Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
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
7struct drm_afbc_framebuffer;
8struct drm_device;
9struct drm_fb_helper_surface_size;
10struct drm_file;
11struct drm_framebuffer;
12struct drm_framebuffer_funcs;
13struct drm_gem_object;
14struct drm_mode_fb_cmd2;
15
16#define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52)
17
18struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
19 unsigned int plane);
20void drm_gem_fb_destroy(struct drm_framebuffer *fb);
21int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
22 unsigned int *handle);
23
24int drm_gem_fb_init_with_funcs(struct drm_device *dev,
25 struct drm_framebuffer *fb,
26 struct drm_file *file,
27 const struct drm_mode_fb_cmd2 *mode_cmd,
28 const struct drm_framebuffer_funcs *funcs);
29struct drm_framebuffer *
30drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
31 const struct drm_mode_fb_cmd2 *mode_cmd,
32 const struct drm_framebuffer_funcs *funcs);
33struct drm_framebuffer *
34drm_gem_fb_create(struct drm_device *dev, struct drm_file *file,
35 const struct drm_mode_fb_cmd2 *mode_cmd);
36struct drm_framebuffer *
37drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
38 const struct drm_mode_fb_cmd2 *mode_cmd);
39
40int drm_gem_fb_vmap(struct drm_framebuffer *fb, struct iosys_map *map,
41 struct iosys_map *data);
42void drm_gem_fb_vunmap(struct drm_framebuffer *fb, struct iosys_map *map);
43int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
44void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir);
45
46#define drm_is_afbc(modifier) \
47 (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
48
49int drm_gem_fb_afbc_init(struct drm_device *dev,
50 const struct drm_mode_fb_cmd2 *mode_cmd,
51 struct drm_afbc_framebuffer *afbc_fb);
52
53#endif