drivers/telephony/ixj_pcmcia.c

   1 #include "ixj-ver.h"
   2
   3 #include <linux/module.h>
   4
   5 #include <linux/init.h>
   6 #include <linux/kernel.h>       /* printk() */
   7 #include <linux/fs.h>           /* everything... */
   8 #include <linux/errno.h>        /* error codes */
   9 #include <linux/slab.h>
  10
  11 #include <pcmcia/cs_types.h>
  12 #include <pcmcia/cs.h>
  13 #include <pcmcia/cistpl.h>
  14 #include <pcmcia/ds.h>
  15
  16 #include "ixj.h"
  17
  18 /*
  19  *      PCMCIA service support for Quicknet cards
  20  */
  21
  22
  23 typedef struct ixj_info_t {
  24         int ndev;
  25         struct ixj *port;
  26 } ixj_info_t;
  27
  28 static void ixj_detach(struct pcmcia_device *p_dev);
  29 static int ixj_config(struct pcmcia_device * link);
  30 static void ixj_cs_release(struct pcmcia_device * link);
  31
  32 static int ixj_probe(struct pcmcia_device *p_dev)
  33 {
  34         dev_dbg(&p_dev->dev, "ixj_attach()\n");
  35         /* Create new ixj device */
  36         p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
  37         p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
  38         p_dev->io.IOAddrLines = 3;
  39         p_dev->conf.IntType = INT_MEMORY_AND_IO;
  40         p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
  41         if (!p_dev->priv) {
  42                 return -ENOMEM;
  43         }
  44
  45         return ixj_config(p_dev);
  46 }
  47
  48 static void ixj_detach(struct pcmcia_device *link)
  49 {
  50         dev_dbg(&link->dev, "ixj_detach\n");
  51
  52         ixj_cs_release(link);
  53
  54         kfree(link->priv);
  55 }
  56
  57 static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
  58 {
  59         char *str;
  60         int i, place;
  61         dev_dbg(&link->dev, "ixj_get_serial\n");
  62
  63         str = link->prod_id[0];
  64         if (!str)
  65                 goto failed;
  66         printk("%s", str);
  67         str = link->prod_id[1];
  68         if (!str)
  69                 goto failed;
  70         printk(" %s", str);
  71         str = link->prod_id[2];
  72         if (!str)
  73                 goto failed;
  74         place = 1;
  75         for (i = strlen(str) - 1; i >= 0; i--) {
  76                 switch (str[i]) {
  77                 case '0':
  78                 case '1':
  79                 case '2':
  80                 case '3':
  81                 case '4':
  82                 case '5':
  83                 case '6':
  84                 case '7':
  85                 case '8':
  86                 case '9':
  87                         j->serial += (str[i] - 48) * place;
  88                         break;
  89                 case 'A':
  90                 case 'B':
  91                 case 'C':
  92                 case 'D':
  93                 case 'E':
  94                 case 'F':
  95                         j->serial += (str[i] - 55) * place;
  96                         break;
  97                 case 'a':
  98                 case 'b':
  99                 case 'c':
 100                 case 'd':
 101                 case 'e':
 102                 case 'f':
 103                         j->serial += (str[i] - 87) * place;
 104                         break;
 105                 }
 106                 place = place * 0x10;
 107         }
 108         str = link->prod_id[3];
 109         if (!str)
 110                 goto failed;
 111         printk(" version %s\n", str);
 112 failed:
 113         return;
 114 }
 115
 116 static int ixj_config_check(struct pcmcia_device *p_dev,
 117                             cistpl_cftable_entry_t *cfg,
 118                             cistpl_cftable_entry_t *dflt,
 119                             unsigned int vcc,
 120                             void *priv_data)
 121 {
 122         if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
 123                 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
 124                 p_dev->io.BasePort1 = io->win[0].base;
 125                 p_dev->io.NumPorts1 = io->win[0].len;
 126                 if (io->nwin == 2) {
 127                         p_dev->io.BasePort2 = io->win[1].base;
 128                         p_dev->io.NumPorts2 = io->win[1].len;
 129                 }
 130                 if (!pcmcia_request_io(p_dev, &p_dev->io))
 131                         return 0;
 132         }
 133         return -ENODEV;
 134 }
 135
 136 static int ixj_config(struct pcmcia_device * link)
 137 {
 138         IXJ *j;
 139         ixj_info_t *info;
 140         cistpl_cftable_entry_t dflt = { 0 };
 141
 142         info = link->priv;
 143         dev_dbg(&link->dev, "ixj_config\n");
 144
 145         if (pcmcia_loop_config(link, ixj_config_check, &dflt))
 146                 goto failed;
 147
 148         if (pcmcia_request_configuration(link, &link->conf))
 149                 goto failed;
 150
 151         /*
 152          *      Register the card with the core.
 153          */
 154         j = ixj_pcmcia_probe(link->io.BasePort1, link->io.BasePort1 + 0x10);
 155
 156         info->ndev = 1;
 157         ixj_get_serial(link, j);
 158         return 0;
 159
 160 failed:
 161         ixj_cs_release(link);
 162         return -ENODEV;
 163 }
 164
 165 static void ixj_cs_release(struct pcmcia_device *link)
 166 {
 167         ixj_info_t *info = link->priv;
 168         dev_dbg(&link->dev, "ixj_cs_release\n");
 169         info->ndev = 0;
 170         pcmcia_disable_device(link);
 171 }
 172
 173 static struct pcmcia_device_id ixj_ids[] = {
 174         PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
 175         PCMCIA_DEVICE_NULL
 176 };
 177 MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
 178
 179 static struct pcmcia_driver ixj_driver = {
 180         .owner          = THIS_MODULE,
 181         .drv            = {
 182                 .name   = "ixj_cs",
 183         },
 184         .probe          = ixj_probe,
 185         .remove         = ixj_detach,
 186         .id_table       = ixj_ids,
 187 };
 188
 189 static int __init ixj_pcmcia_init(void)
 190 {
 191         return pcmcia_register_driver(&ixj_driver);
 192 }
 193
 194 static void ixj_pcmcia_exit(void)
 195 {
 196         pcmcia_unregister_driver(&ixj_driver);
 197 }
 198
 199 module_init(ixj_pcmcia_init);
 200 module_exit(ixj_pcmcia_exit);
 201
 202 MODULE_LICENSE("GPL");