// Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT

#pragma once

#include <string>

#include "ck_tile/core.hpp"
#include "ck_tile/host/kernel_launch.hpp"
#include "ck_tile/ops/epilogue.hpp"
#include "ck_tile/ops/gemm.hpp"
#include "ck_tile/ops/gemm_mx/kernel/scale_pointer.hpp"

template <typename ScaleM, typename ScaleN>
struct MXGemmHostArgs : ck_tile::UniversalGemmHostArgs<1, 1, 0>
{
    using Base = ck_tile::UniversalGemmHostArgs<1, 1, 0>;

    MXGemmHostArgs(const void* a_ptr,
                   const void* b_ptr,
                   void* c_ptr_,
                   ck_tile::index_t k_batch_,
                   ck_tile::index_t M_,
                   ck_tile::index_t N_,
                   ck_tile::index_t K_,
                   ck_tile::index_t stride_A_,
                   ck_tile::index_t stride_B_,
                   ck_tile::index_t stride_C_,
                   ScaleM scale_m_,
                   ScaleN scale_n_)
        : Base({a_ptr}, {b_ptr}, {}, c_ptr_, k_batch_, M_, N_, K_, {stride_A_}, {stride_B_}, {}, stride_C_),
          scale_m(scale_m_),
          scale_n(scale_n_)
    {
    }

    ScaleM scale_m;
    ScaleN scale_n;
};

// GEMM config with 16x16 warp tile

struct MxGemmConfig
{
    static constexpr ck_tile::index_t M_Tile = 128;
    static constexpr ck_tile::index_t N_Tile = 256;
    static constexpr ck_tile::index_t K_Tile = 256;

    static constexpr ck_tile::index_t M_Warp = 1;
    static constexpr ck_tile::index_t N_Warp = 4;
    static constexpr ck_tile::index_t K_Warp = 1;

    static constexpr ck_tile::index_t M_Warp_Tile = 16;
    static constexpr ck_tile::index_t N_Warp_Tile = 16;
    static constexpr ck_tile::index_t K_Warp_Tile = 128;

    static constexpr bool kPadM = false;
    static constexpr bool kPadN = false;
    static constexpr bool kPadK = false;

    static constexpr bool TransposeC            = false;
    static constexpr bool UseStructuredSparsity = false;

    static constexpr int kBlockPerCu                = 1;
    static constexpr int TileParitionerGroupNum     = 8;
    static constexpr int TileParitionerM01          = 4;
    static constexpr auto Scheduler                 = ck_tile::GemmPipelineScheduler::Intrawave;
    static constexpr ck_tile::index_t NumWaveGroups = 1;
    static constexpr bool DoubleSmemBuffer          = true;  // comp_async uses double buffer

    static constexpr int N_Repeat          = N_Tile / N_Warp_Tile / N_Warp;
    static constexpr bool TiledMMAPermuteN = false;
};
struct MXfp4_GemmConfig16 : MxGemmConfig
{
    static constexpr ck_tile::index_t M_Tile = 128;
    static constexpr ck_tile::index_t N_Tile = 256;
    static constexpr ck_tile::index_t K_Tile = 256;
};

// GEMM config with 16x16 warp tile
struct MXfp8_GemmConfig16 : MxGemmConfig
{
    static constexpr ck_tile::index_t M_Tile = 128;
    static constexpr ck_tile::index_t N_Tile = 128;
    static constexpr ck_tile::index_t K_Tile = 256;
};