/*      $NetBSD: adbvar.h,v 1.26 2009/11/01 01:51:35 snj Exp $  */

/*
 * Copyright (C) 1994   Bradley A. Grantham
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <machine/adbsys.h>

/*
 * Arguments used to attach a device to the Apple Desktop Bus
 */
struct adb_attach_args {
        int     origaddr;
        int     adbaddr;
        int     handler_id;
};

typedef struct adb_trace_xlate_s {
        int     params;
        char   *string;
}       adb_trace_xlate_t;

extern adb_trace_xlate_t adb_trace_xlations[];

extern int      adb_polling;

extern void     *adb_softintr_cookie;

#ifdef DEBUG
#ifndef ADB_DEBUG
#define ADB_DEBUG
#endif
#endif

#ifdef ADB_DEBUG
extern int      adb_debug;
#endif

/* adb.c */
void    adb_enqevent(adb_event_t *);

int     adb_op_sync(Ptr, Ptr, Ptr, short);
void    adb_spin(volatile int *);
void    adb_op_comprout(void);

/* adbsysasm.s */
void    adb_kbd_asmcomplete(void);
void    adb_ms_asmcomplete(void);
void    extdms_complete(void);

/* types of adb hardware that we (will eventually) support */
#define ADB_HW_UNKNOWN          0x0     /* don't know */
#define ADB_HW_II               0x1     /* Mac II series */
#define ADB_HW_IISI             0x2     /* Mac IIsi series */
#define ADB_HW_PB               0x3     /* PowerBook series */
#define ADB_HW_CUDA             0x4     /* Machines with a Cuda chip */
#define ADB_HW_IOP              0x5     /* Machines with an IOP */
#define MAX_ADB_HW              5       /* Number of ADB hardware types */

#define ADB_CMDADDR(cmd)        ((u_int8_t)(cmd & 0xf0) >> 4)
#define ADBFLUSH(dev)           ((((u_int8_t)dev & 0x0f) << 4) | 0x01)
#define ADBLISTEN(dev, reg)     ((((u_int8_t)dev & 0x0f) << 4) | 0x08 | reg)
#define ADBTALK(dev, reg)       ((((u_int8_t)dev & 0x0f) << 4) | 0x0c | reg)

#ifndef MRG_ADB
/* adb_direct.c */
int     adb_poweroff(void);
int     CountADBs(void);
void    ADBReInit(void);
int     GetIndADB(ADBDataBlock *, int);
int     GetADBInfo(ADBDataBlock *, int);
int     SetADBInfo(ADBSetInfoBlock *, int);
int     ADBOp(Ptr, Ptr, Ptr, short);
int     adb_read_date_time(unsigned long *);
int     adb_set_date_time(unsigned long);
#endif /* !MRG_ADB */
void    adb_soft_intr(void);