diff options
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/Kconfig | 26 | ||||
| -rw-r--r-- | drivers/pcmcia/Makefile | 3 | ||||
| -rw-r--r-- | drivers/pcmcia/bfin_cf_pcmcia.c | 316 | ||||
| -rw-r--r-- | drivers/pcmcia/cs.c | 10 | ||||
| -rw-r--r-- | drivers/pcmcia/cs_internal.h | 1 | ||||
| -rw-r--r-- | drivers/pcmcia/m32r_cfc.c | 786 | ||||
| -rw-r--r-- | drivers/pcmcia/m32r_cfc.h | 88 | ||||
| -rw-r--r-- | drivers/pcmcia/m32r_pcc.c | 763 | ||||
| -rw-r--r-- | drivers/pcmcia/m32r_pcc.h | 66 |
9 files changed, 8 insertions, 2051 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index d3c378b4db6c..cbbe4a285b48 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -232,25 +232,6 @@ config PCMCIA_PROBE bool default y if ISA && !ARCH_SA1100 && !PARISC -config M32R_PCC - bool "M32R PCMCIA I/F" - depends on M32R && CHIP_M32700 && PCMCIA - help - Say Y here to use the M32R PCMCIA controller. - -config M32R_CFC - bool "M32R CF I/F Controller" - depends on M32R && (PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT) - help - Say Y here to use the M32R CompactFlash controller. - -config M32R_CFC_NUM - int "M32R CF I/F number" - depends on M32R_CFC - default "1" if PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT - help - Set the number of M32R CF slots. - config PCMCIA_VRC4171 tristate "NEC VRC4171 Card Controllers support" depends on CPU_VR41XX && ISA && PCMCIA @@ -266,13 +247,6 @@ config OMAP_CF Say Y here to support the CompactFlash controller on OMAP. Note that this doesn't support "True IDE" mode. -config BFIN_CFPCMCIA - tristate "Blackfin CompactFlash PCMCIA Driver" - depends on PCMCIA && BLACKFIN - help - Say Y here to support the CompactFlash PCMCIA driver for Blackfin. - - config AT91_CF tristate "AT91 CompactFlash Controller" depends on PCI diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 7f501d38a7a2..28502bd159e0 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -28,13 +28,10 @@ obj-$(CONFIG_PCMCIA_SOC_COMMON) += soc_common.o obj-$(CONFIG_PCMCIA_SA11XX_BASE) += sa11xx_base.o obj-$(CONFIG_PCMCIA_SA1100) += sa1100_cs.o obj-$(CONFIG_PCMCIA_SA1111) += sa1111_cs.o -obj-$(CONFIG_M32R_PCC) += m32r_pcc.o -obj-$(CONFIG_M32R_CFC) += m32r_cfc.o obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o obj-$(CONFIG_OMAP_CF) += omap_cf.o -obj-$(CONFIG_BFIN_CFPCMCIA) += bfin_cf_pcmcia.o obj-$(CONFIG_AT91_CF) += at91_cf.o obj-$(CONFIG_ELECTRA_CF) += electra_cf.o obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD) += db1xxx_ss.o diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c deleted file mode 100644 index 00a296d431ba..000000000000 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ /dev/null @@ -1,316 +0,0 @@ -/* - * file: drivers/pcmcia/bfin_cf.c - * - * based on: drivers/pcmcia/omap_cf.c - * omap_cf.c -- OMAP 16xx CompactFlash controller driver - * - * Copyright (c) 2005 David Brownell - * Copyright (c) 2006-2008 Michael Hennerich Analog Devices Inc. - * - * bugs: enter bugs at http://blackfin.uclinux.org/ - * - * 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, 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, - * 59 temple place - suite 330, boston, ma 02111-1307, usa. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/platform_device.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <pcmcia/ss.h> -#include <pcmcia/cisreg.h> - -#define SZ_1K 0x00000400 -#define SZ_8K 0x00002000 -#define SZ_2K (2 * SZ_1K) - -#define POLL_INTERVAL (2 * HZ) - -#define CF_ATASEL_ENA 0x20311802 /* Inverts RESET */ -#define CF_ATASEL_DIS 0x20311800 - -#define bfin_cf_present(pfx) (gpio_get_value(pfx)) - -/*--------------------------------------------------------------------------*/ - -static const char driver_name[] = "bfin_cf_pcmcia"; - -struct bfin_cf_socket { - struct pcmcia_socket socket; - - struct timer_list timer; - unsigned present:1; - unsigned active:1; - - struct platform_device *pdev; - unsigned long phys_cf_io; - unsigned long phys_cf_attr; - u_int irq; - u_short cd_pfx; -}; - -/*--------------------------------------------------------------------------*/ -static int bfin_cf_reset(void) -{ - outw(0, CF_ATASEL_ENA); - mdelay(200); - outw(0, CF_ATASEL_DIS); - - return 0; -} - -static int bfin_cf_ss_init(struct pcmcia_socket *s) -{ - return 0; -} - -/* the timer is primarily to kick this socket's pccardd */ -static void bfin_cf_timer(struct timer_list *t) -{ - struct bfin_cf_socket *cf = from_timer(cf, t, timer); - unsigned short present = bfin_cf_present(cf->cd_pfx); - - if (present != cf->present) { - cf->present = present; - dev_dbg(&cf->pdev->dev, ": card %s\n", - present ? "present" : "gone"); - pcmcia_parse_events(&cf->socket, SS_DETECT); - } - - if (cf->active) - mod_timer(&cf->timer, jiffies + POLL_INTERVAL); -} - -static int bfin_cf_get_status(struct pcmcia_socket *s, u_int *sp) -{ - struct bfin_cf_socket *cf; - - if (!sp) - return -EINVAL; - - cf = container_of(s, struct bfin_cf_socket, socket); - - if (bfin_cf_present(cf->cd_pfx)) { - *sp = SS_READY | SS_DETECT | SS_POWERON | SS_3VCARD; - s->pcmcia_irq = 0; - s->pci_irq = cf->irq; - - } else - *sp = 0; - return 0; -} - -static int -bfin_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s) -{ - - struct bfin_cf_socket *cf; - cf = container_of(sock, struct bfin_cf_socket, socket); - - switch (s->Vcc) { - case 0: - case 33: - break; - case 50: - break; - default: - return -EINVAL; - } - - if (s->flags & SS_RESET) { - disable_irq(cf->irq); - bfin_cf_reset(); - enable_irq(cf->irq); - } - - dev_dbg(&cf->pdev->dev, ": Vcc %d, io_irq %d, flags %04x csc %04x\n", - s->Vcc, s->io_irq, s->flags, s->csc_mask); - - return 0; -} - -static int bfin_cf_ss_suspend(struct pcmcia_socket *s) -{ - return bfin_cf_set_socket(s, &dead_socket); -} - -/* regions are 2K each: mem, attrib, io (and reserved-for-ide) */ - -static int bfin_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) -{ - struct bfin_cf_socket *cf; - - cf = container_of(s, struct bfin_cf_socket, socket); - io->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT; - io->start = cf->phys_cf_io; - io->stop = io->start + SZ_2K - 1; - return 0; -} - -static int -bfin_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map) -{ - struct bfin_cf_socket *cf; - - if (map->card_start) - return -EINVAL; - cf = container_of(s, struct bfin_cf_socket, socket); - map->static_start = cf->phys_cf_io; - map->flags &= MAP_ACTIVE | MAP_ATTRIB | MAP_16BIT; - if (map->flags & MAP_ATTRIB) - map->static_start = cf->phys_cf_attr; - - return 