Logo Search packages:      
Sourcecode: linux version File versions  Download package

yenta_socket.c

/*
 * Regular cardbus driver ("yenta_socket")
 *
 * (C) Copyright 1999, 2000 Linus Torvalds
 *
 * Changelog:
 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
 *    Dynamically adjust the size of the bridge resource
 *    
 * May 2003: Dominik Brodowski <linux@brodo.de>
 *    Merge pci_socket.c and yenta.c into one file
 */
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>

#include <asm/io.h>

#include "yenta_socket.h"
#include "i82365.h"

static int disable_clkrun;
module_param(disable_clkrun, bool, 0444);
MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");

static int isa_probe = 1;
module_param(isa_probe, bool, 0444);
MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");

static int pwr_irqs_off;
module_param(pwr_irqs_off, bool, 0644);
MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");

#if 0
#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
#else
#define debug(x,args...)
#endif

/* Don't ask.. */
#define to_cycles(ns)   ((ns)/120)
#define to_ns(cycles)   ((cycles)*120)

/*
 * yenta PCI irq probing.
 * currently only used in the TI/EnE initialization code
 */
#ifdef CONFIG_YENTA_TI
static int yenta_probe_cb_irq(struct yenta_socket *socket);
#endif


static unsigned int override_bios;
module_param(override_bios, uint, 0000);
MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation");

/*
 * Generate easy-to-use ways of reading a cardbus sockets
 * regular memory space ("cb_xxx"), configuration space
 * ("config_xxx") and compatibility space ("exca_xxxx")
 */
static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
{
      u32 val = readl(socket->base + reg);
      debug("%p %04x %08x\n", socket, reg, val);
      return val;
}

static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
{
      debug("%p %04x %08x\n", socket, reg, val);
      writel(val, socket->base + reg);
      readl(socket->base + reg); /* avoid problems with PCI write posting */
}

static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
{
      u8 val;
      pci_read_config_byte(socket->dev, offset, &val);
      debug("%p %04x %02x\n", socket, offset, val);
      return val;
}

static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
{
      u16 val;
      pci_read_config_word(socket->dev, offset, &val);
      debug("%p %04x %04x\n", socket, offset, val);
      return val;
}

static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
{
      u32 val;
      pci_read_config_dword(socket->dev, offset, &val);
      debug("%p %04x %08x\n", socket, offset, val);
      return val;
}

static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
{
      debug("%p %04x %02x\n", socket, offset, val);
      pci_write_config_byte(socket->dev, offset, val);
}

static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
{
      debug("%p %04x %04x\n", socket, offset, val);
      pci_write_config_word(socket->dev, offset, val);
}

static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
{
      debug("%p %04x %08x\n", socket, offset, val);
      pci_write_config_dword(socket->dev, offset, val);
}

static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
{
      u8 val = readb(socket->base + 0x800 + reg);
      debug("%p %04x %02x\n", socket, reg, val);
      return val;
}

static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
{
      u16 val;
      val = readb(socket->base + 0x800 + reg);
      val |= readb(socket->base + 0x800 + reg + 1) << 8;
      debug("%p %04x %04x\n", socket, reg, val);
      return val;
}

static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
{
      debug("%p %04x %02x\n", socket, reg, val);
      writeb(val, socket->base + 0x800 + reg);
      readb(socket->base + 0x800 + reg); /* PCI write posting... */
}

static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
{
      debug("%p %04x %04x\n", socket, reg, val);
      writeb(val, socket->base + 0x800 + reg);
      writeb(val >> 8, socket->base + 0x800 + reg + 1);

      /* PCI write posting... */
      readb(socket->base + 0x800 + reg);
      readb(socket->base + 0x800 + reg + 1);
}

static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
{
      struct pci_dev *dev = to_pci_dev(yentadev);
      struct yenta_socket *socket = pci_get_drvdata(dev);
      int offset = 0, i;

      offset = snprintf(buf, PAGE_SIZE, "CB registers:");
      for (i = 0; i < 0x24; i += 4) {
            unsigned val;
            if (!(i & 15))
                  offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
            val = cb_readl(socket, i);
            offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
      }

      offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
      for (i = 0; i < 0x45; i++) {
            unsigned char val;
            if (!(i & 7)) {
                  if (i & 8) {
                        memcpy(buf + offset, " -", 2);
                        offset += 2;
                  } else
                        offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
            }
            val = exca_readb(socket, i);
            offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
      }
      buf[offset++] = '\n';
      return offset;
}

static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);

