root/sound/soc/codecs/mc13783.c

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DEFINITIONS

This source file includes following definitions.
  1. mc13783_pcm_hw_params_dac
  2. mc13783_pcm_hw_params_codec
  3. mc13783_pcm_hw_params_sync
  4. mc13783_set_fmt
  5. mc13783_set_fmt_async
  6. mc13783_set_fmt_sync
  7. mc13783_set_sysclk
  8. mc13783_set_sysclk_dac
  9. mc13783_set_sysclk_codec
  10. mc13783_set_sysclk_sync
  11. mc13783_set_tdm_slot_dac
  12. mc13783_set_tdm_slot_codec
  13. mc13783_set_tdm_slot_sync
  14. mc13783_probe
  15. mc13783_remove
  16. mc13783_codec_probe
  17. mc13783_codec_remove

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
   4  * Copyright 2009 Sascha Hauer, s.hauer@pengutronix.de
   5  * Copyright 2012 Philippe Retornaz, philippe.retornaz@epfl.ch
   6  *
   7  * Initial development of this code was funded by
   8  * Phytec Messtechnik GmbH, http://www.phytec.de
   9  */
  10 #include <linux/module.h>
  11 #include <linux/device.h>
  12 #include <linux/of.h>
  13 #include <linux/mfd/mc13xxx.h>
  14 #include <linux/slab.h>
  15 #include <sound/core.h>
  16 #include <sound/control.h>
  17 #include <sound/pcm.h>
  18 #include <sound/soc.h>
  19 #include <sound/initval.h>
  20 #include <sound/soc-dapm.h>
  21 #include <linux/regmap.h>
  22 
  23 #include "mc13783.h"
  24 
  25 #define AUDIO_RX0_ALSPEN                (1 << 5)
  26 #define AUDIO_RX0_ALSPSEL               (1 << 7)
  27 #define AUDIO_RX0_ADDCDC                (1 << 21)
  28 #define AUDIO_RX0_ADDSTDC               (1 << 22)
  29 #define AUDIO_RX0_ADDRXIN               (1 << 23)
  30 
  31 #define AUDIO_RX1_PGARXEN               (1 << 0);
  32 #define AUDIO_RX1_PGASTEN               (1 << 5)
  33 #define AUDIO_RX1_ARXINEN               (1 << 10)
  34 
  35 #define AUDIO_TX_AMC1REN                (1 << 5)
  36 #define AUDIO_TX_AMC1LEN                (1 << 7)
  37 #define AUDIO_TX_AMC2EN                 (1 << 9)
  38 #define AUDIO_TX_ATXINEN                (1 << 11)
  39 #define AUDIO_TX_RXINREC                (1 << 13)
  40 
  41 #define SSI_NETWORK_CDCTXRXSLOT(x)      (((x) & 0x3) << 2)
  42 #define SSI_NETWORK_CDCTXSECSLOT(x)     (((x) & 0x3) << 4)
  43 #define SSI_NETWORK_CDCRXSECSLOT(x)     (((x) & 0x3) << 6)
  44 #define SSI_NETWORK_CDCRXSECGAIN(x)     (((x) & 0x3) << 8)
  45 #define SSI_NETWORK_CDCSUMGAIN(x)       (1 << 10)
  46 #define SSI_NETWORK_CDCFSDLY(x)         (1 << 11)
  47 #define SSI_NETWORK_DAC_SLOTS_8         (1 << 12)
  48 #define SSI_NETWORK_DAC_SLOTS_4         (2 << 12)
  49 #define SSI_NETWORK_DAC_SLOTS_2         (3 << 12)
  50 #define SSI_NETWORK_DAC_SLOT_MASK       (3 << 12)
  51 #define SSI_NETWORK_DAC_RXSLOT_0_1      (0 << 14)
  52 #define SSI_NETWORK_DAC_RXSLOT_2_3      (1 << 14)
  53 #define SSI_NETWORK_DAC_RXSLOT_4_5      (2 << 14)
  54 #define SSI_NETWORK_DAC_RXSLOT_6_7      (3 << 14)
  55 #define SSI_NETWORK_DAC_RXSLOT_MASK     (3 << 14)
  56 #define SSI_NETWORK_STDCRXSECSLOT(x)    (((x) & 0x3) << 16)
  57 #define SSI_NETWORK_STDCRXSECGAIN(x)    (((x) & 0x3) << 18)
  58 #define SSI_NETWORK_STDCSUMGAIN         (1 << 20)
  59 
  60 /*
  61  * MC13783_AUDIO_CODEC and MC13783_AUDIO_DAC mostly share the same
  62  * register layout
  63  */
  64 #define AUDIO_SSI_SEL                   (1 << 0)
  65 #define AUDIO_CLK_SEL                   (1 << 1)
  66 #define AUDIO_CSM                       (1 << 2)
  67 #define AUDIO_BCL_INV                   (1 << 3)
  68 #define AUDIO_CFS_INV                   (1 << 4)
  69 #define AUDIO_CFS(x)                    (((x) & 0x3) << 5)
  70 #define AUDIO_CLK(x)                    (((x) & 0x7) << 7)
  71 #define AUDIO_C_EN                      (1 << 11)
  72 #define AUDIO_C_CLK_EN                  (1 << 12)
  73 #define AUDIO_C_RESET                   (1 << 15)
  74 
  75 #define AUDIO_CODEC_CDCFS8K16K          (1 << 10)
  76 #define AUDIO_DAC_CFS_DLY_B             (1 << 10)
  77 
  78 struct mc13783_priv {
