[net-next-2.6.git] / sound / isa / gus / gusmax.c

/*
 *  Driver for Gravis UltraSound MAX soundcard
 *  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 <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/moduleparam.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/gus.h>
#include <sound/cs4231.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.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;
	struct snd_card *card;
	struct snd_gus_card *gus;
	struct snd_cs4231 *cs4231;
	unsigned short gus_status_reg;
	unsigned short pcm_status_reg;
};

#define PFX	"gusmax: "

static int __devinit snd_gusmax_detect(struct snd_gus_card * 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 snd_gusmax *maxcard = 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);
			loop++;
		}
		if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
			handled = 1;
			snd_cs4231_interrupt(irq, maxcard->cs4231);
			loop++;
		}
	} while (loop && --max > 0);
	return IRQ_RETVAL(handled);
}

static void __devinit snd_gusmax_init(int dev, struct snd_card *card,
				      struct snd_gus_card * 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 __devinit snd_gusmax_mixer(struct snd_cs4231 *chip)
{
	struct snd_card *card = chip->card;
	struct snd_ctl_elem_id 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(struct snd_card *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 __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
{
	return enable[dev];
}

static int __devinit snd_gusmax_probe(struct device *pdev, unsigned 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;
	struct snd_card *card;
	struct snd_gus_card *gus = NULL;
	struct snd_cs4231 *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 (port[dev] != SNDRV_AUTO_PORT) {
		err = snd_gus_create(card,
				     port[dev],
				     -xirq, xdma1, xdma2,
				     0, channels[dev],
				     pcm_channels[dev],
				     0, &gus);
	} else {
		static unsigned long possible_ports[] = {
			0x220, 0x230, 0x240, 0x250, 0x260
		};
		int i;
		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
			err = snd_gus_create(card,
					     possible_ports[i],
					     -xirq, xdma1, xdma2,
					     0, channels[dev],
					     pcm_channels[dev],
					     0, &gus);
			if (err >= 0) {
				port[dev] = possible_ports[i];
				break;
			}
		}
	}
	if (err < 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, IRQF_DISABLED, "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);

	snd_card_set_dev(card, pdev);

	if ((err = snd_card_register(card)) < 0)
		goto _err;
		
	maxcard->gus = gus;
	maxcard->cs4231 = cs4231;

	dev_set_drvdata(pdev, card);
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

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

#define DEV_NAME "gusmax"

static struct isa_driver snd_gusmax_driver = {
	.match		= snd_gusmax_match,
	.probe		= snd_gusmax_probe,
	.remove		= __devexit_p(snd_gusmax_remove),
	/* FIXME: suspend/resume */
	.driver		= {
		.name	= DEV_NAME
	},
};

static int __init alsa_card_gusmax_init(void)
{
	return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
}

static void __exit alsa_card_gusmax_exit(void)
{
	isa_unregister_driver(&snd_gusmax_driver);
}

