1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * da7219.c - DA7219 ALSA SoC Codec Driver 4 * 5 * Copyright (c) 2015 Dialog Semiconductor 6 * 7 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> 8 */ 9 10 #include <linux/acpi.h> 11 #include <linux/clk.h> 12 #include <linux/clkdev.h> 13 #include <linux/clk-provider.h> 14 #include <linux/i2c.h> 15 #include <linux/of_device.h> 16 #include <linux/property.h> 17 #include <linux/regmap.h> 18 #include <linux/slab.h> 19 #include <linux/pm.h> 20 #include <linux/module.h> 21 #include <linux/delay.h> 22 #include <linux/regulator/consumer.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include <sound/soc-dapm.h> 27 #include <sound/initval.h> 28 #include <sound/tlv.h> 29 #include <asm/div64.h> 30 31 #include <sound/da7219.h> 32 #include "da7219.h" 33 #include "da7219-aad.h" 34 35 36 /* 37 * TLVs and Enums 38 */ 39 40 /* Input TLVs */ 41 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0); 42 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0); 43 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0); 44 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0); 45 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0); 46 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0); 47 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0); 48 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0); 49 50 /* Output TLVs */ 51 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0); 52 53 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv, 54 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 55 /* -77.25dB to 12dB */ 56 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0) 57 ); 58 59 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0); 60 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0); 61 62 /* Input Enums */ 63 static const char * const da7219_alc_attack_rate_txt[] = { 64 "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs", 65 "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs", 66 "30024/fs" 67 }; 68 69 static const struct soc_enum da7219_alc_attack_rate = 70 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT, 71 DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt); 72 73 static const char * const da7219_alc_release_rate_txt[] = { 74 "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs", 75 "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs" 76 }; 77 78 static const struct soc_enum da7219_alc_release_rate = 79 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT, 80 DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt); 81 82 static const char * const da7219_alc_hold_time_txt[] = { 83 "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs", 84 "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs", 85 "253952/fs", "507904/fs", "1015808/fs", "2031616/fs" 86 }; 87 88 static const struct soc_enum da7219_alc_hold_time = 89 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT, 90 DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt); 91 92 static const char * const da7219_alc_env_rate_txt[] = { 93 "1/4", "1/16", "1/256", "1/65536" 94 }; 95 96 static const struct soc_enum da7219_alc_env_attack_rate = 97 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT, 98 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt); 99 100 static const struct soc_enum da7219_alc_env_release_rate = 101 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT, 102 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt); 103 104 static const char * const da7219_alc_anticlip_step_txt[] = { 105 "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs" 106 }; 107 108 static const struct soc_enum da7219_alc_anticlip_step = 109 SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL, 110 DA7219_ALC_ANTICLIP_STEP_SHIFT, 111 DA7219_ALC_ANTICLIP_STEP_MAX, 112 da7219_alc_anticlip_step_txt); 113 114 /* Input/Output Enums */ 115 static const char * const da7219_gain_ramp_rate_txt[] = { 116 "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8", 117 "Nominal Rate / 16" 118 }; 119 120 static const struct soc_enum da7219_gain_ramp_rate = 121 SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT, 122 DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt); 123 124 static const char * const da7219_hpf_mode_txt[] = { 125 "Disabled", "Audio", "Voice" 126 }; 127 128 static const unsigned int da7219_hpf_mode_val[] = { 129 DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN, 130 }; 131 132 static const struct soc_enum da7219_adc_hpf_mode = 133 SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT, 134 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX, 135 da7219_hpf_mode_txt, da7219_hpf_mode_val); 136 137 static const struct soc_enum da7219_dac_hpf_mode = 138 SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT, 139 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX, 140 da7219_hpf_mode_txt, da7219_hpf_mode_val); 141 142 static const char * const da7219_audio_hpf_corner_txt[] = { 143 "2Hz", "4Hz", "8Hz", "16Hz" 144 }; 145 146 static const struct soc_enum da7219_adc_audio_hpf_corner = 147 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1, 148 DA7219_ADC_AUDIO_HPF_CORNER_SHIFT, 149 DA7219_AUDIO_HPF_CORNER_MAX, 150 da7219_audio_hpf_corner_txt); 151 152 static const struct soc_enum da7219_dac_audio_hpf_corner = 153 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1, 154 DA7219_DAC_AUDIO_HPF_CORNER_SHIFT, 155 DA7219_AUDIO_HPF_CORNER_MAX, 156 da7219_audio_hpf_corner_txt); 157 158 static const char * const da7219_voice_hpf_corner_txt[] = { 159 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" 160 }; 161 162 static const struct soc_enum da7219_adc_voice_hpf_corner = 163 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1, 164 DA7219_ADC_VOICE_HPF_CORNER_SHIFT, 165 DA7219_VOICE_HPF_CORNER_MAX, 166 da7219_voice_hpf_corner_txt); 167 168 static const struct soc_enum da7219_dac_voice_hpf_corner = 169 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1, 170 DA7219_DAC_VOICE_HPF_CORNER_SHIFT, 171 DA7219_VOICE_HPF_CORNER_MAX, 172 da7219_voice_hpf_corner_txt); 173 174 static const char * const da7219_tonegen_dtmf_key_txt[] = { 175 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", 176 "*", "#" 177 }; 178 179 static const struct soc_enum da7219_tonegen_dtmf_key = 180 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT, 181 DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt); 182 183 static const char * const da7219_tonegen_swg_sel_txt[] = { 184 "Sum", "SWG1", "SWG2", "SWG1_1-Cos" 185 }; 186 187 static const struct soc_enum da7219_tonegen_swg_sel = 188 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT, 189 DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt); 190 191 /* Output Enums */ 192 static const char * const da7219_dac_softmute_rate_txt[] = { 193 "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples", 194 "32 Samples", "64 Samples" 195 }; 196 197 static const struct soc_enum da7219_dac_softmute_rate = 198 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT, 199 DA7219_DAC_SOFTMUTE_RATE_MAX, 200 da7219_dac_softmute_rate_txt); 201 202 static const char * const da7219_dac_ng_setup_time_txt[] = { 203 "256 Samples", "512 Samples", "1024 Samples", "2048 Samples" 204 }; 205 206 static const struct soc_enum da7219_dac_ng_setup_time = 207 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME, 208 DA7219_DAC_NG_SETUP_TIME_SHIFT, 209 DA7219_DAC_NG_SETUP_TIME_MAX, 210 da7219_dac_ng_setup_time_txt); 211 212 static const char * const da7219_dac_ng_rampup_txt[] = { 213 "0.22ms/dB", "0.0138ms/dB" 214 }; 215 216 static const struct soc_enum da7219_dac_ng_rampup_rate = 217 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME, 218 DA7219_DAC_NG_RAMPUP_RATE_SHIFT, 219 DA7219_DAC_NG_RAMP_RATE_MAX, 220 da7219_dac_ng_rampup_txt); 221 222 static const char * const da7219_dac_ng_rampdown_txt[] = { 223 "0.88ms/dB", "14.08ms/dB" 224 }; 225 226 static const struct soc_enum da7219_dac_ng_rampdown_rate = 227 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME, 228 DA7219_DAC_NG_RAMPDN_RATE_SHIFT, 229 DA7219_DAC_NG_RAMP_RATE_MAX, 230 da7219_dac_ng_rampdown_txt); 231 232 233 static const char * const da7219_cp_track_mode_txt[] = { 234 "Largest Volume", "DAC Volume", "Signal Magnitude" 235 }; 236 237 static const unsigned int da7219_cp_track_mode_val[] = { 238 DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL, 239 DA7219_CP_MCHANGE_SIG_MAG 240 }; 241 242 static const struct soc_enum da7219_cp_track_mode = 243 SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT, 244 DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX, 245 da7219_cp_track_mode_txt, 246 da7219_cp_track_mode_val); 247 248 249 /* 250 * Control Functions 251 */ 252 253 /* Locked Kcontrol calls */ 254 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol, 255 struct snd_ctl_elem_value *ucontrol) 256 { 257 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 258 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 259 int ret; 260 261 mutex_lock(&da7219->ctrl_lock); 262 ret = snd_soc_get_volsw(kcontrol, ucontrol); 263 mutex_unlock(&da7219->ctrl_lock); 264 265 return ret; 266 } 267 268 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol, 269 struct snd_ctl_elem_value *ucontrol) 270 { 271 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 272 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 273 int ret; 274 275 mutex_lock(&da7219->ctrl_lock); 276 ret = snd_soc_put_volsw(kcontrol, ucontrol); 277 mutex_unlock(&da7219->ctrl_lock); 278 279 return ret; 280 } 281 282 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol, 283 struct snd_ctl_elem_value *ucontrol) 284 { 285 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 286 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 287 int ret; 288 289 mutex_lock(&da7219->ctrl_lock); 290 ret = snd_soc_get_enum_double(kcontrol, ucontrol); 291 mutex_unlock(&da7219->ctrl_lock); 292 293 return ret; 294 } 295 296 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol, 297 struct snd_ctl_elem_value *ucontrol) 298 { 299 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 300 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 301 int ret; 302 303 mutex_lock(&da7219->ctrl_lock); 304 ret = snd_soc_put_enum_double(kcontrol, ucontrol); 305 mutex_unlock(&da7219->ctrl_lock); 306 307 return ret; 308 } 309 310 /* ALC */ 311 static void da7219_alc_calib(struct snd_soc_component *component) 312 { 313 u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl; 314 315 /* Save current state of mic control register */ 316 mic_ctrl = snd_soc_component_read32(component, DA7219_MIC_1_CTRL); 317 318 /* Save current state of input mixer control register */ 319 mixin_ctrl = snd_soc_component_read32(component, DA7219_MIXIN_L_CTRL); 320 321 /* Save current state of input ADC control register */ 322 adc_ctrl = snd_soc_component_read32(component, DA7219_ADC_L_CTRL); 323 324 /* Enable then Mute MIC PGAs */ 325 snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK, 326 DA7219_MIC_1_AMP_EN_MASK); 327 snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, 328 DA7219_MIC_1_AMP_MUTE_EN_MASK, 329 DA7219_MIC_1_AMP_MUTE_EN_MASK); 330 331 /* Enable input mixers unmuted */ 332 snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL, 333 DA7219_MIXIN_L_AMP_EN_MASK | 334 DA7219_MIXIN_L_AMP_MUTE_EN_MASK, 335 DA7219_MIXIN_L_AMP_EN_MASK); 336 337 /* Enable input filters unmuted */ 338 snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, 339 DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK, 340 DA7219_ADC_L_EN_MASK); 341 342 /* Perform auto calibration */ 343 snd_soc_component_update_bits(component, DA7219_ALC_CTRL1, 344 DA7219_ALC_AUTO_CALIB_EN_MASK, 345 DA7219_ALC_AUTO_CALIB_EN_MASK); 346 do { 347 calib_ctrl = snd_soc_component_read32(component, DA7219_ALC_CTRL1); 348 } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK); 349 350 /* If auto calibration fails, disable DC offset, hybrid ALC */ 351 if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) { 352 dev_warn(component->dev, 353 "ALC auto calibration failed with overflow\n"); 354 snd_soc_component_update_bits(component, DA7219_ALC_CTRL1, 355 DA7219_ALC_OFFSET_EN_MASK | 356 DA7219_ALC_SYNC_MODE_MASK, 0); 357 } else { 358 /* Enable DC offset cancellation, hybrid mode */ 359 snd_soc_component_update_bits(component, DA7219_ALC_CTRL1, 360 DA7219_ALC_OFFSET_EN_MASK | 361 DA7219_ALC_SYNC_MODE_MASK, 362 DA7219_ALC_OFFSET_EN_MASK | 363 DA7219_ALC_SYNC_MODE_MASK); 364 } 365 366 /* Restore input filter control register to original state */ 367 snd_soc_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl); 368 369 /* Restore input mixer control registers to original state */ 370 snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl); 371 372 /* Restore MIC control registers to original states */ 373 snd_soc_component_write(component, DA7219_MIC_1_CTRL, mic_ctrl); 374 } 375 376 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol, 377 struct snd_ctl_elem_value *ucontrol) 378 { 379 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 380 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 381 int ret; 382 383 ret = snd_soc_put_volsw(kcontrol, ucontrol); 384 385 /* 386 * If ALC in operation and value of control has been updated, 387 * make sure calibrated offsets are updated. 388 */ 389 if ((ret == 1) && (da7219->alc_en)) 390 da7219_alc_calib(component); 391 392 return ret; 393 } 394 395 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol, 396 struct snd_ctl_elem_value *ucontrol) 397 { 398 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 399 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 400 401 402 /* Force ALC offset calibration if enabling ALC */ 403 if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) { 404 da7219_alc_calib(component); 405 da7219->alc_en = true; 406 } else { 407 da7219->alc_en = false; 408 } 409 410 return snd_soc_put_volsw(kcontrol, ucontrol); 411 } 412 413 /* ToneGen */ 414 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol, 415 struct snd_ctl_elem_value *ucontrol) 416 { 417 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 418 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 419 struct soc_mixer_control *mixer_ctrl = 420 (struct soc_mixer_control *) kcontrol->private_value; 421 unsigned int reg = mixer_ctrl->reg; 422 __le16 val; 423 int ret; 424 425 mutex_lock(&da7219->ctrl_lock); 426 ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val)); 427 mutex_unlock(&da7219->ctrl_lock); 428 429 if (ret) 430 return ret; 431 432 /* 433 * Frequency value spans two 8-bit registers, lower then upper byte. 434 * Therefore we need to convert to host endianness here. 435 */ 436 ucontrol->value.integer.value[0] = le16_to_cpu(val); 437 438 return 0; 439 } 440 441 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol, 442 struct snd_ctl_elem_value *ucontrol) 443 { 444 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 445 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 446 struct soc_mixer_control *mixer_ctrl = 447 (struct soc_mixer_control *) kcontrol->private_value; 448 unsigned int reg = mixer_ctrl->reg; 449 __le16 val; 450 int ret; 451 452 /* 453 * Frequency value spans two 8-bit registers, lower then upper byte. 454 * Therefore we need to convert to little endian here to align with 455 * HW registers. 456 */ 457 val = cpu_to_le16(ucontrol->value.integer.value[0]); 458 459 mutex_lock(&da7219->ctrl_lock); 460 ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val)); 461 mutex_unlock(&da7219->ctrl_lock); 462 463 return ret; 464 } 465 466 467 /* 468 * KControls 469 */ 470 471 static const struct snd_kcontrol_new da7219_snd_controls[] = { 472 /* Mics */ 473 SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN, 474 DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX, 475 DA7219_NO_INVERT, da7219_mic_gain_tlv), 476 SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL, 477 DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 478 DA7219_INVERT), 479 480 /* Mixer Input */ 481 SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN, 482 DA7219_MIXIN_L_AMP_GAIN_SHIFT, 483 DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT, 484 snd_soc_get_volsw, da7219_mixin_gain_put, 485 da7219_mixin_gain_tlv), 486 SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL, 487 DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 488 DA7219_INVERT), 489 SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL, 490 DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX, 491 DA7219_NO_INVERT), 492 SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL, 493 DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX, 494 DA7219_NO_INVERT), 495 496 /* ADC */ 497 SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN, 498 DA7219_ADC_L_DIGITAL_GAIN_SHIFT, 499 DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT, 500 da7219_adc_dig_gain_tlv), 501 SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL, 502 DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 503 DA7219_INVERT), 504 SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL, 505 DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX, 506 DA7219_NO_INVERT), 507 508 /* ALC */ 509 SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate), 510 SOC_ENUM("ALC Release Rate", da7219_alc_release_rate), 511 SOC_ENUM("ALC Hold Time", da7219_alc_hold_time), 512 SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate), 513 SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate), 514 SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE, 515 DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX, 516 DA7219_INVERT, da7219_alc_threshold_tlv), 517 SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN, 518 DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX, 519 DA7219_INVERT, da7219_alc_threshold_tlv), 520 SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX, 521 DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX, 522 DA7219_INVERT, da7219_alc_threshold_tlv), 523 SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS, 524 DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX, 525 DA7219_NO_INVERT, da7219_alc_gain_tlv), 526 SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS, 527 DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX, 528 DA7219_NO_INVERT, da7219_alc_gain_tlv), 529 SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS, 530 DA7219_ALC_ANA_GAIN_MIN_SHIFT, 531 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX, 532 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv), 533 SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS, 534 DA7219_ALC_ANA_GAIN_MAX_SHIFT, 535 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX, 536 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv), 537 SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step), 538 SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL, 539 DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX, 540 DA7219_NO_INVERT), 541 SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT, 542 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT, 543 snd_soc_get_volsw, da7219_alc_sw_put), 544 545 /* Input High-Pass Filters */ 546 SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode), 547 SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner), 548 SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner), 549 550 /* Sidetone Filter */ 551 SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN, 552 DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX, 553 DA7219_NO_INVERT, da7219_sidetone_gain_tlv), 554 SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL, 555 DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 556 DA7219_INVERT), 557 558 /* Tone Generator */ 559 SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2, 560 DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX, 561 DA7219_NO_INVERT, da7219_volsw_locked_get, 562 da7219_volsw_locked_put, da7219_tonegen_gain_tlv), 563 SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key, 564 da7219_enum_locked_get, da7219_enum_locked_put), 565 SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1, 566 DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX, 567 DA7219_NO_INVERT, da7219_volsw_locked_get, 568 da7219_volsw_locked_put), 569 SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel, 570 da7219_enum_locked_get, da7219_enum_locked_put), 571 SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L, 572 DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT, 573 da7219_tonegen_freq_get, da7219_tonegen_freq_put), 574 SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L, 575 DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT, 576 da7219_tonegen_freq_get, da7219_tonegen_freq_put), 577 SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER, 578 DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX, 579 DA7219_NO_INVERT, da7219_volsw_locked_get, 580 da7219_volsw_locked_put), 581 SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER, 582 DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX, 583 DA7219_NO_INVERT), 584 585 /* Gain ramping */ 586 SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate), 587 588 /* DAC High-Pass Filter */ 589 SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode, 590 da7219_enum_locked_get, da7219_enum_locked_put), 591 SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner), 592 SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner), 593 594 /* DAC 5-Band Equaliser */ 595 SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2, 596 DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX, 597 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 598 SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2, 599 DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX, 600 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 601 SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3, 602 DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX, 603 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 604 SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3, 605 DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX, 606 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 607 SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4, 608 DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX, 609 DA7219_NO_INVERT, da7219_dac_eq_band_tlv), 610 SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4, 611 DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX, 612 DA7219_NO_INVERT, da7219_volsw_locked_get, 613 da7219_volsw_locked_put), 614 615 /* DAC Softmute */ 616 SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate), 617 SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5, 618 DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 619 DA7219_NO_INVERT, da7219_volsw_locked_get, 620 da7219_volsw_locked_put), 621 622 /* DAC Noise Gate */ 623 SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time), 624 SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate), 625 SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate), 626 SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH, 627 DA7219_DAC_NG_OFF_THRESHOLD_SHIFT, 628 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT, 629 da7219_dac_ng_threshold_tlv), 630 SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH, 631 DA7219_DAC_NG_ON_THRESHOLD_SHIFT, 632 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT, 633 da7219_dac_ng_threshold_tlv), 634 SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT, 635 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 636 637 /* DACs */ 638 SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN, 639 DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT, 640 DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT, 641 da7219_volsw_locked_get, da7219_volsw_locked_put, 642 da7219_dac_dig_gain_tlv), 643 SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL, 644 DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT, 645 DA7219_SWITCH_EN_MAX, DA7219_INVERT, 646 da7219_volsw_locked_get, da7219_volsw_locked_put), 647 SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL, 648 DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT, 649 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 650 651 /* CP */ 652 SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode), 653 SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1, 654 DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX, 655 DA7219_NO_INVERT), 656 657 /* Headphones */ 658 SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN, 659 DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT, 660 DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT, 661 da7219_volsw_locked_get, da7219_volsw_locked_put, 662 da7219_hp_gain_tlv), 663 SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL, 664 DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX, 665 DA7219_INVERT, da7219_volsw_locked_get, 666 da7219_volsw_locked_put), 667 SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL, 668 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT, 669 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 670 SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL, 671 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT, 672 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 673 }; 674 675 676 /* 677 * DAPM Mux Controls 678 */ 679 680 static const char * const da7219_out_sel_txt[] = { 681 "ADC", "Tone Generator", "DAIL", "DAIR" 682 }; 683 684 static const struct soc_enum da7219_out_dail_sel = 685 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI, 686 DA7219_DAI_L_SRC_SHIFT, 687 DA7219_OUT_SRC_MAX, 688 da7219_out_sel_txt); 689 690 static const struct snd_kcontrol_new da7219_out_dail_sel_mux = 691 SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel); 692 693 static const struct soc_enum da7219_out_dair_sel = 694 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI, 695 DA7219_DAI_R_SRC_SHIFT, 696 DA7219_OUT_SRC_MAX, 697 da7219_out_sel_txt); 698 699 static const struct snd_kcontrol_new da7219_out_dair_sel_mux = 700 SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel); 701 702 static const struct soc_enum da7219_out_dacl_sel = 703 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC, 704 DA7219_DAC_L_SRC_SHIFT, 705 DA7219_OUT_SRC_MAX, 706 da7219_out_sel_txt); 707 708 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux = 709 SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel); 710 711 static const struct soc_enum da7219_out_dacr_sel = 712 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC, 713 DA7219_DAC_R_SRC_SHIFT, 714 DA7219_OUT_SRC_MAX, 715 da7219_out_sel_txt); 716 717 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux = 718 SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel); 719 720 721 /* 722 * DAPM Mixer Controls 723 */ 724 725 static const struct snd_kcontrol_new da7219_mixin_controls[] = { 726 SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT, 727 DA7219_MIXIN_L_MIX_SELECT_SHIFT, 728 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 729 }; 730 731 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = { 732 SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT, 733 DA7219_MIXOUT_L_MIX_SELECT_SHIFT, 734 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 735 }; 736 737 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = { 738 SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT, 739 DA7219_MIXOUT_R_MIX_SELECT_SHIFT, 740 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), 741 }; 742 743 #define DA7219_DMIX_ST_CTRLS(reg) \ 744 SOC_DAPM_SINGLE("Out FilterL Switch", reg, \ 745 DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT, \ 746 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \ 747 SOC_DAPM_SINGLE("Out FilterR Switch", reg, \ 748 DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT, \ 749 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \ 750 SOC_DAPM_SINGLE("Sidetone Switch", reg, \ 751 DA7219_DMIX_ST_SRC_SIDETONE_SHIFT, \ 752 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT) \ 753 754 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = { 755 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L), 756 }; 757 758 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = { 759 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R), 760 }; 761 762 763 /* 764 * DAPM Events 765 */ 766 767 static int da7219_mic_pga_event(struct snd_soc_dapm_widget *w, 768 struct snd_kcontrol *kcontrol, int event) 769 { 770 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 771 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 772 773 switch (event) { 774 case SND_SOC_DAPM_POST_PMU: 775 if (da7219->micbias_on_event) { 776 /* 777 * Delay only for first capture after bias enabled to 778 * avoid possible DC offset related noise. 779 */ 780 da7219->micbias_on_event = false; 781 msleep(da7219->mic_pga_delay); 782 } 783 break; 784 default: 785 break; 786 } 787 788 return 0; 789 } 790 791 static int da7219_dai_event(struct snd_soc_dapm_widget *w, 792 struct snd_kcontrol *kcontrol, int event) 793 { 794 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 795 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 796 struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX]; 797 u8 pll_ctrl, pll_status; 798 int i = 0, ret; 799 bool srm_lock = false; 800 801 switch (event) { 802 case SND_SOC_DAPM_PRE_PMU: 803 if (da7219->master) { 804 /* Enable DAI clks for master mode */ 805 if (bclk) { 806 ret = clk_prepare_enable(bclk); 807 if (ret) { 808 dev_err(component->dev, 809 "Failed to enable DAI clks\n"); 810 return ret; 811 } 812 } else { 813 snd_soc_component_update_bits(component, 814 DA7219_DAI_CLK_MODE, 815 DA7219_DAI_CLK_EN_MASK, 816 DA7219_DAI_CLK_EN_MASK); 817 } 818 } 819 820 /* PC synchronised to DAI */ 821 snd_soc_component_update_bits(component, DA7219_PC_COUNT, 822 DA7219_PC_FREERUN_MASK, 0); 823 824 /* Slave mode, if SRM not enabled no need for status checks */ 825 pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL); 826 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM) 827 return 0; 828 829 /* Check SRM has locked */ 830 do { 831 pll_status = snd_soc_component_read32(component, DA7219_PLL_SRM_STS); 832 if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) { 833 srm_lock = true; 834 } else { 835 ++i; 836 msleep(50); 837 } 838 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock)); 839 840 if (!srm_lock) 841 dev_warn(component->dev, "SRM failed to lock\n"); 842 843 return 0; 844 case SND_SOC_DAPM_POST_PMD: 845 /* PC free-running */ 846 snd_soc_component_update_bits(component, DA7219_PC_COUNT, 847 DA7219_PC_FREERUN_MASK, 848 DA7219_PC_FREERUN_MASK); 849 850 /* Disable DAI clks if in master mode */ 851 if (da7219->master) { 852 if (bclk) 853 clk_disable_unprepare(bclk); 854 else 855 snd_soc_component_update_bits(component, 856 DA7219_DAI_CLK_MODE, 857 DA7219_DAI_CLK_EN_MASK, 858 0); 859 } 860 861 return 0; 862 default: 863 return -EINVAL; 864 } 865 } 866 867 static int da7219_settling_event(struct snd_soc_dapm_widget *w, 868 struct snd_kcontrol *kcontrol, int event) 869 { 870 switch (event) { 871 case SND_SOC_DAPM_POST_PMU: 872 case SND_SOC_DAPM_POST_PMD: 873 msleep(DA7219_SETTLING_DELAY); 874 break; 875 default: 876 break; 877 } 878 879 return 0; 880 } 881 882 static int da7219_mixout_event(struct snd_soc_dapm_widget *w, 883 struct snd_kcontrol *kcontrol, int event) 884 { 885 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 886 u8 hp_ctrl, min_gain_mask; 887 888 switch (w->reg) { 889 case DA7219_MIXOUT_L_CTRL: 890 hp_ctrl = DA7219_HP_L_CTRL; 891 