1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * wm8903.c -- WM8903 ALSA SoC Audio driver 4 * 5 * Copyright 2008-12 Wolfson Microelectronics 6 * Copyright 2011-2012 NVIDIA, Inc. 7 * 8 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 9 * 10 * TODO: 11 * - TDM mode configuration. 12 */ 13 14 #include <linux/module.h> 15 #include <linux/moduleparam.h> 16 #include <linux/init.h> 17 #include <linux/completion.h> 18 #include <linux/delay.h> 19 #include <linux/gpio/driver.h> 20 #include <linux/pm.h> 21 #include <linux/i2c.h> 22 #include <linux/regmap.h> 23 #include <linux/regulator/consumer.h> 24 #include <linux/slab.h> 25 #include <linux/irq.h> 26 #include <linux/mutex.h> 27 #include <sound/core.h> 28 #include <sound/jack.h> 29 #include <sound/pcm.h> 30 #include <sound/pcm_params.h> 31 #include <sound/tlv.h> 32 #include <sound/soc.h> 33 #include <sound/initval.h> 34 #include <sound/wm8903.h> 35 #include <trace/events/asoc.h> 36 37 #include "wm8903.h" 38 39 /* Register defaults at reset */ 40 static const struct reg_default wm8903_reg_defaults[] = { 41 { 4, 0x0018 }, /* R4 - Bias Control 0 */ 42 { 5, 0x0000 }, /* R5 - VMID Control 0 */ 43 { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */ 44 { 8, 0x0001 }, /* R8 - Analogue DAC 0 */ 45 { 10, 0x0001 }, /* R10 - Analogue ADC 0 */ 46 { 12, 0x0000 }, /* R12 - Power Management 0 */ 47 { 13, 0x0000 }, /* R13 - Power Management 1 */ 48 { 14, 0x0000 }, /* R14 - Power Management 2 */ 49 { 15, 0x0000 }, /* R15 - Power Management 3 */ 50 { 16, 0x0000 }, /* R16 - Power Management 4 */ 51 { 17, 0x0000 }, /* R17 - Power Management 5 */ 52 { 18, 0x0000 }, /* R18 - Power Management 6 */ 53 { 20, 0x0400 }, /* R20 - Clock Rates 0 */ 54 { 21, 0x0D07 }, /* R21 - Clock Rates 1 */ 55 { 22, 0x0000 }, /* R22 - Clock Rates 2 */ 56 { 24, 0x0050 }, /* R24 - Audio Interface 0 */ 57 { 25, 0x0242 }, /* R25 - Audio Interface 1 */ 58 { 26, 0x0008 }, /* R26 - Audio Interface 2 */ 59 { 27, 0x0022 }, /* R27 - Audio Interface 3 */ 60 { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */ 61 { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */ 62 { 32, 0x0000 }, /* R32 - DAC Digital 0 */ 63 { 33, 0x0000 }, /* R33 - DAC Digital 1 */ 64 { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */ 65 { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */ 66 { 38, 0x0000 }, /* R38 - ADC Digital 0 */ 67 { 39, 0x0073 }, /* R39 - Digital Microphone 0 */ 68 { 40, 0x09BF }, /* R40 - DRC 0 */ 69 { 41, 0x3241 }, /* R41 - DRC 1 */ 70 { 42, 0x0020 }, /* R42 - DRC 2 */ 71 { 43, 0x0000 }, /* R43 - DRC 3 */ 72 { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */ 73 { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */ 74 { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */ 75 { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */ 76 { 50, 0x0008 }, /* R50 - Analogue Left Mix 0 */ 77 { 51, 0x0004 }, /* R51 - Analogue Right Mix 0 */ 78 { 52, 0x0000 }, /* R52 - Analogue Spk Mix Left 0 */ 79 { 53, 0x0000 }, /* R53 - Analogue Spk Mix Left 1 */ 80 { 54, 0x0000 }, /* R54 - Analogue Spk Mix Right 0 */ 81 { 55, 0x0000 }, /* R55 - Analogue Spk Mix Right 1 */ 82 { 57, 0x002D }, /* R57 - Analogue OUT1 Left */ 83 { 58, 0x002D }, /* R58 - Analogue OUT1 Right */ 84 { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */ 85 { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */ 86 { 62, 0x0139 }, /* R62 - Analogue OUT3 Left */ 87 { 63, 0x0139 }, /* R63 - Analogue OUT3 Right */ 88 { 64, 0x0000 }, /* R65 - Analogue SPK Output Control 0 */ 89 { 67, 0x0010 }, /* R67 - DC Servo 0 */ 90 { 69, 0x00A4 }, /* R69 - DC Servo 2 */ 91 { 90, 0x0000 }, /* R90 - Analogue HP 0 */ 92 { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */ 93 { 98, 0x0000 }, /* R98 - Charge Pump 0 */ 94 { 104, 0x0000 }, /* R104 - Class W 0 */ 95 { 108, 0x0000 }, /* R108 - Write Sequencer 0 */ 96 { 109, 0x0000 }, /* R109 - Write Sequencer 1 */ 97 { 110, 0x0000 }, /* R110 - Write Sequencer 2 */ 98 { 111, 0x0000 }, /* R111 - Write Sequencer 3 */ 99 { 112, 0x0000 }, /* R112 - Write Sequencer 4 */ 100 { 114, 0x0000 }, /* R114 - Control Interface */ 101 { 116, 0x00A8 }, /* R116 - GPIO Control 1 */ 102 { 117, 0x00A8 }, /* R117 - GPIO Control 2 */ 103 { 118, 0x00A8 }, /* R118 - GPIO Control 3 */ 104 { 119, 0x0220 }, /* R119 - GPIO Control 4 */ 105 { 120, 0x01A0 }, /* R120 - GPIO Control 5 */ 106 { 122, 0xFFFF }, /* R122 - Interrupt Status 1 Mask */ 107 { 123, 0x0000 }, /* R123 - Interrupt Polarity 1 */ 108 { 126, 0x0000 }, /* R126 - Interrupt Control */ 109 { 129, 0x0000 }, /* R129 - Control Interface Test 1 */ 110 { 149, 0x6810 }, /* R149 - Charge Pump Test 1 */ 111 { 164, 0x0028 }, /* R164 - Clock Rate Test 4 */ 112 { 172, 0x0000 }, /* R172 - Analogue Output Bias 0 */ 113 }; 114 115 #define WM8903_NUM_SUPPLIES 4 116 static const char *wm8903_supply_names[WM8903_NUM_SUPPLIES] = { 117 "AVDD", 118 "CPVDD", 119 "DBVDD", 120 "DCVDD", 121 }; 122 123 struct wm8903_priv { 124 struct wm8903_platform_data *pdata; 125 struct device *dev; 126 struct regmap *regmap; 127 struct regulator_bulk_data supplies[WM8903_NUM_SUPPLIES]; 128 129 int sysclk; 130 int irq; 131 132 struct mutex lock; 133 int fs; 134 int deemph; 135 136 int dcs_pending; 137 int dcs_cache[4]; 138 139 /* Reference count */ 140 int class_w_users; 141 142 struct snd_soc_jack *mic_jack; 143 int mic_det; 144 int mic_short; 145 int mic_last_report; 146 int mic_delay; 147 148 #ifdef CONFIG_GPIOLIB 149 struct gpio_chip gpio_chip; 150 #endif 151 }; 152 153 static bool wm8903_readable_register(struct device *dev, unsigned int reg) 154 { 155 switch (reg) { 156 case WM8903_SW_RESET_AND_ID: 157 case WM8903_REVISION_NUMBER: 158 case WM8903_BIAS_CONTROL_0: 159 case WM8903_VMID_CONTROL_0: 160 case WM8903_MIC_BIAS_CONTROL_0: 161 case WM8903_ANALOGUE_DAC_0: 162 case WM8903_ANALOGUE_ADC_0: 163 case WM8903_POWER_MANAGEMENT_0: 164 case WM8903_POWER_MANAGEMENT_1: 165 case WM8903_POWER_MANAGEMENT_2: 166 case WM8903_POWER_MANAGEMENT_3: 167 case WM8903_POWER_MANAGEMENT_4: 168 case WM8903_POWER_MANAGEMENT_5: 169 case WM8903_POWER_MANAGEMENT_6: 170 case WM8903_CLOCK_RATES_0: 171 case WM8903_CLOCK_RATES_1: 172 case WM8903_CLOCK_RATES_2: 173 case WM8903_AUDIO_INTERFACE_0: 174 case WM8903_AUDIO_INTERFACE_1: 175 case WM8903_AUDIO_INTERFACE_2: 176 case WM8903_AUDIO_INTERFACE_3: 177 case WM8903_DAC_DIGITAL_VOLUME_LEFT: 178 case WM8903_DAC_DIGITAL_VOLUME_RIGHT: 179 case WM8903_DAC_DIGITAL_0: 180 case WM8903_DAC_DIGITAL_1: 181 case WM8903_ADC_DIGITAL_VOLUME_LEFT: 182 case WM8903_ADC_DIGITAL_VOLUME_RIGHT: 183 case WM8903_ADC_DIGITAL_0: 184 case WM8903_DIGITAL_MICROPHONE_0: 185 case WM8903_DRC_0: 186 case WM8903_DRC_1: 187 case WM8903_DRC_2: 188 case WM8903_DRC_3: 189 case WM8903_ANALOGUE_LEFT_INPUT_0: 190 case WM8903_ANALOGUE_RIGHT_INPUT_0: 191 case WM8903_ANALOGUE_LEFT_INPUT_1: 192 case WM8903_ANALOGUE_RIGHT_INPUT_1: 193 case WM8903_ANALOGUE_LEFT_MIX_0: 194 case WM8903_ANALOGUE_RIGHT_MIX_0: 195 case WM8903_ANALOGUE_SPK_MIX_LEFT_0: 196 case WM8903_ANALOGUE_SPK_MIX_LEFT_1: 197 case WM8903_ANALOGUE_SPK_MIX_RIGHT_0: 198 case WM8903_ANALOGUE_SPK_MIX_RIGHT_1: 199 case WM8903_ANALOGUE_OUT1_LEFT: 200 case WM8903_ANALOGUE_OUT1_RIGHT: 201 case WM8903_ANALOGUE_OUT2_LEFT: 202 case WM8903_ANALOGUE_OUT2_RIGHT: 203 case WM8903_ANALOGUE_OUT3_LEFT: 204 case WM8903_ANALOGUE_OUT3_RIGHT: 205 case WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0: 206 case WM8903_DC_SERVO_0: 207 case WM8903_DC_SERVO_2: 208 case WM8903_DC_SERVO_READBACK_1: 209 case WM8903_DC_SERVO_READBACK_2: 210 case WM8903_DC_SERVO_READBACK_3: 211 case WM8903_DC_SERVO_READBACK_4: 212 case WM8903_ANALOGUE_HP_0: 213 case WM8903_ANALOGUE_LINEOUT_0: 214 case WM8903_CHARGE_PUMP_0: 215 case WM8903_CLASS_W_0: 216 case WM8903_WRITE_SEQUENCER_0: 217 case WM8903_WRITE_SEQUENCER_1: 218 case WM8903_WRITE_SEQUENCER_2: 219 case WM8903_WRITE_SEQUENCER_3: 220 case WM8903_WRITE_SEQUENCER_4: 221 case WM8903_CONTROL_INTERFACE: 222 case WM8903_GPIO_CONTROL_1: 223 case WM8903_GPIO_CONTROL_2: 224 case WM8903_GPIO_CONTROL_3: 225 case WM8903_GPIO_CONTROL_4: 226 case WM8903_GPIO_CONTROL_5: 227 case WM8903_INTERRUPT_STATUS_1: 228 case WM8903_INTERRUPT_STATUS_1_MASK: 229 case WM8903_INTERRUPT_POLARITY_1: 230 case WM8903_INTERRUPT_CONTROL: 231 case WM8903_CLOCK_RATE_TEST_4: 232 case WM8903_ANALOGUE_OUTPUT_BIAS_0: 233 return true; 234 default: 235 return false; 236 } 237 } 238 239 static bool wm8903_volatile_register(struct device *dev, unsigned int reg) 240 { 241 switch (reg) { 242 case WM8903_SW_RESET_AND_ID: 243 case WM8903_REVISION_NUMBER: 244 case WM8903_INTERRUPT_STATUS_1: 245 case WM8903_WRITE_SEQUENCER_4: 246 case WM8903_DC_SERVO_READBACK_1: 247 case WM8903_DC_SERVO_READBACK_2: 248 case WM8903_DC_SERVO_READBACK_3: 249 case WM8903_DC_SERVO_READBACK_4: 250 return true; 251 252 default: 253 return false; 254 } 255 } 256 257 static int wm8903_cp_event(struct snd_soc_dapm_widget *w, 258 struct snd_kcontrol *kcontrol, int event) 259 { 260 WARN_ON(event != SND_SOC_DAPM_POST_PMU); 261 mdelay(4); 262 263 return 0; 264 } 265 266 static int wm8903_dcs_event(struct snd_soc_dapm_widget *w, 267 struct snd_kcontrol *kcontrol, int event) 268 { 269 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 270 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 271 272 switch (event) { 273 case SND_SOC_DAPM_POST_PMU: 274 wm8903->dcs_pending |= 1 << w->shift; 275 break; 276 case SND_SOC_DAPM_PRE_PMD: 277 snd_soc_component_update_bits(component, WM8903_DC_SERVO_0, 278 1 << w->shift, 0); 279 break; 280 } 281 282 return 0; 283 } 284 285 #define WM8903_DCS_MODE_WRITE_STOP 0 286 #define WM8903_DCS_MODE_START_STOP 2 287 288 static void wm8903_seq_notifier(struct snd_soc_component *component, 289 enum snd_soc_dapm_type event, int subseq) 290 { 291 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 292 int dcs_mode = WM8903_DCS_MODE_WRITE_STOP; 293 int i, val; 294 295 /* Complete any pending DC servo starts */ 296 if (wm8903->dcs_pending) { 297 dev_dbg(component->dev, "Starting DC servo for %x\n", 298 wm8903->dcs_pending); 299 300 /* If we've no cached values then we need to do startup */ 301 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) { 302 if (!