1 /* 2 * da7219.c - DA7219 ALSA SoC Codec Driver 3 * 4 * Copyright (c) 2015 Dialog Semiconductor 5 * 6 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 */ 13 14 #include <linux/acpi.h> 15 #include <linux/clk.h> 16 #include <linux/i2c.h> 17 #include <linux/of_device.h> 18 #include <linux/property.h> 19 #include <linux/regmap.h> 20 #include <linux/slab.h> 21 #include <linux/pm.h> 22 #include <linux/module.h> 23 #include <linux/delay.h> 24 #include <linux/regulator/consumer.h> 25 #include <sound/pcm.h> 26 #include <sound/pcm_params.h> 27 #include <sound/soc.h> 28 #include <sound/soc-dapm.h> 29 #include <sound/initval.h> 30 #include <sound/tlv.h> 31 #include <asm/div64.h> 32 33 #include <sound/da7219.h> 34 #include "da7219.h" 35 #include "da7219-aad.h" 36 37 38 /* 39 * TLVs and Enums 40 */ 41 42 /* Input TLVs */ 43 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0); 44 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0); 45 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0); 46 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0); 47 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0); 48 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0); 49 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0); 50 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0); 51 52 /* Output TLVs */ 53 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0); 54 55 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv, 56 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 57 /* -77.25dB to 12dB */ 58 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0) 59 ); 60 61 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0); 62 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0); 63 64 /* Input Enums */ 65 static const char * const da7219_alc_attack_rate_txt[] = { 66 "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs", 67 "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs", 68 "30024/fs" 69 }; 70 71 static const struct soc_enum da7219_alc_attack_rate = 72 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT, 73 DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt); 74 75 static const char * const da7219_alc_release_rate_txt[] = { 76 "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs", 77 "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs" 78 }; 79 80 static const struct soc_enum da7219_alc_release_rate = 81 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT, 82 DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt); 83 84 static const char * const da7219_alc_hold_time_txt[] = { 85 "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs", 86 "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs", 87 "253952/fs", "507904/fs", "1015808/fs", "2031616/fs" 88 }; 89 90 static const struct soc_enum da7219_alc_hold_time = 91 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT, 92 DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt); 93 94 static const char * const da7219_alc_env_rate_txt[] = { 95 "1/4", "1/16", "1/256", "1/65536" 96 }; 97 98 static const struct soc_enum da7219_alc_env_attack_rate = 99 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT, 100 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt); 101 102 static const struct soc_enum da7219_alc_env_release_rate = 103 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT, 104 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt); 105 106 static const char * const da7219_alc_anticlip_step_txt[] = { 107 "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs" 108 }; 109 110 static const struct soc_enum da7219_alc_anticlip_step = 111 SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL, 112 DA7219_ALC_ANTICLIP_STEP_SHIFT, 113 DA7219_ALC_ANTICLIP_STEP_MAX, 114 da7219_alc_anticlip_step_txt); 115 116 /* Input/Output Enums */ 117 static const char * const da7219_gain_ramp_rate_txt[] = { 118 "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8", 119 "Nominal Rate / 16" 120 }; 121 122 static const struct soc_enum da7219_gain_ramp_rate = 123 SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT, 124 DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt); 125 126 static const char * const da7219_hpf_mode_txt[] = { 127 "Disabled", "Audio", "Voice" 128 }; 129 130 static const unsigned int da7219_hpf_mode_val[] = { 131 DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN, 132 }; 133 134 static const struct soc_enum da7219_adc_hpf_mode = 135 SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT, 136 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX, 137 da7219_hpf_mode_txt, da7219_hpf_mode_val); 138 139 static const struct soc_enum da7219_dac_hpf_mode = 140 SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT, 141 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX, 142 da7219_hpf_mode_txt, da7219_hpf_mode_val); 143 144 static const char * const da7219_audio_hpf_corner_txt[] = { 145 "2Hz", "4Hz", "8Hz", "16Hz" 146 }; 147 148 static const struct soc_enum da7219_adc_audio_hpf_corner = 149 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1, 150 DA7219_ADC_AUDIO_HPF_CORNER_SHIFT, 151 DA7219_AUDIO_HPF_CORNER_MAX, 152 da7219_audio_hpf_corner_txt); 153 154 static const struct soc_enum da7219_dac_audio_hpf_corner = 155 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1, 156 DA7219_DAC_AUDIO_HPF_CORNER_SHIFT, 157 DA7219_AUDIO_HPF_CORNER_MAX, 158 da7219_audio_hpf_corner_txt); 159 160 static const char * const da7219_voice_hpf_corner_txt[] = { 161 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" 162 }; 163 164 static const struct soc_enum da7219_adc_voice_hpf_corner = 165 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1, 166 DA7219_ADC_VOICE_HPF_CORNER_SHIFT, 167 DA7219_VOICE_HPF_CORNER_MAX, 168 da7219_voice_hpf_corner_txt); 169 170 static const struct soc_enum da7219_dac_voice_hpf_corner = 171 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1, 172 DA7219_DAC_VOICE_HPF_CORNER_SHIFT, 173 DA7219_VOICE_HPF_CORNER_MAX, 174 da7219_voice_hpf_corner_txt); 175 176 static const char * const da7219_tonegen_dtmf_key_txt[] = { 177 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", 178 "*", "#" 179 }; 180 181 static const struct soc_enum da7219_tonegen_dtmf_key = 182 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT, 183 DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt); 184 185 static const char * const da7219_tonegen_swg_sel_txt[] = { 186 "Sum", "SWG1", "SWG2", "SWG1_1-Cos" 187 }; 188 189 static const struct soc_enum da7219_tonegen_swg_sel = 190 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT, 191 DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt); 192 193 /* Output Enums */ 194 static const char * const da7219_dac_softmute_rate_txt[] = { 195 "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples", 196 "32 Samples", "64 Samples" 197 }; 198 199 static const struct soc_enum da7219_dac_softmute_rate = 200 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT, 201 DA7219_DAC_SOFTMUTE_RATE_MAX, 202 da7219_dac_softmute_rate_txt); 203 204 static const char * const da7219_dac_ng_setup_time_txt[] = { 205 "256 Samples", "512 Samples", "1024 Samples", "2048 Samples" 206 }; 207 208 static const struct soc_enum da7219_dac_ng_setup_time = 209 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME, 210 DA7219_DAC_NG_SETUP_TIME_SHIFT, 211 DA7219_DAC_NG_SETUP_TIME_MAX, 212 da7219_dac_ng_setup_time_txt); 213 214 static const char * const da7219_dac_ng_rampup_txt[] = { 215 "0.22ms/dB", "0.0138ms/dB" 216 }; 217 218 static const struct soc_enum da7219_dac_ng_rampup_rate = 219 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME, 220 DA7219_DAC_NG_RAMPUP_RATE_SHIFT, 221 DA7219_DAC_NG_RAMP_RATE_MAX, 222 da7219_dac_ng_rampup_txt); 223 224 static const char * const da7219_dac_ng_rampdown_txt[] = { 225 "0.88ms/dB", "14.08ms/dB" 226 }; 227 228 static const struct soc_enum da7219_dac_ng_rampdown_rate = 229 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME, 230 DA7219_DAC_NG_RAMPDN_RATE_SHIFT, 231 DA7219_DAC_NG_RAMP_RATE_MAX, 232 da7219_dac_ng_rampdown_txt); 233 234 235 static const char * const da7219_cp_track_mode_txt[] = { 236 "Largest Volume", "DAC Volume", "Signal Magnitude" 