NetBSD/sys/arch/mac68k/dev/device.h
briggs e99f003a7d Update to current work in progress. This includes an update to
use config.new.
Numerous updates to console so it works better on the SE/30 screen.
Some nice changes from Brad Parker for handling NuBUS and an ethernet
driver that I haven't worked on, yet.
1993-11-29 00:32:22 +00:00

130 lines
3.7 KiB
C

/*-
* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
* Michael L. Finch, Bradley A. Grantham, and
* Lawrence A. Kesteloot
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Alice Group.
* 4. The names of the Alice Group or any of its members may not be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``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 ALICE GROUP 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.
*
* $Id: device.h,v 1.2 1993/11/29 00:32:29 briggs Exp $
*/
#include "nubus.h"
struct driver {
int (*d_init)();
char *d_name;
int (*d_start)();
int (*d_go)();
int (*d_intr)();
int (*d_done)();
};
struct mac_ctlr {
struct driver *mac_driver;
int mac_unit;
int mac_alive;
char *mac_addr;
int mac_flags;
int mac_ipl;
};
struct mac_device {
struct driver *mac_driver;
struct driver *mac_cdriver;
int mac_unit;
int mac_ctlr;
int mac_slave;
char *mac_addr;
int mac_dk;
int mac_flags;
int mac_alive;
int mac_ipl;
};
struct devqueue {
struct devqueue *dq_forw;
struct devqueue *dq_back;
int dq_ctlr;
int dq_unit;
int dq_slave;
struct driver *dq_driver;
};
#define MAXSLOTS 16 /* Size of HW table (NuBus) */
#define MAXADB 16 /* Max number of ADB devices. */
struct adb_hw{
int found; /* is there a device at this address */
int addr; /* ADB address */
int handler; /* handler found by talk reg 3 */
int claimed; /* TRUE if a driver claims this */
};
#ifdef KERNEL
extern struct nubus_hw nubus_table[];
extern struct mac_device mac_dinit[];
extern caddr_t sctova(), sctopa(), iomap();
#endif
/* LAK: The rest of this file is my attempt at making a device driver
framework. */
/* For struct macdriver.type: */
#define TYPE_NUBUS 1
#define TYPE_ADB 2
#define TYPE_SCC 3
#define TYPE_SCSI 4
#define TYPE_VIDEO 5
struct macdriver {
int type; /* Type of device (see above) */
int hwfound; /* If the hardware was found */
int unit; /* Unit number (e.g., SCSI ID) */
void (*init)(struct macdriver *); /* Initialize all hardware */
char *name; /* Name of the driver */
};
struct scsi_subdev {
struct macdriver *macdriver; /* For future NuBUS scsi support */
int unit;
int flags;
int drive;
int parentunit;
};
extern struct macdriver macdriver[]; /* In ioconf.c */
extern int numdrivers; /* In ioconf.c */
extern struct scsi_subdev scsi_subs[]; /* In ioconf.c */
extern int numscsi_subs; /* In ioconf.c */