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File: [Development] / linux-2.6-xfs / include / asm-ia64 / sn / Attic / leds.h (download)

Revision 1.3, Wed Jan 5 14:17:31 2005 UTC (12 years, 9 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +3 -5 lines 

Merge up to 2.6.10.
Merge of 2.6.x-xfs-melb:linux:21010a by kenmcd.

/*
 * 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>

#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 */