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- /*
- * 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 fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
- 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_param_array(fm_port, long, NULL, 0444);
- MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
- 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) {
- dev_err(dev, "unable to find a free IRQ\n");
- return -EBUSY;
- }
- }
- if (dma8[n] == SNDRV_AUTO_DMA) {
- dma8[n] = snd_legacy_find_free_dma(possible_dmas);
- if (dma8[n] < 0) {
- dev_err(dev, "unable to find a free DMA\n");
- 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;
- error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
- if (error < 0)
- return error;
- 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 (fm_port[n] == SNDRV_AUTO_PORT)
- fm_port[n] = port[n]; /* share the same port */
- if (fm_port[n] > 0) {
- if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
- OPL3_HW_OPL3, 0, &opl3) < 0)
- dev_warn(dev,
- "opl3 not detected at 0x%lx\n", fm_port[n]);
- 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 = __devexit_p(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);
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