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aw88261.c
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linux-6.19.14/sound/soc/codecs/aw88261.c
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/regmap.h> 14#include <sound/soc.h> 15#include "aw88261.h" 16#include "aw88395/aw88395_data_type.h" 17#include "aw88395/aw88395_device.h" 18 19static const struct regmap_config aw88261_remap_config = { 20 .val_bits = 16, 21 .reg_bits = 8, 22 .max_register = AW88261_REG_MAX, 23 .reg_format_endian = REGMAP_ENDIAN_LITTLE, 24 .val_format_endian = REGMAP_ENDIAN_BIG, 25}; 26 27static void aw88261_dev_set_volume(struct aw_device *aw_dev, unsigned int value) 28{ 29 struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; 30 unsigned int real_value, volume; 31 unsigned int reg_value; 32 33 volume = min((value + vol_desc->init_volume), (unsigned int)AW88261_MUTE_VOL); 34 real_value = DB_TO_REG_VAL(volume); 35 36 regmap_read(aw_dev->regmap, AW88261_SYSCTRL2_REG, ®_value); 37 38 real_value = (real_value | (reg_value & AW88261_VOL_START_MASK)); 39 40 dev_dbg(aw_dev->dev, "value 0x%x , real_value:0x%x", value, real_value); 41 42 regmap_write(aw_dev->regmap, AW88261_SYSCTRL2_REG, real_value); 43} 44 45static void aw88261_dev_fade_in(struct aw_device *aw_dev) 46{ 47 struct aw_volume_desc *desc = &aw_dev->volume_desc; 48 int fade_in_vol = desc->ctl_volume; 49 int fade_step = aw_dev->fade_step; 50 int i; 51 52 if (fade_step == 0 || aw_dev->fade_in_time == 0) { 53 aw88261_dev_set_volume(aw_dev, fade_in_vol); 54 return; 55 } 56 57 for (i = AW88261_MUTE_VOL; i >= fade_in_vol; i -= fade_step) { 58 aw88261_dev_set_volume(aw_dev, i); 59 usleep_range(aw_dev->fade_in_time, 60 aw_dev->fade_in_time + 10); 61 } 62 63 if (i != fade_in_vol) 64 aw88261_dev_set_volume(aw_dev, fade_in_vol); 65} 66 67static void aw88261_dev_fade_out(struct aw_device *aw_dev) 68{ 69 struct aw_volume_desc *desc = &aw_dev->volume_desc; 70 int fade_step = aw_dev->fade_step; 71 int i; 72 73 if (fade_step == 0 || aw_dev->fade_out_time == 0) { 74 aw88261_dev_set_volume(aw_dev, AW88261_MUTE_VOL); 75 return; 76 } 77 78 for (i = desc->ctl_volume; i <= AW88261_MUTE_VOL; i += fade_step) { 79 aw88261_dev_set_volume(aw_dev, i); 80 usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); 81 } 82 83 if (i != AW88261_MUTE_VOL) { 84 aw88261_dev_set_volume(aw_dev, AW88261_MUTE_VOL); 85 usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); 86 } 87} 88 89static void aw88261_dev_i2s_tx_enable(struct aw_device *aw_dev, bool flag) 90{ 91 if (flag) 92 regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG, 93 ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_ENABLE_VALUE); 94 else 95 regmap_update_bits(aw_dev->regmap, AW88261_I2SCFG1_REG, 96 ~AW88261_I2STXEN_MASK, AW88261_I2STXEN_DISABLE_VALUE); 97} 98 99static void aw88261_dev_pwd(struct aw_device *aw_dev, bool pwd) 100{ 101 if (pwd) 102 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 103 ~AW88261_PWDN_MASK, AW88261_PWDN_POWER_DOWN_VALUE); 104 else 105 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 106 ~AW88261_PWDN_MASK, AW88261_PWDN_WORKING_VALUE); 107} 108 109static void aw88261_dev_amppd(struct aw_device *aw_dev, bool amppd) 110{ 111 if (amppd) 112 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 113 ~AW88261_AMPPD_MASK, AW88261_AMPPD_POWER_DOWN_VALUE); 114 else 115 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 116 ~AW88261_AMPPD_MASK, AW88261_AMPPD_WORKING_VALUE); 117} 118 119static void aw88261_dev_mute(struct aw_device *aw_dev, bool is_mute) 120{ 121 if (is_mute) { 122 aw88261_dev_fade_out(aw_dev); 123 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 124 ~AW88261_HMUTE_MASK, AW88261_HMUTE_ENABLE_VALUE); 125 } else { 126 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 127 ~AW88261_HMUTE_MASK, AW88261_HMUTE_DISABLE_VALUE); 128 aw88261_dev_fade_in(aw_dev); 129 } 130} 131 132static void aw88261_dev_clear_int_status(struct aw_device *aw_dev) 133{ 134 unsigned int int_status; 135 136 /* read int status and clear */ 137 regmap_read(aw_dev->regmap, AW88261_SYSINT_REG, &int_status); 138 /* make sure int status is clear */ 139 regmap_read(aw_dev->regmap, AW88261_SYSINT_REG, &int_status); 140 141 dev_dbg(aw_dev->dev, "read interrupt reg = 0x%04x", int_status); 142} 143 144static int aw88261_dev_get_iis_status(struct aw_device *aw_dev) 145{ 146 unsigned int reg_val; 147 int ret; 148 149 ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val); 150 if (ret) 151 return ret; 152 if ((reg_val & AW88261_BIT_PLL_CHECK) != AW88261_BIT_PLL_CHECK) { 153 dev_err(aw_dev->dev, "check pll lock fail,reg_val:0x%04x", reg_val); 154 return -EINVAL; 155 } 156 157 return ret; 158} 159 160static int aw88261_dev_check_mode1_pll(struct aw_device *aw_dev) 161{ 162 int ret, i; 163 164 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 165 ret = aw88261_dev_get_iis_status(aw_dev); 166 if (ret) { 167 dev_err(aw_dev->dev, "mode1 iis signal check error"); 168 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 169 } else { 170 return ret; 171 } 172 } 173 174 return -EPERM; 175} 176 177static int aw88261_dev_check_mode2_pll(struct aw_device *aw_dev) 178{ 179 unsigned int reg_val; 180 int ret, i; 181 182 ret = regmap_read(aw_dev->regmap, AW88261_PLLCTRL1_REG, ®_val); 183 if (ret) 184 return ret; 185 186 reg_val &= (~AW88261_CCO_MUX_MASK); 187 if (reg_val == AW88261_CCO_MUX_DIVIDED_VALUE) { 188 dev_dbg(aw_dev->dev, "CCO_MUX is already divider"); 189 return -EPERM; 190 } 191 192 /* change mode2 */ 193 ret = regmap_update_bits(aw_dev->regmap, AW88261_PLLCTRL1_REG, 194 ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_DIVIDED_VALUE); 195 if (ret) 196 return ret; 197 198 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 199 ret = aw88261_dev_get_iis_status(aw_dev); 200 if (ret) { 201 dev_err(aw_dev->dev, "mode2 iis signal check error"); 202 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 203 } else { 204 break; 205 } 206 } 207 208 /* change mode1 */ 209 ret = regmap_update_bits(aw_dev->regmap, AW88261_PLLCTRL1_REG, 210 ~AW88261_CCO_MUX_MASK, AW88261_CCO_MUX_BYPASS_VALUE); 211 if (ret == 0) { 212 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 213 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 214 ret = aw88261_dev_check_mode1_pll(aw_dev); 215 if (ret) { 216 dev_err(aw_dev->dev, "mode2 switch to mode1, iis signal check error"); 217 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 218 } else { 219 break; 220 } 221 } 222 } 223 224 return ret; 225} 226 227static int aw88261_dev_check_syspll(struct aw_device *aw_dev) 228{ 229 int ret; 230 231 ret = aw88261_dev_check_mode1_pll(aw_dev); 232 if (ret) { 233 dev_dbg(aw_dev->dev, "mode1 check iis failed try switch to mode2 check"); 234 ret = aw88261_dev_check_mode2_pll(aw_dev); 235 if (ret) { 236 dev_err(aw_dev->dev, "mode2 check iis failed"); 237 return ret; 238 } 239 } 240 241 return ret; 242} 243 244static int aw88261_dev_check_sysst(struct aw_device *aw_dev) 245{ 246 unsigned int check_val; 247 unsigned int reg_val; 248 int ret, i; 249 250 for (i = 0; i < AW88261_DEV_SYSST_CHECK_MAX; i++) { 251 ret = regmap_read(aw_dev->regmap, AW88261_SYSST_REG, ®_val); 252 if (ret) 253 return ret; 254 255 check_val = reg_val & (~AW88261_BIT_SYSST_CHECK_MASK) 256 & AW88261_BIT_SYSST_CHECK; 257 if (check_val != AW88261_BIT_SYSST_CHECK) { 258 dev_err(aw_dev->dev, "check sysst fail, reg_val=0x%04x, check:0x%x", 259 reg_val, AW88261_BIT_SYSST_CHECK); 260 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 261 } else { 262 return 0; 263 } 264 } 265 266 return -EPERM; 267} 268 269static void aw88261_dev_uls_hmute(struct aw_device *aw_dev, bool uls_hmute) 270{ 271 if (uls_hmute) 272 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 273 ~AW88261_ULS_HMUTE_MASK, 274 AW88261_ULS_HMUTE_ENABLE_VALUE); 275 else 276 regmap_update_bits(aw_dev->regmap, AW88261_SYSCTRL_REG, 277 ~AW88261_ULS_HMUTE_MASK, 278 AW88261_ULS_HMUTE_DISABLE_VALUE); 279} 280 281static void aw88261_reg_force_set(struct aw88261 *aw88261) 282{ 283 if (aw88261->frcset_en == AW88261_FRCSET_ENABLE) { 284 /* set FORCE_PWM */ 285 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL3_REG, 286 AW88261_FORCE_PWM_MASK, AW88261_FORCE_PWM_FORCEMINUS_PWM_VALUE); 287 /* set BOOST_OS_WIDTH */ 288 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL5_REG, 289 AW88261_BST_OS_WIDTH_MASK, AW88261_BST_OS_WIDTH_50NS_VALUE); 290 /* set BURST_LOOPR */ 291 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL6_REG, 292 AW88261_BST_LOOPR_MASK, AW88261_BST_LOOPR_340K_VALUE); 293 /* set RSQN_DLY */ 294 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL7_REG, 295 AW88261_RSQN_DLY_MASK, AW88261_RSQN_DLY_35NS_VALUE); 