1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // aw88399.c -- ALSA SoC AW88399 codec support 4 // 5 // Copyright (c) 2023 AWINIC Technology CO., LTD 6 // 7 // Author: Weidong Wang <wangweidong.a@awinic.com> 8 // 9 10 #include <linux/crc32.h> 11 #include <linux/i2c.h> 12 #include <linux/firmware.h> 13 #include <linux/of_gpio.h> 14 #include <linux/regmap.h> 15 #include <sound/soc.h> 16 #include "aw88399.h" 17 #include "aw88395/aw88395_device.h" 18 19 static const struct regmap_config aw88399_remap_config = { 20 .val_bits = 16, 21 .reg_bits = 8, 22 .max_register = AW88399_REG_MAX, 23 .reg_format_endian = REGMAP_ENDIAN_LITTLE, 24 .val_format_endian = REGMAP_ENDIAN_BIG, 25 }; 26 27 static int aw_dev_dsp_write_16bit(struct aw_device *aw_dev, 28 unsigned short dsp_addr, unsigned int dsp_data) 29 { 30 int ret; 31 32 ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, dsp_addr); 33 if (ret) { 34 dev_err(aw_dev->dev, "%s write addr error, ret=%d", __func__, ret); 35 return ret; 36 } 37 38 ret = regmap_write(aw_dev->regmap, AW88399_DSPMDAT_REG, (u16)dsp_data); 39 if (ret) { 40 dev_err(aw_dev->dev, "%s write data error, ret=%d", __func__, ret); 41 return ret; 42 } 43 44 return 0; 45 } 46 47 static int aw_dev_dsp_read_16bit(struct aw_device *aw_dev, 48 unsigned short dsp_addr, unsigned int *dsp_data) 49 { 50 unsigned int temp_data; 51 int ret; 52 53 ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, dsp_addr); 54 if (ret) { 55 dev_err(aw_dev->dev, "%s write error, ret=%d", __func__, ret); 56 return ret; 57 } 58 59 ret = regmap_read(aw_dev->regmap, AW88399_DSPMDAT_REG, &temp_data); 60 if (ret) { 61 dev_err(aw_dev->dev, "%s read error, ret=%d", __func__, ret); 62 return ret; 63 } 64 *dsp_data = temp_data; 65 66 return 0; 67 } 68 69 static int aw_dev_dsp_read_32bit(struct aw_device *aw_dev, 70 unsigned short dsp_addr, unsigned int *dsp_data) 71 { 72 unsigned int temp_data; 73 int ret; 74 75 ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, dsp_addr); 76 if (ret) { 77 dev_err(aw_dev->dev, "%s write error, ret=%d", __func__, ret); 78 return ret; 79 } 80 81 ret = regmap_read(aw_dev->regmap, AW88399_DSPMDAT_REG, &temp_data); 82 if (ret) { 83 dev_err(aw_dev->dev, "%s read error, ret=%d", __func__, ret); 84 return ret; 85 } 86 *dsp_data = temp_data; 87 88 ret = regmap_read(aw_dev->regmap, AW88399_DSPMDAT_REG, &temp_data); 89 if (ret) { 90 dev_err(aw_dev->dev, "%s read error, ret=%d", __func__, ret); 91 return ret; 92 } 93 *dsp_data |= (temp_data << 16); 94 95 return 0; 96 } 97 98 static int aw_dev_dsp_read(struct aw_device *aw_dev, 99 unsigned short dsp_addr, unsigned int *dsp_data, unsigned char data_type) 100 { 101 u32 reg_value; 102 int ret; 103 104 mutex_lock(&aw_dev->dsp_lock); 105 switch (data_type) { 106 case AW88399_DSP_16_DATA: 107 ret = aw_dev_dsp_read_16bit(aw_dev, dsp_addr, dsp_data); 108 if (ret) 109 dev_err(aw_dev->dev, "read dsp_addr[0x%x] 16-bit dsp_data[0x%x] failed", 110 (u32)dsp_addr, *dsp_data); 111 break; 112 case AW88399_DSP_32_DATA: 113 ret = aw_dev_dsp_read_32bit(aw_dev, dsp_addr, dsp_data); 114 if (ret) 115 dev_err(aw_dev->dev, "read dsp_addr[0x%x] 32r-bit dsp_data[0x%x] failed", 116 (u32)dsp_addr, *dsp_data); 117 break; 118 default: 119 dev_err(aw_dev->dev, "data type[%d] unsupported", data_type); 120 ret = -EINVAL; 121 break; 122 } 123 124 /* clear dsp chip select state */ 125 if (regmap_read(aw_dev->regmap, AW88399_ID_REG, ®_value)) 126 dev_err(aw_dev->dev, "%s fail to clear chip state. ret=%d\n", __func__, ret); 127 mutex_unlock(&aw_dev->dsp_lock); 128 129 return ret; 130 } 131 132 static void aw_dev_pwd(struct aw_device *aw_dev, bool pwd) 133 { 134 int ret; 135 136 if (pwd) 137 ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 138 ~AW88399_PWDN_MASK, AW88399_PWDN_POWER_DOWN_VALUE); 139 else 140 ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 141 ~AW88399_PWDN_MASK, AW88399_PWDN_WORKING_VALUE); 142 143 if (ret) 144 dev_dbg(aw_dev->dev, "%s failed", __func__); 145 } 146 147 static void aw_dev_get_int_status(struct aw_device *aw_dev, unsigned short *int_status) 148 { 149 unsigned int reg_val; 150 int ret; 151 152 ret = regmap_read(aw_dev->regmap, AW88399_SYSINT_REG, ®_val); 153 if (ret) 154 dev_err(aw_dev->dev, "read interrupt reg fail, ret=%d", ret); 155 else 156 *int_status = reg_val; 157 158 dev_dbg(aw_dev->dev, "read interrupt reg=0x%04x", *int_status); 159 } 160 161 static void aw_dev_clear_int_status(struct aw_device *aw_dev) 162 { 163 u16 int_status; 164 165 /* read int status and clear */ 166 aw_dev_get_int_status(aw_dev, &int_status); 167 /* make sure int status is clear */ 168 aw_dev_get_int_status(aw_dev, &int_status); 169 if (int_status) 170 dev_dbg(aw_dev->dev, "int status(%d) is not cleaned.\n", int_status); 171 } 172 173 static int aw_dev_get_iis_status(struct aw_device *aw_dev) 174 { 175 unsigned int reg_val; 176 int ret; 177 178 ret = regmap_read(aw_dev->regmap, AW88399_SYSST_REG, ®_val); 179 if (ret) 180 return ret; 181 if ((reg_val & AW88399_BIT_PLL_CHECK) != AW88399_BIT_PLL_CHECK) { 182 dev_err(aw_dev->dev, "check pll lock fail, reg_val:0x%04x", reg_val); 183 return -EINVAL; 184 } 185 186 return 0; 187 } 188 189 static int aw_dev_check_mode1_pll(struct aw_device *aw_dev) 190 { 191 int ret, i; 192 193 for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) { 194 ret = aw_dev_get_iis_status(aw_dev); 195 if (ret) { 196 dev_err(aw_dev->dev, "mode1 iis signal check error"); 197 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 198 } else { 199 return 0; 200 } 201 } 202 203 return -EPERM; 204 } 205 206 static int aw_dev_check_mode2_pll(struct aw_device *aw_dev) 207 { 208 unsigned int reg_val; 209 int ret, i; 210 211 ret = regmap_read(aw_dev->regmap, AW88399_PLLCTRL2_REG, ®_val); 212 if (ret) 213 return ret; 214 215 reg_val &= (~AW88399_CCO_MUX_MASK); 216 if (reg_val == AW88399_CCO_MUX_DIVIDED_VALUE) { 217 dev_dbg(aw_dev->dev, "CCO_MUX is already divider"); 218 return -EPERM; 219 } 220 221 /* change mode2 */ 222 ret = regmap_update_bits(aw_dev->regmap, AW88399_PLLCTRL2_REG, 223 ~AW88399_CCO_MUX_MASK, AW88399_CCO_MUX_DIVIDED_VALUE); 224 if (ret) 225 return ret; 226 227 for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) { 228 ret = aw_dev_get_iis_status(aw_dev); 229 if (ret) { 230 dev_err(aw_dev->dev, "mode2 iis signal check error"); 231 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 232 } else { 233 break; 234 } 235 } 236 237 /* change mode1 */ 238 regmap_update_bits(aw_dev->regmap, AW88399_PLLCTRL2_REG, 239 ~AW88399_CCO_MUX_MASK, AW88399_CCO_MUX_BYPASS_VALUE); 240 if (ret == 0) { 241 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 242 for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) { 243 ret = aw_dev_get_iis_status(aw_dev); 244 if (ret) { 245 dev_err(aw_dev->dev, "mode2 switch to mode1, iis signal check error"); 246 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 247 } else { 248 break; 249 } 250 } 251 } 252 253 return ret; 254 } 255 256 static int aw_dev_check_syspll(struct aw_device *aw_dev) 257 { 258 int ret; 259 260 ret = aw_dev_check_mode1_pll(aw_dev); 261 if (ret) { 262 dev_dbg(aw_dev->dev, "mode1 check iis failed try switch to mode2 check"); 263 ret = aw_dev_check_mode2_pll(aw_dev); 264 if (ret) { 265 dev_err(aw_dev->dev, "mode2 check iis failed"); 266 return ret; 267 } 268 } 269 270 return 0; 271 } 272 273 static int aw_dev_check_sysst(struct aw_device *aw_dev) 274 { 275 unsigned int check_val; 276 unsigned int reg_val; 277 int ret, i; 278 279 ret = regmap_read(aw_dev->regmap, AW88399_PWMCTRL3_REG, ®_val); 280 if (ret) 281 return ret; 282 283 if (reg_val & (~AW88399_NOISE_GATE_EN_MASK)) 284 check_val = AW88399_BIT_SYSST_NOSWS_CHECK; 285 else 286 check_val = AW88399_BIT_SYSST_SWS_CHECK; 287 288 for (i = 0; i < AW88399_DEV_SYSST_CHECK_MAX; i++) { 289 ret = regmap_read(aw_dev->regmap, AW88399_SYSST_REG, ®_val); 290 if (ret) 291 return ret; 292 293 if ((reg_val & (~AW88399_BIT_SYSST_CHECK_MASK) & check_val) != check_val) { 294 dev_err(aw_dev->dev, "check sysst fail, cnt=%d, reg_val=0x%04x, check:0x%x", 295 i, reg_val, AW88399_BIT_SYSST_NOSWS_CHECK); 296 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 297 } else { 298 return 0; 299 } 300 } 301 302 return -EPERM; 303 } 304 305 static void aw_dev_amppd(struct aw_device *aw_dev, bool amppd) 306 { 307 int ret; 308 309 if (amppd) 310 ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 311 ~AW88399_AMPPD_MASK, AW88399_AMPPD_POWER_DOWN_VALUE); 312 else 313 ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 314 ~AW88399_AMPPD_MASK, AW88399_AMPPD_WORKING_VALUE); 315 316 if (ret) 317 dev_dbg(aw_dev->dev, "%s failed", __func__); 318 } 319 320 static void aw_dev_dsp_enable(struct aw_device *aw_dev, bool is_enable) 321 { 322 int ret; 323 324 if (is_enable) 325 ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 326 ~AW88399_DSPBY_MASK, AW88399_DSPBY_WORKING_VALUE); 327 else 328 ret = regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 329 ~AW88399_DSPBY_MASK, AW88399_DSPBY_BYPASS_VALUE); 330 331 if (ret) 332 dev_dbg(aw_dev->dev, "%s failed\n", __func__); 333 } 334 335 static int aw88399_dev_get_icalk(struct aw88399 *aw88399, int16_t *icalk) 336 { 337 uint16_t icalkh_val, icalkl_val, icalk_val; 338 struct aw_device *aw_dev = aw88399->aw_pa; 339 unsigned int reg_val; 340 int ret; 341 342 ret = regmap_read(aw_dev->regmap, AW88399_EFRH4_REG, ®_val); 343 if (ret) 344 return ret; 345 icalkh_val = reg_val & (~AW88399_EF_ISN_GESLP_H_MASK); 346 347 ret = regmap_read(aw_dev->regmap, AW88399_EFRL4_REG, ®_val); 348 if (ret) 349 return ret; 350 icalkl_val = reg_val & (~AW88399_EF_ISN_GESLP_L_MASK); 351 352 if (aw88399->check_val == AW_EF_AND_CHECK) 353 icalk_val = icalkh_val & icalkl_val; 354 else 355 icalk_val = icalkh_val | icalkl_val; 356 357 if (icalk_val & (~AW88399_EF_ISN_GESLP_SIGN_MASK)) 358 icalk_val = icalk_val | AW88399_EF_ISN_GESLP_SIGN_NEG; 359 *icalk = (int16_t)icalk_val; 360 361 return 0; 362 } 363 364 static int aw88399_dev_get_vcalk(struct aw88399 *aw88399, int16_t *vcalk) 365 { 366 uint16_t vcalkh_val, vcalkl_val, vcalk_val; 367 struct aw_device *aw_dev = aw88399->aw_pa; 368 unsigned int reg_val; 369 int ret; 370 371 ret = regmap_read(aw_dev->regmap, AW88399_EFRH3_REG, ®_val); 372 if (ret) 373 return ret; 374 375 vcalkh_val = reg_val & (~AW88399_EF_VSN_GESLP_H_MASK); 376 377 ret = regmap_read(aw_dev->regmap, AW88399_EFRL3_REG, ®_val); 378 if (ret) 379 return ret; 380 381 vcalkl_val = reg_val & (~AW88399_EF_VSN_GESLP_L_MASK); 382 383 if (aw88399->check_val == AW_EF_AND_CHECK) 384 vcalk_val = vcalkh_val & vcalkl_val; 385 else 386 vcalk_val = vcalkh_val | vcalkl_val; 387 388 if (vcalk_val & AW88399_EF_VSN_GESLP_SIGN_MASK) 389 vcalk_val = vcalk_val | AW88399_EF_VSN_GESLP_SIGN_NEG; 390 *vcalk = (int16_t)vcalk_val; 391 392 return 0; 393 } 394 395 static int aw88399_dev_get_internal_vcalk(struct aw88399 *aw88399, int16_t *vcalk) 396 { 397 uint16_t vcalkh_val, vcalkl_val, vcalk_val; 398 struct aw_device *aw_dev = aw88399->aw_pa; 399 unsigned int reg_val; 400 int ret; 401 402 ret = regmap_read(aw_dev->regmap, AW88399_EFRH2_REG, ®_val); 403 if (ret) 404 return ret; 405 vcalkh_val = reg_val & (~AW88399_INTERNAL_VSN_TRIM_H_MASK); 406 407 ret = regmap_read(aw_dev->regmap, AW88399_EFRL2_REG, ®_val); 408 if (ret) 409 return ret; 410 vcalkl_val = reg_val & (~AW88399_INTERNAL_VSN_TRIM_L_MASK); 411 412 if (aw88399->check_val == AW_EF_AND_CHECK) 413 vcalk_val = (vcalkh_val >> AW88399_INTERNAL_VSN_TRIM_H_START_BIT) & 414 (vcalkl_val >> AW88399_INTERNAL_VSN_TRIM_L_START_BIT); 415 else 416 vcalk_val = (vcalkh_val >> AW88399_INTERNAL_VSN_TRIM_H_START_BIT) | 417 (vcalkl_val >> AW88399_INTERNAL_VSN_TRIM_L_START_BIT); 418 419 if (vcalk_val & (~AW88399_TEM4_SIGN_MASK)) 420 vcalk_val = vcalk_val | AW88399_TEM4_SIGN_NEG; 421 422 *vcalk = (int16_t)vcalk_val; 423 424 return 0; 425 } 426 427 static int aw_dev_set_vcalb(struct aw88399 *aw88399) 428 { 429 struct aw_device *aw_dev = aw88399->aw_pa; 430 unsigned int vsense_select, vsense_value; 431 int32_t ical_k, vcal_k, vcalb; 432 int16_t icalk, vcalk; 433 uint16_t reg_val; 434 int ret; 435 436 ret = regmap_read(aw_dev->regmap, AW88399_VSNCTRL1_REG, &vsense_value); 437 if (ret) 438 return ret; 439 440 vsense_select = vsense_value & (~AW88399_VDSEL_MASK); 441 442 ret = aw88399_dev_get_icalk(aw88399, &icalk); 443 if (ret) { 444 dev_err(aw_dev->dev, "get icalk failed\n"); 445 return ret; 446 } 447 448 ical_k = icalk * AW88399_ICABLK_FACTOR + AW88399_CABL_BASE_VALUE; 449 450 switch (vsense_select) { 451 case AW88399_DEV_VDSEL_VSENSE: 452 ret = aw88399_dev_get_vcalk(aw88399, &vcalk); 453 vcal_k = vcalk * AW88399_VCABLK_FACTOR + AW88399_CABL_BASE_VALUE; 454 vcalb = AW88399_VCALB_ACCURACY * AW88399_VSCAL_FACTOR / AW88399_ISCAL_FACTOR / 455 ical_k / vcal_k * aw88399->vcalb_init_val; 456 break; 457 case AW88399_DEV_VDSEL_DAC: 458 ret = aw88399_dev_get_internal_vcalk(aw88399, &vcalk); 459 vcal_k = vcalk * AW88399_VCABLK_DAC_FACTOR + AW88399_CABL_BASE_VALUE; 460 vcalb = AW88399_VCALB_ACCURACY * AW88399_VSCAL_DAC_FACTOR / 461 AW88399_ISCAL_DAC_FACTOR / ical_k / 462 vcal_k * aw88399->vcalb_init_val; 463 break; 464 default: 465 dev_err(aw_dev->dev, "%s: unsupport vsense\n", __func__); 466 ret = -EINVAL; 467 break; 468 } 469 if (ret) 470 return ret; 471 472 vcalb = vcalb >> AW88399_VCALB_ADJ_FACTOR; 473 reg_val = (uint32_t)vcalb; 474 475 regmap_write(aw_dev->regmap, AW88399_DSPVCALB_REG, reg_val); 476 477 return 0; 478 } 479 480 static int aw_dev_update_cali_re(struct aw_cali_desc *cali_desc) 481 { 482 struct aw_device *aw_dev = 483 container_of(cali_desc, struct aw_device, cali_desc); 484 uint16_t re_lbits, re_hbits; 485 u32 cali_re; 486 int ret; 487 488 if ((aw_dev->cali_desc.cali_re >= AW88399_CALI_RE_MAX) || 489 (aw_dev->cali_desc.cali_re <= AW88399_CALI_RE_MIN)) 490 return -EINVAL; 491 492 cali_re = AW88399_SHOW_RE_TO_DSP_RE((aw_dev->cali_desc.cali_re + 493 aw_dev->cali_desc.ra), AW88399_DSP_RE_SHIFT); 494 495 re_hbits = (cali_re & (~AW88399_CALI_RE_HBITS_MASK)) >> AW88399_CALI_RE_HBITS_SHIFT; 496 re_lbits = (cali_re & (~AW88399_CALI_RE_LBITS_MASK)) >> AW88399_CALI_RE_LBITS_SHIFT; 497 498 ret = regmap_write(aw_dev->regmap, AW88399_ACR1_REG, re_hbits); 499 if (ret) { 500 dev_err(aw_dev->dev, "set cali re error"); 501 return ret; 502 } 503 504 ret = regmap_write(aw_dev->regmap, AW88399_ACR2_REG, re_lbits); 505 if (ret) 506 dev_err(aw_dev->dev, "set cali re error"); 507 508 return ret; 509 } 510 511 static int aw_dev_fw_crc_check(struct aw_device *aw_dev) 512 { 513 uint16_t check_val, fw_len_val; 514 unsigned int reg_val; 515 int ret; 516 517 /* calculate fw_end_addr */ 518 fw_len_val = ((aw_dev->dsp_fw_len / AW_FW_ADDR_LEN) - 1) + AW88399_CRC_FW_BASE_ADDR; 519 520 /* write fw_end_addr to crc_end_addr */ 521 ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG, 522 ~AW88399_CRC_END_ADDR_MASK, fw_len_val); 523 if (ret) 524 return ret; 525 /* enable fw crc check */ 526 ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG, 527 ~AW88399_CRC_CODE_EN_MASK, AW88399_CRC_CODE_EN_ENABLE_VALUE); 528 529 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 530 531 /* read crc check result */ 532 regmap_read(aw_dev->regmap, AW88399_HAGCST_REG, ®_val); 533 if (ret) 534 return ret; 535 536 check_val = (reg_val & (~AW88399_CRC_CHECK_BITS_MASK)) >> AW88399_CRC_CHECK_START_BIT; 537 538 /* disable fw crc check */ 539 ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG, 540 ~AW88399_CRC_CODE_EN_MASK, AW88399_CRC_CODE_EN_DISABLE_VALUE); 541 if (ret) 542 return ret; 543 544 if (check_val != AW88399_CRC_CHECK_PASS_VAL) { 545 dev_err(aw_dev->dev, "%s failed, check_val 0x%x != 0x%x", 546 __func__, check_val, AW88399_CRC_CHECK_PASS_VAL); 547 ret = -EINVAL; 548 } 549 550 return ret; 551 } 552 553 static int aw_dev_cfg_crc_check(struct aw_device *aw_dev) 554 { 555 uint16_t check_val, cfg_len_val; 556 unsigned int reg_val; 557 int ret; 558 559 /* calculate cfg end addr */ 560 cfg_len_val = ((aw_dev->dsp_cfg_len / AW_FW_ADDR_LEN) - 1) + AW88399_CRC_CFG_BASE_ADDR; 561 562 /* write cfg_end_addr to crc_end_addr */ 563 ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG, 564 ~AW88399_CRC_END_ADDR_MASK, cfg_len_val); 565 if (ret) 566 return ret; 567 568 /* enable cfg crc check */ 569 ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG, 570 ~AW88399_CRC_CFG_EN_MASK, AW88399_CRC_CFG_EN_ENABLE_VALUE); 571 if (ret) 572 return ret; 573 574 usleep_range(AW88399_1000_US, AW88399_1000_US + 10); 575 576 /* read crc check result */ 577 ret = regmap_read(aw_dev->regmap, AW88399_HAGCST_REG, ®_val); 578 if (ret) 579 return ret; 580 581 check_val = (reg_val & (~AW88399_CRC_CHECK_BITS_MASK)) >> AW88399_CRC_CHECK_START_BIT; 582 583 /* disable cfg crc check */ 584 ret = regmap_update_bits(aw_dev->regmap, AW88399_CRCCTRL_REG, 585 ~AW88399_CRC_CFG_EN_MASK, AW88399_CRC_CFG_EN_DISABLE_VALUE); 586 if (ret) 587 return ret; 588 589 if (check_val != AW88399_CRC_CHECK_PASS_VAL) { 590 dev_err(aw_dev->dev, "crc_check failed, check val 0x%x != 0x%x", 591 check_val, AW88399_CRC_CHECK_PASS_VAL); 592 ret = -EINVAL; 593 } 594 595 return ret; 596 } 597 598 static int aw_dev_hw_crc_check(struct aw88399 *aw88399) 599 { 600 struct aw_device *aw_dev = aw88399->aw_pa; 601 int ret; 602 603 ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG, 604 ~AW88399_RAM_CG_BYP_MASK, AW88399_RAM_CG_BYP_BYPASS_VALUE); 605 if (ret) 606 return ret; 607 608 ret = aw_dev_fw_crc_check(aw_dev); 609 if (ret) { 610 dev_err(aw_dev->dev, "fw_crc_check failed\n"); 611 goto crc_check_failed; 612 } 613 614 ret = aw_dev_cfg_crc_check(aw_dev); 615 if (ret) { 616 dev_err(aw_dev->dev, "cfg_crc_check failed\n"); 617 goto crc_check_failed; 618 } 619 620 ret = regmap_write(aw_dev->regmap, AW88399_CRCCTRL_REG, aw88399->crc_init_val); 621 if (ret) 622 return ret; 623 624 ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG, 625 ~AW88399_RAM_CG_BYP_MASK, AW88399_RAM_CG_BYP_WORK_VALUE); 626 627 return ret; 628 629 crc_check_failed: 630 regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG, 631 ~AW88399_RAM_CG_BYP_MASK, AW88399_RAM_CG_BYP_WORK_VALUE); 632 return ret; 633 } 634 635 static void aw_dev_i2s_tx_enable(struct aw_device *aw_dev, bool flag) 636 { 637 int ret; 638 639 if (flag) 640 ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCTRL3_REG, 641 ~AW88399_I2STXEN_MASK, AW88399_I2STXEN_ENABLE_VALUE); 642 else 643 ret = regmap_update_bits(aw_dev->regmap, AW88399_I2SCFG1_REG, 644 ~AW88399_I2STXEN_MASK, AW88399_I2STXEN_DISABLE_VALUE); 645 646 if (ret) 647 dev_dbg(aw_dev->dev, "%s failed", __func__); 648 } 649 650 static int aw_dev_get_dsp_status(struct aw_device *aw_dev) 651 { 652 unsigned int reg_val; 653 int ret; 654 655 ret = regmap_read(aw_dev->regmap, AW88399_WDT_REG, ®_val); 656 if (ret) 657 return ret; 658 if (!(reg_val & (~AW88399_WDT_CNT_MASK))) 659 ret = -EPERM; 660 661 return 0; 662 } 663 664 static int aw_dev_dsp_check(struct aw_device *aw_dev) 665 { 666 int ret, i; 667 668 switch (aw_dev->dsp_cfg) { 669 case AW88399_DEV_DSP_BYPASS: 670 dev_dbg(aw_dev->dev, "dsp bypass"); 671 ret = 0; 672 break; 673 case AW88399_DEV_DSP_WORK: 674 aw_dev_dsp_enable(aw_dev, false); 675 aw_dev_dsp_enable(aw_dev, true); 676 usleep_range(AW88399_1000_US, AW88399_1000_US + 10); 677 for (i = 0; i < AW88399_DEV_DSP_CHECK_MAX; i++) { 678 ret = aw_dev_get_dsp_status(aw_dev); 679 if (ret) { 680 dev_err(aw_dev->dev, "dsp wdt status error=%d", ret); 681 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 682 } 683 } 684 break; 685 default: 686 dev_err(aw_dev->dev, "unknown dsp cfg=%d", aw_dev->dsp_cfg); 687 ret = -EINVAL; 688 break; 689 } 690 691 return ret; 692 } 693 694 static int aw_dev_set_volume(struct aw_device *aw_dev, unsigned int value) 695 { 696 struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; 697 unsigned int reg_value; 698 u16 real_value; 699 int ret; 700 701 real_value = min((value + vol_desc->init_volume), (unsigned int)AW88399_MUTE_VOL); 702 703 ret = regmap_read(aw_dev->regmap, AW88399_SYSCTRL2_REG, ®_value); 704 if (ret) 705 return ret; 706 707 dev_dbg(aw_dev->dev, "value 0x%x , reg:0x%x", value, real_value); 708 709 real_value = (real_value << AW88399_VOL_START_BIT) | (reg_value & AW88399_VOL_MASK); 710 711 ret = regmap_write(aw_dev->regmap, AW88399_SYSCTRL2_REG, real_value); 712 713 return ret; 714 } 715 716 static void aw_dev_fade_in(struct aw_device *aw_dev) 717 { 718 struct aw_volume_desc *desc = &aw_dev->volume_desc; 719 u16 fade_in_vol = desc->ctl_volume; 720 int fade_step = aw_dev->fade_step; 721 int i; 722 723 if (fade_step == 0 || aw_dev->fade_in_time == 0) { 724 aw_dev_set_volume(aw_dev, fade_in_vol); 725 return; 726 } 727 728 for (i = AW88399_MUTE_VOL; i >= fade_in_vol; i -= fade_step) { 729 aw_dev_set_volume(aw_dev, i); 730 