  79         struct mc13xxx *mc13xxx;
  80         struct regmap *regmap;
  81 
  82         enum mc13783_ssi_port adc_ssi_port;
  83         enum mc13783_ssi_port dac_ssi_port;
  84 };
  85 
  86 /* Mapping between sample rates and register value */
  87 static unsigned int mc13783_rates[] = {
  88         8000, 11025, 12000, 16000,
  89         22050, 24000, 32000, 44100,
  90         48000, 64000, 96000
  91 };
  92 
  93 static int mc13783_pcm_hw_params_dac(struct snd_pcm_substream *substream,
  94                                 struct snd_pcm_hw_params *params,
  95                                 struct snd_soc_dai *dai)
  96 {
  97         struct snd_soc_component *component = dai->component;
  98         unsigned int rate = params_rate(params);
  99         int i;
 100 
 101         for (i = 0; i < ARRAY_SIZE(mc13783_rates); i++) {
 102                 if (rate == mc13783_rates[i]) {
 103                         snd_soc_component_update_bits(component, MC13783_AUDIO_DAC,
 104                                         0xf << 17, i << 17);
 105                         return 0;
 106                 }
 107         }
 108 
 109         return -EINVAL;
 110 }
 111 
 112 static int mc13783_pcm_hw_params_codec(struct snd_pcm_substream *substream,
 113                                 struct snd_pcm_hw_params *params,
 114                                 struct snd_soc_dai *dai)
 115 {
 116         struct snd_soc_component *component = dai->component;
 117         unsigned int rate = params_rate(params);
 118         unsigned int val;
 119 
 120         switch (rate) {
 121         case 8000:
 122                 val = 0;
 123                 break;
 124         case 16000:
 125                 val = AUDIO_CODEC_CDCFS8K16K;
 126                 break;
 127         default:
 128                 return -EINVAL;
 129         }
 130 
 131         snd_soc_component_update_bits(component, MC13783_AUDIO_CODEC, AUDIO_CODEC_CDCFS8K16K,
 132                         val);
 133 
 134         return 0;
 135 }
 136 
 137 static int mc13783_pcm_hw_params_sync(struct snd_pcm_substream *substream,
 138                                 struct snd_pcm_hw_params *params,
 139                                 struct snd_soc_dai *dai)
 140 {
 141         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 142                 return mc13783_pcm_hw_params_dac(substream, params, dai);
 143         else
 144                 return mc13783_pcm_hw_params_codec(substream, params, dai);
 145 }
 146 
 147 static int mc13783_set_fmt(struct snd_soc_dai *dai, unsigned int fmt,
 148                         unsigned int reg)
 149 {
 150         struct snd_soc_component *component = dai->component;
 151         unsigned int val = 0;
 152         unsigned int mask = AUDIO_CFS(3) | AUDIO_BCL_INV | AUDIO_CFS_INV |
 153                                 AUDIO_CSM | AUDIO_C_CLK_EN | AUDIO_C_RESET;
 154 
 155 
 156         /* DAI mode */
 157         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 158         case SND_SOC_DAIFMT_I2S:
 159                 val |= AUDIO_CFS(2);
 160                 break;
 161         case SND_SOC_DAIFMT_DSP_A:
 162                 val |= AUDIO_CFS(1);
 163                 break;
 164         default:
 165                 return -EINVAL;
 166         }
 167 
 168         /* DAI clock inversion */
 169         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 170         case SND_SOC_DAIFMT_NB_NF:
 171                 val |= AUDIO_BCL_INV;
 172                 break;
 173         case SND_SOC_DAIFMT_NB_IF:
 174                 val |= AUDIO_BCL_INV | AUDIO_CFS_INV;
 175                 break;
 176         case SND_SOC_DAIFMT_IB_NF:
 177                 break;
 178         case SND_SOC_DAIFMT_IB_IF:
 179                 val |= AUDIO_CFS_INV;
 180                 break;
 181         }
 182 
 183         /* DAI clock master masks */
 184         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 185         case SND_SOC_DAIFMT_CBM_CFM:
