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 <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 /* We have to create a fake left and right HP mixers because 159 * the codec only has a single control that is shared by both channels. 160 * This makes it impossible to determine the audio path. 161 */ 162 static int mixer_event(struct snd_soc_dapm_widget *w, 163 struct snd_kcontrol *k, int event) 164 { 165 u16 l, r, beep, line, phone, mic, pcm, aux; 166 167 l = ac97_read(w->codec, HPL_MIXER); 168 r = ac97_read(w->codec, HPR_MIXER); 169 beep = ac97_read(w->codec, AC97_PC_BEEP); 170 mic = ac97_read(w->codec, AC97_VIDEO); 171 phone = ac97_read(w->codec, AC97_PHONE); 172 line = ac97_read(w->codec, AC97_LINE); 173 pcm = ac97_read(w->codec, AC97_PCM); 174 aux = ac97_read(w->codec, AC97_CD); 175 176 if (l & 0x1 || r & 0x1) 177 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff); 178 else 179 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); 180 181 if (l & 0x2 || r & 0x2) 182 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); 183 else 184 ac97_write(w->codec, AC97_PCM, pcm | 0x8000); 185 186 if (l & 0x4 || r & 0x4) 187 ac97_write(w->codec, AC97_LINE, line & 0x7fff); 188 else 189 ac97_write(w->codec, AC97_LINE, line | 0x8000); 190 191 if (l & 0x8 || r & 0x8) 192 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); 193 else 194 ac97_write(w->codec, AC97_PHONE, phone | 0x8000); 195 196 if (l & 0x10 || r & 0x10) 197 ac97_write(w->codec, AC97_CD, aux & 0x7fff); 198 else 199 ac97_write(w->codec, AC97_CD, aux | 0x8000); 200 201 if (l & 0x20 || r & 0x20) 202 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); 203 else 204 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); 205 206 return 0; 207 } 208 209 /* Left Headphone Mixers */ 210 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 211 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0), 212 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0), 213 SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0), 214 SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0), 215 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0), 216 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0), 217 }; 218 219 /* Right Headphone Mixers */ 220 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 221 SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0), 222 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0), 223 SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0), 224 SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0), 225 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0), 226 SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0), 227 }; 228 229 /* Speaker Mixer */ 230 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 231 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 232 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 233 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 234 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 235 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 236 }; 237 238 /* Phone Mixer */ 239 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 240 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 241 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 242 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 243 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 244 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 245 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 246 }; 247 248 /* ALC headphone mux */ 249 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 250 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 251 252 /* out 3 mux */ 253 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 254 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 255 256 /* spk mux */ 257 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 258 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 259 260 /* Capture to Phone mux */ 261 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 262 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 263 264 /* Capture left select */ 265 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 266 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 267 268 /* Capture right select */ 269 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 270 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 271 272 /* Mic select */ 273 static const struct snd_kcontrol_new wm9712_mic_src_controls = 274 SOC_DAPM_ENUM("Route", wm9712_enum[7]); 275 276 /* diff select */ 277 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 278 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 279 280 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 281 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 282 &wm9712_alc_mux_controls), 283 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 284 &wm9712_out3_mux_controls), 