root/sys/dev/sound/pci/hda/hdaa.c
/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2006 Stephane E. Potvin <sepotvin@videotron.ca>
 * Copyright (c) 2006 Ariff Abdullah <ariff@FreeBSD.org>
 * Copyright (c) 2008-2012 Alexander Motin <mav@FreeBSD.org>
 * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
 */

/*
 * Intel High Definition Audio (Audio function) driver for FreeBSD.
 */

#ifdef HAVE_KERNEL_OPTION_HEADERS
#include "opt_snd.h"
#endif

#include <dev/sound/pcm/sound.h>

#include <sys/ctype.h>
#include <sys/taskqueue.h>

#include <dev/sound/pci/hda/hdac.h>
#include <dev/sound/pci/hda/hdaa.h>
#include <dev/sound/pci/hda/hda_reg.h>

#include "mixer_if.h"

#define hdaa_lock(devinfo)      mtx_lock((devinfo)->lock)
#define hdaa_unlock(devinfo)    mtx_unlock((devinfo)->lock)
#define hdaa_lockassert(devinfo) mtx_assert((devinfo)->lock, MA_OWNED)

static const struct {
        const char *key;
        uint32_t value;
} hdaa_quirks_tab[] = {
        { "softpcmvol", HDAA_QUIRK_SOFTPCMVOL },
        { "fixedrate", HDAA_QUIRK_FIXEDRATE },
        { "forcestereo", HDAA_QUIRK_FORCESTEREO },
        { "eapdinv", HDAA_QUIRK_EAPDINV },
        { "senseinv", HDAA_QUIRK_SENSEINV },
        { "ivref50", HDAA_QUIRK_IVREF50 },
        { "ivref80", HDAA_QUIRK_IVREF80 },
        { "ivref100", HDAA_QUIRK_IVREF100 },
        { "ovref50", HDAA_QUIRK_OVREF50 },
        { "ovref80", HDAA_QUIRK_OVREF80 },
        { "ovref100", HDAA_QUIRK_OVREF100 },
        { "ivref", HDAA_QUIRK_IVREF },
        { "ovref", HDAA_QUIRK_OVREF },
        { "vref", HDAA_QUIRK_VREF },
};

#define HDA_PARSE_MAXDEPTH      10

MALLOC_DEFINE(M_HDAA, "hdaa", "HDA Audio");

static const char *HDA_COLORS[16] = {"Unknown", "Black", "Grey", "Blue",
    "Green", "Red", "Orange", "Yellow", "Purple", "Pink", "Res.A", "Res.B",
    "Res.C", "Res.D", "White", "Other"};

static const char *HDA_DEVS[16] = {"Line-out", "Speaker", "Headphones", "CD",
    "SPDIF-out", "Digital-out", "Modem-line", "Modem-handset", "Line-in",
    "AUX", "Mic", "Telephony", "SPDIF-in", "Digital-in", "Res.E", "Other"};

static const char *HDA_CONNS[4] = {"Jack", "None", "Fixed", "Both"};

static const char *HDA_CONNECTORS[16] = {
    "Unknown", "1/8", "1/4", "ATAPI", "RCA", "Optical", "Digital", "Analog",
    "DIN", "XLR", "RJ-11", "Combo", "0xc", "0xd", "0xe", "Other" };

static const char *HDA_LOCS[64] = {
    "0x00", "Rear", "Front", "Left", "Right", "Top", "Bottom", "Rear-panel",
        "Drive-bay", "0x09", "0x0a", "0x0b", "0x0c", "0x0d", "0x0e", "0x0f",
    "Internal", "0x11", "0x12", "0x13", "0x14", "0x15", "0x16", "Riser",
        "0x18", "Onboard", "0x1a", "0x1b", "0x1c", "0x1d", "0x1e", "0x1f",
    "External", "Ext-Rear", "Ext-Front", "Ext-Left", "Ext-Right", "Ext-Top", "Ext-Bottom", "0x07",
        "0x28", "0x29", "0x2a", "0x2b", "0x2c", "0x2d", "0x2e", "0x2f",
    "Other", "0x31", "0x32", "0x33", "0x34", "0x35", "Other-Bott", "Lid-In",
        "Lid-Out", "0x39", "0x3a", "0x3b", "0x3c", "0x3d", "0x3e", "0x3f" };

static const char *HDA_GPIO_ACTIONS[8] = {
    "keep", "set", "clear", "disable", "input", "0x05", "0x06", "0x07"};

static const char *HDA_HDMI_CODING_TYPES[18] = {
    "undefined", "LPCM", "AC-3", "MPEG1", "MP3", "MPEG2", "AAC-LC", "DTS",
    "ATRAC", "DSD", "E-AC-3", "DTS-HD", "MLP", "DST", "WMAPro", "HE-AAC",
    "HE-AACv2", "MPEG-Surround"
};

/* Default */
static uint32_t hdaa_fmt[] = {
        SND_FORMAT(AFMT_S16_LE, 2, 0),
        0
};

static struct pcmchan_caps hdaa_caps = {48000, 48000, hdaa_fmt, 0};

static const struct {
        uint32_t        rate;
        int             valid;
        uint16_t        base;
        uint16_t        mul;
        uint16_t        div;
} hda_rate_tab[] = {
        {   8000, 1, 0x0000, 0x0000, 0x0500 },  /* (48000 * 1) / 6 */
        {   9600, 0, 0x0000, 0x0000, 0x0400 },  /* (48000 * 1) / 5 */
        {  12000, 0, 0x0000, 0x0000, 0x0300 },  /* (48000 * 1) / 4 */
        {  16000, 1, 0x0000, 0x0000, 0x0200 },  /* (48000 * 1) / 3 */
        {  18000, 0, 0x0000, 0x1000, 0x0700 },  /* (48000 * 3) / 8 */
        {  19200, 0, 0x0000, 0x0800, 0x0400 },  /* (48000 * 2) / 5 */
        {  24000, 0, 0x0000, 0x0000, 0x0100 },  /* (48000 * 1) / 2 */
        {  28800, 0, 0x0000, 0x1000, 0x0400 },  /* (48000 * 3) / 5 */
        {  32000, 1, 0x0000, 0x0800, 0x0200 },  /* (48000 * 2) / 3 */
        {  36000, 0, 0x0000, 0x1000, 0x0300 },  /* (48000 * 3) / 4 */
        {  38400, 0, 0x0000, 0x1800, 0x0400 },  /* (48000 * 4) / 5 */
        {  48000, 1, 0x0000, 0x0000, 0x0000 },  /* (48000 * 1) / 1 */
        {  64000, 0, 0x0000, 0x1800, 0x0200 },  /* (48000 * 4) / 3 */
        {  72000, 0, 0x0000, 0x1000, 0x0100 },  /* (48000 * 3) / 2 */
        {  96000, 1, 0x0000, 0x0800, 0x0000 },  /* (48000 * 2) / 1 */
        { 144000, 0, 0x0000, 0x1000, 0x0000 },  /* (48000 * 3) / 1 */
        { 192000, 1, 0x0000, 0x1800, 0x0000 },  /* (48000 * 4) / 1 */
        {   8820, 0, 0x4000, 0x0000, 0x0400 },  /* (44100 * 1) / 5 */
        {  11025, 1, 0x4000, 0x0000, 0x0300 },  /* (44100 * 1) / 4 */
        {  12600, 0, 0x4000, 0x0800, 0x0600 },  /* (44100 * 2) / 7 */
        {  14700, 0, 0x4000, 0x0000, 0x0200 },  /* (44100 * 1) / 3 */
        {  17640, 0, 0x4000, 0x0800, 0x0400 },  /* (44100 * 2) / 5 */
        {  18900, 0, 0x4000, 0x1000, 0x0600 },  /* (44100 * 3) / 7 */
        {  22050, 1, 0x4000, 0x0000, 0x0100 },  /* (44100 * 1) / 2 */
        {  25200, 0, 0x4000, 0x1800, 0x0600 },  /* (44100 * 4) / 7 */
        {  26460, 0, 0x4000, 0x1000, 0x0400 },  /* (44100 * 3) / 5 */
        {  29400, 0, 0x4000, 0x0800, 0x0200 },  /* (44100 * 2) / 3 */
        {  33075, 0, 0x4000, 0x1000, 0x0300 },  /* (44100 * 3) / 4 */
        {  35280, 0, 0x4000, 0x1800, 0x0400 },  /* (44100 * 4) / 5 */
        {  44100, 1, 0x4000, 0x0000, 0x0000 },  /* (44100 * 1) / 1 */
        {  58800, 0, 0x4000, 0x1800, 0x0200 },  /* (44100 * 4) / 3 */
        {  66150, 0, 0x4000, 0x1000, 0x0100 },  /* (44100 * 3) / 2 */
        {  88200, 1, 0x4000, 0x0800, 0x0000 },  /* (44100 * 2) / 1 */
        { 132300, 0, 0x4000, 0x1000, 0x0000 },  /* (44100 * 3) / 1 */
        { 176400, 1, 0x4000, 0x1800, 0x0000 },  /* (44100 * 4) / 1 */
};
#define HDA_RATE_TAB_LEN (sizeof(hda_rate_tab) / sizeof(hda_rate_tab[0]))

const static char *ossnames[] = SOUND_DEVICE_NAMES;

/****************************************************************************
 * Function prototypes
 ****************************************************************************/
static int      hdaa_pcmchannel_setup(struct hdaa_chan *);

static void     hdaa_widget_connection_select(struct hdaa_widget *, uint8_t);
static void     hdaa_audio_ctl_amp_set(struct hdaa_audio_ctl *,
                                                uint32_t, int, int);
static struct   hdaa_audio_ctl *hdaa_audio_ctl_amp_get(struct hdaa_devinfo *,
                                                        nid_t, int, int, int);
static void     hdaa_audio_ctl_amp_set_internal(struct hdaa_devinfo *,
                                nid_t, int, int, int, int, int, int);

static void     hdaa_dump_pin_config(struct hdaa_widget *w, uint32_t conf);

static char *
hdaa_audio_ctl_ossmixer_mask2allname(uint32_t mask, char *buf, size_t len)
{
        int i, first = 1;

        bzero(buf, len);
        for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
                if (mask & (1 << i)) {
                        if (first == 0)
                                strlcat(buf, ", ", len);
                        strlcat(buf, ossnames[i], len);
                        first = 0;
                }
        }
        return (buf);
}

static struct hdaa_audio_ctl *
hdaa_audio_ctl_each(struct hdaa_devinfo *devinfo, int *index)
{
        if (devinfo == NULL ||
            index == NULL || devinfo->ctl == NULL ||
            devinfo->ctlcnt < 1 ||
            *index < 0 || *index >= devinfo->ctlcnt)
                return (NULL);
        return (&devinfo->ctl[(*index)++]);
}

static struct hdaa_audio_ctl *
hdaa_audio_ctl_amp_get(struct hdaa_devinfo *devinfo, nid_t nid, int dir,
                                                int index, int cnt)
{
        struct hdaa_audio_ctl *ctl;
        int i, found = 0;

        if (devinfo == NULL || devinfo->ctl == NULL)
                return (NULL);

        i = 0;
        while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                if (ctl->enable == 0)
                        continue;
                if (ctl->widget->nid != nid)
                        continue;
                if (dir && ctl->ndir != dir)
                        continue;
                if (index >= 0 && ctl->ndir == HDAA_CTL_IN &&
                    ctl->dir == ctl->ndir && ctl->index != index)
                        continue;
                found++;
                if (found == cnt || cnt <= 0)
                        return (ctl);
        }

        return (NULL);
}

static const struct matrix {
        struct pcmchan_matrix   m;
        int                     analog;
} matrixes[]  = {
    { SND_CHN_MATRIX_MAP_1_0,   1 },
    { SND_CHN_MATRIX_MAP_2_0,   1 },
    { SND_CHN_MATRIX_MAP_2_1,   0 },
    { SND_CHN_MATRIX_MAP_3_0,   0 },
    { SND_CHN_MATRIX_MAP_3_1,   0 },
    { SND_CHN_MATRIX_MAP_4_0,   1 },
    { SND_CHN_MATRIX_MAP_4_1,   0 },
    { SND_CHN_MATRIX_MAP_5_0,   0 },
    { SND_CHN_MATRIX_MAP_5_1,   1 },
    { SND_CHN_MATRIX_MAP_6_0,   0 },
    { SND_CHN_MATRIX_MAP_6_1,   0 },
    { SND_CHN_MATRIX_MAP_7_0,   0 },
    { SND_CHN_MATRIX_MAP_7_1,   1 },
};

static const char *channel_names[] = SND_CHN_T_NAMES;

/*
 * Connected channels change handler.
 */
static void
hdaa_channels_handler(struct hdaa_audio_as *as)
{
        struct hdaa_pcm_devinfo *pdevinfo = as->pdevinfo;
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_chan *ch = &devinfo->chans[as->chans[0]];
        struct hdaa_widget *w;
        uint8_t *eld;
        int total, sub, assume, channels;
        size_t i;
        uint16_t cpins, upins, tpins;

        cpins = upins = 0;
        eld = NULL;
        for (i = 0; i < 16; i++) {
                if (as->pins[i] <= 0)
                        continue;
                w = hdaa_widget_get(devinfo, as->pins[i]);
                if (w == NULL)
                        continue;
                if (w->wclass.pin.connected == 1)
                        cpins |= (1 << i);
                else if (w->wclass.pin.connected != 0)
                        upins |= (1 << i);
                if (w->eld != NULL && w->eld_len >= 8)
                        eld = w->eld;
        }
        tpins = cpins | upins;
        if (as->hpredir >= 0)
                tpins &= 0x7fff;
        if (tpins == 0)
                tpins = as->pinset;

        total = sub = assume = channels = 0;
        if (eld) {
                /* Map CEA speakers to sound(4) channels. */
                if (eld[7] & 0x01) /* Front Left/Right */
                        channels |= SND_CHN_T_MASK_FL | SND_CHN_T_MASK_FR;
                if (eld[7] & 0x02) /* Low Frequency Effect */
                        channels |= SND_CHN_T_MASK_LF;
                if (eld[7] & 0x04) /* Front Center */
                        channels |= SND_CHN_T_MASK_FC;
                if (eld[7] & 0x08) { /* Rear Left/Right */
                        /* If we have both RLR and RLRC, report RLR as side. */
                        if (eld[7] & 0x40) /* Rear Left/Right Center */
                            channels |= SND_CHN_T_MASK_SL | SND_CHN_T_MASK_SR;
                        else
                            channels |= SND_CHN_T_MASK_BL | SND_CHN_T_MASK_BR;
                }
                if (eld[7] & 0x10) /* Rear center */
                        channels |= SND_CHN_T_MASK_BC;
                if (eld[7] & 0x20) /* Front Left/Right Center */
                        channels |= SND_CHN_T_MASK_FLC | SND_CHN_T_MASK_FRC;
                if (eld[7] & 0x40) /* Rear Left/Right Center */
                        channels |= SND_CHN_T_MASK_BL | SND_CHN_T_MASK_BR;
        } else if (as->pinset != 0 && (tpins & 0xffe0) == 0) {
                /* Map UAA speakers to sound(4) channels. */
                if (tpins & 0x0001)
                        channels |= SND_CHN_T_MASK_FL | SND_CHN_T_MASK_FR;
                if (tpins & 0x0002)
                        channels |= SND_CHN_T_MASK_FC | SND_CHN_T_MASK_LF;
                if (tpins & 0x0004)
                        channels |= SND_CHN_T_MASK_BL | SND_CHN_T_MASK_BR;
                if (tpins & 0x0008)
                        channels |= SND_CHN_T_MASK_FLC | SND_CHN_T_MASK_FRC;
                if (tpins & 0x0010) {
                        /* If there is no back pin, report side as back. */
                        if ((as->pinset & 0x0004) == 0)
                            channels |= SND_CHN_T_MASK_BL | SND_CHN_T_MASK_BR;
                        else
                            channels |= SND_CHN_T_MASK_SL | SND_CHN_T_MASK_SR;
                }
        } else if (as->mixed) {
                /* Mixed assoc can be only stereo or theoretically mono. */
                if (ch->channels == 1)
                        channels |= SND_CHN_T_MASK_FC;
                else
                        channels |= SND_CHN_T_MASK_FL | SND_CHN_T_MASK_FR;
        }
        if (channels) { /* We have some usable channels info. */
                HDA_BOOTVERBOSE(
                        device_printf(pdevinfo->dev, "%s channel set is: ",
                            as->dir == HDAA_CTL_OUT ? "Playback" : "Recording");
                        for (i = 0; i < SND_CHN_T_MAX; i++)
                                if (channels & (1 << i))
                                        printf("%s, ", channel_names[i]);
                        printf("\n");
                );
                /* Look for maximal fitting matrix. */
                for (i = 0; i < nitems(matrixes); i++) {
                        if (as->pinset != 0 && matrixes[i].analog == 0)
                                continue;
                        if ((matrixes[i].m.mask & ~channels) == 0) {
                                total = matrixes[i].m.channels;
                                sub = matrixes[i].m.ext;
                        }
                }
        }
        if (total == 0) {
                assume = 1;
                total = ch->channels;
                sub = (total == 6 || total == 8) ? 1 : 0;
        }
        HDA_BOOTVERBOSE(
                device_printf(pdevinfo->dev,
                    "%s channel matrix is: %s%d.%d (%s)\n",
                    as->dir == HDAA_CTL_OUT ? "Playback" : "Recording",
                    assume ? "unknown, assuming " : "", total - sub, sub,
                    cpins != 0 ? "connected" :
                    (upins != 0 ? "unknown" : "disconnected"));
        );
}

/*
 * Headphones redirection change handler.
 */
static void
hdaa_hpredir_handler(struct hdaa_widget *w)
{
        struct hdaa_devinfo *devinfo = w->devinfo;
        struct hdaa_audio_as *as = &devinfo->as[w->bindas];
        struct hdaa_widget *w1;
        struct hdaa_audio_ctl *ctl;
        uint32_t val;
        int j, connected = w->wclass.pin.connected;

        HDA_BOOTVERBOSE(
                device_printf((as->pdevinfo && as->pdevinfo->dev) ?
                    as->pdevinfo->dev : devinfo->dev,
                    "Redirect output to: %s\n",
                    connected ? "headphones": "main");
        );
        /* (Un)Mute headphone pin. */
        ctl = hdaa_audio_ctl_amp_get(devinfo,
            w->nid, HDAA_CTL_IN, -1, 1);
        if (ctl != NULL && ctl->mute) {
                /* If pin has muter - use it. */
                val = connected ? 0 : 1;
                if (val != ctl->forcemute) {
                        ctl->forcemute = val;
                        hdaa_audio_ctl_amp_set(ctl,
                            HDAA_AMP_MUTE_DEFAULT,
                            HDAA_AMP_VOL_DEFAULT, HDAA_AMP_VOL_DEFAULT);
                }
        } else {
                /* If there is no muter - disable pin output. */
                if (connected)
                        val = w->wclass.pin.ctrl |
                            HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE;
                else
                        val = w->wclass.pin.ctrl &
                            ~HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE;
                if (val != w->wclass.pin.ctrl) {
                        w->wclass.pin.ctrl = val;
                        hda_command(devinfo->dev,
                            HDA_CMD_SET_PIN_WIDGET_CTRL(0,
                            w->nid, w->wclass.pin.ctrl));
                }
        }
        /* (Un)Mute other pins. */
        for (j = 0; j < 15; j++) {
                if (as->pins[j] <= 0)
                        continue;
                ctl = hdaa_audio_ctl_amp_get(devinfo,
                    as->pins[j], HDAA_CTL_IN, -1, 1);
                if (ctl != NULL && ctl->mute) {
                        /* If pin has muter - use it. */
                        val = connected ? 1 : 0;
                        if (val == ctl->forcemute)
                                continue;
                        ctl->forcemute = val;
                        hdaa_audio_ctl_amp_set(ctl,
                            HDAA_AMP_MUTE_DEFAULT,
                            HDAA_AMP_VOL_DEFAULT, HDAA_AMP_VOL_DEFAULT);
                        continue;
                }
                /* If there is no muter - disable pin output. */
                w1 = hdaa_widget_get(devinfo, as->pins[j]);
                if (w1 != NULL) {
                        if (connected)
                                val = w1->wclass.pin.ctrl &
                                    ~HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE;
                        else
                                val = w1->wclass.pin.ctrl |
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE;
                        if (val != w1->wclass.pin.ctrl) {
                                w1->wclass.pin.ctrl = val;
                                hda_command(devinfo->dev,
                                    HDA_CMD_SET_PIN_WIDGET_CTRL(0,
                                    w1->nid, w1->wclass.pin.ctrl));
                        }
                }
        }
}

/*
 * Recording source change handler.
 */
static void
hdaa_autorecsrc_handler(struct hdaa_audio_as *as, struct hdaa_widget *w)
{
        struct hdaa_pcm_devinfo *pdevinfo = as->pdevinfo;
        struct hdaa_devinfo *devinfo;
        struct hdaa_widget *w1;
        int i, mask, fullmask, prio, bestprio;
        char buf[128];

        if (!as->mixed || pdevinfo == NULL || pdevinfo->mixer == NULL)
                return;
        /* Don't touch anything if we asked not to. */
        if (pdevinfo->autorecsrc == 0 ||
            (pdevinfo->autorecsrc == 1 && w != NULL))
                return;
        /* Don't touch anything if "mix" or "speaker" selected. */
        if (pdevinfo->recsrc & (SOUND_MASK_IMIX | SOUND_MASK_SPEAKER))
                return;
        /* Don't touch anything if several selected. */
        if (ffs(pdevinfo->recsrc) != fls(pdevinfo->recsrc))
                return;
        devinfo = pdevinfo->devinfo;
        mask = fullmask = 0;
        bestprio = 0;
        for (i = 0; i < 16; i++) {
                if (as->pins[i] <= 0)
                        continue;
                w1 = hdaa_widget_get(devinfo, as->pins[i]);
                if (w1 == NULL || w1->enable == 0)
                        continue;
                if (w1->wclass.pin.connected == 0)
                        continue;
                prio = (w1->wclass.pin.connected == 1) ? 2 : 1;
                if (prio < bestprio)
                        continue;
                if (prio > bestprio) {
                        mask = 0;
                        bestprio = prio;
                }
                mask |= (1 << w1->ossdev);
                fullmask |= (1 << w1->ossdev);
        }
        if (mask == 0)
                return;
        /* Prefer newly connected input. */
        if (w != NULL && (mask & (1 << w->ossdev)))
                mask = (1 << w->ossdev);
        /* Prefer previously selected input */
        if (mask & pdevinfo->recsrc)
                mask &= pdevinfo->recsrc;
        /* Prefer mic. */
        if (mask & SOUND_MASK_MIC)
                mask = SOUND_MASK_MIC;
        /* Prefer monitor (2nd mic). */
        if (mask & SOUND_MASK_MONITOR)
                mask = SOUND_MASK_MONITOR;
        /* Just take first one. */
        mask = (1 << (ffs(mask) - 1));
        HDA_BOOTVERBOSE(
                hdaa_audio_ctl_ossmixer_mask2allname(mask, buf, sizeof(buf));
                device_printf(pdevinfo->dev,
                    "Automatically set rec source to: %s\n", buf);
        );
        hdaa_unlock(devinfo);
        mix_setrecsrc(pdevinfo->mixer, mask);
        hdaa_lock(devinfo);
}

/*
 * Jack presence detection event handler.
 */
static void
hdaa_presence_handler(struct hdaa_widget *w)
{
        struct hdaa_devinfo *devinfo = w->devinfo;
        struct hdaa_audio_as *as, *asp;
        char buf[32];
        uint32_t res;
        int connected, old, i;
        bool active;

        if (w->enable == 0 || w->type !=
            HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                return;

        if (HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP(w->wclass.pin.cap) == 0 ||
            (HDA_CONFIG_DEFAULTCONF_MISC(w->wclass.pin.config) & 1) != 0)
                return;

        res = hda_command(devinfo->dev, HDA_CMD_GET_PIN_SENSE(0, w->nid));
        connected = (res & HDA_CMD_GET_PIN_SENSE_PRESENCE_DETECT) != 0;
        if (devinfo->quirks & HDAA_QUIRK_SENSEINV)
                connected = !connected;
        old = w->wclass.pin.connected;
        if (connected == old)
                return;
        w->wclass.pin.connected = connected;

        as = &devinfo->as[w->bindas];
        if (as->hpredir >= 0 && as->pins[15] == w->nid)
                hdaa_hpredir_handler(w);
        if (as->dir == HDAA_CTL_IN && old != 2)
                hdaa_autorecsrc_handler(as, w);
        if (old != 2)
                hdaa_channels_handler(as);

        if (connected || old != 2) {
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            "Pin sense: nid=%d sense=0x%08x (%sconnected)\n",
                            w->nid, res, !connected ? "dis" : "");
                );
                if (as->hpredir >= 0)
                        return;
                for (i = 0, active = false; i < devinfo->num_devs; i++) {
                        if (device_get_unit(devinfo->devs[i].dev) == snd_unit) {
                                active = true;
                                break;
                        }
                }
                /* Proceed only if we are currently using this codec. */
                if (!active)
                        return;
                for (i = 0; i < devinfo->ascnt; i++) {
                        asp = &devinfo->as[i];
                        if (!asp->enable)
                                continue;
                        if ((connected && asp->index == as->index) ||
                            (!connected && asp->dir == as->dir)) {
                                snprintf(buf, sizeof(buf), "cdev=dsp%d",
                                    device_get_unit(asp->pdevinfo->dev));
                                devctl_notify("SND", "CONN",
                                    asp->dir == HDAA_CTL_IN ? "IN" : "OUT", buf);
                                break;
                        }
                }
        }
}

/*
 * Callback for poll based presence detection.
 */
static void
hdaa_jack_poll_callback(void *arg)
{
        struct hdaa_devinfo *devinfo = arg;
        struct hdaa_widget *w;
        int i;

        hdaa_lock(devinfo);
        if (devinfo->poll_ival == 0) {
                hdaa_unlock(devinfo);
                return;
        }
        for (i = 0; i < devinfo->ascnt; i++) {
                if (devinfo->as[i].hpredir < 0)
                        continue;
                w = hdaa_widget_get(devinfo, devinfo->as[i].pins[15]);
                if (w == NULL || w->enable == 0 || w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                hdaa_presence_handler(w);
        }
        callout_reset(&devinfo->poll_jack, devinfo->poll_ival,
            hdaa_jack_poll_callback, devinfo);
        hdaa_unlock(devinfo);
}

static void
hdaa_eld_dump(struct hdaa_widget *w)
{
        struct hdaa_devinfo *devinfo = w->devinfo;
        device_t dev = devinfo->dev;
        uint8_t *sad;
        int mnl, i, sadc, fmt;

        if (w->eld == NULL || w->eld_len < 4)
                return;
        device_printf(dev,
            "ELD nid=%d: ELD_Ver=%u Baseline_ELD_Len=%u\n",
            w->nid, w->eld[0] >> 3, w->eld[2]);
        if ((w->eld[0] >> 3) != 0x02)
                return;
        mnl = w->eld[4] & 0x1f;
        device_printf(dev,
            "ELD nid=%d: CEA_EDID_Ver=%u MNL=%u\n",
            w->nid, w->eld[4] >> 5, mnl);
        sadc = w->eld[5] >> 4;
        device_printf(dev,
            "ELD nid=%d: SAD_Count=%u Conn_Type=%u S_AI=%u HDCP=%u\n",
            w->nid, sadc, (w->eld[5] >> 2) & 0x3,
            (w->eld[5] >> 1) & 0x1, w->eld[5] & 0x1);
        device_printf(dev,
            "ELD nid=%d: Aud_Synch_Delay=%ums\n",
            w->nid, w->eld[6] * 2);
        device_printf(dev,
            "ELD nid=%d: Channels=0x%b\n",
            w->nid, w->eld[7],
            "\020\07RLRC\06FLRC\05RC\04RLR\03FC\02LFE\01FLR");
        device_printf(dev,
            "ELD nid=%d: Port_ID=0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
            w->nid, w->eld[8], w->eld[9], w->eld[10], w->eld[11],
            w->eld[12], w->eld[13], w->eld[14], w->eld[15]);
        device_printf(dev,
            "ELD nid=%d: Manufacturer_Name=0x%02x%02x\n",
            w->nid, w->eld[16], w->eld[17]);
        device_printf(dev,
            "ELD nid=%d: Product_Code=0x%02x%02x\n",
            w->nid, w->eld[18], w->eld[19]);
        device_printf(dev,
            "ELD nid=%d: Monitor_Name_String='%.*s'\n",
            w->nid, mnl, &w->eld[20]);
        for (i = 0; i < sadc; i++) {
                sad = &w->eld[20 + mnl + i * 3];
                fmt = (sad[0] >> 3) & 0x0f;
                if (fmt == HDA_HDMI_CODING_TYPE_REF_CTX) {
                        fmt = (sad[2] >> 3) & 0x1f;
                        if (fmt < 1 || fmt > 3)
                                fmt = 0;
                        else
                                fmt += 14;
                }
                device_printf(dev,
                    "ELD nid=%d: %s %dch freqs=0x%b",
                    w->nid, HDA_HDMI_CODING_TYPES[fmt], (sad[0] & 0x07) + 1,
                    sad[1], "\020\007192\006176\00596\00488\00348\00244\00132");
                switch (fmt) {
                case HDA_HDMI_CODING_TYPE_LPCM:
                        printf(" sizes=0x%b",
                            sad[2] & 0x07, "\020\00324\00220\00116");
                        break;
                case HDA_HDMI_CODING_TYPE_AC3:
                case HDA_HDMI_CODING_TYPE_MPEG1:
                case HDA_HDMI_CODING_TYPE_MP3:
                case HDA_HDMI_CODING_TYPE_MPEG2:
                case HDA_HDMI_CODING_TYPE_AACLC:
                case HDA_HDMI_CODING_TYPE_DTS:
                case HDA_HDMI_CODING_TYPE_ATRAC:
                        printf(" max_bitrate=%d", sad[2] * 8000);
                        break;
                case HDA_HDMI_CODING_TYPE_WMAPRO:
                        printf(" profile=%d", sad[2] & 0x07);
                        break;
                }
                printf("\n");
        }
}

static void
hdaa_eld_handler(struct hdaa_widget *w)
{
        struct hdaa_devinfo *devinfo = w->devinfo;
        uint32_t res;
        int i;

        if (w->enable == 0 || w->type !=
            HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                return;

        if (HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP(w->wclass.pin.cap) == 0 ||
            (HDA_CONFIG_DEFAULTCONF_MISC(w->wclass.pin.config) & 1) != 0)
                return;

        res = hda_command(devinfo->dev, HDA_CMD_GET_PIN_SENSE(0, w->nid));
        if ((w->eld != 0) == ((res & HDA_CMD_GET_PIN_SENSE_ELD_VALID) != 0))
                return;
        if (w->eld != NULL) {
                w->eld_len = 0;
                free(w->eld, M_HDAA);
                w->eld = NULL;
        }
        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "Pin sense: nid=%d sense=0x%08x "
                    "(%sconnected, ELD %svalid)\n",
                    w->nid, res,
                    (res & HDA_CMD_GET_PIN_SENSE_PRESENCE_DETECT) ? "" : "dis",
                    (res & HDA_CMD_GET_PIN_SENSE_ELD_VALID) ? "" : "in");
        );
        if ((res & HDA_CMD_GET_PIN_SENSE_ELD_VALID) == 0)
                return;

        res = hda_command(devinfo->dev,
            HDA_CMD_GET_HDMI_DIP_SIZE(0, w->nid, 0x08));
        if (res == HDA_INVALID)
                return;
        w->eld_len = res & 0xff;
        if (w->eld_len != 0)
                w->eld = malloc(w->eld_len, M_HDAA, M_ZERO | M_NOWAIT);
        if (w->eld == NULL) {
                w->eld_len = 0;
                return;
        }

        for (i = 0; i < w->eld_len; i++) {
                res = hda_command(devinfo->dev,
                    HDA_CMD_GET_HDMI_ELDD(0, w->nid, i));
                if (res & 0x80000000)
                        w->eld[i] = res & 0xff;
        }
        HDA_BOOTVERBOSE(
                hdaa_eld_dump(w);
        );
        hdaa_channels_handler(&devinfo->as[w->bindas]);
}

