54 lines · c
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#endif54