/* * Driver for generic ESS AudioDrive ESx688 soundcards * Copyright (c) by Jaroslav Kysela * * * 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 #include #include #include #include #include #include #include #include #include #include #include #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA #include MODULE_AUTHOR("Jaroslav Kysela "); 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 __init 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, SA_INTERRUPT, 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 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 = 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)