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 /* keep all three bits from current hw status */ 428 read_val &= (~AW88261_AMPPD_MASK) | (~AW88261_PWDN_MASK) | 429 (~AW88261_HMUTE_MASK); 430 reg_val &= (AW88261_AMPPD_MASK & AW88261_PWDN_MASK & AW88261_HMUTE_MASK); 431 reg_val |= read_val; 432 433 /* enable uls hmute */ 434 reg_val &= AW88261_ULS_HMUTE_MASK; 435 reg_val |= AW88261_ULS_HMUTE_ENABLE_VALUE; 436 } 437 438 if (reg_addr == AW88261_DBGCTRL_REG) { 439 efcheck_val = reg_val & (~AW88261_EF_DBMD_MASK); 440 if (efcheck_val == AW88261_OR_VALUE) 441 aw88261->efuse_check = AW88261_EF_OR_CHECK; 442 else 443 aw88261->efuse_check = AW88261_EF_AND_CHECK; 444 } 445 446 /* i2stxen */ 447 if (reg_addr == AW88261_I2SCTRL3_REG) { 448 /* close tx */ 449 reg_val &= AW88261_I2STXEN_MASK; 450 reg_val |= AW88261_I2STXEN_DISABLE_VALUE; 451 } 452 453 if (reg_addr == AW88261_SYSCTRL2_REG) { 454 read_vol = (reg_val & (~AW88261_VOL_MASK)) >> 455 AW88261_VOL_START_BIT; 456 aw_dev->volume_desc.init_volume = 457 REG_VAL_TO_DB(read_vol); 458 } 459 460 if (reg_addr == AW88261_VSNTM1_REG) 461 continue; 462 463 ret = regmap_write(aw_dev->regmap, reg_addr, reg_val); 464 if (ret) 465 break; 466 } 467 468 ret = aw88261_dev_set_vcalb(aw_dev); 469 if (ret) 470 return ret; 471 472 if (aw_dev->prof_cur != aw_dev->prof_index) 473 vol_desc->ctl_volume = 0; 474 475 /* keep min volume */ 476 aw88261_dev_set_volume(aw_dev, vol_desc->mute_volume); 477 478 return ret; 479 } 480 481 static int aw88261_dev_get_prof_name(struct aw_device *aw_dev, int index, char **prof_name) 482 { 483 struct aw_prof_info *prof_info = &aw_dev->prof_info; 484 struct aw_prof_desc *prof_desc; 485 486 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 487 dev_err(aw_dev->dev, "index[%d] overflow count[%d]", 488 index, aw_dev->prof_info.count); 489 return -EINVAL; 490 } 491 492 prof_desc = &aw_dev->prof_info.prof_desc[index]; 493 494 *prof_name = prof_info->prof_name_list[prof_desc->id]; 495 496 return 0; 497 } 498 499 static int aw88261_dev_get_prof_data(struct aw_device *aw_dev, int index, 500 struct aw_prof_desc **prof_desc) 501 { 502 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 503 dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n", 504 __func__, index, aw_dev->prof_info.count); 505 return -EINVAL; 506 } 507 508 *prof_desc = &aw_dev->prof_info.prof_desc[index]; 509 510 return 0; 511 } 512 513 static int aw88261_dev_fw_update(struct aw88261 *aw88261) 514 { 515 struct aw_device *aw_dev = aw88261->aw_pa; 516 struct aw_prof_desc *prof_index_desc; 517 struct aw_sec_data_desc *sec_desc; 518 char *prof_name; 519 int ret; 520 521 ret = aw88261_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name); 522 if (ret) { 523 dev_err(aw_dev->dev, "get prof name failed"); 524 return -EINVAL; 525 } 526 527 dev_dbg(aw_dev->dev, "start update %s", prof_name); 528 529 ret = aw88261_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc); 530 if (ret) 531 return ret; 532 533 /* update reg */ 534 sec_desc = prof_index_desc->sec_desc; 535 ret = aw88261_dev_reg_update(aw88261, sec_desc[AW88395_DATA_TYPE_REG].data, 536 sec_desc[AW88395_DATA_TYPE_REG].len); 537 if (ret) { 538 dev_err(aw_dev->dev, "update reg failed"); 539 return ret; 540 } 541 542 aw_dev->prof_cur = aw_dev->prof_index; 543 544 return ret; 545 } 546 547 static int aw88261_dev_start(struct aw88261 *aw88261) 548 { 549 struct aw_device *aw_dev = aw88261->aw_pa; 550 int ret; 551 552 if (aw_dev->status == AW88261_DEV_PW_ON) { 553 dev_info(aw_dev->dev, "already power on"); 554 return 0; 555 } 556 557 /* power on */ 558 aw88261_dev_pwd(aw_dev, false); 559 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 560 561 ret = aw88261_dev_check_syspll(aw_dev); 562 if (ret) { 563 dev_err(aw_dev->dev, "pll check failed cannot start"); 564 goto pll_check_fail; 565 } 566 567 /* amppd on */ 568 aw88261_dev_amppd(aw_dev, false); 569 usleep_range(AW88261_1000_US, AW88261_1000_US + 50); 570 571 /* check i2s status */ 572 ret = aw88261_dev_check_sysst(aw_dev); 573 if (ret) { 574 dev_err(aw_dev->dev, "sysst check failed"); 575 goto sysst_check_fail; 576 } 577 578 /* enable tx feedback */ 579 aw88261_dev_i2s_tx_enable(aw_dev, true); 580 581 if (aw88261->amppd_st) 582 aw88261_dev_amppd(aw_dev, true); 583 584 aw88261_reg_force_set(aw88261); 585 586 /* close uls mute */ 587 aw88261_dev_uls_hmute(aw_dev, false); 588 589 /* close mute */ 590 if (!aw88261->mute_st) 591 aw88261_dev_mute(aw_dev, false); 592 593 /* clear inturrupt */ 594 aw88261_dev_clear_int_status(aw_dev); 595 aw_dev->status = AW88261_DEV_PW_ON; 596 597 return 0; 598 599 sysst_check_fail: 600 aw88261_dev_i2s_tx_enable(aw_dev, false); 601 aw88261_dev_clear_int_status(aw_dev); 602 aw88261_dev_amppd(aw_dev, true); 603 pll_check_fail: 604 aw88261_dev_pwd(aw_dev, true); 605 aw_dev->status = AW88261_DEV_PW_OFF; 606 607 return ret; 608 } 609 610 static int aw88261_dev_stop(struct aw_device *aw_dev) 611 { 612 if (aw_dev->status == AW88261_DEV_PW_OFF) { 613 dev_info(aw_dev->dev, "already power off"); 614 return 0; 615 } 616 617 aw_dev->status = AW88261_DEV_PW_OFF; 618 619 /* clear inturrupt */ 620 aw88261_dev_clear_int_status(aw_dev); 621 622 aw88261_dev_uls_hmute(aw_dev, true); 623 /* set mute */ 624 aw88261_dev_mute(aw_dev, true); 625 626 /* close tx feedback */ 627 aw88261_dev_i2s_tx_enable(aw_dev, false); 628 usleep_range(AW88261_1000_US, AW88261_1000_US + 100); 629 630 /* enable amppd */ 631 aw88261_dev_amppd(aw_dev, true); 632 633 /* set power down */ 634 aw88261_dev_pwd(aw_dev, true); 635 636 return 0; 637 } 638 639 static int aw88261_reg_update(struct aw88261 *aw88261, bool force) 640 { 641 struct aw_device *aw_dev = aw88261->aw_pa; 642 int ret; 643 644 if (force) { 645 ret = regmap_write(aw_dev->regmap, 646 AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); 647 if (ret) 648 return ret; 649 650 ret = aw88261_dev_fw_update(aw88261); 651 if (ret) 652 return ret; 653 } else { 654 if (aw_dev->prof_cur != aw_dev->prof_index) { 655 ret = aw88261_dev_fw_update(aw88261); 656 if (ret) 657 return ret; 658 } else { 659 ret = 0; 660 } 661 } 662 663 aw_dev->prof_cur = aw_dev->prof_index; 664 665 return ret; 666 } 667 668 static void aw88261_start_pa(struct aw88261 *aw88261) 669 { 670 int ret, i; 671 672 for (i = 0; i < AW88261_START_RETRIES; i++) { 673 ret = aw88261_reg_update(aw88261, aw88261->phase_sync); 674 if (ret) { 675 dev_err(aw88261->aw_pa->dev, "fw update failed, cnt:%d\n", i); 676 continue; 677 } 678 ret = aw88261_dev_start(aw88261); 679 if (ret) { 680 dev_err(aw88261->aw_pa->dev, "aw88261 device start failed. retry = %d", i); 681 continue; 682 } else { 683 dev_info(aw88261->aw_pa->dev, "start success\n"); 684 break; 685 } 686 } 687 } 688 689 static void aw88261_startup_work(struct work_struct *work) 690 { 691 struct aw88261 *aw88261 = 692 container_of(work, struct