1 /* 2 * wm9712.c -- ALSA Soc WM9712 codec support 3 * 4 * Copyright 2006-12 Wolfson Microelectronics PLC. 5 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 */ 12 13 #include <linux/init.h> 14 #include <linux/slab.h> 15 #include <linux/module.h> 16 #include <linux/kernel.h> 17 #include <linux/device.h> 18 #include <sound/core.h> 19 #include <sound/pcm.h> 20 #include <sound/ac97_codec.h> 21 #include <sound/initval.h> 22 #include <sound/soc.h> 23 #include <sound/tlv.h> 24 #include "wm9712.h" 25 26 #define WM9712_VENDOR_ID 0x574d4c12 27 #define WM9712_VENDOR_ID_MASK 0xffffffff 28 29 struct wm9712_priv { 30 struct snd_ac97 *ac97; 31 unsigned int hp_mixer[2]; 32 struct mutex lock; 33 }; 34 35 static unsigned int ac97_read(struct snd_soc_codec *codec, 36 unsigned int reg); 37 static int ac97_write(struct snd_soc_codec *codec, 38 unsigned int reg, unsigned int val); 39 40 /* 41 * WM9712 register cache 42 */ 43 static const u16 wm9712_reg[] = { 44 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ 45 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ 46 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ 47 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ 48 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ 49 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ 50 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ 51 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ 52 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ 53 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ 54 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ 55 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ 56 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ 57 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ 58 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ 59 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ 60 }; 61 62 #define HPL_MIXER 0x0 63 #define HPR_MIXER 0x1 64 65 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"}; 66 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"}; 67 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", 68 "Mono"}; 69 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; 70 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; 71 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; 72 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; 73 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", 74 "Stereo"}; 75 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", 76 "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; 77 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; 78 static const char *wm9712_diff_sel[] = {"Mic", "Line"}; 79 80 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0); 81 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0); 82 83 static const struct soc_enum wm9712_enum[] = { 84 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), 85 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), 86 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), 87 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), 88 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), 89 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), 90 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), 91 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), 92 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), 93 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), 94 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), 95 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), 96 }; 97 98 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { 99 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), 100 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), 101 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), 102 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), 103 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), 104 105 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), 106 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), 107 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), 108 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), 109 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), 110 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), 111 112 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), 113 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), 114 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), 115 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), 116 SOC_ENUM("ALC Function", wm9712_enum[0]), 117 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), 118 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), 119 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), 120 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), 121 SOC_ENUM("ALC NG Type", wm9712_enum[10]), 122 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), 123 124 SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), 125 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), 126 127 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), 128 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), 129 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), 130 131 