1 /* 2 * wm9712.c -- ALSA Soc WM9712 codec support 3 * 4 * Copyright 2006-12 Wolfson Microelectronics PLC. 5 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 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 13 #include <linux/init.h> 14 #include <linux/slab.h> 15 #include <linux/module.h> 16 #include <linux/kernel.h> 17 #include <linux/device.h> 18 #include <sound/core.h> 19 #include <sound/pcm.h> 20 #include <sound/ac97_codec.h> 21 #include <sound/initval.h> 22 #include <sound/soc.h> 23 #include <sound/tlv.h> 24 #include "wm9712.h" 25 26 static unsigned int ac97_read(struct snd_soc_codec *codec, 27 unsigned int reg); 28 static int ac97_write(struct snd_soc_codec *codec, 29 unsigned int reg, unsigned int val); 30 31 /* 32 * WM9712 register cache 33 */ 34 static const u16 wm9712_reg[] = { 35 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ 36 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ 37 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ 38 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ 39 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ 40 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ 41 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ 42 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ 43 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ 44 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ 45 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ 46 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ 47 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ 48 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ 49 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ 50 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ 51 0x0000, 0x0000 /* virtual hp mixers */ 52 }; 53 54 /* virtual HP mixers regs */ 55 #define HPL_MIXER 0x80 56 #define HPR_MIXER 0x82 57 58 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 59 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 60 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 61 "Mono"}; 62 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 63 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 64 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 65 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 66 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 67 "Stereo"}; 68 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 69 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 70 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 71 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 72 73 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0); 74 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0); 75 76 static const struct soc_enum wm9712_enum[] = { 77 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), 78 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), 79 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), 80 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), 81 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), 82 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), 83 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), 84 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), 85 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), 86 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), 87 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), 88 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), 89 }; 90 91 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { 92 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), 93 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), 94 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), 95 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), 96 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), 97 98 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), 99 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), 100 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), 101 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), 102 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), 103 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 104 105 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), 106 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), 107 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), 108 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), 109 SOC_ENUM("ALC Function", wm9712_enum[0]), 110 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), 111 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), 112 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), 113 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), 114 SOC_ENUM("ALC NG Type", wm9712_enum[10]), 115 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), 116 117 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), 118 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), 119 120 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), 121 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), 122 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), 123 124 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), 125 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), 126 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), 127 128 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), 129 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), 130 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), 131 132 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), 133 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), 134 135 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv), 136 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1, 137 boost_tlv), 138 139 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 140 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 141 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 142 143 SOC_ENUM("Bass Control", wm9712_enum[5]), 144 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 145 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 146 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 147 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), 148 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), 149 150 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1), 151 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 152 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1), 153 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 154 155 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv), 156 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv), 157 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv), 158 }; 159 160 /* We have to create a fake left and right HP mixers because 161 * the codec only has a single control that is shared by both channels. 