1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * max98095.c -- MAX98095 ALSA SoC Audio driver 4 * 5 * Copyright 2011 Maxim Integrated Products 6 */ 7 8#include <linux/module.h> 9#include <linux/moduleparam.h> 10#include <linux/kernel.h> 11#include <linux/init.h> 12#include <linux/delay.h> 13#include <linux/pm.h> 14#include <linux/i2c.h> 15#include <linux/clk.h> 16#include <linux/mutex.h> 17#include <sound/core.h> 18#include <sound/pcm.h> 19#include <sound/pcm_params.h> 20#include <sound/soc.h> 21#include <sound/initval.h> 22#include <sound/tlv.h> 23#include <linux/slab.h> 24#include <asm/div64.h> 25#include <sound/max98095.h> 26#include <sound/jack.h> 27#include "max98095.h" 28 29enum max98095_type { 30 MAX98095, 31}; 32 33struct max98095_cdata { 34 unsigned int rate; 35 unsigned int fmt; 36 int eq_sel; 37 int bq_sel; 38}; 39 40struct max98095_priv { 41 struct regmap *regmap; 42 enum max98095_type devtype; 43 struct max98095_pdata *pdata; 44 struct clk *mclk; 45 unsigned int sysclk; 46 struct max98095_cdata dai[3]; 47 const char **eq_texts; 48 const char **bq_texts; 49 struct soc_enum eq_enum; 50 struct soc_enum bq_enum; 51 int eq_textcnt; 52 int bq_textcnt; 53 u8 lin_state; 54 unsigned int mic1pre; 55 unsigned int mic2pre; 56 struct snd_soc_jack *headphone_jack; 57 struct snd_soc_jack *mic_jack; 58 struct mutex lock; 59}; 60 61static const struct reg_default max98095_reg_def[] = { 62 { 0xf, 0x00 }, /* 0F */ 63 { 0x10, 0x00 }, /* 10 */ 64 { 0x11, 0x00 }, /* 11 */ 65 { 0x12, 0x00 }, /* 12 */ 66 { 0x13, 0x00 }, /* 13 */ 67 { 0x14, 0x00 }, /* 14 */ 68 { 0x15, 0x00 }, /* 15 */ 69 { 0x16, 0x00 }, /* 16 */ 70 { 0x17, 0x00 }, /* 17 */ 71 { 0x18, 0x00 }, /* 18 */ 72 { 0x19, 0x00 }, /* 19 */ 73 { 0x1a, 0x00 }, /* 1A */ 74 { 0x1b, 0x00 }, /* 1B */ 75 { 0x1c, 0x00 }, /* 1C */ 76 { 0x1d, 0x00 }, /* 1D */ 77 { 0x1e, 0x00 }, /* 1E */ 78 { 0x1f, 0x00 }, /* 1F */ 79 { 0x20, 0x00 }, /* 20 */ 80 { 0x21, 0x00 }, /* 21 */ 81 { 0x22, 0x00 }, /* 22 */ 82 { 0x23, 0x00 }, /* 23 */ 83 { 0x24, 0x00 }, /* 24 */ 84 { 0x25, 0x00 }, /* 25 */ 85 { 0x26, 0x00 }, /* 26 */ 86 { 0x27, 0x00 }, /* 27 */ 87 { 0x28, 0x00 }, /* 28 */ 88 { 0x29, 0x00 }, /* 29 */ 89 { 0x2a, 0x00 }, /* 2A */ 90 { 0x2b, 0x00 }, /* 2B */ 91 { 0x2c, 0x00 }, /* 2C */ 92 { 0x2d, 0x00 }, /* 2D */ 93 { 0x2e, 0x00 }, /* 2E */ 94 { 0x2f, 0x00 }, /* 2F */ 95 { 0x30, 0x00 }, /* 30 */ 96 { 0x31, 0x00 }, /* 31 */ 97 { 0x32, 0x00 }, /* 32 */ 98 { 0x33, 0x00 }, /* 33 */ 99 { 0x34, 0x00 }, /* 34 */ 100 { 0x35, 0x00 }, /* 35 */ 101 { 0x36, 0x00 }, /* 36 */ 102 { 0x37, 0x00 }, /* 37 */ 103 { 0x38, 0x00 }, /* 38 */ 104 { 0x39, 0x00 }, /* 39 */ 105 { 0x3a, 0x00 }, /* 3A */ 106 { 0x3b, 0x00 }, /* 3B */ 107 { 0x3c, 0x00 }, /* 3C */ 108 { 0x3d, 0x00 }, /* 3D */ 109 { 0x3e, 0x00 }, /* 3E */ 110 { 0x3f, 0x00 }, /* 3F */ 111 { 0x40, 0x00 }, /* 40 */ 112 { 0x41, 0x00 }, /* 41 */ 113 { 0x42, 0x00 }, /* 42 */ 114 { 0x43, 0x00 }, /* 43 */ 115 { 0x44, 0x00 }, /* 44 */ 116 { 0x45, 0x00 }, /* 45 */ 117 { 0x46, 0x00 }, /* 46 */ 118 { 0x47, 0x00 }, /* 47 */ 119 { 0x48, 0x00 }, /* 48 */ 120 { 0x49, 0x00 }, /* 49 */ 121 { 0x4a, 0x00 }, /* 4A */ 122 { 0x4b, 0x00 }, /* 4B */ 123 { 0x4c, 0x00 }, /* 4C */ 124 { 0x4d, 0x00 }, /* 4D */ 125 { 0x4e, 0x00 }, /* 4E */ 126 { 0x4f, 0x00 }, /* 4F */ 127 { 0x50, 0x00 }, /* 50 */ 128 { 0x51, 0x00 }, /* 51 */ 129 { 0x52, 0x00 }, /* 52 */ 130 { 0x53, 0x00 }, /* 53 */ 131 { 0x54, 0x00 }, /* 54 */ 132 { 0x55, 0x00 }, /* 55 */ 133 { 0x56, 0x00 }, /* 56 */ 134 { 0x57, 0x00 }, /* 57 */ 135 { 0x58, 0x00 }, /* 58 */ 136 { 0x59, 0x00 }, /* 59 */ 137 { 0x5a, 0x00 }, /* 5A */ 138 { 0x5b, 0x00 }, /* 5B */ 139 { 0x5c, 0x00 }, /* 5C */ 140 { 0x5d, 0x00 }, /* 5D */ 141 { 0x5e, 0x00 }, /* 5E */ 142 { 0x5f, 0x00 }, /* 5F */ 143 { 0x60, 0x00 }, /* 60 */ 144 { 0x61, 0x00 }, /* 61 */ 145 { 0x62, 0x00 }, /* 62 */ 146 { 0x63, 0x00 }, /* 63 */ 147 { 0x64, 0x00 }, /* 64 */ 148 { 0x65, 0x00 }, /* 65 */ 149 { 0x66, 0x00 }, /* 66 */ 150 { 0x67, 0x00 }, /* 67 */ 151 { 0x68, 0x00 }, /* 68 */ 152 { 0x69, 0x00 }, /* 69 */ 153 { 0x6a, 0x00 }, /* 6A */ 154 { 0x6b, 0x00 }, /* 6B */ 155 { 0x6c, 0x00 }, /* 6C */ 156 { 0x6d, 0x00 }, /* 6D */ 157 { 0x6e, 0x00 }, /* 6E */ 158 { 0x6f, 0x00 }, /* 6F */ 159 { 0x70, 0x00 }, /* 70 */ 160 { 0x71, 0x00 }, /* 71 */ 161 { 0x72, 0x00 }, /* 72 */ 162 { 0x73, 0x00 }, /* 73 */ 163 { 0x74, 0x00 }, /* 74 */ 164 { 0x75, 0x00 }, /* 75 */ 165 { 0x76, 0x00 }, /* 76 */ 166 { 0x77, 0x00 }, /* 77 */ 167 { 0x78, 0x00 }, /* 78 */ 168 { 0x79, 0x00 }, /* 79 */ 169 { 0x7a, 0x00 }, /* 7A */ 170 { 0x7b, 0x00 }, /* 7B */ 171 { 0x7c, 0x00 }, /* 7C */ 172 { 0x7d, 0x00 }, /* 7D */ 173 { 0x7e, 0x00 }, /* 7E */ 174 { 0x7f, 0x00 }, /* 7F */ 175 { 0x80, 0x00 }, /* 80 */ 176 { 0x81, 0x00 }, /* 81 */ 177 { 0x82, 0x00 }, /* 82 */ 178 { 0x83, 0x00 }, /* 83 */ 179 { 0x84, 0x00 }, /* 84 */ 180 { 0x85, 0x00 }, /* 85 */ 181 { 0x86, 0x00 }, /* 86 */ 182 { 0x87, 0x00 }, /* 87 */ 183 { 0x88, 0x00 }, /* 88 */ 184 { 0x89, 0x00 }, /* 89 */ 185 { 0x8a, 0x00 }, /* 8A */ 186 { 0x8b, 0x00 }, /* 8B */ 187 { 0x8c, 0x00 }, /* 8C */ 188 { 0x8d, 0x00 }, /* 8D */ 189 { 0x8e, 0x00 }, /* 8E */ 190 { 0x8f, 0x00 }, /* 8F */ 191 { 0x90, 0x00 }, /* 90 */ 192 { 0x91, 0x00 }, /* 91 */ 193 { 0x92, 0x30 }, /* 92 */ 194 { 0x93, 0xF0 }, /* 93 */ 195 { 0x94, 0x00 }, /* 94 */ 196 { 0x95, 0x00 }, /* 95 */ 197 { 0x96, 0x3F }, /* 96 */ 198 { 0x97, 0x00 }, /* 97 */ 199 { 0xff, 0x00 }, /* FF */ 200}; 201 202static bool max98095_readable(struct device *dev, unsigned int reg) 203{ 204 switch (reg) { 205 case M98095_001_HOST_INT_STS ... M98095_097_PWR_SYS: 206 case M98095_0FF_REV_ID: 207 return true; 208 default: 209 return false; 210 } 211} 212 213static bool max98095_writeable(struct device *dev, unsigned int reg) 214{ 215 switch (reg) { 216 case M98095_00F_HOST_CFG ... M98095_097_PWR_SYS: 217 return true; 218 default: 219 return false; 220 } 221} 222 223static bool max98095_volatile(struct device *dev, unsigned int reg) 224{ 225 switch (reg) { 226 case M98095_000_HOST_DATA ... M98095_00E_TEMP_SENSOR_STS: 227 case M98095_REG_MAX_CACHED + 1 ... M98095_0FF_REV_ID: 228 return true; 229 default: 230 return false; 231 } 232} 233 234static const struct regmap_config max98095_regmap = { 235 .reg_bits = 8, 236 .val_bits = 8, 237 238 .reg_defaults = max98095_reg_def, 239 .num_reg_defaults = ARRAY_SIZE(max98095_reg_def), 240 .max_register = M98095_0FF_REV_ID, 241 .cache_type = REGCACHE_RBTREE, 242 243 .readable_reg = max98095_readable, 244 .writeable_reg = max98095_writeable, 245 .volatile_reg = max98095_volatile, 246}; 247 248/* 249 * Load equalizer DSP coefficient configurations registers 250 */ 251static void m98095_eq_band(struct snd_soc_component *component, unsigned int dai, 252 unsigned int band, u16 *coefs) 253{ 254 unsigned int eq_reg; 255 unsigned int i; 256 257 if (WARN_ON(band > 4) || 258 WARN_ON(dai > 1)) 259 return; 260 261 /* Load the base register address */ 262 eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE; 263 264 /* Add the band address offset, note adjustment for word address */ 265 eq_reg += band * (M98095_COEFS_PER_BAND << 1); 266 267 /* Step through the registers and coefs */ 268 for (i = 0; i < M98095_COEFS_PER_BAND; i++) { 269 snd_soc_component_write(component, eq_reg++, M98095_BYTE1(coefs[i])); 270 snd_soc_component_write(component, eq_reg++, M98095_BYTE0(coefs[i])); 271 } 272} 273 274/* 275 * Load biquad filter coefficient configurations registers 276 */ 277static void m98095_biquad_band(struct snd_soc_component *component, unsigned int dai, 278 unsigned int band, u16 *coefs) 279{ 280 unsigned int bq_reg; 281 unsigned int i; 282 283 if (WARN_ON(band > 1) || 284 WARN_ON(dai > 1)) 285 return; 286 287 /* Load the base register address */ 288 bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE; 289 290 /* Add the band address offset, note adjustment for word address */ 291 bq_reg += band * (M98095_COEFS_PER_BAND << 1); 292 293 /* Step through the registers and coefs */ 294 for (i = 0; i < M98095_COEFS_PER_BAND; i++) { 295 snd_soc_component_write(component, bq_reg++, M98095_BYTE1(coefs[i])); 296 snd_soc_component_write(component, bq_reg++, M98095_BYTE0(coefs[i])); 297 } 298} 299 300static const char * const max98095_fltr_mode[] = { "Voice", "Music" }; 301static SOC_ENUM_SINGLE_DECL(max98095_dai1_filter_mode_enum, 302 M98095_02E_DAI1_FILTERS, 7, 303 max98095_fltr_mode); 304static SOC_ENUM_SINGLE_DECL(max98095_dai2_filter_mode_enum, 305 M98095_038_DAI2_FILTERS, 7, 306 max98095_fltr_mode); 307 308static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" }; 309 310static SOC_ENUM_SINGLE_DECL(max98095_extmic_enum, 311 M98095_087_CFG_MIC, 0, 312 