1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * wm8995.c -- WM8995 ALSA SoC Audio driver 4 * 5 * Copyright 2010 Wolfson Microelectronics plc 6 * 7 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> 8 * 9 * Based on wm8994.c and wm_hubs.c by Mark Brown 10 */ 11 12 #include <linux/module.h> 13 #include <linux/moduleparam.h> 14 #include <linux/init.h> 15 #include <linux/delay.h> 16 #include <linux/pm.h> 17 #include <linux/i2c.h> 18 #include <linux/regmap.h> 19 #include <linux/spi/spi.h> 20 #include <linux/regulator/consumer.h> 21 #include <linux/slab.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include <sound/soc-dapm.h> 27 #include <sound/initval.h> 28 #include <sound/tlv.h> 29 30 #include "wm8995.h" 31 32 #define WM8995_NUM_SUPPLIES 8 33 static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = { 34 "DCVDD", 35 "DBVDD1", 36 "DBVDD2", 37 "DBVDD3", 38 "AVDD1", 39 "AVDD2", 40 "CPVDD", 41 "MICVDD" 42 }; 43 44 static const struct reg_default wm8995_reg_defaults[] = { 45 { 0, 0x8995 }, 46 { 5, 0x0100 }, 47 { 16, 0x000b }, 48 { 17, 0x000b }, 49 { 24, 0x02c0 }, 50 { 25, 0x02c0 }, 51 { 26, 0x02c0 }, 52 { 27, 0x02c0 }, 53 { 28, 0x000f }, 54 { 32, 0x0005 }, 55 { 33, 0x0005 }, 56 { 40, 0x0003 }, 57 { 41, 0x0013 }, 58 { 48, 0x0004 }, 59 { 56, 0x09f8 }, 60 { 64, 0x1f25 }, 61 { 69, 0x0004 }, 62 { 82, 0xaaaa }, 63 { 84, 0x2a2a }, 64 { 146, 0x0060 }, 65 { 256, 0x0002 }, 66 { 257, 0x8004 }, 67 { 520, 0x0010 }, 68 { 528, 0x0083 }, 69 { 529, 0x0083 }, 70 { 548, 0x0c80 }, 71 { 580, 0x0c80 }, 72 { 768, 0x4050 }, 73 { 769, 0x4000 }, 74 { 771, 0x0040 }, 75 { 772, 0x0040 }, 76 { 773, 0x0040 }, 77 { 774, 0x0004 }, 78 { 775, 0x0100 }, 79 { 784, 0x4050 }, 80 { 785, 0x4000 }, 81 { 787, 0x0040 }, 82 { 788, 0x0040 }, 83 { 789, 0x0040 }, 84 { 1024, 0x00c0 }, 85 { 1025, 0x00c0 }, 86 { 1026, 0x00c0 }, 87 { 1027, 0x00c0 }, 88 { 1028, 0x00c0 }, 89 { 1029, 0x00c0 }, 90 { 1030, 0x00c0 }, 91 { 1031, 0x00c0 }, 92 { 1056, 0x0200 }, 93 { 1057, 0x0010 }, 94 { 1058, 0x0200 }, 95 { 1059, 0x0010 }, 96 { 1088, 0x0098 }, 97 { 1089, 0x0845 }, 98 { 1104, 0x0098 }, 99 { 1105, 0x0845 }, 100 { 1152, 0x6318 }, 101 { 1153, 0x6300 }, 102 { 1154, 0x0fca }, 103 { 1155, 0x0400 }, 104 { 1156, 0x00d8 }, 105 { 1157, 0x1eb5 }, 106 { 1158, 0xf145 }, 107 { 1159, 0x0b75 }, 108 { 1160, 0x01c5 }, 109 { 1161, 0x1c58 }, 110 { 1162, 0xf373 }, 111 { 1163, 0x0a54 }, 112 { 1164, 0x0558 }, 113 { 1165, 0x168e }, 114 { 1166, 0xf829 }, 115 { 1167, 0x07ad }, 116 { 1168, 0x1103 }, 117 { 1169, 0x0564 }, 118 { 1170, 0x0559 }, 119 { 1171, 0x4000 }, 120 { 1184, 0x6318 }, 121 { 1185, 0x6300 }, 122 { 1186, 0x0fca }, 123 { 1187, 0x0400 }, 124 { 1188, 0x00d8 }, 125 { 1189, 0x1eb5 }, 126 { 1190, 0xf145 }, 127 { 1191, 0x0b75 }, 128 { 1192, 0x01c5 }, 129 { 1193, 0x1c58 }, 130 { 1194, 0xf373 }, 131 { 1195, 0x0a54 }, 132 { 1196, 0x0558 }, 133 { 1197, 0x168e }, 134 { 1198, 0xf829 }, 135 { 1199, 0x07ad }, 136 { 1200, 0x1103 }, 137 { 1201, 0x0564 }, 138 { 1202, 0x0559 }, 139 { 1203, 0x4000 }, 140 { 1280, 0x00c0 }, 141 { 1281, 0x00c0 }, 142 { 1282, 0x00c0 }, 143 { 1283, 0x00c0 }, 144 { 1312, 0x0200 }, 145 { 1313, 0x0010 }, 146 { 1344, 0x0098 }, 147 { 1345, 0x0845 }, 148 { 1408, 0x6318 }, 149 { 1409, 0x6300 }, 150 { 1410, 0x0fca }, 151 { 1411, 0x0400 }, 152 { 1412, 0x00d8 }, 153 { 1413, 0x1eb5 }, 154 { 1414, 0xf145 }, 155 { 1415, 0x0b75 }, 156 { 1416, 0x01c5 }, 157 { 1417, 0x1c58 }, 158 { 1418, 0xf373 }, 159 { 1419, 0x0a54 }, 160 { 1420, 0x0558 }, 161 { 1421, 0x168e }, 162 { 1422, 0xf829 }, 163 { 1423, 0x07ad }, 164 { 1424, 0x1103 }, 165 { 1425, 0x0564 }, 166 { 1426, 0x0559 }, 167 { 1427, 0x4000 }, 168 { 1568, 0x0002 }, 169 { 1792, 0xa100 }, 170 { 1793, 0xa101 }, 171 { 1794, 0xa101 }, 172 { 1795, 0xa101 }, 173 { 1796, 0xa101 }, 174 { 1797, 0xa101 }, 175 { 1798, 0xa101 }, 176 { 1799, 0xa101 }, 177 { 1800, 0xa101 }, 178 { 1801, 0xa101 }, 179 { 1802, 0xa101 }, 180 { 1803, 0xa101 }, 181 { 1804, 0xa101 }, 182 { 1805, 0xa101 }, 183 { 1825, 0x0055 }, 184 { 1848, 0x3fff }, 185 { 1849, 0x1fff }, 186 { 2049, 0x0001 }, 187 { 2050, 0x0069 }, 188 { 2056, 0x0002 }, 189 { 2057, 0x0003 }, 190 { 2058, 0x0069 }, 191 { 12288, 0x0001 }, 192 { 12289, 0x0001 }, 193 { 12291, 0x0006 }, 194 { 12292, 0x0040 }, 195 { 12293, 0x0001 }, 196 { 12294, 0x000f }, 197 { 12295, 0x0006 }, 198 { 12296, 0x0001 }, 199 { 12297, 0x0003 }, 200 { 12298, 0x0104 }, 201 { 12300, 0x0060 }, 202 { 12301, 0x0011 }, 203 { 12302, 0x0401 }, 204 { 12304, 0x0050 }, 205 { 12305, 0x0003 }, 206 { 12306, 0x0100 }, 207 { 12308, 0x0051 }, 208 { 12309, 0x0003 }, 209 { 12310, 0x0104 }, 210 { 12311, 0x000a }, 211 { 12312, 0x0060 }, 212 { 12313, 0x003b }, 213 { 12314, 0x0502 }, 214 { 12315, 0x0100 }, 215 { 12316, 0x2fff }, 216 { 12320, 0x2fff }, 217 { 12324, 0x2fff }, 218 { 12328, 0x2fff }, 219 { 12332, 0x2fff }, 220 { 12336, 0x2fff }, 221 { 12340, 0x2fff }, 222 { 12344, 0x2fff }, 223 { 12348, 0x2fff }, 224 { 12352, 0x0001 }, 225 { 12353, 0x0001 }, 226 { 12355, 0x0006 }, 227 { 12356, 0x0040 }, 228 { 12357, 0x0001 }, 229 { 12358, 0x000f }, 230 { 12359, 0x0006 }, 231 { 12360, 0x0001 }, 232 { 12361, 0x0003 }, 233 { 12362, 0x0104 }, 234 { 12364, 0x0060 }, 235 { 12365, 0x0011 }, 236 { 12366, 0x0401 }, 237 { 12368, 0x0050 }, 238 { 12369, 0x0003 }, 239 { 12370, 0x0100 }, 240 { 12372, 0x0060 }, 241 { 12373, 0x003b }, 242 { 12374, 0x0502 }, 243 { 12375, 0x0100 }, 244 { 12376, 0x2fff }, 245 { 12380, 0x2fff }, 246 { 12384, 0x2fff }, 247 { 12388, 0x2fff }, 248 { 12392, 0x2fff }, 249 { 12396, 0x2fff }, 250 { 12400, 0x2fff }, 251 { 12404, 0x2fff }, 252 { 12408, 0x2fff }, 253 { 12412, 0x2fff }, 254 { 12416, 0x0001 }, 255 { 12417, 0x0001 }, 256 { 12419, 0x0006 }, 257 { 12420, 0x0040 }, 258 { 12421, 0x0001 }, 259 { 12422, 0x000f }, 260 { 12423, 0x0006 }, 261 { 12424, 0x0001 }, 262 { 12425, 0x0003 }, 263 { 12426, 0x0106 }, 264 { 12428, 0x0061 }, 265 { 12429, 0x0011 }, 266 { 12430, 0x0401 }, 267 { 12432, 0x0050 }, 268 { 12433, 0x0003 }, 269 { 12434, 0x0102 }, 270 { 12436, 0x0051 }, 271 { 12437, 0x0003 }, 272 { 12438, 0x0106 }, 273 { 12439, 0x000a }, 274 { 12440, 0x0061 }, 275 { 12441, 0x003b }, 276 { 12442, 0x0502 }, 277 { 12443, 0x0100 }, 278 { 12444, 0x2fff }, 279 { 12448, 0x2fff }, 280 { 12452, 0x2fff }, 281 { 12456, 0x2fff }, 282 { 12460, 0x2fff }, 283 { 12464, 0x2fff }, 284 { 12468, 0x2fff }, 285 { 12472, 0x2fff }, 286 { 12476, 0x2fff }, 287 { 12480, 0x0001 }, 288 { 12481, 0x0001 }, 289 { 12483, 0x0006 }, 290 { 12484, 0x0040 }, 291 { 12485, 0x0001 }, 292 { 12486, 0x000f }, 293 { 12487, 0x0006 }, 294 { 12488, 0x0001 }, 295 { 12489, 0x0003 }, 296 { 12490, 0x0106 }, 297 { 12492, 0x0061 }, 298 { 12493, 0x0011 }, 299 { 12494, 0x0401 }, 300 { 12496, 0x0050 }, 301 { 12497, 0x0003 }, 302 { 12498, 0x0102 }, 303 { 12500, 0x0061 }, 304 { 12501, 0x003b }, 305 { 12502, 0x0502 }, 306 { 12503, 0x0100 }, 307 { 12504, 0x2fff }, 308 { 12508, 0x2fff }, 309 { 12512, 0x2fff }, 310 { 12516, 0x2fff }, 311 { 12520, 0x2fff }, 312 { 12524, 0x2fff }, 313 { 12528, 0x2fff }, 314 { 12532, 0x2fff }, 315 { 12536, 0x2fff }, 316 { 12540, 0x2fff }, 317 { 12544, 0x0060 }, 318 { 12546, 0x0601 }, 319 { 12548, 0x0050 }, 320 { 12550, 0x0100 }, 321 { 12552, 0x0001 }, 322 { 12554, 0x0104 }, 323 { 12555, 0x0100 }, 324 { 12556, 0x2fff }, 325 { 12560, 0x2fff }, 326 { 12564, 0x2fff }, 327 { 12568, 0x2fff }, 328 { 12572, 0x2fff }, 329 { 12576, 0x2fff }, 330 { 12580, 0x2fff }, 331 { 12584, 0x2fff }, 332 { 12588, 0x2fff }, 333 { 12592, 0x2fff }, 334 { 12596, 0x2fff }, 335 { 12600, 0x2fff }, 336 { 12604, 0x2fff }, 337 { 12608, 0x0061 }, 338 { 12610, 0x0601 }, 339 { 12612, 0x0050 }, 340 { 12614, 0x0102 }, 341 { 12616, 0x0001 }, 342 { 12618, 0x0106 }, 343 { 12619, 0x0100 }, 344 { 12620, 0x2fff }, 345 { 12624, 0x2fff }, 346 { 12628, 0x2fff }, 347 { 12632, 0x2fff }, 348 { 12636, 0x2fff }, 349 { 12640, 0x2fff }, 350 { 12644, 0x2fff }, 351 { 12648, 0x2fff }, 352 { 12652, 0x2fff }, 353 { 12656, 0x2fff }, 354 { 12660, 0x2fff }, 355 { 12664, 0x2fff }, 356 { 12668, 0x2fff }, 357 { 12672, 0x0060 }, 358 { 12674, 0x0601 }, 359 { 12676, 0x0061 }, 360 { 12678, 0x0601 }, 361 { 12680, 0x0050 }, 362 { 12682, 0x0300 }, 363 { 12684, 0x0001 }, 364 { 12686, 0x0304 }, 365 { 12688, 0x0040 }, 366 { 12690, 0x000f }, 367 { 12692, 0x0001 }, 368 { 12695, 0x0100 }, 369 }; 370 371 struct fll_config { 372 int src; 373 int in; 374 int out; 375 }; 376 377 struct wm8995_priv { 378 struct regmap *regmap; 379 int sysclk[2]; 380 int mclk[2]; 381 int aifclk[2]; 382 struct fll_config fll[2], fll_suspend[2]; 383 struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES]; 384 struct notifier_block disable_nb[WM8995_NUM_SUPPLIES]; 385 struct snd_soc_component *component; 386 }; 387 388 /* 389 * We can't use the same notifier block for more than one supply and 390 * there's no way I can see to get from a callback to the caller 391 * except container_of(). 