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 20 extern unsigned char ledstate; 21 22 static __inline__ void blinken_leds(int on, int off) 23 { 24 if (MACH_IS_HP300) 25 { 26 ledstate |= on; 27 ledstate &= ~off; 28 out_8(HP300_LEDS, ~ledstate); 29 } 30 } 31 32 #endif 33