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 * Mylène 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/input.h>
  16#include <linux/io.h>
  17#include <linux/irq.h>
  18#include <linux/mutex.h>
  19#include <linux/of.h>
  20#include <linux/pm_runtime.h>
  21#include <linux/regmap.h>
  22#include <linux/log2.h>
  23
  24#include <sound/jack.h>
  25#include <sound/pcm_params.h>
  26#include <sound/soc.h>
  27#include <sound/soc-dapm.h>
  28#include <sound/tlv.h>
  29
  30#define SUN8I_SYSCLK_CTL                                0x00c
  31#define SUN8I_SYSCLK_CTL_AIF1CLK_ENA                    11
  32#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL                (0x2 << 8)
  33#define SUN8I_SYSCLK_CTL_AIF2CLK_ENA                    7
  34#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL                (0x2 << 4)
  35#define SUN8I_SYSCLK_CTL_SYSCLK_ENA                     3
  36#define SUN8I_SYSCLK_CTL_SYSCLK_SRC                     0
  37#define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK             (0x0 << 0)
  38#define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK             (0x1 << 0)
  39#define SUN8I_MOD_CLK_ENA                               0x010
  40#define SUN8I_MOD_CLK_ENA_AIF1                          15
  41#define SUN8I_MOD_CLK_ENA_AIF2                          14
  42#define SUN8I_MOD_CLK_ENA_AIF3                          13
  43#define SUN8I_MOD_CLK_ENA_ADC                           3
  44#define SUN8I_MOD_CLK_ENA_DAC                           2
  45#define SUN8I_MOD_RST_CTL                               0x014
  46#define SUN8I_MOD_RST_CTL_AIF1                          15
  47#define SUN8I_MOD_RST_CTL_AIF2                          14
  48#define SUN8I_MOD_RST_CTL_AIF3                          13
  49#define SUN8I_MOD_RST_CTL_ADC                           3
  50#define SUN8I_MOD_RST_CTL_DAC                           2
  51#define SUN8I_SYS_SR_CTRL                               0x018
  52#define SUN8I_SYS_SR_CTRL_AIF1_FS                       12
  53#define SUN8I_SYS_SR_CTRL_AIF2_FS                       8
  54#define SUN8I_AIF_CLK_CTRL(n)                           (0x040 * (1 + (n)))
  55#define SUN8I_AIF_CLK_CTRL_MSTR_MOD                     15
  56#define SUN8I_AIF_CLK_CTRL_CLK_INV                      13
  57#define SUN8I_AIF_CLK_CTRL_BCLK_DIV                     9
  58#define SUN8I_AIF_CLK_CTRL_LRCK_DIV                     6
  59#define SUN8I_AIF_CLK_CTRL_WORD_SIZ                     4
  60#define SUN8I_AIF_CLK_CTRL_DATA_FMT                     2
  61#define SUN8I_AIF1_ADCDAT_CTRL                          0x044
  62#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA            15
  63#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA            14
  64#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC            10
  65#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC            8
  66#define SUN8I_AIF1_DACDAT_CTRL                          0x048
  67#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA            15
  68#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA            14
  69#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC            10
  70#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC            8
  71#define SUN8I_AIF1_MXR_SRC                              0x04c
  72#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L        15
  73#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL        14
  74#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL            13
  75#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR        12
  76#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R        11
  77#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR        10
  78#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR            9
  79#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL        8
  80#define SUN8I_AIF1_VOL_CTRL1                            0x050
  81#define SUN8I_AIF1_VOL_CTRL1_AD0L_VOL                   8
  82#define SUN8I_AIF1_VOL_CTRL1_AD0R_VOL                   0
  83#define SUN8I_AIF1_VOL_CTRL3                            0x058
  84#define SUN8I_AIF1_VOL_CTRL3_DA0L_VOL                   8
  85#define SUN8I_AIF1_VOL_CTRL3_DA0R_VOL                   0
  86#define SUN8I_AIF2_ADCDAT_CTRL                          0x084
  87#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA            15
  88#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA            14
  89#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC            10
  90#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC            8
  91#define SUN8I_AIF2_DACDAT_CTRL                          0x088
  92#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA            15
  93#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA            14
  94#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC            10
  95#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC            8
  96#define SUN8I_AIF2_MXR_SRC                              0x08c
  97#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L        15
  98#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L        14
  99#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR        13
 100#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL            12
 101#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R        11
 102#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R        10
 103#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL        9
 104#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR            8
 105#define SUN8I_AIF2_VOL_CTRL1                            0x090
 106#define SUN8I_AIF2_VOL_CTRL1_ADCL_VOL                   8
 107#define SUN8I_AIF2_VOL_CTRL1_ADCR_VOL                   0
 108#define SUN8I_AIF2_VOL_CTRL2                            0x098
 109#define SUN8I_AIF2_VOL_CTRL2_DACL_VOL                   8
 110#define SUN8I_AIF2_VOL_CTRL2_DACR_VOL                   0
 111#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1           (0x0 << 0)
 112#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2           (0x1 << 0)
 113#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1CLK        (0x2 << 0)
 114#define SUN8I_AIF3_PATH_CTRL                            0x0cc
 115#define SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC               10
 116#define SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC               8
 117#define SUN8I_AIF3_PATH_CTRL_AIF3_PINS_TRI              7
 118#define SUN8I_ADC_DIG_CTRL                              0x100
 119#define SUN8I_ADC_DIG_CTRL_ENAD                         15
 120#define SUN8I_ADC_DIG_CTRL_ADOUT_DTS                    2
 121#define SUN8I_ADC_DIG_CTRL_ADOUT_DLY                    1
 122#define SUN8I_ADC_VOL_CTRL                              0x104
 123#define SUN8I_ADC_VOL_CTRL_ADCL_VOL                     8
 124#define SUN8I_ADC_VOL_CTRL_ADCR_VOL                     0
 125#define SUN8I_HMIC_CTRL1                                0x110
 126#define SUN8I_HMIC_CTRL1_HMIC_M                         12
 127#define SUN8I_HMIC_CTRL1_HMIC_N                         8
 128#define SUN8I_HMIC_CTRL1_MDATA_THRESHOLD_DB             5
 129#define SUN8I_HMIC_CTRL1_JACK_OUT_IRQ_EN                4
 130#define SUN8I_HMIC_CTRL1_JACK_IN_IRQ_EN                 3
 131#define SUN8I_HMIC_CTRL1_HMIC_DATA_IRQ_EN               0
 132#define SUN8I_HMIC_CTRL2                                0x114
 133#define SUN8I_HMIC_CTRL2_HMIC_SAMPLE                    14
 134#define SUN8I_HMIC_CTRL2_HMIC_MDATA_THRESHOLD           8
 135#define SUN8I_HMIC_CTRL2_HMIC_SF                        6
 136#define SUN8I_HMIC_STS                                  0x118
 137#define SUN8I_HMIC_STS_MDATA_DISCARD                    13
 138#define SUN8I_HMIC_STS_HMIC_DATA                        8
 139#define SUN8I_HMIC_STS_JACK_OUT_IRQ_ST                  4
 140#define SUN8I_HMIC_STS_JACK_IN_IRQ_ST                   3
 141#define SUN8I_HMIC_STS_HMIC_DATA_IRQ_ST                 0
 142#define SUN8I_DAC_DIG_CTRL                              0x120
 143#define SUN8I_DAC_DIG_CTRL_ENDA                         15
 144#define SUN8I_DAC_VOL_CTRL                              0x124
 145#define SUN8I_DAC_VOL_CTRL_DACL_VOL                     8
 146#define SUN8I_DAC_VOL_CTRL_DACR_VOL                     0
 147#define SUN8I_DAC_MXR_SRC                               0x130
 148#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L         15
 149#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L         14
 150#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL         13
 151#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL             12
 152#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R         11
 153#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R         10
 154#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR         9
 155#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR             8
 156
 157#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK       GENMASK(9, 8)
 158#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK       GENMASK(5, 4)
 159#define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK          GENMASK(15, 12)
 160#define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK          GENMASK(11, 8)
 161#define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK         GENMASK(14, 13)
 162#define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK        GENMASK(12, 9)
 163#define SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK        GENMASK(8, 6)
 164#define SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK        GENMASK(5, 4)
 165#define SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK        GENMASK(3, 2)
 166#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK   GENMASK(1, 0)
 167#define SUN8I_HMIC_CTRL1_HMIC_M_MASK            GENMASK(15, 12)
 168#define SUN8I_HMIC_CTRL1_HMIC_N_MASK            GENMASK(11, 8)