392 */ 393 #define WM8995_REGULATOR_EVENT(n) \ 394 static int wm8995_regulator_event_##n(struct notifier_block *nb, \ 395 unsigned long event, void *data) \ 396 { \ 397 struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \ 398 disable_nb[n]); \ 399 if (event & REGULATOR_EVENT_DISABLE) { \ 400 regcache_mark_dirty(wm8995->regmap); \ 401 } \ 402 return 0; \ 403 } 404 405 WM8995_REGULATOR_EVENT(0) 406 WM8995_REGULATOR_EVENT(1) 407 WM8995_REGULATOR_EVENT(2) 408 WM8995_REGULATOR_EVENT(3) 409 WM8995_REGULATOR_EVENT(4) 410 WM8995_REGULATOR_EVENT(5) 411 WM8995_REGULATOR_EVENT(6) 412 WM8995_REGULATOR_EVENT(7) 413 414 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); 415 static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0); 416 static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0); 417 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0); 418 419 static const char *in1l_text[] = { 420 "Differential", "Single-ended IN1LN", "Single-ended IN1LP" 421 }; 422 423 static SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL, 424 2, in1l_text); 425 426 static const char *in1r_text[] = { 427 "Differential", "Single-ended IN1RN", "Single-ended IN1RP" 428 }; 429 430 static SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL, 431 0, in1r_text); 432 433 static const char *dmic_src_text[] = { 434 "DMICDAT1", "DMICDAT2", "DMICDAT3" 435 }; 436 437 static SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5, 438 8, dmic_src_text); 439 static SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5, 440 6, dmic_src_text); 441 442 static const struct snd_kcontrol_new wm8995_snd_controls[] = { 443 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME, 444 WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 445 SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME, 446 WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1), 447 448 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME, 449 WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 450 SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME, 451 WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1), 452 453 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME, 454 WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 455 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME, 456 WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 457 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME, 458 WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 459 460 SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME, 461 WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv), 462 463 SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL, 464 4, 3, 0, in1l_boost_tlv), 465 466 SOC_ENUM("IN1L Mode", in1l_enum), 467 SOC_ENUM("IN1R Mode", in1r_enum), 468 469 SOC_ENUM("DMIC1 SRC", dmic_src1_enum), 470 SOC_ENUM("DMIC2 SRC", dmic_src2_enum), 471 472 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5, 473 24, 0, sidetone_tlv), 474 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5, 475 24, 0, sidetone_tlv), 476 477 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME, 478 WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 479 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME, 480 WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv), 481 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME, 482 WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv) 483 }; 484 485 static void wm8995_update_class_w(struct snd_soc_component *component) 486 { 487 int enable = 1; 488 int source = 0; /* GCC flow analysis can't track enable */ 489 int reg, reg_r; 490 491 /* We also need the same setting for L/R and only one path */ 492 reg = snd_soc_component_read32(component, WM8995_DAC1_LEFT_MIXER_ROUTING); 493 switch (reg) { 494 case WM8995_AIF2DACL_TO_DAC1L: 495 dev_dbg(component->dev, "Class W source AIF2DAC\n"); 496 source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT; 497 break; 498 case WM8995_AIF1DAC2L_TO_DAC1L: 499 dev_dbg(component->dev, "Class W source AIF1DAC2\n"); 500 source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT; 501 break; 502 case WM8995_AIF1DAC1L_TO_DAC1L: 503 dev_dbg(component->dev, "Class W source AIF1DAC1\n"); 504 source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT; 505 break; 506 default: 507 dev_dbg(component->dev, "DAC mixer setting: %x\n", reg); 508 enable = 0; 509 break; 510 } 511 512 reg_r = snd_soc_component_read32(component, WM8995_DAC1_RIGHT_MIXER_ROUTING); 513 if (reg_r != reg) { 514 dev_dbg(component->dev, "Left and right DAC mixers different\n"); 515 enable = 0; 516 } 517 518 if (enable) { 519 dev_dbg(component->dev, "Class W enabled\n"); 520 snd_soc_component_update_bits(component, WM8995_CLASS_W_1, 521 WM8995_CP_DYN_PWR_MASK | 522 WM8995_CP_DYN_SRC_SEL_MASK, 523 source | WM8995_CP_DYN_PWR); 524 } else { 525 dev_dbg(component->dev, "Class W disabled\n"); 526 snd_soc_component_update_bits(component, WM8995_CLASS_W_1, 527 WM8995_CP_DYN_PWR_MASK, 0); 528 } 529 } 530 531 static int check_clk_sys(struct snd_soc_dapm_widget *source, 532 struct snd_soc_dapm_widget *sink) 533 { 534 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm); 535 unsigned int reg; 536 const char *clk; 537 538 reg = snd_soc_component_read32(component, WM8995_CLOCKING_1); 539 /* Check what we're currently using for CLK_SYS */ 540 if (reg & WM8995_SYSCLK_SRC) 541 clk = "AIF2CLK"; 542 else 543 clk = "AIF1CLK"; 544 return !strcmp(source->name, clk); 545 } 546 547 static int wm8995_put_class_w(struct snd_kcontrol *kcontrol, 548 struct snd_ctl_elem_value *ucontrol) 549 { 550 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); 551 int ret; 552 553 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol); 554 wm8995_update_class_w(component); 555 return ret; 556 } 557 558 static int hp_supply_event(struct snd_soc_dapm_widget *w, 559 struct snd_kcontrol *kcontrol, int event) 560 { 561 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 562 563 switch (event) { 564 case SND_SOC_DAPM_PRE_PMU: 565 /* Enable the headphone amp */ 566 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1, 567 WM8995_HPOUT1L_ENA_MASK | 568 WM8995_HPOUT1R_ENA_MASK, 569 WM8995_HPOUT1L_ENA | 570 WM8995_HPOUT1R_ENA); 571 572 /* Enable the second stage */ 573 snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1, 574 WM8995_HPOUT1L_DLY_MASK | 575 WM8995_HPOUT1R_DLY_MASK, 576 WM8995_HPOUT1L_DLY | 577 WM8995_HPOUT1R_DLY); 578 break; 579 case SND_SOC_DAPM_PRE_PMD: 580 snd_soc_component_update_bits(component, WM8995_CHARGE_PUMP_1, 581 WM8995_CP_ENA_MASK, 0); 582 break; 583 } 584 585 return 0; 586 } 587 588 static void dc_servo_cmd(struct snd_soc_component *component, 589 unsigned int reg, unsigned int val, unsigned int mask) 590 { 591 int timeout = 10; 592 593 dev_dbg(component->dev, "%s: reg = %#x, val = %#x, mask = %#x\n", 594 __func__, reg, val, mask); 595 596 snd_soc_component_write(component, reg, val); 597 while (timeout--) { 598 msleep(10); 599 val = snd_soc_component_read32(component, WM8995_DC_SERVO_READBACK_0); 600 if ((val & mask) == mask) 601 return; 602 } 603 604 dev_err(component->dev, "Timed out waiting for DC Servo\n"); 605 } 606 607 static int hp_event(struct snd_soc_dapm_widget *w, 608 struct snd_kcontrol *kcontrol, int event) 609 { 610 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 611 unsigned int reg; 612 613 reg = snd_soc_component_read32(component, WM8995_ANALOGUE_HP_1); 614 615 switch (event) { 616 case SND_SOC_DAPM_POST_PMU: 617 snd_soc_component_update_bits(component, WM8995_CHARGE_PUMP_1, 618 WM8995_CP_ENA_MASK, WM8995_CP_ENA); 619 620 msleep(5); 621 622 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1, 623 WM8995_HPOUT1L_ENA_MASK | 624 WM8995_HPOUT1R_ENA_MASK, 625 WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA); 626 627 udelay(20); 628 629 reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY; 630 snd_soc_component_write(component, WM8995_ANALOGUE_HP_1, reg); 631 632 snd_soc_component_write(component, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 | 633 WM8995_DCS_ENA_CHAN_1); 634 635 dc_servo_cmd(component, WM8995_DC_SERVO_2, 636 WM8995_DCS_TRIG_STARTUP_0 | 637 WM8995_DCS_TRIG_STARTUP_1, 638 WM8995_DCS_TRIG_DAC_WR_0 | 639 WM8995_DCS_TRIG_DAC_WR_1); 640 641 reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT | 642 WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT; 643 snd_soc_component_write(component, WM8995_ANALOGUE_HP_1, reg); 644 645 break; 646 case SND_SOC_DAPM_PRE_PMD: 647 snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1, 648 WM8995_HPOUT1L_OUTP_MASK | 649 WM8995_HPOUT1R_OUTP_MASK | 