/*
 * Pin sense initializer.
 */
static void
hdaa_sense_init(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as;
        struct hdaa_widget *w;
        int i, poll = 0;

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0 || w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (HDA_PARAM_AUDIO_WIDGET_CAP_UNSOL_CAP(w->param.widget_cap)) {
                        if (w->unsol < 0)
                                w->unsol = HDAC_UNSOL_ALLOC(
                                    device_get_parent(devinfo->dev),
                                    devinfo->dev, w->nid);
                        hda_command(devinfo->dev,
                            HDA_CMD_SET_UNSOLICITED_RESPONSE(0, w->nid,
                            HDA_CMD_SET_UNSOLICITED_RESPONSE_ENABLE | w->unsol));
                }
                as = &devinfo->as[w->bindas];
                if (as->hpredir >= 0 && as->pins[15] == w->nid) {
                        if (HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP(w->wclass.pin.cap) == 0 ||
                            (HDA_CONFIG_DEFAULTCONF_MISC(w->wclass.pin.config) & 1) != 0) {
                                device_printf(devinfo->dev,
                                    "No presence detection support at nid %d\n",
                                    w->nid);
                        } else {
                                if (w->unsol < 0)
                                        poll = 1;
                                HDA_BOOTVERBOSE(
                                        device_printf(devinfo->dev,
                                            "Headphones redirection for "
                                            "association %d nid=%d using %s.\n",
                                            w->bindas, w->nid,
                                            (w->unsol < 0) ? "polling" :
                                            "unsolicited responses");
                                );
                        }
                }
                hdaa_presence_handler(w);
                if (!HDA_PARAM_PIN_CAP_DP(w->wclass.pin.cap) &&
                    !HDA_PARAM_PIN_CAP_HDMI(w->wclass.pin.cap))
                        continue;
                hdaa_eld_handler(w);
        }
        if (poll) {
                callout_reset(&devinfo->poll_jack, 1,
                    hdaa_jack_poll_callback, devinfo);
        }
}

static void
hdaa_sense_deinit(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        int i;

        callout_stop(&devinfo->poll_jack);
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0 || w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (w->unsol < 0)
                        continue;
                hda_command(devinfo->dev,
                    HDA_CMD_SET_UNSOLICITED_RESPONSE(0, w->nid, 0));
                HDAC_UNSOL_FREE(
                    device_get_parent(devinfo->dev), devinfo->dev,
                    w->unsol);
                w->unsol = -1;
        }
}

uint32_t
hdaa_widget_pin_patch(uint32_t config, const char *str)
{
        char buf[256];
        char *key, *value, *rest, *bad;
        int ival, i;

        strlcpy(buf, str, sizeof(buf));
        rest = buf;
        while ((key = strsep(&rest, "=")) != NULL) {
                value = strsep(&rest, " \t");
                if (value == NULL)
                        break;
                ival = strtol(value, &bad, 10);
                if (strcmp(key, "seq") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_SEQUENCE_MASK;
                        config |= ((ival << HDA_CONFIG_DEFAULTCONF_SEQUENCE_SHIFT) &
                            HDA_CONFIG_DEFAULTCONF_SEQUENCE_MASK);
                } else if (strcmp(key, "as") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_ASSOCIATION_MASK;
                        config |= ((ival << HDA_CONFIG_DEFAULTCONF_ASSOCIATION_SHIFT) &
                            HDA_CONFIG_DEFAULTCONF_ASSOCIATION_MASK);
                } else if (strcmp(key, "misc") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_MISC_MASK;
                        config |= ((ival << HDA_CONFIG_DEFAULTCONF_MISC_SHIFT) &
                            HDA_CONFIG_DEFAULTCONF_MISC_MASK);
                } else if (strcmp(key, "color") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_COLOR_MASK;
                        if (bad[0] == 0) {
                                config |= ((ival << HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT) &
                                    HDA_CONFIG_DEFAULTCONF_COLOR_MASK);
                        }
                        for (i = 0; i < 16; i++) {
                                if (strcasecmp(HDA_COLORS[i], value) == 0) {
                                        config |= (i << HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT);
                                        break;
                                }
                        }
                } else if (strcmp(key, "ctype") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE_MASK;
                        if (bad[0] == 0) {
                        config |= ((ival << HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE_SHIFT) &
                            HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE_MASK);
                        }
                        for (i = 0; i < 16; i++) {
                                if (strcasecmp(HDA_CONNECTORS[i], value) == 0) {
                                        config |= (i << HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE_SHIFT);
                                        break;
                                }
                        }
                } else if (strcmp(key, "device") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_DEVICE_MASK;
                        if (bad[0] == 0) {
                                config |= ((ival << HDA_CONFIG_DEFAULTCONF_DEVICE_SHIFT) &
                                    HDA_CONFIG_DEFAULTCONF_DEVICE_MASK);
                                continue;
                        }
                        for (i = 0; i < 16; i++) {
                                if (strcasecmp(HDA_DEVS[i], value) == 0) {
                                        config |= (i << HDA_CONFIG_DEFAULTCONF_DEVICE_SHIFT);
                                        break;
                                }
                        }
                } else if (strcmp(key, "loc") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_LOCATION_MASK;
                        if (bad[0] == 0) {
                                config |= ((ival << HDA_CONFIG_DEFAULTCONF_LOCATION_SHIFT) &
                                    HDA_CONFIG_DEFAULTCONF_LOCATION_MASK);
                                continue;
                        }
                        for (i = 0; i < 64; i++) {
                                if (strcasecmp(HDA_LOCS[i], value) == 0) {
                                        config |= (i << HDA_CONFIG_DEFAULTCONF_LOCATION_SHIFT);
                                        break;
                                }
                        }
                } else if (strcmp(key, "conn") == 0) {
                        config &= ~HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_MASK;
                        if (bad[0] == 0) {
                                config |= ((ival << HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_SHIFT) &
                                    HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_MASK);
                                continue;
                        }
                        for (i = 0; i < 4; i++) {
                                if (strcasecmp(HDA_CONNS[i], value) == 0) {
                                        config |= (i << HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_SHIFT);
                                        break;
                                }
                        }
                }
        }
        return (config);
}

uint32_t
hdaa_gpio_patch(uint32_t gpio, const char *str)
{
        char buf[256];
        char *key, *value, *rest;
        int ikey, i;

        strlcpy(buf, str, sizeof(buf));
        rest = buf;
        while ((key = strsep(&rest, "=")) != NULL) {
                value = strsep(&rest, " \t");
                if (value == NULL)
                        break;
                ikey = strtol(key, NULL, 10);
                if (ikey < 0 || ikey > 7)
                        continue;
                for (i = 0; i < 7; i++) {
                        if (strcasecmp(HDA_GPIO_ACTIONS[i], value) == 0) {
                                gpio &= ~HDAA_GPIO_MASK(ikey);
                                gpio |= i << HDAA_GPIO_SHIFT(ikey);
                                break;
                        }
                }
        }
        return (gpio);
}

static void
hdaa_local_patch_pin(struct hdaa_widget *w)
{
        device_t dev = w->devinfo->dev;
        const char *res = NULL;
        uint32_t config, orig;
        char buf[32];

        config = orig = w->wclass.pin.config;
        snprintf(buf, sizeof(buf), "cad%u.nid%u.config",
            hda_get_codec_id(dev), w->nid);
        if (resource_string_value(device_get_name(
            device_get_parent(device_get_parent(dev))),
            device_get_unit(device_get_parent(device_get_parent(dev))),
            buf, &res) == 0) {
                if (strncmp(res, "0x", 2) == 0) {
                        config = strtol(res + 2, NULL, 16);
                } else {
                        config = hdaa_widget_pin_patch(config, res);
                }
        }
        snprintf(buf, sizeof(buf), "nid%u.config", w->nid);
        if (resource_string_value(device_get_name(dev), device_get_unit(dev),
            buf, &res) == 0) {
                if (strncmp(res, "0x", 2) == 0) {
                        config = strtol(res + 2, NULL, 16);
                } else {
                        config = hdaa_widget_pin_patch(config, res);
                }
        }
        HDA_BOOTVERBOSE(
                if (config != orig)
                        device_printf(w->devinfo->dev,
                            "Patching pin config nid=%u 0x%08x -> 0x%08x\n",
                            w->nid, orig, config);
        );
        w->wclass.pin.newconf = w->wclass.pin.config = config;
}

static void
hdaa_dump_audio_formats_sb(struct sbuf *sb, uint32_t fcap, uint32_t pcmcap)
{
        uint32_t cap;

        cap = fcap;
        if (cap != 0) {
                sbuf_printf(sb, "     Stream cap: 0x%08x", cap);
                if (HDA_PARAM_SUPP_STREAM_FORMATS_AC3(cap))
                        sbuf_printf(sb, " AC3");
                if (HDA_PARAM_SUPP_STREAM_FORMATS_FLOAT32(cap))
                        sbuf_printf(sb, " FLOAT32");
                if (HDA_PARAM_SUPP_STREAM_FORMATS_PCM(cap))
                        sbuf_printf(sb, " PCM");
                sbuf_printf(sb, "\n");
        }
        cap = pcmcap;
        if (cap != 0) {
                sbuf_printf(sb, "        PCM cap: 0x%08x", cap);
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_8BIT(cap))
                        sbuf_printf(sb, " 8");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_16BIT(cap))
                        sbuf_printf(sb, " 16");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_20BIT(cap))
                        sbuf_printf(sb, " 20");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_24BIT(cap))
                        sbuf_printf(sb, " 24");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_32BIT(cap))
                        sbuf_printf(sb, " 32");
                sbuf_printf(sb, " bits,");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_8KHZ(cap))
                        sbuf_printf(sb, " 8");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_11KHZ(cap))
                        sbuf_printf(sb, " 11");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_16KHZ(cap))
                        sbuf_printf(sb, " 16");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_22KHZ(cap))
                        sbuf_printf(sb, " 22");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_32KHZ(cap))
                        sbuf_printf(sb, " 32");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_44KHZ(cap))
                        sbuf_printf(sb, " 44");
                sbuf_printf(sb, " 48");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_88KHZ(cap))
                        sbuf_printf(sb, " 88");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_96KHZ(cap))
                        sbuf_printf(sb, " 96");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_176KHZ(cap))
                        sbuf_printf(sb, " 176");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_192KHZ(cap))
                        sbuf_printf(sb, " 192");
                sbuf_printf(sb, " KHz\n");
        }
}

static void
hdaa_dump_pin_sb(struct sbuf *sb, struct hdaa_widget *w)
{
        uint32_t pincap, conf;

        pincap = w->wclass.pin.cap;

        sbuf_printf(sb, "        Pin cap: 0x%08x", pincap);
        if (HDA_PARAM_PIN_CAP_IMP_SENSE_CAP(pincap))
                sbuf_printf(sb, " ISC");
        if (HDA_PARAM_PIN_CAP_TRIGGER_REQD(pincap))
                sbuf_printf(sb, " TRQD");
        if (HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP(pincap))
                sbuf_printf(sb, " PDC");
        if (HDA_PARAM_PIN_CAP_HEADPHONE_CAP(pincap))
                sbuf_printf(sb, " HP");
        if (HDA_PARAM_PIN_CAP_OUTPUT_CAP(pincap))
                sbuf_printf(sb, " OUT");
        if (HDA_PARAM_PIN_CAP_INPUT_CAP(pincap))
                sbuf_printf(sb, " IN");
        if (HDA_PARAM_PIN_CAP_BALANCED_IO_PINS(pincap))
                sbuf_printf(sb, " BAL");
        if (HDA_PARAM_PIN_CAP_HDMI(pincap))
                sbuf_printf(sb, " HDMI");
        if (HDA_PARAM_PIN_CAP_VREF_CTRL(pincap)) {
                sbuf_printf(sb, " VREF[");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_50(pincap))
                        sbuf_printf(sb, " 50");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_80(pincap))
                        sbuf_printf(sb, " 80");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_100(pincap))
                        sbuf_printf(sb, " 100");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_GROUND(pincap))
                        sbuf_printf(sb, " GROUND");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_HIZ(pincap))
                        sbuf_printf(sb, " HIZ");
                sbuf_printf(sb, " ]");
        }
        if (HDA_PARAM_PIN_CAP_EAPD_CAP(pincap))
                sbuf_printf(sb, " EAPD");
        if (HDA_PARAM_PIN_CAP_DP(pincap))
                sbuf_printf(sb, " DP");
        if (HDA_PARAM_PIN_CAP_HBR(pincap))
                sbuf_printf(sb, " HBR");
        sbuf_printf(sb, "\n");
        conf = w->wclass.pin.config;
        sbuf_printf(sb, "     Pin config: 0x%08x", conf);
        sbuf_printf(sb, " as=%d seq=%d "
            "device=%s conn=%s ctype=%s loc=%s color=%s misc=%d\n",
            HDA_CONFIG_DEFAULTCONF_ASSOCIATION(conf),
            HDA_CONFIG_DEFAULTCONF_SEQUENCE(conf),
            HDA_DEVS[HDA_CONFIG_DEFAULTCONF_DEVICE(conf)],
            HDA_CONNS[HDA_CONFIG_DEFAULTCONF_CONNECTIVITY(conf)],
            HDA_CONNECTORS[HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE(conf)],
            HDA_LOCS[HDA_CONFIG_DEFAULTCONF_LOCATION(conf)],
            HDA_COLORS[HDA_CONFIG_DEFAULTCONF_COLOR(conf)],
            HDA_CONFIG_DEFAULTCONF_MISC(conf));
        sbuf_printf(sb, "    Pin control: 0x%08x", w->wclass.pin.ctrl);
        if (w->wclass.pin.ctrl & HDA_CMD_SET_PIN_WIDGET_CTRL_HPHN_ENABLE)
                sbuf_printf(sb, " HP");
        if (w->wclass.pin.ctrl & HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE)
                sbuf_printf(sb, " IN");
        if (w->wclass.pin.ctrl & HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE)
                sbuf_printf(sb, " OUT");
        if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap)) {
                if ((w->wclass.pin.ctrl &
                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK) == 0x03)
                        sbuf_printf(sb, " HBR");
                else if ((w->wclass.pin.ctrl &
                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK) != 0)
                        sbuf_printf(sb, " EPTs");
        } else {
                if ((w->wclass.pin.ctrl &
                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK) != 0)
                        sbuf_printf(sb, " VREFs");
        }
        sbuf_printf(sb, "\n");
}

static void
hdaa_dump_amp_sb(struct sbuf *sb, uint32_t cap, const char *banner)
{
        int offset, size, step;

        offset = HDA_PARAM_OUTPUT_AMP_CAP_OFFSET(cap);
        size = HDA_PARAM_OUTPUT_AMP_CAP_STEPSIZE(cap);
        step = HDA_PARAM_OUTPUT_AMP_CAP_NUMSTEPS(cap);
        sbuf_printf(sb, "     %s amp: 0x%08x "
            "mute=%d step=%d size=%d offset=%d (%+d/%+ddB)\n",
            banner, cap,
            HDA_PARAM_OUTPUT_AMP_CAP_MUTE_CAP(cap),
            step, size, offset,
            ((0 - offset) * (size + 1)) / 4,
            ((step - offset) * (size + 1)) / 4);
}

static int
hdaa_sysctl_caps(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_devinfo *devinfo;
        struct hdaa_widget *w, *cw;
        struct sbuf sb;
        char buf[64];
        int error, j;

        w = (struct hdaa_widget *)oidp->oid_arg1;
        devinfo = w->devinfo;
        sbuf_new_for_sysctl(&sb, NULL, 256, req);

        sbuf_printf(&sb, "%s%s\n", w->name,
            (w->enable == 0) ? " [DISABLED]" : "");
        sbuf_printf(&sb, "     Widget cap: 0x%08x",
            w->param.widget_cap);
        if (w->param.widget_cap & 0x0ee1) {
                if (HDA_PARAM_AUDIO_WIDGET_CAP_LR_SWAP(w->param.widget_cap))
                    sbuf_printf(&sb, " LRSWAP");
                if (HDA_PARAM_AUDIO_WIDGET_CAP_POWER_CTRL(w->param.widget_cap))
                    sbuf_printf(&sb, " PWR");
                if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap))
                    sbuf_printf(&sb, " DIGITAL");
                if (HDA_PARAM_AUDIO_WIDGET_CAP_UNSOL_CAP(w->param.widget_cap))
                    sbuf_printf(&sb, " UNSOL");
                if (HDA_PARAM_AUDIO_WIDGET_CAP_PROC_WIDGET(w->param.widget_cap))
                    sbuf_printf(&sb, " PROC");
                if (HDA_PARAM_AUDIO_WIDGET_CAP_STRIPE(w->param.widget_cap))
                    sbuf_printf(&sb, " STRIPE(x%d)",
                        1 << (fls(w->wclass.conv.stripecap) - 1));
                j = HDA_PARAM_AUDIO_WIDGET_CAP_CC(w->param.widget_cap);
                if (j == 1)
                    sbuf_printf(&sb, " STEREO");
                else if (j > 1)
                    sbuf_printf(&sb, " %dCH", j + 1);
        }
        sbuf_printf(&sb, "\n");
        if (w->bindas != -1) {
                sbuf_printf(&sb, "    Association: %d (0x%04x)\n",
                    w->bindas, w->bindseqmask);
        }
        if (w->ossmask != 0 || w->ossdev >= 0) {
                sbuf_printf(&sb, "            OSS: %s",
                    hdaa_audio_ctl_ossmixer_mask2allname(w->ossmask, buf, sizeof(buf)));
                if (w->ossdev >= 0)
                    sbuf_printf(&sb, " (%s)", ossnames[w->ossdev]);
                sbuf_printf(&sb, "\n");
        }
        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT ||
            w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT) {
                hdaa_dump_audio_formats_sb(&sb,
                    w->param.supp_stream_formats,
                    w->param.supp_pcm_size_rate);
        } else if (w->type ==
            HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX || w->waspin)
                hdaa_dump_pin_sb(&sb, w);
        if (w->param.eapdbtl != HDA_INVALID) {
                sbuf_printf(&sb, "           EAPD: 0x%08x%s%s%s\n",
                    w->param.eapdbtl,
                    (w->param.eapdbtl & HDA_CMD_SET_EAPD_BTL_ENABLE_LR_SWAP) ?
                     " LRSWAP" : "",
                    (w->param.eapdbtl & HDA_CMD_SET_EAPD_BTL_ENABLE_EAPD) ?
                     " EAPD" : "",
                    (w->param.eapdbtl & HDA_CMD_SET_EAPD_BTL_ENABLE_BTL) ?
                     " BTL" : "");
        }
        if (HDA_PARAM_AUDIO_WIDGET_CAP_OUT_AMP(w->param.widget_cap) &&
            w->param.outamp_cap != 0)
                hdaa_dump_amp_sb(&sb, w->param.outamp_cap, "Output");
        if (HDA_PARAM_AUDIO_WIDGET_CAP_IN_AMP(w->param.widget_cap) &&
            w->param.inamp_cap != 0)
                hdaa_dump_amp_sb(&sb, w->param.inamp_cap, " Input");
        if (w->nconns > 0)
                sbuf_printf(&sb, "    Connections: %d\n", w->nconns);
        for (j = 0; j < w->nconns; j++) {
                cw = hdaa_widget_get(devinfo, w->conns[j]);
                sbuf_printf(&sb, "          + %s<- nid=%d [%s]",
                    (w->connsenable[j] == 0)?"[DISABLED] ":"",
                    w->conns[j], (cw == NULL) ? "GHOST!" : cw->name);
                if (cw == NULL)
                        sbuf_printf(&sb, " [UNKNOWN]");
                else if (cw->enable == 0)
                        sbuf_printf(&sb, " [DISABLED]");
                if (w->nconns > 1 && w->selconn == j && w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                        sbuf_printf(&sb, " (selected)");
                sbuf_printf(&sb, "\n");
        }
        error = sbuf_finish(&sb);
        sbuf_delete(&sb);
        return (error);
}

static int
hdaa_sysctl_config(SYSCTL_HANDLER_ARGS)
{
        char buf[256];
        int error;
        uint32_t conf;

        conf = *(uint32_t *)oidp->oid_arg1;
        snprintf(buf, sizeof(buf), "0x%08x as=%d seq=%d "
            "device=%s conn=%s ctype=%s loc=%s color=%s misc=%d",
            conf,
            HDA_CONFIG_DEFAULTCONF_ASSOCIATION(conf),
            HDA_CONFIG_DEFAULTCONF_SEQUENCE(conf),
            HDA_DEVS[HDA_CONFIG_DEFAULTCONF_DEVICE(conf)],
            HDA_CONNS[HDA_CONFIG_DEFAULTCONF_CONNECTIVITY(conf)],
            HDA_CONNECTORS[HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE(conf)],
            HDA_LOCS[HDA_CONFIG_DEFAULTCONF_LOCATION(conf)],
            HDA_COLORS[HDA_CONFIG_DEFAULTCONF_COLOR(conf)],
            HDA_CONFIG_DEFAULTCONF_MISC(conf));
        error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
        if (error != 0 || req->newptr == NULL)
                return (error);
        if (strncmp(buf, "0x", 2) == 0)
                conf = strtol(buf + 2, NULL, 16);
        else
                conf = hdaa_widget_pin_patch(conf, buf);
        *(uint32_t *)oidp->oid_arg1 = conf;
        return (0);
}

static void
hdaa_config_fetch(const char *str, uint32_t *on, uint32_t *off)
{
        size_t k;
        int i = 0, j, len, inv;

        for (;;) {
                while (str[i] != '\0' &&
                    (str[i] == ',' || isspace(str[i]) != 0))
                        i++;
                if (str[i] == '\0')
                        return;
                j = i;
                while (str[j] != '\0' &&
                    !(str[j] == ',' || isspace(str[j]) != 0))
                        j++;
                len = j - i;
                if (len > 2 && strncmp(str + i, "no", 2) == 0)
                        inv = 2;
                else
                        inv = 0;
                for (k = 0; len > inv && k < nitems(hdaa_quirks_tab); k++) {
                        if (strncmp(str + i + inv,
                            hdaa_quirks_tab[k].key, len - inv) != 0)
                                continue;
                        if (len - inv != strlen(hdaa_quirks_tab[k].key))
                                continue;
                        if (inv == 0) {
                                *on |= hdaa_quirks_tab[k].value;
                                *off &= ~hdaa_quirks_tab[k].value;
                        } else {
                                *off |= hdaa_quirks_tab[k].value;
                                *on &= ~hdaa_quirks_tab[k].value;
                        }
                        break;
                }
                i = j;
        }
}

static int
hdaa_sysctl_quirks(SYSCTL_HANDLER_ARGS)
{
        char buf[256];
        int error, n = 0;
        size_t i;
        uint32_t quirks, quirks_off;

        quirks = *(uint32_t *)oidp->oid_arg1;
        buf[0] = 0;
        for (i = 0; i < nitems(hdaa_quirks_tab); i++) {
                if ((quirks & hdaa_quirks_tab[i].value) != 0)
                        n += snprintf(buf + n, sizeof(buf) - n, "%s%s",
                            n != 0 ? "," : "", hdaa_quirks_tab[i].key);
        }
        error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
        if (error != 0 || req->newptr == NULL)
                return (error);
        if (strncmp(buf, "0x", 2) == 0)
                quirks = strtol(buf + 2, NULL, 16);
        else {
                quirks = 0;
                hdaa_config_fetch(buf, &quirks, &quirks_off);
        }
        *(uint32_t *)oidp->oid_arg1 = quirks;
        return (0);
}

static void
hdaa_local_patch(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        const char *res = NULL;
        uint32_t quirks_on = 0, quirks_off = 0, x;
        int i;

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL)
                        continue;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        hdaa_local_patch_pin(w);
        }

        if (resource_string_value(device_get_name(devinfo->dev),
            device_get_unit(devinfo->dev), "config", &res) == 0) {
                if (res != NULL && strlen(res) > 0)
                        hdaa_config_fetch(res, &quirks_on, &quirks_off);
                devinfo->quirks |= quirks_on;
                devinfo->quirks &= ~quirks_off;
        }
        if (devinfo->newquirks == -1)
                devinfo->newquirks = devinfo->quirks;
        else
                devinfo->quirks = devinfo->newquirks;
        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev,
                    "Config options: 0x%08x\n", devinfo->quirks);
        );

        if (resource_string_value(device_get_name(devinfo->dev),
            device_get_unit(devinfo->dev), "gpio_config", &res) == 0) {
                if (strncmp(res, "0x", 2) == 0) {
                        devinfo->gpio = strtol(res + 2, NULL, 16);
                } else {
                        devinfo->gpio = hdaa_gpio_patch(devinfo->gpio, res);
                }
        }
        if (devinfo->newgpio == -1)
                devinfo->newgpio = devinfo->gpio;
        else
                devinfo->gpio = devinfo->newgpio;
        if (devinfo->newgpo == -1)
                devinfo->newgpo = devinfo->gpo;
        else
                devinfo->gpo = devinfo->newgpo;
        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev, "GPIO config options:");
                for (i = 0; i < 7; i++) {
                        x = (devinfo->gpio & HDAA_GPIO_MASK(i)) >> HDAA_GPIO_SHIFT(i);
                        if (x != 0)
                                printf(" %d=%s", i, HDA_GPIO_ACTIONS[x]);
                }
                printf("\n");
        );
}

static void
hdaa_widget_connection_parse(struct hdaa_widget *w)
{
        uint32_t res;
        int i, j, max, ents, entnum;
        nid_t nid = w->nid;
        nid_t cnid, addcnid, prevcnid;

        w->nconns = 0;

        res = hda_command(w->devinfo->dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_CONN_LIST_LENGTH));

        ents = HDA_PARAM_CONN_LIST_LENGTH_LIST_LENGTH(res);

        if (ents < 1)
                return;

        entnum = HDA_PARAM_CONN_LIST_LENGTH_LONG_FORM(res) ? 2 : 4;
        max = (sizeof(w->conns) / sizeof(w->conns[0])) - 1;
        prevcnid = 0;

#define CONN_RMASK(e)           (1 << ((32 / (e)) - 1))
#define CONN_NMASK(e)           (CONN_RMASK(e) - 1)
#define CONN_RESVAL(r, e, n)    ((r) >> ((32 / (e)) * (n)))
#define CONN_RANGE(r, e, n)     (CONN_RESVAL(r, e, n) & CONN_RMASK(e))
#define CONN_CNID(r, e, n)      (CONN_RESVAL(r, e, n) & CONN_NMASK(e))

        for (i = 0; i < ents; i += entnum) {
                res = hda_command(w->devinfo->dev,
                    HDA_CMD_GET_CONN_LIST_ENTRY(0, nid, i));
                for (j = 0; j < entnum; j++) {
                        cnid = CONN_CNID(res, entnum, j);
                        if (cnid == 0) {
                                if (w->nconns < ents)
                                        device_printf(w->devinfo->dev,
                                            "WARNING: nid=%d has zero cnid "
                                            "entnum=%d j=%d index=%d "
                                            "entries=%d found=%d res=0x%08x\n",
                                            nid, entnum, j, i,
                                            ents, w->nconns, res);
                                else
                                        goto getconns_out;
                        }
                        if (cnid < w->devinfo->startnode ||
                            cnid >= w->devinfo->endnode) {
                                HDA_BOOTVERBOSE(
                                        device_printf(w->devinfo->dev,
                                            "WARNING: nid=%d has cnid outside "
                                            "of the AFG range j=%d "
                                            "entnum=%d index=%d res=0x%08x\n",
                                            nid, j, entnum, i, res);
                                );
                        }
                        if (CONN_RANGE(res, entnum, j) == 0)
                                addcnid = cnid;
                        else if (prevcnid == 0 || prevcnid >= cnid) {
                                device_printf(w->devinfo->dev,
                                    "WARNING: Invalid child range "
                                    "nid=%d index=%d j=%d entnum=%d "
                                    "prevcnid=%d cnid=%d res=0x%08x\n",
                                    nid, i, j, entnum, prevcnid,
                                    cnid, res);
                                addcnid = cnid;
                        } else
                                addcnid = prevcnid + 1;
                        while (addcnid <= cnid) {
                                if (w->nconns > max) {
                                        device_printf(w->devinfo->dev,
                                            "Adding %d (nid=%d): "
                                            "Max connection reached! max=%d\n",
                                            addcnid, nid, max + 1);
                                        goto getconns_out;
                                }
                                w->connsenable[w->nconns] = 1;
                                w->conns[w->nconns++] = addcnid++;
                        }
                        prevcnid = cnid;
                }
        }

getconns_out:
        return;
}

static void
hdaa_widget_parse(struct hdaa_widget *w)
{
        device_t dev = w->devinfo->dev;
        uint32_t wcap, cap;
        nid_t nid = w->nid;
        char buf[64];

        w->param.widget_cap = wcap = hda_command(dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_AUDIO_WIDGET_CAP));
        w->type = HDA_PARAM_AUDIO_WIDGET_CAP_TYPE(wcap);

        hdaa_widget_connection_parse(w);

        if (HDA_PARAM_AUDIO_WIDGET_CAP_OUT_AMP(wcap)) {
                if (HDA_PARAM_AUDIO_WIDGET_CAP_AMP_OVR(wcap))
                        w->param.outamp_cap =
                            hda_command(dev,
                            HDA_CMD_GET_PARAMETER(0, nid,
                            HDA_PARAM_OUTPUT_AMP_CAP));
                else
                        w->param.outamp_cap =
                            w->devinfo->outamp_cap;
        } else
                w->param.outamp_cap = 0;

        if (HDA_PARAM_AUDIO_WIDGET_CAP_IN_AMP(wcap)) {
                if (HDA_PARAM_AUDIO_WIDGET_CAP_AMP_OVR(wcap))
                        w->param.inamp_cap =
                            hda_command(dev,
                            HDA_CMD_GET_PARAMETER(0, nid,
                            HDA_PARAM_INPUT_AMP_CAP));
                else
                        w->param.inamp_cap =
                            w->devinfo->inamp_cap;
        } else
                w->param.inamp_cap = 0;

