1 /* 2 * wm9712.c -- ALSA Soc WM9712 codec support 3 * 4 * Copyright 2006 Wolfson Microelectronics PLC. 5 * Author: Liam Girdwood 6 * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 */ 13 14 #include <linux/init.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/soc-dapm.h> 24 #include "wm9712.h" 25 26 #define WM9712_VERSION "0.4" 27 28 static unsigned int ac97_read(struct snd_soc_codec *codec, 29 unsigned int reg); 30 static int ac97_write(struct snd_soc_codec *codec, 31 unsigned int reg, unsigned int val); 32 33 /* 34 * WM9712 register cache 35 */ 36 static const u16 wm9712_reg[] = { 37 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ 38 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ 39 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ 40 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ 41 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ 42 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ 43 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ 44 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ 45 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ 46 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ 47 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ 48 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ 49 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ 50 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ 51 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ 52 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ 53 0x0000, 0x0000 /* virtual hp mixers */ 54 }; 55 56 /* virtual HP mixers regs */ 57 #define HPL_MIXER 0x80 58 #define HPR_MIXER 0x82 59 60 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 61 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 62 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 63 "Mono"}; 64 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 65 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 66 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 67 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 68 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 69 "Stereo"}; 70 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 71 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 72 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 73 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 74 75 static const struct soc_enum wm9712_enum[] = { 76 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), 77 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), 78 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), 79 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), 80 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), 81 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), 82 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), 83 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), 84 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), 85 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), 86 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), 87 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), 88 }; 89 90 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { 91 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), 92 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), 93 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), 94 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), 95 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), 96 97 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), 98 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), 99 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), 100 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), 101 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), 102 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 103 104 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), 105 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), 106 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), 107 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), 108 SOC_ENUM("ALC Function", wm9712_enum[0]), 109 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), 110 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), 111 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), 112 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), 113 SOC_ENUM("ALC NG Type", wm9712_enum[10]), 114 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), 115 116 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), 117 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), 118 119 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), 120 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), 121 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), 122 123 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), 124 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), 125 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), 126 127 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), 128 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), 129 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), 130 131 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), 132 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), 133 134 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0), 135 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1), 136 137 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 138 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 139 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 140 141 SOC_ENUM("Bass Control", wm9712_enum[5]), 142 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 143 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 144 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 145 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), 146 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), 147 148 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1), 149 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 150 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1), 151 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 152 153 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), 154 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), 155 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0), 156 }; 157 158 /* add non dapm controls */ 159 static int wm9712_add_controls(struct snd_soc_codec *codec) 160 { 161 int err, i; 162 163 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) { 164 err = snd_ctl_add(codec->card, 165 snd_soc_cnew(&wm9712_snd_ac97_controls[i], 166 codec, NULL)); 167 if (err < 0) 168 return err; 169 } 170 return 0; 171 } 172 173 /* We have to create a fake left and right HP mixers because 174 * the codec only has a single control that is shared by both channels. 