[mirror_ubuntu-zesty-kernel.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 void ixj_config(struct pcmcia_device * link);
static void ixj_cs_release(struct pcmcia_device * link);

static int ixj_attach(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));

	p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
	ixj_config(p_dev);

	return 0;
}

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

	link->state &= ~DEV_RELEASE_PENDING;
	if (link->state & DEV_CONFIG)
		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)
{
	tuple_t tuple;
	u_short buf[128];
	char *str;
	int last_ret, last_fn, i, place;
	DEBUG(0, "ixj_get_serial(0x%p)\n", link);
	tuple.TupleData = (cisdata_t *) buf;
	tuple.TupleOffset = 0;
	tuple.TupleDataMax = 80;
	tuple.Attributes = 0;
	tuple.DesiredTuple = CISTPL_VERS_1;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
	str = (char *) buf;
	printk("PCMCIA Version %d.%d\n", str[0], str[1]);
	str += 2;
	printk("%s", str);
	str = str + strlen(str) + 1;
	printk(" %s", str);
	str = str + strlen(str) + 1;
	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 = str + strlen(str) + 1;
	printk(" version %s\n", str);
      cs_failed:
	return;
}

static void 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.Attributes = 0;
	tuple.DesiredTuple = CISTPL_CONFIG;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
	CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
	link->conf.ConfigBase = parse.config.base;
	link->conf.Present = parse.config.rmask[0];
	link->state |= DEV_CONFIG;
	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);
	link->state &= ~DEV_CONFIG_PENDING;
	return;
      cs_failed:
	cs_error(link, last_fn, last_ret);
	ixj_cs_release(link);
}

