[net-next-2.6.git] / sound / pcmcia / pdaudiocf / pdaudiocf.c

/*
 * Driver for Sound Core PDAudioCF soundcard
 *
 * Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
 *
 *   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 <sound/core.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <pcmcia/ciscode.h>
#include <pcmcia/cisreg.h>
#include "pdaudiocf.h"
#include <sound/initval.h>
#include <linux/init.h>

/*
 */

#define CARD_NAME	"PDAudio-CF"

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Sound Core " CARD_NAME);
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}");

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 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");

/*
 */

static struct snd_card *card_list[SNDRV_CARDS];

/*
 * prototypes
 */
static int pdacf_config(struct pcmcia_device *link);
static void snd_pdacf_detach(struct pcmcia_device *p_dev);

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

/*
 * destructor
 */
static int snd_pdacf_free(struct snd_pdacf *pdacf)
{
	struct pcmcia_device *link = pdacf->p_dev;

	pdacf_release(link);

	card_list[pdacf->index] = NULL;
	pdacf->card = NULL;

	kfree(pdacf);
	return 0;
}

static int snd_pdacf_dev_free(struct snd_device *device)
{
	struct snd_pdacf *chip = device->device_data;
	return snd_pdacf_free(chip);
}

/*
 * snd_pdacf_attach - attach callback for cs
 */
static int snd_pdacf_probe(struct pcmcia_device *link)
{
	int i, err;
	struct snd_pdacf *pdacf;
	struct snd_card *card;
	static struct snd_device_ops ops = {
		.dev_free =	snd_pdacf_dev_free,
	};

	snd_printdd(KERN_DEBUG "pdacf_attach called\n");
	/* find an empty slot from the card list */
	for (i = 0; i < SNDRV_CARDS; i++) {
		if (! card_list[i])
			break;
	}
	if (i >= SNDRV_CARDS) {
		snd_printk(KERN_ERR "pdacf: 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 "pdacf: cannot create a card instance\n");
		return err;
	}

	pdacf = snd_pdacf_create(card);
	if (!pdacf) {
		snd_card_free(card);
		return -ENOMEM;
	}

	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops);
	if (err < 0) {
		kfree(pdacf);
		snd_card_free(card);
		return err;
	}

	snd_card_set_dev(card, &link->dev);

	pdacf->index = i;
	card_list[i] = card;

	pdacf->p_dev = link;
	link->priv = pdacf;

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

	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
	/* FIXME: This driver should be updated to allow for dynamic IRQ sharing */
	/* link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; */

	link->irq.Handler = pdacf_interrupt;
	link->conf.Attributes = CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.ConfigIndex = 1;
	link->conf.Present = PRESENT_OPTION;

	return pdacf_config(link);
}


/**
 * snd_pdacf_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_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
{
	int err;
	struct snd_card *card = pdacf->card;

	snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
	pdacf->port = port;
	pdacf->irq = irq;
	pdacf->chip_status |= PDAUDIOCF_STAT_IS_CONFIGURED;

	err = snd_pdacf_ak4117_create(pdacf);
	if (err < 0)
		return err;	

	strcpy(card->driver, "PDAudio-CF");
	sprintf(card->shortname, "Core Sound %s", card->driver);
	sprintf(card->longname, "%s at 0x%x, irq %i",
		card->shortname, port, irq);

	err = snd_pdacf_pcm_new(pdacf);
	if (err < 0)
		return err;

	if ((err = snd_card_register(card)) < 0)
		return err;

	return 0;
}


/*
 * snd_pdacf_detach - detach callback for cs
 */
static void snd_pdacf_detach(struct pcmcia_device *link)
{
	struct snd_pdacf *chip = link->priv;

	snd_printdd(KERN_DEBUG "pdacf_detach called\n");

	if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
		snd_pdacf_powerdown(chip);
	chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
	snd_card_disconnect(chip->card);
	snd_card_free_when_closed(chip->card);
}

/*
 * configuration callback
 */

static int pdacf_config(struct pcmcia_device *link)
{
	struct snd_pdacf *pdacf = link->priv;
	int ret;

	snd_printdd(KERN_DEBUG "pdacf_config called\n");
	link->conf.ConfigIndex = 0x5;

	ret = pcmcia_request_io(link, &link->io);
	if (ret)
		goto failed;

	ret = pcmcia_request_irq(link, &link->irq);
	if (ret)
		goto failed;

	ret = pcmcia_request_configuration(link, &link->conf);
	if (ret)
		goto failed;

