[deliverable/linux.git] / sound / isa / sgalaxy.c

/*
 *  Driver for Aztech Sound Galaxy cards
 *  Copyright (c) by Christopher Butler <chrisb@sandy.force9.co.uk.
 *
 *  I don't have documentation for this card, I based this driver on the
 *  driver for OSS/Free included in the kernel source (drivers/sound/sgalaxy.c)
 *
 *   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/delay.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/sb.h>
#include <sound/ad1848.h>
#include <sound/control.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

MODULE_AUTHOR("Christopher Butler <chrisb@sandy.force9.co.uk>");
MODULE_DESCRIPTION("Aztech Sound Galaxy");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Aztech Systems,Sound Galaxy}}");

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 sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240 */
static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x530,0xe80,0xf40,0x604 */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 7,9,10,11 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Sound Galaxy soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Sound Galaxy soundcard.");
module_param_array(sbport, long, NULL, 0444);
MODULE_PARM_DESC(sbport, "Port # for Sound Galaxy SB driver.");
module_param_array(wssport, long, NULL, 0444);
MODULE_PARM_DESC(wssport, "Port # for Sound Galaxy WSS driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for Sound Galaxy driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for Sound Galaxy driver.");

#define SGALAXY_AUXC_LEFT 18
#define SGALAXY_AUXC_RIGHT 19

#define PFX	"sgalaxy: "

/*

 */

#define AD1848P1( port, x ) ( port + c_d_c_AD1848##x )

/* from lowlevel/sb/sb.c - to avoid having to allocate a struct snd_sb for the */
/* short time we actually need it.. */

static int snd_sgalaxy_sbdsp_reset(unsigned long port)
{
	int i;

	outb(1, SBP1(port, RESET));
	udelay(10);
	outb(0, SBP1(port, RESET));
	udelay(30);
	for (i = 0; i < 1000 && !(inb(SBP1(port, DATA_AVAIL)) & 0x80); i++);
	if (inb(SBP1(port, READ)) != 0xaa) {
		snd_printd("sb_reset: failed at 0x%lx!!!\n", port);
		return -ENODEV;
	}
	return 0;
}

static int __devinit snd_sgalaxy_sbdsp_command(unsigned long port,
					       unsigned char val)
{
	int i;
       	
	for (i = 10000; i; i--)
		if ((inb(SBP1(port, STATUS)) & 0x80) == 0) {
			outb(val, SBP1(port, COMMAND));
			return 1;
		}

	return 0;
}

static irqreturn_t snd_sgalaxy_dummy_interrupt(int irq, void *dev_id)
{
	return IRQ_NONE;
}

static int __devinit snd_sgalaxy_setup_wss(unsigned long port, int irq, int dma)
{
	static int interrupt_bits[] = {-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 
				       0x10, 0x18, 0x20, -1, -1, -1, -1};
	static int dma_bits[] = {1, 2, 0, 3};
	int tmp, tmp1;

	if ((tmp = inb(port + 3)) == 0xff)
	{
		snd_printdd("I/O address dead (0x%lx)\n", port);
		return 0;
	}
#if 0
	snd_printdd("WSS signature = 0x%x\n", tmp);
#endif

        if ((tmp & 0x3f) != 0x04 &&
            (tmp & 0x3f) != 0x0f &&
            (tmp & 0x3f) != 0x00) {
		snd_printdd("No WSS signature detected on port 0x%lx\n",
			    port + 3);
		return 0;
	}

#if 0
	snd_printdd(PFX "setting up IRQ/DMA for WSS\n");
#endif

        /* initialize IRQ for WSS codec */
        tmp = interrupt_bits[irq % 16];
        if (tmp < 0)
                return -EINVAL;

	if (request_irq(irq, snd_sgalaxy_dummy_interrupt, IRQF_DISABLED, "sgalaxy", NULL)) {
		snd_printk(KERN_ERR "sgalaxy: can't grab irq %d\n", irq);
		return -EIO;
	}

        outb(tmp | 0x40, port);
        tmp1 = dma_bits[dma % 4];
        outb(tmp | tmp1, port);

	free_irq(irq, NULL);

	return 0;
}

static int __devinit snd_sgalaxy_detect(int dev, int irq, int dma)
{
#if 0
	snd_printdd(PFX "switching to WSS mode\n");
#endif

