1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * rt274.c -- RT274 ALSA SoC audio codec driver 4 * 5 * Copyright 2017 Realtek Semiconductor Corp. 6 * Author: Bard Liao <bardliao@realtek.com> 7 */ 8 9 #include <linux/module.h> 10 #include <linux/moduleparam.h> 11 #include <linux/init.h> 12 #include <linux/delay.h> 13 #include <linux/pm.h> 14 #include <linux/i2c.h> 15 #include <linux/platform_device.h> 16 #include <linux/spi/spi.h> 17 #include <linux/dmi.h> 18 #include <linux/acpi.h> 19 #include <sound/core.h> 20 #include <sound/pcm.h> 21 #include <sound/pcm_params.h> 22 #include <sound/soc.h> 23 #include <sound/soc-dapm.h> 24 #include <sound/initval.h> 25 #include <sound/tlv.h> 26 #include <sound/jack.h> 27 #include <linux/workqueue.h> 28 29 #include "rl6347a.h" 30 #include "rt274.h" 31 32 #define RT274_VENDOR_ID 0x10ec0274 33 34 struct rt274_priv { 35 struct reg_default *index_cache; 36 int index_cache_size; 37 struct regmap *regmap; 38 struct snd_soc_component *component; 39 struct i2c_client *i2c; 40 struct snd_soc_jack *jack; 41 struct delayed_work jack_detect_work; 42 int sys_clk; 43 int clk_id; 44 int fs; 45 bool master; 46 }; 47 48 static const struct reg_default rt274_index_def[] = { 49 { 0x00, 0x1004 }, 50 { 0x01, 0xaaaa }, 51 { 0x02, 0x88aa }, 52 { 0x03, 0x0002 }, 53 { 0x04, 0xaa09 }, 54 { 0x05, 0x0700 }, 55 { 0x06, 0x6110 }, 56 { 0x07, 0x0200 }, 57 { 0x08, 0xa807 }, 58 { 0x09, 0x0021 }, 59 { 0x0a, 0x7770 }, 60 { 0x0b, 0x7770 }, 61 { 0x0c, 0x002b }, 62 { 0x0d, 0x2420 }, 63 { 0x0e, 0x65c0 }, 64 { 0x0f, 0x7770 }, 65 { 0x10, 0x0420 }, 66 { 0x11, 0x7418 }, 67 { 0x12, 0x6bd0 }, 68 { 0x13, 0x645f }, 69 { 0x14, 0x0400 }, 70 { 0x15, 0x8ccc }, 71 { 0x16, 0x4c50 }, 72 { 0x17, 0xff00 }, 73 { 0x18, 0x0003 }, 74 { 0x19, 0x2c11 }, 75 { 0x1a, 0x830b }, 76 { 0x1b, 0x4e4b }, 77 { 0x1c, 0x0000 }, 78 { 0x1d, 0x0000 }, 79 { 0x1e, 0x0000 }, 80 { 0x1f, 0x0000 }, 81 { 0x20, 0x51ff }, 82 { 0x21, 0x8000 }, 83 { 0x22, 0x8f00 }, 84 { 0x23, 0x88f4 }, 85 { 0x24, 0x0000 }, 86 { 0x25, 0x0000 }, 87 { 0x26, 0x0000 }, 88 { 0x27, 0x0000 }, 89 { 0x28, 0x0000 }, 90 { 0x29, 0x3000 }, 91 { 0x2a, 0x0000 }, 92 { 0x2b, 0x0000 }, 93 { 0x2c, 0x0f00 }, 94 { 0x2d, 0x100f }, 95 { 0x2e, 0x2902 }, 96 { 0x2f, 0xe280 }, 97 { 0x30, 0x1000 }, 98 { 0x31, 0x8400 }, 99 { 0x32, 0x5aaa }, 100 { 0x33, 0x8420 }, 101 { 0x34, 0xa20c }, 102 { 0x35, 0x096a }, 103 { 0x36, 0x5757 }, 104 { 0x37, 0xfe05 }, 105 { 0x38, 0x4901 }, 106 { 0x39, 0x110a }, 107 { 0x3a, 0x0010 }, 108 { 0x3b, 0x60d9 }, 109 { 0x3c, 0xf214 }, 110 { 0x3d, 0xc2ba }, 111 { 0x3e, 0xa928 }, 112 { 0x3f, 0x0000 }, 113 { 0x40, 0x9800 }, 114 { 0x41, 0x0000 }, 115 { 0x42, 0x2000 }, 116 { 0x43, 0x3d90 }, 117 { 0x44, 0x4900 }, 118 { 0x45, 0x5289 }, 119 { 0x46, 0x0004 }, 120 { 0x47, 0xa47a }, 121 { 0x48, 0xd049 }, 122 { 0x49, 0x0049 }, 123 { 0x4a, 0xa83b }, 124 { 0x4b, 0x0777 }, 125 { 0x4c, 0x065c }, 126 { 0x4d, 0x7fff }, 127 { 0x4e, 0x7fff }, 128 { 0x4f, 0x0000 }, 129 { 0x50, 0x0000 }, 130 { 0x51, 0x0000 }, 131 { 0x52, 0xbf5f }, 132 { 0x53, 0x3320 }, 133 { 0x54, 0xcc00 }, 134 { 0x55, 0x0000 }, 135 { 0x56, 0x3f00 }, 136 { 0x57, 0x0000 }, 137 { 0x58, 0x0000 }, 138 { 0x59, 0x0000 }, 139 { 0x5a, 0x1300 }, 140 { 0x5b, 0x005f }, 141 { 0x5c, 0x0000 }, 142 { 0x5d, 0x1001 }, 143 { 0x5e, 0x1000 }, 144 { 0x5f, 0x0000 }, 145 { 0x60, 0x5554 }, 146 { 0x61, 0xffc0 }, 147 { 0x62, 0xa000 }, 148 { 0x63, 0xd010 }, 149 { 0x64, 0x0000 }, 150 { 0x65, 0x3fb1 }, 151 { 0x66, 0x1881 }, 152 { 0x67, 0xc810 }, 153 { 0x68, 0x2000 }, 154 { 0x69, 0xfff0 }, 155 { 0x6a, 0x0300 }, 156 { 0x6b, 0x5060 }, 157 { 0x6c, 0x0000 }, 158 { 0x6d, 0x0000 }, 159 { 0x6e, 0x0c25 }, 160 { 0x6f, 0x0c0b }, 161 { 0x70, 0x8000 }, 162 { 0x71, 0x4008 }, 163 { 0x72, 0x0000 }, 164 { 0x73, 0x0800 }, 165 { 0x74, 0xa28f }, 166 { 0x75, 0xa050 }, 167 { 0x76, 0x7fe8 }, 168 { 0x77, 0xdb8c }, 169 { 0x78, 0x0000 }, 170 { 0x79, 0x0000 }, 171 { 0x7a, 0x2a96 }, 172 { 0x7b, 0x800f }, 173 { 0x7c, 0x0200 }, 174 { 0x7d, 0x1600 }, 175 { 0x7e, 0x0000 }, 176 { 0x7f, 0x0000 }, 177 }; 178 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt274_index_def) 179 180 static const struct reg_default rt274_reg[] = { 181 { 0x00170500, 0x00000400 }, 182 { 0x00220000, 0x00000031 }, 183 { 0x00239000, 0x00000057 }, 184 { 0x0023a000, 0x00000057 }, 185 { 0x00270500, 0x00000400 }, 186 { 0x00370500, 0x00000400 }, 187 { 0x00870500, 0x00000400 }, 188 { 0x00920000, 0x00000031 }, 189 { 0x00935000, 0x00000097 }, 190 { 0x00936000, 0x00000097 }, 191 { 0x00970500, 0x00000400 }, 192 { 0x00b37000, 0x00000400 }, 193 { 0x00b37200, 0x00000400 }, 194 { 0x00b37300, 0x00000400 }, 195 { 0x00c37000, 0x00000400 }, 196 { 0x00c37100, 0x00000400 }, 197 { 0x01270500, 0x00000400 }, 198 { 0x01370500, 0x00000400 }, 199 { 0x01371f00, 0x411111f0 }, 200 { 0x01937000, 0x00000000 }, 201 { 0x01970500, 0x00000400 }, 202 { 0x02050000, 0x0000001b }, 203 { 0x02139000, 0x00000080 }, 204 { 0x0213a000, 0x00000080 }, 205 { 0x02170100, 0x00000001 }, 206 { 0x02170500, 0x00000400 }, 207 { 0x02170700, 0x00000000 }, 208 { 0x02270100, 0x00000000 }, 209 { 0x02370100, 0x00000000 }, 210 { 0x01970700, 0x00000020 }, 211 { 0x00830000, 0x00000097 }, 212 { 0x00930000, 0x00000097 }, 213 { 0x01270700, 0x00000000 }, 214 }; 215 216 static bool rt274_volatile_register(struct device *dev, unsigned int reg) 217 { 218 switch (reg) { 219 case 0 ... 