max98095_extmic_text); 313 314static const struct snd_kcontrol_new max98095_extmic_mux = 315 SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum); 316 317static const char * const max98095_linein_text[] = { "INA", "INB" }; 318 319static SOC_ENUM_SINGLE_DECL(max98095_linein_enum, 320 M98095_086_CFG_LINE, 6, 321 max98095_linein_text); 322 323static const struct snd_kcontrol_new max98095_linein_mux = 324 SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum); 325 326static const char * const max98095_line_mode_text[] = { 327 "Stereo", "Differential"}; 328 329static SOC_ENUM_SINGLE_DECL(max98095_linein_mode_enum, 330 M98095_086_CFG_LINE, 7, 331 max98095_line_mode_text); 332 333static SOC_ENUM_SINGLE_DECL(max98095_lineout_mode_enum, 334 M98095_086_CFG_LINE, 4, 335 max98095_line_mode_text); 336 337static const char * const max98095_dai_fltr[] = { 338 "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k", 339 "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"}; 340static SOC_ENUM_SINGLE_DECL(max98095_dai1_dac_filter_enum, 341 M98095_02E_DAI1_FILTERS, 0, 342 max98095_dai_fltr); 343static SOC_ENUM_SINGLE_DECL(max98095_dai2_dac_filter_enum, 344 M98095_038_DAI2_FILTERS, 0, 345 max98095_dai_fltr); 346static SOC_ENUM_SINGLE_DECL(max98095_dai3_dac_filter_enum, 347 M98095_042_DAI3_FILTERS, 0, 348 max98095_dai_fltr); 349 350static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol, 351 struct snd_ctl_elem_value *ucontrol) 352{ 353 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 354 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 355 unsigned int sel = ucontrol->value.integer.value[0]; 356 357 max98095->mic1pre = sel; 358 snd_soc_component_update_bits(component, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK, 359 (1+sel)<<M98095_MICPRE_SHIFT); 360 361 return 0; 362} 363 364static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol, 365 struct snd_ctl_elem_value *ucontrol) 366{ 367 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 368 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 369 370 ucontrol->value.integer.value[0] = max98095->mic1pre; 371 return 0; 372} 373 374static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol, 375 struct snd_ctl_elem_value *ucontrol) 376{ 377 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 378 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 379 unsigned int sel = ucontrol->value.integer.value[0]; 380 381 max98095->mic2pre = sel; 382 snd_soc_component_update_bits(component, M98095_060_LVL_MIC2, M98095_MICPRE_MASK, 383 (1+sel)<<M98095_MICPRE_SHIFT); 384 385 return 0; 386} 387 388static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol, 389 struct snd_ctl_elem_value *ucontrol) 390{ 391 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 392 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 393 394 ucontrol->value.integer.value[0] = max98095->mic2pre; 395 return 0; 396} 397 398static const DECLARE_TLV_DB_RANGE(max98095_micboost_tlv, 399 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0), 400 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0) 401); 402 403static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0); 404static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0); 405static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0); 406 407static const DECLARE_TLV_DB_RANGE(max98095_hp_tlv, 408 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0), 409 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0), 410 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0), 411 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0), 412 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0) 413); 414 415static const DECLARE_TLV_DB_RANGE(max98095_spk_tlv, 416 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0), 417 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0), 418 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0), 419 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0) 420); 421 422static const DECLARE_TLV_DB_RANGE(max98095_rcv_lout_tlv, 423 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0), 424 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0), 425 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0), 426 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0), 427 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0) 428); 429 430static const DECLARE_TLV_DB_RANGE(max98095_lin_tlv, 431 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0), 432 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0), 433 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0) 434); 435 436static const struct snd_kcontrol_new max98095_snd_controls[] = { 437 438 SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L, 439 M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv), 440 441 SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L, 442 M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv), 443 444 SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV, 445 0, 31, 0, max98095_rcv_lout_tlv), 446 447 SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1, 448 M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv), 449 450 SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L, 451 M98095_065_LVL_HP_R, 7, 1, 1), 452 453 SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L, 454 M98095_068_LVL_SPK_R, 7, 1, 1), 455 456 SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1), 457 458 SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1, 459 M98095_063_LVL_LINEOUT2, 7, 1, 1), 460 461 SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1, 462 max98095_mic_tlv), 463 464 SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1, 465 max98095_mic_tlv), 466 467 SOC_SINGLE_EXT_TLV("MIC1 Boost Volume", 468 M98095_05F_LVL_MIC1, 5, 2, 0, 469 max98095_mic1pre_get, max98095_mic1pre_set, 470 max98095_micboost_tlv), 471 SOC_SINGLE_EXT_TLV("MIC2 Boost Volume", 472 M98095_060_LVL_MIC2, 5, 2, 0, 473 max98095_mic2pre_get, max98095_mic2pre_set, 474 max98095_micboost_tlv), 475 476 SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1, 477 max98095_lin_tlv), 478 479 SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1, 480 max98095_adc_tlv), 481 SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1, 482 max98095_adc_tlv), 483 484 SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0, 485 max98095_adcboost_tlv), 486 SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0, 487 max98095_adcboost_tlv), 488 489 SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0), 490 SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0), 491 492 SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0), 493 SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0), 494 495 SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum), 496 SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum), 497 SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum), 498 SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum), 499 SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum), 500 501 SOC_ENUM("Linein Mode", max98095_linein_mode_enum), 502 SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum), 503}; 504 505/* Left speaker mixer switch */ 506static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = { 507 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0), 508 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0), 509 SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0), 510 SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0), 511 SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0), 512 SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0), 513 SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0), 514 SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0), 515}; 516 517/* Right speaker mixer switch */ 518static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = { 519 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0), 520 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0), 521 SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0), 522 SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0), 523 SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0), 524 SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0), 525 SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0), 526 SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0), 527}; 528 529/* Left headphone mixer switch */ 530static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = { 531 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0), 532 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0), 533 