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 unsigned int capture_sd_tlv[] = { 398 TLV_DB_RANGE_HEAD(2), 399 0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1), 400 13, 15, TLV_DB_SCALE_ITEM(0, 0, 0), 401 }; 402 403 static const struct snd_kcontrol_new wm8350_snd_controls[] = { 404 SOC_ENUM("Playback Deemphasis", wm8350_enum[0]), 405 SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]), 406 SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume", 407 WM8350_DAC_DIGITAL_VOLUME_L, 408 WM8350_DAC_DIGITAL_VOLUME_R, 409 0, 255, 0, wm8350_get_volsw_2r, 410 wm8350_put_volsw_2r_vu, dac_pcm_tlv), 411 SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]), 412 SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]), 413 SOC_ENUM("Capture PCM Filter", wm8350_enum[4]), 414 SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]), 415 SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]), 416 SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume", 417 WM8350_ADC_DIGITAL_VOLUME_L, 418 WM8350_ADC_DIGITAL_VOLUME_R, 419 0, 255, 0, wm8350_get_volsw_2r, 420 wm8350_put_volsw_2r_vu, adc_pcm_tlv), 421 SOC_DOUBLE_TLV("Capture Sidetone Volume", 422 WM8350_ADC_DIVIDER, 423 8, 4, 15, 1, capture_sd_tlv), 424 SOC_DOUBLE_R_EXT_TLV("Capture Volume", 425 WM8350_LEFT_INPUT_VOLUME, 426 WM8350_RIGHT_INPUT_VOLUME, 427 2, 63, 0, wm8350_get_volsw_2r, 428 wm8350_put_volsw_2r_vu, pre_amp_tlv), 429 SOC_DOUBLE_R("Capture ZC Switch", 430 WM8350_LEFT_INPUT_VOLUME, 431 WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0), 432 SOC_SINGLE_TLV("Left Input Left Sidetone Volume", 433 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv), 434 SOC_SINGLE_TLV("Left Input Right Sidetone Volume", 435 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 436 5, 7, 0, out_mix_tlv), 437 SOC_SINGLE_TLV("Left Input Bypass Volume", 438 WM8350_OUTPUT_LEFT_MIXER_VOLUME, 439 9, 7, 0, out_mix_tlv), 440 SOC_SINGLE_TLV("Right Input Left Sidetone Volume", 441 WM8350_OUTPUT_RIGHT_MIXER_VOLUME, 442 1, 7, 0, out_mix_tlv), 443 SOC_SINGLE_TLV("Right Input Right Sidetone Volume", 444 WM8350_OUTPUT_RIGHT_MIXER_VOLUME, 445 5, 7, 0, out_mix_tlv), 446 SOC_SINGLE_TLV("Right Input Bypass Volume", 447 WM8350_OUTPUT_RIGHT_MIXER_VOLUME, 448 13, 7, 0, out_mix_tlv), 449 SOC_SINGLE("Left Input Mixer +20dB Switch", 450 WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0), 451 SOC_SINGLE("Right Input Mixer +20dB Switch", 452 WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0), 453 SOC_SINGLE_TLV("Out4 Capture Volume", 454 WM8350_INPUT_MIXER_VOLUME, 455 1, 7, 0, out_mix_tlv), 456 SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume", 457 WM8350_LOUT1_VOLUME, 458 WM8350_ROUT1_VOLUME, 459 2, 63, 0, wm8350_get_volsw_2r, 460 wm8350_put_volsw_2r_vu, out_pga_tlv), 461 SOC_DOUBLE_R("Out1 Playback ZC Switch", 462 WM8350_LOUT1_VOLUME, 463 WM8350_ROUT1_VOLUME, 13, 1, 0), 464 SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume", 465 WM8350_LOUT2_VOLUME, 466 WM8350_ROUT2_VOLUME, 467 2, 63, 0, wm8350_get_volsw_2r, 468 wm8350_put_volsw_2r_vu, out_pga_tlv), 469 SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME, 470 WM8350_ROUT2_VOLUME, 13, 1, 0), 471 SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0), 472 SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME, 473 5, 7, 0, out_mix_tlv), 474 475 SOC_DOUBLE_R("Out1 Playback Switch", 476 WM8350_LOUT1_VOLUME, 477 WM8350_ROUT1_VOLUME, 478 14, 1, 1), 479 SOC_DOUBLE_R("Out2 Playback Switch", 480 WM8350_LOUT2_VOLUME, 481 WM8350_ROUT2_VOLUME, 482 14, 1, 1), 483 }; 484 485 /* 486 * DAPM Controls 487 */ 488 489 /* Left Playback Mixer */ 490 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = { 491 SOC_DAPM_SINGLE("Playback Switch", 492 WM8350_LEFT_MIXER_CONTROL, 11, 1, 0), 493 SOC_DAPM_SINGLE("Left Bypass Switch", 494 WM8350_LEFT_MIXER_CONTROL, 2, 1, 0), 495 SOC_DAPM_SINGLE("Right Playback Switch", 496 WM8350_LEFT_MIXER_CONTROL, 12, 1, 0), 497 SOC_DAPM_SINGLE("Left Sidetone Switch", 498 WM8350_LEFT_MIXER_CONTROL, 0, 1, 0), 499 SOC_DAPM_SINGLE("Right Sidetone Switch", 500 WM8350_LEFT_MIXER_CONTROL, 1, 1, 0), 501 }; 502 503 /* Right Playback Mixer */ 504 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = { 505 SOC_DAPM_SINGLE("Playback Switch", 506 WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0), 507 SOC_DAPM_SINGLE("Right Bypass Switch", 508 WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0), 509 SOC_DAPM_SINGLE("Left Playback Switch", 510 WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0), 511 SOC_DAPM_SINGLE("Left Sidetone Switch", 512 WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0), 513 SOC_DAPM_SINGLE("Right Sidetone Switch", 514 WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0), 515 }; 516 517 /* Out4 Mixer */ 518 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = { 519 SOC_DAPM_SINGLE("Right Playback Switch", 520 WM8350_OUT4_MIXER_CONTROL, 12, 1, 0), 521 SOC_DAPM_SINGLE("Left Playback Switch", 522 WM8350_OUT4_MIXER_CONTROL, 11, 1, 0), 523 SOC_DAPM_SINGLE("Right Capture Switch", 524 WM8350_OUT4_MIXER_CONTROL, 9, 1, 0), 525 