1 /* 2 * rt286.c -- RT286 ALSA SoC audio codec driver 3 * 4 * Copyright 2013 Realtek Semiconductor Corp. 5 * Author: Bard Liao <bardliao@realtek.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #include <linux/module.h> 13 #include <linux/moduleparam.h> 14 #include <linux/init.h> 15 #include <linux/delay.h> 16 #include <linux/pm.h> 17 #include <linux/i2c.h> 18 #include <linux/platform_device.h> 19 #include <linux/spi/spi.h> 20 #include <linux/dmi.h> 21 #include <linux/acpi.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include <sound/soc-dapm.h> 27 #include <sound/initval.h> 28 #include <sound/tlv.h> 29 #include <sound/jack.h> 30 #include <linux/workqueue.h> 31 #include <sound/rt286.h> 32 33 #include "rl6347a.h" 34 #include "rt286.h" 35 36 #define RT286_VENDOR_ID 0x10ec0286 37 #define RT288_VENDOR_ID 0x10ec0288 38 39 struct rt286_priv { 40 struct reg_default *index_cache; 41 int index_cache_size; 42 struct regmap *regmap; 43 struct snd_soc_codec *codec; 44 struct rt286_platform_data pdata; 45 struct i2c_client *i2c; 46 struct snd_soc_jack *jack; 47 struct delayed_work jack_detect_work; 48 int sys_clk; 49 int clk_id; 50 }; 51 52 static const struct reg_default rt286_index_def[] = { 53 { 0x01, 0xaaaa }, 54 { 0x02, 0x8aaa }, 55 { 0x03, 0x0002 }, 56 { 0x04, 0xaf01 }, 57 { 0x08, 0x000d }, 58 { 0x09, 0xd810 }, 59 { 0x0a, 0x0120 }, 60 { 0x0b, 0x0000 }, 61 { 0x0d, 0x2800 }, 62 { 0x0f, 0x0000 }, 63 { 0x19, 0x0a17 }, 64 { 0x20, 0x0020 }, 65 { 0x33, 0x0208 }, 66 { 0x49, 0x0004 }, 67 { 0x4f, 0x50e9 }, 68 { 0x50, 0x2000 }, 69 { 0x63, 0x2902 }, 70 { 0x67, 0x1111 }, 71 { 0x68, 0x1016 }, 72 { 0x69, 0x273f }, 73 }; 74 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def) 75 76 static const struct reg_default rt286_reg[] = { 77 { 0x00170500, 0x00000400 }, 78 { 0x00220000, 0x00000031 }, 79 { 0x00239000, 0x0000007f }, 80 { 0x0023a000, 0x0000007f }, 81 { 0x00270500, 0x00000400 }, 82 { 0x00370500, 0x00000400 }, 83 { 0x00870500, 0x00000400 }, 84 { 0x00920000, 0x00000031 }, 85 { 0x00935000, 0x000000c3 }, 86 { 0x00936000, 0x000000c3 }, 87 { 0x00970500, 0x00000400 }, 88 { 0x00b37000, 0x00000097 }, 89 { 0x00b37200, 0x00000097 }, 90 { 0x00b37300, 0x00000097 }, 91 { 0x00c37000, 0x00000000 }, 92 { 0x00c37100, 0x00000080 }, 93 { 0x01270500, 0x00000400 }, 94 { 0x01370500, 0x00000400 }, 95 { 0x01371f00, 0x411111f0 }, 96 { 0x01439000, 0x00000080 }, 97 { 0x0143a000, 0x00000080 }, 98 { 0x01470700, 0x00000000 }, 99 { 0x01470500, 0x00000400 }, 100 { 0x01470c00, 0x00000000 }, 101 { 0x01470100, 0x00000000 }, 102 { 0x01837000, 0x00000000 }, 103 { 0x01870500, 0x00000400 }, 104 { 0x02050000, 0x00000000 }, 105 { 0x02139000, 0x00000080 }, 106 { 0x0213a000, 0x00000080 }, 107 { 0x02170100, 0x00000000 }, 108 { 0x02170500, 0x00000400 }, 109 { 0x02170700, 0x00000000 }, 110 { 0x02270100, 0x00000000 }, 111 { 0x02370100, 0x00000000 }, 112 { 0x01870700, 0x00000020 }, 113 { 0x00830000, 0x000000c3 }, 114 { 0x00930000, 0x000000c3 }, 115 { 0x01270700, 0x00000000 }, 116 }; 117 118 static bool rt286_volatile_register(struct device *dev, unsigned int reg) 119 { 120 switch (reg) { 121 case 0 ... 0xff: 122 case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID): 123 case RT286_GET_HP_SENSE: 124 case RT286_GET_MIC1_SENSE: 125 case RT286_PROC_COEF: 126 return true; 127 default: 128 return false; 129 } 130 131 132 } 133 134 static bool rt286_readable_register(struct device *dev, unsigned int reg) 135 { 136 switch (reg) { 137 case 0 ... 0xff: 138 case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID): 139 case RT286_GET_HP_SENSE: 140 case RT286_GET_MIC1_SENSE: 141 case RT286_SET_AUDIO_POWER: 142 case RT286_SET_HPO_POWER: 143 case RT286_SET_SPK_POWER: 144 case RT286_SET_DMIC1_POWER: 145 case RT286_SPK_MUX: 146 case RT286_HPO_MUX: 147 case RT286_ADC0_MUX: 148 case RT286_ADC1_MUX: 149 case RT286_SET_MIC1: 150 case RT286_SET_PIN_HPO: 151 case RT286_SET_PIN_SPK: 152 case RT286_SET_PIN_DMIC1: 153 case RT286_SPK_EAPD: 154 case RT286_SET_AMP_GAIN_HPO: 155 case RT286_SET_DMIC2_DEFAULT: 156 case RT286_DACL_GAIN: 157 case RT286_DACR_GAIN: 158 case RT286_ADCL_GAIN: 159 case RT286_ADCR_GAIN: 160 case RT286_MIC_GAIN: 161 case RT286_SPOL_GAIN: 162 case RT286_SPOR_GAIN: 163 case RT286_HPOL_GAIN: 164 case RT286_HPOR_GAIN: 165 case RT286_F_DAC_SWITCH: 166 case RT286_F_RECMIX_SWITCH: 167 case RT286_REC_MIC_SWITCH: 168 case RT286_REC_I2S_SWITCH: 169 case