[deliverable/linux.git] / drivers / telephony / ixj_pcmcia.c

#include "ixj-ver.h"

#include <linux/module.h>

#include <linux/init.h>
#include <linux/sched.h>
#include <linux/kernel.h>	/* printk() */
#include <linux/fs.h>		/* everything... */
#include <linux/errno.h>	/* error codes */
#include <linux/slab.h>

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

#include "ixj.h"

/*
 *	PCMCIA service support for Quicknet cards
 */
 
#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)
#else
#define DEBUG(n, args...)
#endif

typedef struct ixj_info_t {
	int ndev;
	dev_node_t node;
	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)
{
	DEBUG(0, "ixj_attach()\n");
	/* Create new ixj device */
	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
	p_dev->io.IOAddrLines = 3;
	p_dev->conf.IntType = INT_MEMORY_AND_IO;
	p_dev->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
	if (!p_dev->priv) {
		return -ENOMEM;
	}
	memset(p_dev->priv, 0, sizeof(struct ixj_info_t));

	return ixj_config(p_dev);
}

static void ixj_detach(struct pcmcia_device *link)
{
	DEBUG(0, "ixj_detach(0x%p)\n", link);

	ixj_cs_release(link);

        kfree(link->priv);
}

#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
{
	char *str;
	int i, place;
	DEBUG(0, "ixj_get_serial(0x%p)\n", link);

	str = link->prod_id[0];
	if (!str)
		goto cs_failed;
	printk("%s", str);
	str = link->prod_id[1];
	if (!str)
		goto cs_failed;
	printk(" %s", str);
	str = link->prod_id[2];
	if (!str)
		goto cs_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 cs_failed;
	printk(" version %s\n", str);
      cs_failed:
	return;
}

static int ixj_config(struct pcmcia_device * link)
{
	IXJ *j;
	ixj_info_t *info;
	tuple_t tuple;
	u_short buf[128];
	cisparse_t parse;
	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
	cistpl_cftable_entry_t dflt =
	{
		0
	};
	int last_ret, last_fn;
	info = link->priv;
	DEBUG(0, "ixj_config(0x%p)\n", link);
	tuple.TupleData = (cisdata_t *) buf;
	tuple.TupleOffset = 0;
	tuple.TupleDataMax = 255;
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	tuple.Attributes = 0;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	while (1) {
		if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
				pcmcia_parse_tuple(link, &tuple, &parse) != 0)
			goto next_entry;
		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
			link->conf.ConfigIndex = cfg->index;
			link->io.BasePort1 = io->win[0].base;
			link->io.NumPorts1 = io->win[0].len;
			if (io->nwin == 2) {
				link->io.BasePort2 = io->win[1].base;
				link->io.NumPorts2 = io->win[1].len;
			}
			if (pcmcia_request_io(link, &link->io) != 0)
				goto next_entry;
			/* If we've got this far, we're done */
			break;
		}
	      next_entry:
		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
			dflt = *cfg;
		CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
	}

	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

	/*
 	 *	Register the card with the core.
 	 */	
	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);

	info->ndev = 1;
	info->node.major = PHONE_MAJOR;
	link->dev_node = &info->node;
	ixj_get_serial(link, j);
	return 0;
      cs_failed:
	cs_error(link, last_fn, last_ret);
	ixj_cs_release(link);
	return -ENODEV;
}

static void ixj_cs_release(struct pcmcia_device *link)
{
	ixj_info_t *info = link->priv;
	DEBUG(0, "ixj_cs_release(0x%p)\n", link);
	info->ndev = 0;
	pcmcia_disable_device(link);
}

