diff options
Diffstat (limited to 'drivers/net/wireless')
31 files changed, 0 insertions, 16891 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 3c3ef966c95b..f4ca6fd4a29f 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -741,7 +741,6 @@ config P54_PCI source "drivers/net/wireless/ath5k/Kconfig" source "drivers/net/wireless/iwlwifi/Kconfig" source "drivers/net/wireless/hostap/Kconfig" -source "drivers/net/wireless/bcm43xx/Kconfig" source "drivers/net/wireless/b43/Kconfig" source "drivers/net/wireless/b43legacy/Kconfig" source "drivers/net/wireless/zd1211rw/Kconfig" diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 091dfe2e574e..dd3899747b5c 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -35,7 +35,6 @@ obj-$(CONFIG_PCMCIA_ATMEL) += atmel_cs.o obj-$(CONFIG_PRISM54) += prism54/ obj-$(CONFIG_HOSTAP) += hostap/ -obj-$(CONFIG_BCM43XX) += bcm43xx/ obj-$(CONFIG_B43) += b43/ obj-$(CONFIG_B43LEGACY) += b43legacy/ obj-$(CONFIG_ZD1211RW) += zd1211rw/ diff --git a/drivers/net/wireless/bcm43xx/Kconfig b/drivers/net/wireless/bcm43xx/Kconfig deleted file mode 100644 index afb8f4305c24..000000000000 --- a/drivers/net/wireless/bcm43xx/Kconfig +++ /dev/null @@ -1,70 +0,0 @@ -config BCM43XX - tristate "Broadcom BCM43xx wireless support (DEPRECATED)" - depends on PCI && IEEE80211 && IEEE80211_SOFTMAC && WLAN_80211 && (!SSB_B43_PCI_BRIDGE || SSB != y) && EXPERIMENTAL - select WIRELESS_EXT - select FW_LOADER - select HW_RANDOM - ---help--- - This is an experimental driver for the Broadcom 43xx wireless - chip, found in the Apple Airport Extreme and various other - devices. This driver is deprecated and will be removed - from the kernel in the near future. It has been replaced - by the b43 and b43legacy drivers. - -config BCM43XX_DEBUG - bool "Broadcom BCM43xx debugging (RECOMMENDED)" - depends on BCM43XX - default y - ---help--- - Broadcom 43xx debugging messages. - Say Y, because the driver is still very experimental and - this will help you get it running. - -config BCM43XX_DMA - bool - depends on BCM43XX - -config BCM43XX_PIO - bool - depends on BCM43XX - -choice - prompt "BCM43xx data transfer mode" - depends on BCM43XX - default BCM43XX_DMA_AND_PIO_MODE - -config BCM43XX_DMA_AND_PIO_MODE - bool "DMA + PIO" - select BCM43XX_DMA - select BCM43XX_PIO - ---help--- - Include both, Direct Memory Access (DMA) and Programmed I/O (PIO) - data transfer modes. - The actually used mode is selectable through the module - parameter "pio". If the module parameter is pio=0, DMA is used. - Otherwise PIO is used. DMA is default. - - If unsure, choose this option. - -config BCM43XX_DMA_MODE - bool "DMA (Direct Memory Access) only" - select BCM43XX_DMA - ---help--- - Only include Direct Memory Access (DMA). - This reduces the size of the driver module, by omitting the PIO code. - -config BCM43XX_PIO_MODE - bool "PIO (Programmed I/O) only" - select BCM43XX_PIO - ---help--- - Only include Programmed I/O (PIO). - This reduces the size of the driver module, by omitting the DMA code. - Please note that PIO transfers are slow (compared to DMA). - - Also note that not all devices of the 43xx series support PIO. - The 4306 (Apple Airport Extreme and others) supports PIO, while - the 4318 is known to _not_ support PIO. - - Only use PIO, if DMA does not work for you. - -endchoice diff --git a/drivers/net/wireless/bcm43xx/Makefile b/drivers/net/wireless/bcm43xx/Makefile deleted file mode 100644 index bb5220c629d2..000000000000 --- a/drivers/net/wireless/bcm43xx/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -obj-$(CONFIG_BCM43XX) += bcm43xx.o -bcm43xx-obj-$(CONFIG_BCM43XX_DEBUG) += bcm43xx_debugfs.o - -bcm43xx-obj-$(CONFIG_BCM43XX_DMA) += bcm43xx_dma.o -bcm43xx-obj-$(CONFIG_BCM43XX_PIO) += bcm43xx_pio.o - -bcm43xx-objs := bcm43xx_main.o bcm43xx_ilt.o \ - bcm43xx_radio.o bcm43xx_phy.o \ - bcm43xx_power.o bcm43xx_wx.o \ - bcm43xx_leds.o bcm43xx_ethtool.o \ - bcm43xx_xmit.o bcm43xx_sysfs.o \ - $(bcm43xx-obj-y) diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h deleted file mode 100644 index 2ebd2edf5862..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ /dev/null @@ -1,997 +0,0 @@ -#ifndef BCM43xx_H_ -#define BCM43xx_H_ - -#include <linux/hw_random.h> -#include <linux/version.h> -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/interrupt.h> -#include <linux/stringify.h> -#include <linux/pci.h> -#include <net/ieee80211.h> -#include <net/ieee80211softmac.h> -#include <asm/atomic.h> -#include <asm/io.h> - - -#include "bcm43xx_debugfs.h" -#include "bcm43xx_leds.h" - - -#define PFX KBUILD_MODNAME ": " - -#define BCM43xx_SWITCH_CORE_MAX_RETRIES 50 -#define BCM43xx_IRQWAIT_MAX_RETRIES 100 - -#define BCM43xx_IO_SIZE 8192 - -/* Active Core PCI Configuration Register. */ -#define BCM43xx_PCICFG_ACTIVE_CORE 0x80 -/* SPROM control register. */ -#define BCM43xx_PCICFG_SPROMCTL 0x88 -/* Interrupt Control PCI Configuration Register. (Only on PCI cores with rev >= 6) */ -#define BCM43xx_PCICFG_ICR 0x94 - -/* MMIO offsets */ -#define BCM43xx_MMIO_DMA0_REASON 0x20 -#define BCM43xx_MMIO_DMA0_IRQ_MASK 0x24 -#define BCM43xx_MMIO_DMA1_REASON 0x28 -#define BCM43xx_MMIO_DMA1_IRQ_MASK 0x2C -#define BCM43xx_MMIO_DMA2_REASON 0x30 -#define BCM43xx_MMIO_DMA2_IRQ_MASK 0x34 -#define BCM43xx_MMIO_DMA3_REASON 0x38 -#define BCM43xx_MMIO_DMA3_IRQ_MASK 0x3C -#define BCM43xx_MMIO_DMA4_REASON 0x40 -#define BCM43xx_MMIO_DMA4_IRQ_MASK 0x44 -#define BCM43xx_MMIO_DMA5_REASON 0x48 -#define BCM43xx_MMIO_DMA5_IRQ_MASK 0x4C -#define BCM43xx_MMIO_STATUS_BITFIELD 0x120 -#define BCM43xx_MMIO_STATUS2_BITFIELD 0x124 -#define BCM43xx_MMIO_GEN_IRQ_REASON 0x128 -#define BCM43xx_MMIO_GEN_IRQ_MASK 0x12C -#define BCM43xx_MMIO_RAM_CONTROL 0x130 -#define BCM43xx_MMIO_RAM_DATA 0x134 -#define BCM43xx_MMIO_PS_STATUS 0x140 -#define BCM43xx_MMIO_RADIO_HWENABLED_HI 0x158 -#define BCM43xx_MMIO_SHM_CONTROL 0x160 -#define BCM43xx_MMIO_SHM_DATA 0x164 -#define BCM43xx_MMIO_SHM_DATA_UNALIGNED 0x166 -#define BCM43xx_MMIO_XMITSTAT_0 0x170 -#define BCM43xx_MMIO_XMITSTAT_1 0x174 -#define BCM43xx_MMIO_REV3PLUS_TSF_LOW 0x180 /* core rev >= 3 only */ -#define BCM43xx_MMIO_REV3PLUS_TSF_HIGH 0x184 /* core rev >= 3 only */ - -/* 32-bit DMA */ -#define BCM43xx_MMIO_DMA32_BASE0 0x200 -#define BCM43xx_MMIO_DMA32_BASE1 0x220 -#define BCM43xx_MMIO_DMA32_BASE2 0x240 -#define BCM43xx_MMIO_DMA32_BASE3 0x260 -#define BCM43xx_MMIO_DMA32_BASE4 0x280 -#define BCM43xx_MMIO_DMA32_BASE5 0x2A0 -/* 64-bit DMA */ -#define BCM43xx_MMIO_DMA64_BASE0 0x200 -#define BCM43xx_MMIO_DMA64_BASE1 0x240 -#define BCM43xx_MMIO_DMA64_BASE2 0x280 -#define BCM43xx_MMIO_DMA64_BASE3 0x2C0 -#define BCM43xx_MMIO_DMA64_BASE4 0x300 -#define BCM43xx_MMIO_DMA64_BASE5 0x340 -/* PIO */ -#define BCM43xx_MMIO_PIO1_BASE 0x300 -#define BCM43xx_MMIO_PIO2_BASE 0x310 -#define BCM43xx_MMIO_PIO3_BASE 0x320 -#define BCM43xx_MMIO_PIO4_BASE 0x330 - -#define BCM43xx_MMIO_PHY_VER 0x3E0 -#define BCM43xx_MMIO_PHY_RADIO 0x3E2 -#define BCM43xx_MMIO_ANTENNA 0x3E8 -#define BCM43xx_MMIO_CHANNEL 0x3F0 -#define BCM43xx_MMIO_CHANNEL_EXT 0x3F4 -#define BCM43xx_MMIO_RADIO_CONTROL 0x3F6 -#define BCM43xx_MMIO_RADIO_DATA_HIGH 0x3F8 -#define BCM43xx_MMIO_RADIO_DATA_LOW 0x3FA -#define BCM43xx_MMIO_PHY_CONTROL 0x3FC -#define BCM43xx_MMIO_PHY_DATA 0x3FE -#define BCM43xx_MMIO_MACFILTER_CONTROL 0x420 -#define BCM43xx_MMIO_MACFILTER_DATA 0x422 -#define BCM43xx_MMIO_RADIO_HWENABLED_LO 0x49A -#define BCM43xx_MMIO_GPIO_CONTROL 0x49C -#define BCM43xx_MMIO_GPIO_MASK 0x49E -#define BCM43xx_MMIO_TSF_0 0x632 /* core rev < 3 only */ -#define BCM43xx_MMIO_TSF_1 0x634 /* core rev < 3 only */ -#define BCM43xx_MMIO_TSF_2 0x636 /* core rev < 3 only */ -#define BCM43xx_MMIO_TSF_3 0x638 /* core rev < 3 only */ -#define BCM43xx_MMIO_RNG 0x65A -#define BCM43xx_MMIO_POWERUP_DELAY 0x6A8 - -/* SPROM offsets. */ -#define BCM43xx_SPROM_BASE 0x1000 -#define BCM43xx_SPROM_BOARDFLAGS2 0x1c -#define BCM43xx_SPROM_IL0MACADDR 0x24 -#define BCM43xx_SPROM_ET0MACADDR 0x27 -#define BCM43xx_SPROM_ET1MACADDR 0x2a -#define BCM43xx_SPROM_ETHPHY 0x2d -#define BCM43xx_SPROM_BOARDREV 0x2e -#define BCM43xx_SPROM_PA0B0 0x2f -#define BCM43xx_SPROM_PA0B1 0x30 -#define BCM43xx_SPROM_PA0B2 0x31 -#define BCM43xx_SPROM_WL0GPIO0 0x32 -#define BCM43xx_SPROM_WL0GPIO2 0x33 -#define BCM43xx_SPROM_MAXPWR 0x34 -#define BCM43xx_SPROM_PA1B0 0x35 -#define BCM43xx_SPROM_PA1B1 0x36 -#define BCM43xx_SPROM_PA1B2 0x37 -#define BCM43xx_SPROM_IDL_TSSI_TGT 0x38 -#define BCM43xx_SPROM_BOARDFLAGS 0x39 -#define BCM43xx_SPROM_ANTENNA_GAIN 0x3a -#define BCM43xx_SPROM_VERSION 0x3f - -/* BCM43xx_SPROM_BOARDFLAGS values */ -#define BCM43xx_BFL_BTCOEXIST 0x0001 /* implements Bluetooth coexistance */ -#define BCM43xx_BFL_PACTRL 0x0002 /* GPIO 9 controlling the PA */ -#define BCM43xx_BFL_AIRLINEMODE 0x0004 /* implements GPIO 13 radio disable indication */ -#define BCM43xx_BFL_RSSI 0x0008 /* software calculates nrssi slope. */ -#define BCM43xx_BFL_ENETSPI 0x0010 /* has ephy roboswitch spi */ -#define BCM43xx_BFL_XTAL_NOSLOW 0x0020 /* no slow clock available */ -#define BCM43xx_BFL_CCKHIPWR 0x0040 /* can do high power CCK transmission */ -#define BCM43xx_BFL_ENETADM 0x0080 /* has ADMtek switch */ -#define BCM43xx_BFL_ENETVLAN 0x0100 /* can do vlan */ -#define BCM43xx_BFL_AFTERBURNER 0x0200 /* supports Afterburner mode */ -#define BCM43xx_BFL_NOPCI 0x0400 /* leaves PCI floating */ -#define BCM43xx_BFL_FEM 0x0800 /* supports the Front End Module */ -#define BCM43xx_BFL_EXTLNA 0x1000 /* has an external LNA */ -#define BCM43xx_BFL_HGPA 0x2000 /* had high gain PA */ -#define BCM43xx_BFL_BTCMOD 0x4000 /* BFL_BTCOEXIST is given in alternate GPIOs */ -#define BCM43xx_BFL_ALTIQ 0x8000 /* alternate I/Q settings */ - -/* GPIO register offset, in both ChipCommon and PCI core. */ -#define BCM43xx_GPIO_CONTROL 0x6c - -/* SHM Routing */ -#define BCM43xx_SHM_SHARED 0x0001 -#define BCM43xx_SHM_WIRELESS 0x0002 -#define BCM43xx_SHM_PCM 0x0003 -#define BCM43xx_SHM_HWMAC 0x0004 -#define BCM43xx_SHM_UCODE 0x0300 - -/* MacFilter offsets. */ -#define BCM43xx_MACFILTER_SELF 0x0000 -#define BCM43xx_MACFILTER_ASSOC 0x0003 - -/* Chipcommon registers. */ -#define BCM43xx_CHIPCOMMON_CAPABILITIES 0x04 -#define BCM43xx_CHIPCOMMON_CTL 0x28 -#define BCM43xx_CHIPCOMMON_PLLONDELAY 0xB0 -#define BCM43xx_CHIPCOMMON_FREFSELDELAY 0xB4 -#define BCM43xx_CHIPCOMMON_SLOWCLKCTL 0xB8 -#define BCM43xx_CHIPCOMMON_SYSCLKCTL 0xC0 - -/* PCI core specific registers. */ -#define BCM43xx_PCICORE_BCAST_ADDR 0x50 -#define BCM43xx_PCICORE_BCAST_DATA 0x54 -#define BCM43xx_PCICORE_SBTOPCI2 0x108 - -/* SBTOPCI2 values. */ -#define BCM43xx_SBTOPCI2_PREFETCH 0x4 -#define BCM43xx_SBTOPCI2_BURST 0x8 -#define BCM43xx_SBTOPCI2_MEMREAD_MULTI 0x20 - -/* PCI-E core registers. */ -#define BCM43xx_PCIECORE_REG_ADDR 0x0130 -#define BCM43xx_PCIECORE_REG_DATA 0x0134 -#define BCM43xx_PCIECORE_MDIO_CTL 0x0128 -#define BCM43xx_PCIECORE_MDIO_DATA 0x012C - -/* PCI-E registers. */ -#define BCM43xx_PCIE_TLP_WORKAROUND 0x0004 -#define BCM43xx_PCIE_DLLP_LINKCTL 0x0100 - -/* PCI-E MDIO bits. */ -#define BCM43xx_PCIE_MDIO_ST 0x40000000 -#define BCM43xx_PCIE_MDIO_WT 0x10000000 -#define BCM43xx_PCIE_MDIO_DEV 22 -#define BCM43xx_PCIE_MDIO_REG 18 -#define BCM43xx_PCIE_MDIO_TA 0x00020000 -#define BCM43xx_PCIE_MDIO_TC 0x0100 - -/* MDIO devices. */ -#define BCM43xx_MDIO_SERDES_RX 0x1F - -/* SERDES RX registers. */ -#define BCM43xx_SERDES_RXTIMER 0x2 -#define BCM43xx_SERDES_CDR 0x6 -#define BCM43xx_SERDES_CDR_BW 0x7 - -/* Chipcommon capabilities. */ -#define BCM43xx_CAPABILITIES_PCTL 0x00040000 -#define BCM43xx_CAPABILITIES_PLLMASK 0x00030000 -#define BCM43xx_CAPABILITIES_PLLSHIFT 16 -#define BCM43xx_CAPABILITIES_FLASHMASK 0x00000700 -#define BCM43xx_CAPABILITIES_FLASHSHIFT 8 -#define BCM43xx_CAPABILITIES_EXTBUSPRESENT 0x00000040 -#define BCM43xx_CAPABILITIES_UARTGPIO 0x00000020 -#define BCM43xx_CAPABILITIES_UARTCLOCKMASK 0x00000018 -#define BCM43xx_CAPABILITIES_UARTCLOCKSHIFT 3 -#define BCM43xx_CAPABILITIES_MIPSBIGENDIAN 0x00000004 -#define BCM43xx_CAPABILITIES_NRUARTSMASK 0x00000003 - -/* PowerControl */ -#define BCM43xx_PCTL_IN 0xB0 -#define BCM43xx_PCTL_OUT 0xB4 -#define BCM43xx_PCTL_OUTENABLE 0xB8 -#define BCM43xx_PCTL_XTAL_POWERUP 0x40 -#define BCM43xx_PCTL_PLL_POWERDOWN 0x80 - -/* PowerControl Clock Modes */ -#define BCM43xx_PCTL_CLK_FAST 0x00 -#define BCM43xx_PCTL_CLK_SLOW 0x01 -#define BCM43xx_PCTL_CLK_DYNAMIC 0x02 - -#define BCM43xx_PCTL_FORCE_SLOW 0x0800 -#define BCM43xx_PCTL_FORCE_PLL 0x1000 -#define BCM43xx_PCTL_DYN_XTAL 0x2000 - -/* COREIDs */ -#define BCM43xx_COREID_CHIPCOMMON 0x800 -#define BCM43xx_COREID_ILINE20 0x801 -#define BCM43xx_COREID_SDRAM 0x803 -#define BCM43xx_COREID_PCI 0x804 -#define BCM43xx_COREID_MIPS 0x805 -#define BCM43xx_COREID_ETHERNET 0x806 -#define BCM43xx_COREID_V90 0x807 -#define BCM43xx_COREID_USB11_HOSTDEV 0x80a -#define BCM43xx_COREID_IPSEC 0x80b -#define BCM43xx_COREID_PCMCIA 0x80d -#define BCM43xx_COREID_EXT_IF 0x80f -#define BCM43xx_COREID_80211 0x812 -#define BCM43xx_COREID_MIPS_3302 0x816 -#define BCM43xx_COREID_USB11_HOST 0x817 -#define BCM43xx_COREID_USB11_DEV 0x818 -#define BCM43xx_COREID_USB20_HOST 0x819 -#define BCM43xx_COREID_USB20_DEV 0x81a -#define BCM43xx_COREID_SDIO_HOST 0x81b -#define BCM43xx_COREID_PCIE 0x820 - -/* Core Information Registers */ -#define BCM43xx_CIR_BASE 0xf00 -#define BCM43xx_CIR_SBTPSFLAG (BCM43xx_CIR_BASE + 0x18) -#define BCM43xx_CIR_SBIMSTATE (BCM43xx_CIR_BASE + 0x90) -#define BCM43xx_CIR_SBINTVEC (BCM43xx_CIR_BASE + 0x94) -#define BCM43xx_CIR_SBTMSTATELOW (BCM43xx_CIR_BASE + 0x98) -#define BCM43xx_CIR_SBTMSTATEHIGH (BCM43xx_CIR_BASE + 0x9c) -#define BCM43xx_CIR_SBIMCONFIGLOW (BCM43xx_CIR_BASE + 0xa8) -#define BCM43xx_CIR_SB_ID_HI (BCM43xx_CIR_BASE + 0xfc) - -/* Mask to get the Backplane Flag Number from SBTPSFLAG. */ -#define BCM43xx_BACKPLANE_FLAG_NR_MASK 0x3f - -/* SBIMCONFIGLOW values/masks. */ -#define BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK 0x00000007 -#define BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT 0 -#define BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK 0x00000070 -#define BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT 4 -#define BCM43xx_SBIMCONFIGLOW_CONNID_MASK 0x00ff0000 -#define BCM43xx_SBIMCONFIGLOW_CONNID_SHIFT 16 - -/* sbtmstatelow state flags */ -#define BCM43xx_SBTMSTATELOW_RESET 0x01 -#define BCM43xx_SBTMSTATELOW_REJECT 0x02 -#define BCM43xx_SBTMSTATELOW_CLOCK 0x10000 -#define BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK 0x20000 -#define BCM43xx_SBTMSTATELOW_G_MODE_ENABLE 0x20000000 - -/* sbtmstatehigh state flags */ -#define BCM43xx_SBTMSTATEHIGH_SERROR 0x00000001 -#define BCM43xx_SBTMSTATEHIGH_BUSY 0x00000004 -#define BCM43xx_SBTMSTATEHIGH_TIMEOUT 0x00000020 -#define BCM43xx_SBTMSTATEHIGH_G_PHY_AVAIL 0x00010000 -#define BCM43xx_SBTMSTATEHIGH_A_PHY_AVAIL 0x00020000 -#define BCM43xx_SBTMSTATEHIGH_COREFLAGS 0x1FFF0000 -#define BCM43xx_SBTMSTATEHIGH_DMA64BIT 0x10000000 -#define BCM43xx_SBTMSTATEHIGH_GATEDCLK 0x20000000 -#define BCM43xx_SBTMSTATEHIGH_BISTFAILED 0x40000000 -#define BCM43xx_SBTMSTATEHIGH_BISTCOMPLETE 0x80000000 - -/* sbimstate flags */ -#define BCM43xx_SBIMSTATE_IB_ERROR 0x20000 -#define BCM43xx_SBIMSTATE_TIMEOUT 0x40000 - -/* PHYVersioning */ -#define BCM43xx_PHYTYPE_A 0x00 -#define BCM43xx_PHYTYPE_B 0x01 -#define BCM43xx_PHYTYPE_G 0x02 - -/* PHYRegisters */ -#define BCM43xx_PHY_ILT_A_CTRL 0x0072 -#define BCM43xx_PHY_ILT_A_DATA1 0x0073 -#define BCM43xx_PHY_ILT_A_DATA2 0x0074 -#define BCM43xx_PHY_G_LO_CONTROL 0x0810 -#define BCM43xx_PHY_ILT_G_CTRL 0x0472 -#define BCM43xx_PHY_ILT_G_DATA1 0x0473 -#define BCM43xx_PHY_ILT_G_DATA2 0x0474 -#define BCM43xx_PHY_A_PCTL 0x007B -#define BCM43xx_PHY_G_PCTL 0x0029 -#define BCM43xx_PHY_A_CRS 0x0029 -#define BCM43xx_PHY_RADIO_BITFIELD 0x0401 -#define BCM43xx_PHY_G_CRS 0x0429 -#define BCM43xx_PHY_NRSSILT_CTRL 0x0803 -#define BCM43xx_PHY_NRSSILT_DATA 0x0804 - -/* RadioRegisters */ -#define BCM43xx_RADIOCTL_ID 0x01 - -/* StatusBitField */ -#define BCM43xx_SBF_MAC_ENABLED 0x00000001 -#define BCM43xx_SBF_2 0x00000002 /*FIXME: fix name*/ -#define BCM43xx_SBF_CORE_READY 0x00000004 -#define BCM43xx_SBF_400 0x00000400 /*FIXME: fix name*/ -#define BCM43xx_SBF_4000 0x00004000 /*FIXME: fix name*/ -#define BCM43xx_SBF_8000 0x00008000 /*FIXME: fix name*/ -#define BCM43xx_SBF_XFER_REG_BYTESWAP 0x00010000 -#define BCM43xx_SBF_MODE_NOTADHOC 0x00020000 -#define BCM43xx_SBF_MODE_AP 0x00040000 -#define BCM43xx_SBF_RADIOREG_LOCK 0x00080000 -#define BCM43xx_SBF_MODE_MONITOR 0x00400000 -#define BCM43xx_SBF_MODE_PROMISC 0x01000000 -#define BCM43xx_SBF_PS1 0x02000000 -#define BCM43xx_SBF_PS2 0x04000000 -#define BCM43xx_SBF_NO_SSID_BCAST 0x08000000 -#define BCM43xx_SBF_TIME_UPDATE 0x10000000 -#define BCM43xx_SBF_MODE_G 0x80000000 - -/* Microcode */ -#define BCM43xx_UCODE_REVISION 0x0000 -#define BCM43xx_UCODE_PATCHLEVEL 0x0002 -#define BCM43xx_UCODE_DATE 0x0004 -#define BCM43xx_UCODE_TIME 0x0006 -#define BCM43xx_UCODE_STATUS 0x0040 - -/* MicrocodeFlagsBitfield (addr + lo-word values?)*/ -#define BCM43xx_UCODEFLAGS_OFFSET 0x005E - -#define BCM43xx_UCODEFLAG_AUTODIV 0x0001 -#define BCM43xx_UCODEFLAG_UNKBGPHY 0x0002 -#define BCM43xx_UCODEFLAG_UNKBPHY 0x0004 -#define BCM43xx_UCODEFLAG_UNKGPHY 0x0020 -#define BCM43xx_UCODEFLAG_UNKPACTRL 0x0040 -#define BCM43xx_UCODEFLAG_JAPAN 0x0080 - -/* Hardware Radio Enable masks */ -#define BCM43xx_MMIO_RADIO_HWENABLED_HI_MASK (1 << 16) -#define BCM43xx_MMIO_RADIO_HWENABLED_LO_MASK (1 << 4) - -/* Generic-Interrupt reasons. */ -#define BCM43xx_IRQ_READY (1 << 0) -#define BCM43xx_IRQ_BEACON (1 << 1) -#define BCM43xx_IRQ_PS (1 << 2) -#define BCM43xx_IRQ_REG124 (1 << 5) -#define BCM43xx_IRQ_PMQ (1 << 6) -#define BCM43xx_IRQ_PIO_WORKAROUND (1 << 8) -#define BCM43xx_IRQ_XMIT_ERROR (1 << 11) -#define BCM43xx_IRQ_RX (1 << 15) -#define BCM43xx_IRQ_SCAN (1 << 16) -#define BCM43xx_IRQ_NOISE (1 << 18) -#define BCM43xx_IRQ_XMIT_STATUS (1 << 29) - -#define BCM43xx_IRQ_ALL 0xffffffff -#define BCM43xx_IRQ_INITIAL (BCM43xx_IRQ_PS | \ - BCM43xx_IRQ_REG124 | \ - BCM43xx_IRQ_PMQ | \ - BCM43xx_IRQ_XMIT_ERROR | \ - BCM43xx_IRQ_RX | \ - BCM43xx_IRQ_SCAN | \ - BCM43xx_IRQ_NOISE | \ - BCM43xx_IRQ_XMIT_STATUS) - - -/* Initial default iw_mode */ -#define BCM43xx_INITIAL_IWMODE IW_MODE_INFRA - -/* Bus type PCI. */ -#define BCM43xx_BUSTYPE_PCI 0 -/* Bus type Silicone Backplane Bus. */ -#define BCM43xx_BUSTYPE_SB 1 -/* Bus type PCMCIA. */ -#define BCM43xx_BUSTYPE_PCMCIA 2 - -/* Threshold values. */ -#define BCM43xx_MIN_RTS_THRESHOLD 1U -#define BCM43xx_MAX_RTS_THRESHOLD 2304U -#define BCM43xx_DEFAULT_RTS_THRESHOLD BCM43xx_MAX_RTS_THRESHOLD - -#define BCM43xx_DEFAULT_SHORT_RETRY_LIMIT 7 -#define BCM43xx_DEFAULT_LONG_RETRY_LIMIT 4 - -/* FIXME: the next line is a guess as to what the maximum RSSI value might be */ -#define RX_RSSI_MAX 60 - -/* Max size of a security key */ -#define BCM43xx_SEC_KEYSIZE 16 -/* Security algorithms. */ -enum { - BCM43xx_SEC_ALGO_NONE = 0, /* unencrypted, as of TX header. */ - BCM43xx_SEC_ALGO_WEP, - BCM43xx_SEC_ALGO_UNKNOWN, - BCM43xx_SEC_ALGO_AES, - BCM43xx_SEC_ALGO_WEP104, - BCM43xx_SEC_ALGO_TKIP, -}; - -#ifdef assert -# undef assert -#endif -#ifdef CONFIG_BCM43XX_DEBUG -#define assert(expr) \ - do { \ - if (unlikely(!(expr))) { \ - printk(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", \ - #expr, __FILE__, __LINE__, __FUNCTION__); \ - } \ - } while (0) -#else -#define assert(expr) do { /* nothing */ } while (0) -#endif - -/* rate limited printk(). */ -#ifdef printkl -# undef printkl -#endif -#define printkl(f, x...) do { if (printk_ratelimit()) printk(f ,##x); } while (0) -/* rate limited printk() for debugging */ -#ifdef dprintkl -# undef dprintkl -#endif -#ifdef CONFIG_BCM43XX_DEBUG -# define dprintkl printkl -#else -# define dprintkl(f, x...) do { /* nothing */ } while (0) -#endif - -/* Helper macro for if branches. - * An if branch marked with this macro is only taken in DEBUG mode. - * Example: - * if (DEBUG_ONLY(foo == bar)) { - * do something - * } - * In DEBUG mode, the branch will be taken if (foo == bar). - * In non-DEBUG mode, the branch will never be taken. - */ -#ifdef DEBUG_ONLY -# undef DEBUG_ONLY -#endif -#ifdef CONFIG_BCM43XX_DEBUG -# define DEBUG_ONLY(x) (x) -#else -# define DEBUG_ONLY(x) 0 -#endif - -/* debugging printk() */ -#ifdef dprintk -# undef dprintk -#endif -#ifdef CONFIG_BCM43XX_DEBUG -# define dprintk(f, x...) do { printk(f ,##x); } while (0) -#else -# define dprintk(f, x...) do { /* nothing */ } while (0) -#endif - - -struct net_device; -struct pci_dev; -struct bcm43xx_dmaring; -struct bcm43xx_pioqueue; - -struct bcm43xx_initval { - __be16 offset; - __be16 size; - __be32 value; -} __attribute__((__packed__)); - -/* Values for bcm430x_sprominfo.locale */ -enum { - BCM43xx_LOCALE_WORLD = 0, - BCM43xx_LOCALE_THAILAND, - BCM43xx_LOCALE_ISRAEL, - BCM43xx_LOCALE_JORDAN, - BCM43xx_LOCALE_CHINA, - BCM43xx_LOCALE_JAPAN, - BCM43xx_LOCALE_USA_CANADA_ANZ, - BCM43xx_LOCALE_EUROPE, - BCM43xx_LOCALE_USA_LOW, - BCM43xx_LOCALE_JAPAN_HIGH, - BCM43xx_LOCALE_ALL, - BCM43xx_LOCALE_NONE, -}; - -#define BCM43xx_SPROM_SIZE 64 /* in 16-bit words. */ -struct bcm43xx_sprominfo { - u16 boardflags2; - u8 il0macaddr[6]; - u8 et0macaddr[6]; - u8 et1macaddr[6]; - u8 et0phyaddr:5; - u8 et1phyaddr:5; - u8 boardrev; - u8 locale:4; - u8 antennas_aphy:2; - u8 antennas_bgphy:2; - u16 pa0b0; - u16 pa0b1; - u16 pa0b2; - u8 wl0gpio0; - u8 wl0gpio1; - u8 wl0gpio2; - u8 wl0gpio3; - u8 maxpower_aphy; - u8 maxpower_bgphy; - u16 pa1b0; - u16 pa1b1; - u16 pa1b2; - u8 idle_tssi_tgt_aphy; - u8 idle_tssi_tgt_bgphy; - u16 boardflags; - u16 antennagain_aphy; - u16 antennagain_bgphy; -}; - -/* Value pair to measure the LocalOscillator. */ -struct bcm43xx_lopair { - s8 low; - s8 high; - u8 used:1; -}; -#define BCM43xx_LO_COUNT (14*4) - -struct bcm43xx_phyinfo { - /* Hardware Data */ - u8 analog; - u8 type; - u8 rev; - u16 antenna_diversity; - u16 savedpctlreg; - u16 minlowsig[2]; - u16 minlowsigpos[2]; - u8 connected:1, - calibrated:1, - is_locked:1, /* used in bcm43xx_phy_{un}lock() */ - dyn_tssi_tbl:1; /* used in bcm43xx_phy_init_tssi2dbm_table() */ - /* LO Measurement Data. - * Use bcm43xx_get_lopair() to get a value. - */ - struct bcm43xx_lopair *_lo_pairs; - - /* TSSI to dBm table in use */ - const s8 *tssi2dbm; - /* idle TSSI value */ - s8 idle_tssi; - - /* Values from bcm43xx_calc_loopback_gain() */ - u16 loopback_gain[2]; - - /* PHY lock for core.rev < 3 - * This lock is only used by bcm43xx_phy_{un}lock() - */ - spinlock_t lock; - - /* Firmware. */ - const struct firmware *ucode; - const struct firmware *pcm; - const struct firmware *initvals0; - const struct firmware *initvals1; -}; - - -struct bcm43xx_radioinfo { - u16 manufact; - u16 version; - u8 revision; - - /* Desired TX power in dBm Q5.2 */ - u16 txpower_desired; - /* TX Power control values. */ - union { - /* B/G PHY */ - struct { - u16 baseband_atten; - u16 radio_atten; - u16 txctl1; - u16 txctl2; - }; - /* A PHY */ - struct { - u16 txpwr_offset; - }; - }; - - /* Current Interference Mitigation mode */ - int interfmode; - /* Stack of saved values from the Interference Mitigation code. - * Each value in the stack is layed out as follows: - * bit 0-11: offset - * bit 12-15: register ID - * bit 16-32: value - * register ID is: 0x1 PHY, 0x2 Radio, 0x3 ILT - */ -#define BCM43xx_INTERFSTACK_SIZE 26 - u32 interfstack[BCM43xx_INTERFSTACK_SIZE]; - - /* Saved values from the NRSSI Slope calculation */ - s16 nrssi[2]; - s32 nrssislope; - /* In memory nrssi lookup table. */ - s8 nrssi_lt[64]; - - /* current channel */ - u8 channel; - u8 initial_channel; - - u16 lofcal; - - u16 initval; - - u8 enabled:1; - /* ACI (adjacent channel interference) flags. */ - u8 aci_enable:1, - aci_wlan_automatic:1, - aci_hw_rssi:1; -}; - -/* Data structures for DMA transmission, per 80211 core. */ -struct bcm43xx_dma { - struct bcm43xx_dmaring *tx_ring0; - struct bcm43xx_dmaring *tx_ring1; - struct bcm43xx_dmaring *tx_ring2; - struct bcm43xx_dmaring *tx_ring3; - struct bcm43xx_dmaring *tx_ring4; - struct bcm43xx_dmaring *tx_ring5; - - struct bcm43xx_dmaring *rx_ring0; - struct bcm43xx_dmaring *rx_ring3; /* only available on core.rev < 5 */ -}; - -/* Data structures for PIO transmission, per 80211 core. */ -struct bcm43xx_pio { - struct bcm43xx_pioqueue *queue0; - struct bcm43xx_pioqueue *queue1; - struct bcm43xx_pioqueue *queue2; - struct bcm43xx_pioqueue *queue3; -}; - -#define BCM43xx_MAX_80211_CORES 2 - -/* Generic information about a core. */ -struct bcm43xx_coreinfo { - u8 available:1, - enabled:1, - initialized:1; - /** core_rev revision number */ - u8 rev; - /** Index number for _switch_core() */ - u8 index; - /** core_id ID number */ - u16 id; - /** Core-specific data. */ - void *priv; -}; - -/* Additional information for each 80211 core. */ -struct bcm43xx_coreinfo_80211 { - /* PHY device. */ - struct bcm43xx_phyinfo phy; - /* Radio device. */ - struct bcm43xx_radioinfo radio; - union { - /* DMA context. */ - struct bcm43xx_dma dma; - /* PIO context. */ - struct bcm43xx_pio pio; - }; -}; - -/* Context information for a noise calculation (Link Quality). */ -struct bcm43xx_noise_calculation { - struct bcm43xx_coreinfo *core_at_start; - u8 channel_at_start; - u8 calculation_running:1; - u8 nr_samples; - s8 samples[8][4]; -}; - -struct bcm43xx_stats { - u8 noise; - struct iw_statistics wstats; - /* Store the last TX/RX times here for updating the leds. */ - unsigned long last_tx; - unsigned long last_rx; -}; - -struct bcm43xx_key { - u8 enabled:1; - u8 algorithm; -}; - -/* Driver initialization status. */ -enum { - BCM43xx_STAT_UNINIT, /* Uninitialized. */ - BCM43xx_STAT_INITIALIZING, /* init_board() in progress. */ - BCM43xx_STAT_INITIALIZED, /* Fully operational. */ - BCM43xx_STAT_SHUTTINGDOWN, /* free_board() in progress. */ - BCM43xx_STAT_RESTARTING, /* controller_restart() called. */ -}; -#define bcm43xx_status(bcm) atomic_read(&(bcm)->init_status) -#define bcm43xx_set_status(bcm, stat) do { \ - atomic_set(&(bcm)->init_status, (stat)); \ - smp_wmb(); \ - } while (0) - -/* *** THEORY OF LOCKING *** - * - * We have two different locks in the bcm43xx driver. - * => bcm->mutex: General sleeping mutex. Protects struct bcm43xx_private - * and the device registers. This mutex does _not_ protect - * against concurrency from the IRQ handler. - * => bcm->irq_lock: IRQ spinlock. Protects against IRQ handler concurrency. - * - * Please note that, if you only take the irq_lock, you are not protected - * against concurrency from the periodic work handlers. - * Most times you want to take _both_ locks. - */ - -struct bcm43xx_private { - struct ieee80211_device *ieee; - struct ieee80211softmac_device *softmac; - - struct net_device *net_dev; - struct pci_dev *pci_dev; - unsigned int irq; - - void __iomem *mmio_addr; - - spinlock_t irq_lock; - struct mutex mutex; - - /* Driver initialization status BCM43xx_STAT_*** */ - atomic_t init_status; - - u16 was_initialized:1, /* for PCI suspend/resume. */ - __using_pio:1, /* Internal, use bcm43xx_using_pio(). */ - bad_frames_preempt:1, /* Use "Bad Frames Preemption" (default off) */ - reg124_set_0x4:1, /* Some variable to keep track of IRQ stuff. */ - short_preamble:1, /* TRUE, if short preamble is enabled. */ - firmware_norelease:1, /* Do not release the firmware. Used on suspend. */ - radio_hw_enable:1; /* TRUE if radio is hardware enabled */ - - struct bcm43xx_stats stats; - - /* Bus type we are connected to. - * This is currently always BCM43xx_BUSTYPE_PCI - */ - u8 bustype; - u64 dma_mask; - - u16 board_vendor; - u16 board_type; - u16 board_revision; - - u16 chip_id; - u8 chip_rev; - u8 chip_package; - - struct bcm43xx_sprominfo sprom; -#define BCM43xx_NR_LEDS 4 - struct bcm43xx_led leds[BCM43xx_NR_LEDS]; - spinlock_t leds_lock; - - /* The currently active core. */ - struct bcm43xx_coreinfo *current_core; - struct bcm43xx_coreinfo *active_80211_core; - /* coreinfo structs for all possible cores follow. - * Note that a core might not exist. - * So check the coreinfo flags before using it. - */ - struct bcm43xx_coreinfo core_chipcommon; - struct bcm43xx_coreinfo core_pci; - struct bcm43xx_coreinfo core_80211[ BCM43xx_MAX_80211_CORES ]; - /* Additional information, specific to the 80211 cores. */ - struct bcm43xx_coreinfo_80211 core_80211_ext[ BCM43xx_MAX_80211_CORES ]; - /* Number of available 80211 cores. */ - int nr_80211_available; - - u32 chipcommon_capabilities; - - /* Reason code of the last interrupt. */ - u32 irq_reason; - u32 dma_reason[6]; - /* saved irq enable/disable state bitfield. */ - u32 irq_savedstate; - /* Link Quality calculation context. */ - struct bcm43xx_noise_calculation noisecalc; - /* if > 0 MAC is suspended. if == 0 MAC is enabled. */ - int mac_suspended; - - /* Threshold values. */ - //TODO: The RTS thr has to be _used_. Currently, it is only set via WX. - u32 rts_threshold; - - /* Interrupt Service Routine tasklet (bottom-half) */ - struct tasklet_struct isr_tasklet; - - /* Periodic tasks */ - struct delayed_work periodic_work; - unsigned int periodic_state; - - struct work_struct restart_work; - - /* Informational stuff. */ - char nick[IW_ESSID_MAX_SIZE + 1]; - - /* encryption/decryption */ - u16 security_offset; - struct bcm43xx_key key[54]; - u8 default_key_idx; - - /* Random Number Generator. */ - struct hwrng rng; - char rng_name[20 + 1]; - - /* Debugging stuff follows. */ -#ifdef CONFIG_BCM43XX_DEBUG - struct bcm43xx_dfsentry *dfsentry; -#endif -}; - - -static inline -struct bcm43xx_private * bcm43xx_priv(struct net_device *dev) -{ - return ieee80211softmac_priv(dev); -} - -struct device; - -static inline -struct bcm43xx_private * dev_to_bcm(struct device *dev) -{ - struct net_device *net_dev; - struct bcm43xx_private *bcm; - - net_dev = dev_get_drvdata(dev); - bcm = bcm43xx_priv(net_dev); - - return bcm; -} - - -/* Helper function, which returns a boolean. - * TRUE, if PIO is used; FALSE, if DMA is used. - */ -#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO) -static inline -int bcm43xx_using_pio(struct bcm43xx_private *bcm) -{ - return bcm->__using_pio; -} -#elif defined(CONFIG_BCM43XX_DMA) -static inline -int bcm43xx_using_pio(struct bcm43xx_private *bcm) -{ - return 0; -} -#elif defined(CONFIG_BCM43XX_PIO) -static inline -int bcm43xx_using_pio(struct bcm43xx_private *bcm) -{ - return 1; -} -#else -# error "Using neither DMA nor PIO? Confused..." -#endif - -/* Helper functions to access data structures private to the 80211 cores. - * Note that we _must_ have an 80211 core mapped when calling - * any of these functions. - */ -static inline -struct bcm43xx_coreinfo_80211 * -bcm43xx_current_80211_priv(struct bcm43xx_private *bcm) -{ - assert(bcm->current_core->id == BCM43xx_COREID_80211); - return bcm->current_core->priv; -} -static inline -struct bcm43xx_pio * bcm43xx_current_pio(struct bcm43xx_private *bcm) -{ - assert(bcm43xx_using_pio(bcm)); - return &(bcm43xx_current_80211_priv(bcm)->pio); -} -static inline -struct bcm43xx_dma * bcm43xx_current_dma(struct bcm43xx_private *bcm) -{ - assert(!bcm43xx_using_pio(bcm)); - return &(bcm43xx_current_80211_priv(bcm)->dma); -} -static inline -struct bcm43xx_phyinfo * bcm43xx_current_phy(struct bcm43xx_private *bcm) -{ - return &(bcm43xx_current_80211_priv(bcm)->phy); -} -static inline -struct bcm43xx_radioinfo * bcm43xx_current_radio(struct bcm43xx_private *bcm) -{ - return &(bcm43xx_current_80211_priv(bcm)->radio); -} - - -static inline -struct bcm43xx_lopair * bcm43xx_get_lopair(struct bcm43xx_phyinfo *phy, - u16 radio_attenuation, - u16 baseband_attenuation) -{ - return phy->_lo_pairs + (radio_attenuation + 14 * (baseband_attenuation / 2)); -} - - -static inline -u16 bcm43xx_read16(struct bcm43xx_private *bcm, u16 offset) -{ - return ioread16(bcm->mmio_addr + offset); -} - -static inline -void bcm43xx_write16(struct bcm43xx_private *bcm, u16 offset, u16 value) -{ - iowrite16(value, bcm->mmio_addr + offset); -} - -static inline -u32 bcm43xx_read32(struct bcm43xx_private *bcm, u16 offset) -{ - return ioread32(bcm->mmio_addr + offset); -} - -static inline -void bcm43xx_write32(struct bcm43xx_private *bcm, u16 offset, u32 value) -{ - iowrite32(value, bcm->mmio_addr + offset); -} - -static inline -int bcm43xx_pci_read_config16(struct bcm43xx_private *bcm, int offset, u16 *value) -{ - return pci_read_config_word(bcm->pci_dev, offset, value); -} - -static inline -int bcm43xx_pci_read_config32(struct bcm43xx_private *bcm, int offset, u32 *value) -{ - return pci_read_config_dword(bcm->pci_dev, offset, value); -} - -static inline -int bcm43xx_pci_write_config16(struct bcm43xx_private *bcm, int offset, u16 value) -{ - return pci_write_config_word(bcm->pci_dev, offset, value); -} - -static inline -int bcm43xx_pci_write_config32(struct bcm43xx_private *bcm, int offset, u32 value) -{ - return pci_write_config_dword(bcm->pci_dev, offset, value); -} - -/** Limit a value between two limits */ -#ifdef limit_value -# undef limit_value -#endif -#define limit_value(value, min, max) \ - ({ \ - typeof(value) __value = (value); \ - typeof(value) __min = (min); \ - typeof(value) __max = (max); \ - if (__value < __min) \ - __value = __min; \ - else if (__value > __max) \ - __value = __max; \ - __value; \ - }) - -#endif /* BCM43xx_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c deleted file mode 100644 index 76e9dd843faa..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c +++ /dev/null @@ -1,556 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - debugfs driver debugging code - - Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - - - -#include <linux/fs.h> -#include <linux/debugfs.h> -#include <linux/slab.h> -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <asm/io.h> - -#include "bcm43xx.h" -#include "bcm43xx_main.h" -#include "bcm43xx_debugfs.h" -#include "bcm43xx_dma.h" -#include "bcm43xx_pio.h" -#include "bcm43xx_xmit.h" - -#define REALLY_BIG_BUFFER_SIZE (1024*256) - -static struct bcm43xx_debugfs fs; -static char really_big_buffer[REALLY_BIG_BUFFER_SIZE]; -static DECLARE_MUTEX(big_buffer_sem); - - -static ssize_t write_file_dummy(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - return count; -} - -static int open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -#define fappend(fmt, x...) pos += snprintf(buf + pos, len - pos, fmt , ##x) - -static ssize_t devinfo_read_file(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - const size_t len = REALLY_BIG_BUFFER_SIZE; - - struct bcm43xx_private *bcm = file->private_data; - char *buf = really_big_buffer; - size_t pos = 0; - ssize_t res; - struct net_device *net_dev; - struct pci_dev *pci_dev; - unsigned long flags; - u16 tmp16; - int i; - - down(&big_buffer_sem); - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { - fappend("Board not initialized.\n"); - goto out; - } - net_dev = bcm->net_dev; - pci_dev = bcm->pci_dev; - - /* This is where the information is written to the "devinfo" file */ - fappend("*** %s devinfo ***\n", net_dev->name); - fappend("vendor: 0x%04x device: 0x%04x\n", - pci_dev->vendor, pci_dev->device); - fappend("subsystem_vendor: 0x%04x subsystem_device: 0x%04x\n", - pci_dev->subsystem_vendor, pci_dev->subsystem_device); - fappend("IRQ: %d\n", bcm->irq); - fappend("mmio_addr: 0x%p\n", bcm->mmio_addr); - fappend("chip_id: 0x%04x chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev); - if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16))) - fappend("Radio disabled by hardware!\n"); - if ((bcm->core_80211[0].rev < 3) && !(bcm43xx_read16(bcm, 0x049A) & (1 << 4))) - fappend("Radio disabled by hardware!\n"); - fappend("board_vendor: 0x%04x board_type: 0x%04x\n", bcm->board_vendor, - bcm->board_type); - - fappend("\nCores:\n"); -#define fappend_core(name, info) fappend("core \"" name "\" %s, %s, id: 0x%04x, " \ - "rev: 0x%02x, index: 0x%02x\n", \ - (info).available \ - ? "available" : "nonavailable", \ - (info).enabled \ - ? "enabled" : "disabled", \ - (info).id, (info).rev, (info).index) - fappend_core("CHIPCOMMON", bcm->core_chipcommon); - fappend_core("PCI", bcm->core_pci); - fappend_core("first 80211", bcm->core_80211[0]); - fappend_core("second 80211", bcm->core_80211[1]); -#undef fappend_core - tmp16 = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); - fappend("LEDs: "); - for (i = 0; i < BCM43xx_NR_LEDS; i++) - fappend("%d ", !!(tmp16 & (1 << i))); - fappend("\n"); - -out: - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - up(&big_buffer_sem); - return res; -} - -static ssize_t drvinfo_read_file(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - const size_t len = REALLY_BIG_BUFFER_SIZE; - - char *buf = really_big_buffer; - size_t pos = 0; - ssize_t res; - - down(&big_buffer_sem); - - /* This is where the information is written to the "driver" file */ - fappend(KBUILD_MODNAME " driver\n"); - fappend("Compiled at: %s %s\n", __DATE__, __TIME__); - - res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - up(&big_buffer_sem); - return res; -} - -static ssize_t spromdump_read_file(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - const size_t len = REALLY_BIG_BUFFER_SIZE; - - struct bcm43xx_private *bcm = file->private_data; - char *buf = really_big_buffer; - size_t pos = 0; - ssize_t res; - unsigned long flags; - - down(&big_buffer_sem); - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { - fappend("Board not initialized.\n"); - goto out; - } - - /* This is where the information is written to the "sprom_dump" file */ - fappend("boardflags: 0x%04x\n", bcm->sprom.boardflags); - -out: - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - up(&big_buffer_sem); - return res; -} - -static ssize_t tsf_read_file(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - const size_t len = REALLY_BIG_BUFFER_SIZE; - - struct bcm43xx_private *bcm = file->private_data; - char *buf = really_big_buffer; - size_t pos = 0; - ssize_t res; - unsigned long flags; - u64 tsf; - - down(&big_buffer_sem); - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { - fappend("Board not initialized.\n"); - goto out; - } - bcm43xx_tsf_read(bcm, &tsf); - fappend("0x%08x%08x\n", - (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32), - (unsigned int)(tsf & 0xFFFFFFFFULL)); - -out: - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - up(&big_buffer_sem); - return res; -} - -static ssize_t tsf_write_file(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct bcm43xx_private *bcm = file->private_data; - char *buf = really_big_buffer; - ssize_t buf_size; - ssize_t res; - unsigned long flags; - unsigned long long tsf; - - buf_size = min(count, sizeof (really_big_buffer) - 1); - down(&big_buffer_sem); - if (copy_from_user(buf, user_buf, buf_size)) { - res = -EFAULT; - goto out_up; - } - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { - printk(KERN_INFO PFX "debugfs: Board not initialized.\n"); - res = -EFAULT; - goto out_unlock; - } - if (sscanf(buf, "%lli", &tsf) != 1) { - printk(KERN_INFO PFX "debugfs: invalid values for \"tsf\"\n"); - res = -EINVAL; - goto out_unlock; - } - bcm43xx_tsf_write(bcm, tsf); - mmiowb(); - res = buf_size; - -out_unlock: - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); -out_up: - up(&big_buffer_sem); - return res; -} - -static ssize_t txstat_read_file(struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - const size_t len = REALLY_BIG_BUFFER_SIZE; - - struct bcm43xx_private *bcm = file->private_data; - char *buf = really_big_buffer; - size_t pos = 0; - ssize_t res; - unsigned long flags; - struct bcm43xx_dfsentry *e; - struct bcm43xx_xmitstatus *status; - int i, cnt, j = 0; - - down(&big_buffer_sem); - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - - fappend("Last %d logged xmitstatus blobs (Latest first):\n\n", - BCM43xx_NR_LOGGED_XMITSTATUS); - e = bcm->dfsentry; - if (e->xmitstatus_printing == 0) { - /* At the beginning, make a copy of all data to avoid - * concurrency, as this function is called multiple - * times for big logs. Without copying, the data might - * change between reads. This would result in total trash. - */ - e->xmitstatus_printing = 1; - e->saved_xmitstatus_ptr = e->xmitstatus_ptr; - e->saved_xmitstatus_cnt = e->xmitstatus_cnt; - memcpy(e->xmitstatus_print_buffer, e->xmitstatus_buffer, - BCM43xx_NR_LOGGED_XMITSTATUS * sizeof(*(e->xmitstatus_buffer))); - } - i = e->saved_xmitstatus_ptr - 1; - if (i < 0) - i = BCM43xx_NR_LOGGED_XMITSTATUS - 1; - cnt = e->saved_xmitstatus_cnt; - while (cnt) { - status = e->xmitstatus_print_buffer + i; - fappend("0x%02x: cookie: 0x%04x, flags: 0x%02x, " - "cnt1: 0x%02x, cnt2: 0x%02x, seq: 0x%04x, " - "unk: 0x%04x\n", j, - status->cookie, status->flags, - status->cnt1, status->cnt2, status->seq, - status->unknown); - j++; - cnt--; - i--; - if (i < 0) - i = BCM43xx_NR_LOGGED_XMITSTATUS - 1; - } - - spin_unlock_irqrestore(&bcm->irq_lock, flags); - res = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (*ppos == pos) { - /* Done. Drop the copied data. */ - e->xmitstatus_printing = 0; - } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - up(&big_buffer_sem); - return res; -} - -static ssize_t restart_write_file(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct bcm43xx_private *bcm = file->private_data; - char *buf = really_big_buffer; - ssize_t buf_size; - ssize_t res; - unsigned long flags; - - buf_size = min(count, sizeof (really_big_buffer) - 1); - down(&big_buffer_sem); - if (copy_from_user(buf, user_buf, buf_size)) { - res = -EFAULT; - goto out_up; - } - mutex_lock(&(bcm)->mutex); - spin_lock_irqsave(&(bcm)->irq_lock, flags); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) { - printk(KERN_INFO PFX "debugfs: Board not initialized.\n"); - res = -EFAULT; - goto out_unlock; - } - if (count > 0 && buf[0] == '1') { - bcm43xx_controller_restart(bcm, "manually restarted"); - res = count; - } else - res = -EINVAL; - -out_unlock: - spin_unlock_irqrestore(&(bcm)->irq_lock, flags); - mutex_unlock(&(bcm)->mutex); -out_up: - up(&big_buffer_sem); - return res; -} - -#undef fappend - - -static const struct file_operations devinfo_fops = { - .read = devinfo_read_file, - .write = write_file_dummy, - .open = open_file_generic, -}; - -static const struct file_operations spromdump_fops = { - .read = spromdump_read_file, - .write = write_file_dummy, - .open = open_file_generic, -}; - -static const struct file_operations drvinfo_fops = { - .read = drvinfo_read_file, - .write = write_file_dummy, - .open = open_file_generic, -}; - -static const struct file_operations tsf_fops = { - .read = tsf_read_file, - .write = tsf_write_file, - .open = open_file_generic, -}; - -static const struct file_operations txstat_fops = { - .read = txstat_read_file, - .write = write_file_dummy, - .open = open_file_generic, -}; - -static const struct file_operations restart_fops = { - .write = restart_write_file, - .open = open_file_generic, -}; - - -void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm) -{ - struct bcm43xx_dfsentry *e; - char devdir[IFNAMSIZ]; - - assert(bcm); - e = kzalloc(sizeof(*e), GFP_KERNEL); - if (!e) { - printk(KERN_ERR PFX "out of memory\n"); - return; - } - e->bcm = bcm; - e->xmitstatus_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS - * sizeof(*(e->xmitstatus_buffer)), - GFP_KERNEL); - if (!e->xmitstatus_buffer) { - printk(KERN_ERR PFX "out of memory\n"); - kfree(e); - return; - } - e->xmitstatus_print_buffer = kzalloc(BCM43xx_NR_LOGGED_XMITSTATUS - * sizeof(*(e->xmitstatus_buffer)), - GFP_KERNEL); - if (!e->xmitstatus_print_buffer) { - printk(KERN_ERR PFX "out of memory\n"); - kfree(e); - return; - } - - - bcm->dfsentry = e; - - strncpy(devdir, bcm->net_dev->name, ARRAY_SIZE(devdir)); - e->subdir = debugfs_create_dir(devdir, fs.root); - e->dentry_devinfo = debugfs_create_file("devinfo", 0444, e->subdir, - bcm, &devinfo_fops); - if (!e->dentry_devinfo) - printk(KERN_ERR PFX "debugfs: creating \"devinfo\" for \"%s\" failed!\n", devdir); - e->dentry_spromdump = debugfs_create_file("sprom_dump", 0444, e->subdir, - bcm, &spromdump_fops); - if (!e->dentry_spromdump) - printk(KERN_ERR PFX "debugfs: creating \"sprom_dump\" for \"%s\" failed!\n", devdir); - e->dentry_tsf = debugfs_create_file("tsf", 0666, e->subdir, - bcm, &tsf_fops); - if (!e->dentry_tsf) - printk(KERN_ERR PFX "debugfs: creating \"tsf\" for \"%s\" failed!\n", devdir); - e->dentry_txstat = debugfs_create_file("tx_status", 0444, e->subdir, - bcm, &txstat_fops); - if (!e->dentry_txstat) - printk(KERN_ERR PFX "debugfs: creating \"tx_status\" for \"%s\" failed!\n", devdir); - e->dentry_restart = debugfs_create_file("restart", 0222, e->subdir, - bcm, &restart_fops); - if (!e->dentry_restart) - printk(KERN_ERR PFX "debugfs: creating \"restart\" for \"%s\" failed!\n", devdir); -} - -void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm) -{ - struct bcm43xx_dfsentry *e; - - if (!bcm) - return; - - e = bcm->dfsentry; - assert(e); - debugfs_remove(e->dentry_spromdump); - debugfs_remove(e->dentry_devinfo); - debugfs_remove(e->dentry_tsf); - debugfs_remove(e->dentry_txstat); - debugfs_remove(e->dentry_restart); - debugfs_remove(e->subdir); - kfree(e->xmitstatus_buffer); - kfree(e->xmitstatus_print_buffer); - kfree(e); -} - -void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status) -{ - struct bcm43xx_dfsentry *e; - struct bcm43xx_xmitstatus *savedstatus; - - /* This is protected by bcm->_lock */ - e = bcm->dfsentry; - assert(e); - savedstatus = e->xmitstatus_buffer + e->xmitstatus_ptr; - memcpy(savedstatus, status, sizeof(*status)); - e->xmitstatus_ptr++; - if (e->xmitstatus_ptr >= BCM43xx_NR_LOGGED_XMITSTATUS) - e->xmitstatus_ptr = 0; - if (e->xmitstatus_cnt < BCM43xx_NR_LOGGED_XMITSTATUS) - e->xmitstatus_cnt++; -} - -void bcm43xx_debugfs_init(void) -{ - memset(&fs, 0, sizeof(fs)); - fs.root = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (!fs.root) - printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "\" subdir failed!\n"); - fs.dentry_driverinfo = debugfs_create_file("driver", 0444, fs.root, NULL, &drvinfo_fops); - if (!fs.dentry_driverinfo) - printk(KERN_ERR PFX "debugfs: creating \"" KBUILD_MODNAME "/driver\" failed!\n"); -} - -void bcm43xx_debugfs_exit(void) -{ - debugfs_remove(fs.dentry_driverinfo); - debugfs_remove(fs.root); -} - -void bcm43xx_printk_dump(const char *data, - size_t size, - const char *description) -{ - size_t i; - char c; - - printk(KERN_INFO PFX "Data dump (%s, %zd bytes):", - description, size); - for (i = 0; i < size; i++) { - c = data[i]; - if (i % 8 == 0) - printk("\n" KERN_INFO PFX "0x%08zx: 0x%02x, ", i, c & 0xff); - else - printk("0x%02x, ", c & 0xff); - } - printk("\n"); -} - -void bcm43xx_printk_bitdump(const unsigned char *data, - size_t bytes, int msb_to_lsb, - const char *description) -{ - size_t i; - int j; - const unsigned char *d; - - printk(KERN_INFO PFX "*** Bitdump (%s, %zd bytes, %s) ***", - description, bytes, msb_to_lsb ? "MSB to LSB" : "LSB to MSB"); - for (i = 0; i < bytes; i++) { - d = data + i; - if (i % 8 == 0) - printk("\n" KERN_INFO PFX "0x%08zx: ", i); - if (msb_to_lsb) { - for (j = 7; j >= 0; j--) { - if (*d & (1 << j)) - printk("1"); - else - printk("0"); - } - } else { - for (j = 0; j < 8; j++) { - if (*d & (1 << j)) - printk("1"); - else - printk("0"); - } - } - printk(" "); - } - printk("\n"); -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.h b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.h deleted file mode 100644 index a40d1af35545..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.h +++ /dev/null @@ -1,118 +0,0 @@ -#ifndef BCM43xx_DEBUGFS_H_ -#define BCM43xx_DEBUGFS_H_ - -struct bcm43xx_private; -struct bcm43xx_xmitstatus; - -#ifdef CONFIG_BCM43XX_DEBUG - -#include <linux/list.h> -#include <asm/semaphore.h> - -struct dentry; - -/* limited by the size of the "really_big_buffer" */ -#define BCM43xx_NR_LOGGED_XMITSTATUS 100 - -struct bcm43xx_dfsentry { - struct dentry *subdir; - struct dentry *dentry_devinfo; - struct dentry *dentry_spromdump; - struct dentry *dentry_tsf; - struct dentry *dentry_txstat; - struct dentry *dentry_restart; - - struct bcm43xx_private *bcm; - - /* saved xmitstatus. */ - struct bcm43xx_xmitstatus *xmitstatus_buffer; - int xmitstatus_ptr; - int xmitstatus_cnt; - /* We need a seperate buffer while printing to avoid - * concurrency issues. (New xmitstatus can arrive - * while we are printing). - */ - struct bcm43xx_xmitstatus *xmitstatus_print_buffer; - int saved_xmitstatus_ptr; - int saved_xmitstatus_cnt; - int xmitstatus_printing; -}; - -struct bcm43xx_debugfs { - struct dentry *root; - struct dentry *dentry_driverinfo; -}; - -void bcm43xx_debugfs_init(void); -void bcm43xx_debugfs_exit(void); -void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm); -void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm); -void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status); - -/* Debug helper: Dump binary data through printk. */ -void bcm43xx_printk_dump(const char *data, - size_t size, - const char *description); -/* Debug helper: Dump bitwise binary data through printk. */ -void bcm43xx_printk_bitdump(const unsigned char *data, - size_t bytes, int msb_to_lsb, - const char *description); -#define bcm43xx_printk_bitdumpt(pointer, msb_to_lsb, description) \ - do { \ - bcm43xx_printk_bitdump((const unsigned char *)(pointer), \ - sizeof(*(pointer)), \ - (msb_to_lsb), \ - (description)); \ - } while (0) - -#else /* CONFIG_BCM43XX_DEBUG*/ - -static inline -void bcm43xx_debugfs_init(void) { } -static inline -void bcm43xx_debugfs_exit(void) { } -static inline -void bcm43xx_debugfs_add_device(struct bcm43xx_private *bcm) { } -static inline -void bcm43xx_debugfs_remove_device(struct bcm43xx_private *bcm) { } -static inline -void bcm43xx_debugfs_log_txstat(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status) { } - -static inline -void bcm43xx_printk_dump(const char *data, - size_t size, - const char *description) -{ -} -static inline -void bcm43xx_printk_bitdump(const unsigned char *data, - size_t bytes, int msb_to_lsb, - const char *description) -{ -} -#define bcm43xx_printk_bitdumpt(pointer, msb_to_lsb, description) do { /* nothing */ } while (0) - -#endif /* CONFIG_BCM43XX_DEBUG*/ - -/* Ugly helper macros to make incomplete code more verbose on runtime */ -#ifdef TODO -# undef TODO -#endif -#define TODO() \ - do { \ - printk(KERN_INFO PFX "TODO: Incomplete code in %s() at %s:%d\n", \ - __FUNCTION__, __FILE__, __LINE__); \ - } while (0) - -#ifdef FIXME -# undef FIXME -#endif -#define FIXME() \ - do { \ - printk(KERN_INFO PFX "FIXME: Possibly broken code in %s() at %s:%d\n", \ - __FUNCTION__, __FILE__, __LINE__); \ - } while (0) - -#endif /* BCM43xx_DEBUGFS_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c deleted file mode 100644 index 1f7731fcfbd5..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c +++ /dev/null @@ -1,1263 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - DMA ringbuffer and descriptor allocation/management - - Copyright (c) 2005, 2006 Michael Buesch <mbuesch@freenet.de> - - Some code in this file is derived from the b44.c driver - Copyright (C) 2002 David S. Miller - Copyright (C) Pekka Pietikainen - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx.h" -#include "bcm43xx_dma.h" -#include "bcm43xx_main.h" -#include "bcm43xx_debugfs.h" -#include "bcm43xx_power.h" -#include "bcm43xx_xmit.h" - -#include <linux/dma-mapping.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/skbuff.h> - - -static inline int free_slots(struct bcm43xx_dmaring *ring) -{ - return (ring->nr_slots - ring->used_slots); -} - -static inline int next_slot(struct bcm43xx_dmaring *ring, int slot) -{ - assert(slot >= -1 && slot <= ring->nr_slots - 1); - if (slot == ring->nr_slots - 1) - return 0; - return slot + 1; -} - -static inline int prev_slot(struct bcm43xx_dmaring *ring, int slot) -{ - assert(slot >= 0 && slot <= ring->nr_slots - 1); - if (slot == 0) - return ring->nr_slots - 1; - return slot - 1; -} - -/* Request a slot for usage. */ -static inline -int request_slot(struct bcm43xx_dmaring *ring) -{ - int slot; - - assert(ring->tx); - assert(!ring->suspended); - assert(free_slots(ring) != 0); - - slot = next_slot(ring, ring->current_slot); - ring->current_slot = slot; - ring->used_slots++; - - /* Check the number of available slots and suspend TX, - * if we are running low on free slots. - */ - if (unlikely(free_slots(ring) < ring->suspend_mark)) { - netif_stop_queue(ring->bcm->net_dev); - ring->suspended = 1; - } -#ifdef CONFIG_BCM43XX_DEBUG - if (ring->used_slots > ring->max_used_slots) - ring->max_used_slots = ring->used_slots; -#endif /* CONFIG_BCM43XX_DEBUG*/ - - return slot; -} - -/* Return a slot to the free slots. */ -static inline -void return_slot(struct bcm43xx_dmaring *ring, int slot) -{ - assert(ring->tx); - - ring->used_slots--; - - /* Check if TX is suspended and check if we have - * enough free slots to resume it again. - */ - if (unlikely(ring->suspended)) { - if (free_slots(ring) >= ring->resume_mark) { - ring->suspended = 0; - netif_wake_queue(ring->bcm->net_dev); - } - } -} - -u16 bcm43xx_dmacontroller_base(int dma64bit, int controller_idx) -{ - static const u16 map64[] = { - BCM43xx_MMIO_DMA64_BASE0, - BCM43xx_MMIO_DMA64_BASE1, - BCM43xx_MMIO_DMA64_BASE2, - BCM43xx_MMIO_DMA64_BASE3, - BCM43xx_MMIO_DMA64_BASE4, - BCM43xx_MMIO_DMA64_BASE5, - }; - static const u16 map32[] = { - BCM43xx_MMIO_DMA32_BASE0, - BCM43xx_MMIO_DMA32_BASE1, - BCM43xx_MMIO_DMA32_BASE2, - BCM43xx_MMIO_DMA32_BASE3, - BCM43xx_MMIO_DMA32_BASE4, - BCM43xx_MMIO_DMA32_BASE5, - }; - - if (dma64bit) { - assert(controller_idx >= 0 && - controller_idx < ARRAY_SIZE(map64)); - return map64[controller_idx]; - } - assert(controller_idx >= 0 && - controller_idx < ARRAY_SIZE(map32)); - return map32[controller_idx]; -} - -static inline -dma_addr_t map_descbuffer(struct bcm43xx_dmaring *ring, - unsigned char *buf, - size_t len, - int tx) -{ - dma_addr_t dmaaddr; - int direction = PCI_DMA_FROMDEVICE; - - if (tx) - direction = PCI_DMA_TODEVICE; - - dmaaddr = pci_map_single(ring->bcm->pci_dev, - buf, len, - direction); - - return dmaaddr; -} - -static inline -void unmap_descbuffer(struct bcm43xx_dmaring *ring, - dma_addr_t addr, - size_t len, - int tx) -{ - if (tx) { - pci_unmap_single(ring->bcm->pci_dev, - addr, len, - PCI_DMA_TODEVICE); - } else { - pci_unmap_single(ring->bcm->pci_dev, - addr, len, - PCI_DMA_FROMDEVICE); - } -} - -static inline -void sync_descbuffer_for_cpu(struct bcm43xx_dmaring *ring, - dma_addr_t addr, - size_t len) -{ - assert(!ring->tx); - - pci_dma_sync_single_for_cpu(ring->bcm->pci_dev, - addr, len, PCI_DMA_FROMDEVICE); -} - -static inline -void sync_descbuffer_for_device(struct bcm43xx_dmaring *ring, - dma_addr_t addr, - size_t len) -{ - assert(!ring->tx); - - pci_dma_sync_single_for_cpu(ring->bcm->pci_dev, - addr, len, PCI_DMA_TODEVICE); -} - -/* Unmap and free a descriptor buffer. */ -static inline -void free_descriptor_buffer(struct bcm43xx_dmaring *ring, - struct bcm43xx_dmadesc_meta *meta, - int irq_context) -{ - assert(meta->skb); - if (irq_context) - dev_kfree_skb_irq(meta->skb); - else - dev_kfree_skb(meta->skb); - meta->skb = NULL; -} - -static int alloc_ringmemory(struct bcm43xx_dmaring *ring) -{ - ring->descbase = pci_alloc_consistent(ring->bcm->pci_dev, BCM43xx_DMA_RINGMEMSIZE, - &(ring->dmabase)); - if (!ring->descbase) { - /* Allocation may have failed due to pci_alloc_consistent - insisting on use of GFP_DMA, which is more restrictive - than necessary... */ - struct dma_desc *rx_ring; - dma_addr_t rx_ring_dma; - - rx_ring = kzalloc(BCM43xx_DMA_RINGMEMSIZE, GFP_KERNEL); - if (!rx_ring) - goto out_err; - - rx_ring_dma = pci_map_single(ring->bcm->pci_dev, rx_ring, - BCM43xx_DMA_RINGMEMSIZE, - PCI_DMA_BIDIRECTIONAL); - - if (pci_dma_mapping_error(rx_ring_dma) || - rx_ring_dma + BCM43xx_DMA_RINGMEMSIZE > ring->bcm->dma_mask) { - /* Sigh... */ - if (!pci_dma_mapping_error(rx_ring_dma)) - pci_unmap_single(ring->bcm->pci_dev, - rx_ring_dma, BCM43xx_DMA_RINGMEMSIZE, - PCI_DMA_BIDIRECTIONAL); - rx_ring_dma = pci_map_single(ring->bcm->pci_dev, - rx_ring, BCM43xx_DMA_RINGMEMSIZE, - PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(rx_ring_dma) || - rx_ring_dma + BCM43xx_DMA_RINGMEMSIZE > ring->bcm->dma_mask) { - assert(0); - if (!pci_dma_mapping_error(rx_ring_dma)) - pci_unmap_single(ring->bcm->pci_dev, - rx_ring_dma, BCM43xx_DMA_RINGMEMSIZE, - PCI_DMA_BIDIRECTIONAL); - goto out_err; - } - } - - ring->descbase = rx_ring; - ring->dmabase = rx_ring_dma; - } - memset(ring->descbase, 0, BCM43xx_DMA_RINGMEMSIZE); - - return 0; -out_err: - printk(KERN_ERR PFX "DMA ringmemory allocation failed\n"); - return -ENOMEM; -} - -static void free_ringmemory(struct bcm43xx_dmaring *ring) -{ - struct device *dev = &(ring->bcm->pci_dev->dev); - - dma_free_coherent(dev, BCM43xx_DMA_RINGMEMSIZE, - ring->descbase, ring->dmabase); -} - -/* Reset the RX DMA channel */ -int bcm43xx_dmacontroller_rx_reset(struct bcm43xx_private *bcm, - u16 mmio_base, int dma64) -{ - int i; - u32 value; - u16 offset; - - offset = dma64 ? BCM43xx_DMA64_RXCTL : BCM43xx_DMA32_RXCTL; - bcm43xx_write32(bcm, mmio_base + offset, 0); - for (i = 0; i < 1000; i++) { - offset = dma64 ? BCM43xx_DMA64_RXSTATUS : BCM43xx_DMA32_RXSTATUS; - value = bcm43xx_read32(bcm, mmio_base + offset); - if (dma64) { - value &= BCM43xx_DMA64_RXSTAT; - if (value == BCM43xx_DMA64_RXSTAT_DISABLED) { - i = -1; - break; - } - } else { - value &= BCM43xx_DMA32_RXSTATE; - if (value == BCM43xx_DMA32_RXSTAT_DISABLED) { - i = -1; - break; - } - } - udelay(10); - } - if (i != -1) { - printk(KERN_ERR PFX "Error: Wait on DMA RX status timed out.