zircon/system/dev/audio/mt8167-tdm-output/codec.h

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#pragma once

#include <ddk/debug.h>
#include <ddktl/protocol/codec.h>
#include <lib/sync/completion.h>
#include <lib/zx/time.h>

namespace audio {
namespace mt8167 {

static constexpr sample_format_t wanted_sample_format = SAMPLE_FORMAT_PCM_SIGNED;
static constexpr justify_format_t wanted_justify_format = JUSTIFY_FORMAT_JUSTIFY_I2S;
static constexpr uint32_t wanted_frame_rate = 48000;
static constexpr uint8_t wanted_bits_per_sample = 32;
static constexpr uint8_t wanted_bits_per_channel = 32;

struct Codec {
    static constexpr uint32_t kCodecTimeoutSecs = 1;

    struct AsyncOut {
        sync_completion_t completion;
        zx_status_t status;
    };

    zx_status_t Reset();
    zx_status_t SetNotBridged();
    void CheckAndSetUnb();
    zx_status_t CheckExpectedDaiFormat();
    zx_status_t SetDaiFormat(dai_format_t format);
    zx_status_t GetGainFormat(gain_format_t* format);
    zx_status_t GetGainState(gain_state_t* state);
    zx_status_t SetGainState(gain_state_t* state);

    ddk::CodecProtocolClient proto_client_;
};

} // namespace mt8167
} // namespace audio