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 <linux/regulator/consumer.h> 15 #include <sound/soc.h> 16 #include "aw88261.h" 17 #include "aw88395/aw88395_data_type.h" 18 #include "aw88395/aw88395_device.h" 19 20 static const struct regmap_config aw88261_remap_config = { 21 .val_bits = 16, 22 .reg_bits = 8, 23 .max_register = AW88261_REG_MAX, 24 .reg_format_endian = REGMAP_ENDIAN_LITTLE, 25 .val_format_endian = REGMAP_ENDIAN_BIG, 26 }; 27 28 static 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 46 static 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 68 static 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 90 static 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 } 99 100 static 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 } 109 110 static 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 } 119 120 static 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 } 132 133 static 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 } 144 145 static 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 } 160 161 static 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 } 177 178 static 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 } 227 228 static 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 } 244 245 static 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 } 269 270 static 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 } 281 282 static 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 } 307 308 static 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 } 335 336 static 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 } 362 363 static 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 } 392 393 static 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 } 479 480 static 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 } 497 498 static 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 } 511 512 static 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 } 545 546 static 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; 597 598 sysst_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); 602 pll_check_fail: 603 aw88261_dev_pwd(aw_dev, true); 604 aw_dev->status = AW88261_DEV_PW_OFF; 605 606 return ret; 607 } 608 609 static 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 } 637 638 static 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 } 666 667 static 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 } 687 688 static 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 } 697 698 static 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 } 713 714 static 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 }; 734 735 static 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 } 746 747 static 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 } 769 770 static 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 } 781 782 static 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 } 803 804 static 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 } 817 818 static 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 } 852 853 static 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 } 863 864 static 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 } 889 890 static 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 } 901 902 static 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 } 926 927 static 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 } 937 938 static 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 } 958 959 static 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 }; 972 973 static 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 } 994 995 static 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 1007 static const struct snd_soc_dapm_route aw88261_audio_map[] = { 1008 {"DAC Output", NULL, "AIF_RX"}, 1009 {"AIF_TX", NULL, "ADC Input"}, 1010 }; 1011 1012 static 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 1044 static 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 1093 static 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 1133 static 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 1164 static 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 1171 static const struct snd_soc_component_driver soc_codec_dev_aw88261 = { 1172 .probe = aw88261_codec_probe, 1173 .remove = aw88261_codec_remove, 1174 }; 1175 1176 static 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 1188 static 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 ret = devm_regulator_get_enable(&i2c->dev, "dvdd"); 1195 if (ret) 1196 return dev_err_probe(&i2c->dev, ret, "Failed to enable dvdd supply\n"); 1197 1198 /* read chip id */ 1199 ret = regmap_read(regmap, AW88261_ID_REG, &chip_id); 1200 if (ret) { 1201 dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); 1202 return ret; 1203 } 1204 if (chip_id != AW88261_CHIP_ID) { 1205 dev_err(&i2c->dev, "unsupported device"); 1206 return -ENXIO; 1207 } 1208 1209 dev_info(&i2c->dev, "chip id = %x\n", chip_id); 1210 1211 aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); 1212 if (!aw_dev) 1213 return -ENOMEM; 1214 1215 aw88261->aw_pa = aw_dev; 1216 aw_dev->i2c = i2c; 1217 aw_dev->regmap = regmap; 1218 aw_dev->dev = &i2c->dev; 1219 aw_dev->chip_id = AW88261_CHIP_ID; 1220 aw_dev->acf = NULL; 1221 aw_dev->prof_info.prof_desc = NULL; 1222 aw_dev->prof_info.count = 0; 1223 aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; 1224 aw_dev->channel = 0; 1225 aw_dev->fw_status = AW88261_DEV_FW_FAILED; 1226 aw_dev->fade_step = AW88261_VOLUME_STEP_DB; 1227 aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE; 1228 aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL; 1229 aw88261_parse_channel_dt(aw88261); 1230 1231 return ret; 1232 } 1233 1234 static int aw88261_i2c_probe(struct i2c_client *i2c) 1235 { 1236 struct aw88261 *aw88261; 1237 int ret; 1238 1239 ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); 1240 if (!ret) 1241 return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); 1242 1243 aw88261 = devm_kzalloc(&i2c->dev, sizeof(*aw88261), GFP_KERNEL); 1244 if (!aw88261) 1245 return -ENOMEM; 1246 1247 mutex_init(&aw88261->lock); 1248 1249 i2c_set_clientdata(i2c, aw88261); 1250 1251 aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); 1252 if (IS_ERR(aw88261->regmap)) { 1253 ret = PTR_ERR(aw88261->regmap); 1254 return dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); 1255 } 1256 1257 /* aw pa init */ 1258 ret = aw88261_init(aw88261, i2c, aw88261->regmap); 1259 if (ret) 1260 return ret; 1261 1262 ret = devm_snd_soc_register_component(&i2c->dev, 1263 &soc_codec_dev_aw88261, 1264 aw88261_dai, ARRAY_SIZE(aw88261_dai)); 1265 if (ret) 1266 dev_err(&i2c->dev, "failed to register aw88261: %d", ret); 1267 1268 return ret; 1269 } 1270 1271 static const struct i2c_device_id aw88261_i2c_id[] = { 1272 { "aw88261" }, 1273 { } 1274 }; 1275 MODULE_DEVICE_TABLE(i2c, aw88261_i2c_id); 1276 1277 static const struct of_device_id aw88261_of_table[] = { 1278 { .compatible = "awinic,aw88261" }, 1279 { } 1280 }; 1281 MODULE_DEVICE_TABLE(of, aw88261_of_table); 1282 1283 static struct i2c_driver aw88261_i2c_driver = { 1284 .driver = { 1285 .name = "aw88261", 1286 .of_match_table = aw88261_of_table, 1287 }, 1288 .probe = aw88261_i2c_probe, 1289 .id_table = aw88261_i2c_id, 1290 }; 1291 module_i2c_driver(aw88261_i2c_driver); 1292 1293 MODULE_DESCRIPTION("ASoC AW88261 Smart PA Driver"); 1294 MODULE_LICENSE("GPL v2"); 1295