(wm8903->dcs_pending & (1 << i))) 303 continue; 304 305 if (wm8903->dcs_cache[i]) { 306 dev_dbg(component->dev, 307 "Restore DC servo %d value %x\n", 308 3 - i, wm8903->dcs_cache[i]); 309 310 snd_soc_component_write(component, WM8903_DC_SERVO_4 + i, 311 wm8903->dcs_cache[i] & 0xff); 312 } else { 313 dev_dbg(component->dev, 314 "Calibrate DC servo %d\n", 3 - i); 315 dcs_mode = WM8903_DCS_MODE_START_STOP; 316 } 317 } 318 319 /* Don't trust the cache for analogue */ 320 if (wm8903->class_w_users) 321 dcs_mode = WM8903_DCS_MODE_START_STOP; 322 323 snd_soc_component_update_bits(component, WM8903_DC_SERVO_2, 324 WM8903_DCS_MODE_MASK, dcs_mode); 325 326 snd_soc_component_update_bits(component, WM8903_DC_SERVO_0, 327 WM8903_DCS_ENA_MASK, wm8903->dcs_pending); 328 329 switch (dcs_mode) { 330 case WM8903_DCS_MODE_WRITE_STOP: 331 break; 332 333 case WM8903_DCS_MODE_START_STOP: 334 msleep(270); 335 336 /* Cache the measured offsets for digital */ 337 if (wm8903->class_w_users) 338 break; 339 340 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) { 341 if (!(wm8903->dcs_pending & (1 << i))) 342 continue; 343 344 val = snd_soc_component_read(component, 345 WM8903_DC_SERVO_READBACK_1 + i); 346 dev_dbg(component->dev, "DC servo %d: %x\n", 347 3 - i, val); 348 wm8903->dcs_cache[i] = val; 349 } 350 break; 351 352 default: 353 pr_warn("DCS mode %d delay not set\n", dcs_mode); 354 break; 355 } 356 357 wm8903->dcs_pending = 0; 358 } 359 } 360 361 /* 362 * When used with DAC outputs only the WM8903 charge pump supports 363 * operation in class W mode, providing very low power consumption 364 * when used with digital sources. Enable and disable this mode 365 * automatically depending on the mixer configuration. 366 * 367 * All the relevant controls are simple switches. 368 */ 369 static int wm8903_class_w_put(struct snd_kcontrol *kcontrol, 370 struct snd_ctl_elem_value *ucontrol) 371 { 372 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); 373 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 374 u16 reg; 375 int ret; 376 377 reg = snd_soc_component_read(component, WM8903_CLASS_W_0); 378 379 /* Turn it off if we're about to enable bypass */ 380 if (ucontrol->value.integer.value[0]) { 381 if (wm8903->class_w_users == 0) { 382 dev_dbg(component->dev, "Disabling Class W\n"); 383 snd_soc_component_write(component, WM8903_CLASS_W_0, reg & 384 ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V)); 385 } 386 wm8903->class_w_users++; 387 } 388 389 /* Implement the change */ 390 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol); 391 392 /* If we've just disabled the last bypass path turn Class W on */ 393 if (!ucontrol->value.integer.value[0]) { 394 if (wm8903->class_w_users == 1) { 395 dev_dbg(component->dev, "Enabling Class W\n"); 396 snd_soc_component_write(component, WM8903_CLASS_W_0, reg | 397 WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V); 398 } 399 wm8903->class_w_users--; 400 } 401 402 dev_dbg(component->dev, "Bypass use count now %d\n", 403 wm8903->class_w_users); 404 405 return ret; 406 } 407 408 #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \ 409 SOC_SINGLE_EXT(xname, reg, shift, max, invert, \ 410 snd_soc_dapm_get_volsw, wm8903_class_w_put) 411 412 413 static int wm8903_deemph[] = { 0, 32000, 44100, 48000 }; 414 415 static int wm8903_set_deemph(struct snd_soc_component *component) 416 { 417 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 418 int val, i, best; 419 420 /* If we're using deemphasis select the nearest available sample 421 * rate. 422 */ 423 if (wm8903->deemph) { 424 best = 1; 425 for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) { 426 if (abs(wm8903_deemph[i] - wm8903->fs) < 427 abs(wm8903_deemph[best] - wm8903->fs)) 428 best = i; 429 } 430 431 val = best << WM8903_DEEMPH_SHIFT; 432 } else { 433 best = 0; 434 val = 0; 435 } 436 437 dev_dbg(component->dev, "Set deemphasis %d (%dHz)\n", 438 best, wm8903_deemph[best]); 439 440 return snd_soc_component_update_bits(component, WM8903_DAC_DIGITAL_1, 441 WM8903_DEEMPH_MASK, val); 442 } 443 444 static int wm8903_get_deemph(struct snd_kcontrol *kcontrol, 445 struct snd_ctl_elem_value *ucontrol) 446 { 447 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 448 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 449 450 ucontrol->value.integer.value[0] = wm8903->deemph; 451 452 return 0; 453 } 454 455 static int wm8903_put_deemph(struct snd_kcontrol *kcontrol, 456 struct snd_ctl_elem_value *ucontrol) 457 { 458 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 459 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 460 unsigned int deemph = ucontrol->value.integer.value[0]; 461 int ret = 0; 462 463 if (deemph > 1) 464 return -EINVAL; 465 466 mutex_lock(&wm8903->lock); 467 if (wm8903->deemph != deemph) { 468 wm8903->deemph = deemph; 469 470 wm8903_set_deemph(component); 471 472 ret = 1; 473 } 474 mutex_unlock(&wm8903->lock); 475 476 return ret; 477 } 478 479 /* ALSA can only do steps of .01dB */ 480 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); 481 482 static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); 483 484 static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0); 485 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); 486 487 static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0); 488 static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0); 489 static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0); 490 static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0); 491 static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0); 492 493 static const char *hpf_mode_text[] = { 494 "Hi-fi", "Voice 1", "Voice 2", "Voice 3" 495 }; 496 497 static SOC_ENUM_SINGLE_DECL(hpf_mode, 498 WM8903_ADC_DIGITAL_0, 5, hpf_mode_text); 499 500 static const char *osr_text[] = { 501 "Low power", "High performance" 502 }; 503 504 static SOC_ENUM_SINGLE_DECL(adc_osr, 505 WM8903_ANALOGUE_ADC_0, 0, osr_text); 506 507 static SOC_ENUM_SINGLE_DECL(dac_osr, 508 WM8903_DAC_DIGITAL_1, 0, osr_text); 509 510 static const char *drc_slope_text[] = { 511 "1", "1/2", "1/4", "1/8", "1/16", "0" 512 }; 513 514 static SOC_ENUM_SINGLE_DECL(drc_slope_r0, 515 WM8903_DRC_2, 3, drc_slope_text); 516 517 static SOC_ENUM_SINGLE_DECL(drc_slope_r1, 518 WM8903_DRC_2, 0, drc_slope_text); 519 520 static const char *drc_attack_text[] = { 521 "instantaneous", 522 "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms", 523 "46.4ms", "92.8ms", "185.6ms" 524 }; 525 526 static SOC_ENUM_SINGLE_DECL(drc_attack, 527 WM8903_DRC_1, 12, drc_attack_text); 528 529 static const char *drc_decay_text[] = { 530 "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s", 531 "23.87s", "47.56s" 532 }; 533 534 static SOC_ENUM_SINGLE_DECL(drc_decay, 535 WM8903_DRC_1, 8, drc_decay_text); 536 537 static const char *drc_ff_delay_text[] = { 538 "5 samples", "9 samples" 539 }; 540 541 static SOC_ENUM_SINGLE_DECL(drc_ff_delay, 542 WM8903_DRC_0, 5, drc_ff_delay_text); 543 544 static const char *drc_qr_decay_text[] = { 545 "0.725ms", "1.45ms", "5.8ms" 546 }; 547 548 static SOC_ENUM_SINGLE_DECL(drc_qr_decay, 549 WM8903_DRC_1, 4, drc_qr_decay_text); 550 551 static const char *drc_smoothing_text[] = { 552 "Low", "Medium", "High" 553 }; 554 555 static SOC_ENUM_SINGLE_DECL(drc_smoothing, 556 WM8903_DRC_0, 11, drc_smoothing_text); 557 558 static const char *soft_mute_text[] = { 559 "Fast (fs/2)", "Slow (fs/32)" 560 }; 561 562 static SOC_ENUM_SINGLE_DECL(soft_mute, 563 WM8903_DAC_DIGITAL_1, 10, soft_mute_text); 564 565 static const char *mute_mode_text[] = { 566 "Hard", "Soft" 567 }; 568 569 static SOC_ENUM_SINGLE_DECL(mute_mode, 