/* $NetBSD: sun50i_a64_acodec.c,v 1.10 2021/01/27 03:10:20 thorpej Exp $ */

/*-
 * Copyright (c) 2018 Jared McNeill <jmcneill@invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sun50i_a64_acodec.c,v 1.10 2021/01/27 03:10:20 thorpej Exp $");

#include <sys/param.h>
#include <sys/bus.h>
#include <sys/cpu.h>
#include <sys/device.h>
#include <sys/kmem.h>
#include <sys/bitops.h>

#include <dev/audio/audio_dai.h>

#include <dev/fdt/fdtvar.h>

#define A64_PR_CFG              0x00
#define  A64_AC_PR_RST          __BIT(28)
#define  A64_AC_PR_RW           __BIT(24)
#define  A64_AC_PR_ADDR         __BITS(20,16)
#define  A64_ACDA_PR_WDAT       __BITS(15,8)
#define  A64_ACDA_PR_RDAT       __BITS(7,0)

#define A64_HP_CTRL             0x00
#define  A64_HPPA_EN            __BIT(6)
#define  A64_HPVOL              __BITS(5,0)
#define A64_OL_MIX_CTRL         0x01
#define  A64_LMIXMUTE_LDAC      __BIT(1)
#define A64_OR_MIX_CTRL         0x02
#define  A64_RMIXMUTE_RDAC      __BIT(1)
#define A64_LINEOUT_CTRL0       0x05
#define  A64_LINEOUT_LEFT_EN    __BIT(7)
#define  A64_LINEOUT_RIGHT_EN   __BIT(6)
#define  A64_LINEOUT_EN         (A64_LINEOUT_LEFT_EN|A64_LINEOUT_RIGHT_EN)
#define A64_LINEOUT_CTRL1       0x06
#define  A64_LINEOUT_VOL        __BITS(4,0)
#define A64_MIC1_CTRL           0x07
#define  A64_MIC1G              __BITS(6,4)
#define  A64_MIC1AMPEN          __BIT(3)
#define  A64_MIC1BOOST          __BITS(2,0)
#define A64_MIC2_CTRL           0x08
#define  A64_MIC2_SEL           __BIT(7)
#define  A64_MIC2G              __BITS(6,4)
#define  A64_MIC2AMPEN          __BIT(3)
#define  A64_MIC2BOOST          __BITS(2,0)
#define A64_LINEIN_CTRL         0x09
#define  A64_LINEING            __BITS(6,4)
#define A64_MIX_DAC_CTRL        0x0a
#define  A64_DACAREN            __BIT(7)
#define  A64_DACALEN            __BIT(6)
#define  A64_RMIXEN             __BIT(5)
#define  A64_LMIXEN             __BIT(4)
#define  A64_RHPPAMUTE          __BIT(3)
#define  A64_LHPPAMUTE          __BIT(2)
#define  A64_RHPIS              __BIT(1)
#define  A64_LHPIS              __BIT(0)
#define A64_L_ADCMIX_SRC        0x0b
#define A64_R_ADCMIX_SRC        0x0c
#define  A64_ADCMIX_SRC_MIC1    __BIT(6)
#define  A64_ADCMIX_SRC_MIC2    __BIT(5)
#define  A64_ADCMIX_SRC_LINEIN  __BIT(2)
#define  A64_ADCMIX_SRC_OMIXER  __BIT(1)
#define A64_ADC_CTRL            0x0d
#define  A64_ADCREN             __BIT(7)
#define  A64_ADCLEN             __BIT(6)
#define  A64_ADCG               __BITS(2,0)
#define A64_JACK_MIC_CTRL       0x1d
#define  A64_JACKDETEN          __BIT(7)
#define  A64_INNERRESEN         __BIT(6)
#define  A64_AUTOPLEN           __BIT(1)

struct a64_acodec_softc {
        device_t                sc_dev;
        bus_space_tag_t         sc_bst;
        bus_space_handle_t      sc_bsh;
        int                     sc_phandle;

        struct audio_dai_device sc_dai;
        int                     sc_master_dev;
};

enum a64_acodec_mixer_ctrl {
        A64_CODEC_OUTPUT_CLASS,
        A64_CODEC_INPUT_CLASS,
        A64_CODEC_RECORD_CLASS,

