1/* 2 * wm8996.c - WM8996 audio codec interface 3 * 4 * Copyright 2011-2 Wolfson Microelectronics PLC. 5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 */ 12 13#include <linux/module.h> 14#include <linux/moduleparam.h> 15#include <linux/init.h> 16#include <linux/completion.h> 17#include <linux/delay.h> 18#include <linux/pm.h> 19#include <linux/gcd.h> 20#include <linux/gpio.h> 21#include <linux/i2c.h> 22#include <linux/regmap.h> 23#include <linux/regulator/consumer.h> 24#include <linux/slab.h> 25#include <linux/workqueue.h> 26#include <sound/core.h> 27#include <sound/jack.h> 28#include <sound/pcm.h> 29#include <sound/pcm_params.h> 30#include <sound/soc.h> 31#include <sound/initval.h> 32#include <sound/tlv.h> 33#include <trace/events/asoc.h> 34 35#include <sound/wm8996.h> 36#include "wm8996.h" 37 38#define WM8996_AIFS 2 39 40#define HPOUT1L 1 41#define HPOUT1R 2 42#define HPOUT2L 4 43#define HPOUT2R 8 44 45#define WM8996_NUM_SUPPLIES 3 46static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = { 47 "DBVDD", 48 "AVDD1", 49 "AVDD2", 50}; 51 52struct wm8996_priv { 53 struct device *dev; 54 struct regmap *regmap; 55 struct snd_soc_codec *codec; 56 57 int ldo1ena; 58 59 int sysclk; 60 int sysclk_src; 61 62 int fll_src; 63 int fll_fref; 64 int fll_fout; 65 66 struct completion fll_lock; 67 68 u16 dcs_pending; 69 struct completion dcs_done; 70 71 u16 hpout_ena; 72 u16 hpout_pending; 73 74 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES]; 75 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES]; 76 int bg_ena; 77 78 struct wm8996_pdata pdata; 79 80 int rx_rate[WM8996_AIFS]; 81 int bclk_rate[WM8996_AIFS]; 82 83 /* Platform dependant ReTune mobile configuration */ 84 int num_retune_mobile_texts; 85 const char **retune_mobile_texts; 86 int retune_mobile_cfg[2]; 87 struct soc_enum retune_mobile_enum; 88 89 struct snd_soc_jack *jack; 90 bool detecting; 91 bool jack_mic; 92 int jack_flips; 93 wm8996_polarity_fn polarity_cb; 94 95#ifdef CONFIG_GPIOLIB 96 struct gpio_chip gpio_chip; 97#endif 98}; 99 100/* We can't use the same notifier block for more than one supply and 101 * there's no way I can see to get from a callback to the caller 102 * except container_of(). 103 */ 104#define WM8996_REGULATOR_EVENT(n) \ 105static int wm8996_regulator_event_##n(struct notifier_block *nb, \ 106 unsigned long event, void *data) \ 107{ \ 108 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \ 109 disable_nb[n]); \ 110 if (event & REGULATOR_EVENT_DISABLE) { \ 111 regcache_mark_dirty(wm8996->regmap); \ 112 } \ 113 return 0; \ 114} 115 116WM8996_REGULATOR_EVENT(0) 117WM8996_REGULATOR_EVENT(1) 118WM8996_REGULATOR_EVENT(2) 119 120static const struct reg_default wm8996_reg[] = { 121 { WM8996_POWER_MANAGEMENT_1, 0x0 }, 122 { WM8996_POWER_MANAGEMENT_2, 0x0 }, 123 { WM8996_POWER_MANAGEMENT_3, 0x0 }, 124 { WM8996_POWER_MANAGEMENT_4, 0x0 }, 125 { WM8996_POWER_MANAGEMENT_5, 0x0 }, 126 { WM8996_POWER_MANAGEMENT_6, 0x0 }, 127 { WM8996_POWER_MANAGEMENT_7, 0x10 }, 128 { WM8996_POWER_MANAGEMENT_8, 0x0 }, 129 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 }, 130 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 }, 131 { WM8996_LINE_INPUT_CONTROL, 0x0 }, 132 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 }, 133 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 }, 134 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 }, 135 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 }, 136 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 }, 137 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 }, 138 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 }, 139 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 }, 140 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 }, 141 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 }, 142 { WM8996_MICBIAS_1, 0x39 }, 143 { WM8996_MICBIAS_2, 0x39 }, 144 { WM8996_LDO_1, 0x3 }, 145 { WM8996_LDO_2, 0x13 }, 146 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 }, 147 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 }, 148 { WM8996_HEADPHONE_DETECT_1, 0x20 }, 149 { WM8996_HEADPHONE_DETECT_2, 0x0 }, 150 { WM8996_MIC_DETECT_1, 0x7600 }, 151 { WM8996_MIC_DETECT_2, 0xbf }, 152 { WM8996_CHARGE_PUMP_1, 0x1f25 }, 153 { WM8996_CHARGE_PUMP_2, 0xab19 }, 154 { WM8996_DC_SERVO_1, 0x0 }, 155 { WM8996_DC_SERVO_3, 0x0 }, 156 { WM8996_DC_SERVO_5, 0x2a2a }, 157 { WM8996_DC_SERVO_6, 0x0 }, 158 { WM8996_DC_SERVO_7, 0x0 }, 159 { WM8996_ANALOGUE_HP_1, 0x0 }, 160 { WM8996_ANALOGUE_HP_2, 0x0 }, 161 { WM8996_CONTROL_INTERFACE_1, 0x8004 }, 162 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 }, 163 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 }, 164 { WM8996_AIF_CLOCKING_1, 0x0 }, 165 { WM8996_AIF_CLOCKING_2, 0x0 }, 166 { WM8996_CLOCKING_1, 0x10 }, 167 { WM8996_CLOCKING_2, 0x0 }, 168 { WM8996_AIF_RATE, 0x83 }, 169 { WM8996_FLL_CONTROL_1, 0x0 }, 170 { WM8996_FLL_CONTROL_2, 0x0 }, 171 { WM8996_FLL_CONTROL_3, 0x0 }, 172 { WM8996_FLL_CONTROL_4, 0x5dc0 }, 173 { WM8996_FLL_CONTROL_5, 0xc84 }, 174 { WM8996_FLL_EFS_1, 0x0 }, 175 { WM8996_FLL_EFS_2, 0x2 }, 176 { WM8996_AIF1_CONTROL, 0x0 }, 177 { WM8996_AIF1_BCLK, 0x0 }, 178 { WM8996_AIF1_TX_LRCLK_1, 0x80 }, 179 { WM8996_AIF1_TX_LRCLK_2, 0x8 }, 180 { WM8996_AIF1_RX_LRCLK_1, 0x80 }, 181 { WM8996_AIF1_RX_LRCLK_2, 0x0 }, 182 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 }, 183 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 }, 184 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 }, 185 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 }, 186 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 }, 187 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 }, 188 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 }, 189 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 }, 190 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 }, 191 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 }, 192 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 }, 193 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 }, 194 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 }, 195 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 }, 196 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 }, 197 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 }, 198 { WM8996_AIF1TX_TEST, 0x7 }, 199 { WM8996_AIF2_CONTROL, 0x0 }, 200 { WM8996_AIF2_BCLK, 0x0 }, 201 { WM8996_AIF2_TX_LRCLK_1, 0x80 }, 202 { WM8996_AIF2_TX_LRCLK_2, 0x8 }, 203 { WM8996_AIF2_RX_LRCLK_1, 0x80 }, 204 { WM8996_AIF2_RX_LRCLK_2, 0x0 }, 205 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 }, 206 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 }, 207 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 }, 208 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 }, 209 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 }, 210 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 }, 211 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 }, 212 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 }, 213 { WM8996_AIF2TX_TEST, 0x1 }, 214 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 }, 215 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 }, 216 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 }, 217 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 }, 218 { WM8996_DSP1_TX_FILTERS, 0x2000 }, 219 { WM8996_DSP1_RX_FILTERS_1, 0x200 }, 220 { WM8996_DSP1_RX_FILTERS_2, 0x10 }, 221 { WM8996_DSP1_DRC_1, 0x98 }, 222 { WM8996_DSP1_DRC_2, 0x845 }, 223 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 }, 224 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 }, 225 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca }, 226 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 }, 227 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 }, 228 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 }, 229 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 }, 230 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 }, 231 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 }, 232 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 }, 233 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 }, 234 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 }, 235 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 }, 236 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e }, 237 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 }, 238 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad }, 239 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 }, 240 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 }, 241 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 }, 242 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 }, 243 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 }, 244 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 }, 245 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 }, 246 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 }, 247 { WM8996_DSP2_TX_FILTERS, 0x2000 }, 248 { WM8996_DSP2_RX_FILTERS_1, 0x200 }, 249 { WM8996_DSP2_RX_FILTERS_2, 0x10 }, 250 { WM8996_DSP2_DRC_1, 0x98 }, 251 { WM8996_DSP2_DRC_2, 0x845 }, 252 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 }, 253 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 }, 254 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca }, 255 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 }, 256 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 }, 257 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 }, 258 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 }, 259 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 }, 260 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 }, 261 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 }, 262 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 }, 263 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 }, 264 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 }, 265 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e }, 266 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 }, 267 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad }, 268 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 }, 269 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 }, 270 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 }, 271 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 }, 272 { WM8996_DAC1_MIXER_VOLUMES, 0x0 }, 273 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 }, 274 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 }, 275 { WM8996_DAC2_MIXER_VOLUMES, 0x0 }, 276 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 }, 277 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 }, 278 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 }, 279 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 }, 280 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 }, 281 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 }, 282 { WM8996_DSP_TX_MIXER_SELECT, 0x0 }, 283 { WM8996_DAC_SOFTMUTE, 0x0 }, 284 { WM8996_OVERSAMPLING, 0xd }, 285 { WM8996_SIDETONE, 0x1040 }, 286 { WM8996_GPIO_1, 0xa101 }, 287 { WM8996_GPIO_2, 0xa101 }, 288 { WM8996_GPIO_3, 0xa101 }, 289 { WM8996_GPIO_4, 0xa101 }, 290 { WM8996_GPIO_5, 0xa101 }, 291 { WM8996_PULL_CONTROL_1, 0x0 }, 292 { WM8996_PULL_CONTROL_2, 0x140 }, 293 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f }, 294 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf }, 295 { WM8996_LEFT_PDM_SPEAKER, 0x0 }, 296 { WM8996_RIGHT_PDM_SPEAKER, 0x1 }, 297 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 }, 298 { WM8996_PDM_SPEAKER_VOLUME, 0x66 }, 299}; 300 301static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0); 302static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); 303static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); 304static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0); 305static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0); 306static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0); 307static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); 308static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1); 309 310static const char *sidetone_hpf_text[] = { 311 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz" 312}; 313 314static SOC_ENUM_SINGLE_DECL(sidetone_hpf, 315 WM8996_SIDETONE, 7, sidetone_hpf_text); 316 317static const char *hpf_mode_text[] = { 318 "HiFi", "Custom", "Voice" 319}; 320 321static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode, 322 WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text); 323 324static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode, 325 WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text); 326 327static const char *hpf_cutoff_text[] = { 328 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" 329}; 330 331static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff, 332 WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text); 333 334static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff, 335 WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text); 336 337static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block) 338{ 339 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 340 struct wm8996_pdata *pdata = &wm8996->pdata; 341 int base, best, best_val, save, i, cfg, iface; 342 343 if (!wm8996->num_retune_mobile_texts) 344 return; 345 346 switch (block) { 347 case 0: 348 base = WM8996_DSP1_RX_EQ_GAINS_1; 349 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) & 350 WM8996_DSP1RX_SRC) 351 iface = 1; 352 else 353 iface = 0; 354 break; 355 case 1: 356 base = WM8996_DSP1_RX_EQ_GAINS_2; 357 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) & 358 WM8996_DSP2RX_SRC) 359 iface = 1; 360 else 361 iface = 0; 362 break; 363 default: 364 return; 365 } 366 367 /* Find the version of the currently selected configuration 368 * with the nearest sample rate. */ 369 cfg = wm8996->retune_mobile_cfg[block]; 370 best = 0; 371 best_val = INT_MAX; 372 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { 373 if (strcmp(pdata->retune_mobile_cfgs[i].name, 374 wm8996->retune_mobile_texts[cfg]) == 0 && 375 abs(pdata->retune_mobile_cfgs[i].rate 376 - wm8996->rx_rate[iface]) < best_val) { 377 best = i; 378 best_val = abs(pdata->retune_mobile_cfgs[i].rate 379 - wm8996->rx_rate[iface]); 380 } 381 } 382 383 dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n", 384 block, 385 pdata->retune_mobile_cfgs[best].name, 386 pdata->retune_mobile_cfgs[best].rate, 387 wm8996->rx_rate[iface]); 388 389 /* The EQ will be disabled while reconfiguring it, remember the 390 * current configuration. 