File: sun8i-codec-analog.c - Tab length: 1 2 4 8 - Lines: on off - No wrap: on off

/*
 * This driver supports the analog controls for the internal codec
 * found in Allwinner's A31s, A23, A33 and H3 SoCs.
 *
 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */


#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>

#include <linux/gpio.h>
#include <linux/gpio/consumer.h>

#include "sun8i-adda-pr-regmap.h"

/* Codec analog control register offsets and bit fields */
#define SUN8I_ADDA_HP_VOLC      0x00
#define SUN8I_ADDA_HP_VOLC_PA_CLK_GATE      7
#define SUN8I_ADDA_HP_VOLC_HP_VOL       0
#define SUN8I_ADDA_LOMIXSC      0x01
#define SUN8I_ADDA_LOMIXSC_MIC1         6
#define SUN8I_ADDA_LOMIXSC_MIC2         5
#define SUN8I_ADDA_LOMIXSC_PHONE        4
#define SUN8I_ADDA_LOMIXSC_PHONEN       3
#define SUN8I_ADDA_LOMIXSC_LINEINL      2
#define SUN8I_ADDA_LOMIXSC_DACL         1
#define SUN8I_ADDA_LOMIXSC_DACR         0
#define SUN8I_ADDA_ROMIXSC      0x02
#define SUN8I_ADDA_ROMIXSC_MIC1         6
#define SUN8I_ADDA_ROMIXSC_MIC2         5
#define SUN8I_ADDA_ROMIXSC_PHONE        4
#define SUN8I_ADDA_ROMIXSC_PHONEP       3
#define SUN8I_ADDA_ROMIXSC_LINEINR      2
#define SUN8I_ADDA_ROMIXSC_DACR         1
#define SUN8I_ADDA_ROMIXSC_DACL         0
#define SUN8I_ADDA_DAC_PA_SRC       0x03
#define SUN8I_ADDA_DAC_PA_SRC_DACAREN       7
#define SUN8I_ADDA_DAC_PA_SRC_DACALEN       6
#define SUN8I_ADDA_DAC_PA_SRC_RMIXEN        5
#define SUN8I_ADDA_DAC_PA_SRC_LMIXEN        4
#define SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE     3
#define SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE     2
#define SUN8I_ADDA_DAC_PA_SRC_RHPIS     1
#define SUN8I_ADDA_DAC_PA_SRC_LHPIS     0
#define SUN8I_ADDA_PHONEIN_GCTRL    0x04
#define SUN8I_ADDA_PHONEIN_GCTRL_PHONEPG    4
#define SUN8I_ADDA_PHONEIN_GCTRL_PHONENG    0
#define SUN8I_ADDA_LINEIN_GCTRL     0x05
#define SUN8I_ADDA_LINEIN_GCTRL_LINEING     4
#define SUN8I_ADDA_LINEIN_GCTRL_PHONEG      0
#define SUN8I_ADDA_MICIN_GCTRL      0x06
#define SUN8I_ADDA_MICIN_GCTRL_MIC1G        4
#define SUN8I_ADDA_MICIN_GCTRL_MIC2G        0
#define SUN8I_ADDA_PAEN_HP_CTRL     0x07
#define SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN      7
#define SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN   7   /* H3 specific */
#define SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC    5
#define SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN     4
#define SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL    2
#define SUN8I_ADDA_PAEN_HP_CTRL_LTRNMUTE    1
#define SUN8I_ADDA_PAEN_HP_CTRL_RTLNMUTE    0
#define SUN8I_ADDA_PHONEOUT_CTRL    0x08
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTG  5
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTEN 4
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC1  3
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC2  2
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_RMIX  1
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_LMIX  0
#define SUN8I_ADDA_PHONE_GAIN_CTRL  0x09
#define SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL  3
#define SUN8I_ADDA_PHONE_GAIN_CTRL_PHONEPREG    0
#define SUN8I_ADDA_MIC2G_CTRL       0x0a
#define SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN     7
#define SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST     4
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN    3
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN    2
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC   1
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC   0
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL   0x0b
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN    7
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN    6
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE 5
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN     3
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST     0
#define SUN8I_ADDA_LADCMIXSC        0x0c
#define SUN8I_ADDA_LADCMIXSC_MIC1       6
#define SUN8I_ADDA_LADCMIXSC_MIC2       5
#define SUN8I_ADDA_LADCMIXSC_PHONE      4
#define SUN8I_ADDA_LADCMIXSC_PHONEN     3
#define SUN8I_ADDA_LADCMIXSC_LINEINL        2
#define SUN8I_ADDA_LADCMIXSC_OMIXRL     1
#define SUN8I_ADDA_LADCMIXSC_OMIXRR     0
#define SUN8I_ADDA_RADCMIXSC        0x0d
#define SUN8I_ADDA_RADCMIXSC_MIC1       6
#define SUN8I_ADDA_RADCMIXSC_MIC2       5
#define SUN8I_ADDA_RADCMIXSC_PHONE      4
#define SUN8I_ADDA_RADCMIXSC_PHONEP     3
#define SUN8I_ADDA_RADCMIXSC_LINEINR        2
#define SUN8I_ADDA_RADCMIXSC_OMIXR      1
#define SUN8I_ADDA_RADCMIXSC_OMIXL      0
#define SUN8I_ADDA_RES          0x0e
#define SUN8I_ADDA_RES_MMICBIAS_SEL     4
#define SUN8I_ADDA_RES_PA_ANTI_POP_CTRL     0
#define SUN8I_ADDA_ADC_AP_EN        0x0f
#define SUN8I_ADDA_ADC_AP_EN_ADCREN     7
#define SUN8I_ADDA_ADC_AP_EN_ADCLEN     6
#define SUN8I_ADDA_ADC_AP_EN_ADCG       0

