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 static int da7219_settling_event(struct snd_soc_dapm_widget *w, 827 struct snd_kcontrol *kcontrol, int event) 828 { 829 switch (event) { 830 case SND_SOC_DAPM_POST_PMU: 831 case SND_SOC_DAPM_POST_PMD: 832 msleep(DA7219_SETTLING_DELAY); 833 break; 834 default: 835 break; 836 } 837 838 return 0; 839 } 840 841 static int da7219_mixout_event(struct snd_soc_dapm_widget *w, 842 struct snd_kcontrol *kcontrol, int event) 843 { 844 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 845 u8 hp_ctrl, min_gain_mask; 846 847 switch (w->reg) { 848 case DA7219_MIXOUT_L_CTRL: 849 hp_ctrl = DA7219_HP_L_CTRL; 850 min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK; 851 break; 852 case DA7219_MIXOUT_R_CTRL: 853 hp_ctrl = DA7219_HP_R_CTRL; 854 min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK; 855 break; 856 default: 857 return -EINVAL; 858 } 859 860 switch (event) { 861 case SND_SOC_DAPM_PRE_PMD: 862 /* Enable minimum gain on HP to avoid pops */ 863 snd_soc_update_bits(codec, hp_ctrl, min_gain_mask, 864 min_gain_mask); 865 866 msleep(DA7219_MIN_GAIN_DELAY); 867 868 break; 869 case SND_SOC_DAPM_POST_PMU: 870 /* Remove minimum gain on HP */ 871 snd_soc_update_bits(codec, hp_ctrl, min_gain_mask, 0); 872 873 break; 874 } 875 876 return 0; 877 } 878 879 static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w, 880 struct snd_kcontrol *kcontrol, int event) 881 { 882 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 883 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 884 885 switch (event) { 886 case SND_SOC_DAPM_PRE_PMU: 887 case SND_SOC_DAPM_PRE_PMD: 888 /* Ensure nominal gain ramping for DAPM sequence */ 889 da7219->gain_ramp_ctrl = 890 snd_soc_read(codec, DA7219_GAIN_RAMP_CTRL); 891 snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL, 892 DA7219_GAIN_RAMP_RATE_NOMINAL); 893 break; 894 case SND_SOC_DAPM_POST_PMU: 895 case SND_SOC_DAPM_POST_PMD: 896 /* Restore previous gain ramp settings */ 897 snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL, 898 da7219->gain_ramp_ctrl); 899 break; 900 } 901 902 return 0; 903 } 904 905 906 /* 907 * DAPM Widgets 908 */ 909 910 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = { 911 /* Input Supplies */ 912 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL, 913 DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT, 914 NULL, 0), 915 916 /* Inputs */ 917 SND_SOC_DAPM_INPUT("MIC"), 918 919 /* Input PGAs */ 920 SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL, 921 DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT, 922 NULL, 0), 923 SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL, 924 DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 925 NULL, 0), 926 927 /* Input Filters */ 928 SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT, 929 DA7219_NO_INVERT), 930 931 /* Tone Generator */ 932 SND_SOC_DAPM_SIGGEN("TONE"), 933 SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1, 934 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0), 935 936 /* Sidetone Input */ 937 SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL, 938 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT), 939 940 /* Input Mixer Supply */ 941 SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL, 942 DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT, 943 NULL, 0), 944 945 /* Input Mixer */ 946 SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0, 947 da7219_mixin_controls, 948 ARRAY_SIZE(da7219_mixin_controls)), 949 950 /* Input Muxes */ 951 SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0, 952 &da7219_out_dail_sel_mux), 953 SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0, 954 &da7219_out_dair_sel_mux), 955 956 /* DAI Supply */ 957 SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT, 958 DA7219_NO_INVERT, da7219_dai_event, 959 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 960 961 /* DAI */ 962 SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL, 963 DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT), 964 SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0), 965 966 /* Output Muxes */ 967 SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0, 968 &da7219_out_dacl_sel_mux), 969 SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0, 970 &da7219_out_dacr_sel_mux), 971 972 /* Output Mixers */ 973 SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0, 974 da7219_mixout_l_controls, 975 ARRAY_SIZE(da7219_mixout_l_controls)), 976 SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0, 977 da7219_mixout_r_controls, 978 ARRAY_SIZE(da7219_mixout_r_controls)), 979 980 /* Sidetone Mixers */ 981 SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0, 982 da7219_st_out_filtl_mix_controls, 983 ARRAY_SIZE(da7219_st_out_filtl_mix_controls)), 984 SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0, 985 0, da7219_st_out_filtr_mix_controls, 