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Linux/sound/pci/cs46xx/cs46xx.c

  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/module.h>
 32 #include <sound/core.h>
 33 #include "cs46xx.h"
 34 #include <sound/initval.h>
 35 
 36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 37 MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
 38 MODULE_LICENSE("GPL");
 39 MODULE_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 
 47 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
 48 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
 49 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
 50 static bool external_amp[SNDRV_CARDS];
 51 static bool thinkpad[SNDRV_CARDS];
 52 static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
 53 
 54 module_param_array(index, int, NULL, 0444);
 55 MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
 56 module_param_array(id, charp, NULL, 0444);
 57 MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
 58 module_param_array(enable, bool, NULL, 0444);
 59 MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
 60 module_param_array(external_amp, bool, NULL, 0444);
 61 MODULE_PARM_DESC(external_amp, "Force to enable external amplifer.");
 62 module_param_array(thinkpad, bool, NULL, 0444);
 63 MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
 64 module_param_array(mmap_valid, bool, NULL, 0444);
 65 MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
 66 
 67 static DEFINE_PCI_DEVICE_TABLE(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 
 74 MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
 75 
 76 static int 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_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
 92                            0, &card);
 93         if (err < 0)
 94                 return err;
 95         if ((err = snd_cs46xx_create(card, pci,
 96                                      external_amp[dev], thinkpad[dev],
 97                                      &chip)) < 0) {
 98                 snd_card_free(card);
 99                 return err;
100         }
101         card->private_data = chip;
102         chip->accept_valid = mmap_valid[dev];
103         if ((err = snd_cs46xx_pcm(chip, 0, NULL)) < 0) {
104                 snd_card_free(card);
105                 return err;
106         }
107 #ifdef CONFIG_SND_CS46XX_NEW_DSP
108         if ((err = snd_cs46xx_pcm_rear(chip,1, NULL)) < 0) {
109                 snd_card_free(card);
110                 return err;
111         }
112         if ((err = snd_cs46xx_pcm_iec958(chip,2,NULL)) < 0) {
113                 snd_card_free(card);
114                 return err;
115         }
116 #endif
117         if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
118                 snd_card_free(card);
119                 return err;
120         }
121 #ifdef CONFIG_SND_CS46XX_NEW_DSP
122         if (chip->nr_ac97_codecs ==2) {
123                 if ((err = snd_cs46xx_pcm_center_lfe(chip,3,NULL)) < 0) {
124                         snd_card_free(card);
125                         return err;
126                 }
127         }
128 #endif
129         if ((err = snd_cs46xx_midi(chip, 0, NULL)) < 0) {
130                 snd_card_free(card);
131                 return err;
132         }
133         if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
134                 snd_card_free(card);
135                 return err;
136         }
137 
138 
139         snd_cs46xx_gameport(chip);
140 
141         strcpy(card->driver, "CS46xx");
142         strcpy(card->shortname, "Sound Fusion CS46xx");
143         sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
144                 card->shortname,
145                 chip->ba0_addr,
146                 chip->ba1_addr,
147                 chip->irq);
148 
149         if ((err = snd_card_register(card)) < 0) {
150                 snd_card_free(card);
151                 return err;
152         }
153 
154         pci_set_drvdata(pci, card);
155         dev++;
156         return 0;
157 }
158 
159 static void snd_card_cs46xx_remove(struct pci_dev *pci)
160 {
161         snd_card_free(pci_get_drvdata(pci));
162 }
163 
164 static struct pci_driver cs46xx_driver = {
165         .name = KBUILD_MODNAME,
166         .id_table = snd_cs46xx_ids,
167         .probe = snd_card_cs46xx_probe,
168         .remove = snd_card_cs46xx_remove,
169 #ifdef CONFIG_PM_SLEEP
170         .driver = {
171                 .pm = &snd_cs46xx_pm,
172         },
173 #endif
174 };
175 
176 module_pci_driver(cs46xx_driver);
177 

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