SOC_DAPM_SINGLE("Out3 Playback Switch", 526 WM8350_OUT4_MIXER_CONTROL, 2, 1, 0), 527 SOC_DAPM_SINGLE("Right Mixer Switch", 528 WM8350_OUT4_MIXER_CONTROL, 1, 1, 0), 529 SOC_DAPM_SINGLE("Left Mixer Switch", 530 WM8350_OUT4_MIXER_CONTROL, 0, 1, 0), 531 }; 532 533 /* Out3 Mixer */ 534 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = { 535 SOC_DAPM_SINGLE("Left Playback Switch", 536 WM8350_OUT3_MIXER_CONTROL, 11, 1, 0), 537 SOC_DAPM_SINGLE("Left Capture Switch", 538 WM8350_OUT3_MIXER_CONTROL, 8, 1, 0), 539 SOC_DAPM_SINGLE("Out4 Playback Switch", 540 WM8350_OUT3_MIXER_CONTROL, 3, 1, 0), 541 SOC_DAPM_SINGLE("Left Mixer Switch", 542 WM8350_OUT3_MIXER_CONTROL, 0, 1, 0), 543 }; 544 545 /* Left Input Mixer */ 546 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = { 547 SOC_DAPM_SINGLE_TLV("L2 Capture Volume", 548 WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv), 549 SOC_DAPM_SINGLE_TLV("L3 Capture Volume", 550 WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv), 551 SOC_DAPM_SINGLE("PGA Capture Switch", 552 WM8350_LEFT_INPUT_VOLUME, 14, 1, 1), 553 }; 554 555 /* Right Input Mixer */ 556 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = { 557 SOC_DAPM_SINGLE_TLV("L2 Capture Volume", 558 WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv), 559 SOC_DAPM_SINGLE_TLV("L3 Capture Volume", 560 WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv), 561 SOC_DAPM_SINGLE("PGA Capture Switch", 562 WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1), 563 }; 564 565 /* Left Mic Mixer */ 566 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = { 567 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0), 568 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0), 569 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0), 570 }; 571 572 /* Right Mic Mixer */ 573 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = { 574 SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0), 575 SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0), 576 SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0), 577 }; 578 579 /* Beep Switch */ 580 static const struct snd_kcontrol_new wm8350_beep_switch_controls = 581 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1); 582 583 /* Out4 Capture Mux */ 584 static const struct snd_kcontrol_new wm8350_out4_capture_controls = 585 SOC_DAPM_ENUM("Route", wm8350_enum[7]); 586 587 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = { 588 589 SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0), 590 SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0), 591 SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL, 592 0, pga_event, 593 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 594 SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0, 595 pga_event, 596 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 597 SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL, 598 0, pga_event, 599 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 600 SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0, 601 pga_event, 602 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 603 604 SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2, 605 7, 0, &wm8350_right_capt_mixer_controls[0], 606 ARRAY_SIZE(wm8350_right_capt_mixer_controls)), 607 608 SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2, 609 6, 0, &wm8350_left_capt_mixer_controls[0], 610 ARRAY_SIZE(wm8350_left_capt_mixer_controls)), 611 612 SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0, 613 &wm8350_out4_mixer_controls[0], 614 ARRAY_SIZE(wm8350_out4_mixer_controls)), 615 616 SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0, 617 &wm8350_out3_mixer_controls[0], 618 ARRAY_SIZE(wm8350_out3_mixer_controls)), 619 620 SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0, 621 &wm8350_right_play_mixer_controls[0], 622 ARRAY_SIZE(wm8350_right_play_mixer_controls)), 623 624 SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0, 625 &wm8350_left_play_mixer_controls[0], 626 ARRAY_SIZE(wm8350_left_play_mixer_controls)), 627 628 SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0, 629 &wm8350_left_mic_mixer_controls[0], 630 ARRAY_SIZE(wm8350_left_mic_mixer_controls)), 631 632 SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0, 633 &wm8350_right_mic_mixer_controls[0], 634 ARRAY_SIZE(wm8350_right_mic_mixer_controls)), 635 636 /* virtual mixer for Beep and Out2R */ 637 SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), 638 639 SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0, 640 &wm8350_beep_switch_controls), 641 642 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", 643 WM8350_POWER_MGMT_4, 3, 0), 644 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", 645 WM8350_POWER_MGMT_4, 2, 0), 646 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", 647 WM8350_POWER_MGMT_4, 5, 0), 648 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", 649 WM8350_POWER_MGMT_4, 4, 0), 650 651 SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0), 652 653 SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0, 654 &wm8350_out4_capture_controls), 655 656 