1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * wm8996.c - WM8996 audio codec interface 4 * 5 * Copyright 2011-2 Wolfson Microelectronics PLC. 6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7 */ 8 9 #include <linux/module.h> 10 #include <linux/moduleparam.h> 11 #include <linux/init.h> 12 #include <linux/completion.h> 13 #include <linux/delay.h> 14 #include <linux/pm.h> 15 #include <linux/gcd.h> 16 #include <linux/gpio/driver.h> 17 #include <linux/gpio.h> 18 #include <linux/i2c.h> 19 #include <linux/regmap.h> 20 #include <linux/regulator/consumer.h> 21 #include <linux/slab.h> 22 #include <linux/workqueue.h> 23 #include <sound/core.h> 24 #include <sound/jack.h> 25 #include <sound/pcm.h> 26 #include <sound/pcm_params.h> 27 #include <sound/soc.h> 28 #include <sound/initval.h> 29 #include <sound/tlv.h> 30 #include <trace/events/asoc.h> 31 32 #include <sound/wm8996.h> 33 #include "wm8996.h" 34 35 #define WM8996_AIFS 2 36 37 #define HPOUT1L 1 38 #define HPOUT1R 2 39 #define HPOUT2L 4 40 #define HPOUT2R 8 41 42 #define WM8996_NUM_SUPPLIES 3 43 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = { 44 "DBVDD", 45 "AVDD1", 46 "AVDD2", 47 }; 48 49 struct wm8996_priv { 50 struct device *dev; 51 struct regmap *regmap; 52 struct snd_soc_component *component; 53 54 int ldo1ena; 55 56 int sysclk; 57 int sysclk_src; 58 59 int fll_src; 60 int fll_fref; 61 int fll_fout; 62 63 struct completion fll_lock; 64 65 u16 dcs_pending; 66 struct completion dcs_done; 67 68 u16 hpout_ena; 69 u16 hpout_pending; 70 71 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES]; 72 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES]; 73 int bg_ena; 74 75 struct wm8996_pdata pdata; 76 77 int rx_rate[WM8996_AIFS]; 78 int bclk_rate[WM8996_AIFS]; 79 80 /* Platform dependant ReTune mobile configuration */ 81 int num_retune_mobile_texts; 82 const char **retune_mobile_texts; 83 int retune_mobile_cfg[2]; 84 struct soc_enum retune_mobile_enum; 85 86 struct snd_soc_jack *jack; 87 bool detecting; 88 bool jack_mic; 89 int jack_flips; 90 wm8996_polarity_fn polarity_cb; 91 92 #ifdef CONFIG_GPIOLIB 93 struct gpio_chip gpio_chip; 94 #endif 95 }; 96 97 /* We can't use the same notifier block for more than one supply and 98 * there's no way I can see to get from a callback to the caller 99 * except container_of(). 100 */ 101 #define WM8996_REGULATOR_EVENT(n) \ 102 static int wm8996_regulator_event_##n(struct notifier_block *nb, \ 103 unsigned long event, void *data) \ 104 { \ 105 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \ 106 disable_nb[n]); \ 107 if (event & REGULATOR_EVENT_DISABLE) { \ 108 regcache_mark_dirty(wm8996->regmap); \ 109 } \ 110 return 0; \ 111 } 112 113 WM8996_REGULATOR_EVENT(0) 114 WM8996_REGULATOR_EVENT(1) 115 WM8996_REGULATOR_EVENT(2) 116 117 static const struct reg_default wm8996_reg[] = { 118 { WM8996_POWER_MANAGEMENT_1, 0x0 }, 119 { WM8996_POWER_MANAGEMENT_2, 0x0 }, 120 { WM8996_POWER_MANAGEMENT_3, 0x0 }, 121 { WM8996_POWER_MANAGEMENT_4, 0x0 }, 122 { WM8996_POWER_MANAGEMENT_5, 0x0 }, 123 { WM8996_POWER_MANAGEMENT_6, 0x0 }, 124 { WM8996_POWER_MANAGEMENT_7, 0x10 }, 125 { WM8996_POWER_MANAGEMENT_8, 0x0 }, 126 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 }, 127 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 }, 128 { WM8996_LINE_INPUT_CONTROL, 0x0 }, 129 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 }, 130 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 }, 131 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 }, 132 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 }, 133 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 }, 134 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 }, 135 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 }, 136 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 }, 137 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 }, 138 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 }, 139 { WM8996_MICBIAS_1, 0x39 }, 140 { WM8996_MICBIAS_2, 0x39 }, 141 { WM8996_LDO_1, 0x3 }, 142 { WM8996_LDO_2, 0x13 }, 143 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 }, 144 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 }, 145 { WM8996_HEADPHONE_DETECT_1, 0x20 }, 146 { WM8996_HEADPHONE_DETECT_2, 0x0 }, 147 { WM8996_MIC_DETECT_1, 0x7600 }, 148 { WM8996_MIC_DETECT_2, 0xbf }, 149 { WM8996_CHARGE_PUMP_1, 0x1f25 }, 150 { WM8996_CHARGE_PUMP_2, 0xab19 }, 151 { WM8996_DC_SERVO_1, 0x0 }, 152 { WM8996_DC_SERVO_3, 0x0 }, 153 { WM8996_DC_SERVO_5, 0x2a2a }, 154 { WM8996_DC_SERVO_6, 0x0 }, 155 { WM8996_DC_SERVO_7, 0x0 }, 156 { WM8996_ANALOGUE_HP_1, 0x0 }, 157 { WM8996_ANALOGUE_HP_2, 0x0 }, 158 { WM8996_CONTROL_INTERFACE_1, 0x8004 }, 159 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 }, 160 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 }, 161 { WM8996_AIF_CLOCKING_1, 0x0 }, 162 { WM8996_AIF_CLOCKING_2, 0x0 }, 163 { WM8996_CLOCKING_1, 0x10 }, 164 { WM8996_CLOCKING_2, 0x0 }, 165 { WM8996_AIF_RATE, 0x83 }, 166 { WM8996_FLL_CONTROL_1, 0x0 }, 167 { WM8996_FLL_CONTROL_2, 0x0 }, 168 { WM8996_FLL_CONTROL_3, 0x0 }, 169 { WM8996_FLL_CONTROL_4, 0x5dc0 }, 170 { WM8996_FLL_CONTROL_5, 0xc84 }, 171 { WM8996_FLL_EFS_1, 0x0 }, 172 { WM8996_FLL_EFS_2, 0x2 }, 173 { WM8996_AIF1_CONTROL, 0x0 }, 174 { WM8996_AIF1_BCLK, 0x0 }, 175 { WM8996_AIF1_TX_LRCLK_1, 0x80 }, 176 { WM8996_AIF1_TX_LRCLK_2, 0x8 }, 177 { WM8996_AIF1_RX_LRCLK_1, 0x80 }, 178 { WM8996_AIF1_RX_LRCLK_2, 0x0 }, 179 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 }, 180 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 }, 181 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 }, 182 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 }, 183 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 }, 184 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 }, 185 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 }, 186 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 }, 187 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 }, 188 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 }, 189 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 }, 190 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 }, 191 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 }, 192 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 }, 193 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 }, 194 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 }, 195 { WM8996_AIF1TX_TEST, 0x7 }, 196 { WM8996_AIF2_CONTROL, 0x0 }, 197 { WM8996_AIF2_BCLK, 0x0 }, 198 { WM8996_AIF2_TX_LRCLK_1, 0x80 }, 199 { WM8996_AIF2_TX_LRCLK_2, 0x8 }, 200 { WM8996_AIF2_RX_LRCLK_1, 0x80 }, 201 { WM8996_AIF2_RX_LRCLK_2, 0x0 }, 202 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 }, 203 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 }, 204 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 }, 205 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 }, 206 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 }, 207 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 }, 208 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 }, 209 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 }, 210 { WM8996_AIF2TX_TEST, 0x1 }, 211 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 }, 212 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 }, 213 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 }, 214 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 }, 215 { WM8996_DSP1_TX_FILTERS, 0x2000 }, 216 { WM8996_DSP1_RX_FILTERS_1, 0x200 }, 217 { WM8996_DSP1_RX_FILTERS_2, 0x10 }, 218 { WM8996_DSP1_DRC_1, 0x98 }, 219 { WM8996_DSP1_DRC_2, 0x845 }, 220 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 }, 221 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 }, 222 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca }, 223 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 }, 224 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 }, 225 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 }, 226 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 }, 227 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 }, 228 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 }, 229 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 }, 230 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 }, 231 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 }, 232 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 }, 233 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e }, 234 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 }, 235 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad }, 236 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 }, 237 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 }, 238 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 }, 239 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 }, 240 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 }, 241 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 }, 242 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 }, 243 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 }, 244 { WM8996_DSP2_TX_FILTERS, 0x2000 }, 245 { WM8996_DSP2_RX_FILTERS_1, 0x200 }, 246 { WM8996_DSP2_RX_FILTERS_2, 0x10 }, 247 { WM8996_DSP2_DRC_1, 0x98 }, 248 { WM8996_DSP2_DRC_2, 0x845 }, 249 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 }, 250 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 }, 251 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca }, 252 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 }, 253 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 }, 254 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 }, 255 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 }, 256 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 }, 257 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 }, 258 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 }, 259 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 }, 260 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 }, 261 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 }, 262 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e }, 263 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 }, 264 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad }, 265 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 }, 266 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 }, 267 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 }, 268 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 }, 269 { WM8996_DAC1_MIXER_VOLUMES, 0x0 }, 270 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 }, 271 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 }, 272 { WM8996_DAC2_MIXER_VOLUMES, 0x0 }, 273 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 }, 274 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 }, 275 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 }, 276 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 }, 277 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 }, 278 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 }, 279 { WM8996_DSP_TX_MIXER_SELECT, 0x0 }, 280 { WM8996_DAC_SOFTMUTE, 0x0 }, 281 { WM8996_OVERSAMPLING, 0xd }, 282 { WM8996_SIDETONE, 0x1040 }, 283 { WM8996_GPIO_1, 0xa101 }, 284 { WM8996_GPIO_2, 0xa101 }, 285 { WM8996_GPIO_3, 0xa101 }, 286 { WM8996_GPIO_4, 0xa101 }, 287 { WM8996_GPIO_5, 0xa101 }, 288 { WM8996_PULL_CONTROL_1, 0x0 }, 289 { WM8996_PULL_CONTROL_2, 0x140 }, 290 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f }, 291 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf }, 292 { WM8996_LEFT_PDM_SPEAKER, 0x0 }, 293 { WM8996_RIGHT_PDM_SPEAKER, 0x1 }, 294 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 }, 295 { WM8996_PDM_SPEAKER_VOLUME, 0x66 }, 296 }; 297 298 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0); 299 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); 300 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); 301 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0); 302 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0); 303 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0); 304 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); 305 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1); 306 307 static const char *sidetone_hpf_text[] = { 308 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz" 309 }; 310 311 static SOC_ENUM_SINGLE_DECL(sidetone_hpf, 312 WM8996_SIDETONE, 7, sidetone_hpf_text); 313 314 static const char *hpf_mode_text[] = { 315 "HiFi", "Custom", "Voice" 316 }; 317 318 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode, 319 WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text); 320 321 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode, 322 WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text); 323 324 static const char *hpf_cutoff_text[] = { 325 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz" 326 }; 327 328 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff, 329 WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text); 330 331 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff, 332 WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text); 333 wm8996_set_retune_mobile(struct snd_soc_component * component,int block)334 static void wm8996_set_retune_mobile(struct snd_soc_component *component, int block) 335 { 336 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 337 struct wm8996_pdata *pdata = &wm8996->pdata; 338 int base, best, best_val, save, i, cfg, iface; 339 340 if (!wm8996->num_retune_mobile_texts) 341 return; 342 343 switch (block) { 344 case 0: 345 base = WM8996_DSP1_RX_EQ_GAINS_1; 346 if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) & 347 WM8996_DSP1RX_SRC) 348 iface = 1; 349 else 350 iface = 0; 351 break; 352 case 1: 353 base = WM8996_DSP1_RX_EQ_GAINS_2; 354 if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) & 355 WM8996_DSP2RX_SRC) 356 iface = 1; 357 else 358 iface = 0; 359 break; 360 default: 361 return; 362 } 363 364 /* Find the version of the currently selected configuration 365 * with the nearest sample rate. */ 366 cfg = wm8996->retune_mobile_cfg[block]; 367 best = 0; 368 best_val = INT_MAX; 369 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { 370 if (strcmp(pdata->retune_mobile_cfgs[i].name, 371 wm8996->retune_mobile_texts[cfg]) == 0 && 372 abs(pdata->retune_mobile_cfgs[i].rate 373 - wm8996->rx_rate[iface]) < best_val) { 374 best = i; 375 best_val = abs(pdata->retune_mobile_cfgs[i].rate 376 - wm8996->rx_rate[iface]); 377 } 378 } 379 380 dev_dbg(component->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n", 381 block, 382 pdata->retune_mobile_cfgs[best].name, 383 pdata->retune_mobile_cfgs[best].rate, 384 wm8996->rx_rate[iface]); 385 386 /* The EQ will be disabled while reconfiguring it, remember the 387 * current configuration. 