min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK; 892 break; 893 case DA7219_MIXOUT_R_CTRL: 894 hp_ctrl = DA7219_HP_R_CTRL; 895 min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK; 896 break; 897 default: 898 return -EINVAL; 899 } 900 901 switch (event) { 902 case SND_SOC_DAPM_PRE_PMD: 903 /* Enable minimum gain on HP to avoid pops */ 904 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 905 min_gain_mask); 906 907 msleep(DA7219_MIN_GAIN_DELAY); 908 909 break; 910 case SND_SOC_DAPM_POST_PMU: 911 /* Remove minimum gain on HP */ 912 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0); 913 914 break; 915 } 916 917 return 0; 918 } 919 920 static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w, 921 struct snd_kcontrol *kcontrol, int event) 922 { 923 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 924 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 925 926 switch (event) { 927 case SND_SOC_DAPM_PRE_PMU: 928 case SND_SOC_DAPM_PRE_PMD: 929 /* Ensure nominal gain ramping for DAPM sequence */ 930 da7219->gain_ramp_ctrl = 931 snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL); 932 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, 933 DA7219_GAIN_RAMP_RATE_NOMINAL); 934 break; 935 case SND_SOC_DAPM_POST_PMU: 936 case SND_SOC_DAPM_POST_PMD: 937 /* Restore previous gain ramp settings */ 938 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, 939 da7219->gain_ramp_ctrl); 940 break; 941 } 942 943 return 0; 944 } 945 946 947 /* 948 * DAPM Widgets 949 */ 950 951 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = { 952 /* Input Supplies */ 953 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL, 954 DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT, 955 NULL, 0), 956 957 /* Inputs */ 958 SND_SOC_DAPM_INPUT("MIC"), 959 960 /* Input PGAs */ 961 SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL, 962 DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT, 963 NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU), 964 SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL, 965 DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 966 NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU), 967 968 /* Input Filters */ 969 SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT, 970 DA7219_NO_INVERT), 971 972 /* Tone Generator */ 973 SND_SOC_DAPM_SIGGEN("TONE"), 974 SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1, 975 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0), 976 977 /* Sidetone Input */ 978 SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL, 979 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT), 980 981 /* Input Mixer Supply */ 982 SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL, 983 DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT, 984 NULL, 0), 985 986 /* Input Mixer */ 987 SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0, 988 da7219_mixin_controls, 989 ARRAY_SIZE(da7219_mixin_controls)), 990 991 /* Input Muxes */ 992 SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0, 993 &da7219_out_dail_sel_mux), 994 SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0, 995 &da7219_out_dair_sel_mux), 996 997 /* DAI Supply */ 998 SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT, 999 DA7219_NO_INVERT, da7219_dai_event, 1000 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1001 1002 /* DAI */ 1003 SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL, 1004 DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT), 1005 SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0), 1006 1007 /* Output Muxes */ 1008 SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0, 1009 &da7219_out_dacl_sel_mux), 1010 SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0, 1011 &da7219_out_dacr_sel_mux), 1012 1013 /* Output Mixers */ 1014 SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0, 1015 da7219_mixout_l_controls, 1016 ARRAY_SIZE(da7219_mixout_l_controls)), 1017 SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0, 1018 da7219_mixout_r_controls, 1019 ARRAY_SIZE(da7219_mixout_r_controls)), 1020 1021 /* Sidetone Mixers */ 1022 SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0, 1023 da7219_st_out_filtl_mix_controls, 1024 ARRAY_SIZE(da7219_st_out_filtl_mix_controls)), 1025 SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0, 1026 0, da7219_st_out_filtr_mix_controls, 1027 ARRAY_SIZE(da7219_st_out_filtr_mix_controls)), 1028 1029 /* DACs */ 1030 SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL, 1031 DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT, 1032 da7219_settling_event, 1033 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 1034 SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL, 1035 DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT, 1036 da7219_settling_event, 1037 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 1038 1039 /* Output PGAs */ 1040 SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL, 1041 DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 1042 NULL, 0, da7219_mixout_event, 1043 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1044 SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL, 1045 DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT, 1046 NULL, 0, da7219_mixout_event, 1047 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 1048 SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL, 1049 DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, 1050 da7219_settling_event, 1051 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 1052 SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL, 1053 DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, 1054 da7219_settling_event, 1055 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 1056 1057 /* Output Supplies */ 1058 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL, 1059 DA7219_CP_EN_SHIFT, DA7219_NO_INVERT, 1060 da7219_settling_event, 1061 SND_SOC_DAPM_POST_PMU), 1062 1063 /* Outputs */ 1064 SND_SOC_DAPM_OUTPUT("HPL"), 1065 SND_SOC_DAPM_OUTPUT("HPR"), 1066 1067 /* Pre/Post Power */ 1068 SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event), 1069 SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event), 1070 }; 1071 1072 1073 /* 1074 * DAPM Mux Routes 1075 */ 1076 1077 #define DA7219_OUT_DAI_MUX_ROUTES(name) \ 1078 {name, "ADC", "Mixer In"}, \ 1079 {name, "Tone Generator", "Tone Generator"}, \ 1080 {name, "DAIL", "DAIOUT"}, \ 1081 {name, "DAIR", "DAIOUT"} 1082 1083 #define DA7219_OUT_DAC_MUX_ROUTES(name) \ 1084 {name, "ADC", "Mixer In"}, \ 1085 {name, "Tone Generator", "Tone Generator"}, \ 1086 {name, "DAIL", "DAIIN"}, \ 1087 {name, "DAIR", "DAIIN"} 1088 1089 /* 1090 * DAPM Mixer Routes 1091 */ 1092 1093 #define DA7219_DMIX_ST_ROUTES(name) \ 1094 {name, "Out FilterL Switch", "Mixer Out FilterL"}, \ 1095 {name, "Out FilterR Switch", "Mixer Out FilterR"}, \ 1096 {name, "Sidetone Switch", "Sidetone Filter"} 1097 1098 1099 /* 1100 * DAPM audio route definition 1101 */ 1102 1103 static const struct snd_soc_dapm_route da7219_audio_map[] = { 1104 /* Input paths */ 1105 {"MIC", NULL, "Mic Bias"}, 1106 {"Mic PGA", NULL, "MIC"}, 1107 {"Mixin PGA", NULL, "Mic PGA"}, 1108 {"ADC", NULL, "Mixin PGA"}, 1109 1110 {"Mixer In", NULL, "Mixer In Supply"}, 1111 {"Mixer In", "Mic Switch", "ADC"}, 1112 1113 {"Sidetone Filter", NULL, "Mixer In"}, 1114 1115 {"Tone Generator", NULL, "TONE"}, 1116 1117 DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"), 1118 DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"), 1119 1120 {"DAIOUT", NULL, "Out DAIL Mux"}, 1121 {"DAIOUT", NULL, "Out DAIR Mux"}, 1122 {"DAIOUT", NULL, "DAI"}, 1123 1124 /* Output paths */ 1125 {"DAIIN", NULL, "DAI"}, 1126 1127 DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"), 1128 DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"), 1129 1130 {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"}, 1131 {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"}, 1132 1133 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"), 1134 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"), 1135 1136 {"DACL", NULL, "ST Mixer Out FilterL"}, 1137 {"DACR", NULL, "ST Mixer Out FilterR"}, 1138 1139 {"Mixout Left PGA", NULL, "DACL"}, 1140 {"Mixout Right PGA", NULL, "DACR"}, 1141 1142 {"HPL", NULL, "Mixout Left PGA"}, 1143 {"HPR", NULL, "Mixout Right PGA"}, 1144 1145 {"HPL", NULL, "Headphone Left PGA"}, 1146 {"HPR", NULL, "Headphone Right PGA"}, 1147 1148 {"HPL", NULL, "Charge Pump"}, 1149 {"HPR", NULL, "Charge Pump"}, 1150 }; 1151 1152 1153 /* 1154 * DAI operations 1155 */ 1156 1157 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1158 int clk_id, unsigned int freq, int dir) 1159 { 1160 struct snd_soc_component *component = codec_dai->component; 1161 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1162 int ret = 0; 1163 1164 if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq)) 1165 return 0; 1166 1167 if ((freq < 2000000) || (freq > 54000000)) { 1168 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n", 1169 freq); 1170 return -EINVAL; 1171 } 1172 1173 mutex_lock(&da7219->pll_lock); 1174 1175 switch (clk_id) { 1176 case DA7219_CLKSRC_MCLK_SQR: 1177 snd_soc_component_update_bits(component, DA7219_PLL_CTRL, 1178 DA7219_PLL_MCLK_SQR_EN_MASK, 1179 DA7219_PLL_MCLK_SQR_EN_MASK); 1180 break; 1181 case DA7219_CLKSRC_MCLK: 1182 snd_soc_component_update_bits(component, DA7219_PLL_CTRL, 1183 DA7219_PLL_MCLK_SQR_EN_MASK, 0); 1184 break; 1185 default: 1186 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id); 1187 mutex_unlock(&da7219->pll_lock); 1188 return -EINVAL; 1189 } 1190 1191 da7219->clk_src = clk_id; 1192 1193 if (da7219->mclk) { 1194 freq = clk_round_rate(da7219->mclk, freq); 1195 ret = clk_set_rate(da7219->mclk, freq); 1196 if (ret) { 1197 dev_err(codec_dai->dev, "Failed to set clock rate %d\n", 1198 freq); 1199 mutex_unlock(&da7219->pll_lock); 1200 return ret; 1201 } 1202 } 1203 1204 da7219->mclk_rate = freq; 1205 1206 mutex_unlock(&da7219->pll_lock); 1207 1208 return 0; 1209 } 1210 1211 int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout) 1212 { 1213 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1214 1215 u8 pll_ctrl, indiv_bits, indiv; 1216 u8 pll_frac_top, pll_frac_bot, pll_integer; 1217 u32 freq_ref; 1218 u64 frac_div; 1219 1220 /* Verify 2MHz - 54MHz MCLK provided, and set input divider */ 1221 if (da7219->mclk_rate < 2000000) { 1222 dev_err(component->dev, "PLL input clock %d below valid range\n", 1223 da7219->mclk_rate); 1224 return -EINVAL; 1225 } else if (da7219->mclk_rate <= 4500000) { 1226 