237 }; 238 239 static const unsigned int da7219_cp_track_mode_val[] = { 240 DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL, 241 DA7219_CP_MCHANGE_SIG_MAG 242 }; 243 244 static const struct soc_enum da7219_cp_track_mode = 245 SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT, 246 DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX, 247 da7219_cp_track_mode_txt, 248 da7219_cp_track_mode_val); 249 250 251 /* 252 * Control Functions 253 */ 254 255 /* Locked Kcontrol calls */ 256 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol, 257 struct snd_ctl_elem_value *ucontrol) 258 { 259 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 260 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 261 int ret; 262 263 mutex_lock(&da7219->lock); 264 ret = snd_soc_get_volsw(kcontrol, ucontrol); 265 mutex_unlock(&da7219->lock); 266 267 return ret; 268 } 269 270 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol, 271 struct snd_ctl_elem_value *ucontrol) 272 { 273 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 274 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 275 int ret; 276 277 mutex_lock(&da7219->lock); 278 ret = snd_soc_put_volsw(kcontrol, ucontrol); 279 mutex_unlock(&da7219->lock); 280 281 return ret; 282 } 283 284 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol, 285 struct snd_ctl_elem_value *ucontrol) 286 { 287 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 288 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 289 int ret; 290 291 mutex_lock(&da7219->lock); 292 ret = snd_soc_get_enum_double(kcontrol, ucontrol); 293 mutex_unlock(&da7219->lock); 294 295 return ret; 296 } 297 298 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol, 299 struct snd_ctl_elem_value *ucontrol) 300 { 301 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 302 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 303 int ret; 304 305 mutex_lock(&da7219->lock); 306 ret = snd_soc_put_enum_double(kcontrol, ucontrol); 307 mutex_unlock(&da7219->lock); 308 309 return ret; 310 } 311 312 /* ALC */ 313 static void da7219_alc_calib(struct snd_soc_codec *codec) 314 { 315 u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl; 316 317 /* Save current state of mic control register */ 318 mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL); 319 320 /* Save current state of input mixer control register */ 321 mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL); 322 323 /* Save current state of input ADC control register */ 324 adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL); 325 326 /* Enable then Mute MIC PGAs */ 327 snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK, 328 DA7219_MIC_1_AMP_EN_MASK); 329 snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, 330 DA7219_MIC_1_AMP_MUTE_EN_MASK, 331 DA7219_MIC_1_AMP_MUTE_EN_MASK); 332 333 /* Enable input mixers unmuted */ 334 snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL, 335 DA7219_MIXIN_L_AMP_EN_MASK | 336 DA7219_MIXIN_L_AMP_MUTE_EN_MASK, 337 DA7219_MIXIN_L_AMP_EN_MASK); 338 339 /* Enable input filters unmuted */ 340 snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, 341 DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK, 342 DA7219_ADC_L_EN_MASK); 343 344 /* Perform auto calibration */ 345 snd_soc_update_bits(codec, DA7219_ALC_CTRL1, 346 DA7219_ALC_AUTO_CALIB_EN_MASK, 347 DA7219_ALC_AUTO_CALIB_EN_MASK); 348 do { 349 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1); 350 } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK); 351 352 /* If auto calibration fails, disable DC offset, hybrid ALC */ 353 if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) { 354 dev_warn(codec->dev, 355 "ALC auto calibration failed with overflow\n"); 356 snd_soc_update_bits(codec, DA7219_ALC_CTRL1, 357 DA7219_ALC_OFFSET_EN_MASK | 358 DA7219_ALC_SYNC_MODE_MASK, 0); 359 } else { 360 /* Enable DC offset cancellation, hybrid mode */ 361 snd_soc_update_bits(codec, DA7219_ALC_CTRL1, 362 DA7219_ALC_OFFSET_EN_MASK | 363 DA7219_ALC_SYNC_MODE_MASK, 364 DA7219_ALC_OFFSET_EN_MASK | 365 DA7219_ALC_SYNC_MODE_MASK); 366 } 367 368 /* Restore input filter control register to original state */ 369 snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl); 370 371 /* Restore input mixer control registers to original state */ 372 snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl); 373 374 /* Restore MIC control registers to original states */ 375 snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl); 376 } 377 378 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol, 379 struct snd_ctl_elem_value *ucontrol) 380 { 381 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 382 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 383 int ret; 384 385 ret = snd_soc_put_volsw(kcontrol, ucontrol); 386 387 /* 388 * If ALC in operation and value of control has been updated, 389 * make sure calibrated offsets are updated. 390 */ 391 if ((ret == 1) && (da7219->alc_en)) 392 da7219_alc_calib(codec); 393 394 return ret; 395 } 396 397 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol, 398 struct snd_ctl_elem_value *ucontrol) 399 { 400 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 401 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 402 403 404 /* Force ALC offset calibration if enabling ALC */ 405 if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) { 406 da7219_alc_calib(codec); 407 da7219->alc_en = true; 408 } else { 409 da7219->alc_en = false; 410 } 411 412 return snd_soc_put_volsw(kcontrol, ucontrol); 413 } 414 415 /* ToneGen */ 416 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol, 417 struct snd_ctl_elem_value *ucontrol) 418 { 419 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 420 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 421 struct soc_mixer_control *mixer_ctrl = 422 (struct soc_mixer_control *) kcontrol->private_value; 423 unsigned int reg = mixer_ctrl->reg; 424 u16 val; 425 int ret; 426 427 mutex_lock(&da7219->lock); 428 ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val)); 429 mutex_unlock(&da7219->lock); 430 431 if (ret) 432 return ret; 433 434 /* 435 * Frequency value spans two 8-bit registers, lower then upper byte. 436 * Therefore we need to convert to host endianness here. 437 */ 438 ucontrol->value.integer.value[0] = le16_to_cpu(val); 439 440 return 0; 441 } 442 443 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol, 444 struct snd_ctl_elem_value *ucontrol) 445 { 446 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 447 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 448 struct soc_mixer_control *mixer_ctrl = 449 (struct soc_mixer_control *) kcontrol->private_value; 450 unsigned int reg = mixer_ctrl->reg; 451 u16 val; 452 int ret; 453 454 /* 455 * Frequency value spans two 8-bit registers, lower then upper byte. 456 * Therefore we need to convert to little endian here to align with 457 * HW registers. 458 */ 459 val = cpu_to_le16(ucontrol->value.integer.value[0]); 460 461 mutex_lock(&da7219->lock); 462 ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val)); 463 mutex_unlock(&da7219->lock); 464 465 return ret; 466 } 467 468 469 /* 470 * KControls 471 */ 472 473 static const struct snd_kcontrol_new da7219_snd_controls[] = { 474 /* Mics */ 475 SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN, 476 DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX, 477 DA7219_NO_INVERT, da7219_mic_gain_tlv), 478 SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL, 479 DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 480 DA7219_INVERT), 481 482 /* Mixer Input */ 483 SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN, 484 DA7219_MIXIN_L_AMP_GAIN_SHIFT, 485 DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT, 486 snd_soc_get_volsw, da7219_mixin_gain_put, 487 da7219_mixin_gain_tlv), 488 SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL, 489 DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 490 DA7219_INVERT), 491 SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL, 492 DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX, 493 DA7219_NO_INVERT), 494 SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL, 495 DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX, 496 DA7219_NO_INVERT), 497 498 /* ADC */ 499 SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN, 500 DA7219_ADC_L_DIGITAL_GAIN_SHIFT, 501 DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT, 502 da7219_adc_dig_gain_tlv), 503 SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL, 504 DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 505 DA7219_INVERT), 506 SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL, 507 DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX, 508 DA7219_NO_INVERT), 509 510 /* ALC */ 511 SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate), 512 SOC_ENUM("ALC Release Rate", da7219_alc_release_rate), 513 SOC_ENUM("ALC Hold Time", da7219_alc_hold_time), 514 SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate), 515 SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate), 516 SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE, 517 DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX, 518 DA7219_INVERT, da7219_alc_threshold_tlv), 519 SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN, 520 DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX, 521 DA7219_INVERT, da7219_alc_threshold_tlv), 522 SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX, 523 DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX, 524 DA7219_INVERT, da7219_alc_threshold_tlv), 525 SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS, 526 DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX, 527 DA7219_NO_INVERT, da7219_alc_gain_tlv), 528 SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS, 529 DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX, 530 DA7219_NO_INVERT, da7219_alc_gain_tlv), 531 SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS, 532 DA7219_ALC_ANA_GAIN_MIN_SHIFT, 533 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX, 534 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv), 535 SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS, 536 DA7219_ALC_ANA_GAIN_MAX_SHIFT, 537 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX, 538 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv), 539 SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step), 540 SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL, 541 DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX, 542 DA7219_NO_INVERT), 543 SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT, 544 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT, 545 snd_soc_get_volsw, da7219_alc_sw_put), 546 547 /* Input High-Pass Filters */ 548 SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode), 549 SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner), 550 SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner), 551 552 /* Sidetone Filter */ 553 SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN, 554 DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX, 555 DA7219_NO_INVERT, da7219_sidetone_gain_tlv), 556 SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL, 557 DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 558 DA7219_INVERT), 559 560 /* Tone Generator */ 561 SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2, 562 DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX, 563 DA7219_NO_INVERT, da7219_volsw_locked_get, 564 da7219_volsw_locked_put, da7219_tonegen_gain_tlv), 565 SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key, 566 da7219_enum_locked_get, da7219_enum_locked_put), 567 SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1, 568 DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX, 569 DA7219_NO_INVERT, da7219_volsw_locked_get, 570 da7219_volsw_locked_put), 571 SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel, 572 da7219_enum_locked_get, da7219_enum_locked_put), 573 SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L, 574 DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT, 575 da7219_tonegen_freq_get, da7219_tonegen_freq_put), 576 SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L, 577 DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT, 578 da7219_tonegen_freq_get, da7219_tonegen_freq_put), 579 SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER, 580 DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX, 581 DA7219_NO_INVERT, da7219_volsw_locked_get, 582 da7219_volsw_locked_put), 583 SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER, 584 DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX, 585 DA7219_NO_INVERT), 586 587 /* Gain ramping */ 588 SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate), 589 590 /* DAC High-Pass Filter */ 591 SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode, 592 da7219_enum_locked_get, da7219_enum_locked_put), 593 SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner), 594 SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner), 595 596 /* DAC 5-Band Equaliser */ 597 SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2, 598 DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX, 599 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 600 SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2, 601 DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX, 602 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 603 SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3, 604 DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX, 605 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 606 SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3, 607 DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX, 608 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 609 SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4, 610 DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX, 611 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 612 SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4, 613 DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX, 614 DA7219_NO_INVERT, da7219_volsw_locked_get, 615 da7219_volsw_locked_put), 616 617 /* DAC Softmute */ 618 SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate), 619 SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5, 620 DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 621 DA7219_NO_INVERT, da7219_volsw_locked_get, 622 da7219_volsw_locked_put), 623 624 /* DAC Noise Gate */ 625 SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time), 626 SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate), 627 SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate), 628 SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH, 629 DA7219_DAC_NG_OFF_THRESHOLD_SHIFT, 630 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT, 631 da7219_dac_ng_threshold_tlv), 632 SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH, 633 DA7219_DAC_NG_ON_THRESHOLD_SHIFT, 634 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT, 635 da7219_dac_ng_threshold_tlv), 636 SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT, 637 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 638 639 /* DACs */ 640 SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN, 641 DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT, 642 DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT, 643 da7219_volsw_locked_get, da7219_volsw_locked_put, 644 da7219_dac_dig_gain_tlv), 645 SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL, 646 DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT, 647 DA7219_SWITCH_EN_MAX, DA7219_INVERT, 648 da7219_volsw_locked_get, da7219_volsw_locked_put), 649 SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL, 650 DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT, 651 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 652 653 /* CP */ 654 SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode), 655 SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1, 656 DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX, 657 DA7219_NO_INVERT), 658 659 /* Headphones */ 660 SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN, 661 DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT, 662 DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT, 663 da7219_volsw_locked_get, da7219_volsw_locked_put, 664 