// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio codec driver for VIA VT17xx/VT18xx/VT20xx codec
 *
 *  (C) 2006-2009 VIA Technology, Inc.
 *  (C) 2006-2008 Takashi Iwai <tiwai@suse.de>
 */

/* * * * * * * * * * * * * * Release History * * * * * * * * * * * * * * * * */
/*                                                                           */
/* 2006-03-03  Lydia Wang  Create the basic patch to support VT1708 codec    */
/* 2006-03-14  Lydia Wang  Modify hard code for some pin widget nid          */
/* 2006-08-02  Lydia Wang  Add support to VT1709 codec                       */
/* 2006-09-08  Lydia Wang  Fix internal loopback recording source select bug */
/* 2007-09-12  Lydia Wang  Add EAPD enable during driver initialization      */
/* 2007-09-17  Lydia Wang  Add VT1708B codec support                        */
/* 2007-11-14  Lydia Wang  Add VT1708A codec HP and CD pin connect config    */
/* 2008-02-03  Lydia Wang  Fix Rear channels and Back channels inverse issue */
/* 2008-03-06  Lydia Wang  Add VT1702 codec and VT1708S codec support        */
/* 2008-04-09  Lydia Wang  Add mute front speaker when HP plugin             */
/* 2008-04-09  Lydia Wang  Add Independent HP feature                        */
/* 2008-05-28  Lydia Wang  Add second S/PDIF Out support for VT1702          */
/* 2008-09-15  Logan Li    Add VT1708S Mic Boost workaround/backdoor         */
/* 2009-02-16  Logan Li    Add support for VT1718S                           */
/* 2009-03-13  Logan Li    Add support for VT1716S                           */
/* 2009-04-14  Lydai Wang  Add support for VT1828S and VT2020                */
/* 2009-07-08  Lydia Wang  Add support for VT2002P                           */
/* 2009-07-21  Lydia Wang  Add support for VT1812                            */
/* 2009-09-19  Lydia Wang  Add support for VT1818S                           */
/*                                                                           */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include <sound/hda_codec.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "generic.h"

/* Pin Widget NID */
#define VT1708_HP_PIN_NID       0x20
#define VT1708_CD_PIN_NID       0x24

enum VIA_HDA_CODEC {
        UNKNOWN = -1,
        VT1708,
        VT1709,
        VT1709_10CH,
        VT1709_6CH,
        VT1708B,
        VT1708B_8CH,
        VT1708B_4CH,
        VT1708S,
        VT1708BCE,
        VT1702,
        VT1718S,
        VT1716S,
        VT2002P,
        VT1812,
        VT1802,
        VT1705CF,
        VT1808,
        VT3476,
        CODEC_TYPES,
};

#define VT2002P_COMPATIBLE(spec) \
        ((spec)->codec_type == VT2002P ||\
         (spec)->codec_type == VT1812 ||\
         (spec)->codec_type == VT1802)

struct via_spec {
        struct hda_gen_spec gen;

        /* HP mode source */
        unsigned int dmic_enabled;
        enum VIA_HDA_CODEC codec_type;

        /* analog low-power control */
        bool alc_mode;

        /* work to check hp jack state */
        int hp_work_active;
        int vt1708_jack_detect;
};

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec);
static void via_playback_pcm_hook(struct hda_pcm_stream *hinfo,
                                  struct hda_codec *codec,
                                  struct snd_pcm_substream *substream,
                                  int action);

static struct via_spec *via_new_spec(struct hda_codec *codec)
{
        struct via_spec *spec;

        spec = kzalloc_obj(*spec);
        if (spec == NULL)
                return NULL;

        codec->spec = spec;
        snd_hda_gen_spec_init(&spec->gen);
        spec->codec_type = get_codec_type(codec);
        /* VT1708BCE & VT1708S are almost same */
        if (spec->codec_type == VT1708BCE)
                spec->codec_type = VT1708S;
        spec->gen.indep_hp = 1;
        spec->gen.keep_eapd_on = 1;
        spec->gen.dac_min_mute = 1;
        spec->gen.pcm_playback_hook = via_playback_pcm_hook;
        spec->gen.add_stereo_mix_input = HDA_HINT_STEREO_MIX_AUTO;
        codec->power_save_node = 1;
        spec->gen.power_down_unused = 1;
        return spec;
}

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
{
        u32 vendor_id = codec->core.vendor_id;
        u16 ven_id = vendor_id >> 16;
        u16 dev_id = vendor_id & 0xffff;
        enum VIA_HDA_CODEC codec_type;