0xff: 220 case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID): 221 case RT274_GET_HP_SENSE: 222 case RT274_GET_MIC_SENSE: 223 case RT274_PROC_COEF: 224 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0): 225 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0): 226 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0): 227 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0): 228 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0): 229 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0): 230 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0): 231 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0): 232 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0): 233 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0): 234 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0): 235 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0): 236 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0): 237 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0): 238 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0): 239 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0): 240 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0): 241 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0): 242 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0): 243 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0): 244 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0): 245 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0): 246 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0): 247 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0): 248 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0): 249 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0): 250 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0): 251 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0): 252 return true; 253 default: 254 return false; 255 } 256 257 258 } 259 260 static bool rt274_readable_register(struct device *dev, unsigned int reg) 261 { 262 switch (reg) { 263 case 0 ... 0xff: 264 case RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID): 265 case RT274_GET_HP_SENSE: 266 case RT274_GET_MIC_SENSE: 267 case RT274_SET_AUDIO_POWER: 268 case RT274_SET_HPO_POWER: 269 case RT274_SET_DMIC1_POWER: 270 case RT274_LOUT_MUX: 271 case RT274_HPO_MUX: 272 case RT274_ADC0_MUX: 273 case RT274_ADC1_MUX: 274 case RT274_SET_MIC: 275 case RT274_SET_PIN_HPO: 276 case RT274_SET_PIN_LOUT3: 277 case RT274_SET_PIN_DMIC1: 278 case RT274_SET_AMP_GAIN_HPO: 279 case RT274_SET_DMIC2_DEFAULT: 280 case RT274_DAC0L_GAIN: 281 case RT274_DAC0R_GAIN: 282 case RT274_DAC1L_GAIN: 283 case RT274_DAC1R_GAIN: 284 case RT274_ADCL_GAIN: 285 case RT274_ADCR_GAIN: 286 case RT274_MIC_GAIN: 287 case RT274_HPOL_GAIN: 288 case RT274_HPOR_GAIN: 289 case RT274_LOUTL_GAIN: 290 case RT274_LOUTR_GAIN: 291 case RT274_DAC_FORMAT: 292 case RT274_ADC_FORMAT: 293 case RT274_COEF_INDEX: 294 case RT274_PROC_COEF: 295 case RT274_SET_AMP_GAIN_ADC_IN1: 296 case RT274_SET_AMP_GAIN_ADC_IN2: 297 case RT274_SET_POWER(RT274_DAC_OUT0): 298 case RT274_SET_POWER(RT274_DAC_OUT1): 299 case RT274_SET_POWER(RT274_ADC_IN1): 300 case RT274_SET_POWER(RT274_ADC_IN2): 301 case RT274_SET_POWER(RT274_DMIC2): 302 case RT274_SET_POWER(RT274_MIC): 303 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_MIC, 0): 304 case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT274_HP_OUT, 0): 305 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT0, 0): 306 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_DAC_OUT1, 0): 307 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN1, 0): 308 case VERB_CMD(AC_VERB_GET_STREAM_FORMAT, RT274_ADC_IN2, 0): 309 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT0, 0): 310 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DAC_OUT1, 0): 311 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN1, 0): 312 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_ADC_IN2, 0): 313 