1 /* 2 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de 3 * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de 4 * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch 5 * 6 * Initial development of this code was funded by 7 * Phytec Messtechnik GmbH, http://www.phytec.de 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 2 12 * of the License, or (at your option) any later version. 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 21 * MA 02110-1301, USA. 22 */ 23 #include <linux/module.h> 24 #include <linux/device.h> 25 #include <linux/of.h> 26 #include <linux/mfd/mc13xxx.h> 27 #include <linux/slab.h> 28 #include <sound/core.h> 29 #include <sound/control.h> 30 #include <sound/pcm.h> 31 #include <sound/soc.h> 32 #include <sound/initval.h> 33 #include <sound/soc-dapm.h> 34 #include <linux/regmap.h> 35 36 #include "mc13783.h" 37 38 #define AUDIO_RX0_ALSPEN (1 << 5) 39 #define AUDIO_RX0_ALSPSEL (1 << 7) 40 #define AUDIO_RX0_ADDCDC (1 << 21) 41 #define AUDIO_RX0_ADDSTDC (1 << 22) 42 #define AUDIO_RX0_ADDRXIN (1 << 23) 43 44 #define AUDIO_RX1_PGARXEN (1 << 0); 45 #define AUDIO_RX1_PGASTEN (1 << 5) 46 #define AUDIO_RX1_ARXINEN (1 << 10) 47 48 #define AUDIO_TX_AMC1REN (1 << 5) 49 #define AUDIO_TX_AMC1LEN (1 << 7) 50 #define AUDIO_TX_AMC2EN (1 << 9) 51 #define AUDIO_TX_ATXINEN (1 << 11) 52 #define AUDIO_TX_RXINREC (1 << 13) 53 54 #define SSI_NETWORK_CDCTXRXSLOT(x) (((x) & 0x3) << 2) 55 #define SSI_NETWORK_CDCTXSECSLOT(x) (((x) & 0x3) << 4) 56 #define SSI_NETWORK_CDCRXSECSLOT(x) (((x) & 0x3) << 6) 57 #define SSI_NETWORK_CDCRXSECGAIN(x) (((x) & 0x3) << 8) 58 #define SSI_NETWORK_CDCSUMGAIN(x) (1 << 10) 59 #define SSI_NETWORK_CDCFSDLY(x) (1 << 11) 60 #define SSI_NETWORK_DAC_SLOTS_8 (1 << 12) 61 #define SSI_NETWORK_DAC_SLOTS_4 (2 << 12) 62 #define SSI_NETWORK_DAC_SLOTS_2 (3 << 12) 63 #define SSI_NETWORK_DAC_SLOT_MASK (3 << 12) 64 #define SSI_NETWORK_DAC_RXSLOT_0_1 (0 << 14) 65 #define SSI_NETWORK_DAC_RXSLOT_2_3 (1 << 14) 66 #define SSI_NETWORK_DAC_RXSLOT_4_5 (2 << 14) 67 #define SSI_NETWORK_DAC_RXSLOT_6_7 (3 << 14) 68 #define SSI_NETWORK_DAC_RXSLOT_MASK (3 << 14) 69 #define SSI_NETWORK_STDCRXSECSLOT(x) (((x) & 0x3) << 16) 70 #define SSI_NETWORK_STDCRXSECGAIN(x) (((x) & 0x3) << 18) 71 #define SSI_NETWORK_STDCSUMGAIN (1 << 20) 72 73 /* 74 * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same 75 * register layout 76 */ 77 #define AUDIO_SSI_SEL (1 << 0) 78 #define AUDIO_CLK_SEL (1 << 1) 79 #define AUDIO_CSM (1 << 2) 80 #define AUDIO_BCL_INV (1 << 3) 81 #define AUDIO_CFS_INV (1 << 4) 82 #define AUDIO_CFS(x) (((x) & 0x3) << 5) 83 #define AUDIO_CLK(x) (((x) & 0x7) << 7) 84 #define AUDIO_C_EN (1 << 11) 85 #define AUDIO_C_CLK_EN (1 << 12) 86 #define AUDIO_C_RESET (1 << 15) 87 88 #define AUDIO_CODEC_CDCFS8K16K (1 << 10) 89 #define AUDIO_DAC_CFS_DLY_B (1 << 10) 90 91 struct mc13783_priv { 92 struct mc13xxx *mc13xxx; 93 struct regmap *regmap; 94 95 enum mc13783_ssi_port adc_ssi_port; 96 enum mc13783_ssi_port dac_ssi_port; 97 }; 98 99 /* Mapping between sample rates and register value */ 100 static unsigned int mc13783_rates[] = { 101 8000, 11025, 12000, 16000, 102 22050, 24000, 32000, 44100, 103 48000, 64000, 96000 104 }; 105 106 static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream, 107 struct snd_pcm_hw_params *params, 108 struct snd_soc_dai *dai) 109 { 110 struct snd_soc_codec *codec = dai->codec; 111 unsigned int rate = params_rate(params); 112 int i; 113 114 for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) { 115 if (rate == mc13783_rates[i]) { 116 snd_soc_update_bits(codec, MC13783_AUDIO_DAC, 117 0xf << 17, i << 17); 118 return 0; 119 } 120 } 121 122 return -EINVAL; 123 } 124 125 static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream, 126 struct snd_pcm_hw_params *params, 127 struct snd_soc_dai *dai) 128 { 129 struct snd_soc_codec *codec = dai->codec; 130 unsigned int rate = params_rate(params); 131 unsigned int val; 132 133 switch (rate) { 134 case 8000: 135 val = 0; 136 break; 137 case 16000: 138 val = AUDIO_CODEC_CDCFS8K16K; 139 break; 140 default: 141 return -EINVAL; 142 } 143 144 