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), 132 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), 133 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), 134 135 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), 136 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), 137 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), 138 139 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), 140 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), 141 142 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv), 143 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1, 144 boost_tlv), 145 146 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), 147 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), 148 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), 149 150 SOC_ENUM("Bass Control", wm9712_enum[5]), 151 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), 152 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), 153 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), 154 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), 155 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), 156 157 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1), 158 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), 159 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0), 160 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), 161 162 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv), 163 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv), 164 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv), 165 }; 166 167 static const unsigned int wm9712_mixer_mute_regs[] = { 168 AC97_VIDEO, 169 AC97_PCM, 170 AC97_LINE, 171 AC97_PHONE, 172 AC97_CD, 173 AC97_PC_BEEP, 174 }; 175 176 /* We have to create a fake left and right HP mixers because 177 * the codec only has a single control that is shared by both channels. 178 * This makes it impossible to determine the audio path. 179 */ 180 static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol, 181 struct snd_ctl_elem_value *ucontrol) 182 { 183 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); 184 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); 185 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 186 unsigned int val = ucontrol->value.integer.value[0]; 187 struct soc_mixer_control *mc = 188 (struct soc_mixer_control *)kcontrol->private_value; 189 unsigned int mixer, mask, shift, old; 190 struct snd_soc_dapm_update update; 191 bool change; 192 193 mixer = mc->shift >> 8; 194 shift = mc->shift & 0xff; 195 mask = 1 << shift; 196 197 mutex_lock(&wm9712->lock); 198 old = wm9712->hp_mixer[mixer]; 199 if (ucontrol->value.integer.value[0]) 200 wm9712->hp_mixer[mixer] |= mask; 201 else 202 wm9712->hp_mixer[mixer] &= ~mask; 203 204 change = old != wm9712->hp_mixer[mixer]; 205 if (change) { 206 update.kcontrol = kcontrol; 207 update.reg = wm9712_mixer_mute_regs[shift]; 208 update.mask = 0x8000; 209 if ((wm9712->hp_mixer[0] & mask) || 210 (wm9712->hp_mixer[1] & mask)) 211 update.val = 0x0; 212 else 213 update.val = 0x8000; 214 215 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val, 216 &update); 217 } 218 219 mutex_unlock(&wm9712->lock); 220 221 return change; 222 } 223 224 static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol, 225 struct snd_ctl_elem_value *ucontrol) 226 { 227 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); 228 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); 229 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 230 struct soc_mixer_control *mc = 231 (struct soc_mixer_control *)kcontrol->private_value; 232 unsigned int shift, mixer; 233 234 mixer = mc->shift >> 8; 235 shift = mc->shift & 0xff; 236 237 ucontrol->value.integer.value[0] = 238 (wm9712->hp_mixer[mixer] >> shift) & 1; 239 240 return 0; 241 } 242 243 #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \ 244 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 245 .info = snd_soc_info_volsw, \ 246 .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \ 247 .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \ 248 (xmixer << 8) | xshift, 1, 0, 0) \ 249 } 250 251 /* Left Headphone Mixers */ 252 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = { 253 WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5), 254 WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4), 255 WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3), 256 WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2), 257 WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1), 258 WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0), 259 }; 260 261 /* Right Headphone Mixers */ 262 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = { 263 WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5), 264 WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4), 265 WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3), 266 WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2), 267 WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1), 268 WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0), 269 }; 270 271 /* Speaker Mixer */ 272 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { 273 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), 274 