[linux-block.git] / sound / pcmcia / vx / vxpocket.c

/*
 * Driver for Digigram VXpocket V2/440 soundcards
 *
 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */


#include <linux/init.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include "vxpocket.h"
#include <pcmcia/ciscode.h>
#include <pcmcia/cisreg.h>
#include <sound/initval.h>
#include <sound/tlv.h>

/*
 */

MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("Digigram VXPocket");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable switches */
static int ibl[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
module_param_array(ibl, int, NULL, 0444);
MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
 

/*
 */

static unsigned int card_alloc;


/*
 */
static void vxpocket_release(struct pcmcia_device *link)
{
	pcmcia_disable_device(link);
}

/*
 * destructor, called from snd_card_free_when_closed()
 */
static int snd_vxpocket_dev_free(struct snd_device *device)
{
	struct vx_core *chip = device->device_data;

	snd_vx_free_firmware(chip);
	kfree(chip);
	return 0;
}


/*
 * Hardware information
 */

/* VX-pocket V2
 *
 * 1 DSP, 1 sync UER
 * 1 programmable clock (NIY)
 * 1 stereo analog input (line/micro)
 * 1 stereo analog output
 * Only output levels can be modified
 */

static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);

static struct snd_vx_hardware vxpocket_hw = {
	.name = "VXPocket",
	.type = VX_TYPE_VXPOCKET,

	/* hardware specs */
	.num_codecs = 1,
	.num_ins = 1,
	.num_outs = 1,
	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
	.output_level_db_scale = db_scale_old_vol,
};	

/* VX-pocket 440
 *
 * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
 * SMPTE (NIY)
 * 2 stereo analog input (line/micro)
 * 2 stereo analog output
 * Only output levels can be modified
 * UER, but only for the first two inputs and outputs.
 */

static struct snd_vx_hardware vxp440_hw = {
	.name = "VXPocket440",
	.type = VX_TYPE_VXP440,

	/* hardware specs */
	.num_codecs = 2,
	.num_ins = 2,
	.num_outs = 2,
	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
	.output_level_db_scale = db_scale_old_vol,
};	


/*
 * create vxpocket instance
 */
static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl,
					     struct pcmcia_device *link)
{
	struct vx_core *chip;
	struct snd_vxpocket *vxp;
	static struct snd_device_ops ops = {
		.dev_free =	snd_vxpocket_dev_free,
	};

	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
			     sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
	if (! chip)
		return NULL;

	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
		kfree(chip);
		return NULL;
	}
	chip->ibl.size = ibl;

	vxp = (struct snd_vxpocket *)chip;

	vxp->p_dev = link;
	link->priv = chip;

	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.NumPorts1 = 16;

	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;

	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	link->irq.Handler = &snd_vx_irq_handler;
	link->irq.Instance = chip;

	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.ConfigIndex = 1;
	link->conf.Present = PRESENT_OPTION;

	return vxp;
}


/**
 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 * @port: i/o port for the card
 * @irq: irq number for the card
 *
 * this function assigns the specified port and irq, boot the card,
 * create pcm and control instances, and initialize the rest hardware.
 *
 * returns 0 if successful, or a negative error code.
 */
static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
{
	int err;
	struct snd_card *card = chip->card;
	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;

	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
	vxp->port = port;

	sprintf(card->shortname, "Digigram %s", card->driver);
	sprintf(card->longname, "%s at 0x%x, irq %i",
		card->shortname, port, irq);

	chip->irq = irq;

	if ((err = snd_vx_setup_firmware(chip)) < 0)
		return err;

	return 0;
}


/*
 * configuration callback
 */

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

static int vxpocket_config(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;
	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
	int last_fn, last_ret;

	snd_printdd(KERN_DEBUG "vxpocket_config called\n");

	/* redefine hardware record according to the VERSION1 string */
	if (!strcmp(link->prod_id[1], "VX-POCKET")) {
		snd_printdd("VX-pocket is detected\n");
	} else {
		snd_printdd("VX-pocket 440 is detected\n");
		/* overwrite the hardware information */
		chip->hw = &vxp440_hw;
		chip->type = vxp440_hw.type;
		strcpy(chip->card->driver, vxp440_hw.name);
	}

