1 /* 2 * wm8400.c -- WM8400 ALSA Soc Audio driver 3 * 4 * Copyright 2008-11 Wolfson Microelectronics PLC. 5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 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 14 #include <linux/module.h> 15 #include <linux/moduleparam.h> 16 #include <linux/kernel.h> 17 #include <linux/slab.h> 18 #include <linux/init.h> 19 #include <linux/delay.h> 20 #include <linux/pm.h> 21 #include <linux/platform_device.h> 22 #include <linux/regulator/consumer.h> 23 #include <linux/mfd/wm8400-audio.h> 24 #include <linux/mfd/wm8400-private.h> 25 #include <linux/mfd/core.h> 26 #include <sound/core.h> 27 #include <sound/pcm.h> 28 #include <sound/pcm_params.h> 29 #include <sound/soc.h> 30 #include <sound/initval.h> 31 #include <sound/tlv.h> 32 33 #include "wm8400.h" 34 35 /* Fake register for internal state */ 36 #define WM8400_INTDRIVBITS (WM8400_REGISTER_COUNT + 1) 37 #define WM8400_INMIXL_PWR 0 38 #define WM8400_AINLMUX_PWR 1 39 #define WM8400_INMIXR_PWR 2 40 #define WM8400_AINRMUX_PWR 3 41 42 static struct regulator_bulk_data power[] = { 43 { 44 .supply = "I2S1VDD", 45 }, 46 { 47 .supply = "I2S2VDD", 48 }, 49 { 50 .supply = "DCVDD", 51 }, 52 { 53 .supply = "AVDD", 54 }, 55 { 56 .supply = "FLLVDD", 57 }, 58 { 59 .supply = "HPVDD", 60 }, 61 { 62 .supply = "SPKVDD", 63 }, 64 }; 65 66 /* codec private data */ 67 struct wm8400_priv { 68 struct snd_soc_codec *codec; 69 struct wm8400 *wm8400; 70 u16 fake_register; 71 unsigned int sysclk; 72 unsigned int pcmclk; 73 struct work_struct work; 74 int fll_in, fll_out; 75 }; 76 77 static inline unsigned int wm8400_read(struct snd_soc_codec *codec, 78 unsigned int reg) 79 { 80 struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); 81 82 if (reg == WM8400_INTDRIVBITS) 83 return wm8400->fake_register; 84 else 85 return wm8400_reg_read(wm8400->wm8400, reg); 86 } 87 88 /* 89 * write to the wm8400 register space 90 */ 91 static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg, 92 unsigned int value) 93 { 94 struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); 95 96 if (reg == WM8400_INTDRIVBITS) { 97 wm8400->fake_register = value; 98 return 0; 99 } else 100 return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value); 101 } 102 103 static void wm8400_codec_reset(struct snd_soc_codec *codec) 104 { 105 struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); 106 107 wm8400_reset_codec_reg_cache(wm8400->wm8400); 108 } 109 110 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0); 111 112 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0); 113 114 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0); 115 116 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0); 117 118 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0); 119 120 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0); 121 122 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0); 123 124 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0); 125 126 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, 127 struct snd_ctl_elem_value *ucontrol) 128 { 129 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 130 struct soc_mixer_control *mc = 131 (struct soc_mixer_control *)kcontrol->private_value; 132 int reg = mc->reg; 133 int ret; 134 u16 val; 135 136 ret = snd_soc_put_volsw(kcontrol, ucontrol); 137 if (ret < 0) 138 return ret; 139 140 /* now hit the volume update bits (always bit 8) */ 141 val = snd_soc_read(codec, reg); 142 return snd_soc_write(codec, reg, val | 0x0100); 143 } 144 145 #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \ 146 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 147 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ 148 SNDRV_CTL_ELEM_ACCESS_READWRITE,\ 149 .tlv.p = (tlv_array), \ 150 .info = snd_soc_info_volsw, \ 151 .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \ 152 .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } 153 154 155 static const char *wm8400_digital_sidetone[] = 156 {"None", "Left ADC", "Right ADC", "Reserved"}; 157 158 static const struct soc_enum wm8400_left_digital_sidetone_enum = 159 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, 160 WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone); 161 162 static const struct soc_enum wm8400_right_digital_sidetone_enum = 163 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, 164 WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone); 165 166 static const char *wm8400_adcmode[] = 167 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; 168 169 static const struct soc_enum wm8400_right_adcmode_enum = 170 SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode); 171 172 static const struct snd_kcontrol_new wm8400_snd_controls[] = { 173 /* INMIXL */ 174 SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT, 175 1, 0), 176 SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT, 177 1, 0), 178 /* INMIXR */ 179 SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT, 180 1, 0), 181 SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT, 182 1, 0), 183 184 /* LOMIX */ 185 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3, 186 WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv), 187 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3, 188 WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv), 189 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3, 190 WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv), 191 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5, 192 WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv), 193 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5, 194 WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv), 195 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5, 196 WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv), 197 198 /* ROMIX */ 199 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4, 200 WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv), 