1// SPDX-License-Identifier: GPL-2.0-only 2// 3// aw88261.c -- AW88261 ALSA SoC Audio driver 4// 5// Copyright (c) 2023 awinic Technology CO., LTD 6// 7// Author: Jimmy Zhang <zhangjianming@awinic.com> 8// Author: Weidong Wang <wangweidong.a@awinic.com> 9// 10 11#include <linux/i2c.h> 12#include <linux/firmware.h> 13#include <linux/of_gpio.h> 14#include <linux/regmap.h> 15#include <sound/soc.h> 16#include "aw88261.h" 17#include "aw88395/aw88395_data_type.h" 18#include "aw88395/aw88395_device.h" 19 20static const struct regmap_config aw88261_remap_config = { 21 .val_bits = 16, 22 .reg_bits = 8, 23 .max_register = AW88261_REG_MAX - 1, 24 .reg_format_endian = REGMAP_ENDIAN_LITTLE, 25 .val_format_endian = REGMAP_ENDIAN_BIG, 26}; 27 28static void aw88261_dev_set_volume(struct aw_device *aw_dev, unsigned int value) 29{ 30 struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; 31 unsigned int real_value, volume; 32 unsigned int reg_value; 33 34 volume = min((value + vol_desc->init_volume), (unsigned int)AW88261_MUTE_VOL); 35 real_value = DB_TO_REG_VAL(volume); 36 37 regmap_read(aw_dev->regmap, AW88261_SYSCTRL2_REG, ®_value); 38 39 real_value = (real_value | (reg_value & AW88261_VOL_START_MASK)); 40 41 dev_dbg(aw_dev->dev, "value 0x%x , real_value:0x%x", value, real_value); 42 43 regmap_write(aw_dev->regmap, AW88261_SYSCTRL2_REG, real_value); 44} 45 46static void aw88261_dev_fade_in(struct aw_device *aw_dev) 47{ 48 struct aw_volume_desc *desc = &aw_dev->volume_desc; 49 int fade_in_vol = desc->ctl_volume; 50 int fade_step = aw_dev->fade_step; 51 int i; 52 53 if (fade_step == 0 || aw_dev->fade_in_time == 0) { 54 aw88261_dev_set_volume(aw_dev, fade_in_vol); 55 return; 56 } 57 58 for (i = AW88261_MUTE_VOL; i >= fade_in_vol; i -= fade_step) { 59 aw88261_dev_set_volume(aw_dev, i); 60 usleep_range(aw_dev->fade_in_time, 61 aw_dev->fade_in_time + 10); 62 } 63 64 if (i != fade_in_vol) 65 aw88261_dev_set_volume(aw_dev, fade_in_vol); 66} 67 68static void aw88261_dev_fade_out(struct aw_device *aw_dev) 69{ 70 struct aw_volume_desc *desc = &aw_dev->volume_desc; 71 int fade_step = aw_dev->fade_step; 72 int i; 73 74 if (fade_step == 0 || aw_dev->fade_out_time == 0) { 75 aw88261_dev_set_volume(aw_dev, AW88261_MUTE_VOL); 76 return; 77 } 78 79 for (i = desc->ctl_volume; i <= AW88261_MUTE_VOL; i += fade_step) { 80 aw88261_dev_set_volume(aw_dev, i); 81 usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); 82 } 83 84 if (i != AW88261_MUTE_VOL) { 85 aw88261_dev_set_volume(aw_dev, AW88261_MUTE_VOL); 86 usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); 87 } 88} 89 90static void aw88261_dev_i2s_tx_enable(struct aw_device *aw_dev, bool flag) 91{ 92 if (flag) 93 regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG, 94 ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_ENABLE_VALUE); 95 else 96 regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG, 97 ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_DISABLE_VALUE); 98} 99 100static void aw88261_dev_pwd(struct aw_device *aw_dev, bool pwd) 101{ 102 if (pwd) 103 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 104 ~AW88261_PWDN_MASK, AW88261_PWDN_POWER_DOWN_VALUE); 105 else 106 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 107 ~AW88261_PWDN_MASK, AW88261_PWDN_WORKING_VALUE); 108} 109 110static void aw88261_dev_amppd(struct aw_device *aw_dev, bool amppd) 111{ 112 if (amppd) 113 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 114 ~AW88261_AMPPD_MASK, AW88261_AMPPD_POWER_DOWN_VALUE); 115 else 116 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 117 ~AW88261_AMPPD_MASK, AW88261_AMPPD_WORKING_VALUE); 118} 119 120static void aw88261_dev_mute(struct aw_device *aw_dev, bool is_mute) 121{ 122 if (is_mute) { 123 aw88261_dev_fade_out(aw_dev); 124 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 125 ~AW88261_HMUTE_MASK, AW88261_HMUTE_ENABLE_VALUE); 126 } else { 127 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 128 ~AW88261_HMUTE_MASK, AW88261_HMUTE_DISABLE_VALUE); 129 aw88261_dev_fade_in(aw_dev); 130 } 131} 132 133static void aw88261_dev_clear_int_status(struct aw_device *aw_dev) 134{ 135 unsigned int int_status; 136 137 /* read int status and clear */ 138 regmap_read(aw_dev->regmap, AW88261_SYSINT_REG, &int_status); 139 /* make sure int status is clear */ 140 regmap_read(aw_dev->regmap, AW88261_SYSINT_REG, &int_status); 141 142 dev_dbg(aw_dev->dev, "read interrupt reg = 0x%04x", int_status); 143} 144 145static int aw88261_dev_get_iis_status(struct aw_device *aw_dev) 146{ 147 unsigned int reg_val; 148 int ret; 149 150 ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val); 