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serial_cs.c

/*======================================================================

    A driver for PCMCIA serial devices

    serial_cs.c 1.134 2002/05/04 05:48:53

    The contents of this file are subject to the Mozilla Public
    License Version 1.1 (the "License"); you may not use this file
    except in compliance with the License. You may obtain a copy of
    the License at http://www.mozilla.org/MPL/

    Software distributed under the License is distributed on an "AS
    IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
    implied. See the License for the specific language governing
    rights and limitations under the License.

    The initial developer of the original code is David A. Hinds
    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.

    Alternatively, the contents of this file may be used under the
    terms of the GNU General Public License version 2 (the "GPL"), in which
    case the provisions of the GPL are applicable instead of the
    above.  If you wish to allow the use of your version of this file
    only under the terms of the GPL and not to allow others to use
    your version of this file under the MPL, indicate your decision
    by deleting the provisions above and replace them with the notice
    and other provisions required by the GPL.  If you do not delete
    the provisions above, a recipient may use your version of this
    file under either the MPL or the GPL.
    
======================================================================*/

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/serial_core.h>
#include <linux/delay.h>
#include <linux/major.h>
#include <asm/io.h>
#include <asm/system.h>

#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ciscode.h>
#include <pcmcia/ds.h>
#include <pcmcia/cisreg.h>

#include "8250.h"

#ifdef PCMCIA_DEBUG
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0644);
#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
static char *version = "serial_cs.c 1.134 2002/05/04 05:48:53 (David Hinds)";
#else
#define DEBUG(n, args...)
#endif

/*====================================================================*/

/* Parameters that can be set with 'insmod' */

/* Enable the speaker? */
static int do_sound = 1;
/* Skip strict UART tests? */
static int buggy_uart;

module_param(do_sound, int, 0444);
module_param(buggy_uart, int, 0444);

/*====================================================================*/

/* Table of multi-port card ID's */

struct serial_quirk {
      unsigned int manfid;
      unsigned int prodid;
      int multi;        /* 1 = multifunction, > 1 = # ports */
      void (*config)(struct pcmcia_device *);
      void (*setup)(struct pcmcia_device *, struct uart_port *);
      void (*wakeup)(struct pcmcia_device *);
      int (*post)(struct pcmcia_device *);
};

struct serial_info {
      struct pcmcia_device    *p_dev;
      int               ndev;
      int               multi;
      int               slave;
      int               manfid;
      int               prodid;
      int               c950ctrl;
      dev_node_t        node[4];
      int               line[4];
      const struct serial_quirk *quirk;
};

struct serial_cfg_mem {
      tuple_t tuple;
      cisparse_t parse;
      u_char buf[256];
};

/*
 * vers_1 5.0, "Brain Boxes", "2-Port RS232 card", "r6"
 * manfid 0x0160, 0x0104
 * This card appears to have a 14.7456MHz clock.
 */
static void quirk_setup_brainboxes_0104(struct pcmcia_device *link, struct uart_port *port)
{
      port->uartclk = 14745600;
}

static int quirk_post_ibm(struct pcmcia_device *link)
{
      conf_reg_t reg = { 0, CS_READ, 0x800, 0 };
      int last_ret, last_fn;

      last_ret = pcmcia_access_configuration_register(link, &reg);
      if (last_ret) {
            last_fn = AccessConfigurationRegister;
            goto cs_failed;
      }
      reg.Action = CS_WRITE;
      reg.Value = reg.Value | 1;
      last_ret = pcmcia_access_configuration_register(link, &reg);
      if (last_ret) {
            last_fn = AccessConfigurationRegister;
            goto cs_failed;
      }
      return 0;

 cs_failed:
      cs_error(link, last_fn, last_ret);
      return -ENODEV;
}

/*
 * Nokia cards are not really multiport cards.  Shouldn't this
 * be handled by setting the quirk entry .multi = 0 | 1 ?
 */
static void quirk_config_nokia(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;

      if (info->multi > 1)
            info->multi = 1;
}

static void quirk_wakeup_oxsemi(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;

      outb(12, info->c950ctrl + 1);
}

/* request_region? oxsemi branch does no request_region too... */
/*
 * This sequence is needed to properly initialize MC45 attached to OXCF950.
 * I tried decreasing these msleep()s, but it worked properly (survived
 * 1000 stop/start operations) with these timeouts (or bigger).
 */
static void quirk_wakeup_possio_gcc(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;
      unsigned int ctrl = info->c950ctrl;

      outb(0xA, ctrl + 1);
      msleep(100);
      outb(0xE, ctrl + 1);
      msleep(300);
      outb(0xC, ctrl + 1);
      msleep(100);
      outb(0xE, ctrl + 1);
      msleep(200);
      outb(0xF, ctrl + 1);
      msleep(100);
      outb(0xE, ctrl + 1);
      msleep(100);
      outb(0xC, ctrl + 1);
}

