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 <sound/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, &_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); 142