// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license.  When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
//

#include <linux/bits.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/firmware.h>
#include <linux/workqueue.h>
#include <sound/tlv.h>
#include <sound/pcm_params.h>
#include <uapi/sound/sof/tokens.h>
#include "sof-priv.h"
#include "sof-audio.h"
#include "ops.h"

#define COMP_ID_UNASSIGNED              0xffffffff
/*
 * Constants used in the computation of linear volume gain
 * from dB gain 20th root of 10 in Q1.16 fixed-point notation
 */
#define VOL_TWENTIETH_ROOT_OF_TEN       73533
/* 40th root of 10 in Q1.16 fixed-point notation*/
#define VOL_FORTIETH_ROOT_OF_TEN        69419
/*
 * Volume fractional word length define to 16 sets
 * the volume linear gain value to use Qx.16 format
 */
#define VOLUME_FWL      16
/* 0.5 dB step value in topology TLV */
#define VOL_HALF_DB_STEP        50
/* Full volume for default values */
#define VOL_ZERO_DB     BIT(VOLUME_FWL)

/* TLV data items */
#define TLV_ITEMS       3
#define TLV_MIN         0
#define TLV_STEP        1
#define TLV_MUTE        2

/* size of tplg abi in byte */
#define SOF_TPLG_ABI_SIZE 3

struct sof_widget_data {
        int ctrl_type;
        int ipc_cmd;
        struct sof_abi_hdr *pdata;
        struct snd_sof_control *control;
};

/* send pcm params ipc */
static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
{
        struct sof_ipc_pcm_params_reply ipc_params_reply;
        struct snd_soc_component *scomp = swidget->scomp;
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct sof_ipc_pcm_params pcm;
        struct snd_pcm_hw_params *params;
        struct snd_sof_pcm *spcm;
        int ret;

        memset(&pcm, 0, sizeof(pcm));

        /* get runtime PCM params using widget's stream name */
        spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
        if (!spcm) {
                dev_err(scomp->dev, "error: cannot find PCM for %s\n",
                        swidget->widget->name);
                return -EINVAL;
        }

        params = &spcm->params[dir];

        /* set IPC PCM params */
        pcm.hdr.size = sizeof(pcm);
        pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
        pcm.comp_id = swidget->comp_id;
        pcm.params.hdr.size = sizeof(pcm.params);
        pcm.params.direction = dir;
        pcm.params.sample_valid_bytes = params_width(params) >> 3;
        pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
        pcm.params.rate = params_rate(params);
        pcm.params.channels = params_channels(params);
        pcm.params.host_period_bytes = params_period_bytes(params);

        /* set format */
        switch (params_format(params)) {
        case SNDRV_PCM_FORMAT_S16:
                pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
                break;
        case SNDRV_PCM_FORMAT_S24:
                pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
                break;
        case SNDRV_PCM_FORMAT_S32:
                pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
                break;
        default:
                return -EINVAL;
        }

        /* send IPC to the DSP */
        ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
                                 &ipc_params_reply, sizeof(ipc_params_reply));
        if (ret < 0)
                dev_err(scomp->dev, "error: pcm params failed for %s\n",
                        swidget->widget->name);

        return ret;
}

 /* send stream trigger ipc */
static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
{
        struct snd_soc_component *scomp = swidget->scomp;
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct sof_ipc_stream stream;
        struct sof_ipc_reply reply;
        int ret;

        /* set IPC stream params */
        stream.hdr.size = sizeof(stream);
        stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
        stream.comp_id = swidget->comp_id;

        /* send IPC to the DSP */
        ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
                                 sizeof(stream), &reply, sizeof(reply));
        if (ret < 0)
                dev_err(scomp->dev, "error: failed to trigger %s\n",
                        swidget->widget->name);

        return ret;
}

static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
                                  struct snd_kcontrol *k, int event)
{
        struct snd_sof_widget *swidget = w->dobj.private;
        struct snd_soc_component *scomp;
        int stream = SNDRV_PCM_STREAM_CAPTURE;
        struct snd_sof_pcm *spcm;
        int ret = 0;

        if (!swidget)
                return 0;

        scomp = swidget->scomp;

        dev_dbg(scomp->dev, "received event %d for widget %s\n",
                event, w->name);

        /* get runtime PCM params using widget's stream name */
        spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
        if (!spcm) {
                dev_err(scomp->dev, "error: cannot find PCM for %s\n",
                        swidget->widget->name);
                return -EINVAL;
        }

        /* process events */
        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
                if (spcm->stream[stream].suspend_ignored) {
                        dev_dbg(scomp->dev, "PRE_PMU event ignored, KWD pipeline is already RUNNING\n");
                        return 0;
                }

                /* set pcm params */
                ret = ipc_pcm_params(swidget, stream);
                if (ret < 0) {
                        dev_err(scomp->dev,
                                "error: failed to set pcm params for widget %s\n",
                                swidget->widget->name);
                        break;
                }

                /* start trigger */
                ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
                if (ret < 0)
                        dev_err(scomp->dev,
                                "error: failed to trigger widget %s\n",
                                swidget->widget->name);
                break;
        case SND_SOC_DAPM_POST_PMD:
                if (spcm->stream[stream].suspend_ignored) {
                        dev_dbg(scomp->dev, "POST_PMD even ignored, KWD pipeline will remain RUNNING\n");
                        return 0;
                }

                /* stop trigger */
                ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
                if (ret < 0)
                        dev_err(scomp->dev,
                                "error: failed to trigger widget %s\n",
                                swidget->widget->name);

                /* pcm free */
                ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
                if (ret < 0)
                        dev_err(scomp->dev,
                                "error: failed to trigger widget %s\n",
                                swidget->widget->name);
                break;
        default:
                break;
        }

        return ret;
}

/* event handlers for keyword detect component */
static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
        {SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
};

static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
{
        /* we only support dB scale TLV type at the moment */
        if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
                return -EINVAL;

        /* min value in topology tlv data is multiplied by 100 */
        tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;

        /* volume steps */
        tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
                                TLV_DB_SCALE_MASK);