162 * This makes it impossible to determine the audio path. 163 */ 164 static int mixer_event(struct snd_soc_dapm_widget *w, 165 struct snd_kcontrol *k, int event) 166 { 167 u16 l, r, beep, line, phone, mic, pcm, aux; 168 169 l = ac97_read(w->codec, HPL_MIXER); 170 r = ac97_read(w->codec, HPR_MIXER); 171 beep = ac97_read(w->codec, AC97_PC_BEEP); 172 mic = ac97_read(w->codec, AC97_VIDEO); 173 phone = ac97_read(w->codec, AC97_PHONE); 174 line = ac97_read(w->codec, AC97_LINE); 175 pcm = ac97_read(w->codec, AC97_PCM); 176 aux = ac97_read(w->codec, AC97_CD); 177 178 if (l & 0x1 || r & 0x1) 179 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff); 180 else 181 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); 182 183 if (l & 0x2 || r & 0x2) 184 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); 185 else 186 ac97_write(w->codec, AC97_PCM, pcm | 0x8000); 187 188 if (l & 0x4 || r & 0x4) 189 ac97_write(w->codec, AC97_LINE, line & 0x7fff); 190 else 191 ac97_write(w->codec, AC97_LINE, line | 0x8000); 192 193 if (l & 0x8 || r & 0x8) 194 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); 195 else 196 ac97_write(w->codec, AC97_PHONE, phone | 0x8000); 197 198 if (l & 0x10 || r & 0x10) 199 ac97_write(w->codec, AC97_CD, aux & 0x7fff); 200 else 201 ac97_write(w->codec, AC97_CD, aux | 0x8000); 202 203 if (l & 0x20 || r & 0x20) 204 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); 205 else 206 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); 207 208 return 0; 209 } 210 211 /* Left Headphone Mixers */ 212 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 213 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0), 214 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0), 215 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0), 216 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0), 217 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0), 218 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0), 219 }; 220 221 /* Right Headphone Mixers */ 222 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 223 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0), 224 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0), 225 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0), 226 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0), 227 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0), 228 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0), 229 }; 230 231 /* Speaker Mixer */ 232 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 233 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 234 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 235 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 236 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 237 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 238 }; 239 240 /* Phone Mixer */ 241 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 242 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 243 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 244 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 245 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 246 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 247 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 248 }; 249 250 /* ALC headphone mux */ 251 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 252 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 253 254 /* out 3 mux */ 255 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 256 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 257 258 /* spk mux */ 259 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 260 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 261 262 /* Capture to Phone mux */ 263 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 264 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 265 266 /* Capture left select */ 267 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 268 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 269 270 /* Capture right select */ 271 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 272 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 273 274 /* Mic select */ 275 static const struct snd_kcontrol_new wm9712_mic_src_controls = 276 SOC_DAPM_ENUM("Route", wm9712_enum[7]); 277 278 /* diff select */ 279 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 280 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 281 282 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 283 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 284 &wm9712_alc_mux_controls), 285 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 286 &wm9712_out3_mux_controls), 287 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 288 &wm9712_spk_mux_controls), 289 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 290 &wm9712_capture_phone_mux_controls), 291 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 292 &wm9712_capture_selectl_controls), 293 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 294 &wm9712_capture_selectr_controls), 295 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0, 296 &wm9712_mic_src_controls), 297 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 298 &wm9712_diff_sel_controls), 299 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 300 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, 301 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), 302 mixer_event, SND_SOC_DAPM_POST_REG), 303 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, 304 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), 305 mixer_event, SND_SOC_DAPM_POST_REG), 306 