linux/sound/soc/sunxi/sun8i-codec.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * This driver supports the digital controls for the internal codec
   4 * found in Allwinner's A33 SoCs.
   5 *
   6 * (C) Copyright 2010-2016
   7 * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
   8 * huangxin <huangxin@Reuuimllatech.com>
   9 * Myl\xC3\xA8ne Josserand <mylene.josserand@free-electrons.com>
  10 */
  11
  12#include <linux/module.h>
  13#include <linux/delay.h>
  14#include <linux/clk.h>
  15#include <linux/io.h>
  16#include <linux/of_device.h>
  17#include <linux/pm_runtime.h>
  18#include <linux/regmap.h>
  19#include <linux/log2.h>
  20
  21#include <sound/pcm_params.h>
  22#include <sound/soc.h>
  23#include <sound/soc-dapm.h>
  24
  25#define SUN8I_SYSCLK_CTL                                0x00c
  26#define SUN8I_SYSCLK_CTL_AIF1CLK_ENA                    11
  27#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL                (0x2 << 8)
  28#define SUN8I_SYSCLK_CTL_AIF2CLK_ENA                    7
  29#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL                (0x2 << 4)
  30#define SUN8I_SYSCLK_CTL_SYSCLK_ENA                     3
  31#define SUN8I_SYSCLK_CTL_SYSCLK_SRC                     0
  32#define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK             (0x0 << 0)
  33#define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK             (0x1 << 0)
  34#define SUN8I_MOD_CLK_ENA                               0x010
  35#define SUN8I_MOD_CLK_ENA_AIF1                          15
  36#define SUN8I_MOD_CLK_ENA_AIF2                          14
  37#define SUN8I_MOD_CLK_ENA_AIF3                          13
  38#define SUN8I_MOD_CLK_ENA_ADC                           3
  39#define SUN8I_MOD_CLK_ENA_DAC                           2
  40#define SUN8I_MOD_RST_CTL                               0x014
  41#define SUN8I_MOD_RST_CTL_AIF1                          15
  42#define SUN8I_MOD_RST_CTL_AIF2                          14
  43#define SUN8I_MOD_RST_CTL_AIF3                          13
  44#define SUN8I_MOD_RST_CTL_ADC                           3
  45#define SUN8I_MOD_RST_CTL_DAC                           2
  46#define SUN8I_SYS_SR_CTRL                               0x018
  47#define SUN8I_SYS_SR_CTRL_AIF1_FS                       12
  48#define SUN8I_SYS_SR_CTRL_AIF2_FS                       8
  49#define SUN8I_AIF_CLK_CTRL(n)                           (0x040 * (1 + (n)))
  50#define SUN8I_AIF_CLK_CTRL_MSTR_MOD                     15
  51#define SUN8I_AIF_CLK_CTRL_CLK_INV                      13
  52#define SUN8I_AIF_CLK_CTRL_BCLK_DIV                     9
  53#define SUN8I_AIF_CLK_CTRL_LRCK_DIV                     6
  54#define SUN8I_AIF_CLK_CTRL_WORD_SIZ                     4
  55#define SUN8I_AIF_CLK_CTRL_DATA_FMT                     2
  56#define SUN8I_AIF1_ADCDAT_CTRL                          0x044
  57#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA            15
  58#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA            14
  59#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC            10
  60#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC            8
  61#define SUN8I_AIF1_DACDAT_CTRL                          0x048
  62#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA            15
  63#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA            14
  64#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC            10
  65#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC            8
  66#define SUN8I_AIF1_MXR_SRC                              0x04c
  67#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L        15
  68#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL        14
  69#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL            13
  70#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR        12
  71#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R        11
  72#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR        10
  73#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR            9
  74#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL        8
  75#define SUN8I_AIF2_ADCDAT_CTRL                          0x084
  76#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA            15
  77#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA            14
  78#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC            10
  79#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC            8
  80#define SUN8I_AIF2_DACDAT_CTRL                          0x088
  81#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA            15
  82#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA            14
  83#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC            10
  84#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC            8
  85#define SUN8I_AIF2_MXR_SRC                              0x08c
  86#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L        15
  87#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L        14
  88#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR        13
  89#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL            12
  90#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R        11
  91#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R        10
  92#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL        9
  93#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR            8
  94#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1           (0x0 << 0)
  95#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2           (0x1 << 0)
  96#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1CLK        (0x2 << 0)
  97#define SUN8I_AIF3_PATH_CTRL                            0x0cc
  98#define SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC               10
  99#define SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC               8
 100#define SUN8I_AIF3_PATH_CTRL_AIF3_PINS_TRI              7
 101#define SUN8I_ADC_DIG_CTRL                              0x100
 102#define SUN8I_ADC_DIG_CTRL_ENAD                         15
 103#define SUN8I_ADC_DIG_CTRL_ADOUT_DTS                    2
 104#define SUN8I_ADC_DIG_CTRL_ADOUT_DLY                    1
 105#define SUN8I_DAC_DIG_CTRL                              0x120
 106#define SUN8I_DAC_DIG_CTRL_ENDA                         15
 107#define SUN8I_DAC_MXR_SRC                               0x130
 108#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L         15
 109#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L         14
 110#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL         13
 111#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL             12
 112#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R         11
 113#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R         10
 114#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR         9
 115#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR             8
 116
 117#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK       GENMASK(9, 8)
 118#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK       GENMASK(5, 4)
 119#define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK          GENMASK(15, 12)
 120#define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK          GENMASK(11, 8)
 121#define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK         GENMASK(14, 13)
 122#define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK        GENMASK(12, 9)
 123#define SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK        GENMASK(8, 6)
 124#define SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK        GENMASK(5, 4)
 125#define SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK        GENMASK(3, 2)
 126#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK   GENMASK(1, 0)
 127
 128#define SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE 48000
 129
 130#define SUN8I_CODEC_PCM_FORMATS (SNDRV_PCM_FMTBIT_S8     |\
 131                                 SNDRV_PCM_FMTBIT_S16_LE |\
 132                                 SNDRV_PCM_FMTBIT_S20_LE |\