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), 275 SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), 276 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), 277 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), 278 }; 279 280 /* Phone Mixer */ 281 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { 282 SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), 283 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), 284 SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), 285 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), 286 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), 287 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), 288 }; 289 290 /* ALC headphone mux */ 291 static const struct snd_kcontrol_new wm9712_alc_mux_controls = 292 SOC_DAPM_ENUM("Route", wm9712_enum[1]); 293 294 /* out 3 mux */ 295 static const struct snd_kcontrol_new wm9712_out3_mux_controls = 296 SOC_DAPM_ENUM("Route", wm9712_enum[2]); 297 298 /* spk mux */ 299 static const struct snd_kcontrol_new wm9712_spk_mux_controls = 300 SOC_DAPM_ENUM("Route", wm9712_enum[3]); 301 302 /* Capture to Phone mux */ 303 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = 304 SOC_DAPM_ENUM("Route", wm9712_enum[4]); 305 306 /* Capture left select */ 307 static const struct snd_kcontrol_new wm9712_capture_selectl_controls = 308 SOC_DAPM_ENUM("Route", wm9712_enum[8]); 309 310 /* Capture right select */ 311 static const struct snd_kcontrol_new wm9712_capture_selectr_controls = 312 SOC_DAPM_ENUM("Route", wm9712_enum[9]); 313 314 /* Mic select */ 315 static const struct snd_kcontrol_new wm9712_mic_src_controls = 316 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]); 317 318 /* diff select */ 319 static const struct snd_kcontrol_new wm9712_diff_sel_controls = 320 SOC_DAPM_ENUM("Route", wm9712_enum[11]); 321 322 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { 323 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, 324 &wm9712_alc_mux_controls), 325 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, 326 &wm9712_out3_mux_controls), 327 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, 328 &wm9712_spk_mux_controls), 329 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, 330 &wm9712_capture_phone_mux_controls), 331 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, 332 &wm9712_capture_selectl_controls), 333 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, 334 &wm9712_capture_selectr_controls), 335 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0, 336 &wm9712_mic_src_controls), 337 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0, 338 &wm9712_mic_src_controls), 339 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0, 340 &wm9712_diff_sel_controls), 341 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 342 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1, 343 &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)), 344 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1, 345 &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)), 346 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1, 347 &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)), 348 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1, 349 &wm9712_speaker_mixer_controls[0], 350 ARRAY_SIZE(wm9712_speaker_mixer_controls)), 351 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 352 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), 353 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), 354 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), 355 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), 356 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), 357 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), 358 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), 359 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), 360 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), 361 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), 362 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), 363 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0), 364 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), 365 SND_SOC_DAPM_OUTPUT("MONOOUT"), 366 SND_SOC_DAPM_OUTPUT("HPOUTL"), 367 SND_SOC_DAPM_OUTPUT("HPOUTR"), 368 SND_SOC_DAPM_OUTPUT("LOUT2"), 369 SND_SOC_DAPM_OUTPUT("ROUT2"), 370 SND_SOC_DAPM_OUTPUT("OUT3"), 371 SND_SOC_DAPM_INPUT("LINEINL"), 372 SND_SOC_DAPM_INPUT("LINEINR"), 373 SND_SOC_DAPM_INPUT("PHONE"), 374 SND_SOC_DAPM_INPUT("PCBEEP"), 375 SND_SOC_DAPM_INPUT("MIC1"), 376 SND_SOC_DAPM_INPUT("MIC2"), 377 }; 378 379 static const struct snd_soc_dapm_route wm9712_audio_map[] = { 380 /* virtual mixer - mixes left & right channels for spk and mono */ 381 {"AC97 Mixer", NULL, "Left DAC"}, 382 {"AC97 Mixer", NULL, "Right DAC"}, 383 384 /* Left HP mixer */ 385 {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 386 {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, 387 {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 388 {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, 389 {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, 390 {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 391 {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, 392 393 /* Right HP mixer */ 394 {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 395 {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, 396 {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, 397 {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, 398 {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, 399 {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, 400 {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, 401 402 /* speaker mixer */ 403 {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 404 {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, 405 {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, 406 {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, 407 {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, 408 409 /* Phone mixer */ 410 {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, 411 {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, 412 {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, 413 {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, 414 {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, 415 {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, 416 417 /* inputs */ 418 {"Line PGA", NULL, "LINEINL"}, 419 {"Line PGA", NULL, "LINEINR"}, 420 {"Phone PGA", NULL, "PHONE"}, 421 {"Mic PGA", NULL, "MIC1"}, 422 {"Mic PGA", NULL, "MIC2"}, 423 424 /* microphones */ 425 {"Differential Mic", NULL, "MIC1"}, 426 {"Differential Mic", NULL, "MIC2"}, 427 {"Left Mic Select Source", "Mic 1", "MIC1"}, 428 {"Left Mic Select Source", "Mic 2", "MIC2"}, 429 {"Left Mic Select Source", "Stereo", "MIC1"}, 430 {"Left Mic Select Source", "Differential", "Differential Mic"}, 431 {"Right Mic Select Source", "Mic 1", "MIC1"}, 432 {"Right Mic Select Source", "Mic 2", "MIC2"}, 433 {"Right Mic Select Source", "Stereo", "MIC2"}, 434 {"Right Mic Select Source", "Differential", "Differential Mic"}, 435 436 /* left capture selector */ 437 {"Left Capture Select", "Mic", "MIC1"}, 438 {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, 439 {"Left Capture Select", "Line", "LINEINL"}, 440 {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, 441 {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, 442 {"Left Capture Select", "Phone", "PHONE"}, 443 444 /* right capture selector */ 445 {"Right Capture Select", "Mic", "MIC2"}, 446 {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, 447 {"Right Capture Select", "Line", "LINEINR"}, 448 {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, 449 {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, 450 {"Right Capture Select", "Phone", "PHONE"}, 451 452 /* ALC Sidetone */ 453 {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, 454 {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, 455 {"ALC Sidetone Mux", "Left", "Left Capture Select"}, 456 {"ALC Sidetone Mux", "Right", "Right Capture Select"}, 457 458 /* ADC's */ 459 {"Left ADC", NULL, "Left Capture Select"}, 460 {"Right ADC", NULL, "Right Capture Select"}, 461 462 /* outputs */ 463 {"MONOOUT", NULL, "Phone Mixer"}, 464 {"HPOUTL", NULL, "Headphone PGA"}, 465 {"Headphone PGA", NULL, "Left HP Mixer"}, 466 {"HPOUTR", NULL, "Headphone PGA"}, 467 {"Headphone PGA", NULL, "Right HP Mixer"}, 468 469 /* mono mixer */ 470 {"Mono Mixer", NULL, "Left HP Mixer"}, 471 {"Mono Mixer", NULL, "Right HP Mixer"}, 472 473 /* Out3 Mux */ 474 {"Out3 Mux", "Left", "Left HP Mixer"}, 475 {"Out3 Mux", "Mono", "Phone Mixer"}, 476 {"Out3 Mux", "Left + Right", "Mono Mixer"}, 477 {"Out 3 PGA", NULL, "Out3 Mux"}, 478 {"OUT3", NULL, "Out 3 PGA"}, 479 480 /* speaker Mux */ 481 {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, 482 {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, 483 {"Speaker PGA", NULL, "Speaker Mux"}, 484 {"LOUT2", NULL, "Speaker PGA"}, 485 {"ROUT2", NULL, "Speaker PGA"}, 486 }; 487 488 static unsigned int ac97_read(struct snd_soc_codec *codec, 489 unsigned int reg) 490 { 491 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 492 u16 *cache = codec->reg_cache; 493 494 if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || 495 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 || 496 reg == AC97_REC_GAIN) 497 return soc_ac97_ops->read(wm9712->ac97, reg); 498 else { 499 reg = reg >> 1; 500 501 if (reg >= (ARRAY_SIZE(wm9712_reg))) 502 return -EIO; 503 504 return cache[reg]; 505 } 506 } 507 508 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, 509 unsigned int val) 510 { 511 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 512 u16 *cache = codec->reg_cache; 513 514 soc_ac97_ops->write(wm9712->ac97, reg, val); 515 reg = reg >> 1; 516 if (reg < (ARRAY_SIZE(wm9712_reg))) 517 cache[reg] = val; 518 519 return 0; 520 } 521 522 static int ac97_prepare(struct snd_pcm_substream *substream, 523 struct snd_soc_dai *dai) 524 { 525 struct snd_soc_codec *codec = dai->codec; 526 int reg; 527 u16 vra; 528 struct snd_pcm_runtime *runtime = substream->runtime; 529 530 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 531 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 532 533 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 534 reg = AC97_PCM_FRONT_DAC_RATE; 535 else 536 reg = AC97_PCM_LR_ADC_RATE; 537 538 return ac97_write(codec, reg, runtime->rate); 539 } 540 541 static int ac97_aux_prepare(struct