da7219_hp_gain_tlv), 665 SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL, 666 DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 667 DA7219_INVERT, da7219_volsw_locked_get, 668 da7219_volsw_locked_put), 669 SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL, 670 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT, 671 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 672 SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL, 673 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT, 674 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 675 }; 676 677 678 /* 679 * DAPM Mux Controls 680 */ 681 682 static const char * const da7219_out_sel_txt[] = { 683 "ADC", "Tone Generator", "DAIL", "DAIR" 684 }; 685 686 static const struct soc_enum da7219_out_dail_sel = 687 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI, 688 DA7219_DAI_L_SRC_SHIFT, 689 DA7219_OUT_SRC_MAX, 690 da7219_out_sel_txt); 691 692 static const struct snd_kcontrol_new da7219_out_dail_sel_mux = 693 SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel); 694 695 static const struct soc_enum da7219_out_dair_sel = 696 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI, 697 DA7219_DAI_R_SRC_SHIFT, 698 DA7219_OUT_SRC_MAX, 699 da7219_out_sel_txt); 700 701 static const struct snd_kcontrol_new da7219_out_dair_sel_mux = 702 SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel); 703 704 static const struct soc_enum da7219_out_dacl_sel = 705 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC, 706 DA7219_DAC_L_SRC_SHIFT, 707 DA7219_OUT_SRC_MAX, 708 da7219_out_sel_txt); 709 710 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux = 711 SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel); 712 713 static const struct soc_enum da7219_out_dacr_sel = 714 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC, 715 DA7219_DAC_R_SRC_SHIFT, 716 DA7219_OUT_SRC_MAX, 717 da7219_out_sel_txt); 718 719 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux = 720 SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel); 721 722 723 /* 724 * DAPM Mixer Controls 725 */ 726 727 static const struct snd_kcontrol_new da7219_mixin_controls[] = { 728 SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT, 729 DA7219_MIXIN_L_MIX_SELECT_SHIFT, 730 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 731 }; 732 733 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = { 734 SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT, 735 DA7219_MIXOUT_L_MIX_SELECT_SHIFT, 736 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 737 }; 738 739 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = { 740 SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT, 741 DA7219_MIXOUT_R_MIX_SELECT_SHIFT, 742 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 743 }; 744 745 #define DA7219_DMIX_ST_CTRLS(reg) \ 746 SOC_DAPM_SINGLE("Out FilterL Switch", reg, \ 747 DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT, \ 748 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \ 749 SOC_DAPM_SINGLE("Out FilterR Switch", reg, \ 750 DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT, \ 751 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \ 752 SOC_DAPM_SINGLE("Sidetone Switch", reg, \ 753 DA7219_DMIX_ST_SRC_SIDETONE_SHIFT, \ 754 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT) \ 755 756 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = { 757 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L), 758 }; 759 760 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = { 761 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R), 762 }; 763 764 765 /* 766 * DAPM Events 767 */ 768 769 static int da7219_dai_event(struct snd_soc_dapm_widget *w, 770 struct snd_kcontrol *kcontrol, int event) 771 { 772 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 773 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 774 u8 pll_ctrl, pll_status; 775 int i = 0; 776 bool srm_lock = false; 777 778 switch (event) { 779 case SND_SOC_DAPM_PRE_PMU: 780 if (da7219->master) 781 /* Enable DAI clks for master mode */ 782 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 783 DA7219_DAI_CLK_EN_MASK, 784 DA7219_DAI_CLK_EN_MASK); 785 786 /* PC synchronised to DAI */ 787 snd_soc_update_bits(codec, DA7219_PC_COUNT, 788 DA7219_PC_FREERUN_MASK, 0); 789 790 /* Slave mode, if SRM not enabled no need for status checks */ 791 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL); 792 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM) 793 return 0; 794 795 /* Check SRM has locked */ 796 do { 797 pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS); 798 if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) { 799 srm_lock = true; 800 } else { 801 ++i; 802 msleep(50); 803 } 804 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock)); 805 806 if (!srm_lock) 807 dev_warn(codec->dev, "SRM failed to lock\n"); 808 809 return 0; 810 case SND_SOC_DAPM_POST_PMD: 811 /* PC free-running */ 812 snd_soc_update_bits(codec, DA7219_PC_COUNT, 813 DA7219_PC_FREERUN_MASK, 814 DA7219_PC_FREERUN_MASK); 815 816 /* Disable DAI clks if in master mode */ 817 if (da7219->master) 818 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 819 DA7219_DAI_CLK_EN_MASK, 0); 820 return 0; 821 default: 822 return -EINVAL; 823 } 824 } 825 826 827 /* 828 * DAPM Widgets 829 */ 830 831 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = { 832 /* Input Supplies */ 833 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL, 834 DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT, 835 NULL, 0), 836 837 /* Inputs */ 838 SND_SOC_DAPM_INPUT("MIC"), 839 840 /* Input PGAs */ 841 SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL, 842 DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT, 843 NULL, 0), 844 SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL, 845 DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 846 NULL, 0), 847 848 /* Input Filters */ 849 SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT, 850 DA7219_NO_INVERT), 851 852 /* Tone Generator */ 853 SND_SOC_DAPM_SIGGEN("TONE"), 854 SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1, 855 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0), 856 857 /* Sidetone Input */ 858 SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL, 859 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT), 860 861 /* Input Mixer Supply */ 862 SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL, 863 DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT, 864 NULL, 0), 865 866 /* Input Mixer */ 867 SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0, 868 da7219_mixin_controls, 869 ARRAY_SIZE(da7219_mixin_controls)), 870 871 /* Input Muxes */ 872 SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0, 873 &da7219_out_dail_sel_mux), 874 SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0, 875 &da7219_out_dair_sel_mux), 876 877 /* DAI Supply */ 878 SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT, 879 DA7219_NO_INVERT, da7219_dai_event, 880 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 881 882 /* DAI */ 883 SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0), 884 SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0), 885 886 /* Output Muxes */ 887 SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0, 888 &da7219_out_dacl_sel_mux), 889 SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0, 890 &da7219_out_dacr_sel_mux), 891 892 /* Output Mixers */ 893 SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0, 894 da7219_mixout_l_controls, 895 ARRAY_SIZE(da7219_mixout_l_controls)), 896 SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0, 897 da7219_mixout_r_controls, 898 ARRAY_SIZE(da7219_mixout_r_controls)), 899 900 /* Sidetone Mixers */ 901 SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0, 902 da7219_st_out_filtl_mix_controls, 903 ARRAY_SIZE(da7219_st_out_filtl_mix_controls)), 904 SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0, 905 0, da7219_st_out_filtr_mix_controls, 906 ARRAY_SIZE(da7219_st_out_filtr_mix_controls)), 907 908 /* DACs */ 909 SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT, 910 DA7219_NO_INVERT), 911 SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT, 