 133                                 SNDRV_PCM_FMTBIT_S24_LE |\
 134                                 SNDRV_PCM_FMTBIT_S20_3LE|\
 135                                 SNDRV_PCM_FMTBIT_S24_3LE)
 136
 137#define SUN8I_CODEC_PCM_RATES   (SNDRV_PCM_RATE_8000_48000|\
 138                                 SNDRV_PCM_RATE_88200     |\
 139                                 SNDRV_PCM_RATE_96000     |\
 140                                 SNDRV_PCM_RATE_176400    |\
 141                                 SNDRV_PCM_RATE_192000    |\
 142                                 SNDRV_PCM_RATE_KNOT)
 143
 144enum {
 145        SUN8I_CODEC_AIF1,
 146        SUN8I_CODEC_AIF2,
 147        SUN8I_CODEC_AIF3,
 148        SUN8I_CODEC_NAIFS
 149};
 150
 151struct sun8i_codec_aif {
 152        unsigned int    lrck_div_order;
 153        unsigned int    sample_rate;
 154        unsigned int    slots;
 155        unsigned int    slot_width;
 156        unsigned int    active_streams  : 2;
 157        unsigned int    open_streams    : 2;
 158};
 159
 160struct sun8i_codec_quirks {
 161        bool legacy_widgets     : 1;
 162        bool lrck_inversion     : 1;
 163};
 164
 165struct sun8i_codec {
 166        struct regmap                   *regmap;
 167        struct clk                      *clk_module;
 168        const struct sun8i_codec_quirks *quirks;
 169        struct sun8i_codec_aif          aifs[SUN8I_CODEC_NAIFS];
 170        unsigned int                    sysclk_rate;
 171        int                             sysclk_refcnt;
 172};
 173
 174static struct snd_soc_dai_driver sun8i_codec_dais[];
 175
 176static int sun8i_codec_runtime_resume(struct device *dev)
 177{
 178        struct sun8i_codec *scodec = dev_get_drvdata(dev);
 179        int ret;
 180
 181        regcache_cache_only(scodec->regmap, false);
 182
 183        ret = regcache_sync(scodec->regmap);
 184        if (ret) {
 185                dev_err(dev, "Failed to sync regmap cache\n");
 186                return ret;
 187        }
 188
 189        return 0;
 190}
 191
 192static int sun8i_codec_runtime_suspend(struct device *dev)
 193{
 194        struct sun8i_codec *scodec = dev_get_drvdata(dev);
 195
 196        regcache_cache_only(scodec->regmap, true);
 197        regcache_mark_dirty(scodec->regmap);
 198
 199        return 0;
 200}
 201
 202static int sun8i_codec_get_hw_rate(unsigned int sample_rate)
 203{
 204        switch (sample_rate) {
 205        case 7350:
 206        case 8000:
 207                return 0x0;
 208        case 11025:
 209                return 0x1;
 210        case 12000:
 211                return 0x2;
 212        case 14700:
 213        case 16000:
 214                return 0x3;
 215        case 22050:
 216                return 0x4;
 217        case 24000:
 218                return 0x5;
 219        case 29400:
 220        case 32000:
 221                return 0x6;
 222        case 44100:
 223                return 0x7;
 224        case 48000:
 225                return 0x8;
 226        case 88200:
 227        case 96000:
 228                return 0x9;
 229        case 176400:
 230        case 192000:
 231                return 0xa;
 232        default:
 233                return -EINVAL;
 234        }
 235}
 236
 237static int sun8i_codec_update_sample_rate(struct sun8i_codec *scodec)
 238{
 239        unsigned int max_rate = 0;
 240        int hw_rate, i;
 241
 242        for (i = SUN8I_CODEC_AIF1; i < SUN8I_CODEC_NAIFS; ++i) {
 243                struct sun8i_codec_aif *aif = &scodec->aifs[i];
 244
 245                if (aif->active_streams)
 246                        max_rate = max(max_rate, aif->sample_rate);
 247        }
 248
 249        /* Set the sample rate for ADC->DAC passthrough when no AIF is active. */
 250        if (!max_rate)
 251                max_rate = SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE;
 252
 253        hw_rate = sun8i_codec_get_hw_rate(max_rate);
 254        if (hw_rate < 0)
 255                return hw_rate;
 256
 257        regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
 258                           SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
 259                           hw_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
 260
 261        return 0;
 262}
 263
 264static int sun8i_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 265{
 266        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 267        u32 dsp_format, format, invert, value;
 268
 269        /* clock masters */
 270        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 271        case SND_SOC_DAIFMT_CBS_CFS: /* Codec slave, DAI master */
 272                value = 0x1;
 273                break;
 274        case SND_SOC_DAIFMT_CBM_CFM: /* Codec Master, DAI slave */
 275                value = 0x0;
 276                break;
 277        default:
 278                return -EINVAL;
 279        }
 280
 281        if (dai->id == SUN8I_CODEC_AIF3) {
 282                /* AIF3 only supports master mode. */
 283                if (value)
 284                        return -EINVAL;
 285
 286                /* Use the AIF2 BCLK and LRCK for AIF3. */
 287                regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 288                                   SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK,
 289                                   SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2);
 290        } else {
 291                regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 292                                   BIT(SUN8I_AIF_CLK_CTRL_MSTR_MOD),
 293                                   value << SUN8I_AIF_CLK_CTRL_MSTR_MOD);
 294        }
 295
 296        /* DAI format */
 297        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 298        case SND_SOC_DAIFMT_I2S:
 299                format = 0x0;
 300                break;
 301        case SND_SOC_DAIFMT_LEFT_J:
 302                format = 0x1;
 303                break;
 304        case SND_SOC_DAIFMT_RIGHT_J:
 305                format = 0x2;
 306                break;
 307        case SND_SOC_DAIFMT_DSP_A:
 308                format = 0x3;
 309                dsp_format = 0x0; /* Set LRCK_INV to 0 */
 310                break;
 311        case SND_SOC_DAIFMT_DSP_B:
 312                format = 0x3;
 313                dsp_format = 0x1; /* Set LRCK_INV to 1 */
 314                break;
 315        default:
 316                return -EINVAL;
 317        }
 318
 319        if (dai->id == SUN8I_CODEC_AIF3) {
 320                /* AIF3 only supports DSP mode. */
 321                if (format != 3)
 322                        return -EINVAL;
 323        } else {
 324                regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 325                                   SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK,
 326                                   format << SUN8I_AIF_CLK_CTRL_DATA_FMT);
 327        }
 328
 329        /* clock inversion */
 330        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 331        case SND_SOC_DAIFMT_NB_NF: /* Normal */
 332                invert = 0x0;
 333                break;
 334        case SND_SOC_DAIFMT_NB_IF: /* Inverted LRCK */
 335                invert = 0x1;
 336                break;
 337        case SND_SOC_DAIFMT_IB_NF: /* Inverted BCLK */
 338                invert = 0x2;
 339                break;
 340        case SND_SOC_DAIFMT_IB_IF: /* Both inverted */
 341                invert = 0x3;
 342                break;
 343        default:
 344                return -EINVAL;
 345        }
 346
 347        if (format == 0x3) {
 348                /* Inverted LRCK is not available in DSP mode. */
 349                if (invert & BIT(0))
 350                        return -EINVAL;
 351
 352                /* Instead, the bit selects between DSP A/B formats. */
 353                invert |= dsp_format;
 354        } else {
 355                /*
 356                 * It appears that the DAI and the codec in the A33 SoC don't
 357                 * share the same polarity for the LRCK signal when they mean
 358                 * 'normal' and 'inverted' in the datasheet.