151 if (ret) 152 return ret; 153 if ((reg_val & AW88261_BIT_PLL_CHECK) != AW88261_BIT_PLL_CHECK) { 154 dev_err(aw_dev->dev, "check pll lock fail,reg_val:0x%04x", reg_val); 155 return -EINVAL; 156 } 157 158 return ret; 159} 160 161static int aw88261_dev_check_mode1_pll(struct aw_device *aw_dev) 162{ 163 int ret, i; 164 165 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 166 ret = aw88261_dev_get_iis_status(aw_dev); 167 if (ret) { 168 dev_err(aw_dev->dev, "mode1 iis signal check error"); 169 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 170 } else { 171 return ret; 172 } 173 } 174 175 return -EPERM; 176} 177 178static int aw88261_dev_check_mode2_pll(struct aw_device *aw_dev) 179{ 180 unsigned int reg_val; 181 int ret, i; 182 183 ret = regmap_read(aw_dev->regmap, AW88261_PLLCTRL1_REG, ®_val); 184 if (ret) 185 return ret; 186 187 reg_val &= (~AW88261_CCO_MUX_MASK); 188 if (reg_val == AW88261_CCO_MUX_DIVIDED_VALUE) { 189 dev_dbg(aw_dev->dev, "CCO_MUX is already divider"); 190 return -EPERM; 191 } 192 193 /* change mode2 */ 194 ret = regmap_update_bits(aw_dev->regmap, AW88261_PLLCTRL1_REG, 195 ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_DIVIDED_VALUE); 196 if (ret) 197 return ret; 198 199 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 200 ret = aw88261_dev_get_iis_status(aw_dev); 201 if (ret) { 202 dev_err(aw_dev->dev, "mode2 iis signal check error"); 203 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 204 } else { 205 break; 206 } 207 } 208 209 /* change mode1 */ 210 ret = regmap_update_bits(aw_dev->regmap, AW88261_PLLCTRL1_REG, 211 ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_BYPASS_VALUE); 212 if (ret == 0) { 213 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 214 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 215 ret = aw88261_dev_check_mode1_pll(aw_dev); 216 if (ret) { 217 dev_err(aw_dev->dev, "mode2 switch to mode1, iis signal check error"); 218 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 219 } else { 220 break; 221 } 222 } 223 } 224 225 return ret; 226} 227 228static int aw88261_dev_check_syspll(struct aw_device *aw_dev) 229{ 230 int ret; 231 232 ret = aw88261_dev_check_mode1_pll(aw_dev); 233 if (ret) { 234 dev_dbg(aw_dev->dev, "mode1 check iis failed try switch to mode2 check"); 235 ret = aw88261_dev_check_mode2_pll(aw_dev); 236 if (ret) { 237 dev_err(aw_dev->dev, "mode2 check iis failed"); 238 return ret; 239 } 240 } 241 242 return ret; 243} 244 245static int aw88261_dev_check_sysst(struct aw_device *aw_dev) 246{ 247 unsigned int check_val; 248 unsigned int reg_val; 249 int ret, i; 250 251 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 252 ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val); 253 if (ret) 254 return ret; 255 256 check_val = reg_val & (~AW88261_BIT_SYSST_CHECK_MASK) 257 & AW88261_BIT_SYSST_CHECK; 258 if (check_val != AW88261_BIT_SYSST_CHECK) { 259 dev_err(aw_dev->dev, "check sysst fail, reg_val=0x%04x, check:0x%x", 260 reg_val, AW88261_BIT_SYSST_CHECK); 261 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 262 } else { 263 return 0; 264 } 265 } 266 267 return -EPERM; 268} 269 270static void aw88261_dev_uls_hmute(struct aw_device *aw_dev, bool uls_hmute) 271{ 272 if (uls_hmute) 273 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 274 ~AW88261_ULS_HMUTE_MASK, 275 AW88261_ULS_HMUTE_ENABLE_VALUE); 276 else 277 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 278 ~AW88261_ULS_HMUTE_MASK, 279 AW88261_ULS_HMUTE_DISABLE_VALUE); 280} 281 282static void aw88261_reg_force_set(struct aw88261 *aw88261) 283{ 284 if (aw88261->frcset_en == AW88261_FRCSET_ENABLE) { 285 /* set FORCE_PWM */ 286 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL3_REG, 287 AW88261_FORCE_PWM_MASK, AW88261_FORCE_PWM_FORCEMINUS_PWM_VALUE); 288 /* set BOOST_OS_WIDTH */ 289 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL5_REG, 290 AW88261_BST_OS_WIDTH_MASK, AW88261_BST_OS_WIDTH_50NS_VALUE); 291 /* set BURST_LOOPR */ 292 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL6_REG, 293 AW88261_BST_LOOPR_MASK, AW88261_BST_LOOPR_340K_VALUE); 294 /* set RSQN_DLY */ 295 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL7_REG, 296 AW88261_RSQN_DLY_MASK, AW88261_RSQN_DLY_35NS_VALUE); 297 /* set BURST_SSMODE */ 298 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL8_REG, 299 AW88261_BURST_SSMODE_MASK, AW88261_BURST_SSMODE_FAST_VALUE); 300 /* set BST_BURST */ 301 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL9_REG, 302 AW88261_BST_BURST_MASK, AW88261_BST_BURST_30MA_VALUE); 303 } else { 304 dev_dbg(aw88261->aw_pa->dev, "needn't