sound/soc/sunxi/sun4i-codec.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 2014 Emilio López <emilio@elopez.com.ar>
   4  * Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
   5  * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
   6  * Copyright 2015 Adam Sampson <ats@offog.org>
   7  * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
   8  *
   9  * Based on the Allwinner SDK driver, released under the GPL.
  10  */
  11
  12 #include <linux/init.h>
  13 #include <linux/kernel.h>
  14 #include <linux/module.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/slab.h>
  18 #include <linux/of.h>
  19 #include <linux/of_address.h>
  20 #include <linux/of_device.h>
  21 #include <linux/of_platform.h>
  22 #include <linux/clk.h>
  23 #include <linux/regmap.h>
  24 #include <linux/reset.h>
  25 #include <linux/gpio/consumer.h>
  26
  27 #include <sound/core.h>
  28 #include <sound/pcm.h>
  29 #include <sound/pcm_params.h>
  30 #include <sound/soc.h>
  31 #include <sound/tlv.h>
  32 #include <sound/initval.h>
  33 #include <sound/dmaengine_pcm.h>
  34
  35 /* Codec DAC digital controls and FIFO registers */
  36 #define SUN4I_CODEC_DAC_DPC                     (0x00)
  37 #define SUN4I_CODEC_DAC_DPC_EN_DA                       (31)
  38 #define SUN4I_CODEC_DAC_DPC_DVOL                        (12)
  39 #define SUN4I_CODEC_DAC_FIFOC                   (0x04)
  40 #define SUN4I_CODEC_DAC_FIFOC_DAC_FS                    (29)
  41 #define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION               (28)
  42 #define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT                (26)
  43 #define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE              (24)
  44 #define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT               (21)
  45 #define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL             (8)
  46 #define SUN4I_CODEC_DAC_FIFOC_MONO_EN                   (6)
  47 #define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS            (5)
  48 #define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN                (4)
  49 #define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH                (0)
  50 #define SUN4I_CODEC_DAC_FIFOS                   (0x08)
  51 #define SUN4I_CODEC_DAC_TXDATA                  (0x0c)
  52
  53 /* Codec DAC side analog signal controls */
  54 #define SUN4I_CODEC_DAC_ACTL                    (0x10)
  55 #define SUN4I_CODEC_DAC_ACTL_DACAENR                    (31)
  56 #define SUN4I_CODEC_DAC_ACTL_DACAENL                    (30)
  57 #define SUN4I_CODEC_DAC_ACTL_MIXEN                      (29)
  58 #define SUN4I_CODEC_DAC_ACTL_LNG                        (26)
  59 #define SUN4I_CODEC_DAC_ACTL_FMG                        (23)
  60 #define SUN4I_CODEC_DAC_ACTL_MICG                       (20)
  61 #define SUN4I_CODEC_DAC_ACTL_LLNS                       (19)
  62 #define SUN4I_CODEC_DAC_ACTL_RLNS                       (18)
  63 #define SUN4I_CODEC_DAC_ACTL_LFMS                       (17)
  64 #define SUN4I_CODEC_DAC_ACTL_RFMS                       (16)
  65 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS                  (15)
  66 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS                  (14)
  67 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS                  (13)
  68 #define SUN4I_CODEC_DAC_ACTL_MIC1LS                     (12)
  69 #define SUN4I_CODEC_DAC_ACTL_MIC1RS                     (11)
  70 #define SUN4I_CODEC_DAC_ACTL_MIC2LS                     (10)
  71 #define SUN4I_CODEC_DAC_ACTL_MIC2RS                     (9)
  72 #define SUN4I_CODEC_DAC_ACTL_DACPAS                     (8)
  73 #define SUN4I_CODEC_DAC_ACTL_MIXPAS                     (7)
  74 #define SUN4I_CODEC_DAC_ACTL_PA_MUTE                    (6)
  75 #define SUN4I_CODEC_DAC_ACTL_PA_VOL                     (0)
  76 #define SUN4I_CODEC_DAC_TUNE                    (0x14)
  77 #define SUN4I_CODEC_DAC_DEBUG                   (0x18)
  78
  79 /* Codec ADC digital controls and FIFO registers */
  80 #define SUN4I_CODEC_ADC_FIFOC                   (0x1c)
  81 #define SUN4I_CODEC_ADC_FIFOC_ADC_FS                    (29)
  82 #define SUN4I_CODEC_ADC_FIFOC_EN_AD                     (28)
  83 #define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE              (24)
  84 #define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL             (8)
  85 #define SUN4I_CODEC_ADC_FIFOC_MONO_EN                   (7)
  86 #define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS            (6)
  87 #define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN                (4)
  88 #define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH                (0)
  89 #define SUN4I_CODEC_ADC_FIFOS                   (0x20)
  90 #define SUN4I_CODEC_ADC_RXDATA                  (0x24)
  91
  92 /* Codec ADC side analog signal controls */
  93 #define SUN4I_CODEC_ADC_ACTL                    (0x28)
  94 #define SUN4I_CODEC_ADC_ACTL_ADC_R_EN                   (31)
  95 #define SUN4I_CODEC_ADC_ACTL_ADC_L_EN                   (30)
  96 #define SUN4I_CODEC_ADC_ACTL_PREG1EN                    (29)
  97 #define SUN4I_CODEC_ADC_ACTL_PREG2EN                    (28)
  98 #define SUN4I_CODEC_ADC_ACTL_VMICEN                     (27)
  99 #define SUN4I_CODEC_ADC_ACTL_PREG1                      (25)
 100 #define SUN4I_CODEC_ADC_ACTL_PREG2                      (23)
 101 #define SUN4I_CODEC_ADC_ACTL_VADCG                      (20)
 102 #define SUN4I_CODEC_ADC_ACTL_ADCIS                      (17)
 103 #define SUN4I_CODEC_ADC_ACTL_LNPREG                     (13)
 104 #define SUN4I_CODEC_ADC_ACTL_PA_EN                      (4)
 105 #define SUN4I_CODEC_ADC_ACTL_DDE                        (3)
 106 #define SUN4I_CODEC_ADC_DEBUG                   (0x2c)
 107
 108 /* FIFO counters */
 109 #define SUN4I_CODEC_DAC_TXCNT                   (0x30)
 110 #define SUN4I_CODEC_ADC_RXCNT                   (0x34)
 111
 112 /* Calibration register (sun7i only) */
 113 #define SUN7I_CODEC_AC_DAC_CAL                  (0x38)
 114
 115 /* Microphone controls (sun7i only) */
 116 #define SUN7I_CODEC_AC_MIC_PHONE_CAL            (0x3c)
 117
 118 #define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1              (29)
 119 #define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2              (26)
 120
 121 /*
 122  * sun6i specific registers
 123  *
 124  * sun6i shares the same digital control and FIFO registers as sun4i,
 125  * but only the DAC digital controls are at the same offset. The others
 126  * have been moved around to accommodate extra analog controls.