 186                 val |= AUDIO_C_CLK_EN;
 187                 break;
 188         case SND_SOC_DAIFMT_CBS_CFS:
 189                 val |= AUDIO_CSM;
 190                 break;
 191         case SND_SOC_DAIFMT_CBM_CFS:
 192         case SND_SOC_DAIFMT_CBS_CFM:
 193                 return -EINVAL;
 194         }
 195 
 196         val |= AUDIO_C_RESET;
 197 
 198         snd_soc_component_update_bits(component, reg, mask, val);
 199 
 200         return 0;
 201 }
 202 
 203 static int mc13783_set_fmt_async(struct snd_soc_dai *dai, unsigned int fmt)
 204 {
 205         if (dai->id == MC13783_ID_STEREO_DAC)
 206                 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
 207         else
 208                 return mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
 209 }
 210 
 211 static int mc13783_set_fmt_sync(struct snd_soc_dai *dai, unsigned int fmt)
 212 {
 213         int ret;
 214 
 215         ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_DAC);
 216         if (ret)
 217                 return ret;
 218 
 219         /*
 220          * In synchronous mode force the voice codec into slave mode
 221          * so that the clock / framesync from the stereo DAC is used
 222          */
 223         fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
 224         fmt |= SND_SOC_DAIFMT_CBS_CFS;
 225         ret = mc13783_set_fmt(dai, fmt, MC13783_AUDIO_CODEC);
 226 
 227         return ret;
 228 }
 229 
 230 static int mc13783_sysclk[] = {
 231         13000000,
 232         15360000,
 233         16800000,
 234         -1,
 235         26000000,
 236         -1, /* 12000000, invalid for voice codec */
 237         -1, /* 3686400, invalid for voice codec */
 238         33600000,
 239 };
 240 
 241 static int mc13783_set_sysclk(struct snd_soc_dai *dai,
 242                                   int clk_id, unsigned int freq, int dir,
 243                                   unsigned int reg)
 244 {
 245         struct snd_soc_component *component = dai->component;
 246         int clk;
 247         unsigned int val = 0;
 248         unsigned int mask = AUDIO_CLK(0x7) | AUDIO_CLK_SEL;
 249 
 250         for (clk = 0; clk < ARRAY_SIZE(mc13783_sysclk); clk++) {
 251                 if (mc13783_sysclk[clk] < 0)
 252                         continue;
 253                 if (mc13783_sysclk[clk] == freq)
 254                         break;
 255         }
 256 
 257         if (clk == ARRAY_SIZE(mc13783_sysclk))
 258                 return -EINVAL;
 259 
 260         if (clk_id == MC13783_CLK_CLIB)
 261                 val |= AUDIO_CLK_SEL;
 262 
 263         val |= AUDIO_CLK(clk);
 264 
 265         snd_soc_component_update_bits(component, reg, mask, val);
 266 
 267         return 0;
 268 }
 269 
 270 static int mc13783_set_sysclk_dac(struct snd_soc_dai *dai,
 271                                   int clk_id, unsigned int freq, int dir)
 272 {
 273         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
 274 }
 275 
 276 static int mc13783_set_sysclk_codec(struct snd_soc_dai *dai,
 277                                   int clk_id, unsigned int freq, int dir)
 278 {
 279         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
 280 }
 281 
 282 static int mc13783_set_sysclk_sync(struct snd_soc_dai *dai,
 283                                   int clk_id, unsigned int freq, int dir)
 284 {
 285         int ret;
 286 
 287         ret = mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_DAC);
 288         if (ret)
 289                 return ret;
 290 
 291         return mc13783_set_sysclk(dai, clk_id, freq, dir, MC13783_AUDIO_CODEC);
 292 }
 293 
 294 static int mc13783_set_tdm_slot_dac(struct snd_soc_dai *dai,
 295         unsigned int tx_mask, unsigned int rx_mask, int slots,
 296         int slot_width)
 297 {
 298         struct snd_soc_component *component = dai->component;
