[deliverable/linux.git] / sound / isa / cs423x / cs4231.c

/*
 *  Generic driver for CS4231 chips
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Originally the CS4232/CS4232A driver, modified for use on CS4231 by
 *  Tugrul Galatali <galatalt@stuy.edu>
 *
 *   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/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/mpu401.h>
#include <sound/initval.h>

#define CRD_NAME "Generic CS4231"
#define DEV_NAME "cs4231"

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");

static int __devinit snd_cs4231_match(struct device *dev, unsigned int n)
{
	if (!enable[n])
		return 0;

	if (port[n] == SNDRV_AUTO_PORT) {
		dev_err(dev, "please specify port\n");
		return 0;
	}
	if (irq[n] == SNDRV_AUTO_IRQ) {
		dev_err(dev, "please specify irq\n");
		return 0;
	}
	if (dma1[n] == SNDRV_AUTO_DMA) {
		dev_err(dev, "please specify dma1\n");
		return 0;
	}
	return 1;
}

static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_wss *chip;
	struct snd_pcm *pcm;
	int error;

	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
	if (error < 0)
		return error;

	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
			WSS_HW_DETECT, 0, &chip);
	if (error < 0)
		goto out;

	card->private_data = chip;

	error = snd_wss_pcm(chip, 0, &pcm);
	if (error < 0)
		goto out;

	strcpy(card->driver, "CS4231");
	strcpy(card->shortname, pcm->name);

	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
		pcm->name, chip->port, irq[n], dma1[n]);
	if (dma2[n] >= 0)
		sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);

	error = snd_wss_mixer(chip);
	if (error < 0)
		goto out;

	error = snd_wss_timer(chip, 0, NULL);
	if (error < 0)
		goto out;

	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
		if (mpu_irq[n] == SNDRV_AUTO_IRQ)
			mpu_irq[n] = -1;
		if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
					mpu_port[n], 0, mpu_irq[n],
					NULL) < 0)
			dev_warn(dev, "MPU401 not detected\n");
	}

	snd_card_set_dev(card, dev);

	error = snd_card_register(card);
	if (error < 0)
		goto out;

	dev_set_drvdata(dev, card);
	return 0;

out:	snd_card_free(card);
	return error;
}

static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	dev_set_drvdata(dev, NULL);
	return 0;
}

#ifdef CONFIG_PM
static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_wss *chip = card->private_data;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	chip->suspend(chip);
	return 0;
}

static int snd_cs4231_resume(struct device *dev, unsigned int n)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_wss *chip = card->private_data;

	chip->resume(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif

static struct isa_driver snd_cs4231_driver = {
	.match		= snd_cs4231_match,
	.probe		= snd_cs4231_probe,
	.remove		= __devexit_p(snd_cs4231_remove),
#ifdef CONFIG_PM
	.suspend	= snd_cs4231_suspend,
	.resume		= snd_cs4231_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

static int __init alsa_card_cs4231_init(void)
{
	return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
}

static void __exit alsa_card_cs4231_exit(void)
{
	isa_unregister_driver(&snd_cs4231_driver);
}