set reg value"); 305 } 306} 307 308static int aw88261_dev_get_icalk(struct aw_device *aw_dev, int16_t *icalk) 309{ 310 u16 reg_icalk, reg_icalkl; 311 unsigned int reg_val; 312 int ret; 313 314 ret = regmap_read(aw_dev->regmap, AW88261_EFRH4_REG, ®_val); 315 if (ret) 316 return ret; 317 318 reg_icalk = reg_val & (~AW88261_EF_ISN_GESLP_H_MASK); 319 320 ret = regmap_read(aw_dev->regmap, AW88261_EFRL4_REG, ®_val); 321 if (ret) 322 return ret; 323 324 reg_icalkl = reg_val & (~AW88261_EF_ISN_GESLP_L_MASK); 325 326 reg_icalk = (reg_icalk >> AW88261_ICALK_SHIFT) & (reg_icalkl >> AW88261_ICALKL_SHIFT); 327 328 if (reg_icalk & (~AW88261_EF_ISN_GESLP_SIGN_MASK)) 329 reg_icalk = reg_icalk | ~AW88261_EF_ISN_GESLP_NEG; 330 331 *icalk = (int16_t)reg_icalk; 332 333 return ret; 334} 335 336static int aw88261_dev_get_vcalk(struct aw_device *aw_dev, int16_t *vcalk) 337{ 338 u16 reg_vcalk, reg_vcalkl; 339 unsigned int reg_val; 340 int ret; 341 342 ret = regmap_read(aw_dev->regmap, AW88261_EFRH3_REG, ®_val); 343 if (ret) 344 return ret; 345 346 reg_vcalk = (u16)reg_val & (~AW88261_EF_VSN_GESLP_H_MASK); 347 348 ret = regmap_read(aw_dev->regmap, AW88261_EFRL3_REG, ®_val); 349 if (ret) 350 return ret; 351 352 reg_vcalkl = (u16)reg_val & (~AW88261_EF_VSN_GESLP_L_MASK); 353 354 reg_vcalk = (reg_vcalk >> AW88261_VCALK_SHIFT) & (reg_vcalkl >> AW88261_VCALKL_SHIFT); 355 356 if (reg_vcalk & AW88261_EF_VSN_GESLP_SIGN_MASK) 357 reg_vcalk = reg_vcalk | (~AW88261_EF_VSN_GESLP_NEG); 358 *vcalk = (int16_t)reg_vcalk; 359 360 return ret; 361} 362 363static int aw88261_dev_set_vcalb(struct aw_device *aw_dev) 364{ 365 int16_t icalk_val, vcalk_val; 366 int icalk, vcalk, vcalb; 367 u32 reg_val; 368 int ret; 369 370 ret = aw88261_dev_get_icalk(aw_dev, &icalk_val); 371 if (ret) 372 return ret; 373 374 ret = aw88261_dev_get_vcalk(aw_dev, &vcalk_val); 375 if (ret) 376 return ret; 377 378 icalk = AW88261_CABL_BASE_VALUE + AW88261_ICABLK_FACTOR * icalk_val; 379 vcalk = AW88261_CABL_BASE_VALUE + AW88261_VCABLK_FACTOR * vcalk_val; 380 if (!vcalk) 381 return -EINVAL; 382 383 vcalb = AW88261_VCAL_FACTOR * icalk / vcalk; 384 reg_val = (unsigned int)vcalb; 385 386 dev_dbg(aw_dev->dev, "icalk=%d, vcalk=%d, vcalb=%d, reg_val=0x%04x", 387 icalk, vcalk, vcalb, reg_val); 388 ret = regmap_write(aw_dev->regmap, AW88261_VSNTM1_REG, reg_val); 389 390 return ret; 391} 392 393static int aw88261_dev_reg_update(struct aw88261 *aw88261, 394 unsigned char *data, unsigned int len) 395{ 396 struct aw_device *aw_dev = aw88261->aw_pa; 397 struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; 398 unsigned int read_val, efcheck_val, read_vol; 399 int data_len, i, ret; 400 int16_t *reg_data; 401 u16 reg_val; 402 u8 reg_addr; 403 404 if (!len || !data) { 405 dev_err(aw_dev->dev, "reg data is null or len is 0"); 406 return -EINVAL; 407 } 408 409 reg_data = (int16_t *)data; 410 data_len = len >> 1; 411 412 if (data_len & 0x1) { 413 dev_err(aw_dev->dev, "data len:%d unsupported", data_len); 414 return -EINVAL; 415 } 416 417 for (i = 0; i < data_len; i += 2) { 418 reg_addr = reg_data[i]; 419 reg_val = reg_data[i + 1]; 420 421 if (reg_addr == AW88261_SYSCTRL_REG) { 422 aw88261->amppd_st = reg_val & (~AW88261_AMPPD_MASK); 423 ret = regmap_read(aw_dev->regmap, reg_addr, &read_val); 424 if (ret) 425 break; 426 427 read_val &= (~AW88261_AMPPD_MASK) | (~AW88261_PWDN_MASK) | 428 (~AW88261_HMUTE_MASK); 429 reg_val &= (AW88261_AMPPD_MASK | AW88261_PWDN_MASK | AW88261_HMUTE_MASK); 430 reg_val |= read_val; 431 432 /* enable uls hmute */ 433 reg_val &= AW88261_ULS_HMUTE_MASK; 434 reg_val |= AW88261_ULS_HMUTE_ENABLE_VALUE; 435 } 436 437 if (reg_addr == AW88261_DBGCTRL_REG) { 438 efcheck_val = reg_val & (~AW88261_EF_DBMD_MASK); 439 if (efcheck_val == AW88261_OR_VALUE) 440 aw88261->efuse_check = AW88261_EF_OR_CHECK; 441 else 442 aw88261->efuse_check = AW88261_EF_AND_CHECK; 443 } 444 445 /* i2stxen */ 446 if (reg_addr == AW88261_I2SCTRL3_REG) { 447 /* close tx */ 448 reg_val &= AW88261_I2STXEN_MASK; 449 reg_val |= AW88261_I2STXEN_DISABLE_VALUE; 450 } 451 452 if (reg_addr == AW88261_SYSCTRL2_REG) { 453 read_vol = (reg_val & (~AW88261_VOL_MASK)) >> 454 AW88261_VOL_START_BIT; 455 aw_dev->volume_desc.init_volume = 456 REG_VAL_TO_DB(read_vol); 457 } 458 459 if (reg_addr == AW88261_VSNTM1_REG) 460 continue; 461 462 ret = regmap_write(aw_dev->regmap, reg_addr, reg_val); 463 if (ret) 464 break; 465 } 466 467 ret = aw88261_dev_set_vcalb(aw_dev); 468 if (ret) 469 return ret; 470 471 if (aw_dev->prof_cur != aw_dev->prof_index) 472 vol_desc->ctl_volume = 0; 473 474 /* keep min volume */ 475 aw88261_dev_set_volume(aw_dev, vol_desc->mute_volume); 