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