usleep_range(aw_dev->fade_in_time, aw_dev->fade_in_time + 10); 731 } 732 733 if (i != fade_in_vol) 734 aw_dev_set_volume(aw_dev, fade_in_vol); 735 } 736 737 static void aw_dev_fade_out(struct aw_device *aw_dev) 738 { 739 struct aw_volume_desc *desc = &aw_dev->volume_desc; 740 int fade_step = aw_dev->fade_step; 741 int i; 742 743 if (fade_step == 0 || aw_dev->fade_out_time == 0) { 744 aw_dev_set_volume(aw_dev, AW88399_MUTE_VOL); 745 return; 746 } 747 748 for (i = desc->ctl_volume; i <= AW88399_MUTE_VOL; i += fade_step) { 749 aw_dev_set_volume(aw_dev, i); 750 usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); 751 } 752 753 if (i != AW88399_MUTE_VOL) { 754 aw_dev_set_volume(aw_dev, AW88399_MUTE_VOL); 755 usleep_range(aw_dev->fade_out_time, aw_dev->fade_out_time + 10); 756 } 757 } 758 759 static void aw88399_dev_mute(struct aw_device *aw_dev, bool is_mute) 760 { 761 if (is_mute) { 762 aw_dev_fade_out(aw_dev); 763 regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 764 ~AW88399_HMUTE_MASK, AW88399_HMUTE_ENABLE_VALUE); 765 } else { 766 regmap_update_bits(aw_dev->regmap, AW88399_SYSCTRL_REG, 767 ~AW88399_HMUTE_MASK, AW88399_HMUTE_DISABLE_VALUE); 768 aw_dev_fade_in(aw_dev); 769 } 770 } 771 772 static void aw88399_dev_set_dither(struct aw88399 *aw88399, bool dither) 773 { 774 struct aw_device *aw_dev = aw88399->aw_pa; 775 776 if (dither) 777 regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG, 778 ~AW88399_DITHER_EN_MASK, AW88399_DITHER_EN_ENABLE_VALUE); 779 else 780 regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG, 781 ~AW88399_DITHER_EN_MASK, AW88399_DITHER_EN_DISABLE_VALUE); 782 } 783 784 static int aw88399_dev_start(struct aw88399 *aw88399) 785 { 786 struct aw_device *aw_dev = aw88399->aw_pa; 787 int ret; 788 789 if (aw_dev->status == AW88399_DEV_PW_ON) { 790 dev_dbg(aw_dev->dev, "already power on"); 791 return 0; 792 } 793 794 aw88399_dev_set_dither(aw88399, false); 795 796 /* power on */ 797 aw_dev_pwd(aw_dev, false); 798 usleep_range(AW88399_2000_US, AW88399_2000_US + 10); 799 800 ret = aw_dev_check_syspll(aw_dev); 801 if (ret) { 802 dev_err(aw_dev->dev, "pll check failed cannot start"); 803 goto pll_check_fail; 804 } 805 806 /* amppd on */ 807 aw_dev_amppd(aw_dev, false); 808 usleep_range(AW88399_1000_US, AW88399_1000_US + 50); 809 810 /* check i2s status */ 811 ret = aw_dev_check_sysst(aw_dev); 812 if (ret) { 813 dev_err(aw_dev->dev, "sysst check failed"); 814 goto sysst_check_fail; 815 } 816 817 if (aw_dev->dsp_cfg == AW88399_DEV_DSP_WORK) { 818 ret = aw_dev_hw_crc_check(aw88399); 819 if (ret) { 820 dev_err(aw_dev->dev, "dsp crc check failed"); 821 goto crc_check_fail; 822 } 823 aw_dev_dsp_enable(aw_dev, false); 824 aw_dev_set_vcalb(aw88399); 825 aw_dev_update_cali_re(&aw_dev->cali_desc); 826 827 ret = aw_dev_dsp_check(aw_dev); 828 if (ret) { 829 dev_err(aw_dev->dev, "dsp status check failed"); 830 goto dsp_check_fail; 831 } 832 } else { 833 dev_dbg(aw_dev->dev, "start pa with dsp bypass"); 834 } 835 836 /* enable tx feedback */ 837 aw_dev_i2s_tx_enable(aw_dev, true); 838 839 if (aw88399->dither_st == AW88399_DITHER_EN_ENABLE_VALUE) 840 aw88399_dev_set_dither(aw88399, true); 841 842 /* close mute */ 843 aw88399_dev_mute(aw_dev, false); 844 /* clear inturrupt */ 845 aw_dev_clear_int_status(aw_dev); 846 aw_dev->status = AW88399_DEV_PW_ON; 847 848 return 0; 849 850 dsp_check_fail: 851 crc_check_fail: 852 aw_dev_dsp_enable(aw_dev, false); 853 sysst_check_fail: 854 aw_dev_clear_int_status(aw_dev); 855 aw_dev_amppd(aw_dev, true); 856 pll_check_fail: 857 aw_dev_pwd(aw_dev, true); 858 aw_dev->status = AW88399_DEV_PW_OFF; 859 860 return ret; 861 } 862 863 static int aw_dev_dsp_update_container(struct aw_device *aw_dev, 864 unsigned char *data, unsigned int len, unsigned short base) 865 { 866 u32 tmp_len; 867 int i, ret; 868 869 mutex_lock(&aw_dev->dsp_lock); 870 ret = regmap_write(aw_dev->regmap, AW88399_DSPMADD_REG, base); 871 if (ret) 872 goto error_operation; 873 874 for (i = 0; i < len; i += AW88399_MAX_RAM_WRITE_BYTE_SIZE) { 875 if ((len - i) < AW88399_MAX_RAM_WRITE_BYTE_SIZE) 876 tmp_len = len - i; 877 else 878 tmp_len = AW88399_MAX_RAM_WRITE_BYTE_SIZE; 879 880 ret = regmap_raw_write(aw_dev->regmap, AW88399_DSPMDAT_REG, 881 &data[i], tmp_len); 882 if (ret) 883 goto error_operation; 884 } 885 mutex_unlock(&aw_dev->dsp_lock); 886 887 return 0; 888 889 error_operation: 890 mutex_unlock(&aw_dev->dsp_lock); 891 return ret; 892 } 893 894 static int aw_dev_get_ra(struct aw_cali_desc *cali_desc) 895 { 896 struct aw_device *aw_dev = 897 container_of(cali_desc, struct aw_device, cali_desc); 898 u32 dsp_ra; 899 int ret; 900 901 ret = aw_dev_dsp_read(aw_dev, AW88399_DSP_REG_CFG_ADPZ_RA, 902 &dsp_ra, AW88399_DSP_32_DATA); 903 if (ret) { 904 dev_err(aw_dev->dev, "read ra error"); 905 return ret; 906 } 907 908 cali_desc->ra = AW88399_DSP_RE_TO_SHOW_RE(dsp_ra, 909 AW88399_DSP_RE_SHIFT); 910 911 return 0; 912 } 913 914 static int aw_dev_dsp_update_cfg(struct aw_device *aw_dev, 915 unsigned char *data, unsigned int len) 916 { 917 int ret; 918 919 dev_dbg(aw_dev->dev, "dsp config len:%d", len); 920 921 if (!len || !data) { 922 dev_err(aw_dev->dev, "dsp config data is null or len is 0"); 923 return -EINVAL; 924 } 925 926 ret = aw_dev_dsp_update_container(aw_dev, data, len, AW88399_DSP_CFG_ADDR); 927 if (ret) 928 return ret; 929 930 aw_dev->dsp_cfg_len = len; 931 932 ret = aw_dev_get_ra(&aw_dev->cali_desc); 933 934 return ret; 935 } 936 937 static int aw_dev_dsp_update_fw(struct aw_device *aw_dev, 938 unsigned char *data, unsigned int len) 939 { 940 int ret; 941 942 dev_dbg(aw_dev->dev, "dsp firmware len:%d", len); 943 944 if (!len || !data) { 945 dev_err(aw_dev->dev, "dsp firmware data is null or len is 0"); 946 return -EINVAL; 947 } 948 949 aw_dev->dsp_fw_len = len; 950 ret = aw_dev_dsp_update_container(aw_dev, data, len, AW88399_DSP_FW_ADDR); 951 952 return ret; 953 } 954 955 static int aw_dev_check_sram(struct aw_device *aw_dev) 956 { 957 unsigned int reg_val; 958 959 mutex_lock(&aw_dev->dsp_lock); 960 /* read dsp_rom_check_reg */ 961 aw_dev_dsp_read_16bit(aw_dev, AW88399_DSP_ROM_CHECK_ADDR, ®_val); 962 if (reg_val != AW88399_DSP_ROM_CHECK_DATA) { 963 dev_err(aw_dev->dev, "check dsp rom failed, read[0x%x] != check[0x%x]", 964 reg_val, AW88399_DSP_ROM_CHECK_DATA); 965 goto error; 966 } 967 968 /* check dsp_cfg_base_addr */ 969 aw_dev_dsp_write_16bit(aw_dev, AW88399_DSP_CFG_ADDR, AW88399_DSP_ODD_NUM_BIT_TEST); 970 aw_dev_dsp_read_16bit(aw_dev, AW88399_DSP_CFG_ADDR, ®_val); 971 if (reg_val != AW88399_DSP_ODD_NUM_BIT_TEST) { 972 dev_err(aw_dev->dev, "check dsp cfg failed, read[0x%x] != write[0x%x]", 973 reg_val, AW88399_DSP_ODD_NUM_BIT_TEST); 974 goto error; 975 } 976 mutex_unlock(&aw_dev->dsp_lock); 977 978 return 0; 979 error: 980 mutex_unlock(&aw_dev->dsp_lock); 981 return -EPERM; 982 } 983 984 static void aw_dev_select_memclk(struct aw_device *aw_dev, unsigned char flag) 985 { 