\n"); - return -ENODEV; - } - - return 0; -} - -/* Reset the RX DMA channel */ -int bcm43xx_dmacontroller_tx_reset(struct bcm43xx_private *bcm, - u16 mmio_base, int dma64) -{ - int i; - u32 value; - u16 offset; - - for (i = 0; i < 1000; i++) { - offset = dma64 ? BCM43xx_DMA64_TXSTATUS : BCM43xx_DMA32_TXSTATUS; - value = bcm43xx_read32(bcm, mmio_base + offset); - if (dma64) { - value &= BCM43xx_DMA64_TXSTAT; - if (value == BCM43xx_DMA64_TXSTAT_DISABLED || - value == BCM43xx_DMA64_TXSTAT_IDLEWAIT || - value == BCM43xx_DMA64_TXSTAT_STOPPED) - break; - } else { - value &= BCM43xx_DMA32_TXSTATE; - if (value == BCM43xx_DMA32_TXSTAT_DISABLED || - value == BCM43xx_DMA32_TXSTAT_IDLEWAIT || - value == BCM43xx_DMA32_TXSTAT_STOPPED) - break; - } - udelay(10); - } - offset = dma64 ? BCM43xx_DMA64_TXCTL : BCM43xx_DMA32_TXCTL; - bcm43xx_write32(bcm, mmio_base + offset, 0); - for (i = 0; i < 1000; i++) { - offset = dma64 ? BCM43xx_DMA64_TXSTATUS : BCM43xx_DMA32_TXSTATUS; - value = bcm43xx_read32(bcm, mmio_base + offset); - if (dma64) { - value &= BCM43xx_DMA64_TXSTAT; - if (value == BCM43xx_DMA64_TXSTAT_DISABLED) { - i = -1; - break; - } - } else { - value &= BCM43xx_DMA32_TXSTATE; - if (value == BCM43xx_DMA32_TXSTAT_DISABLED) { - i = -1; - break; - } - } - udelay(10); - } - if (i != -1) { - printk(KERN_ERR PFX "Error: Wait on DMA TX status timed out.\n"); - return -ENODEV; - } - /* ensure the reset is completed. */ - udelay(300); - - return 0; -} - -static void fill_descriptor(struct bcm43xx_dmaring *ring, - struct bcm43xx_dmadesc_generic *desc, - dma_addr_t dmaaddr, - u16 bufsize, - int start, int end, int irq) -{ - int slot; - - slot = bcm43xx_dma_desc2idx(ring, desc); - assert(slot >= 0 && slot < ring->nr_slots); - - if (ring->dma64) { - u32 ctl0 = 0, ctl1 = 0; - u32 addrlo, addrhi; - u32 addrext; - - addrlo = (u32)(dmaaddr & 0xFFFFFFFF); - addrhi = (((u64)dmaaddr >> 32) & ~BCM43xx_DMA64_ROUTING); - addrext = (((u64)dmaaddr >> 32) >> BCM43xx_DMA64_ROUTING_SHIFT); - addrhi |= ring->routing; - if (slot == ring->nr_slots - 1) - ctl0 |= BCM43xx_DMA64_DCTL0_DTABLEEND; - if (start) - ctl0 |= BCM43xx_DMA64_DCTL0_FRAMESTART; - if (end) - ctl0 |= BCM43xx_DMA64_DCTL0_FRAMEEND; - if (irq) - ctl0 |= BCM43xx_DMA64_DCTL0_IRQ; - ctl1 |= (bufsize - ring->frameoffset) - & BCM43xx_DMA64_DCTL1_BYTECNT; - ctl1 |= (addrext << BCM43xx_DMA64_DCTL1_ADDREXT_SHIFT) - & BCM43xx_DMA64_DCTL1_ADDREXT_MASK; - - desc->dma64.control0 = cpu_to_le32(ctl0); - desc->dma64.control1 = cpu_to_le32(ctl1); - desc->dma64.address_low = cpu_to_le32(addrlo); - desc->dma64.address_high = cpu_to_le32(addrhi); - } else { - u32 ctl; - u32 addr; - u32 addrext; - - addr = (u32)(dmaaddr & ~BCM43xx_DMA32_ROUTING); - addrext = (u32)(dmaaddr & BCM43xx_DMA32_ROUTING) - >> BCM43xx_DMA32_ROUTING_SHIFT; - addr |= ring->routing; - ctl = (bufsize - ring->frameoffset) - & BCM43xx_DMA32_DCTL_BYTECNT; - if (slot == ring->nr_slots - 1) - ctl |= BCM43xx_DMA32_DCTL_DTABLEEND; - if (start) - ctl |= BCM43xx_DMA32_DCTL_FRAMESTART; - if (end) - ctl |= BCM43xx_DMA32_DCTL_FRAMEEND; - if (irq) - ctl |= BCM43xx_DMA32_DCTL_IRQ; - ctl |= (addrext << BCM43xx_DMA32_DCTL_ADDREXT_SHIFT) - & BCM43xx_DMA32_DCTL_ADDREXT_MASK; - - desc->dma32.control = cpu_to_le32(ctl); - desc->dma32.address = cpu_to_le32(addr); - } -} - -static int setup_rx_descbuffer(struct bcm43xx_dmaring *ring, - struct bcm43xx_dmadesc_generic *desc, - struct bcm43xx_dmadesc_meta *meta, - gfp_t gfp_flags) -{ - struct bcm43xx_rxhdr *rxhdr; - struct bcm43xx_hwxmitstatus *xmitstat; - dma_addr_t dmaaddr; - struct sk_buff *skb; - - assert(!ring->tx); - - skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); - if (unlikely(!skb)) - return -ENOMEM; - dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); - /* This hardware bug work-around adapted from the b44 driver. - The chip may be unable to do PCI DMA to/from anything above 1GB */ - if (pci_dma_mapping_error(dmaaddr) || - dmaaddr + ring->rx_buffersize > ring->bcm->dma_mask) { - /* This one has 30-bit addressing... */ - if (!pci_dma_mapping_error(dmaaddr)) - pci_unmap_single(ring->bcm->pci_dev, - dmaaddr, ring->rx_buffersize, - PCI_DMA_FROMDEVICE); - dev_kfree_skb_any(skb); - skb = __dev_alloc_skb(ring->rx_buffersize,GFP_DMA); - if (skb == NULL) - return -ENOMEM; - dmaaddr = pci_map_single(ring->bcm->pci_dev, - skb->data, ring->rx_buffersize, - PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(dmaaddr) || - dmaaddr + ring->rx_buffersize > ring->bcm->dma_mask) { - assert(0); - dev_kfree_skb_any(skb); - return -ENOMEM; - } - } - meta->skb = skb; - meta->dmaaddr = dmaaddr; - skb->dev = ring->bcm->net_dev; - - fill_descriptor(ring, desc, dmaaddr, - ring->rx_buffersize, 0, 0, 0); - - rxhdr = (struct bcm43xx_rxhdr *)(skb->data); - rxhdr->frame_length = 0; - rxhdr->flags1 = 0; - xmitstat = (struct bcm43xx_hwxmitstatus *)(skb->data); - xmitstat->cookie = 0; - - return 0; -} - -/* Allocate the initial descbuffers. - * This is used for an RX ring only. - */ -static int alloc_initial_descbuffers(struct bcm43xx_dmaring *ring) -{ - int i, err = -ENOMEM; - struct bcm43xx_dmadesc_generic *desc; - struct bcm43xx_dmadesc_meta *meta; - - for (i = 0; i < ring->nr_slots; i++) { - desc = bcm43xx_dma_idx2desc(ring, i, &meta); - - err = setup_rx_descbuffer(ring, desc, meta, GFP_KERNEL); - if (err) - goto err_unwind; - } - mb(); - ring->used_slots = ring->nr_slots; - err = 0; -out: - return err; - -err_unwind: - for (i--; i >= 0; i--) { - desc = bcm43xx_dma_idx2desc(ring, i, &meta); - - unmap_descbuffer(ring, meta->dmaaddr, ring->rx_buffersize, 0); - dev_kfree_skb(meta->skb); - } - goto out; -} - -/* Do initial setup of the DMA controller. - * Reset the controller, write the ring busaddress - * and switch the "enable" bit on. - */ -static int dmacontroller_setup(struct bcm43xx_dmaring *ring) -{ - int err = 0; - u32 value; - u32 addrext; - - if (ring->tx) { - if (ring->dma64) { - u64 ringbase = (u64)(ring->dmabase); - - addrext = ((ringbase >> 32) >> BCM43xx_DMA64_ROUTING_SHIFT); - value = BCM43xx_DMA64_TXENABLE; - value |= (addrext << BCM43xx_DMA64_TXADDREXT_SHIFT) - & BCM43xx_DMA64_TXADDREXT_MASK; - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXCTL, value); - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXRINGLO, - (ringbase & 0xFFFFFFFF)); - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXRINGHI, - ((ringbase >> 32) & ~BCM43xx_DMA64_ROUTING) - | ring->routing); - } else { - u32 ringbase = (u32)(ring->dmabase); - - addrext = (ringbase >> BCM43xx_DMA32_ROUTING_SHIFT); - value = BCM43xx_DMA32_TXENABLE; - value |= (addrext << BCM43xx_DMA32_TXADDREXT_SHIFT) - & BCM43xx_DMA32_TXADDREXT_MASK; - bcm43xx_dma_write(ring, BCM43xx_DMA32_TXCTL, value); - bcm43xx_dma_write(ring, BCM43xx_DMA32_TXRING, - (ringbase & ~BCM43xx_DMA32_ROUTING) - | ring->routing); - } - } else { - err = alloc_initial_descbuffers(ring); - if (err) - goto out; - if (ring->dma64) { - u64 ringbase = (u64)(ring->dmabase); - - addrext = ((ringbase >> 32) >> BCM43xx_DMA64_ROUTING_SHIFT); - value = (ring->frameoffset << BCM43xx_DMA64_RXFROFF_SHIFT); - value |= BCM43xx_DMA64_RXENABLE; - value |= (addrext << BCM43xx_DMA64_RXADDREXT_SHIFT) - & BCM43xx_DMA64_RXADDREXT_MASK; - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXCTL, value); - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXRINGLO, - (ringbase & 0xFFFFFFFF)); - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXRINGHI, - ((ringbase >> 32) & ~BCM43xx_DMA64_ROUTING) - | ring->routing); - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXINDEX, 200); - } else { - u32 ringbase = (u32)(ring->dmabase); - - addrext = (ringbase >> BCM43xx_DMA32_ROUTING_SHIFT); - value = (ring->frameoffset << BCM43xx_DMA32_RXFROFF_SHIFT); - value |= BCM43xx_DMA32_RXENABLE; - value |= (addrext << BCM43xx_DMA32_RXADDREXT_SHIFT) - & BCM43xx_DMA32_RXADDREXT_MASK; - bcm43xx_dma_write(ring, BCM43xx_DMA32_RXCTL, value); - bcm43xx_dma_write(ring, BCM43xx_DMA32_RXRING, - (ringbase & ~BCM43xx_DMA32_ROUTING) - | ring->routing); - bcm43xx_dma_write(ring, BCM43xx_DMA32_RXINDEX, 200); - } - } - -out: - return err; -} - -/* Shutdown the DMA controller. */ -static void dmacontroller_cleanup(struct bcm43xx_dmaring *ring) -{ - if (ring->tx) { - bcm43xx_dmacontroller_tx_reset(ring->bcm, ring->mmio_base, ring->dma64); - if (ring->dma64) { - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXRINGLO, 0); - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXRINGHI, 0); - } else - bcm43xx_dma_write(ring, BCM43xx_DMA32_TXRING, 0); - } else { - bcm43xx_dmacontroller_rx_reset(ring->bcm, ring->mmio_base, ring->dma64); - if (ring->dma64) { - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXRINGLO, 0); - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXRINGHI, 0); - } else - bcm43xx_dma_write(ring, BCM43xx_DMA32_RXRING, 0); - } -} - -static void free_all_descbuffers(struct bcm43xx_dmaring *ring) -{ - struct bcm43xx_dmadesc_generic *desc; - struct bcm43xx_dmadesc_meta *meta; - int i; - - if (!ring->used_slots) - return; - for (i = 0; i < ring->nr_slots; i++) { - desc = bcm43xx_dma_idx2desc(ring, i, &meta); - - if (!meta->skb) { - assert(ring->tx); - continue; - } - if (ring->tx) { - unmap_descbuffer(ring, meta->dmaaddr, - meta->skb->len, 1); - } else { - unmap_descbuffer(ring, meta->dmaaddr, - ring->rx_buffersize, 0); - } - free_descriptor_buffer(ring, meta, 0); - } -} - -/* Main initialization function. */ -static -struct bcm43xx_dmaring * bcm43xx_setup_dmaring(struct bcm43xx_private *bcm, - int controller_index, - int for_tx, - int dma64) -{ - struct bcm43xx_dmaring *ring; - int err; - int nr_slots; - - ring = kzalloc(sizeof(*ring), GFP_KERNEL); - if (!ring) - goto out; - - nr_slots = BCM43xx_RXRING_SLOTS; - if (for_tx) - nr_slots = BCM43xx_TXRING_SLOTS; - - ring->meta = kcalloc(nr_slots, sizeof(struct bcm43xx_dmadesc_meta), - GFP_KERNEL); - if (!ring->meta) - goto err_kfree_ring; - - ring->routing = BCM43xx_DMA32_CLIENTTRANS; - if (dma64) - ring->routing = BCM43xx_DMA64_CLIENTTRANS; - - ring->bcm = bcm; - ring->nr_slots = nr_slots; - ring->suspend_mark = ring->nr_slots * BCM43xx_TXSUSPEND_PERCENT / 100; - ring->resume_mark = ring->nr_slots * BCM43xx_TXRESUME_PERCENT / 100; - assert(ring->suspend_mark < ring->resume_mark); - ring->mmio_base = bcm43xx_dmacontroller_base(dma64, controller_index); - ring->index = controller_index; - ring->dma64 = !!dma64; - if (for_tx) { - ring->tx = 1; - ring->current_slot = -1; - } else { - if (ring->index == 0) { - ring->rx_buffersize = BCM43xx_DMA0_RX_BUFFERSIZE; - ring->frameoffset = BCM43xx_DMA0_RX_FRAMEOFFSET; - } else if (ring->index == 3) { - ring->rx_buffersize = BCM43xx_DMA3_RX_BUFFERSIZE; - ring->frameoffset = BCM43xx_DMA3_RX_FRAMEOFFSET; - } else - assert(0); - } - - err = alloc_ringmemory(ring); - if (err) - goto err_kfree_meta; - err = dmacontroller_setup(ring); - if (err) - goto err_free_ringmemory; - return ring; - -out: - printk(KERN_ERR PFX "Error in bcm43xx_setup_dmaring\n"); - return ring; - -err_free_ringmemory: - free_ringmemory(ring); -err_kfree_meta: - kfree(ring->meta); -err_kfree_ring: - kfree(ring); - ring = NULL; - goto out; -} - -/* Main cleanup function. */ -static void bcm43xx_destroy_dmaring(struct bcm43xx_dmaring *ring) -{ - if (!ring) - return; - - dprintk(KERN_INFO PFX "DMA-%s 0x%04X (%s) max used slots: %d/%d\n", - (ring->dma64) ? "64" : "32", - ring->mmio_base, - (ring->tx) ? "TX" : "RX", - ring->max_used_slots, ring->nr_slots); - /* Device IRQs are disabled prior entering this function, - * so no need to take care of concurrency with rx handler stuff. - */ - dmacontroller_cleanup(ring); - free_all_descbuffers(ring); - free_ringmemory(ring); - - kfree(ring->meta); - kfree(ring); -} - -void bcm43xx_dma_free(struct bcm43xx_private *bcm) -{ - struct bcm43xx_dma *dma; - - if (bcm43xx_using_pio(bcm)) - return; - dma = bcm43xx_current_dma(bcm); - - bcm43xx_destroy_dmaring(dma->rx_ring3); - dma->rx_ring3 = NULL; - bcm43xx_destroy_dmaring(dma->rx_ring0); - dma->rx_ring0 = NULL; - - bcm43xx_destroy_dmaring(dma->tx_ring5); - dma->tx_ring5 = NULL; - bcm43xx_destroy_dmaring(dma->tx_ring4); - dma->tx_ring4 = NULL; - bcm43xx_destroy_dmaring(dma->tx_ring3); - dma->tx_ring3 = NULL; - bcm43xx_destroy_dmaring(dma->tx_ring2); - dma->tx_ring2 = NULL; - bcm43xx_destroy_dmaring(dma->tx_ring1); - dma->tx_ring1 = NULL; - bcm43xx_destroy_dmaring(dma->tx_ring0); - dma->tx_ring0 = NULL; -} - -int bcm43xx_dma_init(struct bcm43xx_private *bcm) -{ - struct bcm43xx_dma *dma = bcm43xx_current_dma(bcm); - struct bcm43xx_dmaring *ring; - int err = -ENOMEM; - int dma64 = 0; - - bcm->dma_mask = bcm43xx_get_supported_dma_mask(bcm); - if (bcm->dma_mask == DMA_64BIT_MASK) - dma64 = 1; - err = pci_set_dma_mask(bcm->pci_dev, bcm->dma_mask); - if (err) - goto no_dma; - err = pci_set_consistent_dma_mask(bcm->pci_dev, bcm->dma_mask); - if (err) - goto no_dma; - - /* setup TX DMA channels. */ - ring = bcm43xx_setup_dmaring(bcm, 0, 1, dma64); - if (!ring) - goto out; - dma->tx_ring0 = ring; - - ring = bcm43xx_setup_dmaring(bcm, 1, 1, dma64); - if (!ring) - goto err_destroy_tx0; - dma->tx_ring1 = ring; - - ring = bcm43xx_setup_dmaring(bcm, 2, 1, dma64); - if (!ring) - goto err_destroy_tx1; - dma->tx_ring2 = ring; - - ring = bcm43xx_setup_dmaring(bcm, 3, 1, dma64); - if (!ring) - goto err_destroy_tx2; - dma->tx_ring3 = ring; - - ring = bcm43xx_setup_dmaring(bcm, 4, 1, dma64); - if (!ring) - goto err_destroy_tx3; - dma->tx_ring4 = ring; - - ring = bcm43xx_setup_dmaring(bcm, 5, 1, dma64); - if (!ring) - goto err_destroy_tx4; - dma->tx_ring5 = ring; - - /* setup RX DMA channels. */ - ring = bcm43xx_setup_dmaring(bcm, 0, 0, dma64); - if (!ring) - goto err_destroy_tx5; - dma->rx_ring0 = ring; - - if (bcm->current_core->rev < 5) { - ring = bcm43xx_setup_dmaring(bcm, 3, 0, dma64); - if (!ring) - goto err_destroy_rx0; - dma->rx_ring3 = ring; - } - - dprintk(KERN_INFO PFX "%d-bit DMA initialized\n", - (bcm->dma_mask == DMA_64BIT_MASK) ? 64 : - (bcm->dma_mask == DMA_32BIT_MASK) ? 32 : 30); - err = 0; -out: - return err; - -err_destroy_rx0: - bcm43xx_destroy_dmaring(dma->rx_ring0); - dma->rx_ring0 = NULL; -err_destroy_tx5: - bcm43xx_destroy_dmaring(dma->tx_ring5); - dma->tx_ring5 = NULL; -err_destroy_tx4: - bcm43xx_destroy_dmaring(dma->tx_ring4); - dma->tx_ring4 = NULL; -err_destroy_tx3: - bcm43xx_destroy_dmaring(dma->tx_ring3); - dma->tx_ring3 = NULL; -err_destroy_tx2: - bcm43xx_destroy_dmaring(dma->tx_ring2); - dma->tx_ring2 = NULL; -err_destroy_tx1: - bcm43xx_destroy_dmaring(dma->tx_ring1); - dma->tx_ring1 = NULL; -err_destroy_tx0: - bcm43xx_destroy_dmaring(dma->tx_ring0); - dma->tx_ring0 = NULL; -no_dma: -#ifdef CONFIG_BCM43XX_PIO - printk(KERN_WARNING PFX "DMA not supported on this device." - " Falling back to PIO.\n"); - bcm->__using_pio = 1; - return -ENOSYS; -#else - printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. " - "Please recompile the driver with PIO support.\n"); - return -ENODEV; -#endif /* CONFIG_BCM43XX_PIO */ -} - -/* Generate a cookie for the TX header. */ -static u16 generate_cookie(struct bcm43xx_dmaring *ring, - int slot) -{ - u16 cookie = 0x1000; - - /* Use the upper 4 bits of the cookie as - * DMA controller ID and store the slot number - * in the lower 12 bits. - * Note that the cookie must never be 0, as this - * is a special value used in RX path. - */ - switch (ring->index) { - case 0: - cookie = 0xA000; - break; - case 1: - cookie = 0xB000; - break; - case 2: - cookie = 0xC000; - break; - case 3: - cookie = 0xD000; - break; - case 4: - cookie = 0xE000; - break; - case 5: - cookie = 0xF000; - break; - } - assert(((u16)slot & 0xF000) == 0x0000); - cookie |= (u16)slot; - - return cookie; -} - -/* Inspect a cookie and find out to which controller/slot it belongs. */ -static -struct bcm43xx_dmaring * parse_cookie(struct bcm43xx_private *bcm, - u16 cookie, int *slot) -{ - struct bcm43xx_dma *dma = bcm43xx_current_dma(bcm); - struct bcm43xx_dmaring *ring = NULL; - - switch (cookie & 0xF000) { - case 0xA000: - ring = dma->tx_ring0; - break; - case 0xB000: - ring = dma->tx_ring1; - break; - case 0xC000: - ring = dma->tx_ring2; - break; - case 0xD000: - ring = dma->tx_ring3; - break; - case 0xE000: - ring = dma->tx_ring4; - break; - case 0xF000: - ring = dma->tx_ring5; - break; - default: - assert(0); - } - *slot = (cookie & 0x0FFF); - assert(*slot >= 0 && *slot < ring->nr_slots); - - return ring; -} - -static void dmacontroller_poke_tx(struct bcm43xx_dmaring *ring, - int slot) -{ - u16 offset; - int descsize; - - /* Everything is ready to start. Buffers are DMA mapped and - * associated with slots. - * "slot" is the last slot of the new frame we want to transmit. - * Close your seat belts now, please. - */ - wmb(); - slot = next_slot(ring, slot); - offset = (ring->dma64) ? BCM43xx_DMA64_TXINDEX : BCM43xx_DMA32_TXINDEX; - descsize = (ring->dma64) ? sizeof(struct bcm43xx_dmadesc64) - : sizeof(struct bcm43xx_dmadesc32); - bcm43xx_dma_write(ring, offset, - (u32)(slot * descsize)); -} - -static void dma_tx_fragment(struct bcm43xx_dmaring *ring, - struct sk_buff *skb, - u8 cur_frag) -{ - int slot; - struct bcm43xx_dmadesc_generic *desc; - struct bcm43xx_dmadesc_meta *meta; - dma_addr_t dmaaddr; - struct sk_buff *bounce_skb; - - assert(skb_shinfo(skb)->nr_frags == 0); - - slot = request_slot(ring); - desc = bcm43xx_dma_idx2desc(ring, slot, &meta); - - /* Add a device specific TX header. */ - assert(skb_headroom(skb) >= sizeof(struct bcm43xx_txhdr)); - /* Reserve enough headroom for the device tx header. */ - __skb_push(skb, sizeof(struct bcm43xx_txhdr)); - /* Now calculate and add the tx header. - * The tx header includes the PLCP header. - */ - bcm43xx_generate_txhdr(ring->bcm, - (struct bcm43xx_txhdr *)skb->data, - skb->data + sizeof(struct bcm43xx_txhdr), - skb->len - sizeof(struct bcm43xx_txhdr), - (cur_frag == 0), - generate_cookie(ring, slot)); - dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); - if (dma_mapping_error(dmaaddr) || dmaaddr + skb->len > ring->bcm->dma_mask) { - /* chip cannot handle DMA to/from > 1GB, use bounce buffer (copied from b44 driver) */ - if (!dma_mapping_error(dmaaddr)) - unmap_descbuffer(ring, dmaaddr, skb->len, 1); - bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC|GFP_DMA); - if (!bounce_skb) - return; - dmaaddr = map_descbuffer(ring, bounce_skb->data, bounce_skb->len, 1); - if (dma_mapping_error(dmaaddr) || dmaaddr + skb->len > ring->bcm->dma_mask) { - if (!dma_mapping_error(dmaaddr)) - unmap_descbuffer(ring, dmaaddr, skb->len, 1); - dev_kfree_skb_any(bounce_skb); - assert(0); - return; - } - skb_copy_from_linear_data(skb, skb_put(bounce_skb, skb->len), - skb->len); - dev_kfree_skb_any(skb); - skb = bounce_skb; - } - - meta->skb = skb; - meta->dmaaddr = dmaaddr; - - fill_descriptor(ring, desc, dmaaddr, - skb->len, 1, 1, 1); - - /* Now transfer the whole frame. */ - dmacontroller_poke_tx(ring, slot); -} - -int bcm43xx_dma_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb) -{ - /* We just received a packet from the kernel network subsystem. - * Add headers and DMA map the memory. Poke - * the device to send the stuff. - * Note that this is called from atomic context. - */ - struct bcm43xx_dmaring *ring = bcm43xx_current_dma(bcm)->tx_ring1; - u8 i; - struct sk_buff *skb; - - assert(ring->tx); - if (unlikely(free_slots(ring) < txb->nr_frags)) { - /* The queue should be stopped, - * if we are low on free slots. - * If this ever triggers, we have to lower the suspend_mark. - */ - dprintkl(KERN_ERR PFX "Out of DMA descriptor slots!\n"); - return -ENOMEM; - } - - for (i = 0; i < txb->nr_frags; i++) { - skb = txb->fragments[i]; - /* Take skb from ieee80211_txb_free */ - txb->fragments[i] = NULL; - dma_tx_fragment(ring, skb, i); - } - ieee80211_txb_free(txb); - - return 0; -} - -void bcm43xx_dma_handle_xmitstatus(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status) -{ - struct bcm43xx_dmaring *ring; - struct bcm43xx_dmadesc_generic *desc; - struct bcm43xx_dmadesc_meta *meta; - int is_last_fragment; - int slot; - u32 tmp; - - ring = parse_cookie(bcm, status->cookie, &slot); - assert(ring); - assert(ring->tx); - while (1) { - assert(slot >= 0 && slot < ring->nr_slots); - desc = bcm43xx_dma_idx2desc(ring, slot, &meta); - - if (ring->dma64) { - tmp = le32_to_cpu(desc->dma64.control0); - is_last_fragment = !!(tmp & BCM43xx_DMA64_DCTL0_FRAMEEND); - } else { - tmp = le32_to_cpu(desc->dma32.control); - is_last_fragment = !!(tmp & BCM43xx_DMA32_DCTL_FRAMEEND); - } - unmap_descbuffer(ring, meta->dmaaddr, meta->skb->len, 1); - free_descriptor_buffer(ring, meta, 1); - /* Everything belonging to the slot is unmapped - * and freed, so we can return it. - */ - return_slot(ring, slot); - - if (is_last_fragment) - break; - slot = next_slot(ring, slot); - } - bcm->stats.last_tx = jiffies; -} - -static void dma_rx(struct bcm43xx_dmaring *ring, - int *slot) -{ - struct bcm43xx_dmadesc_generic *desc; - struct bcm43xx_dmadesc_meta *meta; - struct bcm43xx_rxhdr *rxhdr; - struct sk_buff *skb; - u16 len; - int err; - dma_addr_t dmaaddr; - - desc = bcm43xx_dma_idx2desc(ring, *slot, &meta); - - sync_descbuffer_for_cpu(ring, meta->dmaaddr, ring->rx_buffersize); - skb = meta->skb; - - if (ring->index == 3) { - /* We received an xmit status. */ - struct bcm43xx_hwxmitstatus *hw = (struct bcm43xx_hwxmitstatus *)skb->data; - struct bcm43xx_xmitstatus stat; - int i = 0; - - stat.cookie = le16_to_cpu(hw->cookie); - while (stat.cookie == 0) { - if (unlikely(++i >= 10000)) { - assert(0); - break; - } - udelay(2); - barrier(); - stat.cookie = le16_to_cpu(hw->cookie); - } - stat.flags = hw->flags; - stat.cnt1 = hw->cnt1; - stat.cnt2 = hw->cnt2; - stat.seq = le16_to_cpu(hw->seq); - stat.unknown = le16_to_cpu(hw->unknown); - - bcm43xx_debugfs_log_txstat(ring->bcm, &stat); - bcm43xx_dma_handle_xmitstatus(ring->bcm, &stat); - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, ring->rx_buffersize); - - return; - } - rxhdr = (struct bcm43xx_rxhdr *)skb->data; - len = le16_to_cpu(rxhdr->frame_length); - if (len == 0) { - int i = 0; - - do { - udelay(2); - barrier(); - len = le16_to_cpu(rxhdr->frame_length); - } while (len == 0 && i++ < 5); - if (unlikely(len == 0)) { - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - goto drop; - } - } - if (unlikely(len > ring->rx_buffersize)) { - /* The data did not fit into one descriptor buffer - * and is split over multiple buffers. - * This should never happen, as we try to allocate buffers - * big enough. So simply ignore this packet. - */ - int cnt = 0; - s32 tmp = len; - - while (1) { - desc = bcm43xx_dma_idx2desc(ring, *slot, &meta); - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - *slot = next_slot(ring, *slot); - cnt++; - tmp -= ring->rx_buffersize; - if (tmp <= 0) - break; - } - printkl(KERN_ERR PFX "DMA RX buffer too small " - "(len: %u, buffer: %u, nr-dropped: %d)\n", - len, ring->rx_buffersize, cnt); - goto drop; - } - len -= IEEE80211_FCS_LEN; - - dmaaddr = meta->dmaaddr; - err = setup_rx_descbuffer(ring, desc, meta, GFP_ATOMIC); - if (unlikely(err)) { - dprintkl(KERN_ERR PFX "DMA RX: setup_rx_descbuffer() failed\n"); - sync_descbuffer_for_device(ring, dmaaddr, - ring->rx_buffersize); - goto drop; - } - - unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0); - skb_put(skb, len + ring->frameoffset); - skb_pull(skb, ring->frameoffset); - - err = bcm43xx_rx(ring->bcm, skb, rxhdr); - if (err) { - dev_kfree_skb_irq(skb); - goto drop; - } - -drop: - return; -} - -void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring) -{ - u32 status; - u16 descptr; - int slot, current_slot; -#ifdef CONFIG_BCM43XX_DEBUG - int used_slots = 0; -#endif - - assert(!ring->tx); - if (ring->dma64) { - status = bcm43xx_dma_read(ring, BCM43xx_DMA64_RXSTATUS); - descptr = (status & BCM43xx_DMA64_RXSTATDPTR); - current_slot = descptr / sizeof(struct bcm43xx_dmadesc64); - } else { - status = bcm43xx_dma_read(ring, BCM43xx_DMA32_RXSTATUS); - descptr = (status & BCM43xx_DMA32_RXDPTR); - current_slot = descptr / sizeof(struct bcm43xx_dmadesc32); - } - assert(current_slot >= 0 && current_slot < ring->nr_slots); - - slot = ring->current_slot; - for ( ; slot != current_slot; slot = next_slot(ring, slot)) { - dma_rx(ring, &slot); -#ifdef CONFIG_BCM43XX_DEBUG - if (++used_slots > ring->max_used_slots) - ring->max_used_slots = used_slots; -#endif - } - if (ring->dma64) { - bcm43xx_dma_write(ring, BCM43xx_DMA64_RXINDEX, - (u32)(slot * sizeof(struct bcm43xx_dmadesc64))); - } else { - bcm43xx_dma_write(ring, BCM43xx_DMA32_RXINDEX, - (u32)(slot * sizeof(struct bcm43xx_dmadesc32))); - } - ring->current_slot = slot; -} - -void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring) -{ - assert(ring->tx); - bcm43xx_power_saving_ctl_bits(ring->bcm, -1, 1); - if (ring->dma64) { - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXCTL, - bcm43xx_dma_read(ring, BCM43xx_DMA64_TXCTL) - | BCM43xx_DMA64_TXSUSPEND); - } else { - bcm43xx_dma_write(ring, BCM43xx_DMA32_TXCTL, - bcm43xx_dma_read(ring, BCM43xx_DMA32_TXCTL) - | BCM43xx_DMA32_TXSUSPEND); - } -} - -void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring) -{ - assert(ring->tx); - if (ring->dma64) { - bcm43xx_dma_write(ring, BCM43xx_DMA64_TXCTL, - bcm43xx_dma_read(ring, BCM43xx_DMA64_TXCTL) - & ~BCM43xx_DMA64_TXSUSPEND); - } else { - bcm43xx_dma_write(ring, BCM43xx_DMA32_TXCTL, - bcm43xx_dma_read(ring, BCM43xx_DMA32_TXCTL) - & ~BCM43xx_DMA32_TXSUSPEND); - } - bcm43xx_power_saving_ctl_bits(ring->bcm, -1, -1); -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h deleted file mode 100644 index d1105e569a41..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h +++ /dev/null @@ -1,386 +0,0 @@ -#ifndef BCM43xx_DMA_H_ -#define BCM43xx_DMA_H_ - -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/workqueue.h> -#include <linux/dma-mapping.h> -#include <linux/linkage.h> -#include <asm/atomic.h> - - -/* DMA-Interrupt reasons. */ -#define BCM43xx_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \ - | (1 << 14) | (1 << 15)) -#define BCM43xx_DMAIRQ_NONFATALMASK (1 << 13) -#define BCM43xx_DMAIRQ_RX_DONE (1 << 16) - - -/*** 32-bit DMA Engine. ***/ - -/* 32-bit DMA controller registers. */ -#define BCM43xx_DMA32_TXCTL 0x00 -#define BCM43xx_DMA32_TXENABLE 0x00000001 -#define BCM43xx_DMA32_TXSUSPEND 0x00000002 -#define BCM43xx_DMA32_TXLOOPBACK 0x00000004 -#define BCM43xx_DMA32_TXFLUSH 0x00000010 -#define BCM43xx_DMA32_TXADDREXT_MASK 0x00030000 -#define BCM43xx_DMA32_TXADDREXT_SHIFT 16 -#define BCM43xx_DMA32_TXRING 0x04 -#define BCM43xx_DMA32_TXINDEX 0x08 -#define BCM43xx_DMA32_TXSTATUS 0x0C -#define BCM43xx_DMA32_TXDPTR 0x00000FFF -#define BCM43xx_DMA32_TXSTATE 0x0000F000 -#define BCM43xx_DMA32_TXSTAT_DISABLED 0x00000000 -#define BCM43xx_DMA32_TXSTAT_ACTIVE 0x00001000 -#define BCM43xx_DMA32_TXSTAT_IDLEWAIT 0x00002000 -#define BCM43xx_DMA32_TXSTAT_STOPPED 0x00003000 -#define BCM43xx_DMA32_TXSTAT_SUSP 0x00004000 -#define BCM43xx_DMA32_TXERROR 0x000F0000 -#define BCM43xx_DMA32_TXERR_NOERR 0x00000000 -#define BCM43xx_DMA32_TXERR_PROT 0x00010000 -#define BCM43xx_DMA32_TXERR_UNDERRUN 0x00020000 -#define BCM43xx_DMA32_TXERR_BUFREAD 0x00030000 -#define BCM43xx_DMA32_TXERR_DESCREAD 0x00040000 -#define BCM43xx_DMA32_TXACTIVE 0xFFF00000 -#define BCM43xx_DMA32_RXCTL 0x10 -#define BCM43xx_DMA32_RXENABLE 0x00000001 -#define BCM43xx_DMA32_RXFROFF_MASK 0x000000FE -#define BCM43xx_DMA32_RXFROFF_SHIFT 1 -#define BCM43xx_DMA32_RXDIRECTFIFO 0x00000100 -#define BCM43xx_DMA32_RXADDREXT_MASK 0x00030000 -#define BCM43xx_DMA32_RXADDREXT_SHIFT 16 -#define BCM43xx_DMA32_RXRING 0x14 -#define BCM43xx_DMA32_RXINDEX 0x18 -#define BCM43xx_DMA32_RXSTATUS 0x1C -#define BCM43xx_DMA32_RXDPTR 0x00000FFF -#define BCM43xx_DMA32_RXSTATE 0x0000F000 -#define BCM43xx_DMA32_RXSTAT_DISABLED 0x00000000 -#define BCM43xx_DMA32_RXSTAT_ACTIVE 0x00001000 -#define BCM43xx_DMA32_RXSTAT_IDLEWAIT 0x00002000 -#define BCM43xx_DMA32_RXSTAT_STOPPED 0x00003000 -#define BCM43xx_DMA32_RXERROR 0x000F0000 -#define BCM43xx_DMA32_RXERR_NOERR 0x00000000 -#define BCM43xx_DMA32_RXERR_PROT 0x00010000 -#define BCM43xx_DMA32_RXERR_OVERFLOW 0x00020000 -#define BCM43xx_DMA32_RXERR_BUFWRITE 0x00030000 -#define BCM43xx_DMA32_RXERR_DESCREAD 0x00040000 -#define BCM43xx_DMA32_RXACTIVE 0xFFF00000 - -/* 32-bit DMA descriptor. */ -struct bcm43xx_dmadesc32 { - __le32 control; - __le32 address; -} __attribute__((__packed__)); -#define BCM43xx_DMA32_DCTL_BYTECNT 0x00001FFF -#define BCM43xx_DMA32_DCTL_ADDREXT_MASK 0x00030000 -#define BCM43xx_DMA32_DCTL_ADDREXT_SHIFT 16 -#define BCM43xx_DMA32_DCTL_DTABLEEND 0x10000000 -#define BCM43xx_DMA32_DCTL_IRQ 0x20000000 -#define BCM43xx_DMA32_DCTL_FRAMEEND 0x40000000 -#define BCM43xx_DMA32_DCTL_FRAMESTART 0x80000000 - -/* Address field Routing value. */ -#define BCM43xx_DMA32_ROUTING 0xC0000000 -#define BCM43xx_DMA32_ROUTING_SHIFT 30 -#define BCM43xx_DMA32_NOTRANS 0x00000000 -#define BCM43xx_DMA32_CLIENTTRANS 0x40000000 - - - -/*** 64-bit DMA Engine. ***/ - -/* 64-bit DMA controller registers. */ -#define BCM43xx_DMA64_TXCTL 0x00 -#define BCM43xx_DMA64_TXENABLE 0x00000001 -#define BCM43xx_DMA64_TXSUSPEND 0x00000002 -#define BCM43xx_DMA64_TXLOOPBACK 0x00000004 -#define BCM43xx_DMA64_TXFLUSH 0x00000010 -#define BCM43xx_DMA64_TXADDREXT_MASK 0x00030000 -#define BCM43xx_DMA64_TXADDREXT_SHIFT 16 -#define BCM43xx_DMA64_TXINDEX 0x04 -#define BCM43xx_DMA64_TXRINGLO 0x08 -#define BCM43xx_DMA64_TXRINGHI 0x0C -#define BCM43xx_DMA64_TXSTATUS 0x10 -#define BCM43xx_DMA64_TXSTATDPTR 0x00001FFF -#define BCM43xx_DMA64_TXSTAT 0xF0000000 -#define BCM43xx_DMA64_TXSTAT_DISABLED 0x00000000 -#define BCM43xx_DMA64_TXSTAT_ACTIVE 0x10000000 -#define BCM43xx_DMA64_TXSTAT_IDLEWAIT 0x20000000 -#define BCM43xx_DMA64_TXSTAT_STOPPED 0x30000000 -#define BCM43xx_DMA64_TXSTAT_SUSP 0x40000000 -#define BCM43xx_DMA64_TXERROR 0x14 -#define BCM43xx_DMA64_TXERRDPTR 0x0001FFFF -#define BCM43xx_DMA64_TXERR 0xF0000000 -#define BCM43xx_DMA64_TXERR_NOERR 0x00000000 -#define BCM43xx_DMA64_TXERR_PROT 0x10000000 -#define BCM43xx_DMA64_TXERR_UNDERRUN 0x20000000 -#define BCM43xx_DMA64_TXERR_TRANSFER 0x30000000 -#define BCM43xx_DMA64_TXERR_DESCREAD 0x40000000 -#define BCM43xx_DMA64_TXERR_CORE 0x50000000 -#define BCM43xx_DMA64_RXCTL 0x20 -#define BCM43xx_DMA64_RXENABLE 0x00000001 -#define BCM43xx_DMA64_RXFROFF_MASK 0x000000FE -#define BCM43xx_DMA64_RXFROFF_SHIFT 1 -#define BCM43xx_DMA64_RXDIRECTFIFO 0x00000100 -#define BCM43xx_DMA64_RXADDREXT_MASK 0x00030000 -#define BCM43xx_DMA64_RXADDREXT_SHIFT 16 -#define BCM43xx_DMA64_RXINDEX 0x24 -#define BCM43xx_DMA64_RXRINGLO 0x28 -#define BCM43xx_DMA64_RXRINGHI 0x2C -#define BCM43xx_DMA64_RXSTATUS 0x30 -#define BCM43xx_DMA64_RXSTATDPTR 0x00001FFF -#define BCM43xx_DMA64_RXSTAT 0xF0000000 -#define BCM43xx_DMA64_RXSTAT_DISABLED 0x00000000 -#define BCM43xx_DMA64_RXSTAT_ACTIVE 0x10000000 -#define BCM43xx_DMA64_RXSTAT_IDLEWAIT 0x20000000 -#define BCM43xx_DMA64_RXSTAT_STOPPED 0x30000000 -#define BCM43xx_DMA64_RXSTAT_SUSP 0x40000000 -#define BCM43xx_DMA64_RXERROR 0x34 -#define BCM43xx_DMA64_RXERRDPTR 0x0001FFFF -#define BCM43xx_DMA64_RXERR 0xF0000000 -#define BCM43xx_DMA64_RXERR_NOERR 0x00000000 -#define BCM43xx_DMA64_RXERR_PROT 0x10000000 -#define BCM43xx_DMA64_RXERR_UNDERRUN 0x20000000 -#define BCM43xx_DMA64_RXERR_TRANSFER 0x30000000 -#define BCM43xx_DMA64_RXERR_DESCREAD 0x40000000 -#define BCM43xx_DMA64_RXERR_CORE 0x50000000 - -/* 64-bit DMA descriptor. */ -struct bcm43xx_dmadesc64 { - __le32 control0; - __le32 control1; - __le32 address_low; - __le32 address_high; -} __attribute__((__packed__)); -#define BCM43xx_DMA64_DCTL0_DTABLEEND 0x10000000 -#define BCM43xx_DMA64_DCTL0_IRQ 0x20000000 -#define BCM43xx_DMA64_DCTL0_FRAMEEND 0x40000000 -#define BCM43xx_DMA64_DCTL0_FRAMESTART 0x80000000 -#define BCM43xx_DMA64_DCTL1_BYTECNT 0x00001FFF -#define BCM43xx_DMA64_DCTL1_ADDREXT_MASK 0x00030000 -#define BCM43xx_DMA64_DCTL1_ADDREXT_SHIFT 16 - -/* Address field Routing value. */ -#define BCM43xx_DMA64_ROUTING 0xC0000000 -#define BCM43xx_DMA64_ROUTING_SHIFT 30 -#define BCM43xx_DMA64_NOTRANS 0x00000000 -#define BCM43xx_DMA64_CLIENTTRANS 0x80000000 - - - -struct bcm43xx_dmadesc_generic { - union { - struct bcm43xx_dmadesc32 dma32; - struct bcm43xx_dmadesc64 dma64; - } __attribute__((__packed__)); -} __attribute__((__packed__)); - - -/* Misc DMA constants */ -#define BCM43xx_DMA_RINGMEMSIZE PAGE_SIZE -#define BCM43xx_DMA0_RX_FRAMEOFFSET 30 -#define BCM43xx_DMA3_RX_FRAMEOFFSET 0 - - -/* DMA engine tuning knobs */ -#define BCM43xx_TXRING_SLOTS 512 -#define BCM43xx_RXRING_SLOTS 64 -#define BCM43xx_DMA0_RX_BUFFERSIZE (2304 + 100) -#define BCM43xx_DMA3_RX_BUFFERSIZE 16 -/* Suspend the tx queue, if less than this percent slots are free. */ -#define BCM43xx_TXSUSPEND_PERCENT 20 -/* Resume the tx queue, if more than this percent slots are free. */ -#define BCM43xx_TXRESUME_PERCENT 50 - - - -#ifdef CONFIG_BCM43XX_DMA - - -struct sk_buff; -struct bcm43xx_private; -struct bcm43xx_xmitstatus; - - -struct bcm43xx_dmadesc_meta { - /* The kernel DMA-able buffer. */ - struct sk_buff *skb; - /* DMA base bus-address of the descriptor buffer. */ - dma_addr_t dmaaddr; -}; - -struct bcm43xx_dmaring { - /* Kernel virtual base address of the ring memory. */ - void *descbase; - /* Meta data about all descriptors. */ - struct bcm43xx_dmadesc_meta *meta; - /* DMA Routing value. */ - u32 routing; - /* (Unadjusted) DMA base bus-address of the ring memory. */ - dma_addr_t dmabase; - /* Number of descriptor slots in the ring. */ - int nr_slots; - /* Number of used descriptor slots. */ - int used_slots; - /* Currently used slot in the ring. */ - int current_slot; - /* Marks to suspend/resume the queue. */ - int suspend_mark; - int resume_mark; - /* Frameoffset in octets. */ - u32 frameoffset; - /* Descriptor buffer size. */ - u16 rx_buffersize; - /* The MMIO base register of the DMA controller. */ - u16 mmio_base; - /* DMA controller index number (0-5). */ - int index; - /* Boolean. Is this a TX ring? */ - u8 tx; - /* Boolean. 64bit DMA if true, 32bit DMA otherwise. */ - u8 dma64; - /* Boolean. Are transfers suspended on this ring? */ - u8 suspended; - struct bcm43xx_private *bcm; -#ifdef CONFIG_BCM43XX_DEBUG - /* Maximum number of used slots. */ - int max_used_slots; -#endif /* CONFIG_BCM43XX_DEBUG*/ -}; - - -static inline -int bcm43xx_dma_desc2idx(struct bcm43xx_dmaring *ring, - struct bcm43xx_dmadesc_generic *desc) -{ - if (ring->dma64) { - struct bcm43xx_dmadesc64 *dd64 = ring->descbase; - return (int)(&(desc->dma64) - dd64); - } else { - struct bcm43xx_dmadesc32 *dd32 = ring->descbase; - return (int)(&(desc->dma32) - dd32); - } -} - -static inline -struct bcm43xx_dmadesc_generic * bcm43xx_dma_idx2desc(struct bcm43xx_dmaring *ring, - int slot, - struct bcm43xx_dmadesc_meta **meta) -{ - *meta = &(ring->meta[slot]); - if (ring->dma64) { - struct bcm43xx_dmadesc64 *dd64 = ring->descbase; - return (struct bcm43xx_dmadesc_generic *)(&(dd64[slot])); - } else { - struct bcm43xx_dmadesc32 *dd32 = ring->descbase; - return (struct bcm43xx_dmadesc_generic *)(&(dd32[slot])); - } -} - -static inline -u32 bcm43xx_dma_read(struct bcm43xx_dmaring *ring, - u16 offset) -{ - return bcm43xx_read32(ring->bcm, ring->mmio_base + offset); -} - -static inline -void bcm43xx_dma_write(struct bcm43xx_dmaring *ring, - u16 offset, u32 value) -{ - bcm43xx_write32(ring->bcm, ring->mmio_base + offset, value); -} - - -int bcm43xx_dma_init(struct bcm43xx_private *bcm); -void bcm43xx_dma_free(struct bcm43xx_private *bcm); - -int bcm43xx_dmacontroller_rx_reset(struct bcm43xx_private *bcm, - u16 dmacontroller_mmio_base, - int dma64); -int bcm43xx_dmacontroller_tx_reset(struct bcm43xx_private *bcm, - u16 dmacontroller_mmio_base, - int dma64); - -u16 bcm43xx_dmacontroller_base(int dma64bit, int dmacontroller_idx); - -void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring); -void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring); - -void bcm43xx_dma_handle_xmitstatus(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status); - -int bcm43xx_dma_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb); -void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring); - -/* Helper function that returns the dma mask for this device. */ -static inline -u64 bcm43xx_get_supported_dma_mask(struct bcm43xx_private *bcm) -{ - int dma64 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH) & - BCM43xx_SBTMSTATEHIGH_DMA64BIT; - u16 mmio_base = bcm43xx_dmacontroller_base(dma64, 0); - u32 mask = BCM43xx_DMA32_TXADDREXT_MASK; - - if (dma64) - return DMA_64BIT_MASK; - bcm43xx_write32(bcm, mmio_base + BCM43xx_DMA32_TXCTL, mask); - if (bcm43xx_read32(bcm, mmio_base + BCM43xx_DMA32_TXCTL) & mask) - return DMA_32BIT_MASK; - return DMA_30BIT_MASK; -} - -#else /* CONFIG_BCM43XX_DMA */ - - -static inline -int bcm43xx_dma_init(struct bcm43xx_private *bcm) -{ - return 0; -} -static inline -void bcm43xx_dma_free(struct bcm43xx_private *bcm) -{ -} -static inline -int bcm43xx_dmacontroller_rx_reset(struct bcm43xx_private *bcm, - u16 dmacontroller_mmio_base, - int dma64) -{ - return 0; -} -static inline -int bcm43xx_dmacontroller_tx_reset(struct bcm43xx_private *bcm, - u16 dmacontroller_mmio_base, - int dma64) -{ - return 0; -} -static inline -int bcm43xx_dma_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb) -{ - return 0; -} -static inline -void bcm43xx_dma_handle_xmitstatus(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status) -{ -} -static inline -void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring) -{ -} -static inline -void bcm43xx_dma_tx_suspend(struct bcm43xx_dmaring *ring) -{ -} -static inline -void bcm43xx_dma_tx_resume(struct bcm43xx_dmaring *ring) -{ -} - -#endif /* CONFIG_BCM43XX_DMA */ -#endif /* BCM43xx_DMA_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c b/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c deleted file mode 100644 index d2df6a0100a1..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - ethtool support - - Copyright (c) 2006 Jason Lunz <lunz@falooley.org> - - Some code in this file is derived from the 8139too.c driver - Copyright (C) 2002 Jeff Garzik - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx.h" -#include "bcm43xx_ethtool.h" - -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <linux/string.h> -#include <linux/utsname.h> - - -static void bcm43xx_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(dev); - - strncpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); - strncpy(info->version, utsname()->release, sizeof(info->version)); - strncpy(info->bus_info, pci_name(bcm->pci_dev), ETHTOOL_BUSINFO_LEN); -} - -const struct ethtool_ops bcm43xx_ethtool_ops = { - .get_drvinfo = bcm43xx_get_drvinfo, - .get_link = ethtool_op_get_link, -}; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.h b/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.h deleted file mode 100644 index 6f8d42d3cdf5..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_ethtool.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef BCM43xx_ETHTOOL_H_ -#define BCM43xx_ETHTOOL_H_ - -#include <linux/ethtool.h> - -extern const struct ethtool_ops bcm43xx_ethtool_ops; - -#endif /* BCM43xx_ETHTOOL_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ilt.c b/drivers/net/wireless/bcm43xx/bcm43xx_ilt.c deleted file mode 100644 index f2b8dbac55a4..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_ilt.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx.h" -#include "bcm43xx_ilt.h" -#include "bcm43xx_phy.h" - - -/**** Initial Internal Lookup Tables ****/ - -const u32 bcm43xx_ilt_rotor[BCM43xx_ILT_ROTOR_SIZE] = { - 0xFEB93FFD, 0xFEC63FFD, /* 0 */ - 0xFED23FFD, 0xFEDF3FFD, - 0xFEEC3FFE, 0xFEF83FFE, - 0xFF053FFE, 0xFF113FFE, - 0xFF1E3FFE, 0xFF2A3FFF, /* 8 */ - 0xFF373FFF, 0xFF443FFF, - 0xFF503FFF, 0xFF5D3FFF, - 0xFF693FFF, 0xFF763FFF, - 0xFF824000, 0xFF8F4000, /* 16 */ - 0xFF9B4000, 0xFFA84000, - 0xFFB54000, 0xFFC14000, - 0xFFCE4000, 0xFFDA4000, - 0xFFE74000, 0xFFF34000, /* 24 */ - 0x00004000, 0x000D4000, - 0x00194000, 0x00264000, - 0x00324000, 0x003F4000, - 0x004B4000, 0x00584000, /* 32 */ - 0x00654000, 0x00714000, - 0x007E4000, 0x008A3FFF, - 0x00973FFF, 0x00A33FFF, - 0x00B03FFF, 0x00BC3FFF, /* 40 */ - 0x00C93FFF, 0x00D63FFF, - 0x00E23FFE, 0x00EF3FFE, - 0x00FB3FFE, 0x01083FFE, - 0x01143FFE, 0x01213FFD, /* 48 */ - 0x012E3FFD, 0x013A3FFD, - 0x01473FFD, -}; - -const u32 bcm43xx_ilt_retard[BCM43xx_ILT_RETARD_SIZE] = { - 0xDB93CB87, 0xD666CF64, /* 0 */ - 0xD1FDD358, 0xCDA6D826, - 0xCA38DD9F, 0xC729E2B4, - 0xC469E88E, 0xC26AEE2B, - 0xC0DEF46C, 0xC073FA62, /* 8 */ - 0xC01D00D5, 0xC0760743, - 0xC1560D1E, 0xC2E51369, - 0xC4ED18FF, 0xC7AC1ED7, - 0xCB2823B2, 0xCEFA28D9, /* 16 */ - 0xD2F62D3F, 0xD7BB3197, - 0xDCE53568, 0xE1FE3875, - 0xE7D13B35, 0xED663D35, - 0xF39B3EC4, 0xF98E3FA7, /* 24 */ - 0x00004000, 0x06723FA7, - 0x0C653EC4, 0x129A3D35, - 0x182F3B35, 0x1E023875, - 0x231B3568, 0x28453197, /* 32 */ - 0x2D0A2D3F, 0x310628D9, - 0x34D823B2, 0x38541ED7, - 0x3B1318FF, 0x3D1B1369, - 0x3EAA0D1E, 0x3F8A0743, /* 40 */ - 0x3FE300D5, 0x3F8DFA62, - 0x3F22F46C, 0x3D96EE2B, - 0x3B97E88E, 0x38D7E2B4, - 0x35C8DD9F, 0x325AD826, /* 48 */ - 0x2E03D358, 0x299ACF64, - 0x246DCB87, -}; - -const u16 bcm43xx_ilt_finefreqa[BCM43xx_ILT_FINEFREQA_SIZE] = { - 0x0082, 0x0082, 0x0102, 0x0182, /* 0 */ - 0x0202, 0x0282, 0x0302, 0x0382, - 0x0402, 0x0482, 0x0502, 0x0582, - 0x05E2, 0x0662, 0x06E2, 0x0762, - 0x07E2, 0x0842, 0x08C2, 0x0942, /* 16 */ - 0x09C2, 0x0A22, 0x0AA2, 0x0B02, - 0x0B82, 0x0BE2, 0x0C62, 0x0CC2, - 0x0D42, 0x0DA2, 0x0E02, 0x0E62, - 0x0EE2, 0x0F42, 0x0FA2, 0x1002, /* 32 */ - 0x1062, 0x10C2, 0x1122, 0x1182, - 0x11E2, 0x1242, 0x12A2, 0x12E2, - 0x1342, 0x13A2, 0x1402, 0x1442, - 0x14A2, 0x14E2, 0x1542, 0x1582, /* 48 */ - 0x15E2, 0x1622, 0x1662, 0x16C1, - 0x1701, 0x1741, 0x1781, 0x17E1, - 0x1821, 0x1861, 0x18A1, 0x18E1, - 0x1921, 0x1961, 0x19A1, 0x19E1, /* 64 */ - 0x1A21, 0x1A61, 0x1AA1, 0x1AC1, - 0x1B01, 0x1B41, 0x1B81, 0x1BA1, - 0x1BE1, 0x1C21, 0x1C41, 0x1C81, - 0x1CA1, 0x1CE1, 0x1D01, 0x1D41, /* 80 */ - 0x1D61, 0x1DA1, 0x1DC1, 0x1E01, - 0x1E21, 0x1E61, 0x1E81, 0x1EA1, - 0x1EE1, 0x1F01, 0x1F21, 0x1F41, - 0x1F81, 0x1FA1, 0x1FC1, 0x1FE1, /* 96 */ - 0x2001, 0x2041, 0x2061, 0x2081, - 0x20A1, 0x20C1, 0x20E1, 0x2101, - 0x2121, 0x2141, 0x2161, 0x2181, - 0x21A1, 0x21C1, 0x21E1, 0x2201, /* 112 */ - 0x2221, 0x2241, 0x2261, 0x2281, - 0x22A1, 0x22C1, 0x22C1, 0x22E1, - 0x2301, 0x2321, 0x2341, 0x2361, - 0x2361, 0x2381, 0x23A1, 0x23C1, /* 128 */ - 0x23E1, 0x23E1, 0x2401, 0x2421, - 0x2441, 0x2441, 0x2461, 0x2481, - 0x2481, 0x24A1, 0x24C1, 0x24C1, - 0x24E1, 0x2501, 0x2501, 0x2521, /* 144 */ - 0x2541, 0x2541, 0x2561, 0x2561, - 0x2581, 0x25A1, 0x25A1, 0x25C1, - 0x25C1, 0x25E1, 0x2601, 0x2601, - 0x2621, 0x2621, 0x2641, 0x2641, /* 160 */ - 0x2661, 0x2661, 0x2681, 0x2681, - 0x26A1, 0x26A1, 0x26C1, 0x26C1, - 0x26E1, 0x26E1, 0x2701, 0x2701, - 0x2721, 0x2721, 0x2740, 0x2740, /* 176 */ - 0x2760, 0x2760, 0x2780, 0x2780, - 0x2780, 0x27A0, 0x27A0, 0x27C0, - 0x27C0, 0x27E0, 0x27E0, 0x27E0, - 0x2800, 0x2800, 0x2820, 0x2820, /* 192 */ - 0x2820, 0x2840, 0x2840, 0x2840, - 0x2860, 0x2860, 0x2880, 0x2880, - 0x2880, 0x28A0, 0x28A0, 0x28A0, - 0x28C0, 0x28C0, 0x28C0, 0x28E0, /* 208 */ - 0x28E0, 0x28E0, 0x2900, 0x2900, - 0x2900, 0x2920, 0x2920, 0x2920, - 0x2940, 0x2940, 0x2940, 0x2960, - 0x2960, 0x2960, 0x2960, 0x2980, /* 224 */ - 0x2980, 0x2980, 0x29A0, 0x29A0, - 0x29A0, 0x29A0, 0x29C0, 0x29C0, - 0x29C0, 0x29E0, 0x29E0, 0x29E0, - 0x29E0, 0x2A00, 0x2A00, 0x2A00, /* 240 */ - 0x2A00, 0x2A20, 0x2A20, 0x2A20, - 0x2A20, 0x2A40, 0x2A40, 0x2A40, - 0x2A40, 0x2A60, 0x2A60, 0x2A60, -}; - -const u16 bcm43xx_ilt_finefreqg[BCM43xx_ILT_FINEFREQG_SIZE] = { - 0x0089, 0x02E9, 0x0409, 0x04E9, /* 0 */ - 0x05A9, 0x0669, 0x0709, 0x0789, - 0x0829, 0x08A9, 0x0929, 0x0989, - 0x0A09, 0x0A69, 0x0AC9, 0x0B29, - 0x0BA9, 0x0BE9, 0x0C49, 0x0CA9, /* 16 */ - 0x0D09, 0x0D69, 0x0DA9, 0x0E09, - 0x0E69, 0x0EA9, 0x0F09, 0x0F49, - 0x0FA9, 0x0FE9, 0x1029, 0x1089, - 0x10C9, 0x1109, 0x1169, 0x11A9, /* 32 */ - 0x11E9, 0x1229, 0x1289, 0x12C9, - 0x1309, 0x1349, 0x1389, 0x13C9, - 0x1409, 0x1449, 0x14A9, 0x14E9, - 0x1529, 0x1569, 0x15A9, 0x15E9, /* 48 */ - 0x1629, 0x1669, 0x16A9, 0x16E8, - 0x1728, 0x1768, 0x17A8, 0x17E8, - 0x1828, 0x1868, 0x18A8, 0x18E8, - 0x1928, 0x1968, 0x19A8, 0x19E8, /* 64 */ - 0x1A28, 0x1A68, 0x1AA8, 0x1AE8, - 0x1B28, 0x1B68, 0x1BA8, 0x1BE8, - 0x1C28, 0x1C68, 0x1CA8, 0x1CE8, - 0x1D28, 0x1D68, 0x1DC8, 0x1E08, /* 80 */ - 0x1E48, 0x1E88, 0x1EC8, 0x1F08, - 0x1F48, 0x1F88, 0x1FE8, 0x2028, - 0x2068, 0x20A8, 0x2108, 0x2148, - 0x2188, 0x21C8, 0x2228, 0x2268, /* 96 */ - 0x22C8, 0x2308, 0x2348, 0x23A8, - 0x23E8, 0x2448, 0x24A8, 0x24E8, - 0x2548, 0x25A8, 0x2608, 0x2668, - 0x26C8, 0x2728, 0x2787, 0x27E7, /* 112 */ - 0x2847, 0x28C7, 0x2947, 0x29A7, - 0x2A27, 0x2AC7, 0x2B47, 0x2BE7, - 0x2CA7, 0x2D67, 0x2E47, 0x2F67, - 0x3247, 0x3526, 0x3646, 0x3726, /* 128 */ - 0x3806, 0x38A6, 0x3946, 0x39E6, - 0x3A66, 0x3AE6, 0x3B66, 0x3BC6, - 0x3C45, 0x3CA5, 0x3D05, 0x3D85, - 0x3DE5, 0x3E45, 0x3EA5, 0x3EE5, /* 144 */ - 0x3F45, 0x3FA5, 0x4005, 0x4045, - 0x40A5, 0x40E5, 0x4145, 0x4185, - 0x41E5, 0x4225, 0x4265, 0x42C5, - 0x4305, 0x4345, 0x43A5, 0x43E5, /* 160 */ - 0x4424, 0x4464, 0x44C4, 0x4504, - 0x4544, 0x4584, 0x45C4, 0x4604, - 0x4644, 0x46A4, 0x46E4, 0x4724, - 0x4764, 0x47A4, 0x47E4, 0x4824, /* 176 */ - 0x4864, 0x48A4, 0x48E4, 0x4924, - 0x4964, 0x49A4, 0x49E4, 0x4A24, - 0x4A64, 0x4AA4, 0x4AE4, 0x4B23, - 0x4B63, 0x4BA3, 0x4BE3, 0x4C23, /* 192 */ - 0x4C63, 0x4CA3, 0x4CE3, 0x4D23, - 0x4D63, 0x4DA3, 0x4DE3, 0x4E23, - 0x4E63, 0x4EA3, 0x4EE3, 0x4F23, - 0x4F63, 0x4FC3, 0x5003, 0x5043, /* 208 */ - 0x5083, 0x50C3, 0x5103, 0x5143, - 0x5183, 0x51E2, 0x5222, 0x5262, - 0x52A2, 0x52E2, 0x5342, 0x5382, - 0x53C2, 0x5402, 0x5462, 0x54A2, /* 224 */ - 0x5502, 0x5542, 0x55A2, 0x55E2, - 0x5642, 0x5682, 0x56E2, 0x5722, - 0x5782, 0x57E1, 0x5841, 0x58A1, - 0x5901, 0x5961, 0x59C1, 0x5A21, /* 240 */ - 0x5AA1, 0x5B01, 0x5B81, 0x5BE1, - 0x5C61, 0x5D01, 0x5D80, 0x5E20, - 0x5EE0, 0x5FA0, 0x6080, 0x61C0, -}; - -const u16 bcm43xx_ilt_noisea2[BCM43xx_ILT_NOISEA2_SIZE] = { - 0x0001, 0x0001, 0x0001, 0xFFFE, - 0xFFFE, 0x3FFF, 0x1000, 0x0393, -}; - -const u16 bcm43xx_ilt_noisea3[BCM43xx_ILT_NOISEA3_SIZE] = { - 0x4C4C, 0x4C4C, 0x4C4C, 0x2D36, - 0x4C4C, 0x4C4C, 0x4C4C, 0x2D36, -}; - -const u16 bcm43xx_ilt_noiseg1[BCM43xx_ILT_NOISEG1_SIZE] = { - 0x013C, 0x01F5, 0x031A, 0x0631, - 0x0001, 0x0001, 0x0001, 0x0001, -}; - -const u16 bcm43xx_ilt_noiseg2[BCM43xx_ILT_NOISEG2_SIZE] = { - 0x5484, 0x3C40, 0x0000, 0x0000, - 0x0000, 0x0000, 0x0000, 0x0000, -}; - -const u16 bcm43xx_ilt_noisescaleg1[BCM43xx_ILT_NOISESCALEG_SIZE] = { - 0x6C77, 0x5162, 0x3B40, 0x3335, /* 0 */ - 0x2F2D, 0x2A2A, 0x2527, 0x1F21, - 0x1A1D, 0x1719, 0x1616, 0x1414, - 0x1414, 0x1400, 0x1414, 0x1614, - 0x1716, 0x1A19, 0x1F1D, 0x2521, /* 16 */ - 0x2A27, 0x2F2A, 0x332D, 0x3B35, - 0x5140, 0x6C62, 0x0077, -}; - -const u16 bcm43xx_ilt_noisescaleg2[BCM43xx_ILT_NOISESCALEG_SIZE] = { - 0xD8DD, 0xCBD4, 0xBCC0, 0XB6B7, /* 0 */ - 0xB2B0, 0xADAD, 0xA7A9, 0x9FA1, - 0x969B, 0x9195, 0x8F8F, 0x8A8A, - 0x8A8A, 0x8A00, 0x8A8A, 0x8F8A, - 0x918F, 0x9695, 0x9F9B, 0xA7A1, /* 16 */ - 0xADA9, 0xB2AD, 0xB6B0, 0xBCB7, - 0xCBC0, 0xD8D4, 0x00DD, -}; - -const u16 bcm43xx_ilt_noisescaleg3[BCM43xx_ILT_NOISESCALEG_SIZE] = { - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 0 */ - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA400, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, /* 16 */ - 0xA4A4, 0xA4A4, 0xA4A4, 0xA4A4, - 0xA4A4, 0xA4A4, 0x00A4, -}; - -const u16 bcm43xx_ilt_sigmasqr1[BCM43xx_ILT_SIGMASQR_SIZE] = { - 0x007A, 0x0075, 0x0071, 0x006C, /* 0 */ - 0x0067, 0x0063, 0x005E, 0x0059, - 0x0054, 0x0050, 0x004B, 0x0046, - 0x0042, 0x003D, 0x003D, 0x003D, - 0x003D, 0x003D, 0x003D, 0x003D, /* 16 */ - 0x003D, 0x003D, 0x003D, 0x003D, - 0x003D, 0x003D, 0x0000, 0x003D, - 0x003D, 0x003D, 0x003D, 0x003D, - 0x003D, 0x003D, 0x003D, 0x003D, /* 32 */ - 0x003D, 0x003D, 0x003D, 0x003D, - 0x0042, 0x0046, 0x004B, 0x0050, - 0x0054, 0x0059, 0x005E, 0x0063, - 0x0067, 0x006C, 0x0071, 0x0075, /* 48 */ - 0x007A, -}; - -const u16 bcm43xx_ilt_sigmasqr2[BCM43xx_ILT_SIGMASQR_SIZE] = { - 0x00DE, 0x00DC, 0x00DA, 0x00D8, /* 0 */ - 0x00D6, 0x00D4, 0x00D2, 0x00CF, - 0x00CD, 0x00CA, 0x00C7, 0x00C4, - 0x00C1, 0x00BE, 0x00BE, 0x00BE, - 0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 16 */ - 0x00BE, 0x00BE, 0x00BE, 0x00BE, - 0x00BE, 0x00BE, 0x0000, 0x00BE, - 0x00BE, 0x00BE, 0x00BE, 0x00BE, - 0x00BE, 0x00BE, 0x00BE, 0x00BE, /* 32 */ - 0x00BE, 0x00BE, 0x00BE, 0x00BE, - 0x00C1, 0x00C4, 0x00C7, 0x00CA, - 0x00CD, 0x00CF, 0x00D2, 0x00D4, - 0x00D6, 0x00D8, 0x00DA, 0x00DC, /* 48 */ - 0x00DE, -}; - -/**** Helper functions to access the device Internal Lookup Tables ****/ - -void bcm43xx_ilt_write(struct bcm43xx_private *bcm, u16 offset, u16 val) -{ - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) { - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, offset); - mmiowb(); - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, val); - } else { - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_CTRL, offset); - mmiowb(); - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_DATA1, val); - } -} - -void bcm43xx_ilt_write32(struct bcm43xx_private *bcm, u16 offset, u32 val) -{ - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) { - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, offset); - mmiowb(); - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA2, (val & 0xFFFF0000) >> 16); - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, val & 0x0000FFFF); - } else { - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_CTRL, offset); - mmiowb(); - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_DATA2, (val & 0xFFFF0000) >> 16); - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_DATA1, val & 0x0000FFFF); - } -} - -u16 bcm43xx_ilt_read(struct bcm43xx_private *bcm, u16 offset) -{ - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) { - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, offset); - return bcm43xx_phy_read(bcm, BCM43xx_PHY_ILT_A_DATA1); - } else { - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_G_CTRL, offset); - return bcm43xx_phy_read(bcm, BCM43xx_PHY_ILT_G_DATA1); - } -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_ilt.h b/drivers/net/wireless/bcm43xx/bcm43xx_ilt.h deleted file mode 100644 index d7eaf5f25b7f..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_ilt.h +++ /dev/null @@ -1,33 +0,0 @@ -#ifndef BCM43xx_ILT_H_ -#define BCM43xx_ILT_H_ - -#define BCM43xx_ILT_ROTOR_SIZE 53 -extern const u32 bcm43xx_ilt_rotor[BCM43xx_ILT_ROTOR_SIZE]; -#define BCM43xx_ILT_RETARD_SIZE 53 -extern const u32 bcm43xx_ilt_retard[BCM43xx_ILT_RETARD_SIZE]; -#define BCM43xx_ILT_FINEFREQA_SIZE 256 -extern const u16 bcm43xx_ilt_finefreqa[BCM43xx_ILT_FINEFREQA_SIZE]; -#define BCM43xx_ILT_FINEFREQG_SIZE 256 -extern const u16 bcm43xx_ilt_finefreqg[BCM43xx_ILT_FINEFREQG_SIZE]; -#define BCM43xx_ILT_NOISEA2_SIZE 8 -extern const u16 bcm43xx_ilt_noisea2[BCM43xx_ILT_NOISEA2_SIZE]; -#define BCM43xx_ILT_NOISEA3_SIZE 8 -extern const u16 bcm43xx_ilt_noisea3[BCM43xx_ILT_NOISEA3_SIZE]; -#define BCM43xx_ILT_NOISEG1_SIZE 8 -extern const u16 bcm43xx_ilt_noiseg1[BCM43xx_ILT_NOISEG1_SIZE]; -#define BCM43xx_ILT_NOISEG2_SIZE 8 -extern const u16 bcm43xx_ilt_noiseg2[BCM43xx_ILT_NOISEG2_SIZE]; -#define BCM43xx_ILT_NOISESCALEG_SIZE 27 -extern const u16 bcm43xx_ilt_noisescaleg1[BCM43xx_ILT_NOISESCALEG_SIZE]; -extern const u16 bcm43xx_ilt_noisescaleg2[BCM43xx_ILT_NOISESCALEG_SIZE]; -extern const u16 bcm43xx_ilt_noisescaleg3[BCM43xx_ILT_NOISESCALEG_SIZE]; -#define BCM43xx_ILT_SIGMASQR_SIZE 53 -extern const u16 bcm43xx_ilt_sigmasqr1[BCM43xx_ILT_SIGMASQR_SIZE]; -extern const u16 bcm43xx_ilt_sigmasqr2[BCM43xx_ILT_SIGMASQR_SIZE]; - - -void bcm43xx_ilt_write(struct bcm43xx_private *bcm, u16 offset, u16 val); -void bcm43xx_ilt_write32(struct bcm43xx_private *bcm, u16 offset, u32 val); -u16 bcm43xx_ilt_read(struct bcm43xx_private *bcm, u16 offset); - -#endif /* BCM43xx_ILT_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c deleted file mode 100644 index cb51dc51cce6..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx_leds.h" -#include "bcm43xx_radio.h" -#include "bcm43xx.h" - -#include <linux/bitops.h> - - -static void bcm43xx_led_changestate(struct bcm43xx_led *led) -{ - struct bcm43xx_private *bcm = led->bcm; - const int index = bcm43xx_led_index(led); - const u16 mask = (1 << index); - u16 ledctl; - - assert(index >= 0 && index < BCM43xx_NR_LEDS); - assert(led->blink_interval); - ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); - ledctl = (ledctl & mask) ? (ledctl & ~mask) : (ledctl | mask); - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); -} - -static void bcm43xx_led_blink(unsigned long d) -{ - struct bcm43xx_led *led = (struct bcm43xx_led *)d; - struct bcm43xx_private *bcm = led->bcm; - unsigned long flags; - - spin_lock_irqsave(&bcm->leds_lock, flags); - if (led->blink_interval) { - bcm43xx_led_changestate(led); - mod_timer(&led->blink_timer, jiffies + led->blink_interval); - } - spin_unlock_irqrestore(&bcm->leds_lock, flags); -} - -static void bcm43xx_led_blink_start(struct bcm43xx_led *led, - unsigned long interval) -{ - if (led->blink_interval) - return; - led->blink_interval = interval; - bcm43xx_led_changestate(led); - led->blink_timer.expires = jiffies + interval; - add_timer(&led->blink_timer); -} - -static void bcm43xx_led_blink_stop(struct bcm43xx_led *led, int sync) -{ - struct bcm43xx_private *bcm = led->bcm; - const int index = bcm43xx_led_index(led); - u16 ledctl; - - if (!led->blink_interval) - return; - if (unlikely(sync)) - del_timer_sync(&led->blink_timer); - else - del_timer(&led->blink_timer); - led->blink_interval = 0; - - /* Make sure the LED is turned off. */ - assert(index >= 0 && index < BCM43xx_NR_LEDS); - ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); - if (led->activelow) - ledctl |= (1 << index); - else - ledctl &= ~(1 << index); - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); -} - -static void bcm43xx_led_init_hardcoded(struct bcm43xx_private *bcm, - struct bcm43xx_led *led, - int led_index) -{ - /* This function is called, if the behaviour (and activelow) - * information for a LED is missing in the SPROM. - * We hardcode the behaviour values for various devices here. - * Note that the BCM43xx_LED_TEST_XXX behaviour values can - * be used to figure out which led is mapped to which index. - */ - - switch (led_index) { - case 0: - led->behaviour = BCM43xx_LED_ACTIVITY; - led->activelow = 1; - if (bcm->board_vendor == PCI_VENDOR_ID_COMPAQ) - led->behaviour = BCM43xx_LED_RADIO_ALL; - break; - case 1: - led->behaviour = BCM43xx_LED_RADIO_B; - if (bcm->board_vendor == PCI_VENDOR_ID_ASUSTEK) - led->behaviour = BCM43xx_LED_ASSOC; - break; - case 2: - led->behaviour = BCM43xx_LED_RADIO_A; - break; - case 3: - led->behaviour = BCM43xx_LED_OFF; - break; - default: - assert(0); - } -} - -int bcm43xx_leds_init(struct bcm43xx_private *bcm) -{ - struct bcm43xx_led *led; - u8 sprom[4]; - int i; - - sprom[0] = bcm->sprom.wl0gpio0; - sprom[1] = bcm->sprom.wl0gpio1; - sprom[2] = bcm->sprom.wl0gpio2; - sprom[3] = bcm->sprom.wl0gpio3; - - for (i = 0; i < BCM43xx_NR_LEDS; i++) { - led = &(bcm->leds[i]); - led->bcm = bcm; - setup_timer(&led->blink_timer, - bcm43xx_led_blink, - (unsigned long)led); - - if (sprom[i] == 0xFF) { - bcm43xx_led_init_hardcoded(bcm, led, i); - } else { - led->behaviour = sprom[i] & BCM43xx_LED_BEHAVIOUR; - led->activelow = !!