        /* mute ON/OFF */
        if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
                TLV_DB_SCALE_MUTE) == 0)
                tlv[TLV_MUTE] = 0;
        else
                tlv[TLV_MUTE] = 1;

        return 0;
}

/*
 * Function to truncate an unsigned 64-bit number
 * by x bits and return 32-bit unsigned number. This
 * function also takes care of rounding while truncating
 */
static inline u32 vol_shift_64(u64 i, u32 x)
{
        /* do not truncate more than 32 bits */
        if (x > 32)
                x = 32;

        if (x == 0)
                return (u32)i;

        return (u32)(((i >> (x - 1)) + 1) >> 1);
}

/*
 * Function to compute a ^ exp where,
 * a is a fractional number represented by a fixed-point
 * integer with a fractional world length of "fwl"
 * exp is an integer
 * fwl is the fractional word length
 * Return value is a fractional number represented by a
 * fixed-point integer with a fractional word length of "fwl"
 */
static u32 vol_pow32(u32 a, int exp, u32 fwl)
{
        int i, iter;
        u32 power = 1 << fwl;
        u64 numerator;

        /* if exponent is 0, return 1 */
        if (exp == 0)
                return power;

        /* determine the number of iterations based on the exponent */
        if (exp < 0)
                iter = exp * -1;
        else
                iter = exp;

        /* mutiply a "iter" times to compute power */
        for (i = 0; i < iter; i++) {
                /*
                 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
                 * Truncate product back to fwl fractional bits with rounding
                 */
                power = vol_shift_64((u64)power * a, fwl);
        }

        if (exp > 0) {
                /* if exp is positive, return the result */
                return power;
        }

        /* if exp is negative, return the multiplicative inverse */
        numerator = (u64)1 << (fwl << 1);
        do_div(numerator, power);

        return (u32)numerator;
}

/*
 * Function to calculate volume gain from TLV data.
 * This function can only handle gain steps that are multiples of 0.5 dB
 */
static u32 vol_compute_gain(u32 value, int *tlv)
{
        int dB_gain;
        u32 linear_gain;
        int f_step;

        /* mute volume */
        if (value == 0 && tlv[TLV_MUTE])
                return 0;

        /*
         * compute dB gain from tlv. tlv_step
         * in topology is multiplied by 100
         */
        dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;

        /*
         * compute linear gain represented by fixed-point
         * int with VOLUME_FWL fractional bits
         */
        linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);

        /* extract the fractional part of volume step */
        f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);

        /* if volume step is an odd multiple of 0.5 dB */
        if (f_step == VOL_HALF_DB_STEP && (value & 1))
                linear_gain = vol_shift_64((u64)linear_gain *
                                                  VOL_FORTIETH_ROOT_OF_TEN,
                                                  VOLUME_FWL);

        return linear_gain;
}

/*
 * Set up volume table for kcontrols from tlv data
 * "size" specifies the number of entries in the table
 */
static int set_up_volume_table(struct snd_sof_control *scontrol,
                               int tlv[TLV_ITEMS], int size)
{
        int j;

        /* init the volume table */
        scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
        if (!scontrol->volume_table)
                return -ENOMEM;

        /* populate the volume table */
        for (j = 0; j < size ; j++)
                scontrol->volume_table[j] = vol_compute_gain(j, tlv);

        return 0;
}

struct sof_dai_types {
        const char *name;
        enum sof_ipc_dai_type type;
};

static const struct sof_dai_types sof_dais[] = {
        {"SSP", SOF_DAI_INTEL_SSP},
        {"HDA", SOF_DAI_INTEL_HDA},
        {"DMIC", SOF_DAI_INTEL_DMIC},
        {"ALH", SOF_DAI_INTEL_ALH},
        {"SAI", SOF_DAI_IMX_SAI},
        {"ESAI", SOF_DAI_IMX_ESAI},
};

static enum sof_ipc_dai_type find_dai(const char *name)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
                if (strcmp(name, sof_dais[i].name) == 0)
                        return sof_dais[i].type;
        }

        return SOF_DAI_INTEL_NONE;
}

/*
 * Supported Frame format types and lookup, add new ones to end of list.
 */

struct sof_frame_types {
        const char *name;
        enum sof_ipc_frame frame;
};

static const struct sof_frame_types sof_frames[] = {
        {"s16le", SOF_IPC_FRAME_S16_LE},
        {"s24le", SOF_IPC_FRAME_S24_4LE},
        {"s32le", SOF_IPC_FRAME_S32_LE},
        {"float", SOF_IPC_FRAME_FLOAT},
};

static enum sof_ipc_frame find_format(const char *name)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
                if (strcmp(name, sof_frames[i].name) == 0)
                        return sof_frames[i].frame;
        }

        /* use s32le if nothing is specified */
        return SOF_IPC_FRAME_S32_LE;
}

struct sof_process_types {
        const char *name;
        enum sof_ipc_process_type type;
        enum sof_comp_type comp_type;
};

static const struct sof_process_types sof_process[] = {
        {"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
        {"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
        {"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
        {"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
        {"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
        {"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
        {"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
        {"DCBLOCK", SOF_PROCESS_DCBLOCK, SOF_COMP_DCBLOCK},
        {"SMART_AMP", SOF_PROCESS_SMART_AMP, SOF_COMP_SMART_AMP},
};

static enum sof_ipc_process_type find_process(const char *name)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
                if (strcmp(name, sof_process[i].name) == 0)
                        return sof_process[i].type;
        }

        return SOF_PROCESS_NONE;
}

static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
{
        int i;

        for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
                if (sof_process[i].type == type)
                        return sof_process[i].comp_type;
        }

        return SOF_COMP_NONE;
}

/*
 * Topology Token Parsing.
 * New tokens should be added to headers and parsing tables below.
 */

struct sof_topology_token {
        u32 token;
        u32 type;
        int (*get_token)(void *elem, void *object, u32 offset, u32 size);
        u32 offset;
        u32 size;
};

static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
{
        struct snd_soc_tplg_vendor_value_elem *velem = elem;
        u32 *val = (u32 *)((u8 *)object + offset);

        *val = le32_to_cpu(velem->value);
        return 0;
}

static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
{
        struct snd_soc_tplg_vendor_value_elem *velem = elem;
        u16 *val = (u16 *)((u8 *)object + offset);

        *val = (u16)le32_to_cpu(velem->value);
        return 0;
}

static int get_token_uuid(void *elem, void *object, u32 offset, u32 size)
{
        struct snd_soc_tplg_vendor_uuid_elem *velem = elem;
        u8 *dst = (u8 *)object + offset;

        memcpy(dst, velem->uuid, UUID_SIZE);

        return 0;
}

static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
{
        struct snd_soc_tplg_vendor_string_elem *velem = elem;
        u32 *val = (u32 *)((u8 *)object + offset);