650 WM8995_HPOUT1L_RMV_SHORT_MASK | 651 WM8995_HPOUT1R_RMV_SHORT_MASK, 0); 652 653 snd_soc_component_update_bits(component, WM8995_ANALOGUE_HP_1, 654 WM8995_HPOUT1L_DLY_MASK | 655 WM8995_HPOUT1R_DLY_MASK, 0); 656 657 snd_soc_component_write(component, WM8995_DC_SERVO_1, 0); 658 659 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1, 660 WM8995_HPOUT1L_ENA_MASK | 661 WM8995_HPOUT1R_ENA_MASK, 662 0); 663 break; 664 } 665 666 return 0; 667 } 668 669 static int configure_aif_clock(struct snd_soc_component *component, int aif) 670 { 671 struct wm8995_priv *wm8995; 672 int rate; 673 int reg1 = 0; 674 int offset; 675 676 wm8995 = snd_soc_component_get_drvdata(component); 677 678 if (aif) 679 offset = 4; 680 else 681 offset = 0; 682 683 switch (wm8995->sysclk[aif]) { 684 case WM8995_SYSCLK_MCLK1: 685 rate = wm8995->mclk[0]; 686 break; 687 case WM8995_SYSCLK_MCLK2: 688 reg1 |= 0x8; 689 rate = wm8995->mclk[1]; 690 break; 691 case WM8995_SYSCLK_FLL1: 692 reg1 |= 0x10; 693 rate = wm8995->fll[0].out; 694 break; 695 case WM8995_SYSCLK_FLL2: 696 reg1 |= 0x18; 697 rate = wm8995->fll[1].out; 698 break; 699 default: 700 return -EINVAL; 701 } 702 703 if (rate >= 13500000) { 704 rate /= 2; 705 reg1 |= WM8995_AIF1CLK_DIV; 706 707 dev_dbg(component->dev, "Dividing AIF%d clock to %dHz\n", 708 aif + 1, rate); 709 } 710 711 wm8995->aifclk[aif] = rate; 712 713 snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1 + offset, 714 WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK, 715 reg1); 716 return 0; 717 } 718 719 static int configure_clock(struct snd_soc_component *component) 720 { 721 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 722 struct wm8995_priv *wm8995; 723 int change, new; 724 725 wm8995 = snd_soc_component_get_drvdata(component); 726 727 /* Bring up the AIF clocks first */ 728 configure_aif_clock(component, 0); 729 configure_aif_clock(component, 1); 730 731 /* 732 * Then switch CLK_SYS over to the higher of them; a change 733 * can only happen as a result of a clocking change which can 734 * only be made outside of DAPM so we can safely redo the 735 * clocking. 736 */ 737 738 /* If they're equal it doesn't matter which is used */ 739 if (wm8995->aifclk[0] == wm8995->aifclk[1]) 740 return 0; 741 742 if (wm8995->aifclk[0] < wm8995->aifclk[1]) 743 new = WM8995_SYSCLK_SRC; 744 else 745 new = 0; 746 747 change = snd_soc_component_update_bits(component, WM8995_CLOCKING_1, 748 WM8995_SYSCLK_SRC_MASK, new); 749 if (!change) 750 return 0; 751 752 snd_soc_dapm_sync(dapm); 753 754 return 0; 755 } 756 757 static int clk_sys_event(struct snd_soc_dapm_widget *w, 758 struct snd_kcontrol *kcontrol, int event) 759 { 760 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 761 762 switch (event) { 763 case SND_SOC_DAPM_PRE_PMU: 764 return configure_clock(component); 765 766 case SND_SOC_DAPM_POST_PMD: 767 configure_clock(component); 768 break; 769 } 770 771 return 0; 772 } 773 774 static const char *sidetone_text[] = { 775 "ADC/DMIC1", "DMIC2", 776 }; 777 778 static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8995_SIDETONE, 0, sidetone_text); 779 780 static const struct snd_kcontrol_new sidetone1_mux = 781 SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum); 782 783 static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8995_SIDETONE, 1, sidetone_text); 784 785 static const struct snd_kcontrol_new sidetone2_mux = 786 SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum); 787 788 static const struct snd_kcontrol_new aif1adc1l_mix[] = { 789 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING, 790 1, 1, 0), 791 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING, 792 0, 1, 0), 793 }; 794 795 static const struct snd_kcontrol_new aif1adc1r_mix[] = { 796 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING, 797 1, 1, 0), 798 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING, 799 0, 1, 0), 800 }; 801 802 static const struct snd_kcontrol_new aif1adc2l_mix[] = { 803 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING, 804 1, 1, 0), 805 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING, 806 0, 1, 0), 807 }; 808 809 static const struct snd_kcontrol_new aif1adc2r_mix[] = { 810 SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING, 811 1, 1, 0), 812 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING, 813 0, 1, 0), 814 }; 815 816 static const struct snd_kcontrol_new dac1l_mix[] = { 817 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING, 818 5, 1, 0), 819 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING, 820 4, 1, 0), 821 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING, 822 2, 1, 0), 823 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING, 824 1, 1, 0), 825 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING, 826 0, 1, 0), 827 }; 828 829 static const struct snd_kcontrol_new dac1r_mix[] = { 830 WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING, 831 5, 1, 0), 832 WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING, 833 4, 1, 0), 834 WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING, 835 2, 1, 0), 836 WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING, 837 1, 1, 0), 838 WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING, 839 0, 1, 0), 840 }; 841 842 static const struct snd_kcontrol_new aif2dac2l_mix[] = { 843 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING, 844 5, 1, 0), 845 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING, 846 4, 1, 0), 847 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING, 848 2, 1, 0), 849 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING, 850 1, 1, 0), 851 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING, 852 0, 1, 0), 853 }; 854 855 static const struct snd_kcontrol_new aif2dac2r_mix[] = { 856 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING, 857 5, 1, 0), 858 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING, 859 4, 1, 0), 860 SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING, 861 2, 1, 0), 862 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING, 863 1, 1, 0), 864 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING, 865 0, 1, 0), 866 }; 867 868 static const struct snd_kcontrol_new in1l_pga = 869 SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0); 870 871 static const struct snd_kcontrol_new in1r_pga = 872 SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0); 873 874 static const char *adc_mux_text[] = { 875 "ADC", 876 "DMIC", 877 }; 878 879 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text); 880 881 static const struct snd_kcontrol_new adcl_mux = 882 SOC_DAPM_ENUM("ADCL Mux", adc_enum); 883 884 static const struct snd_kcontrol_new adcr_mux = 885 SOC_DAPM_ENUM("ADCR Mux", adc_enum); 886 887 static const char *spk_src_text[] = { 888 "DAC1L", "DAC1R", "DAC2L", "DAC2R" 889 }; 890 891 static SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1, 892 0, spk_src_text); 893 static SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1, 894 0, spk_src_text); 895 static SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2, 896 0, spk_src_text); 897 static SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2, 898 0, spk_src_text); 899 900 static const struct snd_kcontrol_new spk1l_mux = 901 SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum); 902 static const struct snd_kcontrol_new spk1r_mux = 903 SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum); 904 static const struct snd_kcontrol_new spk2l_mux = 905 SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum); 906 static const struct snd_kcontrol_new spk2r_mux = 907 SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum); 908 909 static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = { 910 SND_SOC_DAPM_INPUT("DMIC1DAT"), 911 SND_SOC_DAPM_INPUT("DMIC2DAT"), 912 913 SND_SOC_DAPM_INPUT("IN1L"), 914 SND_SOC_DAPM_INPUT("IN1R"), 915 916 SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0, 917 &in1l_pga, 1), 918 SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0, 919 &in1r_pga, 1), 920 921 SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0, 922 NULL, 0), 923 SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0, 924 NULL, 0), 925 926 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0), 927 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0), 928 SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0), 929 SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0), 930 SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0), 931 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event, 932 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 933 934 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0, 935 WM8995_POWER_MANAGEMENT_3, 