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30#ifndef DRM_FB_HELPER_H
31#define DRM_FB_HELPER_H
32
33struct drm_fb_helper;
34
35#include <linux/kgdb.h>
36
37struct drm_fb_helper_crtc {
38 struct drm_mode_set mode_set;
39 struct drm_display_mode *desired_mode;
40};
41
42struct drm_fb_helper_surface_size {
43 u32 fb_width;
44 u32 fb_height;
45 u32 surface_width;
46 u32 surface_height;
47 u32 surface_bpp;
48 u32 surface_depth;
49};
50
51struct drm_fb_helper_funcs {
52 void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
53 u16 blue, int regno);
54 void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
55 u16 *blue, int regno);
56
57 int (*fb_probe)(struct drm_fb_helper *helper,
58 struct drm_fb_helper_surface_size *sizes);
59};
60
61struct drm_fb_helper_connector {
62 struct drm_connector *connector;
63 struct drm_cmdline_mode cmdline_mode;
64};
65
66struct drm_fb_helper {
67 struct drm_framebuffer *fb;
68 struct drm_framebuffer *saved_fb;
69 struct drm_device *dev;
70 struct drm_display_mode *mode;
71 int crtc_count;
72 struct drm_fb_helper_crtc *crtc_info;
73 int connector_count;
74 struct drm_fb_helper_connector **connector_info;
75 struct drm_fb_helper_funcs *funcs;
76 struct fb_info *fbdev;
77 u32 pseudo_palette[17];
78 struct list_head kernel_fb_list;
79
80
81
82 bool delayed_hotplug;
83};
84
85int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
86 int preferred_bpp);
87
88int drm_fb_helper_init(struct drm_device *dev,
89 struct drm_fb_helper *helper, int crtc_count,
90 int max_conn);
91void drm_fb_helper_fini(struct drm_fb_helper *helper);
92int drm_fb_helper_blank(int blank, struct fb_info *info);
93int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
94 struct fb_info *info);
95int drm_fb_helper_set_par(struct fb_info *info);
96int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
97 struct fb_info *info);
98int drm_fb_helper_setcolreg(unsigned regno,
99 unsigned red,
100 unsigned green,
101 unsigned blue,
102 unsigned transp,
103 struct fb_info *info);
104
105bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
106void drm_fb_helper_restore(void);
107void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
108 uint32_t fb_width, uint32_t fb_height);
109void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
110 uint32_t depth);
111
112int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
113
114int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
115bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
116int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
117int drm_fb_helper_debug_enter(struct fb_info *info);
118int drm_fb_helper_debug_leave(struct fb_info *info);
119
120#endif
121