sound/pci/hda/patch_cmedia.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * HD audio interface patch for C-Media CMI9880
   5  *
   6  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *
   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.
  13  *
  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.
  18  *
  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
  22  */
  23
  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"
  31 #include "hda_jack.h"
  32 #include "hda_generic.h"
  33
  34 struct cmi_spec {
  35         struct hda_gen_spec gen;
  36 };
  37
  38 /*
  39  * stuff for auto-parser
  40  */
  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,
  47 };
  48
  49 static int patch_cmi9880(struct hda_codec *codec)
  50 {
  51         struct cmi_spec *spec;
  52         struct auto_pin_cfg *cfg;
  53         int err;
  54
  55         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
  56         if (spec == NULL)
  57                 return -ENOMEM;
  58
  59         codec->spec = spec;
  60         codec->patch_ops = cmi_auto_patch_ops;
  61         cfg = &spec->gen.autocfg;
  62         snd_hda_gen_spec_init(&spec->gen);
  63
  64         err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
  65         if (err < 0)
  66                 goto error;
  67         err = snd_hda_gen_parse_auto_config(codec, cfg);
  68         if (err < 0)
  69                 goto error;
  70
  71         return 0;
  72
  73  error:
  74         snd_hda_gen_free(codec);
  75         return err;
  76 }
  77
  78 static int patch_cmi8888(struct hda_codec *codec)
  79 {
  80         struct cmi_spec *spec;
  81         struct auto_pin_cfg *cfg;
  82         int err;
  83
  84         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
  85         if (!spec)
  86                 return -ENOMEM;
  87
  88         codec->spec = spec;
  89         codec->patch_ops = cmi_auto_patch_ops;
  90         cfg = &spec->gen.autocfg;
  91         snd_hda_gen_spec_init(&spec->gen);
  92
  93         /* mask NID 0x10 from the playback volume selection;
  94          * it's a headphone boost volume handled manually below
  95          */
  96         spec->gen.out_vol_mask = (1ULL << 0x10);
  97
  98         err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
  99         if (err < 0)
 100                 goto error;
 101         err = snd_hda_gen_parse_auto_config(codec, cfg);
 102         if (err < 0)
 103                 goto error;
 104
 105         if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
 106             AC_JACK_HP_OUT) {
 107                 static const struct snd_kcontrol_new amp_kctl =
 108                         HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
 109                                          0x10, 0, HDA_OUTPUT);
 110                 if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &amp_kctl)) {
 111                         err = -ENOMEM;
 112                         goto error;
 113                 }
 114         }
 115
 116         return 0;
 117
 118  error:
 119         snd_hda_gen_free(codec);
 120         return err;
 121 }
 122
 123 /*
 124  * patch entries
 125  */
 126 static const struct hda_device_id snd_hda_id_cmedia[] = {
 127         HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888),
 128         HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880),
 129         HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880),
 130         {} /* terminator */
 131 };
 132 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
 133
 134 MODULE_LICENSE("GPL");
 135 MODULE_DESCRIPTION("C-Media HD-audio codec");
 136
 137 static struct hda_codec_driver cmedia_driver = {
 138         .id = snd_hda_id_cmedia,
 139 };
 140
 141 module_hda_codec_driver(cmedia_driver);