1 /* 2 * cs42l52.c -- CS42L52 ALSA SoC audio driver 3 * 4 * Copyright 2012 CirrusLogic, Inc. 5 * 6 * Author: Georgi Vlaev <joe@nucleusys.com> 7 * Author: Brian Austin <brian.austin@cirrus.com> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 */ 14 15 #include <linux/module.h> 16 #include <linux/moduleparam.h> 17 #include <linux/kernel.h> 18 #include <linux/init.h> 19 #include <linux/delay.h> 20 #include <linux/pm.h> 21 #include <linux/i2c.h> 22 #include <linux/input.h> 23 #include <linux/regmap.h> 24 #include <linux/slab.h> 25 #include <linux/workqueue.h> 26 #include <linux/platform_device.h> 27 #include <sound/core.h> 28 #include <sound/pcm.h> 29 #include <sound/pcm_params.h> 30 #include <sound/soc.h> 31 #include <sound/soc-dapm.h> 32 #include <sound/initval.h> 33 #include <sound/tlv.h> 34 #include <sound/cs42l52.h> 35 #include "cs42l52.h" 36 37 struct sp_config { 38 u8 spc, format, spfs; 39 u32 srate; 40 }; 41 42 struct cs42l52_private { 43 struct regmap *regmap; 44 struct snd_soc_codec *codec; 45 struct device *dev; 46 struct sp_config config; 47 struct cs42l52_platform_data pdata; 48 u32 sysclk; 49 u8 mclksel; 50 u32 mclk; 51 u8 flags; 52 #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) 53 struct input_dev *beep; 54 struct work_struct beep_work; 55 int beep_rate; 56 #endif 57 }; 58 59 static const struct reg_default cs42l52_reg_defaults[] = { 60 { CS42L52_PWRCTL1, 0x9F }, /* r02 PWRCTL 1 */ 61 { CS42L52_PWRCTL2, 0x07 }, /* r03 PWRCTL 2 */ 62 { CS42L52_PWRCTL3, 0xFF }, /* r04 PWRCTL 3 */ 63 { CS42L52_CLK_CTL, 0xA0 }, /* r05 Clocking Ctl */ 64 { CS42L52_IFACE_CTL1, 0x00 }, /* r06 Interface Ctl 1 */ 65 { CS42L52_ADC_PGA_A, 0x80 }, /* r08 Input A Select */ 66 { CS42L52_ADC_PGA_B, 0x80 }, /* r09 Input B Select */ 67 { CS42L52_ANALOG_HPF_CTL, 0xA5 }, /* r0A Analog HPF Ctl */ 68 { CS42L52_ADC_HPF_FREQ, 0x00 }, /* r0B ADC HPF Corner Freq */ 69 { CS42L52_ADC_MISC_CTL, 0x00 }, /* r0C Misc. ADC Ctl */ 70 { CS42L52_PB_CTL1, 0x60 }, /* r0D Playback Ctl 1 */ 71 { CS42L52_MISC_CTL, 0x02 }, /* r0E Misc. Ctl */ 72 { CS42L52_PB_CTL2, 0x00 }, /* r0F Playback Ctl 2 */ 73 { CS42L52_MICA_CTL, 0x00 }, /* r10 MICA Amp Ctl */ 74 { CS42L52_MICB_CTL, 0x00 }, /* r11 MICB Amp Ctl */ 75 { CS42L52_PGAA_CTL, 0x00 }, /* r12 PGAA Vol, Misc. */ 76 { CS42L52_PGAB_CTL, 0x00 }, /* r13 PGAB Vol, Misc. */ 77 { CS42L52_PASSTHRUA_VOL, 0x00 }, /* r14 Bypass A Vol */ 78 { CS42L52_PASSTHRUB_VOL, 0x00 }, /* r15 Bypass B Vol */ 79 { CS42L52_ADCA_VOL, 0x00 }, /* r16 ADCA Volume */ 80 { CS42L52_ADCB_VOL, 0x00 }, /* r17 ADCB Volume */ 81 { CS42L52_ADCA_MIXER_VOL, 0x80 }, /* r18 ADCA Mixer Volume */ 82 { CS42L52_ADCB_MIXER_VOL, 0x80 }, /* r19 ADCB Mixer Volume */ 83 { CS42L52_PCMA_MIXER_VOL, 0x00 }, /* r1A PCMA Mixer Volume */ 84 { CS42L52_PCMB_MIXER_VOL, 0x00 }, /* r1B PCMB Mixer Volume */ 85 { CS42L52_BEEP_FREQ, 0x00 }, /* r1C Beep Freq on Time */ 86 { CS42L52_BEEP_VOL, 0x00 }, /* r1D Beep Volume off Time */ 87 { CS42L52_BEEP_TONE_CTL, 0x00 }, /* r1E Beep Tone Cfg. */ 88 { CS42L52_TONE_CTL, 0x00 }, /* r1F Tone Ctl */ 89 { CS42L52_MASTERA_VOL, 0x00 }, /* r20 Master A Volume */ 90 { CS42L52_MASTERB_VOL, 0x00 }, /* r21 Master B Volume */ 91 { CS42L52_HPA_VOL, 0x00 }, /* r22 Headphone A Volume */ 92 { CS42L52_HPB_VOL, 0x00 }, /* r23 Headphone B Volume */ 93 { CS42L52_SPKA_VOL, 0x00 }, /* r24 Speaker A Volume */ 94 { CS42L52_SPKB_VOL, 0x00 }, /* r25 Speaker B Volume */ 95 { CS42L52_ADC_PCM_MIXER, 0x00 }, /* r26 Channel Mixer and Swap */ 96 { CS42L52_LIMITER_CTL1, 0x00 }, /* r27 Limit Ctl 1 Thresholds */ 97 { CS42L52_LIMITER_CTL2, 0x7F }, /* r28 Limit Ctl 2 Release Rate */ 98 { CS42L52_LIMITER_AT_RATE, 0xC0 }, /* r29 Limiter Attack Rate */ 99 { CS42L52_ALC_CTL, 0x00 }, /* r2A ALC Ctl 1 Attack Rate */ 100 { CS42L52_ALC_RATE, 0x3F }, /* r2B ALC Release Rate */ 101 { CS42L52_ALC_THRESHOLD, 0x3f }, /* r2C ALC Thresholds */ 102 { CS42L52_NOISE_GATE_CTL, 0x00 }, /* r2D Noise Gate Ctl */ 103 { CS42L52_CLK_STATUS, 0x00 }, /* r2E Overflow and Clock Status */ 104 { CS42L52_BATT_COMPEN, 0x00 }, /* r2F battery Compensation */ 105 { CS42L52_BATT_LEVEL, 0x00 }, /* r30 VP Battery Level */ 106 { CS42L52_SPK_STATUS, 0x00 }, /* r31 Speaker Status */ 107 { CS42L52_TEM_CTL, 0x3B }, /* r32 Temp Ctl */ 108 { CS42L52_THE_FOLDBACK, 0x00 }, /* r33 Foldback */ 109 }; 110 111 static bool cs42l52_readable_register(struct device *dev, unsigned int reg) 112 { 113 switch (reg) { 114 case CS42L52_CHIP: 115 case CS42L52_PWRCTL1: 116 case CS42L52_PWRCTL2: 117 case CS42L52_PWRCTL3: 118 case CS42L52_CLK_CTL: 119 case CS42L52_IFACE_CTL1: 120 case CS42L52_IFACE_CTL2: 121 case CS42L52_ADC_PGA_A: 122 case CS42L52_ADC_PGA_B: 123 case CS42L52_ANALOG_HPF_CTL: 124 case CS42L52_ADC_HPF_FREQ: 125 case CS42L52_ADC_MISC_CTL: 126 case CS42L52_PB_CTL1: 127 case CS42L52_MISC_CTL: 128 case CS42L52_PB_CTL2: 129 case CS42L52_MICA_CTL: 130 case CS42L52_MICB_CTL: 131 case CS42L52_PGAA_CTL: 132 case CS42L52_PGAB_CTL: 133 case CS42L52_PASSTHRUA_VOL: 134 case CS42L52_PASSTHRUB_VOL: 135 case CS42L52_ADCA_VOL: 136 case CS42L52_ADCB_VOL: 137 case CS42L52_ADCA_MIXER_VOL: 138 case CS42L52_ADCB_MIXER_VOL: 139 case CS42L52_PCMA_MIXER_VOL: 140 case CS42L52_PCMB_MIXER_VOL: 141 case CS42L52_BEEP_FREQ: 142 case CS42L52_BEEP_VOL: 143 case CS42L52_BEEP_TONE_CTL: 144 case CS42L52_TONE_CTL: 145 case CS42L52_MASTERA_VOL: 