// 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),
        SND_SOC_DAPM_LINE("Line Out", NULL),
        SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
};

/* Connect digital side enables to analog side widgets */
static const struct snd_soc_dapm_route sun50i_h616_codec_card_routes[] = {
        /* DAC Routes */
        { "Left DAC", NULL, "DAC Enable" },
        { "Right DAC", NULL, "DAC Enable" },

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

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

        /* 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" },
        { "Line Out Ramp Controller", NULL, "Line Out Source Playback Route" },
        { "LINEOUT", NULL, "Line Out Ramp Controller" },
};

static struct snd_soc_card *sun50i_h616_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->dai_link->playback_only = true;
        card->dai_link->capture_only = false;

        card->dev               = dev;
        card->owner             = THIS_MODULE;
        card->name              = "H616 Audio Codec";
        card->long_name         = "h616-audio-codec";
        card->driver_name       = "sun4i-codec";
        card->controls          = sun50i_h616_card_controls;
        card->num_controls      = ARRAY_SIZE(sun50i_h616_card_controls);
        card->dapm_widgets      = sun50i_h616_codec_card_dapm_widgets;
        card->num_dapm_widgets  = ARRAY_SIZE(sun50i_h616_codec_card_dapm_widgets);
        card->dapm_routes       = sun50i_h616_codec_card_routes;
        card->num_dapm_routes   = ARRAY_SIZE(sun50i_h616_codec_card_routes);
        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_soc_dapm_widget suniv_codec_card_dapm_widgets[] = {
        SND_SOC_DAPM_HP("Headphone", NULL),
        SND_SOC_DAPM_LINE("Line In", NULL),
        SND_SOC_DAPM_LINE("Right FM In", NULL),
        SND_SOC_DAPM_LINE("Left FM In", NULL),
        SND_SOC_DAPM_MIC("Mic", NULL),
        SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
};

/* Connect digital side enables to analog side widgets */
static const struct snd_soc_dapm_route suniv_codec_card_routes[] = {
        /* ADC Routes */
        { "ADC", NULL, "ADC Enable" },
        { "Codec Capture", NULL, "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_card *suniv_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->name              = "F1C100s Audio Codec";
        card->dapm_widgets      = suniv_codec_card_dapm_widgets;
        card->num_dapm_widgets  = ARRAY_SIZE(suniv_codec_card_dapm_widgets);
        card->dapm_routes       = suniv_codec_card_routes;
        card->num_dapm_routes   = ARRAY_SIZE(suniv_codec_card_routes);
        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 regmap_config sun4i_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN4I_CODEC_ADC_RXCNT,
};

static const struct regmap_config sun6i_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN6I_CODEC_HMIC_DATA,
};

static const struct regmap_config sun7i_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN7I_CODEC_AC_MIC_PHONE_CAL,
};

static const struct regmap_config sun8i_a23_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN8I_A23_CODEC_ADC_RXCNT,
};

static const struct regmap_config sun8i_h3_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN8I_H3_CODEC_ADC_DBG,
};

static const struct regmap_config sun8i_v3s_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN8I_H3_CODEC_ADC_DBG,
};

static const struct regmap_config sun50i_h616_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUN50I_H616_DAC_AC_RAMP_REG,
        .cache_type     = REGCACHE_NONE,
};

static const struct regmap_config suniv_codec_regmap_config = {
        .reg_bits       = 32,
        .reg_stride     = 4,
        .val_bits       = 32,
        .max_register   = SUNIV_CODEC_ADC_DBG,
};

struct sun4i_codec_quirks {
        const struct regmap_config *regmap_config;
        const struct snd_soc_component_driver *codec;
        struct snd_soc_card * (*create_card)(struct device *dev);
        struct reg_field reg_adc_fifoc; /* used for regmap_field */
        struct reg_field reg_dac_fifoc; /* used for regmap_field */
        unsigned int reg_dac_txdata;    /* TX FIFO offset for DMA config */
        unsigned int reg_adc_rxdata;    /* RX FIFO offset for DMA config */
        bool has_reset;
        bool playback_only;
        u32 dma_max_burst;
};

