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, 0), 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("Mic Source Select", 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("Left Mic Select Source", SND_SOC_NOPM, 0, 0, 296 &wm9712_mic_src_controls), 297 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0, 298 &wm9712_mic_src_controls), 299 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 300 &wm9712_diff_sel_controls), 301 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 302 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, 303 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), 304 mixer_event, SND_SOC_DAPM_POST_REG), 305 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, 306 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), 307 mixer_event, SND_SOC_DAPM_POST_REG), 308 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 309 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 310 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 311 &wm9712_speaker_mixer_controls[0], 312 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 313 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 314 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 315 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 316 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 317 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 318 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 319 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 320 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 321 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 322 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 323 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 324 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 325 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0), 326 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 327 SND_SOC_DAPM_OUTPUT("MONOOUT"), 328 SND_SOC_DAPM_OUTPUT("HPOUTL"), 329 SND_SOC_DAPM_OUTPUT("HPOUTR"), 330 SND_SOC_DAPM_OUTPUT("LOUT2"), 331 SND_SOC_DAPM_OUTPUT("ROUT2"), 332 SND_SOC_DAPM_OUTPUT("OUT3"), 333 SND_SOC_DAPM_INPUT("LINEINL"), 334 SND_SOC_DAPM_INPUT("LINEINR"), 335 SND_SOC_DAPM_INPUT("PHONE"), 336 SND_SOC_DAPM_INPUT("PCBEEP"), 337 SND_SOC_DAPM_INPUT("MIC1"), 338 SND_SOC_DAPM_INPUT("MIC2"), 339 }; 340 341 static const struct snd_soc_dapm_route wm9712_audio_map[] = { 342 /* virtual mixer - mixes left & right channels for spk and mono */ 343 {"AC97 Mixer", NULL, "Left DAC"}, 344 {"AC97 Mixer", NULL, "Right DAC"}, 345 346 /* Left HP mixer */ 347 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 348 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 349 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 350 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 351 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 352 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 353 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 354 355 /* Right HP mixer */ 356 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 357 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 358 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 359 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 360 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 361 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 362 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 363 364 /* speaker mixer */ 365 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 366 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 367 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 368 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 369 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 370 371 /* Phone mixer */ 372 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 373 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 374 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 375 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 376 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 377 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 378 379 /* inputs */ 380 {"Line PGA", NULL, "LINEINL"}, 381 {"Line PGA", NULL, "LINEINR"}, 382 {"Phone PGA", NULL, "PHONE"}, 383 {"Mic PGA", NULL, "MIC1"}, 384 {"Mic PGA", NULL, "MIC2"}, 385 386 /* microphones */ 387 {"Differential Mic", NULL, "MIC1"}, 388 {"Differential Mic", NULL, "MIC2"}, 389 {"Left Mic Select Source", "Mic 1", "MIC1"}, 390 {"Left Mic Select Source", "Mic 2", "MIC2"}, 391 {"Left Mic Select Source", "Stereo", "MIC1"}, 392 {"Left Mic Select Source", "Differential", "Differential