1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * cs42l56.c -- CS42L56 ALSA SoC audio driver 4 * 5 * Copyright 2014 CirrusLogic, Inc. 6 * 7 * Author: Brian Austin <brian.austin@cirrus.com> 8 */ 9 10 #include <linux/module.h> 11 #include <linux/moduleparam.h> 12 #include <linux/kernel.h> 13 #include <linux/init.h> 14 #include <linux/delay.h> 15 #include <linux/pm.h> 16 #include <linux/i2c.h> 17 #include <linux/input.h> 18 #include <linux/regmap.h> 19 #include <linux/slab.h> 20 #include <linux/workqueue.h> 21 #include <linux/platform_device.h> 22 #include <linux/regulator/consumer.h> 23 #include <linux/of_device.h> 24 #include <linux/of_gpio.h> 25 #include <sound/core.h> 26 #include <sound/pcm.h> 27 #include <sound/pcm_params.h> 28 #include <sound/soc.h> 29 #include <sound/soc-dapm.h> 30 #include <sound/initval.h> 31 #include <sound/tlv.h> 32 #include <sound/cs42l56.h> 33 #include "cs42l56.h" 34 35 #define CS42L56_NUM_SUPPLIES 3 36 static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = { 37 "VA", 38 "VCP", 39 "VLDO", 40 }; 41 42 struct cs42l56_private { 43 struct regmap *regmap; 44 struct snd_soc_component *component; 45 struct device *dev; 46 struct cs42l56_platform_data pdata; 47 struct regulator_bulk_data supplies[CS42L56_NUM_SUPPLIES]; 48 u32 mclk; 49 u8 mclk_prediv; 50 u8 mclk_div2; 51 u8 mclk_ratio; 52 u8 iface; 53 u8 iface_fmt; 54 u8 iface_inv; 55 #if IS_ENABLED(CONFIG_INPUT) 56 struct input_dev *beep; 57 struct work_struct beep_work; 58 int beep_rate; 59 #endif 60 }; 61 62 static const struct reg_default cs42l56_reg_defaults[] = { 63 { 3, 0x7f }, /* r03 - Power Ctl 1 */ 64 { 4, 0xff }, /* r04 - Power Ctl 2 */ 65 { 5, 0x00 }, /* ro5 - Clocking Ctl 1 */ 66 { 6, 0x0b }, /* r06 - Clocking Ctl 2 */ 67 { 7, 0x00 }, /* r07 - Serial Format */ 68 { 8, 0x05 }, /* r08 - Class H Ctl */ 69 { 9, 0x0c }, /* r09 - Misc Ctl */ 70 { 10, 0x80 }, /* r0a - INT Status */ 71 { 11, 0x00 }, /* r0b - Playback Ctl */ 72 { 12, 0x0c }, /* r0c - DSP Mute Ctl */ 73 { 13, 0x00 }, /* r0d - ADCA Mixer Volume */ 74 { 14, 0x00 }, /* r0e - ADCB Mixer Volume */ 75 { 15, 0x00 }, /* r0f - PCMA Mixer Volume */ 76 { 16, 0x00 }, /* r10 - PCMB Mixer Volume */ 77 { 17, 0x00 }, /* r11 - Analog Input Advisory Volume */ 78 { 18, 0x00 }, /* r12 - Digital Input Advisory Volume */ 79 { 19, 0x00 }, /* r13 - Master A Volume */ 80 { 20, 0x00 }, /* r14 - Master B Volume */ 81 { 21, 0x00 }, /* r15 - Beep Freq / On Time */ 82 { 22, 0x00 }, /* r16 - Beep Volume / Off Time */ 83 { 23, 0x00 }, /* r17 - Beep Tone Ctl */ 84 { 24, 0x88 }, /* r18 - Tone Ctl */ 85 { 25, 0x00 }, /* r19 - Channel Mixer & Swap */ 86 { 26, 0x00 }, /* r1a - AIN Ref Config / ADC Mux */ 87 { 27, 0xa0 }, /* r1b - High-Pass Filter Ctl */ 88 { 28, 0x00 }, /* r1c - Misc ADC Ctl */ 89 { 29, 0x00 }, /* r1d - Gain & Bias Ctl */ 90 { 30, 0x00 }, /* r1e - PGAA Mux & Volume */ 91 { 31, 0x00 }, /* r1f - PGAB Mux & Volume */ 92 { 32, 0x00 }, /* r20 - ADCA Attenuator */ 93 { 33, 0x00 }, /* r21 - ADCB Attenuator */ 94 { 34, 0x00 }, /* r22 - ALC Enable & Attack Rate */ 95 { 35, 0xbf }, /* r23 - ALC Release Rate */ 96 { 36, 0x00 }, /* r24 - ALC Threshold */ 97 { 37, 0x00 }, /* r25 - Noise Gate Ctl */ 98 { 38, 0x00 }, /* r26 - ALC, Limiter, SFT, ZeroCross */ 99 { 39, 0x00 }, /* r27 - Analog Mute, LO & HP Mux */ 100 { 40, 0x00 }, /* r28 - HP A Volume */ 101 { 41, 0x00 }, /* r29 - HP B Volume */ 102 { 42, 0x00 }, /* r2a - LINEOUT A Volume */ 103 { 43, 0x00 }, /* r2b - LINEOUT B Volume */ 104 { 44, 0x00 }, /* r2c - Limit Threshold Ctl */ 105 { 45, 0x7f }, /* r2d - Limiter Ctl & Release Rate */ 106 { 46, 0x00 }, /* r2e - Limiter Attack Rate */ 107 }; 108 109 static bool cs42l56_readable_register(struct device *dev, unsigned int reg) 110 { 111 switch (reg) { 112 case CS42L56_CHIP_ID_1 ... CS42L56_LIM_ATTACK_RATE: 113 return true; 114 default: 115 return false; 116 } 117 } 118 119 static bool cs42l56_volatile_register(struct device *dev, unsigned int reg) 120 { 121 switch (reg) { 122 case CS42L56_INT_STATUS: 123 return true; 124 default: 125 return false; 126 } 127 } 128 129 static DECLARE_TLV_DB_SCALE(beep_tlv, -5000, 200, 0); 130 static DECLARE_TLV_DB_SCALE(hl_tlv, -6000, 50, 0); 131 static DECLARE_TLV_DB_SCALE(adv_tlv, -10200, 50, 0); 132 static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, 0); 133 static DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0); 134 static DECLARE_TLV_DB_SCALE(preamp_tlv, 0, 1000, 0); 135 static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0); 136 137 static const DECLARE_TLV_DB_RANGE(ngnb_tlv, 138 0, 1, TLV_DB_SCALE_ITEM(-8200, 600, 0), 139 2, 5, TLV_DB_SCALE_ITEM(-7600, 300, 0) 140 ); 141 static const DECLARE_TLV_DB_RANGE(ngb_tlv, 142 0, 2, TLV_DB_SCALE_ITEM(-6400, 600, 0), 143 3, 7, TLV_DB_SCALE_ITEM(-4600, 300, 0) 144 ); 145 static const DECLARE_TLV_DB_RANGE(alc_tlv, 146 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0), 147 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0) 148 ); 149 150 static const char * const beep_config_text[] = { 151 "Off", "Single", "Multiple", "Continuous" 152 }; 153 154 static const struct soc_enum beep_config_enum = 155 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 6, 156 ARRAY_SIZE(beep_config_text), beep_config_text); 157 158 static const char * const beep_pitch_text[] = { 159 "C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5", 160 "C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7" 161 }; 162 163 static const struct soc_enum beep_pitch_enum = 164 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 4, 165 ARRAY_SIZE(beep_pitch_text), beep_pitch_text); 166 167 static const char * const beep_ontime_text[] = { 