        /* get codec type */
        if (ven_id != 0x1106)
                codec_type = UNKNOWN;
        else if (dev_id >= 0x1708 && dev_id <= 0x170b)
                codec_type = VT1708;
        else if (dev_id >= 0xe710 && dev_id <= 0xe713)
                codec_type = VT1709_10CH;
        else if (dev_id >= 0xe714 && dev_id <= 0xe717)
                codec_type = VT1709_6CH;
        else if (dev_id >= 0xe720 && dev_id <= 0xe723) {
                codec_type = VT1708B_8CH;
                if (snd_hda_param_read(codec, 0x16, AC_PAR_CONNLIST_LEN) == 0x7)
                        codec_type = VT1708BCE;
        } else if (dev_id >= 0xe724 && dev_id <= 0xe727)
                codec_type = VT1708B_4CH;
        else if ((dev_id & 0xfff) == 0x397
                 && (dev_id >> 12) < 8)
                codec_type = VT1708S;
        else if ((dev_id & 0xfff) == 0x398
                 && (dev_id >> 12) < 8)
                codec_type = VT1702;
        else if ((dev_id & 0xfff) == 0x428
                 && (dev_id >> 12) < 8)
                codec_type = VT1718S;
        else if (dev_id == 0x0433 || dev_id == 0xa721)
                codec_type = VT1716S;
        else if (dev_id == 0x0441 || dev_id == 0x4441)
                codec_type = VT1718S;
        else if (dev_id == 0x0438 || dev_id == 0x4438)
                codec_type = VT2002P;
        else if (dev_id == 0x0448)
                codec_type = VT1812;
        else if (dev_id == 0x0440)
                codec_type = VT1708S;
        else if ((dev_id & 0xfff) == 0x446)
                codec_type = VT1802;
        else if (dev_id == 0x4760)
                codec_type = VT1705CF;
        else if (dev_id == 0x4761 || dev_id == 0x4762)
                codec_type = VT1808;
        else
                codec_type = UNKNOWN;
        return codec_type;
};

static void analog_low_current_mode(struct hda_codec *codec);
static bool is_aa_path_mute(struct hda_codec *codec);

#define hp_detect_with_aa(codec) \
        (snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1 && \
         !is_aa_path_mute(codec))

static void vt1708_stop_hp_work(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        if (spec->codec_type != VT1708 || !spec->gen.autocfg.hp_outs)
                return;
        if (spec->hp_work_active) {
                snd_hda_codec_write(codec, 0x1, 0, 0xf81, 1);
                codec->jackpoll_interval = 0;
                cancel_delayed_work_sync(&codec->jackpoll_work);
                spec->hp_work_active = false;
        }
}

static void vt1708_update_hp_work(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        if (spec->codec_type != VT1708 || !spec->gen.autocfg.hp_outs)
                return;
        if (spec->vt1708_jack_detect) {
                if (!spec->hp_work_active) {
                        codec->jackpoll_interval = msecs_to_jiffies(100);
                        snd_hda_codec_write(codec, 0x1, 0, 0xf81, 0);
                        schedule_delayed_work(&codec->jackpoll_work, 0);
                        spec->hp_work_active = true;
                }
        } else if (!hp_detect_with_aa(codec))
                vt1708_stop_hp_work(codec);
}

static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_info *uinfo)
{
        return snd_hda_enum_bool_helper_info(kcontrol, uinfo);
}

static int via_pin_power_ctl_get(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
{
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        struct via_spec *spec = codec->spec;

        ucontrol->value.enumerated.item[0] = spec->gen.power_down_unused;
        return 0;
}

static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
{
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        struct via_spec *spec = codec->spec;
        bool val = !!ucontrol->value.enumerated.item[0];

        if (val == spec->gen.power_down_unused)
                return 0;
        /* codec->power_save_node = val; */ /* widget PM seems yet broken */
        spec->gen.power_down_unused = val;
        analog_low_current_mode(codec);
        return 1;
}

static const struct snd_kcontrol_new via_pin_power_ctl_enum = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "Dynamic Power-Control",
        .info = via_pin_power_ctl_info,
        .get = via_pin_power_ctl_get,
        .put = via_pin_power_ctl_put,
};

