1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * TAS571x amplifier audio driver 4 * 5 * Copyright (C) 2015 Google, Inc. 6 * Copyright (c) 2013 Daniel Mack <zonque@gmail.com> 7 * 8 * TAS5721 support: 9 * Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.com> 10 * 11 * TAS5707 support: 12 * Copyright (C) 2018 Jerome Brunet, Baylibre SAS <jbrunet@baylibre.com> 13 */ 14 15 #include <linux/clk.h> 16 #include <linux/delay.h> 17 #include <linux/device.h> 18 #include <linux/gpio/consumer.h> 19 #include <linux/i2c.h> 20 #include <linux/init.h> 21 #include <linux/kernel.h> 22 #include <linux/module.h> 23 #include <linux/of_device.h> 24 #include <linux/regmap.h> 25 #include <linux/regulator/consumer.h> 26 #include <linux/stddef.h> 27 #include <sound/pcm_params.h> 28 #include <sound/soc.h> 29 #include <sound/tlv.h> 30 #include <asm/unaligned.h> 31 32 #include "tas571x.h" 33 34 #define TAS571X_MAX_SUPPLIES 6 35 36 struct tas571x_chip { 37 const char *const *supply_names; 38 int num_supply_names; 39 const struct snd_kcontrol_new *controls; 40 int num_controls; 41 const struct regmap_config *regmap_config; 42 int vol_reg_size; 43 }; 44 45 struct tas571x_private { 46 const struct tas571x_chip *chip; 47 struct regmap *regmap; 48 struct regulator_bulk_data supplies[TAS571X_MAX_SUPPLIES]; 49 struct clk *mclk; 50 unsigned int format; 51 struct gpio_desc *reset_gpio; 52 struct gpio_desc *pdn_gpio; 53 struct snd_soc_component_driver component_driver; 54 }; 55 56 static int tas571x_register_size(struct tas571x_private *priv, unsigned int reg) 57 { 58 switch (reg) { 59 case TAS571X_MVOL_REG: 60 case TAS571X_CH1_VOL_REG: 61 case TAS571X_CH2_VOL_REG: 62 return priv->chip->vol_reg_size; 63 case TAS571X_INPUT_MUX_REG: 64 case TAS571X_CH4_SRC_SELECT_REG: 65 case TAS571X_PWM_MUX_REG: 66 case TAS5717_CH1_RIGHT_CH_MIX_REG: 67 case TAS5717_CH1_LEFT_CH_MIX_REG: 68 case TAS5717_CH2_LEFT_CH_MIX_REG: 69 case TAS5717_CH2_RIGHT_CH_MIX_REG: 70 return 4; 71 default: 72 return 1; 73 } 74 } 75 76 static int tas571x_reg_write(void *context, unsigned int reg, 77 unsigned int value) 78 { 79 struct i2c_client *client = context; 80 struct tas571x_private *priv = i2c_get_clientdata(client); 81 unsigned int i, size; 82 uint8_t buf[5]; 83 int ret; 84 85 size = tas571x_register_size(priv, reg); 86 buf[0] = reg; 87 88 for (i = size; i >= 1; --i) { 89 buf[i] = value; 90 value >>= 8; 91 } 92 93 ret = i2c_master_send(client, buf, size + 1); 94 if (ret == size + 1) 95 return 0; 96 else if (ret < 0) 97 return ret; 98 else 99 return -EIO; 100 } 101 102 static int tas571x_reg_read(void *context, unsigned int reg, 103 unsigned int *value) 104 { 105 struct i2c_client *client = context; 106 struct tas571x_private *priv = i2c_get_clientdata(client); 107 uint8_t send_buf, recv_buf[4]; 108 struct i2c_msg msgs[2]; 109 unsigned int size; 110 unsigned int i; 111 int ret; 112 113 size = tas571x_register_size(priv, reg); 114 send_buf = reg; 115 116 msgs[0].addr = client->addr; 117 msgs[0].len = sizeof(send_buf); 118 msgs[0].buf = &send_buf; 119 msgs[0].flags = 0; 120 121 msgs[1].addr = client->addr; 122 msgs[1].len = size; 123 msgs[1].buf = recv_buf; 124 msgs[1].flags = I2C_M_RD; 125 126 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 127 if (ret < 0) 128 return ret; 129 else if (ret != ARRAY_SIZE(msgs)) 130 return -EIO; 131 132 *value = 0; 133 134 for (i = 0; i < size; i++) { 135 *value <<= 8; 136 *value |= recv_buf[i]; 137 } 138 139 return 0; 140 } 141 142 /* 143 * register write