RT286_REC_LINE_SWITCH: 170 case RT286_REC_BEEP_SWITCH: 171 case RT286_DAC_FORMAT: 172 case RT286_ADC_FORMAT: 173 case RT286_COEF_INDEX: 174 case RT286_PROC_COEF: 175 case RT286_SET_AMP_GAIN_ADC_IN1: 176 case RT286_SET_AMP_GAIN_ADC_IN2: 177 case RT286_SET_POWER(RT286_DAC_OUT1): 178 case RT286_SET_POWER(RT286_DAC_OUT2): 179 case RT286_SET_POWER(RT286_ADC_IN1): 180 case RT286_SET_POWER(RT286_ADC_IN2): 181 case RT286_SET_POWER(RT286_DMIC2): 182 case RT286_SET_POWER(RT286_MIC1): 183 return true; 184 default: 185 return false; 186 } 187 } 188 189 #ifdef CONFIG_PM 190 static void rt286_index_sync(struct snd_soc_codec *codec) 191 { 192 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 193 int i; 194 195 for (i = 0; i < INDEX_CACHE_SIZE; i++) { 196 snd_soc_write(codec, rt286->index_cache[i].reg, 197 rt286->index_cache[i].def); 198 } 199 } 200 #endif 201 202 static int rt286_support_power_controls[] = { 203 RT286_DAC_OUT1, 204 RT286_DAC_OUT2, 205 RT286_ADC_IN1, 206 RT286_ADC_IN2, 207 RT286_MIC1, 208 RT286_DMIC1, 209 RT286_DMIC2, 210 RT286_SPK_OUT, 211 RT286_HP_OUT, 212 }; 213 #define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls) 214 215 static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic) 216 { 217 struct snd_soc_dapm_context *dapm; 218 unsigned int val, buf; 219 220 *hp = false; 221 *mic = false; 222 223 if (!rt286->codec) 224 return -EINVAL; 225 226 dapm = snd_soc_codec_get_dapm(rt286->codec); 227 228 if (rt286->pdata.cbj_en) { 229 regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf); 230 *hp = buf & 0x80000000; 231 if (*hp) { 232 /* power on HV,VERF */ 233 regmap_update_bits(rt286->regmap, 234 RT286_DC_GAIN, 0x200, 0x200); 235 236 snd_soc_dapm_force_enable_pin(dapm, "HV"); 237 snd_soc_dapm_force_enable_pin(dapm, "VREF"); 238 /* power LDO1 */ 239 snd_soc_dapm_force_enable_pin(dapm, "LDO1"); 240 snd_soc_dapm_sync(dapm); 241 242 regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24); 243 msleep(50); 244 245 regmap_update_bits(rt286->regmap, 246 RT286_CBJ_CTRL1, 0xfcc0, 0xd400); 247 msleep(300); 248 regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val); 249 250 if (0x0070 == (val & 0x0070)) { 251 *mic = true; 252 } else { 253 regmap_update_bits(rt286->regmap, 254 RT286_CBJ_CTRL1, 0xfcc0, 0xe400); 255 msleep(300); 256 regmap_read(rt286->regmap, 257 RT286_CBJ_CTRL2, &val); 258 if (0x0070 == (val & 0x0070)) 259 *mic = true; 260 else 261 *mic = false; 262 } 263 regmap_update_bits(rt286->regmap, 264 RT286_DC_GAIN, 0x200, 0x0); 265 266 } else { 267 *mic = false; 268 regmap_write(rt286->regmap, RT286_SET_MIC1, 0x20); 269 regmap_update_bits(rt286->regmap, 270 RT286_CBJ_CTRL1, 0x0400, 0x0000); 271 } 272 } else { 273 regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf); 274 *hp = buf & 0x80000000; 275 regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf); 276 *mic = buf & 0x80000000; 277 } 278 279 snd_soc_dapm_disable_pin(dapm, "HV"); 280 snd_soc_dapm_disable_pin(dapm, "VREF"); 281 if (!*hp) 282 snd_soc_dapm_disable_pin(dapm, "LDO1"); 283 snd_soc_dapm_sync(dapm); 284 285 return 0; 286 } 287 288 static void rt286_jack_detect_work(struct work_struct *work) 289 { 290 struct rt286_priv *rt286 = 291 container_of(work, struct rt286_priv, jack_detect_work.work); 292 int status = 0; 293 bool hp = false; 294 bool mic = false; 295 296 rt286_jack_detect(rt286, &hp, &mic); 297 298 if (hp == true) 299 status |= SND_JACK_HEADPHONE; 300 301 if (mic == true) 302 status |= SND_JACK_MICROPHONE; 303 304 snd_soc_jack_report(rt286->jack, status, 305 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); 306 } 307 308 int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack) 309 { 310 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); 311 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 312 313 rt286->jack = jack; 314 315 if (jack) { 316 /* enable IRQ */ 317 if (rt286->jack->status & SND_JACK_HEADPHONE) 318 snd_soc_dapm_force_enable_pin(dapm, "LDO1"); 319 regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x2); 320 /* Send an initial empty report */ 321 snd_soc_jack_report(rt286->jack, rt286->jack->status, 322 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); 323 } else { 324 /* disable IRQ */ 325 regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x0); 326 snd_soc_dapm_disable_pin(dapm, "LDO1"); 327 } 328 snd_soc_dapm_sync(dapm); 329 330 return 0; 331 } 332 