146 case CS42L52_MASTERB_VOL: 147 case CS42L52_HPA_VOL: 148 case CS42L52_HPB_VOL: 149 case CS42L52_SPKA_VOL: 150 case CS42L52_SPKB_VOL: 151 case CS42L52_ADC_PCM_MIXER: 152 case CS42L52_LIMITER_CTL1: 153 case CS42L52_LIMITER_CTL2: 154 case CS42L52_LIMITER_AT_RATE: 155 case CS42L52_ALC_CTL: 156 case CS42L52_ALC_RATE: 157 case CS42L52_ALC_THRESHOLD: 158 case CS42L52_NOISE_GATE_CTL: 159 case CS42L52_CLK_STATUS: 160 case CS42L52_BATT_COMPEN: 161 case CS42L52_BATT_LEVEL: 162 case CS42L52_SPK_STATUS: 163 case CS42L52_TEM_CTL: 164 case CS42L52_THE_FOLDBACK: 165 case CS42L52_CHARGE_PUMP: 166 return true; 167 default: 168 return false; 169 } 170 } 171 172 static bool cs42l52_volatile_register(struct device *dev, unsigned int reg) 173 { 174 switch (reg) { 175 case CS42L52_IFACE_CTL2: 176 case CS42L52_CLK_STATUS: 177 case CS42L52_BATT_LEVEL: 178 case CS42L52_SPK_STATUS: 179 case CS42L52_CHARGE_PUMP: 180 return 1; 181 default: 182 return 0; 183 } 184 } 185 186 static DECLARE_TLV_DB_SCALE(hl_tlv, -10200, 50, 0); 187 188 static DECLARE_TLV_DB_SCALE(hpd_tlv, -9600, 50, 1); 189 190 static DECLARE_TLV_DB_SCALE(ipd_tlv, -9600, 100, 0); 191 192 static DECLARE_TLV_DB_SCALE(mic_tlv, 1600, 100, 0); 193 194 static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0); 195 196 static DECLARE_TLV_DB_SCALE(mix_tlv, -50, 50, 0); 197 198 static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0); 199 200 static const unsigned int limiter_tlv[] = { 201 TLV_DB_RANGE_HEAD(2), 202 0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0), 203 3, 7, TLV_DB_SCALE_ITEM(-1200, 300, 0), 204 }; 205 206 static const char * const cs42l52_adca_text[] = { 207 "Input1A", "Input2A", "Input3A", "Input4A", "PGA Input Left"}; 208 209 static const char * const cs42l52_adcb_text[] = { 210 "Input1B", "Input2B", "Input3B", "Input4B", "PGA Input Right"}; 211 212 static const struct soc_enum adca_enum = 213 SOC_ENUM_SINGLE(CS42L52_ADC_PGA_A, 5, 214 ARRAY_SIZE(cs42l52_adca_text), cs42l52_adca_text); 215 216 static const struct soc_enum adcb_enum = 217 SOC_ENUM_SINGLE(CS42L52_ADC_PGA_B, 5, 218 ARRAY_SIZE(cs42l52_adcb_text), cs42l52_adcb_text); 219 220 static const struct snd_kcontrol_new adca_mux = 221 SOC_DAPM_ENUM("Left ADC Input Capture Mux", adca_enum); 222 223 static const struct snd_kcontrol_new adcb_mux = 224 SOC_DAPM_ENUM("Right ADC Input Capture Mux", adcb_enum); 225 226 static const char * const mic_bias_level_text[] = { 227 "0.5 +VA", "0.6 +VA", "0.7 +VA", 228 "0.8 +VA", "0.83 +VA", "0.91 +VA" 229 }; 230 231 static const struct soc_enum mic_bias_level_enum = 232 SOC_ENUM_SINGLE(CS42L52_IFACE_CTL2, 0, 233 ARRAY_SIZE(mic_bias_level_text), mic_bias_level_text); 234 235 static const char * const cs42l52_mic_text[] = { "Single", "Differential" }; 236 237 static const struct soc_enum mica_enum = 238 SOC_ENUM_SINGLE(CS42L52_MICA_CTL, 5, 239 ARRAY_SIZE(cs42l52_mic_text), cs42l52_mic_text); 240 241 static const struct soc_enum micb_enum = 242 SOC_ENUM_SINGLE(CS42L52_MICB_CTL, 5, 243 ARRAY_SIZE(cs42l52_mic_text), cs42l52_mic_text); 244 245 static const struct snd_kcontrol_new mica_mux = 246 SOC_DAPM_ENUM("Left Mic Input Capture Mux", mica_enum); 247 248 static const struct snd_kcontrol_new micb_mux = 249 SOC_DAPM_ENUM("Right Mic Input Capture Mux", micb_enum); 250 251 static const char * const digital_output_mux_text[] = {"ADC", "DSP"}; 252 253 static const struct soc_enum digital_output_mux_enum = 254 SOC_ENUM_SINGLE(CS42L52_ADC_MISC_CTL, 6, 255 ARRAY_SIZE(digital_output_mux_text), 256 digital_output_mux_text); 257 258 static const struct snd_kcontrol_new digital_output_mux = 259 SOC_DAPM_ENUM("Digital Output Mux", digital_output_mux_enum); 260 261 static const char * const hp_gain_num_text[] = { 262 "0.3959", "0.4571", "0.5111", "0.6047", 263 "0.7099", "0.8399", "1.000", "1.1430" 264 }; 265 266 static const struct soc_enum hp_gain_enum = 267 SOC_ENUM_SINGLE(CS42L52_PB_CTL1, 5, 268 ARRAY_SIZE(hp_gain_num_text), hp_gain_num_text); 269 270 static const char * const beep_pitch_text[] = { 271 "C4", "C5", "D5", "E5", "F5", "G5", "A5", "B5", 272 "C6", "D6", "E6", "F6", "G6", "A6", "B6", "C7" 273 }; 274 275 static const struct soc_enum beep_pitch_enum = 276 SOC_ENUM_SINGLE(CS42L52_BEEP_FREQ, 4, 277 ARRAY_SIZE(beep_pitch_text), beep_pitch_text); 278 279 static const char * const beep_ontime_text[] = { 280 "86 ms", "430 ms", "780 ms", "1.20 s", "1.50 s", 281 "1.80 s", "2.20 s", "2.50 s", "2.80 s", "3.20 s", 282 "3.50 s", "3.80 s", "4.20 s", "4.50 s", "4.80 s", "5.20 s" 283 }; 284 285 static const struct soc_enum beep_ontime_enum = 286 SOC_ENUM_SINGLE(CS42L52_BEEP_FREQ, 0, 287 ARRAY_SIZE(beep_ontime_text), beep_ontime_text); 288 289 static const char * const beep_offtime_text[] = { 290 "1.23 s", "2.58 s", "3.90 s", "5.20 s", 291 "6.60 s", "8.05 s", "9.35 s", "10.80 s" 292 }; 293 294 static const struct soc_enum beep_offtime_enum = 295 SOC_ENUM_SINGLE(CS42L52_BEEP_VOL, 5, 296 ARRAY_SIZE(beep_offtime_text), beep_offtime_text); 297 298 static const char * const beep_config_text[] = { 299 "Off", "Single", "Multiple", "Continuous" 300 }; 301 302 static const struct soc_enum beep_config_enum = 303 SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 6, 304 ARRAY_SIZE(beep_config_text), beep_config_text); 305 306 static const char * const beep_bass_text[] = { 