Quelle  sun4i-codec.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2014 Emilio López <emilio@elopez.com.ar>
 * Copyright 2014 Jon Smirl <jonsmirl@gmail.com>
 * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com>
 * Copyright 2015 Adam Sampson <ats@offog.org>
 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
 * Copyright 2018 Mesih Kilinc <mesihkilinc@gmail.com>
 *
 * Based on the Allwinner SDK driver, released under the GPL.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include <linux/gpio/consumer.h>

#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <sound/initval.h>
#include <sound/dmaengine_pcm.h>

/* Codec DAC digital controls and FIFO registers */
#define SUN4I_CODEC_DAC_DPC   (0x00)
#define SUN4I_CODEC_DAC_DPC_EN_DA   (31)
#define SUN4I_CODEC_DAC_DPC_DVOL   (12)
#define SUN4I_CODEC_DAC_FIFOC   (0x04)
#define SUN4I_CODEC_DAC_FIFOC_DAC_FS   (29)
#define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION  (28)
#define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT  (26)
#define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE  (24)
#define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT  (21)
#define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL  (8)
#define SUN4I_CODEC_DAC_FIFOC_MONO_EN   (6)
#define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS  (5)
#define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN  (4)
#define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH  (0)
#define SUN4I_CODEC_DAC_FIFOS   (0x08)
#define SUN4I_CODEC_DAC_TXDATA   (0x0c)

/* Codec DAC side analog signal controls */
#define SUN4I_CODEC_DAC_ACTL   (0x10)
#define SUN4I_CODEC_DAC_ACTL_DACAENR   (31)
#define SUN4I_CODEC_DAC_ACTL_DACAENL   (30)
#define SUN4I_CODEC_DAC_ACTL_MIXEN   (29)
#define SUN4I_CODEC_DAC_ACTL_LNG   (26)
#define SUN4I_CODEC_DAC_ACTL_FMG   (23)
#define SUN4I_CODEC_DAC_ACTL_MICG   (20)
#define SUN4I_CODEC_DAC_ACTL_LLNS   (19)
#define SUN4I_CODEC_DAC_ACTL_RLNS   (18)
#define SUN4I_CODEC_DAC_ACTL_LFMS   (17)
#define SUN4I_CODEC_DAC_ACTL_RFMS   (16)
#define SUN4I_CODEC_DAC_ACTL_LDACLMIXS   (15)
#define SUN4I_CODEC_DAC_ACTL_RDACRMIXS   (14)
#define SUN4I_CODEC_DAC_ACTL_LDACRMIXS   (13)
#define SUN4I_CODEC_DAC_ACTL_MIC1LS   (12)
#define SUN4I_CODEC_DAC_ACTL_MIC1RS   (11)
#define SUN4I_CODEC_DAC_ACTL_MIC2LS   (10)
#define SUN4I_CODEC_DAC_ACTL_MIC2RS   (9)
#define SUN4I_CODEC_DAC_ACTL_DACPAS   (8)
#define SUN4I_CODEC_DAC_ACTL_MIXPAS   (7)
#define SUN4I_CODEC_DAC_ACTL_PA_MUTE   (6)
#define SUN4I_CODEC_DAC_ACTL_PA_VOL   (0)
#define SUN4I_CODEC_DAC_TUNE   (0x14)
#define SUN4I_CODEC_DAC_DEBUG   (0x18)

/* Codec ADC digital controls and FIFO registers */
#define SUN4I_CODEC_ADC_FIFOC   (0x1c)
#define SUN4I_CODEC_ADC_FIFOC_ADC_FS   (29)
#define SUN4I_CODEC_ADC_FIFOC_EN_AD   (28)
#define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE  (24)
#define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL  (8)
#define SUN4I_CODEC_ADC_FIFOC_MONO_EN   (7)
#define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS  (6)
#define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN  (4)
#define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH  (0)
#define SUN4I_CODEC_ADC_FIFOS   (0x20)
#define SUN4I_CODEC_ADC_RXDATA   (0x24)

/* Codec ADC side analog signal controls */
#define SUN4I_CODEC_ADC_ACTL   (0x28)
#define SUN4I_CODEC_ADC_ACTL_ADC_R_EN   (31)
#define SUN4I_CODEC_ADC_ACTL_ADC_L_EN   (30)
#define SUN4I_CODEC_ADC_ACTL_PREG1EN   (29)
#define SUN4I_CODEC_ADC_ACTL_PREG2EN   (28)
#define SUN4I_CODEC_ADC_ACTL_VMICEN   (27)
#define SUN4I_CODEC_ADC_ACTL_PREG1   (25)
#define SUN4I_CODEC_ADC_ACTL_PREG2   (23)
#define SUN4I_CODEC_ADC_ACTL_VADCG   (20)
#define SUN4I_CODEC_ADC_ACTL_ADCIS   (17)
#define SUN4I_CODEC_ADC_ACTL_LNPREG   (13)
#define SUN4I_CODEC_ADC_ACTL_PA_EN   (4)
#define SUN4I_CODEC_ADC_ACTL_DDE   (3)
#define SUN4I_CODEC_ADC_DEBUG   (0x2c)

/* FIFO counters */
#define SUN4I_CODEC_DAC_TXCNT   (0x30)
#define SUN4I_CODEC_ADC_RXCNT   (0x34)

/* Calibration register (sun7i only) */
#define SUN7I_CODEC_AC_DAC_CAL   (0x38)

/* Microphone controls (sun7i only) */
#define SUN7I_CODEC_AC_MIC_PHONE_CAL  (0x3c)

#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1  (29)
#define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2  (26)

/*
 * sun6i specific registers
 *
 * sun6i shares the same digital control and FIFO registers as sun4i,
 * but only the DAC digital controls are at the same offset. The others
 * have been moved around to accommodate extra analog controls.
 */

/* Codec DAC digital controls and FIFO registers */
#define SUN6I_CODEC_ADC_FIFOC   (0x10)
#define SUN6I_CODEC_ADC_FIFOC_EN_AD   (28)
#define SUN6I_CODEC_ADC_FIFOS   (0x14)
#define SUN6I_CODEC_ADC_RXDATA   (0x18)

/* Output mixer and gain controls */
#define SUN6I_CODEC_OM_DACA_CTRL  (0x20)
#define SUN6I_CODEC_OM_DACA_CTRL_DACAREN  (31)
#define SUN6I_CODEC_OM_DACA_CTRL_DACALEN  (30)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN   (29)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN   (28)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1  (23)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2  (22)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE  (21)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP  (20)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR  (19)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR  (18)
#define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL  (17)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1  (16)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2  (15)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE  (14)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN  (13)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL  (12)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL  (11)
#define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR  (10)
#define SUN6I_CODEC_OM_DACA_CTRL_RHPIS   (9)
#define SUN6I_CODEC_OM_DACA_CTRL_LHPIS   (8)
#define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE  (7)
#define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE  (6)
#define SUN6I_CODEC_OM_DACA_CTRL_HPVOL   (0)
#define SUN6I_CODEC_OM_PA_CTRL   (0x24)
#define SUN6I_CODEC_OM_PA_CTRL_HPPAEN   (31)
#define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL  (29)
#define SUN6I_CODEC_OM_PA_CTRL_COMPTEN   (28)
#define SUN6I_CODEC_OM_PA_CTRL_MIC1G   (15)
#define SUN6I_CODEC_OM_PA_CTRL_MIC2G   (12)
#define SUN6I_CODEC_OM_PA_CTRL_LINEING   (9)
#define SUN6I_CODEC_OM_PA_CTRL_PHONEG   (6)
#define SUN6I_CODEC_OM_PA_CTRL_PHONEPG   (3)
#define SUN6I_CODEC_OM_PA_CTRL_PHONENG   (0)

/* Microphone, line out and phone out controls */
#define SUN6I_CODEC_MIC_CTRL   (0x28)
#define SUN6I_CODEC_MIC_CTRL_HBIASEN   (31)
#define SUN6I_CODEC_MIC_CTRL_MBIASEN   (30)
#define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN   (28)
#define SUN6I_CODEC_MIC_CTRL_MIC1BOOST   (25)
#define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN   (24)
#define SUN6I_CODEC_MIC_CTRL_MIC2BOOST   (21)
#define SUN6I_CODEC_MIC_CTRL_MIC2SLT   (20)
#define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN   (19)
#define SUN6I_CODEC_MIC_CTRL_LINEOUTREN   (18)
#define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC  (17)
#define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC  (16)
#define SUN6I_CODEC_MIC_CTRL_LINEOUTVC   (11)
#define SUN6I_CODEC_MIC_CTRL_PHONEPREG   (8)