/*
 * Socket Dual IO: this enables irq's for second port
 */
static void quirk_config_socket(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;

      if (info->multi) {
            link->conf.Present |= PRESENT_EXT_STATUS;
            link->conf.ExtStatus = ESR_REQ_ATTN_ENA;
      }
}

static const struct serial_quirk quirks[] = {
      {
            .manfid     = 0x0160,
            .prodid     = 0x0104,
            .multi      = -1,
            .setup      = quirk_setup_brainboxes_0104,
      }, {
            .manfid     = MANFID_IBM,
            .prodid     = ~0,
            .multi      = -1,
            .post = quirk_post_ibm,
      }, {
            .manfid     = MANFID_INTEL,
            .prodid     = PRODID_INTEL_DUAL_RS232,
            .multi      = 2,
      }, {
            .manfid     = MANFID_NATINST,
            .prodid     = PRODID_NATINST_QUAD_RS232,
            .multi      = 4,
      }, {
            .manfid     = MANFID_NOKIA,
            .prodid     = ~0,
            .multi      = -1,
            .config     = quirk_config_nokia,
      }, {
            .manfid     = MANFID_OMEGA,
            .prodid     = PRODID_OMEGA_QSP_100,
            .multi      = 4,
      }, {
            .manfid     = MANFID_OXSEMI,
            .prodid     = ~0,
            .multi      = -1,
            .wakeup     = quirk_wakeup_oxsemi,
      }, {
            .manfid     = MANFID_POSSIO,
            .prodid     = PRODID_POSSIO_GCC,
            .multi      = -1,
            .wakeup     = quirk_wakeup_possio_gcc,
      }, {
            .manfid     = MANFID_QUATECH,
            .prodid     = PRODID_QUATECH_DUAL_RS232,
            .multi      = 2,
      }, {
            .manfid     = MANFID_QUATECH,
            .prodid     = PRODID_QUATECH_DUAL_RS232_D1,
            .multi      = 2,
      }, {
            .manfid     = MANFID_QUATECH,
            .prodid     = PRODID_QUATECH_DUAL_RS232_G,
            .multi      = 2,
      }, {
            .manfid     = MANFID_QUATECH,
            .prodid     = PRODID_QUATECH_QUAD_RS232,
            .multi      = 4,
      }, {
            .manfid     = MANFID_SOCKET,
            .prodid     = PRODID_SOCKET_DUAL_RS232,
            .multi      = 2,
            .config     = quirk_config_socket,
      }, {
            .manfid     = MANFID_SOCKET,
            .prodid     = ~0,
            .multi      = -1,
            .config     = quirk_config_socket,
      }
};


static int serial_config(struct pcmcia_device * link);


/*======================================================================

    After a card is removed, serial_remove() will unregister
    the serial device(s), and release the PCMCIA configuration.
    
======================================================================*/

static void serial_remove(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;
      int i;

      DEBUG(0, "serial_release(0x%p)\n", link);

      /*
       * Recheck to see if the device is still configured.
       */
      for (i = 0; i < info->ndev; i++)
            serial8250_unregister_port(info->line[i]);

      info->p_dev->dev_node = NULL;

      if (!info->slave)
            pcmcia_disable_device(link);
}

static int serial_suspend(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;
      int i;

      for (i = 0; i < info->ndev; i++)
            serial8250_suspend_port(info->line[i]);

      return 0;
}

static int serial_resume(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;
      int i;

      for (i = 0; i < info->ndev; i++)
            serial8250_resume_port(info->line[i]);

      if (info->quirk && info->quirk->wakeup)
            info->quirk->wakeup(link);

      return 0;
}

/*======================================================================

    serial_attach() creates an "instance" of the driver, allocating
    local data structures for one device.  The device is registered
    with Card Services.

======================================================================*/

static int serial_probe(struct pcmcia_device *link)
{
      struct serial_info *info;

      DEBUG(0, "serial_attach()\n");

      /* Create new serial device */
      info = kzalloc(sizeof (*info), GFP_KERNEL);
      if (!info)
            return -ENOMEM;
      info->p_dev = link;
      link->priv = info;

      link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
      link->io.NumPorts1 = 8;
      link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
      link->irq.IRQInfo1 = IRQ_LEVEL_ID;
      link->conf.Attributes = CONF_ENABLE_IRQ;
      if (do_sound) {
            link->conf.Attributes |= CONF_ENABLE_SPKR;
            link->conf.Status = CCSR_AUDIO_ENA;
      }
      link->conf.IntType = INT_MEMORY_AND_IO;

      return serial_config(link);
}

/*======================================================================

    This deletes a driver "instance".  The device is de-registered
    with Card Services.  If it has been released, all local data
    structures are freed.  Otherwise, the structures will be freed
    when the device is released.