 127  */
 128
 129 /* Codec DAC digital controls and FIFO registers */
 130 #define SUN6I_CODEC_ADC_FIFOC                   (0x10)
 131 #define SUN6I_CODEC_ADC_FIFOC_EN_AD                     (28)
 132 #define SUN6I_CODEC_ADC_FIFOS                   (0x14)
 133 #define SUN6I_CODEC_ADC_RXDATA                  (0x18)
 134
 135 /* Output mixer and gain controls */
 136 #define SUN6I_CODEC_OM_DACA_CTRL                (0x20)
 137 #define SUN6I_CODEC_OM_DACA_CTRL_DACAREN                (31)
 138 #define SUN6I_CODEC_OM_DACA_CTRL_DACALEN                (30)
 139 #define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN                 (29)
 140 #define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN                 (28)
 141 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1              (23)
 142 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2              (22)
 143 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE             (21)
 144 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP            (20)
 145 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR           (19)
 146 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR              (18)
 147 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL              (17)
 148 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1              (16)
 149 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2              (15)
 150 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE             (14)
 151 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN            (13)
 152 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL           (12)
 153 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL              (11)
 154 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR              (10)
 155 #define SUN6I_CODEC_OM_DACA_CTRL_RHPIS                  (9)
 156 #define SUN6I_CODEC_OM_DACA_CTRL_LHPIS                  (8)
 157 #define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE              (7)
 158 #define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE              (6)
 159 #define SUN6I_CODEC_OM_DACA_CTRL_HPVOL                  (0)
 160 #define SUN6I_CODEC_OM_PA_CTRL                  (0x24)
 161 #define SUN6I_CODEC_OM_PA_CTRL_HPPAEN                   (31)
 162 #define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL                (29)
 163 #define SUN6I_CODEC_OM_PA_CTRL_COMPTEN                  (28)
 164 #define SUN6I_CODEC_OM_PA_CTRL_MIC1G                    (15)
 165 #define SUN6I_CODEC_OM_PA_CTRL_MIC2G                    (12)
 166 #define SUN6I_CODEC_OM_PA_CTRL_LINEING                  (9)
 167 #define SUN6I_CODEC_OM_PA_CTRL_PHONEG                   (6)
 168 #define SUN6I_CODEC_OM_PA_CTRL_PHONEPG                  (3)
 169 #define SUN6I_CODEC_OM_PA_CTRL_PHONENG                  (0)
 170
 171 /* Microphone, line out and phone out controls */
 172 #define SUN6I_CODEC_MIC_CTRL                    (0x28)
 173 #define SUN6I_CODEC_MIC_CTRL_HBIASEN                    (31)
 174 #define SUN6I_CODEC_MIC_CTRL_MBIASEN                    (30)
 175 #define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN                  (28)
 176 #define SUN6I_CODEC_MIC_CTRL_MIC1BOOST                  (25)
 177 #define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN                  (24)
 178 #define SUN6I_CODEC_MIC_CTRL_MIC2BOOST                  (21)
 179 #define SUN6I_CODEC_MIC_CTRL_MIC2SLT                    (20)
 180 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN                 (19)
 181 #define SUN6I_CODEC_MIC_CTRL_LINEOUTREN                 (18)
 182 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC                (17)
 183 #define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC                (16)
 184 #define SUN6I_CODEC_MIC_CTRL_LINEOUTVC                  (11)
 185 #define SUN6I_CODEC_MIC_CTRL_PHONEPREG                  (8)
 186
 187 /* ADC mixer controls */
 188 #define SUN6I_CODEC_ADC_ACTL                    (0x2c)
 189 #define SUN6I_CODEC_ADC_ACTL_ADCREN                     (31)
 190 #define SUN6I_CODEC_ADC_ACTL_ADCLEN                     (30)
 191 #define SUN6I_CODEC_ADC_ACTL_ADCRG                      (27)
 192 #define SUN6I_CODEC_ADC_ACTL_ADCLG                      (24)
 193 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1               (13)
 194 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2               (12)
 195 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE              (11)
 196 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP             (10)
 197 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR            (9)
 198 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR              (8)
 199 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL              (7)
 200 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1               (6)
 201 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2               (5)
 202 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE              (4)
 203 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN             (3)
 204 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL            (2)
 205 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL              (1)
 206 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR              (0)
 207
 208 /* Analog performance tuning controls */
 209 #define SUN6I_CODEC_ADDA_TUNE                   (0x30)
 210
 211 /* Calibration controls */
 212 #define SUN6I_CODEC_CALIBRATION                 (0x34)
 213
 214 /* FIFO counters */
 215 #define SUN6I_CODEC_DAC_TXCNT                   (0x40)
 216 #define SUN6I_CODEC_ADC_RXCNT                   (0x44)
 217
 218 /* headset jack detection and button support registers */
 219 #define SUN6I_CODEC_HMIC_CTL                    (0x50)
 220 #define SUN6I_CODEC_HMIC_DATA                   (0x54)
 221
 222 /* TODO sun6i DAP (Digital Audio Processing) bits */
 223
 224 /* FIFO counters moved on A23 */
 225 #define SUN8I_A23_CODEC_DAC_TXCNT               (0x1c)
 226 #define SUN8I_A23_CODEC_ADC_RXCNT               (0x20)
 227
 228 /* TX FIFO moved on H3 */
 229 #define SUN8I_H3_CODEC_DAC_TXDATA               (0x20)
 230 #define SUN8I_H3_CODEC_DAC_DBG                  (0x48)
 231 #define SUN8I_H3_CODEC_ADC_DBG                  (0x4c)
 232
 233 /* TODO H3 DAP (Digital Audio Processing) bits */
 234
 235 struct sun4i_codec {
 236         struct device   *dev;
 237         struct regmap   *regmap;
 238         struct clk      *clk_apb;
 239         struct clk      *clk_module;
 240         struct reset_control *rst;
 241         struct gpio_desc *gpio_pa;
 242
 243         /* ADC_FIFOC register is at different offset on different SoCs */
 244         struct regmap_field *reg_adc_fifoc;
 245
 246         struct snd_dmaengine_dai_dma_data       capture_dma_data;
 247         struct snd_dmaengine_dai_dma_data       playback_dma_data;
 248 };
 249
 250 static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
 251 {
 252         /* Flush TX FIFO */
 253         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 254                            BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
 255                            BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
 256
 257         /* Enable DAC DRQ */
 258         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 259                            BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
 260                            BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
 261 }
 262
 263 static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
 264 {
 265         /* Disable DAC DRQ */
 266         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 267                            BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
 268                            0);
 269 }
 270
 271 static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
 272 {
 273         /* Enable ADC DRQ */
 274         regmap_field_update_bits(scodec->reg_adc_fifoc,
 275                                  BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
 276                                  BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
 277 }
 278
 279 static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
 280 {
 281         /* Disable ADC DRQ */
 282         regmap_field_update_bits(scodec->reg_adc_fifoc,
 283                                  BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
 284 }
 285
 286 static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
 287                                struct snd_soc_dai *dai)
 288 {
 289         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 290         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 291
 292         switch (cmd) {
 293         case SNDRV_PCM_TRIGGER_START:
 294         case SNDRV_PCM_TRIGGER_RESUME:
 295         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 296                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 297                         sun4i_codec_start_playback(scodec);
 298                 else
 299                         sun4i_codec_start_capture(scodec);
 300                 break;
 301
 302         case SNDRV_PCM_TRIGGER_STOP:
 303         case SNDRV_PCM_TRIGGER_SUSPEND:
 304         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 305                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 306                         sun4i_codec_stop_playback(scodec);
 307                 else
 308                         sun4i_codec_stop_capture(scodec);
 309                 break;
 310
 311         default:
 312                 return -EINVAL;
 313         }
 314
 315         return 0;
 316 }
 317
 318 static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
 319                                        struct snd_soc_dai *dai)
 320 {
 321         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 322         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 323
 324
 325         /* Flush RX FIFO */
 326         regmap_field_update_bits(scodec->reg_adc_fifoc,
 327                                  BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH),
 328                                  BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));
 329
 330
 331         /* Set RX FIFO trigger level */
 332         regmap_field_update_bits(scodec->reg_adc_fifoc,
 333                                  0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
 334                                  0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);
 335
 336         /*
 337          * FIXME: Undocumented in the datasheet, but
 338          *        Allwinner's code mentions that it is related
 339          *        related to microphone gain
 340          */
 341         if (of_device_is_compatible(scodec->dev->of_node,
 342                                     "allwinner,sun4i-a10-codec") ||
 343             of_device_is_compatible(scodec->dev->of_node,
 344                                     "allwinner,sun7i-a20-codec")) {
 345                 regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
 346                                    0x3 << 25,
 347                                    0x1 << 25);
 348         }
 349
 350         if (of_device_is_compatible(scodec->dev->of_node,
 351                                     "allwinner,sun7i-a20-codec"))
 352                 /* FIXME: Undocumented bits */
 353                 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
 354                                    0x3 << 8,
 355                                    0x1 << 8);
 356
 357         return 0;
 358 }
 359
 360 static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
