[net-next-2.6.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 <linux/init.h>
#include <linux/err.h>
#include <linux/platform_device.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@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.");

static struct platform_device *devices[SNDRV_CARDS];

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_probe(struct platform_device *pdev)
{
	int dev = pdev->id;
	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->dev);

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

	platform_set_drvdata(pdev, card);
	return 0;

 _err:
	snd_card_free(card);
	return err;
}

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

#define GUSMAX_DRIVER	"snd_gusmax"

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

static void __init_or_module snd_gusmax_unregister_all(void)
{
	int i;

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

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

	err = platform_driver_register(&snd_gusmax_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(GUSMAX_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
		printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
#endif
		snd_gusmax_unregister_all();
		return -ENODEV;
	}
	return 0;
}

static void __exit alsa_card_gusmax_exit(void)
{
	snd_gusmax_unregister_all();
}

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>
1da177e4	23	#include <linux/init.h>
654aa661 TI	24	#include <linux/err.h>
654aa661 TI	25	#include <linux/platform_device.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
	37	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	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
f7a9275d CL	75	static struct platform_device *devices[SNDRV_CARDS];
f7a9275d CL	76
1da177e4 LT	77	struct snd_gusmax {
1da177e4 LT	78	int irq;
5e2da206 TI	79	struct snd_card *card;
	80	struct snd_gus_card *gus;
	81	struct snd_cs4231 *cs4231;
1da177e4 LT	82	unsigned short gus_status_reg;
	83	unsigned short pcm_status_reg;
	84	};
	85
43bcd973	86	#define PFX "gusmax: "
1da177e4	87
788c6043	88	static int __devinit snd_gusmax_detect(struct snd_gus_card * gus)
1da177e4	89	{
43bcd973	90	unsigned char d;
1da177e4	91
43bcd973 TI	92	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
	93	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
	94	snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	95	return -ENODEV;
43bcd973	96	}
1da177e4 LT	97	udelay(160);
	98	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
	99	udelay(160);
43bcd973 TI	100	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
43bcd973 TI	101	snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	102	return -ENODEV;
43bcd973 TI	103	}
43bcd973 TI	104
1da177e4 LT	105	return 0;
	106	}
	107
7d12e780	108	static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
1da177e4	109	{
c7bec5ab	110	struct snd_gusmax *maxcard = dev_id;
1da177e4 LT	111	int loop, max = 5;
	112	int handled = 0;
	113
	114	do {
	115	loop = 0;
	116	if (inb(maxcard->gus_status_reg)) {
	117	handled = 1;
7d12e780	118	snd_gus_interrupt(irq, maxcard->gus);
1da177e4 LT	119	loop++;
	120	}
	121	if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
	122	handled = 1;
7d12e780	123	snd_cs4231_interrupt(irq, maxcard->cs4231);
1da177e4 LT	124	loop++;
	125	}
	126	} while (loop && --max > 0);
	127	return IRQ_RETVAL(handled);
	128	}
	129
788c6043 PB	130	static void __devinit snd_gusmax_init(int dev, struct snd_card *card,
788c6043 PB	131	struct snd_gus_card * gus)
1da177e4 LT	132	{
	133	gus->equal_irq = 1;
	134	gus->codec_flag = 1;
	135	gus->joystick_dac = joystick_dac[dev];
	136	/* init control register */
	137	gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
	138	if (gus->gf1.dma1 > 3)
	139	gus->max_cntrl_val \|= 0x10;
	140	if (gus->gf1.dma2 > 3)
	141	gus->max_cntrl_val \|= 0x20;
	142	gus->max_cntrl_val \|= 0x40;
	143	outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
	144	}
	145
	146	#define CS4231_PRIVATE( left, right, shift, mute ) \
	147	((left << 24)\|(right << 16)\|(shift<<8)\|mute)
	148
788c6043	149	static int __devinit snd_gusmax_mixer(struct snd_cs4231 *chip)
1da177e4	150	{