912 DA7219_NO_INVERT), 913 914 /* Output PGAs */ 915 SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL, 916 DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 917 NULL, 0), 918 SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL, 919 DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT, 920 NULL, 0), 921 SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL, 922 DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0), 923 SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL, 924 DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0), 925 926 /* Output Supplies */ 927 SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT, 928 DA7219_NO_INVERT, NULL, 0), 929 930 /* Outputs */ 931 SND_SOC_DAPM_OUTPUT("HPL"), 932 SND_SOC_DAPM_OUTPUT("HPR"), 933 }; 934 935 936 /* 937 * DAPM Mux Routes 938 */ 939 940 #define DA7219_OUT_DAI_MUX_ROUTES(name) \ 941 {name, "ADC", "Mixer In"}, \ 942 {name, "Tone Generator", "Tone Generator"}, \ 943 {name, "DAIL", "DAIOUT"}, \ 944 {name, "DAIR", "DAIOUT"} 945 946 #define DA7219_OUT_DAC_MUX_ROUTES(name) \ 947 {name, "ADC", "Mixer In"}, \ 948 {name, "Tone Generator", "Tone Generator"}, \ 949 {name, "DAIL", "DAIIN"}, \ 950 {name, "DAIR", "DAIIN"} 951 952 /* 953 * DAPM Mixer Routes 954 */ 955 956 #define DA7219_DMIX_ST_ROUTES(name) \ 957 {name, "Out FilterL Switch", "Mixer Out FilterL"}, \ 958 {name, "Out FilterR Switch", "Mixer Out FilterR"}, \ 959 {name, "Sidetone Switch", "Sidetone Filter"} 960 961 962 /* 963 * DAPM audio route definition 964 */ 965 966 static const struct snd_soc_dapm_route da7219_audio_map[] = { 967 /* Input paths */ 968 {"MIC", NULL, "Mic Bias"}, 969 {"Mic PGA", NULL, "MIC"}, 970 {"Mixin PGA", NULL, "Mic PGA"}, 971 {"ADC", NULL, "Mixin PGA"}, 972 973 {"Mixer In", NULL, "Mixer In Supply"}, 974 {"Mixer In", "Mic Switch", "ADC"}, 975 976 {"Sidetone Filter", NULL, "Mixer In"}, 977 978 {"Tone Generator", NULL, "TONE"}, 979 980 DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"), 981 DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"), 982 983 {"DAIOUT", NULL, "Out DAIL Mux"}, 984 {"DAIOUT", NULL, "Out DAIR Mux"}, 985 {"DAIOUT", NULL, "DAI"}, 986 987 /* Output paths */ 988 {"DAIIN", NULL, "DAI"}, 989 990 DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"), 991 DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"), 992 993 {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"}, 994 {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"}, 995 996 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"), 997 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"), 998 999 {"DACL", NULL, "ST Mixer Out FilterL"}, 1000 {"DACR", NULL, "ST Mixer Out FilterR"}, 1001 1002 {"Mixout Left PGA", NULL, "DACL"}, 1003 {"Mixout Right PGA", NULL, "DACR"}, 1004 1005 {"Headphone Left PGA", NULL, "Mixout Left PGA"}, 1006 {"Headphone Right PGA", NULL, "Mixout Right PGA"}, 1007 1008 {"HPL", NULL, "Headphone Left PGA"}, 1009 {"HPR", NULL, "Headphone Right PGA"}, 1010 1011 {"HPL", NULL, "Charge Pump"}, 1012 {"HPR", NULL, "Charge Pump"}, 1013 }; 1014 1015 1016 /* 1017 * DAI operations 1018 */ 1019 1020 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1021 int clk_id, unsigned int freq, int dir) 1022 { 1023 struct snd_soc_codec *codec = codec_dai->codec; 1024 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1025 int ret = 0; 1026 1027 if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq)) 1028 return 0; 1029 1030 if ((freq < 2000000) || (freq > 54000000)) { 1031 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n", 1032 freq); 1033 return -EINVAL; 1034 } 1035 1036 switch (clk_id) { 1037 case DA7219_CLKSRC_MCLK_SQR: 1038 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1039 DA7219_PLL_MCLK_SQR_EN_MASK, 1040 DA7219_PLL_MCLK_SQR_EN_MASK); 1041 break; 1042 case DA7219_CLKSRC_MCLK: 1043 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1044 DA7219_PLL_MCLK_SQR_EN_MASK, 0); 1045 break; 1046 default: 1047 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id); 1048 return -EINVAL; 1049 } 1050 1051 da7219->clk_src = clk_id; 1052 1053 if (da7219->mclk) { 1054 freq = clk_round_rate(da7219->mclk, freq); 1055 ret = clk_set_rate(da7219->mclk, freq); 1056 if (ret) { 1057 dev_err(codec_dai->dev, "Failed to set clock rate %d\n", 1058 freq); 1059 return ret; 1060 } 1061 } 1062 1063 da7219->mclk_rate = freq; 1064 1065 return 0; 1066 } 1067 1068 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 1069 int source, unsigned int fref, unsigned int fout) 1070 { 1071 struct snd_soc_codec *codec = codec_dai->codec; 1072 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1073 1074 u8 pll_ctrl, indiv_bits, indiv; 1075 u8 pll_frac_top, pll_frac_bot, pll_integer; 1076 u32 freq_ref; 1077 u64 frac_div; 1078 1079 /* Verify 2MHz - 54MHz MCLK provided, and set input divider */ 1080 if (da7219->mclk_rate < 2000000) { 1081 dev_err(codec->dev, "PLL input clock %d below valid range\n", 1082 da7219->mclk_rate); 1083 return -EINVAL; 1084 } else if (da7219->mclk_rate <= 4500000) { 1085 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ; 1086 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL; 1087 } else if (da7219->mclk_rate <= 9000000) { 1088 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ; 1089 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL; 1090 } else if (da7219->mclk_rate <= 18000000) { 1091 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ; 1092 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL; 1093 } else if (da7219->mclk_rate <= 36000000) { 1094 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ; 1095 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL; 1096 } else if (da7219->mclk_rate <= 54000000) { 1097 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ; 1098 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL; 1099 } else { 1100 dev_err(codec->dev, "PLL input clock %d above valid range\n", 1101 da7219->mclk_rate); 1102 return -EINVAL; 1103 } 1104 freq_ref = (da7219->mclk_rate / indiv); 1105 pll_ctrl = indiv_bits; 1106 1107 /* Configure PLL */ 1108 switch (source) { 1109 case DA7219_SYSCLK_MCLK: 1110 pll_ctrl |= DA7219_PLL_MODE_BYPASS; 1111 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1112 DA7219_PLL_INDIV_MASK | 1113 DA7219_PLL_MODE_MASK, pll_ctrl); 1114 return 0; 1115 case DA7219_SYSCLK_PLL: 1116 pll_ctrl |= DA7219_PLL_MODE_NORMAL; 1117 break; 1118 case DA7219_SYSCLK_PLL_SRM: 1119 pll_ctrl |= DA7219_PLL_MODE_SRM; 1120 break; 1121 default: 1122 dev_err(codec->dev, "Invalid PLL config\n"); 1123 return -EINVAL; 1124 } 1125 1126 /* Calculate dividers for PLL */ 1127 pll_integer = fout / freq_ref; 1128 frac_div = (u64)(fout % freq_ref) * 8192ULL; 1129 do_div(frac_div, freq_ref); 1130 pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK; 1131 pll_frac_bot = (frac_div) & DA7219_BYTE_MASK; 1132 1133 /* Write PLL config & dividers */ 1134 snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top); 1135 snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot); 1136 snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer); 1137 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1138 DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK, 1139 pll_ctrl); 1140 1141 return 0; 1142 } 1143 1144 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 1145 { 1146 struct snd_soc_codec *codec = codec_dai->codec; 1147 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1148 u8 dai_clk_mode = 0, dai_ctrl = 0; 1149 1150 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1151 case SND_SOC_DAIFMT_CBM_CFM: 1152 da7219->master = true; 1153 break; 1154 case SND_SOC_DAIFMT_CBS_CFS: 1155 da7219->master = false; 1156 break; 1157 default: 1158 return -EINVAL; 1159 } 1160 1161 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1162 case SND_SOC_DAIFMT_I2S: 1163 case SND_SOC_DAIFMT_LEFT_J: 1164 case SND_SOC_DAIFMT_RIGHT_J: 1165 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1166 case SND_SOC_DAIFMT_NB_NF: 1167 break; 1168 case SND_SOC_DAIFMT_NB_IF: 1169 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; 1170 break; 1171 case SND_SOC_DAIFMT_IB_NF: 1172 dai_clk_mode |= DA7219_DAI_CLK_POL_INV; 1173 break; 1174 case SND_SOC_DAIFMT_IB_IF: 