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/version.h> 17 #include <linux/kernel.h> 18 #include <linux/device.h> 19 #include <sound/core.h> 20 #include <sound/pcm.h> 21 #include <sound/ac97_codec.h> 22 #include <sound/initval.h> 23 #include <sound/soc.h> 24 #include <sound/soc-dapm.h> 25 #include "wm9712.h" 26 27 #define WM9712_VERSION "0.4" 28 29 static unsigned int ac97_read(struct snd_soc_codec *codec, 30 unsigned int reg); 31 static int ac97_write(struct snd_soc_codec *codec, 32 unsigned int reg, unsigned int val); 33 34 /* 35 * WM9712 register cache 36 */ 37 static const u16 wm9712_reg[] = { 38 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ 39 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ 40 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ 41 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ 42 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ 43 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ 44 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ 45 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ 46 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ 47 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ 48 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ 49 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ 50 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ 51 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ 52 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ 53 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ 54 0x0000, 0x0000 /* virtual hp mixers */ 55 }; 56 57 /* virtual HP mixers regs */ 58 #define HPL_MIXER 0x80 59 #define HPR_MIXER 0x82 60 61 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 62 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 63 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 64 "Mono"}; 65 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 66 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 67 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 68 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 69 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 70 "Stereo"}; 71 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 72 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 73 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 74 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 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("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0), 136 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1), 137 138 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 139 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 140 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 141 142 SOC_ENUM("Bass Control", wm9712_enum[5]), 143 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 144 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 145 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 146 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), 147 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), 148 149 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1), 150 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 151 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1), 152 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 153 154 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), 155 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), 156 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0), 157 }; 158 159 /* add non dapm controls */ 160 static int wm9712_add_controls(struct snd_soc_codec *codec) 161 { 162 int err, i; 163 164 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) { 165 err = snd_ctl_add(codec->card, 166 snd_soc_cnew(&wm9712_snd_ac97_controls[i], 167 codec, NULL)); 168 if (err < 0) 169 return err; 170 } 171 return 0; 172 } 173 174 /* We have to create a fake left and right HP mixers because 175 * the codec only has a single control that is shared by both channels. 176 * This makes it impossible to determine the audio path. 177 */ 178 static int mixer_event(struct snd_soc_dapm_widget *w, 179 struct snd_kcontrol *k, int event) 180 { 181 u16 l, r, beep, line, phone, mic, pcm, aux; 182 183 l = ac97_read(w->codec, HPL_MIXER); 184 r = ac97_read(w->codec, HPR_MIXER); 185 beep = ac97_read(w->codec, AC97_PC_BEEP); 186 mic = ac97_read(w->codec, AC97_VIDEO); 187 phone = ac97_read(w->codec, AC97_PHONE); 188 line = ac97_read(w->codec, AC97_LINE); 189 pcm = ac97_read(w->codec, AC97_PCM); 190 aux = ac97_read(w->codec, AC97_CD); 191 192 if (l & 0x1 || r & 0x1) 193 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff); 194 else 195 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); 196 197 if (l & 0x2 || r & 0x2) 198 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); 199 else 200 ac97_write(w->codec, AC97_PCM, pcm | 0x8000); 201 202 if (l & 0x4 || r & 0x4) 203 ac97_write(w->codec, AC97_LINE, line & 0x7fff); 204 else 205 ac97_write(w->codec, AC97_LINE, line | 0x8000); 206 207 if (l & 0x8 || r & 0x8) 208 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); 209 else 210 ac97_write(w->codec, AC97_PHONE, phone | 0x8000); 211 212 if (l & 0x10 || r & 0x10) 213 ac97_write(w->codec, AC97_CD, aux & 0x7fff); 214 else 215 ac97_write(w->codec, AC97_CD, aux | 0x8000); 216 217 if (l & 0x20 || r & 0x20) 218 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); 219 else 220 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); 221 222 return 0; 223 } 224 225 /* Left Headphone Mixers */ 226 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 227 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0), 228 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0), 229 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0), 230 