986 ARRAY_SIZE(da7219_st_out_filtr_mix_controls)), 987 988 /* DACs */ 989 SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL, 990 DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT, 991 da7219_settling_event, 992 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 993 SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL, 994 DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT, 995 da7219_settling_event, 996 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 997 998 /* Output PGAs */ 999 SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL, 1000 DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 1001 NULL, 0, da7219_mixout_event, 1002 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1003 SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL, 1004 DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT, 1005 NULL, 0, da7219_mixout_event, 1006 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1007 SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL, 1008 DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 1009 da7219_settling_event, 1010 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 1011 SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL, 1012 DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, 1013 da7219_settling_event, 1014 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 1015 1016 /* Output Supplies */ 1017 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL, 1018 DA7219_CP_EN_SHIFT, DA7219_NO_INVERT, 1019 da7219_settling_event, 1020 SND_SOC_DAPM_POST_PMU), 1021 1022 /* Outputs */ 1023 SND_SOC_DAPM_OUTPUT("HPL"), 1024 SND_SOC_DAPM_OUTPUT("HPR"), 1025 1026 /* Pre/Post Power */ 1027 SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event), 1028 SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event), 1029 }; 1030 1031 1032 /* 1033 * DAPM Mux Routes 1034 */ 1035 1036 #define DA7219_OUT_DAI_MUX_ROUTES(name) \ 1037 {name, "ADC", "Mixer In"}, \ 1038 {name, "Tone Generator", "Tone Generator"}, \ 1039 {name, "DAIL", "DAIOUT"}, \ 1040 {name, "DAIR", "DAIOUT"} 1041 1042 #define DA7219_OUT_DAC_MUX_ROUTES(name) \ 1043 {name, "ADC", "Mixer In"}, \ 1044 {name, "Tone Generator", "Tone Generator"}, \ 1045 {name, "DAIL", "DAIIN"}, \ 1046 {name, "DAIR", "DAIIN"} 1047 1048 /* 1049 * DAPM Mixer Routes 1050 */ 1051 1052 #define DA7219_DMIX_ST_ROUTES(name) \ 1053 {name, "Out FilterL Switch", "Mixer Out FilterL"}, \ 1054 {name, "Out FilterR Switch", "Mixer Out FilterR"}, \ 1055 {name, "Sidetone Switch", "Sidetone Filter"} 1056 1057 1058 /* 1059 * DAPM audio route definition 1060 */ 1061 1062 static const struct snd_soc_dapm_route da7219_audio_map[] = { 1063 /* Input paths */ 1064 {"MIC", NULL, "Mic Bias"}, 1065 {"Mic PGA", NULL, "MIC"}, 1066 {"Mixin PGA", NULL, "Mic PGA"}, 1067 {"ADC", NULL, "Mixin PGA"}, 1068 1069 {"Mixer In", NULL, "Mixer In Supply"}, 1070 {"Mixer In", "Mic Switch", "ADC"}, 1071 1072 {"Sidetone Filter", NULL, "Mixer In"}, 1073 1074 {"Tone Generator", NULL, "TONE"}, 1075 1076 DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"), 1077 DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"), 1078 1079 {"DAIOUT", NULL, "Out DAIL Mux"}, 1080 {"DAIOUT", NULL, "Out DAIR Mux"}, 1081 {"DAIOUT", NULL, "DAI"}, 1082 1083 /* Output paths */ 1084 {"DAIIN", NULL, "DAI"}, 1085 1086 DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"), 1087 DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"), 1088 1089 {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"}, 1090 {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"}, 1091 1092 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"), 1093 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"), 1094 1095 {"DACL", NULL, "ST Mixer Out FilterL"}, 1096 {"DACR", NULL, "ST Mixer Out FilterR"}, 1097 1098 {"Mixout Left PGA", NULL, "DACL"}, 1099 {"Mixout Right PGA", NULL, "DACR"}, 1100 1101 {"HPL", NULL, "Mixout Left PGA"}, 1102 {"HPR", NULL, "Mixout Right PGA"}, 1103 1104 {"HPL", NULL, "Headphone Left PGA"}, 1105 {"HPR", NULL, "Headphone Right PGA"}, 1106 1107 {"HPL", NULL, "Charge Pump"}, 1108 {"HPR", NULL, "Charge Pump"}, 1109 }; 1110 1111 1112 /* 1113 * DAI operations 1114 */ 1115 1116 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1117 int clk_id, unsigned int freq, int dir) 1118 { 1119 struct snd_soc_codec *codec = codec_dai->codec; 1120 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1121 int ret = 0; 1122 1123 if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq)) 1124 return 0; 1125 1126 if ((freq < 2000000) || (freq > 54000000)) { 1127 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n", 1128 freq); 1129 return -EINVAL; 1130 } 1131 1132 switch (clk_id) { 1133 case DA7219_CLKSRC_MCLK_SQR: 1134 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1135 DA7219_PLL_MCLK_SQR_EN_MASK, 1136 DA7219_PLL_MCLK_SQR_EN_MASK); 1137 break; 1138 case DA7219_CLKSRC_MCLK: 