        A64_CODEC_OUTPUT_MASTER_VOLUME,
        A64_CODEC_OUTPUT_MUTE,
        A64_CODEC_OUTPUT_SOURCE,
        A64_CODEC_INPUT_LINE_VOLUME,
        A64_CODEC_INPUT_HP_VOLUME,
        A64_CODEC_RECORD_LINE_VOLUME,
        A64_CODEC_RECORD_MIC1_VOLUME,
        A64_CODEC_RECORD_MIC1_PREAMP,
        A64_CODEC_RECORD_MIC2_VOLUME,
        A64_CODEC_RECORD_MIC2_PREAMP,
        A64_CODEC_RECORD_AGC_VOLUME,
        A64_CODEC_RECORD_SOURCE,

        A64_CODEC_MIXER_CTRL_LAST
};

#define A64_OUTPUT_SOURCE_LINE  __BIT(0)
#define A64_OUTPUT_SOURCE_HP    __BIT(1)

static const struct a64_acodec_mixer {
        const char *                    name;
        enum a64_acodec_mixer_ctrl      mixer_class;
        u_int                           reg;
        u_int                           mask;
} a64_acodec_mixers[A64_CODEC_MIXER_CTRL_LAST] = {
        [A64_CODEC_INPUT_LINE_VOLUME]   = { AudioNline,
            A64_CODEC_INPUT_CLASS, A64_LINEOUT_CTRL1, A64_LINEOUT_VOL },
        [A64_CODEC_INPUT_HP_VOLUME]     = { AudioNheadphone,
            A64_CODEC_INPUT_CLASS, A64_HP_CTRL, A64_HPVOL },

        [A64_CODEC_RECORD_LINE_VOLUME]  = { AudioNline,
            A64_CODEC_RECORD_CLASS, A64_LINEIN_CTRL, A64_LINEING },
        [A64_CODEC_RECORD_MIC1_VOLUME]  = { AudioNmicrophone,
            A64_CODEC_RECORD_CLASS, A64_MIC1_CTRL, A64_MIC1G },
        [A64_CODEC_RECORD_MIC2_VOLUME]  = { AudioNmicrophone "2",
            A64_CODEC_RECORD_CLASS, A64_MIC2_CTRL, A64_MIC2G },
        [A64_CODEC_RECORD_AGC_VOLUME]   = { AudioNagc,
            A64_CODEC_RECORD_CLASS, A64_ADC_CTRL, A64_ADCG },
};

#define RD4(sc, reg)                    \
        bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
#define WR4(sc, reg, val)               \
        bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))

static u_int
a64_acodec_pr_read(struct a64_acodec_softc *sc, u_int addr)
{
        uint32_t val;

        /* Read current value */
        val = RD4(sc, A64_PR_CFG);

        /* De-assert reset */
        val |= A64_AC_PR_RST;
        WR4(sc, A64_PR_CFG, val);

        /* Read mode */
        val &= ~A64_AC_PR_RW;
        WR4(sc, A64_PR_CFG, val);

        /* Set address */
        val &= ~A64_AC_PR_ADDR;
        val |= __SHIFTIN(addr, A64_AC_PR_ADDR);
        WR4(sc, A64_PR_CFG, val);

        /* Read data */
        return __SHIFTOUT(RD4(sc, A64_PR_CFG), A64_ACDA_PR_RDAT);
}

static void
a64_acodec_pr_write(struct a64_acodec_softc *sc, u_int addr, u_int data)
{
        uint32_t val;

        /* Read current value */
        val = RD4(sc, A64_PR_CFG);