168 "86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s", 169 "1.80 s", "2.20 s", "2.50 s", "2.80 s", "3.20 s", 170 "3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s" 171 }; 172 173 static const struct soc_enum beep_ontime_enum = 174 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_ONTIME, 0, 175 ARRAY_SIZE(beep_ontime_text), beep_ontime_text); 176 177 static const char * const beep_offtime_text[] = { 178 "1.23 s", "2.58 s", "3.90 s", "5.20 s", 179 "6.60 s", "8.05 s", "9.35 s", "10.80 s" 180 }; 181 182 static const struct soc_enum beep_offtime_enum = 183 SOC_ENUM_SINGLE(CS42L56_BEEP_FREQ_OFFTIME, 5, 184 ARRAY_SIZE(beep_offtime_text), beep_offtime_text); 185 186 static const char * const beep_treble_text[] = { 187 "5kHz", "7kHz", "10kHz", "15kHz" 188 }; 189 190 static const struct soc_enum beep_treble_enum = 191 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 3, 192 ARRAY_SIZE(beep_treble_text), beep_treble_text); 193 194 static const char * const beep_bass_text[] = { 195 "50Hz", "100Hz", "200Hz", "250Hz" 196 }; 197 198 static const struct soc_enum beep_bass_enum = 199 SOC_ENUM_SINGLE(CS42L56_BEEP_TONE_CFG, 1, 200 ARRAY_SIZE(beep_bass_text), beep_bass_text); 201 202 static const char * const pgaa_mux_text[] = { 203 "AIN1A", "AIN2A", "AIN3A"}; 204 205 static const struct soc_enum pgaa_mux_enum = 206 SOC_ENUM_SINGLE(CS42L56_PGAA_MUX_VOLUME, 0, 207 ARRAY_SIZE(pgaa_mux_text), 208 pgaa_mux_text); 209 210 static const struct snd_kcontrol_new pgaa_mux = 211 SOC_DAPM_ENUM("Route", pgaa_mux_enum); 212 213 static const char * const pgab_mux_text[] = { 214 "AIN1B", "AIN2B", "AIN3B"}; 215 216 static const struct soc_enum pgab_mux_enum = 217 SOC_ENUM_SINGLE(CS42L56_PGAB_MUX_VOLUME, 0, 218 ARRAY_SIZE(pgab_mux_text), 219 pgab_mux_text); 220 221 static const struct snd_kcontrol_new pgab_mux = 222 SOC_DAPM_ENUM("Route", pgab_mux_enum); 223 224 static const char * const adca_mux_text[] = { 225 "PGAA", "AIN1A", "AIN2A", "AIN3A"}; 226 227 static const struct soc_enum adca_mux_enum = 228 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 0, 229 ARRAY_SIZE(adca_mux_text), 230 adca_mux_text); 231 232 static const struct snd_kcontrol_new adca_mux = 233 SOC_DAPM_ENUM("Route", adca_mux_enum); 234 235 static const char * const adcb_mux_text[] = { 236 "PGAB", "AIN1B", "AIN2B", "AIN3B"}; 237 238 static const struct soc_enum adcb_mux_enum = 239 SOC_ENUM_SINGLE(CS42L56_AIN_REFCFG_ADC_MUX, 2, 240 ARRAY_SIZE(adcb_mux_text), 241 adcb_mux_text); 242 243 static const struct snd_kcontrol_new adcb_mux = 244 SOC_DAPM_ENUM("Route", adcb_mux_enum); 245 246 static const char * const left_swap_text[] = { 247 "Left", "LR 2", "Right"}; 248 249 static const char * const right_swap_text[] = { 250 "Right", "LR 2", "Left"}; 251 252 static const unsigned int swap_values[] = { 0, 1, 3 }; 253 254 static const struct soc_enum adca_swap_enum = 255 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 0, 3, 256 ARRAY_SIZE(left_swap_text), 257 left_swap_text, 258 swap_values); 259 static const struct snd_kcontrol_new adca_swap_mux = 260 SOC_DAPM_ENUM("Route", adca_swap_enum); 261 262 static const struct soc_enum pcma_swap_enum = 263 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 4, 3, 264 ARRAY_SIZE(left_swap_text), 265 left_swap_text, 266 swap_values); 267 static const struct snd_kcontrol_new pcma_swap_mux = 268 SOC_DAPM_ENUM("Route", pcma_swap_enum); 269 270 static const struct soc_enum adcb_swap_enum = 271 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 2, 3, 272 ARRAY_SIZE(right_swap_text), 273 right_swap_text, 274 swap_values); 275 static const struct snd_kcontrol_new adcb_swap_mux = 276 SOC_DAPM_ENUM("Route", adcb_swap_enum); 277 278 static const struct soc_enum pcmb_swap_enum = 279 SOC_VALUE_ENUM_SINGLE(CS42L56_CHAN_MIX_SWAP, 6, 3, 280 ARRAY_SIZE(right_swap_text), 281 right_swap_text, 282 swap_values); 283 static const struct snd_kcontrol_new pcmb_swap_mux = 284 SOC_DAPM_ENUM("Route", pcmb_swap_enum); 285 286 static const struct snd_kcontrol_new hpa_switch = 287 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 6, 1, 1); 288 289 static const struct snd_kcontrol_new hpb_switch = 290 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 4, 1, 1); 291 292 static const struct snd_kcontrol_new loa_switch = 293 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 2, 1, 1); 294 295 static const struct snd_kcontrol_new lob_switch = 296 SOC_DAPM_SINGLE("Switch", CS42L56_PWRCTL_2, 0, 1, 1); 297 298 static const char * const hploa_input_text[] = { 299 "DACA", "PGAA"}; 300 301 static const struct soc_enum lineouta_input_enum = 302 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 2, 303 ARRAY_SIZE(hploa_input_text), 304 hploa_input_text); 305 306 static const struct snd_kcontrol_new lineouta_input = 307 SOC_DAPM_ENUM("Route", lineouta_input_enum); 308 309 static const struct soc_enum hpa_input_enum = 310 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 0, 311 ARRAY_SIZE(hploa_input_text), 312 hploa_input_text); 313 314 static const struct snd_kcontrol_new hpa_input = 315 SOC_DAPM_ENUM("Route", hpa_input_enum); 316 317 static const char * const hplob_input_text[] = { 318 "DACB", "PGAB"}; 319 320 static const struct soc_enum lineoutb_input_enum = 321 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 3, 322 ARRAY_SIZE(hplob_input_text), 323 hplob_input_text); 324 325 static const struct snd_kcontrol_new lineoutb_input = 326 SOC_DAPM_ENUM("Route", lineoutb_input_enum); 327 328 static const struct soc_enum hpb_input_enum = 329 SOC_ENUM_SINGLE(CS42L56_AMUTE_HPLO_MUX, 1, 330 ARRAY_SIZE(hplob_input_text), 331 hplob_input_text); 