307 "50 Hz", "100 Hz", "200 Hz", "250 Hz" 308 }; 309 310 static const struct soc_enum beep_bass_enum = 311 SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 1, 312 ARRAY_SIZE(beep_bass_text), beep_bass_text); 313 314 static const char * const beep_treble_text[] = { 315 "5 kHz", "7 kHz", "10 kHz", " 15 kHz" 316 }; 317 318 static const struct soc_enum beep_treble_enum = 319 SOC_ENUM_SINGLE(CS42L52_BEEP_TONE_CTL, 3, 320 ARRAY_SIZE(beep_treble_text), beep_treble_text); 321 322 static const char * const ng_threshold_text[] = { 323 "-34dB", "-37dB", "-40dB", "-43dB", 324 "-46dB", "-52dB", "-58dB", "-64dB" 325 }; 326 327 static const struct soc_enum ng_threshold_enum = 328 SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 2, 329 ARRAY_SIZE(ng_threshold_text), ng_threshold_text); 330 331 static const char * const cs42l52_ng_delay_text[] = { 332 "50ms", "100ms", "150ms", "200ms"}; 333 334 static const struct soc_enum ng_delay_enum = 335 SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 0, 336 ARRAY_SIZE(cs42l52_ng_delay_text), cs42l52_ng_delay_text); 337 338 static const char * const cs42l52_ng_type_text[] = { 339 "Apply Specific", "Apply All" 340 }; 341 342 static const struct soc_enum ng_type_enum = 343 SOC_ENUM_SINGLE(CS42L52_NOISE_GATE_CTL, 6, 344 ARRAY_SIZE(cs42l52_ng_type_text), cs42l52_ng_type_text); 345 346 static const char * const left_swap_text[] = { 347 "Left", "LR 2", "Right"}; 348 349 static const char * const right_swap_text[] = { 350 "Right", "LR 2", "Left"}; 351 352 static const unsigned int swap_values[] = { 0, 1, 3 }; 353 354 static const struct soc_enum adca_swap_enum = 355 SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 2, 1, 356 ARRAY_SIZE(left_swap_text), 357 left_swap_text, 358 swap_values); 359 360 static const struct snd_kcontrol_new adca_mixer = 361 SOC_DAPM_ENUM("Route", adca_swap_enum); 362 363 static const struct soc_enum pcma_swap_enum = 364 SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 6, 1, 365 ARRAY_SIZE(left_swap_text), 366 left_swap_text, 367 swap_values); 368 369 static const struct snd_kcontrol_new pcma_mixer = 370 SOC_DAPM_ENUM("Route", pcma_swap_enum); 371 372 static const struct soc_enum adcb_swap_enum = 373 SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 0, 1, 374 ARRAY_SIZE(right_swap_text), 375 right_swap_text, 376 swap_values); 377 378 static const struct snd_kcontrol_new adcb_mixer = 379 SOC_DAPM_ENUM("Route", adcb_swap_enum); 380 381 static const struct soc_enum pcmb_swap_enum = 382 SOC_VALUE_ENUM_SINGLE(CS42L52_ADC_PCM_MIXER, 4, 1, 383 ARRAY_SIZE(right_swap_text), 384 right_swap_text, 385 swap_values); 386 387 static const struct snd_kcontrol_new pcmb_mixer = 388 SOC_DAPM_ENUM("Route", pcmb_swap_enum); 389 390 391 static const struct snd_kcontrol_new passthrul_ctl = 392 SOC_DAPM_SINGLE("Switch", CS42L52_MISC_CTL, 6, 1, 0); 393 394 static const struct snd_kcontrol_new passthrur_ctl = 395 SOC_DAPM_SINGLE("Switch", CS42L52_MISC_CTL, 7, 1, 0); 396 397 static const struct snd_kcontrol_new spkl_ctl = 398 SOC_DAPM_SINGLE("Switch", CS42L52_PWRCTL3, 0, 1, 1); 399 400 static const struct snd_kcontrol_new spkr_ctl = 401 SOC_DAPM_SINGLE("Switch", CS42L52_PWRCTL3, 2, 1, 1); 402 403 static const struct snd_kcontrol_new hpl_ctl = 404 SOC_DAPM_SINGLE("Switch", CS42L52_PWRCTL3, 4, 1, 1); 405 406 static const struct snd_kcontrol_new hpr_ctl = 407 SOC_DAPM_SINGLE("Switch", CS42L52_PWRCTL3, 6, 1, 1); 408 409 static const struct snd_kcontrol_new cs42l52_snd_controls[] = { 410 411 SOC_DOUBLE_R_SX_TLV("Master Volume", CS42L52_MASTERA_VOL, 412 CS42L52_MASTERB_VOL, 0, 0x34, 0xE4, hl_tlv), 413 414 SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L52_HPA_VOL, 415 CS42L52_HPB_VOL, 0, 0x34, 0xCC, hpd_tlv), 416 417 SOC_ENUM("Headphone Analog Gain", hp_gain_enum), 418 419 SOC_DOUBLE_R_SX_TLV("Speaker Volume", CS42L52_SPKA_VOL, 420 CS42L52_SPKB_VOL, 0, 0x1, 0xff, hl_tlv), 421 422 SOC_DOUBLE_R_SX_TLV("Bypass Volume", CS42L52_PASSTHRUA_VOL, 423 CS42L52_PASSTHRUB_VOL, 6, 0x18, 0x90, pga_tlv), 424 425 SOC_DOUBLE("Bypass Mute", CS42L52_MISC_CTL, 4, 5, 1, 0), 426 427 SOC_DOUBLE_R_TLV("MIC Gain Volume", CS42L52_MICA_CTL, 428 CS42L52_MICB_CTL, 0, 0x10, 0, mic_tlv), 429 430 SOC_ENUM("MIC Bias Level", mic_bias_level_enum), 431 432 SOC_DOUBLE_R_SX_TLV("ADC Volume", CS42L52_ADCA_VOL, 433 CS42L52_ADCB_VOL, 7, 0x80, 0xA0, ipd_tlv), 434 SOC_DOUBLE_R_SX_TLV("ADC Mixer Volume", 435 CS42L52_ADCA_MIXER_VOL, CS42L52_ADCB_MIXER_VOL, 436 6, 0x7f, 0x19, ipd_tlv), 437 438 SOC_DOUBLE("ADC Switch", CS42L52_ADC_MISC_CTL, 0, 1, 1, 0), 439 440 SOC_DOUBLE_R("ADC Mixer Switch", CS42L52_ADCA_MIXER_VOL, 441 CS42L52_ADCB_MIXER_VOL, 7, 1, 1), 442 443 SOC_DOUBLE_R_SX_TLV("PGA Volume", CS42L52_PGAA_CTL, 444 CS42L52_PGAB_CTL, 0, 0x28, 0x30, pga_tlv), 445 446 SOC_DOUBLE_R_SX_TLV("PCM Mixer Volume", 447 CS42L52_PCMA_MIXER_VOL, CS42L52_PCMB_MIXER_VOL, 448 0, 0x7f, 0x19, mix_tlv), 449 SOC_DOUBLE_R("PCM Mixer Switch", 450 CS42L52_PCMA_MIXER_VOL, CS42L52_PCMB_MIXER_VOL, 7, 1, 1), 451 452 SOC_ENUM("Beep Config", beep_config_enum), 453 SOC_ENUM("Beep Pitch", beep_pitch_enum), 454 SOC_ENUM("Beep on Time", beep_ontime_enum), 455 SOC_ENUM("Beep off Time", beep_offtime_enum), 456 SOC_SINGLE_SX_TLV("Beep Volume", CS42L52_BEEP_VOL, 457 0, 0x07, 0x1f, beep_tlv), 458 SOC_SINGLE("Beep Mixer