[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(dev_link_t * link);
static void ixj_cs_release(dev_link_t * link);

static int ixj_attach(struct pcmcia_device *p_dev)
{
	dev_link_t *link;

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

	link->handle = p_dev;
	p_dev->instance = link;

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

	return 0;
}

static void ixj_detach(struct pcmcia_device *p_dev)
{
	dev_link_t *link = dev_to_instance(p_dev);

	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);
        kfree(link);
}

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

static void ixj_get_serial(dev_link_t * link, IXJ * j)
{
	client_handle_t handle;
	tuple_t tuple;
	u_short buf[128];
	char *str;
	int last_ret, last_fn, i, place;
	handle = link->handle;
	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(handle, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &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(dev_link_t * link)
{
	IXJ *j;
	client_handle_t handle;
	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;
	handle = link->handle;
	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(handle, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &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(handle, &tuple));
	while (1) {
		if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
				pcmcia_parse_tuple(handle, &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->handle, &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(handle, &tuple));
	}

	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &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 = &info->node;
	ixj_get_serial(link, j);
	link->state &= ~DEV_CONFIG_PENDING;
	return;
      cs_failed:
	cs_error(link->handle, last_fn, last_ret);
	ixj_cs_release(link);
}

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

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);
1da177e4 LT	38	static void ixj_config(dev_link_t * link);
1da177e4 LT	39	static void ixj_cs_release(dev_link_t * link);
1da177e4	40
f8cfa618	41	static int ixj_attach(struct pcmcia_device *p_dev)
1da177e4	42	{
1da177e4	43	dev_link_t *link;
f8cfa618	44
1da177e4 LT	45	DEBUG(0, "ixj_attach()\n");
	46	/* Create new ixj device */
	47	link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
	48	if (!link)
f8cfa618	49	return -ENOMEM;
1da177e4 LT	50	memset(link, 0, sizeof(struct dev_link_t));
	51	link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	52	link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
	53	link->io.IOAddrLines = 3;
1da177e4 LT	54	link->conf.IntType = INT_MEMORY_AND_IO;
	55	link->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
	56	if (!link->priv) {
	57	kfree(link);
f8cfa618	58	return -ENOMEM;
1da177e4 LT	59	}
1da177e4 LT	60	memset(link->priv, 0, sizeof(struct ixj_info_t));
f8cfa618 DB	61
	62	link->handle = p_dev;
	63	p_dev->instance = link;
	64
	65	link->state \|= DEV_PRESENT \| DEV_CONFIG_PENDING;
	66	ixj_config(link);
	67
	68	return 0;
1da177e4 LT	69	}
1da177e4 LT	70
cc3b4866	71	static void ixj_detach(struct pcmcia_device *p_dev)
1da177e4	72	{
cc3b4866	73	dev_link_t *link = dev_to_instance(p_dev);
cc3b4866	74
1da177e4	75	DEBUG(0, "ixj_detach(0x%p)\n", link);
b4635811	76
1da177e4 LT	77	link->state &= ~DEV_RELEASE_PENDING;
	78	if (link->state & DEV_CONFIG)
	79	ixj_cs_release(link);
cc3b4866	80
1da177e4 LT	81	kfree(link->priv);
	82	kfree(link);
	83	}
	84
	85	#define CS_CHECK(fn, ret) \
	86	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	87
	88	static void ixj_get_serial(dev_link_t * link, IXJ * j)
	89	{
	90	client_handle_t handle;
	91	tuple_t tuple;
	92	u_short buf[128];
	93	char *str;
	94	int last_ret, last_fn, i, place;
	95	handle = link->handle;
	96	DEBUG(0, "ixj_get_serial(0x%p)\n", link);
	97	tuple.TupleData = (cisdata_t *) buf;
	98	tuple.TupleOffset = 0;
	99	tuple.TupleDataMax = 80;
	100	tuple.Attributes = 0;
	101	tuple.DesiredTuple = CISTPL_VERS_1;
	102	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	103	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	104	str = (char *) buf;
	105	printk("PCMCIA Version %d.%d\n", str[0], str[1]);
	106	str += 2;
	107	printk("%s", str);