9, 0), 936 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0, 937 WM8995_POWER_MANAGEMENT_3, 8, 0), 938 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0, 939 SND_SOC_NOPM, 0, 0), 940 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture", 941 0, WM8995_POWER_MANAGEMENT_3, 11, 0), 942 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture", 943 0, WM8995_POWER_MANAGEMENT_3, 10, 0), 944 945 SND_SOC_DAPM_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0, &adcl_mux), 946 SND_SOC_DAPM_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0, &adcr_mux), 947 948 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0), 949 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0), 950 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0), 951 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0), 952 953 SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0), 954 SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0), 955 956 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0, 957 aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)), 958 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0, 959 aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)), 960 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0, 961 aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)), 962 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0, 963 aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)), 964 965 SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4, 966 9, 0), 967 SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4, 968 8, 0), 969 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM, 970 0, 0), 971 972 SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4, 973 11, 0), 974 SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4, 975 10, 0), 976 977 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0, 978 aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)), 979 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0, 980 aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)), 981 982 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0), 983 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0), 984 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0), 985 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0), 986 987 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix, 988 ARRAY_SIZE(dac1l_mix)), 989 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix, 990 ARRAY_SIZE(dac1r_mix)), 991 992 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux), 993 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux), 994 995 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0, 996 hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 997 998 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, 999 hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), 1000 1001 SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1, 1002 4, 0, &spk1l_mux), 1003 SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1, 1004 4, 0, &spk1r_mux), 1005 SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2, 1006 4, 0, &spk2l_mux), 1007 SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2, 1008 4, 0, &spk2r_mux), 1009 1010 SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0), 1011 1012 SND_SOC_DAPM_OUTPUT("HP1L"), 1013 SND_SOC_DAPM_OUTPUT("HP1R"), 1014 SND_SOC_DAPM_OUTPUT("SPK1L"), 1015 SND_SOC_DAPM_OUTPUT("SPK1R"), 1016 SND_SOC_DAPM_OUTPUT("SPK2L"), 1017 SND_SOC_DAPM_OUTPUT("SPK2R") 1018 }; 1019 1020 static const struct snd_soc_dapm_route wm8995_intercon[] = { 1021 { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys }, 1022 { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys }, 1023 1024 { "DSP1CLK", NULL, "CLK_SYS" }, 1025 { "DSP2CLK", NULL, "CLK_SYS" }, 1026 { "SYSDSPCLK", NULL, "CLK_SYS" }, 1027 1028 { "AIF1ADC1L", NULL, "AIF1CLK" }, 1029 { "AIF1ADC1L", NULL, "DSP1CLK" }, 1030 { "AIF1ADC1R", NULL, "AIF1CLK" }, 1031 { "AIF1ADC1R", NULL, "DSP1CLK" }, 1032 { "AIF1ADC1R", NULL, "SYSDSPCLK" }, 1033 1034 { "AIF1ADC2L", NULL, "AIF1CLK" }, 1035 { "AIF1ADC2L", NULL, "DSP1CLK" }, 1036 { "AIF1ADC2R", NULL, "AIF1CLK" }, 1037 { "AIF1ADC2R", NULL, "DSP1CLK" }, 1038 { "AIF1ADC2R", NULL, "SYSDSPCLK" }, 1039 1040 { "DMIC1L", NULL, "DMIC1DAT" }, 1041 { "DMIC1L", NULL, "CLK_SYS" }, 1042 { "DMIC1R", NULL, "DMIC1DAT" }, 1043 { "DMIC1R", NULL, "CLK_SYS" }, 1044 { "DMIC2L", NULL, "DMIC2DAT" }, 1045 { "DMIC2L", NULL, "CLK_SYS" }, 1046 { "DMIC2R", NULL, "DMIC2DAT" }, 1047 { "DMIC2R", NULL, "CLK_SYS" }, 1048 1049 { "ADCL", NULL, "AIF1CLK" }, 1050 { "ADCL", NULL, "DSP1CLK" }, 1051 { "ADCL", NULL, "SYSDSPCLK" }, 1052 1053 { "ADCR", NULL, "AIF1CLK" }, 1054 { "ADCR", NULL, "DSP1CLK" }, 1055 { "ADCR", NULL, "SYSDSPCLK" }, 1056 1057 { "IN1L PGA", "IN1L Switch", "IN1L" }, 1058 { "IN1R PGA", "IN1R Switch", "IN1R" }, 1059 { "IN1L PGA", NULL, "LDO2" }, 1060 { "IN1R PGA", NULL, "LDO2" }, 1061 1062 { "ADCL", NULL, "IN1L PGA" }, 1063 { "ADCR", NULL, "IN1R PGA" }, 1064 1065 { "ADCL Mux", "ADC", "ADCL" }, 1066 { "ADCL Mux", "DMIC", "DMIC1L" }, 1067 { "ADCR Mux", "ADC", "ADCR" }, 1068 { "ADCR Mux", "DMIC", "DMIC1R" }, 1069 1070 /* AIF1 outputs */ 1071 { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" }, 1072 { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" }, 1073 1074 { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" }, 1075 { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" }, 1076 1077 { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" }, 1078 { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" }, 1079 1080 { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" }, 1081 { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" }, 1082 1083 /* Sidetone */ 1084 { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" }, 1085 { "Left Sidetone", "DMIC2", "AIF1ADC2L" }, 1086 { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" }, 1087 { "Right Sidetone", "DMIC2", "AIF1ADC2R" }, 1088 1089 { "AIF1DAC1L", NULL, "AIF1CLK" }, 1090 { "AIF1DAC1L", NULL, "DSP1CLK" }, 1091 { "AIF1DAC1R", NULL, "AIF1CLK" }, 1092 { "AIF1DAC1R", NULL, "DSP1CLK" }, 1093 { "AIF1DAC1R", NULL, "SYSDSPCLK" }, 1094 1095 { "AIF1DAC2L", NULL, "AIF1CLK" }, 1096 { "AIF1DAC2L", NULL, "DSP1CLK" }, 1097 { "AIF1DAC2R", NULL, "AIF1CLK" }, 1098 { "AIF1DAC2R", NULL, "DSP1CLK" }, 1099 { "AIF1DAC2R", NULL, "SYSDSPCLK" }, 1100 1101 { "DAC1L", NULL, "AIF1CLK" }, 1102 { "DAC1L", NULL, "DSP1CLK" }, 1103 { "DAC1L", NULL, "SYSDSPCLK" }, 1104 1105 { "DAC1R", NULL, "AIF1CLK" }, 1106 { "DAC1R", NULL, "DSP1CLK" }, 1107 { "DAC1R", NULL, "SYSDSPCLK" }, 1108 1109 { "AIF1DAC1L", NULL, "AIF1DACDAT" }, 1110 { "AIF1DAC1R", NULL, "AIF1DACDAT" }, 1111 { "AIF1DAC2L", NULL, "AIF1DACDAT" }, 1112 { "AIF1DAC2R", NULL, "AIF1DACDAT" }, 1113 1114 /* DAC1 inputs */ 1115 { "DAC1L", NULL, "DAC1L Mixer" }, 1116 { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" }, 1117 { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" }, 1118 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1119 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1120 1121 { "DAC1R", NULL, "DAC1R Mixer" }, 1122 { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" }, 1123 { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" }, 1124 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" }, 1125 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" }, 1126 1127 /* DAC2/AIF2 outputs */ 1128 { "DAC2L", NULL, "AIF2DAC2L Mixer" }, 1129 { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" }, 1130 { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" }, 1131 1132 { "DAC2R", NULL, "AIF2DAC2R Mixer" }, 1133 { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" }, 1134 { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" }, 1135 1136 /* Output stages */ 1137 { "Headphone PGA", NULL, "DAC1L" }, 1138 { "Headphone PGA", NULL, "DAC1R" }, 1139 1140 { "Headphone PGA", NULL, "DAC2L" }, 1141 { "Headphone PGA", NULL, "DAC2R" }, 1142 1143 { "Headphone PGA", NULL, "Headphone Supply" }, 1144 { "Headphone PGA", NULL, "CLK_SYS" }, 1145 { "Headphone PGA", NULL, "LDO2" }, 1146 1147 { "HP1L", NULL, "Headphone PGA" }, 1148 { "HP1R", NULL, "Headphone PGA" }, 1149 1150 { "SPK1L Driver", "DAC1L", "DAC1L" }, 1151 { "SPK1L Driver", "DAC1R", "DAC1R" }, 1152 { "SPK1L Driver", "DAC2L", "DAC2L" }, 1153 { "SPK1L Driver", "DAC2R", "DAC2R" }, 1154 { "SPK1L Driver", NULL, "CLK_SYS" }, 1155 1156 { "SPK1R Driver", "DAC1L", "DAC1L" }, 1157 { "SPK1R Driver", "DAC1R", "DAC1R" }, 1158 { "SPK1R Driver", "DAC2L", "DAC2L" }, 1159 { "SPK1R Driver", "DAC2R", "DAC2R" }, 1160 { "SPK1R Driver", NULL, "CLK_SYS" }, 1161 1162 { "SPK2L Driver", "DAC1L", "DAC1L" }, 1163 { "SPK2L Driver", "DAC1R", "DAC1R" }, 1164 { "SPK2L