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

/*
 *  Driver for Aztech Sound Galaxy cards
 *  Copyright (c) by Christopher Butler <[email protected].
 *
 *  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/platform_device.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 <[email protected]>");
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.");

static struct platform_device *devices[SNDRV_CARDS];

#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 __init 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, struct pt_regs *regs)
{
	return IRQ_NONE;
}

static int __init 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 __init 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 __init 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 __init snd_sgalaxy_probe(struct platform_device *devptr)
{
	int dev = devptr->id;
	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;

	if (sbport[dev] == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR PFX "specify SB port\n");
		return -EINVAL;
	}
	if (wssport[dev] == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR PFX "specify WSS port\n");
		return -EINVAL;
	}
	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->dev);

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

	platform_set_drvdata(devptr, card);
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

static int __devexit snd_sgalaxy_remove(struct platform_device *devptr)
{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
}

#ifdef CONFIG_PM
static int snd_sgalaxy_suspend(struct platform_device *pdev, pm_message_t state)
{
	struct snd_card *card = platform_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 platform_device *pdev)
{
	struct snd_card *card = platform_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 SND_SGALAXY_DRIVER	"snd_sgalaxy"

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

static void __init_or_module snd_sgalaxy_unregister_all(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(devices); ++i)
		platform_device_unregister(devices[i]);
	platform_driver_unregister(&snd_sgalaxy_driver);
}

static int __init alsa_card_sgalaxy_init(void)
{
	int i, cards, err;

	err = platform_driver_register(&snd_sgalaxy_driver);
	if (err < 0)
		return err;

	cards = 0;
	for (i = 0; i < SNDRV_CARDS; i++) {
		struct platform_device *device;
		if (! enable[i])
			continue;
		device = platform_device_register_simple(SND_SGALAXY_DRIVER,
							 i, NULL, 0);
		if (IS_ERR(device))
			continue;
		if (!platform_get_drvdata(device)) {
			platform_device_unregister(device);
			continue;
		}
		devices[i] = device;
		cards++;
	}
	if (!cards) {
#ifdef MODULE
		snd_printk(KERN_ERR "Sound Galaxy soundcard not found or device busy\n");
#endif
		snd_sgalaxy_unregister_all();
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_sgalaxy_exit(void)
{
	snd_sgalaxy_unregister_all();
}

