| 1 | // SPDX-License-Identifier: GPL-2.0-or-later
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| 2 | /*
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| 3 | * The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
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| 4 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | NOTES:
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| 9 | - sometimes the sound is metallic and sibilant, unloading and
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| 10 | reloading the module may solve this.
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| 11 | */
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| 12 |
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| 13 | #ifdef TARGET_OS2
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| 14 | #define KBUILD_MODNAME "cs46xx"
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| 15 | #endif
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| 16 | #include <linux/pci.h>
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| 17 | #include <linux/time.h>
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| 18 | #include <linux/init.h>
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| 19 | #include <linux/module.h>
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| 20 | #include <sound/core.h>
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| 21 | #include "cs46xx.h"
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| 22 | #include <sound/initval.h>
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| 23 |
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| 24 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
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| 25 | MODULE_DESCRIPTION("Cirrus Logic Sound Fusion CS46XX");
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| 26 | MODULE_LICENSE("GPL");
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| 27 |
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| 28 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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| 29 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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| 30 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
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| 31 | static bool external_amp[SNDRV_CARDS];
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| 32 | static bool thinkpad[SNDRV_CARDS];
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| 33 | #ifndef TARGET_OS2
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| 34 | static bool mmap_valid[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1};
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| 35 | #else
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| 36 | static bool mmap_valid[SNDRV_CARDS] = {1,1,1,1,1,1,1,1};
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| 37 | #endif
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| 38 |
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| 39 | module_param_array(index, int, NULL, 0444);
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| 40 | MODULE_PARM_DESC(index, "Index value for the CS46xx soundcard.");
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| 41 | module_param_array(id, charp, NULL, 0444);
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| 42 | MODULE_PARM_DESC(id, "ID string for the CS46xx soundcard.");
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| 43 | module_param_array(enable, bool, NULL, 0444);
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| 44 | MODULE_PARM_DESC(enable, "Enable CS46xx soundcard.");
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| 45 | module_param_array(external_amp, bool, NULL, 0444);
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| 46 | MODULE_PARM_DESC(external_amp, "Force to enable external amplifier.");
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| 47 | module_param_array(thinkpad, bool, NULL, 0444);
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| 48 | MODULE_PARM_DESC(thinkpad, "Force to enable Thinkpad's CLKRUN control.");
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| 49 | module_param_array(mmap_valid, bool, NULL, 0444);
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| 50 | MODULE_PARM_DESC(mmap_valid, "Support OSS mmap.");
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| 51 |
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| 52 | static const struct pci_device_id snd_cs46xx_ids[] = {
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| 53 | { PCI_VDEVICE(CIRRUS, 0x6001), 0, }, /* CS4280 */
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| 54 | { PCI_VDEVICE(CIRRUS, 0x6003), 0, }, /* CS4612 */
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| 55 | { PCI_VDEVICE(CIRRUS, 0x6004), 0, }, /* CS4615 */
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| 56 | { 0, }
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| 57 | };
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| 58 |
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| 59 | MODULE_DEVICE_TABLE(pci, snd_cs46xx_ids);
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| 60 |
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| 61 | static int snd_card_cs46xx_probe(struct pci_dev *pci,
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| 62 | const struct pci_device_id *pci_id)
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| 63 | {
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| 64 | static int dev;
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| 65 | struct snd_card *card;
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| 66 | struct snd_cs46xx *chip;
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| 67 | int err;
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| 68 |
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| 69 | if (dev >= SNDRV_CARDS)
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| 70 | return -ENODEV;
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| 71 | if (!enable[dev]) {
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| 72 | dev++;
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| 73 | return -ENOENT;
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| 74 | }
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| 75 |
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| 76 | err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
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| 77 | sizeof(*chip), &card);
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| 78 | if (err < 0)
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| 79 | return err;
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| 80 | chip = card->private_data;
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| 81 | err = snd_cs46xx_create(card, pci,
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| 82 | external_amp[dev], thinkpad[dev]);
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| 83 | if (err < 0)
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| 84 | goto error;
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| 85 | card->private_data = chip;
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| 86 | chip->accept_valid = mmap_valid[dev];
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| 87 | err = snd_cs46xx_pcm(chip, 0);
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| 88 | if (err < 0)
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| 89 | goto error;
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| 90 | #ifdef CONFIG_SND_CS46XX_NEW_DSP
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| 91 | err = snd_cs46xx_pcm_rear(chip, 1);
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| 92 | if (err < 0)
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| 93 | goto error;
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| 94 | err = snd_cs46xx_pcm_iec958(chip, 2);
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| 95 | if (err < 0)
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| 96 | goto error;
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| 97 | #endif
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| 98 | err = snd_cs46xx_mixer(chip, 2);
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| 99 | if (err < 0)
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| 100 | goto error;
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| 101 | #ifdef CONFIG_SND_CS46XX_NEW_DSP
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| 102 | if (chip->nr_ac97_codecs ==2) {
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| 103 | err = snd_cs46xx_pcm_center_lfe(chip, 3);
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| 104 | if (err < 0)
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| 105 | goto error;
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| 106 | }
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| 107 | #endif
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| 108 | err = snd_cs46xx_midi(chip, 0);
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| 109 | if (err < 0)
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| 110 | goto error;
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| 111 | err = snd_cs46xx_start_dsp(chip);
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| 112 | if (err < 0)
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| 113 | goto error;
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| 114 |
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| 115 | snd_cs46xx_gameport(chip);
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| 116 |
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| 117 | strcpy(card->driver, "CS46xx");
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| 118 | strcpy(card->shortname, "Sound Fusion CS46xx");
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| 119 | sprintf(card->longname, "%s at 0x%lx/0x%lx, irq %i",
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| 120 | card->shortname,
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| 121 | chip->ba0_addr,
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| 122 | chip->ba1_addr,
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| 123 | chip->irq);
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| 124 |
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| 125 | err = snd_card_register(card);
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| 126 | if (err < 0)
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| 127 | goto error;
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| 128 |
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| 129 | pci_set_drvdata(pci, card);
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| 130 | dev++;
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| 131 | return 0;
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| 132 |
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| 133 | error:
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| 134 | snd_card_free(card);
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| 135 | return err;
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| 136 | }
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| 137 |
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| 138 | static struct pci_driver cs46xx_driver = {
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| 139 | .name = KBUILD_MODNAME,
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| 140 | .id_table = snd_cs46xx_ids,
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| 141 | .probe = snd_card_cs46xx_probe,
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| 142 | #ifdef CONFIG_PM_SLEEP
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| 143 | .driver = {
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| 144 | .pm = &snd_cs46xx_pm,
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| 145 | },
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| 146 | #endif
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| 147 | };
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| 148 |
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| 149 | module_pci_driver(cs46xx_driver);
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