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 * Revision history 14 * 4th Feb 2006 Initial version. 15 */ 16 17 #include <linux/init.h> 18 #include <linux/module.h> 19 #include <linux/version.h> 20 #include <linux/kernel.h> 21 #include <linux/device.h> 22 #include <sound/driver.h> 23 #include <sound/core.h> 24 #include <sound/pcm.h> 25 #include <sound/ac97_codec.h> 26 #include <sound/initval.h> 27 #include <sound/soc.h> 28 #include <sound/soc-dapm.h> 29 30 #define WM9712_VERSION "0.4" 31 32 static unsigned int ac97_read(struct snd_soc_codec *codec, 33 unsigned int reg); 34 static int ac97_write(struct snd_soc_codec *codec, 35 unsigned int reg, unsigned int val); 36 37 /* 38 * WM9712 register cache 39 */ 40 static const u16 wm9712_reg[] = { 41 0x6174, 0x8000, 0x8000, 0x8000, // 6 42 0x0f0f, 0xaaa0, 0xc008, 0x6808, // e 43 0xe808, 0xaaa0, 0xad00, 0x8000, // 16 44 0xe808, 0x3000, 0x8000, 0x0000, // 1e 45 0x0000, 0x0000, 0x0000, 0x000f, // 26 46 0x0405, 0x0410, 0xbb80, 0xbb80, // 2e 47 0x0000, 0xbb80, 0x0000, 0x0000, // 36 48 0x0000, 0x2000, 0x0000, 0x0000, // 3e 49 0x0000, 0x0000, 0x0000, 0x0000, // 46 50 0x0000, 0x0000, 0xf83e, 0xffff, // 4e 51 0x0000, 0x0000, 0x0000, 0xf83e, // 56 52 0x0008, 0x0000, 0x0000, 0x0000, // 5e 53 0xb032, 0x3e00, 0x0000, 0x0000, // 66 54 0x0000, 0x0000, 0x0000, 0x0000, // 6e 55 0x0000, 0x0000, 0x0000, 0x0006, // 76 56 0x0001, 0x0000, 0x574d, 0x4c12, // 7e 57 0x0000, 0x0000 // virtual hp mixers 58 }; 59 60 /* virtual HP mixers regs */ 61 #define HPL_MIXER 0x80 62 #define HPR_MIXER 0x82 63 64 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 65 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 66 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 67 "Mono"}; 68 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 69 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 70 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 71 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 72 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 73 "Stereo"}; 74 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 75 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 76 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 77 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 78 79 static const struct soc_enum wm9712_enum[] = { 80 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), 81 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), 82 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), 83 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), 84 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), 85 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), 86 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), 87 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), 88 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), 89 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), 90 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), 91 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), 92 }; 93 94 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { 95 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), 96 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), 97 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), 98 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1), 99 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), 100 101 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), 102 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), 103 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), 104 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), 105 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0), 106 107 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), 108 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), 109 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), 110 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), 111 SOC_ENUM("ALC Function", wm9712_enum[0]), 112 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), 113 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), 114 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), 115 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), 116 SOC_ENUM("ALC NG Type", wm9712_enum[10]), 117 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), 118 119 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), 120 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), 121 122 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), 123 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), 124 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), 125 126 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), 127 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), 128 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), 129 130 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), 131 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), 132 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), 133 134 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0), 135 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), 136 137 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0), 138 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1), 139 140 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 141 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 142 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 143 144 SOC_ENUM("Bass Control", wm9712_enum[5]), 145 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 146 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 147 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 148 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0), 149 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0), 150 151 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1), 152 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 153 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1), 154 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 155 156 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), 157 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), 158 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0), 159 }; 160 161 /* add non dapm controls */ 162 static int wm9712_add_controls(struct snd_soc_codec *codec) 163 { 164 int err, i; 165 166 for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) { 167 err = snd_ctl_add(codec->card, 168 snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL)); 169 if (err < 0) 170 return err; 171 } 172 return 0; 173 } 174 175 /* We have to create a fake left and right HP mixers because 176 * the codec only has a single control that is shared by both channels. 