[linux-2.6-block.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 <sound/driver.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/cs4231.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 int 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) {
		snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
		return 0;
	}
	if (irq[n] == SNDRV_AUTO_IRQ) {
		snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id);
		return 0;
	}
	if (dma1[n] == SNDRV_AUTO_DMA) {
		snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id);
		return 0;
	}
	return 1;
}

static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_cs4231 *chip;
	struct snd_pcm *pcm;
	int error;

	card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
	if (!card)
		return -EINVAL;

	error = snd_cs4231_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
			CS4231_HW_DETECT, 0, &chip);
	if (error < 0)
		goto out;

	card->private_data = chip;

	error = snd_cs4231_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_cs4231_mixer(chip);
	if (error < 0)
		goto out;

	error = snd_cs4231_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],
					mpu_irq[n] >= 0 ? IRQF_DISABLED : 0,
					NULL) < 0)
			printk(KERN_WARNING "%s: MPU401 not detected\n", dev->bus_id);
	}

	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_cs4231 *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_cs4231 *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
	23	#include <sound/driver.h>
	24	#include <linux/init.h>
8b913757	25	#include <linux/err.h>
d63898c9	26	#include <linux/isa.h>
1da177e4 LT	27	#include <linux/time.h>
	28	#include <linux/wait.h>
	29	#include <linux/moduleparam.h>
	30	#include <sound/core.h>
	31	#include <sound/cs4231.h>
	32	#include <sound/mpu401.h>
	33	#include <sound/initval.h>
	34
d63898c9 RH	35	#define CRD_NAME "Generic CS4231"
	36	#define DEV_NAME "cs4231"
	37
	38	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	39	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	40	MODULE_LICENSE("GPL");
	41	MODULE_SUPPORTED_DEVICE("{{Crystal Semiconductors,CS4231}}");
	42
	43	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	44	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	45	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
	46	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	47	static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	48	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
	49	static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */
	50	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
	51	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
	52
	53	module_param_array(index, int, NULL, 0444);
d63898c9	54	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	55	module_param_array(id, charp, NULL, 0444);
d63898c9	56	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	57	module_param_array(enable, bool, NULL, 0444);
d63898c9	58	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
1da177e4	59	module_param_array(port, long, NULL, 0444);
d63898c9	60	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
1da177e4	61	module_param_array(mpu_port, long, NULL, 0444);
d63898c9	62	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
1da177e4	63	module_param_array(irq, int, NULL, 0444);
d63898c9	64	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
1da177e4	65	module_param_array(mpu_irq, int, NULL, 0444);
d63898c9	66	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
1da177e4	67	module_param_array(dma1, int, NULL, 0444);
d63898c9	68	MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
1da177e4	69	module_param_array(dma2, int, NULL, 0444);
d63898c9	70	MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
1da177e4	71
d63898c9 RH	72	static int __devinit snd_cs4231_match(struct device *dev, unsigned int n)
	73	{
	74	if (!enable[n])
	75	return 0;
f7a9275d	76
d63898c9 RH	77	if (port[n] == SNDRV_AUTO_PORT) {
	78	snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