476 477 return ret; 478} 479 480static char *aw88261_dev_get_prof_name(struct aw_device *aw_dev, int index) 481{ 482 struct aw_prof_info *prof_info = &aw_dev->prof_info; 483 struct aw_prof_desc *prof_desc; 484 485 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 486 dev_err(aw_dev->dev, "index[%d] overflow count[%d]", 487 index, aw_dev->prof_info.count); 488 return NULL; 489 } 490 491 prof_desc = &aw_dev->prof_info.prof_desc[index]; 492 493 return prof_info->prof_name_list[prof_desc->id]; 494} 495 496static int aw88261_dev_get_prof_data(struct aw_device *aw_dev, int index, 497 struct aw_prof_desc **prof_desc) 498{ 499 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 500 dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n", 501 __func__, index, aw_dev->prof_info.count); 502 return -EINVAL; 503 } 504 505 *prof_desc = &aw_dev->prof_info.prof_desc[index]; 506 507 return 0; 508} 509 510static int aw88261_dev_fw_update(struct aw88261 *aw88261) 511{ 512 struct aw_device *aw_dev = aw88261->aw_pa; 513 struct aw_prof_desc *prof_index_desc; 514 struct aw_sec_data_desc *sec_desc; 515 char *prof_name; 516 int ret; 517 518 prof_name = aw88261_dev_get_prof_name(aw_dev, aw_dev->prof_index); 519 if (!prof_name) { 520 dev_err(aw_dev->dev, "get prof name failed"); 521 return -EINVAL; 522 } 523 524 dev_dbg(aw_dev->dev, "start update %s", prof_name); 525 526 ret = aw88261_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc); 527 if (ret) 528 return ret; 529 530 /* update reg */ 531 sec_desc = prof_index_desc->sec_desc; 532 ret = aw88261_dev_reg_update(aw88261, sec_desc[AW88395_DATA_TYPE_REG].data, 533 sec_desc[AW88395_DATA_TYPE_REG].len); 534 if (ret) { 535 dev_err(aw_dev->dev, "update reg failed"); 536 return ret; 537 } 538 539 aw_dev->prof_cur = aw_dev->prof_index; 540 541 return ret; 542} 543 544static int aw88261_dev_start(struct aw88261 *aw88261) 545{ 546 struct aw_device *aw_dev = aw88261->aw_pa; 547 int ret; 548 549 if (aw_dev->status == AW88261_DEV_PW_ON) { 550 dev_info(aw_dev->dev, "already power on"); 551 return 0; 552 } 553 554 /* power on */ 555 aw88261_dev_pwd(aw_dev, false); 556 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 557 558 ret = aw88261_dev_check_syspll(aw_dev); 559 if (ret) { 560 dev_err(aw_dev->dev, "pll check failed cannot start"); 561 goto pll_check_fail; 562 } 563 564 /* amppd on */ 565 aw88261_dev_amppd(aw_dev, false); 566 usleep_range(AW88261_1000_US, AW88261_1000_US + 50); 567 568 /* check i2s status */ 569 ret = aw88261_dev_check_sysst(aw_dev); 570 if (ret) { 571 dev_err(aw_dev->dev, "sysst check failed"); 572 goto sysst_check_fail; 573 } 574 575 /* enable tx feedback */ 576 aw88261_dev_i2s_tx_enable(aw_dev, true); 577 578 if (aw88261->amppd_st) 579 aw88261_dev_amppd(aw_dev, true); 580 581 aw88261_reg_force_set(aw88261); 582 583 /* close uls mute */ 584 aw88261_dev_uls_hmute(aw_dev, false); 585 586 /* close mute */ 587 if (!aw88261->mute_st) 588 aw88261_dev_mute(aw_dev, false); 589 590 /* clear inturrupt */ 591 aw88261_dev_clear_int_status(aw_dev); 592 aw_dev->status = AW88261_DEV_PW_ON; 593 594 return 0; 595 596sysst_check_fail: 597 aw88261_dev_i2s_tx_enable(aw_dev, false); 598 aw88261_dev_clear_int_status(aw_dev); 599 aw88261_dev_amppd(aw_dev, true); 600pll_check_fail: 601 aw88261_dev_pwd(aw_dev, true); 602 aw_dev->status = AW88261_DEV_PW_OFF; 603 604 return ret; 605} 606 607static int aw88261_dev_stop(struct aw_device *aw_dev) 608{ 609 if (aw_dev->status == AW88261_DEV_PW_OFF) { 610 dev_info(aw_dev->dev, "already power off"); 611 return 0; 612 } 613 614 aw_dev->status = AW88261_DEV_PW_OFF; 615 616 /* clear inturrupt */ 617 aw88261_dev_clear_int_status(aw_dev); 618 619 aw88261_dev_uls_hmute(aw_dev, true); 620 /* set mute */ 621 aw88261_dev_mute(aw_dev, true); 622 623 /* close tx feedback */ 624 aw88261_dev_i2s_tx_enable(aw_dev, false); 625 usleep_range(AW88261_1000_US, AW88261_1000_US + 100); 626 627 /* enable amppd */ 628 aw88261_dev_amppd(aw_dev, true); 629 630 /* set power down */ 631 aw88261_dev_pwd(aw_dev, true); 632 633 return 0; 634} 635 636static int aw88261_reg_update(struct aw88261 *aw88261, bool force) 637{ 638 struct aw_device *aw_dev = aw88261->aw_pa; 639 int ret; 640 641 if (force) { 642 ret = regmap_write(aw_dev->regmap, 643 AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); 644 if (ret) 645 return ret; 646 647 ret = aw88261_dev_fw_update(aw88261); 648 if (ret) 649 return ret; 650 } else { 651 if (aw_dev->prof_cur != aw_dev->prof_index) { 652 ret = aw88261_dev_fw_update(aw88261); 653 if (ret) 654 return ret; 655 } else { 656 ret = 0; 657 } 