1139 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1140 DA7219_PLL_MCLK_SQR_EN_MASK, 0); 1141 break; 1142 default: 1143 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id); 1144 return -EINVAL; 1145 } 1146 1147 da7219->clk_src = clk_id; 1148 1149 if (da7219->mclk) { 1150 freq = clk_round_rate(da7219->mclk, freq); 1151 ret = clk_set_rate(da7219->mclk, freq); 1152 if (ret) { 1153 dev_err(codec_dai->dev, "Failed to set clock rate %d\n", 1154 freq); 1155 return ret; 1156 } 1157 } 1158 1159 da7219->mclk_rate = freq; 1160 1161 return 0; 1162 } 1163 1164 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 1165 int source, unsigned int fref, unsigned int fout) 1166 { 1167 struct snd_soc_codec *codec = codec_dai->codec; 1168 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1169 1170 u8 pll_ctrl, indiv_bits, indiv; 1171 u8 pll_frac_top, pll_frac_bot, pll_integer; 1172 u32 freq_ref; 1173 u64 frac_div; 1174 1175 /* Verify 2MHz - 54MHz MCLK provided, and set input divider */ 1176 if (da7219->mclk_rate < 2000000) { 1177 dev_err(codec->dev, "PLL input clock %d below valid range\n", 1178 da7219->mclk_rate); 1179 return -EINVAL; 1180 } else if (da7219->mclk_rate <= 4500000) { 1181 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ; 1182 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL; 1183 } else if (da7219->mclk_rate <= 9000000) { 1184 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ; 1185 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL; 1186 } else if (da7219->mclk_rate <= 18000000) { 1187 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ; 1188 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL; 1189 } else if (da7219->mclk_rate <= 36000000) { 1190 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ; 1191 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL; 1192 } else if (da7219->mclk_rate <= 54000000) { 1193 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ; 1194 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL; 1195 } else { 1196 dev_err(codec->dev, "PLL input clock %d above valid range\n", 1197 da7219->mclk_rate); 1198 return -EINVAL; 1199 } 1200 freq_ref = (da7219->mclk_rate / indiv); 1201 pll_ctrl = indiv_bits; 1202 1203 /* Configure PLL */ 1204 switch (source) { 1205 case DA7219_SYSCLK_MCLK: 1206 pll_ctrl |= DA7219_PLL_MODE_BYPASS; 1207 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1208 DA7219_PLL_INDIV_MASK | 1209 DA7219_PLL_MODE_MASK, pll_ctrl); 1210 return 0; 1211 case DA7219_SYSCLK_PLL: 1212 pll_ctrl |= DA7219_PLL_MODE_NORMAL; 1213 break; 1214 case DA7219_SYSCLK_PLL_SRM: 1215 pll_ctrl |= DA7219_PLL_MODE_SRM; 1216 break; 1217 default: 1218 dev_err(codec->dev, "Invalid PLL config\n"); 1219 return -EINVAL; 1220 } 1221 1222 /* Calculate dividers for PLL */ 1223 pll_integer = fout / freq_ref; 1224 frac_div = (u64)(fout % freq_ref) * 8192ULL; 1225 do_div(frac_div, freq_ref); 1226 pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK; 1227 pll_frac_bot = (frac_div) & DA7219_BYTE_MASK; 1228 1229 /* Write PLL config & dividers */ 1230 snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top); 1231 snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot); 1232 snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer); 1233 snd_soc_update_bits(codec, DA7219_PLL_CTRL, 1234 DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK, 1235 pll_ctrl); 1236 1237 return 0; 1238 } 1239 1240 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 1241 { 1242 struct snd_soc_codec *codec = codec_dai->codec; 1243 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1244 u8 dai_clk_mode = 0, dai_ctrl = 0; 1245 1246 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1247 case SND_SOC_DAIFMT_CBM_CFM: 1248 da7219->master = true; 1249 break; 1250 case SND_SOC_DAIFMT_CBS_CFS: 1251 da7219->master = false; 1252 break; 1253 default: 1254 return -EINVAL; 1255 } 1256 1257 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1258 case SND_SOC_DAIFMT_I2S: 1259 case SND_SOC_DAIFMT_LEFT_J: 1260 case SND_SOC_DAIFMT_RIGHT_J: 1261 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1262 case SND_SOC_DAIFMT_NB_NF: 1263 break; 1264 case SND_SOC_DAIFMT_NB_IF: 1265 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; 1266 break; 1267 case SND_SOC_DAIFMT_IB_NF: 1268 dai_clk_mode |= DA7219_DAI_CLK_POL_INV; 1269 break; 1270 case SND_SOC_DAIFMT_IB_IF: 1271 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | 1272 DA7219_DAI_CLK_POL_INV; 1273 break; 1274 default: 1275 return -EINVAL; 1276 } 1277 break; 1278 case SND_SOC_DAIFMT_DSP_B: 1279 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1280 case SND_SOC_DAIFMT_NB_NF: 1281 dai_clk_mode |= DA7219_DAI_CLK_POL_INV; 1282 break; 1283 case SND_SOC_DAIFMT_NB_IF: 1284 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | 1285 DA7219_DAI_CLK_POL_INV; 1286 break; 1287 case SND_SOC_DAIFMT_IB_NF: 1288 break; 1289 case