module_init(alsa_card_cs4231_init);
module_exit(alsa_card_cs4231_exit);
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Generic driver for CS4231 chips
c1017a4c	3	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	4	* Originally the CS4232/CS4232A driver, modified for use on CS4231 by
	5	* Tugrul Galatali <galatalt@stuy.edu>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
	22
1da177e4	23	#include <linux/init.h>
8b913757	24	#include <linux/err.h>
d63898c9	25	#include <linux/isa.h>
1da177e4 LT	26	#include <linux/time.h>
1da177e4 LT	27	#include <linux/wait.h>
65a77217	28	#include <linux/module.h>
1da177e4	29	#include <sound/core.h>
61ef19d7	30	#include <sound/wss.h>
1da177e4 LT	31	#include <sound/mpu401.h>
	32	#include <sound/initval.h>
	33
d63898c9 RH	34	#define CRD_NAME "Generic CS4231"
	35	#define DEV_NAME "cs4231"
	36
	37	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	38	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	39	MODULE_LICENSE("GPL");
	40	MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
	41
	42	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	43	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a67ff6a5	44	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4 LT	45	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	46	static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	47	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
	48	static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
	49	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
	50	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
	51
	52	module_param_array(index, int, NULL, 0444);
d63898c9	53	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	54	module_param_array(id, charp, NULL, 0444);
d63898c9	55	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	56	module_param_array(enable, bool, NULL, 0444);
d63898c9	57	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
1da177e4	58	module_param_array(port, long, NULL, 0444);
d63898c9	59	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
1da177e4	60	module_param_array(mpu_port, long, NULL, 0444);
d63898c9	61	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
1da177e4	62	module_param_array(irq, int, NULL, 0444);
d63898c9	63	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
1da177e4	64	module_param_array(mpu_irq, int, NULL, 0444);
d63898c9	65	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
1da177e4	66	module_param_array(dma1, int, NULL, 0444);
d63898c9	67	MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
1da177e4	68	module_param_array(dma2, int, NULL, 0444);
d63898c9	69	MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
1da177e4	70
d63898c9 RH	71	static int __devinit snd_cs4231_match(struct device *dev, unsigned int n)
	72	{
	73	if (!enable[n])
	74	return 0;
f7a9275d	75
d63898c9	76	if (port[n] == SNDRV_AUTO_PORT) {
0418ff0c	77	dev_err(dev, "please specify port\n");
d63898c9 RH	78	return 0;
	79	}
	80	if (irq[n] == SNDRV_AUTO_IRQ) {
0418ff0c	81	dev_err(dev, "please specify irq\n");
d63898c9 RH	82	return 0;
	83	}
	84	if (dma1[n] == SNDRV_AUTO_DMA) {
0418ff0c	85	dev_err(dev, "please specify dma1\n");
d63898c9 RH	86	return 0;
	87	}
	88	return 1;
	89	}
1da177e4	90
d63898c9	91	static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
1da177e4	92	{
ba2375a4	93	struct snd_card *card;
7779f75f	94	struct snd_wss *chip;
d63898c9 RH	95	struct snd_pcm *pcm;
d63898c9 RH	96	int error;
1da177e4	97
c95eadd2 TI	98	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
	99	if (error < 0)
	100	return error;
d63898c9	101
7779f75f KH	102	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
7779f75f KH	103	WSS_HW_DETECT, 0, &chip);
d63898c9 RH	104	if (error < 0)
	105	goto out;
	106
8b913757	107	card->private_data = chip;
1da177e4	108
7779f75f	109	error = snd_wss_pcm(chip, 0, &pcm);
d63898c9 RH	110	if (error < 0)
d63898c9 RH	111	goto out;
1da177e4 LT	112
	113	strcpy(card->driver, "CS4231");
	114	strcpy(card->shortname, pcm->name);
d63898c9	115
1da177e4	116	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
d63898c9 RH	117	pcm->name, chip->port, irq[n], dma1[n]);
	118	if (dma2[n] >= 0)
	119	sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
	120
7779f75f	121	error = snd_wss_mixer(chip);
d63898c9 RH	122	if (error < 0)
	123	goto out;
	124
7779f75f	125	error = snd_wss_timer(chip, 0, NULL);
d63898c9 RH	126	if (error < 0)
	127	goto out;
	128
	129	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
	130	if (mpu_irq[n] == SNDRV_AUTO_IRQ)
	131	mpu_irq[n] = -1;
1da177e4	132	if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
d63898c9	133	mpu_port[n], 0, mpu_irq[n],
1da177e4	134	NULL) < 0)
0418ff0c	135	dev_warn(dev, "MPU401 not detected\n");
1da177e4	136	}
43bcd973	137
d63898c9	138	snd_card_set_dev(card, dev);
43bcd973	139
d63898c9 RH	140	error = snd_card_register(card);
	141	if (error < 0)
	142	goto out;
8b913757	143
d63898c9	144	dev_set_drvdata(dev, card);
1da177e4	145	return 0;
43bcd973	146
d63898c9 RH	147	out: snd_card_free(card);
d63898c9 RH	148	return error;
1da177e4 LT	149	}
1da177e4 LT	150
d63898c9	151	static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
8b913757	152	{
d63898c9 RH	153	snd_card_free(dev_get_drvdata(dev));
d63898c9 RH	154	dev_set_drvdata(dev, NULL);
8b913757 TI	155	return 0;
	156	}
	157
	158	#ifdef CONFIG_PM
d63898c9	159	static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
1da177e4	160	{
d63898c9	161	struct snd_card *card = dev_get_drvdata(dev);
7779f75f	162	struct snd_wss *chip = card->private_data;
d63898c9	163
8b913757	164	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
8b913757 TI	165	chip->suspend(chip);
	166	return 0;
	167	}
1da177e4	168
d63898c9	169	static int snd_cs4231_resume(struct device *dev, unsigned int n)
8b913757	170	{
d63898c9	171	struct snd_card *card = dev_get_drvdata(dev);
7779f75f	172	struct snd_wss *chip = card->private_data;
d63898c9	173
8b913757 TI	174	chip->resume(chip);
	175	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	176	return 0;
	177	}
	178	#endif
	179
d63898c9 RH	180	static struct isa_driver snd_cs4231_driver = {
d63898c9 RH	181	.match = snd_cs4231_match,
8b913757 TI	182	.probe = snd_cs4231_probe,
	183	.remove = __devexit_p(snd_cs4231_remove),
	184	#ifdef CONFIG_PM
	185	.suspend = snd_cs4231_suspend,
	186	.resume = snd_cs4231_resume,
	187	#endif
	188	.driver = {
d63898c9 RH	189	.name = DEV_NAME
d63898c9 RH	190	}
8b913757 TI	191	};
	192
	193	static int __init alsa_card_cs4231_init(void)
	194	{
d63898c9	195	return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
1da177e4 LT	196	}
	197
	198	static void __exit alsa_card_cs4231_exit(void)
	199	{
d63898c9	200	isa_unregister_driver(&snd_cs4231_driver);
1da177e4 LT	201	}
1da177e4 LT	202
d63898c9 RH	203	module_init(alsa_card_cs4231_init);
d63898c9 RH	204	module_exit(alsa_card_cs4231_exit);