[mirror_ubuntu-zesty-kernel.git] / drivers / telephony / ixj_pcmcia.c

#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/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 = 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)
{
	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>
1da177e4 LT	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
1da177e4 LT	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	#ifdef PCMCIA_DEBUG
	23	static int pc_debug = PCMCIA_DEBUG;
	24	module_param(pc_debug, int, 0644);
	25	#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
	26	#else
	27	#define DEBUG(n, args...)
	28	#endif
	29
	30	typedef struct ixj_info_t {
	31	int ndev;
	32	dev_node_t node;
	33	struct ixj *port;
	34	} ixj_info_t;
	35
cc3b4866	36	static void ixj_detach(struct pcmcia_device *p_dev);
15b99ac1	37	static int ixj_config(struct pcmcia_device * link);
fba395ee	38	static void ixj_cs_release(struct pcmcia_device * link);
1da177e4	39
15b99ac1	40	static int ixj_probe(struct pcmcia_device *p_dev)
1da177e4	41	{
1da177e4 LT	42	DEBUG(0, "ixj_attach()\n");
1da177e4 LT	43	/* Create new ixj device */
fd238232 DB	44	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	45	p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
	46	p_dev->io.IOAddrLines = 3;
	47	p_dev->conf.IntType = INT_MEMORY_AND_IO;
dd00cc48	48	p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
fd238232	49	if (!p_dev->priv) {
f8cfa618	50	return -ENOMEM;
1da177e4	51	}
f8cfa618	52
15b99ac1	53	return ixj_config(p_dev);
1da177e4 LT	54	}
1da177e4 LT	55
fba395ee	56	static void ixj_detach(struct pcmcia_device *link)
1da177e4	57	{
1da177e4	58	DEBUG(0, "ixj_detach(0x%p)\n", link);
b4635811	59
e2d40963	60	ixj_cs_release(link);
cc3b4866	61
1da177e4	62	kfree(link->priv);
1da177e4 LT	63	}
	64
	65	#define CS_CHECK(fn, ret) \
	66	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	67
fba395ee	68	static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
1da177e4	69	{
1da177e4	70	char *str;
a9606fd3	71	int i, place;
1da177e4	72	DEBUG(0, "ixj_get_serial(0x%p)\n", link);
a9606fd3 DB	73
	74	str = link->prod_id[0];
	75	if (!str)
	76	goto cs_failed;
1da177e4	77	printk("%s", str);
a9606fd3 DB	78	str = link->prod_id[1];
	79	if (!str)
	80	goto cs_failed;
1da177e4	81	printk(" %s", str);
a9606fd3 DB	82	str = link->prod_id[2];
	83	if (!str)
	84	goto cs_failed;
1da177e4 LT	85	place = 1;
	86	for (i = strlen(str) - 1; i >= 0; i--) {
	87	switch (str[i]) {
	88	case '0':
	89	case '1':
	90	case '2':
	91	case '3':
	92	case '4':
	93	case '5':
	94	case '6':
	95	case '7':
	96	case '8':
	97	case '9':
	98	j->serial += (str[i] - 48) * place;
	99	break;
	100	case 'A':
	101	case 'B':
	102	case 'C':
	103	case 'D':
	104	case 'E':
	105	case 'F':
	106	j->serial += (str[i] - 55) * place;
	107	break;
	108	case 'a':
	109	case 'b':
	110	case 'c':
	111	case 'd':
	112	case 'e':
	113	case 'f':
	114	j->serial += (str[i] - 87) * place;
	115	break;
	116	}
	117	place = place * 0x10;
	118	}
a9606fd3 DB	119	str = link->prod_id[3];
	120	if (!str)
	121	goto cs_failed;
1da177e4 LT	122	printk(" version %s\n", str);
	123	cs_failed:
	124	return;
	125	}
	126
15b99ac1	127	static int ixj_config(struct pcmcia_device * link)