snd_soc_update_bits(codec, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K, 145 val); 146 147 return 0; 148 } 149 150 static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream, 151 struct snd_pcm_hw_params *params, 152 struct snd_soc_dai *dai) 153 { 154 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 155 return mc13783_pcm_hw_params_dac(substream, params, dai); 156 else 157 return mc13783_pcm_hw_params_codec(substream, params, dai); 158 } 159 160 static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt, 161 unsigned int reg) 162 { 163 struct snd_soc_codec *codec = dai->codec; 164 unsigned int val = 0; 165 unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV | 166 AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET; 167 168 169 /* DAI mode */ 170 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 171 case SND_SOC_DAIFMT_I2S: 172 val |= AUDIO_CFS(2); 173 break; 174 case SND_SOC_DAIFMT_DSP_A: 175 val |= AUDIO_CFS(1); 176 break; 177 default: 178 return -EINVAL; 179 } 180 181 /* DAI clock inversion */ 182 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 183 case SND_SOC_DAIFMT_NB_NF: 184 val |= AUDIO_BCL_INV; 185 break; 186 case SND_SOC_DAIFMT_NB_IF: 187 val |= AUDIO_BCL_INV | AUDIO_CFS_INV; 188 break; 189 case SND_SOC_DAIFMT_IB_NF: 190 break; 191 case SND_SOC_DAIFMT_IB_IF: 192 val |= AUDIO_CFS_INV; 193 break; 194 } 195 196 /* DAI clock master masks */ 197 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 198 case SND_SOC_DAIFMT_CBM_CFM: 199 val |= AUDIO_C_CLK_EN; 200 break; 201 case SND_SOC_DAIFMT_CBS_CFS: 202 val |= AUDIO_CSM; 203 break; 204 case SND_SOC_DAIFMT_CBM_CFS: 205 case SND_SOC_DAIFMT_CBS_CFM: 206 return -EINVAL; 207 } 208 209 val |= AUDIO_C_RESET; 210 211 snd_soc_update_bits(codec, reg, mask, val); 212 213 return 0; 214 } 215 216 static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt) 217 { 218 if (dai->id == MC13783_ID_STEREO_DAC) 219 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC); 220 else 221 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC); 222 } 223 224 static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt) 225 { 226 int ret; 227 228 ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC); 229 if (ret) 230 return ret; 231 232 /* 233 * In synchronous mode force the voice codec into slave mode 234 * so that the clock / framesync from the stereo DAC is used 235 */ 236 fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; 237 fmt |= SND_SOC_DAIFMT_CBS_CFS; 238 ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC); 239 240 return ret; 241 } 242 243 static int mc13783_sysclk[] = { 244 13000000, 245 15360000, 246 16800000, 247 -1, 248 26000000, 249 -1, /* 12000000, invalid for voice codec */ 250 -1, /* 3686400, invalid for voice codec */ 251 33600000, 252 }; 253 254 static int mc13783_set_sysclk(struct snd_soc_dai *dai, 255 int clk_id, unsigned int freq, int dir, 256 unsigned int reg) 257 { 258 struct snd_soc_codec *codec = dai->codec; 259 int clk; 260 unsigned int val = 0; 261 unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL; 262 263 for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) { 264 if (mc13783_sysclk[clk] < 0) 265 continue; 266 if (mc13783_sysclk[clk] == freq) 267 break; 268 } 269 270 if (clk == ARRAY_SIZE(mc13783_sysclk)) 271 return -EINVAL; 272 273 if (clk_id == MC13783_CLK_CLIB) 274 val |= AUDIO_CLK_SEL; 275 276 val |= AUDIO_CLK(clk); 277 278 snd_soc_update_bits(codec, reg, mask, val); 279 280 return 0; 281 } 282 283 static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai, 284 int clk_id, unsigned int freq, int dir) 285 { 286 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC); 287 } 288 289 static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai, 290 int clk_id, unsigned int freq, int dir) 291 { 292 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC); 293 } 294 295 static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai, 296 int clk_id, unsigned int freq, int dir) 297 { 298 int ret; 299 300 ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC); 301 if (ret) 302 return ret; 303 304 return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC); 