/* ADC mixer controls */
#define SUN6I_CODEC_ADC_ACTL   (0x2c)
#define SUN6I_CODEC_ADC_ACTL_ADCREN   (31)
#define SUN6I_CODEC_ADC_ACTL_ADCLEN   (30)
#define SUN6I_CODEC_ADC_ACTL_ADCRG   (27)
#define SUN6I_CODEC_ADC_ACTL_ADCLG   (24)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1  (13)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2  (12)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE  (11)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP  (10)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR  (9)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR  (8)
#define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL  (7)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1  (6)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2  (5)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE  (4)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN  (3)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL  (2)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL  (1)
#define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR  (0)

/* Analog performance tuning controls */
#define SUN6I_CODEC_ADDA_TUNE   (0x30)

/* Calibration controls */
#define SUN6I_CODEC_CALIBRATION   (0x34)

/* FIFO counters */
#define SUN6I_CODEC_DAC_TXCNT   (0x40)
#define SUN6I_CODEC_ADC_RXCNT   (0x44)

/* headset jack detection and button support registers */
#define SUN6I_CODEC_HMIC_CTL   (0x50)
#define SUN6I_CODEC_HMIC_DATA   (0x54)

/* TODO sun6i DAP (Digital Audio Processing) bits */

/* FIFO counters moved on A23 */
#define SUN8I_A23_CODEC_DAC_TXCNT  (0x1c)
#define SUN8I_A23_CODEC_ADC_RXCNT  (0x20)

/* TX FIFO moved on H3 */
#define SUN8I_H3_CODEC_DAC_TXDATA  (0x20)
#define SUN8I_H3_CODEC_DAC_DBG   (0x48)
#define SUN8I_H3_CODEC_ADC_DBG   (0x4c)

/* H616 specific registers */
#define SUN50I_H616_CODEC_DAC_FIFOC  (0x10)

#define SUN50I_DAC_FIFO_STA   (0x14)
#define SUN50I_DAC_TXE_INT   (3)
#define SUN50I_DAC_TXU_INT   (2)
#define SUN50I_DAC_TXO_INT   (1)

#define SUN50I_DAC_CNT    (0x24)
#define SUN50I_DAC_DG_REG   (0x28)
#define SUN50I_DAC_DAP_CTL   (0xf0)

#define SUN50I_H616_DAC_AC_DAC_REG  (0x310)
#define SUN50I_H616_DAC_LEN   (15)
#define SUN50I_H616_DAC_REN   (14)
#define SUN50I_H616_LINEOUTL_EN   (13)
#define SUN50I_H616_LMUTE   (12)
#define SUN50I_H616_LINEOUTR_EN   (11)
#define SUN50I_H616_RMUTE   (10)
#define SUN50I_H616_RSWITCH   (9)
#define SUN50I_H616_RAMPEN   (8)
#define SUN50I_H616_LINEOUTL_SEL  (6)
#define SUN50I_H616_LINEOUTR_SEL  (5)
#define SUN50I_H616_LINEOUT_VOL   (0)

#define SUN50I_H616_DAC_AC_MIXER_REG  (0x314)
#define SUN50I_H616_LMIX_LDAC   (21)
#define SUN50I_H616_LMIX_RDAC   (20)
#define SUN50I_H616_RMIX_RDAC   (17)
#define SUN50I_H616_RMIX_LDAC   (16)
#define SUN50I_H616_LMIXEN   (11)
#define SUN50I_H616_RMIXEN   (10)

#define SUN50I_H616_DAC_AC_RAMP_REG  (0x31c)
#define SUN50I_H616_RAMP_STEP   (4)
#define SUN50I_H616_RDEN   (0)

/* TODO H3 DAP (Digital Audio Processing) bits */

#define SUN4I_DMA_MAX_BURST   (8)

/* suniv specific registers */

#define SUNIV_DMA_MAX_BURST   (4)

/* Codec DAC digital controls and FIFO registers */
#define SUNIV_CODEC_ADC_FIFOC   (0x10)
#define SUNIV_CODEC_ADC_FIFOC_EN_AD  (28)
#define SUNIV_CODEC_ADC_FIFOS   (0x14)
#define SUNIV_CODEC_ADC_RXDATA   (0x18)

/* Output mixer and gain controls */
#define SUNIV_CODEC_OM_DACA_CTRL   (0x20)
#define SUNIV_CODEC_OM_DACA_CTRL_DACAREN  (31)
#define SUNIV_CODEC_OM_DACA_CTRL_DACALEN  (30)
#define SUNIV_CODEC_OM_DACA_CTRL_RMIXEN   (29)
#define SUNIV_CODEC_OM_DACA_CTRL_LMIXEN   (28)
#define SUNIV_CODEC_OM_DACA_CTRL_RHPPAMUTE  (27)
#define SUNIV_CODEC_OM_DACA_CTRL_LHPPAMUTE  (26)
#define SUNIV_CODEC_OM_DACA_CTRL_RHPIS   (25)
#define SUNIV_CODEC_OM_DACA_CTRL_LHPIS   (24)
#define SUNIV_CODEC_OM_DACA_CTRL_HPCOM_CTL  (22)
#define SUNIV_CODEC_OM_DACA_CTRL_COMPTEN  (21)
#define SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_MICIN  (20)
#define SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_LINEIN (19)
#define SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_FMIN  (18)
#define SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_RDAC  (17)
#define SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_LDAC  (16)
#define SUNIV_CODEC_OM_DACA_CTRL_HPPAEN   (15)
#define SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_MICIN  (12)
#define SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_LINEIN (11)
#define SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_FMIN  (10)
#define SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_LDAC  (9)
#define SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_RDAC  (8)
#define SUNIV_CODEC_OM_DACA_CTRL_LTLNMUTE  (7)
#define SUNIV_CODEC_OM_DACA_CTRL_RTLNMUTE  (6)
#define SUNIV_CODEC_OM_DACA_CTRL_HPVOL   (0)

/* Analog Input Mixer controls */
#define SUNIV_CODEC_ADC_ACTL  (0x24)
#define SUNIV_CODEC_ADC_ADCEN  (31)
#define SUNIV_CODEC_ADC_MICG  (24)
#define SUNIV_CODEC_ADC_LINEINVOL (21)
#define SUNIV_CODEC_ADC_ADCG  (16)
#define SUNIV_CODEC_ADC_ADCMIX_MIC (13)
#define SUNIV_CODEC_ADC_ADCMIX_FMINL (12)
#define SUNIV_CODEC_ADC_ADCMIX_FMINR (11)
#define SUNIV_CODEC_ADC_ADCMIX_LINEIN (10)
#define SUNIV_CODEC_ADC_ADCMIX_LOUT (9)
#define SUNIV_CODEC_ADC_ADCMIX_ROUT (8)
#define SUNIV_CODEC_ADC_PASPEEDSELECT (7)
#define SUNIV_CODEC_ADC_FMINVOL  (4)
#define SUNIV_CODEC_ADC_MICAMPEN (3)
#define SUNIV_CODEC_ADC_MICBOOST (0)

#define SUNIV_CODEC_ADC_DBG  (0x4c)

struct sun4i_codec {
 struct device *dev;
 struct regmap *regmap;
 struct clk *clk_apb;
 struct clk *clk_module;
 struct reset_control *rst;
 struct gpio_desc *gpio_pa;
 struct gpio_desc *gpio_hp;

 /* ADC_FIFOC register is at different offset on different SoCs */
 struct regmap_field *reg_adc_fifoc;
 /* DAC_FIFOC register is at different offset on different SoCs */
 struct regmap_field *reg_dac_fifoc;

 struct snd_dmaengine_dai_dma_data capture_dma_data;
 struct snd_dmaengine_dai_dma_data playback_dma_data;
};

static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
{
 /* Flush TX FIFO */
 regmap_field_set_bits(scodec->reg_dac_fifoc,
         BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));