/* mixer controls */
static const struct snd_kcontrol_new sun8i_codec_mixer_controls[] = {
    SOC_DAPM_DOUBLE_R("DAC Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
    SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
    SOC_DAPM_DOUBLE_R("Line In Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_LINEINL, 1, 0),
    SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
    SOC_DAPM_DOUBLE_R("Mic2 Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
};

/* mixer controls */
static const struct snd_kcontrol_new sun8i_v3s_codec_mixer_controls[] = {
    SOC_DAPM_DOUBLE_R("DAC Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
    SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
    SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
              SUN8I_ADDA_LOMIXSC,
              SUN8I_ADDA_ROMIXSC,
              SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
    SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
    SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
    SOC_DAPM_DOUBLE_R("Line In Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_LINEINL, 1, 0),
    SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
    SOC_DAPM_DOUBLE_R("Mic2 Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_v3s_codec_adc_mixer_controls[] = {
    SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
    SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
    SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
              SUN8I_ADDA_LADCMIXSC,
              SUN8I_ADDA_RADCMIXSC,
              SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
};

/* volume / mute controls */
static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
                  -450, 150, 0);
static const DECLARE_TLV_DB_RANGE(sun8i_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 sun8i_codec_common_controls[] = {
    /* Mixer pre-gain */
    SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
               SUN8I_ADDA_MICIN_GCTRL_MIC1G,
               0x7, 0, sun8i_codec_out_mixer_pregain_scale),

    /* Microphone Amp boost gain */
    SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
               SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
               sun8i_codec_mic_gain_scale),

    /* ADC */
    SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
               SUN8I_ADDA_ADC_AP_EN_ADCG, 0x7, 0,
               sun8i_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
    /* ADC */
    SND_SOC_DAPM_ADC("Left ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
             SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0),
    SND_SOC_DAPM_ADC("Right ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
             SUN8I_ADDA_ADC_AP_EN_ADCREN, 0),

    /* DAC */
    SND_SOC_DAPM_DAC("Left DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
             SUN8I_ADDA_DAC_PA_SRC_DACALEN, 0),
    SND_SOC_DAPM_DAC("Right DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
             SUN8I_ADDA_DAC_PA_SRC_DACAREN, 0),
    /*
     * Due to this component and the codec belonging to separate DAPM
     * contexts, we need to manually link the above widgets to their
     * stream widgets at the card level.
     */