0; -} - -static struct pccard_operations bfin_cf_ops = { - .init = bfin_cf_ss_init, - .suspend = bfin_cf_ss_suspend, - .get_status = bfin_cf_get_status, - .set_socket = bfin_cf_set_socket, - .set_io_map = bfin_cf_set_io_map, - .set_mem_map = bfin_cf_set_mem_map, -}; - -/*--------------------------------------------------------------------------*/ - -static int bfin_cf_probe(struct platform_device *pdev) -{ - struct bfin_cf_socket *cf; - struct resource *io_mem, *attr_mem; - int irq; - unsigned short cd_pfx; - int status = 0; - - dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n"); - - irq = platform_get_irq(pdev, 0); - if (irq <= 0) - return -EINVAL; - - cd_pfx = platform_get_irq(pdev, 1); /*Card Detect GPIO PIN */ - - if (gpio_request(cd_pfx, "pcmcia: CD")) { - dev_err(&pdev->dev, - "Failed ro request Card Detect GPIO_%d\n", - cd_pfx); - return -EBUSY; - } - gpio_direction_input(cd_pfx); - - cf = kzalloc(sizeof *cf, GFP_KERNEL); - if (!cf) { - gpio_free(cd_pfx); - return -ENOMEM; - } - - cf->cd_pfx = cd_pfx; - - timer_setup(&cf->timer, bfin_cf_timer, 0); - - cf->pdev = pdev; - platform_set_drvdata(pdev, cf); - - cf->irq = irq; - cf->socket.pci_irq = irq; - - irq_set_irq_type(irq, IRQF_TRIGGER_LOW); - - io_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - attr_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); - - if (!io_mem || !attr_mem) - goto fail0; - - cf->phys_cf_io = io_mem->start; - cf->phys_cf_attr = attr_mem->start; - - /* pcmcia layer only remaps "real" memory */ - cf->socket.io_offset = (unsigned long) - ioremap(cf->phys_cf_io, SZ_2K); - - if (!cf->socket.io_offset) - goto fail0; - - dev_err(&pdev->dev, ": on irq %d\n", irq); - - dev_dbg(&pdev->dev, ": %s\n", - bfin_cf_present(cf->cd_pfx) ? "present" : "(not present)"); - - cf->socket.owner = THIS_MODULE; - cf->socket.dev.parent = &pdev->dev; - cf->socket.ops = &bfin_cf_ops; - cf->socket.resource_ops = &pccard_static_ops; - cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP - | SS_CAP_MEM_ALIGN; - cf->socket.map_size = SZ_2K; - - status = pcmcia_register_socket(&cf->socket); - if (status < 0) - goto fail2; - - cf->active = 1; - mod_timer(&cf->timer, jiffies + POLL_INTERVAL); - return 0; - -fail2: - iounmap((void __iomem *)cf->socket.io_offset); - release_mem_region(cf->phys_cf_io, SZ_8K); - -fail0: - gpio_free(cf->cd_pfx); - kfree(cf); - platform_set_drvdata(pdev, NULL); - - return status; -} - -static int bfin_cf_remove(struct platform_device *pdev) -{ - struct bfin_cf_socket *cf = platform_get_drvdata(pdev); - - gpio_free(cf->cd_pfx); - cf->active = 0; - pcmcia_unregister_socket(&cf->socket); - del_timer_sync(&cf->timer); - iounmap((void __iomem *)cf->socket.io_offset); - release_mem_region(cf->phys_cf_io, SZ_8K); - platform_set_drvdata(pdev, NULL); - kfree(cf); - return 0; -} - -static struct platform_driver bfin_cf_driver = { - .driver = { - .name = driver_name, - }, - .probe = bfin_cf_probe, - .remove = bfin_cf_remove, -}; - -module_platform_driver(bfin_cf_driver); - -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); -MODULE_DESCRIPTION("BFIN CF/PCMCIA Driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index c3b615c94b4b..8c8caec3a72c 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -452,17 +452,20 @@ static int socket_insert(struct pcmcia_socket *skt) static int socket_suspend(struct pcmcia_socket *skt) { - if (skt->state & SOCKET_SUSPEND) + if ((skt->state & SOCKET_SUSPEND) && !(skt->state & SOCKET_IN_RESUME)) return -EBUSY; mutex_lock(&skt->ops_mutex); - skt->suspended_state = skt->state; + /* store state on first suspend, but not after spurious wakeups */ + if (!(skt->state & SOCKET_IN_RESUME)) + skt->suspended_state = skt->state; skt->socket = dead_socket; skt->ops->set_socket(skt, &skt->socket); if (skt->ops->suspend) skt->ops->suspend(skt); skt->state |= SOCKET_SUSPEND; + skt->state &= ~SOCKET_IN_RESUME; mutex_unlock(&skt->ops_mutex); return 0; } @@ -475,6 +478,7 @@ static int socket_early_resume(struct pcmcia_socket *skt) skt->ops->set_socket(skt, &skt->socket); if (skt->state & SOCKET_PRESENT) skt->resume_status = socket_setup(skt, resume_delay); + skt->state |= SOCKET_IN_RESUME; mutex_unlock(&skt->ops_mutex); return 0; } @@ -484,7 +488,7 @@ static int socket_late_resume(struct pcmcia_socket *skt) int ret = 0; mutex_lock(&skt->ops_mutex); - skt->state &= ~SOCKET_SUSPEND; + skt->state &= ~(SOCKET_SUSPEND | SOCKET_IN_RESUME); mutex_unlock(&skt->ops_mutex); if (!(skt->state & SOCKET_PRESENT)) { diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h index 6765beadea95..03ec43802909 100644 --- a/drivers/pcmcia/cs_internal.h +++ b/drivers/pcmcia/cs_internal.h @@ -70,6 +70,7 @@ struct pccard_resource_ops { /* Flags in socket state */ #define SOCKET_PRESENT 0x0008 #define SOCKET_INUSE 0x0010 +#define SOCKET_IN_RESUME 0x0040 #define SOCKET_SUSPEND 0x0080 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) #define SOCKET_CARDBUS 0x8000 diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c deleted file mode 100644 index 9a4940e56e2f..000000000000 --- a/drivers/pcmcia/m32r_cfc.c +++ /dev/null @@ -1,786 +0,0 @@ -/* - * drivers/pcmcia/m32r_cfc.c - * - * Device driver for the CFC functionality of M32R. - * - * Copyright (c) 2001, 2002, 2003, 2004 - * Hiroyuki Kondo, Naoto Sugai, Hayato Fujiwara - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/workqueue.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/bitops.h> -#include <asm/irq.h> -#include <asm/io.h> - -#include <pcmcia/ss.h> - -#undef MAX_IO_WIN /* FIXME */ -#define MAX_IO_WIN 1 -#undef MAX_WIN /* FIXME */ -#define MAX_WIN 1 - -#include "m32r_cfc.h" - -/* Poll status interval -- 0 means default to interrupt */ -static int poll_interval = 0; - -typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t; - -typedef struct pcc_socket { - u_short type, flags; - struct pcmcia_socket socket; - unsigned int number; - unsigned int ioaddr; - u_long mapaddr; - u_long base; /* PCC register base */ - u_char cs_irq1, cs_irq2, intr; - pccard_io_map io_map[MAX_IO_WIN]; - pccard_mem_map mem_map[MAX_WIN]; - u_char io_win; - u_char mem_win; - pcc_as_t current_space; - u_char last_iodbex; -#ifdef CONFIG_PROC_FS - struct proc_dir_entry *proc; -#endif -} pcc_socket_t; - -static int pcc_sockets = 0; -static pcc_socket_t socket[M32R_MAX_PCC] = { - { 0, }, /* ... */ -}; - -/*====================================================================*/ - -static unsigned int pcc_get(u_short, unsigned int); -static void