285 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 286 &wm9712_spk_mux_controls), 287 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 288 &wm9712_capture_phone_mux_controls), 289 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 290 &wm9712_capture_selectl_controls), 291 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 292 &wm9712_capture_selectr_controls), 293 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0, 294 &wm9712_mic_src_controls), 295 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 296 &wm9712_diff_sel_controls), 297 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 298 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1, 299 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls), 300 mixer_event, SND_SOC_DAPM_POST_REG), 301 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1, 302 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls), 303 mixer_event, SND_SOC_DAPM_POST_REG), 304 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 305 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 306 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 307 &wm9712_speaker_mixer_controls[0], 308 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 309 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 310 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 311 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 312 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 313 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 314 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 315 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 316 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 317 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 318 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 319 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 320 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 321 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 322 SND_SOC_DAPM_OUTPUT("MONOOUT"), 323 SND_SOC_DAPM_OUTPUT("HPOUTL"), 324 SND_SOC_DAPM_OUTPUT("HPOUTR"), 325 SND_SOC_DAPM_OUTPUT("LOUT2"), 326 SND_SOC_DAPM_OUTPUT("ROUT2"), 327 SND_SOC_DAPM_OUTPUT("OUT3"), 328 SND_SOC_DAPM_INPUT("LINEINL"), 329 SND_SOC_DAPM_INPUT("LINEINR"), 330 SND_SOC_DAPM_INPUT("PHONE"), 331 SND_SOC_DAPM_INPUT("PCBEEP"), 332 SND_SOC_DAPM_INPUT("MIC1"), 333 SND_SOC_DAPM_INPUT("MIC2"), 334 }; 335 336 static const struct snd_soc_dapm_route audio_map[] = { 337 /* virtual mixer - mixes left & right channels for spk and mono */ 338 {"AC97 Mixer", NULL, "Left DAC"}, 339 {"AC97 Mixer", NULL, "Right DAC"}, 340 341 /* Left HP mixer */ 342 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 343 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 344 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 345 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 346 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 347 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 348 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 349 350 /* Right HP mixer */ 351 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 352 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 353 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 354 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 355 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 356 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 357 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 358 359 /* speaker mixer */ 360 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 361 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 362 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 363 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 364 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 365 366 /* Phone mixer */ 367 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 368 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 369 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 370 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 371 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 372 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 373 374 /* inputs */ 375 {"Line PGA", NULL, "LINEINL"}, 376 {"Line PGA", NULL, "LINEINR"}, 377 {"Phone PGA", NULL, "PHONE"}, 378 {"Mic PGA", NULL, "MIC1"}, 379 {"Mic PGA", NULL, "MIC2"}, 380 381 /* left capture selector */ 382 {"Left Capture Select", "Mic", "MIC1"}, 383 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 384 {"Left Capture Select", "Line", "LINEINL"}, 385 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 386 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 387 {"Left Capture Select", "Phone", "PHONE"}, 388 389 /* right capture selector */ 390 {"Right Capture Select", "Mic", "MIC2"}, 391 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 392 {"Right Capture Select", "Line", "LINEINR"}, 