1 /* 2 * wm8350.c -- WM8350 ALSA SoC audio driver 3 * 4 * Copyright (C) 2007-12 Wolfson Microelectronics PLC. 5 * 6 * Author: Liam Girdwood <lrg@slimlogic.co.uk> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #include <linux/module.h> 14 #include <linux/moduleparam.h> 15 #include <linux/init.h> 16 #include <linux/slab.h> 17 #include <linux/delay.h> 18 #include <linux/pm.h> 19 #include <linux/platform_device.h> 20 #include <linux/mfd/wm8350/audio.h> 21 #include <linux/mfd/wm8350/core.h> 22 #include <linux/regulator/consumer.h> 23 #include <sound/core.h> 24 #include <sound/pcm.h> 25 #include <sound/pcm_params.h> 26 #include <sound/soc.h> 27 #include <sound/initval.h> 28 #include <sound/tlv.h> 29 #include <trace/events/asoc.h> 30 31 #include "wm8350.h" 32 33 #define WM8350_OUTn_0dB 0x39 34 35 #define WM8350_RAMP_NONE 0 36 #define WM8350_RAMP_UP 1 37 #define WM8350_RAMP_DOWN 2 38 39 /* We only include the analogue supplies here; the digital supplies 40 * need to be available well before this driver can be probed. 41 */ 42 static const char *supply_names[] = { 43 "AVDD", 44 "HPVDD", 45 }; 46 47 struct wm8350_output { 48 u16 active; 49 u16 left_vol; 50 u16 right_vol; 51 u16 ramp; 52 u16 mute; 53 }; 54 55 struct wm8350_jack_data { 56 struct snd_soc_jack *jack; 57 struct delayed_work work; 58 int report; 59 int short_report; 60 }; 61 62 struct wm8350_data { 63 struct wm8350 *wm8350; 64 struct wm8350_output out1; 65 struct wm8350_output out2; 66 struct wm8350_jack_data hpl; 67 struct wm8350_jack_data hpr; 68 struct wm8350_jack_data mic; 69 struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)]; 70 int fll_freq_out; 71 int fll_freq_in; 72 struct delayed_work pga_work; 73 }; 74 75 /* 76 * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown. 77 */ 78 static inline int wm8350_out1_ramp_step(struct wm8350_data *wm8350_data) 79 { 80 struct wm8350_output *out1 = &wm8350_data->out1; 81 struct wm8350 *wm8350 = wm8350_data->wm8350; 82 int left_complete = 0, right_complete = 0; 83 u16 reg, val; 84 85 /* left channel */ 86 reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME); 87 val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT; 88 89 if (out1->ramp == WM8350_RAMP_UP) { 90 /* ramp step up */ 91 if (val < out1->left_vol) { 92 val++; 93 reg &= ~WM8350_OUT1L_VOL_MASK; 94 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 95 reg | (val << WM8350_OUT1L_VOL_SHIFT)); 96 } else 97 left_complete = 1; 98 } else if (out1->ramp == WM8350_RAMP_DOWN) { 99 /* ramp step down */ 100 if (val > 0) { 101 val--; 102 reg &= ~WM8350_OUT1L_VOL_MASK; 103 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 104 reg | (val << WM8350_OUT1L_VOL_SHIFT)); 105 } else 106 left_complete = 1; 107 } else 108 return 1; 109 110 /* right channel */ 111 reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME); 112 val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT; 113 if (out1->ramp == WM8350_RAMP_UP) { 114 /* ramp step up */ 115 if (val < out1->right_vol) { 116 val++; 117 reg &= ~WM8350_OUT1R_VOL_MASK; 118 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 119 reg | (val << WM8350_OUT1R_VOL_SHIFT)); 120 } else 121 right_complete = 1; 122 } else if (out1->ramp == WM8350_RAMP_DOWN) { 123 /* ramp step down */ 124 if (val > 0) { 125 val--; 126 reg &= ~WM8350_OUT1R_VOL_MASK; 127 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 128 reg | (val << WM8350_OUT1R_VOL_SHIFT)); 129 } else 130 right_complete = 1; 131 } 132 133 /* only hit the update bit if either volume has changed this step */ 134 if (!left_complete || !right_complete) 135 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU); 136 137 return left_complete & right_complete; 138 } 139 140 /* 141 * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown. 142 */ 143 static inline int wm8350_out2_ramp_step(struct wm8350_data *wm8350_data) 144 { 145 struct wm8350_output *out2 = &wm8350_data->out2; 146 struct wm8350 *wm8350 = wm8350_data->wm8350; 147 int left_complete = 0, right_complete = 0; 148 u16 reg, val; 149 150 /* left channel */ 151 reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME); 152 val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT; 153 if (out2->ramp == WM8350_RAMP_UP) { 154 /* ramp step up */ 155 if (val < out2->left_vol) { 156 val++; 157 reg &= ~WM8350_OUT2L_VOL_MASK; 158 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 159 reg | (val << WM8350_OUT1L_VOL_SHIFT)); 160 } else 161 left_complete = 1; 162 } else if (out2->ramp == WM8350_RAMP_DOWN) { 163 /* ramp step down */ 164 if (val > 0) { 165 val--; 166 reg &= ~WM8350_OUT2L_VOL_MASK; 167 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 168 reg | (val << WM8350_OUT1L_VOL_SHIFT)); 169 } else 170 left_complete = 1; 171 } else 172 return 1; 173 174 /* right channel */ 175 reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME); 176 val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT; 177 if (out2->ramp == WM8350_RAMP_UP) { 178 /* ramp step up */ 179 if (val < out2->right_vol) { 180 val++; 181 reg &= ~WM8350_OUT2R_VOL_MASK; 182 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 183 reg | (val << WM8350_OUT1R_VOL_SHIFT)); 184 } else 185 right_complete = 1; 186 } else if (out2->ramp == WM8350_RAMP_DOWN) { 187 /* ramp step down */ 188 if (val > 0) { 189 val--; 190 reg &= ~WM8350_OUT2R_VOL_MASK; 191 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 192 reg | (val << WM8350_OUT1R_VOL_SHIFT)); 193 } else 194 right_complete = 1; 195 } 196 197 /* only hit the update bit if either volume has changed this step */ 198 if (!left_complete || !right_complete) 199 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU); 200 201 return left_complete & right_complete; 202 } 203 204 /* 205 * This work ramps both output PGAs at stream start/stop time to 206 * minimise pop associated with DAPM power switching. 207 * It's best to enable Zero Cross when ramping occurs to minimise any 208 * zipper noises. 