======================================================================*/

static void serial_detach(struct pcmcia_device *link)
{
      struct serial_info *info = link->priv;

      DEBUG(0, "serial_detach(0x%p)\n", link);

      /*
       * Ensure any outstanding scheduled tasks are completed.
       */
      flush_scheduled_work();

      /*
       * Ensure that the ports have been released.
       */
      serial_remove(link);

      /* free bits */
      kfree(info);
}

/*====================================================================*/

static int setup_serial(struct pcmcia_device *handle, struct serial_info * info,
                  kio_addr_t iobase, int irq)
{
      struct uart_port port;
      int line;

      memset(&port, 0, sizeof (struct uart_port));
      port.iobase = iobase;
      port.irq = irq;
      port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
      port.uartclk = 1843200;
      port.dev = &handle_to_dev(handle);
      if (buggy_uart)
            port.flags |= UPF_BUGGY_UART;

      if (info->quirk && info->quirk->setup)
            info->quirk->setup(handle, &port);

      line = serial8250_register_port(&port);
      if (line < 0) {
            printk(KERN_NOTICE "serial_cs: serial8250_register_port() at "
                   "0x%04lx, irq %d failed\n", (u_long)iobase, irq);
            return -EINVAL;
      }

      info->line[info->ndev] = line;
      sprintf(info->node[info->ndev].dev_name, "ttyS%d", line);
      info->node[info->ndev].major = TTY_MAJOR;
      info->node[info->ndev].minor = 0x40 + line;
      if (info->ndev > 0)
            info->node[info->ndev - 1].next = &info->node[info->ndev];
      info->ndev++;

      return 0;
}

/*====================================================================*/

static int
first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
{
      int i;
      i = pcmcia_get_first_tuple(handle, tuple);
      if (i != CS_SUCCESS)
            return CS_NO_MORE_ITEMS;
      i = pcmcia_get_tuple_data(handle, tuple);
      if (i != CS_SUCCESS)
            return i;
      return pcmcia_parse_tuple(handle, tuple, parse);
}

static int
next_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
{
      int i;
      i = pcmcia_get_next_tuple(handle, tuple);
      if (i != CS_SUCCESS)
            return CS_NO_MORE_ITEMS;
      i = pcmcia_get_tuple_data(handle, tuple);
      if (i != CS_SUCCESS)
            return i;
      return pcmcia_parse_tuple(handle, tuple, parse);
}

/*====================================================================*/

static int simple_config(struct pcmcia_device *link)
{
      static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
      static const int size_table[2] = { 8, 16 };
      struct serial_info *info = link->priv;
      struct serial_cfg_mem *cfg_mem;
      tuple_t *tuple;
      u_char *buf;
      cisparse_t *parse;
      cistpl_cftable_entry_t *cf;
      config_info_t config;
      int i, j, try;
      int s;

      cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL);
      if (!cfg_mem)
            return -1;

      tuple = &cfg_mem->tuple;
      parse = &cfg_mem->parse;
      cf = &parse->cftable_entry;
      buf = cfg_mem->buf;

      /* If the card is already configured, look up the port and irq */
      i = pcmcia_get_configuration_info(link, &config);
      if ((i == CS_SUCCESS) && (config.Attributes & CONF_VALID_CLIENT)) {
            kio_addr_t port = 0;
            if ((config.BasePort2 != 0) && (config.NumPorts2 == 8)) {
                  port = config.BasePort2;
                  info->slave = 1;
            } else if ((info->manfid == MANFID_OSITECH) &&
                     (config.NumPorts1 == 0x40)) {
                  port = config.BasePort1 + 0x28;
                  info->slave = 1;
            }
            if (info->slave) {
                  kfree(cfg_mem);
                  return setup_serial(link, info, port, config.AssignedIRQ);
            }
      }