#ifdef CONFIG_SND_HDA_INPUT_BEEP
/* additional beep mixers; the actual parameters are overwritten at build */
static const struct snd_kcontrol_new via_beep_mixer[] = {
        HDA_CODEC_VOLUME_MONO("Beep Playback Volume", 0, 1, 0, HDA_OUTPUT),
        HDA_CODEC_MUTE_BEEP_MONO("Beep Playback Switch", 0, 1, 0, HDA_OUTPUT),
};

static int set_beep_amp(struct via_spec *spec, hda_nid_t nid,
                        int idx, int dir)
{
        struct snd_kcontrol_new *knew;
        unsigned int beep_amp = HDA_COMPOSE_AMP_VAL(nid, 1, idx, dir);
        int i;

        spec->gen.beep_nid = nid;
        for (i = 0; i < ARRAY_SIZE(via_beep_mixer); i++) {
                knew = snd_hda_gen_add_kctl(&spec->gen, NULL,
                                            &via_beep_mixer[i]);
                if (!knew)
                        return -ENOMEM;
                knew->private_value = beep_amp;
        }
        return 0;
}

static int auto_parse_beep(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        hda_nid_t nid;

        for_each_hda_codec_node(nid, codec)
                if (get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_BEEP)
                        return set_beep_amp(spec, nid, 0, HDA_OUTPUT);
        return 0;
}
#else
#define auto_parse_beep(codec)  0
#endif

/* check AA path's mute status */
static bool is_aa_path_mute(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        const struct hda_amp_list *p;
        int ch, v;

        p = spec->gen.loopback.amplist;
        if (!p)
                return true;
        for (; p->nid; p++) {
                for (ch = 0; ch < 2; ch++) {
                        v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
                                                   p->idx);
                        if (!(v & HDA_AMP_MUTE) && v > 0)
                                return false;
                }
        }
        return true;
}

/* enter/exit analog low-current mode */
static void __analog_low_current_mode(struct hda_codec *codec, bool force)
{
        struct via_spec *spec = codec->spec;
        bool enable;
        unsigned int verb, parm;

        if (!codec->power_save_node)
                enable = false;
        else
                enable = is_aa_path_mute(codec) && !spec->gen.active_streams;
        if (enable == spec->alc_mode && !force)
                return;
        spec->alc_mode = enable;

        /* decide low current mode's verb & parameter */
        switch (spec->codec_type) {
        case VT1708B_8CH:
        case VT1708B_4CH:
                verb = 0xf70;
                parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
                break;
        case VT1708S:
        case VT1718S:
        case VT1716S:
                verb = 0xf73;
                parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
                break;
        case VT1702:
                verb = 0xf73;
                parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
                break;
        case VT2002P:
        case VT1812:
        case VT1802:
                verb = 0xf93;
                parm = enable ? 0x00 : 0xe0; /* 0x00: 4/40x, 0xe0: 1x */
                break;
        case VT1705CF:
        case VT1808:
                verb = 0xf82;
                parm = enable ? 0x00 : 0xe0;  /* 0x00: 4/40x, 0xe0: 1x */
                break;
        default:
                return;         /* other codecs are not supported */
        }
        /* send verb */
        snd_hda_codec_write(codec, codec->core.afg, 0, verb, parm);
}

static void analog_low_current_mode(struct hda_codec *codec)
{
        return __analog_low_current_mode(codec, false);
}

static void via_playback_pcm_hook(struct hda_pcm_stream *hinfo,
                                  struct hda_codec *codec,
                                  struct snd_pcm_substream *substream,
                                  int action)
{
        analog_low_current_mode(codec);
        vt1708_update_hp_work(codec);
}

static void via_remove(struct hda_codec *codec)
{
        vt1708_stop_hp_work(codec);
        snd_hda_gen_remove(codec);
}

static int via_suspend(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        vt1708_stop_hp_work(codec);

        /* Fix pop noise on headphones */
        if (spec->codec_type == VT1802)
                snd_hda_shutup_pins(codec);

        return 0;
}

static int via_resume(struct hda_codec *codec)
{
        /* some delay here to make jack detection working (bko#98921) */
        msleep(10);
        snd_hda_codec_init(codec);
        snd_hda_regmap_sync(codec);
        return 0;
}

static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
        struct via_spec *spec = codec->spec;
        analog_low_current_mode(codec);
        vt1708_update_hp_work(codec);
        return snd_hda_check_amp_list_power(codec, &spec->gen.loopback, nid);
}

