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 19 static 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 27 static 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 45 static 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 67 static 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 89 static 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 99 static 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 } 108 109 static 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 } 118 119 static 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 } 131 132 static 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 } 143 144 static 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 } 159 160 static 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 } 176 177 static 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 } 226 227 static 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 } 243 244 static 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 } 268 269 static 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 } 280 281 static 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 } 306 307 static 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 } 334 335 static 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 } 361 362 static 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 } 391 392 static 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 read_val &= (~AW88261_AMPPD_MASK) | (~AW88261_PWDN_MASK) | 427 (~AW88261_HMUTE_MASK); 428 reg_val &= (AW88261_AMPPD_MASK | AW88261_PWDN_MASK | AW88261_HMUTE_MASK); 429 reg_val |= read_val; 430 431 /* enable uls hmute */ 432 reg_val &= AW88261_ULS_HMUTE_MASK; 433 reg_val |= AW88261_ULS_HMUTE_ENABLE_VALUE; 434 } 435 436 if (reg_addr == AW88261_DBGCTRL_REG) { 437 efcheck_val = reg_val & (~AW88261_EF_DBMD_MASK); 438 if (efcheck_val == AW88261_OR_VALUE) 439 aw88261->efuse_check = AW88261_EF_OR_CHECK; 440 else 441 aw88261->efuse_check = AW88261_EF_AND_CHECK; 442 } 443 444 /* i2stxen */ 445 if (reg_addr == AW88261_I2SCTRL3_REG) { 446 /* close tx */ 447 reg_val &= AW88261_I2STXEN_MASK; 448 reg_val |= AW88261_I2STXEN_DISABLE_VALUE; 449 } 450 451 if (reg_addr == AW88261_SYSCTRL2_REG) { 452 read_vol = (reg_val & (~AW88261_VOL_MASK)) >> 453 AW88261_VOL_START_BIT; 454 aw_dev->volume_desc.init_volume = 455 REG_VAL_TO_DB(read_vol); 456 } 457 458 if (reg_addr == AW88261_VSNTM1_REG) 459 continue; 460 461 ret = regmap_write(aw_dev->regmap, reg_addr, reg_val); 462 if (ret) 463 break; 464 } 465 466 ret = aw88261_dev_set_vcalb(aw_dev); 467 if (ret) 468 return ret; 469 470 if (aw_dev->prof_cur != aw_dev->prof_index) 471 vol_desc->ctl_volume = 0; 472 473 /* keep min volume */ 474 aw88261_dev_set_volume(aw_dev, vol_desc->mute_volume); 475 476 return ret; 477 } 478 479 static int aw88261_dev_get_prof_name(struct aw_device *aw_dev, int index, char **prof_name) 480 { 481 struct aw_prof_info *prof_info = &aw_dev->prof_info; 482 struct aw_prof_desc *prof_desc; 483 484 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 485 dev_err(aw_dev->dev, "index[%d] overflow count[%d]", 486 index, aw_dev->prof_info.count); 487 return -EINVAL; 488 } 489 490 prof_desc = &aw_dev->prof_info.prof_desc[index]; 491 492 *prof_name = prof_info->prof_name_list[prof_desc->id]; 493 494 return 0; 495 } 496 497 static int aw88261_dev_get_prof_data(struct aw_device *aw_dev, int index, 498 struct aw_prof_desc **prof_desc) 499 { 500 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 501 dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n", 502 __func__, index, aw_dev->prof_info.count); 503 return -EINVAL; 504 } 505 506 *prof_desc = &aw_dev->prof_info.prof_desc[index]; 507 508 return 0; 509 } 510 511 static int aw88261_dev_fw_update(struct aw88261 *aw88261) 512 { 513 struct