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0), 534 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0), 535 SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0), 536 SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0), 537}; 538 539/* Right headphone mixer switch */ 540static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = { 541 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0), 542 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0), 543 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0), 544 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0), 545 SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0), 546 SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0), 547}; 548 549/* Receiver earpiece mixer switch */ 550static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = { 551 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0), 552 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0), 553 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0), 554 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0), 555 SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0), 556 SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0), 557}; 558 559/* Left lineout mixer switch */ 560static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = { 561 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0), 562 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0), 563 SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0), 564 SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0), 565 SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0), 566 SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0), 567}; 568 569/* Right lineout mixer switch */ 570static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = { 571 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0), 572 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0), 573 SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0), 574 SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0), 575 SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0), 576 SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0), 577}; 578 579/* Left ADC mixer switch */ 580static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = { 581 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0), 582 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0), 583 SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0), 584 SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0), 585}; 586 587/* Right ADC mixer switch */ 588static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = { 589 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0), 590 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0), 591 SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0), 592 SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0), 593}; 594 595static int max98095_mic_event(struct snd_soc_dapm_widget *w, 596 struct snd_kcontrol *kcontrol, int event) 597{ 598 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 599 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 600 601 switch (event) { 602 case SND_SOC_DAPM_POST_PMU: 603 if (w->reg == M98095_05F_LVL_MIC1) { 604 snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, 605 (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT); 606 } else { 607 snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, 608 (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT); 609 } 610 break; 611 case SND_SOC_DAPM_POST_PMD: 612 snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, 0); 613 break; 614 default: 615 return -EINVAL; 616 } 617 618 return 0; 619} 620 621/* 622 * The line inputs are stereo inputs with the left and right 623 * channels sharing a common PGA power control signal. 624 */ 625static int max98095_line_pga(struct snd_soc_dapm_widget *w, 626 int event, u8 channel) 627{ 628 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 629 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 630 u8 *state; 631 632 if (WARN_ON(!(channel == 1 || channel == 2))) 633 return -EINVAL; 634 635 state = &max98095->lin_state; 636 637 switch (event) { 638 case SND_SOC_DAPM_POST_PMU: 639 *state |= channel; 640 snd_soc_component_update_bits(component, w->reg, 641 (1 << w->shift), (1 << w->shift)); 642 break; 643 case SND_SOC_DAPM_POST_PMD: 644 *state &= ~channel; 645 if (*state == 0) { 646 snd_soc_component_update_bits(component, w->reg, 647 (1 << w->shift), 0); 648 } 649 break; 650 default: 651 return -EINVAL; 652 } 653 654 return 0; 655} 656 657static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w, 658 struct snd_kcontrol *k, int event) 659{ 660 return max98095_line_pga(w, event, 1); 661} 662 663static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w, 664 struct snd_kcontrol *k, int event) 665{ 666 return max98095_line_pga(w, event, 2); 667} 668 669/* 670 * The stereo line out mixer outputs to two stereo line outs. 671 * The 2nd pair has a separate set of enables. 672 */ 673static int max98095_lineout_event(struct snd_soc_dapm_widget *w, 674 struct snd_kcontrol *kcontrol, int event) 675{ 676 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 677 678 switch (event) { 679 case SND_SOC_DAPM_POST_PMU: 680 snd_soc_component_update_bits(component, w->reg, 681 (1 << (w->shift+2)), (1 << (w->shift+2))); 682 break; 683 case SND_SOC_DAPM_POST_PMD: 684 snd_soc_component_update_bits(component, w->reg, 685 (1 << (w->shift+2)), 0); 686 break; 687 default: 688 return -EINVAL; 689 } 690 691 return 0; 692} 693 694static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = { 695 696 SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0), 697 SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0), 698 699 SND_SOC_DAPM_DAC("DACL1", "HiFi Playback", 700 M98095_091_PWR_EN_OUT, 0, 0), 701 SND_SOC_DAPM_DAC("DACR1", "HiFi Playback", 702 M98095_091_PWR_EN_OUT, 1, 0), 703 SND_SOC_DAPM_DAC("DACM2", "Aux Playback", 704 M98095_091_PWR_EN_OUT, 2, 0), 705 SND_SOC_DAPM_DAC("DACM3", "Voice Playback", 706 M98095_091_PWR_EN_OUT, 2, 0), 707 708 SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT, 709 6, 0, NULL, 0), 710 SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT, 711 7, 0, NULL, 0), 712 713 SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT, 714 4, 0, NULL, 0), 715 SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT, 716 5, 0, NULL, 0), 717 718 SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT, 719 3, 0, NULL, 0), 720 721 SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT, 722 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD), 723 SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT, 724 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD), 725 726 SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0, 727 &max98095_extmic_mux), 728 729 SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0, 730 &max98095_linein_mux), 731 732 SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0, 733 &max98095_left_hp_mixer_controls[0], 734 ARRAY_SIZE(max98095_left_hp_mixer_controls)), 735 736 SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0, 737 &max98095_right_hp_mixer_controls[0], 738 ARRAY_SIZE(max98095_right_hp_mixer_controls)), 739 740 SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0, 741 &max98095_left_speaker_mixer_controls[0], 742 ARRAY_SIZE(max98095_left_speaker_mixer_controls)), 743 744 SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0, 745 &max98095_right_speaker_mixer_controls[0], 746 ARRAY_SIZE(max98095_right_speaker_mixer_controls)), 747 748 SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0, 749 &max98095_mono_rcv_mixer_controls[0], 750 ARRAY_SIZE(max98095_mono_rcv_mixer_controls)), 751 752 SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0, 753 &max98095_left_lineout_mixer_controls[0], 754 ARRAY_SIZE(max98095_left_lineout_mixer_controls)), 755 756 SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0, 757 &max98095_right_lineout_mixer_controls[0], 758 ARRAY_SIZE(max98095_right_lineout_mixer_controls)), 759 760 SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0, 761 &max98095_left_ADC_mixer_controls[0], 762 ARRAY_SIZE(max98095_left_ADC_mixer_controls)), 763 764 SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0, 765 &max98095_right_ADC_mixer_controls[0], 766 ARRAY_SIZE(max98095_right_ADC_mixer_controls)), 767 768 SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1, 769 5, 0, NULL, 0, max98095_mic_event, 770 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 771 772 SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2, 773 5, 0, NULL, 