5e2da206 TI	151	struct snd_card *card = chip->card;
5e2da206 TI	152	struct snd_ctl_elem_id id1, id2;
1da177e4 LT	153	int err;
	154
	155	memset(&id1, 0, sizeof(id1));
	156	memset(&id2, 0, sizeof(id2));
	157	id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	158	/* reassign AUXA to SYNTHESIZER */
	159	strcpy(id1.name, "Aux Playback Switch");
	160	strcpy(id2.name, "Synth Playback Switch");
	161	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	162	return err;
	163	strcpy(id1.name, "Aux Playback Volume");
	164	strcpy(id2.name, "Synth Playback Volume");
	165	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	166	return err;
	167	/* reassign AUXB to CD */
	168	strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
	169	strcpy(id2.name, "CD Playback Switch");
	170	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	171	return err;
	172	strcpy(id1.name, "Aux Playback Volume");
	173	strcpy(id2.name, "CD Playback Volume");
	174	if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
	175	return err;
	176	#if 0
	177	/* reassign Mono Input to MIC */
	178	if (snd_mixer_group_rename(mixer,
	179	SNDRV_MIXER_IN_MONO, 0,
	180	SNDRV_MIXER_IN_MIC, 0) < 0)
	181	goto __error;
	182	if (snd_mixer_elem_rename(mixer,
	183	SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
	184	SNDRV_MIXER_IN_MIC, 0) < 0)
	185	goto __error;
	186	if (snd_mixer_elem_rename(mixer,
	187	"Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
	188	"Mic Capture Volume", 0) < 0)
	189	goto __error;
	190	if (snd_mixer_elem_rename(mixer,
	191	"Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
	192	"Mic Capture Switch", 0) < 0)
	193	goto __error;
	194	#endif
	195	return 0;
	196	}
	197
5e2da206	198	static void snd_gusmax_free(struct snd_card *card)
1da177e4 LT	199	{
	200	struct snd_gusmax maxcard = (struct snd_gusmax )card->private_data;
	201
	202	if (maxcard == NULL)
	203	return;
	204	if (maxcard->irq >= 0)
	205	free_irq(maxcard->irq, (void *)maxcard);
	206	}
	207
788c6043	208	static int __devinit snd_gusmax_probe(struct platform_device *pdev)
1da177e4	209	{
654aa661	210	int dev = pdev->id;
1da177e4 LT	211	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
	212	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
	213	int xirq, xdma1, xdma2, err;
5e2da206 TI	214	struct snd_card *card;
	215	struct snd_gus_card *gus = NULL;
	216	struct snd_cs4231 *cs4231;
1da177e4 LT	217	struct snd_gusmax *maxcard;
	218
	219	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
	220	sizeof(struct snd_gusmax));
	221	if (card == NULL)
	222	return -ENOMEM;
	223	card->private_free = snd_gusmax_free;
	224	maxcard = (struct snd_gusmax *)card->private_data;
	225	maxcard->card = card;
	226	maxcard->irq = -1;
	227
	228	xirq = irq[dev];
	229	if (xirq == SNDRV_AUTO_IRQ) {
	230	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
43bcd973 TI	231	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	232	err = -EBUSY;
	233	goto _err;
1da177e4 LT	234	}
	235	}
	236	xdma1 = dma1[dev];
	237	if (xdma1 == SNDRV_AUTO_DMA) {
	238	if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	239	snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
	240	err = -EBUSY;
	241	goto _err;
1da177e4 LT	242	}
	243	}
	244	xdma2 = dma2[dev];
	245	if (xdma2 == SNDRV_AUTO_DMA) {
	246	if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
43bcd973 TI	247	snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
	248	err = -EBUSY;
	249	goto _err;
1da177e4 LT	250	}
	251	}
	252
654aa661 TI	253	if (port[dev] != SNDRV_AUTO_PORT) {
	254	err = snd_gus_create(card,
	255	port[dev],
	256	-xirq, xdma1, xdma2,
	257	0, channels[dev],
	258	pcm_channels[dev],
	259	0, &gus);
	260	} else {
	261	static unsigned long possible_ports[] = {
	262	0x220, 0x230, 0x240, 0x250, 0x260
	263	};
	264	int i;
	265	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	266	err = snd_gus_create(card,
	267	possible_ports[i],
	268	-xirq, xdma1, xdma2,
	269	0, channels[dev],
	270	pcm_channels[dev],
	271	0, &gus);
	272	if (err >= 0) {
	273	port[dev] = possible_ports[i];
	274	break;
	275	}
	276	}
	277	}
	278	if (err < 0)
43bcd973 TI	279	goto _err;
	280
	281	if ((err = snd_gusmax_detect(gus)) < 0)
