1/*
2 * Copyright 2022 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef __AMDGPU_LSDMA_H__
25#define __AMDGPU_LSDMA_H__
26
27struct amdgpu_lsdma {
28	const struct amdgpu_lsdma_funcs      *funcs;
29};
30
31struct amdgpu_lsdma_funcs {
32	int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr,
33			uint64_t dst_addr, uint64_t size);
34	int (*fill_mem)(struct amdgpu_device *adev, uint64_t dst_addr,
35			uint32_t data, uint64_t size);
36	void (*update_memory_power_gating)(struct amdgpu_device *adev, bool enable);
37};
38
39int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev, uint64_t src_addr,
40			  uint64_t dst_addr, uint64_t mem_size);
41int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev, uint64_t dst_addr,
42			  uint32_t data, uint64_t mem_size);
43int amdgpu_lsdma_wait_for(struct amdgpu_device *adev, uint32_t reg_index,
44			  uint32_t reg_val, uint32_t mask);
45
46#endif
47