130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/*-
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* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
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* Michael L. Finch, Bradley A. Grantham, and
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* Lawrence A. Kesteloot
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Alice Group.
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* 4. The names of the Alice Group or any of its members may not be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: device.h,v 1.2 1993/11/29 00:32:29 briggs Exp $
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*/
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#include "nubus.h"
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struct driver {
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int (*d_init)();
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char *d_name;
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int (*d_start)();
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int (*d_go)();
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int (*d_intr)();
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int (*d_done)();
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};
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struct mac_ctlr {
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struct driver *mac_driver;
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int mac_unit;
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int mac_alive;
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char *mac_addr;
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int mac_flags;
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int mac_ipl;
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};
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struct mac_device {
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struct driver *mac_driver;
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struct driver *mac_cdriver;
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int mac_unit;
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int mac_ctlr;
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int mac_slave;
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char *mac_addr;
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int mac_dk;
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int mac_flags;
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int mac_alive;
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int mac_ipl;
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};
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struct devqueue {
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struct devqueue *dq_forw;
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struct devqueue *dq_back;
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int dq_ctlr;
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int dq_unit;
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int dq_slave;
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struct driver *dq_driver;
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};
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#define MAXSLOTS 16 /* Size of HW table (NuBus) */
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#define MAXADB 16 /* Max number of ADB devices. */
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struct adb_hw{
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int found; /* is there a device at this address */
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int addr; /* ADB address */
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int handler; /* handler found by talk reg 3 */
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int claimed; /* TRUE if a driver claims this */
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};
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#ifdef KERNEL
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extern struct nubus_hw nubus_table[];
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extern struct mac_device mac_dinit[];
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extern caddr_t sctova(), sctopa(), iomap();
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#endif
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/* LAK: The rest of this file is my attempt at making a device driver
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framework. */
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/* For struct macdriver.type: */
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#define TYPE_NUBUS 1
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#define TYPE_ADB 2
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#define TYPE_SCC 3
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#define TYPE_SCSI 4
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#define TYPE_VIDEO 5
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struct macdriver {
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int type; /* Type of device (see above) */
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int hwfound; /* If the hardware was found */
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int unit; /* Unit number (e.g., SCSI ID) */
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void (*init)(struct macdriver *); /* Initialize all hardware */
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char *name; /* Name of the driver */
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};
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struct scsi_subdev {
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struct macdriver *macdriver; /* For future NuBUS scsi support */
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int unit;
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int flags;
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int drive;
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int parentunit;
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};
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extern struct macdriver macdriver[]; /* In ioconf.c */
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extern int numdrivers; /* In ioconf.c */
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extern struct scsi_subdev scsi_subs[]; /* In ioconf.c */
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extern int numscsi_subs; /* In ioconf.c */
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