209 */ 210 static void wm8350_pga_work(struct work_struct *work) 211 { 212 struct wm8350_data *wm8350_data = 213 container_of(work, struct wm8350_data, pga_work.work); 214 struct wm8350_output *out1 = &wm8350_data->out1, 215 *out2 = &wm8350_data->out2; 216 int i, out1_complete, out2_complete; 217 218 /* do we need to ramp at all ? */ 219 if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE) 220 return; 221 222 /* PGA volumes have 6 bits of resolution to ramp */ 223 for (i = 0; i <= 63; i++) { 224 out1_complete = 1, out2_complete = 1; 225 if (out1->ramp != WM8350_RAMP_NONE) 226 out1_complete = wm8350_out1_ramp_step(wm8350_data); 227 if (out2->ramp != WM8350_RAMP_NONE) 228 out2_complete = wm8350_out2_ramp_step(wm8350_data); 229 230 /* ramp finished ? */ 231 if (out1_complete && out2_complete) 232 break; 233 234 /* we need to delay longer on the up ramp */ 235 if (out1->ramp == WM8350_RAMP_UP || 236 out2->ramp == WM8350_RAMP_UP) { 237 /* delay is longer over 0dB as increases are larger */ 238 if (i >= WM8350_OUTn_0dB) 239 schedule_timeout_interruptible(msecs_to_jiffies 240 (2)); 241 else 242 schedule_timeout_interruptible(msecs_to_jiffies 243 (1)); 244 } else 245 udelay(50); /* doesn't matter if we delay longer */ 246 } 247 248 out1->ramp = WM8350_RAMP_NONE; 249 out2->ramp = WM8350_RAMP_NONE; 250 } 251 252 /* 253 * WM8350 Controls 254 */ 255 256 static int pga_event(struct snd_soc_dapm_widget *w, 257 struct snd_kcontrol *kcontrol, int event) 258 { 259 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 260 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec); 261 struct wm8350_output *out; 262 263 switch (w->shift) { 264 case 0: 265 case 1: 266 out = &wm8350_data->out1; 267 break; 268 case 2: 269 case 3: 270 out = &wm8350_data->out2; 271 break; 272 273 default: 274 WARN(1, "Invalid shift %d\n", w->shift); 275 return -1; 276 } 277 278 switch (event) { 279 case SND_SOC_DAPM_POST_PMU: 280 out->ramp = WM8350_RAMP_UP; 281 out->active = 1; 282 283 schedule_delayed_work(&wm8350_data->pga_work, 284 msecs_to_jiffies(1)); 285 break; 286 287 case SND_SOC_DAPM_PRE_PMD: 288 out->ramp = WM8350_RAMP_DOWN; 289 out->active = 0; 290 291 schedule_delayed_work(&wm8350_data->pga_work, 292 msecs_to_jiffies(1)); 293 break; 294 } 295 296 return 0; 297 } 298 299 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol, 300 struct snd_ctl_elem_value *ucontrol) 301 { 302 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 303 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec); 304 struct wm8350_output *out = NULL; 305 struct soc_mixer_control *mc = 306 (struct soc_mixer_control *)kcontrol->private_value; 307 int ret; 308 unsigned int reg = mc->reg; 309 u16 val; 310 311 /* For OUT1 and OUT2 we shadow the values and only actually write 312 * them out when active in order to ensure the amplifier comes on 313 * as quietly as possible. */ 314 switch (reg) { 315 case WM8350_LOUT1_VOLUME: 316 out = &wm8350_priv->out1; 317 break; 318 case WM8350_LOUT2_VOLUME: 319 out = &wm8350_priv->out2; 320 break; 321 default: 322 break; 323 } 324 325 if (out) { 326 out->left_vol = ucontrol->value.integer.value[0]; 327 out->right_vol = ucontrol->value.integer.value[1]; 328 if (!out->active) 329 return 1; 330 } 331 332 ret = snd_soc_put_volsw(kcontrol, ucontrol); 333 if (ret < 0) 334 return ret; 335 336 /* now hit the volume update bits (always bit 8) */ 337 val = snd_soc_read(codec, reg); 338 snd_soc_write(codec, reg, val | WM8350_OUT1_VU); 339 return 1; 340 } 341 342 static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol, 343 struct snd_ctl_elem_value *ucontrol) 344 { 345 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 346 struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec); 347 struct wm8350_output *out1 = &wm8350_priv->out1; 348 struct wm8350_output *out2 = &wm8350_priv->out2; 349 struct soc_mixer_control *mc = 350 (struct soc_mixer_control *)kcontrol->private_value; 351 unsigned int reg = mc->reg; 352 353 /* If these are cached registers use the cache */ 354 switch (reg) { 355 case WM8350_LOUT1_VOLUME: 356 ucontrol->value.integer.value[0] = out1->left_vol; 357 ucontrol->value.integer.value[1] = out1->right_vol; 358 return 0; 359 360 case WM8350_LOUT2_VOLUME: 361 ucontrol->value.integer.value[0] = out2->left_vol; 362 ucontrol->value.integer.value[1] = out2->right_vol; 363 return 0; 364 365 default: 366 break; 367 } 368 369 return snd_soc_get_volsw(kcontrol, ucontrol); 370 } 371 372 static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" }; 373 static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" }; 374 static const char *wm8350_dacmutem[] = { "Normal", "Soft" }; 375 static const char *wm8350_dacmutes[] = { "Fast", "Slow" }; 376 static const char *wm8350_adcfilter[] = { "None", "High Pass" }; 377 static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" }; 378 static const char *wm8350_lr[] = { "Left", "Right" }; 379 380 static const struct soc_enum wm8350_enum[] = { 381 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp), 382 SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol), 383 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem), 384 SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes), 385 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter), 386 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp), 387 SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol), 388 SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr), 389 }; 390 391 static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0); 392 static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0); 393 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1); 394 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1); 395 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1); 396 397 static const DECLARE_TLV_DB_RANGE(capture_sd_tlv, 398 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1), 399 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0) 400 ); 401 402 static const struct snd_kcontrol_new wm8350_snd_controls[] = { 403 SOC_ENUM("Playback Deemphasis", wm8350_enum[0]), 404 SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]), 405 SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume", 406 WM8350_DAC_DIGITAL_VOLUME_L, 407 WM8350_DAC_DIGITAL_VOLUME_R, 408 0, 255, 0, wm8350_get_volsw_2r, 409 wm8350_put_volsw_2r_vu, dac_pcm_tlv), 410 SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]), 411 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]), 412 SOC_ENUM("Capture PCM Filter", wm8350_enum[4]), 413 SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]), 414 SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]), 415 SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume", 416 WM8350_ADC_DIGITAL_VOLUME_L, 417 WM8350_ADC_DIGITAL_VOLUME_R, 418 0, 255, 0, wm8350_get_volsw_2r, 419 wm8350_put_volsw_2r_vu, adc_pcm_tlv), 420 SOC_DOUBLE_TLV("Capture Sidetone Volume", 421 WM8350_ADC_DIVIDER, 422 8, 4, 15, 1, capture_sd_tlv), 423 SOC_DOUBLE_R_EXT_TLV("Capture Volume", 424 WM8350_LEFT_INPUT_VOLUME, 425 WM8350_RIGHT_INPUT_VOLUME, 426 2, 63, 0, wm8350_get_volsw_2r, 427 