201 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4, 202 WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv), 203 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4, 204 WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv), 205 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6, 206 WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv), 207 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6, 208 WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv), 209 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6, 210 WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv), 211 212 /* LOUT */ 213 WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME, 214 WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv), 215 SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0), 216 217 /* ROUT */ 218 WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME, 219 WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv), 220 SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0), 221 222 /* LOPGA */ 223 WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME, 224 WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv), 225 SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME, 226 WM8400_LOPGAZC_SHIFT, 1, 0), 227 228 /* ROPGA */ 229 WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME, 230 WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv), 231 SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME, 232 WM8400_ROPGAZC_SHIFT, 1, 0), 233 234 SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, 235 WM8400_LONMUTE_SHIFT, 1, 0), 236 SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, 237 WM8400_LOPMUTE_SHIFT, 1, 0), 238 SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME, 239 WM8400_LOATTN_SHIFT, 1, 0), 240 SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, 241 WM8400_RONMUTE_SHIFT, 1, 0), 242 SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, 243 WM8400_ROPMUTE_SHIFT, 1, 0), 244 SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME, 245 WM8400_ROATTN_SHIFT, 1, 0), 246 247 SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME, 248 WM8400_OUT3MUTE_SHIFT, 1, 0), 249 SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME, 250 WM8400_OUT3ATTN_SHIFT, 1, 0), 251 252 SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME, 253 WM8400_OUT4MUTE_SHIFT, 1, 0), 254 SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME, 255 WM8400_OUT4ATTN_SHIFT, 1, 0), 256 257 SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1, 258 WM8400_CDMODE_SHIFT, 1, 0), 259 260 SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME, 261 WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0), 262 SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3, 263 WM8400_DCGAIN_SHIFT, 6, 0), 264 SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3, 265 WM8400_ACGAIN_SHIFT, 6, 0), 266 267 WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume", 268 WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT, 269 127, 0, out_dac_tlv), 270 271 WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume", 272 WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT, 273 127, 0, out_dac_tlv), 274 275 SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum), 276 SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum), 277 278 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE, 279 WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv), 280 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE, 281 WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv), 282 283 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL, 284 WM8400_ADC_HPF_ENA_SHIFT, 1, 0), 285 286 SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum), 287 288 WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume", 289 WM8400_LEFT_ADC_DIGITAL_VOLUME, 290 WM8400_ADCL_VOL_SHIFT, 291 WM8400_ADCL_VOL_MASK, 292 0, 293 in_adc_tlv), 294 295 WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume", 296 WM8400_RIGHT_ADC_DIGITAL_VOLUME, 297 WM8400_ADCR_VOL_SHIFT, 298 WM8400_ADCR_VOL_MASK, 299 0, 300 in_adc_tlv), 301 302 WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume", 303 WM8400_LEFT_LINE_INPUT_1_2_VOLUME, 304 WM8400_LIN12VOL_SHIFT, 305 WM8400_LIN12VOL_MASK, 306 0, 307 in_pga_tlv), 308 309 SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, 310 WM8400_LI12ZC_SHIFT, 1, 0), 311 312 SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, 313 WM8400_LI12MUTE_SHIFT, 1, 0), 314 315 WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume", 316 WM8400_LEFT_LINE_INPUT_3_4_VOLUME, 317 WM8400_LIN34VOL_SHIFT, 318 WM8400_LIN34VOL_MASK, 319 0, 320 in_pga_tlv), 321 322 SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, 323 WM8400_LI34ZC_SHIFT, 1, 0), 324 325 SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, 326 WM8400_LI34MUTE_SHIFT, 1, 0), 327 328 WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume", 329 WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, 330 WM8400_RIN12VOL_SHIFT, 331 WM8400_RIN12VOL_MASK, 332 0, 333 in_pga_tlv), 334 335 SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, 336 WM8400_RI12ZC_SHIFT, 1, 0), 337 338 SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, 339 WM8400_RI12MUTE_SHIFT, 1, 0), 340 341 WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume", 342 WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, 343 WM8400_RIN34VOL_SHIFT, 344 WM8400_RIN34VOL_MASK, 345 0, 346 in_pga_tlv), 347 348 SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, 349 WM8400_RI34ZC_SHIFT, 1, 0), 350 351 SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, 352 WM8400_RI34MUTE_SHIFT, 1, 0), 353 354 }; 355 356 /* 357 * _DAPM_ Controls 358 */ 359 360 static int inmixer_event (struct snd_soc_dapm_widget *w, 361 struct snd_kcontrol *kcontrol, int event) 362 { 363 u16 reg, fakepower; 364 365 reg = snd_soc_read(w->codec, WM8400_POWER_MANAGEMENT_2); 366 fakepower = snd_soc_read(w->codec, WM8400_INTDRIVBITS); 367 368 if (fakepower & ((1 << WM8400_INMIXL_PWR) | 369 (1 << WM8400_AINLMUX_PWR))) { 370 reg |= WM8400_AINL_ENA; 371 } else { 372 reg &= ~WM8400_AINL_ENA; 373 } 374 375 if (fakepower & ((1 << WM8400_INMIXR_PWR) | 376 (1 << WM8400_AINRMUX_PWR))) { 377 reg |= WM8400_AINR_ENA; 378 } else { 379 reg &= ~WM8400_AINR_ENA; 380 } 381 snd_soc_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg); 382 383 return 0; 384 } 385 386 static int outmixer_event (struct snd_soc_dapm_widget *w, 387 struct snd_kcontrol * kcontrol, int event) 388 { 389 struct soc_mixer_control *mc = 390 (struct soc_mixer_control *)kcontrol->private_value; 391 u32 reg_shift = mc->shift; 392 int ret = 0; 393 u16 reg; 394 395 switch (reg_shift) { 396 case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) : 397 reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER1); 398 if (reg & WM8400_LDLO) { 399 printk(KERN_WARNING 400 "Cannot set as Output Mixer 1 LDLO Set\n"); 401 ret = -1; 402 } 403 break; 404 case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8): 405 reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER2); 406 if (reg & WM8400_RDRO) { 407 printk(KERN_WARNING 408 "Cannot set as Output Mixer 2 RDRO Set\n"); 409 ret = -1; 410 } 411 break; 412 case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8): 413 reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER); 414 if (reg & WM8400_LDSPK) { 415 printk(KERN_WARNING 416 "Cannot set as Speaker Mixer LDSPK Set\n"); 417 ret = -1; 418 } 419 break; 420 case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8): 421 reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER); 422 if (reg & WM8400_RDSPK) { 423 printk(KERN_WARNING 424 "Cannot set as Speaker Mixer RDSPK Set\n"); 425 ret = -1; 426 } 427 break; 428 } 429 430 return ret; 431 } 432 433 /* INMIX dB values */ 434 static const unsigned int in_mix_tlv[] = { 435 TLV_DB_RANGE_HEAD(1), 436 0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0), 437 }; 438 439 /* Left In PGA Connections */ 440 static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = { 441 SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0), 442 SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0), 443 }; 444 445 static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = { 446 SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0), 447 SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0), 448 }; 449 450 /* Right In PGA Connections */ 451 static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = { 452 SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0), 453 SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0), 454 }; 455 456 static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = { 457 SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0), 458 SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0), 459 }; 460 461 /* INMIXL */ 462 static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = { 463 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3, 464 WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv), 465 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT, 466 7, 0, in_mix_tlv), 467 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT, 468 1, 0), 469 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, 470 1, 0), 471 }; 472 473 /* INMIXR */ 474 static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = { 475 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4, 476 WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv), 477 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT, 478 7, 0, in_mix_tlv), 479 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT, 480 1, 0), 481 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, 482 1, 0), 483 }; 484 485 /* AINLMUX */ 486 static const char *wm8400_ainlmux[] = 487 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; 488 489 static const struct soc_enum wm8400_ainlmux_enum = 490 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT, 491 ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux); 492 493 static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls = 494 SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum); 495 496 /* DIFFINL */ 497 498 /* AINRMUX */ 499 static const char *wm8400_ainrmux[] = 500 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; 501 502 static const struct soc_enum wm8400_ainrmux_enum = 503 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT, 504 ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux); 505 506 static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls = 507 SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum); 508 509 /* RXVOICE */ 510 static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = { 511 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT, 512 WM8400_LR4BVOL_MASK, 0, in_mix_tlv), 513 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT, 514 WM8400_RL4BVOL_MASK, 0, in_mix_tlv), 515 }; 516 517 /* LOMIX */ 518 static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = { 519 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1, 520 WM8400_LRBLO_SHIFT, 1, 0), 521 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1, 522 WM8400_LLBLO_SHIFT, 1, 0), 523 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1, 524 WM8400_LRI3LO_SHIFT, 1, 0), 525 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1, 526 WM8400_LLI3LO_SHIFT, 1, 0), 527 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1, 528 WM8400_LR12LO_SHIFT, 1, 0), 529 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1, 530 WM8400_LL12LO_SHIFT, 1, 0), 531 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1, 532 WM8400_LDLO_SHIFT, 1, 0), 533 }; 534 535 /* ROMIX */ 536 static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = { 537 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2, 538 WM8400_RLBRO_SHIFT, 1, 0), 539 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2, 