| /* |
| * Copyright (c) Fuzhou Rockchip Electronics Co.Ltd |
| * Authors: |
| * Mark Yao <yzq@rock-chips.com> |
| * |
| * based on exynos_drm.h |
| * |
| * 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 (including the next |
| * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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 _ROCKCHIP_DRM_H_ |
| #define _ROCKCHIP_DRM_H_ |
| |
| #include <stdint.h> |
| #include "drm.h" |
| |
| /** |
| * User-desired buffer creation information structure. |
| * |
| * @size: user-desired memory allocation size. |
| * - this size value would be page-aligned internally. |
| * @flags: user request for setting memory type or cache attributes. |
| * @handle: returned a handle to created gem object. |
| * - this handle will be set by gem module of kernel side. |
| */ |
| struct drm_rockchip_gem_create { |
| uint64_t size; |
| uint32_t flags; |
| uint32_t handle; |
| }; |
| |
| /** |
| * A structure for getting buffer offset. |
| * |
| * @handle: a pointer to gem object created. |
| * @pad: just padding to be 64-bit aligned. |
| * @offset: relatived offset value of the memory region allocated. |
| * - this value should be set by user. |
| */ |
| struct drm_rockchip_gem_map_off { |
| uint32_t handle; |
| uint32_t pad; |
| uint64_t offset; |
| }; |
| |
| #define DRM_ROCKCHIP_GEM_CREATE 0x00 |
| #define DRM_ROCKCHIP_GEM_MAP_OFFSET 0x01 |
| |
| #define DRM_IOCTL_ROCKCHIP_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ |
| DRM_ROCKCHIP_GEM_CREATE, struct drm_rockchip_gem_create) |
| |
| #define DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ |
| DRM_ROCKCHIP_GEM_MAP_OFFSET, struct drm_rockchip_gem_map_off) |
| |
| #endif |