pcc_set(u_short, unsigned int , unsigned int ); - -static DEFINE_SPINLOCK(pcc_lock); - -#if !defined(CONFIG_PLAT_USRV) -static inline u_long pcc_port2addr(unsigned long port, int size) { - u_long addr = 0; - u_long odd; - - if (size == 1) { /* byte access */ - odd = (port&1) << 11; - port -= port & 1; - addr = CFC_IO_MAPBASE_BYTE - CFC_IOPORT_BASE + odd + port; - } else if (size == 2) - addr = CFC_IO_MAPBASE_WORD - CFC_IOPORT_BASE + port; - - return addr; -} -#else /* CONFIG_PLAT_USRV */ -static inline u_long pcc_port2addr(unsigned long port, int size) { - u_long odd; - u_long addr = ((port - CFC_IOPORT_BASE) & 0xf000) << 8; - - if (size == 1) { /* byte access */ - odd = port & 1; - port -= odd; - odd <<= 11; - addr = (addr | CFC_IO_MAPBASE_BYTE) + odd + (port & 0xfff); - } else if (size == 2) /* word access */ - addr = (addr | CFC_IO_MAPBASE_WORD) + (port & 0xfff); - - return addr; -} -#endif /* CONFIG_PLAT_USRV */ - -void pcc_ioread_byte(int sock, unsigned long port, void *buf, size_t size, - size_t nmemb, int flag) -{ - u_long addr; - unsigned char *bp = (unsigned char *)buf; - unsigned long flags; - - pr_debug("m32r_cfc: pcc_ioread_byte: sock=%d, port=%#lx, buf=%p, " - "size=%u, nmemb=%d, flag=%d\n", - sock, port, buf, size, nmemb, flag); - - addr = pcc_port2addr(port, 1); - if (!addr) { - printk("m32r_cfc:ioread_byte null port :%#lx\n",port); - return; - } - pr_debug("m32r_cfc: pcc_ioread_byte: addr=%#lx\n", addr); - - spin_lock_irqsave(&pcc_lock, flags); - /* read Byte */ - while (nmemb--) - *bp++ = readb(addr); - spin_unlock_irqrestore(&pcc_lock, flags); -} - -void pcc_ioread_word(int sock, unsigned long port, void *buf, size_t size, - size_t nmemb, int flag) -{ - u_long addr; - unsigned short *bp = (unsigned short *)buf; - unsigned long flags; - - pr_debug("m32r_cfc: pcc_ioread_word: sock=%d, port=%#lx, " - "buf=%p, size=%u, nmemb=%d, flag=%d\n", - sock, port, buf, size, nmemb, flag); - - if (size != 2) - printk("m32r_cfc: ioread_word :illigal size %u : %#lx\n", size, - port); - if (size == 9) - printk("m32r_cfc: ioread_word :insw \n"); - - addr = pcc_port2addr(port, 2); - if (!addr) { - printk("m32r_cfc:ioread_word null port :%#lx\n",port); - return; - } - pr_debug("m32r_cfc: pcc_ioread_word: addr=%#lx\n", addr); - - spin_lock_irqsave(&pcc_lock, flags); - /* read Word */ - while (nmemb--) - *bp++ = readw(addr); - spin_unlock_irqrestore(&pcc_lock, flags); -} - -void pcc_iowrite_byte(int sock, unsigned long port, void *buf, size_t size, - size_t nmemb, int flag) -{ - u_long addr; - unsigned char *bp = (unsigned char *)buf; - unsigned long flags; - - pr_debug("m32r_cfc: pcc_iowrite_byte: sock=%d, port=%#lx, " - "buf=%p, size=%u, nmemb=%d, flag=%d\n", - sock, port, buf, size, nmemb, flag); - - /* write Byte */ - addr = pcc_port2addr(port, 1); - if (!addr) { - printk("m32r_cfc:iowrite_byte null port:%#lx\n",port); - return; - } - pr_debug("m32r_cfc: pcc_iowrite_byte: addr=%#lx\n", addr); - - spin_lock_irqsave(&pcc_lock, flags); - while (nmemb--) - writeb(*bp++, addr); - spin_unlock_irqrestore(&pcc_lock, flags); -} - -void pcc_iowrite_word(int sock, unsigned long port, void *buf, size_t size, - size_t nmemb, int flag) -{ - u_long addr; - unsigned short *bp = (unsigned short *)buf; - unsigned long flags; - - pr_debug("m32r_cfc: pcc_iowrite_word: sock=%d, port=%#lx, " - "buf=%p, size=%u, nmemb=%d, flag=%d\n", - sock, port, buf, size, nmemb, flag); - - if(size != 2) - printk("m32r_cfc: iowrite_word :illigal size %u : %#lx\n", - size, port); - if(size == 9) - printk("m32r_cfc: iowrite_word :outsw \n"); - - addr = pcc_port2addr(port, 2); - if (!addr) { - printk("m32r_cfc:iowrite_word null addr :%#lx\n",port); - return; - } -#if 1 - if (addr & 1) { - printk("m32r_cfc:iowrite_word port addr (%#lx):%#lx\n", port, - addr); - return; - } -#endif - pr_debug("m32r_cfc: pcc_iowrite_word: addr=%#lx\n", addr); - - spin_lock_irqsave(&pcc_lock, flags); - while (nmemb--) - writew(*bp++, addr); - spin_unlock_irqrestore(&pcc_lock, flags); -} - -/*====================================================================*/ - -#define IS_REGISTERED 0x2000 -#define IS_ALIVE 0x8000 - -typedef struct pcc_t { - char *name; - u_short flags; -} pcc_t; - -static pcc_t pcc[] = { -#if !defined(CONFIG_PLAT_USRV) - { "m32r_cfc", 0 }, { "", 0 }, -#else /* CONFIG_PLAT_USRV */ - { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, - { "m32r_cfc", 0 }, { "m32r_cfc", 0 }, { "", 0 }, -#endif /* CONFIG_PLAT_USRV */ -}; - -static irqreturn_t pcc_interrupt(int, void *); - -/*====================================================================*/ - -static struct timer_list poll_timer; - -static unsigned int pcc_get(u_short sock, unsigned int reg) -{ - unsigned int val = inw(reg); - pr_debug("m32r_cfc: pcc_get: reg(0x%08x)=0x%04x\n", reg, val); - return val; -} - - -static void pcc_set(u_short sock, unsigned int reg, unsigned int data) -{ - outw(data, reg); - pr_debug("m32r_cfc: pcc_set: reg(0x%08x)=0x%04x\n", reg, data); -} - -/*====================================================================== - - See if a card is present, powered up, in IO mode, and already - bound to a (non PC Card) Linux driver. We leave these alone. - - We make an exception for cards that seem to be serial devices. - -======================================================================*/ - -static int __init is_alive(u_short sock) -{ - unsigned int stat; - - pr_debug("m32r_cfc: is_alive:\n"); - - printk("CF: "); - stat = pcc_get(sock, (unsigned int)PLD_CFSTS); - if (!stat) - printk("No "); - printk("Card is detected at socket %d : stat = 0x%08x\n", sock, stat); - pr_debug("m32r_cfc: is_alive: sock stat is 0x%04x\n", stat); - - return 0; -} - -static void add_pcc_socket(ulong base, int irq, ulong mapaddr, - unsigned int ioaddr) -{ - pcc_socket_t *t = &socket[pcc_sockets]; - - pr_debug("m32r_cfc: add_pcc_socket: base=%#lx, irq=%d, " - "mapaddr=%#lx, ioaddr=%08x\n", - base, irq, mapaddr, ioaddr); - - /* add sockets */ - t->ioaddr = ioaddr; - t->mapaddr = mapaddr; -#if !defined(CONFIG_PLAT_USRV) - t->base = 0; - t->flags = 0; - t->cs_irq1 = irq; // insert irq - t->cs_irq2 = irq + 1; // eject irq -#else /* CONFIG_PLAT_USRV */ - t->base = base; - t->flags = 0; - t->cs_irq1 = 0; // insert irq - t->cs_irq2 = 0; // eject irq -#endif /* CONFIG_PLAT_USRV */ - - if (is_alive(pcc_sockets)) - t->flags |= IS_ALIVE; - - /* add pcc */ -#if !defined(CONFIG_PLAT_USRV) - request_region((unsigned int)PLD_CFRSTCR, 0x20, "m32r_cfc"); -#else /* CONFIG_PLAT_USRV */ - { - unsigned int reg_base; - - reg_base = (unsigned int)PLD_CFRSTCR; - reg_base |= pcc_sockets << 8; - request_region(reg_base, 0x20, "m32r_cfc"); - } -#endif /* CONFIG_PLAT_USRV */ - printk(KERN_INFO " %s ", pcc[pcc_sockets].name); - printk("pcc at 0x%08lx\n", t->base); - - /* Update socket interrupt information, capabilities */ - t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP); - t->socket.map_size = M32R_PCC_MAPSIZE; - t->socket.io_offset = ioaddr; /* use for io access offset */ - t->socket.irq_mask = 0; -#if !defined(CONFIG_PLAT_USRV) - t->socket.pci_irq = PLD_IRQ_CFIREQ ; /* card interrupt */ -#else /* CONFIG_PLAT_USRV */ - t->socket.pci_irq = PLD_IRQ_CF0 + pcc_sockets; -#endif /* CONFIG_PLAT_USRV */ - -#ifndef CONFIG_PLAT_USRV - /* insert interrupt */ - request_irq(irq, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt); -#ifndef CONFIG_PLAT_MAPPI3 - /* eject interrupt */ - request_irq(irq+1, pcc_interrupt, 0, "m32r_cfc", pcc_interrupt); -#endif - pr_debug("m32r_cfc: enable CFMSK, RDYSEL\n"); - pcc_set(pcc_sockets, (unsigned int)PLD_CFIMASK, 0x01); -#endif /* CONFIG_PLAT_USRV */ -#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) - pcc_set(pcc_sockets, (unsigned int)PLD_CFCR1, 0x0200); -#endif - pcc_sockets++; - - return; -} - - -/*====================================================================*/ - -static irqreturn_t pcc_interrupt(int irq, void *dev) -{ - int i; - u_int events = 0; - int handled = 0; - - pr_debug("m32r_cfc: pcc_interrupt: irq=%d, dev=%p\n", irq, dev); - for (i = 0; i < pcc_sockets; i++) { - if (socket[i].cs_irq1 != irq && socket[i].cs_irq2 != irq) - continue; - - handled = 1; - pr_debug("m32r_cfc: pcc_interrupt: socket %d irq 0x%02x ", - i, irq); - events |= SS_DETECT; /* insert or eject */ - if (events) - pcmcia_parse_events(&socket[i].socket, events); - } - pr_debug("m32r_cfc: pcc_interrupt: done\n"); - - return IRQ_RETVAL(handled); -} /* pcc_interrupt */ - -static void pcc_interrupt_wrapper(struct timer_list *unused) -{ - pr_debug("m32r_cfc: pcc_interrupt_wrapper:\n"); - pcc_interrupt(0, NULL); - poll_timer.expires = jiffies + poll_interval; - add_timer(&poll_timer); -} - -/*====================================================================*/ - -static int _pcc_get_status(u_short sock, u_int *value) -{ - u_int status; - - pr_debug("m32r_cfc: _pcc_get_status:\n"); - status = pcc_get(sock, (unsigned int)PLD_CFSTS); - *value = (status) ? SS_DETECT : 0; - pr_debug("m32r_cfc: _pcc_get_status: status=0x%08x\n", status); - -#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) - if ( status ) { - /* enable CF power */ - status = inw((unsigned int)PLD_CPCR); - if (!(status & PLD_CPCR_CF)) { - pr_debug("m32r_cfc: _pcc_get_status: " - "power on (CPCR=0x%08x)\n", status); - status |= PLD_CPCR_CF; - outw(status, (unsigned int)PLD_CPCR); - udelay(100); - } - *value |= SS_POWERON; - - pcc_set(sock, (unsigned int)PLD_CFBUFCR,0);/* enable buffer */ - udelay(100); - - *value |= SS_READY; /* always ready */ - *value |= SS_3VCARD; - } else { - /* disable CF power */ - status = inw((unsigned int)PLD_CPCR); - status &= ~PLD_CPCR_CF; - outw(status, (unsigned int)PLD_CPCR); - udelay(100); - pr_debug("m32r_cfc: _pcc_get_status: " - "power off (CPCR=0x%08x)\n", status); - } -#elif defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3) - if ( status ) { - status = pcc_get(sock, (unsigned int)PLD_CPCR); - if (status == 0) { /* power off */ - pcc_set(sock, (unsigned int)PLD_CPCR, 1); - pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); /* force buffer off for ZA-36 */ - udelay(50); - } - *value |= SS_POWERON; - - pcc_set(sock, (unsigned int)PLD_CFBUFCR,0); - udelay(50); - pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0101); - udelay(25); /* for IDE reset */ - pcc_set(sock, (unsigned int)PLD_CFRSTCR, 0x0100); - mdelay(2); /* for IDE reset */ - - *value |= SS_READY; - *value |= SS_3VCARD; - } else { - /* disable CF power */ - pcc_set(sock, (unsigned int)PLD_CPCR, 0); - udelay(100); - pr_debug("m32r_cfc: _pcc_get_status: " - "power off (CPCR=0x%08x)\n", status); - } -#else -#error no platform configuration -#endif - pr_debug("m32r_cfc: _pcc_get_status: GetStatus(%d) = %#4.4x\n", - sock, *value); - return 0; -} /* _get_status */ - -/*====================================================================*/ - -static int _pcc_set_socket(u_short sock, socket_state_t *state) -{ - pr_debug("m32r_cfc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " - "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags, - state->Vcc, state->Vpp, state->io_irq, state->csc_mask); - -#if defined(CONFIG_PLAT_M32700UT) || defined(CONFIG_PLAT_USRV) || defined(CONFIG_PLAT_OPSPUT) || defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3) - if (state->Vcc) { - if ((state->Vcc != 50) && (state->Vcc != 33)) - return -EINVAL; - /* accept 5V and 3.3V */ - } -#endif - if (state->flags & SS_RESET) { - pr_debug(":RESET\n"); - pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x101); - }else{ - pcc_set(sock,(unsigned int)PLD_CFRSTCR,0x100); - } - if (state->flags & SS_OUTPUT_ENA){ - pr_debug(":OUTPUT_ENA\n"); - /* bit clear */ - pcc_set(sock,(unsigned int)PLD_CFBUFCR,0); - } else { - pcc_set(sock,(unsigned int)PLD_CFBUFCR,1); - } - - if(state->flags & SS_IOCARD){ - pr_debug(":IOCARD"); - } - if (state->flags & SS_PWR_AUTO) { - pr_debug(":PWR_AUTO"); - } - if (state->csc_mask & SS_DETECT) - pr_debug(":csc-SS_DETECT"); - if (state->flags & SS_IOCARD) { - if (state->csc_mask & SS_STSCHG) - pr_debug(":STSCHG"); - } else { - if (state->csc_mask & SS_BATDEAD) - pr_debug(":BATDEAD"); - if (state->csc_mask & SS_BATWARN) - pr_debug(":BATWARN"); - if (state->csc_mask & SS_READY) - pr_debug(":READY"); - } - pr_debug("\n"); - return 0; -} /* _set_socket */ - -/*====================================================================*/ - -static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io) -{ - u_char map; - - pr_debug("m32r_cfc: SetIOMap(%d, %d, %#2.2x, %d ns, " - "%#llx-%#llx)\n", sock, io->map, io->flags, - io->speed, (unsigned long long)io->start, - (unsigned long long)io->stop); - map = io->map; - - return 0; -} /* _set_io_map */ - -/*====================================================================*/ - -static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem) -{ - - u_char map = mem->map; - u_long addr; - pcc_socket_t *t = &socket[sock]; - - pr_debug("m32r_cfc: SetMemMap(%d, %d, %#2.2x, %d ns, " - "%#llx, %#x)\n", sock, map, mem->flags, - mem->speed, (unsigned