Switch", CS42L52_BEEP_TONE_CTL, 5, 1, 1), 459 SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum), 460 SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum), 461 462 SOC_SINGLE("Tone Control Switch", CS42L52_BEEP_TONE_CTL, 0, 1, 1), 463 SOC_SINGLE_TLV("Treble Gain Volume", 464 CS42L52_TONE_CTL, 4, 15, 1, hl_tlv), 465 SOC_SINGLE_TLV("Bass Gain Volume", 466 CS42L52_TONE_CTL, 0, 15, 1, hl_tlv), 467 468 /* Limiter */ 469 SOC_SINGLE_TLV("Limiter Max Threshold Volume", 470 CS42L52_LIMITER_CTL1, 5, 7, 0, limiter_tlv), 471 SOC_SINGLE_TLV("Limiter Cushion Threshold Volume", 472 CS42L52_LIMITER_CTL1, 2, 7, 0, limiter_tlv), 473 SOC_SINGLE_TLV("Limiter Release Rate Volume", 474 CS42L52_LIMITER_CTL2, 0, 63, 0, limiter_tlv), 475 SOC_SINGLE_TLV("Limiter Attack Rate Volume", 476 CS42L52_LIMITER_AT_RATE, 0, 63, 0, limiter_tlv), 477 478 SOC_SINGLE("Limiter SR Switch", CS42L52_LIMITER_CTL1, 1, 1, 0), 479 SOC_SINGLE("Limiter ZC Switch", CS42L52_LIMITER_CTL1, 0, 1, 0), 480 SOC_SINGLE("Limiter Switch", CS42L52_LIMITER_CTL2, 7, 1, 0), 481 482 /* ALC */ 483 SOC_SINGLE_TLV("ALC Attack Rate Volume", CS42L52_ALC_CTL, 484 0, 63, 0, limiter_tlv), 485 SOC_SINGLE_TLV("ALC Release Rate Volume", CS42L52_ALC_RATE, 486 0, 63, 0, limiter_tlv), 487 SOC_SINGLE_TLV("ALC Max Threshold Volume", CS42L52_ALC_THRESHOLD, 488 5, 7, 0, limiter_tlv), 489 SOC_SINGLE_TLV("ALC Min Threshold Volume", CS42L52_ALC_THRESHOLD, 490 2, 7, 0, limiter_tlv), 491 492 SOC_DOUBLE_R("ALC SR Capture Switch", CS42L52_PGAA_CTL, 493 CS42L52_PGAB_CTL, 7, 1, 1), 494 SOC_DOUBLE_R("ALC ZC Capture Switch", CS42L52_PGAA_CTL, 495 CS42L52_PGAB_CTL, 6, 1, 1), 496 SOC_DOUBLE("ALC Capture Switch", CS42L52_ALC_CTL, 6, 7, 1, 0), 497 498 /* Noise gate */ 499 SOC_ENUM("NG Type Switch", ng_type_enum), 500 SOC_SINGLE("NG Enable Switch", CS42L52_NOISE_GATE_CTL, 6, 1, 0), 501 SOC_SINGLE("NG Boost Switch", CS42L52_NOISE_GATE_CTL, 5, 1, 1), 502 SOC_ENUM("NG Threshold", ng_threshold_enum), 503 SOC_ENUM("NG Delay", ng_delay_enum), 504 505 SOC_DOUBLE("HPF Switch", CS42L52_ANALOG_HPF_CTL, 5, 7, 1, 0), 506 507 SOC_DOUBLE("Analog SR Switch", CS42L52_ANALOG_HPF_CTL, 1, 3, 1, 1), 508 SOC_DOUBLE("Analog ZC Switch", CS42L52_ANALOG_HPF_CTL, 0, 2, 1, 1), 509 SOC_SINGLE("Digital SR Switch", CS42L52_MISC_CTL, 1, 1, 0), 510 SOC_SINGLE("Digital ZC Switch", CS42L52_MISC_CTL, 0, 1, 0), 511 SOC_SINGLE("Deemphasis Switch", CS42L52_MISC_CTL, 2, 1, 0), 512 513 SOC_SINGLE("Batt Compensation Switch", CS42L52_BATT_COMPEN, 7, 1, 0), 514 SOC_SINGLE("Batt VP Monitor Switch", CS42L52_BATT_COMPEN, 6, 1, 0), 515 SOC_SINGLE("Batt VP ref", CS42L52_BATT_COMPEN, 0, 0x0f, 0), 516 517 SOC_SINGLE("PGA AIN1L Switch", CS42L52_ADC_PGA_A, 0, 1, 0), 518 SOC_SINGLE("PGA AIN1R Switch", CS42L52_ADC_PGA_B, 0, 1, 0), 519 SOC_SINGLE("PGA AIN2L Switch", CS42L52_ADC_PGA_A, 1, 1, 0), 520 SOC_SINGLE("PGA AIN2R Switch", CS42L52_ADC_PGA_B, 1, 1, 0), 521 522 SOC_SINGLE("PGA AIN3L Switch", CS42L52_ADC_PGA_A, 2, 1, 0), 523 SOC_SINGLE("PGA AIN3R Switch", CS42L52_ADC_PGA_B, 2, 1, 0), 524 525 SOC_SINGLE("PGA AIN4L Switch", CS42L52_ADC_PGA_A, 3, 1, 0), 526 SOC_SINGLE("PGA AIN4R Switch", CS42L52_ADC_PGA_B, 3, 1, 0), 527 528 SOC_SINGLE("PGA MICA Switch", CS42L52_ADC_PGA_A, 4, 1, 0), 529 SOC_SINGLE("PGA MICB Switch", CS42L52_ADC_PGA_B, 4, 1, 0), 530 531 }; 532 533 static const struct snd_soc_dapm_widget cs42l52_dapm_widgets[] = { 534 535 SND_SOC_DAPM_INPUT("AIN1L"), 536 SND_SOC_DAPM_INPUT("AIN1R"), 537 SND_SOC_DAPM_INPUT("AIN2L"), 538 SND_SOC_DAPM_INPUT("AIN2R"), 539 SND_SOC_DAPM_INPUT("AIN3L"), 540 SND_SOC_DAPM_INPUT("AIN3R"), 541 SND_SOC_DAPM_INPUT("AIN4L"), 542 SND_SOC_DAPM_INPUT("AIN4R"), 543 SND_SOC_DAPM_INPUT("MICA"), 544 SND_SOC_DAPM_INPUT("MICB"), 545 SND_SOC_DAPM_SIGGEN("Beep"), 546 547 SND_SOC_DAPM_AIF_OUT("AIFOUTL", NULL, 0, 548 SND_SOC_NOPM, 0, 0), 549 SND_SOC_DAPM_AIF_OUT("AIFOUTR", NULL, 0, 550 SND_SOC_NOPM, 0, 0), 551 552 SND_SOC_DAPM_MUX("MICA Mux", SND_SOC_NOPM, 0, 0, &mica_mux), 553 SND_SOC_DAPM_MUX("MICB Mux", SND_SOC_NOPM, 0, 0, &micb_mux), 554 555 SND_SOC_DAPM_ADC("ADC Left", NULL, CS42L52_PWRCTL1, 1, 1), 556 SND_SOC_DAPM_ADC("ADC Right", NULL, CS42L52_PWRCTL1, 2, 1), 557 SND_SOC_DAPM_PGA("PGA Left", CS42L52_PWRCTL1, 3, 1, NULL, 0), 558 SND_SOC_DAPM_PGA("PGA Right", CS42L52_PWRCTL1, 4, 1, NULL, 0), 559 560 SND_SOC_DAPM_MUX("ADC Left Mux", SND_SOC_NOPM, 0, 0, &adca_mux), 561 SND_SOC_DAPM_MUX("ADC Right Mux", SND_SOC_NOPM, 0, 0, &adcb_mux), 562 563 SND_SOC_DAPM_MUX("ADC Left Swap", SND_SOC_NOPM, 564 0, 0, &adca_mixer), 565 SND_SOC_DAPM_MUX("ADC Right Swap", SND_SOC_NOPM, 566 0, 0, &adcb_mixer), 567 568 SND_SOC_DAPM_MUX("Output Mux", SND_SOC_NOPM, 569 0, 0, &digital_output_mux), 570 571 SND_SOC_DAPM_PGA("PGA MICA", CS42L52_PWRCTL2, 1, 1, NULL, 0), 572 SND_SOC_DAPM_PGA("PGA MICB", CS42L52_PWRCTL2, 2, 1, NULL, 0), 573 574 SND_SOC_DAPM_SUPPLY("Mic Bias", CS42L52_PWRCTL2, 0, 1, NULL, 0), 575 SND_SOC_DAPM_SUPPLY("Charge Pump", CS42L52_PWRCTL1, 7, 1, NULL, 0), 576 577 SND_SOC_DAPM_AIF_IN("AIFINL", NULL, 0, 578 SND_SOC_NOPM, 0, 0), 579 SND_SOC_DAPM_AIF_IN("AIFINR", NULL, 0, 580 SND_SOC_NOPM, 0, 0), 581 582 SND_SOC_DAPM_DAC("DAC Left", NULL, SND_SOC_NOPM, 0, 0), 583 SND_SOC_DAPM_DAC("DAC Right", NULL, SND_SOC_NOPM, 0, 0), 584 585 SND_SOC_DAPM_SWITCH("Bypass Left", CS42L52_MISC_CTL, 586 6, 0, &passthrul_ctl), 587 SND_SOC_DAPM_SWITCH("Bypass