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_driver cmedia_driver
= {
141 .preset
= snd_hda_preset_cmedia
,
144 module_hda_codec_driver(cmedia_driver
);