296 /* set BURST_SSMODE */ 297 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL8_REG, 298 AW88261_BURST_SSMODE_MASK, AW88261_BURST_SSMODE_FAST_VALUE); 299 /* set BST_BURST */ 300 regmap_update_bits(aw88261->regmap, AW88261_BSTCTRL9_REG, 301 AW88261_BST_BURST_MASK, AW88261_BST_BURST_30MA_VALUE); 302 } else { 303 dev_dbg(aw88261->aw_pa->dev, "needn't set reg value"); 304 } 305} 306 307static int aw88261_dev_get_icalk(struct aw_device *aw_dev, int16_t *icalk) 308{ 309 u16 reg_icalk, reg_icalkl; 310 unsigned int reg_val; 311 int ret; 312 313 ret = regmap_read(aw_dev->regmap, AW88261_EFRH4_REG, ®_val); 314 if (ret) 315 return ret; 316 317 reg_icalk = reg_val & (~AW88261_EF_ISN_GESLP_H_MASK); 318 319 ret = regmap_read(aw_dev->regmap, AW88261_EFRL4_REG, ®_val); 320 if (ret) 321 return ret; 322 323 reg_icalkl = reg_val & (~AW88261_EF_ISN_GESLP_L_MASK); 324 325 reg_icalk = (reg_icalk >> AW88261_ICALK_SHIFT) & (reg_icalkl >> AW88261_ICALKL_SHIFT); 326 327 if (reg_icalk & (~AW88261_EF_ISN_GESLP_SIGN_MASK)) 328 reg_icalk = reg_icalk | ~AW88261_EF_ISN_GESLP_NEG; 329 330 *icalk = (int16_t)reg_icalk; 331 332 return ret; 333} 334 335static int aw88261_dev_get_vcalk(struct aw_device *aw_dev, int16_t *vcalk) 336{ 337 u16 reg_vcalk, reg_vcalkl; 338 unsigned int reg_val; 339 int ret; 340 341 ret = regmap_read(aw_dev->regmap, AW88261_EFRH3_REG, ®_val); 342 if (ret) 343 return ret; 344 345 reg_vcalk = (u16)reg_val & (~AW88261_EF_VSN_GESLP_H_MASK); 346 347 ret = regmap_read(aw_dev->regmap, AW88261_EFRL3_REG, ®_val); 348 if (ret) 349 return ret; 350 351 reg_vcalkl = (u16)reg_val & (~AW88261_EF_VSN_GESLP_L_MASK); 352 353 reg_vcalk = (reg_vcalk >> AW88261_VCALK_SHIFT) & (reg_vcalkl >> AW88261_VCALKL_SHIFT); 354 355 if (reg_vcalk & AW88261_EF_VSN_GESLP_SIGN_MASK) 356 reg_vcalk = reg_vcalk | (~AW88261_EF_VSN_GESLP_NEG); 357 *vcalk = (int16_t)reg_vcalk; 358 359 return ret; 360} 361 362static int aw88261_dev_set_vcalb(struct aw_device *aw_dev) 363{ 364 int16_t icalk_val, vcalk_val; 365 int icalk, vcalk, vcalb; 366 u32 reg_val; 367 int ret; 368 369 ret = aw88261_dev_get_icalk(aw_dev, &icalk_val); 370 if (ret) 371 return ret; 372 373 ret = aw88261_dev_get_vcalk(aw_dev, &vcalk_val); 374 if (ret) 375 return ret; 376 377 icalk = AW88261_CABL_BASE_VALUE + AW88261_ICABLK_FACTOR * icalk_val; 378 vcalk = AW88261_CABL_BASE_VALUE + AW88261_VCABLK_FACTOR * vcalk_val; 379 if (!vcalk) 380 return -EINVAL; 381 382 vcalb = AW88261_VCAL_FACTOR * icalk / vcalk; 383 reg_val = (unsigned int)vcalb; 384 385 dev_dbg(aw_dev->dev, "icalk=%d, vcalk=%d, vcalb=%d, reg_val=0x%04x", 386 icalk, vcalk, vcalb, reg_val); 387 ret = regmap_write(aw_dev->regmap, AW88261_VSNTM1_REG, reg_val); 388 389 return ret; 390} 391 392static int aw88261_dev_reg_update(struct aw88261 *aw88261, 393 unsigned char *data, unsigned int len) 394{ 395 struct aw_device *aw_dev = aw88261->aw_pa; 396 struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; 397 unsigned int read_val, efcheck_val, read_vol; 398 int data_len, i, ret; 399 int16_t *reg_data; 400 u16 reg_val; 401 u8 reg_addr; 402 403 if (!len || !data) { 404 dev_err(aw_dev->dev, "reg data is null or len is 0"); 405 return -EINVAL; 406 } 407 408 reg_data = (int16_t *)data; 409 data_len = len >> 1; 410 411 if (data_len & 0x1) { 412 dev_err(aw_dev->dev, "data len:%d unsupported", data_len); 413 return -EINVAL; 414 } 415 416 for (i = 0; i < data_len; i += 2) { 417 reg_addr = reg_data[i]; 418 reg_val = reg_data[i + 1]; 419 420 if (reg_addr == AW88261_SYSCTRL_REG) { 421 aw88261->amppd_st = reg_val & (~AW88261_AMPPD_MASK); 422 ret = regmap_read(aw_dev->regmap, reg_addr, &read_val); 423 if (ret) 424 break; 425 426 /* keep all three bits from current hw status */ 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 int aw88261_dev_get_prof_name(struct aw_device *aw_dev, int index, char **prof_name) 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 -EINVAL; 489 } 490 491 prof_desc = &aw_dev->prof_info.prof_desc[index]; 492 493 *prof_name = prof_info->prof_name_list[prof_desc->id]; 494 495 return 0; 496} 497 498static int aw88261_dev_get_prof_data(struct aw_device *aw_dev, int index, 499 struct aw_prof_desc **prof_desc) 500{ 501 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 502 dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n", 503 __func__, index, aw_dev->prof_info.count); 504 return -EINVAL; 505 } 506 507 *prof_desc = &aw_dev->prof_info.prof_desc[index]; 508 509 return 0; 510} 511 512static int aw88261_dev_fw_update(struct aw88261 *aw88261) 513{ 514 struct aw_device *aw_dev = aw88261->aw_pa; 515 struct aw_prof_desc *prof_index_desc; 516 struct aw_sec_data_desc *sec_desc; 517 char *prof_name; 518 int ret; 519 520 ret = aw88261_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name); 521 if (ret) { 522 dev_err(aw_dev->dev, "get prof name failed"); 523 return -EINVAL; 524 } 525 526 dev_dbg(aw_dev->dev, "start update %s", prof_name); 527 528 ret = aw88261_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc); 529 if (ret) 530 return ret; 531 532 /* update reg */ 533 sec_desc = prof_index_desc->sec_desc; 534 ret = aw88261_dev_reg_update(aw88261, sec_desc[AW88395_DATA_TYPE_REG].data, 535 sec_desc[AW88395_DATA_TYPE_REG].len); 536 if (ret) { 537 dev_err(aw_dev->dev, "update reg failed"); 538 return ret; 539 } 540 541 aw_dev->prof_cur = aw_dev->prof_index; 542 543 return ret; 544} 545 546static int aw88261_dev_start(struct aw88261 *aw88261) 547{ 548 struct aw_device *aw_dev = aw88261->aw_pa; 549 int ret; 550 551 if (aw_dev->status == AW88261_DEV_PW_ON) { 552 dev_info(aw_dev->dev, "already power on"); 553 return 0; 554 } 555 556 /* power on */ 557 aw88261_dev_pwd(aw_dev, false); 558 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 559 560 ret = aw88261_dev_check_syspll(aw_dev); 561 if (ret) { 562 dev_err(aw_dev->dev, "pll check failed cannot start"); 563 goto pll_check_fail; 564 } 565 566 /* amppd on */ 567 aw88261_dev_amppd(aw_dev, false); 568 usleep_range(AW88261_1000_US, AW88261_1000_US + 50); 569 570 /* check i2s status */ 571 ret = aw88261_dev_check_sysst(aw_dev); 572 if (ret) { 573 dev_err(aw_dev->dev, "sysst check failed"); 574 goto sysst_check_fail; 575 } 576 577 /* enable tx feedback */ 578 aw88261_dev_i2s_tx_enable(aw_dev, true); 579 580 if (aw88261->amppd_st) 581 aw88261_dev_amppd(aw_dev, true); 582 583 aw88261_reg_force_set(aw88261); 584 585 /* close uls mute */ 586 aw88261_dev_uls_hmute(aw_dev, false); 587 588 /* close mute */ 589 if (!aw88261->mute_st) 590 aw88261_dev_mute(aw_dev, false); 591 592 /* clear inturrupt */ 593 aw88261_dev_clear_int_status(aw_dev); 594 aw_dev->status = AW88261_DEV_PW_ON; 595 596 return 0; 597 598sysst_check_fail: 599 aw88261_dev_i2s_tx_enable(aw_dev, false); 600 aw88261_dev_clear_int_status(aw_dev); 601 aw88261_dev_amppd(aw_dev, true); 602pll_check_fail: 603 aw88261_dev_pwd(aw_dev, true); 604 aw_dev->status = AW88261_DEV_PW_OFF; 605 606 return ret; 607} 608 609static int aw88261_dev_stop(struct aw_device *aw_dev) 610{ 611 if (aw_dev->status == AW88261_DEV_PW_OFF) { 612 dev_info(aw_dev->dev, "already power off"); 613 return 0; 614 } 615 616 aw_dev->status = AW88261_DEV_PW_OFF; 617 618 /* clear inturrupt */ 619 aw88261_dev_clear_int_status(aw_dev); 620 621 aw88261_dev_uls_hmute(aw_dev, true); 622 /* set mute */ 623 aw88261_dev_mute(aw_dev, true); 624 625 /* close tx feedback */ 626 aw88261_dev_i2s_tx_enable(aw_dev, false); 627 usleep_range(AW88261_1000_US, AW88261_1000_US + 100); 628 629 /* enable amppd */ 630 aw88261_dev_amppd(aw_dev, true); 631 632 /* set power down */ 633 aw88261_dev_pwd(aw_dev, true); 634 635 return 0; 636} 637 638static int aw88261_reg_update(struct aw88261 *aw88261, bool force) 639{ 640 struct aw_device *aw_dev = aw88261->aw_pa; 641 int ret; 642 643 if (force) { 644 ret = regmap_write(aw_dev->regmap, 645 AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); 646 if (ret) 647 return ret; 648 649 ret = aw88261_dev_fw_update(aw88261); 650 if (ret) 651 return ret; 652 } else { 653 if (aw_dev->prof_cur != aw_dev->prof_index) { 654 ret = aw88261_dev_fw_update(aw88261); 655 if (ret) 656 return ret; 657 } else { 658 ret = 0; 659 } 660 } 661 662 aw_dev->prof_cur = aw_dev->prof_index; 663 664 return ret; 665} 666 667static void aw88261_start_pa(struct aw88261 *aw88261) 668{ 669 int ret, i; 670 671 for (i = 0; i < AW88261_START_RETRIES; i++) { 672 ret = aw88261_reg_update(aw88261, aw88261->phase_sync); 673 if (ret) { 674 dev_err(aw88261->aw_pa->dev, "fw update failed, cnt:%d\n", i); 675 continue; 676 } 677 ret = aw88261_dev_start(aw88261); 678 if (ret) { 679 dev_err(aw88261->aw_pa->dev, "aw88261 device start failed. retry = %d", i); 