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 <[email protected].
	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 TI	26	#include <linux/err.h>
feb158e6 TI	27	#include <linux/platform_device.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 <[email protected]>");
	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
f7a9275d CL	67	static struct platform_device *devices[SNDRV_CARDS];
f7a9275d CL	68
1da177e4 LT	69	#define SGALAXY_AUXC_LEFT 18
	70	#define SGALAXY_AUXC_RIGHT 19
	71
43bcd973 TI	72	#define PFX "sgalaxy: "
43bcd973 TI	73
1da177e4 LT	74	/*
	75
	76	*/
	77
	78	#define AD1848P1( port, x ) ( port + c_d_c_AD1848##x )
	79
11ff5c62	80	/* from lowlevel/sb/sb.c - to avoid having to allocate a struct snd_sb for the */
1da177e4 LT	81	/* short time we actually need it.. */
	82
	83	static int snd_sgalaxy_sbdsp_reset(unsigned long port)
	84	{
	85	int i;
	86
	87	outb(1, SBP1(port, RESET));
	88	udelay(10);
	89	outb(0, SBP1(port, RESET));
	90	udelay(30);
	91	for (i = 0; i < 1000 && !(inb(SBP1(port, DATA_AVAIL)) & 0x80); i++);
	92	if (inb(SBP1(port, READ)) != 0xaa) {
	93	snd_printd("sb_reset: failed at 0x%lx!!!\n", port);
	94	return -ENODEV;
	95	}
	96	return 0;
	97	}
	98
	99	static int __init snd_sgalaxy_sbdsp_command(unsigned long port, unsigned char val)
	100	{
	101	int i;
	102
	103	for (i = 10000; i; i--)
	104	if ((inb(SBP1(port, STATUS)) & 0x80) == 0) {
	105	outb(val, SBP1(port, COMMAND));
	106	return 1;
	107	}
	108
	109	return 0;
	110	}
	111
	112	static irqreturn_t snd_sgalaxy_dummy_interrupt(int irq, void dev_id, struct pt_regs regs)
	113	{
	114	return IRQ_NONE;
	115	}
	116
	117	static int __init snd_sgalaxy_setup_wss(unsigned long port, int irq, int dma)
	118	{
	119	static int interrupt_bits[] = {-1, -1, -1, -1, -1, -1, -1, 0x08, -1,
	120	0x10, 0x18, 0x20, -1, -1, -1, -1};
	121	static int dma_bits[] = {1, 2, 0, 3};
	122	int tmp, tmp1;
	123
	124	if ((tmp = inb(port + 3)) == 0xff)
	125	{
	126	snd_printdd("I/O address dead (0x%lx)\n", port);
	127	return 0;
	128	}
	129	#if 0
	130	snd_printdd("WSS signature = 0x%x\n", tmp);
	131	#endif
	132
	133	if ((tmp & 0x3f) != 0x04 &&
	134	(tmp & 0x3f) != 0x0f &&
	135	(tmp & 0x3f) != 0x00) {
	136	snd_printdd("No WSS signature detected on port 0x%lx\n",
	137	port + 3);
	138	return 0;
	139	}
	140
	141	#if 0
43bcd973	142	snd_printdd(PFX "setting up IRQ/DMA for WSS\n");
1da177e4 LT	143	#endif
	144
	145	/* initialize IRQ for WSS codec */
	146	tmp = interrupt_bits[irq % 16];
	147	if (tmp < 0)
	148	return -EINVAL;
	149
65ca68b3	150	if (request_irq(irq, snd_sgalaxy_dummy_interrupt, IRQF_DISABLED, "sgalaxy", NULL)) {
1da177e4 LT	151	snd_printk(KERN_ERR "sgalaxy: can't grab irq %d\n", irq);
	152	return -EIO;
	153	}
	154
	155	outb(tmp \| 0x40, port);
	156	tmp1 = dma_bits[dma % 4];
	157	outb(tmp \| tmp1, port);
	158
	159	free_irq(irq, NULL);
	160
	161	return 0;
	162	}
	163
	164	static int __init snd_sgalaxy_detect(int dev, int irq, int dma)
	165	{
	166	#if 0
43bcd973	167	snd_printdd(PFX "switching to WSS mode\n");
1da177e4 LT	168	#endif
	169
	170	/* switch to WSS mode */
	171	snd_sgalaxy_sbdsp_reset(sbport[dev]);
	172
	173	snd_sgalaxy_sbdsp_command(sbport[dev], 9);
	174	snd_sgalaxy_sbdsp_command(sbport[dev], 0);
	175
	176	udelay(400);
	177	return snd_sgalaxy_setup_wss(wssport[dev], irq, dma);
	178	}
	179
	180	static struct ad1848_mix_elem snd_sgalaxy_controls[] = {
	181	AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1),