0, max98095_mic_event, 774 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 775 776 SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN, 777 7, 0, NULL, 0, max98095_pga_in1_event, 778 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 779 780 SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN, 781 7, 0, NULL, 0, max98095_pga_in2_event, 782 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 783 784 SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0), 785 SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0), 786 787 SND_SOC_DAPM_OUTPUT("HPL"), 788 SND_SOC_DAPM_OUTPUT("HPR"), 789 SND_SOC_DAPM_OUTPUT("SPKL"), 790 SND_SOC_DAPM_OUTPUT("SPKR"), 791 SND_SOC_DAPM_OUTPUT("RCV"), 792 SND_SOC_DAPM_OUTPUT("OUT1"), 793 SND_SOC_DAPM_OUTPUT("OUT2"), 794 SND_SOC_DAPM_OUTPUT("OUT3"), 795 SND_SOC_DAPM_OUTPUT("OUT4"), 796 797 SND_SOC_DAPM_INPUT("MIC1"), 798 SND_SOC_DAPM_INPUT("MIC2"), 799 SND_SOC_DAPM_INPUT("INA1"), 800 SND_SOC_DAPM_INPUT("INA2"), 801 SND_SOC_DAPM_INPUT("INB1"), 802 SND_SOC_DAPM_INPUT("INB2"), 803}; 804 805static const struct snd_soc_dapm_route max98095_audio_map[] = { 806 /* Left headphone output mixer */ 807 {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"}, 808 {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"}, 809 {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"}, 810 {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"}, 811 {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"}, 812 {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"}, 813 814 /* Right headphone output mixer */ 815 {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"}, 816 {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"}, 817 {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"}, 818 {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"}, 819 {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"}, 820 {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"}, 821 822 /* Left speaker output mixer */ 823 {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"}, 824 {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"}, 825 {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"}, 826 {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"}, 827 {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"}, 828 {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"}, 829 {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"}, 830 {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"}, 831 832 /* Right speaker output mixer */ 833 {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"}, 834 {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"}, 835 {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"}, 836 {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"}, 837 {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"}, 838 {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"}, 839 {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"}, 840 {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"}, 841 842 /* Earpiece/Receiver output mixer */ 843 {"Receiver Mixer", "Left DAC1 Switch", "DACL1"}, 844 {"Receiver Mixer", "Right DAC1 Switch", "DACR1"}, 845 {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"}, 846 {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"}, 847 {"Receiver Mixer", "IN1 Switch", "IN1 Input"}, 848 {"Receiver Mixer", "IN2 Switch", "IN2 Input"}, 849 850 /* Left Lineout output mixer */ 851 {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"}, 852 {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"}, 853 {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"}, 854 {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"}, 855 {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"}, 856 {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"}, 857 858 /* Right lineout output mixer */ 859 {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"}, 860 {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"}, 861 {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"}, 862 {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"}, 863 {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"}, 864 {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"}, 865 866 {"HP Left Out", NULL, "Left Headphone Mixer"}, 867 {"HP Right Out", NULL, "Right Headphone Mixer"}, 868 {"SPK Left Out", NULL, "Left Speaker Mixer"}, 869 {"SPK Right Out", NULL, "Right Speaker Mixer"}, 870 {"RCV Mono Out", NULL, "Receiver Mixer"}, 871 {"LINE Left Out", NULL, "Left Lineout Mixer"}, 872 {"LINE Right Out", NULL, "Right Lineout Mixer"}, 873 874 {"HPL", NULL, "HP Left Out"}, 875 {"HPR", NULL, "HP Right Out"}, 876 {"SPKL", NULL, "SPK Left Out"}, 877 {"SPKR", NULL, "SPK Right Out"}, 878 {"RCV", NULL, "RCV Mono Out"}, 879 {"OUT1", NULL, "LINE Left Out"}, 880 {"OUT2", NULL, "LINE Right Out"}, 881 {"OUT3", NULL, "LINE Left Out"}, 882 {"OUT4", NULL, "LINE Right Out"}, 883 884 /* Left ADC input mixer */ 885 {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"}, 886 {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"}, 887 {"Left ADC Mixer", "IN1 Switch", "IN1 Input"}, 888 {"Left ADC Mixer", "IN2 Switch", "IN2 Input"}, 889 890 /* Right ADC input mixer */ 891 {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"}, 892 {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"}, 893 {"Right ADC Mixer", "IN1 Switch", "IN1 Input"}, 894 {"Right ADC Mixer", "IN2 Switch", "IN2 Input"}, 895 896 /* Inputs */ 897 {"ADCL", NULL, "Left ADC Mixer"}, 898 {"ADCR", NULL, "Right ADC Mixer"}, 899 900 {"IN1 Input", NULL, "INA1"}, 901 {"IN2 Input", NULL, "INA2"}, 902 903 {"MIC1 Input", NULL, "MIC1"}, 904 {"MIC2 Input", NULL, "MIC2"}, 905}; 906 907/* codec mclk clock divider coefficients */ 908static const struct { 909 u32 rate; 910 u8 sr; 911} rate_table[] = { 912 {8000, 0x01}, 913 {11025, 0x02}, 914 {16000, 0x03}, 915 {22050, 0x04}, 916 {24000, 0x05}, 917 {32000, 0x06}, 918 {44100, 0x07}, 919 {48000, 0x08}, 920 {88200, 0x09}, 921 {96000, 0x0A}, 922}; 923 924static int rate_value(int rate, u8 *value) 925{ 926 int i; 927 928 for (i = 0; i < ARRAY_SIZE(rate_table); i++) { 929 if (rate_table[i].rate >= rate) { 930 *value = rate_table[i].sr; 931 return 0; 932 } 933 } 934 *value = rate_table[0].sr; 935 return -EINVAL; 936} 937 938static int max98095_dai1_hw_params(struct snd_pcm_substream *substream, 939 struct snd_pcm_hw_params *params, 940 struct snd_soc_dai *dai) 941{ 942 struct snd_soc_component *component = dai->component; 943 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 944 struct max98095_cdata *cdata; 945 unsigned long long ni; 946 unsigned int rate; 947 u8 regval; 948 949 cdata = &max98095->dai[0]; 950 951 rate = params_rate(params); 952 953 switch (params_width(params)) { 954 case 16: 955 snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT, 956 M98095_DAI_WS, 0); 957 break; 958 case 24: 959 snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT, 960 M98095_DAI_WS, M98095_DAI_WS); 961 break; 962 default: 963 return -EINVAL; 964 } 965 966 if (rate_value(rate, ®val)) 967 return -EINVAL; 968 969 snd_soc_component_update_bits(component, M98095_027_DAI1_CLKMODE, 970 M98095_CLKMODE_MASK, regval); 971 cdata->rate = rate; 972 973 /* Configure NI when operating as master */ 974 if (snd_soc_component_read(component, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) { 975 if (max98095->sysclk == 0) { 976 dev_err(component->dev, "Invalid system clock frequency\n"); 977 return -EINVAL; 978 } 979 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) 980 * (unsigned long long int)rate; 981 do_div(ni, (unsigned long long int)max98095->sysclk); 982 snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI, 983 (ni >> 8) & 0x7F); 984 snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO, 985 ni & 0xFF); 986 } 987 988 /* Update sample rate mode */ 989 if (rate < 50000) 990 snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS, 991 M98095_DAI_DHF, 0); 992 else 993 snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS, 994 M98095_DAI_DHF, M98095_DAI_DHF); 995 996 return 0; 997} 998 999static int max98095_dai2_hw_params(struct snd_pcm_substream *substream, 1000 struct snd_pcm_hw_params *params, 1001 struct snd_soc_dai *dai) 1002{ 1003 struct snd_soc_component *component = dai->component; 1004 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1005 struct max98095_cdata *cdata; 1006 unsigned long long ni; 1007 unsigned int rate; 1008 u8 regval; 1009 1010 cdata = &max98095->dai[1]; 1011 1012 rate = params_rate(params); 1013 1014 switch (params_width(params)) { 1015 case 16: 1016 snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT, 