    /* Microphone input */
    SND_SOC_DAPM_INPUT("MIC1"),

    /* Mic input path */
    SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
             SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
};

static const struct snd_soc_dapm_widget sun8i_codec_mixer_widgets[] = {
    SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
               SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
               sun8i_codec_mixer_controls,
               ARRAY_SIZE(sun8i_codec_mixer_controls)),
    SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
               SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
               sun8i_codec_mixer_controls,
               ARRAY_SIZE(sun8i_codec_mixer_controls)),
    SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
               SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
               sun8i_codec_adc_mixer_controls,
               ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
    SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
               SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
               sun8i_codec_adc_mixer_controls,
               ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
};

static const struct snd_soc_dapm_widget sun8i_v3s_codec_mixer_widgets[] = {
    SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
               SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
               sun8i_v3s_codec_mixer_controls,
               ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
    SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
               SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
               sun8i_v3s_codec_mixer_controls,
               ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
    SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
               SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
               sun8i_v3s_codec_adc_mixer_controls,
               ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
    SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
               SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
               sun8i_v3s_codec_adc_mixer_controls,
               ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
};

static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
    /* Microphone Routes */
    { "Mic1 Amplifier", NULL, "MIC1"},
};

static const struct snd_soc_dapm_route sun8i_codec_mixer_routes[] = {
    /* Left Mixer Routes */
    { "Left Mixer", "DAC Playback Switch", "Left DAC" },
    { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
    { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },

    /* Right Mixer Routes */
    { "Right Mixer", "DAC Playback Switch", "Right DAC" },
    { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
    { "Right Mixer", "Mic1 Playback Switch", "Mic1 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", "Mic1 Capture Switch", "Mic1 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", "Mic1 Capture Switch", "Mic1 Amplifier" },

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

/* headphone specific controls, widgets, and routes */
static const DECLARE_TLV_DB_SCALE(sun8i_codec_hp_vol_scale, -6300, 100, 1);
static const struct snd_kcontrol_new sun8i_codec_headphone_controls[] = {
    SOC_SINGLE_TLV("Master Playback Volume",
               SUN8I_ADDA_HP_VOLC,
               SUN8I_ADDA_HP_VOLC_HP_VOL, 0x3f, 0,
               sun8i_codec_hp_vol_scale),
    SOC_DOUBLE("Headphone Playback Switch",
           SUN8I_ADDA_DAC_PA_SRC,
           SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE,
           SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE, 1, 0),
};

static const char * const sun8i_codec_hp_src_enum_text[] = {
    "DAC", "Mixer",
};

static SOC_ENUM_DOUBLE_DECL(sun8i_codec_hp_src_enum,
                SUN8I_ADDA_DAC_PA_SRC,
                SUN8I_ADDA_DAC_PA_SRC_LHPIS,
                SUN8I_ADDA_DAC_PA_SRC_RHPIS,
                sun8i_codec_hp_src_enum_text);

static const struct snd_kcontrol_new sun8i_codec_hp_src[] = {
    SOC_DAPM_ENUM("Headphone Source Playback Route",
              sun8i_codec_hp_src_enum),
};

static int sun8i_headphone_amp_event(struct snd_soc_dapm_widget *w,
                     struct snd_kcontrol *k, int event)
{
    struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);

    if (SND_SOC_DAPM_EVENT_ON(event)) {
        snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
                          BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
                          BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN));
        /*
         * Need a delay to have the amplifier up. 700ms seems the best
         * compromise between the time to let the amplifier up and the
         * time not to feel this delay while playing a sound.
         */

        msleep(700);
    } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
        snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
                          BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
                          0x0);
    }

    return 0;
}

static const struct snd_soc_dapm_widget sun8i_codec_headphone_widgets[] = {
    SND_SOC_DAPM_MUX("Headphone Source Playback Route",
             SND_SOC_NOPM, 0, 0, sun8i_codec_hp_src),
    SND_SOC_DAPM_OUT_DRV_E("Headphone Amp", SUN8I_ADDA_PAEN_HP_CTRL,
                   SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN, 0, NULL, 0,
                   sun8i_headphone_amp_event,
                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
    SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN8I_ADDA_PAEN_HP_CTRL,
                SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN, 0, NULL, 0),
    SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN8I_ADDA_PAEN_HP_CTRL,
             SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC, 0x3, 0x3, 0),
    SND_SOC_DAPM_OUTPUT("HP"),
};

static const struct snd_soc_dapm_route sun8i_codec_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" },
    { "HPCOM", NULL, "HPCOM Protection" },
    { "HP", NULL, "Headphone Amp" },
};