570 WM8903_DAC_DIGITAL_1, 9, mute_mode_text); 571 572 static const char *companding_text[] = { 573 "ulaw", "alaw" 574 }; 575 576 static SOC_ENUM_SINGLE_DECL(dac_companding, 577 WM8903_AUDIO_INTERFACE_0, 0, companding_text); 578 579 static SOC_ENUM_SINGLE_DECL(adc_companding, 580 WM8903_AUDIO_INTERFACE_0, 2, companding_text); 581 582 static const char *input_mode_text[] = { 583 "Single-Ended", "Differential Line", "Differential Mic" 584 }; 585 586 static SOC_ENUM_SINGLE_DECL(linput_mode_enum, 587 WM8903_ANALOGUE_LEFT_INPUT_1, 0, input_mode_text); 588 589 static SOC_ENUM_SINGLE_DECL(rinput_mode_enum, 590 WM8903_ANALOGUE_RIGHT_INPUT_1, 0, input_mode_text); 591 592 static const char *linput_mux_text[] = { 593 "IN1L", "IN2L", "IN3L" 594 }; 595 596 static SOC_ENUM_SINGLE_DECL(linput_enum, 597 WM8903_ANALOGUE_LEFT_INPUT_1, 2, linput_mux_text); 598 599 static SOC_ENUM_SINGLE_DECL(linput_inv_enum, 600 WM8903_ANALOGUE_LEFT_INPUT_1, 4, linput_mux_text); 601 602 static const char *rinput_mux_text[] = { 603 "IN1R", "IN2R", "IN3R" 604 }; 605 606 static SOC_ENUM_SINGLE_DECL(rinput_enum, 607 WM8903_ANALOGUE_RIGHT_INPUT_1, 2, rinput_mux_text); 608 609 static SOC_ENUM_SINGLE_DECL(rinput_inv_enum, 610 WM8903_ANALOGUE_RIGHT_INPUT_1, 4, rinput_mux_text); 611 612 613 static const char *sidetone_text[] = { 614 "None", "Left", "Right" 615 }; 616 617 static SOC_ENUM_SINGLE_DECL(lsidetone_enum, 618 WM8903_DAC_DIGITAL_0, 2, sidetone_text); 619 620 static SOC_ENUM_SINGLE_DECL(rsidetone_enum, 621 WM8903_DAC_DIGITAL_0, 0, sidetone_text); 622 623 static const char *adcinput_text[] = { 624 "ADC", "DMIC" 625 }; 626 627 static SOC_ENUM_SINGLE_DECL(adcinput_enum, 628 WM8903_CLOCK_RATE_TEST_4, 9, adcinput_text); 629 630 static const char *aif_text[] = { 631 "Left", "Right" 632 }; 633 634 static SOC_ENUM_SINGLE_DECL(lcapture_enum, 635 WM8903_AUDIO_INTERFACE_0, 7, aif_text); 636 637 static SOC_ENUM_SINGLE_DECL(rcapture_enum, 638 WM8903_AUDIO_INTERFACE_0, 6, aif_text); 639 640 static SOC_ENUM_SINGLE_DECL(lplay_enum, 641 WM8903_AUDIO_INTERFACE_0, 5, aif_text); 642 643 static SOC_ENUM_SINGLE_DECL(rplay_enum, 644 WM8903_AUDIO_INTERFACE_0, 4, aif_text); 645 646 static const struct snd_kcontrol_new wm8903_snd_controls[] = { 647 648 /* Input PGAs - No TLV since the scale depends on PGA mode */ 649 SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0, 650 7, 1, 1), 651 SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0, 652 0, 31, 0), 653 SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1, 654 6, 1, 0), 655 656 SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0, 657 7, 1, 1), 658 SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0, 659 0, 31, 0), 660 SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1, 661 6, 1, 0), 662 663 /* ADCs */ 664 SOC_ENUM("ADC OSR", adc_osr), 665 SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0), 666 SOC_ENUM("HPF Mode", hpf_mode), 667 SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0), 668 SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0), 669 SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1), 670 SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1, 671 drc_tlv_thresh), 672 SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp), 673 SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min), 674 SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max), 675 SOC_ENUM("DRC Attack Rate", drc_attack), 676 SOC_ENUM("DRC Decay Rate", drc_decay), 677 SOC_ENUM("DRC FF Delay", drc_ff_delay), 678 SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0), 679 SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0), 680 SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max), 681 SOC_ENUM("DRC QR Decay Rate", drc_qr_decay), 682 SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0), 683 SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0), 684 SOC_ENUM("DRC Smoothing Threshold", drc_smoothing), 685 SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup), 686 687 SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT, 688 WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), 689 SOC_ENUM("ADC Companding Mode", adc_companding), 690 SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0), 691 692 SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8, 693 12, 0, digital_sidetone_tlv), 694 695 /* DAC */ 696 SOC_ENUM("DAC OSR", dac_osr), 697 SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT, 698 WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), 699 SOC_ENUM("DAC Soft Mute Rate", soft_mute), 700 SOC_ENUM("DAC Mute Mode", mute_mode), 701 SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0), 702 SOC_ENUM("DAC Companding Mode", dac_companding), 703 SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0), 704 SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0, 705 dac_boost_tlv), 706 SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0, 707 wm8903_get_deemph, wm8903_put_deemph), 708 709 /* Headphones */ 710 SOC_DOUBLE_R("Headphone Switch", 711 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, 712 8, 1, 1), 713 SOC_DOUBLE_R("Headphone ZC Switch", 714 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, 715 6, 1, 0), 716 SOC_DOUBLE_R_TLV("Headphone Volume", 717 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT, 718 0, 63, 0, out_tlv), 719 720 /* Line out */ 721 SOC_DOUBLE_R("Line Out Switch", 722 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, 723 8, 1, 1), 724 SOC_DOUBLE_R("Line Out ZC Switch", 725 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, 726 6, 1, 0), 727 SOC_DOUBLE_R_TLV("Line Out Volume", 728 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT, 729 0, 63, 0, out_tlv), 730 731 /* Speaker */ 732 SOC_DOUBLE_R("Speaker Switch", 733 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1), 734 SOC_DOUBLE_R("Speaker ZC Switch", 735 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0), 736 SOC_DOUBLE_R_TLV("Speaker Volume", 737 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 738 0, 63, 0, out_tlv), 739 }; 740 741 static const struct snd_kcontrol_new linput_mode_mux = 742 SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum); 743 744 static const struct snd_kcontrol_new rinput_mode_mux = 745 SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum); 746 747 static const struct snd_kcontrol_new linput_mux = 748 SOC_DAPM_ENUM("Left Input Mux", linput_enum); 749 750 static const struct snd_kcontrol_new linput_inv_mux = 751 SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum); 752 753 static const struct snd_kcontrol_new rinput_mux = 754 SOC_DAPM_ENUM("Right Input Mux", rinput_enum); 755 756 static const struct snd_kcontrol_new rinput_inv_mux = 757 SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum); 758 759 static const struct snd_kcontrol_new lsidetone_mux = 760 SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum); 761 762 static const struct snd_kcontrol_new rsidetone_mux = 763 SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum); 764 765 static const struct snd_kcontrol_new adcinput_mux = 766 SOC_DAPM_ENUM("ADC Input", adcinput_enum); 767 768 static const struct snd_kcontrol_new lcapture_mux = 769 SOC_DAPM_ENUM("Left Capture Mux", lcapture_enum); 770 771 static const struct snd_kcontrol_new rcapture_mux = 772 SOC_DAPM_ENUM("Right Capture Mux", rcapture_enum); 773 774 static const struct snd_kcontrol_new lplay_mux = 775 SOC_DAPM_ENUM("Left Playback Mux", lplay_enum); 776 777 static const struct snd_kcontrol_new rplay_mux = 778 SOC_DAPM_ENUM("Right Playback Mux", rplay_enum); 779 780 static const struct snd_kcontrol_new left_output_mixer[] = { 781 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0), 782 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0), 783 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0), 784 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0), 785 }; 786 787 static const struct snd_kcontrol_new right_output_mixer[] = { 788 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0), 789 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0), 790 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0), 791 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0), 792 }; 793 794 static const struct snd_kcontrol_new left_speaker_mixer[] = { 795 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0), 796 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0), 797 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0), 798 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 799 0, 1, 0), 800 }; 801 802 static const struct snd_kcontrol_new right_speaker_mixer[] = { 803 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0), 804 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0), 805 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 806 1, 1, 0), 807 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 808 0, 1, 0), 809 }; 810 811 