388 */ 389 save = snd_soc_component_read(component, base); 390 save &= WM8996_DSP1RX_EQ_ENA; 391 392 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++) 393 snd_soc_component_update_bits(component, base + i, 0xffff, 394 pdata->retune_mobile_cfgs[best].regs[i]); 395 396 snd_soc_component_update_bits(component, base, WM8996_DSP1RX_EQ_ENA, save); 397 } 398 399 /* Icky as hell but saves code duplication */ wm8996_get_retune_mobile_block(const char * name)400 static int wm8996_get_retune_mobile_block(const char *name) 401 { 402 if (strcmp(name, "DSP1 EQ Mode") == 0) 403 return 0; 404 if (strcmp(name, "DSP2 EQ Mode") == 0) 405 return 1; 406 return -EINVAL; 407 } 408 wm8996_put_retune_mobile_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)409 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, 410 struct snd_ctl_elem_value *ucontrol) 411 { 412 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 413 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 414 struct wm8996_pdata *pdata = &wm8996->pdata; 415 int block = wm8996_get_retune_mobile_block(kcontrol->id.name); 416 int value = ucontrol->value.enumerated.item[0]; 417 418 if (block < 0) 419 return block; 420 421 if (value >= pdata->num_retune_mobile_cfgs) 422 return -EINVAL; 423 424 wm8996->retune_mobile_cfg[block] = value; 425 426 wm8996_set_retune_mobile(component, block); 427 428 return 0; 429 } 430 wm8996_get_retune_mobile_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)431 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, 432 struct snd_ctl_elem_value *ucontrol) 433 { 434 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 435 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 436 int block = wm8996_get_retune_mobile_block(kcontrol->id.name); 437 438 if (block < 0) 439 return block; 440 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block]; 441 442 return 0; 443 } 444 445 static const struct snd_kcontrol_new wm8996_snd_controls[] = { 446 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME, 447 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv), 448 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME, 449 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0), 450 451 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES, 452 0, 5, 24, 0, sidetone_tlv), 453 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES, 454 0, 5, 24, 0, sidetone_tlv), 455 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0), 456 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf), 457 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0), 458 459 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME, 460 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), 461 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME, 462 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv), 463 464 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS, 465 13, 1, 0), 466 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0), 467 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode), 468 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff), 469 470 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS, 471 13, 1, 0), 472 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0), 473 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode), 474 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff), 475 476 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME, 477 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 478 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1), 479 480 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME, 481 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 482 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1), 483 484 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME, 485 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 486 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME, 487 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1), 488 489 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME, 490 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv), 491 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME, 492 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1), 493 494 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0), 495 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0), 496 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0), 497 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0), 498 499 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0), 500 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0), 501 502 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0), 503 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0), 504 505 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15, 506 0, threedstereo_tlv), 507 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15, 508 0, threedstereo_tlv), 509 510 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4, 511 8, 0, out_digital_tlv), 512 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4, 513 8, 0, out_digital_tlv), 514 515 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME, 516 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv), 517 SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME, 518 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0), 519 520 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME, 521 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv), 522 SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME, 523 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0), 524 525 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0, 526 spk_tlv), 527 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER, 528 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1), 529 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER, 530 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0), 531 532 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0), 533 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0), 534 535 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0), 536 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0), 537 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0), 538 SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5, 539 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA | 540 WM8996_DSP1TXR_DRC_ENA), 541 542 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0), 543 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0), 544 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0), 545 SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5, 546 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA | 547 WM8996_DSP2TXR_DRC_ENA), 548 }; 549 550 static const struct snd_kcontrol_new wm8996_eq_controls[] = { 551 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0, 552 eq_tlv), 553 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0, 554 eq_tlv), 555 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0, 556 eq_tlv), 557 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0, 558 eq_tlv), 559 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0, 560 eq_tlv), 561 562 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0, 563 eq_tlv), 564 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0, 565 eq_tlv), 566 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0, 567 eq_tlv), 568 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0, 569 eq_tlv), 570 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0, 571 eq_tlv), 572 }; 573 wm8996_bg_enable(struct snd_soc_component * component)574 static void wm8996_bg_enable(struct snd_soc_component *component) 575 { 576 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 577 578 wm8996->bg_ena++; 579 if (wm8996->bg_ena == 1) { 580 snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1, 581 WM8996_BG_ENA, WM8996_BG_ENA); 582 msleep(2); 583 } 584 } 585 wm8996_bg_disable(struct snd_soc_component * component)586 static void wm8996_bg_disable(struct snd_soc_component *component) 587 { 588 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 589 590 wm8996->bg_ena--; 591 if (!wm8996->bg_ena) 592 snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1, 593 WM8996_BG_ENA, 0); 594 } 595 bg_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)596 static int bg_event(struct snd_soc_dapm_widget *w, 597 struct snd_kcontrol *kcontrol, int event) 598 { 599 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 600 int ret = 0; 601 602 switch (event) { 603 case SND_SOC_DAPM_PRE_PMU: 604 wm8996_bg_enable(component); 605 break; 606 case SND_SOC_DAPM_POST_PMD: 607 wm8996_bg_disable(component); 608 break; 609 default: 610 WARN(1, "Invalid event %d\n", event); 611 ret = -EINVAL; 612 } 613 614 return ret; 615 } 616 cp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)617 static int cp_event(struct snd_soc_dapm_widget *w, 618 struct snd_kcontrol *kcontrol, int event) 619 { 620 switch (event) { 621 case SND_SOC_DAPM_POST_PMU: 622 msleep(5); 623 break; 624 default: 625 WARN(1, "Invalid event %d\n", event); 626 } 627 628 return 0; 629 } 630 rmv_short_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)631 static int rmv_short_event(struct snd_soc_dapm_widget *w, 632 struct snd_kcontrol *kcontrol, int event) 633 { 634 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 635 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 636 637 /* Record which outputs we enabled */ 638 switch (event) { 639 case SND_SOC_DAPM_PRE_PMD: 640 wm8996->hpout_pending &= ~w->shift; 641 break; 642 case SND_SOC_DAPM_PRE_PMU: 643 wm8996->hpout_pending |= w->shift; 644 break; 645 default: 646 WARN(1, "Invalid event %d\n", event); 647 return -EINVAL; 648 } 649 650 return 0; 651 } 652 wait_for_dc_servo(struct snd_soc_component * component,u16 mask)653 static void wait_for_dc_servo(struct snd_soc_component *component, u16 mask) 654 { 655 struct i2c_client *i2c = to_i2c_client(component->dev); 656 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 657 int ret; 658 unsigned long timeout = 200; 659 660 snd_soc_component_write(component, WM8996_DC_SERVO_2, mask); 661 662 /* Use the interrupt if possible */ 663 do { 664 if (i2c->irq) { 665 timeout = wait_for_completion_timeout(&wm8996->dcs_done, 666 msecs_to_jiffies(200)); 667 if (timeout == 0) 668 dev_err(component->dev, "DC servo timed out\n"); 669 670 } else { 671 msleep(1); 672 timeout--; 673 } 674 675 ret = snd_soc_component_read(component, WM8996_DC_SERVO_2); 676 dev_dbg(component->dev, "DC servo state: %x\n", ret); 677 } while (timeout && ret & mask); 678 679 if (timeout == 0) 680 dev_err(component->dev, "DC servo timed out for %x\n", mask); 681 else 682 dev_dbg(component->dev, "DC servo complete for %x\n", mask); 683 } 684 wm8996_seq_notifier(struct snd_soc_component * component,enum snd_soc_dapm_type event,int subseq)685 static void wm8996_seq_notifier(struct snd_soc_component *component, 686 enum snd_soc_dapm_type event, int subseq) 687 { 688 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 689 u16 val, mask; 690 691 /* Complete any pending DC servo starts */ 692 if (wm8996->dcs_pending) { 693 dev_dbg(component->dev, "Starting DC servo for %x\n", 694 wm8996->dcs_pending); 695 696 /* Trigger a startup sequence */ 697 wait_for_dc_servo(component, wm8996->dcs_pending 698 << WM8996_DCS_TRIG_STARTUP_0_SHIFT); 699 700 wm8996->dcs_pending = 0; 701 } 702 703 if (wm8996->hpout_pending != wm8996->hpout_ena) { 704 dev_dbg(component->dev, "Applying RMV_SHORTs %x->%x\n", 705 wm8996->hpout_ena, wm8996->hpout_pending); 706 707 val = 0; 708 mask = 0; 709 if (wm8996->hpout_pending & HPOUT1L) { 710 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP; 711 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP; 712 } else { 713 mask |= WM8996_HPOUT1L_RMV_SHORT | 714 WM8996_HPOUT1L_OUTP | 715 WM8996_HPOUT1L_DLY; 716 } 717 718 if (wm8996->hpout_pending & HPOUT1R) { 719 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP; 720 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP; 721 } else { 722 mask |= WM8996_HPOUT1R_RMV_SHORT | 723 WM8996_HPOUT1R_OUTP | 724 WM8996_HPOUT1R_DLY; 725 } 726 727 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, mask, val); 728 729 val = 0; 730 mask = 0; 731 if (wm8996->hpout_pending & HPOUT2L) { 732 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP; 733 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP; 734 } else { 735 mask |= WM8996_HPOUT2L_RMV_SHORT | 736 WM8996_HPOUT2L_OUTP | 737 WM8996_HPOUT2L_DLY; 738 } 739 740 if (wm8996->hpout_pending & HPOUT2R) { 741 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP; 742 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP; 743 } else { 744 mask |= WM8996_HPOUT2R_RMV_SHORT | 745 WM8996_HPOUT2R_OUTP | 746 WM8996_HPOUT2R_DLY; 747 } 748 749 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_2, mask, val); 750 751 wm8996->hpout_ena = wm8996->hpout_pending; 752 } 753 } 754 dcs_start(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)755 static int dcs_start(struct snd_soc_dapm_widget *w, 756 struct snd_kcontrol *kcontrol, int event) 757 { 758 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 759 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 760 761 switch (event) { 762 case SND_SOC_DAPM_POST_PMU: 763 wm8996->dcs_pending |= 1 << w->shift; 764 break; 765 default: 766 WARN(1, "Invalid event %d\n", event); 767 return -EINVAL; 768 } 769 770 return 0; 771 } 772 773 static const char *sidetone_text[] = { 774 "IN1", "IN2", 775 }; 776 777 static SOC_ENUM_SINGLE_DECL(left_sidetone_enum, 778 WM8996_SIDETONE, 0, sidetone_text); 779 780 static const struct snd_kcontrol_new left_sidetone = 781 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum); 782 783 static SOC_ENUM_SINGLE_DECL(right_sidetone_enum, 784 WM8996_SIDETONE, 1, sidetone_text); 785 786 static const struct snd_kcontrol_new right_sidetone = 787 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum); 788 789 static const char *spk_text[] = { 790 "DAC1L", "DAC1R", "DAC2L", "DAC2R" 791 }; 792 793 static SOC_ENUM_SINGLE_DECL(spkl_enum, 794 WM8996_LEFT_PDM_SPEAKER, 0, spk_text); 795 796 static const struct snd_kcontrol_new spkl_mux = 797 SOC_DAPM_ENUM("SPKL", spkl_enum); 798 799 static SOC_ENUM_SINGLE_DECL(spkr_enum, 800 WM8996_RIGHT_PDM_SPEAKER, 0, spk_text); 801 802 static const struct snd_kcontrol_new spkr_mux = 803 SOC_DAPM_ENUM("SPKR", spkr_enum); 804 805 static const char *dsp1rx_text[] = { 806 "AIF1", "AIF2" 807 }; 808 809 static SOC_ENUM_SINGLE_DECL(dsp1rx_enum, 810 WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text); 811 812 static const struct snd_kcontrol_new dsp1rx = 813 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum); 814 815 static const char *dsp2rx_text[] = { 816 "AIF2", "AIF1" 817 }; 818 819 static SOC_ENUM_SINGLE_DECL(dsp2rx_enum, 820 WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text); 821 822 static const struct snd_kcontrol_new dsp2rx = 823 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum); 824 825 static const char *aif2tx_text[] = { 826 "DSP2", "DSP1", "AIF1" 827 }; 828 829 static SOC_ENUM_SINGLE_DECL(aif2tx_enum, 830 WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text); 831 832 static const struct snd_kcontrol_new aif2tx = 833 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum); 834 835 static const char *inmux_text[] = { 836 "ADC", "DMIC1", "DMIC2" 837 }; 838 839 static SOC_ENUM_SINGLE_DECL(in1_enum, 840 WM8996_POWER_MANAGEMENT_7, 0, inmux_text); 841 842 static const struct snd_kcontrol_new in1_mux = 843 SOC_DAPM_ENUM("IN1 Mux", in1_enum); 844 845 static SOC_ENUM_SINGLE_DECL(in2_enum, 846 WM8996_POWER_MANAGEMENT_7, 4, inmux_text); 847 848 static const struct snd_kcontrol_new in2_mux = 849 SOC_DAPM_ENUM("IN2 Mux", in2_enum); 850 851 static const struct snd_kcontrol_new dac2r_mix[] = { 852 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 853 5, 1, 0), 854 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 855 4, 1, 0), 856 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0), 857 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0), 858 }; 859 860 static const struct snd_kcontrol_new dac2l_mix[] = { 861 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 862 5, 1, 0), 863 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 864 4, 1, 0), 865 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0), 866 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0), 867 }; 868 869 static const struct snd_kcontrol_new dac1r_mix[] = { 870 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 871 5, 1, 0), 872 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 873 4, 1, 0), 874 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0), 875 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0), 876 }; 877 878 static const struct snd_kcontrol_new dac1l_mix[] = { 879 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 880 5, 1, 0), 881 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 882 4, 1, 0), 883 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0), 884 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0), 885 }; 886 887 static const struct snd_kcontrol_new dsp1txl[] = { 888 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 889 1, 1, 0), 890 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 891 0, 1, 0), 892 }; 893 894 static const struct snd_kcontrol_new dsp1txr[] = { 895 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 896 1, 1, 0), 897 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 898 0, 1, 0), 899 }; 900 901 static const struct snd_kcontrol_new dsp2txl[] = { 902 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 903 1, 1, 0), 904 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 905 0, 1, 0), 906 }; 907 908 static const struct snd_kcontrol_new dsp2txr[] = { 909 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 910 1, 1, 0), 911 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 912 0, 1, 0), 913 }; 914 915 916 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = { 917 SND_SOC_DAPM_INPUT("IN1LN"), 918 SND_SOC_DAPM_INPUT("IN1LP"), 919 SND_SOC_DAPM_INPUT("IN1RN"), 920 SND_SOC_DAPM_INPUT("IN1RP"), 921 922 SND_SOC_DAPM_INPUT("IN2LN"), 923 SND_SOC_DAPM_INPUT("IN2LP"), 924 SND_SOC_DAPM_INPUT("IN2RN"), 925 SND_SOC_DAPM_INPUT("IN2RP"), 926 927 SND_SOC_DAPM_INPUT("DMIC1DAT"), 928 SND_SOC_DAPM_INPUT("DMIC2DAT"), 929 930 SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0), 931 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0), 932 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0), 933 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0), 934 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event, 935 SND_SOC_DAPM_POST_PMU), 936 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event, 937 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 938 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0), 939 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0), 940 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0), 941 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0), 942 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0), 943 944 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0), 945 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0), 946 947 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux), 948 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux), 949 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux), 950 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux), 951 952 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0), 953 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0), 954 955 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0), 956 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0), 957 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0), 958 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0), 959 960 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0), 961 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0), 962 963 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone), 964 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone), 965 966 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0), 967 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0), 968 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0), 969 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0), 970 971 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0, 972 dsp2txl, ARRAY_SIZE(dsp2txl)), 973 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0, 974 dsp2txr, ARRAY_SIZE(dsp2txr)), 975 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0, 976 dsp1txl, ARRAY_SIZE(dsp1txl)), 977 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0, 978 dsp1txr, ARRAY_SIZE(dsp1txr)), 979 980 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0, 981 dac2l_mix, ARRAY_SIZE(dac2l_mix)), 982 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0, 983 dac2r_mix, ARRAY_SIZE(dac2r_mix)), 984 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, 985 dac1l_mix, ARRAY_SIZE(dac1l_mix)), 986 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, 987 dac1r_mix, ARRAY_SIZE(dac1r_mix)), 988 989 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0), 990 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0), 991 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0), 992 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0), 993 994 SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0), 995 SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0), 996 997 SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0), 998 SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0), 999 1000 SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0), 1001 SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0), 1002 SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0), 1003 SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0), 1004 SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0), 1005 SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0), 1006 1007 SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0), 1008 SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0), 1009 SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0), 1010 SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0), 1011 SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0), 1012 SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0), 1013 1014 /* We route as stereo pairs so define some dummy widgets to squash 1015 * things down for now. RXA = 0,1, RXB = 2,3 and so on */ 1016 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0), 1017 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0), 1018 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0), 1019 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0), 1020 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0), 1021 1022 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx), 1023 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx), 1024 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx), 1025 1026 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux), 1027 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux), 1028 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0), 1029 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0), 1030 1031 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0), 1032 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0), 1033 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start, 1034 SND_SOC_DAPM_POST_PMU), 1035 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0, 1036 rmv_short_event, 1037 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1038 1039 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0), 1040 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0), 1041 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start, 1042 SND_SOC_DAPM_POST_PMU), 1043 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0, 1044 rmv_short_event, 1045 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1046 1047 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0), 1048 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0), 1049 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start, 1050 SND_SOC_DAPM_POST_PMU), 1051 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0, 1052 rmv_short_event, 1053 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1054 1055 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0), 1056 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0), 1057 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start, 1058 SND_SOC_DAPM_POST_PMU), 1059 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0, 1060 rmv_short_event, 1061 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1062 1063 SND_SOC_DAPM_OUTPUT("HPOUT1L"), 1064 SND_SOC_DAPM_OUTPUT("HPOUT1R"), 1065 SND_SOC_DAPM_OUTPUT("HPOUT2L"), 1066 SND_SOC_DAPM_OUTPUT("HPOUT2R"), 1067 SND_SOC_DAPM_OUTPUT("SPKDAT"), 1068 }; 1069 1070 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = { 1071 { "AIFCLK", NULL, "SYSCLK" }, 1072 { "SYSDSPCLK", NULL, "SYSCLK" }, 1073 { "Charge Pump", NULL, "SYSCLK" }, 1074 { "Charge Pump", NULL, "CPVDD" }, 1075 1076 { "MICB1", NULL, "LDO2" }, 1077 { "MICB1", NULL, "MICB1 Audio" }, 1078 { "MICB1", NULL, "Bandgap" }, 1079 { "MICB2", NULL, "LDO2" }, 1080 { "MICB2", NULL, "MICB2 Audio" }, 1081 { "MICB2", NULL, "Bandgap" }, 1082 1083 { "AIF1RX0", NULL, "AIF1 Playback" }, 1084 { "AIF1RX1", NULL, "AIF1 