module_init(alsa_card_gusmax_init)
module_exit(alsa_card_gusmax_exit)
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Driver for Gravis UltraSound MAX soundcard
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
	22	#include <sound/driver.h>
1da177e4	23	#include <linux/init.h>
654aa661	24	#include <linux/err.h>
5e24c1c1	25	#include <linux/isa.h>
1da177e4 LT	26	#include <linux/delay.h>
	27	#include <linux/time.h>
	28	#include <linux/moduleparam.h>
654aa661	29	#include <asm/dma.h>
1da177e4 LT	30	#include <sound/core.h>
	31	#include <sound/gus.h>
	32	#include <sound/cs4231.h>
1da177e4 LT	33	#define SNDRV_LEGACY_FIND_FREE_IRQ
	34	#define SNDRV_LEGACY_FIND_FREE_DMA
	35	#include <sound/initval.h>
	36
c1017a4c	37	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	38	MODULE_DESCRIPTION("Gravis UltraSound MAX");
	39	MODULE_LICENSE("GPL");
	40	MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
	41
	42	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	43	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	44	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
	45	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
	46	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
	47	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	48	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	49	static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
	50	/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
	51	static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
	52	static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
	53
	54	module_param_array(index, int, NULL, 0444);
	55	MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
	56	module_param_array(id, charp, NULL, 0444);
	57	MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
	58	module_param_array(enable, bool, NULL, 0444);
	59	MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
	60	module_param_array(port, long, NULL, 0444);
	61	MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
	62	module_param_array(irq, int, NULL, 0444);
	63	MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
	64	module_param_array(dma1, int, NULL, 0444);
	65	MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
	66	module_param_array(dma2, int, NULL, 0444);
	67	MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
	68	module_param_array(joystick_dac, int, NULL, 0444);
	69	MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
	70	module_param_array(channels, int, NULL, 0444);
	71	MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
	72	module_param_array(pcm_channels, int, NULL, 0444);
	73	MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
	74
	75	struct snd_gusmax {
	76	int irq;
5e2da206 TI	77	struct snd_card *card;
	78	struct snd_gus_card *gus;
	79	struct snd_cs4231 *cs4231;
1da177e4 LT	80	unsigned short gus_status_reg;
	81	unsigned short pcm_status_reg;
	82	};
	83
43bcd973	84	#define PFX "gusmax: "
1da177e4	85
788c6043	86	static int __devinit snd_gusmax_detect(struct snd_gus_card * gus)
1da177e4	87	{
43bcd973	88	unsigned char d;
1da177e4	89
43bcd973 TI	90	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
	91	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
	92	snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	93	return -ENODEV;
43bcd973	94	}
1da177e4 LT	95	udelay(160);
	96	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
	97	udelay(160);
43bcd973 TI	98	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
43bcd973 TI	99	snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	100	return -ENODEV;
43bcd973 TI	101	}
43bcd973 TI	102
1da177e4 LT	103	return 0;
	104	}
	105
7d12e780	106	static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
1da177e4	107	{
c7bec5ab	108	struct snd_gusmax *maxcard = dev_id;
1da177e4 LT	109	int loop, max = 5;
	110	int handled = 0;
	111
	112	do {
	113	loop = 0;
	114	if (inb(maxcard->gus_status_reg)) {
	115	handled = 1;
7d12e780	116	snd_gus_interrupt(irq, maxcard->gus);
1da177e4 LT	117	loop++;
	118	}
	119	if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
	120	handled = 1;
7d12e780	121	snd_cs4231_interrupt(irq, maxcard->cs4231);
1da177e4 LT	122	loop++;
	123	}
	124	} while (loop && --max > 0);
	125	return IRQ_RETVAL(handled);
	126	}
	127
788c6043 PB	128	static void __devinit snd_gusmax_init(int dev, struct snd_card *card,
788c6043 PB	129	struct snd_gus_card * gus)
1da177e4 LT	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
788c6043	147	static int __devinit snd_gusmax_mixer(struct snd_cs4231 *chip)
1da177e4	148	{
5e2da206 TI	149	struct snd_card *card = chip->card;
5e2da206 TI	150	struct snd_ctl_elem_id id1, id2;
1da177e4 LT	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
5e2da206	196	static void snd_gusmax_free(struct snd_card *card)
1da177e4 LT	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
5e24c1c1 TI	206	static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
	207	{
	208	return enable[dev];
	209	}
	210
	211	static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev)
1da177e4 LT	212	{
	213	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