658 } 659 660 aw_dev->prof_cur = aw_dev->prof_index; 661 662 return ret; 663} 664 665static void aw88261_start_pa(struct aw88261 *aw88261) 666{ 667 int ret, i; 668 669 for (i = 0; i < AW88261_START_RETRIES; i++) { 670 ret = aw88261_reg_update(aw88261, aw88261->phase_sync); 671 if (ret) { 672 dev_err(aw88261->aw_pa->dev, "fw update failed, cnt:%d\n", i); 673 continue; 674 } 675 ret = aw88261_dev_start(aw88261); 676 if (ret) { 677 dev_err(aw88261->aw_pa->dev, "aw88261 device start failed. retry = %d", i); 678 continue; 679 } else { 680 dev_info(aw88261->aw_pa->dev, "start success\n"); 681 break; 682 } 683 } 684} 685 686static void aw88261_startup_work(struct work_struct *work) 687{ 688 struct aw88261 *aw88261 = 689 container_of(work, struct aw88261, start_work.work); 690 691 mutex_lock(&aw88261->lock); 692 aw88261_start_pa(aw88261); 693 mutex_unlock(&aw88261->lock); 694} 695 696static void aw88261_start(struct aw88261 *aw88261, bool sync_start) 697{ 698 if (aw88261->aw_pa->fw_status != AW88261_DEV_FW_OK) 699 return; 700 701 if (aw88261->aw_pa->status == AW88261_DEV_PW_ON) 702 return; 703 704 if (sync_start == AW88261_SYNC_START) 705 aw88261_start_pa(aw88261); 706 else 707 queue_delayed_work(system_wq, 708 &aw88261->start_work, 709 AW88261_START_WORK_DELAY_MS); 710} 711 712static struct snd_soc_dai_driver aw88261_dai[] = { 713 { 714 .name = "aw88261-aif", 715 .id = 1, 716 .playback = { 717 .stream_name = "Speaker_Playback", 718 .channels_min = 1, 719 .channels_max = 2, 720 .rates = AW88261_RATES, 721 .formats = AW88261_FORMATS, 722 }, 723 .capture = { 724 .stream_name = "Speaker_Capture", 725 .channels_min = 1, 726 .channels_max = 2, 727 .rates = AW88261_RATES, 728 .formats = AW88261_FORMATS, 729 }, 730 }, 731}; 732 733static int aw88261_get_fade_in_time(struct snd_kcontrol *kcontrol, 734 struct snd_ctl_elem_value *ucontrol) 735{ 736 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 737 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 738 struct aw_device *aw_dev = aw88261->aw_pa; 739 740 ucontrol->value.integer.value[0] = aw_dev->fade_in_time; 741 742 return 0; 743} 744 745static int aw88261_set_fade_in_time(struct snd_kcontrol *kcontrol, 746 struct snd_ctl_elem_value *ucontrol) 747{ 748 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 749 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 750 struct soc_mixer_control *mc = 751 (struct soc_mixer_control *)kcontrol->private_value; 752 struct aw_device *aw_dev = aw88261->aw_pa; 753 int time; 754 755 time = ucontrol->value.integer.value[0]; 756 757 if (time < mc->min || time > mc->max) 758 return -EINVAL; 759 760 if (time != aw_dev->fade_in_time) { 761 aw_dev->fade_in_time = time; 762 return 1; 763 } 764 765 return 0; 766} 767 768static int aw88261_get_fade_out_time(struct snd_kcontrol *kcontrol, 769 struct snd_ctl_elem_value *ucontrol) 770{ 771 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 772 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 773 struct aw_device *aw_dev = aw88261->aw_pa; 774 775 ucontrol->value.integer.value[0] = aw_dev->fade_out_time; 776 777 return 0; 778} 779 780static int aw88261_set_fade_out_time(struct snd_kcontrol *kcontrol, 781 struct snd_ctl_elem_value *ucontrol) 782{ 783 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 784 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 785 struct soc_mixer_control *mc = 786 (struct soc_mixer_control *)kcontrol->private_value; 787 struct aw_device *aw_dev = aw88261->aw_pa; 788 int time; 789 790 time = ucontrol->value.integer.value[0]; 791 if (time < mc->min || time > mc->max) 792 return -EINVAL; 793 794 if (time != aw_dev->fade_out_time) { 795 aw_dev->fade_out_time = time; 796 return 1; 797 } 798 799 return 0; 800} 801 802static int aw88261_dev_set_profile_index(struct aw_device *aw_dev, int index) 803{ 804 /* check the index whether is valid */ 805 if ((index >= aw_dev->prof_info.count) || (index < 0)) 806 return -EINVAL; 807 /* check the index whether change */ 808 if (aw_dev->prof_index == index) 809 return -EPERM; 810 811 aw_dev->prof_index = index; 812 813 return 0; 814} 815 816static int aw88261_profile_info(struct snd_kcontrol *kcontrol, 817 struct snd_ctl_elem_info *uinfo) 818{ 819 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 820 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 821 const char *prof_name; 822 char *name; 823 int count; 824 825 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 826 uinfo->count = 1; 827 828 count = aw88261->aw_pa->prof_info.count; 829 if (count <= 0) { 830 uinfo->value.enumerated.items = 0; 831 return 0; 832 } 833 834 