1017 M98095_DAI_WS, 0); 1018 break; 1019 case 24: 1020 snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT, 1021 M98095_DAI_WS, M98095_DAI_WS); 1022 break; 1023 default: 1024 return -EINVAL; 1025 } 1026 1027 if (rate_value(rate, ®val)) 1028 return -EINVAL; 1029 1030 snd_soc_component_update_bits(component, M98095_031_DAI2_CLKMODE, 1031 M98095_CLKMODE_MASK, regval); 1032 cdata->rate = rate; 1033 1034 /* Configure NI when operating as master */ 1035 if (snd_soc_component_read(component, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) { 1036 if (max98095->sysclk == 0) { 1037 dev_err(component->dev, "Invalid system clock frequency\n"); 1038 return -EINVAL; 1039 } 1040 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) 1041 * (unsigned long long int)rate; 1042 do_div(ni, (unsigned long long int)max98095->sysclk); 1043 snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI, 1044 (ni >> 8) & 0x7F); 1045 snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO, 1046 ni & 0xFF); 1047 } 1048 1049 /* Update sample rate mode */ 1050 if (rate < 50000) 1051 snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS, 1052 M98095_DAI_DHF, 0); 1053 else 1054 snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS, 1055 M98095_DAI_DHF, M98095_DAI_DHF); 1056 1057 return 0; 1058} 1059 1060static int max98095_dai3_hw_params(struct snd_pcm_substream *substream, 1061 struct snd_pcm_hw_params *params, 1062 struct snd_soc_dai *dai) 1063{ 1064 struct snd_soc_component *component = dai->component; 1065 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1066 struct max98095_cdata *cdata; 1067 unsigned long long ni; 1068 unsigned int rate; 1069 u8 regval; 1070 1071 cdata = &max98095->dai[2]; 1072 1073 rate = params_rate(params); 1074 1075 switch (params_width(params)) { 1076 case 16: 1077 snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT, 1078 M98095_DAI_WS, 0); 1079 break; 1080 case 24: 1081 snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT, 1082 M98095_DAI_WS, M98095_DAI_WS); 1083 break; 1084 default: 1085 return -EINVAL; 1086 } 1087 1088 if (rate_value(rate, ®val)) 1089 return -EINVAL; 1090 1091 snd_soc_component_update_bits(component, M98095_03B_DAI3_CLKMODE, 1092 M98095_CLKMODE_MASK, regval); 1093 cdata->rate = rate; 1094 1095 /* Configure NI when operating as master */ 1096 if (snd_soc_component_read(component, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) { 1097 if (max98095->sysclk == 0) { 1098 dev_err(component->dev, "Invalid system clock frequency\n"); 1099 return -EINVAL; 1100 } 1101 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) 1102 * (unsigned long long int)rate; 1103 do_div(ni, (unsigned long long int)max98095->sysclk); 1104 snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI, 1105 (ni >> 8) & 0x7F); 1106 snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO, 1107 ni & 0xFF); 1108 } 1109 1110 /* Update sample rate mode */ 1111 if (rate < 50000) 1112 snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS, 1113 M98095_DAI_DHF, 0); 1114 else 1115 snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS, 1116 M98095_DAI_DHF, M98095_DAI_DHF); 1117 1118 return 0; 1119} 1120 1121static int max98095_dai_set_sysclk(struct snd_soc_dai *dai, 1122 int clk_id, unsigned int freq, int dir) 1123{ 1124 struct snd_soc_component *component = dai->component; 1125 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1126 1127 /* Requested clock frequency is already setup */ 1128 if (freq == max98095->sysclk) 1129 return 0; 1130 1131 if (!IS_ERR(max98095->mclk)) { 1132 freq = clk_round_rate(max98095->mclk, freq); 1133 clk_set_rate(max98095->mclk, freq); 1134 } 1135 1136 /* Setup clocks for slave mode, and using the PLL 1137 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz) 1138 * 0x02 (when master clk is 20MHz to 40MHz).. 1139 * 0x03 (when master clk is 40MHz to 60MHz).. 1140 */ 1141 if ((freq >= 10000000) && (freq < 20000000)) { 1142 snd_soc_component_write(component, M98095_026_SYS_CLK, 0x10); 1143 } else if ((freq >= 20000000) && (freq < 40000000)) { 1144 snd_soc_component_write(component, M98095_026_SYS_CLK, 0x20); 1145 } else if ((freq >= 40000000) && (freq < 60000000)) { 1146 snd_soc_component_write(component, M98095_026_SYS_CLK, 0x30); 1147 } else { 1148 dev_err(component->dev, "Invalid master clock frequency\n"); 1149 return -EINVAL; 1150 } 1151 1152 dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); 1153 1154 max98095->sysclk = freq; 1155 return 0; 1156} 1157 1158static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai, 1159 unsigned int fmt) 1160{ 1161 struct snd_soc_component *component = codec_dai->component; 1162 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1163 struct max98095_cdata *cdata; 1164 u8 regval = 0; 1165 1166 cdata = &max98095->dai[0]; 1167 1168 if (fmt != cdata->fmt) { 1169 cdata->fmt = fmt; 1170 1171 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 1172 case SND_SOC_DAIFMT_CBC_CFC: 1173 /* Consumer mode PLL */ 1174 snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI, 1175 0x80); 1176 snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO, 1177 0x00); 1178 break; 1179 case SND_SOC_DAIFMT_CBP_CFP: 1180 /* Set to provider mode */ 1181 regval |= M98095_DAI_MAS; 1182 break; 1183 default: 1184 dev_err(component->dev, "Clock mode unsupported"); 1185 return -EINVAL; 1186 } 1187 1188 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1189 case SND_SOC_DAIFMT_I2S: 1190 regval |= M98095_DAI_DLY; 1191 break; 1192 case SND_SOC_DAIFMT_LEFT_J: 1193 break; 1194 default: 1195 return -EINVAL; 1196 } 1197 1198 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1199 case SND_SOC_DAIFMT_NB_NF: 1200 break; 1201 case SND_SOC_DAIFMT_NB_IF: 1202 regval |= M98095_DAI_WCI; 1203 break; 1204 case SND_SOC_DAIFMT_IB_NF: 1205 regval |= M98095_DAI_BCI; 1206 break; 1207 case SND_SOC_DAIFMT_IB_IF: 1208 regval |= M98095_DAI_BCI|M98095_DAI_WCI; 1209 break; 1210 default: 1211 return -EINVAL; 1212 } 1213 1214 snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT, 1215 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | 1216 M98095_DAI_WCI, regval); 1217 1218 snd_soc_component_write(component, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64); 1219 } 1220 1221 return 0; 1222} 1223 1224static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai, 1225 unsigned int fmt) 1226{ 1227 struct snd_soc_component *component = codec_dai->component; 1228 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1229 struct max98095_cdata *cdata; 1230 u8 regval = 0; 1231 1232 cdata = &max98095->dai[1]; 1233 1234 if (fmt != cdata->fmt) { 1235 cdata->fmt = fmt; 1236 1237 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 1238 case SND_SOC_DAIFMT_CBC_CFC: 1239 /* Consumer mode PLL */ 1240 snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI, 1241 0x80); 1242 snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO, 1243 0x00); 1244 break; 1245 case SND_SOC_DAIFMT_CBP_CFP: 1246 /* Set to provider mode */ 1247 regval |= M98095_DAI_MAS; 1248 break; 1249 default: 1250 dev_err(component->dev, "Clock mode unsupported"); 1251 return -EINVAL; 1252 } 1253 1254 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1255 case SND_SOC_DAIFMT_I2S: 1256 regval |= M98095_DAI_DLY; 1257 break; 1258 case SND_SOC_DAIFMT_LEFT_J: 1259 break; 1260 default: 1261 return -EINVAL; 1262 } 1263 1264 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1265 case SND_SOC_DAIFMT_NB_NF: 1266 break; 1267 case SND_SOC_DAIFMT_NB_IF: 1268 regval |= M98095_DAI_WCI; 1269 break; 1270 case SND_SOC_DAIFMT_IB_NF: 1271 regval |= M98095_DAI_BCI; 1272 break; 1273 case SND_SOC_DAIFMT_IB_IF: 1274 regval |= M98095_DAI_BCI|M98095_DAI_WCI; 1275 break; 1276 default: 1277 return -EINVAL; 1278 } 1279 1280 snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT, 1281 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | 1282 M98095_DAI_WCI, regval); 1283 1284 snd_soc_component_write(component, M98095_035_DAI2_CLOCK, 1285 M98095_DAI_BSEL64); 1286 } 1287 1288 return 0; 1289} 1290 1291static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai, 1292 unsigned int fmt) 1293{ 1294 struct snd_soc_component *component = codec_dai->component; 1295 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1296 struct max98095_cdata *cdata; 1297 u8 regval = 0; 1298 1299 cdata = &max98095->dai[2]; 1300 1301 if (fmt != cdata->fmt) { 1302 cdata->fmt = fmt; 1303 1304 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 1305 case SND_SOC_DAIFMT_CBC_CFC: 1306 /* Consumer mode PLL */ 1307 snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI, 1308 0x80); 