986 int ret; 987 988 switch (flag) { 989 case AW88399_DEV_MEMCLK_PLL: 990 ret = regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG, 991 ~AW88399_MEM_CLKSEL_MASK, 992 AW88399_MEM_CLKSEL_DAPHCLK_VALUE); 993 if (ret) 994 dev_err(aw_dev->dev, "memclk select pll failed"); 995 break; 996 case AW88399_DEV_MEMCLK_OSC: 997 ret = regmap_update_bits(aw_dev->regmap, AW88399_DBGCTRL_REG, 998 ~AW88399_MEM_CLKSEL_MASK, 999 AW88399_MEM_CLKSEL_OSCCLK_VALUE); 1000 if (ret) 1001 dev_err(aw_dev->dev, "memclk select OSC failed"); 1002 break; 1003 default: 1004 dev_err(aw_dev->dev, "unknown memclk config, flag=0x%x", flag); 1005 break; 1006 } 1007 } 1008 1009 static void aw_dev_get_cur_mode_st(struct aw_device *aw_dev) 1010 { 1011 struct aw_profctrl_desc *profctrl_desc = &aw_dev->profctrl_desc; 1012 unsigned int reg_val; 1013 int ret; 1014 1015 ret = regmap_read(aw_dev->regmap, AW88399_SYSCTRL_REG, ®_val); 1016 if (ret) { 1017 dev_dbg(aw_dev->dev, "%s failed", __func__); 1018 return; 1019 } 1020 if ((reg_val & (~AW88399_RCV_MODE_MASK)) == AW88399_RCV_MODE_RECEIVER_VALUE) 1021 profctrl_desc->cur_mode = AW88399_RCV_MODE; 1022 else 1023 profctrl_desc->cur_mode = AW88399_NOT_RCV_MODE; 1024 } 1025 1026 static int aw_dev_update_reg_container(struct aw88399 *aw88399, 1027 unsigned char *data, unsigned int len) 1028 { 1029 struct aw_device *aw_dev = aw88399->aw_pa; 1030 struct aw_volume_desc *vol_desc = &aw_dev->volume_desc; 1031 u16 read_vol, reg_val; 1032 int data_len, i, ret; 1033 int16_t *reg_data; 1034 u8 reg_addr; 1035 1036 reg_data = (int16_t *)data; 1037 data_len = len >> 1; 1038 1039 if (data_len & 0x1) { 1040 dev_err(aw_dev->dev, "data len:%d unsupported", data_len); 1041 return -EINVAL; 1042 } 1043 1044 for (i = 0; i < data_len; i += 2) { 1045 reg_addr = reg_data[i]; 1046 reg_val = reg_data[i + 1]; 1047 1048 if (reg_addr == AW88399_DSPVCALB_REG) { 1049 aw88399->vcalb_init_val = reg_val; 1050 continue; 1051 } 1052 1053 if (reg_addr == AW88399_SYSCTRL_REG) { 1054 if (reg_val & (~AW88399_DSPBY_MASK)) 1055 aw_dev->dsp_cfg = AW88399_DEV_DSP_BYPASS; 1056 else 1057 aw_dev->dsp_cfg = AW88399_DEV_DSP_WORK; 1058 1059 reg_val &= (AW88399_HMUTE_MASK | AW88399_PWDN_MASK | 1060 AW88399_DSPBY_MASK); 1061 reg_val |= (AW88399_HMUTE_ENABLE_VALUE | AW88399_PWDN_POWER_DOWN_VALUE | 1062 AW88399_DSPBY_BYPASS_VALUE); 1063 } 1064 1065 if (reg_addr == AW88399_I2SCTRL3_REG) { 1066 reg_val &= AW88399_I2STXEN_MASK; 1067 reg_val |= AW88399_I2STXEN_DISABLE_VALUE; 1068 } 1069 1070 if (reg_addr == AW88399_SYSCTRL2_REG) { 1071 read_vol = (reg_val & (~AW88399_VOL_MASK)) >> 1072 AW88399_VOL_START_BIT; 1073 aw_dev->volume_desc.init_volume = read_vol; 1074 } 1075 1076 if (reg_addr == AW88399_DBGCTRL_REG) { 1077 if ((reg_val & (~AW88399_EF_DBMD_MASK)) == AW88399_EF_DBMD_OR_VALUE) 1078 aw88399->check_val = AW_EF_OR_CHECK; 1079 else 1080 aw88399->check_val = AW_EF_AND_CHECK; 1081 1082 aw88399->dither_st = reg_val & (~AW88399_DITHER_EN_MASK); 1083 } 1084 1085 if (reg_addr == AW88399_CRCCTRL_REG) 1086 aw88399->crc_init_val = reg_val; 1087 1088 ret = regmap_write(aw_dev->regmap, reg_addr, reg_val); 1089 if (ret) 1090 return ret; 1091 } 1092 1093 aw_dev_pwd(aw_dev, false); 1094 usleep_range(AW88399_1000_US, AW88399_1000_US + 10); 1095 1096 aw_dev_get_cur_mode_st(aw_dev); 1097 1098 if (aw_dev->prof_cur != aw_dev->prof_index) 1099 vol_desc->ctl_volume = 0; 1100 else 1101 aw_dev_set_volume(aw_dev, vol_desc->ctl_volume); 1102 1103 return 0; 1104 } 1105 1106 static int aw_dev_reg_update(struct aw88399 *aw88399, 1107 unsigned char *data, unsigned int len) 1108 { 1109 int ret; 1110 1111 if (!len || !data) { 1112 dev_err(aw88399->aw_pa->dev, "reg data is null or len is 0"); 1113 return -EINVAL; 1114 } 1115 1116 ret = aw_dev_update_reg_container(aw88399, data, len); 1117 if (ret) 1118 dev_err(aw88399->aw_pa->dev, "reg update failed"); 1119 1120 return ret; 1121 } 1122 1123 static int aw88399_dev_get_prof_name(struct aw_device *aw_dev, int index, char **prof_name) 1124 { 1125 struct aw_prof_info *prof_info = &aw_dev->prof_info; 1126 struct aw_prof_desc *prof_desc; 1127 1128 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 1129 dev_err(aw_dev->dev, "index[%d] overflow count[%d]", 1130 index, aw_dev->prof_info.count); 1131 return -EINVAL; 1132 } 1133 1134 prof_desc = &aw_dev->prof_info.prof_desc[index]; 1135 1136 *prof_name = prof_info->prof_name_list[prof_desc->id]; 1137 1138 return 0; 1139 } 1140 1141 static int aw88399_dev_get_prof_data(struct aw_device *aw_dev, int index, 1142 struct aw_prof_desc **prof_desc) 1143 { 1144 if ((index >= aw_dev->prof_info.count) || (index < 0)) { 1145 dev_err(aw_dev->dev, "%s: index[%d] overflow count[%d]\n", 1146 __func__, index, aw_dev->prof_info.count); 1147 return -EINVAL; 1148 } 1149 1150 *prof_desc = &aw_dev->prof_info.prof_desc[index]; 1151 1152 return 0; 1153 } 1154 1155 static int aw88399_dev_fw_update(struct aw88399 *aw88399, bool up_dsp_fw_en, bool force_up_en) 1156 { 1157 struct aw_device *aw_dev = aw88399->aw_pa; 1158 struct aw_prof_desc *prof_index_desc; 1159 struct aw_sec_data_desc *sec_desc; 1160 char *prof_name; 1161 int ret; 1162 1163 if ((aw_dev->prof_cur == aw_dev->prof_index) && 1164 (force_up_en == AW88399_FORCE_UPDATE_OFF)) { 1165 dev_dbg(aw_dev->dev, "scene no change, not update"); 1166 return 0; 1167 } 1168 1169 if (aw_dev->fw_status == AW88399_DEV_FW_FAILED) { 1170 dev_err(aw_dev->dev, "fw status[%d] error", aw_dev->fw_status); 1171 return -EPERM; 1172 } 1173 1174 ret = aw88399_dev_get_prof_name(aw_dev, aw_dev->prof_index, &prof_name); 1175 if (ret) 1176 return ret; 1177 1178 dev_dbg(aw_dev->dev, "start update %s", prof_name); 1179 1180 ret = aw88399_dev_get_prof_data(aw_dev, aw_dev->prof_index, &prof_index_desc); 1181 if (ret) 1182 return ret; 1183 1184 /* update reg */ 1185 sec_desc = prof_index_desc->sec_desc; 1186 ret = aw_dev_reg_update(aw88399, sec_desc[AW88395_DATA_TYPE_REG].data, 1187 sec_desc[AW88395_DATA_TYPE_REG].len); 1188 if (ret) { 1189 dev_err(aw_dev->dev, "update reg failed"); 1190 return ret; 1191 } 1192 1193 aw88399_dev_mute(aw_dev, true); 1194 1195 if (aw_dev->dsp_cfg == AW88399_DEV_DSP_WORK) 1196 aw_dev_dsp_enable(aw_dev, false); 1197 1198 aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_OSC); 1199 1200 ret = aw_dev_check_sram(aw_dev); 1201 if (ret) { 1202 dev_err(aw_dev->dev, "check sram failed"); 1203 goto error; 1204 } 1205 1206 if (up_dsp_fw_en) { 1207 dev_dbg(aw_dev->dev, "fw_ver: [%x]", prof_index_desc->fw_ver); 1208 ret = aw_dev_dsp_update_fw(aw_dev, sec_desc[AW88395_DATA_TYPE_DSP_FW].data, 1209 sec_desc[AW88395_DATA_TYPE_DSP_FW].len); 1210 if (ret) { 1211 dev_err(aw_dev->dev, "update dsp fw failed"); 1212 goto error; 1213 } 1214 } 1215 1216 /* update dsp config */ 1217 ret = aw_dev_dsp_update_cfg(aw_dev, sec_desc[AW88395_DATA_TYPE_DSP_CFG].data, 1218 sec_desc[AW88395_DATA_TYPE_DSP_CFG].len); 1219 if (ret) { 1220 dev_err(aw_dev->dev, "update dsp cfg