wm8350_put_volsw_2r_vu, pre_amp_tlv), 428 SOC_DOUBLE_R("Capture ZC Switch", 429 WM8350_LEFT_INPUT_VOLUME, 430 WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0), 431 SOC_SINGLE_TLV("Left Input Left Sidetone Volume", 432 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv), 433 SOC_SINGLE_TLV("Left Input Right Sidetone Volume", 434 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 435 5, 7, 0, out_mix_tlv), 436 SOC_SINGLE_TLV("Left Input Bypass Volume", 437 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 438 9, 7, 0, out_mix_tlv), 439 SOC_SINGLE_TLV("Right Input Left Sidetone Volume", 440 WM8350_OUTPUT_RIGHT_MIXER_VOLUME, 441 1, 7, 0, out_mix_tlv), 442 SOC_SINGLE_TLV("Right Input Right Sidetone Volume", 443 WM8350_OUTPUT_RIGHT_MIXER_VOLUME, 444 5, 7, 0, out_mix_tlv), 445 SOC_SINGLE_TLV("Right Input Bypass Volume", 446 WM8350_OUTPUT_RIGHT_MIXER_VOLUME, 447 13, 7, 0, out_mix_tlv), 448 SOC_SINGLE("Left Input Mixer +20dB Switch", 449 WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0), 450 SOC_SINGLE("Right Input Mixer +20dB Switch", 451 WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0), 452 SOC_SINGLE_TLV("Out4 Capture Volume", 453 WM8350_INPUT_MIXER_VOLUME, 454 1, 7, 0, out_mix_tlv), 455 SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume", 456 WM8350_LOUT1_VOLUME, 457 WM8350_ROUT1_VOLUME, 458 2, 63, 0, wm8350_get_volsw_2r, 459 wm8350_put_volsw_2r_vu, out_pga_tlv), 460 SOC_DOUBLE_R("Out1 Playback ZC Switch", 461 WM8350_LOUT1_VOLUME, 462 WM8350_ROUT1_VOLUME, 13, 1, 0), 463 SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume", 464 WM8350_LOUT2_VOLUME, 465 WM8350_ROUT2_VOLUME, 466 2, 63, 0, wm8350_get_volsw_2r, 467 wm8350_put_volsw_2r_vu, out_pga_tlv), 468 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME, 469 WM8350_ROUT2_VOLUME, 13, 1, 0), 470 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0), 471 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME, 472 5, 7, 0, out_mix_tlv), 473 474 SOC_DOUBLE_R("Out1 Playback Switch", 475 WM8350_LOUT1_VOLUME, 476 WM8350_ROUT1_VOLUME, 477 14, 1, 1), 478 SOC_DOUBLE_R("Out2 Playback Switch", 479 WM8350_LOUT2_VOLUME, 480 WM8350_ROUT2_VOLUME, 481 14, 1, 1), 482 }; 483 484 /* 485 * DAPM Controls 486 */ 487 488 /* Left Playback Mixer */ 489 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = { 490 SOC_DAPM_SINGLE("Playback Switch", 491 WM8350_LEFT_MIXER_CONTROL, 11, 1, 0), 492 SOC_DAPM_SINGLE("Left Bypass Switch", 493 WM8350_LEFT_MIXER_CONTROL, 2, 1, 0), 494 SOC_DAPM_SINGLE("Right Playback Switch", 495 WM8350_LEFT_MIXER_CONTROL, 12, 1, 0), 496 SOC_DAPM_SINGLE("Left Sidetone Switch", 497 WM8350_LEFT_MIXER_CONTROL, 0, 1, 0), 498 SOC_DAPM_SINGLE("Right Sidetone Switch", 499 WM8350_LEFT_MIXER_CONTROL, 1, 1, 0), 500 }; 501 502 /* Right Playback Mixer */ 503 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = { 504 SOC_DAPM_SINGLE("Playback Switch", 505 WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0), 506 SOC_DAPM_SINGLE("Right Bypass Switch", 507 WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0), 508 SOC_DAPM_SINGLE("Left Playback Switch", 509 WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0), 510 SOC_DAPM_SINGLE("Left Sidetone Switch", 511 WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0), 512 SOC_DAPM_SINGLE("Right Sidetone Switch", 513 WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0), 514 }; 515 516 /* Out4 Mixer */ 517 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = { 518 SOC_DAPM_SINGLE("Right Playback Switch", 519 WM8350_OUT4_MIXER_CONTROL, 12, 1, 0), 520 SOC_DAPM_SINGLE("Left Playback Switch", 521 WM8350_OUT4_MIXER_CONTROL, 11, 1, 0), 522 SOC_DAPM_SINGLE("Right Capture Switch", 523 WM8350_OUT4_MIXER_CONTROL, 9, 1, 0), 524 SOC_DAPM_SINGLE("Out3 Playback Switch", 525 WM8350_OUT4_MIXER_CONTROL, 2, 1, 0), 526 SOC_DAPM_SINGLE("Right Mixer Switch", 527 WM8350_OUT4_MIXER_CONTROL, 1, 1, 0), 528 SOC_DAPM_SINGLE("Left Mixer Switch", 529 WM8350_OUT4_MIXER_CONTROL, 0, 1, 0), 530 }; 531 532 /* Out3 Mixer */ 533 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = { 534 SOC_DAPM_SINGLE("Left Playback Switch", 535 WM8350_OUT3_MIXER_CONTROL, 11, 1, 0), 536 SOC_DAPM_SINGLE("Left Capture Switch", 537 WM8350_OUT3_MIXER_CONTROL, 8, 1, 0), 538 SOC_DAPM_SINGLE("Out4 Playback Switch", 539 WM8350_OUT3_MIXER_CONTROL, 3, 1, 0), 540 SOC_DAPM_SINGLE("Left Mixer Switch", 541 WM8350_OUT3_MIXER_CONTROL, 0, 1, 0), 542 }; 543 544 /* Left Input Mixer */ 545 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = { 546 SOC_DAPM_SINGLE_TLV("L2 Capture Volume", 547 WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv), 548 SOC_DAPM_SINGLE_TLV("L3 Capture Volume", 549 WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv), 550 SOC_DAPM_SINGLE("PGA Capture Switch", 551 WM8350_LEFT_INPUT_VOLUME, 14, 1, 1), 552 }; 553 554 /* Right Input Mixer */ 555 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = { 556 SOC_DAPM_SINGLE_TLV("L2 Capture Volume", 557 WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv), 558 SOC_DAPM_SINGLE_TLV("L3 Capture Volume", 559 WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv), 560 SOC_DAPM_SINGLE("PGA Capture Switch", 561 WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1), 562 }; 563 564 /* Left Mic Mixer */ 565 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = { 566 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0), 567 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0), 568 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0), 569 }; 570 571 /* Right Mic Mixer */ 572 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = { 573 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0), 574 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0), 575 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0), 576 }; 577 578 /* Beep Switch */ 579 static const struct snd_kcontrol_new wm8350_beep_switch_controls = 580 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1); 581 582 /* Out4 Capture Mux */ 583 static const struct snd_kcontrol_new wm8350_out4_capture_controls = 584 SOC_DAPM_ENUM("Route", wm8350_enum[7]); 585 586 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = { 587 588 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0), 589 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0), 590 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL, 591 0, pga_event, 592 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 593 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0, 594 pga_event, 595 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 