1309 snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO, 1310 0x00); 1311 break; 1312 case SND_SOC_DAIFMT_CBP_CFP: 1313 /* Set to provider mode */ 1314 regval |= M98095_DAI_MAS; 1315 break; 1316 default: 1317 dev_err(component->dev, "Clock mode unsupported"); 1318 return -EINVAL; 1319 } 1320 1321 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1322 case SND_SOC_DAIFMT_I2S: 1323 regval |= M98095_DAI_DLY; 1324 break; 1325 case SND_SOC_DAIFMT_LEFT_J: 1326 break; 1327 default: 1328 return -EINVAL; 1329 } 1330 1331 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1332 case SND_SOC_DAIFMT_NB_NF: 1333 break; 1334 case SND_SOC_DAIFMT_NB_IF: 1335 regval |= M98095_DAI_WCI; 1336 break; 1337 case SND_SOC_DAIFMT_IB_NF: 1338 regval |= M98095_DAI_BCI; 1339 break; 1340 case SND_SOC_DAIFMT_IB_IF: 1341 regval |= M98095_DAI_BCI|M98095_DAI_WCI; 1342 break; 1343 default: 1344 return -EINVAL; 1345 } 1346 1347 snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT, 1348 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI | 1349 M98095_DAI_WCI, regval); 1350 1351 snd_soc_component_write(component, M98095_03F_DAI3_CLOCK, 1352 M98095_DAI_BSEL64); 1353 } 1354 1355 return 0; 1356} 1357 1358static int max98095_set_bias_level(struct snd_soc_component *component, 1359 enum snd_soc_bias_level level) 1360{ 1361 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1362 int ret; 1363 1364 switch (level) { 1365 case SND_SOC_BIAS_ON: 1366 break; 1367 1368 case SND_SOC_BIAS_PREPARE: 1369 /* 1370 * SND_SOC_BIAS_PREPARE is called while preparing for a 1371 * transition to ON or away from ON. If current bias_level 1372 * is SND_SOC_BIAS_ON, then it is preparing for a transition 1373 * away from ON. Disable the clock in that case, otherwise 1374 * enable it. 1375 */ 1376 if (IS_ERR(max98095->mclk)) 1377 break; 1378 1379 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) { 1380 clk_disable_unprepare(max98095->mclk); 1381 } else { 1382 ret = clk_prepare_enable(max98095->mclk); 1383 if (ret) 1384 return ret; 1385 } 1386 break; 1387 1388 case SND_SOC_BIAS_STANDBY: 1389 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1390 ret = regcache_sync(max98095->regmap); 1391 1392 if (ret != 0) { 1393 dev_err(component->dev, "Failed to sync cache: %d\n", ret); 1394 return ret; 1395 } 1396 } 1397 1398 snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN, 1399 M98095_MBEN, M98095_MBEN); 1400 break; 1401 1402 case SND_SOC_BIAS_OFF: 1403 snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN, 1404 M98095_MBEN, 0); 1405 regcache_mark_dirty(max98095->regmap); 1406 break; 1407 } 1408 return 0; 1409} 1410 1411#define MAX98095_RATES SNDRV_PCM_RATE_8000_96000 1412#define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE) 1413 1414static const struct snd_soc_dai_ops max98095_dai1_ops = { 1415 .set_sysclk = max98095_dai_set_sysclk, 1416 .set_fmt = max98095_dai1_set_fmt, 1417 .hw_params = max98095_dai1_hw_params, 1418}; 1419 1420static const struct snd_soc_dai_ops max98095_dai2_ops = { 1421 .set_sysclk = max98095_dai_set_sysclk, 1422 .set_fmt = max98095_dai2_set_fmt, 1423 .hw_params = max98095_dai2_hw_params, 1424}; 1425 1426static const struct snd_soc_dai_ops max98095_dai3_ops = { 1427 .set_sysclk = max98095_dai_set_sysclk, 1428 .set_fmt = max98095_dai3_set_fmt, 1429 .hw_params = max98095_dai3_hw_params, 1430}; 1431 1432static struct snd_soc_dai_driver max98095_dai[] = { 1433{ 1434 .name = "HiFi", 1435 .playback = { 1436 .stream_name = "HiFi Playback", 1437 .channels_min = 1, 1438 .channels_max = 2, 1439 .rates = MAX98095_RATES, 1440 .formats = MAX98095_FORMATS, 1441 }, 1442 .capture = { 1443 .stream_name = "HiFi Capture", 1444 .channels_min = 1, 1445 .channels_max = 2, 1446 .rates = MAX98095_RATES, 1447 .formats = MAX98095_FORMATS, 1448 }, 1449 .ops = &max98095_dai1_ops, 1450}, 1451{ 1452 .name = "Aux", 1453 .playback = { 1454 .stream_name = "Aux Playback", 1455 .channels_min = 1, 1456 .channels_max = 1, 1457 .rates = MAX98095_RATES, 1458 .formats = MAX98095_FORMATS, 1459 }, 1460 .ops = &max98095_dai2_ops, 1461}, 1462{ 1463 .name = "Voice", 1464 .playback = { 1465 .stream_name = "Voice Playback", 1466 .channels_min = 1, 1467 .channels_max = 1, 1468 .rates = MAX98095_RATES, 1469 .formats = MAX98095_FORMATS, 1470 }, 1471 .ops = &max98095_dai3_ops, 1472} 1473 1474}; 1475 1476static int max98095_get_eq_channel(const char *name) 1477{ 1478 if (strcmp(name, "EQ1 Mode") == 0) 1479 return 0; 1480 if (strcmp(name, "EQ2 Mode") == 0) 1481 return 1; 1482 return -EINVAL; 1483} 1484 1485static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, 1486 struct snd_ctl_elem_value *ucontrol) 1487{ 1488 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1489 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1490 struct max98095_pdata *pdata = max98095->pdata; 1491 int channel = max98095_get_eq_channel(kcontrol->id.name); 1492 struct max98095_cdata *cdata; 1493 unsigned int sel = ucontrol->value.enumerated.item[0]; 1494 struct max98095_eq_cfg *coef_set; 1495 int fs, best, best_val, i; 1496 int regmask, regsave; 1497 1498 if (WARN_ON(channel > 1)) 1499 return -EINVAL; 1500 1501 if (!pdata || !max98095->eq_textcnt) 1502 return 0; 1503 1504 if (sel >= pdata->eq_cfgcnt) 1505 return -EINVAL; 1506 1507 cdata = &max98095->dai[channel]; 1508 cdata->eq_sel = sel; 1509 fs = cdata->rate; 1510 1511 /* Find the selected configuration with nearest sample rate */ 1512 best = 0; 1513 best_val = INT_MAX; 1514 for (i = 0; i < pdata->eq_cfgcnt; i++) { 1515 if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 && 1516 abs(pdata->eq_cfg[i].rate - fs) < best_val) { 1517 best = i; 1518 best_val = abs(pdata->eq_cfg[i].rate - fs); 1519 } 1520 } 1521 1522 dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n", 1523 pdata->eq_cfg[best].name, 1524 pdata->eq_cfg[best].rate, fs); 1525 1526 coef_set = &pdata->eq_cfg[best]; 1527 1528 regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN; 1529 1530 /* Disable filter while configuring, and save current on/off state */ 1531 regsave = snd_soc_component_read(component, M98095_088_CFG_LEVEL); 1532 snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, 0); 1533 1534 mutex_lock(&max98095->lock); 1535 snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG); 1536 m98095_eq_band(component, channel, 0, coef_set->band1); 1537 m98095_eq_band(component, channel, 1, coef_set->band2); 1538 m98095_eq_band(component, channel, 2, coef_set->band3); 1539 m98095_eq_band(component, channel, 3, coef_set->band4); 1540 m98095_eq_band(component, channel, 4, coef_set->band5); 1541 snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, 0); 1542 mutex_unlock(&max98095->lock); 1543 1544 /* Restore the original on/off state */ 1545 snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, regsave); 1546 return 0; 1547} 1548 1549static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol, 1550 struct snd_ctl_elem_value *ucontrol) 1551{ 1552 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1553 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1554 int channel = max98095_get_eq_channel(kcontrol->id.name); 1555 struct max98095_cdata *cdata; 1556 1557 cdata = &max98095->dai[channel]; 1558 ucontrol->value.enumerated.item[0] = cdata->eq_sel; 1559 1560 return 0; 1561} 1562 1563static void max98095_handle_eq_pdata(struct snd_soc_component *component) 1564{ 1565 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1566 struct max98095_pdata *pdata = max98095->pdata; 1567 struct max98095_eq_cfg *cfg; 1568 unsigned int cfgcnt; 1569 int i, j; 1570 const char **t; 1571 int ret; 1572 1573 struct snd_kcontrol_new controls[] = { 1574 SOC_ENUM_EXT("EQ1 Mode", 1575 max98095->eq_enum, 1576 max98095_get_eq_enum, 1577 max98095_put_eq_enum), 1578 SOC_ENUM_EXT("EQ2 Mode", 1579 max98095->eq_enum, 1580 max98095_get_eq_enum, 1581 max98095_put_eq_enum), 1582 }; 1583 1584 cfg = pdata->eq_cfg; 1585 cfgcnt = pdata->eq_cfgcnt; 1586 1587 /* Setup an array of texts for the equalizer enum. 1588 * This is based on Mark Brown's equalizer driver code. 1589 */ 1590 max98095->eq_textcnt = 0; 1591 max98095->eq_texts = NULL; 1592 for (i = 0; i < cfgcnt; i++) { 1593 for (j = 0; j < max98095->eq_textcnt; j++) { 1594 if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0) 1595 break; 1596 } 1597 1598 if (j != max98095->eq_textcnt) 1599 continue; 1600 1601 /* Expand the array */ 1602 t = krealloc(max98095->eq_texts, 1603 sizeof(char *) * (max98095->eq_textcnt + 1), 1604 GFP_KERNEL); 1605 if (t == NULL) 1606 continue; 1607 1608 /* Store the new entry */ 1609 t[max98095->eq_textcnt] = cfg[i].name; 1610 max98095->eq_textcnt++; 1611 