175 * This makes it impossible to determine the audio path. 176 */ 177 static int mixer_event(struct snd_soc_dapm_widget *w, 178 struct snd_kcontrol *k, int event) 179 { 180 u16 l, r, beep, line, phone, mic, pcm, aux; 181 182 l = ac97_read(w->codec, HPL_MIXER); 183 r = ac97_read(w->codec, HPR_MIXER); 184 beep = ac97_read(w->codec, AC97_PC_BEEP); 185 mic = ac97_read(w->codec, AC97_VIDEO); 186 phone = ac97_read(w->codec, AC97_PHONE); 187 line = ac97_read(w->codec, AC97_LINE); 188 pcm = ac97_read(w->codec, AC97_PCM); 189 aux = ac97_read(w->codec, AC97_CD); 190 191 if (l & 0x1 || r & 0x1) 192 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff); 193 else 194 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); 195 196 if (l & 0x2 || r & 0x2) 197 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); 198 else 199 ac97_write(w->codec, AC97_PCM, pcm | 0x8000); 200 201 if (l & 0x4 || r & 0x4) 202 ac97_write(w->codec, AC97_LINE, line & 0x7fff); 203 else 204 ac97_write(w->codec, AC97_LINE, line | 0x8000); 205 206 if (l & 0x8 || r & 0x8) 207 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); 208 else 209 ac97_write(w->codec, AC97_PHONE, phone | 0x8000); 210 211 if (l & 0x10 || r & 0x10) 212 ac97_write(w->codec, AC97_CD, aux & 0x7fff); 213 else 214 ac97_write(w->codec, AC97_CD, aux | 0x8000); 215 216 if (l & 0x20 || r & 0x20) 217 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); 218 else 219 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); 220 221 return 0; 222 } 223 224 /* Left Headphone Mixers */ 225 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 226 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0), 227 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0), 228 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0), 229 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0), 230 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0), 231 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0), 232 }; 233 234 /* Right Headphone Mixers */ 235 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 236 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0), 237 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0), 238 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0), 239 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0), 240 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0), 241 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0), 242 }; 243 244 /* Speaker Mixer */ 245 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 246 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 247 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 248 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 249 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 250 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 251 }; 252 253 /* Phone Mixer */ 254 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 255 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 256 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 257 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 258 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 259 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 260 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 261 }; 262 263 /* ALC headphone mux */ 264 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 265 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 266 267 /* out 3 mux */ 268 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 269 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 270 271 /* spk mux */ 272 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 273 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 274 275 /* Capture to Phone mux */ 276 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 277 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 278 279 /* Capture left select */ 280 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 281 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 282 283 /* Capture right select */ 284 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 285 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 286 287 /* Mic select */ 288 static const struct snd_kcontrol_new wm9712_mic_src_controls = 289 SOC_DAPM_ENUM("Route", wm9712_enum[7]); 290 291 /* diff select */ 292 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 293 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 294 295 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 296 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 297 &wm9712_alc_mux_controls), 298 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 299 &wm9712_out3_mux_controls), 300 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 301 &wm9712_spk_mux_controls), 302 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 303 &wm9712_capture_phone_mux_controls), 304 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 305 &wm9712_capture_selectl_controls), 306 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 307 &wm9712_capture_selectr_controls), 308 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0, 309 &wm9712_mic_src_controls), 310 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 311 &wm9712_diff_sel_controls), 312 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 313 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, 314 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), 315 mixer_event, SND_SOC_DAPM_POST_REG), 316 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, 317 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), 318 mixer_event, SND_SOC_DAPM_POST_REG), 319 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 320 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 321 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 322 &wm9712_speaker_mixer_controls[0], 323 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 324 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 325 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 326 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 327 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 328 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 329 