332 333 static const struct snd_kcontrol_new hpb_input = 334 SOC_DAPM_ENUM("Route", hpb_input_enum); 335 336 static const char * const dig_mux_text[] = { 337 "ADC", "DSP"}; 338 339 static const struct soc_enum dig_mux_enum = 340 SOC_ENUM_SINGLE(CS42L56_MISC_CTL, 7, 341 ARRAY_SIZE(dig_mux_text), 342 dig_mux_text); 343 344 static const struct snd_kcontrol_new dig_mux = 345 SOC_DAPM_ENUM("Route", dig_mux_enum); 346 347 static const char * const hpf_freq_text[] = { 348 "1.8Hz", "119Hz", "236Hz", "464Hz" 349 }; 350 351 static const struct soc_enum hpfa_freq_enum = 352 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 0, 353 ARRAY_SIZE(hpf_freq_text), hpf_freq_text); 354 355 static const struct soc_enum hpfb_freq_enum = 356 SOC_ENUM_SINGLE(CS42L56_HPF_CTL, 2, 357 ARRAY_SIZE(hpf_freq_text), hpf_freq_text); 358 359 static const char * const ng_delay_text[] = { 360 "50ms", "100ms", "150ms", "200ms" 361 }; 362 363 static const struct soc_enum ng_delay_enum = 364 SOC_ENUM_SINGLE(CS42L56_NOISE_GATE_CTL, 0, 365 ARRAY_SIZE(ng_delay_text), ng_delay_text); 366 367 static const struct snd_kcontrol_new cs42l56_snd_controls[] = { 368 369 SOC_DOUBLE_R_SX_TLV("Master Volume", CS42L56_MASTER_A_VOLUME, 370 CS42L56_MASTER_B_VOLUME, 0, 0x34, 0xE4, adv_tlv), 371 SOC_DOUBLE("Master Mute Switch", CS42L56_DSP_MUTE_CTL, 0, 1, 1, 1), 372 373 SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", CS42L56_ADCA_MIX_VOLUME, 374 CS42L56_ADCB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv), 375 SOC_DOUBLE("ADC Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 6, 7, 1, 1), 376 377 SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume", CS42L56_PCMA_MIX_VOLUME, 378 CS42L56_PCMB_MIX_VOLUME, 0, 0x88, 0x90, hl_tlv), 379 SOC_DOUBLE("PCM Mixer Mute Switch", CS42L56_DSP_MUTE_CTL, 4, 5, 1, 1), 380 381 SOC_SINGLE_TLV("Analog Advisory Volume", 382 CS42L56_ANAINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv), 383 SOC_SINGLE_TLV("Digital Advisory Volume", 384 CS42L56_DIGINPUT_ADV_VOLUME, 0, 0x00, 1, adv_tlv), 385 386 SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L56_PGAA_MUX_VOLUME, 387 CS42L56_PGAB_MUX_VOLUME, 0, 0x34, 0x24, pga_tlv), 388 SOC_DOUBLE_R_TLV("ADC Volume", CS42L56_ADCA_ATTENUATOR, 389 CS42L56_ADCB_ATTENUATOR, 0, 0x00, 1, adc_tlv), 390 SOC_DOUBLE("ADC Mute Switch", CS42L56_MISC_ADC_CTL, 2, 3, 1, 1), 391 SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1), 392 393 SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME, 394 CS42L56_HPB_VOLUME, 0, 0x84, 0x48, hl_tlv), 395 SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME, 396 CS42L56_LOB_VOLUME, 0, 0x84, 0x48, hl_tlv), 397 398 SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL, 399 0, 0x00, 1, tone_tlv), 400 SOC_SINGLE_TLV("Treble Shelving Volume", CS42L56_TONE_CTL, 401 4, 0x00, 1, tone_tlv), 402 403 SOC_DOUBLE_TLV("PGA Preamp Volume", CS42L56_GAIN_BIAS_CTL, 404 4, 6, 0x02, 1, preamp_tlv), 405 406 SOC_SINGLE("DSP Switch", CS42L56_PLAYBACK_CTL, 7, 1, 1), 407 SOC_SINGLE("Gang Playback Switch", CS42L56_PLAYBACK_CTL, 4, 1, 1), 408 SOC_SINGLE("Gang ADC Switch", CS42L56_MISC_ADC_CTL, 7, 1, 1), 409 SOC_SINGLE("Gang PGA Switch", CS42L56_MISC_ADC_CTL, 6, 1, 1), 410 411 SOC_SINGLE("PCMA Invert", CS42L56_PLAYBACK_CTL, 2, 1, 1), 412 SOC_SINGLE("PCMB Invert", CS42L56_PLAYBACK_CTL, 3, 1, 1), 413 SOC_SINGLE("ADCA Invert", CS42L56_MISC_ADC_CTL, 2, 1, 1), 414 SOC_SINGLE("ADCB Invert", CS42L56_MISC_ADC_CTL, 3, 1, 1), 415 416 SOC_DOUBLE("HPF Switch", CS42L56_HPF_CTL, 5, 7, 1, 1), 417 SOC_DOUBLE("HPF Freeze Switch", CS42L56_HPF_CTL, 4, 6, 1, 1), 418 SOC_ENUM("HPFA Corner Freq", hpfa_freq_enum), 419 SOC_ENUM("HPFB Corner Freq", hpfb_freq_enum), 420 421 SOC_SINGLE("Analog Soft Ramp", CS42L56_MISC_CTL, 4, 1, 1), 422 SOC_DOUBLE("Analog Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC, 423 7, 5, 1, 1), 424 SOC_SINGLE("Analog Zero Cross", CS42L56_MISC_CTL, 3, 1, 1), 425 SOC_DOUBLE("Analog Zero Cross Disable", CS42L56_ALC_LIM_SFT_ZC, 426 6, 4, 1, 1), 427 SOC_SINGLE("Digital Soft Ramp", CS42L56_MISC_CTL, 2, 1, 1), 428 SOC_SINGLE("Digital Soft Ramp Disable", CS42L56_ALC_LIM_SFT_ZC, 429 3, 1, 1), 430 431 SOC_SINGLE("HL Deemphasis", CS42L56_PLAYBACK_CTL, 6, 1, 1), 432 433 SOC_SINGLE("ALC Switch", CS42L56_ALC_EN_ATTACK_RATE, 6, 1, 1), 434 SOC_SINGLE("ALC Limit All Switch", CS42L56_ALC_RELEASE_RATE, 7, 1, 1), 435 SOC_SINGLE_RANGE("ALC Attack", CS42L56_ALC_EN_ATTACK_RATE, 436 0, 0, 0x3f, 0), 437 SOC_SINGLE_RANGE("ALC Release", CS42L56_ALC_RELEASE_RATE, 438 0, 0x3f, 0, 0), 439 SOC_SINGLE_TLV("ALC MAX", CS42L56_ALC_THRESHOLD, 440 5, 0x07, 1, alc_tlv), 441 SOC_SINGLE_TLV("ALC MIN", CS42L56_ALC_THRESHOLD, 442 2, 0x07, 1, alc_tlv), 443 444 SOC_SINGLE("Limiter Switch", CS42L56_LIM_CTL_RELEASE_RATE, 7, 1, 1), 445 SOC_SINGLE("Limit All Switch", CS42L56_LIM_CTL_RELEASE_RATE, 6, 1, 1), 446 SOC_SINGLE_RANGE("Limiter Attack", CS42L56_LIM_ATTACK_RATE, 447 0, 0, 0x3f, 0), 448 SOC_SINGLE_RANGE("Limiter Release", CS42L56_LIM_CTL_RELEASE_RATE, 449 0, 0x3f, 0, 0), 450 SOC_SINGLE_TLV("Limiter MAX", CS42L56_LIM_THRESHOLD_CTL, 451 5, 0x07, 1, alc_tlv), 452 SOC_SINGLE_TLV("Limiter Cushion", CS42L56_ALC_THRESHOLD, 453 2, 0x07, 1, alc_tlv), 454 455 SOC_SINGLE("NG Switch", CS42L56_NOISE_GATE_CTL, 6, 1, 1), 456 SOC_SINGLE("NG All Switch", CS42L56_NOISE_GATE_CTL, 7, 1, 1), 457 SOC_SINGLE("NG Boost Switch", CS42L56_NOISE_GATE_CTL, 5, 1, 1), 458 SOC_SINGLE_TLV("NG Unboost Threshold", CS42L56_NOISE_GATE_CTL, 459 2, 0x07, 1, ngnb_tlv), 460 SOC_SINGLE_TLV("NG Boost Threshold", CS42L56_NOISE_GATE_CTL, 461 2, 0x07, 1, ngb_tlv), 462 SOC_ENUM("NG Delay", ng_delay_enum), 463 464 SOC_ENUM("Beep Config", beep_config_enum), 