596 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL, 597 0, pga_event, 598 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 599 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0, 600 pga_event, 601 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 602 603 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2, 604 7, 0, &wm8350_right_capt_mixer_controls[0], 605 ARRAY_SIZE(wm8350_right_capt_mixer_controls)), 606 607 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2, 608 6, 0, &wm8350_left_capt_mixer_controls[0], 609 ARRAY_SIZE(wm8350_left_capt_mixer_controls)), 610 611 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0, 612 &wm8350_out4_mixer_controls[0], 613 ARRAY_SIZE(wm8350_out4_mixer_controls)), 614 615 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0, 616 &wm8350_out3_mixer_controls[0], 617 ARRAY_SIZE(wm8350_out3_mixer_controls)), 618 619 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0, 620 &wm8350_right_play_mixer_controls[0], 621 ARRAY_SIZE(wm8350_right_play_mixer_controls)), 622 623 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0, 624 &wm8350_left_play_mixer_controls[0], 625 ARRAY_SIZE(wm8350_left_play_mixer_controls)), 626 627 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0, 628 &wm8350_left_mic_mixer_controls[0], 629 ARRAY_SIZE(wm8350_left_mic_mixer_controls)), 630 631 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0, 632 &wm8350_right_mic_mixer_controls[0], 633 ARRAY_SIZE(wm8350_right_mic_mixer_controls)), 634 635 /* virtual mixer for Beep and Out2R */ 636 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 637 638 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0, 639 &wm8350_beep_switch_controls), 640 641 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", 642 WM8350_POWER_MGMT_4, 3, 0), 643 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", 644 WM8350_POWER_MGMT_4, 2, 0), 645 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", 646 WM8350_POWER_MGMT_4, 5, 0), 647 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", 648 WM8350_POWER_MGMT_4, 4, 0), 649 650 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0), 651 652 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0, 653 &wm8350_out4_capture_controls), 654 655 SND_SOC_DAPM_OUTPUT("OUT1R"), 656 SND_SOC_DAPM_OUTPUT("OUT1L"), 657 SND_SOC_DAPM_OUTPUT("OUT2R"), 658 SND_SOC_DAPM_OUTPUT("OUT2L"), 659 SND_SOC_DAPM_OUTPUT("OUT3"), 660 SND_SOC_DAPM_OUTPUT("OUT4"), 661 662 SND_SOC_DAPM_INPUT("IN1RN"), 663 SND_SOC_DAPM_INPUT("IN1RP"), 664 SND_SOC_DAPM_INPUT("IN2R"), 665 SND_SOC_DAPM_INPUT("IN1LP"), 666 SND_SOC_DAPM_INPUT("IN1LN"), 667 SND_SOC_DAPM_INPUT("IN2L"), 668 SND_SOC_DAPM_INPUT("IN3R"), 669 SND_SOC_DAPM_INPUT("IN3L"), 670 }; 671 672 static const struct snd_soc_dapm_route wm8350_dapm_routes[] = { 673 674 /* left playback mixer */ 675 {"Left Playback Mixer", "Playback Switch", "Left DAC"}, 676 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"}, 677 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"}, 678 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"}, 679 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"}, 680 681 /* right playback mixer */ 682 {"Right Playback Mixer", "Playback Switch", "Right DAC"}, 683 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"}, 684 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"}, 685 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"}, 686 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"}, 687 688 /* out4 playback mixer */ 689 {"Out4 Mixer", "Right Playback Switch", "Right DAC"}, 690 {"Out4 Mixer", "Left Playback Switch", "Left DAC"}, 691 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"}, 692 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"}, 693 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"}, 694 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"}, 695 {"OUT4", NULL, "Out4 Mixer"}, 696 697 /* out3 playback mixer */ 698 {"Out3 Mixer", "Left Playback Switch", "Left DAC"}, 699 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"}, 700 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"}, 701 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"}, 702 {"OUT3", NULL, "Out3 Mixer"}, 703 704 /* out2 */ 705 {"Right Out2 PGA", NULL, "Right Playback Mixer"}, 706 {"Left Out2 PGA", NULL, "Left Playback Mixer"}, 707 {"OUT2L", NULL, "Left Out2 PGA"}, 708 {"OUT2R", NULL, "Right Out2 PGA"}, 709 710 /* out1 */ 711 {"Right Out1 PGA", NULL, "Right Playback Mixer"}, 712 {"Left Out1 PGA", NULL, "Left Playback Mixer"}, 713 {"OUT1L", NULL, "Left Out1 PGA"}, 714 {"OUT1R", NULL, "Right Out1 PGA"}, 715 716 /* ADCs */ 717 {"Left ADC", NULL, "Left Capture Mixer"}, 718 {"Right ADC", NULL, "Right Capture Mixer"}, 719 720 /* Left capture mixer */ 721 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"}, 722 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"}, 723 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"}, 724 {"Left Capture Mixer", NULL, "Out4 Capture Channel"}, 725 726 /* Right capture mixer */ 727 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"}, 728 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"}, 729 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"}, 730 {"Right Capture Mixer", NULL, "Out4 Capture Channel"}, 731 732 /* L3 Inputs */ 733 {"IN3L PGA", NULL, "IN3L"}, 734 {"IN3R PGA", NULL, "IN3R"}, 735 736 /* Left Mic mixer */ 737 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"}, 738 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"}, 739 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"}, 740 741 /* Right Mic mixer */ 742 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"}, 743 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"}, 744 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"}, 745 746 /* out 4 capture */ 747 {"Out4 Capture Channel", NULL, "Out4 Mixer"}, 748 749 /* Beep */ 750 {"Beep", NULL, "IN3R PGA"}, 751 }; 752 753 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai, 754 int clk_id, unsigned int freq, int dir) 755 { 756 struct snd_soc_codec *codec = codec_dai->codec; 757 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec); 758 struct wm8350 *wm8350 = wm8350_data->wm8350; 759 u16 fll_4; 760 761 switch (clk_id) { 762 case WM8350_MCLK_SEL_MCLK: 763 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1, 764 WM8350_MCLK_SEL); 765 break; 766 case WM8350_MCLK_SEL_PLL_MCLK: 767 case WM8350_MCLK_SEL_PLL_DAC: 768 case WM8350_MCLK_SEL_PLL_ADC: 769 case WM8350_MCLK_SEL_PLL_32K: 770 