[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / isa / gus / gusclassic.c

/*
 *  Driver for Gravis UltraSound Classic 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 <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/module.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/gus.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

#define CRD_NAME "Gravis UltraSound Classic"
#define DEV_NAME "gusclassic"

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

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static bool 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;	/* 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 " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " 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 " CRD_NAME " driver.");
module_param_array(channels, int, NULL, 0444);
MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");

static int __devinit snd_gusclassic_match(struct device *dev, unsigned int n)
{
	return enable[n];
}

static int __devinit snd_gusclassic_create(struct snd_card *card,
		struct device *dev, unsigned int n, struct snd_gus_card **rgus)
{
	static long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};

	int i, error;

	if (irq[n] == SNDRV_AUTO_IRQ) {
		irq[n] = snd_legacy_find_free_irq(possible_irqs);
		if (irq[n] < 0) {
			dev_err(dev, "unable to find a free IRQ\n");
			return -EBUSY;
		}
	}
	if (dma1[n] == SNDRV_AUTO_DMA) {
		dma1[n] = snd_legacy_find_free_dma(possible_dmas);
		if (dma1[n] < 0) {
			dev_err(dev, "unable to find a free DMA1\n");
			return -EBUSY;
		}
	}
	if (dma2[n] == SNDRV_AUTO_DMA) {
		dma2[n] = snd_legacy_find_free_dma(possible_dmas);
		if (dma2[n] < 0) {
			dev_err(dev, "unable to find a free DMA2\n");
			return -EBUSY;
		}
	}

	if (port[n] != SNDRV_AUTO_PORT)
		return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
				0, channels[n], pcm_channels[n], 0, rgus);

	i = 0;
	do {
		port[n] = possible_ports[i];
		error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
				0, channels[n], pcm_channels[n], 0, rgus);
	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));

	return error;
}

static int __devinit snd_gusclassic_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 int __devinit snd_gusclassic_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_gus_card *gus;
	int error;

	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
	if (error < 0)
		return error;

	if (pcm_channels[n] < 2)
		pcm_channels[n] = 2;

	error = snd_gusclassic_create(card, dev, n, &gus);
	if (error < 0)
		goto out;

	error = snd_gusclassic_detect(gus);
	if (error < 0)
		goto out;

	gus->joystick_dac = joystick_dac[n];

	error = snd_gus_initialize(gus);
	if (error < 0)
		goto out;

	error = -ENODEV;
	if (gus->max_flag || gus->ess_flag) {
		dev_err(dev, "GUS Classic or ACE soundcard was "
			"not detected at 0x%lx\n", gus->gf1.port);
		goto out;
	}

	error = snd_gf1_new_mixer(gus);
	if (error < 0)
		goto out;

	error = snd_gf1_pcm_new(gus, 0, 0, NULL);
	if (error < 0)
		goto out;

	if (!gus->ace_flag) {
		error = snd_gf1_rawmidi_new(gus, 0, NULL);
		if (error < 0)
			goto out;
	}

	sprintf(card->longname + strlen(card->longname),
		" at 0x%lx, irq %d, dma %d",
		gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);

	if (gus->gf1.dma2 >= 0)
		sprintf(card->longname + strlen(card->longname),
			"&%d", gus->gf1.dma2);

	snd_card_set_dev(card, dev);

	error = snd_card_register(card);
	if (error < 0)
		goto out;

	dev_set_drvdata(dev, card);
	return 0;

out:	snd_card_free(card);
	return error;
}

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

static struct isa_driver snd_gusclassic_driver = {
	.match		= snd_gusclassic_match,
	.probe		= snd_gusclassic_probe,
	.remove		= __devexit_p(snd_gusclassic_remove),
#if 0	/* FIXME */
	.suspend	= snd_gusclassic_suspend,
	.remove		= snd_gusclassic_remove,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

static int __init alsa_card_gusclassic_init(void)
{
	return isa_register_driver(&snd_gusclassic_driver, SNDRV_CARDS);
}

static void __exit alsa_card_gusclassic_exit(void)
{
	isa_unregister_driver(&snd_gusclassic_driver);
}