Driver", "DAC2L", "DAC2L" }, 1165 { "SPK2L Driver", "DAC2R", "DAC2R" }, 1166 { "SPK2L Driver", NULL, "CLK_SYS" }, 1167 1168 { "SPK2R Driver", "DAC1L", "DAC1L" }, 1169 { "SPK2R Driver", "DAC1R", "DAC1R" }, 1170 { "SPK2R Driver", "DAC2L", "DAC2L" }, 1171 { "SPK2R Driver", "DAC2R", "DAC2R" }, 1172 { "SPK2R Driver", NULL, "CLK_SYS" }, 1173 1174 { "SPK1L", NULL, "SPK1L Driver" }, 1175 { "SPK1R", NULL, "SPK1R Driver" }, 1176 { "SPK2L", NULL, "SPK2L Driver" }, 1177 { "SPK2R", NULL, "SPK2R Driver" } 1178 }; 1179 1180 static bool wm8995_readable(struct device *dev, unsigned int reg) 1181 { 1182 switch (reg) { 1183 case WM8995_SOFTWARE_RESET: 1184 case WM8995_POWER_MANAGEMENT_1: 1185 case WM8995_POWER_MANAGEMENT_2: 1186 case WM8995_POWER_MANAGEMENT_3: 1187 case WM8995_POWER_MANAGEMENT_4: 1188 case WM8995_POWER_MANAGEMENT_5: 1189 case WM8995_LEFT_LINE_INPUT_1_VOLUME: 1190 case WM8995_RIGHT_LINE_INPUT_1_VOLUME: 1191 case WM8995_LEFT_LINE_INPUT_CONTROL: 1192 case WM8995_DAC1_LEFT_VOLUME: 1193 case WM8995_DAC1_RIGHT_VOLUME: 1194 case WM8995_DAC2_LEFT_VOLUME: 1195 case WM8995_DAC2_RIGHT_VOLUME: 1196 case WM8995_OUTPUT_VOLUME_ZC_1: 1197 case WM8995_MICBIAS_1: 1198 case WM8995_MICBIAS_2: 1199 case WM8995_LDO_1: 1200 case WM8995_LDO_2: 1201 case WM8995_ACCESSORY_DETECT_MODE1: 1202 case WM8995_ACCESSORY_DETECT_MODE2: 1203 case WM8995_HEADPHONE_DETECT1: 1204 case WM8995_HEADPHONE_DETECT2: 1205 case WM8995_MIC_DETECT_1: 1206 case WM8995_MIC_DETECT_2: 1207 case WM8995_CHARGE_PUMP_1: 1208 case WM8995_CLASS_W_1: 1209 case WM8995_DC_SERVO_1: 1210 case WM8995_DC_SERVO_2: 1211 case WM8995_DC_SERVO_3: 1212 case WM8995_DC_SERVO_5: 1213 case WM8995_DC_SERVO_6: 1214 case WM8995_DC_SERVO_7: 1215 case WM8995_DC_SERVO_READBACK_0: 1216 case WM8995_ANALOGUE_HP_1: 1217 case WM8995_ANALOGUE_HP_2: 1218 case WM8995_CHIP_REVISION: 1219 case WM8995_CONTROL_INTERFACE_1: 1220 case WM8995_CONTROL_INTERFACE_2: 1221 case WM8995_WRITE_SEQUENCER_CTRL_1: 1222 case WM8995_WRITE_SEQUENCER_CTRL_2: 1223 case WM8995_AIF1_CLOCKING_1: 1224 case WM8995_AIF1_CLOCKING_2: 1225 case WM8995_AIF2_CLOCKING_1: 1226 case WM8995_AIF2_CLOCKING_2: 1227 case WM8995_CLOCKING_1: 1228 case WM8995_CLOCKING_2: 1229 case WM8995_AIF1_RATE: 1230 case WM8995_AIF2_RATE: 1231 case WM8995_RATE_STATUS: 1232 case WM8995_FLL1_CONTROL_1: 1233 case WM8995_FLL1_CONTROL_2: 1234 case WM8995_FLL1_CONTROL_3: 1235 case WM8995_FLL1_CONTROL_4: 1236 case WM8995_FLL1_CONTROL_5: 1237 case WM8995_FLL2_CONTROL_1: 1238 case WM8995_FLL2_CONTROL_2: 1239 case WM8995_FLL2_CONTROL_3: 1240 case WM8995_FLL2_CONTROL_4: 1241 case WM8995_FLL2_CONTROL_5: 1242 case WM8995_AIF1_CONTROL_1: 1243 case WM8995_AIF1_CONTROL_2: 1244 case WM8995_AIF1_MASTER_SLAVE: 1245 case WM8995_AIF1_BCLK: 1246 case WM8995_AIF1ADC_LRCLK: 1247 case WM8995_AIF1DAC_LRCLK: 1248 case WM8995_AIF1DAC_DATA: 1249 case WM8995_AIF1ADC_DATA: 1250 case WM8995_AIF2_CONTROL_1: 1251 case WM8995_AIF2_CONTROL_2: 1252 case WM8995_AIF2_MASTER_SLAVE: 1253 case WM8995_AIF2_BCLK: 1254 case WM8995_AIF2ADC_LRCLK: 1255 case WM8995_AIF2DAC_LRCLK: 1256 case WM8995_AIF2DAC_DATA: 1257 case WM8995_AIF2ADC_DATA: 1258 case WM8995_AIF1_ADC1_LEFT_VOLUME: 1259 case WM8995_AIF1_ADC1_RIGHT_VOLUME: 1260 case WM8995_AIF1_DAC1_LEFT_VOLUME: 1261 case WM8995_AIF1_DAC1_RIGHT_VOLUME: 1262 case WM8995_AIF1_ADC2_LEFT_VOLUME: 1263 case WM8995_AIF1_ADC2_RIGHT_VOLUME: 1264 case WM8995_AIF1_DAC2_LEFT_VOLUME: 1265 case WM8995_AIF1_DAC2_RIGHT_VOLUME: 1266 case WM8995_AIF1_ADC1_FILTERS: 1267 case WM8995_AIF1_ADC2_FILTERS: 1268 case WM8995_AIF1_DAC1_FILTERS_1: 1269 case WM8995_AIF1_DAC1_FILTERS_2: 1270 case WM8995_AIF1_DAC2_FILTERS_1: 1271 case WM8995_AIF1_DAC2_FILTERS_2: 1272 case WM8995_AIF1_DRC1_1: 1273 case WM8995_AIF1_DRC1_2: 1274 case WM8995_AIF1_DRC1_3: 1275 case WM8995_AIF1_DRC1_4: 1276 case WM8995_AIF1_DRC1_5: 1277 case WM8995_AIF1_DRC2_1: 1278 case WM8995_AIF1_DRC2_2: 1279 case WM8995_AIF1_DRC2_3: 1280 case WM8995_AIF1_DRC2_4: 1281 case WM8995_AIF1_DRC2_5: 1282 case WM8995_AIF1_DAC1_EQ_GAINS_1: 1283 case WM8995_AIF1_DAC1_EQ_GAINS_2: 1284 case WM8995_AIF1_DAC1_EQ_BAND_1_A: 1285 case WM8995_AIF1_DAC1_EQ_BAND_1_B: 1286 case WM8995_AIF1_DAC1_EQ_BAND_1_PG: 1287 case WM8995_AIF1_DAC1_EQ_BAND_2_A: 1288 case WM8995_AIF1_DAC1_EQ_BAND_2_B: 1289 case WM8995_AIF1_DAC1_EQ_BAND_2_C: 1290 case WM8995_AIF1_DAC1_EQ_BAND_2_PG: 1291 case WM8995_AIF1_DAC1_EQ_BAND_3_A: 1292 case WM8995_AIF1_DAC1_EQ_BAND_3_B: 1293 case WM8995_AIF1_DAC1_EQ_BAND_3_C: 1294 case WM8995_AIF1_DAC1_EQ_BAND_3_PG: 1295 case WM8995_AIF1_DAC1_EQ_BAND_4_A: 1296 case WM8995_AIF1_DAC1_EQ_BAND_4_B: 1297 case WM8995_AIF1_DAC1_EQ_BAND_4_C: 1298 case WM8995_AIF1_DAC1_EQ_BAND_4_PG: 1299 case WM8995_AIF1_DAC1_EQ_BAND_5_A: 1300 case WM8995_AIF1_DAC1_EQ_BAND_5_B: 1301 case WM8995_AIF1_DAC1_EQ_BAND_5_PG: 1302 case WM8995_AIF1_DAC2_EQ_GAINS_1: 1303 case WM8995_AIF1_DAC2_EQ_GAINS_2: 1304 case WM8995_AIF1_DAC2_EQ_BAND_1_A: 1305 case WM8995_AIF1_DAC2_EQ_BAND_1_B: 1306 case WM8995_AIF1_DAC2_EQ_BAND_1_PG: 1307 case WM8995_AIF1_DAC2_EQ_BAND_2_A: 1308 case WM8995_AIF1_DAC2_EQ_BAND_2_B: 1309 case WM8995_AIF1_DAC2_EQ_BAND_2_C: 1310 case WM8995_AIF1_DAC2_EQ_BAND_2_PG: 1311 case WM8995_AIF1_DAC2_EQ_BAND_3_A: 1312 case WM8995_AIF1_DAC2_EQ_BAND_3_B: 1313 case WM8995_AIF1_DAC2_EQ_BAND_3_C: 1314 case WM8995_AIF1_DAC2_EQ_BAND_3_PG: 1315 case WM8995_AIF1_DAC2_EQ_BAND_4_A: 1316 case WM8995_AIF1_DAC2_EQ_BAND_4_B: 1317 case WM8995_AIF1_DAC2_EQ_BAND_4_C: 1318 case WM8995_AIF1_DAC2_EQ_BAND_4_PG: 1319 case WM8995_AIF1_DAC2_EQ_BAND_5_A: 1320 case WM8995_AIF1_DAC2_EQ_BAND_5_B: 1321 case WM8995_AIF1_DAC2_EQ_BAND_5_PG: 1322 case WM8995_AIF2_ADC_LEFT_VOLUME: 1323 case WM8995_AIF2_ADC_RIGHT_VOLUME: 1324 case WM8995_AIF2_DAC_LEFT_VOLUME: 1325 case WM8995_AIF2_DAC_RIGHT_VOLUME: 1326 case WM8995_AIF2_ADC_FILTERS: 1327 case WM8995_AIF2_DAC_FILTERS_1: 1328 case WM8995_AIF2_DAC_FILTERS_2: 1329 case WM8995_AIF2_DRC_1: 1330 case WM8995_AIF2_DRC_2: 1331 case WM8995_AIF2_DRC_3: 1332 case WM8995_AIF2_DRC_4: 1333 case WM8995_AIF2_DRC_5: 1334 case WM8995_AIF2_EQ_GAINS_1: 1335 case WM8995_AIF2_EQ_GAINS_2: 1336 case WM8995_AIF2_EQ_BAND_1_A: 1337 case WM8995_AIF2_EQ_BAND_1_B: 1338 case WM8995_AIF2_EQ_BAND_1_PG: 1339 case WM8995_AIF2_EQ_BAND_2_A: 1340 case WM8995_AIF2_EQ_BAND_2_B: 1341 case WM8995_AIF2_EQ_BAND_2_C: 1342 case WM8995_AIF2_EQ_BAND_2_PG: 1343 case WM8995_AIF2_EQ_BAND_3_A: 1344 case WM8995_AIF2_EQ_BAND_3_B: 1345 case WM8995_AIF2_EQ_BAND_3_C: 1346 case WM8995_AIF2_EQ_BAND_3_PG: 1347 case WM8995_AIF2_EQ_BAND_4_A: 1348 case WM8995_AIF2_EQ_BAND_4_B: 1349 case WM8995_AIF2_EQ_BAND_4_C: 1350 case WM8995_AIF2_EQ_BAND_4_PG: 1351 case WM8995_AIF2_EQ_BAND_5_A: 1352 case WM8995_AIF2_EQ_BAND_5_B: 1353 case WM8995_AIF2_EQ_BAND_5_PG: 1354 case WM8995_DAC1_MIXER_VOLUMES: 1355 case WM8995_DAC1_LEFT_MIXER_ROUTING: 1356 case WM8995_DAC1_RIGHT_MIXER_ROUTING: 1357 case WM8995_DAC2_MIXER_VOLUMES: 1358 case WM8995_DAC2_LEFT_MIXER_ROUTING: 1359 case WM8995_DAC2_RIGHT_MIXER_ROUTING: 1360 case WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING: 1361 case WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING: 1362 case WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING: 1363 case WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING: 1364 case WM8995_DAC_SOFTMUTE: 1365 case WM8995_OVERSAMPLING: 1366 case WM8995_SIDETONE: 1367 case WM8995_GPIO_1: 1368 case WM8995_GPIO_2: 1369 case WM8995_GPIO_3: 1370 case WM8995_GPIO_4: 1371 case WM8995_GPIO_5: 1372 case WM8995_GPIO_6: 1373 case WM8995_GPIO_7: 1374 case WM8995_GPIO_8: 1375 case WM8995_GPIO_9: 1376 case WM8995_GPIO_10: 1377 case WM8995_GPIO_11: 1378 case WM8995_GPIO_12: 1379 case WM8995_GPIO_13: 1380 case WM8995_GPIO_14: 1381 case WM8995_PULL_CONTROL_1: 1382 case WM8995_PULL_CONTROL_2: 1383 case WM8995_INTERRUPT_STATUS_1: 1384 case WM8995_INTERRUPT_STATUS_2: 1385 case WM8995_INTERRUPT_RAW_STATUS_2: 1386 case WM8995_INTERRUPT_STATUS_1_MASK: 1387 case WM8995_INTERRUPT_STATUS_2_MASK: 1388 case WM8995_INTERRUPT_CONTROL: 1389 case WM8995_LEFT_PDM_SPEAKER_1: 1390 case WM8995_RIGHT_PDM_SPEAKER_1: 1391 case WM8995_PDM_SPEAKER_1_MUTE_SEQUENCE: 1392 case WM8995_LEFT_PDM_SPEAKER_2: 1393 case WM8995_RIGHT_PDM_SPEAKER_2: 1394 case WM8995_PDM_SPEAKER_2_MUTE_SEQUENCE: 1395 return true; 1396 default: 1397 return false; 1398 } 1399 } 1400 1401 static bool wm8995_volatile(struct device *dev, unsigned int reg) 1402 { 1403 switch (reg) { 1404 case WM8995_SOFTWARE_RESET: 1405 case WM8995_DC_SERVO_READBACK_0: 1406 case WM8995_INTERRUPT_STATUS_1: 1407 case WM8995_INTERRUPT_STATUS_2: 1408 case WM8995_INTERRUPT_CONTROL: 1409 case WM8995_ACCESSORY_DETECT_MODE1: 1410 case WM8995_ACCESSORY_DETECT_MODE2: 1411 case WM8995_HEADPHONE_DETECT1: 1412 case WM8995_HEADPHONE_DETECT2: 1413 case