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 307 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 308 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 309 &wm9712_speaker_mixer_controls[0], 310 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 311 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 312 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 313 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 314 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 315 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 316 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 317 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 318 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 319 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 320 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 321 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 322 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 323 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 324 SND_SOC_DAPM_OUTPUT("MONOOUT"), 325 SND_SOC_DAPM_OUTPUT("HPOUTL"), 326 SND_SOC_DAPM_OUTPUT("HPOUTR"), 327 SND_SOC_DAPM_OUTPUT("LOUT2"), 328 SND_SOC_DAPM_OUTPUT("ROUT2"), 329 SND_SOC_DAPM_OUTPUT("OUT3"), 330 SND_SOC_DAPM_INPUT("LINEINL"), 331 SND_SOC_DAPM_INPUT("LINEINR"), 332 SND_SOC_DAPM_INPUT("PHONE"), 333 SND_SOC_DAPM_INPUT("PCBEEP"), 334 SND_SOC_DAPM_INPUT("MIC1"), 335 SND_SOC_DAPM_INPUT("MIC2"), 336 }; 337 338 static const struct snd_soc_dapm_route wm9712_audio_map[] = { 339 /* virtual mixer - mixes left & right channels for spk and mono */ 340 {"AC97 Mixer", NULL, "Left DAC"}, 341 {"AC97 Mixer", NULL, "Right DAC"}, 342 343 /* Left HP mixer */ 344 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 345 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 346 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 347 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 348 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 349 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 350 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 351 352 /* Right HP mixer */ 353 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 354 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 355 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 356 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 357 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 358 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 359 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 360 361 /* speaker mixer */ 362 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 363 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 364 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 365 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 366 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 367 368 /* Phone mixer */ 369 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 370 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 371 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 372 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 373 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 374 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 375 376 /* inputs */ 377 {"Line PGA", NULL, "LINEINL"}, 378 {"Line PGA", NULL, "LINEINR"}, 379 {"Phone PGA", NULL, "PHONE"}, 380 {"Mic PGA", NULL, "MIC1"}, 381 {"Mic PGA", NULL, "MIC2"}, 382 383 /* left capture selector */ 384 {"Left Capture Select", "Mic", "MIC1"}, 385 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 386 {"Left Capture Select", "Line", "LINEINL"}, 387 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 388 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 389 {"Left Capture Select", "Phone", "PHONE"}, 390 391 /* right capture selector */ 392 {"Right Capture Select", "Mic", "MIC2"}, 393 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 394 {"Right Capture Select", "Line", "LINEINR"}, 395 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 396 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 397 {"Right Capture Select", "Phone", "PHONE"}, 398 399 /* ALC Sidetone */ 400 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 401 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 402 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 403 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 404 405 /* ADC's */ 406 {"Left ADC", NULL, "Left Capture Select"}, 407 {"Right ADC", NULL, "Right Capture Select"}, 408 409 /* outputs */ 410 {"MONOOUT", NULL, "Phone Mixer"}, 411 {"HPOUTL", NULL, "Headphone PGA"}, 412 {"Headphone PGA", NULL, "Left HP Mixer"}, 413 {"HPOUTR", NULL, "Headphone PGA"}, 414 {"Headphone PGA", NULL, "Right HP Mixer"}, 415 416 /* mono mixer */ 417 {"Mono Mixer", NULL, "Left HP Mixer"}, 418 {"Mono Mixer", NULL, "Right HP Mixer"}, 419 420 /* Out3 Mux */ 421 {"Out3 Mux", "Left", "Left HP Mixer"}, 422 {"Out3 Mux", "Mono", "Phone Mixer"}, 423 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 424 {"Out 3 PGA", NULL, "Out3 Mux"}, 425 {"OUT3", NULL, "Out 3 PGA"}, 426 427 /* speaker Mux */ 428 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 429 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 430 {"Speaker PGA", NULL, "Speaker Mux"}, 431 {"LOUT2", NULL, "Speaker PGA"}, 432 {"ROUT2", NULL, "Speaker PGA"}, 433 }; 434 435 static unsigned int ac97_read(struct snd_soc_codec *codec, 436 unsigned int reg) 437 { 438 u16 *cache = codec->reg_cache; 439 440 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 441 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 442 reg == AC97_REC_GAIN) 443 return soc_ac97_ops.read(codec->ac97, reg); 444 else { 445 reg = reg >> 1; 446 447 if (reg >= (ARRAY_SIZE(wm9712_reg))) 448 return -EIO; 449 450 return cache[reg]; 451 } 452 } 453 454 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 455 unsigned int val) 456 { 457 u16 *cache = codec->reg_cache; 458 459 if (reg < 0x7c) 460 soc_ac97_ops.write(codec->ac97, reg, val); 461 reg = reg >> 1; 462 if (reg < (ARRAY_SIZE(wm9712_reg))) 463 cache[reg] = val; 464 465 return 0; 466 } 467 468 static int ac97_prepare(struct snd_pcm_substream *substream, 469 struct snd_soc_dai *dai) 470 { 471 struct snd_soc_codec *codec = dai->codec; 472 int reg; 473 u16 vra; 