1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Common code for ADAU1X61 and ADAU1X81 codecs 4 * 5 * Copyright 2011-2014 Analog Devices Inc. 6 * Author: Lars-Peter Clausen <lars@metafoo.de> 7 */ 8 9 #include <linux/module.h> 10 #include <linux/init.h> 11 #include <linux/clk.h> 12 #include <linux/delay.h> 13 #include <linux/slab.h> 14 #include <sound/core.h> 15 #include <sound/pcm.h> 16 #include <sound/pcm_params.h> 17 #include <sound/soc.h> 18 #include <sound/tlv.h> 19 #include <linux/i2c.h> 20 #include <linux/spi/spi.h> 21 #include <linux/regmap.h> 22 #include <asm/unaligned.h> 23 24 #include "sigmadsp.h" 25 #include "adau17x1.h" 26 #include "adau-utils.h" 27 28 #define ADAU17X1_SAFELOAD_TARGET_ADDRESS 0x0006 29 #define ADAU17X1_SAFELOAD_TRIGGER 0x0007 30 #define ADAU17X1_SAFELOAD_DATA 0x0001 31 #define ADAU17X1_SAFELOAD_DATA_SIZE 20 32 #define ADAU17X1_WORD_SIZE 4 33 34 static const char * const adau17x1_capture_mixer_boost_text[] = { 35 "Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3", 36 }; 37 38 static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum, 39 ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text); 40 41 static const char * const adau17x1_mic_bias_mode_text[] = { 42 "Normal operation", "High performance", 43 }; 44 45 static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum, 46 ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text); 47 48 static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0); 49 50 static const struct snd_kcontrol_new adau17x1_controls[] = { 51 SOC_DOUBLE_R_TLV("Digital Capture Volume", 52 ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 53 ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 54 0, 0xff, 1, adau17x1_digital_tlv), 55 SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1, 56 ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv), 57 58 SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL, 59 5, 1, 0), 60 SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0, 61 2, 1, 0), 62 63 SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum), 64 65 SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum), 66 }; 67 68 static int adau17x1_setup_firmware(struct snd_soc_component *component, 69 unsigned int rate); 70 71 static int adau17x1_pll_event(struct snd_soc_dapm_widget *w, 72 struct snd_kcontrol *kcontrol, int event) 73 { 74 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 75 struct adau *adau = snd_soc_component_get_drvdata(component); 76 77 if (SND_SOC_DAPM_EVENT_ON(event)) { 78 adau->pll_regs[5] = 1; 79 } else { 80 adau->pll_regs[5] = 0; 81 /* Bypass the PLL when disabled, otherwise registers will become 82 * inaccessible. */ 83 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, 84 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0); 85 } 86 87 /* The PLL register is 6 bytes long and can only be written at once. */ 88 regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL, 89 adau->pll_regs, ARRAY_SIZE(adau->pll_regs)); 90 91 if (SND_SOC_DAPM_EVENT_ON(event)) { 92 mdelay(5); 93 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL, 94 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 95 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL); 96 } 97 98 return 0; 99 } 100 101 static int adau17x1_adc_fixup(struct snd_soc_dapm_widget *w, 102 struct snd_kcontrol *kcontrol, int event) 103 { 104 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 105 struct adau *adau = snd_soc_component_get_drvdata(component); 106 107 /* 108 * If we are capturing, toggle the ADOSR bit in Converter Control 0 to 109 * avoid losing SNR (workaround from ADI). This must be done after 110 * the ADC(s) have been enabled. According to the data sheet, it is 111 * normally illegal to set this bit when the sampling rate is 96 kHz, 112 * but according to ADI it is acceptable for this workaround. 