      /* First pass: look for a config entry that looks normal. */
      tuple->TupleData = (cisdata_t *) buf;
      tuple->TupleOffset = 0;
      tuple->TupleDataMax = 255;
      tuple->Attributes = 0;
      tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;
      /* Two tries: without IO aliases, then with aliases */
      for (s = 0; s < 2; s++) {
            for (try = 0; try < 2; try++) {
                  i = first_tuple(link, tuple, parse);
                  while (i != CS_NO_MORE_ITEMS) {
                        if (i != CS_SUCCESS)
                              goto next_entry;
                        if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
                              link->conf.Vpp =
                                  cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
                        if ((cf->io.nwin > 0) && (cf->io.win[0].len == size_table[s]) &&
                                  (cf->io.win[0].base != 0)) {
                              link->conf.ConfigIndex = cf->index;
                              link->io.BasePort1 = cf->io.win[0].base;
                              link->io.IOAddrLines = (try == 0) ?
                                  16 : cf->io.flags & CISTPL_IO_LINES_MASK;
                              i = pcmcia_request_io(link, &link->io);
                              if (i == CS_SUCCESS)
                                    goto found_port;
                        }
next_entry:
                        i = next_tuple(link, tuple, parse);
                  }
            }
      }
      /* Second pass: try to find an entry that isn't picky about
         its base address, then try to grab any standard serial port
         address, and finally try to get any free port. */
      i = first_tuple(link, tuple, parse);
      while (i != CS_NO_MORE_ITEMS) {
            if ((i == CS_SUCCESS) && (cf->io.nwin > 0) &&
                ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
                  link->conf.ConfigIndex = cf->index;
                  for (j = 0; j < 5; j++) {
                        link->io.BasePort1 = base[j];
                        link->io.IOAddrLines = base[j] ? 16 : 3;
                        i = pcmcia_request_io(link, &link->io);
                        if (i == CS_SUCCESS)
                              goto found_port;
                  }
            }
            i = next_tuple(link, tuple, parse);
      }

      found_port:
      if (i != CS_SUCCESS) {
            printk(KERN_NOTICE
                   "serial_cs: no usable port range found, giving up\n");
            cs_error(link, RequestIO, i);
            kfree(cfg_mem);
            return -1;
      }

      i = pcmcia_request_irq(link, &link->irq);
      if (i != CS_SUCCESS) {
            cs_error(link, RequestIRQ, i);
            link->irq.AssignedIRQ = 0;
      }
      if (info->multi && (info->manfid == MANFID_3COM))
            link->conf.ConfigIndex &= ~(0x08);

      /*
       * Apply any configuration quirks.
       */
      if (info->quirk && info->quirk->config)
            info->quirk->config(link);

      i = pcmcia_request_configuration(link, &link->conf);
      if (i != CS_SUCCESS) {
            cs_error(link, RequestConfiguration, i);
            kfree(cfg_mem);
            return -1;
      }
      kfree(cfg_mem);
      return setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ);
}

static int multi_config(struct pcmcia_device * link)
{
      struct serial_info *info = link->priv;
      struct serial_cfg_mem *cfg_mem;
      tuple_t *tuple;
      u_char *buf;
      cisparse_t *parse;
      cistpl_cftable_entry_t *cf;
      int i, rc, base2 = 0;

      cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL);
      if (!cfg_mem)
            return -1;
      tuple = &cfg_mem->tuple;
      parse = &cfg_mem->parse;
      cf = &parse->cftable_entry;
      buf = cfg_mem->buf;

      tuple->TupleData = (cisdata_t *) buf;
      tuple->TupleOffset = 0;
      tuple->TupleDataMax = 255;
      tuple->Attributes = 0;
      tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;

      /* First, look for a generic full-sized window */
      link->io.NumPorts1 = info->multi * 8;
      i = first_tuple(link, tuple, parse);
      while (i != CS_NO_MORE_ITEMS) {
            /* The quad port cards have bad CIS's, so just look for a
               window larger than 8 ports and assume it will be right */
            if ((i == CS_SUCCESS) && (cf->io.nwin == 1) &&
                (cf->io.win[0].len > 8)) {
                  link->conf.ConfigIndex = cf->index;
                  link->io.BasePort1 = cf->io.win[0].base;
                  link->io.IOAddrLines =
                      cf->io.flags & CISTPL_IO_LINES_MASK;
                  i = pcmcia_request_io(link, &link->io);
                  base2 = link->io.BasePort1 + 8;
                  if (i == CS_SUCCESS)
                        break;
            }
            i = next_tuple(link, tuple, parse);
      }

      /* If that didn't work, look for two windows */
      if (i != CS_SUCCESS) {
            link->io.NumPorts1 = link->io.NumPorts2 = 8;
            info->multi = 2;
            i = first_tuple(link, tuple, parse);
            while (i != CS_NO_MORE_ITEMS) {
                  if ((i == CS_SUCCESS) && (cf->io.nwin == 2)) {
                        link->conf.ConfigIndex = cf->index;
                        link->io.BasePort1 = cf->io.win[0].base;
                        link->io.BasePort2 = cf->io.win[1].base;
                        link->io.IOAddrLines =
                            cf->io.flags & CISTPL_IO_LINES_MASK;
                        i = pcmcia_request_io(link, &link->io);
                        base2 = link->io.BasePort2;
                        if (i == CS_SUCCESS)
                              break;
                  }
                  i = next_tuple(link, tuple, parse);
            }
      }

      if (i != CS_SUCCESS) {
            cs_error(link, RequestIO, i);
            rc = -1;
            goto free_cfg_mem;
      }

      i = pcmcia_request_irq(link, &link->irq);
      if (i != CS_SUCCESS) {
            printk(KERN_NOTICE
                   "serial_cs: no usable port range found, giving up\n");
            cs_error(link, RequestIRQ, i);
            link->irq.AssignedIRQ = 0;
      }