static 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,
	.drv		= {
		.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");
Commit	Line	Data
1da177e4 LT	1	#include "ixj-ver.h"
	2
	3	#include <linux/module.h>
	4
	5	#include <linux/init.h>
	6	#include <linux/sched.h>
	7	#include <linux/kernel.h> /* printk() */
	8	#include <linux/fs.h> /* everything... */
	9	#include <linux/errno.h> /* error codes */
	10	#include <linux/slab.h>
	11
1da177e4 LT	12	#include <pcmcia/cs_types.h>
	13	#include <pcmcia/cs.h>
	14	#include <pcmcia/cistpl.h>
	15	#include <pcmcia/ds.h>
	16
	17	#include "ixj.h"
	18
	19	/*
	20	* PCMCIA service support for Quicknet cards
	21	*/
	22
	23	#ifdef PCMCIA_DEBUG
	24	static int pc_debug = PCMCIA_DEBUG;
	25	module_param(pc_debug, int, 0644);
	26	#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
	27	#else
	28	#define DEBUG(n, args...)
	29	#endif
	30
	31	typedef struct ixj_info_t {
	32	int ndev;
	33	dev_node_t node;
	34	struct ixj *port;
	35	} ixj_info_t;
	36
cc3b4866	37	static void ixj_detach(struct pcmcia_device *p_dev);
15b99ac1	38	static int ixj_config(struct pcmcia_device * link);
fba395ee	39	static void ixj_cs_release(struct pcmcia_device * link);
1da177e4	40
15b99ac1	41	static int ixj_probe(struct pcmcia_device *p_dev)
1da177e4	42	{
1da177e4 LT	43	DEBUG(0, "ixj_attach()\n");
1da177e4 LT	44	/* Create new ixj device */
fd238232 DB	45	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	46	p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
	47	p_dev->io.IOAddrLines = 3;
	48	p_dev->conf.IntType = INT_MEMORY_AND_IO;
	49	p_dev->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
	50	if (!p_dev->priv) {
f8cfa618	51	return -ENOMEM;
1da177e4	52	}
fd238232	53	memset(p_dev->priv, 0, sizeof(struct ixj_info_t));
f8cfa618	54
15b99ac1	55	return ixj_config(p_dev);
1da177e4 LT	56	}
1da177e4 LT	57
fba395ee	58	static void ixj_detach(struct pcmcia_device *link)
1da177e4	59	{
1da177e4	60	DEBUG(0, "ixj_detach(0x%p)\n", link);
b4635811	61
e2d40963	62	ixj_cs_release(link);
cc3b4866	63
1da177e4	64	kfree(link->priv);
1da177e4 LT	65	}
	66
	67	#define CS_CHECK(fn, ret) \
	68	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	69
fba395ee	70	static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
1da177e4	71	{
1da177e4	72	char *str;
a9606fd3	73	int i, place;
1da177e4	74	DEBUG(0, "ixj_get_serial(0x%p)\n", link);
a9606fd3 DB	75
	76	str = link->prod_id[0];
	77	if (!str)
	78	goto cs_failed;
1da177e4	79	printk("%s", str);
a9606fd3 DB	80	str = link->prod_id[1];
	81	if (!str)
	82	goto cs_failed;
1da177e4	83	printk(" %s", str);
a9606fd3 DB	84	str = link->prod_id[2];
	85	if (!str)
	86	goto cs_failed;
1da177e4 LT	87	place = 1;
	88	for (i = strlen(str) - 1; i >= 0; i--) {
	89	switch (str[i]) {
	90	case '0':
	91	case '1':
	92	case '2':
	93	case '3':
	94	case '4':
	95	case '5':
	96	case '6':
	97	case '7':
	98	case '8':
	99	case '9':
	100	j->serial += (str[i] - 48) * place;
	101	break;
	102	case 'A':
	103	case 'B':
	104	case 'C':
	105	case 'D':
	106	case 'E':
	107	case 'F':
	108	j->serial += (str[i] - 55) * place;
	109	break;
	110	case 'a':
	111	case 'b':
	112	case 'c':
	113	case 'd':
	114	case 'e':
	115	case 'f':
	116	j->serial += (str[i] - 87) * place;
	117	break;
	118	}
	119	place = place * 0x10;
	120	}
a9606fd3 DB	121	str = link->prod_id[3];
	122	if (!str)