 /* Enable DAC DRQ */
 regmap_field_set_bits(scodec->reg_dac_fifoc,
         BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
}

static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
{
 /* Disable DAC DRQ */
 regmap_field_clear_bits(scodec->reg_dac_fifoc,
    BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
}

static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
{
 /* Enable ADC DRQ */
 regmap_field_set_bits(scodec->reg_adc_fifoc,
         BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
}

static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
{
 /* Disable ADC DRQ */
 regmap_field_clear_bits(scodec->reg_adc_fifoc,
     BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN));
}

static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
          struct snd_soc_dai *dai)
{
 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);

 switch (cmd) {
 case SNDRV_PCM_TRIGGER_START:
 case SNDRV_PCM_TRIGGER_RESUME:
 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
  if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
   sun4i_codec_start_playback(scodec);
  else
   sun4i_codec_start_capture(scodec);
  break;

 case SNDRV_PCM_TRIGGER_STOP:
 case SNDRV_PCM_TRIGGER_SUSPEND:
 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
  if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
   sun4i_codec_stop_playback(scodec);
  else
   sun4i_codec_stop_capture(scodec);
  break;

 default:
  return -EINVAL;
 }

 return 0;
}

static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
           struct snd_soc_dai *dai)
{
 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);


 /* Flush RX FIFO */
 regmap_field_set_bits(scodec->reg_adc_fifoc,
     BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH));


 /* Set RX FIFO trigger level */
 regmap_field_update_bits(scodec->reg_adc_fifoc,
     0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL,
     0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL);

 /*
 * FIXME: Undocumented in the datasheet, but
 *        Allwinner's code mentions that it is
 *        related to microphone gain
 */
 if (of_device_is_compatible(scodec->dev->of_node,
        "allwinner,sun4i-a10-codec") ||
     of_device_is_compatible(scodec->dev->of_node,
        "allwinner,sun7i-a20-codec")) {
  regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL,
       0x3 << 25,
       0x1 << 25);
 }

 if (of_device_is_compatible(scodec->dev->of_node,
        "allwinner,sun7i-a20-codec"))
  /* FIXME: Undocumented bits */
  regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE,
       0x3 << 8,
       0x1 << 8);

 return 0;
}

static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
     struct snd_soc_dai *dai)
{
 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 u32 val;

 /* Flush the TX FIFO */
 regmap_field_set_bits(scodec->reg_dac_fifoc,
         BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));

 /* Set TX FIFO Empty Trigger Level */
 regmap_field_update_bits(scodec->reg_dac_fifoc,
     0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
     0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);

 if (substream->runtime->rate > 32000)
  /* Use 64 bits FIR filter */
  val = 0;
 else
  /* Use 32 bits FIR filter */
  val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);

 regmap_field_update_bits(scodec->reg_dac_fifoc,
     BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
     val);

 /* Send zeros when we have an underrun */
 regmap_field_clear_bits(scodec->reg_dac_fifoc,
    BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT));

 return 0;
};

static int sun4i_codec_prepare(struct snd_pcm_substream *substream,
          struct snd_soc_dai *dai)
{
 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
  return sun4i_codec_prepare_playback(substream, dai);

 return sun4i_codec_prepare_capture(substream, dai);
}

static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params)
{
 unsigned int rate = params_rate(params);

 switch (rate) {
 case 176400:
 case 88200:
 case 44100:
 case 33075:
 case 22050:
 case 14700:
 case 11025:
 case 7350:
  return 22579200;

 case 192000:
 case 96000:
 case 48000:
 case 32000:
 case 24000:
 case 16000:
 case 12000:
 case 8000:
  return 24576000;

 default:
  return 0;
 }
}

static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params)
{
 unsigned int rate = params_rate(params);

 switch (rate) {
 case 192000:
 case 176400:
  return 6;

 case 96000:
 case 88200:
  return 7;

 case 48000:
 case 44100:
  return 0;

 case 32000:
 case 33075:
  return 1;

 case 24000:
 case 22050:
  return 2;

 case 16000:
 case 14700:
  return 3;

 case 12000:
 case 11025:
  return 4;

 case 8000:
 case 7350:
  return 5;

 default:
  return -EINVAL;
 }
}

static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
      struct snd_pcm_hw_params *params,
      unsigned int hwrate)
{
 /* Set ADC sample rate */
 regmap_field_update_bits(scodec->reg_adc_fifoc,
     7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
     hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS);

 /* Set the number of channels we want to use */
 if (params_channels(params) == 1)
  regmap_field_set_bits(scodec->reg_adc_fifoc,
      BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));
 else
  regmap_field_clear_bits(scodec->reg_adc_fifoc,
      BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN));

 /* Set the number of sample bits to either 16 or 24 bits */
 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
  regmap_field_set_bits(scodec->reg_adc_fifoc,
       BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));

  regmap_field_clear_bits(scodec->reg_adc_fifoc,
       BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));

  scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 } else {
  regmap_field_clear_bits(scodec->reg_adc_fifoc,
       BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS));

  /* Fill most significant bits with valid data MSB */
  regmap_field_set_bits(scodec->reg_adc_fifoc,
       BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE));

  scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
 }

 return 0;
}

static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
       struct snd_pcm_hw_params *params,
       unsigned int hwrate)
{
 u32 val;

 /* Set DAC sample rate */
 regmap_field_update_bits(scodec->reg_dac_fifoc,
     7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
     hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);

 /* Set the number of channels we want to use */
 if (params_channels(params) == 1)
  val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN);
 else
  val = 0;

 regmap_field_update_bits(scodec->reg_dac_fifoc,
     BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
     val);

 /* Set the number of sample bits to either 16 or 24 bits */
 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
  regmap_field_set_bits(scodec->reg_dac_fifoc,
          BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));

  /* Set TX FIFO mode to padding the LSBs with 0 */
  regmap_field_clear_bits(scodec->reg_dac_fifoc,
     BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));

  scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 } else {
  regmap_field_clear_bits(scodec->reg_dac_fifoc,
     BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));

  /* Set TX FIFO mode to repeat the MSB */
  regmap_field_set_bits(scodec->reg_dac_fifoc,
          BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));

  scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
 }

 return 0;
}

static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
     struct snd_pcm_hw_params *params,
     struct snd_soc_dai *dai)
{
 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 unsigned long clk_freq;
 int ret, hwrate;

 clk_freq = sun4i_codec_get_mod_freq(params);
 if (!clk_freq)
  return -EINVAL;

 ret = clk_set_rate(scodec->clk_module, clk_freq);
 if (ret)
  return ret;

 hwrate = sun4i_codec_get_hw_rate(params);
 if (hwrate < 0)
  return hwrate;

 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
  return sun4i_codec_hw_params_playback(scodec, params,
            hwrate);

 return sun4i_codec_hw_params_capture(scodec, params,
          hwrate);
}

static int sun4i_codec_startup(struct snd_pcm_substream *substream,
          struct snd_soc_dai *dai)
{
 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);

 /*
 * Stop issuing DRQ when we have room for less than 16 samples
 * in our TX FIFO
 */
 regmap_field_set_bits(scodec->reg_dac_fifoc,
         3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);

 return clk_prepare_enable(scodec->clk_module);
}

static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
     struct snd_soc_dai *dai)
{
 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);

 clk_disable_unprepare(scodec->clk_module);
}

static const struct snd_soc_dai_ops sun4i_codec_dai_ops = {
 .startup = sun4i_codec_startup,
 .shutdown = sun4i_codec_shutdown,
 .trigger = sun4i_codec_trigger,
 .hw_params = sun4i_codec_hw_params,
 .prepare = sun4i_codec_prepare,
};

#define SUN4I_CODEC_RATES (   \
  SNDRV_PCM_RATE_8000_48000 | \
  SNDRV_PCM_RATE_12000 |  \
  SNDRV_PCM_RATE_24000 |  \
  SNDRV_PCM_RATE_96000 |  \
  SNDRV_PCM_RATE_192000)

static struct snd_soc_dai_driver sun4i_codec_dai = {
 .name = "Codec",
 .ops = &sun4i_codec_dai_ops,
 .playback = {
  .stream_name = "Codec Playback",
  .channels_min = 1,
  .channels_max = 2,
  .rate_min = 8000,
  .rate_max = 192000,
  .rates  = SUN4I_CODEC_RATES,
  .formats = SNDRV_PCM_FMTBIT_S16_LE |
      SNDRV_PCM_FMTBIT_S32_LE,
  .sig_bits = 24,
 },
 .capture = {
  .stream_name = "Codec Capture",
  .channels_min = 1,
  .channels_max = 2,
  .rate_min = 8000,
  .rate_max = 48000,
  .rates  = SUN4I_CODEC_RATES,
  .formats = SNDRV_PCM_FMTBIT_S16_LE |
      SNDRV_PCM_FMTBIT_S32_LE,
  .sig_bits = 24,
 },
};