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0), 231 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0), 232 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0), 233 }; 234 235 /* Right Headphone Mixers */ 236 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 237 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0), 238 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0), 239 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0), 240 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0), 241 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0), 242 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0), 243 }; 244 245 /* Speaker Mixer */ 246 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 247 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 248 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 249 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 250 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 251 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 252 }; 253 254 /* Phone Mixer */ 255 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 256 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 257 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 258 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 259 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 260 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 261 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 262 }; 263 264 /* ALC headphone mux */ 265 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 266 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 267 268 /* out 3 mux */ 269 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 270 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 271 272 /* spk mux */ 273 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 274 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 275 276 /* Capture to Phone mux */ 277 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 278 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 279 280 /* Capture left select */ 281 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 282 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 283 284 /* Capture right select */ 285 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 286 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 287 288 /* Mic select */ 289 static const struct snd_kcontrol_new wm9712_mic_src_controls = 290 SOC_DAPM_ENUM("Route", wm9712_enum[7]); 291 292 /* diff select */ 293 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 294 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 295 296 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 297 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 298 &wm9712_alc_mux_controls), 299 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 300 &wm9712_out3_mux_controls), 301 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 302 &wm9712_spk_mux_controls), 303 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 304 &wm9712_capture_phone_mux_controls), 305 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 306 &wm9712_capture_selectl_controls), 307 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 308 &wm9712_capture_selectr_controls), 309 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0, 310 &wm9712_mic_src_controls), 311 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 312 &wm9712_diff_sel_controls), 313 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 314 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, 315 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), 316 mixer_event, SND_SOC_DAPM_POST_REG), 317 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, 318 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), 319 mixer_event, SND_SOC_DAPM_POST_REG), 320 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 321 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 322 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 323 &wm9712_speaker_mixer_controls[0], 324 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 325 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 326 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 327 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 328 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 329 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 330 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 331 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 332 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 333 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 334 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 335 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 336 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 337 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 338 SND_SOC_DAPM_OUTPUT("MONOOUT"), 339 SND_SOC_DAPM_OUTPUT("HPOUTL"), 340 SND_SOC_DAPM_OUTPUT("HPOUTR"), 341 SND_SOC_DAPM_OUTPUT("LOUT2"), 342 SND_SOC_DAPM_OUTPUT("ROUT2"), 343 SND_SOC_DAPM_OUTPUT("OUT3"), 344 SND_SOC_DAPM_INPUT("LINEINL"), 345 SND_SOC_DAPM_INPUT("LINEINR"), 346 SND_SOC_DAPM_INPUT("PHONE"), 347 SND_SOC_DAPM_INPUT("PCBEEP"), 348 SND_SOC_DAPM_INPUT("MIC1"), 349 SND_SOC_DAPM_INPUT("MIC2"), 350 }; 351 352 static const struct snd_soc_dapm_route audio_map[] = { 353 /* virtual mixer - mixes left & right channels for spk and mono */ 354 {"AC97 Mixer", NULL, "Left DAC"}, 355 {"AC97 Mixer", NULL, "Right DAC"}, 356 357 /* Left HP mixer */ 358 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 359 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 360 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 361 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 362 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 363 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 