1da177e4 LT	128	{
1da177e4 LT	129	IXJ *j;
1da177e4 LT	130	ixj_info_t *info;
	131	tuple_t tuple;
	132	u_short buf[128];
	133	cisparse_t parse;
1da177e4 LT	134	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
	135	cistpl_cftable_entry_t dflt =
	136	{
	137	0
	138	};
	139	int last_ret, last_fn;
1da177e4 LT	140	info = link->priv;
	141	DEBUG(0, "ixj_config(0x%p)\n", link);
	142	tuple.TupleData = (cisdata_t *) buf;
	143	tuple.TupleOffset = 0;
	144	tuple.TupleDataMax = 255;
1da177e4 LT	145	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
1da177e4 LT	146	tuple.Attributes = 0;
fba395ee	147	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
1da177e4	148	while (1) {
fba395ee DB	149	if (pcmcia_get_tuple_data(link, &tuple) != 0 \|\|
fba395ee DB	150	pcmcia_parse_tuple(link, &tuple, &parse) != 0)
1da177e4 LT	151	goto next_entry;
	152	if ((cfg->io.nwin > 0) \|\| (dflt.io.nwin > 0)) {
	153	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
	154	link->conf.ConfigIndex = cfg->index;
	155	link->io.BasePort1 = io->win[0].base;
	156	link->io.NumPorts1 = io->win[0].len;
	157	if (io->nwin == 2) {
	158	link->io.BasePort2 = io->win[1].base;
	159	link->io.NumPorts2 = io->win[1].len;
	160	}
fba395ee	161	if (pcmcia_request_io(link, &link->io) != 0)
1da177e4 LT	162	goto next_entry;
	163	/* If we've got this far, we're done */
	164	break;
	165	}
	166	next_entry:
	167	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
	168	dflt = *cfg;
fba395ee	169	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
1da177e4 LT	170	}
1da177e4 LT	171
fba395ee	172	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
1da177e4 LT	173
	174	/*
	175	* Register the card with the core.
	176	*/
	177	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
	178
	179	info->ndev = 1;
	180	info->node.major = PHONE_MAJOR;
fd238232	181	link->dev_node = &info->node;
1da177e4	182	ixj_get_serial(link, j);
15b99ac1	183	return 0;
1da177e4	184	cs_failed:
fba395ee	185	cs_error(link, last_fn, last_ret);
1da177e4	186	ixj_cs_release(link);
15b99ac1	187	return -ENODEV;
1da177e4 LT	188	}
1da177e4 LT	189
fba395ee	190	static void ixj_cs_release(struct pcmcia_device *link)
1da177e4 LT	191	{
	192	ixj_info_t *info = link->priv;
	193	DEBUG(0, "ixj_cs_release(0x%p)\n", link);
	194	info->ndev = 0;
fba395ee	195	pcmcia_disable_device(link);
1da177e4 LT	196	}
1da177e4 LT	197
07081273 DB	198	static struct pcmcia_device_id ixj_ids[] = {
	199	PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
	200	PCMCIA_DEVICE_NULL
	201	};
	202	MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
	203
1da177e4 LT	204	static struct pcmcia_driver ixj_driver = {
	205	.owner = THIS_MODULE,
	206	.drv = {
	207	.name = "ixj_cs",
	208	},
15b99ac1	209	.probe = ixj_probe,
cc3b4866	210	.remove = ixj_detach,
07081273	211	.id_table = ixj_ids,
1da177e4 LT	212	};
	213
	214	static int __init ixj_pcmcia_init(void)
	215	{
	216	return pcmcia_register_driver(&ixj_driver);
	217	}
	218
	219	static void ixj_pcmcia_exit(void)
	220	{
	221	pcmcia_unregister_driver(&ixj_driver);
1da177e4 LT	222	}
	223
	224	module_init(ixj_pcmcia_init);
	225	module_exit(ixj_pcmcia_exit);
	226
	227	MODULE_LICENSE("GPL");