540 WM8400_RRBRO_SHIFT, 1, 0), 541 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2, 542 WM8400_RLI3RO_SHIFT, 1, 0), 543 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2, 544 WM8400_RRI3RO_SHIFT, 1, 0), 545 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2, 546 WM8400_RL12RO_SHIFT, 1, 0), 547 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2, 548 WM8400_RR12RO_SHIFT, 1, 0), 549 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2, 550 WM8400_RDRO_SHIFT, 1, 0), 551 }; 552 553 /* LONMIX */ 554 static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = { 555 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1, 556 WM8400_LLOPGALON_SHIFT, 1, 0), 557 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1, 558 WM8400_LROPGALON_SHIFT, 1, 0), 559 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1, 560 WM8400_LOPLON_SHIFT, 1, 0), 561 }; 562 563 /* LOPMIX */ 564 static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = { 565 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1, 566 WM8400_LR12LOP_SHIFT, 1, 0), 567 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1, 568 WM8400_LL12LOP_SHIFT, 1, 0), 569 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1, 570 WM8400_LLOPGALOP_SHIFT, 1, 0), 571 }; 572 573 /* RONMIX */ 574 static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = { 575 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2, 576 WM8400_RROPGARON_SHIFT, 1, 0), 577 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2, 578 WM8400_RLOPGARON_SHIFT, 1, 0), 579 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2, 580 WM8400_ROPRON_SHIFT, 1, 0), 581 }; 582 583 /* ROPMIX */ 584 static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = { 585 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2, 586 WM8400_RL12ROP_SHIFT, 1, 0), 587 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2, 588 WM8400_RR12ROP_SHIFT, 1, 0), 589 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2, 590 WM8400_RROPGAROP_SHIFT, 1, 0), 591 }; 592 593 /* OUT3MIX */ 594 static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = { 595 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER, 596 WM8400_LI4O3_SHIFT, 1, 0), 597 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER, 598 WM8400_LPGAO3_SHIFT, 1, 0), 599 }; 600 601 /* OUT4MIX */ 602 static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = { 603 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER, 604 WM8400_RPGAO4_SHIFT, 1, 0), 605 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER, 606 WM8400_RI4O4_SHIFT, 1, 0), 607 }; 608 609 /* SPKMIX */ 610 static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = { 611 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER, 612 WM8400_LI2SPK_SHIFT, 1, 0), 613 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER, 614 WM8400_LB2SPK_SHIFT, 1, 0), 615 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER, 616 WM8400_LOPGASPK_SHIFT, 1, 0), 617 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER, 618 WM8400_LDSPK_SHIFT, 1, 0), 619 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER, 620 WM8400_RDSPK_SHIFT, 1, 0), 621 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER, 622 WM8400_ROPGASPK_SHIFT, 1, 0), 623 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER, 624 WM8400_RL12ROP_SHIFT, 1, 0), 625 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER, 626 WM8400_RI2SPK_SHIFT, 1, 0), 627 }; 628 629 static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = { 630 /* Input Side */ 631 /* Input Lines */ 632 SND_SOC_DAPM_INPUT("LIN1"), 633 SND_SOC_DAPM_INPUT("LIN2"), 634 SND_SOC_DAPM_INPUT("LIN3"), 635 SND_SOC_DAPM_INPUT("LIN4/RXN"), 636 SND_SOC_DAPM_INPUT("RIN3"), 637 SND_SOC_DAPM_INPUT("RIN4/RXP"), 638 SND_SOC_DAPM_INPUT("RIN1"), 639 SND_SOC_DAPM_INPUT("RIN2"), 640 SND_SOC_DAPM_INPUT("Internal ADC Source"), 641 642 /* DACs */ 643 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2, 644 WM8400_ADCL_ENA_SHIFT, 0), 645 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2, 646 WM8400_ADCR_ENA_SHIFT, 0), 647 648 /* Input PGAs */ 649 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2, 650 WM8400_LIN12_ENA_SHIFT, 651 0, &wm8400_dapm_lin12_pga_controls[0], 652 ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)), 653 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2, 654 WM8400_LIN34_ENA_SHIFT, 655 0, &wm8400_dapm_lin34_pga_controls[0], 656 ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)), 657 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2, 658 WM8400_RIN12_ENA_SHIFT, 659 0, &wm8400_dapm_rin12_pga_controls[0], 660 ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)), 661 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2, 662 WM8400_RIN34_ENA_SHIFT, 663 0, &wm8400_dapm_rin34_pga_controls[0], 664 ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)), 665 666 /* INMIXL */ 667 SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0, 668 &wm8400_dapm_inmixl_controls[0], 669 ARRAY_SIZE(wm8400_dapm_inmixl_controls), 670 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 671 672 /* AINLMUX */ 673 SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0, 674 &wm8400_dapm_ainlmux_controls, inmixer_event, 675 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 676 677 /* INMIXR */ 678 SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0, 679 &wm8400_dapm_inmixr_controls[0], 680 ARRAY_SIZE(wm8400_dapm_inmixr_controls), 681 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 682 683 /* AINRMUX */ 684 SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0, 685 &wm8400_dapm_ainrmux_controls, inmixer_event, 686 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 687 688 /* Output Side */ 689 /* DACs */ 690 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3, 691 WM8400_DACL_ENA_SHIFT, 0), 692 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3, 693 WM8400_DACR_ENA_SHIFT, 0), 694 695 /* LOMIX */ 696 SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3, 697 WM8400_LOMIX_ENA_SHIFT, 698 0, &wm8400_dapm_lomix_controls[0], 699 ARRAY_SIZE(wm8400_dapm_lomix_controls), 700 outmixer_event, SND_SOC_DAPM_PRE_REG), 701 702 /* LONMIX */ 703 SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT, 704 0, &wm8400_dapm_lonmix_controls[0], 705 ARRAY_SIZE(wm8400_dapm_lonmix_controls)), 706 707 /* LOPMIX */ 708 SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT, 709 0, &wm8400_dapm_lopmix_controls[0], 710 ARRAY_SIZE(wm8400_dapm_lopmix_controls)), 711 712 /* OUT3MIX */ 713 SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT, 714 0, &wm8400_dapm_out3mix_controls[0], 715 ARRAY_SIZE(wm8400_dapm_out3mix_controls)), 716 717 /* SPKMIX */ 718 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT, 719 0, &wm8400_dapm_spkmix_controls[0], 720 ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event, 721 SND_SOC_DAPM_PRE_REG), 722 723 /* OUT4MIX */ 724 SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT, 725 0, &wm8400_dapm_out4mix_controls[0], 726 ARRAY_SIZE(wm8400_dapm_out4mix_controls)), 727 728 /* ROPMIX */ 729 SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT, 730 0, &wm8400_dapm_ropmix_controls[0], 731 ARRAY_SIZE(wm8400_dapm_ropmix_controls)), 732 733 /* RONMIX */ 734 SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT, 735 0, &wm8400_dapm_ronmix_controls[0], 736 ARRAY_SIZE(wm8400_dapm_ronmix_controls)), 737 738 /* ROMIX */ 739 SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3, 740 WM8400_ROMIX_ENA_SHIFT, 741 0, &wm8400_dapm_romix_controls[0], 742 ARRAY_SIZE(wm8400_dapm_romix_controls), 743 outmixer_event, SND_SOC_DAPM_PRE_REG), 744 745 /* LOUT PGA */ 746 SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT, 747 0, NULL, 0), 748 749 /* ROUT PGA */ 750 SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT, 751 0, NULL, 0), 752 753 /* LOPGA */ 754 SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0, 755 NULL, 0), 756 757 /* ROPGA */ 758 SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0, 759 NULL, 0), 760 761 /* MICBIAS */ 762 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1, 763 WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0), 764 765 SND_SOC_DAPM_OUTPUT("LON"), 766 SND_SOC_DAPM_OUTPUT("LOP"), 767 SND_SOC_DAPM_OUTPUT("OUT3"), 768 SND_SOC_DAPM_OUTPUT("LOUT"), 769 SND_SOC_DAPM_OUTPUT("SPKN"), 770 SND_SOC_DAPM_OUTPUT("SPKP"), 771 SND_SOC_DAPM_OUTPUT("ROUT"), 772 SND_SOC_DAPM_OUTPUT("OUT4"), 773 SND_SOC_DAPM_OUTPUT("ROP"), 774 SND_SOC_DAPM_OUTPUT("RON"), 775 776 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"), 777 }; 778 779 static const struct snd_soc_dapm_route wm8400_dapm_routes[] = { 780 /* Make DACs turn on when playing even if not mixed into any outputs */ 781 {"Internal DAC Sink", NULL, "Left DAC"}, 782 {"Internal DAC Sink", NULL, "Right DAC"}, 783 784 /* Make ADCs turn on when recording 785 * even if not mixed from any inputs */ 786 {"Left ADC", NULL, "Internal ADC Source"}, 787 {"Right ADC", NULL, "Internal ADC Source"}, 788 789 /* Input Side */ 790 /* LIN12 PGA */ 791 {"LIN12 PGA", "LIN1 Switch", "LIN1"}, 792 {"LIN12 PGA", "LIN2 Switch", "LIN2"}, 793 /* LIN34 PGA */ 794 {"LIN34 PGA", "LIN3 Switch", "LIN3"}, 795 {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"}, 796 /* INMIXL */ 797 {"INMIXL", "Record Left Volume", "LOMIX"}, 798 {"INMIXL", "LIN2 Volume", "LIN2"}, 799 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"}, 800 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"}, 801 /* AILNMUX */ 802 {"AILNMUX", "INMIXL Mix", "INMIXL"}, 803 {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"}, 804 {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"}, 805 {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"}, 806 {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"}, 807 /* ADC */ 808 {"Left ADC", NULL, "AILNMUX"}, 809 810 /* RIN12 PGA */ 811 {"RIN12 PGA", "RIN1 Switch", "RIN1"}, 812 {"RIN12 PGA", "RIN2 Switch", "RIN2"}, 813 /* RIN34 PGA */ 814 {"RIN34 PGA", "RIN3 Switch", "RIN3"}, 815 {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"}, 816 /* INMIXL */ 817 {"INMIXR", "Record Right Volume", "ROMIX"}, 818 {"INMIXR", "RIN2 Volume", "RIN2"}, 819 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"}, 820 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"}, 821 /* AIRNMUX */ 822 {"AIRNMUX", "INMIXR Mix", "INMIXR"}, 823 {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"}, 824 {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"}, 825 {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"}, 826 {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"}, 827 /* ADC */ 828 {"Right ADC", NULL, "AIRNMUX"}, 829 830 /* LOMIX */ 831 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"}, 832 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"}, 833 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, 834 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, 835 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"}, 836 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"}, 837 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"}, 838 839 /* ROMIX */ 840 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"}, 841 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"}, 842 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, 843 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, 844 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"}, 845 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"}, 846 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"}, 847 848 /* SPKMIX */ 849 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"}, 850 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"}, 851 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"}, 852 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"}, 853 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"}, 854 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"}, 