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1/*2 * Copyright 2022 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * 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#endif47