Right", CS42L52_MISC_CTL, 588 7, 0, &passthrur_ctl), 589 590 SND_SOC_DAPM_MUX("PCM Left Swap", SND_SOC_NOPM, 591 0, 0, &pcma_mixer), 592 SND_SOC_DAPM_MUX("PCM Right Swap", SND_SOC_NOPM, 593 0, 0, &pcmb_mixer), 594 595 SND_SOC_DAPM_SWITCH("HP Left Amp", SND_SOC_NOPM, 0, 0, &hpl_ctl), 596 SND_SOC_DAPM_SWITCH("HP Right Amp", SND_SOC_NOPM, 0, 0, &hpr_ctl), 597 598 SND_SOC_DAPM_SWITCH("SPK Left Amp", SND_SOC_NOPM, 0, 0, &spkl_ctl), 599 SND_SOC_DAPM_SWITCH("SPK Right Amp", SND_SOC_NOPM, 0, 0, &spkr_ctl), 600 601 SND_SOC_DAPM_OUTPUT("HPOUTA"), 602 SND_SOC_DAPM_OUTPUT("HPOUTB"), 603 SND_SOC_DAPM_OUTPUT("SPKOUTA"), 604 SND_SOC_DAPM_OUTPUT("SPKOUTB"), 605 606 }; 607 608 static const struct snd_soc_dapm_route cs42l52_audio_map[] = { 609 610 {"Capture", NULL, "AIFOUTL"}, 611 {"Capture", NULL, "AIFOUTL"}, 612 613 {"AIFOUTL", NULL, "Output Mux"}, 614 {"AIFOUTR", NULL, "Output Mux"}, 615 616 {"Output Mux", "ADC", "ADC Left"}, 617 {"Output Mux", "ADC", "ADC Right"}, 618 619 {"ADC Left", NULL, "Charge Pump"}, 620 {"ADC Right", NULL, "Charge Pump"}, 621 622 {"Charge Pump", NULL, "ADC Left Mux"}, 623 {"Charge Pump", NULL, "ADC Right Mux"}, 624 625 {"ADC Left Mux", "Input1A", "AIN1L"}, 626 {"ADC Right Mux", "Input1B", "AIN1R"}, 627 {"ADC Left Mux", "Input2A", "AIN2L"}, 628 {"ADC Right Mux", "Input2B", "AIN2R"}, 629 {"ADC Left Mux", "Input3A", "AIN3L"}, 630 {"ADC Right Mux", "Input3B", "AIN3R"}, 631 {"ADC Left Mux", "Input4A", "AIN4L"}, 632 {"ADC Right Mux", "Input4B", "AIN4R"}, 633 {"ADC Left Mux", "PGA Input Left", "PGA Left"}, 634 {"ADC Right Mux", "PGA Input Right" , "PGA Right"}, 635 636 {"PGA Left", "Switch", "AIN1L"}, 637 {"PGA Right", "Switch", "AIN1R"}, 638 {"PGA Left", "Switch", "AIN2L"}, 639 {"PGA Right", "Switch", "AIN2R"}, 640 {"PGA Left", "Switch", "AIN3L"}, 641 {"PGA Right", "Switch", "AIN3R"}, 642 {"PGA Left", "Switch", "AIN4L"}, 643 {"PGA Right", "Switch", "AIN4R"}, 644 645 {"PGA Left", "Switch", "PGA MICA"}, 646 {"PGA MICA", NULL, "MICA"}, 647 648 {"PGA Right", "Switch", "PGA MICB"}, 649 {"PGA MICB", NULL, "MICB"}, 650 651 {"HPOUTA", NULL, "HP Left Amp"}, 652 {"HPOUTB", NULL, "HP Right Amp"}, 653 {"HP Left Amp", NULL, "Bypass Left"}, 654 {"HP Right Amp", NULL, "Bypass Right"}, 655 {"Bypass Left", "Switch", "PGA Left"}, 656 {"Bypass Right", "Switch", "PGA Right"}, 657 {"HP Left Amp", "Switch", "DAC Left"}, 658 {"HP Right Amp", "Switch", "DAC Right"}, 659 660 {"SPKOUTA", NULL, "SPK Left Amp"}, 661 {"SPKOUTB", NULL, "SPK Right Amp"}, 662 663 {"SPK Left Amp", NULL, "Beep"}, 664 {"SPK Right Amp", NULL, "Beep"}, 665 {"SPK Left Amp", "Switch", "Playback"}, 666 {"SPK Right Amp", "Switch", "Playback"}, 667 668 {"DAC Left", NULL, "Beep"}, 669 {"DAC Right", NULL, "Beep"}, 670 {"DAC Left", NULL, "Playback"}, 671 {"DAC Right", NULL, "Playback"}, 672 673 {"Output Mux", "DSP", "Playback"}, 674 {"Output Mux", "DSP", "Playback"}, 675 676 {"AIFINL", NULL, "Playback"}, 677 {"AIFINR", NULL, "Playback"}, 678 679 }; 680 681 struct cs42l52_clk_para { 682 u32 mclk; 683 u32 rate; 684 u8 speed; 685 u8 group; 686 u8 videoclk; 687 u8 ratio; 688 u8 mclkdiv2; 689 }; 690 691 static const struct cs42l52_clk_para clk_map_table[] = { 692 /*8k*/ 693 {12288000, 8000, CLK_QS_MODE, CLK_32K, CLK_NO_27M, CLK_R_128, 0}, 694 {18432000, 8000, CLK_QS_MODE, CLK_32K, CLK_NO_27M, CLK_R_128, 0}, 695 {12000000, 8000, CLK_QS_MODE, CLK_32K, CLK_NO_27M, CLK_R_125, 0}, 696 {24000000, 8000, CLK_QS_MODE, CLK_32K, CLK_NO_27M, CLK_R_125, 1}, 697 {27000000, 8000, CLK_QS_MODE, CLK_32K, CLK_27M_MCLK, CLK_R_125, 0}, 698 699 /*11.025k*/ 700 {11289600, 11025, CLK_QS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 701 {16934400, 11025, CLK_QS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 702 703 /*16k*/ 704 {12288000, 16000, CLK_HS_MODE, CLK_32K, CLK_NO_27M, CLK_R_128, 0}, 705 {18432000, 16000, CLK_HS_MODE, CLK_32K, CLK_NO_27M, CLK_R_128, 0}, 706 {12000000, 16000, CLK_HS_MODE, CLK_32K, CLK_NO_27M, CLK_R_125, 0}, 707 {24000000, 16000, CLK_HS_MODE, CLK_32K, CLK_NO_27M, CLK_R_125, 1}, 708 {27000000, 16000, CLK_HS_MODE, CLK_32K, CLK_27M_MCLK, CLK_R_125, 1}, 709 710 /*22.05k*/ 711 {11289600, 22050, CLK_HS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 712 {16934400, 22050, CLK_HS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 713 714 /* 32k */ 715 {12288000, 32000, CLK_SS_MODE, CLK_32K, CLK_NO_27M, CLK_R_128, 0}, 716 {18432000, 32000, CLK_SS_MODE, CLK_32K, CLK_NO_27M, CLK_R_128, 0}, 717 {12000000, 32000, CLK_SS_MODE, CLK_32K, CLK_NO_27M, CLK_R_125, 0}, 718 {24000000, 32000, CLK_SS_MODE, CLK_32K, CLK_NO_27M, CLK_R_125, 1}, 719 {27000000, 32000, CLK_SS_MODE, CLK_32K, CLK_27M_MCLK, CLK_R_125, 0}, 720 721 /* 44.1k */ 722 {11289600, 44100, CLK_SS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 723 {16934400, 44100, CLK_SS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 724 725 /* 48k */ 726 {12288000, 48000, CLK_SS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 727 {18432000, 48000, CLK_SS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 728 {12000000, 48000, CLK_SS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_125, 0}, 729 {24000000, 48000, CLK_SS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_125, 1}, 730 {27000000, 48000, CLK_SS_MODE, CLK_NO_32K, CLK_27M_MCLK, CLK_R_125, 1}, 731 732 /* 88.2k */ 733 {11289600, 