[deliverable/linux.git] / sound / isa / gus / gusmax.c

/*
 *  Driver for Gravis UltraSound MAX soundcard
 *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
#include <asm/dma.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/gus.h>
#include <sound/cs4231.h>
#define SNDRV_LEGACY_AUTO_PROBE
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Gravis UltraSound MAX");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");

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;	/* 0x220,0x230,0x240,0x250,0x260 */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 2,3,5,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
module_param_array(joystick_dac, int, NULL, 0444);
MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
module_param_array(channels, int, NULL, 0444);
MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");

struct snd_gusmax {
	int irq;
	snd_card_t *card;
	snd_gus_card_t *gus;
	cs4231_t *cs4231;
	unsigned short gus_status_reg;
	unsigned short pcm_status_reg;
};

static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;

#define PFX	"gusmax: "

static int __init snd_gusmax_detect(snd_gus_card_t * gus)
{
	unsigned char d;

	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
		return -ENODEV;
	}
	udelay(160);
	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
	udelay(160);
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
		return -ENODEV;
	}

	return 0;
}

static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
	struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id;
	int loop, max = 5;
	int handled = 0;

	do {
		loop = 0;
		if (inb(maxcard->gus_status_reg)) {
			handled = 1;
			snd_gus_interrupt(irq, maxcard->gus, regs);
			loop++;
		}
		if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
			handled = 1;
			snd_cs4231_interrupt(irq, maxcard->cs4231, regs);
			loop++;
		}
	} while (loop && --max > 0);
	return IRQ_RETVAL(handled);
}

static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus)
{
	gus->equal_irq = 1;
	gus->codec_flag = 1;
	gus->joystick_dac = joystick_dac[dev];
	/* init control register */
	gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
	if (gus->gf1.dma1 > 3)
		gus->max_cntrl_val |= 0x10;
	if (gus->gf1.dma2 > 3)
		gus->max_cntrl_val |= 0x20;
	gus->max_cntrl_val |= 0x40;
	outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
}

#define CS4231_PRIVATE( left, right, shift, mute ) \
			((left << 24)|(right << 16)|(shift<<8)|mute)

static int __init snd_gusmax_mixer(cs4231_t *chip)
{
	snd_card_t *card = chip->card;
	snd_ctl_elem_id_t id1, id2;
	int err;
	
	memset(&id1, 0, sizeof(id1));
	memset(&id2, 0, sizeof(id2));
	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	/* reassign AUXA to SYNTHESIZER */
	strcpy(id1.name, "Aux Playback Switch");
	strcpy(id2.name, "Synth Playback Switch");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	strcpy(id1.name, "Aux Playback Volume");
	strcpy(id2.name, "Synth Playback Volume");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	/* reassign AUXB to CD */
	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	strcpy(id2.name, "CD Playback Switch");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
	strcpy(id1.name, "Aux Playback Volume");
	strcpy(id2.name, "CD Playback Volume");
	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
		return err;
#if 0
	/* reassign Mono Input to MIC */
	if (snd_mixer_group_rename(mixer,
				SNDRV_MIXER_IN_MONO, 0,
				SNDRV_MIXER_IN_MIC, 0) < 0)
		goto __error;
	if (snd_mixer_elem_rename(mixer,
				SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
				SNDRV_MIXER_IN_MIC, 0) < 0)
		goto __error;
	if (snd_mixer_elem_rename(mixer,
				"Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
				"Mic Capture Volume", 0) < 0)
		goto __error;
	if (snd_mixer_elem_rename(mixer,
				"Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
				"Mic Capture Switch", 0) < 0)
		goto __error;
#endif
	return 0;
}

static void snd_gusmax_free(snd_card_t *card)
{
	struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
	
	if (maxcard == NULL)
		return;
	if (maxcard->irq >= 0)
		free_irq(maxcard->irq, (void *)maxcard);
}

static int __init snd_gusmax_probe(int dev)
{
	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
	int xirq, xdma1, xdma2, err;
	snd_card_t *card;
	snd_gus_card_t *gus = NULL;
	cs4231_t *cs4231;
	struct snd_gusmax *maxcard;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
			    sizeof(struct snd_gusmax));
	if (card == NULL)
		return -ENOMEM;
	card->private_free = snd_gusmax_free;
	maxcard = (struct snd_gusmax *)card->private_data;
	maxcard->card = card;
	maxcard->irq = -1;
	