	/* switch to WSS mode */
	snd_sgalaxy_sbdsp_reset(sbport[dev]);

	snd_sgalaxy_sbdsp_command(sbport[dev], 9);
	snd_sgalaxy_sbdsp_command(sbport[dev], 0);

	udelay(400);
	return snd_sgalaxy_setup_wss(wssport[dev], irq, dma);
}

static struct ad1848_mix_elem snd_sgalaxy_controls[] = {
AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1),
AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0)
};

static int __devinit snd_sgalaxy_mixer(struct snd_ad1848 *chip)
{
	struct snd_card *card = chip->card;
	struct snd_ctl_elem_id id1, id2;
	unsigned int idx;
	int err;

	memset(&id1, 0, sizeof(id1));
	memset(&id2, 0, sizeof(id2));
	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	/* reassign AUX0 to LINE */
	strcpy(id1.name, "Aux Playback Switch");
	strcpy(id2.name, "Line Playback Switch");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	strcpy(id1.name, "Aux Playback Volume");
	strcpy(id2.name, "Line Playback Volume");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	/* reassign AUX1 to FM */
	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	strcpy(id2.name, "FM Playback Switch");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	strcpy(id1.name, "Aux Playback Volume");
	strcpy(id2.name, "FM Playback Volume");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	/* build AUX2 input */
	for (idx = 0; idx < ARRAY_SIZE(snd_sgalaxy_controls); idx++) {
		if ((err = snd_ad1848_add_ctl_elem(chip, &snd_sgalaxy_controls[idx])) < 0)
			return err;
	}
	return 0;
}

static int __devinit snd_sgalaxy_match(struct device *devptr, unsigned int dev)
{
	if (!enable[dev])
		return 0;
	if (sbport[dev] == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR PFX "specify SB port\n");
		return 0;
	}
	if (wssport[dev] == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR PFX "specify WSS port\n");
		return 0;
	}
	return 1;
}

static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev)
{
	static int possible_irqs[] = {7, 9, 10, 11, -1};
	static int possible_dmas[] = {1, 3, 0, -1};
	int err, xirq, xdma1;
	struct snd_card *card;
	struct snd_ad1848 *chip;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	if (card == NULL)
		return -ENOMEM;

	xirq = irq[dev];
	if (xirq == SNDRV_AUTO_IRQ) {
		if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
			err = -EBUSY;
			goto _err;
		}
	}
	xdma1 = dma1[dev];
        if (xdma1 == SNDRV_AUTO_DMA) {
		if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
			snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
			err = -EBUSY;
			goto _err;
		}
	}

	if ((err = snd_sgalaxy_detect(dev, xirq, xdma1)) < 0)
		goto _err;

	if ((err = snd_ad1848_create(card, wssport[dev] + 4,
				     xirq, xdma1,
				     AD1848_HW_DETECT, &chip)) < 0)
		goto _err;
	card->private_data = chip;

	if ((err = snd_ad1848_pcm(chip, 0, NULL)) < 0) {
		snd_printdd(PFX "error creating new ad1848 PCM device\n");
		goto _err;
	}
	if ((err = snd_ad1848_mixer(chip)) < 0) {
		snd_printdd(PFX "error creating new ad1848 mixer\n");
		goto _err;
	}
	if ((err = snd_sgalaxy_mixer(chip)) < 0) {
		snd_printdd(PFX "the mixer rewrite failed\n");
		goto _err;
	}

	strcpy(card->driver, "Sound Galaxy");
	strcpy(card->shortname, "Sound Galaxy");
	sprintf(card->longname, "Sound Galaxy at 0x%lx, irq %d, dma %d",
		wssport[dev], xirq, xdma1);

	snd_card_set_dev(card, devptr);

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

	dev_set_drvdata(devptr, card);
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