 299         unsigned int val = 0;
 300         unsigned int mask = SSI_NETWORK_DAC_SLOT_MASK |
 301                                 SSI_NETWORK_DAC_RXSLOT_MASK;
 302 
 303         switch (slots) {
 304         case 2:
 305                 val |= SSI_NETWORK_DAC_SLOTS_2;
 306                 break;
 307         case 4:
 308                 val |= SSI_NETWORK_DAC_SLOTS_4;
 309                 break;
 310         case 8:
 311                 val |= SSI_NETWORK_DAC_SLOTS_8;
 312                 break;
 313         default:
 314                 return -EINVAL;
 315         }
 316 
 317         switch (rx_mask) {
 318         case 0x03:
 319                 val |= SSI_NETWORK_DAC_RXSLOT_0_1;
 320                 break;
 321         case 0x0c:
 322                 val |= SSI_NETWORK_DAC_RXSLOT_2_3;
 323                 break;
 324         case 0x30:
 325                 val |= SSI_NETWORK_DAC_RXSLOT_4_5;
 326                 break;
 327         case 0xc0:
 328                 val |= SSI_NETWORK_DAC_RXSLOT_6_7;
 329                 break;
 330         default:
 331                 return -EINVAL;
 332         }
 333 
 334         snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
 335 
 336         return 0;
 337 }
 338 
 339 static int mc13783_set_tdm_slot_codec(struct snd_soc_dai *dai,
 340         unsigned int tx_mask, unsigned int rx_mask, int slots,
 341         int slot_width)
 342 {
 343         struct snd_soc_component *component = dai->component;
 344         unsigned int val = 0;
 345         unsigned int mask = 0x3f;
 346 
 347         if (slots != 4)
 348                 return -EINVAL;
 349 
 350         if (tx_mask != 0x3)
 351                 return -EINVAL;
 352 
 353         val |= (0x00 << 2);     /* primary timeslot RX/TX(?) is 0 */
 354         val |= (0x01 << 4);     /* secondary timeslot TX is 1 */
 355 
 356         snd_soc_component_update_bits(component, MC13783_SSI_NETWORK, mask, val);
 357 
 358         return 0;
 359 }
 360 
 361 static int mc13783_set_tdm_slot_sync(struct snd_soc_dai *dai,
 362         unsigned int tx_mask, unsigned int rx_mask, int slots,
 363         int slot_width)
 364 {
 365         int ret;
 366 
 367         ret = mc13783_set_tdm_slot_dac(dai, tx_mask, rx_mask, slots,
 368                         slot_width);
 369         if (ret)
 370                 return ret;
 371 
 372         ret = mc13783_set_tdm_slot_codec(dai, tx_mask, rx_mask, slots,
 373                         slot_width);
 374 
 375         return ret;
 376 }
 377 
 378 static const struct snd_kcontrol_new mc1l_amp_ctl =
 379         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
 380 
 381 static const struct snd_kcontrol_new mc1r_amp_ctl =
 382         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
 383 
 384 static const struct snd_kcontrol_new mc2_amp_ctl =
 385         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
 386 
 387 static const struct snd_kcontrol_new atx_amp_ctl =
 388         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 11, 1, 0);
 389 
 390 
 391 /* Virtual mux. The chip does the input selection automatically
 392  * as soon as we enable one input. */
 393 static const char * const adcl_enum_text[] = {
 394         "MC1L", "RXINL",
 395 };
 396 
 397 static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
 398 
 399 static const struct snd_kcontrol_new left_input_mux =
 400         SOC_DAPM_ENUM("Route", adcl_enum);
 401 
 402 static const char * const adcr_enum_text[] = {
 403         "MC1R", "MC2", "RXINR", "TXIN",
 404 };
 405 
 406 static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
 407 
 408 static const struct snd_kcontrol_new right_input_mux =
 409         SOC_DAPM_ENUM("Route", adcr_enum);
 410 
 411 static const struct snd_kcontrol_new samp_ctl =
 412         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
 413 
 414 static const char * const speaker_amp_source_text[] = {
 415         "CODEC", "Right"