      /*
       * Apply any configuration quirks.
       */
      if (info->quirk && info->quirk->config)
            info->quirk->config(link);

      i = pcmcia_request_configuration(link, &link->conf);
      if (i != CS_SUCCESS) {
            cs_error(link, RequestConfiguration, i);
            rc = -1;
            goto free_cfg_mem;
      }

      /* The Oxford Semiconductor OXCF950 cards are in fact single-port:
       * 8 registers are for the UART, the others are extra registers.
       * Siemen's MC45 PCMCIA (Possio's GCC) is OXCF950 based too.
       */
      if (info->manfid == MANFID_OXSEMI || (info->manfid == MANFID_POSSIO &&
                        info->prodid == PRODID_POSSIO_GCC)) {
            int err;

            if (cf->index == 1 || cf->index == 3) {
                  err = setup_serial(link, info, base2,
                              link->irq.AssignedIRQ);
                  base2 = link->io.BasePort1;
            } else {
                  err = setup_serial(link, info, link->io.BasePort1,
                              link->irq.AssignedIRQ);
            }
            info->c950ctrl = base2;

            /*
             * FIXME: We really should wake up the port prior to
             * handing it over to the serial layer.
             */
            if (info->quirk && info->quirk->wakeup)
                  info->quirk->wakeup(link);

            rc = 0;
            goto free_cfg_mem;
      }

      setup_serial(link, info, link->io.BasePort1, link->irq.AssignedIRQ);
      for (i = 0; i < info->multi - 1; i++)
            setup_serial(link, info, base2 + (8 * i),
                        link->irq.AssignedIRQ);
      rc = 0;
free_cfg_mem:
      kfree(cfg_mem);
      return rc;
}

/*======================================================================

    serial_config() is scheduled to run after a CARD_INSERTION event
    is received, to configure the PCMCIA socket, and to make the
    serial device available to the system.

======================================================================*/

static int serial_config(struct pcmcia_device * link)
{
      struct serial_info *info = link->priv;
      struct serial_cfg_mem *cfg_mem;
      tuple_t *tuple;
      u_char *buf;
      cisparse_t *parse;
      cistpl_cftable_entry_t *cf;
      int i;

      DEBUG(0, "serial_config(0x%p)\n", link);

      cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL);
      if (!cfg_mem)
            goto failed;

      tuple = &cfg_mem->tuple;
      parse = &cfg_mem->parse;
      cf = &parse->cftable_entry;
      buf = cfg_mem->buf;

      tuple->TupleData = (cisdata_t *) buf;
      tuple->TupleOffset = 0;
      tuple->TupleDataMax = 255;
      tuple->Attributes = 0;

      /* Is this a compliant multifunction card? */
      tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
      tuple->Attributes = TUPLE_RETURN_COMMON | TUPLE_RETURN_LINK;
      info->multi = (first_tuple(link, tuple, parse) == CS_SUCCESS);

      /* Is this a multiport card? */
      tuple->DesiredTuple = CISTPL_MANFID;
      info->manfid = link->manf_id;
      info->prodid = link->card_id;

      for (i = 0; i < ARRAY_SIZE(quirks); i++)
            if ((quirks[i].manfid == ~0 ||
                 quirks[i].manfid == info->manfid) &&
                (quirks[i].prodid == ~0 ||
                 quirks[i].prodid == info->prodid)) {
                  info->quirk = &quirks[i];
                  break;
            }

      /* Another check for dual-serial cards: look for either serial or
         multifunction cards that ask for appropriate IO port ranges */
      tuple->DesiredTuple = CISTPL_FUNCID;
      if ((info->multi == 0) &&
          (link->has_func_id) &&
          ((link->func_id == CISTPL_FUNCID_MULTI) ||
           (link->func_id == CISTPL_FUNCID_SERIAL))) {
            tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;
            if (first_tuple(link, tuple, parse) == CS_SUCCESS) {
                  if ((cf->io.nwin == 1) && (cf->io.win[0].len % 8 == 0))
                        info->multi = cf->io.win[0].len >> 3;
                  if ((cf->io.nwin == 2) && (cf->io.win[0].len == 8) &&
                      (cf->io.win[1].len == 8))
                        info->multi = 2;
            }
      }