WM8995_RATE_STATUS: 1414 return true; 1415 default: 1416 return false; 1417 } 1418 } 1419 1420 static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute) 1421 { 1422 struct snd_soc_component *component = dai->component; 1423 int mute_reg; 1424 1425 switch (dai->id) { 1426 case 0: 1427 mute_reg = WM8995_AIF1_DAC1_FILTERS_1; 1428 break; 1429 case 1: 1430 mute_reg = WM8995_AIF2_DAC_FILTERS_1; 1431 break; 1432 default: 1433 return -EINVAL; 1434 } 1435 1436 snd_soc_component_update_bits(component, mute_reg, WM8995_AIF1DAC1_MUTE_MASK, 1437 !!mute << WM8995_AIF1DAC1_MUTE_SHIFT); 1438 return 0; 1439 } 1440 1441 static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) 1442 { 1443 struct snd_soc_component *component; 1444 int master; 1445 int aif; 1446 1447 component = dai->component; 1448 1449 master = 0; 1450 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1451 case SND_SOC_DAIFMT_CBS_CFS: 1452 break; 1453 case SND_SOC_DAIFMT_CBM_CFM: 1454 master = WM8995_AIF1_MSTR; 1455 break; 1456 default: 1457 dev_err(dai->dev, "Unknown master/slave configuration\n"); 1458 return -EINVAL; 1459 } 1460 1461 aif = 0; 1462 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1463 case SND_SOC_DAIFMT_DSP_B: 1464 aif |= WM8995_AIF1_LRCLK_INV; 1465 /* fall through */ 1466 case SND_SOC_DAIFMT_DSP_A: 1467 aif |= (0x3 << WM8995_AIF1_FMT_SHIFT); 1468 break; 1469 case SND_SOC_DAIFMT_I2S: 1470 aif |= (0x2 << WM8995_AIF1_FMT_SHIFT); 1471 break; 1472 case SND_SOC_DAIFMT_RIGHT_J: 1473 break; 1474 case SND_SOC_DAIFMT_LEFT_J: 1475 aif |= (0x1 << WM8995_AIF1_FMT_SHIFT); 1476 break; 1477 default: 1478 dev_err(dai->dev, "Unknown dai format\n"); 1479 return -EINVAL; 1480 } 1481 1482 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1483 case SND_SOC_DAIFMT_DSP_A: 1484 case SND_SOC_DAIFMT_DSP_B: 1485 /* frame inversion not valid for DSP modes */ 1486 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1487 case SND_SOC_DAIFMT_NB_NF: 1488 break; 1489 case SND_SOC_DAIFMT_IB_NF: 1490 aif |= WM8995_AIF1_BCLK_INV; 1491 break; 1492 default: 1493 return -EINVAL; 1494 } 1495 break; 1496 1497 case SND_SOC_DAIFMT_I2S: 1498 case SND_SOC_DAIFMT_RIGHT_J: 1499 case SND_SOC_DAIFMT_LEFT_J: 1500 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 1501 case SND_SOC_DAIFMT_NB_NF: 1502 break; 1503 case SND_SOC_DAIFMT_IB_IF: 1504 aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV; 1505 break; 1506 case SND_SOC_DAIFMT_IB_NF: 1507 aif |= WM8995_AIF1_BCLK_INV; 1508 break; 1509 case SND_SOC_DAIFMT_NB_IF: 1510 aif |= WM8995_AIF1_LRCLK_INV; 1511 break; 1512 default: 1513 return -EINVAL; 1514 } 1515 break; 1516 default: 1517 return -EINVAL; 1518 } 1519 1520 snd_soc_component_update_bits(component, WM8995_AIF1_CONTROL_1, 1521 WM8995_AIF1_BCLK_INV_MASK | 1522 WM8995_AIF1_LRCLK_INV_MASK | 1523 WM8995_AIF1_FMT_MASK, aif); 1524 snd_soc_component_update_bits(component, WM8995_AIF1_MASTER_SLAVE, 1525 WM8995_AIF1_MSTR_MASK, master); 1526 return 0; 1527 } 1528 1529 static const int srs[] = { 1530 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 1531 48000, 88200, 96000 1532 }; 1533 1534 static const int fs_ratios[] = { 1535 -1 /* reserved */, 1536 128, 192, 256, 384, 512, 768, 1024, 1408, 1536 1537 }; 1538 1539 static const int bclk_divs[] = { 1540 10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480 1541 }; 1542 1543 static int wm8995_hw_params(struct snd_pcm_substream *substream, 1544 struct snd_pcm_hw_params *params, 1545 struct snd_soc_dai *dai) 1546 { 1547 struct snd_soc_component *component; 1548 struct wm8995_priv *wm8995; 1549 int aif1_reg; 1550 int bclk_reg; 1551 int lrclk_reg; 1552 int rate_reg; 1553 int bclk_rate; 1554 int aif1; 1555 int lrclk, bclk; 1556 int i, rate_val, best, best_val, cur_val; 1557 1558 component = dai->component; 1559 wm8995 = snd_soc_component_get_drvdata(component); 1560 1561 switch (dai->id) { 1562 case 0: 1563 aif1_reg = WM8995_AIF1_CONTROL_1; 1564 bclk_reg = WM8995_AIF1_BCLK; 1565 rate_reg = WM8995_AIF1_RATE; 1566 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* || 1567 wm8995->lrclk_shared[0] */) { 1568 lrclk_reg = WM8995_AIF1DAC_LRCLK; 1569 } else { 1570 lrclk_reg = WM8995_AIF1ADC_LRCLK; 1571 dev_dbg(component->dev, "AIF1 using split LRCLK\n"); 1572 } 1573 break; 1574 case 1: 1575 aif1_reg = WM8995_AIF2_CONTROL_1; 1576 bclk_reg = WM8995_AIF2_BCLK; 1577 rate_reg = WM8995_AIF2_RATE; 1578 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* || 1579 wm8995->lrclk_shared[1] */) { 1580 lrclk_reg = WM8995_AIF2DAC_LRCLK; 1581 } else { 1582 lrclk_reg = WM8995_AIF2ADC_LRCLK; 1583 dev_dbg(component->dev, "AIF2 using split LRCLK\n"); 1584 } 1585 break; 1586 default: 1587 return -EINVAL; 1588 } 1589 1590 bclk_rate = snd_soc_params_to_bclk(params); 1591 if (bclk_rate < 0) 1592 return bclk_rate; 1593 1594 aif1 = 0; 1595 switch (params_width(params)) { 1596 case 16: 1597 break; 1598 case 20: 1599 aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT); 1600 break; 1601 case 24: 1602 aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT); 1603 break; 1604 case 32: 1605 aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT); 1606 break; 1607 default: 1608 dev_err(dai->dev, "Unsupported word length %u\n", 1609 params_width(params)); 1610 return -EINVAL; 1611 } 1612 1613 /* try to find a suitable sample rate */ 1614 for (i = 0; i < ARRAY_SIZE(srs); ++i) 1615 if (srs[i] == params_rate(params)) 1616 break; 1617 if (i == ARRAY_SIZE(srs)) { 1618 dev_err(dai->dev, "Sample rate %d is not supported\n", 1619 params_rate(params)); 1620 return -EINVAL; 1621 } 1622 rate_val = i << WM8995_AIF1_SR_SHIFT; 1623 1624 dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]); 1625 dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n", 1626 dai->id + 1, wm8995->aifclk[dai->id], bclk_rate); 1627 1628 /* AIFCLK/fs ratio; look for a close match in either direction */ 1629 best = 1; 1630 best_val = abs((fs_ratios[1] * params_rate(params)) 1631 - wm8995->aifclk[dai->id]); 1632 for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) { 1633 cur_val = abs((fs_ratios[i] * params_rate(params)) 1634 - wm8995->aifclk[dai->id]); 1635 if (cur_val >= best_val) 1636 continue; 1637 best = i; 1638 best_val = cur_val; 1639 } 1640 rate_val |= best; 1641 1642 dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n", 1643 dai->id + 1, fs_ratios[best]); 1644 1645 /* 1646 * We may not get quite the right frequency if using 1647 * approximate clocks so look for the closest match that is 1648 * higher than the target (we need to ensure that there enough 1649 * BCLKs to clock out the samples). 1650 */ 1651 best = 0; 1652 bclk = 0; 1653 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { 1654 cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate; 1655 if (cur_val < 0) /* BCLK table is sorted */ 1656 break; 1657 best = i; 1658 } 1659 bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT; 1660 1661 bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best]; 1662 dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n", 1663 bclk_divs[best], bclk_rate); 1664 1665 lrclk = bclk_rate / params_rate(params); 1666 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n", 1667 lrclk, bclk_rate / lrclk); 1668 1669 snd_soc_component_update_bits(component, aif1_reg, 1670 WM8995_AIF1_WL_MASK, aif1); 1671 snd_soc_component_update_bits(component, bclk_reg, 1672 WM8995_AIF1_BCLK_DIV_MASK, bclk); 1673 snd_soc_component_update_bits(component, lrclk_reg, 1674 WM8995_AIF1DAC_RATE_MASK, lrclk); 1675 snd_soc_component_update_bits(component, rate_reg, 1676 WM8995_AIF1_SR_MASK | 1677 WM8995_AIF1CLK_RATE_MASK, rate_val); 1678 return 0; 1679 } 1680 1681 static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate) 1682 { 1683 struct snd_soc_component *component = codec_dai->component; 1684 int reg, val, mask; 1685 1686 switch (codec_dai->id) { 1687 case 0: 1688 reg = WM8995_AIF1_MASTER_SLAVE; 1689 mask = WM8995_AIF1_TRI; 1690 break; 1691 case 1: 1692 reg = WM8995_AIF2_MASTER_SLAVE; 1693 mask = WM8995_AIF2_TRI; 1694 break; 1695 case 2: 1696 reg = WM8995_POWER_MANAGEMENT_5; 1697 mask = WM8995_AIF3_TRI; 1698 break; 1699 default: 1700 return -EINVAL; 1701 } 1702 1703 if (tristate) 1704 val = mask; 1705 else 1706 val = 0; 1707 1708 return snd_soc_component_update_bits(component, reg, mask, val); 1709 } 1710 1711 /* The size in bits of the FLL divide multiplied by 10 1712 * to allow rounding later */ 1713 #define FIXED_FLL_SIZE ((1 << 16) * 10) 1714 1715 struct fll_div { 1716 u16 outdiv; 1717 u16 n; 1718 u16 k; 1719 u16 clk_ref_div; 1720 u16 fll_fratio; 1721 }; 1722 1723 static int wm8995_get_fll_config(struct fll_div *fll, 1724 int freq_in, int freq_out) 1725 { 1726 u64 Kpart; 1727 unsigned int K, Ndiv, Nmod; 1728 