snd_pcm_substream *substream, 542 struct snd_soc_dai *dai) 543 { 544 struct snd_soc_codec *codec = dai->codec; 545 u16 vra, xsle; 546 struct snd_pcm_runtime *runtime = substream->runtime; 547 548 vra = ac97_read(codec, AC97_EXTENDED_STATUS); 549 ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); 550 xsle = ac97_read(codec, AC97_PCI_SID); 551 ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); 552 553 if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) 554 return -ENODEV; 555 556 return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); 557 } 558 559 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 560 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ 561 SNDRV_PCM_RATE_48000) 562 563 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { 564 .prepare = ac97_prepare, 565 }; 566 567 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { 568 .prepare = ac97_aux_prepare, 569 }; 570 571 static struct snd_soc_dai_driver wm9712_dai[] = { 572 { 573 .name = "wm9712-hifi", 574 .playback = { 575 .stream_name = "HiFi Playback", 576 .channels_min = 1, 577 .channels_max = 2, 578 .rates = WM9712_AC97_RATES, 579 .formats = SND_SOC_STD_AC97_FMTS,}, 580 .capture = { 581 .stream_name = "HiFi Capture", 582 .channels_min = 1, 583 .channels_max = 2, 584 .rates = WM9712_AC97_RATES, 585 .formats = SND_SOC_STD_AC97_FMTS,}, 586 .ops = &wm9712_dai_ops_hifi, 587 }, 588 { 589 .name = "wm9712-aux", 590 .playback = { 591 .stream_name = "Aux Playback", 592 .channels_min = 1, 593 .channels_max = 1, 594 .rates = WM9712_AC97_RATES, 595 .formats = SND_SOC_STD_AC97_FMTS,}, 596 .ops = &wm9712_dai_ops_aux, 597 } 598 }; 599 600 static int wm9712_set_bias_level(struct snd_soc_codec *codec, 601 enum snd_soc_bias_level level) 602 { 603 switch (level) { 604 case SND_SOC_BIAS_ON: 605 case SND_SOC_BIAS_PREPARE: 606 break; 607 case SND_SOC_BIAS_STANDBY: 608 ac97_write(codec, AC97_POWERDOWN, 0x0000); 609 break; 610 case SND_SOC_BIAS_OFF: 611 /* disable everything including AC link */ 612 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); 613 ac97_write(codec, AC97_POWERDOWN, 0xffff); 614 break; 615 } 616 return 0; 617 } 618 619 static int wm9712_soc_resume(struct snd_soc_codec *codec) 620 { 621 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 622 int i, ret; 623 u16 *cache = codec->reg_cache; 624 625 ret = snd_ac97_reset(wm9712->ac97, true, WM9712_VENDOR_ID, 626 WM9712_VENDOR_ID_MASK); 627 if (ret < 0) 628 return ret; 629 630 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY); 631 632 if (ret == 0) { 633 /* Sync reg_cache with the hardware after cold reset */ 634 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { 635 if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || 636 (i > 0x58 && i != 0x5c)) 637 continue; 638 soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]); 639 } 640 } 641 642 return ret; 643 } 644 645 static int wm9712_soc_probe(struct snd_soc_codec *codec) 646 { 647 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 648 int ret; 649 650 wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID, 651 WM9712_VENDOR_ID_MASK); 652 if (IS_ERR(wm9712->ac97)) { 653 ret = PTR_ERR(wm9712->ac97); 654 dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret); 655 return ret; 656 } 657 658 /* set alc mux to none */ 659 ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); 660 661 return 0; 662 } 663 664 static int wm9712_soc_remove(struct snd_soc_codec *codec) 665 { 666 struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); 667 668 snd_soc_free_ac97_codec(wm9712->ac97); 669 return 0; 670 } 671 672 static const struct snd_soc_codec_driver soc_codec_dev_wm9712 = { 673 .probe = wm9712_soc_probe, 674 .remove = wm9712_soc_remove, 675 .resume = wm9712_soc_resume, 676 .read = ac97_read, 677 .write = ac97_write, 678 .set_bias_level = wm9712_set_bias_level, 679 .suspend_bias_off = true, 680 .reg_cache_size = ARRAY_SIZE(wm9712_reg), 681 .reg_word_size = sizeof(u16), 682 .reg_cache_step = 2, 683 .reg_cache_default = wm9712_reg, 684 685 .component_driver = { 686 .controls = wm9712_snd_ac97_controls, 687 .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls), 688 .dapm_widgets = wm9712_dapm_widgets, 689 .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets), 690 .dapm_routes = wm9712_audio_map, 691 .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), 692 }, 693 }; 694 695 static int wm9712_probe(struct platform_device *pdev) 696 { 697 struct wm9712_priv *wm9712; 698 699 wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL); 700 if (wm9712 == NULL) 701 return -ENOMEM; 702 703 mutex_init(&wm9712->lock); 704 705 platform_set_drvdata(pdev, wm9712); 706 707 return snd_soc_register_codec(&pdev->dev, 708 &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai)); 709 } 710 711 static int wm9712_remove(struct platform_device *pdev) 712 { 713 snd_soc_unregister_codec(&pdev->dev); 714 return 0; 715 } 716 717 static struct platform_driver wm9712_codec_driver = { 718 .driver = { 719 .name = "wm9712-codec", 720 }, 721 722 .probe = wm9712_probe, 723 .remove = wm9712_remove, 724 }; 725 726 module_platform_driver(wm9712_codec_driver); 727 728 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); 729 MODULE_AUTHOR("Liam Girdwood"); 730 MODULE_LICENSE("GPL"); 731