linux - include/drm/drm_gem_framebuffer

59 lines · 2.2 KiB

1	#ifndef __DRM_GEM_FB_HELPER_H__
2	#define __DRM_GEM_FB_HELPER_H__
3
4	#include <linux/dma-buf.h>
5	#include <linux/iosys-map.h>
6
7	struct drm_afbc_framebuffer;
8	struct drm_device;
9	struct drm_fb_helper_surface_size;
10	struct drm_file;
11	struct drm_format_info;
12	struct drm_framebuffer;
13	struct drm_framebuffer_funcs;
14	struct drm_gem_object;
15	struct drm_mode_fb_cmd2;
16
17	#define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52)
18
19	struct drm_gem_object drm_gem_fb_get_obj(struct drm_framebuffer fb,
20	unsigned int plane);
21	void drm_gem_fb_destroy(struct drm_framebuffer *fb);
22	int drm_gem_fb_create_handle(struct drm_framebuffer fb, struct drm_file file,
23	unsigned int *handle);
24
25	int drm_gem_fb_init_with_funcs(struct drm_device *dev,
26	struct drm_framebuffer *fb,
27	struct drm_file *file,
28	const struct drm_format_info *info,
29	const struct drm_mode_fb_cmd2 *mode_cmd,
30	const struct drm_framebuffer_funcs *funcs);
31	struct drm_framebuffer *
32	drm_gem_fb_create_with_funcs(struct drm_device dev, struct drm_file file,
33	const struct drm_format_info *info,
34	const struct drm_mode_fb_cmd2 *mode_cmd,
35	const struct drm_framebuffer_funcs *funcs);
36	struct drm_framebuffer *
37	drm_gem_fb_create(struct drm_device dev, struct drm_file file,
38	const struct drm_format_info *info,
39	const struct drm_mode_fb_cmd2 *mode_cmd);
40	struct drm_framebuffer *
41	drm_gem_fb_create_with_dirty(struct drm_device dev, struct drm_file file,
42	const struct drm_format_info *info,
43	const struct drm_mode_fb_cmd2 *mode_cmd);
44
45	int drm_gem_fb_vmap(struct drm_framebuffer fb, struct iosys_map map,
46	struct iosys_map *data);
47	void drm_gem_fb_vunmap(struct drm_framebuffer fb, struct iosys_map map);
48	int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
49	void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
50
51	#define drm_is_afbc(modifier) \
52	(((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
53
54	int drm_gem_fb_afbc_init(struct drm_device *dev,
55	const struct drm_format_info *info,
56	const struct drm_mode_fb_cmd2 *mode_cmd,
57	struct drm_afbc_framebuffer *afbc_fb);
58
59	#endif