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

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

failed:
	pcmcia_disable_device(link);
	return -ENODEV;
}

#ifdef CONFIG_PM

static int pdacf_suspend(struct pcmcia_device *link)
{
	struct snd_pdacf *chip = link->priv;

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

	return 0;
}

static int pdacf_resume(struct pcmcia_device *link)
{
	struct snd_pdacf *chip = link->priv;

	snd_printdd(KERN_DEBUG "RESUME\n");
	if (pcmcia_dev_present(link)) {
		if (chip) {
			snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
			snd_pdacf_resume(chip);
		}
	}
	snd_printdd(KERN_DEBUG "resume done!\n");

	return 0;
}

#endif

/*
 * Module entry points
 */
static struct pcmcia_device_id snd_pdacf_ids[] = {
	/* this is too general PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), */
	PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
	PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);

static struct pcmcia_driver pdacf_cs_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "snd-pdaudiocf",
	},
	.probe		= snd_pdacf_probe,
	.remove		= snd_pdacf_detach,
	.id_table	= snd_pdacf_ids,
#ifdef CONFIG_PM
	.suspend	= pdacf_suspend,
	.resume		= pdacf_resume,
#endif

};

static int __init init_pdacf(void)
{
	return pcmcia_register_driver(&pdacf_cs_driver);
}

static void __exit exit_pdacf(void)
{
	pcmcia_unregister_driver(&pdacf_cs_driver);
}

