Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 1 | /* |
| 2 | * stac9766.c -- ALSA SoC STAC9766 codec support |
| 3 | * |
| 4 | * Copyright 2009 Jon Smirl, Digispeaker |
| 5 | * Author: Jon Smirl <jonsmirl@gmail.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License as published by the |
| 9 | * Free Software Foundation; either version 2 of the License, or (at your |
| 10 | * option) any later version. |
| 11 | * |
| 12 | * Features:- |
| 13 | * |
| 14 | * o Support for AC97 Codec, S/PDIF |
| 15 | */ |
| 16 | |
| 17 | #include <linux/init.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 18 | #include <linux/slab.h> |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 19 | #include <linux/module.h> |
| 20 | #include <linux/device.h> |
| 21 | #include <sound/core.h> |
| 22 | #include <sound/pcm.h> |
| 23 | #include <sound/ac97_codec.h> |
| 24 | #include <sound/initval.h> |
| 25 | #include <sound/pcm_params.h> |
| 26 | #include <sound/soc.h> |
| 27 | #include <sound/tlv.h> |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 28 | |
| 29 | #include "stac9766.h" |
| 30 | |
| 31 | #define STAC9766_VERSION "0.10" |
| 32 | |
| 33 | /* |
| 34 | * STAC9766 register cache |
| 35 | */ |
| 36 | static const u16 stac9766_reg[] = { |
| 37 | 0x6A90, 0x8000, 0x8000, 0x8000, /* 6 */ |
| 38 | 0x0000, 0x0000, 0x8008, 0x8008, /* e */ |
| 39 | 0x8808, 0x8808, 0x8808, 0x8808, /* 16 */ |
| 40 | 0x8808, 0x0000, 0x8000, 0x0000, /* 1e */ |
| 41 | 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ |
| 42 | 0x0a05, 0x0400, 0xbb80, 0x0000, /* 2e */ |
| 43 | 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ |
| 44 | 0x0000, 0x2000, 0x0000, 0x0100, /* 3e */ |
| 45 | 0x0000, 0x0000, 0x0080, 0x0000, /* 46 */ |
| 46 | 0x0000, 0x0000, 0x0003, 0xffff, /* 4e */ |
| 47 | 0x0000, 0x0000, 0x0000, 0x0000, /* 56 */ |
| 48 | 0x4000, 0x0000, 0x0000, 0x0000, /* 5e */ |
| 49 | 0x1201, 0xFFFF, 0xFFFF, 0x0000, /* 66 */ |
| 50 | 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ |
| 51 | 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ |
| 52 | 0x0000, 0x0000, 0x0000, 0x0000, /* 7e */ |
| 53 | }; |
| 54 | |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 55 | static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX", |
| 56 | "Line", "Stereo Mix", "Mono Mix", "Phone"}; |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 57 | static const char *stac9766_mono_mux[] = {"Mix", "Mic"}; |
| 58 | static const char *stac9766_mic_mux[] = {"Mic1", "Mic2"}; |
| 59 | static const char *stac9766_SPDIF_mux[] = {"PCM", "ADC Record"}; |
| 60 | static const char *stac9766_popbypass_mux[] = {"Normal", "Bypass Mixer"}; |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 61 | static const char *stac9766_record_all_mux[] = {"All analog", |
| 62 | "Analog plus DAC"}; |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 63 | static const char *stac9766_boost1[] = {"0dB", "10dB"}; |
| 64 | static const char *stac9766_boost2[] = {"0dB", "20dB"}; |
| 65 | static const char *stac9766_stereo_mic[] = {"Off", "On"}; |
| 66 | |
| 67 | static const struct soc_enum stac9766_record_enum = |
| 68 | SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 8, stac9766_record_mux); |
| 69 | static const struct soc_enum stac9766_mono_enum = |
| 70 | SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 9, 2, stac9766_mono_mux); |
| 71 | static const struct soc_enum stac9766_mic_enum = |
| 72 | SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 8, 2, stac9766_mic_mux); |
| 73 | static const struct soc_enum stac9766_SPDIF_enum = |
| 74 | SOC_ENUM_SINGLE(AC97_STAC_DA_CONTROL, 1, 2, stac9766_SPDIF_mux); |
| 75 | static const struct soc_enum stac9766_popbypass_enum = |
| 76 | SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, stac9766_popbypass_mux); |
| 77 | static const struct soc_enum stac9766_record_all_enum = |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 78 | SOC_ENUM_SINGLE(AC97_STAC_ANALOG_SPECIAL, 12, 2, |
| 79 | stac9766_record_all_mux); |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 80 | static const struct soc_enum stac9766_boost1_enum = |