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ; 1227 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL; 1228 } else if (da7219->mclk_rate <= 9000000) { 1229 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ; 1230 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL; 1231 } else if (da7219->mclk_rate <= 18000000) { 1232 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ; 1233 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL; 1234 } else if (da7219->mclk_rate <= 36000000) { 1235 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ; 1236 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL; 1237 } else if (da7219->mclk_rate <= 54000000) { 1238 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ; 1239 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL; 1240 } else { 1241 dev_err(component->dev, "PLL input clock %d above valid range\n", 1242 da7219->mclk_rate); 1243 return -EINVAL; 1244 } 1245 freq_ref = (da7219->mclk_rate / indiv); 1246 pll_ctrl = indiv_bits; 1247 1248 /* Configure PLL */ 1249 switch (source) { 1250 case DA7219_SYSCLK_MCLK: 1251 pll_ctrl |= DA7219_PLL_MODE_BYPASS; 1252 snd_soc_component_update_bits(component, DA7219_PLL_CTRL, 1253 DA7219_PLL_INDIV_MASK | 1254 DA7219_PLL_MODE_MASK, pll_ctrl); 1255 return 0; 1256 case DA7219_SYSCLK_PLL: 1257 pll_ctrl |= DA7219_PLL_MODE_NORMAL; 1258 break; 1259 case DA7219_SYSCLK_PLL_SRM: 1260 pll_ctrl |= DA7219_PLL_MODE_SRM; 1261 break; 1262 default: 1263 dev_err(component->dev, "Invalid PLL config\n"); 1264 return -EINVAL; 1265 } 1266 1267 /* Calculate dividers for PLL */ 1268 pll_integer = fout / freq_ref; 1269 frac_div = (u64)(fout % freq_ref) * 8192ULL; 1270 do_div(frac_div, freq_ref); 1271 pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK; 1272 pll_frac_bot = (frac_div) & DA7219_BYTE_MASK; 1273 1274 /* Write PLL config & dividers */ 1275 snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top); 1276 snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot); 1277 snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer); 1278 snd_soc_component_update_bits(component, DA7219_PLL_CTRL, 1279 DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK, 1280 pll_ctrl); 1281 1282 return 0; 1283 } 1284 1285 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, 1286 int source, unsigned int fref, unsigned int fout) 1287 { 1288 struct snd_soc_component *component = codec_dai->component; 1289 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1290 int ret; 1291 1292 mutex_lock(&da7219->pll_lock); 1293 ret = da7219_set_pll(component, source, fout); 1294 mutex_unlock(&da7219->pll_lock); 1295 1296 return ret; 1297 } 1298 1299 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 1300 { 1301 struct snd_soc_component *component = codec_dai->component; 1302 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1303 u8 dai_clk_mode = 0, dai_ctrl = 0; 1304 1305 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1306 case SND_SOC_DAIFMT_CBM_CFM: 1307 da7219->master = true; 1308 break; 1309 case SND_SOC_DAIFMT_CBS_CFS: 1310 da7219->master = false; 1311 break; 1312 default: 1313 return -EINVAL; 1314 } 1315 1316 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1317 case SND_SOC_DAIFMT_I2S: 1318 case SND_SOC_DAIFMT_LEFT_J: 1319 case SND_SOC_DAIFMT_RIGHT_J: 1320 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1321 case SND_SOC_DAIFMT_NB_NF: 1322 break; 1323 case SND_SOC_DAIFMT_NB_IF: 1324 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; 1325 break; 1326 case SND_SOC_DAIFMT_IB_NF: 1327 dai_clk_mode |= DA7219_DAI_CLK_POL_INV; 1328 break; 1329 case SND_SOC_DAIFMT_IB_IF: 1330 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | 1331 DA7219_DAI_CLK_POL_INV; 1332 break; 1333 default: 1334 return -EINVAL; 1335 } 1336 break; 1337 case SND_SOC_DAIFMT_DSP_B: 1338 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1339 case SND_SOC_DAIFMT_NB_NF: 1340 dai_clk_mode |= DA7219_DAI_CLK_POL_INV; 1341 break; 1342 case SND_SOC_DAIFMT_NB_IF: 1343 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV | 1344 DA7219_DAI_CLK_POL_INV; 1345 break; 1346 case SND_SOC_DAIFMT_IB_NF: 1347 break; 1348 case SND_SOC_DAIFMT_IB_IF: 1349 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV; 1350 break; 1351 default: 1352 return -EINVAL; 1353 } 1354 break; 1355 default: 1356 return -EINVAL; 1357 } 1358 1359 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1360 case SND_SOC_DAIFMT_I2S: 1361 dai_ctrl |= DA7219_DAI_FORMAT_I2S; 1362 break; 1363 case SND_SOC_DAIFMT_LEFT_J: 1364 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J; 1365 break; 1366 case SND_SOC_DAIFMT_RIGHT_J: 1367 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J; 1368 break; 1369 case SND_SOC_DAIFMT_DSP_B: 1370 dai_ctrl |= DA7219_DAI_FORMAT_DSP; 1371 break; 1372 default: 1373 return -EINVAL; 1374 } 1375 1376 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, 1377 DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK, 1378 dai_clk_mode); 1379 snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK, 1380 dai_ctrl); 1381 1382 return 0; 1383 } 1384 1385 static int da7219_set_bclks_per_wclk(struct snd_soc_component *component, 1386 unsigned long factor) 1387 { 1388 u8 bclks_per_wclk; 1389 1390 switch (factor) { 1391 case 32: 1392 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32; 1393 break; 1394 case 64: 1395 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64; 1396 break; 1397 case 128: 1398 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128; 1399 break; 1400 case 256: 1401 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256; 1402 break; 1403 default: 1404 return -EINVAL; 1405 } 1406 1407 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, 1408 DA7219_DAI_BCLKS_PER_WCLK_MASK, 1409 bclks_per_wclk); 1410 1411 return 0; 1412 } 1413 1414 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai, 1415 unsigned int tx_mask, unsigned int rx_mask, 1416 int slots, int slot_width) 1417 { 1418 struct snd_soc_component *component = dai->component; 1419 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1420 struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX]; 1421 struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX]; 1422 unsigned int ch_mask; 1423 unsigned long sr, bclk_rate; 1424 u8 slot_offset; 1425 u16 offset; 1426 __le16 dai_offset; 1427 u32 frame_size; 1428 int ret; 1429 1430 /* No channels enabled so disable TDM */ 1431 if (!tx_mask) { 1432 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL, 1433 DA7219_DAI_TDM_CH_EN_MASK | 1434 DA7219_DAI_TDM_MODE_EN_MASK, 0); 1435 da7219->tdm_en = false; 1436 return 0; 1437 } 1438 1439 /* Check we have valid slots */ 1440 slot_offset = ffs(tx_mask) - 1; 1441 ch_mask = (tx_mask >> slot_offset); 1442 if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) { 1443 dev_err(component->dev, 1444 "Invalid number of slots, max = %d\n", 1445 DA7219_DAI_TDM_MAX_SLOTS); 1446 return -EINVAL; 1447 } 1448 1449 /* 1450 * Ensure we have a valid offset into the frame, based on slot width 1451 * and slot offset of first slot we're interested in. 1452 */ 1453 offset = slot_offset * slot_width; 1454 if (offset > DA7219_DAI_OFFSET_MAX) { 1455 dev_err(component->dev, "Invalid frame offset %d\n", offset); 1456 return -EINVAL; 1457 } 1458 1459 /* 1460 * If we're master, calculate & validate frame size based on slot info 1461 * provided as we have a limited set of rates available. 1462 */ 1463 if (da7219->master) { 1464 frame_size = slots * slot_width; 1465 1466 if (bclk) { 1467 sr = clk_get_rate(wclk); 1468 bclk_rate = sr * frame_size; 1469 ret = clk_set_rate(bclk, bclk_rate); 1470 if (ret) { 1471 dev_err(component->dev, 1472 "Failed to set TDM BCLK rate %lu: %d\n", 1473 bclk_rate, ret); 1474 return ret; 1475 } 1476 } else { 1477 ret = da7219_set_bclks_per_wclk(component, frame_size); 1478 if (ret) { 1479 dev_err(component->dev, 1480 "Failed to set TDM BCLKs per WCLK %d: %d\n", 1481 frame_size, ret); 1482 return ret; 1483 } 1484 } 1485 } 1486 1487 dai_offset = cpu_to_le16(offset); 1488 regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER, 1489 &dai_offset, sizeof(dai_offset)); 1490 1491 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL, 1492 DA7219_DAI_TDM_CH_EN_MASK | 1493 DA7219_DAI_TDM_MODE_EN_MASK, 1494 (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) | 1495 DA7219_DAI_TDM_MODE_EN_MASK); 1496 1497 da7219->tdm_en = true; 1498 1499 return 0; 1500 } 1501 1502 static int da7219_set_sr(struct snd_soc_component *component, 1503 unsigned long rate) 1504 { 1505 u8 fs; 1506 1507 switch (rate) { 1508 case 8000: 1509 fs = DA7219_SR_8000; 1510 break; 1511 case 11025: 1512 fs = DA7219_SR_11025; 1513 break; 1514 case 12000: 1515 fs = DA7219_SR_12000; 1516 break; 1517 case 16000: 1518 fs = DA7219_SR_16000; 1519 break; 1520 case 22050: 1521 fs = DA7219_SR_22050; 1522 break; 1523 case 24000: 1524 fs = DA7219_SR_24000; 1525 break; 1526 case 32000: 1527 fs = DA7219_SR_32000; 1528 break; 1529 case 44100: 1530 fs = DA7219_SR_44100; 1531 break; 1532 case 48000: 1533 fs = DA7219_SR_48000; 1534 break; 1535 case 88200: 1536 fs = DA7219_SR_88200; 1537 break; 1538 case 96000: 1539 fs = DA7219_SR_96000; 1540 break; 1541 default: 1542 return -EINVAL; 1543 } 1544 1545 snd_soc_component_write(component, DA7219_SR, fs); 1546 1547 return 0; 1548 } 1549 1550 static int da7219_hw_params(struct snd_pcm_substream *substream, 1551 struct snd_pcm_hw_params *params, 1552 struct snd_soc_dai *dai) 1553 { 1554 struct snd_soc_component *component = dai->component; 1555 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1556 struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX]; 1557 struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX]; 1558 u8 dai_ctrl = 0; 1559 unsigned int channels; 1560 unsigned long sr, bclk_rate; 1561 int word_len = params_width(params); 1562 int frame_size, ret; 1563 1564 switch (word_len) { 1565 case 16: 1566 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE; 1567 break; 1568 case 20: 1569 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE; 1570 break; 1571 case 24: 1572 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE; 1573 break; 1574 case 32: 1575 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE; 1576 break; 1577 default: 1578 return -EINVAL; 1579 } 1580 1581 channels = params_channels(params); 1582 if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) { 1583 dev_err(component->dev, 1584 "Invalid number of channels, only 1 to %d supported\n", 1585 DA7219_DAI_CH_NUM_MAX); 1586 return -EINVAL; 1587 } 1588 dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT; 1589 1590 sr = params_rate(params); 1591 if (da7219->master && wclk) { 1592 ret = clk_set_rate(wclk, sr); 1593 if (ret) { 1594 dev_err(component->dev, 1595 "Failed to set WCLK SR %lu: %d\n", sr, ret); 1596 return ret; 1597 } 1598 } else { 1599 ret = da7219_set_sr(component, sr); 1600 if (ret) { 1601 dev_err(component->dev, 1602 "Failed to set SR %lu: %d\n", sr, ret); 1603 return ret; 1604 } 1605 } 1606 1607 /* 1608 * If we're master, then we have a limited set of BCLK rates we 1609 * support. For slave mode this isn't the case and the codec can detect 1610 * the BCLK rate automatically. 