EXPORT_SYMBOL_GPL(rt286_mic_detect); 333 334 static int is_mclk_mode(struct snd_soc_dapm_widget *source, 335 struct snd_soc_dapm_widget *sink) 336 { 337 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm); 338 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 339 340 if (rt286->clk_id == RT286_SCLK_S_MCLK) 341 return 1; 342 else 343 return 0; 344 } 345 346 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0); 347 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 348 349 static const struct snd_kcontrol_new rt286_snd_controls[] = { 350 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN, 351 RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv), 352 SOC_DOUBLE_R("ADC0 Capture Switch", RT286_ADCL_GAIN, 353 RT286_ADCR_GAIN, 7, 1, 1), 354 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN, 355 RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv), 356 SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN, 357 0, 0x3, 0, mic_vol_tlv), 358 SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN, 359 RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1), 360 }; 361 362 /* Digital Mixer */ 363 static const struct snd_kcontrol_new rt286_front_mix[] = { 364 SOC_DAPM_SINGLE("DAC Switch", RT286_F_DAC_SWITCH, 365 RT286_MUTE_SFT, 1, 1), 366 SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH, 367 RT286_MUTE_SFT, 1, 1), 368 }; 369 370 /* Analog Input Mixer */ 371 static const struct snd_kcontrol_new rt286_rec_mix[] = { 372 SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH, 373 RT286_MUTE_SFT, 1, 1), 374 SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH, 375 RT286_MUTE_SFT, 1, 1), 376 SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH, 377 RT286_MUTE_SFT, 1, 1), 378 SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH, 379 RT286_MUTE_SFT, 1, 1), 380 }; 381 382 static const struct snd_kcontrol_new spo_enable_control = 383 SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK, 384 RT286_SET_PIN_SFT, 1, 0); 385 386 static const struct snd_kcontrol_new hpol_enable_control = 387 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN, 388 RT286_MUTE_SFT, 1, 1); 389 390 static const struct snd_kcontrol_new hpor_enable_control = 391 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN, 392 RT286_MUTE_SFT, 1, 1); 393 394 /* ADC0 source */ 395 static const char * const rt286_adc_src[] = { 396 "Mic", "RECMIX", "Dmic" 397 }; 398 399 static const int rt286_adc_values[] = { 400 0, 4, 5, 401 }; 402 403 static SOC_VALUE_ENUM_SINGLE_DECL( 404 rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT, 405 RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values); 406 407 static const struct snd_kcontrol_new rt286_adc0_mux = 408 SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum); 409 410 static SOC_VALUE_ENUM_SINGLE_DECL( 411 rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT, 412 RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values); 413 414 static const struct snd_kcontrol_new rt286_adc1_mux = 415 SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum); 416 417 static const char * const rt286_dac_src[] = { 418 "Front", "Surround" 419 }; 420 /* HP-OUT source */ 421 static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX, 422 0, rt286_dac_src); 423 424 static const struct snd_kcontrol_new rt286_hpo_mux = 425 SOC_DAPM_ENUM("HPO source", rt286_hpo_enum); 426 427 /* SPK-OUT source */ 428 static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX, 429 0, rt286_dac_src); 430 431 static const struct snd_kcontrol_new rt286_spo_mux = 432 SOC_DAPM_ENUM("SPO source", rt286_spo_enum); 433 434 static int rt286_spk_event(struct snd_soc_dapm_widget *w, 435 struct snd_kcontrol *kcontrol, int event) 436 { 437 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 438 439 switch (event) { 440 case SND_SOC_DAPM_POST_PMU: 441 snd_soc_write(codec, 442 RT286_SPK_EAPD, RT286_SET_EAPD_HIGH); 443 break; 444 case SND_SOC_DAPM_PRE_PMD: 445 snd_soc_write(codec, 446 RT286_SPK_EAPD, RT286_SET_EAPD_LOW); 447 break; 448 449 default: 450 return 0; 451 } 452 453 return 0; 454 } 455 456 static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w, 457 struct snd_kcontrol *kcontrol, int event) 458 { 459 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 460 461 switch (event) { 462 case SND_SOC_DAPM_POST_PMU: 463 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20); 464 break; 