Playback" }, 1085 { "AIF1RX2", NULL, "AIF1 Playback" }, 1086 { "AIF1RX3", NULL, "AIF1 Playback" }, 1087 { "AIF1RX4", NULL, "AIF1 Playback" }, 1088 { "AIF1RX5", NULL, "AIF1 Playback" }, 1089 1090 { "AIF2RX0", NULL, "AIF2 Playback" }, 1091 { "AIF2RX1", NULL, "AIF2 Playback" }, 1092 1093 { "AIF1 Capture", NULL, "AIF1TX0" }, 1094 { "AIF1 Capture", NULL, "AIF1TX1" }, 1095 { "AIF1 Capture", NULL, "AIF1TX2" }, 1096 { "AIF1 Capture", NULL, "AIF1TX3" }, 1097 { "AIF1 Capture", NULL, "AIF1TX4" }, 1098 { "AIF1 Capture", NULL, "AIF1TX5" }, 1099 1100 { "AIF2 Capture", NULL, "AIF2TX0" }, 1101 { "AIF2 Capture", NULL, "AIF2TX1" }, 1102 1103 { "IN1L PGA", NULL, "IN2LN" }, 1104 { "IN1L PGA", NULL, "IN2LP" }, 1105 { "IN1L PGA", NULL, "IN1LN" }, 1106 { "IN1L PGA", NULL, "IN1LP" }, 1107 { "IN1L PGA", NULL, "Bandgap" }, 1108 1109 { "IN1R PGA", NULL, "IN2RN" }, 1110 { "IN1R PGA", NULL, "IN2RP" }, 1111 { "IN1R PGA", NULL, "IN1RN" }, 1112 { "IN1R PGA", NULL, "IN1RP" }, 1113 { "IN1R PGA", NULL, "Bandgap" }, 1114 1115 { "ADCL", NULL, "IN1L PGA" }, 1116 1117 { "ADCR", NULL, "IN1R PGA" }, 1118 1119 { "DMIC1L", NULL, "DMIC1DAT" }, 1120 { "DMIC1R", NULL, "DMIC1DAT" }, 1121 { "DMIC2L", NULL, "DMIC2DAT" }, 1122 { "DMIC2R", NULL, "DMIC2DAT" }, 1123 1124 { "DMIC2L", NULL, "DMIC2" }, 1125 { "DMIC2R", NULL, "DMIC2" }, 1126 { "DMIC1L", NULL, "DMIC1" }, 1127 { "DMIC1R", NULL, "DMIC1" }, 1128 1129 { "IN1L Mux", "ADC", "ADCL" }, 1130 { "IN1L Mux", "DMIC1", "DMIC1L" }, 1131 { "IN1L Mux", "DMIC2", "DMIC2L" }, 1132 1133 { "IN1R Mux", "ADC", "ADCR" }, 1134 { "IN1R Mux", "DMIC1", "DMIC1R" }, 1135 { "IN1R Mux", "DMIC2", "DMIC2R" }, 1136 1137 { "IN2L Mux", "ADC", "ADCL" }, 1138 { "IN2L Mux", "DMIC1", "DMIC1L" }, 1139 { "IN2L Mux", "DMIC2", "DMIC2L" }, 1140 1141 { "IN2R Mux", "ADC", "ADCR" }, 1142 { "IN2R Mux", "DMIC1", "DMIC1R" }, 1143 { "IN2R Mux", "DMIC2", "DMIC2R" }, 1144 1145 { "Left Sidetone", "IN1", "IN1L Mux" }, 1146 { "Left Sidetone", "IN2", "IN2L Mux" }, 1147 1148 { "Right Sidetone", "IN1", "IN1R Mux" }, 1149 { "Right Sidetone", "IN2", "IN2R Mux" }, 1150 1151 { "DSP1TXL", "IN1 Switch", "IN1L Mux" }, 1152 { "DSP1TXR", "IN1 Switch", "IN1R Mux" }, 1153 1154 { "DSP2TXL", "IN1 Switch", "IN2L Mux" }, 1155 { "DSP2TXR", "IN1 Switch", "IN2R Mux" }, 1156 1157 { "AIF1TX0", NULL, "DSP1TXL" }, 1158 { "AIF1TX1", NULL, "DSP1TXR" }, 1159 { "AIF1TX2", NULL, "DSP2TXL" }, 1160 { "AIF1TX3", NULL, "DSP2TXR" }, 1161 { "AIF1TX4", NULL, "AIF2RX0" }, 1162 { "AIF1TX5", NULL, "AIF2RX1" }, 1163 1164 { "AIF1RX0", NULL, "AIFCLK" }, 1165 { "AIF1RX1", NULL, "AIFCLK" }, 1166 { "AIF1RX2", NULL, "AIFCLK" }, 1167 { "AIF1RX3", NULL, "AIFCLK" }, 1168 { "AIF1RX4", NULL, "AIFCLK" }, 1169 { "AIF1RX5", NULL, "AIFCLK" }, 1170 1171 { "AIF2RX0", NULL, "AIFCLK" }, 1172 { "AIF2RX1", NULL, "AIFCLK" }, 1173 1174 { "AIF1TX0", NULL, "AIFCLK" }, 1175 { "AIF1TX1", NULL, "AIFCLK" }, 1176 { "AIF1TX2", NULL, "AIFCLK" }, 1177 { "AIF1TX3", NULL, "AIFCLK" }, 1178 { "AIF1TX4", NULL, "AIFCLK" }, 1179 { "AIF1TX5", NULL, "AIFCLK" }, 1180 1181 { "AIF2TX0", NULL, "AIFCLK" }, 1182 { "AIF2TX1", NULL, "AIFCLK" }, 1183 1184 { "DSP1RXL", NULL, "SYSDSPCLK" }, 1185 { "DSP1RXR", NULL, "SYSDSPCLK" }, 1186 { "DSP2RXL", NULL, "SYSDSPCLK" }, 1187 { "DSP2RXR", NULL, "SYSDSPCLK" }, 1188 { "DSP1TXL", NULL, "SYSDSPCLK" }, 1189 { "DSP1TXR", NULL, "SYSDSPCLK" }, 1190 { "DSP2TXL", NULL, "SYSDSPCLK" }, 1191 { "DSP2TXR", NULL, "SYSDSPCLK" }, 1192 1193 { "AIF1RXA", NULL, "AIF1RX0" }, 1194 { "AIF1RXA", NULL, "AIF1RX1" }, 1195 { "AIF1RXB", NULL, "AIF1RX2" }, 1196 { "AIF1RXB", NULL, "AIF1RX3" }, 1197 { "AIF1RXC", NULL, "AIF1RX4" }, 1198 { "AIF1RXC", NULL, "AIF1RX5" }, 1199 1200 { "AIF2RX", NULL, "AIF2RX0" }, 1201 { "AIF2RX", NULL, "AIF2RX1" }, 1202 1203 { "AIF2TX", "DSP2", "DSP2TX" }, 1204 { "AIF2TX", "DSP1", "DSP1RX" }, 1205 { "AIF2TX", "AIF1", "AIF1RXC" }, 1206 1207 { "DSP1RXL", NULL, "DSP1RX" }, 1208 { "DSP1RXR", NULL, "DSP1RX" }, 1209 { "DSP2RXL", NULL, "DSP2RX" }, 1210 { "DSP2RXR", NULL, "DSP2RX" }, 1211 1212 { "DSP2TX", NULL, "DSP2TXL" }, 1213 { "DSP2TX", NULL, "DSP2TXR" }, 1214 1215 { "DSP1RX", "AIF1", "AIF1RXA" }, 1216 { "DSP1RX", "AIF2", "AIF2RX" }, 1217 1218 { "DSP2RX", "AIF1", "AIF1RXB" }, 1219 { "DSP2RX", "AIF2", "AIF2RX" }, 1220 1221 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" }, 1222 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" }, 1223 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1224 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1225 1226 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" }, 1227 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" }, 1228 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1229 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1230 1231 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" }, 1232 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" }, 1233 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1234 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1235 1236 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" }, 1237 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" }, 1238 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1239 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1240 1241 { "DAC1L", NULL, "DAC1L Mixer" }, 1242 { "DAC1R", NULL, "DAC1R Mixer" }, 1243 { "DAC2L", NULL, "DAC2L Mixer" }, 1244 { "DAC2R", NULL, "DAC2R Mixer" }, 1245 1246 { "HPOUT2L PGA", NULL, "Charge Pump" }, 1247 { "HPOUT2L PGA", NULL, "Bandgap" }, 1248 { "HPOUT2L PGA", NULL, "DAC2L" }, 1249 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" }, 1250 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" }, 1251 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" }, 1252 1253 { "HPOUT2R PGA", NULL, "Charge Pump" }, 1254 { "HPOUT2R PGA", NULL, "Bandgap" }, 1255 { "HPOUT2R PGA", NULL, "DAC2R" }, 1256 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" }, 1257 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" }, 1258 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" }, 1259 1260 { "HPOUT1L PGA", NULL, "Charge Pump" }, 1261 { "HPOUT1L PGA", NULL, "Bandgap" }, 1262 { "HPOUT1L PGA", NULL, "DAC1L" }, 1263 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" }, 1264 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" }, 1265 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" }, 1266 1267 { "HPOUT1R PGA", NULL, "Charge Pump" }, 1268 { "HPOUT1R PGA", NULL, "Bandgap" }, 1269 { "HPOUT1R PGA", NULL, "DAC1R" }, 1270 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" }, 1271 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" }, 1272 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" }, 1273 1274 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" }, 1275 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" }, 1276 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" }, 1277 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" }, 1278 1279 { "SPKL", "DAC1L", "DAC1L" }, 1280 { "SPKL", "DAC1R", "DAC1R" }, 1281 { "SPKL", "DAC2L", "DAC2L" }, 1282 { "SPKL", "DAC2R", "DAC2R" }, 1283 1284 { "SPKR", "DAC1L", "DAC1L" }, 1285 { "SPKR", "DAC1R", "DAC1R" }, 1286 { "SPKR", "DAC2L", "DAC2L" }, 1287 { "SPKR", "DAC2R", "DAC2R" }, 1288 1289 { "SPKL PGA", NULL, "SPKL" }, 1290 { "SPKR PGA", NULL, "SPKR" }, 1291 1292 { "SPKDAT", NULL, "SPKL PGA" }, 1293 { "SPKDAT", NULL, "SPKR PGA" }, 1294 }; 1295 wm8996_readable_register(struct device * dev,unsigned int reg)1296 static bool wm8996_readable_register(struct device *dev, unsigned int reg) 1297 { 1298 /* Due to the sparseness of the register map the compiler 1299 * output from an explicit switch statement ends up being much 1300 * more efficient than a table. 1301 */ 1302 switch (reg) { 1303 case WM8996_SOFTWARE_RESET: 1304 case WM8996_POWER_MANAGEMENT_1: 1305 case WM8996_POWER_MANAGEMENT_2: 1306 case WM8996_POWER_MANAGEMENT_3: 1307 case WM8996_POWER_MANAGEMENT_4: 1308 case WM8996_POWER_MANAGEMENT_5: 1309 case WM8996_POWER_MANAGEMENT_6: 1310 case WM8996_POWER_MANAGEMENT_7: 1311 case WM8996_POWER_MANAGEMENT_8: 1312 case WM8996_LEFT_LINE_INPUT_VOLUME: 1313 case WM8996_RIGHT_LINE_INPUT_VOLUME: 1314 case WM8996_LINE_INPUT_CONTROL: 1315 case WM8996_DAC1_HPOUT1_VOLUME: 1316 case WM8996_DAC2_HPOUT2_VOLUME: 1317 case WM8996_DAC1_LEFT_VOLUME: 1318 case WM8996_DAC1_RIGHT_VOLUME: 1319 case WM8996_DAC2_LEFT_VOLUME: 1320 case WM8996_DAC2_RIGHT_VOLUME: 1321 case WM8996_OUTPUT1_LEFT_VOLUME: 1322 case WM8996_OUTPUT1_RIGHT_VOLUME: 1323 case WM8996_OUTPUT2_LEFT_VOLUME: 1324 case WM8996_OUTPUT2_RIGHT_VOLUME: 1325 case WM8996_MICBIAS_1: 1326 case WM8996_MICBIAS_2: 1327 case WM8996_LDO_1: 1328 case WM8996_LDO_2: 1329 case WM8996_ACCESSORY_DETECT_MODE_1: 1330 case WM8996_ACCESSORY_DETECT_MODE_2: 1331 case WM8996_HEADPHONE_DETECT_1: 1332 case WM8996_HEADPHONE_DETECT_2: 1333 case WM8996_MIC_DETECT_1: 1334 case WM8996_MIC_DETECT_2: 1335 case WM8996_MIC_DETECT_3: 1336 case WM8996_CHARGE_PUMP_1: 1337 case WM8996_CHARGE_PUMP_2: 1338 case WM8996_DC_SERVO_1: 1339 case WM8996_DC_SERVO_2: 1340 case WM8996_DC_SERVO_3: 1341 case WM8996_DC_SERVO_5: 1342 case WM8996_DC_SERVO_6: 1343 case WM8996_DC_SERVO_7: 1344 case WM8996_DC_SERVO_READBACK_0: 1345 case WM8996_ANALOGUE_HP_1: 1346 case WM8996_ANALOGUE_HP_2: 1347 case WM8996_CHIP_REVISION: 1348 case WM8996_CONTROL_INTERFACE_1: 1349 case WM8996_WRITE_SEQUENCER_CTRL_1: 1350 case WM8996_WRITE_SEQUENCER_CTRL_2: 1351 case WM8996_AIF_CLOCKING_1: 1352 case WM8996_AIF_CLOCKING_2: 1353 case WM8996_CLOCKING_1: 1354 case WM8996_CLOCKING_2: 1355 case WM8996_AIF_RATE: 1356 case WM8996_FLL_CONTROL_1: 1357 case WM8996_FLL_CONTROL_2: 1358 case WM8996_FLL_CONTROL_3: 1359 case WM8996_FLL_CONTROL_4: 1360 case WM8996_FLL_CONTROL_5: 1361 case WM8996_FLL_CONTROL_6: 1362 case WM8996_FLL_EFS_1: 1363 case WM8996_FLL_EFS_2: 1364 case WM8996_AIF1_CONTROL: 1365 case WM8996_AIF1_BCLK: 1366 case WM8996_AIF1_TX_LRCLK_1: 1367 case WM8996_AIF1_TX_LRCLK_2: 1368 case WM8996_AIF1_RX_LRCLK_1: 1369 case WM8996_AIF1_RX_LRCLK_2: 1370 case WM8996_AIF1TX_DATA_CONFIGURATION_1: 1371 case WM8996_AIF1TX_DATA_CONFIGURATION_2: 1372 case WM8996_AIF1RX_DATA_CONFIGURATION: 1373 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION: 1374 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION: 1375 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION: 1376 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION: 1377 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION: 1378 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION: 1379 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION: 1380 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION: 1381 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION: 1382 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION: 1383 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION: 1384 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION: 1385 case WM8996_AIF1RX_MONO_CONFIGURATION: 1386 case WM8996_AIF1TX_TEST: 1387 case WM8996_AIF2_CONTROL: 1388 case WM8996_AIF2_BCLK: 1389 case WM8996_AIF2_TX_LRCLK_1: 1390 case WM8996_AIF2_TX_LRCLK_2: 1391 case WM8996_AIF2_RX_LRCLK_1: 1392 case WM8996_AIF2_RX_LRCLK_2: 1393 case WM8996_AIF2TX_DATA_CONFIGURATION_1: 1394 case WM8996_AIF2TX_DATA_CONFIGURATION_2: 1395 case WM8996_AIF2RX_DATA_CONFIGURATION: 1396 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION: 1397 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION: 1398 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION: 1399 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION: 1400 case WM8996_AIF2RX_MONO_CONFIGURATION: 1401 case WM8996_AIF2TX_TEST: 1402 case WM8996_DSP1_TX_LEFT_VOLUME: 1403 case WM8996_DSP1_TX_RIGHT_VOLUME: 1404 case WM8996_DSP1_RX_LEFT_VOLUME: 1405 case WM8996_DSP1_RX_RIGHT_VOLUME: 1406 case WM8996_DSP1_TX_FILTERS: 1407 case WM8996_DSP1_RX_FILTERS_1: 1408 case WM8996_DSP1_RX_FILTERS_2: 1409 case WM8996_DSP1_DRC_1: 1410 case WM8996_DSP1_DRC_2: 1411 case WM8996_DSP1_DRC_3: 1412 case WM8996_DSP1_DRC_4: 1413 case WM8996_DSP1_DRC_5: 1414 case WM8996_DSP1_RX_EQ_GAINS_1: 1415 case WM8996_DSP1_RX_EQ_GAINS_2: 1416 case WM8996_DSP1_RX_EQ_BAND_1_A: 1417 case WM8996_DSP1_RX_EQ_BAND_1_B: 1418 case WM8996_DSP1_RX_EQ_BAND_1_PG: 1419 case WM8996_DSP1_RX_EQ_BAND_2_A: 1420 case WM8996_DSP1_RX_EQ_BAND_2_B: 1421 case WM8996_DSP1_RX_EQ_BAND_2_C: 1422 case WM8996_DSP1_RX_EQ_BAND_2_PG: 1423 case WM8996_DSP1_RX_EQ_BAND_3_A: 1424 case WM8996_DSP1_RX_EQ_BAND_3_B: 1425 case WM8996_DSP1_RX_EQ_BAND_3_C: 1426 case WM8996_DSP1_RX_EQ_BAND_3_PG: 1427 case WM8996_DSP1_RX_EQ_BAND_4_A: 1428 case WM8996_DSP1_RX_EQ_BAND_4_B: 1429 case WM8996_DSP1_RX_EQ_BAND_4_C: 1430 case WM8996_DSP1_RX_EQ_BAND_4_PG: 1431 case WM8996_DSP1_RX_EQ_BAND_5_A: 1432 case WM8996_DSP1_RX_EQ_BAND_5_B: 1433 case WM8996_DSP1_RX_EQ_BAND_5_PG: 1434 case WM8996_DSP2_TX_LEFT_VOLUME: 1435 case WM8996_DSP2_TX_RIGHT_VOLUME: 1436 case WM8996_DSP2_RX_LEFT_VOLUME: 1437 case WM8996_DSP2_RX_RIGHT_VOLUME: 1438 case WM8996_DSP2_TX_FILTERS: 1439 case WM8996_DSP2_RX_FILTERS_1: 1440 case WM8996_DSP2_RX_FILTERS_2: 1441 case WM8996_DSP2_DRC_1: 1442 case WM8996_DSP2_DRC_2: 1443 case WM8996_DSP2_DRC_3: 1444 case WM8996_DSP2_DRC_4: 1445 case WM8996_DSP2_DRC_5: 1446 case WM8996_DSP2_RX_EQ_GAINS_1: 1447 case WM8996_DSP2_RX_EQ_GAINS_2: 1448 case WM8996_DSP2_RX_EQ_BAND_1_A: 1449 case WM8996_DSP2_RX_EQ_BAND_1_B: 1450 case WM8996_DSP2_RX_EQ_BAND_1_PG: 1451 case WM8996_DSP2_RX_EQ_BAND_2_A: 1452 case WM8996_DSP2_RX_EQ_BAND_2_B: 1453 case WM8996_DSP2_RX_EQ_BAND_2_C: 