1175 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | 1176 DA7219_DAI_CLK_POL_INV; 1177 break; 1178 default: 1179 return -EINVAL; 1180 } 1181 break; 1182 case SND_SOC_DAIFMT_DSP_B: 1183 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1184 case SND_SOC_DAIFMT_NB_NF: 1185 dai_clk_mode |= DA7219_DAI_CLK_POL_INV; 1186 break; 1187 case SND_SOC_DAIFMT_NB_IF: 1188 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | 1189 DA7219_DAI_CLK_POL_INV; 1190 break; 1191 case SND_SOC_DAIFMT_IB_NF: 1192 break; 1193 case SND_SOC_DAIFMT_IB_IF: 1194 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; 1195 break; 1196 default: 1197 return -EINVAL; 1198 } 1199 break; 1200 default: 1201 return -EINVAL; 1202 } 1203 1204 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1205 case SND_SOC_DAIFMT_I2S: 1206 dai_ctrl |= DA7219_DAI_FORMAT_I2S; 1207 break; 1208 case SND_SOC_DAIFMT_LEFT_J: 1209 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J; 1210 break; 1211 case SND_SOC_DAIFMT_RIGHT_J: 1212 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J; 1213 break; 1214 case SND_SOC_DAIFMT_DSP_B: 1215 dai_ctrl |= DA7219_DAI_FORMAT_DSP; 1216 break; 1217 default: 1218 return -EINVAL; 1219 } 1220 1221 /* By default 64 BCLKs per WCLK is supported */ 1222 dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64; 1223 1224 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 1225 DA7219_DAI_BCLKS_PER_WCLK_MASK | 1226 DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK, 1227 dai_clk_mode); 1228 snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK, 1229 dai_ctrl); 1230 1231 return 0; 1232 } 1233 1234 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai, 1235 unsigned int tx_mask, unsigned int rx_mask, 1236 int slots, int slot_width) 1237 { 1238 struct snd_soc_codec *codec = dai->codec; 1239 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1240 u8 dai_bclks_per_wclk; 1241 u16 offset; 1242 u32 frame_size; 1243 1244 /* No channels enabled so disable TDM, revert to 64-bit frames */ 1245 if (!tx_mask) { 1246 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL, 1247 DA7219_DAI_TDM_CH_EN_MASK | 1248 DA7219_DAI_TDM_MODE_EN_MASK, 0); 1249 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 1250 DA7219_DAI_BCLKS_PER_WCLK_MASK, 1251 DA7219_DAI_BCLKS_PER_WCLK_64); 1252 return 0; 1253 } 1254 1255 /* Check we have valid slots */ 1256 if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) { 1257 dev_err(codec->dev, "Invalid number of slots, max = %d\n", 1258 DA7219_DAI_TDM_MAX_SLOTS); 1259 return -EINVAL; 1260 } 1261 1262 /* Check we have a valid offset given */ 1263 if (rx_mask > DA7219_DAI_OFFSET_MAX) { 1264 dev_err(codec->dev, "Invalid slot offset, max = %d\n", 1265 DA7219_DAI_OFFSET_MAX); 1266 return -EINVAL; 1267 } 1268 1269 /* Calculate & validate frame size based on slot info provided. */ 1270 frame_size = slots * slot_width; 1271 switch (frame_size) { 1272 case 32: 1273 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32; 1274 break; 1275 case 64: 1276 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64; 1277 break; 1278 case 128: 1279 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128; 1280 break; 1281 case 256: 1282 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256; 1283 break; 1284 default: 1285 dev_err(codec->dev, "Invalid frame size %d\n", frame_size); 1286 return -EINVAL; 1287 } 1288 1289 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 1290 DA7219_DAI_BCLKS_PER_WCLK_MASK, 1291 dai_bclks_per_wclk); 1292 1293 offset = cpu_to_le16(rx_mask); 1294 regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER, 1295 &offset, sizeof(offset)); 1296 1297 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL, 1298 DA7219_DAI_TDM_CH_EN_MASK | 1299 DA7219_DAI_TDM_MODE_EN_MASK, 1300 (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) | 1301 DA7219_DAI_TDM_MODE_EN_MASK); 1302 1303 return 0; 1304 } 1305 1306 static int da7219_hw_params(struct snd_pcm_substream *substream, 1307 struct snd_pcm_hw_params *params, 1308 struct snd_soc_dai *dai) 1309 { 1310 struct snd_soc_codec *codec = dai->codec; 1311 u8 dai_ctrl = 0, fs; 1312 unsigned int channels; 1313 1314 switch (params_width(params)) { 1315 case 16: 1316 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE; 1317 break; 1318 case 20: 1319 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE; 1320 break; 1321 case 24: 1322 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE; 1323 break; 1324 case 32: 1325 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE; 1326 break; 1327 default: 1328 return -EINVAL; 1329 } 1330 1331 channels = params_channels(params); 1332 if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) { 1333 dev_err(codec->dev, 1334 "Invalid number of channels, only 1 to %d supported\n", 1335 DA7219_DAI_CH_NUM_MAX); 1336 return -EINVAL; 1337 } 1338 dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT; 1339 1340 switch (params_rate(params)) { 1341 case 8000: 1342 fs = DA7219_SR_8000; 1343 break; 1344 case 11025: 1345 fs = DA7219_SR_11025; 1346 break; 1347 case 12000: 1348 fs = DA7219_SR_12000; 1349 break; 1350 case 16000: 1351 fs = DA7219_SR_16000; 1352 break; 1353 case 22050: 1354 fs = DA7219_SR_22050; 1355 break; 1356 case 24000: 1357 fs = DA7219_SR_24000; 1358 break; 1359 case 32000: 1360 fs = DA7219_SR_32000; 1361 break; 1362 case 44100: 1363 fs = DA7219_SR_44100; 1364 break; 1365 case 48000: 1366 fs = DA7219_SR_48000; 1367 break; 1368 case 88200: 1369 fs = DA7219_SR_88200; 1370 break; 1371 case 96000: 1372 fs = DA7219_SR_96000; 1373 break; 1374 default: 1375 return -EINVAL; 1376 } 1377 1378 snd_soc_update_bits(codec, DA7219_DAI_CTRL, 1379 DA7219_DAI_WORD_LENGTH_MASK | 1380 DA7219_DAI_CH_NUM_MASK, 1381 dai_ctrl); 1382 snd_soc_write(codec, DA7219_SR, fs); 1383 1384 return 0; 1385 } 1386 1387 static const struct snd_soc_dai_ops da7219_dai_ops = { 1388 .hw_params = da7219_hw_params, 1389 .set_sysclk = da7219_set_dai_sysclk, 1390 .set_pll = da7219_set_dai_pll, 1391 .set_fmt = da7219_set_dai_fmt, 1392 .set_tdm_slot = da7219_set_dai_tdm_slot, 1393 }; 1394 1395 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1396 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 1397 1398 static struct snd_soc_dai_driver da7219_dai = { 1399 .name = "da7219-hifi", 1400 .playback = { 1401 .stream_name = "Playback", 1402 .channels_min = 1, 1403 .channels_max = DA7219_DAI_CH_NUM_MAX, 1404 .rates = SNDRV_PCM_RATE_8000_96000, 1405 .formats = DA7219_FORMATS, 1406 }, 1407 .capture = { 1408 .stream_name = "Capture", 1409 .channels_min = 1, 1410 .channels_max = DA7219_DAI_CH_NUM_MAX, 1411 .rates = SNDRV_PCM_RATE_8000_96000, 1412 .formats = DA7219_FORMATS, 1413 }, 1414 .ops = &da7219_dai_ops, 1415 .symmetric_rates = 1, 1416 .symmetric_channels = 1, 1417 .symmetric_samplebits = 1, 1418 }; 1419 1420 1421 /* 1422 * DT/ACPI 1423 */ 1424 1425 static const struct of_device_id da7219_of_match[] = { 1426 { .compatible = "dlg,da7219", }, 1427 { } 1428 }; 1429 MODULE_DEVICE_TABLE(of, da7219_of_match); 1430 1431 static const struct acpi_device_id da7219_acpi_match[] = { 1432 { .id = "DLGS7219", }, 1433 { } 1434 }; 1435 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match); 1436 1437 static enum da7219_micbias_voltage 1438 da7219_fw_micbias_lvl(struct device *dev, u32 val) 1439 { 1440 switch (val) { 1441 case 1600: 1442 return DA7219_MICBIAS_1_6V; 1443 case 1800: 1444 return DA7219_MICBIAS_1_8V; 1445 case 2000: 1446 return DA7219_MICBIAS_2_0V; 1447 case 2200: 1448 return DA7219_MICBIAS_2_2V; 1449 case 2400: 1450 return DA7219_MICBIAS_2_4V; 1451 case 2600: 1452 return DA7219_MICBIAS_2_6V; 1453 default: 1454 dev_warn(dev, "Invalid micbias level"); 1455 return DA7219_MICBIAS_2_2V; 1456 } 1457 } 1458 1459 static enum da7219_mic_amp_in_sel 1460 da7219_fw_mic_amp_in_sel(struct device *dev, const char *str) 1461 { 1462 if (!strcmp(str, "diff")) { 1463 return DA7219_MIC_AMP_IN_SEL_DIFF; 1464 } else if (!strcmp(str, "se_p")) { 1465 return DA7219_MIC_AMP_IN_SEL_SE_P; 1466 } else if (!strcmp(str, "se_n")) { 1467 return DA7219_MIC_AMP_IN_SEL_SE_N; 1468 } else { 1469 dev_warn(dev, "Invalid mic input type selection"); 1470 return DA7219_MIC_AMP_IN_SEL_DIFF; 1471 } 