        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT ||
            w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT) {
                if (HDA_PARAM_AUDIO_WIDGET_CAP_FORMAT_OVR(wcap)) {
                        cap = hda_command(dev,
                            HDA_CMD_GET_PARAMETER(0, nid,
                            HDA_PARAM_SUPP_STREAM_FORMATS));
                        w->param.supp_stream_formats = (cap != 0) ? cap :
                            w->devinfo->supp_stream_formats;
                        cap = hda_command(dev,
                            HDA_CMD_GET_PARAMETER(0, nid,
                            HDA_PARAM_SUPP_PCM_SIZE_RATE));
                        w->param.supp_pcm_size_rate = (cap != 0) ? cap :
                            w->devinfo->supp_pcm_size_rate;
                } else {
                        w->param.supp_stream_formats =
                            w->devinfo->supp_stream_formats;
                        w->param.supp_pcm_size_rate =
                            w->devinfo->supp_pcm_size_rate;
                }
                if (HDA_PARAM_AUDIO_WIDGET_CAP_STRIPE(w->param.widget_cap)) {
                        w->wclass.conv.stripecap = hda_command(dev,
                            HDA_CMD_GET_STRIPE_CONTROL(0, w->nid)) >> 20;
                } else
                        w->wclass.conv.stripecap = 1;
        } else {
                w->param.supp_stream_formats = 0;
                w->param.supp_pcm_size_rate = 0;
        }

        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX) {
                w->wclass.pin.original = w->wclass.pin.newconf =
                    w->wclass.pin.config = hda_command(dev,
                        HDA_CMD_GET_CONFIGURATION_DEFAULT(0, w->nid));
                w->wclass.pin.cap = hda_command(dev,
                    HDA_CMD_GET_PARAMETER(0, w->nid, HDA_PARAM_PIN_CAP));
                w->wclass.pin.ctrl = hda_command(dev,
                    HDA_CMD_GET_PIN_WIDGET_CTRL(0, nid));
                w->wclass.pin.connected = 2;
                if (HDA_PARAM_PIN_CAP_EAPD_CAP(w->wclass.pin.cap)) {
                        w->param.eapdbtl = hda_command(dev,
                            HDA_CMD_GET_EAPD_BTL_ENABLE(0, nid));
                        w->param.eapdbtl &= 0x7;
                        w->param.eapdbtl |= HDA_CMD_SET_EAPD_BTL_ENABLE_EAPD;
                } else
                        w->param.eapdbtl = HDA_INVALID;
        }
        w->unsol = -1;

        hdaa_unlock(w->devinfo);
        snprintf(buf, sizeof(buf), "nid%d", w->nid);
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            buf, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
            w, 0, hdaa_sysctl_caps, "A", "Node capabilities");
        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX) {
                snprintf(buf, sizeof(buf), "nid%d_config", w->nid);
                SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
                    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
                    buf, CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
                    &w->wclass.pin.newconf, 0, hdaa_sysctl_config, "A",
                    "Current pin configuration");
                snprintf(buf, sizeof(buf), "nid%d_original", w->nid);
                SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
                    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
                    buf, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
                    &w->wclass.pin.original, 0, hdaa_sysctl_config, "A",
                    "Original pin configuration");
        }
        hdaa_lock(w->devinfo);
}

static void
hdaa_widget_postprocess(struct hdaa_widget *w)
{
        const char *typestr;

        w->type = HDA_PARAM_AUDIO_WIDGET_CAP_TYPE(w->param.widget_cap);
        switch (w->type) {
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT:
                typestr = "audio output";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT:
                typestr = "audio input";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER:
                typestr = "audio mixer";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR:
                typestr = "audio selector";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX:
                typestr = "pin";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_POWER_WIDGET:
                typestr = "power widget";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_VOLUME_WIDGET:
                typestr = "volume widget";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_BEEP_WIDGET:
                typestr = "beep widget";
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_VENDOR_WIDGET:
                typestr = "vendor widget";
                break;
        default:
                typestr = "unknown type";
                break;
        }
        strlcpy(w->name, typestr, sizeof(w->name));

        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX) {
                uint32_t config;
                const char *devstr;
                int conn, color;

                config = w->wclass.pin.config;
                devstr = HDA_DEVS[(config & HDA_CONFIG_DEFAULTCONF_DEVICE_MASK) >>
                    HDA_CONFIG_DEFAULTCONF_DEVICE_SHIFT];
                conn = (config & HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_MASK) >>
                    HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_SHIFT;
                color = (config & HDA_CONFIG_DEFAULTCONF_COLOR_MASK) >>
                    HDA_CONFIG_DEFAULTCONF_COLOR_SHIFT;
                strlcat(w->name, ": ", sizeof(w->name));
                strlcat(w->name, devstr, sizeof(w->name));
                strlcat(w->name, " (", sizeof(w->name));
                if (conn == 0 && color != 0 && color != 15) {
                        strlcat(w->name, HDA_COLORS[color], sizeof(w->name));
                        strlcat(w->name, " ", sizeof(w->name));
                }
                strlcat(w->name, HDA_CONNS[conn], sizeof(w->name));
                strlcat(w->name, ")", sizeof(w->name));
        }
}

struct hdaa_widget *
hdaa_widget_get(struct hdaa_devinfo *devinfo, nid_t nid)
{
        if (devinfo == NULL || devinfo->widget == NULL ||
                    nid < devinfo->startnode || nid >= devinfo->endnode)
                return (NULL);
        return (&devinfo->widget[nid - devinfo->startnode]);
}

static void
hdaa_audio_ctl_amp_set_internal(struct hdaa_devinfo *devinfo, nid_t nid,
                                        int index, int lmute, int rmute,
                                        int left, int right, int dir)
{
        uint16_t v = 0;

        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev,
                    "Setting amplifier nid=%d index=%d %s mute=%d/%d vol=%d/%d\n",
                    nid,index,dir ? "in" : "out",lmute,rmute,left,right);
        );
        if (left != right || lmute != rmute) {
                v = (1 << (15 - dir)) | (1 << 13) | (index << 8) |
                    (lmute << 7) | left;
                hda_command(devinfo->dev,
                    HDA_CMD_SET_AMP_GAIN_MUTE(0, nid, v));
                v = (1 << (15 - dir)) | (1 << 12) | (index << 8) |
                    (rmute << 7) | right;
        } else
                v = (1 << (15 - dir)) | (3 << 12) | (index << 8) |
                    (lmute << 7) | left;

        hda_command(devinfo->dev,
            HDA_CMD_SET_AMP_GAIN_MUTE(0, nid, v));
}

static void
hdaa_audio_ctl_amp_set(struct hdaa_audio_ctl *ctl, uint32_t mute,
                                                int left, int right)
{
        nid_t nid;
        int lmute, rmute;

        nid = ctl->widget->nid;

        /* Save new values if valid. */
        if (mute != HDAA_AMP_MUTE_DEFAULT)
                ctl->muted = mute;
        if (left != HDAA_AMP_VOL_DEFAULT)
                ctl->left = left;
        if (right != HDAA_AMP_VOL_DEFAULT)
                ctl->right = right;
        /* Prepare effective values */
        if (ctl->forcemute) {
                lmute = 1;
                rmute = 1;
                left = 0;
                right = 0;
        } else {
                lmute = HDAA_AMP_LEFT_MUTED(ctl->muted);
                rmute = HDAA_AMP_RIGHT_MUTED(ctl->muted);
                left = ctl->left;
                right = ctl->right;
        }
        /* Apply effective values */
        if (ctl->dir & HDAA_CTL_OUT)
                hdaa_audio_ctl_amp_set_internal(ctl->widget->devinfo, nid, ctl->index,
                    lmute, rmute, left, right, 0);
        if (ctl->dir & HDAA_CTL_IN)
                hdaa_audio_ctl_amp_set_internal(ctl->widget->devinfo, nid, ctl->index,
                    lmute, rmute, left, right, 1);
}

static void
hdaa_widget_connection_select(struct hdaa_widget *w, uint8_t index)
{
        if (w == NULL || w->nconns < 1 || index > (w->nconns - 1))
                return;
        HDA_BOOTHVERBOSE(
                device_printf(w->devinfo->dev,
                    "Setting selector nid=%d index=%d\n", w->nid, index);
        );
        hda_command(w->devinfo->dev,
            HDA_CMD_SET_CONNECTION_SELECT_CONTROL(0, w->nid, index));
        w->selconn = index;
}

/****************************************************************************
 * Device Methods
 ****************************************************************************/

static void *
hdaa_channel_init(kobj_t obj, void *data, struct snd_dbuf *b,
                                        struct pcm_channel *c, int dir)
{
        struct hdaa_chan *ch = data;
        struct hdaa_pcm_devinfo *pdevinfo = ch->pdevinfo;
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;

        hdaa_lock(devinfo);
        if (devinfo->quirks & HDAA_QUIRK_FIXEDRATE) {
                ch->caps.minspeed = ch->caps.maxspeed = 48000;
                ch->pcmrates[0] = 48000;
                ch->pcmrates[1] = 0;
        }
        ch->dir = dir;
        ch->b = b;
        ch->c = c;
        ch->blksz = pdevinfo->chan_size / pdevinfo->chan_blkcnt;
        ch->blkcnt = pdevinfo->chan_blkcnt;
        hdaa_unlock(devinfo);

        if (sndbuf_alloc(ch->b, bus_get_dma_tag(devinfo->dev),
            hda_get_dma_nocache(devinfo->dev) ? BUS_DMA_NOCACHE :
            BUS_DMA_COHERENT,
            pdevinfo->chan_size) != 0)
                return (NULL);

        return (ch);
}

static int
hdaa_channel_setformat(kobj_t obj, void *data, uint32_t format)
{
        struct hdaa_chan *ch = data;
        int i;

        for (i = 0; ch->caps.fmtlist[i] != 0; i++) {
                if (format == ch->caps.fmtlist[i]) {
                        ch->fmt = format;
                        return (0);
                }
        }

        return (EINVAL);
}

static uint32_t
hdaa_channel_setspeed(kobj_t obj, void *data, uint32_t speed)
{
        struct hdaa_chan *ch = data;
        uint32_t spd = 0, threshold;
        int i;

        /* First look for equal or multiple frequency. */
        for (i = 0; ch->pcmrates[i] != 0; i++) {
                spd = ch->pcmrates[i];
                if (speed != 0 && spd / speed * speed == spd) {
                        ch->spd = spd;
                        return (spd);
                }
        }
        /* If no match, just find nearest. */
        for (i = 0; ch->pcmrates[i] != 0; i++) {
                spd = ch->pcmrates[i];
                threshold = spd + ((ch->pcmrates[i + 1] != 0) ?
                    ((ch->pcmrates[i + 1] - spd) >> 1) : 0);
                if (speed < threshold)
                        break;
        }
        ch->spd = spd;
        return (spd);
}

static uint16_t
hdaa_stream_format(struct hdaa_chan *ch)
{
        int i;
        uint16_t fmt;

        fmt = 0;
        if (ch->fmt & AFMT_S16_LE)
                fmt |= ch->bit16 << 4;
        else if (ch->fmt & AFMT_S32_LE)
                fmt |= ch->bit32 << 4;
        else
                fmt |= 1 << 4;
        for (i = 0; i < HDA_RATE_TAB_LEN; i++) {
                if (hda_rate_tab[i].valid && ch->spd == hda_rate_tab[i].rate) {
                        fmt |= hda_rate_tab[i].base;
                        fmt |= hda_rate_tab[i].mul;
                        fmt |= hda_rate_tab[i].div;
                        break;
                }
        }
        fmt |= (AFMT_CHANNEL(ch->fmt) - 1);

        return (fmt);
}

static int
hdaa_allowed_stripes(uint16_t fmt)
{
        static const int bits[8] = { 8, 16, 20, 24, 32, 32, 32, 32 };
        int size;

        size = bits[(fmt >> 4) & 0x03];
        size *= (fmt & 0x0f) + 1;
        size *= ((fmt >> 11) & 0x07) + 1;
        return (0xffffffffU >> (32 - fls(size / 8)));
}

static void
hdaa_audio_setup(struct hdaa_chan *ch)
{
        struct hdaa_audio_as *as = &ch->devinfo->as[ch->as];
        struct hdaa_widget *w, *wp;
        int i, j, k, chn, cchn, totalchn, totalextchn, c;
        uint16_t fmt, dfmt;
        /* Mapping channel pairs to codec pins/converters. */
        const static uint16_t convmap[2][5] =
            /*  1.0     2.0     4.0     5.1     7.1  */
            {{ 0x0010, 0x0001, 0x0201, 0x0231, 0x4231 },        /* no dup. */
             { 0x0010, 0x0001, 0x2201, 0x2231, 0x4231 }};       /* side dup. */
        /* Mapping formats to HDMI channel allocations. */
        const static uint8_t hdmica[2][8] =
            /*  1     2     3     4     5     6     7     8  */
            {{ 0x02, 0x00, 0x04, 0x08, 0x0a, 0x0e, 0x12, 0x12 }, /* x.0 */
             { 0x01, 0x03, 0x01, 0x03, 0x09, 0x0b, 0x0f, 0x13 }}; /* x.1 */
        /* Mapping formats to HDMI channels order. */
        const static uint32_t hdmich[2][8] =
            /*  1  /  5     2  /  6     3  /  7     4  /  8  */
            {{ 0xFFFF0F00, 0xFFFFFF10, 0xFFF2FF10, 0xFF32FF10,
               0xFF324F10, 0xF5324F10, 0x54326F10, 0x54326F10 }, /* x.0 */
             { 0xFFFFF000, 0xFFFF0100, 0xFFFFF210, 0xFFFF2310,
               0xFF32F410, 0xFF324510, 0xF6324510, 0x76325410 }}; /* x.1 */
        int convmapid = -1;
        nid_t nid;
        uint8_t csum;

        totalchn = AFMT_CHANNEL(ch->fmt);
        totalextchn = AFMT_EXTCHANNEL(ch->fmt);
        HDA_BOOTHVERBOSE(
                device_printf(ch->pdevinfo->dev,
                    "PCMDIR_%s: Stream setup fmt=%08x (%d.%d) speed=%d\n",
                    (ch->dir == PCMDIR_PLAY) ? "PLAY" : "REC",
                    ch->fmt, totalchn - totalextchn, totalextchn, ch->spd);
        );
        fmt = hdaa_stream_format(ch);

        /* Set channels to I/O converters mapping for known speaker setups. */
        if ((as->pinset == 0x0007 || as->pinset == 0x0013) || /* Standard 5.1 */
            (as->pinset == 0x0017)) /* Standard 7.1 */
                convmapid = (ch->dir == PCMDIR_PLAY);

        dfmt = HDA_CMD_SET_DIGITAL_CONV_FMT1_DIGEN;
        if (ch->fmt & AFMT_AC3)
                dfmt |= HDA_CMD_SET_DIGITAL_CONV_FMT1_NAUDIO;

        chn = 0;
        for (i = 0; ch->io[i] != -1; i++) {
                w = hdaa_widget_get(ch->devinfo, ch->io[i]);
                if (w == NULL)
                        continue;

                /* If HP redirection is enabled, but failed to use same
                   DAC, make last DAC to duplicate first one. */
                if (as->fakeredir && i == (as->pincnt - 1)) {
                        c = (ch->sid << 4);
                } else {
                        /* Map channels to I/O converters, if set. */
                        if (convmapid >= 0)
                                chn = (((convmap[convmapid][totalchn / 2]
                                    >> i * 4) & 0xf) - 1) * 2;
                        if (chn < 0 || chn >= totalchn) {
                                c = 0;
                        } else {
                                c = (ch->sid << 4) | chn;
                        }
                }
                hda_command(ch->devinfo->dev,
                    HDA_CMD_SET_CONV_FMT(0, ch->io[i], fmt));
                if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap)) {
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_DIGITAL_CONV_FMT1(0, ch->io[i], dfmt));
                }
                hda_command(ch->devinfo->dev,
                    HDA_CMD_SET_CONV_STREAM_CHAN(0, ch->io[i], c));
                if (HDA_PARAM_AUDIO_WIDGET_CAP_STRIPE(w->param.widget_cap)) {
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_STRIPE_CONTROL(0, w->nid, ch->stripectl));
                }
                cchn = HDA_PARAM_AUDIO_WIDGET_CAP_CC(w->param.widget_cap);
                if (cchn > 1 && chn < totalchn) {
                        cchn = min(cchn, totalchn - chn - 1);
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_CONV_CHAN_COUNT(0, ch->io[i], cchn));
                }
                HDA_BOOTHVERBOSE(
                        device_printf(ch->pdevinfo->dev,
                            "PCMDIR_%s: Stream setup nid=%d: "
                            "fmt=0x%04x, dfmt=0x%04x, chan=0x%04x, "
                            "chan_count=0x%02x, stripe=%d\n",
                            (ch->dir == PCMDIR_PLAY) ? "PLAY" : "REC",
                            ch->io[i], fmt, dfmt, c, cchn, ch->stripectl);
                );
                for (j = 0; j < 16; j++) {
                        if (as->dacs[ch->asindex][j] != ch->io[i])
                                continue;
                        nid = as->pins[j];
                        wp = hdaa_widget_get(ch->devinfo, nid);
                        if (wp == NULL)
                                continue;
                        if (!HDA_PARAM_PIN_CAP_DP(wp->wclass.pin.cap) &&
                            !HDA_PARAM_PIN_CAP_HDMI(wp->wclass.pin.cap))
                                continue;

                        /* Set channel mapping. */
                        for (k = 0; k < 8; k++) {
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_CHAN_SLOT(0, nid,
                                    (((hdmich[totalextchn == 0 ? 0 : 1][totalchn - 1]
                                     >> (k * 4)) & 0xf) << 4) | k));
                        }

                        /*
                         * Enable High Bit Rate (HBR) Encoded Packet Type
                         * (EPT), if supported and needed (8ch data).
                         */
                        if (HDA_PARAM_PIN_CAP_HDMI(wp->wclass.pin.cap) &&
                            HDA_PARAM_PIN_CAP_HBR(wp->wclass.pin.cap)) {
                                wp->wclass.pin.ctrl &=
                                    ~HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK;
                                if ((ch->fmt & AFMT_AC3) && (cchn == 7))
                                        wp->wclass.pin.ctrl |= 0x03;
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_PIN_WIDGET_CTRL(0, nid,
                                    wp->wclass.pin.ctrl));
                        }

                        /* Stop audio infoframe transmission. */
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_INDEX(0, nid, 0x00));
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_XMIT(0, nid, 0x00));

                        /* Clear audio infoframe buffer. */
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_INDEX(0, nid, 0x00));
                        for (k = 0; k < 32; k++)
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x00));

                        /* Write HDMI/DisplayPort audio infoframe. */
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_INDEX(0, nid, 0x00));
                        if (w->eld != NULL && w->eld_len >= 6 &&
                            ((w->eld[5] >> 2) & 0x3) == 1) { /* DisplayPort */
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x84));
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x1b));
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x44));
                        } else {        /* HDMI */
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x84));
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x01));
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x0a));
                                csum = 0;
                                csum -= 0x84 + 0x01 + 0x0a + (totalchn - 1) +
                                    hdmica[totalextchn == 0 ? 0 : 1][totalchn - 1];
                                hda_command(ch->devinfo->dev,
                                    HDA_CMD_SET_HDMI_DIP_DATA(0, nid, csum));
                        }
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_DATA(0, nid, totalchn - 1));
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x00));
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_DATA(0, nid, 0x00));
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_DATA(0, nid,
                            hdmica[totalextchn == 0 ? 0 : 1][totalchn - 1]));

                        /* Start audio infoframe transmission. */
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_INDEX(0, nid, 0x00));
                        hda_command(ch->devinfo->dev,
                            HDA_CMD_SET_HDMI_DIP_XMIT(0, nid, 0xc0));
                }
                chn += cchn + 1;
        }
}

/*
 * Greatest Common Divisor.
 */
static unsigned
gcd(unsigned a, unsigned b)
{
        u_int c;

        while (b != 0) {
                c = a;
                a = b;
                b = (c % b);
        }
        return (a);
}

/*
 * Least Common Multiple.
 */
static unsigned
lcm(unsigned a, unsigned b)
{

        return ((a * b) / gcd(a, b));
}

static int
hdaa_channel_setfragments(kobj_t obj, void *data,
                                        uint32_t blksz, uint32_t blkcnt)
{
        struct hdaa_chan *ch = data;

        blksz -= blksz % lcm(HDA_DMA_ALIGNMENT, ch->b->align);

        if (blksz > (ch->b->maxsize / HDA_BDL_MIN))
                blksz = ch->b->maxsize / HDA_BDL_MIN;
        if (blksz < HDA_BLK_MIN)
                blksz = HDA_BLK_MIN;
        if (blkcnt > HDA_BDL_MAX)
                blkcnt = HDA_BDL_MAX;
        if (blkcnt < HDA_BDL_MIN)
                blkcnt = HDA_BDL_MIN;

        while ((blksz * blkcnt) > ch->b->maxsize) {
                if ((blkcnt >> 1) >= HDA_BDL_MIN)
                        blkcnt >>= 1;
                else if ((blksz >> 1) >= HDA_BLK_MIN)
                        blksz >>= 1;
                else
                        break;
        }

        if ((ch->b->blksz != blksz ||
            ch->b->blkcnt != blkcnt) &&
            sndbuf_resize(ch->b, blkcnt, blksz) != 0)
                device_printf(ch->devinfo->dev, "%s: failed blksz=%u blkcnt=%u\n",
                    __func__, blksz, blkcnt);

        ch->blksz = ch->b->blksz;
        ch->blkcnt = ch->b->blkcnt;

        return (0);
}

static uint32_t
hdaa_channel_setblocksize(kobj_t obj, void *data, uint32_t blksz)
{
        struct hdaa_chan *ch = data;

        hdaa_channel_setfragments(obj, data, blksz, ch->pdevinfo->chan_blkcnt);

        return (ch->blksz);
}

static void
hdaa_channel_stop(struct hdaa_chan *ch)
{
        struct hdaa_devinfo *devinfo = ch->devinfo;
        struct hdaa_widget *w;
        int i;

        if ((ch->flags & HDAA_CHN_RUNNING) == 0)
                return;
        ch->flags &= ~HDAA_CHN_RUNNING;
        HDAC_STREAM_STOP(device_get_parent(devinfo->dev), devinfo->dev,
            ch->dir == PCMDIR_PLAY ? 1 : 0, ch->sid);
        for (i = 0; ch->io[i] != -1; i++) {
                w = hdaa_widget_get(ch->devinfo, ch->io[i]);
                if (w == NULL)
                        continue;
                if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap)) {
                        hda_command(devinfo->dev,
                            HDA_CMD_SET_DIGITAL_CONV_FMT1(0, ch->io[i], 0));
                }
                hda_command(devinfo->dev,
                    HDA_CMD_SET_CONV_STREAM_CHAN(0, ch->io[i],
                    0));
        }
        HDAC_STREAM_FREE(device_get_parent(devinfo->dev), devinfo->dev,
            ch->dir == PCMDIR_PLAY ? 1 : 0, ch->sid);
}

static int
hdaa_channel_start(struct hdaa_chan *ch)
{
        struct hdaa_devinfo *devinfo = ch->devinfo;
        uint32_t fmt;

        fmt = hdaa_stream_format(ch);
        ch->stripectl = fls(ch->stripecap & hdaa_allowed_stripes(fmt) &
            hda_get_stripes_mask(devinfo->dev)) - 1;
        ch->sid = HDAC_STREAM_ALLOC(device_get_parent(devinfo->dev), devinfo->dev,
            ch->dir == PCMDIR_PLAY ? 1 : 0, fmt, ch->stripectl, &ch->dmapos);
        if (ch->sid <= 0)
                return (EBUSY);
        hdaa_audio_setup(ch);
        HDAC_STREAM_RESET(device_get_parent(devinfo->dev), devinfo->dev,
            ch->dir == PCMDIR_PLAY ? 1 : 0, ch->sid);
        HDAC_STREAM_START(device_get_parent(devinfo->dev), devinfo->dev,
            ch->dir == PCMDIR_PLAY ? 1 : 0, ch->sid,
            ch->b->buf_addr, ch->blksz, ch->blkcnt);
        ch->flags |= HDAA_CHN_RUNNING;
        return (0);
}

static int
hdaa_channel_trigger(kobj_t obj, void *data, int go)
{
        struct hdaa_chan *ch = data;
        int error = 0;

        if (!PCMTRIG_COMMON(go))
                return (0);

        hdaa_lock(ch->devinfo);
        switch (go) {
        case PCMTRIG_START:
                error = hdaa_channel_start(ch);
                break;
        case PCMTRIG_STOP:
        case PCMTRIG_ABORT:
                hdaa_channel_stop(ch);
                break;
        default:
                break;
        }
        hdaa_unlock(ch->devinfo);

        return (error);
}

static uint32_t
hdaa_channel_getptr(kobj_t obj, void *data)
{
        struct hdaa_chan *ch = data;
        struct hdaa_devinfo *devinfo = ch->devinfo;
        uint32_t ptr;

        hdaa_lock(devinfo);
        if (ch->dmapos != NULL) {
                ptr = *(ch->dmapos);
        } else {
                ptr = HDAC_STREAM_GETPTR(
                    device_get_parent(devinfo->dev), devinfo->dev,
                    ch->dir == PCMDIR_PLAY ? 1 : 0, ch->sid);
        }
        hdaa_unlock(devinfo);

        /*
         * Round to available space and force 128 bytes alignment.
         */
        ptr %= ch->blksz * ch->blkcnt;
        ptr &= HDA_BLK_ALIGN;

        return (ptr);
}

static struct pcmchan_caps *
hdaa_channel_getcaps(kobj_t obj, void *data)
{
        return (&((struct hdaa_chan *)data)->caps);
}

static kobj_method_t hdaa_channel_methods[] = {
        KOBJMETHOD(channel_init,                hdaa_channel_init),
        KOBJMETHOD(channel_setformat,           hdaa_channel_setformat),
        KOBJMETHOD(channel_setspeed,            hdaa_channel_setspeed),
        KOBJMETHOD(channel_setblocksize,        hdaa_channel_setblocksize),
        KOBJMETHOD(channel_setfragments,        hdaa_channel_setfragments),
        KOBJMETHOD(channel_trigger,             hdaa_channel_trigger),
        KOBJMETHOD(channel_getptr,              hdaa_channel_getptr),
        KOBJMETHOD(channel_getcaps,             hdaa_channel_getcaps),
        KOBJMETHOD_END
};
CHANNEL_DECLARE(hdaa_channel);

static int
hdaa_audio_ctl_ossmixer_init(struct snd_mixer *m)
{
        struct hdaa_pcm_devinfo *pdevinfo = mix_getdevinfo(m);
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w, *cw;
        uint32_t mask, recmask;
        int i, j;

        hdaa_lock(devinfo);
        pdevinfo->mixer = m;

        /* Make sure that in case of soft volume it won't stay muted. */
        for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
                pdevinfo->left[i] = 100;
                pdevinfo->right[i] = 100;
        }

        /* Declare volume controls assigned to this association. */
        mask = pdevinfo->ossmask;
        if (pdevinfo->playas >= 0) {
                /* Declate EAPD as ogain control. */
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        w = hdaa_widget_get(devinfo, i);
                        if (w == NULL || w->enable == 0)
                                continue;
                        if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX ||
                            w->param.eapdbtl == HDA_INVALID ||
                            w->bindas != pdevinfo->playas)
                                continue;
                        mask |= SOUND_MASK_OGAIN;
                        break;
                }

                /* Declare soft PCM volume if needed. */
                if ((mask & SOUND_MASK_PCM) == 0 ||
                    (devinfo->quirks & HDAA_QUIRK_SOFTPCMVOL) ||
                    pdevinfo->minamp[SOUND_MIXER_PCM] ==
                     pdevinfo->maxamp[SOUND_MIXER_PCM]) {
                        mask |= SOUND_MASK_PCM;
                        pcm_setflags(pdevinfo->dev, pcm_getflags(pdevinfo->dev) | SD_F_SOFTPCMVOL);
                        HDA_BOOTHVERBOSE(
                                device_printf(pdevinfo->dev,
                                    "Forcing Soft PCM volume\n");
                        );
                }

                /* Declare master volume if needed. */
                if ((mask & SOUND_MASK_VOLUME) == 0) {
                        mask |= SOUND_MASK_VOLUME;
                        mix_setparentchild(m, SOUND_MIXER_VOLUME,
                            SOUND_MASK_PCM);
                        mix_setrealdev(m, SOUND_MIXER_VOLUME,
                            SOUND_MIXER_NONE);
                        HDA_BOOTHVERBOSE(
                                device_printf(pdevinfo->dev,
                                    "Forcing master volume with PCM\n");
                        );
                }
        }

        /* Declare record sources available to this association. */
        recmask = 0;
        if (pdevinfo->recas >= 0) {
                for (i = 0; i < 16; i++) {
                        if (devinfo->as[pdevinfo->recas].dacs[0][i] < 0)
                                continue;
                        w = hdaa_widget_get(devinfo,
                            devinfo->as[pdevinfo->recas].dacs[0][i]);
                        if (w == NULL || w->enable == 0)
                                continue;
                        for (j = 0; j < w->nconns; j++) {
                                if (w->connsenable[j] == 0)
                                        continue;
                                cw = hdaa_widget_get(devinfo, w->conns[j]);
                                if (cw == NULL || cw->enable == 0)
                                        continue;
                                if (cw->bindas != pdevinfo->recas &&
                                    cw->bindas != -2)
                                        continue;
                                recmask |= cw->ossmask;
                        }
                }
        }

        recmask &= (1 << SOUND_MIXER_NRDEVICES) - 1;
        mask &= (1 << SOUND_MIXER_NRDEVICES) - 1;
        pdevinfo->ossmask = mask;

        mix_setrecdevs(m, recmask);
        mix_setdevs(m, mask);

        hdaa_unlock(devinfo);

        return (0);
}

/*
 * Update amplification per pdevinfo per ossdev, calculate summary coefficient
 * and write it to codec, update *left and *right to reflect remaining error.
 */
static void
hdaa_audio_ctl_dev_set(struct hdaa_audio_ctl *ctl, int ossdev,
    int mute, int *left, int *right)
{
        int i, zleft, zright, sleft, sright, smute, lval, rval;

        ctl->devleft[ossdev] = *left;
        ctl->devright[ossdev] = *right;
        ctl->devmute[ossdev] = mute;
        smute = sleft = sright = zleft = zright = 0;
        for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
                sleft += ctl->devleft[i];
                sright += ctl->devright[i];
                smute |= ctl->devmute[i];
                if (i == ossdev)
                        continue;
                zleft += ctl->devleft[i];
                zright += ctl->devright[i];
        }
        lval = QDB2VAL(ctl, sleft);
        rval = QDB2VAL(ctl, sright);
        hdaa_audio_ctl_amp_set(ctl, smute, lval, rval);
        *left -= VAL2QDB(ctl, lval) - VAL2QDB(ctl, QDB2VAL(ctl, zleft));
        *right -= VAL2QDB(ctl, rval) - VAL2QDB(ctl, QDB2VAL(ctl, zright));
}

/*
 * Trace signal from source, setting volumes on the way.
 */
static void
hdaa_audio_ctl_source_volume(struct hdaa_pcm_devinfo *pdevinfo,
    int ossdev, nid_t nid, int index, int mute, int left, int right, int depth)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w, *wc;
        struct hdaa_audio_ctl *ctl;
        int i, j, conns = 0;

        if (depth > HDA_PARSE_MAXDEPTH)
                return;

        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return;