465 SOC_ENUM("Beep Pitch", beep_pitch_enum), 466 SOC_ENUM("Beep on Time", beep_ontime_enum), 467 SOC_ENUM("Beep off Time", beep_offtime_enum), 468 SOC_SINGLE_SX_TLV("Beep Volume", CS42L56_BEEP_FREQ_OFFTIME, 469 0, 0x07, 0x23, beep_tlv), 470 SOC_SINGLE("Beep Tone Ctl Switch", CS42L56_BEEP_TONE_CFG, 0, 1, 1), 471 SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum), 472 SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum), 473 474 }; 475 476 static const struct snd_soc_dapm_widget cs42l56_dapm_widgets[] = { 477 478 SND_SOC_DAPM_SIGGEN("Beep"), 479 SND_SOC_DAPM_SUPPLY("VBUF", CS42L56_PWRCTL_1, 5, 1, NULL, 0), 480 SND_SOC_DAPM_MICBIAS("MIC1 Bias", CS42L56_PWRCTL_1, 4, 1), 481 SND_SOC_DAPM_SUPPLY("Charge Pump", CS42L56_PWRCTL_1, 3, 1, NULL, 0), 482 483 SND_SOC_DAPM_INPUT("AIN1A"), 484 SND_SOC_DAPM_INPUT("AIN2A"), 485 SND_SOC_DAPM_INPUT("AIN1B"), 486 SND_SOC_DAPM_INPUT("AIN2B"), 487 SND_SOC_DAPM_INPUT("AIN3A"), 488 SND_SOC_DAPM_INPUT("AIN3B"), 489 490 SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0, 491 SND_SOC_NOPM, 0, 0), 492 493 SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, 494 SND_SOC_NOPM, 0, 0), 495 496 SND_SOC_DAPM_MUX("Digital Output Mux", SND_SOC_NOPM, 497 0, 0, &dig_mux), 498 499 SND_SOC_DAPM_PGA("PGAA", SND_SOC_NOPM, 0, 0, NULL, 0), 500 SND_SOC_DAPM_PGA("PGAB", SND_SOC_NOPM, 0, 0, NULL, 0), 501 SND_SOC_DAPM_MUX("PGAA Input Mux", 502 SND_SOC_NOPM, 0, 0, &pgaa_mux), 503 SND_SOC_DAPM_MUX("PGAB Input Mux", 504 SND_SOC_NOPM, 0, 0, &pgab_mux), 505 506 SND_SOC_DAPM_MUX("ADCA Mux", SND_SOC_NOPM, 507 0, 0, &adca_mux), 508 SND_SOC_DAPM_MUX("ADCB Mux", SND_SOC_NOPM, 509 0, 0, &adcb_mux), 510 511 SND_SOC_DAPM_ADC("ADCA", NULL, CS42L56_PWRCTL_1, 1, 1), 512 SND_SOC_DAPM_ADC("ADCB", NULL, CS42L56_PWRCTL_1, 2, 1), 513 514 SND_SOC_DAPM_MUX("ADCA Swap Mux", SND_SOC_NOPM, 0, 0, 515 &adca_swap_mux), 516 SND_SOC_DAPM_MUX("ADCB Swap Mux", SND_SOC_NOPM, 0, 0, 517 &adcb_swap_mux), 518 519 SND_SOC_DAPM_MUX("PCMA Swap Mux", SND_SOC_NOPM, 0, 0, 520 &pcma_swap_mux), 521 SND_SOC_DAPM_MUX("PCMB Swap Mux", SND_SOC_NOPM, 0, 0, 522 &pcmb_swap_mux), 523 524 SND_SOC_DAPM_DAC("DACA", NULL, SND_SOC_NOPM, 0, 0), 525 SND_SOC_DAPM_DAC("DACB", NULL, SND_SOC_NOPM, 0, 0), 526 527 SND_SOC_DAPM_OUTPUT("HPA"), 528 SND_SOC_DAPM_OUTPUT("LOA"), 529 SND_SOC_DAPM_OUTPUT("HPB"), 530 SND_SOC_DAPM_OUTPUT("LOB"), 531 532 SND_SOC_DAPM_SWITCH("Headphone Right", 533 CS42L56_PWRCTL_2, 4, 1, &hpb_switch), 534 SND_SOC_DAPM_SWITCH("Headphone Left", 535 CS42L56_PWRCTL_2, 6, 1, &hpa_switch), 536 537 SND_SOC_DAPM_SWITCH("Lineout Right", 538 CS42L56_PWRCTL_2, 0, 1, &lob_switch), 539 SND_SOC_DAPM_SWITCH("Lineout Left", 540 CS42L56_PWRCTL_2, 2, 1, &loa_switch), 541 542 SND_SOC_DAPM_MUX("LINEOUTA Input Mux", SND_SOC_NOPM, 543 0, 0, &lineouta_input), 544 SND_SOC_DAPM_MUX("LINEOUTB Input Mux", SND_SOC_NOPM, 545 0, 0, &lineoutb_input), 546 SND_SOC_DAPM_MUX("HPA Input Mux", SND_SOC_NOPM, 547 0, 0, &hpa_input), 548 SND_SOC_DAPM_MUX("HPB Input Mux", SND_SOC_NOPM, 549 0, 0, &hpb_input), 550 551 }; 552 553 static const struct snd_soc_dapm_route cs42l56_audio_map[] = { 554 555 {"HiFi Capture", "DSP", "Digital Output Mux"}, 556 {"HiFi Capture", "ADC", "Digital Output Mux"}, 557 558 {"Digital Output Mux", NULL, "ADCA"}, 559 {"Digital Output Mux", NULL, "ADCB"}, 560 561 {"ADCB", NULL, "ADCB Swap Mux"}, 562 {"ADCA", NULL, "ADCA Swap Mux"}, 563 564 {"ADCA Swap Mux", NULL, "ADCA"}, 565 {"ADCB Swap Mux", NULL, "ADCB"}, 566 567 {"DACA", "Left", "ADCA Swap Mux"}, 568 {"DACA", "LR 2", "ADCA Swap Mux"}, 569 {"DACA", "Right", "ADCA Swap Mux"}, 570 571 {"DACB", "Left", "ADCB Swap Mux"}, 572 {"DACB", "LR 2", "ADCB Swap Mux"}, 573 {"DACB", "Right", "ADCB Swap Mux"}, 574 575 {"ADCA Mux", NULL, "AIN3A"}, 576 {"ADCA Mux", NULL, "AIN2A"}, 577 {"ADCA Mux", NULL, "AIN1A"}, 578 {"ADCA Mux", NULL, "PGAA"}, 579 {"ADCB Mux", NULL, "AIN3B"}, 580 {"ADCB Mux", NULL, "AIN2B"}, 581 {"ADCB Mux", NULL, "AIN1B"}, 582 {"ADCB Mux", NULL, "PGAB"}, 583 584 {"PGAA", "AIN1A", "PGAA Input Mux"}, 585 {"PGAA", "AIN2A", "PGAA Input Mux"}, 586 {"PGAA", "AIN3A", "PGAA Input Mux"}, 587 {"PGAB", "AIN1B", "PGAB Input Mux"}, 588 {"PGAB", "AIN2B", "PGAB Input Mux"}, 589 {"PGAB", "AIN3B", "PGAB Input Mux"}, 590 591 {"PGAA Input Mux", NULL, "AIN1A"}, 592 {"PGAA Input Mux", NULL, "AIN2A"}, 593 {"PGAA Input Mux", NULL, "AIN3A"}, 594 {"PGAB Input Mux", NULL, "AIN1B"}, 595 {"PGAB Input Mux", NULL, "AIN2B"}, 596 {"PGAB Input Mux", NULL, "AIN3B"}, 597 598 {"LOB", "Switch", "LINEOUTB Input Mux"}, 599 {"LOA", "Switch", "LINEOUTA Input Mux"}, 600 601 {"LINEOUTA Input Mux", "PGAA", "PGAA"}, 602 {"LINEOUTB Input Mux", "PGAB", "PGAB"}, 603 {"LINEOUTA Input Mux", "DACA", "DACA"}, 604 {"LINEOUTB Input Mux", "DACB", "DACB"}, 605 606 {"HPA", "Switch", "HPB Input Mux"}, 607 {"HPB", "Switch", "HPA Input Mux"}, 608 609 {"HPA Input Mux", "PGAA", "PGAA"}, 610 {"HPB Input Mux", "PGAB", "PGAB"}, 611 {"HPA Input Mux", "DACA", "DACA"}, 612 {"HPB Input Mux", "DACB", "DACB"}, 613 614 {"DACA", NULL, "PCMA Swap Mux"}, 615 {"DACB", NULL, "PCMB Swap Mux"}, 616 617 {"PCMB Swap Mux", "Left", "HiFi Playback"}, 618 {"PCMB Swap Mux", "LR 2", "HiFi Playback"}, 619 {"PCMB Swap Mux", "Right", "HiFi Playback"}, 620 621 {"PCMA Swap Mux", "Left", "HiFi Playback"}, 622 {"PCMA Swap Mux", "LR 2", "HiFi Playback"}, 623 {"PCMA Swap Mux", "Right", "HiFi Playback"}, 624 625 }; 626 627 struct cs42l56_clk_para { 628 u32 mclk; 629 u32 srate; 630 u8 ratio; 631 }; 632 633 static const struct cs42l56_clk_para clk_ratio_table[] = { 634 /* 8k */ 635 { 6000000, 8000, CS42L56_MCLK_LRCLK_768 }, 636 { 6144000, 8000, CS42L56_MCLK_LRCLK_750 }, 637 { 12000000, 8000, CS42L56_MCLK_LRCLK_768 }, 638 { 12288000, 8000, CS42L56_MCLK_LRCLK_750 }, 639 { 24000000, 8000, CS42L56_MCLK_LRCLK_768 }, 640 { 24576000, 8000, CS42L56_MCLK_LRCLK_750 }, 641 /* 11.025k */ 642 { 5644800, 11025, CS42L56_MCLK_LRCLK_512}, 643 { 11289600, 11025, CS42L56_MCLK_LRCLK_512}, 644 { 22579200, 11025, CS42L56_MCLK_LRCLK_512 }, 645 /* 11.0294k */ 646 { 6000000, 110294, CS42L56_MCLK_LRCLK_544 }, 647 { 12000000, 110294, CS42L56_MCLK_LRCLK_544 }, 648 { 24000000, 110294, CS42L56_MCLK_LRCLK_544 }, 649 /* 12k */ 650 { 6000000, 12000, CS42L56_MCLK_LRCLK_500 }, 651 { 6144000, 12000, CS42L56_MCLK_LRCLK_512 }, 652 { 12000000, 12000, CS42L56_MCLK_LRCLK_500 }, 653 { 12288000, 12000, CS42L56_MCLK_LRCLK_512 }, 654 { 24000000, 12000, CS42L56_MCLK_LRCLK_500 }, 655 { 24576000, 12000, CS42L56_MCLK_LRCLK_512 }, 656 /* 16k */ 657 { 6000000, 16000, CS42L56_MCLK_LRCLK_375 }, 658 { 6144000, 16000, CS42L56_MCLK_LRCLK_384 }, 659 { 12000000, 16000, CS42L56_MCLK_LRCLK_375 }, 660 { 12288000, 16000, CS42L56_MCLK_LRCLK_384 }, 661 { 24000000, 16000, CS42L56_MCLK_LRCLK_375 }, 662 { 24576000, 16000, CS42L56_MCLK_LRCLK_384 }, 663 /* 22.050k */ 664 { 5644800, 22050, CS42L56_MCLK_LRCLK_256 }, 665 { 11289600, 22050, CS42L56_MCLK_LRCLK_256 }, 666 { 22579200, 22050, CS42L56_MCLK_LRCLK_256 }, 667 /* 22.0588k */ 668 { 6000000, 220588, CS42L56_MCLK_LRCLK_272 }, 669 { 12000000, 220588, CS42L56_MCLK_LRCLK_272 }, 670 { 24000000, 220588, CS42L56_MCLK_LRCLK_272 }, 671 /* 24k */ 672 { 6000000, 24000, CS42L56_MCLK_LRCLK_250 }, 673 { 6144000, 24000, CS42L56_MCLK_LRCLK_256 }, 674 { 12000000, 24000, CS42L56_MCLK_LRCLK_250 }, 675 { 12288000, 24000, CS42L56_MCLK_LRCLK_256 }, 676 { 24000000, 24000, CS42L56_MCLK_LRCLK_250 }, 677 { 24576000, 24000, CS42L56_MCLK_LRCLK_256 }, 678 /* 32k */ 679 { 6000000, 32000, CS42L56_MCLK_LRCLK_187P5 }, 680 { 6144000, 32000, CS42L56_MCLK_LRCLK_192 }, 681 { 12000000, 32000, CS42L56_MCLK_LRCLK_187P5 }, 682 { 12288000, 32000, CS42L56_MCLK_LRCLK_192 }, 683 { 24000000, 32000, CS42L56_MCLK_LRCLK_187P5 }, 684 { 24576000, 32000, CS42L56_MCLK_LRCLK_192 }, 685 /* 44.118k */ 686 { 6000000, 44118, CS42L56_MCLK_LRCLK_136 }, 687 { 12000000, 44118, CS42L56_MCLK_LRCLK_136 }, 688 { 24000000, 44118, CS42L56_MCLK_LRCLK_136 }, 689 /* 44.1k */ 690 { 5644800, 44100, CS42L56_MCLK_LRCLK_128 }, 691 { 11289600, 44100, CS42L56_MCLK_LRCLK_128 }, 692 { 22579200, 44100, CS42L56_MCLK_LRCLK_128 }, 693 /* 48k */ 694 { 6000000, 48000, CS42L56_MCLK_LRCLK_125 }, 695 { 6144000, 48000, CS42L56_MCLK_LRCLK_128 }, 696 { 12000000, 48000, CS42L56_MCLK_LRCLK_125 }, 697 { 12288000, 48000, CS42L56_MCLK_LRCLK_128 }, 698 { 24000000, 48000, CS42L56_MCLK_LRCLK_125 }, 699 { 24576000, 48000, CS42L56_MCLK_LRCLK_128 }, 700 }; 701 702 static int cs42l56_get_mclk_ratio(int mclk, int rate) 703 { 704 int i; 705 706 for (i = 0; i < ARRAY_SIZE(clk_ratio_table); i++) { 707 if (clk_ratio_table[i].mclk == mclk && 708 clk_ratio_table[i].srate == rate) 709 return clk_ratio_table[i].ratio; 710 } 711 return -EINVAL; 712 } 713 714 static int cs42l56_set_sysclk(struct snd_soc_dai *codec_dai, 715 int clk_id, unsigned int freq, int dir) 716 { 717 struct snd_soc_component *component = codec_dai->component; 718 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 719 720 switch (freq) { 721 case CS42L56_MCLK_5P6448MHZ: 722 case CS42L56_MCLK_6MHZ: 723 case CS42L56_MCLK_6P144MHZ: 724 cs42l56->mclk_div2 = 0; 725 cs42l56->mclk_prediv = 0; 726 break; 727 case CS42L56_MCLK_11P2896MHZ: 728 case CS42L56_MCLK_12MHZ: 729 case CS42L56_MCLK_12P288MHZ: 730 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2; 731 cs42l56->mclk_prediv = 0; 732 break; 733 case CS42L56_MCLK_22P5792MHZ: 734 case CS42L56_MCLK_24MHZ: 735 case CS42L56_MCLK_24P576MHZ: 736 cs42l56->mclk_div2 = CS42L56_MCLK_DIV2; 737 cs42l56->mclk_prediv = CS42L56_MCLK_PREDIV; 738 break; 739 default: 740 return -EINVAL; 741 } 742 cs42l56->mclk = freq; 743 744 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, 745 CS42L56_MCLK_PREDIV_MASK, 746 cs42l56->mclk_prediv); 747 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, 748 CS42L56_MCLK_DIV2_MASK, 749 cs42l56->mclk_div2); 750 751 return 0; 752 } 753 754 static int cs42l56_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 755 { 756 struct snd_soc_component *component = codec_dai->component; 757 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 758 759 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 760 case SND_SOC_DAIFMT_CBM_CFM: 761 cs42l56->iface = CS42L56_MASTER_MODE; 762 break; 763 case SND_SOC_DAIFMT_CBS_CFS: 764 cs42l56->iface = CS42L56_SLAVE_MODE; 765 break; 766 default: 767 return -EINVAL; 768 } 769 770 /* interface format */ 771 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 772 case SND_SOC_DAIFMT_I2S: 773 cs42l56->iface_fmt = CS42L56_DIG_FMT_I2S; 774 break; 775 case SND_SOC_DAIFMT_LEFT_J: 776 cs42l56->iface_fmt = CS42L56_DIG_FMT_LEFT_J; 777 break; 778 default: 779 return -EINVAL; 780 } 781 782 /* sclk inversion */ 783 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 784 case SND_SOC_DAIFMT_NB_NF: 785 cs42l56->iface_inv = 0; 786 break; 787 case SND_SOC_DAIFMT_IB_NF: 788 cs42l56->iface_inv = CS42L56_SCLK_INV; 789 break; 790 default: 791 return -EINVAL; 792 } 793 794 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, 795 CS42L56_MS_MODE_MASK, cs42l56->iface); 796 snd_soc_component_update_bits(component, CS42L56_SERIAL_FMT, 797 CS42L56_DIG_FMT_MASK, cs42l56->iface_fmt); 798 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, 799 CS42L56_SCLK_INV_MASK, cs42l56->iface_inv); 800 return 0; 801 } 802 803 static int cs42l56_mute(struct snd_soc_dai *dai, int mute, int direction) 804 { 805 struct