aw_device *aw_dev = aw88261->aw_pa; 514 struct aw_prof_desc *prof_index_desc; 515 struct aw_sec_data_desc *sec_desc; 516 char *prof_name; 517 int ret; 518 519 ret = aw88261_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name); 520 if (ret) { 521 dev_err(aw_dev->dev, "get prof name failed"); 522 return -EINVAL; 523 } 524 525 dev_dbg(aw_dev->dev, "start update %s", prof_name); 526 527 ret = aw88261_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc); 528 if (ret) 529 return ret; 530 531 /* update reg */ 532 sec_desc = prof_index_desc->sec_desc; 533 ret = aw88261_dev_reg_update(aw88261, sec_desc[AW88395_DATA_TYPE_REG].data, 534 sec_desc[AW88395_DATA_TYPE_REG].len); 535 if (ret) { 536 dev_err(aw_dev->dev, "update reg failed"); 537 return ret; 538 } 539 540 aw_dev->prof_cur = aw_dev->prof_index; 541 542 return ret; 543 } 544 545 static int aw88261_dev_start(struct aw88261 *aw88261) 546 { 547 struct aw_device *aw_dev = aw88261->aw_pa; 548 int ret; 549 550 if (aw_dev->status == AW88261_DEV_PW_ON) { 551 dev_info(aw_dev->dev, "already power on"); 552 return 0; 553 } 554 555 /* power on */ 556 aw88261_dev_pwd(aw_dev, false); 557 usleep_range(AW88261_2000_US, AW88261_2000_US + 10); 558 559 ret = aw88261_dev_check_syspll(aw_dev); 560 if (ret) { 561 dev_err(aw_dev->dev, "pll check failed cannot start"); 562 goto pll_check_fail; 563 } 564 565 /* amppd on */ 566 aw88261_dev_amppd(aw_dev, false); 567 usleep_range(AW88261_1000_US, AW88261_1000_US + 50); 568 569 /* check i2s status */ 570 ret = aw88261_dev_check_sysst(aw_dev); 571 if (ret) { 572 dev_err(aw_dev->dev, "sysst check failed"); 573 goto sysst_check_fail; 574 } 575 576 /* enable tx feedback */ 577 aw88261_dev_i2s_tx_enable(aw_dev, true); 578 579 if (aw88261->amppd_st) 580 aw88261_dev_amppd(aw_dev, true); 581 582 aw88261_reg_force_set(aw88261); 583 584 /* close uls mute */ 585 aw88261_dev_uls_hmute(aw_dev, false); 586 587 /* close mute */ 588 if (!aw88261->mute_st) 589 aw88261_dev_mute(aw_dev, false); 590 591 /* clear inturrupt */ 592 aw88261_dev_clear_int_status(aw_dev); 593 aw_dev->status = AW88261_DEV_PW_ON; 594 595 return 0; 596 597 sysst_check_fail: 598 aw88261_dev_i2s_tx_enable(aw_dev, false); 599 aw88261_dev_clear_int_status(aw_dev); 600 aw88261_dev_amppd(aw_dev, true); 601 pll_check_fail: 602 aw88261_dev_pwd(aw_dev, true); 603 aw_dev->status = AW88261_DEV_PW_OFF; 604 605 return ret; 606 } 607 608 static int aw88261_dev_stop(struct aw_device *aw_dev) 609 { 610 if (aw_dev->status == AW88261_DEV_PW_OFF) { 611 dev_info(aw_dev->dev, "already power off"); 612 return 0; 613 } 614 615 aw_dev->status = AW88261_DEV_PW_OFF; 616 617 /* clear inturrupt */ 618 aw88261_dev_clear_int_status(aw_dev); 619 620 aw88261_dev_uls_hmute(aw_dev, true); 621 /* set mute */ 622 aw88261_dev_mute(aw_dev, true); 623 624 /* close tx feedback */ 625 aw88261_dev_i2s_tx_enable(aw_dev, false); 626 usleep_range(AW88261_1000_US, AW88261_1000_US + 100); 627 628 /* enable amppd */ 629 aw88261_dev_amppd(aw_dev, true); 630 631 /* set power down */ 632 aw88261_dev_pwd(aw_dev, true); 633 634 return 0; 635 } 636 637 static int aw88261_reg_update(struct aw88261 *aw88261, bool force) 638 { 639 struct aw_device *aw_dev = aw88261->aw_pa; 640 int ret; 641 642 if (force) { 643 ret = regmap_write(aw_dev->regmap, 644 AW88261_ID_REG, AW88261_SOFT_RESET_VALUE); 645 if (ret) 646 return ret; 647 648 ret = aw88261_dev_fw_update(aw88261); 649 if (ret) 650 return ret; 651 } else { 652 if (aw_dev->prof_cur != aw_dev->prof_index) { 653 ret = aw88261_dev_fw_update(aw88261); 654 if (ret) 655 return ret; 656 } else { 657 ret = 0; 658 } 659 } 660 661 aw_dev->prof_cur = aw_dev->prof_index; 662 663 return ret; 664 } 665 666 static void aw88261_start_pa(struct aw88261 *aw88261) 667 { 668 int ret, i; 669 670 for (i = 0; i < AW88261_START_RETRIES; i++) { 