/*
 */

static const struct hda_verb vt1708_init_verbs[] = {
        /* power down jack detect function */
        {0x1, 0xf81, 0x1},
        { }
};
static void vt1708_set_pinconfig_connect(struct hda_codec *codec, hda_nid_t nid)
{
        unsigned int def_conf;
        unsigned char seqassoc;

        def_conf = snd_hda_codec_get_pincfg(codec, nid);
        seqassoc = (unsigned char) get_defcfg_association(def_conf);
        seqassoc = (seqassoc << 4) | get_defcfg_sequence(def_conf);
        if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE
            && (seqassoc == 0xf0 || seqassoc == 0xff)) {
                def_conf = def_conf & (~(AC_JACK_PORT_BOTH << 30));
                snd_hda_codec_set_pincfg(codec, nid, def_conf);
        }
}

static int vt1708_jack_detect_get(struct snd_kcontrol *kcontrol,
                                     struct snd_ctl_elem_value *ucontrol)
{
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        struct via_spec *spec = codec->spec;

        if (spec->codec_type != VT1708)
                return 0;
        ucontrol->value.integer.value[0] = spec->vt1708_jack_detect;
        return 0;
}

static int vt1708_jack_detect_put(struct snd_kcontrol *kcontrol,
                                     struct snd_ctl_elem_value *ucontrol)
{
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        struct via_spec *spec = codec->spec;
        int val;

        if (spec->codec_type != VT1708)
                return 0;
        val = !!ucontrol->value.integer.value[0];
        if (spec->vt1708_jack_detect == val)
                return 0;
        spec->vt1708_jack_detect = val;
        vt1708_update_hp_work(codec);
        return 1;
}

static const struct snd_kcontrol_new vt1708_jack_detect_ctl = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "Jack Detect",
        .count = 1,
        .info = snd_ctl_boolean_mono_info,
        .get = vt1708_jack_detect_get,
        .put = vt1708_jack_detect_put,
};

static const struct badness_table via_main_out_badness = {
        .no_primary_dac = 0x10000,
        .no_dac = 0x4000,
        .shared_primary = 0x10000,
        .shared_surr = 0x20,
        .shared_clfe = 0x20,
        .shared_surr_main = 0x20,
};
static const struct badness_table via_extra_out_badness = {
        .no_primary_dac = 0x4000,
        .no_dac = 0x4000,
        .shared_primary = 0x12,
        .shared_surr = 0x20,
        .shared_clfe = 0x20,
        .shared_surr_main = 0x10,
};

static int via_parse_auto_config(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.main_out_badness = &via_main_out_badness;
        spec->gen.extra_out_badness = &via_extra_out_badness;

        err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
        if (err < 0)
                return err;

        err = auto_parse_beep(codec);
        if (err < 0)
                return err;

        err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg);
        if (err < 0)
                return err;

        if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &via_pin_power_ctl_enum))
                return -ENOMEM;

        /* disable widget PM at start for compatibility */
        codec->power_save_node = 0;
        spec->gen.power_down_unused = 0;
        return 0;
}

static int via_init(struct hda_codec *codec)
{
        /* init power states */
        __analog_low_current_mode(codec, true);

        snd_hda_gen_init(codec);

        vt1708_update_hp_work(codec);

        return 0;
}

static int via_build_controls(struct hda_codec *codec)
{
        /* In order not to create "Phantom Jack" controls,
           temporary enable jackpoll */
        int err;
        int old_interval = codec->jackpoll_interval;
        if (old_interval)
                codec->jackpoll_interval = msecs_to_jiffies(100);
        err = snd_hda_gen_build_controls(codec);
        if (old_interval)
                codec->jackpoll_interval = old_interval;
        return err;
}

static int via_build_pcms(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int i, err;

        err = snd_hda_gen_build_pcms(codec);
        if (err < 0 || codec->core.vendor_id != 0x11061708)
                return err;

        /* We got noisy outputs on the right channel on VT1708 when
         * 24bit samples are used.  Until any workaround is found,
         * disable the 24bit format, so far.
         */
        for (i = 0; i < ARRAY_SIZE(spec->gen.pcm_rec); i++) {
                struct hda_pcm *info = spec->gen.pcm_rec[i];
                if (!info)
                        continue;
                if (!info->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams ||
                    info->pcm_type != HDA_PCM_TYPE_AUDIO)
                        continue;
                info->stream[SNDRV_PCM_STREAM_PLAYBACK].formats =
                        SNDRV_PCM_FMTBIT_S16_LE;
        }

        return 0;
}

static int probe_vt1708(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x17;

        /* set jackpoll_interval while parsing the codec */
        codec->jackpoll_interval = msecs_to_jiffies(100);
        spec->vt1708_jack_detect = 1;

        /* don't support the input jack switching due to lack of unsol event */
        /* (it may work with polling, though, but it needs testing) */
        spec->gen.suppress_auto_mic = 1;
        /* Some machines show the broken speaker mute */
        spec->gen.auto_mute_via_amp = 1;