snd_soc_component *component = dai->component; 806 807 if (mute) { 808 /* Hit the DSP Mixer first */ 809 snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL, 810 CS42L56_ADCAMIX_MUTE_MASK | 811 CS42L56_ADCBMIX_MUTE_MASK | 812 CS42L56_PCMAMIX_MUTE_MASK | 813 CS42L56_PCMBMIX_MUTE_MASK | 814 CS42L56_MSTB_MUTE_MASK | 815 CS42L56_MSTA_MUTE_MASK, 816 CS42L56_MUTE_ALL); 817 /* Mute ADC's */ 818 snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL, 819 CS42L56_ADCA_MUTE_MASK | 820 CS42L56_ADCB_MUTE_MASK, 821 CS42L56_MUTE_ALL); 822 /* HP And LO */ 823 snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME, 824 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL); 825 snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME, 826 CS42L56_HP_MUTE_MASK, CS42L56_MUTE_ALL); 827 snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME, 828 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL); 829 snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME, 830 CS42L56_LO_MUTE_MASK, CS42L56_MUTE_ALL); 831 } else { 832 snd_soc_component_update_bits(component, CS42L56_DSP_MUTE_CTL, 833 CS42L56_ADCAMIX_MUTE_MASK | 834 CS42L56_ADCBMIX_MUTE_MASK | 835 CS42L56_PCMAMIX_MUTE_MASK | 836 CS42L56_PCMBMIX_MUTE_MASK | 837 CS42L56_MSTB_MUTE_MASK | 838 CS42L56_MSTA_MUTE_MASK, 839 CS42L56_UNMUTE); 840 841 snd_soc_component_update_bits(component, CS42L56_MISC_ADC_CTL, 842 CS42L56_ADCA_MUTE_MASK | 843 CS42L56_ADCB_MUTE_MASK, 844 CS42L56_UNMUTE); 845 846 snd_soc_component_update_bits(component, CS42L56_HPA_VOLUME, 847 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE); 848 snd_soc_component_update_bits(component, CS42L56_HPB_VOLUME, 849 CS42L56_HP_MUTE_MASK, CS42L56_UNMUTE); 850 snd_soc_component_update_bits(component, CS42L56_LOA_VOLUME, 851 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE); 852 snd_soc_component_update_bits(component, CS42L56_LOB_VOLUME, 853 CS42L56_LO_MUTE_MASK, CS42L56_UNMUTE); 854 } 855 return 0; 856 } 857 858 static int cs42l56_pcm_hw_params(struct snd_pcm_substream *substream, 859 struct snd_pcm_hw_params *params, 860 struct snd_soc_dai *dai) 861 { 862 struct snd_soc_component *component = dai->component; 863 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 864 int ratio; 865 866 ratio = cs42l56_get_mclk_ratio(cs42l56->mclk, params_rate(params)); 867 if (ratio >= 0) { 868 snd_soc_component_update_bits(component, CS42L56_CLKCTL_2, 869 CS42L56_CLK_RATIO_MASK, ratio); 870 } else { 871 dev_err(component->dev, "unsupported mclk/sclk/lrclk ratio\n"); 872 return -EINVAL; 873 } 874 875 return 0; 876 } 877 878 static int cs42l56_set_bias_level(struct snd_soc_component *component, 879 enum snd_soc_bias_level level) 880 { 881 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 882 int ret; 883 884 switch (level) { 885 case SND_SOC_BIAS_ON: 886 break; 887 case SND_SOC_BIAS_PREPARE: 888 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, 889 CS42L56_MCLK_DIS_MASK, 0); 890 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1, 891 CS42L56_PDN_ALL_MASK, 0); 892 break; 893 case SND_SOC_BIAS_STANDBY: 894 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 895 regcache_cache_only(cs42l56->regmap, false); 896 regcache_sync(cs42l56->regmap); 897 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies), 898 cs42l56->supplies); 899 if (ret != 0) { 900 dev_err(cs42l56->dev, 901 "Failed to enable regulators: %d\n", 902 ret); 903 return ret; 904 } 905 } 906 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1, 907 CS42L56_PDN_ALL_MASK, 1); 908 break; 909 case SND_SOC_BIAS_OFF: 910 snd_soc_component_update_bits(component, CS42L56_PWRCTL_1, 911 CS42L56_PDN_ALL_MASK, 1); 912 snd_soc_component_update_bits(component, CS42L56_CLKCTL_1, 913 CS42L56_MCLK_DIS_MASK, 1); 914 regcache_cache_only(cs42l56->regmap, true); 915 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies), 916 cs42l56->supplies); 917 break; 918 } 919 920 return 0; 921 } 922 923 #define CS42L56_RATES (SNDRV_PCM_RATE_8000_48000) 924 925 #define CS42L56_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \ 926 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE | \ 927 SNDRV_PCM_FMTBIT_S32_LE) 928 929 930 static const struct snd_soc_dai_ops cs42l56_ops = { 931 .hw_params = cs42l56_pcm_hw_params, 932 .mute_stream = cs42l56_mute, 933 .set_fmt = cs42l56_set_dai_fmt, 934 .set_sysclk = cs42l56_set_sysclk, 935 .no_capture_mute = 1, 936 }; 937 938 static struct snd_soc_dai_driver cs42l56_dai = { 939 .name = "cs42l56", 940 .playback = { 941 .stream_name = "HiFi Playback", 942 .channels_min = 1, 943 .channels_max = 2, 944 .rates = CS42L56_RATES, 945 .formats = CS42L56_FORMATS, 946 }, 947 .capture = { 948 .stream_name = "HiFi Capture", 949 .channels_min = 1, 950 .channels_max = 2, 951 .rates = CS42L56_RATES, 952 .formats = CS42L56_FORMATS, 953 }, 954 .ops = &cs42l56_ops, 955 }; 956 957 static int beep_freq[] = { 958 261, 522, 585, 667, 706, 774, 889, 1000, 959 1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182 960 }; 961 962 static void cs42l56_beep_work(struct work_struct *work) 963 { 964 struct cs42l56_private *cs42l56 = 965 container_of(work, struct cs42l56_private, beep_work); 966 struct snd_soc_component *component = cs42l56->component; 967 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 968 int i; 969 int val = 0; 970 int best = 0; 971 972 if (cs42l56->beep_rate) { 973 for (i = 0; i < ARRAY_SIZE(beep_freq); i++) { 974 if (abs(cs42l56->beep_rate - beep_freq[i]) < 975 abs(cs42l56->beep_rate - beep_freq[best])) 976 best = i; 977 } 978 979 dev_dbg(component->dev, "Set beep rate %dHz for requested %dHz\n", 980 beep_freq[best], cs42l56->beep_rate); 981 982 val = (best << CS42L56_BEEP_RATE_SHIFT); 983 984 snd_soc_dapm_enable_pin(dapm, "Beep"); 985 } else { 986 dev_dbg(component->dev, "Disabling beep\n"); 987 snd_soc_dapm_disable_pin(dapm, "Beep"); 988 } 989 990 snd_soc_component_update_bits(component, CS42L56_BEEP_FREQ_ONTIME, 991 CS42L56_BEEP_FREQ_MASK, val); 992 993 snd_soc_dapm_sync(dapm); 994 } 995 996 /* For usability define a way of injecting beep events for the device - 997 * many systems will not have a keyboard. 