-void dummy_init(void);
-void dummy_finish(void);
-
-/* SoC specific functions */
-extern void (*gp2x_video_flip)(void);
-extern void (*gp2x_video_flip2)(void);
-/* negative bpp means rotated mode (for Wiz) */
-extern void (*gp2x_video_changemode_ll)(int bpp);
-extern void (*gp2x_video_setpalette)(int *pal, int len);
-extern void (*gp2x_video_RGB_setscaling)(int ln_offs, int W, int H);
-extern void (*gp2x_video_wait_vsync)(void);
-
-extern void (*gp2x_set_cpuclk)(unsigned int mhz);
-
-extern void (*set_lcd_custom_rate)(int is_pal);
-extern void (*unset_lcd_custom_rate)(void);
-extern void (*set_lcd_gamma)(int g100, int A_SNs_curve);
-
-extern void (*set_ram_timings)(void);
-extern void (*unset_ram_timings)(void);
-extern int (*gp2x_read_battery)(void);
-