 169#define SUN8I_HMIC_CTRL1_MDATA_THRESHOLD_DB_MASK GENMASK(6, 5)
 170#define SUN8I_HMIC_CTRL2_HMIC_SAMPLE_MASK       GENMASK(15, 14)
 171#define SUN8I_HMIC_CTRL2_HMIC_SF_MASK           GENMASK(7, 6)
 172#define SUN8I_HMIC_STS_HMIC_DATA_MASK           GENMASK(12, 8)
 173
 174#define SUN8I_CODEC_BUTTONS     (SND_JACK_BTN_0|\
 175                                 SND_JACK_BTN_1|\
 176                                 SND_JACK_BTN_2|\
 177                                 SND_JACK_BTN_3)
 178
 179#define SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE 48000
 180
 181#define SUN8I_CODEC_PCM_FORMATS (SNDRV_PCM_FMTBIT_S8     |\
 182                                 SNDRV_PCM_FMTBIT_S16_LE |\
 183                                 SNDRV_PCM_FMTBIT_S20_LE |\
 184                                 SNDRV_PCM_FMTBIT_S24_LE |\
 185                                 SNDRV_PCM_FMTBIT_S20_3LE|\
 186                                 SNDRV_PCM_FMTBIT_S24_3LE)
 187
 188#define SUN8I_CODEC_PCM_RATES   (SNDRV_PCM_RATE_8000_48000|\
 189                                 SNDRV_PCM_RATE_88200     |\
 190                                 SNDRV_PCM_RATE_96000     |\
 191                                 SNDRV_PCM_RATE_176400    |\
 192                                 SNDRV_PCM_RATE_192000    |\
 193                                 SNDRV_PCM_RATE_KNOT)
 194
 195enum {
 196        SUN8I_CODEC_AIF1,
 197        SUN8I_CODEC_AIF2,
 198        SUN8I_CODEC_AIF3,
 199        SUN8I_CODEC_NAIFS
 200};
 201
 202struct sun8i_codec_aif {
 203        unsigned int    lrck_div_order;
 204        unsigned int    sample_rate;
 205        unsigned int    slots;
 206        unsigned int    slot_width;
 207        unsigned int    active_streams  : 2;
 208        unsigned int    open_streams    : 2;
 209};
 210
 211struct sun8i_codec_quirks {
 212        bool    bus_clock       : 1;
 213        bool    jack_detection  : 1;
 214        bool    legacy_widgets  : 1;
 215        bool    lrck_inversion  : 1;
 216};
 217
 218enum {
 219        SUN8I_JACK_STATUS_DISCONNECTED,
 220        SUN8I_JACK_STATUS_WAITING_HBIAS,
 221        SUN8I_JACK_STATUS_CONNECTED,
 222};
 223
 224struct sun8i_codec {
 225        struct snd_soc_component        *component;
 226        struct regmap                   *regmap;
 227        struct clk                      *clk_bus;
 228        struct clk                      *clk_module;
 229        const struct sun8i_codec_quirks *quirks;
 230        struct sun8i_codec_aif          aifs[SUN8I_CODEC_NAIFS];
 231        struct snd_soc_jack             *jack;
 232        struct delayed_work             jack_work;
 233        int                             jack_irq;
 234        int                             jack_status;
 235        int                             jack_type;
 236        int                             jack_last_sample;
 237        ktime_t                         jack_hbias_ready;
 238        struct mutex                    jack_mutex;
 239        int                             last_hmic_irq;
 240        unsigned int                    sysclk_rate;
 241        int                             sysclk_refcnt;
 242};
 243
 244static struct snd_soc_dai_driver sun8i_codec_dais[];
 245
 246static int sun8i_codec_runtime_resume(struct device *dev)
 247{
 248        struct sun8i_codec *scodec = dev_get_drvdata(dev);
 249        int ret;
 250
 251        ret = clk_prepare_enable(scodec->clk_bus);
 252        if (ret) {
 253                dev_err(dev, "Failed to enable the bus clock\n");
 254                return ret;
 255        }
 256
 257        regcache_cache_only(scodec->regmap, false);
 258
 259        ret = regcache_sync(scodec->regmap);
 260        if (ret) {
 261                dev_err(dev, "Failed to sync regmap cache\n");
 262                return ret;
 263        }
 264
 265        return 0;
 266}
 267
 268static int sun8i_codec_runtime_suspend(struct device *dev)
 269{
 270        struct sun8i_codec *scodec = dev_get_drvdata(dev);
 271
 272        regcache_cache_only(scodec->regmap, true);
 273        regcache_mark_dirty(scodec->regmap);
 274
 275        clk_disable_unprepare(scodec->clk_bus);
 276
 277        return 0;
 278}
 279
 280static int sun8i_codec_get_hw_rate(unsigned int sample_rate)
 281{
 282        switch (sample_rate) {
 283        case 7350:
 284        case 8000:
 285                return 0x0;
 286        case 11025:
 287                return 0x1;
 288        case 12000:
 289                return 0x2;
 290        case 14700:
 291        case 16000:
 292                return 0x3;
 293        case 22050:
 294                return 0x4;
 295        case 24000:
 296                return 0x5;
 297        case 29400:
 298        case 32000:
 299                return 0x6;
 300        case 44100:
 301                return 0x7;
 302        case 48000:
 303                return 0x8;
 304        case 88200:
 305        case 96000:
 306                return 0x9;
 307        case 176400:
 308        case 192000:
 309                return 0xa;
 310        default:
 311                return -EINVAL;
 312        }
 313}
 314
 315static int sun8i_codec_update_sample_rate(struct sun8i_codec *scodec)
 316{
 317        unsigned int max_rate = 0;
 318        int hw_rate, i;
 319
 320        for (i = SUN8I_CODEC_AIF1; i < SUN8I_CODEC_NAIFS; ++i) {
 321                struct sun8i_codec_aif *aif = &scodec->aifs[i];
 322
 323                if (aif->active_streams)
 324                        max_rate = max(max_rate, aif->sample_rate);
 325        }
 326
 327        /* Set the sample rate for ADC->DAC passthrough when no AIF is active. */
 328        if (!max_rate)
 329                max_rate = SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE;
 330
 331        hw_rate = sun8i_codec_get_hw_rate(max_rate);
 332        if (hw_rate < 0)
 333                return hw_rate;
 334
 335        regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
 336                           SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
 337                           hw_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
 338
 339        return 0;
 340}
 341
 342static int sun8i_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 343{
 344        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 345        u32 dsp_format, format, invert, value;
 346
 347        /* clock masters */
 348        switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
 349        case SND_SOC_DAIFMT_CBC_CFC: /* Codec slave, DAI master */
 350                value = 0x1;
 351                break;
 352        case SND_SOC_DAIFMT_CBP_CFP: /* Codec Master, DAI slave */
 353                value = 0x0;
 354                break;
 355        default:
 356                return -EINVAL;
 357        }
 358
 359        if (dai->id == SUN8I_CODEC_AIF3) {
 360                /* AIF3 only supports master mode. */
 361                if (value)
 362                        return -EINVAL;
 363
 364                /* Use the AIF2 BCLK and LRCK for AIF3. */
 365                regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 366                                   SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK,
 367                                   SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2);
 368        } else {
 369                regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 370                                   BIT(SUN8I_AIF_CLK_CTRL_MSTR_MOD),
 371                                   value << SUN8I_AIF_CLK_CTRL_MSTR_MOD);
 372        }
 373
 374        /* DAI format */
 375        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 376        case SND_SOC_DAIFMT_I2S:
 377                format = 0x0;
 378                break;
 379        case SND_SOC_DAIFMT_LEFT_J:
 380                format = 0x1;
 381                break;
 382        case SND_SOC_DAIFMT_RIGHT_J:
 383                format = 0x2;
 384                break;
 385        case SND_SOC_DAIFMT_DSP_A:
 386                format = 0x3;
 387                dsp_format = 0x0; /* Set LRCK_INV to 0 */
 388                break;
 389        case SND_SOC_DAIFMT_DSP_B:
 390                format = 0x3;
 391                dsp_format = 0x1; /* Set LRCK_INV to 1 */
 392                break;
 393        default:
 394                return -EINVAL;
 395        }
 396
 397        if (dai->id == SUN8I_CODEC_AIF3) {
 398                /* AIF3 only supports DSP mode. */
 399                if (format != 3)
 400                        return -EINVAL;
 401        } else {
 402                regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 403                                   SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK,
 404                                   format << SUN8I_AIF_CLK_CTRL_DATA_FMT);
 405        }
 406
 407        /* clock inversion */
 408        switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 409        case SND_SOC_DAIFMT_NB_NF: /* Normal */
 410                invert = 0x0;
 411                break;
 412        case SND_SOC_DAIFMT_NB_IF: /* Inverted LRCK */
 413                invert = 0x1;
 414                break;
 415        case SND_SOC_DAIFMT_IB_NF: /* Inverted BCLK */
 416                invert = 0x2;
 417                break;
 418        case SND_SOC_DAIFMT_IB_IF: /* Both inverted */
 419                invert = 0x3;
 420                break;
 421        default:
 422                return -EINVAL;
 423        }
 424
 425        if (format == 0x3) {
 426                /* Inverted LRCK is not available in DSP mode. */
 427                if (invert & BIT(0))
 428                        return -EINVAL;
 429
 430                /* Instead, the bit selects between DSP A/B formats. */
 431                invert |= dsp_format;
 432        } else {
 433                /*
 434                 * It appears that the DAI and the codec in the A33 SoC don't
 435                 * share the same polarity for the LRCK signal when they mean
 436                 * 'normal' and 'inverted' in the datasheet.