	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

	chip->dev = &handle_to_dev(link);
	snd_card_set_dev(chip->card, chip->dev);

	if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
		goto failed;

	link->dev_node = &vxp->node;
	return 0;

cs_failed:
	cs_error(link, last_fn, last_ret);
failed:
	pcmcia_disable_device(link);
	return -ENODEV;
}

#ifdef CONFIG_PM

static int vxp_suspend(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "SUSPEND\n");
	if (chip) {
		snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
		snd_vx_suspend(chip, PMSG_SUSPEND);
	}

	return 0;
}

static int vxp_resume(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "RESUME\n");
	if (pcmcia_dev_present(link)) {
		//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
		if (chip) {
			snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
			snd_vx_resume(chip);
		}
	}
	snd_printdd(KERN_DEBUG "resume done!\n");

	return 0;
}

#endif


/*
 */
static int vxpocket_probe(struct pcmcia_device *p_dev)
{
	struct snd_card *card;
	struct snd_vxpocket *vxp;
	int i, err;

	/* find an empty slot from the card list */
	for (i = 0; i < SNDRV_CARDS; i++) {
		if (!(card_alloc & (1 << i)))
			break;
	}
	if (i >= SNDRV_CARDS) {
		snd_printk(KERN_ERR "vxpocket: too many cards found\n");
		return -EINVAL;
	}
	if (! enable[i])
		return -ENODEV; /* disabled explicitly */

	/* ok, create a card instance */
	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
	if (err < 0) {
		snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
		return err;
	}

	vxp = snd_vxpocket_new(card, ibl[i], p_dev);
	if (! vxp) {
		snd_card_free(card);
		return -ENODEV;
	}
	card->private_data = vxp;

	vxp->index = i;
	card_alloc |= 1 << i;

	vxp->p_dev = p_dev;

	return vxpocket_config(p_dev);
}

static void vxpocket_detach(struct pcmcia_device *link)
{
	struct snd_vxpocket *vxp;
	struct vx_core *chip;

	if (! link)
		return;

	vxp = link->priv;
	chip = (struct vx_core *)vxp;
	card_alloc &= ~(1 << vxp->index);

	chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
	snd_card_disconnect(chip->card);
	vxpocket_release(link);
	snd_card_free_when_closed(chip->card);
}

/*
 * Module entry points
 */

static struct pcmcia_device_id vxp_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
	PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, vxp_ids);

static struct pcmcia_driver vxp_cs_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "snd-vxpocket",
	},
	.probe		= vxpocket_probe,
	.remove		= vxpocket_detach,
	.id_table	= vxp_ids,
#ifdef CONFIG_PM
	.suspend	= vxp_suspend,
	.resume		= vxp_resume,
#endif
};

static int __init init_vxpocket(void)
{
	return pcmcia_register_driver(&vxp_cs_driver);
}

static void __exit exit_vxpocket(void)
{
	pcmcia_unregister_driver(&vxp_cs_driver);
}