        /* Add HP and CD pin config connect bit re-config action */
        vt1708_set_pinconfig_connect(codec, VT1708_HP_PIN_NID);
        vt1708_set_pinconfig_connect(codec, VT1708_CD_PIN_NID);

        err = snd_hda_add_verbs(codec, vt1708_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        err = via_parse_auto_config(codec);
        if (err < 0)
                return err;

        /* add jack detect on/off control */
        if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1708_jack_detect_ctl))
                return -ENOMEM;

        /* clear jackpoll_interval again; it's set dynamically */
        codec->jackpoll_interval = 0;

        return 0;
}

static int probe_vt1709(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;

        spec->gen.mixer_nid = 0x18;

        return via_parse_auto_config(codec);
}

static int probe_vt1708S(struct hda_codec *codec);
static int probe_vt1708B(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;

        if (get_codec_type(codec) == VT1708BCE)
                return probe_vt1708S(codec);

        spec->gen.mixer_nid = 0x16;

        /* automatic parse from the BIOS config */
        return via_parse_auto_config(codec);
}

/* Support for VT1708S */
static const struct hda_verb vt1708S_init_verbs[] = {
        /* Enable Mic Boost Volume backdoor */
        {0x1, 0xf98, 0x1},
        /* don't bybass mixer */
        {0x1, 0xf88, 0xc0},
        { }
};

static void override_mic_boost(struct hda_codec *codec, hda_nid_t pin,
                               int offset, int num_steps, int step_size)
{
        snd_hda_override_wcaps(codec, pin,
                               get_wcaps(codec, pin) | AC_WCAP_IN_AMP);
        snd_hda_override_amp_caps(codec, pin, HDA_INPUT,
                                  (offset << AC_AMPCAP_OFFSET_SHIFT) |
                                  (num_steps << AC_AMPCAP_NUM_STEPS_SHIFT) |
                                  (step_size << AC_AMPCAP_STEP_SIZE_SHIFT) |
                                  (0 << AC_AMPCAP_MUTE_SHIFT));
}

static int probe_vt1708S(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x16;
        override_mic_boost(codec, 0x1a, 0, 3, 40);
        override_mic_boost(codec, 0x1e, 0, 3, 40);

        /* correct names for VT1708BCE */
        if (get_codec_type(codec) == VT1708BCE)
                snd_hda_codec_set_name(codec, "VT1708BCE");
        /* correct names for VT1705 */
        if (codec->core.vendor_id == 0x11064397)
                snd_hda_codec_set_name(codec, "VT1705");

        err = snd_hda_add_verbs(codec, vt1708S_init_verbs);
        if (err < 0)
                return err;

        return via_parse_auto_config(codec);
}

/* Support for VT1702 */

static const struct hda_verb vt1702_init_verbs[] = {
        /* mixer enable */
        {0x1, 0xF88, 0x3},
        /* GPIO 0~2 */
        {0x1, 0xF82, 0x3F},
        { }
};

static int probe_vt1702(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x1a;

        /* limit AA path volume to 0 dB */
        snd_hda_override_amp_caps(codec, 0x1A, HDA_INPUT,
                                  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
                                  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
                                  (0x5 << AC_AMPCAP_STEP_SIZE_SHIFT) |
                                  (1 << AC_AMPCAP_MUTE_SHIFT));

        err = snd_hda_add_verbs(codec, vt1702_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        return via_parse_auto_config(codec);
}

/* Support for VT1718S */

static const struct hda_verb vt1718S_init_verbs[] = {
        /* Enable MW0 adjust Gain 5 */
        {0x1, 0xfb2, 0x10},
        /* Enable Boost Volume backdoor */
        {0x1, 0xf88, 0x8},

        { }
};

/* Add a connection to the primary DAC from AA-mixer for some codecs
 * This isn't listed from the raw info, but the chip has a secret connection.
 */
static int add_secret_dac_path(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int i, nums;
        hda_nid_t conn[8];
        hda_nid_t nid;

        if (!spec->gen.mixer_nid)
                return 0;
        nums = snd_hda_get_connections(codec, spec->gen.mixer_nid, conn,
                                       ARRAY_SIZE(conn) - 1);
        if (nums < 0)
                return nums;

        for (i = 0; i < nums; i++) {
                if (get_wcaps_type(get_wcaps(codec, conn[i])) == AC_WID_AUD_OUT)
                        return 0;
        }