SND_SOC_DAIFMT_IB_IF: 1290 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; 1291 break; 1292 default: 1293 return -EINVAL; 1294 } 1295 break; 1296 default: 1297 return -EINVAL; 1298 } 1299 1300 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1301 case SND_SOC_DAIFMT_I2S: 1302 dai_ctrl |= DA7219_DAI_FORMAT_I2S; 1303 break; 1304 case SND_SOC_DAIFMT_LEFT_J: 1305 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J; 1306 break; 1307 case SND_SOC_DAIFMT_RIGHT_J: 1308 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J; 1309 break; 1310 case SND_SOC_DAIFMT_DSP_B: 1311 dai_ctrl |= DA7219_DAI_FORMAT_DSP; 1312 break; 1313 default: 1314 return -EINVAL; 1315 } 1316 1317 /* By default 64 BCLKs per WCLK is supported */ 1318 dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64; 1319 1320 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 1321 DA7219_DAI_BCLKS_PER_WCLK_MASK | 1322 DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK, 1323 dai_clk_mode); 1324 snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK, 1325 dai_ctrl); 1326 1327 return 0; 1328 } 1329 1330 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai, 1331 unsigned int tx_mask, unsigned int rx_mask, 1332 int slots, int slot_width) 1333 { 1334 struct snd_soc_codec *codec = dai->codec; 1335 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1336 u8 dai_bclks_per_wclk; 1337 u16 offset; 1338 u32 frame_size; 1339 1340 /* No channels enabled so disable TDM, revert to 64-bit frames */ 1341 if (!tx_mask) { 1342 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL, 1343 DA7219_DAI_TDM_CH_EN_MASK | 1344 DA7219_DAI_TDM_MODE_EN_MASK, 0); 1345 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 1346 DA7219_DAI_BCLKS_PER_WCLK_MASK, 1347 DA7219_DAI_BCLKS_PER_WCLK_64); 1348 return 0; 1349 } 1350 1351 /* Check we have valid slots */ 1352 if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) { 1353 dev_err(codec->dev, "Invalid number of slots, max = %d\n", 1354 DA7219_DAI_TDM_MAX_SLOTS); 1355 return -EINVAL; 1356 } 1357 1358 /* Check we have a valid offset given */ 1359 if (rx_mask > DA7219_DAI_OFFSET_MAX) { 1360 dev_err(codec->dev, "Invalid slot offset, max = %d\n", 1361 DA7219_DAI_OFFSET_MAX); 1362 return -EINVAL; 1363 } 1364 1365 /* Calculate & validate frame size based on slot info provided. */ 1366 frame_size = slots * slot_width; 1367 switch (frame_size) { 1368 case 32: 1369 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32; 1370 break; 1371 case 64: 1372 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64; 1373 break; 1374 case 128: 1375 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128; 1376 break; 1377 case 256: 1378 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256; 1379 break; 1380 default: 1381 dev_err(codec->dev, "Invalid frame size %d\n", frame_size); 1382 return -EINVAL; 1383 } 1384 1385 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE, 1386 DA7219_DAI_BCLKS_PER_WCLK_MASK, 1387 dai_bclks_per_wclk); 1388 1389 offset = cpu_to_le16(rx_mask); 1390 regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER, 1391 &offset, sizeof(offset)); 1392 1393 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL, 1394 DA7219_DAI_TDM_CH_EN_MASK | 1395 DA7219_DAI_TDM_MODE_EN_MASK, 1396 (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) | 1397 DA7219_DAI_TDM_MODE_EN_MASK); 1398 1399 return 0; 1400 } 1401 1402 static int da7219_hw_params(struct snd_pcm_substream *substream, 1403 struct snd_pcm_hw_params *params, 1404 struct snd_soc_dai *dai) 1405 { 1406 struct snd_soc_codec *codec = dai->codec; 1407 u8 dai_ctrl = 0, fs; 1408 unsigned int channels; 1409 1410 switch (params_width(params)) { 1411 case 16: 1412 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE; 1413 break; 1414 case 20: 1415 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE; 1416 break; 1417 case 24: 1418 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE; 1419 break; 1420 case 32: 1421 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE; 1422 break; 1423 default: 1424 return -EINVAL; 1425 } 1426 1427 channels = params_channels(params); 1428 if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) { 1429 dev_err(codec->dev, 1430 "Invalid number of channels, only 1 to %d supported\n", 1431 DA7219_DAI_CH_NUM_MAX); 1432 return -EINVAL; 1433 } 1434 dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT; 1435 1436 switch (params_rate(params)) { 1437 case 8000: 1438 fs = DA7219_SR_8000; 1439 break; 1440 case 11025: 1441 fs = DA7219_SR_11025; 1442 break; 1443 case 12000: 1444 fs = DA7219_SR_12000; 1445 break; 1446 case 16000: 1447 fs = DA7219_SR_16000; 1448 break; 1449 case 22050: 1450 fs = DA7219_SR_22050; 1451 break; 1452 case 24000: 1453 fs = DA7219_SR_24000; 1454 break; 1455 case 32000: 1456 fs = DA7219_SR_32000; 1457 break; 1458 case 44100: 1459 fs = DA7219_SR_44100; 1460 break; 1461 case 48000: 1462 fs = DA7219_SR_48000; 