(sprom[i] & BCM43xx_LED_ACTIVELOW); - } - } - - return 0; -} - -void bcm43xx_leds_exit(struct bcm43xx_private *bcm) -{ - struct bcm43xx_led *led; - int i; - - for (i = 0; i < BCM43xx_NR_LEDS; i++) { - led = &(bcm->leds[i]); - bcm43xx_led_blink_stop(led, 1); - } - bcm43xx_leds_switch_all(bcm, 0); -} - -void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity) -{ - struct bcm43xx_led *led; - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - const int transferring = (jiffies - bcm->stats.last_tx) < BCM43xx_LED_XFER_THRES; - int i, turn_on; - unsigned long interval = 0; - u16 ledctl; - unsigned long flags; - - spin_lock_irqsave(&bcm->leds_lock, flags); - ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); - for (i = 0; i < BCM43xx_NR_LEDS; i++) { - led = &(bcm->leds[i]); - - turn_on = 0; - switch (led->behaviour) { - case BCM43xx_LED_INACTIVE: - continue; - case BCM43xx_LED_OFF: - case BCM43xx_LED_BCM4303_3: - break; - case BCM43xx_LED_ON: - turn_on = 1; - break; - case BCM43xx_LED_ACTIVITY: - case BCM43xx_LED_BCM4303_0: - turn_on = activity; - break; - case BCM43xx_LED_RADIO_ALL: - turn_on = radio->enabled && bcm43xx_is_hw_radio_enabled(bcm); - break; - case BCM43xx_LED_RADIO_A: - case BCM43xx_LED_BCM4303_2: - turn_on = (radio->enabled && bcm43xx_is_hw_radio_enabled(bcm) && - phy->type == BCM43xx_PHYTYPE_A); - break; - case BCM43xx_LED_RADIO_B: - case BCM43xx_LED_BCM4303_1: - turn_on = (radio->enabled && bcm43xx_is_hw_radio_enabled(bcm) && - (phy->type == BCM43xx_PHYTYPE_B || - phy->type == BCM43xx_PHYTYPE_G)); - break; - case BCM43xx_LED_MODE_BG: - if (phy->type == BCM43xx_PHYTYPE_G && bcm43xx_is_hw_radio_enabled(bcm) && - 1/*FIXME: using G rates.*/) - turn_on = 1; - break; - case BCM43xx_LED_TRANSFER: - if (transferring) - bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM); - else - bcm43xx_led_blink_stop(led, 0); - continue; - case BCM43xx_LED_APTRANSFER: - if (bcm->ieee->iw_mode == IW_MODE_MASTER) { - if (transferring) { - interval = BCM43xx_LEDBLINK_FAST; - turn_on = 1; - } - } else { - turn_on = 1; - if (0/*TODO: not assoc*/) - interval = BCM43xx_LEDBLINK_SLOW; - else if (transferring) - interval = BCM43xx_LEDBLINK_FAST; - else - turn_on = 0; - } - if (turn_on) - bcm43xx_led_blink_start(led, interval); - else - bcm43xx_led_blink_stop(led, 0); - continue; - case BCM43xx_LED_WEIRD: - //TODO - break; - case BCM43xx_LED_ASSOC: - if (bcm->softmac->associnfo.associated) - turn_on = 1; - break; -#ifdef CONFIG_BCM43XX_DEBUG - case BCM43xx_LED_TEST_BLINKSLOW: - bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_SLOW); - continue; - case BCM43xx_LED_TEST_BLINKMEDIUM: - bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_MEDIUM); - continue; - case BCM43xx_LED_TEST_BLINKFAST: - bcm43xx_led_blink_start(led, BCM43xx_LEDBLINK_FAST); - continue; -#endif /* CONFIG_BCM43XX_DEBUG */ - default: - dprintkl(KERN_INFO PFX "Bad value in leds_update," - " led->behaviour: 0x%x\n", led->behaviour); - }; - - if (led->activelow) - turn_on = !turn_on; - if (turn_on) - ledctl |= (1 << i); - else - ledctl &= ~(1 << i); - } - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); - spin_unlock_irqrestore(&bcm->leds_lock, flags); -} - -void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on) -{ - struct bcm43xx_led *led; - u16 ledctl; - int i; - int bit_on; - unsigned long flags; - - spin_lock_irqsave(&bcm->leds_lock, flags); - ledctl = bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_CONTROL); - for (i = 0; i < BCM43xx_NR_LEDS; i++) { - led = &(bcm->leds[i]); - if (led->behaviour == BCM43xx_LED_INACTIVE) - continue; - if (on) - bit_on = led->activelow ? 0 : 1; - else - bit_on = led->activelow ? 1 : 0; - if (bit_on) - ledctl |= (1 << i); - else - ledctl &= ~(1 << i); - } - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_CONTROL, ledctl); - spin_unlock_irqrestore(&bcm->leds_lock, flags); -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.h b/drivers/net/wireless/bcm43xx/bcm43xx_leds.h deleted file mode 100644 index 811e14a81198..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_leds.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef BCM43xx_LEDS_H_ -#define BCM43xx_LEDS_H_ - -#include <linux/types.h> -#include <linux/timer.h> - - -struct bcm43xx_led { - u8 behaviour:7; - u8 activelow:1; - - struct bcm43xx_private *bcm; - struct timer_list blink_timer; - unsigned long blink_interval; -}; -#define bcm43xx_led_index(led) ((int)((led) - (led)->bcm->leds)) - -/* Delay between state changes when blinking in jiffies */ -#define BCM43xx_LEDBLINK_SLOW (HZ / 1) -#define BCM43xx_LEDBLINK_MEDIUM (HZ / 4) -#define BCM43xx_LEDBLINK_FAST (HZ / 8) - -#define BCM43xx_LED_XFER_THRES (HZ / 100) - -#define BCM43xx_LED_BEHAVIOUR 0x7F -#define BCM43xx_LED_ACTIVELOW 0x80 -enum { /* LED behaviour values */ - BCM43xx_LED_OFF, - BCM43xx_LED_ON, - BCM43xx_LED_ACTIVITY, - BCM43xx_LED_RADIO_ALL, - BCM43xx_LED_RADIO_A, - BCM43xx_LED_RADIO_B, - BCM43xx_LED_MODE_BG, - BCM43xx_LED_TRANSFER, - BCM43xx_LED_APTRANSFER, - BCM43xx_LED_WEIRD,//FIXME - BCM43xx_LED_ASSOC, - BCM43xx_LED_INACTIVE, - - /* Behaviour values for testing. - * With these values it is easier to figure out - * the real behaviour of leds, in case the SPROM - * is missing information. - */ - BCM43xx_LED_TEST_BLINKSLOW, - BCM43xx_LED_TEST_BLINKMEDIUM, - BCM43xx_LED_TEST_BLINKFAST, - - /* Misc values for BCM4303 */ - BCM43xx_LED_BCM4303_0 = 0x2B, - BCM43xx_LED_BCM4303_1 = 0x78, - BCM43xx_LED_BCM4303_2 = 0x2E, - BCM43xx_LED_BCM4303_3 = 0x19, -}; - -int bcm43xx_leds_init(struct bcm43xx_private *bcm); -void bcm43xx_leds_exit(struct bcm43xx_private *bcm); -void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity); -void bcm43xx_leds_switch_all(struct bcm43xx_private *bcm, int on); - -#endif /* BCM43xx_LEDS_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c deleted file mode 100644 index b96a325b6ec8..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ /dev/null @@ -1,4281 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/moduleparam.h> -#include <linux/if_arp.h> -#include <linux/etherdevice.h> -#include <linux/version.h> -#include <linux/firmware.h> -#include <linux/wireless.h> -#include <linux/workqueue.h> -#include <linux/skbuff.h> -#include <linux/dma-mapping.h> -#include <net/iw_handler.h> - -#include "bcm43xx.h" -#include "bcm43xx_main.h" -#include "bcm43xx_debugfs.h" -#include "bcm43xx_radio.h" -#include "bcm43xx_phy.h" -#include "bcm43xx_dma.h" -#include "bcm43xx_pio.h" -#include "bcm43xx_power.h" -#include "bcm43xx_wx.h" -#include "bcm43xx_ethtool.h" -#include "bcm43xx_xmit.h" -#include "bcm43xx_sysfs.h" - - -MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver"); -MODULE_AUTHOR("Martin Langer"); -MODULE_AUTHOR("Stefano Brivio"); -MODULE_AUTHOR("Michael Buesch"); -MODULE_LICENSE("GPL"); - -#if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO) -static int modparam_pio; -module_param_named(pio, modparam_pio, int, 0444); -MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode"); -#elif defined(CONFIG_BCM43XX_DMA) -# define modparam_pio 0 -#elif defined(CONFIG_BCM43XX_PIO) -# define modparam_pio 1 -#endif - -static int modparam_bad_frames_preempt; -module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); -MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption"); - -static int modparam_short_retry = BCM43xx_DEFAULT_SHORT_RETRY_LIMIT; -module_param_named(short_retry, modparam_short_retry, int, 0444); -MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)"); - -static int modparam_long_retry = BCM43xx_DEFAULT_LONG_RETRY_LIMIT; -module_param_named(long_retry, modparam_long_retry, int, 0444); -MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)"); - -static int modparam_locale = -1; -module_param_named(locale, modparam_locale, int, 0444); -MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)"); - -static int modparam_noleds; -module_param_named(noleds, modparam_noleds, int, 0444); -MODULE_PARM_DESC(noleds, "Turn off all LED activity"); - -static char modparam_fwpostfix[64]; -module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444); -MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for using multiple firmware image versions."); - - -/* If you want to debug with just a single device, enable this, - * where the string is the pci device ID (as given by the kernel's - * pci_name function) of the device to be used. - */ -//#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0" - -/* If you want to enable printing of each MMIO access, enable this. */ -//#define DEBUG_ENABLE_MMIO_PRINT - -/* If you want to enable printing of MMIO access within - * ucode/pcm upload, initvals write, enable this. - */ -//#define DEBUG_ENABLE_UCODE_MMIO_PRINT - -/* If you want to enable printing of PCI Config Space access, enable this */ -//#define DEBUG_ENABLE_PCILOG - - -/* Detailed list maintained at: - * http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices - */ - static struct pci_device_id bcm43xx_pci_tbl[] = { - /* Broadcom 4303 802.11b */ - { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4307 802.11b */ - { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4311 802.11(a)/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4311, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4312 802.11a/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4312, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4318 802.11b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4319 802.11a/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4306 802.11b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4306 802.11a */ -// { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4309 802.11a/b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 43XG 802.11b/g */ - { PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { 0 }, -}; -MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl); - -static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val) -{ - u32 status; - - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP)) - val = swab32(val); - - bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset); - mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val); -} - -static inline -void bcm43xx_shm_control_word(struct bcm43xx_private *bcm, - u16 routing, u16 offset) -{ - u32 control; - - /* "offset" is the WORD offset. */ - - control = routing; - control <<= 16; - control |= offset; - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control); -} - -u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, - u16 routing, u16 offset) -{ - u32 ret; - - if (routing == BCM43xx_SHM_SHARED) { - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); - ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); - ret <<= 16; - bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); - ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); - - return ret; - } - offset >>= 2; - } - bcm43xx_shm_control_word(bcm, routing, offset); - ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA); - - return ret; -} - -u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, - u16 routing, u16 offset) -{ - u16 ret; - - if (routing == BCM43xx_SHM_SHARED) { - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); - ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); - - return ret; - } - offset >>= 2; - } - bcm43xx_shm_control_word(bcm, routing, offset); - ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); - - return ret; -} - -void bcm43xx_shm_write32(struct bcm43xx_private *bcm, - u16 routing, u16 offset, - u32 value) -{ - if (routing == BCM43xx_SHM_SHARED) { - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, - (value >> 16) & 0xffff); - mmiowb(); - bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, - value & 0xffff); - return; - } - offset >>= 2; - } - bcm43xx_shm_control_word(bcm, routing, offset); - mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value); -} - -void bcm43xx_shm_write16(struct bcm43xx_private *bcm, - u16 routing, u16 offset, - u16 value) -{ - if (routing == BCM43xx_SHM_SHARED) { - if (offset & 0x0003) { - /* Unaligned access */ - bcm43xx_shm_control_word(bcm, routing, offset >> 2); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, - value); - return; - } - offset >>= 2; - } - bcm43xx_shm_control_word(bcm, routing, offset); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value); -} - -void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf) -{ - /* We need to be careful. As we read the TSF from multiple - * registers, we should take care of register overflows. - * In theory, the whole tsf read process should be atomic. - * We try to be atomic here, by restaring the read process, - * if any of the high registers changed (overflew). - */ - if (bcm->current_core->rev >= 3) { - u32 low, high, high2; - - do { - high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); - low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW); - high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); - } while (unlikely(high != high2)); - - *tsf = high; - *tsf <<= 32; - *tsf |= low; - } else { - u64 tmp; - u16 v0, v1, v2, v3; - u16 test1, test2, test3; - - do { - v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); - v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); - v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); - v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0); - - test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); - test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); - test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); - } while (v3 != test3 || v2 != test2 || v1 != test1); - - *tsf = v3; - *tsf <<= 48; - tmp = v2; - tmp <<= 32; - *tsf |= tmp; - tmp = v1; - tmp <<= 16; - *tsf |= tmp; - *tsf |= v0; - } -} - -void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf) -{ - u32 status; - - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - status |= BCM43xx_SBF_TIME_UPDATE; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); - mmiowb(); - - /* Be careful with the in-progress timer. - * First zero out the low register, so we have a full - * register-overflow duration to complete the operation. - */ - if (bcm->current_core->rev >= 3) { - u32 lo = (tsf & 0x00000000FFFFFFFFULL); - u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; - - bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0); - mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi); - mmiowb(); - bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo); - } else { - u16 v0 = (tsf & 0x000000000000FFFFULL); - u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16; - u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32; - u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48; - - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, 0); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0); - } - - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - status &= ~BCM43xx_SBF_TIME_UPDATE; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); -} - -static -void bcm43xx_macfilter_set(struct bcm43xx_private *bcm, - u16 offset, - const u8 *mac) -{ - u16 data; - - offset |= 0x0020; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset); - - data = mac[0]; - data |= mac[1] << 8; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); - data = mac[2]; - data |= mac[3] << 8; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); - data = mac[4]; - data |= mac[5] << 8; - bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); -} - -static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm, - u16 offset) -{ - const u8 zero_addr[ETH_ALEN] = { 0 }; - - bcm43xx_macfilter_set(bcm, offset, zero_addr); -} - -static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm) -{ - const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr); - const u8 *bssid = (const u8 *)(bcm->ieee->bssid); - u8 mac_bssid[ETH_ALEN * 2]; - int i; - - memcpy(mac_bssid, mac, ETH_ALEN); - memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); - - /* Write our MAC address and BSSID to template ram */ - for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) - bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i))); - for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) - bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i))); - for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) - bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i))); -} - -//FIXME: Well, we should probably call them from somewhere. -#if 0 -static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time) -{ - /* slot_time is in usec. */ - if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G) - return; - bcm43xx_write16(bcm, 0x684, 510 + slot_time); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time); -} - -static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm) -{ - bcm43xx_set_slot_time(bcm, 9); -} - -static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm) -{ - bcm43xx_set_slot_time(bcm, 20); -} -#endif - -/* FIXME: To get the MAC-filter working, we need to implement the - * following functions (and rename them :) - */ -#if 0 -static void bcm43xx_disassociate(struct bcm43xx_private *bcm) -{ - bcm43xx_mac_suspend(bcm); - bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); - - bcm43xx_ram_write(bcm, 0x0026, 0x0000); - bcm43xx_ram_write(bcm, 0x0028, 0x0000); - bcm43xx_ram_write(bcm, 0x007E, 0x0000); - bcm43xx_ram_write(bcm, 0x0080, 0x0000); - bcm43xx_ram_write(bcm, 0x047E, 0x0000); - bcm43xx_ram_write(bcm, 0x0480, 0x0000); - - if (bcm->current_core->rev < 3) { - bcm43xx_write16(bcm, 0x0610, 0x8000); - bcm43xx_write16(bcm, 0x060E, 0x0000); - } else - bcm43xx_write32(bcm, 0x0188, 0x80000000); - - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); - - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G && - ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate)) - bcm43xx_short_slot_timing_enable(bcm); - - bcm43xx_mac_enable(bcm); -} - -static void bcm43xx_associate(struct bcm43xx_private *bcm, - const u8 *mac) -{ - memcpy(bcm->ieee->bssid, mac, ETH_ALEN); - - bcm43xx_mac_suspend(bcm); - bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac); - bcm43xx_write_mac_bssid_templates(bcm); - bcm43xx_mac_enable(bcm); -} -#endif - -/* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable. - * Returns the _previously_ enabled IRQ mask. - */ -static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask) -{ - u32 old_mask; - - old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask); - - return old_mask; -} - -/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable. - * Returns the _previously_ enabled IRQ mask. - */ -static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask) -{ - u32 old_mask; - - old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask); - - return old_mask; -} - -/* Synchronize IRQ top- and bottom-half. - * IRQs must be masked before calling this. - * This must not be called with the irq_lock held. - */ -static void bcm43xx_synchronize_irq(struct bcm43xx_private *bcm) -{ - synchronize_irq(bcm->irq); - tasklet_disable(&bcm->isr_tasklet); -} - -/* Make sure we don't receive more data from the device. */ -static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm) -{ - unsigned long flags; - - spin_lock_irqsave(&bcm->irq_lock, flags); - if (unlikely(bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED)) { - spin_unlock_irqrestore(&bcm->irq_lock, flags); - return -EBUSY; - } - bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */ - spin_unlock_irqrestore(&bcm->irq_lock, flags); - bcm43xx_synchronize_irq(bcm); - - return 0; -} - -static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u32 radio_id; - u16 manufact; - u16 version; - u8 revision; - - if (bcm->chip_id == 0x4317) { - if (bcm->chip_rev == 0x00) - radio_id = 0x3205017F; - else if (bcm->chip_rev == 0x01) - radio_id = 0x4205017F; - else - radio_id = 0x5205017F; - } else { - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); - radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH); - radio_id <<= 16; - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); - radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); - } - - manufact = (radio_id & 0x00000FFF); - version = (radio_id & 0x0FFFF000) >> 12; - revision = (radio_id & 0xF0000000) >> 28; - - dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n", - radio_id, manufact, version, revision); - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f)) - goto err_unsupported_radio; - break; - case BCM43xx_PHYTYPE_B: - if ((version & 0xFFF0) != 0x2050) - goto err_unsupported_radio; - break; - case BCM43xx_PHYTYPE_G: - if (version != 0x2050) - goto err_unsupported_radio; - break; - } - - radio->manufact = manufact; - radio->version = version; - radio->revision = revision; - - if (phy->type == BCM43xx_PHYTYPE_A) - radio->txpower_desired = bcm->sprom.maxpower_aphy; - else - radio->txpower_desired = bcm->sprom.maxpower_bgphy; - - return 0; - -err_unsupported_radio: - printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n"); - return -ENODEV; -} - -static const char * bcm43xx_locale_iso(u8 locale) -{ - /* ISO 3166-1 country codes. - * Note that there aren't ISO 3166-1 codes for - * all or locales. (Not all locales are countries) - */ - switch (locale) { - case BCM43xx_LOCALE_WORLD: - case BCM43xx_LOCALE_ALL: - return "XX"; - case BCM43xx_LOCALE_THAILAND: - return "TH"; - case BCM43xx_LOCALE_ISRAEL: - return "IL"; - case BCM43xx_LOCALE_JORDAN: - return "JO"; - case BCM43xx_LOCALE_CHINA: - return "CN"; - case BCM43xx_LOCALE_JAPAN: - case BCM43xx_LOCALE_JAPAN_HIGH: - return "JP"; - case BCM43xx_LOCALE_USA_CANADA_ANZ: - case BCM43xx_LOCALE_USA_LOW: - return "US"; - case BCM43xx_LOCALE_EUROPE: - return "EU"; - case BCM43xx_LOCALE_NONE: - return " "; - } - assert(0); - return " "; -} - -static const char * bcm43xx_locale_string(u8 locale) -{ - switch (locale) { - case BCM43xx_LOCALE_WORLD: - return "World"; - case BCM43xx_LOCALE_THAILAND: - return "Thailand"; - case BCM43xx_LOCALE_ISRAEL: - return "Israel"; - case BCM43xx_LOCALE_JORDAN: - return "Jordan"; - case BCM43xx_LOCALE_CHINA: - return "China"; - case BCM43xx_LOCALE_JAPAN: - return "Japan"; - case BCM43xx_LOCALE_USA_CANADA_ANZ: - return "USA/Canada/ANZ"; - case BCM43xx_LOCALE_EUROPE: - return "Europe"; - case BCM43xx_LOCALE_USA_LOW: - return "USAlow"; - case BCM43xx_LOCALE_JAPAN_HIGH: - return "JapanHigh"; - case BCM43xx_LOCALE_ALL: - return "All"; - case BCM43xx_LOCALE_NONE: - return "None"; - } - assert(0); - return ""; -} - -static inline u8 bcm43xx_crc8(u8 crc, u8 data) -{ - static const u8 t[] = { - 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, - 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, - 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, - 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, - 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, - 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, - 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, - 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, - 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, - 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, - 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, - 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, - 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, - 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, - 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, - 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, - 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, - 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, - 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, - 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, - 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, - 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, - 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, - 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, - 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, - 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, - 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, - 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, - 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, - 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, - 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, - 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, - }; - return t[crc ^ data]; -} - -static u8 bcm43xx_sprom_crc(const u16 *sprom) -{ - int word; - u8 crc = 0xFF; - - for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) { - crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF); - crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8); - } - crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF); - crc ^= 0xFF; - - return crc; -} - -int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom) -{ - int i; - u8 crc, expected_crc; - - for (i = 0; i < BCM43xx_SPROM_SIZE; i++) - sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2)); - /* CRC-8 check. */ - crc = bcm43xx_sprom_crc(sprom); - expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; - if (crc != expected_crc) { - printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum " - "(0x%02X, expected: 0x%02X)\n", - crc, expected_crc); - return -EINVAL; - } - - return 0; -} - -int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom) -{ - int i, err; - u8 crc, expected_crc; - u32 spromctl; - - /* CRC-8 validation of the input data. */ - crc = bcm43xx_sprom_crc(sprom); - expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; - if (crc != expected_crc) { - printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n"); - return -EINVAL; - } - - printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl); - if (err) - goto err_ctlreg; - spromctl |= 0x10; /* SPROM WRITE enable. */ - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); - if (err) - goto err_ctlreg; - /* We must burn lots of CPU cycles here, but that does not - * really matter as one does not write the SPROM every other minute... - */ - printk(KERN_INFO PFX "[ 0%%"); - mdelay(500); - for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { - if (i == 16) - printk("25%%"); - else if (i == 32) - printk("50%%"); - else if (i == 48) - printk("75%%"); - else if (i % 2) - printk("."); - bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]); - mmiowb(); - mdelay(20); - } - spromctl &= ~0x10; /* SPROM WRITE enable. */ - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); - if (err) - goto err_ctlreg; - mdelay(500); - printk("100%% ]\n"); - printk(KERN_INFO PFX "SPROM written.\n"); - bcm43xx_controller_restart(bcm, "SPROM update"); - - return 0; -err_ctlreg: - printk(KERN_ERR PFX "Could not access SPROM control register.\n"); - return -ENODEV; -} - -static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm) -{ - u16 value; - u16 *sprom; - - sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16), - GFP_KERNEL); - if (!sprom) { - printk(KERN_ERR PFX "sprom_extract OOM\n"); - return -ENOMEM; - } - bcm43xx_sprom_read(bcm, sprom); - - /* boardflags2 */ - value = sprom[BCM43xx_SPROM_BOARDFLAGS2]; - bcm->sprom.boardflags2 = value; - - /* il0macaddr */ - value = sprom[BCM43xx_SPROM_IL0MACADDR + 0]; - *(((__be16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_IL0MACADDR + 1]; - *(((__be16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_IL0MACADDR + 2]; - *(((__be16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value); - - /* et0macaddr */ - value = sprom[BCM43xx_SPROM_ET0MACADDR + 0]; - *(((__be16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET0MACADDR + 1]; - *(((__be16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET0MACADDR + 2]; - *(((__be16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value); - - /* et1macaddr */ - value = sprom[BCM43xx_SPROM_ET1MACADDR + 0]; - *(((__be16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET1MACADDR + 1]; - *(((__be16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value); - value = sprom[BCM43xx_SPROM_ET1MACADDR + 2]; - *(((__be16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value); - - /* ethernet phy settings */ - value = sprom[BCM43xx_SPROM_ETHPHY]; - bcm->sprom.et0phyaddr = (value & 0x001F); - bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5; - - /* boardrev, antennas, locale */ - value = sprom[BCM43xx_SPROM_BOARDREV]; - bcm->sprom.boardrev = (value & 0x00FF); - bcm->sprom.locale = (value & 0x0F00) >> 8; - bcm->sprom.antennas_aphy = (value & 0x3000) >> 12; - bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14; - if (modparam_locale != -1) { - if (modparam_locale >= 0 && modparam_locale <= 11) { - bcm->sprom.locale = modparam_locale; - printk(KERN_WARNING PFX "Operating with modified " - "LocaleCode %u (%s)\n", - bcm->sprom.locale, - bcm43xx_locale_string(bcm->sprom.locale)); - } else { - printk(KERN_WARNING PFX "Module parameter \"locale\" " - "invalid value. (0 - 11)\n"); - } - } - - /* pa0b* */ - value = sprom[BCM43xx_SPROM_PA0B0]; - bcm->sprom.pa0b0 = value; - value = sprom[BCM43xx_SPROM_PA0B1]; - bcm->sprom.pa0b1 = value; - value = sprom[BCM43xx_SPROM_PA0B2]; - bcm->sprom.pa0b2 = value; - - /* wl0gpio* */ - value = sprom[BCM43xx_SPROM_WL0GPIO0]; - if (value == 0x0000) - value = 0xFFFF; - bcm->sprom.wl0gpio0 = value & 0x00FF; - bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8; - value = sprom[BCM43xx_SPROM_WL0GPIO2]; - if (value == 0x0000) - value = 0xFFFF; - bcm->sprom.wl0gpio2 = value & 0x00FF; - bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8; - - /* maxpower */ - value = sprom[BCM43xx_SPROM_MAXPWR]; - bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8; - bcm->sprom.maxpower_bgphy = value & 0x00FF; - - /* pa1b* */ - value = sprom[BCM43xx_SPROM_PA1B0]; - bcm->sprom.pa1b0 = value; - value = sprom[BCM43xx_SPROM_PA1B1]; - bcm->sprom.pa1b1 = value; - value = sprom[BCM43xx_SPROM_PA1B2]; - bcm->sprom.pa1b2 = value; - - /* idle tssi target */ - value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT]; - bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF; - bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8; - - /* boardflags */ - value = sprom[BCM43xx_SPROM_BOARDFLAGS]; - if (value == 0xFFFF) - value = 0x0000; - bcm->sprom.boardflags = value; - /* boardflags workarounds */ - if (bcm->board_vendor == PCI_VENDOR_ID_DELL && - bcm->chip_id == 0x4301 && - bcm->board_revision == 0x74) - bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST; - if (bcm->board_vendor == PCI_VENDOR_ID_APPLE && - bcm->board_type == 0x4E && - bcm->board_revision > 0x40) - bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL; - - /* antenna gain */ - value = sprom[BCM43xx_SPROM_ANTENNA_GAIN]; - if (value == 0x0000 || value == 0xFFFF) - value = 0x0202; - /* convert values to Q5.2 */ - bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4; - bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4; - - kfree(sprom); - - return 0; -} - -static int bcm43xx_geo_init(struct bcm43xx_private *bcm) -{ - struct ieee80211_geo *geo; - struct ieee80211_channel *chan; - int have_a = 0, have_bg = 0; - int i; - u8 channel; - struct bcm43xx_phyinfo *phy; - const char *iso_country; - u8 max_bg_channel; - - geo = kzalloc(sizeof(*geo), GFP_KERNEL); - if (!geo) - return -ENOMEM; - - for (i = 0; i < bcm->nr_80211_available; i++) { - phy = &(bcm->core_80211_ext[i].phy); - switch (phy->type) { - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - have_bg = 1; - break; - case BCM43xx_PHYTYPE_A: - have_a = 1; - break; - default: - assert(0); - } - } - iso_country = bcm43xx_locale_iso(bcm->sprom.locale); - -/* set the maximum channel based on locale set in sprom or witle locale option */ - switch (bcm->sprom.locale) { - case BCM43xx_LOCALE_THAILAND: - case BCM43xx_LOCALE_ISRAEL: - case BCM43xx_LOCALE_JORDAN: - case BCM43xx_LOCALE_USA_CANADA_ANZ: - case BCM43xx_LOCALE_USA_LOW: - max_bg_channel = 11; - break; - case BCM43xx_LOCALE_JAPAN: - case BCM43xx_LOCALE_JAPAN_HIGH: - max_bg_channel = 14; - break; - default: - max_bg_channel = 13; - } - - if (have_a) { - for (i = 0, channel = IEEE80211_52GHZ_MIN_CHANNEL; - channel <= IEEE80211_52GHZ_MAX_CHANNEL; channel++) { - chan = &geo->a[i++]; - chan->freq = bcm43xx_channel_to_freq_a(channel); - chan->channel = channel; - } - geo->a_channels = i; - } - if (have_bg) { - for (i = 0, channel = IEEE80211_24GHZ_MIN_CHANNEL; - channel <= max_bg_channel; channel++) { - chan = &geo->bg[i++]; - chan->freq = bcm43xx_channel_to_freq_bg(channel); - chan->channel = channel; - } - geo->bg_channels = i; - } - memcpy(geo->name, iso_country, 2); - if (0 /*TODO: Outdoor use only */) - geo->name[2] = 'O'; - else if (0 /*TODO: Indoor use only */) - geo->name[2] = 'I'; - else - geo->name[2] = ' '; - geo->name[3] = '\0'; - - ieee80211_set_geo(bcm->ieee, geo); - kfree(geo); - - return 0; -} - -/* DummyTransmission function, as documented on - * http://bcm-specs.sipsolutions.net/DummyTransmission - */ -void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - unsigned int i, max_loop; - u16 value = 0; - u32 buffer[5] = { - 0x00000000, - 0x0000D400, - 0x00000000, - 0x00000001, - 0x00000000, - }; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - max_loop = 0x1E; - buffer[0] = 0xCC010200; - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - max_loop = 0xFA; - buffer[0] = 0x6E840B00; - break; - default: - assert(0); - return; - } - - for (i = 0; i < 5; i++) - bcm43xx_ram_write(bcm, i * 4, buffer[i]); - - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ - - bcm43xx_write16(bcm, 0x0568, 0x0000); - bcm43xx_write16(bcm, 0x07C0, 0x0000); - bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0)); - bcm43xx_write16(bcm, 0x0508, 0x0000); - bcm43xx_write16(bcm, 0x050A, 0x0000); - bcm43xx_write16(bcm, 0x054C, 0x0000); - bcm43xx_write16(bcm, 0x056A, 0x0014); - bcm43xx_write16(bcm, 0x0568, 0x0826); - bcm43xx_write16(bcm, 0x0500, 0x0000); - bcm43xx_write16(bcm, 0x0502, 0x0030); - - if (radio->version == 0x2050 && radio->revision <= 0x5) - bcm43xx_radio_write16(bcm, 0x0051, 0x0017); - for (i = 0x00; i < max_loop; i++) { - value = bcm43xx_read16(bcm, 0x050E); - if (value & 0x0080) - break; - udelay(10); - } - for (i = 0x00; i < 0x0A; i++) { - value = bcm43xx_read16(bcm, 0x050E); - if (value & 0x0400) - break; - udelay(10); - } - for (i = 0x00; i < 0x0A; i++) { - value = bcm43xx_read16(bcm, 0x0690); - if (!(value & 0x0100)) - break; - udelay(10); - } - if (radio->version == 0x2050 && radio->revision <= 0x5) - bcm43xx_radio_write16(bcm, 0x0051, 0x0037); -} - -static void key_write(struct bcm43xx_private *bcm, - u8 index, u8 algorithm, const __le16 *key) -{ - unsigned int i, basic_wep = 0; - u32 offset; - u16 value; - - /* Write associated key information */ - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2), - ((index << 4) | (algorithm & 0x0F))); - - /* The first 4 WEP keys need extra love */ - if (((algorithm == BCM43xx_SEC_ALGO_WEP) || - (algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4)) - basic_wep = 1; - - /* Write key payload, 8 little endian words */ - offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE); - for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) { - value = le16_to_cpu(key[i]); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - offset + (i * 2), value); - - if (!basic_wep) - continue; - - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE, - value); - } -} - -static void keymac_write(struct bcm43xx_private *bcm, - u8 index, const __be32 *addr) -{ - /* for keys 0-3 there is no associated mac address */ - if (index < 4) - return; - - index -= 4; - if (bcm->current_core->rev >= 5) { - bcm43xx_shm_write32(bcm, - BCM43xx_SHM_HWMAC, - index * 2, - be32_to_cpu(*addr)); - bcm43xx_shm_write16(bcm, - BCM43xx_SHM_HWMAC, - (index * 2) + 1, - be16_to_cpu(*((__be16 *)(addr + 1)))); - } else { - if (index < 8) { - TODO(); /* Put them in the macaddress filter */ - } else { - TODO(); - /* Put them BCM43xx_SHM_SHARED, stating index 0x0120. - Keep in mind to update the count of keymacs in 0x003E as well! */ - } - } -} - -static int bcm43xx_key_write(struct bcm43xx_private *bcm, - u8 index, u8 algorithm, - const u8 *_key, int key_len, - const u8 *mac_addr) -{ - u8 key[BCM43xx_SEC_KEYSIZE] = { 0 }; - - if (index >= ARRAY_SIZE(bcm->key)) - return -EINVAL; - if (key_len > ARRAY_SIZE(key)) - return -EINVAL; - if (algorithm < 1 || algorithm > 5) - return -EINVAL; - - memcpy(key, _key, key_len); - key_write(bcm, index, algorithm, (const __le16 *)key); - keymac_write(bcm, index, (const __be32 *)mac_addr); - - bcm->key[index].algorithm = algorithm; - - return 0; -} - -static void bcm43xx_clear_keys(struct bcm43xx_private *bcm) -{ - static const __be32 zero_mac[2] = { 0 }; - unsigned int i,j, nr_keys = 54; - u16 offset; - - if (bcm->current_core->rev < 5) - nr_keys = 16; - assert(nr_keys <= ARRAY_SIZE(bcm->key)); - - for (i = 0; i < nr_keys; i++) { - bcm->key[i].enabled = 0; - /* returns for i < 4 immediately */ - keymac_write(bcm, i, zero_mac); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - 0x100 + (i * 2), 0x0000); - for (j = 0; j < 8; j++) { - offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, - offset, 0x0000); - } - } - dprintk(KERN_INFO PFX "Keys cleared\n"); -} - -/* Lowlevel core-switch function. This is only to be used in - * bcm43xx_switch_core() and bcm43xx_probe_cores() - */ -static int _switch_core(struct bcm43xx_private *bcm, int core) -{ - int err; - int attempts = 0; - u32 current_core; - - assert(core >= 0); - while (1) { - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, - (core * 0x1000) + 0x18000000); - if (unlikely(err)) - goto error; - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, - ¤t_core); - if (unlikely(err)) - goto error; - current_core = (current_core - 0x18000000) / 0x1000; - if (current_core == core) - break; - - if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES)) - goto error; - udelay(10); - } - - return 0; -error: - printk(KERN_ERR PFX "Failed to switch to core %d\n", core); - return -ENODEV; -} - -int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core) -{ - int err; - - if (unlikely(!new_core)) - return 0; - if (!new_core->available) - return -ENODEV; - if (bcm->current_core == new_core) - return 0; - err = _switch_core(bcm, new_core->index); - if (unlikely(err)) - goto out; - - bcm->current_core = new_core; -out: - return err; -} - -static int bcm43xx_core_enabled(struct bcm43xx_private *bcm) -{ - u32 value; - - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET - | BCM43xx_SBTMSTATELOW_REJECT; - - return (value == BCM43xx_SBTMSTATELOW_CLOCK); -} - -/* disable current core */ -static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags) -{ - u32 sbtmstatelow; - u32 sbtmstatehigh; - int i; - - /* fetch sbtmstatelow from core information registers */ - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - - /* core is already in reset */ - if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET) - goto out; - - if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) { - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | - BCM43xx_SBTMSTATELOW_REJECT; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - - for (i = 0; i < 1000; i++) { - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) { - i = -1; - break; - } - udelay(10); - } - if (i != -1) { - printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n"); - return -EBUSY; - } - - for (i = 0; i < 1000; i++) { - sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) { - i = -1; - break; - } - udelay(10); - } - if (i != -1) { - printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n"); - return -EBUSY; - } - - sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | - BCM43xx_SBTMSTATELOW_REJECT | - BCM43xx_SBTMSTATELOW_RESET | - BCM43xx_SBTMSTATELOW_CLOCK | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(10); - } - - sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET | - BCM43xx_SBTMSTATELOW_REJECT | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - -out: - bcm->current_core->enabled = 0; - - return 0; -} - -/* enable (reset) current core */ -static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags) -{ - u32 sbtmstatelow; - u32 sbtmstatehigh; - u32 sbimstate; - int err; - - err = bcm43xx_core_disable(bcm, core_flags); - if (err) - goto out; - - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | - BCM43xx_SBTMSTATELOW_RESET | - BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - - sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) { - sbtmstatehigh = 0x00000000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh); - } - - sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE); - if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) { - sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT); - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate); - } - - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | - BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | - core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - - sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - - bcm->current_core->enabled = 1; - assert(err == 0); -out: - return err; -} - -/* http://bcm-specs.sipsolutions.net/80211CoreReset */ -void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy) -{ - u32 flags = 0x00040000; - - if ((bcm43xx_core_enabled(bcm)) && - !bcm43xx_using_pio(bcm)) { - } - if (bcm43xx_status(bcm) == BCM43xx_STAT_SHUTTINGDOWN) { - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002)); - } else { - if (connect_phy) - flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE; - bcm43xx_phy_connect(bcm, connect_phy); - bcm43xx_core_enable(bcm, flags); - bcm43xx_write16(bcm, 0x03E6, 0x0000); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - | BCM43xx_SBF_400); - } -} - -static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm) -{ - bcm43xx_radio_turn_off(bcm); - bcm43xx_write16(bcm, 0x03E6, 0x00F4); - bcm43xx_core_disable(bcm, 0); -} - -/* Mark the current 80211 core inactive. */ -static void bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm) -{ - u32 sbtmstatelow; - - bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_radio_turn_off(bcm); - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - sbtmstatelow &= 0xDFF5FFFF; - sbtmstatelow |= 0x000A0000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - sbtmstatelow &= 0xFFF5FFFF; - sbtmstatelow |= 0x00080000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - udelay(1); -} - -static void handle_irq_transmit_status(struct bcm43xx_private *bcm) -{ - u32 v0, v1; - u16 tmp; - struct bcm43xx_xmitstatus stat; - - while (1) { - v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); - if (!v0) - break; - v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); - - stat.cookie = (v0 >> 16) & 0x0000FFFF; - tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1)); - stat.flags = tmp & 0xFF; - stat.cnt1 = (tmp & 0x0F00) >> 8; - stat.cnt2 = (tmp & 0xF000) >> 12; - stat.seq = (u16)(v1 & 0xFFFF); - stat.unknown = (u16)((v1 >> 16) & 0xFF); - - bcm43xx_debugfs_log_txstat(bcm, &stat); - - if (stat.flags & BCM43xx_TXSTAT_FLAG_AMPDU) - continue; - if (stat.flags & BCM43xx_TXSTAT_FLAG_INTER) - continue; - - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_handle_xmitstatus(bcm, &stat); - else - bcm43xx_dma_handle_xmitstatus(bcm, &stat); - } -} - -static void drain_txstatus_queue(struct bcm43xx_private *bcm) -{ - u32 dummy; - - if (bcm->current_core->rev < 5) - return; - /* Read all entries from the microcode TXstatus FIFO - * and throw them away. - */ - while (1) { - dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); - if (!dummy) - break; - dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); - } -} - -static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm) -{ - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4)); - assert(bcm->noisecalc.core_at_start == bcm->current_core); - assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel); -} - -static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm) -{ - /* Top half of Link Quality calculation. */ - - if (bcm->noisecalc.calculation_running) - return; - bcm->noisecalc.core_at_start = bcm->current_core; - bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel; - bcm->noisecalc.calculation_running = 1; - bcm->noisecalc.nr_samples = 0; - - bcm43xx_generate_noise_sample(bcm); -} - -static void handle_irq_noise(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 tmp; - u8 noise[4]; - u8 i, j; - s32 average; - - /* Bottom half of Link Quality calculation. */ - - assert(bcm->noisecalc.calculation_running); - if (bcm->noisecalc.core_at_start != bcm->current_core || - bcm->noisecalc.channel_at_start != radio->channel) - goto drop_calculation; - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408); - noise[0] = (tmp & 0x00FF); - noise[1] = (tmp & 0xFF00) >> 8; - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A); - noise[2] = (tmp & 0x00FF); - noise[3] = (tmp & 0xFF00) >> 8; - if (noise[0] == 0x7F || noise[1] == 0x7F || - noise[2] == 0x7F || noise[3] == 0x7F) - goto generate_new; - - /* Get the noise samples. */ - assert(bcm->noisecalc.nr_samples < 8); - i = bcm->noisecalc.nr_samples; - noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); - bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]]; - bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]]; - bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]]; - bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]]; - bcm->noisecalc.nr_samples++; - if (bcm->noisecalc.nr_samples == 8) { - /* Calculate the Link Quality by the noise samples. */ - average = 0; - for (i = 0; i < 8; i++) { - for (j = 0; j < 4; j++) - average += bcm->noisecalc.samples[i][j]; - } - average /= (8 * 4); - average *= 125; - average += 64; - average /= 128; - - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C); - tmp = (tmp / 128) & 0x1F; - if (tmp >= 8) - average += 2; - else - average -= 25; - if (tmp == 8) - average -= 72; - else - average -= 48; - - bcm->stats.noise = average; -drop_calculation: - bcm->noisecalc.calculation_running = 0; - return; - } -generate_new: - bcm43xx_generate_noise_sample(bcm); -} - -static void handle_irq_ps(struct bcm43xx_private *bcm) -{ - if (bcm->ieee->iw_mode == IW_MODE_MASTER) { - ///TODO: PS TBTT - } else { - if (1/*FIXME: the last PSpoll frame was sent successfully */) - bcm43xx_power_saving_ctl_bits(bcm, -1, -1); - } - if (bcm->ieee->iw_mode == IW_MODE_ADHOC) - bcm->reg124_set_0x4 = 1; - //FIXME else set to false? -} - -static void handle_irq_reg124(struct bcm43xx_private *bcm) -{ - if (!bcm->reg124_set_0x4) - return; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) - | 0x4); - //FIXME: reset reg124_set_0x4 to false? -} - -static void handle_irq_pmq(struct bcm43xx_private *bcm) -{ - u32 tmp; - - //TODO: AP mode. - - while (1) { - tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS); - if (!(tmp & 0x00000008)) - break; - } - /* 16bit write is odd, but correct. */ - bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002); -} - -static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm, - u16 ram_offset, u16 shm_size_offset) -{ - u32 value; - u16 size = 0; - - /* Timestamp. */ - //FIXME: assumption: The chip sets the timestamp - value = 0; - bcm43xx_ram_write(bcm, ram_offset++, value); - bcm43xx_ram_write(bcm, ram_offset++, value); - size += 8; - - /* Beacon Interval / Capability Information */ - value = 0x0000;//FIXME: Which interval? - value |= (1 << 0) << 16; /* ESS */ - value |= (1 << 2) << 16; /* CF Pollable */ //FIXME? - value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME? - if (!bcm->ieee->open_wep) - value |= (1 << 4) << 16; /* Privacy */ - bcm43xx_ram_write(bcm, ram_offset++, value); - size += 4; - - /* SSID */ - //TODO - - /* FH Parameter Set */ - //TODO - - /* DS Parameter Set */ - //TODO - - /* CF Parameter Set */ - //TODO - - /* TIM */ - //TODO - - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size); -} - -static void handle_irq_beacon(struct bcm43xx_private *bcm) -{ - u32 status; - - bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON; - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD); - - if ((status & 0x1) && (status & 0x2)) { - /* ACK beacon IRQ. */ - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, - BCM43xx_IRQ_BEACON); - bcm->irq_savedstate |= BCM43xx_IRQ_BEACON; - return; - } - if (!(status & 0x1)) { - bcm43xx_generate_beacon_template(bcm, 0x68, 0x18); - status |= 0x1; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); - } - if (!(status & 0x2)) { - bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A); - status |= 0x2; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); - } -} - -/* Interrupt handler bottom-half */ -static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm) -{ - u32 reason; - u32 dma_reason[6]; - u32 merged_dma_reason = 0; - int i, activity = 0; - unsigned long flags; - -#ifdef CONFIG_BCM43XX_DEBUG - u32 _handled = 0x00000000; -# define bcmirq_handled(irq) do { _handled |= (irq); } while (0) -#else -# define bcmirq_handled(irq) do { /* nothing */ } while (0) -#endif /* CONFIG_BCM43XX_DEBUG*/ - - spin_lock_irqsave(&bcm->irq_lock, flags); - reason = bcm->irq_reason; - for (i = 5; i >= 0; i--) { - dma_reason[i] = bcm->dma_reason[i]; - merged_dma_reason |= dma_reason[i]; - } - - if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) { - /* TX error. We get this when Template Ram is written in wrong endianess - * in dummy_tx(). We also get this if something is wrong with the TX header - * on DMA or PIO queues. - * Maybe we get this in other error conditions, too. - */ - printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n"); - bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR); - } - if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_FATALMASK)) { - printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - bcm43xx_controller_restart(bcm, "DMA error"); - mmiowb(); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - return; - } - if (unlikely(merged_dma_reason & BCM43xx_DMAIRQ_NONFATALMASK)) { - printkl(KERN_ERR PFX "DMA error: " - "0x%08X, 0x%08X, 0x%08X, " - "0x%08X, 0x%08X, 0x%08X\n", - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3], - dma_reason[4], dma_reason[5]); - } - - if (reason & BCM43xx_IRQ_PS) { - handle_irq_ps(bcm); - bcmirq_handled(BCM43xx_IRQ_PS); - } - - if (reason & BCM43xx_IRQ_REG124) { - handle_irq_reg124(bcm); - bcmirq_handled(BCM43xx_IRQ_REG124); - } - - if (reason & BCM43xx_IRQ_BEACON) { - if (bcm->ieee->iw_mode == IW_MODE_MASTER) - handle_irq_beacon(bcm); - bcmirq_handled(BCM43xx_IRQ_BEACON); - } - - if (reason & BCM43xx_IRQ_PMQ) { - handle_irq_pmq(bcm); - bcmirq_handled(BCM43xx_IRQ_PMQ); - } - - if (reason & BCM43xx_IRQ_SCAN) { - /*TODO*/ - //bcmirq_handled(BCM43xx_IRQ_SCAN); - } - - if (reason & BCM43xx_IRQ_NOISE) { - handle_irq_noise(bcm); - bcmirq_handled(BCM43xx_IRQ_NOISE); - } - - /* Check the DMA reason registers for received data. */ - if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) { - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0); - else - bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0); - /* We intentionally don't set "activity" to 1, here. */ - } - assert(!(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE)); - assert(!(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE)); - if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) { - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3); - else - bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring3); - activity = 1; - } - assert(!(dma_reason[4] & BCM43xx_DMAIRQ_RX_DONE)); - assert(!(dma_reason[5] & BCM43xx_DMAIRQ_RX_DONE)); - bcmirq_handled(BCM43xx_IRQ_RX); - - if (reason & BCM43xx_IRQ_XMIT_STATUS) { - handle_irq_transmit_status(bcm); - activity = 1; - //TODO: In AP mode, this also causes sending of powersave responses. - bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS); - } - - /* IRQ_PIO_WORKAROUND is handled in the top-half. */ - bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND); -#ifdef CONFIG_BCM43XX_DEBUG - if (unlikely(reason & ~_handled)) { - printkl(KERN_WARNING PFX - "Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, " - "DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", - reason, (reason & ~_handled), - dma_reason[0], dma_reason[1], - dma_reason[2], dma_reason[3]); - } -#endif -#undef bcmirq_handled - - if (!modparam_noleds) - bcm43xx_leds_update(bcm, activity); - bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); - mmiowb(); - spin_unlock_irqrestore(&bcm->irq_lock, flags); -} - -static void pio_irq_workaround(struct bcm43xx_private *bcm, - u16 base, int queueidx) -{ - u16 rxctl; - - rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL); - if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE) - bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE; - else - bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE; -} - -static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason) -{ - if (bcm43xx_using_pio(bcm) && - (bcm->current_core->rev < 3) && - (!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) { - /* Apply a PIO specific workaround to the dma_reasons */ - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO1_BASE, 0); - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1); - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2); - pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3); - } - - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason); - - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_REASON, - bcm->dma_reason[0]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON, - bcm->dma_reason[1]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON, - bcm->dma_reason[2]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON, - bcm->dma_reason[3]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON, - bcm->dma_reason[4]); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_REASON, - bcm->dma_reason[5]); -} - -/* Interrupt handler top-half */ -static irqreturn_t bcm43xx_interrupt_handler(int irq, void *dev_id) -{ - irqreturn_t ret = IRQ_HANDLED; - struct bcm43xx_private *bcm = dev_id; - u32 reason; - - if (!bcm) - return IRQ_NONE; - - spin_lock(&bcm->irq_lock); - - reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (reason == 0xffffffff) { - /* irq not for us (shared irq) */ - ret = IRQ_NONE; - goto out; - } - reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); - if (!reason) - goto out; - - assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - assert(bcm->current_core->id == BCM43xx_COREID_80211); - - bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA0_REASON) - & 0x0001DC00; - bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON) - & 0x0000DC00; - bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON) - & 0x0000DC00; - bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON) - & 0x0001DC00; - bcm->dma_reason[4] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON) - & 0x0000DC00; - bcm->dma_reason[5] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA5_REASON) - & 0x0000DC00; - - bcm43xx_interrupt_ack(bcm, reason); - - /* disable all IRQs. They are enabled again in the bottom half. */ - bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - /* save the reason code and call our bottom half. */ - bcm->irq_reason = reason; - tasklet_schedule(&bcm->isr_tasklet); - -out: - mmiowb(); - spin_unlock(&bcm->irq_lock); - - return ret; -} - -static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - if (bcm->firmware_norelease && !force) - return; /* Suspending or controller reset. */ - release_firmware(phy->ucode); - phy->ucode = NULL; - release_firmware(phy->pcm); - phy->pcm = NULL; - release_firmware(phy->initvals0); - phy->initvals0 = NULL; - release_firmware(phy->initvals1); - phy->initvals1 = NULL; -} - -static int bcm43xx_request_firmware(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u8 rev = bcm->current_core->rev; - int err = 0; - int nr; - char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 }; - - if (!phy->ucode) { - snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw", - (rev >= 5 ? 