static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = { 812 SND_SOC_DAPM_INPUT("IN1L"), 813 SND_SOC_DAPM_INPUT("IN1R"), 814 SND_SOC_DAPM_INPUT("IN2L"), 815 SND_SOC_DAPM_INPUT("IN2R"), 816 SND_SOC_DAPM_INPUT("IN3L"), 817 SND_SOC_DAPM_INPUT("IN3R"), 818 SND_SOC_DAPM_INPUT("DMICDAT"), 819 820 SND_SOC_DAPM_OUTPUT("HPOUTL"), 821 SND_SOC_DAPM_OUTPUT("HPOUTR"), 822 SND_SOC_DAPM_OUTPUT("LINEOUTL"), 823 SND_SOC_DAPM_OUTPUT("LINEOUTR"), 824 SND_SOC_DAPM_OUTPUT("LOP"), 825 SND_SOC_DAPM_OUTPUT("LON"), 826 SND_SOC_DAPM_OUTPUT("ROP"), 827 SND_SOC_DAPM_OUTPUT("RON"), 828 829 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8903_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0), 830 831 SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux), 832 SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0, 833 &linput_inv_mux), 834 SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux), 835 836 SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux), 837 SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0, 838 &rinput_inv_mux), 839 SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux), 840 841 SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0), 842 SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0), 843 844 SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux), 845 SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux), 846 847 SND_SOC_DAPM_ADC("ADCL", NULL, WM8903_POWER_MANAGEMENT_6, 1, 0), 848 SND_SOC_DAPM_ADC("ADCR", NULL, WM8903_POWER_MANAGEMENT_6, 0, 0), 849 850 SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lcapture_mux), 851 SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rcapture_mux), 852 853 SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0), 854 SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0), 855 856 SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux), 857 SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux), 858 859 SND_SOC_DAPM_AIF_IN("AIFRXL", "Left Playback", 0, SND_SOC_NOPM, 0, 0), 860 SND_SOC_DAPM_AIF_IN("AIFRXR", "Right Playback", 0, SND_SOC_NOPM, 0, 0), 861 862 SND_SOC_DAPM_MUX("Left Playback Mux", SND_SOC_NOPM, 0, 0, &lplay_mux), 863 SND_SOC_DAPM_MUX("Right Playback Mux", SND_SOC_NOPM, 0, 0, &rplay_mux), 864 865 SND_SOC_DAPM_DAC("DACL", NULL, WM8903_POWER_MANAGEMENT_6, 3, 0), 866 SND_SOC_DAPM_DAC("DACR", NULL, WM8903_POWER_MANAGEMENT_6, 2, 0), 867 868 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0, 869 left_output_mixer, ARRAY_SIZE(left_output_mixer)), 870 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0, 871 right_output_mixer, ARRAY_SIZE(right_output_mixer)), 872 873 SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0, 874 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)), 875 SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0, 876 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)), 877 878 SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2, 879 1, 0, NULL, 0), 880 SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2, 881 0, 0, NULL, 0), 882 883 SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0, 884 NULL, 0), 885 SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0, 886 NULL, 0), 887 888 SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0), 889 SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0), 890 SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0), 891 SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0), 892 SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0), 893 SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0), 894 SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0), 895 SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0), 896 897 SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0, 898 NULL, 0), 899 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0, 900 NULL, 0), 901 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0, 902 NULL, 0), 903 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0, 904 NULL, 0), 905 SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0, 906 NULL, 0), 907 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0, 908 NULL, 0), 909 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0, 910 NULL, 0), 911 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0, 912 NULL, 0), 913 914 SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0), 915 SND_SOC_DAPM_PGA_S("HPL_DCS", 3, SND_SOC_NOPM, 3, 0, wm8903_dcs_event, 916 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 917 SND_SOC_DAPM_PGA_S("HPR_DCS", 3, SND_SOC_NOPM, 2, 0, wm8903_dcs_event, 918 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 919 SND_SOC_DAPM_PGA_S("LINEOUTL_DCS", 3, SND_SOC_NOPM, 1, 0, wm8903_dcs_event, 920 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 921 SND_SOC_DAPM_PGA_S("LINEOUTR_DCS", 3, SND_SOC_NOPM, 0, 0, wm8903_dcs_event, 922 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 923 924 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0, 925 NULL, 0), 926 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0, 927 NULL, 0), 928 929 SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0, 930 wm8903_cp_event, SND_SOC_DAPM_POST_PMU), 931 SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0), 932 SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0), 933 }; 934 935 static const struct snd_soc_dapm_route wm8903_intercon[] = { 936 937 { "CLK_DSP", NULL, "CLK_SYS" }, 938 { "MICBIAS", NULL, "CLK_SYS" }, 939 { "HPL_DCS", NULL, "CLK_SYS" }, 940 { "HPR_DCS", NULL, "CLK_SYS" }, 941 { "LINEOUTL_DCS", NULL, "CLK_SYS" }, 942 { "LINEOUTR_DCS", NULL, "CLK_SYS" }, 943 944 { "Left Input Mux", "IN1L", "IN1L" }, 945 { "Left Input Mux", "IN2L", "IN2L" }, 946 { "Left Input Mux", "IN3L", "IN3L" }, 947 948 { "Left Input Inverting Mux", "IN1L", "IN1L" }, 949 { "Left Input Inverting Mux", "IN2L", "IN2L" }, 950 { "Left Input Inverting Mux", "IN3L", "IN3L" }, 951 952 { "Right Input Mux", "IN1R", "IN1R" }, 953 { "Right Input Mux", "IN2R", "IN2R" }, 954 { "Right Input Mux", "IN3R", "IN3R" }, 955 956 { "Right Input Inverting Mux", "IN1R", "IN1R" }, 957 { "Right Input Inverting Mux", "IN2R", "IN2R" }, 958 { "Right Input Inverting Mux", "IN3R", "IN3R" }, 959 960 { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" }, 961 { "Left Input Mode Mux", "Differential Line", 962 "Left Input Mux" }, 963 { "Left Input Mode Mux", "Differential Line", 964 "Left Input Inverting Mux" }, 965 { "Left Input Mode Mux", "Differential Mic", 966 "Left Input Mux" }, 967 { "Left Input Mode Mux", "Differential Mic", 968 "Left Input Inverting Mux" }, 969 970 { "Right Input Mode Mux", "Single-Ended", 971 "Right Input Inverting Mux" }, 972 { "Right Input Mode Mux", "Differential Line", 973 "Right Input Mux" }, 974 { "Right Input Mode Mux", "Differential Line", 975 "Right Input Inverting Mux" }, 976 { "Right Input Mode Mux", "Differential Mic", 977 "Right Input Mux" }, 978 { "Right Input Mode Mux", "Differential Mic", 979 "Right Input Inverting Mux" }, 980 981 { "Left Input PGA", NULL, "Left Input Mode Mux" }, 982 { "Right Input PGA", NULL, "Right Input Mode Mux" }, 983 984 { "Left ADC Input", "ADC", "Left Input PGA" }, 985 { "Left ADC Input", "DMIC", "DMICDAT" }, 986 { "Right ADC Input", "ADC", "Right Input PGA" }, 987 { "Right ADC Input", "DMIC", "DMICDAT" }, 988 989 { "Left Capture Mux", "Left", "ADCL" }, 990 { "Left Capture Mux", "Right", "ADCR" }, 991 992 { "Right Capture Mux", "Left", "ADCL" }, 993 { "Right Capture Mux", "Right", "ADCR" }, 994 995 { "AIFTXL", NULL, "Left Capture Mux" }, 996 { "AIFTXR", NULL, "Right Capture Mux" }, 997 998 { "ADCL", NULL, "Left ADC Input" }, 999 { "ADCL", NULL, "CLK_DSP" }, 1000 { "ADCR", NULL, "Right ADC Input" }, 1001 { "ADCR", NULL, "CLK_DSP" }, 1002 1003 { "Left Playback Mux", "Left", "AIFRXL" }, 1004 { "Left Playback Mux", "Right", "AIFRXR" }, 1005 1006 { "Right Playback Mux", "Left", "AIFRXL" }, 1007 { "Right Playback Mux", "Right", "AIFRXR" }, 1008 1009 { "DACL Sidetone", "Left", "ADCL" }, 1010 { "DACL Sidetone", "Right", "ADCR" }, 1011 { "DACR Sidetone", "Left", "ADCL" }, 1012 { "DACR Sidetone", "Right", "ADCR" }, 1013 1014 { "DACL", NULL, "Left Playback Mux" }, 1015 { "DACL", NULL, "DACL Sidetone" }, 1016 { "DACL", NULL, "CLK_DSP" }, 1017 1018 { "DACR", NULL, "Right Playback Mux" }, 1019 { "DACR", NULL, "DACR Sidetone" }, 1020 { "DACR", NULL, "CLK_DSP" }, 1021 1022 { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" }, 1023 { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" }, 1024 { "Left Output Mixer", "DACL Switch", "DACL" }, 1025 { "Left Output Mixer", "DACR Switch", "DACR" }, 1026 1027 { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" }, 1028 { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" }, 1029 { "Right Output Mixer", "DACL Switch", "DACL" }, 1030 { "Right Output Mixer", "DACR Switch", "DACR" }, 1031 1032 { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, 1033 { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, 