        *val = find_format(velem->string);
        return 0;
}

static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
{
        struct snd_soc_tplg_vendor_string_elem *velem = elem;
        u32 *val = (u32 *)((u8 *)object + offset);

        *val = find_dai(velem->string);
        return 0;
}

static int get_token_process_type(void *elem, void *object, u32 offset,
                                  u32 size)
{
        struct snd_soc_tplg_vendor_string_elem *velem = elem;
        u32 *val = (u32 *)((u8 *)object + offset);

        *val = find_process(velem->string);
        return 0;
}

/* Buffers */
static const struct sof_topology_token buffer_tokens[] = {
        {SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_buffer, size), 0},
        {SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_buffer, caps), 0},
};

/* DAI */
static const struct sof_topology_token dai_tokens[] = {
        {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
                offsetof(struct sof_ipc_comp_dai, type), 0},
        {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_dai, dai_index), 0},
        {SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_dai, direction), 0},
};

/* BE DAI link */
static const struct sof_topology_token dai_link_tokens[] = {
        {SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
                offsetof(struct sof_ipc_dai_config, type), 0},
        {SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_config, dai_index), 0},
};

/* scheduling */
static const struct sof_topology_token sched_tokens[] = {
        {SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_pipe_new, period), 0},
        {SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_pipe_new, priority), 0},
        {SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_pipe_new, period_mips), 0},
        {SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_pipe_new, core), 0},
        {SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
        {SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_pipe_new, time_domain), 0},
};

/* volume */
static const struct sof_topology_token volume_tokens[] = {
        {SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
                get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
        {SOF_TKN_VOLUME_RAMP_STEP_MS,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
};

/* SRC */
static const struct sof_topology_token src_tokens[] = {
        {SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_src, source_rate), 0},
        {SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_src, sink_rate), 0},
};

/* ASRC */
static const struct sof_topology_token asrc_tokens[] = {
        {SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_asrc, source_rate), 0},
        {SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_asrc, sink_rate), 0},
        {SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
                get_token_u32,
                offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0},
        {SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
                get_token_u32,
                offsetof(struct sof_ipc_comp_asrc, operation_mode), 0},
};

/* Tone */
static const struct sof_topology_token tone_tokens[] = {
};

/* EFFECT */
static const struct sof_topology_token process_tokens[] = {
        {SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
                get_token_process_type,
                offsetof(struct sof_ipc_comp_process, type), 0},
};

/* PCM */
static const struct sof_topology_token pcm_tokens[] = {
        {SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_host, dmac_config), 0},
};

/* PCM */
static const struct sof_topology_token stream_tokens[] = {
        {SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3,
                SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
                offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible), 0},
        {SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3,
                SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
                offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible), 0},
};

/* Generic components */
static const struct sof_topology_token comp_tokens[] = {
        {SOF_TKN_COMP_PERIOD_SINK_COUNT,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_config, periods_sink), 0},
        {SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp_config, periods_source), 0},
        {SOF_TKN_COMP_FORMAT,
                SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
                offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
};

/* SSP */
static const struct sof_topology_token ssp_tokens[] = {
        {SOF_TKN_INTEL_SSP_CLKS_CONTROL,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
        {SOF_TKN_INTEL_SSP_MCLK_ID,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
        {SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
                get_token_u32,
                offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
        {SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
                get_token_u16,
                offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
        {SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
                get_token_u32,
                offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
        {SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
                get_token_u16,
                offsetof(struct sof_ipc_dai_ssp_params,
                         tdm_per_slot_padding_flag), 0},
        {SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
                get_token_u32,
                offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},

};

/* ALH */
static const struct sof_topology_token alh_tokens[] = {
        {SOF_TKN_INTEL_ALH_RATE,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_alh_params, rate), 0},
        {SOF_TKN_INTEL_ALH_CH,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_alh_params, channels), 0},
};

/* DMIC */
static const struct sof_topology_token dmic_tokens[] = {
        {SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
                0},
        {SOF_TKN_INTEL_DMIC_CLK_MIN,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
        {SOF_TKN_INTEL_DMIC_CLK_MAX,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
        {SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
        {SOF_TKN_INTEL_DMIC_DUTY_MIN,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
        {SOF_TKN_INTEL_DMIC_DUTY_MAX,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
        {SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_dmic_params,
                         num_pdm_active), 0},
        {SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
        {SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},

};

/* ESAI */
static const struct sof_topology_token esai_tokens[] = {
        {SOF_TKN_IMX_ESAI_MCLK_ID,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0},
};

/* SAI */
static const struct sof_topology_token sai_tokens[] = {
        {SOF_TKN_IMX_SAI_MCLK_ID,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0},
};

/* Core tokens */
static const struct sof_topology_token core_tokens[] = {
        {SOF_TKN_COMP_CORE_ID,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_comp, core), 0},
};

/* Component extended tokens */
static const struct sof_topology_token comp_ext_tokens[] = {
        {SOF_TKN_COMP_UUID,
                SND_SOC_TPLG_TUPLE_TYPE_UUID, get_token_uuid,
                offsetof(struct sof_ipc_comp_ext, uuid), 0},
};

/*
 * DMIC PDM Tokens
 * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
 * as it increments the index while parsing the array of pdm tokens
 * and determines the correct offset
 */
static const struct sof_topology_token dmic_pdm_tokens[] = {
        {SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
                0},
        {SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
                0},
        {SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
                0},
        {SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
                0},
        {SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
                0},
        {SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
                0},
        {SOF_TKN_INTEL_DMIC_PDM_SKEW,
                SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
                offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
                0},
};

/* HDA */
static const struct sof_topology_token hda_tokens[] = {
        {SOF_TKN_INTEL_HDA_RATE,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_hda_params, rate), 0},
        {SOF_TKN_INTEL_HDA_CH,
                SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
                offsetof(struct sof_ipc_dai_hda_params, channels), 0},
};