 361                                         struct snd_soc_dai *dai)
 362 {
 363         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 364         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 365         u32 val;
 366
 367         /* Flush the TX FIFO */
 368         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 369                            BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
 370                            BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
 371
 372         /* Set TX FIFO Empty Trigger Level */
 373         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 374                            0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
 375                            0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
 376
 377         if (substream->runtime->rate > 32000)
 378                 /* Use 64 bits FIR filter */
 379                 val = 0;
 380         else
 381                 /* Use 32 bits FIR filter */
 382                 val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
 383
 384         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 385                            BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
 386                            val);
 387
 388         /* Send zeros when we have an underrun */
 389         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 390                            BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT),
 391                            0);
 392
 393         return 0;
 394 };
 395
 396 static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
 397                                struct snd_soc_dai *dai)
 398 {
 399         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 400                 return sun4i_codec_prepare_playback(substream, dai);
 401
 402         return sun4i_codec_prepare_capture(substream, dai);
 403 }
 404
 405 static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
 406 {
 407         unsigned int rate = params_rate(params);
 408
 409         switch (rate) {
 410         case 176400:
 411         case 88200:
 412         case 44100:
 413         case 33075:
 414         case 22050:
 415         case 14700:
 416         case 11025:
 417         case 7350:
 418                 return 22579200;
 419
 420         case 192000:
 421         case 96000:
 422         case 48000:
 423         case 32000:
 424         case 24000:
 425         case 16000:
 426         case 12000:
 427         case 8000:
 428                 return 24576000;
 429
 430         default:
 431                 return 0;
 432         }
 433 }
 434
 435 static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
 436 {
 437         unsigned int rate = params_rate(params);
 438
 439         switch (rate) {
 440         case 192000:
 441         case 176400:
 442                 return 6;
 443
 444         case 96000:
 445         case 88200:
 446                 return 7;
 447
 448         case 48000:
 449         case 44100:
 450                 return 0;
 451
 452         case 32000:
 453         case 33075:
 454                 return 1;
 455
 456         case 24000:
 457         case 22050:
 458                 return 2;
 459
 460         case 16000:
 461         case 14700:
 462                 return 3;
 463
 464         case 12000:
 465         case 11025:
 466                 return 4;
 467
 468         case 8000:
 469         case 7350:
 470                 return 5;
 471
 472         default:
 473                 return -EINVAL;
 474         }
 475 }
 476
 477 static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
 478                                          struct snd_pcm_hw_params *params,
 479                                          unsigned int hwrate)
 480 {
 481         /* Set ADC sample rate */
 482         regmap_field_update_bits(scodec->reg_adc_fifoc,
 483                                  7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
 484                                  hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);
 485
 486         /* Set the number of channels we want to use */
 487         if (params_channels(params) == 1)
 488                 regmap_field_update_bits(scodec->reg_adc_fifoc,
 489                                          BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
 490                                          BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
 491         else
 492                 regmap_field_update_bits(scodec->reg_adc_fifoc,
 493                                          BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN),
 494                                          0);
 495
 496         /* Set the number of sample bits to either 16 or 24 bits */
 497         if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
 498                 regmap_field_update_bits(scodec->reg_adc_fifoc,
 499                                    BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
 500                                    BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));
 501
 502                 regmap_field_update_bits(scodec->reg_adc_fifoc,
 503                                    BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
 504                                    0);
 505
 506                 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 507         } else {
 508                 regmap_field_update_bits(scodec->reg_adc_fifoc,
 509                                    BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS),
 510                                    0);
 511
 512                 /* Fill most significant bits with valid data MSB */
 513                 regmap_field_update_bits(scodec->reg_adc_fifoc,
 514                                    BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE),
 515                                    BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));
 516
 517                 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
 518         }
 519
 520         return 0;
 521 }
 522
 523 static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
 524                                           struct snd_pcm_hw_params *params,
 525                                           unsigned int hwrate)
 526 {
 527         u32 val;
 528
 529         /* Set DAC sample rate */
 530         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 531                            7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
 532                            hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
 533
 534         /* Set the number of channels we want to use */
 535         if (params_channels(params) == 1)
 536                 val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
 537         else
 538                 val = 0;
 539
 540         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 541                            BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
 542                            val);
 543
 544         /* Set the number of sample bits to either 16 or 24 bits */
 545         if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
 546                 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 547                                    BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
 548                                    BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
 549
 550                 /* Set TX FIFO mode to padding the LSBs with 0 */
 551                 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 552                                    BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
 553                                    0);
 554
 555                 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 556         } else {
 557                 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 558                                    BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS),
 559                                    0);
 560
 561                 /* Set TX FIFO mode to repeat the MSB */
 562                 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 563                                    BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE),
 564                                    BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
 565
 566                 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
 567         }
 568
 569         return 0;
 570 }
 571
 572 static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
 573                                  struct snd_pcm_hw_params *params,
 574                                  struct snd_soc_dai *dai)
 575 {
 576         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 577         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 578         unsigned long clk_freq;
 579         int ret, hwrate;
 580
 581         clk_freq = sun4i_codec_get_mod_freq(params);
 582         if (!clk_freq)
 583                 return -EINVAL;
 584
 585         ret = clk_set_rate(scodec->clk_module, clk_freq);
 586         if (ret)
 587                 return ret;
 588
 589         hwrate = sun4i_codec_get_hw_rate(params);
 590         if (hwrate < 0)
 591                 return hwrate;
 592
 593         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 594                 return sun4i_codec_hw_params_playback(scodec, params,
 595                                                       hwrate);
 596
 597         return sun4i_codec_hw_params_capture(scodec, params,
 598                                              hwrate);
 599 }
 600
 601
 602 static unsigned int sun4i_codec_src_rates[] = {
 603         8000, 11025, 12000, 16000, 22050, 24000, 32000,
 604         44100, 48000, 96000, 192000
 605 };
 606
 607
 608 static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = {
 609         .count  = ARRAY_SIZE(sun4i_codec_src_rates),
 610         .list   = sun4i_codec_src_rates,
 611 };
 612
 613
 614 static int sun4i_codec_startup(struct snd_pcm_substream *substream,
 615                                struct snd_soc_dai *dai)
 616 {
 617         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 618         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 619
 620         snd_pcm_hw_constraint_list(substream->runtime, 0,
 621                                 SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints);
 622
 623         /*
 624          * Stop issuing DRQ when we have room for less than 16 samples
 625          * in our TX FIFO
 626          */
 627         regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 628                            3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT,
 629                            3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
 630
 631         return clk_prepare_enable(scodec->clk_module);
 632 }
 633
 634 static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
 635                                  struct snd_soc_dai *dai)
 636 {
 637         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 638         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 639
 640         clk_disable_unprepare(scodec->clk_module);
 641 }
 642
 643 static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
 644         .startup        = sun4i_codec_startup,
 645         .shutdown       = sun4i_codec_shutdown,
 646         .trigger        = sun4i_codec_trigger,
 647         .hw_params      = sun4i_codec_hw_params,
 648         .prepare        = sun4i_codec_prepare,
 649 };
 650
 651 static struct snd_soc_dai_driver sun4i_codec_dai = {