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

#ifdef CONFIG_PM
static int snd_sgalaxy_suspend(struct device *pdev, unsigned int n,
			       pm_message_t state)
{
	struct snd_card *card = dev_get_drvdata(pdev);
	struct snd_ad1848 *chip = card->private_data;

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

static int snd_sgalaxy_resume(struct device *pdev, unsigned int n)
{
	struct snd_card *card = dev_get_drvdata(pdev);
	struct snd_ad1848 *chip = card->private_data;

	chip->resume(chip);
	snd_ad1848_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]);
	snd_ad1848_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]);

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

#define DEV_NAME "sgalaxy"

static struct isa_driver snd_sgalaxy_driver = {
	.match		= snd_sgalaxy_match,
	.probe		= snd_sgalaxy_probe,
	.remove		= __devexit_p(snd_sgalaxy_remove),
#ifdef CONFIG_PM
	.suspend	= snd_sgalaxy_suspend,
	.resume		= snd_sgalaxy_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	},
};

static int __init alsa_card_sgalaxy_init(void)
{
	return isa_register_driver(&snd_sgalaxy_driver, SNDRV_CARDS);
}

static void __exit alsa_card_sgalaxy_exit(void)
{
	isa_unregister_driver(&snd_sgalaxy_driver);
}

module_init(alsa_card_sgalaxy_init)
module_exit(alsa_card_sgalaxy_exit)
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Driver for Aztech Sound Galaxy cards
	3	* Copyright (c) by Christopher Butler <chrisb@sandy.force9.co.uk.
	4	*
	5	* I don't have documentation for this card, I based this driver on the
	6	* driver for OSS/Free included in the kernel source (drivers/sound/sgalaxy.c)
	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
	24	#include <sound/driver.h>
1da177e4	25	#include <linux/init.h>
feb158e6	26	#include <linux/err.h>
5e24c1c1	27	#include <linux/isa.h>
1da177e4 LT	28	#include <linux/delay.h>
	29	#include <linux/time.h>
	30	#include <linux/interrupt.h>
	31	#include <linux/moduleparam.h>
feb158e6	32	#include <asm/dma.h>
1da177e4 LT	33	#include <sound/core.h>
	34	#include <sound/sb.h>
	35	#include <sound/ad1848.h>
	36	#include <sound/control.h>
	37	#define SNDRV_LEGACY_FIND_FREE_IRQ
	38	#define SNDRV_LEGACY_FIND_FREE_DMA
	39	#include <sound/initval.h>
	40
	41	MODULE_AUTHOR("Christopher Butler <chrisb@sandy.force9.co.uk>");
	42	MODULE_DESCRIPTION("Aztech Sound Galaxy");
	43	MODULE_LICENSE("GPL");
	44	MODULE_SUPPORTED_DEVICE("{{Aztech Systems,Sound Galaxy}}");
	45
	46	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	47	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	48	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
	49	static long sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240 */
	50	static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530,0xe80,0xf40,0x604 */
	51	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 7,9,10,11 */
	52	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
	53
	54	module_param_array(index, int, NULL, 0444);
	55	MODULE_PARM_DESC(index, "Index value for Sound Galaxy soundcard.");
	56	module_param_array(id, charp, NULL, 0444);
	57	MODULE_PARM_DESC(id, "ID string for Sound Galaxy soundcard.");
	58	module_param_array(sbport, long, NULL, 0444);