/*** sun4i Codec ***/
static const struct snd_kcontrol_new sun4i_codec_pa_mute =
 SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);

static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150,
       0);
static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300,
       0);
static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150,
       0);
static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
       0);
static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale,
       0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
       1, 7, TLV_DB_SCALE_ITEM(3500, 300, 0));
static DECLARE_TLV_DB_RANGE(sun7i_codec_micin_preamp_gain_scale,
       0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
       1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0));

static const struct snd_kcontrol_new sun4i_codec_controls[] = {
 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
         sun4i_codec_pa_volume_scale),
 SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
         sun4i_codec_linein_loopback_gain_scale),
 SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
         SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
         sun4i_codec_linein_preamp_gain_scale),
 SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
         sun4i_codec_fmin_loopback_gain_scale),
 SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
         sun4i_codec_micin_loopback_gain_scale),
 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN4I_CODEC_ADC_ACTL,
         SUN4I_CODEC_ADC_ACTL_PREG1, 3, 0,
         sun4i_codec_micin_preamp_gain_scale),
 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN4I_CODEC_ADC_ACTL,
         SUN4I_CODEC_ADC_ACTL_PREG2, 3, 0,
         sun4i_codec_micin_preamp_gain_scale),
};

static const struct snd_kcontrol_new sun7i_codec_controls[] = {
 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
         sun4i_codec_pa_volume_scale),
 SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_LNG, 1, 0,
         sun4i_codec_linein_loopback_gain_scale),
 SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL,
         SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0,
         sun4i_codec_linein_preamp_gain_scale),
 SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_FMG, 3, 0,
         sun4i_codec_fmin_loopback_gain_scale),
 SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
         SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
         sun4i_codec_micin_loopback_gain_scale),
 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
         SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1, 7, 0,
         sun7i_codec_micin_preamp_gain_scale),
 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL,
         SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2, 7, 0,
         sun7i_codec_micin_preamp_gain_scale),
};

static const struct snd_kcontrol_new sun4i_codec_mixer_controls[] = {
 SOC_DAPM_SINGLE("Left Mixer Left DAC Playback Switch",
   SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_LDACLMIXS,
   1, 0),
 SOC_DAPM_SINGLE("Right Mixer Right DAC Playback Switch",
   SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_RDACRMIXS,
   1, 0),
 SOC_DAPM_SINGLE("Right Mixer Left DAC Playback Switch",
   SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0),
 SOC_DAPM_DOUBLE("Line Playback Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_LLNS,
   SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0),
 SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_LFMS,
   SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0),
 SOC_DAPM_DOUBLE("Mic1 Playback Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_MIC1LS,
   SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0),
 SOC_DAPM_DOUBLE("Mic2 Playback Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_MIC2LS,
   SUN4I_CODEC_DAC_ACTL_MIC2RS, 1, 0),
};

static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = {
 SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0),
 SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL,
   SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0),
};

static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
 /* Digital parts of the ADCs */
 SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC,
       SUN4I_CODEC_ADC_FIFOC_EN_AD, 0,
       NULL, 0),

 /* Digital parts of the DACs */
 SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC,
       SUN4I_CODEC_DAC_DPC_EN_DA, 0,
       NULL, 0),

 /* Analog parts of the ADCs */
 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
    SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0),
 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL,
    SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0),

 /* Analog parts of the DACs */
 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
    SUN4I_CODEC_DAC_ACTL_DACAENL, 0),
 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL,
    SUN4I_CODEC_DAC_ACTL_DACAENR, 0),

 /* Mixers */
 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
      sun4i_codec_mixer_controls,
      ARRAY_SIZE(sun4i_codec_mixer_controls)),
 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
      sun4i_codec_mixer_controls,
      ARRAY_SIZE(sun4i_codec_mixer_controls)),

 /* Global Mixer Enable */
 SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL,
       SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0),

 /* VMIC */
 SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL,
       SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0),

 /* Mic Pre-Amplifiers */
 SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
    SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
 SND_SOC_DAPM_PGA("MIC2 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
    SUN4I_CODEC_ADC_ACTL_PREG2EN, 0, NULL, 0),

 /* Power Amplifier */
 SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
      SUN4I_CODEC_ADC_ACTL_PA_EN, 0,
      sun4i_codec_pa_mixer_controls,
      ARRAY_SIZE(sun4i_codec_pa_mixer_controls)),
 SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0,
       &sun4i_codec_pa_mute),

 SND_SOC_DAPM_INPUT("Line Right"),
 SND_SOC_DAPM_INPUT("Line Left"),
 SND_SOC_DAPM_INPUT("FM Right"),
 SND_SOC_DAPM_INPUT("FM Left"),
 SND_SOC_DAPM_INPUT("Mic1"),
 SND_SOC_DAPM_INPUT("Mic2"),

 SND_SOC_DAPM_OUTPUT("HP Right"),
 SND_SOC_DAPM_OUTPUT("HP Left"),
};

static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
 /* Left ADC / DAC Routes */
 { "Left ADC", NULL, "ADC" },
 { "Left DAC", NULL, "DAC" },

 /* Right ADC / DAC Routes */
 { "Right ADC", NULL, "ADC" },
 { "Right DAC", NULL, "DAC" },

 /* Right Mixer Routes */
 { "Right Mixer", NULL, "Mixer Enable" },
 { "Right Mixer", "Right Mixer Left DAC Playback Switch", "Left DAC" },
 { "Right Mixer", "Right Mixer Right DAC Playback Switch", "Right DAC" },
 { "Right Mixer", "Line Playback Switch", "Line Right" },
 { "Right Mixer", "FM Playback Switch", "FM Right" },
 { "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 { "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },

 /* Left Mixer Routes */
 { "Left Mixer", NULL, "Mixer Enable" },
 { "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" },
 { "Left Mixer", "Line Playback Switch", "Line Left" },
 { "Left Mixer", "FM Playback Switch", "FM Left" },
 { "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" },
 { "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" },

 /* Power Amplifier Routes */
 { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" },
 { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" },
 { "Power Amplifier", "DAC Playback Switch", "Left DAC" },
 { "Power Amplifier", "DAC Playback Switch", "Right DAC" },

 /* Headphone Output Routes */
 { "Power Amplifier Mute", "Switch", "Power Amplifier" },
 { "HP Right", NULL, "Power Amplifier Mute" },
 { "HP Left", NULL, "Power Amplifier Mute" },

 /* Mic1 Routes */
 { "Left ADC", NULL, "MIC1 Pre-Amplifier" },
 { "Right ADC", NULL, "MIC1 Pre-Amplifier" },
 { "MIC1 Pre-Amplifier", NULL, "Mic1"},
 { "Mic1", NULL, "VMIC" },

 /* Mic2 Routes */
 { "Left ADC", NULL, "MIC2 Pre-Amplifier" },
 { "Right ADC", NULL, "MIC2 Pre-Amplifier" },
 { "MIC2 Pre-Amplifier", NULL, "Mic2"},
 { "Mic2", NULL, "VMIC" },
};

static const struct snd_soc_component_driver sun4i_codec_codec = {
 .controls  = sun4i_codec_controls,
 .num_controls  = ARRAY_SIZE(sun4i_codec_controls),
 .dapm_widgets  = sun4i_codec_codec_dapm_widgets,
 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
 .dapm_routes  = sun4i_codec_codec_dapm_routes,
 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
 .idle_bias_on  = 1,
 .use_pmdown_time = 1,
 .endianness  = 1,
};

static const struct snd_soc_component_driver sun7i_codec_codec = {
 .controls  = sun7i_codec_controls,
 .num_controls  = ARRAY_SIZE(sun7i_codec_controls),
 .dapm_widgets  = sun4i_codec_codec_dapm_widgets,
 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets),
 .dapm_routes  = sun4i_codec_codec_dapm_routes,
 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes),
 .idle_bias_on  = 1,
 .use_pmdown_time = 1,
 .endianness  = 1,
};