 652         .name   = "Codec",
 653         .ops    = &sun4i_codec_dai_ops,
 654         .playback = {
 655                 .stream_name    = "Codec Playback",
 656                 .channels_min   = 1,
 657                 .channels_max   = 2,
 658                 .rate_min       = 8000,
 659                 .rate_max       = 192000,
 660                 .rates          = SNDRV_PCM_RATE_CONTINUOUS,
 661                 .formats        = SNDRV_PCM_FMTBIT_S16_LE |
 662                                   SNDRV_PCM_FMTBIT_S32_LE,
 663                 .sig_bits       = 24,
 664         },
 665         .capture = {
 666                 .stream_name    = "Codec Capture",
 667                 .channels_min   = 1,
 668                 .channels_max   = 2,
 669                 .rate_min       = 8000,
 670                 .rate_max       = 48000,
 671                 .rates          = SNDRV_PCM_RATE_CONTINUOUS,
 672                 .formats        = SNDRV_PCM_FMTBIT_S16_LE |
 673                                   SNDRV_PCM_FMTBIT_S32_LE,
 674                 .sig_bits       = 24,
 675         },
 676 };
 677
 678 /*** sun4i Codec ***/
 679 static const struct snd_kcontrol_new sun4i_codec_pa_mute =
 680         SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
 681                         SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
 682
 683 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
 684 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150,
 685                             0);
 686 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300,
 687                             0);
 688 static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150,
 689                             0);
 690 static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
 691                             0);
 692 static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale,
 693                             0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 694                             1, 7, TLV_DB_SCALE_ITEM(3500, 300, 0));
 695 static DECLARE_TLV_DB_RANGE(sun7i_codec_micin_preamp_gain_scale,
 696                             0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 697                             1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0));
 698
 699 static const struct snd_kcontrol_new sun4i_codec_controls[] = {
 700         SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
 701                        SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
 702                        sun4i_codec_pa_volume_scale),
 703         SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
 704                        SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
 705                        sun4i_codec_linein_loopback_gain_scale),
 706         SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
 707                        SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
 708                        sun4i_codec_linein_preamp_gain_scale),
 709         SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
 710                        SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
 711                        sun4i_codec_fmin_loopback_gain_scale),
 712         SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
 713                        SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
 714                        sun4i_codec_micin_loopback_gain_scale),
 715         SOC_SINGLE_TLV("Mic1 Boost Volume", SUN4I_CODEC_ADC_ACTL,
 716                        SUN4I_CODEC_ADC_ACTL_PREG1, 3, 0,
 717                        sun4i_codec_micin_preamp_gain_scale),
 718         SOC_SINGLE_TLV("Mic2 Boost Volume", SUN4I_CODEC_ADC_ACTL,
 719                        SUN4I_CODEC_ADC_ACTL_PREG2, 3, 0,
 720                        sun4i_codec_micin_preamp_gain_scale),
 721 };
 722
 723 static const struct snd_kcontrol_new sun7i_codec_controls[] = {
 724         SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
 725                        SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
 726                        sun4i_codec_pa_volume_scale),
 727         SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
 728                        SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
 729                        sun4i_codec_linein_loopback_gain_scale),
 730         SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
 731                        SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
 732                        sun4i_codec_linein_preamp_gain_scale),
 733         SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
 734                        SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
 735                        sun4i_codec_fmin_loopback_gain_scale),
 736         SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
 737                        SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
 738                        sun4i_codec_micin_loopback_gain_scale),
 739         SOC_SINGLE_TLV("Mic1 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
 740                        SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1, 7, 0,
 741                        sun7i_codec_micin_preamp_gain_scale),
 742         SOC_SINGLE_TLV("Mic2 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
 743                        SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2, 7, 0,
 744                        sun7i_codec_micin_preamp_gain_scale),
 745 };
 746
 747 static const struct snd_kcontrol_new sun4i_codec_mixer_controls[] = {
 748         SOC_DAPM_SINGLE("Left Mixer Left DAC Playback Switch",
 749                         SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_LDACLMIXS,
 750                         1, 0),
 751         SOC_DAPM_SINGLE("Right Mixer Right DAC Playback Switch",
 752                         SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_RDACRMIXS,
 753                         1, 0),
 754         SOC_DAPM_SINGLE("Right Mixer Left DAC Playback Switch",
 755                         SUN4I_CODEC_DAC_ACTL,
 756                         SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
 757         SOC_DAPM_DOUBLE("Line Playback Switch", SUN4I_CODEC_DAC_ACTL,
 758                         SUN4I_CODEC_DAC_ACTL_LLNS,
 759                         SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0),
 760         SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL,
 761                         SUN4I_CODEC_DAC_ACTL_LFMS,
 762                         SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
 763         SOC_DAPM_DOUBLE("Mic1 Playback Switch", SUN4I_CODEC_DAC_ACTL,
 764                         SUN4I_CODEC_DAC_ACTL_MIC1LS,
 765                         SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0),
 766         SOC_DAPM_DOUBLE("Mic2 Playback Switch", SUN4I_CODEC_DAC_ACTL,
 767                         SUN4I_CODEC_DAC_ACTL_MIC2LS,
 768                         SUN4I_CODEC_DAC_ACTL_MIC2RS, 1, 0),
 769 };
 770
 771 static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
 772         SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
 773                         SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
 774         SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
 775                         SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
 776 };
 777
 778 static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
 779         /* Digital parts of the ADCs */
 780         SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
 781                             SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
 782                             NULL, 0),
 783
 784         /* Digital parts of the DACs */
 785         SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
 786                             SUN4I_CODEC_DAC_DPC_EN_DA, 0,
 787                             NULL, 0),
 788
 789         /* Analog parts of the ADCs */
 790         SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
 791                          SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
 792         SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
 793                          SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),
 794
 795         /* Analog parts of the DACs */
 796         SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
 797                          SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
 798         SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
 799                          SUN4I_CODEC_DAC_ACTL_DACAENR, 0),
 800
 801         /* Mixers */
 802         SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
 803                            sun4i_codec_mixer_controls,
 804                            ARRAY_SIZE(sun4i_codec_mixer_controls)),
 805         SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
 806                            sun4i_codec_mixer_controls,
 807                            ARRAY_SIZE(sun4i_codec_mixer_controls)),
 808
 809         /* Global Mixer Enable */
 810         SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
 811                             SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),
 812
 813         /* VMIC */
 814         SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
 815                             SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),
 816
 817         /* Mic Pre-Amplifiers */
 818         SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
 819                          SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
 820         SND_SOC_DAPM_PGA("MIC2 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
 821                          SUN4I_CODEC_ADC_ACTL_PREG2EN, 0, NULL, 0),
 822
 823         /* Power Amplifier */
 824         SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
 825                            SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
 826                            sun4i_codec_pa_mixer_controls,
 827                            ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
 828         SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
 829                             &sun4i_codec_pa_mute),
 830
 831         SND_SOC_DAPM_INPUT("Line Right"),
 832         SND_SOC_DAPM_INPUT("Line Left"),
 833         SND_SOC_DAPM_INPUT("FM Right"),
 834         SND_SOC_DAPM_INPUT("FM Left"),
 835         SND_SOC_DAPM_INPUT("Mic1"),
 836         SND_SOC_DAPM_INPUT("Mic2"),
 837
 838         SND_SOC_DAPM_OUTPUT("HP Right"),
 839         SND_SOC_DAPM_OUTPUT("HP Left"),
 840 };
 841
 842 static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
 843         /* Left ADC / DAC Routes */
 844         { "Left ADC", NULL, "ADC" },
 845         { "Left DAC", NULL, "DAC" },
 846
 847         /* Right ADC / DAC Routes */
 848         { "Right ADC", NULL, "ADC" },
 849         { "Right DAC", NULL, "DAC" },
 850
 851         /* Right Mixer Routes */
 852         { "Right Mixer", NULL, "Mixer Enable" },
 853         { "Right Mixer", "Right Mixer Left DAC Playback Switch", "Left DAC" },
 854         { "Right Mixer", "Right Mixer Right DAC Playback Switch", "Right DAC" },
 855         { "Right Mixer", "Line Playback Switch", "Line Right" },
 856         { "Right Mixer", "FM Playback Switch", "FM Right" },
 857         { "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 858         { "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
 859
 860         /* Left Mixer Routes */
 861         { "Left Mixer", NULL, "Mixer Enable" },
 862         { "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" },
 863         { "Left Mixer", "Line Playback Switch", "Line Left" },