 437                 *
 438                 * Since the DAI here is our regular i2s driver that have been
 439                 * tested with way more codecs than just this one, it means
 440                 * that the codec probably gets it backward, and we have to
 441                 * invert the value here.
 442                 */
 443                invert ^= scodec->quirks->lrck_inversion;
 444        }
 445
 446        regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 447                           SUN8I_AIF_CLK_CTRL_CLK_INV_MASK,
 448                           invert << SUN8I_AIF_CLK_CTRL_CLK_INV);
 449
 450        return 0;
 451}
 452
 453static int sun8i_codec_set_tdm_slot(struct snd_soc_dai *dai,
 454                                    unsigned int tx_mask, unsigned int rx_mask,
 455                                    int slots, int slot_width)
 456{
 457        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 458        struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
 459
 460        if (slot_width && !is_power_of_2(slot_width))
 461                return -EINVAL;
 462
 463        aif->slots = slots;
 464        aif->slot_width = slot_width;
 465
 466        return 0;
 467}
 468
 469static const unsigned int sun8i_codec_rates[] = {
 470          7350,   8000,  11025,  12000,  14700,  16000,  22050,  24000,
 471         29400,  32000,  44100,  48000,  88200,  96000, 176400, 192000,
 472};
 473
 474static const struct snd_pcm_hw_constraint_list sun8i_codec_all_rates = {
 475        .list   = sun8i_codec_rates,
 476        .count  = ARRAY_SIZE(sun8i_codec_rates),
 477};
 478
 479static const struct snd_pcm_hw_constraint_list sun8i_codec_22M_rates = {
 480        .list   = sun8i_codec_rates,
 481        .count  = ARRAY_SIZE(sun8i_codec_rates),
 482        .mask   = 0x5555,
 483};
 484
 485static const struct snd_pcm_hw_constraint_list sun8i_codec_24M_rates = {
 486        .list   = sun8i_codec_rates,
 487        .count  = ARRAY_SIZE(sun8i_codec_rates),
 488        .mask   = 0xaaaa,
 489};
 490
 491static int sun8i_codec_startup(struct snd_pcm_substream *substream,
 492                               struct snd_soc_dai *dai)
 493{
 494        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 495        const struct snd_pcm_hw_constraint_list *list;
 496
 497        /* hw_constraints is not relevant for codec2codec DAIs. */
 498        if (dai->id != SUN8I_CODEC_AIF1)
 499                return 0;
 500
 501        if (!scodec->sysclk_refcnt)
 502                list = &sun8i_codec_all_rates;
 503        else if (scodec->sysclk_rate == 22579200)
 504                list = &sun8i_codec_22M_rates;
 505        else if (scodec->sysclk_rate == 24576000)
 506                list = &sun8i_codec_24M_rates;
 507        else
 508                return -EINVAL;
 509
 510        return snd_pcm_hw_constraint_list(substream->runtime, 0,
 511                                          SNDRV_PCM_HW_PARAM_RATE, list);
 512}
 513
 514struct sun8i_codec_clk_div {
 515        u8      div;
 516        u8      val;
 517};
 518
 519static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
 520        { .div = 1,     .val = 0 },
 521        { .div = 2,     .val = 1 },
 522        { .div = 4,     .val = 2 },
 523        { .div = 6,     .val = 3 },
 524        { .div = 8,     .val = 4 },
 525        { .div = 12,    .val = 5 },
 526        { .div = 16,    .val = 6 },
 527        { .div = 24,    .val = 7 },
 528        { .div = 32,    .val = 8 },
 529        { .div = 48,    .val = 9 },
 530        { .div = 64,    .val = 10 },
 531        { .div = 96,    .val = 11 },
 532        { .div = 128,   .val = 12 },
 533        { .div = 192,   .val = 13 },
 534};
 535
 536static int sun8i_codec_get_bclk_div(unsigned int sysclk_rate,
 537                                    unsigned int lrck_div_order,
 538                                    unsigned int sample_rate)
 539{
 540        unsigned int div = sysclk_rate / sample_rate >> lrck_div_order;
 541        int i;
 542
 543        for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
 544                const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
 545
 546                if (bdiv->div == div)
 547                        return bdiv->val;
 548        }
 549
 550        return -EINVAL;
 551}
 552
 553static int sun8i_codec_get_lrck_div_order(unsigned int slots,
 554                                          unsigned int slot_width)
 555{
 556        unsigned int div = slots * slot_width;
 557
 558        if (div < 16 || div > 256)
 559                return -EINVAL;
 560
 561        return order_base_2(div);
 562}
 563
 564static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate)
 565{
 566        return (sample_rate % 4000) ? 22579200 : 24576000;
 567}
 568
 569static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
 570                                 struct snd_pcm_hw_params *params,
 571                                 struct snd_soc_dai *dai)
 572{
 573        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 574        struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
 575        unsigned int sample_rate = params_rate(params);
 576        unsigned int slots = aif->slots ?: params_channels(params);
 577        unsigned int slot_width = aif->slot_width ?: params_width(params);
 578        unsigned int sysclk_rate = sun8i_codec_get_sysclk_rate(sample_rate);
 579        int bclk_div, lrck_div_order, ret, word_size;
 580        u32 clk_reg;
 581
 582        /* word size */
 583        switch (params_width(params)) {
 584        case 8:
 585                word_size = 0x0;
 586                break;
 587        case 16:
 588                word_size = 0x1;
 589                break;
 590        case 20:
 591                word_size = 0x2;
 592                break;
 593        case 24:
 594                word_size = 0x3;
 595                break;
 596        default:
 597                return -EINVAL;
 598        }
 599
 600        regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
 601                           SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK,
 602                           word_size << SUN8I_AIF_CLK_CTRL_WORD_SIZ);
 603
 604        /* LRCK divider (BCLK/LRCK ratio) */
 605        lrck_div_order = sun8i_codec_get_lrck_div_order(slots, slot_width);
 606        if (lrck_div_order < 0)
 607                return lrck_div_order;
 608
 609        if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) {
 610                /* AIF2 and AIF3 share AIF2's BCLK and LRCK generation circuitry. */
 611                int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id;
 612                const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner];
 613                const char *partner_name = sun8i_codec_dais[partner].name;
 614
 615                if (partner_aif->open_streams &&
 616                    (lrck_div_order != partner_aif->lrck_div_order ||
 617                     sample_rate != partner_aif->sample_rate)) {
 618                        dev_err(dai->dev,
 619                                "%s sample and bit rates must match %s when both are used\n",
 620                                dai->name, partner_name);
 621                        return -EBUSY;
 622                }
 623
 624                clk_reg = SUN8I_AIF_CLK_CTRL(SUN8I_CODEC_AIF2);
 625        } else {
 626                clk_reg = SUN8I_AIF_CLK_CTRL(dai->id);
 627        }
 628
 629        regmap_update_bits(scodec->regmap, clk_reg,
 630                           SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK,
 631                           (lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV);
 632
 633        /* BCLK divider (SYSCLK/BCLK ratio) */
 634        bclk_div = sun8i_codec_get_bclk_div(sysclk_rate, lrck_div_order, sample_rate);
 635        if (bclk_div < 0)
 636                return bclk_div;
 637
 638        regmap_update_bits(scodec->regmap, clk_reg,
 639                           SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK,
 640                           bclk_div << SUN8I_AIF_CLK_CTRL_BCLK_DIV);
 641
 642        /*
 643         * SYSCLK rate
 644         *
 645         * Clock rate protection is reference counted; but hw_params may be
 646         * called many times per substream, without matching calls to hw_free.
 647         * Protect the clock rate once per AIF, on the first hw_params call
 648         * for the first substream. clk_set_rate() will allow clock rate
 649         * changes on subsequent calls if only one AIF has open streams.