1454 case WM8996_DSP2_RX_EQ_BAND_2_PG: 1455 case WM8996_DSP2_RX_EQ_BAND_3_A: 1456 case WM8996_DSP2_RX_EQ_BAND_3_B: 1457 case WM8996_DSP2_RX_EQ_BAND_3_C: 1458 case WM8996_DSP2_RX_EQ_BAND_3_PG: 1459 case WM8996_DSP2_RX_EQ_BAND_4_A: 1460 case WM8996_DSP2_RX_EQ_BAND_4_B: 1461 case WM8996_DSP2_RX_EQ_BAND_4_C: 1462 case WM8996_DSP2_RX_EQ_BAND_4_PG: 1463 case WM8996_DSP2_RX_EQ_BAND_5_A: 1464 case WM8996_DSP2_RX_EQ_BAND_5_B: 1465 case WM8996_DSP2_RX_EQ_BAND_5_PG: 1466 case WM8996_DAC1_MIXER_VOLUMES: 1467 case WM8996_DAC1_LEFT_MIXER_ROUTING: 1468 case WM8996_DAC1_RIGHT_MIXER_ROUTING: 1469 case WM8996_DAC2_MIXER_VOLUMES: 1470 case WM8996_DAC2_LEFT_MIXER_ROUTING: 1471 case WM8996_DAC2_RIGHT_MIXER_ROUTING: 1472 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING: 1473 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING: 1474 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING: 1475 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING: 1476 case WM8996_DSP_TX_MIXER_SELECT: 1477 case WM8996_DAC_SOFTMUTE: 1478 case WM8996_OVERSAMPLING: 1479 case WM8996_SIDETONE: 1480 case WM8996_GPIO_1: 1481 case WM8996_GPIO_2: 1482 case WM8996_GPIO_3: 1483 case WM8996_GPIO_4: 1484 case WM8996_GPIO_5: 1485 case WM8996_PULL_CONTROL_1: 1486 case WM8996_PULL_CONTROL_2: 1487 case WM8996_INTERRUPT_STATUS_1: 1488 case WM8996_INTERRUPT_STATUS_2: 1489 case WM8996_INTERRUPT_RAW_STATUS_2: 1490 case WM8996_INTERRUPT_STATUS_1_MASK: 1491 case WM8996_INTERRUPT_STATUS_2_MASK: 1492 case WM8996_INTERRUPT_CONTROL: 1493 case WM8996_LEFT_PDM_SPEAKER: 1494 case WM8996_RIGHT_PDM_SPEAKER: 1495 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE: 1496 case WM8996_PDM_SPEAKER_VOLUME: 1497 return true; 1498 default: 1499 return false; 1500 } 1501 } 1502 wm8996_volatile_register(struct device * dev,unsigned int reg)1503 static bool wm8996_volatile_register(struct device *dev, unsigned int reg) 1504 { 1505 switch (reg) { 1506 case WM8996_SOFTWARE_RESET: 1507 case WM8996_CHIP_REVISION: 1508 case WM8996_LDO_1: 1509 case WM8996_LDO_2: 1510 case WM8996_INTERRUPT_STATUS_1: 1511 case WM8996_INTERRUPT_STATUS_2: 1512 case WM8996_INTERRUPT_RAW_STATUS_2: 1513 case WM8996_DC_SERVO_READBACK_0: 1514 case WM8996_DC_SERVO_2: 1515 case WM8996_DC_SERVO_6: 1516 case WM8996_DC_SERVO_7: 1517 case WM8996_FLL_CONTROL_6: 1518 case WM8996_MIC_DETECT_3: 1519 case WM8996_HEADPHONE_DETECT_1: 1520 case WM8996_HEADPHONE_DETECT_2: 1521 return true; 1522 default: 1523 return false; 1524 } 1525 } 1526 1527 static const int bclk_divs[] = { 1528 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96 1529 }; 1530 wm8996_update_bclk(struct snd_soc_component * component)1531 static void wm8996_update_bclk(struct snd_soc_component *component) 1532 { 1533 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 1534 int aif, best, cur_val, bclk_rate, bclk_reg, i; 1535 1536 /* Don't bother if we're in a low frequency idle mode that 1537 * can't support audio. 1538 */ 1539 if (wm8996->sysclk < 64000) 1540 return; 1541 1542 for (aif = 0; aif < WM8996_AIFS; aif++) { 1543 switch (aif) { 1544 case 0: 1545 bclk_reg = WM8996_AIF1_BCLK; 1546 break; 1547 case 1: 1548 bclk_reg = WM8996_AIF2_BCLK; 1549 break; 1550 } 1551 1552 bclk_rate = wm8996->bclk_rate[aif]; 1553 1554 /* Pick a divisor for BCLK as close as we can get to ideal */ 1555 best = 0; 1556 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { 1557 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate; 1558 if (cur_val < 0) /* BCLK table is sorted */ 1559 break; 1560 best = i; 1561 } 1562 bclk_rate = wm8996->sysclk / bclk_divs[best]; 1563 dev_dbg(component->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n", 1564 bclk_divs[best], bclk_rate); 1565 1566 snd_soc_component_update_bits(component, bclk_reg, 1567 WM8996_AIF1_BCLK_DIV_MASK, best); 1568 } 1569 } 1570 wm8996_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)1571 static int wm8996_set_bias_level(struct snd_soc_component *component, 1572 enum snd_soc_bias_level level) 1573 { 1574 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 1575 int ret; 1576 1577 switch (level) { 1578 case SND_SOC_BIAS_ON: 1579 break; 1580 case SND_SOC_BIAS_PREPARE: 1581 /* Put the MICBIASes into regulating mode */ 1582 snd_soc_component_update_bits(component, WM8996_MICBIAS_1, 1583 WM8996_MICB1_MODE, 0); 1584 snd_soc_component_update_bits(component, WM8996_MICBIAS_2, 1585 WM8996_MICB2_MODE, 0); 1586 break; 1587 1588 case SND_SOC_BIAS_STANDBY: 1589 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1590 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies), 1591 wm8996->supplies); 1592 if (ret != 0) { 1593 dev_err(component->dev, 1594 "Failed to enable supplies: %d\n", 1595 ret); 1596 return ret; 1597 } 1598 1599 if (wm8996->pdata.ldo_ena >= 0) { 1600 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1601 1); 1602 msleep(5); 1603 } 1604 1605 regcache_cache_only(wm8996->regmap, false); 1606 regcache_sync(wm8996->regmap); 1607 } 1608 1609 /* Bypass the MICBIASes for lowest power */ 1610 snd_soc_component_update_bits(component, WM8996_MICBIAS_1, 1611 WM8996_MICB1_MODE, WM8996_MICB1_MODE); 1612 snd_soc_component_update_bits(component, WM8996_MICBIAS_2, 1613 WM8996_MICB2_MODE, WM8996_MICB2_MODE); 1614 break; 1615 1616 case SND_SOC_BIAS_OFF: 1617 regcache_cache_only(wm8996->regmap, true); 1618 if (wm8996->pdata.ldo_ena >= 0) { 1619 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 1620 regcache_cache_only(wm8996->regmap, true); 1621 } 1622 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), 1623 wm8996->supplies); 1624 break; 1625 } 1626 1627 return 0; 1628 } 1629 wm8996_set_fmt(struct snd_soc_dai * dai,unsigned int fmt)1630 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) 1631 { 1632 struct snd_soc_component *component = dai->component; 1633 int aifctrl = 0; 1634 int bclk = 0; 1635 int lrclk_tx = 0; 1636 int lrclk_rx = 0; 1637 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg; 1638 1639 switch (dai->id) { 1640 case 0: 1641 aifctrl_reg = WM8996_AIF1_CONTROL; 1642 bclk_reg = WM8996_AIF1_BCLK; 1643 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2; 1644 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2; 1645 break; 1646 case 1: 1647 aifctrl_reg = WM8996_AIF2_CONTROL; 1648 bclk_reg = WM8996_AIF2_BCLK; 1649 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2; 1650 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2; 1651 break; 1652 default: 1653 WARN(1, "Invalid dai id %d\n", dai->id); 1654 return -EINVAL; 1655 } 1656 1657 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1658 case SND_SOC_DAIFMT_NB_NF: 1659 break; 1660 case SND_SOC_DAIFMT_IB_NF: 1661 bclk |= WM8996_AIF1_BCLK_INV; 1662 break; 1663 case SND_SOC_DAIFMT_NB_IF: 1664 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV; 1665 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV; 1666 break; 1667 case SND_SOC_DAIFMT_IB_IF: 1668 bclk |= WM8996_AIF1_BCLK_INV; 1669 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV; 1670 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV; 1671 break; 1672 } 1673 1674 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1675 case SND_SOC_DAIFMT_CBS_CFS: 1676 break; 1677 case SND_SOC_DAIFMT_CBS_CFM: 1678 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR; 1679 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR; 1680 break; 1681 case SND_SOC_DAIFMT_CBM_CFS: 1682 bclk |= WM8996_AIF1_BCLK_MSTR; 1683 break; 1684 case SND_SOC_DAIFMT_CBM_CFM: 1685 bclk |= WM8996_AIF1_BCLK_MSTR; 1686 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR; 1687 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR; 1688 break; 1689 default: 1690 return -EINVAL; 1691 } 1692 1693 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1694 case SND_SOC_DAIFMT_DSP_A: 1695 break; 1696 case SND_SOC_DAIFMT_DSP_B: 1697 aifctrl |= 1; 1698 break; 1699 case SND_SOC_DAIFMT_I2S: 1700 aifctrl |= 2; 1701 break; 1702 case SND_SOC_DAIFMT_LEFT_J: 1703 aifctrl |= 3; 1704 break; 1705 default: 1706 return -EINVAL; 1707 } 1708 1709 snd_soc_component_update_bits(component, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl); 1710 snd_soc_component_update_bits(component, bclk_reg, 1711 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR, 1712 bclk); 1713 snd_soc_component_update_bits(component, lrclk_tx_reg, 1714 WM8996_AIF1TX_LRCLK_INV | 1715 WM8996_AIF1TX_LRCLK_MSTR, 1716 lrclk_tx); 1717 snd_soc_component_update_bits(component, lrclk_rx_reg, 1718 WM8996_AIF1RX_LRCLK_INV | 1719 WM8996_AIF1RX_LRCLK_MSTR, 1720 lrclk_rx); 1721 1722 return 0; 1723 } 1724 1725 static const int dsp_divs[] = { 1726 48000, 32000, 16000, 8000 1727 }; 1728 wm8996_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1729 static int wm8996_hw_params(struct snd_pcm_substream *substream, 1730 struct snd_pcm_hw_params *params, 1731 struct snd_soc_dai *dai) 1732 { 1733 struct snd_soc_component *component = dai->component; 1734 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 1735 int bits, i, bclk_rate, best; 1736 int aifdata = 0; 1737 int lrclk = 0; 1738 int dsp = 0; 1739 int aifdata_reg, lrclk_reg, dsp_shift; 1740 1741 switch (dai->id) { 1742 case 0: 1743 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || 1744 (snd_soc_component_read(component, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) { 1745 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION; 1746 lrclk_reg = WM8996_AIF1_RX_LRCLK_1; 1747 } else { 1748 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1; 1749 lrclk_reg = WM8996_AIF1_TX_LRCLK_1; 1750 } 1751 dsp_shift = 0; 1752 break; 1753 case 1: 1754 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK || 1755 (snd_soc_component_read(component, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) { 1756 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION; 1757 lrclk_reg = WM8996_AIF2_RX_LRCLK_1; 1758 } else { 1759 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1; 1760 lrclk_reg = WM8996_AIF2_TX_LRCLK_1; 1761 } 1762 dsp_shift = WM8996_DSP2_DIV_SHIFT; 1763 break; 1764 default: 1765 WARN(1, "Invalid dai id %d\n", dai->id); 1766 return -EINVAL; 1767 } 1768 1769 bclk_rate = snd_soc_params_to_bclk(params); 1770 if (bclk_rate < 0) { 1771 dev_err(component->dev, "Unsupported BCLK rate: %d\n", bclk_rate); 1772 return bclk_rate; 1773 } 1774 1775 wm8996->bclk_rate[dai->id] = bclk_rate; 1776 wm8996->rx_rate[dai->id] = params_rate(params); 1777 1778 /* Needs looking at for TDM */ 1779 bits = params_width(params); 1780 if (bits < 0) 1781 return bits; 1782 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits; 1783 1784 best = 0; 1785 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) { 1786 if (abs(dsp_divs[i] - params_rate(params)) < 1787 abs(dsp_divs[best] - params_rate(params))) 1788 best = i; 1789 } 1790 dsp |= i << dsp_shift; 1791 1792 wm8996_update_bclk(component); 1793 1794 lrclk = bclk_rate / params_rate(params); 1795 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n", 1796 lrclk, bclk_rate / lrclk); 1797 1798 snd_soc_component_update_bits(component, aifdata_reg, 1799 WM8996_AIF1TX_WL_MASK | 1800 WM8996_AIF1TX_SLOT_LEN_MASK, 1801 aifdata); 1802 snd_soc_component_update_bits(component, lrclk_reg, WM8996_AIF1RX_RATE_MASK, 1803 lrclk); 1804 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_2, 1805 WM8996_DSP1_DIV_MASK << dsp_shift, dsp); 1806 1807 return 0; 1808 } 1809 wm8996_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)1810 static int wm8996_set_sysclk(struct snd_soc_dai *dai, 1811 int clk_id, unsigned int freq, int dir) 1812 { 1813 struct snd_soc_component *component = dai->component; 1814 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 1815 int lfclk = 0; 1816 int ratediv = 0; 1817 int sync = WM8996_REG_SYNC; 1818 int src; 1819 int old; 1820 1821 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src) 1822 return 0; 1823 1824 /* Disable SYSCLK while we reconfigure */ 1825 old = snd_soc_component_read(component, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA; 1826 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1, 1827 WM8996_SYSCLK_ENA, 0); 1828 1829 switch (clk_id) { 1830 case WM8996_SYSCLK_MCLK1: 1831 wm8996->sysclk = freq; 1832 src = 0; 1833 break; 1834 case WM8996_SYSCLK_MCLK2: 1835 wm8996->sysclk = freq; 1836 src = 1; 1837 break; 1838 case WM8996_SYSCLK_FLL: 1839 wm8996->sysclk = freq; 1840 src = 2; 1841 break; 1842 default: 1843 dev_err(component->dev, "Unsupported clock source %d\n", clk_id); 1844 return -EINVAL; 1845 } 1846 1847 switch (wm8996->sysclk) { 1848 case 5644800: 1849 case 6144000: 1850 snd_soc_component_update_bits(component, WM8996_AIF_RATE, 1851 WM8996_SYSCLK_RATE, 0); 1852 break; 1853 case 22579200: 1854 case 24576000: 1855 ratediv = WM8996_SYSCLK_DIV; 1856 wm8996->sysclk /= 2; 1857 fallthrough; 1858 case 11289600: 1859 case 12288000: 1860 snd_soc_component_update_bits(component, WM8996_AIF_RATE, 1861 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE); 1862 break; 1863 case 32000: 1864 case 32768: 1865 lfclk = WM8996_LFCLK_ENA; 1866 sync = 0; 1867 break; 1868 default: 1869 dev_warn(component->dev, "Unsupported clock rate %dHz\n", 1870 wm8996->sysclk); 1871 return -EINVAL; 1872 } 1873 1874 wm8996_update_bclk(component); 1875 1876 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1, 1877 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK, 1878 src << WM8996_SYSCLK_SRC_SHIFT | ratediv); 1879 snd_soc_component_update_bits(component, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk); 