 359                 *
 360                 * Since the DAI here is our regular i2s driver that have been
 361                 * tested with way more codecs than just this one, it means
 362                 * that the codec probably gets it backward, and we have to
 363                 * invert the value here.
 364                 */
 365                invert ^= scodec->quirks->lrck_inversion;
 366        }
 367
 368        regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 369                           SUN8I_AIF_CLK_CTRL_CLK_INV_MASK,
 370                           invert << SUN8I_AIF_CLK_CTRL_CLK_INV);
 371
 372        return 0;
 373}
 374
 375static int sun8i_codec_set_tdm_slot(struct snd_soc_dai *dai,
 376                                    unsigned int tx_mask, unsigned int rx_mask,
 377                                    int slots, int slot_width)
 378{
 379        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 380        struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
 381
 382        if (slot_width && !is_power_of_2(slot_width))
 383                return -EINVAL;
 384
 385        aif->slots = slots;
 386        aif->slot_width = slot_width;
 387
 388        return 0;
 389}
 390
 391static const unsigned int sun8i_codec_rates[] = {
 392          7350,   8000,  11025,  12000,  14700,  16000,  22050,  24000,
 393         29400,  32000,  44100,  48000,  88200,  96000, 176400, 192000,
 394};
 395
 396static const struct snd_pcm_hw_constraint_list sun8i_codec_all_rates = {
 397        .list   = sun8i_codec_rates,
 398        .count  = ARRAY_SIZE(sun8i_codec_rates),
 399};
 400
 401static const struct snd_pcm_hw_constraint_list sun8i_codec_22M_rates = {
 402        .list   = sun8i_codec_rates,
 403        .count  = ARRAY_SIZE(sun8i_codec_rates),
 404        .mask   = 0x5555,
 405};
 406
 407static const struct snd_pcm_hw_constraint_list sun8i_codec_24M_rates = {
 408        .list   = sun8i_codec_rates,
 409        .count  = ARRAY_SIZE(sun8i_codec_rates),
 410        .mask   = 0xaaaa,
 411};
 412
 413static int sun8i_codec_startup(struct snd_pcm_substream *substream,
 414                               struct snd_soc_dai *dai)
 415{
 416        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 417        const struct snd_pcm_hw_constraint_list *list;
 418
 419        /* hw_constraints is not relevant for codec2codec DAIs. */
 420        if (dai->id != SUN8I_CODEC_AIF1)
 421                return 0;
 422
 423        if (!scodec->sysclk_refcnt)
 424                list = &sun8i_codec_all_rates;
 425        else if (scodec->sysclk_rate == 22579200)
 426                list = &sun8i_codec_22M_rates;
 427        else if (scodec->sysclk_rate == 24576000)
 428                list = &sun8i_codec_24M_rates;
 429        else
 430                return -EINVAL;
 431
 432        return snd_pcm_hw_constraint_list(substream->runtime, 0,
 433                                          SNDRV_PCM_HW_PARAM_RATE, list);
 434}
 435
 436struct sun8i_codec_clk_div {
 437        u8      div;
 438        u8      val;
 439};
 440
 441static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
 442        { .div = 1,     .val = 0 },
 443        { .div = 2,     .val = 1 },
 444        { .div = 4,     .val = 2 },
 445        { .div = 6,     .val = 3 },
 446        { .div = 8,     .val = 4 },
 447        { .div = 12,    .val = 5 },
 448        { .div = 16,    .val = 6 },
 449        { .div = 24,    .val = 7 },
 450        { .div = 32,    .val = 8 },
 451        { .div = 48,    .val = 9 },
 452        { .div = 64,    .val = 10 },
 453        { .div = 96,    .val = 11 },
 454        { .div = 128,   .val = 12 },
 455        { .div = 192,   .val = 13 },
 456};
 457
 458static int sun8i_codec_get_bclk_div(unsigned int sysclk_rate,
 459                                    unsigned int lrck_div_order,
 460                                    unsigned int sample_rate)
 461{
 462        unsigned int div = sysclk_rate / sample_rate >> lrck_div_order;
 463        int i;
 464
 465        for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
 466                const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
 467
 468                if (bdiv->div == div)
 469                        return bdiv->val;
 470        }
 471
 472        return -EINVAL;
 473}
 474
 475static int sun8i_codec_get_lrck_div_order(unsigned int slots,
 476                                          unsigned int slot_width)
 477{
 478        unsigned int div = slots * slot_width;
 479
 480        if (div < 16 || div > 256)
 481                return -EINVAL;
 482
 483        return order_base_2(div);
 484}
 485
 486static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate)
 487{
 488        return (sample_rate % 4000) ? 22579200 : 24576000;
 489}
 490
 491static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
 492                                 struct snd_pcm_hw_params *params,
 493                                 struct snd_soc_dai *dai)
 494{
 495        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 496        struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
 497        unsigned int sample_rate = params_rate(params);
 498        unsigned int slots = aif->slots ?: params_channels(params);
 499        unsigned int slot_width = aif->slot_width ?: params_width(params);
 500        unsigned int sysclk_rate = sun8i_codec_get_sysclk_rate(sample_rate);
 501        int bclk_div, lrck_div_order, ret, word_size;
 502        u32 clk_reg;
 503
 504        /* word size */
 505        switch (params_width(params)) {
 506        case 8:
 507                word_size = 0x0;
 508                break;
 509        case 16:
 510                word_size = 0x1;
 511                break;
 512        case 20:
 513                word_size = 0x2;
 514                break;
 515        case 24:
 516                word_size = 0x3;
 517                break;
 518        default:
 519                return -EINVAL;
 520        }
 521
 522        regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 523                           SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK,
 524                           word_size << SUN8I_AIF_CLK_CTRL_WORD_SIZ);
 525
 526        /* LRCK divider (BCLK/LRCK ratio) */
 527        lrck_div_order = sun8i_codec_get_lrck_div_order(slots, slot_width);
 528        if (lrck_div_order < 0)
 529                return lrck_div_order;
 530
 531        if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) {
 532                /* AIF2 and AIF3 share AIF2's BCLK and LRCK generation circuitry. */
 533                int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id;
 534                const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner];
 535                const char *partner_name = sun8i_codec_dais[partner].name;
 536
 537                if (partner_aif->open_streams &&
 538                    (lrck_div_order != partner_aif->lrck_div_order ||
 539                     sample_rate != partner_aif->sample_rate)) {
 540                        dev_err(dai->dev,
 541                                "%s sample and bit rates must match %s when both are used\n",
 542                                dai->name, partner_name);
 543                        return -EBUSY;
 544                }
 545
 546                clk_reg = SUN8I_AIF_CLK_CTRL(SUN8I_CODEC_AIF2);
 547        } else {
 548                clk_reg = SUN8I_AIF_CLK_CTRL(dai->id);
 549        }
 550
 551        regmap_update_bits(scodec->regmap, clk_reg,
 552                           SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK,
 553                           (lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV);
 554
 555        /* BCLK divider (SYSCLK/BCLK ratio) */
 556        bclk_div = sun8i_codec_get_bclk_div(sysclk_rate, lrck_div_order, sample_rate);
 557        if (bclk_div < 0)
 558                return bclk_div;
 559
 560        regmap_update_bits(scodec->regmap, clk_reg,
 561                           SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK,