static const struct sun4i_codec_quirks sun4i_codec_quirks = {
        .regmap_config  = &sun4i_codec_regmap_config,
        .codec          = &sun4i_codec_codec,
        .create_card    = sun4i_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
        .regmap_config  = &sun6i_codec_regmap_config,
        .codec          = &sun6i_codec_codec,
        .create_card    = sun6i_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
        .has_reset      = true,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks sun7i_codec_quirks = {
        .regmap_config  = &sun7i_codec_regmap_config,
        .codec          = &sun7i_codec_codec,
        .create_card    = sun4i_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
        .regmap_config  = &sun8i_a23_codec_regmap_config,
        .codec          = &sun8i_a23_codec_codec,
        .create_card    = sun8i_a23_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
        .has_reset      = true,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
        .regmap_config  = &sun8i_h3_codec_regmap_config,
        /*
         * TODO Share the codec structure with A23 for now.
         * This should be split out when adding digital audio
         * processing support for the H3.
         */
        .codec          = &sun8i_a23_codec_codec,
        .create_card    = sun8i_h3_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
        .has_reset      = true,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
        .regmap_config  = &sun8i_v3s_codec_regmap_config,
        /*
         * TODO The codec structure should be split out, like
         * H3, when adding digital audio processing support.
         */
        .codec          = &sun8i_a23_codec_codec,
        .create_card    = sun8i_v3s_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
        .has_reset      = true,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks sun50i_h616_codec_quirks = {
        .regmap_config  = &sun50i_h616_codec_regmap_config,
        .codec          = &sun50i_h616_codec_codec,
        .create_card    = sun50i_h616_codec_create_card,
        .reg_dac_fifoc  = REG_FIELD(SUN50I_H616_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
        .has_reset      = true,
        .dma_max_burst  = SUN4I_DMA_MAX_BURST,
};

static const struct sun4i_codec_quirks suniv_f1c100s_codec_quirks = {
        .regmap_config  = &suniv_codec_regmap_config,
        .codec          = &suniv_codec_codec,
        .create_card    = suniv_codec_create_card,
        .reg_adc_fifoc  = REG_FIELD(SUNIV_CODEC_ADC_FIFOC, 0, 31),
        .reg_dac_fifoc  = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
        .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
        .reg_adc_rxdata = SUNIV_CODEC_ADC_RXDATA,
        .has_reset      = true,
        .dma_max_burst  = SUNIV_DMA_MAX_BURST,
};

static const struct of_device_id sun4i_codec_of_match[] = {
        {
                .compatible = "allwinner,sun4i-a10-codec",
                .data = &sun4i_codec_quirks,
        },
        {
                .compatible = "allwinner,sun6i-a31-codec",
                .data = &sun6i_a31_codec_quirks,
        },
        {
                .compatible = "allwinner,sun7i-a20-codec",
                .data = &sun7i_codec_quirks,
        },
        {
                .compatible = "allwinner,sun8i-a23-codec",
                .data = &sun8i_a23_codec_quirks,
        },
        {
                .compatible = "allwinner,sun8i-h3-codec",
                .data = &sun8i_h3_codec_quirks,
        },
        {
                .compatible = "allwinner,sun8i-v3s-codec",
                .data = &sun8i_v3s_codec_quirks,
        },
        {
                .compatible = "allwinner,sun50i-h616-codec",
                .data = &sun50i_h616_codec_quirks,
        },
        {
                .compatible = "allwinner,suniv-f1c100s-codec",
                .data = &suniv_f1c100s_codec_quirks,
        },
        {}
};
MODULE_DEVICE_TABLE(of, sun4i_codec_of_match);

static int sun4i_codec_probe(struct platform_device *pdev)
{
        struct snd_soc_card *card;
        struct sun4i_codec *scodec;
        const struct sun4i_codec_quirks *quirks;
        struct resource *res;
        void __iomem *base;
        int ret;

        scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
        if (!scodec)
                return -ENOMEM;

        scodec->dev = &pdev->dev;

        base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
        if (IS_ERR(base))
                return PTR_ERR(base);

        quirks = of_device_get_match_data(&pdev->dev);
        if (quirks == NULL) {
                dev_err(&pdev->dev, "Failed to determine the quirks to use\n");
                return -ENODEV;
        }

        scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
                                               quirks->regmap_config);
        if (IS_ERR(scodec->regmap)) {
                dev_err(&pdev->dev, "Failed to create our regmap\n");
                return PTR_ERR(scodec->regmap);
        }