1463 break; 1464 case 88200: 1465 fs = DA7219_SR_88200; 1466 break; 1467 case 96000: 1468 fs = DA7219_SR_96000; 1469 break; 1470 default: 1471 return -EINVAL; 1472 } 1473 1474 snd_soc_update_bits(codec, DA7219_DAI_CTRL, 1475 DA7219_DAI_WORD_LENGTH_MASK | 1476 DA7219_DAI_CH_NUM_MASK, 1477 dai_ctrl); 1478 snd_soc_write(codec, DA7219_SR, fs); 1479 1480 return 0; 1481 } 1482 1483 static const struct snd_soc_dai_ops da7219_dai_ops = { 1484 .hw_params = da7219_hw_params, 1485 .set_sysclk = da7219_set_dai_sysclk, 1486 .set_pll = da7219_set_dai_pll, 1487 .set_fmt = da7219_set_dai_fmt, 1488 .set_tdm_slot = da7219_set_dai_tdm_slot, 1489 }; 1490 1491 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1492 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 1493 1494 static struct snd_soc_dai_driver da7219_dai = { 1495 .name = "da7219-hifi", 1496 .playback = { 1497 .stream_name = "Playback", 1498 .channels_min = 1, 1499 .channels_max = DA7219_DAI_CH_NUM_MAX, 1500 .rates = SNDRV_PCM_RATE_8000_96000, 1501 .formats = DA7219_FORMATS, 1502 }, 1503 .capture = { 1504 .stream_name = "Capture", 1505 .channels_min = 1, 1506 .channels_max = DA7219_DAI_CH_NUM_MAX, 1507 .rates = SNDRV_PCM_RATE_8000_96000, 1508 .formats = DA7219_FORMATS, 1509 }, 1510 .ops = &da7219_dai_ops, 1511 .symmetric_rates = 1, 1512 .symmetric_channels = 1, 1513 .symmetric_samplebits = 1, 1514 }; 1515 1516 1517 /* 1518 * DT/ACPI 1519 */ 1520 1521 static const struct of_device_id da7219_of_match[] = { 1522 { .compatible = "dlg,da7219", }, 1523 { } 1524 }; 1525 MODULE_DEVICE_TABLE(of, da7219_of_match); 1526 1527 static const struct acpi_device_id da7219_acpi_match[] = { 1528 { .id = "DLGS7219", }, 1529 { } 1530 }; 1531 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match); 1532 1533 static enum da7219_micbias_voltage 1534 da7219_fw_micbias_lvl(struct device *dev, u32 val) 1535 { 1536 switch (val) { 1537 case 1600: 1538 return DA7219_MICBIAS_1_6V; 1539 case 1800: 1540 return DA7219_MICBIAS_1_8V; 1541 case 2000: 1542 return DA7219_MICBIAS_2_0V; 1543 case 2200: 1544 return DA7219_MICBIAS_2_2V; 1545 case 2400: 1546 return DA7219_MICBIAS_2_4V; 1547 case 2600: 1548 return DA7219_MICBIAS_2_6V; 1549 default: 1550 dev_warn(dev, "Invalid micbias level"); 1551 return DA7219_MICBIAS_2_2V; 1552 } 1553 } 1554 1555 static enum da7219_mic_amp_in_sel 1556 da7219_fw_mic_amp_in_sel(struct device *dev, const char *str) 1557 { 1558 if (!strcmp(str, "diff")) { 1559 return DA7219_MIC_AMP_IN_SEL_DIFF; 1560 } else if (!strcmp(str, "se_p")) { 1561 return DA7219_MIC_AMP_IN_SEL_SE_P; 1562 } else if (!strcmp(str, "se_n")) { 1563 return DA7219_MIC_AMP_IN_SEL_SE_N; 1564 } else { 1565 dev_warn(dev, "Invalid mic input type selection"); 1566 return DA7219_MIC_AMP_IN_SEL_DIFF; 1567 } 1568 } 1569 1570 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_codec *codec) 1571 { 1572 struct device *dev = codec->dev; 1573 struct da7219_pdata *pdata; 1574 const char *of_str; 1575 u32 of_val32; 1576 1577 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); 1578 if (!pdata) 1579 return NULL; 1580 1581 pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source"); 1582 1583 if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0) 1584 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32); 1585 else 1586 pdata->micbias_lvl = DA7219_MICBIAS_2_2V; 1587 1588 if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str)) 1589 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str); 1590 else 1591 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF; 1592 1593 return pdata; 1594 } 1595 1596 1597 /* 1598 * Codec driver functions 1599 */ 1600 1601 static int da7219_set_bias_level(struct snd_soc_codec *codec, 1602 enum snd_soc_bias_level level) 1603 { 1604 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1605 int ret; 1606 1607 switch (level) { 1608 case SND_SOC_BIAS_ON: 1609 break; 1610 case SND_SOC_BIAS_PREPARE: 1611 /* Enable MCLK for transition to ON state */ 1612 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) { 1613 if (da7219->mclk) { 1614 ret = clk_prepare_enable(da7219->mclk); 1615 if (ret) { 1616 dev_err(codec->dev, 1617 "Failed to enable mclk\n"); 1618 return ret; 1619 } 1620 } 1621 } 1622 1623 break; 1624 case SND_SOC_BIAS_STANDBY: 1625 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) 1626 /* Master bias */ 1627 snd_soc_update_bits(codec, DA7219_REFERENCES, 1628 DA7219_BIAS_EN_MASK, 1629 DA7219_BIAS_EN_MASK); 1630 1631 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE) { 1632 /* Remove MCLK */ 1633 if (da7219->mclk) 1634 clk_disable_unprepare(da7219->mclk); 1635 } 1636 break; 1637 case SND_SOC_BIAS_OFF: 1638 /* Only disable master bias if we're not a wake-up source */ 1639 if (!da7219->wakeup_source) 1640 snd_soc_update_bits(codec, DA7219_REFERENCES, 1641 DA7219_BIAS_EN_MASK, 0); 1642 1643 break; 1644 } 1645 1646 return 0; 1647 } 1648 1649 