uinfo->value.enumerated.items = count; 835 836 if (uinfo->value.enumerated.item >= count) 837 uinfo->value.enumerated.item = count - 1; 838 839 name = uinfo->value.enumerated.name; 840 count = uinfo->value.enumerated.item; 841 842 prof_name = aw88261_dev_get_prof_name(aw88261->aw_pa, count); 843 if (!prof_name) { 844 strscpy(uinfo->value.enumerated.name, "null", 845 strlen("null") + 1); 846 return 0; 847 } 848 849 strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name)); 850 851 return 0; 852} 853 854static int aw88261_profile_get(struct snd_kcontrol *kcontrol, 855 struct snd_ctl_elem_value *ucontrol) 856{ 857 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 858 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 859 860 ucontrol->value.integer.value[0] = aw88261->aw_pa->prof_index; 861 862 return 0; 863} 864 865static int aw88261_profile_set(struct snd_kcontrol *kcontrol, 866 struct snd_ctl_elem_value *ucontrol) 867{ 868 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 869 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 870 int ret; 871 872 /* pa stop or stopping just set profile */ 873 mutex_lock(&aw88261->lock); 874 ret = aw88261_dev_set_profile_index(aw88261->aw_pa, ucontrol->value.integer.value[0]); 875 if (ret) { 876 dev_dbg(codec->dev, "profile index does not change"); 877 mutex_unlock(&aw88261->lock); 878 return 0; 879 } 880 881 if (aw88261->aw_pa->status) { 882 aw88261_dev_stop(aw88261->aw_pa); 883 aw88261_start(aw88261, AW88261_SYNC_START); 884 } 885 886 mutex_unlock(&aw88261->lock); 887 888 return 1; 889} 890 891static int aw88261_volume_get(struct snd_kcontrol *kcontrol, 892 struct snd_ctl_elem_value *ucontrol) 893{ 894 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 895 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 896 struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; 897 898 ucontrol->value.integer.value[0] = vol_desc->ctl_volume; 899 900 return 0; 901} 902 903static int aw88261_volume_set(struct snd_kcontrol *kcontrol, 904 struct snd_ctl_elem_value *ucontrol) 905{ 906 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 907 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 908 struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; 909 struct soc_mixer_control *mc = 910 (struct soc_mixer_control *)kcontrol->private_value; 911 int value; 912 913 value = ucontrol->value.integer.value[0]; 914 915 if (value < mc->min || value > mc->max) 916 return -EINVAL; 917 918 if (vol_desc->ctl_volume != value) { 919 vol_desc->ctl_volume = value; 920 aw88261_dev_set_volume(aw88261->aw_pa, vol_desc->ctl_volume); 921 922 return 1; 923 } 924 925 return 0; 926} 927 928static int aw88261_get_fade_step(struct snd_kcontrol *kcontrol, 929 struct snd_ctl_elem_value *ucontrol) 930{ 931 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 932 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 933 934 ucontrol->value.integer.value[0] = aw88261->aw_pa->fade_step; 935 936 return 0; 937} 938 939static int aw88261_set_fade_step(struct snd_kcontrol *kcontrol, 940 struct snd_ctl_elem_value *ucontrol) 941{ 942 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 943 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 944 struct soc_mixer_control *mc = 945 (struct soc_mixer_control *)kcontrol->private_value; 946 int value; 947 948 value = ucontrol->value.integer.value[0]; 949 if (value < mc->min || value > mc->max) 950 return -EINVAL; 951 952 if (aw88261->aw_pa->fade_step != value) { 953 aw88261->aw_pa->fade_step = value; 954 return 1; 955 } 956 957 return 0; 958} 959 960static const struct snd_kcontrol_new aw88261_controls[] = { 961 SOC_SINGLE_EXT("PCM Playback Volume", AW88261_SYSCTRL2_REG, 962 6, AW88261_MUTE_VOL, 0, aw88261_volume_get, 963 aw88261_volume_set), 964 SOC_SINGLE_EXT("Fade Step", 0, 0, AW88261_MUTE_VOL, 0, 965 aw88261_get_fade_step, aw88261_set_fade_step), 966 SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, 967 aw88261_get_fade_in_time, aw88261_set_fade_in_time), 968 SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, 969 aw88261_get_fade_out_time, aw88261_set_fade_out_time), 970 AW88261_PROFILE_EXT("Profile Set", aw88261_profile_info, 971 aw88261_profile_get, aw88261_profile_set), 972}; 973 974static int aw88261_playback_event(struct snd_soc_dapm_widget *w, 975 struct snd_kcontrol *k, int event) 976{ 977 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 978 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 979 980 mutex_lock(&aw88261->lock); 981 switch (event) { 982 case SND_SOC_DAPM_PRE_PMU: 983 aw88261_start(aw88261, AW88261_ASYNC_START); 984 break; 985 case SND_SOC_DAPM_POST_PMD: 986 aw88261_dev_stop(aw88261->aw_pa); 987 break; 988 default: 989 break; 990 } 991 mutex_unlock(&aw88261->lock); 992 993 return 0; 994} 995 996static const struct snd_soc_dapm_widget aw88261_dapm_widgets[] = { 997 /* playback */ 998 SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0, 999 aw88261_playback_event, 1000 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1001 SND_SOC_DAPM_OUTPUT("DAC Output"), 1002 1003 /* capture */ 1004 SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0), 1005 SND_SOC_DAPM_INPUT("ADC Input"), 1006}; 1007 1008static const struct snd_soc_dapm_route aw88261_audio_map[] = { 1009 {"DAC Output", NULL, "AIF_RX"}, 1010 {"AIF_TX", NULL, "ADC Input"}, 1011}; 1012 1013static int aw88261_frcset_check(struct aw88261 *aw88261) 1014{ 1015 unsigned int reg_val; 1016 u16 temh, teml, tem; 1017 int ret; 1018 1019 ret = regmap_read(aw88261->regmap, AW88261_EFRH3_REG, ®_val); 1020 if (ret) 1021 return ret; 1022 temh = ((u16)reg_val & (~AW88261_TEMH_MASK)); 1023 1024 ret = regmap_read(aw88261->regmap, AW88261_EFRL3_REG, ®_val); 1025 if (ret) 1026 return ret; 1027 teml = ((u16)reg_val & (~AW88261_TEML_MASK)); 1028 1029 if (aw88261->efuse_check == AW88261_EF_OR_CHECK) 1030 tem = (temh | teml); 1031 else 1032 tem = (temh & teml); 1033 1034 if (tem == AW88261_DEFAULT_CFG) 1035 aw88261->frcset_en = AW88261_FRCSET_ENABLE; 1036 else 1037 aw88261->frcset_en = AW88261_FRCSET_DISABLE; 1038 1039 dev_dbg(aw88261->aw_pa->dev, "tem is 0x%04x, frcset_en is %d", 1040 tem, aw88261->frcset_en); 1041 1042 return ret; 1043} 1044 1045static int aw88261_dev_init(struct aw88261 *aw88261, struct aw_container *aw_cfg) 1046{ 1047 struct aw_device *aw_dev = aw88261->aw_pa; 1048 int ret; 1049 1050 ret = aw88395_dev_cfg_load(aw_dev, aw_cfg); 1051 if (ret) { 1052 dev_err(aw_dev->dev, "aw_dev acf parse failed"); 1053 return -EINVAL; 1054 } 1055 1056 ret = regmap_write(aw_dev->regmap, AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); 1057 if (ret) 1058 return ret; 1059 1060 aw_dev->fade_in_time = AW88261_500_US; 1061 aw_dev->fade_out_time = AW88261_500_US; 1062 aw_dev->prof_cur = AW88261_INIT_PROFILE; 1063 aw_dev->prof_index = AW88261_INIT_PROFILE; 1064 1065 ret = aw88261_dev_fw_update(aw88261); 1066 if (ret) { 1067 dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret); 1068 return ret; 1069 } 1070 1071 ret = aw88261_frcset_check(aw88261); 1072 if (ret) { 1073 dev_err(aw_dev->dev, "aw88261_frcset_check ret = %d\n", ret); 1074 return ret; 1075 } 1076 1077 aw88261_dev_clear_int_status(aw_dev); 1078 1079 aw88261_dev_uls_hmute(aw_dev, true); 1080 1081 aw88261_dev_mute(aw_dev, true); 1082 1083 aw88261_dev_i2s_tx_enable(aw_dev, false); 1084 1085 usleep_range(AW88261_1000_US, AW88261_1000_US + 100); 1086 1087 aw88261_dev_amppd(aw_dev, true); 1088 1089 aw88261_dev_pwd(aw_dev, true); 1090 1091 return 0; 1092} 1093 1094static int aw88261_request_firmware_file(struct aw88261 *aw88261) 1095{ 1096 const struct firmware *cont = NULL; 1097 int ret; 1098 1099 aw88261->aw_pa->fw_status = AW88261_DEV_FW_FAILED; 1100 1101 ret = request_firmware(&cont, AW88261_ACF_FILE, aw88261->aw_pa->dev); 1102 if (ret) 1103 return dev_err_probe(aw88261->aw_pa->dev, ret, 1104 "load [%s] failed!", AW88261_ACF_FILE); 1105 1106 dev_info(aw88261->aw_pa->dev, "loaded %s - size: %zu\n", 1107 AW88261_ACF_FILE, cont ? cont->size : 0); 1108 1109 aw88261->aw_cfg = devm_kzalloc(aw88261->aw_pa->dev, cont->size + sizeof(int), GFP_KERNEL); 1110 if (!aw88261->aw_cfg) { 1111 release_firmware(cont); 1112 return -ENOMEM; 1113 } 1114 aw88261->aw_cfg->len = (int)cont->size; 1115 memcpy(aw88261->aw_cfg->data, cont->data, cont->size); 1116 release_firmware(cont); 1117 1118 ret = aw88395_dev_load_acf_check(aw88261->aw_pa, aw88261->aw_cfg); 1119 if (ret) { 1120 dev_err(aw88261->aw_pa->dev, "load [%s] failed !", AW88261_ACF_FILE); 1121 return ret; 1122 } 1123 1124 mutex_lock(&aw88261->lock); 1125 /* aw device init */ 1126 ret = aw88261_dev_init(aw88261, aw88261->aw_cfg); 1127 if (ret) 1128 dev_err(aw88261->aw_pa->dev, "dev init failed"); 1129 mutex_unlock(&aw88261->lock); 1130 1131 return ret; 1132} 1133 1134static int aw88261_codec_probe(struct snd_soc_component *component) 1135{ 1136 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 1137 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 1138 int ret; 1139 1140 INIT_DELAYED_WORK(&aw88261->start_work, aw88261_startup_work); 1141 1142 ret = aw88261_request_firmware_file(aw88261); 1143 if (ret) 1144 return dev_err_probe(aw88261->aw_pa->dev, ret, 1145 "aw88261_request_firmware_file failed\n"); 1146 