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC1, 0): 314 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_DMIC2, 0): 315 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_MIC, 0): 316 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE1, 0): 317 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_LINE2, 0): 318 case VERB_CMD(AC_VERB_GET_AMP_GAIN_MUTE, RT274_HP_OUT, 0): 319 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_HP_OUT, 0): 320 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN1, 0): 321 case VERB_CMD(AC_VERB_GET_CONNECT_SEL, RT274_MIXER_IN2, 0): 322 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC1, 0): 323 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_DMIC2, 0): 324 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_MIC, 0): 325 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE1, 0): 326 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_LINE2, 0): 327 case VERB_CMD(AC_VERB_GET_PIN_WIDGET_CONTROL, RT274_HP_OUT, 0): 328 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_HP_OUT, 0): 329 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_MIC, 0): 330 case VERB_CMD(AC_VERB_GET_UNSOLICITED_RESPONSE, RT274_INLINE_CMD, 0): 331 return true; 332 default: 333 return false; 334 } 335 } 336 337 #ifdef CONFIG_PM 338 static void rt274_index_sync(struct snd_soc_component *component) 339 { 340 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 341 int i; 342 343 for (i = 0; i < INDEX_CACHE_SIZE; i++) { 344 snd_soc_component_write(component, rt274->index_cache[i].reg, 345 rt274->index_cache[i].def); 346 } 347 } 348 #endif 349 350 static int rt274_jack_detect(struct rt274_priv *rt274, bool *hp, bool *mic) 351 { 352 unsigned int buf; 353 int ret; 354 355 *hp = false; 356 *mic = false; 357 358 if (!rt274->component) 359 return -EINVAL; 360 361 ret = regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf); 362 if (ret) 363 return ret; 364 365 *hp = buf & 0x80000000; 366 ret = regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf); 367 if (ret) 368 return ret; 369 370 *mic = buf & 0x80000000; 371 372 pr_debug("*hp = %d *mic = %d\n", *hp, *mic); 373 374 return 0; 375 } 376 377 static void rt274_jack_detect_work(struct work_struct *work) 378 { 379 struct rt274_priv *rt274 = 380 container_of(work, struct rt274_priv, jack_detect_work.work); 381 int status = 0; 382 bool hp = false; 383 bool mic = false; 384 385 if (rt274_jack_detect(rt274, &hp, &mic) < 0) 386 return; 387 388 if (hp) 389 status |= SND_JACK_HEADPHONE; 390 391 if (mic) 392 status |= SND_JACK_MICROPHONE; 393 394 snd_soc_jack_report(rt274->jack, status, 395 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); 396 } 397 398 static irqreturn_t rt274_irq(int irq, void *data); 399 400 static int rt274_mic_detect(struct snd_soc_component *component, 401 struct snd_soc_jack *jack, void *data) 402 { 403 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 404 405 rt274->jack = jack; 406 407 if (jack == NULL) { 408 /* Disable jack detection */ 409 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, 410 RT274_IRQ_EN, RT274_IRQ_DIS); 411 412 return 0; 413 } 414 415 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, 416 RT274_IRQ_EN, RT274_IRQ_EN); 417 418 /* Send an initial report */ 419 rt274_irq(0, rt274); 420 421 return 0; 422 } 423 424 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0); 425 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 426 427 static const struct snd_kcontrol_new rt274_snd_controls[] = { 428 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT274_DAC0L_GAIN, 429 RT274_DAC0R_GAIN, 0, 0x7f, 0, out_vol_tlv), 430 SOC_DOUBLE_R_TLV("DAC1 Playback Volume", RT274_DAC1L_GAIN, 431 RT274_DAC1R_GAIN, 0, 0x7f, 0, out_vol_tlv), 432 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT274_ADCL_GAIN, 433 RT274_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv), 434 SOC_DOUBLE_R("ADC0 Capture Switch", RT274_ADCL_GAIN, 435 RT274_ADCR_GAIN, RT274_MUTE_SFT, 1, 1), 436 SOC_SINGLE_TLV("AMIC Volume", RT274_MIC_GAIN, 437 0, 0x3, 0, mic_vol_tlv), 438 }; 439 440 static const struct snd_kcontrol_new hpol_enable_control = 441 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOL_GAIN, 442 RT274_MUTE_SFT, 1, 1); 443 444 static const struct snd_kcontrol_new hpor_enable_control = 445 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_HPOR_GAIN, 446 RT274_MUTE_SFT, 1, 1); 447 448 static const struct snd_kcontrol_new loutl_enable_control = 449 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTL_GAIN, 450 RT274_MUTE_SFT, 1, 1); 451 452 static const struct snd_kcontrol_new loutr_enable_control = 453 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT274_LOUTR_GAIN, 