        /* Count number of active inputs. */
        if (depth > 0) {
                for (j = 0; j < w->nconns; j++) {
                        if (!w->connsenable[j])
                                continue;
                        conns++;
                }
        }

        /* If this is not a first step - use input mixer.
           Pins have common input ctl so care must be taken. */
        if (depth > 0 && (conns == 1 ||
            w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)) {
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid, HDAA_CTL_IN,
                    index, 1);
                if (ctl)
                        hdaa_audio_ctl_dev_set(ctl, ossdev, mute, &left, &right);
        }

        /* If widget has own ossdev - not traverse it.
           It will be traversed on its own. */
        if (w->ossdev >= 0 && depth > 0)
                return;

        /* We must not traverse pin */
        if ((w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT ||
            w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX) &&
            depth > 0)
                return;

        /*
         * If signals mixed, we can't assign controls farther.
         * Ignore this on depth zero. Caller must knows why.
         */
        if (conns > 1 &&
            (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER ||
             w->selconn != index))
                return;

        ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid, HDAA_CTL_OUT, -1, 1);
        if (ctl)
                hdaa_audio_ctl_dev_set(ctl, ossdev, mute, &left, &right);

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                wc = hdaa_widget_get(devinfo, i);
                if (wc == NULL || wc->enable == 0)
                        continue;
                for (j = 0; j < wc->nconns; j++) {
                        if (wc->connsenable[j] && wc->conns[j] == nid) {
                                hdaa_audio_ctl_source_volume(pdevinfo, ossdev,
                                    wc->nid, j, mute, left, right, depth + 1);
                        }
                }
        }
        return;
}

/*
 * Trace signal from destination, setting volumes on the way.
 */
static void
hdaa_audio_ctl_dest_volume(struct hdaa_pcm_devinfo *pdevinfo,
    int ossdev, nid_t nid, int index, int mute, int left, int right, int depth)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w, *wc;
        struct hdaa_audio_ctl *ctl;
        int i, j, consumers, cleft, cright;

        if (depth > HDA_PARSE_MAXDEPTH)
                return;

        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return;

        if (depth > 0) {
                /* If this node produce output for several consumers,
                   we can't touch it. */
                consumers = 0;
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        wc = hdaa_widget_get(devinfo, i);
                        if (wc == NULL || wc->enable == 0)
                                continue;
                        for (j = 0; j < wc->nconns; j++) {
                                if (wc->connsenable[j] && wc->conns[j] == nid)
                                        consumers++;
                        }
                }
                /* The only exception is if real HP redirection is configured
                   and this is a duplication point.
                   XXX: Actually exception is not completely correct.
                   XXX: Duplication point check is not perfect. */
                if ((consumers == 2 && (w->bindas < 0 ||
                    as[w->bindas].hpredir < 0 || as[w->bindas].fakeredir ||
                    (w->bindseqmask & (1 << 15)) == 0)) ||
                    consumers > 2)
                        return;

                /* Else use it's output mixer. */
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid,
                    HDAA_CTL_OUT, -1, 1);
                if (ctl)
                        hdaa_audio_ctl_dev_set(ctl, ossdev, mute, &left, &right);
        }

        /* We must not traverse pin */
        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
            depth > 0)
                return;

        for (i = 0; i < w->nconns; i++) {
                if (w->connsenable[i] == 0)
                        continue;
                if (index >= 0 && i != index)
                        continue;
                cleft = left;
                cright = right;
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid,
                    HDAA_CTL_IN, i, 1);
                if (ctl)
                        hdaa_audio_ctl_dev_set(ctl, ossdev, mute, &cleft, &cright);
                hdaa_audio_ctl_dest_volume(pdevinfo, ossdev, w->conns[i], -1,
                    mute, cleft, cright, depth + 1);
        }
}

/*
 * Set volumes for the specified pdevinfo and ossdev.
 */
static void
hdaa_audio_ctl_dev_volume(struct hdaa_pcm_devinfo *pdevinfo, unsigned dev)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w, *cw;
        uint32_t mute;
        int lvol, rvol;
        int i, j;

        mute = 0;
        if (pdevinfo->left[dev] == 0) {
                mute |= HDAA_AMP_MUTE_LEFT;
                lvol = -4000;
        } else
                lvol = ((pdevinfo->maxamp[dev] - pdevinfo->minamp[dev]) *
                    pdevinfo->left[dev] + 50) / 100 + pdevinfo->minamp[dev];
        if (pdevinfo->right[dev] == 0) {
                mute |= HDAA_AMP_MUTE_RIGHT;
                rvol = -4000;
        } else
                rvol = ((pdevinfo->maxamp[dev] - pdevinfo->minamp[dev]) *
                    pdevinfo->right[dev] + 50) / 100 + pdevinfo->minamp[dev];
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->bindas < 0) {
                        if (pdevinfo->index != 0)
                                continue;
                } else {
                        if (w->bindas != pdevinfo->playas &&
                            w->bindas != pdevinfo->recas)
                                continue;
                }
                if (dev == SOUND_MIXER_RECLEV &&
                    w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT) {
                        hdaa_audio_ctl_dest_volume(pdevinfo, dev,
                            w->nid, -1, mute, lvol, rvol, 0);
                        continue;
                }
                if (dev == SOUND_MIXER_VOLUME &&
                    w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
                    devinfo->as[w->bindas].dir == HDAA_CTL_OUT) {
                        hdaa_audio_ctl_dest_volume(pdevinfo, dev,
                            w->nid, -1, mute, lvol, rvol, 0);
                        continue;
                }
                if (dev == SOUND_MIXER_IGAIN &&
                    w->pflags & HDAA_ADC_MONITOR) {
                        for (j = 0; j < w->nconns; j++) {
                                if (!w->connsenable[j])
                                    continue;
                                cw = hdaa_widget_get(devinfo, w->conns[j]);
                                if (cw == NULL || cw->enable == 0)
                                    continue;
                                if (cw->bindas == -1)
                                    continue;
                                if (cw->bindas >= 0 &&
                                    devinfo->as[cw->bindas].dir != HDAA_CTL_IN)
                                        continue;
                                hdaa_audio_ctl_dest_volume(pdevinfo, dev,
                                    w->nid, j, mute, lvol, rvol, 0);
                        }
                        continue;
                }
                if (w->ossdev != dev)
                        continue;
                hdaa_audio_ctl_source_volume(pdevinfo, dev,
                    w->nid, -1, mute, lvol, rvol, 0);
                if (dev == SOUND_MIXER_IMIX && (w->pflags & HDAA_IMIX_AS_DST))
                        hdaa_audio_ctl_dest_volume(pdevinfo, dev,
                            w->nid, -1, mute, lvol, rvol, 0);
        }
}

/*
 * OSS Mixer set method.
 */
static int
hdaa_audio_ctl_ossmixer_set(struct snd_mixer *m, unsigned dev,
                                        unsigned left, unsigned right)
{
        struct hdaa_pcm_devinfo *pdevinfo = mix_getdevinfo(m);
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w;
        int i;

        hdaa_lock(devinfo);

        /* Save new values. */
        pdevinfo->left[dev] = left;
        pdevinfo->right[dev] = right;

        /* 'ogain' is the special case implemented with EAPD. */
        if (dev == SOUND_MIXER_OGAIN) {
                uint32_t orig;
                w = NULL;
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        w = hdaa_widget_get(devinfo, i);
                        if (w == NULL || w->enable == 0)
                                continue;
                        if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX ||
                            w->param.eapdbtl == HDA_INVALID)
                                continue;
                        break;
                }
                if (i >= devinfo->endnode) {
                        hdaa_unlock(devinfo);
                        return (-1);
                }
                orig = w->param.eapdbtl;
                if (left == 0)
                        w->param.eapdbtl &= ~HDA_CMD_SET_EAPD_BTL_ENABLE_EAPD;
                else
                        w->param.eapdbtl |= HDA_CMD_SET_EAPD_BTL_ENABLE_EAPD;
                if (orig != w->param.eapdbtl) {
                        uint32_t val;

                        val = w->param.eapdbtl;
                        if (devinfo->quirks & HDAA_QUIRK_EAPDINV)
                                val ^= HDA_CMD_SET_EAPD_BTL_ENABLE_EAPD;
                        hda_command(devinfo->dev,
                            HDA_CMD_SET_EAPD_BTL_ENABLE(0, w->nid, val));
                }
                hdaa_unlock(devinfo);
                return (left | (left << 8));
        }

        /* Recalculate all controls related to this OSS device. */
        hdaa_audio_ctl_dev_volume(pdevinfo, dev);

        hdaa_unlock(devinfo);
        return (left | (right << 8));
}

/*
 * Set mixer settings to our own default values:
 * +20dB for mics, -10dB for analog vol, mute for igain, 0dB for others.
 */
static void
hdaa_audio_ctl_set_defaults(struct hdaa_pcm_devinfo *pdevinfo)
{
        int amp, vol, dev;

        for (dev = 0; dev < SOUND_MIXER_NRDEVICES; dev++) {
                if ((pdevinfo->ossmask & (1 << dev)) == 0)
                        continue;

                /* If the value was overridden, leave it as is. */
                if (resource_int_value(device_get_name(pdevinfo->dev),
                    device_get_unit(pdevinfo->dev), ossnames[dev], &vol) == 0)
                        continue;

                vol = -1;
                if (dev == SOUND_MIXER_OGAIN)
                        vol = 100;
                else if (dev == SOUND_MIXER_IGAIN)
                        vol = 0;
                else if (dev == SOUND_MIXER_MIC ||
                    dev == SOUND_MIXER_MONITOR)
                        amp = 20 * 4;   /* +20dB */
                else if (dev == SOUND_MIXER_VOLUME && !pdevinfo->digital)
                        amp = -10 * 4;  /* -10dB */
                else
                        amp = 0;
                if (vol < 0 &&
                    (pdevinfo->maxamp[dev] - pdevinfo->minamp[dev]) <= 0) {
                        vol = 100;
                } else if (vol < 0) {
                        vol = ((amp - pdevinfo->minamp[dev]) * 100 +
                            (pdevinfo->maxamp[dev] - pdevinfo->minamp[dev]) / 2) /
                            (pdevinfo->maxamp[dev] - pdevinfo->minamp[dev]);
                        vol = imin(imax(vol, 1), 100);
                }
                mix_set(pdevinfo->mixer, dev, vol, vol);
        }
}

/*
 * Recursively commutate specified record source.
 */
static uint32_t
hdaa_audio_ctl_recsel_comm(struct hdaa_pcm_devinfo *pdevinfo, uint32_t src, nid_t nid, int depth)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w, *cw;
        struct hdaa_audio_ctl *ctl;
        char buf[64];
        int i, muted;
        uint32_t res = 0;

        if (depth > HDA_PARSE_MAXDEPTH)
                return (0);

        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return (0);

        for (i = 0; i < w->nconns; i++) {
                if (w->connsenable[i] == 0)
                        continue;
                cw = hdaa_widget_get(devinfo, w->conns[i]);
                if (cw == NULL || cw->enable == 0 || cw->bindas == -1)
                        continue;
                /* Call recursively to trace signal to it's source if needed. */
                if ((src & cw->ossmask) != 0) {
                        if (cw->ossdev < 0) {
                                res |= hdaa_audio_ctl_recsel_comm(pdevinfo, src,
                                    w->conns[i], depth + 1);
                        } else {
                                res |= cw->ossmask;
                        }
                }
                /* We have two special cases: mixers and others (selectors). */
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER) {
                        ctl = hdaa_audio_ctl_amp_get(devinfo,
                            w->nid, HDAA_CTL_IN, i, 1);
                        if (ctl == NULL)
                                continue;
                        /* If we have input control on this node mute them
                         * according to requested sources. */
                        muted = (src & cw->ossmask) ? 0 : 1;
                        if (muted != ctl->forcemute) {
                                ctl->forcemute = muted;
                                hdaa_audio_ctl_amp_set(ctl,
                                    HDAA_AMP_MUTE_DEFAULT,
                                    HDAA_AMP_VOL_DEFAULT, HDAA_AMP_VOL_DEFAULT);
                        }
                        HDA_BOOTHVERBOSE(
                                device_printf(pdevinfo->dev,
                                    "Recsel (%s): nid %d source %d %s\n",
                                    hdaa_audio_ctl_ossmixer_mask2allname(
                                    src, buf, sizeof(buf)),
                                    nid, i, muted?"mute":"unmute");
                        );
                } else {
                        if (w->nconns == 1)
                                break;
                        if ((src & cw->ossmask) == 0)
                                continue;
                        /* If we found requested source - select it and exit. */
                        hdaa_widget_connection_select(w, i);
                        HDA_BOOTHVERBOSE(
                                device_printf(pdevinfo->dev,
                                    "Recsel (%s): nid %d source %d select\n",
                                    hdaa_audio_ctl_ossmixer_mask2allname(
                                    src, buf, sizeof(buf)),
                                    nid, i);
                        );
                        break;
                }
        }
        return (res);
}

static uint32_t
hdaa_audio_ctl_ossmixer_setrecsrc(struct snd_mixer *m, uint32_t src)
{
        struct hdaa_pcm_devinfo *pdevinfo = mix_getdevinfo(m);
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w;
        struct hdaa_audio_as *as;
        struct hdaa_audio_ctl *ctl;
        struct hdaa_chan *ch;
        int i, j;
        uint32_t ret = 0xffffffff;

        hdaa_lock(devinfo);
        if (pdevinfo->recas < 0) {
                hdaa_unlock(devinfo);
                return (0);
        }
        as = &devinfo->as[pdevinfo->recas];

        /* For non-mixed associations we always recording everything. */
        if (!as->mixed) {
                hdaa_unlock(devinfo);
                return (mix_getrecdevs(m));
        }

        /* Commutate requested recsrc for each ADC. */
        for (j = 0; j < as->num_chans; j++) {
                ch = &devinfo->chans[as->chans[j]];
                for (i = 0; ch->io[i] >= 0; i++) {
                        w = hdaa_widget_get(devinfo, ch->io[i]);
                        if (w == NULL || w->enable == 0)
                                continue;
                        ret &= hdaa_audio_ctl_recsel_comm(pdevinfo, src,
                            ch->io[i], 0);
                }
        }
        if (ret == 0xffffffff)
                ret = 0;

        /*
         * Some controls could be shared. Reset volumes for controls
         * related to previously chosen devices, as they may no longer
         * affect the signal.
         */
        i = 0;
        while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                if (ctl->enable == 0 ||
                    !(ctl->ossmask & pdevinfo->recsrc))
                        continue;
                if (!((pdevinfo->playas >= 0 &&
                    ctl->widget->bindas == pdevinfo->playas) ||
                    (pdevinfo->recas >= 0 &&
                    ctl->widget->bindas == pdevinfo->recas) ||
                    (pdevinfo->index == 0 &&
                    ctl->widget->bindas == -2)))
                        continue;
                for (j = 0; j < SOUND_MIXER_NRDEVICES; j++) {
                        if (pdevinfo->recsrc & (1 << j)) {
                                ctl->devleft[j] = 0;
                                ctl->devright[j] = 0;
                                ctl->devmute[j] = 0;
                        }
                }
        }

        /*
         * Some controls could be shared. Set volumes for controls
         * related to devices selected both previously and now.
         */
        for (j = 0; j < SOUND_MIXER_NRDEVICES; j++) {
                if ((ret | pdevinfo->recsrc) & (1 << j))
                        hdaa_audio_ctl_dev_volume(pdevinfo, j);
        }

        pdevinfo->recsrc = ret;
        hdaa_unlock(devinfo);
        return (ret);
}

static kobj_method_t hdaa_audio_ctl_ossmixer_methods[] = {
        KOBJMETHOD(mixer_init,          hdaa_audio_ctl_ossmixer_init),
        KOBJMETHOD(mixer_set,           hdaa_audio_ctl_ossmixer_set),
        KOBJMETHOD(mixer_setrecsrc,     hdaa_audio_ctl_ossmixer_setrecsrc),
        KOBJMETHOD_END
};
MIXER_DECLARE(hdaa_audio_ctl_ossmixer);

static void
hdaa_dump_gpi(struct hdaa_devinfo *devinfo)
{
        device_t dev = devinfo->dev;
        int i;
        uint32_t data, wake, unsol, sticky;

        if (HDA_PARAM_GPIO_COUNT_NUM_GPI(devinfo->gpio_cap) > 0) {
                data = hda_command(dev,
                    HDA_CMD_GET_GPI_DATA(0, devinfo->nid));
                wake = hda_command(dev,
                    HDA_CMD_GET_GPI_WAKE_ENABLE_MASK(0, devinfo->nid));
                unsol = hda_command(dev,
                    HDA_CMD_GET_GPI_UNSOLICITED_ENABLE_MASK(0, devinfo->nid));
                sticky = hda_command(dev,
                    HDA_CMD_GET_GPI_STICKY_MASK(0, devinfo->nid));
                for (i = 0; i < HDA_PARAM_GPIO_COUNT_NUM_GPI(devinfo->gpio_cap); i++) {
                        device_printf(dev, " GPI%d:%s%s%s state=%d", i,
                                    (sticky & (1 << i)) ? " sticky" : "",
                                    (unsol & (1 << i)) ? " unsol" : "",
                                    (wake & (1 << i)) ? " wake" : "",
                                    (data >> i) & 1);
                }
        }
}

static void
hdaa_dump_gpio(struct hdaa_devinfo *devinfo)
{
        device_t dev = devinfo->dev;
        int i;
        uint32_t data, dir, enable, wake, unsol, sticky;

        if (HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap) > 0) {
                data = hda_command(dev,
                    HDA_CMD_GET_GPIO_DATA(0, devinfo->nid));
                enable = hda_command(dev,
                    HDA_CMD_GET_GPIO_ENABLE_MASK(0, devinfo->nid));
                dir = hda_command(dev,
                    HDA_CMD_GET_GPIO_DIRECTION(0, devinfo->nid));
                wake = hda_command(dev,
                    HDA_CMD_GET_GPIO_WAKE_ENABLE_MASK(0, devinfo->nid));
                unsol = hda_command(dev,
                    HDA_CMD_GET_GPIO_UNSOLICITED_ENABLE_MASK(0, devinfo->nid));
                sticky = hda_command(dev,
                    HDA_CMD_GET_GPIO_STICKY_MASK(0, devinfo->nid));
                for (i = 0; i < HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap); i++) {
                        device_printf(dev, " GPIO%d: ", i);
                        if ((enable & (1 << i)) == 0) {
                                printf("disabled\n");
                                continue;
                        }
                        if ((dir & (1 << i)) == 0) {
                                printf("input%s%s%s",
                                    (sticky & (1 << i)) ? " sticky" : "",
                                    (unsol & (1 << i)) ? " unsol" : "",
                                    (wake & (1 << i)) ? " wake" : "");
                        } else
                                printf("output");
                        printf(" state=%d\n", (data >> i) & 1);
                }
        }
}

static void
hdaa_dump_gpo(struct hdaa_devinfo *devinfo)
{
        device_t dev = devinfo->dev;
        int i;
        uint32_t data;

        if (HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap) > 0) {
                data = hda_command(dev,
                    HDA_CMD_GET_GPO_DATA(0, devinfo->nid));
                for (i = 0; i < HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap); i++) {
                        device_printf(dev, " GPO%d: state=%d\n", i,
                                    (data >> i) & 1);
                }
        }
}

static void
hdaa_audio_parse(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        uint32_t res;
        int i;
        nid_t nid;

        nid = devinfo->nid;

        res = hda_command(devinfo->dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_GPIO_COUNT));
        devinfo->gpio_cap = res;

        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "NumGPIO=%d NumGPO=%d "
                    "NumGPI=%d GPIWake=%d GPIUnsol=%d\n",
                    HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap),
                    HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap),
                    HDA_PARAM_GPIO_COUNT_NUM_GPI(devinfo->gpio_cap),
                    HDA_PARAM_GPIO_COUNT_GPI_WAKE(devinfo->gpio_cap),
                    HDA_PARAM_GPIO_COUNT_GPI_UNSOL(devinfo->gpio_cap));
                hdaa_dump_gpi(devinfo);
                hdaa_dump_gpio(devinfo);
                hdaa_dump_gpo(devinfo);
        );

        res = hda_command(devinfo->dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_SUPP_STREAM_FORMATS));
        devinfo->supp_stream_formats = res;

        res = hda_command(devinfo->dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_SUPP_PCM_SIZE_RATE));
        devinfo->supp_pcm_size_rate = res;

        res = hda_command(devinfo->dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_OUTPUT_AMP_CAP));
        devinfo->outamp_cap = res;

        res = hda_command(devinfo->dev,
            HDA_CMD_GET_PARAMETER(0, nid, HDA_PARAM_INPUT_AMP_CAP));
        devinfo->inamp_cap = res;

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL)
                        device_printf(devinfo->dev, "Ghost widget! nid=%d!\n", i);
                else {
                        w->devinfo = devinfo;
                        w->nid = i;
                        w->enable = 1;
                        w->selconn = -1;
                        w->pflags = 0;
                        w->ossdev = -1;
                        w->bindas = -1;
                        w->param.eapdbtl = HDA_INVALID;
                        hdaa_widget_parse(w);
                }
        }
}

static void
hdaa_audio_postprocess(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        int i;

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL)
                        continue;
                hdaa_widget_postprocess(w);
        }
}

static void
hdaa_audio_ctl_parse(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_ctl *ctls;
        struct hdaa_widget *w, *cw;
        int i, j, cnt, max, ocap, icap;
        int mute, offset, step, size;

        /* XXX This is redundant */
        max = 0;
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->param.outamp_cap != 0)
                        max++;
                if (w->param.inamp_cap != 0) {
                        switch (w->type) {
                        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR:
                        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER:
                                for (j = 0; j < w->nconns; j++) {
                                        cw = hdaa_widget_get(devinfo,
                                            w->conns[j]);
                                        if (cw == NULL || cw->enable == 0)
                                                continue;
                                        max++;
                                }
                                break;
                        default:
                                max++;
                                break;
                        }
                }
        }
        devinfo->ctlcnt = max;

        if (max < 1)
                return;

        ctls = malloc(sizeof(*ctls) * max, M_HDAA, M_ZERO | M_NOWAIT);

        if (ctls == NULL) {
                /* Blekh! */
                device_printf(devinfo->dev, "unable to allocate ctls!\n");
                devinfo->ctlcnt = 0;
                return;
        }

        cnt = 0;
        for (i = devinfo->startnode; cnt < max && i < devinfo->endnode; i++) {
                if (cnt >= max) {
                        device_printf(devinfo->dev, "%s: Ctl overflow!\n",
                            __func__);
                        break;
                }
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                ocap = w->param.outamp_cap;
                icap = w->param.inamp_cap;
                if (ocap != 0) {
                        mute = HDA_PARAM_OUTPUT_AMP_CAP_MUTE_CAP(ocap);
                        step = HDA_PARAM_OUTPUT_AMP_CAP_NUMSTEPS(ocap);
                        size = HDA_PARAM_OUTPUT_AMP_CAP_STEPSIZE(ocap);
                        offset = HDA_PARAM_OUTPUT_AMP_CAP_OFFSET(ocap);
                        /*if (offset > step) {
                                HDA_BOOTVERBOSE(
                                        device_printf(devinfo->dev,
                                            "BUGGY outamp: nid=%d "
                                            "[offset=%d > step=%d]\n",
                                            w->nid, offset, step);
                                );
                                offset = step;
                        }*/
                        ctls[cnt].enable = 1;
                        ctls[cnt].widget = w;
                        ctls[cnt].mute = mute;
                        ctls[cnt].step = step;
                        ctls[cnt].size = size;
                        ctls[cnt].offset = offset;
                        ctls[cnt].left = offset;
                        ctls[cnt].right = offset;
                        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX ||
                            w->waspin)
                                ctls[cnt].ndir = HDAA_CTL_IN;
                        else
                                ctls[cnt].ndir = HDAA_CTL_OUT;
                        ctls[cnt++].dir = HDAA_CTL_OUT;
                }

                if (icap != 0) {
                        mute = HDA_PARAM_OUTPUT_AMP_CAP_MUTE_CAP(icap);
                        step = HDA_PARAM_OUTPUT_AMP_CAP_NUMSTEPS(icap);
                        size = HDA_PARAM_OUTPUT_AMP_CAP_STEPSIZE(icap);
                        offset = HDA_PARAM_OUTPUT_AMP_CAP_OFFSET(icap);
                        /*if (offset > step) {
                                HDA_BOOTVERBOSE(
                                        device_printf(devinfo->dev,
                                            "BUGGY inamp: nid=%d "
                                            "[offset=%d > step=%d]\n",
                                            w->nid, offset, step);
                                );
                                offset = step;
                        }*/
                        switch (w->type) {
                        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR:
                        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER:
                                for (j = 0; j < w->nconns; j++) {
                                        if (cnt >= max) {
                                                device_printf(devinfo->dev,
                                                    "%s: Ctl overflow!\n",
                                                    __func__);
                                                break;
                                        }
                                        cw = hdaa_widget_get(devinfo,
                                            w->conns[j]);
                                        if (cw == NULL || cw->enable == 0)
                                                continue;
                                        ctls[cnt].enable = 1;
                                        ctls[cnt].widget = w;
                                        ctls[cnt].childwidget = cw;
                                        ctls[cnt].index = j;
                                        ctls[cnt].mute = mute;
                                        ctls[cnt].step = step;
                                        ctls[cnt].size = size;
                                        ctls[cnt].offset = offset;
                                        ctls[cnt].left = offset;
                                        ctls[cnt].right = offset;
                                ctls[cnt].ndir = HDAA_CTL_IN;
                                        ctls[cnt++].dir = HDAA_CTL_IN;
                                }
                                break;
                        default:
                                if (cnt >= max) {
                                        device_printf(devinfo->dev,
                                            "%s: Ctl overflow!\n",
                                            __func__);
                                        break;
                                }
                                ctls[cnt].enable = 1;
                                ctls[cnt].widget = w;
                                ctls[cnt].mute = mute;
                                ctls[cnt].step = step;
                                ctls[cnt].size = size;
                                ctls[cnt].offset = offset;
                                ctls[cnt].left = offset;
                                ctls[cnt].right = offset;
                                if (w->type ==
                                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                                        ctls[cnt].ndir = HDAA_CTL_OUT;
                                else
                                        ctls[cnt].ndir = HDAA_CTL_IN;
                                ctls[cnt++].dir = HDAA_CTL_IN;
                                break;
                        }
                }
        }

        devinfo->ctl = ctls;
}

static void
hdaa_audio_as_parse(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as;
        struct hdaa_widget *w;
        int i, j, cnt, max, type, dir, assoc, seq, first, hpredir;

        /* Count present associations */
        max = 0;
        for (j = 1; j < 16; j++) {
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        w = hdaa_widget_get(devinfo, i);
                        if (w == NULL || w->enable == 0)
                                continue;
                        if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                                continue;
                        if (HDA_CONFIG_DEFAULTCONF_ASSOCIATION(w->wclass.pin.config)
                            != j)
                                continue;
                        max++;
                        if (j != 15)  /* There could be many 1-pin assocs #15 */
                                break;
                }
        }

        devinfo->ascnt = max;

        if (max < 1)
                return;

        as = malloc(sizeof(*as) * max, M_HDAA, M_ZERO | M_NOWAIT);

        if (as == NULL) {
                /* Blekh! */
                device_printf(devinfo->dev, "unable to allocate assocs!\n");
                devinfo->ascnt = 0;
                return;
        }

        for (i = 0; i < max; i++) {
                as[i].hpredir = -1;
                as[i].digital = 0;
                as[i].num_chans = 1;
                as[i].location = -1;
        }

        /* Scan associations skipping as=0. */
        cnt = 0;
        for (j = 1; j < 16 && cnt < max; j++) {
                first = 16;
                hpredir = 0;
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        w = hdaa_widget_get(devinfo, i);
                        if (w == NULL || w->enable == 0)
                                continue;
                        if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                                continue;
                        assoc = HDA_CONFIG_DEFAULTCONF_ASSOCIATION(w->wclass.pin.config);
                        seq = HDA_CONFIG_DEFAULTCONF_SEQUENCE(w->wclass.pin.config);
                        if (assoc != j) {
                                continue;
                        }
                        KASSERT(cnt < max,
                            ("%s: Associations overflow (%d of %d)",
                            __func__, cnt, max));
                        type = w->wclass.pin.config &
                            HDA_CONFIG_DEFAULTCONF_DEVICE_MASK;
                        /* Get pin direction. */
                        if (type == HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_OUT ||
                            type == HDA_CONFIG_DEFAULTCONF_DEVICE_SPEAKER ||
                            type == HDA_CONFIG_DEFAULTCONF_DEVICE_HP_OUT ||
                            type == HDA_CONFIG_DEFAULTCONF_DEVICE_SPDIF_OUT ||
                            type == HDA_CONFIG_DEFAULTCONF_DEVICE_DIGITAL_OTHER_OUT)
                                dir = HDAA_CTL_OUT;
                        else
                                dir = HDAA_CTL_IN;
                        /* If this is a first pin - create new association. */
                        if (as[cnt].pincnt == 0) {
                                as[cnt].enable = 1;
                                as[cnt].index = j;
                                as[cnt].dir = dir;
                        }
                        if (seq < first)
                                first = seq;
                        /* Check association correctness. */
                        if (as[cnt].pins[seq] != 0) {
                                device_printf(devinfo->dev, "%s: Duplicate pin %d (%d) "
                                    "in association %d! Disabling association.\n",
                                    __func__, seq, w->nid, j);
                                as[cnt].enable = 0;
                        }
                        if (dir != as[cnt].dir) {
                                device_printf(devinfo->dev, "%s: Pin %d has wrong "
                                    "direction for association %d! Disabling "
                                    "association.\n",
                                    __func__, w->nid, j);
                                as[cnt].enable = 0;
                        }
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap)) {
                                as[cnt].digital |= 0x1;
                                if (HDA_PARAM_PIN_CAP_HDMI(w->wclass.pin.cap))
                                        as[cnt].digital |= 0x2;
                                if (HDA_PARAM_PIN_CAP_DP(w->wclass.pin.cap))
                                        as[cnt].digital |= 0x4;
                        }
                        if (as[cnt].location == -1) {
                                as[cnt].location =
                                    HDA_CONFIG_DEFAULTCONF_LOCATION(w->wclass.pin.config);
                        } else if (as[cnt].location !=
                            HDA_CONFIG_DEFAULTCONF_LOCATION(w->wclass.pin.config)) {
                                as[cnt].location = -2;
                        }
                        /* Headphones with seq=15 may mean redirection. */
                        if (type == HDA_CONFIG_DEFAULTCONF_DEVICE_HP_OUT &&
                            seq == 15)
                                hpredir = 1;
                        as[cnt].pins[seq] = w->nid;
                        as[cnt].pincnt++;
                        /* Association 15 is a multiple unassociated pins. */
                        if (j == 15)
                                cnt++;
                }
                if (j != 15 && as[cnt].pincnt > 0) {
                        if (hpredir && as[cnt].pincnt > 1)
                                as[cnt].hpredir = first;
                        cnt++;
                }
        }
        for (i = 0; i < max; i++) {
                if (as[i].dir == HDAA_CTL_IN && (as[i].pincnt == 1 ||
                    as[i].pins[14] > 0 || as[i].pins[15] > 0))
                        as[i].mixed = 1;
        }
        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "%d associations found:\n", max);
                for (i = 0; i < max; i++) {
                        device_printf(devinfo->dev,
                            "Association %d (%d) %s%s:\n",
                            i, as[i].index, (as[i].dir == HDAA_CTL_IN)?"in":"out",
                            as[i].enable?"":" (disabled)");
                        for (j = 0; j < 16; j++) {
                                if (as[i].pins[j] == 0)
                                        continue;
                                device_printf(devinfo->dev,
                                    " Pin nid=%d seq=%d\n",
                                    as[i].pins[j], j);
                        }
                }
        );

        devinfo->as = as;
}

/*
 * Trace path from DAC to pin.
 */
static nid_t
hdaa_audio_trace_dac(struct hdaa_devinfo *devinfo, int as, int seq, nid_t nid,
    int dupseq, int min, int only, int depth)
{
        struct hdaa_widget *w;
        int i, im = -1;
        nid_t m = 0, ret;

        if (depth > HDA_PARSE_MAXDEPTH)
                return (0);
        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return (0);
        HDA_BOOTHVERBOSE(
                if (!only) {
                        device_printf(devinfo->dev,
                            " %*stracing via nid %d\n",
                                depth + 1, "", w->nid);
                }
        );
        /* Use only unused widgets */
        if (w->bindas >= 0 && w->bindas != as) {
                HDA_BOOTHVERBOSE(
                        if (!only) {
                                device_printf(devinfo->dev,
                                    " %*snid %d busy by association %d\n",
                                        depth + 1, "", w->nid, w->bindas);
                        }
                );
                return (0);
        }
        if (dupseq < 0) {
                if (w->bindseqmask != 0) {
                        HDA_BOOTHVERBOSE(
                                if (!only) {
                                        device_printf(devinfo->dev,
                                            " %*snid %d busy by seqmask %x\n",
                                                depth + 1, "", w->nid, w->bindseqmask);
                                }
                        );
                        return (0);
                }
        } else {
                /* If this is headphones - allow duplicate first pin. */
                if (w->bindseqmask != 0 &&
                    (w->bindseqmask & (1 << dupseq)) == 0) {
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " %*snid %d busy by seqmask %x\n",
                                        depth + 1, "", w->nid, w->bindseqmask);
                        );
                        return (0);
                }
        }

        switch (w->type) {
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT:
                /* Do not traverse input. AD1988 has digital monitor
                for which we are not ready. */
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT:
                /* If we are tracing HP take only dac of first pin. */
                if ((only == 0 || only == w->nid) &&
                    (w->nid >= min) && (dupseq < 0 || w->nid ==
                    devinfo->as[as].dacs[0][dupseq]))
                        m = w->nid;
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX:
                if (depth > 0)
                        break;
                /* Fall */
        default:
                /* Find reachable DACs with smallest nid respecting constraints. */
                for (i = 0; i < w->nconns; i++) {
                        if (w->connsenable[i] == 0)
                                continue;
                        if (w->selconn != -1 && w->selconn != i)
                                continue;
                        if ((ret = hdaa_audio_trace_dac(devinfo, as, seq,
                            w->conns[i], dupseq, min, only, depth + 1)) != 0) {
                                if (m == 0 || ret < m) {
                                        m = ret;
                                        im = i;
                                }
                                if (only || dupseq >= 0)
                                        break;
                        }
                }
                if (im >= 0 && only && ((w->nconns > 1 &&
                    w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER) ||
                    w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR))
                        w->selconn = im;
                break;
        }
        if (m && only) {
                w->bindas = as;
                w->bindseqmask |= (1 << seq);
        }
        HDA_BOOTHVERBOSE(
                if (!only) {
                        device_printf(devinfo->dev,
                            " %*snid %d returned %d\n",
                                depth + 1, "", w->nid, m);
                }
        );
        return (m);
}