static int sun8i_codec_add_headphone(struct snd_soc_component *cmpnt)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    ret = snd_soc_add_component_controls(cmpnt,
                         sun8i_codec_headphone_controls,
                         ARRAY_SIZE(sun8i_codec_headphone_controls));
    if (ret) {
        dev_err(dev, "Failed to add Headphone controls: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_headphone_widgets,
                    ARRAY_SIZE(sun8i_codec_headphone_widgets));
    if (ret) {
        dev_err(dev, "Failed to add Headphone DAPM widgets: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_headphone_routes,
                      ARRAY_SIZE(sun8i_codec_headphone_routes));
    if (ret) {
        dev_err(dev, "Failed to add Headphone DAPM routes: %d\n", ret);
        return ret;
    }

    return 0;
}

/* mbias specific widget */
static const struct snd_soc_dapm_widget sun8i_codec_mbias_widgets[] = {
    SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
                SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
                0, NULL, 0),
};

static int sun8i_codec_add_mbias(struct snd_soc_component *cmpnt)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mbias_widgets,
                    ARRAY_SIZE(sun8i_codec_mbias_widgets));
    if (ret)
        dev_err(dev, "Failed to add MBIAS DAPM widgets: %d\n", ret);

    return ret;
}

/* hmic specific widget */
static const struct snd_soc_dapm_widget sun8i_codec_hmic_widgets[] = {
    SND_SOC_DAPM_SUPPLY("HBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
                SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN,
                0, NULL, 0),
};

static int sun8i_codec_add_hmic(struct snd_soc_component *cmpnt)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_hmic_widgets,
                    ARRAY_SIZE(sun8i_codec_hmic_widgets));
    if (ret)
        dev_err(dev, "Failed to add Mic3 DAPM widgets: %d\n", ret);

    return ret;
}

/* line in specific controls, widgets and rines */
static const struct snd_kcontrol_new sun8i_codec_linein_controls[] = {
    /* Mixer pre-gain */
    SOC_SINGLE_TLV("Line In Playback Volume", SUN8I_ADDA_LINEIN_GCTRL,
               SUN8I_ADDA_LINEIN_GCTRL_LINEING,
               0x7, 0, sun8i_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_linein_widgets[] = {
    /* Line input */
    SND_SOC_DAPM_INPUT("LINEIN"),
};

static const struct snd_soc_dapm_route sun8i_codec_linein_routes[] = {
    { "Left Mixer", "Line In Playback Switch", "LINEIN" },

    { "Right Mixer", "Line In Playback Switch", "LINEIN" },

    { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },

    { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
};

static int sun8i_codec_add_linein(struct snd_soc_component *cmpnt)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    ret = snd_soc_add_component_controls(cmpnt,
                         sun8i_codec_linein_controls,
                         ARRAY_SIZE(sun8i_codec_linein_controls));
    if (ret) {
        dev_err(dev, "Failed to add Line In controls: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_linein_widgets,
                    ARRAY_SIZE(sun8i_codec_linein_widgets));
    if (ret) {
        dev_err(dev, "Failed to add Line In DAPM widgets: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_linein_routes,
                      ARRAY_SIZE(sun8i_codec_linein_routes));
    if (ret) {
        dev_err(dev, "Failed to add Line In DAPM routes: %d\n", ret);
        return ret;
    }

    return 0;
}


/* line out specific controls, widgets and routes */
static const DECLARE_TLV_DB_RANGE(sun8i_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 struct snd_kcontrol_new sun8i_codec_lineout_controls[] = {
    SOC_SINGLE_TLV("Line Out Playback Volume",
               SUN8I_ADDA_PHONE_GAIN_CTRL,
               SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL, 0x1f, 0,
               sun8i_codec_lineout_vol_scale),
    SOC_DOUBLE("Line Out Playback Switch",
           SUN8I_ADDA_MIC2G_CTRL,
           SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN,
           SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN, 1, 0),
};

static const char * const sun8i_codec_lineout_src_enum_text[] = {
    "Stereo", "Mono Differential",
};

static SOC_ENUM_DOUBLE_DECL(sun8i_codec_lineout_src_enum,
                SUN8I_ADDA_MIC2G_CTRL,
                SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC,
                SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC,
                sun8i_codec_lineout_src_enum_text);

