syshw.h revision 459fbba0bc115fe006d3634487b686fa707e1fbf
/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SYSHW_H
#define _SYS_SYSHW_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* syshw.h: Declarations for the common miscellaneous system hardware
* interface.
*/
#define SYSHW_IDSTR_LEN 43
/*
* Generic ioctls
*/
typedef enum {
SYSHW_GET_ITEM = 0, /* Retrieve item information */
SYSHW_GET_ITEM_MAXVALUES, /* Retrieve item Maximium values */
SYSHW_SET_ITEM, /* Set item values (SH_CONTROL type only) */
SYSHW_EVREG, /* Register for events */
SYSHW_EVUNREG, /* Unregister for events */
SYSHW_CHKEV, /* Check events. */
SYSHW_ESCAPE /* Module specific */
} syshw_ioctl_t;
/*
* Response fields
*/
typedef enum {
SH_SWITCH = 0, /* A switch */
SH_CONNECTION, /* A connection */
SH_POWER, /* A powersource thing */
SH_SOUND, /* An audio thing */
SH_VISUAL, /* A visual thing */
SH_ENV /* An environment thing */
} syshw_item_type_t;
typedef struct {
uchar_t hw_id;
char id_string[SYSHW_IDSTR_LEN];
syshw_item_type_t type; /* Item type */
uint_t capabilities; /* Capability flags */
boolean_t state; /* On/Off or Connected/Disconnected.. */
int values[4]; /* Free form item dependant values */
} syshw_t;
/*
* Bits for the syshw_t capability flags field. Note that you can use
* i = 1 -> 3; SYSHW_VAL0_VALID << i, to get the other 3 bits.
*/
#define SYSHW_CAN_SIGNAL_CHANGE 0x0001
#define SYSHW_STATE_VALID 0x0010
#define SYSHW_VAL0_VALID 0x0100
#define SYSHW_VAL1_VALID 0x0200
#define SYSHW_VAL2_VALID 0x0400
#define SYSHW_VAL3_VALID 0x0800
#define SYSHW_STATE_MODIFY 0x0020
#define SYSHW_VAL0_MODIFY 0x1000
#define SYSHW_VAL1_MODIFY 0x2000
#define SYSHW_VAL2_MODIFY 0x4000
#define SYSHW_VAL3_MODIFY 0x8000
typedef struct hwev_client {
uint_t events; /* Pending event flags, this */
/* is a bit per hw_id number. */
int event_sig; /* SIGUSR1, SIGUSR2.. */
} hwev_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SYSHW_H */