671 ret = aw88261_reg_update(aw88261, aw88261->phase_sync); 672 if (ret) { 673 dev_err(aw88261->aw_pa->dev, "fw update failed, cnt:%d\n", i); 674 continue; 675 } 676 ret = aw88261_dev_start(aw88261); 677 if (ret) { 678 dev_err(aw88261->aw_pa->dev, "aw88261 device start failed. retry = %d", i); 679 continue; 680 } else { 681 dev_info(aw88261->aw_pa->dev, "start success\n"); 682 break; 683 } 684 } 685 } 686 687 static void aw88261_startup_work(struct work_struct *work) 688 { 689 struct aw88261 *aw88261 = 690 container_of(work, struct aw88261, start_work.work); 691 692 mutex_lock(&aw88261->lock); 693 aw88261_start_pa(aw88261); 694 mutex_unlock(&aw88261->lock); 695 } 696 697 static void aw88261_start(struct aw88261 *aw88261, bool sync_start) 698 { 699 if (aw88261->aw_pa->fw_status != AW88261_DEV_FW_OK) 700 return; 701 702 if (aw88261->aw_pa->status == AW88261_DEV_PW_ON) 703 return; 704 705 if (sync_start == AW88261_SYNC_START) 706 aw88261_start_pa(aw88261); 707 else 708 queue_delayed_work(system_wq, 709 &aw88261->start_work, 710 AW88261_START_WORK_DELAY_MS); 711 } 712 713 static struct snd_soc_dai_driver aw88261_dai[] = { 714 { 715 .name = "aw88261-aif", 716 .id = 1, 717 .playback = { 718 .stream_name = "Speaker_Playback", 719 .channels_min = 1, 720 .channels_max = 2, 721 .rates = AW88261_RATES, 722 .formats = AW88261_FORMATS, 723 }, 724 .capture = { 725 .stream_name = "Speaker_Capture", 726 .channels_min = 1, 727 .channels_max = 2, 728 .rates = AW88261_RATES, 729 .formats = AW88261_FORMATS, 730 }, 731 }, 732 }; 733 734 static int aw88261_get_fade_in_time(struct snd_kcontrol *kcontrol, 735 struct snd_ctl_elem_value *ucontrol) 736 { 737 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 738 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 739 struct aw_device *aw_dev = aw88261->aw_pa; 740 741 ucontrol->value.integer.value[0] = aw_dev->fade_in_time; 742 743 return 0; 744 } 745 746 static int aw88261_set_fade_in_time(struct snd_kcontrol *kcontrol, 747 struct snd_ctl_elem_value *ucontrol) 748 { 749 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 750 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 751 struct soc_mixer_control *mc = 752 (struct soc_mixer_control *)kcontrol->private_value; 753 struct aw_device *aw_dev = aw88261->aw_pa; 754 int time; 755 756 time = ucontrol->value.integer.value[0]; 757 758 if (time < mc->min || time > mc->max) 759 return -EINVAL; 760 761 if (time != aw_dev->fade_in_time) { 762 aw_dev->fade_in_time = time; 763 return 1; 764 } 765 766 return 0; 767 } 768 769 static int aw88261_get_fade_out_time(struct snd_kcontrol *kcontrol, 770 struct snd_ctl_elem_value *ucontrol) 771 { 772 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 773 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 774 struct aw_device *aw_dev = aw88261->aw_pa; 775 776 ucontrol->value.integer.value[0] = aw_dev->fade_out_time; 777 778 return 0; 779 } 780 781 static int aw88261_set_fade_out_time(struct snd_kcontrol *kcontrol, 782 struct snd_ctl_elem_value *ucontrol) 783 { 784 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 785 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 786 struct soc_mixer_control *mc = 787 (struct soc_mixer_control *)kcontrol->private_value; 788 struct aw_device *aw_dev = aw88261->aw_pa; 789 int time; 790 791 time = ucontrol->value.integer.value[0]; 792 if (time < mc->min || time > mc->max) 793 return -EINVAL; 794 795 if (time != aw_dev->fade_out_time) { 796 aw_dev->fade_out_time = time; 797 return 1; 798 } 799 800 return 0; 801 } 802 803 static int aw88261_dev_set_profile_index(struct aw_device *aw_dev, int index) 804 { 805 /* check the index whether is valid */ 806 if ((index >= aw_dev->prof_info.count) || (index < 0)) 807 return -EINVAL; 808 /* check the index whether