88200, CLK_DS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 734 {16934400, 88200, CLK_DS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 735 736 /* 96k */ 737 {12288000, 96000, CLK_DS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 738 {18432000, 96000, CLK_DS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_128, 0}, 739 {12000000, 96000, CLK_DS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_125, 0}, 740 {24000000, 96000, CLK_DS_MODE, CLK_NO_32K, CLK_NO_27M, CLK_R_125, 1}, 741 }; 742 743 static int cs42l52_get_clk(int mclk, int rate) 744 { 745 int i, ret = -EINVAL; 746 u_int mclk1, mclk2 = 0; 747 748 for (i = 0; i < ARRAY_SIZE(clk_map_table); i++) { 749 if (clk_map_table[i].rate == rate) { 750 mclk1 = clk_map_table[i].mclk; 751 if (abs(mclk - mclk1) < abs(mclk - mclk2)) { 752 mclk2 = mclk1; 753 ret = i; 754 } 755 } 756 } 757 return ret; 758 } 759 760 static int cs42l52_set_sysclk(struct snd_soc_dai *codec_dai, 761 int clk_id, unsigned int freq, int dir) 762 { 763 struct snd_soc_codec *codec = codec_dai->codec; 764 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 765 766 if ((freq >= CS42L52_MIN_CLK) && (freq <= CS42L52_MAX_CLK)) { 767 cs42l52->sysclk = freq; 768 } else { 769 dev_err(codec->dev, "Invalid freq parameter\n"); 770 return -EINVAL; 771 } 772 return 0; 773 } 774 775 static int cs42l52_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 776 { 777 struct snd_soc_codec *codec = codec_dai->codec; 778 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 779 u8 iface = 0; 780 781 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 782 case SND_SOC_DAIFMT_CBM_CFM: 783 iface = CS42L52_IFACE_CTL1_MASTER; 784 break; 785 case SND_SOC_DAIFMT_CBS_CFS: 786 iface = CS42L52_IFACE_CTL1_SLAVE; 787 break; 788 default: 789 return -EINVAL; 790 } 791 792 /* interface format */ 793 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 794 case SND_SOC_DAIFMT_I2S: 795 iface |= CS42L52_IFACE_CTL1_ADC_FMT_I2S | 796 CS42L52_IFACE_CTL1_DAC_FMT_I2S; 797 break; 798 case SND_SOC_DAIFMT_RIGHT_J: 799 iface |= CS42L52_IFACE_CTL1_DAC_FMT_RIGHT_J; 800 break; 801 case SND_SOC_DAIFMT_LEFT_J: 802 iface |= CS42L52_IFACE_CTL1_ADC_FMT_LEFT_J | 803 CS42L52_IFACE_CTL1_DAC_FMT_LEFT_J; 804 break; 805 case SND_SOC_DAIFMT_DSP_A: 806 iface |= CS42L52_IFACE_CTL1_DSP_MODE_EN; 807 break; 808 case SND_SOC_DAIFMT_DSP_B: 809 break; 810 default: 811 return -EINVAL; 812 } 813 814 /* clock inversion */ 815 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 816 case SND_SOC_DAIFMT_NB_NF: 817 break; 818 case SND_SOC_DAIFMT_IB_IF: 819 iface |= CS42L52_IFACE_CTL1_INV_SCLK; 820 break; 821 case SND_SOC_DAIFMT_IB_NF: 822 iface |= CS42L52_IFACE_CTL1_INV_SCLK; 823 break; 824 case SND_SOC_DAIFMT_NB_IF: 825 break; 826 default: 827 return -EINVAL; 828 } 829 cs42l52->config.format = iface; 830 snd_soc_write(codec, CS42L52_IFACE_CTL1, cs42l52->config.format); 831 832 return 0; 833 } 834 835 static int cs42l52_digital_mute(struct snd_soc_dai *dai, int mute) 836 { 837 struct snd_soc_codec *codec = dai->codec; 838 839 if (mute) 840 snd_soc_update_bits(codec, CS42L52_PB_CTL1, 841 CS42L52_PB_CTL1_MUTE_MASK, 842 CS42L52_PB_CTL1_MUTE); 843 else 844 snd_soc_update_bits(codec, CS42L52_PB_CTL1, 845 CS42L52_PB_CTL1_MUTE_MASK, 846 CS42L52_PB_CTL1_UNMUTE); 847 848 return 0; 849 } 850 851 static int cs42l52_pcm_hw_params(struct snd_pcm_substream *substream, 852 struct snd_pcm_hw_params *params, 853 struct snd_soc_dai *dai) 854 { 855 struct snd_soc_codec *codec = dai->codec; 856 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 857 u32 clk = 0; 858 int index; 859 860 index = cs42l52_get_clk(cs42l52->sysclk, params_rate(params)); 861 if (index >= 0) { 862 cs42l52->sysclk = clk_map_table[index].mclk; 863 864 clk |= (clk_map_table[index].speed << CLK_SPEED_SHIFT) | 865 (clk_map_table[index].group << CLK_32K_SR_SHIFT) | 866 (clk_map_table[index].videoclk << CLK_27M_MCLK_SHIFT) | 867 (clk_map_table[index].ratio << CLK_RATIO_SHIFT) | 868 clk_map_table[index].mclkdiv2; 869 870 snd_soc_write(codec, CS42L52_CLK_CTL, clk); 871 } else { 872 dev_err(codec->dev, "can't get correct mclk\n"); 873 return -EINVAL; 874 } 875 876 return 0; 877 } 878 879 static int cs42l52_set_bias_level(struct snd_soc_codec *codec, 880 enum snd_soc_bias_level level) 881 { 882 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 883 884 switch (level) { 885 case SND_SOC_BIAS_ON: 886 break; 887 case SND_SOC_BIAS_PREPARE: 888 snd_soc_update_bits(codec, CS42L52_PWRCTL1, 889 CS42L52_PWRCTL1_PDN_CODEC, 0); 890 break; 891 case SND_SOC_BIAS_STANDBY: 892 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { 893 regcache_cache_only(cs42l52->regmap, false); 894 regcache_sync(cs42l52->regmap); 895 } 896 snd_soc_write(codec, CS42L52_PWRCTL1, CS42L52_PWRCTL1_PDN_ALL); 897 break; 898 case SND_SOC_BIAS_OFF: 899 snd_soc_write(codec, CS42L52_PWRCTL1, CS42L52_PWRCTL1_PDN_ALL); 900 regcache_cache_only(cs42l52->regmap, true); 901 break; 902 } 903 codec->dapm.bias_level = level; 904 905 return 0; 906 } 907 908 #define CS42L52_RATES (SNDRV_PCM_RATE_8000_96000) 909 910 #define CS42L52_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE | \ 911 SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_U18_3LE | \ 912 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_U20_3LE | \ 913 