 650         */
 651        ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module,
 652                                                                          sysclk_rate);
 653        if (ret == -EBUSY)
 654                dev_err(dai->dev,
 655                        "%s sample rate (%u Hz) conflicts with other audio streams\n",
 656                        dai->name, sample_rate);
 657        if (ret < 0)
 658                return ret;
 659
 660        if (!aif->open_streams)
 661                scodec->sysclk_refcnt++;
 662        scodec->sysclk_rate = sysclk_rate;
 663
 664        aif->lrck_div_order = lrck_div_order;
 665        aif->sample_rate = sample_rate;
 666        aif->open_streams |= BIT(substream->stream);
 667
 668        return sun8i_codec_update_sample_rate(scodec);
 669}
 670
 671static int sun8i_codec_hw_free(struct snd_pcm_substream *substream,
 672                               struct snd_soc_dai *dai)
 673{
 674        struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
 675        struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
 676
 677        /* Drop references when the last substream for the AIF is freed. */
 678        if (aif->open_streams != BIT(substream->stream))
 679                goto done;
 680
 681        clk_rate_exclusive_put(scodec->clk_module);
 682        scodec->sysclk_refcnt--;
 683        aif->lrck_div_order = 0;
 684        aif->sample_rate = 0;
 685
 686done:
 687        aif->open_streams &= ~BIT(substream->stream);
 688        return 0;
 689}
 690
 691static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
 692        .set_fmt        = sun8i_codec_set_fmt,
 693        .set_tdm_slot   = sun8i_codec_set_tdm_slot,
 694        .startup        = sun8i_codec_startup,
 695        .hw_params      = sun8i_codec_hw_params,
 696        .hw_free        = sun8i_codec_hw_free,
 697};
 698
 699static struct snd_soc_dai_driver sun8i_codec_dais[] = {
 700        {
 701                .name   = "sun8i-codec-aif1",
 702                .id     = SUN8I_CODEC_AIF1,
 703                .ops    = &sun8i_codec_dai_ops,
 704                /* capture capabilities */
 705                .capture = {
 706                        .stream_name    = "AIF1 Capture",
 707                        .channels_min   = 1,
 708                        .channels_max   = 2,
 709                        .rates          = SUN8I_CODEC_PCM_RATES,
 710                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 711                        .sig_bits       = 24,
 712                },
 713                /* playback capabilities */
 714                .playback = {
 715                        .stream_name    = "AIF1 Playback",
 716                        .channels_min   = 1,
 717                        .channels_max   = 2,
 718                        .rates          = SUN8I_CODEC_PCM_RATES,
 719                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 720                },
 721                .symmetric_rate         = true,
 722                .symmetric_channels     = true,
 723                .symmetric_sample_bits  = true,
 724        },
 725        {
 726                .name   = "sun8i-codec-aif2",
 727                .id     = SUN8I_CODEC_AIF2,
 728                .ops    = &sun8i_codec_dai_ops,
 729                /* capture capabilities */
 730                .capture = {
 731                        .stream_name    = "AIF2 Capture",
 732                        .channels_min   = 1,
 733                        .channels_max   = 2,
 734                        .rates          = SUN8I_CODEC_PCM_RATES,
 735                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 736                        .sig_bits       = 24,
 737                },
 738                /* playback capabilities */
 739                .playback = {
 740                        .stream_name    = "AIF2 Playback",
 741                        .channels_min   = 1,
 742                        .channels_max   = 2,
 743                        .rates          = SUN8I_CODEC_PCM_RATES,
 744                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 745                },
 746                .symmetric_rate         = true,
 747                .symmetric_channels     = true,
 748                .symmetric_sample_bits  = true,
 749        },
 750        {
 751                .name   = "sun8i-codec-aif3",
 752                .id     = SUN8I_CODEC_AIF3,
 753                .ops    = &sun8i_codec_dai_ops,
 754                /* capture capabilities */
 755                .capture = {
 756                        .stream_name    = "AIF3 Capture",
 757                        .channels_min   = 1,
 758                        .channels_max   = 1,
 759                        .rates          = SUN8I_CODEC_PCM_RATES,
 760                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 761                        .sig_bits       = 24,
 762                },
 763                /* playback capabilities */
 764                .playback = {
 765                        .stream_name    = "AIF3 Playback",
 766                        .channels_min   = 1,
 767                        .channels_max   = 1,
 768                        .rates          = SUN8I_CODEC_PCM_RATES,
 769                        .formats        = SUN8I_CODEC_PCM_FORMATS,
 770                },
 771                .symmetric_rate         = true,
 772                .symmetric_channels     = true,
 773                .symmetric_sample_bits  = true,
 774        },
 775};
 776
 777static const DECLARE_TLV_DB_SCALE(sun8i_codec_vol_scale, -12000, 75, 1);
 778
 779static const struct snd_kcontrol_new sun8i_codec_controls[] = {
 780        SOC_DOUBLE_TLV("AIF1 AD0 Capture Volume",
 781                       SUN8I_AIF1_VOL_CTRL1,
 782                       SUN8I_AIF1_VOL_CTRL1_AD0L_VOL,
 783                       SUN8I_AIF1_VOL_CTRL1_AD0R_VOL,
 784                       0xc0, 0, sun8i_codec_vol_scale),
 785        SOC_DOUBLE_TLV("AIF1 DA0 Playback Volume",
 786                       SUN8I_AIF1_VOL_CTRL3,
 787                       SUN8I_AIF1_VOL_CTRL3_DA0L_VOL,
 788                       SUN8I_AIF1_VOL_CTRL3_DA0R_VOL,
 789                       0xc0, 0, sun8i_codec_vol_scale),
 790        SOC_DOUBLE_TLV("AIF2 ADC Capture Volume",
 791                       SUN8I_AIF2_VOL_CTRL1,
 792                       SUN8I_AIF2_VOL_CTRL1_ADCL_VOL,
 793                       SUN8I_AIF2_VOL_CTRL1_ADCR_VOL,
 794                       0xc0, 0, sun8i_codec_vol_scale),
 795        SOC_DOUBLE_TLV("AIF2 DAC Playback Volume",
 796                       SUN8I_AIF2_VOL_CTRL2,
 797                       SUN8I_AIF2_VOL_CTRL2_DACL_VOL,
 798                       SUN8I_AIF2_VOL_CTRL2_DACR_VOL,
 799                       0xc0, 0, sun8i_codec_vol_scale),
 800        SOC_DOUBLE_TLV("ADC Capture Volume",
 801                       SUN8I_ADC_VOL_CTRL,
 802                       SUN8I_ADC_VOL_CTRL_ADCL_VOL,
 803                       SUN8I_ADC_VOL_CTRL_ADCR_VOL,
 804                       0xc0, 0, sun8i_codec_vol_scale),
 805        SOC_DOUBLE_TLV("DAC Playback Volume",
 806                       SUN8I_DAC_VOL_CTRL,
 807                       SUN8I_DAC_VOL_CTRL_DACL_VOL,
 808                       SUN8I_DAC_VOL_CTRL_DACR_VOL,
 809                       0xc0, 0, sun8i_codec_vol_scale),
 810};
 811
 812static int sun8i_codec_aif_event(struct snd_soc_dapm_widget *w,
 813                                 struct snd_kcontrol *kcontrol, int event)
 814{
 815        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 816        struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
 817        struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1'];
 818        int stream = w->id == snd_soc_dapm_aif_out;
 819
 820        if (SND_SOC_DAPM_EVENT_ON(event))
 821                aif->active_streams |= BIT(stream);
 822        else
 823                aif->active_streams &= ~BIT(stream);
 824
 825        return sun8i_codec_update_sample_rate(scodec);
 826}
 827
 828static const char *const sun8i_aif_stereo_mux_enum_values[] = {
 829        "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono"
 830};
 831
 832static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum,
 833                            SUN8I_AIF1_ADCDAT_CTRL,
 834                            SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC,
 835                            SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC,
 836                            sun8i_aif_stereo_mux_enum_values);
 837
 838static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control =
 839        SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route",
 840                      sun8i_aif1_ad0_stereo_mux_enum);
 841
 842static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_adc_stereo_mux_enum,
 843                            SUN8I_AIF2_ADCDAT_CTRL,
 844                            SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC,
 845                            SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC,
 846                            sun8i_aif_stereo_mux_enum_values);
 847
 848static const struct snd_kcontrol_new sun8i_aif2_adc_stereo_mux_control =
 849        SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route",
 850                      sun8i_aif2_adc_stereo_mux_enum);
 851
 852static const char *const sun8i_aif3_adc_mux_enum_values[] = {
 853        "None", "AIF2 ADCL", "AIF2 ADCR"
 854};
 855
 856static SOC_ENUM_SINGLE_DECL(sun8i_aif3_adc_mux_enum,
 857                            SUN8I_AIF3_PATH_CTRL,
 858                            SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC,
 859                            sun8i_aif3_adc_mux_enum_values);
 860
 861static const struct snd_kcontrol_new sun8i_aif3_adc_mux_control =
 862        SOC_DAPM_ENUM("AIF3 ADC Source Capture Route",
 863                      sun8i_aif3_adc_mux_enum);
 864
 865static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
 866        SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
 867                        SUN8I_AIF1_MXR_SRC,
 868                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L,
 869                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
 870        SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch",
 871                        SUN8I_AIF1_MXR_SRC,
 872                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL,
 873                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
 874        SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
 875                        SUN8I_AIF1_MXR_SRC,
 876                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL,
 877                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
 878        SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
 879                        SUN8I_AIF1_MXR_SRC,
 880                        SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR,
 881                        SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
 882};
 883
 884static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = {
 885        SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch",
 886                        SUN8I_AIF2_MXR_SRC,