/*
 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
 * on what kind of card is inserted..
 */
static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
{
      struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
      unsigned int val;
      u32 state = cb_readl(socket, CB_SOCKET_STATE);

      val  = (state & CB_3VCARD) ? SS_3VCARD : 0;
      val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
      val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
      val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;


      if (state & CB_CBCARD) {
            val |= SS_CARDBUS;      
            val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
            val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
            val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
      } else if (state & CB_16BITCARD) {
            u8 status = exca_readb(socket, I365_STATUS);
            val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
            if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
                  val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
            } else {
                  val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
                  val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
            }
            val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
            val |= (status & I365_CS_READY) ? SS_READY : 0;
            val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
      }

      *value = val;
      return 0;
}

static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
{
      /* some birdges require to use the ExCA registers to power 16bit cards */
      if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
          (socket->flags & YENTA_16BIT_POWER_EXCA)) {
            u8 reg, old;
            reg = old = exca_readb(socket, I365_POWER);
            reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);

            /* i82365SL-DF style */
            if (socket->flags & YENTA_16BIT_POWER_DF) {
                  switch (state->Vcc) {
                  case 33: reg |= I365_VCC_3V; break;
                  case 50: reg |= I365_VCC_5V; break;
                  default: reg = 0; break;
                  }
                  switch (state->Vpp) {
                  case 33:
                  case 50: reg |= I365_VPP1_5V; break;
                  case 120: reg |= I365_VPP1_12V; break;
                  }
            } else {
                  /* i82365SL-B style */
                  switch (state->Vcc) {
                  case 50: reg |= I365_VCC_5V; break;
                  default: reg = 0; break;
                  }
                  switch (state->Vpp) {
                  case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
                  case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
                  }
            }

            if (reg != old)
                  exca_writeb(socket, I365_POWER, reg);
      } else {
            u32 reg = 0;      /* CB_SC_STPCLK? */
            switch (state->Vcc) {
            case 33: reg = CB_SC_VCC_3V; break;
            case 50: reg = CB_SC_VCC_5V; break;
            default: reg = 0; break;
            }
            switch (state->Vpp) {
            case 33:  reg |= CB_SC_VPP_3V; break;
            case 50:  reg |= CB_SC_VPP_5V; break;
            case 120: reg |= CB_SC_VPP_12V; break;
            }
            if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
                  cb_writel(socket, CB_SOCKET_CONTROL, reg);
      }
}

static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
{
      struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
      u16 bridge;

      /* if powering down: do it immediately */
      if (state->Vcc == 0)
            yenta_set_power(socket, state);

      socket->io_irq = state->io_irq;
      bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
      if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
            u8 intr;
            bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;

            /* ISA interrupt control? */
            intr = exca_readb(socket, I365_INTCTL);
            intr = (intr & ~0xf);
            if (!socket->cb_irq) {
                  intr |= state->io_irq;
                  bridge |= CB_BRIDGE_INTR;
            }
            exca_writeb(socket, I365_INTCTL, intr);
      }  else {
            u8 reg;

            reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
            reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
            reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
            if (state->io_irq != socket->cb_irq) {
                  reg |= state->io_irq;
                  bridge |= CB_BRIDGE_INTR;
            }
            exca_writeb(socket, I365_INTCTL, reg);

            reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
            reg |= I365_PWR_NORESET;
            if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
            if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
            if (exca_readb(socket, I365_POWER) != reg)
                  exca_writeb(socket, I365_POWER, reg);

            /* CSC interrupt: no ISA irq for CSC */
            reg = I365_CSC_DETECT;
            if (state->flags & SS_IOCARD) {
                  if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
            } else {
                  if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
                  if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
                  if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
            }
            exca_writeb(socket, I365_CSCINT, reg);
            exca_readb(socket, I365_CSC);
            if(sock->zoom_video)
                  sock->zoom_video(sock, state->flags & SS_ZVCARD);
      }
      config_writew(socket, CB_BRIDGE_CONTROL, bridge);
      /* Socket event mask: get card insert/remove events.. */
      cb_writel(socket, CB_SOCKET_EVENT, -1);
      cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);

      /* if powering up: do it as the last step when the socket is configured */
      if (state->Vcc != 0)
            yenta_set_power(socket, state);
      return 0;
}

static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
{
      struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
      int map;
      unsigned char ioctl, addr, enable;

      map = io->map;

      if (map > 1)
            return -EINVAL;

      enable = I365_ENA_IO(map);
      addr = exca_readb(socket, I365_ADDRWIN);

