[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->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
	link->resource[0]->end = 16;

	link->config_flags = CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;
	link->config_index = 1;
	link->config_regs = 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->config_index = 0x5;
	link->config_flags |= CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ;

	ret = pcmcia_request_io(link);
	if (ret)
		goto failed;

	ret = pcmcia_request_exclusive_irq(link, pdacf_interrupt);
	if (ret)
		goto failed;

	ret = pcmcia_enable_device(link);
	if (ret)
		goto failed;

	if (snd_pdacf_assign_resources(pdacf, link->resource[0]->start,
					link->irq) < 0)
		goto failed;

	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,
	.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;
1da177e4 LT	141
90abdc3b DB	142	link->resource[0]->flags \|= IO_DATA_PATH_WIDTH_AUTO;
90abdc3b DB	143	link->resource[0]->end = 16;
1da177e4	144
1ac71e5a	145	link->config_flags = CONF_ENABLE_IRQ \| CONF_ENABLE_PULSE_IRQ;
7feabb64 DB	146	link->config_index = 1;
7feabb64 DB	147	link->config_regs = PRESENT_OPTION;
1da177e4	148
15b99ac1	149	return pdacf_config(link);
1da177e4 LT	150	}
	151
	152
	153	/**
	154	* snd_pdacf_assign_resources - initialize the hardware and card instance.
	155	* @port: i/o port for the card
	156	* @irq: irq number for the card
	157	*
	158	* this function assigns the specified port and irq, boot the card,
	159	* create pcm and control instances, and initialize the rest hardware.
	160	*
	161	* returns 0 if successful, or a negative error code.
	162	*/
db131548	163	static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
1da177e4 LT	164	{
1da177e4 LT	165	int err;
db131548	166	struct snd_card *card = pdacf->card;
1da177e4 LT	167
	168	snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
	169	pdacf->port = port;
	170	pdacf->irq = irq;
	171	pdacf->chip_status \|= PDAUDIOCF_STAT_IS_CONFIGURED;
	172
	173	err = snd_pdacf_ak4117_create(pdacf);
	174	if (err < 0)
	175	return err;
	176
	177	strcpy(card->driver, "PDAudio-CF");
	178	sprintf(card->shortname, "Core Sound %s", card->driver);
	179	sprintf(card->longname, "%s at 0x%x, irq %i",
	180	card->shortname, port, irq);
	181
	182	err = snd_pdacf_pcm_new(pdacf);
	183	if (err < 0)
	184	return err;
	185
1da177e4 LT	186	if ((err = snd_card_register(card)) < 0)
	187	return err;
	188
	189	return 0;
	190	}
	191
	192
	193	/*
	194	* snd_pdacf_detach - detach callback for cs
	195	*/
fba395ee	196	static void snd_pdacf_detach(struct pcmcia_device *link)
1da177e4	197	{
db131548	198	struct snd_pdacf *chip = link->priv;
1da177e4 LT	199
1da177e4 LT	200	snd_printdd(KERN_DEBUG "pdacf_detach called\n");
efe3cd10	201
1da177e4 LT	202	if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
	203	snd_pdacf_powerdown(chip);
	204	chip->chip_status \|= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
	205	snd_card_disconnect(chip->card);
2b29b13c	206	snd_card_free_when_closed(chip->card);
1da177e4 LT	207	}
	208
	209	/*
	210	* configuration callback
	211	*/
	212
15b99ac1	213	static int pdacf_config(struct pcmcia_device *link)
1da177e4	214	{
db131548	215	struct snd_pdacf *pdacf = link->priv;
7c5af6ff	216	int ret;
1da177e4 LT	217
1da177e4 LT	218	snd_printdd(KERN_DEBUG "pdacf_config called\n");
7feabb64	219	link->config_index = 0x5;
1ac71e5a	220	link->config_flags \|= CONF_ENABLE_IRQ \| CONF_ENABLE_PULSE_IRQ;
1da177e4	221
90abdc3b	222	ret = pcmcia_request_io(link);
7c5af6ff DB	223	if (ret)
	224	goto failed;
	225
eb14120f	226	ret = pcmcia_request_exclusive_irq(link, pdacf_interrupt);
7c5af6ff DB	227	if (ret)
	228	goto failed;
	229
1ac71e5a	230	ret = pcmcia_enable_device(link);
7c5af6ff DB	231	if (ret)
7c5af6ff DB	232	goto failed;
1da177e4	233
9a017a91 DB	234	if (snd_pdacf_assign_resources(pdacf, link->resource[0]->start,
9a017a91 DB	235	link->irq) < 0)
1da177e4 LT	236	goto failed;
1da177e4 LT	237
15b99ac1	238	return 0;
1da177e4	239
1da177e4	240	failed:
fba395ee	241	pcmcia_disable_device(link);
15b99ac1	242	return -ENODEV;
1da177e4 LT	243	}
1da177e4 LT	244
efe3cd10 DB	245	#ifdef CONFIG_PM
efe3cd10 DB	246
fba395ee	247	static int pdacf_suspend(struct pcmcia_device *link)
1da177e4	248	{
db131548	249	struct snd_pdacf *chip = link->priv;
1da177e4	250
efe3cd10	251	snd_printdd(KERN_DEBUG "SUSPEND\n");
efe3cd10 DB	252	if (chip) {
	253	snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
	254	snd_pdacf_suspend(chip, PMSG_SUSPEND);
	255	}
	256
efe3cd10 DB	257	return 0;
	258	}
	259
fba395ee	260	static int pdacf_resume(struct pcmcia_device *link)
efe3cd10	261	{
efe3cd10 DB	262	struct snd_pdacf *chip = link->priv;
	263
	264	snd_printdd(KERN_DEBUG "RESUME\n");
9940ec36	265	if (pcmcia_dev_present(link)) {
1da177e4	266	if (chip) {
efe3cd10 DB	267	snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
efe3cd10 DB	268	snd_pdacf_resume(chip);
1da177e4	269	}
1da177e4	270	}
efe3cd10 DB	271	snd_printdd(KERN_DEBUG "resume done!\n");
efe3cd10 DB	272
1da177e4 LT	273	return 0;
	274	}
	275
efe3cd10 DB	276	#endif
efe3cd10 DB	277
1da177e4 LT	278	/*
	279	* Module entry points
	280	*/
a4ed3598	281	static struct pcmcia_device_id snd_pdacf_ids[] = {
44e5e33e TO	282	/* this is too general PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), */
44e5e33e TO	283	PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
a4ed3598 DB	284	PCMCIA_DEVICE_NULL
	285	};
	286	MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);
	287
1da177e4	288	static struct pcmcia_driver pdacf_cs_driver = {
1e212f36	289	.owner = THIS_MODULE,
2e9b981a	290	.name = "snd-pdaudiocf",
15b99ac1	291	.probe = snd_pdacf_probe,
efe3cd10	292	.remove = snd_pdacf_detach,
a4ed3598	293	.id_table = snd_pdacf_ids,
efe3cd10 DB	294	#ifdef CONFIG_PM
	295	.suspend = pdacf_suspend,
	296	.resume = pdacf_resume,
	297	#endif
	298
1da177e4 LT	299	};
	300
	301	static int __init init_pdacf(void)
	302	{
	303	return pcmcia_register_driver(&pdacf_cs_driver);
	304	}
	305
	306	static void __exit exit_pdacf(void)
	307	{
	308	pcmcia_unregister_driver(&pdacf_cs_driver);
1da177e4 LT	309	}
	310
	311	module_init(init_pdacf);
	312	module_exit(exit_pdacf);