	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 DMA1\n");
			err = -EBUSY;
			goto _err;
		}
	}
	xdma2 = dma2[dev];
	if (xdma2 == SNDRV_AUTO_DMA) {
		if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
			err = -EBUSY;
			goto _err;
		}
	}

	if ((err = snd_gus_create(card,
				  port[dev],
				  -xirq, xdma1, xdma2,
				  0, channels[dev],
				  pcm_channels[dev],
				  0, &gus)) < 0)
		goto _err;

	if ((err = snd_gusmax_detect(gus)) < 0)
		goto _err;

	maxcard->gus_status_reg = gus->gf1.reg_irqstat;
	maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
	snd_gusmax_init(dev, card, gus);
	if ((err = snd_gus_initialize(gus)) < 0)
		goto _err;

	if (!gus->max_flag) {
		snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
		err = -ENODEV;
		goto _err;
	}

	if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) {
		snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
		err = -EBUSY;
		goto _err;
	}
	maxcard->irq = xirq;
	
	if ((err = snd_cs4231_create(card,
				     gus->gf1.port + 0x10c, -1, xirq,
				     xdma2 < 0 ? xdma1 : xdma2, xdma1,
				     CS4231_HW_DETECT,
				     CS4231_HWSHARE_IRQ |
				     CS4231_HWSHARE_DMA1 |
				     CS4231_HWSHARE_DMA2,
				     &cs4231)) < 0)
		goto _err;

	if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
		goto _err;

	if ((err = snd_cs4231_mixer(cs4231)) < 0)
		goto _err;

	if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
		goto _err;

	if (pcm_channels[dev] > 0) {
		if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
			goto _err;
	}
	if ((err = snd_gusmax_mixer(cs4231)) < 0)
		goto _err;

	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
		goto _err;

	sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
	if (xdma2 >= 0)
		sprintf(card->longname + strlen(card->longname), "&%i", xdma2);

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

	if ((err = snd_card_register(card)) < 0)
		goto _err;
		
	maxcard->gus = gus;
	maxcard->cs4231 = cs4231;
	snd_gusmax_cards[dev] = card;
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
{
	static int dev;
	int res;

	for ( ; dev < SNDRV_CARDS; dev++) {
		if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
			continue;
		port[dev] = xport;
		res = snd_gusmax_probe(dev);
		if (res < 0)
			port[dev] = SNDRV_AUTO_PORT;
		return res;
	}
	return -ENODEV;
}

static int __init alsa_card_gusmax_init(void)
{
	static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
	int dev, cards, i;

	for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
		if (port[dev] == SNDRV_AUTO_PORT)
			continue;
		if (snd_gusmax_probe(dev) >= 0)
			cards++;
	}
	i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
	if (i > 0)
		cards += i;

	if (!cards) {
#ifdef MODULE
		printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
#endif
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_gusmax_exit(void)
{
	int idx;

	for (idx = 0; idx < SNDRV_CARDS; idx++)
		snd_card_free(snd_gusmax_cards[idx]);
}

