zircon/system/uapp/ihda/intel_hda_controller.h

// Copyright 2017 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 <fbl/intrusive_wavl_tree.h>
#include <fbl/unique_ptr.h>

#include "intel_hda_codec.h"
#include "intel_hda_device.h"

namespace audio {
namespace intel_hda {

class IntelHDAController : public IntelHDADevice,
                           public fbl::WAVLTreeContainable<fbl::unique_ptr<IntelHDAController>> {
public:
    using ControllerTree = fbl::WAVLTree<uint32_t, fbl::unique_ptr<IntelHDAController>>;

    zx_status_t DumpRegs(int argc, const char** argv);

    uint32_t id()     const { return id_; }
    uint32_t GetKey() const { return id(); }

    static zx_status_t Enumerate();
    static ControllerTree& controllers() { return controllers_; }

private:
    friend class std::default_delete<IntelHDAController>;

    IntelHDAController(uint32_t id, const char* const dev_name)
        : IntelHDADevice(dev_name, Type::Controller),
          id_(id) { }

    ~IntelHDAController() { }

    const uint32_t id_;
    static ControllerTree controllers_;
};

}  // namespace audio
}  // namespace intel_hda