113 */ 114 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0, 115 ADAU17X1_CONVERTER0_ADOSR, ADAU17X1_CONVERTER0_ADOSR); 116 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0, 117 ADAU17X1_CONVERTER0_ADOSR, 0); 118 119 return 0; 120 } 121 122 static const char * const adau17x1_mono_stereo_text[] = { 123 "Stereo", 124 "Mono Left Channel (L+R)", 125 "Mono Right Channel (L+R)", 126 "Mono (L+R)", 127 }; 128 129 static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum, 130 ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text); 131 132 static const struct snd_kcontrol_new adau17x1_dac_mode_mux = 133 SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum); 134 135 static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = { 136 SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event, 137 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 138 139 SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0), 140 141 SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0), 142 143 SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT, 144 0, 0, NULL, 0), 145 SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT, 146 1, 0, NULL, 0), 147 148 SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0, 149 &adau17x1_dac_mode_mux), 150 SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0, 151 &adau17x1_dac_mode_mux), 152 153 SND_SOC_DAPM_ADC_E("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0, 154 adau17x1_adc_fixup, SND_SOC_DAPM_POST_PMU), 155 SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0), 156 SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0), 157 SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0), 158 }; 159 160 static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = { 161 { "Left Decimator", NULL, "SYSCLK" }, 162 { "Right Decimator", NULL, "SYSCLK" }, 163 { "Left DAC", NULL, "SYSCLK" }, 164 { "Right DAC", NULL, "SYSCLK" }, 165 { "Capture", NULL, "SYSCLK" }, 166 { "Playback", NULL, "SYSCLK" }, 167 168 { "Left DAC", NULL, "Left DAC Mode Mux" }, 169 { "Right DAC", NULL, "Right DAC Mode Mux" }, 170 171 { "Capture", NULL, "AIFCLK" }, 172 { "Playback", NULL, "AIFCLK" }, 173 }; 174 175 static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = { 176 "SYSCLK", NULL, "PLL", 177 }; 178 179 /* 180 * The MUX register for the Capture and Playback MUXs selects either DSP as 181 * source/destination or one of the TDM slots. The TDM slot is selected via 182 * snd_soc_dai_set_tdm_slot(), so we only expose whether to go to the DSP or 183 * directly to the DAI interface with this control. 184 */ 185 static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol, 186 struct snd_ctl_elem_value *ucontrol) 187 { 188 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); 189 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 190 struct adau *adau = snd_soc_component_get_drvdata(component); 191 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 192 struct snd_soc_dapm_update update = {}; 193 unsigned int stream = e->shift_l; 194 unsigned int val, change; 195 int reg; 196 197 if (ucontrol->value.enumerated.item[0] >= e->items) 198 return -EINVAL; 199 200 switch (ucontrol->value.enumerated.item[0]) { 201 case 0: 202 val = 0; 203 adau->dsp_bypass[stream] = false; 204 break; 205 default: 206 val = (adau->tdm_slot[stream] * 2) + 1; 207 adau->dsp_bypass[stream] = true; 208 break; 209 } 210 211 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 212 reg = ADAU17X1_SERIAL_INPUT_ROUTE; 213 else 214 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE; 215 216 change = snd_soc_component_test_bits(component, reg, 0xff, val); 217 if (change) { 218 update.kcontrol = kcontrol; 219 update.mask = 0xff; 220 update.reg = reg; 221 update.val = val; 222 223 snd_soc_dapm_mux_update_power(dapm, kcontrol, 224 ucontrol->value.enumerated.item[0], e, &update); 225 } 226 227 return change; 228 } 229 230 static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol, 231 struct snd_ctl_elem_value *ucontrol) 232 { 233 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); 234 struct adau *adau = snd_soc_component_get_drvdata(component); 235 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 236 unsigned int stream = e->shift_l; 237 unsigned int reg, val; 238 int ret; 239 240 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 241 reg = ADAU17X1_SERIAL_INPUT_ROUTE; 