391 */ 392 save = snd_soc_read(codec, base); 393 save &= WM8996_DSP1RX_EQ_ENA; 394 395 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++) 396 snd_soc_update_bits(codec, base + i, 0xffff, 397 pdata->retune_mobile_cfgs[best].regs[i]); 398 399 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save); 400} 401 402/* Icky as hell but saves code duplication */ 403static int wm8996_get_retune_mobile_block(const char *name) 404{ 405 if (strcmp(name, "DSP1 EQ Mode") == 0) 406 return 0; 407 if (strcmp(name, "DSP2 EQ Mode") == 0) 408 return 1; 409 return -EINVAL; 410} 411 412static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, 413 struct snd_ctl_elem_value *ucontrol) 414{ 415 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 416 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 417 struct wm8996_pdata *pdata = &wm8996->pdata; 418 int block = wm8996_get_retune_mobile_block(kcontrol->id.name); 419 int value = ucontrol->value.integer.value[0]; 420 421 if (block < 0) 422 return block; 423 424 if (value >= pdata->num_retune_mobile_cfgs) 425 return -EINVAL; 426 427 wm8996->retune_mobile_cfg[block] = value; 428 429 wm8996_set_retune_mobile(codec, block); 430 431 return 0; 432} 433 434static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, 435 struct snd_ctl_elem_value *ucontrol) 436{ 437 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); 438 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 439 int block = wm8996_get_retune_mobile_block(kcontrol->id.name); 440 441 if (block < 0) 442 return block; 443 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block]; 444 445 return 0; 446} 447 448static const struct snd_kcontrol_new wm8996_snd_controls[] = { 449SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME, 450 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv), 451SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME, 452 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0), 453 454SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES, 455 0, 5, 24, 0, sidetone_tlv), 456SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES, 457 0, 5, 24, 0, sidetone_tlv), 458SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0), 459SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf), 460SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0), 461 462SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME, 463 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), 464SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME, 465 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), 466 467SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS, 468 13, 1, 0), 469SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0), 470SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode), 471SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff), 472 473SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS, 474 13, 1, 0), 475SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0), 476SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode), 477SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff), 478 479SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME, 480 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 481SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1), 482 483SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME, 484 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 485SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1), 486 487SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME, 488 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 489SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME, 490 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1), 491 492SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME, 493 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 494SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME, 495 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1), 496 497SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0), 498SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0), 499SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0), 500SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0), 501 502SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0), 503SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0), 504 505SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0), 506SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0), 507 508SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15, 509 0, threedstereo_tlv), 510SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15, 511 0, threedstereo_tlv), 512 513SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4, 514 8, 0, out_digital_tlv), 515SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4, 516 8, 0, out_digital_tlv), 517 518SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME, 519 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv), 520SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME, 521 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0), 522 523SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME, 524 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv), 525SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME, 526 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0), 527 528SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0, 529 spk_tlv), 530SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER, 531 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1), 532SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER, 533 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0), 534 535SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0), 536SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0), 537 538SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0), 539SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0), 540SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0), 541SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5, 542 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA | 543 WM8996_DSP1TXR_DRC_ENA), 544 545SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0), 546SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0), 547SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0), 548SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5, 549 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA | 550 WM8996_DSP2TXR_DRC_ENA), 551}; 552 553static const struct snd_kcontrol_new wm8996_eq_controls[] = { 554SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0, 555 eq_tlv), 556SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0, 557 eq_tlv), 558SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0, 559 eq_tlv), 560SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0, 561 eq_tlv), 562SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0, 563 eq_tlv), 564 565SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0, 566 eq_tlv), 567SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0, 568 eq_tlv), 569SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0, 570 eq_tlv), 571SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0, 572 eq_tlv), 573SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0, 574 eq_tlv), 575}; 576 577static void wm8996_bg_enable(struct snd_soc_codec *codec) 578{ 579 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 580 581 wm8996->bg_ena++; 582 if (wm8996->bg_ena == 1) { 583 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1, 584 WM8996_BG_ENA, WM8996_BG_ENA); 585 msleep(2); 586 } 587} 588 589static void wm8996_bg_disable(struct snd_soc_codec *codec) 590{ 591 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 592 593 wm8996->bg_ena--; 594 if (!wm8996->bg_ena) 595 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1, 596 WM8996_BG_ENA, 0); 597} 598 599static int bg_event(struct snd_soc_dapm_widget *w, 600 struct snd_kcontrol *kcontrol, int event) 601{ 602 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 603 int ret = 0; 604 605 switch (event) { 606 case SND_SOC_DAPM_PRE_PMU: 607 wm8996_bg_enable(codec); 608 break; 609 case SND_SOC_DAPM_POST_PMD: 610 wm8996_bg_disable(codec); 611 break; 612 default: 613 WARN(1, "Invalid event %d\n", event); 614 ret = -EINVAL; 615 } 616 617 return ret; 618} 619 620static int cp_event(struct snd_soc_dapm_widget *w, 621 struct snd_kcontrol *kcontrol, int event) 622{ 623 switch (event) { 624 case SND_SOC_DAPM_POST_PMU: 625 msleep(5); 626 break; 627 default: 628 WARN(1, "Invalid event %d\n", event); 629 } 630 631 return 0; 632} 633 634static int rmv_short_event(struct snd_soc_dapm_widget *w, 635 struct snd_kcontrol *kcontrol, int event) 636{ 637 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 638 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 639 640 /* Record which outputs we enabled */ 641 switch (event) { 642 case SND_SOC_DAPM_PRE_PMD: 643 wm8996->hpout_pending &= ~w->shift; 644 break; 645 case SND_SOC_DAPM_PRE_PMU: 646 wm8996->hpout_pending |= w->shift; 647 break; 648 default: 649 WARN(1, "Invalid event %d\n", event); 650 return -EINVAL; 651 } 652 653 return 0; 654} 655 656static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask) 657{ 658 struct i2c_client *i2c = to_i2c_client(codec->dev); 659 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 660 int ret; 661 unsigned long timeout = 200; 662 663 snd_soc_write(codec, WM8996_DC_SERVO_2, mask); 664 665 /* Use the interrupt if possible */ 666 do { 667 if (i2c->irq) { 668 timeout = wait_for_completion_timeout(&wm8996->dcs_done, 669 msecs_to_jiffies(200)); 670 if (timeout == 0) 671 dev_err(codec->dev, "DC servo timed out\n"); 672 673 } else { 674 msleep(1); 675 timeout--; 676 } 677 678 ret = snd_soc_read(codec, WM8996_DC_SERVO_2); 679 dev_dbg(codec->dev, "DC servo state: %x\n", ret); 680 } while (timeout && ret & mask); 681 682 if (timeout == 0) 683 dev_err(codec->dev, "DC servo timed out for %x\n", mask); 684 else 685 dev_dbg(codec->dev, "DC servo complete for %x\n", mask); 686} 687 688static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm, 689 enum snd_soc_dapm_type event, int subseq) 690{ 691 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); 692 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 693 u16 val, mask; 694 695 /* Complete any pending DC servo starts */ 696 if (wm8996->dcs_pending) { 697 dev_dbg(codec->dev, "Starting DC servo for %x\n", 698 wm8996->dcs_pending); 699 700 /* Trigger a startup sequence */ 701 wait_for_dc_servo(codec, wm8996->dcs_pending 702 << WM8996_DCS_TRIG_STARTUP_0_SHIFT); 703 704 wm8996->dcs_pending = 0; 705 } 706 707 if (wm8996->hpout_pending != wm8996->hpout_ena) { 708 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n", 709 wm8996->hpout_ena, wm8996->hpout_pending); 710 711 val = 0; 712 mask = 0; 713 if (wm8996->hpout_pending & HPOUT1L) { 714 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP; 715 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP; 716 } else { 717 mask |= WM8996_HPOUT1L_RMV_SHORT | 718 WM8996_HPOUT1L_OUTP | 719 WM8996_HPOUT1L_DLY; 720 } 721 722 if (wm8996->hpout_pending & HPOUT1R) { 723 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP; 724 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP; 725 } else { 726 mask |= WM8996_HPOUT1R_RMV_SHORT | 727 WM8996_HPOUT1R_OUTP | 728 