454 RT274_MUTE_SFT, 1, 1); 455 456 /* ADC0 source */ 457 static const char * const rt274_adc_src[] = { 458 "Mic", "Line1", "Line2", "Dmic" 459 }; 460 461 static SOC_ENUM_SINGLE_DECL( 462 rt274_adc0_enum, RT274_ADC0_MUX, RT274_ADC_SEL_SFT, 463 rt274_adc_src); 464 465 static const struct snd_kcontrol_new rt274_adc0_mux = 466 SOC_DAPM_ENUM("ADC 0 source", rt274_adc0_enum); 467 468 static SOC_ENUM_SINGLE_DECL( 469 rt274_adc1_enum, RT274_ADC1_MUX, RT274_ADC_SEL_SFT, 470 rt274_adc_src); 471 472 static const struct snd_kcontrol_new rt274_adc1_mux = 473 SOC_DAPM_ENUM("ADC 1 source", rt274_adc1_enum); 474 475 static const char * const rt274_dac_src[] = { 476 "DAC OUT0", "DAC OUT1" 477 }; 478 /* HP-OUT source */ 479 static SOC_ENUM_SINGLE_DECL(rt274_hpo_enum, RT274_HPO_MUX, 480 0, rt274_dac_src); 481 482 static const struct snd_kcontrol_new rt274_hpo_mux = 483 SOC_DAPM_ENUM("HPO source", rt274_hpo_enum); 484 485 /* Line out source */ 486 static SOC_ENUM_SINGLE_DECL(rt274_lout_enum, RT274_LOUT_MUX, 487 0, rt274_dac_src); 488 489 static const struct snd_kcontrol_new rt274_lout_mux = 490 SOC_DAPM_ENUM("LOUT source", rt274_lout_enum); 491 492 static const struct snd_soc_dapm_widget rt274_dapm_widgets[] = { 493 /* Input Lines */ 494 SND_SOC_DAPM_INPUT("DMIC1 Pin"), 495 SND_SOC_DAPM_INPUT("DMIC2 Pin"), 496 SND_SOC_DAPM_INPUT("MIC"), 497 SND_SOC_DAPM_INPUT("LINE1"), 498 SND_SOC_DAPM_INPUT("LINE2"), 499 500 /* DMIC */ 501 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0), 502 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0), 503 504 /* ADCs */ 505 SND_SOC_DAPM_ADC("ADC 0", NULL, RT274_SET_STREAMID_ADC1, 4, 0), 506 SND_SOC_DAPM_ADC("ADC 1", NULL, RT274_SET_STREAMID_ADC2, 4, 0), 507 508 /* ADC Mux */ 509 SND_SOC_DAPM_MUX("ADC 0 Mux", SND_SOC_NOPM, 0, 0, 510 &rt274_adc0_mux), 511 SND_SOC_DAPM_MUX("ADC 1 Mux", SND_SOC_NOPM, 0, 0, 512 &rt274_adc1_mux), 513 514 /* Audio Interface */ 515 SND_SOC_DAPM_AIF_IN("AIF1RXL", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0), 516 SND_SOC_DAPM_AIF_IN("AIF1RXR", "AIF1 Playback", 1, SND_SOC_NOPM, 0, 0), 517 SND_SOC_DAPM_AIF_OUT("AIF1TXL", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0), 518 SND_SOC_DAPM_AIF_OUT("AIF1TXR", "AIF1 Capture", 1, SND_SOC_NOPM, 0, 0), 519 SND_SOC_DAPM_AIF_IN("AIF2RXL", "AIF1 Playback", 2, SND_SOC_NOPM, 0, 0), 520 SND_SOC_DAPM_AIF_IN("AIF2RXR", "AIF1 Playback", 3, SND_SOC_NOPM, 0, 0), 521 SND_SOC_DAPM_AIF_OUT("AIF2TXL", "AIF1 Capture", 2, SND_SOC_NOPM, 0, 0), 522 SND_SOC_DAPM_AIF_OUT("AIF2TXR", "AIF1 Capture", 3, SND_SOC_NOPM, 0, 0), 523 524 /* Output Side */ 525 /* DACs */ 526 SND_SOC_DAPM_DAC("DAC 0", NULL, RT274_SET_STREAMID_DAC0, 4, 0), 527 SND_SOC_DAPM_DAC("DAC 1", NULL, RT274_SET_STREAMID_DAC1, 4, 0), 528 529 /* Output Mux */ 530 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt274_hpo_mux), 531 SND_SOC_DAPM_MUX("LOUT Mux", SND_SOC_NOPM, 0, 0, &rt274_lout_mux), 532 533 SND_SOC_DAPM_SUPPLY("HP Power", RT274_SET_PIN_HPO, 534 RT274_SET_PIN_SFT, 0, NULL, 0), 535 SND_SOC_DAPM_SUPPLY("LOUT Power", RT274_SET_PIN_LOUT3, 536 RT274_SET_PIN_SFT, 0, NULL, 0), 537 538 /* Output Mixer */ 539 SND_SOC_DAPM_PGA("DAC OUT0", SND_SOC_NOPM, 0, 0, 540 NULL, 0), 541 SND_SOC_DAPM_PGA("DAC OUT1", SND_SOC_NOPM, 0, 0, 542 NULL, 0), 543 544 /* Output Pga */ 545 SND_SOC_DAPM_SWITCH("LOUT L", SND_SOC_NOPM, 0, 0, 546 &loutl_enable_control), 547 SND_SOC_DAPM_SWITCH("LOUT R", SND_SOC_NOPM, 0, 0, 548 &loutr_enable_control), 549 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0, 550 &hpol_enable_control), 551 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0, 552 &hpor_enable_control), 553 554 /* Output Lines */ 555 SND_SOC_DAPM_OUTPUT("HPO Pin"), 556 SND_SOC_DAPM_OUTPUT("SPDIF"), 557 SND_SOC_DAPM_OUTPUT("LINE3"), 558 }; 559 560 static const struct snd_soc_dapm_route rt274_dapm_routes[] = { 561 {"DMIC1", NULL, "DMIC1 Pin"}, 562 {"DMIC2", NULL, "DMIC2 Pin"}, 563 564 {"ADC 0 Mux", "Mic", "MIC"}, 565 {"ADC 0 Mux", "Dmic", "DMIC1"}, 566 {"ADC 0 Mux", "Line1", "LINE1"}, 567 {"ADC 0 Mux", "Line2", "LINE2"}, 568 {"ADC 1 Mux", "Mic", "MIC"}, 569 {"ADC 1 Mux", "Dmic", "DMIC2"}, 570 {"ADC 1 Mux", "Line1", "LINE1"}, 571 {"ADC 1 Mux", "Line2", "LINE2"}, 572 573 {"ADC 0", NULL, "ADC 0 Mux"}, 574 {"ADC 1", NULL, "ADC 1 Mux"}, 575 576 {"AIF1TXL", NULL, "ADC 0"}, 577 {"AIF1TXR", NULL, "ADC 0"}, 578 {"AIF2TXL", NULL, "ADC 1"}, 579 {"AIF2TXR", NULL, "ADC 1"}, 580 581 {"DAC 0", NULL, "AIF1RXL"}, 582 {"DAC 0", NULL, "AIF1RXR"}, 583 {"DAC 1", NULL, "AIF2RXL"}, 584 {"DAC 1", NULL, "AIF2RXR"}, 585 586 {"DAC OUT0", NULL, "DAC 0"}, 587 588 {"DAC OUT1", NULL, "DAC 1"}, 589 590 {"LOUT Mux", "DAC OUT0", "DAC OUT0"}, 