/* * Generic driver for CS4231 chips * Copyright (c) by Jaroslav Kysela * Originally the CS4232/CS4232A driver, modified for use on CS4231 by * Tugrul Galatali * * 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 #define SNDRV_GET_ID #include #define chip_t cs4231_t MODULE_AUTHOR("Jaroslav Kysela "); MODULE_DESCRIPTION("Generic CS4231"); MODULE_LICENSE("GPL"); MODULE_CLASSES("{sound}"); MODULE_DEVICES("{{Crystal Semiconductors,CS4231}}"); 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; /* PnP setup */ static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 9,11,12,15 */ static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(index, "Index value for CS4231 soundcard."); MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC); MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s"); MODULE_PARM_DESC(id, "ID string for CS4231 soundcard."); MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC); MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(enable, "Enable CS4231 soundcard."); MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC); MODULE_PARM(port, "1-" __MODULE_STRING(SNDRV_CARDS) "l"); MODULE_PARM_DESC(port, "Port # for CS4231 driver."); MODULE_PARM_SYNTAX(port, SNDRV_PORT12_DESC); MODULE_PARM(mpu_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l"); MODULE_PARM_DESC(mpu_port, "MPU-401 port # for CS4231 driver."); MODULE_PARM_SYNTAX(mpu_port, SNDRV_PORT12_DESC); MODULE_PARM(irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(irq, "IRQ # for CS4231 driver."); MODULE_PARM_SYNTAX(irq, SNDRV_IRQ_DESC); MODULE_PARM(mpu_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for CS4231 driver."); MODULE_PARM_SYNTAX(mpu_irq, SNDRV_IRQ_DESC); MODULE_PARM(dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(dma1, "DMA1 # for CS4231 driver."); MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC); MODULE_PARM(dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(dma2, "DMA2 # for CS4231 driver."); MODULE_PARM_SYNTAX(dma2, SNDRV_DMA_DESC); static snd_card_t *snd_cs4231_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; static int __init snd_card_cs4231_probe(int dev) { snd_card_t *card; struct snd_card_cs4231 *acard; snd_pcm_t *pcm = NULL; cs4231_t *chip; int err; if (port[dev] == SNDRV_AUTO_PORT) { snd_printk("specify port\n"); return -EINVAL; } if (irq[dev] == SNDRV_AUTO_IRQ) { snd_printk("specify irq\n"); return -EINVAL; } if (dma1[dev] == SNDRV_AUTO_DMA) { snd_printk("specify dma1\n"); return -EINVAL; } card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); if (card == NULL) return -ENOMEM; acard = (struct snd_card_cs4231 *)card->private_data; if ((err = snd_cs4231_create(card, port[dev], -1, irq[dev], dma1[dev], dma2[dev], CS4231_HW_DETECT, 0, &chip)) < 0) { snd_card_free(card); return err; } if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0) { snd_card_free(card); return err; } strcpy(card->driver, "CS4231"); strcpy(card->shortname, pcm->name); sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", pcm->name, chip->port, irq[dev], dma1[dev]); if (dma2[dev] >= 0) sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]); if ((err = snd_cs4231_mixer(chip)) < 0) { snd_card_free(card); return err; } if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0) { snd_card_free(card); return err; } if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) { if (mpu_irq[dev] == SNDRV_AUTO_IRQ) mpu_irq[dev] = -1; if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, mpu_port[dev], 0, mpu_irq[dev], mpu_irq[dev] >= 0 ? SA_INTERRUPT : 0, NULL) < 0) printk(KERN_ERR "cs4231: MPU401 not detected\n"); } if ((err = snd_card_register(card)) < 0) { snd_card_free(card); return err; } snd_cs4231_cards[dev] = card; return 0; } static int __init alsa_card_cs4231_init(void) { int dev, cards; for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { if (snd_card_cs4231_probe(dev) >= 0) cards++; } if (!cards) { #ifdef MODULE printk(KERN_ERR "CS4231 soundcard not found or device busy\n"); #endif return -ENODEV; } return 0; } static void __exit alsa_card_cs4231_exit(void) { int idx; for (idx = 0; idx < SNDRV_CARDS; idx++) snd_card_free(snd_cs4231_cards[idx]); } module_init(alsa_card_cs4231_init) module_exit(alsa_card_cs4231_exit) #ifndef MODULE /* format is: snd-cs4231=enable,index,id, port,mpu_port,irq,mpu_irq, dma1,dma2 */ static int __init alsa_card_cs4231_setup(char *str) { static unsigned __initdata nr_dev = 0; int __attribute__ ((__unused__)) pnp = INT_MAX; if (nr_dev >= SNDRV_CARDS) return 0; (void)(get_option(&str,&enable[nr_dev]) == 2 && get_option(&str,&index[nr_dev]) == 2 && get_id(&str,&id[nr_dev]) == 2 && get_option(&str,&pnp) == 2 && get_option_long(&str,&port[nr_dev]) == 2 && get_option_long(&str,&mpu_port[nr_dev]) == 2 && get_option(&str,&irq[nr_dev]) == 2 && get_option(&str,&mpu_irq[nr_dev]) == 2 && get_option(&str,&dma1[nr_dev]) == 2 && get_option(&str,&dma2[nr_dev]) == 2); nr_dev++; return 1; } __setup("snd-cs4231=", alsa_card_cs4231_setup); #endif /* ifndef MODULE */