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include/asm-generic/vga.h 587 Bytes
b24413180   Greg Kroah-Hartman   License cleanup: ...
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  /* SPDX-License-Identifier: GPL-2.0 */
ae49e8079   Arnd Bergmann   asm-generic: add ...
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  /*
   *	Access to VGA videoram
   *
   *	(c) 1998 Martin Mares <mj@ucw.cz>
   */
  #ifndef __ASM_GENERIC_VGA_H
  #define __ASM_GENERIC_VGA_H
  
  /*
   *	On most architectures that support VGA, we can just
   *	recalculate addresses and then access the videoram
   *	directly without any black magic.
   *
   *	Everyone else needs to ioremap the address and use
   *	proper I/O accesses.
   */
  #ifndef VGA_MAP_MEM
  #define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
  #endif
  
  #define vga_readb(x) (*(x))
  #define vga_writeb(x, y) (*(y) = (x))
  
  #endif /* _ASM_GENERIC_VGA_H */