1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __DRM_FB_CMA_HELPER_H__
3 #define __DRM_FB_CMA_HELPER_H__
6 struct drm_gem_cma_object
;
8 struct drm_fb_helper_surface_size
;
9 struct drm_framebuffer_funcs
;
10 struct drm_fb_helper_funcs
;
11 struct drm_framebuffer
;
15 struct drm_mode_fb_cmd2
;
17 struct drm_plane_state
;
19 struct drm_fbdev_cma
*drm_fbdev_cma_init_with_funcs(struct drm_device
*dev
,
20 unsigned int preferred_bpp
, unsigned int max_conn_count
,
21 const struct drm_framebuffer_funcs
*funcs
);
22 struct drm_fbdev_cma
*drm_fbdev_cma_init(struct drm_device
*dev
,
23 unsigned int preferred_bpp
, unsigned int max_conn_count
);
24 void drm_fbdev_cma_fini(struct drm_fbdev_cma
*fbdev_cma
);
26 void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma
*fbdev_cma
);
27 void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma
*fbdev_cma
);
28 void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma
*fbdev_cma
, bool state
);
29 void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma
*fbdev_cma
,
32 void drm_fb_cma_destroy(struct drm_framebuffer
*fb
);
33 int drm_fb_cma_create_handle(struct drm_framebuffer
*fb
,
34 struct drm_file
*file_priv
, unsigned int *handle
);
36 struct drm_framebuffer
*drm_fb_cma_create_with_funcs(struct drm_device
*dev
,
37 struct drm_file
*file_priv
, const struct drm_mode_fb_cmd2
*mode_cmd
,
38 const struct drm_framebuffer_funcs
*funcs
);
39 struct drm_framebuffer
*drm_fb_cma_create(struct drm_device
*dev
,
40 struct drm_file
*file_priv
, const struct drm_mode_fb_cmd2
*mode_cmd
);
42 struct drm_gem_cma_object
*drm_fb_cma_get_gem_obj(struct drm_framebuffer
*fb
,
45 dma_addr_t
drm_fb_cma_get_gem_addr(struct drm_framebuffer
*fb
,
46 struct drm_plane_state
*state
,
49 int drm_fb_cma_prepare_fb(struct drm_plane
*plane
,
50 struct drm_plane_state
*state
);
52 #ifdef CONFIG_DEBUG_FS
55 int drm_fb_cma_debugfs_show(struct seq_file
*m
, void *arg
);