 416 };
 417 static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
 418                             speaker_amp_source_text);
 419 static const struct snd_kcontrol_new speaker_amp_source_mux =
 420         SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
 421 
 422 static const char * const headset_amp_source_text[] = {
 423         "CODEC", "Mixer"
 424 };
 425 
 426 static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
 427                             headset_amp_source_text);
 428 static const struct snd_kcontrol_new headset_amp_source_mux =
 429         SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
 430 
 431 static const struct snd_kcontrol_new cdcout_ctl =
 432         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
 433 
 434 static const struct snd_kcontrol_new adc_bypass_ctl =
 435         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
 436 
 437 static const struct snd_kcontrol_new lamp_ctl =
 438         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
 439 
 440 static const struct snd_kcontrol_new hlamp_ctl =
 441         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
 442 
 443 static const struct snd_kcontrol_new hramp_ctl =
 444         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
 445 
 446 static const struct snd_kcontrol_new llamp_ctl =
 447         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
 448 
 449 static const struct snd_kcontrol_new lramp_ctl =
 450         SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
 451 
 452 static const struct snd_soc_dapm_widget mc13783_dapm_widgets[] = {
 453 /* Input */
 454         SND_SOC_DAPM_INPUT("MC1LIN"),
 455         SND_SOC_DAPM_INPUT("MC1RIN"),
 456         SND_SOC_DAPM_INPUT("MC2IN"),
 457         SND_SOC_DAPM_INPUT("RXINR"),
 458         SND_SOC_DAPM_INPUT("RXINL"),
 459         SND_SOC_DAPM_INPUT("TXIN"),
 460 
 461         SND_SOC_DAPM_SUPPLY("MC1 Bias", MC13783_AUDIO_TX, 0, 0, NULL, 0),
 462         SND_SOC_DAPM_SUPPLY("MC2 Bias", MC13783_AUDIO_TX, 1, 0, NULL, 0),
 463 
 464         SND_SOC_DAPM_SWITCH("MC1L Amp", MC13783_AUDIO_TX, 7, 0, &mc1l_amp_ctl),
 465         SND_SOC_DAPM_SWITCH("MC1R Amp", MC13783_AUDIO_TX, 5, 0, &mc1r_amp_ctl),
 466         SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),
 467         SND_SOC_DAPM_SWITCH("TXIN Amp", MC13783_AUDIO_TX, 11, 0, &atx_amp_ctl),
 468 
 469         SND_SOC_DAPM_MUX("PGA Left Input Mux", SND_SOC_NOPM, 0, 0,
 470                               &left_input_mux),
 471         SND_SOC_DAPM_MUX("PGA Right Input Mux", SND_SOC_NOPM, 0, 0,
 472                               &right_input_mux),
 473 
 474         SND_SOC_DAPM_MUX("Speaker Amp Source MUX", SND_SOC_NOPM, 0, 0,
 475                          &speaker_amp_source_mux),
 476 
 477         SND_SOC_DAPM_MUX("Headset Amp Source MUX", SND_SOC_NOPM, 0, 0,
 478                          &headset_amp_source_mux),
 479 
 480         SND_SOC_DAPM_PGA("PGA Left Input", SND_SOC_NOPM, 0, 0, NULL, 0),
 481         SND_SOC_DAPM_PGA("PGA Right Input", SND_SOC_NOPM, 0, 0, NULL, 0),
 482 
 483         SND_SOC_DAPM_ADC("ADC", "Capture", MC13783_AUDIO_CODEC, 11, 0),
 484         SND_SOC_DAPM_SUPPLY("ADC_Reset", MC13783_AUDIO_CODEC, 15, 0, NULL, 0),
 485 
 486         SND_SOC_DAPM_PGA("Voice CODEC PGA", MC13783_AUDIO_RX1, 0, 0, NULL, 0),
 487         SND_SOC_DAPM_SWITCH("Voice CODEC Bypass", MC13783_AUDIO_CODEC, 16, 0,
 488                         &adc_bypass_ctl),
 489 
 490 /* Output */
 491         SND_SOC_DAPM_SUPPLY("DAC_E", MC13783_AUDIO_DAC, 11, 0, NULL, 0),
 492         SND_SOC_DAPM_SUPPLY("DAC_Reset", MC13783_AUDIO_DAC, 15, 0, NULL, 0),
 493         SND_SOC_DAPM_OUTPUT("RXOUTL"),
 494         SND_SOC_DAPM_OUTPUT("RXOUTR"),
 495         SND_SOC_DAPM_OUTPUT("HSL"),
 496         SND_SOC_DAPM_OUTPUT("HSR"),
 497         SND_SOC_DAPM_OUTPUT("LSPL"),
 498         SND_SOC_DAPM_OUTPUT("LSP"),
 499         SND_SOC_DAPM_OUTPUT("SP"),