for 8- and 20-byte registers 144 */ 145 static int tas571x_reg_write_multiword(struct i2c_client *client, 146 unsigned int reg, const long values[], size_t len) 147 { 148 size_t i; 149 uint8_t *buf, *p; 150 int ret; 151 size_t send_size = 1 + len * sizeof(uint32_t); 152 153 buf = kzalloc(send_size, GFP_KERNEL | GFP_DMA); 154 if (!buf) 155 return -ENOMEM; 156 buf[0] = reg; 157 158 for (i = 0, p = buf + 1; i < len; i++, p += sizeof(uint32_t)) 159 put_unaligned_be32(values[i], p); 160 161 ret = i2c_master_send(client, buf, send_size); 162 163 kfree(buf); 164 165 if (ret == send_size) 166 return 0; 167 else if (ret < 0) 168 return ret; 169 else 170 return -EIO; 171 } 172 173 /* 174 * register read for 8- and 20-byte registers 175 */ 176 static int tas571x_reg_read_multiword(struct i2c_client *client, 177 unsigned int reg, long values[], size_t len) 178 { 179 unsigned int i; 180 uint8_t send_buf; 181 uint8_t *recv_buf, *p; 182 struct i2c_msg msgs[2]; 183 unsigned int recv_size = len * sizeof(uint32_t); 184 int ret; 185 186 recv_buf = kzalloc(recv_size, GFP_KERNEL | GFP_DMA); 187 if (!recv_buf) 188 return -ENOMEM; 189 190 send_buf = reg; 191 192 msgs[0].addr = client->addr; 193 msgs[0].len = sizeof(send_buf); 194 msgs[0].buf = &send_buf; 195 msgs[0].flags = 0; 196 197 msgs[1].addr = client->addr; 198 msgs[1].len = recv_size; 199 msgs[1].buf = recv_buf; 200 msgs[1].flags = I2C_M_RD; 201 202 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 203 if (ret < 0) 204 goto err_ret; 205 else if (ret != ARRAY_SIZE(msgs)) { 206 ret = -EIO; 207 goto err_ret; 208 } 209 210 for (i = 0, p = recv_buf; i < len; i++, p += sizeof(uint32_t)) 211 values[i] = get_unaligned_be32(p); 212 213 err_ret: 214 kfree(recv_buf); 215 return ret; 216 } 217 218 /* 219 * Integer array controls for setting biquad, mixer, DRC coefficients. 220 * According to the datasheet each coefficient is effectively 26bits, 221 * i.e. stored as 32bits, where bits [31:26] are ignored. 222 * TI's TAS57xx Graphical Development Environment tool however produces 223 * coefficients with more than 26 bits. For this reason we allow values 224 * in the full 32-bits reange. 225 * The coefficients are ordered as given in the TAS571x data sheet: 226 * b0, b1, b2, a1, a2 227 */ 228 229 static int tas571x_coefficient_info(struct snd_kcontrol *kcontrol, 230 struct snd_ctl_elem_info *uinfo) 231 { 232 int numcoef = kcontrol->private_value >> 16; 233 234 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 235 uinfo->count = numcoef; 236 uinfo->value.integer.min = 0; 237 uinfo->value.integer.max = 0xffffffff; 238 return 0; 239 } 240 241 static int tas571x_coefficient_get(struct snd_kcontrol *kcontrol, 242 struct snd_ctl_elem_value *ucontrol) 243 { 244 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 245 struct i2c_client *i2c = to_i2c_client(component->dev); 246 int numcoef = kcontrol->private_value >> 16; 247 int index = kcontrol->private_value & 0xffff; 248 249 return tas571x_reg_read_multiword(i2c, index, 250 ucontrol->value.integer.value, numcoef); 251 } 252 253 static int tas571x_coefficient_put(struct snd_kcontrol *kcontrol, 254 struct snd_ctl_elem_value *ucontrol) 255 { 256 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 257 struct i2c_client *i2c = to_i2c_client(component->dev); 258 int numcoef = kcontrol->private_value >> 16; 259 int index = kcontrol->private_value & 0xffff; 260 261 return tas571x_reg_write_multiword(i2c, index, 262 ucontrol->value.integer.value, numcoef); 263 } 264 265 static int tas571x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format) 266 { 267 struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component); 268 269 priv->format = format; 270 271 return 0; 272 } 273 274 static int tas571x_hw_params(struct snd_pcm_substream *substream, 275 struct snd_pcm_hw_params *params, 276 struct snd_soc_dai *dai) 277 { 278 struct tas571x_private *priv = snd_soc_component_get_drvdata(dai->component); 279 u32 val; 280 281 switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) { 282 case SND_SOC_DAIFMT_RIGHT_J: 283 val = 0x00; 284 break; 285 case SND_SOC_DAIFMT_I2S: 286 val = 0x03; 287 break; 288 case SND_SOC_DAIFMT_LEFT_J: 289 val = 0x06; 290 break; 291 default: 292 return -EINVAL; 293 } 294 295 if (params_width(params) >= 24) 296 val += 2; 297 else if (params_width(params) >= 20) 298 val += 1; 299 300 return regmap_update_bits(priv->regmap, TAS571X_SDI_REG, 301 TAS571X_SDI_FMT_MASK, val); 302 } 303 304 static int tas571x_mute(struct snd_soc_dai *dai, int mute) 305 { 306 struct snd_soc_component *component = dai->component; 307 u8 sysctl2; 308 int ret; 309 310 sysctl2 = mute ? TAS571X_SYS_CTRL_2_SDN_MASK : 0; 311 312 ret = snd_soc_component_update_bits(component, 313 TAS571X_SYS_CTRL_2_REG, 314 TAS571X_SYS_CTRL_2_SDN_MASK, 315 sysctl2); 316 usleep_range(1000, 2000); 317 318 return ret; 319 } 320 321 static int tas571x_set_bias_level(struct snd_soc_component *component, 322 enum snd_soc_bias_level level) 323 { 324 struct tas571x_private *priv = snd_soc_component_get_drvdata(component); 325 int ret; 326 327 switch (level) { 328 case SND_SOC_BIAS_ON: 329 break; 330 case SND_SOC_BIAS_PREPARE: 331 break; 332 case SND_SOC_BIAS_STANDBY: 333 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 334 if (!IS_ERR(priv->mclk)) { 335 ret = clk_prepare_enable(priv->mclk); 336 if (ret) { 337 dev_err(component->dev, 338 "Failed to enable master clock: %d\n", 339 ret); 340 return ret; 341 } 342 } 343 } 344 break; 345 case SND_SOC_BIAS_OFF: 346 if (!IS_ERR(priv->mclk)) 347 clk_disable_unprepare(priv->mclk); 348 break; 349 } 350 351 return 0; 352 } 353 354 static const struct snd_soc_dai_ops tas571x_dai_ops = { 355 .set_fmt = tas571x_set_dai_fmt, 356 .hw_params = tas571x_hw_params, 357 .digital_mute = tas571x_mute, 358 }; 359 360 361 #define BIQUAD_COEFS(xname, reg) \ 362 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ 363 .info = tas571x_coefficient_info, \ 364 .get = tas571x_coefficient_get,\ 365 .put = tas571x_coefficient_put, \ 366 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 367 .private_value = reg | (5 << 16) } 368 369 static const char *const tas5711_supply_names[] = { 370 "AVDD", 371 "DVDD", 372 "PVDD_A", 373 "PVDD_B", 374 "PVDD_C", 375 "PVDD_D", 376 }; 377 378 static const DECLARE_TLV_DB_SCALE(tas5711_volume_tlv, -10350, 50, 1); 379 380 static const struct snd_kcontrol_new tas5711_controls[] = { 381 SOC_SINGLE_TLV("Master Volume", 382 TAS571X_MVOL_REG, 383 0, 0xff, 1, tas5711_volume_tlv), 384 SOC_DOUBLE_R_TLV("Speaker Volume", 385 TAS571X_CH1_VOL_REG, 386 TAS571X_CH2_VOL_REG, 387 0, 0xff, 1, tas5711_volume_tlv), 388 SOC_DOUBLE("Speaker Switch", 389 TAS571X_SOFT_MUTE_REG, 390 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 391 1, 1), 392 }; 393 394 static const struct regmap_range tas571x_readonly_regs_range[] = { 395 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_DEV_ID_REG), 396 }; 397 398 static const struct regmap_range tas571x_volatile_regs_range[] = { 399 