/*** sun6i Codec ***/

/* mixer controls */
static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = {
 SOC_DAPM_DOUBLE("DAC Playback Switch",
   SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL,
   SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0),
 SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
   SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR,
   SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0),
 SOC_DAPM_DOUBLE("Line In Playback Switch",
   SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL,
   SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0),
 SOC_DAPM_DOUBLE("Mic1 Playback Switch",
   SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1,
   SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0),
 SOC_DAPM_DOUBLE("Mic2 Playback Switch",
   SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2,
   SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = {
 SOC_DAPM_DOUBLE("Mixer Capture Switch",
   SUN6I_CODEC_ADC_ACTL,
   SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL,
   SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0),
 SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch",
   SUN6I_CODEC_ADC_ACTL,
   SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR,
   SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0),
 SOC_DAPM_DOUBLE("Line In Capture Switch",
   SUN6I_CODEC_ADC_ACTL,
   SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL,
   SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0),
 SOC_DAPM_DOUBLE("Mic1 Capture Switch",
   SUN6I_CODEC_ADC_ACTL,
   SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1,
   SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0),
 SOC_DAPM_DOUBLE("Mic2 Capture Switch",
   SUN6I_CODEC_ADC_ACTL,
   SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2,
   SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0),
};

/* headphone controls */
static const char * const sun6i_codec_hp_src_enum_text[] = {
 "DAC", "Mixer",
};

static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
       SUN6I_CODEC_OM_DACA_CTRL,
       SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
       SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
       sun6i_codec_hp_src_enum_text);

static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
 SOC_DAPM_ENUM("Headphone Source Playback Route",
        sun6i_codec_hp_src_enum),
};

/* microphone controls */
static const char * const sun6i_codec_mic2_src_enum_text[] = {
 "Mic2", "Mic3",
};

static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum,
       SUN6I_CODEC_MIC_CTRL,
       SUN6I_CODEC_MIC_CTRL_MIC2SLT,
       sun6i_codec_mic2_src_enum_text);

static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = {
 SOC_DAPM_ENUM("Mic2 Amplifier Source Route",
        sun6i_codec_mic2_src_enum),
};

/* line out controls */
static const char * const sun6i_codec_lineout_src_enum_text[] = {
 "Stereo", "Mono Differential",
};

static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum,
       SUN6I_CODEC_MIC_CTRL,
       SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC,
       SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC,
       sun6i_codec_lineout_src_enum_text);

static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = {
 SOC_DAPM_ENUM("Line Out Source Playback Route",
        sun6i_codec_lineout_src_enum),
};

/* volume / mute controls */
static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0);
static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1);
static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale,
      -450, 150, 0);
static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale,
 0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
);
static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale,
 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
);

static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = {
 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
         SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
         sun6i_codec_dvol_scale),
 SOC_SINGLE_TLV("Headphone Playback Volume",
         SUN6I_CODEC_OM_DACA_CTRL,
         SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
         sun6i_codec_hp_vol_scale),
 SOC_SINGLE_TLV("Line Out Playback Volume",
         SUN6I_CODEC_MIC_CTRL,
         SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0,
         sun6i_codec_lineout_vol_scale),
 SOC_DOUBLE("Headphone Playback Switch",
     SUN6I_CODEC_OM_DACA_CTRL,
     SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE,
     SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
 SOC_DOUBLE("Line Out Playback Switch",
     SUN6I_CODEC_MIC_CTRL,
     SUN6I_CODEC_MIC_CTRL_LINEOUTLEN,
     SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0),
 /* Mixer pre-gains */
 SOC_SINGLE_TLV("Line In Playback Volume",
         SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING,
         0x7, 0, sun6i_codec_out_mixer_pregain_scale),
 SOC_SINGLE_TLV("Mic1 Playback Volume",
         SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G,
         0x7, 0, sun6i_codec_out_mixer_pregain_scale),
 SOC_SINGLE_TLV("Mic2 Playback Volume",
         SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G,
         0x7, 0, sun6i_codec_out_mixer_pregain_scale),

 /* Microphone Amp boost gains */
 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL,
         SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0,
         sun6i_codec_mic_gain_scale),
 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL,
         SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0,
         sun6i_codec_mic_gain_scale),
 SOC_DOUBLE_TLV("ADC Capture Volume",
         SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG,
         SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0,
         sun6i_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = {
 /* Microphone inputs */
 SND_SOC_DAPM_INPUT("MIC1"),
 SND_SOC_DAPM_INPUT("MIC2"),
 SND_SOC_DAPM_INPUT("MIC3"),

 /* Microphone Bias */
 SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL,
       SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL,
       SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0),

 /* Mic input path */
 SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route",
    SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src),
 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL,
    SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0),
 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL,
    SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0),

 /* Line In */
 SND_SOC_DAPM_INPUT("LINEIN"),

 /* Digital parts of the ADCs */
 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
       SUN6I_CODEC_ADC_FIFOC_EN_AD, 0,
       NULL, 0),

 /* Analog parts of the ADCs */
 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
    SUN6I_CODEC_ADC_ACTL_ADCLEN, 0),
 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL,
    SUN6I_CODEC_ADC_ACTL_ADCREN, 0),

 /* ADC Mixers */
 SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
   sun6i_codec_adc_mixer_controls),
 SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
   sun6i_codec_adc_mixer_controls),

 /* Digital parts of the DACs */
 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
       SUN4I_CODEC_DAC_DPC_EN_DA, 0,
       NULL, 0),

 /* Analog parts of the DACs */
 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
    SUN6I_CODEC_OM_DACA_CTRL,
    SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0),
 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
    SUN6I_CODEC_OM_DACA_CTRL,
    SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0),

 /* Mixers */
 SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0,
   sun6i_codec_mixer_controls),
 SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL,
   SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0,
   sun6i_codec_mixer_controls),

 /* Headphone output path */
 SND_SOC_DAPM_MUX("Headphone Source Playback Route",
    SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src),
 SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL,
        SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL,
       SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0),
 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL,
    SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
 SND_SOC_DAPM_OUTPUT("HP"),

 /* Line Out path */
 SND_SOC_DAPM_MUX("Line Out Source Playback Route",
    SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src),
 SND_SOC_DAPM_OUTPUT("LINEOUT"),
};

static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = {
 /* DAC Routes */
 { "Left DAC", NULL, "DAC Enable" },
 { "Right DAC", NULL, "DAC Enable" },

 /* Microphone Routes */
 { "Mic1 Amplifier", NULL, "MIC1"},
 { "Mic2 Amplifier Source Route", "Mic2", "MIC2" },
 { "Mic2 Amplifier Source Route", "Mic3", "MIC3" },
 { "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"},

 /* Left Mixer Routes */
 { "Left Mixer", "DAC Playback Switch", "Left DAC" },
 { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
 { "Left Mixer", "Line In Playback Switch", "LINEIN" },
 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
 { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },

 /* Right Mixer Routes */
 { "Right Mixer", "DAC Playback Switch", "Right DAC" },
 { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
 { "Right Mixer", "Line In Playback Switch", "LINEIN" },
 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
 { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },

 /* Left ADC Mixer Routes */
 { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
 { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
 { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
 { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },

 /* Right ADC Mixer Routes */
 { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
 { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
 { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
 { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },

 /* Headphone Routes */
 { "Headphone Source Playback Route", "DAC", "Left DAC" },
 { "Headphone Source Playback Route", "DAC", "Right DAC" },
 { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
 { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
 { "Headphone Amp", NULL, "Headphone Source Playback Route" },
 { "HP", NULL, "Headphone Amp" },
 { "HPCOM", NULL, "HPCOM Protection" },

 /* Line Out Routes */
 { "Line Out Source Playback Route", "Stereo", "Left Mixer" },
 { "Line Out Source Playback Route", "Stereo", "Right Mixer" },
 { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
 { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
 { "LINEOUT", NULL, "Line Out Source Playback Route" },

 /* ADC Routes */
 { "Left ADC", NULL, "ADC Enable" },
 { "Right ADC", NULL, "ADC Enable" },
 { "Left ADC", NULL, "Left ADC Mixer" },
 { "Right ADC", NULL, "Right ADC Mixer" },
};

static const struct snd_soc_component_driver sun6i_codec_codec = {
 .controls  = sun6i_codec_codec_widgets,
 .num_controls  = ARRAY_SIZE(sun6i_codec_codec_widgets),
 .dapm_widgets  = sun6i_codec_codec_dapm_widgets,
 .num_dapm_widgets = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets),
 .dapm_routes  = sun6i_codec_codec_dapm_routes,
 .num_dapm_routes = ARRAY_SIZE(sun6i_codec_codec_dapm_routes),
 .idle_bias_on  = 1,
 .use_pmdown_time = 1,
 .endianness  = 1,
};

