Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireles...
[linux-2.6] / sound / pci / hda / patch_atihdmi.c
1 /*
2  * Universal Interface for Intel High Definition Audio Codec
3  *
4  * HD audio interface patch for ATI HDMI codecs
5  *
6  * Copyright (c) 2006 ATI Technologies Inc.
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/delay.h>
26 #include <linux/slab.h>
27 #include <sound/core.h>
28 #include "hda_codec.h"
29 #include "hda_local.h"
30 #include "hda_patch.h"
31
32 struct atihdmi_spec {
33         struct hda_multi_out multiout;
34
35         struct hda_pcm pcm_rec;
36 };
37
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 */
42 };
43
44 /*
45  * Controls
46  */
47 static int atihdmi_build_controls(struct hda_codec *codec)
48 {
49         struct atihdmi_spec *spec = codec->spec;
50         int err;
51
52         err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
53         if (err < 0)
54                 return err;
55
56         return 0;
57 }
58
59 static int atihdmi_init(struct hda_codec *codec)
60 {
61         snd_hda_sequence_write(codec, atihdmi_basic_init);
62         /* SI codec requires to unmute the pin */
63         if (get_wcaps(codec, 0x03) & AC_WCAP_OUT_AMP)
64                 snd_hda_codec_write(codec, 0x03, 0, AC_VERB_SET_AMP_GAIN_MUTE,
65                                     AMP_OUT_UNMUTE);
66         return 0;
67 }
68
69 /*
70  * Digital out
71  */
72 static int atihdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
73                                      struct hda_codec *codec,
74                                      struct snd_pcm_substream *substream)
75 {
76         struct atihdmi_spec *spec = codec->spec;
77         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
78 }
79
80 static int atihdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
81                                       struct hda_codec *codec,
82                                       struct snd_pcm_substream *substream)
83 {
84         struct atihdmi_spec *spec = codec->spec;
85         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
86 }
87
88 static int atihdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
89                                             struct hda_codec *codec,
90                                             unsigned int stream_tag,
91                                             unsigned int format,
92                                             struct snd_pcm_substream *substream)
93 {
94         struct atihdmi_spec *spec = codec->spec;
95         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
96                                              format, substream);
97 }
98
99 static struct hda_pcm_stream atihdmi_pcm_digital_playback = {
100         .substreams = 1,
101         .channels_min = 2,
102         .channels_max = 2,
103         .nid = 0x2, /* NID to query formats and rates and setup streams */
104         .ops = {
105                 .open = atihdmi_dig_playback_pcm_open,
106                 .close = atihdmi_dig_playback_pcm_close,
107                 .prepare = atihdmi_dig_playback_pcm_prepare
108         },
109 };
110
111 static int atihdmi_build_pcms(struct hda_codec *codec)
112 {
113         struct atihdmi_spec *spec = codec->spec;
114         struct hda_pcm *info = &spec->pcm_rec;
115
116         codec->num_pcms = 1;
117         codec->pcm_info = info;
118
119         info->name = "ATI HDMI";
120         info->pcm_type = HDA_PCM_TYPE_HDMI;
121         info->stream[SNDRV_PCM_STREAM_PLAYBACK] = atihdmi_pcm_digital_playback;
122
123         return 0;
124 }
125
126 static void atihdmi_free(struct hda_codec *codec)
127 {
128         kfree(codec->spec);
129 }
130
131 static struct hda_codec_ops atihdmi_patch_ops = {
132         .build_controls = atihdmi_build_controls,
133         .build_pcms = atihdmi_build_pcms,
134         .init = atihdmi_init,
135         .free = atihdmi_free,
136 };
137
138 static int patch_atihdmi(struct hda_codec *codec)
139 {
140         struct atihdmi_spec *spec;
141
142         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
143         if (spec == NULL)
144                 return -ENOMEM;
145
146         codec->spec = spec;
147
148         spec->multiout.num_dacs = 0;      /* no analog */
149         spec->multiout.max_channels = 2;
150         spec->multiout.dig_out_nid = 0x2; /* NID for copying analog to digital,
151                                            * seems to be unused in pure-digital
152                                            * case. */
153
154         codec->patch_ops = atihdmi_patch_ops;
155
156         return 0;
157 }
158
159 /*
160  * patch entries
161  */
162 struct hda_codec_preset snd_hda_preset_atihdmi[] = {
163         { .id = 0x1002793c, .name = "ATI RS600 HDMI", .patch = patch_atihdmi },
164         { .id = 0x10027919, .name = "ATI RS600 HDMI", .patch = patch_atihdmi },
165         { .id = 0x1002791a, .name = "ATI RS690/780 HDMI", .patch = patch_atihdmi },
166         { .id = 0x1002aa01, .name = "ATI R6xx HDMI", .patch = patch_atihdmi },
167         { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_atihdmi },
168         { .id = 0x17e80047, .name = "Chrontel HDMI",  .patch = patch_atihdmi },
169         {} /* terminator */
170 };