| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |