2 * Universal Interface for Intel High Definition Audio Codec
4 * HD audio interface patch for C-Media CMI9880
6 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
9 * This driver is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This driver is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <sound/core.h>
28 #include "hda_codec.h"
29 #include "hda_local.h"
30 #include "hda_auto_parser.h"
32 #include "hda_generic.h"
35 struct hda_gen_spec gen;
39 * stuff for auto-parser
41 static const struct hda_codec_ops cmi_auto_patch_ops = {
42 .build_controls = snd_hda_gen_build_controls,
43 .build_pcms = snd_hda_gen_build_pcms,
44 .init = snd_hda_gen_init,
45 .free = snd_hda_gen_free,
46 .unsol_event = snd_hda_jack_unsol_event,
49 static int patch_cmi9880(struct hda_codec *codec)
51 struct cmi_spec *spec;
52 struct auto_pin_cfg *cfg;
55 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
60 cfg = &spec->gen.autocfg;
61 snd_hda_gen_spec_init(&spec->gen);
63 err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
66 err = snd_hda_gen_parse_auto_config(codec, cfg);
70 codec->patch_ops = cmi_auto_patch_ops;
74 snd_hda_gen_free(codec);
78 static int patch_cmi8888(struct hda_codec *codec)
80 struct cmi_spec *spec;
81 struct auto_pin_cfg *cfg;
84 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
89 cfg = &spec->gen.autocfg;
90 snd_hda_gen_spec_init(&spec->gen);
92 /* mask NID 0x10 from the playback volume selection;
93 * it's a headphone boost volume handled manually below
95 spec->gen.out_vol_mask = (1ULL << 0x10);
97 err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
100 err = snd_hda_gen_parse_auto_config(codec, cfg);
104 if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
106 static const struct snd_kcontrol_new amp_kctl =
107 HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
108 0x10, 0, HDA_OUTPUT);
109 if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &_kctl)) {
115 codec->patch_ops = cmi_auto_patch_ops;
119 snd_hda_gen_free(codec);
126 static const struct hda_codec_preset snd_hda_preset_cmedia[] = {
127 { .id = 0x13f68888, .name = "CMI8888", .patch = patch_cmi8888 },
128 { .id = 0x13f69880, .name = "CMI9880", .patch = patch_cmi9880 },
129 { .id = 0x434d4980, .name = "CMI9880", .patch = patch_cmi9880 },
133 MODULE_ALIAS("snd-hda-codec-id:13f68888");
134 MODULE_ALIAS("snd-hda-codec-id:13f69880");
135 MODULE_ALIAS("snd-hda-codec-id:434d4980");
137 MODULE_LICENSE("GPL");
138 MODULE_DESCRIPTION("C-Media HD-audio codec");
140 static struct hda_codec_preset_list cmedia_list = {
141 .preset = snd_hda_preset_cmedia,
142 .owner = THIS_MODULE,
145 static int __init patch_cmedia_init(void)
147 return snd_hda_add_codec_preset(&cmedia_list);
150 static void __exit patch_cmedia_exit(void)
152 snd_hda_delete_codec_preset(&cmedia_list);
155 module_init(patch_cmedia_init)
156 module_exit(patch_cmedia_exit)