static const struct snd_kcontrol_new sun8i_codec_lineout_src[] = {
    SOC_DAPM_ENUM("Line Out Source Playback Route",
              sun8i_codec_lineout_src_enum),
};

static const struct snd_soc_dapm_widget sun8i_codec_lineout_widgets[] = {
    SND_SOC_DAPM_MUX("Line Out Source Playback Route",
             SND_SOC_NOPM, 0, 0, sun8i_codec_lineout_src),
    /* It is unclear if this is a buffer or gate, model it as a supply */
    SND_SOC_DAPM_SUPPLY("Line Out Enable", SUN8I_ADDA_PAEN_HP_CTRL,
                SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN, 0, NULL, 0),
    SND_SOC_DAPM_OUTPUT("LINEOUT"),
};

static const struct snd_soc_dapm_route sun8i_codec_lineout_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" },
    { "LINEOUT", NULL, "Line Out Enable", },
};

static int sun8i_codec_add_lineout(struct snd_soc_component *cmpnt)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    ret = snd_soc_add_component_controls(cmpnt,
                         sun8i_codec_lineout_controls,
                         ARRAY_SIZE(sun8i_codec_lineout_controls));
    if (ret) {
        dev_err(dev, "Failed to add Line Out controls: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_lineout_widgets,
                    ARRAY_SIZE(sun8i_codec_lineout_widgets));
    if (ret) {
        dev_err(dev, "Failed to add Line Out DAPM widgets: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_lineout_routes,
                      ARRAY_SIZE(sun8i_codec_lineout_routes));
    if (ret) {
        dev_err(dev, "Failed to add Line Out DAPM routes: %d\n", ret);
        return ret;
    }

    return 0;
}

/* mic2 specific controls, widgets and routes */
static const struct snd_kcontrol_new sun8i_codec_mic2_controls[] = {
    /* Mixer pre-gain */
    SOC_SINGLE_TLV("Mic2 Playback Volume",
               SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
               0x7, 0, sun8i_codec_out_mixer_pregain_scale),

    /* Microphone Amp boost gain */
    SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
               SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
               sun8i_codec_mic_gain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_mic2_widgets[] = {
    /* Microphone input */
    SND_SOC_DAPM_INPUT("MIC2"),

    /* Mic input path */
    SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
             SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
};

static const struct snd_soc_dapm_route sun8i_codec_mic2_routes[] = {
    { "Mic2 Amplifier", NULL, "MIC2"},

    { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },

    { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },

    { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },

    { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
};

static int sun8i_codec_add_mic2(struct snd_soc_component *cmpnt)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    ret = snd_soc_add_component_controls(cmpnt,
                         sun8i_codec_mic2_controls,
                         ARRAY_SIZE(sun8i_codec_mic2_controls));
    if (ret) {
        dev_err(dev, "Failed to add MIC2 controls: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mic2_widgets,
                    ARRAY_SIZE(sun8i_codec_mic2_widgets));
    if (ret) {
        dev_err(dev, "Failed to add MIC2 DAPM widgets: %d\n", ret);
        return ret;
    }

    ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mic2_routes,
                      ARRAY_SIZE(sun8i_codec_mic2_routes));
    if (ret) {
        dev_err(dev, "Failed to add MIC2 DAPM routes: %d\n", ret);
        return ret;
    }

    return 0;
}

struct sun8i_codec_analog_quirks {
    bool has_headphone;
    bool has_hmic;
    bool has_linein;
    bool has_lineout;
    bool has_mbias;
    bool has_mic2;
};

static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
    .has_headphone  = true,
    //.has_hmic = true,
    .has_linein = true,
    .has_mbias  = true,
    .has_mic2   = true,
};

static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
    .has_linein = true,
    .has_lineout    = true,
    .has_mbias  = true,
    .has_mic2   = true,
};

static int sun8i_codec_analog_add_mixer(struct snd_soc_component *cmpnt,
                    const struct sun8i_codec_analog_quirks *quirks)
{
    struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
    struct device *dev = cmpnt->dev;
    int ret;

    if (!quirks->has_mic2 && !quirks->has_linein) {
        /*
         * Apply the special widget set which has uses a control
         * without MIC2 and Line In, for SoCs without these.
         * TODO: not all special cases are supported now, this case
         * is present because it's the case of V3s.
         */