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG), 400 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG), 401 }; 402 403 static const struct regmap_access_table tas571x_write_regs = { 404 .no_ranges = tas571x_readonly_regs_range, 405 .n_no_ranges = ARRAY_SIZE(tas571x_readonly_regs_range), 406 }; 407 408 static const struct regmap_access_table tas571x_volatile_regs = { 409 .yes_ranges = tas571x_volatile_regs_range, 410 .n_yes_ranges = ARRAY_SIZE(tas571x_volatile_regs_range), 411 412 }; 413 414 static const struct reg_default tas5711_reg_defaults[] = { 415 { 0x04, 0x05 }, 416 { 0x05, 0x40 }, 417 { 0x06, 0x00 }, 418 { 0x07, 0xff }, 419 { 0x08, 0x30 }, 420 { 0x09, 0x30 }, 421 { 0x1b, 0x82 }, 422 }; 423 424 static const struct regmap_config tas5711_regmap_config = { 425 .reg_bits = 8, 426 .val_bits = 32, 427 .max_register = 0xff, 428 .reg_read = tas571x_reg_read, 429 .reg_write = tas571x_reg_write, 430 .reg_defaults = tas5711_reg_defaults, 431 .num_reg_defaults = ARRAY_SIZE(tas5711_reg_defaults), 432 .cache_type = REGCACHE_RBTREE, 433 .wr_table = &tas571x_write_regs, 434 .volatile_table = &tas571x_volatile_regs, 435 }; 436 437 static const struct tas571x_chip tas5711_chip = { 438 .supply_names = tas5711_supply_names, 439 .num_supply_names = ARRAY_SIZE(tas5711_supply_names), 440 .controls = tas5711_controls, 441 .num_controls = ARRAY_SIZE(tas5711_controls), 442 .regmap_config = &tas5711_regmap_config, 443 .vol_reg_size = 1, 444 }; 445 446 static const struct regmap_range tas5707_volatile_regs_range[] = { 447 regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG), 448 regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG), 449 regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG), 450 }; 451 452 static const struct regmap_access_table tas5707_volatile_regs = { 453 .yes_ranges = tas5707_volatile_regs_range, 454 .n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range), 455 456 }; 457 458 static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1); 459 460 static const char * const tas5707_volume_slew_step_txt[] = { 461 "256", "512", "1024", "2048", 462 }; 463 464 static const unsigned int tas5707_volume_slew_step_values[] = { 465 3, 0, 1, 2, 466 }; 467 468 static SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum, 469 TAS571X_VOL_CFG_REG, 0, 0x3, 470 tas5707_volume_slew_step_txt, 471 tas5707_volume_slew_step_values); 472 473 static const struct snd_kcontrol_new tas5707_controls[] = { 474 SOC_SINGLE_TLV("Master Volume", 475 TAS571X_MVOL_REG, 476 0, 0xff, 1, tas5707_volume_tlv), 477 SOC_DOUBLE_R_TLV("Speaker Volume", 478 TAS571X_CH1_VOL_REG, 479 TAS571X_CH2_VOL_REG, 480 0, 0xff, 1, tas5707_volume_tlv), 481 SOC_DOUBLE("Speaker Switch", 482 TAS571X_SOFT_MUTE_REG, 483 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 484 1, 1), 485 486 SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum), 487 488 BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG), 489 BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG), 490 BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG), 491 BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG), 492 BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG), 493 BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG), 494 BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG), 495 496 BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG), 497 BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG), 498 BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG), 