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U24_LE) 914 915 static struct snd_soc_dai_ops cs42l52_ops = { 916 .hw_params = cs42l52_pcm_hw_params, 917 .digital_mute = cs42l52_digital_mute, 918 .set_fmt = cs42l52_set_fmt, 919 .set_sysclk = cs42l52_set_sysclk, 920 }; 921 922 static struct snd_soc_dai_driver cs42l52_dai = { 923 .name = "cs42l52", 924 .playback = { 925 .stream_name = "Playback", 926 .channels_min = 1, 927 .channels_max = 2, 928 .rates = CS42L52_RATES, 929 .formats = CS42L52_FORMATS, 930 }, 931 .capture = { 932 .stream_name = "Capture", 933 .channels_min = 1, 934 .channels_max = 2, 935 .rates = CS42L52_RATES, 936 .formats = CS42L52_FORMATS, 937 }, 938 .ops = &cs42l52_ops, 939 }; 940 941 static int cs42l52_suspend(struct snd_soc_codec *codec) 942 { 943 cs42l52_set_bias_level(codec, SND_SOC_BIAS_OFF); 944 945 return 0; 946 } 947 948 static int cs42l52_resume(struct snd_soc_codec *codec) 949 { 950 cs42l52_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 951 952 return 0; 953 } 954 955 #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) 956 static int beep_rates[] = { 957 261, 522, 585, 667, 706, 774, 889, 1000, 958 1043, 1200, 1333, 1412, 1600, 1714, 2000, 2182 959 }; 960 961 static void cs42l52_beep_work(struct work_struct *work) 962 { 963 struct cs42l52_private *cs42l52 = 964 container_of(work, struct cs42l52_private, beep_work); 965 struct snd_soc_codec *codec = cs42l52->codec; 966 struct snd_soc_dapm_context *dapm = &codec->dapm; 967 int i; 968 int val = 0; 969 int best = 0; 970 971 if (cs42l52->beep_rate) { 972 for (i = 0; i < ARRAY_SIZE(beep_rates); i++) { 973 if (abs(cs42l52->beep_rate - beep_rates[i]) < 974 abs(cs42l52->beep_rate - beep_rates[best])) 975 best = i; 976 } 977 978 dev_dbg(codec->dev, "Set beep rate %dHz for requested %dHz\n", 979 beep_rates[best], cs42l52->beep_rate); 980 981 val = (best << CS42L52_BEEP_RATE_SHIFT); 982 983 snd_soc_dapm_enable_pin(dapm, "Beep"); 984 } else { 985 dev_dbg(codec->dev, "Disabling beep\n"); 986 snd_soc_dapm_disable_pin(dapm, "Beep"); 987 } 988 989 snd_soc_update_bits(codec, CS42L52_BEEP_FREQ, 990 CS42L52_BEEP_RATE_MASK, val); 991 992 snd_soc_dapm_sync(dapm); 993 } 994 995 /* For usability define a way of injecting beep events for the device - 996 * many systems will not have a keyboard. 997 */ 998 static int cs42l52_beep_event(struct input_dev *dev, unsigned int type, 999 unsigned int code, int hz) 1000 { 1001 struct snd_soc_codec *codec = input_get_drvdata(dev); 1002 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 1003 1004 dev_dbg(codec->dev, "Beep event %x %x\n", code, hz); 1005 1006 switch (code) { 1007 case SND_BELL: 1008 if (hz) 1009 hz = 261; 1010 case SND_TONE: 1011 break; 1012 default: 1013 return -1; 1014 } 1015 1016 /* Kick the beep from a workqueue */ 1017 cs42l52->beep_rate = hz; 1018 schedule_work(&cs42l52->beep_work); 1019 return 0; 1020 } 1021 1022 static ssize_t cs42l52_beep_set(struct device *dev, 1023 struct device_attribute *attr, 1024 const char *buf, size_t count) 1025 { 1026 struct cs42l52_private *cs42l52 = dev_get_drvdata(dev); 1027 long int time; 1028 int ret; 1029 1030 ret = kstrtol(buf, 10, &time); 1031 if (ret != 0) 1032 return ret; 1033 1034 input_event(cs42l52->beep, EV_SND, SND_TONE, time); 1035 1036 return count; 1037 } 1038 1039 static DEVICE_ATTR(beep, 0200, NULL, cs42l52_beep_set); 1040 1041 static void cs42l52_init_beep(struct snd_soc_codec *codec) 1042 { 1043 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 1044 int ret; 1045 1046 cs42l52->beep = devm_input_allocate_device(codec->dev); 1047 if (!cs42l52->beep) { 1048 dev_err(codec->dev, "Failed to allocate beep device\n"); 1049 return; 1050 } 1051 1052 INIT_WORK(&cs42l52->beep_work, cs42l52_beep_work); 1053 cs42l52->beep_rate = 0; 1054 1055 cs42l52->beep->name = "CS42L52 Beep Generator"; 1056 cs42l52->beep->phys = dev_name(codec->dev); 1057 cs42l52->beep->id.bustype = BUS_I2C; 1058 1059 cs42l52->beep->evbit[0] = BIT_MASK(EV_SND); 1060 cs42l52->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); 1061 cs42l52->beep->event = cs42l52_beep_event; 1062 cs42l52->beep->dev.parent = codec->dev; 1063 input_set_drvdata(cs42l52->beep, codec); 1064 1065 ret = input_register_device(cs42l52->beep); 1066 if (ret != 0) { 1067 cs42l52->beep = NULL; 1068 dev_err(codec->dev, "Failed to register beep device\n"); 1069 } 1070 1071 ret = device_create_file(codec->dev, &dev_attr_beep); 1072 if (ret != 0) { 1073 dev_err(codec->dev, "Failed to create keyclick file: %d\n", 1074 ret); 1075 } 1076 } 1077 1078 static void cs42l52_free_beep(struct snd_soc_codec *codec) 1079 { 1080 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 1081 1082 device_remove_file(codec->dev, &dev_attr_beep); 1083 cancel_work_sync(&cs42l52->beep_work); 1084 cs42l52->beep = NULL; 1085 1086 snd_soc_update_bits(codec, CS42L52_BEEP_TONE_CTL, 1087 CS42L52_BEEP_EN_MASK, 0); 1088 } 1089 #else 1090 static void cs42l52_init_beep(struct snd_soc_codec *codec) 1091 { 1092 } 1093 1094 static void cs42l52_free_beep(struct snd_soc_codec *codec) 1095 { 1096 } 1097 #endif 1098 1099 static int cs42l52_probe(struct snd_soc_codec *codec) 1100 { 1101 struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); 1102 int ret; 1103 1104 codec->control_data = cs42l52->regmap; 1105 