      /* Disable the window before changing it.. */
      if (addr & enable) {
            addr &= ~enable;
            exca_writeb(socket, I365_ADDRWIN, addr);
      }

      exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
      exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);

      ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
      if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
      if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
      if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
      exca_writeb(socket, I365_IOCTL, ioctl);

      if (io->flags & MAP_ACTIVE)
            exca_writeb(socket, I365_ADDRWIN, addr | enable);
      return 0;
}

static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
{
      struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
      struct pci_bus_region region;
      int map;
      unsigned char addr, enable;
      unsigned int start, stop, card_start;
      unsigned short word;

      pcibios_resource_to_bus(socket->dev, &region, mem->res);

      map = mem->map;
      start = region.start;
      stop = region.end;
      card_start = mem->card_start;

      if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
          (card_start >> 26) || mem->speed > 1000)
            return -EINVAL;

      enable = I365_ENA_MEM(map);
      addr = exca_readb(socket, I365_ADDRWIN);
      if (addr & enable) {
            addr &= ~enable;
            exca_writeb(socket, I365_ADDRWIN, addr);
      }

      exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);

      word = (start >> 12) & 0x0fff;
      if (mem->flags & MAP_16BIT)
            word |= I365_MEM_16BIT;
      if (mem->flags & MAP_0WS)
            word |= I365_MEM_0WS;
      exca_writew(socket, I365_MEM(map) + I365_W_START, word);

      word = (stop >> 12) & 0x0fff;
      switch (to_cycles(mem->speed)) {
            case 0: break;
            case 1:  word |= I365_MEM_WS0; break;
            case 2:  word |= I365_MEM_WS1; break;
            default: word |= I365_MEM_WS1 | I365_MEM_WS0; break;
      }
      exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);

      word = ((card_start - start) >> 12) & 0x3fff;
      if (mem->flags & MAP_WRPROT)
            word |= I365_MEM_WRPROT;
      if (mem->flags & MAP_ATTRIB)
            word |= I365_MEM_REG;
      exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);

      if (mem->flags & MAP_ACTIVE)
            exca_writeb(socket, I365_ADDRWIN, addr | enable);
      return 0;
}



static irqreturn_t yenta_interrupt(int irq, void *dev_id)
{
      unsigned int events;
      struct yenta_socket *socket = (struct yenta_socket *) dev_id;
      u8 csc;
      u32 cb_event;

      /* Clear interrupt status for the event */
      cb_event = cb_readl(socket, CB_SOCKET_EVENT);
      cb_writel(socket, CB_SOCKET_EVENT, cb_event);

      csc = exca_readb(socket, I365_CSC);

      if (!(cb_event || csc))
            return IRQ_NONE;

      events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
      events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
      if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
            events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
      } else {
            events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
            events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
            events |= (csc & I365_CSC_READY) ? SS_READY : 0;
      }

      if (events)
            pcmcia_parse_events(&socket->socket, events);

      return IRQ_HANDLED;
}

static void yenta_interrupt_wrapper(unsigned long data)
{
      struct yenta_socket *socket = (struct yenta_socket *) data;

      yenta_interrupt(0, (void *)socket);
      socket->poll_timer.expires = jiffies + HZ;
      add_timer(&socket->poll_timer);
}

static void yenta_clear_maps(struct yenta_socket *socket)
{
      int i;
      struct resource res = { .start = 0, .end = 0x0fff };
      pccard_io_map io = { 0, 0, 0, 0, 1 };
      pccard_mem_map mem = { .res = &res, };

      yenta_set_socket(&socket->socket, &dead_socket);
      for (i = 0; i < 2; i++) {
            io.map = i;
            yenta_set_io_map(&socket->socket, &io);
      }
      for (i = 0; i < 5; i++) {
            mem.map = i;
            yenta_set_mem_map(&socket->socket, &mem);
      }
}

/* redoes voltage interrogation if required */
static void yenta_interrogate(struct yenta_socket *socket)
{
      u32 state;

      state = cb_readl(socket, CB_SOCKET_STATE);
      if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
          (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
          ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
            cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
}

/* Called at resume and initialization events */
static int yenta_sock_init(struct pcmcia_socket *sock)
{
      struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);

      exca_writeb(socket, I365_GBLCTL, 0x00);
      exca_writeb(socket, I365_GENCTL, 0x00);

      /* Redo card voltage interrogation */
      yenta_interrogate(socket);

      yenta_clear_maps(socket);

      if (socket->type && socket->type->sock_init)
            socket->type->sock_init(socket);