Mic"}, 393 {"Right Mic Select Source", "Mic 1", "MIC1"}, 394 {"Right Mic Select Source", "Mic 2", "MIC2"}, 395 {"Right Mic Select Source", "Stereo", "MIC2"}, 396 {"Right Mic Select Source", "Differential", "Differential Mic"}, 397 398 /* left capture selector */ 399 {"Left Capture Select", "Mic", "MIC1"}, 400 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 401 {"Left Capture Select", "Line", "LINEINL"}, 402 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 403 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 404 {"Left Capture Select", "Phone", "PHONE"}, 405 406 /* right capture selector */ 407 {"Right Capture Select", "Mic", "MIC2"}, 408 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 409 {"Right Capture Select", "Line", "LINEINR"}, 410 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 411 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 412 {"Right Capture Select", "Phone", "PHONE"}, 413 414 /* ALC Sidetone */ 415 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 416 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 417 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 418 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 419 420 /* ADC's */ 421 {"Left ADC", NULL, "Left Capture Select"}, 422 {"Right ADC", NULL, "Right Capture Select"}, 423 424 /* outputs */ 425 {"MONOOUT", NULL, "Phone Mixer"}, 426 {"HPOUTL", NULL, "Headphone PGA"}, 427 {"Headphone PGA", NULL, "Left HP Mixer"}, 428 {"HPOUTR", NULL, "Headphone PGA"}, 429 {"Headphone PGA", NULL, "Right HP Mixer"}, 430 431 /* mono mixer */ 432 {"Mono Mixer", NULL, "Left HP Mixer"}, 433 {"Mono Mixer", NULL, "Right HP Mixer"}, 434 435 /* Out3 Mux */ 436 {"Out3 Mux", "Left", "Left HP Mixer"}, 437 {"Out3 Mux", "Mono", "Phone Mixer"}, 438 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 439 {"Out 3 PGA", NULL, "Out3 Mux"}, 440 {"OUT3", NULL, "Out 3 PGA"}, 441 442 /* speaker Mux */ 443 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 444 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 445 {"Speaker PGA", NULL, "Speaker Mux"}, 446 {"LOUT2", NULL, "Speaker PGA"}, 447 {"ROUT2", NULL, "Speaker PGA"}, 448 }; 449 450 static unsigned int ac97_read(struct snd_soc_codec *codec, 451 unsigned int reg) 452 { 453 u16 *cache = codec->reg_cache; 454 455 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 456 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 457 reg == AC97_REC_GAIN) 458 return soc_ac97_ops.read(codec->ac97, reg); 459 else { 460 reg = reg >> 1; 461 462 if (reg >= (ARRAY_SIZE(wm9712_reg))) 463 return -EIO; 464 465 return cache[reg]; 466 } 467 } 468 469 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 470 unsigned int val) 471 { 472 u16 *cache = codec->reg_cache; 473 474 if (reg < 0x7c) 475 soc_ac97_ops.write(codec->ac97, reg, val); 476 reg = reg >> 1; 477 if (reg < (ARRAY_SIZE(wm9712_reg))) 478 cache[reg] = val; 479 480 return 0; 481 } 482 483 static int ac97_prepare(struct snd_pcm_substream *substream, 484 struct snd_soc_dai *dai) 485 { 486 struct snd_soc_codec *codec = dai->codec; 487 int reg; 488 u16 vra; 489 struct snd_pcm_runtime *runtime = substream->runtime; 490 491 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 492 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 493 494 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 495 reg = AC97_PCM_FRONT_DAC_RATE; 496 else 497 reg = AC97_PCM_LR_ADC_RATE; 498 499 return ac97_write(codec, reg, runtime->rate); 500 } 501 502 static int ac97_aux_prepare(struct snd_pcm_substream *substream, 503 struct snd_soc_dai *dai) 504 { 505 struct snd_soc_codec *codec = dai->codec; 506 u16 vra, xsle; 507 struct snd_pcm_runtime *runtime = substream->runtime; 508 509 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 510 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 511 xsle = ac97_read(codec, AC97_PCI_SID); 512 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 513 514 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 515 return -ENODEV; 516 517 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 518 } 519 520 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 521 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 522 SNDRV_PCM_RATE_48000) 523 524 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { 525 .prepare = ac97_prepare, 526 }; 527 528 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { 529 .prepare = ac97_aux_prepare, 530 }; 531 532 static struct snd_soc_dai_driver wm9712_dai[] = { 533 { 534 .name = "wm9712-hifi", 535 .ac97_control = 1, 536 .playback = { 537 .stream_name = "HiFi Playback", 538 .channels_min = 1, 539 .channels_max = 2, 540 .rates = WM9712_AC97_RATES, 541 .formats = SND_SOC_STD_AC97_FMTS,}, 542 .capture = { 543 .stream_name = "HiFi Capture", 544 .channels_min = 1, 545 .channels_max = 2, 546 .rates = WM9712_AC97_RATES, 547 .formats = SND_SOC_STD_AC97_FMTS,}, 548 .ops = &wm9712_dai_ops_hifi, 549 }, 550 { 551 .name = "wm9712-aux", 552 .playback = { 553 .stream_name = "Aux Playback", 554 .channels_min = 1, 555 .channels_max = 1, 556 .rates = WM9712_AC97_RATES, 557 .formats = SND_SOC_STD_AC97_FMTS,}, 558 .ops = &wm9712_dai_ops_aux, 559 } 560 }; 561 562 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 563 enum snd_soc_bias_level level) 564 { 565 switch (level) { 566 case SND_SOC_BIAS_ON: 567 case SND_SOC_BIAS_PREPARE: 568 break; 569 case SND_SOC_BIAS_STANDBY: 570 ac97_write(codec, AC97_POWERDOWN, 0x0000); 571 break; 572 case SND_SOC_BIAS_OFF: 573 /* disable everything including AC link */ 574 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 575 ac97_write(codec, AC97_POWERDOWN, 0xffff); 576 break; 577 } 578 codec->dapm.bias_level = level; 579 return 0; 580 } 581 582 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 583 { 584 if (try_warm && soc_ac97_ops.warm_reset) { 585 soc_ac97_ops.warm_reset(codec->ac97); 586 if (ac97_read(codec, 0) == wm9712_reg[0]) 587 return 1; 588 } 589 590 soc_ac97_ops.reset(codec->ac97); 591 if (soc_ac97_ops.warm_reset) 592 soc_ac97_ops.warm_reset(codec->ac97); 593 if (ac97_read(codec, 0) != wm9712_reg[0]) 594 goto err; 595 return 0; 596 597 err: 598 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 599 return -EIO; 600 } 601 602 static int wm9712_soc_suspend(struct snd_soc_codec *codec) 603 { 604 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF); 605 return 0; 606 } 607 608 static int wm9712_soc_resume(struct snd_soc_codec *codec) 609 { 610 int i, ret; 611 u16 *cache = codec->reg_cache; 612 613 ret = wm9712_reset(codec, 1); 614 if (ret < 0) { 615 printk(KERN_ERR "could not reset AC97 codec\n"); 616 return ret; 617 } 618 619 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 620 621 if (ret == 0) { 622 /* Sync reg_cache with the hardware after cold reset */ 623 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 624 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 625 (i > 0x58 && i != 0x5c)) 626 continue; 627 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); 628 } 629 } 630 631 return ret; 632 } 633 634 static int wm9712_soc_probe(struct snd_soc_codec *codec) 635 { 636 int ret = 0; 637 638 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 639 if (ret < 0) { 640 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 641 return ret; 642 } 643 644 ret = wm9712_reset(codec, 0); 645 if (ret < 0) { 646 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n"); 647 goto reset_err; 648 } 649 650 /* set alc mux to none */ 651 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 652 653 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 654 snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls, 655 ARRAY_SIZE(wm9712_snd_ac97_controls)); 656 657 return 0; 658 659 reset_err: 660 snd_soc_free_ac97_codec(codec); 661 return ret; 662 } 663 664 static int wm9712_soc_remove(struct snd_soc_codec *codec) 665 { 666 snd_soc_free_ac97_codec(codec); 667 return 0; 668 } 669 670 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = { 671 .probe = wm9712_soc_probe, 672 .remove = wm9712_soc_remove, 673 .suspend = wm9712_soc_suspend, 674 .resume = wm9712_soc_resume, 675 .read = ac97_read, 676 .write = ac97_write, 677 .set_bias_level = wm9712_set_bias_level, 678 .reg_cache_size = ARRAY_SIZE(wm9712_reg), 679 .reg_word_size = sizeof(u16), 680 .reg_cache_step = 2, 681 .reg_cache_default = wm9712_reg, 682 .dapm_widgets = wm9712_dapm_widgets, 683 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets), 684 .dapm_routes = wm9712_audio_map, 685 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), 686 }; 687 688 static int wm9712_probe(struct platform_device *pdev) 689 { 690 return snd_soc_register_codec(&pdev->dev, 691 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai)); 692 } 693 694 static int wm9712_remove(struct platform_device *pdev) 695 { 696 snd_soc_unregister_codec(&pdev->dev); 697 return 0; 698 } 699 700 static struct platform_driver wm9712_codec_driver = { 701 .driver = { 702 .name = "wm9712-codec", 703 .owner = THIS_MODULE, 704 }, 705 706 .probe = wm9712_probe, 707 .remove = wm9712_remove, 708 }; 709 710 module_platform_driver(wm9712_codec_driver); 711 712 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 713 MODULE_AUTHOR("Liam Girdwood"); 714 MODULE_LICENSE("GPL"); 715