        /* De-assert reset */
        val |= A64_AC_PR_RST;
        WR4(sc, A64_PR_CFG, val);

        /* Set address */
        val &= ~A64_AC_PR_ADDR;
        val |= __SHIFTIN(addr, A64_AC_PR_ADDR);
        WR4(sc, A64_PR_CFG, val);

        /* Write data */
        val &= ~A64_ACDA_PR_WDAT;
        val |= __SHIFTIN(data, A64_ACDA_PR_WDAT);
        WR4(sc, A64_PR_CFG, val);

        /* Write mode */
        val |= A64_AC_PR_RW;
        WR4(sc, A64_PR_CFG, val);

        /* Clear write mode */
        val &= ~A64_AC_PR_RW;
        WR4(sc, A64_PR_CFG, val);
}

static void
a64_acodec_pr_set_clear(struct a64_acodec_softc *sc, u_int addr, u_int set, u_int clr)
{
        u_int old, new;

        old = a64_acodec_pr_read(sc, addr);
        new = set | (old & ~clr);
        a64_acodec_pr_write(sc, addr, new);
}

static int
a64_acodec_trigger_output(void *priv, void *start, void *end, int blksize,
    void (*intr)(void *), void *intrarg, const audio_params_t *params)
{
        struct a64_acodec_softc * const sc = priv;

        /* Enable DAC analog l/r channels, HP PA, and output mixer */
        a64_acodec_pr_set_clear(sc, A64_MIX_DAC_CTRL,
            A64_DACAREN | A64_DACALEN | A64_RMIXEN | A64_LMIXEN |
            A64_RHPPAMUTE | A64_LHPPAMUTE, 0);

        return 0;
}

static int
a64_acodec_trigger_input(void *priv, void *start, void *end, int blksize,
    void (*intr)(void *), void *intrarg, const audio_params_t *params)
{
        struct a64_acodec_softc * const sc = priv;

        /* Enable ADC analog l/r channels */
        a64_acodec_pr_set_clear(sc, A64_ADC_CTRL,
            A64_ADCREN | A64_ADCLEN, 0);

        return 0;
}

static int
a64_acodec_halt_output(void *priv)
{
        struct a64_acodec_softc * const sc = priv;

        /* Disable DAC analog l/r channels, HP PA, and output mixer */
        a64_acodec_pr_set_clear(sc, A64_MIX_DAC_CTRL,
            0, A64_DACAREN | A64_DACALEN | A64_RMIXEN | A64_LMIXEN |
            A64_RHPPAMUTE | A64_LHPPAMUTE);

        return 0;
}

static int
a64_acodec_halt_input(void *priv)
{
        struct a64_acodec_softc * const sc = priv;

        /* Disable ADC analog l/r channels */
        a64_acodec_pr_set_clear(sc, A64_ADC_CTRL,
            0, A64_ADCREN | A64_ADCLEN);

        return 0;
}

static int
a64_acodec_set_port(void *priv, mixer_ctrl_t *mc)
{
        struct a64_acodec_softc * const sc = priv;
        const struct a64_acodec_mixer *mix;
        u_int val, shift;
        int nvol, dev;

        dev = mc->dev;
        if (dev == A64_CODEC_OUTPUT_MASTER_VOLUME)
                dev = sc->sc_master_dev;

        switch (dev) {
        case A64_CODEC_INPUT_LINE_VOLUME:
        case A64_CODEC_INPUT_HP_VOLUME:
        case A64_CODEC_RECORD_LINE_VOLUME:
        case A64_CODEC_RECORD_MIC1_VOLUME:
        case A64_CODEC_RECORD_MIC2_VOLUME:
        case A64_CODEC_RECORD_AGC_VOLUME:
                mix = &a64_acodec_mixers[dev];
                val = a64_acodec_pr_read(sc, mix->reg);
                shift = 8 - fls32(__SHIFTOUT_MASK(mix->mask));
                nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] >> shift;
                val &= ~mix->mask;
                val |= __SHIFTIN(nvol, mix->mask);
                a64_acodec_pr_write(sc, mix->reg, val);
                return 0;