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1, 771 WM8350_MCLK_SEL); 772 fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) & 773 ~WM8350_FLL_CLK_SRC_MASK; 774 snd_soc_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id); 775 break; 776 } 777 778 /* MCLK direction */ 779 if (dir == SND_SOC_CLOCK_OUT) 780 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2, 781 WM8350_MCLK_DIR); 782 else 783 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2, 784 WM8350_MCLK_DIR); 785 786 return 0; 787 } 788 789 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) 790 { 791 struct snd_soc_codec *codec = codec_dai->codec; 792 u16 val; 793 794 switch (div_id) { 795 case WM8350_ADC_CLKDIV: 796 val = snd_soc_read(codec, WM8350_ADC_DIVIDER) & 797 ~WM8350_ADC_CLKDIV_MASK; 798 snd_soc_write(codec, WM8350_ADC_DIVIDER, val | div); 799 break; 800 case WM8350_DAC_CLKDIV: 801 val = snd_soc_read(codec, WM8350_DAC_CLOCK_CONTROL) & 802 ~WM8350_DAC_CLKDIV_MASK; 803 snd_soc_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div); 804 break; 805 case WM8350_BCLK_CLKDIV: 806 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) & 807 ~WM8350_BCLK_DIV_MASK; 808 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div); 809 break; 810 case WM8350_OPCLK_CLKDIV: 811 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) & 812 ~WM8350_OPCLK_DIV_MASK; 813 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div); 814 break; 815 case WM8350_SYS_CLKDIV: 816 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) & 817 ~WM8350_MCLK_DIV_MASK; 818 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div); 819 break; 820 case WM8350_DACLR_CLKDIV: 821 val = snd_soc_read(codec, WM8350_DAC_LR_RATE) & 822 ~WM8350_DACLRC_RATE_MASK; 823 snd_soc_write(codec, WM8350_DAC_LR_RATE, val | div); 824 break; 825 case WM8350_ADCLR_CLKDIV: 826 val = snd_soc_read(codec, WM8350_ADC_LR_RATE) & 827 ~WM8350_ADCLRC_RATE_MASK; 828 snd_soc_write(codec, WM8350_ADC_LR_RATE, val | div); 829 break; 830 default: 831 return -EINVAL; 832 } 833 834 return 0; 835 } 836 837 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 838 { 839 struct snd_soc_codec *codec = codec_dai->codec; 840 u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) & 841 ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK); 842 u16 master = snd_soc_read(codec, WM8350_AI_DAC_CONTROL) & 843 ~WM8350_BCLK_MSTR; 844 u16 dac_lrc = snd_soc_read(codec, WM8350_DAC_LR_RATE) & 845 ~WM8350_DACLRC_ENA; 846 u16 adc_lrc = snd_soc_read(codec, WM8350_ADC_LR_RATE) & 847 ~WM8350_ADCLRC_ENA; 848 849 /* set master/slave audio interface */ 850 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 851 case SND_SOC_DAIFMT_CBM_CFM: 852 master |= WM8350_BCLK_MSTR; 853 dac_lrc |= WM8350_DACLRC_ENA; 854 adc_lrc |= WM8350_ADCLRC_ENA; 855 break; 856 case SND_SOC_DAIFMT_CBS_CFS: 857 break; 858 default: 859 return -EINVAL; 860 } 861 862 /* interface format */ 863 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 864 case SND_SOC_DAIFMT_I2S: 865 iface |= 0x2 << 8; 866 break; 867 case SND_SOC_DAIFMT_RIGHT_J: 868 break; 869 case SND_SOC_DAIFMT_LEFT_J: 870 iface |= 0x1 << 8; 871 break; 872 case SND_SOC_DAIFMT_DSP_A: 873 iface |= 0x3 << 8; 874 break; 875 case SND_SOC_DAIFMT_DSP_B: 876 iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV; 877 break; 878 default: 879 return -EINVAL; 880 } 881 882 /* clock inversion */ 883 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 884 case SND_SOC_DAIFMT_NB_NF: 885 break; 886 case SND_SOC_DAIFMT_IB_IF: 887 iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV; 888 break; 889 case SND_SOC_DAIFMT_IB_NF: 890 iface |= WM8350_AIF_BCLK_INV; 891 break; 892 case SND_SOC_DAIFMT_NB_IF: 893 iface |= WM8350_AIF_LRCLK_INV; 894 break; 895 default: 896 return -EINVAL; 897 } 898 899 snd_soc_write(codec, WM8350_AI_FORMATING, iface); 900 snd_soc_write(codec, WM8350_AI_DAC_CONTROL, master); 901 snd_soc_write(codec, WM8350_DAC_LR_RATE, dac_lrc); 902 snd_soc_write(codec, WM8350_ADC_LR_RATE, adc_lrc); 903 return 0; 904 } 905 906 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream, 907 struct snd_pcm_hw_params *params, 908 struct snd_soc_dai *codec_dai) 909 { 910 struct snd_soc_codec *codec = codec_dai->codec; 911 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec); 912 struct wm8350 *wm8350 = wm8350_data->wm8350; 913 u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) & 914 ~WM8350_AIF_WL_MASK; 915 916 /* bit size */ 917 switch (params_width(params)) { 918 case 16: 919 break; 920 case 20: 921 iface |= 0x1 << 10; 922 break; 923 case 24: 924 iface |= 0x2 << 10; 925 break; 926 case 32: 927 iface |= 0x3 << 10; 928 break; 929 } 930 931 snd_soc_write(codec, WM8350_AI_FORMATING, iface); 932 933 /* The sloping stopband filter is recommended for use with 934 * lower sample rates to improve performance. 935 */ 936 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 937 if (params_rate(params) < 24000) 938 wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME, 939 WM8350_DAC_SB_FILT); 940 else 941 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME, 942 WM8350_DAC_SB_FILT); 943 } 944 945 return 0; 946 } 947 948 static int wm8350_mute(struct snd_soc_dai *dai, int mute) 949 { 950 struct snd_soc_codec *codec = dai->codec; 951 unsigned int val; 952 953 if (mute) 954 val = WM8350_DAC_MUTE_ENA; 955 else 956 val = 0; 957 958 snd_soc_update_bits(codec, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA, val); 959 960 return 0; 961 } 962 963 /* FLL divisors */ 964 struct _fll_div { 965 int div; /* FLL_OUTDIV */ 966 int n; 967 int k; 968 int ratio; /* FLL_FRATIO */ 969 }; 970 971 /* The size in bits of the fll divide multiplied by 10 972 * to allow rounding later */ 973 #define FIXED_FLL_SIZE ((1 << 16) * 10) 974 975 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input, 976 unsigned int output) 977 { 978 u64 Kpart; 979 unsigned int t1, t2, K, Nmod; 980 981 if (output >= 2815250 && output <= 3125000) 982 fll_div->div = 0x4; 983 else if (output >= 5625000 && output <= 6250000) 984 fll_div->div = 0x3; 985 else if (output >= 11250000 && output <= 12500000) 986 fll_div->div = 0x2; 987 else if (output >= 22500000 && output <= 25000000) 988 fll_div->div = 0x1; 989 else { 990 printk(KERN_ERR "wm8350: fll freq %d out of range\n", output); 991 return -EINVAL; 992 } 993 994 if (input > 48000) 995 fll_div->ratio = 1; 996 else 997 fll_div->ratio = 8; 998 999 t1 = output * (1 << (fll_div->div + 1)); 1000 t2 = input * fll_div->ratio; 1001 1002 fll_div->n = t1 / t2; 1003 Nmod = t1 % t2; 1004 1005 