        /* find the primary DAC and add to the connection list */
        for_each_hda_codec_node(nid, codec) {
                unsigned int caps = get_wcaps(codec, nid);
                if (get_wcaps_type(caps) == AC_WID_AUD_OUT &&
                    !(caps & AC_WCAP_DIGITAL)) {
                        conn[nums++] = nid;
                        return snd_hda_override_conn_list(codec,
                                                          spec->gen.mixer_nid,
                                                          nums, conn);
                }
        }
        return 0;
}


static int probe_vt1718S(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x21;
        override_mic_boost(codec, 0x2b, 0, 3, 40);
        override_mic_boost(codec, 0x29, 0, 3, 40);
        add_secret_dac_path(codec);

        err = snd_hda_add_verbs(codec, vt1718S_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        return via_parse_auto_config(codec);
}

/* Support for VT1716S */

static int vt1716s_dmic_info(struct snd_kcontrol *kcontrol,
                            struct snd_ctl_elem_info *uinfo)
{
        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
        uinfo->count = 1;
        uinfo->value.integer.min = 0;
        uinfo->value.integer.max = 1;
        return 0;
}

static int vt1716s_dmic_get(struct snd_kcontrol *kcontrol,
                           struct snd_ctl_elem_value *ucontrol)
{
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        int index = 0;

        index = snd_hda_codec_read(codec, 0x26, 0,
                                               AC_VERB_GET_CONNECT_SEL, 0);
        if (index != -1)
                *ucontrol->value.integer.value = index;

        return 0;
}

static int vt1716s_dmic_put(struct snd_kcontrol *kcontrol,
                           struct snd_ctl_elem_value *ucontrol)
{
        struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
        struct via_spec *spec = codec->spec;
        int index = *ucontrol->value.integer.value;

        snd_hda_codec_write(codec, 0x26, 0,
                                               AC_VERB_SET_CONNECT_SEL, index);
        spec->dmic_enabled = index;
        return 1;
}

static const struct snd_kcontrol_new vt1716s_dmic_mixer_vol =
        HDA_CODEC_VOLUME("Digital Mic Capture Volume", 0x22, 0x0, HDA_INPUT);
static const struct snd_kcontrol_new vt1716s_dmic_mixer_sw = {
         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
         .name = "Digital Mic Capture Switch",
         .subdevice = HDA_SUBDEV_NID_FLAG | 0x26,
         .count = 1,
         .info = vt1716s_dmic_info,
         .get = vt1716s_dmic_get,
         .put = vt1716s_dmic_put,
};


/* mono-out mixer elements */
static const struct snd_kcontrol_new vt1716S_mono_out_mixer =
        HDA_CODEC_MUTE("Mono Playback Switch", 0x2a, 0x0, HDA_OUTPUT);

static const struct hda_verb vt1716S_init_verbs[] = {
        /* Enable Boost Volume backdoor */
        {0x1, 0xf8a, 0x80},
        /* don't bybass mixer */
        {0x1, 0xf88, 0xc0},
        /* Enable mono output */
        {0x1, 0xf90, 0x08},
        { }
};

static int probe_vt1716S(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x16;
        override_mic_boost(codec, 0x1a, 0, 3, 40);
        override_mic_boost(codec, 0x1e, 0, 3, 40);

        err = snd_hda_add_verbs(codec, vt1716S_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        err = via_parse_auto_config(codec);
        if (err < 0)
                return err;

        if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1716s_dmic_mixer_vol) ||
            !snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1716s_dmic_mixer_sw) ||
            !snd_hda_gen_add_kctl(&spec->gen, NULL, &vt1716S_mono_out_mixer))
                return -ENOMEM;

        return 0;
}

/* for vt2002P */

static const struct hda_verb vt2002P_init_verbs[] = {
        /* Class-D speaker related verbs */
        {0x1, 0xfe0, 0x4},
        {0x1, 0xfe9, 0x80},
        {0x1, 0xfe2, 0x22},
        /* Enable Boost Volume backdoor */
        {0x1, 0xfb9, 0x24},
        /* Enable AOW0 to MW9 */
        {0x1, 0xfb8, 0x88},
        { }
};

static const struct hda_verb vt1802_init_verbs[] = {
        /* Enable Boost Volume backdoor */
        {0x1, 0xfb9, 0x24},
        /* Enable AOW0 to MW9 */
        {0x1, 0xfb8, 0x88},
        { }
};

