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DEFINITIONS
This source file includes following definitions.
- snd_es1688_match
- snd_es1688_legacy_create
- snd_es1688_probe
- snd_es1688_remove
- alsa_card_es1688_init
- alsa_card_es1688_exit
/*
* Driver for generic ESS AudioDrive ESx688 soundcards
* 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/time.h>
#include <linux/wait.h>
#include <linux/moduleparam.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/es1688.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>
#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
#define DEV_NAME "es1688"
MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
"{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
"{ESS,ES688 AudioDrive,pnp:ESS6881},"
"{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
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; /* 0x220,0x240,0x260 */
static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
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(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_array(dma8, int, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
{
return enable[n];
}
static int __devinit snd_es1688_legacy_create(struct snd_card *card,
struct device *dev, unsigned int n, struct snd_es1688 **rchip)
{
static long possible_ports[] = {0x220, 0x240, 0x260};
static int possible_irqs[] = {5, 9, 10, 7, -1};
static int possible_dmas[] = {1, 3, 0, -1};
int i, error;
if (irq[n] == SNDRV_AUTO_IRQ) {
irq[n] = snd_legacy_find_free_irq(possible_irqs);
if (irq[n] < 0) {
snd_printk(KERN_ERR "%s: unable to find a free IRQ\n",
dev->bus_id);
return -EBUSY;
}
}
if (dma8[n] == SNDRV_AUTO_DMA) {
dma8[n] = snd_legacy_find_free_dma(possible_dmas);
if (dma8[n] < 0) {
snd_printk(KERN_ERR "%s: unable to find a free DMA\n",
dev->bus_id);
return -EBUSY;
}
}
if (port[n] != SNDRV_AUTO_PORT)
return snd_es1688_create(card, port[n], mpu_port[n], irq[n],
mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
i = 0;
do {
port[n] = possible_ports[i];
error = snd_es1688_create(card, port[n], mpu_port[n], irq[n],
mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
return error;
}
static int __devinit snd_es1688_probe(struct device *dev, unsigned int n)
{
struct snd_card *card;
struct snd_es1688 *chip;
struct snd_opl3 *opl3;
struct snd_pcm *pcm;
int error;
card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
if (!card)
return -EINVAL;
error = snd_es1688_legacy_create(card, dev, n, &chip);
if (error < 0)
goto out;
error = snd_es1688_pcm(chip, 0, &pcm);
if (error < 0)
goto out;
error = snd_es1688_mixer(chip);
if (error < 0)
goto out;
strcpy(card->driver, "ES1688");
strcpy(card->shortname, pcm->name);
sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name,
chip->port, chip->irq, chip->dma8);
if (snd_opl3_create(card, chip->port, chip->port + 2,
OPL3_HW_OPL3, 0, &opl3) < 0)
printk(KERN_WARNING "%s: opl3 not detected at 0x%lx\n",
dev->bus_id, chip->port);
else {
error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
if (error < 0)
goto out;
}
if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
chip->mpu_port > 0) {
error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
chip->mpu_port, 0,
mpu_irq[n], IRQF_DISABLED, NULL);
if (error < 0)
goto out;
}
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_es1688_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_es1688_driver = {
.match = snd_es1688_match,
.probe = snd_es1688_probe,
.remove = snd_es1688_remove,
#if 0 /* FIXME */
.suspend = snd_es1688_suspend,
.resume = snd_es1688_resume,
#endif
.driver = {
.name = DEV_NAME
}
};
static int __init alsa_card_es1688_init(void)
{
return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
}
static void __exit alsa_card_es1688_exit(void)
{
isa_unregister_driver(&snd_es1688_driver);
}
module_init(alsa_card_es1688_init);
module_exit(alsa_card_es1688_exit);