/* sun8i A23 codec */
static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = {
 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
         SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
         sun6i_codec_dvol_scale),
};

static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = {
 /* Digital parts of the ADCs */
 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC,
       SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0),
 /* Digital parts of the DACs */
 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
       SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0),

};

static const struct snd_soc_component_driver sun8i_a23_codec_codec = {
 .controls  = sun8i_a23_codec_codec_controls,
 .num_controls  = ARRAY_SIZE(sun8i_a23_codec_codec_controls),
 .dapm_widgets  = sun8i_a23_codec_codec_widgets,
 .num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets),
 .idle_bias_on  = 1,
 .use_pmdown_time = 1,
 .endianness  = 1,
};

/*suniv F1C100s codec */

/* headphone controls */
static const char * const suniv_codec_hp_src_enum_text[] = {
 "DAC", "Mixer",
};

static SOC_ENUM_DOUBLE_DECL(suniv_codec_hp_src_enum,
       SUNIV_CODEC_OM_DACA_CTRL,
       SUNIV_CODEC_OM_DACA_CTRL_LHPIS,
       SUNIV_CODEC_OM_DACA_CTRL_RHPIS,
       suniv_codec_hp_src_enum_text);

static const struct snd_kcontrol_new suniv_codec_hp_src[] = {
 SOC_DAPM_ENUM("Headphone Source Playback Route",
        suniv_codec_hp_src_enum),
};

/* mixer controls */
static const struct snd_kcontrol_new suniv_codec_adc_mixer_controls[] = {
 SOC_DAPM_SINGLE("Right Out Capture Switch", SUNIV_CODEC_ADC_ACTL,
   SUNIV_CODEC_ADC_ADCMIX_ROUT, 1, 0),
 SOC_DAPM_SINGLE("Left Out Capture Switch", SUNIV_CODEC_ADC_ACTL,
   SUNIV_CODEC_ADC_ADCMIX_LOUT, 1, 0),
 SOC_DAPM_SINGLE("Line In Capture Switch", SUNIV_CODEC_ADC_ACTL,
   SUNIV_CODEC_ADC_ADCMIX_LINEIN, 1, 0),
 SOC_DAPM_SINGLE("Right FM In Capture Switch", SUNIV_CODEC_ADC_ACTL,
   SUNIV_CODEC_ADC_ADCMIX_FMINR, 1, 0),
 SOC_DAPM_SINGLE("Left FM In Capture Switch", SUNIV_CODEC_ADC_ACTL,
   SUNIV_CODEC_ADC_ADCMIX_FMINL, 1, 0),
 SOC_DAPM_SINGLE("Mic Capture Switch", SUNIV_CODEC_ADC_ACTL,
   SUNIV_CODEC_ADC_ADCMIX_MIC, 1, 0),
};

static const struct snd_kcontrol_new suniv_codec_dac_lmixer_controls[] = {
 SOC_DAPM_SINGLE("Right DAC Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_RDAC, 1, 0),
 SOC_DAPM_SINGLE("Left DAC Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_LDAC, 1, 0),
 SOC_DAPM_SINGLE("FM In Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_FMIN, 1, 0),
 SOC_DAPM_SINGLE("Line In Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_LINEIN, 1, 0),
 SOC_DAPM_SINGLE("Mic In Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_LMIXMUTE_MICIN, 1, 0),
};

static const struct snd_kcontrol_new suniv_codec_dac_rmixer_controls[] = {
 SOC_DAPM_SINGLE("Left DAC Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_LDAC, 1, 0),
 SOC_DAPM_SINGLE("Right DAC Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_RDAC, 1, 0),
 SOC_DAPM_SINGLE("FM In Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_FMIN, 1, 0),
 SOC_DAPM_SINGLE("Line In Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_LINEIN, 1, 0),
 SOC_DAPM_SINGLE("Mic In Playback Switch", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_RMIXMUTE_MICIN, 1, 0),
};

static const DECLARE_TLV_DB_SCALE(suniv_codec_dvol_scale, -7308, 116, 0);
static const DECLARE_TLV_DB_SCALE(suniv_codec_hp_vol_scale, -6300, 100, 1);
static const DECLARE_TLV_DB_SCALE(suniv_codec_out_mixer_pregain_scale,
      -450, 150, 0);

static const DECLARE_TLV_DB_RANGE(suniv_codec_mic_gain_scale,
 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
);

static const struct snd_kcontrol_new suniv_codec_codec_widgets[] = {
 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
         SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
         suniv_codec_dvol_scale),
 SOC_SINGLE_TLV("Headphone Playback Volume",
         SUNIV_CODEC_OM_DACA_CTRL,
         SUNIV_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0,
         suniv_codec_hp_vol_scale),
 SOC_DOUBLE("Headphone Playback Switch",
     SUNIV_CODEC_OM_DACA_CTRL,
     SUNIV_CODEC_OM_DACA_CTRL_LHPPAMUTE,
     SUNIV_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0),
 SOC_SINGLE_TLV("Line In Playback Volume",
         SUNIV_CODEC_ADC_ACTL, SUNIV_CODEC_ADC_LINEINVOL,
         0x7, 0, suniv_codec_out_mixer_pregain_scale),
 SOC_SINGLE_TLV("FM In Playback Volume",
         SUNIV_CODEC_ADC_ACTL, SUNIV_CODEC_ADC_FMINVOL,
         0x7, 0, suniv_codec_out_mixer_pregain_scale),
 SOC_SINGLE_TLV("Mic In Playback Volume",
         SUNIV_CODEC_ADC_ACTL, SUNIV_CODEC_ADC_MICG,
         0x7, 0, suniv_codec_out_mixer_pregain_scale),

 /* Microphone Amp boost gains */
 SOC_SINGLE_TLV("Mic Boost Volume", SUNIV_CODEC_ADC_ACTL,
         SUNIV_CODEC_ADC_MICBOOST, 0x7, 0,
         suniv_codec_mic_gain_scale),
 SOC_SINGLE_TLV("ADC Capture Volume",
         SUNIV_CODEC_ADC_ACTL, SUNIV_CODEC_ADC_ADCG,
         0x7, 0, suniv_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget suniv_codec_codec_dapm_widgets[] = {
 /* Microphone inputs */
 SND_SOC_DAPM_INPUT("MIC"),

 /* Microphone Bias */
 /* deleted: HBIAS, MBIAS */

 /* Mic input path */
 SND_SOC_DAPM_PGA("Mic Amplifier", SUNIV_CODEC_ADC_ACTL,
    SUNIV_CODEC_ADC_MICAMPEN, 0, NULL, 0),

 /* Line In */
 SND_SOC_DAPM_INPUT("LINEIN"),

 /* FM In */
 SND_SOC_DAPM_INPUT("FMINR"),
 SND_SOC_DAPM_INPUT("FMINL"),

 /* Digital parts of the ADCs */
 SND_SOC_DAPM_SUPPLY("ADC Enable", SUNIV_CODEC_ADC_FIFOC,
       SUNIV_CODEC_ADC_FIFOC_EN_AD, 0,
       NULL, 0),

 /* Analog parts of the ADCs */
 SND_SOC_DAPM_ADC("ADC", "Codec Capture", SUNIV_CODEC_ADC_ACTL,
    SUNIV_CODEC_ADC_ADCEN, 0),

 /* ADC Mixers */
 SOC_MIXER_ARRAY("ADC Mixer", SUNIV_CODEC_ADC_ACTL,
   SND_SOC_NOPM, 0,
   suniv_codec_adc_mixer_controls),

 /* Digital parts of the DACs */
 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
       SUN4I_CODEC_DAC_DPC_EN_DA, 0,
       NULL, 0),

 /* Analog parts of the DACs */
 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
    SUNIV_CODEC_OM_DACA_CTRL,
    SUNIV_CODEC_OM_DACA_CTRL_DACALEN, 0),
 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
    SUNIV_CODEC_OM_DACA_CTRL,
    SUNIV_CODEC_OM_DACA_CTRL_DACAREN, 0),

 /* Mixers */
 SOC_MIXER_ARRAY("Left Mixer", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_LMIXEN, 0,
   suniv_codec_dac_lmixer_controls),
 SOC_MIXER_ARRAY("Right Mixer", SUNIV_CODEC_OM_DACA_CTRL,
   SUNIV_CODEC_OM_DACA_CTRL_RMIXEN, 0,
   suniv_codec_dac_rmixer_controls),