 864         { "Left Mixer", "FM Playback Switch", "FM Left" },
 865         { "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 866         { "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },
 867
 868         /* Power Amplifier Routes */
 869         { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
 870         { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
 871         { "Power Amplifier", "DAC Playback Switch", "Left DAC" },
 872         { "Power Amplifier", "DAC Playback Switch", "Right DAC" },
 873
 874         /* Headphone Output Routes */
 875         { "Power Amplifier Mute", "Switch", "Power Amplifier" },
 876         { "HP Right", NULL, "Power Amplifier Mute" },
 877         { "HP Left", NULL, "Power Amplifier Mute" },
 878
 879         /* Mic1 Routes */
 880         { "Left ADC", NULL, "MIC1 Pre-Amplifier" },
 881         { "Right ADC", NULL, "MIC1 Pre-Amplifier" },
 882         { "MIC1 Pre-Amplifier", NULL, "Mic1"},
 883         { "Mic1", NULL, "VMIC" },
 884
 885         /* Mic2 Routes */
 886         { "Left ADC", NULL, "MIC2 Pre-Amplifier" },
 887         { "Right ADC", NULL, "MIC2 Pre-Amplifier" },
 888         { "MIC2 Pre-Amplifier", NULL, "Mic2"},
 889         { "Mic2", NULL, "VMIC" },
 890 };
 891
 892 static const struct snd_soc_component_driver sun4i_codec_codec = {
 893         .controls               = sun4i_codec_controls,
 894         .num_controls           = ARRAY_SIZE(sun4i_codec_controls),
 895         .dapm_widgets           = sun4i_codec_codec_dapm_widgets,
 896         .num_dapm_widgets       = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
 897         .dapm_routes            = sun4i_codec_codec_dapm_routes,
 898         .num_dapm_routes        = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
 899         .idle_bias_on           = 1,
 900         .use_pmdown_time        = 1,
 901         .endianness             = 1,
 902         .non_legacy_dai_naming  = 1,
 903 };
 904
 905 static const struct snd_soc_component_driver sun7i_codec_codec = {
 906         .controls               = sun7i_codec_controls,
 907         .num_controls           = ARRAY_SIZE(sun7i_codec_controls),
 908         .dapm_widgets           = sun4i_codec_codec_dapm_widgets,
 909         .num_dapm_widgets       = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
 910         .dapm_routes            = sun4i_codec_codec_dapm_routes,
 911         .num_dapm_routes        = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
 912         .idle_bias_on           = 1,
 913         .use_pmdown_time        = 1,
 914         .endianness             = 1,
 915         .non_legacy_dai_naming  = 1,
 916 };
 917
 918 /*** sun6i Codec ***/
 919
 920 /* mixer controls */
 921 static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
 922         SOC_DAPM_DOUBLE("DAC Playback Switch",
 923                         SUN6I_CODEC_OM_DACA_CTRL,
 924                         SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
 925                         SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
 926         SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
 927                         SUN6I_CODEC_OM_DACA_CTRL,
 928                         SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
 929                         SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
 930         SOC_DAPM_DOUBLE("Line In Playback Switch",
 931                         SUN6I_CODEC_OM_DACA_CTRL,
 932                         SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
 933                         SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
 934         SOC_DAPM_DOUBLE("Mic1 Playback Switch",
 935                         SUN6I_CODEC_OM_DACA_CTRL,
 936                         SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
 937                         SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
 938         SOC_DAPM_DOUBLE("Mic2 Playback Switch",
 939                         SUN6I_CODEC_OM_DACA_CTRL,
 940                         SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
 941                         SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
 942 };
 943
 944 /* ADC mixer controls */
 945 static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
 946         SOC_DAPM_DOUBLE("Mixer Capture Switch",
 947                         SUN6I_CODEC_ADC_ACTL,
 948                         SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
 949                         SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
 950         SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
 951                         SUN6I_CODEC_ADC_ACTL,
 952                         SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
 953                         SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
 954         SOC_DAPM_DOUBLE("Line In Capture Switch",
 955                         SUN6I_CODEC_ADC_ACTL,
 956                         SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
 957                         SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
 958         SOC_DAPM_DOUBLE("Mic1 Capture Switch",
 959                         SUN6I_CODEC_ADC_ACTL,
 960                         SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
 961                         SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
 962         SOC_DAPM_DOUBLE("Mic2 Capture Switch",
 963                         SUN6I_CODEC_ADC_ACTL,
 964                         SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
 965                         SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
 966 };
 967
 968 /* headphone controls */
 969 static const char * const sun6i_codec_hp_src_enum_text[] = {
 970         "DAC", "Mixer",
 971 };
 972
 973 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
 974                             SUN6I_CODEC_OM_DACA_CTRL,
 975                             SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
 976                             SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
 977                             sun6i_codec_hp_src_enum_text);
 978
 979 static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
 980         SOC_DAPM_ENUM("Headphone Source Playback Route",
 981                       sun6i_codec_hp_src_enum),
 982 };
 983
 984 /* microphone controls */
 985 static const char * const sun6i_codec_mic2_src_enum_text[] = {
 986         "Mic2", "Mic3",
 987 };
 988
 989 static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
 990                             SUN6I_CODEC_MIC_CTRL,
 991                             SUN6I_CODEC_MIC_CTRL_MIC2SLT,
 992                             sun6i_codec_mic2_src_enum_text);
 993
 994 static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
 995         SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
 996                       sun6i_codec_mic2_src_enum),
 997 };
 998
 999 /* line out controls */
1000 static const char * const sun6i_codec_lineout_src_enum_text[] = {
1001         "Stereo", "Mono Differential",
1002 };
1003
1004 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
1005                             SUN6I_CODEC_MIC_CTRL,
1006                             SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
1007                             SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
1008                             sun6i_codec_lineout_src_enum_text);
1009
1010 static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
1011         SOC_DAPM_ENUM("Line Out Source Playback Route",
1012                       sun6i_codec_lineout_src_enum),
1013 };
1014
1015 /* volume / mute controls */
1016 static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
1017 static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
1018 static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
1019                                   -450, 150, 0);
1020 static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
1021         0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
1022         2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
1023 );
1024 static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
1025         0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
1026         1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
1027 );
1028
1029 static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
1030         SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
1031                        SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
1032                        sun6i_codec_dvol_scale),
1033         SOC_SINGLE_TLV("Headphone Playback Volume",
1034                        SUN6I_CODEC_OM_DACA_CTRL,
1035                        SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
1036                        sun6i_codec_hp_vol_scale),
1037         SOC_SINGLE_TLV("Line Out Playback Volume",
1038                        SUN6I_CODEC_MIC_CTRL,
1039                        SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
1040                        sun6i_codec_lineout_vol_scale),
1041         SOC_DOUBLE("Headphone Playback Switch",
1042                    SUN6I_CODEC_OM_DACA_CTRL,
1043                    SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
1044                    SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
1045         SOC_DOUBLE("Line Out Playback Switch",
1046                    SUN6I_CODEC_MIC_CTRL,
1047                    SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
1048                    SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
1049         /* Mixer pre-gains */
1050         SOC_SINGLE_TLV("Line In Playback Volume",
1051                        SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
1052                        0x7, 0, sun6i_codec_out_mixer_pregain_scale),
1053         SOC_SINGLE_TLV("Mic1 Playback Volume",
1054                        SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
1055                        0x7, 0, sun6i_codec_out_mixer_pregain_scale),
1056         SOC_SINGLE_TLV("Mic2 Playback Volume",
1057                        SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
1058                        0x7, 0, sun6i_codec_out_mixer_pregain_scale),
1059
1060         /* Microphone Amp boost gains */
1061         SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
1062                        SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
1063                        sun6i_codec_mic_gain_scale),
1064         SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
1065                        SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
1066                        sun6i_codec_mic_gain_scale),
1067         SOC_DOUBLE_TLV("ADC Capture Volume",
1068                        SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
1069                        SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
1070                        sun6i_codec_out_mixer_pregain_scale),
1071 };
1072
1073 static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
1074         /* Microphone inputs */
1075         SND_SOC_DAPM_INPUT("MIC1"),
1076         SND_SOC_DAPM_INPUT("MIC2"),
1077         SND_SOC_DAPM_INPUT("MIC3"),
1078
1079         /* Microphone Bias */
1080         SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
1081                             SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
1082         SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
1083                             SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),
1084
1085         /* Mic input path */