long long)mem->static_start, - mem->card_start); - - /* - * sanity check - */ - if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){ - return -EINVAL; - } - - /* - * de-activate - */ - if ((mem->flags & MAP_ACTIVE) == 0) { - t->current_space = as_none; - return 0; - } - - /* - * Set mode - */ - if (mem->flags & MAP_ATTRIB) { - t->current_space = as_attr; - } else { - t->current_space = as_comm; - } - - /* - * Set address - */ - addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK); - mem->static_start = addr + mem->card_start; - - return 0; - -} /* _set_mem_map */ - -#if 0 /* driver model ordering issue */ -/*====================================================================== - - Routines for accessing socket information and register dumps via - /proc/bus/pccard/... - -======================================================================*/ - -static ssize_t show_info(struct class_device *class_dev, char *buf) -{ - pcc_socket_t *s = container_of(class_dev, struct pcc_socket, - socket.dev); - - return sprintf(buf, "type: %s\nbase addr: 0x%08lx\n", - pcc[s->type].name, s->base); -} - -static ssize_t show_exca(struct class_device *class_dev, char *buf) -{ - /* FIXME */ - - return 0; -} - -static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL); -static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL); -#endif - -/*====================================================================*/ - -/* this is horribly ugly... proper locking needs to be done here at - * some time... */ -#define LOCKED(x) do { \ - int retval; \ - unsigned long flags; \ - spin_lock_irqsave(&pcc_lock, flags); \ - retval = x; \ - spin_unlock_irqrestore(&pcc_lock, flags); \ - return retval; \ -} while (0) - - -static int pcc_get_status(struct pcmcia_socket *s, u_int *value) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) { - dev_dbg(&s->dev, "pcc_get_status: sock(%d) -EINVAL\n", sock); - *value = 0; - return -EINVAL; - } - dev_dbg(&s->dev, "pcc_get_status: sock(%d)\n", sock); - LOCKED(_pcc_get_status(sock, value)); -} - -static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) { - dev_dbg(&s->dev, "pcc_set_socket: sock(%d) -EINVAL\n", sock); - return -EINVAL; - } - dev_dbg(&s->dev, "pcc_set_socket: sock(%d)\n", sock); - LOCKED(_pcc_set_socket(sock, state)); -} - -static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) { - dev_dbg(&s->dev, "pcc_set_io_map: sock(%d) -EINVAL\n", sock); - return -EINVAL; - } - dev_dbg(&s->dev, "pcc_set_io_map: sock(%d)\n", sock); - LOCKED(_pcc_set_io_map(sock, io)); -} - -static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) { - dev_dbg(&s->dev, "pcc_set_mem_map: sock(%d) -EINVAL\n", sock); - return -EINVAL; - } - dev_dbg(&s->dev, "pcc_set_mem_map: sock(%d)\n", sock); - LOCKED(_pcc_set_mem_map(sock, mem)); -} - -static int pcc_init(struct pcmcia_socket *s) -{ - dev_dbg(&s->dev, "pcc_init()\n"); - return 0; -} - -static struct pccard_operations pcc_operations = { - .init = pcc_init, - .get_status = pcc_get_status, - .set_socket = pcc_set_socket, - .set_io_map = pcc_set_io_map, - .set_mem_map = pcc_set_mem_map, -}; - - -/*====================================================================*/ - -static struct platform_driver pcc_driver = { - .driver = { - .name = "cfc", - }, -}; - -static struct platform_device pcc_device = { - .name = "cfc", - .id = 0, -}; - -/*====================================================================*/ - -static int __init init_m32r_pcc(void) -{ - int i, ret; - - ret = platform_driver_register(&pcc_driver); - if (ret) - return ret; - - ret = platform_device_register(&pcc_device); - if (ret){ - platform_driver_unregister(&pcc_driver); - return ret; - } - -#if defined(CONFIG_PLAT_MAPPI2) || defined(CONFIG_PLAT_MAPPI3) - pcc_set(0, (unsigned int)PLD_CFCR0, 0x0f0f); - pcc_set(0, (unsigned int)PLD_CFCR1, 0x0200); -#endif - - pcc_sockets = 0; - -#if !defined(CONFIG_PLAT_USRV) - add_pcc_socket(M32R_PCC0_BASE, PLD_IRQ_CFC_INSERT, CFC_ATTR_MAPBASE, - CFC_IOPORT_BASE); -#else /* CONFIG_PLAT_USRV */ - { - ulong base, mapaddr; - unsigned int ioaddr; - - for (i = 0 ; i < M32R_MAX_PCC ; i++) { - base = (ulong)PLD_CFRSTCR; - base = base | (i << 8); - ioaddr = (i + 1) << 12; - mapaddr = CFC_ATTR_MAPBASE | (i << 20); - add_pcc_socket(base, 0, mapaddr, ioaddr); - } - } -#endif /* CONFIG_PLAT_USRV */ - - if (pcc_sockets == 0) { - printk("socket is not found.\n"); - platform_device_unregister(&pcc_device); - platform_driver_unregister(&pcc_driver); - return -ENODEV; - } - - /* Set up interrupt handler(s) */ - - for (i = 0 ; i < pcc_sockets ; i++) { - socket[i].socket.dev.parent = &pcc_device.dev; - socket[i].socket.ops = &pcc_operations; - socket[i].socket.resource_ops = &pccard_static_ops; - socket[i].socket.owner = THIS_MODULE; - socket[i].number = i; - ret = pcmcia_register_socket(&socket[i].socket); - if (!ret) - socket[i].flags |= IS_REGISTERED; - } - - /* Finally, schedule a polling interrupt */ - if (poll_interval != 0) { - timer_setup(&poll_timer, pcc_interrupt_wrapper, 0); - poll_timer.expires = jiffies + poll_interval; - add_timer(&poll_timer); - } - - return 0; -} /* init_m32r_pcc */ - -static void __exit exit_m32r_pcc(void) -{ - int i; - - for (i = 0; i < pcc_sockets; i++) - if (socket[i].flags & IS_REGISTERED) - pcmcia_unregister_socket(&socket[i].socket); - - platform_device_unregister(&pcc_device); - if (poll_interval != 0) - del_timer_sync(&poll_timer); - - platform_driver_unregister(&pcc_driver); -} /* exit_m32r_pcc */ - -module_init(init_m32r_pcc); -module_exit(exit_m32r_pcc); -MODULE_LICENSE("Dual MPL/GPL"); -/*====================================================================*/ diff --git a/drivers/pcmcia/m32r_cfc.h b/drivers/pcmcia/m32r_cfc.h deleted file mode 100644 index 05fec98617d0..000000000000 --- a/drivers/pcmcia/m32r_cfc.h +++ /dev/null @@ -1,88 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2001 by Hiroyuki Kondo - */ - -#if !defined(CONFIG_M32R_CFC_NUM) -#define M32R_MAX_PCC 2 -#else -#define M32R_MAX_PCC CONFIG_M32R_CFC_NUM -#endif - -/* - * M32R PC Card Controller - */ -#define M32R_PCC0_BASE 0x00ef7000 -#define M32R_PCC1_BASE 0x00ef7020 - -/* - * Register offsets - */ -#define PCCR 0x00 -#define PCADR 0x04 -#define PCMOD 0x08 -#define PCIRC 0x0c -#define PCCSIGCR 0x10 -#define PCATCR 0x14 - -/* - * PCCR - */ -#define PCCR_PCEN (1UL<<(31-31)) - -/* - * PCIRC - */ -#define PCIRC_BWERR (1UL<<(31-7)) -#define PCIRC_CDIN1 (1UL<<(31-14)) -#define PCIRC_CDIN2 (1UL<<(31-15)) -#define PCIRC_BEIEN (1UL<<(31-23)) -#define PCIRC_CIIEN (1UL<<(31-30)) -#define PCIRC_COIEN (1UL<<(31-31)) - -/* - * PCCSIGCR - */ -#define PCCSIGCR_SEN (1UL<<(31-3)) -#define PCCSIGCR_VEN (1UL<<(31-7)) -#define PCCSIGCR_CRST (1UL<<(31-15)) -#define PCCSIGCR_COCR (1UL<<(31-31)) - -/* - * - */ -#define PCMOD_AS_ATTRIB (1UL<<(31-19)) -#define PCMOD_AS_IO (1UL<<(31-18)) - -#define PCMOD_CBSZ (1UL<<(31-23)) /* set for 8bit */ - -#define PCMOD_DBEX (1UL<<(31-31)) /* set for excahnge */ - -/* - * M32R PCC Map addr - */ - -#define M32R_PCC0_MAPBASE 0x14000000 -#define M32R_PCC1_MAPBASE 0x16000000 - -#define M32R_PCC_MAPMAX 0x02000000 - -#define M32R_PCC_MAPSIZE 0x00001000 /* XXX */ -#define M32R_PCC_MAPMASK (~(M32R_PCC_MAPMAX-1)) - -#define CFC_IOPORT_BASE 0x1000 - -#if defined(CONFIG_PLAT_MAPPI3) -#define CFC_ATTR_MAPBASE 0x14014000 -#define CFC_IO_MAPBASE_BYTE 0xb4012000 -#define CFC_IO_MAPBASE_WORD 0xb4002000 -#elif !defined(CONFIG_PLAT_USRV) -#define CFC_ATTR_MAPBASE 0x0c014000 -#define CFC_IO_MAPBASE_BYTE 0xac012000 -#define CFC_IO_MAPBASE_WORD 0xac002000 -#else -#define CFC_ATTR_MAPBASE 0x04014000 -#define CFC_IO_MAPBASE_BYTE 0xa4012000 -#define CFC_IO_MAPBASE_WORD 0xa4002000 -#endif /* CONFIG_PLAT_USRV */ - diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c deleted file mode 100644 index c2239a7e383a..000000000000 --- a/drivers/pcmcia/m32r_pcc.c +++ /dev/null @@ -1,763 +0,0 @@ -/* - * drivers/pcmcia/m32r_pcc.c - * - * Device driver for the PCMCIA functionality of M32R. - * - * Copyright (c) 2001, 2002, 2003, 2004 - * Hiroyuki Kondo, Naoto Sugai, Hayato Fujiwara - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/timer.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/workqueue.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/bitops.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/addrspace.h> - -#include <pcmcia/ss.h> - -/* XXX: should be moved into asm/irq.h */ -#define PCC0_IRQ 24 -#define PCC1_IRQ 25 - -#include "m32r_pcc.h" - -#define CHAOS_PCC_DEBUG -#ifdef CHAOS_PCC_DEBUG - static volatile u_short dummy_readbuf; -#endif - -#define PCC_DEBUG_DBEX - - -/* Poll status interval -- 0 means default to interrupt */ -static int poll_interval = 0; - -typedef enum pcc_space { as_none = 0, as_comm, as_attr, as_io } pcc_as_t; - -typedef struct pcc_socket { - u_short type, flags; - struct pcmcia_socket socket; - unsigned int number; - unsigned int ioaddr; - u_long mapaddr; - u_long base; /* PCC register base */ - u_char cs_irq, intr; - pccard_io_map io_map[MAX_IO_WIN]; - pccard_mem_map mem_map[MAX_WIN]; - u_char io_win; - u_char mem_win; - pcc_as_t current_space; - u_char last_iodbex; -#ifdef CHAOS_PCC_DEBUG - u_char last_iosize; -#endif -#ifdef CONFIG_PROC_FS - struct proc_dir_entry *proc; -#endif -} pcc_socket_t; - -static int pcc_sockets = 0; -static pcc_socket_t socket[M32R_MAX_PCC] = { - { 0, }, /* ... */ -}; - -/*====================================================================*/ - -static unsigned int pcc_get(u_short, unsigned int); -static void pcc_set(u_short, unsigned int , unsigned int ); - -static DEFINE_SPINLOCK(pcc_lock); - -void pcc_iorw(int sock, unsigned long port, void *buf, size_t size, size_t nmemb, int wr, int flag) -{ - u_long addr; - u_long flags; - int need_ex; -#ifdef PCC_DEBUG_DBEX - int _dbex; -#endif - pcc_socket_t *t = &socket[sock]; -#ifdef CHAOS_PCC_DEBUG - int map_changed = 0; -#endif - - /* Need lock ? */ - spin_lock_irqsave(&pcc_lock, flags); - - /* - * Check if need dbex - */ - need_ex = (size > 1 && flag == 0) ? PCMOD_DBEX : 0; -#ifdef PCC_DEBUG_DBEX - _dbex = need_ex; - need_ex = 0; -#endif - - /* - * calculate access address - */ - addr = t->mapaddr + port - t->ioaddr + KSEG1; /* XXX */ - - /* - * Check current mapping - */ - if (t->current_space != as_io || t->last_iodbex != need_ex) { - - u_long cbsz; - - /* - * Disable first - */ - pcc_set(sock, PCCR, 0); - - /* - * Set mode and io address - */ - cbsz = (t->flags & MAP_16BIT) ? 0 : PCMOD_CBSZ; - pcc_set(sock, PCMOD, PCMOD_AS_IO | cbsz | need_ex); - pcc_set(sock, PCADR, addr & 0x1ff00000); - - /* - * Enable and read it - */ - pcc_set(sock, PCCR, 1); - -#ifdef CHAOS_PCC_DEBUG -#if 0 - map_changed = (t->current_space == as_attr && size == 2); /* XXX */ -#else - map_changed = 1; -#endif -#endif - t->current_space = as_io; - } - - /* - * access to IO space - */ - if (size == 1) { - /* Byte */ - unsigned char *bp = (unsigned char *)buf; - -#ifdef CHAOS_DEBUG - if (map_changed) { - dummy_readbuf = readb(addr); - } -#endif - if (wr) { - /* write Byte */ - while (nmemb--) { - writeb(*bp++, addr); - } - } else { - /* read Byte */ - while (nmemb--) { - *bp++ = readb(addr); - } - } - } else { - /* Word */ - unsigned short *bp = (unsigned short *)buf; - -#ifdef CHAOS_PCC_DEBUG - if (map_changed) { - dummy_readbuf = readw(addr); - } -#endif - if (wr) { - /* write Word */ - while (nmemb--) { -#ifdef PCC_DEBUG_DBEX - if (_dbex) { - unsigned char *cp = (unsigned char *)bp; - unsigned short tmp; - tmp = cp[1] << 8 | cp[0]; - writew(tmp, addr); - bp++; - } else -#endif - writew(*bp++, addr); - } - } else { - /* read Word */ - while (nmemb--) { -#ifdef PCC_DEBUG_DBEX - if (_dbex) { - unsigned char *cp = (unsigned char *)bp; - unsigned short tmp; - tmp = readw(addr); - cp[0] = tmp & 0xff; - cp[1] = (tmp >> 8) & 0xff; - bp++; - } else -#endif - *bp++ = readw(addr); - } - } - } - -#if 1 - /* addr is no longer used */ - if ((addr = pcc_get(sock, PCIRC)) & PCIRC_BWERR) { - printk("m32r_pcc: BWERR detected : port 0x%04lx : iosize %dbit\n", - port, size * 8); - pcc_set(sock, PCIRC, addr); - } -#endif - /* - * save state - */ - t->last_iosize = size; - t->last_iodbex = need_ex; - - /* Need lock ? */ - - spin_unlock_irqrestore(&pcc_lock,flags); - - return; -} - -void pcc_ioread(int sock, unsigned long port, void *buf, size_t size, size_t nmemb, int flag) { - pcc_iorw(sock, port, buf, size, nmemb, 0, flag); -} - -void pcc_iowrite(int sock, unsigned long port, void *buf, size_t size, size_t nmemb, int flag) { - pcc_iorw(sock, port, buf, size, nmemb, 1, flag); -} - -/*====================================================================*/ - -#define IS_REGISTERED 0x2000 -#define IS_ALIVE 0x8000 - -typedef struct pcc_t { - char *name; - u_short flags; -} pcc_t; - -static pcc_t pcc[] = { - { "xnux2", 0 }, { "xnux2", 0 }, -}; - -static irqreturn_t pcc_interrupt(int, void *); - -/*====================================================================*/ - -static struct timer_list poll_timer; - -static unsigned int pcc_get(u_short sock, unsigned int reg) -{ - return inl(socket[sock].base + reg); -} - - -static void pcc_set(u_short sock, unsigned int reg, unsigned int data) -{ - outl(data, socket[sock].base + reg); -} - -/*====================================================================== - - See if a card is present, powered up, in IO mode, and already - bound to a (non PC Card) Linux driver. We leave these alone. - - We make an exception for cards that seem to be serial devices. - -======================================================================*/ - -static int __init is_alive(u_short sock) -{ - unsigned int stat; - unsigned int f; - - stat = pcc_get(sock, PCIRC); - f = (stat & (PCIRC_CDIN1 | PCIRC_CDIN2)) >> 16; - if(!f){ - printk("m32r_pcc: No Card is detected at socket %d : stat = 0x%08x\n",stat,sock); - return 0; - } - if(f!