change */ 809 if (aw_dev->prof_index == index) 810 return -EPERM; 811 812 aw_dev->prof_index = index; 813 814 return 0; 815 } 816 817 static int aw88261_profile_info(struct snd_kcontrol *kcontrol, 818 struct snd_ctl_elem_info *uinfo) 819 { 820 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 821 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 822 char *prof_name, *name; 823 int count, ret; 824 825 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 826 uinfo->count = 1; 827 828 count = aw88261->aw_pa->prof_info.count; 829 if (count <= 0) { 830 uinfo->value.enumerated.items = 0; 831 return 0; 832 } 833 834 uinfo->value.enumerated.items = count; 835 836 if (uinfo->value.enumerated.item >= count) 837 uinfo->value.enumerated.item = count - 1; 838 839 name = uinfo->value.enumerated.name; 840 count = uinfo->value.enumerated.item; 841 842 ret = aw88261_dev_get_prof_name(aw88261->aw_pa, count, &prof_name); 843 if (ret) { 844 strscpy(uinfo->value.enumerated.name, "null", 845 strlen("null") + 1); 846 return 0; 847 } 848 849 strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name)); 850 851 return 0; 852 } 853 854 static int aw88261_profile_get(struct snd_kcontrol *kcontrol, 855 struct snd_ctl_elem_value *ucontrol) 856 { 857 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 858 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 859 860 ucontrol->value.integer.value[0] = aw88261->aw_pa->prof_index; 861 862 return 0; 863 } 864 865 static int aw88261_profile_set(struct snd_kcontrol *kcontrol, 866 struct snd_ctl_elem_value *ucontrol) 867 { 868 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 869 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 870 int ret; 871 872 /* pa stop or stopping just set profile */ 873 mutex_lock(&aw88261->lock); 874 ret = aw88261_dev_set_profile_index(aw88261->aw_pa, ucontrol->value.integer.value[0]); 875 if (ret) { 876 dev_dbg(codec->dev, "profile index does not change"); 877 mutex_unlock(&aw88261->lock); 878 return 0; 879 } 880 881 if (aw88261->aw_pa->status) { 882 aw88261_dev_stop(aw88261->aw_pa); 883 aw88261_start(aw88261, AW88261_SYNC_START); 884 } 885 886 mutex_unlock(&aw88261->lock); 887 888 return 1; 889 } 890 891 static int aw88261_volume_get(struct snd_kcontrol *kcontrol, 892 struct snd_ctl_elem_value *ucontrol) 893 { 894 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 895 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 896 struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; 897 898 ucontrol->value.integer.value[0] = vol_desc->ctl_volume; 899 900 return 0; 901 } 902 903 static int aw88261_volume_set(struct snd_kcontrol *kcontrol, 904 struct snd_ctl_elem_value *ucontrol) 905 { 906 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 907 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 908 struct aw_volume_desc *vol_desc = &aw88261->aw_pa->volume_desc; 909 struct soc_mixer_control *mc = 910 (struct soc_mixer_control *)kcontrol->private_value; 911 int value; 912 913 value = ucontrol->value.integer.value[0]; 914 915 if (value < mc->min || value > mc->max) 916 return -EINVAL; 917 918 if (vol_desc->ctl_volume != value) { 919 vol_desc->ctl_volume = value; 920 aw88261_dev_set_volume(aw88261->aw_pa, vol_desc->ctl_volume); 921 922 return 1; 923 } 924 925 return 0; 926 } 927 928 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_soc_kcontrol_component(kcontrol); 932 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 933 934 ucontrol->value.integer.value[0] = aw88261->aw_pa->fade_step; 935 936 return 0; 937 } 938 939 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_soc_kcontrol_component(kcontrol); 943 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(codec); 944 struct soc_mixer_control *mc = 945 (struct soc_mixer_control *)kcontrol->private_value; 