include/asm-generic/vga.h

   1 /*
   2  *      Access to VGA videoram
   3  *
   4  *      (c) 1998 Martin Mares <mj@ucw.cz>
   5  */
   6 #ifndef __ASM_GENERIC_VGA_H
   7 #define __ASM_GENERIC_VGA_H
   8
   9 /*
  10  *      On most architectures that support VGA, we can just
  11  *      recalculate addresses and then access the videoram
  12  *      directly without any black magic.
  13  *
  14  *      Everyone else needs to ioremap the address and use
  15  *      proper I/O accesses.
  16  */
  17 #ifndef VGA_MAP_MEM
  18 #define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
  19 #endif
  20
  21 #define vga_readb(x) (*(x))
  22 #define vga_writeb(x, y) (*(y) = (x))
  23
  24 #endif /* _ASM_GENERIC_VGA_H */