1611 */ 1612 if (da7219->master && !da7219->tdm_en) { 1613 if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32) 1614 frame_size = 32; 1615 else 1616 frame_size = 64; 1617 1618 if (bclk) { 1619 bclk_rate = frame_size * sr; 1620 /* 1621 * Rounding the rate here avoids failure trying to set a 1622 * new rate on an already enabled bclk. In that 1623 * instance this will just set the same rate as is 1624 * currently in use, and so should continue without 1625 * problem, as long as the BCLK rate is suitable for the 1626 * desired frame size. 1627 */ 1628 bclk_rate = clk_round_rate(bclk, bclk_rate); 1629 if ((bclk_rate / sr) < frame_size) { 1630 dev_err(component->dev, 1631 "BCLK rate mismatch against frame size"); 1632 return -EINVAL; 1633 } 1634 1635 ret = clk_set_rate(bclk, bclk_rate); 1636 if (ret) { 1637 dev_err(component->dev, 1638 "Failed to set BCLK rate %lu: %d\n", 1639 bclk_rate, ret); 1640 return ret; 1641 } 1642 } else { 1643 ret = da7219_set_bclks_per_wclk(component, frame_size); 1644 if (ret) { 1645 dev_err(component->dev, 1646 "Failed to set BCLKs per WCLK %d: %d\n", 1647 frame_size, ret); 1648 return ret; 1649 } 1650 } 1651 } 1652 1653 snd_soc_component_update_bits(component, DA7219_DAI_CTRL, 1654 DA7219_DAI_WORD_LENGTH_MASK | 1655 DA7219_DAI_CH_NUM_MASK, 1656 dai_ctrl); 1657 1658 return 0; 1659 } 1660 1661 static const struct snd_soc_dai_ops da7219_dai_ops = { 1662 .hw_params = da7219_hw_params, 1663 .set_sysclk = da7219_set_dai_sysclk, 1664 .set_pll = da7219_set_dai_pll, 1665 .set_fmt = da7219_set_dai_fmt, 1666 .set_tdm_slot = da7219_set_dai_tdm_slot, 1667 }; 1668 1669 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1670 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 1671 1672 #define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ 1673 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ 1674 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 1675 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ 1676 SNDRV_PCM_RATE_96000) 1677 1678 static struct snd_soc_dai_driver da7219_dai = { 1679 .name = "da7219-hifi", 1680 .playback = { 1681 .stream_name = "Playback", 1682 .channels_min = 1, 1683 .channels_max = DA7219_DAI_CH_NUM_MAX, 1684 .rates = DA7219_RATES, 1685 .formats = DA7219_FORMATS, 1686 }, 1687 .capture = { 1688 .stream_name = "Capture", 1689 .channels_min = 1, 1690 .channels_max = DA7219_DAI_CH_NUM_MAX, 1691 .rates = DA7219_RATES, 1692 .formats = DA7219_FORMATS, 1693 }, 1694 .ops = &da7219_dai_ops, 1695 .symmetric_rates = 1, 1696 .symmetric_channels = 1, 1697 .symmetric_samplebits = 1, 1698 }; 1699 1700 1701 /* 1702 * DT/ACPI 1703 */ 1704 1705 static const struct of_device_id da7219_of_match[] = { 1706 { .compatible = "dlg,da7219", }, 1707 { } 1708 }; 1709 MODULE_DEVICE_TABLE(of, da7219_of_match); 1710 1711 static const struct acpi_device_id da7219_acpi_match[] = { 1712 { .id = "DLGS7219", }, 1713 { } 1714 }; 1715 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match); 1716 1717 static enum da7219_micbias_voltage 1718 da7219_fw_micbias_lvl(struct device *dev, u32 val) 1719 { 1720 switch (val) { 1721 case 1600: 1722 return DA7219_MICBIAS_1_6V; 1723 case 1800: 1724 return DA7219_MICBIAS_1_8V; 1725 case 2000: 1726 return DA7219_MICBIAS_2_0V; 1727 case 2200: 1728 return DA7219_MICBIAS_2_2V; 1729 case 2400: 1730 return DA7219_MICBIAS_2_4V; 1731 case 2600: 1732 return DA7219_MICBIAS_2_6V; 1733 default: 1734 dev_warn(dev, "Invalid micbias level"); 1735 return DA7219_MICBIAS_2_2V; 1736 } 1737 } 1738 1739 static enum da7219_mic_amp_in_sel 1740 da7219_fw_mic_amp_in_sel(struct device *dev, const char *str) 1741 { 1742 if (!strcmp(str, "diff")) { 1743 return DA7219_MIC_AMP_IN_SEL_DIFF; 1744 } else if (!strcmp(str, "se_p")) { 1745 return DA7219_MIC_AMP_IN_SEL_SE_P; 1746 } else if (!strcmp(str, "se_n")) { 1747 return DA7219_MIC_AMP_IN_SEL_SE_N; 1748 } else { 1749 dev_warn(dev, "Invalid mic input type selection"); 1750 return DA7219_MIC_AMP_IN_SEL_DIFF; 1751 } 1752 } 1753 1754 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component) 1755 { 1756 struct device *dev = component->dev; 1757 struct da7219_pdata *pdata; 1758 const char *of_str; 1759 u32 of_val32; 1760 1761 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); 1762 if (!pdata) 1763 return NULL; 1764 1765 pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source"); 1766 1767 pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk"; 1768 pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk"; 1769 if (device_property_read_string_array(dev, "clock-output-names", 1770 pdata->dai_clk_names, 1771 DA7219_DAI_NUM_CLKS) < 0) 1772 dev_warn(dev, "Using default DAI clk names: %s, %s\n", 1773 pdata->dai_clk_names[DA7219_DAI_WCLK_IDX], 1774 pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]); 1775 1776 if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0) 1777 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32); 1778 else 1779 pdata->micbias_lvl = DA7219_MICBIAS_2_2V; 1780 1781 if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str)) 1782 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str); 1783 else 1784 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF; 1785 1786 return pdata; 1787 } 1788 1789 1790 /* 1791 * Codec driver functions 1792 */ 1793 1794 static int da7219_set_bias_level(struct snd_soc_component *component, 1795 enum snd_soc_bias_level level) 1796 { 1797 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1798 int ret; 1799 1800 switch (level) { 1801 case SND_SOC_BIAS_ON: 1802 break; 1803 case SND_SOC_BIAS_PREPARE: 1804 /* Enable MCLK for transition to ON state */ 1805 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) { 1806 if (da7219->mclk) { 1807 ret = clk_prepare_enable(da7219->mclk); 1808 if (ret) { 1809 dev_err(component->dev, 1810 "Failed to enable mclk\n"); 1811 return ret; 1812 } 1813 } 1814 } 1815 1816 break; 1817 case SND_SOC_BIAS_STANDBY: 1818 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) 1819 /* Master bias */ 1820 snd_soc_component_update_bits(component, DA7219_REFERENCES, 1821 DA7219_BIAS_EN_MASK, 1822 DA7219_BIAS_EN_MASK); 1823 1824 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) { 1825 /* Remove MCLK */ 1826 if (da7219->mclk) 1827 clk_disable_unprepare(da7219->mclk); 1828 } 1829 break; 1830 case SND_SOC_BIAS_OFF: 1831 /* Only disable master bias if we're not a wake-up source */ 1832 if (!da7219->wakeup_source) 1833 snd_soc_component_update_bits(component, DA7219_REFERENCES, 1834 DA7219_BIAS_EN_MASK, 0); 1835 1836 break; 1837 } 1838 1839 return 0; 1840 } 1841 1842 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = { 1843 [DA7219_SUPPLY_VDD] = "VDD", 1844 [DA7219_SUPPLY_VDDMIC] = "VDDMIC", 1845 [DA7219_SUPPLY_VDDIO] = "VDDIO", 1846 }; 1847 1848 static int da7219_handle_supplies(struct snd_soc_component *component) 1849 { 1850 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 1851 struct regulator *vddio; 1852 u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V; 1853 int i, ret; 1854 1855 /* Get required supplies */ 1856 for (i = 0; i < DA7219_NUM_SUPPLIES; ++i) 1857 da7219->supplies[i].supply = da7219_supply_names[i]; 1858 1859 ret = devm_regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES, 1860 da7219->supplies); 1861 if (ret) { 1862 dev_err(component->dev, "Failed to get supplies"); 1863 return ret; 1864 } 1865 1866 /* Determine VDDIO voltage provided */ 1867 vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer; 1868 ret = regulator_get_voltage(vddio); 1869 if (ret < 1200000) 1870 dev_warn(component->dev, "Invalid VDDIO voltage\n"); 1871 else if (ret < 2800000) 1872 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V; 1873 1874 /* Enable main supplies */ 1875 ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies); 1876 if (ret) { 1877 dev_err(component->dev, "Failed to enable supplies"); 1878 return ret; 1879 } 1880 1881 /* Ensure device in active mode */ 1882 snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK); 1883 1884 /* Update IO voltage level range */ 1885 snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl); 1886 1887 return 0; 1888 } 1889 1890 #ifdef CONFIG_COMMON_CLK 1891 static int da7219_wclk_prepare(struct clk_hw *hw) 1892 { 1893 struct da7219_priv *da7219 = 1894 container_of(hw, struct da7219_priv, 1895 dai_clks_hw[DA7219_DAI_WCLK_IDX]); 1896 struct snd_soc_component *component = da7219->component; 1897 1898 if (!da7219->master) 1899 return -EINVAL; 1900 1901 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, 1902 DA7219_DAI_CLK_EN_MASK, 1903 DA7219_DAI_CLK_EN_MASK); 1904 1905 return 0; 1906 } 1907 1908 static void da7219_wclk_unprepare(struct clk_hw *hw) 1909 { 1910 struct da7219_priv *da7219 = 1911 container_of(hw, struct da7219_priv, 1912 dai_clks_hw[DA7219_DAI_WCLK_IDX]); 1913 struct snd_soc_component *component = da7219->component; 1914 1915 if (!da7219->master) 1916 return; 1917 1918 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE, 1919 DA7219_DAI_CLK_EN_MASK, 0); 1920 } 1921 1922 static int da7219_wclk_is_prepared(struct clk_hw *hw) 1923 { 1924 struct da7219_priv *da7219 = 1925 container_of(hw, struct da7219_priv, 1926 dai_clks_hw[DA7219_DAI_WCLK_IDX]); 1927 struct snd_soc_component *component = da7219->component; 1928 u8 clk_reg; 1929 1930 if (!da7219->master) 1931 return -EINVAL; 1932 1933 clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE); 1934 1935 return !!