177 * This makes it impossible to determine the audio path. 178 */ 179 static int mixer_event (struct snd_soc_dapm_widget *w, 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 char *audio_map[][3] = { 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 //{"Right HP Mixer", NULL, "HP Mixer"}, 366 367 /* Right HP mixer */ 368 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 369 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 370 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 371 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 372 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 373 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 374 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 375 376 /* speaker mixer */ 377 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 378 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 379 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 380 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 381 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 382 383 /* Phone mixer */ 384 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 385 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 386 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 387 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 388 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 389 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 390 391 /* inputs */ 392 {"Line PGA", NULL, "LINEINL"}, 393 {"Line PGA", NULL, "LINEINR"}, 394 {"Phone PGA", NULL, "PHONE"}, 395 {"Mic PGA", NULL, "MIC1"}, 396 {"Mic PGA", NULL, "MIC2"}, 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 hp mixer */ 432 {"Mono HP Mixer", NULL, "Left HP Mixer"}, 433 {"Mono HP 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 HP 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 HP Mixer"}, 445 {"Speaker PGA", NULL, "Speaker Mux"}, 446 {"LOUT2", NULL, "Speaker PGA"}, 447 {"ROUT2", NULL, "Speaker PGA"}, 448 449 {NULL, NULL, NULL}, 450 }; 451 452 static int wm9712_add_widgets(struct snd_soc_codec *codec) 453 { 454 int i; 455 456 for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) { 457 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]); 458 } 459 460 /* set up audio path audio_mapnects */ 461 for(i = 0; audio_map[i][0] != NULL; i++) { 462 snd_soc_dapm_connect_input(codec, audio_map[i][0], 463 audio_map[i][1], audio_map[i][2]); 464 } 465 466 snd_soc_dapm_new_widgets(codec); 467 return 0; 468 } 469 470 static unsigned int ac97_read(struct snd_soc_codec *codec, 471 unsigned int reg) 472 { 473 u16 *cache = codec->reg_cache; 474 475 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 476 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 477 reg == AC97_REC_GAIN) 478 return soc_ac97_ops.read(codec->ac97, reg); 479 else { 480 reg = reg >> 1; 481 482 if (reg > (ARRAY_SIZE(wm9712_reg))) 483 return -EIO; 484 485 return cache[reg]; 486 } 487 } 488 489 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 490 unsigned int val) 491 { 492 u16 *cache = codec->reg_cache; 493 494 soc_ac97_ops.write(codec->ac97, reg, val); 495 reg = reg >> 1; 496 if (reg <= (ARRAY_SIZE(wm9712_reg))) 497 cache[reg] = val; 498 499 return 0; 500 } 501 502 static int ac97_prepare(struct snd_pcm_substream *substream) 503 { 504 struct snd_pcm_runtime *runtime = substream->runtime; 505 struct snd_soc_pcm_runtime *rtd = substream->private_data; 506 struct snd_soc_device *socdev = rtd->socdev; 507 struct snd_soc_codec *codec = socdev->codec; 508 int reg; 509 u16 vra; 510 511 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 512 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 513 514 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 515 reg = AC97_PCM_FRONT_DAC_RATE; 516 else 517 reg = AC97_PCM_LR_ADC_RATE; 518 519 return ac97_write(codec, reg, runtime->rate); 520 } 521 522 static int ac97_aux_prepare(struct snd_pcm_substream *substream) 523 { 524 struct snd_pcm_runtime *runtime = substream->runtime; 525 struct snd_soc_pcm_runtime *rtd = substream->private_data; 526 struct snd_soc_device *socdev = rtd->socdev; 527 struct snd_soc_codec *codec = socdev->codec; 528 u16 vra, xsle; 529 530 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 531 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 532 xsle = ac97_read(codec, AC97_PCI_SID); 533 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 534 535 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 536 return -ENODEV; 537 538 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 539 } 540 541 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 542 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) 543 544 struct snd_soc_codec_dai wm9712_dai[] = { 545 { 546 .name = "AC97 HiFi", 547 .type = SND_SOC_DAI_AC97_BUS, 548 .playback = { 549 .stream_name = "HiFi Playback", 550 .channels_min = 1, 551 .channels_max = 2, 552 .rates = WM9712_AC97_RATES, 553 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 554 .capture = { 555 .stream_name = "HiFi Capture", 556 .channels_min = 1, 557 .channels_max = 