module_init(init_vxpocket);
module_exit(exit_vxpocket);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Driver for Digigram VXpocket V2/440 soundcards
	3	*
	4	* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
1da177e4	21
1da177e4 LT	22	#include <linux/init.h>
	23	#include <linux/moduleparam.h>
	24	#include <sound/core.h>
1da177e4	25	#include "vxpocket.h"
6d00a312 TI	26	#include <pcmcia/ciscode.h>
6d00a312 TI	27	#include <pcmcia/cisreg.h>
1da177e4	28	#include <sound/initval.h>
1186ed8c	29	#include <sound/tlv.h>
1da177e4 LT	30
	31	/*
	32	*/
	33
1da177e4	34	MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
6d00a312	35	MODULE_DESCRIPTION("Digigram VXPocket");
1da177e4	36	MODULE_LICENSE("GPL");
6d00a312	37	MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
1da177e4 LT	38
	39	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	40	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	41	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
	42	static int ibl[SNDRV_CARDS];
	43
	44	module_param_array(index, int, NULL, 0444);
6d00a312	45	MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
1da177e4	46	module_param_array(id, charp, NULL, 0444);
6d00a312	47	MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
1da177e4	48	module_param_array(enable, bool, NULL, 0444);
6d00a312	49	MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
1da177e4	50	module_param_array(ibl, int, NULL, 0444);
6d00a312	51	MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
1da177e4 LT	52
	53
	54	/*
	55	*/
	56
6d00a312	57	static unsigned int card_alloc;
1da177e4	58
1da177e4	59
6d00a312 TI	60	/*
6d00a312 TI	61	*/
fba395ee	62	static void vxpocket_release(struct pcmcia_device *link)
6d00a312	63	{
fba395ee	64	pcmcia_disable_device(link);
6d00a312	65	}
1da177e4	66
6d00a312	67	/*
2b29b13c	68	* destructor, called from snd_card_free_when_closed()
6d00a312	69	*/
af26367f	70	static int snd_vxpocket_dev_free(struct snd_device *device)
6d00a312	71	{
af26367f	72	struct vx_core *chip = device->device_data;
1da177e4	73
6d00a312 TI	74	snd_vx_free_firmware(chip);
	75	kfree(chip);
	76	return 0;
	77	}
1da177e4	78
1da177e4	79
6d00a312 TI	80	/*
	81	* Hardware information
	82	*/
	83
	84	/* VX-pocket V2
	85	*
	86	* 1 DSP, 1 sync UER
	87	* 1 programmable clock (NIY)
	88	* 1 stereo analog input (line/micro)
	89	* 1 stereo analog output
	90	* Only output levels can be modified
	91	*/
	92
0cb29ea0	93	static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
1186ed8c	94
6d00a312 TI	95	static struct snd_vx_hardware vxpocket_hw = {
	96	.name = "VXPocket",
	97	.type = VX_TYPE_VXPOCKET,
1da177e4 LT	98
1da177e4 LT	99	/* hardware specs */
6d00a312 TI	100	.num_codecs = 1,
	101	.num_ins = 1,
	102	.num_outs = 1,
1da177e4	103	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
1186ed8c	104	.output_level_db_scale = db_scale_old_vol,
1da177e4 LT	105	};
1da177e4 LT	106
6d00a312 TI	107	/* VX-pocket 440
	108	*
	109	* 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
	110	* SMPTE (NIY)
	111	* 2 stereo analog input (line/micro)
	112	* 2 stereo analog output
	113	* Only output levels can be modified
	114	* UER, but only for the first two inputs and outputs.
	115	*/
1da177e4	116
6d00a312 TI	117	static struct snd_vx_hardware vxp440_hw = {
	118	.name = "VXPocket440",
	119	.type = VX_TYPE_VXP440,
	120
	121	/* hardware specs */
	122	.num_codecs = 2,
	123	.num_ins = 2,
	124	.num_outs = 2,
	125	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
1186ed8c	126	.output_level_db_scale = db_scale_old_vol,
6d00a312 TI	127	};
	128
	129
	130	/*
	131	* create vxpocket instance
	132	*/
fd238232	133	static struct snd_vxpocket snd_vxpocket_new(struct snd_card card, int ibl,
fba395ee	134	struct pcmcia_device *link)
6d00a312	135	{
af26367f	136	struct vx_core *chip;
6d00a312	137	struct snd_vxpocket *vxp;