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP); 1106 if (ret < 0) { 1107 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 1108 return ret; 1109 } 1110 regcache_cache_only(cs42l52->regmap, true); 1111 1112 cs42l52_init_beep(codec); 1113 1114 cs42l52_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1115 1116 cs42l52->sysclk = CS42L52_DEFAULT_CLK; 1117 cs42l52->config.format = CS42L52_DEFAULT_FORMAT; 1118 1119 /* Set Platform MICx CFG */ 1120 snd_soc_update_bits(codec, CS42L52_MICA_CTL, 1121 CS42L52_MIC_CTL_TYPE_MASK, 1122 cs42l52->pdata.mica_cfg << 1123 CS42L52_MIC_CTL_TYPE_SHIFT); 1124 1125 snd_soc_update_bits(codec, CS42L52_MICB_CTL, 1126 CS42L52_MIC_CTL_TYPE_MASK, 1127 cs42l52->pdata.micb_cfg << 1128 CS42L52_MIC_CTL_TYPE_SHIFT); 1129 1130 /* if Single Ended, Get Mic_Select */ 1131 if (cs42l52->pdata.mica_cfg) 1132 snd_soc_update_bits(codec, CS42L52_MICA_CTL, 1133 CS42L52_MIC_CTL_MIC_SEL_MASK, 1134 cs42l52->pdata.mica_sel << 1135 CS42L52_MIC_CTL_MIC_SEL_SHIFT); 1136 if (cs42l52->pdata.micb_cfg) 1137 snd_soc_update_bits(codec, CS42L52_MICB_CTL, 1138 CS42L52_MIC_CTL_MIC_SEL_MASK, 1139 cs42l52->pdata.micb_sel << 1140 CS42L52_MIC_CTL_MIC_SEL_SHIFT); 1141 1142 /* Set Platform Charge Pump Freq */ 1143 snd_soc_update_bits(codec, CS42L52_CHARGE_PUMP, 1144 CS42L52_CHARGE_PUMP_MASK, 1145 cs42l52->pdata.chgfreq << 1146 CS42L52_CHARGE_PUMP_SHIFT); 1147 1148 /* Set Platform Bias Level */ 1149 snd_soc_update_bits(codec, CS42L52_IFACE_CTL2, 1150 CS42L52_IFACE_CTL2_BIAS_LVL, 1151 cs42l52->pdata.micbias_lvl); 1152 1153 return ret; 1154 } 1155 1156 static int cs42l52_remove(struct snd_soc_codec *codec) 1157 { 1158 cs42l52_free_beep(codec); 1159 cs42l52_set_bias_level(codec, SND_SOC_BIAS_OFF); 1160 1161 return 0; 1162 } 1163 1164 static struct snd_soc_codec_driver soc_codec_dev_cs42l52 = { 1165 .probe = cs42l52_probe, 1166 .remove = cs42l52_remove, 1167 .suspend = cs42l52_suspend, 1168 .resume = cs42l52_resume, 1169 .set_bias_level = cs42l52_set_bias_level, 1170 1171 .dapm_widgets = cs42l52_dapm_widgets, 1172 .num_dapm_widgets = ARRAY_SIZE(cs42l52_dapm_widgets), 1173 .dapm_routes = cs42l52_audio_map, 1174 .num_dapm_routes = ARRAY_SIZE(cs42l52_audio_map), 1175 1176 .controls = cs42l52_snd_controls, 1177 .num_controls = ARRAY_SIZE(cs42l52_snd_controls), 1178 }; 1179 1180 /* Current and threshold powerup sequence Pg37 */ 1181 static const struct reg_default cs42l52_threshold_patch[] = { 1182 1183 { 0x00, 0x99 }, 1184 { 0x3E, 0xBA }, 1185 { 0x47, 0x80 }, 1186 { 0x32, 0xBB }, 1187 { 0x32, 0x3B }, 1188 { 0x00, 0x00 }, 1189 1190 }; 1191 1192 static struct regmap_config cs42l52_regmap = { 1193 .reg_bits = 8, 1194 .val_bits = 8, 1195 1196 .max_register = CS42L52_MAX_REGISTER, 1197 .reg_defaults = cs42l52_reg_defaults, 1198 .num_reg_defaults = ARRAY_SIZE(cs42l52_reg_defaults), 1199 .readable_reg = cs42l52_readable_register, 1200 .volatile_reg = cs42l52_volatile_register, 1201 .cache_type = REGCACHE_RBTREE, 1202 }; 1203 1204 static int cs42l52_i2c_probe(struct i2c_client *i2c_client, 1205 const struct i2c_device_id *id) 1206 { 1207 struct cs42l52_private *cs42l52; 1208 int ret; 1209 unsigned int devid = 0; 1210 unsigned int reg; 1211 1212 cs42l52 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l52_private), 1213 GFP_KERNEL); 1214 if (cs42l52 == NULL) 1215 return -ENOMEM; 1216 cs42l52->dev = &i2c_client->dev; 1217 1218 cs42l52->regmap = devm_regmap_init_i2c(i2c_client, &cs42l52_regmap); 1219 if (IS_ERR(cs42l52->regmap)) { 1220 ret = PTR_ERR(cs42l52->regmap); 1221 dev_err(&i2c_client->dev, "regmap_init() failed: %d\n", ret); 1222 return ret; 1223 } 1224 1225 i2c_set_clientdata(i2c_client, cs42l52); 1226 1227 if (dev_get_platdata(&i2c_client->dev)) 1228 memcpy(&cs42l52->pdata, dev_get_platdata(&i2c_client->dev), 1229 sizeof(cs42l52->pdata)); 1230 1231 ret = regmap_register_patch(cs42l52->regmap, cs42l52_threshold_patch, 1232 ARRAY_SIZE(cs42l52_threshold_patch)); 1233 if (ret != 0) 1234 dev_warn(cs42l52->dev, "Failed to apply regmap patch: %d\n", 1235 ret); 1236 1237 ret = regmap_read(cs42l52->regmap, CS42L52_CHIP, ®); 1238 devid = reg & CS42L52_CHIP_ID_MASK; 1239 if (devid != CS42L52_CHIP_ID) { 1240 ret = -ENODEV; 1241 dev_err(&i2c_client->dev, 1242 "CS42L52 Device ID (%X). Expected %X\n", 1243 devid, CS42L52_CHIP_ID); 1244 return ret; 1245 } 1246 1247 regcache_cache_only(cs42l52->regmap, true); 1248 1249 ret = snd_soc_register_codec(&i2c_client->dev, 1250 &soc_codec_dev_cs42l52, &cs42l52_dai, 1); 1251 if (ret < 0) 1252 return ret; 1253 return 0; 1254 } 1255 1256 static int cs42l52_i2c_remove(struct i2c_client *client) 1257 { 1258 snd_soc_unregister_codec(&client->dev); 1259 return 0; 1260 } 1261 1262 static const struct i2c_device_id cs42l52_id[] = { 1263 { "cs42l52", 0 }, 1264 { } 1265 }; 1266 MODULE_DEVICE_TABLE(i2c, cs42l52_id); 1267 1268 static struct i2c_driver cs42l52_i2c_driver = { 1269 .driver = { 1270 .name = "cs42l52", 1271 .owner = THIS_MODULE, 1272 }, 1273 .id_table = cs42l52_id, 1274 .probe = cs42l52_i2c_probe, 1275 .remove = cs42l52_i2c_remove, 1276 }; 1277 1278 module_i2c_driver(cs42l52_i2c_driver); 1279 1280 MODULE_DESCRIPTION("ASoC CS42L52 driver"); 1281 MODULE_AUTHOR("Georgi Vlaev, Nucleus Systems Ltd, <joe@nucleusys.com>"); 1282 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>"); 1283 MODULE_LICENSE("GPL"); 1284