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/*
* 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
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