        case A64_CODEC_RECORD_MIC1_PREAMP:
                if (mc->un.ord < 0 || mc->un.ord > 1)
                        return EINVAL;
                if (mc->un.ord) {
                        a64_acodec_pr_set_clear(sc, A64_MIC1_CTRL, A64_MIC1AMPEN, 0);
                } else {
                        a64_acodec_pr_set_clear(sc, A64_MIC1_CTRL, 0, A64_MIC1AMPEN);
                }
                return 0;
                        
        case A64_CODEC_RECORD_MIC2_PREAMP:
                if (mc->un.ord < 0 || mc->un.ord > 1)
                        return EINVAL;
                if (mc->un.ord) {
                        a64_acodec_pr_set_clear(sc, A64_MIC2_CTRL, A64_MIC2AMPEN, 0);
                } else {
                        a64_acodec_pr_set_clear(sc, A64_MIC2_CTRL, 0, A64_MIC2AMPEN);
                }
                return 0;

        case A64_CODEC_OUTPUT_MUTE:
                if (mc->un.ord < 0 || mc->un.ord > 1)
                        return EINVAL;
                if (mc->un.ord) {
                        a64_acodec_pr_set_clear(sc, A64_OL_MIX_CTRL,
                            0, A64_LMIXMUTE_LDAC);
                        a64_acodec_pr_set_clear(sc, A64_OR_MIX_CTRL,
                            0, A64_RMIXMUTE_RDAC);
                } else {
                        a64_acodec_pr_set_clear(sc, A64_OL_MIX_CTRL,
                            A64_LMIXMUTE_LDAC, 0);
                        a64_acodec_pr_set_clear(sc, A64_OR_MIX_CTRL,
                            A64_RMIXMUTE_RDAC, 0);
                }
                return 0;

        case A64_CODEC_OUTPUT_SOURCE:
                if (mc->un.mask & A64_OUTPUT_SOURCE_LINE)
                        a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
                            A64_LINEOUT_EN, 0);
                else
                        a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
                            0, A64_LINEOUT_EN);

                if (mc->un.mask & A64_OUTPUT_SOURCE_HP)
                        a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
                            A64_HPPA_EN, 0);
                else
                        a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
                            0, A64_HPPA_EN);
                return 0;

        case A64_CODEC_RECORD_SOURCE:
                a64_acodec_pr_write(sc, A64_L_ADCMIX_SRC, mc->un.mask);
                a64_acodec_pr_write(sc, A64_R_ADCMIX_SRC, mc->un.mask);
                return 0;
        }

        return ENXIO;
}

static int
a64_acodec_get_port(void *priv, mixer_ctrl_t *mc)
{
        struct a64_acodec_softc * const sc = priv;
        const struct a64_acodec_mixer *mix;
        u_int val, shift;
        int nvol, dev;

        dev = mc->dev;
        if (dev == A64_CODEC_OUTPUT_MASTER_VOLUME)
                dev = sc->sc_master_dev;

        switch (dev) {
        case A64_CODEC_INPUT_LINE_VOLUME:
        case A64_CODEC_INPUT_HP_VOLUME:
        case A64_CODEC_RECORD_LINE_VOLUME:
        case A64_CODEC_RECORD_MIC1_VOLUME:
        case A64_CODEC_RECORD_MIC2_VOLUME:
        case A64_CODEC_RECORD_AGC_VOLUME:
                mix = &a64_acodec_mixers[dev];
                val = a64_acodec_pr_read(sc, mix->reg);
                shift = 8 - fls32(__SHIFTOUT_MASK(mix->mask));
                nvol = __SHIFTOUT(val, mix->mask) << shift;
                mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = nvol;
                mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = nvol;
                return 0;

        case A64_CODEC_RECORD_MIC1_PREAMP:
                mc->un.ord = !!(a64_acodec_pr_read(sc, A64_MIC1_CTRL) & A64_MIC1AMPEN);
                return 0;
                        