1880 snd_soc_component_update_bits(component, WM8996_CONTROL_INTERFACE_1, 1881 WM8996_REG_SYNC, sync); 1882 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1, 1883 WM8996_SYSCLK_ENA, old); 1884 1885 wm8996->sysclk_src = clk_id; 1886 1887 return 0; 1888 } 1889 1890 struct _fll_div { 1891 u16 fll_fratio; 1892 u16 fll_outdiv; 1893 u16 fll_refclk_div; 1894 u16 fll_loop_gain; 1895 u16 fll_ref_freq; 1896 u16 n; 1897 u16 theta; 1898 u16 lambda; 1899 }; 1900 1901 static struct { 1902 unsigned int min; 1903 unsigned int max; 1904 u16 fll_fratio; 1905 int ratio; 1906 } fll_fratios[] = { 1907 { 0, 64000, 4, 16 }, 1908 { 64000, 128000, 3, 8 }, 1909 { 128000, 256000, 2, 4 }, 1910 { 256000, 1000000, 1, 2 }, 1911 { 1000000, 13500000, 0, 1 }, 1912 }; 1913 fll_factors(struct _fll_div * fll_div,unsigned int Fref,unsigned int Fout)1914 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, 1915 unsigned int Fout) 1916 { 1917 unsigned int target; 1918 unsigned int div; 1919 unsigned int fratio, gcd_fll; 1920 int i; 1921 1922 /* Fref must be <=13.5MHz */ 1923 div = 1; 1924 fll_div->fll_refclk_div = 0; 1925 while ((Fref / div) > 13500000) { 1926 div *= 2; 1927 fll_div->fll_refclk_div++; 1928 1929 if (div > 8) { 1930 pr_err("Can't scale %dMHz input down to <=13.5MHz\n", 1931 Fref); 1932 return -EINVAL; 1933 } 1934 } 1935 1936 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout); 1937 1938 /* Apply the division for our remaining calculations */ 1939 Fref /= div; 1940 1941 if (Fref >= 3000000) 1942 fll_div->fll_loop_gain = 5; 1943 else 1944 fll_div->fll_loop_gain = 0; 1945 1946 if (Fref >= 48000) 1947 fll_div->fll_ref_freq = 0; 1948 else 1949 fll_div->fll_ref_freq = 1; 1950 1951 /* Fvco should be 90-100MHz; don't check the upper bound */ 1952 div = 2; 1953 while (Fout * div < 90000000) { 1954 div++; 1955 if (div > 64) { 1956 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", 1957 Fout); 1958 return -EINVAL; 1959 } 1960 } 1961 target = Fout * div; 1962 fll_div->fll_outdiv = div - 1; 1963 1964 pr_debug("FLL Fvco=%dHz\n", target); 1965 1966 /* Find an appropraite FLL_FRATIO and factor it out of the target */ 1967 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { 1968 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { 1969 fll_div->fll_fratio = fll_fratios[i].fll_fratio; 1970 fratio = fll_fratios[i].ratio; 1971 break; 1972 } 1973 } 1974 if (i == ARRAY_SIZE(fll_fratios)) { 1975 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); 1976 return -EINVAL; 1977 } 1978 1979 fll_div->n = target / (fratio * Fref); 1980 1981 if (target % Fref == 0) { 1982 fll_div->theta = 0; 1983 fll_div->lambda = 0; 1984 } else { 1985 gcd_fll = gcd(target, fratio * Fref); 1986 1987 fll_div->theta = (target - (fll_div->n * fratio * Fref)) 1988 / gcd_fll; 1989 fll_div->lambda = (fratio * Fref) / gcd_fll; 1990 } 1991 1992 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n", 1993 fll_div->n, fll_div->theta, fll_div->lambda); 1994 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n", 1995 fll_div->fll_fratio, fll_div->fll_outdiv, 1996 fll_div->fll_refclk_div); 1997 1998 return 0; 1999 } 2000 wm8996_set_fll(struct snd_soc_component * component,int fll_id,int source,unsigned int Fref,unsigned int Fout)2001 static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int source, 2002 unsigned int Fref, unsigned int Fout) 2003 { 2004 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2005 struct i2c_client *i2c = to_i2c_client(component->dev); 2006 struct _fll_div fll_div; 2007 unsigned long timeout, time_left; 2008 int ret, reg, retry; 2009 2010 /* Any change? */ 2011 if (source == wm8996->fll_src && Fref == wm8996->fll_fref && 2012 Fout == wm8996->fll_fout) 2013 return 0; 2014 2015 if (Fout == 0) { 2016 dev_dbg(component->dev, "FLL disabled\n"); 2017 2018 wm8996->fll_fref = 0; 2019 wm8996->fll_fout = 0; 2020 2021 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1, 2022 WM8996_FLL_ENA, 0); 2023 2024 wm8996_bg_disable(component); 2025 2026 return 0; 2027 } 2028 2029 ret = fll_factors(&fll_div, Fref, Fout); 2030 if (ret != 0) 2031 return ret; 2032 2033 switch (source) { 2034 case WM8996_FLL_MCLK1: 2035 reg = 0; 2036 break; 2037 case WM8996_FLL_MCLK2: 2038 reg = 1; 2039 break; 2040 case WM8996_FLL_DACLRCLK1: 2041 reg = 2; 2042 break; 2043 case WM8996_FLL_BCLK1: 2044 reg = 3; 2045 break; 2046 default: 2047 dev_err(component->dev, "Unknown FLL source %d\n", ret); 2048 return -EINVAL; 2049 } 2050 2051 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT; 2052 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT; 2053 2054 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_5, 2055 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ | 2056 WM8996_FLL_REFCLK_SRC_MASK, reg); 2057 2058 reg = 0; 2059 if (fll_div.theta || fll_div.lambda) 2060 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT); 2061 else 2062 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT; 2063 snd_soc_component_write(component, WM8996_FLL_EFS_2, reg); 2064 2065 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_2, 2066 WM8996_FLL_OUTDIV_MASK | 2067 WM8996_FLL_FRATIO_MASK, 2068 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) | 2069 (fll_div.fll_fratio)); 2070 2071 snd_soc_component_write(component, WM8996_FLL_CONTROL_3, fll_div.theta); 2072 2073 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_4, 2074 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK, 2075 (fll_div.n << WM8996_FLL_N_SHIFT) | 2076 fll_div.fll_loop_gain); 2077 2078 snd_soc_component_write(component, WM8996_FLL_EFS_1, fll_div.lambda); 2079 2080 /* Enable the bandgap if it's not already enabled */ 2081 ret = snd_soc_component_read(component, WM8996_FLL_CONTROL_1); 2082 if (!(ret & WM8996_FLL_ENA)) 2083 wm8996_bg_enable(component); 2084 2085 /* Clear any pending completions (eg, from failed startups) */ 2086 try_wait_for_completion(&wm8996->fll_lock); 2087 2088 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1, 2089 WM8996_FLL_ENA, WM8996_FLL_ENA); 2090 2091 /* The FLL supports live reconfiguration - kick that in case we were 2092 * already enabled. 2093 */ 2094 snd_soc_component_write(component, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK); 2095 2096 /* Wait for the FLL to lock, using the interrupt if possible */ 2097 if (Fref > 1000000) 2098 timeout = usecs_to_jiffies(300); 2099 else 2100 timeout = msecs_to_jiffies(2); 2101 2102 /* Allow substantially longer if we've actually got the IRQ, poll 2103 * at a slightly higher rate if we don't. 2104 */ 2105 if (i2c->irq) 2106 timeout *= 10; 2107 else 2108 /* ensure timeout of atleast 1 jiffies */ 2109 timeout = (timeout/2) ? : 1; 2110 2111 for (retry = 0; retry < 10; retry++) { 2112 time_left = wait_for_completion_timeout(&wm8996->fll_lock, 2113 timeout); 2114 if (time_left != 0) { 2115 WARN_ON(!i2c->irq); 2116 ret = 1; 2117 break; 2118 } 2119 2120 ret = snd_soc_component_read(component, WM8996_INTERRUPT_RAW_STATUS_2); 2121 if (ret & WM8996_FLL_LOCK_STS) 2122 break; 2123 } 2124 if (retry == 10) { 2125 dev_err(component->dev, "Timed out waiting for FLL\n"); 2126 ret = -ETIMEDOUT; 2127 } 2128 2129 dev_dbg(component->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); 2130 2131 wm8996->fll_fref = Fref; 2132 wm8996->fll_fout = Fout; 2133 wm8996->fll_src = source; 2134 2135 return ret; 2136 } 2137 2138 #ifdef CONFIG_GPIOLIB wm8996_gpio_set(struct gpio_chip * chip,unsigned offset,int value)2139 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value) 2140 { 2141 struct wm8996_priv *wm8996 = gpiochip_get_data(chip); 2142 2143 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, 2144 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT); 2145 } 2146 wm8996_gpio_direction_out(struct gpio_chip * chip,unsigned offset,int value)2147 static int wm8996_gpio_direction_out(struct gpio_chip *chip, 2148 unsigned offset, int value) 2149 { 2150 struct wm8996_priv *wm8996 = gpiochip_get_data(chip); 2151 int val; 2152 2153 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT); 2154 2155 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, 2156 WM8996_GP1_FN_MASK | WM8996_GP1_DIR | 2157 WM8996_GP1_LVL, val); 2158 } 2159 wm8996_gpio_get(struct gpio_chip * chip,unsigned offset)2160 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset) 2161 { 2162 struct wm8996_priv *wm8996 = gpiochip_get_data(chip); 2163 unsigned int reg; 2164 int ret; 2165 2166 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®); 2167 if (ret < 0) 2168 return ret; 2169 2170 return (reg & WM8996_GP1_LVL) != 0; 2171 } 2172 wm8996_gpio_direction_in(struct gpio_chip * chip,unsigned offset)2173 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset) 2174 { 2175 struct wm8996_priv *wm8996 = gpiochip_get_data(chip); 2176 2177 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset, 2178 WM8996_GP1_FN_MASK | WM8996_GP1_DIR, 2179 (1 << WM8996_GP1_FN_SHIFT) | 2180 (1 << WM8996_GP1_DIR_SHIFT)); 2181 } 2182 2183 static const struct gpio_chip wm8996_template_chip = { 2184 .label = "wm8996", 2185 .owner = THIS_MODULE, 2186 .direction_output = wm8996_gpio_direction_out, 2187 .set = wm8996_gpio_set, 2188 .direction_input = wm8996_gpio_direction_in, 2189 .get = wm8996_gpio_get, 2190 .can_sleep = 1, 2191 }; 2192 wm8996_init_gpio(struct wm8996_priv * wm8996)2193 static void wm8996_init_gpio(struct wm8996_priv *wm8996) 2194 { 2195 int ret; 2196 2197 wm8996->gpio_chip = wm8996_template_chip; 2198 wm8996->gpio_chip.ngpio = 5; 2199 wm8996->gpio_chip.parent = wm8996->dev; 2200 2201 if (wm8996->pdata.gpio_base) 2202 wm8996->gpio_chip.base = wm8996->pdata.gpio_base; 2203 else 2204 wm8996->gpio_chip.base = -1; 2205 2206 ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996); 2207 if (ret != 0) 2208 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret); 2209 } 2210 wm8996_free_gpio(struct wm8996_priv * wm8996)2211 static void wm8996_free_gpio(struct wm8996_priv *wm8996) 2212 { 2213 gpiochip_remove(&wm8996->gpio_chip); 2214 } 2215 #else wm8996_init_gpio(struct wm8996_priv * wm8996)2216 static void wm8996_init_gpio(struct wm8996_priv *wm8996) 2217 { 2218 } 2219 wm8996_free_gpio(struct wm8996_priv * wm8996)2220 static void wm8996_free_gpio(struct wm8996_priv *wm8996) 2221 { 2222 } 2223 #endif 2224 2225 /** 2226 * wm8996_detect - Enable default WM8996 jack detection 2227 * @component: ASoC component 2228 * @jack: jack pointer 2229 * @polarity_cb: polarity callback 2230 * 2231 * The WM8996 has advanced accessory detection support for headsets. 2232 * This function provides a default implementation which integrates 2233 * the majority of this functionality with minimal user configuration. 2234 * 2235 * This will detect headset, headphone and short circuit button and 2236 * will also detect inverted microphone ground connections and update 2237 * the polarity of the connections. 2238 */ wm8996_detect(struct snd_soc_component * component,struct snd_soc_jack * jack,wm8996_polarity_fn polarity_cb)2239 int wm8996_detect(struct snd_soc_component *component, struct snd_soc_jack *jack, 2240 wm8996_polarity_fn polarity_cb) 2241 { 2242 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2243 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 2244 2245 wm8996->jack = jack; 2246 wm8996->detecting = true; 2247 wm8996->polarity_cb = polarity_cb; 2248 wm8996->jack_flips = 0; 2249 2250 if (wm8996->polarity_cb) 2251 wm8996->polarity_cb(component, 0); 2252 2253 /* Clear discarge to avoid noise during detection */ 2254 snd_soc_component_update_bits(component, WM8996_MICBIAS_1, 2255 WM8996_MICB1_DISCH, 0); 2256 snd_soc_component_update_bits(component, WM8996_MICBIAS_2, 2257 WM8996_MICB2_DISCH, 0); 2258 2259 /* LDO2 powers the microphones, SYSCLK clocks detection */ 2260 snd_soc_dapm_mutex_lock(dapm); 2261 2262 snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2"); 2263 snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK"); 2264 2265 snd_soc_dapm_mutex_unlock(dapm); 2266 2267 /* We start off just enabling microphone detection - even a 2268 * plain headphone will trigger detection. 2269 */ 2270 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, 2271 WM8996_MICD_ENA, WM8996_MICD_ENA); 2272 2273 /* Slowest detection rate, gives debounce for initial detection */ 2274 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, 2275 WM8996_MICD_RATE_MASK, 2276 WM8996_MICD_RATE_MASK); 2277 2278 /* Enable interrupts and we're off */ 2279 snd_soc_component_update_bits(component, WM8996_INTERRUPT_STATUS_2_MASK, 2280 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0); 2281 2282 return 0; 2283 } 2284 EXPORT_SYMBOL_GPL(wm8996_detect); 2285 wm8996_hpdet_irq(struct snd_soc_component * component)2286 static void wm8996_hpdet_irq(struct snd_soc_component *component) 2287 { 2288 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 2289 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2290 int val, reg, report; 2291 2292 /* Assume headphone in error conditions; we need to report 2293 * something or we stall our state machine. 2294 */ 2295 report = SND_JACK_HEADPHONE; 2296 2297 reg = snd_soc_component_read(component, WM8996_HEADPHONE_DETECT_2); 2298 if (reg < 0) { 2299 dev_err(component->dev, "Failed to read HPDET status\n"); 2300 goto out; 2301 } 2302 2303 if (!(reg & WM8996_HP_DONE)) { 2304 dev_err(component->dev, "Got HPDET IRQ but HPDET is busy\n"); 2305 goto out; 2306 } 2307 2308 val = reg & WM8996_HP_LVL_MASK; 2309 2310 dev_dbg(component->dev, "HPDET measured %d ohms\n", val); 2311 2312 /* If we've got high enough impedence then report as line, 2313 * otherwise assume headphone. 