        /* Get the clocks from the DT */
        scodec->clk_apb = devm_clk_get_enabled(&pdev->dev, "apb");
        if (IS_ERR(scodec->clk_apb)) {
                dev_err(&pdev->dev, "Failed to get the APB clock\n");
                return PTR_ERR(scodec->clk_apb);
        }

        scodec->clk_module = devm_clk_get(&pdev->dev, "codec");
        if (IS_ERR(scodec->clk_module)) {
                dev_err(&pdev->dev, "Failed to get the module clock\n");
                return PTR_ERR(scodec->clk_module);
        }

        if (quirks->has_reset) {
                scodec->rst = devm_reset_control_get_exclusive_deasserted(&pdev->dev, NULL);
                if (IS_ERR(scodec->rst)) {
                        dev_err(&pdev->dev, "Failed to get reset control\n");
                        return PTR_ERR(scodec->rst);
                }
        }

        scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa",
                                                  GPIOD_OUT_LOW);
        if (IS_ERR(scodec->gpio_pa)) {
                ret = PTR_ERR(scodec->gpio_pa);
                dev_err_probe(&pdev->dev, ret, "Failed to get pa gpio\n");
                return ret;
        }

        scodec->gpio_hp = devm_gpiod_get_optional(&pdev->dev, "hp-det", GPIOD_IN);
        if (IS_ERR(scodec->gpio_hp)) {
                ret = PTR_ERR(scodec->gpio_hp);
                dev_err_probe(&pdev->dev, ret, "Failed to get hp-det gpio\n");
                return ret;
        }

        /* reg_field setup */
        scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev,
                                                        scodec->regmap,
                                                        quirks->reg_adc_fifoc);
        if (IS_ERR(scodec->reg_adc_fifoc)) {
                ret = PTR_ERR(scodec->reg_adc_fifoc);
                dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
                        ret);
                return ret;
        }

        scodec->reg_dac_fifoc = devm_regmap_field_alloc(&pdev->dev,
                                                        scodec->regmap,
                                                        quirks->reg_dac_fifoc);
        if (IS_ERR(scodec->reg_dac_fifoc)) {
                ret = PTR_ERR(scodec->reg_dac_fifoc);
                dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
                        ret);
                return ret;
        }

        /* DMA configuration for TX FIFO */
        scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
        scodec->playback_dma_data.maxburst = quirks->dma_max_burst;
        scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;

        if (!quirks->playback_only) {
                /* DMA configuration for RX FIFO */
                scodec->capture_dma_data.addr = res->start +
                                                quirks->reg_adc_rxdata;
                scodec->capture_dma_data.maxburst = quirks->dma_max_burst;
                scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
        }

        ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec,
                                     &sun4i_codec_dai, 1);
        if (ret) {
                dev_err(&pdev->dev, "Failed to register our codec\n");
                return ret;
        }

        ret = devm_snd_soc_register_component(&pdev->dev,
                                              &sun4i_codec_component,
                                              &dummy_cpu_dai, 1);
        if (ret) {
                dev_err(&pdev->dev, "Failed to register our DAI\n");
                return ret;
        }

        ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0);
        if (ret) {
                dev_err(&pdev->dev, "Failed to register against DMAEngine\n");
                return ret;
        }

        card = quirks->create_card(&pdev->dev);
        if (IS_ERR(card)) {
                ret = PTR_ERR(card);
                dev_err(&pdev->dev, "Failed to create our card\n");
                return ret;
        }

        snd_soc_card_set_drvdata(card, scodec);

        ret = snd_soc_register_card(card);
        if (ret) {
                dev_err_probe(&pdev->dev, ret, "Failed to register our card\n");
                return ret;
        }

        return 0;
}

static void sun4i_codec_remove(struct platform_device *pdev)
{
        struct snd_soc_card *card = platform_get_drvdata(pdev);

        snd_soc_unregister_card(card);
}

static struct platform_driver sun4i_codec_driver = {
        .driver = {
                .name = "sun4i-codec",
                .of_match_table = sun4i_codec_of_match,
        },
        .probe = sun4i_codec_probe,
        .remove = sun4i_codec_remove,
};
module_platform_driver(sun4i_codec_driver);

MODULE_DESCRIPTION("Allwinner A10 codec driver");
MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>");
MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
MODULE_AUTHOR("Ryan Walklin <ryan@testtoast.com");
MODULE_AUTHOR("Mesih Kilinc <mesikilinc@gmail.com>");
MODULE_LICENSE("GPL");