393 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 394 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 395 {"Right Capture Select", "Phone", "PHONE"}, 396 397 /* ALC Sidetone */ 398 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 399 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 400 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 401 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 402 403 /* ADC's */ 404 {"Left ADC", NULL, "Left Capture Select"}, 405 {"Right ADC", NULL, "Right Capture Select"}, 406 407 /* outputs */ 408 {"MONOOUT", NULL, "Phone Mixer"}, 409 {"HPOUTL", NULL, "Headphone PGA"}, 410 {"Headphone PGA", NULL, "Left HP Mixer"}, 411 {"HPOUTR", NULL, "Headphone PGA"}, 412 {"Headphone PGA", NULL, "Right HP Mixer"}, 413 414 /* mono mixer */ 415 {"Mono Mixer", NULL, "Left HP Mixer"}, 416 {"Mono Mixer", NULL, "Right HP Mixer"}, 417 418 /* Out3 Mux */ 419 {"Out3 Mux", "Left", "Left HP Mixer"}, 420 {"Out3 Mux", "Mono", "Phone Mixer"}, 421 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 422 {"Out 3 PGA", NULL, "Out3 Mux"}, 423 {"OUT3", NULL, "Out 3 PGA"}, 424 425 /* speaker Mux */ 426 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 427 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 428 {"Speaker PGA", NULL, "Speaker Mux"}, 429 {"LOUT2", NULL, "Speaker PGA"}, 430 {"ROUT2", NULL, "Speaker PGA"}, 431 }; 432 433 static int wm9712_add_widgets(struct snd_soc_codec *codec) 434 { 435 snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets, 436 ARRAY_SIZE(wm9712_dapm_widgets)); 437 438 snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 439 440 return 0; 441 } 442 443 static unsigned int ac97_read(struct snd_soc_codec *codec, 444 unsigned int reg) 445 { 446 u16 *cache = codec->reg_cache; 447 448 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 449 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 450 reg == AC97_REC_GAIN) 451 return soc_ac97_ops.read(codec->ac97, reg); 452 else { 453 reg = reg >> 1; 454 455 if (reg >= (ARRAY_SIZE(wm9712_reg))) 456 return -EIO; 457 458 return cache[reg]; 459 } 460 } 461 462 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 463 unsigned int val) 464 { 465 u16 *cache = codec->reg_cache; 466 467 if (reg < 0x7c) 468 soc_ac97_ops.write(codec->ac97, reg, val); 469 reg = reg >> 1; 470 if (reg < (ARRAY_SIZE(wm9712_reg))) 471 cache[reg] = val; 472 473 return 0; 474 } 475 476 static int ac97_prepare(struct snd_pcm_substream *substream, 477 struct snd_soc_dai *dai) 478 { 479 struct snd_pcm_runtime *runtime = substream->runtime; 480 struct snd_soc_pcm_runtime *rtd = substream->private_data; 481 struct snd_soc_device *socdev = rtd->socdev; 482 struct snd_soc_codec *codec = socdev->card->codec; 483 int reg; 484 u16 vra; 485 486 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 487 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 488 489 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 490 reg = AC97_PCM_FRONT_DAC_RATE; 491 else 492 reg = AC97_PCM_LR_ADC_RATE; 493 494 return ac97_write(codec, reg, runtime->rate); 495 } 496 497 static int ac97_aux_prepare(struct snd_pcm_substream *substream, 498 struct snd_soc_dai *dai) 499 { 500 struct snd_pcm_runtime *runtime = substream->runtime; 501 struct snd_soc_pcm_runtime *rtd = substream->private_data; 502 struct snd_soc_device *socdev = rtd->socdev; 503 struct snd_soc_codec *codec = socdev->card->codec; 504 u16 vra, xsle; 505 506 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 507 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 508 xsle = ac97_read(codec, AC97_PCI_SID); 509 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 510 511 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 512 return -ENODEV; 513 514 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 515 } 516 517 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 518 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 519 SNDRV_PCM_RATE_48000) 520 521 static struct snd_soc_dai_ops wm9712_dai_ops_hifi = { 522 .prepare = ac97_prepare, 523 }; 524 525 static struct snd_soc_dai_ops wm9712_dai_ops_aux = { 526 .prepare = ac97_aux_prepare, 527 }; 528 529 struct snd_soc_dai wm9712_dai[] = { 530 { 531 .name = "AC97 HiFi", 532 .ac97_control = 1, 533 .playback = { 534 .stream_name = "HiFi Playback", 535 .channels_min = 1, 536 .channels_max = 2, 537 .rates = WM9712_AC97_RATES, 538 .formats = SND_SOC_STD_AC97_FMTS,}, 539 .capture = { 540 .stream_name = "HiFi Capture", 541 .channels_min = 1, 542 .channels_max = 2, 543 .rates = WM9712_AC97_RATES, 544 .formats = SND_SOC_STD_AC97_FMTS,}, 545 .ops = &wm9712_dai_ops_hifi, 546 }, 547 { 548 .name = "AC97 Aux", 549 .playback = { 550 .stream_name = "Aux Playback", 551 .channels_min = 1, 552 .channels_max = 1, 553 .rates = WM9712_AC97_RATES, 554 .formats = SND_SOC_STD_AC97_FMTS,}, 555 .ops = &wm9712_dai_ops_aux, 556 } 557 }; 558 EXPORT_SYMBOL_GPL(wm9712_dai); 