failed"); 1221 goto error; 1222 } 1223 1224 aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_PLL); 1225 1226 aw_dev->prof_cur = aw_dev->prof_index; 1227 1228 return 0; 1229 1230 error: 1231 aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_PLL); 1232 return ret; 1233 } 1234 1235 static void aw88399_start_pa(struct aw88399 *aw88399) 1236 { 1237 int ret, i; 1238 1239 for (i = 0; i < AW88399_START_RETRIES; i++) { 1240 ret = aw88399_dev_start(aw88399); 1241 if (ret) { 1242 dev_err(aw88399->aw_pa->dev, "aw88399 device start failed. retry = %d", i); 1243 ret = aw88399_dev_fw_update(aw88399, AW88399_DSP_FW_UPDATE_ON, true); 1244 if (ret) { 1245 dev_err(aw88399->aw_pa->dev, "fw update failed"); 1246 continue; 1247 } 1248 } else { 1249 dev_dbg(aw88399->aw_pa->dev, "start success\n"); 1250 break; 1251 } 1252 } 1253 } 1254 1255 static void aw88399_startup_work(struct work_struct *work) 1256 { 1257 struct aw88399 *aw88399 = 1258 container_of(work, struct aw88399, start_work.work); 1259 1260 mutex_lock(&aw88399->lock); 1261 aw88399_start_pa(aw88399); 1262 mutex_unlock(&aw88399->lock); 1263 } 1264 1265 static void aw88399_start(struct aw88399 *aw88399, bool sync_start) 1266 { 1267 int ret; 1268 1269 if (aw88399->aw_pa->fw_status != AW88399_DEV_FW_OK) 1270 return; 1271 1272 if (aw88399->aw_pa->status == AW88399_DEV_PW_ON) 1273 return; 1274 1275 ret = aw88399_dev_fw_update(aw88399, AW88399_DSP_FW_UPDATE_OFF, true); 1276 if (ret) { 1277 dev_err(aw88399->aw_pa->dev, "fw update failed."); 1278 return; 1279 } 1280 1281 if (sync_start == AW88399_SYNC_START) 1282 aw88399_start_pa(aw88399); 1283 else 1284 queue_delayed_work(system_wq, 1285 &aw88399->start_work, 1286 AW88399_START_WORK_DELAY_MS); 1287 } 1288 1289 static int aw_dev_check_sysint(struct aw_device *aw_dev) 1290 { 1291 u16 reg_val; 1292 1293 aw_dev_get_int_status(aw_dev, ®_val); 1294 if (reg_val & AW88399_BIT_SYSINT_CHECK) { 1295 dev_err(aw_dev->dev, "pa stop check fail:0x%04x", reg_val); 1296 return -EINVAL; 1297 } 1298 1299 return 0; 1300 } 1301 1302 static int aw88399_stop(struct aw_device *aw_dev) 1303 { 1304 struct aw_sec_data_desc *dsp_cfg = 1305 &aw_dev->prof_info.prof_desc[aw_dev->prof_cur].sec_desc[AW88395_DATA_TYPE_DSP_CFG]; 1306 struct aw_sec_data_desc *dsp_fw = 1307 &aw_dev->prof_info.prof_desc[aw_dev->prof_cur].sec_desc[AW88395_DATA_TYPE_DSP_FW]; 1308 int int_st; 1309 1310 if (aw_dev->status == AW88399_DEV_PW_OFF) { 1311 dev_dbg(aw_dev->dev, "already power off"); 1312 return 0; 1313 } 1314 1315 aw_dev->status = AW88399_DEV_PW_OFF; 1316 1317 aw88399_dev_mute(aw_dev, true); 1318 usleep_range(AW88399_4000_US, AW88399_4000_US + 100); 1319 1320 aw_dev_i2s_tx_enable(aw_dev, false); 1321 usleep_range(AW88399_1000_US, AW88399_1000_US + 100); 1322 1323 int_st = aw_dev_check_sysint(aw_dev); 1324 1325 aw_dev_dsp_enable(aw_dev, false); 1326 1327 aw_dev_amppd(aw_dev, true); 1328 1329 if (int_st) { 1330 aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_OSC); 1331 aw_dev_dsp_update_fw(aw_dev, dsp_fw->data, dsp_fw->len); 1332 aw_dev_dsp_update_cfg(aw_dev, dsp_cfg->data, dsp_cfg->len); 1333 aw_dev_select_memclk(aw_dev, AW88399_DEV_MEMCLK_PLL); 1334 } 1335 1336 aw_dev_pwd(aw_dev, true); 1337 1338 return 0; 1339 } 1340 1341 static struct snd_soc_dai_driver aw88399_dai[] = { 1342 { 1343 .name = "aw88399-aif", 1344 .id = 1, 1345 .playback = { 1346 .stream_name = "Speaker_Playback", 1347 .channels_min = 1, 1348 .channels_max = 2, 1349 .rates = AW88399_RATES, 1350 .formats = AW88399_FORMATS, 1351 }, 1352 .capture = { 1353 .stream_name = "Speaker_Capture", 1354 .channels_min = 1, 1355 .channels_max = 2, 1356 .rates = AW88399_RATES, 1357 .formats = AW88399_FORMATS, 1358 }, 1359 }, 1360 }; 1361 1362 static int aw88399_get_fade_in_time(struct snd_kcontrol *kcontrol, 1363 struct snd_ctl_elem_value *ucontrol) 1364 { 1365 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1366 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); 1367 struct aw_device *aw_dev = aw88399->aw_pa; 1368 1369 ucontrol->value.integer.value[0] = aw_dev->fade_in_time; 1370 1371 return 0; 1372 } 1373 1374 static int aw88399_set_fade_in_time(struct snd_kcontrol *kcontrol, 1375 struct snd_ctl_elem_value *ucontrol) 1376 { 1377 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1378 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); 1379 struct soc_mixer_control *mc = 1380 (struct soc_mixer_control *)kcontrol->private_value; 1381 struct aw_device *aw_dev = aw88399->aw_pa; 1382 int time; 1383 1384 time = ucontrol->value.integer.value[0]; 1385 1386 if (time < mc->min || time > mc->max) 1387 return -EINVAL; 1388 1389 if (time != aw_dev->fade_in_time) { 1390 aw_dev->fade_in_time = time; 1391 return 1; 1392 } 1393 1394 return 0; 1395 } 1396 1397 static int aw88399_get_fade_out_time(struct snd_kcontrol *kcontrol, 1398 struct snd_ctl_elem_value *ucontrol) 1399 { 1400 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1401 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); 1402 struct aw_device *aw_dev = aw88399->aw_pa; 1403 1404 ucontrol->value.integer.value[0] = aw_dev->fade_out_time; 1405 1406 return 0; 1407 } 1408 1409 static int aw88399_set_fade_out_time(struct snd_kcontrol *kcontrol, 1410 struct snd_ctl_elem_value *ucontrol) 1411 { 1412 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 1413 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); 1414 struct soc_mixer_control *mc = 1415 (struct soc_mixer_control *)kcontrol->private_value; 1416 struct aw_device *aw_dev = aw88399->aw_pa; 1417 int time; 1418 1419 time = ucontrol->value.integer.value[0]; 1420 if (time < mc->min || time > mc->max) 1421 return -EINVAL; 1422 1423 if (time != aw_dev->fade_out_time) { 1424 aw_dev->fade_out_time = time; 1425 return 1; 1426 } 1427 1428 return 0; 1429 } 1430 1431 static int aw88399_dev_set_profile_index(struct aw_device *aw_dev, int index) 1432 { 1433 /* check the index whether is valid */ 1434 if ((index >= aw_dev->prof_info.count) || (index < 0)) 1435 return -EINVAL; 1436 /* check the index whether change */ 1437 if (aw_dev->prof_index == index) 1438 return -EINVAL; 1439 1440 aw_dev->prof_index = index; 1441 dev_dbg(aw_dev->dev, "set prof[%s]", 1442 aw_dev->prof_info.prof_name_list[aw_dev->prof_info.prof_desc[index].id]); 1443 1444 return 0; 1445 } 1446 1447 static int aw88399_profile_info(struct snd_kcontrol *kcontrol, 1448 struct snd_ctl_elem_info *uinfo) 1449 { 1450 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1451 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1452 char *prof_name, *name; 1453 int count, ret; 1454 1455 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1456 uinfo->count = 1; 1457 1458 count = aw88399->aw_pa->prof_info.count; 1459 if (count <= 0) { 1460 uinfo->value.enumerated.items = 0; 1461 return 0; 1462 } 1463 1464 uinfo->value.enumerated.items = count; 1465 1466 if (uinfo->value.enumerated.item >= count) 1467 