| /* |
| * 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); |