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778b6e1b FK |
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 <sound/driver.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/slab.h> | |
778b6e1b FK |
28 | #include <sound/core.h> |
29 | #include "hda_codec.h" | |
30 | #include "hda_local.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 | return 0; | |
63 | } | |
64 | ||
65 | #ifdef CONFIG_PM | |
66 | /* | |
67 | * resume | |
68 | */ | |
69 | static int atihdmi_resume(struct hda_codec *codec) | |
70 | { | |
71 | atihdmi_init(codec); | |
72 | snd_hda_resume_spdif_out(codec); | |
73 | ||
74 | return 0; | |
75 | } | |
76 | #endif | |
77 | ||
78 | /* | |
79 | * Digital out | |
80 | */ | |
81 | static int atihdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo, | |
82 | struct hda_codec *codec, | |
83 | struct snd_pcm_substream *substream) | |
84 | { | |
85 | struct atihdmi_spec *spec = codec->spec; | |
86 | return snd_hda_multi_out_dig_open(codec, &spec->multiout); | |
87 | } | |
88 | ||
89 | static int atihdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo, | |
90 | struct hda_codec *codec, | |
91 | struct snd_pcm_substream *substream) | |
92 | { | |
93 | struct atihdmi_spec *spec = codec->spec; | |
94 | return snd_hda_multi_out_dig_close(codec, &spec->multiout); | |
95 | } | |
96 | ||
97 | static struct hda_pcm_stream atihdmi_pcm_digital_playback = { | |
98 | .substreams = 1, | |
99 | .channels_min = 2, | |
100 | .channels_max = 2, | |
101 | .nid = 0x2, /* NID to query formats and rates and setup streams */ | |
102 | .ops = { | |
103 | .open = atihdmi_dig_playback_pcm_open, | |
104 | .close = atihdmi_dig_playback_pcm_close | |
105 | }, | |
106 | }; | |
107 | ||
108 | static int atihdmi_build_pcms(struct hda_codec *codec) | |
109 | { | |
110 | struct atihdmi_spec *spec = codec->spec; | |
111 | struct hda_pcm *info = &spec->pcm_rec; | |
112 | ||
113 | codec->num_pcms = 1; | |
114 | codec->pcm_info = info; | |
115 | ||
116 | info->name = "ATI HDMI"; | |
117 | info->stream[SNDRV_PCM_STREAM_PLAYBACK] = atihdmi_pcm_digital_playback; | |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
122 | static void atihdmi_free(struct hda_codec *codec) | |
123 | { | |
124 | kfree(codec->spec); | |
125 | } | |
126 | ||
127 | static struct hda_codec_ops atihdmi_patch_ops = { | |
128 | .build_controls = atihdmi_build_controls, | |
129 | .build_pcms = atihdmi_build_pcms, | |
130 | .init = atihdmi_init, | |
131 | .free = atihdmi_free, | |
132 | #ifdef CONFIG_PM | |
133 | .resume = atihdmi_resume, | |
134 | #endif | |
135 | }; | |
136 | ||
137 | static int patch_atihdmi(struct hda_codec *codec) | |
138 | { | |
139 | struct atihdmi_spec *spec; | |
140 | ||
141 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); | |
142 | if (spec == NULL) | |
143 | return -ENOMEM; | |
144 | ||
145 | codec->spec = spec; | |
146 | ||
147 | spec->multiout.num_dacs = 0; /* no analog */ | |
148 | spec->multiout.max_channels = 2; | |
149 | spec->multiout.dig_out_nid = 0x2; /* NID for copying analog to digital, | |
150 | * seems to be unused in pure-digital | |
151 | * case. */ | |
152 | ||
153 | codec->patch_ops = atihdmi_patch_ops; | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | /* | |
159 | * patch entries | |
160 | */ | |
161 | struct hda_codec_preset snd_hda_preset_atihdmi[] = { | |
162 | { .id = 0x1002793c, .name = "ATI RS600 HDMI", .patch = patch_atihdmi }, | |
5b15c95f | 163 | { .id = 0x1002791a, .name = "ATI RS690 HDMI", .patch = patch_atihdmi }, |
778b6e1b FK |
164 | {} /* terminator */ |
165 | }; |