diff options
Diffstat (limited to 'sound/isa/es1688/es1688.c')
| -rw-r--r-- | sound/isa/es1688/es1688.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/sound/isa/es1688/es1688.c b/sound/isa/es1688/es1688.c new file mode 100644 index 000000000000..c5eaec087b46 --- /dev/null +++ b/sound/isa/es1688/es1688.c @@ -0,0 +1,204 @@ +/* + * 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 <asm/dma.h> +#include <linux/init.h> +#include <linux/time.h> +#include <linux/wait.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/es1688.h> +#include <sound/mpu401.h> +#include <sound/opl3.h> +#define SNDRV_LEGACY_AUTO_PROBE +#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 snd_card_t *snd_audiodrive_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; + + +static int __init snd_audiodrive_probe(int dev) +{ + static int possible_irqs[] = {5, 9, 10, 7, -1}; + static int possible_dmas[] = {1, 3, 0, -1}; + int xirq, xdma, xmpu_irq; + snd_card_t *card; + es1688_t *chip; + opl3_t *opl3; + snd_pcm_t *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_card_free(card); + snd_printk("unable to find a free IRQ\n"); + return -EBUSY; + } + } + xmpu_irq = mpu_irq[dev]; + xdma = dma8[dev]; + if (xdma == SNDRV_AUTO_DMA) { + if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) { + snd_card_free(card); + snd_printk("unable to find a free DMA\n"); + return -EBUSY; + } + } + + if ((err = snd_es1688_create(card, port[dev], mpu_port[dev], + xirq, xmpu_irq, xdma, + ES1688_HW_AUTO, &chip)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0) { + snd_card_free(card); + return err; + } + if ((err = snd_es1688_mixer(chip)) < 0) { + snd_card_free(card); + return 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_ERR "es1688: opl3 not detected at 0x%lx\n", chip->port); + } else { + if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { + snd_card_free(card); + return 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) { + snd_card_free(card); + return err; + } + } + if ((err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + snd_audiodrive_cards[dev] = card; + return 0; + +} + +static int __init snd_audiodrive_legacy_auto_probe(unsigned long xport) +{ + static int dev; + int res; + + for ( ; dev < SNDRV_CARDS; dev++) { + if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) + continue; + port[dev] = xport; + res = snd_audiodrive_probe(dev); + if (res < 0) + port[dev] = SNDRV_AUTO_PORT; + return res; + } + return -ENODEV; +} + +static int __init alsa_card_es1688_init(void) +{ + static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1}; + int dev, cards = 0, i; + + for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { + if (port[dev] == SNDRV_AUTO_PORT) + continue; + if (snd_audiodrive_probe(dev) >= 0) + cards++; + } + i = snd_legacy_auto_probe(possible_ports, snd_audiodrive_legacy_auto_probe); + if (i > 0) + cards += i; + + if (!cards) { +#ifdef MODULE + printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n"); +#endif + return -ENODEV; + } + return 0; +} + +static void __exit alsa_card_es1688_exit(void) +{ + int idx; + + for (idx = 0; idx < SNDRV_CARDS; idx++) + snd_card_free(snd_audiodrive_cards[idx]); +} + +module_init(alsa_card_es1688_init) +module_exit(alsa_card_es1688_exit) |