/*
 * pin fix-up
 */
enum {
        VIA_FIXUP_INTMIC_BOOST,
        VIA_FIXUP_ASUS_G75,
        VIA_FIXUP_POWER_SAVE,
};

static void via_fixup_intmic_boost(struct hda_codec *codec,
                                  const struct hda_fixup *fix, int action)
{
        if (action == HDA_FIXUP_ACT_PRE_PROBE)
                override_mic_boost(codec, 0x30, 0, 2, 40);
}

static void via_fixup_power_save(struct hda_codec *codec,
                                 const struct hda_fixup *fix, int action)
{
        if (action == HDA_FIXUP_ACT_PRE_PROBE)
                codec->power_save_node = 0;
}

static const struct hda_fixup via_fixups[] = {
        [VIA_FIXUP_INTMIC_BOOST] = {
                .type = HDA_FIXUP_FUNC,
                .v.func = via_fixup_intmic_boost,
        },
        [VIA_FIXUP_ASUS_G75] = {
                .type = HDA_FIXUP_PINS,
                .v.pins = (const struct hda_pintbl[]) {
                        /* set 0x24 and 0x33 as speakers */
                        { 0x24, 0x991301f0 },
                        { 0x33, 0x991301f1 }, /* subwoofer */
                        { }
                }
        },
        [VIA_FIXUP_POWER_SAVE] = {
                .type = HDA_FIXUP_FUNC,
                .v.func = via_fixup_power_save,
        },
};

static const struct hda_quirk vt2002p_fixups[] = {
        SND_PCI_QUIRK(0x1043, 0x13f7, "Asus B23E", VIA_FIXUP_POWER_SAVE),
        SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75),
        SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST),
        SND_PCI_QUIRK_VENDOR(0x1558, "Clevo", VIA_FIXUP_POWER_SAVE),
        {}
};

/* NIDs 0x24 and 0x33 on VT1802 have connections to non-existing NID 0x3e
 * Replace this with mixer NID 0x1c
 */
static void fix_vt1802_connections(struct hda_codec *codec)
{
        static const hda_nid_t conn_24[] = { 0x14, 0x1c };
        static const hda_nid_t conn_33[] = { 0x1c };

        snd_hda_override_conn_list(codec, 0x24, ARRAY_SIZE(conn_24), conn_24);
        snd_hda_override_conn_list(codec, 0x33, ARRAY_SIZE(conn_33), conn_33);
}

/* Support for vt2002P */
static int probe_vt2002P(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x21;
        override_mic_boost(codec, 0x2b, 0, 3, 40);
        override_mic_boost(codec, 0x29, 0, 3, 40);
        if (spec->codec_type == VT1802)
                fix_vt1802_connections(codec);
        add_secret_dac_path(codec);

        snd_hda_pick_fixup(codec, NULL, vt2002p_fixups, via_fixups);
        snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);

        if (spec->codec_type == VT1802)
                err = snd_hda_add_verbs(codec, vt1802_init_verbs);
        else
                err = snd_hda_add_verbs(codec, vt2002P_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        return via_parse_auto_config(codec);
}

/* for vt1812 */

static const struct hda_verb vt1812_init_verbs[] = {
        /* Enable Boost Volume backdoor */
        {0x1, 0xfb9, 0x24},
        /* Enable AOW0 to MW9 */
        {0x1, 0xfb8, 0xa8},
        { }
};

static int probe_vt1812(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x21;
        override_mic_boost(codec, 0x2b, 0, 3, 40);
        override_mic_boost(codec, 0x29, 0, 3, 40);
        add_secret_dac_path(codec);

        err = snd_hda_add_verbs(codec, vt1812_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        return via_parse_auto_config(codec);
}

/* Support for vt3476 */

static const struct hda_verb vt3476_init_verbs[] = {
        /* Enable DMic 8/16/32K */
        {0x1, 0xF7B, 0x30},
        /* Enable Boost Volume backdoor */
        {0x1, 0xFB9, 0x20},
        /* Enable AOW-MW9 path */
        {0x1, 0xFB8, 0x10},
        { }
};

static int probe_vt3476(struct hda_codec *codec)
{
        struct via_spec *spec = codec->spec;
        int err;

        spec->gen.mixer_nid = 0x3f;
        add_secret_dac_path(codec);

        err = snd_hda_add_verbs(codec, vt3476_init_verbs);
        if (err < 0)
                return err;

        /* automatic parse from the BIOS config */
        return via_parse_auto_config(codec);

}

/*
 * common driver probe
 */
static int via_probe(struct hda_codec *codec, const struct hda_device_id *id)
{
        struct via_spec *spec;
        int err;