      /* Re-enable CSC interrupts */
      cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);

      return 0;
}

static int yenta_sock_suspend(struct pcmcia_socket *sock)
{
      struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);

      /* Disable CSC interrupts */
      cb_writel(socket, CB_SOCKET_MASK, 0x0);

      return 0;
}

/*
 * Use an adaptive allocation for the memory resource,
 * sometimes the memory behind pci bridges is limited:
 * 1/8 of the size of the io window of the parent.
 * max 4 MB, min 16 kB. We try very hard to not get below
 * the "ACC" values, though.
 */
#define BRIDGE_MEM_MAX 4*1024*1024
#define BRIDGE_MEM_ACC 128*1024
#define BRIDGE_MEM_MIN 16*1024

#define BRIDGE_IO_MAX 512
#define BRIDGE_IO_ACC 256
#define BRIDGE_IO_MIN 32

#ifndef PCIBIOS_MIN_CARDBUS_IO
#define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
#endif

static int yenta_search_one_res(struct resource *root, struct resource *res,
                        u32 min)
{
      u32 align, size, start, end;

      if (res->flags & IORESOURCE_IO) {
            align = 1024;
            size = BRIDGE_IO_MAX;
            start = PCIBIOS_MIN_CARDBUS_IO;
            end = ~0U;
      } else {
            unsigned long avail = root->end - root->start;
            int i;
            size = BRIDGE_MEM_MAX;
            if (size > avail/8) {
                  size=(avail+1)/8;
                  /* round size down to next power of 2 */
                  i = 0;
                  while ((size /= 2) != 0)
                        i++;
                  size = 1 << i;
            }
            if (size < min)
                  size = min;
            align = size;
            start = PCIBIOS_MIN_MEM;
            end = ~0U;
      }

      do {
            if (allocate_resource(root, res, size, start, end, align,
                              NULL, NULL)==0) {
                  return 1;
            }
            size = size/2;
            align = size;
      } while (size >= min);

      return 0;
}


static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
                      u32 min)
{
      int i;
      for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
            struct resource * root = socket->dev->bus->resource[i];
            if (!root)
                  continue;

            if ((res->flags ^ root->flags) &
                (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
                  continue; /* Wrong type */

            if (yenta_search_one_res(root, res, min))
                  return 1;
      }
      return 0;
}

static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
{
      struct resource *root, *res;
      struct pci_bus_region region;
      unsigned mask;

      res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr;
      /* Already allocated? */
      if (res->parent)
            return 0;

      /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
      mask = ~0xfff;
      if (type & IORESOURCE_IO)
            mask = ~3;

      res->name = socket->dev->subordinate->name;
      res->flags = type;

      region.start = config_readl(socket, addr_start) & mask;
      region.end = config_readl(socket, addr_end) | ~mask;
      if (region.start && region.end > region.start && !override_bios) {
            pcibios_bus_to_resource(socket->dev, res, &region);
            root = pci_find_parent_resource(socket->dev, res);
            if (root && (request_resource(root, res) == 0))
                  return 0;
            printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n",
                        pci_name(socket->dev), nr);
      }

      if (type & IORESOURCE_IO) {
            if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
                (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
                (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
                  return 1;
      } else {
            if (type & IORESOURCE_PREFETCH) {
                  if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
                      (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
                      (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
                        return 1;
                  /* Approximating prefetchable by non-prefetchable */
                  res->flags = IORESOURCE_MEM;
            }
            if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
                (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
                (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
                  return 1;
      }

      printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n",
             pci_name(socket->dev), type);
      res->start = res->end = res->flags = 0;
      return 0;
}

/*
 * Allocate the bridge mappings for the device..
 */
static void yenta_allocate_resources(struct yenta_socket *socket)
{
      int program = 0;
      program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
                     PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
      program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
                     PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
      program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
                     PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
      program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
                     PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
      if (program)
            pci_setup_cardbus(socket->dev->subordinate);
}


/*
 * Free the bridge mappings for the device..
 */
static void yenta_free_resources(struct yenta_socket *socket)
{
      int i;
      for (i=0;i<4;i++) {
            struct resource *res;
            res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
            if (res->start != 0 && res->end != 0)
                  release_resource(res);
            res->start = res->end = res->flags = 0;
      }
}


/*
 * Close it down - release our resources and go home..
 */
static void yenta_close(struct pci_dev *dev)
{
      struct yenta_socket *sock = pci_get_drvdata(dev);

      /* Remove the register attributes */
      device_remove_file(&dev->dev, &dev_attr_yenta_registers);