module_init(alsa_card_gusclassic_init);
module_exit(alsa_card_gusclassic_exit);
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Driver for Gravis UltraSound Classic 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
1da177e4	22	#include <linux/init.h>
654aa661	23	#include <linux/err.h>
93f02c6e	24	#include <linux/isa.h>
1da177e4 LT	25	#include <linux/delay.h>
1da177e4 LT	26	#include <linux/time.h>
65a77217	27	#include <linux/module.h>
654aa661	28	#include <asm/dma.h>
1da177e4 LT	29	#include <sound/core.h>
1da177e4 LT	30	#include <sound/gus.h>
1da177e4 LT	31	#define SNDRV_LEGACY_FIND_FREE_IRQ
	32	#define SNDRV_LEGACY_FIND_FREE_DMA
	33	#include <sound/initval.h>
	34
93f02c6e RH	35	#define CRD_NAME "Gravis UltraSound Classic"
	36	#define DEV_NAME "gusclassic"
	37
	38	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	39	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	40	MODULE_LICENSE("GPL");
	41	MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");
	42
	43	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	44	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a67ff6a5	45	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4 LT	46	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
	47	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */
	48	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	49	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	50	static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
	51	/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
	52	static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
	53	static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
	54
	55	module_param_array(index, int, NULL, 0444);
93f02c6e	56	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	57	module_param_array(id, charp, NULL, 0444);
93f02c6e	58	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	59	module_param_array(enable, bool, NULL, 0444);
93f02c6e	60	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
1da177e4	61	module_param_array(port, long, NULL, 0444);
93f02c6e	62	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
1da177e4	63	module_param_array(irq, int, NULL, 0444);
93f02c6e	64	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
1da177e4	65	module_param_array(dma1, int, NULL, 0444);
93f02c6e	66	MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
1da177e4	67	module_param_array(dma2, int, NULL, 0444);
93f02c6e	68	MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver.");
1da177e4	69	module_param_array(joystick_dac, int, NULL, 0444);
93f02c6e	70	MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
1da177e4	71	module_param_array(channels, int, NULL, 0444);
93f02c6e	72	MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
1da177e4	73	module_param_array(pcm_channels, int, NULL, 0444);
93f02c6e RH	74	MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");
	75
	76	static int __devinit snd_gusclassic_match(struct device *dev, unsigned int n)
	77	{
	78	return enable[n];
	79	}
	80
	81	static int __devinit snd_gusclassic_create(struct snd_card *card,
	82	struct device dev, unsigned int n, struct snd_gus_card *rgus)
	83	{
	84	static long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260};
	85	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
	86	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
	87
	88	int i, error;
	89
	90	if (irq[n] == SNDRV_AUTO_IRQ) {
	91	irq[n] = snd_legacy_find_free_irq(possible_irqs);
	92	if (irq[n] < 0) {
0418ff0c	93	dev_err(dev, "unable to find a free IRQ\n");
93f02c6e RH	94	return -EBUSY;
	95	}
	96	}
	97	if (dma1[n] == SNDRV_AUTO_DMA) {
	98	dma1[n] = snd_legacy_find_free_dma(possible_dmas);
	99	if (dma1[n] < 0) {
0418ff0c	100	dev_err(dev, "unable to find a free DMA1\n");
93f02c6e RH	101	return -EBUSY;
	102	}
	103	}
	104	if (dma2[n] == SNDRV_AUTO_DMA) {
	105	dma2[n] = snd_legacy_find_free_dma(possible_dmas);
	106	if (dma2[n] < 0) {
0418ff0c	107	dev_err(dev, "unable to find a free DMA2\n");
93f02c6e RH	108	return -EBUSY;
	109	}
	110	}
1da177e4	111
93f02c6e RH	112	if (port[n] != SNDRV_AUTO_PORT)
	113	return snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
	114	0, channels[n], pcm_channels[n], 0, rgus);