SND_SOC_DAPM_OUTPUT("OUT1R"), 657 SND_SOC_DAPM_OUTPUT("OUT1L"), 658 SND_SOC_DAPM_OUTPUT("OUT2R"), 659 SND_SOC_DAPM_OUTPUT("OUT2L"), 660 SND_SOC_DAPM_OUTPUT("OUT3"), 661 SND_SOC_DAPM_OUTPUT("OUT4"), 662 663 SND_SOC_DAPM_INPUT("IN1RN"), 664 SND_SOC_DAPM_INPUT("IN1RP"), 665 SND_SOC_DAPM_INPUT("IN2R"), 666 SND_SOC_DAPM_INPUT("IN1LP"), 667 SND_SOC_DAPM_INPUT("IN1LN"), 668 SND_SOC_DAPM_INPUT("IN2L"), 669 SND_SOC_DAPM_INPUT("IN3R"), 670 SND_SOC_DAPM_INPUT("IN3L"), 671 }; 672 673 static const struct snd_soc_dapm_route wm8350_dapm_routes[] = { 674 675 /* left playback mixer */ 676 {"Left Playback Mixer", "Playback Switch", "Left DAC"}, 677 {"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"}, 678 {"Left Playback Mixer", "Right Playback Switch", "Right DAC"}, 679 {"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"}, 680 {"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"}, 681 682 /* right playback mixer */ 683 {"Right Playback Mixer", "Playback Switch", "Right DAC"}, 684 {"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"}, 685 {"Right Playback Mixer", "Left Playback Switch", "Left DAC"}, 686 {"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"}, 687 {"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"}, 688 689 /* out4 playback mixer */ 690 {"Out4 Mixer", "Right Playback Switch", "Right DAC"}, 691 {"Out4 Mixer", "Left Playback Switch", "Left DAC"}, 692 {"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"}, 693 {"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"}, 694 {"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"}, 695 {"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"}, 696 {"OUT4", NULL, "Out4 Mixer"}, 697 698 /* out3 playback mixer */ 699 {"Out3 Mixer", "Left Playback Switch", "Left DAC"}, 700 {"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"}, 701 {"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"}, 702 {"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"}, 703 {"OUT3", NULL, "Out3 Mixer"}, 704 705 /* out2 */ 706 {"Right Out2 PGA", NULL, "Right Playback Mixer"}, 707 {"Left Out2 PGA", NULL, "Left Playback Mixer"}, 708 {"OUT2L", NULL, "Left Out2 PGA"}, 709 {"OUT2R", NULL, "Right Out2 PGA"}, 710 711 /* out1 */ 712 {"Right Out1 PGA", NULL, "Right Playback Mixer"}, 713 {"Left Out1 PGA", NULL, "Left Playback Mixer"}, 714 {"OUT1L", NULL, "Left Out1 PGA"}, 715 {"OUT1R", NULL, "Right Out1 PGA"}, 716 717 /* ADCs */ 718 {"Left ADC", NULL, "Left Capture Mixer"}, 719 {"Right ADC", NULL, "Right Capture Mixer"}, 720 721 /* Left capture mixer */ 722 {"Left Capture Mixer", "L2 Capture Volume", "IN2L"}, 723 {"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"}, 724 {"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"}, 725 {"Left Capture Mixer", NULL, "Out4 Capture Channel"}, 726 727 /* Right capture mixer */ 728 {"Right Capture Mixer", "L2 Capture Volume", "IN2R"}, 729 {"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"}, 730 {"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"}, 731 {"Right Capture Mixer", NULL, "Out4 Capture Channel"}, 732 733 /* L3 Inputs */ 734 {"IN3L PGA", NULL, "IN3L"}, 735 {"IN3R PGA", NULL, "IN3R"}, 736 737 /* Left Mic mixer */ 738 {"Left Mic Mixer", "INN Capture Switch", "IN1LN"}, 739 {"Left Mic Mixer", "INP Capture Switch", "IN1LP"}, 740 {"Left Mic Mixer", "IN2 Capture Switch", "IN2L"}, 741 742 /* Right Mic mixer */ 743 {"Right Mic Mixer", "INN Capture Switch", "IN1RN"}, 744 {"Right Mic Mixer", "INP Capture Switch", "IN1RP"}, 745 {"Right Mic Mixer", "IN2 Capture Switch", "IN2R"}, 746 747 /* out 4 capture */ 748 {"Out4 Capture Channel", NULL, "Out4 Mixer"}, 749 750 /* Beep */ 751 {"Beep", NULL, "IN3R PGA"}, 752 }; 753 754 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai, 755 int clk_id, unsigned int freq, int dir) 756 { 757 struct snd_soc_codec *codec = codec_dai->codec; 758 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec); 759 struct wm8350 *wm8350 = wm8350_data->wm8350; 760 u16 fll_4; 761 762 switch (clk_id) { 763 case WM8350_MCLK_SEL_MCLK: 764 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1, 765 WM8350_MCLK_SEL); 766 break; 767 case WM8350_MCLK_SEL_PLL_MCLK: 768 case WM8350_MCLK_SEL_PLL_DAC: 769 case WM8350_MCLK_SEL_PLL_ADC: 770 case WM8350_MCLK_SEL_PLL_32K: 771 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1, 772 WM8350_MCLK_SEL); 773 fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) & 774 ~WM8350_FLL_CLK_SRC_MASK; 775 snd_soc_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id); 776 break; 777 } 778 779 /* MCLK direction */ 780 if (dir == SND_SOC_CLOCK_OUT) 781 wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2, 782 WM8350_MCLK_DIR); 783 else 784 wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2, 785 WM8350_MCLK_DIR); 786 787 return 0; 788 } 789 790 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) 791 { 792 struct snd_soc_codec *codec = codec_dai->codec; 793 u16 val; 794 795 switch (div_id) { 796 case WM8350_ADC_CLKDIV: 797 val = snd_soc_read(codec, WM8350_ADC_DIVIDER) & 798 ~WM8350_ADC_CLKDIV_MASK; 799 snd_soc_write(codec, WM8350_ADC_DIVIDER, val | div); 800 break; 801 case WM8350_DAC_CLKDIV: 802 val = snd_soc_read(codec, WM8350_DAC_CLOCK_CONTROL) & 803 ~WM8350_DAC_CLKDIV_MASK; 804 snd_soc_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div); 805 break; 806 case WM8350_BCLK_CLKDIV: 807 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) & 808 ~WM8350_BCLK_DIV_MASK; 809 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div); 810 break; 811 case WM8350_OPCLK_CLKDIV: 812 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) & 813 ~WM8350_OPCLK_DIV_MASK; 814 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div); 815 break; 816 case WM8350_SYS_CLKDIV: 817 val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) & 818 ~WM8350_MCLK_DIV_MASK; 819 snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div); 820 break; 821 case WM8350_DACLR_CLKDIV: 822 val = snd_soc_read(codec, WM8350_DAC_LR_RATE) & 823 ~WM8350_DACLRC_RATE_MASK; 824 snd_soc_write(codec, WM8350_DAC_LR_RATE, val | div); 825 break; 826 case WM8350_ADCLR_CLKDIV: 827 val = snd_soc_read(codec, WM8350_ADC_LR_RATE) & 828 ~WM8350_ADCLRC_RATE_MASK; 829 snd_soc_write(codec, WM8350_ADC_LR_RATE, val | div); 830 break; 831 default: 832 return -EINVAL; 833 } 834 835 return 0; 836 } 837 838 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 839 { 840 struct snd_soc_codec *codec = codec_dai->codec; 841 u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) & 842 ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK); 843 u16 master = snd_soc_read(codec, WM8350_AI_DAC_CONTROL) & 844 ~WM8350_BCLK_MSTR; 845 u16 dac_lrc = snd_soc_read(codec, WM8350_DAC_LR_RATE) & 846 ~WM8350_DACLRC_ENA; 847 u16 adc_lrc = snd_soc_read(codec, WM8350_ADC_LR_RATE) & 848 ~WM8350_ADCLRC_ENA; 849 850 /* set master/slave audio interface */ 851 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 852 case SND_SOC_DAIFMT_CBM_CFM: 853 master |= WM8350_BCLK_MSTR; 854 dac_lrc |= WM8350_DACLRC_ENA; 855 adc_lrc |= WM8350_ADCLRC_ENA; 856 break; 857 case SND_SOC_DAIFMT_CBS_CFS: 858 break; 859 default: 860 return -EINVAL; 861 } 862 863 /* interface format */ 864 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 865 case SND_SOC_DAIFMT_I2S: 866 iface |= 0x2 << 8; 867 break; 868 case SND_SOC_DAIFMT_RIGHT_J: 869 break; 870 case SND_SOC_DAIFMT_LEFT_J: 871 iface |= 0x1 << 8; 872 break; 873 case SND_SOC_DAIFMT_DSP_A: 874 iface |= 0x3 << 8; 875 break; 876 case SND_SOC_DAIFMT_DSP_B: 877 iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV; 878 break; 879 default: 880 return -EINVAL; 881 } 882 883 /* clock inversion */ 884 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 885 case SND_SOC_DAIFMT_NB_NF: 886 break; 887 case SND_SOC_DAIFMT_IB_IF: 888 iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV; 889 break; 890 case SND_SOC_DAIFMT_IB_NF: 891 iface |= WM8350_AIF_BCLK_INV; 892 break; 893 case SND_SOC_DAIFMT_NB_IF: 894 iface |= WM8350_AIF_LRCLK_INV; 895 break; 896 default: 897 return -EINVAL; 898 } 899 900 snd_soc_write(codec, WM8350_AI_FORMATING, iface); 901 snd_soc_write(codec, WM8350_AI_DAC_CONTROL, master); 902 snd_soc_write(codec, WM8350_DAC_LR_RATE, dac_lrc); 903 snd_soc_write(codec, WM8350_ADC_LR_RATE, adc_lrc); 904 return 0; 905 } 906 907 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream, 908 struct snd_pcm_hw_params *params, 909 struct snd_soc_dai *codec_dai) 910 { 911 struct snd_soc_codec *codec = codec_dai->codec; 912 struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec); 913 struct wm8350 *wm8350 = wm8350_data->wm8350; 914 u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) & 915 ~WM8350_AIF_WL_MASK; 916 917 /* bit size */ 918 switch (params_width(params)) { 919 case 16: 920 break; 921 case 20: 922 iface |= 0x1 << 10; 923 break; 924 case 24: 925 iface |= 0x2 << 10; 926 break; 927 case 32: 928 iface |= 0x3 << 10; 929 break; 930 } 931 932 snd_soc_write(codec, WM8350_AI_FORMATING, iface); 933 934 /* The sloping stopband filter is recommended for use with 935 * lower sample rates to improve performance. 936 */ 937 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 938 if (params_rate(params) < 24000) 939 wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME, 940 WM8350_DAC_SB_FILT); 941 else 942 wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME, 943 WM8350_DAC_SB_FILT); 944 } 945 946 return 0; 947 } 948 949 static int wm8350_mute(struct snd_soc_dai *dai, int mute) 950 { 951 struct snd_soc_codec *codec = dai->codec; 952 unsigned int val; 953 954 if (mute) 955 val = WM8350_DAC_MUTE_ENA; 956 else 957 val = 0; 958 959 snd_soc_update_bits(codec, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA, val); 960 961 return 0; 962 } 963 964 /* FLL divisors */ 965 struct _fll_div { 966 int div; /* FLL_OUTDIV */ 967 int n; 968 int k; 969 int ratio; /* FLL_FRATIO */ 970 }; 971 972 /* The size in bits of the fll divide multiplied by 10 973 * to allow rounding later */ 974 #define FIXED_FLL_SIZE ((1 << 16) * 10) 975 976 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input, 977 unsigned int output) 978 { 979 u64 Kpart; 980 unsigned int t1, t2, K, Nmod; 981 982 if (output >= 