	59	MODULE_PARM_DESC(sbport, "Port # for Sound Galaxy SB driver.");
	60	module_param_array(wssport, long, NULL, 0444);
	61	MODULE_PARM_DESC(wssport, "Port # for Sound Galaxy WSS driver.");
	62	module_param_array(irq, int, NULL, 0444);
	63	MODULE_PARM_DESC(irq, "IRQ # for Sound Galaxy driver.");
	64	module_param_array(dma1, int, NULL, 0444);
	65	MODULE_PARM_DESC(dma1, "DMA1 # for Sound Galaxy driver.");
	66
	67	#define SGALAXY_AUXC_LEFT 18
	68	#define SGALAXY_AUXC_RIGHT 19
	69
43bcd973 TI	70	#define PFX "sgalaxy: "
43bcd973 TI	71
1da177e4 LT	72	/*
	73
	74	*/
	75
	76	#define AD1848P1( port, x ) ( port + c_d_c_AD1848##x )
	77
11ff5c62	78	/* from lowlevel/sb/sb.c - to avoid having to allocate a struct snd_sb for the */
1da177e4 LT	79	/* short time we actually need it.. */
	80
	81	static int snd_sgalaxy_sbdsp_reset(unsigned long port)
	82	{
	83	int i;
	84
	85	outb(1, SBP1(port, RESET));
	86	udelay(10);
	87	outb(0, SBP1(port, RESET));
	88	udelay(30);
	89	for (i = 0; i < 1000 && !(inb(SBP1(port, DATA_AVAIL)) & 0x80); i++);
	90	if (inb(SBP1(port, READ)) != 0xaa) {
	91	snd_printd("sb_reset: failed at 0x%lx!!!\n", port);
	92	return -ENODEV;
	93	}
	94	return 0;
	95	}
	96
5e24c1c1 TI	97	static int __devinit snd_sgalaxy_sbdsp_command(unsigned long port,
5e24c1c1 TI	98	unsigned char val)
1da177e4 LT	99	{
	100	int i;
	101
	102	for (i = 10000; i; i--)
	103	if ((inb(SBP1(port, STATUS)) & 0x80) == 0) {
	104	outb(val, SBP1(port, COMMAND));
	105	return 1;
	106	}
	107
	108	return 0;
	109	}
	110
7d12e780	111	static irqreturn_t snd_sgalaxy_dummy_interrupt(int irq, void *dev_id)
1da177e4 LT	112	{
	113	return IRQ_NONE;
	114	}
	115
5e24c1c1	116	static int __devinit snd_sgalaxy_setup_wss(unsigned long port, int irq, int dma)
1da177e4 LT	117	{
	118	static int interrupt_bits[] = {-1, -1, -1, -1, -1, -1, -1, 0x08, -1,
	119	0x10, 0x18, 0x20, -1, -1, -1, -1};
	120	static int dma_bits[] = {1, 2, 0, 3};
	121	int tmp, tmp1;
	122
	123	if ((tmp = inb(port + 3)) == 0xff)
	124	{
	125	snd_printdd("I/O address dead (0x%lx)\n", port);
	126	return 0;
	127	}
	128	#if 0
	129	snd_printdd("WSS signature = 0x%x\n", tmp);
	130	#endif
	131
	132	if ((tmp & 0x3f) != 0x04 &&
	133	(tmp & 0x3f) != 0x0f &&
	134	(tmp & 0x3f) != 0x00) {
	135	snd_printdd("No WSS signature detected on port 0x%lx\n",
	136	port + 3);
	137	return 0;
	138	}
	139
	140	#if 0
43bcd973	141	snd_printdd(PFX "setting up IRQ/DMA for WSS\n");
1da177e4 LT	142	#endif
	143
	144	/* initialize IRQ for WSS codec */
	145	tmp = interrupt_bits[irq % 16];
	146	if (tmp < 0)
	147	return -EINVAL;
	148
65ca68b3	149	if (request_irq(irq, snd_sgalaxy_dummy_interrupt, IRQF_DISABLED, "sgalaxy", NULL)) {
1da177e4 LT	150	snd_printk(KERN_ERR "sgalaxy: can't grab irq %d\n", irq);
	151	return -EIO;
	152	}
	153
	154	outb(tmp \| 0x40, port);
	155	tmp1 = dma_bits[dma % 4];
	156	outb(tmp \| tmp1, port);
	157
	158	free_irq(irq, NULL);
	159
	160	return 0;
	161	}
	162
5e24c1c1	163	static int __devinit snd_sgalaxy_detect(int dev, int irq, int dma)
1da177e4 LT	164	{
1da177e4 LT	165	#if 0
43bcd973	166	snd_printdd(PFX "switching to WSS mode\n");
1da177e4 LT	167	#endif
	168
	169	/* switch to WSS mode */
	170	snd_sgalaxy_sbdsp_reset(sbport[dev]);
	171