        case A64_CODEC_RECORD_MIC2_PREAMP:
                mc->un.ord = !!(a64_acodec_pr_read(sc, A64_MIC2_CTRL) & A64_MIC2AMPEN);
                return 0;

        case A64_CODEC_OUTPUT_MUTE:
                mc->un.ord = 1;
                if (a64_acodec_pr_read(sc, A64_OL_MIX_CTRL) & A64_LMIXMUTE_LDAC)
                        mc->un.ord = 0;
                if (a64_acodec_pr_read(sc, A64_OR_MIX_CTRL) & A64_RMIXMUTE_RDAC)
                        mc->un.ord = 0;
                return 0;

        case A64_CODEC_OUTPUT_SOURCE:
                mc->un.mask = 0;
                if (a64_acodec_pr_read(sc, A64_LINEOUT_CTRL0) & A64_LINEOUT_EN)
                        mc->un.mask |= A64_OUTPUT_SOURCE_LINE;
                if (a64_acodec_pr_read(sc, A64_HP_CTRL) & A64_HPPA_EN)
                        mc->un.mask |= A64_OUTPUT_SOURCE_HP;
                return 0;

        case A64_CODEC_RECORD_SOURCE:
                mc->un.mask =
                    a64_acodec_pr_read(sc, A64_L_ADCMIX_SRC) |
                    a64_acodec_pr_read(sc, A64_R_ADCMIX_SRC);
                return 0;
        }

        return ENXIO;
}

static int
a64_acodec_query_devinfo(void *priv, mixer_devinfo_t *di)
{
        struct a64_acodec_softc * const sc = priv;
        const struct a64_acodec_mixer *mix;

        switch (di->index) {
        case A64_CODEC_OUTPUT_CLASS:
                di->mixer_class = di->index;
                strcpy(di->label.name, AudioCoutputs);
                di->type = AUDIO_MIXER_CLASS;
                di->next = di->prev = AUDIO_MIXER_LAST;
                return 0;

        case A64_CODEC_INPUT_CLASS:
                di->mixer_class = di->index;
                strcpy(di->label.name, AudioCinputs);
                di->type = AUDIO_MIXER_CLASS;
                di->next = di->prev = AUDIO_MIXER_LAST;
                return 0;

        case A64_CODEC_RECORD_CLASS:
                di->mixer_class = di->index;
                strcpy(di->label.name, AudioCrecord);
                di->type = AUDIO_MIXER_CLASS;
                di->next = di->prev = AUDIO_MIXER_LAST;
                return 0;

        case A64_CODEC_OUTPUT_MASTER_VOLUME:
                mix = &a64_acodec_mixers[sc->sc_master_dev];
                di->mixer_class = A64_CODEC_OUTPUT_CLASS;
                strcpy(di->label.name, AudioNmaster);
                di->un.v.delta =
                    256 / (__SHIFTOUT_MASK(mix->mask) + 1);
                di->type = AUDIO_MIXER_VALUE;
                di->next = di->prev = AUDIO_MIXER_LAST;
                di->un.v.num_channels = 2;
                strcpy(di->un.v.units.name, AudioNvolume);
                return 0;

        case A64_CODEC_INPUT_LINE_VOLUME:
        case A64_CODEC_INPUT_HP_VOLUME:
        case A64_CODEC_RECORD_LINE_VOLUME:
        case A64_CODEC_RECORD_MIC1_VOLUME:
        case A64_CODEC_RECORD_MIC2_VOLUME:
        case A64_CODEC_RECORD_AGC_VOLUME:
                mix = &a64_acodec_mixers[di->index];
                di->mixer_class = mix->mixer_class;
                strcpy(di->label.name, mix->name);
                di->un.v.delta =
                    256 / (__SHIFTOUT_MASK(mix->mask) + 1);
                di->type = AUDIO_MIXER_VALUE;
                di->prev = AUDIO_MIXER_LAST;
                if (di->index == A64_CODEC_RECORD_MIC1_VOLUME)
                        di->next = A64_CODEC_RECORD_MIC1_PREAMP;
                else if (di->index == A64_CODEC_RECORD_MIC2_VOLUME)
                        di->next = A64_CODEC_RECORD_MIC2_PREAMP;
                else
                        di->next = AUDIO_MIXER_LAST;
                di->un.v.num_channels = 2;
                strcpy(di->un.v.units.name, AudioNvolume);
                return 0;

