175 lines
		
	
	
	
		
			5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			175 lines
		
	
	
	
		
			5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
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|  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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|  *
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|  *
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|  *   This program is free software; you can redistribute it and/or modify
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|  *   it under the terms of the GNU General Public License as published by
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|  *   the Free Software Foundation; either version 2 of the License, or
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|  *   (at your option) any later version.
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|  *
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|  *   This program is distributed in the hope that it will be useful,
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|  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  *   GNU General Public License for more details.
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|  *
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|  *   You should have received a copy of the GNU General Public License
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|  *   along with this program; if not, write to the Free Software
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|  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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|  *
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|  */
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| 
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| /*
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|   NOTES:
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|   - sometimes the sound is metallic and sibilant, unloading and 
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|     reloading the module may solve this.
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| */
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| 
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| #include <linux/pci.h>
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| #include <linux/time.h>
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| #include <linux/init.h>
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| #include <linux/module.h>
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| #include <sound/core.h>
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| #include <sound/cs46xx.h>
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| #include <sound/initval.h>
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| 
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| MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
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| MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
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| MODULE_LICENSE("GPL");
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| MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
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| 		"{Cirrus Logic,Sound Fusion (CS4610)},"
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| 		"{Cirrus Logic,Sound Fusion (CS4612)},"
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| 		"{Cirrus Logic,Sound Fusion (CS4615)},"
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| 		"{Cirrus Logic,Sound Fusion (CS4622)},"
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| 		"{Cirrus Logic,Sound Fusion (CS4624)},"
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| 		"{Cirrus Logic,Sound Fusion (CS4630)}}");
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| 
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| static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
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| static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
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| static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;	/* Enable this card */
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| static bool external_amp[SNDRV_CARDS];
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| static bool thinkpad[SNDRV_CARDS];
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| static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
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| 
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| module_param_array(index, int, NULL, 0444);
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| MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
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| module_param_array(id, charp, NULL, 0444);
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| MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
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| module_param_array(enable, bool, NULL, 0444);
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| MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
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| module_param_array(external_amp, bool, NULL, 0444);
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| MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
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| module_param_array(thinkpad, bool, NULL, 0444);
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| MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
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| module_param_array(mmap_valid, bool, NULL, 0444);
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| MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
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| 
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| static DEFINE_PCI_DEVICE_TABLE(snd_cs46xx_ids) = {
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| 	{ PCI_VDEVICE(CIRRUS, 0x6001), 0, },   /* CS4280 */
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| 	{ PCI_VDEVICE(CIRRUS, 0x6003), 0, },   /* CS4612 */
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| 	{ PCI_VDEVICE(CIRRUS, 0x6004), 0, },   /* CS4615 */
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| 	{ 0, }
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| };
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| 
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| MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
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| 
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| static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
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| 					   const struct pci_device_id *pci_id)
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| {
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| 	static int dev;
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| 	struct snd_card *card;
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| 	struct snd_cs46xx *chip;
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| 	int err;
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| 
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| 	if (dev >= SNDRV_CARDS)
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| 		return -ENODEV;
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| 	if (!enable[dev]) {
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| 		dev++;
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| 		return -ENOENT;
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| 	}
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| 
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| 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
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| 	if (err < 0)
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| 		return err;
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| 	if ((err = snd_cs46xx_create(card, pci,
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| 				     external_amp[dev], thinkpad[dev],
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| 				     &chip)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| 	card->private_data = chip;
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| 	chip->accept_valid = mmap_valid[dev];
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| 	if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| #ifdef CONFIG_SND_CS46XX_NEW_DSP
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| 	if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| 	if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| #endif
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| 	if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| #ifdef CONFIG_SND_CS46XX_NEW_DSP
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| 	if (chip->nr_ac97_codecs ==2) {
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| 		if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
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| 			snd_card_free(card);
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| 			return err;
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| 		}
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| 	}
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| #endif
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| 	if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| 	if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| 
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| 
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| 	snd_cs46xx_gameport(chip);
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| 
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| 	strcpy(card->driver, "CS46xx");
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| 	strcpy(card->shortname, "Sound Fusion CS46xx");
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| 	sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
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| 		card->shortname,
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| 		chip->ba0_addr,
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| 		chip->ba1_addr,
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| 		chip->irq);
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| 
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| 	if ((err = snd_card_register(card)) < 0) {
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| 		snd_card_free(card);
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| 		return err;
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| 	}
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| 
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| 	pci_set_drvdata(pci, card);
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| 	dev++;
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| 	return 0;
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| }
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| 
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| static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
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| {
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| 	snd_card_free(pci_get_drvdata(pci));
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| 	pci_set_drvdata(pci, NULL);
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| }
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| 
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| static struct pci_driver cs46xx_driver = {
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| 	.name = KBUILD_MODNAME,
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| 	.id_table = snd_cs46xx_ids,
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| 	.probe = snd_card_cs46xx_probe,
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| 	.remove = __devexit_p(snd_card_cs46xx_remove),
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| #ifdef CONFIG_PM
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| 	.suspend = snd_cs46xx_suspend,
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| 	.resume = snd_cs46xx_resume,
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| #endif
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| };
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| 
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| module_pci_driver(cs46xx_driver);
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