1086         SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
1087                          SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
1088         SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
1089                          SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
1090         SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
1091                          SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),
1092
1093         /* Line In */
1094         SND_SOC_DAPM_INPUT("LINEIN"),
1095
1096         /* Digital parts of the ADCs */
1097         SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
1098                             SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
1099                             NULL, 0),
1100
1101         /* Analog parts of the ADCs */
1102         SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
1103                          SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
1104         SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
1105                          SUN6I_CODEC_ADC_ACTL_ADCREN, 0),
1106
1107         /* ADC Mixers */
1108         SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1109                         sun6i_codec_adc_mixer_controls),
1110         SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1111                         sun6i_codec_adc_mixer_controls),
1112
1113         /* Digital parts of the DACs */
1114         SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1115                             SUN4I_CODEC_DAC_DPC_EN_DA, 0,
1116                             NULL, 0),
1117
1118         /* Analog parts of the DACs */
1119         SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
1120                          SUN6I_CODEC_OM_DACA_CTRL,
1121                          SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
1122         SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
1123                          SUN6I_CODEC_OM_DACA_CTRL,
1124                          SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),
1125
1126         /* Mixers */
1127         SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
1128                         SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
1129                         sun6i_codec_mixer_controls),
1130         SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
1131                         SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
1132                         sun6i_codec_mixer_controls),
1133
1134         /* Headphone output path */
1135         SND_SOC_DAPM_MUX("Headphone Source Playback Route",
1136                          SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
1137         SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
1138                              SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
1139         SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
1140                             SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
1141         SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
1142                          SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
1143         SND_SOC_DAPM_OUTPUT("HP"),
1144
1145         /* Line Out path */
1146         SND_SOC_DAPM_MUX("Line Out Source Playback Route",
1147                          SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
1148         SND_SOC_DAPM_OUTPUT("LINEOUT"),
1149 };
1150
1151 static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
1152         /* DAC Routes */
1153         { "Left DAC", NULL, "DAC Enable" },
1154         { "Right DAC", NULL, "DAC Enable" },
1155
1156         /* Microphone Routes */
1157         { "Mic1 Amplifier", NULL, "MIC1"},
1158         { "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
1159         { "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
1160         { "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},
1161
1162         /* Left Mixer Routes */
1163         { "Left Mixer", "DAC Playback Switch", "Left DAC" },
1164         { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
1165         { "Left Mixer", "Line In Playback Switch", "LINEIN" },
1166         { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1167         { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1168
1169         /* Right Mixer Routes */
1170         { "Right Mixer", "DAC Playback Switch", "Right DAC" },
1171         { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
1172         { "Right Mixer", "Line In Playback Switch", "LINEIN" },
1173         { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
1174         { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
1175
1176         /* Left ADC Mixer Routes */
1177         { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
1178         { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
1179         { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
1180         { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1181         { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1182
1183         /* Right ADC Mixer Routes */
1184         { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
1185         { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
1186         { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
1187         { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
1188         { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
1189
1190         /* Headphone Routes */
1191         { "Headphone Source Playback Route", "DAC", "Left DAC" },
1192         { "Headphone Source Playback Route", "DAC", "Right DAC" },
1193         { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
1194         { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
1195         { "Headphone Amp", NULL, "Headphone Source Playback Route" },
1196         { "HP", NULL, "Headphone Amp" },
1197         { "HPCOM", NULL, "HPCOM Protection" },
1198
1199         /* Line Out Routes */
1200         { "Line Out Source Playback Route", "Stereo", "Left Mixer" },
1201         { "Line Out Source Playback Route", "Stereo", "Right Mixer" },
1202         { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
1203         { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
1204         { "LINEOUT", NULL, "Line Out Source Playback Route" },
1205
1206         /* ADC Routes */
1207         { "Left ADC", NULL, "ADC Enable" },
1208         { "Right ADC", NULL, "ADC Enable" },
1209         { "Left ADC", NULL, "Left ADC Mixer" },
1210         { "Right ADC", NULL, "Right ADC Mixer" },
1211 };
1212
1213 static const struct snd_soc_component_driver sun6i_codec_codec = {
1214         .controls               = sun6i_codec_codec_widgets,
1215         .num_controls           = ARRAY_SIZE(sun6i_codec_codec_widgets),
1216         .dapm_widgets           = sun6i_codec_codec_dapm_widgets,
1217         .num_dapm_widgets       = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
1218         .dapm_routes            = sun6i_codec_codec_dapm_routes,
1219         .num_dapm_routes        = ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
1220         .idle_bias_on           = 1,
1221         .use_pmdown_time        = 1,
1222         .endianness             = 1,
1223         .non_legacy_dai_naming  = 1,
1224 };
1225
1226 /* sun8i A23 codec */
1227 static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
1228         SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
1229                        SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
1230                        sun6i_codec_dvol_scale),
1231 };
1232
1233 static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
1234         /* Digital parts of the ADCs */
1235         SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
1236                             SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
1237         /* Digital parts of the DACs */
1238         SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
1239                             SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),
1240
1241 };
1242
1243 static const struct snd_soc_component_driver sun8i_a23_codec_codec = {
1244         .controls               = sun8i_a23_codec_codec_controls,
1245         .num_controls           = ARRAY_SIZE(sun8i_a23_codec_codec_controls),
1246         .dapm_widgets           = sun8i_a23_codec_codec_widgets,
1247         .num_dapm_widgets       = ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
1248         .idle_bias_on           = 1,
1249         .use_pmdown_time        = 1,
1250         .endianness             = 1,
1251         .non_legacy_dai_naming  = 1,
1252 };
1253
1254 static const struct snd_soc_component_driver sun4i_codec_component = {
1255         .name = "sun4i-codec",
1256 };
1257
1258 #define SUN4I_CODEC_RATES       SNDRV_PCM_RATE_CONTINUOUS
1259 #define SUN4I_CODEC_FORMATS     (SNDRV_PCM_FMTBIT_S16_LE | \
1260                                  SNDRV_PCM_FMTBIT_S32_LE)
1261
1262 static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
1263 {
1264         struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
1265         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1266
1267         snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
1268                                   &scodec->capture_dma_data);
1269
1270         return 0;
1271 }
1272
1273 static struct snd_soc_dai_driver dummy_cpu_dai = {
1274         .name   = "sun4i-codec-cpu-dai",
1275         .probe  = sun4i_codec_dai_probe,
1276         .playback = {
1277                 .stream_name    = "Playback",
1278                 .channels_min   = 1,
1279                 .channels_max   = 2,
1280                 .rates          = SUN4I_CODEC_RATES,
1281                 .formats        = SUN4I_CODEC_FORMATS,
1282                 .sig_bits       = 24,
1283         },
1284         .capture = {
1285                 .stream_name    = "Capture",
1286                 .channels_min   = 1,
1287                 .channels_max   = 2,
1288                 .rates          = SUN4I_CODEC_RATES,
1289                 .formats        = SUN4I_CODEC_FORMATS,
1290                 .sig_bits       = 24,
1291          },
1292 };
1293
1294 static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
1295                                                         int *num_links)
1296 {
1297         struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
1298                                                      GFP_KERNEL);
1299         if (!link)
1300                 return NULL;
1301
1302         link->name              = "cdc";
1303         link->stream_name       = "CDC PCM";
1304         link->codec_dai_name    = "Codec";
1305         link->cpu_dai_name      = dev_name(dev);
1306         link->codec_name        = dev_name(dev);
1307         link->platform_name     = dev_name(dev);
1308         link->dai_fmt           = SND_SOC_DAIFMT_I2S;
1309
1310         *num_links = 1;
1311
1312         return link;
1313 };
1314
1315 static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
1316                                  struct snd_kcontrol *k, int event)
1317 {
1318         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);
1319
1320         gpiod_set_value_cansleep(scodec->gpio_pa,
1321                                  !!SND_SOC_DAPM_EVENT_ON(event));
1322
1323         return 0;
1324 }
1325
1326 static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
1327         SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1328 };
1329
1330 static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
1331         { "Speaker", NULL, "HP Right" },
1332         { "Speaker", NULL, "HP Left" },
1333 };
1334
