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 | |
27 | struct amdgpu_lsdma { |
28 | const struct amdgpu_lsdma_funcs *funcs; |
29 | }; |
30 | |
31 | struct 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 | |
39 | int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev, uint64_t src_addr, |
40 | uint64_t dst_addr, uint64_t mem_size); |
41 | int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev, uint64_t dst_addr, |
42 | uint32_t data, uint64_t mem_size); |
43 | int amdgpu_lsdma_wait_for(struct amdgpu_device *adev, uint32_t reg_index, |
44 | uint32_t reg_val, uint32_t mask); |
45 | |
46 | #endif |
47 | |