LXR linux/drivers/telephony/ixj

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