module_init(alsa_card_gusmax_init)
module_exit(alsa_card_gusmax_exit)
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Driver for Gravis UltraSound MAX soundcard
	3	* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
	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
	22	#include <sound/driver.h>
	23	#include <asm/dma.h>
	24	#include <linux/init.h>
	25	#include <linux/delay.h>
	26	#include <linux/time.h>
	27	#include <linux/moduleparam.h>
	28	#include <sound/core.h>
	29	#include <sound/gus.h>
	30	#include <sound/cs4231.h>
	31	#define SNDRV_LEGACY_AUTO_PROBE
	32	#define SNDRV_LEGACY_FIND_FREE_IRQ
	33	#define SNDRV_LEGACY_FIND_FREE_DMA
	34	#include <sound/initval.h>
	35
	36	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	37	MODULE_DESCRIPTION("Gravis UltraSound MAX");
	38	MODULE_LICENSE("GPL");
	39	MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
	40
	41	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	42	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	43	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
	44	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
	45	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
	46	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	47	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	48	static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
	49	/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
	50	static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
	51	static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
	52
	53	module_param_array(index, int, NULL, 0444);
	54	MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
	55	module_param_array(id, charp, NULL, 0444);
	56	MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
	57	module_param_array(enable, bool, NULL, 0444);
	58	MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
	59	module_param_array(port, long, NULL, 0444);
	60	MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
	61	module_param_array(irq, int, NULL, 0444);
	62	MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
	63	module_param_array(dma1, int, NULL, 0444);
	64	MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
65	module_param_array(dma2, int, NULL, 0444);
66	MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
67	module_param_array(joystick_dac, int, NULL, 0444);
68	MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
69	module_param_array(channels, int, NULL, 0444);
70	MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
71	module_param_array(pcm_channels, int, NULL, 0444);
72	MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
73
74	struct snd_gusmax {
75	int irq;
76	snd_card_t *card;
77	snd_gus_card_t *gus;
78	cs4231_t *cs4231;
79	unsigned short gus_status_reg;
80	unsigned short pcm_status_reg;
81	};
82
83	static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
84
43bcd973	85	#define PFX "gusmax: "
1da177e4 LT	86
	87	static int __init snd_gusmax_detect(snd_gus_card_t * gus)
	88	{
43bcd973	89	unsigned char d;
1da177e4	90
43bcd973 TI	91	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
	92	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
	93	snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	94	return -ENODEV;
43bcd973	95	}
1da177e4 LT	96	udelay(160);
	97	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
	98	udelay(160);
43bcd973 TI	99	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
43bcd973 TI	100	snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	101	return -ENODEV;
43bcd973 TI	102	}
43bcd973 TI	103
1da177e4 LT	104	return 0;
	105	}
	106
	107	static irqreturn_t snd_gusmax_interrupt(int irq, void dev_id, struct pt_regs regs)
	108	{
	109	struct snd_gusmax maxcard = (struct snd_gusmax ) dev_id;
	110	int loop, max = 5;
	111	int handled = 0;
	112
	113	do {
	114	loop = 0;
	115	if (inb(maxcard->gus_status_reg)) {
	116	handled = 1;
	117	snd_gus_interrupt(irq, maxcard->gus, regs);
	118	loop++;
	119	}
	120	if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
	121	handled = 1;
	122	snd_cs4231_interrupt(irq, maxcard->cs4231, regs);
	123	loop++;
	124	}
	125	} while (loop && --max > 0);
	126	return IRQ_RETVAL(handled);
	127	}
	128
	129	static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus)
	130	{
	131	gus->equal_irq = 1;
	132	gus->codec_flag = 1;
	133	gus->joystick_dac = joystick_dac[dev];
	134	/* init control register */
	135	gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
	136	if (gus->gf1.dma1 > 3)
	137	gus->max_cntrl_val \|= 0x10;
	138	if (gus->gf1.dma2 > 3)
	139	gus->max_cntrl_val \|= 0x20;
	140	gus->max_cntrl_val \|= 0x40;
	141	outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
	142	}
	143
	144	#define CS4231_PRIVATE( left, right, shift, mute ) \
	145	((left << 24)\|(right << 16)\|(shift<<8)\|mute)
	146
	147	static int __init snd_gusmax_mixer(cs4231_t *chip)
	148	{
	149	snd_card_t *card = chip->card;
	150	snd_ctl_elem_id_t id1, id2;
	151	int err;
	152
	153	memset(&id1, 0, sizeof(id1));
	154	memset(&id2, 0, sizeof(id2));
	155	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	156	/* reassign AUXA to SYNTHESIZER */
	157	strcpy(id1.name, "Aux Playback Switch");
	158	strcpy(id2.name, "Synth Playback Switch");
	159	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	160	return err;
	161	strcpy(id1.name, "Aux Playback Volume");
	162	strcpy(id2.name, "Synth Playback Volume");
	163	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	164	return err;
	165	/* reassign AUXB to CD */
	166	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	167	strcpy(id2.name, "CD Playback Switch");
168	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
169	return err;
170	strcpy(id1.name, "Aux Playback Volume");
171	strcpy(id2.name, "CD Playback Volume");