 562                           bclk_div << SUN8I_AIF_CLK_CTRL_BCLK_DIV);
 563
 564        /*
 565         * SYSCLK rate
 566         *
 567         * Clock rate protection is reference counted; but hw_params may be
 568         * called many times per substream, without matching calls to hw_free.
 569         * Protect the clock rate once per AIF, on the first hw_params call
 570         * for the first substream. clk_set_rate() will allow clock rate
 571         * changes on subsequent calls if only one AIF has open streams.
 572         */
 573        ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module,
 574                                                                          sysclk_rate);
 575        if (ret == -EBUSY)
 576                dev_err(dai->dev,
 577                        "%s sample rate (%u Hz) conflicts with other audio streams\n",
 578                        dai->name, sample_rate);
 579        if (ret < 0)
 580                return ret;
 581
 582        if (!aif->open_streams)
 583                scodec->sysclk_refcnt++;
 584        scodec->sysclk_rate = sysclk_rate;
 585
 586        aif->lrck_div_order = lrck_div_order;
 587        aif->sample_rate = sample_rate;
 588        aif->open_streams |= BIT(substream->stream);
 589
 590        return sun8i_codec_update_sample_rate(scodec);
 591}
 592
 593static int sun8i_codec_hw_free(struct snd_pcm_substream *substream,
 594                               struct snd_soc_dai *dai)
 595{
 596        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 597        struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
 598
 599        /* Drop references when the last substream for the AIF is freed. */
 600        if (aif->open_streams != BIT(substream->stream))
 601                goto done;
 602
 603        clk_rate_exclusive_put(scodec->clk_module);
 604        scodec->sysclk_refcnt--;
 605        aif->lrck_div_order = 0;
 606        aif->sample_rate = 0;
 607
 608done:
 609        aif->open_streams &= ~BIT(substream->stream);
 610        return 0;
 611}
 612
 613static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
 614        .set_fmt        = sun8i_codec_set_fmt,
 615        .set_tdm_slot   = sun8i_codec_set_tdm_slot,
 616        .startup        = sun8i_codec_startup,
 617        .hw_params      = sun8i_codec_hw_params,
 618        .hw_free        = sun8i_codec_hw_free,
 619};
 620
 621static struct snd_soc_dai_driver sun8i_codec_dais[] = {
 622        {
 623                .name   = "sun8i-codec-aif1",
 624                .id     = SUN8I_CODEC_AIF1,
 625                .ops    = &sun8i_codec_dai_ops,
 626                /* capture capabilities */
 627                .capture = {
 628                        .stream_name    = "AIF1 Capture",
 629                        .channels_min   = 1,
 630                        .channels_max   = 2,
 631                        .rates          = SUN8I_CODEC_PCM_RATES,
 632                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 633                        .sig_bits       = 24,
 634                },
 635                /* playback capabilities */
 636                .playback = {
 637                        .stream_name    = "AIF1 Playback",
 638                        .channels_min   = 1,
 639                        .channels_max   = 2,
 640                        .rates          = SUN8I_CODEC_PCM_RATES,
 641                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 642                },
 643                .symmetric_rate         = true,
 644                .symmetric_channels     = true,
 645                .symmetric_sample_bits  = true,
 646        },
 647        {
 648                .name   = "sun8i-codec-aif2",
 649                .id     = SUN8I_CODEC_AIF2,
 650                .ops    = &sun8i_codec_dai_ops,
 651                /* capture capabilities */
 652                .capture = {
 653                        .stream_name    = "AIF2 Capture",
 654                        .channels_min   = 1,
 655                        .channels_max   = 2,
 656                        .rates          = SUN8I_CODEC_PCM_RATES,
 657                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 658                        .sig_bits       = 24,
 659                },
 660                /* playback capabilities */
 661                .playback = {
 662                        .stream_name    = "AIF2 Playback",
 663                        .channels_min   = 1,
 664                        .channels_max   = 2,
 665                        .rates          = SUN8I_CODEC_PCM_RATES,
 666                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 667                },
 668                .symmetric_rate         = true,
 669                .symmetric_channels     = true,
 670                .symmetric_sample_bits  = true,
 671        },
 672        {
 673                .name   = "sun8i-codec-aif3",
 674                .id     = SUN8I_CODEC_AIF3,
 675                .ops    = &sun8i_codec_dai_ops,
 676                /* capture capabilities */
 677                .capture = {
 678                        .stream_name    = "AIF3 Capture",
 679                        .channels_min   = 1,
 680                        .channels_max   = 1,
 681                        .rates          = SUN8I_CODEC_PCM_RATES,
 682                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 683                        .sig_bits       = 24,
 684                },
 685                /* playback capabilities */
 686                .playback = {
 687                        .stream_name    = "AIF3 Playback",
 688                        .channels_min   = 1,
 689                        .channels_max   = 1,
 690                        .rates          = SUN8I_CODEC_PCM_RATES,
 691                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 692                },
 693                .symmetric_rate         = true,
 694                .symmetric_channels     = true,
 695                .symmetric_sample_bits  = true,
 696        },
 697};
 698
 699static int sun8i_codec_aif_event(struct snd_soc_dapm_widget *w,
 700                                 struct snd_kcontrol *kcontrol, int event)
 701{
 702        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 703        struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
 704        struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1'];
 705        int stream = w->id == snd_soc_dapm_aif_out;
 706
 707        if (SND_SOC_DAPM_EVENT_ON(event))
 708                aif->active_streams |= BIT(stream);
 709        else
 710                aif->active_streams &= ~BIT(stream);
 711
 712        return sun8i_codec_update_sample_rate(scodec);
 713}
 714
 715static const char *const sun8i_aif_stereo_mux_enum_values[] = {
 716        "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono"
 717};
 718
 719static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum,
 720                            SUN8I_AIF1_ADCDAT_CTRL,
 721                            SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC,
 722                            SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC,
 723                            sun8i_aif_stereo_mux_enum_values);
 724
 725static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control =
 726        SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route",
 727                      sun8i_aif1_ad0_stereo_mux_enum);
 728
 729static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_adc_stereo_mux_enum,
 730                            SUN8I_AIF2_ADCDAT_CTRL,
 731                            SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC,
 732                            SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC,
 733                            sun8i_aif_stereo_mux_enum_values);
 734
 735static const struct snd_kcontrol_new sun8i_aif2_adc_stereo_mux_control =
 736        SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route",
 737                      sun8i_aif2_adc_stereo_mux_enum);
 738