WM8996_HPOUT1R_DLY; 729 } 730 731 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val); 732 733 val = 0; 734 mask = 0; 735 if (wm8996->hpout_pending & HPOUT2L) { 736 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP; 737 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP; 738 } else { 739 mask |= WM8996_HPOUT2L_RMV_SHORT | 740 WM8996_HPOUT2L_OUTP | 741 WM8996_HPOUT2L_DLY; 742 } 743 744 if (wm8996->hpout_pending & HPOUT2R) { 745 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP; 746 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP; 747 } else { 748 mask |= WM8996_HPOUT2R_RMV_SHORT | 749 WM8996_HPOUT2R_OUTP | 750 WM8996_HPOUT2R_DLY; 751 } 752 753 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val); 754 755 wm8996->hpout_ena = wm8996->hpout_pending; 756 } 757} 758 759static int dcs_start(struct snd_soc_dapm_widget *w, 760 struct snd_kcontrol *kcontrol, int event) 761{ 762 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); 763 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 764 765 switch (event) { 766 case SND_SOC_DAPM_POST_PMU: 767 wm8996->dcs_pending |= 1 << w->shift; 768 break; 769 default: 770 WARN(1, "Invalid event %d\n", event); 771 return -EINVAL; 772 } 773 774 return 0; 775} 776 777static const char *sidetone_text[] = { 778 "IN1", "IN2", 779}; 780 781static SOC_ENUM_SINGLE_DECL(left_sidetone_enum, 782 WM8996_SIDETONE, 0, sidetone_text); 783 784static const struct snd_kcontrol_new left_sidetone = 785 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum); 786 787static SOC_ENUM_SINGLE_DECL(right_sidetone_enum, 788 WM8996_SIDETONE, 1, sidetone_text); 789 790static const struct snd_kcontrol_new right_sidetone = 791 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum); 792 793static const char *spk_text[] = { 794 "DAC1L", "DAC1R", "DAC2L", "DAC2R" 795}; 796 797static SOC_ENUM_SINGLE_DECL(spkl_enum, 798 WM8996_LEFT_PDM_SPEAKER, 0, spk_text); 799 800static const struct snd_kcontrol_new spkl_mux = 801 SOC_DAPM_ENUM("SPKL", spkl_enum); 802 803static SOC_ENUM_SINGLE_DECL(spkr_enum, 804 WM8996_RIGHT_PDM_SPEAKER, 0, spk_text); 805 806static const struct snd_kcontrol_new spkr_mux = 807 SOC_DAPM_ENUM("SPKR", spkr_enum); 808 809static const char *dsp1rx_text[] = { 810 "AIF1", "AIF2" 811}; 812 813static SOC_ENUM_SINGLE_DECL(dsp1rx_enum, 814 WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text); 815 816static const struct snd_kcontrol_new dsp1rx = 817 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum); 818 819static const char *dsp2rx_text[] = { 820 "AIF2", "AIF1" 821}; 822 823static SOC_ENUM_SINGLE_DECL(dsp2rx_enum, 824 WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text); 825 826static const struct snd_kcontrol_new dsp2rx = 827 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum); 828 829static const char *aif2tx_text[] = { 830 "DSP2", "DSP1", "AIF1" 831}; 832 833static SOC_ENUM_SINGLE_DECL(aif2tx_enum, 834 WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text); 835 836static const struct snd_kcontrol_new aif2tx = 837 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum); 838 839static const char *inmux_text[] = { 840 "ADC", "DMIC1", "DMIC2" 841}; 842 843static SOC_ENUM_SINGLE_DECL(in1_enum, 844 WM8996_POWER_MANAGEMENT_7, 0, inmux_text); 845 846static const struct snd_kcontrol_new in1_mux = 847 SOC_DAPM_ENUM("IN1 Mux", in1_enum); 848 849static SOC_ENUM_SINGLE_DECL(in2_enum, 850 WM8996_POWER_MANAGEMENT_7, 4, inmux_text); 851 852static const struct snd_kcontrol_new in2_mux = 853 SOC_DAPM_ENUM("IN2 Mux", in2_enum); 854 855static const struct snd_kcontrol_new dac2r_mix[] = { 856SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 857 5, 1, 0), 858SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 859 4, 1, 0), 860SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0), 861SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0), 862}; 863 864static const struct snd_kcontrol_new dac2l_mix[] = { 865SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 866 5, 1, 0), 867SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 868 4, 1, 0), 869SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0), 870SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0), 871}; 872 873static const struct snd_kcontrol_new dac1r_mix[] = { 874SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 875 5, 1, 0), 876SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 877 4, 1, 0), 878SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0), 879SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0), 880}; 881 882static const struct snd_kcontrol_new dac1l_mix[] = { 883SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 884 5, 1, 0), 885SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 886 4, 1, 0), 887SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0), 888SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0), 889}; 890 891static const struct snd_kcontrol_new dsp1txl[] = { 892SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 893 1, 1, 0), 894SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 895 0, 1, 0), 896}; 897 898static const struct snd_kcontrol_new dsp1txr[] = { 899SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 900 1, 1, 0), 901SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 902 0, 1, 0), 903}; 904 905static const struct snd_kcontrol_new dsp2txl[] = { 906SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 907 1, 1, 0), 908SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 909 0, 1, 0), 910}; 911 912static const struct snd_kcontrol_new dsp2txr[] = { 913SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 914 1, 1, 0), 915SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 916 0, 1, 0), 917}; 918 919 920static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = { 921SND_SOC_DAPM_INPUT("IN1LN"), 922SND_SOC_DAPM_INPUT("IN1LP"), 923SND_SOC_DAPM_INPUT("IN1RN"), 924SND_SOC_DAPM_INPUT("IN1RP"), 925 926SND_SOC_DAPM_INPUT("IN2LN"), 927SND_SOC_DAPM_INPUT("IN2LP"), 928SND_SOC_DAPM_INPUT("IN2RN"), 929SND_SOC_DAPM_INPUT("IN2RP"), 930 931SND_SOC_DAPM_INPUT("DMIC1DAT"), 932SND_SOC_DAPM_INPUT("DMIC2DAT"), 933 934SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0), 935SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0), 936SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0), 937SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0), 938SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event, 939 SND_SOC_DAPM_POST_PMU), 940SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event, 941 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 942SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0), 943SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0), 944SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0), 945SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0), 946SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0), 947 948SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0), 949SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0), 950 951SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux), 952SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux), 953SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux), 954SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux), 955 956SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0), 957SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0), 958 959SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0), 960SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0), 961SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0), 962SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0), 963 964SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0), 965SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0), 966 967SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone), 968SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone), 969 970SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0), 971SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0), 972SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0), 973SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0), 974 975SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0, 976 dsp2txl, ARRAY_SIZE(dsp2txl)), 977SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0, 978 dsp2txr, ARRAY_SIZE(dsp2txr)), 979SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0, 980 dsp1txl, ARRAY_SIZE(dsp1txl)), 981SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0, 982 dsp1txr, ARRAY_SIZE(dsp1txr)), 983 984SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0, 985 dac2l_mix, ARRAY_SIZE(dac2l_mix)), 986SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0, 987 dac2r_mix, ARRAY_SIZE(dac2r_mix)), 988SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, 989 dac1l_mix, ARRAY_SIZE(dac1l_mix)), 990SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, 991 dac1r_mix, ARRAY_SIZE(dac1r_mix)), 992 993SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0), 994SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0), 995SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0), 996SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0), 997 998SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0), 999SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0), 1000 1001SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0), 1002SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0), 1003 1004SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0), 1005SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0), 1006SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0), 1007SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0), 1008SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0), 1009SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0), 1010 1011SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0), 1012SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0), 1013SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0), 1014SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0), 1015SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0), 1016SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0), 1017 1018/* We route as stereo pairs so define some dummy widgets to squash 1019 * things down for now. RXA = 0,1, RXB = 2,3 and so on */ 1020SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0), 1021SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0), 1022SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0), 1023SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0), 1024SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0), 1025 1026SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx), 1027SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx), 1028SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx), 1029 1030SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux), 1031SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux), 1032SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0), 1033SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0), 1034 1035SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0), 1036SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0), 1037SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start, 1038 SND_SOC_DAPM_POST_PMU), 1039SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0, 1040 rmv_short_event, 1041 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1042 1043SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0), 1044SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0), 1045SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start, 1046 SND_SOC_DAPM_POST_PMU), 1047SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0, 1048 rmv_short_event, 1049 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1050 1051SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0), 1052SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0), 1053SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start, 1054 SND_SOC_DAPM_POST_PMU), 1055SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0, 1056 rmv_short_event, 1057 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1058 1059SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0), 1060SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0), 1061SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start, 1062 SND_SOC_DAPM_POST_PMU), 1063SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0, 1064 rmv_short_event, 1065 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1066 1067SND_SOC_DAPM_OUTPUT("HPOUT1L"), 1068SND_SOC_DAPM_OUTPUT("HPOUT1R"), 1069SND_SOC_DAPM_OUTPUT("HPOUT2L"), 1070SND_SOC_DAPM_OUTPUT("HPOUT2R"), 1071SND_SOC_DAPM_OUTPUT("SPKDAT"), 1072}; 1073 1074static const struct snd_soc_dapm_route wm8996_dapm_routes[] = { 1075 { "AIFCLK", NULL, "SYSCLK" }, 1076 { "SYSDSPCLK", NULL, "SYSCLK" }, 1077 { "Charge Pump", NULL, "SYSCLK" }, 1078 { "Charge Pump", NULL, "CPVDD" }, 1079 1080 { "MICB1", NULL, "LDO2" }, 