	282	goto _err;
	283
1da177e4 LT	284	maxcard->gus_status_reg = gus->gf1.reg_irqstat;
	285	maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
	286	snd_gusmax_init(dev, card, gus);
43bcd973 TI	287	if ((err = snd_gus_initialize(gus)) < 0)
	288	goto _err;
	289
1da177e4	290	if (!gus->max_flag) {
43bcd973 TI	291	snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
	292	err = -ENODEV;
	293	goto _err;
1da177e4 LT	294	}
1da177e4 LT	295
65ca68b3	296	if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) {
43bcd973 TI	297	snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
	298	err = -EBUSY;
	299	goto _err;
1da177e4 LT	300	}
	301	maxcard->irq = xirq;
	302
	303	if ((err = snd_cs4231_create(card,
	304	gus->gf1.port + 0x10c, -1, xirq,
	305	xdma2 < 0 ? xdma1 : xdma2, xdma1,
	306	CS4231_HW_DETECT,
	307	CS4231_HWSHARE_IRQ \|
	308	CS4231_HWSHARE_DMA1 \|
	309	CS4231_HWSHARE_DMA2,
43bcd973 TI	310	&cs4231)) < 0)
	311	goto _err;
	312
	313	if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
	314	goto _err;
	315
	316	if ((err = snd_cs4231_mixer(cs4231)) < 0)
	317	goto _err;
	318
	319	if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
	320	goto _err;
	321
1da177e4	322	if (pcm_channels[dev] > 0) {
43bcd973 TI	323	if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
43bcd973 TI	324	goto _err;
1da177e4	325	}
43bcd973 TI	326	if ((err = snd_gusmax_mixer(cs4231)) < 0)
43bcd973 TI	327	goto _err;
1da177e4	328
43bcd973 TI	329	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
43bcd973 TI	330	goto _err;
1da177e4 LT	331
	332	sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
	333	if (xdma2 >= 0)
	334	sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
43bcd973	335
654aa661	336	snd_card_set_dev(card, &pdev->dev);
43bcd973 TI	337
	338	if ((err = snd_card_register(card)) < 0)
	339	goto _err;
1da177e4 LT	340
	341	maxcard->gus = gus;
	342	maxcard->cs4231 = cs4231;
654aa661 TI	343
654aa661 TI	344	platform_set_drvdata(pdev, card);
1da177e4	345	return 0;
43bcd973 TI	346
	347	_err:
	348	snd_card_free(card);
	349	return err;
1da177e4 LT	350	}
1da177e4 LT	351
788c6043	352	static int __devexit snd_gusmax_remove(struct platform_device *devptr)
1da177e4	353	{
654aa661 TI	354	snd_card_free(platform_get_drvdata(devptr));
	355	platform_set_drvdata(devptr, NULL);
	356	return 0;
1da177e4 LT	357	}
1da177e4 LT	358
654aa661 TI	359	#define GUSMAX_DRIVER "snd_gusmax"
	360
	361	static struct platform_driver snd_gusmax_driver = {
	362	.probe = snd_gusmax_probe,
788c6043	363	.remove = __devexit_p(snd_gusmax_remove),
654aa661 TI	364	/* FIXME: suspend/resume */
	365	.driver = {
	366	.name = GUSMAX_DRIVER
	367	},
	368	};
	369
f7a9275d CL	370	static void __init_or_module snd_gusmax_unregister_all(void)
	371	{
	372	int i;
	373
	374	for (i = 0; i < ARRAY_SIZE(devices); ++i)
	375	platform_device_unregister(devices[i]);
	376	platform_driver_unregister(&snd_gusmax_driver);
	377	}
	378
1da177e4 LT	379	static int __init alsa_card_gusmax_init(void)
1da177e4 LT	380	{
654aa661 TI	381	int i, cards, err;
	382
	383	err = platform_driver_register(&snd_gusmax_driver);
	384	if (err < 0)
	385	return err;
1da177e4	386
654aa661	387	cards = 0;
8278ca8f	388	for (i = 0; i < SNDRV_CARDS; i++) {
654aa661	389	struct platform_device *device;
8278ca8f TI	390	if (! enable[i])
8278ca8f TI	391	continue;
654aa661 TI	392	device = platform_device_register_simple(GUSMAX_DRIVER,
654aa661 TI	393	i, NULL, 0);
d0ac642d RH	394	if (IS_ERR(device))
d0ac642d RH	395	continue;
dcccdd93 RH	396	if (!platform_get_drvdata(device)) {
	397	platform_device_unregister(device);
	398	continue;
	399	}
f7a9275d	400	devices[i] = device;
654aa661 TI	401	cards++;
654aa661 TI	402	}
1da177e4 LT	403	if (!cards) {
	404	#ifdef MODULE
	405	printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
	406	#endif
d0ac642d RH	407	snd_gusmax_unregister_all();
d0ac642d RH	408	return -ENODEV;
1da177e4 LT	409	}
	410	return 0;
	411	}
	412
	413	static void __exit alsa_card_gusmax_exit(void)
	414	{
f7a9275d	415	snd_gusmax_unregister_all();
1da177e4 LT	416	}
	417
	418	module_init(alsa_card_gusmax_init)
	419	module_exit(alsa_card_gusmax_exit)