module_init(init_pdacf);
module_exit(exit_pdacf);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Driver for Sound Core PDAudioCF soundcard
	3	*
c1017a4c	4	* Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	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 LT	21	#include <sound/core.h>
	22	#include <linux/slab.h>
	23	#include <linux/moduleparam.h>
1da177e4 LT	24	#include <pcmcia/ciscode.h>
	25	#include <pcmcia/cisreg.h>
	26	#include "pdaudiocf.h"
	27	#include <sound/initval.h>
	28	#include <linux/init.h>
	29
	30	/*
	31	*/
	32
	33	#define CARD_NAME "PDAudio-CF"
	34
c1017a4c	35	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	36	MODULE_DESCRIPTION("Sound Core " CARD_NAME);
	37	MODULE_LICENSE("GPL");
	38	MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}");
	39
	40	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	41	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	42	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
	43
	44	module_param_array(index, int, NULL, 0444);
	45	MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
	46	module_param_array(id, charp, NULL, 0444);
	47	MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
	48	module_param_array(enable, bool, NULL, 0444);
	49	MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
	50
	51	/*
	52	*/
	53
db131548	54	static struct snd_card *card_list[SNDRV_CARDS];
1da177e4 LT	55
	56	/*
	57	* prototypes
	58	*/
15b99ac1	59	static int pdacf_config(struct pcmcia_device *link);
efe3cd10	60	static void snd_pdacf_detach(struct pcmcia_device *p_dev);
1da177e4	61
fba395ee	62	static void pdacf_release(struct pcmcia_device *link)
1da177e4	63	{
fba395ee	64	pcmcia_disable_device(link);
1da177e4 LT	65	}
	66
	67	/*
	68	* destructor
	69	*/
db131548	70	static int snd_pdacf_free(struct snd_pdacf *pdacf)
1da177e4	71	{
fba395ee	72	struct pcmcia_device *link = pdacf->p_dev;
1da177e4 LT	73
	74	pdacf_release(link);
	75
1da177e4 LT	76	card_list[pdacf->index] = NULL;
	77	pdacf->card = NULL;
	78
	79	kfree(pdacf);
	80	return 0;
	81	}
	82
db131548	83	static int snd_pdacf_dev_free(struct snd_device *device)
1da177e4	84	{
db131548	85	struct snd_pdacf *chip = device->device_data;
1da177e4 LT	86	return snd_pdacf_free(chip);
	87	}
	88
	89	/*
	90	* snd_pdacf_attach - attach callback for cs
	91	*/
15b99ac1	92	static int snd_pdacf_probe(struct pcmcia_device *link)
1da177e4	93	{
bd7dd77c	94	int i, err;
db131548 TI	95	struct snd_pdacf *pdacf;
	96	struct snd_card *card;
	97	static struct snd_device_ops ops = {
1da177e4 LT	98	.dev_free = snd_pdacf_dev_free,
	99	};
	100
	101	snd_printdd(KERN_DEBUG "pdacf_attach called\n");
	102	/* find an empty slot from the card list */
	103	for (i = 0; i < SNDRV_CARDS; i++) {
	104	if (! card_list[i])
	105	break;
	106	}
	107	if (i >= SNDRV_CARDS) {
	108	snd_printk(KERN_ERR "pdacf: too many cards found\n");
efe3cd10	109	return -EINVAL;
1da177e4 LT	110	}
1da177e4 LT	111	if (! enable[i])
efe3cd10	112	return -ENODEV; /* disabled explicitly */
1da177e4 LT	113
1da177e4 LT	114	/* ok, create a card instance */
bd7dd77c TI	115	err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
bd7dd77c TI	116	if (err < 0) {
1da177e4	117	snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
bd7dd77c	118	return err;
1da177e4 LT	119	}
	120
	121	pdacf = snd_pdacf_create(card);
aa3d75d8 TI	122	if (!pdacf) {
aa3d75d8 TI	123	snd_card_free(card);
2fa51107	124	return -ENOMEM;
aa3d75d8	125	}
1da177e4	126
2fa51107 TI	127	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops);
2fa51107 TI	128	if (err < 0) {
1da177e4 LT	129	kfree(pdacf);
1da177e4 LT	130	snd_card_free(card);
2fa51107	131	return err;
1da177e4 LT	132	}
1da177e4 LT	133
dd2e5a15	134	snd_card_set_dev(card, &link->dev);
f78dfac9	135
1da177e4 LT	136	pdacf->index = i;
	137	card_list[i] = card;
	138
fba395ee	139	pdacf->p_dev = link;
1da177e4 LT	140	link->priv = pdacf;
	141
	142	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	143	link->io.NumPorts1 = 16;
	144
a7debe78	145	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
e15c1c1f	146	/* FIXME: This driver should be updated to allow for dynamic IRQ sharing */
a7debe78	147	/* link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; */
1da177e4	148
1da177e4	149	link->irq.Handler = pdacf_interrupt;
a7debe78	150	link->conf.Attributes = CONF_ENABLE_IRQ \| CONF_ENABLE_PULSE_IRQ;
1da177e4 LT	151	link->conf.IntType = INT_MEMORY_AND_IO;
	152	link->conf.ConfigIndex = 1;
	153	link->conf.Present = PRESENT_OPTION;
	154
15b99ac1	155	return pdacf_config(link);
1da177e4 LT	156	}
	157
	158
	159	/**
	160	* snd_pdacf_assign_resources - initialize the hardware and card instance.
	161	* @port: i/o port for the card
