root/sound/pci/cs46xx/cs46xx.c

DEFINITIONS

1. snd_card_cs46xx_probe
2. snd_card_cs46xx_remove

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
   4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   5  */
   6 
   7 /*
   8   NOTES:
   9   - sometimes the sound is metallic and sibilant, unloading and 
  10     reloading the module may solve this.
  11 */
  12 
  13 #include <linux/pci.h>
  14 #include <linux/time.h>
  15 #include <linux/init.h>
  16 #include <linux/module.h>
  17 #include <sound/core.h>
  18 #include "cs46xx.h"
  19 #include <sound/initval.h>
  20 
  21 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  22 MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
  23 MODULE_LICENSE("GPL");
  24 MODULE_SUPPORTED_DEVICE("{{Cirrus Logic,Sound Fusion (CS4280)},"
  25                 "{Cirrus Logic,Sound Fusion (CS4610)},"
  26                 "{Cirrus Logic,Sound Fusion (CS4612)},"
  27                 "{Cirrus Logic,Sound Fusion (CS4615)},"
  28                 "{Cirrus Logic,Sound Fusion (CS4622)},"
  29                 "{Cirrus Logic,Sound Fusion (CS4624)},"
  30                 "{Cirrus Logic,Sound Fusion (CS4630)}}");
  31 
  32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  34 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  35 static bool external_amp[SNDRV_CARDS];
  36 static bool thinkpad[SNDRV_CARDS];
  37 static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  38 
  39 module_param_array(index, int, NULL, 0444);
  40 MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
  41 module_param_array(id, charp, NULL, 0444);
  42 MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
  43 module_param_array(enable, bool, NULL, 0444);
  44 MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
  45 module_param_array(external_amp, bool, NULL, 0444);
  46 MODULE_PARM_DESC(external_amp, "Force to enable external amplifier.");
  47 module_param_array(thinkpad, bool, NULL, 0444);
  48 MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
  49 module_param_array(mmap_valid, bool, NULL, 0444);
  50 MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
  51 
  52 static const struct pci_device_id snd_cs46xx_ids[] = {
  53         { PCI_VDEVICE(CIRRUS, 0x6001), 0, },   /* CS4280 */
  54         { PCI_VDEVICE(CIRRUS, 0x6003), 0, },   /* CS4612 */
  55         { PCI_VDEVICE(CIRRUS, 0x6004), 0, },   /* CS4615 */
  56         { 0, }
  57 };
  58 
  59 MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
  60 
  61 static int snd_card_cs46xx_probe(struct pci_dev *pci,
  62                                  const struct pci_device_id *pci_id)
  63 {
  64         static int dev;
  65         struct snd_card *card;
  66         struct snd_cs46xx *chip;
  67         int err;
  68 
  69         if (dev >= SNDRV_CARDS)
  70                 return -ENODEV;
  71         if (!enable[dev]) {
  72                 dev++;
  73                 return -ENOENT;
  74         }
  75 
  76         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
  77                            0, &card);
  78         if (err < 0)
  79                 return err;
  80         if ((err = snd_cs46xx_create(card, pci,
  81                                      external_amp[dev], thinkpad[dev],
  82                                      &chip)) < 0) {
  83                 snd_card_free(card);
  84                 return err;
  85         }
  86         card->private_data = chip;
  87         chip->accept_valid = mmap_valid[dev];
  88         if ((err = snd_cs46xx_pcm(chip, 0)) < 0) {
  89                 snd_card_free(card);
  90                 return err;
  91         }
  92 #ifdef CONFIG_SND_CS46XX_NEW_DSP
  93         if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) {
  94                 snd_card_free(card);
  95                 return err;
  96         }
  97         if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 0) {
  98                 snd_card_free(card);
  99                 return err;
 100         }
 101 #endif
 102         if ((err = snd_cs46xx_mixer(chip, 2)) < 0) {
 103                 snd_card_free(card);
 104                 return err;
 105         }
 106 #ifdef CONFIG_SND_CS46XX_NEW_DSP
 107         if (chip->nr_ac97_codecs ==2) {
 108                 if ((err = snd_cs46xx_pcm_center_lfe(chip, 3)) < 0) {
 109                         snd_card_free(card);
 110                         return err;
 111                 }
 112         }
 113 #endif
 114         if ((err = snd_cs46xx_midi(chip, 0)) < 0) {
 115                 snd_card_free(card);
 116                 return err;
 117         }
 118         if ((err = snd_cs46xx_start_dsp(chip)) < 0) {
 119                 snd_card_free(card);
 120                 return err;
 121         }
 122 
 123 
 124         snd_cs46xx_gameport(chip);
 125 
 126         strcpy(card->driver, "CS46xx");
 127         strcpy(card->shortname, "Sound Fusion CS46xx");
 128         sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
 129                 card->shortname,
 130                 chip->ba0_addr,
 131                 chip->ba1_addr,
 132                 chip->irq);
 133 
 134         if ((err = snd_card_register(card)) < 0) {
 135                 snd_card_free(card);
 136                 return err;
 137         }
 138 
 139         pci_set_drvdata(pci, card);
 140         dev++;
 141         return 0;
 142 }
 143 
 144 static void snd_card_cs46xx_remove(struct pci_dev *pci)
 145 {
 146         snd_card_free(pci_get_drvdata(pci));
 147 }
 148 
 149 static struct pci_driver cs46xx_driver = {
 150         .name = KBUILD_MODNAME,
 151         .id_table = snd_cs46xx_ids,
 152         .probe = snd_card_cs46xx_probe,
 153         .remove = snd_card_cs46xx_remove,
 154 #ifdef CONFIG_PM_SLEEP
 155         .driver = {
 156                 .pm = &snd_cs46xx_pm,
 157         },
 158 #endif
 159 };
 160 
 161 module_pci_driver(cs46xx_driver);