 /* Headphone output path */
 SND_SOC_DAPM_MUX("Headphone Source Playback Route",
    SND_SOC_NOPM, 0, 0, suniv_codec_hp_src),
 SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUNIV_CODEC_OM_DACA_CTRL,
        SUNIV_CODEC_OM_DACA_CTRL_HPPAEN, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUNIV_CODEC_OM_DACA_CTRL,
       SUNIV_CODEC_OM_DACA_CTRL_COMPTEN, 0, NULL, 0),
 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUNIV_CODEC_OM_DACA_CTRL,
    SUNIV_CODEC_OM_DACA_CTRL_HPCOM_CTL, 0x3, 0x3, 0),
 SND_SOC_DAPM_OUTPUT("HP"),
};

static const struct snd_soc_dapm_route suniv_codec_codec_dapm_routes[] = {
 /* DAC Routes */
 { "Left DAC", NULL, "DAC Enable" },
 { "Right DAC", NULL, "DAC Enable" },

 /* Microphone Routes */
 { "Mic Amplifier", NULL, "MIC"},

 /* Left Mixer Routes */
 { "Left Mixer", "Right DAC Playback Switch", "Right DAC" },
 { "Left Mixer", "Left DAC Playback Switch", "Left DAC" },
 { "Left Mixer", "FM In Playback Switch", "FMINL" },
 { "Left Mixer", "Line In Playback Switch", "LINEIN" },
 { "Left Mixer", "Mic In Playback Switch", "Mic Amplifier" },

 /* Right Mixer Routes */
 { "Right Mixer", "Left DAC Playback Switch", "Left DAC" },
 { "Right Mixer", "Right DAC Playback Switch", "Right DAC" },
 { "Right Mixer", "FM In Playback Switch", "FMINR" },
 { "Right Mixer", "Line In Playback Switch", "LINEIN" },
 { "Right Mixer", "Mic In Playback Switch", "Mic Amplifier" },

 /* ADC Mixer Routes */
 { "ADC Mixer", "Right Out Capture Switch", "Right Mixer" },
 { "ADC Mixer", "Left Out Capture Switch", "Left Mixer" },
 { "ADC Mixer", "Line In Capture Switch", "LINEIN" },
 { "ADC Mixer", "Right FM In Capture Switch", "FMINR" },
 { "ADC Mixer", "Left FM In Capture Switch", "FMINL" },
 { "ADC Mixer", "Mic Capture Switch", "Mic Amplifier" },

 /* Headphone Routes */
 { "Headphone Source Playback Route", "DAC", "Left DAC" },
 { "Headphone Source Playback Route", "DAC", "Right DAC" },
 { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
 { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
 { "Headphone Amp", NULL, "Headphone Source Playback Route" },
 { "HP", NULL, "Headphone Amp" },
 { "HPCOM", NULL, "HPCOM Protection" },

 /* ADC Routes */
 { "ADC", NULL, "ADC Mixer" },
 { "ADC", NULL, "ADC Enable" },
};

static const struct snd_soc_component_driver suniv_codec_codec = {
 .controls  = suniv_codec_codec_widgets,
 .num_controls  = ARRAY_SIZE(suniv_codec_codec_widgets),
 .dapm_widgets  = suniv_codec_codec_dapm_widgets,
 .num_dapm_widgets = ARRAY_SIZE(suniv_codec_codec_dapm_widgets),
 .dapm_routes  = suniv_codec_codec_dapm_routes,
 .num_dapm_routes = ARRAY_SIZE(suniv_codec_codec_dapm_routes),
 .idle_bias_on  = 1,
 .use_pmdown_time = 1,
 .endianness  = 1,
};

static const struct snd_soc_component_driver sun4i_codec_component = {
 .name   = "sun4i-codec",
 .legacy_dai_naming = 1,
#ifdef CONFIG_DEBUG_FS
 .debugfs_prefix  = "cpu",
#endif
};

#define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
     SNDRV_PCM_FMTBIT_S32_LE)

static int sun4i_codec_dai_probe(struct snd_soc_dai *dai)
{
 struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai);
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);

 snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data,
      &scodec->capture_dma_data);

 return 0;
}

static const struct snd_soc_dai_ops dummy_dai_ops = {
 .probe = sun4i_codec_dai_probe,
};

static struct snd_soc_dai_driver dummy_cpu_dai = {
 .name = "sun4i-codec-cpu-dai",
 .playback = {
  .stream_name = "Playback",
  .channels_min = 1,
  .channels_max = 2,
  .rates  = SUN4I_CODEC_RATES,
  .formats = SUN4I_CODEC_FORMATS,
  .sig_bits = 24,
 },
 .capture = {
  .stream_name = "Capture",
  .channels_min = 1,
  .channels_max = 2,
  .rates   = SUN4I_CODEC_RATES,
  .formats  = SUN4I_CODEC_FORMATS,
  .sig_bits = 24,
  },
 .ops = &dummy_dai_ops,
};

static struct snd_soc_jack sun4i_headphone_jack;

static struct snd_soc_jack_pin sun4i_headphone_jack_pins[] = {
 { .pin = "Headphone", .mask = SND_JACK_HEADPHONE },
};

static struct snd_soc_jack_gpio sun4i_headphone_jack_gpio = {
 .name = "hp-det",
 .report = SND_JACK_HEADPHONE,
 .debounce_time = 150,
};

static int sun4i_codec_machine_init(struct snd_soc_pcm_runtime *rtd)
{
 struct snd_soc_card *card = rtd->card;
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
 int ret;

 if (scodec->gpio_hp) {
  ret = snd_soc_card_jack_new_pins(card, "Headphone Jack",
       SND_JACK_HEADPHONE,
       &sun4i_headphone_jack,
       sun4i_headphone_jack_pins,
       ARRAY_SIZE(sun4i_headphone_jack_pins));
  if (ret) {
   dev_err(rtd->dev,
    "Headphone jack creation failed: %d\n", ret);
   return ret;
  }

  sun4i_headphone_jack_gpio.desc = scodec->gpio_hp;
  ret = snd_soc_jack_add_gpios(&sun4i_headphone_jack, 1,
          &sun4i_headphone_jack_gpio);

  if (ret) {
   dev_err(rtd->dev, "Headphone GPIO not added: %d\n", ret);
   return ret;
  }
 }

 return 0;
}

static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev,
       int *num_links)
{
 struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link),
           GFP_KERNEL);
 struct snd_soc_dai_link_component *dlc = devm_kzalloc(dev,
      3 * sizeof(*dlc), GFP_KERNEL);
 if (!link || !dlc)
  return NULL;

 link->cpus = &dlc[0];
 link->codecs = &dlc[1];
 link->platforms = &dlc[2];

 link->num_cpus  = 1;
 link->num_codecs = 1;
 link->num_platforms = 1;

 link->name  = "cdc";
 link->stream_name = "CDC PCM";
 link->codecs->dai_name = "Codec";
 link->cpus->dai_name = dev_name(dev);
 link->codecs->name = dev_name(dev);
 link->platforms->name = dev_name(dev);
 link->dai_fmt  = SND_SOC_DAIFMT_I2S;
 link->init  = sun4i_codec_machine_init;

 *num_links = 1;

 return link;
};

static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w,
     struct snd_kcontrol *k, int event)
{
 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card);

 gpiod_set_value_cansleep(scodec->gpio_pa,
     !!SND_SOC_DAPM_EVENT_ON(event));

 if (SND_SOC_DAPM_EVENT_ON(event)) {
  /*
 * Need a delay to wait for DAC to push the data. 700ms seems
 * to be the best compromise not to feel this delay while
 * playing a sound.
 */
  msleep(700);
 }

 return 0;
}

static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = {
 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
};

static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = {
 { "Speaker", NULL, "HP Right" },
 { "Speaker", NULL, "HP Left" },
};

static struct snd_soc_card *sun4i_codec_create_card(struct device *dev)
{
 struct snd_soc_card *card;

 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 if (!card)
  return ERR_PTR(-ENOMEM);