af26367f	138	static struct snd_device_ops ops = {
6d00a312 TI	139	.dev_free = snd_vxpocket_dev_free,
	140	};
	141
	142	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
af26367f	143	sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
6d00a312 TI	144	if (! chip)
	145	return NULL;
	146
	147	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
	148	kfree(chip);
	149	return NULL;
	150	}
	151	chip->ibl.size = ibl;
	152
	153	vxp = (struct snd_vxpocket *)chip;
	154
fba395ee	155	vxp->p_dev = link;
6d00a312 TI	156	link->priv = chip;
	157
	158	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	159	link->io.NumPorts1 = 16;
	160
	161	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE \| IRQ_HANDLE_PRESENT;
	162
	163	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	164	link->irq.Handler = &snd_vx_irq_handler;
	165	link->irq.Instance = chip;
	166
	167	link->conf.Attributes = CONF_ENABLE_IRQ;
6d00a312 TI	168	link->conf.IntType = INT_MEMORY_AND_IO;
	169	link->conf.ConfigIndex = 1;
	170	link->conf.Present = PRESENT_OPTION;
	171
6d00a312 TI	172	return vxp;
	173	}
	174
	175
	176	/**
	177	* snd_vxpocket_assign_resources - initialize the hardware and card instance.
	178	* @port: i/o port for the card
	179	* @irq: irq number for the card
	180	*
	181	* this function assigns the specified port and irq, boot the card,
	182	* create pcm and control instances, and initialize the rest hardware.
	183	*
	184	* returns 0 if successful, or a negative error code.
	185	*/
af26367f	186	static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
6d00a312 TI	187	{
6d00a312 TI	188	int err;
af26367f	189	struct snd_card *card = chip->card;
6d00a312 TI	190	struct snd_vxpocket vxp = (struct snd_vxpocket )chip;
	191
	192	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
	193	vxp->port = port;
	194
	195	sprintf(card->shortname, "Digigram %s", card->driver);
	196	sprintf(card->longname, "%s at 0x%x, irq %i",
	197	card->shortname, port, irq);
	198
	199	chip->irq = irq;
	200
	201	if ((err = snd_vx_setup_firmware(chip)) < 0)
	202	return err;
	203
	204	return 0;
	205	}
	206
	207
	208	/*
	209	* configuration callback
	210	*/
	211
	212	#define CS_CHECK(fn, ret) \
	213	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	214
15b99ac1	215	static int vxpocket_config(struct pcmcia_device *link)
6d00a312	216	{
af26367f	217	struct vx_core *chip = link->priv;
6d00a312	218	struct snd_vxpocket vxp = (struct snd_vxpocket )chip;
6d00a312 TI	219	int last_fn, last_ret;
	220
	221	snd_printdd(KERN_DEBUG "vxpocket_config called\n");
6d00a312 TI	222
6d00a312 TI	223	/* redefine hardware record according to the VERSION1 string */
af2b3b50	224	if (!strcmp(link->prod_id[1], "VX-POCKET")) {
6d00a312 TI	225	snd_printdd("VX-pocket is detected\n");
	226	} else {
	227	snd_printdd("VX-pocket 440 is detected\n");
	228	/* overwrite the hardware information */
	229	chip->hw = &vxp440_hw;
	230	chip->type = vxp440_hw.type;
	231	strcpy(chip->card->driver, vxp440_hw.name);
	232	}
	233
fba395ee DB	234	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
	235	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	236	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
6d00a312	237
fba395ee	238	chip->dev = &handle_to_dev(link);
5ba094db	239	snd_card_set_dev(chip->card, chip->dev);
6d00a312 TI	240
	241	if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
	242	goto failed;
	243
fd238232	244	link->dev_node = &vxp->node;
79ca4f3f	245	return 0;
6d00a312 TI	246
6d00a312 TI	247	cs_failed:
fba395ee	248	cs_error(link, last_fn, last_ret);
6d00a312	249	failed:
fba395ee	250	pcmcia_disable_device(link);
15b99ac1	251	return -ENODEV;
6d00a312 TI	252	}
6d00a312 TI	253
efe3cd10	254	#ifdef CONFIG_PM
6d00a312	255
fba395ee	256	static int vxp_suspend(struct pcmcia_device *link)
