| /* |
| * 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 __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 && enable[i]; i++) { |
| struct platform_device *device; |
| device = platform_device_register_simple(ES1688_DRIVER, |
| i, NULL, 0); |
| if (IS_ERR(device)) { |
| err = PTR_ERR(device); |
| goto errout; |
| } |
| devices[i] = device; |
| cards++; |
| } |
| if (!cards) { |
| #ifdef MODULE |
| printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n"); |
| #endif |
| err = -ENODEV; |
| goto errout; |
| } |
| return 0; |
| |
| errout: |
| snd_es1688_unregister_all(); |
| return err; |
| } |
| |
| static void __exit alsa_card_es1688_exit(void) |
| { |
| snd_es1688_unregister_all(); |
| } |
| |
| module_init(alsa_card_es1688_init) |
| module_exit(alsa_card_es1688_exit) |