5 : rev), - modparam_fwpostfix); - err = request_firmware(&phy->ucode, buf, &bcm->pci_dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: Microcode \"%s\" not available or load failed.\n", - buf); - goto error; - } - } - - if (!phy->pcm) { - snprintf(buf, ARRAY_SIZE(buf), - "bcm43xx_pcm%d%s.fw", - (rev < 5 ? 4 : 5), - modparam_fwpostfix); - err = request_firmware(&phy->pcm, buf, &bcm->pci_dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: PCM \"%s\" not available or load failed.\n", - buf); - goto error; - } - } - - if (!phy->initvals0) { - if (rev == 2 || rev == 4) { - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - nr = 3; - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - nr = 1; - break; - default: - goto err_noinitval; - } - - } else if (rev >= 5) { - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - nr = 7; - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - nr = 5; - break; - default: - goto err_noinitval; - } - } else - goto err_noinitval; - snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", - nr, modparam_fwpostfix); - - err = request_firmware(&phy->initvals0, buf, &bcm->pci_dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: InitVals \"%s\" not available or load failed.\n", - buf); - goto error; - } - if (phy->initvals0->size % sizeof(struct bcm43xx_initval)) { - printk(KERN_ERR PFX "InitVals fileformat error.\n"); - goto error; - } - } - - if (!phy->initvals1) { - if (rev >= 5) { - u32 sbtmstatehigh; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (sbtmstatehigh & 0x00010000) - nr = 9; - else - nr = 10; - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - nr = 6; - break; - default: - goto err_noinitval; - } - snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", - nr, modparam_fwpostfix); - - err = request_firmware(&phy->initvals1, buf, &bcm->pci_dev->dev); - if (err) { - printk(KERN_ERR PFX - "Error: InitVals \"%s\" not available or load failed.\n", - buf); - goto error; - } - if (phy->initvals1->size % sizeof(struct bcm43xx_initval)) { - printk(KERN_ERR PFX "InitVals fileformat error.\n"); - goto error; - } - } - } - -out: - return err; -error: - bcm43xx_release_firmware(bcm, 1); - goto out; -err_noinitval: - printk(KERN_ERR PFX "Error: No InitVals available!\n"); - err = -ENOENT; - goto error; -} - -static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - const __be32 *data; - unsigned int i, len; - - /* Upload Microcode. */ - data = (__be32 *)(phy->ucode->data); - len = phy->ucode->size / sizeof(u32); - bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000); - for (i = 0; i < len; i++) { - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, - be32_to_cpu(data[i])); - udelay(10); - } - - /* Upload PCM data. */ - data = (__be32 *)(phy->pcm->data); - len = phy->pcm->size / sizeof(u32); - bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea); - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000); - bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb); - for (i = 0; i < len; i++) { - bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, - be32_to_cpu(data[i])); - udelay(10); - } -} - -static int bcm43xx_write_initvals(struct bcm43xx_private *bcm, - const struct bcm43xx_initval *data, - const unsigned int len) -{ - u16 offset, size; - u32 value; - unsigned int i; - - for (i = 0; i < len; i++) { - offset = be16_to_cpu(data[i].offset); - size = be16_to_cpu(data[i].size); - value = be32_to_cpu(data[i].value); - - if (unlikely(offset >= 0x1000)) - goto err_format; - if (size == 2) { - if (unlikely(value & 0xFFFF0000)) - goto err_format; - bcm43xx_write16(bcm, offset, (u16)value); - } else if (size == 4) { - bcm43xx_write32(bcm, offset, value); - } else - goto err_format; - } - - return 0; - -err_format: - printk(KERN_ERR PFX "InitVals (bcm43xx_initvalXX.fw) file-format error. " - "Please fix your bcm43xx firmware files.\n"); - return -EPROTO; -} - -static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - int err; - - err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals0->data, - phy->initvals0->size / sizeof(struct bcm43xx_initval)); - if (err) - goto out; - if (phy->initvals1) { - err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)phy->initvals1->data, - phy->initvals1->size / sizeof(struct bcm43xx_initval)); - if (err) - goto out; - } -out: - return err; -} - -static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm) -{ - int err; - - bcm->irq = bcm->pci_dev->irq; - err = request_irq(bcm->irq, bcm43xx_interrupt_handler, - IRQF_SHARED, KBUILD_MODNAME, bcm); - if (err) - printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq); - - return err; -} - -/* Switch to the core used to write the GPIO register. - * This is either the ChipCommon, or the PCI core. - */ -static int switch_to_gpio_core(struct bcm43xx_private *bcm) -{ - int err; - - /* Where to find the GPIO register depends on the chipset. - * If it has a ChipCommon, its register at offset 0x6c is the GPIO - * control register. Otherwise the register at offset 0x6c in the - * PCI core is the GPIO control register. - */ - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err == -ENODEV) { - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (unlikely(err == -ENODEV)) { - printk(KERN_ERR PFX "gpio error: " - "Neither ChipCommon nor PCI core available!\n"); - } - } - - return err; -} - -/* Initialize the GPIOs - * http://bcm-specs.sipsolutions.net/GPIO - */ -static int bcm43xx_gpio_init(struct bcm43xx_private *bcm) -{ - struct bcm43xx_coreinfo *old_core; - int err; - u32 mask, set; - - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - & 0xFFFF3FFF); - - bcm43xx_leds_switch_all(bcm, 0); - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F); - - mask = 0x0000001F; - set = 0x0000000F; - if (bcm->chip_id == 0x4301) { - mask |= 0x0060; - set |= 0x0060; - } - if (0 /* FIXME: conditional unknown */) { - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) - | 0x0100); - mask |= 0x0180; - set |= 0x0180; - } - if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) { - bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, - bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) - | 0x0200); - mask |= 0x0200; - set |= 0x0200; - } - if (bcm->current_core->rev >= 2) - mask |= 0x0010; /* FIXME: This is redundant. */ - - old_core = bcm->current_core; - err = switch_to_gpio_core(bcm); - if (err) - goto out; - bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, - (bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set); - err = bcm43xx_switch_core(bcm, old_core); -out: - return err; -} - -/* Turn off all GPIO stuff. Call this on module unload, for example. */ -static int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm) -{ - struct bcm43xx_coreinfo *old_core; - int err; - - old_core = bcm->current_core; - err = switch_to_gpio_core(bcm); - if (err) - return err; - bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000); - err = bcm43xx_switch_core(bcm, old_core); - assert(err == 0); - - return 0; -} - -/* http://bcm-specs.sipsolutions.net/EnableMac */ -void bcm43xx_mac_enable(struct bcm43xx_private *bcm) -{ - bcm->mac_suspended--; - assert(bcm->mac_suspended >= 0); - if (bcm->mac_suspended == 0) { - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - | BCM43xx_SBF_MAC_ENABLED); - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY); - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - bcm43xx_power_saving_ctl_bits(bcm, -1, -1); - } -} - -/* http://bcm-specs.sipsolutions.net/SuspendMAC */ -void bcm43xx_mac_suspend(struct bcm43xx_private *bcm) -{ - int i; - u32 tmp; - - assert(bcm->mac_suspended >= 0); - if (bcm->mac_suspended == 0) { - bcm43xx_power_saving_ctl_bits(bcm, -1, 1); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) - & ~BCM43xx_SBF_MAC_ENABLED); - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - for (i = 10000; i; i--) { - tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (tmp & BCM43xx_IRQ_READY) - goto out; - udelay(1); - } - printkl(KERN_ERR PFX "MAC suspend failed\n"); - } -out: - bcm->mac_suspended++; -} - -void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, - int iw_mode) -{ - unsigned long flags; - struct net_device *net_dev = bcm->net_dev; - u32 status; - u16 value; - - spin_lock_irqsave(&bcm->ieee->lock, flags); - bcm->ieee->iw_mode = iw_mode; - spin_unlock_irqrestore(&bcm->ieee->lock, flags); - if (iw_mode == IW_MODE_MONITOR) - net_dev->type = ARPHRD_IEEE80211; - else - net_dev->type = ARPHRD_ETHER; - - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - /* Reset status to infrastructured mode */ - status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR); - status &= ~BCM43xx_SBF_MODE_PROMISC; - status |= BCM43xx_SBF_MODE_NOTADHOC; - -/* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */ -status |= BCM43xx_SBF_MODE_PROMISC; - - switch (iw_mode) { - case IW_MODE_MONITOR: - status |= BCM43xx_SBF_MODE_MONITOR; - status |= BCM43xx_SBF_MODE_PROMISC; - break; - case IW_MODE_ADHOC: - status &= ~BCM43xx_SBF_MODE_NOTADHOC; - break; - case IW_MODE_MASTER: - status |= BCM43xx_SBF_MODE_AP; - break; - case IW_MODE_SECOND: - case IW_MODE_REPEAT: - TODO(); /* TODO */ - break; - case IW_MODE_INFRA: - /* nothing to be done here... */ - break; - default: - dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode); - } - if (net_dev->flags & IFF_PROMISC) - status |= BCM43xx_SBF_MODE_PROMISC; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); - - value = 0x0002; - if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) { - if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3) - value = 0x0064; - else - value = 0x0032; - } - bcm43xx_write16(bcm, 0x0612, value); -} - -/* This is the opposite of bcm43xx_chip_init() */ -static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm) -{ - bcm43xx_radio_turn_off(bcm); - if (!modparam_noleds) - bcm43xx_leds_exit(bcm); - bcm43xx_gpio_cleanup(bcm); - bcm43xx_release_firmware(bcm, 0); -} - -/* Initialize the chip - * http://bcm-specs.sipsolutions.net/ChipInit - */ -static int bcm43xx_chip_init(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - int err; - int i, tmp; - u32 value32; - u16 value16; - - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, - BCM43xx_SBF_CORE_READY - | BCM43xx_SBF_400); - - err = bcm43xx_request_firmware(bcm); - if (err) - goto out; - bcm43xx_upload_microcode(bcm); - - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xFFFFFFFF); - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402); - i = 0; - while (1) { - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (value32 == BCM43xx_IRQ_READY) - break; - i++; - if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) { - printk(KERN_ERR PFX "IRQ_READY timeout\n"); - err = -ENODEV; - goto err_release_fw; - } - udelay(10); - } - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - - value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_REVISION); - - dprintk(KERN_INFO PFX "Microcode rev 0x%x, pl 0x%x " - "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", value16, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_PATCHLEVEL), - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_DATE) >> 12) & 0xf, - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_DATE) >> 8) & 0xf, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_DATE) & 0xff, - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_TIME) >> 11) & 0x1f, - (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_TIME) >> 5) & 0x3f, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_TIME) & 0x1f); - - if ( value16 > 0x128 ) { - printk(KERN_ERR PFX - "Firmware: no support for microcode extracted " - "from version 4.x binary drivers.\n"); - err = -EOPNOTSUPP; - goto err_release_fw; - } - - err = bcm43xx_gpio_init(bcm); - if (err) - goto err_release_fw; - - err = bcm43xx_upload_initvals(bcm); - if (err) - goto err_gpio_cleanup; - bcm43xx_radio_turn_on(bcm); - bcm->radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm); - printk(KERN_INFO PFX "Radio %s by hardware\n", - (bcm->radio_hw_enable == 0) ? "disabled" : "enabled"); - - bcm43xx_write16(bcm, 0x03E6, 0x0000); - err = bcm43xx_phy_init(bcm); - if (err) - goto err_radio_off; - - /* Select initial Interference Mitigation. */ - tmp = radio->interfmode; - radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; - bcm43xx_radio_set_interference_mitigation(bcm, tmp); - - bcm43xx_phy_set_antenna_diversity(bcm); - bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT); - if (phy->type == BCM43xx_PHYTYPE_B) { - value16 = bcm43xx_read16(bcm, 0x005E); - value16 |= 0x0004; - bcm43xx_write16(bcm, 0x005E, value16); - } - bcm43xx_write32(bcm, 0x0100, 0x01000000); - if (bcm->current_core->rev < 5) - bcm43xx_write32(bcm, 0x010C, 0x01000000); - - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - value32 |= BCM43xx_SBF_MODE_NOTADHOC; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); - - value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - value32 |= 0x100000; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); - - if (bcm43xx_using_pio(bcm)) { - bcm43xx_write32(bcm, 0x0210, 0x00000100); - bcm43xx_write32(bcm, 0x0230, 0x00000100); - bcm43xx_write32(bcm, 0x0250, 0x00000100); - bcm43xx_write32(bcm, 0x0270, 0x00000100); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000); - } - - /* Probe Response Timeout value */ - /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000); - - /* Initially set the wireless operation mode. */ - bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode); - - if (bcm->current_core->rev < 3) { - bcm43xx_write16(bcm, 0x060E, 0x0000); - bcm43xx_write16(bcm, 0x0610, 0x8000); - bcm43xx_write16(bcm, 0x0604, 0x0000); - bcm43xx_write16(bcm, 0x0606, 0x0200); - } else { - bcm43xx_write32(bcm, 0x0188, 0x80000000); - bcm43xx_write32(bcm, 0x018C, 0x02000000); - } - bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA0_IRQ_MASK, 0x0001DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0001DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0000DC00); - bcm43xx_write32(bcm, BCM43xx_MMIO_DMA5_IRQ_MASK, 0x0000DC00); - - value32 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - value32 |= 0x00100000; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32); - - bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm)); - - assert(err == 0); - dprintk(KERN_INFO PFX "Chip initialized\n"); -out: - return err; - -err_radio_off: - bcm43xx_radio_turn_off(bcm); -err_gpio_cleanup: - bcm43xx_gpio_cleanup(bcm); -err_release_fw: - bcm43xx_release_firmware(bcm, 1); - goto out; -} - -/* Validate chip access - * http://bcm-specs.sipsolutions.net/ValidateChipAccess */ -static int bcm43xx_validate_chip(struct bcm43xx_private *bcm) -{ - u32 value; - u32 shm_backup; - - shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA); - if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA) - goto error; - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55); - if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55) - goto error; - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup); - - value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - if ((value | 0x80000000) != 0x80000400) - goto error; - - value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); - if (value != 0x00000000) - goto error; - - return 0; -error: - printk(KERN_ERR PFX "Failed to validate the chipaccess\n"); - return -ENODEV; -} - -static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy) -{ - /* Initialize a "phyinfo" structure. The structure is already - * zeroed out. - * This is called on insmod time to initialize members. - */ - phy->savedpctlreg = 0xFFFF; - spin_lock_init(&phy->lock); -} - -static void bcm43xx_init_struct_radioinfo(struct bcm43xx_radioinfo *radio) -{ - /* Initialize a "radioinfo" structure. The structure is already - * zeroed out. - * This is called on insmod time to initialize members. - */ - radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; - radio->channel = 0xFF; - radio->initial_channel = 0xFF; -} - -static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) -{ - int err, i; - int current_core; - u32 core_vendor, core_id, core_rev; - u32 sb_id_hi, chip_id_32 = 0; - u16 pci_device, chip_id_16; - u8 core_count; - - memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo)); - memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo)); - memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo) - * BCM43xx_MAX_80211_CORES); - memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211) - * BCM43xx_MAX_80211_CORES); - bcm->nr_80211_available = 0; - bcm->current_core = NULL; - bcm->active_80211_core = NULL; - - /* map core 0 */ - err = _switch_core(bcm, 0); - if (err) - goto out; - - /* fetch sb_id_hi from core information registers */ - sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); - - core_id = (sb_id_hi & 0x8FF0) >> 4; - core_rev = (sb_id_hi & 0x7000) >> 8; - core_rev |= (sb_id_hi & 0xF); - core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; - - /* if present, chipcommon is always core 0; read the chipid from it */ - if (core_id == BCM43xx_COREID_CHIPCOMMON) { - chip_id_32 = bcm43xx_read32(bcm, 0); - chip_id_16 = chip_id_32 & 0xFFFF; - bcm->core_chipcommon.available = 1; - bcm->core_chipcommon.id = core_id; - bcm->core_chipcommon.rev = core_rev; - bcm->core_chipcommon.index = 0; - /* While we are at it, also read the capabilities. */ - bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES); - } else { - /* without a chipCommon, use a hard coded table. */ - pci_device = bcm->pci_dev->device; - if (pci_device == 0x4301) - chip_id_16 = 0x4301; - else if ((pci_device >= 0x4305) && (pci_device <= 0x4307)) - chip_id_16 = 0x4307; - else if ((pci_device >= 0x4402) && (pci_device <= 0x4403)) - chip_id_16 = 0x4402; - else if ((pci_device >= 0x4610) && (pci_device <= 0x4615)) - chip_id_16 = 0x4610; - else if ((pci_device >= 0x4710) && (pci_device <= 0x4715)) - chip_id_16 = 0x4710; - else { - printk(KERN_ERR PFX "Could not determine Chip ID\n"); - return -ENODEV; - } - } - - /* ChipCommon with Core Rev >=4 encodes number of cores, - * otherwise consult hardcoded table */ - if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) { - core_count = (chip_id_32 & 0x0F000000) >> 24; - } else { - switch (chip_id_16) { - case 0x4610: - case 0x4704: - case 0x4710: - core_count = 9; - break; - case 0x4310: - core_count = 8; - break; - case 0x5365: - core_count = 7; - break; - case 0x4306: - core_count = 6; - break; - case 0x4301: - case 0x4307: - core_count = 5; - break; - case 0x4402: - core_count = 3; - break; - default: - /* SOL if we get here */ - assert(0); - core_count = 1; - } - } - - bcm->chip_id = chip_id_16; - bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16; - bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20; - - dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n", - bcm->chip_id, bcm->chip_rev); - dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count); - if (bcm->core_chipcommon.available) { - dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x\n", - core_id, core_rev, core_vendor); - current_core = 1; - } else - current_core = 0; - for ( ; current_core < core_count; current_core++) { - struct bcm43xx_coreinfo *core; - struct bcm43xx_coreinfo_80211 *ext_80211; - - err = _switch_core(bcm, current_core); - if (err) - goto out; - /* Gather information */ - /* fetch sb_id_hi from core information registers */ - sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); - - /* extract core_id, core_rev, core_vendor */ - core_id = (sb_id_hi & 0x8FF0) >> 4; - core_rev = ((sb_id_hi & 0xF) | ((sb_id_hi & 0x7000) >> 8)); - core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; - - dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x\n", - current_core, core_id, core_rev, core_vendor); - - core = NULL; - switch (core_id) { - case BCM43xx_COREID_PCI: - case BCM43xx_COREID_PCIE: - core = &bcm->core_pci; - if (core->available) { - printk(KERN_WARNING PFX "Multiple PCI cores found.\n"); - continue; - } - break; - case BCM43xx_COREID_80211: - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - core = &(bcm->core_80211[i]); - ext_80211 = &(bcm->core_80211_ext[i]); - if (!core->available) - break; - core = NULL; - } - if (!core) { - printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n", - BCM43xx_MAX_80211_CORES); - continue; - } - if (i != 0) { - /* More than one 80211 core is only supported - * by special chips. - * There are chips with two 80211 cores, but with - * dangling pins on the second core. Be careful - * and ignore these cores here. - */ - if (1 /*bcm->pci_dev->device != 0x4324*/ ) { - /* TODO: A PHY */ - dprintk(KERN_INFO PFX "Ignoring additional 802.11a core.\n"); - continue; - } - } - switch (core_rev) { - case 2: - case 4: - case 5: - case 6: - case 7: - case 9: - case 10: - break; - default: - printk(KERN_WARNING PFX - "Unsupported 80211 core revision %u\n", - core_rev); - } - bcm->nr_80211_available++; - core->priv = ext_80211; - bcm43xx_init_struct_phyinfo(&ext_80211->phy); - bcm43xx_init_struct_radioinfo(&ext_80211->radio); - break; - case BCM43xx_COREID_CHIPCOMMON: - printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n"); - break; - } - if (core) { - core->available = 1; - core->id = core_id; - core->rev = core_rev; - core->index = current_core; - } - } - - if (!bcm->core_80211[0].available) { - printk(KERN_ERR PFX "Error: No 80211 core found!\n"); - err = -ENODEV; - goto out; - } - - err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]); - - assert(err == 0); -out: - return err; -} - -static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm) -{ - const u8 *mac = (const u8*)(bcm->net_dev->dev_addr); - u8 *bssid = bcm->ieee->bssid; - - switch (bcm->ieee->iw_mode) { - case IW_MODE_ADHOC: - random_ether_addr(bssid); - break; - case IW_MODE_MASTER: - case IW_MODE_INFRA: - case IW_MODE_REPEAT: - case IW_MODE_SECOND: - case IW_MODE_MONITOR: - memcpy(bssid, mac, ETH_ALEN); - break; - default: - assert(0); - } -} - -static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm, - u16 rate, - int is_ofdm) -{ - u16 offset; - - if (is_ofdm) { - offset = 0x480; - offset += (bcm43xx_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; - } - else { - offset = 0x4C0; - offset += (bcm43xx_plcp_get_ratecode_cck(rate) & 0x000F) * 2; - } - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20, - bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset)); -} - -static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm) -{ - switch (bcm43xx_current_phy(bcm)->type) { - case BCM43xx_PHYTYPE_A: - case BCM43xx_PHYTYPE_G: - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1); - bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1); - case BCM43xx_PHYTYPE_B: - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0); - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0); - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0); - bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0); - break; - default: - assert(0); - } -} - -static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm) -{ - bcm43xx_chip_cleanup(bcm); - bcm43xx_pio_free(bcm); - bcm43xx_dma_free(bcm); - - bcm->current_core->initialized = 0; -} - -/* http://bcm-specs.sipsolutions.net/80211Init */ -static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm, - int active_wlcore) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u32 ucodeflags; - int err; - u32 sbimconfiglow; - u8 limit; - - if (bcm->core_pci.rev <= 5 && bcm->core_pci.id != BCM43xx_COREID_PCIE) { - sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); - sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; - sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; - if (bcm->bustype == BCM43xx_BUSTYPE_PCI) - sbimconfiglow |= 0x32; - else - sbimconfiglow |= 0x53; - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow); - } - - bcm43xx_phy_calibrate(bcm); - err = bcm43xx_chip_init(bcm); - if (err) - goto out; - - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev); - ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET); - - if (0 /*FIXME: which condition has to be used here? */) - ucodeflags |= 0x00000010; - - /* HW decryption needs to be set now */ - ucodeflags |= 0x40000000; - - if (phy->type == BCM43xx_PHYTYPE_G) { - ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; - if (phy->rev == 1) - ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY; - if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) - ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL; - } else if (phy->type == BCM43xx_PHYTYPE_B) { - ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; - if (phy->rev >= 2 && radio->version == 0x2050) - ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY; - } - - if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET)) { - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, ucodeflags); - } - - /* Short/Long Retry Limit. - * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. - */ - limit = limit_value(modparam_short_retry, 0, 0xF); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit); - limit = limit_value(modparam_long_retry, 0, 0xF); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit); - - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2); - - bcm43xx_rate_memory_init(bcm); - - /* Minimum Contention Window */ - if (phy->type == BCM43xx_PHYTYPE_B) - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f); - else - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f); - /* Maximum Contention Window */ - bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); - - bcm43xx_gen_bssid(bcm); - bcm43xx_write_mac_bssid_templates(bcm); - - if (bcm->current_core->rev >= 5) - bcm43xx_write16(bcm, 0x043C, 0x000C); - - if (active_wlcore) { - if (bcm43xx_using_pio(bcm)) { - err = bcm43xx_pio_init(bcm); - } else { - err = bcm43xx_dma_init(bcm); - if (err == -ENOSYS) - err = bcm43xx_pio_init(bcm); - } - if (err) - goto err_chip_cleanup; - } - bcm43xx_write16(bcm, 0x0612, 0x0050); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4); - - if (active_wlcore) { - if (radio->initial_channel != 0xFF) - bcm43xx_radio_selectchannel(bcm, radio->initial_channel, 0); - } - - /* Don't enable MAC/IRQ here, as it will race with the IRQ handler. - * We enable it later. - */ - bcm->current_core->initialized = 1; -out: - return err; - -err_chip_cleanup: - bcm43xx_chip_cleanup(bcm); - goto out; -} - -static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm) -{ - int err; - u16 pci_status; - - err = bcm43xx_pctl_set_crystal(bcm, 1); - if (err) - goto out; - err = bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status); - if (err) - goto out; - err = bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT); - -out: - return err; -} - -static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm) -{ - bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); - bcm43xx_pctl_set_crystal(bcm, 0); -} - -static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm, - u32 address, - u32 data) -{ - bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address); - bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data); -} - -static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm) -{ - int err = 0; - - bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - - if (bcm->core_chipcommon.available) { - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err) - goto out; - - bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); - - /* this function is always called when a PCI core is mapped */ - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (err) - goto out; - } else - bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); - - bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); - -out: - return err; -} - -static u32 bcm43xx_pcie_reg_read(struct bcm43xx_private *bcm, u32 address) -{ - bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address); - return bcm43xx_read32(bcm, BCM43xx_PCIECORE_REG_DATA); -} - -static void bcm43xx_pcie_reg_write(struct bcm43xx_private *bcm, u32 address, - u32 data) -{ - bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_ADDR, address); - bcm43xx_write32(bcm, BCM43xx_PCIECORE_REG_DATA, data); -} - -static void bcm43xx_pcie_mdio_write(struct bcm43xx_private *bcm, u8 dev, u8 reg, - u16 data) -{ - int i; - - bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0x0082); - bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_DATA, BCM43xx_PCIE_MDIO_ST | - BCM43xx_PCIE_MDIO_WT | (dev << BCM43xx_PCIE_MDIO_DEV) | - (reg << BCM43xx_PCIE_MDIO_REG) | BCM43xx_PCIE_MDIO_TA | - data); - udelay(10); - - for (i = 0; i < 10; i++) { - if (bcm43xx_read32(bcm, BCM43xx_PCIECORE_MDIO_CTL) & - BCM43xx_PCIE_MDIO_TC) - break; - msleep(1); - } - bcm43xx_write32(bcm, BCM43xx_PCIECORE_MDIO_CTL, 0); -} - -/* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable. - * To enable core 0, pass a core_mask of 1<<0 - */ -static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm, - u32 core_mask) -{ - u32 backplane_flag_nr; - u32 value; - struct bcm43xx_coreinfo *old_core; - int err = 0; - - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG); - backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK; - - old_core = bcm->current_core; - err = bcm43xx_switch_core(bcm, &bcm->core_pci); - if (err) - goto out; - - if (bcm->current_core->rev < 6 && - bcm->current_core->id == BCM43xx_COREID_PCI) { - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC); - value |= (1 << backplane_flag_nr); - bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value); - } else { - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value); - if (err) { - printk(KERN_ERR PFX "Error: ICR setup failure!\n"); - goto out_switch_back; - } - value |= core_mask << 8; - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value); - if (err) { - printk(KERN_ERR PFX "Error: ICR setup failure!\n"); - goto out_switch_back; - } - } - - if (bcm->current_core->id == BCM43xx_COREID_PCI) { - value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); - value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST; - bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); - - if (bcm->current_core->rev < 5) { - value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); - value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT) - & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; - value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT) - & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; - bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value); - err = bcm43xx_pcicore_commit_settings(bcm); - assert(err == 0); - } else if (bcm->current_core->rev >= 11) { - value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); - value |= BCM43xx_SBTOPCI2_MEMREAD_MULTI; - bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); - } - } else { - if (bcm->current_core->rev == 0 || bcm->current_core->rev == 1) { - value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_TLP_WORKAROUND); - value |= 0x8; - bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_TLP_WORKAROUND, - value); - } - if (bcm->current_core->rev == 0) { - bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, - BCM43xx_SERDES_RXTIMER, 0x8128); - bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, - BCM43xx_SERDES_CDR, 0x0100); - bcm43xx_pcie_mdio_write(bcm, BCM43xx_MDIO_SERDES_RX, - BCM43xx_SERDES_CDR_BW, 0x1466); - } else if (bcm->current_core->rev == 1) { - value = bcm43xx_pcie_reg_read(bcm, BCM43xx_PCIE_DLLP_LINKCTL); - value |= 0x40; - bcm43xx_pcie_reg_write(bcm, BCM43xx_PCIE_DLLP_LINKCTL, - value); - } - } -out_switch_back: - err = bcm43xx_switch_core(bcm, old_core); -out: - return err; -} - -static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2) - return; - - bcm43xx_mac_suspend(bcm); - bcm43xx_phy_lo_g_measure(bcm); - bcm43xx_mac_enable(bcm); -} - -static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm) -{ - bcm43xx_phy_lo_mark_all_unused(bcm); - if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { - bcm43xx_mac_suspend(bcm); - bcm43xx_calc_nrssi_slope(bcm); - bcm43xx_mac_enable(bcm); - } -} - -static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm) -{ - /* Update device statistics. */ - bcm43xx_calculate_link_quality(bcm); -} - -static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm) -{ - bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning? - //TODO for APHY (temperature?) -} - -static void bcm43xx_periodic_every1sec(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - int radio_hw_enable; - - /* check if radio hardware enabled status changed */ - radio_hw_enable = bcm43xx_is_hw_radio_enabled(bcm); - if (unlikely(bcm->radio_hw_enable != radio_hw_enable)) { - bcm->radio_hw_enable = radio_hw_enable; - printk(KERN_INFO PFX "Radio hardware status changed to %s\n", - (radio_hw_enable == 0) ? "disabled" : "enabled"); - bcm43xx_leds_update(bcm, 0); - } - if (phy->type == BCM43xx_PHYTYPE_G) { - //TODO: update_aci_moving_average - if (radio->aci_enable && radio->aci_wlan_automatic) { - bcm43xx_mac_suspend(bcm); - if (!radio->aci_enable && 1 /*TODO: not scanning? */) { - if (0 /*TODO: bunch of conditions*/) { - bcm43xx_radio_set_interference_mitigation(bcm, - BCM43xx_RADIO_INTERFMODE_MANUALWLAN); - } - } else if (1/*TODO*/) { - /* - if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) { - bcm43xx_radio_set_interference_mitigation(bcm, - BCM43xx_RADIO_INTERFMODE_NONE); - } - */ - } - bcm43xx_mac_enable(bcm); - } else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN && - phy->rev == 1) { - //TODO: implement rev1 workaround - } - } -} - -static void do_periodic_work(struct bcm43xx_private *bcm) -{ - if (bcm->periodic_state % 120 == 0) - bcm43xx_periodic_every120sec(bcm); - if (bcm->periodic_state % 60 == 0) - bcm43xx_periodic_every60sec(bcm); - if (bcm->periodic_state % 30 == 0) - bcm43xx_periodic_every30sec(bcm); - if (bcm->periodic_state % 15 == 0) - bcm43xx_periodic_every15sec(bcm); - bcm43xx_periodic_every1sec(bcm); - - schedule_delayed_work(&bcm->periodic_work, HZ); -} - -static void bcm43xx_periodic_work_handler(struct work_struct *work) -{ - struct bcm43xx_private *bcm = - container_of(work, struct bcm43xx_private, periodic_work.work); - struct net_device *net_dev = bcm->net_dev; - unsigned long flags; - u32 savedirqs = 0; - unsigned long orig_trans_start = 0; - - mutex_lock(&bcm->mutex); - /* keep from doing and rearming periodic work if shutting down */ - if (bcm43xx_status(bcm) == BCM43xx_STAT_UNINIT) - goto unlock_mutex; - if (unlikely(bcm->periodic_state % 60 == 0)) { - /* Periodic work will take a long time, so we want it to - * be preemtible. - */ - - netif_tx_lock_bh(net_dev); - /* We must fake a started transmission here, as we are going to - * disable TX. If we wouldn't fake a TX, it would be possible to - * trigger the netdev watchdog, if the last real TX is already - * some time on the past (slightly less than 5secs) - */ - orig_trans_start = net_dev->trans_start; - net_dev->trans_start = jiffies; - netif_stop_queue(net_dev); - netif_tx_unlock_bh(net_dev); - - spin_lock_irqsave(&bcm->irq_lock, flags); - bcm43xx_mac_suspend(bcm); - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_freeze_txqueues(bcm); - savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - bcm43xx_synchronize_irq(bcm); - } else { - /* Periodic work should take short time, so we want low - * locking overhead. - */ - spin_lock_irqsave(&bcm->irq_lock, flags); - } - - do_periodic_work(bcm); - - if (unlikely(bcm->periodic_state % 60 == 0)) { - spin_lock_irqsave(&bcm->irq_lock, flags); - tasklet_enable(&bcm->isr_tasklet); - bcm43xx_interrupt_enable(bcm, savedirqs); - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_thaw_txqueues(bcm); - bcm43xx_mac_enable(bcm); - netif_wake_queue(bcm->net_dev); - net_dev->trans_start = orig_trans_start; - } - mmiowb(); - bcm->periodic_state++; - spin_unlock_irqrestore(&bcm->irq_lock, flags); -unlock_mutex: - mutex_unlock(&bcm->mutex); -} - -void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) -{ - struct delayed_work *work = &bcm->periodic_work; - - assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - INIT_DELAYED_WORK(work, bcm43xx_periodic_work_handler); - schedule_delayed_work(work, 0); -} - -static void bcm43xx_security_init(struct bcm43xx_private *bcm) -{ - bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - 0x0056) * 2; - bcm43xx_clear_keys(bcm); -} - -static int bcm43xx_rng_read(struct hwrng *rng, u32 *data) -{ - struct bcm43xx_private *bcm = (struct bcm43xx_private *)rng->priv; - unsigned long flags; - - spin_lock_irqsave(&(bcm)->irq_lock, flags); - *data = bcm43xx_read16(bcm, BCM43xx_MMIO_RNG); - spin_unlock_irqrestore(&(bcm)->irq_lock, flags); - - return (sizeof(u16)); -} - -static void bcm43xx_rng_exit(struct bcm43xx_private *bcm) -{ - hwrng_unregister(&bcm->rng); -} - -static int bcm43xx_rng_init(struct bcm43xx_private *bcm) -{ - int err; - - snprintf(bcm->rng_name, ARRAY_SIZE(bcm->rng_name), - "%s_%s", KBUILD_MODNAME, bcm->net_dev->name); - bcm->rng.name = bcm->rng_name; - bcm->rng.data_read = bcm43xx_rng_read; - bcm->rng.priv = (unsigned long)bcm; - err = hwrng_register(&bcm->rng); - if (err) - printk(KERN_ERR PFX "RNG init failed (%d)\n", err); - - return err; -} - -void bcm43xx_cancel_work(struct bcm43xx_private *bcm) -{ - /* The system must be unlocked when this routine is entered. - * If not, the next 2 steps may deadlock */ - cancel_work_sync(&bcm->restart_work); - cancel_delayed_work_sync(&bcm->periodic_work); -} - -static int bcm43xx_shutdown_all_wireless_cores(struct bcm43xx_private *bcm) -{ - int ret = 0; - int i, err; - struct bcm43xx_coreinfo *core; - - bcm43xx_set_status(bcm, BCM43xx_STAT_SHUTTINGDOWN); - for (i = 0; i < bcm->nr_80211_available; i++) { - core = &(bcm->core_80211[i]); - assert(core->available); - if (!core->initialized) - continue; - err = bcm43xx_switch_core(bcm, core); - if (err) { - dprintk(KERN_ERR PFX "shutdown_all_wireless_cores " - "switch_core failed (%d)\n", err); - ret = err; - continue; - } - bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); - bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ - bcm43xx_wireless_core_cleanup(bcm); - if (core == bcm->active_80211_core) - bcm->active_80211_core = NULL; - } - free_irq(bcm->irq, bcm); - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - - return ret; -} - -/* This is the opposite of bcm43xx_init_board() */ -static void bcm43xx_free_board(struct bcm43xx_private *bcm) -{ - bcm43xx_rng_exit(bcm); - bcm43xx_sysfs_unregister(bcm); - - mutex_lock(&(bcm)->mutex); - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - mutex_unlock(&(bcm)->mutex); - - bcm43xx_cancel_work(bcm); - - mutex_lock(&(bcm)->mutex); - bcm43xx_shutdown_all_wireless_cores(bcm); - bcm43xx_pctl_set_crystal(bcm, 0); - mutex_unlock(&(bcm)->mutex); -} - -static void prepare_phydata_for_init(struct bcm43xx_phyinfo *phy) -{ - phy->antenna_diversity = 0xFFFF; - memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); - memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); - - /* Flags */ - phy->calibrated = 0; - phy->is_locked = 0; - - if (phy->_lo_pairs) { - memset(phy->_lo_pairs, 0, - sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT); - } - memset(phy->loopback_gain, 0, sizeof(phy->loopback_gain)); -} - -static void prepare_radiodata_for_init(struct bcm43xx_private *bcm, - struct bcm43xx_radioinfo *radio) -{ - int i; - - /* Set default attenuation values. */ - radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm); - radio->radio_atten = bcm43xx_default_radio_attenuation(bcm); - radio->txctl1 = bcm43xx_default_txctl1(bcm); - radio->txctl2 = 0xFFFF; - radio->txpwr_offset = 0; - - /* NRSSI */ - radio->nrssislope = 0; - for (i = 0; i < ARRAY_SIZE(radio->nrssi); i++) - radio->nrssi[i] = -1000; - for (i = 0; i < ARRAY_SIZE(radio->nrssi_lt); i++) - radio->nrssi_lt[i] = i; - - radio->lofcal = 0xFFFF; - radio->initval = 0xFFFF; - - radio->aci_enable = 0; - radio->aci_wlan_automatic = 0; - radio->aci_hw_rssi = 0; -} - -static void prepare_priv_for_init(struct bcm43xx_private *bcm) -{ - int i; - struct bcm43xx_coreinfo *core; - struct bcm43xx_coreinfo_80211 *wlext; - - assert(!bcm->active_80211_core); - - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING); - - /* Flags */ - bcm->was_initialized = 0; - bcm->reg124_set_0x4 = 0; - - /* Stats */ - memset(&bcm->stats, 0, sizeof(bcm->stats)); - - /* Wireless core data */ - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - core = &(bcm->core_80211[i]); - wlext = core->priv; - - if (!core->available) - continue; - assert(wlext == &(bcm->core_80211_ext[i])); - - prepare_phydata_for_init(&wlext->phy); - prepare_radiodata_for_init(bcm, &wlext->radio); - } - - /* IRQ related flags */ - bcm->irq_reason = 0; - memset(bcm->dma_reason, 0, sizeof(bcm->dma_reason)); - bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; - - bcm->mac_suspended = 1; - - /* Noise calculation context */ - memset(&bcm->noisecalc, 0, sizeof(bcm->noisecalc)); - - /* Periodic work context */ - bcm->periodic_state = 0; -} - -static int wireless_core_up(struct bcm43xx_private *bcm, - int active_wlcore) -{ - int err; - - if (!bcm43xx_core_enabled(bcm)) - bcm43xx_wireless_core_reset(bcm, 1); - if (!active_wlcore) - bcm43xx_wireless_core_mark_inactive(bcm); - err = bcm43xx_wireless_core_init(bcm, active_wlcore); - if (err) - goto out; - if (!active_wlcore) - bcm43xx_radio_turn_off(bcm); -out: - return err; -} - -/* Select and enable the "to be used" wireless core. - * Locking: bcm->mutex must be aquired before calling this. - * bcm->irq_lock must not be aquired. - */ -int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm, - int phytype) -{ - int i, err; - struct bcm43xx_coreinfo *active_core = NULL; - struct bcm43xx_coreinfo_80211 *active_wlext = NULL; - struct bcm43xx_coreinfo *core; - struct bcm43xx_coreinfo_80211 *wlext; - int adjust_active_sbtmstatelow = 0; - - might_sleep(); - - if (phytype < 0) { - /* If no phytype is requested, select the first core. */ - assert(bcm->core_80211[0].available); - wlext = bcm->core_80211[0].priv; - phytype = wlext->phy.type; - } - /* Find the requested core. */ - for (i = 0; i < bcm->nr_80211_available; i++) { - core = &(bcm->core_80211[i]); - wlext = core->priv; - if (wlext->phy.type == phytype) { - active_core = core; - active_wlext = wlext; - break; - } - } - if (!active_core) - return -ESRCH; /* No such PHYTYPE on this board. */ - - if (bcm->active_80211_core) { - /* We already selected a wl core in the past. - * So first clean up everything. - */ - dprintk(KERN_INFO PFX "select_wireless_core: cleanup\n"); - ieee80211softmac_stop(bcm->net_dev); - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED); - err = bcm43xx_disable_interrupts_sync(bcm); - assert(!err); - tasklet_enable(&bcm->isr_tasklet); - err = bcm43xx_shutdown_all_wireless_cores(bcm); - if (err) - goto error; - /* Ok, everything down, continue to re-initialize. */ - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZING); - } - - /* Reset all data structures. */ - prepare_priv_for_init(bcm); - - err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST); - if (err) - goto error; - - /* Mark all unused cores "inactive". */ - for (i = 0; i < bcm->nr_80211_available; i++) { - core = &(bcm->core_80211[i]); - wlext = core->priv; - - if (core == active_core) - continue; - err = bcm43xx_switch_core(bcm, core); - if (err) { - dprintk(KERN_ERR PFX "Could not switch to inactive " - "802.11 core (%d)\n", err); - goto error; - } - err = wireless_core_up(bcm, 0); - if (err) { - dprintk(KERN_ERR PFX "core_up for inactive 802.11 core " - "failed (%d)\n", err); - goto error; - } - adjust_active_sbtmstatelow = 1; - } - - /* Now initialize the active 802.11 core. */ - err = bcm43xx_switch_core(bcm, active_core); - if (err) { - dprintk(KERN_ERR PFX "Could not switch to active " - "802.11 core (%d)\n", err); - goto error; - } - if (adjust_active_sbtmstatelow && - active_wlext->phy.type == BCM43xx_PHYTYPE_G) { - u32 sbtmstatelow; - - sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - sbtmstatelow |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); - } - err = wireless_core_up(bcm, 1); - if (err) { - dprintk(KERN_ERR PFX "core_up for active 802.11 core " - "failed (%d)\n", err); - goto error; - } - err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC); - if (err) - goto error; - bcm->active_80211_core = active_core; - - bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); - bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr)); - bcm43xx_security_init(bcm); - drain_txstatus_queue(bcm); - ieee80211softmac_start(bcm->net_dev); - - /* Let's go! Be careful after enabling the IRQs. - * Don't switch cores, for example. - */ - bcm43xx_mac_enable(bcm); - bcm43xx_set_status(bcm, BCM43xx_STAT_INITIALIZED); - err = bcm43xx_initialize_irq(bcm); - if (err) - goto error; - bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); - - dprintk(KERN_INFO PFX "Selected 802.11 core (phytype %d)\n", - active_wlext->phy.type); - - return 0; - -error: - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); - return err; -} - -static int bcm43xx_init_board(struct bcm43xx_private *bcm) -{ - int err; - - mutex_lock(&(bcm)->mutex); - - tasklet_enable(&bcm->isr_tasklet); - err = bcm43xx_pctl_set_crystal(bcm, 1); - if (err) - goto err_tasklet; - err = bcm43xx_pctl_init(bcm); - if (err) - goto err_crystal_off; - err = bcm43xx_select_wireless_core(bcm, -1); - if (err) - goto err_crystal_off; - err = bcm43xx_sysfs_register(bcm); - if (err) - goto err_wlshutdown; - err = bcm43xx_rng_init(bcm); - if (err) - goto err_sysfs_unreg; - bcm43xx_periodic_tasks_setup(bcm); - - /*FIXME: This should be handled by softmac instead. */ - schedule_delayed_work(&bcm->softmac->associnfo.work, 0); - -out: - mutex_unlock(&(bcm)->mutex); - - return err; - -err_sysfs_unreg: - bcm43xx_sysfs_unregister(bcm); -err_wlshutdown: - bcm43xx_shutdown_all_wireless_cores(bcm); -err_crystal_off: - bcm43xx_pctl_set_crystal(bcm, 0); -err_tasklet: - tasklet_disable(&bcm->isr_tasklet); - goto out; -} - -static void bcm43xx_detach_board(struct bcm43xx_private *bcm) -{ - struct pci_dev *pci_dev = bcm->pci_dev; - int i; - - bcm43xx_chipset_detach(bcm); - /* Do _not_ access the chip, after it is detached. */ - pci_iounmap(pci_dev, bcm->mmio_addr); - pci_release_regions(pci_dev); - pci_disable_device(pci_dev); - - /* Free allocated structures/fields */ - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - kfree(bcm->core_80211_ext[i].phy._lo_pairs); - if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) - kfree(bcm->core_80211_ext[i].phy.tssi2dbm); - } -} - -static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 value; - u8 phy_analog; - u8 phy_type; - u8 phy_rev; - int phy_rev_ok = 1; - void *p; - - value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); - - phy_analog = (value & 0xF000) >> 12; - phy_type = (value & 0x0F00) >> 8; - phy_rev = (value & 0x000F); - - dprintk(KERN_INFO PFX "Detected PHY: Analog: %x, Type %x, Revision %x\n", - phy_analog, phy_type, phy_rev); - - switch (phy_type) { - case BCM43xx_PHYTYPE_A: - if (phy_rev >= 4) - phy_rev_ok = 0; - /*FIXME: We need to switch the ieee->modulation, etc.. flags, - * if we switch 80211 cores after init is done. - * As we do not implement on the fly switching between - * wireless cores, I will leave this as a future task. - */ - bcm->ieee->modulation = IEEE80211_OFDM_MODULATION; - bcm->ieee->mode = IEEE_A; - bcm->ieee->freq_band = IEEE80211_52GHZ_BAND | - IEEE80211_24GHZ_BAND; - break; - case BCM43xx_PHYTYPE_B: - if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7) - phy_rev_ok = 0; - bcm->ieee->modulation = IEEE80211_CCK_MODULATION; - bcm->ieee->mode = IEEE_B; - bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; - break; - case BCM43xx_PHYTYPE_G: - if (phy_rev > 8) - phy_rev_ok = 0; - bcm->ieee->modulation = IEEE80211_OFDM_MODULATION | - IEEE80211_CCK_MODULATION; - bcm->ieee->mode = IEEE_G; - bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; - break; - default: - printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n", - phy_type); - return -ENODEV; - }; - bcm->ieee->perfect_rssi = RX_RSSI_MAX; - bcm->ieee->worst_rssi = 0; - if (!phy_rev_ok) { - printk(KERN_WARNING PFX "Invalid PHY Revision %x\n", - phy_rev); - } - - phy->analog = phy_analog; - phy->type = phy_type; - phy->rev = phy_rev; - if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) { - p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT, - GFP_KERNEL); - if (!p) - return -ENOMEM; - phy->_lo_pairs = p; - } - - return 0; -} - -static int bcm43xx_attach_board(struct bcm43xx_private *bcm) -{ - struct pci_dev *pci_dev = bcm->pci_dev; - struct net_device *net_dev = bcm->net_dev; - int err; - int i; - u32 coremask; - - err = pci_enable_device(pci_dev); - if (err) { - printk(KERN_ERR PFX "pci_enable_device() failed\n"); - goto out; - } - err = pci_request_regions(pci_dev, KBUILD_MODNAME); - if (err) { - printk(KERN_ERR PFX "pci_request_regions() failed\n"); - goto err_pci_disable; - } - /* enable PCI bus-mastering */ - pci_set_master(pci_dev); - bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL); - if (!bcm->mmio_addr) { - printk(KERN_ERR PFX "pci_iomap() failed\n"); - err = -EIO; - goto err_pci_release; - } - net_dev->base_addr = (unsigned long)bcm->mmio_addr; - - err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID, - &bcm->board_vendor); - if (err) - goto err_iounmap; - err = bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID, - &bcm->board_type); - if (err) - goto err_iounmap; - - bcm->board_revision = bcm->pci_dev->revision; - - err = bcm43xx_chipset_attach(bcm); - if (err) - goto err_iounmap; - err = bcm43xx_pctl_init(bcm); - if (err) - goto err_chipset_detach; - err = bcm43xx_probe_cores(bcm); - if (err) - goto err_chipset_detach; - - /* Attach all IO cores to the backplane. */ - coremask = 0; - for (i = 0; i < bcm->nr_80211_available; i++) - coremask |= (1 << bcm->core_80211[i].index); - //FIXME: Also attach some non80211 cores? - err = bcm43xx_setup_backplane_pci_connection(bcm, coremask); - if (err) { - printk(KERN_ERR PFX "Backplane->PCI connection failed!\n"); - goto err_chipset_detach; - } - - err = bcm43xx_sprom_extract(bcm); - if (err) - goto err_chipset_detach; - err = bcm43xx_leds_init(bcm); - if (err) - goto err_chipset_detach; - - for (i = 0; i < bcm->nr_80211_available; i++) { - err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); - assert(err != -ENODEV); - if (err) - goto err_80211_unwind; - - /* Enable the selected wireless core. - * Connect PHY only on the first core. - */ - bcm43xx_wireless_core_reset(bcm, (i == 0)); - - err = bcm43xx_read_phyinfo(bcm); - if (err && (i == 0)) - goto err_80211_unwind; - - err = bcm43xx_read_radioinfo(bcm); - if (err && (i == 0)) - goto err_80211_unwind; - - err = bcm43xx_validate_chip(bcm); - if (err && (i == 0)) - goto err_80211_unwind; - - bcm43xx_radio_turn_off(bcm); - err = bcm43xx_phy_init_tssi2dbm_table(bcm); - if (err) - goto err_80211_unwind; - bcm43xx_wireless_core_disable(bcm); - } - err = bcm43xx_geo_init(bcm); - if (err) - goto err_80211_unwind; - bcm43xx_pctl_set_crystal(bcm, 0); - - /* Set the MAC address in the networking subsystem */ - if (is_valid_ether_addr(bcm->sprom.et1macaddr)) - memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6); - else - memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6); - - snprintf(bcm->nick, IW_ESSID_MAX_SIZE, - "Broadcom %04X", bcm->chip_id); - - assert(err == 0); -out: - return err; - -err_80211_unwind: - for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { - kfree(bcm->core_80211_ext[i].phy._lo_pairs); - if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) - kfree(bcm->core_80211_ext[i].phy.tssi2dbm); - } -err_chipset_detach: - bcm43xx_chipset_detach(bcm); -err_iounmap: - pci_iounmap(pci_dev, bcm->mmio_addr); -err_pci_release: - pci_release_regions(pci_dev); -err_pci_disable: - pci_disable_device(pci_dev); - printk(KERN_ERR PFX "Unable to attach board\n"); - goto out; -} - -/* Do the Hardware IO operations to send the txb */ -static inline int bcm43xx_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb) -{ - int err = -ENODEV; - - if (bcm43xx_using_pio(bcm)) - err = bcm43xx_pio_tx(bcm, txb); - else - err = bcm43xx_dma_tx(bcm, txb); - bcm->net_dev->trans_start = jiffies; - - return err; -} - -static void bcm43xx_ieee80211_set_chan(struct net_device *net_dev, - u8 channel) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct bcm43xx_radioinfo *radio; - unsigned long flags; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - bcm43xx_mac_suspend(bcm); - bcm43xx_radio_selectchannel(bcm, channel, 0); - bcm43xx_mac_enable(bcm); - } else { - radio = bcm43xx_current_radio(bcm); - radio->initial_channel = channel; - } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); -} - -/* set_security() callback in struct ieee80211_device */ -static void bcm43xx_ieee80211_set_security(struct net_device *net_dev, - struct ieee80211_security *sec) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct ieee80211_security *secinfo = &bcm->ieee->sec; - unsigned long flags; - int keyidx; - - dprintk(KERN_INFO PFX "set security called"); - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - - for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) - if (sec->flags & (1<<keyidx)) { - secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx]; - secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx]; - memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN); - } - - if (sec->flags & SEC_ACTIVE_KEY) { - secinfo->active_key = sec->active_key; - dprintk(", .active_key = %d", sec->active_key); - } - if (sec->flags & SEC_UNICAST_GROUP) { - secinfo->unicast_uses_group = sec->unicast_uses_group; - dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group); - } - if (sec->flags & SEC_LEVEL) { - secinfo->level = sec->level; - dprintk(", .level = %d", sec->level); - } - if (sec->flags & SEC_ENABLED) { - secinfo->enabled = sec->enabled; - dprintk(", .enabled = %d", sec->enabled); - } - if (sec->flags & SEC_ENCRYPT) { - secinfo->encrypt = sec->encrypt; - dprintk(", .encrypt = %d", sec->encrypt); - } - if (sec->flags & SEC_AUTH_MODE) { - secinfo->auth_mode = sec->auth_mode; - dprintk(", .auth_mode = %d", sec->auth_mode); - } - dprintk("\n"); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED && - !bcm->ieee->host_encrypt) { - if (secinfo->enabled) { - /* upload WEP keys to hardware */ - char null_address[6] = { 0 }; - u8 algorithm = 0; - for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) { - if (!