| 81 | SOC_ENUM_SINGLE(AC97_MIC, 6, 2, stac9766_boost1); /* 0/10dB */ |
| 82 | static const struct soc_enum stac9766_boost2_enum = |
| 83 | SOC_ENUM_SINGLE(AC97_STAC_ANALOG_SPECIAL, 2, 2, stac9766_boost2); /* 0/20dB */ |
| 84 | static const struct soc_enum stac9766_stereo_mic_enum = |
| 85 | SOC_ENUM_SINGLE(AC97_STAC_STEREO_MIC, 2, 1, stac9766_stereo_mic); |
| 86 | |
| 87 | static const DECLARE_TLV_DB_LINEAR(master_tlv, -4600, 0); |
| 88 | static const DECLARE_TLV_DB_LINEAR(record_tlv, 0, 2250); |
| 89 | static const DECLARE_TLV_DB_LINEAR(beep_tlv, -4500, 0); |
| 90 | static const DECLARE_TLV_DB_LINEAR(mix_tlv, -3450, 1200); |
| 91 | |
| 92 | static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = { |
| 93 | SOC_DOUBLE_TLV("Speaker Volume", AC97_MASTER, 8, 0, 31, 1, master_tlv), |
| 94 | SOC_SINGLE("Speaker Switch", AC97_MASTER, 15, 1, 1), |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 95 | SOC_DOUBLE_TLV("Headphone Volume", AC97_HEADPHONE, 8, 0, 31, 1, |
| 96 | master_tlv), |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 97 | SOC_SINGLE("Headphone Switch", AC97_HEADPHONE, 15, 1, 1), |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 98 | SOC_SINGLE_TLV("Mono Out Volume", AC97_MASTER_MONO, 0, 31, 1, |
| 99 | master_tlv), |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 100 | SOC_SINGLE("Mono Out Switch", AC97_MASTER_MONO, 15, 1, 1), |
| 101 | |
| 102 | SOC_DOUBLE_TLV("Record Volume", AC97_REC_GAIN, 8, 0, 15, 0, record_tlv), |
| 103 | SOC_SINGLE("Record Switch", AC97_REC_GAIN, 15, 1, 1), |
| 104 | |
| 105 | |
| 106 | SOC_SINGLE_TLV("Beep Volume", AC97_PC_BEEP, 1, 15, 1, beep_tlv), |
| 107 | SOC_SINGLE("Beep Switch", AC97_PC_BEEP, 15, 1, 1), |
| 108 | SOC_SINGLE("Beep Frequency", AC97_PC_BEEP, 5, 127, 1), |
| 109 | SOC_SINGLE_TLV("Phone Volume", AC97_PHONE, 0, 31, 1, mix_tlv), |
| 110 | SOC_SINGLE("Phone Switch", AC97_PHONE, 15, 1, 1), |
| 111 | |
| 112 | SOC_ENUM("Mic Boost1", stac9766_boost1_enum), |
| 113 | SOC_ENUM("Mic Boost2", stac9766_boost2_enum), |
| 114 | SOC_SINGLE_TLV("Mic Volume", AC97_MIC, 0, 31, 1, mix_tlv), |
| 115 | SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), |
| 116 | SOC_ENUM("Stereo Mic", stac9766_stereo_mic_enum), |
| 117 | |
| 118 | SOC_DOUBLE_TLV("Line Volume", AC97_LINE, 8, 0, 31, 1, mix_tlv), |
| 119 | SOC_SINGLE("Line Switch", AC97_LINE, 15, 1, 1), |
| 120 | SOC_DOUBLE_TLV("CD Volume", AC97_CD, 8, 0, 31, 1, mix_tlv), |
| 121 | SOC_SINGLE("CD Switch", AC97_CD, 15, 1, 1), |
| 122 | SOC_DOUBLE_TLV("AUX Volume", AC97_AUX, 8, 0, 31, 1, mix_tlv), |
| 123 | SOC_SINGLE("AUX Switch", AC97_AUX, 15, 1, 1), |
| 124 | SOC_DOUBLE_TLV("Video Volume", AC97_VIDEO, 8, 0, 31, 1, mix_tlv), |
| 125 | SOC_SINGLE("Video Switch", AC97_VIDEO, 15, 1, 1), |
| 126 | |
| 127 | SOC_DOUBLE_TLV("DAC Volume", AC97_PCM, 8, 0, 31, 1, mix_tlv), |
| 128 | SOC_SINGLE("DAC Switch", AC97_PCM, 15, 1, 1), |
| 129 | SOC_SINGLE("Loopback Test Switch", AC97_GENERAL_PURPOSE, 7, 1, 0), |
| 130 | SOC_SINGLE("3D Volume", AC97_3D_CONTROL, 3, 2, 1), |
| 131 | SOC_SINGLE("3D Switch", AC97_GENERAL_PURPOSE, 13, 1, 0), |
| 132 | |
| 133 | SOC_ENUM("SPDIF Mux", stac9766_SPDIF_enum), |
| 134 | SOC_ENUM("Mic1/2 Mux", stac9766_mic_enum), |
| 135 | SOC_ENUM("Record All Mux", stac9766_record_all_enum), |
| 136 | SOC_ENUM("Record Mux", stac9766_record_enum), |
| 137 | SOC_ENUM("Mono Mux", stac9766_mono_enum), |
| 138 | SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum), |
| 139 | }; |
| 140 | |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 141 | static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg, |
| 142 | unsigned int val) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 143 | { |
| 144 | u16 *cache = codec->reg_cache; |
| 145 | |
| 146 | if (reg > AC97_STAC_PAGE0) { |
| 147 | stac9766_ac97_write(codec, AC97_INT_PAGING, 0); |
| 148 | soc_ac97_ops.write(codec->ac97, reg, val); |
| 149 | stac9766_ac97_write(codec, AC97_INT_PAGING, 1); |
| 150 | return 0; |
| 151 | } |
Roel Kluin | 33e319f | 2009-07-13 02:20:10 +0200 | [diff] [blame] | 152 | if (reg / 2 >= ARRAY_SIZE(stac9766_reg)) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 153 | return -EIO; |
