+ /* Functions for boards that use GPIO */
+ void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8);
+ void (*set_hdb)(struct broadsheetfb_par *, u16);
+ u16 (*get_hdb)(struct broadsheetfb_par *);
+
+ /* Functions for boards that have specialized MMIO */
+ void (*mmio_write)(struct broadsheetfb_par *, int type, u16);
+ u16 (*mmio_read)(struct broadsheetfb_par *);
+};