	79	return 0;
	80	}
	81	if (irq[n] == SNDRV_AUTO_IRQ) {
	82	snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id);
	83	return 0;
	84	}
	85	if (dma1[n] == SNDRV_AUTO_DMA) {
	86	snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id);
	87	return 0;
	88	}
	89	return 1;
	90	}
1da177e4	91
d63898c9	92	static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n)
1da177e4	93	{
ba2375a4	94	struct snd_card *card;
ba2375a4	95	struct snd_cs4231 *chip;
d63898c9 RH	96	struct snd_pcm *pcm;
d63898c9 RH	97	int error;
1da177e4	98
d63898c9 RH	99	card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
d63898c9 RH	100	if (!card)
1da177e4	101	return -EINVAL;
d63898c9 RH	102
	103	error = snd_cs4231_create(card, port[n], -1, irq[n], dma1[n], dma2[n],
	104	CS4231_HW_DETECT, 0, &chip);
	105	if (error < 0)
	106	goto out;
	107
8b913757	108	card->private_data = chip;
1da177e4	109
d63898c9 RH	110	error = snd_cs4231_pcm(chip, 0, &pcm);
	111	if (error < 0)
	112	goto out;
1da177e4 LT	113
	114	strcpy(card->driver, "CS4231");
	115	strcpy(card->shortname, pcm->name);
d63898c9	116
1da177e4	117	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
d63898c9 RH	118	pcm->name, chip->port, irq[n], dma1[n]);
	119	if (dma2[n] >= 0)
	120	sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
	121
	122	error = snd_cs4231_mixer(chip);
	123	if (error < 0)
	124	goto out;
	125
	126	error = snd_cs4231_timer(chip, 0, NULL);
	127	if (error < 0)
	128	goto out;
	129
	130	if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) {
	131	if (mpu_irq[n] == SNDRV_AUTO_IRQ)
	132	mpu_irq[n] = -1;
1da177e4	133	if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232,
d63898c9 RH	134	mpu_port[n], 0, mpu_irq[n],
d63898c9 RH	135	mpu_irq[n] >= 0 ? IRQF_DISABLED : 0,
1da177e4	136	NULL) < 0)
d63898c9	137	printk(KERN_WARNING "%s: MPU401 not detected\n", dev->bus_id);
1da177e4	138	}
43bcd973	139
d63898c9	140	snd_card_set_dev(card, dev);
43bcd973	141
d63898c9 RH	142	error = snd_card_register(card);
	143	if (error < 0)
	144	goto out;
8b913757	145
d63898c9	146	dev_set_drvdata(dev, card);
1da177e4	147	return 0;
43bcd973	148
d63898c9 RH	149	out: snd_card_free(card);
d63898c9 RH	150	return error;
1da177e4 LT	151	}
1da177e4 LT	152
d63898c9	153	static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n)
8b913757	154	{
d63898c9 RH	155	snd_card_free(dev_get_drvdata(dev));
d63898c9 RH	156	dev_set_drvdata(dev, NULL);
8b913757 TI	157	return 0;
	158	}
	159
	160	#ifdef CONFIG_PM
d63898c9	161	static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state)
1da177e4	162	{
d63898c9 RH	163	struct snd_card *card = dev_get_drvdata(dev);
	164	struct snd_cs4231 *chip = card->private_data;
	165
8b913757	166	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
8b913757 TI	167	chip->suspend(chip);
	168	return 0;
	169	}
1da177e4	170
d63898c9	171	static int snd_cs4231_resume(struct device *dev, unsigned int n)
8b913757	172	{
d63898c9 RH	173	struct snd_card *card = dev_get_drvdata(dev);
	174	struct snd_cs4231 *chip = card->private_data;
	175
8b913757 TI	176	chip->resume(chip);
	177	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	178	return 0;
	179	}
	180	#endif
	181
d63898c9 RH	182	static struct isa_driver snd_cs4231_driver = {
d63898c9 RH	183	.match = snd_cs4231_match,
8b913757 TI	184	.probe = snd_cs4231_probe,
	185	.remove = __devexit_p(snd_cs4231_remove),
	186	#ifdef CONFIG_PM
	187	.suspend = snd_cs4231_suspend,
	188	.resume = snd_cs4231_resume,
	189	#endif
	190	.driver = {
d63898c9 RH	191	.name = DEV_NAME
d63898c9 RH	192	}
8b913757 TI	193	};
	194
	195	static int __init alsa_card_cs4231_init(void)
	196	{
d63898c9	197	return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS);
1da177e4 LT	198	}
	199
	200	static void __exit alsa_card_cs4231_exit(void)
	201	{
d63898c9	202	isa_unregister_driver(&snd_cs4231_driver);
1da177e4 LT	203	}
1da177e4 LT	204
d63898c9 RH	205	module_init(alsa_card_cs4231_init);
d63898c9 RH	206	module_exit(alsa_card_cs4231_exit);