1472 } 1473 1474 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_codec *codec) 1475 { 1476 struct device *dev = codec->dev; 1477 struct da7219_pdata *pdata; 1478 const char *of_str; 1479 u32 of_val32; 1480 1481 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); 1482 if (!pdata) 1483 return NULL; 1484 1485 pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source"); 1486 1487 if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0) 1488 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32); 1489 else 1490 pdata->micbias_lvl = DA7219_MICBIAS_2_2V; 1491 1492 if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str)) 1493 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str); 1494 else 1495 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF; 1496 1497 return pdata; 1498 } 1499 1500 1501 /* 1502 * Codec driver functions 1503 */ 1504 1505 static int da7219_set_bias_level(struct snd_soc_codec *codec, 1506 enum snd_soc_bias_level level) 1507 { 1508 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1509 int ret; 1510 1511 switch (level) { 1512 case SND_SOC_BIAS_ON: 1513 break; 1514 case SND_SOC_BIAS_PREPARE: 1515 /* Enable MCLK for transition to ON state */ 1516 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) { 1517 if (da7219->mclk) { 1518 ret = clk_prepare_enable(da7219->mclk); 1519 if (ret) { 1520 dev_err(codec->dev, 1521 "Failed to enable mclk\n"); 1522 return ret; 1523 } 1524 } 1525 } 1526 1527 break; 1528 case SND_SOC_BIAS_STANDBY: 1529 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) 1530 /* Master bias */ 1531 snd_soc_update_bits(codec, DA7219_REFERENCES, 1532 DA7219_BIAS_EN_MASK, 1533 DA7219_BIAS_EN_MASK); 1534 1535 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE) { 1536 /* Remove MCLK */ 1537 if (da7219->mclk) 1538 clk_disable_unprepare(da7219->mclk); 1539 } 1540 break; 1541 case SND_SOC_BIAS_OFF: 1542 /* Only disable master bias if we're not a wake-up source */ 1543 if (!da7219->wakeup_source) 1544 snd_soc_update_bits(codec, DA7219_REFERENCES, 1545 DA7219_BIAS_EN_MASK, 0); 1546 1547 break; 1548 } 1549 1550 return 0; 1551 } 1552 1553 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = { 1554 [DA7219_SUPPLY_VDD] = "VDD", 1555 [DA7219_SUPPLY_VDDMIC] = "VDDMIC", 1556 [DA7219_SUPPLY_VDDIO] = "VDDIO", 1557 }; 1558 1559 static int da7219_handle_supplies(struct snd_soc_codec *codec) 1560 { 1561 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1562 struct regulator *vddio; 1563 u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V; 1564 int i, ret; 1565 1566 /* Get required supplies */ 1567 for (i = 0; i < DA7219_NUM_SUPPLIES; ++i) 1568 da7219->supplies[i].supply = da7219_supply_names[i]; 1569 1570 ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES, 1571 da7219->supplies); 1572 if (ret) { 1573 dev_err(codec->dev, "Failed to get supplies"); 1574 return ret; 1575 } 1576 1577 /* Determine VDDIO voltage provided */ 1578 vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer; 1579 ret = regulator_get_voltage(vddio); 1580 if (ret < 1200000) 1581 dev_warn(codec->dev, "Invalid VDDIO voltage\n"); 1582 else if (ret < 2800000) 1583 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V; 1584 1585 /* Enable main supplies */ 1586 ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies); 1587 if (ret) { 1588 dev_err(codec->dev, "Failed to enable supplies"); 1589 return ret; 1590 } 1591 1592 /* Ensure device in active mode */ 1593 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK); 1594 1595 /* Update IO voltage level range */ 1596 snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl); 1597 1598 return 0; 1599 } 1600 1601 static void da7219_handle_pdata(struct snd_soc_codec *codec) 1602 { 1603 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1604 struct da7219_pdata *pdata = da7219->pdata; 1605 1606 if (pdata) { 1607 u8 micbias_lvl = 0; 1608 1609 da7219->wakeup_source = pdata->wakeup_source; 1610 1611 /* Mic Bias voltages */ 1612 switch (pdata->micbias_lvl) { 1613 case DA7219_MICBIAS_1_6V: 1614 case DA7219_MICBIAS_1_8V: 1615 case DA7219_MICBIAS_2_0V: 1616 case DA7219_MICBIAS_2_2V: 1617 case DA7219_MICBIAS_2_4V: 1618 case DA7219_MICBIAS_2_6V: 1619 micbias_lvl |= (pdata->micbias_lvl << 1620 DA7219_MICBIAS1_LEVEL_SHIFT); 1621 break; 1622 } 1623 1624 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl); 1625 1626 /* Mic */ 1627 switch (pdata->mic_amp_in_sel) { 1628 case DA7219_MIC_AMP_IN_SEL_DIFF: 1629 case DA7219_MIC_AMP_IN_SEL_SE_P: 1630 case DA7219_MIC_AMP_IN_SEL_SE_N: 1631 snd_soc_write(codec, DA7219_MIC_1_SELECT, 1632 pdata->mic_amp_in_sel); 1633 break; 1634 } 1635 } 1636 } 1637 1638 static struct reg_sequence da7219_rev_aa_patch[] = { 1639 { DA7219_REFERENCES, 0x08 }, 1640 }; 1641 1642 static int da7219_probe(struct snd_soc_codec *codec) 1643 { 1644 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1645 unsigned int rev; 1646 int ret; 1647 1648 mutex_init(&da7219->lock); 1649 1650 /* Regulator configuration */ 1651 ret = da7219_handle_supplies(codec); 1652 if (ret) 1653 return ret; 1654 1655 ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev); 1656 if (ret) { 1657 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret); 1658 goto err_disable_reg; 1659 } 1660 1661 switch (rev & DA7219_CHIP_MINOR_MASK) { 1662 case 0: 1663 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch, 1664 ARRAY_SIZE(da7219_rev_aa_patch)); 1665 if (ret) { 1666 dev_err(codec->dev, "Failed to register AA patch: %d\n", 1667 ret); 1668 goto err_disable_reg; 1669 } 1670 break; 1671 default: 1672 break; 1673 } 1674 1675 /* Handle DT/ACPI/Platform data */ 1676 da7219->pdata = dev_get_platdata(codec->dev); 1677 if (!da7219->pdata) 1678 da7219->pdata = da7219_fw_to_pdata(codec); 1679 1680 da7219_handle_pdata(codec); 1681 1682 /* Check if MCLK provided */ 1683 da7219->mclk = devm_clk_get(codec->dev, "mclk"); 1684 if (IS_ERR(da7219->mclk)) { 1685 if (PTR_ERR(da7219->mclk) != -ENOENT) { 1686 ret = PTR_ERR(da7219->mclk); 1687 goto err_disable_reg; 1688 } else { 1689 da7219->mclk = NULL; 1690 } 1691 } 1692 1693 /* Default PC counter to free-running */ 1694 snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK, 1695 DA7219_PC_FREERUN_MASK); 1696 1697 /* Default gain ramping */ 1698 snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL, 1699 DA7219_MIXIN_L_AMP_RAMP_EN_MASK, 1700 DA7219_MIXIN_L_AMP_RAMP_EN_MASK); 1701 snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK, 1702 DA7219_ADC_L_RAMP_EN_MASK); 1703 snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK, 1704 DA7219_DAC_L_RAMP_EN_MASK); 1705 snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK, 1706 DA7219_DAC_R_RAMP_EN_MASK); 1707 snd_soc_update_bits(codec, DA7219_HP_L_CTRL, 1708 DA7219_HP_L_AMP_RAMP_EN_MASK, 1709 DA7219_HP_L_AMP_RAMP_EN_MASK); 1710 snd_soc_update_bits(codec, DA7219_HP_R_CTRL, 1711 DA7219_HP_R_AMP_RAMP_EN_MASK, 1712 DA7219_HP_R_AMP_RAMP_EN_MASK); 1713 1714 /* Default infinite tone gen, start/stop by Kcontrol */ 1715 snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK); 1716 1717 /* Initialise AAD block */ 1718 ret = da7219_aad_init(codec); 1719 if (ret) 1720 goto err_disable_reg; 1721 1722 return 0; 1723 1724 err_disable_reg: 1725 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); 1726 1727 return ret; 1728 } 1729 1730 static int da7219_remove(struct snd_soc_codec *codec) 1731 { 1732 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1733 1734 da7219_aad_exit(codec); 1735 1736 /* Supplies */ 1737 return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); 1738 } 1739 1740 #ifdef CONFIG_PM 1741 static int da7219_suspend(struct snd_soc_codec *codec) 1742 { 1743 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1744 1745 /* Suspend AAD if we're not a wake-up source */ 1746 if (!da7219->wakeup_source) 1747 da7219_aad_suspend(codec); 1748 1749 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF); 1750 1751 return 0; 1752 } 1753 1754 static int da7219_resume(struct snd_soc_codec *codec) 1755 { 1756 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1757 1758 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY); 1759 1760 /* Resume AAD if previously suspended */ 1761 if (!da7219->wakeup_source) 1762 da7219_aad_resume(codec); 1763 1764 return 0; 1765 } 1766 #else 1767 #define da7219_suspend NULL 1768 #define da7219_resume NULL 1769 #endif 1770 1771 static struct snd_soc_codec_driver soc_codec_dev_da7219 = { 1772 .probe = da7219_probe, 1773 .remove = da7219_remove, 1774 .suspend = da7219_suspend, 1775 .resume = da7219_resume, 1776 .set_bias_level = da7219_set_bias_level, 1777 1778 .component_driver = { 1779 .controls = da7219_snd_controls, 1780 .num_controls = ARRAY_SIZE(da7219_snd_controls), 1781 .dapm_widgets = da7219_dapm_widgets, 1782 .