680 continue; 681 } else { 682 dev_info(aw88261->aw_pa->dev, "start success\n"); 683 break; 684 } 685 } 686} 687 688static void aw88261_startup_work(struct work_struct *work) 689{ 690 struct aw88261 *aw88261 = 691 container_of(work, struct aw88261, start_work.work); 692 693 mutex_lock(&aw88261->lock); 694 aw88261_start_pa(aw88261); 695 mutex_unlock(&aw88261->lock); 696} 697 698static void aw88261_start(struct aw88261 *aw88261, bool sync_start) 699{ 700 if (aw88261->aw_pa->fw_status != AW88261_DEV_FW_OK) 701 return; 702 703 if (aw88261->aw_pa->status == AW88261_DEV_PW_ON) 704 return; 705 706 if (sync_start == AW88261_SYNC_START) 707 aw88261_start_pa(aw88261); 708 else 709 queue_delayed_work(system_dfl_wq, 710 &aw88261->start_work, 711 AW88261_START_WORK_DELAY_MS); 712} 713 714static struct snd_soc_dai_driver aw88261_dai[] = { 715 { 716 .name = "aw88261-aif", 717 .id = 1, 718 .playback = { 719 .stream_name = "Speaker_Playback", 720 .channels_min = 1, 721 .channels_max = 2, 722 .rates = AW88261_RATES, 723 .formats = AW88261_FORMATS, 724 }, 725 .capture = { 726 .stream_name = "Speaker_Capture", 727 .channels_min = 1, 728 .channels_max = 2, 729 .rates = AW88261_RATES, 730 .formats = AW88261_FORMATS, 731 }, 732 }, 733}; 734 735static int aw88261_get_fade_in_time(struct snd_kcontrol *kcontrol, 736 struct snd_ctl_elem_value *ucontrol) 737{ 738 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 739 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 740 struct aw_device *aw_dev = aw88261->aw_pa; 741 742 ucontrol->value.integer.value[0] = aw_dev->fade_in_time; 743 744 return 0; 745} 746 747static int aw88261_set_fade_in_time(struct snd_kcontrol *kcontrol, 748 struct snd_ctl_elem_value *ucontrol) 749{ 750 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 751 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 752 struct soc_mixer_control *mc = 753 (struct soc_mixer_control *)kcontrol->private_value; 754 struct aw_device *aw_dev = aw88261->aw_pa; 755 int time; 756 757 time = ucontrol->value.integer.value[0]; 758 759 if (time < mc->min || time > mc->max) 760 return -EINVAL; 761 762 if (time != aw_dev->fade_in_time) { 763 aw_dev->fade_in_time = time; 764 return 1; 765 } 766 767 return 0; 768} 769 770static int aw88261_get_fade_out_time(struct snd_kcontrol *kcontrol, 771 struct snd_ctl_elem_value *ucontrol) 772{ 773 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 774 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 775 struct aw_device *aw_dev = aw88261->aw_pa; 776 777 ucontrol->value.integer.value[0] = aw_dev->fade_out_time; 778 779 return 0; 780} 781 782static int aw88261_set_fade_out_time(struct snd_kcontrol *kcontrol, 783 struct snd_ctl_elem_value *ucontrol) 784{ 785 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 786 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 787 struct soc_mixer_control *mc = 788 (struct soc_mixer_control *)kcontrol->private_value; 789 struct aw_device *aw_dev = aw88261->aw_pa; 790 int time; 791 792 time = ucontrol->value.integer.value[0]; 793 if (time < mc->min || time > mc->max) 794 return -EINVAL; 795 796 if (time != aw_dev->fade_out_time) { 797 aw_dev->fade_out_time = time; 798 return 1; 799 } 800 801 return 0; 802} 803 804static int aw88261_dev_set_profile_index(struct aw_device *aw_dev, int index) 805{ 806 /* check the index whether is valid */ 807 if ((index >= aw_dev->prof_info.count) || (index < 0)) 808 return -EINVAL; 809 /* check the index whether change */ 810 if (aw_dev->prof_index == index) 811 return -EPERM; 812 813 aw_dev->prof_index = index; 814 815 return 0; 816} 817 818static int aw88261_profile_info(struct snd_kcontrol *kcontrol, 819 struct snd_ctl_elem_info *uinfo) 820{ 821 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 822 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 823 char *prof_name; 824 int count, ret; 825 826 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 827 uinfo->count = 1; 828 829 count = aw88261->aw_pa->prof_info.count; 830 if (count <= 0) { 831 uinfo->value.enumerated.items = 0; 832 return 0; 833 } 834 835 uinfo->value.enumerated.items = count; 836 837 if (uinfo->value.enumerated.item >= count) 838 uinfo->value.enumerated.item = count - 1; 839 840 count = uinfo->value.enumerated.item; 841 842 ret = aw88261_dev_get_prof_name(aw88261->aw_pa, count, &prof_name); 