1335 static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
1336 {
1337         struct snd_soc_card *card;
1338
1339         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1340         if (!card)
1341                 return ERR_PTR(-ENOMEM);
1342
1343         card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1344         if (!card->dai_link)
1345                 return ERR_PTR(-ENOMEM);
1346
1347         card->dev               = dev;
1348         card->name              = "sun4i-codec";
1349         card->dapm_widgets      = sun4i_codec_card_dapm_widgets;
1350         card->num_dapm_widgets  = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
1351         card->dapm_routes       = sun4i_codec_card_dapm_routes;
1352         card->num_dapm_routes   = ARRAY_SIZE(sun4i_codec_card_dapm_routes);
1353
1354         return card;
1355 };
1356
1357 static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
1358         SND_SOC_DAPM_HP("Headphone", NULL),
1359         SND_SOC_DAPM_LINE("Line In", NULL),
1360         SND_SOC_DAPM_LINE("Line Out", NULL),
1361         SND_SOC_DAPM_MIC("Headset Mic", NULL),
1362         SND_SOC_DAPM_MIC("Mic", NULL),
1363         SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
1364 };
1365
1366 static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
1367 {
1368         struct snd_soc_card *card;
1369         int ret;
1370
1371         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1372         if (!card)
1373                 return ERR_PTR(-ENOMEM);
1374
1375         card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1376         if (!card->dai_link)
1377                 return ERR_PTR(-ENOMEM);
1378
1379         card->dev               = dev;
1380         card->name              = "A31 Audio Codec";
1381         card->dapm_widgets      = sun6i_codec_card_dapm_widgets;
1382         card->num_dapm_widgets  = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1383         card->fully_routed      = true;
1384
1385         ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1386         if (ret)
1387                 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1388
1389         return card;
1390 };
1391
1392 /* Connect digital side enables to analog side widgets */
1393 static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
1394         /* ADC Routes */
1395         { "Left ADC", NULL, "ADC Enable" },
1396         { "Right ADC", NULL, "ADC Enable" },
1397         { "Codec Capture", NULL, "Left ADC" },
1398         { "Codec Capture", NULL, "Right ADC" },
1399
1400         /* DAC Routes */
1401         { "Left DAC", NULL, "DAC Enable" },
1402         { "Right DAC", NULL, "DAC Enable" },
1403         { "Left DAC", NULL, "Codec Playback" },
1404         { "Right DAC", NULL, "Codec Playback" },
1405 };
1406
1407 static struct snd_soc_aux_dev aux_dev = {
1408         .name = "Codec Analog Controls",
1409 };
1410
1411 static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
1412 {
1413         struct snd_soc_card *card;
1414         int ret;
1415
1416         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1417         if (!card)
1418                 return ERR_PTR(-ENOMEM);
1419
1420         aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1421                                                  "allwinner,codec-analog-controls",
1422                                                  0);
1423         if (!aux_dev.codec_of_node) {
1424                 dev_err(dev, "Can't find analog controls for codec.\n");
1425                 return ERR_PTR(-EINVAL);
1426         };
1427
1428         card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1429         if (!card->dai_link)
1430                 return ERR_PTR(-ENOMEM);
1431
1432         card->dev               = dev;
1433         card->name              = "A23 Audio Codec";
1434         card->dapm_widgets      = sun6i_codec_card_dapm_widgets;
1435         card->num_dapm_widgets  = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1436         card->dapm_routes       = sun8i_codec_card_routes;
1437         card->num_dapm_routes   = ARRAY_SIZE(sun8i_codec_card_routes);
1438         card->aux_dev           = &aux_dev;
1439         card->num_aux_devs      = 1;
1440         card->fully_routed      = true;
1441
1442         ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1443         if (ret)
1444                 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1445
1446         return card;
1447 };
1448
1449 static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
1450 {
1451         struct snd_soc_card *card;
1452         int ret;
1453
1454         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1455         if (!card)
1456                 return ERR_PTR(-ENOMEM);
1457
1458         aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1459                                                  "allwinner,codec-analog-controls",
1460                                                  0);
1461         if (!aux_dev.codec_of_node) {
1462                 dev_err(dev, "Can't find analog controls for codec.\n");
1463                 return ERR_PTR(-EINVAL);
1464         };
1465
1466         card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1467         if (!card->dai_link)
1468                 return ERR_PTR(-ENOMEM);
1469
1470         card->dev               = dev;
1471         card->name              = "H3 Audio Codec";
1472         card->dapm_widgets      = sun6i_codec_card_dapm_widgets;
1473         card->num_dapm_widgets  = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1474         card->dapm_routes       = sun8i_codec_card_routes;
1475         card->num_dapm_routes   = ARRAY_SIZE(sun8i_codec_card_routes);
1476         card->aux_dev           = &aux_dev;
1477         card->num_aux_devs      = 1;
1478         card->fully_routed      = true;
1479
1480         ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1481         if (ret)
1482                 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1483
1484         return card;
1485 };
1486
1487 static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
1488 {
1489         struct snd_soc_card *card;
1490         int ret;
1491
1492         card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
1493         if (!card)
1494                 return ERR_PTR(-ENOMEM);
1495
1496         aux_dev.codec_of_node = of_parse_phandle(dev->of_node,
1497                                                  "allwinner,codec-analog-controls",
1498                                                  0);
1499         if (!aux_dev.codec_of_node) {
1500                 dev_err(dev, "Can't find analog controls for codec.\n");
1501                 return ERR_PTR(-EINVAL);
1502         };
1503
1504         card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
1505         if (!card->dai_link)
1506                 return ERR_PTR(-ENOMEM);
1507
1508         card->dev               = dev;
1509         card->name              = "V3s Audio Codec";
1510         card->dapm_widgets      = sun6i_codec_card_dapm_widgets;
1511         card->num_dapm_widgets  = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
1512         card->dapm_routes       = sun8i_codec_card_routes;
1513         card->num_dapm_routes   = ARRAY_SIZE(sun8i_codec_card_routes);
1514         card->aux_dev           = &aux_dev;
1515         card->num_aux_devs      = 1;
1516         card->fully_routed      = true;
1517
1518         ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
1519         if (ret)
1520                 dev_warn(dev, "failed to parse audio-routing: %d\n", ret);
1521
1522         return card;
1523 };
1524
1525 static const struct regmap_config sun4i_codec_regmap_config = {
1526         .reg_bits       = 32,
1527         .reg_stride     = 4,
1528         .val_bits       = 32,
1529         .max_register   = SUN4I_CODEC_ADC_RXCNT,
1530 };
1531
1532 static const struct regmap_config sun6i_codec_regmap_config = {
1533         .reg_bits       = 32,
1534         .reg_stride     = 4,
1535         .val_bits       = 32,
1536         .max_register   = SUN6I_CODEC_HMIC_DATA,
1537 };
1538
1539 static const struct regmap_config sun7i_codec_regmap_config = {
1540         .reg_bits       = 32,
1541         .reg_stride     = 4,
1542         .val_bits       = 32,
1543         .max_register   = SUN7I_CODEC_AC_MIC_PHONE_CAL,
1544 };
1545
1546 static const struct regmap_config sun8i_a23_codec_regmap_config = {
1547         .reg_bits       = 32,
1548         .reg_stride     = 4,
1549         .val_bits       = 32,
1550         .max_register   = SUN8I_A23_CODEC_ADC_RXCNT,
1551 };
1552
1553 static const struct regmap_config sun8i_h3_codec_regmap_config = {
1554         .reg_bits       = 32,
1555         .reg_stride     = 4,
1556         .val_bits       = 32,
1557         .max_register   = SUN8I_H3_CODEC_ADC_DBG,
1558 };
1559
1560 static const struct regmap_config sun8i_v3s_codec_regmap_config = {
1561         .reg_bits       = 32,
1562         .reg_stride     = 4,
1563         .val_bits       = 32,
1564         .max_register   = SUN8I_H3_CODEC_ADC_DBG,
1565 };
1566
1567 struct sun4i_codec_quirks {
1568         const struct regmap_config *regmap_config;
1569         const struct snd_soc_component_driver *codec;
1570         struct snd_soc_card * (*create_card)(struct device *dev);
1571         struct reg_field reg_adc_fifoc; /* used for regmap_field */
1572         unsigned int reg_dac_txdata;    /* TX FIFO offset for DMA config */
1573         unsigned int reg_adc_rxdata;    /* RX FIFO offset for DMA config */
1574         bool has_reset;
1575 };
1576
1577 static const struct sun4i_codec_quirks sun4i_codec_quirks = {
1578         .regmap_config  = &sun4i_codec_regmap_config,
1579         .codec          = &sun4i_codec_codec,
1580         .create_card    = sun4i_codec_create_card,
1581         .reg_adc_fifoc  = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1582         .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1583         .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1584 };
1585
1586 static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
1587         .regmap_config  = &sun6i_codec_regmap_config,
1588         .codec          = &sun6i_codec_codec,
1589         .create_card    = sun6i_codec_create_card,
1590         .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1591         .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1592         .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1593         .has_reset      = true,
1594 };
1595
1596 static const struct sun4i_codec_quirks sun7i_codec_quirks = {
1597         .regmap_config  = &sun7i_codec_regmap_config,
1598         .codec          = &sun7i_codec_codec,
1599         .create_card    = sun4i_codec_create_card,
1600         .reg_adc_fifoc  = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
1601         .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1602         .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
1603 };
1604
1605 static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
1606         .regmap_config  = &sun8i_a23_codec_regmap_config,
1607         .codec          = &sun8i_a23_codec_codec,
1608         .create_card    = sun8i_a23_codec_create_card,
1609         .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1610         .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
1611         .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1612         .has_reset      = true,
1613 };
1614
1615 static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
1616         .regmap_config  = &sun8i_h3_codec_regmap_config,
1617         /*
1618          * TODO Share the codec structure with A23 for now.