242 else 243 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE; 244 245 ret = regmap_read(adau->regmap, reg, &val); 246 if (ret) 247 return ret; 248 249 if (val != 0) 250 val = 1; 251 ucontrol->value.enumerated.item[0] = val; 252 253 return 0; 254 } 255 256 #define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \ 257 const struct snd_kcontrol_new _name = \ 258 SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\ 259 SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \ 260 ARRAY_SIZE(_text), _text), \ 261 adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put) 262 263 static const char * const adau17x1_dac_mux_text[] = { 264 "DSP", 265 "AIFIN", 266 }; 267 268 static const char * const adau17x1_capture_mux_text[] = { 269 "DSP", 270 "Decimator", 271 }; 272 273 static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux", 274 SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text); 275 276 static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux", 277 SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text); 278 279 static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = { 280 SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0), 281 SND_SOC_DAPM_SIGGEN("DSP Siggen"), 282 283 SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0, 284 &adau17x1_dac_mux), 285 SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0, 286 &adau17x1_capture_mux), 287 }; 288 289 static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = { 290 { "DAC Playback Mux", "DSP", "DSP" }, 291 { "DAC Playback Mux", "AIFIN", "Playback" }, 292 293 { "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" }, 294 { "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" }, 295 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" }, 296 { "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" }, 297 { "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" }, 298 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" }, 299 300 { "Capture Mux", "DSP", "DSP" }, 301 { "Capture Mux", "Decimator", "Left Decimator" }, 302 { "Capture Mux", "Decimator", "Right Decimator" }, 303 304 { "Capture", NULL, "Capture Mux" }, 305 306 { "DSP", NULL, "DSP Siggen" }, 307 308 { "DSP", NULL, "Left Decimator" }, 309 { "DSP", NULL, "Right Decimator" }, 310 { "DSP", NULL, "Playback" }, 311 }; 312 313 static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = { 314 { "Left DAC Mode Mux", "Stereo", "Playback" }, 315 { "Left DAC Mode Mux", "Mono (L+R)", "Playback" }, 316 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" }, 317 { "Right DAC Mode Mux", "Stereo", "Playback" }, 318 { "Right DAC Mode Mux", "Mono (L+R)", "Playback" }, 319 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" }, 320 { "Capture", NULL, "Left Decimator" }, 321 { "Capture", NULL, "Right Decimator" }, 322 }; 323 324 static bool adau17x1_has_dsp(struct adau *adau) 325 { 326 switch (adau->type) { 327 case ADAU1761: 328 case ADAU1381: 329 case ADAU1781: 330 return true; 331 default: 332 return false; 333 } 334 } 335 336 /* Chip has a DSP but we're pretending it doesn't. */ 337 static bool adau17x1_has_disused_dsp(struct adau *adau) 338 { 339 switch (adau->type) { 340 case ADAU1761_AS_1361: 341 return true; 342 default: 343 return false; 344 } 345 } 346 347 static bool adau17x1_has_safeload(struct adau *adau) 348 { 349 switch (adau->type) { 350 case ADAU1761: 351 case ADAU1781: 352 return true; 353 default: 354 return false; 355 } 356 } 357 358 static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id, 359 int source, unsigned int freq_in, unsigned int freq_out) 360 { 361 struct snd_soc_component *component = dai->component; 362 struct adau *adau = snd_soc_component_get_drvdata(component); 363 int ret; 364 365 if (freq_in < 8000000 || freq_in > 27000000) 366 return -EINVAL; 367 368 ret = adau_calc_pll_cfg(freq_in, freq_out, adau->pll_regs); 369 if (ret < 0) 370 return ret; 371 372 /* The PLL register is 6 bytes long and can only be written at once. */ 373 ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL, 374 adau->pll_regs, ARRAY_SIZE(adau->pll_regs)); 375 