465 case SND_SOC_DAPM_PRE_PMD: 466 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0); 467 break; 468 default: 469 return 0; 470 } 471 472 return 0; 473 } 474 475 static int rt286_ldo2_event(struct snd_soc_dapm_widget *w, 476 struct snd_kcontrol *kcontrol, int event) 477 { 478 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 479 480 switch (event) { 481 case SND_SOC_DAPM_POST_PMU: 482 snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x08); 483 break; 484 case SND_SOC_DAPM_PRE_PMD: 485 snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x30); 486 break; 487 default: 488 return 0; 489 } 490 491 return 0; 492 } 493 494 static int rt286_mic1_event(struct snd_soc_dapm_widget *w, 495 struct snd_kcontrol *kcontrol, int event) 496 { 497 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 498 499 switch (event) { 500 case SND_SOC_DAPM_PRE_PMU: 501 snd_soc_update_bits(codec, 502 RT286_A_BIAS_CTRL3, 0xc000, 0x8000); 503 snd_soc_update_bits(codec, 504 RT286_A_BIAS_CTRL2, 0xc000, 0x8000); 505 break; 506 case SND_SOC_DAPM_POST_PMD: 507 snd_soc_update_bits(codec, 508 RT286_A_BIAS_CTRL3, 0xc000, 0x0000); 509 snd_soc_update_bits(codec, 510 RT286_A_BIAS_CTRL2, 0xc000, 0x0000); 511 break; 512 default: 513 return 0; 514 } 515 516 return 0; 517 } 518 519 static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = { 520 SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1, 521 12, 1, NULL, 0), 522 SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1, 523 0, 1, NULL, 0), 524 SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2, 525 2, 0, NULL, 0), 526 SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1, 527 13, 1, rt286_ldo2_event, SND_SOC_DAPM_PRE_PMD | 528 SND_SOC_DAPM_POST_PMU), 529 SND_SOC_DAPM_SUPPLY("MCLK MODE", RT286_PLL_CTRL1, 530 5, 0, NULL, 0), 531 SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM, 532 0, 0, rt286_mic1_event, SND_SOC_DAPM_PRE_PMU | 533 SND_SOC_DAPM_POST_PMD), 534 535 /* Input Lines */ 536 SND_SOC_DAPM_INPUT("DMIC1 Pin"), 537 SND_SOC_DAPM_INPUT("DMIC2 Pin"), 538 SND_SOC_DAPM_INPUT("MIC1"), 539 SND_SOC_DAPM_INPUT("LINE1"), 540 SND_SOC_DAPM_INPUT("Beep"), 541 542 /* DMIC */ 543 SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1, 544 NULL, 0, rt286_set_dmic1_event, 545 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), 546 SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1, 547 NULL, 0), 548 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM, 549 0, 0, NULL, 0), 550 551 /* REC Mixer */ 552 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0, 553 rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)), 554 555 /* ADCs */ 556 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0), 557 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0), 558 559 /* ADC Mux */ 560 SND_SOC_DAPM_MUX("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1, 561 &rt286_adc0_mux), 562 SND_SOC_DAPM_MUX("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1, 563 &rt286_adc1_mux), 564 565 /* Audio Interface */ 566 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0), 567 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), 568 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0), 569 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0), 570 571 /* Output Side */ 572 /* DACs */ 573 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0), 574 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0), 575 576 /* Output Mux */ 577 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux), 578 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux), 579 580 SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO, 581 RT286_SET_PIN_SFT, 0, NULL, 0), 582 583 /* Output Mixer */ 584 SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1, 585 rt286_front_mix, ARRAY_SIZE(rt286_front_mix)), 586 SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1, 587 NULL, 0), 588 589 /* Output Pga */ 590 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0, 591 &spo_enable_control, rt286_spk_event, 592 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), 593 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0, 594 &hpol_enable_control), 595 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0, 596 &hpor_enable_control), 597 598 /* Output Lines */ 599 SND_SOC_DAPM_OUTPUT("SPOL"), 600 SND_SOC_DAPM_OUTPUT("SPOR"), 601 SND_SOC_DAPM_OUTPUT("HPO Pin"), 602 