305 } 306 307 static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai, 308 unsigned int tx_mask, unsigned int rx_mask, int slots, 309 int slot_width) 310 { 311 struct snd_soc_codec *codec = dai->codec; 312 unsigned int val = 0; 313 unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK | 314 SSI_NETWORK_DAC_RXSLOT_MASK; 315 316 switch (slots) { 317 case 2: 318 val |= SSI_NETWORK_DAC_SLOTS_2; 319 break; 320 case 4: 321 val |= SSI_NETWORK_DAC_SLOTS_4; 322 break; 323 case 8: 324 val |= SSI_NETWORK_DAC_SLOTS_8; 325 break; 326 default: 327 return -EINVAL; 328 } 329 330 switch (rx_mask) { 331 case 0x03: 332 val |= SSI_NETWORK_DAC_RXSLOT_0_1; 333 break; 334 case 0x0c: 335 val |= SSI_NETWORK_DAC_RXSLOT_2_3; 336 break; 337 case 0x30: 338 val |= SSI_NETWORK_DAC_RXSLOT_4_5; 339 break; 340 case 0xc0: 341 val |= SSI_NETWORK_DAC_RXSLOT_6_7; 342 break; 343 default: 344 return -EINVAL; 345 } 346 347 snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val); 348 349 return 0; 350 } 351 352 static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai, 353 unsigned int tx_mask, unsigned int rx_mask, int slots, 354 int slot_width) 355 { 356 struct snd_soc_codec *codec = dai->codec; 357 unsigned int val = 0; 358 unsigned int mask = 0x3f; 359 360 if (slots != 4) 361 return -EINVAL; 362 363 if (tx_mask != 0x3) 364 return -EINVAL; 365 366 val |= (0x00 << 2); /* primary timeslot RX/TX(?) is 0 */ 367 val |= (0x01 << 4); /* secondary timeslot TX is 1 */ 368 369 snd_soc_update_bits(codec, MC13783_SSI_NETWORK, mask, val); 370 371 return 0; 372 } 373 374 static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai, 375 unsigned int tx_mask, unsigned int rx_mask, int slots, 376 int slot_width) 377 { 378 int ret; 379 380 ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots, 381 slot_width); 382 if (ret) 383 return ret; 384 385 ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots, 386 slot_width); 387 388 return ret; 389 } 390 391 static const struct snd_kcontrol_new mc1l_amp_ctl = 392 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0); 393 394 static const struct snd_kcontrol_new mc1r_amp_ctl = 395 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0); 396 397 static const struct snd_kcontrol_new mc2_amp_ctl = 398 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0); 399 400 static const struct snd_kcontrol_new atx_amp_ctl = 401 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0); 402 403 404 /* Virtual mux. The chip does the input selection automatically 405 * as soon as we enable one input. */ 406 static const char * const adcl_enum_text[] = { 407 "MC1L", "RXINL", 408 }; 409 410 static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text); 411 412 static const struct snd_kcontrol_new left_input_mux = 413 SOC_DAPM_ENUM("Route", adcl_enum); 414 415 static const char * const adcr_enum_text[] = { 416 "MC1R", "MC2", "RXINR", "TXIN", 417 }; 418 419 static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text); 420 421 static const struct snd_kcontrol_new right_input_mux = 422 SOC_DAPM_ENUM("Route", adcr_enum); 423 424 static const struct snd_kcontrol_new samp_ctl = 425 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0); 426 427 static const char * const speaker_amp_source_text[] = { 428 "CODEC", "Right" 429 }; 430 static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4, 431 speaker_amp_source_text); 432 static const struct snd_kcontrol_new speaker_amp_source_mux = 433 SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source); 434 435 static const char * const headset_amp_source_text[] = { 436 "CODEC", "Mixer" 437 }; 438 439 static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11, 440 headset_amp_source_text); 441 static const struct snd_kcontrol_new headset_amp_source_mux = 442 SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source); 443 444 static const struct snd_kcontrol_new cdcout_ctl = 445 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0); 446 447 static const struct snd_kcontrol_new adc_bypass_ctl = 448 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0); 449 