if (ret) 376 return ret; 377 378 adau->pll_freq = freq_out; 379 380 return 0; 381 } 382 383 static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai, 384 int clk_id, unsigned int freq, int dir) 385 { 386 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(dai->component); 387 struct adau *adau = snd_soc_component_get_drvdata(dai->component); 388 bool is_pll; 389 bool was_pll; 390 391 switch (clk_id) { 392 case ADAU17X1_CLK_SRC_MCLK: 393 is_pll = false; 394 break; 395 case ADAU17X1_CLK_SRC_PLL_AUTO: 396 if (!adau->mclk) 397 return -EINVAL; 398 fallthrough; 399 case ADAU17X1_CLK_SRC_PLL: 400 is_pll = true; 401 break; 402 default: 403 return -EINVAL; 404 } 405 406 switch (adau->clk_src) { 407 case ADAU17X1_CLK_SRC_MCLK: 408 was_pll = false; 409 break; 410 case ADAU17X1_CLK_SRC_PLL: 411 case ADAU17X1_CLK_SRC_PLL_AUTO: 412 was_pll = true; 413 break; 414 default: 415 return -EINVAL; 416 } 417 418 adau->sysclk = freq; 419 420 if (is_pll != was_pll) { 421 if (is_pll) { 422 snd_soc_dapm_add_routes(dapm, 423 &adau17x1_dapm_pll_route, 1); 424 } else { 425 snd_soc_dapm_del_routes(dapm, 426 &adau17x1_dapm_pll_route, 1); 427 } 428 } 429 430 adau->clk_src = clk_id; 431 432 return 0; 433 } 434 435 static int adau17x1_auto_pll(struct snd_soc_dai *dai, 436 struct snd_pcm_hw_params *params) 437 { 438 struct adau *adau = snd_soc_dai_get_drvdata(dai); 439 unsigned int pll_rate; 440 441 switch (params_rate(params)) { 442 case 48000: 443 case 8000: 444 case 12000: 445 case 16000: 446 case 24000: 447 case 32000: 448 case 96000: 449 pll_rate = 48000 * 1024; 450 break; 451 case 44100: 452 case 7350: 453 case 11025: 454 case 14700: 455 case 22050: 456 case 29400: 457 case 88200: 458 pll_rate = 44100 * 1024; 459 break; 460 default: 461 return -EINVAL; 462 } 463 464 return adau17x1_set_dai_pll(dai, ADAU17X1_PLL, ADAU17X1_PLL_SRC_MCLK, 465 clk_get_rate(adau->mclk), pll_rate); 466 } 467 468 static int adau17x1_hw_params(struct snd_pcm_substream *substream, 469 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 470 { 471 struct snd_soc_component *component = dai->component; 472 struct adau *adau = snd_soc_component_get_drvdata(component); 473 unsigned int val, div, dsp_div; 474 unsigned int freq; 475 int ret; 476 477 switch (adau->clk_src) { 478 case ADAU17X1_CLK_SRC_PLL_AUTO: 479 ret = adau17x1_auto_pll(dai, params); 480 if (ret) 481 return ret; 482 fallthrough; 483 case ADAU17X1_CLK_SRC_PLL: 484 freq = adau->pll_freq; 485 break; 486 default: 487 freq = adau->sysclk; 488 break; 489 } 490 491 if (freq % params_rate(params) != 0) 492 return -EINVAL; 493 494 switch (freq / params_rate(params)) { 495 case 1024: /* fs */ 496 div = 0; 497 dsp_div = 1; 498 break; 499 case 6144: /* fs / 6 */ 500 div = 1; 501 dsp_div = 6; 502 break; 503 case 4096: /* fs / 4 */ 504 div = 2; 505 dsp_div = 5; 506 break; 507 case 3072: /* fs / 3 */ 508 div = 3; 509 dsp_div = 4; 510 break; 511 case 2048: /* fs / 2 */ 512 div = 4; 513 dsp_div = 3; 514 break; 515 case 1536: /* fs / 1.5 */ 516 div = 5; 517 dsp_div = 2; 518 break; 519 case 512: /* fs / 0.5 */ 520 div = 6; 521 dsp_div = 0; 522 break; 523 default: 524 return -EINVAL; 525 } 526 527 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0, 528 ADAU17X1_CONVERTER0_CONVSR_MASK, div); 529 530 if (adau17x1_has_dsp(adau) || adau17x1_has_disused_dsp(adau)) 531 regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div); 532 if (adau17x1_has_dsp(adau)) 533 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div); 534 535 if (adau->sigmadsp) { 536 ret = adau17x1_setup_firmware(component, params_rate(params)); 537 if (ret < 0) 538 return ret; 539 } 540 541 if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J) 542 return 0; 543 544 switch (params_width(params)) { 545 case 16: 546 val = ADAU17X1_SERIAL_PORT1_DELAY16; 547 break; 548 case 24: 549 val = ADAU17X1_SERIAL_PORT1_DELAY8; 550 break; 551 case 32: 552 val = ADAU17X1_SERIAL_PORT1_DELAY0; 553 break; 554 default: 555 return -EINVAL; 556 } 557 558 return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1, 559 ADAU17X1_SERIAL_PORT1_DELAY_MASK, val); 560 } 561 562 