2314 */ 2315 if (val >= 126) 2316 report = SND_JACK_LINEOUT; 2317 else 2318 report = SND_JACK_HEADPHONE; 2319 2320 out: 2321 if (wm8996->jack_mic) 2322 report |= SND_JACK_MICROPHONE; 2323 2324 snd_soc_jack_report(wm8996->jack, report, 2325 SND_JACK_LINEOUT | SND_JACK_HEADSET); 2326 2327 wm8996->detecting = false; 2328 2329 /* If the output isn't running re-clamp it */ 2330 if (!(snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_1) & 2331 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT))) 2332 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, 2333 WM8996_HPOUT1L_RMV_SHORT | 2334 WM8996_HPOUT1R_RMV_SHORT, 0); 2335 2336 /* Go back to looking at the microphone */ 2337 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1, 2338 WM8996_JD_MODE_MASK, 0); 2339 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 2340 WM8996_MICD_ENA); 2341 2342 snd_soc_dapm_disable_pin(dapm, "Bandgap"); 2343 snd_soc_dapm_sync(dapm); 2344 } 2345 wm8996_hpdet_start(struct snd_soc_component * component)2346 static void wm8996_hpdet_start(struct snd_soc_component *component) 2347 { 2348 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 2349 2350 /* Unclamp the output, we can't measure while we're shorting it */ 2351 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, 2352 WM8996_HPOUT1L_RMV_SHORT | 2353 WM8996_HPOUT1R_RMV_SHORT, 2354 WM8996_HPOUT1L_RMV_SHORT | 2355 WM8996_HPOUT1R_RMV_SHORT); 2356 2357 /* We need bandgap for HPDET */ 2358 snd_soc_dapm_force_enable_pin(dapm, "Bandgap"); 2359 snd_soc_dapm_sync(dapm); 2360 2361 /* Go into headphone detect left mode */ 2362 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0); 2363 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1, 2364 WM8996_JD_MODE_MASK, 1); 2365 2366 /* Trigger a measurement */ 2367 snd_soc_component_update_bits(component, WM8996_HEADPHONE_DETECT_1, 2368 WM8996_HP_POLL, WM8996_HP_POLL); 2369 } 2370 wm8996_report_headphone(struct snd_soc_component * component)2371 static void wm8996_report_headphone(struct snd_soc_component *component) 2372 { 2373 dev_dbg(component->dev, "Headphone detected\n"); 2374 wm8996_hpdet_start(component); 2375 2376 /* Increase the detection rate a bit for responsiveness. */ 2377 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, 2378 WM8996_MICD_RATE_MASK | 2379 WM8996_MICD_BIAS_STARTTIME_MASK, 2380 7 << WM8996_MICD_RATE_SHIFT | 2381 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT); 2382 } 2383 wm8996_micd(struct snd_soc_component * component)2384 static void wm8996_micd(struct snd_soc_component *component) 2385 { 2386 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2387 int val, reg; 2388 2389 val = snd_soc_component_read(component, WM8996_MIC_DETECT_3); 2390 2391 dev_dbg(component->dev, "Microphone event: %x\n", val); 2392 2393 if (!(val & WM8996_MICD_VALID)) { 2394 dev_warn(component->dev, "Microphone detection state invalid\n"); 2395 return; 2396 } 2397 2398 /* No accessory, reset everything and report removal */ 2399 if (!(val & WM8996_MICD_STS)) { 2400 dev_dbg(component->dev, "Jack removal detected\n"); 2401 wm8996->jack_mic = false; 2402 wm8996->detecting = true; 2403 wm8996->jack_flips = 0; 2404 snd_soc_jack_report(wm8996->jack, 0, 2405 SND_JACK_LINEOUT | SND_JACK_HEADSET | 2406 SND_JACK_BTN_0); 2407 2408 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, 2409 WM8996_MICD_RATE_MASK | 2410 WM8996_MICD_BIAS_STARTTIME_MASK, 2411 WM8996_MICD_RATE_MASK | 2412 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT); 2413 return; 2414 } 2415 2416 /* If the measurement is very high we've got a microphone, 2417 * either we just detected one or if we already reported then 2418 * we've got a button release event. 2419 */ 2420 if (val & 0x400) { 2421 if (wm8996->detecting) { 2422 dev_dbg(component->dev, "Microphone detected\n"); 2423 wm8996->jack_mic = true; 2424 wm8996_hpdet_start(component); 2425 2426 /* Increase poll rate to give better responsiveness 2427 * for buttons */ 2428 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, 2429 WM8996_MICD_RATE_MASK | 2430 WM8996_MICD_BIAS_STARTTIME_MASK, 2431 5 << WM8996_MICD_RATE_SHIFT | 2432 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT); 2433 } else { 2434 dev_dbg(component->dev, "Mic button up\n"); 2435 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0); 2436 } 2437 2438 return; 2439 } 2440 2441 /* If we detected a lower impedence during initial startup 2442 * then we probably have the wrong polarity, flip it. Don't 2443 * do this for the lowest impedences to speed up detection of 2444 * plain headphones. If both polarities report a low 2445 * impedence then give up and report headphones. 2446 */ 2447 if (wm8996->detecting && (val & 0x3f0)) { 2448 wm8996->jack_flips++; 2449 2450 if (wm8996->jack_flips > 1) { 2451 wm8996_report_headphone(component); 2452 return; 2453 } 2454 2455 reg = snd_soc_component_read(component, WM8996_ACCESSORY_DETECT_MODE_2); 2456 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC | 2457 WM8996_MICD_BIAS_SRC; 2458 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_2, 2459 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC | 2460 WM8996_MICD_BIAS_SRC, reg); 2461 2462 if (wm8996->polarity_cb) 2463 wm8996->polarity_cb(component, 2464 (reg & WM8996_MICD_SRC) != 0); 2465 2466 dev_dbg(component->dev, "Set microphone polarity to %d\n", 2467 (reg & WM8996_MICD_SRC) != 0); 2468 2469 return; 2470 } 2471 2472 /* Don't distinguish between buttons, just report any low 2473 * impedence as BTN_0. 2474 */ 2475 if (val & 0x3fc) { 2476 if (wm8996->jack_mic) { 2477 dev_dbg(component->dev, "Mic button detected\n"); 2478 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0, 2479 SND_JACK_BTN_0); 2480 } else if (wm8996->detecting) { 2481 wm8996_report_headphone(component); 2482 } 2483 } 2484 } 2485 wm8996_irq(int irq,void * data)2486 static irqreturn_t wm8996_irq(int irq, void *data) 2487 { 2488 struct snd_soc_component *component = data; 2489 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2490 int irq_val; 2491 2492 irq_val = snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2); 2493 if (irq_val < 0) { 2494 dev_err(component->dev, "Failed to read IRQ status: %d\n", 2495 irq_val); 2496 return IRQ_NONE; 2497 } 2498 irq_val &= ~snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2_MASK); 2499 2500 if (!irq_val) 2501 return IRQ_NONE; 2502 2503 snd_soc_component_write(component, WM8996_INTERRUPT_STATUS_2, irq_val); 2504 2505 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) { 2506 dev_dbg(component->dev, "DC servo IRQ\n"); 2507 complete(&wm8996->dcs_done); 2508 } 2509 2510 if (irq_val & WM8996_FIFOS_ERR_EINT) 2511 dev_err(component->dev, "Digital core FIFO error\n"); 2512 2513 if (irq_val & WM8996_FLL_LOCK_EINT) { 2514 dev_dbg(component->dev, "FLL locked\n"); 2515 complete(&wm8996->fll_lock); 2516 } 2517 2518 if (irq_val & WM8996_MICD_EINT) 2519 wm8996_micd(component); 2520 2521 if (irq_val & WM8996_HP_DONE_EINT) 2522 wm8996_hpdet_irq(component); 2523 2524 return IRQ_HANDLED; 2525 } 2526 wm8996_edge_irq(int irq,void * data)2527 static irqreturn_t wm8996_edge_irq(int irq, void *data) 2528 { 2529 irqreturn_t ret = IRQ_NONE; 2530 irqreturn_t val; 2531 2532 do { 2533 val = wm8996_irq(irq, data); 2534 if (val != IRQ_NONE) 2535 ret = val; 2536 } while (val != IRQ_NONE); 2537 2538 return ret; 2539 } 2540 wm8996_retune_mobile_pdata(struct snd_soc_component * component)2541 static void wm8996_retune_mobile_pdata(struct snd_soc_component *component) 2542 { 2543 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2544 struct wm8996_pdata *pdata = &wm8996->pdata; 2545 2546 struct snd_kcontrol_new controls[] = { 2547 SOC_ENUM_EXT("DSP1 EQ Mode", 2548 wm8996->retune_mobile_enum, 2549 wm8996_get_retune_mobile_enum, 2550 wm8996_put_retune_mobile_enum), 2551 SOC_ENUM_EXT("DSP2 EQ Mode", 2552 wm8996->retune_mobile_enum, 2553 wm8996_get_retune_mobile_enum, 2554 wm8996_put_retune_mobile_enum), 2555 }; 2556 int ret, i, j; 2557 const char **t; 2558 2559 /* We need an array of texts for the enum API but the number 2560 * of texts is likely to be less than the number of 2561 * configurations due to the sample rate dependency of the 2562 * configurations. */ 2563 wm8996->num_retune_mobile_texts = 0; 2564 wm8996->retune_mobile_texts = NULL; 2565 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { 2566 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) { 2567 if (strcmp(pdata->retune_mobile_cfgs[i].name, 2568 wm8996->retune_mobile_texts[j]) == 0) 2569 break; 2570 } 2571 2572 if (j != wm8996->num_retune_mobile_texts) 2573 continue; 2574 2575 /* Expand the array... */ 2576 t = krealloc(wm8996->retune_mobile_texts, 2577 sizeof(char *) * 2578 (wm8996->num_retune_mobile_texts + 1), 2579 GFP_KERNEL); 2580 if (t == NULL) 2581 continue; 2582 2583 /* ...store the new entry... */ 2584 t[wm8996->num_retune_mobile_texts] = 2585 pdata->retune_mobile_cfgs[i].name; 2586 2587 /* ...and remember the new version. */ 2588 wm8996->num_retune_mobile_texts++; 2589 wm8996->retune_mobile_texts = t; 2590 } 2591 2592 dev_dbg(component->dev, "Allocated %d unique ReTune Mobile names\n", 2593 wm8996->num_retune_mobile_texts); 2594 2595 wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts; 2596 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts; 2597 2598 ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls)); 2599 if (ret != 0) 2600 dev_err(component->dev, 2601 "Failed to add ReTune Mobile controls: %d\n", ret); 2602 } 2603 2604 static const struct regmap_config wm8996_regmap = { 2605 .reg_bits = 16, 2606 .val_bits = 16, 2607 2608 .max_register = WM8996_MAX_REGISTER, 2609 .reg_defaults = wm8996_reg, 2610 .num_reg_defaults = ARRAY_SIZE(wm8996_reg), 2611 .volatile_reg = wm8996_volatile_register, 2612 .readable_reg = wm8996_readable_register, 2613 .cache_type = REGCACHE_MAPLE, 2614 }; 2615 wm8996_probe(struct snd_soc_component * component)2616 static int wm8996_probe(struct snd_soc_component *component) 2617 { 2618 int ret; 2619 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component); 2620 struct i2c_client *i2c = to_i2c_client(component->dev); 2621 int irq_flags; 2622 2623 wm8996->component = component; 2624 2625 init_completion(&wm8996->dcs_done); 2626 init_completion(&wm8996->fll_lock); 2627 2628 if (wm8996->pdata.num_retune_mobile_cfgs) 2629 wm8996_retune_mobile_pdata(component); 2630 else 2631 snd_soc_add_component_controls(component, wm8996_eq_controls, 2632 ARRAY_SIZE(wm8996_eq_controls)); 2633 2634 if (i2c->irq) { 2635 if (wm8996->pdata.irq_flags) 2636 irq_flags = wm8996->pdata.irq_flags; 2637 else 2638 irq_flags = IRQF_TRIGGER_LOW; 2639 2640 irq_flags |= IRQF_ONESHOT; 2641 2642 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) 2643 ret = request_threaded_irq(i2c->irq, NULL, 2644 wm8996_edge_irq, 2645 irq_flags, "wm8996", component); 2646 else 2647 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq, 2648 irq_flags, "wm8996", component); 2649 2650 if (ret == 0) { 2651 /* Unmask the interrupt */ 2652 snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL, 2653 WM8996_IM_IRQ, 0); 2654 2655 /* Enable error reporting and DC servo status */ 2656 snd_soc_component_update_bits(component, 2657 WM8996_INTERRUPT_STATUS_2_MASK, 2658 WM8996_IM_DCS_DONE_23_EINT | 2659 WM8996_IM_DCS_DONE_01_EINT | 2660 WM8996_IM_FLL_LOCK_EINT | 2661 WM8996_IM_FIFOS_ERR_EINT, 2662 0); 2663 } else { 2664 dev_err(component->dev, "Failed to request IRQ: %d\n", 2665 ret); 2666 return ret; 2667 } 2668 } 2669 2670 return 0; 2671 } 2672 wm8996_remove(struct snd_soc_component * component)2673 static void wm8996_remove(struct snd_soc_component *component) 2674 { 2675 struct i2c_client *i2c = to_i2c_client(component->dev); 2676 2677 snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL, 2678 WM8996_IM_IRQ, WM8996_IM_IRQ); 2679 2680 if (i2c->irq) 2681 free_irq(i2c->irq, component); 2682 } 2683 2684 static const struct snd_soc_component_driver soc_component_dev_wm8996 = { 2685 .probe = wm8996_probe, 2686 .remove = wm8996_remove, 2687 .set_bias_level = wm8996_set_bias_level, 2688 .seq_notifier = wm8996_seq_notifier, 2689 .controls = wm8996_snd_controls, 2690 .num_controls = ARRAY_SIZE(wm8996_snd_controls), 2691 .dapm_widgets = wm8996_dapm_widgets, 2692 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets), 2693 .dapm_routes = wm8996_dapm_routes, 2694 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes), 2695 .set_pll = wm8996_set_fll, 2696 .use_pmdown_time = 1, 2697 .endianness = 1, 2698 }; 2699 2700 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\ 2701 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ 2702 SNDRV_PCM_RATE_48000) 2703 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\ 2704 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\ 2705 SNDRV_PCM_FMTBIT_S32_LE) 2706 2707 static const struct snd_soc_dai_ops wm8996_dai_ops = { 2708 .set_fmt = wm8996_set_fmt, 2709 .hw_params = wm8996_hw_params, 2710 .set_sysclk = wm8996_set_sysclk, 2711 }; 2712 2713 static struct snd_soc_dai_driver wm8996_dai[] = { 2714 { 2715 .name = "wm8996-aif1", 2716 .playback = { 2717 .stream_name = "AIF1 Playback", 2718 .channels_min = 1, 2719 .channels_max = 6, 2720 .rates = WM8996_RATES, 2721 .formats = WM8996_FORMATS, 2722 .sig_bits = 24, 2723 }, 2724 .capture = { 