/* * 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 #include #include #include #include #define CRD_NAME "Generic CS4231" #define DEV_NAME "cs4231" MODULE_DESCRIPTION(CRD_NAME); MODULE_AUTHOR("Jaroslav Kysela "); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{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_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(dma1, int, NULL, 0444); MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA2 # for " CRD_NAME " driver."); static int __devinit snd_cs4231_match(struct device *dev, unsigned int n) { if (!enable[n]) return 0; if (port[n] == SNDRV_AUTO_PORT) { snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id); return 0; } if (irq[n] == SNDRV_AUTO_IRQ) { snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id); return 0; } if (dma1[n] == SNDRV_AUTO_DMA) { snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id); return 0; } return 1; } static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n) { struct snd_card *card; struct snd_cs4231 *chip; struct snd_pcm *pcm; int error; card = snd_card_new(index[n], id[n], THIS_MODULE, 0); if (!card) return -EINVAL; error = snd_cs4231_create(card, port[n], -1, irq[n], dma1[n], dma2[n], CS4231_HW_DETECT, 0, &chip); if (error < 0) goto out; card->private_data = chip; error = snd_cs4231_pcm(chip, 0, &pcm); if (error < 0) goto out; 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[n], dma1[n]); if (dma2[n] >= 0) sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]); error = snd_cs4231_mixer(chip); if (error < 0) goto out; error = snd_cs4231_timer(chip, 0, NULL); if (error < 0) goto out; if (mpu_port[n] > 0 && mpu_port[n] != SNDRV_AUTO_PORT) { if (mpu_irq[n] == SNDRV_AUTO_IRQ) mpu_irq[n] = -1; if (snd_mpu401_uart_new(card, 0, MPU401_HW_CS4232, mpu_port[n], 0, mpu_irq[n], mpu_irq[n] >= 0 ? IRQF_DISABLED : 0, NULL) < 0) printk(KERN_WARNING "%s: MPU401 not detected\n", dev->bus_id); } 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_cs4231_remove(struct device *dev, unsigned int n) { snd_card_free(dev_get_drvdata(dev)); dev_set_drvdata(dev, NULL); return 0; } #ifdef CONFIG_PM static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state) { struct snd_card *card = dev_get_drvdata(dev); struct snd_cs4231 *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); return 0; } static int snd_cs4231_resume(struct device *dev, unsigned int n) { struct snd_card *card = dev_get_drvdata(dev); struct snd_cs4231 *chip = card->private_data; chip->resume(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } #endif static struct isa_driver snd_cs4231_driver = { .match = snd_cs4231_match, .probe = snd_cs4231_probe, .remove = __devexit_p(snd_cs4231_remove), #ifdef CONFIG_PM .suspend = snd_cs4231_suspend, .resume = snd_cs4231_resume, #endif .driver = { .name = DEV_NAME } }; static int __init alsa_card_cs4231_init(void) { return isa_register_driver(&snd_cs4231_driver, SNDRV_CARDS); } static void __exit alsa_card_cs4231_exit(void) { isa_unregister_driver(&snd_cs4231_driver); } module_init(alsa_card_cs4231_init); module_exit(alsa_card_cs4231_exit);