499 BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG), 500 BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG), 501 BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG), 502 BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG), 503 }; 504 505 static const struct reg_default tas5707_reg_defaults[] = { 506 {TAS571X_CLK_CTRL_REG, 0x6c}, 507 {TAS571X_DEV_ID_REG, 0x70}, 508 {TAS571X_ERR_STATUS_REG, 0x00}, 509 {TAS571X_SYS_CTRL_1_REG, 0xa0}, 510 {TAS571X_SDI_REG, 0x05}, 511 {TAS571X_SYS_CTRL_2_REG, 0x40}, 512 {TAS571X_SOFT_MUTE_REG, 0x00}, 513 {TAS571X_MVOL_REG, 0xff}, 514 {TAS571X_CH1_VOL_REG, 0x30}, 515 {TAS571X_CH2_VOL_REG, 0x30}, 516 {TAS571X_VOL_CFG_REG, 0x91}, 517 {TAS571X_MODULATION_LIMIT_REG, 0x02}, 518 {TAS571X_IC_DELAY_CH1_REG, 0xac}, 519 {TAS571X_IC_DELAY_CH2_REG, 0x54}, 520 {TAS571X_IC_DELAY_CH3_REG, 0xac}, 521 {TAS571X_IC_DELAY_CH4_REG, 0x54}, 522 {TAS571X_START_STOP_PERIOD_REG, 0x0f}, 523 {TAS571X_OSC_TRIM_REG, 0x82}, 524 {TAS571X_BKND_ERR_REG, 0x02}, 525 {TAS571X_INPUT_MUX_REG, 0x17772}, 526 {TAS571X_PWM_MUX_REG, 0x1021345}, 527 }; 528 529 static const struct regmap_config tas5707_regmap_config = { 530 .reg_bits = 8, 531 .val_bits = 32, 532 .max_register = 0xff, 533 .reg_read = tas571x_reg_read, 534 .reg_write = tas571x_reg_write, 535 .reg_defaults = tas5707_reg_defaults, 536 .num_reg_defaults = ARRAY_SIZE(tas5707_reg_defaults), 537 .cache_type = REGCACHE_RBTREE, 538 .wr_table = &tas571x_write_regs, 539 .volatile_table = &tas5707_volatile_regs, 540 }; 541 542 static const struct tas571x_chip tas5707_chip = { 543 .supply_names = tas5711_supply_names, 544 .num_supply_names = ARRAY_SIZE(tas5711_supply_names), 545 .controls = tas5707_controls, 546 .num_controls = ARRAY_SIZE(tas5707_controls), 547 .regmap_config = &tas5707_regmap_config, 548 .vol_reg_size = 1, 549 }; 550 551 static const char *const tas5717_supply_names[] = { 552 "AVDD", 553 "DVDD", 554 "HPVDD", 555 "PVDD_AB", 556 "PVDD_CD", 557 }; 558 559 static const DECLARE_TLV_DB_SCALE(tas5717_volume_tlv, -10375, 25, 0); 560 561 static const struct snd_kcontrol_new tas5717_controls[] = { 562 /* MVOL LSB is ignored - see comments in tas571x_i2c_probe() */ 563 SOC_SINGLE_TLV("Master Volume", 564 TAS571X_MVOL_REG, 1, 0x1ff, 1, 565 tas5717_volume_tlv), 566 SOC_DOUBLE_R_TLV("Speaker Volume", 567 TAS571X_CH1_VOL_REG, TAS571X_CH2_VOL_REG, 568 1, 0x1ff, 1, tas5717_volume_tlv), 569 SOC_DOUBLE("Speaker Switch", 570 TAS571X_SOFT_MUTE_REG, 571 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 572 1, 1), 573 574 SOC_DOUBLE_R_RANGE("CH1 Mixer Volume", 575 TAS5717_CH1_LEFT_CH_MIX_REG, 576 TAS5717_CH1_RIGHT_CH_MIX_REG, 577 16, 0, 0x80, 0), 578 579 SOC_DOUBLE_R_RANGE("CH2 Mixer Volume", 580 TAS5717_CH2_LEFT_CH_MIX_REG, 581 TAS5717_CH2_RIGHT_CH_MIX_REG, 582 16, 0, 0x80, 0), 583 584 /* 585 * The biquads are named according to the register names. 586 * Please note that TI's TAS57xx Graphical Development Environment 587 * tool names them different. 