2725 .stream_name = "AIF1 Capture", 2726 .channels_min = 1, 2727 .channels_max = 6, 2728 .rates = WM8996_RATES, 2729 .formats = WM8996_FORMATS, 2730 .sig_bits = 24, 2731 }, 2732 .ops = &wm8996_dai_ops, 2733 }, 2734 { 2735 .name = "wm8996-aif2", 2736 .playback = { 2737 .stream_name = "AIF2 Playback", 2738 .channels_min = 1, 2739 .channels_max = 2, 2740 .rates = WM8996_RATES, 2741 .formats = WM8996_FORMATS, 2742 .sig_bits = 24, 2743 }, 2744 .capture = { 2745 .stream_name = "AIF2 Capture", 2746 .channels_min = 1, 2747 .channels_max = 2, 2748 .rates = WM8996_RATES, 2749 .formats = WM8996_FORMATS, 2750 .sig_bits = 24, 2751 }, 2752 .ops = &wm8996_dai_ops, 2753 }, 2754 }; 2755 wm8996_i2c_probe(struct i2c_client * i2c)2756 static int wm8996_i2c_probe(struct i2c_client *i2c) 2757 { 2758 struct wm8996_priv *wm8996; 2759 int ret, i; 2760 unsigned int reg; 2761 2762 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv), 2763 GFP_KERNEL); 2764 if (wm8996 == NULL) 2765 return -ENOMEM; 2766 2767 i2c_set_clientdata(i2c, wm8996); 2768 wm8996->dev = &i2c->dev; 2769 2770 if (dev_get_platdata(&i2c->dev)) 2771 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev), 2772 sizeof(wm8996->pdata)); 2773 2774 if (wm8996->pdata.ldo_ena > 0) { 2775 ret = gpio_request_one(wm8996->pdata.ldo_ena, 2776 GPIOF_OUT_INIT_LOW, "WM8996 ENA"); 2777 if (ret < 0) { 2778 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n", 2779 wm8996->pdata.ldo_ena, ret); 2780 goto err; 2781 } 2782 } 2783 2784 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) 2785 wm8996->supplies[i].supply = wm8996_supply_names[i]; 2786 2787 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies), 2788 wm8996->supplies); 2789 if (ret != 0) { 2790 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); 2791 goto err_gpio; 2792 } 2793 2794 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0; 2795 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1; 2796 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2; 2797 2798 /* This should really be moved into the regulator core */ 2799 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) { 2800 ret = devm_regulator_register_notifier( 2801 wm8996->supplies[i].consumer, 2802 &wm8996->disable_nb[i]); 2803 if (ret != 0) { 2804 dev_err(&i2c->dev, 2805 "Failed to register regulator notifier: %d\n", 2806 ret); 2807 } 2808 } 2809 2810 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies), 2811 wm8996->supplies); 2812 if (ret != 0) { 2813 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); 2814 goto err_gpio; 2815 } 2816 2817 if (wm8996->pdata.ldo_ena > 0) { 2818 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1); 2819 msleep(5); 2820 } 2821 2822 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap); 2823 if (IS_ERR(wm8996->regmap)) { 2824 ret = PTR_ERR(wm8996->regmap); 2825 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret); 2826 goto err_enable; 2827 } 2828 2829 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®); 2830 if (ret < 0) { 2831 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret); 2832 goto err_regmap; 2833 } 2834 if (reg != 0x8915) { 2835 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg); 2836 ret = -EINVAL; 2837 goto err_regmap; 2838 } 2839 2840 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®); 2841 if (ret < 0) { 2842 dev_err(&i2c->dev, "Failed to read device revision: %d\n", 2843 ret); 2844 goto err_regmap; 2845 } 2846 2847 dev_info(&i2c->dev, "revision %c\n", 2848 (reg & WM8996_CHIP_REV_MASK) + 'A'); 2849 2850 if (wm8996->pdata.ldo_ena > 0) { 2851 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 2852 regcache_cache_only(wm8996->regmap, true); 2853 } else { 2854 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET, 2855 0x8915); 2856 if (ret != 0) { 2857 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret); 2858 goto err_regmap; 2859 } 2860 } 2861 2862 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); 2863 2864 /* Apply platform data settings */ 2865 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL, 2866 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK, 2867 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT | 2868 wm8996->pdata.inr_mode); 2869 2870 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) { 2871 if (!wm8996->pdata.gpio_default[i]) 2872 continue; 2873 2874 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i, 2875 wm8996->pdata.gpio_default[i] & 0xffff); 2876 } 2877 2878 if (wm8996->pdata.spkmute_seq) 2879 regmap_update_bits(wm8996->regmap, 2880 WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 2881 WM8996_SPK_MUTE_ENDIAN | 2882 WM8996_SPK_MUTE_SEQ1_MASK, 2883 wm8996->pdata.spkmute_seq); 2884 2885 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2, 2886 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC | 2887 WM8996_MICD_SRC, wm8996->pdata.micdet_def); 2888 2889 /* Latch volume update bits */ 2890 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME, 2891 WM8996_IN1_VU, WM8996_IN1_VU); 2892 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME, 2893 WM8996_IN1_VU, WM8996_IN1_VU); 2894 2895 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME, 2896 WM8996_DAC1_VU, WM8996_DAC1_VU); 2897 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME, 2898 WM8996_DAC1_VU, WM8996_DAC1_VU); 2899 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME, 2900 WM8996_DAC2_VU, WM8996_DAC2_VU); 2901 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME, 2902 WM8996_DAC2_VU, WM8996_DAC2_VU); 2903 2904 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME, 2905 WM8996_DAC1_VU, WM8996_DAC1_VU); 2906 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME, 2907 WM8996_DAC1_VU, WM8996_DAC1_VU); 2908 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME, 2909 WM8996_DAC2_VU, WM8996_DAC2_VU); 2910 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME, 2911 WM8996_DAC2_VU, WM8996_DAC2_VU); 2912 2913 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME, 2914 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU); 2915 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME, 2916 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU); 2917 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME, 2918 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU); 2919 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME, 2920 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU); 2921 2922 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME, 2923 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU); 2924 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME, 2925 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU); 2926 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME, 2927 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU); 2928 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME, 2929 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU); 2930 2931 /* No support currently for the underclocked TDM modes and 2932 * pick a default TDM layout with each channel pair working with 2933 * slots 0 and 1. */ 2934 regmap_update_bits(wm8996->regmap, 2935 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 2936 WM8996_AIF1RX_CHAN0_SLOTS_MASK | 2937 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2938 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0); 2939 regmap_update_bits(wm8996->regmap, 2940 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 2941 WM8996_AIF1RX_CHAN1_SLOTS_MASK | 2942 WM8996_AIF1RX_CHAN1_START_SLOT_MASK, 2943 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1); 2944 regmap_update_bits(wm8996->regmap, 2945 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 2946 WM8996_AIF1RX_CHAN2_SLOTS_MASK | 2947 WM8996_AIF1RX_CHAN2_START_SLOT_MASK, 2948 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0); 2949 regmap_update_bits(wm8996->regmap, 2950 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 2951 WM8996_AIF1RX_CHAN3_SLOTS_MASK | 2952 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2953 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1); 2954 regmap_update_bits(wm8996->regmap, 2955 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 2956 WM8996_AIF1RX_CHAN4_SLOTS_MASK | 2957 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2958 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0); 2959 regmap_update_bits(wm8996->regmap, 2960 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 2961 WM8996_AIF1RX_CHAN5_SLOTS_MASK | 2962 WM8996_AIF1RX_CHAN0_START_SLOT_MASK, 2963 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1); 2964 2965 regmap_update_bits(wm8996->regmap, 2966 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 2967 WM8996_AIF2RX_CHAN0_SLOTS_MASK | 2968 WM8996_AIF2RX_CHAN0_START_SLOT_MASK, 2969 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0); 2970 regmap_update_bits(wm8996->regmap, 2971 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 2972 WM8996_AIF2RX_CHAN1_SLOTS_MASK | 2973 WM8996_AIF2RX_CHAN1_START_SLOT_MASK, 2974 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1); 2975 2976 regmap_update_bits(wm8996->regmap, 2977 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 2978 WM8996_AIF1TX_CHAN0_SLOTS_MASK | 2979 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2980 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0); 2981 regmap_update_bits(wm8996->regmap, 2982 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 2983 WM8996_AIF1TX_CHAN1_SLOTS_MASK | 2984 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2985 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1); 2986 regmap_update_bits(wm8996->regmap, 2987 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 2988 WM8996_AIF1TX_CHAN2_SLOTS_MASK | 2989 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2990 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0); 2991 regmap_update_bits(wm8996->regmap, 2992 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 2993 WM8996_AIF1TX_CHAN3_SLOTS_MASK | 2994 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 2995 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1); 2996 regmap_update_bits(wm8996->regmap, 2997 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 2998 WM8996_AIF1TX_CHAN4_SLOTS_MASK | 2999 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 3000 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0); 3001 regmap_update_bits(wm8996->regmap, 3002 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 3003 WM8996_AIF1TX_CHAN5_SLOTS_MASK | 3004 WM8996_AIF1TX_CHAN0_START_SLOT_MASK, 3005 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1); 3006 3007 regmap_update_bits(wm8996->regmap, 3008 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 3009 WM8996_AIF2TX_CHAN0_SLOTS_MASK | 3010 WM8996_AIF2TX_CHAN0_START_SLOT_MASK, 3011 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0); 3012 regmap_update_bits(wm8996->regmap, 3013 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 3014 WM8996_AIF2TX_CHAN1_SLOTS_MASK | 3015 WM8996_AIF2TX_CHAN1_START_SLOT_MASK, 3016 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1); 3017 3018 /* If the TX LRCLK pins are not in LRCLK mode configure the 3019 * AIFs to source their clocks from the RX LRCLKs. 3020 */ 3021 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, ®); 3022 if (ret != 0) { 3023 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret); 3024 goto err_regmap; 3025 } 3026 3027 if (reg & WM8996_GP1_FN_MASK) 3028 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2, 3029 WM8996_AIF1TX_LRCLK_MODE, 3030 WM8996_AIF1TX_LRCLK_MODE); 3031 3032 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, ®); 3033 if (ret != 0) { 3034 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret); 3035 goto err_regmap; 3036 } 3037 3038 if (reg & WM8996_GP2_FN_MASK) 3039 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2, 3040 WM8996_AIF2TX_LRCLK_MODE, 3041 WM8996_AIF2TX_LRCLK_MODE); 3042 3043 wm8996_init_gpio(wm8996); 3044 3045 ret = devm_snd_soc_register_component(&i2c->dev, 3046 &soc_component_dev_wm8996, wm8996_dai, 3047 ARRAY_SIZE(wm8996_dai)); 3048 if (ret < 0) 3049 goto err_gpiolib; 3050 3051 return ret; 3052 3053 err_gpiolib: 3054 wm8996_free_gpio(wm8996); 3055 err_regmap: 3056 err_enable: 3057 if (wm8996->pdata.ldo_ena > 0) 3058 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 3059 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies); 3060 err_gpio: 3061 if (wm8996->pdata.ldo_ena > 0) 3062 gpio_free(wm8996->pdata.ldo_ena); 3063 err: 3064 3065 return ret; 3066 } 3067 wm8996_i2c_remove(struct i2c_client * client)3068 static void wm8996_i2c_remove(struct i2c_client *client) 3069 { 3070 struct wm8996_priv *wm8996 = i2c_get_clientdata(client); 3071 3072 wm8996_free_gpio(wm8996); 3073 if (wm8996->pdata.ldo_ena > 0) { 3074 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0); 3075 gpio_free(wm8996->pdata.ldo_ena); 3076 } 3077 } 3078 3079 static const struct i2c_device_id wm8996_i2c_id[] = { 3080 { "wm8996", 0 }, 3081 { } 3082 }; 3083 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id); 3084 3085 static struct i2c_driver wm8996_i2c_driver = { 3086 .driver = { 3087 .name = "wm8996", 3088 }, 3089 .probe = wm8996_i2c_probe, 3090 .remove = wm8996_i2c_remove, 3091 .id_table = wm8996_i2c_id, 3092 }; 3093 3094 module_i2c_driver(wm8996_i2c_driver); 3095 3096 MODULE_DESCRIPTION("ASoC WM8996 driver"); 3097 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 3098 MODULE_LICENSE("GPL"); 3099