[linux-2.6-block.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/driver.h>
#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;
	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 */
	card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
	if (card == NULL) {
		snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
		return -ENOMEM;
	}

	pdacf = snd_pdacf_create(card);
	if (! pdacf)
		return -EIO;

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

	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 | IRQ_HANDLE_PRESENT | IRQ_FORCED_PULSE;
	// link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;

	link->irq.IRQInfo1 = 0 /* | IRQ_LEVEL_ID */;
	link->irq.Handler = pdacf_interrupt;
	link->irq.Instance = pdacf;
	link->conf.Attributes = CONF_ENABLE_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
 */

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

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

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

	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));

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

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

cs_failed:
	cs_error(link, last_fn, last_ret);
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
	21	#include <sound/driver.h>
	22	#include <sound/core.h>
	23	#include <linux/slab.h>
	24	#include <linux/moduleparam.h>
1da177e4 LT	25	#include <pcmcia/ciscode.h>
	26	#include <pcmcia/cisreg.h>
	27	#include "pdaudiocf.h"
	28	#include <sound/initval.h>
	29	#include <linux/init.h>
	30
	31	/*
	32	*/
	33
	34	#define CARD_NAME "PDAudio-CF"
	35
c1017a4c	36	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	37	MODULE_DESCRIPTION("Sound Core " CARD_NAME);
	38	MODULE_LICENSE("GPL");
	39	MODULE_SUPPORTED_DEVICE("{{Sound Core," CARD_NAME "}}");
	40
	41	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	42	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	43	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable switches */
	44
	45	module_param_array(index, int, NULL, 0444);
	46	MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard.");
	47	module_param_array(id, charp, NULL, 0444);
	48	MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard.");
	49	module_param_array(enable, bool, NULL, 0444);
	50	MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
	51
	52	/*
	53	*/
	54
db131548	55	static struct snd_card *card_list[SNDRV_CARDS];
1da177e4 LT	56
	57	/*
	58	* prototypes
	59	*/
15b99ac1	60	static int pdacf_config(struct pcmcia_device *link);
efe3cd10	61	static void snd_pdacf_detach(struct pcmcia_device *p_dev);
1da177e4	62
fba395ee	63	static void pdacf_release(struct pcmcia_device *link)
1da177e4	64	{
fba395ee	65	pcmcia_disable_device(link);
1da177e4 LT	66	}
	67
	68	/*
	69	* destructor
	70	*/
db131548	71	static int snd_pdacf_free(struct snd_pdacf *pdacf)
1da177e4	72	{
fba395ee	73	struct pcmcia_device *link = pdacf->p_dev;
1da177e4 LT	74
	75	pdacf_release(link);
	76
1da177e4 LT	77	card_list[pdacf->index] = NULL;
	78	pdacf->card = NULL;
	79
	80	kfree(pdacf);
	81	return 0;
	82	}
	83
db131548	84	static int snd_pdacf_dev_free(struct snd_device *device)
1da177e4	85	{
db131548	86	struct snd_pdacf *chip = device->device_data;
1da177e4 LT	87	return snd_pdacf_free(chip);
	88	}
	89
	90	/*
	91	* snd_pdacf_attach - attach callback for cs
	92	*/
15b99ac1	93	static int snd_pdacf_probe(struct pcmcia_device *link)