 887                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L,
 888                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0),
 889        SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch",
 890                        SUN8I_AIF2_MXR_SRC,
 891                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L,
 892                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0),
 893        SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch",
 894                        SUN8I_AIF2_MXR_SRC,
 895                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR,
 896                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0),
 897        SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch",
 898                        SUN8I_AIF2_MXR_SRC,
 899                        SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL,
 900                        SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0),
 901};
 902
 903static const char *const sun8i_aif2_dac_mux_enum_values[] = {
 904        "AIF2", "AIF3+2", "AIF2+3"
 905};
 906
 907static SOC_ENUM_SINGLE_DECL(sun8i_aif2_dac_mux_enum,
 908                            SUN8I_AIF3_PATH_CTRL,
 909                            SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC,
 910                            sun8i_aif2_dac_mux_enum_values);
 911
 912static const struct snd_kcontrol_new sun8i_aif2_dac_mux_control =
 913        SOC_DAPM_ENUM("AIF2 DAC Source Playback Route",
 914                      sun8i_aif2_dac_mux_enum);
 915
 916static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum,
 917                            SUN8I_AIF1_DACDAT_CTRL,
 918                            SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC,
 919                            SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC,
 920                            sun8i_aif_stereo_mux_enum_values);
 921
 922static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control =
 923        SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route",
 924                      sun8i_aif1_da0_stereo_mux_enum);
 925
 926static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_dac_stereo_mux_enum,
 927                            SUN8I_AIF2_DACDAT_CTRL,
 928                            SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC,
 929                            SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC,
 930                            sun8i_aif_stereo_mux_enum_values);
 931
 932static const struct snd_kcontrol_new sun8i_aif2_dac_stereo_mux_control =
 933        SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route",
 934                      sun8i_aif2_dac_stereo_mux_enum);
 935
 936static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
 937        SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
 938                        SUN8I_DAC_MXR_SRC,
 939                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
 940                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
 941        SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
 942                        SUN8I_DAC_MXR_SRC,
 943                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
 944                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
 945        SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
 946                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
 947                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
 948        SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
 949                        SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
 950                        SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
 951};
 952
 953static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
 954        /* System Clocks */
 955        SND_SOC_DAPM_CLOCK_SUPPLY("mod"),
 956
 957        SND_SOC_DAPM_SUPPLY("AIF1CLK",
 958                            SUN8I_SYSCLK_CTL,
 959                            SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
 960        SND_SOC_DAPM_SUPPLY("AIF2CLK",
 961                            SUN8I_SYSCLK_CTL,
 962                            SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0),
 963        SND_SOC_DAPM_SUPPLY("SYSCLK",
 964                            SUN8I_SYSCLK_CTL,
 965                            SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
 966
 967        /* Module Clocks */
 968        SND_SOC_DAPM_SUPPLY("CLK AIF1",
 969                            SUN8I_MOD_CLK_ENA,
 970                            SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
 971        SND_SOC_DAPM_SUPPLY("CLK AIF2",
 972                            SUN8I_MOD_CLK_ENA,
 973                            SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0),
 974        SND_SOC_DAPM_SUPPLY("CLK AIF3",
 975                            SUN8I_MOD_CLK_ENA,
 976                            SUN8I_MOD_CLK_ENA_AIF3, 0, NULL, 0),
 977        SND_SOC_DAPM_SUPPLY("CLK ADC",
 978                            SUN8I_MOD_CLK_ENA,
 979                            SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
 980        SND_SOC_DAPM_SUPPLY("CLK DAC",
 981                            SUN8I_MOD_CLK_ENA,
 982                            SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
 983
 984        /* Module Resets */
 985        SND_SOC_DAPM_SUPPLY("RST AIF1",
 986                            SUN8I_MOD_RST_CTL,
 987                            SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
 988        SND_SOC_DAPM_SUPPLY("RST AIF2",
 989                            SUN8I_MOD_RST_CTL,
 990                            SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0),
 991        SND_SOC_DAPM_SUPPLY("RST AIF3",
 992                            SUN8I_MOD_RST_CTL,
 993                            SUN8I_MOD_RST_CTL_AIF3, 0, NULL, 0),
 994        SND_SOC_DAPM_SUPPLY("RST ADC",
 995                            SUN8I_MOD_RST_CTL,
 996                            SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
 997        SND_SOC_DAPM_SUPPLY("RST DAC",
 998                            SUN8I_MOD_RST_CTL,
 999                            SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
1000
1001        /* Module Supplies */
1002        SND_SOC_DAPM_SUPPLY("ADC",
1003                            SUN8I_ADC_DIG_CTRL,
1004                            SUN8I_ADC_DIG_CTRL_ENAD, 0, NULL, 0),
1005        SND_SOC_DAPM_SUPPLY("DAC",
1006                            SUN8I_DAC_DIG_CTRL,
1007                            SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0),
1008
1009        /* AIF "ADC" Outputs */
1010        SND_SOC_DAPM_AIF_OUT_E("AIF1 AD0L", "AIF1 Capture", 0,
1011                               SUN8I_AIF1_ADCDAT_CTRL,
1012                               SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA, 0,
1013                               sun8i_codec_aif_event,
1014                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1015        SND_SOC_DAPM_AIF_OUT("AIF1 AD0R", "AIF1 Capture", 1,
1016                             SUN8I_AIF1_ADCDAT_CTRL,
1017                             SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0),
1018
1019        SND_SOC_DAPM_AIF_OUT_E("AIF2 ADCL", "AIF2 Capture", 0,
1020                               SUN8I_AIF2_ADCDAT_CTRL,
1021                               SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0,
1022                               sun8i_codec_aif_event,
1023                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1024        SND_SOC_DAPM_AIF_OUT("AIF2 ADCR", "AIF2 Capture", 1,
1025                             SUN8I_AIF2_ADCDAT_CTRL,
1026                             SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0),
1027
1028        SND_SOC_DAPM_AIF_OUT_E("AIF3 ADC", "AIF3 Capture", 0,
1029                               SND_SOC_NOPM, 0, 0,
1030                               sun8i_codec_aif_event,
1031                               SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1032
1033        /* AIF "ADC" Mono/Stereo Muxes */
1034        SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0,
1035                         &sun8i_aif1_ad0_stereo_mux_control),
1036        SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0,
1037                         &sun8i_aif1_ad0_stereo_mux_control),
1038
1039        SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mux", SND_SOC_NOPM, 0, 0,
1040                         &sun8i_aif2_adc_stereo_mux_control),
1041        SND_SOC_DAPM_MUX("AIF2 ADCR Stereo Mux", SND_SOC_NOPM, 0, 0,
1042                         &sun8i_aif2_adc_stereo_mux_control),
1043
1044        /* AIF "ADC" Output Muxes */
1045        SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0,
1046                         &sun8i_aif3_adc_mux_control),
1047
1048        /* AIF "ADC" Mixers */
1049        SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0,
1050                        sun8i_aif1_ad0_mixer_controls),
1051        SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0,
1052                        sun8i_aif1_ad0_mixer_controls),
1053
1054        SOC_MIXER_ARRAY("AIF2 ADCL Mixer", SND_SOC_NOPM, 0, 0,
1055                        sun8i_aif2_adc_mixer_controls),
1056        SOC_MIXER_ARRAY("AIF2 ADCR Mixer", SND_SOC_NOPM, 0, 0,
1057                        sun8i_aif2_adc_mixer_controls),
1058
1059        /* AIF "DAC" Input Muxes */
1060        SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0,
1061                         &sun8i_aif2_dac_mux_control),
1062        SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0,
1063                         &sun8i_aif2_dac_mux_control),
1064
1065        /* AIF "DAC" Mono/Stereo Muxes */
1066        SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0,
1067                         &sun8i_aif1_da0_stereo_mux_control),
1068        SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0,
1069                         &sun8i_aif1_da0_stereo_mux_control),
1070
1071        SND_SOC_DAPM_MUX("AIF2 DACL Stereo Mux", SND_SOC_NOPM, 0, 0,
1072                         &sun8i_aif2_dac_stereo_mux_control),
1073        SND_SOC_DAPM_MUX("AIF2 DACR Stereo Mux", SND_SOC_NOPM, 0, 0,
1074                         &sun8i_aif2_dac_stereo_mux_control),
1075
1076        /* AIF "DAC" Inputs */
1077        SND_SOC_DAPM_AIF_IN_E("AIF1 DA0L", "AIF1 Playback", 0,
1078                              SUN8I_AIF1_DACDAT_CTRL,
1079                              SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0,
1080                              sun8i_codec_aif_event,
1081                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1082        SND_SOC_DAPM_AIF_IN("AIF1 DA0R", "AIF1 Playback", 1,
1083                            SUN8I_AIF1_DACDAT_CTRL,
1084                            SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
1085
1086        SND_SOC_DAPM_AIF_IN_E("AIF2 DACL", "AIF2 Playback", 0,
1087                              SUN8I_AIF2_DACDAT_CTRL,
1088                              SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0,