(sec->flags & (1<<keyidx))) - continue; - switch (sec->encode_alg[keyidx]) { - case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break; - case SEC_ALG_WEP: - algorithm = BCM43xx_SEC_ALGO_WEP; - if (secinfo->key_sizes[keyidx] == 13) - algorithm = BCM43xx_SEC_ALGO_WEP104; - break; - case SEC_ALG_TKIP: - FIXME(); - algorithm = BCM43xx_SEC_ALGO_TKIP; - break; - case SEC_ALG_CCMP: - FIXME(); - algorithm = BCM43xx_SEC_ALGO_AES; - break; - default: - assert(0); - break; - } - bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]); - bcm->key[keyidx].enabled = 1; - bcm->key[keyidx].algorithm = algorithm; - } - } else - bcm43xx_clear_keys(bcm); - } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); -} - -/* hard_start_xmit() callback in struct ieee80211_device */ -static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb, - struct net_device *net_dev, - int pri) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err = -ENODEV; - unsigned long flags; - - spin_lock_irqsave(&bcm->irq_lock, flags); - if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)) - err = bcm43xx_tx(bcm, txb); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - - if (unlikely(err)) - return NETDEV_TX_BUSY; - return NETDEV_TX_OK; -} - -static void bcm43xx_net_tx_timeout(struct net_device *net_dev) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - - spin_lock_irqsave(&bcm->irq_lock, flags); - bcm43xx_controller_restart(bcm, "TX timeout"); - spin_unlock_irqrestore(&bcm->irq_lock, flags); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void bcm43xx_net_poll_controller(struct net_device *net_dev) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - - local_irq_save(flags); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) - bcm43xx_interrupt_handler(bcm->irq, bcm); - local_irq_restore(flags); -} -#endif /* CONFIG_NET_POLL_CONTROLLER */ - -static int bcm43xx_net_open(struct net_device *net_dev) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - - return bcm43xx_init_board(bcm); -} - -static int bcm43xx_net_stop(struct net_device *net_dev) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - ieee80211softmac_stop(net_dev); - err = bcm43xx_disable_interrupts_sync(bcm); - assert(!err); - bcm43xx_free_board(bcm); - bcm43xx_cancel_work(bcm); - - return 0; -} - -static int bcm43xx_init_private(struct bcm43xx_private *bcm, - struct net_device *net_dev, - struct pci_dev *pci_dev) -{ - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); - bcm->ieee = netdev_priv(net_dev); - bcm->softmac = ieee80211_priv(net_dev); - bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan; - - bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; - bcm->mac_suspended = 1; - bcm->pci_dev = pci_dev; - bcm->net_dev = net_dev; - bcm->bad_frames_preempt = modparam_bad_frames_preempt; - spin_lock_init(&bcm->irq_lock); - spin_lock_init(&bcm->leds_lock); - mutex_init(&bcm->mutex); - tasklet_init(&bcm->isr_tasklet, - (void (*)(unsigned long))bcm43xx_interrupt_tasklet, - (unsigned long)bcm); - tasklet_disable_nosync(&bcm->isr_tasklet); - if (modparam_pio) - bcm->__using_pio = 1; - bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD; - - /* default to sw encryption for now */ - bcm->ieee->host_build_iv = 0; - bcm->ieee->host_encrypt = 1; - bcm->ieee->host_decrypt = 1; - - bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE; - bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr); - bcm->ieee->set_security = bcm43xx_ieee80211_set_security; - bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit; - - return 0; -} - -static int __devinit bcm43xx_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *net_dev; - struct bcm43xx_private *bcm; - int err; - -#ifdef DEBUG_SINGLE_DEVICE_ONLY - if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY)) - return -ENODEV; -#endif - - net_dev = alloc_ieee80211softmac(sizeof(*bcm)); - if (!net_dev) { - printk(KERN_ERR PFX - "could not allocate ieee80211 device %s\n", - pci_name(pdev)); - err = -ENOMEM; - goto out; - } - /* initialize the net_device struct */ - SET_NETDEV_DEV(net_dev, &pdev->dev); - - net_dev->open = bcm43xx_net_open; - net_dev->stop = bcm43xx_net_stop; - net_dev->tx_timeout = bcm43xx_net_tx_timeout; -#ifdef CONFIG_NET_POLL_CONTROLLER - net_dev->poll_controller = bcm43xx_net_poll_controller; -#endif - net_dev->wireless_handlers = &bcm43xx_wx_handlers_def; - net_dev->irq = pdev->irq; - SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops); - - /* initialize the bcm43xx_private struct */ - bcm = bcm43xx_priv(net_dev); - memset(bcm, 0, sizeof(*bcm)); - err = bcm43xx_init_private(bcm, net_dev, pdev); - if (err) - goto err_free_netdev; - - pci_set_drvdata(pdev, net_dev); - - err = bcm43xx_attach_board(bcm); - if (err) - goto err_free_netdev; - - err = register_netdev(net_dev); - if (err) { - printk(KERN_ERR PFX "Cannot register net device, " - "aborting.\n"); - err = -ENOMEM; - goto err_detach_board; - } - - bcm43xx_debugfs_add_device(bcm); - - assert(err == 0); -out: - return err; - -err_detach_board: - bcm43xx_detach_board(bcm); -err_free_netdev: - free_ieee80211softmac(net_dev); - goto out; -} - -static void __devexit bcm43xx_remove_one(struct pci_dev *pdev) -{ - struct net_device *net_dev = pci_get_drvdata(pdev); - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - - bcm43xx_debugfs_remove_device(bcm); - unregister_netdev(net_dev); - bcm43xx_detach_board(bcm); - free_ieee80211softmac(net_dev); -} - -/* Hard-reset the chip. Do not call this directly. - * Use bcm43xx_controller_restart() - */ -static void bcm43xx_chip_reset(struct work_struct *work) -{ - struct bcm43xx_private *bcm = - container_of(work, struct bcm43xx_private, restart_work); - struct bcm43xx_phyinfo *phy; - int err = -ENODEV; - - bcm43xx_cancel_work(bcm); - mutex_lock(&(bcm)->mutex); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - phy = bcm43xx_current_phy(bcm); - err = bcm43xx_select_wireless_core(bcm, phy->type); - if (!err) - bcm43xx_periodic_tasks_setup(bcm); - } - mutex_unlock(&(bcm)->mutex); - - printk(KERN_ERR PFX "Controller restart%s\n", - (err == 0) ? "ed" : " failed"); -} - -/* Hard-reset the chip. - * This can be called from interrupt or process context. - * bcm->irq_lock must be locked. - */ -void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason) -{ - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) - return; - printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); - INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset); - schedule_work(&bcm->restart_work); -} - -#ifdef CONFIG_PM - -static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *net_dev = pci_get_drvdata(pdev); - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - dprintk(KERN_INFO PFX "Suspending...\n"); - - netif_device_detach(net_dev); - bcm->was_initialized = 0; - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - bcm->was_initialized = 1; - ieee80211softmac_stop(net_dev); - err = bcm43xx_disable_interrupts_sync(bcm); - if (unlikely(err)) { - dprintk(KERN_ERR PFX "Suspend failed.\n"); - return -EAGAIN; - } - bcm->firmware_norelease = 1; - bcm43xx_free_board(bcm); - bcm->firmware_norelease = 0; - } - bcm43xx_chipset_detach(bcm); - - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - - dprintk(KERN_INFO PFX "Device suspended.\n"); - - return 0; -} - -static int bcm43xx_resume(struct pci_dev *pdev) -{ - struct net_device *net_dev = pci_get_drvdata(pdev); - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err = 0; - - dprintk(KERN_INFO PFX "Resuming...\n"); - - pci_set_power_state(pdev, 0); - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR PFX "Failure with pci_enable_device!\n"); - return err; - } - pci_restore_state(pdev); - - bcm43xx_chipset_attach(bcm); - if (bcm->was_initialized) - err = bcm43xx_init_board(bcm); - if (err) { - printk(KERN_ERR PFX "Resume failed!\n"); - return err; - } - netif_device_attach(net_dev); - - dprintk(KERN_INFO PFX "Device resumed.\n"); - - return 0; -} - -#endif /* CONFIG_PM */ - -static struct pci_driver bcm43xx_pci_driver = { - .name = KBUILD_MODNAME, - .id_table = bcm43xx_pci_tbl, - .probe = bcm43xx_init_one, - .remove = __devexit_p(bcm43xx_remove_one), -#ifdef CONFIG_PM - .suspend = bcm43xx_suspend, - .resume = bcm43xx_resume, -#endif /* CONFIG_PM */ -}; - -static int __init bcm43xx_init(void) -{ - printk(KERN_INFO KBUILD_MODNAME " driver\n"); - bcm43xx_debugfs_init(); - return pci_register_driver(&bcm43xx_pci_driver); -} - -static void __exit bcm43xx_exit(void) -{ - pci_unregister_driver(&bcm43xx_pci_driver); - bcm43xx_debugfs_exit(); -} - -module_init(bcm43xx_init) -module_exit(bcm43xx_exit) diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h deleted file mode 100644 index 14cfbeb582ef..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef BCM43xx_MAIN_H_ -#define BCM43xx_MAIN_H_ - -#include "bcm43xx.h" - -#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes] -#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes) -/* Magic helper macro to pad structures. Ignore those above. It's magic. */ -#define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes)) - - -/* Lightweight function to convert a frequency (in Mhz) to a channel number. */ -static inline -u8 bcm43xx_freq_to_channel_a(int freq) -{ - return ((freq - 5000) / 5); -} -static inline -u8 bcm43xx_freq_to_channel_bg(int freq) -{ - u8 channel; - - if (freq == 2484) - channel = 14; - else - channel = (freq - 2407) / 5; - - return channel; -} -static inline -u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm, - int freq) -{ - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) - return bcm43xx_freq_to_channel_a(freq); - return bcm43xx_freq_to_channel_bg(freq); -} - -/* Lightweight function to convert a channel number to a frequency (in Mhz). */ -static inline -int bcm43xx_channel_to_freq_a(u8 channel) -{ - return (5000 + (5 * channel)); -} -static inline -int bcm43xx_channel_to_freq_bg(u8 channel) -{ - int freq; - - if (channel == 14) - freq = 2484; - else - freq = 2407 + (5 * channel); - - return freq; -} -static inline -int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm, - u8 channel) -{ - if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) - return bcm43xx_channel_to_freq_a(channel); - return bcm43xx_channel_to_freq_bg(channel); -} - -void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf); -void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf); - -void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, - int iw_mode); - -u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, - u16 routing, u16 offset); -u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, - u16 routing, u16 offset); -void bcm43xx_shm_write32(struct bcm43xx_private *bcm, - u16 routing, u16 offset, - u32 value); -void bcm43xx_shm_write16(struct bcm43xx_private *bcm, - u16 routing, u16 offset, - u16 value); - -void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm); - -int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core); - -int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm, - int phytype); - -void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy); - -void bcm43xx_mac_suspend(struct bcm43xx_private *bcm); -void bcm43xx_mac_enable(struct bcm43xx_private *bcm); - -void bcm43xx_cancel_work(struct bcm43xx_private *bcm); -void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm); - -void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason); - -int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom); -int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom); - -#endif /* BCM43xx_MAIN_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c b/drivers/net/wireless/bcm43xx/bcm43xx_phy.c deleted file mode 100644 index af3de3343650..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.c +++ /dev/null @@ -1,2346 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/types.h> - -#include "bcm43xx.h" -#include "bcm43xx_phy.h" -#include "bcm43xx_main.h" -#include "bcm43xx_radio.h" -#include "bcm43xx_ilt.h" -#include "bcm43xx_power.h" - - -static const s8 bcm43xx_tssi2dbm_b_table[] = { - 0x4D, 0x4C, 0x4B, 0x4A, - 0x4A, 0x49, 0x48, 0x47, - 0x47, 0x46, 0x45, 0x45, - 0x44, 0x43, 0x42, 0x42, - 0x41, 0x40, 0x3F, 0x3E, - 0x3D, 0x3C, 0x3B, 0x3A, - 0x39, 0x38, 0x37, 0x36, - 0x35, 0x34, 0x32, 0x31, - 0x30, 0x2F, 0x2D, 0x2C, - 0x2B, 0x29, 0x28, 0x26, - 0x25, 0x23, 0x21, 0x1F, - 0x1D, 0x1A, 0x17, 0x14, - 0x10, 0x0C, 0x06, 0x00, - -7, -7, -7, -7, - -7, -7, -7, -7, - -7, -7, -7, -7, -}; - -static const s8 bcm43xx_tssi2dbm_g_table[] = { - 77, 77, 77, 76, - 76, 76, 75, 75, - 74, 74, 73, 73, - 73, 72, 72, 71, - 71, 70, 70, 69, - 68, 68, 67, 67, - 66, 65, 65, 64, - 63, 63, 62, 61, - 60, 59, 58, 57, - 56, 55, 54, 53, - 52, 50, 49, 47, - 45, 43, 40, 37, - 33, 28, 22, 14, - 5, -7, -20, -20, - -20, -20, -20, -20, - -20, -20, -20, -20, -}; - -static void bcm43xx_phy_initg(struct bcm43xx_private *bcm); - - -static inline -void bcm43xx_voluntary_preempt(void) -{ - assert(!in_atomic() && !in_irq() && - !in_interrupt() && !irqs_disabled()); -#ifndef CONFIG_PREEMPT - cond_resched(); -#endif /* CONFIG_PREEMPT */ -} - -void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - assert(irqs_disabled()); - if (bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) == 0x00000000) { - phy->is_locked = 0; - return; - } - if (bcm->current_core->rev < 3) { - bcm43xx_mac_suspend(bcm); - spin_lock(&phy->lock); - } else { - if (bcm->ieee->iw_mode != IW_MODE_MASTER) - bcm43xx_power_saving_ctl_bits(bcm, -1, 1); - } - phy->is_locked = 1; -} - -void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - assert(irqs_disabled()); - if (bcm->current_core->rev < 3) { - if (phy->is_locked) { - spin_unlock(&phy->lock); - bcm43xx_mac_enable(bcm); - } - } else { - if (bcm->ieee->iw_mode != IW_MODE_MASTER) - bcm43xx_power_saving_ctl_bits(bcm, -1, -1); - } - phy->is_locked = 0; -} - -u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset) -{ - bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset); - return bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_DATA); -} - -void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val) -{ - bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_DATA, val); -} - -void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */ - if (phy->calibrated) - return; - if (phy->type == BCM43xx_PHYTYPE_G && phy->rev == 1) { - bcm43xx_wireless_core_reset(bcm, 0); - bcm43xx_phy_initg(bcm); - bcm43xx_wireless_core_reset(bcm, 1); - } - phy->calibrated = 1; -} - -/* Connect the PHY - * http://bcm-specs.sipsolutions.net/SetPHY - */ -int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u32 flags; - - if (bcm->current_core->rev < 5) - goto out; - - flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (connect) { - if (!(flags & BCM43xx_SBTMSTATEHIGH_G_PHY_AVAIL)) - return -ENODEV; - flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - flags |= BCM43xx_SBTMSTATELOW_G_MODE_ENABLE; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags); - } else { - if (!(flags & BCM43xx_SBTMSTATEHIGH_A_PHY_AVAIL)) - return -ENODEV; - flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); - flags &= ~BCM43xx_SBTMSTATELOW_G_MODE_ENABLE; - bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags); - } -out: - phy->connected = connect; - if (connect) - dprintk(KERN_INFO PFX "PHY connected\n"); - else - dprintk(KERN_INFO PFX "PHY disconnected\n"); - - return 0; -} - -/* intialize B PHY power control - * as described in http://bcm-specs.sipsolutions.net/InitPowerControl - */ -static void bcm43xx_phy_init_pctl(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 saved_batt = 0, saved_ratt = 0, saved_txctl1 = 0; - int must_reset_txpower = 0; - - assert(phy->type != BCM43xx_PHYTYPE_A); - if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) && - (bcm->board_type == 0x0416)) - return; - - bcm43xx_phy_write(bcm, 0x0028, 0x8018); - bcm43xx_write16(bcm, 0x03E6, bcm43xx_read16(bcm, 0x03E6) & 0xFFDF); - - if (phy->type == BCM43xx_PHYTYPE_G) { - if (!phy->connected) - return; - bcm43xx_phy_write(bcm, 0x047A, 0xC111); - } - if (phy->savedpctlreg != 0xFFFF) - return; - - if (phy->type == BCM43xx_PHYTYPE_B && - phy->rev >= 2 && - radio->version == 0x2050) { - bcm43xx_radio_write16(bcm, 0x0076, - bcm43xx_radio_read16(bcm, 0x0076) | 0x0084); - } else { - saved_batt = radio->baseband_atten; - saved_ratt = radio->radio_atten; - saved_txctl1 = radio->txctl1; - if ((radio->revision >= 6) && (radio->revision <= 8) - && /*FIXME: incomplete specs for 5 < revision < 9 */ 0) - bcm43xx_radio_set_txpower_bg(bcm, 0xB, 0x1F, 0); - else - bcm43xx_radio_set_txpower_bg(bcm, 0xB, 9, 0); - must_reset_txpower = 1; - } - bcm43xx_dummy_transmission(bcm); - - phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_PCTL); - - if (must_reset_txpower) - bcm43xx_radio_set_txpower_bg(bcm, saved_batt, saved_ratt, saved_txctl1); - else - bcm43xx_radio_write16(bcm, 0x0076, bcm43xx_radio_read16(bcm, 0x0076) & 0xFF7B); - bcm43xx_radio_clear_tssi(bcm); -} - -static void bcm43xx_phy_agcsetup(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 offset = 0x0000; - - if (phy->rev == 1) - offset = 0x4C00; - - bcm43xx_ilt_write(bcm, offset, 0x00FE); - bcm43xx_ilt_write(bcm, offset + 1, 0x000D); - bcm43xx_ilt_write(bcm, offset + 2, 0x0013); - bcm43xx_ilt_write(bcm, offset + 3, 0x0019); - - if (phy->rev == 1) { - bcm43xx_ilt_write(bcm, 0x1800, 0x2710); - bcm43xx_ilt_write(bcm, 0x1801, 0x9B83); - bcm43xx_ilt_write(bcm, 0x1802, 0x9B83); - bcm43xx_ilt_write(bcm, 0x1803, 0x0F8D); - bcm43xx_phy_write(bcm, 0x0455, 0x0004); - } - - bcm43xx_phy_write(bcm, 0x04A5, (bcm43xx_phy_read(bcm, 0x04A5) & 0x00FF) | 0x5700); - bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xFF80) | 0x000F); - bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xC07F) | 0x2B80); - bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xF0FF) | 0x0300); - - bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0008); - - bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xFFF0) | 0x0008); - bcm43xx_phy_write(bcm, 0x04A1, (bcm43xx_phy_read(bcm, 0x04A1) & 0xF0FF) | 0x0600); - bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xF0FF) | 0x0700); - bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xF0FF) | 0x0100); - - if (phy->rev == 1) - bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xFFF0) | 0x0007); - - bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xFF00) | 0x001C); - bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xC0FF) | 0x0200); - bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0xFF00) | 0x001C); - bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xFF00) | 0x0020); - bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xC0FF) | 0x0200); - bcm43xx_phy_write(bcm, 0x0482, (bcm43xx_phy_read(bcm, 0x0482) & 0xFF00) | 0x002E); - bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0x00FF) | 0x1A00); - bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0xFF00) | 0x0028); - bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0x00FF) | 0x2C00); - - if (phy->rev == 1) { - bcm43xx_phy_write(bcm, 0x0430, 0x092B); - bcm43xx_phy_write(bcm, 0x041B, (bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1) | 0x0002); - } else { - bcm43xx_phy_write(bcm, 0x041B, bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1); - bcm43xx_phy_write(bcm, 0x041F, 0x287A); - bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0xFFF0) | 0x0004); - } - - if (phy->rev > 2) { - bcm43xx_phy_write(bcm, 0x0422, 0x287A); - bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) - & 0x0FFF) | 0x3000); - } - - bcm43xx_phy_write(bcm, 0x04A8, (bcm43xx_phy_read(bcm, 0x04A8) & 0x8080) - | 0x7874); - bcm43xx_phy_write(bcm, 0x048E, 0x1C00); - - if (phy->rev == 1) { - bcm43xx_phy_write(bcm, 0x04AB, (bcm43xx_phy_read(bcm, 0x04AB) - & 0xF0FF) | 0x0600); - bcm43xx_phy_write(bcm, 0x048B, 0x005E); - bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) - & 0xFF00) | 0x001E); - bcm43xx_phy_write(bcm, 0x048D, 0x0002); - } - - bcm43xx_ilt_write(bcm, offset + 0x0800, 0); - bcm43xx_ilt_write(bcm, offset + 0x0801, 7); - bcm43xx_ilt_write(bcm, offset + 0x0802, 16); - bcm43xx_ilt_write(bcm, offset + 0x0803, 28); - - if (phy->rev >= 6) { - bcm43xx_phy_write(bcm, 0x0426, (bcm43xx_phy_read(bcm, 0x0426) - & 0xFFFC)); - bcm43xx_phy_write(bcm, 0x0426, (bcm43xx_phy_read(bcm, 0x0426) - & 0xEFFF)); - } -} - -static void bcm43xx_phy_setupg(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 i; - - assert(phy->type == BCM43xx_PHYTYPE_G); - if (phy->rev == 1) { - bcm43xx_phy_write(bcm, 0x0406, 0x4F19); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) - & 0xFC3F) | 0x0340); - bcm43xx_phy_write(bcm, 0x042C, 0x005A); - bcm43xx_phy_write(bcm, 0x0427, 0x001A); - - for (i = 0; i < BCM43xx_ILT_FINEFREQG_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqg[i]); - for (i = 0; i < BCM43xx_ILT_NOISEG1_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg1[i]); - for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++) - bcm43xx_ilt_write32(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]); - } else { - /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */ - bcm43xx_nrssi_hw_write(bcm, 0xBA98, (s16)0x7654); - - if (phy->rev == 2) { - bcm43xx_phy_write(bcm, 0x04C0, 0x1861); - bcm43xx_phy_write(bcm, 0x04C1, 0x0271); - } else if (phy->rev > 2) { - bcm43xx_phy_write(bcm, 0x04C0, 0x0098); - bcm43xx_phy_write(bcm, 0x04C1, 0x0070); - bcm43xx_phy_write(bcm, 0x04C9, 0x0080); - } - bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x800); - - for (i = 0; i < 64; i++) - bcm43xx_ilt_write(bcm, 0x4000 + i, i); - for (i = 0; i < BCM43xx_ILT_NOISEG2_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg2[i]); - } - - if (phy->rev <= 2) - for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg1[i]); - else if ((phy->rev >= 7) && (bcm43xx_phy_read(bcm, 0x0449) & 0x0200)) - for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg3[i]); - else - for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg2[i]); - - if (phy->rev == 2) - for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]); - else if ((phy->rev > 2) && (phy->rev <= 8)) - for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr2[i]); - - if (phy->rev == 1) { - for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++) - bcm43xx_ilt_write32(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]); - for (i = 0; i < 4; i++) { - bcm43xx_ilt_write(bcm, 0x5404 + i, 0x0020); - bcm43xx_ilt_write(bcm, 0x5408 + i, 0x0020); - bcm43xx_ilt_write(bcm, 0x540C + i, 0x0020); - bcm43xx_ilt_write(bcm, 0x5410 + i, 0x0020); - } - bcm43xx_phy_agcsetup(bcm); - - if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) && - (bcm->board_type == 0x0416) && - (bcm->board_revision == 0x0017)) - return; - - bcm43xx_ilt_write(bcm, 0x5001, 0x0002); - bcm43xx_ilt_write(bcm, 0x5002, 0x0001); - } else { - for (i = 0; i <= 0x2F; i++) - bcm43xx_ilt_write(bcm, 0x1000 + i, 0x0820); - bcm43xx_phy_agcsetup(bcm); - bcm43xx_phy_read(bcm, 0x0400); /* dummy read */ - bcm43xx_phy_write(bcm, 0x0403, 0x1000); - bcm43xx_ilt_write(bcm, 0x3C02, 0x000F); - bcm43xx_ilt_write(bcm, 0x3C03, 0x0014); - - if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) && - (bcm->board_type == 0x0416) && - (bcm->board_revision == 0x0017)) - return; - - bcm43xx_ilt_write(bcm, 0x0401, 0x0002); - bcm43xx_ilt_write(bcm, 0x0402, 0x0001); - } -} - -/* Initialize the noisescaletable for APHY */ -static void bcm43xx_phy_init_noisescaletbl(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - int i; - - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, 0x1400); - for (i = 0; i < 12; i++) { - if (phy->rev == 2) - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767); - else - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323); - } - if (phy->rev == 2) - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6700); - else - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2300); - for (i = 0; i < 11; i++) { - if (phy->rev == 2) - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767); - else - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323); - } - if (phy->rev == 2) - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0067); - else - bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0023); -} - -static void bcm43xx_phy_setupa(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 i; - - assert(phy->type == BCM43xx_PHYTYPE_A); - switch (phy->rev) { - case 2: - bcm43xx_phy_write(bcm, 0x008E, 0x3800); - bcm43xx_phy_write(bcm, 0x0035, 0x03FF); - bcm43xx_phy_write(bcm, 0x0036, 0x0400); - - bcm43xx_ilt_write(bcm, 0x3807, 0x0051); - - bcm43xx_phy_write(bcm, 0x001C, 0x0FF9); - bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F); - bcm43xx_ilt_write(bcm, 0x3C0C, 0x07BF); - bcm43xx_radio_write16(bcm, 0x0002, 0x07BF); - - bcm43xx_phy_write(bcm, 0x0024, 0x4680); - bcm43xx_phy_write(bcm, 0x0020, 0x0003); - bcm43xx_phy_write(bcm, 0x001D, 0x0F40); - bcm43xx_phy_write(bcm, 0x001F, 0x1C00); - - bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400); - bcm43xx_phy_write(bcm, 0x002B, bcm43xx_phy_read(bcm, 0x002B) & 0xFBFF); - bcm43xx_phy_write(bcm, 0x008E, 0x58C1); - - bcm43xx_ilt_write(bcm, 0x0803, 0x000F); - bcm43xx_ilt_write(bcm, 0x0804, 0x001F); - bcm43xx_ilt_write(bcm, 0x0805, 0x002A); - bcm43xx_ilt_write(bcm, 0x0805, 0x0030); - bcm43xx_ilt_write(bcm, 0x0807, 0x003A); - - bcm43xx_ilt_write(bcm, 0x0000, 0x0013); - bcm43xx_ilt_write(bcm, 0x0001, 0x0013); - bcm43xx_ilt_write(bcm, 0x0002, 0x0013); - bcm43xx_ilt_write(bcm, 0x0003, 0x0013); - bcm43xx_ilt_write(bcm, 0x0004, 0x0015); - bcm43xx_ilt_write(bcm, 0x0005, 0x0015); - bcm43xx_ilt_write(bcm, 0x0006, 0x0019); - - bcm43xx_ilt_write(bcm, 0x0404, 0x0003); - bcm43xx_ilt_write(bcm, 0x0405, 0x0003); - bcm43xx_ilt_write(bcm, 0x0406, 0x0007); - - for (i = 0; i < 16; i++) - bcm43xx_ilt_write(bcm, 0x4000 + i, (0x8 + i) & 0x000F); - - bcm43xx_ilt_write(bcm, 0x3003, 0x1044); - bcm43xx_ilt_write(bcm, 0x3004, 0x7201); - bcm43xx_ilt_write(bcm, 0x3006, 0x0040); - bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008); - - for (i = 0; i < BCM43xx_ILT_FINEFREQA_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqa[i]); - for (i = 0; i < BCM43xx_ILT_NOISEA2_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea2[i]); - for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++) - bcm43xx_ilt_write32(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]); - bcm43xx_phy_init_noisescaletbl(bcm); - for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++) - bcm43xx_ilt_write32(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]); - break; - case 3: - for (i = 0; i < 64; i++) - bcm43xx_ilt_write(bcm, 0x4000 + i, i); - - bcm43xx_ilt_write(bcm, 0x3807, 0x0051); - - bcm43xx_phy_write(bcm, 0x001C, 0x0FF9); - bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F); - bcm43xx_radio_write16(bcm, 0x0002, 0x07BF); - - bcm43xx_phy_write(bcm, 0x0024, 0x4680); - bcm43xx_phy_write(bcm, 0x0020, 0x0003); - bcm43xx_phy_write(bcm, 0x001D, 0x0F40); - bcm43xx_phy_write(bcm, 0x001F, 0x1C00); - bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400); - - bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008); - for (i = 0; i < BCM43xx_ILT_NOISEA3_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea3[i]); - bcm43xx_phy_init_noisescaletbl(bcm); - for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++) - bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]); - - bcm43xx_phy_write(bcm, 0x0003, 0x1808); - - bcm43xx_ilt_write(bcm, 0x0803, 0x000F); - bcm43xx_ilt_write(bcm, 0x0804, 0x001F); - bcm43xx_ilt_write(bcm, 0x0805, 0x002A); - bcm43xx_ilt_write(bcm, 0x0805, 0x0030); - bcm43xx_ilt_write(bcm, 0x0807, 0x003A); - - bcm43xx_ilt_write(bcm, 0x0000, 0x0013); - bcm43xx_ilt_write(bcm, 0x0001, 0x0013); - bcm43xx_ilt_write(bcm, 0x0002, 0x0013); - bcm43xx_ilt_write(bcm, 0x0003, 0x0013); - bcm43xx_ilt_write(bcm, 0x0004, 0x0015); - bcm43xx_ilt_write(bcm, 0x0005, 0x0015); - bcm43xx_ilt_write(bcm, 0x0006, 0x0019); - - bcm43xx_ilt_write(bcm, 0x0404, 0x0003); - bcm43xx_ilt_write(bcm, 0x0405, 0x0003); - bcm43xx_ilt_write(bcm, 0x0406, 0x0007); - - bcm43xx_ilt_write(bcm, 0x3C02, 0x000F); - bcm43xx_ilt_write(bcm, 0x3C03, 0x0014); - break; - default: - assert(0); - } -} - -/* Initialize APHY. This is also called for the GPHY in some cases. */ -static void bcm43xx_phy_inita(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 tval; - - if (phy->type == BCM43xx_PHYTYPE_A) { - bcm43xx_phy_setupa(bcm); - } else { - bcm43xx_phy_setupg(bcm); - if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) - bcm43xx_phy_write(bcm, 0x046E, 0x03CF); - return; - } - - bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS, - (bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) & 0xF83C) | 0x0340); - bcm43xx_phy_write(bcm, 0x0034, 0x0001); - - TODO();//TODO: RSSI AGC - bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) | (1 << 14)); - bcm43xx_radio_init2060(bcm); - - if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) - && ((bcm->board_type == 0x0416) || (bcm->board_type == 0x040A))) { - if (radio->lofcal == 0xFFFF) { - TODO();//TODO: LOF Cal - bcm43xx_radio_set_tx_iq(bcm); - } else - bcm43xx_radio_write16(bcm, 0x001E, radio->lofcal); - } - - bcm43xx_phy_write(bcm, 0x007A, 0xF111); - - if (phy->savedpctlreg == 0xFFFF) { - bcm43xx_radio_write16(bcm, 0x0019, 0x0000); - bcm43xx_radio_write16(bcm, 0x0017, 0x0020); - - tval = bcm43xx_ilt_read(bcm, 0x3001); - if (phy->rev == 1) { - bcm43xx_ilt_write(bcm, 0x3001, - (bcm43xx_ilt_read(bcm, 0x3001) & 0xFF87) - | 0x0058); - } else { - bcm43xx_ilt_write(bcm, 0x3001, - (bcm43xx_ilt_read(bcm, 0x3001) & 0xFFC3) - | 0x002C); - } - bcm43xx_dummy_transmission(bcm); - phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_A_PCTL); - bcm43xx_ilt_write(bcm, 0x3001, tval); - - bcm43xx_radio_set_txpower_a(bcm, 0x0018); - } - bcm43xx_radio_clear_tssi(bcm); -} - -static void bcm43xx_phy_initb2(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 offset, val; - - bcm43xx_write16(bcm, 0x03EC, 0x3F22); - bcm43xx_phy_write(bcm, 0x0020, 0x301C); - bcm43xx_phy_write(bcm, 0x0026, 0x0000); - bcm43xx_phy_write(bcm, 0x0030, 0x00C6); - bcm43xx_phy_write(bcm, 0x0088, 0x3E00); - val = 0x3C3D; - for (offset = 0x0089; offset < 0x00A7; offset++) { - bcm43xx_phy_write(bcm, offset, val); - val -= 0x0202; - } - bcm43xx_phy_write(bcm, 0x03E4, 0x3000); - if (radio->channel == 0xFF) - bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0); - else - bcm43xx_radio_selectchannel(bcm, radio->channel, 0); - if (radio->version != 0x2050) { - bcm43xx_radio_write16(bcm, 0x0075, 0x0080); - bcm43xx_radio_write16(bcm, 0x0079, 0x0081); - } - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x0050, 0x0023); - if (radio->version == 0x2050) { - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x005A, 0x0070); - bcm43xx_radio_write16(bcm, 0x005B, 0x007B); - bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); - bcm43xx_radio_write16(bcm, 0x007A, 0x000F); - bcm43xx_phy_write(bcm, 0x0038, 0x0677); - bcm43xx_radio_init2050(bcm); - } - bcm43xx_phy_write(bcm, 0x0014, 0x0080); - bcm43xx_phy_write(bcm, 0x0032, 0x00CA); - bcm43xx_phy_write(bcm, 0x0032, 0x00CC); - bcm43xx_phy_write(bcm, 0x0035, 0x07C2); - bcm43xx_phy_lo_b_measure(bcm); - bcm43xx_phy_write(bcm, 0x0026, 0xCC00); - if (radio->version != 0x2050) - bcm43xx_phy_write(bcm, 0x0026, 0xCE00); - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1000); - bcm43xx_phy_write(bcm, 0x002A, 0x88A3); - if (radio->version != 0x2050) - bcm43xx_phy_write(bcm, 0x002A, 0x88C2); - bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); - bcm43xx_phy_init_pctl(bcm); -} - -static void bcm43xx_phy_initb4(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 offset, val; - - bcm43xx_write16(bcm, 0x03EC, 0x3F22); - bcm43xx_phy_write(bcm, 0x0020, 0x301C); - bcm43xx_phy_write(bcm, 0x0026, 0x0000); - bcm43xx_phy_write(bcm, 0x0030, 0x00C6); - bcm43xx_phy_write(bcm, 0x0088, 0x3E00); - val = 0x3C3D; - for (offset = 0x0089; offset < 0x00A7; offset++) { - bcm43xx_phy_write(bcm, offset, val); - val -= 0x0202; - } - bcm43xx_phy_write(bcm, 0x03E4, 0x3000); - if (radio->channel == 0xFF) - bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0); - else - bcm43xx_radio_selectchannel(bcm, radio->channel, 0); - if (radio->version != 0x2050) { - bcm43xx_radio_write16(bcm, 0x0075, 0x0080); - bcm43xx_radio_write16(bcm, 0x0079, 0x0081); - } - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x0050, 0x0023); - if (radio->version == 0x2050) { - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x005A, 0x0070); - bcm43xx_radio_write16(bcm, 0x005B, 0x007B); - bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); - bcm43xx_radio_write16(bcm, 0x007A, 0x000F); - bcm43xx_phy_write(bcm, 0x0038, 0x0677); - bcm43xx_radio_init2050(bcm); - } - bcm43xx_phy_write(bcm, 0x0014, 0x0080); - bcm43xx_phy_write(bcm, 0x0032, 0x00CA); - if (radio->version == 0x2050) - bcm43xx_phy_write(bcm, 0x0032, 0x00E0); - bcm43xx_phy_write(bcm, 0x0035, 0x07C2); - - bcm43xx_phy_lo_b_measure(bcm); - - bcm43xx_phy_write(bcm, 0x0026, 0xCC00); - if (radio->version == 0x2050) - bcm43xx_phy_write(bcm, 0x0026, 0xCE00); - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1100); - bcm43xx_phy_write(bcm, 0x002A, 0x88A3); - if (radio->version == 0x2050) - bcm43xx_phy_write(bcm, 0x002A, 0x88C2); - bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); - if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { - bcm43xx_calc_nrssi_slope(bcm); - bcm43xx_calc_nrssi_threshold(bcm); - } - bcm43xx_phy_init_pctl(bcm); -} - -static void bcm43xx_phy_initb5(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 offset; - u16 value; - u8 old_channel; - - if (phy->analog == 1) - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) - | 0x0050); - if ((bcm->board_vendor != PCI_VENDOR_ID_BROADCOM) && - (bcm->board_type != 0x0416)) { - value = 0x2120; - for (offset = 0x00A8 ; offset < 0x00C7; offset++) { - bcm43xx_phy_write(bcm, offset, value); - value += 0x0202; - } - } - bcm43xx_phy_write(bcm, 0x0035, - (bcm43xx_phy_read(bcm, 0x0035) & 0xF0FF) - | 0x0700); - if (radio->version == 0x2050) - bcm43xx_phy_write(bcm, 0x0038, 0x0667); - - if (phy->connected) { - if (radio->version == 0x2050) { - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) - | 0x0020); - bcm43xx_radio_write16(bcm, 0x0051, - bcm43xx_radio_read16(bcm, 0x0051) - | 0x0004); - } - bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, 0x0000); - - bcm43xx_phy_write(bcm, 0x0802, bcm43xx_phy_read(bcm, 0x0802) | 0x0100); - bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x2000); - - bcm43xx_phy_write(bcm, 0x001C, 0x186A); - - bcm43xx_phy_write(bcm, 0x0013, (bcm43xx_phy_read(bcm, 0x0013) & 0x00FF) | 0x1900); - bcm43xx_phy_write(bcm, 0x0035, (bcm43xx_phy_read(bcm, 0x0035) & 0xFFC0) | 0x0064); - bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D) & 0xFF80) | 0x000A); - } - - if (bcm->bad_frames_preempt) { - bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, - bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | (1 << 11)); - } - - if (phy->analog == 1) { - bcm43xx_phy_write(bcm, 0x0026, 0xCE00); - bcm43xx_phy_write(bcm, 0x0021, 0x3763); - bcm43xx_phy_write(bcm, 0x0022, 0x1BC3); - bcm43xx_phy_write(bcm, 0x0023, 0x06F9); - bcm43xx_phy_write(bcm, 0x0024, 0x037E); - } else - bcm43xx_phy_write(bcm, 0x0026, 0xCC00); - bcm43xx_phy_write(bcm, 0x0030, 0x00C6); - bcm43xx_write16(bcm, 0x03EC, 0x3F22); - - if (phy->analog == 1) - bcm43xx_phy_write(bcm, 0x0020, 0x3E1C); - else - bcm43xx_phy_write(bcm, 0x0020, 0x301C); - - if (phy->analog == 0) - bcm43xx_write16(bcm, 0x03E4, 0x3000); - - old_channel = radio->channel; - /* Force to channel 7, even if not supported. */ - bcm43xx_radio_selectchannel(bcm, 7, 0); - - if (radio->version != 0x2050) { - bcm43xx_radio_write16(bcm, 0x0075, 0x0080); - bcm43xx_radio_write16(bcm, 0x0079, 0x0081); - } - - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x0050, 0x0023); - - if (radio->version == 0x2050) { - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x005A, 0x0070); - } - - bcm43xx_radio_write16(bcm, 0x005B, 0x007B); - bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); - - bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0007); - - bcm43xx_radio_selectchannel(bcm, old_channel, 0); - - bcm43xx_phy_write(bcm, 0x0014, 0x0080); - bcm43xx_phy_write(bcm, 0x0032, 0x00CA); - bcm43xx_phy_write(bcm, 0x002A, 0x88A3); - - bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); - - if (radio->version == 0x2050) - bcm43xx_radio_write16(bcm, 0x005D, 0x000D); - - bcm43xx_write16(bcm, 0x03E4, (bcm43xx_read16(bcm, 0x03E4) & 0xFFC0) | 0x0004); -} - -static void bcm43xx_phy_initb6(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 offset, val; - u8 old_channel; - - bcm43xx_phy_write(bcm, 0x003E, 0x817A); - bcm43xx_radio_write16(bcm, 0x007A, - (bcm43xx_radio_read16(bcm, 0x007A) | 0x0058)); - if (radio->revision == 4 || - radio->revision == 5) { - bcm43xx_radio_write16(bcm, 0x0051, 0x0037); - bcm43xx_radio_write16(bcm, 0x0052, 0x0070); - bcm43xx_radio_write16(bcm, 0x0053, 0x00B3); - bcm43xx_radio_write16(bcm, 0x0054, 0x009B); - bcm43xx_radio_write16(bcm, 0x005A, 0x0088); - bcm43xx_radio_write16(bcm, 0x005B, 0x0088); - bcm43xx_radio_write16(bcm, 0x005D, 0x0088); - bcm43xx_radio_write16(bcm, 0x005E, 0x0088); - bcm43xx_radio_write16(bcm, 0x007D, 0x0088); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET) - | 0x00000200)); - } - if (radio->revision == 8) { - bcm43xx_radio_write16(bcm, 0x0051, 0x0000); - bcm43xx_radio_write16(bcm, 0x0052, 0x0040); - bcm43xx_radio_write16(bcm, 0x0053, 0x00B7); - bcm43xx_radio_write16(bcm, 0x0054, 0x0098); - bcm43xx_radio_write16(bcm, 0x005A, 0x0088); - bcm43xx_radio_write16(bcm, 0x005B, 0x006B); - bcm43xx_radio_write16(bcm, 0x005C, 0x000F); - if (bcm->sprom.boardflags & 0x8000) { - bcm43xx_radio_write16(bcm, 0x005D, 0x00FA); - bcm43xx_radio_write16(bcm, 0x005E, 0x00D8); - } else { - bcm43xx_radio_write16(bcm, 0x005D, 0x00F5); - bcm43xx_radio_write16(bcm, 0x005E, 0x00B8); - } - bcm43xx_radio_write16(bcm, 0x0073, 0x0003); - bcm43xx_radio_write16(bcm, 0x007D, 0x00A8); - bcm43xx_radio_write16(bcm, 0x007C, 0x0001); - bcm43xx_radio_write16(bcm, 0x007E, 0x0008); - } - val = 0x1E1F; - for (offset = 0x0088; offset < 0x0098; offset++) { - bcm43xx_phy_write(bcm, offset, val); - val -= 0x0202; - } - val = 0x3E3F; - for (offset = 0x0098; offset < 0x00A8; offset++) { - bcm43xx_phy_write(bcm, offset, val); - val -= 0x0202; - } - val = 0x2120; - for (offset = 0x00A8; offset < 0x00C8; offset++) { - bcm43xx_phy_write(bcm, offset, (val & 0x3F3F)); - val += 0x0202; - } - if (phy->type == BCM43xx_PHYTYPE_G) { - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x0020); - bcm43xx_radio_write16(bcm, 0x0051, - bcm43xx_radio_read16(bcm, 0x0051) | 0x0004); - bcm43xx_phy_write(bcm, 0x0802, - bcm43xx_phy_read(bcm, 0x0802) | 0x0100); - bcm43xx_phy_write(bcm, 0x042B, - bcm43xx_phy_read(bcm, 0x042B) | 0x2000); - bcm43xx_phy_write(bcm, 0x5B, 0x0000); - bcm43xx_phy_write(bcm, 0x5C, 0x0000); - } - - old_channel = radio->channel; - if (old_channel >= 8) - bcm43xx_radio_selectchannel(bcm, 1, 0); - else - bcm43xx_radio_selectchannel(bcm, 13, 0); - - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - bcm43xx_radio_write16(bcm, 0x0050, 0x0023); - udelay(40); - if (radio->revision < 6 || radio-> revision == 8) { - bcm43xx_radio_write16(bcm, 0x007C, (bcm43xx_radio_read16(bcm, 0x007C) - | 0x0002)); - bcm43xx_radio_write16(bcm, 0x0050, 0x0020); - } - if (radio->revision <= 2) { - bcm43xx_radio_write16(bcm, 0x007C, 0x0020); - bcm43xx_radio_write16(bcm, 0x005A, 0x0070); - bcm43xx_radio_write16(bcm, 0x005B, 0x007B); - bcm43xx_radio_write16(bcm, 0x005C, 0x00B0); - } - bcm43xx_radio_write16(bcm, 0x007A, - (bcm43xx_radio_read16(bcm, 0x007A) & 0x00F8) | 0x0007); - - bcm43xx_radio_selectchannel(bcm, old_channel, 0); - - bcm43xx_phy_write(bcm, 0x0014, 0x0200); - if (radio->revision >= 6) - bcm43xx_phy_write(bcm, 0x002A, 0x88C2); - else - bcm43xx_phy_write(bcm, 0x002A, 0x8AC0); - bcm43xx_phy_write(bcm, 0x0038, 0x0668); - bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF); - if (radio->revision <= 5) - bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D) - & 0xFF80) | 0x0003); - if (radio->revision <= 2) - bcm43xx_radio_write16(bcm, 0x005D, 0x000D); - - if (phy->analog == 4){ - bcm43xx_write16(bcm, 0x03E4, 0x0009); - bcm43xx_phy_write(bcm, 0x61, bcm43xx_phy_read(bcm, 0x61) & 0xFFF); - } else { - bcm43xx_phy_write(bcm, 0x0002, (bcm43xx_phy_read(bcm, 0x0002) & 0xFFC0) | 0x0004); - } - if (phy->type == BCM43xx_PHYTYPE_G) - bcm43xx_write16(bcm, 0x03E6, 0x0); - if (phy->type == BCM43xx_PHYTYPE_B) { - bcm43xx_write16(bcm, 0x03E6, 0x8140); - bcm43xx_phy_write(bcm, 0x0016, 0x0410); - bcm43xx_phy_write(bcm, 0x0017, 0x0820); - bcm43xx_phy_write(bcm, 0x0062, 0x0007); - bcm43xx_radio_init2050(bcm); - bcm43xx_phy_lo_g_measure(bcm); - if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { - bcm43xx_calc_nrssi_slope(bcm); - bcm43xx_calc_nrssi_threshold(bcm); - } - bcm43xx_phy_init_pctl(bcm); - } -} - -static void bcm43xx_calc_loopback_gain(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 backup_phy[15] = {0}; - u16 backup_radio[3]; - u16 backup_bband; - u16 i; - u16 loop1_cnt, loop1_done, loop1_omitted; - u16 loop2_done; - - backup_phy[0] = bcm43xx_phy_read(bcm, 0x0429); - backup_phy[1] = bcm43xx_phy_read(bcm, 0x0001); - backup_phy[2] = bcm43xx_phy_read(bcm, 0x0811); - backup_phy[3] = bcm43xx_phy_read(bcm, 0x0812); - if (phy->rev != 1) { - backup_phy[4] = bcm43xx_phy_read(bcm, 0x0814); - backup_phy[5] = bcm43xx_phy_read(bcm, 0x0815); - } - backup_phy[6] = bcm43xx_phy_read(bcm, 0x005A); - backup_phy[7] = bcm43xx_phy_read(bcm, 0x0059); - backup_phy[8] = bcm43xx_phy_read(bcm, 0x0058); - backup_phy[9] = bcm43xx_phy_read(bcm, 0x000A); - backup_phy[10] = bcm43xx_phy_read(bcm, 0x0003); - backup_phy[11] = bcm43xx_phy_read(bcm, 0x080F); - backup_phy[12] = bcm43xx_phy_read(bcm, 0x0810); - backup_phy[13] = bcm43xx_phy_read(bcm, 0x002B); - backup_phy[14] = bcm43xx_phy_read(bcm, 0x0015); - bcm43xx_phy_read(bcm, 0x002D); /* dummy read */ - backup_bband = radio->baseband_atten; - backup_radio[0] = bcm43xx_radio_read16(bcm, 0x0052); - backup_radio[1] = bcm43xx_radio_read16(bcm, 0x0043); - backup_radio[2] = bcm43xx_radio_read16(bcm, 0x007A); - - bcm43xx_phy_write(bcm, 0x0429, - bcm43xx_phy_read(bcm, 0x0429) & 0x3FFF); - bcm43xx_phy_write(bcm, 0x0001, - bcm43xx_phy_read(bcm, 0x0001) & 0x8000); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x0002); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) & 0xFFFD); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x0001); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) & 0xFFFE); - if (phy->rev != 1) { - bcm43xx_phy_write(bcm, 0x0814, - bcm43xx_phy_read(bcm, 0x0814) | 0x0001); - bcm43xx_phy_write(bcm, 0x0815, - bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE); - bcm43xx_phy_write(bcm, 0x0814, - bcm43xx_phy_read(bcm, 0x0814) | 0x0002); - bcm43xx_phy_write(bcm, 0x0815, - bcm43xx_phy_read(bcm, 0x0815) & 0xFFFD); - } - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x000C); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) | 0x000C); - - bcm43xx_phy_write(bcm, 0x0811, - (bcm43xx_phy_read(bcm, 0x0811) - & 0xFFCF) | 0x0030); - bcm43xx_phy_write(bcm, 0x0812, - (bcm43xx_phy_read(bcm, 0x0812) - & 0xFFCF) | 0x0010); - - bcm43xx_phy_write(bcm, 0x005A, 0x0780); - bcm43xx_phy_write(bcm, 0x0059, 0xC810); - bcm43xx_phy_write(bcm, 0x0058, 0x000D); - if (phy->analog == 0) { - bcm43xx_phy_write(bcm, 0x0003, 0x0122); - } else { - bcm43xx_phy_write(bcm, 0x000A, - bcm43xx_phy_read(bcm, 0x000A) - | 0x2000); - } - if (phy->rev != 1) { - bcm43xx_phy_write(bcm, 0x0814, - bcm43xx_phy_read(bcm, 0x0814) | 0x0004); - bcm43xx_phy_write(bcm, 0x0815, - bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB); - } - bcm43xx_phy_write(bcm, 0x0003, - (bcm43xx_phy_read(bcm, 0x0003) - & 0xFF9F) | 0x0040); - if (radio->version == 0x2050 && radio->revision == 2) { - bcm43xx_radio_write16(bcm, 0x0052, 0x0000); - bcm43xx_radio_write16(bcm, 0x0043, - (bcm43xx_radio_read16(bcm, 0x0043) - & 0xFFF0) | 0x0009); - loop1_cnt = 9; - } else if (radio->revision == 8) { - bcm43xx_radio_write16(bcm, 0x0043, 0x000F); - loop1_cnt = 15; - } else - loop1_cnt = 0; - - bcm43xx_phy_set_baseband_attenuation(bcm, 11); - - if (phy->rev >= 3) - bcm43xx_phy_write(bcm, 0x080F, 0xC020); - else - bcm43xx_phy_write(bcm, 0x080F, 0x8020); - bcm43xx_phy_write(bcm, 0x0810, 0x0000); - - bcm43xx_phy_write(bcm, 0x002B, - (bcm43xx_phy_read(bcm, 0x002B) - & 0xFFC0) | 0x0001); - bcm43xx_phy_write(bcm, 0x002B, - (bcm43xx_phy_read(bcm, 0x002B) - & 0xC0FF) | 0x0800); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x0100); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) & 0xCFFF); - if (bcm->sprom.boardflags & BCM43xx_BFL_EXTLNA) { - if (phy->rev >= 7) { - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) - | 0x0800); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) - | 0x8000); - } - } - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) - & 0x00F7); - - for (i = 0; i < loop1_cnt; i++) { - bcm43xx_radio_write16(bcm, 0x0043, loop1_cnt); - bcm43xx_phy_write(bcm, 0x0812, - (bcm43xx_phy_read(bcm, 0x0812) - & 0xF0FF) | (i << 8)); - bcm43xx_phy_write(bcm, 0x0015, - (bcm43xx_phy_read(bcm, 0x0015) - & 0x0FFF) | 0xA000); - bcm43xx_phy_write(bcm, 0x0015, - (bcm43xx_phy_read(bcm, 0x0015) - & 0x0FFF) | 0xF000); - udelay(20); - if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC) - break; - } - loop1_done = i; - loop1_omitted = loop1_cnt - loop1_done; - - loop2_done = 0; - if (loop1_done >= 8) { - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) - | 0x0030); - for (i = loop1_done - 8; i < 16; i++) { - bcm43xx_phy_write(bcm, 0x0812, - (bcm43xx_phy_read(bcm, 0x0812) - & 0xF0FF) | (i << 8)); - bcm43xx_phy_write(bcm, 0x0015, - (bcm43xx_phy_read(bcm, 0x0015) - & 0x0FFF) | 0xA000); - bcm43xx_phy_write(bcm, 0x0015, - (bcm43xx_phy_read(bcm, 0x0015) - & 0x0FFF) | 0xF000); - udelay(20); - if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC) - break; - } - } - - if (phy->rev != 1) { - bcm43xx_phy_write(bcm, 0x0814, backup_phy[4]); - bcm43xx_phy_write(bcm, 0x0815, backup_phy[5]); - } - bcm43xx_phy_write(bcm, 0x005A, backup_phy[6]); - bcm43xx_phy_write(bcm, 0x0059, backup_phy[7]); - bcm43xx_phy_write(bcm, 0x0058, backup_phy[8]); - bcm43xx_phy_write(bcm, 0x000A, backup_phy[9]); - bcm43xx_phy_write(bcm, 0x0003, backup_phy[10]); - bcm43xx_phy_write(bcm, 0x080F, backup_phy[11]); - bcm43xx_phy_write(bcm, 0x0810, backup_phy[12]); - bcm43xx_phy_write(bcm, 0x002B, backup_phy[13]); - bcm43xx_phy_write(bcm, 0x0015, backup_phy[14]); - - bcm43xx_phy_set_baseband_attenuation(bcm, backup_bband); - - bcm43xx_radio_write16(bcm, 0x0052, backup_radio[0]); - bcm43xx_radio_write16(bcm, 0x0043, backup_radio[1]); - bcm43xx_radio_write16(bcm, 0x007A, backup_radio[2]); - - bcm43xx_phy_write(bcm, 0x0811, backup_phy[2] | 0x0003); - udelay(10); - bcm43xx_phy_write(bcm, 0x0811, backup_phy[2]); - bcm43xx_phy_write(bcm, 0x0812, backup_phy[3]); - bcm43xx_phy_write(bcm, 0x0429, backup_phy[0]); - bcm43xx_phy_write(bcm, 0x0001, backup_phy[1]); - - phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11; - phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2; -} - -static void bcm43xx_phy_initg(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 tmp; - - if (phy->rev == 1) - bcm43xx_phy_initb5(bcm); - else - bcm43xx_phy_initb6(bcm); - if (phy->rev >= 2 || phy->connected) - bcm43xx_phy_inita(bcm); - - if (phy->rev >= 2) { - bcm43xx_phy_write(bcm, 0x0814, 0x0000); - bcm43xx_phy_write(bcm, 0x0815, 0x0000); - } - if (phy->rev == 2) { - bcm43xx_phy_write(bcm, 0x0811, 0x0000); - bcm43xx_phy_write(bcm, 0x0015, 0x00C0); - } - if (phy->rev > 5) { - bcm43xx_phy_write(bcm, 0x0811, 0x0400); - bcm43xx_phy_write(bcm, 0x0015, 0x00C0); - } - if (phy->rev >= 2 && phy->connected) { - tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF; - if (tmp ==3 || tmp == 5) { - bcm43xx_phy_write(bcm, 0x04C2, 0x1816); - bcm43xx_phy_write(bcm, 0x04C3, 0x8006); - if (tmp == 5) { - bcm43xx_phy_write(bcm, 0x04CC, - (bcm43xx_phy_read(bcm, 0x04CC) - & 0x00FF) | 0x1F00); - } - } - bcm43xx_phy_write(bcm, 0x047E, 0x0078); - } - if (radio->revision == 8) { - bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080); - bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004); - } - if (phy->rev >= 2 && phy->connected) - bcm43xx_calc_loopback_gain(bcm); - if (radio->revision != 8) { - if (radio->initval == 0xFFFF) - radio->initval = bcm43xx_radio_init2050(bcm); - else - bcm43xx_radio_write16(bcm, 0x0078, radio->initval); - } - if (radio->txctl2 == 0xFFFF) { - bcm43xx_phy_lo_g_measure(bcm); - } else { - if (radio->version == 0x2050 && radio->revision == 8) { - bcm43xx_radio_write16(bcm, 0x0052, - (radio->txctl1 << 4) | radio->txctl2); - } else { - bcm43xx_radio_write16(bcm, 0x0052, - (bcm43xx_radio_read16(bcm, 0x0052) - & 0xFFF0) | radio->txctl1); - } - if (phy->rev >= 6) { - bcm43xx_phy_write(bcm, 0x0036, - (bcm43xx_phy_read(bcm, 0x0036) - & 0x0FFF) | (radio->txctl2 << 12)); - } - if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) - bcm43xx_phy_write(bcm, 0x002E, 0x8075); - else - bcm43xx_phy_write(bcm, 0x002E, 0x807F); - if (phy->rev < 2) - bcm43xx_phy_write(bcm, 0x002F, 0x0101); - else - bcm43xx_phy_write(bcm, 0x002F, 0x0202); - } - if (phy->connected || phy->rev >= 2) { - bcm43xx_phy_lo_adjust(bcm, 0); - bcm43xx_phy_write(bcm, 0x080F, 0x8078); - } - - if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) { - /* The specs state to update the NRSSI LT with - * the value 0x7FFFFFFF here. I think that is some weird - * compiler optimization in the original driver. - * Essentially, what we do here is resetting all NRSSI LT - * entries to -32 (see the limit_value() in nrssi_hw_update()) - */ - bcm43xx_nrssi_hw_update(bcm, 0xFFFF); - bcm43xx_calc_nrssi_threshold(bcm); - } else if (phy->connected || phy->rev >= 2) { - if (radio->nrssi[0] == -1000) { - assert(radio->nrssi[1] == -1000); - bcm43xx_calc_nrssi_slope(bcm); - } else { - assert(radio->nrssi[1] != -1000); - bcm43xx_calc_nrssi_threshold(bcm); - } - } - if (radio->revision == 8) - bcm43xx_phy_write(bcm, 0x0805, 0x3230); - bcm43xx_phy_init_pctl(bcm); - if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) { - bcm43xx_phy_write(bcm, 0x0429, - bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF); - bcm43xx_phy_write(bcm, 0x04C3, - bcm43xx_phy_read(bcm, 0x04C3) & 0x7FFF); - } -} - -static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm) -{ - int i; - u16 ret = 0; - unsigned long flags; - - local_irq_save(flags); - for (i = 0; i < 10; i++){ - bcm43xx_phy_write(bcm, 0x0015, 0xAFA0); - udelay(1); - bcm43xx_phy_write(bcm, 0x0015, 0xEFA0); - udelay(10); - bcm43xx_phy_write(bcm, 0x0015, 0xFFA0); - udelay(40); - ret += bcm43xx_phy_read(bcm, 0x002C); - } - local_irq_restore(flags); - bcm43xx_voluntary_preempt(); - - return ret; -} - -void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 regstack[12] = { 0 }; - u16 mls; - u16 fval; - int i, j; - - regstack[0] = bcm43xx_phy_read(bcm, 0x0015); - regstack[1] = bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0; - - if (radio->version == 0x2053) { - regstack[2] = bcm43xx_phy_read(bcm, 0x000A); - regstack[3] = bcm43xx_phy_read(bcm, 0x002A); - regstack[4] = bcm43xx_phy_read(bcm, 0x0035); - regstack[5] = bcm43xx_phy_read(bcm, 0x0003); - regstack[6] = bcm43xx_phy_read(bcm, 0x0001); - regstack[7] = bcm43xx_phy_read(bcm, 0x0030); - - regstack[8] = bcm43xx_radio_read16(bcm, 0x0043); - regstack[9] = bcm43xx_radio_read16(bcm, 0x007A); - regstack[10] = bcm43xx_read16(bcm, 0x03EC); - regstack[11] = bcm43xx_radio_read16(bcm, 0x0052) & 0x00F0; - - bcm43xx_phy_write(bcm, 0x0030, 0x00FF); - bcm43xx_write16(bcm, 0x03EC, 0x3F3F); - bcm43xx_phy_write(bcm, 0x0035, regstack[4] & 0xFF7F); - bcm43xx_radio_write16(bcm, 0x007A, regstack[9] & 0xFFF0); - } - bcm43xx_phy_write(bcm, 0x0015, 0xB000); - bcm43xx_phy_write(bcm, 0x002B, 0x0004); - - if (radio->version == 0x2053) { - bcm43xx_phy_write(bcm, 0x002B, 0x0203); - bcm43xx_phy_write(bcm, 0x002A, 0x08A3); - } - - phy->minlowsig[0] = 0xFFFF; - - for (i = 0; i < 4; i++) { - bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i); - bcm43xx_phy_lo_b_r15_loop(bcm); - } - for (i = 0; i < 10; i++) { - bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i); - mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10; - if (mls < phy->minlowsig[0]) { - phy->minlowsig[0] = mls; - phy->minlowsigpos[0] = i; - } - } - bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | phy->minlowsigpos[0]); - - phy->minlowsig[1] = 0xFFFF; - - for (i = -4; i < 5; i += 2) { - for (j = -4; j < 5; j += 2) { - if (j < 0) - fval = (0x0100 * i) + j + 0x0100; - else - fval = (0x0100 * i) + j; - bcm43xx_phy_write(bcm, 0x002F, fval); - mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10; - if (mls < phy->minlowsig[1]) { - phy->minlowsig[1] = mls; - phy->minlowsigpos[1] = fval; - } - } - } - phy->minlowsigpos[1] += 0x0101; - - bcm43xx_phy_write(bcm, 0x002F, phy->minlowsigpos[1]); - if (radio->version == 0x2053) { - bcm43xx_phy_write(bcm, 0x000A, regstack[2]); - bcm43xx_phy_write(bcm, 0x002A, regstack[3]); - bcm43xx_phy_write(bcm, 0x0035, regstack[4]); - bcm43xx_phy_write(bcm, 0x0003, regstack[5]); - bcm43xx_phy_write(bcm, 0x0001, regstack[6]); - bcm43xx_phy_write(bcm, 0x0030, regstack[7]); - - bcm43xx_radio_write16(bcm, 0x0043, regstack[8]); - bcm43xx_radio_write16(bcm, 0x007A, regstack[9]); - - bcm43xx_radio_write16(bcm, 0x0052, - (bcm43xx_radio_read16(bcm, 0x0052) & 0x000F) - | regstack[11]); - - bcm43xx_write16(bcm, 0x03EC, regstack[10]); - } - bcm43xx_phy_write(bcm, 0x0015, regstack[0]); -} - -static inline -u16 bcm43xx_phy_lo_g_deviation_subval(struct bcm43xx_private *bcm, u16 control) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 ret; - unsigned long flags; - - local_irq_save(flags); - if (phy->connected) { - bcm43xx_phy_write(bcm, 0x15, 0xE300); - control <<= 8; - bcm43xx_phy_write(bcm, 0x0812, control | 0x00B0); - udelay(5); - bcm43xx_phy_write(bcm, 0x0812, control | 0x00B2); - udelay(2); - bcm43xx_phy_write(bcm, 0x0812, control | 0x00B3); - udelay(4); - bcm43xx_phy_write(bcm, 0x0015, 0xF300); - udelay(8); - } else { - bcm43xx_phy_write(bcm, 0x0015, control | 0xEFA0); - udelay(2); - bcm43xx_phy_write(bcm, 0x0015, control | 0xEFE0); - udelay(4); - bcm43xx_phy_write(bcm, 0x0015, control | 0xFFE0); - udelay(8); - } - ret = bcm43xx_phy_read(bcm, 0x002D); - local_irq_restore(flags); - bcm43xx_voluntary_preempt(); - - return ret; -} - -static u32 bcm43xx_phy_lo_g_singledeviation(struct bcm43xx_private *bcm, u16 control) -{ - int i; - u32 ret = 0; - - for (i = 0; i < 8; i++) - ret += bcm43xx_phy_lo_g_deviation_subval(bcm, control); - - return ret; -} - -/* Write the LocalOscillator CONTROL */ -static inline -void bcm43xx_lo_write(struct bcm43xx_private *bcm, - struct bcm43xx_lopair *pair) -{ - u16 value; - - value = (u8)(pair->low); - value |= ((u8)(pair->high)) << 8; - -#ifdef CONFIG_BCM43XX_DEBUG - /* Sanity check. */ - if (pair->low < -8 || pair->low > 8 || - pair->high < -8 || pair->high > 8) { - printk(KERN_WARNING PFX - "WARNING: Writing invalid LOpair " - "(low: %d, high: %d, index: %lu)\n", - pair->low, pair->high, - (unsigned long)(pair - bcm43xx_current_phy(bcm)->_lo_pairs)); - dump_stack(); - } -#endif - - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, value); -} - -static inline -struct bcm43xx_lopair * bcm43xx_find_lopair(struct bcm43xx_private *bcm, - u16 baseband_attenuation, - u16 radio_attenuation, - u16 tx) -{ - static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 }; - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - if (baseband_attenuation > 6) - baseband_attenuation = 6; - assert(radio_attenuation < 10); - - if (tx == 3) { - return bcm43xx_get_lopair(phy, - radio_attenuation, - baseband_attenuation); - } - return bcm43xx_get_lopair(phy, dict[radio_attenuation], baseband_attenuation); -} - -static inline -struct bcm43xx_lopair * bcm43xx_current_lopair(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - - return bcm43xx_find_lopair(bcm, - radio->baseband_atten, - radio->radio_atten, - radio->txctl1); -} - -/* Adjust B/G LO */ -void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed) -{ - struct bcm43xx_lopair *pair; - - if (fixed) { - /* Use fixed values. Only for initialization. */ - pair = bcm43xx_find_lopair(bcm, 2, 3, 0); - } else - pair = bcm43xx_current_lopair(bcm); - bcm43xx_lo_write(bcm, pair); -} - -static void bcm43xx_phy_lo_g_measure_txctl2(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 txctl2 = 0, i; - u32 smallest, tmp; - - bcm43xx_radio_write16(bcm, 0x0052, 0x0000); - udelay(10); - smallest = bcm43xx_phy_lo_g_singledeviation(bcm, 0); - for (i = 0; i < 16; i++) { - bcm43xx_radio_write16(bcm, 0x0052, i); - udelay(10); - tmp = bcm43xx_phy_lo_g_singledeviation(bcm, 0); - if (tmp < smallest) { - smallest = tmp; - txctl2 = i; - } - } - radio->txctl2 = txctl2; -} - -static -void bcm43xx_phy_lo_g_state(struct bcm43xx_private *bcm, - const struct bcm43xx_lopair *in_pair, - struct bcm43xx_lopair *out_pair, - u16 r27) -{ - static const struct bcm43xx_lopair transitions[8] = { - { .high = 1, .low = 1, }, - { .high = 1, .low = 0, }, - { .high = 1, .low = -1, }, - { .high = 0, .low = -1, }, - { .high = -1, .low = -1, }, - { .high = -1, .low = 0, }, - { .high = -1, .low = 1, }, - { .high = 0, .low = 1, }, - }; - struct bcm43xx_lopair lowest_transition = { - .high = in_pair->high, - .low = in_pair->low, - }; - struct bcm43xx_lopair tmp_pair; - struct bcm43xx_lopair transition; - int i = 12; - int state = 0; - int found_lower; - int j, begin, end; - u32 lowest_deviation; - u32 tmp; - - /* Note that