1da177e4	94	{
efe3cd10	95	int i;
db131548 TI	96	struct snd_pdacf *pdacf;
	97	struct snd_card *card;
	98	static struct snd_device_ops ops = {
1da177e4 LT	99	.dev_free = snd_pdacf_dev_free,
	100	};
	101
	102	snd_printdd(KERN_DEBUG "pdacf_attach called\n");
	103	/* find an empty slot from the card list */
	104	for (i = 0; i < SNDRV_CARDS; i++) {
	105	if (! card_list[i])
	106	break;
	107	}
	108	if (i >= SNDRV_CARDS) {
	109	snd_printk(KERN_ERR "pdacf: too many cards found\n");
efe3cd10	110	return -EINVAL;
1da177e4 LT	111	}
1da177e4 LT	112	if (! enable[i])
efe3cd10	113	return -ENODEV; /* disabled explicitly */
1da177e4 LT	114
	115	/* ok, create a card instance */
	116	card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
	117	if (card == NULL) {
	118	snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
efe3cd10	119	return -ENOMEM;
1da177e4 LT	120	}
	121
	122	pdacf = snd_pdacf_create(card);
	123	if (! pdacf)
efe3cd10	124	return -EIO;
1da177e4 LT	125
	126	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) {
	127	kfree(pdacf);
	128	snd_card_free(card);
efe3cd10	129	return -ENODEV;
1da177e4 LT	130	}
	131
	132	pdacf->index = i;
	133	card_list[i] = card;
	134
fba395ee	135	pdacf->p_dev = link;
1da177e4 LT	136	link->priv = pdacf;
	137
	138	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	139	link->io.NumPorts1 = 16;
	140
	141	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE \| IRQ_HANDLE_PRESENT \| IRQ_FORCED_PULSE;
	142	// link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING\|IRQ_FIRST_SHARED;
	143
	144	link->irq.IRQInfo1 = 0 /* \| IRQ_LEVEL_ID */;
	145	link->irq.Handler = pdacf_interrupt;
	146	link->irq.Instance = pdacf;
	147	link->conf.Attributes = CONF_ENABLE_IRQ;
	148	link->conf.IntType = INT_MEMORY_AND_IO;
	149	link->conf.ConfigIndex = 1;
	150	link->conf.Present = PRESENT_OPTION;
	151
15b99ac1	152	return pdacf_config(link);
1da177e4 LT	153	}
	154
	155
	156	/**
	157	* snd_pdacf_assign_resources - initialize the hardware and card instance.
	158	* @port: i/o port for the card
	159	* @irq: irq number for the card
	160	*
	161	* this function assigns the specified port and irq, boot the card,
	162	* create pcm and control instances, and initialize the rest hardware.
	163	*
	164	* returns 0 if successful, or a negative error code.
	165	*/
db131548	166	static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq)
1da177e4 LT	167	{
1da177e4 LT	168	int err;
db131548	169	struct snd_card *card = pdacf->card;
1da177e4 LT	170
	171	snd_printdd(KERN_DEBUG "pdacf assign resources: port = 0x%x, irq = %d\n", port, irq);
	172	pdacf->port = port;
	173	pdacf->irq = irq;
	174	pdacf->chip_status \|= PDAUDIOCF_STAT_IS_CONFIGURED;
	175
	176	err = snd_pdacf_ak4117_create(pdacf);
	177	if (err < 0)
	178	return err;
	179
	180	strcpy(card->driver, "PDAudio-CF");
	181	sprintf(card->shortname, "Core Sound %s", card->driver);
	182	sprintf(card->longname, "%s at 0x%x, irq %i",
	183	card->shortname, port, irq);
	184
	185	err = snd_pdacf_pcm_new(pdacf);
	186	if (err < 0)
	187	return err;
	188
1da177e4 LT	189	if ((err = snd_card_register(card)) < 0)
	190	return err;
	191
	192	return 0;
	193	}
	194
	195
	196	/*
	197	* snd_pdacf_detach - detach callback for cs
	198	*/
fba395ee	199	static void snd_pdacf_detach(struct pcmcia_device *link)
1da177e4	200	{
db131548	201	struct snd_pdacf *chip = link->priv;
1da177e4 LT	202
1da177e4 LT	203	snd_printdd(KERN_DEBUG "pdacf_detach called\n");