474 struct snd_pcm_runtime *runtime = substream->runtime; 475 476 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 477 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 478 479 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 480 reg = AC97_PCM_FRONT_DAC_RATE; 481 else 482 reg = AC97_PCM_LR_ADC_RATE; 483 484 return ac97_write(codec, reg, runtime->rate); 485 } 486 487 static int ac97_aux_prepare(struct snd_pcm_substream *substream, 488 struct snd_soc_dai *dai) 489 { 490 struct snd_soc_codec *codec = dai->codec; 491 u16 vra, xsle; 492 struct snd_pcm_runtime *runtime = substream->runtime; 493 494 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 495 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 496 xsle = ac97_read(codec, AC97_PCI_SID); 497 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 498 499 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 500 return -ENODEV; 501 502 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 503 } 504 505 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 506 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 507 SNDRV_PCM_RATE_48000) 508 509 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { 510 .prepare = ac97_prepare, 511 }; 512 513 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { 514 .prepare = ac97_aux_prepare, 515 }; 516 517 static struct snd_soc_dai_driver wm9712_dai[] = { 518 { 519 .name = "wm9712-hifi", 520 .ac97_control = 1, 521 .playback = { 522 .stream_name = "HiFi Playback", 523 .channels_min = 1, 524 .channels_max = 2, 525 .rates = WM9712_AC97_RATES, 526 .formats = SND_SOC_STD_AC97_FMTS,}, 527 .capture = { 528 .stream_name = "HiFi Capture", 529 .channels_min = 1, 530 .channels_max = 2, 531 .rates = WM9712_AC97_RATES, 532 .formats = SND_SOC_STD_AC97_FMTS,}, 533 .ops = &wm9712_dai_ops_hifi, 534 }, 535 { 536 .name = "wm9712-aux", 537 .playback = { 538 .stream_name = "Aux Playback", 539 .channels_min = 1, 540 .channels_max = 1, 541 .rates = WM9712_AC97_RATES, 542 .formats = SND_SOC_STD_AC97_FMTS,}, 543 .ops = &wm9712_dai_ops_aux, 544 } 545 }; 546 547 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 548 enum snd_soc_bias_level level) 549 { 550 switch (level) { 551 case SND_SOC_BIAS_ON: 552 case SND_SOC_BIAS_PREPARE: 553 break; 554 case SND_SOC_BIAS_STANDBY: 555 ac97_write(codec, AC97_POWERDOWN, 0x0000); 556 break; 557 case SND_SOC_BIAS_OFF: 558 /* disable everything including AC link */ 559 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 560 ac97_write(codec, AC97_POWERDOWN, 0xffff); 561 break; 562 } 563 codec->dapm.bias_level = level; 564 return 0; 565 } 566 567 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 568 { 569 if (try_warm && soc_ac97_ops.warm_reset) { 570 soc_ac97_ops.warm_reset(codec->ac97); 571 if (ac97_read(codec, 0) == wm9712_reg[0]) 572 return 1; 573 } 574 575 soc_ac97_ops.reset(codec->ac97); 576 if (soc_ac97_ops.warm_reset) 577 soc_ac97_ops.warm_reset(codec->ac97); 578 if (ac97_read(codec, 0) != wm9712_reg[0]) 579 goto err; 580 return 0; 581 582 err: 583 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 584 return -EIO; 585 } 586 587 static int wm9712_soc_suspend(struct snd_soc_codec *codec) 588 { 589 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF); 590 return 0; 591 } 592 593 static int wm9712_soc_resume(struct snd_soc_codec *codec) 594 { 595 int i, ret; 596 u16 *cache = codec->reg_cache; 597 598 ret = wm9712_reset(codec, 1); 599 if (ret < 0) { 600 printk(KERN_ERR "could not reset AC97 codec\n"); 601 return ret; 602 } 603 604 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 605 606 if (ret == 0) { 607 /* Sync reg_cache with the hardware after cold reset */ 608 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 609 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 610 (i > 0x58 && i != 0x5c)) 611 continue; 612 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); 613 } 614 } 615 616 return ret; 617 } 618 619 static int wm9712_soc_probe(struct snd_soc_codec *codec) 620 { 621 int ret = 0; 622 623 codec->control_data = codec; /* we don't use regmap! */ 624 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 625 if (ret < 0) { 626 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 627 return ret; 628 } 629 630 ret = wm9712_reset(codec, 0); 631 if (ret < 0) { 632 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n"); 633 goto reset_err; 634 } 635 636 /* set alc mux to none */ 637 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 638 639 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 640 snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls, 641 ARRAY_SIZE(wm9712_snd_ac97_controls)); 642 643 return 0; 644 645 reset_err: 646 snd_soc_free_ac97_codec(codec); 647 return ret; 648 } 649 650 static int wm9712_soc_remove(struct snd_soc_codec *codec) 651 { 652 snd_soc_free_ac97_codec(codec); 653 return 0; 654 } 655 656 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = { 657 .probe = wm9712_soc_probe, 658 .remove = wm9712_soc_remove, 659 .suspend = wm9712_soc_suspend, 660 .resume = wm9712_soc_resume, 661 .read = ac97_read, 662 .write = ac97_write, 663 .set_bias_level = wm9712_set_bias_level, 664 .reg_cache_size = ARRAY_SIZE(wm9712_reg), 665 .reg_word_size = sizeof(u16), 666 .reg_cache_step = 2, 667 .reg_cache_default = wm9712_reg, 668 .dapm_widgets = wm9712_dapm_widgets, 669 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets), 670 .dapm_routes = wm9712_audio_map, 671 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), 672 }; 673 674 static __devinit int wm9712_probe(struct platform_device *pdev) 675 { 676 return snd_soc_register_codec(&pdev->dev, 677 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai)); 678 } 679 680 static int __devexit wm9712_remove(struct platform_device *pdev) 681 { 682 snd_soc_unregister_codec(&pdev->dev); 683 return 0; 684 } 685 686 static struct platform_driver wm9712_codec_driver = { 687 .driver = { 688 .name = "wm9712-codec", 689 .owner = THIS_MODULE, 690 }, 691 692 .probe = wm9712_probe, 693 .remove = __devexit_p(wm9712_remove), 694 }; 695 696 module_platform_driver(wm9712_codec_driver); 697 698 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 699 MODULE_AUTHOR("Liam Girdwood"); 700 MODULE_LICENSE("GPL"); 701