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 #define WM9712_VERSION "0.4" 26 27 static unsigned int ac97_read(struct snd_soc_codec *codec, 28 unsigned int reg); 29 static int ac97_write(struct snd_soc_codec *codec, 30 unsigned int reg, unsigned int val); 31 32 /* 33 * WM9712 register cache 34 */ 35 static const u16 wm9712_reg[] = { 36 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ 37 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ 38 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ 39 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ 40 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ 41 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ 42 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ 43 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ 44 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ 45 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ 46 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ 47 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ 48 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ 49 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ 50 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ 51 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ 52 0x0000, 0x0000 /* virtual hp mixers */ 53 }; 54 55 /* virtual HP mixers regs */ 56 #define HPL_MIXER 0x80 57 #define HPR_MIXER 0x82 58 59 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 60 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 61 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 62 "Mono"}; 63 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 64 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 65 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 66 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 67 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 68 "Stereo"}; 69 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 70 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 71 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 72 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 73 74 static const struct soc_enum wm9712_enum[] = { 75 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), 76 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), 77 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), 78 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), 79 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), 80 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), 81 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), 82 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), 83 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), 84 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), 85 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), 86 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), 87 }; 88 89 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { 90 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), 91 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), 92 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), 93 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), 94 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), 95 96 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), 97 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), 98 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), 99 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), 100 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), 101 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 102 103 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), 104 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), 105 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), 106 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), 107 SOC_ENUM("ALC Function", wm9712_enum[0]), 108 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), 109 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), 110 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), 111 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), 112 SOC_ENUM("ALC NG Type", wm9712_enum[10]), 113 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), 114 115 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), 116 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), 117 118 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), 119 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), 120 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), 121 122 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), 123 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), 124 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), 125 126 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), 127 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), 128 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), 129 130 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), 131 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), 132 133 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0), 134 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1), 135 136 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 137 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 138 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 139 140 SOC_ENUM("Bass Control", wm9712_enum[5]), 141 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 142 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 143 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 144 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), 145 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), 146 147 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1), 148 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 149 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1), 150 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 151 152 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), 153 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), 154 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0), 155 }; 156 157 /* We have to create a fake left and right HP mixers because 158 * the codec only has a single control that is shared by both channels. 