| 154 | |
| 155 | soc_ac97_ops.write(codec->ac97, reg, val); |
| 156 | cache[reg / 2] = val; |
| 157 | return 0; |
| 158 | } |
| 159 | |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 160 | static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec, |
| 161 | unsigned int reg) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 162 | { |
| 163 | u16 val = 0, *cache = codec->reg_cache; |
| 164 | |
| 165 | if (reg > AC97_STAC_PAGE0) { |
| 166 | stac9766_ac97_write(codec, AC97_INT_PAGING, 0); |
| 167 | val = soc_ac97_ops.read(codec->ac97, reg - AC97_STAC_PAGE0); |
| 168 | stac9766_ac97_write(codec, AC97_INT_PAGING, 1); |
| 169 | return val; |
| 170 | } |
Roel Kluin | 33e319f | 2009-07-13 02:20:10 +0200 | [diff] [blame] | 171 | if (reg / 2 >= ARRAY_SIZE(stac9766_reg)) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 172 | return -EIO; |
| 173 | |
| 174 | if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || |
| 175 | reg == AC97_INT_PAGING || reg == AC97_VENDOR_ID1 || |
| 176 | reg == AC97_VENDOR_ID2) { |
| 177 | |
| 178 | val = soc_ac97_ops.read(codec->ac97, reg); |
| 179 | return val; |
| 180 | } |
| 181 | return cache[reg / 2]; |
| 182 | } |
| 183 | |
| 184 | static int ac97_analog_prepare(struct snd_pcm_substream *substream, |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 185 | struct snd_soc_dai *dai) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 186 | { |
| 187 | struct snd_soc_codec *codec = dai->codec; |
| 188 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 189 | unsigned short reg, vra; |
| 190 | |
| 191 | vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); |
| 192 | |
| 193 | vra |= 0x1; /* enable variable rate audio */ |
Jon Smirl | 75b46c1 | 2009-12-15 20:53:44 -0500 | [diff] [blame] | 194 | vra &= ~0x4; /* disable SPDIF output */ |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 195 | |
| 196 | stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); |
| 197 | |
| 198 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 199 | reg = AC97_PCM_FRONT_DAC_RATE; |
| 200 | else |
| 201 | reg = AC97_PCM_LR_ADC_RATE; |
| 202 | |
| 203 | return stac9766_ac97_write(codec, reg, runtime->rate); |
| 204 | } |
| 205 | |
| 206 | static int ac97_digital_prepare(struct snd_pcm_substream *substream, |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 207 | struct snd_soc_dai *dai) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 208 | { |
| 209 | struct snd_soc_codec *codec = dai->codec; |
| 210 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 211 | unsigned short reg, vra; |
| 212 | |
| 213 | stac9766_ac97_write(codec, AC97_SPDIF, 0x2002); |
| 214 | |
| 215 | vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); |
| 216 | vra |= 0x5; /* Enable VRA and SPDIF out */ |
| 217 | |
| 218 | stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); |
| 219 | |
| 220 | reg = AC97_PCM_FRONT_DAC_RATE; |
| 221 | |
| 222 | return stac9766_ac97_write(codec, reg, runtime->rate); |
| 223 | } |
| 224 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 225 | static int stac9766_set_bias_level(struct snd_soc_codec *codec, |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 226 | enum snd_soc_bias_level level) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 227 | { |
| 228 | switch (level) { |
| 229 | case SND_SOC_BIAS_ON: /* full On */ |
| 230 | case SND_SOC_BIAS_PREPARE: /* partial On */ |
| 231 | case SND_SOC_BIAS_STANDBY: /* Off, with power */ |
| 232 | stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000); |
| 233 | break; |
| 234 | case SND_SOC_BIAS_OFF: /* Off, without power */ |
| 235 | /* disable everything including AC link */ |
| 236 | stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff); |
| 237 | break; |
| 238 | } |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 239 | codec->dapm.bias_level = level; |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 240 | return 0; |
| 241 | } |
| 242 | |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 243 | static int stac9766_reset(struct snd_soc_codec *codec, int try_warm) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 244 | { |