      /* we don't want a dying socket registered */
      pcmcia_unregister_socket(&sock->socket);
      
      /* Disable all events so we don't die in an IRQ storm */
      cb_writel(sock, CB_SOCKET_MASK, 0x0);
      exca_writeb(sock, I365_CSCINT, 0);

      if (sock->cb_irq)
            free_irq(sock->cb_irq, sock);
      else
            del_timer_sync(&sock->poll_timer);

      if (sock->base)
            iounmap(sock->base);
      yenta_free_resources(sock);

      pci_release_regions(dev);
      pci_disable_device(dev);
      pci_set_drvdata(dev, NULL);
}


static struct pccard_operations yenta_socket_operations = {
      .init             = yenta_sock_init,
      .suspend          = yenta_sock_suspend,
      .get_status       = yenta_get_status,
      .set_socket       = yenta_set_socket,
      .set_io_map       = yenta_set_io_map,
      .set_mem_map            = yenta_set_mem_map,
};


#ifdef CONFIG_YENTA_TI
#include "ti113x.h"
#endif
#ifdef CONFIG_YENTA_RICOH
#include "ricoh.h"
#endif
#ifdef CONFIG_YENTA_TOSHIBA
#include "topic.h"
#endif
#ifdef CONFIG_YENTA_O2
#include "o2micro.h"
#endif

enum {
      CARDBUS_TYPE_DEFAULT = -1,
      CARDBUS_TYPE_TI,
      CARDBUS_TYPE_TI113X,
      CARDBUS_TYPE_TI12XX,
      CARDBUS_TYPE_TI1250,
      CARDBUS_TYPE_RICOH,
      CARDBUS_TYPE_TOPIC95,
      CARDBUS_TYPE_TOPIC97,
      CARDBUS_TYPE_O2MICRO,
      CARDBUS_TYPE_ENE,
};

/*
 * Different cardbus controllers have slightly different
 * initialization sequences etc details. List them here..
 */
static struct cardbus_type cardbus_type[] = {
#ifdef CONFIG_YENTA_TI
      [CARDBUS_TYPE_TI] = {
            .override   = ti_override,
            .save_state = ti_save_state,
            .restore_state    = ti_restore_state,
            .sock_init  = ti_init,
      },
      [CARDBUS_TYPE_TI113X]   = {
            .override   = ti113x_override,
            .save_state = ti_save_state,
            .restore_state    = ti_restore_state,
            .sock_init  = ti_init,
      },
      [CARDBUS_TYPE_TI12XX]   = {
            .override   = ti12xx_override,
            .save_state = ti_save_state,
            .restore_state    = ti_restore_state,
            .sock_init  = ti_init,
      },
      [CARDBUS_TYPE_TI1250]   = {
            .override   = ti1250_override,
            .save_state = ti_save_state,
            .restore_state    = ti_restore_state,
            .sock_init  = ti_init,
      },
#endif
#ifdef CONFIG_YENTA_RICOH
      [CARDBUS_TYPE_RICOH]    = {
            .override   = ricoh_override,
            .save_state = ricoh_save_state,
            .restore_state    = ricoh_restore_state,
      },
#endif
#ifdef CONFIG_YENTA_TOSHIBA
      [CARDBUS_TYPE_TOPIC95]  = {
            .override   = topic95_override,
      },
      [CARDBUS_TYPE_TOPIC97]  = {
            .override   = topic97_override,
      },
#endif
#ifdef CONFIG_YENTA_O2
      [CARDBUS_TYPE_O2MICRO]  = {
            .override   = o2micro_override,
            .restore_state    = o2micro_restore_state,
      },
#endif
#ifdef CONFIG_YENTA_TI
      [CARDBUS_TYPE_ENE]      = {
            .override   = ene_override,
            .save_state = ti_save_state,
            .restore_state    = ti_restore_state,
            .sock_init  = ti_init,
      },
#endif
};


/*
 * Only probe "regular" interrupts, don't
 * touch dangerous spots like the mouse irq,
 * because there are mice that apparently
 * get really confused if they get fondled
 * too intimately.
 *
 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
 */
static u32 isa_interrupts = 0x0ef8;

static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
{
      int i;
      unsigned long val;
      u32 mask;