2815250 && output <= 3125000) 983 fll_div->div = 0x4; 984 else if (output >= 5625000 && output <= 6250000) 985 fll_div->div = 0x3; 986 else if (output >= 11250000 && output <= 12500000) 987 fll_div->div = 0x2; 988 else if (output >= 22500000 && output <= 25000000) 989 fll_div->div = 0x1; 990 else { 991 printk(KERN_ERR "wm8350: fll freq %d out of range\n", output); 992 return -EINVAL; 993 } 994 995 if (input > 48000) 996 fll_div->ratio = 1; 997 else 998 fll_div->ratio = 8; 999 1000 t1 = output * (1 << (fll_div->div + 1)); 1001 t2 = input * fll_div->ratio; 1002 1003 fll_div->n = t1 / t2; 1004 Nmod = t1 % t2; 1005 1006 if (Nmod) { 1007 Kpart = FIXED_FLL_SIZE * (long long)Nmod; 1008 do_div(Kpart, t2); 1009 K = Kpart & 0xFFFFFFFF; 1010 1011 /* Check if we need to round */ 1012 if ((K % 10) >= 5) 1013 K += 5; 1014 1015 /* Move down to proper range now rounding is done */ 1016 K /= 10; 1017 fll_div->k = K; 1018 } else 1019 fll_div->k = 0; 1020 1021 return 0; 1022 } 1023 1024 static int wm8350_set_fll(struct snd_soc_dai *codec_dai, 1025 int pll_id, int source, unsigned int freq_in, 1026 unsigned int freq_out) 1027 { 1028 struct snd_soc_codec *codec = codec_dai->codec; 1029 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1030 struct wm8350 *wm8350 = priv->wm8350; 1031 struct _fll_div fll_div; 1032 int ret = 0; 1033 u16 fll_1, fll_4; 1034 1035 if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out) 1036 return 0; 1037 1038 /* power down FLL - we need to do this for reconfiguration */ 1039 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, 1040 WM8350_FLL_ENA | WM8350_FLL_OSC_ENA); 1041 1042 if (freq_out == 0 || freq_in == 0) 1043 return ret; 1044 1045 ret = fll_factors(&fll_div, freq_in, freq_out); 1046 if (ret < 0) 1047 return ret; 1048 dev_dbg(wm8350->dev, 1049 "FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d", 1050 freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div, 1051 fll_div.ratio); 1052 1053 /* set up N.K & dividers */ 1054 fll_1 = snd_soc_read(codec, WM8350_FLL_CONTROL_1) & 1055 ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000); 1056 snd_soc_write(codec, WM8350_FLL_CONTROL_1, 1057 fll_1 | (fll_div.div << 8) | 0x50); 1058 snd_soc_write(codec, WM8350_FLL_CONTROL_2, 1059 (fll_div.ratio << 11) | (fll_div. 1060 n & WM8350_FLL_N_MASK)); 1061 snd_soc_write(codec, WM8350_FLL_CONTROL_3, fll_div.k); 1062 fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) & 1063 ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF); 1064 snd_soc_write(codec, WM8350_FLL_CONTROL_4, 1065 fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) | 1066 (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0)); 1067 1068 /* power FLL on */ 1069 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA); 1070 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA); 1071 1072 priv->fll_freq_out = freq_out; 1073 priv->fll_freq_in = freq_in; 1074 1075 return 0; 1076 } 1077 1078 static int wm8350_set_bias_level(struct snd_soc_codec *codec, 1079 enum snd_soc_bias_level level) 1080 { 1081 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1082 struct wm8350 *wm8350 = priv->wm8350; 1083 struct wm8350_audio_platform_data *platform = 1084 wm8350->codec.platform_data; 1085 u16 pm1; 1086 int ret; 1087 1088 switch (level) { 1089 case SND_SOC_BIAS_ON: 1090 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1091 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK); 1092 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1093 pm1 | WM8350_VMID_50K | 1094 platform->codec_current_on << 14); 1095 break; 1096 1097 case SND_SOC_BIAS_PREPARE: 1098 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1); 1099 pm1 &= ~WM8350_VMID_MASK; 1100 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1101 pm1 | WM8350_VMID_50K); 1102 break; 1103 1104 case SND_SOC_BIAS_STANDBY: 1105 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { 1106 ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), 1107 priv->supplies); 1108 if (ret != 0) 1109 return ret; 1110 1111 /* Enable the system clock */ 1112 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, 1113 WM8350_SYSCLK_ENA); 1114 1115 /* mute DAC & outputs */ 1116 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, 1117 WM8350_DAC_MUTE_ENA); 1118 1119 /* discharge cap memory */ 1120 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1121 platform->dis_out1 | 1122 (platform->dis_out2 << 2) | 1123 (platform->dis_out3 << 4) | 1124 (platform->dis_out4 << 6)); 1125 1126 /* wait for discharge */ 1127 schedule_timeout_interruptible(msecs_to_jiffies 1128 (platform-> 1129 cap_discharge_msecs)); 1130 1131 /* enable antipop */ 1132 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1133 (platform->vmid_s_curve << 8)); 1134 1135 /* ramp up vmid */ 1136 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1137 (platform-> 1138 codec_current_charge << 14) | 1139 WM8350_VMID_5K | WM8350_VMIDEN | 1140 WM8350_VBUFEN); 1141 1142 /* wait for vmid */ 1143 schedule_timeout_interruptible(msecs_to_jiffies 1144 (platform-> 1145 vmid_charge_msecs)); 1146 1147 /* turn on vmid 