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_attach,
	.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);
fba395ee DB	38	static void ixj_config(struct pcmcia_device * link);
fba395ee DB	39	static void ixj_cs_release(struct pcmcia_device * link);
1da177e4	40
f8cfa618	41	static int ixj_attach(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
fd238232 DB	55	p_dev->state \|= DEV_PRESENT \| DEV_CONFIG_PENDING;
fd238232 DB	56	ixj_config(p_dev);
f8cfa618 DB	57
f8cfa618 DB	58	return 0;
1da177e4 LT	59	}
1da177e4 LT	60
fba395ee	61	static void ixj_detach(struct pcmcia_device *link)
1da177e4	62	{
1da177e4	63	DEBUG(0, "ixj_detach(0x%p)\n", link);
b4635811	64
1da177e4 LT	65	link->state &= ~DEV_RELEASE_PENDING;
	66	if (link->state & DEV_CONFIG)
	67	ixj_cs_release(link);
cc3b4866	68
1da177e4	69	kfree(link->priv);
1da177e4 LT	70	}
	71
	72	#define CS_CHECK(fn, ret) \
	73	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	74
fba395ee	75	static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
1da177e4	76	{
1da177e4 LT	77	tuple_t tuple;
	78	u_short buf[128];
	79	char *str;
	80	int last_ret, last_fn, i, place;
1da177e4 LT	81	DEBUG(0, "ixj_get_serial(0x%p)\n", link);
	82	tuple.TupleData = (cisdata_t *) buf;
	83	tuple.TupleOffset = 0;
	84	tuple.TupleDataMax = 80;
	85	tuple.Attributes = 0;
	86	tuple.DesiredTuple = CISTPL_VERS_1;
fba395ee DB	87	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
fba395ee DB	88	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
1da177e4 LT	89	str = (char *) buf;
	90	printk("PCMCIA Version %d.%d\n", str[0], str[1]);
	91	str += 2;
	92	printk("%s", str);
	93	str = str + strlen(str) + 1;
	94	printk(" %s", str);
	95	str = str + strlen(str) + 1;
	96	place = 1;
	97	for (i = strlen(str) - 1; i >= 0; i--) {
	98	switch (str[i]) {
	99	case '0':
	100	case '1':
	101	case '2':
	102	case '3':
	103	case '4':
	104	case '5':
	105	case '6':
	106	case '7':
	107	case '8':
	108	case '9':
	109	j->serial += (str[i] - 48) * place;
	110	break;
	111	case 'A':
	112	case 'B':
	113	case 'C':
	114	case 'D':
	115	case 'E':
	116	case 'F':
	117	j->serial += (str[i] - 55) * place;
	118	break;
	119	case 'a':
	120	case 'b':
	121	case 'c':
	122	case 'd':
	123	case 'e':
	124	case 'f':
	125	j->serial += (str[i] - 87) * place;
	126	break;
	127	}
	128	place = place * 0x10;
	129	}
	130	str = str + strlen(str) + 1;
	131	printk(" version %s\n", str);
	132	cs_failed:
	133	return;
	134	}
	135
fba395ee	136	static void ixj_config(struct pcmcia_device * link)
1da177e4 LT	137	{
1da177e4 LT	138	IXJ *j;
1da177e4 LT	139	ixj_info_t *info;
	140	tuple_t tuple;
	141	u_short buf[128];
	142	cisparse_t parse;
1da177e4 LT	143	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
	144	cistpl_cftable_entry_t dflt =
	145	{
	146	0
	147	};
	148	int last_ret, last_fn;
1da177e4 LT	149	info = link->priv;
	150	DEBUG(0, "ixj_config(0x%p)\n", link);
	151	tuple.TupleData = (cisdata_t *) buf;
	152	tuple.TupleOffset = 0;
	153	tuple.TupleDataMax = 255;
	154	tuple.Attributes = 0;
	155	tuple.DesiredTuple = CISTPL_CONFIG;
fba395ee DB	156	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	157	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
	158	CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
1da177e4 LT	159	link->conf.ConfigBase = parse.config.base;
	160	link->conf.Present = parse.config.rmask[0];
	161	link->state \|= DEV_CONFIG;
1da177e4 LT	162	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
1da177e4 LT	163	tuple.Attributes = 0;
fba395ee	164	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
1da177e4	165	while (1) {
fba395ee DB	166	if (pcmcia_get_tuple_data(link, &tuple) != 0 \|\|
fba395ee DB	167	pcmcia_parse_tuple(link, &tuple, &parse) != 0)
1da177e4 LT	168	goto next_entry;
	169	if ((cfg->io.nwin > 0) \|\| (dflt.io.nwin > 0)) {
	170	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
	171	link->conf.ConfigIndex = cfg->index;
	172	link->io.BasePort1 = io->win[0].base;
	173	link->io.NumPorts1 = io->win[0].len;
	174	if (io->nwin == 2) {
	175	link->io.BasePort2 = io->win[1].base;
	176	link->io.NumPorts2 = io->win[1].len;
	177	}
fba395ee	178	if (pcmcia_request_io(link, &link->io) != 0)
1da177e4 LT	179	goto next_entry;
	180	/* If we've got this far, we're done */
	181	break;
	182	}
	183	next_entry:
	184	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
	185	dflt = *cfg;
fba395ee	186	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
1da177e4 LT	187	}
1da177e4 LT	188
fba395ee	189	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
1da177e4 LT	190
	191	/*
	192	* Register the card with the core.
	193	*/
	194	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
	195
	196	info->ndev = 1;
	197	info->node.major = PHONE_MAJOR;
fd238232	198	link->dev_node = &info->node;
1da177e4 LT	199	ixj_get_serial(link, j);
	200	link->state &= ~DEV_CONFIG_PENDING;
	201	return;
	202	cs_failed:
fba395ee	203	cs_error(link, last_fn, last_ret);
1da177e4 LT	204	ixj_cs_release(link);
	205	}
	206
fba395ee	207	static void ixj_cs_release(struct pcmcia_device *link)
1da177e4 LT	208	{
	209	ixj_info_t *info = link->priv;
	210	DEBUG(0, "ixj_cs_release(0x%p)\n", link);
	211	info->ndev = 0;
fba395ee	212	pcmcia_disable_device(link);
1da177e4 LT	213	}
1da177e4 LT	214
07081273 DB	215	static struct pcmcia_device_id ixj_ids[] = {
	216	PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
	217	PCMCIA_DEVICE_NULL
	218	};
	219	MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
	220
1da177e4 LT	221	static struct pcmcia_driver ixj_driver = {
	222	.owner = THIS_MODULE,
	223	.drv = {
	224	.name = "ixj_cs",
	225	},
f8cfa618	226	.probe = ixj_attach,
cc3b4866	227	.remove = ixj_detach,
07081273	228	.id_table = ixj_ids,
1da177e4 LT	229	};
	230
	231	static int __init ixj_pcmcia_init(void)
	232	{
	233	return pcmcia_register_driver(&ixj_driver);
	234	}
	235
	236	static void ixj_pcmcia_exit(void)
	237	{
	238	pcmcia_unregister_driver(&ixj_driver);
1da177e4 LT	239	}
	240
	241	module_init(ixj_pcmcia_init);
	242	module_exit(ixj_pcmcia_exit);
	243
	244	MODULE_LICENSE("GPL");