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73 lines
2.4 KiB
73 lines
2.4 KiB
/* |
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* Copyright (c) Fuzhou Rockchip Electronics Co.Ltd |
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* Authors: |
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* Mark Yao <yzq@rock-chips.com> |
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* |
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* based on exynos_drm.h |
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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 (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*/ |
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#ifndef _ROCKCHIP_DRM_H_ |
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#define _ROCKCHIP_DRM_H_ |
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#include <stdint.h> |
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#include "drm.h" |
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/** |
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* User-desired buffer creation information structure. |
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* |
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* @size: user-desired memory allocation size. |
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* - this size value would be page-aligned internally. |
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* @flags: user request for setting memory type or cache attributes. |
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* @handle: returned a handle to created gem object. |
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* - this handle will be set by gem module of kernel side. |
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*/ |
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struct drm_rockchip_gem_create { |
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uint64_t size; |
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uint32_t flags; |
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uint32_t handle; |
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}; |
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/** |
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* A structure for getting buffer offset. |
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* |
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* @handle: a pointer to gem object created. |
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* @pad: just padding to be 64-bit aligned. |
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* @offset: relatived offset value of the memory region allocated. |
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* - this value should be set by user. |
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*/ |
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struct drm_rockchip_gem_map_off { |
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uint32_t handle; |
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uint32_t pad; |
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uint64_t offset; |
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}; |
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#define DRM_ROCKCHIP_GEM_CREATE 0x00 |
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#define DRM_ROCKCHIP_GEM_MAP_OFFSET 0x01 |
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#define DRM_IOCTL_ROCKCHIP_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ |
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DRM_ROCKCHIP_GEM_CREATE, struct drm_rockchip_gem_create) |
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#define DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ |
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DRM_ROCKCHIP_GEM_MAP_OFFSET, struct drm_rockchip_gem_map_off) |
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#endif
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