300k */ 1148 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1149 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK); 1150 pm1 |= WM8350_VMID_300K | 1151 (platform->codec_current_standby << 14); 1152 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1153 pm1); 1154 1155 1156 /* enable analogue bias */ 1157 pm1 |= WM8350_BIASEN; 1158 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1); 1159 1160 /* disable antipop */ 1161 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0); 1162 1163 } else { 1164 /* turn on vmid 300k and reduce current */ 1165 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1166 ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK); 1167 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1168 pm1 | WM8350_VMID_300K | 1169 (platform-> 1170 codec_current_standby << 14)); 1171 1172 } 1173 break; 1174 1175 case SND_SOC_BIAS_OFF: 1176 1177 /* mute DAC & enable outputs */ 1178 wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA); 1179 1180 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3, 1181 WM8350_OUT1L_ENA | WM8350_OUT1R_ENA | 1182 WM8350_OUT2L_ENA | WM8350_OUT2R_ENA); 1183 1184 /* enable anti pop S curve */ 1185 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1186 (platform->vmid_s_curve << 8)); 1187 1188 /* turn off vmid */ 1189 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1190 ~WM8350_VMIDEN; 1191 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1); 1192 1193 /* wait */ 1194 schedule_timeout_interruptible(msecs_to_jiffies 1195 (platform-> 1196 vmid_discharge_msecs)); 1197 1198 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 1199 (platform->vmid_s_curve << 8) | 1200 platform->dis_out1 | 1201 (platform->dis_out2 << 2) | 1202 (platform->dis_out3 << 4) | 1203 (platform->dis_out4 << 6)); 1204 1205 /* turn off VBuf and drain */ 1206 pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) & 1207 ~(WM8350_VBUFEN | WM8350_VMID_MASK); 1208 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, 1209 pm1 | WM8350_OUTPUT_DRAIN_EN); 1210 1211 /* wait */ 1212 schedule_timeout_interruptible(msecs_to_jiffies 1213 (platform->drain_msecs)); 1214 1215 pm1 &= ~WM8350_BIASEN; 1216 wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1); 1217 1218 /* disable anti-pop */ 1219 wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0); 1220 1221 wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME, 1222 WM8350_OUT1L_ENA); 1223 wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME, 1224 WM8350_OUT1R_ENA); 1225 wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME, 1226 WM8350_OUT2L_ENA); 1227 wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME, 1228 WM8350_OUT2R_ENA); 1229 1230 /* disable clock gen */ 1231 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, 1232 WM8350_SYSCLK_ENA); 1233 1234 regulator_bulk_disable(ARRAY_SIZE(priv->supplies), 1235 priv->supplies); 1236 break; 1237 } 1238 return 0; 1239 } 1240 1241 static void wm8350_hp_work(struct wm8350_data *priv, 1242 struct wm8350_jack_data *jack, 1243 u16 mask) 1244 { 1245 struct wm8350 *wm8350 = priv->wm8350; 1246 u16 reg; 1247 int report; 1248 1249 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS); 1250 if (reg & mask) 1251 report = jack->report; 1252 else 1253 report = 0; 1254 1255 snd_soc_jack_report(jack->jack, report, jack->report); 1256 1257 } 1258 1259 static void wm8350_hpl_work(struct work_struct *work) 1260 { 1261 struct wm8350_data *priv = 1262 container_of(work, struct wm8350_data, hpl.work.work); 1263 1264 wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL); 1265 } 1266 1267 static void wm8350_hpr_work(struct work_struct *work) 1268 { 1269 struct wm8350_data *priv = 1270 container_of(work, struct wm8350_data, hpr.work.work); 1271 1272 wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL); 1273 } 1274 1275 static irqreturn_t wm8350_hpl_jack_handler(int irq, void *data) 1276 { 1277 struct wm8350_data *priv = data; 1278 struct wm8350 *wm8350 = priv->wm8350; 1279 1280 #ifndef CONFIG_SND_SOC_WM8350_MODULE 1281 trace_snd_soc_jack_irq("WM8350 HPL"); 1282 #endif 1283 1284 if (device_may_wakeup(wm8350->dev)) 1285 pm_wakeup_event(wm8350->dev, 250); 1286 1287 queue_delayed_work(system_power_efficient_wq, 1288 &priv->hpl.work, msecs_to_jiffies(200)); 1289 1290 return IRQ_HANDLED; 1291 } 1292 1293 static irqreturn_t wm8350_hpr_jack_handler(int irq, void *data) 1294 { 1295 struct wm8350_data *priv = data; 1296 struct wm8350 *wm8350 = priv->wm8350; 1297 1298 #ifndef CONFIG_SND_SOC_WM8350_MODULE 1299 trace_snd_soc_jack_irq("WM8350 HPR"); 1300 #endif 1301 1302 if (device_may_wakeup(wm8350->dev)) 1303 pm_wakeup_event(wm8350->dev, 250); 1304 1305 queue_delayed_work(system_power_efficient_wq, 1306 &priv->hpr.work, msecs_to_jiffies(200)); 1307 1308 return IRQ_HANDLED; 1309 } 1310 1311 /** 1312 * wm8350_hp_jack_detect - Enable headphone jack detection. 1313 * 1314 * @codec: WM8350 codec 1315 * @which: left or right jack detect signal 1316 * @jack: jack to report detection events on 1317 * @report: value to report 1318 * 1319 * Enables the headphone jack detection of the WM8350. If no report 1320 * is specified then detection is disabled. 