f7a9275d	115
93f02c6e RH	116	i = 0;
	117	do {
	118	port[n] = possible_ports[i];
	119	error = snd_gus_create(card, port[n], irq[n], dma1[n], dma2[n],
	120	0, channels[n], pcm_channels[n], 0, rgus);
	121	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
1da177e4	122
93f02c6e RH	123	return error;
93f02c6e RH	124	}
1da177e4	125
93f02c6e	126	static int __devinit snd_gusclassic_detect(struct snd_gus_card *gus)
1da177e4	127	{
43bcd973	128	unsigned char d;
1da177e4	129
43bcd973 TI	130	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
	131	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
	132	snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	133	return -ENODEV;
43bcd973	134	}
1da177e4 LT	135	udelay(160);
	136	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
	137	udelay(160);
43bcd973 TI	138	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
43bcd973 TI	139	snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
1da177e4	140	return -ENODEV;
43bcd973	141	}
1da177e4 LT	142	return 0;
	143	}
	144
93f02c6e	145	static int __devinit snd_gusclassic_probe(struct device *dev, unsigned int n)
1da177e4	146	{
5e2da206	147	struct snd_card *card;
93f02c6e RH	148	struct snd_gus_card *gus;
93f02c6e RH	149	int error;
1da177e4	150
c95eadd2 TI	151	error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
	152	if (error < 0)
	153	return error;
43bcd973	154
93f02c6e RH	155	if (pcm_channels[n] < 2)
93f02c6e RH	156	pcm_channels[n] = 2;
43bcd973	157
93f02c6e RH	158	error = snd_gusclassic_create(card, dev, n, &gus);
	159	if (error < 0)
	160	goto out;
43bcd973	161
93f02c6e RH	162	error = snd_gusclassic_detect(gus);
	163	if (error < 0)
	164	goto out;
	165
	166	gus->joystick_dac = joystick_dac[n];
	167
	168	error = snd_gus_initialize(gus);
	169	if (error < 0)
	170	goto out;
	171
	172	error = -ENODEV;
1da177e4	173	if (gus->max_flag \|\| gus->ess_flag) {
0418ff0c TI	174	dev_err(dev, "GUS Classic or ACE soundcard was "
0418ff0c TI	175	"not detected at 0x%lx\n", gus->gf1.port);
93f02c6e	176	goto out;
1da177e4	177	}
43bcd973	178
93f02c6e RH	179	error = snd_gf1_new_mixer(gus);
	180	if (error < 0)
	181	goto out;
43bcd973	182
93f02c6e RH	183	error = snd_gf1_pcm_new(gus, 0, 0, NULL);
	184	if (error < 0)
	185	goto out;
43bcd973	186
1da177e4	187	if (!gus->ace_flag) {
93f02c6e RH	188	error = snd_gf1_rawmidi_new(gus, 0, NULL);
	189	if (error < 0)
	190	goto out;
1da177e4	191	}
43bcd973	192
93f02c6e RH	193	sprintf(card->longname + strlen(card->longname),
	194	" at 0x%lx, irq %d, dma %d",
	195	gus->gf1.port, gus->gf1.irq, gus->gf1.dma1);
43bcd973	196
93f02c6e RH	197	if (gus->gf1.dma2 >= 0)
	198	sprintf(card->longname + strlen(card->longname),
	199	"&%d", gus->gf1.dma2);
43bcd973	200
93f02c6e RH	201	snd_card_set_dev(card, dev);
	202
	203	error = snd_card_register(card);
	204	if (error < 0)
	205	goto out;
	206
	207	dev_set_drvdata(dev, card);
1da177e4	208	return 0;
43bcd973	209
93f02c6e RH	210	out: snd_card_free(card);
93f02c6e RH	211	return error;
1da177e4 LT	212	}
1da177e4 LT	213
93f02c6e	214	static int __devexit snd_gusclassic_remove(struct device *dev, unsigned int n)
1da177e4	215	{
93f02c6e RH	216	snd_card_free(dev_get_drvdata(dev));
93f02c6e RH	217	dev_set_drvdata(dev, NULL);
654aa661	218	return 0;
1da177e4 LT	219	}
1da177e4 LT	220
93f02c6e RH	221	static struct isa_driver snd_gusclassic_driver = {
93f02c6e RH	222	.match = snd_gusclassic_match,
654aa661	223	.probe = snd_gusclassic_probe,
788c6043	224	.remove = __devexit_p(snd_gusclassic_remove),
93f02c6e RH	225	#if 0 /* FIXME */
	226	.suspend = snd_gusclassic_suspend,
	227	.remove = snd_gusclassic_remove,
	228	#endif
654aa661	229	.driver = {
93f02c6e RH	230	.name = DEV_NAME
93f02c6e RH	231	}
654aa661 TI	232	};
654aa661 TI	233
1da177e4 LT	234	static int __init alsa_card_gusclassic_init(void)
1da177e4 LT	235	{
93f02c6e	236	return isa_register_driver(&snd_gusclassic_driver, SNDRV_CARDS);
1da177e4 LT	237	}
	238
	239	static void __exit alsa_card_gusclassic_exit(void)
	240	{
93f02c6e	241	isa_unregister_driver(&snd_gusclassic_driver);
1da177e4 LT	242	}
1da177e4 LT	243
93f02c6e RH	244	module_init(alsa_card_gusclassic_init);
93f02c6e RH	245	module_exit(alsa_card_gusclassic_exit);