| 245 | if (try_warm && soc_ac97_ops.warm_reset) { |
| 246 | soc_ac97_ops.warm_reset(codec->ac97); |
| 247 | if (stac9766_ac97_read(codec, 0) == stac9766_reg[0]) |
| 248 | return 1; |
| 249 | } |
| 250 | |
| 251 | soc_ac97_ops.reset(codec->ac97); |
| 252 | if (soc_ac97_ops.warm_reset) |
| 253 | soc_ac97_ops.warm_reset(codec->ac97); |
| 254 | if (stac9766_ac97_read(codec, 0) != stac9766_reg[0]) |
| 255 | return -EIO; |
| 256 | return 0; |
| 257 | } |
| 258 | |
Lars-Peter Clausen | 84b315e | 2011-12-02 10:18:28 +0100 | [diff] [blame] | 259 | static int stac9766_codec_suspend(struct snd_soc_codec *codec) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 260 | { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 261 | stac9766_set_bias_level(codec, SND_SOC_BIAS_OFF); |
| 262 | return 0; |
| 263 | } |
| 264 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 265 | static int stac9766_codec_resume(struct snd_soc_codec *codec) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 266 | { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 267 | u16 id, reset; |
| 268 | |
| 269 | reset = 0; |
| 270 | /* give the codec an AC97 warm reset to start the link */ |
| 271 | reset: |
| 272 | if (reset > 5) { |
| 273 | printk(KERN_ERR "stac9766 failed to resume"); |
| 274 | return -EIO; |
| 275 | } |
| 276 | codec->ac97->bus->ops->warm_reset(codec->ac97); |
| 277 | id = soc_ac97_ops.read(codec->ac97, AC97_VENDOR_ID2); |
| 278 | if (id != 0x4c13) { |
| 279 | stac9766_reset(codec, 0); |
| 280 | reset++; |
| 281 | goto reset; |
| 282 | } |
| 283 | stac9766_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 284 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 285 | return 0; |
| 286 | } |
| 287 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 288 | static const struct snd_soc_dai_ops stac9766_dai_ops_analog = { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 289 | .prepare = ac97_analog_prepare, |
| 290 | }; |
| 291 | |
Lars-Peter Clausen | 85e7652 | 2011-11-23 11:40:40 +0100 | [diff] [blame] | 292 | static const struct snd_soc_dai_ops stac9766_dai_ops_digital = { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 293 | .prepare = ac97_digital_prepare, |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 294 | }; |
| 295 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 296 | static struct snd_soc_dai_driver stac9766_dai[] = { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 297 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 298 | .name = "stac9766-hifi-analog", |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 299 | .ac97_control = 1, |
| 300 | |
| 301 | /* stream cababilities */ |
| 302 | .playback = { |
| 303 | .stream_name = "stac9766 analog", |
| 304 | .channels_min = 1, |
| 305 | .channels_max = 2, |
| 306 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 307 | .formats = SND_SOC_STD_AC97_FMTS, |
| 308 | }, |
| 309 | .capture = { |
| 310 | .stream_name = "stac9766 analog", |
| 311 | .channels_min = 1, |
| 312 | .channels_max = 2, |
| 313 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 314 | .formats = SND_SOC_STD_AC97_FMTS, |
| 315 | }, |
| 316 | /* alsa ops */ |
| 317 | .ops = &stac9766_dai_ops_analog, |
| 318 | }, |
| 319 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 320 | .name = "stac9766-hifi-IEC958", |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 321 | .ac97_control = 1, |
| 322 | |
| 323 | /* stream cababilities */ |
| 324 | .playback = { |
| 325 | .stream_name = "stac9766 IEC958", |
| 326 | .channels_min = 1, |
| 327 | .channels_max = 2, |
| 328 | .rates = SNDRV_PCM_RATE_32000 | \ |
| 329 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, |
| 330 | .formats = SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE, |
| 331 | }, |
| 332 | /* alsa ops */ |
| 333 | .ops = &stac9766_dai_ops_digital, |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 334 | } |