1081 { "MICB1", NULL, "MICB1 Audio" }, 1082 { "MICB1", NULL, "Bandgap" }, 1083 { "MICB2", NULL, "LDO2" }, 1084 { "MICB2", NULL, "MICB2 Audio" }, 1085 { "MICB2", NULL, "Bandgap" }, 1086 1087 { "AIF1RX0", NULL, "AIF1 Playback" }, 1088 { "AIF1RX1", NULL, "AIF1 Playback" }, 1089 { "AIF1RX2", NULL, "AIF1 Playback" }, 1090 { "AIF1RX3", NULL, "AIF1 Playback" }, 1091 { "AIF1RX4", NULL, "AIF1 Playback" }, 1092 { "AIF1RX5", NULL, "AIF1 Playback" }, 1093 1094 { "AIF2RX0", NULL, "AIF2 Playback" }, 1095 { "AIF2RX1", NULL, "AIF2 Playback" }, 1096 1097 { "AIF1 Capture", NULL, "AIF1TX0" }, 1098 { "AIF1 Capture", NULL, "AIF1TX1" }, 1099 { "AIF1 Capture", NULL, "AIF1TX2" }, 1100 { "AIF1 Capture", NULL, "AIF1TX3" }, 1101 { "AIF1 Capture", NULL, "AIF1TX4" }, 1102 { "AIF1 Capture", NULL, "AIF1TX5" }, 1103 1104 { "AIF2 Capture", NULL, "AIF2TX0" }, 1105 { "AIF2 Capture", NULL, "AIF2TX1" }, 1106 1107 { "IN1L PGA", NULL, "IN2LN" }, 1108 { "IN1L PGA", NULL, "IN2LP" }, 1109 { "IN1L PGA", NULL, "IN1LN" }, 1110 { "IN1L PGA", NULL, "IN1LP" }, 1111 { "IN1L PGA", NULL, "Bandgap" }, 1112 1113 { "IN1R PGA", NULL, "IN2RN" }, 1114 { "IN1R PGA", NULL, "IN2RP" }, 1115 { "IN1R PGA", NULL, "IN1RN" }, 1116 { "IN1R PGA", NULL, "IN1RP" }, 1117 { "IN1R PGA", NULL, "Bandgap" }, 1118 1119 { "ADCL", NULL, "IN1L PGA" }, 1120 1121 { "ADCR", NULL, "IN1R PGA" }, 1122 1123 { "DMIC1L", NULL, "DMIC1DAT" }, 1124 { "DMIC1R", NULL, "DMIC1DAT" }, 1125 { "DMIC2L", NULL, "DMIC2DAT" }, 1126 { "DMIC2R", NULL, "DMIC2DAT" }, 1127 1128 { "DMIC2L", NULL, "DMIC2" }, 1129 { "DMIC2R", NULL, "DMIC2" }, 1130 { "DMIC1L", NULL, "DMIC1" }, 1131 { "DMIC1R", NULL, "DMIC1" }, 1132 1133 { "IN1L Mux", "ADC", "ADCL" }, 1134 { "IN1L Mux", "DMIC1", "DMIC1L" }, 1135 { "IN1L Mux", "DMIC2", "DMIC2L" }, 1136 1137 { "IN1R Mux", "ADC", "ADCR" }, 1138 { "IN1R Mux", "DMIC1", "DMIC1R" }, 1139 { "IN1R Mux", "DMIC2", "DMIC2R" }, 1140 1141 { "IN2L Mux", "ADC", "ADCL" }, 1142 { "IN2L Mux", "DMIC1", "DMIC1L" }, 1143 { "IN2L Mux", "DMIC2", "DMIC2L" }, 1144 1145 { "IN2R Mux", "ADC", "ADCR" }, 1146 { "IN2R Mux", "DMIC1", "DMIC1R" }, 1147 { "IN2R Mux", "DMIC2", "DMIC2R" }, 1148 1149 { "Left Sidetone", "IN1", "IN1L Mux" }, 1150 { "Left Sidetone", "IN2", "IN2L Mux" }, 1151 1152 { "Right Sidetone", "IN1", "IN1R Mux" }, 1153 { "Right Sidetone", "IN2", "IN2R Mux" }, 1154 1155 { "DSP1TXL", "IN1 Switch", "IN1L Mux" }, 1156 { "DSP1TXR", "IN1 Switch", "IN1R Mux" }, 1157 1158 { "DSP2TXL", "IN1 Switch", "IN2L Mux" }, 1159 { "DSP2TXR", "IN1 Switch", "IN2R Mux" }, 1160 1161 { "AIF1TX0", NULL, "DSP1TXL" }, 1162 { "AIF1TX1", NULL, "DSP1TXR" }, 1163 { "AIF1TX2", NULL, "DSP2TXL" }, 1164 { "AIF1TX3", NULL, "DSP2TXR" }, 1165 { "AIF1TX4", NULL, "AIF2RX0" }, 1166 { "AIF1TX5", NULL, "AIF2RX1" }, 1167 1168 { "AIF1RX0", NULL, "AIFCLK" }, 1169 { "AIF1RX1", NULL, "AIFCLK" }, 1170 { "AIF1RX2", NULL, "AIFCLK" }, 1171 { "AIF1RX3", NULL, "AIFCLK" }, 1172 { "AIF1RX4", NULL, "AIFCLK" }, 1173 { "AIF1RX5", NULL, "AIFCLK" }, 1174 1175 { "AIF2RX0", NULL, "AIFCLK" }, 1176 { "AIF2RX1", NULL, "AIFCLK" }, 1177 1178 { "AIF1TX0", NULL, "AIFCLK" }, 1179 { "AIF1TX1", NULL, "AIFCLK" }, 1180 { "AIF1TX2", NULL, "AIFCLK" }, 1181 { "AIF1TX3", NULL, "AIFCLK" }, 1182 { "AIF1TX4", NULL, "AIFCLK" }, 1183 { "AIF1TX5", NULL, "AIFCLK" }, 1184 1185 { "AIF2TX0", NULL, "AIFCLK" }, 1186 { "AIF2TX1", NULL, "AIFCLK" }, 1187 1188 { "DSP1RXL", NULL, "SYSDSPCLK" }, 1189 { "DSP1RXR", NULL, "SYSDSPCLK" }, 1190 { "DSP2RXL", NULL, "SYSDSPCLK" }, 1191 { "DSP2RXR", NULL, "SYSDSPCLK" }, 1192 { "DSP1TXL", NULL, "SYSDSPCLK" }, 1193 { "DSP1TXR", NULL, "SYSDSPCLK" }, 1194 { "DSP2TXL", NULL, "SYSDSPCLK" }, 1195 { "DSP2TXR", NULL, "SYSDSPCLK" }, 1196 1197 { "AIF1RXA", NULL, "AIF1RX0" }, 1198 { "AIF1RXA", NULL, "AIF1RX1" }, 1199 { "AIF1RXB", NULL, "AIF1RX2" }, 1200 { "AIF1RXB", NULL, "AIF1RX3" }, 1201 { "AIF1RXC", NULL, "AIF1RX4" }, 1202 { "AIF1RXC", NULL, "AIF1RX5" }, 1203 1204 { "AIF2RX", NULL, "AIF2RX0" }, 1205 { "AIF2RX", NULL, "AIF2RX1" }, 1206 1207 { "AIF2TX", "DSP2", "DSP2TX" }, 1208 { "AIF2TX", "DSP1", "DSP1RX" }, 1209 { "AIF2TX", "AIF1", "AIF1RXC" }, 1210 1211 { "DSP1RXL", NULL, "DSP1RX" }, 1212 { "DSP1RXR", NULL, "DSP1RX" }, 1213 { "DSP2RXL", NULL, "DSP2RX" }, 1214 { "DSP2RXR", NULL, "DSP2RX" }, 1215 1216 { "DSP2TX", NULL, "DSP2TXL" }, 1217 { "DSP2TX", NULL, "DSP2TXR" }, 1218 1219 { "DSP1RX", "AIF1", "AIF1RXA" }, 1220 { "DSP1RX", "AIF2", "AIF2RX" }, 1221 1222 { "DSP2RX", "AIF1", "AIF1RXB" }, 1223 { "DSP2RX", "AIF2", "AIF2RX" }, 1224 1225 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" }, 1226 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" }, 1227 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1228 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1229 1230 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" }, 1231 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" }, 1232 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1233 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1234 1235 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" }, 1236 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" }, 1237 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1238 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1239 1240 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" }, 1241 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" }, 1242 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1243 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1244 1245 { "DAC1L", NULL, "DAC1L Mixer" }, 1246 { "DAC1R", NULL, "DAC1R Mixer" }, 1247 { "DAC2L", NULL, "DAC2L Mixer" }, 1248 { "DAC2R", NULL, "DAC2R Mixer" }, 1249 1250 { "HPOUT2L PGA", NULL, "Charge Pump" }, 1251 { "HPOUT2L PGA", NULL, "Bandgap" }, 1252 { "HPOUT2L PGA", NULL, "DAC2L" }, 1253 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" }, 1254 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" }, 1255 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" }, 1256 1257 { "HPOUT2R PGA", NULL, "Charge Pump" }, 1258 { "HPOUT2R PGA", NULL, "Bandgap" }, 1259 { "HPOUT2R PGA", NULL, "DAC2R" }, 1260 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" }, 1261 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" }, 1262 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" }, 1263 1264 { "HPOUT1L PGA", NULL, "Charge Pump" }, 1265 { "HPOUT1L PGA", NULL, "Bandgap" }, 1266 { "HPOUT1L PGA", NULL, "DAC1L" }, 1267 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" }, 1268 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" }, 1269 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" }, 1270 1271 { "HPOUT1R PGA", NULL, "Charge Pump" }, 1272 { "HPOUT1R PGA", NULL, "Bandgap" }, 1273 { "HPOUT1R PGA", NULL, "DAC1R" }, 1274 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" }, 1275 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" }, 1276 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" }, 1277 1278 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" }, 1279 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" }, 1280 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" }, 1281 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" }, 1282 1283 { "SPKL", "DAC1L", "DAC1L" }, 1284 { "SPKL", "DAC1R", "DAC1R" }, 1285 { "SPKL", "DAC2L", "DAC2L" }, 1286 { "SPKL", "DAC2R", "DAC2R" }, 1287 1288 { "SPKR", "DAC1L", "DAC1L" }, 1289 { "SPKR", "DAC1R", "DAC1R" }, 1290 { "SPKR", "DAC2L", "DAC2L" }, 1291 { "SPKR", "DAC2R", "DAC2R" }, 1292 1293 { "SPKL PGA", NULL, "SPKL" }, 1294 { "SPKR PGA", NULL, "SPKR" }, 1295 1296 { "SPKDAT", NULL, "SPKL PGA" }, 1297 { "SPKDAT", NULL, "SPKR PGA" }, 1298}; 1299 1300static bool wm8996_readable_register(struct device *dev, unsigned int reg) 1301{ 1302 /* Due to the sparseness of the register map the compiler 1303 * output from an explicit switch statement ends up being much 1304 * more efficient than a table. 1305 */ 1306 switch (reg) { 1307 case WM8996_SOFTWARE_RESET: 1308 case WM8996_POWER_MANAGEMENT_1: 1309 case WM8996_POWER_MANAGEMENT_2: 1310 case WM8996_POWER_MANAGEMENT_3: 1311 case WM8996_POWER_MANAGEMENT_4: 1312 case WM8996_POWER_MANAGEMENT_5: 1313 case WM8996_POWER_MANAGEMENT_6: 1314 case WM8996_POWER_MANAGEMENT_7: 1315 case WM8996_POWER_MANAGEMENT_8: 1316 case WM8996_LEFT_LINE_INPUT_VOLUME: 1317 case WM8996_RIGHT_LINE_INPUT_VOLUME: 1318 case WM8996_LINE_INPUT_CONTROL: 1319 case WM8996_DAC1_HPOUT1_VOLUME: 1320 case WM8996_DAC2_HPOUT2_VOLUME: 1321 case WM8996_DAC1_LEFT_VOLUME: 1322 case WM8996_DAC1_RIGHT_VOLUME: 1323 case WM8996_DAC2_LEFT_VOLUME: 1324 case WM8996_DAC2_RIGHT_VOLUME: 1325 case WM8996_OUTPUT1_LEFT_VOLUME: 1326 case WM8996_OUTPUT1_RIGHT_VOLUME: 1327 case WM8996_OUTPUT2_LEFT_VOLUME: 1328 case WM8996_OUTPUT2_RIGHT_VOLUME: 1329 case WM8996_MICBIAS_1: 1330 case WM8996_MICBIAS_2: 1331 case WM8996_LDO_1: 1332 case WM8996_LDO_2: 1333 case WM8996_ACCESSORY_DETECT_MODE_1: 1334 case WM8996_ACCESSORY_DETECT_MODE_2: 1335 case WM8996_HEADPHONE_DETECT_1: 1336 case WM8996_HEADPHONE_DETECT_2: 1337 case WM8996_MIC_DETECT_1: 1338 case WM8996_MIC_DETECT_2: 1339 case WM8996_MIC_DETECT_3: 1340 case WM8996_CHARGE_PUMP_1: 1341 case WM8996_CHARGE_PUMP_2: 1342 case WM8996_DC_SERVO_1: 1343 case WM8996_DC_SERVO_2: 1344 case WM8996_DC_SERVO_3: 1345 case WM8996_DC_SERVO_5: 1346 case WM8996_DC_SERVO_6: 1347 case WM8996_DC_SERVO_7: 1348 case WM8996_DC_SERVO_READBACK_0: 1349 case WM8996_ANALOGUE_HP_1: 1350 case WM8996_ANALOGUE_HP_2: 1351 case WM8996_CHIP_REVISION: 1352 case WM8996_CONTROL_INTERFACE_1: 1353 case WM8996_WRITE_SEQUENCER_CTRL_1: 1354 case WM8996_WRITE_SEQUENCER_CTRL_2: 1355 case WM8996_AIF_CLOCKING_1: 1356 case WM8996_AIF_CLOCKING_2: 1357 case WM8996_CLOCKING_1: 1358 case WM8996_CLOCKING_2: 1359 case WM8996_AIF_RATE: 1360 case WM8996_FLL_CONTROL_1: 1361 case WM8996_FLL_CONTROL_2: 1362 case WM8996_FLL_CONTROL_3: 1363 case WM8996_FLL_CONTROL_4: 1364 case WM8996_FLL_CONTROL_5: 1365 case WM8996_FLL_CONTROL_6: 1366 case WM8996_FLL_EFS_1: 1367 case WM8996_FLL_EFS_2: 1368 case WM8996_AIF1_CONTROL: 1369 case WM8996_AIF1_BCLK: 1370 case WM8996_AIF1_TX_LRCLK_1: 1371 case WM8996_AIF1_TX_LRCLK_2: 1372 case WM8996_AIF1_RX_LRCLK_1: 1373 case WM8996_AIF1_RX_LRCLK_2: 1374 case WM8996_AIF1TX_DATA_CONFIGURATION_1: 1375 case WM8996_AIF1TX_DATA_CONFIGURATION_2: 1376 case WM8996_AIF1RX_DATA_CONFIGURATION: 1377 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION: 1378 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION: 1379 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION: 1380 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION: 1381 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION: 1382 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION: 1383 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION: 1384 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION: 1385 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION: 1386 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION: 1387 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION: 1388 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION: 1389 case WM8996_AIF1RX_MONO_CONFIGURATION: 1390 case WM8996_AIF1TX_TEST: 1391 case WM8996_AIF2_CONTROL: 1392 case WM8996_AIF2_BCLK: 1393 case WM8996_AIF2_TX_LRCLK_1: 1394 case WM8996_AIF2_TX_LRCLK_2: 1395 case WM8996_AIF2_RX_LRCLK_1: 1396 case WM8996_AIF2_RX_LRCLK_2: 1397 case WM8996_AIF2TX_DATA_CONFIGURATION_1: 1398 case WM8996_AIF2TX_DATA_CONFIGURATION_2: 1399 case WM8996_AIF2RX_DATA_CONFIGURATION: 1400 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION: 1401 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION: 1402 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION: 1403 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION: 1404 case WM8996_AIF2RX_MONO_CONFIGURATION: 1405 case WM8996_AIF2TX_TEST: 1406 case WM8996_DSP1_TX_LEFT_VOLUME: 1407 case WM8996_DSP1_TX_RIGHT_VOLUME: 1408 case WM8996_DSP1_RX_LEFT_VOLUME: 1409 case WM8996_DSP1_RX_RIGHT_VOLUME: 1410 case WM8996_DSP1_TX_FILTERS: 1411 case WM8996_DSP1_RX_FILTERS_1: 1412 case WM8996_DSP1_RX_FILTERS_2: 1413 case WM8996_DSP1_DRC_1: 1414 case WM8996_DSP1_DRC_2: 1415 case WM8996_DSP1_DRC_3: 1416 case WM8996_DSP1_DRC_4: 1417 case WM8996_DSP1_DRC_5: 1418 case WM8996_DSP1_RX_EQ_GAINS_1: 1419 case WM8996_DSP1_RX_EQ_GAINS_2: 1420 case WM8996_DSP1_RX_EQ_BAND_1_A: 1421 case WM8996_DSP1_RX_EQ_BAND_1_B: 1422 case WM8996_DSP1_RX_EQ_BAND_1_PG: 1423 case WM8996_DSP1_RX_EQ_BAND_2_A: 1424 case WM8996_DSP1_RX_EQ_BAND_2_B: 1425 case WM8996_DSP1_RX_EQ_BAND_2_C: 1426 case WM8996_DSP1_RX_EQ_BAND_2_PG: 1427 case WM8996_DSP1_RX_EQ_BAND_3_A: 1428 case WM8996_DSP1_RX_EQ_BAND_3_B: 1429 case WM8996_DSP1_RX_EQ_BAND_3_C: 1430 case WM8996_DSP1_RX_EQ_BAND_3_PG: 1431 case WM8996_DSP1_RX_EQ_BAND_4_A: 1432 case WM8996_DSP1_RX_EQ_BAND_4_B: 1433 case WM8996_DSP1_RX_EQ_BAND_4_C: 1434 case WM8996_DSP1_RX_EQ_BAND_4_PG: 1435 case WM8996_DSP1_RX_EQ_BAND_5_A: 1436 case WM8996_DSP1_RX_EQ_BAND_5_B: 1437 case WM8996_DSP1_RX_EQ_BAND_5_PG: 1438 case WM8996_DSP2_TX_LEFT_VOLUME: 1439 