(clk_reg & DA7219_DAI_CLK_EN_MASK); 1936 } 1937 1938 static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw, 1939 unsigned long parent_rate) 1940 { 1941 struct da7219_priv *da7219 = 1942 container_of(hw, struct da7219_priv, 1943 dai_clks_hw[DA7219_DAI_WCLK_IDX]); 1944 struct snd_soc_component *component = da7219->component; 1945 u8 fs = snd_soc_component_read32(component, DA7219_SR); 1946 1947 switch (fs & DA7219_SR_MASK) { 1948 case DA7219_SR_8000: 1949 return 8000; 1950 case DA7219_SR_11025: 1951 return 11025; 1952 case DA7219_SR_12000: 1953 return 12000; 1954 case DA7219_SR_16000: 1955 return 16000; 1956 case DA7219_SR_22050: 1957 return 22050; 1958 case DA7219_SR_24000: 1959 return 24000; 1960 case DA7219_SR_32000: 1961 return 32000; 1962 case DA7219_SR_44100: 1963 return 44100; 1964 case DA7219_SR_48000: 1965 return 48000; 1966 case DA7219_SR_88200: 1967 return 88200; 1968 case DA7219_SR_96000: 1969 return 96000; 1970 default: 1971 return 0; 1972 } 1973 } 1974 1975 static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate, 1976 unsigned long *parent_rate) 1977 { 1978 struct da7219_priv *da7219 = 1979 container_of(hw, struct da7219_priv, 1980 dai_clks_hw[DA7219_DAI_WCLK_IDX]); 1981 1982 if (!da7219->master) 1983 return -EINVAL; 1984 1985 if (rate < 11025) 1986 return 8000; 1987 else if (rate < 12000) 1988 return 11025; 1989 else if (rate < 16000) 1990 return 12000; 1991 else if (rate < 22050) 1992 return 16000; 1993 else if (rate < 24000) 1994 return 22050; 1995 else if (rate < 32000) 1996 return 24000; 1997 else if (rate < 44100) 1998 return 32000; 1999 else if (rate < 48000) 2000 return 44100; 2001 else if (rate < 88200) 2002 return 48000; 2003 else if (rate < 96000) 2004 return 88200; 2005 else 2006 return 96000; 2007 } 2008 2009 static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate, 2010 unsigned long parent_rate) 2011 { 2012 struct da7219_priv *da7219 = 2013 container_of(hw, struct da7219_priv, 2014 dai_clks_hw[DA7219_DAI_WCLK_IDX]); 2015 struct snd_soc_component *component = da7219->component; 2016 2017 if (!da7219->master) 2018 return -EINVAL; 2019 2020 return da7219_set_sr(component, rate); 2021 } 2022 2023 static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw, 2024 unsigned long parent_rate) 2025 { 2026 struct da7219_priv *da7219 = 2027 container_of(hw, struct da7219_priv, 2028 dai_clks_hw[DA7219_DAI_BCLK_IDX]); 2029 struct snd_soc_component *component = da7219->component; 2030 u8 bclks_per_wclk = snd_soc_component_read32(component, 2031 DA7219_DAI_CLK_MODE); 2032 2033 switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) { 2034 case DA7219_DAI_BCLKS_PER_WCLK_32: 2035 return parent_rate * 32; 2036 case DA7219_DAI_BCLKS_PER_WCLK_64: 2037 return parent_rate * 64; 2038 case DA7219_DAI_BCLKS_PER_WCLK_128: 2039 return parent_rate * 128; 2040 case DA7219_DAI_BCLKS_PER_WCLK_256: 2041 return parent_rate * 256; 2042 default: 2043 return 0; 2044 } 2045 } 2046 2047 static unsigned long da7219_bclk_get_factor(unsigned long rate, 2048 unsigned long parent_rate) 2049 { 2050 unsigned long factor; 2051 2052 factor = rate / parent_rate; 2053 if (factor < 64) 2054 return 32; 2055 else if (factor < 128) 2056 return 64; 2057 else if (factor < 256) 2058 return 128; 2059 else 2060 return 256; 2061 } 2062 2063 static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate, 2064 unsigned long *parent_rate) 2065 { 2066 struct da7219_priv *da7219 = 2067 container_of(hw, struct da7219_priv, 2068 dai_clks_hw[DA7219_DAI_BCLK_IDX]); 2069 unsigned long factor; 2070 2071 if (!*parent_rate || !da7219->master) 2072 return -EINVAL; 2073 2074 /* 2075 * We don't allow changing the parent rate as some BCLK rates can be 2076 * derived from multiple parent WCLK rates (BCLK rates are set as a 2077 * multiplier of WCLK in HW). We just do some rounding down based on the 2078 * parent WCLK rate set and find the appropriate multiplier of BCLK to 2079 * get the rounded down BCLK value. 2080 */ 2081 factor = da7219_bclk_get_factor(rate, *parent_rate); 2082 2083 return *parent_rate * factor; 2084 } 2085 2086 static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate, 2087 unsigned long parent_rate) 2088 { 2089 struct da7219_priv *da7219 = 2090 container_of(hw, struct da7219_priv, 2091 dai_clks_hw[DA7219_DAI_BCLK_IDX]); 2092 struct snd_soc_component *component = da7219->component; 2093 unsigned long factor; 2094 2095 if (!da7219->master) 2096 return -EINVAL; 2097 2098 factor = da7219_bclk_get_factor(rate, parent_rate); 2099 2100 return da7219_set_bclks_per_wclk(component, factor); 2101 } 2102 2103 static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = { 2104 [DA7219_DAI_WCLK_IDX] = { 2105 .prepare = da7219_wclk_prepare, 2106 .unprepare = da7219_wclk_unprepare, 2107 .is_prepared = da7219_wclk_is_prepared, 2108 .recalc_rate = da7219_wclk_recalc_rate, 2109 .round_rate = da7219_wclk_round_rate, 2110 .set_rate = da7219_wclk_set_rate, 2111 }, 2112 [DA7219_DAI_BCLK_IDX] = { 2113 .recalc_rate = da7219_bclk_recalc_rate, 2114 .round_rate = da7219_bclk_round_rate, 2115 .set_rate = da7219_bclk_set_rate, 2116 }, 2117 }; 2118 2119 static int da7219_register_dai_clks(struct snd_soc_component *component) 2120 { 2121 struct device *dev = component->dev; 2122 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 2123 struct da7219_pdata *pdata = da7219->pdata; 2124 const char *parent_name; 2125 int i, ret; 2126 2127 for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) { 2128 struct clk_init_data init = {}; 2129 struct clk *dai_clk; 2130 struct clk_lookup *dai_clk_lookup; 2131 struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i]; 2132 2133 switch (i) { 2134 case DA7219_DAI_WCLK_IDX: 2135 /* 2136 * If we can, make MCLK the parent of WCLK to ensure 2137 * it's enabled as required. 2138 */ 2139 if (da7219->mclk) { 2140 parent_name = __clk_get_name(da7219->mclk); 2141 init.parent_names = &parent_name; 2142 init.num_parents = 1; 2143 } else { 2144 init.parent_names = NULL; 2145 init.num_parents = 0; 2146 } 2147 break; 2148 case DA7219_DAI_BCLK_IDX: 2149 /* Make WCLK the parent of BCLK */ 2150 parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]); 2151 init.parent_names = &parent_name; 2152 init.num_parents = 1; 2153 break; 2154 default: 2155 dev_err(dev, "Invalid clock index\n"); 2156 ret = -EINVAL; 2157 goto err; 2158 } 2159 2160 init.name = pdata->dai_clk_names[i]; 2161 init.ops = &da7219_dai_clk_ops[i]; 2162 init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE; 2163 dai_clk_hw->init = &init; 2164 2165 dai_clk = devm_clk_register(dev, dai_clk_hw); 2166 if (IS_ERR(dai_clk)) { 2167 dev_warn(dev, "Failed to register %s: %ld\n", 2168 init.name, PTR_ERR(dai_clk)); 2169 ret = PTR_ERR(dai_clk); 2170 goto err; 2171 } 2172 da7219->dai_clks[i] = dai_clk; 2173 2174 /* If we're using DT, then register as provider accordingly */ 2175 if (dev->of_node) { 2176 devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, 2177 dai_clk_hw); 2178 } else { 2179 dai_clk_lookup = clkdev_create(dai_clk, init.name, 2180 "%s", dev_name(dev)); 2181 if (!dai_clk_lookup) { 2182 ret = -ENOMEM; 2183 goto err; 2184 } else { 2185 da7219->dai_clks_lookup[i] = dai_clk_lookup; 2186 } 2187 } 2188 } 2189 2190 return 0; 2191 2192 err: 2193 do { 2194 if (da7219->dai_clks_lookup[i]) 2195 clkdev_drop(da7219->dai_clks_lookup[i]); 2196 } while (i-- > 0); 2197 2198 return ret; 2199 } 2200 #else 2201 static inline int da7219_register_dai_clks(struct snd_soc_component *component) 2202 { 2203 return 0; 2204 } 2205 #endif /* CONFIG_COMMON_CLK */ 2206 2207 static void da7219_handle_pdata(struct snd_soc_component *component) 2208 { 2209 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 2210 struct da7219_pdata *pdata = da7219->pdata; 2211 2212 if (pdata) { 2213 u8 micbias_lvl = 0; 2214 2215 da7219->wakeup_source = pdata->wakeup_source; 2216 2217 /* Mic Bias voltages */ 2218 switch (pdata->micbias_lvl) { 2219 case DA7219_MICBIAS_1_6V: 2220 case DA7219_MICBIAS_1_8V: 2221 case DA7219_MICBIAS_2_0V: 2222 case DA7219_MICBIAS_2_2V: 2223 case DA7219_MICBIAS_2_4V: 2224 case DA7219_MICBIAS_2_6V: 2225 micbias_lvl |= (pdata->micbias_lvl << 2226 DA7219_MICBIAS1_LEVEL_SHIFT); 2227 break; 2228 } 2229 2230 snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl); 2231 2232 /* 2233 * Calculate delay required to compensate for DC offset in 2234 * Mic PGA, based on Mic Bias voltage. 2235 */ 2236 da7219->mic_pga_delay = DA7219_MIC_PGA_BASE_DELAY + 2237 (pdata->micbias_lvl * 2238 DA7219_MIC_PGA_OFFSET_DELAY); 2239 2240 /* Mic */ 2241 switch (pdata->mic_amp_in_sel) { 2242 case DA7219_MIC_AMP_IN_SEL_DIFF: 2243 case DA7219_MIC_AMP_IN_SEL_SE_P: 2244 case DA7219_MIC_AMP_IN_SEL_SE_N: 2245 snd_soc_component_write(component, DA7219_MIC_1_SELECT, 2246 pdata->mic_amp_in_sel); 2247 break; 2248 } 2249 } 2250 } 2251 2252 static struct reg_sequence da7219_rev_aa_patch[] = { 2253 { DA7219_REFERENCES, 0x08 }, 2254 }; 2255 2256 static int da7219_probe(struct snd_soc_component *component) 2257 { 2258 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 2259 unsigned int rev; 2260 int ret; 2261 2262 da7219->component = component; 2263 mutex_init(&da7219->ctrl_lock); 2264 mutex_init(&da7219->pll_lock); 2265 2266 /* Regulator configuration */ 2267 ret = da7219_handle_supplies(component); 2268 if (ret) 2269 return ret; 2270 2271 ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev); 2272 if (ret) { 2273 dev_err(component->dev, "Failed to read chip revision: %d\n", ret); 2274 goto err_disable_reg; 2275 } 2276 2277 switch (rev & DA7219_CHIP_MINOR_MASK) { 2278 case 0: 2279 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch, 2280 ARRAY_SIZE(da7219_rev_aa_patch)); 2281 if (ret) { 2282 dev_err(component->dev, "Failed to register AA patch: %d\n", 2283 ret); 2284 goto err_disable_reg; 2285 } 2286 break; 2287 default: 2288 break; 2289 } 2290 2291 /* Handle DT/ACPI/Platform data */ 2292 da7219->pdata = dev_get_platdata(component->dev); 2293 if (!da7219->pdata) 2294 da7219->pdata = da7219_fw_to_pdata(component); 2295 2296 da7219_handle_pdata(component); 2297 2298 /* Check if MCLK provided */ 2299 da7219->mclk = devm_clk_get(component->dev, "mclk"); 2300 if (IS_ERR(da7219->mclk)) { 2301 if (PTR_ERR(da7219->mclk) != -ENOENT) { 2302 ret = PTR_ERR(da7219->mclk); 2303 goto err_disable_reg; 2304 } else { 2305 da7219->mclk = NULL; 2306 } 2307 } 2308 2309 /* Register CCF DAI clock control */ 2310 ret = da7219_register_dai_clks(component); 2311 if (ret) 2312 return ret; 2313 2314 /* Default PC counter to free-running */ 2315 snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK, 2316 DA7219_PC_FREERUN_MASK); 2317 2318 /* Default gain ramping */ 2319 snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL, 2320 DA7219_MIXIN_L_AMP_RAMP_EN_MASK, 2321 DA7219_MIXIN_L_AMP_RAMP_EN_MASK); 2322 snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK, 2323 DA7219_ADC_L_RAMP_EN_MASK); 2324 snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK, 2325 DA7219_DAC_L_RAMP_EN_MASK); 2326 snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK, 2327 DA7219_DAC_R_RAMP_EN_MASK); 2328 