max98095->eq_texts = t; 1612 } 1613 1614 /* Now point the soc_enum to .texts array items */ 1615 max98095->eq_enum.texts = max98095->eq_texts; 1616 max98095->eq_enum.items = max98095->eq_textcnt; 1617 1618 ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls)); 1619 if (ret != 0) 1620 dev_err(component->dev, "Failed to add EQ control: %d\n", ret); 1621} 1622 1623static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"}; 1624 1625static int max98095_get_bq_channel(struct snd_soc_component *component, 1626 const char *name) 1627{ 1628 int ret; 1629 1630 ret = match_string(bq_mode_name, ARRAY_SIZE(bq_mode_name), name); 1631 if (ret < 0) 1632 dev_err(component->dev, "Bad biquad channel name '%s'\n", name); 1633 return ret; 1634} 1635 1636static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, 1637 struct snd_ctl_elem_value *ucontrol) 1638{ 1639 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1640 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1641 struct max98095_pdata *pdata = max98095->pdata; 1642 int channel = max98095_get_bq_channel(component, kcontrol->id.name); 1643 struct max98095_cdata *cdata; 1644 unsigned int sel = ucontrol->value.enumerated.item[0]; 1645 struct max98095_biquad_cfg *coef_set; 1646 int fs, best, best_val, i; 1647 int regmask, regsave; 1648 1649 if (channel < 0) 1650 return channel; 1651 1652 if (!pdata || !max98095->bq_textcnt) 1653 return 0; 1654 1655 if (sel >= pdata->bq_cfgcnt) 1656 return -EINVAL; 1657 1658 cdata = &max98095->dai[channel]; 1659 cdata->bq_sel = sel; 1660 fs = cdata->rate; 1661 1662 /* Find the selected configuration with nearest sample rate */ 1663 best = 0; 1664 best_val = INT_MAX; 1665 for (i = 0; i < pdata->bq_cfgcnt; i++) { 1666 if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 && 1667 abs(pdata->bq_cfg[i].rate - fs) < best_val) { 1668 best = i; 1669 best_val = abs(pdata->bq_cfg[i].rate - fs); 1670 } 1671 } 1672 1673 dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n", 1674 pdata->bq_cfg[best].name, 1675 pdata->bq_cfg[best].rate, fs); 1676 1677 coef_set = &pdata->bq_cfg[best]; 1678 1679 regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN; 1680 1681 /* Disable filter while configuring, and save current on/off state */ 1682 regsave = snd_soc_component_read(component, M98095_088_CFG_LEVEL); 1683 snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, 0); 1684 1685 mutex_lock(&max98095->lock); 1686 snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG); 1687 m98095_biquad_band(component, channel, 0, coef_set->band1); 1688 m98095_biquad_band(component, channel, 1, coef_set->band2); 1689 snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, 0); 1690 mutex_unlock(&max98095->lock); 1691 1692 /* Restore the original on/off state */ 1693 snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, regsave); 1694 return 0; 1695} 1696 1697static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol, 1698 struct snd_ctl_elem_value *ucontrol) 1699{ 1700 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1701 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1702 int channel = max98095_get_bq_channel(component, kcontrol->id.name); 1703 struct max98095_cdata *cdata; 1704 1705 if (channel < 0) 1706 return channel; 1707 1708 cdata = &max98095->dai[channel]; 1709 ucontrol->value.enumerated.item[0] = cdata->bq_sel; 1710 1711 return 0; 1712} 1713 1714static void max98095_handle_bq_pdata(struct snd_soc_component *component) 1715{ 1716 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1717 struct max98095_pdata *pdata = max98095->pdata; 1718 struct max98095_biquad_cfg *cfg; 1719 unsigned int cfgcnt; 1720 int i, j; 1721 const char **t; 1722 int ret; 1723 1724 struct snd_kcontrol_new controls[] = { 1725 SOC_ENUM_EXT((char *)bq_mode_name[0], 1726 max98095->bq_enum, 1727 max98095_get_bq_enum, 1728 max98095_put_bq_enum), 1729 SOC_ENUM_EXT((char *)bq_mode_name[1], 1730 max98095->bq_enum, 1731 max98095_get_bq_enum, 1732 max98095_put_bq_enum), 1733 }; 1734 BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name)); 1735 1736 cfg = pdata->bq_cfg; 1737 cfgcnt = pdata->bq_cfgcnt; 1738 1739 /* Setup an array of texts for the biquad enum. 1740 * This is based on Mark Brown's equalizer driver code. 1741 */ 1742 max98095->bq_textcnt = 0; 1743 max98095->bq_texts = NULL; 1744 for (i = 0; i < cfgcnt; i++) { 1745 for (j = 0; j < max98095->bq_textcnt; j++) { 1746 if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0) 1747 break; 1748 } 1749 1750 if (j != max98095->bq_textcnt) 1751 continue; 1752 1753 /* Expand the array */ 1754 t = krealloc(max98095->bq_texts, 1755 sizeof(char *) * (max98095->bq_textcnt + 1), 1756 GFP_KERNEL); 1757 if (t == NULL) 1758 continue; 1759 1760 /* Store the new entry */ 1761 t[max98095->bq_textcnt] = cfg[i].name; 1762 max98095->bq_textcnt++; 1763 max98095->bq_texts = t; 1764 } 1765 1766 /* Now point the soc_enum to .texts array items */ 1767 max98095->bq_enum.texts = max98095->bq_texts; 1768 max98095->bq_enum.items = max98095->bq_textcnt; 1769 1770 ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls)); 1771 if (ret != 0) 1772 dev_err(component->dev, "Failed to add Biquad control: %d\n", ret); 1773} 1774 1775static void max98095_handle_pdata(struct snd_soc_component *component) 1776{ 1777 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1778 struct max98095_pdata *pdata = max98095->pdata; 1779 u8 regval = 0; 1780 1781 if (!pdata) { 1782 dev_dbg(component->dev, "No platform data\n"); 1783 return; 1784 } 1785 1786 /* Configure mic for analog/digital mic mode */ 1787 if (pdata->digmic_left_mode) 1788 regval |= M98095_DIGMIC_L; 1789 1790 if (pdata->digmic_right_mode) 1791 regval |= M98095_DIGMIC_R; 1792 1793 snd_soc_component_write(component, M98095_087_CFG_MIC, regval); 1794 1795 /* Configure equalizers */ 1796 if (pdata->eq_cfgcnt) 1797 max98095_handle_eq_pdata(component); 1798 1799 /* Configure bi-quad filters */ 1800 if (pdata->bq_cfgcnt) 1801 max98095_handle_bq_pdata(component); 1802} 1803 1804static irqreturn_t max98095_report_jack(int irq, void *data) 1805{ 1806 struct snd_soc_component *component = data; 1807 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1808 unsigned int value; 1809 int hp_report = 0; 1810 int mic_report = 0; 1811 1812 /* Read the Jack Status Register */ 1813 value = snd_soc_component_read(component, M98095_007_JACK_AUTO_STS); 1814 1815 /* If ddone is not set, then detection isn't finished yet */ 1816 if ((value & M98095_DDONE) == 0) 1817 return IRQ_NONE; 1818 1819 /* if hp, check its bit, and if set, clear it */ 1820 if ((value & M98095_HP_IN || value & M98095_LO_IN) && 1821 max98095->headphone_jack) 1822 hp_report |= SND_JACK_HEADPHONE; 1823 1824 /* if mic, check its bit, and if set, clear it */ 1825 if ((value & M98095_MIC_IN) && max98095->mic_jack) 1826 mic_report |= SND_JACK_MICROPHONE; 1827 1828 if (max98095->headphone_jack == max98095->mic_jack) { 1829 snd_soc_jack_report(max98095->headphone_jack, 1830 hp_report | mic_report, 1831 SND_JACK_HEADSET); 1832 } else { 1833 if (max98095->headphone_jack) 1834 snd_soc_jack_report(max98095->headphone_jack, 1835 hp_report, SND_JACK_HEADPHONE); 1836 if (max98095->mic_jack) 1837 snd_soc_jack_report(max98095->mic_jack, 1838 mic_report, SND_JACK_MICROPHONE); 1839 } 1840 1841 return IRQ_HANDLED; 1842} 1843 1844static int max98095_jack_detect_enable(struct snd_soc_component *component) 1845{ 1846 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1847 int ret = 0; 1848 int detect_enable = M98095_JDEN; 1849 unsigned int slew = M98095_DEFAULT_SLEW_DELAY; 1850 1851 if (max98095->pdata->jack_detect_pin5en) 1852 detect_enable |= M98095_PIN5EN; 1853 1854 if (max98095->pdata->jack_detect_delay) 1855 slew = max98095->pdata->jack_detect_delay; 1856 1857 ret = snd_soc_component_write(component, M98095_08E_JACK_DC_SLEW, slew); 1858 if (ret < 0) { 1859 dev_err(component->dev, "Failed to cfg auto detect %d\n", ret); 1860 return ret; 1861 } 1862 1863 /* configure auto detection to be enabled */ 1864 ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, detect_enable); 1865 if (ret < 0) { 1866 dev_err(component->dev, "Failed to cfg auto detect %d\n", ret); 1867 return ret; 1868 } 1869 1870 return ret; 1871} 1872 1873static int max98095_jack_detect_disable(struct snd_soc_component *component) 1874{ 1875 int ret = 0; 1876 1877 /* configure auto detection to be disabled */ 1878 ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, 0x0); 1879 if (ret < 0) { 1880 dev_err(component->dev, "Failed to cfg auto detect %d\n", ret); 1881 return ret; 1882 } 1883 1884 return ret; 1885} 1886 1887int max98095_jack_detect(struct