450 static const struct snd_kcontrol_new lamp_ctl = 451 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0); 452 453 static const struct snd_kcontrol_new hlamp_ctl = 454 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0); 455 456 static const struct snd_kcontrol_new hramp_ctl = 457 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0); 458 459 static const struct snd_kcontrol_new llamp_ctl = 460 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0); 461 462 static const struct snd_kcontrol_new lramp_ctl = 463 SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0); 464 465 static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = { 466 /* Input */ 467 SND_SOC_DAPM_INPUT("MC1LIN"), 468 SND_SOC_DAPM_INPUT("MC1RIN"), 469 SND_SOC_DAPM_INPUT("MC2IN"), 470 SND_SOC_DAPM_INPUT("RXINR"), 471 SND_SOC_DAPM_INPUT("RXINL"), 472 SND_SOC_DAPM_INPUT("TXIN"), 473 474 SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0), 475 SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0), 476 477 SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl), 478 SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl), 479 SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl), 480 SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl), 481 482 SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0, 483 &left_input_mux), 484 SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0, 485 &right_input_mux), 486 487 SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0, 488 &speaker_amp_source_mux), 489 490 SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0, 491 &headset_amp_source_mux), 492 493 SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0), 494 SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0), 495 496 SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0), 497 SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0), 498 499 SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0), 500 SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0, 501 &adc_bypass_ctl), 502 503 /* Output */ 504 SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0), 505 SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0), 506 SND_SOC_DAPM_OUTPUT("RXOUTL"), 507 SND_SOC_DAPM_OUTPUT("RXOUTR"), 508 SND_SOC_DAPM_OUTPUT("HSL"), 509 SND_SOC_DAPM_OUTPUT("HSR"), 510 SND_SOC_DAPM_OUTPUT("LSPL"), 511 SND_SOC_DAPM_OUTPUT("LSP"), 512 SND_SOC_DAPM_OUTPUT("SP"), 513 SND_SOC_DAPM_OUTPUT("CDCOUT"), 514 515 SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0, 516 &cdcout_ctl), 517 SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0, 518 &samp_ctl), 519 SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl), 520 SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0, 521 &hlamp_ctl), 522 SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0, 523 &hramp_ctl), 524 SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0, 525 &llamp_ctl), 526 SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0, 527 &lramp_ctl), 528 SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0), 529 SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0), 530 }; 531 532 static struct snd_soc_dapm_route mc13783_routes[] = { 533 /* Input */ 534 { "MC1L Amp", NULL, "MC1LIN"}, 535 { "MC1R Amp", NULL, "MC1RIN" }, 536 { "MC2 Amp", NULL, "MC2IN" }, 537 { "TXIN Amp", NULL, "TXIN"}, 538 539 { "PGA Left Input Mux", "MC1L", "MC1L Amp" }, 540 { "PGA Left Input Mux", "RXINL", "RXINL"}, 541 { "PGA Right Input Mux", "MC1R", "MC1R Amp" }, 542 { "PGA Right Input Mux", "MC2", "MC2 Amp"}, 543 { "PGA Right Input Mux", "TXIN", "TXIN Amp"}, 544 { "PGA Right Input Mux", "RXINR", "RXINR"}, 545 546 { "PGA Left Input", NULL, "PGA Left Input Mux"}, 547 { "PGA Right Input", NULL, "PGA Right Input Mux"}, 548 549 { "ADC", NULL, "PGA Left Input"}, 550 { "ADC", NULL, "PGA Right Input"}, 551 { "ADC", NULL, "ADC_Reset"}, 552 553 { "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" }, 554 555 { "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"}, 556 { "Speaker Amp Source MUX", "Right", "DAC PGA"}, 557 558 { "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"}, 559 { "Headset Amp