843 if (ret) { 844 strscpy(uinfo->value.enumerated.name, "null"); 845 return 0; 846 } 847 848 strscpy(uinfo->value.enumerated.name, prof_name); 849 850 return 0; 851} 852 853static int aw88261_profile_get(struct snd_kcontrol *kcontrol, 854 struct snd_ctl_elem_value *ucontrol) 855{ 856 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 857 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 858 859 ucontrol->value.integer.value[0] = aw88261->aw_pa->prof_index; 860 861 return 0; 862} 863 864static int aw88261_profile_set(struct snd_kcontrol *kcontrol, 865 struct snd_ctl_elem_value *ucontrol) 866{ 867 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 868 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 869 int ret; 870 871 /* pa stop or stopping just set profile */ 872 mutex_lock(&aw88261->lock); 873 ret = aw88261_dev_set_profile_index(aw88261->aw_pa, ucontrol->value.integer.value[0]); 874 if (ret) { 875 dev_dbg(codec->dev, "profile index does not change"); 876 mutex_unlock(&aw88261->lock); 877 return 0; 878 } 879 880 if (aw88261->aw_pa->status) { 881 aw88261_dev_stop(aw88261->aw_pa); 882 aw88261_start(aw88261, AW88261_SYNC_START); 883 } 884 885 mutex_unlock(&aw88261->lock); 886 887 return 1; 888} 889 890static int aw88261_volume_get(struct snd_kcontrol *kcontrol, 891 struct snd_ctl_elem_value *ucontrol) 892{ 893 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 894 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 895 struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; 896 897 ucontrol->value.integer.value[0] = vol_desc->ctl_volume; 898 899 return 0; 900} 901 902static int aw88261_volume_set(struct snd_kcontrol *kcontrol, 903 struct snd_ctl_elem_value *ucontrol) 904{ 905 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 906 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 907 struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; 908 struct soc_mixer_control *mc = 909 (struct soc_mixer_control *)kcontrol->private_value; 910 int value; 911 912 value = ucontrol->value.integer.value[0]; 913 914 if (value < mc->min || value > mc->max) 915 return -EINVAL; 916 917 if (vol_desc->ctl_volume != value) { 918 vol_desc->ctl_volume = value; 919 aw88261_dev_set_volume(aw88261->aw_pa, vol_desc->ctl_volume); 920 921 return 1; 922 } 923 924 return 0; 925} 926 927static int aw88261_get_fade_step(struct snd_kcontrol *kcontrol, 928 struct snd_ctl_elem_value *ucontrol) 929{ 930 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 931 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 932 933 ucontrol->value.integer.value[0] = aw88261->aw_pa->fade_step; 934 935 return 0; 936} 937 938static int aw88261_set_fade_step(struct snd_kcontrol *kcontrol, 939 struct snd_ctl_elem_value *ucontrol) 940{ 941 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 942 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 943 struct soc_mixer_control *mc = 944 (struct soc_mixer_control *)kcontrol->private_value; 945 int value; 946 947 value = ucontrol->value.integer.value[0]; 948 if (value < mc->min || value > mc->max) 949 return -EINVAL; 950 951 if (aw88261->aw_pa->fade_step != value) { 952 aw88261->aw_pa->fade_step = value; 953 return 1; 954 } 955 956 return 0; 957} 958 959static const struct snd_kcontrol_new aw88261_controls[] = { 960 SOC_SINGLE_EXT("PCM Playback Volume", AW88261_SYSCTRL2_REG, 961 6, AW88261_MUTE_VOL, 0, aw88261_volume_get, 962 aw88261_volume_set), 963 SOC_SINGLE_EXT("Fade Step", 0, 0, AW88261_MUTE_VOL, 0, 964 aw88261_get_fade_step, aw88261_set_fade_step), 965 SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, 966 aw88261_get_fade_in_time, aw88261_set_fade_in_time), 967 SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, 968 aw88261_get_fade_out_time, aw88261_set_fade_out_time), 969 AW88261_PROFILE_EXT("Profile Set", aw88261_profile_info, 970 aw88261_profile_get, aw88261_profile_set), 971}; 972 973static int aw88261_playback_event(struct snd_soc_dapm_widget *w, 974 struct snd_kcontrol *k, int event) 975{ 976 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 977 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 978 979 mutex_lock(&aw88261->lock); 980 switch (event) { 981 case SND_SOC_DAPM_PRE_PMU: 982 aw88261_start(aw88261, AW88261_ASYNC_START); 983 break; 984 case SND_SOC_DAPM_POST_PMD: 985 