364 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 365 366 /* Right HP mixer */ 367 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 368 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 369 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 370 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 371 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 372 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 373 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 374 375 /* speaker mixer */ 376 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 377 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 378 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 379 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 380 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 381 382 /* Phone mixer */ 383 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 384 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 385 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 386 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 387 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 388 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 389 390 /* inputs */ 391 {"Line PGA", NULL, "LINEINL"}, 392 {"Line PGA", NULL, "LINEINR"}, 393 {"Phone PGA", NULL, "PHONE"}, 394 {"Mic PGA", NULL, "MIC1"}, 395 {"Mic PGA", NULL, "MIC2"}, 396 397 /* left capture selector */ 398 {"Left Capture Select", "Mic", "MIC1"}, 399 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 400 {"Left Capture Select", "Line", "LINEINL"}, 401 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 402 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 403 {"Left Capture Select", "Phone", "PHONE"}, 404 405 /* right capture selector */ 406 {"Right Capture Select", "Mic", "MIC2"}, 407 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 408 {"Right Capture Select", "Line", "LINEINR"}, 409 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 410 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 411 {"Right Capture Select", "Phone", "PHONE"}, 412 413 /* ALC Sidetone */ 414 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 415 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 416 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 417 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 418 419 /* ADC's */ 420 {"Left ADC", NULL, "Left Capture Select"}, 421 {"Right ADC", NULL, "Right Capture Select"}, 422 423 /* outputs */ 424 {"MONOOUT", NULL, "Phone Mixer"}, 425 {"HPOUTL", NULL, "Headphone PGA"}, 426 {"Headphone PGA", NULL, "Left HP Mixer"}, 427 {"HPOUTR", NULL, "Headphone PGA"}, 428 {"Headphone PGA", NULL, "Right HP Mixer"}, 429 430 /* mono hp mixer */ 431 {"Mono HP Mixer", NULL, "Left HP Mixer"}, 432 {"Mono HP Mixer", NULL, "Right HP Mixer"}, 433 434 /* Out3 Mux */ 435 {"Out3 Mux", "Left", "Left HP Mixer"}, 436 {"Out3 Mux", "Mono", "Phone Mixer"}, 437 {"Out3 Mux", "Left + Right", "Mono HP Mixer"}, 438 {"Out 3 PGA", NULL, "Out3 Mux"}, 439 {"OUT3", NULL, "Out 3 PGA"}, 440 441 /* speaker Mux */ 442 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 443 {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"}, 444 {"Speaker PGA", NULL, "Speaker Mux"}, 445 {"LOUT2", NULL, "Speaker PGA"}, 446 {"ROUT2", NULL, "Speaker PGA"}, 447 }; 448 449 static int wm9712_add_widgets(struct snd_soc_codec *codec) 450 { 451 snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets, 452 ARRAY_SIZE(wm9712_dapm_widgets)); 453 454 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 455 456 snd_soc_dapm_new_widgets(codec); 457 return 0; 458 } 459 460 static unsigned int ac97_read(struct snd_soc_codec *codec, 461 unsigned int reg) 462 { 463 u16 *cache = codec->reg_cache; 464 465 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 466 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 467 reg == AC97_REC_GAIN) 468 return soc_ac97_ops.read(codec->ac97, reg); 469 else { 470 reg = reg >> 1; 471 472 if (reg > (ARRAY_SIZE(wm9712_reg))) 473 return -EIO; 474 475 return cache[reg]; 476 } 477 } 478 479 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 480 unsigned int val) 481 { 482 u16 *cache = codec->reg_cache; 483 484 soc_ac97_ops.write(codec->ac97, reg, val); 485 reg = reg >> 1; 486 if (reg <= (ARRAY_SIZE(wm9712_reg))) 487 cache[reg] = val; 488 489 return 0; 490 } 491 492 static int ac97_prepare(struct snd_pcm_substream *substream) 493 { 494 struct snd_pcm_runtime *runtime = substream->runtime; 495 struct snd_soc_pcm_runtime *rtd = substream->private_data; 496 struct snd_soc_device *socdev = rtd->socdev; 497 struct snd_soc_codec *codec = socdev->codec; 498 int reg; 499 u16 vra; 500 501 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 502 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 503 504 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 505 reg = AC97_PCM_FRONT_DAC_RATE; 506 else 507 reg = AC97_PCM_LR_ADC_RATE; 508 509 return ac97_write(codec, reg, runtime->rate); 510 } 511 512 static int ac97_aux_prepare(struct snd_pcm_substream *substream) 513 { 514 struct snd_pcm_runtime *runtime = substream->runtime; 515 struct snd_soc_pcm_runtime *rtd = substream->private_data; 516 struct snd_soc_device *socdev = rtd->socdev; 517 struct snd_soc_codec *codec = socdev->codec; 518 u16 vra, xsle; 519 520 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 521 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 522 xsle = ac97_read(codec, AC97_PCI_SID); 523 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 524 525 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 526 return -ENODEV; 527 528 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 529 } 530 531 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 532 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 533 