1089                              sun8i_codec_aif_event,
1090                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1091        SND_SOC_DAPM_AIF_IN("AIF2 DACR", "AIF2 Playback", 1,
1092                            SUN8I_AIF2_DACDAT_CTRL,
1093                            SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0),
1094
1095        SND_SOC_DAPM_AIF_IN_E("AIF3 DAC", "AIF3 Playback", 0,
1096                              SND_SOC_NOPM, 0, 0,
1097                              sun8i_codec_aif_event,
1098                              SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1099
1100        /* ADC Inputs (connected to analog codec DAPM context) */
1101        SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 0, 0),
1102        SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1103
1104        /* DAC Outputs (connected to analog codec DAPM context) */
1105        SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
1106        SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
1107
1108        /* DAC Mixers */
1109        SOC_MIXER_ARRAY("DACL Mixer", SND_SOC_NOPM, 0, 0,
1110                        sun8i_dac_mixer_controls),
1111        SOC_MIXER_ARRAY("DACR Mixer", SND_SOC_NOPM, 0, 0,
1112                        sun8i_dac_mixer_controls),
1113};
1114
1115static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
1116        /* Clock Routes */
1117        { "AIF1CLK", NULL, "mod" },
1118
1119        { "SYSCLK", NULL, "AIF1CLK" },
1120
1121        { "CLK AIF1", NULL, "AIF1CLK" },
1122        { "CLK AIF1", NULL, "SYSCLK" },
1123        { "RST AIF1", NULL, "CLK AIF1" },
1124        { "AIF1 AD0L", NULL, "RST AIF1" },
1125        { "AIF1 AD0R", NULL, "RST AIF1" },
1126        { "AIF1 DA0L", NULL, "RST AIF1" },
1127        { "AIF1 DA0R", NULL, "RST AIF1" },
1128
1129        { "CLK AIF2", NULL, "AIF2CLK" },
1130        { "CLK AIF2", NULL, "SYSCLK" },
1131        { "RST AIF2", NULL, "CLK AIF2" },
1132        { "AIF2 ADCL", NULL, "RST AIF2" },
1133        { "AIF2 ADCR", NULL, "RST AIF2" },
1134        { "AIF2 DACL", NULL, "RST AIF2" },
1135        { "AIF2 DACR", NULL, "RST AIF2" },
1136
1137        { "CLK AIF3", NULL, "AIF1CLK" },
1138        { "CLK AIF3", NULL, "SYSCLK" },
1139        { "RST AIF3", NULL, "CLK AIF3" },
1140        { "AIF3 ADC", NULL, "RST AIF3" },
1141        { "AIF3 DAC", NULL, "RST AIF3" },
1142
1143        { "CLK ADC", NULL, "SYSCLK" },
1144        { "RST ADC", NULL, "CLK ADC" },
1145        { "ADC", NULL, "RST ADC" },
1146        { "ADCL", NULL, "ADC" },
1147        { "ADCR", NULL, "ADC" },
1148
1149        { "CLK DAC", NULL, "SYSCLK" },
1150        { "RST DAC", NULL, "CLK DAC" },
1151        { "DAC", NULL, "RST DAC" },
1152        { "DACL", NULL, "DAC" },
1153        { "DACR", NULL, "DAC" },
1154
1155        /* AIF "ADC" Output Routes */
1156        { "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" },
1157        { "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" },
1158
1159        { "AIF2 ADCL", NULL, "AIF2 ADCL Stereo Mux" },
1160        { "AIF2 ADCR", NULL, "AIF2 ADCR Stereo Mux" },
1161
1162        { "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" },
1163
1164        /* AIF "ADC" Mono/Stereo Mux Routes */
1165        { "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" },
1166        { "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" },
1167        { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1168        { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1169        { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1170        { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1171
1172        { "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" },
1173        { "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" },
1174        { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
1175        { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
1176        { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
1177        { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
1178
1179        { "AIF2 ADCL Stereo Mux", "Stereo", "AIF2 ADCL Mixer" },
1180        { "AIF2 ADCL Stereo Mux", "Reverse Stereo", "AIF2 ADCR Mixer" },
1181        { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1182        { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1183        { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1184        { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1185
1186        { "AIF2 ADCR Stereo Mux", "Stereo", "AIF2 ADCR Mixer" },
1187        { "AIF2 ADCR Stereo Mux", "Reverse Stereo", "AIF2 ADCL Mixer" },
1188        { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
1189        { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
1190        { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
1191        { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
1192
1193        /* AIF "ADC" Output Mux Routes */
1194        { "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" },
1195        { "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" },
1196
1197        /* AIF "ADC" Mixer Routes */
1198        { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" },
1199        { "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" },
1200        { "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" },
1201        { "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" },
1202
1203        { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" },
1204        { "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" },
1205        { "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" },
1206        { "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" },
1207
1208        { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0L Stereo Mux" },
1209        { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" },
1210        { "AIF2 ADCL Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCL" },
1211
1212        { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0R Stereo Mux" },
1213        { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" },
1214        { "AIF2 ADCR Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCR" },
1215
1216        /* AIF "DAC" Input Mux Routes */
1217        { "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" },
1218        { "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" },
1219        { "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" },
1220
1221        { "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" },
1222        { "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" },
1223        { "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" },
1224
1225        /* AIF "DAC" Mono/Stereo Mux Routes */
1226        { "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" },
1227        { "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" },
1228        { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1229        { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1230        { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1231        { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1232
1233        { "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" },
1234        { "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" },
1235        { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" },
1236        { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" },
1237        { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" },
1238        { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" },
1239
1240        { "AIF2 DACL Stereo Mux", "Stereo", "AIF2 DACL" },
1241        { "AIF2 DACL Stereo Mux", "Reverse Stereo", "AIF2 DACR" },
1242        { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACL" },
1243        { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACR" },
1244        { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACL" },
1245        { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACR" },
1246
1247        { "AIF2 DACR Stereo Mux", "Stereo", "AIF2 DACR" },
1248        { "AIF2 DACR Stereo Mux", "Reverse Stereo", "AIF2 DACL" },
1249        { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACL" },
1250        { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACR" },
1251        { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACL" },
1252        { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACR" },
1253
1254        /* DAC Output Routes */
1255        { "DACL", NULL, "DACL Mixer" },
1256        { "DACR", NULL, "DACR Mixer" },
1257
1258        /* DAC Mixer Routes */
1259        { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" },
1260        { "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" },
1261        { "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" },
1262
1263        { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" },
1264        { "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" },
1265        { "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" },
1266};
1267
1268static const struct snd_soc_dapm_widget sun8i_codec_legacy_widgets[] = {
1269        /* Legacy ADC Inputs (connected to analog codec DAPM context) */
1270        SND_SOC_DAPM_ADC("AIF1 Slot 0 Left ADC", NULL, SND_SOC_NOPM, 0, 0),
1271        SND_SOC_DAPM_ADC("AIF1 Slot 0 Right ADC", NULL, SND_SOC_NOPM, 0, 0),
1272
1273        /* Legacy DAC Outputs (connected to analog codec DAPM context) */
1274        SND_SOC_DAPM_DAC("AIF1 Slot 0 Left", NULL, SND_SOC_NOPM, 0, 0),
1275        SND_SOC_DAPM_DAC("AIF1 Slot 0 Right", NULL, SND_SOC_NOPM, 0, 0),
1276};
1277
1278static const struct snd_soc_dapm_route sun8i_codec_legacy_routes[] = {
1279        /* Legacy ADC Routes */
1280        { "ADCL", NULL, "AIF1 Slot 0 Left ADC" },
1281        { "ADCR", NULL, "AIF1 Slot 0 Right ADC" },
1282
1283        /* Legacy DAC Routes */
1284        { "AIF1 Slot 0 Left", NULL, "DACL" },
1285        { "AIF1 Slot 0 Right", NULL, "DACR" },
1286};
1287
1288static int sun8i_codec_component_probe(struct snd_soc_component *component)
1289{
1290        struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1291        struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
1292        int ret;
1293
1294        scodec->component = component;
1295
1296        /* Add widgets for backward compatibility with old device trees. */
1297        if (scodec->quirks->legacy_widgets) {
1298                ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_legacy_widgets,
1299                                                ARRAY_SIZE(sun8i_codec_legacy_widgets));
1300                if (ret)
1301                        return ret;
1302
1303                ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_legacy_routes,
1304                                              ARRAY_SIZE(sun8i_codec_legacy_routes));
1305                if (ret)
1306                        return ret;
1307        }
1308
1309        /*
1310         * AIF1CLK and AIF2CLK share a pair of clock parents: PLL_AUDIO ("mod")
1311         * and MCLK (from the CPU DAI connected to AIF1). MCLK's parent is also
1312         * PLL_AUDIO, so using it adds no additional flexibility. Use PLL_AUDIO
1313         * directly to simplify the clock tree.