snd_soc_component_update_bits(component, DA7219_HP_L_CTRL, 2329 DA7219_HP_L_AMP_RAMP_EN_MASK, 2330 DA7219_HP_L_AMP_RAMP_EN_MASK); 2331 snd_soc_component_update_bits(component, DA7219_HP_R_CTRL, 2332 DA7219_HP_R_AMP_RAMP_EN_MASK, 2333 DA7219_HP_R_AMP_RAMP_EN_MASK); 2334 2335 /* Default minimum gain on HP to avoid pops during DAPM sequencing */ 2336 snd_soc_component_update_bits(component, DA7219_HP_L_CTRL, 2337 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK, 2338 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK); 2339 snd_soc_component_update_bits(component, DA7219_HP_R_CTRL, 2340 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK, 2341 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK); 2342 2343 /* Default infinite tone gen, start/stop by Kcontrol */ 2344 snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK); 2345 2346 /* Initialise AAD block */ 2347 ret = da7219_aad_init(component); 2348 if (ret) 2349 goto err_disable_reg; 2350 2351 return 0; 2352 2353 err_disable_reg: 2354 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); 2355 2356 return ret; 2357 } 2358 2359 static void da7219_remove(struct snd_soc_component *component) 2360 { 2361 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 2362 #ifdef CONFIG_COMMON_CLK 2363 int i; 2364 #endif 2365 2366 da7219_aad_exit(component); 2367 2368 #ifdef CONFIG_COMMON_CLK 2369 for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) { 2370 if (da7219->dai_clks_lookup[i]) 2371 clkdev_drop(da7219->dai_clks_lookup[i]); 2372 } 2373 #endif 2374 2375 /* Supplies */ 2376 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies); 2377 } 2378 2379 #ifdef CONFIG_PM 2380 static int da7219_suspend(struct snd_soc_component *component) 2381 { 2382 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 2383 2384 /* Suspend AAD if we're not a wake-up source */ 2385 if (!da7219->wakeup_source) 2386 da7219_aad_suspend(component); 2387 2388 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF); 2389 2390 return 0; 2391 } 2392 2393 static int da7219_resume(struct snd_soc_component *component) 2394 { 2395 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component); 2396 2397 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY); 2398 2399 /* Resume AAD if previously suspended */ 2400 if (!da7219->wakeup_source) 2401 da7219_aad_resume(component); 2402 2403 return 0; 2404 } 2405 #else 2406 #define da7219_suspend NULL 2407 #define da7219_resume NULL 2408 #endif 2409 2410 static const struct snd_soc_component_driver soc_component_dev_da7219 = { 2411 .probe = da7219_probe, 2412 .remove = da7219_remove, 2413 .suspend = da7219_suspend, 2414 .resume = da7219_resume, 2415 .set_bias_level = da7219_set_bias_level, 2416 .controls = da7219_snd_controls, 2417 .num_controls = ARRAY_SIZE(da7219_snd_controls), 2418 .dapm_widgets = da7219_dapm_widgets, 2419 .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets), 2420 .dapm_routes = da7219_audio_map, 2421 .num_dapm_routes = ARRAY_SIZE(da7219_audio_map), 2422 .idle_bias_on = 1, 2423 .use_pmdown_time = 1, 2424 .endianness = 1, 2425 .non_legacy_dai_naming = 1, 2426 }; 2427 2428 2429 /* 2430 * Regmap configs 2431 */ 2432 2433 static struct reg_default da7219_reg_defaults[] = { 2434 { DA7219_MIC_1_SELECT, 0x00 }, 2435 { DA7219_CIF_TIMEOUT_CTRL, 0x01 }, 2436 { DA7219_SR_24_48, 0x00 }, 2437 { DA7219_SR, 0x0A }, 2438 { DA7219_CIF_I2C_ADDR_CFG, 0x02 }, 2439 { DA7219_PLL_CTRL, 0x10 }, 2440 { DA7219_PLL_FRAC_TOP, 0x00 }, 2441 { DA7219_PLL_FRAC_BOT, 0x00 }, 2442 { DA7219_PLL_INTEGER, 0x20 }, 2443 { DA7219_DIG_ROUTING_DAI, 0x10 }, 2444 { DA7219_DAI_CLK_MODE, 0x01 }, 2445 { DA7219_DAI_CTRL, 0x28 }, 2446 { DA7219_DAI_TDM_CTRL, 0x40 }, 2447 { DA7219_DIG_ROUTING_DAC, 0x32 }, 2448 { DA7219_DAI_OFFSET_LOWER, 0x00 }, 2449 { DA7219_DAI_OFFSET_UPPER, 0x00 }, 2450 { DA7219_REFERENCES, 0x08 }, 2451 { DA7219_MIXIN_L_SELECT, 0x00 }, 2452 { DA7219_MIXIN_L_GAIN, 0x03 }, 2453 { DA7219_ADC_L_GAIN, 0x6F }, 2454 { DA7219_ADC_FILTERS1, 0x80 }, 2455 { DA7219_MIC_1_GAIN, 0x01 }, 2456 { DA7219_SIDETONE_CTRL, 0x40 }, 2457 { DA7219_SIDETONE_GAIN, 0x0E }, 2458 { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 }, 2459 { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 }, 2460 { DA7219_DAC_FILTERS5, 0x00 }, 2461 { DA7219_DAC_FILTERS2, 0x88 }, 2462 { DA7219_DAC_FILTERS3, 0x88 }, 2463 { DA7219_DAC_FILTERS4, 0x08 }, 2464 { DA7219_DAC_FILTERS1, 0x80 }, 2465 { DA7219_DAC_L_GAIN, 0x6F }, 2466 { DA7219_DAC_R_GAIN, 0x6F }, 2467 { DA7219_CP_CTRL, 0x20 }, 2468 { DA7219_HP_L_GAIN, 0x39 }, 2469 { DA7219_HP_R_GAIN, 0x39 }, 2470 { DA7219_MIXOUT_L_SELECT, 0x00 }, 2471 { DA7219_MIXOUT_R_SELECT, 0x00 }, 2472 { DA7219_MICBIAS_CTRL, 0x03 }, 2473 { DA7219_MIC_1_CTRL, 0x40 }, 2474 { DA7219_MIXIN_L_CTRL, 0x40 }, 2475 { DA7219_ADC_L_CTRL, 0x40 }, 2476 { DA7219_DAC_L_CTRL, 0x40 }, 2477 { DA7219_DAC_R_CTRL, 0x40 }, 2478 { DA7219_HP_L_CTRL, 0x40 }, 2479 { DA7219_HP_R_CTRL, 0x40 }, 2480 { DA7219_MIXOUT_L_CTRL, 0x10 }, 2481 { DA7219_MIXOUT_R_CTRL, 0x10 }, 2482 { DA7219_CHIP_ID1, 0x23 }, 2483 { DA7219_CHIP_ID2, 0x93 }, 2484 { DA7219_IO_CTRL, 0x00 }, 2485 { DA7219_GAIN_RAMP_CTRL, 0x00 }, 2486 { DA7219_PC_COUNT, 0x02 }, 2487 { DA7219_CP_VOL_THRESHOLD1, 0x0E }, 2488 { DA7219_DIG_CTRL, 0x00 }, 2489 { DA7219_ALC_CTRL2, 0x00 }, 2490 { DA7219_ALC_CTRL3, 0x00 }, 2491 { DA7219_ALC_NOISE, 0x3F }, 2492 { DA7219_ALC_TARGET_MIN, 0x3F }, 2493 { DA7219_ALC_TARGET_MAX, 0x00 }, 2494 { DA7219_ALC_GAIN_LIMITS, 0xFF }, 2495 { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 }, 2496 { DA7219_ALC_ANTICLIP_CTRL, 0x00 }, 2497 { DA7219_ALC_ANTICLIP_LEVEL, 0x00 }, 2498 { DA7219_DAC_NG_SETUP_TIME, 0x00 }, 2499 { DA7219_DAC_NG_OFF_THRESH, 0x00 }, 2500 { DA7219_DAC_NG_ON_THRESH, 0x00 }, 2501 { DA7219_DAC_NG_CTRL, 0x00 }, 2502 { DA7219_TONE_GEN_CFG1, 0x00 }, 2503 { DA7219_TONE_GEN_CFG2, 0x00 }, 2504 { DA7219_TONE_GEN_CYCLES, 0x00 }, 2505 { DA7219_TONE_GEN_FREQ1_L, 0x55 }, 2506 { DA7219_TONE_GEN_FREQ1_U, 0x15 }, 2507 { DA7219_TONE_GEN_FREQ2_L, 0x00 }, 2508 { DA7219_TONE_GEN_FREQ2_U, 0x40 }, 2509 { DA7219_TONE_GEN_ON_PER, 0x02 }, 2510 { DA7219_TONE_GEN_OFF_PER, 0x01 }, 2511 { DA7219_ACCDET_IRQ_MASK_A, 0x00 }, 2512 { DA7219_ACCDET_IRQ_MASK_B, 0x00 }, 2513 { DA7219_ACCDET_CONFIG_1, 0xD6 }, 2514 { DA7219_ACCDET_CONFIG_2, 0x34 }, 2515 { DA7219_ACCDET_CONFIG_3, 0x0A }, 2516 { DA7219_ACCDET_CONFIG_4, 0x16 }, 2517 { DA7219_ACCDET_CONFIG_5, 0x21 }, 2518 { DA7219_ACCDET_CONFIG_6, 0x3E }, 2519 { DA7219_ACCDET_CONFIG_7, 0x01 }, 2520 { DA7219_SYSTEM_ACTIVE, 0x00 }, 2521 }; 2522 2523 static bool da7219_volatile_register(struct device *dev, unsigned int reg) 2524 { 2525 switch (reg) { 2526 case DA7219_MIC_1_GAIN_STATUS: 2527 case DA7219_MIXIN_L_GAIN_STATUS: 2528 case DA7219_ADC_L_GAIN_STATUS: 2529 case DA7219_DAC_L_GAIN_STATUS: 2530 case DA7219_DAC_R_GAIN_STATUS: 2531 case DA7219_HP_L_GAIN_STATUS: 2532 case DA7219_HP_R_GAIN_STATUS: 2533 case DA7219_CIF_CTRL: 2534 case DA7219_PLL_SRM_STS: 2535 case DA7219_ALC_CTRL1: 2536 case DA7219_SYSTEM_MODES_INPUT: 2537 case DA7219_SYSTEM_MODES_OUTPUT: 2538 case DA7219_ALC_OFFSET_AUTO_M_L: 2539 case DA7219_ALC_OFFSET_AUTO_U_L: 2540 case DA7219_TONE_GEN_CFG1: 2541 case DA7219_ACCDET_STATUS_A: 2542 case DA7219_ACCDET_STATUS_B: 2543 case DA7219_ACCDET_IRQ_EVENT_A: 2544 case DA7219_ACCDET_IRQ_EVENT_B: 2545 case DA7219_ACCDET_CONFIG_8: 2546 case DA7219_SYSTEM_STATUS: 2547 return true; 2548 default: 2549 return false; 2550 } 2551 } 2552 2553 static const struct regmap_config da7219_regmap_config = { 2554 .reg_bits = 8, 2555 .val_bits = 8, 2556 2557 .max_register = DA7219_SYSTEM_ACTIVE, 2558 .reg_defaults = da7219_reg_defaults, 2559 .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults), 2560 .volatile_reg = da7219_volatile_register, 2561 .cache_type = REGCACHE_RBTREE, 2562 }; 2563 2564 2565 /* 2566 * I2C layer 2567 */ 2568 2569 static int da7219_i2c_probe(struct i2c_client *i2c, 2570 const struct i2c_device_id *id) 2571 { 2572 struct da7219_priv *da7219; 2573 unsigned int system_active, system_status; 2574 int i, ret; 2575 2576 da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv), 2577 GFP_KERNEL); 2578 if (!da7219) 2579 return -ENOMEM; 2580 2581 i2c_set_clientdata(i2c, da7219); 2582 2583 da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config); 2584 if (IS_ERR(da7219->regmap)) { 2585 ret = PTR_ERR(da7219->regmap); 2586 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); 2587 return ret; 2588 } 2589 2590 regcache_cache_bypass(da7219->regmap, true); 2591 2592 /* Disable audio paths if still active from previous start */ 2593 regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active); 2594 if (system_active) { 2595 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL, 2596 DA7219_GAIN_RAMP_RATE_NOMINAL); 2597 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00); 2598 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01); 2599 2600 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) { 2601 regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS, 2602 &system_status); 2603 if (!system_status) 2604 break; 2605 2606 msleep(DA7219_SYS_STAT_CHECK_DELAY); 2607 } 2608 } 2609 2610 /* Soft reset component */ 2611 regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1, 2612 DA7219_ACCDET_EN_MASK, 0); 2613 regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL, 2614 DA7219_CIF_REG_SOFT_RESET_MASK, 2615 DA7219_CIF_REG_SOFT_RESET_MASK); 2616 regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE, 2617 DA7219_SYSTEM_ACTIVE_MASK, 0); 2618 2619 regcache_cache_bypass(da7219->regmap, false); 2620 2621 ret = devm_snd_soc_register_component(&i2c->dev, 2622 &soc_component_dev_da7219, 2623 &da7219_dai, 1); 2624 if (ret < 0) { 2625 dev_err(&i2c->dev, "Failed to register da7219 component: %d\n", 2626 ret); 2627 } 2628 return ret; 2629 } 2630 2631 static int da7219_i2c_remove(struct i2c_client *client) 2632 { 2633 return 0; 2634 } 2635 2636 static const struct i2c_device_id da7219_i2c_id[] = { 2637 { "da7219", }, 2638 { } 2639 }; 2640 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id); 2641 2642 static struct i2c_driver da7219_i2c_driver = { 2643 .driver = { 2644 .name = "da7219", 2645 .of_match_table = of_match_ptr(da7219_of_match), 2646 .acpi_match_table = ACPI_PTR(da7219_acpi_match), 2647 }, 2648 .probe = da7219_i2c_probe, 2649 .remove = da7219_i2c_remove, 2650 .id_table = da7219_i2c_id, 2651 }; 2652 2653 module_i2c_driver(da7219_i2c_driver); 2654 2655 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver"); 2656 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>"); 2657 MODULE_LICENSE("GPL"); 2658