if (Nmod) { 1006 Kpart = FIXED_FLL_SIZE * (long long)Nmod; 1007 do_div(Kpart, t2); 1008 K = Kpart & 0xFFFFFFFF; 1009 1010 /* Check if we need to round */ 1011 if ((K % 10) >= 5) 1012 K += 5; 1013 1014 /* Move down to proper range now rounding is done */ 1015 K /= 10; 1016 fll_div->k = K; 1017 } else 1018 fll_div->k = 0; 1019 1020 return 0; 1021 } 1022 1023 static int wm8350_set_fll(struct snd_soc_dai *codec_dai, 1024 int pll_id, int source, unsigned int freq_in, 1025 unsigned int freq_out) 1026 { 1027 struct snd_soc_codec *codec = codec_dai->codec; 1028 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1029 struct wm8350 *wm8350 = priv->wm8350; 1030 struct _fll_div fll_div; 1031 int ret = 0; 1032 u16 fll_1, fll_4; 1033 1034 if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out) 1035 return 0; 1036 1037 /* power down FLL - we need to do this for reconfiguration */ 1038 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, 1039 WM8350_FLL_ENA | WM8350_FLL_OSC_ENA); 1040 1041 if (freq_out == 0 || freq_in == 0) 1042 return ret; 1043 1044 ret = fll_factors(&fll_div, freq_in, freq_out); 1045 if (ret < 0) 1046 return ret; 1047 dev_dbg(wm8350->dev, 1048 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d", 1049 freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div, 1050 fll_div.ratio); 1051 1052 /* set up N.K & dividers */ 1053 fll_1 = snd_soc_read(codec, WM8350_FLL_CONTROL_1) & 1054 ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000); 1055 snd_soc_write(codec, WM8350_FLL_CONTROL_1, 1056 fll_1 | (fll_div.div << 8) | 0x50); 1057 snd_soc_write(codec, WM8350_FLL_CONTROL_2, 1058 (fll_div.ratio << 11) | (fll_div. 1059 n & WM8350_FLL_N_MASK)); 1060 snd_soc_write(codec, WM8350_FLL_CONTROL_3, fll_div.k); 1061 fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) & 1062 ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF); 1063 snd_soc_write(codec, WM8350_FLL_CONTROL_4, 1064 fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) | 1065 (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0)); 1066 1067 /* power FLL on */ 1068 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA); 1069 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA); 1070 1071 priv->fll_freq_out = freq_out; 1072 priv->fll_freq_in = freq_in; 1073 1074 return 0; 1075 } 1076 1077 static int wm8350_set_bias_level(struct snd_soc_codec *codec, 1078 enum snd_soc_bias_level level) 1079 { 1080 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1081 struct wm8350 *wm8350 = priv->wm8350; 1082 struct wm8350_audio_platform_data *platform = 1083 wm8350->codec.platform_data; 1084 u16 pm1; 1085 int ret; 1086 1087 switch (level) { 1088 case SND_SOC_BIAS_ON: 1089 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1090 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK); 1091 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1092 pm1 | WM8350_VMID_50K | 1093 platform->codec_current_on << 14); 1094 break; 1095 1096 case SND_SOC_BIAS_PREPARE: 1097 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1); 1098 pm1 &= ~WM8350_VMID_MASK; 1099 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1100 pm1 | WM8350_VMID_50K); 1101 break; 1102 1103 case SND_SOC_BIAS_STANDBY: 1104 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { 1105 ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), 1106 priv->supplies); 1107 if (ret != 0) 1108 return ret; 1109 1110 /* Enable the system clock */ 1111 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, 1112 WM8350_SYSCLK_ENA); 1113 1114 /* mute DAC & outputs */ 1115 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, 1116 WM8350_DAC_MUTE_ENA); 1117 1118 /* discharge cap memory */ 1119 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1120 platform->dis_out1 | 1121 (platform->dis_out2 << 2) | 1122 (platform->dis_out3 << 4) | 1123 (platform->dis_out4 << 6)); 1124 1125 /* wait for discharge */ 1126 schedule_timeout_interruptible(msecs_to_jiffies 1127 (platform-> 1128 cap_discharge_msecs)); 1129 1130 /* enable antipop */ 1131 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1132 (platform->vmid_s_curve << 8)); 1133 1134 /* ramp up vmid */ 1135 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1136 (platform-> 1137 codec_current_charge << 14) | 1138 WM8350_VMID_5K | WM8350_VMIDEN | 1139 WM8350_VBUFEN); 1140 1141 /* wait for vmid */ 1142 schedule_timeout_interruptible(msecs_to_jiffies 1143 (platform-> 1144 vmid_charge_msecs)); 1145 1146 /* turn on vmid 300k */ 1147 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1148 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK); 1149 pm1 |= WM8350_VMID_300K | 1150 (platform->codec_current_standby << 14); 1151 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1152 pm1); 1153 1154 1155 /* enable analogue bias */ 1156 pm1 |= WM8350_BIASEN; 1157 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1); 1158 1159 /* disable antipop */ 1160 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0); 1161 1162 } else { 1163 /* turn on vmid 300k and reduce current */ 1164 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1165 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK); 1166 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1167 pm1 | WM8350_VMID_300K | 1168 (platform-> 1169 codec_current_standby << 14)); 1170 1171 } 1172 break; 1173 1174 case SND_SOC_BIAS_OFF: 1175 1176 /* mute DAC & enable outputs */ 1177 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA); 1178 1179 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3, 1180 WM8350_OUT1L_ENA | WM8350_OUT1R_ENA | 1181 WM8350_OUT2L_ENA | WM8350_OUT2R_ENA); 1182 1183 /* enable anti pop S curve */ 1184 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1185 (platform->vmid_s_curve << 8)); 1186 1187 /* turn off vmid */ 1188 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1189 ~WM8350_VMIDEN; 1190 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1); 1191 1192 /* wait */ 1193 schedule_timeout_interruptible(msecs_to_jiffies 1194 (platform-> 1195 vmid_discharge_msecs)); 1196 1197 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1198 (platform->vmid_s_curve << 8) | 1199 platform->dis_out1 | 1200 (platform->dis_out2 << 2) | 1201 (platform->dis_out3 << 4) | 1202 (platform->dis_out4 << 6)); 1203 1204 /* turn off VBuf and drain */ 1205 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1206 ~(WM8350_VBUFEN | WM8350_VMID_MASK); 1207 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1208 pm1 | WM8350_OUTPUT_DRAIN_EN); 1209 1210 /* wait */ 1211 