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets), 1783 .dapm_routes = da7219_audio_map, 1784 .num_dapm_routes = ARRAY_SIZE(da7219_audio_map), 1785 }, 1786 }; 1787 1788 1789 /* 1790 * Regmap configs 1791 */ 1792 1793 static struct reg_default da7219_reg_defaults[] = { 1794 { DA7219_MIC_1_SELECT, 0x00 }, 1795 { DA7219_CIF_TIMEOUT_CTRL, 0x01 }, 1796 { DA7219_SR_24_48, 0x00 }, 1797 { DA7219_SR, 0x0A }, 1798 { DA7219_CIF_I2C_ADDR_CFG, 0x02 }, 1799 { DA7219_PLL_CTRL, 0x10 }, 1800 { DA7219_PLL_FRAC_TOP, 0x00 }, 1801 { DA7219_PLL_FRAC_BOT, 0x00 }, 1802 { DA7219_PLL_INTEGER, 0x20 }, 1803 { DA7219_DIG_ROUTING_DAI, 0x10 }, 1804 { DA7219_DAI_CLK_MODE, 0x01 }, 1805 { DA7219_DAI_CTRL, 0x28 }, 1806 { DA7219_DAI_TDM_CTRL, 0x40 }, 1807 { DA7219_DIG_ROUTING_DAC, 0x32 }, 1808 { DA7219_DAI_OFFSET_LOWER, 0x00 }, 1809 { DA7219_DAI_OFFSET_UPPER, 0x00 }, 1810 { DA7219_REFERENCES, 0x08 }, 1811 { DA7219_MIXIN_L_SELECT, 0x00 }, 1812 { DA7219_MIXIN_L_GAIN, 0x03 }, 1813 { DA7219_ADC_L_GAIN, 0x6F }, 1814 { DA7219_ADC_FILTERS1, 0x80 }, 1815 { DA7219_MIC_1_GAIN, 0x01 }, 1816 { DA7219_SIDETONE_CTRL, 0x40 }, 1817 { DA7219_SIDETONE_GAIN, 0x0E }, 1818 { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 }, 1819 { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 }, 1820 { DA7219_DAC_FILTERS5, 0x00 }, 1821 { DA7219_DAC_FILTERS2, 0x88 }, 1822 { DA7219_DAC_FILTERS3, 0x88 }, 1823 { DA7219_DAC_FILTERS4, 0x08 }, 1824 { DA7219_DAC_FILTERS1, 0x80 }, 1825 { DA7219_DAC_L_GAIN, 0x6F }, 1826 { DA7219_DAC_R_GAIN, 0x6F }, 1827 { DA7219_CP_CTRL, 0x20 }, 1828 { DA7219_HP_L_GAIN, 0x39 }, 1829 { DA7219_HP_R_GAIN, 0x39 }, 1830 { DA7219_MIXOUT_L_SELECT, 0x00 }, 1831 { DA7219_MIXOUT_R_SELECT, 0x00 }, 1832 { DA7219_MICBIAS_CTRL, 0x03 }, 1833 { DA7219_MIC_1_CTRL, 0x40 }, 1834 { DA7219_MIXIN_L_CTRL, 0x40 }, 1835 { DA7219_ADC_L_CTRL, 0x40 }, 1836 { DA7219_DAC_L_CTRL, 0x40 }, 1837 { DA7219_DAC_R_CTRL, 0x40 }, 1838 { DA7219_HP_L_CTRL, 0x40 }, 1839 { DA7219_HP_R_CTRL, 0x40 }, 1840 { DA7219_MIXOUT_L_CTRL, 0x10 }, 1841 { DA7219_MIXOUT_R_CTRL, 0x10 }, 1842 { DA7219_CHIP_ID1, 0x23 }, 1843 { DA7219_CHIP_ID2, 0x93 }, 1844 { DA7219_IO_CTRL, 0x00 }, 1845 { DA7219_GAIN_RAMP_CTRL, 0x00 }, 1846 { DA7219_PC_COUNT, 0x02 }, 1847 { DA7219_CP_VOL_THRESHOLD1, 0x0E }, 1848 { DA7219_DIG_CTRL, 0x00 }, 1849 { DA7219_ALC_CTRL2, 0x00 }, 1850 { DA7219_ALC_CTRL3, 0x00 }, 1851 { DA7219_ALC_NOISE, 0x3F }, 1852 { DA7219_ALC_TARGET_MIN, 0x3F }, 1853 { DA7219_ALC_TARGET_MAX, 0x00 }, 1854 { DA7219_ALC_GAIN_LIMITS, 0xFF }, 1855 { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 }, 1856 { DA7219_ALC_ANTICLIP_CTRL, 0x00 }, 1857 { DA7219_ALC_ANTICLIP_LEVEL, 0x00 }, 1858 { DA7219_DAC_NG_SETUP_TIME, 0x00 }, 1859 { DA7219_DAC_NG_OFF_THRESH, 0x00 }, 1860 { DA7219_DAC_NG_ON_THRESH, 0x00 }, 1861 { DA7219_DAC_NG_CTRL, 0x00 }, 1862 { DA7219_TONE_GEN_CFG1, 0x00 }, 1863 { DA7219_TONE_GEN_CFG2, 0x00 }, 1864 { DA7219_TONE_GEN_CYCLES, 0x00 }, 1865 { DA7219_TONE_GEN_FREQ1_L, 0x55 }, 1866 { DA7219_TONE_GEN_FREQ1_U, 0x15 }, 1867 { DA7219_TONE_GEN_FREQ2_L, 0x00 }, 1868 { DA7219_TONE_GEN_FREQ2_U, 0x40 }, 1869 { DA7219_TONE_GEN_ON_PER, 0x02 }, 1870 { DA7219_TONE_GEN_OFF_PER, 0x01 }, 1871 { DA7219_ACCDET_IRQ_MASK_A, 0x00 }, 1872 { DA7219_ACCDET_IRQ_MASK_B, 0x00 }, 1873 { DA7219_ACCDET_CONFIG_1, 0xD6 }, 1874 { DA7219_ACCDET_CONFIG_2, 0x34 }, 1875 { DA7219_ACCDET_CONFIG_3, 0x0A }, 1876 { DA7219_ACCDET_CONFIG_4, 0x16 }, 1877 { DA7219_ACCDET_CONFIG_5, 0x21 }, 1878 { DA7219_ACCDET_CONFIG_6, 0x3E }, 1879 { DA7219_ACCDET_CONFIG_7, 0x01 }, 1880 { DA7219_SYSTEM_ACTIVE, 0x00 }, 1881 }; 1882 1883 static bool da7219_volatile_register(struct device *dev, unsigned int reg) 1884 { 1885 switch (reg) { 1886 case DA7219_MIC_1_GAIN_STATUS: 1887 case DA7219_MIXIN_L_GAIN_STATUS: 1888 case DA7219_ADC_L_GAIN_STATUS: 1889 case DA7219_DAC_L_GAIN_STATUS: 1890 case DA7219_DAC_R_GAIN_STATUS: 1891 case DA7219_HP_L_GAIN_STATUS: 1892 case DA7219_HP_R_GAIN_STATUS: 1893 case DA7219_CIF_CTRL: 1894 case DA7219_PLL_SRM_STS: 1895 case DA7219_ALC_CTRL1: 1896 case DA7219_SYSTEM_MODES_INPUT: 1897 case DA7219_SYSTEM_MODES_OUTPUT: 1898 case DA7219_ALC_OFFSET_AUTO_M_L: 1899 case DA7219_ALC_OFFSET_AUTO_U_L: 1900 case DA7219_TONE_GEN_CFG1: 1901 case DA7219_ACCDET_STATUS_A: 1902 case DA7219_ACCDET_STATUS_B: 1903 case DA7219_ACCDET_IRQ_EVENT_A: 1904 case DA7219_ACCDET_IRQ_EVENT_B: 1905 case DA7219_ACCDET_CONFIG_8: 1906 case DA7219_SYSTEM_STATUS: 1907 return 1; 1908 default: 1909 return 0; 1910 } 1911 } 1912 1913 static const struct regmap_config da7219_regmap_config = { 1914 .reg_bits = 8, 1915 .val_bits = 8, 1916 1917 .max_register = DA7219_SYSTEM_ACTIVE, 1918 .reg_defaults = da7219_reg_defaults, 1919 .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults), 1920 .volatile_reg = da7219_volatile_register, 1921 .cache_type = REGCACHE_RBTREE, 1922 }; 1923 1924 1925 /* 1926 * I2C layer 1927 */ 1928 1929 static int da7219_i2c_probe(struct i2c_client *i2c, 1930 const struct i2c_device_id *id) 1931 { 1932 struct da7219_priv *da7219; 1933 unsigned int system_active, system_status; 1934 int i, ret; 1935 1936 da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv), 1937 GFP_KERNEL); 1938 if (!da7219) 1939 return -ENOMEM; 1940 1941 i2c_set_clientdata(i2c, da7219); 1942 1943 da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config); 1944 if (IS_ERR(da7219->regmap)) { 1945 ret = PTR_ERR(da7219->regmap); 1946 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); 1947 return ret; 1948 } 1949 1950 regcache_cache_bypass(da7219->regmap, true); 1951 1952 /* Disable audio paths if still active from previous start */ 1953 regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active); 1954 if (system_active) { 1955 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL, 1956 DA7219_GAIN_RAMP_RATE_NOMINAL); 1957 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00); 1958 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01); 1959 1960 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) { 1961 regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS, 1962 &system_status); 1963 if (!system_status) 1964 break; 1965 1966 msleep(DA7219_SYS_STAT_CHECK_DELAY); 1967 } 1968 } 1969 1970 /* Soft reset codec */ 1971 regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1, 1972 DA7219_ACCDET_EN_MASK, 0); 1973 regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL, 1974 DA7219_CIF_REG_SOFT_RESET_MASK, 1975 DA7219_CIF_REG_SOFT_RESET_MASK); 1976 regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE, 1977 DA7219_SYSTEM_ACTIVE_MASK, 0); 1978 1979 regcache_cache_bypass(da7219->regmap, false); 1980 1981 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219, 1982 &da7219_dai, 1); 1983 if (ret < 0) { 1984 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n", 1985 ret); 1986 } 1987 return ret; 1988 } 1989 1990 static int da7219_i2c_remove(struct i2c_client *client) 1991 { 1992 snd_soc_unregister_codec(&client->dev); 1993 return 0; 1994 } 1995 1996 static const struct i2c_device_id da7219_i2c_id[] = { 1997 { "da7219", }, 1998 { } 1999 }; 2000 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id); 2001 2002 static struct i2c_driver da7219_i2c_driver = { 2003 .driver = { 2004 .name = "da7219", 2005 .of_match_table = of_match_ptr(da7219_of_match), 2006 .acpi_match_table = ACPI_PTR(da7219_acpi_match), 2007 }, 2008 .probe = da7219_i2c_probe, 2009 .remove = da7219_i2c_remove, 2010 .id_table = da7219_i2c_id, 2011 }; 2012 2013 module_i2c_driver(da7219_i2c_driver); 2014 2015 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver"); 2016 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>"); 2017 MODULE_LICENSE("GPL"); 2018