        ret = snd_soc_dapm_new_controls(dapm,
                        sun8i_v3s_codec_mixer_widgets,
                        ARRAY_SIZE(sun8i_v3s_codec_mixer_widgets));
        if (ret) {
            dev_err(dev, "Failed to add V3s Mixer DAPM widgets: %d\n", ret);
            return ret;
        }
    } else {
        /* Apply the generic mixer widget set. */
        ret = snd_soc_dapm_new_controls(dapm,
                        sun8i_codec_mixer_widgets,
                        ARRAY_SIZE(sun8i_codec_mixer_widgets));
        if (ret) {
            dev_err(dev, "Failed to add Mixer DAPM widgets: %d\n", ret);
            return ret;
        }
    }

    ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mixer_routes,
                      ARRAY_SIZE(sun8i_codec_mixer_routes));
    if (ret) {
        dev_err(dev, "Failed to add Mixer DAPM routes: %d\n", ret);
        return ret;
    }

    return 0;
}

static const struct sun8i_codec_analog_quirks sun8i_v3s_quirks = {
    .has_headphone  = true,
    .has_hmic   = true,
};

static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
{
    struct device *dev = cmpnt->dev;
    const struct sun8i_codec_analog_quirks *quirks;
    int ret;

    /*
     * This would never return NULL unless someone directly registers a
     * platform device matching this driver's name, without specifying a
     * device tree node.
     */

    quirks = of_device_get_match_data(dev);

    /* Add controls, widgets, and routes for individual features */
    ret = sun8i_codec_analog_add_mixer(cmpnt, quirks);
    if (ret)
        return ret;

    if (quirks->has_headphone) {
        ret = sun8i_codec_add_headphone(cmpnt);
        if (ret)
            return ret;
    }

    if (quirks->has_hmic) {
        ret = sun8i_codec_add_hmic(cmpnt);
        if (ret)
            return ret;
    }

    if (quirks->has_linein) {
        ret = sun8i_codec_add_linein(cmpnt);
        if (ret)
            return ret;
    }

    if (quirks->has_lineout) {
        ret = sun8i_codec_add_lineout(cmpnt);
        if (ret)
            return ret;
    }

    if (quirks->has_mbias) {
        ret = sun8i_codec_add_mbias(cmpnt);
        if (ret)
            return ret;
    }

    if (quirks->has_mic2) {
        ret = sun8i_codec_add_mic2(cmpnt);
        if (ret)
            return ret;
    }

    return 0;
}

static const struct snd_soc_component_driver sun8i_codec_analog_cmpnt_drv = {
    .controls       = sun8i_codec_common_controls,
    .num_controls       = ARRAY_SIZE(sun8i_codec_common_controls),
    .dapm_widgets       = sun8i_codec_common_widgets,
    .num_dapm_widgets   = ARRAY_SIZE(sun8i_codec_common_widgets),
    .dapm_routes        = sun8i_codec_common_routes,
    .num_dapm_routes    = ARRAY_SIZE(sun8i_codec_common_routes),
    .probe          = sun8i_codec_analog_cmpnt_probe,
};

static const struct of_device_id sun8i_codec_analog_of_match[] = {
    {
        .compatible = "allwinner,sun8i-a23-codec-analog",
        .data = &sun8i_a23_quirks,
    },
    {
        .compatible = "allwinner,sun8i-h3-codec-analog",
        .data = &sun8i_h3_quirks,
    },
    {
        .compatible = "allwinner,sun8i-v3s-codec-analog",
        .data = &sun8i_v3s_quirks,
    },
    {}
};
MODULE_DEVICE_TABLE(of, sun8i_codec_analog_of_match);

#define SUNXI_HMIC_ENABLE          (0x4)
#define SUNXI_HMIC_CTL             (0x8)
#define SUNXI_HMIC_DATA            (0xc)

