47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
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/*
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* Copyright 2022 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __AMDGPU_LSDMA_H__
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#define __AMDGPU_LSDMA_H__
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struct amdgpu_lsdma {
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const struct amdgpu_lsdma_funcs *funcs;
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};
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struct amdgpu_lsdma_funcs {
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int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr,
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uint64_t dst_addr, uint64_t size);
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int (*fill_mem)(struct amdgpu_device *adev, uint64_t dst_addr,
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uint32_t data, uint64_t size);
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void (*update_memory_power_gating)(struct amdgpu_device *adev, bool enable);
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};
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int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev, uint64_t src_addr,
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uint64_t dst_addr, uint64_t mem_size);
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int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev, uint64_t dst_addr,
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uint32_t data, uint64_t mem_size);
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int amdgpu_lsdma_wait_for(struct amdgpu_device *adev, uint32_t reg_index,
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uint32_t reg_val, uint32_t mask);
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#endif
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