Source MUX", "Mixer", "DAC PGA"}, 560 561 /* Output */ 562 { "HSL", NULL, "Headset Amp Left" }, 563 { "HSR", NULL, "Headset Amp Right"}, 564 { "RXOUTL", NULL, "Line out Amp Left"}, 565 { "RXOUTR", NULL, "Line out Amp Right"}, 566 { "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"}, 567 { "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"}, 568 { "HSL", "Headset Amp Left", "Headset Amp Source MUX"}, 569 { "HSR", "Headset Amp Right", "Headset Amp Source MUX"}, 570 { "Line out Amp Left", NULL, "DAC PGA"}, 571 { "Line out Amp Right", NULL, "DAC PGA"}, 572 { "DAC PGA", NULL, "DAC"}, 573 { "DAC", NULL, "DAC_E"}, 574 { "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"}, 575 }; 576 577 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix", 578 "Mono", "Mono Mix"}; 579 580 static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer, 581 MC13783_AUDIO_RX1, 16, 582 mc13783_3d_mixer); 583 584 static struct snd_kcontrol_new mc13783_control_list[] = { 585 SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0), 586 SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0), 587 SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0), 588 SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0), 589 SOC_ENUM("3D Control", mc13783_enum_3d_mixer), 590 591 SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0), 592 SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0), 593 SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0), 594 SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0), 595 596 SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0), 597 SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0), 598 599 SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0), 600 SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0), 601 602 SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0), 603 SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0), 604 605 SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0), 606 SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0), 607 }; 608 609 static int mc13783_probe(struct snd_soc_codec *codec) 610 { 611 struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec); 612 613 snd_soc_codec_init_regmap(codec, 614 dev_get_regmap(codec->dev->parent, NULL)); 615 616 /* these are the reset values */ 617 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893); 618 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A); 619 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000); 620 mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060); 621 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027); 622 mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004); 623 624 if (priv->adc_ssi_port == MC13783_SSI1_PORT) 625 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC, 626 AUDIO_SSI_SEL, 0); 627 else 628 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC, 629 AUDIO_SSI_SEL, AUDIO_SSI_SEL); 630 631 if (priv->dac_ssi_port == MC13783_SSI1_PORT) 632 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC, 633 AUDIO_SSI_SEL, 0); 634 else 635 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC, 636 AUDIO_SSI_SEL, AUDIO_SSI_SEL); 637 638 return 0; 639 } 640 641 static int mc13783_remove(struct snd_soc_codec *codec) 642 { 643 struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec); 644 645 /* Make sure VAUDIOON is off */ 646 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0); 647 648 return 0; 649 } 650 651 #define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000) 652 653 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 654 SNDRV_PCM_FMTBIT_S24_LE) 655 656 static const struct snd_soc_dai_ops mc13783_ops_dac = { 657 .hw_params = mc13783_pcm_hw_params_dac, 658 .set_fmt = mc13783_set_fmt_async, 659 .set_sysclk = mc13783_set_sysclk_dac, 660 .set_tdm_slot = mc13783_set_tdm_slot_dac, 661 }; 662 663 static const struct snd_soc_dai_ops mc13783_ops_codec = { 664 .hw_params = mc13783_pcm_hw_params_codec, 665 .set_fmt = mc13783_set_fmt_async, 666 .set_sysclk = mc13783_set_sysclk_codec, 667 .set_tdm_slot = mc13783_set_tdm_slot_codec, 668 }; 669 670 /* 671 * The mc13783 has two SSI ports, both of them can be routed either 672 * to the voice codec or the stereo DAC. When two different SSI ports 673 * are used for the voice codec and the stereo DAC we can do different 674 * formats and sysclock settings for playback and capture 675 * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port 676 * forces us to use symmetric rates (mc13783-hifi). 