static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai, 563 unsigned int fmt) 564 { 565 struct adau *adau = snd_soc_component_get_drvdata(dai->component); 566 unsigned int ctrl0, ctrl1; 567 unsigned int ctrl0_mask; 568 int lrclk_pol; 569 570 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 571 case SND_SOC_DAIFMT_CBP_CFP: 572 ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER; 573 adau->master = true; 574 break; 575 case SND_SOC_DAIFMT_CBC_CFC: 576 ctrl0 = 0; 577 adau->master = false; 578 break; 579 default: 580 return -EINVAL; 581 } 582 583 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 584 case SND_SOC_DAIFMT_I2S: 585 lrclk_pol = 0; 586 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1; 587 break; 588 case SND_SOC_DAIFMT_LEFT_J: 589 case SND_SOC_DAIFMT_RIGHT_J: 590 lrclk_pol = 1; 591 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0; 592 break; 593 case SND_SOC_DAIFMT_DSP_A: 594 lrclk_pol = 1; 595 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE; 596 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1; 597 break; 598 case SND_SOC_DAIFMT_DSP_B: 599 lrclk_pol = 1; 600 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE; 601 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0; 602 break; 603 default: 604 return -EINVAL; 605 } 606 607 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 608 case SND_SOC_DAIFMT_NB_NF: 609 break; 610 case SND_SOC_DAIFMT_IB_NF: 611 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL; 612 break; 613 case SND_SOC_DAIFMT_NB_IF: 614 lrclk_pol = !lrclk_pol; 615 break; 616 case SND_SOC_DAIFMT_IB_IF: 617 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL; 618 lrclk_pol = !lrclk_pol; 619 break; 620 default: 621 return -EINVAL; 622 } 623 624 if (lrclk_pol) 625 ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL; 626 627 /* Set the mask to update all relevant bits in ADAU17X1_SERIAL_PORT0 */ 628 ctrl0_mask = ADAU17X1_SERIAL_PORT0_MASTER | 629 ADAU17X1_SERIAL_PORT0_LRCLK_POL | 630 ADAU17X1_SERIAL_PORT0_BCLK_POL | 631 ADAU17X1_SERIAL_PORT0_PULSE_MODE; 632 633 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0_mask, 634 ctrl0); 635 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1, 636 ADAU17X1_SERIAL_PORT1_DELAY_MASK, ctrl1); 637 638 adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK; 639 640 return 0; 641 } 642 643 static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai, 644 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) 645 { 646 struct adau *adau = snd_soc_component_get_drvdata(dai->component); 647 unsigned int ser_ctrl0, ser_ctrl1; 648 unsigned int conv_ctrl0, conv_ctrl1; 649 650 /* I2S mode */ 651 if (slots == 0) { 652 slots = 2; 653 rx_mask = 3; 654 tx_mask = 3; 655 slot_width = 32; 656 } 657 658 switch (slots) { 659 case 2: 660 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO; 661 break; 662 case 4: 663 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4; 664 break; 665 case 8: 666 if (adau->type == ADAU1361) 667 return -EINVAL; 668 669 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8; 670 break; 671 default: 672 return -EINVAL; 673 } 674 675 switch (slot_width * slots) { 676 case 32: 677 if (adau->type == ADAU1761 || adau->type == ADAU1761_AS_1361) 678 return -EINVAL; 679 680 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32; 681 break; 682 case 64: 683 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64; 684 break; 685 case 48: 686 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48; 687 break; 688 case 128: 689 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128; 690 break; 691 case 256: 692 if (adau->type == ADAU1361) 693 return -EINVAL; 694 695 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256; 696 break; 697 default: 698 return -EINVAL; 699 } 700 701 switch (rx_mask) { 702 case 0x03: 703 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1); 704 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0; 705 break; 706 case 0x0c: 707 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2); 708 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1; 709 break; 710 case 0x30: 711 