      /*
       * Probe for usable interrupts using the force
       * register to generate bogus card status events.
       */
      cb_writel(socket, CB_SOCKET_EVENT, -1);
      cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
      exca_writeb(socket, I365_CSCINT, 0);
      val = probe_irq_on() & isa_irq_mask;
      for (i = 1; i < 16; i++) {
            if (!((val >> i) & 1))
                  continue;
            exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
            cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
            udelay(100);
            cb_writel(socket, CB_SOCKET_EVENT, -1);
      }
      cb_writel(socket, CB_SOCKET_MASK, 0);
      exca_writeb(socket, I365_CSCINT, 0);

      mask = probe_irq_mask(val) & 0xffff;

      return mask;
}


/*
 * yenta PCI irq probing.
 * currently only used in the TI/EnE initialization code
 */
#ifdef CONFIG_YENTA_TI

/* interrupt handler, only used during probing */
static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
{
      struct yenta_socket *socket = (struct yenta_socket *) dev_id;
      u8 csc;
        u32 cb_event;

      /* Clear interrupt status for the event */
      cb_event = cb_readl(socket, CB_SOCKET_EVENT);
      cb_writel(socket, CB_SOCKET_EVENT, -1);
      csc = exca_readb(socket, I365_CSC);

      if (cb_event || csc) {
            socket->probe_status = 1;
            return IRQ_HANDLED;
      }

      return IRQ_NONE;
}

/* probes the PCI interrupt, use only on override functions */
static int yenta_probe_cb_irq(struct yenta_socket *socket)
{
      if (!socket->cb_irq)
            return -1;

      socket->probe_status = 0;

      if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
            printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n");
            return -1;
      }

      /* generate interrupt, wait */
      exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
      cb_writel(socket, CB_SOCKET_EVENT, -1);
      cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
      cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);

      msleep(100);

      /* disable interrupts */
      cb_writel(socket, CB_SOCKET_MASK, 0);
      exca_writeb(socket, I365_CSCINT, 0);
      cb_writel(socket, CB_SOCKET_EVENT, -1);
      exca_readb(socket, I365_CSC);

      free_irq(socket->cb_irq, socket);

      return (int) socket->probe_status;
}

#endif /* CONFIG_YENTA_TI */


/*
 * Set static data that doesn't need re-initializing..
 */
static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
{
      socket->socket.pci_irq = socket->cb_irq;
      if (isa_probe)
            socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
      else
            socket->socket.irq_mask = 0;

      printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n",
             socket->socket.irq_mask, socket->cb_irq);
}

/*
 * Initialize the standard cardbus registers
 */
static void yenta_config_init(struct yenta_socket *socket)
{
      u16 bridge;
      struct pci_dev *dev = socket->dev;
      struct pci_bus_region region;

      pcibios_resource_to_bus(socket->dev, &region, &dev->resource[0]);

      config_writel(socket, CB_LEGACY_MODE_BASE, 0);
      config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
      config_writew(socket, PCI_COMMAND,
                  PCI_COMMAND_IO |
                  PCI_COMMAND_MEMORY |
                  PCI_COMMAND_MASTER |
                  PCI_COMMAND_WAIT);

      /* MAGIC NUMBERS! Fixme */
      config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
      config_writeb(socket, PCI_LATENCY_TIMER, 168);
      config_writel(socket, PCI_PRIMARY_BUS,
            (176 << 24) |                    /* sec. latency timer */
            (dev->subordinate->subordinate << 16) | /* subordinate bus */
            (dev->subordinate->secondary << 8) |  /* secondary bus */
            dev->subordinate->primary);            /* primary bus */

      /*
       * Set up the bridging state:
       *  - enable write posting.
       *  - memory window 0 prefetchable, window 1 non-prefetchable
       *  - PCI interrupts enabled if a PCI interrupt exists..
       */
      bridge = config_readw(socket, CB_BRIDGE_CONTROL);
      bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
      bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
      config_writew(socket, CB_BRIDGE_CONTROL, bridge);
}

/**
 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
 *
 * Checks if devices on the bus which the CardBus bridge bridges to would be
 * invisible during PCI scans because of a misconfigured subordinate number
 * of the parent brige - some BIOSes seem to be too lazy to set it right.
 * Does the fixup carefully by checking how far it can go without conflicts.
 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
 */
static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
{
      struct list_head *tmp;
      unsigned char upper_limit;
      /*
       * We only check and fix the parent bridge: All systems which need
       * this fixup that have been reviewed are laptops and the only bridge
       * which needed fixing was the parent bridge of the CardBus bridge:
       */
      struct pci_bus *bridge_to_fix = cardbus_bridge->parent;