aw88261, start_work.work); 693 694 mutex_lock(&aw88261->lock); 695 aw88261_start_pa(aw88261); 696 mutex_unlock(&aw88261->lock); 697 } 698 699 static void aw88261_start(struct aw88261 *aw88261, bool sync_start) 700 { 701 if (aw88261->aw_pa->fw_status != AW88261_DEV_FW_OK) 702 return; 703 704 if (aw88261->aw_pa->status == AW88261_DEV_PW_ON) 705 return; 706 707 if (sync_start == AW88261_SYNC_START) 708 aw88261_start_pa(aw88261); 709 else 710 queue_delayed_work(system_dfl_wq, 711 &aw88261->start_work, 712 AW88261_START_WORK_DELAY_MS); 713 } 714 715 static struct snd_soc_dai_driver aw88261_dai[] = { 716 { 717 .name = "aw88261-aif", 718 .id = 1, 719 .playback = { 720 .stream_name = "Speaker_Playback", 721 .channels_min = 1, 722 .channels_max = 2, 723 .rates = AW88261_RATES, 724 .formats = AW88261_FORMATS, 725 }, 726 .capture = { 727 .stream_name = "Speaker_Capture", 728 .channels_min = 1, 729 .channels_max = 2, 730 .rates = AW88261_RATES, 731 .formats = AW88261_FORMATS, 732 }, 733 }, 734 }; 735 736 static int aw88261_get_fade_in_time(struct snd_kcontrol *kcontrol, 737 struct snd_ctl_elem_value *ucontrol) 738 { 739 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 740 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 741 struct aw_device *aw_dev = aw88261->aw_pa; 742 743 ucontrol->value.integer.value[0] = aw_dev->fade_in_time; 744 745 return 0; 746 } 747 748 static int aw88261_set_fade_in_time(struct snd_kcontrol *kcontrol, 749 struct snd_ctl_elem_value *ucontrol) 750 { 751 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 752 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 753 struct soc_mixer_control *mc = 754 (struct soc_mixer_control *)kcontrol->private_value; 755 struct aw_device *aw_dev = aw88261->aw_pa; 756 int time; 757 758 time = ucontrol->value.integer.value[0]; 759 760 if (time < mc->min || time > mc->max) 761 return -EINVAL; 762 763 if (time != aw_dev->fade_in_time) { 764 aw_dev->fade_in_time = time; 765 return 1; 766 } 767 768 return 0; 769 } 770 771 static int aw88261_get_fade_out_time(struct snd_kcontrol *kcontrol, 772 struct snd_ctl_elem_value *ucontrol) 773 { 774 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 775 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 776 struct aw_device *aw_dev = aw88261->aw_pa; 777 778 ucontrol->value.integer.value[0] = aw_dev->fade_out_time; 779 780 return 0; 781 } 782 783 static int aw88261_set_fade_out_time(struct snd_kcontrol *kcontrol, 784 struct snd_ctl_elem_value *ucontrol) 785 { 786 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 787 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 788 struct soc_mixer_control *mc = 789 (struct soc_mixer_control *)kcontrol->private_value; 790 struct aw_device *aw_dev = aw88261->aw_pa; 791 int time; 792 793 time = ucontrol->value.integer.value[0]; 794 if (time < mc->min || time > mc->max) 795 return -EINVAL; 796 797 if (time != aw_dev->fade_out_time) { 798 aw_dev->fade_out_time = time; 799 return 1; 800 } 801 802 return 0; 803 } 804 805 static int aw88261_dev_set_profile_index(struct aw_device *aw_dev, int index) 806 { 807 /* check the index whether is valid */ 808 if ((index >= aw_dev->prof_info.count) || (index < 0)) 809 return -EINVAL; 810 /* check the index whether change */ 811 if (aw_dev->prof_index == index) 812 return -EPERM; 813 814 aw_dev->prof_index = index; 815 816 return 0; 817 } 818 819 static int aw88261_profile_info(struct snd_kcontrol *kcontrol, 820 struct snd_ctl_elem_info *uinfo) 821 { 822 struct snd_soc_component *codec = snd_kcontrol_chip(kcontrol); 823 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 824 char *prof_name; 825 int count, ret; 826 827 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 828 uinfo->count = 1; 829 830 count = aw88261->aw_pa->prof_info.count; 831 if (count <= 0) { 832 uinfo->value.enumerated.items = 0; 833 return 0; 834 } 835 836 uinfo->value.enumerated.items = count; 837 838 if (uinfo->value.enumerated.item >= count) 839 uinfo->value.enumerated.item = count - 1; 840 841 count = uinfo->value.enumerated.item; 842 843 ret = aw88261_dev_get_prof_name(aw88261->aw_pa, count, &prof_name); 844 if (ret) { 845 strscpy(uinfo->value.enumerated.name, "null"); 846 return 0; 847 } 848 849 strscpy(uinfo->value.enumerated.name, prof_name); 850 851 return 0; 852 } 853 854 static int aw88261_profile_get(struct snd_kcontrol *kcontrol, 855 struct snd_ctl_elem_value *ucontrol) 856 { 857 struct snd_soc_component *codec = snd_kcontrol_chip(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 } 864 865 static int aw88261_profile_set(struct snd_kcontrol *kcontrol, 866 struct snd_ctl_elem_value *ucontrol) 867 { 868 struct snd_soc_component *codec = snd_kcontrol_chip(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 } 890 891 static int aw88261_volume_get(struct snd_kcontrol *kcontrol, 892 struct snd_ctl_elem_value *ucontrol) 893 { 894 struct snd_soc_component *codec = snd_kcontrol_chip(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 } 902 903 static int aw88261_volume_set(struct snd_kcontrol *kcontrol, 904 struct snd_ctl_elem_value *ucontrol) 905 { 906 struct snd_soc_component *codec = snd_kcontrol_chip(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 } 927 928 static int aw88261_get_fade_step(struct snd_kcontrol *kcontrol, 929 struct snd_ctl_elem_value *ucontrol) 930 { 931 struct snd_soc_component *codec = snd_kcontrol_chip(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 } 938 939 static int aw88261_set_fade_step(struct snd_kcontrol *kcontrol, 940 struct snd_ctl_elem_value *ucontrol) 941 { 942 struct snd_soc_component *codec = snd_kcontrol_chip(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 } 959 960 static 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 }; 973 974 static 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 } 995 996 static 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 1008 static const struct snd_soc_dapm_route aw88261_audio_map[] = { 1009 {"DAC Output", NULL, "AIF_RX"}, 1010 {"AIF_TX", NULL, "ADC Input"}, 1011 }; 1012 1013 static 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 1045 static 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 1094 static 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 1134 static int aw88261_codec_probe(struct snd_soc_component *component) 1135 { 1136 struct snd_soc_dapm_context *dapm = snd_soc_component_to_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 1165 static 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 1172 static const struct snd_soc_component_driver soc_codec_dev_aw88261 = { 1173 .probe = aw88261_codec_probe, 1174 .remove = aw88261_codec_remove, 1175 }; 1176 1177 static void aw88261_parse_channel_dt(struct aw88261 *aw88261) 1178 { 1179 struct aw_device *aw_dev = aw88261->aw_pa; 1180 struct device_node *np = aw_dev->dev->of_node; 1181 u32 channel_value = AW88261_DEV_DEFAULT_CH; 1182 1183 of_property_read_u32(np, "awinic,audio-channel", &channel_value); 1184 aw88261->phase_sync = of_property_read_bool(np, "awinic,sync-flag"); 1185 1186 aw_dev->channel = channel_value; 1187 } 1188 1189 static int aw88261_init(struct aw88261 *aw88261, struct i2c_client *i2c, struct regmap *regmap) 1190 { 1191 struct aw_device *aw_dev; 1192 unsigned int chip_id; 1193 int ret; 1194 1195 ret = devm_regulator_get_enable(&i2c->dev, "dvdd"); 1196 if (ret) 1197 return dev_err_probe(&i2c->dev, ret, "Failed to enable dvdd supply\n"); 1198 1199 /* read chip id */ 1200 ret = regmap_read(regmap, AW88261_ID_REG, &chip_id); 1201 if (ret) { 1202 dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); 1203 return ret; 1204 } 1205 if (chip_id != AW88261_CHIP_ID) { 1206 dev_err(&i2c->dev, "unsupported device"); 1207 return -ENXIO; 1208 } 1209 1210 dev_info(&i2c->dev, "chip id = %x\n", chip_id); 1211 1212 aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); 1213 if (!aw_dev) 1214 return -ENOMEM; 1215 1216 aw88261->aw_pa = aw_dev; 1217 aw_dev->i2c = i2c; 1218 aw_dev->regmap = regmap; 1219 aw_dev->dev = &i2c->dev; 1220 aw_dev->chip_id = AW88261_CHIP_ID; 1221 aw_dev->acf = NULL; 1222 aw_dev->prof_info.prof_desc = NULL; 1223 aw_dev->prof_info.count = 0; 1224 aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; 1225 aw_dev->channel = 0; 1226 aw_dev->fw_status = AW88261_DEV_FW_FAILED; 1227 aw_dev->fade_step = AW88261_VOLUME_STEP_DB; 1228 aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE; 1229 aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL; 1230 aw88261_parse_channel_dt(aw88261); 1231 1232 return ret; 1233 } 1234 1235 static int aw88261_i2c_probe(struct i2c_client *i2c) 1236 { 1237 struct aw88261 *aw88261; 1238 int ret; 1239 1240 ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); 1241 if (!ret) 1242 return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); 1243 1244 aw88261 = devm_kzalloc(&i2c->dev, sizeof(*aw88261), GFP_KERNEL); 1245 if (!aw88261) 1246 return -ENOMEM; 1247 1248 mutex_init(&aw88261->lock); 1249 1250 i2c_set_clientdata(i2c, aw88261); 1251 1252 aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); 1253 if (IS_ERR(aw88261->regmap)) { 1254 ret = PTR_ERR(aw88261->regmap); 1255 return dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); 1256 } 1257 1258 /* aw pa init */ 1259 ret = aw88261_init(aw88261, i2c, aw88261->regmap); 1260 if (ret) 1261 return ret; 1262 1263 ret = devm_snd_soc_register_component(&i2c->dev, 1264 &soc_codec_dev_aw88261, 1265 aw88261_dai, ARRAY_SIZE(aw88261_dai)); 1266 if (ret) 1267 dev_err(&i2c->dev, "failed to register aw88261: %d", ret); 1268 1269 return ret; 1270 } 1271 1272 static const struct i2c_device_id aw88261_i2c_id[] = { 1273 { "aw88261" }, 1274 { } 1275 }; 1276 MODULE_DEVICE_TABLE(i2c, aw88261_i2c_id); 1277 1278 static const struct of_device_id aw88261_of_table[] = { 1279 { .compatible = "awinic,aw88261" }, 1280 { } 1281 }; 1282 MODULE_DEVICE_TABLE(of, aw88261_of_table); 1283 1284 static struct i2c_driver aw88261_i2c_driver = { 1285 .driver = { 1286 .name = "aw88261", 1287 .of_match_table = aw88261_of_table, 1288 }, 1289 .probe = aw88261_i2c_probe, 1290 .id_table = aw88261_i2c_id, 1291 }; 1292 module_i2c_driver(aw88261_i2c_driver); 1293 1294 MODULE_DESCRIPTION("ASoC AW88261 Smart PA Driver"); 1295 MODULE_LICENSE("GPL v2"); 1296