	162	* @irq: irq number for the card
	163	*
	164	* this function assigns the specified port and irq, boot the card,
	165	* create pcm and control instances, and initialize the rest hardware.
	166	*
	167	* returns 0 if successful, or a negative error code.
	168	*/
db131548	169	static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
1da177e4 LT	170	{
1da177e4 LT	171	int err;
db131548	172	struct snd_card *card = pdacf->card;
1da177e4 LT	173
	174	snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
	175	pdacf->port = port;
	176	pdacf->irq = irq;
	177	pdacf->chip_status \|= PDAUDIOCF_STAT_IS_CONFIGURED;
	178
	179	err = snd_pdacf_ak4117_create(pdacf);
	180	if (err < 0)
	181	return err;
	182
	183	strcpy(card->driver, "PDAudio-CF");
	184	sprintf(card->shortname, "Core Sound %s", card->driver);
	185	sprintf(card->longname, "%s at 0x%x, irq %i",
	186	card->shortname, port, irq);
	187
	188	err = snd_pdacf_pcm_new(pdacf);
	189	if (err < 0)
	190	return err;
	191
1da177e4 LT	192	if ((err = snd_card_register(card)) < 0)
	193	return err;
	194
	195	return 0;
	196	}
	197
	198
	199	/*
	200	* snd_pdacf_detach - detach callback for cs
	201	*/
fba395ee	202	static void snd_pdacf_detach(struct pcmcia_device *link)
1da177e4	203	{
db131548	204	struct snd_pdacf *chip = link->priv;
1da177e4 LT	205
1da177e4 LT	206	snd_printdd(KERN_DEBUG "pdacf_detach called\n");
efe3cd10	207
1da177e4 LT	208	if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
	209	snd_pdacf_powerdown(chip);
	210	chip->chip_status \|= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
	211	snd_card_disconnect(chip->card);
2b29b13c	212	snd_card_free_when_closed(chip->card);
1da177e4 LT	213	}
	214
	215	/*
	216	* configuration callback
	217	*/
	218
15b99ac1	219	static int pdacf_config(struct pcmcia_device *link)
1da177e4	220	{
db131548	221	struct snd_pdacf *pdacf = link->priv;
7c5af6ff	222	int ret;
1da177e4 LT	223
1da177e4 LT	224	snd_printdd(KERN_DEBUG "pdacf_config called\n");
1da177e4	225	link->conf.ConfigIndex = 0x5;
1da177e4	226
7c5af6ff DB	227	ret = pcmcia_request_io(link, &link->io);
	228	if (ret)
	229	goto failed;
	230
	231	ret = pcmcia_request_irq(link, &link->irq);
	232	if (ret)
	233	goto failed;
	234
	235	ret = pcmcia_request_configuration(link, &link->conf);
	236	if (ret)
	237	goto failed;
1da177e4 LT	238
	239	if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
	240	goto failed;
	241
fd238232	242	link->dev_node = &pdacf->node;
15b99ac1	243	return 0;
1da177e4	244
1da177e4	245	failed:
fba395ee	246	pcmcia_disable_device(link);
15b99ac1	247	return -ENODEV;
1da177e4 LT	248	}
1da177e4 LT	249
efe3cd10 DB	250	#ifdef CONFIG_PM
efe3cd10 DB	251
fba395ee	252	static int pdacf_suspend(struct pcmcia_device *link)
1da177e4	253	{
db131548	254	struct snd_pdacf *chip = link->priv;
1da177e4	255
efe3cd10	256	snd_printdd(KERN_DEBUG "SUSPEND\n");
efe3cd10 DB	257	if (chip) {
	258	snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
	259	snd_pdacf_suspend(chip, PMSG_SUSPEND);
	260	}
	261
efe3cd10 DB	262	return 0;
	263	}
	264
fba395ee	265	static int pdacf_resume(struct pcmcia_device *link)
efe3cd10	266	{
efe3cd10 DB	267	struct snd_pdacf *chip = link->priv;
	268
	269	snd_printdd(KERN_DEBUG "RESUME\n");
9940ec36	270	if (pcmcia_dev_present(link)) {
1da177e4	271	if (chip) {
efe3cd10 DB	272	snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
efe3cd10 DB	273	snd_pdacf_resume(chip);
1da177e4	274	}
1da177e4	275	}
efe3cd10 DB	276	snd_printdd(KERN_DEBUG "resume done!\n");
efe3cd10 DB	277
1da177e4 LT	278	return 0;
	279	}
	280
efe3cd10 DB	281	#endif
efe3cd10 DB	282
1da177e4 LT	283	/*
	284	* Module entry points
	285	*/
a4ed3598	286	static struct pcmcia_device_id snd_pdacf_ids[] = {
44e5e33e TO	287	/* this is too general PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), */
44e5e33e TO	288	PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
a4ed3598 DB	289	PCMCIA_DEVICE_NULL
	290	};
	291	MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);
	292
1da177e4	293	static struct pcmcia_driver pdacf_cs_driver = {
1e212f36 DB	294	.owner = THIS_MODULE,
	295	.drv = {
	296	.name = "snd-pdaudiocf",
1da177e4	297	},
15b99ac1	298	.probe = snd_pdacf_probe,
efe3cd10	299	.remove = snd_pdacf_detach,
a4ed3598	300	.id_table = snd_pdacf_ids,
efe3cd10 DB	301	#ifdef CONFIG_PM
	302	.suspend = pdacf_suspend,
	303	.resume = pdacf_resume,
	304	#endif
	305
1da177e4 LT	306	};
	307
	308	static int __init init_pdacf(void)
	309	{
	310	return pcmcia_register_driver(&pdacf_cs_driver);
	311	}
	312
	313	static void __exit exit_pdacf(void)
	314	{
	315	pcmcia_unregister_driver(&pdacf_cs_driver);
1da177e4 LT	316	}
	317
	318	module_init(init_pdacf);
	319	module_exit(exit_pdacf);