uinfo->value.enumerated.item = count - 1; 1468 1469 name = uinfo->value.enumerated.name; 1470 count = uinfo->value.enumerated.item; 1471 1472 ret = aw88399_dev_get_prof_name(aw88399->aw_pa, count, &prof_name); 1473 if (ret) { 1474 strscpy(uinfo->value.enumerated.name, "null", 1475 strlen("null") + 1); 1476 return 0; 1477 } 1478 1479 strscpy(name, prof_name, sizeof(uinfo->value.enumerated.name)); 1480 1481 return 0; 1482 } 1483 1484 static int aw88399_profile_get(struct snd_kcontrol *kcontrol, 1485 struct snd_ctl_elem_value *ucontrol) 1486 { 1487 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1488 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1489 1490 ucontrol->value.integer.value[0] = aw88399->aw_pa->prof_index; 1491 1492 return 0; 1493 } 1494 1495 static int aw88399_profile_set(struct snd_kcontrol *kcontrol, 1496 struct snd_ctl_elem_value *ucontrol) 1497 { 1498 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1499 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1500 int ret; 1501 1502 mutex_lock(&aw88399->lock); 1503 ret = aw88399_dev_set_profile_index(aw88399->aw_pa, ucontrol->value.integer.value[0]); 1504 if (ret) { 1505 dev_dbg(codec->dev, "profile index does not change"); 1506 mutex_unlock(&aw88399->lock); 1507 return 0; 1508 } 1509 1510 if (aw88399->aw_pa->status) { 1511 aw88399_stop(aw88399->aw_pa); 1512 aw88399_start(aw88399, AW88399_SYNC_START); 1513 } 1514 1515 mutex_unlock(&aw88399->lock); 1516 1517 return 1; 1518 } 1519 1520 static int aw88399_volume_get(struct snd_kcontrol *kcontrol, 1521 struct snd_ctl_elem_value *ucontrol) 1522 { 1523 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1524 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1525 struct aw_volume_desc *vol_desc = &aw88399->aw_pa->volume_desc; 1526 1527 ucontrol->value.integer.value[0] = vol_desc->ctl_volume; 1528 1529 return 0; 1530 } 1531 1532 static int aw88399_volume_set(struct snd_kcontrol *kcontrol, 1533 struct snd_ctl_elem_value *ucontrol) 1534 { 1535 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1536 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1537 struct aw_volume_desc *vol_desc = &aw88399->aw_pa->volume_desc; 1538 struct soc_mixer_control *mc = 1539 (struct soc_mixer_control *)kcontrol->private_value; 1540 int value; 1541 1542 value = ucontrol->value.integer.value[0]; 1543 if (value < mc->min || value > mc->max) 1544 return -EINVAL; 1545 1546 if (vol_desc->ctl_volume != value) { 1547 vol_desc->ctl_volume = value; 1548 aw_dev_set_volume(aw88399->aw_pa, vol_desc->ctl_volume); 1549 1550 return 1; 1551 } 1552 1553 return 0; 1554 } 1555 1556 static int aw88399_get_fade_step(struct snd_kcontrol *kcontrol, 1557 struct snd_ctl_elem_value *ucontrol) 1558 { 1559 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1560 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1561 1562 ucontrol->value.integer.value[0] = aw88399->aw_pa->fade_step; 1563 1564 return 0; 1565 } 1566 1567 static int aw88399_set_fade_step(struct snd_kcontrol *kcontrol, 1568 struct snd_ctl_elem_value *ucontrol) 1569 { 1570 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1571 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1572 struct soc_mixer_control *mc = 1573 (struct soc_mixer_control *)kcontrol->private_value; 1574 int value; 1575 1576 value = ucontrol->value.integer.value[0]; 1577 if (value < mc->min || value > mc->max) 1578 return -EINVAL; 1579 1580 if (aw88399->aw_pa->fade_step != value) { 1581 aw88399->aw_pa->fade_step = value; 1582 return 1; 1583 } 1584 1585 return 0; 1586 } 1587 1588 static int aw88399_re_get(struct snd_kcontrol *kcontrol, 1589 struct snd_ctl_elem_value *ucontrol) 1590 { 1591 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1592 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1593 struct aw_device *aw_dev = aw88399->aw_pa; 1594 1595 ucontrol->value.integer.value[0] = aw_dev->cali_desc.cali_re; 1596 1597 return 0; 1598 } 1599 1600 static int aw88399_re_set(struct snd_kcontrol *kcontrol, 1601 struct snd_ctl_elem_value *ucontrol) 1602 { 1603 struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); 1604 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(codec); 1605 struct soc_mixer_control *mc = 1606 (struct soc_mixer_control *)kcontrol->private_value; 1607 struct aw_device *aw_dev = aw88399->aw_pa; 1608 int value; 1609 1610 value = ucontrol->value.integer.value[0]; 1611 if (value < mc->min || value > mc->max) 1612 return -EINVAL; 1613 1614 if (aw_dev->cali_desc.cali_re != value) { 1615 aw_dev->cali_desc.cali_re = value; 1616 return 1; 1617 } 1618 1619 return 0; 1620 } 1621 1622 static int aw88399_dev_init(struct aw88399 *aw88399, struct aw_container *aw_cfg) 1623 { 1624 struct aw_device *aw_dev = aw88399->aw_pa; 1625 int ret; 1626 1627 ret = aw88395_dev_cfg_load(aw_dev, aw_cfg); 1628 if (ret) { 1629 dev_err(aw_dev->dev, "aw_dev acf parse failed"); 1630 return -EINVAL; 1631 } 1632 aw_dev->fade_in_time = AW88399_1000_US / 10; 1633 aw_dev->fade_out_time = AW88399_1000_US >> 1; 1634 aw_dev->prof_cur = aw_dev->prof_info.prof_desc[0].id; 1635 aw_dev->prof_index = aw_dev->prof_info.prof_desc[0].id; 1636 1637 ret = aw88399_dev_fw_update(aw88399, AW88399_FORCE_UPDATE_ON, AW88399_DSP_FW_UPDATE_ON); 1638 if (ret) { 1639 dev_err(aw_dev->dev, "fw update failed ret = %d\n", ret); 1640 return ret; 1641 } 1642 1643 aw88399_dev_mute(aw_dev, true); 1644 1645 /* close tx feedback */ 1646 aw_dev_i2s_tx_enable(aw_dev, false); 1647 usleep_range(AW88399_1000_US, AW88399_1000_US + 100); 1648 1649 /* enable amppd */ 1650 aw_dev_amppd(aw_dev, true); 1651 1652 /* close dsp */ 1653 aw_dev_dsp_enable(aw_dev, false); 1654 /* set power down */ 1655 aw_dev_pwd(aw_dev, true); 1656 1657 return 0; 1658 } 1659 1660 static int aw88399_request_firmware_file(struct aw88399 *aw88399) 1661 { 1662 const struct firmware *cont = NULL; 1663 int ret; 1664 1665 aw88399->aw_pa->fw_status = AW88399_DEV_FW_FAILED; 1666 1667 ret = request_firmware(&cont, AW88399_ACF_FILE, aw88399->aw_pa->dev); 1668 if (ret) { 1669 dev_err(aw88399->aw_pa->dev, "request [%s] failed!", AW88399_ACF_FILE); 1670 return ret; 1671 } 1672 1673 dev_dbg(aw88399->aw_pa->dev, "loaded %s - size: %zu\n", 1674 AW88399_ACF_FILE, cont ? cont->size : 0); 1675 1676 aw88399->aw_cfg = devm_kzalloc(aw88399->aw_pa->dev, 1677 struct_size(aw88399->aw_cfg, data, cont->size), GFP_KERNEL); 1678 if (!aw88399->aw_cfg) { 1679 release_firmware(cont); 1680 return -ENOMEM; 1681 } 1682 aw88399->aw_cfg->len = (int)cont->size; 1683 memcpy(aw88399->aw_cfg->data, cont->data, cont->size); 1684 release_firmware(cont); 1685 1686 ret = aw88395_dev_load_acf_check(aw88399->aw_pa, aw88399->aw_cfg); 1687 if (ret) { 1688 dev_err(aw88399->aw_pa->dev, "load [%s] failed!", AW88399_ACF_FILE); 1689 return ret; 1690 } 1691 1692 mutex_lock(&aw88399->lock); 1693 /* aw device init */ 1694 ret = aw88399_dev_init(aw88399, aw88399->aw_cfg); 1695 if (ret) 1696 dev_err(aw88399->aw_pa->dev, "dev