/*
 * Trace path from widget to ADC.
 */
static nid_t
hdaa_audio_trace_adc(struct hdaa_devinfo *devinfo, int as, int seq, nid_t nid,
    int mixed, int min, int only, int depth, int *length, int onlylength)
{
        struct hdaa_widget *w, *wc;
        int i, j, im, lm = HDA_PARSE_MAXDEPTH;
        nid_t m = 0, ret;

        if (depth > HDA_PARSE_MAXDEPTH)
                return (0);
        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return (0);
        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev,
                    " %*stracing via nid %d\n",
                        depth + 1, "", w->nid);
        );
        /* Use only unused widgets */
        if (w->bindas >= 0 && w->bindas != as) {
                HDA_BOOTHVERBOSE(
                        device_printf(devinfo->dev,
                            " %*snid %d busy by association %d\n",
                                depth + 1, "", w->nid, w->bindas);
                );
                return (0);
        }
        if (!mixed && w->bindseqmask != 0) {
                HDA_BOOTHVERBOSE(
                        device_printf(devinfo->dev,
                            " %*snid %d busy by seqmask %x\n",
                                depth + 1, "", w->nid, w->bindseqmask);
                );
                return (0);
        }
        switch (w->type) {
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT:
                if ((only == 0 || only == w->nid) && (w->nid >= min) &&
                    (onlylength == 0 || onlylength == depth)) {
                        m = w->nid;
                        *length = depth;
                }
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX:
                if (depth > 0)
                        break;
                /* Fall */
        default:
                /* Try to find reachable ADCs with specified nid. */
                for (j = devinfo->startnode; j < devinfo->endnode; j++) {
                        wc = hdaa_widget_get(devinfo, j);
                        if (wc == NULL || wc->enable == 0)
                                continue;
                        im = -1;
                        for (i = 0; i < wc->nconns; i++) {
                                if (wc->connsenable[i] == 0)
                                        continue;
                                if (wc->conns[i] != nid)
                                        continue;
                                if ((ret = hdaa_audio_trace_adc(devinfo, as, seq,
                                    j, mixed, min, only, depth + 1,
                                    length, onlylength)) != 0) {
                                        if (m == 0 || ret < m ||
                                            (ret == m && *length < lm)) {
                                                m = ret;
                                                im = i;
                                                lm = *length;
                                        } else
                                                *length = lm;
                                        if (only)
                                                break;
                                }
                        }
                        if (im >= 0 && only && ((wc->nconns > 1 &&
                            wc->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER) ||
                            wc->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR))
                                wc->selconn = im;
                }
                break;
        }
        if (m && only) {
                w->bindas = as;
                w->bindseqmask |= (1 << seq);
        }
        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev,
                    " %*snid %d returned %d\n",
                        depth + 1, "", w->nid, m);
        );
        return (m);
}

/*
 * Erase trace path of the specified association.
 */
static void
hdaa_audio_undo_trace(struct hdaa_devinfo *devinfo, int as, int seq)
{
        struct hdaa_widget *w;
        int i;

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->bindas == as) {
                        if (seq >= 0) {
                                w->bindseqmask &= ~(1 << seq);
                                if (w->bindseqmask == 0) {
                                        w->bindas = -1;
                                        w->selconn = -1;
                                }
                        } else {
                                w->bindas = -1;
                                w->bindseqmask = 0;
                                w->selconn = -1;
                        }
                }
        }
}

/*
 * Trace association path from DAC to output
 */
static int
hdaa_audio_trace_as_out(struct hdaa_devinfo *devinfo, int as, int seq)
{
        struct hdaa_audio_as *ases = devinfo->as;
        int i, hpredir;
        nid_t min, res;

        /* Find next pin */
        for (i = seq; i < 16 && ases[as].pins[i] == 0; i++)
                ;
        /* Check if there is no any left. If so - we succeeded. */
        if (i == 16)
                return (1);

        hpredir = (i == 15 && ases[as].fakeredir == 0)?ases[as].hpredir:-1;
        min = 0;
        do {
                HDA_BOOTHVERBOSE(
                        device_printf(devinfo->dev,
                            " Tracing pin %d with min nid %d",
                            ases[as].pins[i], min);
                        if (hpredir >= 0)
                                printf(" and hpredir %d", hpredir);
                        printf("\n");
                );
                /* Trace this pin taking min nid into account. */
                res = hdaa_audio_trace_dac(devinfo, as, i,
                    ases[as].pins[i], hpredir, min, 0, 0);
                if (res == 0) {
                        /* If we failed - return to previous and redo it. */
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    " Unable to trace pin %d seq %d with min "
                                    "nid %d",
                                    ases[as].pins[i], i, min);
                                if (hpredir >= 0)
                                        printf(" and hpredir %d", hpredir);
                                printf("\n");
                        );
                        return (0);
                }
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            " Pin %d traced to DAC %d",
                            ases[as].pins[i], res);
                        if (hpredir >= 0)
                                printf(" and hpredir %d", hpredir);
                        if (ases[as].fakeredir)
                                printf(" with fake redirection");
                        printf("\n");
                );
                /* Trace again to mark the path */
                hdaa_audio_trace_dac(devinfo, as, i,
                    ases[as].pins[i], hpredir, min, res, 0);
                ases[as].dacs[0][i] = res;
                /* We succeeded, so call next. */
                if (hdaa_audio_trace_as_out(devinfo, as, i + 1))
                        return (1);
                /* If next failed, we should retry with next min */
                hdaa_audio_undo_trace(devinfo, as, i);
                ases[as].dacs[0][i] = 0;
                min = res + 1;
        } while (1);
}

/*
 * Check equivalency of two DACs.
 */
static int
hdaa_audio_dacs_equal(struct hdaa_widget *w1, struct hdaa_widget *w2)
{
        struct hdaa_devinfo *devinfo = w1->devinfo;
        struct hdaa_widget *w3;
        int i, j, c1, c2;

        if (memcmp(&w1->param, &w2->param, sizeof(w1->param)))
                return (0);
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w3 = hdaa_widget_get(devinfo, i);
                if (w3 == NULL || w3->enable == 0)
                        continue;
                if (w3->bindas != w1->bindas)
                        continue;
                if (w3->nconns == 0)
                        continue;
                c1 = c2 = -1;
                for (j = 0; j < w3->nconns; j++) {
                        if (w3->connsenable[j] == 0)
                                continue;
                        if (w3->conns[j] == w1->nid)
                                c1 = j;
                        if (w3->conns[j] == w2->nid)
                                c2 = j;
                }
                if (c1 < 0)
                        continue;
                if (c2 < 0)
                        return (0);
                if (w3->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                        return (0);
        }
        return (1);
}

/*
 * Check equivalency of two ADCs.
 */
static int
hdaa_audio_adcs_equal(struct hdaa_widget *w1, struct hdaa_widget *w2)
{
        struct hdaa_devinfo *devinfo = w1->devinfo;
        struct hdaa_widget *w3, *w4;
        int i;

        if (memcmp(&w1->param, &w2->param, sizeof(w1->param)))
                return (0);
        if (w1->nconns != 1 || w2->nconns != 1)
                return (0);
        if (w1->conns[0] == w2->conns[0])
                return (1);
        w3 = hdaa_widget_get(devinfo, w1->conns[0]);
        if (w3 == NULL || w3->enable == 0)
                return (0);
        w4 = hdaa_widget_get(devinfo, w2->conns[0]);
        if (w4 == NULL || w4->enable == 0)
                return (0);
        if (w3->bindas == w4->bindas && w3->bindseqmask == w4->bindseqmask)
                return (1);
        if (w4->bindas >= 0)
                return (0);
        if (w3->type != w4->type)
                return (0);
        if (memcmp(&w3->param, &w4->param, sizeof(w3->param)))
                return (0);
        if (w3->nconns != w4->nconns)
                return (0);
        for (i = 0; i < w3->nconns; i++) {
                if (w3->conns[i] != w4->conns[i])
                        return (0);
        }
        return (1);
}

/*
 * Look for equivalent DAC/ADC to implement second channel.
 */
static void
hdaa_audio_adddac(struct hdaa_devinfo *devinfo, int asid)
{
        struct hdaa_audio_as *as = &devinfo->as[asid];
        struct hdaa_widget *w1, *w2;
        int i, pos;
        nid_t nid1, nid2;

        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "Looking for additional %sC "
                    "for association %d (%d)\n",
                    (as->dir == HDAA_CTL_OUT) ? "DA" : "AD",
                    asid, as->index);
        );

        /* Find the existing DAC position and return if found more the one. */
        pos = -1;
        for (i = 0; i < 16; i++) {
                if (as->dacs[0][i] <= 0)
                        continue;
                if (pos >= 0 && as->dacs[0][i] != as->dacs[0][pos])
                        return;
                pos = i;
        }

        nid1 = as->dacs[0][pos];
        w1 = hdaa_widget_get(devinfo, nid1);
        w2 = NULL;
        for (nid2 = devinfo->startnode; nid2 < devinfo->endnode; nid2++) {
                w2 = hdaa_widget_get(devinfo, nid2);
                if (w2 == NULL || w2->enable == 0)
                        continue;
                if (w2->bindas >= 0)
                        continue;
                if (w1->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT) {
                        if (w2->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT)
                                continue;
                        if (hdaa_audio_dacs_equal(w1, w2))
                                break;
                } else {
                        if (w2->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT)
                                continue;
                        if (hdaa_audio_adcs_equal(w1, w2))
                                break;
                }
        }
        if (nid2 >= devinfo->endnode)
                return;
        w2->bindas = w1->bindas;
        w2->bindseqmask = w1->bindseqmask;
        if (w1->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT) {
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            " ADC %d considered equal to ADC %d\n", nid2, nid1);
                );
                w1 = hdaa_widget_get(devinfo, w1->conns[0]);
                w2 = hdaa_widget_get(devinfo, w2->conns[0]);
                w2->bindas = w1->bindas;
                w2->bindseqmask = w1->bindseqmask;
        } else {
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            " DAC %d considered equal to DAC %d\n", nid2, nid1);
                );
        }
        for (i = 0; i < 16; i++) {
                if (as->dacs[0][i] <= 0)
                        continue;
                as->dacs[as->num_chans][i] = nid2;
        }
        as->num_chans++;
}

/*
 * Trace association path from input to ADC
 */
static int
hdaa_audio_trace_as_in(struct hdaa_devinfo *devinfo, int as)
{
        struct hdaa_audio_as *ases = devinfo->as;
        struct hdaa_widget *w;
        int i, j, k, length;

        for (j = devinfo->startnode; j < devinfo->endnode; j++) {
                w = hdaa_widget_get(devinfo, j);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT)
                        continue;
                if (w->bindas >= 0 && w->bindas != as)
                        continue;

                /* Find next pin */
                for (i = 0; i < 16; i++) {
                        if (ases[as].pins[i] == 0)
                                continue;

                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " Tracing pin %d to ADC %d\n",
                                    ases[as].pins[i], j);
                        );
                        /* Trace this pin taking goal into account. */
                        if (hdaa_audio_trace_adc(devinfo, as, i,
                            ases[as].pins[i], 1, 0, j, 0, &length, 0) == 0) {
                                /* If we failed - return to previous and redo it. */
                                HDA_BOOTVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Unable to trace pin %d to ADC %d, undo traces\n",
                                            ases[as].pins[i], j);
                                );
                                hdaa_audio_undo_trace(devinfo, as, -1);
                                for (k = 0; k < 16; k++)
                                        ases[as].dacs[0][k] = 0;
                                break;
                        }
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    " Pin %d traced to ADC %d\n",
                                    ases[as].pins[i], j);
                        );
                        ases[as].dacs[0][i] = j;
                }
                if (i == 16)
                        return (1);
        }
        return (0);
}

/*
 * Trace association path from input to multiple ADCs
 */
static int
hdaa_audio_trace_as_in_mch(struct hdaa_devinfo *devinfo, int as, int seq)
{
        struct hdaa_audio_as *ases = devinfo->as;
        int i, length;
        nid_t min, res;

        /* Find next pin */
        for (i = seq; i < 16 && ases[as].pins[i] == 0; i++)
                ;
        /* Check if there is no any left. If so - we succeeded. */
        if (i == 16)
                return (1);

        min = 0;
        do {
                HDA_BOOTHVERBOSE(
                        device_printf(devinfo->dev,
                            " Tracing pin %d with min nid %d",
                            ases[as].pins[i], min);
                        printf("\n");
                );
                /* Trace this pin taking min nid into account. */
                res = hdaa_audio_trace_adc(devinfo, as, i,
                    ases[as].pins[i], 0, min, 0, 0, &length, 0);
                if (res == 0) {
                        /* If we failed - return to previous and redo it. */
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    " Unable to trace pin %d seq %d with min "
                                    "nid %d",
                                    ases[as].pins[i], i, min);
                                printf("\n");
                        );
                        return (0);
                }
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            " Pin %d traced to ADC %d\n",
                            ases[as].pins[i], res);
                );
                /* Trace again to mark the path */
                hdaa_audio_trace_adc(devinfo, as, i,
                    ases[as].pins[i], 0, min, res, 0, &length, length);
                ases[as].dacs[0][i] = res;
                /* We succeeded, so call next. */
                if (hdaa_audio_trace_as_in_mch(devinfo, as, i + 1))
                        return (1);
                /* If next failed, we should retry with next min */
                hdaa_audio_undo_trace(devinfo, as, i);
                ases[as].dacs[0][i] = 0;
                min = res + 1;
        } while (1);
}

/*
 * Trace input monitor path from mixer to output association.
 */
static int
hdaa_audio_trace_to_out(struct hdaa_devinfo *devinfo, nid_t nid, int depth)
{
        struct hdaa_audio_as *ases = devinfo->as;
        struct hdaa_widget *w, *wc;
        int i, j;
        nid_t res = 0;

        if (depth > HDA_PARSE_MAXDEPTH)
                return (0);
        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return (0);
        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev,
                    " %*stracing via nid %d\n",
                        depth + 1, "", w->nid);
        );
        /* Use only unused widgets */
        if (depth > 0 && w->bindas != -1) {
                if (w->bindas < 0 || ases[w->bindas].dir == HDAA_CTL_OUT) {
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " %*snid %d found output association %d\n",
                                        depth + 1, "", w->nid, w->bindas);
                        );
                        if (w->bindas >= 0)
                                w->pflags |= HDAA_ADC_MONITOR;
                        return (1);
                } else {
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " %*snid %d busy by input association %d\n",
                                        depth + 1, "", w->nid, w->bindas);
                        );
                        return (0);
                }
        }

        switch (w->type) {
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT:
                /* Do not traverse input. AD1988 has digital monitor
                for which we are not ready. */
                break;
        case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX:
                if (depth > 0)
                        break;
                /* Fall */
        default:
                /* Try to find reachable ADCs with specified nid. */
                for (j = devinfo->startnode; j < devinfo->endnode; j++) {
                        wc = hdaa_widget_get(devinfo, j);
                        if (wc == NULL || wc->enable == 0)
                                continue;
                        for (i = 0; i < wc->nconns; i++) {
                                if (wc->connsenable[i] == 0)
                                        continue;
                                if (wc->conns[i] != nid)
                                        continue;
                                if (hdaa_audio_trace_to_out(devinfo,
                                    j, depth + 1) != 0) {
                                        res = 1;
                                        if (wc->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR &&
                                            wc->selconn == -1)
                                                wc->selconn = i;
                                }
                        }
                }
                break;
        }
        if (res && w->bindas == -1)
                w->bindas = -2;

        HDA_BOOTHVERBOSE(
                device_printf(devinfo->dev,
                    " %*snid %d returned %d\n",
                        depth + 1, "", w->nid, res);
        );
        return (res);
}

/*
 * Trace extra associations (beeper, monitor)
 */
static void
hdaa_audio_trace_as_extra(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w;
        int j;

        /* Input monitor */
        /* Find mixer associated with input, but supplying signal
           for output associations. Hope it will be input monitor. */
        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "Tracing input monitor\n");
        );
        for (j = devinfo->startnode; j < devinfo->endnode; j++) {
                w = hdaa_widget_get(devinfo, j);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                        continue;
                if (w->bindas < 0 || as[w->bindas].dir != HDAA_CTL_IN)
                        continue;
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            " Tracing nid %d to out\n",
                            j);
                );
                if (hdaa_audio_trace_to_out(devinfo, w->nid, 0)) {
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    " nid %d is input monitor\n",
                                        w->nid);
                        );
                        w->ossdev = SOUND_MIXER_IMIX;
                }
        }

        /* Other inputs monitor */
        /* Find input pins supplying signal for output associations.
           Hope it will be input monitoring. */
        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "Tracing other input monitors\n");
        );
        for (j = devinfo->startnode; j < devinfo->endnode; j++) {
                w = hdaa_widget_get(devinfo, j);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (w->bindas < 0 || as[w->bindas].dir != HDAA_CTL_IN)
                        continue;
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            " Tracing nid %d to out\n",
                            j);
                );
                if (hdaa_audio_trace_to_out(devinfo, w->nid, 0)) {
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    " nid %d is input monitor\n",
                                        w->nid);
                        );
                }
        }

        /* Beeper */
        HDA_BOOTVERBOSE(
                device_printf(devinfo->dev,
                    "Tracing beeper\n");
        );
        for (j = devinfo->startnode; j < devinfo->endnode; j++) {
                w = hdaa_widget_get(devinfo, j);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_BEEP_WIDGET)
                        continue;
                HDA_BOOTHVERBOSE(
                        device_printf(devinfo->dev,
                            " Tracing nid %d to out\n",
                            j);
                );
                if (hdaa_audio_trace_to_out(devinfo, w->nid, 0)) {
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    " nid %d traced to out\n",
                                    j);
                        );
                }
                w->bindas = -2;
        }
}

/*
 * Bind assotiations to PCM channels
 */
static void
hdaa_audio_bind_as(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        int i, j, cnt = 0, free;

        for (j = 0; j < devinfo->ascnt; j++) {
                if (as[j].enable)
                        cnt += as[j].num_chans;
        }
        if (devinfo->num_chans == 0) {
                devinfo->chans = malloc(sizeof(struct hdaa_chan) * cnt,
                    M_HDAA, M_ZERO | M_NOWAIT);
                if (devinfo->chans == NULL) {
                        device_printf(devinfo->dev,
                            "Channels memory allocation failed!\n");
                        return;
                }
        } else {
                devinfo->chans = (struct hdaa_chan *)realloc(devinfo->chans,
                    sizeof(struct hdaa_chan) * (devinfo->num_chans + cnt),
                    M_HDAA, M_ZERO | M_NOWAIT);
                if (devinfo->chans == NULL) {
                        devinfo->num_chans = 0;
                        device_printf(devinfo->dev,
                            "Channels memory allocation failed!\n");
                        return;
                }
                /* Fixup relative pointers after realloc */
                for (j = 0; j < devinfo->num_chans; j++)
                        devinfo->chans[j].caps.fmtlist = devinfo->chans[j].fmtlist;
        }
        free = devinfo->num_chans;
        devinfo->num_chans += cnt;

        for (j = free; j < free + cnt; j++) {
                devinfo->chans[j].devinfo = devinfo;
                devinfo->chans[j].as = -1;
        }

        /* Assign associations in order of their numbers, */
        for (j = 0; j < devinfo->ascnt; j++) {
                if (as[j].enable == 0)
                        continue;
                for (i = 0; i < as[j].num_chans; i++) {
                        devinfo->chans[free].as = j;
                        devinfo->chans[free].asindex = i;
                        devinfo->chans[free].dir =
                            (as[j].dir == HDAA_CTL_IN) ? PCMDIR_REC : PCMDIR_PLAY;
                        hdaa_pcmchannel_setup(&devinfo->chans[free]);
                        as[j].chans[i] = free;
                        free++;
                }
        }
}

static void
hdaa_audio_disable_nonaudio(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        int i;

        /* Disable power and volume widgets. */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_POWER_WIDGET ||
                    w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_VOLUME_WIDGET) {
                        w->enable = 0;
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " Disabling nid %d due to it's"
                                    " non-audio type.\n",
                                    w->nid);
                        );
                }
        }
}

static void
hdaa_audio_disable_useless(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w, *cw;
        struct hdaa_audio_ctl *ctl;
        int done, found, i, j, k;

        /* Disable useless pins. */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX) {
                        if ((w->wclass.pin.config &
                            HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_MASK) ==
                            HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_NONE) {
                                w->enable = 0;
                                HDA_BOOTHVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Disabling pin nid %d due"
                                            " to None connectivity.\n",
                                            w->nid);
                                );
                        } else if ((w->wclass.pin.config &
                            HDA_CONFIG_DEFAULTCONF_ASSOCIATION_MASK) == 0) {
                                w->enable = 0;
                                HDA_BOOTHVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Disabling unassociated"
                                            " pin nid %d.\n",
                                            w->nid);
                                );
                        }
                }
        }
        do {
                done = 1;
                /* Disable and mute controls for disabled widgets. */
                i = 0;
                while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                        if (ctl->enable == 0)
                                continue;
                        if (ctl->widget->enable == 0 ||
                            (ctl->childwidget != NULL &&
                            ctl->childwidget->enable == 0)) {
                                ctl->forcemute = 1;
                                ctl->muted = HDAA_AMP_MUTE_ALL;
                                ctl->left = 0;
                                ctl->right = 0;
                                ctl->enable = 0;
                                if (ctl->ndir == HDAA_CTL_IN)
                                        ctl->widget->connsenable[ctl->index] = 0;
                                done = 0;
                                HDA_BOOTHVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Disabling ctl %d nid %d cnid %d due"
                                            " to disabled widget.\n", i,
                                            ctl->widget->nid,
                                            (ctl->childwidget != NULL)?
                                            ctl->childwidget->nid:-1);
                                );
                        }
                }
                /* Disable useless widgets. */
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        w = hdaa_widget_get(devinfo, i);
                        if (w == NULL || w->enable == 0)
                                continue;
                        /* Disable inputs with disabled child widgets. */
                        for (j = 0; j < w->nconns; j++) {
                                if (w->connsenable[j]) {
                                        cw = hdaa_widget_get(devinfo, w->conns[j]);
                                        if (cw == NULL || cw->enable == 0) {
                                                w->connsenable[j] = 0;
                                                HDA_BOOTHVERBOSE(
                                                        device_printf(devinfo->dev,
                                                            " Disabling nid %d connection %d due"
                                                            " to disabled child widget.\n",
                                                            i, j);
                                                );
                                        }
                                }
                        }
                        if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR &&
                            w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                                continue;
                        /* Disable mixers and selectors without inputs. */
                        found = 0;
                        for (j = 0; j < w->nconns; j++) {
                                if (w->connsenable[j]) {
                                        found = 1;
                                        break;
                                }
                        }
                        if (found == 0) {
                                w->enable = 0;
                                done = 0;
                                HDA_BOOTHVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Disabling nid %d due to all it's"
                                            " inputs disabled.\n", w->nid);
                                );
                        }
                        /* Disable nodes without consumers. */
                        if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_SELECTOR &&
                            w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                                continue;
                        found = 0;
                        for (k = devinfo->startnode; k < devinfo->endnode; k++) {
                                cw = hdaa_widget_get(devinfo, k);
                                if (cw == NULL || cw->enable == 0)
                                        continue;
                                for (j = 0; j < cw->nconns; j++) {
                                        if (cw->connsenable[j] && cw->conns[j] == i) {
                                                found = 1;
                                                break;
                                        }
                                }
                        }
                        if (found == 0) {
                                w->enable = 0;
                                done = 0;
                                HDA_BOOTHVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Disabling nid %d due to all it's"
                                            " consumers disabled.\n", w->nid);
                                );
                        }
                }
        } while (done == 0);

}

static void
hdaa_audio_disable_unas(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w, *cw;
        struct hdaa_audio_ctl *ctl;
        int i, j, k;

        /* Disable unassosiated widgets. */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->bindas == -1) {
                        w->enable = 0;
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " Disabling unassociated nid %d.\n",
                                    w->nid);
                        );
                }
        }
        /* Disable input connections on input pin and
         * output on output. */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (w->bindas < 0)
                        continue;
                if (as[w->bindas].dir == HDAA_CTL_IN) {
                        for (j = 0; j < w->nconns; j++) {
                                if (w->connsenable[j] == 0)
                                        continue;
                                w->connsenable[j] = 0;
                                HDA_BOOTHVERBOSE(
                                        device_printf(devinfo->dev,
                                            " Disabling connection to input pin "
                                            "nid %d conn %d.\n",
                                            i, j);
                                );
                        }
                        ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid,
                            HDAA_CTL_IN, -1, 1);
                        if (ctl && ctl->enable) {
                                ctl->forcemute = 1;
                                ctl->muted = HDAA_AMP_MUTE_ALL;
                                ctl->left = 0;
                                ctl->right = 0;
                                ctl->enable = 0;
                        }
                } else {
                        ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid,
                            HDAA_CTL_OUT, -1, 1);
                        if (ctl && ctl->enable) {
                                ctl->forcemute = 1;
                                ctl->muted = HDAA_AMP_MUTE_ALL;
                                ctl->left = 0;
                                ctl->right = 0;
                                ctl->enable = 0;
                        }
                        for (k = devinfo->startnode; k < devinfo->endnode; k++) {
                                cw = hdaa_widget_get(devinfo, k);
                                if (cw == NULL || cw->enable == 0)
                                        continue;
                                for (j = 0; j < cw->nconns; j++) {
                                        if (cw->connsenable[j] && cw->conns[j] == i) {
                                                cw->connsenable[j] = 0;
                                                HDA_BOOTHVERBOSE(
                                                        device_printf(devinfo->dev,
                                                            " Disabling connection from output pin "
                                                            "nid %d conn %d cnid %d.\n",
                                                            k, j, i);
                                                );
                                                if (cw->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
                                                    cw->nconns > 1)
                                                        continue;
                                                ctl = hdaa_audio_ctl_amp_get(devinfo, k,
                                            HDAA_CTL_IN, j, 1);
                                                if (ctl && ctl->enable) {
                                                        ctl->forcemute = 1;
                                                        ctl->muted = HDAA_AMP_MUTE_ALL;
                                                        ctl->left = 0;
                                                        ctl->right = 0;
                                                        ctl->enable = 0;
                                                }
                                        }
                                }
                        }
                }
        }
}

static void
hdaa_audio_disable_notselected(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w;
        int i, j;

        /* On playback path we can safely disable all unseleted inputs. */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->nconns <= 1)
                        continue;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                        continue;
                if (w->bindas < 0 || as[w->bindas].dir == HDAA_CTL_IN)
                        continue;
                for (j = 0; j < w->nconns; j++) {
                        if (w->connsenable[j] == 0)
                                continue;
                        if (w->selconn < 0 || w->selconn == j)
                                continue;
                        w->connsenable[j] = 0;
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " Disabling unselected connection "
                                    "nid %d conn %d.\n",
                                    i, j);
                        );
                }
        }
}

static void
hdaa_audio_disable_crossas(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *ases = devinfo->as;
        struct hdaa_widget *w, *cw;
        struct hdaa_audio_ctl *ctl;
        int i, j;