SND_SOC_DAPM_OUTPUT("SPDIF"), 603 }; 604 605 static const struct snd_soc_dapm_route rt286_dapm_routes[] = { 606 {"ADC 0", NULL, "MCLK MODE", is_mclk_mode}, 607 {"ADC 1", NULL, "MCLK MODE", is_mclk_mode}, 608 {"Front", NULL, "MCLK MODE", is_mclk_mode}, 609 {"Surround", NULL, "MCLK MODE", is_mclk_mode}, 610 611 {"HP Power", NULL, "LDO1"}, 612 {"HP Power", NULL, "LDO2"}, 613 614 {"MIC1", NULL, "LDO1"}, 615 {"MIC1", NULL, "LDO2"}, 616 {"MIC1", NULL, "HV"}, 617 {"MIC1", NULL, "VREF"}, 618 {"MIC1", NULL, "MIC1 Input Buffer"}, 619 620 {"SPO", NULL, "LDO1"}, 621 {"SPO", NULL, "LDO2"}, 622 {"SPO", NULL, "HV"}, 623 {"SPO", NULL, "VREF"}, 624 625 {"DMIC1", NULL, "DMIC1 Pin"}, 626 {"DMIC2", NULL, "DMIC2 Pin"}, 627 {"DMIC1", NULL, "DMIC Receiver"}, 628 {"DMIC2", NULL, "DMIC Receiver"}, 629 630 {"RECMIX", "Beep Switch", "Beep"}, 631 {"RECMIX", "Line1 Switch", "LINE1"}, 632 {"RECMIX", "Mic1 Switch", "MIC1"}, 633 634 {"ADC 0 Mux", "Dmic", "DMIC1"}, 635 {"ADC 0 Mux", "RECMIX", "RECMIX"}, 636 {"ADC 0 Mux", "Mic", "MIC1"}, 637 {"ADC 1 Mux", "Dmic", "DMIC2"}, 638 {"ADC 1 Mux", "RECMIX", "RECMIX"}, 639 {"ADC 1 Mux", "Mic", "MIC1"}, 640 641 {"ADC 0", NULL, "ADC 0 Mux"}, 642 {"ADC 1", NULL, "ADC 1 Mux"}, 643 644 {"AIF1TX", NULL, "ADC 0"}, 645 {"AIF2TX", NULL, "ADC 1"}, 646 647 {"DAC 0", NULL, "AIF1RX"}, 648 {"DAC 1", NULL, "AIF2RX"}, 649 650 {"Front", "DAC Switch", "DAC 0"}, 651 {"Front", "RECMIX Switch", "RECMIX"}, 652 653 {"Surround", NULL, "DAC 1"}, 654 655 {"SPK Mux", "Front", "Front"}, 656 {"SPK Mux", "Surround", "Surround"}, 657 658 {"HPO Mux", "Front", "Front"}, 659 {"HPO Mux", "Surround", "Surround"}, 660 661 {"SPO", "Switch", "SPK Mux"}, 662 {"HPO L", "Switch", "HPO Mux"}, 663 {"HPO R", "Switch", "HPO Mux"}, 664 {"HPO L", NULL, "HP Power"}, 665 {"HPO R", NULL, "HP Power"}, 666 667 {"SPOL", NULL, "SPO"}, 668 {"SPOR", NULL, "SPO"}, 669 {"HPO Pin", NULL, "HPO L"}, 670 {"HPO Pin", NULL, "HPO R"}, 671 }; 672 673 static int rt286_hw_params(struct snd_pcm_substream *substream, 674 struct snd_pcm_hw_params *params, 675 struct snd_soc_dai *dai) 676 { 677 struct snd_soc_codec *codec = dai->codec; 678 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 679 unsigned int val = 0; 680 int d_len_code; 681 682 switch (params_rate(params)) { 683 /* bit 14 0:48K 1:44.1K */ 684 case 44100: 685 val |= 0x4000; 686 break; 687 case 48000: 688 break; 689 default: 690 dev_err(codec->dev, "Unsupported sample rate %d\n", 691 params_rate(params)); 692 return -EINVAL; 693 } 694 switch (rt286->sys_clk) { 695 case 12288000: 696 case 24576000: 697 if (params_rate(params) != 48000) { 698 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n", 699 params_rate(params), rt286->sys_clk); 700 return -EINVAL; 701 } 702 break; 703 case 11289600: 704 case 22579200: 705 if (params_rate(params) != 44100) { 706 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n", 707 params_rate(params), rt286->sys_clk); 708 return -EINVAL; 709 } 710 break; 711 } 712 713 if (params_channels(params) <= 16) { 714 /* bit 3:0 Number of Channel */ 715 val |= (params_channels(params) - 1); 716 } else { 717 dev_err(codec->dev, "Unsupported channels %d\n", 718 params_channels(params)); 719 return -EINVAL; 720 } 721 722 d_len_code = 0; 723 switch (params_width(params)) { 724 /* bit 6:4 Bits per Sample */ 725 case 16: 726 d_len_code = 0; 727 val |= (0x1 << 4); 728 break; 729 case 32: 730 d_len_code = 2; 731 val |= (0x4 << 4); 732 break; 733 case 20: 734 d_len_code = 1; 735 val |= (0x2 << 4); 736 break; 737 case 24: 738 d_len_code = 2; 739 val |= (0x3 << 4); 740 break; 741 case 8: 742 d_len_code = 3; 743 break; 744 default: 745 return -EINVAL; 746 } 747 748 snd_soc_update_bits(codec, 749 RT286_I2S_CTRL1, 0x0018, d_len_code << 3); 750 dev_dbg(codec->dev, "format val = 0x%x\n", val); 751 752 snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val); 753 snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val); 754 755 return 0; 756 } 757 758 static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 759 { 760 struct snd_soc_codec *codec = dai->codec; 761 762 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 763 case SND_SOC_DAIFMT_CBM_CFM: 764 snd_soc_update_bits(codec, 765 RT286_I2S_CTRL1, 0x800, 0x800); 766 break; 767 case SND_SOC_DAIFMT_CBS_CFS: 768 snd_soc_update_bits(codec, 769 RT286_I2S_CTRL1, 0x800, 0x0); 770 break; 771 default: 772 return -EINVAL; 773 } 774 775 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 776 case SND_SOC_DAIFMT_I2S: 777 snd_soc_update_bits(codec, 778 RT286_I2S_CTRL1, 0x300, 0x0); 779 break; 780 case SND_SOC_DAIFMT_LEFT_J: 781 snd_soc_update_bits(codec, 782 RT286_I2S_CTRL1, 0x300, 0x1 << 8); 783 break; 784 case SND_SOC_DAIFMT_DSP_A: 785 snd_soc_update_bits(codec, 786 RT286_I2S_CTRL1, 0x300, 0x2 << 8); 787 break; 788 case SND_SOC_DAIFMT_DSP_B: 789 snd_soc_update_bits(codec, 790 RT286_I2S_CTRL1, 0x300, 0x3 << 8); 791 break; 792 default: 793 return -EINVAL; 794 } 795 /* bit 15 Stream Type 0:PCM 1:Non-PCM */ 796 snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0); 797 snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0); 798 799 return 0; 800 } 801 802 static int rt286_set_dai_sysclk(struct snd_soc_dai *dai, 803 int clk_id, unsigned int freq, int dir) 804 { 805 struct snd_soc_codec *codec = dai->codec; 806 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 807 808 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq); 809 810 if (RT286_SCLK_S_MCLK == clk_id) { 811 snd_soc_update_bits(codec, 812 RT286_I2S_CTRL2, 0x0100, 0x0); 813 snd_soc_update_bits(codec, 814 RT286_PLL_CTRL1, 0x20, 0x20); 815 } else { 816 snd_soc_update_bits(codec, 817 RT286_I2S_CTRL2, 0x0100, 0x0100); 818 snd_soc_update_bits(codec, 819 RT286_PLL_CTRL, 0x4, 0x4); 820 snd_soc_update_bits(codec, 821 RT286_PLL_CTRL1, 0x20, 0x0); 822 } 823 824 switch (freq) { 825 case 19200000: 826 if (RT286_SCLK_S_MCLK == clk_id) { 827 dev_err(codec->dev, "Should not use MCLK\n"); 828 return -EINVAL; 829 } 830 snd_soc_update_bits(codec, 831 RT286_I2S_CTRL2, 0x40, 0x40); 832 break; 833 case 24000000: 834 if (RT286_SCLK_S_MCLK == clk_id) { 835 dev_err(codec->dev, "Should not use MCLK\n"); 836 return -EINVAL; 837 } 838 snd_soc_update_bits(codec, 839 RT286_I2S_CTRL2, 0x40, 0x0); 840 break; 841 case 12288000: 842 case 11289600: 843 snd_soc_update_bits(codec, 844 RT286_I2S_CTRL2, 0x8, 0x0); 845 snd_soc_update_bits(codec, 846 RT286_CLK_DIV, 0xfc1e, 0x0004); 847 break; 848 case 24576000: 849 case 22579200: 850 snd_soc_update_bits(codec, 851 RT286_I2S_CTRL2, 0x8, 0x8); 852 snd_soc_update_bits(codec, 853 RT286_CLK_DIV, 0xfc1e, 0x5406); 854 break; 855 default: 856 dev_err(codec->dev, "Unsupported system clock\n"); 857 return -EINVAL; 858 } 859 860 rt286->sys_clk = freq; 861 rt286->clk_id = clk_id; 862 863 return 0; 864 } 865 866 static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) 867 { 868 struct snd_soc_codec *codec = dai->codec; 869 870 dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio); 871 if (50 == ratio) 872 snd_soc_update_bits(codec, 873 RT286_I2S_CTRL1, 0x1000, 0x1000); 874 else 875 snd_soc_update_bits(codec, 876 RT286_I2S_CTRL1, 0x1000, 0x0); 877 878 879 return 0; 880 } 881 882 static int rt286_set_bias_level(struct snd_soc_codec *codec, 883 enum snd_soc_bias_level level) 884 { 885 switch (level) { 886 case SND_SOC_BIAS_PREPARE: 887 if (SND_SOC_BIAS_STANDBY == snd_soc_codec_get_bias_level(codec)) { 888 snd_soc_write(codec, 889 RT286_SET_AUDIO_POWER, AC_PWRST_D0); 890 snd_soc_update_bits(codec, 891 RT286_DC_GAIN, 0x200, 0x200); 892 } 893 break; 894 895 case SND_SOC_BIAS_ON: 896 mdelay(10); 897 snd_soc_update_bits(codec, 898 RT286_DC_GAIN, 0x200, 0x0); 899 900 break; 901 902 case SND_SOC_BIAS_STANDBY: 903 snd_soc_write(codec, 904 RT286_SET_AUDIO_POWER, AC_PWRST_D3); 905 break; 906 907 default: 908 break; 909 } 910 911 return 0; 912 } 913 914 static irqreturn_t rt286_irq(int irq, void *data) 915 { 916 struct rt286_priv *rt286 = data; 917 bool hp = false; 918 bool mic = false; 919 int status = 0; 920 921 rt286_jack_detect(rt286, &hp, &mic); 922 923 /* Clear IRQ */ 924 regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1); 925 926 if (hp == true) 927 status |= SND_JACK_HEADPHONE; 928 929 if (mic == true) 930 status |= SND_JACK_MICROPHONE; 931 932 snd_soc_jack_report(rt286->jack, status, 933 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); 934 935 pm_wakeup_event(&rt286->i2c->dev, 300); 936 937 return IRQ_HANDLED; 938 } 939 940 static int rt286_probe(struct snd_soc_codec *codec) 941 { 942 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 943 944 rt286->codec = codec; 945 946 if (rt286->i2c->irq) { 947 regmap_update_bits(rt286->regmap, 948 RT286_IRQ_CTRL, 0x2, 0x2); 949 950 INIT_DELAYED_WORK(&rt286->jack_detect_work, 951 rt286_jack_detect_work); 952 