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 330 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 331 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 332 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 333 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 334 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 335 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 336 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 337 SND_SOC_DAPM_OUTPUT("MONOOUT"), 338 SND_SOC_DAPM_OUTPUT("HPOUTL"), 339 SND_SOC_DAPM_OUTPUT("HPOUTR"), 340 SND_SOC_DAPM_OUTPUT("LOUT2"), 341 SND_SOC_DAPM_OUTPUT("ROUT2"), 342 SND_SOC_DAPM_OUTPUT("OUT3"), 343 SND_SOC_DAPM_INPUT("LINEINL"), 344 SND_SOC_DAPM_INPUT("LINEINR"), 345 SND_SOC_DAPM_INPUT("PHONE"), 346 SND_SOC_DAPM_INPUT("PCBEEP"), 347 SND_SOC_DAPM_INPUT("MIC1"), 348 SND_SOC_DAPM_INPUT("MIC2"), 349 }; 350 351 static const struct snd_soc_dapm_route audio_map[] = { 352 /* virtual mixer - mixes left & right channels for spk and mono */ 353 {"AC97 Mixer", NULL, "Left DAC"}, 354 {"AC97 Mixer", NULL, "Right DAC"}, 355 356 /* Left HP mixer */ 357 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 358 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 359 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 360 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 361 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 362 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 363 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 364 365 /* Right HP mixer */ 366 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 367 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 368 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 369 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 370 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 371 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 372 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 373 374 /* speaker mixer */ 375 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 376 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 377 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 378 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 379 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 380 381 /* Phone mixer */ 382 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 383 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 384 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 385 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 386 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 387 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 388 389 /* inputs */ 390 {"Line PGA", NULL, "LINEINL"}, 391 {"Line PGA", NULL, "LINEINR"}, 392 {"Phone PGA", NULL, "PHONE"}, 393 {"Mic PGA", NULL, "MIC1"}, 394 {"Mic PGA", NULL, "MIC2"}, 395 396 /* left capture selector */ 397 {"Left Capture Select", "Mic", "MIC1"}, 398 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 399 {"Left Capture Select", "Line", "LINEINL"}, 400 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 401 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 402 {"Left Capture Select", "Phone", "PHONE"}, 403 404 /* right capture selector */ 405 {"Right Capture Select", "Mic", "MIC2"}, 406 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 407 {"Right Capture Select", "Line", "LINEINR"}, 408 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 409 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 410 {"Right Capture Select", "Phone", "PHONE"}, 411 412 /* ALC Sidetone */ 413 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 414 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 415 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 416 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 417 418 /* ADC's */ 419 {"Left ADC", NULL, "Left Capture Select"}, 420 {"Right ADC", NULL, "Right Capture Select"}, 421 422 /* outputs */ 423 {"MONOOUT", NULL, "Phone Mixer"}, 424 {"HPOUTL", NULL, "Headphone PGA"}, 425 {"Headphone PGA", NULL, "Left HP Mixer"}, 426 {"HPOUTR", NULL, "Headphone PGA"}, 427 {"Headphone PGA", NULL, "Right HP Mixer"}, 428 429 /* mono mixer */ 430 {"Mono Mixer", NULL, "Left HP Mixer"}, 431 {"Mono Mixer", NULL, "Right HP Mixer"}, 432 433 /* Out3 Mux */ 434 {"Out3 Mux", "Left", "Left HP Mixer"}, 435 {"Out3 Mux", "Mono", "Phone Mixer"}, 436 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 437 {"Out 3 PGA", NULL, "Out3 Mux"}, 438 {"OUT3", NULL, "Out 3 PGA"}, 439 440 /* speaker Mux */ 441 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 442 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 443 {"Speaker PGA", NULL, "Speaker Mux"}, 444 {"LOUT2", NULL, "Speaker PGA"}, 445 {"ROUT2", NULL, "Speaker PGA"}, 446 }; 447 448 static int wm9712_add_widgets(struct snd_soc_codec *codec) 449 { 450 snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets, 451 ARRAY_SIZE(wm9712_dapm_widgets)); 452 453 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 454 455 snd_soc_dapm_new_widgets(codec); 456 return 0; 457 } 458 459 static unsigned int ac97_read(struct snd_soc_codec *codec, 460 unsigned int reg) 461 { 462 u16 *cache = codec->reg_cache; 463 464 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 465 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 466 reg == AC97_REC_GAIN) 467 return soc_ac97_ops.read(codec->ac97, reg); 468 else { 469 reg = reg >> 1; 470 471 if (reg > (ARRAY_SIZE(wm9712_reg))) 472 return -EIO; 473 474 return cache[reg]; 475 } 476 } 477 478 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 479 unsigned int val) 480 { 481 u16 *cache = codec->reg_cache; 482 483 soc_ac97_ops.write(codec->ac97, reg, val); 484 reg = reg >> 1; 485 if (reg <= (ARRAY_SIZE(wm9712_reg))) 486 cache[reg] = val; 487 488 return 0; 489 } 490 491 static int ac97_prepare(struct snd_pcm_substream *substream) 492 { 493 struct snd_pcm_runtime *runtime = substream->runtime; 494 struct snd_soc_pcm_runtime *rtd = substream->private_data; 495 struct snd_soc_device *socdev = rtd->socdev; 496 struct snd_soc_codec *codec = socdev->codec; 497 int reg; 498 u16 vra; 499 500 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 501 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 502 503 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 504 reg = AC97_PCM_FRONT_DAC_RATE; 505 else 506 reg = AC97_PCM_LR_ADC_RATE; 507 508 return ac97_write(codec, reg, runtime->rate); 509 } 510 511 static int ac97_aux_prepare(struct snd_pcm_substream *substream) 512 { 513 struct