linux/sound/soc/codecs/mc13783.c
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   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, https://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
  78struct 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 */
  87static unsigned int mc13783_rates[] = {
  88        8000, 11025, 12000, 16000,
  89        22050, 24000, 32000, 44100,
  90        48000, 64000, 96000
  91};
  92
  93static 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
 112static 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
 137static 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
 147static 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
 203static 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
 211static 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
 230static 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
 241static 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
 270static 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
 276static 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
 282static 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
 294static 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
 339static 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
 361static 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
 378static const struct snd_kcontrol_new mc1l_amp_ctl =
 379        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 7, 1, 0);
 380
 381static const struct snd_kcontrol_new mc1r_amp_ctl =
 382        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 5, 1, 0);
 383
 384static const struct snd_kcontrol_new mc2_amp_ctl =
 385        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_TX, 9, 1, 0);
 386
 387static 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. */
 393static const char * const adcl_enum_text[] = {
 394        "MC1L", "RXINL",
 395};
 396
 397static SOC_ENUM_SINGLE_VIRT_DECL(adcl_enum, adcl_enum_text);
 398
 399static const struct snd_kcontrol_new left_input_mux =
 400        SOC_DAPM_ENUM("Route", adcl_enum);
 401
 402static const char * const adcr_enum_text[] = {
 403        "MC1R", "MC2", "RXINR", "TXIN",
 404};
 405
 406static SOC_ENUM_SINGLE_VIRT_DECL(adcr_enum, adcr_enum_text);
 407
 408static const struct snd_kcontrol_new right_input_mux =
 409        SOC_DAPM_ENUM("Route", adcr_enum);
 410
 411static const struct snd_kcontrol_new samp_ctl =
 412        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 3, 1, 0);
 413
 414static const char * const speaker_amp_source_text[] = {
 415        "CODEC", "Right"
 416};
 417static SOC_ENUM_SINGLE_DECL(speaker_amp_source, MC13783_AUDIO_RX0, 4,
 418                            speaker_amp_source_text);
 419static const struct snd_kcontrol_new speaker_amp_source_mux =
 420        SOC_DAPM_ENUM("Speaker Amp Source MUX", speaker_amp_source);
 421
 422static const char * const headset_amp_source_text[] = {
 423        "CODEC", "Mixer"
 424};
 425
 426static SOC_ENUM_SINGLE_DECL(headset_amp_source, MC13783_AUDIO_RX0, 11,
 427                            headset_amp_source_text);
 428static const struct snd_kcontrol_new headset_amp_source_mux =
 429        SOC_DAPM_ENUM("Headset Amp Source MUX", headset_amp_source);
 430
 431static const struct snd_kcontrol_new cdcout_ctl =
 432        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 18, 1, 0);
 433
 434static const struct snd_kcontrol_new adc_bypass_ctl =
 435        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_CODEC, 16, 1, 0);
 436
 437static const struct snd_kcontrol_new lamp_ctl =
 438        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 5, 1, 0);
 439
 440static const struct snd_kcontrol_new hlamp_ctl =
 441        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 10, 1, 0);
 442
 443static const struct snd_kcontrol_new hramp_ctl =
 444        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 9, 1, 0);
 445
 446static const struct snd_kcontrol_new llamp_ctl =
 447        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 16, 1, 0);
 448
 449static const struct snd_kcontrol_new lramp_ctl =
 450        SOC_DAPM_SINGLE("Switch", MC13783_AUDIO_RX0, 15, 1, 0);
 451
 452static 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
 519static 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
 564static const char * const mc13783_3d_mixer[] = {"Stereo", "Phase Mix",
 565                                                "Mono", "Mono Mix"};
 566
 567static SOC_ENUM_SINGLE_DECL(mc13783_enum_3d_mixer,
 568                            MC13783_AUDIO_RX1, 16,
 569                            mc13783_3d_mixer);
 570
 571static 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
 596static 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
 628static 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
 641static 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
 648static 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 */
 663static 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
 689static 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
 696static 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
 719static 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
 734static 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
 781static int mc13783_codec_remove(struct platform_device *pdev)
 782{
 783        return 0;
 784}
 785
 786static struct platform_driver mc13783_codec_driver = {
 787        .driver = {
 788                .name   = "mc13783-codec",
 789        },
 790        .remove = mc13783_codec_remove,
 791};
 792module_platform_driver_probe(mc13783_codec_driver, mc13783_codec_probe);
 793
 794MODULE_DESCRIPTION("ASoC MC13783 driver");
 795MODULE_AUTHOR("Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>");
 796MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
 797MODULE_LICENSE("GPL");
 798