 739static const char *const sun8i_aif3_adc_mux_enum_values[] = {
 740        "None", "AIF2 ADCL", "AIF2 ADCR"
 741};
 742
 743static SOC_ENUM_SINGLE_DECL(sun8i_aif3_adc_mux_enum,
 744                            SUN8I_AIF3_PATH_CTRL,
 745                            SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC,
 746                            sun8i_aif3_adc_mux_enum_values);
 747
 748static const struct snd_kcontrol_new sun8i_aif3_adc_mux_control =
 749        SOC_DAPM_ENUM("AIF3 ADC Source Capture Route",
 750                      sun8i_aif3_adc_mux_enum);
 751
 752static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
 753        SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
 754                        SUN8I_AIF1_MXR_SRC,
 755                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L,
 756                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
 757        SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch",
 758                        SUN8I_AIF1_MXR_SRC,
 759                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL,
 760                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
 761        SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
 762                        SUN8I_AIF1_MXR_SRC,
 763                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL,
 764                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
 765        SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
 766                        SUN8I_AIF1_MXR_SRC,
 767                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR,
 768                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
 769};
 770
 771static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = {
 772        SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch",
 773                        SUN8I_AIF2_MXR_SRC,
 774                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L,
 775                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0),
 776        SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch",
 777                        SUN8I_AIF2_MXR_SRC,
 778                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L,
 779                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0),
 780        SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch",
 781                        SUN8I_AIF2_MXR_SRC,
 782                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR,
 783                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0),
 784        SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch",
 785                        SUN8I_AIF2_MXR_SRC,
 786                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL,
 787                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0),
 788};
 789
 790static const char *const sun8i_aif2_dac_mux_enum_values[] = {
 791        "AIF2", "AIF3+2", "AIF2+3"
 792};
 793
 794static SOC_ENUM_SINGLE_DECL(sun8i_aif2_dac_mux_enum,
 795                            SUN8I_AIF3_PATH_CTRL,
 796                            SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC,
 797                            sun8i_aif2_dac_mux_enum_values);
 798
 799static const struct snd_kcontrol_new sun8i_aif2_dac_mux_control =
 800        SOC_DAPM_ENUM("AIF2 DAC Source Playback Route",
 801                      sun8i_aif2_dac_mux_enum);
 802
 803static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum,
 804                            SUN8I_AIF1_DACDAT_CTRL,
 805                            SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC,
 806                            SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC,
 807                            sun8i_aif_stereo_mux_enum_values);
 808
 809static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control =
 810        SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route",
 811                      sun8i_aif1_da0_stereo_mux_enum);
 812
 813static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_dac_stereo_mux_enum,
 814                            SUN8I_AIF2_DACDAT_CTRL,
 815                            SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC,
 816                            SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC,
 817                            sun8i_aif_stereo_mux_enum_values);
 818
 819static const struct snd_kcontrol_new sun8i_aif2_dac_stereo_mux_control =
 820        SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route",
 821                      sun8i_aif2_dac_stereo_mux_enum);
 822
 823static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
 824        SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
 825                        SUN8I_DAC_MXR_SRC,
 826                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
 827                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
 828        SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
 829                        SUN8I_DAC_MXR_SRC,
 830                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
 831                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
 832        SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
 833                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
 834                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
 835        SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
 836                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
 837                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
 838};
 839
 840static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 841        /* System Clocks */
 842        SND_SOC_DAPM_CLOCK_SUPPLY("mod"),
 843
 844        SND_SOC_DAPM_SUPPLY("AIF1CLK",
 845                            SUN8I_SYSCLK_CTL,
 846                            SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
 847        SND_SOC_DAPM_SUPPLY("AIF2CLK",
 848                            SUN8I_SYSCLK_CTL,
 849                            SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0),
 850        SND_SOC_DAPM_SUPPLY("SYSCLK",
 851                            SUN8I_SYSCLK_CTL,
 852                            SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
 853
 854        /* Module Clocks */
 855        SND_SOC_DAPM_SUPPLY("CLK AIF1",
 856                            SUN8I_MOD_CLK_ENA,
 857                            SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
 858        SND_SOC_DAPM_SUPPLY("CLK AIF2",
 859                            SUN8I_MOD_CLK_ENA,
 860                            SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0),
 861        SND_SOC_DAPM_SUPPLY("CLK AIF3",
 862                            SUN8I_MOD_CLK_ENA,
 863                            SUN8I_MOD_CLK_ENA_AIF3, 0, NULL, 0),
 864        SND_SOC_DAPM_SUPPLY("CLK ADC",
 865                            SUN8I_MOD_CLK_ENA,
 866                            SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
 867        SND_SOC_DAPM_SUPPLY("CLK DAC",
 868                            SUN8I_MOD_CLK_ENA,
 869                            SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
 870
 871        /* Module Resets */
 872        SND_SOC_DAPM_SUPPLY("RST AIF1",
 873                            SUN8I_MOD_RST_CTL,
 874                            SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
 875        SND_SOC_DAPM_SUPPLY("RST AIF2",
 876                            SUN8I_MOD_RST_CTL,
 877                            SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0),
 878        SND_SOC_DAPM_SUPPLY("RST AIF3",
 879                            SUN8I_MOD_RST_CTL,
 880                            SUN8I_MOD_RST_CTL_AIF3, 0, NULL, 0),
 881        SND_SOC_DAPM_SUPPLY("RST ADC",
 882                            SUN8I_MOD_RST_CTL,
 883                            SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
 884        SND_SOC_DAPM_SUPPLY("RST DAC",
 885                            SUN8I_MOD_RST_CTL,
