[thirdparty/kernel/stable.git] / sound / isa / sb / sb8.c

/*
 *  Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
 *  Copyright (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/ioport.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/sb.h>
#include <sound/opl3.h>
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");

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;	/* 0x220,0x240,0x260 */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for SB8 driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
module_param_array(dma8, int, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");

struct snd_sb8 {
	struct resource *fm_res;	/* used to block FM i/o region for legacy cards */
	struct snd_sb *chip;
};

static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
{
	struct snd_sb *chip = dev_id;

	if (chip->open & SB_OPEN_PCM) {
		return snd_sb8dsp_interrupt(chip);
	} else {
		return snd_sb8dsp_midi_interrupt(chip);
	}
}

static void snd_sb8_free(struct snd_card *card)
{
	struct snd_sb8 *acard = card->private_data;

	if (acard == NULL)
		return;
	release_and_free_resource(acard->fm_res);
}

static int snd_sb8_match(struct device *pdev, unsigned int dev)
{
	if (!enable[dev])
		return 0;
	if (irq[dev] == SNDRV_AUTO_IRQ) {
		dev_err(pdev, "please specify irq\n");
		return 0;
	}
	if (dma8[dev] == SNDRV_AUTO_DMA) {
		dev_err(pdev, "please specify dma8\n");
		return 0;
	}
	return 1;
}

static int snd_sb8_probe(struct device *pdev, unsigned int dev)
{
	struct snd_sb *chip;
	struct snd_card *card;
	struct snd_sb8 *acard;
	struct snd_opl3 *opl3;
	int err;

	err = snd_card_create(index[dev], id[dev], THIS_MODULE,
			      sizeof(struct snd_sb8), &card);
	if (err < 0)
		return err;
	acard = card->private_data;
	card->private_free = snd_sb8_free;

	/* block the 0x388 port to avoid PnP conflicts */
	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");

	if (port[dev] != SNDRV_AUTO_PORT) {
		if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
					    snd_sb8_interrupt,
					    dma8[dev],
					    -1,
					    SB_HW_AUTO,
					    &chip)) < 0)
			goto _err;
	} else {
		/* auto-probe legacy ports */
		static unsigned long possible_ports[] = {
			0x220, 0x240, 0x260,
		};
		int i;
		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
			err = snd_sbdsp_create(card, possible_ports[i],
					       irq[dev],
					       snd_sb8_interrupt,
					       dma8[dev],
					       -1,
					       SB_HW_AUTO,
					       &chip);
			if (err >= 0) {
				port[dev] = possible_ports[i];
				break;
			}
		}
		if (i >= ARRAY_SIZE(possible_ports)) {
			err = -EINVAL;
			goto _err;
		}
	}
	acard->chip = chip;
			
	if (chip->hardware >= SB_HW_16) {
		if (chip->hardware == SB_HW_ALS100)
			snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
				    port[dev]);
		else
			snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
				   port[dev]);
		err = -ENODEV;
		goto _err;
	}

	if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
		goto _err;

	if ((err = snd_sbmixer_new(chip)) < 0)
		goto _err;

	if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
		if ((err = snd_opl3_create(card, chip->port + 8, 0,
					   OPL3_HW_AUTO, 1,
					   &opl3)) < 0) {
			snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
		}
	} else {
		if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
					   OPL3_HW_AUTO, 1,
					   &opl3)) < 0) {
			snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
				   chip->port, chip->port + 2);
		}
	}
	if (err >= 0) {
		if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
			goto _err;
	}

	if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
		goto _err;

	strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
	strcpy(card->shortname, chip->name);
	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
		chip->name,
		chip->port,
		irq[dev], dma8[dev]);

	snd_card_set_dev(card, pdev);

	if ((err = snd_card_register(card)) < 0)
		goto _err;

	dev_set_drvdata(pdev, card);
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

static int snd_sb8_remove(struct device *pdev, unsigned int dev)
{
	snd_card_free(dev_get_drvdata(pdev));
	return 0;
}

#ifdef CONFIG_PM
static int snd_sb8_suspend(struct device *dev, unsigned int n,
			   pm_message_t state)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_sb8 *acard = card->private_data;
	struct snd_sb *chip = acard->chip;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	snd_pcm_suspend_all(chip->pcm);
	snd_sbmixer_suspend(chip);
	return 0;
}

static int snd_sb8_resume(struct device *dev, unsigned int n)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_sb8 *acard = card->private_data;
	struct snd_sb *chip = acard->chip;

	snd_sbdsp_reset(chip);
	snd_sbmixer_resume(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif

#define DEV_NAME "sb8"

static struct isa_driver snd_sb8_driver = {
	.match		= snd_sb8_match,
	.probe		= snd_sb8_probe,
	.remove		= snd_sb8_remove,
#ifdef CONFIG_PM
	.suspend	= snd_sb8_suspend,
	.resume		= snd_sb8_resume,
#endif
	.driver		= {
		.name	= DEV_NAME 
	},
};

static int __init alsa_card_sb8_init(void)
{
	return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
}

static void __exit alsa_card_sb8_exit(void)
{
	isa_unregister_driver(&snd_sb8_driver);
}

module_init(alsa_card_sb8_init)
module_exit(alsa_card_sb8_exit)
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
c1017a4c	3	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	4	*
	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
1da177e4	22	#include <linux/init.h>
67be4458	23	#include <linux/err.h>
5e24c1c1	24	#include <linux/isa.h>
1da177e4	25	#include <linux/ioport.h>
65a77217	26	#include <linux/module.h>
1da177e4 LT	27	#include <sound/core.h>
	28	#include <sound/sb.h>
	29	#include <sound/opl3.h>
1da177e4 LT	30	#include <sound/initval.h>
1da177e4 LT	31
c1017a4c	32	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	33	MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
	34	MODULE_LICENSE("GPL");
	35	MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
	36
	37	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	38	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a67ff6a5	39	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4 LT	40	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
	41	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	42	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
	43
	44	module_param_array(index, int, NULL, 0444);
	45	MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
	46	module_param_array(id, charp, NULL, 0444);
	47	MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
	48	module_param_array(enable, bool, NULL, 0444);
	49	MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
	50	module_param_array(port, long, NULL, 0444);
	51	MODULE_PARM_DESC(port, "Port # for SB8 driver.");
	52	module_param_array(irq, int, NULL, 0444);
	53	MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
	54	module_param_array(dma8, int, NULL, 0444);
	55	MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
	56
	57	struct snd_sb8 {
	58	struct resource fm_res; / used to block FM i/o region for legacy cards */
67be4458	59	struct snd_sb *chip;
1da177e4 LT	60	};
1da177e4 LT	61
7d12e780	62	static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
1da177e4	63	{
029d64b0	64	struct snd_sb *chip = dev_id;
1da177e4 LT	65
	66	if (chip->open & SB_OPEN_PCM) {
	67	return snd_sb8dsp_interrupt(chip);
	68	} else {
	69	return snd_sb8dsp_midi_interrupt(chip);
	70	}
	71	}
	72
029d64b0	73	static void snd_sb8_free(struct snd_card *card)
1da177e4	74	{
9fe856e4	75	struct snd_sb8 *acard = card->private_data;
1da177e4 LT	76
	77	if (acard == NULL)
	78	return;
b1d5776d	79	release_and_free_resource(acard->fm_res);
1da177e4 LT	80	}
1da177e4 LT	81
1bff292e	82	static int snd_sb8_match(struct device *pdev, unsigned int dev)
5e24c1c1 TI	83	{
	84	if (!enable[dev])
	85	return 0;
	86	if (irq[dev] == SNDRV_AUTO_IRQ) {
0418ff0c	87	dev_err(pdev, "please specify irq\n");
5e24c1c1 TI	88	return 0;
	89	}
	90	if (dma8[dev] == SNDRV_AUTO_DMA) {
0418ff0c	91	dev_err(pdev, "please specify dma8\n");
5e24c1c1 TI	92	return 0;
	93	}
	94	return 1;
	95	}
	96
1bff292e	97	static int snd_sb8_probe(struct device *pdev, unsigned int dev)
1da177e4	98	{
029d64b0 TI	99	struct snd_sb *chip;
029d64b0 TI	100	struct snd_card *card;
1da177e4	101	struct snd_sb8 *acard;
029d64b0	102	struct snd_opl3 *opl3;
1da177e4 LT	103	int err;
1da177e4 LT	104
c95eadd2 TI	105	err = snd_card_create(index[dev], id[dev], THIS_MODULE,
	106	sizeof(struct snd_sb8), &card);
	107	if (err < 0)
	108	return err;
67be4458	109	acard = card->private_data;
1da177e4 LT	110	card->private_free = snd_sb8_free;
	111
	112	/* block the 0x388 port to avoid PnP conflicts */
	113	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
	114
67be4458 TI	115	if (port[dev] != SNDRV_AUTO_PORT) {
	116	if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
	117	snd_sb8_interrupt,
	118	dma8[dev],
	119	-1,
	120	SB_HW_AUTO,
	121	&chip)) < 0)
	122	goto _err;
	123	} else {
	124	/* auto-probe legacy ports */