/* Leds */
static const struct sof_topology_token led_tokens[] = {
        {SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
         offsetof(struct snd_sof_led_control, use_led), 0},
        {SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD,
         get_token_u32, offsetof(struct snd_sof_led_control, direction), 0},
};

static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,
                                 void *object,
                                 const struct sof_topology_token *tokens,
                                 int count,
                                 struct snd_soc_tplg_vendor_array *array,
                                 size_t offset)
{
        struct snd_soc_tplg_vendor_uuid_elem *elem;
        int found = 0;
        int i, j;

        /* parse element by element */
        for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
                elem = &array->uuid[i];

                /* search for token */
                for (j = 0; j < count; j++) {
                        /* match token type */
                        if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
                                continue;

                        /* match token id */
                        if (tokens[j].token != le32_to_cpu(elem->token))
                                continue;

                        /* matched - now load token */
                        tokens[j].get_token(elem, object,
                                            offset + tokens[j].offset,
                                            tokens[j].size);

                        found++;
                }
        }

        return found;
}

static int sof_parse_string_tokens(struct snd_soc_component *scomp,
                                   void *object,
                                   const struct sof_topology_token *tokens,
                                   int count,
                                   struct snd_soc_tplg_vendor_array *array,
                                   size_t offset)
{
        struct snd_soc_tplg_vendor_string_elem *elem;
        int found = 0;
        int i, j;

        /* parse element by element */
        for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
                elem = &array->string[i];

                /* search for token */
                for (j = 0; j < count; j++) {
                        /* match token type */
                        if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
                                continue;

                        /* match token id */
                        if (tokens[j].token != le32_to_cpu(elem->token))
                                continue;

                        /* matched - now load token */
                        tokens[j].get_token(elem, object,
                                            offset + tokens[j].offset,
                                            tokens[j].size);

                        found++;
                }
        }

        return found;
}

static int sof_parse_word_tokens(struct snd_soc_component *scomp,
                                 void *object,
                                 const struct sof_topology_token *tokens,
                                 int count,
                                 struct snd_soc_tplg_vendor_array *array,
                                 size_t offset)
{
        struct snd_soc_tplg_vendor_value_elem *elem;
        int found = 0;
        int i, j;

        /* parse element by element */
        for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
                elem = &array->value[i];

                /* search for token */
                for (j = 0; j < count; j++) {
                        /* match token type */
                        if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
                              tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
                              tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
                              tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
                                continue;

                        /* match token id */
                        if (tokens[j].token != le32_to_cpu(elem->token))
                                continue;

                        /* load token */
                        tokens[j].get_token(elem, object,
                                            offset + tokens[j].offset,
                                            tokens[j].size);

                        found++;
                }
        }

        return found;
}

/**
 * sof_parse_token_sets - Parse multiple sets of tokens
 * @scomp: pointer to soc component
 * @object: target ipc struct for parsed values
 * @tokens: token definition array describing what tokens to parse
 * @count: number of tokens in definition array
 * @array: source pointer to consecutive vendor arrays to be parsed
 * @priv_size: total size of the consecutive source arrays
 * @sets: number of similar token sets to be parsed, 1 set has count elements
 * @object_size: offset to next target ipc struct with multiple sets
 *
 * This function parses multiple sets of tokens in vendor arrays into
 * consecutive ipc structs.
 */
static int sof_parse_token_sets(struct snd_soc_component *scomp,
                                void *object,
                                const struct sof_topology_token *tokens,
                                int count,
                                struct snd_soc_tplg_vendor_array *array,
                                int priv_size, int sets, size_t object_size)
{
        size_t offset = 0;
        int found = 0;
        int total = 0;
        int asize;

        while (priv_size > 0 && total < count * sets) {
                asize = le32_to_cpu(array->size);

                /* validate asize */
                if (asize < 0) { /* FIXME: A zero-size array makes no sense */
                        dev_err(scomp->dev, "error: invalid array size 0x%x\n",
                                asize);
                        return -EINVAL;
                }

                /* make sure there is enough data before parsing */
                priv_size -= asize;
                if (priv_size < 0) {
                        dev_err(scomp->dev, "error: invalid array size 0x%x\n",
                                asize);
                        return -EINVAL;
                }

                /* call correct parser depending on type */
                switch (le32_to_cpu(array->type)) {
                case SND_SOC_TPLG_TUPLE_TYPE_UUID:
                        found += sof_parse_uuid_tokens(scomp, object, tokens,
                                                       count, array, offset);
                        break;
                case SND_SOC_TPLG_TUPLE_TYPE_STRING:
                        found += sof_parse_string_tokens(scomp, object, tokens,
                                                         count, array, offset);
                        break;
                case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
                case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
                case SND_SOC_TPLG_TUPLE_TYPE_WORD:
                case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
                        found += sof_parse_word_tokens(scomp, object, tokens,
                                                       count, array, offset);
                        break;
                default:
                        dev_err(scomp->dev, "error: unknown token type %d\n",
                                array->type);
                        return -EINVAL;
                }

                /* next array */
                array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
                        + asize);

                /* move to next target struct */
                if (found >= count) {
                        offset += object_size;
                        total += found;
                        found = 0;
                }
        }

        return 0;
}

static int sof_parse_tokens(struct snd_soc_component *scomp,
                            void *object,
                            const struct sof_topology_token *tokens,
                            int count,
                            struct snd_soc_tplg_vendor_array *array,

                            int priv_size)
{
        /*
         * sof_parse_tokens is used when topology contains only a single set of
         * identical tuples arrays. So additional parameters to
         * sof_parse_token_sets are sets = 1 (only 1 set) and
         * object_size = 0 (irrelevant).
         */
        return sof_parse_token_sets(scomp, object, tokens, count, array,
                                    priv_size, 1, 0);
}

static void sof_dbg_comp_config(struct snd_soc_component *scomp,
                                struct sof_ipc_comp_config *config)
{
        dev_dbg(scomp->dev, " config: periods snk %d src %d fmt %d\n",
                config->periods_sink, config->periods_source,
                config->frame_fmt);
}

/*
 * Standard Kcontrols.
 */

static int sof_control_load_volume(struct snd_soc_component *scomp,
                                   struct snd_sof_control *scontrol,
                                   struct snd_kcontrol_new *kc,
                                   struct snd_soc_tplg_ctl_hdr *hdr)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_mixer_control *mc =
                container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
        struct sof_ipc_ctrl_data *cdata;
        int tlv[TLV_ITEMS];
        unsigned int i;
        int ret;