schedule_delayed_work(&rt286->jack_detect_work, 953 msecs_to_jiffies(1250)); 954 } 955 956 return 0; 957 } 958 959 static int rt286_remove(struct snd_soc_codec *codec) 960 { 961 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 962 963 cancel_delayed_work_sync(&rt286->jack_detect_work); 964 965 return 0; 966 } 967 968 #ifdef CONFIG_PM 969 static int rt286_suspend(struct snd_soc_codec *codec) 970 { 971 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 972 973 regcache_cache_only(rt286->regmap, true); 974 regcache_mark_dirty(rt286->regmap); 975 976 return 0; 977 } 978 979 static int rt286_resume(struct snd_soc_codec *codec) 980 { 981 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); 982 983 regcache_cache_only(rt286->regmap, false); 984 rt286_index_sync(codec); 985 regcache_sync(rt286->regmap); 986 987 return 0; 988 } 989 #else 990 #define rt286_suspend NULL 991 #define rt286_resume NULL 992 #endif 993 994 #define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) 995 #define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 996 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) 997 998 static const struct snd_soc_dai_ops rt286_aif_dai_ops = { 999 .hw_params = rt286_hw_params, 1000 .set_fmt = rt286_set_dai_fmt, 1001 .set_sysclk = rt286_set_dai_sysclk, 1002 .set_bclk_ratio = rt286_set_bclk_ratio, 1003 }; 1004 1005 static struct snd_soc_dai_driver rt286_dai[] = { 1006 { 1007 .name = "rt286-aif1", 1008 .id = RT286_AIF1, 1009 .playback = { 1010 .stream_name = "AIF1 Playback", 1011 .channels_min = 1, 1012 .channels_max = 2, 1013 .rates = RT286_STEREO_RATES, 1014 .formats = RT286_FORMATS, 1015 }, 1016 .capture = { 1017 .stream_name = "AIF1 Capture", 1018 .channels_min = 1, 1019 .channels_max = 2, 1020 .rates = RT286_STEREO_RATES, 1021 .formats = RT286_FORMATS, 1022 }, 1023 .ops = &rt286_aif_dai_ops, 1024 .symmetric_rates = 1, 1025 }, 1026 { 1027 .name = "rt286-aif2", 1028 .id = RT286_AIF2, 1029 .playback = { 1030 .stream_name = "AIF2 Playback", 1031 .channels_min = 1, 1032 .channels_max = 2, 1033 .rates = RT286_STEREO_RATES, 1034 .formats = RT286_FORMATS, 1035 }, 1036 .capture = { 1037 .stream_name = "AIF2 Capture", 1038 .channels_min = 1, 1039 .channels_max = 2, 1040 .rates = RT286_STEREO_RATES, 1041 .formats = RT286_FORMATS, 1042 }, 1043 .ops = &rt286_aif_dai_ops, 1044 .symmetric_rates = 1, 1045 }, 1046 1047 }; 1048 1049 static struct snd_soc_codec_driver soc_codec_dev_rt286 = { 1050 .probe = rt286_probe, 1051 .remove = rt286_remove, 1052 .suspend = rt286_suspend, 1053 .resume = rt286_resume, 1054 .set_bias_level = rt286_set_bias_level, 1055 .idle_bias_off = true, 1056 .controls = rt286_snd_controls, 1057 .num_controls = ARRAY_SIZE(rt286_snd_controls), 1058 .dapm_widgets = rt286_dapm_widgets, 1059 .num_dapm_widgets = ARRAY_SIZE(rt286_dapm_widgets), 1060 .dapm_routes = rt286_dapm_routes, 1061 .num_dapm_routes = ARRAY_SIZE(rt286_dapm_routes), 1062 }; 1063 1064 static const struct regmap_config rt286_regmap = { 1065 .reg_bits = 32, 1066 .val_bits = 32, 1067 .max_register = 0x02370100, 1068 .volatile_reg = rt286_volatile_register, 1069 .readable_reg = rt286_readable_register, 1070 .reg_write = rl6347a_hw_write, 1071 .reg_read = rl6347a_hw_read, 1072 .cache_type = REGCACHE_RBTREE, 1073 .reg_defaults = rt286_reg, 1074 .num_reg_defaults = ARRAY_SIZE(rt286_reg), 1075 }; 1076 1077 static const struct i2c_device_id rt286_i2c_id[] = { 1078 {"rt286", 0}, 1079 {"rt288", 0}, 1080 {} 1081 }; 1082 MODULE_DEVICE_TABLE(i2c, rt286_i2c_id); 1083 1084 static const struct acpi_device_id rt286_acpi_match[] = { 1085 { "INT343A", 0 }, 1086 {}, 1087 }; 1088 MODULE_DEVICE_TABLE(acpi, rt286_acpi_match); 1089 1090 static const struct dmi_system_id force_combo_jack_table[] = { 1091 { 1092 .ident = "Intel Wilson Beach", 1093 .matches = { 1094 DMI_MATCH(DMI_BOARD_NAME, "Wilson Beach SDS") 1095 } 1096 }, 1097 { 1098 .ident = "Intel Skylake RVP", 1099 .matches = { 1100 DMI_MATCH(DMI_PRODUCT_NAME, "Skylake Client platform") 1101 } 1102 }, 1103 { } 1104 }; 1105 1106 static const struct dmi_system_id dmi_dell_dino[] = { 1107 { 1108 .ident = "Dell Dino", 1109 .matches = { 1110 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 1111 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343") 1112 } 1113 }, 1114 { } 1115 }; 1116 1117 static int rt286_i2c_probe(struct i2c_client *i2c, 1118 const struct i2c_device_id *id) 