#define HMIC_M                    (28)
#define HMIC_N                    (24)
#define HMIC_DIRQ                 (23)
#define HMIC_TH1_HYS              (21)
#define HMIC_EARPHONE_OUT_IRQ_EN  (20)
#define HMIC_EARPHONE_IN_IRQ_EN   (19)
#define HMIC_KEY_UP_IRQ_EN        (18)
#define HMIC_KEY_DOWN_IRQ_EN      (17)
#define HMIC_DATA_IRQ_EN          (16)
#define HMIC_DS_SAMP              (14)
#define HMIC_TH2_HYS              (13)
#define HMIC_TH2_KEY              (8)
#define HMIC_SF_SMOOTH_FIL        (6)
#define KEY_UP_IRQ_PEND           (5)
#define HMIC_TH1_EARPHONE         (0)

#define HMIC_EARPHONE_OUT_IRQ_PEND  (20)
#define HMIC_EARPHONE_IN_IRQ_PEND   (19)
#define HMIC_KEY_UP_IRQ_PEND        (18)
#define HMIC_KEY_DOWN_IRQ_PEND      (17)
#define HMIC_DATA_IRQ_PEND          (16)
#define HMIC_ADC_DATA               (0)

#define HP_VOLC                   (0x00)
#define LOMIXSC                   (0x01)
#define ROMIXSC                   (0x02)
#define DAC_PA_SRC                (0x03)
#define PAEN_HP_CTRL              (0x07)
#define ADDA_APT2                 (0x12)
#define MIC1G_MICBIAS_CTRL        (0x0B)
#define PA_ANTI_POP_REG_CTRL      (0x0E)
#define PA_SLOPE_SELECT   (3)
#define PA_ANTI_POP_EN      (0)

static void __iomem *sun8i_codec_analog_base;
static struct gpio_desc * speaker_amplifier_gpio;

struct regmap * rmap = 0;

static int hmic_wrreg_prcm_bits(unsigned short reg, unsigned int mask, unsigned int value)
{
    unsigned int old, new;
    if( !rmap ) return 0;
    regmap_read(rmap, reg, &old);
    //adda_reg_read(sun8i_codec_analog_base, reg, &old);
    new =   (old & ~mask) | value;
    //adda_reg_write(sun8i_codec_analog_base, reg,new);
    regmap_write(rmap, reg,new);

    return 0;
}

static int hmic_wr_prcm_control(u32 reg, u32 mask, u32 shift, u32 val)
{
    u32 reg_val;
    reg_val = val << shift;
    mask = mask << shift;
    hmic_wrreg_prcm_bits(reg, mask, reg_val);
    return 0;
}

static int hmic_wrreg_bits(unsigned short reg, unsigned int mask,   unsigned int value)
{
    unsigned int old, new;

    old =   readl(sun8i_codec_analog_base + reg);
    new =   (old & ~mask) | value;

    writel(new, sun8i_codec_analog_base + reg);

    return 0;
}

static int hmic_wr_control(u32 reg, u32 mask, u32 shift, u32 val)
{
    u32 reg_val;
    reg_val = val << shift;
    mask = mask << shift;
    hmic_wrreg_bits(reg, mask, reg_val);
    return 0;
}

static irqreturn_t sunxi_codec_analog_irq(int irq, void *dev_id)
{
    u32 tmp;

    hmic_wr_control(SUNXI_HMIC_DATA, 0x1, HMIC_KEY_DOWN_IRQ_PEND, 0x1);
    hmic_wr_control(SUNXI_HMIC_DATA, 0x1, HMIC_EARPHONE_IN_IRQ_PEND, 0x1);
    hmic_wr_control(SUNXI_HMIC_DATA, 0x1, HMIC_KEY_UP_IRQ_PEND, 0x1);
    hmic_wr_control(SUNXI_HMIC_DATA, 0x1, HMIC_EARPHONE_OUT_IRQ_PEND, 0x1);
    hmic_wr_control(SUNXI_HMIC_DATA, 0x1, HMIC_DATA_IRQ_PEND, 0x1);

    tmp = readl(sun8i_codec_analog_base + SUNXI_HMIC_DATA);
    if(tmp & 0x1f)
        gpiod_set_value(speaker_amplifier_gpio, 0);
    else
        gpiod_set_value(speaker_amplifier_gpio, 1);