in_pair and out_pair can point to the same pair. Be careful. */ - - bcm43xx_lo_write(bcm, &lowest_transition); - lowest_deviation = bcm43xx_phy_lo_g_singledeviation(bcm, r27); - do { - found_lower = 0; - assert(state >= 0 && state <= 8); - if (state == 0) { - begin = 1; - end = 8; - } else if (state % 2 == 0) { - begin = state - 1; - end = state + 1; - } else { - begin = state - 2; - end = state + 2; - } - if (begin < 1) - begin += 8; - if (end > 8) - end -= 8; - - j = begin; - tmp_pair.high = lowest_transition.high; - tmp_pair.low = lowest_transition.low; - while (1) { - assert(j >= 1 && j <= 8); - transition.high = tmp_pair.high + transitions[j - 1].high; - transition.low = tmp_pair.low + transitions[j - 1].low; - if ((abs(transition.low) < 9) && (abs(transition.high) < 9)) { - bcm43xx_lo_write(bcm, &transition); - tmp = bcm43xx_phy_lo_g_singledeviation(bcm, r27); - if (tmp < lowest_deviation) { - lowest_deviation = tmp; - state = j; - found_lower = 1; - - lowest_transition.high = transition.high; - lowest_transition.low = transition.low; - } - } - if (j == end) - break; - if (j == 8) - j = 1; - else - j++; - } - } while (i-- && found_lower); - - out_pair->high = lowest_transition.high; - out_pair->low = lowest_transition.low; -} - -/* Set the baseband attenuation value on chip. */ -void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm, - u16 baseband_attenuation) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 value; - - if (phy->analog == 0) { - value = (bcm43xx_read16(bcm, 0x03E6) & 0xFFF0); - value |= (baseband_attenuation & 0x000F); - bcm43xx_write16(bcm, 0x03E6, value); - return; - } - - if (phy->analog > 1) { - value = bcm43xx_phy_read(bcm, 0x0060) & ~0x003C; - value |= (baseband_attenuation << 2) & 0x003C; - } else { - value = bcm43xx_phy_read(bcm, 0x0060) & ~0x0078; - value |= (baseband_attenuation << 3) & 0x0078; - } - bcm43xx_phy_write(bcm, 0x0060, value); -} - -/* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */ -void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm) -{ - static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 }; - const int is_initializing = (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZING); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 h, i, oldi = 0, j; - struct bcm43xx_lopair control; - struct bcm43xx_lopair *tmp_control; - u16 tmp; - u16 regstack[16] = { 0 }; - u8 oldchannel; - - //XXX: What are these? - u8 r27 = 0, r31; - - oldchannel = radio->channel; - /* Setup */ - if (phy->connected) { - regstack[0] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS); - regstack[1] = bcm43xx_phy_read(bcm, 0x0802); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF); - bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC); - } - regstack[3] = bcm43xx_read16(bcm, 0x03E2); - bcm43xx_write16(bcm, 0x03E2, regstack[3] | 0x8000); - regstack[4] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); - regstack[5] = bcm43xx_phy_read(bcm, 0x15); - regstack[6] = bcm43xx_phy_read(bcm, 0x2A); - regstack[7] = bcm43xx_phy_read(bcm, 0x35); - regstack[8] = bcm43xx_phy_read(bcm, 0x60); - regstack[9] = bcm43xx_radio_read16(bcm, 0x43); - regstack[10] = bcm43xx_radio_read16(bcm, 0x7A); - regstack[11] = bcm43xx_radio_read16(bcm, 0x52); - if (phy->connected) { - regstack[12] = bcm43xx_phy_read(bcm, 0x0811); - regstack[13] = bcm43xx_phy_read(bcm, 0x0812); - regstack[14] = bcm43xx_phy_read(bcm, 0x0814); - regstack[15] = bcm43xx_phy_read(bcm, 0x0815); - } - bcm43xx_radio_selectchannel(bcm, 6, 0); - if (phy->connected) { - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF); - bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC); - bcm43xx_dummy_transmission(bcm); - } - bcm43xx_radio_write16(bcm, 0x0043, 0x0006); - - bcm43xx_phy_set_baseband_attenuation(bcm, 2); - - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x0000); - bcm43xx_phy_write(bcm, 0x002E, 0x007F); - bcm43xx_phy_write(bcm, 0x080F, 0x0078); - bcm43xx_phy_write(bcm, 0x0035, regstack[7] & ~(1 << 7)); - bcm43xx_radio_write16(bcm, 0x007A, regstack[10] & 0xFFF0); - bcm43xx_phy_write(bcm, 0x002B, 0x0203); - bcm43xx_phy_write(bcm, 0x002A, 0x08A3); - if (phy->connected) { - bcm43xx_phy_write(bcm, 0x0814, regstack[14] | 0x0003); - bcm43xx_phy_write(bcm, 0x0815, regstack[15] & 0xFFFC); - bcm43xx_phy_write(bcm, 0x0811, 0x01B3); - bcm43xx_phy_write(bcm, 0x0812, 0x00B2); - } - if (is_initializing) - bcm43xx_phy_lo_g_measure_txctl2(bcm); - bcm43xx_phy_write(bcm, 0x080F, 0x8078); - - /* Measure */ - control.low = 0; - control.high = 0; - for (h = 0; h < 10; h++) { - /* Loop over each possible RadioAttenuation (0-9) */ - i = pairorder[h]; - if (is_initializing) { - if (i == 3) { - control.low = 0; - control.high = 0; - } else if (((i % 2 == 1) && (oldi % 2 == 1)) || - ((i % 2 == 0) && (oldi % 2 == 0))) { - tmp_control = bcm43xx_get_lopair(phy, oldi, 0); - memcpy(&control, tmp_control, sizeof(control)); - } else { - tmp_control = bcm43xx_get_lopair(phy, 3, 0); - memcpy(&control, tmp_control, sizeof(control)); - } - } - /* Loop over each possible BasebandAttenuation/2 */ - for (j = 0; j < 4; j++) { - if (is_initializing) { - tmp = i * 2 + j; - r27 = 0; - r31 = 0; - if (tmp > 14) { - r31 = 1; - if (tmp > 17) - r27 = 1; - if (tmp > 19) - r27 = 2; - } - } else { - tmp_control = bcm43xx_get_lopair(phy, i, j * 2); - if (!tmp_control->used) - continue; - memcpy(&control, tmp_control, sizeof(control)); - r27 = 3; - r31 = 0; - } - bcm43xx_radio_write16(bcm, 0x43, i); - bcm43xx_radio_write16(bcm, 0x52, radio->txctl2); - udelay(10); - bcm43xx_voluntary_preempt(); - - bcm43xx_phy_set_baseband_attenuation(bcm, j * 2); - - tmp = (regstack[10] & 0xFFF0); - if (r31) - tmp |= 0x0008; - bcm43xx_radio_write16(bcm, 0x007A, tmp); - - tmp_control = bcm43xx_get_lopair(phy, i, j * 2); - bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27); - } - oldi = i; - } - /* Loop over each possible RadioAttenuation (10-13) */ - for (i = 10; i < 14; i++) { - /* Loop over each possible BasebandAttenuation/2 */ - for (j = 0; j < 4; j++) { - if (is_initializing) { - tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2); - memcpy(&control, tmp_control, sizeof(control)); - tmp = (i - 9) * 2 + j - 5;//FIXME: This is wrong, as the following if statement can never trigger. - r27 = 0; - r31 = 0; - if (tmp > 14) { - r31 = 1; - if (tmp > 17) - r27 = 1; - if (tmp > 19) - r27 = 2; - } - } else { - tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2); - if (!tmp_control->used) - continue; - memcpy(&control, tmp_control, sizeof(control)); - r27 = 3; - r31 = 0; - } - bcm43xx_radio_write16(bcm, 0x43, i - 9); - bcm43xx_radio_write16(bcm, 0x52, - radio->txctl2 - | (3/*txctl1*/ << 4));//FIXME: shouldn't txctl1 be zero here and 3 in the loop above? - udelay(10); - bcm43xx_voluntary_preempt(); - - bcm43xx_phy_set_baseband_attenuation(bcm, j * 2); - - tmp = (regstack[10] & 0xFFF0); - if (r31) - tmp |= 0x0008; - bcm43xx_radio_write16(bcm, 0x7A, tmp); - - tmp_control = bcm43xx_get_lopair(phy, i, j * 2); - bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27); - } - } - - /* Restoration */ - if (phy->connected) { - bcm43xx_phy_write(bcm, 0x0015, 0xE300); - bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA0); - udelay(5); - bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA2); - udelay(2); - bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA3); - bcm43xx_voluntary_preempt(); - } else - bcm43xx_phy_write(bcm, 0x0015, r27 | 0xEFA0); - bcm43xx_phy_lo_adjust(bcm, is_initializing); - bcm43xx_phy_write(bcm, 0x002E, 0x807F); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x002F, 0x0202); - else - bcm43xx_phy_write(bcm, 0x002F, 0x0101); - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, regstack[4]); - bcm43xx_phy_write(bcm, 0x0015, regstack[5]); - bcm43xx_phy_write(bcm, 0x002A, regstack[6]); - bcm43xx_phy_write(bcm, 0x0035, regstack[7]); - bcm43xx_phy_write(bcm, 0x0060, regstack[8]); - bcm43xx_radio_write16(bcm, 0x0043, regstack[9]); - bcm43xx_radio_write16(bcm, 0x007A, regstack[10]); - regstack[11] &= 0x00F0; - regstack[11] |= (bcm43xx_radio_read16(bcm, 0x52) & 0x000F); - bcm43xx_radio_write16(bcm, 0x52, regstack[11]); - bcm43xx_write16(bcm, 0x03E2, regstack[3]); - if (phy->connected) { - bcm43xx_phy_write(bcm, 0x0811, regstack[12]); - bcm43xx_phy_write(bcm, 0x0812, regstack[13]); - bcm43xx_phy_write(bcm, 0x0814, regstack[14]); - bcm43xx_phy_write(bcm, 0x0815, regstack[15]); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0]); - bcm43xx_phy_write(bcm, 0x0802, regstack[1]); - } - bcm43xx_radio_selectchannel(bcm, oldchannel, 1); - -#ifdef CONFIG_BCM43XX_DEBUG - { - /* Sanity check for all lopairs. */ - for (i = 0; i < BCM43xx_LO_COUNT; i++) { - tmp_control = phy->_lo_pairs + i; - if (tmp_control->low < -8 || tmp_control->low > 8 || - tmp_control->high < -8 || tmp_control->high > 8) { - printk(KERN_WARNING PFX - "WARNING: Invalid LOpair (low: %d, high: %d, index: %d)\n", - tmp_control->low, tmp_control->high, i); - } - } - } -#endif /* CONFIG_BCM43XX_DEBUG */ -} - -static -void bcm43xx_phy_lo_mark_current_used(struct bcm43xx_private *bcm) -{ - struct bcm43xx_lopair *pair; - - pair = bcm43xx_current_lopair(bcm); - pair->used = 1; -} - -void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_lopair *pair; - int i; - - for (i = 0; i < BCM43xx_LO_COUNT; i++) { - pair = phy->_lo_pairs + i; - pair->used = 0; - } -} - -/* http://bcm-specs.sipsolutions.net/EstimatePowerOut - * This function converts a TSSI value to dBm in Q5.2 - */ -static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_private *bcm, s8 tssi) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - s8 dbm = 0; - s32 tmp; - - tmp = phy->idle_tssi; - tmp += tssi; - tmp -= phy->savedpctlreg; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - tmp += 0x80; - tmp = limit_value(tmp, 0x00, 0xFF); - dbm = phy->tssi2dbm[tmp]; - TODO(); //TODO: There's a FIXME on the specs - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - tmp = limit_value(tmp, 0x00, 0x3F); - dbm = phy->tssi2dbm[tmp]; - break; - default: - assert(0); - } - - return dbm; -} - -/* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */ -void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - if (phy->savedpctlreg == 0xFFFF) - return; - if ((bcm->board_type == 0x0416) && - (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM)) - return; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: { - - TODO(); //TODO: Nothing for A PHYs yet :-/ - - break; - } - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: { - u16 tmp; - u16 txpower; - s8 v0, v1, v2, v3; - s8 average; - u8 max_pwr; - s16 desired_pwr, estimated_pwr, pwr_adjust; - s16 radio_att_delta, baseband_att_delta; - s16 radio_attenuation, baseband_attenuation; - unsigned long phylock_flags; - - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0058); - v0 = (s8)(tmp & 0x00FF); - v1 = (s8)((tmp & 0xFF00) >> 8); - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005A); - v2 = (s8)(tmp & 0x00FF); - v3 = (s8)((tmp & 0xFF00) >> 8); - tmp = 0; - - if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) { - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0070); - v0 = (s8)(tmp & 0x00FF); - v1 = (s8)((tmp & 0xFF00) >> 8); - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0072); - v2 = (s8)(tmp & 0x00FF); - v3 = (s8)((tmp & 0xFF00) >> 8); - if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) - return; - v0 = (v0 + 0x20) & 0x3F; - v1 = (v1 + 0x20) & 0x3F; - v2 = (v2 + 0x20) & 0x3F; - v3 = (v3 + 0x20) & 0x3F; - tmp = 1; - } - bcm43xx_radio_clear_tssi(bcm); - - average = (v0 + v1 + v2 + v3 + 2) / 4; - - if (tmp && (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005E) & 0x8)) - average -= 13; - - estimated_pwr = bcm43xx_phy_estimate_power_out(bcm, average); - - max_pwr = bcm->sprom.maxpower_bgphy; - - if ((bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) && - (phy->type == BCM43xx_PHYTYPE_G)) - max_pwr -= 0x3; - - /*TODO: - max_pwr = min(REG - bcm->sprom.antennagain_bgphy - 0x6, max_pwr) - where REG is the max power as per the regulatory domain - */ - - desired_pwr = limit_value(radio->txpower_desired, 0, max_pwr); - /* Check if we need to adjust the current power. */ - pwr_adjust = desired_pwr - estimated_pwr; - radio_att_delta = -(pwr_adjust + 7) >> 3; - baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta); - if ((radio_att_delta == 0) && (baseband_att_delta == 0)) { - bcm43xx_phy_lo_mark_current_used(bcm); - return; - } - - /* Calculate the new attenuation values. */ - baseband_attenuation = radio->baseband_atten; - baseband_attenuation += baseband_att_delta; - radio_attenuation = radio->radio_atten; - radio_attenuation += radio_att_delta; - - /* Get baseband and radio attenuation values into their permitted ranges. - * baseband 0-11, radio 0-9. - * Radio attenuation affects power level 4 times as much as baseband. - */ - if (radio_attenuation < 0) { - baseband_attenuation -= (4 * -radio_attenuation); - radio_attenuation = 0; - } else if (radio_attenuation > 9) { - baseband_attenuation += (4 * (radio_attenuation - 9)); - radio_attenuation = 9; - } else { - while (baseband_attenuation < 0 && radio_attenuation > 0) { - baseband_attenuation += 4; - radio_attenuation--; - } - while (baseband_attenuation > 11 && radio_attenuation < 9) { - baseband_attenuation -= 4; - radio_attenuation++; - } - } - baseband_attenuation = limit_value(baseband_attenuation, 0, 11); - - txpower = radio->txctl1; - if ((radio->version == 0x2050) && (radio->revision == 2)) { - if (radio_attenuation <= 1) { - if (txpower == 0) { - txpower = 3; - radio_attenuation += 2; - baseband_attenuation += 2; - } else if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) { - baseband_attenuation += 4 * (radio_attenuation - 2); - radio_attenuation = 2; - } - } else if (radio_attenuation > 4 && txpower != 0) { - txpower = 0; - if (baseband_attenuation < 3) { - radio_attenuation -= 3; - baseband_attenuation += 2; - } else { - radio_attenuation -= 2; - baseband_attenuation -= 2; - } - } - } - radio->txctl1 = txpower; - baseband_attenuation = limit_value(baseband_attenuation, 0, 11); - radio_attenuation = limit_value(radio_attenuation, 0, 9); - - bcm43xx_phy_lock(bcm, phylock_flags); - bcm43xx_radio_lock(bcm); - bcm43xx_radio_set_txpower_bg(bcm, baseband_attenuation, - radio_attenuation, txpower); - bcm43xx_phy_lo_mark_current_used(bcm); - bcm43xx_radio_unlock(bcm); - bcm43xx_phy_unlock(bcm, phylock_flags); - break; - } - default: - assert(0); - } -} - -static inline -s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den) -{ - if (num < 0) - return num/den; - else - return (num+den/2)/den; -} - -static inline -s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2) -{ - s32 m1, m2, f = 256, q, delta; - s8 i = 0; - - m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32); - m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1); - do { - if (i > 15) - return -EINVAL; - q = bcm43xx_tssi2dbm_ad(f * 4096 - - bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048); - delta = abs(q - f); - f = q; - i++; - } while (delta >= 2); - entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128); - return 0; -} - -/* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */ -int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - s16 pab0, pab1, pab2; - u8 idx; - s8 *dyn_tssi2dbm; - - if (phy->type == BCM43xx_PHYTYPE_A) { - pab0 = (s16)(bcm->sprom.pa1b0); - pab1 = (s16)(bcm->sprom.pa1b1); - pab2 = (s16)(bcm->sprom.pa1b2); - } else { - pab0 = (s16)(bcm->sprom.pa0b0); - pab1 = (s16)(bcm->sprom.pa0b1); - pab2 = (s16)(bcm->sprom.pa0b2); - } - - if ((bcm->chip_id == 0x4301) && (radio->version != 0x2050)) { - phy->idle_tssi = 0x34; - phy->tssi2dbm = bcm43xx_tssi2dbm_b_table; - return 0; - } - - if (pab0 != 0 && pab1 != 0 && pab2 != 0 && - pab0 != -1 && pab1 != -1 && pab2 != -1) { - /* The pabX values are set in SPROM. Use them. */ - if (phy->type == BCM43xx_PHYTYPE_A) { - if ((s8)bcm->sprom.idle_tssi_tgt_aphy != 0 && - (s8)bcm->sprom.idle_tssi_tgt_aphy != -1) - phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_aphy); - else - phy->idle_tssi = 62; - } else { - if ((s8)bcm->sprom.idle_tssi_tgt_bgphy != 0 && - (s8)bcm->sprom.idle_tssi_tgt_bgphy != -1) - phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_bgphy); - else - phy->idle_tssi = 62; - } - dyn_tssi2dbm = kmalloc(64, GFP_KERNEL); - if (dyn_tssi2dbm == NULL) { - printk(KERN_ERR PFX "Could not allocate memory " - "for tssi2dbm table\n"); - return -ENOMEM; - } - for (idx = 0; idx < 64; idx++) - if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) { - phy->tssi2dbm = NULL; - printk(KERN_ERR PFX "Could not generate " - "tssi2dBm table\n"); - kfree(dyn_tssi2dbm); - return -ENODEV; - } - phy->tssi2dbm = dyn_tssi2dbm; - phy->dyn_tssi_tbl = 1; - } else { - /* pabX values not set in SPROM. */ - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - /* APHY needs a generated table. */ - phy->tssi2dbm = NULL; - printk(KERN_ERR PFX "Could not generate tssi2dBm " - "table (wrong SPROM info)!\n"); - return -ENODEV; - case BCM43xx_PHYTYPE_B: - phy->idle_tssi = 0x34; - phy->tssi2dbm = bcm43xx_tssi2dbm_b_table; - break; - case BCM43xx_PHYTYPE_G: - phy->idle_tssi = 0x34; - phy->tssi2dbm = bcm43xx_tssi2dbm_g_table; - break; - } - } - - return 0; -} - -int bcm43xx_phy_init(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - int err = -ENODEV; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - if (phy->rev == 2 || phy->rev == 3) { - bcm43xx_phy_inita(bcm); - err = 0; - } - break; - case BCM43xx_PHYTYPE_B: - switch (phy->rev) { - case 2: - bcm43xx_phy_initb2(bcm); - err = 0; - break; - case 4: - bcm43xx_phy_initb4(bcm); - err = 0; - break; - case 5: - bcm43xx_phy_initb5(bcm); - err = 0; - break; - case 6: - bcm43xx_phy_initb6(bcm); - err = 0; - break; - } - break; - case BCM43xx_PHYTYPE_G: - bcm43xx_phy_initg(bcm); - err = 0; - break; - } - if (err) - printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n"); - - return err; -} - -void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 antennadiv; - u16 offset; - u16 value; - u32 ucodeflags; - - antennadiv = phy->antenna_diversity; - - if (antennadiv == 0xFFFF) - antennadiv = 3; - assert(antennadiv <= 3); - - ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - ucodeflags & ~BCM43xx_UCODEFLAG_AUTODIV); - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - case BCM43xx_PHYTYPE_G: - if (phy->type == BCM43xx_PHYTYPE_A) - offset = 0x0000; - else - offset = 0x0400; - - if (antennadiv == 2) - value = (3/*automatic*/ << 7); - else - value = (antennadiv << 7); - bcm43xx_phy_write(bcm, offset + 1, - (bcm43xx_phy_read(bcm, offset + 1) - & 0x7E7F) | value); - - if (antennadiv >= 2) { - if (antennadiv == 2) - value = (antennadiv << 7); - else - value = (0/*force0*/ << 7); - bcm43xx_phy_write(bcm, offset + 0x2B, - (bcm43xx_phy_read(bcm, offset + 0x2B) - & 0xFEFF) | value); - } - - if (phy->type == BCM43xx_PHYTYPE_G) { - if (antennadiv >= 2) - bcm43xx_phy_write(bcm, 0x048C, - bcm43xx_phy_read(bcm, 0x048C) - | 0x2000); - else - bcm43xx_phy_write(bcm, 0x048C, - bcm43xx_phy_read(bcm, 0x048C) - & ~0x2000); - if (phy->rev >= 2) { - bcm43xx_phy_write(bcm, 0x0461, - bcm43xx_phy_read(bcm, 0x0461) - | 0x0010); - bcm43xx_phy_write(bcm, 0x04AD, - (bcm43xx_phy_read(bcm, 0x04AD) - & 0x00FF) | 0x0015); - if (phy->rev == 2) - bcm43xx_phy_write(bcm, 0x0427, 0x0008); - else - bcm43xx_phy_write(bcm, 0x0427, - (bcm43xx_phy_read(bcm, 0x0427) - & 0x00FF) | 0x0008); - } - else if (phy->rev >= 6) - bcm43xx_phy_write(bcm, 0x049B, 0x00DC); - } else { - if (phy->rev < 3) - bcm43xx_phy_write(bcm, 0x002B, - (bcm43xx_phy_read(bcm, 0x002B) - & 0x00FF) | 0x0024); - else { - bcm43xx_phy_write(bcm, 0x0061, - bcm43xx_phy_read(bcm, 0x0061) - | 0x0010); - if (phy->rev == 3) { - bcm43xx_phy_write(bcm, 0x0093, 0x001D); - bcm43xx_phy_write(bcm, 0x0027, 0x0008); - } else { - bcm43xx_phy_write(bcm, 0x0093, 0x003A); - bcm43xx_phy_write(bcm, 0x0027, - (bcm43xx_phy_read(bcm, 0x0027) - & 0x00FF) | 0x0008); - } - } - } - break; - case BCM43xx_PHYTYPE_B: - if (bcm->current_core->rev == 2) - value = (3/*automatic*/ << 7); - else - value = (antennadiv << 7); - bcm43xx_phy_write(bcm, 0x03E2, - (bcm43xx_phy_read(bcm, 0x03E2) - & 0xFE7F) | value); - break; - default: - assert(0); - } - - if (antennadiv >= 2) { - ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET); - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - ucodeflags | BCM43xx_UCODEFLAG_AUTODIV); - } - - phy->antenna_diversity = antennadiv; -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_phy.h b/drivers/net/wireless/bcm43xx/bcm43xx_phy.h deleted file mode 100644 index 73118364b552..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_phy.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef BCM43xx_PHY_H_ -#define BCM43xx_PHY_H_ - -#include <linux/types.h> - -struct bcm43xx_private; - -void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm); -#define bcm43xx_phy_lock(bcm, flags) \ - do { \ - local_irq_save(flags); \ - bcm43xx_raw_phy_lock(bcm); \ - } while (0) -void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm); -#define bcm43xx_phy_unlock(bcm, flags) \ - do { \ - bcm43xx_raw_phy_unlock(bcm); \ - local_irq_restore(flags); \ - } while (0) - -/* Card uses the loopback gain stuff */ -#define has_loopback_gain(phy) \ - (((phy)->rev > 1) || ((phy)->connected)) - -u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset); -void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val); - -int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm); -int bcm43xx_phy_init(struct bcm43xx_private *bcm); - -void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm); -void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm); -int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect); - -void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm); -void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm); -void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm); - -/* Adjust the LocalOscillator to the saved values. - * "fixed" is only set to 1 once in initialization. Set to 0 otherwise. - */ -void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed); -void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm); - -void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm, - u16 baseband_attenuation); - -#endif /* BCM43xx_PHY_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c b/drivers/net/wireless/bcm43xx/bcm43xx_pio.c deleted file mode 100644 index 76ab109cd2db..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_pio.c +++ /dev/null @@ -1,674 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - PIO Transmission - - Copyright (c) 2005 Michael Buesch <mbuesch@freenet.de> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx.h" -#include "bcm43xx_pio.h" -#include "bcm43xx_main.h" -#include "bcm43xx_xmit.h" -#include "bcm43xx_power.h" - -#include <linux/delay.h> - - -static void tx_start(struct bcm43xx_pioqueue *queue) -{ - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - BCM43xx_PIO_TXCTL_INIT); -} - -static void tx_octet(struct bcm43xx_pioqueue *queue, - u8 octet) -{ - if (queue->need_workarounds) { - bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, - octet); - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - BCM43xx_PIO_TXCTL_WRITELO); - } else { - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - BCM43xx_PIO_TXCTL_WRITELO); - bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, - octet); - } -} - -static u16 tx_get_next_word(struct bcm43xx_txhdr *txhdr, - const u8 *packet, - unsigned int *pos) -{ - const u8 *source; - unsigned int i = *pos; - u16 ret; - - if (i < sizeof(*txhdr)) { - source = (const u8 *)txhdr; - } else { - source = packet; - i -= sizeof(*txhdr); - } - ret = le16_to_cpu( *((__le16 *)(source + i)) ); - *pos += 2; - - return ret; -} - -static void tx_data(struct bcm43xx_pioqueue *queue, - struct bcm43xx_txhdr *txhdr, - const u8 *packet, - unsigned int octets) -{ - u16 data; - unsigned int i = 0; - - if (queue->need_workarounds) { - data = tx_get_next_word(txhdr, packet, &i); - bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, data); - } - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - BCM43xx_PIO_TXCTL_WRITELO | - BCM43xx_PIO_TXCTL_WRITEHI); - while (i < octets - 1) { - data = tx_get_next_word(txhdr, packet, &i); - bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, data); - } - if (octets % 2) - tx_octet(queue, packet[octets - sizeof(*txhdr) - 1]); -} - -static void tx_complete(struct bcm43xx_pioqueue *queue, - struct sk_buff *skb) -{ - if (queue->need_workarounds) { - bcm43xx_pio_write(queue, BCM43xx_PIO_TXDATA, - skb->data[skb->len - 1]); - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - BCM43xx_PIO_TXCTL_WRITELO | - BCM43xx_PIO_TXCTL_COMPLETE); - } else { - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - BCM43xx_PIO_TXCTL_COMPLETE); - } -} - -static u16 generate_cookie(struct bcm43xx_pioqueue *queue, - struct bcm43xx_pio_txpacket *packet) -{ - u16 cookie = 0x0000; - int packetindex; - - /* We use the upper 4 bits for the PIO - * controller ID and the lower 12 bits - * for the packet index (in the cache). - */ - switch (queue->mmio_base) { - case BCM43xx_MMIO_PIO1_BASE: - break; - case BCM43xx_MMIO_PIO2_BASE: - cookie = 0x1000; - break; - case BCM43xx_MMIO_PIO3_BASE: - cookie = 0x2000; - break; - case BCM43xx_MMIO_PIO4_BASE: - cookie = 0x3000; - break; - default: - assert(0); - } - packetindex = pio_txpacket_getindex(packet); - assert(((u16)packetindex & 0xF000) == 0x0000); - cookie |= (u16)packetindex; - - return cookie; -} - -static -struct bcm43xx_pioqueue * parse_cookie(struct bcm43xx_private *bcm, - u16 cookie, - struct bcm43xx_pio_txpacket **packet) -{ - struct bcm43xx_pio *pio = bcm43xx_current_pio(bcm); - struct bcm43xx_pioqueue *queue = NULL; - int packetindex; - - switch (cookie & 0xF000) { - case 0x0000: - queue = pio->queue0; - break; - case 0x1000: - queue = pio->queue1; - break; - case 0x2000: - queue = pio->queue2; - break; - case 0x3000: - queue = pio->queue3; - break; - default: - assert(0); - } - packetindex = (cookie & 0x0FFF); - assert(packetindex >= 0 && packetindex < BCM43xx_PIO_MAXTXPACKETS); - *packet = &(queue->tx_packets_cache[packetindex]); - - return queue; -} - -static void pio_tx_write_fragment(struct bcm43xx_pioqueue *queue, - struct sk_buff *skb, - struct bcm43xx_pio_txpacket *packet) -{ - struct bcm43xx_txhdr txhdr; - unsigned int octets; - - assert(skb_shinfo(skb)->nr_frags == 0); - bcm43xx_generate_txhdr(queue->bcm, - &txhdr, skb->data, skb->len, - (packet->xmitted_frags == 0), - generate_cookie(queue, packet)); - - tx_start(queue); - octets = skb->len + sizeof(txhdr); - if (queue->need_workarounds) - octets--; - tx_data(queue, &txhdr, (u8 *)skb->data, octets); - tx_complete(queue, skb); -} - -static void free_txpacket(struct bcm43xx_pio_txpacket *packet, - int irq_context) -{ - struct bcm43xx_pioqueue *queue = packet->queue; - - ieee80211_txb_free(packet->txb); - list_move(&packet->list, &queue->txfree); - queue->nr_txfree++; - - assert(queue->tx_devq_used >= packet->xmitted_octets); - assert(queue->tx_devq_packets >= packet->xmitted_frags); - queue->tx_devq_used -= packet->xmitted_octets; - queue->tx_devq_packets -= packet->xmitted_frags; -} - -static int pio_tx_packet(struct bcm43xx_pio_txpacket *packet) -{ - struct bcm43xx_pioqueue *queue = packet->queue; - struct ieee80211_txb *txb = packet->txb; - struct sk_buff *skb; - u16 octets; - int i; - - for (i = packet->xmitted_frags; i < txb->nr_frags; i++) { - skb = txb->fragments[i]; - - octets = (u16)skb->len + sizeof(struct bcm43xx_txhdr); - assert(queue->tx_devq_size >= octets); - assert(queue->tx_devq_packets <= BCM43xx_PIO_MAXTXDEVQPACKETS); - assert(queue->tx_devq_used <= queue->tx_devq_size); - /* Check if there is sufficient free space on the device - * TX queue. If not, return and let the TX tasklet - * retry later. - */ - if (queue->tx_devq_packets == BCM43xx_PIO_MAXTXDEVQPACKETS) - return -EBUSY; - if (queue->tx_devq_used + octets > queue->tx_devq_size) - return -EBUSY; - /* Now poke the device. */ - pio_tx_write_fragment(queue, skb, packet); - - /* Account for the packet size. - * (We must not overflow the device TX queue) - */ - queue->tx_devq_packets++; - queue->tx_devq_used += octets; - - assert(packet->xmitted_frags < packet->txb->nr_frags); - packet->xmitted_frags++; - packet->xmitted_octets += octets; - } - list_move_tail(&packet->list, &queue->txrunning); - - return 0; -} - -static void tx_tasklet(unsigned long d) -{ - struct bcm43xx_pioqueue *queue = (struct bcm43xx_pioqueue *)d; - struct bcm43xx_private *bcm = queue->bcm; - unsigned long flags; - struct bcm43xx_pio_txpacket *packet, *tmp_packet; - int err; - u16 txctl; - - spin_lock_irqsave(&bcm->irq_lock, flags); - - if (queue->tx_frozen) - goto out_unlock; - txctl = bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL); - if (txctl & BCM43xx_PIO_TXCTL_SUSPEND) - goto out_unlock; - - list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) { - assert(packet->xmitted_frags < packet->txb->nr_frags); - if (packet->xmitted_frags == 0) { - int i; - struct sk_buff *skb; - - /* Check if the device queue is big - * enough for every fragment. If not, drop the - * whole packet. - */ - for (i = 0; i < packet->txb->nr_frags; i++) { - skb = packet->txb->fragments[i]; - if (unlikely(skb->len > queue->tx_devq_size)) { - dprintkl(KERN_ERR PFX "PIO TX device queue too small. " - "Dropping packet.\n"); - free_txpacket(packet, 1); - goto next_packet; - } - } - } - /* Try to transmit the packet. - * This may not completely succeed. - */ - err = pio_tx_packet(packet); - if (err) - break; - next_packet: - continue; - } -out_unlock: - spin_unlock_irqrestore(&bcm->irq_lock, flags); -} - -static void setup_txqueues(struct bcm43xx_pioqueue *queue) -{ - struct bcm43xx_pio_txpacket *packet; - int i; - - queue->nr_txfree = BCM43xx_PIO_MAXTXPACKETS; - for (i = 0; i < BCM43xx_PIO_MAXTXPACKETS; i++) { - packet = &(queue->tx_packets_cache[i]); - - packet->queue = queue; - INIT_LIST_HEAD(&packet->list); - - list_add(&packet->list, &queue->txfree); - } -} - -static -struct bcm43xx_pioqueue * bcm43xx_setup_pioqueue(struct bcm43xx_private *bcm, - u16 pio_mmio_base) -{ - struct bcm43xx_pioqueue *queue; - u32 value; - u16 qsize; - - queue = kzalloc(sizeof(*queue), GFP_KERNEL); - if (!queue) - goto out; - - queue->bcm = bcm; - queue->mmio_base = pio_mmio_base; - queue->need_workarounds = (bcm->current_core->rev < 3); - - INIT_LIST_HEAD(&queue->txfree); - INIT_LIST_HEAD(&queue->txqueue); - INIT_LIST_HEAD(&queue->txrunning); - tasklet_init(&queue->txtask, tx_tasklet, - (unsigned long)queue); - - value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - value &= ~BCM43xx_SBF_XFER_REG_BYTESWAP; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value); - - qsize = bcm43xx_read16(bcm, queue->mmio_base + BCM43xx_PIO_TXQBUFSIZE); - if (qsize == 0) { - printk(KERN_ERR PFX "ERROR: This card does not support PIO " - "operation mode. Please use DMA mode " - "(module parameter pio=0).\n"); - goto err_freequeue; - } - if (qsize <= BCM43xx_PIO_TXQADJUST) { - printk(KERN_ERR PFX "PIO tx device-queue too small (%u)\n", - qsize); - goto err_freequeue; - } - qsize -= BCM43xx_PIO_TXQADJUST; - queue->tx_devq_size = qsize; - - setup_txqueues(queue); - -out: - return queue; - -err_freequeue: - kfree(queue); - queue = NULL; - goto out; -} - -static void cancel_transfers(struct bcm43xx_pioqueue *queue) -{ - struct bcm43xx_pio_txpacket *packet, *tmp_packet; - - netif_tx_disable(queue->bcm->net_dev); - tasklet_disable(&queue->txtask); - - list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list) - free_txpacket(packet, 0); - list_for_each_entry_safe(packet, tmp_packet, &queue->txqueue, list) - free_txpacket(packet, 0); -} - -static void bcm43xx_destroy_pioqueue(struct bcm43xx_pioqueue *queue) -{ - if (!queue) - return; - - cancel_transfers(queue); - kfree(queue); -} - -void bcm43xx_pio_free(struct bcm43xx_private *bcm) -{ - struct bcm43xx_pio *pio; - - if (!bcm43xx_using_pio(bcm)) - return; - pio = bcm43xx_current_pio(bcm); - - bcm43xx_destroy_pioqueue(pio->queue3); - pio->queue3 = NULL; - bcm43xx_destroy_pioqueue(pio->queue2); - pio->queue2 = NULL; - bcm43xx_destroy_pioqueue(pio->queue1); - pio->queue1 = NULL; - bcm43xx_destroy_pioqueue(pio->queue0); - pio->queue0 = NULL; -} - -int bcm43xx_pio_init(struct bcm43xx_private *bcm) -{ - struct bcm43xx_pio *pio = bcm43xx_current_pio(bcm); - struct bcm43xx_pioqueue *queue; - int err = -ENOMEM; - - queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO1_BASE); - if (!queue) - goto out; - pio->queue0 = queue; - - queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO2_BASE); - if (!queue) - goto err_destroy0; - pio->queue1 = queue; - - queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO3_BASE); - if (!queue) - goto err_destroy1; - pio->queue2 = queue; - - queue = bcm43xx_setup_pioqueue(bcm, BCM43xx_MMIO_PIO4_BASE); - if (!queue) - goto err_destroy2; - pio->queue3 = queue; - - if (bcm->current_core->rev < 3) - bcm->irq_savedstate |= BCM43xx_IRQ_PIO_WORKAROUND; - - dprintk(KERN_INFO PFX "PIO initialized\n"); - err = 0; -out: - return err; - -err_destroy2: - bcm43xx_destroy_pioqueue(pio->queue2); - pio->queue2 = NULL; -err_destroy1: - bcm43xx_destroy_pioqueue(pio->queue1); - pio->queue1 = NULL; -err_destroy0: - bcm43xx_destroy_pioqueue(pio->queue0); - pio->queue0 = NULL; - goto out; -} - -int bcm43xx_pio_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb) -{ - struct bcm43xx_pioqueue *queue = bcm43xx_current_pio(bcm)->queue1; - struct bcm43xx_pio_txpacket *packet; - - assert(!queue->tx_suspended); - assert(!list_empty(&queue->txfree)); - - packet = list_entry(queue->txfree.next, struct bcm43xx_pio_txpacket, list); - packet->txb = txb; - packet->xmitted_frags = 0; - packet->xmitted_octets = 0; - list_move_tail(&packet->list, &queue->txqueue); - queue->nr_txfree--; - assert(queue->nr_txfree < BCM43xx_PIO_MAXTXPACKETS); - - /* Suspend TX, if we are out of packets in the "free" queue. */ - if (list_empty(&queue->txfree)) { - netif_stop_queue(queue->bcm->net_dev); - queue->tx_suspended = 1; - } - - tasklet_schedule(&queue->txtask); - - return 0; -} - -void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status) -{ - struct bcm43xx_pioqueue *queue; - struct bcm43xx_pio_txpacket *packet; - - queue = parse_cookie(bcm, status->cookie, &packet); - assert(queue); - - free_txpacket(packet, 1); - if (queue->tx_suspended) { - queue->tx_suspended = 0; - netif_wake_queue(queue->bcm->net_dev); - } - /* If there are packets on the txqueue, poke the tasklet - * to transmit them. - */ - if (!list_empty(&queue->txqueue)) - tasklet_schedule(&queue->txtask); -} - -static void pio_rx_error(struct bcm43xx_pioqueue *queue, - int clear_buffers, - const char *error) -{ - int i; - - printkl("PIO RX error: %s\n", error); - bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL, - BCM43xx_PIO_RXCTL_READY); - if (clear_buffers) { - assert(queue->mmio_base == BCM43xx_MMIO_PIO1_BASE); - for (i = 0; i < 15; i++) { - /* Dummy read. */ - bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); - } - } -} - -void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue) -{ - __le16 preamble[21] = { 0 }; - struct bcm43xx_rxhdr *rxhdr; - u16 tmp, len, rxflags2; - int i, preamble_readwords; - struct sk_buff *skb; - - tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL); - if (!(tmp & BCM43xx_PIO_RXCTL_DATAAVAILABLE)) - return; - bcm43xx_pio_write(queue, BCM43xx_PIO_RXCTL, - BCM43xx_PIO_RXCTL_DATAAVAILABLE); - - for (i = 0; i < 10; i++) { - tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXCTL); - if (tmp & BCM43xx_PIO_RXCTL_READY) - goto data_ready; - udelay(10); - } - dprintkl(KERN_ERR PFX "PIO RX timed out\n"); - return; -data_ready: - - len = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); - if (unlikely(len > 0x700)) { - pio_rx_error(queue, 0, "len > 0x700"); - return; - } - if (unlikely(len == 0 && queue->mmio_base != BCM43xx_MMIO_PIO4_BASE)) { - pio_rx_error(queue, 0, "len == 0"); - return; - } - preamble[0] = cpu_to_le16(len); - if (queue->mmio_base == BCM43xx_MMIO_PIO4_BASE) - preamble_readwords = 14 / sizeof(u16); - else - preamble_readwords = 18 / sizeof(u16); - for (i = 0; i < preamble_readwords; i++) { - tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); - preamble[i + 1] = cpu_to_le16(tmp); - } - rxhdr = (struct bcm43xx_rxhdr *)preamble; - rxflags2 = le16_to_cpu(rxhdr->flags2); - if (unlikely(rxflags2 & BCM43xx_RXHDR_FLAGS2_INVALIDFRAME)) { - pio_rx_error(queue, - (queue->mmio_base == BCM43xx_MMIO_PIO1_BASE), - "invalid frame"); - return; - } - if (queue->mmio_base == BCM43xx_MMIO_PIO4_BASE) { - /* We received an xmit status. */ - struct bcm43xx_hwxmitstatus *hw; - struct bcm43xx_xmitstatus stat; - - hw = (struct bcm43xx_hwxmitstatus *)(preamble + 1); - stat.cookie = le16_to_cpu(hw->cookie); - stat.flags = hw->flags; - stat.cnt1 = hw->cnt1; - stat.cnt2 = hw->cnt2; - stat.seq = le16_to_cpu(hw->seq); - stat.unknown = le16_to_cpu(hw->unknown); - - bcm43xx_debugfs_log_txstat(queue->bcm, &stat); - bcm43xx_pio_handle_xmitstatus(queue->bcm, &stat); - - return; - } - - skb = dev_alloc_skb(len); - if (unlikely(!skb)) { - pio_rx_error(queue, 1, "OOM"); - return; - } - skb_put(skb, len); - for (i = 0; i < len - 1; i += 2) { - tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); - *((__le16 *)(skb->data + i)) = cpu_to_le16(tmp); - } - if (len % 2) { - tmp = bcm43xx_pio_read(queue, BCM43xx_PIO_RXDATA); - skb->data[len - 1] = (tmp & 0x00FF); -/* The specs say the following is required, but - * it is wrong and corrupts the PLCP. If we don't do - * this, the PLCP seems to be correct. So ifdef it out for now. - */ -#if 0 - if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME) - skb->data[2] = (tmp & 0xFF00) >> 8; - else - skb->data[0] = (tmp & 0xFF00) >> 8; -#endif - } - skb_trim(skb, len - IEEE80211_FCS_LEN); - bcm43xx_rx(queue->bcm, skb, rxhdr); -} - -void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue) -{ - bcm43xx_power_saving_ctl_bits(queue->bcm, -1, 1); - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL) - | BCM43xx_PIO_TXCTL_SUSPEND); -} - -void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue) -{ - bcm43xx_pio_write(queue, BCM43xx_PIO_TXCTL, - bcm43xx_pio_read(queue, BCM43xx_PIO_TXCTL) - & ~BCM43xx_PIO_TXCTL_SUSPEND); - bcm43xx_power_saving_ctl_bits(queue->bcm, -1, -1); - if (!list_empty(&queue->txqueue)) - tasklet_schedule(&queue->txtask); -} - -void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm) -{ - struct bcm43xx_pio *pio; - - assert(bcm43xx_using_pio(bcm)); - pio = bcm43xx_current_pio(bcm); - pio->queue0->tx_frozen = 1; - pio->queue1->tx_frozen = 1; - pio->queue2->tx_frozen = 1; - pio->queue3->tx_frozen = 1; -} - -void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm) -{ - struct bcm43xx_pio *pio; - - assert(bcm43xx_using_pio(bcm)); - pio = bcm43xx_current_pio(bcm); - pio->queue0->tx_frozen = 0; - pio->queue1->tx_frozen = 0; - pio->queue2->tx_frozen = 0; - pio->queue3->tx_frozen = 0; - if (!list_empty(&pio->queue0->txqueue)) - tasklet_schedule(&pio->queue0->txtask); - if (!list_empty(&pio->queue1->txqueue)) - tasklet_schedule(&pio->queue1->txtask); - if (!list_empty(&pio->queue2->txqueue)) - tasklet_schedule(&pio->queue2->txtask); - if (!list_empty(&pio->queue3->txqueue)) - tasklet_schedule(&pio->queue3->txtask); -} - - diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h b/drivers/net/wireless/bcm43xx/bcm43xx_pio.h deleted file mode 100644 index bc78a3c2cafb..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_pio.h +++ /dev/null @@ -1,163 +0,0 @@ -#ifndef BCM43xx_PIO_H_ -#define BCM43xx_PIO_H_ - -#include "bcm43xx.h" - -#include <linux/interrupt.h> -#include <linux/list.h> -#include <linux/skbuff.h> - - -#define BCM43xx_PIO_TXCTL 0x00 -#define BCM43xx_PIO_TXDATA 0x02 -#define BCM43xx_PIO_TXQBUFSIZE 0x04 -#define BCM43xx_PIO_RXCTL 0x08 -#define BCM43xx_PIO_RXDATA 0x0A - -#define BCM43xx_PIO_TXCTL_WRITELO (1 << 0) -#define BCM43xx_PIO_TXCTL_WRITEHI (1 << 1) -#define BCM43xx_PIO_TXCTL_COMPLETE (1 << 2) -#define BCM43xx_PIO_TXCTL_INIT (1 << 3) -#define BCM43xx_PIO_TXCTL_SUSPEND (1 << 7) - -#define BCM43xx_PIO_RXCTL_DATAAVAILABLE (1 << 0) -#define BCM43xx_PIO_RXCTL_READY (1 << 1) - -/* PIO constants */ -#define BCM43xx_PIO_MAXTXDEVQPACKETS 31 -#define BCM43xx_PIO_TXQADJUST 80 - -/* PIO tuning knobs */ -#define BCM43xx_PIO_MAXTXPACKETS 256 - - - -#ifdef CONFIG_BCM43XX_PIO - - -struct bcm43xx_pioqueue; -struct bcm43xx_xmitstatus; - -struct bcm43xx_pio_txpacket { - struct bcm43xx_pioqueue *queue; - struct ieee80211_txb *txb; - struct list_head list; - - u8 xmitted_frags; - u16 xmitted_octets; -}; - -#define pio_txpacket_getindex(packet) ((int)((packet) - (packet)->queue->tx_packets_cache)) - -struct bcm43xx_pioqueue { - struct bcm43xx_private *bcm; - u16 mmio_base; - - u8 tx_suspended:1, - tx_frozen:1, - need_workarounds:1; /* Workarounds needed for core.rev < 3 */ - - /* Adjusted size of the device internal TX buffer. */ - u16 tx_devq_size; - /* Used octets of the device internal TX buffer. */ - u16 tx_devq_used; - /* Used packet slots in the device internal TX buffer. */ - u8 tx_devq_packets; - /* Packets from the txfree list can - * be taken on incoming TX requests. - */ - struct list_head txfree; - unsigned int nr_txfree; - /* Packets on the txqueue are queued, - * but not completely written to the chip, yet. - */ - struct list_head txqueue; - /* Packets on the txrunning queue are completely - * posted to the device. We are waiting for the txstatus. - */ - struct list_head txrunning; - /* Total number or packets sent. - * (This counter can obviously wrap). - */ - unsigned int nr_tx_packets; - struct tasklet_struct txtask; - struct bcm43xx_pio_txpacket tx_packets_cache[BCM43xx_PIO_MAXTXPACKETS]; -}; - -static inline -u16 bcm43xx_pio_read(struct bcm43xx_pioqueue *queue, - u16 offset) -{ - return bcm43xx_read16(queue->bcm, queue->mmio_base + offset); -} - -static inline -void bcm43xx_pio_write(struct bcm43xx_pioqueue *queue, - u16 offset, u16 value) -{ - bcm43xx_write16(queue->bcm, queue->mmio_base + offset, value); - mmiowb(); -} - - -int bcm43xx_pio_init(struct bcm43xx_private *bcm); -void bcm43xx_pio_free(struct bcm43xx_private *bcm); - -int bcm43xx_pio_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb); -void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status); -void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue); - -/* Suspend a TX queue on hardware level. */ -void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue); -void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue); -/* Suspend (freeze) the TX tasklet (software level). */ -void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm); -void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm); - -#else /* CONFIG_BCM43XX_PIO */ - -static inline -int bcm43xx_pio_init(struct bcm43xx_private *bcm) -{ - return 0; -} -static inline -void bcm43xx_pio_free(struct bcm43xx_private *bcm) -{ -} -static inline -int bcm43xx_pio_tx(struct bcm43xx_private *bcm, - struct ieee80211_txb *txb) -{ - return 0; -} -static inline -void bcm43xx_pio_handle_xmitstatus(struct bcm43xx_private *bcm, - struct bcm43xx_xmitstatus *status) -{ -} -static inline -void bcm43xx_pio_rx(struct bcm43xx_pioqueue *queue) -{ -} -static inline -void bcm43xx_pio_tx_suspend(struct bcm43xx_pioqueue *queue) -{ -} -static inline -void bcm43xx_pio_tx_resume(struct bcm43xx_pioqueue *queue) -{ -} -static inline -void bcm43xx_pio_freeze_txqueues(struct bcm43xx_private *bcm) -{ -} -static inline -void bcm43xx_pio_thaw_txqueues(struct bcm43xx_private *bcm) -{ -} - -#endif /* CONFIG_BCM43XX_PIO */ -#endif /* BCM43xx_PIO_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.c b/drivers/net/wireless/bcm43xx/bcm43xx_power.c deleted file mode 100644 index 7e774f410953..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_power.c +++ /dev/null @@ -1,393 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/delay.h> - -#include "bcm43xx.h" -#include "bcm43xx_power.h" -#include "bcm43xx_main.h" - - -/* Get the Slow Clock Source */ -static int bcm43xx_pctl_get_slowclksrc(struct bcm43xx_private *bcm) -{ - u32 tmp; - int err; - - assert(bcm->current_core == &bcm->core_chipcommon); - if (bcm->current_core->rev < 6) { - if (bcm->bustype == BCM43xx_BUSTYPE_PCMCIA || - bcm->bustype == BCM43xx_BUSTYPE_SB) - return BCM43xx_PCTL_CLKSRC_XTALOS; - if (bcm->bustype == BCM43xx_BUSTYPE_PCI) { - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUT, &tmp); - assert(!err); - if (tmp & 0x10) - return BCM43xx_PCTL_CLKSRC_PCI; - return BCM43xx_PCTL_CLKSRC_XTALOS; - } - } - if (bcm->current_core->rev < 10) { - tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); - tmp &= 0x7; - if (tmp == 0) - return BCM43xx_PCTL_CLKSRC_LOPWROS; - if (tmp == 1) - return BCM43xx_PCTL_CLKSRC_XTALOS; - if (tmp == 2) - return BCM43xx_PCTL_CLKSRC_PCI; - } - - return BCM43xx_PCTL_CLKSRC_XTALOS; -} - -/* Get max/min slowclock frequency - * as described in http://bcm-specs.sipsolutions.net/PowerControl - */ -static int bcm43xx_pctl_clockfreqlimit(struct bcm43xx_private *bcm, - int get_max) -{ - int limit; - int clocksrc; - int divisor; - u32 tmp; - - assert(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL); - assert(bcm->current_core == &bcm->core_chipcommon); - - clocksrc = bcm43xx_pctl_get_slowclksrc(bcm); - if (bcm->current_core->rev < 6) { - switch (clocksrc) { - case BCM43xx_PCTL_CLKSRC_PCI: - divisor = 64; - break; - case BCM43xx_PCTL_CLKSRC_XTALOS: - divisor = 32; - break; - default: - assert(0); - divisor = 1; - } - } else if (bcm->current_core->rev < 10) { - switch (clocksrc) { - case BCM43xx_PCTL_CLKSRC_LOPWROS: - divisor = 1; - break; - case BCM43xx_PCTL_CLKSRC_XTALOS: - case BCM43xx_PCTL_CLKSRC_PCI: - tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); - divisor = ((tmp & 0xFFFF0000) >> 16) + 1; - divisor *= 4; - break; - default: - assert(0); - divisor = 1; - } - } else { - tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL); - divisor = ((tmp & 0xFFFF0000) >> 16) + 1; - divisor *= 4; - } - - switch (clocksrc) { - case BCM43xx_PCTL_CLKSRC_LOPWROS: - if (get_max) - limit = 43000; - else - limit = 25000; - break; - case BCM43xx_PCTL_CLKSRC_XTALOS: - if (get_max) - limit = 20200000; - else - limit = 19800000; - break; - case BCM43xx_PCTL_CLKSRC_PCI: - if (get_max) - limit = 34000000; - else - limit = 25000000; - break; - default: - assert(0); - limit = 0; - } - limit /= divisor; - - return limit; -} - - -/* init power control - * as described in http://bcm-specs.sipsolutions.net/PowerControl - */ -int bcm43xx_pctl_init(struct bcm43xx_private *bcm) -{ - int err, maxfreq; - struct bcm43xx_coreinfo *old_core; - - old_core = bcm->current_core; - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err == -ENODEV) - return 0; - if (err) - goto out; - - if (bcm->chip_id == 0x4321) { - if (bcm->chip_rev == 0) - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_CTL, 0x03A4); - if (bcm->chip_rev == 1) - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_CTL, 0x00A4); - } - - if (bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL) { - if (bcm->current_core->rev >= 10) { - /* Set Idle Power clock rate to 1Mhz */ - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL, - (bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SYSCLKCTL) - & 0x0000FFFF) | 0x40000); - } else { - maxfreq = bcm43xx_pctl_clockfreqlimit(bcm, 1); - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_PLLONDELAY, - (maxfreq * 150 + 999999) / 1000000); - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_FREFSELDELAY, - (maxfreq * 15 + 999999) / 1000000); - } - } - - err = bcm43xx_switch_core(bcm, old_core); - assert(err == 0); - -out: - return err; -} - -u16 bcm43xx_pctl_powerup_delay(struct bcm43xx_private *bcm) -{ - u16 delay = 0; - int err; - u32 pll_on_delay; - struct bcm43xx_coreinfo *old_core; - int minfreq; - - if (bcm->bustype != BCM43xx_BUSTYPE_PCI) - goto out; - if (!(bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL)) - goto out; - old_core = bcm->current_core; - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err == -ENODEV) - goto out; - - minfreq = bcm43xx_pctl_clockfreqlimit(bcm, 0); - pll_on_delay = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_PLLONDELAY); - delay = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq; - - err = bcm43xx_switch_core(bcm, old_core); - assert(err == 0); - -out: - return delay; -} - -/* set the powercontrol clock - * as described in http://bcm-specs.sipsolutions.net/PowerControl - */ -int bcm43xx_pctl_set_clock(struct bcm43xx_private *bcm, u16 mode) -{ - int err; - struct bcm43xx_coreinfo *old_core; - u32 tmp; - - old_core = bcm->current_core; - err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - if (err == -ENODEV) - return 0; - if (err) - goto out; - - if (bcm->core_chipcommon.rev < 6) { - if (mode == BCM43xx_PCTL_CLK_FAST) { - err = bcm43xx_pctl_set_crystal(bcm, 1); - if (err) - goto out; - } - } else { - if ((bcm->chipcommon_capabilities & BCM43xx_CAPABILITIES_PCTL) && - (bcm->core_chipcommon.rev < 10)) { - switch (mode) { - case BCM43xx_PCTL_CLK_FAST: - tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); - tmp = (tmp & ~BCM43xx_PCTL_FORCE_SLOW) | BCM43xx_PCTL_FORCE_PLL; - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL, tmp); - break; - case BCM43xx_PCTL_CLK_SLOW: - tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); - tmp |= BCM43xx_PCTL_FORCE_SLOW; - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL, tmp); - break; - case BCM43xx_PCTL_CLK_DYNAMIC: - tmp = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL); - tmp &= ~BCM43xx_PCTL_FORCE_SLOW; - tmp |= BCM43xx_PCTL_FORCE_PLL; - tmp &= ~BCM43xx_PCTL_DYN_XTAL; - bcm43xx_write32(bcm, BCM43xx_CHIPCOMMON_SLOWCLKCTL, tmp); - } - } - } - - err = bcm43xx_switch_core(bcm, old_core); - assert(err == 0); - -out: - return err; -} - -int bcm43xx_pctl_set_crystal(struct bcm43xx_private *bcm, int on) -{ - int err; - u32 in, out, outenable; - - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_IN, &in); - if (err) - goto err_pci; - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUT, &out); - if (err) - goto err_pci; - err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCTL_OUTENABLE, &outenable); - if (err) - goto err_pci; - - outenable |= (BCM43xx_PCTL_XTAL_POWERUP | BCM43xx_PCTL_PLL_POWERDOWN); - - if (on) { - if (in & 0x40) - return 0; - - out |= (BCM43xx_PCTL_XTAL_POWERUP | BCM43xx_PCTL_PLL_POWERDOWN); - - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUT, out); - if (err) - goto err_pci; - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUTENABLE, outenable); - if (err) - goto err_pci; - udelay(1000); - - out &= ~BCM43xx_PCTL_PLL_POWERDOWN; - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUT, out); - if (err) - goto err_pci; - udelay(5000); - } else { - if (bcm->current_core->rev < 5) - return 0; - if (bcm->sprom.boardflags & BCM43xx_BFL_XTAL_NOSLOW) - return 0; - -/* XXX: Why BCM43xx_MMIO_RADIO_HWENABLED_xx can't be read at this time? - * err = bcm43xx_switch_core(bcm, bcm->active_80211_core); - * if (err) - * return err; - * if (((bcm->current_core->rev >= 3) && - * (bcm43xx_read32(bcm, BCM43xx_MMIO_RADIO_HWENABLED_HI) & (1 << 16))) || - * ((bcm->current_core->rev < 3) && - * !(bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_HWENABLED_LO) & (1 << 4)))) - * return 0; - * err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); - * if (err) - * return err; - */ - - err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); - if (err) - goto out; - out &= ~BCM43xx_PCTL_XTAL_POWERUP; - out |= BCM43xx_PCTL_PLL_POWERDOWN; - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUT, out); - if (err) - goto err_pci; - err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCTL_OUTENABLE, outenable); - if (err) - goto err_pci; - } - -out: - return err; - -err_pci: - printk(KERN_ERR PFX "Error: pctl_set_clock() could not access PCI config space!\n"); - err = -EBUSY; - goto out; -} - -/* Set the PowerSavingControlBits. - * Bitvalues: - * 0 => unset the bit - * 1 => set the bit - * -1 => calculate the bit - */ -void bcm43xx_power_saving_ctl_bits(struct bcm43xx_private *bcm, - int bit25, int bit26) -{ - int i; - u32 status; - -//FIXME: Force 25 to off and 26 to on for now: -bit25 = 0; -bit26 = 1; - - if (bit25 == -1) { - //TODO: If powersave is not off and FIXME is not set and we are not in adhoc - // and thus is not an AP and we are associated, set bit 25 - } - if (bit26 == -1) { - //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME, - // or we are associated, or FIXME, or the latest PS-Poll packet sent was - // successful, set bit26 - } - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - if (bit25) - status |= BCM43xx_SBF_PS1; - else - status &= ~BCM43xx_SBF_PS1; - if (bit26) - status |= BCM43xx_SBF_PS2; - else - status &= ~BCM43xx_SBF_PS2; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); - if (bit26 && bcm->current_core->rev >= 5) { - for (i = 0; i < 100; i++) { - if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0040) != 4) - break; - udelay(10); - } - } -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_power.h b/drivers/net/wireless/bcm43xx/bcm43xx_power.h deleted file mode 100644 index c966ab3a5a8c..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_power.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef BCM43xx_POWER_H_ -#define BCM43xx_POWER_H_ - -#include <linux/types.h> - -/* Clock sources */ -enum { - /* PCI clock */ - BCM43xx_PCTL_CLKSRC_PCI, - /* Crystal slow clock oscillator */ - BCM43xx_PCTL_CLKSRC_XTALOS, - /* Low power oscillator */ - BCM43xx_PCTL_CLKSRC_LOPWROS, -}; - -struct bcm43xx_private; - -int bcm43xx_pctl_init(struct bcm43xx_private *bcm); -int bcm43xx_pctl_set_clock(struct bcm43xx_private *bcm, u16 mode); -int bcm43xx_pctl_set_crystal(struct bcm43xx_private *bcm, int on); -u16 bcm43xx_pctl_powerup_delay(struct bcm43xx_private *bcm); - -void bcm43xx_power_saving_ctl_bits(struct bcm43xx_private *bcm, - int bit25, int bit26); - -#endif /* BCM43xx_POWER_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.c b/drivers/net/wireless/bcm43xx/bcm43xx_radio.c deleted file mode 100644 index c605099c9baf..