schedule_timeout_interruptible(msecs_to_jiffies 1212 (platform->drain_msecs)); 1213 1214 pm1 &= ~WM8350_BIASEN; 1215 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1); 1216 1217 /* disable anti-pop */ 1218 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0); 1219 1220 wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME, 1221 WM8350_OUT1L_ENA); 1222 wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME, 1223 WM8350_OUT1R_ENA); 1224 wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME, 1225 WM8350_OUT2L_ENA); 1226 wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME, 1227 WM8350_OUT2R_ENA); 1228 1229 /* disable clock gen */ 1230 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, 1231 WM8350_SYSCLK_ENA); 1232 1233 regulator_bulk_disable(ARRAY_SIZE(priv->supplies), 1234 priv->supplies); 1235 break; 1236 } 1237 return 0; 1238 } 1239 1240 static void wm8350_hp_work(struct wm8350_data *priv, 1241 struct wm8350_jack_data *jack, 1242 u16 mask) 1243 { 1244 struct wm8350 *wm8350 = priv->wm8350; 1245 u16 reg; 1246 int report; 1247 1248 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS); 1249 if (reg & mask) 1250 report = jack->report; 1251 else 1252 report = 0; 1253 1254 snd_soc_jack_report(jack->jack, report, jack->report); 1255 1256 } 1257 1258 static void wm8350_hpl_work(struct work_struct *work) 1259 { 1260 struct wm8350_data *priv = 1261 container_of(work, struct wm8350_data, hpl.work.work); 1262 1263 wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL); 1264 } 1265 1266 static void wm8350_hpr_work(struct work_struct *work) 1267 { 1268 struct wm8350_data *priv = 1269 container_of(work, struct wm8350_data, hpr.work.work); 1270 1271 wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL); 1272 } 1273 1274 static irqreturn_t wm8350_hpl_jack_handler(int irq, void *data) 1275 { 1276 struct wm8350_data *priv = data; 1277 struct wm8350 *wm8350 = priv->wm8350; 1278 1279 #ifndef CONFIG_SND_SOC_WM8350_MODULE 1280 trace_snd_soc_jack_irq("WM8350 HPL"); 1281 #endif 1282 1283 if (device_may_wakeup(wm8350->dev)) 1284 pm_wakeup_event(wm8350->dev, 250); 1285 1286 queue_delayed_work(system_power_efficient_wq, 1287 &priv->hpl.work, msecs_to_jiffies(200)); 1288 1289 return IRQ_HANDLED; 1290 } 1291 1292 static irqreturn_t wm8350_hpr_jack_handler(int irq, void *data) 1293 { 1294 struct wm8350_data *priv = data; 1295 struct wm8350 *wm8350 = priv->wm8350; 1296 1297 #ifndef CONFIG_SND_SOC_WM8350_MODULE 1298 trace_snd_soc_jack_irq("WM8350 HPR"); 1299 #endif 1300 1301 if (device_may_wakeup(wm8350->dev)) 1302 pm_wakeup_event(wm8350->dev, 250); 1303 1304 queue_delayed_work(system_power_efficient_wq, 1305 &priv->hpr.work, msecs_to_jiffies(200)); 1306 1307 return IRQ_HANDLED; 1308 } 1309 1310 /** 1311 * wm8350_hp_jack_detect - Enable headphone jack detection. 1312 * 1313 * @codec: WM8350 codec 1314 * @which: left or right jack detect signal 1315 * @jack: jack to report detection events on 1316 * @report: value to report 1317 * 1318 * Enables the headphone jack detection of the WM8350. If no report 1319 * is specified then detection is disabled. 1320 */ 1321 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which, 1322 struct snd_soc_jack *jack, int report) 1323 { 1324 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1325 struct wm8350 *wm8350 = priv->wm8350; 1326 int ena; 1327 1328 switch (which) { 1329 case WM8350_JDL: 1330 priv->hpl.jack = jack; 1331 priv->hpl.report = report; 1332 ena = WM8350_JDL_ENA; 1333 break; 1334 1335 case WM8350_JDR: 1336 priv->hpr.jack = jack; 1337 priv->hpr.report = report; 1338 ena = WM8350_JDR_ENA; 1339 break; 1340 1341 default: 1342 return -EINVAL; 1343 } 1344 1345 if (report) { 1346 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA); 1347 wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena); 1348 } else { 1349 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena); 1350 } 1351 1352 /* Sync status */ 1353 switch (which) { 1354 case WM8350_JDL: 1355 wm8350_hpl_jack_handler(0, priv); 1356 break; 1357 case WM8350_JDR: 1358 wm8350_hpr_jack_handler(0, priv); 1359 break; 1360 } 1361 1362 return 0; 1363 } 1364 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect); 1365 1366 static irqreturn_t wm8350_mic_handler(int irq, void *data) 1367 { 1368 struct wm8350_data *priv = data; 1369 struct wm8350 *wm8350 = priv->wm8350; 1370 u16 reg; 1371 int report = 0; 1372 1373 #ifndef CONFIG_SND_SOC_WM8350_MODULE 1374 trace_snd_soc_jack_irq("WM8350 mic"); 1375 #endif 1376 1377 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS); 1378 if (reg & WM8350_JACK_MICSCD_LVL) 1379 report |= priv->mic.short_report; 1380 if (reg & WM8350_JACK_MICSD_LVL) 1381 report |= priv->mic.report; 1382 1383 snd_soc_jack_report(priv->mic.jack, report, 1384 priv->mic.report | priv->mic.short_report); 1385 1386 return IRQ_HANDLED; 1387 } 1388 1389 /** 1390 * wm8350_mic_jack_detect - Enable microphone jack detection. 1391 * 1392 * @codec: WM8350 codec 1393 * @jack: jack to report detection events on 1394 * @detect_report: value to report when presence detected 1395 * @short_report: value to report when microphone short detected 1396 * 1397 * Enables the microphone jack detection of the WM8350. If both reports 1398 * are specified as zero then detection is disabled. 1399 */ 1400 int wm8350_mic_jack_detect(struct snd_soc_codec *codec, 1401 struct snd_soc_jack *jack, 1402 int detect_report, int short_report) 1403 { 1404 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1405 struct wm8350 *wm8350 = priv->wm8350; 1406 1407 priv->mic.jack = jack; 1408 priv->mic.report = detect_report; 1409 priv->mic.short_report = short_report; 1410 1411 if (detect_report || short_report) { 1412 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA); 1413 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1, 1414 WM8350_MIC_DET_ENA); 1415 } else { 1416 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1, 1417 WM8350_MIC_DET_ENA); 1418 } 1419 1420 return 0; 1421 } 1422 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect); 1423 1424 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000) 1425 1426 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ 1427 SNDRV_PCM_FMTBIT_S20_3LE |\ 1428 SNDRV_PCM_FMTBIT_S24_LE) 1429 1430 static const struct snd_soc_dai_ops wm8350_dai_ops = { 1431 .hw_params = wm8350_pcm_hw_params, 1432 .digital_mute = wm8350_mute, 1433 .set_fmt = wm8350_set_dai_fmt, 1434 .set_sysclk = wm8350_set_dai_sysclk, 1435 .set_pll = wm8350_set_fll, 1436 .set_clkdiv = wm8350_set_clkdiv, 1437 }; 1438 1439 static