159 * This makes it impossible to determine the audio path. 160 */ 161 static int mixer_event(struct snd_soc_dapm_widget *w, 162 struct snd_kcontrol *k, int event) 163 { 164 u16 l, r, beep, line, phone, mic, pcm, aux; 165 166 l = ac97_read(w->codec, HPL_MIXER); 167 r = ac97_read(w->codec, HPR_MIXER); 168 beep = ac97_read(w->codec, AC97_PC_BEEP); 169 mic = ac97_read(w->codec, AC97_VIDEO); 170 phone = ac97_read(w->codec, AC97_PHONE); 171 line = ac97_read(w->codec, AC97_LINE); 172 pcm = ac97_read(w->codec, AC97_PCM); 173 aux = ac97_read(w->codec, AC97_CD); 174 175 if (l & 0x1 || r & 0x1) 176 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff); 177 else 178 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); 179 180 if (l & 0x2 || r & 0x2) 181 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); 182 else 183 ac97_write(w->codec, AC97_PCM, pcm | 0x8000); 184 185 if (l & 0x4 || r & 0x4) 186 ac97_write(w->codec, AC97_LINE, line & 0x7fff); 187 else 188 ac97_write(w->codec, AC97_LINE, line | 0x8000); 189 190 if (l & 0x8 || r & 0x8) 191 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); 192 else 193 ac97_write(w->codec, AC97_PHONE, phone | 0x8000); 194 195 if (l & 0x10 || r & 0x10) 196 ac97_write(w->codec, AC97_CD, aux & 0x7fff); 197 else 198 ac97_write(w->codec, AC97_CD, aux | 0x8000); 199 200 if (l & 0x20 || r & 0x20) 201 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); 202 else 203 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); 204 205 return 0; 206 } 207 208 /* Left Headphone Mixers */ 209 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 210 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0), 211 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0), 212 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0), 213 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0), 214 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0), 215 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0), 216 }; 217 218 /* Right Headphone Mixers */ 219 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 220 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0), 221 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0), 222 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0), 223 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0), 224 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0), 225 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0), 226 }; 227 228 /* Speaker Mixer */ 229 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 230 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 231 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 232 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 233 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 234 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 235 }; 236 237 /* Phone Mixer */ 238 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 239 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 240 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 241 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 242 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 243 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 244 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 245 }; 246 247 /* ALC headphone mux */ 248 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 249 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 250 251 /* out 3 mux */ 252 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 253 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 254 255 /* spk mux */ 256 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 257 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 258 259 /* Capture to Phone mux */ 260 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 261 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 262 263 /* Capture left select */ 264 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 265 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 266 267 /* Capture right select */ 268 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 269 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 270 271 /* Mic select */ 272 static const struct snd_kcontrol_new wm9712_mic_src_controls = 273 SOC_DAPM_ENUM("Route", wm9712_enum[7]); 274 275 /* diff select */ 276 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 277 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 278 279 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 280 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 281 &wm9712_alc_mux_controls), 282 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 283 &wm9712_out3_mux_controls), 284 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 285 &wm9712_spk_mux_controls), 286 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 287 &wm9712_capture_phone_mux_controls), 288 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 289 &wm9712_capture_selectl_controls), 290 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 291 &wm9712_capture_selectr_controls), 292 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0, 293 &wm9712_mic_src_controls), 294 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 295 &wm9712_diff_sel_controls), 296 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 297 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, 298 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), 299 mixer_event, SND_SOC_DAPM_POST_REG), 300 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, 301 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), 302 mixer_event, SND_SOC_DAPM_POST_REG), 303 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 304 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 305 