6d00a312	257	{
af26367f	258	struct vx_core *chip = link->priv;
6d00a312	259
efe3cd10	260	snd_printdd(KERN_DEBUG "SUSPEND\n");
efe3cd10 DB	261	if (chip) {
	262	snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
	263	snd_vx_suspend(chip, PMSG_SUSPEND);
	264	}
efe3cd10 DB	265
	266	return 0;
	267	}
	268
fba395ee	269	static int vxp_resume(struct pcmcia_device *link)
efe3cd10	270	{
efe3cd10 DB	271	struct vx_core *chip = link->priv;
	272
	273	snd_printdd(KERN_DEBUG "RESUME\n");
9940ec36	274	if (pcmcia_dev_present(link)) {
efe3cd10	275	//struct snd_vxpocket vxp = (struct snd_vxpocket )chip;
0ed1cad1	276	if (chip) {
efe3cd10 DB	277	snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
efe3cd10 DB	278	snd_vx_resume(chip);
6d00a312	279	}
6d00a312	280	}
efe3cd10 DB	281	snd_printdd(KERN_DEBUG "resume done!\n");
efe3cd10 DB	282
6d00a312 TI	283	return 0;
6d00a312 TI	284	}
1da177e4	285
efe3cd10 DB	286	#endif
efe3cd10 DB	287
1da177e4 LT	288
	289	/*
	290	*/
15b99ac1	291	static int vxpocket_probe(struct pcmcia_device *p_dev)
1da177e4	292	{
af26367f	293	struct snd_card *card;
6d00a312	294	struct snd_vxpocket *vxp;
bd7dd77c	295	int i, err;
6d00a312 TI	296
	297	/* find an empty slot from the card list */
	298	for (i = 0; i < SNDRV_CARDS; i++) {
27fe0f4b	299	if (!(card_alloc & (1 << i)))
6d00a312 TI	300	break;
	301	}
	302	if (i >= SNDRV_CARDS) {
	303	snd_printk(KERN_ERR "vxpocket: too many cards found\n");
efe3cd10	304	return -EINVAL;
6d00a312 TI	305	}
6d00a312 TI	306	if (! enable[i])
efe3cd10	307	return -ENODEV; /* disabled explicitly */
6d00a312 TI	308
6d00a312 TI	309	/* ok, create a card instance */
bd7dd77c TI	310	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
bd7dd77c TI	311	if (err < 0) {
6d00a312	312	snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
bd7dd77c	313	return err;
6d00a312 TI	314	}
6d00a312 TI	315
fd238232	316	vxp = snd_vxpocket_new(card, ibl[i], p_dev);
6d00a312 TI	317	if (! vxp) {
6d00a312 TI	318	snd_card_free(card);
efe3cd10	319	return -ENODEV;
6d00a312	320	}
0ed1cad1	321	card->private_data = vxp;
6d00a312	322
adf111e6	323	vxp->index = i;
6d00a312 TI	324	card_alloc \|= 1 << i;
6d00a312 TI	325
fd238232	326	vxp->p_dev = p_dev;
efe3cd10	327
15b99ac1	328	return vxpocket_config(p_dev);
1da177e4 LT	329	}
1da177e4 LT	330
fba395ee	331	static void vxpocket_detach(struct pcmcia_device *link)
1da177e4	332	{
6d00a312	333	struct snd_vxpocket *vxp;
af26367f	334	struct vx_core *chip;
6d00a312 TI	335
	336	if (! link)
	337	return;
	338
	339	vxp = link->priv;
af26367f	340	chip = (struct vx_core *)vxp;
6d00a312 TI	341	card_alloc &= ~(1 << vxp->index);
6d00a312 TI	342
6d00a312 TI	343	chip->chip_status \|= VX_STAT_IS_STALE; /* to be sure */
	344	snd_card_disconnect(chip->card);
	345	vxpocket_release(link);
2b29b13c	346	snd_card_free_when_closed(chip->card);
1da177e4 LT	347	}
	348
	349	/*
	350	* Module entry points
	351	*/
	352
e9a07afd DB	353	static struct pcmcia_device_id vxp_ids[] = {
	354	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
	355	PCMCIA_DEVICE_NULL
	356	};
	357	MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
	358
1da177e4 LT	359	static struct pcmcia_driver vxp_cs_driver = {
	360	.owner = THIS_MODULE,
	361	.drv = {
6d00a312	362	.name = "snd-vxpocket",
1da177e4	363	},
15b99ac1	364	.probe = vxpocket_probe,
efe3cd10	365	.remove = vxpocket_detach,
e9a07afd	366	.id_table = vxp_ids,
efe3cd10 DB	367	#ifdef CONFIG_PM
	368	.suspend = vxp_suspend,
	369	.resume = vxp_resume,
	370	#endif
1da177e4 LT	371	};
	372
	373	static int __init init_vxpocket(void)
	374	{
	375	return pcmcia_register_driver(&vxp_cs_driver);
	376	}
	377
	378	static void __exit exit_vxpocket(void)
	379	{
	380	pcmcia_unregister_driver(&vxp_cs_driver);
1da177e4 LT	381	}
	382
	383	module_init(init_vxpocket);
	384	module_exit(exit_vxpocket);