 500         SND_SOC_DAPM_OUTPUT("CDCOUT"),
 501 
 502         SND_SOC_DAPM_SWITCH("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 0,
 503                         &cdcout_ctl),
 504         SND_SOC_DAPM_SWITCH("Speaker Amp Switch", MC13783_AUDIO_RX0, 3, 0,
 505                         &samp_ctl),
 506         SND_SOC_DAPM_SWITCH("Loudspeaker Amp", SND_SOC_NOPM, 0, 0, &lamp_ctl),
 507         SND_SOC_DAPM_SWITCH("Headset Amp Left", MC13783_AUDIO_RX0, 10, 0,
 508                         &hlamp_ctl),
 509         SND_SOC_DAPM_SWITCH("Headset Amp Right", MC13783_AUDIO_RX0, 9, 0,
 510                         &hramp_ctl),
 511         SND_SOC_DAPM_SWITCH("Line out Amp Left", MC13783_AUDIO_RX0, 16, 0,
 512                         &llamp_ctl),
 513         SND_SOC_DAPM_SWITCH("Line out Amp Right", MC13783_AUDIO_RX0, 15, 0,
 514                         &lramp_ctl),
 515         SND_SOC_DAPM_DAC("DAC", "Playback", MC13783_AUDIO_RX0, 22, 0),
 516         SND_SOC_DAPM_PGA("DAC PGA", MC13783_AUDIO_RX1, 5, 0, NULL, 0),
 517 };
 518 
 519 static struct snd_soc_dapm_route mc13783_routes[] = {
 520 /* Input */
 521         { "MC1L Amp", NULL, "MC1LIN"},
 522         { "MC1R Amp", NULL, "MC1RIN" },
 523         { "MC2 Amp", NULL, "MC2IN" },
 524         { "TXIN Amp", NULL, "TXIN"},
 525 
 526         { "PGA Left Input Mux", "MC1L", "MC1L Amp" },
 527         { "PGA Left Input Mux", "RXINL", "RXINL"},
 528         { "PGA Right Input Mux", "MC1R", "MC1R Amp" },
 529         { "PGA Right Input Mux", "MC2",  "MC2 Amp"},
 530         { "PGA Right Input Mux", "TXIN", "TXIN Amp"},
 531         { "PGA Right Input Mux", "RXINR", "RXINR"},
 532 
 533         { "PGA Left Input", NULL, "PGA Left Input Mux"},
 534         { "PGA Right Input", NULL, "PGA Right Input Mux"},
 535 
 536         { "ADC", NULL, "PGA Left Input"},
 537         { "ADC", NULL, "PGA Right Input"},
 538         { "ADC", NULL, "ADC_Reset"},
 539 
 540         { "Voice CODEC PGA", "Voice CODEC Bypass", "ADC" },
 541 
 542         { "Speaker Amp Source MUX", "CODEC", "Voice CODEC PGA"},
 543         { "Speaker Amp Source MUX", "Right", "DAC PGA"},
 544 
 545         { "Headset Amp Source MUX", "CODEC", "Voice CODEC PGA"},
 546         { "Headset Amp Source MUX", "Mixer", "DAC PGA"},
 547 
 548 /* Output */
 549         { "HSL", NULL, "Headset Amp Left" },
 550         { "HSR", NULL, "Headset Amp Right"},
 551         { "RXOUTL", NULL, "Line out Amp Left"},
 552         { "RXOUTR", NULL, "Line out Amp Right"},
 553         { "SP", "Speaker Amp Switch", "Speaker Amp Source MUX"},
 554         { "LSP", "Loudspeaker Amp", "Speaker Amp Source MUX"},
 555         { "HSL", "Headset Amp Left", "Headset Amp Source MUX"},
 556         { "HSR", "Headset Amp Right", "Headset Amp Source MUX"},
 557         { "Line out Amp Left", NULL, "DAC PGA"},
 558         { "Line out Amp Right", NULL, "DAC PGA"},
 559         { "DAC PGA", NULL, "DAC"},
 560         { "DAC", NULL, "DAC_E"},
 561         { "CDCOUT", "CDCOUT Switch", "Voice CODEC PGA"},
 562 };
 563 
 564 static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
 565                                                 "Mono", "Mono Mix"};
 566 
 567 static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
 568                             MC13783_AUDIO_RX1, 16,
 569                             mc13783_3d_mixer);
 570 
 571 static struct snd_kcontrol_new mc13783_control_list[] = {
 572         SOC_SINGLE("Loudspeaker enable", MC13783_AUDIO_RX0, 5, 1, 0),
 573         SOC_SINGLE("PCM Playback Volume", MC13783_AUDIO_RX1, 6, 15, 0),
 574         SOC_SINGLE("PCM Playback Switch", MC13783_AUDIO_RX1, 5, 1, 0),
 575         SOC_DOUBLE("PCM Capture Volume", MC13783_AUDIO_TX, 19, 14, 31, 0),
 576         SOC_ENUM("3D Control", mc13783_enum_3d_mixer),
 577 
 578         SOC_SINGLE("CDCOUT Switch", MC13783_AUDIO_RX0, 18, 1, 0),
 579         SOC_SINGLE("Earpiece Amp Switch", MC13783_AUDIO_RX0, 3, 1, 0),
