LXR linux/sound/pci/cs46xx/cs46xx.c

   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
  21MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  22MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
  23MODULE_LICENSE("GPL");
  24MODULE_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
  32static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  33static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  34static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable this card */
  35static bool external_amp[SNDRV_CARDS];
  36static bool thinkpad[SNDRV_CARDS];
  37static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
  38
  39module_param_array(index, int, NULL, 0444);
  40MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
  41module_param_array(id, charp, NULL, 0444);
  42MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
  43module_param_array(enable, bool, NULL, 0444);
  44MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
  45module_param_array(external_amp, bool, NULL, 0444);
  46MODULE_PARM_DESC(external_amp, "Force to enable external amplifier.");
  47module_param_array(thinkpad, bool, NULL, 0444);
  48MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
  49module_param_array(mmap_valid, bool, NULL, 0444);
  50MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
  51
  52static 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
  59MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
  60
  61static 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
 144static void snd_card_cs46xx_remove(struct pci_dev *pci)
 145{
 146        snd_card_free(pci_get_drvdata(pci));
 147}
 148
 149static 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
 161module_pci_driver(cs46xx_driver);
 162