b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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); |