| 335 | }; |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 336 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 337 | static int stac9766_codec_probe(struct snd_soc_codec *codec) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 338 | { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 339 | int ret = 0; |
| 340 | |
| 341 | printk(KERN_INFO "STAC9766 SoC Audio Codec %s\n", STAC9766_VERSION); |
| 342 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 343 | ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); |
| 344 | if (ret < 0) |
| 345 | goto codec_err; |
| 346 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 347 | /* do a cold reset for the controller and then try |
| 348 | * a warm reset followed by an optional cold reset for codec */ |
| 349 | stac9766_reset(codec, 0); |
| 350 | ret = stac9766_reset(codec, 1); |
| 351 | if (ret < 0) { |
| 352 | printk(KERN_ERR "Failed to reset STAC9766: AC97 link error\n"); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 353 | goto codec_err; |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | stac9766_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| 357 | |
Liam Girdwood | 022658b | 2012-02-03 17:43:09 +0000 | [diff] [blame] | 358 | snd_soc_add_codec_controls(codec, stac9766_snd_ac97_controls, |
Mark Brown | 05e1efa | 2009-05-24 13:32:24 +0100 | [diff] [blame] | 359 | ARRAY_SIZE(stac9766_snd_ac97_controls)); |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 360 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 361 | return 0; |
| 362 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 363 | codec_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 364 | snd_soc_free_ac97_codec(codec); |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 365 | return ret; |
| 366 | } |
| 367 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 368 | static int stac9766_codec_remove(struct snd_soc_codec *codec) |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 369 | { |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 370 | snd_soc_free_ac97_codec(codec); |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 371 | return 0; |
| 372 | } |
| 373 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 374 | static struct snd_soc_codec_driver soc_codec_dev_stac9766 = { |
| 375 | .write = stac9766_ac97_write, |
| 376 | .read = stac9766_ac97_read, |
| 377 | .set_bias_level = stac9766_set_bias_level, |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 378 | .probe = stac9766_codec_probe, |
| 379 | .remove = stac9766_codec_remove, |
| 380 | .suspend = stac9766_codec_suspend, |
| 381 | .resume = stac9766_codec_resume, |
Axel Lin | f031efe | 2011-12-05 10:06:04 +0800 | [diff] [blame] | 382 | .reg_cache_size = ARRAY_SIZE(stac9766_reg), |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 383 | .reg_word_size = sizeof(u16), |
| 384 | .reg_cache_step = 2, |
Axel Lin | 13a2e06 | 2010-11-22 08:20:54 +0800 | [diff] [blame] | 385 | .reg_cache_default = stac9766_reg, |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 386 | }; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 387 | |
| 388 | static __devinit int stac9766_probe(struct platform_device *pdev) |
| 389 | { |
| 390 | return snd_soc_register_codec(&pdev->dev, |
| 391 | &soc_codec_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai)); |
| 392 | } |
| 393 | |
| 394 | static int __devexit stac9766_remove(struct platform_device *pdev) |
| 395 | { |
| 396 | snd_soc_unregister_codec(&pdev->dev); |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | static struct platform_driver stac9766_codec_driver = { |
| 401 | .driver = { |
| 402 | .name = "stac9766-codec", |
| 403 | .owner = THIS_MODULE, |
| 404 | }, |
| 405 | |
| 406 | .probe = stac9766_probe, |
| 407 | .remove = __devexit_p(stac9766_remove), |
| 408 | }; |
| 409 | |
Mark Brown | 5bbcc3c | 2011-11-23 22:52:08 +0000 | [diff] [blame] | 410 | module_platform_driver(stac9766_codec_driver); |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 411 | |
Jon Smirl | 3c166c7 | 2009-05-23 19:13:07 -0400 | [diff] [blame] | 412 | MODULE_DESCRIPTION("ASoC stac9766 driver"); |
| 413 | MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); |
| 414 | MODULE_LICENSE("GPL"); |