[linux-2.6-block.git] / sound / isa / ad1848 / ad1848.c

/*
 *  Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
 *  Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
 *                   Jaroslav Kysela <perex@perex.cz>
 *  Based on card-4232.c 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 <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/initval.h>

#define CRD_NAME "Generic AD1848/AD1847/CS4248"
#define DEV_NAME "ad1848"

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
	        "{Analog Devices,AD1847},"
		"{Crystal Semiconductors,CS4248}}");

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 int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static bool thinkpad[SNDRV_CARDS];			/* Thinkpad special case */

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(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(thinkpad, bool, NULL, 0444);
MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");

static int snd_ad1848_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 snd_ad1848_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_wss *chip;
	int error;

	error = snd_card_new(dev, 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], -1,
			thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT,
			0, &chip);
	if (error < 0)
		goto out;

	card->private_data = chip;

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

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

	strcpy(card->driver, "AD1848");
	strcpy(card->shortname, chip->pcm->name);

	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
		chip->pcm->name, chip->port, irq[n], dma1[n]);
	if (thinkpad[n])
		strcat(card->longname, " [Thinkpad]");

	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 snd_ad1848_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	return 0;
}

#ifdef CONFIG_PM
static int snd_ad1848_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_ad1848_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_ad1848_driver = {
	.match		= snd_ad1848_match,
	.probe		= snd_ad1848_probe,
	.remove		= snd_ad1848_remove,
#ifdef CONFIG_PM
	.suspend	= snd_ad1848_suspend,
	.resume		= snd_ad1848_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

static int __init alsa_card_ad1848_init(void)
{
	return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS);
}

static void __exit alsa_card_ad1848_exit(void)
{
	isa_unregister_driver(&snd_ad1848_driver);
}