      /* Check bus numbers are already set up correctly: */
      if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
            return; /* The subordinate number is ok, nothing to do */

      if (!bridge_to_fix->parent)
            return; /* Root bridges are ok */

      /* stay within the limits of the bus range of the parent: */
      upper_limit = bridge_to_fix->parent->subordinate;

      /* check the bus ranges of all silbling bridges to prevent overlap */
      list_for_each(tmp, &bridge_to_fix->parent->children) {
            struct pci_bus * silbling = pci_bus_b(tmp);
            /*
             * If the silbling has a higher secondary bus number
             * and it's secondary is equal or smaller than our
             * current upper limit, set the new upper limit to
             * the bus number below the silbling's range:
             */
            if (silbling->secondary > bridge_to_fix->subordinate
                && silbling->secondary <= upper_limit)
                  upper_limit = silbling->secondary - 1;
      }

      /* Show that the wanted subordinate number is not possible: */
      if (cardbus_bridge->subordinate > upper_limit)
            printk(KERN_WARNING "Yenta: Upper limit for fixing this "
                  "bridge's parent bridge: #%02x\n", upper_limit);

      /* If we have room to increase the bridge's subordinate number, */
      if (bridge_to_fix->subordinate < upper_limit) {

            /* use the highest number of the hidden bus, within limits */
            unsigned char subordinate_to_assign =
                  min(cardbus_bridge->subordinate, upper_limit);

            printk(KERN_INFO "Yenta: Raising subordinate bus# of parent "
                  "bus (#%02x) from #%02x to #%02x\n",
                  bridge_to_fix->number,
                  bridge_to_fix->subordinate, subordinate_to_assign);

            /* Save the new subordinate in the bus struct of the bridge */
            bridge_to_fix->subordinate = subordinate_to_assign;

            /* and update the PCI config space with the new subordinate */
            pci_write_config_byte(bridge_to_fix->self,
                  PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
      }
}

/*
 * Initialize a cardbus controller. Make sure we have a usable
 * interrupt, and that we can map the cardbus area. Fill in the
 * socket information structure..
 */
static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id)
{
      struct yenta_socket *socket;
      int ret;

      /*
       * If we failed to assign proper bus numbers for this cardbus
       * controller during PCI probe, its subordinate pci_bus is NULL.
       * Bail out if so.
       */
      if (!dev->subordinate) {
            printk(KERN_ERR "Yenta: no bus associated with %s! "
                  "(try 'pci=assign-busses')\n", pci_name(dev));
            return -ENODEV;
      }

      socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
      if (!socket)
            return -ENOMEM;

      /* prepare pcmcia_socket */
      socket->socket.ops = &yenta_socket_operations;
      socket->socket.resource_ops = &pccard_nonstatic_ops;
      socket->socket.dev.parent = &dev->dev;
      socket->socket.driver_data = socket;
      socket->socket.owner = THIS_MODULE;
      socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
      socket->socket.map_size = 0x1000;
      socket->socket.cb_dev = dev;

      /* prepare struct yenta_socket */
      socket->dev = dev;
      pci_set_drvdata(dev, socket);

      /*
       * Do some basic sanity checking..
       */
      if (pci_enable_device(dev)) {
            ret = -EBUSY;
            goto free;
      }

      ret = pci_request_regions(dev, "yenta_socket");
      if (ret)
            goto disable;

      if (!pci_resource_start(dev, 0)) {
            printk(KERN_ERR "No cardbus resource!\n");
            ret = -ENODEV;
            goto release;
      }

      /*
       * Ok, start setup.. Map the cardbus registers,
       * and request the IRQ.
       */
      socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
      if (!socket->base) {
            ret = -ENOMEM;
            goto release;
      }

      /*
       * report the subsystem vendor and device for help debugging
       * the irq stuff...
       */
      printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n",
            pci_name(dev), dev->subsystem_vendor, dev->subsystem_device);

      yenta_config_init(socket);

      /* Disable all events */
      cb_writel(socket, CB_SOCKET_MASK, 0x0);

      /* Set up the bridge regions.. */
      yenta_allocate_resources(socket);

      socket->cb_irq = dev->irq;

      /* Do we have special options for the device? */
      if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
          id->driver_data < ARRAY_SIZE(cardbus_type)) {
            socket->type = &cardbus_type[id->driver_data];

            ret = socket->type->override(socket);
            if (ret < 0)
                  goto unmap;
      }