snd_pcm_runtime *runtime = substream->runtime; 514 struct snd_soc_pcm_runtime *rtd = substream->private_data; 515 struct snd_soc_device *socdev = rtd->socdev; 516 struct snd_soc_codec *codec = socdev->codec; 517 u16 vra, xsle; 518 519 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 520 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 521 xsle = ac97_read(codec, AC97_PCI_SID); 522 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 523 524 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 525 return -ENODEV; 526 527 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 528 } 529 530 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 531 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 532 SNDRV_PCM_RATE_48000) 533 534 struct snd_soc_dai wm9712_dai[] = { 535 { 536 .name = "AC97 HiFi", 537 .type = SND_SOC_DAI_AC97_BUS, 538 .playback = { 539 .stream_name = "HiFi Playback", 540 .channels_min = 1, 541 .channels_max = 2, 542 .rates = WM9712_AC97_RATES, 543 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 544 .capture = { 545 .stream_name = "HiFi Capture", 546 .channels_min = 1, 547 .channels_max = 2, 548 .rates = WM9712_AC97_RATES, 549 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 550 .ops = { 551 .prepare = ac97_prepare,}, 552 }, 553 { 554 .name = "AC97 Aux", 555 .playback = { 556 .stream_name = "Aux Playback", 557 .channels_min = 1, 558 .channels_max = 1, 559 .rates = WM9712_AC97_RATES, 560 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 561 .ops = { 562 .prepare = ac97_aux_prepare,}, 563 } 564 }; 565 EXPORT_SYMBOL_GPL(wm9712_dai); 566 567 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 568 enum snd_soc_bias_level level) 569 { 570 switch (level) { 571 case SND_SOC_BIAS_ON: 572 case SND_SOC_BIAS_PREPARE: 573 break; 574 case SND_SOC_BIAS_STANDBY: 575 ac97_write(codec, AC97_POWERDOWN, 0x0000); 576 break; 577 case SND_SOC_BIAS_OFF: 578 /* disable everything including AC link */ 579 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 580 ac97_write(codec, AC97_POWERDOWN, 0xffff); 581 break; 582 } 583 codec->bias_level = level; 584 return 0; 585 } 586 587 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 588 { 589 if (try_warm && soc_ac97_ops.warm_reset) { 590 soc_ac97_ops.warm_reset(codec->ac97); 591 if (ac97_read(codec, 0) == wm9712_reg[0]) 592 return 1; 593 } 594 595 soc_ac97_ops.reset(codec->ac97); 596 if (ac97_read(codec, 0) != wm9712_reg[0]) 597 goto err; 598 return 0; 599 600 err: 601 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 602 return -EIO; 603 } 604 605 static int wm9712_soc_suspend(struct platform_device *pdev, 606 pm_message_t state) 607 { 608 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 609 struct snd_soc_codec *codec = socdev->codec; 610 611 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF); 612 return 0; 613 } 614 615 static int wm9712_soc_resume(struct platform_device *pdev) 616 { 617 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 618 struct snd_soc_codec *codec = socdev->codec; 619 int i, ret; 620 u16 *cache = codec->reg_cache; 621 622 ret = wm9712_reset(codec, 1); 623 if (ret < 0) { 624 printk(KERN_ERR "could not reset AC97 codec\n"); 625 return ret; 626 } 627 628 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 629 630 if (ret == 0) { 631 /* Sync reg_cache with the hardware after cold reset */ 632 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 633 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 634 (i > 0x58 && i != 0x5c)) 635 continue; 636 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); 637 } 638 } 639 640 if (codec->suspend_bias_level == SND_SOC_BIAS_ON) 641 wm9712_set_bias_level(codec, SND_SOC_BIAS_ON); 642 643 return ret; 644 } 645 646 static int wm9712_soc_probe(struct platform_device *pdev) 647 { 648 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 649 struct snd_soc_codec *codec; 650 int ret = 0; 651 652 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); 653 654 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); 655 if (socdev->codec == NULL) 656 return -ENOMEM; 657 codec = socdev->codec; 658 mutex_init(&codec->mutex); 659 660 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL); 661 662 if (codec->reg_cache == NULL) { 663 ret = -ENOMEM; 664 goto cache_err; 665 } 666 codec->reg_cache_size = sizeof(wm9712_reg); 667 codec->reg_cache_step = 2; 668 669 codec->name = "WM9712"; 670 codec->owner = THIS_MODULE; 671 codec->dai = wm9712_dai; 672 codec->num_dai = ARRAY_SIZE(wm9712_dai); 673 codec->write = ac97_write; 674 codec->read = ac97_read; 675 codec->set_bias_level = wm9712_set_bias_level; 676 INIT_LIST_HEAD(&codec->dapm_widgets); 677 INIT_LIST_HEAD(&codec->dapm_paths); 678 679 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 680 if (ret < 0) { 681 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 682 goto codec_err; 683 } 684 685 /* register pcms */ 686 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 687 if (ret < 0) 688 goto pcm_err; 689 690 ret = wm9712_reset(codec, 0); 691 if (ret < 0) { 692 printk(KERN_ERR "AC97 link error\n"); 693 goto reset_err; 694 } 695 696 /* set alc mux to none */ 697 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 698 699 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 700 wm9712_add_controls(codec); 701 wm9712_add_widgets(codec); 702 ret = snd_soc_register_card(socdev); 703 if (ret < 0) { 704 printk(KERN_ERR "wm9712: failed to register card\n"); 705 goto reset_err; 706 } 707 708 return 0; 709 710 reset_err: 711 snd_soc_free_pcms(socdev); 712 713 pcm_err: 714 snd_soc_free_ac97_codec(codec); 715 716 codec_err: 717 kfree(codec->reg_cache); 718 719 cache_err: 720 kfree(socdev->codec); 721 socdev->codec = NULL; 722 return ret; 723 } 724 725 static int wm9712_soc_remove(struct platform_device *pdev) 726 { 727 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 728 struct snd_soc_codec *codec = socdev->codec; 729 730 if (codec == NULL) 731 return 0; 732 733 snd_soc_dapm_free(socdev); 734 snd_soc_free_pcms(socdev); 735 snd_soc_free_ac97_codec(codec); 736 kfree(codec->reg_cache); 737 kfree(codec); 738 return 0; 739 } 740 741 struct snd_soc_codec_device soc_codec_dev_wm9712 = { 742 .probe = wm9712_soc_probe, 743 .remove = wm9712_soc_remove, 744 .suspend = wm9712_soc_suspend, 745 .resume = wm9712_soc_resume, 746 }; 747 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712); 748 749 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 750 MODULE_AUTHOR("Liam Girdwood"); 751 MODULE_LICENSE("GPL"); 752