	123	goto cs_failed;
1da177e4 LT	124	printk(" version %s\n", str);
	125	cs_failed:
	126	return;
	127	}
	128
15b99ac1	129	static int ixj_config(struct pcmcia_device * link)
1da177e4 LT	130	{
1da177e4 LT	131	IXJ *j;
1da177e4 LT	132	ixj_info_t *info;
	133	tuple_t tuple;
	134	u_short buf[128];
	135	cisparse_t parse;
1da177e4 LT	136	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
	137	cistpl_cftable_entry_t dflt =
	138	{
	139	0
	140	};
	141	int last_ret, last_fn;
1da177e4 LT	142	info = link->priv;
	143	DEBUG(0, "ixj_config(0x%p)\n", link);
	144	tuple.TupleData = (cisdata_t *) buf;
	145	tuple.TupleOffset = 0;
	146	tuple.TupleDataMax = 255;
1da177e4 LT	147	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
1da177e4 LT	148	tuple.Attributes = 0;
fba395ee	149	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
1da177e4	150	while (1) {
fba395ee DB	151	if (pcmcia_get_tuple_data(link, &tuple) != 0 \|\|
fba395ee DB	152	pcmcia_parse_tuple(link, &tuple, &parse) != 0)
1da177e4 LT	153	goto next_entry;
	154	if ((cfg->io.nwin > 0) \|\| (dflt.io.nwin > 0)) {
	155	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
	156	link->conf.ConfigIndex = cfg->index;
	157	link->io.BasePort1 = io->win[0].base;
	158	link->io.NumPorts1 = io->win[0].len;
	159	if (io->nwin == 2) {
	160	link->io.BasePort2 = io->win[1].base;
	161	link->io.NumPorts2 = io->win[1].len;
	162	}
fba395ee	163	if (pcmcia_request_io(link, &link->io) != 0)
1da177e4 LT	164	goto next_entry;
	165	/* If we've got this far, we're done */
	166	break;
	167	}
	168	next_entry:
	169	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
	170	dflt = *cfg;
fba395ee	171	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
1da177e4 LT	172	}
1da177e4 LT	173
fba395ee	174	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
1da177e4 LT	175
	176	/*
	177	* Register the card with the core.
	178	*/
	179	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
	180
	181	info->ndev = 1;
	182	info->node.major = PHONE_MAJOR;
fd238232	183	link->dev_node = &info->node;
1da177e4	184	ixj_get_serial(link, j);
15b99ac1	185	return 0;
1da177e4	186	cs_failed:
fba395ee	187	cs_error(link, last_fn, last_ret);
1da177e4	188	ixj_cs_release(link);
15b99ac1	189	return -ENODEV;
1da177e4 LT	190	}
1da177e4 LT	191
fba395ee	192	static void ixj_cs_release(struct pcmcia_device *link)
1da177e4 LT	193	{
	194	ixj_info_t *info = link->priv;
	195	DEBUG(0, "ixj_cs_release(0x%p)\n", link);
	196	info->ndev = 0;
fba395ee	197	pcmcia_disable_device(link);
1da177e4 LT	198	}
1da177e4 LT	199
07081273 DB	200	static struct pcmcia_device_id ixj_ids[] = {
	201	PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
	202	PCMCIA_DEVICE_NULL
	203	};
	204	MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
	205
1da177e4 LT	206	static struct pcmcia_driver ixj_driver = {
	207	.owner = THIS_MODULE,
	208	.drv = {
	209	.name = "ixj_cs",
	210	},
15b99ac1	211	.probe = ixj_probe,
cc3b4866	212	.remove = ixj_detach,
07081273	213	.id_table = ixj_ids,
1da177e4 LT	214	};
	215
	216	static int __init ixj_pcmcia_init(void)
	217	{
	218	return pcmcia_register_driver(&ixj_driver);
	219	}
	220
	221	static void ixj_pcmcia_exit(void)
	222	{
	223	pcmcia_unregister_driver(&ixj_driver);
1da177e4 LT	224	}
	225
	226	module_init(ixj_pcmcia_init);
	227	module_exit(ixj_pcmcia_exit);
	228
	229	MODULE_LICENSE("GPL");