1729 pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out); 1730 1731 /* Scale the input frequency down to <= 13.5MHz */ 1732 fll->clk_ref_div = 0; 1733 while (freq_in > 13500000) { 1734 fll->clk_ref_div++; 1735 freq_in /= 2; 1736 1737 if (fll->clk_ref_div > 3) 1738 return -EINVAL; 1739 } 1740 pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in); 1741 1742 /* Scale the output to give 90MHz<=Fvco<=100MHz */ 1743 fll->outdiv = 3; 1744 while (freq_out * (fll->outdiv + 1) < 90000000) { 1745 fll->outdiv++; 1746 if (fll->outdiv > 63) 1747 return -EINVAL; 1748 } 1749 freq_out *= fll->outdiv + 1; 1750 pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out); 1751 1752 if (freq_in > 1000000) { 1753 fll->fll_fratio = 0; 1754 } else if (freq_in > 256000) { 1755 fll->fll_fratio = 1; 1756 freq_in *= 2; 1757 } else if (freq_in > 128000) { 1758 fll->fll_fratio = 2; 1759 freq_in *= 4; 1760 } else if (freq_in > 64000) { 1761 fll->fll_fratio = 3; 1762 freq_in *= 8; 1763 } else { 1764 fll->fll_fratio = 4; 1765 freq_in *= 16; 1766 } 1767 pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in); 1768 1769 /* Now, calculate N.K */ 1770 Ndiv = freq_out / freq_in; 1771 1772 fll->n = Ndiv; 1773 Nmod = freq_out % freq_in; 1774 pr_debug("Nmod=%d\n", Nmod); 1775 1776 /* Calculate fractional part - scale up so we can round. */ 1777 Kpart = FIXED_FLL_SIZE * (long long)Nmod; 1778 1779 do_div(Kpart, freq_in); 1780 1781 K = Kpart & 0xFFFFFFFF; 1782 1783 if ((K % 10) >= 5) 1784 K += 5; 1785 1786 /* Move down to proper range now rounding is done */ 1787 fll->k = K / 10; 1788 1789 pr_debug("N=%x K=%x\n", fll->n, fll->k); 1790 1791 return 0; 1792 } 1793 1794 static int wm8995_set_fll(struct snd_soc_dai *dai, int id, 1795 int src, unsigned int freq_in, 1796 unsigned int freq_out) 1797 { 1798 struct snd_soc_component *component; 1799 struct wm8995_priv *wm8995; 1800 int reg_offset, ret; 1801 struct fll_div fll; 1802 u16 reg, aif1, aif2; 1803 1804 component = dai->component; 1805 wm8995 = snd_soc_component_get_drvdata(component); 1806 1807 aif1 = snd_soc_component_read32(component, WM8995_AIF1_CLOCKING_1) 1808 & WM8995_AIF1CLK_ENA; 1809 1810 aif2 = snd_soc_component_read32(component, WM8995_AIF2_CLOCKING_1) 1811 & WM8995_AIF2CLK_ENA; 1812 1813 switch (id) { 1814 case WM8995_FLL1: 1815 reg_offset = 0; 1816 id = 0; 1817 break; 1818 case WM8995_FLL2: 1819 reg_offset = 0x20; 1820 id = 1; 1821 break; 1822 default: 1823 return -EINVAL; 1824 } 1825 1826 switch (src) { 1827 case 0: 1828 /* Allow no source specification when stopping */ 1829 if (freq_out) 1830 return -EINVAL; 1831 break; 1832 case WM8995_FLL_SRC_MCLK1: 1833 case WM8995_FLL_SRC_MCLK2: 1834 case WM8995_FLL_SRC_LRCLK: 1835 case WM8995_FLL_SRC_BCLK: 1836 break; 1837 default: 1838 return -EINVAL; 1839 } 1840 1841 /* Are we changing anything? */ 1842 if (wm8995->fll[id].src == src && 1843 wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out) 1844 return 0; 1845 1846 /* If we're stopping the FLL redo the old config - no 1847 * registers will actually be written but we avoid GCC flow 1848 * analysis bugs spewing warnings. 1849 */ 1850 if (freq_out) 1851 ret = wm8995_get_fll_config(&fll, freq_in, freq_out); 1852 else 1853 ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in, 1854 wm8995->fll[id].out); 1855 if (ret < 0) 1856 return ret; 1857 1858 /* Gate the AIF clocks while we reclock */ 1859 snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1, 1860 WM8995_AIF1CLK_ENA_MASK, 0); 1861 snd_soc_component_update_bits(component, WM8995_AIF2_CLOCKING_1, 1862 WM8995_AIF2CLK_ENA_MASK, 0); 1863 1864 /* We always need to disable the FLL while reconfiguring */ 1865 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_1 + reg_offset, 1866 WM8995_FLL1_ENA_MASK, 0); 1867 1868 reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) | 1869 (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT); 1870 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_2 + reg_offset, 1871 WM8995_FLL1_OUTDIV_MASK | 1872 WM8995_FLL1_FRATIO_MASK, reg); 1873 1874 snd_soc_component_write(component, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k); 1875 1876 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_4 + reg_offset, 1877 WM8995_FLL1_N_MASK, 1878 fll.n << WM8995_FLL1_N_SHIFT); 1879 1880 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_5 + reg_offset, 1881 WM8995_FLL1_REFCLK_DIV_MASK | 1882 WM8995_FLL1_REFCLK_SRC_MASK, 1883 (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) | 1884 (src - 1)); 1885 1886 if (freq_out) 1887 snd_soc_component_update_bits(component, WM8995_FLL1_CONTROL_1 + reg_offset, 1888 WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA); 1889 1890 wm8995->fll[id].in = freq_in; 1891 wm8995->fll[id].out = freq_out; 1892 wm8995->fll[id].src = src; 1893 1894 /* Enable any gated AIF clocks */ 1895 snd_soc_component_update_bits(component, WM8995_AIF1_CLOCKING_1, 1896 WM8995_AIF1CLK_ENA_MASK, aif1); 1897 snd_soc_component_update_bits(component, WM8995_AIF2_CLOCKING_1, 1898 WM8995_AIF2CLK_ENA_MASK, aif2); 1899 1900 configure_clock(component); 1901 1902 return 0; 1903 } 1904 1905 static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai, 1906 int clk_id, unsigned int freq, int dir) 1907 { 1908 struct snd_soc_component *component; 1909 struct wm8995_priv *wm8995; 1910 1911 component = dai->component; 1912 wm8995 = snd_soc_component_get_drvdata(component); 1913 1914 switch (dai->id) { 1915 case 0: 1916 case 1: 1917 break; 1918 default: 1919 /* AIF3 shares clocking with AIF1/2 */ 1920 return -EINVAL; 1921 } 1922 1923 switch (clk_id) { 1924 case WM8995_SYSCLK_MCLK1: 1925 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1; 1926 wm8995->mclk[0] = freq; 1927 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n", 1928 dai->id + 1, freq); 1929 break; 1930 case WM8995_SYSCLK_MCLK2: 1931 wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK2; 1932 wm8995->mclk[1] = freq; 1933 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n", 1934 dai->id + 1, freq); 1935 break; 1936 case WM8995_SYSCLK_FLL1: 1937 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1; 1938 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1); 1939 break; 1940 case WM8995_SYSCLK_FLL2: 1941 wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2; 1942 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1); 1943 break; 1944 case WM8995_SYSCLK_OPCLK: 1945 default: 1946 dev_err(dai->dev, "Unknown clock source %d\n", clk_id); 1947 return -EINVAL; 1948 } 1949 1950 configure_clock(component); 1951 1952 return 0; 1953 } 1954 1955 static int wm8995_set_bias_level(struct snd_soc_component *component, 1956 enum snd_soc_bias_level level) 1957 { 1958 struct wm8995_priv *wm8995; 1959 int ret; 1960 1961 wm8995 = snd_soc_component_get_drvdata(component); 1962 switch (level) { 1963 case SND_SOC_BIAS_ON: 1964 case SND_SOC_BIAS_PREPARE: 1965 break; 1966 case SND_SOC_BIAS_STANDBY: 1967 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1968 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies), 1969 wm8995->supplies); 1970 if (ret) 1971 return ret; 1972 1973 ret = regcache_sync(wm8995->regmap); 1974 if (ret) { 1975 dev_err(component->dev, 1976 "Failed to sync cache: %d\n", ret); 1977 return ret; 1978 } 1979 1980 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1, 1981 WM8995_BG_ENA_MASK, WM8995_BG_ENA); 1982 } 1983 break; 1984 case SND_SOC_BIAS_OFF: 1985 snd_soc_component_update_bits(component, WM8995_POWER_MANAGEMENT_1, 1986 WM8995_BG_ENA_MASK, 0); 1987 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), 1988 wm8995->supplies); 1989 break; 1990 } 1991 1992 return 0; 1993 } 1994 1995 static int wm8995_probe(struct snd_soc_component *component) 1996 { 1997 struct wm8995_priv *wm8995; 1998 int i; 1999 int ret; 2000 2001 wm8995 = snd_soc_component_get_drvdata(component); 2002 wm8995->component = component; 2003 2004 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) 2005 wm8995->supplies[i].supply = wm8995_supply_names[i]; 2006 2007 ret = devm_regulator_bulk_get(component->dev, 2008 ARRAY_SIZE(wm8995->supplies), 2009 wm8995->supplies); 2010 if (ret) { 2011 dev_err(component->dev, "Failed to request supplies: %d\n", ret); 2012 return ret; 2013 } 2014 2015 wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0; 2016 wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1; 2017 wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2; 2018 wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3; 2019 wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4; 2020 wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5; 2021 wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6; 2022 wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7; 