1619          * This should be split out when adding digital audio
1620          * processing support for the H3.
1621          */
1622         .codec          = &sun8i_a23_codec_codec,
1623         .create_card    = sun8i_h3_codec_create_card,
1624         .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1625         .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1626         .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1627         .has_reset      = true,
1628 };
1629
1630 static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
1631         .regmap_config  = &sun8i_v3s_codec_regmap_config,
1632         /*
1633          * TODO The codec structure should be split out, like
1634          * H3, when adding digital audio processing support.
1635          */
1636         .codec          = &sun8i_a23_codec_codec,
1637         .create_card    = sun8i_v3s_codec_create_card,
1638         .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
1639         .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
1640         .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
1641         .has_reset      = true,
1642 };
1643
1644 static const struct of_device_id sun4i_codec_of_match[] = {
1645         {
1646                 .compatible = "allwinner,sun4i-a10-codec",
1647                 .data = &sun4i_codec_quirks,
1648         },
1649         {
1650                 .compatible = "allwinner,sun6i-a31-codec",
1651                 .data = &sun6i_a31_codec_quirks,
1652         },
1653         {
1654                 .compatible = "allwinner,sun7i-a20-codec",
1655                 .data = &sun7i_codec_quirks,
1656         },
1657         {
1658                 .compatible = "allwinner,sun8i-a23-codec",
1659                 .data = &sun8i_a23_codec_quirks,
1660         },
1661         {
1662                 .compatible = "allwinner,sun8i-h3-codec",
1663                 .data = &sun8i_h3_codec_quirks,
1664         },
1665         {
1666                 .compatible = "allwinner,sun8i-v3s-codec",
1667                 .data = &sun8i_v3s_codec_quirks,
1668         },
1669         {}
1670 };
1671 MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);
1672
1673 static int sun4i_codec_probe(struct platform_device *pdev)
1674 {
1675         struct snd_soc_card *card;
1676         struct sun4i_codec *scodec;
1677         const struct sun4i_codec_quirks *quirks;
1678         struct resource *res;
1679         void __iomem *base;
1680         int ret;
1681
1682         scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
1683         if (!scodec)
1684                 return -ENOMEM;
1685
1686         scodec->dev = &pdev->dev;
1687
1688         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1689         base = devm_ioremap_resource(&pdev->dev, res);
1690         if (IS_ERR(base)) {
1691                 dev_err(&pdev->dev, "Failed to map the registers\n");
1692                 return PTR_ERR(base);
1693         }
1694
1695         quirks = of_device_get_match_data(&pdev->dev);
1696         if (quirks == NULL) {
1697                 dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
1698                 return -ENODEV;
1699         }
1700
1701         scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
1702                                                quirks->regmap_config);
1703         if (IS_ERR(scodec->regmap)) {
1704                 dev_err(&pdev->dev, "Failed to create our regmap\n");
1705                 return PTR_ERR(scodec->regmap);
1706         }
1707
1708         /* Get the clocks from the DT */
1709         scodec->clk_apb = devm_clk_get(&pdev->dev, "apb");
1710         if (IS_ERR(scodec->clk_apb)) {
1711                 dev_err(&pdev->dev, "Failed to get the APB clock\n");
1712                 return PTR_ERR(scodec->clk_apb);
1713         }
1714
1715         scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
1716         if (IS_ERR(scodec->clk_module)) {
1717                 dev_err(&pdev->dev, "Failed to get the module clock\n");
1718                 return PTR_ERR(scodec->clk_module);
1719         }
1720
1721         if (quirks->has_reset) {
1722                 scodec->rst = devm_reset_control_get_exclusive(&pdev->dev,
1723                                                                NULL);
1724                 if (IS_ERR(scodec->rst)) {
1725                         dev_err(&pdev->dev, "Failed to get reset control\n");
1726                         return PTR_ERR(scodec->rst);
1727                 }
1728         }
1729
1730         scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
1731                                                   GPIOD_OUT_LOW);
1732         if (IS_ERR(scodec->gpio_pa)) {
1733                 ret = PTR_ERR(scodec->gpio_pa);
1734                 if (ret != -EPROBE_DEFER)
1735                         dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret);
1736                 return ret;
1737         }
1738
1739         /* reg_field setup */
1740         scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
1741                                                         scodec->regmap,
1742                                                         quirks->reg_adc_fifoc);
1743         if (IS_ERR(scodec->reg_adc_fifoc)) {
1744                 ret = PTR_ERR(scodec->reg_adc_fifoc);
1745                 dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
1746                         ret);
1747                 return ret;
1748         }
1749
1750         /* Enable the bus clock */
1751         if (clk_prepare_enable(scodec->clk_apb)) {
1752                 dev_err(&pdev->dev, "Failed to enable the APB clock\n");
1753                 return -EINVAL;
1754         }
1755
1756         /* Deassert the reset control */
1757         if (scodec->rst) {
1758                 ret = reset_control_deassert(scodec->rst);
1759                 if (ret) {
1760                         dev_err(&pdev->dev,
1761                                 "Failed to deassert the reset control\n");
1762                         goto err_clk_disable;
1763                 }
1764         }
1765
1766         /* DMA configuration for TX FIFO */
1767         scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
1768         scodec->playback_dma_data.maxburst = 8;
1769         scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1770
1771         /* DMA configuration for RX FIFO */
1772         scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
1773         scodec->capture_dma_data.maxburst = 8;
1774         scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
1775
1776         ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec,
1777                                      &sun4i_codec_dai, 1);
1778         if (ret) {
1779                 dev_err(&pdev->dev, "Failed to register our codec\n");
1780                 goto err_assert_reset;
1781         }
1782
1783         ret = devm_snd_soc_register_component(&pdev->dev,
1784                                               &sun4i_codec_component,
1785                                               &dummy_cpu_dai, 1);
1786         if (ret) {
1787                 dev_err(&pdev->dev, "Failed to register our DAI\n");
1788                 goto err_assert_reset;
1789         }
1790
1791         ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
1792         if (ret) {
1793                 dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
1794                 goto err_assert_reset;
1795         }
1796
1797         card = quirks->create_card(&pdev->dev);
1798         if (IS_ERR(card)) {
1799                 ret = PTR_ERR(card);
1800                 dev_err(&pdev->dev, "Failed to create our card\n");
1801                 goto err_assert_reset;
1802         }
1803
1804         snd_soc_card_set_drvdata(card, scodec);
1805
1806         ret = snd_soc_register_card(card);
1807         if (ret) {
1808                 dev_err(&pdev->dev, "Failed to register our card\n");
1809                 goto err_assert_reset;
1810         }
1811
1812         return 0;
1813
1814 err_assert_reset:
1815         if (scodec->rst)
1816                 reset_control_assert(scodec->rst);
1817 err_clk_disable:
1818         clk_disable_unprepare(scodec->clk_apb);
1819         return ret;
1820 }
1821
1822 static int sun4i_codec_remove(struct platform_device *pdev)
1823 {
1824         struct snd_soc_card *card = platform_get_drvdata(pdev);
1825         struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
1826
1827         snd_soc_unregister_card(card);
1828         if (scodec->rst)
1829                 reset_control_assert(scodec->rst);
1830         clk_disable_unprepare(scodec->clk_apb);
1831
1832         return 0;
1833 }
1834
1835 static struct platform_driver sun4i_codec_driver = {
1836         .driver = {
1837                 .name = "sun4i-codec",
1838                 .of_match_table = sun4i_codec_of_match,
1839         },
1840         .probe = sun4i_codec_probe,
1841         .remove = sun4i_codec_remove,
1842 };
1843 module_platform_driver(sun4i_codec_driver);
1844
1845 MODULE_DESCRIPTION("Allwinner A10 codec driver");
1846 MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
1847 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
1848 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
1849 MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
1850 MODULE_LICENSE("GPL");