1119 { 1120 struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev); 1121 struct rt286_priv *rt286; 1122 int i, ret, val; 1123 1124 rt286 = devm_kzalloc(&i2c->dev, sizeof(*rt286), 1125 GFP_KERNEL); 1126 if (NULL == rt286) 1127 return -ENOMEM; 1128 1129 rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap); 1130 if (IS_ERR(rt286->regmap)) { 1131 ret = PTR_ERR(rt286->regmap); 1132 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1133 ret); 1134 return ret; 1135 } 1136 1137 ret = regmap_read(rt286->regmap, 1138 RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val); 1139 if (ret != 0) { 1140 dev_err(&i2c->dev, "I2C error %d\n", ret); 1141 return ret; 1142 } 1143 if (val != RT286_VENDOR_ID && val != RT288_VENDOR_ID) { 1144 dev_err(&i2c->dev, 1145 "Device with ID register %#x is not rt286\n", val); 1146 return -ENODEV; 1147 } 1148 1149 rt286->index_cache = devm_kmemdup(&i2c->dev, rt286_index_def, 1150 sizeof(rt286_index_def), GFP_KERNEL); 1151 if (!rt286->index_cache) 1152 return -ENOMEM; 1153 1154 rt286->index_cache_size = INDEX_CACHE_SIZE; 1155 rt286->i2c = i2c; 1156 i2c_set_clientdata(i2c, rt286); 1157 1158 /* restore codec default */ 1159 for (i = 0; i < INDEX_CACHE_SIZE; i++) 1160 regmap_write(rt286->regmap, rt286->index_cache[i].reg, 1161 rt286->index_cache[i].def); 1162 for (i = 0; i < ARRAY_SIZE(rt286_reg); i++) 1163 regmap_write(rt286->regmap, rt286_reg[i].reg, 1164 rt286_reg[i].def); 1165 1166 if (pdata) 1167 rt286->pdata = *pdata; 1168 1169 if (dmi_check_system(force_combo_jack_table) || 1170 dmi_check_system(dmi_dell_dino)) 1171 rt286->pdata.cbj_en = true; 1172 1173 regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3); 1174 1175 for (i = 0; i < RT286_POWER_REG_LEN; i++) 1176 regmap_write(rt286->regmap, 1177 RT286_SET_POWER(rt286_support_power_controls[i]), 1178 AC_PWRST_D1); 1179 1180 if (!rt286->pdata.cbj_en) { 1181 regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000); 1182 regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816); 1183 regmap_update_bits(rt286->regmap, 1184 RT286_CBJ_CTRL1, 0xf000, 0xb000); 1185 } else { 1186 regmap_update_bits(rt286->regmap, 1187 RT286_CBJ_CTRL1, 0xf000, 0x5000); 1188 } 1189 1190 mdelay(10); 1191 1192 if (!rt286->pdata.gpio2_en) 1193 regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000); 1194 else 1195 regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0); 1196 1197 mdelay(10); 1198 1199 regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000); 1200 /* Power down LDO, VREF */ 1201 regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0xc, 0x0); 1202 regmap_update_bits(rt286->regmap, RT286_POWER_CTRL1, 0x1001, 0x1001); 1203 1204 /* Set depop parameter */ 1205 regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a); 1206 regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737); 1207 regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f); 1208 1209 if (dmi_check_system(dmi_dell_dino)) { 1210 regmap_update_bits(rt286->regmap, 1211 RT286_SET_GPIO_MASK, 0x40, 0x40); 1212 regmap_update_bits(rt286->regmap, 1213 RT286_SET_GPIO_DIRECTION, 0x40, 0x40); 1214 regmap_update_bits(rt286->regmap, 1215 RT286_SET_GPIO_DATA, 0x40, 0x40); 1216 regmap_update_bits(rt286->regmap, 1217 RT286_GPIO_CTRL, 0xc, 0x8); 1218 } 1219 1220 if (rt286->i2c->irq) { 1221 ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq, 1222 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286); 1223 if (ret != 0) { 1224 dev_err(&i2c->dev, 1225 "Failed to reguest IRQ: %d\n", ret); 1226 return ret; 1227 } 1228 } 1229 1230 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286, 1231 rt286_dai, ARRAY_SIZE(rt286_dai)); 1232 1233 return ret; 1234 } 1235 1236 static int rt286_i2c_remove(struct i2c_client *i2c) 1237 { 1238 struct rt286_priv *rt286 = i2c_get_clientdata(i2c); 1239 1240 if (i2c->irq) 1241 free_irq(i2c->irq, rt286); 1242 snd_soc_unregister_codec(&i2c->dev); 1243 1244 return 0; 1245 } 1246 1247 1248 static struct i2c_driver rt286_i2c_driver = { 1249 .driver = { 1250 .name = "rt286", 1251 .acpi_match_table = ACPI_PTR(rt286_acpi_match), 1252 }, 1253 .probe = rt286_i2c_probe, 1254 .remove = rt286_i2c_remove, 1255 .id_table = rt286_i2c_id, 1256 }; 1257 1258 module_i2c_driver(rt286_i2c_driver); 1259 1260 MODULE_DESCRIPTION("ASoC RT286 driver"); 1261 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>"); 1262 MODULE_LICENSE("GPL"); 1263