2023 2024 /* This should really be moved into the regulator core */ 2025 for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) { 2026 ret = devm_regulator_register_notifier( 2027 wm8995->supplies[i].consumer, 2028 &wm8995->disable_nb[i]); 2029 if (ret) { 2030 dev_err(component->dev, 2031 "Failed to register regulator notifier: %d\n", 2032 ret); 2033 } 2034 } 2035 2036 ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies), 2037 wm8995->supplies); 2038 if (ret) { 2039 dev_err(component->dev, "Failed to enable supplies: %d\n", ret); 2040 return ret; 2041 } 2042 2043 ret = snd_soc_component_read32(component, WM8995_SOFTWARE_RESET); 2044 if (ret < 0) { 2045 dev_err(component->dev, "Failed to read device ID: %d\n", ret); 2046 goto err_reg_enable; 2047 } 2048 2049 if (ret != 0x8995) { 2050 dev_err(component->dev, "Invalid device ID: %#x\n", ret); 2051 ret = -EINVAL; 2052 goto err_reg_enable; 2053 } 2054 2055 ret = snd_soc_component_write(component, WM8995_SOFTWARE_RESET, 0); 2056 if (ret < 0) { 2057 dev_err(component->dev, "Failed to issue reset: %d\n", ret); 2058 goto err_reg_enable; 2059 } 2060 2061 /* Latch volume updates (right only; we always do left then right). */ 2062 snd_soc_component_update_bits(component, WM8995_AIF1_DAC1_RIGHT_VOLUME, 2063 WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU); 2064 snd_soc_component_update_bits(component, WM8995_AIF1_DAC2_RIGHT_VOLUME, 2065 WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU); 2066 snd_soc_component_update_bits(component, WM8995_AIF2_DAC_RIGHT_VOLUME, 2067 WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU); 2068 snd_soc_component_update_bits(component, WM8995_AIF1_ADC1_RIGHT_VOLUME, 2069 WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU); 2070 snd_soc_component_update_bits(component, WM8995_AIF1_ADC2_RIGHT_VOLUME, 2071 WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU); 2072 snd_soc_component_update_bits(component, WM8995_AIF2_ADC_RIGHT_VOLUME, 2073 WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU); 2074 snd_soc_component_update_bits(component, WM8995_DAC1_RIGHT_VOLUME, 2075 WM8995_DAC1_VU_MASK, WM8995_DAC1_VU); 2076 snd_soc_component_update_bits(component, WM8995_DAC2_RIGHT_VOLUME, 2077 WM8995_DAC2_VU_MASK, WM8995_DAC2_VU); 2078 snd_soc_component_update_bits(component, WM8995_RIGHT_LINE_INPUT_1_VOLUME, 2079 WM8995_IN1_VU_MASK, WM8995_IN1_VU); 2080 2081 wm8995_update_class_w(component); 2082 2083 return 0; 2084 2085 err_reg_enable: 2086 regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies); 2087 return ret; 2088 } 2089 2090 #define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 2091 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) 2092 2093 static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = { 2094 .set_sysclk = wm8995_set_dai_sysclk, 2095 .set_fmt = wm8995_set_dai_fmt, 2096 .hw_params = wm8995_hw_params, 2097 .digital_mute = wm8995_aif_mute, 2098 .set_pll = wm8995_set_fll, 2099 .set_tristate = wm8995_set_tristate, 2100 }; 2101 2102 static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = { 2103 .set_sysclk = wm8995_set_dai_sysclk, 2104 .set_fmt = wm8995_set_dai_fmt, 2105 .hw_params = wm8995_hw_params, 2106 .digital_mute = wm8995_aif_mute, 2107 .set_pll = wm8995_set_fll, 2108 .set_tristate = wm8995_set_tristate, 2109 }; 2110 2111 static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = { 2112 .set_tristate = wm8995_set_tristate, 2113 }; 2114 2115 static struct snd_soc_dai_driver wm8995_dai[] = { 2116 { 2117 .name = "wm8995-aif1", 2118 .playback = { 2119 .stream_name = "AIF1 Playback", 2120 .channels_min = 2, 2121 .channels_max = 2, 2122 .rates = SNDRV_PCM_RATE_8000_96000, 2123 .formats = WM8995_FORMATS 2124 }, 2125 .capture = { 2126 .stream_name = "AIF1 Capture", 2127 .channels_min = 2, 2128 .channels_max = 2, 2129 .rates = SNDRV_PCM_RATE_8000_48000, 2130 .formats = WM8995_FORMATS 2131 }, 2132 .ops = &wm8995_aif1_dai_ops 2133 }, 2134 { 2135 .name = "wm8995-aif2", 2136 .playback = { 2137 .stream_name = "AIF2 Playback", 2138 .channels_min = 2, 2139 .channels_max = 2, 2140 .rates = SNDRV_PCM_RATE_8000_96000, 2141 .formats = WM8995_FORMATS 2142 }, 2143 .capture = { 2144 .stream_name = "AIF2 Capture", 2145 .channels_min = 2, 2146 .channels_max = 2, 2147 .rates = SNDRV_PCM_RATE_8000_48000, 2148 .formats = WM8995_FORMATS 2149 }, 2150 .ops = &wm8995_aif2_dai_ops 2151 }, 2152 { 2153 .name = "wm8995-aif3", 2154 .playback = { 2155 .stream_name = "AIF3 Playback", 2156 .channels_min = 2, 2157 .channels_max = 2, 2158 .rates = SNDRV_PCM_RATE_8000_96000, 2159 .formats = WM8995_FORMATS 2160 }, 2161 .capture = { 2162 .stream_name = "AIF3 Capture", 2163 .channels_min = 2, 2164 .channels_max = 2, 2165 .rates = SNDRV_PCM_RATE_8000_48000, 2166 .formats = WM8995_FORMATS 2167 }, 2168 .ops = &wm8995_aif3_dai_ops 2169 } 2170 }; 2171 2172 static const struct snd_soc_component_driver soc_component_dev_wm8995 = { 2173 .probe = wm8995_probe, 2174 .set_bias_level = wm8995_set_bias_level, 2175 .controls = wm8995_snd_controls, 2176 .num_controls = ARRAY_SIZE(wm8995_snd_controls), 2177 .dapm_widgets = wm8995_dapm_widgets, 2178 .num_dapm_widgets = ARRAY_SIZE(wm8995_dapm_widgets), 2179 .dapm_routes = wm8995_intercon, 2180 .num_dapm_routes = ARRAY_SIZE(wm8995_intercon), 2181 .use_pmdown_time = 1, 2182 .endianness = 1, 2183 .non_legacy_dai_naming = 1, 2184 }; 2185 2186 static const struct regmap_config wm8995_regmap = { 2187 .reg_bits = 16, 2188 .val_bits = 16, 2189 2190 .max_register = WM8995_MAX_REGISTER, 2191 .reg_defaults = wm8995_reg_defaults, 2192 .num_reg_defaults = ARRAY_SIZE(wm8995_reg_defaults), 2193 .volatile_reg = wm8995_volatile, 2194 .readable_reg = wm8995_readable, 2195 .cache_type = REGCACHE_RBTREE, 2196 }; 2197 2198 #if defined(CONFIG_SPI_MASTER) 2199 static int wm8995_spi_probe(struct spi_device *spi) 2200 { 2201 struct wm8995_priv *wm8995; 2202 int ret; 2203 2204 wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL); 2205 if (!wm8995) 2206 return -ENOMEM; 2207 2208 spi_set_drvdata(spi, wm8995); 2209 2210 wm8995->regmap = devm_regmap_init_spi(spi, &wm8995_regmap); 2211 if (IS_ERR(wm8995->regmap)) { 2212 ret = PTR_ERR(wm8995->regmap); 2213 dev_err(&spi->dev, "Failed to register regmap: %d\n", ret); 2214 return ret; 2215 } 2216 2217 ret = devm_snd_soc_register_component(&spi->dev, 2218 &soc_component_dev_wm8995, wm8995_dai, 2219 ARRAY_SIZE(wm8995_dai)); 2220 return ret; 2221 } 2222 2223 static struct spi_driver wm8995_spi_driver = { 2224 .driver = { 2225 .name = "wm8995", 2226 }, 2227 .probe = wm8995_spi_probe, 2228 }; 2229 #endif 2230 2231 #if IS_ENABLED(CONFIG_I2C) 2232 static int wm8995_i2c_probe(struct i2c_client *i2c, 2233 const struct i2c_device_id *id) 2234 { 2235 struct wm8995_priv *wm8995; 2236 int ret; 2237 2238 wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL); 2239 if (!wm8995) 2240 return -ENOMEM; 2241 2242 i2c_set_clientdata(i2c, wm8995); 2243 2244 wm8995->regmap = devm_regmap_init_i2c(i2c, &wm8995_regmap); 2245 if (IS_ERR(wm8995->regmap)) { 2246 ret = PTR_ERR(wm8995->regmap); 2247 dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret); 2248 return ret; 2249 } 2250 2251 ret = devm_snd_soc_register_component(&i2c->dev, 2252 &soc_component_dev_wm8995, wm8995_dai, 2253 ARRAY_SIZE(wm8995_dai)); 2254 if (ret < 0) 2255 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); 2256 2257 return ret; 2258 } 2259 2260 static const struct i2c_device_id wm8995_i2c_id[] = { 2261 {"wm8995", 0}, 2262 {} 2263 }; 2264 2265 MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id); 2266 2267 static struct i2c_driver wm8995_i2c_driver = { 2268 .driver = { 2269 .name = "wm8995", 2270 }, 2271 .probe = wm8995_i2c_probe, 2272 .id_table = wm8995_i2c_id 2273 }; 2274 #endif 2275 2276 static int __init wm8995_modinit(void) 2277 { 2278 int ret = 0; 2279 2280 #if IS_ENABLED(CONFIG_I2C) 2281 ret = i2c_add_driver(&wm8995_i2c_driver); 2282 if (ret) { 2283 printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n", 2284 ret); 2285 } 2286 #endif 2287 #if defined(CONFIG_SPI_MASTER) 2288 ret = spi_register_driver(&wm8995_spi_driver); 2289 if (ret) { 2290 printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n", 2291 ret); 2292 } 2293 #endif 2294 return ret; 2295 } 2296 2297 module_init(wm8995_modinit); 2298 2299 static void __exit wm8995_exit(void) 2300 { 2301 #if IS_ENABLED(CONFIG_I2C) 2302 i2c_del_driver(&wm8995_i2c_driver); 2303 #endif 2304 #if defined(CONFIG_SPI_MASTER) 2305 spi_unregister_driver(&wm8995_spi_driver); 2306 #endif 2307 } 2308 2309 module_exit(wm8995_exit); 2310 2311 MODULE_DESCRIPTION("ASoC WM8995 driver"); 2312 MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>"); 2313 MODULE_LICENSE("GPL"); 2314