 886                            SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
 887
 888        /* Module Supplies */
 889        SND_SOC_DAPM_SUPPLY("ADC",
 890                            SUN8I_ADC_DIG_CTRL,
 891                            SUN8I_ADC_DIG_CTRL_ENAD, 0, NULL, 0),
 892        SND_SOC_DAPM_SUPPLY("DAC",
 893                            SUN8I_DAC_DIG_CTRL,
 894                            SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0),
 895
 896        /* AIF "ADC" Outputs */
 897        SND_SOC_DAPM_AIF_OUT_E("AIF1 AD0L", "AIF1 Capture", 0,
 898                               SUN8I_AIF1_ADCDAT_CTRL,
 899                               SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA, 0,
 900                               sun8i_codec_aif_event,
 901                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 902        SND_SOC_DAPM_AIF_OUT("AIF1 AD0R", "AIF1 Capture", 1,
 903                             SUN8I_AIF1_ADCDAT_CTRL,
 904                             SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0),
 905
 906        SND_SOC_DAPM_AIF_OUT_E("AIF2 ADCL", "AIF2 Capture", 0,
 907                               SUN8I_AIF2_ADCDAT_CTRL,
 908                               SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0,
 909                               sun8i_codec_aif_event,
 910                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 911        SND_SOC_DAPM_AIF_OUT("AIF2 ADCR", "AIF2 Capture", 1,
 912                             SUN8I_AIF2_ADCDAT_CTRL,
 913                             SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0),
 914
 915        SND_SOC_DAPM_AIF_OUT_E("AIF3 ADC", "AIF3 Capture", 0,
 916                               SND_SOC_NOPM, 0, 0,
 917                               sun8i_codec_aif_event,
 918                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 919
 920        /* AIF "ADC" Mono/Stereo Muxes */
 921        SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0,
 922                         &sun8i_aif1_ad0_stereo_mux_control),
 923        SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0,
 924                         &sun8i_aif1_ad0_stereo_mux_control),
 925
 926        SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mux", SND_SOC_NOPM, 0, 0,
 927                         &sun8i_aif2_adc_stereo_mux_control),
 928        SND_SOC_DAPM_MUX("AIF2 ADCR Stereo Mux", SND_SOC_NOPM, 0, 0,
 929                         &sun8i_aif2_adc_stereo_mux_control),
 930
 931        /* AIF "ADC" Output Muxes */
 932        SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0,
 933                         &sun8i_aif3_adc_mux_control),
 934
 935        /* AIF "ADC" Mixers */
 936        SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0,
 937                        sun8i_aif1_ad0_mixer_controls),
 938        SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0,
 939                        sun8i_aif1_ad0_mixer_controls),
 940
 941        SOC_MIXER_ARRAY("AIF2 ADCL Mixer", SND_SOC_NOPM, 0, 0,
 942                        sun8i_aif2_adc_mixer_controls),
 943        SOC_MIXER_ARRAY("AIF2 ADCR Mixer", SND_SOC_NOPM, 0, 0,
 944                        sun8i_aif2_adc_mixer_controls),
 945
 946        /* AIF "DAC" Input Muxes */
 947        SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0,
 948                         &sun8i_aif2_dac_mux_control),
 949        SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0,
 950                         &sun8i_aif2_dac_mux_control),
 951
 952        /* AIF "DAC" Mono/Stereo Muxes */
 953        SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0,
 954                         &sun8i_aif1_da0_stereo_mux_control),
 955        SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0,
 956                         &sun8i_aif1_da0_stereo_mux_control),
 957
 958        SND_SOC_DAPM_MUX("AIF2 DACL Stereo Mux", SND_SOC_NOPM, 0, 0,
 959                         &sun8i_aif2_dac_stereo_mux_control),
 960        SND_SOC_DAPM_MUX("AIF2 DACR Stereo Mux", SND_SOC_NOPM, 0, 0,
 961                         &sun8i_aif2_dac_stereo_mux_control),
 962
 963        /* AIF "DAC" Inputs */
 964        SND_SOC_DAPM_AIF_IN_E("AIF1 DA0L", "AIF1 Playback", 0,
 965                              SUN8I_AIF1_DACDAT_CTRL,
 966                              SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0,
 967                              sun8i_codec_aif_event,
 968                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 969        SND_SOC_DAPM_AIF_IN("AIF1 DA0R", "AIF1 Playback", 1,
 970                            SUN8I_AIF1_DACDAT_CTRL,
 971                            SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
 972
 973        SND_SOC_DAPM_AIF_IN_E("AIF2 DACL", "AIF2 Playback", 0,
 974                              SUN8I_AIF2_DACDAT_CTRL,
 975                              SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0,
 976                              sun8i_codec_aif_event,
 977                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 978        SND_SOC_DAPM_AIF_IN("AIF2 DACR", "AIF2 Playback", 1,
 979                            SUN8I_AIF2_DACDAT_CTRL,
 980                            SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0),
 981
 982        SND_SOC_DAPM_AIF_IN_E("AIF3 DAC", "AIF3 Playback", 0,
 983                              SND_SOC_NOPM, 0, 0,
 984                              sun8i_codec_aif_event,
 985                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 986
 987        /* ADC Inputs (connected to analog codec DAPM context) */
 988        SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 0, 0),
 989        SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
 990
 991        /* DAC Outputs (connected to analog codec DAPM context) */
 992        SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
 993        SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
 994
 995        /* DAC Mixers */
 996        SOC_MIXER_ARRAY("DACL Mixer", SND_SOC_NOPM, 0, 0,
 997                        sun8i_dac_mixer_controls),
 998        SOC_MIXER_ARRAY("DACR Mixer", SND_SOC_NOPM, 0, 0,
 999                        sun8i_dac_mixer_controls),
1000};
1001
1002static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
1003        /* Clock Routes */
1004        { "AIF1CLK", NULL, "mod" },
1005
1006        { "SYSCLK", NULL, "AIF1CLK" },
1007
1008        { "CLK AIF1", NULL, "AIF1CLK" },
1009        { "CLK AIF1", NULL, "SYSCLK" },
1010        { "RST AIF1", NULL, "CLK AIF1" },
1011        { "AIF1 AD0L", NULL, "RST AIF1" },
1012        { "AIF1 AD0R", NULL, "RST AIF1" },
1013        { "AIF1 DA0L", NULL, "RST AIF1" },
1014        { "AIF1 DA0R", NULL, "RST AIF1" },
1015
1016        { "CLK AIF2", NULL, "AIF2CLK" },
1017        { "CLK AIF2", NULL, "SYSCLK" },
1018        { "RST AIF2", NULL, "CLK AIF2" },
1019        { "AIF2 ADCL", NULL, "RST AIF2" },
1020        { "AIF2 ADCR", NULL, "RST AIF2" },
1021        { "AIF2 DACL", NULL, "RST AIF2" },
1022        { "AIF2 DACR", NULL, "RST AIF2" },
1023
1024        { "CLK AIF3", NULL, "AIF1CLK" },
1025        { "CLK AIF3", NULL, "SYSCLK" },
1026        { "RST AIF3", NULL, "CLK AIF3" },
1027        { "AIF3 ADC", NULL, "RST AIF3" },
1028        { "AIF3 DAC", NULL, "RST AIF3" },
1029
1030        { "CLK ADC", NULL, "SYSCLK" },
1031        { "RST ADC", NULL, "CLK ADC" },
1032        { "ADC", NULL, "RST ADC" },
1033        { "ADCL", NULL, "ADC" },
1034        { "ADCR", NULL, "ADC" },
1035
1036        { "CLK DAC", NULL, "SYSCLK" },
1037        { "RST DAC", NULL, "CLK DAC" },
1038        { "DAC", NULL, "RST DAC" },
1039        { "DACL", NULL, "DAC" },
1040        { "DACR", NULL, "DAC" },
1041
1042        /* AIF "ADC" Output Routes */
1043        { "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" },
1044        { "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" },
1045
1046        { "AIF2 ADCL", NULL, "AIF2 ADCL Stereo Mux" },
1047        { "AIF2 ADCR", NULL, "AIF2 ADCR Stereo Mux" },
1048