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = { 1650 [DA7219_SUPPLY_VDD] = "VDD", 1651 [DA7219_SUPPLY_VDDMIC] = "VDDMIC", 1652 [DA7219_SUPPLY_VDDIO] = "VDDIO", 1653 }; 1654 1655 static int da7219_handle_supplies(struct snd_soc_codec *codec) 1656 { 1657 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1658 struct regulator *vddio; 1659 u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V; 1660 int i, ret; 1661 1662 /* Get required supplies */ 1663 for (i = 0; i < DA7219_NUM_SUPPLIES; ++i) 1664 da7219->supplies[i].supply = da7219_supply_names[i]; 1665 1666 ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES, 1667 da7219->supplies); 1668 if (ret) { 1669 dev_err(codec->dev, "Failed to get supplies"); 1670 return ret; 1671 } 1672 1673 /* Determine VDDIO voltage provided */ 1674 vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer; 1675 ret = regulator_get_voltage(vddio); 1676 if (ret < 1200000) 1677 dev_warn(codec->dev, "Invalid VDDIO voltage\n"); 1678 else if (ret < 2800000) 1679 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V; 1680 1681 /* Enable main supplies */ 1682 ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies); 1683 if (ret) { 1684 dev_err(codec->dev, "Failed to enable supplies"); 1685 return ret; 1686 } 1687 1688 /* Ensure device in active mode */ 1689 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK); 1690 1691 /* Update IO voltage level range */ 1692 snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl); 1693 1694 return 0; 1695 } 1696 1697 static void da7219_handle_pdata(struct snd_soc_codec *codec) 1698 { 1699 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1700 struct da7219_pdata *pdata = da7219->pdata; 1701 1702 if (pdata) { 1703 u8 micbias_lvl = 0; 1704 1705 da7219->wakeup_source = pdata->wakeup_source; 1706 1707 /* Mic Bias voltages */ 1708 switch (pdata->micbias_lvl) { 1709 case DA7219_MICBIAS_1_6V: 1710 case DA7219_MICBIAS_1_8V: 1711 case DA7219_MICBIAS_2_0V: 1712 case DA7219_MICBIAS_2_2V: 1713 case DA7219_MICBIAS_2_4V: 1714 case DA7219_MICBIAS_2_6V: 1715 micbias_lvl |= (pdata->micbias_lvl << 1716 DA7219_MICBIAS1_LEVEL_SHIFT); 1717 break; 1718 } 1719 1720 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl); 1721 1722 /* Mic */ 1723 switch (pdata->mic_amp_in_sel) { 1724 case DA7219_MIC_AMP_IN_SEL_DIFF: 1725 case DA7219_MIC_AMP_IN_SEL_SE_P: 1726 case DA7219_MIC_AMP_IN_SEL_SE_N: 1727 snd_soc_write(codec, DA7219_MIC_1_SELECT, 1728 pdata->mic_amp_in_sel); 1729 break; 1730 } 1731 } 1732 } 1733 1734 static struct reg_sequence da7219_rev_aa_patch[] = { 1735 { DA7219_REFERENCES, 0x08 }, 1736 }; 1737 1738 static int da7219_probe(struct snd_soc_codec *codec) 1739 { 1740 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1741 unsigned int rev; 1742 int ret; 1743 1744 mutex_init(&da7219->lock); 1745 1746 /* Regulator configuration */ 1747 ret = da7219_handle_supplies(codec); 1748 if (ret) 1749 return ret; 1750 1751 ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev); 1752 if (ret) { 1753 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret); 1754 goto err_disable_reg; 1755 } 1756 1757 switch (rev & DA7219_CHIP_MINOR_MASK) { 1758 case 0: 1759 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch, 1760 ARRAY_SIZE(da7219_rev_aa_patch)); 1761 if (ret) { 1762 dev_err(codec->dev, "Failed to register AA patch: %d\n", 1763 ret); 1764 goto err_disable_reg; 1765 } 1766 break; 1767 default: 1768 break; 1769 } 1770 1771 /* Handle DT/ACPI/Platform data */ 1772 da7219->pdata = dev_get_platdata(codec->dev); 1773 if (!da7219->pdata) 1774 da7219->pdata = da7219_fw_to_pdata(codec); 1775 1776 da7219_handle_pdata(codec); 1777 1778 /* Check if MCLK provided */ 1779 da7219->mclk = devm_clk_get(codec->dev, "mclk"); 1780 if (IS_ERR(da7219->mclk)) { 1781 if (PTR_ERR(da7219->mclk) != -ENOENT) { 1782 ret = PTR_ERR(da7219->mclk); 1783 goto err_disable_reg; 1784 } else { 1785 da7219->mclk = NULL; 1786 } 1787 } 1788 1789 /* Default PC counter to free-running */ 1790 snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK, 1791 DA7219_PC_FREERUN_MASK); 1792 1793 /* Default gain ramping */ 1794 snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL, 1795 DA7219_MIXIN_L_AMP_RAMP_EN_MASK, 1796 DA7219_MIXIN_L_AMP_RAMP_EN_MASK); 1797 snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK, 1798 DA7219_ADC_L_RAMP_EN_MASK); 1799 snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK, 1800 DA7219_DAC_L_RAMP_EN_MASK); 1801 snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK, 1802 DA7219_DAC_R_RAMP_EN_MASK); 1803 snd_soc_update_bits(codec, DA7219_HP_L_CTRL, 1804 DA7219_HP_L_AMP_RAMP_EN_MASK, 1805 DA7219_HP_L_AMP_RAMP_EN_MASK); 1806 snd_soc_update_bits(codec, DA7219_HP_R_CTRL, 1807 DA7219_HP_R_AMP_RAMP_EN_MASK, 1808 DA7219_HP_R_AMP_RAMP_EN_MASK); 1809 1810 /* Default minimum gain on HP to avoid pops during DAPM sequencing */ 1811 snd_soc_update_bits(codec, DA7219_HP_L_CTRL, 