root/usr/src/uts/sun4u/grover/sys/grfans.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _GRFANS_H
#define _GRFANS_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

#define UNKNOWN_OUT     -1

#define MINOR_TO_DEVINST(x) ((x & 0xf00) >> 8)
#define MINOR_TO_CHANNEL(x) (x & 0x00f)

#define CPU_FAN_CHANNEL         0x0
#define SYSTEM_FAN_CHANNEL      0x1

#define CHANNEL_TO_MINOR(x) (x)
#define DEVINST_TO_MINOR(x) (x << 8)

#define FANS_NODE_TYPE "ddi_env:fan"

#define CPU_FAN_0       0x01
#define CPU_FAN_25      0x05
#define CPU_FAN_50      0x09
#define CPU_FAN_75      0x0d
#define CPU_FAN_100     0x00

#define CPU_FAN_MASK    0x0d

#define SYS_FAN_OFF     0x02
#define SYS_FAN_ON      0x00

struct grfans_unit {
        kmutex_t        mutex;
        uint8_t         flags;
        int8_t          sysfan_output;
        int8_t          cpufan_output;
        uint16_t        oflag[2];
        ddi_acc_handle_t cpufan_rhandle;
        ddi_acc_handle_t sysfan_rhandle;
        uint8_t         *cpufan_reg;
        uint8_t         *sysfan_reg;
};

#ifdef  __cplusplus
}
#endif

#endif /* _GRFANS_H */