LXR linux/arch/m68k/include/asm/blinken.h

   1/*
   2** asm/blinken.h -- m68k blinkenlights support (currently hp300 only)
   3**
   4** (c) 1998 Phil Blundell <philb@gnu.org>
   5**
   6** This file is subject to the terms and conditions of the GNU General Public
   7** License.  See the file COPYING in the main directory of this archive
   8** for more details.
   9**
  10*/
  11
  12#ifndef _M68K_BLINKEN_H
  13#define _M68K_BLINKEN_H
  14
  15#include <asm/setup.h>
  16#include <asm/io.h>
  17
  18#define HP300_LEDS              0xf001ffff
  19
  20extern unsigned char hp300_ledstate;
  21
  22static __inline__ void blinken_leds(int on, int off)
  23{
  24        if (MACH_IS_HP300)
  25        {
  26                hp300_ledstate |= on;
  27                hp300_ledstate &= ~off;
  28                out_8(HP300_LEDS, ~hp300_ledstate);
  29        }
  30}
  31
  32#endif
  33