case WM8996_DSP2_TX_RIGHT_VOLUME: 1440 case WM8996_DSP2_RX_LEFT_VOLUME: 1441 case WM8996_DSP2_RX_RIGHT_VOLUME: 1442 case WM8996_DSP2_TX_FILTERS: 1443 case WM8996_DSP2_RX_FILTERS_1: 1444 case WM8996_DSP2_RX_FILTERS_2: 1445 case WM8996_DSP2_DRC_1: 1446 case WM8996_DSP2_DRC_2: 1447 case WM8996_DSP2_DRC_3: 1448 case WM8996_DSP2_DRC_4: 1449 case WM8996_DSP2_DRC_5: 1450 case WM8996_DSP2_RX_EQ_GAINS_1: 1451 case WM8996_DSP2_RX_EQ_GAINS_2: 1452 case WM8996_DSP2_RX_EQ_BAND_1_A: 1453 case WM8996_DSP2_RX_EQ_BAND_1_B: 1454 case WM8996_DSP2_RX_EQ_BAND_1_PG: 1455 case WM8996_DSP2_RX_EQ_BAND_2_A: 1456 case WM8996_DSP2_RX_EQ_BAND_2_B: 1457 case WM8996_DSP2_RX_EQ_BAND_2_C: 1458 case WM8996_DSP2_RX_EQ_BAND_2_PG: 1459 case WM8996_DSP2_RX_EQ_BAND_3_A: 1460 case WM8996_DSP2_RX_EQ_BAND_3_B: 1461 case WM8996_DSP2_RX_EQ_BAND_3_C: 1462 case WM8996_DSP2_RX_EQ_BAND_3_PG: 1463 case WM8996_DSP2_RX_EQ_BAND_4_A: 1464 case WM8996_DSP2_RX_EQ_BAND_4_B: 1465 case WM8996_DSP2_RX_EQ_BAND_4_C: 1466 case WM8996_DSP2_RX_EQ_BAND_4_PG: 1467 case WM8996_DSP2_RX_EQ_BAND_5_A: 1468 case WM8996_DSP2_RX_EQ_BAND_5_B: 1469 case WM8996_DSP2_RX_EQ_BAND_5_PG: 1470 case WM8996_DAC1_MIXER_VOLUMES: 1471 case WM8996_DAC1_LEFT_MIXER_ROUTING: 1472 case WM8996_DAC1_RIGHT_MIXER_ROUTING: 1473 case WM8996_DAC2_MIXER_VOLUMES: 1474 case WM8996_DAC2_LEFT_MIXER_ROUTING: 1475 case WM8996_DAC2_RIGHT_MIXER_ROUTING: 1476 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING: 1477 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING: 1478 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING: 1479 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING: 1480 case WM8996_DSP_TX_MIXER_SELECT: 1481 case WM8996_DAC_SOFTMUTE: 1482 case WM8996_OVERSAMPLING: 1483 case WM8996_SIDETONE: 1484 case WM8996_GPIO_1: 1485 case WM8996_GPIO_2: 1486 case WM8996_GPIO_3: 1487 case WM8996_GPIO_4: 1488 case WM8996_GPIO_5: 1489 case WM8996_PULL_CONTROL_1: 1490 case WM8996_PULL_CONTROL_2: 1491 case WM8996_INTERRUPT_STATUS_1: 1492 case WM8996_INTERRUPT_STATUS_2: 1493 case WM8996_INTERRUPT_RAW_STATUS_2: 1494 case WM8996_INTERRUPT_STATUS_1_MASK: 1495 case WM8996_INTERRUPT_STATUS_2_MASK: 1496 case WM8996_INTERRUPT_CONTROL: 1497 case WM8996_LEFT_PDM_SPEAKER: 1498 case WM8996_RIGHT_PDM_SPEAKER: 1499 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE: 1500 case WM8996_PDM_SPEAKER_VOLUME: 1501 return 1; 1502 default: 1503 return 0; 1504 } 1505} 1506 1507static bool wm8996_volatile_register(struct device *dev, unsigned int reg) 1508{ 1509 switch (reg) { 1510 case WM8996_SOFTWARE_RESET: 1511 case WM8996_CHIP_REVISION: 1512 case WM8996_LDO_1: 1513 case WM8996_LDO_2: 1514 case WM8996_INTERRUPT_STATUS_1: 1515 case WM8996_INTERRUPT_STATUS_2: 1516 case WM8996_INTERRUPT_RAW_STATUS_2: 1517 case WM8996_DC_SERVO_READBACK_0: 1518 case WM8996_DC_SERVO_2: 1519 case WM8996_DC_SERVO_6: 1520 case WM8996_DC_SERVO_7: 1521 case WM8996_FLL_CONTROL_6: 1522 case WM8996_MIC_DETECT_3: 1523 case WM8996_HEADPHONE_DETECT_1: 1524 case WM8996_HEADPHONE_DETECT_2: 1525 return 1; 1526 default: 1527 return 0; 1528 } 1529} 1530 1531static const int bclk_divs[] = { 1532 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96 1533}; 1534 1535static void wm8996_update_bclk(struct snd_soc_codec *codec) 1536{ 1537 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 1538 int aif, best, cur_val, bclk_rate, bclk_reg, i; 1539 1540 /* Don't bother if we're in a low frequency idle mode that 1541 * can't support audio. 1542 */ 1543 if (wm8996->sysclk < 64000) 1544 return; 1545 1546 for (aif = 0; aif < WM8996_AIFS; aif++) { 1547 switch (aif) { 1548 case 0: 1549 bclk_reg = WM8996_AIF1_BCLK; 1550 break; 1551 case 1: 1552 bclk_reg = WM8996_AIF2_BCLK; 1553 break; 1554 } 1555 1556 bclk_rate = wm8996->bclk_rate[aif]; 1557 1558 /* Pick a divisor for BCLK as close as we can get to ideal */ 1559 best = 0; 1560 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { 1561 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate; 1562 if (cur_val < 0) /* BCLK table is sorted */ 1563 break; 1564 best = i; 1565 } 1566 bclk_rate = wm8996->sysclk / bclk_divs[best]; 1567 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n", 1568 bclk_divs[best], bclk_rate); 1569 1570 snd_soc_update_bits(codec, bclk_reg, 1571 WM8996_AIF1_BCLK_DIV_MASK, best); 1572 } 1573} 1574 1575static int wm8996_set_bias_level(struct snd_soc_codec *codec, 1576 enum snd_soc_bias_level level) 1577{ 1578 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 1579 int ret; 1580 1581 switch (level) { 1582 case SND_SOC_BIAS_ON: 1583 break; 1584 case SND_SOC_BIAS_PREPARE: 1585 /* Put the MICBIASes into regulating mode */ 1586 snd_soc_update_bits(codec, WM8996_MICBIAS_1, 1587 WM8996_MICB1_MODE, 0); 1588 snd_soc_update_bits(codec, WM8996_MICBIAS_2, 1589 WM8996_MICB2_MODE, 0); 1590 break; 1591 1592 case SND_SOC_BIAS_STANDBY: 1593 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { 1594 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies), 1595 wm8996->supplies); 1596 if (ret != 0) { 1597 dev_err(codec->dev, 1598 "Failed to enable supplies: %d\n", 1599 ret); 1600 return ret; 1601 } 1602 1603 if (wm8996->pdata.ldo_ena >= 0) { 1604 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1605 1); 1606 msleep(5); 1607 } 1608 1609 regcache_cache_only(wm8996->regmap, false); 1610 regcache_sync(wm8996->regmap); 1611 } 1612 1613 /* Bypass the MICBIASes for lowest power */ 1614 snd_soc_update_bits(codec, WM8996_MICBIAS_1, 1615 WM8996_MICB1_MODE, WM8996_MICB1_MODE); 1616 snd_soc_update_bits(codec, WM8996_MICBIAS_2, 1617 WM8996_MICB2_MODE, WM8996_MICB2_MODE); 1618 break; 1619 1620 case SND_SOC_BIAS_OFF: 1621 regcache_cache_only(wm8996->regmap, true); 1622 if (wm8996->pdata.ldo_ena >= 0) { 1623 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 1624 regcache_cache_only(wm8996->regmap, true); 1625 } 1626 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), 1627 wm8996->supplies); 1628 break; 1629 } 1630 1631 return 0; 1632} 1633 1634static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) 1635{ 1636 struct snd_soc_codec *codec = dai->codec; 1637 int aifctrl = 0; 1638 int bclk = 0; 1639 int lrclk_tx = 0; 1640 int lrclk_rx = 0; 1641 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg; 1642 1643 switch (dai->id) { 1644 case 0: 1645 aifctrl_reg = WM8996_AIF1_CONTROL; 1646 bclk_reg = WM8996_AIF1_BCLK; 1647 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2; 1648 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2; 1649 break; 1650 case 1: 1651 aifctrl_reg = WM8996_AIF2_CONTROL; 1652 bclk_reg = WM8996_AIF2_BCLK; 1653 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2; 1654 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2; 1655 break; 1656 default: 1657 WARN(1, "Invalid dai id %d\n", dai->id); 1658 return -EINVAL; 1659 } 1660 1661 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1662 case SND_SOC_DAIFMT_NB_NF: 1663 break; 1664 case SND_SOC_DAIFMT_IB_NF: 1665 bclk |= WM8996_AIF1_BCLK_INV; 1666 break; 1667 case SND_SOC_DAIFMT_NB_IF: 1668 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV; 1669 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV; 1670 break; 1671 case SND_SOC_DAIFMT_IB_IF: 1672 bclk |= WM8996_AIF1_BCLK_INV; 1673 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV; 1674 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV; 1675 break; 1676 } 1677 1678 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1679 case SND_SOC_DAIFMT_CBS_CFS: 1680 break; 1681 case SND_SOC_DAIFMT_CBS_CFM: 1682 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR; 1683 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR; 1684 break; 1685 case SND_SOC_DAIFMT_CBM_CFS: 1686 bclk |= WM8996_AIF1_BCLK_MSTR; 1687 break; 1688 case SND_SOC_DAIFMT_CBM_CFM: 1689 bclk |= WM8996_AIF1_BCLK_MSTR; 1690 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR; 1691 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR; 1692 break; 1693 default: 1694 return -EINVAL; 1695 } 1696 1697 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1698 case SND_SOC_DAIFMT_DSP_A: 1699 break; 1700 case SND_SOC_DAIFMT_DSP_B: 1701 aifctrl |= 1; 1702 break; 1703 case SND_SOC_DAIFMT_I2S: 1704 aifctrl |= 2; 1705 break; 1706 case SND_SOC_DAIFMT_LEFT_J: 1707 aifctrl |= 3; 1708 break; 1709 default: 1710 return -EINVAL; 1711 } 1712 1713 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl); 1714 snd_soc_update_bits(codec, bclk_reg, 1715 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR, 1716 bclk); 1717 snd_soc_update_bits(codec, lrclk_tx_reg, 1718 WM8996_AIF1TX_LRCLK_INV | 1719 WM8996_AIF1TX_LRCLK_MSTR, 1720 lrclk_tx); 1721 snd_soc_update_bits(codec, lrclk_rx_reg, 1722 WM8996_AIF1RX_LRCLK_INV | 1723 WM8996_AIF1RX_LRCLK_MSTR, 1724 lrclk_rx); 1725 1726 return 0; 1727} 1728 1729static const int dsp_divs[] = { 1730 48000, 32000, 16000, 8000 1731}; 1732 1733static int wm8996_hw_params(struct snd_pcm_substream *substream, 1734 struct snd_pcm_hw_params *params, 1735 struct snd_soc_dai *dai) 1736{ 1737 struct snd_soc_codec *codec = dai->codec; 1738 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 1739 int bits, i, bclk_rate, best; 1740 int aifdata = 0; 1741 int lrclk = 0; 1742 int dsp = 0; 1743 int aifdata_reg, lrclk_reg, dsp_shift; 1744 1745 switch (dai->id) { 1746 case 0: 1747 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || 1748 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) { 1749 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION; 1750 lrclk_reg = WM8996_AIF1_RX_LRCLK_1; 1751 } else { 1752 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1; 1753 lrclk_reg = WM8996_AIF1_TX_LRCLK_1; 1754 } 1755 dsp_shift = 0; 1756 break; 1757 case 1: 1758 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || 1759 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) { 1760 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION; 1761 lrclk_reg = WM8996_AIF2_RX_LRCLK_1; 1762 } else { 1763 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1; 1764 lrclk_reg = WM8996_AIF2_TX_LRCLK_1; 1765 } 1766 dsp_shift = WM8996_DSP2_DIV_SHIFT; 1767 break; 1768 default: 1769 WARN(1, "Invalid dai id %d\n", dai->id); 1770 return -EINVAL; 1771 } 1772 1773 bclk_rate = snd_soc_params_to_bclk(params); 1774 if (bclk_rate < 0) { 1775 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate); 1776 return bclk_rate; 1777 } 1778 1779 wm8996->bclk_rate[dai->id] = bclk_rate; 1780 wm8996->rx_rate[dai->id] = params_rate(params); 1781 1782 /* Needs looking at for TDM */ 1783 bits = params_width(params); 1784 if (bits < 0) 1785 return bits; 1786 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits; 1787 1788 best = 0; 1789 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) { 1790 if (abs(dsp_divs[i] - params_rate(params)) < 1791 abs(dsp_divs[best] - params_rate(params))) 1792 best = i; 1793 } 1794 dsp |= i << dsp_shift; 1795 1796 wm8996_update_bclk(codec); 1797 1798 lrclk = bclk_rate / params_rate(params); 1799 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n", 1800 lrclk, bclk_rate / lrclk); 1801 1802 snd_soc_update_bits(codec, aifdata_reg, 1803 WM8996_AIF1TX_WL_MASK | 1804 WM8996_AIF1TX_SLOT_LEN_MASK, 1805 aifdata); 1806 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK, 1807 lrclk); 1808 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2, 1809 WM8996_DSP1_DIV_MASK << dsp_shift, dsp); 1810 1811 return 0; 1812} 1813 1814static int wm8996_set_sysclk(struct snd_soc_dai *dai, 1815 int clk_id, unsigned int freq, int dir) 1816{ 1817 struct snd_soc_codec *codec = dai->codec; 1818 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 1819 int lfclk = 0; 1820 int ratediv = 0; 1821 int sync = WM8996_REG_SYNC; 1822 int src; 1823 int old; 1824 1825 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src) 1826 return 0; 1827 1828 /* Disable SYSCLK while we reconfigure */ 1829 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA; 1830 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1, 1831 WM8996_SYSCLK_ENA, 0); 1832 1833 switch (clk_id) { 1834 case WM8996_SYSCLK_MCLK1: 1835 wm8996->sysclk = freq; 1836 src = 0; 1837 break; 1838 case WM8996_SYSCLK_MCLK2: 1839 wm8996->sysclk = freq; 1840 src = 1; 1841 break; 1842 case WM8996_SYSCLK_FLL: 1843 wm8996->sysclk = freq; 1844 src = 2; 1845 break; 1846 default: 1847 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id); 1848 return -EINVAL; 1849 } 1850 1851 switch (wm8996->sysclk) { 1852 case 5644800: 1853 case 6144000: 1854 snd_soc_update_bits(codec, WM8996_AIF_RATE, 1855 WM8996_SYSCLK_RATE, 0); 1856 break; 1857 case 22579200: 1858 case 24576000: 1859 ratediv = WM8996_SYSCLK_DIV; 1860 wm8996->sysclk /= 2; 1861 case 11289600: 1862 case 12288000: 1863 snd_soc_update_bits(codec, WM8996_AIF_RATE, 1864 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE); 1865 break; 1866 case 32000: 1867 case 32768: 1868 lfclk = WM8996_LFCLK_ENA; 1869 sync = 0; 1870 break; 1871 default: 1872 dev_warn(codec->dev, "Unsupported clock rate %dHz\n", 1873 wm8996->sysclk); 1874 return -EINVAL; 1875 } 1876 1877 wm8996_update_bclk(codec); 1878 1879 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1, 1880 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK, 1881 src << WM8996_SYSCLK_SRC_SHIFT | ratediv); 1882 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk); 1883 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1, 1884 WM8996_REG_SYNC, sync); 1885 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1, 1886 WM8996_SYSCLK_ENA, old); 1887 1888 wm8996->sysclk_src = clk_id; 1889 1890 return 0; 1891} 1892 1893struct _fll_div { 1894 u16 fll_fratio; 1895 u16 fll_outdiv; 1896 u16 fll_refclk_div; 1897 u16 fll_loop_gain; 1898 u16 fll_ref_freq; 1899 u16 n; 1900 u16 theta; 1901 u16 lambda; 1902}; 1903 1904static struct { 1905 unsigned int min; 1906 unsigned int max; 1907 u16 fll_fratio; 1908 int ratio; 1909} fll_fratios[] = { 1910 { 0, 64000, 4, 16 }, 1911 { 64000, 128000, 3, 8 }, 1912 { 128000, 256000, 2, 4 }, 1913 { 256000, 1000000, 1, 2 }, 1914 { 1000000, 13500000, 0, 1 }, 1915}; 1916 1917static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, 1918 unsigned int Fout) 1919{ 1920 unsigned int target; 1921 unsigned int div; 1922 unsigned int fratio, gcd_fll; 1923 int i; 1924 1925 /* Fref must be <=13.5MHz */ 1926 div = 1; 1927 fll_div->fll_refclk_div = 0; 1928 while ((Fref / div) > 13500000) { 1929 div *= 2; 1930 fll_div->fll_refclk_div++; 1931 1932 if (div > 8) { 1933 pr_err("Can't scale %dMHz input down to <=13.5MHz\n", 1934 Fref); 1935 return -EINVAL; 1936 } 1937 } 1938 1939 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout); 1940 1941 /* Apply the division for our remaining calculations */ 1942 Fref /= div; 1943 1944 if (Fref >= 3000000) 1945 fll_div->fll_loop_gain = 5; 1946 else 1947 fll_div->fll_loop_gain = 0; 1948 1949 if (Fref >= 48000) 1950 fll_div->fll_ref_freq = 0; 1951 else 1952 fll_div->fll_ref_freq = 1; 1953 1954 /* Fvco should be 90-100MHz; don't check the upper bound */ 1955 div = 2; 1956 while (Fout * div < 90000000) { 1957 div++; 1958 if (div > 64) { 1959 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", 1960 Fout); 1961 return -EINVAL; 1962 } 1963 } 1964 target = Fout * div; 1965 fll_div->fll_outdiv = div - 1; 1966 1967 pr_debug("FLL Fvco=%dHz\n", target); 1968 1969 /* Find an appropraite FLL_FRATIO and factor it out of the target */ 1970 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { 1971 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { 1972 fll_div->fll_fratio = fll_fratios[i].fll_fratio; 1973 fratio = fll_fratios[i].ratio; 1974 break; 1975 } 1976 } 1977 if (i == ARRAY_SIZE(fll_fratios)) { 1978 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); 1979 return -EINVAL; 1980 } 1981 1982 fll_div->n = target / (fratio * Fref); 1983 1984 if (target % Fref == 0) { 1985 fll_div->theta = 0; 1986 fll_div->lambda = 0; 1987 } else { 1988 gcd_fll = gcd(target, fratio * Fref); 1989 1990 fll_div->theta = (target - (fll_div->n * fratio * Fref)) 1991 / gcd_fll; 1992 fll_div->lambda = (fratio * Fref) / gcd_fll; 1993 } 1994 1995 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n", 1996 fll_div->n, fll_div->theta, fll_div->lambda); 1997 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n", 1998 fll_div->fll_fratio, fll_div->fll_outdiv, 1999 fll_div->fll_refclk_div); 2000 2001 return 0; 2002} 2003 2004static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source, 2005 unsigned int Fref, unsigned int Fout) 2006{ 2007 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2008 struct i2c_client *i2c = to_i2c_client(codec->dev); 2009 struct _fll_div fll_div; 2010 unsigned long timeout, time_left; 2011 int ret, reg, retry; 2012 2013 /* Any change? */ 2014 if (source == wm8996->fll_src && Fref == wm8996->fll_fref && 2015 Fout == wm8996->fll_fout) 2016 return 0; 2017 2018 if (Fout == 0) { 2019 dev_dbg(codec->dev, "FLL disabled\n"); 2020 2021 wm8996->fll_fref = 0; 2022 wm8996->fll_fout = 0; 2023 2024 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1, 2025 WM8996_FLL_ENA, 0); 2026 2027 wm8996_bg_disable(codec); 2028 2029 return 0; 2030 } 2031 2032 ret = fll_factors(&fll_div, Fref, Fout); 2033 if (ret != 0) 2034 return ret; 2035 2036 switch (source) { 2037 case WM8996_FLL_MCLK1: 2038 reg = 0; 2039 break; 2040 case WM8996_FLL_MCLK2: 2041 reg = 1; 2042 break; 2043 case WM8996_FLL_DACLRCLK1: 2044 reg = 2; 2045 break; 2046 case WM8996_FLL_BCLK1: 2047 reg = 3; 2048 break; 2049 default: 2050 dev_err(codec->dev, "Unknown FLL source %d\n", ret); 2051 return -EINVAL; 2052 } 2053 2054 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT; 2055 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT; 2056 2057 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5, 2058 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ | 2059 WM8996_FLL_REFCLK_SRC_MASK, reg); 2060 2061 reg = 0; 2062 if (fll_div.theta || fll_div.lambda) 2063 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT); 2064 else 2065 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT; 2066 snd_soc_write(codec, WM8996_FLL_EFS_2, reg); 2067 2068 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2, 2069 WM8996_FLL_OUTDIV_MASK | 2070 WM8996_FLL_FRATIO_MASK, 2071 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) | 2072 (fll_div.fll_fratio)); 2073 2074 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta); 2075 2076 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4, 2077 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK, 2078 (fll_div.n << WM8996_FLL_N_SHIFT) | 2079 fll_div.fll_loop_gain); 2080 2081 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda); 2082 2083 /* Enable the bandgap if it's not already enabled */ 2084 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1); 2085 if (!(ret & WM8996_FLL_ENA)) 2086 wm8996_bg_enable(codec); 2087 2088 /* Clear any pending completions (eg, from failed startups) */ 2089 try_wait_for_completion(&wm8996->fll_lock); 2090 2091 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1, 2092 WM8996_FLL_ENA, WM8996_FLL_ENA); 2093 2094 /* The FLL supports live reconfiguration - kick that in case we were 2095 * already enabled. 2096 */ 2097 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK); 2098 2099 /* Wait for the FLL to lock, using the interrupt if possible */ 2100 if (Fref > 1000000) 2101 timeout = usecs_to_jiffies(300); 2102 else 2103 timeout = msecs_to_jiffies(2); 2104 2105 /* Allow substantially longer if we've actually got the IRQ, poll 2106 * at a slightly higher rate if we don't. 2107 */ 2108 if (i2c->irq) 2109 timeout *= 10; 2110 else 2111 /* ensure timeout of atleast 1 jiffies */ 2112 timeout = timeout/2 ? : 1; 2113 2114 for (retry = 0; retry < 10; retry++) { 2115 time_left = wait_for_completion_timeout(&wm8996->fll_lock, 2116 timeout); 2117 if (time_left != 0) { 2118 WARN_ON(!i2c->irq); 2119 ret = 1; 2120 break; 2121 } 2122 2123 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2); 2124 if (ret & WM8996_FLL_LOCK_STS) 2125 break; 2126 } 2127 if (retry == 10) { 2128 dev_err(codec->dev, "Timed out waiting for FLL\n"); 2129 ret = -ETIMEDOUT; 2130 } 2131 2132 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); 2133 2134 wm8996->fll_fref = Fref; 2135 wm8996->fll_fout = Fout; 2136 wm8996->fll_src = source; 2137 2138 return ret; 2139} 2140 2141#ifdef CONFIG_GPIOLIB 2142static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip) 2143{ 2144 return container_of(chip, struct wm8996_priv, gpio_chip); 2145} 2146 2147static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value) 2148{ 2149 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); 2150 2151 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, 2152 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT); 2153} 2154 2155static int wm8996_gpio_direction_out(struct gpio_chip *chip, 2156 unsigned offset, int value) 2157{ 2158 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); 2159 int val; 2160 2161 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT); 2162 2163 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, 2164 WM8996_GP1_FN_MASK | WM8996_GP1_DIR | 2165 WM8996_GP1_LVL, val); 2166} 2167 2168static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset) 2169{ 2170 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); 2171 unsigned int reg; 2172 int ret; 2173 2174 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®); 2175 if (ret < 0) 2176 return ret; 2177 2178 return (reg & WM8996_GP1_LVL) != 0; 2179} 2180 2181static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset) 2182{ 2183 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip); 2184 2185 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, 2186 WM8996_GP1_FN_MASK | WM8996_GP1_DIR, 2187 (1 << WM8996_GP1_FN_SHIFT) | 2188 (1 << WM8996_GP1_DIR_SHIFT)); 2189} 2190 2191static struct gpio_chip wm8996_template_chip = { 2192 .label = "wm8996", 2193 .owner = THIS_MODULE, 2194 .direction_output = wm8996_gpio_direction_out, 2195 .set = wm8996_gpio_set, 2196 .direction_input = wm8996_gpio_direction_in, 2197 .get = wm8996_gpio_get, 2198 .can_sleep = 1, 2199}; 2200 2201static void wm8996_init_gpio(struct wm8996_priv *wm8996) 2202{ 2203 int ret; 2204 2205 wm8996->gpio_chip = wm8996_template_chip; 2206 wm8996->gpio_chip.ngpio = 5; 2207 wm8996->gpio_chip.dev = wm8996->dev; 2208 2209 if (wm8996->pdata.gpio_base) 2210 wm8996->gpio_chip.base = wm8996->pdata.gpio_base; 2211 else 2212 wm8996->gpio_chip.base = -1; 2213 2214 ret = gpiochip_add(&wm8996->gpio_chip); 2215 if (ret != 0) 2216 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret); 2217} 2218 2219static void wm8996_free_gpio(struct wm8996_priv *wm8996) 2220{ 2221 gpiochip_remove(&wm8996->gpio_chip); 2222} 2223#else 2224static void wm8996_init_gpio(struct wm8996_priv *wm8996) 2225{ 2226} 2227 2228static void wm8996_free_gpio(struct wm8996_priv *wm8996) 2229{ 2230} 2231#endif 2232 2233/** 2234 * wm8996_detect - Enable default WM8996 jack detection 2235 * 2236 * The WM8996 has advanced accessory detection support for headsets. 2237 * This function provides a default implementation which integrates 2238 * the majority of this functionality with minimal user configuration. 2239 * 2240 * This will detect headset, headphone and short circuit button and 2241 * will also detect inverted microphone ground connections and update 2242 * the polarity of the connections. 2243 */ 2244int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack, 2245 wm8996_polarity_fn polarity_cb) 2246{ 2247 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2248 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); 2249 2250 wm8996->jack = jack; 2251 wm8996->detecting = true; 2252 wm8996->polarity_cb = polarity_cb; 2253 wm8996->jack_flips = 0; 2254 2255 if (wm8996->polarity_cb) 2256 wm8996->polarity_cb(codec, 0); 2257 2258 /* Clear discarge to avoid noise during detection */ 2259 snd_soc_update_bits(codec, WM8996_MICBIAS_1, 2260 WM8996_MICB1_DISCH, 0); 2261 snd_soc_update_bits(codec, WM8996_MICBIAS_2, 2262 WM8996_MICB2_DISCH, 0); 2263 2264 /* LDO2 powers the microphones, SYSCLK clocks detection */ 2265 snd_soc_dapm_mutex_lock(dapm); 2266 2267 snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2"); 2268 snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK"); 2269 2270 snd_soc_dapm_mutex_unlock(dapm); 2271 2272 /* We start off just enabling microphone detection - even a 2273 * plain headphone will trigger detection. 2274 */ 2275 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, 2276 WM8996_MICD_ENA, WM8996_MICD_ENA); 2277 2278 /* Slowest detection rate, gives debounce for initial detection */ 2279 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, 2280 WM8996_MICD_RATE_MASK, 2281 WM8996_MICD_RATE_MASK); 2282 2283 /* Enable interrupts and we're off */ 2284 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK, 2285 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0); 2286 2287 return 0; 2288} 2289EXPORT_SYMBOL_GPL(wm8996_detect); 2290 2291static void wm8996_hpdet_irq(struct snd_soc_codec *codec) 2292{ 2293 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); 2294 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2295 int val, reg, report; 2296 2297 /* Assume headphone in error conditions; we need to report 2298 * something or we stall our state machine. 2299 */ 2300 report = SND_JACK_HEADPHONE; 2301 2302 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2); 2303 if (reg < 0) { 2304 dev_err(codec->dev, "Failed to read HPDET status\n"); 2305 goto out; 2306 } 2307 2308 if (!(reg & WM8996_HP_DONE)) { 2309 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n"); 2310 goto out; 2311 } 2312 2313 val = reg & WM8996_HP_LVL_MASK; 2314 2315 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val); 2316 2317 /* If we've got high enough impedence then report as line, 2318 * otherwise assume headphone. 