1034 { "Left Speaker Mixer", "DACL Switch", "DACL" }, 1035 { "Left Speaker Mixer", "DACR Switch", "DACR" }, 1036 1037 { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" }, 1038 { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" }, 1039 { "Right Speaker Mixer", "DACL Switch", "DACL" }, 1040 { "Right Speaker Mixer", "DACR Switch", "DACR" }, 1041 1042 { "Left Line Output PGA", NULL, "Left Output Mixer" }, 1043 { "Right Line Output PGA", NULL, "Right Output Mixer" }, 1044 1045 { "Left Headphone Output PGA", NULL, "Left Output Mixer" }, 1046 { "Right Headphone Output PGA", NULL, "Right Output Mixer" }, 1047 1048 { "Left Speaker PGA", NULL, "Left Speaker Mixer" }, 1049 { "Right Speaker PGA", NULL, "Right Speaker Mixer" }, 1050 1051 { "HPL_ENA", NULL, "Left Headphone Output PGA" }, 1052 { "HPR_ENA", NULL, "Right Headphone Output PGA" }, 1053 { "HPL_ENA_DLY", NULL, "HPL_ENA" }, 1054 { "HPR_ENA_DLY", NULL, "HPR_ENA" }, 1055 { "LINEOUTL_ENA", NULL, "Left Line Output PGA" }, 1056 { "LINEOUTR_ENA", NULL, "Right Line Output PGA" }, 1057 { "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" }, 1058 { "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" }, 1059 1060 { "HPL_DCS", NULL, "DCS Master" }, 1061 { "HPR_DCS", NULL, "DCS Master" }, 1062 { "LINEOUTL_DCS", NULL, "DCS Master" }, 1063 { "LINEOUTR_DCS", NULL, "DCS Master" }, 1064 1065 { "HPL_DCS", NULL, "HPL_ENA_DLY" }, 1066 { "HPR_DCS", NULL, "HPR_ENA_DLY" }, 1067 { "LINEOUTL_DCS", NULL, "LINEOUTL_ENA_DLY" }, 1068 { "LINEOUTR_DCS", NULL, "LINEOUTR_ENA_DLY" }, 1069 1070 { "HPL_ENA_OUTP", NULL, "HPL_DCS" }, 1071 { "HPR_ENA_OUTP", NULL, "HPR_DCS" }, 1072 { "LINEOUTL_ENA_OUTP", NULL, "LINEOUTL_DCS" }, 1073 { "LINEOUTR_ENA_OUTP", NULL, "LINEOUTR_DCS" }, 1074 1075 { "HPL_RMV_SHORT", NULL, "HPL_ENA_OUTP" }, 1076 { "HPR_RMV_SHORT", NULL, "HPR_ENA_OUTP" }, 1077 { "LINEOUTL_RMV_SHORT", NULL, "LINEOUTL_ENA_OUTP" }, 1078 { "LINEOUTR_RMV_SHORT", NULL, "LINEOUTR_ENA_OUTP" }, 1079 1080 { "HPOUTL", NULL, "HPL_RMV_SHORT" }, 1081 { "HPOUTR", NULL, "HPR_RMV_SHORT" }, 1082 { "LINEOUTL", NULL, "LINEOUTL_RMV_SHORT" }, 1083 { "LINEOUTR", NULL, "LINEOUTR_RMV_SHORT" }, 1084 1085 { "LOP", NULL, "Left Speaker PGA" }, 1086 { "LON", NULL, "Left Speaker PGA" }, 1087 1088 { "ROP", NULL, "Right Speaker PGA" }, 1089 { "RON", NULL, "Right Speaker PGA" }, 1090 1091 { "Charge Pump", NULL, "CLK_DSP" }, 1092 1093 { "Left Headphone Output PGA", NULL, "Charge Pump" }, 1094 { "Right Headphone Output PGA", NULL, "Charge Pump" }, 1095 { "Left Line Output PGA", NULL, "Charge Pump" }, 1096 { "Right Line Output PGA", NULL, "Charge Pump" }, 1097 }; 1098 1099 static int wm8903_set_bias_level(struct snd_soc_component *component, 1100 enum snd_soc_bias_level level) 1101 { 1102 switch (level) { 1103 case SND_SOC_BIAS_ON: 1104 break; 1105 1106 case SND_SOC_BIAS_PREPARE: 1107 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1108 WM8903_VMID_RES_MASK, 1109 WM8903_VMID_RES_50K); 1110 break; 1111 1112 case SND_SOC_BIAS_STANDBY: 1113 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1114 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, 1115 WM8903_POBCTRL | WM8903_ISEL_MASK | 1116 WM8903_STARTUP_BIAS_ENA | 1117 WM8903_BIAS_ENA, 1118 WM8903_POBCTRL | 1119 (2 << WM8903_ISEL_SHIFT) | 1120 WM8903_STARTUP_BIAS_ENA); 1121 1122 snd_soc_component_update_bits(component, 1123 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0, 1124 WM8903_SPK_DISCHARGE, 1125 WM8903_SPK_DISCHARGE); 1126 1127 msleep(33); 1128 1129 snd_soc_component_update_bits(component, WM8903_POWER_MANAGEMENT_5, 1130 WM8903_SPKL_ENA | WM8903_SPKR_ENA, 1131 WM8903_SPKL_ENA | WM8903_SPKR_ENA); 1132 1133 snd_soc_component_update_bits(component, 1134 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0, 1135 WM8903_SPK_DISCHARGE, 0); 1136 1137 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1138 WM8903_VMID_TIE_ENA | 1139 WM8903_BUFIO_ENA | 1140 WM8903_VMID_IO_ENA | 1141 WM8903_VMID_SOFT_MASK | 1142 WM8903_VMID_RES_MASK | 1143 WM8903_VMID_BUF_ENA, 1144 WM8903_VMID_TIE_ENA | 1145 WM8903_BUFIO_ENA | 1146 WM8903_VMID_IO_ENA | 1147 (2 << WM8903_VMID_SOFT_SHIFT) | 1148 WM8903_VMID_RES_250K | 1149 WM8903_VMID_BUF_ENA); 1150 1151 msleep(129); 1152 1153 snd_soc_component_update_bits(component, WM8903_POWER_MANAGEMENT_5, 1154 WM8903_SPKL_ENA | WM8903_SPKR_ENA, 1155 0); 1156 1157 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1158 WM8903_VMID_SOFT_MASK, 0); 1159 1160 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1161 WM8903_VMID_RES_MASK, 1162 WM8903_VMID_RES_50K); 1163 1164 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, 1165 WM8903_BIAS_ENA | WM8903_POBCTRL, 1166 WM8903_BIAS_ENA); 1167 1168 /* By default no bypass paths are enabled so 1169 * enable Class W support. 1170 */ 1171 dev_dbg(component->dev, "Enabling Class W\n"); 1172 snd_soc_component_update_bits(component, WM8903_CLASS_W_0, 1173 WM8903_CP_DYN_FREQ | 1174 WM8903_CP_DYN_V, 1175 WM8903_CP_DYN_FREQ | 1176 WM8903_CP_DYN_V); 1177 } 1178 1179 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1180 WM8903_VMID_RES_MASK, 1181 WM8903_VMID_RES_250K); 1182 break; 1183 1184 case SND_SOC_BIAS_OFF: 1185 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, 1186 WM8903_BIAS_ENA, 0); 1187 1188 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1189 WM8903_VMID_SOFT_MASK, 1190 2 << WM8903_VMID_SOFT_SHIFT); 1191 1192 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1193 WM8903_VMID_BUF_ENA, 0); 1194 1195 msleep(290); 1196 1197 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0, 1198 WM8903_VMID_TIE_ENA | WM8903_BUFIO_ENA | 1199 WM8903_VMID_IO_ENA | WM8903_VMID_RES_MASK | 1200 WM8903_VMID_SOFT_MASK | 1201 WM8903_VMID_BUF_ENA, 0); 1202 1203 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0, 1204 WM8903_STARTUP_BIAS_ENA, 0); 1205 break; 1206 } 1207 1208 return 0; 1209 } 1210 1211 static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai, 1212 int clk_id, unsigned int freq, int dir) 1213 { 1214 struct snd_soc_component *component = codec_dai->component; 1215 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 1216 1217 wm8903->sysclk = freq; 1218 1219 return 0; 1220 } 1221 1222 static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai, 1223 unsigned int fmt) 1224 { 1225 struct snd_soc_component *component = codec_dai->component; 1226 u16 aif1 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_1); 1227 1228 aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK | 1229 WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV); 1230 1231 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1232 case SND_SOC_DAIFMT_CBS_CFS: 1233 break; 1234 case SND_SOC_DAIFMT_CBS_CFM: 1235 aif1 |= WM8903_LRCLK_DIR; 1236 break; 1237 case SND_SOC_DAIFMT_CBM_CFM: 1238 aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR; 1239 break; 1240 case SND_SOC_DAIFMT_CBM_CFS: 1241 aif1 |= WM8903_BCLK_DIR; 1242 break; 1243 default: 1244 return -EINVAL; 1245 } 1246 1247 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1248 case SND_SOC_DAIFMT_DSP_A: 1249 aif1 |= 0x3; 1250 break; 1251 case SND_SOC_DAIFMT_DSP_B: 1252 aif1 |= 0x3 | WM8903_AIF_LRCLK_INV; 1253 break; 1254 case SND_SOC_DAIFMT_I2S: 1255 aif1 |= 0x2; 1256 break; 1257 case SND_SOC_DAIFMT_RIGHT_J: 1258 aif1 |= 0x1; 1259 break; 1260 case SND_SOC_DAIFMT_LEFT_J: 1261 break; 1262 default: 1263 return -EINVAL; 1264 } 1265 1266 /* Clock inversion */ 1267 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1268 case SND_SOC_DAIFMT_DSP_A: 1269 case SND_SOC_DAIFMT_DSP_B: 1270 /* frame inversion not valid for DSP modes */ 1271 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1272 case SND_SOC_DAIFMT_NB_NF: 1273 break; 1274 case SND_SOC_DAIFMT_IB_NF: 1275 aif1 |= WM8903_AIF_BCLK_INV; 1276 break; 1277 default: 1278 return -EINVAL; 1279 } 1280 break; 1281 case SND_SOC_DAIFMT_I2S: 1282 case SND_SOC_DAIFMT_RIGHT_J: 1283 case SND_SOC_DAIFMT_LEFT_J: 1284 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1285 case SND_SOC_DAIFMT_NB_NF: 1286 break; 1287 case SND_SOC_DAIFMT_IB_IF: 1288 aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV; 1289 break; 1290 case SND_SOC_DAIFMT_IB_NF: 1291 aif1 |= WM8903_AIF_BCLK_INV; 1292 break; 1293 case SND_SOC_DAIFMT_NB_IF: 1294 aif1 |= WM8903_AIF_LRCLK_INV; 1295 break; 1296 default: 1297 return -EINVAL; 1298 } 1299 break; 1300 default: 1301 return -EINVAL; 1302 } 1303 1304 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_1, aif1); 1305 1306 return 0; 1307 } 1308 1309 static int wm8903_mute(struct snd_soc_dai *codec_dai, int mute, int direction) 1310 { 1311 struct snd_soc_component *component = codec_dai->component; 1312 u16 reg; 1313 1314 reg = snd_soc_component_read(component, WM8903_DAC_DIGITAL_1); 1315 1316 if (mute) 1317 reg |= WM8903_DAC_MUTE; 1318 else 1319 reg &= ~WM8903_DAC_MUTE; 1320 1321 snd_soc_component_write(component, WM8903_DAC_DIGITAL_1, reg); 1322 1323 return 