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3); 712 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2; 713 break; 714 case 0xc0: 715 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4); 716 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3; 717 break; 718 default: 719 return -EINVAL; 720 } 721 722 switch (tx_mask) { 723 case 0x03: 724 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1); 725 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0; 726 break; 727 case 0x0c: 728 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2); 729 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1; 730 break; 731 case 0x30: 732 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3); 733 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2; 734 break; 735 case 0xc0: 736 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4); 737 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3; 738 break; 739 default: 740 return -EINVAL; 741 } 742 743 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0, 744 ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0); 745 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1, 746 ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1); 747 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0, 748 ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0); 749 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1, 750 ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1); 751 752 if (!adau17x1_has_dsp(adau) && !adau17x1_has_disused_dsp(adau)) 753 return 0; 754 755 if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) { 756 regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE, 757 (adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1); 758 } 759 760 if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) { 761 regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE, 762 (adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1); 763 } 764 765 return 0; 766 } 767 768 static int adau17x1_startup(struct snd_pcm_substream *substream, 769 struct snd_soc_dai *dai) 770 { 771 struct adau *adau = snd_soc_component_get_drvdata(dai->component); 772 773 if (adau->sigmadsp) 774 return sigmadsp_restrict_params(adau->sigmadsp, substream); 775 776 return 0; 777 } 778 779 const struct snd_soc_dai_ops adau17x1_dai_ops = { 780 .hw_params = adau17x1_hw_params, 781 .set_sysclk = adau17x1_set_dai_sysclk, 782 .set_fmt = adau17x1_set_dai_fmt, 783 .set_pll = adau17x1_set_dai_pll, 784 .set_tdm_slot = adau17x1_set_dai_tdm_slot, 785 .startup = adau17x1_startup, 786 }; 787 EXPORT_SYMBOL_GPL(adau17x1_dai_ops); 788 789 int adau17x1_set_micbias_voltage(struct snd_soc_component *component, 790 enum adau17x1_micbias_voltage micbias) 791 { 792 struct adau *adau = snd_soc_component_get_drvdata(component); 793 794 switch (micbias) { 795 case ADAU17X1_MICBIAS_0_90_AVDD: 796 case ADAU17X1_MICBIAS_0_65_AVDD: 797 break; 798 default: 799 return -EINVAL; 800 } 801 802 return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2); 803 } 804 EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage); 805 806 bool adau17x1_precious_register(struct device *dev, unsigned int reg) 807 { 808 /* SigmaDSP parameter memory */ 809 if (reg < 0x400) 810 return true; 811 812 return false; 813 } 814 EXPORT_SYMBOL_GPL(adau17x1_precious_register); 815 816 bool adau17x1_readable_register(struct device *dev, unsigned int reg) 817 { 818 /* SigmaDSP parameter memory */ 819 if (reg < 0x400) 820 return true; 821 822 switch (reg) { 823 case ADAU17X1_CLOCK_CONTROL: 824 case ADAU17X1_PLL_CONTROL: 825 case ADAU17X1_REC_POWER_MGMT: 826 case ADAU17X1_MICBIAS: 827 case ADAU17X1_SERIAL_PORT0: 828 case ADAU17X1_SERIAL_PORT1: 829 case ADAU17X1_CONVERTER0: 830 case ADAU17X1_CONVERTER1: 831 case ADAU17X1_LEFT_INPUT_DIGITAL_VOL: 832 case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL: 833 case ADAU17X1_ADC_CONTROL: 834 case ADAU17X1_PLAY_POWER_MGMT: 835 case ADAU17X1_DAC_CONTROL0: 836 case ADAU17X1_DAC_CONTROL1: 837 case ADAU17X1_DAC_CONTROL2: 838 case ADAU17X1_SERIAL_PORT_PAD: 839 case ADAU17X1_CONTROL_PORT_PAD0: 840 case