      /*
       * Apply any multi-port quirk.
       */
      if (info->quirk && info->quirk->multi != -1)
            info->multi = info->quirk->multi;

      if (info->multi > 1)
            multi_config(link);
      else
            simple_config(link);

      if (info->ndev == 0)
            goto failed;

      /*
       * Apply any post-init quirk.  FIXME: This should really happen
       * before we register the port, since it might already be in use.
       */
      if (info->quirk && info->quirk->post)
            if (info->quirk->post(link))
                  goto failed;

      link->dev_node = &info->node[0];
      kfree(cfg_mem);
      return 0;

 failed:
      serial_remove(link);
      kfree(cfg_mem);
      return -ENODEV;
}

static struct pcmcia_device_id serial_ids[] = {
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0057, 0x0021),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0089, 0x110a),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0104, 0x000a),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0105, 0xea15),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0109, 0x0501),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0138, 0x110a),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0140, 0x000a),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0143, 0x3341),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0143, 0xc0ab),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x016c, 0x0081),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x021b, 0x0101),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x08a1, 0xc0ab),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0105, 0x0d0a),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0105, 0x0e0a),
      PCMCIA_PFC_DEVICE_PROD_ID123(1, "MEGAHERTZ", "CC/XJEM3288", "DATA/FAX/CELL ETHERNET MODEM", 0xf510db04, 0x04cd2988, 0x46a52d63),
      PCMCIA_PFC_DEVICE_PROD_ID123(1, "MEGAHERTZ", "CC/XJEM3336", "DATA/FAX/CELL ETHERNET MODEM", 0xf510db04, 0x0143b773, 0x46a52d63),
      PCMCIA_PFC_DEVICE_PROD_ID123(1, "MEGAHERTZ", "EM1144T", "PCMCIA MODEM", 0xf510db04, 0x856d66c8, 0xbd6c43ef),
      PCMCIA_PFC_DEVICE_PROD_ID123(1, "MEGAHERTZ", "XJEM1144/CCEM1144", "PCMCIA MODEM", 0xf510db04, 0x52d21e1e, 0xbd6c43ef),
      PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "CEM28", 0x2e3ee845, 0x0ea978ea),
      PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "CEM33", 0x2e3ee845, 0x80609023),
      PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "CEM56", 0x2e3ee845, 0xa650c32a),
      PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29),
      PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "AnyCom", "Fast Ethernet + 56K COMBO", 0x578ba6e7, 0xb0ac62c4),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "D-Link", "DME336T", 0x1a424a1c, 0xb23897ff),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "Gateway 2000", "XJEM3336", 0xdd9989be, 0x662c394c),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "Grey Cell", "GCS3000", 0x2a151fac, 0x48b932ae),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "Linksys", "EtherFast 10&100 + 56K PC Card (PCMLM56)", 0x0733cc81, 0xb3765033),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "LINKSYS", "PCMLM336", 0xf7cb0b07, 0x7a821b58),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "MEGAHERTZ", "XJEM1144/CCEM1144", 0xf510db04, 0x52d21e1e),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "MICRO RESEARCH", "COMBO-L/M-336", 0xb2ced065, 0x3ced0555),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "Ositech", "Trumpcard:Jack of Diamonds Modem+Ethernet", 0xc2f80cd, 0x656947b9),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "Ositech", "Trumpcard:Jack of Hearts Modem+Ethernet", 0xc2f80cd, 0xdc9ba5ed),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "PCMCIAs", "ComboCard", 0xdcfe12d3, 0xcd8906cc),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "PCMCIAs", "LanModem", 0xdcfe12d3, 0xc67c648f),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
      PCMCIA_PFC_DEVICE_PROD_ID12(1, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0032, 0x0a05),
      PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0032, 0x1101),
      PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0104, 0x0070),
      PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0101, 0x0562),
      PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0104, 0x0070),
      PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x016c, 0x0020),