 580         SOC_DOUBLE("Headset Amp Switch", MC13783_AUDIO_RX0, 10, 9, 1, 0),
 581         SOC_DOUBLE("Line out Amp Switch", MC13783_AUDIO_RX0, 16, 15, 1, 0),
 582 
 583         SOC_SINGLE("PCM Capture Mixin Switch", MC13783_AUDIO_RX0, 22, 1, 0),
 584         SOC_SINGLE("Line in Capture Mixin Switch", MC13783_AUDIO_RX0, 23, 1, 0),
 585 
 586         SOC_SINGLE("CODEC Capture Volume", MC13783_AUDIO_RX1, 1, 15, 0),
 587         SOC_SINGLE("CODEC Capture Mixin Switch", MC13783_AUDIO_RX0, 21, 1, 0),
 588 
 589         SOC_SINGLE("Line in Capture Volume", MC13783_AUDIO_RX1, 12, 15, 0),
 590         SOC_SINGLE("Line in Capture Switch", MC13783_AUDIO_RX1, 10, 1, 0),
 591 
 592         SOC_SINGLE("MC1 Capture Bias Switch", MC13783_AUDIO_TX, 0, 1, 0),
 593         SOC_SINGLE("MC2 Capture Bias Switch", MC13783_AUDIO_TX, 1, 1, 0),
 594 };
 595 
 596 static int mc13783_probe(struct snd_soc_component *component)
 597 {
 598         struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
 599 
 600         snd_soc_component_init_regmap(component,
 601                                   dev_get_regmap(component->dev->parent, NULL));
 602 
 603         /* these are the reset values */
 604         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
 605         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX1, 0x00d35A);
 606         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_TX, 0x420000);
 607         mc13xxx_reg_write(priv->mc13xxx, MC13783_SSI_NETWORK, 0x013060);
 608         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_CODEC, 0x180027);
 609         mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_DAC, 0x0e0004);
 610 
 611         if (priv->adc_ssi_port == MC13783_SSI1_PORT)
 612                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
 613                                 AUDIO_SSI_SEL, 0);
 614         else
 615                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_CODEC,
 616                                 AUDIO_SSI_SEL, AUDIO_SSI_SEL);
 617 
 618         if (priv->dac_ssi_port == MC13783_SSI1_PORT)
 619                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
 620                                 AUDIO_SSI_SEL, 0);
 621         else
 622                 mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
 623                                 AUDIO_SSI_SEL, AUDIO_SSI_SEL);
 624 
 625         return 0;
 626 }
 627 
 628 static void mc13783_remove(struct snd_soc_component *component)
 629 {
 630         struct mc13783_priv *priv = snd_soc_component_get_drvdata(component);
 631 
 632         /* Make sure VAUDIOON is off */
 633         mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);
 634 }
 635 
 636 #define MC13783_RATES_RECORD (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
 637 
 638 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 639         SNDRV_PCM_FMTBIT_S24_LE)
 640 
 641 static const struct snd_soc_dai_ops mc13783_ops_dac = {
 642         .hw_params      = mc13783_pcm_hw_params_dac,
 643         .set_fmt        = mc13783_set_fmt_async,
 644         .set_sysclk     = mc13783_set_sysclk_dac,
 645         .set_tdm_slot   = mc13783_set_tdm_slot_dac,
 646 };
 647 
 648 static const struct snd_soc_dai_ops mc13783_ops_codec = {
 649         .hw_params      = mc13783_pcm_hw_params_codec,
 650         .set_fmt        = mc13783_set_fmt_async,
 651         .set_sysclk     = mc13783_set_sysclk_codec,
 652         .set_tdm_slot   = mc13783_set_tdm_slot_codec,
 653 };
 654 
 655 /*
 656  * The mc13783 has two SSI ports, both of them can be routed either
 657  * to the voice codec or the stereo DAC. When two different SSI ports
 658  * are used for the voice codec and the stereo DAC we can do different
 659  * formats and sysclock settings for playback and capture
 660  * (mc13783-hifi-playback and mc13783-hifi-capture). Using the same port
 661  * forces us to use symmetric rates (mc13783-hifi).