591 {"LOUT Mux", "DAC OUT1", "DAC OUT1"}, 592 593 {"LOUT L", "Switch", "LOUT Mux"}, 594 {"LOUT R", "Switch", "LOUT Mux"}, 595 {"LOUT L", NULL, "LOUT Power"}, 596 {"LOUT R", NULL, "LOUT Power"}, 597 598 {"LINE3", NULL, "LOUT L"}, 599 {"LINE3", NULL, "LOUT R"}, 600 601 {"HPO Mux", "DAC OUT0", "DAC OUT0"}, 602 {"HPO Mux", "DAC OUT1", "DAC OUT1"}, 603 604 {"HPO L", "Switch", "HPO Mux"}, 605 {"HPO R", "Switch", "HPO Mux"}, 606 {"HPO L", NULL, "HP Power"}, 607 {"HPO R", NULL, "HP Power"}, 608 609 {"HPO Pin", NULL, "HPO L"}, 610 {"HPO Pin", NULL, "HPO R"}, 611 }; 612 613 static int rt274_hw_params(struct snd_pcm_substream *substream, 614 struct snd_pcm_hw_params *params, 615 struct snd_soc_dai *dai) 616 { 617 struct snd_soc_component *component = dai->component; 618 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 619 unsigned int val = 0; 620 int d_len_code = 0, c_len_code = 0; 621 622 switch (params_rate(params)) { 623 /* bit 14 0:48K 1:44.1K */ 624 case 44100: 625 case 48000: 626 break; 627 default: 628 dev_err(component->dev, "Unsupported sample rate %d\n", 629 params_rate(params)); 630 return -EINVAL; 631 } 632 switch (rt274->sys_clk) { 633 case 12288000: 634 case 24576000: 635 if (params_rate(params) != 48000) { 636 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n", 637 params_rate(params), rt274->sys_clk); 638 return -EINVAL; 639 } 640 break; 641 case 11289600: 642 case 22579200: 643 if (params_rate(params) != 44100) { 644 dev_err(component->dev, "Sys_clk is not matched (%d %d)\n", 645 params_rate(params), rt274->sys_clk); 646 return -EINVAL; 647 } 648 break; 649 } 650 651 if (params_channels(params) <= 16) { 652 /* bit 3:0 Number of Channel */ 653 val |= (params_channels(params) - 1); 654 } else { 655 dev_err(component->dev, "Unsupported channels %d\n", 656 params_channels(params)); 657 return -EINVAL; 658 } 659 660 switch (params_width(params)) { 661 /* bit 6:4 Bits per Sample */ 662 case 16: 663 d_len_code = 0; 664 c_len_code = 0; 665 val |= (0x1 << 4); 666 break; 667 case 32: 668 d_len_code = 2; 669 c_len_code = 3; 670 val |= (0x4 << 4); 671 break; 672 case 20: 673 d_len_code = 1; 674 c_len_code = 1; 675 val |= (0x2 << 4); 676 break; 677 case 24: 678 d_len_code = 2; 679 c_len_code = 2; 680 val |= (0x3 << 4); 681 break; 682 case 8: 683 d_len_code = 3; 684 c_len_code = 0; 685 break; 686 default: 687 return -EINVAL; 688 } 689 690 if (rt274->master) 691 c_len_code = 0x3; 692 693 snd_soc_component_update_bits(component, 694 RT274_I2S_CTRL1, 0xc018, d_len_code << 3 | c_len_code << 14); 695 dev_dbg(component->dev, "format val = 0x%x\n", val); 696 697 snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x407f, val); 698 snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x407f, val); 699 700 return 0; 701 } 702 703 static int rt274_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 704 { 705 struct snd_soc_component *component = dai->component; 706 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 707 708 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 709 case SND_SOC_DAIFMT_CBM_CFM: 710 snd_soc_component_update_bits(component, 711 RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_M); 712 rt274->master = true; 713 break; 714 case SND_SOC_DAIFMT_CBS_CFS: 715 snd_soc_component_update_bits(component, 716 RT274_I2S_CTRL1, RT274_I2S_MODE_MASK, RT274_I2S_MODE_S); 717 rt274->master = false; 718 break; 719 default: 720 return -EINVAL; 721 } 722 723 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 724 case SND_SOC_DAIFMT_I2S: 725 snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 726 RT274_I2S_FMT_MASK, RT274_I2S_FMT_I2S); 727 break; 728 case SND_SOC_DAIFMT_LEFT_J: 729 snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 730 RT274_I2S_FMT_MASK, RT274_I2S_FMT_LJ); 731 break; 732 case SND_SOC_DAIFMT_DSP_A: 733 snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 734 RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMA); 735 break; 736 case SND_SOC_DAIFMT_DSP_B: 737 snd_soc_component_update_bits(component, RT274_I2S_CTRL1, 738 RT274_I2S_FMT_MASK, RT274_I2S_FMT_PCMB); 739 break; 740 default: 741 return -EINVAL; 742 } 743 /* bit 15 Stream Type 0:PCM 1:Non-PCM */ 744 snd_soc_component_update_bits(component, RT274_DAC_FORMAT, 0x8000, 0); 745 snd_soc_component_update_bits(component, RT274_ADC_FORMAT, 0x8000, 0); 746 747 return 0; 748 } 749 750 static int rt274_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, 751 unsigned int freq_in, unsigned int freq_out) 752 { 753 struct snd_soc_component *component = dai->component; 754 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 755 756 switch (source) { 757 case RT274_PLL2_S_MCLK: 