1049        { "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" },
1050
1051        /* AIF "ADC" Mono/Stereo Mux Routes */
1052        { "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" },
1053        { "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" },
1054        { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1055        { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1056        { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1057        { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1058
1059        { "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" },
1060        { "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" },
1061        { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1062        { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1063        { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1064        { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1065
1066        { "AIF2 ADCL Stereo Mux", "Stereo", "AIF2 ADCL Mixer" },
1067        { "AIF2 ADCL Stereo Mux", "Reverse Stereo", "AIF2 ADCR Mixer" },
1068        { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1069        { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1070        { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1071        { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1072
1073        { "AIF2 ADCR Stereo Mux", "Stereo", "AIF2 ADCR Mixer" },
1074        { "AIF2 ADCR Stereo Mux", "Reverse Stereo", "AIF2 ADCL Mixer" },
1075        { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1076        { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1077        { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1078        { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1079
1080        /* AIF "ADC" Output Mux Routes */
1081        { "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" },
1082        { "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" },
1083
1084        /* AIF "ADC" Mixer Routes */
1085        { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" },
1086        { "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" },
1087        { "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" },
1088        { "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" },
1089
1090        { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" },
1091        { "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" },
1092        { "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" },
1093        { "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" },
1094
1095        { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0L Stereo Mux" },
1096        { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" },
1097        { "AIF2 ADCL Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCL" },
1098
1099        { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0R Stereo Mux" },
1100        { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" },
1101        { "AIF2 ADCR Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCR" },
1102
1103        /* AIF "DAC" Input Mux Routes */
1104        { "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" },
1105        { "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" },
1106        { "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" },
1107
1108        { "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" },
1109        { "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" },
1110        { "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" },
1111
1112        /* AIF "DAC" Mono/Stereo Mux Routes */
1113        { "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" },
1114        { "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" },
1115        { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1116        { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1117        { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1118        { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1119
1120        { "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" },
1121        { "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" },
1122        { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1123        { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1124        { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1125        { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1126
1127        { "AIF2 DACL Stereo Mux", "Stereo", "AIF2 DACL" },
1128        { "AIF2 DACL Stereo Mux", "Reverse Stereo", "AIF2 DACR" },
1129        { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACL" },
1130        { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACR" },
1131        { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACL" },
1132        { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACR" },
1133
1134        { "AIF2 DACR Stereo Mux", "Stereo", "AIF2 DACR" },
1135        { "AIF2 DACR Stereo Mux", "Reverse Stereo", "AIF2 DACL" },
1136        { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACL" },
1137        { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACR" },
1138        { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACL" },
1139        { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACR" },
1140
1141        /* DAC Output Routes */
1142        { "DACL", NULL, "DACL Mixer" },
1143        { "DACR", NULL, "DACR Mixer" },
1144
1145        /* DAC Mixer Routes */
1146        { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" },
1147        { "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" },
1148        { "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" },
1149
1150        { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" },
1151        { "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" },
1152        { "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" },
1153};
1154
1155static const struct snd_soc_dapm_widget sun8i_codec_legacy_widgets[] = {
1156        /* Legacy ADC Inputs (connected to analog codec DAPM context) */
1157        SND_SOC_DAPM_ADC("AIF1 Slot 0 Left ADC", NULL, SND_SOC_NOPM, 0, 0),
1158        SND_SOC_DAPM_ADC("AIF1 Slot 0 Right ADC", NULL, SND_SOC_NOPM, 0, 0),
1159
1160        /* Legacy DAC Outputs (connected to analog codec DAPM context) */
1161        SND_SOC_DAPM_DAC("AIF1 Slot 0 Left", NULL, SND_SOC_NOPM, 0, 0),
1162        SND_SOC_DAPM_DAC("AIF1 Slot 0 Right", NULL, SND_SOC_NOPM, 0, 0),
1163};
1164
1165static const struct snd_soc_dapm_route sun8i_codec_legacy_routes[] = {
1166        /* Legacy ADC Routes */
1167        { "ADCL", NULL, "AIF1 Slot 0 Left ADC" },
1168        { "ADCR", NULL, "AIF1 Slot 0 Right ADC" },
1169
1170        /* Legacy DAC Routes */
1171        { "AIF1 Slot 0 Left", NULL, "DACL" },
1172        { "AIF1 Slot 0 Right", NULL, "DACR" },
1173};
1174
1175static int sun8i_codec_component_probe(struct snd_soc_component *component)
1176{
1177        struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1178        struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
1179        int ret;
1180
1181        /* Add widgets for backward compatibility with old device trees. */
1182        if (scodec->quirks->legacy_widgets) {
1183                ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_legacy_widgets,
1184                                                ARRAY_SIZE(sun8i_codec_legacy_widgets));
1185                if (ret)
1186                        return ret;
1187
1188                ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_legacy_routes,
1189                                              ARRAY_SIZE(sun8i_codec_legacy_routes));
1190                if (ret)
1191                        return ret;
1192        }
1193
1194        /*
1195         * AIF1CLK and AIF2CLK share a pair of clock parents: PLL_AUDIO ("mod")
1196         * and MCLK (from the CPU DAI connected to AIF1). MCLK's parent is also
1197         * PLL_AUDIO, so using it adds no additional flexibility. Use PLL_AUDIO
1198         * directly to simplify the clock tree.