2319 */ 2320 if (val >= 126) 2321 report = SND_JACK_LINEOUT; 2322 else 2323 report = SND_JACK_HEADPHONE; 2324 2325out: 2326 if (wm8996->jack_mic) 2327 report |= SND_JACK_MICROPHONE; 2328 2329 snd_soc_jack_report(wm8996->jack, report, 2330 SND_JACK_LINEOUT | SND_JACK_HEADSET); 2331 2332 wm8996->detecting = false; 2333 2334 /* If the output isn't running re-clamp it */ 2335 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) & 2336 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT))) 2337 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, 2338 WM8996_HPOUT1L_RMV_SHORT | 2339 WM8996_HPOUT1R_RMV_SHORT, 0); 2340 2341 /* Go back to looking at the microphone */ 2342 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1, 2343 WM8996_JD_MODE_MASK, 0); 2344 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 2345 WM8996_MICD_ENA); 2346 2347 snd_soc_dapm_disable_pin(dapm, "Bandgap"); 2348 snd_soc_dapm_sync(dapm); 2349} 2350 2351static void wm8996_hpdet_start(struct snd_soc_codec *codec) 2352{ 2353 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); 2354 2355 /* Unclamp the output, we can't measure while we're shorting it */ 2356 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, 2357 WM8996_HPOUT1L_RMV_SHORT | 2358 WM8996_HPOUT1R_RMV_SHORT, 2359 WM8996_HPOUT1L_RMV_SHORT | 2360 WM8996_HPOUT1R_RMV_SHORT); 2361 2362 /* We need bandgap for HPDET */ 2363 snd_soc_dapm_force_enable_pin(dapm, "Bandgap"); 2364 snd_soc_dapm_sync(dapm); 2365 2366 /* Go into headphone detect left mode */ 2367 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0); 2368 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1, 2369 WM8996_JD_MODE_MASK, 1); 2370 2371 /* Trigger a measurement */ 2372 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1, 2373 WM8996_HP_POLL, WM8996_HP_POLL); 2374} 2375 2376static void wm8996_report_headphone(struct snd_soc_codec *codec) 2377{ 2378 dev_dbg(codec->dev, "Headphone detected\n"); 2379 wm8996_hpdet_start(codec); 2380 2381 /* Increase the detection rate a bit for responsiveness. */ 2382 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, 2383 WM8996_MICD_RATE_MASK | 2384 WM8996_MICD_BIAS_STARTTIME_MASK, 2385 7 << WM8996_MICD_RATE_SHIFT | 2386 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT); 2387} 2388 2389static void wm8996_micd(struct snd_soc_codec *codec) 2390{ 2391 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2392 int val, reg; 2393 2394 val = snd_soc_read(codec, WM8996_MIC_DETECT_3); 2395 2396 dev_dbg(codec->dev, "Microphone event: %x\n", val); 2397 2398 if (!(val & WM8996_MICD_VALID)) { 2399 dev_warn(codec->dev, "Microphone detection state invalid\n"); 2400 return; 2401 } 2402 2403 /* No accessory, reset everything and report removal */ 2404 if (!(val & WM8996_MICD_STS)) { 2405 dev_dbg(codec->dev, "Jack removal detected\n"); 2406 wm8996->jack_mic = false; 2407 wm8996->detecting = true; 2408 wm8996->jack_flips = 0; 2409 snd_soc_jack_report(wm8996->jack, 0, 2410 SND_JACK_LINEOUT | SND_JACK_HEADSET | 2411 SND_JACK_BTN_0); 2412 2413 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, 2414 WM8996_MICD_RATE_MASK | 2415 WM8996_MICD_BIAS_STARTTIME_MASK, 2416 WM8996_MICD_RATE_MASK | 2417 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT); 2418 return; 2419 } 2420 2421 /* If the measurement is very high we've got a microphone, 2422 * either we just detected one or if we already reported then 2423 * we've got a button release event. 2424 */ 2425 if (val & 0x400) { 2426 if (wm8996->detecting) { 2427 dev_dbg(codec->dev, "Microphone detected\n"); 2428 wm8996->jack_mic = true; 2429 wm8996_hpdet_start(codec); 2430 2431 /* Increase poll rate to give better responsiveness 2432 * for buttons */ 2433 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, 2434 WM8996_MICD_RATE_MASK | 2435 WM8996_MICD_BIAS_STARTTIME_MASK, 2436 5 << WM8996_MICD_RATE_SHIFT | 2437 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT); 2438 } else { 2439 dev_dbg(codec->dev, "Mic button up\n"); 2440 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0); 2441 } 2442 2443 return; 2444 } 2445 2446 /* If we detected a lower impedence during initial startup 2447 * then we probably have the wrong polarity, flip it. Don't 2448 * do this for the lowest impedences to speed up detection of 2449 * plain headphones. If both polarities report a low 2450 * impedence then give up and report headphones. 2451 */ 2452 if (wm8996->detecting && (val & 0x3f0)) { 2453 wm8996->jack_flips++; 2454 2455 if (wm8996->jack_flips > 1) { 2456 wm8996_report_headphone(codec); 2457 return; 2458 } 2459 2460 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2); 2461 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC | 2462 WM8996_MICD_BIAS_SRC; 2463 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2, 2464 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC | 2465 WM8996_MICD_BIAS_SRC, reg); 2466 2467 if (wm8996->polarity_cb) 2468 wm8996->polarity_cb(codec, 2469 (reg & WM8996_MICD_SRC) != 0); 2470 2471 dev_dbg(codec->dev, "Set microphone polarity to %d\n", 2472 (reg & WM8996_MICD_SRC) != 0); 2473 2474 return; 2475 } 2476 2477 /* Don't distinguish between buttons, just report any low 2478 * impedence as BTN_0. 2479 */ 2480 if (val & 0x3fc) { 2481 if (wm8996->jack_mic) { 2482 dev_dbg(codec->dev, "Mic button detected\n"); 2483 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0, 2484 SND_JACK_BTN_0); 2485 } else if (wm8996->detecting) { 2486 wm8996_report_headphone(codec); 2487 } 2488 } 2489} 2490 2491static irqreturn_t wm8996_irq(int irq, void *data) 2492{ 2493 struct snd_soc_codec *codec = data; 2494 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2495 int irq_val; 2496 2497 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2); 2498 if (irq_val < 0) { 2499 dev_err(codec->dev, "Failed to read IRQ status: %d\n", 2500 irq_val); 2501 return IRQ_NONE; 2502 } 2503 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK); 2504 2505 if (!irq_val) 2506 return IRQ_NONE; 2507 2508 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val); 2509 2510 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) { 2511 dev_dbg(codec->dev, "DC servo IRQ\n"); 2512 complete(&wm8996->dcs_done); 2513 } 2514 2515 if (irq_val & WM8996_FIFOS_ERR_EINT) 2516 dev_err(codec->dev, "Digital core FIFO error\n"); 2517 2518 if (irq_val & WM8996_FLL_LOCK_EINT) { 2519 dev_dbg(codec->dev, "FLL locked\n"); 2520 complete(&wm8996->fll_lock); 2521 } 2522 2523 if (irq_val & WM8996_MICD_EINT) 2524 wm8996_micd(codec); 2525 2526 if (irq_val & WM8996_HP_DONE_EINT) 2527 wm8996_hpdet_irq(codec); 2528 2529 return IRQ_HANDLED; 2530} 2531 2532static irqreturn_t wm8996_edge_irq(int irq, void *data) 2533{ 2534 irqreturn_t ret = IRQ_NONE; 2535 irqreturn_t val; 2536 2537 do { 2538 val = wm8996_irq(irq, data); 2539 if (val != IRQ_NONE) 2540 ret = val; 2541 } while (val != IRQ_NONE); 2542 2543 return ret; 2544} 2545 2546static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec) 2547{ 2548 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2549 struct wm8996_pdata *pdata = &wm8996->pdata; 2550 2551 struct snd_kcontrol_new controls[] = { 2552 SOC_ENUM_EXT("DSP1 EQ Mode", 2553 wm8996->retune_mobile_enum, 2554 wm8996_get_retune_mobile_enum, 2555 wm8996_put_retune_mobile_enum), 2556 SOC_ENUM_EXT("DSP2 EQ Mode", 2557 wm8996->retune_mobile_enum, 2558 wm8996_get_retune_mobile_enum, 2559 wm8996_put_retune_mobile_enum), 2560 }; 2561 int ret, i, j; 2562 const char **t; 2563 2564 /* We need an array of texts for the enum API but the number 2565 * of texts is likely to be less than the number of 2566 * configurations due to the sample rate dependency of the 2567 * configurations. */ 2568 wm8996->num_retune_mobile_texts = 0; 2569 wm8996->retune_mobile_texts = NULL; 2570 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { 2571 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) { 2572 if (strcmp(pdata->retune_mobile_cfgs[i].name, 2573 wm8996->retune_mobile_texts[j]) == 0) 2574 break; 2575 } 2576 2577 if (j != wm8996->num_retune_mobile_texts) 2578 continue; 2579 2580 /* Expand the array... */ 2581 t = krealloc(wm8996->retune_mobile_texts, 2582 sizeof(char *) * 2583 (wm8996->num_retune_mobile_texts + 1), 2584 GFP_KERNEL); 2585 if (t == NULL) 2586 continue; 2587 2588 /* ...store the new entry... */ 2589 t[wm8996->num_retune_mobile_texts] = 2590 pdata->retune_mobile_cfgs[i].name; 2591 2592 /* ...and remember the new version. */ 2593 wm8996->num_retune_mobile_texts++; 2594 wm8996->retune_mobile_texts = t; 2595 } 2596 2597 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n", 2598 wm8996->num_retune_mobile_texts); 2599 2600 wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts; 2601 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts; 2602 2603 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls)); 2604 if (ret != 0) 2605 dev_err(codec->dev, 2606 "Failed to add ReTune Mobile controls: %d\n", ret); 2607} 2608 2609static const struct regmap_config wm8996_regmap = { 2610 .reg_bits = 16, 2611 .val_bits = 16, 2612 2613 .max_register = WM8996_MAX_REGISTER, 2614 .reg_defaults = wm8996_reg, 2615 .num_reg_defaults = ARRAY_SIZE(wm8996_reg), 2616 .volatile_reg = wm8996_volatile_register, 2617 .readable_reg = wm8996_readable_register, 2618 .cache_type = REGCACHE_RBTREE, 2619}; 2620 2621static int wm8996_probe(struct snd_soc_codec *codec) 2622{ 2623 int ret; 2624 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); 2625 struct i2c_client *i2c = to_i2c_client(codec->dev); 2626 int irq_flags; 2627 2628 wm8996->codec = codec; 2629 2630 init_completion(&wm8996->dcs_done); 2631 init_completion(&wm8996->fll_lock); 2632 2633 if (wm8996->pdata.num_retune_mobile_cfgs) 2634 wm8996_retune_mobile_pdata(codec); 2635 else 2636 snd_soc_add_codec_controls(codec, wm8996_eq_controls, 2637 ARRAY_SIZE(wm8996_eq_controls)); 2638 2639 if (i2c->irq) { 2640 if (wm8996->pdata.irq_flags) 2641 irq_flags = wm8996->pdata.irq_flags; 2642 else 2643 irq_flags = IRQF_TRIGGER_LOW; 2644 2645 irq_flags |= IRQF_ONESHOT; 2646 2647 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) 2648 ret = request_threaded_irq(i2c->irq, NULL, 2649 wm8996_edge_irq, 2650 irq_flags, "wm8996", codec); 2651 else 2652 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq, 2653 irq_flags, "wm8996", codec); 2654 2655 if (ret == 0) { 2656 /* Unmask the interrupt */ 2657 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL, 2658 WM8996_IM_IRQ, 0); 2659 2660 /* Enable error reporting and DC servo status */ 2661 snd_soc_update_bits(codec, 2662 WM8996_INTERRUPT_STATUS_2_MASK, 2663 WM8996_IM_DCS_DONE_23_EINT | 2664 WM8996_IM_DCS_DONE_01_EINT | 2665 WM8996_IM_FLL_LOCK_EINT | 2666 WM8996_IM_FIFOS_ERR_EINT, 2667 0); 2668 } else { 2669 dev_err(codec->dev, "Failed to request IRQ: %d\n", 2670 ret); 2671 return ret; 2672 } 2673 } 2674 2675 return 0; 2676} 2677 2678static int wm8996_remove(struct snd_soc_codec *codec) 2679{ 2680 struct i2c_client *i2c = to_i2c_client(codec->dev); 2681 2682 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL, 2683 WM8996_IM_IRQ, WM8996_IM_IRQ); 2684 2685 if (i2c->irq) 2686 free_irq(i2c->irq, codec); 2687 2688 return 0; 2689} 2690 2691static struct snd_soc_codec_driver soc_codec_dev_wm8996 = { 2692 .probe = wm8996_probe, 2693 .remove = wm8996_remove, 2694 .set_bias_level = wm8996_set_bias_level, 2695 .idle_bias_off = true, 2696 .seq_notifier = wm8996_seq_notifier, 2697 .controls = wm8996_snd_controls, 2698 .num_controls = ARRAY_SIZE(wm8996_snd_controls), 2699 .dapm_widgets = wm8996_dapm_widgets, 2700 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets), 2701 .dapm_routes = wm8996_dapm_routes, 2702 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes), 2703 .set_pll = wm8996_set_fll, 2704}; 2705 2706#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ 2707 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 2708 SNDRV_PCM_RATE_48000) 2709#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\ 2710 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\ 2711 SNDRV_PCM_FMTBIT_S32_LE) 2712 2713static const struct snd_soc_dai_ops wm8996_dai_ops = { 2714 .set_fmt = wm8996_set_fmt, 2715 .hw_params = wm8996_hw_params, 2716 .set_sysclk = wm8996_set_sysclk, 2717}; 2718 2719static struct snd_soc_dai_driver wm8996_dai[] = { 2720 { 2721 .name = "wm8996-aif1", 2722 .playback = { 2723 .stream_name = "AIF1 Playback", 2724 .channels_min = 1, 2725 .channels_max = 6, 2726 .rates = WM8996_RATES, 2727 .formats = WM8996_FORMATS, 2728 .sig_bits = 24, 2729 }, 2730 .capture = { 2731 .stream_name = "AIF1 Capture", 2732 .channels_min = 1, 2733 .channels_max = 6, 2734 .rates = WM8996_RATES, 2735 .formats = WM8996_FORMATS, 2736 .sig_bits = 24, 2737 }, 2738 .ops = &wm8996_dai_ops, 2739 }, 2740 { 2741 .name = "wm8996-aif2", 2742 .playback = { 2743 .stream_name = "AIF2 Playback", 2744 .channels_min = 1, 2745 .channels_max = 2, 2746 .rates = WM8996_RATES, 2747 .formats = WM8996_FORMATS, 2748 .sig_bits = 24, 2749 }, 2750 .capture = { 2751 .stream_name = "AIF2 Capture", 2752 .channels_min = 1, 2753 .channels_max = 2, 2754 .rates = WM8996_RATES, 2755 .formats = WM8996_FORMATS, 2756 .sig_bits = 24, 2757 }, 2758 .ops = &wm8996_dai_ops, 2759 }, 2760}; 2761 2762static int wm8996_i2c_probe(struct i2c_client *i2c, 2763 const struct i2c_device_id *id) 2764{ 2765 struct wm8996_priv *wm8996; 2766 int ret, i; 2767 unsigned int reg; 2768 2769 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv), 2770 GFP_KERNEL); 2771 if (wm8996 == NULL) 2772 return -ENOMEM; 2773 2774 i2c_set_clientdata(i2c, wm8996); 2775 wm8996->dev = &i2c->dev; 2776 2777 if (dev_get_platdata(&i2c->dev)) 2778 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev), 2779 sizeof(wm8996->pdata)); 2780 2781 if (wm8996->pdata.ldo_ena > 0) { 2782 ret = gpio_request_one(wm8996->pdata.ldo_ena, 2783 GPIOF_OUT_INIT_LOW, "WM8996 ENA"); 2784 if (ret < 0) { 2785 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n", 2786 wm8996->pdata.ldo_ena, ret); 2787 goto err; 2788 } 2789 } 2790 2791 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) 2792 wm8996->supplies[i].supply = wm8996_supply_names[i]; 2793 2794 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies), 2795 wm8996->supplies); 2796 if (ret != 0) { 2797 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); 2798 goto err_gpio; 2799 } 2800 2801 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0; 2802 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1; 2803 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2; 2804 2805 /* This should really be moved into the regulator core */ 2806 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) { 2807 ret = regulator_register_notifier(wm8996->supplies[i].consumer, 2808 &wm8996->disable_nb[i]); 2809 if (ret != 0) { 2810 dev_err(&i2c->dev, 2811 "Failed to register regulator notifier: %d\n", 2812 ret); 2813 } 2814 } 2815 2816 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies), 2817 wm8996->supplies); 2818 if (ret != 0) { 2819 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); 2820 goto err_gpio; 2821 } 2822 2823 if (wm8996->pdata.ldo_ena > 0) { 2824 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1); 2825 msleep(5); 2826 } 2827 2828 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap); 2829 if (IS_ERR(wm8996->regmap)) { 2830 ret = PTR_ERR(wm8996->regmap); 2831 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); 2832 goto err_enable; 2833 } 2834 2835 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®); 2836 if (ret < 0) { 2837 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret); 2838 goto err_regmap; 2839 } 2840 if (reg != 0x8915) { 2841 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg); 2842 ret = -EINVAL; 2843 goto err_regmap; 2844 } 2845 2846 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®); 2847 if (ret < 0) { 2848 dev_err(&i2c->dev, "Failed to read device revision: %d\n", 2849 ret); 2850 goto err_regmap; 2851 } 2852 2853 dev_info(&i2c->dev, "revision %c\n", 2854 (reg & WM8996_CHIP_REV_MASK) + 'A'); 2855 2856 if (wm8996->pdata.ldo_ena > 0) { 2857 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 2858 regcache_cache_only(wm8996->regmap, true); 2859 } else { 2860 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET, 2861 0x8915); 2862 if (ret != 0) { 2863 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret); 2864 goto err_regmap; 2865 } 2866 } 2867 2868 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); 2869 2870 /* Apply platform data settings */ 2871 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL, 2872 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK, 2873 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT | 2874 wm8996->pdata.inr_mode); 2875 2876 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) { 2877 if (!wm8996->pdata.gpio_default[i]) 2878 continue; 2879 2880 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i, 2881 wm8996->pdata.gpio_default[i] & 0xffff); 2882 } 2883 2884 if (wm8996->pdata.spkmute_seq) 2885 regmap_update_bits(wm8996->regmap, 2886 WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 2887 WM8996_SPK_MUTE_ENDIAN | 2888 WM8996_SPK_MUTE_SEQ1_MASK, 2889 wm8996->pdata.spkmute_seq); 2890 2891 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2, 2892 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC | 2893 WM8996_MICD_SRC, wm8996->pdata.micdet_def); 2894 2895 /* Latch volume update bits */ 2896 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME, 2897 WM8996_IN1_VU, WM8996_IN1_VU); 2898 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME, 2899 WM8996_IN1_VU, WM8996_IN1_VU); 2900 2901 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME, 2902 WM8996_DAC1_VU, WM8996_DAC1_VU); 2903 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME, 2904 WM8996_DAC1_VU, WM8996_DAC1_VU); 2905 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME, 2906 WM8996_DAC2_VU, WM8996_DAC2_VU); 2907 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME, 2908 WM8996_DAC2_VU, WM8996_DAC2_VU); 2909 2910 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME, 2911 WM8996_DAC1_VU, WM8996_DAC1_VU); 2912 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME, 2913 WM8996_DAC1_VU, WM8996_DAC1_VU); 2914 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME, 2915 WM8996_DAC2_VU, WM8996_DAC2_VU); 2916 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME, 2917 WM8996_DAC2_VU, WM8996_DAC2_VU); 2918 2919 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME, 2920 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU); 2921 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME, 2922 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU); 2923 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME, 2924 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU); 2925 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME, 2926 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU); 2927 2928 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME, 2929 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU); 2930 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME, 2931 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU); 2932 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME, 2933 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU); 2934 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME, 2935 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU); 2936 2937 /* No support currently for the underclocked TDM modes and 2938 * pick a default TDM layout with each channel pair working with 2939 * slots 0 and 1. */ 2940 regmap_update_bits(wm8996->regmap, 2941 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 2942 WM8996_AIF1RX_CHAN0_SLOTS_MASK | 2943 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2944 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0); 2945 regmap_update_bits(wm8996->regmap, 2946 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 2947 WM8996_AIF1RX_CHAN1_SLOTS_MASK | 2948 WM8996_AIF1RX_CHAN1_START_SLOT_MASK, 2949 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1); 2950 regmap_update_bits(wm8996->regmap, 2951 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 2952 WM8996_AIF1RX_CHAN2_SLOTS_MASK | 2953 WM8996_AIF1RX_CHAN2_START_SLOT_MASK, 2954 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0); 2955 regmap_update_bits(wm8996->regmap, 2956 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 2957 WM8996_AIF1RX_CHAN3_SLOTS_MASK | 2958 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2959 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1); 2960 regmap_update_bits(wm8996->regmap, 2961 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 2962 WM8996_AIF1RX_CHAN4_SLOTS_MASK | 2963 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2964 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0); 2965 regmap_update_bits(wm8996->regmap, 2966 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 2967 WM8996_AIF1RX_CHAN5_SLOTS_MASK | 2968 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2969 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1); 2970 2971 regmap_update_bits(wm8996->regmap, 2972 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 2973 WM8996_AIF2RX_CHAN0_SLOTS_MASK | 2974 WM8996_AIF2RX_CHAN0_START_SLOT_MASK, 2975 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0); 2976 regmap_update_bits(wm8996->regmap, 2977 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 2978 WM8996_AIF2RX_CHAN1_SLOTS_MASK | 2979 WM8996_AIF2RX_CHAN1_START_SLOT_MASK, 2980 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1); 2981 2982 regmap_update_bits(wm8996->regmap, 2983 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 2984 WM8996_AIF1TX_CHAN0_SLOTS_MASK | 2985 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2986 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0); 2987 regmap_update_bits(wm8996->regmap, 2988 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 2989 WM8996_AIF1TX_CHAN1_SLOTS_MASK | 2990 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2991 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1); 2992 regmap_update_bits(wm8996->regmap, 2993 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 2994 WM8996_AIF1TX_CHAN2_SLOTS_MASK | 2995 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2996 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0); 2997 regmap_update_bits(wm8996->regmap, 2998 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 2999 WM8996_AIF1TX_CHAN3_SLOTS_MASK | 3000 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 3001 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1); 3002 regmap_update_bits(wm8996->regmap, 3003 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 3004 WM8996_AIF1TX_CHAN4_SLOTS_MASK | 3005 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 3006 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0); 3007 regmap_update_bits(wm8996->regmap, 3008 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 3009 WM8996_AIF1TX_CHAN5_SLOTS_MASK | 3010 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 3011 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1); 3012 3013 regmap_update_bits(wm8996->regmap, 3014 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 3015 WM8996_AIF2TX_CHAN0_SLOTS_MASK | 3016 WM8996_AIF2TX_CHAN0_START_SLOT_MASK, 3017 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0); 3018 regmap_update_bits(wm8996->regmap, 3019 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 3020 WM8996_AIF2TX_CHAN1_SLOTS_MASK | 3021 WM8996_AIF2TX_CHAN1_START_SLOT_MASK, 3022 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1); 3023 3024 /* If the TX LRCLK pins are not in LRCLK mode configure the 3025 * AIFs to source their clocks from the RX LRCLKs. 3026 */ 3027 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, ®); 3028 if (ret != 0) { 3029 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret); 3030 goto err_regmap; 3031 } 3032 3033 if (reg & WM8996_GP1_FN_MASK) 3034 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2, 3035 WM8996_AIF1TX_LRCLK_MODE, 3036 WM8996_AIF1TX_LRCLK_MODE); 3037 3038 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, ®); 3039 if (ret != 0) { 3040 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret); 3041 goto err_regmap; 3042 } 3043 3044 if (reg & WM8996_GP2_FN_MASK) 3045 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2, 3046 WM8996_AIF2TX_LRCLK_MODE, 3047 WM8996_AIF2TX_LRCLK_MODE); 3048 3049 wm8996_init_gpio(wm8996); 3050 3051 ret = snd_soc_register_codec(&i2c->dev, 3052 &soc_codec_dev_wm8996, wm8996_dai, 3053 ARRAY_SIZE(wm8996_dai)); 3054 if (ret < 0) 3055 goto err_gpiolib; 3056 3057 return ret; 3058 3059err_gpiolib: 3060 wm8996_free_gpio(wm8996); 3061err_regmap: 3062err_enable: 3063 if (wm8996->pdata.ldo_ena > 0) 3064 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 3065 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); 3066err_gpio: 3067 if (wm8996->pdata.ldo_ena > 0) 3068 gpio_free(wm8996->pdata.ldo_ena); 3069err: 3070 3071 return ret; 3072} 3073 3074static int wm8996_i2c_remove(struct i2c_client *client) 3075{ 3076 struct wm8996_priv *wm8996 = i2c_get_clientdata(client); 3077 int i; 3078 3079 snd_soc_unregister_codec(&client->dev); 3080 wm8996_free_gpio(wm8996); 3081 if (wm8996->pdata.ldo_ena > 0) { 3082 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 3083 gpio_free(wm8996->pdata.ldo_ena); 3084 } 3085 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) 3086 regulator_unregister_notifier(wm8996->supplies[i].consumer, 3087 &wm8996->disable_nb[i]); 3088 3089 return 0; 3090} 3091 3092static const struct i2c_device_id wm8996_i2c_id[] = { 3093 { "wm8996", 0 }, 3094 { } 3095}; 3096MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id); 3097 3098static struct i2c_driver wm8996_i2c_driver = { 3099 .driver = { 3100 .name = "wm8996", 3101 }, 3102 .probe = wm8996_i2c_probe, 3103 .remove = wm8996_i2c_remove, 3104 .id_table = wm8996_i2c_id, 3105}; 3106 3107module_i2c_driver(wm8996_i2c_driver); 3108 3109MODULE_DESCRIPTION("ASoC WM8996 driver"); 3110MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 3111MODULE_LICENSE("GPL"); 3112