diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx.h')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx.h | 926 |
1 files changed, 926 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h new file mode 100644 index 000000000000..dcadd295de4f --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -0,0 +1,926 @@ +#ifndef BCM43xx_H_ +#define BCM43xx_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" +#include "bcm43xx_sysfs.h" + + +#define PFX KBUILD_MODNAME ": " + +#define BCM43xx_SWITCH_CORE_MAX_RETRIES 50 +#define BCM43xx_IRQWAIT_MAX_RETRIES 50 + +#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_DMA1_REASON 0x20 +#define BCM43xx_MMIO_DMA1_IRQ_MASK 0x24 +#define BCM43xx_MMIO_DMA2_REASON 0x28 +#define BCM43xx_MMIO_DMA2_IRQ_MASK 0x2C +#define BCM43xx_MMIO_DMA3_REASON 0x30 +#define BCM43xx_MMIO_DMA3_IRQ_MASK 0x34 +#define BCM43xx_MMIO_DMA4_REASON 0x38 +#define BCM43xx_MMIO_DMA4_IRQ_MASK 0x3C +#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 */ +#define BCM43xx_MMIO_DMA1_BASE 0x200 +#define BCM43xx_MMIO_DMA2_BASE 0x220 +#define BCM43xx_MMIO_DMA3_BASE 0x240 +#define BCM43xx_MMIO_DMA4_BASE 0x260 +#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_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_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 + +/* 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 + +/* 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 + +/* sbtmstatehigh state flags */ +#define BCM43xx_SBTMSTATEHIGH_SERROR 0x1 +#define BCM43xx_SBTMSTATEHIGH_BUSY 0x4 + +/* 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_80000000 0x80000000 /*FIXME: fix name*/ + +/* 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 + +/* 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 + +/* 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 { + u16 offset; + u16 size; + u32 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 et0mdcport:1; + u8 et1mdcport:1; + 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 version; + 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; +}; + + +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 *rx_ring0; + struct bcm43xx_dmaring *rx_ring1; /* 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 + +#ifdef CONFIG_BCM947XX +#define core_offset(bcm) (bcm)->current_core_offset +#else +#define core_offset(bcm) 0 +#endif + +/* Generic information about a core. */ +struct bcm43xx_coreinfo { + u8 available:1, + enabled:1, + initialized:1; + /** core_id ID number */ + u16 id; + /** core_rev revision number */ + u8 rev; + /** Index number for _switch_core() */ + u8 index; +}; + +/* 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 link_quality; + 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; +}; + +struct bcm43xx_private { + struct bcm43xx_sysfs sysfs; + + 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; + unsigned int mmio_len; + + /* Do not use the lock directly. Use the bcm43xx_lock* helper + * functions, to be MMIO-safe. */ + spinlock_t _lock; + + /* Driver status flags. */ + u32 initialized:1, /* init_board() succeed */ + was_initialized:1, /* for PCI suspend/resume. */ + shutting_down:1, /* free_board() in progress */ + __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. */ + powersaving:1, /* TRUE if we are in PowerSaving mode. FALSE otherwise. */ + short_preamble:1, /* TRUE, if short preamble is enabled. */ + firmware_norelease:1; /* Do not release the firmware. Used on suspend. */ + + struct bcm43xx_stats stats; + + /* Bus type we are connected to. + * This is currently always BCM43xx_BUSTYPE_PCI + */ + u8 bustype; + + 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]; + + /* The currently active core. */ + struct bcm43xx_coreinfo *current_core; +#ifdef CONFIG_BCM947XX + /** current core memory offset */ + u32 current_core_offset; +#endif + 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 ]; + /* Index of the current 80211 core. If current_core is not + * an 80211 core, this is -1. + */ + int current_80211_core_idx; + /* Number of available 80211 cores. */ + int nr_80211_available; + + u32 chipcommon_capabilities; + + /* Reason code of the last interrupt. */ + u32 irq_reason; + u32 dma_reason[4]; + /* saved irq enable/disable state bitfield. */ + u32 irq_savedstate; + /* Link Quality calculation context. */ + struct bcm43xx_noise_calculation noisecalc; + + /* 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 timer_list periodic_tasks; + 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; + + /* Firmware. */ + const struct firmware *ucode; + const struct firmware *pcm; + const struct firmware *initvals0; + const struct firmware *initvals1; + + /* Debugging stuff follows. */ +#ifdef CONFIG_BCM43XX_DEBUG + struct bcm43xx_dfsentry *dfsentry; +#endif +}; + +/* bcm43xx_(un)lock() protect struct bcm43xx_private. + * Note that _NO_ MMIO writes are allowed. If you want to + * write to the device through MMIO in the critical section, use + * the *_mmio lock functions. + * MMIO read-access is allowed, though. + */ +#define bcm43xx_lock(bcm, flags) spin_lock_irqsave(&(bcm)->_lock, flags) +#define bcm43xx_unlock(bcm, flags) spin_unlock_irqrestore(&(bcm)->_lock, flags) +/* bcm43xx_(un)lock_mmio() protect struct bcm43xx_private and MMIO. + * MMIO write-access to the device is allowed. + * All MMIO writes are flushed on unlock, so it is guaranteed to not + * interfere with other threads writing MMIO registers. + */ +#define bcm43xx_lock_mmio(bcm, flags) bcm43xx_lock(bcm, flags) +#define bcm43xx_unlock_mmio(bcm, flags) do { mmiowb(); bcm43xx_unlock(bcm, flags); } while (0) + +static inline +struct bcm43xx_private * bcm43xx_priv(struct net_device *dev) +{ + return ieee80211softmac_priv(dev); +} + + +/* 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_pio * bcm43xx_current_pio(struct bcm43xx_private *bcm) +{ + assert(bcm43xx_using_pio(bcm)); + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].pio); +} +static inline +struct bcm43xx_dma * bcm43xx_current_dma(struct bcm43xx_private *bcm) +{ + assert(!bcm43xx_using_pio(bcm)); + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].dma); +} +static inline +struct bcm43xx_phyinfo * bcm43xx_current_phy(struct bcm43xx_private *bcm) +{ + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].phy); +} +static inline +struct bcm43xx_radioinfo * bcm43xx_current_radio(struct bcm43xx_private *bcm) +{ + assert(bcm->current_80211_core_idx >= 0); + assert(bcm->current_80211_core_idx < BCM43xx_MAX_80211_CORES); + return &(bcm->core_80211_ext[bcm->current_80211_core_idx].radio); +} + +/* Are we running in init_board() context? */ +static inline +int bcm43xx_is_initializing(struct bcm43xx_private *bcm) +{ + if (bcm->initialized) + return 0; + if (bcm->shutting_down) + return 0; + return 1; +} + +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 + core_offset(bcm) + offset); +} + +static inline +void bcm43xx_write16(struct bcm43xx_private *bcm, u16 offset, u16 value) +{ + iowrite16(value, bcm->mmio_addr + core_offset(bcm) + offset); +} + +static inline +u32 bcm43xx_read32(struct bcm43xx_private *bcm, u16 offset) +{ + return ioread32(bcm->mmio_addr + core_offset(bcm) + offset); +} + +static inline +void bcm43xx_write32(struct bcm43xx_private *bcm, u16 offset, u32 value) +{ + iowrite32(value, bcm->mmio_addr + core_offset(bcm) + 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; \ + }) + +/** Helpers to print MAC addresses. */ +#define BCM43xx_MACFMT "%02x:%02x:%02x:%02x:%02x:%02x" +#define BCM43xx_MACARG(x) ((u8*)(x))[0], ((u8*)(x))[1], \ + ((u8*)(x))[2], ((u8*)(x))[3], \ + ((u8*)(x))[4], ((u8*)(x))[5] + +#endif /* BCM43xx_H_ */ |