	172	snd_sgalaxy_sbdsp_command(sbport[dev], 9);
	173	snd_sgalaxy_sbdsp_command(sbport[dev], 0);
	174
	175	udelay(400);
	176	return snd_sgalaxy_setup_wss(wssport[dev], irq, dma);
	177	}
	178
	179	static struct ad1848_mix_elem snd_sgalaxy_controls[] = {
	180	AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1),
	181	AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0)
	182	};
	183
5e24c1c1	184	static int __devinit snd_sgalaxy_mixer(struct snd_ad1848 *chip)
1da177e4	185	{
11ff5c62 TI	186	struct snd_card *card = chip->card;
11ff5c62 TI	187	struct snd_ctl_elem_id id1, id2;
1da177e4 LT	188	unsigned int idx;
	189	int err;
	190
	191	memset(&id1, 0, sizeof(id1));
	192	memset(&id2, 0, sizeof(id2));
	193	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	194	/* reassign AUX0 to LINE */
	195	strcpy(id1.name, "Aux Playback Switch");
	196	strcpy(id2.name, "Line Playback Switch");
	197	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	198	return err;
	199	strcpy(id1.name, "Aux Playback Volume");
	200	strcpy(id2.name, "Line Playback Volume");
	201	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	202	return err;
	203	/* reassign AUX1 to FM */
	204	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	205	strcpy(id2.name, "FM Playback Switch");
	206	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	207	return err;
	208	strcpy(id1.name, "Aux Playback Volume");
	209	strcpy(id2.name, "FM Playback Volume");
	210	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	211	return err;
	212	/* build AUX2 input */
	213	for (idx = 0; idx < ARRAY_SIZE(snd_sgalaxy_controls); idx++) {
	214	if ((err = snd_ad1848_add_ctl_elem(chip, &snd_sgalaxy_controls[idx])) < 0)
	215	return err;
	216	}
	217	return 0;
	218	}
	219
5e24c1c1	220	static int __devinit snd_sgalaxy_match(struct device *devptr, unsigned int dev)
1da177e4	221	{
5e24c1c1 TI	222	if (!enable[dev])
5e24c1c1 TI	223	return 0;
1da177e4	224	if (sbport[dev] == SNDRV_AUTO_PORT) {
43bcd973	225	snd_printk(KERN_ERR PFX "specify SB port\n");
5e24c1c1	226	return 0;
1da177e4 LT	227	}
1da177e4 LT	228	if (wssport[dev] == SNDRV_AUTO_PORT) {
43bcd973	229	snd_printk(KERN_ERR PFX "specify WSS port\n");
5e24c1c1	230	return 0;
1da177e4	231	}
5e24c1c1 TI	232	return 1;
	233	}
	234
	235	static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev)
	236	{
	237	static int possible_irqs[] = {7, 9, 10, 11, -1};
	238	static int possible_dmas[] = {1, 3, 0, -1};
	239	int err, xirq, xdma1;
	240	struct snd_card *card;
	241	struct snd_ad1848 *chip;
	242
1da177e4 LT	243	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	244	if (card == NULL)
	245	return -ENOMEM;
	246
	247	xirq = irq[dev];
	248	if (xirq == SNDRV_AUTO_IRQ) {
	249	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
43bcd973 TI	250	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	251	err = -EBUSY;
	252	goto _err;
1da177e4 LT	253	}
	254	}
	255	xdma1 = dma1[dev];
	256	if (xdma1 == SNDRV_AUTO_DMA) {
	257	if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	258	snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
	259	err = -EBUSY;
	260	goto _err;
1da177e4 LT	261	}
	262	}
	263
43bcd973 TI	264	if ((err = snd_sgalaxy_detect(dev, xirq, xdma1)) < 0)
43bcd973 TI	265	goto _err;
