From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h | 46 +++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h new file mode 100644 index 000000000..c61ba58c5 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_lsdma.h @@ -0,0 +1,46 @@ +/* + * Copyright 2022 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. + * + */ + +#ifndef __AMDGPU_LSDMA_H__ +#define __AMDGPU_LSDMA_H__ + +struct amdgpu_lsdma { + const struct amdgpu_lsdma_funcs *funcs; +}; + +struct amdgpu_lsdma_funcs { + int (*copy_mem)(struct amdgpu_device *adev, uint64_t src_addr, + uint64_t dst_addr, uint64_t size); + int (*fill_mem)(struct amdgpu_device *adev, uint64_t dst_addr, + uint32_t data, uint64_t size); + void (*update_memory_power_gating)(struct amdgpu_device *adev, bool enable); +}; + +int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev, uint64_t src_addr, + uint64_t dst_addr, uint64_t mem_size); +int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev, uint64_t dst_addr, + uint32_t data, uint64_t mem_size); +int amdgpu_lsdma_wait_for(struct amdgpu_device *adev, uint32_t reg_index, + uint32_t reg_val, uint32_t mask); + +#endif -- cgit v1.2.3