        /* validate topology data */
        if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) {
                ret = -EINVAL;
                goto out;
        }

        /*
         * If control has more than 2 channels we need to override the info. This is because even if
         * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the
         * pre-defined dapm control types (and related functions) creating the actual control
         * restrict the channels only to mono or stereo.
         */
        if (le32_to_cpu(mc->num_channels) > 2)
                kc->info = snd_sof_volume_info;

        /* init the volume get/put data */
        scontrol->size = struct_size(scontrol->control_data, chanv,
                                     le32_to_cpu(mc->num_channels));
        scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
        if (!scontrol->control_data) {
                ret = -ENOMEM;
                goto out;
        }

        scontrol->comp_id = sdev->next_comp_id;
        scontrol->min_volume_step = le32_to_cpu(mc->min);
        scontrol->max_volume_step = le32_to_cpu(mc->max);
        scontrol->num_channels = le32_to_cpu(mc->num_channels);

        /* set cmd for mixer control */
        if (le32_to_cpu(mc->max) == 1) {
                scontrol->cmd = SOF_CTRL_CMD_SWITCH;
                goto skip;
        }

        scontrol->cmd = SOF_CTRL_CMD_VOLUME;

        /* extract tlv data */
        if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) {
                dev_err(scomp->dev, "error: invalid TLV data\n");
                ret = -EINVAL;
                goto out_free;
        }

        /* set up volume table */
        ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
        if (ret < 0) {
                dev_err(scomp->dev, "error: setting up volume table\n");
                goto out_free;
        }

        /* set default volume values to 0dB in control */
        cdata = scontrol->control_data;
        for (i = 0; i < scontrol->num_channels; i++) {
                cdata->chanv[i].channel = i;
                cdata->chanv[i].value = VOL_ZERO_DB;
        }

skip:
        /* set up possible led control from mixer private data */
        ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
                               ARRAY_SIZE(led_tokens), mc->priv.array,
                               le32_to_cpu(mc->priv.size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse led tokens failed %d\n",
                        le32_to_cpu(mc->priv.size));
                goto out_free_table;
        }

        dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
                scontrol->comp_id, scontrol->num_channels);

        return 0;

out_free_table:
        if (le32_to_cpu(mc->max) > 1)
                kfree(scontrol->volume_table);
out_free:
        kfree(scontrol->control_data);
out:
        return ret;
}

static int sof_control_load_enum(struct snd_soc_component *scomp,
                                 struct snd_sof_control *scontrol,
                                 struct snd_kcontrol_new *kc,
                                 struct snd_soc_tplg_ctl_hdr *hdr)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_enum_control *ec =
                container_of(hdr, struct snd_soc_tplg_enum_control, hdr);

        /* validate topology data */
        if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
                return -EINVAL;

        /* init the enum get/put data */
        scontrol->size = struct_size(scontrol->control_data, chanv,
                                     le32_to_cpu(ec->num_channels));
        scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
        if (!scontrol->control_data)
                return -ENOMEM;

        scontrol->comp_id = sdev->next_comp_id;
        scontrol->num_channels = le32_to_cpu(ec->num_channels);

        scontrol->cmd = SOF_CTRL_CMD_ENUM;

        dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
                scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);

        return 0;
}

static int sof_control_load_bytes(struct snd_soc_component *scomp,
                                  struct snd_sof_control *scontrol,
                                  struct snd_kcontrol_new *kc,
                                  struct snd_soc_tplg_ctl_hdr *hdr)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct sof_ipc_ctrl_data *cdata;
        struct snd_soc_tplg_bytes_control *control =
                container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
        struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
        size_t max_size = sbe->max;
        size_t priv_size = le32_to_cpu(control->priv.size);
        int ret;

        if (max_size < sizeof(struct sof_ipc_ctrl_data) ||
            max_size < sizeof(struct sof_abi_hdr)) {
                ret = -EINVAL;
                goto out;
        }

        /* init the get/put bytes data */
        if (priv_size > max_size - sizeof(struct sof_ipc_ctrl_data)) {
                dev_err(scomp->dev, "err: bytes data size %zu exceeds max %zu.\n",
                        priv_size, max_size - sizeof(struct sof_ipc_ctrl_data));
                ret = -EINVAL;
                goto out;
        }

        scontrol->size = sizeof(struct sof_ipc_ctrl_data) + priv_size;

        scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
        cdata = scontrol->control_data;
        if (!scontrol->control_data) {
                ret = -ENOMEM;
                goto out;
        }

        scontrol->comp_id = sdev->next_comp_id;
        scontrol->cmd = SOF_CTRL_CMD_BINARY;

        dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
                scontrol->comp_id, scontrol->num_channels);

        if (le32_to_cpu(control->priv.size) > 0) {
                memcpy(cdata->data, control->priv.data,
                       le32_to_cpu(control->priv.size));

                if (cdata->data->magic != SOF_ABI_MAGIC) {
                        dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n",
                                cdata->data->magic);
                        ret = -EINVAL;
                        goto out_free;
                }
                if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
                                                 cdata->data->abi)) {
                        dev_err(scomp->dev,
                                "error: Incompatible ABI version 0x%08x.\n",
                                cdata->data->abi);
                        ret = -EINVAL;
                        goto out_free;
                }
                if (cdata->data->size + sizeof(struct sof_abi_hdr) !=
                    le32_to_cpu(control->priv.size)) {
                        dev_err(scomp->dev,
                                "error: Conflict in bytes vs. priv size.\n");
                        ret = -EINVAL;
                        goto out_free;
                }
        }

        return 0;

out_free:
        kfree(scontrol->control_data);
out:
        return ret;
}

/* external kcontrol init - used for any driver specific init */
static int sof_control_load(struct snd_soc_component *scomp, int index,
                            struct snd_kcontrol_new *kc,
                            struct snd_soc_tplg_ctl_hdr *hdr)
{
        struct soc_mixer_control *sm;
        struct soc_bytes_ext *sbe;
        struct soc_enum *se;
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_dobj *dobj;
        struct snd_sof_control *scontrol;
        int ret;

        dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
                hdr->type, hdr->name);

        scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
        if (!scontrol)
                return -ENOMEM;

        scontrol->scomp = scomp;