      PCMCIA_MFC_DEVICE_PROD_ID123(1, "APEX DATA", "MULTICARD", "ETHERNET-MODEM", 0x11c2da09, 0x7289dc5d, 0xaad95e1f),
      PCMCIA_MFC_DEVICE_PROD_ID12(1, "IBM", "Home and Away 28.8 PC Card       ", 0xb569a6e5, 0x5bd4ff2c),
      PCMCIA_MFC_DEVICE_PROD_ID12(1, "IBM", "Home and Away Credit Card Adapter", 0xb569a6e5, 0x4bdf15c3),
      PCMCIA_MFC_DEVICE_PROD_ID12(1, "IBM", "w95 Home and Away Credit Card ", 0xb569a6e5, 0xae911c15),
      PCMCIA_MFC_DEVICE_PROD_ID1(1, "Motorola MARQUIS", 0xf03e4e77),
      PCMCIA_MFC_DEVICE_PROD_ID2(1, "FAX/Modem/Ethernet Combo Card ", 0x1ed59302),
      PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0301),
      PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x0276),
      PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0039),
      PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0006),
      PCMCIA_DEVICE_MANF_CARD(0x0105, 0x410a),
      PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0d50),
      PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0d51),
      PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0d52),
      PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0d53),
      PCMCIA_DEVICE_MANF_CARD(0x010b, 0xd180),
      PCMCIA_DEVICE_MANF_CARD(0x0137, 0x000e),
      PCMCIA_DEVICE_MANF_CARD(0x0137, 0x001b),
      PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0025),
      PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0045),
      PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0052),
      PCMCIA_DEVICE_PROD_ID134("ADV", "TECH", "COMpad-32/85", 0x67459937, 0x916d02ba, 0x8fbe92ae),
      PCMCIA_DEVICE_PROD_ID124("GATEWAY2000", "CC3144", "PCMCIA MODEM", 0x506bccae, 0xcb3685f1, 0xbd6c43ef),
      PCMCIA_DEVICE_PROD_ID14("MEGAHERTZ", "PCMCIA MODEM", 0xf510db04, 0xbd6c43ef),
      PCMCIA_DEVICE_PROD_ID124("TOSHIBA", "T144PF", "PCMCIA MODEM", 0xb4585a1a, 0x7271409c, 0xbd6c43ef),
      PCMCIA_DEVICE_PROD_ID123("FUJITSU", "FC14F ", "MBH10213", 0x6ee5a3d8, 0x30ead12b, 0xb00f05a0),
      PCMCIA_DEVICE_PROD_ID123("Novatel Wireless", "Merlin UMTS Modem", "U630", 0x32607776, 0xd9e73b13, 0xe87332e),
      PCMCIA_DEVICE_PROD_ID13("MEGAHERTZ", "V.34 PCMCIA MODEM", 0xf510db04, 0xbb2cce4a),
      PCMCIA_DEVICE_PROD_ID12("Brain Boxes", "Bluetooth PC Card", 0xee138382, 0xd4ce9b02),
      PCMCIA_DEVICE_PROD_ID12("CIRRUS LOGIC", "FAX MODEM", 0xe625f451, 0xcecd6dfa),
      PCMCIA_DEVICE_PROD_ID12("COMPAQ", "PCMCIA 28800 FAX/DATA MODEM", 0xa3a3062c, 0x8cbd7c76),
      PCMCIA_DEVICE_PROD_ID12("COMPAQ", "PCMCIA 33600 FAX/DATA MODEM", 0xa3a3062c, 0x5a00ce95),
      PCMCIA_DEVICE_PROD_ID12("Computerboards, Inc.", "PCM-COM422", 0xd0b78f51, 0x7e2d49ed),
      PCMCIA_DEVICE_PROD_ID12("Dr. Neuhaus", "FURY CARD 14K4", 0x76942813, 0x8b96ce65),
      PCMCIA_DEVICE_PROD_ID12("Intelligent", "ANGIA FAX/MODEM", 0xb496e65e, 0xf31602a6),
      PCMCIA_DEVICE_PROD_ID12("Intel", "MODEM 2400+", 0x816cc815, 0x412729fb),
      PCMCIA_DEVICE_PROD_ID12("IOTech Inc ", "PCMCIA Dual RS-232 Serial Port Card", 0x3bd2d898, 0x92abc92f),
      PCMCIA_DEVICE_PROD_ID12("MACRONIX", "FAX/MODEM", 0x668388b3, 0x3f9bdf2f),
      PCMCIA_DEVICE_PROD_ID12("Multi-Tech", "MT1432LT", 0x5f73be51, 0x0b3e2383),
      PCMCIA_DEVICE_PROD_ID12("Multi-Tech", "MT2834LT", 0x5f73be51, 0x4cd7c09e),
      PCMCIA_DEVICE_PROD_ID12("OEM      ", "C288MX     ", 0xb572d360, 0xd2385b7a),
      PCMCIA_DEVICE_PROD_ID12("PCMCIA   ", "C336MX     ", 0x99bcafe9, 0xaa25bcab),
      PCMCIA_DEVICE_PROD_ID12("Quatech Inc", "PCMCIA Dual RS-232 Serial Port Card", 0xc4420b35, 0x92abc92f),
      PCMCIA_DEVICE_PROD_ID12("Quatech Inc", "Dual RS-232 Serial Port PC Card", 0xc4420b35, 0x031a380d),
      PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "PCMCIA", "EN2218-LAN/MODEM", 0x281f1c5d, 0x570f348e, "PCMLM28.cis"),
      PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "PCMCIA", "UE2218-LAN/MODEM", 0x281f1c5d, 0x6fdcacee, "PCMLM28.cis"),
      PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "Psion Dacom", "Gold Card V34 Ethernet", 0xf5f025c2, 0x338e8155, "PCMLM28.cis"),
      PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "Psion Dacom", "Gold Card V34 Ethernet GSM", 0xf5f025c2, 0x4ae85d35, "PCMLM28.cis"),
      PCMCIA_PFC_DEVICE_CIS_PROD_ID12(1, "LINKSYS", "PCMLM28", 0xf7cb0b07, 0x66881874, "PCMLM28.cis"),
      PCMCIA_MFC_DEVICE_CIS_PROD_ID12(1, "DAYNA COMMUNICATIONS", "LAN AND MODEM MULTIFUNCTION", 0x8fdf8f89, 0xdd5ed9e8, "DP83903.cis"),
      PCMCIA_MFC_DEVICE_CIS_PROD_ID4(1, "NSC MF LAN/Modem", 0x58fc6056, "DP83903.cis"),
      PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x0556, "3CCFEM556.cis"),
      PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0175, 0x0000, "DP83903.cis"),
      PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x0035, "3CXEM556.cis"),
      PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x003d, "3CXEM556.cis"),
      PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC850", 0xd85f6206, 0x42a2c018, "SW_8xx_SER.cis"),  /* Sierra Wireless AC850 3G Network Adapter R1 */
      PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0x0710, "SW_7xx_SER.cis"),    /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */
      PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "SW_555_SER.cis"),  /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */
      PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "SW_555_SER.cis"),  /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */
      PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "MT5634ZLX.cis"),
      PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"),
      PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"),
      PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "RS-COM-2P.cis"),
      PCMCIA_DEVICE_CIS_MANF_CARD(0x0013, 0x0000, "GLOBETROTTER.cis"),
      PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100  1.00.",0x19ca78af,0xf964f42b),
      PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL100",0x19ca78af,0x71d98e83),
      PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL232  1.00.",0x19ca78af,0x69fb7490),
      PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c1997.","SERIAL CARD: SL232",0x19ca78af,0xb6bc0235),
      PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.","SERIAL CARD: CF232",0x63f2e0bd,0xb9e175d3),
      PCMCIA_DEVICE_PROD_ID12("ELAN DIGITAL SYSTEMS LTD, c2000.","SERIAL CARD: CF232-5",0x63f2e0bd,0xfce33442),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF232",0x3beb8cf2,0x171e7190),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF232-5",0x3beb8cf2,0x20da4262),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF428",0x3beb8cf2,0xea5dd57d),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: CF500",0x3beb8cf2,0xd77255fa),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: IC232",0x3beb8cf2,0x6a709903),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: SL232",0x3beb8cf2,0x18430676),
      PCMCIA_DEVICE_PROD_ID12("Elan","Serial Port: XL232",0x3beb8cf2,0x6f933767),
      PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: CF332",0x3beb8cf2,0x16dc1ba7),
      PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL332",0x3beb8cf2,0x19816c41),
      PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL385",0x3beb8cf2,0x64112029),
      PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4),
      PCMCIA_MFC_DEVICE_PROD_ID12(0,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc),
      PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: CF332",0x3beb8cf2,0x16dc1ba7),
      PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL332",0x3beb8cf2,0x19816c41),
      PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL385",0x3beb8cf2,0x64112029),
      PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4),
      PCMCIA_MFC_DEVICE_PROD_ID12(2,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4),
      PCMCIA_MFC_DEVICE_PROD_ID12(3,"Elan","Serial Port: SL432",0x3beb8cf2,0x1cce7ac4),
      PCMCIA_DEVICE_MANF_CARD(0x0279, 0x950b),
      /* too generic */
      /* PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0160, 0x0002), */
      /* PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0160, 0x0002), */
      PCMCIA_DEVICE_FUNC_ID(2),
      PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, serial_ids);

static struct pcmcia_driver serial_cs_driver = {
      .owner            = THIS_MODULE,
      .drv        = {
            .name = "serial_cs",
      },
      .probe            = serial_probe,
      .remove           = serial_detach,
      .id_table   = serial_ids,
      .suspend    = serial_suspend,
      .resume           = serial_resume,
};

static int __init init_serial_cs(void)
{
      return pcmcia_register_driver(&serial_cs_driver);
}

static void __exit exit_serial_cs(void)
{
      pcmcia_unregister_driver(&serial_cs_driver);
}

module_init(init_serial_cs);
module_exit(exit_serial_cs);

MODULE_LICENSE("GPL");

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