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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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55d42f6169
Accessing amdgpu internal data structures "struct amdgpu_device" and "struct amdgpu_bo" in ISP V4L2 driver to alloc/free GART buffers is not recommended. Add new amdgpu_isp helper functions that takes opaque params from ISP V4L2 driver and calls the amdgpu internal functions amdgpu_bo_create_isp_user() and amdgpu_bo_create_kernel() to alloc/free GART buffers. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Pratap Nirujogi <pratap.nirujogi@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright (C) 2025 Advanced Micro Devices, Inc. All rights reserved.
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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#ifndef __ISP_H__
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#define __ISP_H__
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#include <linux/types.h>
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struct device;
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struct isp_platform_data {
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void *adev;
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u32 asic_type;
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resource_size_t base_rmmio_size;
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};
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int isp_user_buffer_alloc(struct device *dev, void *dmabuf,
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void **buf_obj, u64 *buf_addr);
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void isp_user_buffer_free(void *buf_obj);
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int isp_kernel_buffer_alloc(struct device *dev, u64 size,
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void **buf_obj, u64 *gpu_addr, void **cpu_addr);
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void isp_kernel_buffer_free(void **buf_obj, u64 *gpu_addr, void **cpu_addr);
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#endif
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