118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/* $Id: iio.c,v 1.3 1996/04/04 06:25:40 cgd Exp $ */
|
|
|
|
/*
|
|
*
|
|
* Copyright (c) 1995 Charles D. Cranor
|
|
* 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 Charles D. Cranor.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* peripheral channel controller
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/user.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/callout.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/syslog.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/device.h>
|
|
#include <machine/cpu.h>
|
|
#include <dev/cons.h>
|
|
#include <mvme68k/mvme68k/isr.h>
|
|
#include <mvme68k/dev/iio.h>
|
|
|
|
/*
|
|
* Configuration routines for the internal I/O bus
|
|
*/
|
|
void iioattach __P((struct device *, struct device *, void *));
|
|
int iiomatch __P((struct device *, void *, void *));
|
|
|
|
struct iiosoftc {
|
|
struct device sc_dev;
|
|
};
|
|
|
|
struct cfattach iio_ca = {
|
|
sizeof(struct iiosoftc), iiomatch, iioattach
|
|
};
|
|
|
|
struct cfdriver iio_cd = {
|
|
NULL, "iio", DV_DULL, 0
|
|
};
|
|
|
|
int
|
|
iiomatch(parent, cf, args)
|
|
struct device *parent;
|
|
void *cf;
|
|
void *args;
|
|
{
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
iioattach(parent, self, args)
|
|
struct device *parent, *self;
|
|
void *args;
|
|
{
|
|
extern struct cfdata cfdata[];
|
|
extern struct cfdriver pcc_cd;
|
|
struct cfdata *cf, *pcccf = NULL;
|
|
|
|
printf(" addr 0x%x\n", INTIOBASE);
|
|
|
|
/*
|
|
* attach the pcc first!
|
|
*/
|
|
for (cf = cfdata; pcccf==NULL && cf->cf_driver; cf++) {
|
|
if (cf->cf_driver != &pcc_cd)
|
|
continue;
|
|
pcccf = cf;
|
|
}
|
|
if (!pcccf)
|
|
panic("no pcc device configured");
|
|
config_attach(self, pcccf, NULL, NULL);
|
|
|
|
while (config_found(self, NULL, NULL) != NULL)
|
|
;
|
|
}
|
|
|
|
void
|
|
iio_print(cf)
|
|
struct cfdata *cf;
|
|
{
|
|
printf(" offset 0x%x", cf->cf_loc[0]);
|
|
if (cf->cf_loc[1] > 0)
|
|
printf(" ipl %d", cf->cf_loc[1]);
|
|
}
|