123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241 |
- /*
- * Driver for generic ESS AudioDrive ESx688 soundcards
- * 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/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>
- MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
- MODULE_DESCRIPTION("ESS ESx688 AudioDrive");
- 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 ESx688 soundcard.");
- module_param_array(id, charp, NULL, 0444);
- MODULE_PARM_DESC(id, "ID string for ESx688 soundcard.");
- module_param_array(enable, bool, NULL, 0444);
- MODULE_PARM_DESC(enable, "Enable ESx688 soundcard.");
- module_param_array(port, long, NULL, 0444);
- MODULE_PARM_DESC(port, "Port # for ESx688 driver.");
- module_param_array(mpu_port, long, NULL, 0444);
- MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ESx688 driver.");
- module_param_array(irq, int, NULL, 0444);
- MODULE_PARM_DESC(irq, "IRQ # for ESx688 driver.");
- module_param_array(mpu_irq, int, NULL, 0444);
- MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ESx688 driver.");
- module_param_array(dma8, int, NULL, 0444);
- MODULE_PARM_DESC(dma8, "8-bit DMA # for ESx688 driver.");
- static struct platform_device *devices[SNDRV_CARDS];
- #define PFX "es1688: "
- static int __devinit snd_es1688_probe(struct platform_device *pdev)
- {
- int dev = pdev->id;
- static int possible_irqs[] = {5, 9, 10, 7, -1};
- static int possible_dmas[] = {1, 3, 0, -1};
- int xirq, xdma, xmpu_irq;
- struct snd_card *card;
- struct snd_es1688 *chip;
- struct snd_opl3 *opl3;
- struct snd_pcm *pcm;
- int err;
- card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
- if (card == NULL)
- return -ENOMEM;
- 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;
- }
- }
- xmpu_irq = mpu_irq[dev];
- xdma = dma8[dev];
- if (xdma == SNDRV_AUTO_DMA) {
- if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) {
- snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
- err = -EBUSY;
- goto _err;
- }
- }
- if (port[dev] != SNDRV_AUTO_PORT) {
- if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
- xirq, xmpu_irq, xdma,
- ES1688_HW_AUTO, &chip)) < 0)
- goto _err;
- } else {
- /* auto-probe legacy ports */
- static unsigned long possible_ports[] = {
- 0x220, 0x240, 0x260,
- };
- int i;
- for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
- err = snd_es1688_create(card, possible_ports[i],
- mpu_port[dev],
- xirq, xmpu_irq, xdma,
- ES1688_HW_AUTO, &chip);
- if (err >= 0) {
- port[dev] = possible_ports[i];
- break;
- }
- }
- if (i >= ARRAY_SIZE(possible_ports))
- goto _err;
- }
- if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0)
- goto _err;
- if ((err = snd_es1688_mixer(chip)) < 0)
- goto _err;
- strcpy(card->driver, "ES1688");
- strcpy(card->shortname, pcm->name);
- sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port, xirq, xdma);
- if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) {
- printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port);
- } else {
- if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
- goto _err;
- }
- if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) {
- if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
- chip->mpu_port, 0,
- xmpu_irq,
- IRQF_DISABLED,
- NULL)) < 0)
- goto _err;
- }
- snd_card_set_dev(card, &pdev->dev);
- if ((err = snd_card_register(card)) < 0)
- goto _err;
- platform_set_drvdata(pdev, card);
- return 0;
- _err:
- snd_card_free(card);
- return err;
- }
- static int __devexit snd_es1688_remove(struct platform_device *devptr)
- {
- snd_card_free(platform_get_drvdata(devptr));
- platform_set_drvdata(devptr, NULL);
- return 0;
- }
- #define ES1688_DRIVER "snd_es1688"
- static struct platform_driver snd_es1688_driver = {
- .probe = snd_es1688_probe,
- .remove = __devexit_p(snd_es1688_remove),
- /* FIXME: suspend/resume */
- .driver = {
- .name = ES1688_DRIVER
- },
- };
- static void __init_or_module snd_es1688_unregister_all(void)
- {
- int i;
- for (i = 0; i < ARRAY_SIZE(devices); ++i)
- platform_device_unregister(devices[i]);
- platform_driver_unregister(&snd_es1688_driver);
- }
- static int __init alsa_card_es1688_init(void)
- {
- int i, cards, err;
- err = platform_driver_register(&snd_es1688_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(ES1688_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 "ESS AudioDrive ES1688 soundcard not found or device busy\n");
- #endif
- snd_es1688_unregister_all();
- return -ENODEV;
- }
- return 0;
- }
- static void __exit alsa_card_es1688_exit(void)
- {
- snd_es1688_unregister_all();
- }
- module_init(alsa_card_es1688_init)
- module_exit(alsa_card_es1688_exit)
|