	108	str = str + strlen(str) + 1;
	109	printk(" %s", str);
	110	str = str + strlen(str) + 1;
	111	place = 1;
	112	for (i = strlen(str) - 1; i >= 0; i--) {
	113	switch (str[i]) {
	114	case '0':
	115	case '1':
	116	case '2':
	117	case '3':
	118	case '4':
	119	case '5':
	120	case '6':
	121	case '7':
	122	case '8':
	123	case '9':
	124	j->serial += (str[i] - 48) * place;
	125	break;
	126	case 'A':
	127	case 'B':
	128	case 'C':
	129	case 'D':
	130	case 'E':
	131	case 'F':
	132	j->serial += (str[i] - 55) * place;
	133	break;
	134	case 'a':
	135	case 'b':
	136	case 'c':
	137	case 'd':
	138	case 'e':
	139	case 'f':
	140	j->serial += (str[i] - 87) * place;
	141	break;
	142	}
	143	place = place * 0x10;
	144	}
145	str = str + strlen(str) + 1;
146	printk(" version %s\n", str);
147	cs_failed:
148	return;
149	}
150
151	static void ixj_config(dev_link_t * link)
152	{
153	IXJ *j;
154	client_handle_t handle;
155	ixj_info_t *info;
156	tuple_t tuple;
157	u_short buf[128];
158	cisparse_t parse;
1da177e4 LT	159	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
	160	cistpl_cftable_entry_t dflt =
	161	{
	162	0
	163	};
	164	int last_ret, last_fn;
	165	handle = link->handle;
	166	info = link->priv;
	167	DEBUG(0, "ixj_config(0x%p)\n", link);
	168	tuple.TupleData = (cisdata_t *) buf;
	169	tuple.TupleOffset = 0;
	170	tuple.TupleDataMax = 255;
	171	tuple.Attributes = 0;
	172	tuple.DesiredTuple = CISTPL_CONFIG;
	173	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	174	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	175	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
	176	link->conf.ConfigBase = parse.config.base;
	177	link->conf.Present = parse.config.rmask[0];
	178	link->state \|= DEV_CONFIG;
1da177e4 LT	179	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	180	tuple.Attributes = 0;
	181	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	182	while (1) {
	183	if (pcmcia_get_tuple_data(handle, &tuple) != 0 \|\|
	184	pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
	185	goto next_entry;
	186	if ((cfg->io.nwin > 0) \|\| (dflt.io.nwin > 0)) {
	187	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
	188	link->conf.ConfigIndex = cfg->index;
	189	link->io.BasePort1 = io->win[0].base;
	190	link->io.NumPorts1 = io->win[0].len;
	191	if (io->nwin == 2) {
	192	link->io.BasePort2 = io->win[1].base;
	193	link->io.NumPorts2 = io->win[1].len;
	194	}
	195	if (pcmcia_request_io(link->handle, &link->io) != 0)
	196	goto next_entry;
	197	/* If we've got this far, we're done */
	198	break;
	199	}
	200	next_entry:
	201	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
	202	dflt = *cfg;
	203	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
	204	}
	205
	206	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
	207
	208	/*
	209	* Register the card with the core.
	210	*/
	211	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
	212
	213	info->ndev = 1;
	214	info->node.major = PHONE_MAJOR;
	215	link->dev = &info->node;
	216	ixj_get_serial(link, j);
	217	link->state &= ~DEV_CONFIG_PENDING;
	218	return;
	219	cs_failed:
	220	cs_error(link->handle, last_fn, last_ret);
	221	ixj_cs_release(link);
	222	}
	223
	224	static void ixj_cs_release(dev_link_t *link)
	225	{
	226	ixj_info_t *info = link->priv;
	227	DEBUG(0, "ixj_cs_release(0x%p)\n", link);
	228	info->ndev = 0;
50db3fdb	229	pcmcia_disable_device(link->handle);
1da177e4 LT	230	}
1da177e4 LT	231
07081273 DB	232	static struct pcmcia_device_id ixj_ids[] = {
	233	PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
	234	PCMCIA_DEVICE_NULL
	235	};
	236	MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
	237
1da177e4 LT	238	static struct pcmcia_driver ixj_driver = {
	239	.owner = THIS_MODULE,
	240	.drv = {
	241	.name = "ixj_cs",
	242	},
f8cfa618	243	.probe = ixj_attach,
cc3b4866	244	.remove = ixj_detach,
07081273	245	.id_table = ixj_ids,
1da177e4 LT	246	};
	247
	248	static int __init ixj_pcmcia_init(void)
	249	{
	250	return pcmcia_register_driver(&ixj_driver);
	251	}
	252
	253	static void ixj_pcmcia_exit(void)
	254	{
	255	pcmcia_unregister_driver(&ixj_driver);
1da177e4 LT	256	}
	257
	258	module_init(ixj_pcmcia_init);
	259	module_exit(ixj_pcmcia_exit);
	260
	261	MODULE_LICENSE("GPL");