linux/drivers/gpu/drm/amd/amdgpu/lsdma_v7_0.c

/*
 * Copyright 2023 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include <linux/delay.h>
#include "amdgpu.h"
#include "lsdma_v7_0.h"
#include "amdgpu_lsdma.h"

#include "lsdma/lsdma_7_0_0_offset.h"
#include "lsdma/lsdma_7_0_0_sh_mask.h"

static int lsdma_v7_0_wait_pio_status(struct amdgpu_device *adev)
{ … }

static int lsdma_v7_0_copy_mem(struct amdgpu_device *adev,
			       uint64_t src_addr,
			       uint64_t dst_addr,
			       uint64_t size)
{ … }

static int lsdma_v7_0_fill_mem(struct amdgpu_device *adev,
			       uint64_t dst_addr,
			       uint32_t data,
			       uint64_t size)
{ … }

static void lsdma_v7_0_update_memory_power_gating(struct amdgpu_device *adev,
						 bool enable)
{ … }

const struct amdgpu_lsdma_funcs lsdma_v7_0_funcs = …;