1314         */
1315        regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1316                           SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK |
1317                           SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK,
1318                           SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL |
1319                           SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL);
1320
1321        /* Use AIF1CLK as the SYSCLK parent since AIF1 is used most often. */
1322        regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
1323                           BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC),
1324                           SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK);
1325
1326        /* Program the default sample rate. */
1327        sun8i_codec_update_sample_rate(scodec);
1328
1329        return 0;
1330}
1331
1332static void sun8i_codec_set_hmic_bias(struct sun8i_codec *scodec, bool enable)
1333{
1334        struct snd_soc_dapm_context *dapm = &scodec->component->card->dapm;
1335        int irq_mask = BIT(SUN8I_HMIC_CTRL1_HMIC_DATA_IRQ_EN);
1336
1337        if (enable)
1338                snd_soc_dapm_force_enable_pin(dapm, "HBIAS");
1339        else
1340                snd_soc_dapm_disable_pin(dapm, "HBIAS");
1341
1342        snd_soc_dapm_sync(dapm);
1343
1344        regmap_update_bits(scodec->regmap, SUN8I_HMIC_CTRL1,
1345                           irq_mask, enable ? irq_mask : 0);
1346}
1347
1348static void sun8i_codec_jack_work(struct work_struct *work)
1349{
1350        struct sun8i_codec *scodec = container_of(work, struct sun8i_codec,
1351                                                  jack_work.work);
1352        unsigned int mdata;
1353        int type;
1354
1355        guard(mutex)(&scodec->jack_mutex);
1356
1357        if (scodec->jack_status == SUN8I_JACK_STATUS_DISCONNECTED) {
1358                if (scodec->last_hmic_irq != SUN8I_HMIC_STS_JACK_IN_IRQ_ST)
1359                        return;
1360
1361                scodec->jack_last_sample = -1;
1362
1363                if (scodec->jack_type & SND_JACK_MICROPHONE) {
1364                        /*
1365                         * If we were in disconnected state, we enable HBIAS and
1366                         * wait 600ms before reading initial HDATA value.
1367                         */
1368                        scodec->jack_hbias_ready = ktime_add_ms(ktime_get(), 600);
1369                        sun8i_codec_set_hmic_bias(scodec, true);
1370                        queue_delayed_work(system_power_efficient_wq,
1371                                           &scodec->jack_work,
1372                                           msecs_to_jiffies(610));
1373                        scodec->jack_status = SUN8I_JACK_STATUS_WAITING_HBIAS;
1374                } else {
1375                        snd_soc_jack_report(scodec->jack, SND_JACK_HEADPHONE,
1376                                            scodec->jack_type);
1377                        scodec->jack_status = SUN8I_JACK_STATUS_CONNECTED;
1378                }
1379        } else if (scodec->jack_status == SUN8I_JACK_STATUS_WAITING_HBIAS) {
1380                /*
1381                 * If we're waiting for HBIAS to stabilize, and we get plug-out
1382                 * interrupt and nothing more for > 100ms, just cancel the
1383                 * initialization.
1384                 */
1385                if (scodec->last_hmic_irq == SUN8I_HMIC_STS_JACK_OUT_IRQ_ST) {
1386                        scodec->jack_status = SUN8I_JACK_STATUS_DISCONNECTED;
1387                        sun8i_codec_set_hmic_bias(scodec, false);
1388                        return;
1389                }
1390
1391                /*
1392                 * If we're not done waiting for HBIAS to stabilize, wait more.
1393                 */
1394                if (!ktime_after(ktime_get(), scodec->jack_hbias_ready)) {
1395                        s64 msecs = ktime_ms_delta(scodec->jack_hbias_ready,
1396                                                   ktime_get());
1397
1398                        queue_delayed_work(system_power_efficient_wq,
1399                                           &scodec->jack_work,
1400                                           msecs_to_jiffies(msecs + 10));
1401                        return;
1402                }
1403
1404                /*
1405                 * Everything is stabilized, determine jack type and report it.
1406                 */
1407                regmap_read(scodec->regmap, SUN8I_HMIC_STS, &mdata);
1408                mdata &= SUN8I_HMIC_STS_HMIC_DATA_MASK;
1409                mdata >>= SUN8I_HMIC_STS_HMIC_DATA;
1410
1411                regmap_write(scodec->regmap, SUN8I_HMIC_STS, 0);
1412
1413                type = mdata < 16 ? SND_JACK_HEADPHONE : SND_JACK_HEADSET;
1414                if (type == SND_JACK_HEADPHONE)
1415                        sun8i_codec_set_hmic_bias(scodec, false);
1416
1417                snd_soc_jack_report(scodec->jack, type, scodec->jack_type);
1418                scodec->jack_status = SUN8I_JACK_STATUS_CONNECTED;
1419        } else if (scodec->jack_status == SUN8I_JACK_STATUS_CONNECTED) {
1420                if (scodec->last_hmic_irq != SUN8I_HMIC_STS_JACK_OUT_IRQ_ST)
1421                        return;
1422
1423                scodec->jack_status = SUN8I_JACK_STATUS_DISCONNECTED;
1424                if (scodec->jack_type & SND_JACK_MICROPHONE)
1425                        sun8i_codec_set_hmic_bias(scodec, false);
1426
1427                snd_soc_jack_report(scodec->jack, 0, scodec->jack_type);
1428        }
1429}
1430
1431static irqreturn_t sun8i_codec_jack_irq(int irq, void *dev_id)
1432{
1433        struct sun8i_codec *scodec = dev_id;
1434        int type = SND_JACK_HEADSET;
1435        unsigned int status, value;
1436
1437        guard(mutex)(&scodec->jack_mutex);
1438
1439        regmap_read(scodec->regmap, SUN8I_HMIC_STS, &status);
1440        regmap_write(scodec->regmap, SUN8I_HMIC_STS, status);
1441
1442        /*
1443         * De-bounce in/out interrupts via a delayed work re-scheduling to
1444         * 100ms after each interrupt..
1445         */
1446        if (status & BIT(SUN8I_HMIC_STS_JACK_OUT_IRQ_ST)) {
1447                /*
1448                 * Out interrupt has priority over in interrupt so that if
1449                 * we get both, we assume the disconnected state, which is
1450                 * safer.
1451                 */
1452                scodec->last_hmic_irq = SUN8I_HMIC_STS_JACK_OUT_IRQ_ST;
1453                mod_delayed_work(system_power_efficient_wq, &scodec->jack_work,
1454                                 msecs_to_jiffies(100));
1455        } else if (status & BIT(SUN8I_HMIC_STS_JACK_IN_IRQ_ST)) {
1456                scodec->last_hmic_irq = SUN8I_HMIC_STS_JACK_IN_IRQ_ST;
1457                mod_delayed_work(system_power_efficient_wq, &scodec->jack_work,
1458                                 msecs_to_jiffies(100));
1459        } else if (status & BIT(SUN8I_HMIC_STS_HMIC_DATA_IRQ_ST)) {
1460                /*
1461                 * Ignore data interrupts until jack status turns to connected
1462                 * state, which is after HMIC enable stabilization is completed.
1463                 * Until then tha data are bogus.
1464                 */
1465                if (scodec->jack_status != SUN8I_JACK_STATUS_CONNECTED)
1466                        return IRQ_HANDLED;
1467
1468                value = (status & SUN8I_HMIC_STS_HMIC_DATA_MASK) >>
1469                        SUN8I_HMIC_STS_HMIC_DATA;
1470
1471                /*
1472                 * Assumes 60 mV per ADC LSB increment, 2V bias voltage, 2.2kOhm
1473                 * bias resistor.
1474                 */
1475                if (value == 0)
1476                        type |= SND_JACK_BTN_0;
1477                else if (value == 1)
1478                        type |= SND_JACK_BTN_3;
1479                else if (value <= 3)
1480                        type |= SND_JACK_BTN_1;
1481                else if (value <= 8)
1482                        type |= SND_JACK_BTN_2;
1483
1484                /*
1485                 * De-bounce. Only report button after two consecutive A/D
1486                 * samples are identical.