855 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"}, 856 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"}, 857 858 /* LONMIX */ 859 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"}, 860 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"}, 861 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"}, 862 863 /* LOPMIX */ 864 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"}, 865 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"}, 866 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"}, 867 868 /* OUT3MIX */ 869 {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"}, 870 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"}, 871 872 /* OUT4MIX */ 873 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"}, 874 {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"}, 875 876 /* RONMIX */ 877 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"}, 878 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"}, 879 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"}, 880 881 /* ROPMIX */ 882 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"}, 883 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"}, 884 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"}, 885 886 /* Out Mixer PGAs */ 887 {"LOPGA", NULL, "LOMIX"}, 888 {"ROPGA", NULL, "ROMIX"}, 889 890 {"LOUT PGA", NULL, "LOMIX"}, 891 {"ROUT PGA", NULL, "ROMIX"}, 892 893 /* Output Pins */ 894 {"LON", NULL, "LONMIX"}, 895 {"LOP", NULL, "LOPMIX"}, 896 {"OUT3", NULL, "OUT3MIX"}, 897 {"LOUT", NULL, "LOUT PGA"}, 898 {"SPKN", NULL, "SPKMIX"}, 899 {"ROUT", NULL, "ROUT PGA"}, 900 {"OUT4", NULL, "OUT4MIX"}, 901 {"ROP", NULL, "ROPMIX"}, 902 {"RON", NULL, "RONMIX"}, 903 }; 904 905 /* 906 * Clock after FLL and dividers 907 */ 908 static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai, 909 int clk_id, unsigned int freq, int dir) 910 { 911 struct snd_soc_codec *codec = codec_dai->codec; 912 struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); 913 914 wm8400->sysclk = freq; 915 return 0; 916 } 917 918 struct fll_factors { 919 u16 n; 920 u16 k; 921 u16 outdiv; 922 u16 fratio; 923 u16 freq_ref; 924 }; 925 926 #define FIXED_FLL_SIZE ((1 << 16) * 10) 927 928 static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors, 929 unsigned int Fref, unsigned int Fout) 930 { 931 u64 Kpart; 932 unsigned int K, Nmod, target; 933 934 factors->outdiv = 2; 935 while (Fout * factors->outdiv < 90000000 || 936 Fout * factors->outdiv > 100000000) { 937 factors->outdiv *= 2; 938 if (factors->outdiv > 32) { 939 dev_err(wm8400->wm8400->dev, 940 "Unsupported FLL output frequency %uHz\n", 941 Fout); 942 return -EINVAL; 943 } 944 } 945 target = Fout * factors->outdiv; 946 factors->outdiv = factors->outdiv >> 2; 947 948 if (Fref < 48000) 949 factors->freq_ref = 1; 950 else 951 factors->freq_ref = 0; 952 953 if (Fref < 1000000) 954 factors->fratio = 9; 955 else 956 factors->fratio = 0; 957 958 /* Ensure we have a fractional part */ 959 do { 960 if (Fref < 1000000) 961 factors->fratio--; 962 else 963 factors->fratio++; 964 965 if (factors->fratio < 1 || factors->fratio > 8) { 966 dev_err(wm8400->wm8400->dev, 967 "Unable to calculate FRATIO\n"); 968 return -EINVAL; 969 } 970 971 factors->n = target / (Fref * factors->fratio); 972 Nmod = target % (Fref * factors->fratio); 973 } while (Nmod == 0); 974 975 /* Calculate fractional part - scale up so we can round. */ 976 Kpart = FIXED_FLL_SIZE * (long long)Nmod; 977 978 do_div(Kpart, (Fref * factors->fratio)); 979 980 K = Kpart & 0xFFFFFFFF; 981 982 if ((K % 10) >= 5) 983 K += 5; 984 985 /* Move down to proper range now rounding is done */ 986 factors->k = K / 10; 987 988 dev_dbg(wm8400->wm8400->dev, 989 "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n", 990 Fref, Fout, 991 factors->n, factors->k, factors->fratio, factors->outdiv); 992 993 return 0; 994 } 995 996 static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 997 int source, unsigned int freq_in, 998 unsigned int freq_out) 999 { 1000 struct snd_soc_codec *codec = codec_dai->codec; 1001 struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); 1002 struct fll_factors factors; 1003 int ret; 1004 u16 reg; 1005 1006 if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out) 1007 return 0; 1008 1009 if (freq_out) { 1010 ret = fll_factors(wm8400, &factors, freq_in, freq_out); 1011 if (ret != 0) 1012 return ret; 1013 } else { 1014 /* Bodge GCC 4.4.0 uninitialised variable warning - it 1015 * doesn't seem capable of working out that we exit if 1016 * freq_out is 0 before any of the uses. */ 1017 memset(&factors, 0, sizeof(factors)); 1018 } 1019 1020 wm8400->fll_out = freq_out; 1021 wm8400->fll_in = freq_in; 1022 1023 /* We *must* disable the FLL before any changes */ 1024 reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_2); 1025 reg &= ~WM8400_FLL_ENA; 1026 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_2, reg); 1027 1028 reg = snd_soc_read(codec, WM8400_FLL_CONTROL_1); 1029 reg &= ~WM8400_FLL_OSC_ENA; 1030 snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg); 1031 1032 if (!freq_out) 1033 return 0; 1034 1035 reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK); 1036 reg |= WM8400_FLL_FRAC | factors.fratio; 1037 reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT; 1038 snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg); 1039 1040 snd_soc_write(codec, WM8400_FLL_CONTROL_2, factors.k); 1041 snd_soc_write(codec, WM8400_FLL_CONTROL_3, factors.n); 1042 1043 reg = snd_soc_read(codec, WM8400_FLL_CONTROL_4); 1044 reg &= ~WM8400_FLL_OUTDIV_MASK; 1045 reg |= factors.outdiv; 1046 snd_soc_write(codec, WM8400_FLL_CONTROL_4, reg); 1047 1048 return 0; 1049 } 1050 1051 /* 1052 * Sets ADC and Voice DAC format. 