998 */ 999 static int cs42l56_beep_event(struct input_dev *dev, unsigned int type, 1000 unsigned int code, int hz) 1001 { 1002 struct snd_soc_component *component = input_get_drvdata(dev); 1003 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 1004 1005 dev_dbg(component->dev, "Beep event %x %x\n", code, hz); 1006 1007 switch (code) { 1008 case SND_BELL: 1009 if (hz) 1010 hz = 261; 1011 break; 1012 case SND_TONE: 1013 break; 1014 default: 1015 return -1; 1016 } 1017 1018 /* Kick the beep from a workqueue */ 1019 cs42l56->beep_rate = hz; 1020 schedule_work(&cs42l56->beep_work); 1021 return 0; 1022 } 1023 1024 static ssize_t cs42l56_beep_set(struct device *dev, 1025 struct device_attribute *attr, 1026 const char *buf, size_t count) 1027 { 1028 struct cs42l56_private *cs42l56 = dev_get_drvdata(dev); 1029 long int time; 1030 int ret; 1031 1032 ret = kstrtol(buf, 10, &time); 1033 if (ret != 0) 1034 return ret; 1035 1036 input_event(cs42l56->beep, EV_SND, SND_TONE, time); 1037 1038 return count; 1039 } 1040 1041 static DEVICE_ATTR(beep, 0200, NULL, cs42l56_beep_set); 1042 1043 static void cs42l56_init_beep(struct snd_soc_component *component) 1044 { 1045 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 1046 int ret; 1047 1048 cs42l56->beep = devm_input_allocate_device(component->dev); 1049 if (!cs42l56->beep) { 1050 dev_err(component->dev, "Failed to allocate beep device\n"); 1051 return; 1052 } 1053 1054 INIT_WORK(&cs42l56->beep_work, cs42l56_beep_work); 1055 cs42l56->beep_rate = 0; 1056 1057 cs42l56->beep->name = "CS42L56 Beep Generator"; 1058 cs42l56->beep->phys = dev_name(component->dev); 1059 cs42l56->beep->id.bustype = BUS_I2C; 1060 1061 cs42l56->beep->evbit[0] = BIT_MASK(EV_SND); 1062 cs42l56->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); 1063 cs42l56->beep->event = cs42l56_beep_event; 1064 cs42l56->beep->dev.parent = component->dev; 1065 input_set_drvdata(cs42l56->beep, component); 1066 1067 ret = input_register_device(cs42l56->beep); 1068 if (ret != 0) { 1069 cs42l56->beep = NULL; 1070 dev_err(component->dev, "Failed to register beep device\n"); 1071 } 1072 1073 ret = device_create_file(component->dev, &dev_attr_beep); 1074 if (ret != 0) { 1075 dev_err(component->dev, "Failed to create keyclick file: %d\n", 1076 ret); 1077 } 1078 } 1079 1080 static void cs42l56_free_beep(struct snd_soc_component *component) 1081 { 1082 struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component); 1083 1084 device_remove_file(component->dev, &dev_attr_beep); 1085 cancel_work_sync(&cs42l56->beep_work); 1086 cs42l56->beep = NULL; 1087 1088 snd_soc_component_update_bits(component, CS42L56_BEEP_TONE_CFG, 1089 CS42L56_BEEP_EN_MASK, 0); 1090 } 1091 1092 static int cs42l56_probe(struct snd_soc_component *component) 1093 { 1094 cs42l56_init_beep(component); 1095 1096 return 0; 1097 } 1098 1099 static void cs42l56_remove(struct snd_soc_component *component) 1100 { 1101 cs42l56_free_beep(component); 1102 } 1103 1104 static const struct snd_soc_component_driver soc_component_dev_cs42l56 = { 1105 .probe = cs42l56_probe, 1106 .remove = cs42l56_remove, 1107 .set_bias_level = cs42l56_set_bias_level, 1108 .controls = cs42l56_snd_controls, 1109 .num_controls = ARRAY_SIZE(cs42l56_snd_controls), 1110 .dapm_widgets = cs42l56_dapm_widgets, 1111 .num_dapm_widgets = ARRAY_SIZE(cs42l56_dapm_widgets), 1112 .dapm_routes = cs42l56_audio_map, 1113 .num_dapm_routes = ARRAY_SIZE(cs42l56_audio_map), 1114 .suspend_bias_off = 1, 1115 .idle_bias_on = 1, 1116 .use_pmdown_time = 1, 1117 .endianness = 1, 1118 .non_legacy_dai_naming = 1, 1119 }; 1120 1121 static const struct regmap_config cs42l56_regmap = { 1122 .reg_bits = 8, 1123 .val_bits = 8, 1124 1125 .max_register = CS42L56_MAX_REGISTER, 1126 .reg_defaults = cs42l56_reg_defaults, 1127 .num_reg_defaults = ARRAY_SIZE(cs42l56_reg_defaults), 1128 .readable_reg = cs42l56_readable_register, 1129 .volatile_reg = cs42l56_volatile_register, 1130 .cache_type = REGCACHE_RBTREE, 1131 }; 1132 1133 static int cs42l56_handle_of_data(struct i2c_client *i2c_client, 1134 struct cs42l56_platform_data *pdata) 1135 { 1136 struct device_node *np = i2c_client->dev.of_node; 1137 u32 val32; 1138 1139 if (of_property_read_bool(np, "cirrus,ain1a-reference-cfg")) 1140 pdata->ain1a_ref_cfg = true; 1141 1142 if (of_property_read_bool(np, "cirrus,ain2a-reference-cfg")) 1143 pdata->ain2a_ref_cfg = true; 1144 1145 if (of_property_read_bool(np, "cirrus,ain1b-reference-cfg")) 1146 pdata->ain1b_ref_cfg = true; 1147 1148 if (of_property_read_bool(np, "cirrus,ain2b-reference-cfg")) 1149 pdata->ain2b_ref_cfg = true; 1150 1151 if (of_property_read_u32(np, "cirrus,micbias-lvl", &val32) >= 0) 1152 pdata->micbias_lvl = val32; 1153 1154 if (of_property_read_u32(np, "cirrus,chgfreq-divisor", &val32) >= 0) 1155 pdata->chgfreq = val32; 1156 1157 if (of_property_read_u32(np, "cirrus,adaptive-pwr-cfg", &val32) >= 0) 1158 pdata->adaptive_pwr = val32; 1159 1160 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0) 1161 pdata->hpfa_freq = val32; 1162 1163 if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0) 1164 pdata->hpfb_freq = val32; 1165 1166 pdata->gpio_nreset = of_get_named_gpio(np, "cirrus,gpio-nreset", 0); 1167 1168 return 0; 1169 } 1170 1171 static int cs42l56_i2c_probe(struct i2c_client *i2c_client, 1172 const struct i2c_device_id *id) 1173 { 1174 struct cs42l56_private *cs42l56; 1175 struct cs42l56_platform_data *pdata = 1176 dev_get_platdata(&i2c_client->dev); 1177 int ret, i; 1178 unsigned int devid = 0; 1179 unsigned int alpha_rev, metal_rev; 1180 unsigned int reg; 1181 1182 cs42l56 = devm_kzalloc(&i2c_client->dev, sizeof(*cs42l56), GFP_KERNEL); 1183 if (cs42l56 == NULL) 1184 return -ENOMEM; 1185 cs42l56->dev = &i2c_client->dev; 1186 1187 cs42l56->regmap = devm_regmap_init_i2c(i2c_client, &cs42l56_regmap); 1188 if (IS_ERR(cs42l56->regmap)) { 1189 ret = PTR_ERR(cs42l56->regmap); 1190 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret); 1191 return ret; 1192 } 1193 1194 if (pdata) { 1195 cs42l56->pdata = *pdata; 1196 } else { 1197 pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata), 1198 GFP_KERNEL); 1199 if (!pdata) 1200 return -ENOMEM; 1201 1202 if (i2c_client->dev.of_node) { 1203 ret = cs42l56_handle_of_data(i2c_client, 1204 &cs42l56->pdata); 1205 if (ret != 0) 1206 return ret; 1207 } 1208 cs42l56->pdata = *pdata; 1209 } 1210 1211 if (cs42l56->pdata.gpio_nreset) { 1212 ret = gpio_request_one(cs42l56->pdata.gpio_nreset, 1213 GPIOF_OUT_INIT_HIGH, "CS42L56 /RST"); 1214 if (ret < 0) { 1215 dev_err(&i2c_client->dev, 1216 "Failed to request /RST %d: %d\n", 1217 cs42l56->pdata.gpio_nreset, ret); 1218 return ret; 1219 } 1220 gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0); 1221 gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1); 1222 } 1223 1224 1225 i2c_set_clientdata(i2c_client, cs42l56); 1226 1227 for (i = 0; i < ARRAY_SIZE(cs42l56->supplies); i++) 1228 cs42l56->supplies[i].supply = cs42l56_supply_names[i]; 1229 1230 ret = devm_regulator_bulk_get(&i2c_client->dev, 1231 ARRAY_SIZE(cs42l56->supplies), 1232 cs42l56->supplies); 1233 if (ret != 0) { 1234 dev_err(&i2c_client->dev, 1235 "Failed to request supplies: %d\n", ret); 1236 return ret; 1237 } 1238 1239 ret = regulator_bulk_enable(ARRAY_SIZE(cs42l56->supplies), 1240 cs42l56->supplies); 1241 if (ret != 0) { 1242 dev_err(&i2c_client->dev, 1243 "Failed to enable supplies: %d\n", ret); 1244 return ret; 1245 } 1246 1247 ret = regmap_read(cs42l56->regmap, CS42L56_CHIP_ID_1, ®); 1248 devid = reg & CS42L56_CHIP_ID_MASK; 1249 if (devid != CS42L56_DEVID) { 1250 dev_err(&i2c_client->dev, 1251 "CS42L56 Device ID (%X). Expected %X\n", 1252 devid, CS42L56_DEVID); 1253 ret = -EINVAL; 1254 goto err_enable; 1255 } 1256 alpha_rev = reg & CS42L56_AREV_MASK; 1257 metal_rev = reg & CS42L56_MTLREV_MASK; 1258 1259 dev_info(&i2c_client->dev, "Cirrus Logic CS42L56 "); 1260 dev_info(&i2c_client->dev, "Alpha Rev %X Metal Rev %X\n", 1261 alpha_rev, metal_rev); 1262 1263 if (cs42l56->pdata.ain1a_ref_cfg) 1264 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, 1265 CS42L56_AIN1A_REF_MASK, 1266 CS42L56_AIN1A_REF_MASK); 1267 1268 if (cs42l56->pdata.ain1b_ref_cfg) 1269 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, 1270 CS42L56_AIN1B_REF_MASK, 1271 CS42L56_AIN1B_REF_MASK); 1272 1273 if (cs42l56->pdata.ain2a_ref_cfg) 1274 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, 1275 CS42L56_AIN2A_REF_MASK, 1276 CS42L56_AIN2A_REF_MASK); 1277 1278 if (cs42l56->pdata.ain2b_ref_cfg) 1279 regmap_update_bits(cs42l56->regmap, CS42L56_AIN_REFCFG_ADC_MUX, 1280 CS42L56_AIN2B_REF_MASK, 1281 CS42L56_AIN2B_REF_MASK); 1282 1283 if (cs42l56->pdata.micbias_lvl) 1284 regmap_update_bits(cs42l56->regmap, CS42L56_GAIN_BIAS_CTL, 1285 CS42L56_MIC_BIAS_MASK, 1286 cs42l56->pdata.micbias_lvl); 1287 1288 if (cs42l56->pdata.chgfreq) 1289 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL, 1290 CS42L56_CHRG_FREQ_MASK, 1291 cs42l56->pdata.chgfreq); 1292 1293 if (cs42l56->pdata.hpfb_freq) 1294 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL, 1295 CS42L56_HPFB_FREQ_MASK, 1296 cs42l56->pdata.hpfb_freq); 1297 1298 if (cs42l56->pdata.hpfa_freq) 1299 regmap_update_bits(cs42l56->regmap, CS42L56_HPF_CTL, 1300 CS42L56_HPFA_FREQ_MASK, 1301 cs42l56->pdata.hpfa_freq); 1302 1303 if (cs42l56->pdata.adaptive_pwr) 1304 regmap_update_bits(cs42l56->regmap, CS42L56_CLASSH_CTL, 1305 CS42L56_ADAPT_PWR_MASK, 1306 cs42l56->pdata.adaptive_pwr); 1307 1308 ret = devm_snd_soc_register_component(&i2c_client->dev, 1309 &soc_component_dev_cs42l56, &cs42l56_dai, 1); 1310 if (ret < 0) 1311 goto err_enable; 1312 1313 return 0; 1314 1315 err_enable: 1316 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies), 1317 cs42l56->supplies); 1318 return ret; 1319 } 1320 1321 static int cs42l56_i2c_remove(struct i2c_client *client) 1322 { 1323 struct cs42l56_private *cs42l56 = i2c_get_clientdata(client); 1324 1325 regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies), 1326 cs42l56->supplies); 1327 return 0; 1328 } 1329 1330 static const struct of_device_id cs42l56_of_match[] = { 1331 { .compatible = "cirrus,cs42l56", }, 1332 { } 1333 }; 1334 MODULE_DEVICE_TABLE(of, cs42l56_of_match); 1335 1336 1337 static const struct i2c_device_id cs42l56_id[] = { 1338 { "cs42l56", 0 }, 1339 { } 1340 }; 1341 MODULE_DEVICE_TABLE(i2c, cs42l56_id); 1342 1343 static struct i2c_driver cs42l56_i2c_driver = { 1344 .driver = { 1345 .name = "cs42l56", 1346 .of_match_table = cs42l56_of_match, 1347 }, 1348 .id_table = cs42l56_id, 1349 .probe = cs42l56_i2c_probe, 1350 .remove = cs42l56_i2c_remove, 1351 }; 1352 1353 module_i2c_driver(cs42l56_i2c_driver); 1354 1355 MODULE_DESCRIPTION("ASoC CS42L56 driver"); 1356 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>"); 1357 MODULE_LICENSE("GPL"); 1358