mirror of https://gitee.com/openkylin/linux.git
105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/* exynos_drm.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Authors:
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* Inki Dae <inki.dae@samsung.com>
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* Joonyoung Shim <jy0922.shim@samsung.com>
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* Seung-Woo Kim <sw0312.kim@samsung.com>
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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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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _EXYNOS_DRM_H_
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#define _EXYNOS_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: requested size for the object.
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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 handle for the object.
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*/
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struct drm_exynos_gem_create {
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unsigned int size;
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unsigned int flags;
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unsigned int 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_exynos_gem_map_off {
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unsigned int handle;
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unsigned int pad;
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uint64_t offset;
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};
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/**
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* A structure for mapping buffer.
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*
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* @handle: a handle to gem object created.
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* @size: memory size to be mapped.
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* @mapped: having user virtual address mmaped.
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* - this variable would be filled by exynos gem module
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* of kernel side with user virtual address which is allocated
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* by do_mmap().
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*/
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struct drm_exynos_gem_mmap {
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unsigned int handle;
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unsigned int size;
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uint64_t mapped;
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};
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#define DRM_EXYNOS_GEM_CREATE 0x00
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#define DRM_EXYNOS_GEM_MAP_OFFSET 0x01
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#define DRM_EXYNOS_GEM_MMAP 0x02
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#define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
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#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
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#define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \
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DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
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/**
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* Platform Specific Structure for DRM based FIMD.
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*
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* @timing: default video mode for initializing
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* @default_win: default window layer number to be used for UI.
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* @bpp: default bit per pixel.
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*/
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struct exynos_drm_fimd_pdata {
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struct fb_videomode timing;
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u32 vidcon0;
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u32 vidcon1;
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unsigned int default_win;
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unsigned int bpp;
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};
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#endif
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