	182	AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0)
	183	};
	184
11ff5c62	185	static int __init snd_sgalaxy_mixer(struct snd_ad1848 *chip)
1da177e4	186	{
11ff5c62 TI	187	struct snd_card *card = chip->card;
11ff5c62 TI	188	struct snd_ctl_elem_id id1, id2;
1da177e4 LT	189	unsigned int idx;
	190	int err;
	191
	192	memset(&id1, 0, sizeof(id1));
	193	memset(&id2, 0, sizeof(id2));
	194	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	195	/* reassign AUX0 to LINE */
	196	strcpy(id1.name, "Aux Playback Switch");
	197	strcpy(id2.name, "Line Playback Switch");
	198	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	199	return err;
	200	strcpy(id1.name, "Aux Playback Volume");
	201	strcpy(id2.name, "Line Playback Volume");
	202	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	203	return err;
	204	/* reassign AUX1 to FM */
	205	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	206	strcpy(id2.name, "FM Playback Switch");
	207	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	208	return err;
	209	strcpy(id1.name, "Aux Playback Volume");
	210	strcpy(id2.name, "FM Playback Volume");
	211	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	212	return err;
	213	/* build AUX2 input */
	214	for (idx = 0; idx < ARRAY_SIZE(snd_sgalaxy_controls); idx++) {
	215	if ((err = snd_ad1848_add_ctl_elem(chip, &snd_sgalaxy_controls[idx])) < 0)
	216	return err;
	217	}
	218	return 0;
	219	}
	220
feb158e6	221	static int __init snd_sgalaxy_probe(struct platform_device *devptr)
1da177e4	222	{
feb158e6	223	int dev = devptr->id;
1da177e4 LT	224	static int possible_irqs[] = {7, 9, 10, 11, -1};
	225	static int possible_dmas[] = {1, 3, 0, -1};
	226	int err, xirq, xdma1;
11ff5c62 TI	227	struct snd_card *card;
11ff5c62 TI	228	struct snd_ad1848 *chip;
1da177e4 LT	229
1da177e4 LT	230	if (sbport[dev] == SNDRV_AUTO_PORT) {
43bcd973	231	snd_printk(KERN_ERR PFX "specify SB port\n");
1da177e4 LT	232	return -EINVAL;
	233	}
	234	if (wssport[dev] == SNDRV_AUTO_PORT) {
43bcd973	235	snd_printk(KERN_ERR PFX "specify WSS port\n");
1da177e4 LT	236	return -EINVAL;
	237	}
	238	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	239	if (card == NULL)
	240	return -ENOMEM;
	241
	242	xirq = irq[dev];
	243	if (xirq == SNDRV_AUTO_IRQ) {
	244	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
43bcd973 TI	245	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	246	err = -EBUSY;
	247	goto _err;
1da177e4 LT	248	}
	249	}
	250	xdma1 = dma1[dev];
	251	if (xdma1 == SNDRV_AUTO_DMA) {
	252	if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	253	snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
	254	err = -EBUSY;
	255	goto _err;
1da177e4 LT	256	}
	257	}
	258
43bcd973 TI	259	if ((err = snd_sgalaxy_detect(dev, xirq, xdma1)) < 0)
43bcd973 TI	260	goto _err;
1da177e4 LT	261
	262	if ((err = snd_ad1848_create(card, wssport[dev] + 4,
	263	xirq, xdma1,
43bcd973 TI	264	AD1848_HW_DETECT, &chip)) < 0)
43bcd973 TI	265	goto _err;
feb158e6	266	card->private_data = chip;
1da177e4 LT	267
1da177e4 LT	268	if ((err = snd_ad1848_pcm(chip, 0, NULL)) < 0) {
43bcd973 TI	269	snd_printdd(PFX "error creating new ad1848 PCM device\n");
43bcd973 TI	270	goto _err;
1da177e4 LT	271	}
1da177e4 LT	272	if ((err = snd_ad1848_mixer(chip)) < 0) {
43bcd973 TI	273	snd_printdd(PFX "error creating new ad1848 mixer\n");
43bcd973 TI	274	goto _err;
1da177e4	275	}
43bcd973 TI	276	if ((err = snd_sgalaxy_mixer(chip)) < 0) {
	277	snd_printdd(PFX "the mixer rewrite failed\n");
