lib/magma/src/magma_util/platform/zircon/zircon_platform_pci_device.h

// Copyright 2016 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.

#ifndef ZIRCON_PLATFORM_PCI_DEVICE_H
#define ZIRCON_PLATFORM_PCI_DEVICE_H

#include "platform_pci_device.h"

#include <ddk/device.h>
#include <ddk/protocol/pci.h>
#include <ddk/protocol/pci-lib.h>

namespace magma {

class ZirconPlatformPciDevice : public PlatformPciDevice {
public:
    ZirconPlatformPciDevice(zx_device_t* zx_device, pci_protocol_t& pci)
        : zx_device_(zx_device), pci_(pci)
    {
    }

    ~ZirconPlatformPciDevice() override;

    void* GetDeviceHandle() override { return zx_device(); }

    std::unique_ptr<PlatformHandle> GetBusTransactionInitiator() override;

    bool ReadPciConfig16(uint64_t addr, uint16_t* value) override;

    std::unique_ptr<PlatformMmio> CpuMapPciMmio(unsigned int pci_bar,
                                                PlatformMmio::CachePolicy cache_policy) override;

    std::unique_ptr<PlatformInterrupt> RegisterInterrupt() override;

private:
    zx_device_t* zx_device() const { return zx_device_; }
    pci_protocol_t& pci() { return pci_; }

    zx_device_t* zx_device_;
    pci_protocol_t pci_;
};

} // namespace magma

#endif // ZIRCON_PLATFORM_PCI_DEVICE_H