efe3cd10	204
1da177e4 LT	205	if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
	206	snd_pdacf_powerdown(chip);
	207	chip->chip_status \|= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
	208	snd_card_disconnect(chip->card);
2b29b13c	209	snd_card_free_when_closed(chip->card);
1da177e4 LT	210	}
	211
	212	/*
	213	* configuration callback
	214	*/
	215
	216	#define CS_CHECK(fn, ret) \
	217	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	218
15b99ac1	219	static int pdacf_config(struct pcmcia_device *link)
1da177e4	220	{
db131548	221	struct snd_pdacf *pdacf = link->priv;
1da177e4 LT	222	int last_fn, last_ret;
	223
	224	snd_printdd(KERN_DEBUG "pdacf_config called\n");
1da177e4	225	link->conf.ConfigIndex = 0x5;
1da177e4	226
fba395ee DB	227	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
	228	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	229	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
1da177e4 LT	230
	231	if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
	232	goto failed;
	233
fd238232	234	link->dev_node = &pdacf->node;
15b99ac1	235	return 0;
1da177e4 LT	236
1da177e4 LT	237	cs_failed:
fba395ee	238	cs_error(link, last_fn, last_ret);
1da177e4	239	failed:
fba395ee	240	pcmcia_disable_device(link);
15b99ac1	241	return -ENODEV;
1da177e4 LT	242	}
1da177e4 LT	243
efe3cd10 DB	244	#ifdef CONFIG_PM
efe3cd10 DB	245
fba395ee	246	static int pdacf_suspend(struct pcmcia_device *link)
1da177e4	247	{
db131548	248	struct snd_pdacf *chip = link->priv;
1da177e4	249
efe3cd10	250	snd_printdd(KERN_DEBUG "SUSPEND\n");
efe3cd10 DB	251	if (chip) {
	252	snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
	253	snd_pdacf_suspend(chip, PMSG_SUSPEND);
	254	}
	255
efe3cd10 DB	256	return 0;
	257	}
	258
fba395ee	259	static int pdacf_resume(struct pcmcia_device *link)
efe3cd10	260	{
efe3cd10 DB	261	struct snd_pdacf *chip = link->priv;
	262
	263	snd_printdd(KERN_DEBUG "RESUME\n");
9940ec36	264	if (pcmcia_dev_present(link)) {
1da177e4	265	if (chip) {
efe3cd10 DB	266	snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
efe3cd10 DB	267	snd_pdacf_resume(chip);
1da177e4	268	}
1da177e4	269	}
efe3cd10 DB	270	snd_printdd(KERN_DEBUG "resume done!\n");
efe3cd10 DB	271
1da177e4 LT	272	return 0;
	273	}
	274
efe3cd10 DB	275	#endif
efe3cd10 DB	276
1da177e4 LT	277	/*
	278	* Module entry points
	279	*/
a4ed3598	280	static struct pcmcia_device_id snd_pdacf_ids[] = {
44e5e33e TO	281	/* this is too general PCMCIA_DEVICE_MANF_CARD(0x015d, 0x4c45), */
44e5e33e TO	282	PCMCIA_DEVICE_PROD_ID12("Core Sound","PDAudio-CF",0x396d19d2,0x71717b49),
a4ed3598 DB	283	PCMCIA_DEVICE_NULL
	284	};
	285	MODULE_DEVICE_TABLE(pcmcia, snd_pdacf_ids);
	286
1da177e4	287	static struct pcmcia_driver pdacf_cs_driver = {
1e212f36 DB	288	.owner = THIS_MODULE,
	289	.drv = {
	290	.name = "snd-pdaudiocf",
1da177e4	291	},
15b99ac1	292	.probe = snd_pdacf_probe,
efe3cd10	293	.remove = snd_pdacf_detach,
a4ed3598	294	.id_table = snd_pdacf_ids,
efe3cd10 DB	295	#ifdef CONFIG_PM
	296	.suspend = pdacf_suspend,
	297	.resume = pdacf_resume,
	298	#endif
	299
1da177e4 LT	300	};
	301
	302	static int __init init_pdacf(void)
	303	{
	304	return pcmcia_register_driver(&pdacf_cs_driver);
	305	}
	306
	307	static void __exit exit_pdacf(void)
	308	{
	309	pcmcia_unregister_driver(&pdacf_cs_driver);
1da177e4 LT	310	}
	311
	312	module_init(init_pdacf);
	313	module_exit(exit_pdacf);