1199         */
1200        regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1201                           SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK |
1202                           SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK,
1203                           SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL |
1204                           SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL);
1205
1206        /* Use AIF1CLK as the SYSCLK parent since AIF1 is used most often. */
1207        regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1208                           BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC),
1209                           SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK);
1210
1211        /* Program the default sample rate. */
1212        sun8i_codec_update_sample_rate(scodec);
1213
1214        return 0;
1215}
1216
1217static const struct snd_soc_component_driver sun8i_soc_component = {
1218        .dapm_widgets           = sun8i_codec_dapm_widgets,
1219        .num_dapm_widgets       = ARRAY_SIZE(sun8i_codec_dapm_widgets),
1220        .dapm_routes            = sun8i_codec_dapm_routes,
1221        .num_dapm_routes        = ARRAY_SIZE(sun8i_codec_dapm_routes),
1222        .probe                  = sun8i_codec_component_probe,
1223        .idle_bias_on           = 1,
1224        .endianness             = 1,
1225        .non_legacy_dai_naming  = 1,
1226};
1227
1228static const struct regmap_config sun8i_codec_regmap_config = {
1229        .reg_bits       = 32,
1230        .reg_stride     = 4,
1231        .val_bits       = 32,
1232        .max_register   = SUN8I_DAC_MXR_SRC,
1233
1234        .cache_type     = REGCACHE_FLAT,
1235};
1236
1237static int sun8i_codec_probe(struct platform_device *pdev)
1238{
1239        struct sun8i_codec *scodec;
1240        void __iomem *base;
1241        int ret;
1242
1243        scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1244        if (!scodec)
1245                return -ENOMEM;
1246
1247        scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
1248        if (IS_ERR(scodec->clk_module)) {
1249                dev_err(&pdev->dev, "Failed to get the module clock\n");
1250                return PTR_ERR(scodec->clk_module);
1251        }
1252
1253        base = devm_platform_ioremap_resource(pdev, 0);
1254        if (IS_ERR(base)) {
1255                dev_err(&pdev->dev, "Failed to map the registers\n");
1256                return PTR_ERR(base);
1257        }
1258
1259        scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,
1260                                                   &sun8i_codec_regmap_config);
1261        if (IS_ERR(scodec->regmap)) {
1262                dev_err(&pdev->dev, "Failed to create our regmap\n");
1263                return PTR_ERR(scodec->regmap);
1264        }
1265
1266        scodec->quirks = of_device_get_match_data(&pdev->dev);
1267
1268        platform_set_drvdata(pdev, scodec);
1269
1270        pm_runtime_enable(&pdev->dev);
1271        if (!pm_runtime_enabled(&pdev->dev)) {
1272                ret = sun8i_codec_runtime_resume(&pdev->dev);
1273                if (ret)
1274                        goto err_pm_disable;
1275        }
1276
1277        ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
1278                                              sun8i_codec_dais,
1279                                              ARRAY_SIZE(sun8i_codec_dais));
1280        if (ret) {
1281                dev_err(&pdev->dev, "Failed to register codec\n");
1282                goto err_suspend;
1283        }
1284
1285        return ret;
1286
1287err_suspend:
1288        if (!pm_runtime_status_suspended(&pdev->dev))
1289                sun8i_codec_runtime_suspend(&pdev->dev);
1290
1291err_pm_disable:
1292        pm_runtime_disable(&pdev->dev);
1293
1294        return ret;
1295}
1296
1297static int sun8i_codec_remove(struct platform_device *pdev)
1298{
1299        pm_runtime_disable(&pdev->dev);
1300        if (!pm_runtime_status_suspended(&pdev->dev))
1301                sun8i_codec_runtime_suspend(&pdev->dev);
1302
1303        return 0;
1304}
1305
1306static const struct sun8i_codec_quirks sun8i_a33_quirks = {
1307        .legacy_widgets = true,
1308        .lrck_inversion = true,
1309};
1310
1311static const struct sun8i_codec_quirks sun50i_a64_quirks = {
1312};
1313
1314static const struct of_device_id sun8i_codec_of_match[] = {
1315        { .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
1316        { .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
1317        {}
1318};
1319MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
1320
1321static const struct dev_pm_ops sun8i_codec_pm_ops = {
1322        SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
1323                           sun8i_codec_runtime_resume, NULL)
1324};
1325
1326static struct platform_driver sun8i_codec_driver = {
1327        .driver = {
1328                .name = "sun8i-codec",
1329                .of_match_table = sun8i_codec_of_match,
1330                .pm = &sun8i_codec_pm_ops,
1331        },
1332        .probe = sun8i_codec_probe,
1333        .remove = sun8i_codec_remove,
1334};
1335module_platform_driver(sun8i_codec_driver);
1336
1337MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
1338MODULE_AUTHOR("Myl\xC3\xA8ne Josserand <mylene.josserand@free-electrons.com>");
1339MODULE_LICENSE("GPL");
1340MODULE_ALIAS("platform:sun8i-codec");
1341