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 306 &wm9712_speaker_mixer_controls[0], 307 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 308 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 309 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 310 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 311 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 312 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 313 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 314 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 315 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 316 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 317 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 318 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 319 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 320 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 321 SND_SOC_DAPM_OUTPUT("MONOOUT"), 322 SND_SOC_DAPM_OUTPUT("HPOUTL"), 323 SND_SOC_DAPM_OUTPUT("HPOUTR"), 324 SND_SOC_DAPM_OUTPUT("LOUT2"), 325 SND_SOC_DAPM_OUTPUT("ROUT2"), 326 SND_SOC_DAPM_OUTPUT("OUT3"), 327 SND_SOC_DAPM_INPUT("LINEINL"), 328 SND_SOC_DAPM_INPUT("LINEINR"), 329 SND_SOC_DAPM_INPUT("PHONE"), 330 SND_SOC_DAPM_INPUT("PCBEEP"), 331 SND_SOC_DAPM_INPUT("MIC1"), 332 SND_SOC_DAPM_INPUT("MIC2"), 333 }; 334 335 static const struct snd_soc_dapm_route wm9712_audio_map[] = { 336 /* virtual mixer - mixes left & right channels for spk and mono */ 337 {"AC97 Mixer", NULL, "Left DAC"}, 338 {"AC97 Mixer", NULL, "Right DAC"}, 339 340 /* Left HP mixer */ 341 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 342 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 343 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 344 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 345 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 346 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 347 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 348 349 /* Right HP mixer */ 350 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 351 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 352 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 353 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 354 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 355 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 356 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 357 358 /* speaker mixer */ 359 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 360 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 361 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 362 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 363 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 364 365 /* Phone mixer */ 366 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 367 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 368 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 369 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 370 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 371 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 372 373 /* inputs */ 374 {"Line PGA", NULL, "LINEINL"}, 375 {"Line PGA", NULL, "LINEINR"}, 376 {"Phone PGA", NULL, "PHONE"}, 377 {"Mic PGA", NULL, "MIC1"}, 378 {"Mic PGA", NULL, "MIC2"}, 379 380 /* left capture selector */ 381 {"Left Capture Select", "Mic", "MIC1"}, 382 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 383 {"Left Capture Select", "Line", "LINEINL"}, 384 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 385 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 386 {"Left Capture Select", "Phone", "PHONE"}, 387 388 /* right capture selector */ 389 {"Right Capture Select", "Mic", "MIC2"}, 390 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 391 {"Right Capture Select", "Line", "LINEINR"}, 392 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 393 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 394 {"Right Capture Select", "Phone", "PHONE"}, 395 396 /* ALC Sidetone */ 397 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 398 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 399 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 400 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 401 402 /* ADC's */ 403 {"Left ADC", NULL, "Left Capture Select"}, 404 {"Right ADC", NULL, "Right Capture Select"}, 405 406 /* outputs */ 407 {"MONOOUT", NULL, "Phone Mixer"}, 408 {"HPOUTL", NULL, "Headphone PGA"}, 409 {"Headphone PGA", NULL, "Left HP Mixer"}, 410 {"HPOUTR", NULL, "Headphone PGA"}, 411 {"Headphone PGA", NULL, "Right HP Mixer"}, 412 413 /* mono mixer */ 414 {"Mono Mixer", NULL, "Left HP Mixer"}, 415 {"Mono Mixer", NULL, "Right HP Mixer"}, 416 417 /* Out3 Mux */ 418 {"Out3 Mux", "Left", "Left HP Mixer"}, 419 {"Out3 Mux", "Mono", "Phone Mixer"}, 420 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 421 {"Out 3 PGA", NULL, "Out3 Mux"}, 422 {"OUT3", NULL, "Out 3 PGA"}, 423 424 /* speaker Mux */ 425 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 426 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 427 {"Speaker PGA", NULL, "Speaker Mux"}, 428 {"LOUT2", NULL, "Speaker PGA"}, 429 {"ROUT2", NULL, "Speaker PGA"}, 430 }; 431 432 static unsigned int ac97_read(struct snd_soc_codec *codec, 433 unsigned int reg) 434 { 435 u16 *cache = codec->reg_cache; 436 437 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 438 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 439 reg == AC97_REC_GAIN) 440 return soc_ac97_ops.read(codec->ac97, reg); 441 else { 442 reg = reg >> 1; 443 444 if (reg >= (ARRAY_SIZE(wm9712_reg))) 445 return -EIO; 446 447 return cache[reg]; 448 } 449 } 450 451 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 452 unsigned int val) 453 { 454 u16 *cache = codec->reg_cache; 455 456 if (reg < 0x7c) 457 soc_ac97_ops.write(codec->ac97, reg, val); 458 reg = reg >> 1; 459 if (reg < (ARRAY_SIZE(wm9712_reg))) 460 cache[reg] = val; 461 462 return 0; 463 } 464 465 static int