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_radio.c +++ /dev/null @@ -1,2170 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/delay.h> - -#include "bcm43xx.h" -#include "bcm43xx_main.h" -#include "bcm43xx_phy.h" -#include "bcm43xx_radio.h" -#include "bcm43xx_ilt.h" - - -/* Table for bcm43xx_radio_calibrationvalue() */ -static const u16 rcc_table[16] = { - 0x0002, 0x0003, 0x0001, 0x000F, - 0x0006, 0x0007, 0x0005, 0x000F, - 0x000A, 0x000B, 0x0009, 0x000F, - 0x000E, 0x000F, 0x000D, 0x000F, -}; - -/* Reverse the bits of a 4bit value. - * Example: 1101 is flipped 1011 - */ -static u16 flip_4bit(u16 value) -{ - u16 flipped = 0x0000; - - assert((value & ~0x000F) == 0x0000); - - flipped |= (value & 0x0001) << 3; - flipped |= (value & 0x0002) << 1; - flipped |= (value & 0x0004) >> 1; - flipped |= (value & 0x0008) >> 3; - - return flipped; -} - -/* Get the freq, as it has to be written to the device. */ -static inline -u16 channel2freq_bg(u8 channel) -{ - /* Frequencies are given as frequencies_bg[index] + 2.4GHz - * Starting with channel 1 - */ - static const u16 frequencies_bg[14] = { - 12, 17, 22, 27, - 32, 37, 42, 47, - 52, 57, 62, 67, - 72, 84, - }; - - assert(channel >= 1 && channel <= 14); - - return frequencies_bg[channel - 1]; -} - -/* Get the freq, as it has to be written to the device. */ -static inline -u16 channel2freq_a(u8 channel) -{ - assert(channel <= 200); - - return (5000 + 5 * channel); -} - -void bcm43xx_radio_lock(struct bcm43xx_private *bcm) -{ - u32 status; - - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - status |= BCM43xx_SBF_RADIOREG_LOCK; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); - mmiowb(); - udelay(10); -} - -void bcm43xx_radio_unlock(struct bcm43xx_private *bcm) -{ - u32 status; - - bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); /* dummy read */ - status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); - status &= ~BCM43xx_SBF_RADIOREG_LOCK; - bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); - mmiowb(); -} - -u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - offset |= 0x0040; - break; - case BCM43xx_PHYTYPE_B: - if (radio->version == 0x2053) { - if (offset < 0x70) - offset += 0x80; - else if (offset < 0x80) - offset += 0x70; - } else if (radio->version == 0x2050) { - offset |= 0x80; - } else - assert(0); - break; - case BCM43xx_PHYTYPE_G: - offset |= 0x80; - break; - } - - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset); - return bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); -} - -void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val) -{ - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset); - mmiowb(); - bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW, val); -} - -static void bcm43xx_set_all_gains(struct bcm43xx_private *bcm, - s16 first, s16 second, s16 third) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 i; - u16 start = 0x08, end = 0x18; - u16 offset = 0x0400; - u16 tmp; - - if (phy->rev <= 1) { - offset = 0x5000; - start = 0x10; - end = 0x20; - } - - for (i = 0; i < 4; i++) - bcm43xx_ilt_write(bcm, offset + i, first); - - for (i = start; i < end; i++) - bcm43xx_ilt_write(bcm, offset + i, second); - - if (third != -1) { - tmp = ((u16)third << 14) | ((u16)third << 6); - bcm43xx_phy_write(bcm, 0x04A0, - (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | tmp); - bcm43xx_phy_write(bcm, 0x04A1, - (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | tmp); - bcm43xx_phy_write(bcm, 0x04A2, - (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | tmp); - } - bcm43xx_dummy_transmission(bcm); -} - -static void bcm43xx_set_original_gains(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 i, tmp; - u16 offset = 0x0400; - u16 start = 0x0008, end = 0x0018; - - if (phy->rev <= 1) { - offset = 0x5000; - start = 0x0010; - end = 0x0020; - } - - for (i = 0; i < 4; i++) { - tmp = (i & 0xFFFC); - tmp |= (i & 0x0001) << 1; - tmp |= (i & 0x0002) >> 1; - - bcm43xx_ilt_write(bcm, offset + i, tmp); - } - - for (i = start; i < end; i++) - bcm43xx_ilt_write(bcm, offset + i, i - start); - - bcm43xx_phy_write(bcm, 0x04A0, - (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | 0x4040); - bcm43xx_phy_write(bcm, 0x04A1, - (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | 0x4040); - bcm43xx_phy_write(bcm, 0x04A2, - (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | 0x4000); - bcm43xx_dummy_transmission(bcm); -} - -/* Synthetic PU workaround */ -static void bcm43xx_synth_pu_workaround(struct bcm43xx_private *bcm, u8 channel) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - - if (radio->version != 0x2050 || radio->revision >= 6) { - /* We do not need the workaround. */ - return; - } - - if (channel <= 10) { - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, - channel2freq_bg(channel + 4)); - } else { - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, - channel2freq_bg(1)); - } - udelay(100); - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, - channel2freq_bg(channel)); -} - -u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u8 ret = 0; - u16 saved, rssi, temp; - int i, j = 0; - - saved = bcm43xx_phy_read(bcm, 0x0403); - bcm43xx_radio_selectchannel(bcm, channel, 0); - bcm43xx_phy_write(bcm, 0x0403, (saved & 0xFFF8) | 5); - if (radio->aci_hw_rssi) - rssi = bcm43xx_phy_read(bcm, 0x048A) & 0x3F; - else - rssi = saved & 0x3F; - /* clamp temp to signed 5bit */ - if (rssi > 32) - rssi -= 64; - for (i = 0;i < 100; i++) { - temp = (bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x3F; - if (temp > 32) - temp -= 64; - if (temp < rssi) - j++; - if (j >= 20) - ret = 1; - } - bcm43xx_phy_write(bcm, 0x0403, saved); - - return ret; -} - -u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u8 ret[13]; - unsigned int channel = radio->channel; - unsigned int i, j, start, end; - unsigned long phylock_flags; - - if (!((phy->type == BCM43xx_PHYTYPE_G) && (phy->rev > 0))) - return 0; - - bcm43xx_phy_lock(bcm, phylock_flags); - bcm43xx_radio_lock(bcm); - bcm43xx_phy_write(bcm, 0x0802, - bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF); - bcm43xx_set_all_gains(bcm, 3, 8, 1); - - start = (channel - 5 > 0) ? channel - 5 : 1; - end = (channel + 5 < 14) ? channel + 5 : 13; - - for (i = start; i <= end; i++) { - if (abs(channel - i) > 2) - ret[i-1] = bcm43xx_radio_aci_detect(bcm, i); - } - bcm43xx_radio_selectchannel(bcm, channel, 0); - bcm43xx_phy_write(bcm, 0x0802, - (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC) | 0x0003); - bcm43xx_phy_write(bcm, 0x0403, - bcm43xx_phy_read(bcm, 0x0403) & 0xFFF8); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); - bcm43xx_set_original_gains(bcm); - for (i = 0; i < 13; i++) { - if (!ret[i]) - continue; - end = (i + 5 < 13) ? i + 5 : 13; - for (j = i; j < end; j++) - ret[j] = 1; - } - bcm43xx_radio_unlock(bcm); - bcm43xx_phy_unlock(bcm, phylock_flags); - - return ret[channel - 1]; -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val) -{ - bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset); - mmiowb(); - bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_DATA, (u16)val); -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset) -{ - u16 val; - - bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset); - val = bcm43xx_phy_read(bcm, BCM43xx_PHY_NRSSILT_DATA); - - return (s16)val; -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val) -{ - u16 i; - s16 tmp; - - for (i = 0; i < 64; i++) { - tmp = bcm43xx_nrssi_hw_read(bcm, i); - tmp -= val; - tmp = limit_value(tmp, -32, 31); - bcm43xx_nrssi_hw_write(bcm, i, tmp); - } -} - -/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ -void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - s16 i, delta; - s32 tmp; - - delta = 0x1F - radio->nrssi[0]; - for (i = 0; i < 64; i++) { - tmp = (i - delta) * radio->nrssislope; - tmp /= 0x10000; - tmp += 0x3A; - tmp = limit_value(tmp, 0, 0x3F); - radio->nrssi_lt[i] = tmp; - } -} - -static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - u16 backup[20] = { 0 }; - s16 v47F; - u16 i; - u16 saved = 0xFFFF; - - backup[0] = bcm43xx_phy_read(bcm, 0x0001); - backup[1] = bcm43xx_phy_read(bcm, 0x0811); - backup[2] = bcm43xx_phy_read(bcm, 0x0812); - backup[3] = bcm43xx_phy_read(bcm, 0x0814); - backup[4] = bcm43xx_phy_read(bcm, 0x0815); - backup[5] = bcm43xx_phy_read(bcm, 0x005A); - backup[6] = bcm43xx_phy_read(bcm, 0x0059); - backup[7] = bcm43xx_phy_read(bcm, 0x0058); - backup[8] = bcm43xx_phy_read(bcm, 0x000A); - backup[9] = bcm43xx_phy_read(bcm, 0x0003); - backup[10] = bcm43xx_radio_read16(bcm, 0x007A); - backup[11] = bcm43xx_radio_read16(bcm, 0x0043); - - bcm43xx_phy_write(bcm, 0x0429, - bcm43xx_phy_read(bcm, 0x0429) & 0x7FFF); - bcm43xx_phy_write(bcm, 0x0001, - (bcm43xx_phy_read(bcm, 0x0001) & 0x3FFF) | 0x4000); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x000C); - bcm43xx_phy_write(bcm, 0x0812, - (bcm43xx_phy_read(bcm, 0x0812) & 0xFFF3) | 0x0004); - bcm43xx_phy_write(bcm, 0x0802, - bcm43xx_phy_read(bcm, 0x0802) & ~(0x1 | 0x2)); - if (phy->rev >= 6) { - backup[12] = bcm43xx_phy_read(bcm, 0x002E); - backup[13] = bcm43xx_phy_read(bcm, 0x002F); - backup[14] = bcm43xx_phy_read(bcm, 0x080F); - backup[15] = bcm43xx_phy_read(bcm, 0x0810); - backup[16] = bcm43xx_phy_read(bcm, 0x0801); - backup[17] = bcm43xx_phy_read(bcm, 0x0060); - backup[18] = bcm43xx_phy_read(bcm, 0x0014); - backup[19] = bcm43xx_phy_read(bcm, 0x0478); - - bcm43xx_phy_write(bcm, 0x002E, 0); - bcm43xx_phy_write(bcm, 0x002F, 0); - bcm43xx_phy_write(bcm, 0x080F, 0); - bcm43xx_phy_write(bcm, 0x0810, 0); - bcm43xx_phy_write(bcm, 0x0478, - bcm43xx_phy_read(bcm, 0x0478) | 0x0100); - bcm43xx_phy_write(bcm, 0x0801, - bcm43xx_phy_read(bcm, 0x0801) | 0x0040); - bcm43xx_phy_write(bcm, 0x0060, - bcm43xx_phy_read(bcm, 0x0060) | 0x0040); - bcm43xx_phy_write(bcm, 0x0014, - bcm43xx_phy_read(bcm, 0x0014) | 0x0200); - } - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x0070); - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); - udelay(30); - - v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F == 31) { - for (i = 7; i >= 4; i--) { - bcm43xx_radio_write16(bcm, 0x007B, i); - udelay(20); - v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F < 31 && saved == 0xFFFF) - saved = i; - } - if (saved == 0xFFFF) - saved = 4; - } else { - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); - bcm43xx_phy_write(bcm, 0x0814, - bcm43xx_phy_read(bcm, 0x0814) | 0x0001); - bcm43xx_phy_write(bcm, 0x0815, - bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x000C); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) | 0x000C); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) | 0x0030); - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) | 0x0030); - bcm43xx_phy_write(bcm, 0x005A, 0x0480); - bcm43xx_phy_write(bcm, 0x0059, 0x0810); - bcm43xx_phy_write(bcm, 0x0058, 0x000D); - if (phy->analog == 0) { - bcm43xx_phy_write(bcm, 0x0003, 0x0122); - } else { - bcm43xx_phy_write(bcm, 0x000A, - bcm43xx_phy_read(bcm, 0x000A) - | 0x2000); - } - bcm43xx_phy_write(bcm, 0x0814, - bcm43xx_phy_read(bcm, 0x0814) | 0x0004); - bcm43xx_phy_write(bcm, 0x0815, - bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB); - bcm43xx_phy_write(bcm, 0x0003, - (bcm43xx_phy_read(bcm, 0x0003) & 0xFF9F) - | 0x0040); - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); - bcm43xx_set_all_gains(bcm, 3, 0, 1); - bcm43xx_radio_write16(bcm, 0x0043, - (bcm43xx_radio_read16(bcm, 0x0043) - & 0x00F0) | 0x000F); - udelay(30); - v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F == -32) { - for (i = 0; i < 4; i++) { - bcm43xx_radio_write16(bcm, 0x007B, i); - udelay(20); - v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); - if (v47F >= 0x20) - v47F -= 0x40; - if (v47F > -31 && saved == 0xFFFF) - saved = i; - } - if (saved == 0xFFFF) - saved = 3; - } else - saved = 0; - } - bcm43xx_radio_write16(bcm, 0x007B, saved); - - if (phy->rev >= 6) { - bcm43xx_phy_write(bcm, 0x002E, backup[12]); - bcm43xx_phy_write(bcm, 0x002F, backup[13]); - bcm43xx_phy_write(bcm, 0x080F, backup[14]); - bcm43xx_phy_write(bcm, 0x0810, backup[15]); - } - bcm43xx_phy_write(bcm, 0x0814, backup[3]); - bcm43xx_phy_write(bcm, 0x0815, backup[4]); - bcm43xx_phy_write(bcm, 0x005A, backup[5]); - bcm43xx_phy_write(bcm, 0x0059, backup[6]); - bcm43xx_phy_write(bcm, 0x0058, backup[7]); - bcm43xx_phy_write(bcm, 0x000A, backup[8]); - bcm43xx_phy_write(bcm, 0x0003, backup[9]); - bcm43xx_radio_write16(bcm, 0x0043, backup[11]); - bcm43xx_radio_write16(bcm, 0x007A, backup[10]); - bcm43xx_phy_write(bcm, 0x0802, - bcm43xx_phy_read(bcm, 0x0802) | 0x1 | 0x2); - bcm43xx_phy_write(bcm, 0x0429, - bcm43xx_phy_read(bcm, 0x0429) | 0x8000); - bcm43xx_set_original_gains(bcm); - if (phy->rev >= 6) { - bcm43xx_phy_write(bcm, 0x0801, backup[16]); - bcm43xx_phy_write(bcm, 0x0060, backup[17]); - bcm43xx_phy_write(bcm, 0x0014, backup[18]); - bcm43xx_phy_write(bcm, 0x0478, backup[19]); - } - bcm43xx_phy_write(bcm, 0x0001, backup[0]); - bcm43xx_phy_write(bcm, 0x0812, backup[2]); - bcm43xx_phy_write(bcm, 0x0811, backup[1]); -} - -void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 backup[18] = { 0 }; - u16 tmp; - s16 nrssi0, nrssi1; - - switch (phy->type) { - case BCM43xx_PHYTYPE_B: - backup[0] = bcm43xx_radio_read16(bcm, 0x007A); - backup[1] = bcm43xx_radio_read16(bcm, 0x0052); - backup[2] = bcm43xx_radio_read16(bcm, 0x0043); - backup[3] = bcm43xx_phy_read(bcm, 0x0030); - backup[4] = bcm43xx_phy_read(bcm, 0x0026); - backup[5] = bcm43xx_phy_read(bcm, 0x0015); - backup[6] = bcm43xx_phy_read(bcm, 0x002A); - backup[7] = bcm43xx_phy_read(bcm, 0x0020); - backup[8] = bcm43xx_phy_read(bcm, 0x005A); - backup[9] = bcm43xx_phy_read(bcm, 0x0059); - backup[10] = bcm43xx_phy_read(bcm, 0x0058); - backup[11] = bcm43xx_read16(bcm, 0x03E2); - backup[12] = bcm43xx_read16(bcm, 0x03E6); - backup[13] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); - - tmp = bcm43xx_radio_read16(bcm, 0x007A); - tmp &= (phy->rev >= 5) ? 0x007F : 0x000F; - bcm43xx_radio_write16(bcm, 0x007A, tmp); - bcm43xx_phy_write(bcm, 0x0030, 0x00FF); - bcm43xx_write16(bcm, 0x03EC, 0x7F7F); - bcm43xx_phy_write(bcm, 0x0026, 0x0000); - bcm43xx_phy_write(bcm, 0x0015, - bcm43xx_phy_read(bcm, 0x0015) | 0x0020); - bcm43xx_phy_write(bcm, 0x002A, 0x08A3); - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); - - nrssi0 = (s16)bcm43xx_phy_read(bcm, 0x0027); - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); - if (phy->analog >= 2) { - bcm43xx_write16(bcm, 0x03E6, 0x0040); - } else if (phy->analog == 0) { - bcm43xx_write16(bcm, 0x03E6, 0x0122); - } else { - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, - bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) & 0x2000); - } - bcm43xx_phy_write(bcm, 0x0020, 0x3F3F); - bcm43xx_phy_write(bcm, 0x0015, 0xF330); - bcm43xx_radio_write16(bcm, 0x005A, 0x0060); - bcm43xx_radio_write16(bcm, 0x0043, - bcm43xx_radio_read16(bcm, 0x0043) & 0x00F0); - bcm43xx_phy_write(bcm, 0x005A, 0x0480); - bcm43xx_phy_write(bcm, 0x0059, 0x0810); - bcm43xx_phy_write(bcm, 0x0058, 0x000D); - udelay(20); - - nrssi1 = (s16)bcm43xx_phy_read(bcm, 0x0027); - bcm43xx_phy_write(bcm, 0x0030, backup[3]); - bcm43xx_radio_write16(bcm, 0x007A, backup[0]); - bcm43xx_write16(bcm, 0x03E2, backup[11]); - bcm43xx_phy_write(bcm, 0x0026, backup[4]); - bcm43xx_phy_write(bcm, 0x0015, backup[5]); - bcm43xx_phy_write(bcm, 0x002A, backup[6]); - bcm43xx_synth_pu_workaround(bcm, radio->channel); - if (phy->analog != 0) - bcm43xx_write16(bcm, 0x03F4, backup[13]); - - bcm43xx_phy_write(bcm, 0x0020, backup[7]); - bcm43xx_phy_write(bcm, 0x005A, backup[8]); - bcm43xx_phy_write(bcm, 0x0059, backup[9]); - bcm43xx_phy_write(bcm, 0x0058, backup[10]); - bcm43xx_radio_write16(bcm, 0x0052, backup[1]); - bcm43xx_radio_write16(bcm, 0x0043, backup[2]); - - if (nrssi0 == nrssi1) - radio->nrssislope = 0x00010000; - else - radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1); - - if (nrssi0 <= -4) { - radio->nrssi[0] = nrssi0; - radio->nrssi[1] = nrssi1; - } - break; - case BCM43xx_PHYTYPE_G: - if (radio->revision >= 9) - return; - if (radio->revision == 8) - bcm43xx_calc_nrssi_offset(bcm); - - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF); - bcm43xx_phy_write(bcm, 0x0802, - bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC); - backup[7] = bcm43xx_read16(bcm, 0x03E2); - bcm43xx_write16(bcm, 0x03E2, - bcm43xx_read16(bcm, 0x03E2) | 0x8000); - backup[0] = bcm43xx_radio_read16(bcm, 0x007A); - backup[1] = bcm43xx_radio_read16(bcm, 0x0052); - backup[2] = bcm43xx_radio_read16(bcm, 0x0043); - backup[3] = bcm43xx_phy_read(bcm, 0x0015); - backup[4] = bcm43xx_phy_read(bcm, 0x005A); - backup[5] = bcm43xx_phy_read(bcm, 0x0059); - backup[6] = bcm43xx_phy_read(bcm, 0x0058); - backup[8] = bcm43xx_read16(bcm, 0x03E6); - backup[9] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); - if (phy->rev >= 3) { - backup[10] = bcm43xx_phy_read(bcm, 0x002E); - backup[11] = bcm43xx_phy_read(bcm, 0x002F); - backup[12] = bcm43xx_phy_read(bcm, 0x080F); - backup[13] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_LO_CONTROL); - backup[14] = bcm43xx_phy_read(bcm, 0x0801); - backup[15] = bcm43xx_phy_read(bcm, 0x0060); - backup[16] = bcm43xx_phy_read(bcm, 0x0014); - backup[17] = bcm43xx_phy_read(bcm, 0x0478); - bcm43xx_phy_write(bcm, 0x002E, 0); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, 0); - switch (phy->rev) { - case 4: case 6: case 7: - bcm43xx_phy_write(bcm, 0x0478, - bcm43xx_phy_read(bcm, 0x0478) - | 0x0100); - bcm43xx_phy_write(bcm, 0x0801, - bcm43xx_phy_read(bcm, 0x0801) - | 0x0040); - break; - case 3: case 5: - bcm43xx_phy_write(bcm, 0x0801, - bcm43xx_phy_read(bcm, 0x0801) - & 0xFFBF); - break; - } - bcm43xx_phy_write(bcm, 0x0060, - bcm43xx_phy_read(bcm, 0x0060) - | 0x0040); - bcm43xx_phy_write(bcm, 0x0014, - bcm43xx_phy_read(bcm, 0x0014) - | 0x0200); - } - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x0070); - bcm43xx_set_all_gains(bcm, 0, 8, 0); - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) & 0x00F7); - if (phy->rev >= 2) { - bcm43xx_phy_write(bcm, 0x0811, - (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0030); - bcm43xx_phy_write(bcm, 0x0812, - (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0010); - } - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x0080); - udelay(20); - - nrssi0 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); - if (nrssi0 >= 0x0020) - nrssi0 -= 0x0040; - - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) & 0x007F); - if (phy->analog >= 2) { - bcm43xx_phy_write(bcm, 0x0003, - (bcm43xx_phy_read(bcm, 0x0003) - & 0xFF9F) | 0x0040); - } - - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, - bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) - | 0x2000); - bcm43xx_radio_write16(bcm, 0x007A, - bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); - bcm43xx_phy_write(bcm, 0x0015, 0xF330); - if (phy->rev >= 2) { - bcm43xx_phy_write(bcm, 0x0812, - (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0020); - bcm43xx_phy_write(bcm, 0x0811, - (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0020); - } - - bcm43xx_set_all_gains(bcm, 3, 0, 1); - if (radio->revision == 8) { - bcm43xx_radio_write16(bcm, 0x0043, 0x001F); - } else { - tmp = bcm43xx_radio_read16(bcm, 0x0052) & 0xFF0F; - bcm43xx_radio_write16(bcm, 0x0052, tmp | 0x0060); - tmp = bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0; - bcm43xx_radio_write16(bcm, 0x0043, tmp | 0x0009); - } - bcm43xx_phy_write(bcm, 0x005A, 0x0480); - bcm43xx_phy_write(bcm, 0x0059, 0x0810); - bcm43xx_phy_write(bcm, 0x0058, 0x000D); - udelay(20); - nrssi1 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F); - if (nrssi1 >= 0x0020) - nrssi1 -= 0x0040; - if (nrssi0 == nrssi1) - radio->nrssislope = 0x00010000; - else - radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1); - if (nrssi0 >= -4) { - radio->nrssi[0] = nrssi1; - radio->nrssi[1] = nrssi0; - } - if (phy->rev >= 3) { - bcm43xx_phy_write(bcm, 0x002E, backup[10]); - bcm43xx_phy_write(bcm, 0x002F, backup[11]); - bcm43xx_phy_write(bcm, 0x080F, backup[12]); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, backup[13]); - } - if (phy->rev >= 2) { - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF); - bcm43xx_phy_write(bcm, 0x0811, - bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF); - } - - bcm43xx_radio_write16(bcm, 0x007A, backup[0]); - bcm43xx_radio_write16(bcm, 0x0052, backup[1]); - bcm43xx_radio_write16(bcm, 0x0043, backup[2]); - bcm43xx_write16(bcm, 0x03E2, backup[7]); - bcm43xx_write16(bcm, 0x03E6, backup[8]); - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[9]); - bcm43xx_phy_write(bcm, 0x0015, backup[3]); - bcm43xx_phy_write(bcm, 0x005A, backup[4]); - bcm43xx_phy_write(bcm, 0x0059, backup[5]); - bcm43xx_phy_write(bcm, 0x0058, backup[6]); - bcm43xx_synth_pu_workaround(bcm, radio->channel); - bcm43xx_phy_write(bcm, 0x0802, - bcm43xx_phy_read(bcm, 0x0802) | (0x0001 | 0x0002)); - bcm43xx_set_original_gains(bcm); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); - if (phy->rev >= 3) { - bcm43xx_phy_write(bcm, 0x0801, backup[14]); - bcm43xx_phy_write(bcm, 0x0060, backup[15]); - bcm43xx_phy_write(bcm, 0x0014, backup[16]); - bcm43xx_phy_write(bcm, 0x0478, backup[17]); - } - bcm43xx_nrssi_mem_update(bcm); - bcm43xx_calc_nrssi_threshold(bcm); - break; - default: - assert(0); - } -} - -void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - s32 threshold; - s32 a, b; - s16 tmp16; - u16 tmp_u16; - - switch (phy->type) { - case BCM43xx_PHYTYPE_B: { - if (radio->version != 0x2050) - return; - if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) - return; - - if (radio->revision >= 6) { - threshold = (radio->nrssi[1] - radio->nrssi[0]) * 32; - threshold += 20 * (radio->nrssi[0] + 1); - threshold /= 40; - } else - threshold = radio->nrssi[1] - 5; - - threshold = limit_value(threshold, 0, 0x3E); - bcm43xx_phy_read(bcm, 0x0020); /* dummy read */ - bcm43xx_phy_write(bcm, 0x0020, (((u16)threshold) << 8) | 0x001C); - - if (radio->revision >= 6) { - bcm43xx_phy_write(bcm, 0x0087, 0x0E0D); - bcm43xx_phy_write(bcm, 0x0086, 0x0C0B); - bcm43xx_phy_write(bcm, 0x0085, 0x0A09); - bcm43xx_phy_write(bcm, 0x0084, 0x0808); - bcm43xx_phy_write(bcm, 0x0083, 0x0808); - bcm43xx_phy_write(bcm, 0x0082, 0x0604); - bcm43xx_phy_write(bcm, 0x0081, 0x0302); - bcm43xx_phy_write(bcm, 0x0080, 0x0100); - } - break; - } - case BCM43xx_PHYTYPE_G: - if (!phy->connected || - !(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) { - tmp16 = bcm43xx_nrssi_hw_read(bcm, 0x20); - if (tmp16 >= 0x20) - tmp16 -= 0x40; - if (tmp16 < 3) { - bcm43xx_phy_write(bcm, 0x048A, - (bcm43xx_phy_read(bcm, 0x048A) - & 0xF000) | 0x09EB); - } else { - bcm43xx_phy_write(bcm, 0x048A, - (bcm43xx_phy_read(bcm, 0x048A) - & 0xF000) | 0x0AED); - } - } else { - if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN) { - a = 0xE; - b = 0xA; - } else if (!radio->aci_wlan_automatic && radio->aci_enable) { - a = 0x13; - b = 0x12; - } else { - a = 0xE; - b = 0x11; - } - - a = a * (radio->nrssi[1] - radio->nrssi[0]); - a += (radio->nrssi[0] << 6); - if (a < 32) - a += 31; - else - a += 32; - a = a >> 6; - a = limit_value(a, -31, 31); - - b = b * (radio->nrssi[1] - radio->nrssi[0]); - b += (radio->nrssi[0] << 6); - if (b < 32) - b += 31; - else - b += 32; - b = b >> 6; - b = limit_value(b, -31, 31); - - tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000; - tmp_u16 |= ((u32)b & 0x0000003F); - tmp_u16 |= (((u32)a & 0x0000003F) << 6); - bcm43xx_phy_write(bcm, 0x048A, tmp_u16); - } - break; - default: - assert(0); - } -} - -/* Stack implementation to save/restore values from the - * interference mitigation code. - * It is save to restore values in random order. - */ -static void _stack_save(u32 *_stackptr, size_t *stackidx, - u8 id, u16 offset, u16 value) -{ - u32 *stackptr = &(_stackptr[*stackidx]); - - assert((offset & 0xE000) == 0x0000); - assert((id & 0xF8) == 0x00); - *stackptr = offset; - *stackptr |= ((u32)id) << 13; - *stackptr |= ((u32)value) << 16; - (*stackidx)++; - assert(*stackidx < BCM43xx_INTERFSTACK_SIZE); -} - -static u16 _stack_restore(u32 *stackptr, - u8 id, u16 offset) -{ - size_t i; - - assert((offset & 0xE000) == 0x0000); - assert((id & 0xF8) == 0x00); - for (i = 0; i < BCM43xx_INTERFSTACK_SIZE; i++, stackptr++) { - if ((*stackptr & 0x00001FFF) != offset) - continue; - if (((*stackptr & 0x00007000) >> 13) != id) - continue; - return ((*stackptr & 0xFFFF0000) >> 16); - } - assert(0); - - return 0; -} - -#define phy_stacksave(offset) \ - do { \ - _stack_save(stack, &stackidx, 0x1, (offset), \ - bcm43xx_phy_read(bcm, (offset))); \ - } while (0) -#define phy_stackrestore(offset) \ - do { \ - bcm43xx_phy_write(bcm, (offset), \ - _stack_restore(stack, 0x1, \ - (offset))); \ - } while (0) -#define radio_stacksave(offset) \ - do { \ - _stack_save(stack, &stackidx, 0x2, (offset), \ - bcm43xx_radio_read16(bcm, (offset))); \ - } while (0) -#define radio_stackrestore(offset) \ - do { \ - bcm43xx_radio_write16(bcm, (offset), \ - _stack_restore(stack, 0x2, \ - (offset))); \ - } while (0) -#define ilt_stacksave(offset) \ - do { \ - _stack_save(stack, &stackidx, 0x3, (offset), \ - bcm43xx_ilt_read(bcm, (offset))); \ - } while (0) -#define ilt_stackrestore(offset) \ - do { \ - bcm43xx_ilt_write(bcm, (offset), \ - _stack_restore(stack, 0x3, \ - (offset))); \ - } while (0) - -static void -bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm, - int mode) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 tmp, flipped; - u32 tmp32; - size_t stackidx = 0; - u32 *stack = radio->interfstack; - - switch (mode) { - case BCM43xx_RADIO_INTERFMODE_NONWLAN: - if (phy->rev != 1) { - bcm43xx_phy_write(bcm, 0x042B, - bcm43xx_phy_read(bcm, 0x042B) | 0x0800); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & ~0x4000); - break; - } - radio_stacksave(0x0078); - tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E); - flipped = flip_4bit(tmp); - if (flipped < 10 && flipped >= 8) - flipped = 7; - else if (flipped >= 10) - flipped -= 3; - flipped = flip_4bit(flipped); - flipped = (flipped << 1) | 0x0020; - bcm43xx_radio_write16(bcm, 0x0078, flipped); - - bcm43xx_calc_nrssi_threshold(bcm); - - phy_stacksave(0x0406); - bcm43xx_phy_write(bcm, 0x0406, 0x7E28); - - bcm43xx_phy_write(bcm, 0x042B, - bcm43xx_phy_read(bcm, 0x042B) | 0x0800); - bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, - bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | 0x1000); - - phy_stacksave(0x04A0); - bcm43xx_phy_write(bcm, 0x04A0, - (bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008); - phy_stacksave(0x04A1); - bcm43xx_phy_write(bcm, 0x04A1, - (bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605); - phy_stacksave(0x04A2); - bcm43xx_phy_write(bcm, 0x04A2, - (bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204); - phy_stacksave(0x04A8); - bcm43xx_phy_write(bcm, 0x04A8, - (bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0803); - phy_stacksave(0x04AB); - bcm43xx_phy_write(bcm, 0x04AB, - (bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0605); - - phy_stacksave(0x04A7); - bcm43xx_phy_write(bcm, 0x04A7, 0x0002); - phy_stacksave(0x04A3); - bcm43xx_phy_write(bcm, 0x04A3, 0x287A); - phy_stacksave(0x04A9); - bcm43xx_phy_write(bcm, 0x04A9, 0x2027); - phy_stacksave(0x0493); - bcm43xx_phy_write(bcm, 0x0493, 0x32F5); - phy_stacksave(0x04AA); - bcm43xx_phy_write(bcm, 0x04AA, 0x2027); - phy_stacksave(0x04AC); - bcm43xx_phy_write(bcm, 0x04AC, 0x32F5); - break; - case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: - if (bcm43xx_phy_read(bcm, 0x0033) & 0x0800) - break; - - radio->aci_enable = 1; - - phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD); - phy_stacksave(BCM43xx_PHY_G_CRS); - if (phy->rev < 2) { - phy_stacksave(0x0406); - } else { - phy_stacksave(0x04C0); - phy_stacksave(0x04C1); - } - phy_stacksave(0x0033); - phy_stacksave(0x04A7); - phy_stacksave(0x04A3); - phy_stacksave(0x04A9); - phy_stacksave(0x04AA); - phy_stacksave(0x04AC); - phy_stacksave(0x0493); - phy_stacksave(0x04A1); - phy_stacksave(0x04A0); - phy_stacksave(0x04A2); - phy_stacksave(0x048A); - phy_stacksave(0x04A8); - phy_stacksave(0x04AB); - if (phy->rev == 2) { - phy_stacksave(0x04AD); - phy_stacksave(0x04AE); - } else if (phy->rev >= 3) { - phy_stacksave(0x04AD); - phy_stacksave(0x0415); - phy_stacksave(0x0416); - phy_stacksave(0x0417); - ilt_stacksave(0x1A00 + 0x2); - ilt_stacksave(0x1A00 + 0x3); - } - phy_stacksave(0x042B); - phy_stacksave(0x048C); - - bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, - bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) - & ~0x1000); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) - & 0xFFFC) | 0x0002); - - bcm43xx_phy_write(bcm, 0x0033, 0x0800); - bcm43xx_phy_write(bcm, 0x04A3, 0x2027); - bcm43xx_phy_write(bcm, 0x04A9, 0x1CA8); - bcm43xx_phy_write(bcm, 0x0493, 0x287A); - bcm43xx_phy_write(bcm, 0x04AA, 0x1CA8); - bcm43xx_phy_write(bcm, 0x04AC, 0x287A); - - bcm43xx_phy_write(bcm, 0x04A0, - (bcm43xx_phy_read(bcm, 0x04A0) - & 0xFFC0) | 0x001A); - bcm43xx_phy_write(bcm, 0x04A7, 0x000D); - - if (phy->rev < 2) { - bcm43xx_phy_write(bcm, 0x0406, 0xFF0D); - } else if (phy->rev == 2) { - bcm43xx_phy_write(bcm, 0x04C0, 0xFFFF); - bcm43xx_phy_write(bcm, 0x04C1, 0x00A9); - } else { - bcm43xx_phy_write(bcm, 0x04C0, 0x00C1); - bcm43xx_phy_write(bcm, 0x04C1, 0x0059); - } - - bcm43xx_phy_write(bcm, 0x04A1, - (bcm43xx_phy_read(bcm, 0x04A1) - & 0xC0FF) | 0x1800); - bcm43xx_phy_write(bcm, 0x04A1, - (bcm43xx_phy_read(bcm, 0x04A1) - & 0xFFC0) | 0x0015); - bcm43xx_phy_write(bcm, 0x04A8, - (bcm43xx_phy_read(bcm, 0x04A8) - & 0xCFFF) | 0x1000); - bcm43xx_phy_write(bcm, 0x04A8, - (bcm43xx_phy_read(bcm, 0x04A8) - & 0xF0FF) | 0x0A00); - bcm43xx_phy_write(bcm, 0x04AB, - (bcm43xx_phy_read(bcm, 0x04AB) - & 0xCFFF) | 0x1000); - bcm43xx_phy_write(bcm, 0x04AB, - (bcm43xx_phy_read(bcm, 0x04AB) - & 0xF0FF) | 0x0800); - bcm43xx_phy_write(bcm, 0x04AB, - (bcm43xx_phy_read(bcm, 0x04AB) - & 0xFFCF) | 0x0010); - bcm43xx_phy_write(bcm, 0x04AB, - (bcm43xx_phy_read(bcm, 0x04AB) - & 0xFFF0) | 0x0005); - bcm43xx_phy_write(bcm, 0x04A8, - (bcm43xx_phy_read(bcm, 0x04A8) - & 0xFFCF) | 0x0010); - bcm43xx_phy_write(bcm, 0x04A8, - (bcm43xx_phy_read(bcm, 0x04A8) - & 0xFFF0) | 0x0006); - bcm43xx_phy_write(bcm, 0x04A2, - (bcm43xx_phy_read(bcm, 0x04A2) - & 0xF0FF) | 0x0800); - bcm43xx_phy_write(bcm, 0x04A0, - (bcm43xx_phy_read(bcm, 0x04A0) - & 0xF0FF) | 0x0500); - bcm43xx_phy_write(bcm, 0x04A2, - (bcm43xx_phy_read(bcm, 0x04A2) - & 0xFFF0) | 0x000B); - - if (phy->rev >= 3) { - bcm43xx_phy_write(bcm, 0x048A, - bcm43xx_phy_read(bcm, 0x048A) - & ~0x8000); - bcm43xx_phy_write(bcm, 0x0415, - (bcm43xx_phy_read(bcm, 0x0415) - & 0x8000) | 0x36D8); - bcm43xx_phy_write(bcm, 0x0416, - (bcm43xx_phy_read(bcm, 0x0416) - & 0x8000) | 0x36D8); - bcm43xx_phy_write(bcm, 0x0417, - (bcm43xx_phy_read(bcm, 0x0417) - & 0xFE00) | 0x016D); - } else { - bcm43xx_phy_write(bcm, 0x048A, - bcm43xx_phy_read(bcm, 0x048A) - | 0x1000); - bcm43xx_phy_write(bcm, 0x048A, - (bcm43xx_phy_read(bcm, 0x048A) - & 0x9FFF) | 0x2000); - tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET); - if (!(tmp32 & 0x800)) { - tmp32 |= 0x800; - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - tmp32); - } - } - if (phy->rev >= 2) { - bcm43xx_phy_write(bcm, 0x042B, - bcm43xx_phy_read(bcm, 0x042B) - | 0x0800); - } - bcm43xx_phy_write(bcm, 0x048C, - (bcm43xx_phy_read(bcm, 0x048C) - & 0xF0FF) | 0x0200); - if (phy->rev == 2) { - bcm43xx_phy_write(bcm, 0x04AE, - (bcm43xx_phy_read(bcm, 0x04AE) - & 0xFF00) | 0x007F); - bcm43xx_phy_write(bcm, 0x04AD, - (bcm43xx_phy_read(bcm, 0x04AD) - & 0x00FF) | 0x1300); - } else if (phy->rev >= 6) { - bcm43xx_ilt_write(bcm, 0x1A00 + 0x3, 0x007F); - bcm43xx_ilt_write(bcm, 0x1A00 + 0x2, 0x007F); - bcm43xx_phy_write(bcm, 0x04AD, - bcm43xx_phy_read(bcm, 0x04AD) - & 0x00FF); - } - bcm43xx_calc_nrssi_slope(bcm); - break; - default: - assert(0); - } -} - -static void -bcm43xx_radio_interference_mitigation_disable(struct bcm43xx_private *bcm, - int mode) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u32 tmp32; - u32 *stack = radio->interfstack; - - switch (mode) { - case BCM43xx_RADIO_INTERFMODE_NONWLAN: - if (phy->rev != 1) { - bcm43xx_phy_write(bcm, 0x042B, - bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); - break; - } - phy_stackrestore(0x0078); - bcm43xx_calc_nrssi_threshold(bcm); - phy_stackrestore(0x0406); - bcm43xx_phy_write(bcm, 0x042B, - bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); - if (!bcm->bad_frames_preempt) { - bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, - bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) - & ~(1 << 11)); - } - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); - phy_stackrestore(0x04A0); - phy_stackrestore(0x04A1); - phy_stackrestore(0x04A2); - phy_stackrestore(0x04A8); - phy_stackrestore(0x04AB); - phy_stackrestore(0x04A7); - phy_stackrestore(0x04A3); - phy_stackrestore(0x04A9); - phy_stackrestore(0x0493); - phy_stackrestore(0x04AA); - phy_stackrestore(0x04AC); - break; - case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: - if (!(bcm43xx_phy_read(bcm, 0x0033) & 0x0800)) - break; - - radio->aci_enable = 0; - - phy_stackrestore(BCM43xx_PHY_RADIO_BITFIELD); - phy_stackrestore(BCM43xx_PHY_G_CRS); - phy_stackrestore(0x0033); - phy_stackrestore(0x04A3); - phy_stackrestore(0x04A9); - phy_stackrestore(0x0493); - phy_stackrestore(0x04AA); - phy_stackrestore(0x04AC); - phy_stackrestore(0x04A0); - phy_stackrestore(0x04A7); - if (phy->rev >= 2) { - phy_stackrestore(0x04C0); - phy_stackrestore(0x04C1); - } else - phy_stackrestore(0x0406); - phy_stackrestore(0x04A1); - phy_stackrestore(0x04AB); - phy_stackrestore(0x04A8); - if (phy->rev == 2) { - phy_stackrestore(0x04AD); - phy_stackrestore(0x04AE); - } else if (phy->rev >= 3) { - phy_stackrestore(0x04AD); - phy_stackrestore(0x0415); - phy_stackrestore(0x0416); - phy_stackrestore(0x0417); - ilt_stackrestore(0x1A00 + 0x2); - ilt_stackrestore(0x1A00 + 0x3); - } - phy_stackrestore(0x04A2); - phy_stackrestore(0x04A8); - phy_stackrestore(0x042B); - phy_stackrestore(0x048C); - tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET); - if (tmp32 & 0x800) { - tmp32 &= ~0x800; - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - tmp32); - } - bcm43xx_calc_nrssi_slope(bcm); - break; - default: - assert(0); - } -} - -#undef phy_stacksave -#undef phy_stackrestore -#undef radio_stacksave -#undef radio_stackrestore -#undef ilt_stacksave -#undef ilt_stackrestore - -int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, - int mode) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - int currentmode; - - if ((phy->type != BCM43xx_PHYTYPE_G) || - (phy->rev == 0) || - (!phy->connected)) - return -ENODEV; - - radio->aci_wlan_automatic = 0; - switch (mode) { - case BCM43xx_RADIO_INTERFMODE_AUTOWLAN: - radio->aci_wlan_automatic = 1; - if (radio->aci_enable) - mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; - else - mode = BCM43xx_RADIO_INTERFMODE_NONE; - break; - case BCM43xx_RADIO_INTERFMODE_NONE: - case BCM43xx_RADIO_INTERFMODE_NONWLAN: - case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: - break; - default: - return -EINVAL; - } - - currentmode = radio->interfmode; - if (currentmode == mode) - return 0; - if (currentmode != BCM43xx_RADIO_INTERFMODE_NONE) - bcm43xx_radio_interference_mitigation_disable(bcm, currentmode); - - if (mode == BCM43xx_RADIO_INTERFMODE_NONE) { - radio->aci_enable = 0; - radio->aci_hw_rssi = 0; - } else - bcm43xx_radio_interference_mitigation_enable(bcm, mode); - radio->interfmode = mode; - - return 0; -} - -u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm) -{ - u16 reg, index, ret; - - reg = bcm43xx_radio_read16(bcm, 0x0060); - index = (reg & 0x001E) >> 1; - ret = rcc_table[index] << 1; - ret |= (reg & 0x0001); - ret |= 0x0020; - - return ret; -} - -#define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) -static u16 bcm43xx_get_812_value(struct bcm43xx_private *bcm, u8 lpd) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 loop_or = 0; - u16 adj_loopback_gain = phy->loopback_gain[0]; - u8 loop; - u16 extern_lna_control; - - if (!phy->connected) - return 0; - if (!has_loopback_gain(phy)) { - if (phy->rev < 7 || !(bcm->sprom.boardflags - & BCM43xx_BFL_EXTLNA)) { - switch (lpd) { - case LPD(0, 1, 1): - return 0x0FB2; - case LPD(0, 0, 1): - return 0x00B2; - case LPD(1, 0, 1): - return 0x30B2; - case LPD(1, 0, 0): - return 0x30B3; - default: - assert(0); - } - } else { - switch (lpd) { - case LPD(0, 1, 1): - return 0x8FB2; - case LPD(0, 0, 1): - return 0x80B2; - case LPD(1, 0, 1): - return 0x20B2; - case LPD(1, 0, 0): - return 0x20B3; - default: - assert(0); - } - } - } else { - if (radio->revision == 8) - adj_loopback_gain += 0x003E; - else - adj_loopback_gain += 0x0026; - if (adj_loopback_gain >= 0x46) { - adj_loopback_gain -= 0x46; - extern_lna_control = 0x3000; - } else if (adj_loopback_gain >= 0x3A) { - adj_loopback_gain -= 0x3A; - extern_lna_control = 0x2000; - } else if (adj_loopback_gain >= 0x2E) { - adj_loopback_gain -= 0x2E; - extern_lna_control = 0x1000; - } else { - adj_loopback_gain -= 0x10; - extern_lna_control = 0x0000; - } - for (loop = 0; loop < 16; loop++) { - u16 tmp = adj_loopback_gain - 6 * loop; - if (tmp < 6) - break; - } - - loop_or = (loop << 8) | extern_lna_control; - if (phy->rev >= 7 && bcm->sprom.boardflags - & BCM43xx_BFL_EXTLNA) { - if (extern_lna_control) - loop_or |= 0x8000; - switch (lpd) { - case LPD(0, 1, 1): - return 0x8F92; - case LPD(0, 0, 1): - return (0x8092 | loop_or); - case LPD(1, 0, 1): - return (0x2092 | loop_or); - case LPD(1, 0, 0): - return (0x2093 | loop_or); - default: - assert(0); - } - } else { - switch (lpd) { - case LPD(0, 1, 1): - return 0x0F92; - case LPD(0, 0, 1): - case LPD(1, 0, 1): - return (0x0092 | loop_or); - case LPD(1, 0, 0): - return (0x0093 | loop_or); - default: - assert(0); - } - } - } - return 0; -} - -u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 backup[21] = { 0 }; - u16 ret; - u16 i, j; - u32 tmp1 = 0, tmp2 = 0; - - backup[0] = bcm43xx_radio_read16(bcm, 0x0043); - backup[14] = bcm43xx_radio_read16(bcm, 0x0051); - backup[15] = bcm43xx_radio_read16(bcm, 0x0052); - backup[1] = bcm43xx_phy_read(bcm, 0x0015); - backup[16] = bcm43xx_phy_read(bcm, 0x005A); - backup[17] = bcm43xx_phy_read(bcm, 0x0059); - backup[18] = bcm43xx_phy_read(bcm, 0x0058); - if (phy->type == BCM43xx_PHYTYPE_B) { - backup[2] = bcm43xx_phy_read(bcm, 0x0030); - backup[3] = bcm43xx_read16(bcm, 0x03EC); - bcm43xx_phy_write(bcm, 0x0030, 0x00FF); - bcm43xx_write16(bcm, 0x03EC, 0x3F3F); - } else { - if (phy->connected) { - backup[4] = bcm43xx_phy_read(bcm, 0x0811); - backup[5] = bcm43xx_phy_read(bcm, 0x0812); - backup[6] = bcm43xx_phy_read(bcm, 0x0814); - backup[7] = bcm43xx_phy_read(bcm, 0x0815); - backup[8] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS); - backup[9] = bcm43xx_phy_read(bcm, 0x0802); - bcm43xx_phy_write(bcm, 0x0814, - (bcm43xx_phy_read(bcm, 0x0814) - | 0x0003)); - bcm43xx_phy_write(bcm, 0x0815, - (bcm43xx_phy_read(bcm, 0x0815) - & 0xFFFC)); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, - (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) - & 0x7FFF)); - bcm43xx_phy_write(bcm, 0x0802, - (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC)); - if (phy->rev > 1) { /* loopback gain enabled */ - backup[19] = bcm43xx_phy_read(bcm, 0x080F); - backup[20] = bcm43xx_phy_read(bcm, 0x0810); - if (phy->rev >= 3) - bcm43xx_phy_write(bcm, 0x080F, 0xC020); - else - bcm43xx_phy_write(bcm, 0x080F, 0x8020); - bcm43xx_phy_write(bcm, 0x0810, 0x0000); - } - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(0, 1, 1))); - if (phy->rev < 7 || !(bcm->sprom.boardflags - & BCM43xx_BFL_EXTLNA)) - bcm43xx_phy_write(bcm, 0x0811, 0x01B3); - else - bcm43xx_phy_write(bcm, 0x0811, 0x09B3); - } - } - bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, - (bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) | 0x8000)); - backup[10] = bcm43xx_phy_read(bcm, 0x0035); - bcm43xx_phy_write(bcm, 0x0035, - (bcm43xx_phy_read(bcm, 0x0035) & 0xFF7F)); - backup[11] = bcm43xx_read16(bcm, 0x03E6); - backup[12] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT); - - // Initialization - if (phy->analog == 0) { - bcm43xx_write16(bcm, 0x03E6, 0x0122); - } else { - if (phy->analog >= 2) - bcm43xx_phy_write(bcm, 0x0003, - (bcm43xx_phy_read(bcm, 0x0003) - & 0xFFBF) | 0x0040); - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, - (bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) - | 0x2000)); - } - - ret = bcm43xx_radio_calibrationvalue(bcm); - - if (phy->type == BCM43xx_PHYTYPE_B) - bcm43xx_radio_write16(bcm, 0x0078, 0x0026); - - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(0, 1, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xBFAF); - bcm43xx_phy_write(bcm, 0x002B, 0x1403); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(0, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xBFA0); - bcm43xx_radio_write16(bcm, 0x0051, - (bcm43xx_radio_read16(bcm, 0x0051) | 0x0004)); - if (radio->revision == 8) - bcm43xx_radio_write16(bcm, 0x0043, 0x001F); - else { - bcm43xx_radio_write16(bcm, 0x0052, 0x0000); - bcm43xx_radio_write16(bcm, 0x0043, - (bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0) - | 0x0009); - } - bcm43xx_phy_write(bcm, 0x0058, 0x0000); - - for (i = 0; i < 16; i++) { - bcm43xx_phy_write(bcm, 0x005A, 0x0480); - bcm43xx_phy_write(bcm, 0x0059, 0xC810); - bcm43xx_phy_write(bcm, 0x0058, 0x000D); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(1, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); - udelay(10); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(1, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xEFB0); - udelay(10); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(1, 0, 0))); - bcm43xx_phy_write(bcm, 0x0015, 0xFFF0); - udelay(20); - tmp1 += bcm43xx_phy_read(bcm, 0x002D); - bcm43xx_phy_write(bcm, 0x0058, 0x0000); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, LPD(1, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); - } - - tmp1++; - tmp1 >>= 9; - udelay(10); - bcm43xx_phy_write(bcm, 0x0058, 0x0000); - - for (i = 0; i < 16; i++) { - bcm43xx_radio_write16(bcm, 0x0078, (flip_4bit(i) << 1) | 0x0020); - backup[13] = bcm43xx_radio_read16(bcm, 0x0078); - udelay(10); - for (j = 0; j < 16; j++) { - bcm43xx_phy_write(bcm, 0x005A, 0x0D80); - bcm43xx_phy_write(bcm, 0x0059, 0xC810); - bcm43xx_phy_write(bcm, 0x0058, 0x000D); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, - LPD(1, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); - udelay(10); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, - LPD(1, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xEFB0); - udelay(10); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, - LPD(1, 0, 0))); - bcm43xx_phy_write(bcm, 0x0015, 0xFFF0); - udelay(10); - tmp2 += bcm43xx_phy_read(bcm, 0x002D); - bcm43xx_phy_write(bcm, 0x0058, 0x0000); - if (phy->connected) - bcm43xx_phy_write(bcm, 0x0812, - bcm43xx_get_812_value(bcm, - LPD(1, 0, 1))); - bcm43xx_phy_write(bcm, 0x0015, 0xAFB0); - } - tmp2++; - tmp2 >>= 8; - if (tmp1 < tmp2) - break; - } - - /* Restore the registers */ - bcm43xx_phy_write(bcm, 0x0015, backup[1]); - bcm43xx_radio_write16(bcm, 0x0051, backup[14]); - bcm43xx_radio_write16(bcm, 0x0052, backup[15]); - bcm43xx_radio_write16(bcm, 0x0043, backup[0]); - bcm43xx_phy_write(bcm, 0x005A, backup[16]); - bcm43xx_phy_write(bcm, 0x0059, backup[17]); - bcm43xx_phy_write(bcm, 0x0058, backup[18]); - bcm43xx_write16(bcm, 0x03E6, backup[11]); - if (phy->analog != 0) - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[12]); - bcm43xx_phy_write(bcm, 0x0035, backup[10]); - bcm43xx_radio_selectchannel(bcm, radio->channel, 1); - if (phy->type == BCM43xx_PHYTYPE_B) { - bcm43xx_phy_write(bcm, 0x0030, backup[2]); - bcm43xx_write16(bcm, 0x03EC, backup[3]); - } else { - if (phy->connected) { - bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, - (bcm43xx_read16(bcm, - BCM43xx_MMIO_PHY_RADIO) & 0x7FFF)); - bcm43xx_phy_write(bcm, 0x0811, backup[4]); - bcm43xx_phy_write(bcm, 0x0812, backup[5]); - bcm43xx_phy_write(bcm, 0x0814, backup[6]); - bcm43xx_phy_write(bcm, 0x0815, backup[7]); - bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, backup[8]); - bcm43xx_phy_write(bcm, 0x0802, backup[9]); - if (phy->rev > 1) { - bcm43xx_phy_write(bcm, 0x080F, backup[19]); - bcm43xx_phy_write(bcm, 0x0810, backup[20]); - } - } - } - if (i >= 15) - ret = backup[13]; - - return ret; -} - -void bcm43xx_radio_init2060(struct bcm43xx_private *bcm) -{ - int err; - - bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); - bcm43xx_radio_write16(bcm, 0x0005, 0x0008); - bcm43xx_radio_write16(bcm, 0x0009, 0x0040); - bcm43xx_radio_write16(bcm, 0x0005, 0x00AA); - bcm43xx_radio_write16(bcm, 0x0032, 0x008F); - bcm43xx_radio_write16(bcm, 0x0006, 0x008F); - bcm43xx_radio_write16(bcm, 0x0034, 0x008F); - bcm43xx_radio_write16(bcm, 0x002C, 0x0007); - bcm43xx_radio_write16(bcm, 0x0082, 0x0080); - bcm43xx_radio_write16(bcm, 0x0080, 0x0000); - bcm43xx_radio_write16(bcm, 0x003F, 0x00DA); - bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008); - bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0010); - bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020); - bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020); - udelay(400); - - bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020) | 0x0010); - udelay(400); - - bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008) | 0x0008); - bcm43xx_radio_write16(bcm, 0x0085, bcm43xx_radio_read16(bcm, 0x0085) & ~0x0010); - bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008); - bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040); - bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040) | 0x0040); - bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0008) | 0x0008); - bcm43xx_phy_write(bcm, 0x0063, 0xDDC6); - bcm43xx_phy_write(bcm, 0x0069, 0x07BE); - bcm43xx_phy_write(bcm, 0x006A, 0x0000); - - err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_A, 0); - assert(err == 0); - udelay(1000); -} - -static inline -u16 freq_r3A_value(u16 frequency) -{ - u16 value; - - if (frequency < 5091) - value = 0x0040; - else if (frequency < 5321) - value = 0x0000; - else if (frequency < 5806) - value = 0x0080; - else - value = 0x0040; - - return value; -} - -void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm) -{ - static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; - static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A }; - u16 tmp = bcm43xx_radio_read16(bcm, 0x001E); - int i, j; - - for (i = 0; i < 5; i++) { - for (j = 0; j < 5; j++) { - if (tmp == (data_high[i] | data_low[j])) { - bcm43xx_phy_write(bcm, 0x0069, (i - j) << 8 | 0x00C0); - return; - } - } - } -} - -int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, - u8 channel, - int synthetic_pu_workaround) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 r8, tmp; - u16 freq; - - if (!ieee80211_is_valid_channel(bcm->ieee, channel)) - return -EINVAL; - if ((radio->manufact == 0x17F) && - (radio->version == 0x2060) && - (radio->revision == 1)) { - freq = channel2freq_a(channel); - - r8 = bcm43xx_radio_read16(bcm, 0x0008); - bcm43xx_write16(bcm, 0x03F0, freq); - bcm43xx_radio_write16(bcm, 0x0008, r8); - - TODO();//TODO: write max channel TX power? to Radio 0x2D - tmp = bcm43xx_radio_read16(bcm, 0x002E); - tmp &= 0x0080; - TODO();//TODO: OR tmp with the Power out estimation for this channel? - bcm43xx_radio_write16(bcm, 0x002E, tmp); - - if (freq >= 4920 && freq <= 5500) { - /* - * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F; - * = (freq * 0.025862069 - */ - r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */ - } - bcm43xx_radio_write16(bcm, 0x0007, (r8 << 4) | r8); - bcm43xx_radio_write16(bcm, 0x0020, (r8 << 4) | r8); - bcm43xx_radio_write16(bcm, 0x0021, (r8 << 4) | r8); - bcm43xx_radio_write16(bcm, 0x0022, - (bcm43xx_radio_read16(bcm, 0x0022) - & 0x000F) | (r8 << 4)); - bcm43xx_radio_write16(bcm, 0x002A, (r8 << 4)); - bcm43xx_radio_write16(bcm, 0x002B, (r8 << 4)); - bcm43xx_radio_write16(bcm, 0x0008, - (bcm43xx_radio_read16(bcm, 0x0008) - & 0x00F0) | (r8 << 4)); - bcm43xx_radio_write16(bcm, 0x0029, - (bcm43xx_radio_read16(bcm, 0x0029) - & 0xFF0F) | 0x00B0); - bcm43xx_radio_write16(bcm, 0x0035, 0x00AA); - bcm43xx_radio_write16(bcm, 0x0036, 0x0085); - bcm43xx_radio_write16(bcm, 0x003A, - (bcm43xx_radio_read16(bcm, 0x003A) - & 0xFF20) | freq_r3A_value(freq)); - bcm43xx_radio_write16(bcm, 0x003D, - bcm43xx_radio_read16(bcm, 0x003D) & 0x00FF); - bcm43xx_radio_write16(bcm, 0x0081, - (bcm43xx_radio_read16(bcm, 0x0081) - & 0xFF7F) | 0x0080); - bcm43xx_radio_write16(bcm, 0x0035, - bcm43xx_radio_read16(bcm, 0x0035) & 0xFFEF); - bcm43xx_radio_write16(bcm, 0x0035, - (bcm43xx_radio_read16(bcm, 0x0035) - & 0xFFEF) | 0x0010); - bcm43xx_radio_set_tx_iq(bcm); - TODO(); //TODO: TSSI2dbm workaround - bcm43xx_phy_xmitpower(bcm);//FIXME correct? - } else { - if (synthetic_pu_workaround) - bcm43xx_synth_pu_workaround(bcm, channel); - - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, - channel2freq_bg(channel)); - - if (channel == 14) { - if (bcm->sprom.locale == BCM43xx_LOCALE_JAPAN) { - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET) - & ~(1 << 7)); - } else { - bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET, - bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODEFLAGS_OFFSET) - | (1 << 7)); - } - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, - bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) - | (1 << 11)); - } else { - bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, - bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) - & 0xF7BF); - } - } - - radio->channel = channel; - //XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states - // that 2000 usecs might suffice. - udelay(8000); - - return 0; -} - -void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val) -{ - u16 tmp; - - val <<= 8; - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0022) & 0xFCFF; - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0022, tmp | val); - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x03A8) & 0xFCFF; - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x03A8, tmp | val); - tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0054) & 0xFCFF; - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0054, tmp | val); -} - -/* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ -static u16 bcm43xx_get_txgain_base_band(u16 txpower) -{ - u16 ret; - - assert(txpower <= 63); - - if (txpower >= 54) - ret = 2; - else if (txpower >= 49) - ret = 4; - else if (txpower >= 44) - ret = 5; - else - ret = 6; - - return ret; -} - -/* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ -static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower) -{ - u16 ret; - - assert(txpower <= 63); - - if (txpower >= 32) - ret = 0; - else if (txpower >= 25) - ret = 1; - else if (txpower >= 20) - ret = 2; - else if (txpower >= 12) - ret = 3; - else - ret = 4; - - return ret; -} - -/* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ -static u16 bcm43xx_get_txgain_dac(u16 txpower) -{ - u16 ret; - - assert(txpower <= 63); - - if (txpower >= 54) - ret = txpower - 53; - else if (txpower >= 49) - ret = txpower - 42; - else if (txpower >= 44) - ret = txpower - 37; - else if (txpower >= 32) - ret = txpower - 32; - else if (txpower >= 25) - ret = txpower - 20; - else if (txpower >= 20) - ret = txpower - 13; - else if (txpower >= 12) - ret = txpower - 8; - else - ret = txpower; - - return ret; -} - -void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 pamp, base, dac, ilt; - - txpower = limit_value(txpower, 0, 63); - - pamp = bcm43xx_get_txgain_freq_power_amp(txpower); - pamp <<= 5; - pamp &= 0x00E0; - bcm43xx_phy_write(bcm, 0x0019, pamp); - - base = bcm43xx_get_txgain_base_band(txpower); - base &= 0x000F; - bcm43xx_phy_write(bcm, 0x0017, base | 0x0020); - - ilt = bcm43xx_ilt_read(bcm, 0x3001); - ilt &= 0x0007; - - dac = bcm43xx_get_txgain_dac(txpower); - dac <<= 3; - dac |= ilt; - - bcm43xx_ilt_write(bcm, 0x3001, dac); - - radio->txpwr_offset = txpower; - - TODO(); - //TODO: FuncPlaceholder (Adjust BB loft cancel) -} - -void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm, - u16 baseband_attenuation, u16 radio_attenuation, - u16 txpower) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - if (baseband_attenuation == 0xFFFF) - baseband_attenuation = radio->baseband_atten; - if (radio_attenuation == 0xFFFF) - radio_attenuation = radio->radio_atten; - if (txpower == 0xFFFF) - txpower = radio->txctl1; - radio->baseband_atten = baseband_attenuation; - radio->radio_atten = radio_attenuation; - radio->txctl1 = txpower; - - assert(/*baseband_attenuation >= 0 &&*/ baseband_attenuation <= 11); - if (radio->revision < 6) - assert(/*radio_attenuation >= 0 &&*/ radio_attenuation <= 9); - else - assert(/* radio_attenuation >= 0 &&*/ radio_attenuation <= 31); - assert(/*txpower >= 0 &&*/ txpower <= 7); - - bcm43xx_phy_set_baseband_attenuation(bcm, baseband_attenuation); - bcm43xx_radio_write16(bcm, 0x0043, radio_attenuation); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0064, radio_attenuation); - if (radio->version == 0x2050) { - bcm43xx_radio_write16(bcm, 0x0052, - (bcm43xx_radio_read16(bcm, 0x0052) & ~0x0070) - | ((txpower << 4) & 0x0070)); - } - //FIXME: The spec is very weird and unclear here. - if (phy->type == BCM43xx_PHYTYPE_G) - bcm43xx_phy_lo_adjust(bcm, 0); -} - -u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - - if (radio->version == 0x2050 && radio->revision < 6) - return 0; - return 2; -} - -u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - u16 att = 0xFFFF; - - if (phy->type == BCM43xx_PHYTYPE_A) - return 0x60; - - switch (radio->version) { - case 0x2053: - switch (radio->revision) { - case 1: - att = 6; - break; - } - break; - case 0x2050: - switch (radio->revision) { - case 0: - att = 5; - break; - case 1: - if (phy->type == BCM43xx_PHYTYPE_G) { - if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && - bcm->board_type == 0x421 && - bcm->board_revision >= 30) - att = 3; - else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && - bcm->board_type == 0x416) - att = 3; - else - att = 1; - } else { - if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && - bcm->board_type == 0x421 && - bcm->board_revision >= 30) - att = 7; - else - att = 6; - } - break; - case 2: - if (phy->type == BCM43xx_PHYTYPE_G) { - if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && - bcm->board_type == 0x421 && - bcm->board_revision >= 30) - att = 3; - else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && - bcm->board_type == 0x416) - att = 5; - else if (bcm->chip_id == 0x4320) - att = 4; - else - att = 3; - } else - att = 6; - break; - case 3: - att = 5; - break; - case 4: - case 5: - att = 1; - break; - case 6: - case 7: - att = 5; - break; - case 8: - att = 0x1A; - break; - case 9: - default: - att = 5; - } - } - if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && - bcm->board_type == 0x421) { - if (bcm->board_revision < 0x43) - att = 2; - else if (bcm->board_revision < 0x51) - att = 3; - } - if (att == 0xFFFF) - att = 5; - - return att; -} - -u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - - if (radio->version != 0x2050) - return 0; - if (radio->revision == 1) - return 3; - if (radio->revision < 6) - return 2; - if (radio->revision == 8) - return 1; - return 0; -} - -void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - int err; - - if (radio->enabled) - return; - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); - bcm43xx_radio_write16(bcm, 0x0005, 0x0008); - bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) & 0xFFF7); - bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) & 0xFFF7); - bcm43xx_radio_init2060(bcm); - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - bcm43xx_phy_write(bcm, 0x0015, 0x8000); - bcm43xx_phy_write(bcm, 0x0015, 0xCC00); - bcm43xx_phy_write(bcm, 0x0015, (phy->connected ? 0x00C0 : 0x0000)); - err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 1); - assert(err == 0); - break; - default: - assert(0); - } - radio->enabled = 1; - dprintk(KERN_INFO PFX "Radio turned on\n"); - bcm43xx_leds_update(bcm, 0); -} - -void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - - if (phy->type == BCM43xx_PHYTYPE_A) { - bcm43xx_radio_write16(bcm, 0x0004, 0x00FF); - bcm43xx_radio_write16(bcm, 0x0005, 0x00FB); - bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) | 0x0008); - bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) | 0x0008); - } - if (phy->type == BCM43xx_PHYTYPE_G && bcm->current_core->rev >= 5) { - bcm43xx_phy_write(bcm, 0x0811, bcm43xx_phy_read(bcm, 0x0811) | 0x008C); - bcm43xx_phy_write(bcm, 0x0812, bcm43xx_phy_read(bcm, 0x0812) & 0xFF73); - } else - bcm43xx_phy_write(bcm, 0x0015, 0xAA00); - radio->enabled = 0; - dprintk(KERN_INFO PFX "Radio initialized\n"); - bcm43xx_leds_update(bcm, 0); -} - -void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F); - break; - case BCM43xx_PHYTYPE_B: - case BCM43xx_PHYTYPE_G: - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F); - bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F); - break; - } -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.h b/drivers/net/wireless/bcm43xx/bcm43xx_radio.h deleted file mode 100644 index 77a98a53a2e2..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_radio.h +++ /dev/null @@ -1,115 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef BCM43xx_RADIO_H_ -#define BCM43xx_RADIO_H_ - -#include "bcm43xx.h" - - -#define BCM43xx_RADIO_DEFAULT_CHANNEL_A 36 -#define BCM43xx_RADIO_DEFAULT_CHANNEL_BG 6 - -/* Force antenna 0. */ -#define BCM43xx_RADIO_TXANTENNA_0 0 -/* Force antenna 1. */ -#define BCM43xx_RADIO_TXANTENNA_1 1 -/* Use the RX antenna, that was selected for the most recently - * received good PLCP header. - */ -#define BCM43xx_RADIO_TXANTENNA_LASTPLCP 3 -#define BCM43xx_RADIO_TXANTENNA_DEFAULT BCM43xx_RADIO_TXANTENNA_LASTPLCP - -#define BCM43xx_RADIO_INTERFMODE_NONE 0 -#define BCM43xx_RADIO_INTERFMODE_NONWLAN 1 -#define BCM43xx_RADIO_INTERFMODE_MANUALWLAN 2 -#define BCM43xx_RADIO_INTERFMODE_AUTOWLAN 3 - - -void bcm43xx_radio_lock(struct bcm43xx_private *bcm); -void bcm43xx_radio_unlock(struct bcm43xx_private *bcm); - -u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset); -void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val); - -u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm); -void bcm43xx_radio_init2060(struct bcm43xx_private *bcm); - -void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm); -void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm); - -static inline -int bcm43xx_is_hw_radio_enabled(struct bcm43xx_private *bcm) -{ - /* function to return state of hardware enable of radio - * returns 0 if radio disabled, 1 if radio enabled - */ - if (bcm->current_core->rev >= 3) - return ((bcm43xx_read32(bcm, BCM43xx_MMIO_RADIO_HWENABLED_HI) - & BCM43xx_MMIO_RADIO_HWENABLED_HI_MASK) - == 0) ? 