172	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
173	return err;
174	#if 0
175	/* reassign Mono Input to MIC */
176	if (snd_mixer_group_rename(mixer,
177	SNDRV_MIXER_IN_MONO, 0,
178	SNDRV_MIXER_IN_MIC, 0) < 0)
179	goto __error;
180	if (snd_mixer_elem_rename(mixer,
181	SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
182	SNDRV_MIXER_IN_MIC, 0) < 0)
183	goto __error;
184	if (snd_mixer_elem_rename(mixer,
185	"Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
186	"Mic Capture Volume", 0) < 0)
187	goto __error;
188	if (snd_mixer_elem_rename(mixer,
189	"Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
190	"Mic Capture Switch", 0) < 0)
191	goto __error;
192	#endif
193	return 0;
194	}
195
196	static void snd_gusmax_free(snd_card_t *card)
197	{
198	struct snd_gusmax maxcard = (struct snd_gusmax )card->private_data;
199
200	if (maxcard == NULL)
201	return;
202	if (maxcard->irq >= 0)
203	free_irq(maxcard->irq, (void *)maxcard);
204	}
205
206	static int __init snd_gusmax_probe(int dev)
207	{
208	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
209	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
210	int xirq, xdma1, xdma2, err;
211	snd_card_t *card;
212	snd_gus_card_t *gus = NULL;
213	cs4231_t *cs4231;
214	struct snd_gusmax *maxcard;
215
216	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
217	sizeof(struct snd_gusmax));
218	if (card == NULL)
219	return -ENOMEM;
220	card->private_free = snd_gusmax_free;
221	maxcard = (struct snd_gusmax *)card->private_data;
222	maxcard->card = card;
223	maxcard->irq = -1;
224
225	xirq = irq[dev];
226	if (xirq == SNDRV_AUTO_IRQ) {
227	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
43bcd973 TI	228	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	229	err = -EBUSY;
	230	goto _err;
1da177e4 LT	231	}
	232	}
	233	xdma1 = dma1[dev];
	234	if (xdma1 == SNDRV_AUTO_DMA) {
	235	if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	236	snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
	237	err = -EBUSY;
	238	goto _err;
1da177e4 LT	239	}
	240	}
	241	xdma2 = dma2[dev];
	242	if (xdma2 == SNDRV_AUTO_DMA) {
	243	if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	244	snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
	245	err = -EBUSY;
	246	goto _err;
1da177e4 LT	247	}
	248	}
	249
	250	if ((err = snd_gus_create(card,
	251	port[dev],
	252	-xirq, xdma1, xdma2,
	253	0, channels[dev],
	254	pcm_channels[dev],
43bcd973 TI	255	0, &gus)) < 0)
	256	goto _err;
	257
	258	if ((err = snd_gusmax_detect(gus)) < 0)
	259	goto _err;
	260
1da177e4 LT	261	maxcard->gus_status_reg = gus->gf1.reg_irqstat;
	262	maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
	263	snd_gusmax_init(dev, card, gus);
43bcd973 TI	264	if ((err = snd_gus_initialize(gus)) < 0)
	265	goto _err;
	266
1da177e4	267	if (!gus->max_flag) {
43bcd973 TI	268	snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
	269	err = -ENODEV;
	270	goto _err;
1da177e4 LT	271	}
	272
	273	if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) {
43bcd973 TI	274	snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
	275	err = -EBUSY;
	276	goto _err;
1da177e4 LT	277	}
	278	maxcard->irq = xirq;
	279
	280	if ((err = snd_cs4231_create(card,
	281	gus->gf1.port + 0x10c, -1, xirq,
	282	xdma2 < 0 ? xdma1 : xdma2, xdma1,
	283	CS4231_HW_DETECT,
	284	CS4231_HWSHARE_IRQ \|
	285	CS4231_HWSHARE_DMA1 \|
	286	CS4231_HWSHARE_DMA2,
43bcd973 TI	287	&cs4231)) < 0)
	288	goto _err;
	289
	290	if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
	291	goto _err;
	292
	293	if ((err = snd_cs4231_mixer(cs4231)) < 0)
	294	goto _err;
	295
	296	if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
	297	goto _err;
	298
1da177e4	299	if (pcm_channels[dev] > 0) {
43bcd973 TI	300	if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
43bcd973 TI	301	goto _err;
1da177e4	302	}
43bcd973 TI	303	if ((err = snd_gusmax_mixer(cs4231)) < 0)
43bcd973 TI	304	goto _err;
1da177e4	305
43bcd973 TI	306	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
43bcd973 TI	307	goto _err;
1da177e4 LT	308
	309	sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
	310	if (xdma2 >= 0)
	311	sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
43bcd973 TI	312
	313	if ((err = snd_card_set_generic_dev(card)) < 0)
	314	goto _err;
	315
	316	if ((err = snd_card_register(card)) < 0)
	317	goto _err;
1da177e4 LT	318
	319	maxcard->gus = gus;
	320	maxcard->cs4231 = cs4231;
	321	snd_gusmax_cards[dev] = card;
	322	return 0;
43bcd973 TI	323
	324	_err:
	325	snd_card_free(card);
	326	return err;
1da177e4 LT	327	}
	328
	329	static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
	330	{
	331	static int dev;
	332	int res;
	333
	334	for ( ; dev < SNDRV_CARDS; dev++) {
	335	if (!enable[dev] \|\| port[dev] != SNDRV_AUTO_PORT)
	336	continue;
	337	port[dev] = xport;
	338	res = snd_gusmax_probe(dev);
	339	if (res < 0)
	340	port[dev] = SNDRV_AUTO_PORT;
	341	return res;
	342	}
	343	return -ENODEV;
	344	}
	345
	346	static int __init alsa_card_gusmax_init(void)
	347	{
	348	static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
	349	int dev, cards, i;
	350
	351	for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
	352	if (port[dev] == SNDRV_AUTO_PORT)
	353	continue;
	354	if (snd_gusmax_probe(dev) >= 0)
	355	cards++;
	356	}
	357	i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
	358	if (i > 0)
	359	cards += i;
	360
	361	if (!cards) {
	362	#ifdef MODULE
	363	printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
	364	#endif
	365	return -ENODEV;
	366	}
	367	return 0;
	368	}
	369
	370	static void __exit alsa_card_gusmax_exit(void)
	371	{
	372	int idx;
	373
	374	for (idx = 0; idx < SNDRV_CARDS; idx++)
	375	snd_card_free(snd_gusmax_cards[idx]);
	376	}
	377
	378	module_init(alsa_card_gusmax_init)
	379	module_exit(alsa_card_gusmax_exit)