USB: ch341: fix termios handling
[linux-2.6/verdex.git] / sound / pci / hda / patch_atihdmi.c
blobfbb8969dc559c50c56bb6f983850d186c637eaba
1 /*
2 * Universal Interface for Intel High Definition Audio Codec
4 * HD audio interface patch for ATI HDMI codecs
6 * Copyright (c) 2006 ATI Technologies Inc.
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 <sound/driver.h>
25 #include <linux/init.h>
26 #include <linux/delay.h>
27 #include <linux/slab.h>
28 #include <sound/core.h>
29 #include "hda_codec.h"
30 #include "hda_local.h"
32 struct atihdmi_spec {
33 struct hda_multi_out multiout;
35 struct hda_pcm pcm_rec;
38 static struct hda_verb atihdmi_basic_init[] = {
39 /* enable digital output on pin widget */
40 { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
41 {} /* terminator */
45 * Controls
47 static int atihdmi_build_controls(struct hda_codec *codec)
49 struct atihdmi_spec *spec = codec->spec;
50 int err;
52 err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
53 if (err < 0)
54 return err;
56 return 0;
59 static int atihdmi_init(struct hda_codec *codec)
61 snd_hda_sequence_write(codec, atihdmi_basic_init);
62 return 0;
66 * Digital out
68 static int atihdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
69 struct hda_codec *codec,
70 struct snd_pcm_substream *substream)
72 struct atihdmi_spec *spec = codec->spec;
73 return snd_hda_multi_out_dig_open(codec, &spec->multiout);
76 static int atihdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
77 struct hda_codec *codec,
78 struct snd_pcm_substream *substream)
80 struct atihdmi_spec *spec = codec->spec;
81 return snd_hda_multi_out_dig_close(codec, &spec->multiout);
84 static int atihdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
85 struct hda_codec *codec,
86 unsigned int stream_tag,
87 unsigned int format,
88 struct snd_pcm_substream *substream)
90 struct atihdmi_spec *spec = codec->spec;
91 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
92 format, substream);
95 static struct hda_pcm_stream atihdmi_pcm_digital_playback = {
96 .substreams = 1,
97 .channels_min = 2,
98 .channels_max = 2,
99 .nid = 0x2, /* NID to query formats and rates and setup streams */
100 .ops = {
101 .open = atihdmi_dig_playback_pcm_open,
102 .close = atihdmi_dig_playback_pcm_close,
103 .prepare = atihdmi_dig_playback_pcm_prepare
107 static int atihdmi_build_pcms(struct hda_codec *codec)
109 struct atihdmi_spec *spec = codec->spec;
110 struct hda_pcm *info = &spec->pcm_rec;
112 codec->num_pcms = 1;
113 codec->pcm_info = info;
115 info->name = "ATI HDMI";
116 info->stream[SNDRV_PCM_STREAM_PLAYBACK] = atihdmi_pcm_digital_playback;
118 return 0;
121 static void atihdmi_free(struct hda_codec *codec)
123 kfree(codec->spec);
126 static struct hda_codec_ops atihdmi_patch_ops = {
127 .build_controls = atihdmi_build_controls,
128 .build_pcms = atihdmi_build_pcms,
129 .init = atihdmi_init,
130 .free = atihdmi_free,
133 static int patch_atihdmi(struct hda_codec *codec)
135 struct atihdmi_spec *spec;
137 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
138 if (spec == NULL)
139 return -ENOMEM;
141 codec->spec = spec;
143 spec->multiout.num_dacs = 0; /* no analog */
144 spec->multiout.max_channels = 2;
145 spec->multiout.dig_out_nid = 0x2; /* NID for copying analog to digital,
146 * seems to be unused in pure-digital
147 * case. */
149 codec->patch_ops = atihdmi_patch_ops;
151 return 0;
155 * patch entries
157 struct hda_codec_preset snd_hda_preset_atihdmi[] = {
158 { .id = 0x1002793c, .name = "ATI RS600 HDMI", .patch = patch_atihdmi },
159 { .id = 0x10027919, .name = "ATI RS600 HDMI", .patch = patch_atihdmi },
160 { .id = 0x1002791a, .name = "ATI RS690/780 HDMI", .patch = patch_atihdmi },
161 { .id = 0x1002aa01, .name = "ATI R600 HDMI", .patch = patch_atihdmi },
162 {} /* terminator */