ac97_prepare(struct snd_pcm_substream *substream, 466 struct snd_soc_dai *dai) 467 { 468 struct snd_pcm_runtime *runtime = substream->runtime; 469 struct snd_soc_pcm_runtime *rtd = substream->private_data; 470 struct snd_soc_codec *codec =rtd->codec; 471 int reg; 472 u16 vra; 473 474 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 475 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 476 477 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 478 reg = AC97_PCM_FRONT_DAC_RATE; 479 else 480 reg = AC97_PCM_LR_ADC_RATE; 481 482 return ac97_write(codec, reg, runtime->rate); 483 } 484 485 static int ac97_aux_prepare(struct snd_pcm_substream *substream, 486 struct snd_soc_dai *dai) 487 { 488 struct snd_pcm_runtime *runtime = substream->runtime; 489 struct snd_soc_pcm_runtime *rtd = substream->private_data; 490 struct snd_soc_codec *codec = rtd->codec; 491 u16 vra, xsle; 492 493 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 494 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 495 xsle = ac97_read(codec, AC97_PCI_SID); 496 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 497 498 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 499 return -ENODEV; 500 501 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 502 } 503 504 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 505 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 506 SNDRV_PCM_RATE_48000) 507 508 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { 509 .prepare = ac97_prepare, 510 }; 511 512 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { 513 .prepare = ac97_aux_prepare, 514 }; 515 516 static struct snd_soc_dai_driver wm9712_dai[] = { 517 { 518 .name = "wm9712-hifi", 519 .ac97_control = 1, 520 .playback = { 521 .stream_name = "HiFi Playback", 522 .channels_min = 1, 523 .channels_max = 2, 524 .rates = WM9712_AC97_RATES, 525 .formats = SND_SOC_STD_AC97_FMTS,}, 526 .capture = { 527 .stream_name = "HiFi Capture", 528 .channels_min = 1, 529 .channels_max = 2, 530 .rates = WM9712_AC97_RATES, 531 .formats = SND_SOC_STD_AC97_FMTS,}, 532 .ops = &wm9712_dai_ops_hifi, 533 }, 534 { 535 .name = "wm9712-aux", 536 .playback = { 537 .stream_name = "Aux Playback", 538 .channels_min = 1, 539 .channels_max = 1, 540 .rates = WM9712_AC97_RATES, 541 .formats = SND_SOC_STD_AC97_FMTS,}, 542 .ops = &wm9712_dai_ops_aux, 543 } 544 }; 545 546 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 547 enum snd_soc_bias_level level) 548 { 549 switch (level) { 550 case SND_SOC_BIAS_ON: 551 case SND_SOC_BIAS_PREPARE: 552 break; 553 case SND_SOC_BIAS_STANDBY: 554 ac97_write(codec, AC97_POWERDOWN, 0x0000); 555 break; 556 case SND_SOC_BIAS_OFF: 557 /* disable everything including AC link */ 558 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 559 ac97_write(codec, AC97_POWERDOWN, 0xffff); 560 break; 561 } 562 codec->dapm.bias_level = level; 563 return 0; 564 } 565 566 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 567 { 568 if (try_warm && soc_ac97_ops.warm_reset) { 569 soc_ac97_ops.warm_reset(codec->ac97); 570 if (ac97_read(codec, 0) == wm9712_reg[0]) 571 return 1; 572 } 573 574 soc_ac97_ops.reset(codec->ac97); 575 if (soc_ac97_ops.warm_reset) 576 soc_ac97_ops.warm_reset(codec->ac97); 577 if (ac97_read(codec, 0) != wm9712_reg[0]) 578 goto err; 579 return 0; 580 581 err: 582 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 583 return -EIO; 584 } 585 586 static int wm9712_soc_suspend(struct snd_soc_codec *codec, 587 pm_message_t state) 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 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); 624 625 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 626 if (ret < 0) { 627 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 628 return ret; 629 } 630 631 ret = wm9712_reset(codec, 0); 632 if (ret < 0) { 633 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n"); 634 goto reset_err; 635 } 636 637 /* set alc mux to none */ 638 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 639 640 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 641 snd_soc_add_controls(codec, wm9712_snd_ac97_controls, 642 ARRAY_SIZE(wm9712_snd_ac97_controls)); 643 644 return 0; 645 646 reset_err: 647 snd_soc_free_ac97_codec(codec); 648 return ret; 649 } 650 651 static int wm9712_soc_remove(struct snd_soc_codec *codec) 652 { 653 snd_soc_free_ac97_codec(codec); 654 return 0; 655 } 656 657 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = { 658 .probe = wm9712_soc_probe, 659 .remove = wm9712_soc_remove, 660 .suspend = wm9712_soc_suspend, 661 .resume = wm9712_soc_resume, 662 .read = ac97_read, 663 .write = ac97_write, 664 .set_bias_level = wm9712_set_bias_level, 665 .reg_cache_size = ARRAY_SIZE(wm9712_reg), 666 .reg_word_size = sizeof(u16), 667 .reg_cache_step = 2, 668 .reg_cache_default = wm9712_reg, 669 .dapm_widgets = wm9712_dapm_widgets, 670 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets), 671 .dapm_routes = wm9712_audio_map, 672 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), 673 }; 674 675 static __devinit int wm9712_probe(struct platform_device *pdev) 676 { 677 return snd_soc_register_codec(&pdev->dev, 678 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai)); 679 } 680 681 static int __devexit wm9712_remove(struct platform_device *pdev) 682 { 683 snd_soc_unregister_codec(&pdev->dev); 684 return 0; 685 } 686 687 static struct platform_driver wm9712_codec_driver = { 688 .driver = { 689 .name = "wm9712-codec", 690 .owner = THIS_MODULE, 691 }, 692 693 .probe = wm9712_probe, 694 .remove = __devexit_p(wm9712_remove), 695 }; 696 697 static int __init wm9712_init(void) 698 { 699 return platform_driver_register(&wm9712_codec_driver); 700 } 701 module_init(wm9712_init); 702 703 static void __exit wm9712_exit(void) 704 { 705 platform_driver_unregister(&wm9712_codec_driver); 706 } 707 module_exit(wm9712_exit); 708 709 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 710 MODULE_AUTHOR("Liam Girdwood"); 711 MODULE_LICENSE("GPL"); 712