6fd0bfe2f7
The prime fd to handle ioctl was not used with rockchip before. Support was added in order to pass graphics_Gbm and to support potential uses within Chrome OS (e.g. zero-copy video decode, camera). Signed-off-by: Haixia Shi <hshi@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20180130202913.28724-3-thierry.escande@collabora.com
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
|
|
* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
|
|
* Author:Mark Yao <mark.yao@rock-chips.com>
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef _ROCKCHIP_DRM_GEM_H
|
|
#define _ROCKCHIP_DRM_GEM_H
|
|
|
|
#define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base)
|
|
|
|
struct rockchip_gem_object {
|
|
struct drm_gem_object base;
|
|
unsigned int flags;
|
|
|
|
void *kvaddr;
|
|
dma_addr_t dma_addr;
|
|
/* Used when IOMMU is disabled */
|
|
unsigned long dma_attrs;
|
|
|
|
/* Used when IOMMU is enabled */
|
|
struct drm_mm_node mm;
|
|
unsigned long num_pages;
|
|
struct page **pages;
|
|
struct sg_table *sgt;
|
|
size_t size;
|
|
};
|
|
|
|
struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj);
|
|
struct drm_gem_object *
|
|
rockchip_gem_prime_import_sg_table(struct drm_device *dev,
|
|
struct dma_buf_attachment *attach,
|
|
struct sg_table *sg);
|
|
void *rockchip_gem_prime_vmap(struct drm_gem_object *obj);
|
|
void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
|
|
|
|
/* drm driver mmap file operations */
|
|
int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma);
|
|
|
|
/* mmap a gem object to userspace. */
|
|
int rockchip_gem_mmap_buf(struct drm_gem_object *obj,
|
|
struct vm_area_struct *vma);
|
|
|
|
struct rockchip_gem_object *
|
|
rockchip_gem_create_object(struct drm_device *drm, unsigned int size,
|
|
bool alloc_kmap);
|
|
|
|
void rockchip_gem_free_object(struct drm_gem_object *obj);
|
|
|
|
int rockchip_gem_dumb_create(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args);
|
|
#endif /* _ROCKCHIP_DRM_GEM_H */
|