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127 lines
2.8 KiB
127 lines
2.8 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Universal Interface for Intel High Definition Audio Codec |
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* |
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* HD audio interface patch for C-Media CMI9880 |
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* |
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* Copyright (c) 2004 Takashi Iwai <[email protected]> |
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*/ |
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#include <linux/init.h> |
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#include <linux/slab.h> |
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#include <linux/module.h> |
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#include <sound/core.h> |
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#include <sound/hda_codec.h> |
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#include "hda_local.h" |
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#include "hda_auto_parser.h" |
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#include "hda_jack.h" |
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#include "hda_generic.h" |
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struct cmi_spec { |
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struct hda_gen_spec gen; |
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}; |
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/* |
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* stuff for auto-parser |
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*/ |
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static const struct hda_codec_ops cmi_auto_patch_ops = { |
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.build_controls = snd_hda_gen_build_controls, |
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.build_pcms = snd_hda_gen_build_pcms, |
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.init = snd_hda_gen_init, |
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.free = snd_hda_gen_free, |
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.unsol_event = snd_hda_jack_unsol_event, |
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}; |
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static int patch_cmi9880(struct hda_codec *codec) |
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{ |
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struct cmi_spec *spec; |
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struct auto_pin_cfg *cfg; |
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int err; |
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spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
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if (spec == NULL) |
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return -ENOMEM; |
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codec->spec = spec; |
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codec->patch_ops = cmi_auto_patch_ops; |
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cfg = &spec->gen.autocfg; |
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snd_hda_gen_spec_init(&spec->gen); |
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err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); |
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if (err < 0) |
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goto error; |
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err = snd_hda_gen_parse_auto_config(codec, cfg); |
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if (err < 0) |
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goto error; |
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return 0; |
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error: |
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snd_hda_gen_free(codec); |
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return err; |
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} |
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static int patch_cmi8888(struct hda_codec *codec) |
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{ |
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struct cmi_spec *spec; |
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struct auto_pin_cfg *cfg; |
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int err; |
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spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
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if (!spec) |
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return -ENOMEM; |
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codec->spec = spec; |
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codec->patch_ops = cmi_auto_patch_ops; |
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cfg = &spec->gen.autocfg; |
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snd_hda_gen_spec_init(&spec->gen); |
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/* mask NID 0x10 from the playback volume selection; |
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* it's a headphone boost volume handled manually below |
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*/ |
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spec->gen.out_vol_mask = (1ULL << 0x10); |
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err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); |
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if (err < 0) |
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goto error; |
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err = snd_hda_gen_parse_auto_config(codec, cfg); |
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if (err < 0) |
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goto error; |
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if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) == |
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AC_JACK_HP_OUT) { |
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static const struct snd_kcontrol_new amp_kctl = |
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HDA_CODEC_VOLUME("Headphone Amp Playback Volume", |
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0x10, 0, HDA_OUTPUT); |
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if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &_kctl)) { |
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err = -ENOMEM; |
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goto error; |
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} |
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} |
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return 0; |
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error: |
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snd_hda_gen_free(codec); |
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return err; |
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} |
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/* |
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* patch entries |
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*/ |
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static const struct hda_device_id snd_hda_id_cmedia[] = { |
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HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888), |
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HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880), |
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HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880), |
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{} /* terminator */ |
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}; |
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MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia); |
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MODULE_LICENSE("GPL"); |
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MODULE_DESCRIPTION("C-Media HD-audio codec"); |
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static struct hda_codec_driver cmedia_driver = { |
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.id = snd_hda_id_cmedia, |
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}; |
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module_hda_codec_driver(cmedia_driver);
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