        case A64_CODEC_RECORD_MIC1_PREAMP:
        case A64_CODEC_RECORD_MIC2_PREAMP:
                di->mixer_class = A64_CODEC_RECORD_CLASS;
                strcpy(di->label.name, AudioNpreamp);
                di->type = AUDIO_MIXER_ENUM;
                if (di->index == A64_CODEC_RECORD_MIC1_PREAMP)
                        di->prev = A64_CODEC_RECORD_MIC1_VOLUME;
                else
                        di->prev = A64_CODEC_RECORD_MIC2_VOLUME;
                di->next = AUDIO_MIXER_LAST;
                di->un.e.num_mem = 2;
                strcpy(di->un.e.member[0].label.name, AudioNoff);
                di->un.e.member[0].ord = 0;
                strcpy(di->un.e.member[1].label.name, AudioNon);
                di->un.e.member[1].ord = 1;
                return 0;

        case A64_CODEC_OUTPUT_MUTE:
                di->mixer_class = A64_CODEC_OUTPUT_CLASS;
                strcpy(di->label.name, AudioNmute);
                di->type = AUDIO_MIXER_ENUM;
                di->next = di->prev = AUDIO_MIXER_LAST;
                di->un.e.num_mem = 2;
                strcpy(di->un.e.member[0].label.name, AudioNoff);
                di->un.e.member[0].ord = 0;
                strcpy(di->un.e.member[1].label.name, AudioNon);
                di->un.e.member[1].ord = 1;
                return 0;

        case A64_CODEC_OUTPUT_SOURCE:
                di->mixer_class = A64_CODEC_OUTPUT_CLASS;
                strcpy(di->label.name, AudioNsource);
                di->type = AUDIO_MIXER_SET;
                di->next = di->prev = AUDIO_MIXER_LAST;
                di->un.s.num_mem = 2;
                strcpy(di->un.s.member[0].label.name, AudioNline);
                di->un.s.member[0].mask = A64_OUTPUT_SOURCE_LINE;
                strcpy(di->un.s.member[1].label.name, AudioNheadphone);
                di->un.s.member[1].mask = A64_OUTPUT_SOURCE_HP;
                return 0;

        case A64_CODEC_RECORD_SOURCE:
                di->mixer_class = A64_CODEC_RECORD_CLASS;
                strcpy(di->label.name, AudioNsource);
                di->type = AUDIO_MIXER_SET;
                di->next = di->prev = AUDIO_MIXER_LAST;
                di->un.s.num_mem = 4;
                strcpy(di->un.s.member[0].label.name, AudioNline);
                di->un.s.member[0].mask = A64_ADCMIX_SRC_LINEIN;
                strcpy(di->un.s.member[1].label.name, AudioNmicrophone);
                di->un.s.member[1].mask = A64_ADCMIX_SRC_MIC1;
                strcpy(di->un.s.member[2].label.name, AudioNmicrophone "2");
                di->un.s.member[2].mask = A64_ADCMIX_SRC_MIC2;
                strcpy(di->un.s.member[3].label.name, AudioNdac);
                di->un.s.member[3].mask = A64_ADCMIX_SRC_OMIXER;
                return 0;