1321 */ 1322 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which, 1323 struct snd_soc_jack *jack, int report) 1324 { 1325 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1326 struct wm8350 *wm8350 = priv->wm8350; 1327 int ena; 1328 1329 switch (which) { 1330 case WM8350_JDL: 1331 priv->hpl.jack = jack; 1332 priv->hpl.report = report; 1333 ena = WM8350_JDL_ENA; 1334 break; 1335 1336 case WM8350_JDR: 1337 priv->hpr.jack = jack; 1338 priv->hpr.report = report; 1339 ena = WM8350_JDR_ENA; 1340 break; 1341 1342 default: 1343 return -EINVAL; 1344 } 1345 1346 if (report) { 1347 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA); 1348 wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena); 1349 } else { 1350 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena); 1351 } 1352 1353 /* Sync status */ 1354 switch (which) { 1355 case WM8350_JDL: 1356 wm8350_hpl_jack_handler(0, priv); 1357 break; 1358 case WM8350_JDR: 1359 wm8350_hpr_jack_handler(0, priv); 1360 break; 1361 } 1362 1363 return 0; 1364 } 1365 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect); 1366 1367 static irqreturn_t wm8350_mic_handler(int irq, void *data) 1368 { 1369 struct wm8350_data *priv = data; 1370 struct wm8350 *wm8350 = priv->wm8350; 1371 u16 reg; 1372 int report = 0; 1373 1374 #ifndef CONFIG_SND_SOC_WM8350_MODULE 1375 trace_snd_soc_jack_irq("WM8350 mic"); 1376 #endif 1377 1378 reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS); 1379 if (reg & WM8350_JACK_MICSCD_LVL) 1380 report |= priv->mic.short_report; 1381 if (reg & WM8350_JACK_MICSD_LVL) 1382 report |= priv->mic.report; 1383 1384 snd_soc_jack_report(priv->mic.jack, report, 1385 priv->mic.report | priv->mic.short_report); 1386 1387 return IRQ_HANDLED; 1388 } 1389 1390 /** 1391 * wm8350_mic_jack_detect - Enable microphone jack detection. 1392 * 1393 * @codec: WM8350 codec 1394 * @jack: jack to report detection events on 1395 * @detect_report: value to report when presence detected 1396 * @short_report: value to report when microphone short detected 1397 * 1398 * Enables the microphone jack detection of the WM8350. If both reports 1399 * are specified as zero then detection is disabled. 1400 */ 1401 int wm8350_mic_jack_detect(struct snd_soc_codec *codec, 1402 struct snd_soc_jack *jack, 1403 int detect_report, int short_report) 1404 { 1405 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1406 struct wm8350 *wm8350 = priv->wm8350; 1407 1408 priv->mic.jack = jack; 1409 priv->mic.report = detect_report; 1410 priv->mic.short_report = short_report; 1411 1412 if (detect_report || short_report) { 1413 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA); 1414 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1, 1415 WM8350_MIC_DET_ENA); 1416 } else { 1417 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1, 1418 WM8350_MIC_DET_ENA); 1419 } 1420 1421 return 0; 1422 } 1423 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect); 1424 1425 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000) 1426 1427 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ 1428 SNDRV_PCM_FMTBIT_S20_3LE |\ 1429 SNDRV_PCM_FMTBIT_S24_LE) 1430 1431 static const struct snd_soc_dai_ops wm8350_dai_ops = { 1432 .hw_params = wm8350_pcm_hw_params, 1433 .digital_mute = wm8350_mute, 1434 .set_fmt = wm8350_set_dai_fmt, 1435 .set_sysclk = wm8350_set_dai_sysclk, 1436 .set_pll = wm8350_set_fll, 1437 .set_clkdiv = wm8350_set_clkdiv, 1438 }; 1439 1440 static struct snd_soc_dai_driver wm8350_dai = { 1441 .name = "wm8350-hifi", 1442 .playback = { 1443 .stream_name = "Playback", 1444 .channels_min = 1, 1445 .channels_max = 2, 1446 .rates = WM8350_RATES, 1447 .formats = WM8350_FORMATS, 1448 }, 1449 .capture = { 1450 .stream_name = "Capture", 1451 .channels_min = 1, 1452 .channels_max = 2, 1453 .rates = WM8350_RATES, 1454 .formats = WM8350_FORMATS, 1455 }, 1456 .ops = &wm8350_dai_ops, 1457 }; 1458 1459 static int wm8350_codec_probe(struct snd_soc_codec *codec) 1460 { 1461 struct wm8350 *wm8350 = dev_get_platdata(codec->dev); 1462 struct wm8350_data *priv; 1463 struct wm8350_output *out1; 1464 struct wm8350_output *out2; 1465 int ret, i; 1466 1467 if (wm8350->codec.platform_data == NULL) { 1468 dev_err(codec->dev, "No audio platform data supplied\n"); 1469 return -EINVAL; 1470 } 1471 1472 priv = devm_kzalloc(codec->dev, sizeof(struct wm8350_data), 1473 GFP_KERNEL); 1474 if (priv == NULL) 1475 return -ENOMEM; 1476 snd_soc_codec_set_drvdata(codec, priv); 1477 1478 priv->wm8350 = wm8350; 1479 1480 for (i = 0; i < ARRAY_SIZE(supply_names); i++) 1481 priv->supplies[i].supply = supply_names[i]; 1482 1483 ret = devm_regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies), 1484 priv->supplies); 1485 if (ret != 0) 1486 return ret; 1487 1488 /* Put the codec into reset if it wasn't already */ 1489 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA); 1490 1491 INIT_DELAYED_WORK(&priv->pga_work, wm8350_pga_work); 1492 INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work); 1493 INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work); 1494 1495 /* Enable the codec */ 1496 wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA); 1497 1498 /* Enable robust clocking mode in ADC */ 1499 snd_soc_write(codec, WM8350_SECURITY, 0xa7); 1500 snd_soc_write(codec, 0xde, 0x13); 1501 snd_soc_write(codec, WM8350_SECURITY, 0); 1502 1503 /* read OUT1 & OUT2 volumes */ 1504 out1 = &priv->out1; 1505 out2 = &priv->out2; 1506 out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) & 1507 WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT; 1508 out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) & 1509 WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT; 1510 out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) & 1511 WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT; 1512 out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) & 1513 WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT; 1514 wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0); 1515 wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0); 1516 wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0); 1517 wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0); 1518 1519 /* Latch VU bits & mute */ 1520 wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, 1521 WM8350_OUT1_VU | WM8350_OUT1L_MUTE); 1522 wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, 1523 WM8350_OUT2_VU | WM8350_OUT2L_MUTE); 1524 wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME, 1525 WM8350_OUT1_VU | WM8350_OUT1R_MUTE); 1526 wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME, 1527 WM8350_OUT2_VU | WM8350_OUT2R_MUTE); 1528 1529 /* Make sure AIF tristating is disabled by default */ 1530 wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI); 1531 1532 /* Make sure we've got a sane companding setup too */ 1533 wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP, 1534 WM8350_DAC_COMP | WM8350_LOOPBACK); 1535 1536 /* Make sure jack detect is disabled to start off with */ 1537 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, 1538 WM8350_JDL_ENA | WM8350_JDR_ENA); 1539 1540 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, 1541 wm8350_hpl_jack_handler, 0, "Left jack detect", 1542 priv); 1543 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, 1544 wm8350_hpr_jack_handler, 0, "Right jack detect", 1545 priv); 1546 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, 1547 wm8350_mic_handler, 0, "Microphone short", priv); 1548 wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD, 1549 wm8350_mic_handler, 0, "Microphone detect", priv); 1550 1551 return 0; 1552 } 1553 1554 static int wm8350_codec_remove(struct snd_soc_codec *codec) 1555 { 1556 struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec); 1557 struct wm8350 *wm8350 = dev_get_platdata(codec->dev); 1558 1559 wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, 1560 WM8350_JDL_ENA | WM8350_JDR_ENA); 1561 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA); 1562 1563 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv); 1564 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv); 1565 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv); 1566 wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv); 1567 1568 priv->hpl.jack = NULL; 1569 priv->hpr.jack = NULL; 1570 priv->mic.jack = NULL; 1571 1572 cancel_delayed_work_sync(&priv->hpl.work); 1573 cancel_delayed_work_sync(&priv->hpr.work); 1574 1575 /* if there was any work waiting then we run it now and 1576 * wait for its completion */ 1577 flush_delayed_work(&priv->pga_work); 1578 1579 wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA); 1580 1581 return 0; 1582 } 1583 1584 static struct regmap *wm8350_get_regmap(struct device *dev) 1585 { 1586 struct wm8350 *wm8350 = dev_get_platdata(dev); 1587 1588 return wm8350->regmap; 1589 } 1590 1591 static struct snd_soc_codec_driver soc_codec_dev_wm8350 = { 1592 .probe = wm8350_codec_probe, 1593 .remove = wm8350_codec_remove, 1594 .get_regmap = wm8350_get_regmap, 1595 .set_bias_level = wm8350_set_bias_level, 1596 .suspend_bias_off = true, 1597 1598 .controls = wm8350_snd_controls, 1599 .num_controls = ARRAY_SIZE(wm8350_snd_controls), 1600 .dapm_widgets = wm8350_dapm_widgets, 1601 .num_dapm_widgets = ARRAY_SIZE(wm8350_dapm_widgets), 1602 .dapm_routes = wm8350_dapm_routes, 1603 .num_dapm_routes = ARRAY_SIZE(wm8350_dapm_routes), 1604 }; 1605 1606 static int wm8350_probe(struct platform_device *pdev) 1607 { 1608 return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350, 1609 &wm8350_dai, 1); 1610 } 1611 1612 static int wm8350_remove(struct platform_device *pdev) 1613 { 1614 snd_soc_unregister_codec(&pdev->dev); 1615 return 0; 1616 } 1617 1618 static struct platform_driver wm8350_codec_driver = { 1619 .driver = { 1620 .name = "wm8350-codec", 1621 }, 1622 .probe = wm8350_probe, 1623 .remove = wm8350_remove, 1624 }; 1625 1626 module_platform_driver(wm8350_codec_driver); 1627 1628 MODULE_DESCRIPTION("ASoC WM8350 driver"); 1629 MODULE_AUTHOR("Liam Girdwood"); 1630 MODULE_LICENSE("GPL"); 1631 MODULE_ALIAS("platform:wm8350-codec"); 1632