        /* Disable crossassociatement and unwanted crosschannel connections. */
        /* ... using selectors */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->nconns <= 1)
                        continue;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                        continue;
                /* Allow any -> mix */
                if (w->bindas == -2)
                        continue;
                for (j = 0; j < w->nconns; j++) {
                        if (w->connsenable[j] == 0)
                                continue;
                        cw = hdaa_widget_get(devinfo, w->conns[j]);
                        if (cw == NULL || w->enable == 0)
                                continue;
                        /* Allow mix -> out. */
                        if (cw->bindas == -2 && w->bindas >= 0 &&
                            ases[w->bindas].dir == HDAA_CTL_OUT)
                                continue;
                        /* Allow mix -> mixed-in. */
                        if (cw->bindas == -2 && w->bindas >= 0 &&
                            ases[w->bindas].mixed)
                                continue;
                        /* Allow in -> mix. */
                        if ((w->pflags & HDAA_ADC_MONITOR) &&
                             cw->bindas >= 0 &&
                             ases[cw->bindas].dir == HDAA_CTL_IN)
                                continue;
                        /* Allow if have common as/seqs. */
                        if (w->bindas == cw->bindas &&
                            (w->bindseqmask & cw->bindseqmask) != 0)
                                continue;
                        w->connsenable[j] = 0;
                        HDA_BOOTHVERBOSE(
                                device_printf(devinfo->dev,
                                    " Disabling crossassociatement connection "
                                    "nid %d conn %d cnid %d.\n",
                                    i, j, cw->nid);
                        );
                }
        }
        /* ... using controls */
        i = 0;
        while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                if (ctl->enable == 0 || ctl->childwidget == NULL)
                        continue;
                /* Allow any -> mix */
                if (ctl->widget->bindas == -2)
                        continue;
                /* Allow mix -> out. */
                if (ctl->childwidget->bindas == -2 &&
                    ctl->widget->bindas >= 0 &&
                    ases[ctl->widget->bindas].dir == HDAA_CTL_OUT)
                        continue;
                /* Allow mix -> mixed-in. */
                if (ctl->childwidget->bindas == -2 &&
                    ctl->widget->bindas >= 0 &&
                    ases[ctl->widget->bindas].mixed)
                        continue;
                /* Allow in -> mix. */
                if ((ctl->widget->pflags & HDAA_ADC_MONITOR) &&
                    ctl->childwidget->bindas >= 0 &&
                    ases[ctl->childwidget->bindas].dir == HDAA_CTL_IN)
                        continue;
                /* Allow if have common as/seqs. */
                if (ctl->widget->bindas == ctl->childwidget->bindas &&
                    (ctl->widget->bindseqmask & ctl->childwidget->bindseqmask) != 0)
                        continue;
                ctl->forcemute = 1;
                ctl->muted = HDAA_AMP_MUTE_ALL;
                ctl->left = 0;
                ctl->right = 0;
                ctl->enable = 0;
                if (ctl->ndir == HDAA_CTL_IN)
                        ctl->widget->connsenable[ctl->index] = 0;
                HDA_BOOTHVERBOSE(
                        device_printf(devinfo->dev,
                            " Disabling crossassociatement connection "
                            "ctl %d nid %d cnid %d.\n", i,
                            ctl->widget->nid,
                            ctl->childwidget->nid);
                );
        }

}

/*
 * Find controls to control amplification for source and calculate possible
 * amplification range.
 */
static int
hdaa_audio_ctl_source_amp(struct hdaa_devinfo *devinfo, nid_t nid, int index,
    int ossdev, int ctlable, int depth, int *minamp, int *maxamp)
{
        struct hdaa_widget *w, *wc;
        struct hdaa_audio_ctl *ctl;
        int i, j, conns = 0, tminamp, tmaxamp, cminamp, cmaxamp, found = 0;

        if (depth > HDA_PARSE_MAXDEPTH)
                return (found);

        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return (found);

        /* Count number of active inputs. */
        if (depth > 0) {
                for (j = 0; j < w->nconns; j++) {
                        if (!w->connsenable[j])
                                continue;
                        conns++;
                }
        }

        /* If this is not a first step - use input mixer.
           Pins have common input ctl so care must be taken. */
        if (depth > 0 && ctlable && (conns == 1 ||
            w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)) {
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid, HDAA_CTL_IN,
                    index, 1);
                if (ctl) {
                        ctl->ossmask |= (1 << ossdev);
                        found++;
                        if (*minamp == *maxamp) {
                                *minamp += MINQDB(ctl);
                                *maxamp += MAXQDB(ctl);
                        }
                }
        }

        /* If widget has own ossdev - not traverse it.
           It will be traversed on its own. */
        if (w->ossdev >= 0 && depth > 0)
                return (found);

        /* We must not traverse pin */
        if ((w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT ||
            w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX) &&
            depth > 0)
                return (found);

        /* record that this widget exports such signal, */
        w->ossmask |= (1 << ossdev);

        /*
         * If signals mixed, we can't assign controls farther.
         * Ignore this on depth zero. Caller must knows why.
         */
        if (conns > 1 &&
            w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                ctlable = 0;

        if (ctlable) {
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid, HDAA_CTL_OUT, -1, 1);
                if (ctl) {
                        ctl->ossmask |= (1 << ossdev);
                        found++;
                        if (*minamp == *maxamp) {
                                *minamp += MINQDB(ctl);
                                *maxamp += MAXQDB(ctl);
                        }
                }
        }

        cminamp = cmaxamp = 0;
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                wc = hdaa_widget_get(devinfo, i);
                if (wc == NULL || wc->enable == 0)
                        continue;
                for (j = 0; j < wc->nconns; j++) {
                        if (wc->connsenable[j] && wc->conns[j] == nid) {
                                tminamp = tmaxamp = 0;
                                found += hdaa_audio_ctl_source_amp(devinfo,
                                    wc->nid, j, ossdev, ctlable, depth + 1,
                                    &tminamp, &tmaxamp);
                                if (cminamp == 0 && cmaxamp == 0) {
                                        cminamp = tminamp;
                                        cmaxamp = tmaxamp;
                                } else if (tminamp != tmaxamp) {
                                        cminamp = imax(cminamp, tminamp);
                                        cmaxamp = imin(cmaxamp, tmaxamp);
                                }
                        }
                }
        }
        if (*minamp == *maxamp && cminamp < cmaxamp) {
                *minamp += cminamp;
                *maxamp += cmaxamp;
        }
        return (found);
}

/*
 * Find controls to control amplification for destination and calculate
 * possible amplification range.
 */
static int
hdaa_audio_ctl_dest_amp(struct hdaa_devinfo *devinfo, nid_t nid, int index,
    int ossdev, int depth, int *minamp, int *maxamp)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w, *wc;
        struct hdaa_audio_ctl *ctl;
        int i, j, consumers, tminamp, tmaxamp, cminamp, cmaxamp, found = 0;

        if (depth > HDA_PARSE_MAXDEPTH)
                return (found);

        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return (found);

        if (depth > 0) {
                /* If this node produce output for several consumers,
                   we can't touch it. */
                consumers = 0;
                for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                        wc = hdaa_widget_get(devinfo, i);
                        if (wc == NULL || wc->enable == 0)
                                continue;
                        for (j = 0; j < wc->nconns; j++) {
                                if (wc->connsenable[j] && wc->conns[j] == nid)
                                        consumers++;
                        }
                }
                /* The only exception is if real HP redirection is configured
                   and this is a duplication point.
                   XXX: Actually exception is not completely correct.
                   XXX: Duplication point check is not perfect. */
                if ((consumers == 2 && (w->bindas < 0 ||
                    as[w->bindas].hpredir < 0 || as[w->bindas].fakeredir ||
                    (w->bindseqmask & (1 << 15)) == 0)) ||
                    consumers > 2)
                        return (found);

                /* Else use it's output mixer. */
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid,
                    HDAA_CTL_OUT, -1, 1);
                if (ctl) {
                        ctl->ossmask |= (1 << ossdev);
                        found++;
                        if (*minamp == *maxamp) {
                                *minamp += MINQDB(ctl);
                                *maxamp += MAXQDB(ctl);
                        }
                }
        }

        /* We must not traverse pin */
        if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
            depth > 0)
                return (found);

        cminamp = cmaxamp = 0;
        for (i = 0; i < w->nconns; i++) {
                if (w->connsenable[i] == 0)
                        continue;
                if (index >= 0 && i != index)
                        continue;
                tminamp = tmaxamp = 0;
                ctl = hdaa_audio_ctl_amp_get(devinfo, w->nid,
                    HDAA_CTL_IN, i, 1);
                if (ctl) {
                        ctl->ossmask |= (1 << ossdev);
                        found++;
                        if (*minamp == *maxamp) {
                                tminamp += MINQDB(ctl);
                                tmaxamp += MAXQDB(ctl);
                        }
                }
                found += hdaa_audio_ctl_dest_amp(devinfo, w->conns[i], -1, ossdev,
                    depth + 1, &tminamp, &tmaxamp);
                if (cminamp == 0 && cmaxamp == 0) {
                        cminamp = tminamp;
                        cmaxamp = tmaxamp;
                } else if (tminamp != tmaxamp) {
                        cminamp = imax(cminamp, tminamp);
                        cmaxamp = imin(cmaxamp, tmaxamp);
                }
        }
        if (*minamp == *maxamp && cminamp < cmaxamp) {
                *minamp += cminamp;
                *maxamp += cmaxamp;
        }
        return (found);
}

/*
 * Assign OSS names to sound sources
 */
static void
hdaa_audio_assign_names(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w;
        int i, j;
        int type = -1, use, used = 0;
        static const int types[7][13] = {
            { SOUND_MIXER_LINE, SOUND_MIXER_LINE1, SOUND_MIXER_LINE2,
              SOUND_MIXER_LINE3, -1 },  /* line */
            { SOUND_MIXER_MONITOR, SOUND_MIXER_MIC, -1 }, /* int mic */
            { SOUND_MIXER_MIC, SOUND_MIXER_MONITOR, -1 }, /* ext mic */
            { SOUND_MIXER_CD, -1 },     /* cd */
            { SOUND_MIXER_SPEAKER, -1 },        /* speaker */
            { SOUND_MIXER_DIGITAL1, SOUND_MIXER_DIGITAL2, SOUND_MIXER_DIGITAL3,
              -1 },     /* digital */
            { SOUND_MIXER_LINE, SOUND_MIXER_LINE1, SOUND_MIXER_LINE2,
              SOUND_MIXER_LINE3, SOUND_MIXER_PHONEIN, SOUND_MIXER_PHONEOUT,
              SOUND_MIXER_VIDEO, SOUND_MIXER_RADIO, SOUND_MIXER_DIGITAL1,
              SOUND_MIXER_DIGITAL2, SOUND_MIXER_DIGITAL3, SOUND_MIXER_MONITOR,
              -1 }      /* others */
        };

        /* Surely known names */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->bindas == -1)
                        continue;
                use = -1;
                switch (w->type) {
                case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX:
                        if (as[w->bindas].dir == HDAA_CTL_OUT)
                                break;
                        type = -1;
                        switch (w->wclass.pin.config & HDA_CONFIG_DEFAULTCONF_DEVICE_MASK) {
                        case HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_IN:
                                type = 0;
                                break;
                        case HDA_CONFIG_DEFAULTCONF_DEVICE_MIC_IN:
                                if ((w->wclass.pin.config & HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_MASK)
                                    == HDA_CONFIG_DEFAULTCONF_CONNECTIVITY_JACK)
                                        break;
                                type = 1;
                                break;
                        case HDA_CONFIG_DEFAULTCONF_DEVICE_CD:
                                type = 3;
                                break;
                        case HDA_CONFIG_DEFAULTCONF_DEVICE_SPEAKER:
                                type = 4;
                                break;
                        case HDA_CONFIG_DEFAULTCONF_DEVICE_SPDIF_IN:
                        case HDA_CONFIG_DEFAULTCONF_DEVICE_DIGITAL_OTHER_IN:
                                type = 5;
                                break;
                        }
                        if (type == -1)
                                break;
                        j = 0;
                        while (types[type][j] >= 0 &&
                            (used & (1 << types[type][j])) != 0) {
                                j++;
                        }
                        if (types[type][j] >= 0)
                                use = types[type][j];
                        break;
                case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT:
                        use = SOUND_MIXER_PCM;
                        break;
                case HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_BEEP_WIDGET:
                        use = SOUND_MIXER_SPEAKER;
                        break;
                default:
                        break;
                }
                if (use >= 0) {
                        w->ossdev = use;
                        used |= (1 << use);
                }
        }
        /* Semi-known names */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->ossdev >= 0)
                        continue;
                if (w->bindas == -1)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (as[w->bindas].dir == HDAA_CTL_OUT)
                        continue;
                type = -1;
                switch (w->wclass.pin.config & HDA_CONFIG_DEFAULTCONF_DEVICE_MASK) {
                case HDA_CONFIG_DEFAULTCONF_DEVICE_LINE_OUT:
                case HDA_CONFIG_DEFAULTCONF_DEVICE_SPEAKER:
                case HDA_CONFIG_DEFAULTCONF_DEVICE_HP_OUT:
                case HDA_CONFIG_DEFAULTCONF_DEVICE_AUX:
                        type = 0;
                        break;
                case HDA_CONFIG_DEFAULTCONF_DEVICE_MIC_IN:
                        type = 2;
                        break;
                case HDA_CONFIG_DEFAULTCONF_DEVICE_SPDIF_OUT:
                case HDA_CONFIG_DEFAULTCONF_DEVICE_DIGITAL_OTHER_OUT:
                        type = 5;
                        break;
                }
                if (type == -1)
                        break;
                j = 0;
                while (types[type][j] >= 0 &&
                    (used & (1 << types[type][j])) != 0) {
                        j++;
                }
                if (types[type][j] >= 0) {
                        w->ossdev = types[type][j];
                        used |= (1 << types[type][j]);
                }
        }
        /* Others */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->ossdev >= 0)
                        continue;
                if (w->bindas == -1)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (as[w->bindas].dir == HDAA_CTL_OUT)
                        continue;
                j = 0;
                while (types[6][j] >= 0 &&
                    (used & (1 << types[6][j])) != 0) {
                        j++;
                }
                if (types[6][j] >= 0) {
                        w->ossdev = types[6][j];
                        used |= (1 << types[6][j]);
                }
        }
}

static void
hdaa_audio_build_tree(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        int j, res;

        /* Trace all associations in order of their numbers. */
        for (j = 0; j < devinfo->ascnt; j++) {
                if (as[j].enable == 0)
                        continue;
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev,
                            "Tracing association %d (%d)\n", j, as[j].index);
                );
                if (as[j].dir == HDAA_CTL_OUT) {
retry:
                        res = hdaa_audio_trace_as_out(devinfo, j, 0);
                        if (res == 0 && as[j].hpredir >= 0 &&
                            as[j].fakeredir == 0) {
                                /* If CODEC can't do analog HP redirection
                                   try to make it using one more DAC. */
                                as[j].fakeredir = 1;
                                goto retry;
                        }
                } else if (as[j].mixed)
                        res = hdaa_audio_trace_as_in(devinfo, j);
                else
                        res = hdaa_audio_trace_as_in_mch(devinfo, j, 0);
                if (res) {
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    "Association %d (%d) trace succeeded\n",
                                    j, as[j].index);
                        );
                } else {
                        HDA_BOOTVERBOSE(
                                device_printf(devinfo->dev,
                                    "Association %d (%d) trace failed\n",
                                    j, as[j].index);
                        );
                        as[j].enable = 0;
                }
        }

        /* Look for additional DACs/ADCs. */
        for (j = 0; j < devinfo->ascnt; j++) {
                if (as[j].enable == 0)
                        continue;
                hdaa_audio_adddac(devinfo, j);
        }

        /* Trace mixer and beeper pseudo associations. */
        hdaa_audio_trace_as_extra(devinfo);
}

/*
 * Store in pdevinfo new data about whether and how we can control signal
 * for OSS device to/from specified widget.
 */
static void
hdaa_adjust_amp(struct hdaa_widget *w, int ossdev,
    int found, int minamp, int maxamp)
{
        struct hdaa_devinfo *devinfo = w->devinfo;
        struct hdaa_pcm_devinfo *pdevinfo;

        if (w->bindas >= 0)
                pdevinfo = devinfo->as[w->bindas].pdevinfo;
        else
                pdevinfo = &devinfo->devs[0];
        if (found)
                pdevinfo->ossmask |= (1 << ossdev);
        if (minamp == 0 && maxamp == 0)
                return;
        if (pdevinfo->minamp[ossdev] == 0 && pdevinfo->maxamp[ossdev] == 0) {
                pdevinfo->minamp[ossdev] = minamp;
                pdevinfo->maxamp[ossdev] = maxamp;
        } else {
                pdevinfo->minamp[ossdev] = imax(pdevinfo->minamp[ossdev], minamp);
                pdevinfo->maxamp[ossdev] = imin(pdevinfo->maxamp[ossdev], maxamp);
        }
}

/*
 * Trace signals from/to all possible sources/destionstions to find possible
 * recording sources, OSS device control ranges and to assign controls.
 */
static void
hdaa_audio_assign_mixers(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w, *cw;
        int i, j, minamp, maxamp, found;

        /* Assign mixers to the tree. */
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                minamp = maxamp = 0;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT ||
                    w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_BEEP_WIDGET ||
                    (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
                    as[w->bindas].dir == HDAA_CTL_IN)) {
                        if (w->ossdev < 0)
                                continue;
                        found = hdaa_audio_ctl_source_amp(devinfo, w->nid, -1,
                            w->ossdev, 1, 0, &minamp, &maxamp);
                        hdaa_adjust_amp(w, w->ossdev, found, minamp, maxamp);
                } else if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT) {
                        found = hdaa_audio_ctl_dest_amp(devinfo, w->nid, -1,
                            SOUND_MIXER_RECLEV, 0, &minamp, &maxamp);
                        hdaa_adjust_amp(w, SOUND_MIXER_RECLEV, found, minamp, maxamp);
                } else if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
                    as[w->bindas].dir == HDAA_CTL_OUT) {
                        found = hdaa_audio_ctl_dest_amp(devinfo, w->nid, -1,
                            SOUND_MIXER_VOLUME, 0, &minamp, &maxamp);
                        hdaa_adjust_amp(w, SOUND_MIXER_VOLUME, found, minamp, maxamp);
                }
                if (w->ossdev == SOUND_MIXER_IMIX) {
                        minamp = maxamp = 0;
                        found = hdaa_audio_ctl_source_amp(devinfo, w->nid, -1,
                            w->ossdev, 1, 0, &minamp, &maxamp);
                        if (minamp == maxamp) {
                                /* If we are unable to control input monitor
                                   as source - try to control it as destination. */
                                found += hdaa_audio_ctl_dest_amp(devinfo, w->nid, -1,
                                    w->ossdev, 0, &minamp, &maxamp);
                                w->pflags |= HDAA_IMIX_AS_DST;
                        }
                        hdaa_adjust_amp(w, w->ossdev, found, minamp, maxamp);
                }
                if (w->pflags & HDAA_ADC_MONITOR) {
                        for (j = 0; j < w->nconns; j++) {
                                if (!w->connsenable[j])
                                    continue;
                                cw = hdaa_widget_get(devinfo, w->conns[j]);
                                if (cw == NULL || cw->enable == 0)
                                    continue;
                                if (cw->bindas == -1)
                                    continue;
                                if (cw->bindas >= 0 &&
                                    as[cw->bindas].dir != HDAA_CTL_IN)
                                        continue;
                                minamp = maxamp = 0;
                                found = hdaa_audio_ctl_dest_amp(devinfo,
                                    w->nid, j, SOUND_MIXER_IGAIN, 0,
                                    &minamp, &maxamp);
                                hdaa_adjust_amp(w, SOUND_MIXER_IGAIN,
                                    found, minamp, maxamp);
                        }
                }
        }
}

static void
hdaa_audio_prepare_pin_ctrl(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w;
        uint32_t pincap;
        int i;

        for (i = 0; i < devinfo->nodecnt; i++) {
                w = &devinfo->widget[i];
                if (w == NULL)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX &&
                    w->waspin == 0)
                        continue;

                pincap = w->wclass.pin.cap;

                /* Disable everything. */
                if (devinfo->init_clear) {
                        w->wclass.pin.ctrl &= ~(
                        HDA_CMD_SET_PIN_WIDGET_CTRL_HPHN_ENABLE |
                        HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE |
                        HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE |
                        HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK);
                }

                if (w->enable == 0) {
                        /* Pin is unused so left it disabled. */
                        continue;
                } else if (w->waspin) {
                        /* Enable input for beeper input. */
                        w->wclass.pin.ctrl |=
                            HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE;
                } else if (w->bindas < 0 || as[w->bindas].enable == 0) {
                        /* Pin is unused so left it disabled. */
                        continue;
                } else if (as[w->bindas].dir == HDAA_CTL_IN) {
                        /* Input pin, configure for input. */
                        if (HDA_PARAM_PIN_CAP_INPUT_CAP(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE;

                        if ((devinfo->quirks & HDAA_QUIRK_IVREF100) &&
                            HDA_PARAM_PIN_CAP_VREF_CTRL_100(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE(
                                    HDA_CMD_PIN_WIDGET_CTRL_VREF_ENABLE_100);
                        else if ((devinfo->quirks & HDAA_QUIRK_IVREF80) &&
                            HDA_PARAM_PIN_CAP_VREF_CTRL_80(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE(
                                    HDA_CMD_PIN_WIDGET_CTRL_VREF_ENABLE_80);
                        else if ((devinfo->quirks & HDAA_QUIRK_IVREF50) &&
                            HDA_PARAM_PIN_CAP_VREF_CTRL_50(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE(
                                    HDA_CMD_PIN_WIDGET_CTRL_VREF_ENABLE_50);
                } else {
                        /* Output pin, configure for output. */
                        if (HDA_PARAM_PIN_CAP_OUTPUT_CAP(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE;

                        if (HDA_PARAM_PIN_CAP_HEADPHONE_CAP(pincap) &&
                            (w->wclass.pin.config &
                            HDA_CONFIG_DEFAULTCONF_DEVICE_MASK) ==
                            HDA_CONFIG_DEFAULTCONF_DEVICE_HP_OUT)
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_HPHN_ENABLE;

                        if ((devinfo->quirks & HDAA_QUIRK_OVREF100) &&
                            HDA_PARAM_PIN_CAP_VREF_CTRL_100(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE(
                                    HDA_CMD_PIN_WIDGET_CTRL_VREF_ENABLE_100);
                        else if ((devinfo->quirks & HDAA_QUIRK_OVREF80) &&
                            HDA_PARAM_PIN_CAP_VREF_CTRL_80(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE(
                                    HDA_CMD_PIN_WIDGET_CTRL_VREF_ENABLE_80);
                        else if ((devinfo->quirks & HDAA_QUIRK_OVREF50) &&
                            HDA_PARAM_PIN_CAP_VREF_CTRL_50(pincap))
                                w->wclass.pin.ctrl |=
                                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE(
                                    HDA_CMD_PIN_WIDGET_CTRL_VREF_ENABLE_50);
                }
        }
}

static void
hdaa_audio_ctl_commit(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_ctl *ctl;
        int i, z;

        i = 0;
        while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                if (ctl->enable == 0 || ctl->ossmask != 0) {
                        /* Mute disabled and mixer controllable controls.
                         * Last will be initialized by mixer_init().
                         * This expected to reduce click on startup. */
                        hdaa_audio_ctl_amp_set(ctl, HDAA_AMP_MUTE_ALL, 0, 0);
                        continue;
                }
                /* Init fixed controls to 0dB amplification. */
                z = ctl->offset;
                if (z > ctl->step)
                        z = ctl->step;
                hdaa_audio_ctl_amp_set(ctl, HDAA_AMP_MUTE_NONE, z, z);
        }
}

static void
hdaa_gpio_commit(struct hdaa_devinfo *devinfo)
{
        uint32_t gdata, gmask, gdir;
        int i, numgpio;

        numgpio = HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap);
        if (devinfo->gpio != 0 && numgpio != 0) {
                gdata = hda_command(devinfo->dev,
                    HDA_CMD_GET_GPIO_DATA(0, devinfo->nid));
                gmask = hda_command(devinfo->dev,
                    HDA_CMD_GET_GPIO_ENABLE_MASK(0, devinfo->nid));
                gdir = hda_command(devinfo->dev,
                    HDA_CMD_GET_GPIO_DIRECTION(0, devinfo->nid));
                for (i = 0; i < numgpio; i++) {
                        if ((devinfo->gpio & HDAA_GPIO_MASK(i)) ==
                            HDAA_GPIO_SET(i)) {
                                gdata |= (1 << i);
                                gmask |= (1 << i);
                                gdir |= (1 << i);
                        } else if ((devinfo->gpio & HDAA_GPIO_MASK(i)) ==
                            HDAA_GPIO_CLEAR(i)) {
                                gdata &= ~(1 << i);
                                gmask |= (1 << i);
                                gdir |= (1 << i);
                        } else if ((devinfo->gpio & HDAA_GPIO_MASK(i)) ==
                            HDAA_GPIO_DISABLE(i)) {
                                gmask &= ~(1 << i);
                        } else if ((devinfo->gpio & HDAA_GPIO_MASK(i)) ==
                            HDAA_GPIO_INPUT(i)) {
                                gmask |= (1 << i);
                                gdir &= ~(1 << i);
                        }
                }
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev, "GPIO commit\n");
                );
                hda_command(devinfo->dev,
                    HDA_CMD_SET_GPIO_ENABLE_MASK(0, devinfo->nid, gmask));
                hda_command(devinfo->dev,
                    HDA_CMD_SET_GPIO_DIRECTION(0, devinfo->nid, gdir));
                hda_command(devinfo->dev,
                    HDA_CMD_SET_GPIO_DATA(0, devinfo->nid, gdata));
                HDA_BOOTVERBOSE(
                        hdaa_dump_gpio(devinfo);
                );
        }
}

static void
hdaa_gpo_commit(struct hdaa_devinfo *devinfo)
{
        uint32_t gdata;
        int i, numgpo;

        numgpo = HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap);
        if (devinfo->gpo != 0 && numgpo != 0) {
                gdata = hda_command(devinfo->dev,
                    HDA_CMD_GET_GPO_DATA(0, devinfo->nid));
                for (i = 0; i < numgpo; i++) {
                        if ((devinfo->gpio & HDAA_GPIO_MASK(i)) ==
                            HDAA_GPIO_SET(i)) {
                                gdata |= (1 << i);
                        } else if ((devinfo->gpio & HDAA_GPIO_MASK(i)) ==
                            HDAA_GPIO_CLEAR(i)) {
                                gdata &= ~(1 << i);
                        }
                }
                HDA_BOOTVERBOSE(
                        device_printf(devinfo->dev, "GPO commit\n");
                );
                hda_command(devinfo->dev,
                    HDA_CMD_SET_GPO_DATA(0, devinfo->nid, gdata));
                HDA_BOOTVERBOSE(
                        hdaa_dump_gpo(devinfo);
                );
        }
}

static void
hdaa_audio_commit(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        int i;

        /* Commit controls. */
        hdaa_audio_ctl_commit(devinfo);

        /* Commit selectors, pins and EAPD. */
        for (i = 0; i < devinfo->nodecnt; i++) {
                w = &devinfo->widget[i];
                if (w == NULL)
                        continue;
                if (w->selconn == -1)
                        w->selconn = 0;
                if (w->nconns > 0)
                        hdaa_widget_connection_select(w, w->selconn);
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX ||
                    w->waspin) {
                        hda_command(devinfo->dev,
                            HDA_CMD_SET_PIN_WIDGET_CTRL(0, w->nid,
                            w->wclass.pin.ctrl));
                }
                if (w->param.eapdbtl != HDA_INVALID) {
                        uint32_t val;

                        val = w->param.eapdbtl;
                        if (devinfo->quirks &
                            HDAA_QUIRK_EAPDINV)
                                val ^= HDA_CMD_SET_EAPD_BTL_ENABLE_EAPD;
                        hda_command(devinfo->dev,
                            HDA_CMD_SET_EAPD_BTL_ENABLE(0, w->nid,
                            val));
                }
        }

        hdaa_gpio_commit(devinfo);
        hdaa_gpo_commit(devinfo);
}

static void
hdaa_powerup(struct hdaa_devinfo *devinfo)
{
        int i;

        hda_command(devinfo->dev,
            HDA_CMD_SET_POWER_STATE(0,
            devinfo->nid, HDA_CMD_POWER_STATE_D0));
        DELAY(100);

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                hda_command(devinfo->dev,
                    HDA_CMD_SET_POWER_STATE(0,
                    i, HDA_CMD_POWER_STATE_D0));
        }
        DELAY(1000);
}

static int
hdaa_pcmchannel_setup(struct hdaa_chan *ch)
{
        struct hdaa_devinfo *devinfo = ch->devinfo;
        struct hdaa_audio_as *as = devinfo->as;
        struct hdaa_widget *w;
        uint32_t cap, fmtcap, pcmcap;
        int i, j, ret, channels, onlystereo;
        uint16_t pinset;

        ch->caps = hdaa_caps;
        ch->caps.fmtlist = ch->fmtlist;
        ch->bit16 = 1;
        ch->bit32 = 0;
        ch->pcmrates[0] = 48000;
        ch->pcmrates[1] = 0;
        ch->stripecap = 0xff;

        ret = 0;
        channels = 0;
        onlystereo = 1;
        pinset = 0;
        fmtcap = devinfo->supp_stream_formats;
        pcmcap = devinfo->supp_pcm_size_rate;

        for (i = 0; i < 16; i++) {
                /* Check as is correct */
                if (ch->as < 0)
                        break;
                /* Cound only present DACs */
                if (as[ch->as].dacs[ch->asindex][i] <= 0)
                        continue;
                /* Ignore duplicates */
                for (j = 0; j < ret; j++) {
                        if (ch->io[j] == as[ch->as].dacs[ch->asindex][i])
                                break;
                }
                if (j < ret)
                        continue;

                w = hdaa_widget_get(devinfo, as[ch->as].dacs[ch->asindex][i]);
                if (w == NULL || w->enable == 0)
                        continue;
                cap = w->param.supp_stream_formats;
                if (!HDA_PARAM_SUPP_STREAM_FORMATS_PCM(cap) &&
                    !HDA_PARAM_SUPP_STREAM_FORMATS_AC3(cap))
                        continue;
                /* Many CODECs does not declare AC3 support on SPDIF.
                   I don't beleave that they doesn't support it! */
                if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap))
                        cap |= HDA_PARAM_SUPP_STREAM_FORMATS_AC3_MASK;
                if (ret == 0) {
                        fmtcap = cap;
                        pcmcap = w->param.supp_pcm_size_rate;
                } else {
                        fmtcap &= cap;
                        pcmcap &= w->param.supp_pcm_size_rate;
                }
                ch->io[ret++] = as[ch->as].dacs[ch->asindex][i];
                ch->stripecap &= w->wclass.conv.stripecap;
                /* Do not count redirection pin/dac channels. */
                if (i == 15 && as[ch->as].hpredir >= 0)
                        continue;
                channels += HDA_PARAM_AUDIO_WIDGET_CAP_CC(w->param.widget_cap) + 1;
                if (HDA_PARAM_AUDIO_WIDGET_CAP_CC(w->param.widget_cap) != 1)
                        onlystereo = 0;
                pinset |= (1 << i);
        }
        ch->io[ret] = -1;
        ch->channels = channels;

        if (as[ch->as].fakeredir)
                ret--;
        /* Standard speaks only about stereo pins and playback, ... */
        if ((!onlystereo) || as[ch->as].mixed)
                pinset = 0;
        /* ..., but there it gives us info about speakers layout. */
        as[ch->as].pinset = pinset;

        ch->supp_stream_formats = fmtcap;
        ch->supp_pcm_size_rate = pcmcap;