946 int value; 947 948 value = ucontrol->value.integer.value[0]; 949 if (value < mc->min || value > mc->max) 950 return -EINVAL; 951 952 if (aw88261->aw_pa->fade_step != value) { 953 aw88261->aw_pa->fade_step = value; 954 return 1; 955 } 956 957 return 0; 958 } 959 960 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_get_dapm(component); 1137 struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); 1138 int ret; 1139 1140 INIT_DELAYED_WORK(&aw88261->start_work, aw88261_startup_work); 1141 1142 ret = aw88261_request_firmware_file(aw88261); 1143 if (ret) 1144 return dev_err_probe(aw88261->aw_pa->dev, ret, 1145 "aw88261_request_firmware_file failed\n"); 1146 1147 /* add widgets */ 1148 ret = snd_soc_dapm_new_controls(dapm, aw88261_dapm_widgets, 1149 ARRAY_SIZE(aw88261_dapm_widgets)); 1150 if (ret) 1151 return ret; 1152 1153 /* add route */ 1154 ret = snd_soc_dapm_add_routes(dapm, aw88261_audio_map, 1155 ARRAY_SIZE(aw88261_audio_map)); 1156 if (ret) 1157 return ret; 1158 1159 ret = snd_soc_add_component_controls(component, aw88261_controls, 1160 ARRAY_SIZE(aw88261_controls)); 1161 1162 return ret; 1163 } 1164 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 /* read chip id */ 1196 ret = regmap_read(regmap, AW88261_ID_REG, &chip_id); 1197 if (ret) { 1198 dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); 1199 return ret; 1200 } 1201 if (chip_id != AW88261_CHIP_ID) { 1202 dev_err(&i2c->dev, "unsupported device"); 1203 return -ENXIO; 1204 } 1205 1206 dev_info(&i2c->dev, "chip id = %x\n", chip_id); 1207 1208 aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); 1209 if (!aw_dev) 1210 return -ENOMEM; 1211 1212 (*aw88261)->aw_pa = aw_dev; 1213 aw_dev->i2c = i2c; 1214 aw_dev->regmap = regmap; 1215 aw_dev->dev = &i2c->dev; 1216 aw_dev->chip_id = AW88261_CHIP_ID; 1217 aw_dev->acf = NULL; 1218 aw_dev->prof_info.prof_desc = NULL; 1219 aw_dev->prof_info.count = 0; 1220 aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; 1221 aw_dev->channel = 0; 1222 aw_dev->fw_status = AW88261_DEV_FW_FAILED; 1223 aw_dev->fade_step = AW88261_VOLUME_STEP_DB; 1224 aw_dev->volume_desc.ctl_volume = AW88261_VOL_DEFAULT_VALUE; 1225 aw_dev->volume_desc.mute_volume = AW88261_MUTE_VOL; 1226 aw88261_parse_channel_dt(*aw88261); 1227 1228 return ret; 1229 } 1230 1231 static int aw88261_i2c_probe(struct i2c_client *i2c) 1232 { 1233 struct aw88261 *aw88261; 1234 int ret; 1235 1236 ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); 1237 if (!ret) 1238 return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); 1239 1240 aw88261 = devm_kzalloc(&i2c->dev, sizeof(*aw88261), GFP_KERNEL); 1241 if (!aw88261) 1242 return -ENOMEM; 1243 1244 mutex_init(&aw88261->lock); 1245 1246 i2c_set_clientdata(i2c, aw88261); 1247 1248 aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); 1249 if (IS_ERR(aw88261->regmap)) { 1250 ret = PTR_ERR(aw88261->regmap); 1251 return dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); 1252 } 1253 1254 /* aw pa init */ 1255 ret = aw88261_init(&aw88261, i2c, aw88261->regmap); 1256 if (ret) 1257 return ret; 1258 1259 ret = devm_snd_soc_register_component(&i2c->dev, 1260 &soc_codec_dev_aw88261, 1261 aw88261_dai, ARRAY_SIZE(aw88261_dai)); 1262 if (ret) 1263 dev_err(&i2c->dev, "failed to register aw88261: %d", ret); 1264 1265 return ret; 1266 } 1267 1268 static const struct i2c_device_id aw88261_i2c_id[] = { 1269 { AW88261_I2C_NAME, 0 }, 1270 { } 1271 }; 1272 MODULE_DEVICE_TABLE(i2c, aw88261_i2c_id); 1273 1274 static struct i2c_driver aw88261_i2c_driver = { 1275 .driver = { 1276 .name = AW88261_I2C_NAME, 1277 }, 1278 .probe = aw88261_i2c_probe, 1279 .id_table = aw88261_i2c_id, 1280 }; 1281 module_i2c_driver(aw88261_i2c_driver); 1282 1283 MODULE_DESCRIPTION("ASoC AW88261 Smart PA Driver"); 1284 MODULE_LICENSE("GPL v2"); 1285