        /* create a codec specific record */
        spec = via_new_spec(codec);
        if (!spec)
                return -ENOMEM;

        switch (id->driver_data) {
        case VT1708:
                err = probe_vt1708(codec);
                break;
        case VT1709:
                err = probe_vt1709(codec);
                break;
        case VT1708B:
                err = probe_vt1708B(codec);
                break;
        case VT1708S:
                err = probe_vt1708S(codec);
                break;
        case VT1702:
                err = probe_vt1702(codec);
                break;
        case VT1718S:
                err = probe_vt1718S(codec);
                break;
        case VT1716S:
                err = probe_vt1716S(codec);
                break;
        case VT2002P:
                err = probe_vt2002P(codec);
                break;
        case VT1812:
                err = probe_vt1812(codec);
                break;
        case VT3476:
                err = probe_vt3476(codec);
                break;
        default:
                err = -EINVAL;
                break;
        }

        if (err < 0) {
                via_remove(codec);
                return err;
        }

        return 0;
}

static const struct hda_codec_ops via_codec_ops = {
        .probe = via_probe,
        .remove = via_remove,
        .build_controls = via_build_controls,
        .build_pcms = via_build_pcms,
        .init = via_init,
        .unsol_event = snd_hda_jack_unsol_event,
        .suspend = via_suspend,
        .resume = via_resume,
        .check_power_status = via_check_power_status,
        .stream_pm = snd_hda_gen_stream_pm,
};

/*
 * driver entries
 */
static const struct hda_device_id snd_hda_id_via[] = {
        HDA_CODEC_ID_MODEL(0x11061708, "VT1708", VT1708),
        HDA_CODEC_ID_MODEL(0x11061709, "VT1708", VT1708),
        HDA_CODEC_ID_MODEL(0x1106170a, "VT1708", VT1708),
        HDA_CODEC_ID_MODEL(0x1106170b, "VT1708", VT1708),
        HDA_CODEC_ID_MODEL(0x1106e710, "VT1709 10-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e711, "VT1709 10-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e712, "VT1709 10-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e713, "VT1709 10-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e714, "VT1709 6-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e715, "VT1709 6-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e716, "VT1709 6-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e717, "VT1709 6-Ch", VT1709),
        HDA_CODEC_ID_MODEL(0x1106e720, "VT1708B 8-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e721, "VT1708B 8-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e722, "VT1708B 8-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e723, "VT1708B 8-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e724, "VT1708B 4-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e725, "VT1708B 4-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e726, "VT1708B 4-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x1106e727, "VT1708B 4-Ch", VT1708B),
        HDA_CODEC_ID_MODEL(0x11060397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11061397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11062397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11063397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11064397, "VT1705", VT1708S),
        HDA_CODEC_ID_MODEL(0x11065397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11066397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11067397, "VT1708S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11060398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11061398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11062398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11063398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11064398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11065398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11066398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11067398, "VT1702", VT1702),
        HDA_CODEC_ID_MODEL(0x11060428, "VT1718S", VT1718S),
        HDA_CODEC_ID_MODEL(0x11064428, "VT1718S", VT1718S),
        HDA_CODEC_ID_MODEL(0x11060441, "VT2020", VT1718S),
        HDA_CODEC_ID_MODEL(0x11064441, "VT1828S", VT1718S),
        HDA_CODEC_ID_MODEL(0x11060433, "VT1716S", VT1716S),
        HDA_CODEC_ID_MODEL(0x1106a721, "VT1716S", VT1716S),
        HDA_CODEC_ID_MODEL(0x11060438, "VT2002P", VT2002P),
        HDA_CODEC_ID_MODEL(0x11064438, "VT2002P", VT2002P),
        HDA_CODEC_ID_MODEL(0x11060448, "VT1812", VT1812),
        HDA_CODEC_ID_MODEL(0x11060440, "VT1818S", VT1708S),
        HDA_CODEC_ID_MODEL(0x11060446, "VT1802", VT2002P),
        HDA_CODEC_ID_MODEL(0x11068446, "VT1802", VT2002P),
        HDA_CODEC_ID_MODEL(0x11064760, "VT1705CF", VT3476),
        HDA_CODEC_ID_MODEL(0x11064761, "VT1708SCE", VT3476),
        HDA_CODEC_ID_MODEL(0x11064762, "VT1808", VT3476),
        {} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_via);

static struct hda_codec_driver via_driver = {
        .id = snd_hda_id_via,
        .ops = &via_codec_ops,
};

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VIA HD-audio codec");

module_hda_codec_driver(via_driver);