1053 */ 1054 static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai, 1055 unsigned int fmt) 1056 { 1057 struct snd_soc_codec *codec = codec_dai->codec; 1058 u16 audio1, audio3; 1059 1060 audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1); 1061 audio3 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_3); 1062 1063 /* set master/slave audio interface */ 1064 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1065 case SND_SOC_DAIFMT_CBS_CFS: 1066 audio3 &= ~WM8400_AIF_MSTR1; 1067 break; 1068 case SND_SOC_DAIFMT_CBM_CFM: 1069 audio3 |= WM8400_AIF_MSTR1; 1070 break; 1071 default: 1072 return -EINVAL; 1073 } 1074 1075 audio1 &= ~WM8400_AIF_FMT_MASK; 1076 1077 /* interface format */ 1078 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1079 case SND_SOC_DAIFMT_I2S: 1080 audio1 |= WM8400_AIF_FMT_I2S; 1081 audio1 &= ~WM8400_AIF_LRCLK_INV; 1082 break; 1083 case SND_SOC_DAIFMT_RIGHT_J: 1084 audio1 |= WM8400_AIF_FMT_RIGHTJ; 1085 audio1 &= ~WM8400_AIF_LRCLK_INV; 1086 break; 1087 case SND_SOC_DAIFMT_LEFT_J: 1088 audio1 |= WM8400_AIF_FMT_LEFTJ; 1089 audio1 &= ~WM8400_AIF_LRCLK_INV; 1090 break; 1091 case SND_SOC_DAIFMT_DSP_A: 1092 audio1 |= WM8400_AIF_FMT_DSP; 1093 audio1 &= ~WM8400_AIF_LRCLK_INV; 1094 break; 1095 case SND_SOC_DAIFMT_DSP_B: 1096 audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV; 1097 break; 1098 default: 1099 return -EINVAL; 1100 } 1101 1102 snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1); 1103 snd_soc_write(codec, WM8400_AUDIO_INTERFACE_3, audio3); 1104 return 0; 1105 } 1106 1107 static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai, 1108 int div_id, int div) 1109 { 1110 struct snd_soc_codec *codec = codec_dai->codec; 1111 u16 reg; 1112 1113 switch (div_id) { 1114 case WM8400_MCLK_DIV: 1115 reg = snd_soc_read(codec, WM8400_CLOCKING_2) & 1116 ~WM8400_MCLK_DIV_MASK; 1117 snd_soc_write(codec, WM8400_CLOCKING_2, reg | div); 1118 break; 1119 case WM8400_DACCLK_DIV: 1120 reg = snd_soc_read(codec, WM8400_CLOCKING_2) & 1121 ~WM8400_DAC_CLKDIV_MASK; 1122 snd_soc_write(codec, WM8400_CLOCKING_2, reg | div); 1123 break; 1124 case WM8400_ADCCLK_DIV: 1125 reg = snd_soc_read(codec, WM8400_CLOCKING_2) & 1126 ~WM8400_ADC_CLKDIV_MASK; 1127 snd_soc_write(codec, WM8400_CLOCKING_2, reg | div); 1128 break; 1129 case WM8400_BCLK_DIV: 1130 reg = snd_soc_read(codec, WM8400_CLOCKING_1) & 1131 ~WM8400_BCLK_DIV_MASK; 1132 snd_soc_write(codec, WM8400_CLOCKING_1, reg | div); 1133 break; 1134 default: 1135 return -EINVAL; 1136 } 1137 1138 return 0; 1139 } 1140 1141 /* 1142 * Set PCM DAI bit size and sample rate. 1143 */ 1144 static int wm8400_hw_params(struct snd_pcm_substream *substream, 1145 struct snd_pcm_hw_params *params, 1146 struct snd_soc_dai *dai) 1147 { 1148 struct snd_soc_codec *codec = dai->codec; 1149 u16 audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1); 1150 1151 audio1 &= ~WM8400_AIF_WL_MASK; 1152 /* bit size */ 1153 switch (params_format(params)) { 1154 case SNDRV_PCM_FORMAT_S16_LE: 1155 break; 1156 case SNDRV_PCM_FORMAT_S20_3LE: 1157 audio1 |= WM8400_AIF_WL_20BITS; 1158 break; 1159 case SNDRV_PCM_FORMAT_S24_LE: 1160 audio1 |= WM8400_AIF_WL_24BITS; 1161 break; 1162 case SNDRV_PCM_FORMAT_S32_LE: 1163 audio1 |= WM8400_AIF_WL_32BITS; 1164 break; 1165 } 1166 1167 snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1); 1168 return 0; 1169 } 1170 1171 static int wm8400_mute(struct snd_soc_dai *dai, int mute) 1172 { 1173 struct snd_soc_codec *codec = dai->codec; 1174 u16 val = snd_soc_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE; 1175 1176 if (mute) 1177 snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE); 1178 else 1179 snd_soc_write(codec, WM8400_DAC_CTRL, val); 1180 1181 return 0; 1182 } 1183 1184 /* TODO: set bias for best performance at standby */ 1185 static int wm8400_set_bias_level(struct snd_soc_codec *codec, 1186 enum snd_soc_bias_level level) 1187 { 1188 struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); 1189 u16 val; 1190 int ret; 1191 1192 switch (level) { 1193 case SND_SOC_BIAS_ON: 1194 break; 1195 1196 case SND_SOC_BIAS_PREPARE: 1197 /* VMID=2*50k */ 1198 val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) & 1199 ~WM8400_VMID_MODE_MASK; 1200 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2); 1201 break; 1202 1203 case SND_SOC_BIAS_STANDBY: 1204 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { 1205 ret = regulator_bulk_enable(ARRAY_SIZE(power), 1206 &power[0]); 1207 if (ret != 0) { 1208 dev_err(wm8400->wm8400->dev, 1209 "Failed to enable regulators: %d\n", 1210 ret); 1211 return ret; 1212 } 1213 1214 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, 1215 WM8400_CODEC_ENA | WM8400_SYSCLK_ENA); 1216 1217 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ 1218 snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | 1219 WM8400_BUFDCOPEN | WM8400_POBCTRL); 1220 1221 msleep(50); 1222 1223 /* Enable VREF & VMID at 2x50k */ 1224 val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); 1225 val |= 0x2 | WM8400_VREF_ENA; 1226 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); 1227 1228 /* Enable BUFIOEN */ 1229 snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | 1230 WM8400_BUFDCOPEN | WM8400_POBCTRL | 1231 WM8400_BUFIOEN); 1232 1233 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1234 snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN); 1235 } 1236 1237 /* VMID=2*300k */ 1238 val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) & 1239 ~WM8400_VMID_MODE_MASK; 1240 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4); 1241 break; 1242 1243 case SND_SOC_BIAS_OFF: 1244 /* Enable POBCTRL and SOFT_ST */ 1245 snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | 1246 WM8400_POBCTRL | WM8400_BUFIOEN); 1247 1248 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */ 1249 snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | 1250 WM8400_BUFDCOPEN | WM8400_POBCTRL | 1251 WM8400_BUFIOEN); 1252 1253 /* mute DAC */ 1254 val = snd_soc_read(codec, WM8400_DAC_CTRL); 1255 snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE); 1256 1257 /* Enable any disabled outputs */ 