aw88261_dev_stop(aw88261->aw_pa); 986 break; 987 default: 988 break; 989 } 990 mutex_unlock(&aw88261->lock); 991 992 return 0; 993} 994 995static const struct snd_soc_dapm_widget aw88261_dapm_widgets[] = { 996 /* playback */ 997 SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0, 998 aw88261_playback_event, 999 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1000 SND_SOC_DAPM_OUTPUT("DAC Output"), 1001 1002 /* capture */ 1003 SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0), 1004 SND_SOC_DAPM_INPUT("ADC Input"), 1005}; 1006 1007static const struct snd_soc_dapm_route aw88261_audio_map[] = { 1008 {"DAC Output", NULL, "AIF_RX"}, 1009 {"AIF_TX", NULL, "ADC Input"}, 1010}; 1011 1012static int aw88261_frcset_check(struct aw88261 *aw88261) 1013{ 1014 unsigned int reg_val; 1015 u16 temh, teml, tem; 1016 int ret; 1017 1018 ret = regmap_read(aw88261->regmap, AW88261_EFRH3_REG, ®_val); 1019 if (ret) 1020 return ret; 1021 temh = ((u16)reg_val & (~AW88261_TEMH_MASK)); 1022 1023 ret = regmap_read(aw88261->regmap, AW88261_EFRL3_REG, ®_val); 1024 if (ret) 1025 return ret; 1026 teml = ((u16)reg_val & (~AW88261_TEML_MASK)); 1027 1028 if (aw88261->efuse_check == AW88261_EF_OR_CHECK) 1029 tem = (temh | teml); 1030 else 1031 tem = (temh & teml); 1032 1033 if (tem == AW88261_DEFAULT_CFG) 1034 aw88261->frcset_en = AW88261_FRCSET_ENABLE; 1035 else 1036 aw88261->frcset_en = AW88261_FRCSET_DISABLE; 1037 1038 dev_dbg(aw88261->aw_pa->dev, "tem is 0x%04x, frcset_en is %d", 1039 tem, aw88261->frcset_en); 1040 1041 return ret; 1042} 1043 1044static int aw88261_dev_init(struct aw88261 *aw88261, struct aw_container *aw_cfg) 1045{ 1046 struct aw_device *aw_dev = aw88261->aw_pa; 1047 int ret; 1048 1049 ret = aw88395_dev_cfg_load(aw_dev, aw_cfg); 1050 if (ret) { 1051 dev_err(aw_dev->dev, "aw_dev acf parse failed"); 1052 return -EINVAL; 1053 } 1054 1055 ret = regmap_write(aw_dev->regmap, AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); 1056 if (ret) 1057 return ret; 1058 1059 aw_dev->fade_in_time = AW88261_500_US; 1060 aw_dev->fade_out_time = AW88261_500_US; 1061 aw_dev->prof_cur = AW88261_INIT_PROFILE; 1062 aw_dev->prof_index = AW88261_INIT_PROFILE; 1063 1064 ret = aw88261_dev_fw_update(aw88261); 1065 if (ret) { 1066 dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret); 1067 return ret; 1068 } 1069 1070 ret = aw88261_frcset_check(aw88261); 1071 if (ret) { 1072 dev_err(aw_dev->dev, "aw88261_frcset_check ret = %d\n", ret); 1073 return ret; 1074 } 1075 1076 aw88261_dev_clear_int_status(aw_dev); 1077 1078 aw88261_dev_uls_hmute(aw_dev, true); 1079 1080 aw88261_dev_mute(aw_dev, true); 1081 1082 aw88261_dev_i2s_tx_enable(aw_dev, false); 1083 1084 usleep_range(AW88261_1000_US, AW88261_1000_US + 100); 1085 1086 aw88261_dev_amppd(aw_dev, true); 1087 1088 aw88261_dev_pwd(aw_dev, true); 1089 1090 return 0; 1091} 1092 1093static int aw88261_request_firmware_file(struct aw88261 *aw88261) 1094{ 1095 const struct firmware *cont = NULL; 1096 int ret; 1097 1098 aw88261->aw_pa->fw_status = AW88261_DEV_FW_FAILED; 1099 1100 ret = request_firmware(&cont, AW88261_ACF_FILE, aw88261->aw_pa->dev); 1101 if (ret) 1102 return dev_err_probe(aw88261->aw_pa->dev, ret, 1103 "load [%s] failed!", AW88261_ACF_FILE); 1104 1105 dev_info(aw88261->aw_pa->dev, "loaded %s - size: %zu\n", 1106 AW88261_ACF_FILE, cont ? cont->size : 0); 1107 1108 aw88261->aw_cfg = devm_kzalloc(aw88261->aw_pa->dev, cont->size + sizeof(int), GFP_KERNEL); 1109 if (!aw88261->aw_cfg) { 1110 release_firmware(cont); 1111 return -ENOMEM; 1112 } 1113 aw88261->aw_cfg->len = (int)cont->size; 1114 memcpy(aw88261->aw_cfg->data, cont->data, cont->size); 1115 release_firmware(cont); 1116 1117 ret = aw88395_dev_load_acf_check(aw88261->aw_pa, aw88261->aw_cfg); 1118 if (ret) { 1119 dev_err(aw88261->aw_pa->dev, "load [%s] failed !", AW88261_ACF_FILE); 1120 return ret; 1121 } 1122 1123 mutex_lock(&aw88261->lock); 1124 /* aw device init */ 1125 ret = aw88261_dev_init(aw88261, aw88261->aw_cfg); 1126 if (ret) 1127 dev_err(aw88261->aw_pa->dev, "dev init failed"); 1128 mutex_unlock(&aw88261->lock); 1129 1130 return ret; 1131} 1132 1133static int aw88261_codec_probe(struct snd_soc_component *component) 1134{ 1135 struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); 1136 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 1137 int ret; 1138 