677 */ 678 static struct snd_soc_dai_driver mc13783_dai_async[] = { 679 { 680 .name = "mc13783-hifi-playback", 681 .id = MC13783_ID_STEREO_DAC, 682 .playback = { 683 .stream_name = "Playback", 684 .channels_min = 2, 685 .channels_max = 2, 686 .rates = SNDRV_PCM_RATE_8000_96000, 687 .formats = MC13783_FORMATS, 688 }, 689 .ops = &mc13783_ops_dac, 690 }, { 691 .name = "mc13783-hifi-capture", 692 .id = MC13783_ID_STEREO_CODEC, 693 .capture = { 694 .stream_name = "Capture", 695 .channels_min = 2, 696 .channels_max = 2, 697 .rates = MC13783_RATES_RECORD, 698 .formats = MC13783_FORMATS, 699 }, 700 .ops = &mc13783_ops_codec, 701 }, 702 }; 703 704 static const struct snd_soc_dai_ops mc13783_ops_sync = { 705 .hw_params = mc13783_pcm_hw_params_sync, 706 .set_fmt = mc13783_set_fmt_sync, 707 .set_sysclk = mc13783_set_sysclk_sync, 708 .set_tdm_slot = mc13783_set_tdm_slot_sync, 709 }; 710 711 static struct snd_soc_dai_driver mc13783_dai_sync[] = { 712 { 713 .name = "mc13783-hifi", 714 .id = MC13783_ID_SYNC, 715 .playback = { 716 .stream_name = "Playback", 717 .channels_min = 2, 718 .channels_max = 2, 719 .rates = SNDRV_PCM_RATE_8000_96000, 720 .formats = MC13783_FORMATS, 721 }, 722 .capture = { 723 .stream_name = "Capture", 724 .channels_min = 2, 725 .channels_max = 2, 726 .rates = MC13783_RATES_RECORD, 727 .formats = MC13783_FORMATS, 728 }, 729 .ops = &mc13783_ops_sync, 730 .symmetric_rates = 1, 731 } 732 }; 733 734 static const struct snd_soc_codec_driver soc_codec_dev_mc13783 = { 735 .probe = mc13783_probe, 736 .remove = mc13783_remove, 737 .component_driver = { 738 .controls = mc13783_control_list, 739 .num_controls = ARRAY_SIZE(mc13783_control_list), 740 .dapm_widgets = mc13783_dapm_widgets, 741 .num_dapm_widgets = ARRAY_SIZE(mc13783_dapm_widgets), 742 .dapm_routes = mc13783_routes, 743 .num_dapm_routes = ARRAY_SIZE(mc13783_routes), 744 }, 745 }; 746 747 static int __init mc13783_codec_probe(struct platform_device *pdev) 748 { 749 struct mc13783_priv *priv; 750 struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data; 751 struct device_node *np; 752 int ret; 753 754 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 755 if (!priv) 756 return -ENOMEM; 757 758 if (pdata) { 759 priv->adc_ssi_port = pdata->adc_ssi_port; 760 priv->dac_ssi_port = pdata->dac_ssi_port; 761 } else { 762 np = of_get_child_by_name(pdev->dev.parent->of_node, "codec"); 763 if (!np) 764 return -ENOSYS; 765 766 ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port); 767 if (ret) { 768 of_node_put(np); 769 return ret; 770 } 771 772 ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port); 773 if (ret) { 774 of_node_put(np); 775 return ret; 776 } 777 778 of_node_put(np); 779 } 780 781 dev_set_drvdata(&pdev->dev, priv); 782 priv->mc13xxx = dev_get_drvdata(pdev->dev.parent); 783 784 if (priv->adc_ssi_port == priv->dac_ssi_port) 785 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783, 786 mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync)); 787 else 788 ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_mc13783, 789 mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async)); 790 791 return ret; 792 } 793 794 static int mc13783_codec_remove(struct platform_device *pdev) 795 { 796 snd_soc_unregister_codec(&pdev->dev); 797 798 return 0; 799 } 800 801 static struct platform_driver mc13783_codec_driver = { 802 .driver = { 803 .name = "mc13783-codec", 804 }, 805 .remove = mc13783_codec_remove, 806 }; 807 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe); 808 809 MODULE_DESCRIPTION("ASoC MC13783 driver"); 810 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>"); 811 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>"); 812 MODULE_LICENSE("GPL"); 813