/*      $NetBSD: adbvar.h,v 1.15 2012/10/27 17:18:00 chs 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[];

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

#ifdef ADB_DEBUG
extern int      adb_debug;
#endif

typedef void *Ptr;
typedef void **Handle;

/* ADB Manager */
typedef struct {
        Ptr siServiceRtPtr;
        Ptr siDataAreaAddr;
} ADBSetInfoBlock;
typedef struct {
        unsigned char   devType;
        unsigned char   origADBAddr;
        Ptr             dbServiceRtPtr;
        Ptr             dbDataAreaAddr;
} ADBDataBlock;

struct adb_softc {
        char *sc_regbase;
};

typedef void (adbComp)(void *, volatile int *, int);

/* adb_direct.c */
extern int adbHardware;

/* types of adb hardware that we (will eventually) support */
#define ADB_HW_UNKNOWN          0x01    /* don't know */
#define ADB_HW_II               0x02    /* Mac II series */
#define ADB_HW_IISI             0x03    /* Mac IIsi series */
#define ADB_HW_PMU              0x04    /* PowerBook series */
#define ADB_HW_CUDA             0x05    /* Machines with a Cuda chip */

#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))

int     adb_intr(void *);
int     adb_poweroff(void);
void    adb_restart(void);
void    adb_cuda_autopoll(void);
int     adb_intr_cuda(void *);
int     CountADBs(void);
void    ADBReInit(void);
int     GetIndADB(ADBDataBlock * info, int index);
int     GetADBInfo(ADBDataBlock * info, int adbAddr);
int     SetADBInfo(ADBSetInfoBlock * info, int adbAddr);
int     ADBOp(Ptr buffer, adbComp *compRout, Ptr data, short commandNum);
int     adb_read_date_time(unsigned long *t);
int     adb_set_date_time(unsigned long t);

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