        /*
         *  8bit = 0
         * 16bit = 1
         * 20bit = 2
         * 24bit = 3
         * 32bit = 4
         */
        if (ret > 0) {
                i = 0;
                if (HDA_PARAM_SUPP_STREAM_FORMATS_PCM(fmtcap)) {
                        if (HDA_PARAM_SUPP_PCM_SIZE_RATE_16BIT(pcmcap))
                                ch->bit16 = 1;
                        else if (HDA_PARAM_SUPP_PCM_SIZE_RATE_8BIT(pcmcap))
                                ch->bit16 = 0;
                        if (HDA_PARAM_SUPP_PCM_SIZE_RATE_24BIT(pcmcap))
                                ch->bit32 = 3;
                        else if (HDA_PARAM_SUPP_PCM_SIZE_RATE_20BIT(pcmcap))
                                ch->bit32 = 2;
                        else if (HDA_PARAM_SUPP_PCM_SIZE_RATE_32BIT(pcmcap))
                                ch->bit32 = 4;
                        if (!(devinfo->quirks & HDAA_QUIRK_FORCESTEREO)) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 1, 0);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 1, 0);
                        }
                        if (channels >= 2) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 2, 0);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 2, 0);
                        }
                        if (channels >= 3 && !onlystereo) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 3, 0);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 3, 0);
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 3, 1);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 3, 1);
                        }
                        if (channels >= 4) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 4, 0);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 4, 0);
                                if (!onlystereo) {
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 4, 1);
                                        if (ch->bit32)
                                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 4, 1);
                                }
                        }
                        if (channels >= 5 && !onlystereo) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 5, 0);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 5, 0);
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 5, 1);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 5, 1);
                        }
                        if (channels >= 6) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 6, 1);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 6, 1);
                                if (!onlystereo) {
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 6, 0);
                                        if (ch->bit32)
                                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 6, 0);
                                }
                        }
                        if (channels >= 7 && !onlystereo) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 7, 0);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 7, 0);
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 7, 1);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 7, 1);
                        }
                        if (channels >= 8) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_S16_LE, 8, 1);
                                if (ch->bit32)
                                        ch->fmtlist[i++] = SND_FORMAT(AFMT_S32_LE, 8, 1);
                        }
                }
                if (HDA_PARAM_SUPP_STREAM_FORMATS_AC3(fmtcap)) {
                        ch->fmtlist[i++] = SND_FORMAT(AFMT_AC3, 2, 0);
                        if (channels >= 8) {
                                ch->fmtlist[i++] = SND_FORMAT(AFMT_AC3, 8, 1);
                        }
                }
                ch->fmtlist[i] = 0;
                i = 0;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_8KHZ(pcmcap))
                        ch->pcmrates[i++] = 8000;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_11KHZ(pcmcap))
                        ch->pcmrates[i++] = 11025;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_16KHZ(pcmcap))
                        ch->pcmrates[i++] = 16000;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_22KHZ(pcmcap))
                        ch->pcmrates[i++] = 22050;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_32KHZ(pcmcap))
                        ch->pcmrates[i++] = 32000;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_44KHZ(pcmcap))
                        ch->pcmrates[i++] = 44100;
                /* if (HDA_PARAM_SUPP_PCM_SIZE_RATE_48KHZ(pcmcap)) */
                ch->pcmrates[i++] = 48000;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_88KHZ(pcmcap))
                        ch->pcmrates[i++] = 88200;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_96KHZ(pcmcap))
                        ch->pcmrates[i++] = 96000;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_176KHZ(pcmcap))
                        ch->pcmrates[i++] = 176400;
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_192KHZ(pcmcap))
                        ch->pcmrates[i++] = 192000;
                /* if (HDA_PARAM_SUPP_PCM_SIZE_RATE_384KHZ(pcmcap)) */
                ch->pcmrates[i] = 0;
                if (i > 0) {
                        ch->caps.minspeed = ch->pcmrates[0];
                        ch->caps.maxspeed = ch->pcmrates[i - 1];
                }
        }

        return (ret);
}

static void
hdaa_prepare_pcms(struct hdaa_devinfo *devinfo)
{
        struct hdaa_audio_as *as = devinfo->as;
        int i, j, k, apdev = 0, ardev = 0, dpdev = 0, drdev = 0;

        for (i = 0; i < devinfo->ascnt; i++) {
                if (as[i].enable == 0)
                        continue;
                if (as[i].dir == HDAA_CTL_IN) {
                        if (as[i].digital)
                                drdev++;
                        else
                                ardev++;
                } else {
                        if (as[i].digital)
                                dpdev++;
                        else
                                apdev++;
                }
        }
        devinfo->num_devs =
            max(ardev, apdev) + max(drdev, dpdev);
        devinfo->devs = malloc(devinfo->num_devs *
            sizeof(struct hdaa_pcm_devinfo), M_HDAA, M_ZERO | M_NOWAIT);
        if (devinfo->devs == NULL) {
                device_printf(devinfo->dev,
                    "Unable to allocate memory for devices\n");
                return;
        }
        for (i = 0; i < devinfo->num_devs; i++) {
                devinfo->devs[i].index = i;
                devinfo->devs[i].devinfo = devinfo;
                devinfo->devs[i].playas = -1;
                devinfo->devs[i].recas = -1;
                devinfo->devs[i].digital = 255;
        }
        for (i = 0; i < devinfo->ascnt; i++) {
                if (as[i].enable == 0)
                        continue;
                for (j = 0; j < devinfo->num_devs; j++) {
                        if (devinfo->devs[j].digital != 255 &&
                            (!devinfo->devs[j].digital) !=
                            (!as[i].digital))
                                continue;
                        if (as[i].dir == HDAA_CTL_IN) {
                                if (devinfo->devs[j].recas >= 0)
                                        continue;
                                devinfo->devs[j].recas = i;
                        } else {
                                if (devinfo->devs[j].playas >= 0)
                                        continue;
                                devinfo->devs[j].playas = i;
                        }
                        as[i].pdevinfo = &devinfo->devs[j];
                        for (k = 0; k < as[i].num_chans; k++) {
                                devinfo->chans[as[i].chans[k]].pdevinfo =
                                    &devinfo->devs[j];
                        }
                        devinfo->devs[j].digital = as[i].digital;
                        break;
                }
        }
}

static void
hdaa_create_pcms(struct hdaa_devinfo *devinfo)
{
        int i;

        for (i = 0; i < devinfo->num_devs; i++) {
                struct hdaa_pcm_devinfo *pdevinfo = &devinfo->devs[i];

                pdevinfo->dev = device_add_child(devinfo->dev, "pcm", DEVICE_UNIT_ANY);
                device_set_ivars(pdevinfo->dev, (void *)pdevinfo);
        }
}

static void
hdaa_dump_ctls(struct hdaa_pcm_devinfo *pdevinfo, const char *banner, uint32_t flag)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_audio_ctl *ctl;
        char buf[64];
        int i, j, printed = 0;

        if (flag == 0) {
                flag = ~(SOUND_MASK_VOLUME | SOUND_MASK_PCM |
                    SOUND_MASK_CD | SOUND_MASK_LINE | SOUND_MASK_RECLEV |
                    SOUND_MASK_MIC | SOUND_MASK_SPEAKER | SOUND_MASK_IGAIN |
                    SOUND_MASK_OGAIN | SOUND_MASK_IMIX | SOUND_MASK_MONITOR);
        }

        for (j = 0; j < SOUND_MIXER_NRDEVICES; j++) {
                if ((flag & (1 << j)) == 0)
                        continue;
                i = 0;
                printed = 0;
                while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                        if (ctl->enable == 0 ||
                            ctl->widget->enable == 0)
                                continue;
                        if (!((pdevinfo->playas >= 0 &&
                            ctl->widget->bindas == pdevinfo->playas) ||
                            (pdevinfo->recas >= 0 &&
                            ctl->widget->bindas == pdevinfo->recas) ||
                            (ctl->widget->bindas == -2 && pdevinfo->index == 0)))
                                continue;
                        if ((ctl->ossmask & (1 << j)) == 0)
                                continue;

                        if (printed == 0) {
                                if (banner != NULL) {
                                        device_printf(pdevinfo->dev, "%s", banner);
                                } else {
                                        device_printf(pdevinfo->dev, "Unknown Ctl");
                                }
                                printf(" (OSS: %s)",
                                    hdaa_audio_ctl_ossmixer_mask2allname(1 << j,
                                    buf, sizeof(buf)));
                                if (pdevinfo->ossmask & (1 << j)) {
                                        printf(": %+d/%+ddB\n",
                                            pdevinfo->minamp[j] / 4,
                                            pdevinfo->maxamp[j] / 4);
                                } else
                                        printf("\n");
                                printed = 1;
                        }
                        device_printf(pdevinfo->dev, "   +- ctl %2d (nid %3d %s", i,
                                ctl->widget->nid,
                                (ctl->ndir == HDAA_CTL_IN)?"in ":"out");
                        if (ctl->ndir == HDAA_CTL_IN && ctl->ndir == ctl->dir)
                                printf(" %2d): ", ctl->index);
                        else
                                printf("):    ");
                        if (ctl->step > 0) {
                                printf("%+d/%+ddB (%d steps)%s\n",
                                    MINQDB(ctl) / 4,
                                    MAXQDB(ctl) / 4,
                                    ctl->step + 1,
                                    ctl->mute?" + mute":"");
                        } else
                                printf("%s\n", ctl->mute?"mute":"");
                }
        }
        if (printed)
                device_printf(pdevinfo->dev, "\n");
}

static void
hdaa_dump_audio_formats(device_t dev, uint32_t fcap, uint32_t pcmcap)
{
        uint32_t cap;

        cap = fcap;
        if (cap != 0) {
                device_printf(dev, "     Stream cap: 0x%08x", cap);
                if (HDA_PARAM_SUPP_STREAM_FORMATS_AC3(cap))
                        printf(" AC3");
                if (HDA_PARAM_SUPP_STREAM_FORMATS_FLOAT32(cap))
                        printf(" FLOAT32");
                if (HDA_PARAM_SUPP_STREAM_FORMATS_PCM(cap))
                        printf(" PCM");
                printf("\n");
        }
        cap = pcmcap;
        if (cap != 0) {
                device_printf(dev, "        PCM cap: 0x%08x", cap);
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_8BIT(cap))
                        printf(" 8");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_16BIT(cap))
                        printf(" 16");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_20BIT(cap))
                        printf(" 20");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_24BIT(cap))
                        printf(" 24");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_32BIT(cap))
                        printf(" 32");
                printf(" bits,");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_8KHZ(cap))
                        printf(" 8");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_11KHZ(cap))
                        printf(" 11");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_16KHZ(cap))
                        printf(" 16");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_22KHZ(cap))
                        printf(" 22");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_32KHZ(cap))
                        printf(" 32");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_44KHZ(cap))
                        printf(" 44");
                printf(" 48");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_88KHZ(cap))
                        printf(" 88");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_96KHZ(cap))
                        printf(" 96");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_176KHZ(cap))
                        printf(" 176");
                if (HDA_PARAM_SUPP_PCM_SIZE_RATE_192KHZ(cap))
                        printf(" 192");
                printf(" KHz\n");
        }
}

static void
hdaa_dump_pin(struct hdaa_widget *w)
{
        uint32_t pincap;

        pincap = w->wclass.pin.cap;

        device_printf(w->devinfo->dev, "        Pin cap: 0x%08x", pincap);
        if (HDA_PARAM_PIN_CAP_IMP_SENSE_CAP(pincap))
                printf(" ISC");
        if (HDA_PARAM_PIN_CAP_TRIGGER_REQD(pincap))
                printf(" TRQD");
        if (HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP(pincap))
                printf(" PDC");
        if (HDA_PARAM_PIN_CAP_HEADPHONE_CAP(pincap))
                printf(" HP");
        if (HDA_PARAM_PIN_CAP_OUTPUT_CAP(pincap))
                printf(" OUT");
        if (HDA_PARAM_PIN_CAP_INPUT_CAP(pincap))
                printf(" IN");
        if (HDA_PARAM_PIN_CAP_BALANCED_IO_PINS(pincap))
                printf(" BAL");
        if (HDA_PARAM_PIN_CAP_HDMI(pincap))
                printf(" HDMI");
        if (HDA_PARAM_PIN_CAP_VREF_CTRL(pincap)) {
                printf(" VREF[");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_50(pincap))
                        printf(" 50");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_80(pincap))
                        printf(" 80");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_100(pincap))
                        printf(" 100");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_GROUND(pincap))
                        printf(" GROUND");
                if (HDA_PARAM_PIN_CAP_VREF_CTRL_HIZ(pincap))
                        printf(" HIZ");
                printf(" ]");
        }
        if (HDA_PARAM_PIN_CAP_EAPD_CAP(pincap))
                printf(" EAPD");
        if (HDA_PARAM_PIN_CAP_DP(pincap))
                printf(" DP");
        if (HDA_PARAM_PIN_CAP_HBR(pincap))
                printf(" HBR");
        printf("\n");
        device_printf(w->devinfo->dev, "     Pin config: 0x%08x\n",
            w->wclass.pin.config);
        device_printf(w->devinfo->dev, "    Pin control: 0x%08x", w->wclass.pin.ctrl);
        if (w->wclass.pin.ctrl & HDA_CMD_SET_PIN_WIDGET_CTRL_HPHN_ENABLE)
                printf(" HP");
        if (w->wclass.pin.ctrl & HDA_CMD_SET_PIN_WIDGET_CTRL_IN_ENABLE)
                printf(" IN");
        if (w->wclass.pin.ctrl & HDA_CMD_SET_PIN_WIDGET_CTRL_OUT_ENABLE)
                printf(" OUT");
        if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap)) {
                if ((w->wclass.pin.ctrl &
                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK) == 0x03)
                        printf(" HBR");
                else if ((w->wclass.pin.ctrl &
                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK) != 0)
                        printf(" EPTs");
        } else {
                if ((w->wclass.pin.ctrl &
                    HDA_CMD_SET_PIN_WIDGET_CTRL_VREF_ENABLE_MASK) != 0)
                        printf(" VREFs");
        }
        printf("\n");
}

static void
hdaa_dump_pin_config(struct hdaa_widget *w, uint32_t conf)
{

        device_printf(w->devinfo->dev, "%2d %08x %-2d %-2d "
            "%-13s %-5s %-7s %-10s %-7s %d%s\n",
            w->nid, conf,
            HDA_CONFIG_DEFAULTCONF_ASSOCIATION(conf),
            HDA_CONFIG_DEFAULTCONF_SEQUENCE(conf),
            HDA_DEVS[HDA_CONFIG_DEFAULTCONF_DEVICE(conf)],
            HDA_CONNS[HDA_CONFIG_DEFAULTCONF_CONNECTIVITY(conf)],
            HDA_CONNECTORS[HDA_CONFIG_DEFAULTCONF_CONNECTION_TYPE(conf)],
            HDA_LOCS[HDA_CONFIG_DEFAULTCONF_LOCATION(conf)],
            HDA_COLORS[HDA_CONFIG_DEFAULTCONF_COLOR(conf)],
            HDA_CONFIG_DEFAULTCONF_MISC(conf),
            (w->enable == 0)?" DISA":"");
}

static void
hdaa_dump_pin_configs(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w;
        int i;

        device_printf(devinfo->dev, "nid   0x    as seq "
            "device       conn  jack    loc        color   misc\n");
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                hdaa_dump_pin_config(w, w->wclass.pin.config);
        }
}

static void
hdaa_dump_amp(device_t dev, uint32_t cap, const char *banner)
{
        int offset, size, step;

        offset = HDA_PARAM_OUTPUT_AMP_CAP_OFFSET(cap);
        size = HDA_PARAM_OUTPUT_AMP_CAP_STEPSIZE(cap);
        step = HDA_PARAM_OUTPUT_AMP_CAP_NUMSTEPS(cap);
        device_printf(dev, "     %s amp: 0x%08x "
            "mute=%d step=%d size=%d offset=%d (%+d/%+ddB)\n",
            banner, cap,
            HDA_PARAM_OUTPUT_AMP_CAP_MUTE_CAP(cap),
            step, size, offset,
            ((0 - offset) * (size + 1)) / 4,
            ((step - offset) * (size + 1)) / 4);
}

static void
hdaa_dump_nodes(struct hdaa_devinfo *devinfo)
{
        struct hdaa_widget *w, *cw;
        char buf[64];
        int i, j;

        device_printf(devinfo->dev, "\n");
        device_printf(devinfo->dev, "Default parameters:\n");
        hdaa_dump_audio_formats(devinfo->dev,
            devinfo->supp_stream_formats,
            devinfo->supp_pcm_size_rate);
        hdaa_dump_amp(devinfo->dev, devinfo->inamp_cap, " Input");
        hdaa_dump_amp(devinfo->dev, devinfo->outamp_cap, "Output");
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL) {
                        device_printf(devinfo->dev, "Ghost widget nid=%d\n", i);
                        continue;
                }
                device_printf(devinfo->dev, "\n");
                device_printf(devinfo->dev, "            nid: %d%s\n", w->nid,
                    (w->enable == 0) ? " [DISABLED]" : "");
                device_printf(devinfo->dev, "           Name: %s\n", w->name);
                device_printf(devinfo->dev, "     Widget cap: 0x%08x",
                    w->param.widget_cap);
                if (w->param.widget_cap & 0x0ee1) {
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_LR_SWAP(w->param.widget_cap))
                            printf(" LRSWAP");
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_POWER_CTRL(w->param.widget_cap))
                            printf(" PWR");
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap))
                            printf(" DIGITAL");
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_UNSOL_CAP(w->param.widget_cap))
                            printf(" UNSOL");
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_PROC_WIDGET(w->param.widget_cap))
                            printf(" PROC");
                        if (HDA_PARAM_AUDIO_WIDGET_CAP_STRIPE(w->param.widget_cap))
                            printf(" STRIPE(x%d)",
                                1 << (fls(w->wclass.conv.stripecap) - 1));
                        j = HDA_PARAM_AUDIO_WIDGET_CAP_CC(w->param.widget_cap);
                        if (j == 1)
                            printf(" STEREO");
                        else if (j > 1)
                            printf(" %dCH", j + 1);
                }
                printf("\n");
                if (w->bindas != -1) {
                        device_printf(devinfo->dev, "    Association: %d (0x%04x)\n",
                            w->bindas, w->bindseqmask);
                }
                if (w->ossmask != 0 || w->ossdev >= 0) {
                        device_printf(devinfo->dev, "            OSS: %s",
                            hdaa_audio_ctl_ossmixer_mask2allname(w->ossmask, buf, sizeof(buf)));
                        if (w->ossdev >= 0)
                            printf(" (%s)", ossnames[w->ossdev]);
                        printf("\n");
                }
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_OUTPUT ||
                    w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT) {
                        hdaa_dump_audio_formats(devinfo->dev,
                            w->param.supp_stream_formats,
                            w->param.supp_pcm_size_rate);
                } else if (w->type ==
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX || w->waspin)
                        hdaa_dump_pin(w);
                if (w->param.eapdbtl != HDA_INVALID)
                        device_printf(devinfo->dev, "           EAPD: 0x%08x\n",
                            w->param.eapdbtl);
                if (HDA_PARAM_AUDIO_WIDGET_CAP_OUT_AMP(w->param.widget_cap) &&
                    w->param.outamp_cap != 0)
                        hdaa_dump_amp(devinfo->dev, w->param.outamp_cap, "Output");
                if (HDA_PARAM_AUDIO_WIDGET_CAP_IN_AMP(w->param.widget_cap) &&
                    w->param.inamp_cap != 0)
                        hdaa_dump_amp(devinfo->dev, w->param.inamp_cap, " Input");
                if (w->nconns > 0)
                        device_printf(devinfo->dev, "    Connections: %d\n", w->nconns);
                for (j = 0; j < w->nconns; j++) {
                        cw = hdaa_widget_get(devinfo, w->conns[j]);
                        device_printf(devinfo->dev, "          + %s<- nid=%d [%s]",
                            (w->connsenable[j] == 0)?"[DISABLED] ":"",
                            w->conns[j], (cw == NULL) ? "GHOST!" : cw->name);
                        if (cw == NULL)
                                printf(" [UNKNOWN]");
                        else if (cw->enable == 0)
                                printf(" [DISABLED]");
                        if (w->nconns > 1 && w->selconn == j && w->type !=
                            HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_MIXER)
                                printf(" (selected)");
                        printf("\n");
                }
        }

}

static void
hdaa_dump_dst_nid(struct hdaa_pcm_devinfo *pdevinfo, nid_t nid, int depth)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w, *cw;
        char buf[64];
        int i;

        if (depth > HDA_PARSE_MAXDEPTH)
                return;

        w = hdaa_widget_get(devinfo, nid);
        if (w == NULL || w->enable == 0)
                return;

        if (depth == 0)
                device_printf(pdevinfo->dev, "%*s", 4, "");
        else
                device_printf(pdevinfo->dev, "%*s  + <- ", 4 + (depth - 1) * 7, "");
        printf("nid=%d [%s]", w->nid, w->name);

        if (depth > 0) {
                if (w->ossmask == 0) {
                        printf("\n");
                        return;
                }
                printf(" [src: %s]",
                    hdaa_audio_ctl_ossmixer_mask2allname(
                        w->ossmask, buf, sizeof(buf)));
                if (w->ossdev >= 0) {
                        printf("\n");
                        return;
                }
        }
        printf("\n");

        for (i = 0; i < w->nconns; i++) {
                if (w->connsenable[i] == 0)
                        continue;
                cw = hdaa_widget_get(devinfo, w->conns[i]);
                if (cw == NULL || cw->enable == 0 || cw->bindas == -1)
                        continue;
                hdaa_dump_dst_nid(pdevinfo, w->conns[i], depth + 1);
        }

}

static void
hdaa_dump_dac(struct hdaa_pcm_devinfo *pdevinfo)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_audio_as *as;
        struct hdaa_widget *w;
        nid_t *nids;
        int chid, i;

        if (pdevinfo->playas < 0)
                return;

        device_printf(pdevinfo->dev, "Playback:\n");

        chid = devinfo->as[pdevinfo->playas].chans[0];
        hdaa_dump_audio_formats(pdevinfo->dev,
            devinfo->chans[chid].supp_stream_formats,
            devinfo->chans[chid].supp_pcm_size_rate);
        for (i = 0; i < devinfo->as[pdevinfo->playas].num_chans; i++) {
                chid = devinfo->as[pdevinfo->playas].chans[i];
                device_printf(pdevinfo->dev, "            DAC:");
                for (nids = devinfo->chans[chid].io; *nids != -1; nids++)
                        printf(" %d", *nids);
                printf("\n");
        }

        as = &devinfo->as[pdevinfo->playas];
        for (i = 0; i < 16; i++) {
                if (as->pins[i] <= 0)
                        continue;
                w = hdaa_widget_get(devinfo, as->pins[i]);
                if (w == NULL || w->enable == 0)
                        continue;
                device_printf(pdevinfo->dev, "\n");
                hdaa_dump_dst_nid(pdevinfo, as->pins[i], 0);
        }
        device_printf(pdevinfo->dev, "\n");
}

static void
hdaa_dump_adc(struct hdaa_pcm_devinfo *pdevinfo)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w;
        nid_t *nids;
        int chid, i;

        if (pdevinfo->recas < 0)
                return;

        device_printf(pdevinfo->dev, "Record:\n");

        chid = devinfo->as[pdevinfo->recas].chans[0];
        hdaa_dump_audio_formats(pdevinfo->dev,
            devinfo->chans[chid].supp_stream_formats,
            devinfo->chans[chid].supp_pcm_size_rate);
        for (i = 0; i < devinfo->as[pdevinfo->recas].num_chans; i++) {
                chid = devinfo->as[pdevinfo->recas].chans[i];
                device_printf(pdevinfo->dev, "            ADC:");
                for (nids = devinfo->chans[chid].io; *nids != -1; nids++)
                        printf(" %d", *nids);
                printf("\n");
        }

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->type != HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_AUDIO_INPUT)
                        continue;
                if (w->bindas != pdevinfo->recas)
                        continue;
                device_printf(pdevinfo->dev, "\n");
                hdaa_dump_dst_nid(pdevinfo, i, 0);
        }
        device_printf(pdevinfo->dev, "\n");
}

static void
hdaa_dump_mix(struct hdaa_pcm_devinfo *pdevinfo)
{
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_widget *w;
        int i;
        int printed = 0;

        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0)
                        continue;
                if (w->ossdev != SOUND_MIXER_IMIX)
                        continue;
                if (w->bindas != pdevinfo->recas)
                        continue;
                if (printed == 0) {
                        printed = 1;
                        device_printf(pdevinfo->dev, "Input Mix:\n");
                }
                device_printf(pdevinfo->dev, "\n");
                hdaa_dump_dst_nid(pdevinfo, i, 0);
        }
        if (printed)
                device_printf(pdevinfo->dev, "\n");
}

static void
hdaa_pindump(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_widget *w;
        uint32_t res, pincap, delay;
        int i;

        device_printf(dev, "Dumping AFG pins:\n");
        device_printf(dev, "nid   0x    as seq "
            "device       conn  jack    loc        color   misc\n");
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                hdaa_dump_pin_config(w, w->wclass.pin.config);
                pincap = w->wclass.pin.cap;
                device_printf(dev, "    Caps: %2s %3s %2s %4s %4s",
                    HDA_PARAM_PIN_CAP_INPUT_CAP(pincap)?"IN":"",
                    HDA_PARAM_PIN_CAP_OUTPUT_CAP(pincap)?"OUT":"",
                    HDA_PARAM_PIN_CAP_HEADPHONE_CAP(pincap)?"HP":"",
                    HDA_PARAM_PIN_CAP_EAPD_CAP(pincap)?"EAPD":"",
                    HDA_PARAM_PIN_CAP_VREF_CTRL(pincap)?"VREF":"");
                if (HDA_PARAM_PIN_CAP_IMP_SENSE_CAP(pincap) ||
                    HDA_PARAM_PIN_CAP_PRESENCE_DETECT_CAP(pincap)) {
                        if (HDA_PARAM_PIN_CAP_TRIGGER_REQD(pincap)) {
                                delay = 0;
                                hda_command(dev,
                                    HDA_CMD_SET_PIN_SENSE(0, w->nid, 0));
                                do {
                                        res = hda_command(dev,
                                            HDA_CMD_GET_PIN_SENSE(0, w->nid));
                                        if (res != 0x7fffffff && res != 0xffffffff)
                                                break;
                                        DELAY(10);
                                } while (++delay < 10000);
                        } else {
                                delay = 0;
                                res = hda_command(dev, HDA_CMD_GET_PIN_SENSE(0,
                                    w->nid));
                        }
                        printf(" Sense: 0x%08x (%sconnected%s)", res,
                            (res & HDA_CMD_GET_PIN_SENSE_PRESENCE_DETECT) ?
                             "" : "dis",
                            (HDA_PARAM_AUDIO_WIDGET_CAP_DIGITAL(w->param.widget_cap) &&
                             (res & HDA_CMD_GET_PIN_SENSE_ELD_VALID)) ?
                              ", ELD valid" : "");
                        if (delay > 0)
                                printf(" delay %dus", delay * 10);
                }
                printf("\n");
        }
        device_printf(dev,
            "NumGPIO=%d NumGPO=%d NumGPI=%d GPIWake=%d GPIUnsol=%d\n",
            HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap),
            HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap),
            HDA_PARAM_GPIO_COUNT_NUM_GPI(devinfo->gpio_cap),
            HDA_PARAM_GPIO_COUNT_GPI_WAKE(devinfo->gpio_cap),
            HDA_PARAM_GPIO_COUNT_GPI_UNSOL(devinfo->gpio_cap));
        hdaa_dump_gpi(devinfo);
        hdaa_dump_gpio(devinfo);
        hdaa_dump_gpo(devinfo);
}

static void
hdaa_configure(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_audio_ctl *ctl;
        int i;

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Applying built-in patches...\n");
        );
        hdaa_patch(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Applying local patches...\n");
        );
        hdaa_local_patch(devinfo);
        hdaa_audio_postprocess(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Parsing Ctls...\n");
        );
        hdaa_audio_ctl_parse(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling nonaudio...\n");
        );
        hdaa_audio_disable_nonaudio(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling useless...\n");
        );
        hdaa_audio_disable_useless(devinfo);
        HDA_BOOTVERBOSE(
                device_printf(dev, "Patched pins configuration:\n");
                hdaa_dump_pin_configs(devinfo);
        );
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Parsing pin associations...\n");
        );
        hdaa_audio_as_parse(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Building AFG tree...\n");
        );
        hdaa_audio_build_tree(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling unassociated "
                    "widgets...\n");
        );
        hdaa_audio_disable_unas(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling nonselected "
                    "inputs...\n");
        );
        hdaa_audio_disable_notselected(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling useless...\n");
        );
        hdaa_audio_disable_useless(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling "
                    "crossassociatement connections...\n");
        );
        hdaa_audio_disable_crossas(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Disabling useless...\n");
        );
        hdaa_audio_disable_useless(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Binding associations to channels...\n");
        );
        hdaa_audio_bind_as(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Assigning names to signal sources...\n");
        );
        hdaa_audio_assign_names(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Preparing PCM devices...\n");
        );
        hdaa_prepare_pcms(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Assigning mixers to the tree...\n");
        );
        hdaa_audio_assign_mixers(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Preparing pin controls...\n");
        );
        hdaa_audio_prepare_pin_ctrl(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "AFG commit...\n");
        );
        hdaa_audio_commit(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Applying direct built-in patches...\n");
        );
        hdaa_patch_direct(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Creating PCM devices...\n");
        );
        hdaa_unlock(devinfo);
        hdaa_create_pcms(devinfo);
        hdaa_lock(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Pin sense init...\n");
        );
        hdaa_sense_init(devinfo);

        HDA_BOOTVERBOSE(
                if (devinfo->quirks != 0) {
                        device_printf(dev, "FG config/quirks:");
                        for (i = 0; i < nitems(hdaa_quirks_tab); i++) {
                                if ((devinfo->quirks &
                                    hdaa_quirks_tab[i].value) ==
                                    hdaa_quirks_tab[i].value)
                                        printf(" %s", hdaa_quirks_tab[i].key);
                        }
                        printf("\n");
                }
        );

        HDA_BOOTHVERBOSE(
                device_printf(dev, "\n");
                device_printf(dev, "+-----------+\n");
                device_printf(dev, "| HDA NODES |\n");
                device_printf(dev, "+-----------+\n");
                hdaa_dump_nodes(devinfo);

                device_printf(dev, "\n");
                device_printf(dev, "+----------------+\n");
                device_printf(dev, "| HDA AMPLIFIERS |\n");
                device_printf(dev, "+----------------+\n");
                device_printf(dev, "\n");
                i = 0;
                while ((ctl = hdaa_audio_ctl_each(devinfo, &i)) != NULL) {
                        device_printf(dev, "%3d: nid %3d %s (%s) index %d", i,
                            (ctl->widget != NULL) ? ctl->widget->nid : -1,
                            (ctl->ndir == HDAA_CTL_IN)?"in ":"out",
                            (ctl->dir == HDAA_CTL_IN)?"in ":"out",
                            ctl->index);
                        if (ctl->childwidget != NULL)
                                printf(" cnid %3d", ctl->childwidget->nid);
                        else
                                printf("         ");
                        printf(" ossmask=0x%08x\n",
                            ctl->ossmask);
                        device_printf(dev,
                            "       mute: %d step: %3d size: %3d off: %3d%s\n",
                            ctl->mute, ctl->step, ctl->size, ctl->offset,
                            (ctl->enable == 0) ? " [DISABLED]" :
                            ((ctl->ossmask == 0) ? " [UNUSED]" : ""));
                }
                device_printf(dev, "\n");
        );
}

static void
hdaa_unconfigure(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_widget *w;
        int i, j;