	278	goto _err;
1da177e4 LT	279	}
	280
	281	strcpy(card->driver, "Sound Galaxy");
	282	strcpy(card->shortname, "Sound Galaxy");
	283	sprintf(card->longname, "Sound Galaxy at 0x%lx, irq %d, dma %d",
	284	wssport[dev], xirq, xdma1);
	285
feb158e6	286	snd_card_set_dev(card, &devptr->dev);
43bcd973 TI	287
	288	if ((err = snd_card_register(card)) < 0)
	289	goto _err;
	290
feb158e6	291	platform_set_drvdata(devptr, card);
1da177e4	292	return 0;
43bcd973 TI	293
	294	_err:
	295	snd_card_free(card);
	296	return err;
1da177e4 LT	297	}
1da177e4 LT	298
feb158e6 TI	299	static int __devexit snd_sgalaxy_remove(struct platform_device *devptr)
	300	{
	301	snd_card_free(platform_get_drvdata(devptr));
	302	platform_set_drvdata(devptr, NULL);
	303	return 0;
	304	}
	305
	306	#ifdef CONFIG_PM
	307	static int snd_sgalaxy_suspend(struct platform_device *pdev, pm_message_t state)
	308	{
	309	struct snd_card *card = platform_get_drvdata(pdev);
	310	struct snd_ad1848 *chip = card->private_data;
	311
	312	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	313	chip->suspend(chip);
	314	return 0;
	315	}
	316
	317	static int snd_sgalaxy_resume(struct platform_device *pdev)
	318	{
	319	struct snd_card *card = platform_get_drvdata(pdev);
	320	struct snd_ad1848 *chip = card->private_data;
	321
	322	chip->resume(chip);
	323	snd_ad1848_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]);
	324	snd_ad1848_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]);
	325
	326	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	327	return 0;
	328	}
	329	#endif
	330
	331	#define SND_SGALAXY_DRIVER "snd_sgalaxy"
	332
	333	static struct platform_driver snd_sgalaxy_driver = {
	334	.probe = snd_sgalaxy_probe,
	335	.remove = __devexit_p(snd_sgalaxy_remove),
	336	#ifdef CONFIG_PM
	337	.suspend = snd_sgalaxy_suspend,
	338	.resume = snd_sgalaxy_resume,
	339	#endif
	340	.driver = {
	341	.name = SND_SGALAXY_DRIVER
	342	},
	343	};
	344
f7a9275d CL	345	static void __init_or_module snd_sgalaxy_unregister_all(void)
	346	{
	347	int i;
	348
	349	for (i = 0; i < ARRAY_SIZE(devices); ++i)
	350	platform_device_unregister(devices[i]);
	351	platform_driver_unregister(&snd_sgalaxy_driver);
	352	}
	353
1da177e4 LT	354	static int __init alsa_card_sgalaxy_init(void)
1da177e4 LT	355	{
feb158e6	356	int i, cards, err;
1da177e4	357
feb158e6 TI	358	err = platform_driver_register(&snd_sgalaxy_driver);
	359	if (err < 0)
	360	return err;
	361
	362	cards = 0;
8278ca8f	363	for (i = 0; i < SNDRV_CARDS; i++) {
feb158e6	364	struct platform_device *device;
8278ca8f TI	365	if (! enable[i])
8278ca8f TI	366	continue;
feb158e6 TI	367	device = platform_device_register_simple(SND_SGALAXY_DRIVER,
feb158e6 TI	368	i, NULL, 0);
d0ac642d RH	369	if (IS_ERR(device))
d0ac642d RH	370	continue;
dcccdd93 RH	371	if (!platform_get_drvdata(device)) {
	372	platform_device_unregister(device);
	373	continue;
	374	}
f7a9275d	375	devices[i] = device;
feb158e6	376	cards++;
1da177e4 LT	377	}
	378	if (!cards) {
	379	#ifdef MODULE
	380	snd_printk(KERN_ERR "Sound Galaxy soundcard not found or device busy\n");
	381	#endif
d0ac642d RH	382	snd_sgalaxy_unregister_all();
d0ac642d RH	383	return -ENODEV;
1da177e4	384	}
1da177e4 LT	385	return 0;
	386	}
	387
	388	static void __exit alsa_card_sgalaxy_exit(void)
	389	{
f7a9275d	390	snd_sgalaxy_unregister_all();
1da177e4 LT	391	}
	392
	393	module_init(alsa_card_sgalaxy_init)
	394	module_exit(alsa_card_sgalaxy_exit)