snd_soc_component *component, 1888 struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack) 1889{ 1890 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1891 struct i2c_client *client = to_i2c_client(component->dev); 1892 int ret = 0; 1893 1894 max98095->headphone_jack = hp_jack; 1895 max98095->mic_jack = mic_jack; 1896 1897 /* only progress if we have at least 1 jack pointer */ 1898 if (!hp_jack && !mic_jack) 1899 return -EINVAL; 1900 1901 max98095_jack_detect_enable(component); 1902 1903 /* enable interrupts for headphone jack detection */ 1904 ret = snd_soc_component_update_bits(component, M98095_013_JACK_INT_EN, 1905 M98095_IDDONE, M98095_IDDONE); 1906 if (ret < 0) { 1907 dev_err(component->dev, "Failed to cfg jack irqs %d\n", ret); 1908 return ret; 1909 } 1910 1911 max98095_report_jack(client->irq, component); 1912 return 0; 1913} 1914EXPORT_SYMBOL_GPL(max98095_jack_detect); 1915 1916#ifdef CONFIG_PM 1917static int max98095_suspend(struct snd_soc_component *component) 1918{ 1919 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1920 1921 if (max98095->headphone_jack || max98095->mic_jack) 1922 max98095_jack_detect_disable(component); 1923 1924 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF); 1925 1926 return 0; 1927} 1928 1929static int max98095_resume(struct snd_soc_component *component) 1930{ 1931 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1932 struct i2c_client *client = to_i2c_client(component->dev); 1933 1934 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY); 1935 1936 if (max98095->headphone_jack || max98095->mic_jack) { 1937 max98095_jack_detect_enable(component); 1938 max98095_report_jack(client->irq, component); 1939 } 1940 1941 return 0; 1942} 1943#else 1944#define max98095_suspend NULL 1945#define max98095_resume NULL 1946#endif 1947 1948static int max98095_reset(struct snd_soc_component *component) 1949{ 1950 int i, ret; 1951 1952 /* Gracefully reset the DSP core and the codec hardware 1953 * in a proper sequence */ 1954 ret = snd_soc_component_write(component, M98095_00F_HOST_CFG, 0); 1955 if (ret < 0) { 1956 dev_err(component->dev, "Failed to reset DSP: %d\n", ret); 1957 return ret; 1958 } 1959 1960 ret = snd_soc_component_write(component, M98095_097_PWR_SYS, 0); 1961 if (ret < 0) { 1962 dev_err(component->dev, "Failed to reset component: %d\n", ret); 1963 return ret; 1964 } 1965 1966 /* Reset to hardware default for registers, as there is not 1967 * a soft reset hardware control register */ 1968 for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) { 1969 ret = snd_soc_component_write(component, i, snd_soc_component_read(component, i)); 1970 if (ret < 0) { 1971 dev_err(component->dev, "Failed to reset: %d\n", ret); 1972 return ret; 1973 } 1974 } 1975 1976 return ret; 1977} 1978 1979static int max98095_probe(struct snd_soc_component *component) 1980{ 1981 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 1982 struct max98095_cdata *cdata; 1983 struct i2c_client *client; 1984 int ret = 0; 1985 1986 max98095->mclk = devm_clk_get(component->dev, "mclk"); 1987 if (PTR_ERR(max98095->mclk) == -EPROBE_DEFER) 1988 return -EPROBE_DEFER; 1989 1990 /* reset the codec, the DSP core, and disable all interrupts */ 1991 max98095_reset(component); 1992 1993 client = to_i2c_client(component->dev); 1994 1995 /* initialize private data */ 1996 1997 max98095->sysclk = (unsigned)-1; 1998 max98095->eq_textcnt = 0; 1999 max98095->bq_textcnt = 0; 2000 2001 cdata = &max98095->dai[0]; 2002 cdata->rate = (unsigned)-1; 2003 cdata->fmt = (unsigned)-1; 2004 cdata->eq_sel = 0; 2005 cdata->bq_sel = 0; 2006 2007 cdata = &max98095->dai[1]; 2008 cdata->rate = (unsigned)-1; 2009 cdata->fmt = (unsigned)-1; 2010 cdata->eq_sel = 0; 2011 cdata->bq_sel = 0; 2012 2013 cdata = &max98095->dai[2]; 2014 cdata->rate = (unsigned)-1; 2015 cdata->fmt = (unsigned)-1; 2016 cdata->eq_sel = 0; 2017 cdata->bq_sel = 0; 2018 2019 max98095->lin_state = 0; 2020 max98095->mic1pre = 0; 2021 max98095->mic2pre = 0; 2022 2023 if (client->irq) { 2024 /* register an audio interrupt */ 2025 ret = request_threaded_irq(client->irq, NULL, 2026 max98095_report_jack, 2027 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | 2028 IRQF_ONESHOT, "max98095", component); 2029 if (ret) { 2030 dev_err(component->dev, "Failed to request IRQ: %d\n", ret); 2031 goto err_access; 2032 } 2033 } 2034 2035 ret = snd_soc_component_read(component, M98095_0FF_REV_ID); 2036 if (ret < 0) { 2037 dev_err(component->dev, "Failure reading hardware revision: %d\n", 2038 ret); 2039 goto err_irq; 2040 } 2041 dev_info(component->dev, "Hardware revision: %c\n", ret - 0x40 + 'A'); 2042 2043 snd_soc_component_write(component, M98095_097_PWR_SYS, M98095_PWRSV); 2044 2045 snd_soc_component_write(component, M98095_048_MIX_DAC_LR, 2046 M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR); 2047 2048 snd_soc_component_write(component, M98095_049_MIX_DAC_M, 2049 M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM); 2050 2051 snd_soc_component_write(component, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM); 2052 snd_soc_component_write(component, M98095_045_CFG_DSP, M98095_DSPNORMAL); 2053 snd_soc_component_write(component, M98095_04E_CFG_HP, M98095_HPNORMAL); 2054 2055 snd_soc_component_write(component, M98095_02C_DAI1_IOCFG, 2056 M98095_S1NORMAL|M98095_SDATA); 2057 2058 snd_soc_component_write(component, M98095_036_DAI2_IOCFG, 2059 M98095_S2NORMAL|M98095_SDATA); 2060 2061 snd_soc_component_write(component, M98095_040_DAI3_IOCFG, 2062 M98095_S3NORMAL|M98095_SDATA); 2063 2064 max98095_handle_pdata(component); 2065 2066 /* take the codec out of the shut down */ 2067 snd_soc_component_update_bits(component, M98095_097_PWR_SYS, M98095_SHDNRUN, 2068 M98095_SHDNRUN); 2069 2070 return 0; 2071 2072err_irq: 2073 if (client->irq) 2074 free_irq(client->irq, component); 2075err_access: 2076 return ret; 2077} 2078 2079static void max98095_remove(struct snd_soc_component *component) 2080{ 2081 struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component); 2082 struct i2c_client *client = to_i2c_client(component->dev); 2083 2084 if (max98095->headphone_jack || max98095->mic_jack) 2085 max98095_jack_detect_disable(component); 2086 2087 if (client->irq) 2088 free_irq(client->irq, component); 2089} 2090 2091static const struct snd_soc_component_driver soc_component_dev_max98095 = { 2092 .probe = max98095_probe, 2093 .remove = max98095_remove, 2094 .suspend = max98095_suspend, 2095 .resume = max98095_resume, 2096 .set_bias_level = max98095_set_bias_level, 2097 .controls = max98095_snd_controls, 2098 .num_controls = ARRAY_SIZE(max98095_snd_controls), 2099 .dapm_widgets = max98095_dapm_widgets, 2100 .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets), 2101 .dapm_routes = max98095_audio_map, 2102 .num_dapm_routes = ARRAY_SIZE(max98095_audio_map), 2103 .idle_bias_on = 1, 2104 .use_pmdown_time = 1, 2105 .endianness = 1, 2106}; 2107 2108static const struct i2c_device_id max98095_i2c_id[] = { 2109 { "max98095", MAX98095 }, 2110 { } 2111}; 2112MODULE_DEVICE_TABLE(i2c, max98095_i2c_id); 2113 2114static int max98095_i2c_probe(struct i2c_client *i2c) 2115{ 2116 struct max98095_priv *max98095; 2117 int ret; 2118 const struct i2c_device_id *id; 2119 2120 max98095 = devm_kzalloc(&i2c->dev, sizeof(struct max98095_priv), 2121 GFP_KERNEL); 2122 if (max98095 == NULL) 2123 return -ENOMEM; 2124 2125 mutex_init(&max98095->lock); 2126 2127 max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap); 2128 if (IS_ERR(max98095->regmap)) { 2129 ret = PTR_ERR(max98095->regmap); 2130 dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret); 2131 return ret; 2132 } 2133 2134 id = i2c_match_id(max98095_i2c_id, i2c); 2135 max98095->devtype = id->driver_data; 2136 i2c_set_clientdata(i2c, max98095); 2137 max98095->pdata = i2c->dev.platform_data; 2138 2139 ret = devm_snd_soc_register_component(&i2c->dev, 2140 &soc_component_dev_max98095, 2141 max98095_dai, ARRAY_SIZE(max98095_dai)); 2142 return ret; 2143} 2144 2145#ifdef CONFIG_OF 2146static const struct of_device_id max98095_of_match[] = { 2147 { .compatible = "maxim,max98095", }, 2148 { } 2149}; 2150MODULE_DEVICE_TABLE(of, max98095_of_match); 2151#endif 2152 2153static struct i2c_driver max98095_i2c_driver = { 2154 .driver = { 2155 .name = "max98095", 2156 .of_match_table = of_match_ptr(max98095_of_match), 2157 }, 2158 .probe = max98095_i2c_probe, 2159 .id_table = max98095_i2c_id, 2160}; 2161 2162module_i2c_driver(max98095_i2c_driver); 2163 2164MODULE_DESCRIPTION("ALSA SoC MAX98095 driver"); 2165MODULE_AUTHOR("Peter Hsiang"); 2166MODULE_LICENSE("GPL"); 2167