sound/pci/hda/patch_intelhdmi.c

   1 /*
   2  *
   3  *  patch_intelhdmi.c - Patch for Intel HDMI codecs
   4  *
   5  *  Copyright(c) 2008 Intel Corporation. All rights reserved.
   6  *
   7  *  Authors:
   8  *                      Jiang Zhe <zhe.jiang@intel.com>
   9  *                      Wu Fengguang <wfg@linux.intel.com>
  10  *
  11  *  Maintained by:
  12  *                      Wu Fengguang <wfg@linux.intel.com>
  13  *
  14  *  This program is free software; you can redistribute it and/or modify it
  15  *  under the terms of the GNU General Public License as published by the Free
  16  *  Software Foundation; either version 2 of the License, or (at your option)
  17  *  any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful, but
  20  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  22  *  for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software Foundation,
  26  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27  */
  28
  29 #include <linux/init.h>
  30 #include <linux/delay.h>
  31 #include <linux/slab.h>
  32 #include <sound/core.h>
  33 #include "hda_codec.h"
  34 #include "hda_local.h"
  35
  36 /*
  37  * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
  38  * could support two independent pipes, each of them can be connected to one or
  39  * more ports (DVI, HDMI or DisplayPort).
  40  *
  41  * The HDA correspondence of pipes/ports are converter/pin nodes.
  42  */
  43 #define MAX_HDMI_CVTS   3
  44 #define MAX_HDMI_PINS   3
  45
  46 #include "patch_hdmi.c"
  47
  48 static char *intel_hdmi_pcm_names[MAX_HDMI_CVTS] = {
  49         "INTEL HDMI 0",
  50         "INTEL HDMI 1",
  51         "INTEL HDMI 2",
  52 };
  53
  54 /*
  55  * HDMI callbacks
  56  */
  57
  58 static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
  59                                            struct hda_codec *codec,
  60                                            unsigned int stream_tag,
  61                                            unsigned int format,
  62                                            struct snd_pcm_substream *substream)
  63 {
  64         hdmi_set_channel_count(codec, hinfo->nid,
  65                                substream->runtime->channels);
  66
  67         hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
  68
  69         return hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
  70 }
  71
  72 static struct hda_pcm_stream intel_hdmi_pcm_playback = {
  73         .substreams = 1,
  74         .channels_min = 2,
  75         .ops = {
  76                 .open = hdmi_pcm_open,
  77                 .prepare = intel_hdmi_playback_pcm_prepare,
  78         },
  79 };
  80
  81 static int intel_hdmi_build_pcms(struct hda_codec *codec)
  82 {
  83         struct hdmi_spec *spec = codec->spec;
  84         struct hda_pcm *info = spec->pcm_rec;
  85         int i;
  86
  87         codec->num_pcms = spec->num_cvts;
  88         codec->pcm_info = info;
  89
  90         for (i = 0; i < codec->num_pcms; i++, info++) {
  91                 unsigned int chans;
  92
  93                 chans = get_wcaps(codec, spec->cvt[i]);
  94                 chans = get_wcaps_channels(chans);
  95
  96                 info->name = intel_hdmi_pcm_names[i];
  97                 info->pcm_type = HDA_PCM_TYPE_HDMI;
  98                 info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
  99                                                         intel_hdmi_pcm_playback;
 100                 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
 101                 info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
 102         }
 103
 104         return 0;
 105 }
 106
 107 static int intel_hdmi_build_controls(struct hda_codec *codec)
 108 {
 109         struct hdmi_spec *spec = codec->spec;
 110         int err;
 111         int i;
 112
 113         for (i = 0; i < codec->num_pcms; i++) {
 114                 err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
 115                 if (err < 0)
 116                         return err;
 117         }
 118
 119         return 0;
 120 }
 121
 122 static int intel_hdmi_init(struct hda_codec *codec)
 123 {
 124         struct hdmi_spec *spec = codec->spec;
 125         int i;
 126
 127         for (i = 0; spec->pin[i]; i++) {
 128                 hdmi_enable_output(codec, spec->pin[i]);
 129                 snd_hda_codec_write(codec, spec->pin[i], 0,
 130                                     AC_VERB_SET_UNSOLICITED_ENABLE,
 131                                     AC_USRSP_EN | spec->pin[i]);
 132         }
 133         return 0;
 134 }
 135
 136 static void intel_hdmi_free(struct hda_codec *codec)
 137 {
 138         struct hdmi_spec *spec = codec->spec;
 139         int i;
 140
 141         for (i = 0; i < spec->num_pins; i++)
 142                 snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
 143
 144         kfree(spec);
 145 }
 146
 147 static struct hda_codec_ops intel_hdmi_patch_ops = {
 148         .init                   = intel_hdmi_init,
 149         .free                   = intel_hdmi_free,
 150         .build_pcms             = intel_hdmi_build_pcms,
 151         .build_controls         = intel_hdmi_build_controls,
 152         .unsol_event            = hdmi_unsol_event,
 153 };
 154
 155 static int patch_intel_hdmi(struct hda_codec *codec)
 156 {
 157         struct hdmi_spec *spec;
 158         int i;
 159
 160         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 161         if (spec == NULL)
 162                 return -ENOMEM;
 163
 164         codec->spec = spec;
 165         if (hdmi_parse_codec(codec) < 0) {
 166                 codec->spec = NULL;
 167                 kfree(spec);
 168                 return -EINVAL;
 169         }
 170         codec->patch_ops = intel_hdmi_patch_ops;
 171
 172         for (i = 0; i < spec->num_pins; i++)
 173                 snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
 174
 175         init_channel_allocations();
 176
 177         return 0;
 178 }
 179
 180 static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
 181 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_intel_hdmi },
 182 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_intel_hdmi },
 183 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_intel_hdmi },
 184 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_intel_hdmi },
 185 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_intel_hdmi },
 186 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_intel_hdmi },
 187 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_intel_hdmi },
 188 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_intel_hdmi },
 189 {} /* terminator */
 190 };
 191
 192 MODULE_ALIAS("snd-hda-codec-id:808629fb");
 193 MODULE_ALIAS("snd-hda-codec-id:80862801");
 194 MODULE_ALIAS("snd-hda-codec-id:80862802");
 195 MODULE_ALIAS("snd-hda-codec-id:80862803");
 196 MODULE_ALIAS("snd-hda-codec-id:80862804");
 197 MODULE_ALIAS("snd-hda-codec-id:80862805");
 198 MODULE_ALIAS("snd-hda-codec-id:80860054");
 199 MODULE_ALIAS("snd-hda-codec-id:10951392");
 200
 201 MODULE_LICENSE("GPL");
 202 MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
 203
 204 static struct hda_codec_preset_list intel_list = {
 205         .preset = snd_hda_preset_intelhdmi,
 206         .owner = THIS_MODULE,
 207 };
 208
 209 static int __init patch_intelhdmi_init(void)
 210 {
 211         return snd_hda_add_codec_preset(&intel_list);
 212 }
 213
 214 static void __exit patch_intelhdmi_exit(void)
 215 {
 216         snd_hda_delete_codec_preset(&intel_list);
 217 }
 218
 219 module_init(patch_intelhdmi_init)
 220 module_exit(patch_intelhdmi_exit)