        switch (le32_to_cpu(hdr->ops.info)) {
        case SND_SOC_TPLG_CTL_VOLSW:
        case SND_SOC_TPLG_CTL_VOLSW_SX:
        case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
                sm = (struct soc_mixer_control *)kc->private_value;
                dobj = &sm->dobj;
                ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
                break;
        case SND_SOC_TPLG_CTL_BYTES:
                sbe = (struct soc_bytes_ext *)kc->private_value;
                dobj = &sbe->dobj;
                ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
                break;
        case SND_SOC_TPLG_CTL_ENUM:
        case SND_SOC_TPLG_CTL_ENUM_VALUE:
                se = (struct soc_enum *)kc->private_value;
                dobj = &se->dobj;
                ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
                break;
        case SND_SOC_TPLG_CTL_RANGE:
        case SND_SOC_TPLG_CTL_STROBE:
        case SND_SOC_TPLG_DAPM_CTL_VOLSW:
        case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
        case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
        case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
        case SND_SOC_TPLG_DAPM_CTL_PIN:
        default:
                dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
                         hdr->ops.get, hdr->ops.put, hdr->ops.info);
                kfree(scontrol);
                return 0;
        }

        if (ret < 0) {
                kfree(scontrol);
                return ret;
        }

        scontrol->led_ctl.led_value = -1;

        dobj->private = scontrol;
        list_add(&scontrol->list, &sdev->kcontrol_list);
        return 0;
}

static int sof_control_unload(struct snd_soc_component *scomp,
                              struct snd_soc_dobj *dobj)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct sof_ipc_free fcomp;
        struct snd_sof_control *scontrol = dobj->private;

        dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name);

        fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
        fcomp.hdr.size = sizeof(fcomp);
        fcomp.id = scontrol->comp_id;

        kfree(scontrol->control_data);
        list_del(&scontrol->list);
        kfree(scontrol);
        /* send IPC to the DSP */
        return sof_ipc_tx_message(sdev->ipc,
                                  fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
                                  NULL, 0);
}

/*
 * DAI Topology
 */

/* Static DSP core power management so far, should be extended in the future */
static int sof_core_enable(struct snd_sof_dev *sdev, int core)
{
        struct sof_ipc_pm_core_config pm_core_config = {
                .hdr = {
                        .cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE,
                        .size = sizeof(pm_core_config),
                },
                .enable_mask = sdev->enabled_cores_mask | BIT(core),
        };
        int ret;

        if (sdev->enabled_cores_mask & BIT(core))
                return 0;

        /* power up the core if it is host managed */
        ret = snd_sof_dsp_core_power_up(sdev, BIT(core));
        if (ret < 0) {
                dev_err(sdev->dev, "error: %d powering up core %d\n",
                        ret, core);
                return ret;
        }

        /* Now notify DSP */
        ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
                                 &pm_core_config, sizeof(pm_core_config),
                                 &pm_core_config, sizeof(pm_core_config));
        if (ret < 0) {
                dev_err(sdev->dev, "error: core %d enable ipc failure %d\n",
                        core, ret);
                goto err;
        }
        return ret;
err:
        /* power down core if it is host managed and return the original error if this fails too */
        if (snd_sof_dsp_core_power_down(sdev, BIT(core)) < 0)
                dev_err(sdev->dev, "error: powering down core %d\n", core);

        return ret;
}

int sof_pipeline_core_enable(struct snd_sof_dev *sdev,
                             const struct snd_sof_widget *swidget)
{
        const struct sof_ipc_pipe_new *pipeline;
        int ret;

        if (swidget->id == snd_soc_dapm_scheduler) {
                pipeline = swidget->private;
        } else {
                pipeline = snd_sof_pipeline_find(sdev, swidget->pipeline_id);
                if (!pipeline)
                        return -ENOENT;
        }

        /* First enable the pipeline core */
        ret = sof_core_enable(sdev, pipeline->core);
        if (ret < 0)
                return ret;

        return sof_core_enable(sdev, swidget->core);
}

static int sof_connect_dai_widget(struct snd_soc_component *scomp,
                                  struct snd_soc_dapm_widget *w,
                                  struct snd_soc_tplg_dapm_widget *tw,
                                  struct snd_sof_dai *dai)
{
        struct snd_soc_card *card = scomp->card;
        struct snd_soc_pcm_runtime *rtd;
        struct snd_soc_dai *cpu_dai;
        int i;

        list_for_each_entry(rtd, &card->rtd_list, list) {
                dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
                         w->name,  w->sname, rtd->dai_link->stream_name);

                if (!w->sname || !rtd->dai_link->stream_name)
                        continue;

                /* does stream match DAI link ? */
                if (strcmp(w->sname, rtd->dai_link->stream_name))
                        continue;

                switch (w->id) {
                case snd_soc_dapm_dai_out:
                        for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
                                /*
                                 * Please create DAI widget in the right order
                                 * to ensure BE will connect to the right DAI
                                 * widget.
                                 */
                                if (!cpu_dai->capture_widget) {
                                        cpu_dai->capture_widget = w;
                                        break;
                                }
                        }
                        if (i == rtd->num_cpus) {
                                dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
                                        w->name);

                                return -EINVAL;
                        }
                        dai->name = rtd->dai_link->name;
                        dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
                                w->name, rtd->dai_link->name);
                        break;
                case snd_soc_dapm_dai_in:
                        for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
                                /*
                                 * Please create DAI widget in the right order
                                 * to ensure BE will connect to the right DAI
                                 * widget.
                                 */
                                if (!cpu_dai->playback_widget) {
                                        cpu_dai->playback_widget = w;
                                        break;
                                }
                        }
                        if (i == rtd->num_cpus) {
                                dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
                                        w->name);

                                return -EINVAL;
                        }
                        dai->name = rtd->dai_link->name;
                        dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
                                w->name, rtd->dai_link->name);
                        break;
                default:
                        break;
                }
        }

        /* check we have a connection */
        if (!dai->name) {
                dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
                        w->name, w->sname);
                return -EINVAL;
        }

        return 0;
}

/**
 * sof_comp_alloc - allocate and initialize buffer for a new component
 * @swidget: pointer to struct snd_sof_widget containing extended data
 * @ipc_size: IPC payload size that will be updated depending on valid
 *  extended data.
 * @index: ID of the pipeline the component belongs to
 *
 * Return: The pointer to the new allocated component, NULL if failed.
 */
static struct sof_ipc_comp *sof_comp_alloc(struct snd_sof_widget *swidget,
                                           size_t *ipc_size, int index)
{
        u8 nil_uuid[SOF_UUID_SIZE] = {0};
        struct sof_ipc_comp *comp;
        size_t total_size = *ipc_size;