1258 val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); 1259 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA | 1260 WM8400_OUT4_ENA | WM8400_LOUT_ENA | 1261 WM8400_ROUT_ENA; 1262 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); 1263 1264 /* Disable VMID */ 1265 val &= ~WM8400_VMID_MODE_MASK; 1266 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); 1267 1268 msleep(300); 1269 1270 /* Enable all output discharge bits */ 1271 snd_soc_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE | 1272 WM8400_DIS_RLINE | WM8400_DIS_OUT3 | 1273 WM8400_DIS_OUT4 | WM8400_DIS_LOUT | 1274 WM8400_DIS_ROUT); 1275 1276 /* Disable VREF */ 1277 val &= ~WM8400_VREF_ENA; 1278 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); 1279 1280 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1281 snd_soc_write(codec, WM8400_ANTIPOP2, 0x0); 1282 1283 ret = regulator_bulk_disable(ARRAY_SIZE(power), 1284 &power[0]); 1285 if (ret != 0) 1286 return ret; 1287 1288 break; 1289 } 1290 1291 codec->dapm.bias_level = level; 1292 return 0; 1293 } 1294 1295 #define WM8400_RATES SNDRV_PCM_RATE_8000_96000 1296 1297 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1298 SNDRV_PCM_FMTBIT_S24_LE) 1299 1300 static const struct snd_soc_dai_ops wm8400_dai_ops = { 1301 .hw_params = wm8400_hw_params, 1302 .digital_mute = wm8400_mute, 1303 .set_fmt = wm8400_set_dai_fmt, 1304 .set_clkdiv = wm8400_set_dai_clkdiv, 1305 .set_sysclk = wm8400_set_dai_sysclk, 1306 .set_pll = wm8400_set_dai_pll, 1307 }; 1308 1309 /* 1310 * The WM8400 supports 2 different and mutually exclusive DAI 1311 * configurations. 1312 * 1313 * 1. ADC/DAC on Primary Interface 1314 * 2. ADC on Primary Interface/DAC on secondary 1315 */ 1316 static struct snd_soc_dai_driver wm8400_dai = { 1317 /* ADC/DAC on primary */ 1318 .name = "wm8400-hifi", 1319 .playback = { 1320 .stream_name = "Playback", 1321 .channels_min = 1, 1322 .channels_max = 2, 1323 .rates = WM8400_RATES, 1324 .formats = WM8400_FORMATS, 1325 }, 1326 .capture = { 1327 .stream_name = "Capture", 1328 .channels_min = 1, 1329 .channels_max = 2, 1330 .rates = WM8400_RATES, 1331 .formats = WM8400_FORMATS, 1332 }, 1333 .ops = &wm8400_dai_ops, 1334 }; 1335 1336 static int wm8400_suspend(struct snd_soc_codec *codec) 1337 { 1338 wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF); 1339 1340 return 0; 1341 } 1342 1343 static int wm8400_resume(struct snd_soc_codec *codec) 1344 { 1345 wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1346 1347 return 0; 1348 } 1349 1350 static void wm8400_probe_deferred(struct work_struct *work) 1351 { 1352 struct wm8400_priv *priv = container_of(work, struct wm8400_priv, 1353 work); 1354 struct snd_soc_codec *codec = priv->codec; 1355 1356 /* charge output caps */ 1357 wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1358 } 1359 1360 static int wm8400_codec_probe(struct snd_soc_codec *codec) 1361 { 1362 struct wm8400 *wm8400 = dev_get_platdata(codec->dev); 1363 struct wm8400_priv *priv; 1364 int ret; 1365 u16 reg; 1366 1367 priv = devm_kzalloc(codec->dev, sizeof(struct wm8400_priv), 1368 GFP_KERNEL); 1369 if (priv == NULL) 1370 return -ENOMEM; 1371 1372 snd_soc_codec_set_drvdata(codec, priv); 1373 codec->control_data = priv->wm8400 = wm8400; 1374 priv->codec = codec; 1375 1376 ret = devm_regulator_bulk_get(wm8400->dev, 1377 ARRAY_SIZE(power), &power[0]); 1378 if (ret != 0) { 1379 dev_err(codec->dev, "Failed to get regulators: %d\n", ret); 1380 return ret; 1381 } 1382 1383 INIT_WORK(&priv->work, wm8400_probe_deferred); 1384 1385 wm8400_codec_reset(codec); 1386 1387 reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); 1388 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA); 1389 1390 /* Latch volume update bits */ 1391 reg = snd_soc_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME); 1392 snd_soc_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME, 1393 reg & WM8400_IPVU); 1394 reg = snd_soc_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME); 1395 snd_soc_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, 1396 reg & WM8400_IPVU); 1397 1398 snd_soc_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8)); 1399 snd_soc_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8)); 1400 1401 if (!schedule_work(&priv->work)) 1402 return -EINVAL; 1403 return 0; 1404 } 1405 1406 static int wm8400_codec_remove(struct snd_soc_codec *codec) 1407 { 1408 u16 reg; 1409 1410 reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); 1411 snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, 1412 reg & (~WM8400_CODEC_ENA)); 1413 1414 return 0; 1415 } 1416 1417 static struct snd_soc_codec_driver soc_codec_dev_wm8400 = { 1418 .probe = wm8400_codec_probe, 1419 .remove = wm8400_codec_remove, 1420 .suspend = wm8400_suspend, 1421 .resume = wm8400_resume, 1422 .read = snd_soc_read, 1423 .write = wm8400_write, 1424 .set_bias_level = wm8400_set_bias_level, 1425 1426 .controls = wm8400_snd_controls, 1427 .num_controls = ARRAY_SIZE(wm8400_snd_controls), 1428 .dapm_widgets = wm8400_dapm_widgets, 1429 .num_dapm_widgets = ARRAY_SIZE(wm8400_dapm_widgets), 1430 .dapm_routes = wm8400_dapm_routes, 1431 .num_dapm_routes = ARRAY_SIZE(wm8400_dapm_routes), 1432 }; 1433 1434 static int wm8400_probe(struct platform_device *pdev) 1435 { 1436 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400, 1437 &wm8400_dai, 1); 1438 } 1439 1440 static int wm8400_remove(struct platform_device *pdev) 1441 { 1442 snd_soc_unregister_codec(&pdev->dev); 1443 return 0; 1444 } 1445 1446 static struct platform_driver wm8400_codec_driver = { 1447 .driver = { 1448 .name = "wm8400-codec", 1449 .owner = THIS_MODULE, 1450 }, 1451 .probe = wm8400_probe, 1452 .remove = wm8400_remove, 1453 }; 1454 1455 module_platform_driver(wm8400_codec_driver); 1456 1457 MODULE_DESCRIPTION("ASoC WM8400 driver"); 1458 MODULE_AUTHOR("Mark Brown"); 1459 MODULE_LICENSE("GPL"); 1460 MODULE_ALIAS("platform:wm8400-codec"); 1461