zircon/system/dev/audio/sherlock-tdm-output/audio-stream-out.h

// Copyright 2018 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 <audio-proto/audio-proto.h>
#include <ddk/io-buffer.h>
#include <ddk/metadata.h>
#include <ddk/protocol/i2c.h>
#include <ddk/protocol/platform/device.h>
#include <ddktl/device-internal.h>
#include <ddktl/device.h>
#include <ddktl/metadata/audio.h>
#include <lib/device-protocol/pdev.h>
#include <ddktl/protocol/gpio.h>
#include <dispatcher-pool/dispatcher-timer.h>
#include <fbl/array.h>
#include <fbl/mutex.h>
#include <lib/fzl/pinned-vmo.h>
#include <lib/simple-audio-stream/simple-audio-stream.h>
#include <lib/zx/bti.h>
#include <lib/zx/vmo.h>
#include <soc/aml-common/aml-tdm-audio.h>
#include <lib/zircon-internal/thread_annotations.h>

#include "tas5720.h"

namespace audio {
namespace sherlock {

class SherlockAudioStreamOut : public SimpleAudioStream {
 public:
  SherlockAudioStreamOut(zx_device_t* parent);

 protected:
  zx_status_t Init() TA_REQ(domain_->token()) override;
  zx_status_t ChangeFormat(const audio_proto::StreamSetFmtReq& req)
      TA_REQ(domain_->token()) override;
  zx_status_t GetBuffer(const audio_proto::RingBufGetBufferReq& req, uint32_t* out_num_rb_frames,
                        zx::vmo* out_buffer) TA_REQ(domain_->token()) override;
  zx_status_t Start(uint64_t* out_start_time) TA_REQ(domain_->token()) override;
  zx_status_t Stop() TA_REQ(domain_->token()) override;
  zx_status_t SetGain(const audio_proto::SetGainReq& req) TA_REQ(domain_->token()) override;
  void ShutdownHook() TA_REQ(domain_->token()) override;
  zx_status_t InitPost() override;

 private:
  friend class fbl::RefPtr<SherlockAudioStreamOut>;

  zx_status_t AddFormats() TA_REQ(domain_->token());
  zx_status_t InitBuffer(size_t size) TA_REQ(domain_->token());
  zx_status_t InitPdev() TA_REQ(domain_->token());
  zx_status_t ProcessRingNotification();

  uint32_t us_per_notification_ = 0;
  fbl::RefPtr<dispatcher::Timer> notify_timer_;
  ddk::PDev pdev_ TA_GUARDED(domain_->token());
  metadata::Codec codecs_types_ TA_GUARDED(domain_->token());
  fbl::Array<fbl::unique_ptr<Codec>> codecs_ TA_GUARDED(domain_->token());
  zx::vmo ring_buffer_vmo_ TA_GUARDED(domain_->token());
  fzl::PinnedVmo pinned_ring_buffer_ TA_GUARDED(domain_->token());
  fbl::unique_ptr<AmlTdmDevice> aml_audio_;
  ddk::GpioProtocolClient audio_en_ TA_GUARDED(domain_->token());
  ddk::GpioProtocolClient audio_fault_ TA_GUARDED(domain_->token());
  zx::bti bti_ TA_GUARDED(domain_->token());
};

}  // namespace sherlock
}  // namespace audio