drivers/isdn/hisax/sedlbauer_cs.c

   1 /*======================================================================
   2
   3   A Sedlbauer PCMCIA client driver
   4
   5   This driver is for the Sedlbauer Speed Star and Speed Star II,
   6   which are ISDN PCMCIA Cards.
   7
   8   The contents of this file are subject to the Mozilla Public
   9   License Version 1.1 (the "License"); you may not use this file
  10   except in compliance with the License. You may obtain a copy of
  11   the License at http://www.mozilla.org/MPL/
  12
  13   Software distributed under the License is distributed on an "AS
  14   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  15   implied. See the License for the specific language governing
  16   rights and limitations under the License.
  17
  18   The initial developer of the original code is David A. Hinds
  19   <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  20   are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  21
  22   Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
  23   <maniemann@users.sourceforge.net>. All Rights Reserved.
  24
  25   Alternatively, the contents of this file may be used under the
  26   terms of the GNU General Public License version 2 (the "GPL"), in
  27   which case the provisions of the GPL are applicable instead of the
  28   above.  If you wish to allow the use of your version of this file
  29   only under the terms of the GPL and not to allow others to use
  30   your version of this file under the MPL, indicate your decision
  31   by deleting the provisions above and replace them with the notice
  32   and other provisions required by the GPL.  If you do not delete
  33   the provisions above, a recipient may use your version of this
  34   file under either the MPL or the GPL.
  35
  36   ======================================================================*/
  37
  38 #include <linux/kernel.h>
  39 #include <linux/module.h>
  40 #include <linux/init.h>
  41 #include <linux/ptrace.h>
  42 #include <linux/slab.h>
  43 #include <linux/string.h>
  44 #include <linux/timer.h>
  45 #include <linux/ioport.h>
  46 #include <asm/io.h>
  47
  48 #include <pcmcia/cistpl.h>
  49 #include <pcmcia/cisreg.h>
  50 #include <pcmcia/ds.h>
  51 #include "hisax_cfg.h"
  52
  53 MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
  54 MODULE_AUTHOR("Marcus Niemann");
  55 MODULE_LICENSE("Dual MPL/GPL");
  56
  57
  58 /*====================================================================*/
  59
  60 /* Parameters that can be set with 'insmod' */
  61
  62 static int protocol = 2;        /* EURO-ISDN Default */
  63 module_param(protocol, int, 0);
  64
  65 static int sedlbauer_config(struct pcmcia_device *link);
  66 static void sedlbauer_release(struct pcmcia_device *link);
  67
  68 static void sedlbauer_detach(struct pcmcia_device *p_dev);
  69
  70 typedef struct local_info_t {
  71         struct pcmcia_device    *p_dev;
  72         int                     stop;
  73         int                     cardnr;
  74 } local_info_t;
  75
  76 static int sedlbauer_probe(struct pcmcia_device *link)
  77 {
  78         local_info_t *local;
  79
  80         dev_dbg(&link->dev, "sedlbauer_attach()\n");
  81
  82         /* Allocate space for private device-specific data */
  83         local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
  84         if (!local) return -ENOMEM;
  85         local->cardnr = -1;
  86
  87         local->p_dev = link;
  88         link->priv = local;
  89
  90         return sedlbauer_config(link);
  91 } /* sedlbauer_attach */
  92
  93 static void sedlbauer_detach(struct pcmcia_device *link)
  94 {
  95         dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);
  96
  97         ((local_info_t *)link->priv)->stop = 1;
  98         sedlbauer_release(link);
  99
 100         /* This points to the parent local_info_t struct */
 101         kfree(link->priv);
 102 } /* sedlbauer_detach */
 103
 104 static int sedlbauer_config_check(struct pcmcia_device *p_dev, void *priv_data)
 105 {
 106         if (p_dev->config_index == 0)
 107                 return -EINVAL;
 108
 109         p_dev->io_lines = 3;
 110         return pcmcia_request_io(p_dev);
 111 }
 112
 113 static int sedlbauer_config(struct pcmcia_device *link)
 114 {
 115         int ret;
 116         IsdnCard_t  icard;
 117
 118         dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);
 119
 120         link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC |
 121                 CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
 122
 123         ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
 124         if (ret)
 125                 goto failed;
 126
 127         ret = pcmcia_enable_device(link);
 128         if (ret)
 129                 goto failed;
 130
 131         icard.para[0] = link->irq;
 132         icard.para[1] = link->resource[0]->start;
 133         icard.protocol = protocol;
 134         icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;
 135
 136         ret = hisax_init_pcmcia(link,
 137                                 &(((local_info_t *)link->priv)->stop), &icard);
 138         if (ret < 0) {
 139                 printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n",
 140                        ret, link->resource[0]);
 141                 sedlbauer_release(link);
 142                 return -ENODEV;
 143         } else
 144                 ((local_info_t *)link->priv)->cardnr = ret;
 145
 146         return 0;
 147
 148 failed:
 149         sedlbauer_release(link);
 150         return -ENODEV;
 151
 152 } /* sedlbauer_config */
 153
 154 static void sedlbauer_release(struct pcmcia_device *link)
 155 {
 156         local_info_t *local = link->priv;
 157         dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link);
 158
 159         if (local) {
 160                 if (local->cardnr >= 0) {
 161                         /* no unregister function with hisax */
 162                         HiSax_closecard(local->cardnr);
 163                 }
 164         }
 165
 166         pcmcia_disable_device(link);
 167 } /* sedlbauer_release */
 168
 169 static int sedlbauer_suspend(struct pcmcia_device *link)
 170 {
 171         local_info_t *dev = link->priv;
 172
 173         dev->stop = 1;
 174
 175         return 0;
 176 }
 177
 178 static int sedlbauer_resume(struct pcmcia_device *link)
 179 {
 180         local_info_t *dev = link->priv;
 181
 182         dev->stop = 0;
 183
 184         return 0;
 185 }
 186
 187
 188 static const struct pcmcia_device_id sedlbauer_ids[] = {
 189         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
 190         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
 191         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
 192         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
 193         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
 194         PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
 195 /*      PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/
 196         PCMCIA_DEVICE_NULL
 197 };
 198 MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);
 199
 200 static struct pcmcia_driver sedlbauer_driver = {
 201         .owner          = THIS_MODULE,
 202         .name           = "sedlbauer_cs",
 203         .probe          = sedlbauer_probe,
 204         .remove         = sedlbauer_detach,
 205         .id_table       = sedlbauer_ids,
 206         .suspend        = sedlbauer_suspend,
 207         .resume         = sedlbauer_resume,
 208 };
 209 module_pcmcia_driver(sedlbauer_driver);