	214	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
	215	int xirq, xdma1, xdma2, err;
5e2da206 TI	216	struct snd_card *card;
	217	struct snd_gus_card *gus = NULL;
	218	struct snd_cs4231 *cs4231;
1da177e4 LT	219	struct snd_gusmax *maxcard;
	220
	221	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
	222	sizeof(struct snd_gusmax));
	223	if (card == NULL)
	224	return -ENOMEM;
	225	card->private_free = snd_gusmax_free;
	226	maxcard = (struct snd_gusmax *)card->private_data;
	227	maxcard->card = card;
	228	maxcard->irq = -1;
	229
	230	xirq = irq[dev];
	231	if (xirq == SNDRV_AUTO_IRQ) {
	232	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
43bcd973 TI	233	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	234	err = -EBUSY;
	235	goto _err;
1da177e4 LT	236	}
	237	}
	238	xdma1 = dma1[dev];
	239	if (xdma1 == SNDRV_AUTO_DMA) {
	240	if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	241	snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
	242	err = -EBUSY;
	243	goto _err;
1da177e4 LT	244	}
	245	}
	246	xdma2 = dma2[dev];
	247	if (xdma2 == SNDRV_AUTO_DMA) {
	248	if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	249	snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
	250	err = -EBUSY;
	251	goto _err;
1da177e4 LT	252	}
	253	}
	254
654aa661 TI	255	if (port[dev] != SNDRV_AUTO_PORT) {
	256	err = snd_gus_create(card,
	257	port[dev],
	258	-xirq, xdma1, xdma2,
	259	0, channels[dev],
	260	pcm_channels[dev],
	261	0, &gus);
	262	} else {
	263	static unsigned long possible_ports[] = {
	264	0x220, 0x230, 0x240, 0x250, 0x260
	265	};
	266	int i;
	267	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	268	err = snd_gus_create(card,
	269	possible_ports[i],
	270	-xirq, xdma1, xdma2,
	271	0, channels[dev],
	272	pcm_channels[dev],
	273	0, &gus);
	274	if (err >= 0) {
	275	port[dev] = possible_ports[i];
	276	break;
	277	}
	278	}
	279	}
	280	if (err < 0)
43bcd973 TI	281	goto _err;
	282
	283	if ((err = snd_gusmax_detect(gus)) < 0)
	284	goto _err;
	285
1da177e4 LT	286	maxcard->gus_status_reg = gus->gf1.reg_irqstat;
	287	maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
	288	snd_gusmax_init(dev, card, gus);
43bcd973 TI	289	if ((err = snd_gus_initialize(gus)) < 0)
	290	goto _err;
	291
1da177e4	292	if (!gus->max_flag) {
43bcd973 TI	293	snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
	294	err = -ENODEV;
	295	goto _err;
1da177e4 LT	296	}
1da177e4 LT	297
65ca68b3	298	if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) {
43bcd973 TI	299	snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
	300	err = -EBUSY;
	301	goto _err;
1da177e4 LT	302	}
	303	maxcard->irq = xirq;
	304
	305	if ((err = snd_cs4231_create(card,
	306	gus->gf1.port + 0x10c, -1, xirq,
	307	xdma2 < 0 ? xdma1 : xdma2, xdma1,
	308	CS4231_HW_DETECT,
	309	CS4231_HWSHARE_IRQ \|
	310	CS4231_HWSHARE_DMA1 \|
	311	CS4231_HWSHARE_DMA2,
43bcd973 TI	312	&cs4231)) < 0)
	313	goto _err;
	314
	315	if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
	316	goto _err;
	317
	318	if ((err = snd_cs4231_mixer(cs4231)) < 0)
	319	goto _err;
	320
	321	if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
	322	goto _err;
	323
1da177e4	324	if (pcm_channels[dev] > 0) {
43bcd973 TI	325	if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
43bcd973 TI	326	goto _err;
1da177e4	327	}
43bcd973 TI	328	if ((err = snd_gusmax_mixer(cs4231)) < 0)
43bcd973 TI	329	goto _err;
1da177e4	330
43bcd973 TI	331	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
43bcd973 TI	332	goto _err;
1da177e4 LT	333
	334	sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
	335	if (xdma2 >= 0)
	336	sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
43bcd973	337
5e24c1c1	338	snd_card_set_dev(card, pdev);
43bcd973 TI	339
	340	if ((err = snd_card_register(card)) < 0)
	341	goto _err;
1da177e4 LT	342
	343	maxcard->gus = gus;
	344	maxcard->cs4231 = cs4231;
654aa661	345
5e24c1c1	346	dev_set_drvdata(pdev, card);
1da177e4	347	return 0;
43bcd973 TI	348
	349	_err:
	350	snd_card_free(card);
	351	return err;
1da177e4 LT	352	}
1da177e4 LT	353
5e24c1c1	354	static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev)
1da177e4	355	{
5e24c1c1 TI	356	snd_card_free(dev_get_drvdata(devptr));
5e24c1c1 TI	357	dev_set_drvdata(devptr, NULL);
654aa661	358	return 0;
1da177e4 LT	359	}
1da177e4 LT	360
83c51c0a	361	#define DEV_NAME "gusmax"
654aa661	362
5e24c1c1 TI	363	static struct isa_driver snd_gusmax_driver = {
5e24c1c1 TI	364	.match = snd_gusmax_match,
654aa661	365	.probe = snd_gusmax_probe,
788c6043	366	.remove = __devexit_p(snd_gusmax_remove),
654aa661 TI	367	/* FIXME: suspend/resume */
654aa661 TI	368	.driver = {
83c51c0a	369	.name = DEV_NAME
654aa661 TI	370	},
	371	};
	372
1da177e4 LT	373	static int __init alsa_card_gusmax_init(void)
1da177e4 LT	374	{
5e24c1c1	375	return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
1da177e4 LT	376	}
	377
	378	static void __exit alsa_card_gusmax_exit(void)
	379	{
5e24c1c1	380	isa_unregister_driver(&snd_gusmax_driver);
1da177e4 LT	381	}
	382
	383	module_init(alsa_card_gusmax_init)
	384	module_exit(alsa_card_gusmax_exit)