2, 558 .rates = WM9712_AC97_RATES, 559 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 560 .ops = { 561 .prepare = ac97_prepare,}, 562 }, 563 { 564 .name = "AC97 Aux", 565 .playback = { 566 .stream_name = "Aux Playback", 567 .channels_min = 1, 568 .channels_max = 1, 569 .rates = WM9712_AC97_RATES, 570 .formats = SNDRV_PCM_FMTBIT_S16_LE,}, 571 .ops = { 572 .prepare = ac97_aux_prepare,}, 573 } 574 }; 575 EXPORT_SYMBOL_GPL(wm9712_dai); 576 577 static int wm9712_dapm_event(struct snd_soc_codec *codec, int event) 578 { 579 u16 reg; 580 581 switch (event) { 582 case SNDRV_CTL_POWER_D0: /* full On */ 583 /* liam - maybe enable thermal shutdown */ 584 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff; 585 ac97_write(codec, AC97_EXTENDED_MID, reg); 586 break; 587 case SNDRV_CTL_POWER_D1: /* partial On */ 588 case SNDRV_CTL_POWER_D2: /* partial On */ 589 break; 590 case SNDRV_CTL_POWER_D3hot: /* Off, with power */ 591 /* enable master bias and vmid */ 592 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff; 593 ac97_write(codec, AC97_EXTENDED_MID, reg); 594 ac97_write(codec, AC97_POWERDOWN, 0x0000); 595 break; 596 case SNDRV_CTL_POWER_D3cold: /* Off, without power */ 597 /* disable everything including AC link */ 598 ac97_write(codec, AC97_EXTENDED_MID, 0xffff); 599 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 600 ac97_write(codec, AC97_POWERDOWN, 0xffff); 601 break; 602 } 603 codec->dapm_state = event; 604 return 0; 605 } 606 607 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) 608 { 609 if (try_warm && soc_ac97_ops.warm_reset) { 610 soc_ac97_ops.warm_reset(codec->ac97); 611 if (!(ac97_read(codec, 0) & 0x8000)) 612 return 1; 613 } 614 615 soc_ac97_ops.reset(codec->ac97); 616 if (ac97_read(codec, 0) & 0x8000) 617 goto err; 618 return 0; 619 620 err: 621 printk(KERN_ERR "WM9712 AC97 reset failed\n"); 622 return -EIO; 623 } 624 625 static int wm9712_soc_suspend(struct platform_device *pdev, 626 pm_message_t state) 627 { 628 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 629 struct snd_soc_codec *codec = socdev->codec; 630 631 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold); 632 return 0; 633 } 634 635 static int wm9712_soc_resume(struct platform_device *pdev) 636 { 637 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 638 struct snd_soc_codec *codec = socdev->codec; 639 int i, ret; 640 u16 *cache = codec->reg_cache; 641 642 ret = wm9712_reset(codec, 1); 643 if (ret < 0){ 644 printk(KERN_ERR "could not reset AC97 codec\n"); 645 return ret; 646 } 647 648 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot); 649 650 if (ret == 0) { 651 /* Sync reg_cache with the hardware after cold reset */ 652 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) { 653 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 654 (i > 0x58 && i != 0x5c)) 655 continue; 656 soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); 657 } 658 } 659 660 if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) 661 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0); 662 663 return ret; 664 } 665 666 static int wm9712_soc_probe(struct platform_device *pdev) 667 { 668 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 669 struct snd_soc_codec *codec; 670 int ret = 0; 671 672 printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); 673 674 socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); 675 if (socdev->codec == NULL) 676 return -ENOMEM; 677 codec = socdev->codec; 678 mutex_init(&codec->mutex); 679 680 codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL); 681 682 if (codec->reg_cache == NULL) { 683 ret = -ENOMEM; 684 goto cache_err; 685 } 686 codec->reg_cache_size = sizeof(wm9712_reg); 687 codec->reg_cache_step = 2; 688 689 codec->name = "WM9712"; 690 codec->owner = THIS_MODULE; 691 codec->dai = wm9712_dai; 692 codec->num_dai = ARRAY_SIZE(wm9712_dai); 693 codec->write = ac97_write; 694 codec->read = ac97_read; 695 codec->dapm_event = wm9712_dapm_event; 696 INIT_LIST_HEAD(&codec->dapm_widgets); 697 INIT_LIST_HEAD(&codec->dapm_paths); 698 699 ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); 700 if (ret < 0) { 701 printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); 702 goto codec_err; 703 } 704 705 /* register pcms */ 706 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 707 if (ret < 0) 708 goto pcm_err; 709 710 ret = wm9712_reset(codec, 0); 711 if (ret < 0) { 712 printk(KERN_ERR "AC97 link error\n"); 713 goto reset_err; 714 } 715 716 /* set alc mux to none */ 717 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 718 719 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot); 720 wm9712_add_controls(codec); 721 wm9712_add_widgets(codec); 722 ret = snd_soc_register_card(socdev); 723 if (ret < 0) { 724 printk(KERN_ERR "wm9712: failed to register card\n"); 725 goto reset_err; 726 } 727 728 return 0; 729 730 reset_err: 731 snd_soc_free_pcms(socdev); 732 733 pcm_err: 734 snd_soc_free_ac97_codec(codec); 735 736 codec_err: 737 kfree(codec->reg_cache); 738 739 cache_err: 740 kfree(socdev->codec); 741 socdev->codec = NULL; 742 return ret; 743 } 744 745 static int wm9712_soc_remove(struct platform_device *pdev) 746 { 747 struct snd_soc_device *socdev = platform_get_drvdata(pdev); 748 struct snd_soc_codec *codec = socdev->codec; 749 750 if (codec == NULL) 751 return 0; 752 753 snd_soc_dapm_free(socdev); 754 snd_soc_free_pcms(socdev); 755 snd_soc_free_ac97_codec(codec); 756 kfree(codec->reg_cache); 757 kfree(codec); 758 return 0; 759 } 760 761 struct snd_soc_codec_device soc_codec_dev_wm9712 = { 762 .probe = wm9712_soc_probe, 763 .remove = wm9712_soc_remove, 764 .suspend = wm9712_soc_suspend, 765 .resume = wm9712_soc_resume, 766 }; 767 768 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712); 769 770 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 771 MODULE_AUTHOR("Liam Girdwood"); 772 MODULE_LICENSE("GPL"); 773