module_init(alsa_card_ad1848_init);
module_exit(alsa_card_ad1848_exit);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
	3	* Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
c1017a4c JK	4	* Jaroslav Kysela <perex@perex.cz>
c1017a4c JK	5	* Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	6	*
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*
	22	*/
	23
1da177e4	24	#include <linux/init.h>
68668845	25	#include <linux/err.h>
e2759e33	26	#include <linux/isa.h>
1da177e4 LT	27	#include <linux/time.h>
1da177e4 LT	28	#include <linux/wait.h>
65a77217	29	#include <linux/module.h>
1da177e4	30	#include <sound/core.h>
760fc6b8	31	#include <sound/wss.h>
1da177e4 LT	32	#include <sound/initval.h>
1da177e4 LT	33
e2759e33 RH	34	#define CRD_NAME "Generic AD1848/AD1847/CS4248"
	35	#define DEV_NAME "ad1848"
	36
	37	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	38	MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	39	MODULE_LICENSE("GPL");
	40	MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
	41	"{Analog Devices,AD1847},"
	42	"{Crystal Semiconductors,CS4248}}");
	43
	44	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	45	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a67ff6a5	46	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4 LT	47	static long 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 dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
a67ff6a5	50	static bool thinkpad[SNDRV_CARDS]; /* Thinkpad special case */
1da177e4 LT	51
1da177e4 LT	52	module_param_array(index, int, NULL, 0444);
e2759e33	53	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	54	module_param_array(id, charp, NULL, 0444);
e2759e33	55	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	56	module_param_array(enable, bool, NULL, 0444);
e2759e33	57	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
1da177e4	58	module_param_array(port, long, NULL, 0444);
e2759e33	59	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
1da177e4	60	module_param_array(irq, int, NULL, 0444);
e2759e33	61	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
1da177e4	62	module_param_array(dma1, int, NULL, 0444);
e2759e33	63	MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
1da177e4 LT	64	module_param_array(thinkpad, bool, NULL, 0444);
	65	MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
	66
1bff292e	67	static int snd_ad1848_match(struct device *dev, unsigned int n)
e2759e33 RH	68	{
	69	if (!enable[n])
	70	return 0;
f7a9275d	71
e2759e33	72	if (port[n] == SNDRV_AUTO_PORT) {
0418ff0c	73	dev_err(dev, "please specify port\n");
e2759e33 RH	74	return 0;
	75	}
	76	if (irq[n] == SNDRV_AUTO_IRQ) {
0418ff0c	77	dev_err(dev, "please specify irq\n");
e2759e33 RH	78	return 0;
	79	}
	80	if (dma1[n] == SNDRV_AUTO_DMA) {
0418ff0c	81	dev_err(dev, "please specify dma1\n");
e2759e33 RH	82	return 0;
	83	}
	84	return 1;
	85	}
1da177e4	86
1bff292e	87	static int snd_ad1848_probe(struct device *dev, unsigned int n)
1da177e4	88	{
c8ff6647	89	struct snd_card *card;
241b3ee7	90	struct snd_wss *chip;
e2759e33	91	int error;
1da177e4	92
4323cc4d	93	error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
c95eadd2 TI	94	if (error < 0)
c95eadd2 TI	95	return error;
1da177e4	96
760fc6b8 KH	97	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1,
	98	thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT,
	99	0, &chip);
e2759e33 RH	100	if (error < 0)
e2759e33 RH	101	goto out;
1da177e4	102
68668845	103	card->private_data = chip;
43bcd973	104
fa60c065	105	error = snd_wss_pcm(chip, 0);
e2759e33 RH	106	if (error < 0)
e2759e33 RH	107	goto out;
43bcd973	108
5664daa1	109	error = snd_wss_mixer(chip);
e2759e33 RH	110	if (error < 0)
e2759e33 RH	111	goto out;
1da177e4	112
1da177e4	113	strcpy(card->driver, "AD1848");
fa60c065	114	strcpy(card->shortname, chip->pcm->name);
1da177e4 LT	115
1da177e4 LT	116	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
fa60c065	117	chip->pcm->name, chip->port, irq[n], dma1[n]);
e2759e33	118	if (thinkpad[n])
1da177e4	119	strcat(card->longname, " [Thinkpad]");
1da177e4	120
e2759e33 RH	121	error = snd_card_register(card);
	122	if (error < 0)
	123	goto out;
43bcd973	124
e2759e33	125	dev_set_drvdata(dev, card);
1da177e4	126	return 0;
43bcd973	127
e2759e33 RH	128	out: snd_card_free(card);
e2759e33 RH	129	return error;
1da177e4 LT	130	}
1da177e4 LT	131
1bff292e	132	static int snd_ad1848_remove(struct device *dev, unsigned int n)
68668845	133	{
e2759e33	134	snd_card_free(dev_get_drvdata(dev));
68668845 TI	135	return 0;
	136	}
	137
	138	#ifdef CONFIG_PM
e2759e33	139	static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state)
68668845	140	{
e2759e33	141	struct snd_card *card = dev_get_drvdata(dev);
241b3ee7	142	struct snd_wss *chip = card->private_data;
68668845 TI	143
	144	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	145	chip->suspend(chip);
	146	return 0;
	147	}
	148
e2759e33	149	static int snd_ad1848_resume(struct device *dev, unsigned int n)
1da177e4	150	{
e2759e33	151	struct snd_card *card = dev_get_drvdata(dev);
241b3ee7	152	struct snd_wss *chip = card->private_data;
1da177e4	153
68668845 TI	154	chip->resume(chip);
	155	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	156	return 0;
	157	}
	158	#endif
	159
e2759e33 RH	160	static struct isa_driver snd_ad1848_driver = {
e2759e33 RH	161	.match = snd_ad1848_match,
68668845	162	.probe = snd_ad1848_probe,
1bff292e	163	.remove = snd_ad1848_remove,
68668845 TI	164	#ifdef CONFIG_PM
	165	.suspend = snd_ad1848_suspend,
	166	.resume = snd_ad1848_resume,
	167	#endif
	168	.driver = {
e2759e33 RH	169	.name = DEV_NAME
e2759e33 RH	170	}
68668845	171	};
1da177e4	172
68668845 TI	173	static int __init alsa_card_ad1848_init(void)
68668845 TI	174	{
e2759e33	175	return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS);
1da177e4 LT	176	}
	177
	178	static void __exit alsa_card_ad1848_exit(void)
	179	{
e2759e33	180	isa_unregister_driver(&snd_ad1848_driver);
1da177e4 LT	181	}
1da177e4 LT	182
e2759e33 RH	183	module_init(alsa_card_ad1848_init);
e2759e33 RH	184	module_exit(alsa_card_ad1848_exit);