588 */ 589 BIQUAD_COEFS("CH1 - Biquad 0", TAS5717_CH1_BQ0_REG), 590 BIQUAD_COEFS("CH1 - Biquad 1", TAS5717_CH1_BQ1_REG), 591 BIQUAD_COEFS("CH1 - Biquad 2", TAS5717_CH1_BQ2_REG), 592 BIQUAD_COEFS("CH1 - Biquad 3", TAS5717_CH1_BQ3_REG), 593 BIQUAD_COEFS("CH1 - Biquad 4", TAS5717_CH1_BQ4_REG), 594 BIQUAD_COEFS("CH1 - Biquad 5", TAS5717_CH1_BQ5_REG), 595 BIQUAD_COEFS("CH1 - Biquad 6", TAS5717_CH1_BQ6_REG), 596 BIQUAD_COEFS("CH1 - Biquad 7", TAS5717_CH1_BQ7_REG), 597 BIQUAD_COEFS("CH1 - Biquad 8", TAS5717_CH1_BQ8_REG), 598 BIQUAD_COEFS("CH1 - Biquad 9", TAS5717_CH1_BQ9_REG), 599 BIQUAD_COEFS("CH1 - Biquad 10", TAS5717_CH1_BQ10_REG), 600 BIQUAD_COEFS("CH1 - Biquad 11", TAS5717_CH1_BQ11_REG), 601 602 BIQUAD_COEFS("CH2 - Biquad 0", TAS5717_CH2_BQ0_REG), 603 BIQUAD_COEFS("CH2 - Biquad 1", TAS5717_CH2_BQ1_REG), 604 BIQUAD_COEFS("CH2 - Biquad 2", TAS5717_CH2_BQ2_REG), 605 BIQUAD_COEFS("CH2 - Biquad 3", TAS5717_CH2_BQ3_REG), 606 BIQUAD_COEFS("CH2 - Biquad 4", TAS5717_CH2_BQ4_REG), 607 BIQUAD_COEFS("CH2 - Biquad 5", TAS5717_CH2_BQ5_REG), 608 BIQUAD_COEFS("CH2 - Biquad 6", TAS5717_CH2_BQ6_REG), 609 BIQUAD_COEFS("CH2 - Biquad 7", TAS5717_CH2_BQ7_REG), 610 BIQUAD_COEFS("CH2 - Biquad 8", TAS5717_CH2_BQ8_REG), 611 BIQUAD_COEFS("CH2 - Biquad 9", TAS5717_CH2_BQ9_REG), 612 BIQUAD_COEFS("CH2 - Biquad 10", TAS5717_CH2_BQ10_REG), 613 BIQUAD_COEFS("CH2 - Biquad 11", TAS5717_CH2_BQ11_REG), 614 615 BIQUAD_COEFS("CH3 - Biquad 0", TAS5717_CH3_BQ0_REG), 616 BIQUAD_COEFS("CH3 - Biquad 1", TAS5717_CH3_BQ1_REG), 617 618 BIQUAD_COEFS("CH4 - Biquad 0", TAS5717_CH4_BQ0_REG), 619 BIQUAD_COEFS("CH4 - Biquad 1", TAS5717_CH4_BQ1_REG), 620 }; 621 622 static const struct reg_default tas5717_reg_defaults[] = { 623 { 0x04, 0x05 }, 624 { 0x05, 0x40 }, 625 { 0x06, 0x00 }, 626 { 0x07, 0x03ff }, 627 { 0x08, 0x00c0 }, 628 { 0x09, 0x00c0 }, 629 { 0x1b, 0x82 }, 630 { TAS5717_CH1_RIGHT_CH_MIX_REG, 0x0 }, 631 { TAS5717_CH1_LEFT_CH_MIX_REG, 0x800000}, 632 { TAS5717_CH2_LEFT_CH_MIX_REG, 0x0 }, 633 { TAS5717_CH2_RIGHT_CH_MIX_REG, 0x800000}, 634 }; 635 636 static const struct regmap_config tas5717_regmap_config = { 637 .reg_bits = 8, 638 .val_bits = 32, 639 .max_register = 0xff, 640 .reg_read = tas571x_reg_read, 641 .reg_write = tas571x_reg_write, 642 .reg_defaults = tas5717_reg_defaults, 643 .num_reg_defaults = ARRAY_SIZE(tas5717_reg_defaults), 644 .cache_type = REGCACHE_RBTREE, 645 .wr_table = &tas571x_write_regs, 646 .volatile_table = &tas571x_volatile_regs, 647 }; 648 649 /* This entry is reused for tas5719 as the software interface is identical. */ 650 static const struct tas571x_chip tas5717_chip = { 651 .supply_names = tas5717_supply_names, 652 .num_supply_names = ARRAY_SIZE(tas5717_supply_names), 653 .controls = tas5717_controls, 654 .num_controls = ARRAY_SIZE(tas5717_controls), 655 .regmap_config = &tas5717_regmap_config, 656 .vol_reg_size = 2, 657 }; 658 659 static const char *const tas5721_supply_names[] = { 660 "AVDD", 661 "DVDD", 662 "DRVDD", 663 "PVDD", 664 }; 665 666 static const struct snd_kcontrol_new tas5721_controls[] = { 667 SOC_SINGLE_TLV("Master Volume", 668 TAS571X_MVOL_REG, 669 0, 0xff, 1, tas5711_volume_tlv), 670 SOC_DOUBLE_R_TLV("Speaker Volume", 671 TAS571X_CH1_VOL_REG, 672 TAS571X_CH2_VOL_REG, 673 0, 0xff, 1, tas5711_volume_tlv), 674 SOC_DOUBLE("Speaker Switch", 675 TAS571X_SOFT_MUTE_REG, 676 TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 677 1, 1), 678 }; 679 680 static const struct reg_default tas5721_reg_defaults[] = { 681 {TAS571X_CLK_CTRL_REG, 0x6c}, 682 {TAS571X_DEV_ID_REG, 0x00}, 683 {TAS571X_ERR_STATUS_REG, 0x00}, 684 {TAS571X_SYS_CTRL_1_REG, 0xa0}, 685 {TAS571X_SDI_REG, 0x05}, 686 {TAS571X_SYS_CTRL_2_REG, 0x40}, 687 {TAS571X_SOFT_MUTE_REG, 0x00}, 688 {TAS571X_MVOL_REG, 0xff}, 689 {TAS571X_CH1_VOL_REG, 0x30}, 690 {TAS571X_CH2_VOL_REG, 0x30}, 691 {TAS571X_CH3_VOL_REG, 0x30}, 692 {TAS571X_VOL_CFG_REG, 0x91}, 693 {TAS571X_MODULATION_LIMIT_REG, 0x02}, 694 {TAS571X_IC_DELAY_CH1_REG, 0xac}, 695 {TAS571X_IC_DELAY_CH2_REG, 0x54}, 696 {TAS571X_IC_DELAY_CH3_REG, 