1 : 0; - else - return ((bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_HWENABLED_LO) - & BCM43xx_MMIO_RADIO_HWENABLED_LO_MASK) - == 0) ? 0 : 1; -} - -int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, u8 channel, - int synthetic_pu_workaround); - -void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower); -void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm, - u16 baseband_attenuation, u16 attenuation, - u16 txpower); - -u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm); -u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm); -u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm); - -void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val); - -void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm); - -u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel); -u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm); - -int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, int mode); - -void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm); -void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm); -s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset); -void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val); -void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val); -void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm); - -void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm); -u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm); - -#endif /* BCM43xx_RADIO_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c deleted file mode 100644 index 8ab5f93d192a..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c +++ /dev/null @@ -1,471 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - SYSFS support routines - - Copyright (c) 2006 Michael Buesch <mbuesch@freenet.de> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx_sysfs.h" -#include "bcm43xx.h" -#include "bcm43xx_main.h" -#include "bcm43xx_radio.h" - -#include <linux/capability.h> - - -#define GENERIC_FILESIZE 64 - - -static int get_integer(const char *buf, size_t count) -{ - char tmp[10 + 1] = { 0 }; - int ret = -EINVAL; - - if (count == 0) - goto out; - count = min(count, (size_t)10); - memcpy(tmp, buf, count); - ret = simple_strtol(tmp, NULL, 10); -out: - return ret; -} - -static int get_boolean(const char *buf, size_t count) -{ - if (count != 0) { - if (buf[0] == '1') - return 1; - if (buf[0] == '0') - return 0; - if (count >= 4 && memcmp(buf, "true", 4) == 0) - return 1; - if (count >= 5 && memcmp(buf, "false", 5) == 0) - return 0; - if (count >= 3 && memcmp(buf, "yes", 3) == 0) - return 1; - if (count >= 2 && memcmp(buf, "no", 2) == 0) - return 0; - if (count >= 2 && memcmp(buf, "on", 2) == 0) - return 1; - if (count >= 3 && memcmp(buf, "off", 3) == 0) - return 0; - } - return -EINVAL; -} - -static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len) -{ - int i, pos = 0; - - for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { - pos += snprintf(buf + pos, buf_len - pos - 1, - "%04X", swab16(sprom[i]) & 0xFFFF); - } - pos += snprintf(buf + pos, buf_len - pos - 1, "\n"); - - return pos + 1; -} - -static int hex2sprom(u16 *sprom, const char *dump, size_t len) -{ - char tmp[5] = { 0 }; - int cnt = 0; - unsigned long parsed; - - if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2) - return -EINVAL; - - while (cnt < BCM43xx_SPROM_SIZE) { - memcpy(tmp, dump, 4); - dump += 4; - parsed = simple_strtoul(tmp, NULL, 16); - sprom[cnt++] = swab16((u16)parsed); - } - - return 0; -} - -static ssize_t bcm43xx_attr_sprom_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - u16 *sprom; - unsigned long flags; - int err; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - assert(BCM43xx_SPROM_SIZE * sizeof(u16) <= PAGE_SIZE); - sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), - GFP_KERNEL); - if (!sprom) - return -ENOMEM; - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - err = bcm43xx_sprom_read(bcm, sprom); - if (!err) - err = sprom2hex(sprom, buf, PAGE_SIZE); - mmiowb(); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - kfree(sprom); - - return err; -} - -static ssize_t bcm43xx_attr_sprom_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - u16 *sprom; - unsigned long flags; - int err; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), - GFP_KERNEL); - if (!sprom) - return -ENOMEM; - err = hex2sprom(sprom, buf, count); - if (err) - goto out_kfree; - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - spin_lock(&bcm->leds_lock); - err = bcm43xx_sprom_write(bcm, sprom); - mmiowb(); - spin_unlock(&bcm->leds_lock); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); -out_kfree: - kfree(sprom); - - return err ? err : count; - -} - -static DEVICE_ATTR(sprom, 0600, - bcm43xx_attr_sprom_show, - bcm43xx_attr_sprom_store); - -static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - ssize_t count = 0; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mutex_lock(&bcm->mutex); - - switch (bcm43xx_current_radio(bcm)->interfmode) { - case BCM43xx_RADIO_INTERFMODE_NONE: - count = snprintf(buf, PAGE_SIZE, "0 (No Interference Mitigation)\n"); - break; - case BCM43xx_RADIO_INTERFMODE_NONWLAN: - count = snprintf(buf, PAGE_SIZE, "1 (Non-WLAN Interference Mitigation)\n"); - break; - case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: - count = snprintf(buf, PAGE_SIZE, "2 (WLAN Interference Mitigation)\n"); - break; - default: - assert(0); - } - - mutex_unlock(&bcm->mutex); - - return count; - -} - -static ssize_t bcm43xx_attr_interfmode_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - unsigned long flags; - int err; - int mode; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mode = get_integer(buf, count); - switch (mode) { - case 0: - mode = BCM43xx_RADIO_INTERFMODE_NONE; - break; - case 1: - mode = BCM43xx_RADIO_INTERFMODE_NONWLAN; - break; - case 2: - mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; - break; - case 3: - mode = BCM43xx_RADIO_INTERFMODE_AUTOWLAN; - break; - default: - return -EINVAL; - } - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - - err = bcm43xx_radio_set_interference_mitigation(bcm, mode); - if (err) { - printk(KERN_ERR PFX "Interference Mitigation not " - "supported by device\n"); - } - mmiowb(); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return err ? err : count; -} - -static DEVICE_ATTR(interference, 0644, - bcm43xx_attr_interfmode_show, - bcm43xx_attr_interfmode_store); - -static ssize_t bcm43xx_attr_preamble_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - ssize_t count; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mutex_lock(&bcm->mutex); - - if (bcm->short_preamble) - count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n"); - else - count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n"); - - mutex_unlock(&bcm->mutex); - - return count; -} - -static ssize_t bcm43xx_attr_preamble_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - unsigned long flags; - int value; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - value = get_boolean(buf, count); - if (value < 0) - return value; - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - - bcm->short_preamble = !!value; - - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return count; -} - -static DEVICE_ATTR(shortpreamble, 0644, - bcm43xx_attr_preamble_show, - bcm43xx_attr_preamble_store); - -static ssize_t bcm43xx_attr_phymode_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - int phytype; - int err = -EINVAL; - - if (count < 1) - goto out; - switch (buf[0]) { - case 'a': case 'A': - phytype = BCM43xx_PHYTYPE_A; - break; - case 'b': case 'B': - phytype = BCM43xx_PHYTYPE_B; - break; - case 'g': case 'G': - phytype = BCM43xx_PHYTYPE_G; - break; - default: - goto out; - } - - bcm43xx_cancel_work(bcm); - mutex_lock(&(bcm)->mutex); - err = bcm43xx_select_wireless_core(bcm, phytype); - if (!err) - bcm43xx_periodic_tasks_setup(bcm); - mutex_unlock(&(bcm)->mutex); - if (err == -ESRCH) - err = -ENODEV; - -out: - return err ? err : count; -} - -static ssize_t bcm43xx_attr_phymode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct bcm43xx_private *bcm = dev_to_bcm(dev); - ssize_t count = 0; - - mutex_lock(&(bcm)->mutex); - switch (bcm43xx_current_phy(bcm)->type) { - case BCM43xx_PHYTYPE_A: - snprintf(buf, PAGE_SIZE, "A"); - break; - case BCM43xx_PHYTYPE_B: - snprintf(buf, PAGE_SIZE, "B"); - break; - case BCM43xx_PHYTYPE_G: - snprintf(buf, PAGE_SIZE, "G"); - break; - default: - assert(0); - } - mutex_unlock(&(bcm)->mutex); - - return count; -} - -static DEVICE_ATTR(phymode, 0644, - bcm43xx_attr_phymode_show, - bcm43xx_attr_phymode_store); - -static ssize_t bcm43xx_attr_microcode_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - unsigned long flags; - struct bcm43xx_private *bcm = dev_to_bcm(dev); - ssize_t count = 0; - u16 status; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - mutex_lock(&(bcm)->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - status = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, - BCM43xx_UCODE_STATUS); - - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&(bcm)->mutex); - switch (status) { - case 0x0000: - count = snprintf(buf, PAGE_SIZE, "0x%.4x (invalid)\n", - status); - break; - case 0x0001: - count = snprintf(buf, PAGE_SIZE, "0x%.4x (init)\n", - status); - break; - case 0x0002: - count = snprintf(buf, PAGE_SIZE, "0x%.4x (active)\n", - status); - break; - case 0x0003: - count = snprintf(buf, PAGE_SIZE, "0x%.4x (suspended)\n", - status); - break; - case 0x0004: - count = snprintf(buf, PAGE_SIZE, "0x%.4x (asleep)\n", - status); - break; - default: - count = snprintf(buf, PAGE_SIZE, "0x%.4x (unknown)\n", - status); - break; - } - - return count; -} - -static DEVICE_ATTR(microcodestatus, 0444, - bcm43xx_attr_microcode_show, - NULL); - -int bcm43xx_sysfs_register(struct bcm43xx_private *bcm) -{ - struct device *dev = &bcm->pci_dev->dev; - int err; - - assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - - err = device_create_file(dev, &dev_attr_sprom); - if (err) - goto out; - err = device_create_file(dev, &dev_attr_interference); - if (err) - goto err_remove_sprom; - err = device_create_file(dev, &dev_attr_shortpreamble); - if (err) - goto err_remove_interfmode; - err = device_create_file(dev, &dev_attr_phymode); - if (err) - goto err_remove_shortpreamble; - err = device_create_file(dev, &dev_attr_microcodestatus); - if (err) - goto err_remove_phymode; - -out: - return err; -err_remove_phymode: - device_remove_file(dev, &dev_attr_phymode); -err_remove_shortpreamble: - device_remove_file(dev, &dev_attr_shortpreamble); -err_remove_interfmode: - device_remove_file(dev, &dev_attr_interference); -err_remove_sprom: - device_remove_file(dev, &dev_attr_sprom); - goto out; -} - -void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm) -{ - struct device *dev = &bcm->pci_dev->dev; - - device_remove_file(dev, &dev_attr_microcodestatus); - device_remove_file(dev, &dev_attr_phymode); - device_remove_file(dev, &dev_attr_shortpreamble); - device_remove_file(dev, &dev_attr_interference); - device_remove_file(dev, &dev_attr_sprom); -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h deleted file mode 100644 index cc701df71e2a..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef BCM43xx_SYSFS_H_ -#define BCM43xx_SYSFS_H_ - -struct bcm43xx_private; - -int bcm43xx_sysfs_register(struct bcm43xx_private *bcm); -void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm); - -#endif /* BCM43xx_SYSFS_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c deleted file mode 100644 index 6acfdc49dccd..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c +++ /dev/null @@ -1,1035 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include <linux/wireless.h> -#include <net/iw_handler.h> -#include <net/ieee80211softmac.h> -#include <net/ieee80211softmac_wx.h> -#include <linux/capability.h> -#include <linux/delay.h> - -#include "bcm43xx.h" -#include "bcm43xx_wx.h" -#include "bcm43xx_main.h" -#include "bcm43xx_radio.h" -#include "bcm43xx_phy.h" - - -/* The WIRELESS_EXT version, which is implemented by this driver. */ -#define BCM43xx_WX_VERSION 18 - -#define MAX_WX_STRING 80 - -static int bcm43xx_wx_get_name(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int i; - struct bcm43xx_phyinfo *phy; - char suffix[7] = { 0 }; - int have_a = 0, have_b = 0, have_g = 0; - - mutex_lock(&bcm->mutex); - for (i = 0; i < bcm->nr_80211_available; i++) { - phy = &(bcm->core_80211_ext[i].phy); - switch (phy->type) { - case BCM43xx_PHYTYPE_A: - have_a = 1; - break; - case BCM43xx_PHYTYPE_G: - have_g = 1; - case BCM43xx_PHYTYPE_B: - have_b = 1; - break; - default: - assert(0); - } - } - mutex_unlock(&bcm->mutex); - - i = 0; - if (have_a) { - suffix[i++] = 'a'; - suffix[i++] = '/'; - } - if (have_b) { - suffix[i++] = 'b'; - suffix[i++] = '/'; - } - if (have_g) { - suffix[i++] = 'g'; - suffix[i++] = '/'; - } - if (i != 0) - suffix[i - 1] = '\0'; - - snprintf(data->name, IFNAMSIZ, "IEEE 802.11%s", suffix); - - return 0; -} - -static int bcm43xx_wx_set_channelfreq(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - u8 channel; - s8 expon; - int freq; - int err = -EINVAL; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - - if ((data->freq.e == 0) && - (data->freq.m >= 0) && (data->freq.m <= 1000)) { - channel = data->freq.m; - freq = bcm43xx_channel_to_freq(bcm, channel); - } else { - freq = data->freq.m; - expon = 6 - data->freq.e; - while (--expon >= 0) /* scale down the frequency to MHz */ - freq /= 10; - assert(freq > 1000); - channel = bcm43xx_freq_to_channel(bcm, freq); - } - if (!ieee80211_is_valid_channel(bcm->ieee, channel)) - goto out_unlock; - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - //ieee80211softmac_disassoc(softmac, $REASON); - bcm43xx_mac_suspend(bcm); - err = bcm43xx_radio_selectchannel(bcm, channel, 0); - bcm43xx_mac_enable(bcm); - } else { - bcm43xx_current_radio(bcm)->initial_channel = channel; - err = 0; - } -out_unlock: - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_get_channelfreq(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct bcm43xx_radioinfo *radio; - int err = -ENODEV; - u16 channel; - - mutex_lock(&bcm->mutex); - radio = bcm43xx_current_radio(bcm); - channel = radio->channel; - if (channel == 0xFF) { - channel = radio->initial_channel; - if (channel == 0xFF) - goto out_unlock; - } - assert(channel > 0 && channel <= 1000); - data->freq.e = 1; - data->freq.m = bcm43xx_channel_to_freq(bcm, channel) * 100000; - data->freq.flags = 1; - - err = 0; -out_unlock: - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_set_mode(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - int mode; - - mode = data->mode; - if (mode == IW_MODE_AUTO) - mode = BCM43xx_INITIAL_IWMODE; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - if (bcm->ieee->iw_mode != mode) - bcm43xx_set_iwmode(bcm, mode); - } else - bcm->ieee->iw_mode = mode; - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_get_mode(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - - mutex_lock(&bcm->mutex); - data->mode = bcm->ieee->iw_mode; - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_get_rangeparams(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct iw_range *range = (struct iw_range *)extra; - const struct ieee80211_geo *geo; - int i, j; - struct bcm43xx_phyinfo *phy; - - data->data.length = sizeof(*range); - memset(range, 0, sizeof(*range)); - - //TODO: What about 802.11b? - /* 54Mb/s == ~27Mb/s payload throughput (802.11g) */ - range->throughput = 27 * 1000 * 1000; - - range->max_qual.qual = 100; - range->max_qual.level = 146; /* set floor at -110 dBm (146 - 256) */ - range->max_qual.noise = 146; - range->max_qual.updated = IW_QUAL_ALL_UPDATED; - - range->avg_qual.qual = 50; - range->avg_qual.level = 0; - range->avg_qual.noise = 0; - range->avg_qual.updated = IW_QUAL_ALL_UPDATED; - - range->min_rts = BCM43xx_MIN_RTS_THRESHOLD; - range->max_rts = BCM43xx_MAX_RTS_THRESHOLD; - range->min_frag = MIN_FRAG_THRESHOLD; - range->max_frag = MAX_FRAG_THRESHOLD; - - range->encoding_size[0] = 5; - range->encoding_size[1] = 13; - range->num_encoding_sizes = 2; - range->max_encoding_tokens = WEP_KEYS; - - range->we_version_compiled = WIRELESS_EXT; - range->we_version_source = BCM43xx_WX_VERSION; - - range->enc_capa = IW_ENC_CAPA_WPA | - IW_ENC_CAPA_WPA2 | - IW_ENC_CAPA_CIPHER_TKIP | - IW_ENC_CAPA_CIPHER_CCMP; - - mutex_lock(&bcm->mutex); - phy = bcm43xx_current_phy(bcm); - - range->num_bitrates = 0; - i = 0; - if (phy->type == BCM43xx_PHYTYPE_A || - phy->type == BCM43xx_PHYTYPE_G) { - range->num_bitrates = 8; - range->bitrate[i++] = IEEE80211_OFDM_RATE_6MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_9MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_12MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_18MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_24MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_36MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_48MB * 500000; - range->bitrate[i++] = IEEE80211_OFDM_RATE_54MB * 500000; - } - if (phy->type == BCM43xx_PHYTYPE_B || - phy->type == BCM43xx_PHYTYPE_G) { - range->num_bitrates += 4; - range->bitrate[i++] = IEEE80211_CCK_RATE_1MB * 500000; - range->bitrate[i++] = IEEE80211_CCK_RATE_2MB * 500000; - range->bitrate[i++] = IEEE80211_CCK_RATE_5MB * 500000; - range->bitrate[i++] = IEEE80211_CCK_RATE_11MB * 500000; - } - - geo = ieee80211_get_geo(bcm->ieee); - range->num_channels = geo->a_channels + geo->bg_channels; - j = 0; - for (i = 0; i < geo->a_channels; i++) { - if (j == IW_MAX_FREQUENCIES) - break; - range->freq[j].i = j + 1; - range->freq[j].m = geo->a[i].freq * 100000; - range->freq[j].e = 1; - j++; - } - for (i = 0; i < geo->bg_channels; i++) { - if (j == IW_MAX_FREQUENCIES) - break; - range->freq[j].i = j + 1; - range->freq[j].m = geo->bg[i].freq * 100000; - range->freq[j].e = 1; - j++; - } - range->num_frequency = j; - - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_set_nick(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - size_t len; - - mutex_lock(&bcm->mutex); - len = min((size_t)data->data.length, (size_t)IW_ESSID_MAX_SIZE); - memcpy(bcm->nick, extra, len); - bcm->nick[len] = '\0'; - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_get_nick(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - size_t len; - - mutex_lock(&bcm->mutex); - len = strlen(bcm->nick); - memcpy(extra, bcm->nick, len); - data->data.length = (__u16)len; - data->data.flags = 1; - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_set_rts(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - int err = -EINVAL; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (data->rts.disabled) { - bcm->rts_threshold = BCM43xx_MAX_RTS_THRESHOLD; - err = 0; - } else { - if (data->rts.value >= BCM43xx_MIN_RTS_THRESHOLD && - data->rts.value <= BCM43xx_MAX_RTS_THRESHOLD) { - bcm->rts_threshold = data->rts.value; - err = 0; - } - } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_get_rts(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - - mutex_lock(&bcm->mutex); - data->rts.value = bcm->rts_threshold; - data->rts.fixed = 0; - data->rts.disabled = (bcm->rts_threshold == BCM43xx_MAX_RTS_THRESHOLD); - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_set_frag(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - int err = -EINVAL; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (data->frag.disabled) { - bcm->ieee->fts = MAX_FRAG_THRESHOLD; - err = 0; - } else { - if (data->frag.value >= MIN_FRAG_THRESHOLD && - data->frag.value <= MAX_FRAG_THRESHOLD) { - bcm->ieee->fts = data->frag.value & ~0x1; - err = 0; - } - } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_get_frag(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - - mutex_lock(&bcm->mutex); - data->frag.value = bcm->ieee->fts; - data->frag.fixed = 0; - data->frag.disabled = (bcm->ieee->fts == MAX_FRAG_THRESHOLD); - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_set_xmitpower(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct bcm43xx_radioinfo *radio; - struct bcm43xx_phyinfo *phy; - unsigned long flags; - int err = -ENODEV; - u16 maxpower; - - if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) { - printk(KERN_ERR PFX "TX power not in dBm.\n"); - return -EOPNOTSUPP; - } - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) - goto out_unlock; - radio = bcm43xx_current_radio(bcm); - phy = bcm43xx_current_phy(bcm); - if (data->txpower.disabled != (!(radio->enabled))) { - if (data->txpower.disabled) - bcm43xx_radio_turn_off(bcm); - else - bcm43xx_radio_turn_on(bcm); - } - if (data->txpower.value > 0) { - /* desired and maxpower dBm values are in Q5.2 */ - if (phy->type == BCM43xx_PHYTYPE_A) - maxpower = bcm->sprom.maxpower_aphy; - else - maxpower = bcm->sprom.maxpower_bgphy; - radio->txpower_desired = limit_value(data->txpower.value << 2, - 0, maxpower); - bcm43xx_phy_xmitpower(bcm); - } - err = 0; - -out_unlock: - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_get_xmitpower(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct bcm43xx_radioinfo *radio; - int err = -ENODEV; - - mutex_lock(&bcm->mutex); - if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) - goto out_unlock; - radio = bcm43xx_current_radio(bcm); - /* desired dBm value is in Q5.2 */ - data->txpower.value = radio->txpower_desired >> 2; - data->txpower.fixed = 1; - data->txpower.flags = IW_TXPOW_DBM; - data->txpower.disabled = !(radio->enabled); - - err = 0; -out_unlock: - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_set_encoding(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - err = ieee80211_wx_set_encode(bcm->ieee, info, data, extra); - - return err; -} - -static int bcm43xx_wx_set_encodingext(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - err = ieee80211_wx_set_encodeext(bcm->ieee, info, data, extra); - - return err; -} - -static int bcm43xx_wx_get_encoding(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - err = ieee80211_wx_get_encode(bcm->ieee, info, data, extra); - - return err; -} - -static int bcm43xx_wx_get_encodingext(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err; - - err = ieee80211_wx_get_encodeext(bcm->ieee, info, data, extra); - - return err; -} - -static int bcm43xx_wx_set_interfmode(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - int mode, err = 0; - - mode = *((int *)extra); - switch (mode) { - case 0: - mode = BCM43xx_RADIO_INTERFMODE_NONE; - break; - case 1: - mode = BCM43xx_RADIO_INTERFMODE_NONWLAN; - break; - case 2: - mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN; - break; - case 3: - mode = BCM43xx_RADIO_INTERFMODE_AUTOWLAN; - break; - default: - printk(KERN_ERR PFX "set_interfmode allowed parameters are: " - "0 => None, 1 => Non-WLAN, 2 => WLAN, " - "3 => Auto-WLAN\n"); - return -EINVAL; - } - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { - err = bcm43xx_radio_set_interference_mitigation(bcm, mode); - if (err) { - printk(KERN_ERR PFX "Interference Mitigation not " - "supported by device\n"); - } - } else { - if (mode == BCM43xx_RADIO_INTERFMODE_AUTOWLAN) { - printk(KERN_ERR PFX "Interference Mitigation mode Auto-WLAN " - "not supported while the interface is down.\n"); - err = -ENODEV; - } else - bcm43xx_current_radio(bcm)->interfmode = mode; - } - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return err; -} - -static int bcm43xx_wx_get_interfmode(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int mode; - - mutex_lock(&bcm->mutex); - mode = bcm43xx_current_radio(bcm)->interfmode; - mutex_unlock(&bcm->mutex); - - switch (mode) { - case BCM43xx_RADIO_INTERFMODE_NONE: - strncpy(extra, "0 (No Interference Mitigation)", MAX_WX_STRING); - break; - case BCM43xx_RADIO_INTERFMODE_NONWLAN: - strncpy(extra, "1 (Non-WLAN Interference Mitigation)", MAX_WX_STRING); - break; - case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: - strncpy(extra, "2 (WLAN Interference Mitigation)", MAX_WX_STRING); - break; - default: - assert(0); - } - data->data.length = strlen(extra) + 1; - - return 0; -} - -static int bcm43xx_wx_set_shortpreamble(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - int on; - - on = *((int *)extra); - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - bcm->short_preamble = !!on; - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_get_shortpreamble(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int on; - - mutex_lock(&bcm->mutex); - on = bcm->short_preamble; - mutex_unlock(&bcm->mutex); - - if (on) - strncpy(extra, "1 (Short Preamble enabled)", MAX_WX_STRING); - else - strncpy(extra, "0 (Short Preamble disabled)", MAX_WX_STRING); - data->data.length = strlen(extra) + 1; - - return 0; -} - -static int bcm43xx_wx_set_swencryption(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - unsigned long flags; - int on; - - on = *((int *)extra); - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - bcm->ieee->host_encrypt = !!on; - bcm->ieee->host_decrypt = !!on; - bcm->ieee->host_build_iv = !on; - bcm->ieee->host_strip_iv_icv = !on; - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - - return 0; -} - -static int bcm43xx_wx_get_swencryption(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int on; - - mutex_lock(&bcm->mutex); - on = bcm->ieee->host_encrypt; - mutex_unlock(&bcm->mutex); - - if (on) - strncpy(extra, "1 (SW encryption enabled) ", MAX_WX_STRING); - else - strncpy(extra, "0 (SW encryption disabled) ", MAX_WX_STRING); - data->data.length = strlen(extra + 1); - - return 0; -} - -/* Enough buffer to hold a hexdump of the sprom data. */ -#define SPROM_BUFFERSIZE 512 - -static int sprom2hex(const u16 *sprom, char *dump) -{ - int i, pos = 0; - - for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { - pos += snprintf(dump + pos, SPROM_BUFFERSIZE - pos - 1, - "%04X", swab16(sprom[i]) & 0xFFFF); - } - - return pos + 1; -} - -static int hex2sprom(u16 *sprom, const char *dump, unsigned int len) -{ - char tmp[5] = { 0 }; - int cnt = 0; - unsigned long parsed; - - if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2) - return -EINVAL; - while (cnt < BCM43xx_SPROM_SIZE) { - memcpy(tmp, dump, 4); - dump += 4; - parsed = simple_strtoul(tmp, NULL, 16); - sprom[cnt++] = swab16((u16)parsed); - } - - return 0; -} - -static int bcm43xx_wx_sprom_read(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err = -EPERM; - u16 *sprom; - unsigned long flags; - - if (!capable(CAP_SYS_RAWIO)) - goto out; - - err = -ENOMEM; - sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), - GFP_KERNEL); - if (!sprom) - goto out; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - err = -ENODEV; - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) - err = bcm43xx_sprom_read(bcm, sprom); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); - if (!err) - data->data.length = sprom2hex(sprom, extra); - kfree(sprom); -out: - return err; -} - -static int bcm43xx_wx_sprom_write(struct net_device *net_dev, - struct iw_request_info *info, - union iwreq_data *data, - char *extra) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - int err = -EPERM; - u16 *sprom; - unsigned long flags; - char *input; - unsigned int len; - - if (!capable(CAP_SYS_RAWIO)) - goto out; - - err = -ENOMEM; - sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom), - GFP_KERNEL); - if (!sprom) - goto out; - - len = data->data.length; - extra[len - 1] = '\0'; - input = strchr(extra, ':'); - if (input) { - input++; - len -= input - extra; - } else - input = extra; - err = hex2sprom(sprom, input, len); - if (err) - goto out_kfree; - - mutex_lock(&bcm->mutex); - spin_lock_irqsave(&bcm->irq_lock, flags); - spin_lock(&bcm->leds_lock); - err = -ENODEV; - if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) - err = bcm43xx_sprom_write(bcm, sprom); - spin_unlock(&bcm->leds_lock); - spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_unlock(&bcm->mutex); -out_kfree: - kfree(sprom); -out: - return err; -} - -/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */ - -static struct iw_statistics *bcm43xx_get_wireless_stats(struct net_device *net_dev) -{ - struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); - struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); - struct iw_statistics *wstats; - struct ieee80211_network *network = NULL; - static int tmp_level = 0; - static int tmp_qual = 0; - unsigned long flags; - - wstats = &bcm->stats.wstats; - if (!mac->associnfo.associated) { - wstats->miss.beacon = 0; -// bcm->ieee->ieee_stats.tx_retry_limit_exceeded = 0; // FIXME: should this be cleared here? - wstats->discard.retries = 0; -// bcm->ieee->ieee_stats.tx_discards_wrong_sa = 0; // FIXME: same question - wstats->discard.nwid = 0; -// bcm->ieee->ieee_stats.rx_discards_undecryptable = 0; // FIXME: ditto - wstats->discard.code = 0; -// bcm->ieee->ieee_stats.rx_fragments = 0; // FIXME: same here - wstats->discard.fragment = 0; - wstats->discard.misc = 0; - wstats->qual.qual = 0; - wstats->qual.level = 0; - wstats->qual.noise = 0; - wstats->qual.updated = 7; - wstats->qual.updated |= IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; - return wstats; - } - /* fill in the real statistics when iface associated */ - spin_lock_irqsave(&mac->ieee->lock, flags); - list_for_each_entry(network, &mac->ieee->network_list, list) { - if (!memcmp(mac->associnfo.bssid, network->bssid, ETH_ALEN)) { - if (!tmp_level) { /* get initial values */ - tmp_level = network->stats.signal; - tmp_qual = network->stats.rssi; - } else { /* smooth results */ - tmp_level = (15 * tmp_level + network->stats.signal)/16; - tmp_qual = (15 * tmp_qual + network->stats.rssi)/16; - } - break; - } - } - spin_unlock_irqrestore(&mac->ieee->lock, flags); - wstats->qual.level = tmp_level; - wstats->qual.qual = 100 * tmp_qual / RX_RSSI_MAX; - wstats->qual.noise = bcm->stats.noise; - wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; - wstats->discard.code = bcm->ieee->ieee_stats.rx_discards_undecryptable; - wstats->discard.retries = bcm->ieee->ieee_stats.tx_retry_limit_exceeded; - wstats->discard.nwid = bcm->ieee->ieee_stats.tx_discards_wrong_sa; - wstats->discard.fragment = bcm->ieee->ieee_stats.rx_fragments; - wstats->discard.misc = 0; // FIXME - wstats->miss.beacon = 0; // FIXME - return wstats; -} - - -#ifdef WX -# undef WX -#endif -#define WX(ioctl) [(ioctl) - SIOCSIWCOMMIT] -static const iw_handler bcm43xx_wx_handlers[] = { - /* Wireless Identification */ - WX(SIOCGIWNAME) = bcm43xx_wx_get_name, - /* Basic operations */ - WX(SIOCSIWFREQ) = bcm43xx_wx_set_channelfreq, - WX(SIOCGIWFREQ) = bcm43xx_wx_get_channelfreq, - WX(SIOCSIWMODE) = bcm43xx_wx_set_mode, - WX(SIOCGIWMODE) = bcm43xx_wx_get_mode, - /* Informative stuff */ - WX(SIOCGIWRANGE) = bcm43xx_wx_get_rangeparams, - /* Access Point manipulation */ - WX(SIOCSIWAP) = ieee80211softmac_wx_set_wap, - WX(SIOCGIWAP) = ieee80211softmac_wx_get_wap, - WX(SIOCSIWSCAN) = ieee80211softmac_wx_trigger_scan, - WX(SIOCGIWSCAN) = ieee80211softmac_wx_get_scan_results, - /* 802.11 specific support */ - WX(SIOCSIWESSID) = ieee80211softmac_wx_set_essid, - WX(SIOCGIWESSID) = ieee80211softmac_wx_get_essid, - WX(SIOCSIWNICKN) = bcm43xx_wx_set_nick, - WX(SIOCGIWNICKN) = bcm43xx_wx_get_nick, - /* Other parameters */ - WX(SIOCSIWRATE) = ieee80211softmac_wx_set_rate, - WX(SIOCGIWRATE) = ieee80211softmac_wx_get_rate, - WX(SIOCSIWRTS) = bcm43xx_wx_set_rts, - WX(SIOCGIWRTS) = bcm43xx_wx_get_rts, - WX(SIOCSIWFRAG) = bcm43xx_wx_set_frag, - WX(SIOCGIWFRAG) = bcm43xx_wx_get_frag, - WX(SIOCSIWTXPOW) = bcm43xx_wx_set_xmitpower, - WX(SIOCGIWTXPOW) = bcm43xx_wx_get_xmitpower, -//TODO WX(SIOCSIWRETRY) = bcm43xx_wx_set_retry, -//TODO WX(SIOCGIWRETRY) = bcm43xx_wx_get_retry, - /* Encoding */ - WX(SIOCSIWENCODE) = bcm43xx_wx_set_encoding, - WX(SIOCGIWENCODE) = bcm43xx_wx_get_encoding, - WX(SIOCSIWENCODEEXT) = bcm43xx_wx_set_encodingext, - WX(SIOCGIWENCODEEXT) = bcm43xx_wx_get_encodingext, - /* Power saving */ -//TODO WX(SIOCSIWPOWER) = bcm43xx_wx_set_power, -//TODO WX(SIOCGIWPOWER) = bcm43xx_wx_get_power, - WX(SIOCSIWGENIE) = ieee80211softmac_wx_set_genie, - WX(SIOCGIWGENIE) = ieee80211softmac_wx_get_genie, - WX(SIOCSIWAUTH) = ieee80211_wx_set_auth, - WX(SIOCGIWAUTH) = ieee80211_wx_get_auth, -}; -#undef WX - -static const iw_handler bcm43xx_priv_wx_handlers[] = { - /* Set Interference Mitigation Mode. */ - bcm43xx_wx_set_interfmode, - /* Get Interference Mitigation Mode. */ - bcm43xx_wx_get_interfmode, - /* Enable/Disable Short Preamble mode. */ - bcm43xx_wx_set_shortpreamble, - /* Get Short Preamble mode. */ - bcm43xx_wx_get_shortpreamble, - /* Enable/Disable Software Encryption mode */ - bcm43xx_wx_set_swencryption, - /* Get Software Encryption mode */ - bcm43xx_wx_get_swencryption, - /* Write SRPROM data. */ - bcm43xx_wx_sprom_write, - /* Read SPROM data. */ - bcm43xx_wx_sprom_read, -}; - -#define PRIV_WX_SET_INTERFMODE (SIOCIWFIRSTPRIV + 0) -#define PRIV_WX_GET_INTERFMODE (SIOCIWFIRSTPRIV + 1) -#define PRIV_WX_SET_SHORTPREAMBLE (SIOCIWFIRSTPRIV + 2) -#define PRIV_WX_GET_SHORTPREAMBLE (SIOCIWFIRSTPRIV + 3) -#define PRIV_WX_SET_SWENCRYPTION (SIOCIWFIRSTPRIV + 4) -#define PRIV_WX_GET_SWENCRYPTION (SIOCIWFIRSTPRIV + 5) -#define PRIV_WX_SPROM_WRITE (SIOCIWFIRSTPRIV + 6) -#define PRIV_WX_SPROM_READ (SIOCIWFIRSTPRIV + 7) - -#define PRIV_WX_DUMMY(ioctl) \ - { \ - .cmd = (ioctl), \ - .name = "__unused" \ - } - -static const struct iw_priv_args bcm43xx_priv_wx_args[] = { - { - .cmd = PRIV_WX_SET_INTERFMODE, - .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - .name = "set_interfmode", - }, - { - .cmd = PRIV_WX_GET_INTERFMODE, - .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, - .name = "get_interfmode", - }, - { - .cmd = PRIV_WX_SET_SHORTPREAMBLE, - .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - .name = "set_shortpreamb", - }, - { - .cmd = PRIV_WX_GET_SHORTPREAMBLE, - .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, - .name = "get_shortpreamb", - }, - { - .cmd = PRIV_WX_SET_SWENCRYPTION, - .set_args = IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, - .name = "set_swencrypt", - }, - { - .cmd = PRIV_WX_GET_SWENCRYPTION, - .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | MAX_WX_STRING, - .name = "get_swencrypt", - }, - { - .cmd = PRIV_WX_SPROM_WRITE, - .set_args = IW_PRIV_TYPE_CHAR | SPROM_BUFFERSIZE, - .name = "write_sprom", - }, - { - .cmd = PRIV_WX_SPROM_READ, - .get_args = IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | SPROM_BUFFERSIZE, - .name = "read_sprom", - }, -}; - -const struct iw_handler_def bcm43xx_wx_handlers_def = { - .standard = bcm43xx_wx_handlers, - .num_standard = ARRAY_SIZE(bcm43xx_wx_handlers), - .num_private = ARRAY_SIZE(bcm43xx_priv_wx_handlers), - .num_private_args = ARRAY_SIZE(bcm43xx_priv_wx_args), - .private = bcm43xx_priv_wx_handlers, - .private_args = bcm43xx_priv_wx_args, - .get_wireless_stats = bcm43xx_get_wireless_stats, -}; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.h b/drivers/net/wireless/bcm43xx/bcm43xx_wx.h deleted file mode 100644 index 1f29ff3aa4c3..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - Some parts of the code in this file are derived from the ipw2200 - driver Copyright(c) 2003 - 2004 Intel Corporation. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#ifndef BCM43xx_WX_H_ -#define BCM43xx_WX_H_ - -extern const struct iw_handler_def bcm43xx_wx_handlers_def; - -#endif /* BCM43xx_WX_H_ */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c deleted file mode 100644 index f79fe11f9e81..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c +++ /dev/null @@ -1,565 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Transmission (TX/RX) related functions. - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Stefano Brivio <st3@riseup.net> - Michael Buesch <mbuesch@freenet.de> - Danny van Dyk <kugelfang@gentoo.org> - Andreas Jaggi <andreas.jaggi@waterwave.ch> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. - -*/ - -#include "bcm43xx_xmit.h" - -#include <linux/etherdevice.h> - - -/* Extract the bitrate out of a CCK PLCP header. */ -static u8 bcm43xx_plcp_get_bitrate_cck(struct bcm43xx_plcp_hdr4 *plcp) -{ - switch (plcp->raw[0]) { - case 0x0A: - return IEEE80211_CCK_RATE_1MB; - case 0x14: - return IEEE80211_CCK_RATE_2MB; - case 0x37: - return IEEE80211_CCK_RATE_5MB; - case 0x6E: - return IEEE80211_CCK_RATE_11MB; - } - assert(0); - return 0; -} - -/* Extract the bitrate out of an OFDM PLCP header. */ -static u8 bcm43xx_plcp_get_bitrate_ofdm(struct bcm43xx_plcp_hdr4 *plcp) -{ - switch (plcp->raw[0] & 0xF) { - case 0xB: - return IEEE80211_OFDM_RATE_6MB; - case 0xF: - return IEEE80211_OFDM_RATE_9MB; - case 0xA: - return IEEE80211_OFDM_RATE_12MB; - case 0xE: - return IEEE80211_OFDM_RATE_18MB; - case 0x9: - return IEEE80211_OFDM_RATE_24MB; - case 0xD: - return IEEE80211_OFDM_RATE_36MB; - case 0x8: - return IEEE80211_OFDM_RATE_48MB; - case 0xC: - return IEEE80211_OFDM_RATE_54MB; - } - assert(0); - return 0; -} - -u8 bcm43xx_plcp_get_ratecode_cck(const u8 bitrate) -{ - switch (bitrate) { - case IEEE80211_CCK_RATE_1MB: - return 0x0A; - case IEEE80211_CCK_RATE_2MB: - return 0x14; - case IEEE80211_CCK_RATE_5MB: - return 0x37; - case IEEE80211_CCK_RATE_11MB: - return 0x6E; - } - assert(0); - return 0; -} - -u8 bcm43xx_plcp_get_ratecode_ofdm(const u8 bitrate) -{ - switch (bitrate) { - case IEEE80211_OFDM_RATE_6MB: - return 0xB; - case IEEE80211_OFDM_RATE_9MB: - return 0xF; - case IEEE80211_OFDM_RATE_12MB: - return 0xA; - case IEEE80211_OFDM_RATE_18MB: - return 0xE; - case IEEE80211_OFDM_RATE_24MB: - return 0x9; - case IEEE80211_OFDM_RATE_36MB: - return 0xD; - case IEEE80211_OFDM_RATE_48MB: - return 0x8; - case IEEE80211_OFDM_RATE_54MB: - return 0xC; - } - assert(0); - return 0; -} - -static void bcm43xx_generate_plcp_hdr(struct bcm43xx_plcp_hdr4 *plcp, - const u16 octets, const u8 bitrate, - const int ofdm_modulation) -{ - __le32 *data = &(plcp->data); - __u8 *raw = plcp->raw; - - if (ofdm_modulation) { - u32 val = bcm43xx_plcp_get_ratecode_ofdm(bitrate); - assert(!(octets & 0xF000)); - val |= (octets << 5); - *data = cpu_to_le32(val); - } else { - u32 plen; - - plen = octets * 16 / bitrate; - if ((octets * 16 % bitrate) > 0) { - plen++; - if ((bitrate == IEEE80211_CCK_RATE_11MB) - && ((octets * 8 % 11) < 4)) { - raw[1] = 0x84; - } else - raw[1] = 0x04; - } else - raw[1] = 0x04; - *data |= cpu_to_le32(plen << 16); - raw[0] = bcm43xx_plcp_get_ratecode_cck(bitrate); - } -} - -static u8 bcm43xx_calc_fallback_rate(u8 bitrate) -{ - switch (bitrate) { - case IEEE80211_CCK_RATE_1MB: - return IEEE80211_CCK_RATE_1MB; - case IEEE80211_CCK_RATE_2MB: - return IEEE80211_CCK_RATE_1MB; - case IEEE80211_CCK_RATE_5MB: - return IEEE80211_CCK_RATE_2MB; - case IEEE80211_CCK_RATE_11MB: - return IEEE80211_CCK_RATE_5MB; - case IEEE80211_OFDM_RATE_6MB: - return IEEE80211_CCK_RATE_5MB; - case IEEE80211_OFDM_RATE_9MB: - return IEEE80211_OFDM_RATE_6MB; - case IEEE80211_OFDM_RATE_12MB: - return IEEE80211_OFDM_RATE_9MB; - case IEEE80211_OFDM_RATE_18MB: - return IEEE80211_OFDM_RATE_12MB; - case IEEE80211_OFDM_RATE_24MB: - return IEEE80211_OFDM_RATE_18MB; - case IEEE80211_OFDM_RATE_36MB: - return IEEE80211_OFDM_RATE_24MB; - case IEEE80211_OFDM_RATE_48MB: - return IEEE80211_OFDM_RATE_36MB; - case IEEE80211_OFDM_RATE_54MB: - return IEEE80211_OFDM_RATE_48MB; - } - assert(0); - return 0; -} - -static -__le16 bcm43xx_calc_duration_id(const struct ieee80211_hdr *wireless_header, - u8 bitrate) -{ - const u16 frame_ctl = le16_to_cpu(wireless_header->frame_ctl); - __le16 duration_id = wireless_header->duration_id; - - switch (WLAN_FC_GET_TYPE(frame_ctl)) { - case IEEE80211_FTYPE_DATA: - case IEEE80211_FTYPE_MGMT: - //TODO: Steal the code from ieee80211, once it is completed there. - break; - case IEEE80211_FTYPE_CTL: - /* Use the original duration/id. */ - break; - default: - assert(0); - } - - return duration_id; -} - -static inline -u16 ceiling_div(u16 dividend, u16 divisor) -{ - return ((dividend + divisor - 1) / divisor); -} - -static void bcm43xx_generate_rts(const struct bcm43xx_phyinfo *phy, - struct bcm43xx_txhdr *txhdr, - u16 *flags, - u8 bitrate, - const struct ieee80211_hdr_4addr *wlhdr) -{ - u16 fctl; - u16 dur; - u8 fallback_bitrate; - int ofdm_modulation; - int fallback_ofdm_modulation; -// u8 *sa, *da; - u16 flen; - -//FIXME sa = ieee80211_get_SA((struct ieee80211_hdr *)wlhdr); -//FIXME da = ieee80211_get_DA((struct ieee80211_hdr *)wlhdr); - fallback_bitrate = bcm43xx_calc_fallback_rate(bitrate); - ofdm_modulation = !(ieee80211_is_cck_rate(bitrate)); - fallback_ofdm_modulation = !(ieee80211_is_cck_rate(fallback_bitrate)); - - flen = sizeof(u16) + sizeof(u16) + ETH_ALEN + ETH_ALEN + IEEE80211_FCS_LEN, - bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->rts_cts_plcp), - flen, bitrate, - !ieee80211_is_cck_rate(bitrate)); - bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->rts_cts_fallback_plcp), - flen, fallback_bitrate, - !ieee80211_is_cck_rate(fallback_bitrate)); - fctl = IEEE80211_FTYPE_CTL; - fctl |= IEEE80211_STYPE_RTS; - dur = le16_to_cpu(wlhdr->duration_id); -/*FIXME: should we test for dur==0 here and let it unmodified in this case? - * The following assert checks for this case... - */ -assert(dur); -/*FIXME: The duration calculation is not really correct. - * I am not 100% sure which bitrate to use. We use the RTS rate here, - * but this is likely to be wrong. - */ - if (phy->type == BCM43xx_PHYTYPE_A) { - /* Three times SIFS */ - dur += 16 * 3; - /* Add ACK duration. */ - dur += ceiling_div((16 + 8 * (14 /*bytes*/) + 6) * 10, - bitrate * 4); - /* Add CTS duration. */ - dur += ceiling_div((16 + 8 * (14 /*bytes*/) + 6) * 10, - bitrate * 4); - } else { - /* Three times SIFS */ - dur += 10 * 3; - /* Add ACK duration. */ - dur += ceiling_div(8 * (14 /*bytes*/) * 10, - bitrate); - /* Add CTS duration. */ - dur += ceiling_div(8 * (14 /*bytes*/) * 10, - bitrate); - } - - txhdr->rts_cts_frame_control = cpu_to_le16(fctl); - txhdr->rts_cts_dur = cpu_to_le16(dur); -//printk(BCM43xx_MACFMT " " BCM43xx_MACFMT " " BCM43xx_MACFMT "\n", BCM43xx_MACARG(wlhdr->addr1), BCM43xx_MACARG(wlhdr->addr2), BCM43xx_MACARG(wlhdr->addr3)); -//printk(BCM43xx_MACFMT " " BCM43xx_MACFMT "\n", BCM43xx_MACARG(sa), BCM43xx_MACARG(da)); - memcpy(txhdr->rts_cts_mac1, wlhdr->addr1, ETH_ALEN);//FIXME! -// memcpy(txhdr->rts_cts_mac2, sa, ETH_ALEN); - - *flags |= BCM43xx_TXHDRFLAG_RTSCTS; - *flags |= BCM43xx_TXHDRFLAG_RTS; - if (ofdm_modulation) - *flags |= BCM43xx_TXHDRFLAG_RTSCTS_OFDM; - if (fallback_ofdm_modulation) - *flags |= BCM43xx_TXHDRFLAG_RTSCTSFALLBACK_OFDM; -} - -void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm, - struct bcm43xx_txhdr *txhdr, - const unsigned char *fragment_data, - const unsigned int fragment_len, - const int is_first_fragment, - const u16 cookie) -{ - const struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - const struct ieee80211_hdr_4addr *wireless_header = (const struct ieee80211_hdr_4addr *)fragment_data; - const struct ieee80211_security *secinfo = &bcm->ieee->sec; - u8 bitrate; - u8 fallback_bitrate; - int ofdm_modulation; - int fallback_ofdm_modulation; - u16 plcp_fragment_len = fragment_len; - u16 flags = 0; - u16 control = 0; - u16 wsec_rate = 0; - u16 encrypt_frame; - const u16 ftype = WLAN_FC_GET_TYPE(le16_to_cpu(wireless_header->frame_ctl)); - const int is_mgt = (ftype == IEEE80211_FTYPE_MGMT); - - /* Now construct the TX header. */ - memset(txhdr, 0, sizeof(*txhdr)); - - bitrate = ieee80211softmac_suggest_txrate(bcm->softmac, - is_multicast_ether_addr(wireless_header->addr1), is_mgt); - ofdm_modulation = !(ieee80211_is_cck_rate(bitrate)); - fallback_bitrate = bcm43xx_calc_fallback_rate(bitrate); - fallback_ofdm_modulation = !(ieee80211_is_cck_rate(fallback_bitrate)); - - /* Set Frame Control from 80211 header. */ - txhdr->frame_control = wireless_header->frame_ctl; - /* Copy address1 from 80211 header. */ - memcpy(txhdr->mac1, wireless_header->addr1, 6); - /* Set the fallback duration ID. */ - txhdr->fallback_dur_id = bcm43xx_calc_duration_id((const struct ieee80211_hdr *)wireless_header, - fallback_bitrate); - /* Set the cookie (used as driver internal ID for the frame) */ - txhdr->cookie = cpu_to_le16(cookie); - - /* Hardware appends FCS. */ - plcp_fragment_len += IEEE80211_FCS_LEN; - - /* Hardware encryption. */ - encrypt_frame = le16_to_cpup(&wireless_header->frame_ctl) & IEEE80211_FCTL_PROTECTED; - if (encrypt_frame && !bcm->ieee->host_encrypt) { - const struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *)wireless_header; - memcpy(txhdr->wep_iv, hdr->payload, 4); - /* Hardware appends ICV. */ - plcp_fragment_len += 4; - - wsec_rate |= (bcm->key[secinfo->active_key].algorithm << BCM43xx_TXHDR_WSEC_ALGO_SHIFT) - & BCM43xx_TXHDR_WSEC_ALGO_MASK; - wsec_rate |= (secinfo->active_key << BCM43xx_TXHDR_WSEC_KEYINDEX_SHIFT) - & BCM43xx_TXHDR_WSEC_KEYINDEX_MASK; - } - - /* Generate the PLCP header and the fallback PLCP header. */ - bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->plcp), - plcp_fragment_len, - bitrate, ofdm_modulation); - bcm43xx_generate_plcp_hdr(&txhdr->fallback_plcp, plcp_fragment_len, - fallback_bitrate, fallback_ofdm_modulation); - - /* Set the CONTROL field */ - if (ofdm_modulation) - control |= BCM43xx_TXHDRCTL_OFDM; - if (bcm->short_preamble) //FIXME: could be the other way around, please test - control |= BCM43xx_TXHDRCTL_SHORT_PREAMBLE; - control |= (phy->antenna_diversity << BCM43xx_TXHDRCTL_ANTENNADIV_SHIFT) - & BCM43xx_TXHDRCTL_ANTENNADIV_MASK; - - /* Set the FLAGS field */ - if (!is_multicast_ether_addr(wireless_header->addr1) && - !is_broadcast_ether_addr(wireless_header->addr1)) - flags |= BCM43xx_TXHDRFLAG_EXPECTACK; - if (1 /* FIXME: PS poll?? */) - flags |= 0x10; // FIXME: unknown meaning. - if (fallback_ofdm_modulation) - flags |= BCM43xx_TXHDRFLAG_FALLBACKOFDM; - if (is_first_fragment) - flags |= BCM43xx_TXHDRFLAG_FIRSTFRAGMENT; - - /* Set WSEC/RATE field */ - wsec_rate |= (txhdr->plcp.raw[0] << BCM43xx_TXHDR_RATE_SHIFT) - & BCM43xx_TXHDR_RATE_MASK; - - /* Generate the RTS/CTS packet, if required. */ - /* FIXME: We should first try with CTS-to-self, - * if we are on 80211g. If we get too many - * failures (hidden nodes), we should switch back to RTS/CTS. - */ - if (0/*FIXME txctl->use_rts_cts*/) { - bcm43xx_generate_rts(phy, txhdr, &flags, - 0/*FIXME txctl->rts_cts_rate*/, - wireless_header); - } - - txhdr->flags = cpu_to_le16(flags); - txhdr->control = cpu_to_le16(control); - txhdr->wsec_rate = cpu_to_le16(wsec_rate); -} - -static s8 bcm43xx_rssi_postprocess(struct bcm43xx_private *bcm, - u8 in_rssi, int ofdm, - int adjust_2053, int adjust_2050) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - s32 tmp; - - switch (radio->version) { - case 0x2050: - if (ofdm) { - tmp = in_rssi; - if (tmp > 127) - tmp -= 256; - tmp *= 73; - tmp /= 64; - if (adjust_2050) - tmp += 25; - else - tmp -= 3; - } else { - if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { - if (in_rssi > 63) - in_rssi = 63; - tmp = radio->nrssi_lt[in_rssi]; - tmp = 31 - tmp; - tmp *= -131; - tmp /= 128; - tmp -= 57; - } else { - tmp = in_rssi; - tmp = 31 - tmp; - tmp *= -149; - tmp /= 128; - tmp -= 68; - } - if (phy->type == BCM43xx_PHYTYPE_G && - adjust_2050) - tmp += 25; - } - break; - case 0x2060: - if (in_rssi > 127) - tmp = in_rssi - 256; - else - tmp = in_rssi; - break; - default: - tmp = in_rssi; - tmp -= 11; - tmp *= 103; - tmp /= 64; - if (adjust_2053) - tmp -= 109; - else - tmp -= 83; - } - - return (s8)tmp; -} - -//TODO -#if 0 -static s8 bcm43xx_rssinoise_postprocess(struct bcm43xx_private *bcm, - u8 in_rssi) -{ - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - s8 ret; - - if (phy->type == BCM43xx_PHYTYPE_A) { - //TODO: Incomplete specs. - ret = 0; - } else - ret = bcm43xx_rssi_postprocess(bcm, in_rssi, 0, 1, 1); - - return ret; -} -#endif - -int bcm43xx_rx(struct bcm43xx_private *bcm, - struct sk_buff *skb, - struct bcm43xx_rxhdr *rxhdr) -{ - struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); - struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); - struct bcm43xx_plcp_hdr4 *plcp; - struct ieee80211_rx_stats stats; - struct ieee80211_hdr_4addr *wlhdr; - u16 frame_ctl; - int is_packet_for_us = 0; - int err = -EINVAL; - const u16 rxflags1 = le16_to_cpu(rxhdr->flags1); - const u16 rxflags2 = le16_to_cpu(rxhdr->flags2); - const u16 rxflags3 = le16_to_cpu(rxhdr->flags3); - const int is_ofdm = !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_OFDM); - - if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME) { - plcp = (struct bcm43xx_plcp_hdr4 *)(skb->data + 2); - /* Skip two unknown bytes and the PLCP header. */ - skb_pull(skb, 2 + sizeof(struct bcm43xx_plcp_hdr6)); - } else { - plcp = (struct bcm43xx_plcp_hdr4 *)(skb->data); - /* Skip the PLCP header. */ - skb_pull(skb, sizeof(struct bcm43xx_plcp_hdr6)); - } - /* The SKB contains the PAYLOAD (wireless header + data) - * at this point. The FCS at the end is stripped. - */ - - memset(&stats, 0, sizeof(stats)); - stats.mac_time = le16_to_cpu(rxhdr->mactime); - stats.rssi = rxhdr->rssi; - stats.signal = bcm43xx_rssi_postprocess(bcm, rxhdr->rssi, is_ofdm, - !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_2053RSSIADJ), - !!(rxflags3 & BCM43xx_RXHDR_FLAGS3_2050RSSIADJ)); - stats.noise = bcm->stats.noise; - if (is_ofdm) - stats.rate = bcm43xx_plcp_get_bitrate_ofdm(plcp); - else - stats.rate = bcm43xx_plcp_get_bitrate_cck(plcp); - stats.received_channel = radio->channel; - stats.mask = IEEE80211_STATMASK_SIGNAL | - IEEE80211_STATMASK_NOISE | - IEEE80211_STATMASK_RATE | - IEEE80211_STATMASK_RSSI; - if (phy->type == BCM43xx_PHYTYPE_A) - stats.freq = IEEE80211_52GHZ_BAND; - else - stats.freq = IEEE80211_24GHZ_BAND; - stats.len = skb->len; - - bcm->stats.last_rx = jiffies; - if (bcm->ieee->iw_mode == IW_MODE_MONITOR) { - err = ieee80211_rx(bcm->ieee, skb, &stats); - return (err == 0) ? -EINVAL : 0; - } - - wlhdr = (struct ieee80211_hdr_4addr *)(skb->data); - - switch (bcm->ieee->iw_mode) { - case IW_MODE_ADHOC: - if (memcmp(wlhdr->addr1, bcm->net_dev->dev_addr, ETH_ALEN) == 0 || - memcmp(wlhdr->addr3, bcm->ieee->bssid, ETH_ALEN) == 0 || - is_broadcast_ether_addr(wlhdr->addr1) || - is_multicast_ether_addr(wlhdr->addr1) || - bcm->net_dev->flags & IFF_PROMISC) - is_packet_for_us = 1; - break; - case IW_MODE_INFRA: - default: - /* When receiving multicast or broadcast packets, filter out - the packets we send ourself; we shouldn't see those */ - if (memcmp(wlhdr->addr3, bcm->ieee->bssid, ETH_ALEN) == 0 || - memcmp(wlhdr->addr1, bcm->net_dev->dev_addr, ETH_ALEN) == 0 || - (memcmp(wlhdr->addr3, bcm->net_dev->dev_addr, ETH_ALEN) && - (is_broadcast_ether_addr(wlhdr->addr1) || - is_multicast_ether_addr(wlhdr->addr1) || - bcm->net_dev->flags & IFF_PROMISC))) - is_packet_for_us = 1; - break; - } - - frame_ctl = le16_to_cpu(wlhdr->frame_ctl); - switch (WLAN_FC_GET_TYPE(frame_ctl)) { - case IEEE80211_FTYPE_MGMT: - ieee80211_rx_mgt(bcm->ieee, wlhdr, &stats); - break; - case IEEE80211_FTYPE_DATA: - if (is_packet_for_us) { - err = ieee80211_rx(bcm->ieee, skb, &stats); - err = (err == 0) ? -EINVAL : 0; - } - break; - case IEEE80211_FTYPE_CTL: - break; - default: - assert(0); - return -EINVAL; - } - - return err; -} diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.h b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.h deleted file mode 100644 index 47c135a7f4dc..000000000000 --- a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.h +++ /dev/null @@ -1,150 +0,0 @@ -#ifndef BCM43xx_XMIT_H_ -#define BCM43xx_XMIT_H_ - -#include "bcm43xx_main.h" - - -#define _bcm43xx_declare_plcp_hdr(size) \ - struct bcm43xx_plcp_hdr##size { \ - union { \ - __le32 data; \ - __u8 raw[size]; \ - } __attribute__((__packed__)); \ - } __attribute__((__packed__)) - -/* struct bcm43xx_plcp_hdr4 */ -_bcm43xx_declare_plcp_hdr(4); -/* struct bcm43xx_plcp_hdr6 */ -_bcm43xx_declare_plcp_hdr(6); - -#undef _bcm43xx_declare_plcp_hdr - -/* Device specific TX header. To be prepended to TX frames. */ -struct bcm43xx_txhdr { - union { - struct { - __le16 flags; - __le16 wsec_rate; - __le16 frame_control; - u16 unknown_zeroed_0; - __le16 control; - u8 wep_iv[10]; - u8 unknown_wsec_tkip_data[3]; //FIXME - PAD_BYTES(3); - u8 mac1[6]; - u16 unknown_zeroed_1; - struct bcm43xx_plcp_hdr4 rts_cts_fallback_plcp; - __le16 rts_cts_dur_fallback; - struct bcm43xx_plcp_hdr4 fallback_plcp; - __le16 fallback_dur_id; - PAD_BYTES(2); - __le16 cookie; - __le16 unknown_scb_stuff; //FIXME - struct bcm43xx_plcp_hdr6 rts_cts_plcp; - __le16 rts_cts_frame_control; - __le16 rts_cts_dur; - u8 rts_cts_mac1[6]; - u8 rts_cts_mac2[6]; - PAD_BYTES(2); - struct bcm43xx_plcp_hdr6 plcp; - } __attribute__((__packed__)); - u8 raw[82]; - } __attribute__((__packed__)); -} __attribute__((__packed__)); - -/* Values/Masks for the device TX header */ -#define BCM43xx_TXHDRFLAG_EXPECTACK 0x0001 -#define BCM43xx_TXHDRFLAG_RTSCTS 0x0002 -#define BCM43xx_TXHDRFLAG_RTS 0x0004 -#define BCM43xx_TXHDRFLAG_FIRSTFRAGMENT 0x0008 -#define BCM43xx_TXHDRFLAG_DESTPSMODE 0x0020 -#define BCM43xx_TXHDRFLAG_RTSCTS_OFDM 0x0080 -#define BCM43xx_TXHDRFLAG_FALLBACKOFDM 0x0100 -#define BCM43xx_TXHDRFLAG_RTSCTSFALLBACK_OFDM 0x0200 -#define BCM43xx_TXHDRFLAG_CTS 0x0400 -#define BCM43xx_TXHDRFLAG_FRAMEBURST 0x0800 - -#define BCM43xx_TXHDRCTL_OFDM 0x0001 -#define BCM43xx_TXHDRCTL_SHORT_PREAMBLE 0x0010 -#define BCM43xx_TXHDRCTL_ANTENNADIV_MASK 0x0030 -#define BCM43xx_TXHDRCTL_ANTENNADIV_SHIFT 8 - -#define BCM43xx_TXHDR_RATE_MASK 0x0F00 -#define BCM43xx_TXHDR_RATE_SHIFT 8 -#define BCM43xx_TXHDR_RTSRATE_MASK 0xF000 -#define BCM43xx_TXHDR_RTSRATE_SHIFT 12 -#define BCM43xx_TXHDR_WSEC_KEYINDEX_MASK 0x00F0 -#define BCM43xx_TXHDR_WSEC_KEYINDEX_SHIFT 4 -#define BCM43xx_TXHDR_WSEC_ALGO_MASK 0x0003 -#define BCM43xx_TXHDR_WSEC_ALGO_SHIFT 0 - -void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm, - struct bcm43xx_txhdr *txhdr, - const unsigned char *fragment_data, - const unsigned int fragment_len, - const int is_first_fragment, - const u16 cookie); - -/* RX header as received from the hardware. */ -struct bcm43xx_rxhdr { - /* Frame Length. Must be generated explicitly in PIO mode. */ - __le16 frame_length; - PAD_BYTES(2); - /* Flags field 1 */ - __le16 flags1; - u8 rssi; - u8 signal_quality; - PAD_BYTES(2); - /* Flags field 3 */ - __le16 flags3; - /* Flags field 2 */ - __le16 flags2; - /* Lower 16bits of the TSF at the time the frame started. */ - __le16 mactime; - PAD_BYTES(14); -} __attribute__((__packed__)); - -#define BCM43xx_RXHDR_FLAGS1_OFDM (1 << 0) -/*#define BCM43xx_RXHDR_FLAGS1_SIGNAL??? (1 << 3) FIXME */ -#define BCM43xx_RXHDR_FLAGS1_SHORTPREAMBLE (1 << 7) -#define BCM43xx_RXHDR_FLAGS1_2053RSSIADJ (1 << 14) - -#define BCM43xx_RXHDR_FLAGS2_INVALIDFRAME (1 << 0) -#define BCM43xx_RXHDR_FLAGS2_TYPE2FRAME (1 << 2) -/*FIXME: WEP related flags */ - -#define BCM43xx_RXHDR_FLAGS3_2050RSSIADJ (1 << 10) - -/* Transmit Status as received from the hardware. */ -struct bcm43xx_hwxmitstatus { - PAD_BYTES(4); - __le16 cookie; - u8 flags; - u8 cnt1:4, - cnt2:4; - PAD_BYTES(2); - __le16 seq; - __le16 unknown; //FIXME -} __attribute__((__packed__)); - -/* Transmit Status in CPU byteorder. */ -struct bcm43xx_xmitstatus { - u16 cookie; - u8 flags; - u8 cnt1:4, - cnt2:4; - u16 seq; - u16 unknown; //FIXME -}; - -#define BCM43xx_TXSTAT_FLAG_AMPDU 0x10 -#define BCM43xx_TXSTAT_FLAG_INTER 0x20 - -u8 bcm43xx_plcp_get_ratecode_cck(const u8 bitrate); -u8 bcm43xx_plcp_get_ratecode_ofdm(const u8 bitrate); - -int bcm43xx_rx(struct bcm43xx_private *bcm, - struct sk_buff *skb, - struct bcm43xx_rxhdr *rxhdr); - -#endif /* BCM43xx_XMIT_H_ */ |