0; 1324 } 1325 1326 /* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended 1327 * for optimal performance so we list the lower rates first and match 1328 * on the last match we find. */ 1329 static struct { 1330 int div; 1331 int rate; 1332 int mode; 1333 int mclk_div; 1334 } clk_sys_ratios[] = { 1335 { 64, 0x0, 0x0, 1 }, 1336 { 68, 0x0, 0x1, 1 }, 1337 { 125, 0x0, 0x2, 1 }, 1338 { 128, 0x1, 0x0, 1 }, 1339 { 136, 0x1, 0x1, 1 }, 1340 { 192, 0x2, 0x0, 1 }, 1341 { 204, 0x2, 0x1, 1 }, 1342 1343 { 64, 0x0, 0x0, 2 }, 1344 { 68, 0x0, 0x1, 2 }, 1345 { 125, 0x0, 0x2, 2 }, 1346 { 128, 0x1, 0x0, 2 }, 1347 { 136, 0x1, 0x1, 2 }, 1348 { 192, 0x2, 0x0, 2 }, 1349 { 204, 0x2, 0x1, 2 }, 1350 1351 { 250, 0x2, 0x2, 1 }, 1352 { 256, 0x3, 0x0, 1 }, 1353 { 272, 0x3, 0x1, 1 }, 1354 { 384, 0x4, 0x0, 1 }, 1355 { 408, 0x4, 0x1, 1 }, 1356 { 375, 0x4, 0x2, 1 }, 1357 { 512, 0x5, 0x0, 1 }, 1358 { 544, 0x5, 0x1, 1 }, 1359 { 500, 0x5, 0x2, 1 }, 1360 { 768, 0x6, 0x0, 1 }, 1361 { 816, 0x6, 0x1, 1 }, 1362 { 750, 0x6, 0x2, 1 }, 1363 { 1024, 0x7, 0x0, 1 }, 1364 { 1088, 0x7, 0x1, 1 }, 1365 { 1000, 0x7, 0x2, 1 }, 1366 { 1408, 0x8, 0x0, 1 }, 1367 { 1496, 0x8, 0x1, 1 }, 1368 { 1536, 0x9, 0x0, 1 }, 1369 { 1632, 0x9, 0x1, 1 }, 1370 { 1500, 0x9, 0x2, 1 }, 1371 1372 { 250, 0x2, 0x2, 2 }, 1373 { 256, 0x3, 0x0, 2 }, 1374 { 272, 0x3, 0x1, 2 }, 1375 { 384, 0x4, 0x0, 2 }, 1376 { 408, 0x4, 0x1, 2 }, 1377 { 375, 0x4, 0x2, 2 }, 1378 { 512, 0x5, 0x0, 2 }, 1379 { 544, 0x5, 0x1, 2 }, 1380 { 500, 0x5, 0x2, 2 }, 1381 { 768, 0x6, 0x0, 2 }, 1382 { 816, 0x6, 0x1, 2 }, 1383 { 750, 0x6, 0x2, 2 }, 1384 { 1024, 0x7, 0x0, 2 }, 1385 { 1088, 0x7, 0x1, 2 }, 1386 { 1000, 0x7, 0x2, 2 }, 1387 { 1408, 0x8, 0x0, 2 }, 1388 { 1496, 0x8, 0x1, 2 }, 1389 { 1536, 0x9, 0x0, 2 }, 1390 { 1632, 0x9, 0x1, 2 }, 1391 { 1500, 0x9, 0x2, 2 }, 1392 }; 1393 1394 /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */ 1395 static struct { 1396 int ratio; 1397 int div; 1398 } bclk_divs[] = { 1399 { 10, 0 }, 1400 { 20, 2 }, 1401 { 30, 3 }, 1402 { 40, 4 }, 1403 { 50, 5 }, 1404 { 60, 7 }, 1405 { 80, 8 }, 1406 { 100, 9 }, 1407 { 120, 11 }, 1408 { 160, 12 }, 1409 { 200, 13 }, 1410 { 220, 14 }, 1411 { 240, 15 }, 1412 { 300, 17 }, 1413 { 320, 18 }, 1414 { 440, 19 }, 1415 { 480, 20 }, 1416 }; 1417 1418 /* Sample rates for DSP */ 1419 static struct { 1420 int rate; 1421 int value; 1422 } sample_rates[] = { 1423 { 8000, 0 }, 1424 { 11025, 1 }, 1425 { 12000, 2 }, 1426 { 16000, 3 }, 1427 { 22050, 4 }, 1428 { 24000, 5 }, 1429 { 32000, 6 }, 1430 { 44100, 7 }, 1431 { 48000, 8 }, 1432 { 88200, 9 }, 1433 { 96000, 10 }, 1434 { 0, 0 }, 1435 }; 1436 1437 static int wm8903_hw_params(struct snd_pcm_substream *substream, 1438 struct snd_pcm_hw_params *params, 1439 struct snd_soc_dai *dai) 1440 { 1441 struct snd_soc_component *component = dai->component; 1442 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 1443 int fs = params_rate(params); 1444 int bclk; 1445 int bclk_div; 1446 int i; 1447 int dsp_config; 1448 int clk_config; 1449 int best_val; 1450 int cur_val; 1451 int clk_sys; 1452 1453 u16 aif1 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_1); 1454 u16 aif2 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_2); 1455 u16 aif3 = snd_soc_component_read(component, WM8903_AUDIO_INTERFACE_3); 1456 u16 clock0 = snd_soc_component_read(component, WM8903_CLOCK_RATES_0); 1457 u16 clock1 = snd_soc_component_read(component, WM8903_CLOCK_RATES_1); 1458 u16 dac_digital1 = snd_soc_component_read(component, WM8903_DAC_DIGITAL_1); 1459 1460 /* Enable sloping stopband filter for low sample rates */ 1461 if (fs <= 24000) 1462 dac_digital1 |= WM8903_DAC_SB_FILT; 1463 else 1464 dac_digital1 &= ~WM8903_DAC_SB_FILT; 1465 1466 /* Configure sample rate logic for DSP - choose nearest rate */ 1467 dsp_config = 0; 1468 best_val = abs(sample_rates[dsp_config].rate - fs); 1469 for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { 1470 cur_val = abs(sample_rates[i].rate - fs); 1471 if (cur_val <= best_val) { 1472 dsp_config = i; 1473 best_val = cur_val; 1474 } 1475 } 1476 1477 dev_dbg(component->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate); 1478 clock1 &= ~WM8903_SAMPLE_RATE_MASK; 1479 clock1 |= sample_rates[dsp_config].value; 1480 1481 aif1 &= ~WM8903_AIF_WL_MASK; 1482 bclk = 2 * fs; 1483 switch (params_width(params)) { 1484 case 16: 1485 bclk *= 16; 1486 break; 1487 case 20: 1488 bclk *= 20; 1489 aif1 |= 0x4; 1490 break; 1491 case 24: 1492 bclk *= 24; 1493 aif1 |= 0x8; 1494 break; 1495 case 32: 1496 bclk *= 32; 1497 aif1 |= 0xc; 1498 break; 1499 default: 1500 return -EINVAL; 1501 } 1502 1503 dev_dbg(component->dev, "MCLK = %dHz, target sample rate = %dHz\n", 1504 wm8903->sysclk, fs); 1505 1506 /* We may not have an MCLK which allows us to generate exactly 1507 * the clock we want, particularly with USB derived inputs, so 1508 * approximate. 1509 */ 1510 clk_config = 0; 1511 best_val = abs((wm8903->sysclk / 1512 (clk_sys_ratios[0].mclk_div * 1513 clk_sys_ratios[0].div)) - fs); 1514 for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) { 1515 cur_val = abs((wm8903->sysclk / 1516 (clk_sys_ratios[i].mclk_div * 1517 clk_sys_ratios[i].div)) - fs); 1518 1519 if (cur_val <= best_val) { 1520 clk_config = i; 1521 best_val = cur_val; 1522 } 1523 } 1524 1525 if (clk_sys_ratios[clk_config].mclk_div == 2) { 1526 clock0 |= WM8903_MCLKDIV2; 1527 clk_sys = wm8903->sysclk / 2; 1528 } else { 1529 clock0 &= ~WM8903_MCLKDIV2; 1530 clk_sys = wm8903->sysclk; 1531 } 1532 1533 clock1 &= ~(WM8903_CLK_SYS_RATE_MASK | 1534 WM8903_CLK_SYS_MODE_MASK); 1535 clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT; 1536 clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT; 1537 1538 dev_dbg(component->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n", 1539 clk_sys_ratios[clk_config].rate, 1540 clk_sys_ratios[clk_config].mode, 1541 clk_sys_ratios[clk_config].div); 1542 1543 dev_dbg(component->dev, "Actual CLK_SYS = %dHz\n", clk_sys); 1544 1545 /* We may not get quite the right frequency if using 1546 * approximate clocks so look for the closest match that is 1547 * higher than the target (we need to ensure that there enough 1548 * BCLKs to clock out the samples). 1549 */ 1550 bclk_div = 0; 1551 i = 1; 1552 while (i < ARRAY_SIZE(bclk_divs)) { 1553 cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk; 1554 if (cur_val < 0) /* BCLK table is sorted */ 1555 break; 1556 bclk_div = i; 1557 i++; 1558 } 1559 1560 aif2 &= ~WM8903_BCLK_DIV_MASK; 1561 aif3 &= ~WM8903_LRCLK_RATE_MASK; 1562 1563 dev_dbg(component->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n", 1564 bclk_divs[bclk_div].ratio / 10, bclk, 1565 (clk_sys * 10) / bclk_divs[bclk_div].ratio); 1566 1567 aif2 |= bclk_divs[bclk_div].div; 1568 aif3 |= bclk / fs; 1569 1570 wm8903->fs = params_rate(params); 1571 wm8903_set_deemph(component); 1572 1573 snd_soc_component_write(component, WM8903_CLOCK_RATES_0, clock0); 1574 snd_soc_component_write(component, WM8903_CLOCK_RATES_1, clock1); 1575 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_1, aif1); 1576 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_2, aif2); 1577 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_3, aif3); 1578 snd_soc_component_write(component, WM8903_DAC_DIGITAL_1, dac_digital1); 1579 1580 return 0; 1581 } 1582 1583 /** 1584 * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ 1585 * 1586 * @component: WM8903 component 1587 * @jack: jack to report detection events on 1588 * @det: value to report for presence detection 1589 * @shrt: value to report for short detection 1590 * 1591 * Enable microphone detection via IRQ on the WM8903. If GPIOs are 1592 * being used to bring out signals to the processor then only platform 1593 * data configuration is needed for WM8903 and processor GPIOs should 1594 * be configured using snd_soc_jack_add_gpios() instead. 1595 * 1596 * The current threasholds for detection should be configured using 1597 * micdet_cfg in the platform data. Using this function will force on 1598 * the microphone bias for the device. 