[linux-block.git] / include / asm-ia64 / sn / leds.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
 */
#ifndef _ASM_IA64_SN_LEDS_H
#define _ASM_IA64_SN_LEDS_H

#include <asm/sn/addrs.h>
#include <asm/sn/pda.h>
#include <asm/sn/shub_mmr.h>

#define LED0		(LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
#define LED_CPU_SHIFT	16

#define LED_CPU_HEARTBEAT	0x01
#define LED_CPU_ACTIVITY	0x02
#define LED_ALWAYS_SET		0x00

/*
 * Basic macros for flashing the LEDS on an SGI SN.
 */

static __inline__ void
set_led_bits(u8 value, u8 mask)
{
	pda->led_state = (pda->led_state & ~mask) | (value & mask);
	*pda->led_address = (short) pda->led_state;
}

#endif /* _ASM_IA64_SN_LEDS_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
	6	*/
	7	#ifndef _ASM_IA64_SN_LEDS_H
	8	#define _ASM_IA64_SN_LEDS_H
	9
	10	#include <asm/sn/addrs.h>
	11	#include <asm/sn/pda.h>
	12	#include <asm/sn/shub_mmr.h>
	13
	14	#define LED0 (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
	15	#define LED_CPU_SHIFT 16
	16
	17	#define LED_CPU_HEARTBEAT 0x01
	18	#define LED_CPU_ACTIVITY 0x02
	19	#define LED_ALWAYS_SET 0x00
	20
	21	/*
	22	* Basic macros for flashing the LEDS on an SGI SN.
	23	*/
	24
	25	static __inline__ void
	26	set_led_bits(u8 value, u8 mask)
	27	{
	28	pda->led_state = (pda->led_state & ~mask) \| (value & mask);
	29	*pda->led_address = (short) pda->led_state;
	30	}
	31
	32	#endif /* _ASM_IA64_SN_LEDS_H */
	33