init failed"); 1697 mutex_unlock(&aw88399->lock); 1698 1699 return ret; 1700 } 1701 1702 static const struct snd_kcontrol_new aw88399_controls[] = { 1703 SOC_SINGLE_EXT("PCM Playback Volume", AW88399_SYSCTRL2_REG, 1704 6, AW88399_MUTE_VOL, 0, aw88399_volume_get, 1705 aw88399_volume_set), 1706 SOC_SINGLE_EXT("Fade Step", 0, 0, AW88399_MUTE_VOL, 0, 1707 aw88399_get_fade_step, aw88399_set_fade_step), 1708 SOC_SINGLE_EXT("Volume Ramp Up Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, 1709 aw88399_get_fade_in_time, aw88399_set_fade_in_time), 1710 SOC_SINGLE_EXT("Volume Ramp Down Step", 0, 0, FADE_TIME_MAX, FADE_TIME_MIN, 1711 aw88399_get_fade_out_time, aw88399_set_fade_out_time), 1712 SOC_SINGLE_EXT("Calib", 0, 0, AW88399_CALI_RE_MAX, 0, 1713 aw88399_re_get, aw88399_re_set), 1714 AW88399_PROFILE_EXT("AW88399 Profile Set", aw88399_profile_info, 1715 aw88399_profile_get, aw88399_profile_set), 1716 }; 1717 1718 static int aw88399_playback_event(struct snd_soc_dapm_widget *w, 1719 struct snd_kcontrol *k, int event) 1720 { 1721 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1722 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); 1723 1724 mutex_lock(&aw88399->lock); 1725 switch (event) { 1726 case SND_SOC_DAPM_PRE_PMU: 1727 aw88399_start(aw88399, AW88399_ASYNC_START); 1728 break; 1729 case SND_SOC_DAPM_POST_PMD: 1730 aw88399_stop(aw88399->aw_pa); 1731 break; 1732 default: 1733 break; 1734 } 1735 mutex_unlock(&aw88399->lock); 1736 1737 return 0; 1738 } 1739 1740 static const struct snd_soc_dapm_widget aw88399_dapm_widgets[] = { 1741 /* playback */ 1742 SND_SOC_DAPM_AIF_IN_E("AIF_RX", "Speaker_Playback", 0, 0, 0, 0, 1743 aw88399_playback_event, 1744 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1745 SND_SOC_DAPM_OUTPUT("DAC Output"), 1746 1747 /* capture */ 1748 SND_SOC_DAPM_AIF_OUT("AIF_TX", "Speaker_Capture", 0, SND_SOC_NOPM, 0, 0), 1749 SND_SOC_DAPM_INPUT("ADC Input"), 1750 }; 1751 1752 static const struct snd_soc_dapm_route aw88399_audio_map[] = { 1753 {"DAC Output", NULL, "AIF_RX"}, 1754 {"AIF_TX", NULL, "ADC Input"}, 1755 }; 1756 1757 static int aw88399_codec_probe(struct snd_soc_component *component) 1758 { 1759 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(component); 1760 int ret; 1761 1762 INIT_DELAYED_WORK(&aw88399->start_work, aw88399_startup_work); 1763 1764 ret = aw88399_request_firmware_file(aw88399); 1765 if (ret) 1766 dev_err(aw88399->aw_pa->dev, "%s failed\n", __func__); 1767 1768 return ret; 1769 } 1770 1771 static void aw88399_codec_remove(struct snd_soc_component *aw_codec) 1772 { 1773 struct aw88399 *aw88399 = snd_soc_component_get_drvdata(aw_codec); 1774 1775 cancel_delayed_work_sync(&aw88399->start_work); 1776 } 1777 1778 static const struct snd_soc_component_driver soc_codec_dev_aw88399 = { 1779 .probe = aw88399_codec_probe, 1780 .remove = aw88399_codec_remove, 1781 .dapm_widgets = aw88399_dapm_widgets, 1782 .num_dapm_widgets = ARRAY_SIZE(aw88399_dapm_widgets), 1783 .dapm_routes = aw88399_audio_map, 1784 .num_dapm_routes = ARRAY_SIZE(aw88399_audio_map), 1785 .controls = aw88399_controls, 1786 .num_controls = ARRAY_SIZE(aw88399_controls), 1787 }; 1788 1789 static void aw88399_hw_reset(struct aw88399 *aw88399) 1790 { 1791 if (aw88399->reset_gpio) { 1792 gpiod_set_value_cansleep(aw88399->reset_gpio, 1); 1793 usleep_range(AW88399_1000_US, AW88399_1000_US + 10); 1794 gpiod_set_value_cansleep(aw88399->reset_gpio, 0); 1795 usleep_range(AW88399_1000_US, AW88399_1000_US + 10); 1796 gpiod_set_value_cansleep(aw88399->reset_gpio, 1); 1797 usleep_range(AW88399_1000_US, AW88399_1000_US + 10); 1798 } 1799 } 1800 1801 static void aw88399_parse_channel_dt(struct aw_device *aw_dev) 1802 { 1803 struct device_node *np = aw_dev->dev->of_node; 1804 u32 channel_value; 1805 1806 of_property_read_u32(np, "awinic,audio-channel", &channel_value); 1807 aw_dev->channel = channel_value; 1808 } 1809 1810 static int aw88399_init(struct aw88399 *aw88399, struct i2c_client *i2c, struct regmap *regmap) 1811 { 1812 struct aw_device *aw_dev; 1813 unsigned int chip_id; 1814 int ret; 1815 1816 ret = regmap_read(regmap, AW88399_ID_REG, &chip_id); 1817 if (ret) { 1818 dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret); 1819 return ret; 1820 } 1821 if (chip_id != AW88399_CHIP_ID) { 1822 dev_err(&i2c->dev, "unsupported device"); 1823 return -ENXIO; 1824 } 1825 dev_dbg(&i2c->dev, "chip id = %x\n", chip_id); 1826 1827 aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL); 1828 if (!aw_dev) 1829 return -ENOMEM; 1830 aw88399->aw_pa = aw_dev; 1831 1832 aw_dev->i2c = i2c; 1833 aw_dev->dev = &i2c->dev; 1834 aw_dev->regmap = regmap; 1835 mutex_init(&aw_dev->dsp_lock); 1836 1837 aw_dev->chip_id = chip_id; 1838 aw_dev->acf = NULL; 1839 aw_dev->prof_info.prof_desc = NULL; 1840 aw_dev->prof_info.count = 0; 1841 aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID; 1842 aw_dev->channel = AW88399_DEV_DEFAULT_CH; 1843 aw_dev->fw_status = AW88399_DEV_FW_FAILED; 1844 1845 aw_dev->fade_step = AW88399_VOLUME_STEP_DB; 1846 aw_dev->volume_desc.ctl_volume = AW88399_VOL_DEFAULT_VALUE; 1847 1848 aw88399_parse_channel_dt(aw_dev); 1849 1850 return 0; 1851 } 1852 1853 static int aw88399_i2c_probe(struct i2c_client *i2c) 1854 { 1855 struct aw88399 *aw88399; 1856 int ret; 1857 1858 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) 1859 return dev_err_probe(&i2c->dev, -ENXIO, "check_functionality failed"); 1860 1861 aw88399 = devm_kzalloc(&i2c->dev, sizeof(*aw88399), GFP_KERNEL); 1862 if (!aw88399) 1863 return -ENOMEM; 1864 1865 mutex_init(&aw88399->lock); 1866 1867 i2c_set_clientdata(i2c, aw88399); 1868 1869 aw88399->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW); 1870 if (IS_ERR(aw88399->reset_gpio)) 1871 return dev_err_probe(&i2c->dev, PTR_ERR(aw88399->reset_gpio), 1872 "reset gpio not defined\n"); 1873 aw88399_hw_reset(aw88399); 1874 1875 aw88399->regmap = devm_regmap_init_i2c(i2c, &aw88399_remap_config); 1876 if (IS_ERR(aw88399->regmap)) 1877 return dev_err_probe(&i2c->dev, PTR_ERR(aw88399->regmap), 1878 "failed to init regmap\n"); 1879 1880 /* aw pa init */ 1881 ret = aw88399_init(aw88399, i2c, aw88399->regmap); 1882 if (ret) 1883 return ret; 1884 1885 ret = devm_snd_soc_register_component(&i2c->dev, 1886 &soc_codec_dev_aw88399, 1887 aw88399_dai, ARRAY_SIZE(aw88399_dai)); 1888 if (ret) 1889 dev_err(&i2c->dev, "failed to register aw88399: %d", ret); 1890 1891 return ret; 1892 } 1893 1894 static const struct i2c_device_id aw88399_i2c_id[] = { 1895 { AW88399_I2C_NAME, 0 }, 1896 { } 1897 }; 1898 MODULE_DEVICE_TABLE(i2c, aw88399_i2c_id); 1899 1900 static struct i2c_driver aw88399_i2c_driver = { 1901 .driver = { 1902 .name = AW88399_I2C_NAME, 1903 }, 1904 .probe = aw88399_i2c_probe, 1905 .id_table = aw88399_i2c_id, 1906 }; 1907 module_i2c_driver(aw88399_i2c_driver); 1908 1909 MODULE_DESCRIPTION("ASoC AW88399 Smart PA Driver"); 1910 MODULE_LICENSE("GPL v2"); 1911