1599 */ 1600 int wm8903_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, 1601 int det, int shrt) 1602 { 1603 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 1604 int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT; 1605 1606 dev_dbg(component->dev, "Enabling microphone detection: %x %x\n", 1607 det, shrt); 1608 1609 /* Store the configuration */ 1610 wm8903->mic_jack = jack; 1611 wm8903->mic_det = det; 1612 wm8903->mic_short = shrt; 1613 1614 /* Enable interrupts we've got a report configured for */ 1615 if (det) 1616 irq_mask &= ~WM8903_MICDET_EINT; 1617 if (shrt) 1618 irq_mask &= ~WM8903_MICSHRT_EINT; 1619 1620 snd_soc_component_update_bits(component, WM8903_INTERRUPT_STATUS_1_MASK, 1621 WM8903_MICDET_EINT | WM8903_MICSHRT_EINT, 1622 irq_mask); 1623 1624 if (det || shrt) { 1625 /* Enable mic detection, this may not have been set through 1626 * platform data (eg, if the defaults are OK). */ 1627 snd_soc_component_update_bits(component, WM8903_WRITE_SEQUENCER_0, 1628 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); 1629 snd_soc_component_update_bits(component, WM8903_MIC_BIAS_CONTROL_0, 1630 WM8903_MICDET_ENA, WM8903_MICDET_ENA); 1631 } else { 1632 snd_soc_component_update_bits(component, WM8903_MIC_BIAS_CONTROL_0, 1633 WM8903_MICDET_ENA, 0); 1634 } 1635 1636 return 0; 1637 } 1638 EXPORT_SYMBOL_GPL(wm8903_mic_detect); 1639 1640 static irqreturn_t wm8903_irq(int irq, void *data) 1641 { 1642 struct wm8903_priv *wm8903 = data; 1643 int mic_report, ret; 1644 unsigned int int_val, mask, int_pol; 1645 1646 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1_MASK, 1647 &mask); 1648 if (ret != 0) { 1649 dev_err(wm8903->dev, "Failed to read IRQ mask: %d\n", ret); 1650 return IRQ_NONE; 1651 } 1652 1653 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1, &int_val); 1654 if (ret != 0) { 1655 dev_err(wm8903->dev, "Failed to read IRQ status: %d\n", ret); 1656 return IRQ_NONE; 1657 } 1658 1659 int_val &= ~mask; 1660 1661 if (int_val & WM8903_WSEQ_BUSY_EINT) { 1662 dev_warn(wm8903->dev, "Write sequencer done\n"); 1663 } 1664 1665 /* 1666 * The rest is microphone jack detection. We need to manually 1667 * invert the polarity of the interrupt after each event - to 1668 * simplify the code keep track of the last state we reported 1669 * and just invert the relevant bits in both the report and 1670 * the polarity register. 1671 */ 1672 mic_report = wm8903->mic_last_report; 1673 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1, 1674 &int_pol); 1675 if (ret != 0) { 1676 dev_err(wm8903->dev, "Failed to read interrupt polarity: %d\n", 1677 ret); 1678 return IRQ_HANDLED; 1679 } 1680 1681 #ifndef CONFIG_SND_SOC_WM8903_MODULE 1682 if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT)) 1683 trace_snd_soc_jack_irq(dev_name(wm8903->dev)); 1684 #endif 1685 1686 if (int_val & WM8903_MICSHRT_EINT) { 1687 dev_dbg(wm8903->dev, "Microphone short (pol=%x)\n", int_pol); 1688 1689 mic_report ^= wm8903->mic_short; 1690 int_pol ^= WM8903_MICSHRT_INV; 1691 } 1692 1693 if (int_val & WM8903_MICDET_EINT) { 1694 dev_dbg(wm8903->dev, "Microphone detect (pol=%x)\n", int_pol); 1695 1696 mic_report ^= wm8903->mic_det; 1697 int_pol ^= WM8903_MICDET_INV; 1698 1699 msleep(wm8903->mic_delay); 1700 } 1701 1702 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1, 1703 WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol); 1704 1705 snd_soc_jack_report(wm8903->mic_jack, mic_report, 1706 wm8903->mic_short | wm8903->mic_det); 1707 1708 wm8903->mic_last_report = mic_report; 1709 1710 return IRQ_HANDLED; 1711 } 1712 1713 #define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\ 1714 SNDRV_PCM_RATE_11025 | \ 1715 SNDRV_PCM_RATE_16000 | \ 1716 SNDRV_PCM_RATE_22050 | \ 1717 SNDRV_PCM_RATE_32000 | \ 1718 SNDRV_PCM_RATE_44100 | \ 1719 SNDRV_PCM_RATE_48000 | \ 1720 SNDRV_PCM_RATE_88200 | \ 1721 SNDRV_PCM_RATE_96000) 1722 1723 #define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\ 1724 SNDRV_PCM_RATE_11025 | \ 1725 SNDRV_PCM_RATE_16000 | \ 1726 SNDRV_PCM_RATE_22050 | \ 1727 SNDRV_PCM_RATE_32000 | \ 1728 SNDRV_PCM_RATE_44100 | \ 1729 SNDRV_PCM_RATE_48000) 1730 1731 #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ 1732 SNDRV_PCM_FMTBIT_S20_3LE |\ 1733 SNDRV_PCM_FMTBIT_S24_LE) 1734 1735 static const struct snd_soc_dai_ops wm8903_dai_ops = { 1736 .hw_params = wm8903_hw_params, 1737 .mute_stream = wm8903_mute, 1738 .set_fmt = wm8903_set_dai_fmt, 1739 .set_sysclk = wm8903_set_dai_sysclk, 1740 .no_capture_mute = 1, 1741 }; 1742 1743 static struct snd_soc_dai_driver wm8903_dai = { 1744 .name = "wm8903-hifi", 1745 .playback = { 1746 .stream_name = "Playback", 1747 .channels_min = 2, 1748 .channels_max = 2, 1749 .rates = WM8903_PLAYBACK_RATES, 1750 .formats = WM8903_FORMATS, 1751 }, 1752 .capture = { 1753 .stream_name = "Capture", 1754 .channels_min = 2, 1755 .channels_max = 2, 1756 .rates = WM8903_CAPTURE_RATES, 1757 .formats = WM8903_FORMATS, 1758 }, 1759 .ops = &wm8903_dai_ops, 1760 .symmetric_rate = 1, 1761 }; 1762 1763 static int wm8903_resume(struct snd_soc_component *component) 1764 { 1765 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component); 1766 1767 regcache_sync(wm8903->regmap); 1768 1769 return 0; 1770 } 1771 1772 #ifdef CONFIG_GPIOLIB 1773 static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset) 1774 { 1775 if (offset >= WM8903_NUM_GPIO) 1776 return -EINVAL; 1777 1778 return 0; 1779 } 1780 1781 static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset) 1782 { 1783 struct wm8903_priv *wm8903 = gpiochip_get_data(chip); 1784 unsigned int mask, val; 1785 int ret; 1786 1787 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK; 1788 val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) | 1789 WM8903_GP1_DIR; 1790 1791 ret = regmap_update_bits(wm8903->regmap, 1792 WM8903_GPIO_CONTROL_1 + offset, mask, val); 1793 if (ret < 0) 1794 return ret; 1795 1796 return 0; 1797 } 1798 1799 static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset) 1800 { 1801 struct wm8903_priv *wm8903 = gpiochip_get_data(chip); 1802 unsigned int reg; 1803 1804 regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, ®); 1805 1806 return !!((reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT); 1807 } 1808 1809 static int wm8903_gpio_direction_out(struct gpio_chip *chip, 1810 unsigned offset, int value) 1811 { 1812 struct wm8903_priv *wm8903 = gpiochip_get_data(chip); 1813 unsigned int mask, val; 1814 int ret; 1815 1816 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK; 1817 val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) | 1818 (value << WM8903_GP2_LVL_SHIFT); 1819 1820 ret = regmap_update_bits(wm8903->regmap, 1821 WM8903_GPIO_CONTROL_1 + offset, mask, val); 1822 if (ret < 0) 1823 return ret; 1824 1825 return 0; 1826 } 1827 1828 static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value) 1829 { 1830 struct wm8903_priv *wm8903 = gpiochip_get_data(chip); 1831 1832 regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, 1833 WM8903_GP1_LVL_MASK, 1834 !!value << WM8903_GP1_LVL_SHIFT); 1835 } 1836 1837 static const struct gpio_chip wm8903_template_chip = { 1838 .label = "wm8903", 1839 .owner = THIS_MODULE, 1840 .request = wm8903_gpio_request, 1841 .direction_input = wm8903_gpio_direction_in, 1842 .get = wm8903_gpio_get, 1843 .direction_output = wm8903_gpio_direction_out, 1844 .set = wm8903_gpio_set, 1845 .can_sleep = 1, 1846 }; 1847 1848 static void wm8903_init_gpio(struct wm8903_priv *wm8903) 1849 { 1850 struct wm8903_platform_data *pdata = wm8903->pdata; 1851 int ret; 1852 1853 wm8903->gpio_chip = wm8903_template_chip; 1854 wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO; 1855 wm8903->gpio_chip.parent = wm8903->dev; 1856 1857 if (pdata->gpio_base) 1858 wm8903->gpio_chip.base = pdata->gpio_base; 1859 else 1860 wm8903->gpio_chip.base = -1; 1861 1862 ret = gpiochip_add_data(&wm8903->gpio_chip, wm8903); 1863 if (ret != 0) 1864 dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret); 1865 } 1866 1867 static void wm8903_free_gpio(struct wm8903_priv *wm8903) 1868 { 1869 gpiochip_remove(&wm8903->gpio_chip); 1870 } 1871 #else 1872 static void wm8903_init_gpio(struct wm8903_priv *wm8903) 1873 { 1874 } 1875 1876 static void wm8903_free_gpio(struct wm8903_priv *wm8903) 1877 { 1878 } 1879 #endif 1880 1881 static const struct snd_soc_component_driver soc_component_dev_wm8903 = { 1882 .resume = wm8903_resume, 1883 .set_bias_level = wm8903_set_bias_level, 1884 .seq_notifier = wm8903_seq_notifier, 1885 .controls = wm8903_snd_controls, 1886 .num_controls = ARRAY_SIZE(wm8903_snd_controls), 1887 .dapm_widgets = wm8903_dapm_widgets, 1888 .num_dapm_widgets = ARRAY_SIZE(wm8903_dapm_widgets), 1889 .dapm_routes = wm8903_intercon, 1890 .num_dapm_routes = ARRAY_SIZE(wm8903_intercon), 1891 .suspend_bias_off = 1, 1892 .idle_bias_on = 1, 1893 .use_pmdown_time = 1, 1894 .endianness = 1, 1895 }; 1896 1897 static const struct regmap_config wm8903_regmap = { 1898 .reg_bits = 8, 1899 .val_bits = 16, 1900 1901 .max_register = WM8903_MAX_REGISTER, 1902 .volatile_reg = wm8903_volatile_register, 1903 .readable_reg = wm8903_readable_register, 1904 1905 .cache_type = REGCACHE_RBTREE, 1906 .reg_defaults = wm8903_reg_defaults, 1907 .num_reg_defaults = ARRAY_SIZE(wm8903_reg_defaults), 1908 }; 1909 1910 static int wm8903_set_pdata_irq_trigger(struct i2c_client *i2c, 1911 struct wm8903_platform_data *pdata) 1912 { 1913 struct irq_data *irq_data = irq_get_irq_data(i2c->irq); 1914 if (!irq_data) { 1915 dev_err(&i2c->dev, "Invalid IRQ: %d\n", 1916 i2c->irq); 1917 return -EINVAL; 1918 } 1919 1920 switch (irqd_get_trigger_type(irq_data)) { 1921 case IRQ_TYPE_NONE: 1922 default: 1923 /* 1924 * We assume the controller imposes no restrictions, 1925 * so we are able to select active-high 1926 */ 1927 fallthrough; 1928 case IRQ_TYPE_LEVEL_HIGH: 1929 pdata->irq_active_low = false; 1930 break; 1931 case IRQ_TYPE_LEVEL_LOW: 1932 pdata->irq_active_low = true; 1933 break; 1934 } 1935 1936 return 0; 1937 } 1938 1939 static int wm8903_set_pdata_from_of(struct i2c_client *i2c, 1940 struct wm8903_platform_data *pdata) 1941 { 1942 const struct device_node *np = i2c->dev.of_node; 1943 u32 val32; 1944 int i; 1945 1946 if (of_property_read_u32(np, "micdet-cfg", &val32) >= 0) 1947 pdata->micdet_cfg = val32; 1948 1949 if (of_property_read_u32(np, "micdet-delay", &val32) >= 0) 1950 pdata->micdet_delay = val32; 1951 1952 if (of_property_read_u32_array(np, "gpio-cfg", pdata->gpio_cfg, 1953 ARRAY_SIZE(pdata->gpio_cfg)) >= 0) { 1954 /* 1955 * In device tree: 0 means "write 0", 1956 * 0xffffffff means "don't touch". 