grover/sys/grfans.h

	grfans.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * Copyright (c) 2000 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#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 */