struct snd_soc_dai_driver wm8350_dai = { 1440 .name = "wm8350-hifi", 1441 .playback = { 1442 .stream_name = "Playback", 1443 .channels_min = 1, 1444 .channels_max = 2, 1445 .rates = WM8350_RATES, 1446 .formats = WM8350_FORMATS, 1447 }, 1448 .capture = { 1449 .stream_name = "Capture", 1450 .channels_min = 1, 1451 .channels_max = 2, 1452 .rates = WM8350_RATES, 1453 .formats = WM8350_FORMATS, 1454 }, 1455 .ops = &wm8350_dai_ops, 1456 }; 1457 1458 static int wm8350_codec_probe(struct snd_soc_codec *codec) 1459 { 1460 struct wm8350 *wm8350 = dev_get_platdata(codec->dev); 1461 struct wm8350_data *priv; 1462 struct wm8350_output *out1; 1463 struct wm8350_output *out2; 1464 int ret, i; 1465 1466 if (wm8350->codec.platform_data == NULL) { 1467 dev_err(codec->dev, "No audio platform data supplied\n"); 1468 return -EINVAL; 1469 } 1470 1471 priv = devm_kzalloc(codec->dev, sizeof(struct wm8350_data), 1472 GFP_KERNEL); 1473 if (priv == NULL) 1474 return -ENOMEM; 1475 1476 snd_soc_codec_init_regmap(codec, wm8350->regmap); 1477 snd_soc_codec_set_drvdata(codec, priv); 1478 1479 priv->wm8350 = wm8350; 1480 1481 for (i = 0; i < ARRAY_SIZE(supply_names); i++) 1482 priv->supplies[i].supply = supply_names[i]; 1483 1484 ret = devm_regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies), 1485 priv->supplies); 1486 if (ret != 0) 1487 return ret; 1488 1489 /* Put the codec into reset if it wasn't already */ 1490 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA); 1491 1492 INIT_DELAYED_WORK(&priv->pga_work, wm8350_pga_work); 1493 INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work); 1494 INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work); 1495 1496 /* Enable the codec */ 1497 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA); 1498 1499 /* Enable robust clocking mode in ADC */ 1500 snd_soc_write(codec, WM8350_SECURITY, 0xa7); 1501 snd_soc_write(codec, 0xde, 0x13); 1502 snd_soc_write(codec, WM8350_SECURITY, 0); 1503 1504 /* read OUT1 & OUT2 volumes */ 1505 out1 = &priv->out1; 1506 out2 = &priv->out2; 1507 out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) & 1508 WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT; 1509 out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) & 1510 WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT; 1511 out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) & 1512 WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT; 1513 out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) & 1514 WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT; 1515 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0); 1516 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0); 1517 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0); 1518 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0); 1519 1520 /* Latch VU bits & mute */ 1521 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, 1522 WM8350_OUT1_VU | WM8350_OUT1L_MUTE); 1523 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, 1524 WM8350_OUT2_VU | WM8350_OUT2L_MUTE); 1525 wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME, 1526 WM8350_OUT1_VU | WM8350_OUT1R_MUTE); 1527 wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME, 1528 WM8350_OUT2_VU | WM8350_OUT2R_MUTE); 1529 1530 /* Make sure AIF tristating is disabled by default */ 1531 wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI); 1532 1533 /* Make sure we've got a sane companding setup too */ 1534 wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP, 1535 WM8350_DAC_COMP | WM8350_LOOPBACK); 1536 1537 /* Make sure jack detect is disabled to start off with */ 1538 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, 1539 WM8350_JDL_ENA | WM8350_JDR_ENA); 1540 1541 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, 1542 wm8350_hpl_jack_handler, 0, "Left jack detect", 1543 priv); 1544 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, 1545 wm8350_hpr_jack_handler, 0, "Right jack detect", 1546 priv); 1547 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, 1548 wm8350_mic_handler, 0, "Microphone short", priv); 1549 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD, 1550 wm8350_mic_handler, 0, "Microphone detect", priv); 1551 1552 return 0; 1553 } 1554 1555 static int wm8350_codec_remove(struct snd_soc_codec *codec) 1556 { 1557 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1558 struct wm8350 *wm8350 = dev_get_platdata(codec->dev); 1559 1560 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, 1561 WM8350_JDL_ENA | WM8350_JDR_ENA); 1562 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA); 1563 1564 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv); 1565 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv); 1566 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv); 1567 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv); 1568 1569 priv->hpl.jack = NULL; 1570 priv->hpr.jack = NULL; 1571 priv->mic.jack = NULL; 1572 1573 cancel_delayed_work_sync(&priv->hpl.work); 1574 cancel_delayed_work_sync(&priv->hpr.work); 1575 1576 /* if there was any work waiting then we run it now and 1577 * wait for its completion */ 1578 flush_delayed_work(&priv->pga_work); 1579 1580 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA); 1581 1582 return 0; 1583 } 1584 1585 static const struct snd_soc_codec_driver soc_codec_dev_wm8350 = { 1586 .probe = wm8350_codec_probe, 1587 .remove = wm8350_codec_remove, 1588 .set_bias_level = wm8350_set_bias_level, 1589 .suspend_bias_off = true, 1590 1591 .component_driver = { 1592 .controls = wm8350_snd_controls, 1593 .num_controls = ARRAY_SIZE(wm8350_snd_controls), 1594 .dapm_widgets = wm8350_dapm_widgets, 1595 .num_dapm_widgets = ARRAY_SIZE(wm8350_dapm_widgets), 1596 .dapm_routes = wm8350_dapm_routes, 1597 .num_dapm_routes = ARRAY_SIZE(wm8350_dapm_routes), 1598 }, 1599 }; 1600 1601 static int wm8350_probe(struct platform_device *pdev) 1602 { 1603 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350, 1604 &wm8350_dai, 1); 1605 } 1606 1607 static int wm8350_remove(struct platform_device *pdev) 1608 { 1609 snd_soc_unregister_codec(&pdev->dev); 1610 return 0; 1611 } 1612 1613 static struct platform_driver wm8350_codec_driver = { 1614 .driver = { 1615 .name = "wm8350-codec", 1616 }, 1617 .probe = wm8350_probe, 1618 .remove = wm8350_remove, 1619 }; 1620 1621 module_platform_driver(wm8350_codec_driver); 1622 1623 MODULE_DESCRIPTION("ASoC WM8350 driver"); 1624 MODULE_AUTHOR("Liam Girdwood"); 1625 MODULE_LICENSE("GPL"); 1626 MODULE_ALIAS("platform:wm8350-codec"); 1627