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Pin sense deinit...\n");
        );
        hdaa_sense_deinit(devinfo);
        free(devinfo->ctl, M_HDAA);
        devinfo->ctl = NULL;
        devinfo->ctlcnt = 0;
        free(devinfo->as, M_HDAA);
        devinfo->as = NULL;
        devinfo->ascnt = 0;
        free(devinfo->devs, M_HDAA);
        devinfo->devs = NULL;
        devinfo->num_devs = 0;
        free(devinfo->chans, M_HDAA);
        devinfo->chans = NULL;
        devinfo->num_chans = 0;
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL)
                        continue;
                w->enable = 1;
                w->selconn = -1;
                w->pflags = 0;
                w->bindas = -1;
                w->bindseqmask = 0;
                w->ossdev = -1;
                w->ossmask = 0;
                for (j = 0; j < w->nconns; j++)
                        w->connsenable[j] = 1;
                if (w->type == HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        w->wclass.pin.config = w->wclass.pin.newconf;
                if (w->eld != NULL) {
                        w->eld_len = 0;
                        free(w->eld, M_HDAA);
                        w->eld = NULL;
                }
        }
}

static int
hdaa_sysctl_gpi_state(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_devinfo *devinfo = oidp->oid_arg1;
        device_t dev = devinfo->dev;
        char buf[256];
        int n = 0, i, numgpi;
        uint32_t data = 0;

        buf[0] = 0;
        hdaa_lock(devinfo);
        numgpi = HDA_PARAM_GPIO_COUNT_NUM_GPI(devinfo->gpio_cap);
        if (numgpi > 0) {
                data = hda_command(dev,
                    HDA_CMD_GET_GPI_DATA(0, devinfo->nid));
        }
        hdaa_unlock(devinfo);
        for (i = 0; i < numgpi; i++) {
                n += snprintf(buf + n, sizeof(buf) - n, "%s%d=%d",
                    n != 0 ? " " : "", i, ((data >> i) & 1));
        }
        return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
}

static int
hdaa_sysctl_gpio_state(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_devinfo *devinfo = oidp->oid_arg1;
        device_t dev = devinfo->dev;
        char buf[256];
        int n = 0, i, numgpio;
        uint32_t data = 0, enable = 0, dir = 0;

        buf[0] = 0;
        hdaa_lock(devinfo);
        numgpio = HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap);
        if (numgpio > 0) {
                data = hda_command(dev,
                    HDA_CMD_GET_GPIO_DATA(0, devinfo->nid));
                enable = hda_command(dev,
                    HDA_CMD_GET_GPIO_ENABLE_MASK(0, devinfo->nid));
                dir = hda_command(dev,
                    HDA_CMD_GET_GPIO_DIRECTION(0, devinfo->nid));
        }
        hdaa_unlock(devinfo);
        for (i = 0; i < numgpio; i++) {
                n += snprintf(buf + n, sizeof(buf) - n, "%s%d=",
                    n != 0 ? " " : "", i);
                if ((enable & (1 << i)) == 0) {
                        n += snprintf(buf + n, sizeof(buf) - n, "disabled");
                        continue;
                }
                n += snprintf(buf + n, sizeof(buf) - n, "%sput(%d)",
                    ((dir >> i) & 1) ? "out" : "in", ((data >> i) & 1));
        }
        return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
}

static int
hdaa_sysctl_gpio_config(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_devinfo *devinfo = oidp->oid_arg1;
        char buf[256];
        int error, n = 0, i, numgpio;
        uint32_t gpio, x;

        gpio = devinfo->newgpio;
        numgpio = HDA_PARAM_GPIO_COUNT_NUM_GPIO(devinfo->gpio_cap);
        buf[0] = 0;
        for (i = 0; i < numgpio; i++) {
                x = (gpio & HDAA_GPIO_MASK(i)) >> HDAA_GPIO_SHIFT(i);
                n += snprintf(buf + n, sizeof(buf) - n, "%s%d=%s",
                    n != 0 ? " " : "", i, HDA_GPIO_ACTIONS[x]);
        }
        error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
        if (error != 0 || req->newptr == NULL)
                return (error);
        if (strncmp(buf, "0x", 2) == 0)
                gpio = strtol(buf + 2, NULL, 16);
        else
                gpio = hdaa_gpio_patch(gpio, buf);
        hdaa_lock(devinfo);
        devinfo->newgpio = devinfo->gpio = gpio;
        hdaa_gpio_commit(devinfo);
        hdaa_unlock(devinfo);
        return (0);
}

static int
hdaa_sysctl_gpo_state(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_devinfo *devinfo = oidp->oid_arg1;
        device_t dev = devinfo->dev;
        char buf[256];
        int n = 0, i, numgpo;
        uint32_t data = 0;

        buf[0] = 0;
        hdaa_lock(devinfo);
        numgpo = HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap);
        if (numgpo > 0) {
                data = hda_command(dev,
                    HDA_CMD_GET_GPO_DATA(0, devinfo->nid));
        }
        hdaa_unlock(devinfo);
        for (i = 0; i < numgpo; i++) {
                n += snprintf(buf + n, sizeof(buf) - n, "%s%d=%d",
                    n != 0 ? " " : "", i, ((data >> i) & 1));
        }
        return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
}

static int
hdaa_sysctl_gpo_config(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_devinfo *devinfo = oidp->oid_arg1;
        char buf[256];
        int error, n = 0, i, numgpo;
        uint32_t gpo, x;

        gpo = devinfo->newgpo;
        numgpo = HDA_PARAM_GPIO_COUNT_NUM_GPO(devinfo->gpio_cap);
        buf[0] = 0;
        for (i = 0; i < numgpo; i++) {
                x = (gpo & HDAA_GPIO_MASK(i)) >> HDAA_GPIO_SHIFT(i);
                n += snprintf(buf + n, sizeof(buf) - n, "%s%d=%s",
                    n != 0 ? " " : "", i, HDA_GPIO_ACTIONS[x]);
        }
        error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
        if (error != 0 || req->newptr == NULL)
                return (error);
        if (strncmp(buf, "0x", 2) == 0)
                gpo = strtol(buf + 2, NULL, 16);
        else
                gpo = hdaa_gpio_patch(gpo, buf);
        hdaa_lock(devinfo);
        devinfo->newgpo = devinfo->gpo = gpo;
        hdaa_gpo_commit(devinfo);
        hdaa_unlock(devinfo);
        return (0);
}

static int
hdaa_sysctl_reconfig(SYSCTL_HANDLER_ARGS)
{
        device_t dev;
        struct hdaa_devinfo *devinfo;
        int error, val;

        dev = oidp->oid_arg1;
        devinfo = device_get_softc(dev);
        if (devinfo == NULL)
                return (EINVAL);
        val = 0;
        error = sysctl_handle_int(oidp, &val, 0, req);
        if (error != 0 || req->newptr == NULL || val == 0)
                return (error);

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Reconfiguration...\n");
        );

        bus_topo_lock();

        if ((error = device_delete_children(dev)) != 0) {
                bus_topo_unlock();
                return (error);
        }
        hdaa_lock(devinfo);
        hdaa_unconfigure(dev);
        hdaa_configure(dev);
        hdaa_unlock(devinfo);
        bus_attach_children(dev);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Reconfiguration done\n");
        );

        bus_topo_unlock();

        return (0);
}

static int
hdaa_suspend(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        int i;

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Suspend...\n");
        );
        hdaa_lock(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Stop streams...\n");
        );
        for (i = 0; i < devinfo->num_chans; i++) {
                if (devinfo->chans[i].flags & HDAA_CHN_RUNNING) {
                        devinfo->chans[i].flags |= HDAA_CHN_SUSPEND;
                        hdaa_channel_stop(&devinfo->chans[i]);
                }
        }
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Power down FG"
                    " nid=%d to the D3 state...\n",
                    devinfo->nid);
        );
        hda_command(devinfo->dev,
            HDA_CMD_SET_POWER_STATE(0,
            devinfo->nid, HDA_CMD_POWER_STATE_D3));
        callout_stop(&devinfo->poll_jack);
        hdaa_unlock(devinfo);
        callout_drain(&devinfo->poll_jack);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Suspend done\n");
        );
        return (0);
}

static int
hdaa_resume(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        int i;

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Resume...\n");
        );
        hdaa_lock(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Power up audio FG nid=%d...\n",
                    devinfo->nid);
        );
        hdaa_powerup(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "AFG commit...\n");
        );
        hdaa_audio_commit(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Applying direct built-in patches...\n");
        );
        hdaa_patch_direct(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Pin sense init...\n");
        );
        hdaa_sense_init(devinfo);

        hdaa_unlock(devinfo);
        for (i = 0; i < devinfo->num_devs; i++) {
                struct hdaa_pcm_devinfo *pdevinfo = &devinfo->devs[i];
                HDA_BOOTHVERBOSE(
                        device_printf(pdevinfo->dev,
                            "OSS mixer reinitialization...\n");
                );
                if (mixer_reinit(pdevinfo->dev) == -1)
                        device_printf(pdevinfo->dev,
                            "unable to reinitialize the mixer\n");
        }
        hdaa_lock(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Start streams...\n");
        );
        for (i = 0; i < devinfo->num_chans; i++) {
                if (devinfo->chans[i].flags & HDAA_CHN_SUSPEND) {
                        devinfo->chans[i].flags &= ~HDAA_CHN_SUSPEND;
                        hdaa_channel_start(&devinfo->chans[i]);
                }
        }
        hdaa_unlock(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Resume done\n");
        );
        return (0);
}

static int
hdaa_probe(device_t dev)
{
        const char *pdesc;

        if (hda_get_node_type(dev) != HDA_PARAM_FCT_GRP_TYPE_NODE_TYPE_AUDIO)
                return (ENXIO);
        pdesc = device_get_desc(device_get_parent(dev));
        device_set_descf(dev, "%.*s Audio Function Group",
            (int)(strlen(pdesc) - 10), pdesc);
        return (BUS_PROBE_DEFAULT);
}

static int
hdaa_attach(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        uint32_t res;
        nid_t nid = hda_get_node_id(dev);

        devinfo->dev = dev;
        devinfo->lock = HDAC_GET_MTX(device_get_parent(dev), dev);
        devinfo->nid = nid;
        devinfo->newquirks = -1;
        devinfo->newgpio = -1;
        devinfo->newgpo = -1;
        callout_init(&devinfo->poll_jack, 1);
        devinfo->poll_ival = hz;

        hdaa_lock(devinfo);
        res = hda_command(dev,
            HDA_CMD_GET_PARAMETER(0 , nid, HDA_PARAM_SUB_NODE_COUNT));
        hdaa_unlock(devinfo);

        devinfo->nodecnt = HDA_PARAM_SUB_NODE_COUNT_TOTAL(res);
        devinfo->startnode = HDA_PARAM_SUB_NODE_COUNT_START(res);
        devinfo->endnode = devinfo->startnode + devinfo->nodecnt;

        HDA_BOOTVERBOSE(
                device_printf(dev, "Subsystem ID: 0x%08x\n",
                    hda_get_subsystem_id(dev));
        );
        HDA_BOOTHVERBOSE(
                device_printf(dev,
                    "Audio Function Group at nid=%d: %d subnodes %d-%d\n",
                    nid, devinfo->nodecnt,
                    devinfo->startnode, devinfo->endnode - 1);
        );

        if (devinfo->nodecnt > 0)
                devinfo->widget = malloc(sizeof(*(devinfo->widget)) *
                    devinfo->nodecnt, M_HDAA, M_WAITOK | M_ZERO);
        else
                devinfo->widget = NULL;

        hdaa_lock(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Powering up...\n");
        );
        hdaa_powerup(devinfo);
        HDA_BOOTHVERBOSE(
                device_printf(dev, "Parsing audio FG...\n");
        );
        hdaa_audio_parse(devinfo);
        HDA_BOOTVERBOSE(
                device_printf(dev, "Original pins configuration:\n");
                hdaa_dump_pin_configs(devinfo);
        );
        hdaa_configure(dev);
        hdaa_unlock(devinfo);

        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "config", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
            &devinfo->newquirks, 0, hdaa_sysctl_quirks, "A",
            "Configuration options");
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "gpi_state", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
            devinfo, 0, hdaa_sysctl_gpi_state, "A", "GPI state");
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "gpio_state", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
            devinfo, 0, hdaa_sysctl_gpio_state, "A", "GPIO state");
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "gpio_config", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
            devinfo, 0, hdaa_sysctl_gpio_config, "A", "GPIO configuration");
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "gpo_state", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
            devinfo, 0, hdaa_sysctl_gpo_state, "A", "GPO state");
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "gpo_config", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
            devinfo, 0, hdaa_sysctl_gpo_config, "A", "GPO configuration");
        SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "reconfig", CTLTYPE_INT | CTLFLAG_RW,
            dev, 0, hdaa_sysctl_reconfig, "I", "Reprocess configuration");
        SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
            SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
            "init_clear", CTLFLAG_RW,
            &devinfo->init_clear, 1,"Clear initial pin widget configuration");
        bus_attach_children(dev);
        return (0);
}

static int
hdaa_detach(device_t dev)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        int error;

        if ((error = bus_generic_detach(dev)) != 0)
                return (error);

        hdaa_lock(devinfo);
        hdaa_unconfigure(dev);
        devinfo->poll_ival = 0;
        callout_stop(&devinfo->poll_jack);
        hdaa_unlock(devinfo);
        callout_drain(&devinfo->poll_jack);

        free(devinfo->widget, M_HDAA);
        return (0);
}

static int
hdaa_print_child(device_t dev, device_t child)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_pcm_devinfo *pdevinfo =
            (struct hdaa_pcm_devinfo *)device_get_ivars(child);
        struct hdaa_audio_as *as;
        int retval, first = 1, i;

        retval = bus_print_child_header(dev, child);
        retval += printf(" at nid ");
        if (pdevinfo->playas >= 0) {
                as = &devinfo->as[pdevinfo->playas];
                for (i = 0; i < 16; i++) {
                        if (as->pins[i] <= 0)
                                continue;
                        retval += printf("%s%d", first ? "" : ",", as->pins[i]);
                        first = 0;
                }
        }
        if (pdevinfo->recas >= 0) {
                if (pdevinfo->playas >= 0) {
                        retval += printf(" and ");
                        first = 1;
                }
                as = &devinfo->as[pdevinfo->recas];
                for (i = 0; i < 16; i++) {
                        if (as->pins[i] <= 0)
                                continue;
                        retval += printf("%s%d", first ? "" : ",", as->pins[i]);
                        first = 0;
                }
        }
        retval += bus_print_child_footer(dev, child);

        return (retval);
}

static int
hdaa_child_location(device_t dev, device_t child, struct sbuf *sb)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_pcm_devinfo *pdevinfo =
            (struct hdaa_pcm_devinfo *)device_get_ivars(child);
        struct hdaa_audio_as *as;
        int first = 1, i;

        sbuf_printf(sb, "nid=");
        if (pdevinfo->playas >= 0) {
                as = &devinfo->as[pdevinfo->playas];
                for (i = 0; i < 16; i++) {
                        if (as->pins[i] <= 0)
                                continue;
                        sbuf_printf(sb, "%s%d", first ? "" : ",", as->pins[i]);
                        first = 0;
                }
        }
        if (pdevinfo->recas >= 0) {
                as = &devinfo->as[pdevinfo->recas];
                for (i = 0; i < 16; i++) {
                        if (as->pins[i] <= 0)
                                continue;
                        sbuf_printf(sb, "%s%d", first ? "" : ",", as->pins[i]);
                        first = 0;
                }
        }
        return (0);
}

static void
hdaa_stream_intr(device_t dev, int dir, int stream)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_chan *ch;
        int i;

        for (i = 0; i < devinfo->num_chans; i++) {
                ch = &devinfo->chans[i];
                if (!(ch->flags & HDAA_CHN_RUNNING))
                        continue;
                if (ch->dir == ((dir == 1) ? PCMDIR_PLAY : PCMDIR_REC) &&
                    ch->sid == stream) {
                        hdaa_unlock(devinfo);
                        chn_intr(ch->c);
                        hdaa_lock(devinfo);
                }
        }
}

static void
hdaa_unsol_intr(device_t dev, uint32_t resp)
{
        struct hdaa_devinfo *devinfo = device_get_softc(dev);
        struct hdaa_widget *w;
        int i, tag, flags;

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Unsolicited response %08x\n", resp);
        );
        tag = resp >> 26;
        for (i = devinfo->startnode; i < devinfo->endnode; i++) {
                w = hdaa_widget_get(devinfo, i);
                if (w == NULL || w->enable == 0 || w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                if (w->unsol != tag)
                        continue;
                if (HDA_PARAM_PIN_CAP_DP(w->wclass.pin.cap) ||
                    HDA_PARAM_PIN_CAP_HDMI(w->wclass.pin.cap))
                        flags = resp & 0x03;
                else
                        flags = 0x01;
                if (flags & 0x01)
                        hdaa_presence_handler(w);
                if (flags & 0x02)
                        hdaa_eld_handler(w);
        }
}

static device_method_t hdaa_methods[] = {
        /* device interface */
        DEVMETHOD(device_probe,         hdaa_probe),
        DEVMETHOD(device_attach,        hdaa_attach),
        DEVMETHOD(device_detach,        hdaa_detach),
        DEVMETHOD(device_suspend,       hdaa_suspend),
        DEVMETHOD(device_resume,        hdaa_resume),
        /* Bus interface */
        DEVMETHOD(bus_print_child,      hdaa_print_child),
        DEVMETHOD(bus_child_location,   hdaa_child_location),
        DEVMETHOD(hdac_stream_intr,     hdaa_stream_intr),
        DEVMETHOD(hdac_unsol_intr,      hdaa_unsol_intr),
        DEVMETHOD(hdac_pindump,         hdaa_pindump),
        DEVMETHOD_END
};

static driver_t hdaa_driver = {
        "hdaa",
        hdaa_methods,
        sizeof(struct hdaa_devinfo),
};

DRIVER_MODULE(snd_hda, hdacc, hdaa_driver, NULL, NULL);

static void
hdaa_chan_formula(struct hdaa_devinfo *devinfo, int asid,
    char *buf, int buflen)
{
        struct hdaa_audio_as *as;
        int c;

        as = &devinfo->as[asid];
        c = devinfo->chans[as->chans[0]].channels;
        if (c == 1)
                snprintf(buf, buflen, "mono");
        else if (c == 2) {
                if (as->hpredir < 0)
                        buf[0] = 0;
                else
                        snprintf(buf, buflen, "2.0");
        } else if (as->pinset == 0x0003)
                snprintf(buf, buflen, "3.1");
        else if (as->pinset == 0x0005 || as->pinset == 0x0011)
                snprintf(buf, buflen, "4.0");
        else if (as->pinset == 0x0007 || as->pinset == 0x0013)
                snprintf(buf, buflen, "5.1");
        else if (as->pinset == 0x0017)
                snprintf(buf, buflen, "7.1");
        else
                snprintf(buf, buflen, "%dch", c);
        if (as->hpredir >= 0)
                strlcat(buf, "+HP", buflen);
}

static int
hdaa_chan_type(struct hdaa_devinfo *devinfo, int asid)
{
        struct hdaa_audio_as *as;
        struct hdaa_widget *w;
        int i, t = -1, t1;

        as = &devinfo->as[asid];
        for (i = 0; i < 16; i++) {
                w = hdaa_widget_get(devinfo, as->pins[i]);
                if (w == NULL || w->enable == 0 || w->type !=
                    HDA_PARAM_AUDIO_WIDGET_CAP_TYPE_PIN_COMPLEX)
                        continue;
                t1 = HDA_CONFIG_DEFAULTCONF_DEVICE(w->wclass.pin.config);
                if (t == -1)
                        t = t1;
                else if (t != t1) {
                        t = -2;
                        break;
                }
        }
        return (t);
}

static int
hdaa_sysctl_32bit(SYSCTL_HANDLER_ARGS)
{
        struct hdaa_audio_as *as = (struct hdaa_audio_as *)oidp->oid_arg1;
        struct hdaa_pcm_devinfo *pdevinfo = as->pdevinfo;
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_chan *ch;
        int error, val, i;
        uint32_t pcmcap;

        ch = &devinfo->chans[as->chans[0]];
        val = (ch->bit32 == 4) ? 32 : ((ch->bit32 == 3) ? 24 :
            ((ch->bit32 == 2) ? 20 : 0));
        error = sysctl_handle_int(oidp, &val, 0, req);
        if (error != 0 || req->newptr == NULL)
                return (error);
        pcmcap = ch->supp_pcm_size_rate;
        if (val == 32 && HDA_PARAM_SUPP_PCM_SIZE_RATE_32BIT(pcmcap))
                ch->bit32 = 4;
        else if (val == 24 && HDA_PARAM_SUPP_PCM_SIZE_RATE_24BIT(pcmcap))
                ch->bit32 = 3;
        else if (val == 20 && HDA_PARAM_SUPP_PCM_SIZE_RATE_20BIT(pcmcap))
                ch->bit32 = 2;
        else
                return (EINVAL);
        for (i = 1; i < as->num_chans; i++)
                devinfo->chans[as->chans[i]].bit32 = ch->bit32;
        return (0);
}

static int
hdaa_pcm_probe(device_t dev)
{
        struct hdaa_pcm_devinfo *pdevinfo =
            (struct hdaa_pcm_devinfo *)device_get_ivars(dev);
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        const char *pdesc;
        char chans1[8], chans2[8];
        int loc1, loc2, t1, t2;

        if (pdevinfo->playas >= 0)
                loc1 = devinfo->as[pdevinfo->playas].location;
        else
                loc1 = devinfo->as[pdevinfo->recas].location;
        if (pdevinfo->recas >= 0)
                loc2 = devinfo->as[pdevinfo->recas].location;
        else
                loc2 = loc1;
        if (loc1 != loc2)
                loc1 = -2;
        if (loc1 >= 0 && HDA_LOCS[loc1][0] == '0')
                loc1 = -2;
        chans1[0] = 0;
        chans2[0] = 0;
        t1 = t2 = -1;
        if (pdevinfo->playas >= 0) {
                hdaa_chan_formula(devinfo, pdevinfo->playas,
                    chans1, sizeof(chans1));
                t1 = hdaa_chan_type(devinfo, pdevinfo->playas);
        }
        if (pdevinfo->recas >= 0) {
                hdaa_chan_formula(devinfo, pdevinfo->recas,
                    chans2, sizeof(chans2));
                t2 = hdaa_chan_type(devinfo, pdevinfo->recas);
        }
        if (chans1[0] != 0 || chans2[0] != 0) {
                if (chans1[0] == 0 && pdevinfo->playas >= 0)
                        snprintf(chans1, sizeof(chans1), "2.0");
                else if (chans2[0] == 0 && pdevinfo->recas >= 0)
                        snprintf(chans2, sizeof(chans2), "2.0");
                if (strcmp(chans1, chans2) == 0)
                        chans2[0] = 0;
        }
        if (t1 == -1)
                t1 = t2;
        else if (t2 == -1)
                t2 = t1;
        if (t1 != t2)
                t1 = -2;
        if (pdevinfo->digital)
                t1 = -2;
        pdesc = device_get_desc(device_get_parent(dev));
        device_set_descf(dev, "%.*s (%s%s%s%s%s%s%s%s%s)",
            (int)(strlen(pdesc) - 21), pdesc,
            loc1 >= 0 ? HDA_LOCS[loc1] : "", loc1 >= 0 ? " " : "",
            (pdevinfo->digital == 0x7)?"HDMI/DP":
            ((pdevinfo->digital == 0x5)?"DisplayPort":
            ((pdevinfo->digital == 0x3)?"HDMI":
            ((pdevinfo->digital)?"Digital":"Analog"))),
            chans1[0] ? " " : "", chans1,
            chans2[0] ? "/" : "", chans2,
            t1 >= 0 ? " " : "", t1 >= 0 ? HDA_DEVS[t1] : "");
        return (BUS_PROBE_SPECIFIC);
}

static int
hdaa_pcm_attach(device_t dev)
{
        struct hdaa_pcm_devinfo *pdevinfo =
            (struct hdaa_pcm_devinfo *)device_get_ivars(dev);
        struct hdaa_devinfo *devinfo = pdevinfo->devinfo;
        struct hdaa_audio_as *as;
        struct snddev_info *d;
        char status[SND_STATUSLEN];
        int i;

        pdevinfo->chan_size = pcm_getbuffersize(dev,
            HDA_BUFSZ_MIN, HDA_BUFSZ_DEFAULT, HDA_BUFSZ_MAX);

        HDA_BOOTVERBOSE(
                hdaa_dump_dac(pdevinfo);
                hdaa_dump_adc(pdevinfo);
                hdaa_dump_mix(pdevinfo);
                hdaa_dump_ctls(pdevinfo, "Master Volume", SOUND_MASK_VOLUME);
                hdaa_dump_ctls(pdevinfo, "PCM Volume", SOUND_MASK_PCM);
                hdaa_dump_ctls(pdevinfo, "CD Volume", SOUND_MASK_CD);
                hdaa_dump_ctls(pdevinfo, "Microphone Volume", SOUND_MASK_MIC);
                hdaa_dump_ctls(pdevinfo, "Microphone2 Volume", SOUND_MASK_MONITOR);
                hdaa_dump_ctls(pdevinfo, "Line-in Volume", SOUND_MASK_LINE);
                hdaa_dump_ctls(pdevinfo, "Speaker/Beep Volume", SOUND_MASK_SPEAKER);
                hdaa_dump_ctls(pdevinfo, "Recording Level", SOUND_MASK_RECLEV);
                hdaa_dump_ctls(pdevinfo, "Input Mix Level", SOUND_MASK_IMIX);
                hdaa_dump_ctls(pdevinfo, "Input Monitoring Level", SOUND_MASK_IGAIN);
                hdaa_dump_ctls(pdevinfo, NULL, 0);
        );

        if (resource_int_value(device_get_name(dev),
            device_get_unit(dev), "blocksize", &i) == 0 && i > 0) {
                i &= HDA_BLK_ALIGN;
                if (i < HDA_BLK_MIN)
                        i = HDA_BLK_MIN;
                pdevinfo->chan_blkcnt = pdevinfo->chan_size / i;
                i = 0;
                while (pdevinfo->chan_blkcnt >> i)
                        i++;
                pdevinfo->chan_blkcnt = 1 << (i - 1);
                if (pdevinfo->chan_blkcnt < HDA_BDL_MIN)
                        pdevinfo->chan_blkcnt = HDA_BDL_MIN;
                else if (pdevinfo->chan_blkcnt > HDA_BDL_MAX)
                        pdevinfo->chan_blkcnt = HDA_BDL_MAX;
        } else
                pdevinfo->chan_blkcnt = HDA_BDL_DEFAULT;

        /*
         * We don't register interrupt handler with snd_setup_intr
         * in pcm device. Mark pcm device as MPSAFE manually.
         */
        pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE);

        HDA_BOOTHVERBOSE(
                device_printf(dev, "OSS mixer initialization...\n");
        );
        if (mixer_init(dev, &hdaa_audio_ctl_ossmixer_class, pdevinfo) != 0)
                device_printf(dev, "Can't register mixer\n");

        HDA_BOOTHVERBOSE(
                device_printf(dev, "Registering PCM channels...\n");
        );
        pcm_init(dev, pdevinfo);

        pdevinfo->registered++;

        d = device_get_softc(dev);
        if (pdevinfo->playas >= 0) {
                as = &devinfo->as[pdevinfo->playas];
                for (i = 0; i < as->num_chans; i++)
                        pcm_addchan(dev, PCMDIR_PLAY, &hdaa_channel_class,
                            &devinfo->chans[as->chans[i]]);
                SYSCTL_ADD_PROC(&d->play_sysctl_ctx,
                    SYSCTL_CHILDREN(d->play_sysctl_tree), OID_AUTO,
                    "32bit", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
                    as, sizeof(as), hdaa_sysctl_32bit, "I",
                    "Resolution of 32bit samples (20/24/32bit)");
        }
        if (pdevinfo->recas >= 0) {
                as = &devinfo->as[pdevinfo->recas];
                for (i = 0; i < as->num_chans; i++)
                        pcm_addchan(dev, PCMDIR_REC, &hdaa_channel_class,
                            &devinfo->chans[as->chans[i]]);
                SYSCTL_ADD_PROC(&d->rec_sysctl_ctx,
                    SYSCTL_CHILDREN(d->rec_sysctl_tree), OID_AUTO,
                    "32bit", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
                    as, sizeof(as), hdaa_sysctl_32bit, "I",
                    "Resolution of 32bit samples (20/24/32bit)");
                pdevinfo->autorecsrc = 2;
                resource_int_value(device_get_name(dev), device_get_unit(dev),
                    "rec.autosrc", &pdevinfo->autorecsrc);
                SYSCTL_ADD_INT(&d->rec_sysctl_ctx,
                    SYSCTL_CHILDREN(d->rec_sysctl_tree), OID_AUTO,
                    "autosrc", CTLFLAG_RW,
                    &pdevinfo->autorecsrc, 0,
                    "Automatic recording source selection");
        }

        if (pdevinfo->mixer != NULL) {
                hdaa_audio_ctl_set_defaults(pdevinfo);
                hdaa_lock(devinfo);
                if (pdevinfo->playas >= 0) {
                        as = &devinfo->as[pdevinfo->playas];
                        hdaa_channels_handler(as);
                }
                if (pdevinfo->recas >= 0) {
                        as = &devinfo->as[pdevinfo->recas];
                        hdaa_autorecsrc_handler(as, NULL);
                        hdaa_channels_handler(as);
                }
                hdaa_unlock(devinfo);
        }

        snprintf(status, SND_STATUSLEN, "on %s",
            device_get_nameunit(device_get_parent(dev)));

        return (pcm_register(dev, status));
}

static int
hdaa_pcm_detach(device_t dev)
{
        struct hdaa_pcm_devinfo *pdevinfo =
            (struct hdaa_pcm_devinfo *)device_get_ivars(dev);
        int err;

        if (pdevinfo->registered > 0) {
                err = pcm_unregister(dev);
                if (err != 0)
                        return (err);
        }

        return (0);
}

static device_method_t hdaa_pcm_methods[] = {
        /* device interface */
        DEVMETHOD(device_probe,         hdaa_pcm_probe),
        DEVMETHOD(device_attach,        hdaa_pcm_attach),
        DEVMETHOD(device_detach,        hdaa_pcm_detach),
        DEVMETHOD_END
};

static driver_t hdaa_pcm_driver = {
        "pcm",
        hdaa_pcm_methods,
        PCM_SOFTC_SIZE,
};

DRIVER_MODULE(snd_hda_pcm, hdaa, hdaa_pcm_driver, NULL, NULL);
MODULE_DEPEND(snd_hda, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
MODULE_VERSION(snd_hda, 1);