sound/soc/codecs/aw88261.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // aw88261.c  --  AW88261 ALSA SoC Audio driver
   4 //
   5 // Copyright (c) 2023 awinic Technology CO., LTD
   6 //
   7 // Author: Jimmy Zhang <zhangjianming@awinic.com>
   8 // Author: Weidong Wang <wangweidong.a@awinic.com>
   9 //
  10
  11 #include <linux/i2c.h>
  12 #include <linux/firmware.h>
  13 #include <linux/regmap.h>
  14 #include <sound/soc.h>
  15 #include "aw88261.h"
  16 #include "aw88395/aw88395_data_type.h"
  17 #include "aw88395/aw88395_device.h"
  18
  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, &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, &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, &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, &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, &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, &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, &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, &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, &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, &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 },
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");