diff options
Diffstat (limited to 'drivers/staging/telephony/ixj_pcmcia.c')
| -rw-r--r-- | drivers/staging/telephony/ixj_pcmcia.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/staging/telephony/ixj_pcmcia.c b/drivers/staging/telephony/ixj_pcmcia.c new file mode 100644 index 00000000000..05032e2cc95 --- /dev/null +++ b/drivers/staging/telephony/ixj_pcmcia.c @@ -0,0 +1,187 @@ +#include "ixj-ver.h" + +#include <linux/module.h> + +#include <linux/init.h> +#include <linux/kernel.h> /* printk() */ +#include <linux/fs.h> /* everything... */ +#include <linux/errno.h> /* error codes */ +#include <linux/slab.h> + +#include <pcmcia/cistpl.h> +#include <pcmcia/ds.h> + +#include "ixj.h" + +/* + * PCMCIA service support for Quicknet cards + */ + + +typedef struct ixj_info_t { + int ndev; + struct ixj *port; +} ixj_info_t; + +static void ixj_detach(struct pcmcia_device *p_dev); +static int ixj_config(struct pcmcia_device * link); +static void ixj_cs_release(struct pcmcia_device * link); + +static int ixj_probe(struct pcmcia_device *p_dev) +{ + dev_dbg(&p_dev->dev, "ixj_attach()\n"); + /* Create new ixj device */ + p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL); + if (!p_dev->priv) { + return -ENOMEM; + } + + return ixj_config(p_dev); +} + +static void ixj_detach(struct pcmcia_device *link) +{ + dev_dbg(&link->dev, "ixj_detach\n"); + + ixj_cs_release(link); + + kfree(link->priv); +} + +static void ixj_get_serial(struct pcmcia_device * link, IXJ * j) +{ + char *str; + int i, place; + dev_dbg(&link->dev, "ixj_get_serial\n"); + + str = link->prod_id[0]; + if (!str) + goto failed; + printk("%s", str); + str = link->prod_id[1]; + if (!str) + goto failed; + printk(" %s", str); + str = link->prod_id[2]; + if (!str) + goto failed; + place = 1; + for (i = strlen(str) - 1; i >= 0; i--) { + switch (str[i]) { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + j->serial += (str[i] - 48) * place; + break; + case 'A': + case 'B': + case 'C': + case 'D': + case 'E': + case 'F': + j->serial += (str[i] - 55) * place; + break; + case 'a': + case 'b': + case 'c': + case 'd': + case 'e': + case 'f': + j->serial += (str[i] - 87) * place; + break; + } + place = place * 0x10; + } + str = link->prod_id[3]; + if (!str) + goto failed; + printk(" version %s\n", str); +failed: + return; +} + +static int ixj_config_check(struct pcmcia_device *p_dev, void *priv_data) +{ + p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; + p_dev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH; + p_dev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; + p_dev->io_lines = 3; + + return pcmcia_request_io(p_dev); +} + +static int ixj_config(struct pcmcia_device * link) +{ + IXJ *j; + ixj_info_t *info; + + info = link->priv; + dev_dbg(&link->dev, "ixj_config\n"); + + link->config_flags = CONF_AUTO_SET_IO; + + if (pcmcia_loop_config(link, ixj_config_check, NULL)) + goto failed; + + if (pcmcia_enable_device(link)) + goto failed; + + /* + * Register the card with the core. + */ + j = ixj_pcmcia_probe(link->resource[0]->start, + link->resource[0]->start + 0x10); + + info->ndev = 1; + ixj_get_serial(link, j); + return 0; + +failed: + ixj_cs_release(link); + return -ENODEV; +} + +static void ixj_cs_release(struct pcmcia_device *link) +{ + ixj_info_t *info = link->priv; + dev_dbg(&link->dev, "ixj_cs_release\n"); + info->ndev = 0; + pcmcia_disable_device(link); +} + +static const struct pcmcia_device_id ixj_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600), + PCMCIA_DEVICE_NULL +}; +MODULE_DEVICE_TABLE(pcmcia, ixj_ids); + +static struct pcmcia_driver ixj_driver = { + .owner = THIS_MODULE, + .name = "ixj_cs", + .probe = ixj_probe, + .remove = ixj_detach, + .id_table = ixj_ids, +}; + +static int __init ixj_pcmcia_init(void) +{ + return pcmcia_register_driver(&ixj_driver); +} + +static void ixj_pcmcia_exit(void) +{ + pcmcia_unregister_driver(&ixj_driver); +} + +module_init(ixj_pcmcia_init); +module_exit(ixj_pcmcia_exit); + +MODULE_LICENSE("GPL"); |