      /* We must finish initialization here */

      if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
            /* No IRQ or request_irq failed. Poll */
            socket->cb_irq = 0; /* But zero is a valid IRQ number. */
            init_timer(&socket->poll_timer);
            socket->poll_timer.function = yenta_interrupt_wrapper;
            socket->poll_timer.data = (unsigned long)socket;
            socket->poll_timer.expires = jiffies + HZ;
            add_timer(&socket->poll_timer);
            printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n"
                   KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
      } else {
            socket->socket.features |= SS_CAP_CARDBUS;
      }

      /* Figure out what the dang thing can do for the PCMCIA layer... */
      yenta_interrogate(socket);
      yenta_get_socket_capabilities(socket, isa_interrupts);
      printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));

      yenta_fixup_parent_bridge(dev->subordinate);

      /* Register it with the pcmcia layer.. */
      ret = pcmcia_register_socket(&socket->socket);
      if (ret == 0) {
            /* Add the yenta register attributes */
            ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
            if (ret == 0)
                  goto out;

            /* error path... */
            pcmcia_unregister_socket(&socket->socket);
      }

 unmap:
      iounmap(socket->base);
 release:
      pci_release_regions(dev);
 disable:
      pci_disable_device(dev);
 free:
      kfree(socket);
 out:
      return ret;
}

#ifdef CONFIG_PM
static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
{
      struct yenta_socket *socket = pci_get_drvdata(dev);
      int ret;

      ret = pcmcia_socket_dev_suspend(&dev->dev, state);

      if (socket) {
            if (socket->type && socket->type->save_state)
                  socket->type->save_state(socket);

            /* FIXME: pci_save_state needs to have a better interface */
            pci_save_state(dev);
            pci_read_config_dword(dev, 16*4, &socket->saved_state[0]);
            pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
            pci_disable_device(dev);

            /*
             * Some laptops (IBM T22) do not like us putting the Cardbus
             * bridge into D3.  At a guess, some other laptop will
             * probably require this, so leave it commented out for now.
             */
            /* pci_set_power_state(dev, 3); */
      }

      return ret;
}


static int yenta_dev_resume (struct pci_dev *dev)
{
      struct yenta_socket *socket = pci_get_drvdata(dev);

      if (socket) {
            int rc;

            pci_set_power_state(dev, 0);
            /* FIXME: pci_restore_state needs to have a better interface */
            pci_restore_state(dev);
            pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
            pci_write_config_dword(dev, 17*4, socket->saved_state[1]);

            rc = pci_enable_device(dev);
            if (rc)
                  return rc;

            pci_set_master(dev);

            if (socket->type && socket->type->restore_state)
                  socket->type->restore_state(socket);
      }

      return pcmcia_socket_dev_resume(&dev->dev);
}
#endif

#define CB_ID(vend,dev,type)                    \
      {                                   \
            .vendor           = vend,                 \
            .device           = dev,                  \
            .subvendor  = PCI_ANY_ID,           \
            .subdevice  = PCI_ANY_ID,           \
            .class            = PCI_CLASS_BRIDGE_CARDBUS << 8, \
            .class_mask = ~0,             \
            .driver_data      = CARDBUS_TYPE_##type,  \
      }

static struct pci_device_id yenta_table [] = {
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),

      /*
       * TBD: Check if these TI variants can use more
       * advanced overrides instead.  (I can't get the
       * data sheets for these devices. --rmk)
       */
#ifdef CONFIG_YENTA_TI
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),

      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),

      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),

      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),

      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
      CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),

      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
      CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
#endif /* CONFIG_YENTA_TI */

#ifdef CONFIG_YENTA_RICOH
      CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
      CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
      CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
      CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
      CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
#endif

#ifdef CONFIG_YENTA_TOSHIBA
      CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
      CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
      CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
#endif

#ifdef CONFIG_YENTA_O2
      CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
#endif

      /* match any cardbus bridge */
      CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
      { /* all zeroes */ }
};
MODULE_DEVICE_TABLE(pci, yenta_table);


static struct pci_driver yenta_cardbus_driver = {
      .name       = "yenta_cardbus",
      .id_table   = yenta_table,
      .probe            = yenta_probe,
      .remove           = __devexit_p(yenta_close),
#ifdef CONFIG_PM
      .suspend    = yenta_dev_suspend,
      .resume           = yenta_dev_resume,
#endif
};


static int __init yenta_socket_init(void)
{
      return pci_register_driver (&yenta_cardbus_driver);
}


static void __exit yenta_socket_exit (void)
{
      pci_unregister_driver (&yenta_cardbus_driver);
}


module_init(yenta_socket_init);
module_exit(yenta_socket_exit);

MODULE_LICENSE("GPL");

Generated by  Doxygen 1.6.0   Back to index