0xac}, 697 {TAS571X_IC_DELAY_CH4_REG, 0x54}, 698 {TAS571X_PWM_CH_SDN_GROUP_REG, 0x30}, 699 {TAS571X_START_STOP_PERIOD_REG, 0x0f}, 700 {TAS571X_OSC_TRIM_REG, 0x82}, 701 {TAS571X_BKND_ERR_REG, 0x02}, 702 {TAS571X_INPUT_MUX_REG, 0x17772}, 703 {TAS571X_CH4_SRC_SELECT_REG, 0x4303}, 704 {TAS571X_PWM_MUX_REG, 0x1021345}, 705 }; 706 707 static const struct regmap_config tas5721_regmap_config = { 708 .reg_bits = 8, 709 .val_bits = 32, 710 .max_register = 0xff, 711 .reg_read = tas571x_reg_read, 712 .reg_write = tas571x_reg_write, 713 .reg_defaults = tas5721_reg_defaults, 714 .num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults), 715 .cache_type = REGCACHE_RBTREE, 716 .wr_table = &tas571x_write_regs, 717 .volatile_table = &tas571x_volatile_regs, 718 }; 719 720 721 static const struct tas571x_chip tas5721_chip = { 722 .supply_names = tas5721_supply_names, 723 .num_supply_names = ARRAY_SIZE(tas5721_supply_names), 724 .controls = tas5711_controls, 725 .num_controls = ARRAY_SIZE(tas5711_controls), 726 .regmap_config = &tas5721_regmap_config, 727 .vol_reg_size = 1, 728 }; 729 730 static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = { 731 SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0), 732 SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0), 733 734 SND_SOC_DAPM_OUTPUT("OUT_A"), 735 SND_SOC_DAPM_OUTPUT("OUT_B"), 736 SND_SOC_DAPM_OUTPUT("OUT_C"), 737 SND_SOC_DAPM_OUTPUT("OUT_D"), 738 }; 739 740 static const struct snd_soc_dapm_route tas571x_dapm_routes[] = { 741 { "DACL", NULL, "Playback" }, 742 { "DACR", NULL, "Playback" }, 743 744 { "OUT_A", NULL, "DACL" }, 745 { "OUT_B", NULL, "DACL" }, 746 { "OUT_C", NULL, "DACR" }, 747 { "OUT_D", NULL, "DACR" }, 748 }; 749 750 static const struct snd_soc_component_driver tas571x_component = { 751 .set_bias_level = tas571x_set_bias_level, 752 .dapm_widgets = tas571x_dapm_widgets, 753 .num_dapm_widgets = ARRAY_SIZE(tas571x_dapm_widgets), 754 .dapm_routes = tas571x_dapm_routes, 755 .num_dapm_routes = ARRAY_SIZE(tas571x_dapm_routes), 756 .use_pmdown_time = 1, 757 .endianness = 1, 758 .non_legacy_dai_naming = 1, 759 }; 760 761 static struct snd_soc_dai_driver tas571x_dai = { 762 .name = "tas571x-hifi", 763 .playback = { 764 .stream_name = "Playback", 765 .channels_min = 2, 766 .channels_max = 2, 767 .rates = SNDRV_PCM_RATE_8000_48000, 768 .formats = SNDRV_PCM_FMTBIT_S32_LE | 769 SNDRV_PCM_FMTBIT_S24_LE | 770 SNDRV_PCM_FMTBIT_S16_LE, 771 }, 772 .ops = &tas571x_dai_ops, 773 }; 774 775 static const struct of_device_id tas571x_of_match[]; 776 777 static int tas571x_i2c_probe(struct i2c_client *client, 778 const struct i2c_device_id *id) 779 { 780 struct tas571x_private *priv; 781 struct device *dev = &client->dev; 782 const struct of_device_id *of_id; 783 int i, ret; 784 785 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 786 if (!priv) 787 return -ENOMEM; 788 i2c_set_clientdata(client, priv); 789 790 of_id = of_match_device(tas571x_of_match, dev); 791 if (of_id) 792 priv->chip = of_id->data; 793 else 794 priv->chip = (void *) id->driver_data; 795 796 priv->mclk = devm_clk_get(dev, "mclk"); 797 if (IS_ERR(priv->mclk) && PTR_ERR(priv->mclk) != -ENOENT) { 798 dev_err(dev, "Failed to request mclk: %ld\n", 799 PTR_ERR(priv->mclk)); 800 return PTR_ERR(priv->mclk); 801 } 802 803 if (WARN_ON(priv->chip->num_supply_names > TAS571X_MAX_SUPPLIES)) 804 return -EINVAL; 805 for (i = 0; i < priv->chip->num_supply_names; i++) 806 priv->supplies[i].supply = priv->chip->supply_names[i]; 807 