ADAU17X1_CONTROL_PORT_PAD1: 841 case ADAU17X1_DSP_SAMPLING_RATE: 842 case ADAU17X1_SERIAL_INPUT_ROUTE: 843 case ADAU17X1_SERIAL_OUTPUT_ROUTE: 844 case ADAU17X1_DSP_ENABLE: 845 case ADAU17X1_DSP_RUN: 846 case ADAU17X1_SERIAL_SAMPLING_RATE: 847 return true; 848 default: 849 break; 850 } 851 return false; 852 } 853 EXPORT_SYMBOL_GPL(adau17x1_readable_register); 854 855 bool adau17x1_volatile_register(struct device *dev, unsigned int reg) 856 { 857 /* SigmaDSP parameter and program memory */ 858 if (reg < 0x4000) 859 return true; 860 861 switch (reg) { 862 /* The PLL register is 6 bytes long */ 863 case ADAU17X1_PLL_CONTROL: 864 case ADAU17X1_PLL_CONTROL + 1: 865 case ADAU17X1_PLL_CONTROL + 2: 866 case ADAU17X1_PLL_CONTROL + 3: 867 case ADAU17X1_PLL_CONTROL + 4: 868 case ADAU17X1_PLL_CONTROL + 5: 869 return true; 870 default: 871 break; 872 } 873 874 return false; 875 } 876 EXPORT_SYMBOL_GPL(adau17x1_volatile_register); 877 878 static int adau17x1_setup_firmware(struct snd_soc_component *component, 879 unsigned int rate) 880 { 881 int ret; 882 int dspsr, dsp_run; 883 struct adau *adau = snd_soc_component_get_drvdata(component); 884 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 885 886 /* Check if sample rate is the same as before. If it is there is no 887 * point in performing the below steps as the call to 888 * sigmadsp_setup(...) will return directly when it finds the sample 889 * rate to be the same as before. By checking this we can prevent an 890 * audiable popping noise which occours when toggling DSP_RUN. 891 */ 892 if (adau->sigmadsp->current_samplerate == rate) 893 return 0; 894 895 snd_soc_dapm_mutex_lock(dapm); 896 897 ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr); 898 if (ret) 899 goto err; 900 901 ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run); 902 if (ret) 903 goto err; 904 905 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1); 906 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf); 907 regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0); 908 909 ret = sigmadsp_setup(adau->sigmadsp, rate); 910 if (ret) { 911 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0); 912 goto err; 913 } 914 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr); 915 regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run); 916 917 err: 918 snd_soc_dapm_mutex_unlock(dapm); 919 920 return ret; 921 } 922 923 int adau17x1_add_widgets(struct snd_soc_component *component) 924 { 925 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 926 struct adau *adau = snd_soc_component_get_drvdata(component); 927 int ret; 928 929 ret = snd_soc_add_component_controls(component, adau17x1_controls, 930 ARRAY_SIZE(adau17x1_controls)); 931 if (ret) 932 return ret; 933 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets, 934 ARRAY_SIZE(adau17x1_dapm_widgets)); 935 if (ret) 936 return ret; 937 938 if (adau17x1_has_dsp(adau)) { 939 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets, 940 ARRAY_SIZE(adau17x1_dsp_dapm_widgets)); 941 if (ret) 942 return ret; 943 944 if (!adau->sigmadsp) 945 return 0; 946 947 ret = sigmadsp_attach(adau->sigmadsp, component); 948 if (ret) { 949 dev_err(component->dev, "Failed to attach firmware: %d\n", 950 ret); 951 return ret; 952 } 953 } 954 955 return 0; 956 } 957 EXPORT_SYMBOL_GPL(adau17x1_add_widgets); 958 959 int adau17x1_add_routes(struct snd_soc_component *component) 960 { 961 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 962 struct adau *adau = snd_soc_component_get_drvdata(component); 963 int ret; 964 965 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dapm_routes, 966 ARRAY_SIZE(adau17x1_dapm_routes)); 967 if (ret) 968 return ret; 969 970 if (adau17x1_has_dsp(adau)) { 971 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dsp_dapm_routes, 972 ARRAY_SIZE(adau17x1_dsp_dapm_routes)); 973 } else { 974 ret = snd_soc_dapm_add_routes(dapm, adau17x1_no_dsp_dapm_routes, 975 ARRAY_SIZE(adau17x1_no_dsp_dapm_routes)); 976 } 977 978 if (adau->clk_src != ADAU17X1_CLK_SRC_MCLK) 979 snd_soc_dapm_add_routes(dapm, &adau17x1_dapm_pll_route, 1); 980 981 return ret; 982 } 983 