559 560 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 561 enum snd_soc_bias_level level) 562 { 563 switch (level) { 564 case SND_SOC_BIAS_ON: 565 case SND_SOC_BIAS_PREPARE: 566 break; 567 case SND_SOC_BIAS_STANDBY: 568 ac97_write(codec, AC97_POWERDOWN, 0x0000); 569 break; 570 case SND_SOC_BIAS_OFF: 571 /* disable everything including AC link */ 572 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 573 ac97_write(codec, AC97_POWERDOWN, 0xffff); 574 break; 575 } 576 codec->bias_level = level; 577 return 0; 578 } 579 580 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 581 { 582 if (try_warm && soc_ac97_ops.warm_reset) { 583 soc_ac97_ops.warm_reset(codec->ac97); 584 if (ac97_read(codec, 0) == wm9712_reg[0]) 585 return 1; 586 } 587 588 soc_ac97_ops.reset(codec->ac97); 589 if (soc_ac97_ops.warm_reset) 590 soc_ac97_ops.warm_reset(codec->ac97); 591 if (ac97_read(codec, 0) != wm9712_reg[0]) 592 goto err; 593 return 0; 594 595 err: 596 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 597 return -EIO; 598 } 599 600 static int wm9712_soc_suspend(struct platform_device *pdev, 601 pm_message_t state) 602 { 603 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 604 struct snd_soc_codec *codec = socdev->card->codec; 605 606 wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF); 607 return 0; 608 } 609 610 static int wm9712_soc_resume(struct platform_device *pdev) 611 { 612 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 613 struct snd_soc_codec *codec = socdev->card->codec; 614 int i, ret; 615 u16 *cache = codec->reg_cache; 616 617 ret = wm9712_reset(codec, 1); 618 if (ret < 0) { 619 printk(KERN_ERR "could not reset AC97 codec\n"); 620 return ret; 621 } 622 623 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 624 625 if (ret == 0) { 626 /* Sync reg_cache with the hardware after cold reset */ 627 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 628 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 629 (i > 0x58 && i != 0x5c)) 630 continue; 631 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); 632 } 633 } 634 635 return ret; 636 } 637 638 static int wm9712_soc_probe(struct platform_device *pdev) 639 { 640 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 641 struct snd_soc_codec *codec; 642 int ret = 0; 643 644 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); 645 646 socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), 647 GFP_KERNEL); 648 if (socdev->card->codec == NULL) 649 return -ENOMEM; 650 codec = socdev->card->codec; 651 mutex_init(&codec->mutex); 652 653 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL); 654 655 if (codec->reg_cache == NULL) { 656 ret = -ENOMEM; 657 goto cache_err; 658 } 659 codec->reg_cache_size = sizeof(wm9712_reg); 660 codec->reg_cache_step = 2; 661 662 codec->name = "WM9712"; 663 codec->owner = THIS_MODULE; 664 codec->dai = wm9712_dai; 665 codec->num_dai = ARRAY_SIZE(wm9712_dai); 666 codec->write = ac97_write; 667 codec->read = ac97_read; 668 codec->set_bias_level = wm9712_set_bias_level; 669 INIT_LIST_HEAD(&codec->dapm_widgets); 670 INIT_LIST_HEAD(&codec->dapm_paths); 671 672 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 673 if (ret < 0) { 674 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 675 goto codec_err; 676 } 677 678 /* register pcms */ 679 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 680 if (ret < 0) 681 goto pcm_err; 682 683 ret = wm9712_reset(codec, 0); 684 if (ret < 0) { 685 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n"); 686 goto reset_err; 687 } 688 689 /* set alc mux to none */ 690 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 691 692 wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 693 snd_soc_add_controls(codec, wm9712_snd_ac97_controls, 694 ARRAY_SIZE(wm9712_snd_ac97_controls)); 695 wm9712_add_widgets(codec); 696 697 return 0; 698 699 reset_err: 700 snd_soc_free_pcms(socdev); 701 pcm_err: 702 snd_soc_free_ac97_codec(codec); 703 704 codec_err: 705 kfree(codec->reg_cache); 706 707 cache_err: 708 kfree(socdev->card->codec); 709 socdev->card->codec = NULL; 710 return ret; 711 } 712 713 static int wm9712_soc_remove(struct platform_device *pdev) 714 { 715 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 716 struct snd_soc_codec *codec = socdev->card->codec; 717 718 if (codec == NULL) 719 return 0; 720 721 snd_soc_dapm_free(socdev); 722 snd_soc_free_pcms(socdev); 723 snd_soc_free_ac97_codec(codec); 724 kfree(codec->reg_cache); 725 kfree(codec); 726 return 0; 727 } 728 729 struct snd_soc_codec_device soc_codec_dev_wm9712 = { 730 .probe = wm9712_soc_probe, 731 .remove = wm9712_soc_remove, 732 .suspend = wm9712_soc_suspend, 733 .resume = wm9712_soc_resume, 734 }; 735 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712); 736 737 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 738 MODULE_AUTHOR("Liam Girdwood"); 739 MODULE_LICENSE("GPL"); 740