1957 * 1958 * In platform data: 0 means "don't touch", 1959 * 0x8000 means "write 0". 1960 * 1961 * Note: WM8903_GPIO_CONFIG_ZERO == 0x8000. 1962 * 1963 * Convert from DT to pdata representation here, 1964 * so no other code needs to change. 1965 */ 1966 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) { 1967 if (pdata->gpio_cfg[i] == 0) { 1968 pdata->gpio_cfg[i] = WM8903_GPIO_CONFIG_ZERO; 1969 } else if (pdata->gpio_cfg[i] == 0xffffffff) { 1970 pdata->gpio_cfg[i] = 0; 1971 } else if (pdata->gpio_cfg[i] > 0x7fff) { 1972 dev_err(&i2c->dev, "Invalid gpio-cfg[%d] %x\n", 1973 i, pdata->gpio_cfg[i]); 1974 return -EINVAL; 1975 } 1976 } 1977 } 1978 1979 return 0; 1980 } 1981 1982 static int wm8903_i2c_probe(struct i2c_client *i2c) 1983 { 1984 struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev); 1985 struct wm8903_priv *wm8903; 1986 int trigger; 1987 bool mic_gpio = false; 1988 unsigned int val, irq_pol; 1989 int ret, i; 1990 1991 wm8903 = devm_kzalloc(&i2c->dev, sizeof(*wm8903), GFP_KERNEL); 1992 if (wm8903 == NULL) 1993 return -ENOMEM; 1994 1995 mutex_init(&wm8903->lock); 1996 wm8903->dev = &i2c->dev; 1997 1998 wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap); 1999 if (IS_ERR(wm8903->regmap)) { 2000 ret = PTR_ERR(wm8903->regmap); 2001 dev_err(&i2c->dev, "Failed to allocate register map: %d\n", 2002 ret); 2003 return ret; 2004 } 2005 2006 i2c_set_clientdata(i2c, wm8903); 2007 2008 /* If no platform data was supplied, create storage for defaults */ 2009 if (pdata) { 2010 wm8903->pdata = pdata; 2011 } else { 2012 wm8903->pdata = devm_kzalloc(&i2c->dev, sizeof(*wm8903->pdata), 2013 GFP_KERNEL); 2014 if (!wm8903->pdata) 2015 return -ENOMEM; 2016 2017 if (i2c->irq) { 2018 ret = wm8903_set_pdata_irq_trigger(i2c, wm8903->pdata); 2019 if (ret != 0) 2020 return ret; 2021 } 2022 2023 if (i2c->dev.of_node) { 2024 ret = wm8903_set_pdata_from_of(i2c, wm8903->pdata); 2025 if (ret != 0) 2026 return ret; 2027 } 2028 } 2029 2030 pdata = wm8903->pdata; 2031 2032 for (i = 0; i < ARRAY_SIZE(wm8903->supplies); i++) 2033 wm8903->supplies[i].supply = wm8903_supply_names[i]; 2034 2035 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8903->supplies), 2036 wm8903->supplies); 2037 if (ret != 0) { 2038 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); 2039 return ret; 2040 } 2041 2042 ret = regulator_bulk_enable(ARRAY_SIZE(wm8903->supplies), 2043 wm8903->supplies); 2044 if (ret != 0) { 2045 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); 2046 return ret; 2047 } 2048 2049 ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val); 2050 if (ret != 0) { 2051 dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret); 2052 goto err; 2053 } 2054 if (val != 0x8903) { 2055 dev_err(&i2c->dev, "Device with ID %x is not a WM8903\n", val); 2056 ret = -ENODEV; 2057 goto err; 2058 } 2059 2060 ret = regmap_read(wm8903->regmap, WM8903_REVISION_NUMBER, &val); 2061 if (ret != 0) { 2062 dev_err(&i2c->dev, "Failed to read chip revision: %d\n", ret); 2063 goto err; 2064 } 2065 dev_info(&i2c->dev, "WM8903 revision %c\n", 2066 (val & WM8903_CHIP_REV_MASK) + 'A'); 2067 2068 /* Reset the device */ 2069 regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903); 2070 2071 wm8903_init_gpio(wm8903); 2072 2073 /* Set up GPIO pin state, detect if any are MIC detect outputs */ 2074 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) { 2075 if ((!pdata->gpio_cfg[i]) || 2076 (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO)) 2077 continue; 2078 2079 regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i, 2080 pdata->gpio_cfg[i] & 0x7fff); 2081 2082 val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK) 2083 >> WM8903_GP1_FN_SHIFT; 2084 2085 switch (val) { 2086 case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT: 2087 case WM8903_GPn_FN_MICBIAS_SHORT_DETECT: 2088 mic_gpio = true; 2089 break; 2090 default: 2091 break; 2092 } 2093 } 2094 2095 /* Set up microphone detection */ 2096 regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0, 2097 pdata->micdet_cfg); 2098 2099 /* Microphone detection needs the WSEQ clock */ 2100 if (pdata->micdet_cfg) 2101 regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0, 2102 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA); 2103 2104 /* If microphone detection is enabled by pdata but 2105 * detected via IRQ then interrupts can be lost before 2106 * the machine driver has set up microphone detection 2107 * IRQs as the IRQs are clear on read. The detection 2108 * will be enabled when the machine driver configures. 2109 */ 2110 WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA)); 2111 2112 wm8903->mic_delay = pdata->micdet_delay; 2113 2114 if (i2c->irq) { 2115 if (pdata->irq_active_low) { 2116 trigger = IRQF_TRIGGER_LOW; 2117 irq_pol = WM8903_IRQ_POL; 2118 } else { 2119 trigger = IRQF_TRIGGER_HIGH; 2120 irq_pol = 0; 2121 } 2122 2123 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL, 2124 WM8903_IRQ_POL, irq_pol); 2125 2126 ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq, 2127 trigger | IRQF_ONESHOT, 2128 "wm8903", wm8903); 2129 if (ret != 0) { 2130 dev_err(wm8903->dev, "Failed to request IRQ: %d\n", 2131 ret); 2132 goto err; 2133 } 2134 2135 /* Enable write sequencer interrupts */ 2136 regmap_update_bits(wm8903->regmap, 2137 WM8903_INTERRUPT_STATUS_1_MASK, 2138 WM8903_IM_WSEQ_BUSY_EINT, 0); 2139 } 2140 2141 /* Latch volume update bits */ 2142 regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_LEFT, 2143 WM8903_ADCVU, WM8903_ADCVU); 2144 regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_RIGHT, 2145 WM8903_ADCVU, WM8903_ADCVU); 2146 2147 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_LEFT, 2148 WM8903_DACVU, WM8903_DACVU); 2149 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_RIGHT, 2150 WM8903_DACVU, WM8903_DACVU); 2151 2152 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_LEFT, 2153 WM8903_HPOUTVU, WM8903_HPOUTVU); 2154 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_RIGHT, 2155 WM8903_HPOUTVU, WM8903_HPOUTVU); 2156 2157 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_LEFT, 2158 WM8903_LINEOUTVU, WM8903_LINEOUTVU); 2159 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_RIGHT, 2160 WM8903_LINEOUTVU, WM8903_LINEOUTVU); 2161 2162 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_LEFT, 2163 WM8903_SPKVU, WM8903_SPKVU); 2164 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_RIGHT, 2165 WM8903_SPKVU, WM8903_SPKVU); 2166 2167 /* Enable DAC soft mute by default */ 2168 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_1, 2169 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE, 2170 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE); 2171 2172 ret = devm_snd_soc_register_component(&i2c->dev, 2173 &soc_component_dev_wm8903, &wm8903_dai, 1); 2174 if (ret != 0) 2175 goto err; 2176 2177 return 0; 2178 err: 2179 regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies), 2180 wm8903->supplies); 2181 return ret; 2182 } 2183 2184 static void wm8903_i2c_remove(struct i2c_client *client) 2185 { 2186 struct wm8903_priv *wm8903 = i2c_get_clientdata(client); 2187 2188 regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies), 2189 wm8903->supplies); 2190 if (client->irq) 2191 free_irq(client->irq, wm8903); 2192 wm8903_free_gpio(wm8903); 2193 } 2194 2195 static const struct of_device_id wm8903_of_match[] = { 2196 { .compatible = "wlf,wm8903", }, 2197 {}, 2198 }; 2199 MODULE_DEVICE_TABLE(of, wm8903_of_match); 2200 2201 static const struct i2c_device_id wm8903_i2c_id[] = { 2202 { "wm8903", 0 }, 2203 { } 2204 }; 2205 MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id); 2206 2207 static struct i2c_driver wm8903_i2c_driver = { 2208 .driver = { 2209 .name = "wm8903", 2210 .of_match_table = wm8903_of_match, 2211 }, 2212 .probe_new = wm8903_i2c_probe, 2213 .remove = wm8903_i2c_remove, 2214 .id_table = wm8903_i2c_id, 2215 }; 2216 2217 module_i2c_driver(wm8903_i2c_driver); 2218 2219 MODULE_DESCRIPTION("ASoC WM8903 driver"); 2220 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>"); 2221 MODULE_LICENSE("GPL"); 2222