758 snd_soc_component_update_bits(component, RT274_PLL2_CTRL, 759 RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_MCLK); 760 break; 761 default: 762 dev_warn(component->dev, "invalid pll source, use BCLK\n"); 763 /* fall through */ 764 case RT274_PLL2_S_BCLK: 765 snd_soc_component_update_bits(component, RT274_PLL2_CTRL, 766 RT274_PLL2_SRC_MASK, RT274_PLL2_SRC_BCLK); 767 break; 768 } 769 770 if (source == RT274_PLL2_S_BCLK) { 771 snd_soc_component_update_bits(component, RT274_MCLK_CTRL, 772 (0x3 << 12), (0x3 << 12)); 773 switch (rt274->fs) { 774 case 50: 775 snd_soc_component_write(component, 0x7a, 0xaab6); 776 snd_soc_component_write(component, 0x7b, 0x0301); 777 snd_soc_component_write(component, 0x7c, 0x04fe); 778 break; 779 case 64: 780 snd_soc_component_write(component, 0x7a, 0xaa96); 781 snd_soc_component_write(component, 0x7b, 0x8003); 782 snd_soc_component_write(component, 0x7c, 0x081e); 783 break; 784 case 128: 785 snd_soc_component_write(component, 0x7a, 0xaa96); 786 snd_soc_component_write(component, 0x7b, 0x8003); 787 snd_soc_component_write(component, 0x7c, 0x080e); 788 break; 789 default: 790 dev_warn(component->dev, "invalid freq_in, assume 4.8M\n"); 791 /* fall through */ 792 case 100: 793 snd_soc_component_write(component, 0x7a, 0xaab6); 794 snd_soc_component_write(component, 0x7b, 0x0301); 795 snd_soc_component_write(component, 0x7c, 0x047e); 796 break; 797 } 798 } 799 800 return 0; 801 } 802 803 static int rt274_set_dai_sysclk(struct snd_soc_dai *dai, 804 int clk_id, unsigned int freq, int dir) 805 { 806 struct snd_soc_component *component = dai->component; 807 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 808 unsigned int clk_src, mclk_en; 809 810 dev_dbg(component->dev, "%s freq=%d\n", __func__, freq); 811 812 switch (clk_id) { 813 case RT274_SCLK_S_MCLK: 814 mclk_en = RT274_MCLK_MODE_EN; 815 clk_src = RT274_CLK_SRC_MCLK; 816 break; 817 case RT274_SCLK_S_PLL1: 818 mclk_en = RT274_MCLK_MODE_DIS; 819 clk_src = RT274_CLK_SRC_MCLK; 820 break; 821 case RT274_SCLK_S_PLL2: 822 mclk_en = RT274_MCLK_MODE_EN; 823 clk_src = RT274_CLK_SRC_PLL2; 824 break; 825 default: 826 mclk_en = RT274_MCLK_MODE_DIS; 827 clk_src = RT274_CLK_SRC_MCLK; 828 dev_warn(component->dev, "invalid sysclk source, use PLL1\n"); 829 break; 830 } 831 snd_soc_component_update_bits(component, RT274_MCLK_CTRL, 832 RT274_MCLK_MODE_MASK, mclk_en); 833 snd_soc_component_update_bits(component, RT274_CLK_CTRL, 834 RT274_CLK_SRC_MASK, clk_src); 835 836 switch (freq) { 837 case 19200000: 838 if (clk_id == RT274_SCLK_S_MCLK) { 839 dev_err(component->dev, "Should not use MCLK\n"); 840 return -EINVAL; 841 } 842 snd_soc_component_update_bits(component, 843 RT274_I2S_CTRL2, 0x40, 0x40); 844 break; 845 case 24000000: 846 if (clk_id == RT274_SCLK_S_MCLK) { 847 dev_err(component->dev, "Should not use MCLK\n"); 848 return -EINVAL; 849 } 850 snd_soc_component_update_bits(component, 851 RT274_I2S_CTRL2, 0x40, 0x0); 852 break; 853 case 12288000: 854 case 11289600: 855 snd_soc_component_update_bits(component, 856 RT274_MCLK_CTRL, 0x1fcf, 0x0008); 857 break; 858 case 24576000: 859 case 22579200: 860 snd_soc_component_update_bits(component, 861 RT274_MCLK_CTRL, 0x1fcf, 0x1543); 862 break; 863 default: 864 dev_err(component->dev, "Unsupported system clock\n"); 865 return -EINVAL; 866 } 867 868 rt274->sys_clk = freq; 869 rt274->clk_id = clk_id; 870 871 return 0; 872 } 873 874 static int rt274_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) 875 { 876 struct snd_soc_component *component = dai->component; 877 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 878 879 dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio); 880 rt274->fs = ratio; 881 if ((ratio / 50) == 0) 882 snd_soc_component_update_bits(component, 883 RT274_I2S_CTRL1, 0x1000, 0x1000); 884 else 885 snd_soc_component_update_bits(component, 886 RT274_I2S_CTRL1, 0x1000, 0x0); 887 888 889 return 0; 890 } 891 892 static int rt274_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, 893 unsigned int rx_mask, int slots, int slot_width) 894 895 { 896 struct snd_soc_component *component = dai->component; 897 898 if (rx_mask || tx_mask) { 899 snd_soc_component_update_bits(component, 900 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_EN); 901 } else { 902 snd_soc_component_update_bits(component, 903 RT274_I2S_CTRL1, RT274_TDM_EN, RT274_TDM_DIS); 904 return 0; 905 } 906 907 switch (slots) { 908 case 4: 909 snd_soc_component_update_bits(component, 910 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_4CH); 911 break; 912 case 2: 913 snd_soc_component_update_bits(component, 914 RT274_I2S_CTRL1, RT274_TDM_CH_NUM, RT274_TDM_2CH); 