// SPDX-License-Identifier: MPL-2.0
// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)

#pragma once

#include <services/common/fence.h>
#include "nvdevice.h"

namespace skyline::service::nvdrv::device {
    /**
     * @brief NvHostChannel is used as a common interface for all Channel devices (https://switchbrew.org/wiki/NV_services#Channels)
     */
    class NvHostChannel : public NvDevice {
      private:
        enum class NvChannelPriority : u32 {
            Low = 0x32,
            Medium = 0x64,
            High = 0x94
        };

        Fence channelFence{};
        u32 timeslice{};
        std::shared_ptr<type::KEvent> smExceptionBreakpointIntReportEvent;
        std::shared_ptr<type::KEvent> smExceptionBreakpointPauseReportEvent;
        std::shared_ptr<type::KEvent> errorNotifierEvent;

      public:
        NvHostChannel(const DeviceState &state);

        /**
         * @brief This sets the nvmap file descriptor (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_SET_NVMAP_FD)
         */
        void SetNvmapFd(IoctlData &buffer);

        /**
         * @brief This sets the timeout for the channel (https://switchbrew.org/wiki/NV_services#NVHOST_IOCTL_CHANNEL_SET_SUBMIT_TIMEOUT)
         */
        void SetSubmitTimeout(IoctlData &buffer);

        /**
         * @brief This submits a command to the GPFIFO (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_SUBMIT_GPFIFO)
         */
        void SubmitGpfifo(IoctlData &buffer);

        /**
         * @brief This allocates a graphic context object (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_ALLOC_OBJ_CTX)
         */
        void AllocObjCtx(IoctlData &buffer);

        /**
         * @brief This initializes the error notifier for this channel (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_ZCULL_BIND)
         */
        void ZcullBind(IoctlData &buffer);

        /**
         * @brief This initializes the error notifier for this channel (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_SET_ERROR_NOTIFIER)
         */
        void SetErrorNotifier(IoctlData &buffer);

        /**
         * @brief This sets the priority of the channel (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_SET_PRIORITY)
         */
        void SetPriority(IoctlData &buffer);

        /**
         * @brief This allocates a GPFIFO entry (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_ALLOC_GPFIFO_EX2)
         */
        void AllocGpfifoEx2(IoctlData &buffer);

        /**
         * @brief This sets the user specific data (https://switchbrew.org/wiki/NV_services#NVGPU_IOCTL_CHANNEL_SET_USER_DATA)
         */
        void SetUserData(IoctlData &buffer);

        std::shared_ptr<type::KEvent> QueryEvent(u32 eventId);
    };
}