1487                 */
1488                if (scodec->jack_last_sample >= 0 &&
1489                    scodec->jack_last_sample == value)
1490                        snd_soc_jack_report(scodec->jack, type,
1491                                            scodec->jack_type);
1492
1493                scodec->jack_last_sample = value;
1494        }
1495
1496        return IRQ_HANDLED;
1497}
1498
1499static int sun8i_codec_enable_jack_detect(struct snd_soc_component *component,
1500                                          struct snd_soc_jack *jack, void *data)
1501{
1502        struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
1503        struct platform_device *pdev = to_platform_device(component->dev);
1504        int ret;
1505
1506        if (!scodec->quirks->jack_detection)
1507                return 0;
1508
1509        scodec->jack = jack;
1510
1511        scodec->jack_irq = platform_get_irq(pdev, 0);
1512        if (scodec->jack_irq < 0)
1513                return scodec->jack_irq;
1514
1515        /* Reserved value required for jack IRQs to trigger. */
1516        regmap_write(scodec->regmap, SUN8I_HMIC_CTRL1,
1517                           0xf << SUN8I_HMIC_CTRL1_HMIC_N |
1518                           0x0 << SUN8I_HMIC_CTRL1_MDATA_THRESHOLD_DB |
1519                           0x4 << SUN8I_HMIC_CTRL1_HMIC_M);
1520
1521        /* Sample the ADC at 128 Hz; bypass smooth filter. */
1522        regmap_write(scodec->regmap, SUN8I_HMIC_CTRL2,
1523                           0x0 << SUN8I_HMIC_CTRL2_HMIC_SAMPLE |
1524                           0x17 << SUN8I_HMIC_CTRL2_HMIC_MDATA_THRESHOLD |
1525                           0x0 << SUN8I_HMIC_CTRL2_HMIC_SF);
1526
1527        /* Do not discard any MDATA, enable user written MDATA threshold. */
1528        regmap_write(scodec->regmap, SUN8I_HMIC_STS, 0);
1529
1530        regmap_set_bits(scodec->regmap, SUN8I_HMIC_CTRL1,
1531                        BIT(SUN8I_HMIC_CTRL1_JACK_OUT_IRQ_EN) |
1532                        BIT(SUN8I_HMIC_CTRL1_JACK_IN_IRQ_EN));
1533
1534        ret = devm_request_threaded_irq(&pdev->dev, scodec->jack_irq,
1535                                        NULL, sun8i_codec_jack_irq,
1536                                        IRQF_ONESHOT,
1537                                        dev_name(&pdev->dev), scodec);
1538        if (ret)
1539                return ret;
1540
1541        return 0;
1542}
1543
1544static void sun8i_codec_disable_jack_detect(struct snd_soc_component *component)
1545{
1546        struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
1547
1548        if (!scodec->quirks->jack_detection)
1549                return;
1550
1551        devm_free_irq(component->dev, scodec->jack_irq, scodec);
1552
1553        cancel_delayed_work_sync(&scodec->jack_work);
1554
1555        regmap_clear_bits(scodec->regmap, SUN8I_HMIC_CTRL1,
1556                          BIT(SUN8I_HMIC_CTRL1_JACK_OUT_IRQ_EN) |
1557                          BIT(SUN8I_HMIC_CTRL1_JACK_IN_IRQ_EN) |
1558                          BIT(SUN8I_HMIC_CTRL1_HMIC_DATA_IRQ_EN));
1559
1560        scodec->jack = NULL;
1561}
1562
1563static int sun8i_codec_component_set_jack(struct snd_soc_component *component,
1564                                          struct snd_soc_jack *jack, void *data)
1565{
1566        int ret = 0;
1567
1568        if (jack)
1569                ret = sun8i_codec_enable_jack_detect(component, jack, data);
1570        else
1571                sun8i_codec_disable_jack_detect(component);
1572
1573        return ret;
1574}
1575
1576static const struct snd_soc_component_driver sun8i_soc_component = {
1577        .controls               = sun8i_codec_controls,
1578        .num_controls           = ARRAY_SIZE(sun8i_codec_controls),
1579        .dapm_widgets           = sun8i_codec_dapm_widgets,
1580        .num_dapm_widgets       = ARRAY_SIZE(sun8i_codec_dapm_widgets),
1581        .dapm_routes            = sun8i_codec_dapm_routes,
1582        .num_dapm_routes        = ARRAY_SIZE(sun8i_codec_dapm_routes),
1583        .set_jack               = sun8i_codec_component_set_jack,
1584        .probe                  = sun8i_codec_component_probe,
1585        .idle_bias_on           = 1,
1586        .suspend_bias_off       = 1,
1587        .endianness             = 1,
1588};
1589
1590static bool sun8i_codec_volatile_reg(struct device *dev, unsigned int reg)
1591{
1592        return reg == SUN8I_HMIC_STS;
1593}
1594
1595static const struct regmap_config sun8i_codec_regmap_config = {
1596        .reg_bits       = 32,
1597        .reg_stride     = 4,
1598        .val_bits       = 32,
1599        .volatile_reg   = sun8i_codec_volatile_reg,
1600        .max_register   = SUN8I_DAC_MXR_SRC,
1601
1602        .cache_type     = REGCACHE_FLAT,
1603};
1604
1605static int sun8i_codec_probe(struct platform_device *pdev)
1606{
1607        struct sun8i_codec *scodec;
1608        void __iomem *base;
1609        int ret;
1610
1611        scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1612        if (!scodec)
1613                return -ENOMEM;
1614
1615        scodec->quirks = of_device_get_match_data(&pdev->dev);
1616        INIT_DELAYED_WORK(&scodec->jack_work, sun8i_codec_jack_work);
1617        mutex_init(&scodec->jack_mutex);
1618
1619        platform_set_drvdata(pdev, scodec);
1620
1621        if (scodec->quirks->bus_clock) {
1622                scodec->clk_bus = devm_clk_get(&pdev->dev, "bus");
1623                if (IS_ERR(scodec->clk_bus)) {
1624                        dev_err(&pdev->dev, "Failed to get the bus clock\n");
1625                        return PTR_ERR(scodec->clk_bus);
1626                }
1627        }
1628
1629        scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
1630        if (IS_ERR(scodec->clk_module)) {
1631                dev_err(&pdev->dev, "Failed to get the module clock\n");
1632                return PTR_ERR(scodec->clk_module);
1633        }
1634
1635        base = devm_platform_ioremap_resource(pdev, 0);
1636        if (IS_ERR(base)) {
1637                dev_err(&pdev->dev, "Failed to map the registers\n");
1638                return PTR_ERR(base);
1639        }
1640
1641        scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
1642                                               &sun8i_codec_regmap_config);
1643        if (IS_ERR(scodec->regmap)) {
1644                dev_err(&pdev->dev, "Failed to create our regmap\n");
1645                return PTR_ERR(scodec->regmap);
1646        }
1647
1648        regcache_cache_only(scodec->regmap, true);
1649        pm_runtime_enable(&pdev->dev);
1650        if (!pm_runtime_enabled(&pdev->dev)) {
1651                ret = sun8i_codec_runtime_resume(&pdev->dev);
1652                if (ret)
1653                        goto err_pm_disable;
1654        }
1655
1656        ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
1657                                              sun8i_codec_dais,
1658                                              ARRAY_SIZE(sun8i_codec_dais));
1659        if (ret) {
1660                dev_err(&pdev->dev, "Failed to register codec\n");
1661                goto err_suspend;
1662        }
1663
1664        return ret;
1665
1666err_suspend:
1667        if (!pm_runtime_status_suspended(&pdev->dev))
1668                sun8i_codec_runtime_suspend(&pdev->dev);
1669
1670err_pm_disable:
1671        pm_runtime_disable(&pdev->dev);
1672
1673        return ret;
1674}
1675
1676static void sun8i_codec_remove(struct platform_device *pdev)
1677{
1678        pm_runtime_disable(&pdev->dev);
1679        if (!pm_runtime_status_suspended(&pdev->dev))
1680                sun8i_codec_runtime_suspend(&pdev->dev);
1681}
1682
1683static const struct sun8i_codec_quirks sun8i_a33_quirks = {
1684        .bus_clock      = true,
1685        .legacy_widgets = true,
1686        .lrck_inversion = true,
1687};
1688
1689static const struct sun8i_codec_quirks sun50i_a64_quirks = {
1690        .bus_clock      = true,
1691        .jack_detection = true,
1692};
1693
1694static const struct of_device_id sun8i_codec_of_match[] = {
1695        { .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
1696        { .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
1697        {}
1698};
1699MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
1700
1701static const struct dev_pm_ops sun8i_codec_pm_ops = {
1702        RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
1703                       sun8i_codec_runtime_resume, NULL)
1704};
1705
1706static struct platform_driver sun8i_codec_driver = {
1707        .driver = {
1708                .name = "sun8i-codec",
1709                .of_match_table = sun8i_codec_of_match,
1710                .pm = pm_ptr(&sun8i_codec_pm_ops),
1711        },
1712        .probe = sun8i_codec_probe,
1713        .remove = sun8i_codec_remove,
1714};
1715module_platform_driver(sun8i_codec_driver);
1716
1717MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
1718MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
1719MODULE_LICENSE("GPL");
1720MODULE_ALIAS("platform:sun8i-codec");
1721