 662  */
 663 static struct snd_soc_dai_driver mc13783_dai_async[] = {
 664         {
 665                 .name = "mc13783-hifi-playback",
 666                 .id = MC13783_ID_STEREO_DAC,
 667                 .playback = {
 668                         .stream_name = "Playback",
 669                         .channels_min = 2,
 670                         .channels_max = 2,
 671                         .rates = SNDRV_PCM_RATE_8000_96000,
 672                         .formats = MC13783_FORMATS,
 673                 },
 674                 .ops = &mc13783_ops_dac,
 675         }, {
 676                 .name = "mc13783-hifi-capture",
 677                 .id = MC13783_ID_STEREO_CODEC,
 678                 .capture = {
 679                         .stream_name = "Capture",
 680                         .channels_min = 2,
 681                         .channels_max = 2,
 682                         .rates = MC13783_RATES_RECORD,
 683                         .formats = MC13783_FORMATS,
 684                 },
 685                 .ops = &mc13783_ops_codec,
 686         },
 687 };
 688 
 689 static const struct snd_soc_dai_ops mc13783_ops_sync = {
 690         .hw_params      = mc13783_pcm_hw_params_sync,
 691         .set_fmt        = mc13783_set_fmt_sync,
 692         .set_sysclk     = mc13783_set_sysclk_sync,
 693         .set_tdm_slot   = mc13783_set_tdm_slot_sync,
 694 };
 695 
 696 static struct snd_soc_dai_driver mc13783_dai_sync[] = {
 697         {
 698                 .name = "mc13783-hifi",
 699                 .id = MC13783_ID_SYNC,
 700                 .playback = {
 701                         .stream_name = "Playback",
 702                         .channels_min = 2,
 703                         .channels_max = 2,
 704                         .rates = SNDRV_PCM_RATE_8000_96000,
 705                         .formats = MC13783_FORMATS,
 706                 },
 707                 .capture = {
 708                         .stream_name = "Capture",
 709                         .channels_min = 2,
 710                         .channels_max = 2,
 711                         .rates = MC13783_RATES_RECORD,
 712                         .formats = MC13783_FORMATS,
 713                 },
 714                 .ops = &mc13783_ops_sync,
 715                 .symmetric_rates = 1,
 716         }
 717 };
 718 
 719 static const struct snd_soc_component_driver soc_component_dev_mc13783 = {
 720         .probe                  = mc13783_probe,
 721         .remove                 = mc13783_remove,
 722         .controls               = mc13783_control_list,
 723         .num_controls           = ARRAY_SIZE(mc13783_control_list),
 724         .dapm_widgets           = mc13783_dapm_widgets,
 725         .num_dapm_widgets       = ARRAY_SIZE(mc13783_dapm_widgets),
 726         .dapm_routes            = mc13783_routes,
 727         .num_dapm_routes        = ARRAY_SIZE(mc13783_routes),
 728         .idle_bias_on           = 1,
 729         .use_pmdown_time        = 1,
 730         .endianness             = 1,
 731         .non_legacy_dai_naming  = 1,
 732 };
 733 
 734 static int __init mc13783_codec_probe(struct platform_device *pdev)
 735 {
 736         struct mc13783_priv *priv;
 737         struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data;
 738         struct device_node *np;
 739         int ret;
 740 
 741         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
 742         if (!priv)
 743                 return -ENOMEM;
 744 
 745         if (pdata) {
 746                 priv->adc_ssi_port = pdata->adc_ssi_port;
 747                 priv->dac_ssi_port = pdata->dac_ssi_port;
 748         } else {
 749                 np = of_get_child_by_name(pdev->dev.parent->of_node, "codec");
 750                 if (!np)
 751                         return -ENOSYS;
 752 
 753                 ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port);
 754                 if (ret) {
 755                         of_node_put(np);
 756                         return ret;
 757                 }
 758 
 759                 ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port);
 760                 if (ret) {
 761                         of_node_put(np);
 762                         return ret;
 763                 }
 764 
 765                 of_node_put(np);
 766         }
 767 
 768         dev_set_drvdata(&pdev->dev, priv);
 769         priv->mc13xxx = dev_get_drvdata(pdev->dev.parent);
 770 
 771         if (priv->adc_ssi_port == priv->dac_ssi_port)
 772                 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
 773                         mc13783_dai_sync, ARRAY_SIZE(mc13783_dai_sync));
 774         else
 775                 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_mc13783,
 776                         mc13783_dai_async, ARRAY_SIZE(mc13783_dai_async));
 777 
 778         return ret;
 779 }
 780 
 781 static int mc13783_codec_remove(struct platform_device *pdev)
 782 {
 783         return 0;
 784 }
 785 
 786 static struct platform_driver mc13783_codec_driver = {
 787         .driver = {
 788                 .name   = "mc13783-codec",
 789         },
 790         .remove = mc13783_codec_remove,
 791 };
 792 module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
 793 
 794 MODULE_DESCRIPTION("ASoC MC13783 driver");
 795 MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
 796 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
 797 MODULE_LICENSE("GPL");

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