    return IRQ_HANDLED;
}

static void sunxi_hppa_enable(void) {
    /*fix the resume blaze blaze noise*/
    hmic_wr_prcm_control(ADDA_APT2, 0x1, PA_SLOPE_SELECT, 0x0);
    hmic_wr_prcm_control(SUN8I_ADDA_PAEN_HP_CTRL, 0x3, SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL, 0x1);
    hmic_wr_prcm_control(PA_ANTI_POP_REG_CTRL, 0x7, PA_ANTI_POP_EN, 0x2);
    usleep_range(100,200);
    /*enable pa*/
    hmic_wr_prcm_control(SUN8I_ADDA_PAEN_HP_CTRL, 0x1, SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN, 0x1);
}

static void sunxi_hbias_enable(void) {
    /*audio codec hardware bug. the HBIASADCEN bit must be enable in init*/
    hmic_wr_prcm_control(SUN8I_ADDA_MIC1G_MICBIAS_CTRL, 0x1, SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE, 0x1);
    hmic_wr_prcm_control(SUN8I_ADDA_MIC1G_MICBIAS_CTRL, 0x1, SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN, 0x1);
}

static void codec_init_events(void)
{
    /*fix the resume blaze blaze noise*/
    sunxi_hppa_enable();
    msleep(450);
    /*audio codec hardware bug. the HBIASADCEN bit must be enable in init*/
    sunxi_hbias_enable();
}

static int sun8i_codec_analog_probe(struct platform_device *pdev)
{
    struct resource *res;
    struct regmap *regmap;
    void __iomem *base;
    int irq, ret;

    res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
    base = devm_ioremap_resource(&pdev->dev, res);
    if (IS_ERR(base)) {
        dev_err(&pdev->dev, "Failed to map the registers\n");
        return PTR_ERR(base);
    }

    sun8i_codec_analog_base = base;

    hmic_wr_control(SUNXI_HMIC_CTL, 0xf, HMIC_M, 0x0);                      /*0xf should be get from hw_debug 28*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0xf, HMIC_N, 0x0);                      /*0xf should be get from hw_debug 24 0xf*/
//  hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_DIRQ, 0x1);                   /*23*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_EARPHONE_OUT_IRQ_EN, 0x1);    /*20*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_EARPHONE_IN_IRQ_EN, 0x1);     /*19*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_KEY_UP_IRQ_EN, 0x1);          /*18*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_KEY_DOWN_IRQ_EN, 0x1);        /*17*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1, HMIC_DATA_IRQ_EN, 0x1);            /*16*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x3, HMIC_DS_SAMP, 0x0);                /*14 */
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1f, HMIC_TH2_KEY, 0x0);               /*0xf should be get from hw_debug 8*/
    hmic_wr_control(SUNXI_HMIC_CTL, 0x1f, HMIC_TH1_EARPHONE, 0x1);          /*0x1 should be get from hw_debug 0*/

    speaker_amplifier_gpio = devm_gpiod_get_optional(&pdev->dev, "speaker-amplifier", GPIOD_OUT_HIGH);
    if (IS_ERR(speaker_amplifier_gpio))
        dev_err(&pdev->dev, "Can't get speaker_amplifier_gpio\n");

    irq = platform_get_irq(pdev, 0);
    if (irq < 0) {
        dev_err(&pdev->dev, "Can't retrieve our interrupt\n");
        return irq;
    }

    ret = devm_request_irq(&pdev->dev, irq, sunxi_codec_analog_irq, 0, "audio_hmic_irq", NULL);
    if (ret) {
        dev_err(&pdev->dev, "can't register interrupt handler irq %d: %d\n",
            irq, ret);
        return ret;
    }

    codec_init_events();

    regmap = sun8i_adda_pr_regmap_init(&pdev->dev, base);
    if (IS_ERR(regmap)) {
        rmap = 0;
        dev_err(&pdev->dev, "Failed to create regmap\n");
        return PTR_ERR(regmap);
    }

    rmap = regmap;

    return devm_snd_soc_register_component(&pdev->dev,
                           &sun8i_codec_analog_cmpnt_drv,
                           NULL, 0);
}

static struct platform_driver sun8i_codec_analog_driver = {
    .driver = {
        .name = "sun8i-codec-analog",
        .of_match_table = sun8i_codec_analog_of_match,
    },
    .probe = sun8i_codec_analog_probe,
};
module_platform_driver(sun8i_codec_analog_driver);

MODULE_DESCRIPTION("Allwinner internal codec analog controls driver");
MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:sun8i-codec-analog");