EXPORT_SYMBOL_GPL(adau17x1_add_routes); 984 985 int adau17x1_resume(struct snd_soc_component *component) 986 { 987 struct adau *adau = snd_soc_component_get_drvdata(component); 988 989 if (adau->switch_mode) 990 adau->switch_mode(component->dev); 991 992 regcache_sync(adau->regmap); 993 994 return 0; 995 } 996 EXPORT_SYMBOL_GPL(adau17x1_resume); 997 998 static int adau17x1_safeload(struct sigmadsp *sigmadsp, unsigned int addr, 999 const uint8_t bytes[], size_t len) 1000 { 1001 uint8_t buf[ADAU17X1_WORD_SIZE]; 1002 uint8_t data[ADAU17X1_SAFELOAD_DATA_SIZE]; 1003 unsigned int addr_offset; 1004 unsigned int nbr_words; 1005 int ret; 1006 1007 /* write data to safeload addresses. Check if len is not a multiple of 1008 * 4 bytes, if so we need to zero pad. 1009 */ 1010 nbr_words = len / ADAU17X1_WORD_SIZE; 1011 if ((len - nbr_words * ADAU17X1_WORD_SIZE) == 0) { 1012 ret = regmap_raw_write(sigmadsp->control_data, 1013 ADAU17X1_SAFELOAD_DATA, bytes, len); 1014 } else { 1015 nbr_words++; 1016 memset(data, 0, ADAU17X1_SAFELOAD_DATA_SIZE); 1017 memcpy(data, bytes, len); 1018 ret = regmap_raw_write(sigmadsp->control_data, 1019 ADAU17X1_SAFELOAD_DATA, data, 1020 nbr_words * ADAU17X1_WORD_SIZE); 1021 } 1022 1023 if (ret < 0) 1024 return ret; 1025 1026 /* Write target address, target address is offset by 1 */ 1027 addr_offset = addr - 1; 1028 put_unaligned_be32(addr_offset, buf); 1029 ret = regmap_raw_write(sigmadsp->control_data, 1030 ADAU17X1_SAFELOAD_TARGET_ADDRESS, buf, ADAU17X1_WORD_SIZE); 1031 if (ret < 0) 1032 return ret; 1033 1034 /* write nbr of words to trigger address */ 1035 put_unaligned_be32(nbr_words, buf); 1036 ret = regmap_raw_write(sigmadsp->control_data, 1037 ADAU17X1_SAFELOAD_TRIGGER, buf, ADAU17X1_WORD_SIZE); 1038 if (ret < 0) 1039 return ret; 1040 1041 return 0; 1042 } 1043 1044 static const struct sigmadsp_ops adau17x1_sigmadsp_ops = { 1045 .safeload = adau17x1_safeload, 1046 }; 1047 1048 int adau17x1_probe(struct device *dev, struct regmap *regmap, 1049 enum adau17x1_type type, void (*switch_mode)(struct device *dev), 1050 const char *firmware_name) 1051 { 1052 struct adau *adau; 1053 int ret; 1054 1055 if (IS_ERR(regmap)) 1056 return PTR_ERR(regmap); 1057 1058 adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL); 1059 if (!adau) 1060 return -ENOMEM; 1061 1062 adau->mclk = devm_clk_get(dev, "mclk"); 1063 if (IS_ERR(adau->mclk)) { 1064 if (PTR_ERR(adau->mclk) != -ENOENT) 1065 return PTR_ERR(adau->mclk); 1066 /* Clock is optional (for the driver) */ 1067 adau->mclk = NULL; 1068 } else if (adau->mclk) { 1069 adau->clk_src = ADAU17X1_CLK_SRC_PLL_AUTO; 1070 1071 /* 1072 * Any valid PLL output rate will work at this point, use one 1073 * that is likely to be chosen later as well. The register will 1074 * be written when the PLL is powered up for the first time. 1075 */ 1076 ret = adau_calc_pll_cfg(clk_get_rate(adau->mclk), 48000 * 1024, 1077 adau->pll_regs); 1078 if (ret < 0) 1079 return ret; 1080 1081 ret = clk_prepare_enable(adau->mclk); 1082 if (ret) 1083 return ret; 1084 } 1085 1086 adau->regmap = regmap; 1087 adau->switch_mode = switch_mode; 1088 adau->type = type; 1089 1090 dev_set_drvdata(dev, adau); 1091 1092 if (firmware_name) { 1093 if (adau17x1_has_safeload(adau)) { 1094 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap, 1095 &adau17x1_sigmadsp_ops, firmware_name); 1096 } else { 1097 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap, 1098 NULL, firmware_name); 1099 } 1100 if (IS_ERR(adau->sigmadsp)) { 1101 dev_warn(dev, "Could not find firmware file: %ld\n", 1102 PTR_ERR(adau->sigmadsp)); 1103 adau->sigmadsp = NULL; 1104 } 1105 } 1106 1107 if (switch_mode) 1108 switch_mode(dev); 1109 1110 return 0; 1111 } 1112 EXPORT_SYMBOL_GPL(adau17x1_probe); 1113 1114 void adau17x1_remove(struct device *dev) 1115 { 1116 struct adau *adau = dev_get_drvdata(dev); 1117 1118 clk_disable_unprepare(adau->mclk); 1119 } 1120 EXPORT_SYMBOL_GPL(adau17x1_remove); 1121 1122 MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code"); 1123 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); 1124 MODULE_LICENSE("GPL"); 1125