1147 /* add widgets */ 1148 ret = snd_soc_dapm_new_controls(dapm, aw88261_dapm_widgets, 1149 ARRAY_SIZE(aw88261_dapm_widgets)); 1150 if (ret) 1151 return ret; 1152 1153 /* add route */ 1154 ret = snd_soc_dapm_add_routes(dapm, aw88261_audio_map, 1155 ARRAY_SIZE(aw88261_audio_map)); 1156 if (ret) 1157 return ret; 1158 1159 ret = snd_soc_add_component_controls(component, aw88261_controls, 1160 ARRAY_SIZE(aw88261_controls)); 1161 1162 return ret; 1163} 1164 1165static void aw88261_codec_remove(struct snd_soc_component *aw_codec) 1166{ 1167 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(aw_codec); 1168 1169 cancel_delayed_work_sync(&aw88261->start_work); 1170} 1171 1172static const struct snd_soc_component_driver soc_codec_dev_aw88261 = { 1173 .probe = aw88261_codec_probe, 1174 .remove = aw88261_codec_remove, 1175}; 1176 1177static void aw88261_hw_reset(struct aw88261 *aw88261) 1178{ 1179 gpiod_set_value_cansleep(aw88261->reset_gpio, 0); 1180 usleep_range(AW88261_1000_US, AW88261_1000_US + 10); 1181 gpiod_set_value_cansleep(aw88261->reset_gpio, 1); 1182 usleep_range(AW88261_1000_US, AW88261_1000_US + 10); 1183} 1184 1185static void aw88261_parse_channel_dt(struct aw88261 *aw88261) 1186{ 1187 struct aw_device *aw_dev = aw88261->aw_pa; 1188 struct device_node *np = aw_dev->dev->of_node; 1189 u32 channel_value = AW88261_DEV_DEFAULT_CH; 1190 u32 sync_enable = false; 1191 1192 of_property_read_u32(np, "sound-channel", &channel_value); 1193 of_property_read_u32(np, "sync-flag", &sync_enable); 1194 1195 aw_dev->channel = channel_value; 1196 aw88261->phase_sync = sync_enable; 1197} 1198 1199static int aw88261_init(struct aw88261 **aw88261, struct i2c_client *i2c, struct regmap *regmap) 1200{ 1201 struct aw_device *aw_dev; 1202 unsigned int chip_id; 1203 int ret; 1204 1205 /* read chip id */ 1206 ret = regmap_read(regmap, AW88261_ID_REG, &chip_id); 1207 if (ret) { 1208 dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); 1209 return ret; 1210 } 1211 if (chip_id != AW88261_CHIP_ID) { 1212 dev_err(&i2c->dev, "unsupported device"); 1213 return -ENXIO; 1214 } 1215 1216 dev_info(&i2c->dev, "chip id = %x\n", chip_id); 1217 1218 aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); 1219 if (!aw_dev) 1220 return -ENOMEM; 1221 1222 (*aw88261)->aw_pa = aw_dev; 1223 aw_dev->i2c = i2c; 1224 aw_dev->regmap = regmap; 1225 aw_dev->dev = &i2c->dev; 1226 aw_dev->chip_id = AW88261_CHIP_ID; 1227 aw_dev->acf = NULL; 1228 aw_dev->prof_info.prof_desc = NULL; 1229 aw_dev->prof_info.count = 0; 1230 aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; 1231 aw_dev->channel = 0; 1232 aw_dev->fw_status = AW88261_DEV_FW_FAILED; 1233 aw_dev->fade_step = AW88261_VOLUME_STEP_DB; 1234 aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE; 1235 aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL; 1236 aw88261_parse_channel_dt(*aw88261); 1237 1238 return ret; 1239} 1240 1241static int aw88261_i2c_probe(struct i2c_client *i2c) 1242{ 1243 struct aw88261 *aw88261; 1244 int ret; 1245 1246 ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); 1247 if (!ret) 1248 return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); 1249 1250 aw88261 = devm_kzalloc(&i2c->dev, sizeof(*aw88261), GFP_KERNEL); 1251 if (!aw88261) 1252 return -ENOMEM; 1253 1254 mutex_init(&aw88261->lock); 1255 1256 i2c_set_clientdata(i2c, aw88261); 1257 1258 aw88261->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW); 1259 if (IS_ERR(aw88261->reset_gpio)) 1260 dev_info(&i2c->dev, "reset gpio not defined\n"); 1261 else 1262 aw88261_hw_reset(aw88261); 1263 1264 aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); 1265 if (IS_ERR(aw88261->regmap)) { 1266 ret = PTR_ERR(aw88261->regmap); 1267 return dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); 1268 } 1269 1270 /* aw pa init */ 1271 ret = aw88261_init(&aw88261, i2c, aw88261->regmap); 1272 if (ret) 1273 return ret; 1274 1275 ret = devm_snd_soc_register_component(&i2c->dev, 1276 &soc_codec_dev_aw88261, 1277 aw88261_dai, ARRAY_SIZE(aw88261_dai)); 1278 if (ret) 1279 dev_err(&i2c->dev, "failed to register aw88261: %d", ret); 1280 1281 return ret; 1282} 1283 1284static const struct i2c_device_id aw88261_i2c_id[] = { 1285 { AW88261_I2C_NAME, 0 }, 1286 { } 1287}; 1288MODULE_DEVICE_TABLE(i2c, aw88261_i2c_id); 1289 1290static struct i2c_driver aw88261_i2c_driver = { 1291 .driver = { 1292 .name = AW88261_I2C_NAME, 1293 }, 1294 .probe = aw88261_i2c_probe, 1295 .id_table = aw88261_i2c_id, 1296}; 1297module_i2c_driver(aw88261_i2c_driver); 1298 1299MODULE_DESCRIPTION("ASoC AW88261 Smart PA Driver"); 1300MODULE_LICENSE("GPL v2"); 1301