        }

        return ENXIO;
}

static const struct audio_hw_if a64_acodec_hw_if = {
        .trigger_output = a64_acodec_trigger_output,
        .trigger_input = a64_acodec_trigger_input,
        .halt_output = a64_acodec_halt_output,
        .halt_input = a64_acodec_halt_input,
        .set_port = a64_acodec_set_port,
        .get_port = a64_acodec_get_port,
        .query_devinfo = a64_acodec_query_devinfo,
};

static audio_dai_tag_t
a64_acodec_dai_get_tag(device_t dev, const void *data, size_t len)
{
        struct a64_acodec_softc * const sc = device_private(dev);

        if (len != 4)
                return NULL;

        return &sc->sc_dai;
}

static struct fdtbus_dai_controller_func a64_acodec_dai_funcs = {
        .get_tag = a64_acodec_dai_get_tag
};

static int
a64_acodec_dai_jack_detect(audio_dai_tag_t dai, u_int jack, int present)
{
        struct a64_acodec_softc * const sc = audio_dai_private(dai);

        switch (jack) {
        case AUDIO_DAI_JACK_HP:
                if (present) {
                        a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
                            0, A64_LINEOUT_EN);
                        a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
                            A64_HPPA_EN, 0);
                } else {
                        a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
                            A64_LINEOUT_EN, 0);
                        a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
                            0, A64_HPPA_EN);
                }

                /* Master volume controls either HP or line out */
                sc->sc_master_dev = present ?
                    A64_CODEC_INPUT_HP_VOLUME : A64_CODEC_INPUT_LINE_VOLUME;

                break;

        case AUDIO_DAI_JACK_MIC:
                /* XXX TODO */
                break;
        }

        return 0;
}

static const struct device_compatible_entry compat_data[] = {
        { .compat = "allwinner,sun50i-a64-codec-analog" },
        DEVICE_COMPAT_EOL
};

static int
a64_acodec_match(device_t parent, cfdata_t cf, void *aux)
{
        struct fdt_attach_args * const faa = aux;

        return of_compatible_match(faa->faa_phandle, compat_data);
}

static void
a64_acodec_attach(device_t parent, device_t self, void *aux)
{
        struct a64_acodec_softc * const sc = device_private(self);
        struct fdt_attach_args * const faa = aux;
        const int phandle = faa->faa_phandle;
        bus_addr_t addr;
        bus_size_t size;

        sc->sc_dev = self;
        if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
                aprint_error(": couldn't get registers\n");
                return;
        }
        sc->sc_bst = faa->faa_bst;
        if (bus_space_map(sc->sc_bst, addr, size, 0, &sc->sc_bsh) != 0) {
                aprint_error(": couldn't map registers\n");
                return;
        }

        sc->sc_phandle = phandle;

        aprint_naive("\n");
        aprint_normal(": A64 Audio Codec (analog part)\n");

        /* Right & Left Headphone PA enable */
        a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
            A64_HPPA_EN, 0);

        /* Jack detect enable */
        sc->sc_master_dev = A64_CODEC_INPUT_HP_VOLUME;
        a64_acodec_pr_set_clear(sc, A64_JACK_MIC_CTRL,
            A64_JACKDETEN | A64_INNERRESEN | A64_AUTOPLEN, 0);

        /* Unmute DAC to output mixer */
        a64_acodec_pr_set_clear(sc, A64_OL_MIX_CTRL,
            A64_LMIXMUTE_LDAC, 0);
        a64_acodec_pr_set_clear(sc, A64_OR_MIX_CTRL,
            A64_RMIXMUTE_RDAC, 0);

        sc->sc_dai.dai_jack_detect = a64_acodec_dai_jack_detect;
        sc->sc_dai.dai_hw_if = &a64_acodec_hw_if;
        sc->sc_dai.dai_dev = self;
        sc->sc_dai.dai_priv = sc;
        fdtbus_register_dai_controller(self, phandle, &a64_acodec_dai_funcs);
}

CFATTACH_DECL_NEW(a64_acodec, sizeof(struct a64_acodec_softc),
    a64_acodec_match, a64_acodec_attach, NULL, NULL);