        /* only non-zero UUID is valid */
        if (memcmp(&swidget->comp_ext, nil_uuid, SOF_UUID_SIZE))
                total_size += sizeof(swidget->comp_ext);

        comp = kzalloc(total_size, GFP_KERNEL);
        if (!comp)
                return NULL;

        /* configure comp new IPC message */
        comp->hdr.size = total_size;
        comp->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
        comp->id = swidget->comp_id;
        comp->pipeline_id = index;
        comp->core = swidget->core;

        /* handle the extended data if needed */
        if (total_size > *ipc_size) {
                /* append extended data to the end of the component */
                memcpy((u8 *)comp + *ipc_size, &swidget->comp_ext, sizeof(swidget->comp_ext));
                comp->ext_data_length = sizeof(swidget->comp_ext);
        }

        /* update ipc_size and return */
        *ipc_size = total_size;
        return comp;
}

static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
                               struct snd_sof_widget *swidget,
                               struct snd_soc_tplg_dapm_widget *tw,
                               struct sof_ipc_comp_reply *r,
                               struct snd_sof_dai *dai)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_comp_dai *comp_dai;
        size_t ipc_size = sizeof(*comp_dai);
        int ret;

        comp_dai = (struct sof_ipc_comp_dai *)
                   sof_comp_alloc(swidget, &ipc_size, index);
        if (!comp_dai)
                return -ENOMEM;

        /* configure dai IPC message */
        comp_dai->comp.type = SOF_COMP_DAI;
        comp_dai->config.hdr.size = sizeof(comp_dai->config);

        ret = sof_parse_tokens(scomp, comp_dai, dai_tokens,
                               ARRAY_SIZE(dai_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse dai tokens failed %d\n",
                        le32_to_cpu(private->size));
                goto finish;
        }

        ret = sof_parse_tokens(scomp, &comp_dai->config, comp_tokens,
                               ARRAY_SIZE(comp_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n",
                        private->size);
                goto finish;
        }

        dev_dbg(scomp->dev, "dai %s: type %d index %d\n",
                swidget->widget->name, comp_dai->type, comp_dai->dai_index);
        sof_dbg_comp_config(scomp, &comp_dai->config);

        ret = sof_ipc_tx_message(sdev->ipc, comp_dai->comp.hdr.cmd,
                                 comp_dai, ipc_size, r, sizeof(*r));

        if (ret == 0 && dai) {
                dai->scomp = scomp;

                /*
                 * copy only the sof_ipc_comp_dai to avoid collapsing
                 * the snd_sof_dai, the extended data is kept in the
                 * snd_sof_widget.
                 */
                memcpy(&dai->comp_dai, comp_dai, sizeof(*comp_dai));
        }

finish:
        kfree(comp_dai);
        return ret;
}

/*
 * Buffer topology
 */

static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
                                  struct snd_sof_widget *swidget,
                                  struct snd_soc_tplg_dapm_widget *tw,
                                  struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_buffer *buffer;
        int ret;

        buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
        if (!buffer)
                return -ENOMEM;

        /* configure dai IPC message */
        buffer->comp.hdr.size = sizeof(*buffer);
        buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
        buffer->comp.id = swidget->comp_id;
        buffer->comp.type = SOF_COMP_BUFFER;
        buffer->comp.pipeline_id = index;
        buffer->comp.core = swidget->core;

        ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
                               ARRAY_SIZE(buffer_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse buffer tokens failed %d\n",
                        private->size);
                kfree(buffer);
                return ret;
        }

        dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n",
                swidget->widget->name, buffer->size, buffer->caps);

        swidget->private = buffer;

        ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
                                 sizeof(*buffer), r, sizeof(*r));
        if (ret < 0) {
                dev_err(scomp->dev, "error: buffer %s load failed\n",
                        swidget->widget->name);
                kfree(buffer);
        }

        return ret;
}

/* bind PCM ID to host component ID */
static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
                     int dir)
{
        struct snd_sof_widget *host_widget;

        host_widget = snd_sof_find_swidget_sname(scomp,
                                                 spcm->pcm.caps[dir].name,
                                                 dir);
        if (!host_widget) {
                dev_err(scomp->dev, "can't find host comp to bind pcm\n");
                return -EINVAL;
        }

        spcm->stream[dir].comp_id = host_widget->comp_id;

        return 0;
}

/*
 * PCM Topology
 */

static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
                               struct snd_sof_widget *swidget,
                               enum sof_ipc_stream_direction dir,
                               struct snd_soc_tplg_dapm_widget *tw,
                               struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_comp_host *host;
        size_t ipc_size = sizeof(*host);
        int ret;

        host = (struct sof_ipc_comp_host *)
               sof_comp_alloc(swidget, &ipc_size, index);
        if (!host)
                return -ENOMEM;

        /* configure host comp IPC message */
        host->comp.type = SOF_COMP_HOST;
        host->direction = dir;
        host->config.hdr.size = sizeof(host->config);

        ret = sof_parse_tokens(scomp, host, pcm_tokens,
                               ARRAY_SIZE(pcm_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse host tokens failed %d\n",
                        private->size);
                goto err;
        }

        ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
                               ARRAY_SIZE(comp_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n",
                        le32_to_cpu(private->size));
                goto err;
        }

        dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name);
        sof_dbg_comp_config(scomp, &host->config);

        swidget->private = host;

        ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
                                 ipc_size, r, sizeof(*r));
        if (ret >= 0)
                return ret;
err:
        kfree(host);
        return ret;
}

/*
 * Pipeline Topology
 */
int sof_load_pipeline_ipc(struct device *dev,
                          struct sof_ipc_pipe_new *pipeline,
                          struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = dev_get_drvdata(dev);
        int ret = sof_core_enable(sdev, pipeline->core);

        if (ret < 0)
                return ret;

        ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
                                 sizeof(*pipeline), r, sizeof(*r));
        if (ret < 0)
                dev_err(dev, "error: load pipeline ipc failure\n");

        return ret;
}

static int sof_widget_load_pipeline(struct snd_soc_component *scomp, int index,
                                    struct snd_sof_widget *swidget,
                                    struct snd_soc_tplg_dapm_widget *tw,
                                    struct sof_ipc_comp_reply *r)
{
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_pipe_new *pipeline;
        struct snd_sof_widget *comp_swidget;
        int ret;

        pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
        if (!pipeline)
                return -ENOMEM;

        /* configure dai IPC message */
        pipeline->hdr.size = sizeof(*pipeline);
        pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
        pipeline->pipeline_id = index;
        pipeline->comp_id = swidget->comp_id;

        /* component at start of pipeline is our stream id */
        comp_swidget = snd_sof_find_swidget(scomp, tw->sname);
        if (!comp_swidget) {
                dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n",
                        tw->name, tw->sname);
                ret = -EINVAL;
                goto err;
        }

        pipeline->sched_id = comp_swidget->comp_id;

        dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
                pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);

        ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
                               ARRAY_SIZE(sched_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n",
                        private->size);
                goto err;
        }

        dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
                swidget->widget->name, pipeline->period, pipeline->priority,
                pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);

        swidget->private = pipeline;

        /* send ipc's to create pipeline comp and power up schedule core */
        ret = sof_load_pipeline_ipc(scomp->dev, pipeline, r);
        if (ret >= 0)
                return ret;
err:
        kfree(pipeline);
        return ret;
}

/*
 * Mixer topology
 */

static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
                                 struct snd_sof_widget *swidget,
                                 struct snd_soc_tplg_dapm_widget *tw,
                                 struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_comp_mixer *mixer;
        size_t ipc_size = sizeof(*mixer);
        int ret;

        mixer = (struct sof_ipc_comp_mixer *)
                sof_comp_alloc(swidget, &ipc_size, index);
        if (!mixer)
                return -ENOMEM;

        /* configure mixer IPC message */
        mixer->comp.type = SOF_COMP_MIXER;
        mixer->config.hdr.size = sizeof(mixer->config);

        ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
                               ARRAY_SIZE(comp_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n",
                        private->size);
                kfree(mixer);
                return ret;
        }

        sof_dbg_comp_config(scomp, &mixer->config);

        swidget->private = mixer;

        ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
                                 ipc_size, r, sizeof(*r));
        if (ret < 0)
                kfree(mixer);

        return ret;
}

/*
 * Mux topology
 */
static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
                               struct snd_sof_widget *swidget,
                               struct snd_soc_tplg_dapm_widget *tw,
                               struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_comp_mux *mux;
        size_t ipc_size = sizeof(*mux);
        int ret;

        mux = (struct sof_ipc_comp_mux *)
              sof_comp_alloc(swidget, &ipc_size, index);
        if (!mux)
                return -ENOMEM;

        /* configure mux IPC message */
        mux->comp.type = SOF_COMP_MUX;
        mux->config.hdr.size = sizeof(mux->config);

        ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
                               ARRAY_SIZE(comp_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n",
                        private->size);
                kfree(mux);
                return ret;
        }

        sof_dbg_comp_config(scomp, &mux->config);

        swidget->private = mux;

        ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
                                 ipc_size, r, sizeof(*r));
        if (ret < 0)
                kfree(mux);

        return ret;
}

/*
 * PGA Topology
 */

static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
                               struct snd_sof_widget *swidget,
                               struct snd_soc_tplg_dapm_widget *tw,
                               struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_comp_volume *volume;
        struct snd_sof_control *scontrol;
        size_t ipc_size = sizeof(*volume);
        int min_step;
        int max_step;
        int ret;

        volume = (struct sof_ipc_comp_volume *)
                 sof_comp_alloc(swidget, &ipc_size, index);
        if (!volume)
                return -ENOMEM;

        if (!le32_to_cpu(tw->num_kcontrols)) {
                dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n",
                        tw->num_kcontrols);
                ret = -EINVAL;
                goto err;
        }

        /* configure volume IPC message */
        volume->comp.type = SOF_COMP_VOLUME;
        volume->config.hdr.size = sizeof(volume->config);

        ret = sof_parse_tokens(scomp, volume, volume_tokens,
                               ARRAY_SIZE(volume_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse volume tokens failed %d\n",
                        private->size);
                goto err;
        }
        ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
                               ARRAY_SIZE(comp_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n",
                        le32_to_cpu(private->size));
                goto err;
        }

        sof_dbg_comp_config(scomp, &volume->config);

        swidget->private = volume;

        list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
                if (scontrol->comp_id == swidget->comp_id &&
                    scontrol->volume_table) {
                        min_step = scontrol->min_volume_step;
                        max_step = scontrol->max_volume_step;
                        volume->min_value = scontrol->volume_table[min_step];
                        volume->max_value = scontrol->volume_table[max_step];
                        volume->channels = scontrol->num_channels;
                        break;
                }
        }

        ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
                                 ipc_size, r, sizeof(*r));
        if (ret >= 0)
                return ret;
err:
        kfree(volume);
        return ret;
}

/*
 * SRC Topology
 */

static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
                               struct snd_sof_widget *swidget,
                               struct snd_soc_tplg_dapm_widget *tw,
                               struct sof_ipc_comp_reply *r)
{
        struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
        struct snd_soc_tplg_private *private = &tw->priv;
        struct sof_ipc_comp_src *src;
        size_t ipc_size = sizeof(*src);
        int ret;

        src = (struct sof_ipc_comp_src *)
              sof_comp_alloc(swidget, &ipc_size, index);
        if (!src)
                return -ENOMEM;

        /* configure src IPC message */
        src->comp.type = SOF_COMP_SRC;
        src->config.hdr.size = sizeof(src->config);

        ret = sof_parse_tokens(scomp, src, src_tokens,
                               ARRAY_SIZE(src_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse src tokens failed %d\n",
                        private->size);
                goto err;
        }

        ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
                               ARRAY_SIZE(comp_tokens), private->array,
                               le32_to_cpu(private->size));
        if (ret != 0) {
                dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n",
                        le32_to_cpu(private->size));
                goto err;
        }

        dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n",
                swidget->widget->name, src->source_rate, src->sink_rate);
        sof_dbg_comp_config(scomp, &src->config);

        swidget->private = src;

        ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
                                 ipc_size, r, sizeof(*r));
        if (ret >= 0)
                return ret;
err:
        kfree(src);