915 break; 916 default: 917 dev_err(component->dev, 918 "Support 2 or 4 slots TDM only\n"); 919 return -EINVAL; 920 } 921 922 return 0; 923 } 924 925 static int rt274_set_bias_level(struct snd_soc_component *component, 926 enum snd_soc_bias_level level) 927 { 928 switch (level) { 929 case SND_SOC_BIAS_PREPARE: 930 if (SND_SOC_BIAS_STANDBY == 931 snd_soc_component_get_bias_level(component)) { 932 snd_soc_component_write(component, 933 RT274_SET_AUDIO_POWER, AC_PWRST_D0); 934 } 935 break; 936 937 case SND_SOC_BIAS_STANDBY: 938 snd_soc_component_write(component, 939 RT274_SET_AUDIO_POWER, AC_PWRST_D3); 940 break; 941 942 default: 943 break; 944 } 945 946 return 0; 947 } 948 949 static irqreturn_t rt274_irq(int irq, void *data) 950 { 951 struct rt274_priv *rt274 = data; 952 bool hp = false; 953 bool mic = false; 954 int ret, status = 0; 955 956 /* Clear IRQ */ 957 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, 958 RT274_IRQ_CLR, RT274_IRQ_CLR); 959 960 ret = rt274_jack_detect(rt274, &hp, &mic); 961 962 if (ret == 0) { 963 if (hp) 964 status |= SND_JACK_HEADPHONE; 965 966 if (mic) 967 status |= SND_JACK_MICROPHONE; 968 969 snd_soc_jack_report(rt274->jack, status, 970 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE); 971 972 pm_wakeup_event(&rt274->i2c->dev, 300); 973 } 974 975 return IRQ_HANDLED; 976 } 977 978 static int rt274_probe(struct snd_soc_component *component) 979 { 980 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 981 982 rt274->component = component; 983 984 if (rt274->i2c->irq) { 985 INIT_DELAYED_WORK(&rt274->jack_detect_work, 986 rt274_jack_detect_work); 987 schedule_delayed_work(&rt274->jack_detect_work, 988 msecs_to_jiffies(1250)); 989 } 990 991 return 0; 992 } 993 994 static void rt274_remove(struct snd_soc_component *component) 995 { 996 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 997 998 cancel_delayed_work_sync(&rt274->jack_detect_work); 999 } 1000 1001 #ifdef CONFIG_PM 1002 static int rt274_suspend(struct snd_soc_component *component) 1003 { 1004 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 1005 1006 regcache_cache_only(rt274->regmap, true); 1007 regcache_mark_dirty(rt274->regmap); 1008 1009 return 0; 1010 } 1011 1012 static int rt274_resume(struct snd_soc_component *component) 1013 { 1014 struct rt274_priv *rt274 = snd_soc_component_get_drvdata(component); 1015 1016 regcache_cache_only(rt274->regmap, false); 1017 rt274_index_sync(component); 1018 regcache_sync(rt274->regmap); 1019 1020 return 0; 1021 } 1022 #else 1023 #define rt274_suspend NULL 1024 #define rt274_resume NULL 1025 #endif 1026 1027 #define RT274_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) 1028 #define RT274_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 1029 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) 1030 1031 static const struct snd_soc_dai_ops rt274_aif_dai_ops = { 1032 .hw_params = rt274_hw_params, 1033 .set_fmt = rt274_set_dai_fmt, 1034 .set_sysclk = rt274_set_dai_sysclk, 1035 .set_pll = rt274_set_dai_pll, 1036 .set_bclk_ratio = rt274_set_bclk_ratio, 1037 .set_tdm_slot = rt274_set_tdm_slot, 1038 }; 1039 1040 static struct snd_soc_dai_driver rt274_dai[] = { 1041 { 1042 .name = "rt274-aif1", 1043 .id = RT274_AIF1, 1044 .playback = { 1045 .stream_name = "AIF1 Playback", 1046 .channels_min = 1, 1047 .channels_max = 2, 1048 .rates = RT274_STEREO_RATES, 1049 .formats = RT274_FORMATS, 1050 }, 1051 .capture = { 1052 .stream_name = "AIF1 Capture", 1053 .channels_min = 1, 1054 .channels_max = 2, 1055 .rates = RT274_STEREO_RATES, 1056 .formats = RT274_FORMATS, 1057 }, 1058 .ops = &rt274_aif_dai_ops, 1059 .symmetric_rates = 1, 1060 }, 1061 }; 1062 1063 static const struct snd_soc_component_driver soc_component_dev_rt274 = { 1064 .probe = rt274_probe, 1065 .remove = rt274_remove, 1066 .suspend = rt274_suspend, 1067 .resume = rt274_resume, 1068 .set_bias_level = rt274_set_bias_level, 1069 .set_jack = rt274_mic_detect, 1070 .controls = rt274_snd_controls, 1071 .num_controls = ARRAY_SIZE(rt274_snd_controls), 1072 .dapm_widgets = rt274_dapm_widgets, 1073 .num_dapm_widgets = ARRAY_SIZE(rt274_dapm_widgets), 1074 .dapm_routes = rt274_dapm_routes, 1075 .num_dapm_routes = ARRAY_SIZE(rt274_dapm_routes), 1076 .use_pmdown_time = 1, 1077 .endianness = 1, 1078 .non_legacy_dai_naming = 1, 1079 }; 1080 1081 static const struct regmap_config rt274_regmap = { 1082 .reg_bits = 32, 1083 .val_bits = 32, 1084 .max_register = 0x05bfffff, 1085 .volatile_reg = rt274_volatile_register, 1086 .readable_reg = rt274_readable_register, 1087 .reg_write = rl6347a_hw_write, 1088 .reg_read = rl6347a_hw_read, 1089 .cache_type = REGCACHE_RBTREE, 1090 .reg_defaults = rt274_reg, 1091 .num_reg_defaults = ARRAY_SIZE(rt274_reg), 1092 }; 1093 1094 #ifdef CONFIG_OF 1095 static const struct of_device_id rt274_of_match[] = { 1096 {.compatible = "realtek,rt274"}, 1097 {}, 1098 }; 1099 MODULE_DEVICE_TABLE(of, rt274_of_match); 1100 #endif 1101 1102 static const struct i2c_device_id rt274_i2c_id[] = { 1103 {"rt274", 0}, 1104 {} 1105 }; 1106 MODULE_DEVICE_TABLE(i2c, rt274_i2c_id); 1107 1108 static const struct acpi_device_id rt274_acpi_match[] = { 1109 { "10EC0274", 0 }, 1110 { "INT34C2", 0 }, 1111 {}, 1112 }; 1113 MODULE_DEVICE_TABLE(acpi, rt274_acpi_match); 1114 1115 static int rt274_i2c_probe(struct i2c_client *i2c, 1116 const struct i2c_device_id *id) 1117 { 1118 struct rt274_priv *rt274; 1119 1120 int ret; 1121 unsigned int val; 1122 1123 rt274 = devm_kzalloc(&i2c->dev, sizeof(*rt274), 1124 GFP_KERNEL); 1125 if (rt274 == NULL) 1126 return -ENOMEM; 1127 1128 rt274->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt274_regmap); 1129 if (IS_ERR(rt274->regmap)) { 1130 ret = PTR_ERR(rt274->regmap); 1131 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 1132 ret); 1133 return ret; 1134 } 1135 1136 ret = regmap_read(rt274->regmap, 1137 RT274_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val); 1138 if (ret) 1139 return ret; 1140 1141 if (val != RT274_VENDOR_ID) { 1142 dev_err(&i2c->dev, 1143 "Device with ID register %#x is not rt274\n", val); 1144 return -ENODEV; 1145 } 1146 1147 rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def, 1148 sizeof(rt274_index_def), GFP_KERNEL); 1149 if (!rt274->index_cache) 1150 return -ENOMEM; 1151 1152 rt274->index_cache_size = INDEX_CACHE_SIZE; 1153 rt274->i2c = i2c; 1154 i2c_set_clientdata(i2c, rt274); 1155 1156 /* reset codec */ 1157 regmap_write(rt274->regmap, RT274_RESET, 0); 1158 regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000); 1159 1160 /* Set Pad PDB is floating */ 1161 regmap_update_bits(rt274->regmap, RT274_PAD_CTRL12, 0x3, 0x0); 1162 regmap_write(rt274->regmap, RT274_COEF5b_INDEX, 0x01); 1163 regmap_write(rt274->regmap, RT274_COEF5b_COEF, 0x8540); 1164 regmap_update_bits(rt274->regmap, 0x6f, 0x0100, 0x0100); 1165 /* Combo jack auto detect */ 1166 regmap_write(rt274->regmap, 0x4a, 0x201b); 1167 /* Aux mode off */ 1168 regmap_update_bits(rt274->regmap, 0x6f, 0x3000, 0x2000); 1169 /* HP DC Calibration */ 1170 regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0x0); 1171 /* Set NID=58h.Index 00h [15]= 1b; */ 1172 regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00); 1173 regmap_write(rt274->regmap, RT274_COEF58_COEF, 0xb888); 1174 msleep(500); 1175 regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0xb); 1176 regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00); 1177 regmap_write(rt274->regmap, RT274_COEF58_COEF, 0x3888); 1178 /* Set pin widget */ 1179 regmap_write(rt274->regmap, RT274_SET_PIN_HPO, 0x40); 1180 regmap_write(rt274->regmap, RT274_SET_PIN_LOUT3, 0x40); 1181 regmap_write(rt274->regmap, RT274_SET_MIC, 0x20); 1182 regmap_write(rt274->regmap, RT274_SET_PIN_DMIC1, 0x20); 1183 1184 regmap_update_bits(rt274->regmap, RT274_I2S_CTRL2, 0xc004, 0x4004); 1185 regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL, 1186 RT274_GPI2_SEL_MASK, RT274_GPI2_SEL_DMIC_CLK); 1187 1188 /* jack detection */ 1189 regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81); 1190 regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82); 1191 1192 if (rt274->i2c->irq) { 1193 ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq, 1194 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt274", rt274); 1195 if (ret != 0) { 1196 dev_err(&i2c->dev, 1197 "Failed to reguest IRQ: %d\n", ret); 1198 return ret; 1199 } 1200 } 1201 1202 ret = devm_snd_soc_register_component(&i2c->dev, 1203 &soc_component_dev_rt274, 1204 rt274_dai, ARRAY_SIZE(rt274_dai)); 1205 1206 return ret; 1207 } 1208 1209 static int rt274_i2c_remove(struct i2c_client *i2c) 1210 { 1211 struct rt274_priv *rt274 = i2c_get_clientdata(i2c); 1212 1213 if (i2c->irq) 1214 free_irq(i2c->irq, rt274); 1215 1216 return 0; 1217 } 1218 1219 1220 static struct i2c_driver rt274_i2c_driver = { 1221 .driver = { 1222 .name = "rt274", 1223 .acpi_match_table = ACPI_PTR(rt274_acpi_match), 1224 #ifdef CONFIG_OF 1225 .of_match_table = of_match_ptr(rt274_of_match), 1226 #endif 1227 }, 1228 .probe = rt274_i2c_probe, 1229 .remove = rt274_i2c_remove, 1230 .id_table = rt274_i2c_id, 1231 }; 1232 1233 module_i2c_driver(rt274_i2c_driver); 1234 1235 MODULE_DESCRIPTION("ASoC RT274 driver"); 1236 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>"); 1237 MODULE_LICENSE("GPL v2"); 1238