SNDRV_PCM_RATE_48000) 534 535 struct snd_soc_codec_dai wm9712_dai[] = { 536 { 537 .name = "AC97 HiFi", 538 .type = SND_SOC_DAI_AC97_BUS, 539 .playback = { 540 .stream_name = "HiFi Playback", 541 .channels_min = 1, 542 .channels_max = 2, 543 .rates = WM9712_AC97_RATES, 544 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 545 .capture = { 546 .stream_name = "HiFi Capture", 547 .channels_min = 1, 548 .channels_max = 2, 549 .rates = WM9712_AC97_RATES, 550 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 551 .ops = { 552 .prepare = ac97_prepare,}, 553 }, 554 { 555 .name = "AC97 Aux", 556 .playback = { 557 .stream_name = "Aux Playback", 558 .channels_min = 1, 559 .channels_max = 1, 560 .rates = WM9712_AC97_RATES, 561 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 562 .ops = { 563 .prepare = ac97_aux_prepare,}, 564 } 565 }; 566 EXPORT_SYMBOL_GPL(wm9712_dai); 567 568 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 569 enum snd_soc_bias_level level) 570 { 571 switch (level) { 572 case SND_SOC_BIAS_ON: 573 case SND_SOC_BIAS_PREPARE: 574 break; 575 case SND_SOC_BIAS_STANDBY: 576 ac97_write(codec, AC97_POWERDOWN, 0x0000); 577 break; 578 case SND_SOC_BIAS_OFF: 579 /* disable everything including AC link */ 580 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 581 ac97_write(codec, AC97_POWERDOWN, 0xffff); 582 break; 583 } 584 codec->bias_level = level; 585 return 0; 586 } 587 588 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 589 { 590 if (try_warm && soc_ac97_ops.warm_reset) { 591 soc_ac97_ops.warm_reset(codec->ac97); 592 if (ac97_read(codec, 0) == wm9712_reg[0]) 593 return 1; 594 } 595 596 soc_ac97_ops.reset(codec->ac97); 597 if (ac97_read(codec, 0) != wm9712_reg[0]) 598 goto err; 599 return 0; 600 601 err: 602 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 603 return -EIO; 604 } 605 606 static int wm9712_soc_suspend(struct platform_device *pdev, 607 pm_message_t state) 608 { 609 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 610 struct snd_soc_codec *codec = socdev->codec; 611 612 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF); 613 return 0; 614 } 615 616 static int wm9712_soc_resume(struct platform_device *pdev) 617 { 618 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 619 struct snd_soc_codec *codec = socdev->codec; 620 int i, ret; 621 u16 *cache = codec->reg_cache; 622 623 ret = wm9712_reset(codec, 1); 624 if (ret < 0) { 625 printk(KERN_ERR "could not reset AC97 codec\n"); 626 return ret; 627 } 628 629 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 630 631 if (ret == 0) { 632 /* Sync reg_cache with the hardware after cold reset */ 633 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 634 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 635 (i > 0x58 && i != 0x5c)) 636 continue; 637 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); 638 } 639 } 640 641 if (codec->suspend_bias_level == SND_SOC_BIAS_ON) 642 wm9712_set_bias_level(codec, SND_SOC_BIAS_ON); 643 644 return ret; 645 } 646 647 static int wm9712_soc_probe(struct platform_device *pdev) 648 { 649 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 650 struct snd_soc_codec *codec; 651 int ret = 0; 652 653 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); 654 655 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); 656 if (socdev->codec == NULL) 657 return -ENOMEM; 658 codec = socdev->codec; 659 mutex_init(&codec->mutex); 660 661 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL); 662 663 if (codec->reg_cache == NULL) { 664 ret = -ENOMEM; 665 goto cache_err; 666 } 667 codec->reg_cache_size = sizeof(wm9712_reg); 668 codec->reg_cache_step = 2; 669 670 codec->name = "WM9712"; 671 codec->owner = THIS_MODULE; 672 codec->dai = wm9712_dai; 673 codec->num_dai = ARRAY_SIZE(wm9712_dai); 674 codec->write = ac97_write; 675 codec->read = ac97_read; 676 codec->set_bias_level = wm9712_set_bias_level; 677 INIT_LIST_HEAD(&codec->dapm_widgets); 678 INIT_LIST_HEAD(&codec->dapm_paths); 679 680 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 681 if (ret < 0) { 682 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 683 goto codec_err; 684 } 685 686 /* register pcms */ 687 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 688 if (ret < 0) 689 goto pcm_err; 690 691 ret = wm9712_reset(codec, 0); 692 if (ret < 0) { 693 printk(KERN_ERR "AC97 link error\n"); 694 goto reset_err; 695 } 696 697 /* set alc mux to none */ 698 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 699 700 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 701 wm9712_add_controls(codec); 702 wm9712_add_widgets(codec); 703 ret = snd_soc_register_card(socdev); 704 if (ret < 0) { 705 printk(KERN_ERR "wm9712: failed to register card\n"); 706 goto reset_err; 707 } 708 709 return 0; 710 711 reset_err: 712 snd_soc_free_pcms(socdev); 713 714 pcm_err: 715 snd_soc_free_ac97_codec(codec); 716 717 codec_err: 718 kfree(codec->reg_cache); 719 720 cache_err: 721 kfree(socdev->codec); 722 socdev->codec = NULL; 723 return ret; 724 } 725 726 static int wm9712_soc_remove(struct platform_device *pdev) 727 { 728 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 729 struct snd_soc_codec *codec = socdev->codec; 730 731 if (codec == NULL) 732 return 0; 733 734 snd_soc_dapm_free(socdev); 735 snd_soc_free_pcms(socdev); 736 snd_soc_free_ac97_codec(codec); 737 kfree(codec->reg_cache); 738 kfree(codec); 739 return 0; 740 } 741 742 struct snd_soc_codec_device soc_codec_dev_wm9712 = { 743 .probe = wm9712_soc_probe, 744 .remove = wm9712_soc_remove, 745 .suspend = wm9712_soc_suspend, 746 .resume = wm9712_soc_resume, 747 }; 748 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712); 749 750 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 751 MODULE_AUTHOR("Liam Girdwood"); 752 MODULE_LICENSE("GPL"); 753