	125	static unsigned long possible_ports[] = {
	126	0x220, 0x240, 0x260,
	127	};
	128	int i;
	129	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	130	err = snd_sbdsp_create(card, possible_ports[i],
	131	irq[dev],
	132	snd_sb8_interrupt,
	133	dma8[dev],
	134	-1,
	135	SB_HW_AUTO,
	136	&chip);
	137	if (err >= 0) {
	138	port[dev] = possible_ports[i];
	139	break;
	140	}
	141	}
42a73df4 TI	142	if (i >= ARRAY_SIZE(possible_ports)) {
42a73df4 TI	143	err = -EINVAL;
67be4458	144	goto _err;
42a73df4	145	}
67be4458 TI	146	}
	147	acard->chip = chip;
	148
1da177e4	149	if (chip->hardware >= SB_HW_16) {
1da177e4	150	if (chip->hardware == SB_HW_ALS100)
43bcd973	151	snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
1da177e4 LT	152	port[dev]);
1da177e4 LT	153	else
43bcd973 TI	154	snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
	155	port[dev]);
	156	err = -ENODEV;
	157	goto _err;
1da177e4 LT	158	}
1da177e4 LT	159
43bcd973 TI	160	if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
	161	goto _err;
	162
	163	if ((err = snd_sbmixer_new(chip)) < 0)
	164	goto _err;
	165
1da177e4 LT	166	if (chip->hardware == SB_HW_10 \|\| chip->hardware == SB_HW_20) {
	167	if ((err = snd_opl3_create(card, chip->port + 8, 0,
	168	OPL3_HW_AUTO, 1,
	169	&opl3)) < 0) {
43bcd973	170	snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
1da177e4 LT	171	}
	172	} else {
	173	if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
	174	OPL3_HW_AUTO, 1,
	175	&opl3)) < 0) {
43bcd973	176	snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
1da177e4 LT	177	chip->port, chip->port + 2);
	178	}
	179	}
	180	if (err >= 0) {
43bcd973 TI	181	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
43bcd973 TI	182	goto _err;
1da177e4 LT	183	}
1da177e4 LT	184
43bcd973 TI	185	if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
43bcd973 TI	186	goto _err;
1da177e4 LT	187
	188	strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
	189	strcpy(card->shortname, chip->name);
	190	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
	191	chip->name,
	192	chip->port,
	193	irq[dev], dma8[dev]);
43bcd973	194
5e24c1c1	195	snd_card_set_dev(card, pdev);
43bcd973 TI	196
	197	if ((err = snd_card_register(card)) < 0)
	198	goto _err;
	199
5e24c1c1	200	dev_set_drvdata(pdev, card);
1da177e4	201	return 0;
43bcd973 TI	202
	203	_err:
	204	snd_card_free(card);
	205	return err;
1da177e4 LT	206	}
1da177e4 LT	207
1bff292e	208	static int snd_sb8_remove(struct device *pdev, unsigned int dev)
67be4458	209	{
5e24c1c1	210	snd_card_free(dev_get_drvdata(pdev));
67be4458 TI	211	return 0;
	212	}
	213
	214	#ifdef CONFIG_PM
5e24c1c1 TI	215	static int snd_sb8_suspend(struct device *dev, unsigned int n,
5e24c1c1 TI	216	pm_message_t state)
67be4458	217	{
5e24c1c1	218	struct snd_card *card = dev_get_drvdata(dev);
67be4458 TI	219	struct snd_sb8 *acard = card->private_data;
	220	struct snd_sb *chip = acard->chip;
	221
	222	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	223	snd_pcm_suspend_all(chip->pcm);
	224	snd_sbmixer_suspend(chip);
	225	return 0;
	226	}
	227
5e24c1c1	228	static int snd_sb8_resume(struct device *dev, unsigned int n)
1da177e4	229	{
5e24c1c1	230	struct snd_card *card = dev_get_drvdata(dev);
67be4458 TI	231	struct snd_sb8 *acard = card->private_data;
	232	struct snd_sb *chip = acard->chip;
	233
	234	snd_sbdsp_reset(chip);
	235	snd_sbmixer_resume(chip);
	236	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	237	return 0;
1da177e4	238	}
67be4458 TI	239	#endif
67be4458 TI	240
83c51c0a	241	#define DEV_NAME "sb8"
67be4458	242
5e24c1c1 TI	243	static struct isa_driver snd_sb8_driver = {
5e24c1c1 TI	244	.match = snd_sb8_match,
67be4458	245	.probe = snd_sb8_probe,
1bff292e	246	.remove = snd_sb8_remove,
67be4458 TI	247	#ifdef CONFIG_PM
	248	.suspend = snd_sb8_suspend,
	249	.resume = snd_sb8_resume,
	250	#endif
	251	.driver = {
83c51c0a	252	.name = DEV_NAME
67be4458 TI	253	},
67be4458 TI	254	};
1da177e4 LT	255
	256	static int __init alsa_card_sb8_init(void)
	257	{
5e24c1c1	258	return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
1da177e4 LT	259	}
	260
	261	static void __exit alsa_card_sb8_exit(void)
	262	{
5e24c1c1	263	isa_unregister_driver(&snd_sb8_driver);
1da177e4 LT	264	}
	265
	266	module_init(alsa_card_sb8_init)
	267	module_exit(alsa_card_sb8_exit)