1812 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK, 1813 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK); 1814 snd_soc_update_bits(codec, DA7219_HP_R_CTRL, 1815 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK, 1816 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK); 1817 1818 /* Default infinite tone gen, start/stop by Kcontrol */ 1819 snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK); 1820 1821 /* Initialise AAD block */ 1822 ret = da7219_aad_init(codec); 1823 if (ret) 1824 goto err_disable_reg; 1825 1826 return 0; 1827 1828 err_disable_reg: 1829 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); 1830 1831 return ret; 1832 } 1833 1834 static int da7219_remove(struct snd_soc_codec *codec) 1835 { 1836 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1837 1838 da7219_aad_exit(codec); 1839 1840 /* Supplies */ 1841 return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); 1842 } 1843 1844 #ifdef CONFIG_PM 1845 static int da7219_suspend(struct snd_soc_codec *codec) 1846 { 1847 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1848 1849 /* Suspend AAD if we're not a wake-up source */ 1850 if (!da7219->wakeup_source) 1851 da7219_aad_suspend(codec); 1852 1853 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF); 1854 1855 return 0; 1856 } 1857 1858 static int da7219_resume(struct snd_soc_codec *codec) 1859 { 1860 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); 1861 1862 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY); 1863 1864 /* Resume AAD if previously suspended */ 1865 if (!da7219->wakeup_source) 1866 da7219_aad_resume(codec); 1867 1868 return 0; 1869 } 1870 #else 1871 #define da7219_suspend NULL 1872 #define da7219_resume NULL 1873 #endif 1874 1875 static struct snd_soc_codec_driver soc_codec_dev_da7219 = { 1876 .probe = da7219_probe, 1877 .remove = da7219_remove, 1878 .suspend = da7219_suspend, 1879 .resume = da7219_resume, 1880 .set_bias_level = da7219_set_bias_level, 1881 1882 .component_driver = { 1883 .controls = da7219_snd_controls, 1884 .num_controls = ARRAY_SIZE(da7219_snd_controls), 1885 .dapm_widgets = da7219_dapm_widgets, 1886 .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets), 1887 .dapm_routes = da7219_audio_map, 1888 .num_dapm_routes = ARRAY_SIZE(da7219_audio_map), 1889 }, 1890 }; 1891 1892 1893 /* 1894 * Regmap configs 1895 */ 1896 1897 static struct reg_default da7219_reg_defaults[] = { 1898 { DA7219_MIC_1_SELECT, 0x00 }, 1899 { DA7219_CIF_TIMEOUT_CTRL, 0x01 }, 1900 { DA7219_SR_24_48, 0x00 }, 1901 { DA7219_SR, 0x0A }, 1902 { DA7219_CIF_I2C_ADDR_CFG, 0x02 }, 1903 { DA7219_PLL_CTRL, 0x10 }, 1904 { DA7219_PLL_FRAC_TOP, 0x00 }, 1905 { DA7219_PLL_FRAC_BOT, 0x00 }, 1906 { DA7219_PLL_INTEGER, 0x20 }, 1907 { DA7219_DIG_ROUTING_DAI, 0x10 }, 1908 { DA7219_DAI_CLK_MODE, 0x01 }, 1909 { DA7219_DAI_CTRL, 0x28 }, 1910 { DA7219_DAI_TDM_CTRL, 0x40 }, 1911 { DA7219_DIG_ROUTING_DAC, 0x32 }, 1912 { DA7219_DAI_OFFSET_LOWER, 0x00 }, 1913 { DA7219_DAI_OFFSET_UPPER, 0x00 }, 1914 { DA7219_REFERENCES, 0x08 }, 1915 { DA7219_MIXIN_L_SELECT, 0x00 }, 1916 { DA7219_MIXIN_L_GAIN, 0x03 }, 1917 { DA7219_ADC_L_GAIN, 0x6F }, 1918 { DA7219_ADC_FILTERS1, 0x80 }, 1919 { DA7219_MIC_1_GAIN, 0x01 }, 1920 { DA7219_SIDETONE_CTRL, 0x40 }, 1921 { DA7219_SIDETONE_GAIN, 0x0E }, 1922 { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 }, 1923 { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 }, 1924 { DA7219_DAC_FILTERS5, 0x00 }, 1925 { DA7219_DAC_FILTERS2, 0x88 }, 1926 { DA7219_DAC_FILTERS3, 0x88 }, 1927 { DA7219_DAC_FILTERS4, 0x08 }, 1928 { DA7219_DAC_FILTERS1, 0x80 }, 1929 { DA7219_DAC_L_GAIN, 0x6F }, 1930 { DA7219_DAC_R_GAIN, 0x6F }, 1931 { DA7219_CP_CTRL, 0x20 }, 1932 { DA7219_HP_L_GAIN, 0x39 }, 1933 { DA7219_HP_R_GAIN, 0x39 }, 1934 { DA7219_MIXOUT_L_SELECT, 0x00 }, 1935 { DA7219_MIXOUT_R_SELECT, 0x00 }, 1936 { DA7219_MICBIAS_CTRL, 0x03 }, 1937 { DA7219_MIC_1_CTRL, 0x40 }, 1938 { DA7219_MIXIN_L_CTRL, 0x40 }, 1939 { DA7219_ADC_L_CTRL, 0x40 }, 1940 { DA7219_DAC_L_CTRL, 0x40 }, 1941 { DA7219_DAC_R_CTRL, 0x40 }, 1942 { DA7219_HP_L_CTRL, 0x40 }, 1943 { DA7219_HP_R_CTRL, 0x40 }, 1944 { DA7219_MIXOUT_L_CTRL, 0x10 }, 1945 { DA7219_MIXOUT_R_CTRL, 0x10 }, 1946 { DA7219_CHIP_ID1, 0x23 }, 1947 { DA7219_CHIP_ID2, 0x93 }, 1948 { DA7219_IO_CTRL, 0x00 }, 1949 { DA7219_GAIN_RAMP_CTRL, 0x00 }, 1950 { DA7219_PC_COUNT, 0x02 }, 1951 { DA7219_CP_VOL_THRESHOLD1, 0x0E }, 1952 { DA7219_DIG_CTRL, 0x00 }, 1953 { DA7219_ALC_CTRL2, 0x00 }, 1954 { DA7219_ALC_CTRL3, 0x00 }, 1955 { DA7219_ALC_NOISE, 0x3F }, 1956 { DA7219_ALC_TARGET_MIN, 0x3F }, 1957 { DA7219_ALC_TARGET_MAX, 0x00 }, 1958 { DA7219_ALC_GAIN_LIMITS, 0xFF }, 1959 { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 }, 1960 { DA7219_ALC_ANTICLIP_CTRL, 0x00 }, 1961 { DA7219_ALC_ANTICLIP_LEVEL, 0x00 }, 1962 { DA7219_DAC_NG_SETUP_TIME, 0x00 }, 1963 { DA7219_DAC_NG_OFF_THRESH, 0x00 }, 1964 { DA7219_DAC_NG_ON_THRESH, 0x00 }, 1965 { DA7219_DAC_NG_CTRL, 0x00 }, 1966 { DA7219_TONE_GEN_CFG1, 0x00 }, 1967 { DA7219_TONE_GEN_CFG2, 0x00 }, 1968 { DA7219_TONE_GEN_CYCLES, 0x00 }, 1969 { DA7219_TONE_GEN_FREQ1_L, 0x55 }, 1970 { DA7219_TONE_GEN_FREQ1_U, 0x15 }, 1971 { DA7219_TONE_GEN_FREQ2_L, 0x00 }, 1972 { DA7219_TONE_GEN_FREQ2_U, 0x40 }, 1973 { DA7219_TONE_GEN_ON_PER, 0x02 }, 1974 { DA7219_TONE_GEN_OFF_PER, 0x01 }, 1975 { DA7219_ACCDET_IRQ_MASK_A, 0x00 }, 1976 { DA7219_ACCDET_IRQ_MASK_B, 0x00 }, 1977 { DA7219_ACCDET_CONFIG_1, 0xD6 }, 1978 { DA7219_ACCDET_CONFIG_2, 0x34 }, 1979 { DA7219_ACCDET_CONFIG_3, 0x0A }, 1980 { DA7219_ACCDET_CONFIG_4, 0x16 }, 1981 { DA7219_ACCDET_CONFIG_5, 0x21 }, 1982 { DA7219_ACCDET_CONFIG_6, 0x3E }, 1983 { DA7219_ACCDET_CONFIG_7, 0x01 }, 1984 { DA7219_SYSTEM_ACTIVE, 0x00 }, 1985 }; 1986 1987 static bool da7219_volatile_register(struct device *dev, unsigned int reg) 1988 { 1989 switch (reg) { 1990 case DA7219_MIC_1_GAIN_STATUS: 1991 case DA7219_MIXIN_L_GAIN_STATUS: 1992 case DA7219_ADC_L_GAIN_STATUS: 1993 case DA7219_DAC_L_GAIN_STATUS: 1994 case DA7219_DAC_R_GAIN_STATUS: 1995 case DA7219_HP_L_GAIN_STATUS: 1996 case DA7219_HP_R_GAIN_STATUS: 1997 case DA7219_CIF_CTRL: 1998 case DA7219_PLL_SRM_STS: 1999 case DA7219_ALC_CTRL1: 2000 case DA7219_SYSTEM_MODES_INPUT: 2001 case DA7219_SYSTEM_MODES_OUTPUT: 2002 case DA7219_ALC_OFFSET_AUTO_M_L: 2003 case DA7219_ALC_OFFSET_AUTO_U_L: 2004 case DA7219_TONE_GEN_CFG1: 2005 case DA7219_ACCDET_STATUS_A: 2006 case DA7219_ACCDET_STATUS_B: 2007 case DA7219_ACCDET_IRQ_EVENT_A: 2008 case DA7219_ACCDET_IRQ_EVENT_B: 2009 case DA7219_ACCDET_CONFIG_8: 2010 case DA7219_SYSTEM_STATUS: 2011 return 1; 2012 default: 2013 return 0; 2014 } 2015 } 2016 2017 static const struct regmap_config da7219_regmap_config = { 2018 .reg_bits = 8, 2019 .val_bits = 8, 2020 2021 .max_register = DA7219_SYSTEM_ACTIVE, 2022 .reg_defaults = da7219_reg_defaults, 2023 .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults), 2024 .volatile_reg = da7219_volatile_register, 2025 .cache_type = REGCACHE_RBTREE, 2026 }; 2027 2028 2029 /* 2030 * I2C layer 2031 */ 2032 2033 static int da7219_i2c_probe(struct i2c_client *i2c, 2034 const struct i2c_device_id *id) 2035 { 2036 struct da7219_priv *da7219; 2037 unsigned int system_active, system_status; 2038 int i, ret; 2039 2040 da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv), 2041 GFP_KERNEL); 2042 if (!da7219) 2043 return -ENOMEM; 2044 2045 i2c_set_clientdata(i2c, da7219); 2046 2047 da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config); 2048 if (IS_ERR(da7219->regmap)) { 2049 ret = PTR_ERR(da7219->regmap); 2050 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); 2051 return ret; 2052 } 2053 2054 regcache_cache_bypass(da7219->regmap, true); 2055 2056 /* Disable audio paths if still active from previous start */ 2057 regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active); 2058 if (system_active) { 2059 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL, 2060 DA7219_GAIN_RAMP_RATE_NOMINAL); 2061 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00); 2062 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01); 2063 2064 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) { 2065 regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS, 2066 &system_status); 2067 if (!system_status) 2068 break; 2069 2070 msleep(DA7219_SYS_STAT_CHECK_DELAY); 2071 } 2072 } 2073 2074 /* Soft reset codec */ 2075 regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1, 2076 DA7219_ACCDET_EN_MASK, 0); 2077 regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL, 2078 DA7219_CIF_REG_SOFT_RESET_MASK, 2079 DA7219_CIF_REG_SOFT_RESET_MASK); 2080 regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE, 2081 DA7219_SYSTEM_ACTIVE_MASK, 0); 2082 2083 regcache_cache_bypass(da7219->regmap, false); 2084 2085 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219, 2086 &da7219_dai, 1); 2087 if (ret < 0) { 2088 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n", 2089 ret); 2090 } 2091 return ret; 2092 } 2093 2094 static int da7219_i2c_remove(struct i2c_client *client) 2095 { 2096 snd_soc_unregister_codec(&client->dev); 2097 return 0; 2098 } 2099 2100 static const struct i2c_device_id da7219_i2c_id[] = { 2101 { "da7219", }, 2102 { } 2103 }; 2104 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id); 2105 2106 static struct i2c_driver da7219_i2c_driver = { 2107 .driver = { 2108 .name = "da7219", 2109 .of_match_table = of_match_ptr(da7219_of_match), 2110 .acpi_match_table = ACPI_PTR(da7219_acpi_match), 2111 }, 2112 .probe = da7219_i2c_probe, 2113 .remove = da7219_i2c_remove, 2114 .id_table = da7219_i2c_id, 2115 }; 2116 2117 module_i2c_driver(da7219_i2c_driver); 2118 2119 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver"); 2120 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>"); 2121 MODULE_LICENSE("GPL"); 2122