1139 INIT_DELAYED_WORK(&aw88261->start_work, aw88261_startup_work); 1140 1141 ret = aw88261_request_firmware_file(aw88261); 1142 if (ret) 1143 return dev_err_probe(aw88261->aw_pa->dev, ret, 1144 "aw88261_request_firmware_file failed\n"); 1145 1146 /* add widgets */ 1147 ret = snd_soc_dapm_new_controls(dapm, aw88261_dapm_widgets, 1148 ARRAY_SIZE(aw88261_dapm_widgets)); 1149 if (ret) 1150 return ret; 1151 1152 /* add route */ 1153 ret = snd_soc_dapm_add_routes(dapm, aw88261_audio_map, 1154 ARRAY_SIZE(aw88261_audio_map)); 1155 if (ret) 1156 return ret; 1157 1158 ret = snd_soc_add_component_controls(component, aw88261_controls, 1159 ARRAY_SIZE(aw88261_controls)); 1160 1161 return ret; 1162} 1163 1164static void aw88261_codec_remove(struct snd_soc_component *aw_codec) 1165{ 1166 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(aw_codec); 1167 1168 cancel_delayed_work_sync(&aw88261->start_work); 1169} 1170 1171static const struct snd_soc_component_driver soc_codec_dev_aw88261 = { 1172 .probe = aw88261_codec_probe, 1173 .remove = aw88261_codec_remove, 1174}; 1175 1176static void aw88261_parse_channel_dt(struct aw88261 *aw88261) 1177{ 1178 struct aw_device *aw_dev = aw88261->aw_pa; 1179 struct device_node *np = aw_dev->dev->of_node; 1180 u32 channel_value = AW88261_DEV_DEFAULT_CH; 1181 1182 of_property_read_u32(np, "awinic,audio-channel", &channel_value); 1183 aw88261->phase_sync = of_property_read_bool(np, "awinic,sync-flag"); 1184 1185 aw_dev->channel = channel_value; 1186} 1187 1188static int aw88261_init(struct aw88261 *aw88261, struct i2c_client *i2c, struct regmap *regmap) 1189{ 1190 struct aw_device *aw_dev; 1191 unsigned int chip_id; 1192 int ret; 1193 1194 /* read chip id */ 1195 ret = regmap_read(regmap, AW88261_ID_REG, &chip_id); 1196 if (ret) { 1197 dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); 1198 return ret; 1199 } 1200 if (chip_id != AW88261_CHIP_ID) { 1201 dev_err(&i2c->dev, "unsupported device"); 1202 return -ENXIO; 1203 } 1204 1205 dev_info(&i2c->dev, "chip id = %x\n", chip_id); 1206 1207 aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); 1208 if (!aw_dev) 1209 return -ENOMEM; 1210 1211 aw88261->aw_pa = aw_dev; 1212 aw_dev->i2c = i2c; 1213 aw_dev->regmap = regmap; 1214 aw_dev->dev = &i2c->dev; 1215 aw_dev->chip_id = AW88261_CHIP_ID; 1216 aw_dev->acf = NULL; 1217 aw_dev->prof_info.prof_desc = NULL; 1218 aw_dev->prof_info.count = 0; 1219 aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; 1220 aw_dev->channel = 0; 1221 aw_dev->fw_status = AW88261_DEV_FW_FAILED; 1222 aw_dev->fade_step = AW88261_VOLUME_STEP_DB; 1223 aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE; 1224 aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL; 1225 aw88261_parse_channel_dt(aw88261); 1226 1227 return ret; 1228} 1229 1230static int aw88261_i2c_probe(struct i2c_client *i2c) 1231{ 1232 struct aw88261 *aw88261; 1233 int ret; 1234 1235 ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); 1236 if (!ret) 1237 return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); 1238 1239 aw88261 = devm_kzalloc(&i2c->dev, sizeof(*aw88261), GFP_KERNEL); 1240 if (!aw88261) 1241 return -ENOMEM; 1242 1243 mutex_init(&aw88261->lock); 1244 1245 i2c_set_clientdata(i2c, aw88261); 1246 1247 aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); 1248 if (IS_ERR(aw88261->regmap)) { 1249 ret = PTR_ERR(aw88261->regmap); 1250 return dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); 1251 } 1252 1253 /* aw pa init */ 1254 ret = aw88261_init(aw88261, i2c, aw88261->regmap); 1255 if (ret) 1256 return ret; 1257 1258 ret = devm_snd_soc_register_component(&i2c->dev, 1259 &soc_codec_dev_aw88261, 1260 aw88261_dai, ARRAY_SIZE(aw88261_dai)); 1261 if (ret) 1262 dev_err(&i2c->dev, "failed to register aw88261: %d", ret); 1263 1264 return ret; 1265} 1266 1267static const struct i2c_device_id aw88261_i2c_id[] = { 1268 { AW88261_I2C_NAME }, 1269 { } 1270}; 1271MODULE_DEVICE_TABLE(i2c, aw88261_i2c_id); 1272 1273static struct i2c_driver aw88261_i2c_driver = { 1274 .driver = { 1275 .name = AW88261_I2C_NAME, 1276 }, 1277 .probe = aw88261_i2c_probe, 1278 .id_table = aw88261_i2c_id, 1279}; 1280module_i2c_driver(aw88261_i2c_driver); 1281 1282MODULE_DESCRIPTION("ASoC AW88261 Smart PA Driver"); 1283MODULE_LICENSE("GPL v2");
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