246 lines
7.2 KiB
C
246 lines
7.2 KiB
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/moduleparam.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 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; /* 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;
|
|
|
|
card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
|
|
if (!card)
|
|
return -EINVAL;
|
|
|
|
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);
|