 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
 if (!card->dai_link)
  return ERR_PTR(-ENOMEM);

 card->dev  = dev;
 card->owner  = THIS_MODULE;
 card->name  = "sun4i-codec";
 card->dapm_widgets = sun4i_codec_card_dapm_widgets;
 card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets);
 card->dapm_routes = sun4i_codec_card_dapm_routes;
 card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes);

 return card;
};

static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = {
 SND_SOC_DAPM_HP("Headphone", NULL),
 SND_SOC_DAPM_LINE("Line In", NULL),
 SND_SOC_DAPM_LINE("Line Out", NULL),
 SND_SOC_DAPM_MIC("Headset Mic", NULL),
 SND_SOC_DAPM_MIC("Mic", NULL),
 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
};

static struct snd_soc_card *sun6i_codec_create_card(struct device *dev)
{
 struct snd_soc_card *card;
 int ret;

 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 if (!card)
  return ERR_PTR(-ENOMEM);

 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
 if (!card->dai_link)
  return ERR_PTR(-ENOMEM);

 card->dev  = dev;
 card->owner  = THIS_MODULE;
 card->name  = "A31 Audio Codec";
 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
 card->fully_routed = true;

 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
 if (ret)
  dev_warn(dev, "failed to parse audio-routing: %d\n", ret);

 return card;
};

/* Connect digital side enables to analog side widgets */
static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = {
 /* ADC Routes */
 { "Left ADC", NULL, "ADC Enable" },
 { "Right ADC", NULL, "ADC Enable" },
 { "Codec Capture", NULL, "Left ADC" },
 { "Codec Capture", NULL, "Right ADC" },

 /* DAC Routes */
 { "Left DAC", NULL, "DAC Enable" },
 { "Right DAC", NULL, "DAC Enable" },
 { "Left DAC", NULL, "Codec Playback" },
 { "Right DAC", NULL, "Codec Playback" },
};

static struct snd_soc_aux_dev aux_dev = {
 .dlc = COMP_EMPTY(),
};

static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev)
{
 struct snd_soc_card *card;
 int ret;

 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 if (!card)
  return ERR_PTR(-ENOMEM);

 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
       "allwinner,codec-analog-controls",
       0);
 if (!aux_dev.dlc.of_node) {
  dev_err(dev, "Can't find analog controls for codec.\n");
  return ERR_PTR(-EINVAL);
 }

 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
 if (!card->dai_link)
  return ERR_PTR(-ENOMEM);

 card->dev  = dev;
 card->owner  = THIS_MODULE;
 card->name  = "A23 Audio Codec";
 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
 card->dapm_routes = sun8i_codec_card_routes;
 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
 card->aux_dev  = &aux_dev;
 card->num_aux_devs = 1;
 card->fully_routed = true;

 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
 if (ret)
  dev_warn(dev, "failed to parse audio-routing: %d\n", ret);

 return card;
};

static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev)
{
 struct snd_soc_card *card;
 int ret;

 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 if (!card)
  return ERR_PTR(-ENOMEM);

 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
       "allwinner,codec-analog-controls",
       0);
 if (!aux_dev.dlc.of_node) {
  dev_err(dev, "Can't find analog controls for codec.\n");
  return ERR_PTR(-EINVAL);
 }

 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
 if (!card->dai_link)
  return ERR_PTR(-ENOMEM);

 card->dev  = dev;
 card->owner  = THIS_MODULE;
 card->name  = "H3 Audio Codec";
 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
 card->dapm_routes = sun8i_codec_card_routes;
 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
 card->aux_dev  = &aux_dev;
 card->num_aux_devs = 1;
 card->fully_routed = true;

 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
 if (ret)
  dev_warn(dev, "failed to parse audio-routing: %d\n", ret);

 return card;
};

static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev)
{
 struct snd_soc_card *card;
 int ret;

 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
 if (!card)
  return ERR_PTR(-ENOMEM);

 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node,
       "allwinner,codec-analog-controls",
       0);
 if (!aux_dev.dlc.of_node) {
  dev_err(dev, "Can't find analog controls for codec.\n");
  return ERR_PTR(-EINVAL);
 }

 card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
 if (!card->dai_link)
  return ERR_PTR(-ENOMEM);

 card->dev  = dev;
 card->owner  = THIS_MODULE;
 card->name  = "V3s Audio Codec";
 card->dapm_widgets = sun6i_codec_card_dapm_widgets;
 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets);
 card->dapm_routes = sun8i_codec_card_routes;
 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes);
 card->aux_dev  = &aux_dev;
 card->num_aux_devs = 1;
 card->fully_routed = true;

 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing");
 if (ret)
  dev_warn(dev, "failed to parse audio-routing: %d\n", ret);

 return card;
};

static const struct snd_kcontrol_new sun50i_h616_codec_codec_controls[] = {
 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC,
         SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1,
         sun6i_codec_dvol_scale),
 SOC_SINGLE_TLV("Line Out Playback Volume",
         SUN50I_H616_DAC_AC_DAC_REG,
         SUN50I_H616_LINEOUT_VOL, 0x1f, 0,
         sun6i_codec_lineout_vol_scale),
 SOC_DOUBLE("Line Out Playback Switch",
     SUN50I_H616_DAC_AC_DAC_REG,
     SUN50I_H616_LINEOUTL_EN,
     SUN50I_H616_LINEOUTR_EN, 1, 0),
};

static const struct snd_kcontrol_new sun50i_h616_codec_mixer_controls[] = {
 SOC_DAPM_DOUBLE("DAC Playback Switch",
   SUN50I_H616_DAC_AC_MIXER_REG,
   SUN50I_H616_LMIX_LDAC,
   SUN50I_H616_RMIX_RDAC, 1, 0),
 SOC_DAPM_DOUBLE("DAC Reversed Playback Switch",
   SUN50I_H616_DAC_AC_MIXER_REG,
   SUN50I_H616_LMIX_RDAC,
   SUN50I_H616_RMIX_LDAC, 1, 0),
};

static SOC_ENUM_DOUBLE_DECL(sun50i_h616_codec_lineout_src_enum,
       SUN50I_H616_DAC_AC_DAC_REG,
       SUN50I_H616_LINEOUTL_SEL,
       SUN50I_H616_LINEOUTR_SEL,
       sun6i_codec_lineout_src_enum_text);

static const struct snd_kcontrol_new sun50i_h616_codec_lineout_src[] = {
  SOC_DAPM_ENUM("Line Out Source Playback Route",
         sun50i_h616_codec_lineout_src_enum),
};

static const struct snd_soc_dapm_widget sun50i_h616_codec_codec_widgets[] = {
 /* Digital parts of the DACs */
 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC,
       SUN4I_CODEC_DAC_DPC_EN_DA, 0,
       NULL, 0),

 /* Analog parts of the DACs */
 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback",
    SUN50I_H616_DAC_AC_DAC_REG,
    SUN50I_H616_DAC_LEN, 0),
 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback",
    SUN50I_H616_DAC_AC_DAC_REG,
    SUN50I_H616_DAC_REN, 0),

 /* Mixers */
 SOC_MIXER_ARRAY("Left Mixer", SUN50I_H616_DAC_AC_MIXER_REG,
   SUN50I_H616_LMIXEN, 0,
   sun50i_h616_codec_mixer_controls),
 SOC_MIXER_ARRAY("Right Mixer", SUN50I_H616_DAC_AC_MIXER_REG,
   SUN50I_H616_RMIXEN, 0,
   sun50i_h616_codec_mixer_controls),

 /* Line Out path */
 SND_SOC_DAPM_MUX("Line Out Source Playback Route",
    SND_SOC_NOPM, 0, 0, sun50i_h616_codec_lineout_src),
 SND_SOC_DAPM_OUT_DRV("Line Out Ramp Controller",
        SUN50I_H616_DAC_AC_RAMP_REG,
        SUN50I_H616_RDEN, 0, NULL, 0),
 SND_SOC_DAPM_OUTPUT("LINEOUT"),
};

static const struct snd_soc_component_driver sun50i_h616_codec_codec = {
 .controls   = sun50i_h616_codec_codec_controls,
 .num_controls   = ARRAY_SIZE(sun50i_h616_codec_codec_controls),
 .dapm_widgets   = sun50i_h616_codec_codec_widgets,
 .num_dapm_widgets = ARRAY_SIZE(sun50i_h616_codec_codec_widgets),
 .idle_bias_on   = 1,
 .use_pmdown_time  = 1,
 .endianness   = 1,
};

static const struct snd_kcontrol_new sun50i_h616_card_controls[] = {
 SOC_DAPM_PIN_SWITCH("Speaker"),
};

static const struct snd_soc_dapm_widget sun50i_h616_codec_card_dapm_widgets[] = {
 SND_SOC_DAPM_HP("Headphone", NULL),
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