808 ret = devm_regulator_bulk_get(dev, priv->chip->num_supply_names, 809 priv->supplies); 810 if (ret) { 811 dev_err(dev, "Failed to get supplies: %d\n", ret); 812 return ret; 813 } 814 ret = regulator_bulk_enable(priv->chip->num_supply_names, 815 priv->supplies); 816 if (ret) { 817 dev_err(dev, "Failed to enable supplies: %d\n", ret); 818 return ret; 819 } 820 821 priv->regmap = devm_regmap_init(dev, NULL, client, 822 priv->chip->regmap_config); 823 if (IS_ERR(priv->regmap)) 824 return PTR_ERR(priv->regmap); 825 826 priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW); 827 if (IS_ERR(priv->pdn_gpio)) { 828 dev_err(dev, "error requesting pdn_gpio: %ld\n", 829 PTR_ERR(priv->pdn_gpio)); 830 return PTR_ERR(priv->pdn_gpio); 831 } 832 833 priv->reset_gpio = devm_gpiod_get_optional(dev, "reset", 834 GPIOD_OUT_HIGH); 835 if (IS_ERR(priv->reset_gpio)) { 836 dev_err(dev, "error requesting reset_gpio: %ld\n", 837 PTR_ERR(priv->reset_gpio)); 838 return PTR_ERR(priv->reset_gpio); 839 } else if (priv->reset_gpio) { 840 /* pulse the active low reset line for ~100us */ 841 usleep_range(100, 200); 842 gpiod_set_value(priv->reset_gpio, 0); 843 usleep_range(13500, 20000); 844 } 845 846 ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0); 847 if (ret) 848 return ret; 849 850 usleep_range(50000, 60000); 851 852 memcpy(&priv->component_driver, &tas571x_component, sizeof(priv->component_driver)); 853 priv->component_driver.controls = priv->chip->controls; 854 priv->component_driver.num_controls = priv->chip->num_controls; 855 856 if (priv->chip->vol_reg_size == 2) { 857 /* 858 * The master volume defaults to 0x3ff (mute), but we ignore 859 * (zero) the LSB because the hardware step size is 0.125 dB 860 * and TLV_DB_SCALE_ITEM has a resolution of 0.01 dB. 861 */ 862 ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0); 863 if (ret) 864 return ret; 865 } 866 867 return devm_snd_soc_register_component(&client->dev, 868 &priv->component_driver, 869 &tas571x_dai, 1); 870 } 871 872 static int tas571x_i2c_remove(struct i2c_client *client) 873 { 874 struct tas571x_private *priv = i2c_get_clientdata(client); 875 876 regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies); 877 878 return 0; 879 } 880 881 static const struct of_device_id tas571x_of_match[] = { 882 { .compatible = "ti,tas5707", .data = &tas5707_chip, }, 883 { .compatible = "ti,tas5711", .data = &tas5711_chip, }, 884 { .compatible = "ti,tas5717", .data = &tas5717_chip, }, 885 { .compatible = "ti,tas5719", .data = &tas5717_chip, }, 886 { .compatible = "ti,tas5721", .data = &tas5721_chip, }, 887 { } 888 }; 889 MODULE_DEVICE_TABLE(of, tas571x_of_match); 890 891 static const struct i2c_device_id tas571x_i2c_id[] = { 892 { "tas5707", (kernel_ulong_t) &tas5707_chip }, 893 { "tas5711", (kernel_ulong_t) &tas5711_chip }, 894 { "tas5717", (kernel_ulong_t) &tas5717_chip }, 895 { "tas5719", (kernel_ulong_t) &tas5717_chip }, 896 { "tas5721", (kernel_ulong_t) &tas5721_chip }, 897 { } 898 }; 899 MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id); 900 901 static struct i2c_driver tas571x_i2c_driver = { 902 .driver = { 903 .name = "tas571x", 904 .of_match_table = of_match_ptr(tas571x_of_match), 905 }, 906 .probe = tas571x_i2c_probe, 907 .remove = tas571x_i2c_remove, 908 .id_table = tas571x_i2c_id, 909 }; 910 module_i2c_driver(tas571x_i2c_driver); 911 912 MODULE_DESCRIPTION("ASoC TAS571x driver"); 913 MODULE_AUTHOR("Kevin Cernekee <cernekee@chromium.org>"); 914 MODULE_LICENSE("GPL"); 915