linux/sound/pci/cs46xx/cs46xx.c
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   1/*
   2 *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
   3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4 *
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 */
  21
  22/*
  23  NOTES:
  24  - sometimes the sound is metallic and sibilant, unloading and 
  25    reloading the module may solve this.
  26*/
  27
  28#include <linux/pci.h>
  29#include <linux/time.h>
  30#include <linux/init.h>
  31#include <linux/moduleparam.h>
  32#include <sound/core.h>
  33#include <sound/cs46xx.h>
  34#include <sound/initval.h>
  35
  36MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  37MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
  38MODULE_LICENSE("GPL");
  39MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
  40                "{Cirrus Logic,Sound Fusion (CS4610)},"
  41                "{Cirrus Logic,Sound Fusion (CS4612)},"
  42                "{Cirrus Logic,Sound Fusion (CS4615)},"
  43                "{Cirrus Logic,Sound Fusion (CS4622)},"
  44                "{Cirrus Logic,Sound Fusion (CS4624)},"
  45                "{Cirrus Logic,Sound Fusion (CS4630)}}");
  46
  47static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  48static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  49static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
  50static int external_amp[SNDRV_CARDS];
  51static int thinkpad[SNDRV_CARDS];
  52static int mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  53
  54module_param_array(index, int, NULL, 0444);
  55MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
  56module_param_array(id, charp, NULL, 0444);
  57MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
  58module_param_array(enable, bool, NULL, 0444);
  59MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
  60module_param_array(external_amp, bool, NULL, 0444);
  61MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
  62module_param_array(thinkpad, bool, NULL, 0444);
  63MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
  64module_param_array(mmap_valid, bool, NULL, 0444);
  65MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
  66
  67static struct pci_device_id snd_cs46xx_ids[] = {
  68        { PCI_VDEVICE(CIRRUS, 0x6001), 0, },   /* CS4280 */
  69        { PCI_VDEVICE(CIRRUS, 0x6003), 0, },   /* CS4612 */
  70        { PCI_VDEVICE(CIRRUS, 0x6004), 0, },   /* CS4615 */
  71        { 0, }
  72};
  73
  74MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
  75
  76static int __devinit snd_card_cs46xx_probe(struct pci_dev *pci,
  77                                           const struct pci_device_id *pci_id)
  78{
  79        static int dev;
  80        struct snd_card *card;
  81        struct snd_cs46xx *chip;
  82        int err;
  83
  84        if (dev >= SNDRV_CARDS)
  85                return -ENODEV;
  86        if (!enable[dev]) {
  87                dev++;
  88                return -ENOENT;
  89        }
  90
  91        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
  92        if (err < 0)
  93                return err;
  94        if ((err = snd_cs46xx_create(card, pci,
  95                                     external_amp[dev], thinkpad[dev],
  96                                     &chip)) < 0) {
  97                snd_card_free(card);
  98                return err;
  99        }
 100        card->private_data = chip;
 101        chip->accept_valid = mmap_valid[dev];
 102        if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
 103                snd_card_free(card);
 104                return err;
 105        }
 106#ifdef CONFIG_SND_CS46XX_NEW_DSP
 107        if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
 108                snd_card_free(card);
 109                return err;
 110        }
 111        if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
 112                snd_card_free(card);
 113                return err;
 114        }
 115#endif
 116        if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
 117                snd_card_free(card);
 118                return err;
 119        }
 120#ifdef CONFIG_SND_CS46XX_NEW_DSP
 121        if (chip->nr_ac97_codecs ==2) {
 122                if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
 123                        snd_card_free(card);
 124                        return err;
 125                }
 126        }
 127#endif
 128        if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
 129                snd_card_free(card);
 130                return err;
 131        }
 132        if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
 133                snd_card_free(card);
 134                return err;
 135        }
 136
 137
 138        snd_cs46xx_gameport(chip);
 139
 140        strcpy(card->driver, "CS46xx");
 141        strcpy(card->shortname, "Sound Fusion CS46xx");
 142        sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
 143                card->shortname,
 144                chip->ba0_addr,
 145                chip->ba1_addr,
 146                chip->irq);
 147
 148        if ((err = snd_card_register(card)) < 0) {
 149                snd_card_free(card);
 150                return err;
 151        }
 152
 153        pci_set_drvdata(pci, card);
 154        dev++;
 155        return 0;
 156}
 157
 158static void __devexit snd_card_cs46xx_remove(struct pci_dev *pci)
 159{
 160        snd_card_free(pci_get_drvdata(pci));
 161        pci_set_drvdata(pci, NULL);
 162}
 163
 164static struct pci_driver driver = {
 165        .name = "Sound Fusion CS46xx",
 166        .id_table = snd_cs46xx_ids,
 167        .probe = snd_card_cs46xx_probe,
 168        .remove = __devexit_p(snd_card_cs46xx_remove),
 169#ifdef CONFIG_PM
 170        .suspend = snd_cs46xx_suspend,
 171        .resume = snd_cs46xx_resume,
 172#endif
 173};
 174
 175static int __init alsa_card_cs46xx_init(void)
 176{
 177        return pci_register_driver(&driver);
 178}
 179
 180static void __exit alsa_card_cs46xx_exit(void)
 181{
 182        pci_unregister_driver(&driver);
 183}
 184
 185module_init(alsa_card_cs46xx_init)
 186module_exit(alsa_card_cs46xx_exit)
 187