=3) - printk("m32r_pcc: Insertion fail (%.8x) at socket %d\n",stat,sock); - else - printk("m32r_pcc: Card is Inserted at socket %d(%.8x)\n",sock,stat); - return 0; -} - -static int add_pcc_socket(ulong base, int irq, ulong mapaddr, - unsigned int ioaddr) -{ - pcc_socket_t *t = &socket[pcc_sockets]; - int err; - - /* add sockets */ - t->ioaddr = ioaddr; - t->mapaddr = mapaddr; - t->base = base; -#ifdef CHAOS_PCC_DEBUG - t->flags = MAP_16BIT; -#else - t->flags = 0; -#endif - if (is_alive(pcc_sockets)) - t->flags |= IS_ALIVE; - - /* add pcc */ - if (t->base > 0) { - request_region(t->base, 0x20, "m32r-pcc"); - } - - printk(KERN_INFO " %s ", pcc[pcc_sockets].name); - printk("pcc at 0x%08lx\n", t->base); - - /* Update socket interrupt information, capabilities */ - t->socket.features |= (SS_CAP_PCCARD | SS_CAP_STATIC_MAP); - t->socket.map_size = M32R_PCC_MAPSIZE; - t->socket.io_offset = ioaddr; /* use for io access offset */ - t->socket.irq_mask = 0; - t->socket.pci_irq = 2 + pcc_sockets; /* XXX */ - - err = request_irq(irq, pcc_interrupt, 0, "m32r-pcc", pcc_interrupt); - if (err) { - if (t->base > 0) - release_region(t->base, 0x20); - return err; - } - - pcc_sockets++; - - return 0; -} - - -/*====================================================================*/ - -static irqreturn_t pcc_interrupt(int irq, void *dev) -{ - int i, j, irc; - u_int events, active; - int handled = 0; - - pr_debug("m32r_pcc: pcc_interrupt(%d)\n", irq); - - for (j = 0; j < 20; j++) { - active = 0; - for (i = 0; i < pcc_sockets; i++) { - if ((socket[i].cs_irq != irq) && - (socket[i].socket.pci_irq != irq)) - continue; - handled = 1; - irc = pcc_get(i, PCIRC); - irc >>=16; - pr_debug("m32r_pcc: interrupt: socket %d pcirc 0x%02x ", - i, irc); - if (!irc) - continue; - - events = (irc) ? SS_DETECT : 0; - events |= (pcc_get(i,PCCR) & PCCR_PCEN) ? SS_READY : 0; - pr_debug("m32r_pcc: event 0x%02x\n", events); - - if (events) - pcmcia_parse_events(&socket[i].socket, events); - - active |= events; - active = 0; - } - if (!active) break; - } - if (j == 20) - printk(KERN_NOTICE "m32r-pcc: infinite loop in interrupt handler\n"); - - pr_debug("m32r_pcc: interrupt done\n"); - - return IRQ_RETVAL(handled); -} /* pcc_interrupt */ - -static void pcc_interrupt_wrapper(struct timer_list *unused) -{ - pcc_interrupt(0, NULL); - poll_timer.expires = jiffies + poll_interval; - add_timer(&poll_timer); -} - -/*====================================================================*/ - -static int _pcc_get_status(u_short sock, u_int *value) -{ - u_int status; - - status = pcc_get(sock,PCIRC); - *value = ((status & PCIRC_CDIN1) && (status & PCIRC_CDIN2)) - ? SS_DETECT : 0; - - status = pcc_get(sock,PCCR); - -#if 0 - *value |= (status & PCCR_PCEN) ? SS_READY : 0; -#else - *value |= SS_READY; /* XXX: always */ -#endif - - status = pcc_get(sock,PCCSIGCR); - *value |= (status & PCCSIGCR_VEN) ? SS_POWERON : 0; - - pr_debug("m32r_pcc: GetStatus(%d) = %#4.4x\n", sock, *value); - return 0; -} /* _get_status */ - -/*====================================================================*/ - -static int _pcc_set_socket(u_short sock, socket_state_t *state) -{ - u_long reg = 0; - - pr_debug("m32r_pcc: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " - "io_irq %d, csc_mask %#2.2x)", sock, state->flags, - state->Vcc, state->Vpp, state->io_irq, state->csc_mask); - - if (state->Vcc) { - /* - * 5V only - */ - if (state->Vcc == 50) { - reg |= PCCSIGCR_VEN; - } else { - return -EINVAL; - } - } - - if (state->flags & SS_RESET) { - pr_debug("m32r_pcc: :RESET\n"); - reg |= PCCSIGCR_CRST; - } - if (state->flags & SS_OUTPUT_ENA){ - pr_debug("m32r_pcc: :OUTPUT_ENA\n"); - /* bit clear */ - } else { - reg |= PCCSIGCR_SEN; - } - - pcc_set(sock,PCCSIGCR,reg); - - if(state->flags & SS_IOCARD){ - pr_debug("m32r_pcc: :IOCARD"); - } - if (state->flags & SS_PWR_AUTO) { - pr_debug("m32r_pcc: :PWR_AUTO"); - } - if (state->csc_mask & SS_DETECT) - pr_debug("m32r_pcc: :csc-SS_DETECT"); - if (state->flags & SS_IOCARD) { - if (state->csc_mask & SS_STSCHG) - pr_debug("m32r_pcc: :STSCHG"); - } else { - if (state->csc_mask & SS_BATDEAD) - pr_debug("m32r_pcc: :BATDEAD"); - if (state->csc_mask & SS_BATWARN) - pr_debug("m32r_pcc: :BATWARN"); - if (state->csc_mask & SS_READY) - pr_debug("m32r_pcc: :READY"); - } - pr_debug("m32r_pcc: \n"); - return 0; -} /* _set_socket */ - -/*====================================================================*/ - -static int _pcc_set_io_map(u_short sock, struct pccard_io_map *io) -{ - u_char map; - - pr_debug("m32r_pcc: SetIOMap(%d, %d, %#2.2x, %d ns, " - "%#llx-%#llx)\n", sock, io->map, io->flags, - io->speed, (unsigned long long)io->start, - (unsigned long long)io->stop); - map = io->map; - - return 0; -} /* _set_io_map */ - -/*====================================================================*/ - -static int _pcc_set_mem_map(u_short sock, struct pccard_mem_map *mem) -{ - - u_char map = mem->map; - u_long mode; - u_long addr; - pcc_socket_t *t = &socket[sock]; -#ifdef CHAOS_PCC_DEBUG -#if 0 - pcc_as_t last = t->current_space; -#endif -#endif - - pr_debug("m32r_pcc: SetMemMap(%d, %d, %#2.2x, %d ns, " - "%#llx, %#x)\n", sock, map, mem->flags, - mem->speed, (unsigned long long)mem->static_start, - mem->card_start); - - /* - * sanity check - */ - if ((map > MAX_WIN) || (mem->card_start > 0x3ffffff)){ - return -EINVAL; - } - - /* - * de-activate - */ - if ((mem->flags & MAP_ACTIVE) == 0) { - t->current_space = as_none; - return 0; - } - - /* - * Disable first - */ - pcc_set(sock, PCCR, 0); - - /* - * Set mode - */ - if (mem->flags & MAP_ATTRIB) { - mode = PCMOD_AS_ATTRIB | PCMOD_CBSZ; - t->current_space = as_attr; - } else { - mode = 0; /* common memory */ - t->current_space = as_comm; - } - pcc_set(sock, PCMOD, mode); - - /* - * Set address - */ - addr = t->mapaddr + (mem->card_start & M32R_PCC_MAPMASK); - pcc_set(sock, PCADR, addr); - - mem->static_start = addr + mem->card_start; - - /* - * Enable again - */ - pcc_set(sock, PCCR, 1); - -#ifdef CHAOS_PCC_DEBUG -#if 0 - if (last != as_attr) { -#else - if (1) { -#endif - dummy_readbuf = *(u_char *)(addr + KSEG1); - } -#endif - - return 0; - -} /* _set_mem_map */ - -#if 0 /* driver model ordering issue */ -/*====================================================================== - - Routines for accessing socket information and register dumps via - /proc/bus/pccard/... - -======================================================================*/ - -static ssize_t show_info(struct class_device *class_dev, char *buf) -{ - pcc_socket_t *s = container_of(class_dev, struct pcc_socket, - socket.dev); - - return sprintf(buf, "type: %s\nbase addr: 0x%08lx\n", - pcc[s->type].name, s->base); -} - -static ssize_t show_exca(struct class_device *class_dev, char *buf) -{ - /* FIXME */ - - return 0; -} - -static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL); -static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL); -#endif - -/*====================================================================*/ - -/* this is horribly ugly... proper locking needs to be done here at - * some time... */ -#define LOCKED(x) do { \ - int retval; \ - unsigned long flags; \ - spin_lock_irqsave(&pcc_lock, flags); \ - retval = x; \ - spin_unlock_irqrestore(&pcc_lock, flags); \ - return retval; \ -} while (0) - - -static int pcc_get_status(struct pcmcia_socket *s, u_int *value) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) { - *value = 0; - return -EINVAL; - } - LOCKED(_pcc_get_status(sock, value)); -} - -static int pcc_set_socket(struct pcmcia_socket *s, socket_state_t *state) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) - return -EINVAL; - - LOCKED(_pcc_set_socket(sock, state)); -} - -static int pcc_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) - return -EINVAL; - LOCKED(_pcc_set_io_map(sock, io)); -} - -static int pcc_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem) -{ - unsigned int sock = container_of(s, struct pcc_socket, socket)->number; - - if (socket[sock].flags & IS_ALIVE) - return -EINVAL; - LOCKED(_pcc_set_mem_map(sock, mem)); -} - -static int pcc_init(struct pcmcia_socket *s) -{ - pr_debug("m32r_pcc: init call\n"); - return 0; -} - -static struct pccard_operations pcc_operations = { - .init = pcc_init, - .get_status = pcc_get_status, - .set_socket = pcc_set_socket, - .set_io_map = pcc_set_io_map, - .set_mem_map = pcc_set_mem_map, -}; - -/*====================================================================*/ - -static struct platform_driver pcc_driver = { - .driver = { - .name = "pcc", - }, -}; - -static struct platform_device pcc_device = { - .name = "pcc", - .id = 0, -}; - -/*====================================================================*/ - -static int __init init_m32r_pcc(void) -{ - int i, ret; - - ret = platform_driver_register(&pcc_driver); - if (ret) - return ret; - - ret = platform_device_register(&pcc_device); - if (ret) - goto unreg_driv; - - printk(KERN_INFO "m32r PCC probe:\n"); - - pcc_sockets = 0; - - ret = add_pcc_socket(M32R_PCC0_BASE, PCC0_IRQ, M32R_PCC0_MAPBASE, - 0x1000); - if (ret) - goto unreg_dev; - -#ifdef CONFIG_M32RPCC_SLOT2 - ret = add_pcc_socket(M32R_PCC1_BASE, PCC1_IRQ, M32R_PCC1_MAPBASE, - 0x2000); - if (ret) - goto unreg_dev; -#endif - - if (pcc_sockets == 0) { - printk("socket is not found.\n"); - ret = -ENODEV; - goto unreg_dev; - } - - /* Set up interrupt handler(s) */ - - for (i = 0 ; i < pcc_sockets ; i++) { - socket[i].socket.dev.parent = &pcc_device.dev; - socket[i].socket.ops = &pcc_operations; - socket[i].socket.resource_ops = &pccard_static_ops; - socket[i].socket.owner = THIS_MODULE; - socket[i].number = i; - ret = pcmcia_register_socket(&socket[i].socket); - if (!ret) - socket[i].flags |= IS_REGISTERED; - } - - /* Finally, schedule a polling interrupt */ - if (poll_interval != 0) { - timer_setup(&poll_timer, pcc_interrupt_wrapper, 0); - poll_timer.expires = jiffies + poll_interval; - add_timer(&poll_timer); - } - - return 0; - -unreg_dev: - platform_device_unregister(&pcc_device); -unreg_driv: - platform_driver_unregister(&pcc_driver); - return ret; -} /* init_m32r_pcc */ - -static void __exit exit_m32r_pcc(void) -{ - int i; - - for (i = 0; i < pcc_sockets; i++) - if (socket[i].flags & IS_REGISTERED) - pcmcia_unregister_socket(&socket[i].socket); - - platform_device_unregister(&pcc_device); - if (poll_interval != 0) - del_timer_sync(&poll_timer); - - platform_driver_unregister(&pcc_driver); -} /* exit_m32r_pcc */ - -module_init(init_m32r_pcc); -module_exit(exit_m32r_pcc); -MODULE_LICENSE("Dual MPL/GPL"); -/*====================================================================*/ diff --git a/drivers/pcmcia/m32r_pcc.h b/drivers/pcmcia/m32r_pcc.h deleted file mode 100644 index d99ad3864ff3..000000000000 --- a/drivers/pcmcia/m32r_pcc.h +++ /dev/null @@ -1,66 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2001 by Hiroyuki Kondo - */ - -#define M32R_MAX_PCC 2 - -/* - * M32R PC Card Controller - */ -#define M32R_PCC0_BASE 0x00ef7000 -#define M32R_PCC1_BASE 0x00ef7020 - -/* - * Register offsets - */ -#define PCCR 0x00 -#define PCADR 0x04 -#define PCMOD 0x08 -#define PCIRC 0x0c -#define PCCSIGCR 0x10 -#define PCATCR 0x14 - -/* - * PCCR - */ -#define PCCR_PCEN (1UL<<(31-31)) - -/* - * PCIRC - */ -#define PCIRC_BWERR (1UL<<(31-7)) -#define PCIRC_CDIN1 (1UL<<(31-14)) -#define PCIRC_CDIN2 (1UL<<(31-15)) -#define PCIRC_BEIEN (1UL<<(31-23)) -#define PCIRC_CIIEN (1UL<<(31-30)) -#define PCIRC_COIEN (1UL<<(31-31)) - -/* - * PCCSIGCR - */ -#define PCCSIGCR_SEN (1UL<<(31-3)) -#define PCCSIGCR_VEN (1UL<<(31-7)) -#define PCCSIGCR_CRST (1UL<<(31-15)) -#define PCCSIGCR_COCR (1UL<<(31-31)) - -/* - * - */ -#define PCMOD_AS_ATTRIB (1UL<<(31-19)) -#define PCMOD_AS_IO (1UL<<(31-18)) - -#define PCMOD_CBSZ (1UL<<(31-23)) /* set for 8bit */ - -#define PCMOD_DBEX (1UL<<(31-31)) /* set for excahnge */ - -/* - * M32R PCC Map addr - */ -#define M32R_PCC0_MAPBASE 0x14000000 -#define M32R_PCC1_MAPBASE 0x16000000 - -#define M32R_PCC_MAPMAX 0x02000000 - -#define M32R_PCC_MAPSIZE 0x00001000 /* XXX */ -#define M32R_PCC_MAPMASK (~(M32R_PCC_MAPMAX-1)) |