1da177e4 LT	266
	267	if ((err = snd_ad1848_create(card, wssport[dev] + 4,
	268	xirq, xdma1,
43bcd973 TI	269	AD1848_HW_DETECT, &chip)) < 0)
43bcd973 TI	270	goto _err;
feb158e6	271	card->private_data = chip;
1da177e4 LT	272
1da177e4 LT	273	if ((err = snd_ad1848_pcm(chip, 0, NULL)) < 0) {
43bcd973 TI	274	snd_printdd(PFX "error creating new ad1848 PCM device\n");
43bcd973 TI	275	goto _err;
1da177e4 LT	276	}
1da177e4 LT	277	if ((err = snd_ad1848_mixer(chip)) < 0) {
43bcd973 TI	278	snd_printdd(PFX "error creating new ad1848 mixer\n");
43bcd973 TI	279	goto _err;
1da177e4	280	}
43bcd973 TI	281	if ((err = snd_sgalaxy_mixer(chip)) < 0) {
	282	snd_printdd(PFX "the mixer rewrite failed\n");
	283	goto _err;
1da177e4 LT	284	}
	285
	286	strcpy(card->driver, "Sound Galaxy");
	287	strcpy(card->shortname, "Sound Galaxy");
	288	sprintf(card->longname, "Sound Galaxy at 0x%lx, irq %d, dma %d",
	289	wssport[dev], xirq, xdma1);
	290
5e24c1c1	291	snd_card_set_dev(card, devptr);
43bcd973 TI	292
	293	if ((err = snd_card_register(card)) < 0)
	294	goto _err;
	295
5e24c1c1	296	dev_set_drvdata(devptr, card);
1da177e4	297	return 0;
43bcd973 TI	298
	299	_err:
	300	snd_card_free(card);
	301	return err;
1da177e4 LT	302	}
1da177e4 LT	303
5e24c1c1	304	static int __devexit snd_sgalaxy_remove(struct device *devptr, unsigned int dev)
feb158e6	305	{
5e24c1c1 TI	306	snd_card_free(dev_get_drvdata(devptr));
5e24c1c1 TI	307	dev_set_drvdata(devptr, NULL);
feb158e6 TI	308	return 0;
	309	}
	310
	311	#ifdef CONFIG_PM
5e24c1c1 TI	312	static int snd_sgalaxy_suspend(struct device *pdev, unsigned int n,
5e24c1c1 TI	313	pm_message_t state)
feb158e6	314	{
5e24c1c1	315	struct snd_card *card = dev_get_drvdata(pdev);
feb158e6 TI	316	struct snd_ad1848 *chip = card->private_data;
	317
	318	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	319	chip->suspend(chip);
	320	return 0;
	321	}
	322
5e24c1c1	323	static int snd_sgalaxy_resume(struct device *pdev, unsigned int n)
feb158e6	324	{
5e24c1c1	325	struct snd_card *card = dev_get_drvdata(pdev);
feb158e6 TI	326	struct snd_ad1848 *chip = card->private_data;
	327
	328	chip->resume(chip);
	329	snd_ad1848_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]);
	330	snd_ad1848_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]);
	331
	332	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	333	return 0;
	334	}
	335	#endif
	336
83c51c0a	337	#define DEV_NAME "sgalaxy"
feb158e6	338
5e24c1c1 TI	339	static struct isa_driver snd_sgalaxy_driver = {
5e24c1c1 TI	340	.match = snd_sgalaxy_match,
feb158e6 TI	341	.probe = snd_sgalaxy_probe,
	342	.remove = __devexit_p(snd_sgalaxy_remove),
	343	#ifdef CONFIG_PM
	344	.suspend = snd_sgalaxy_suspend,
	345	.resume = snd_sgalaxy_resume,
	346	#endif
	347	.driver = {
83c51c0a	348	.name = DEV_NAME
feb158e6 TI	349	},
	350	};
	351
1da177e4 LT	352	static int __init alsa_card_sgalaxy_init(void)
1da177e4 LT	353	{
5e24c1c1	354	return isa_register_driver(&snd_sgalaxy_driver, SNDRV_CARDS);
1da177e4 LT	355	}
	356
	357	static void __exit alsa_card_sgalaxy_exit(void)
	358	{
5e24c1c1	359	isa_unregister_driver(&snd_sgalaxy_driver);
1da177e4 LT	360	}
	361
	362	module_init(alsa_card_sgalaxy_init)
	363	module_exit(alsa_card_sgalaxy_exit)