296 lines
8.6 KiB
C
296 lines
8.6 KiB
C
/* $NetBSD: bwtwo.c,v 1.6 2002/10/23 09:13:53 jdolecek Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe.
|
|
*
|
|
* 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 NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 FOUNDATION OR CONTRIBUTORS
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This software was developed by the Computer Systems Engineering group
|
|
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
|
* contributed to Berkeley.
|
|
*
|
|
* All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Lawrence Berkeley Laboratory.
|
|
*
|
|
* 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 University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)bwtwo.c 8.1 (Berkeley) 6/11/93
|
|
*/
|
|
|
|
/*
|
|
* black & white display (bwtwo) driver.
|
|
*
|
|
* Does not handle interrupts, even though they can occur.
|
|
*
|
|
* P4 and overlay plane support by Jason R. Thorpe <thorpej@NetBSD.ORG>.
|
|
* Overlay plane handling hints and ideas provided by Brad Spencer.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: bwtwo.c,v 1.6 2002/10/23 09:13:53 jdolecek Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/conf.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
#include <machine/eeprom.h>
|
|
|
|
#include <dev/sun/fbio.h>
|
|
#include <dev/sun/fbvar.h>
|
|
#include <dev/sun/btreg.h>
|
|
#include <dev/sun/bwtworeg.h>
|
|
#include <dev/sun/bwtwovar.h>
|
|
#include <dev/sun/pfourreg.h>
|
|
|
|
extern struct cfdriver bwtwo_cd;
|
|
|
|
dev_type_open(bwtwoopen);
|
|
dev_type_ioctl(bwtwoioctl);
|
|
dev_type_mmap(bwtwommap);
|
|
|
|
const struct cdevsw bwtwo_cdevsw = {
|
|
bwtwoopen, nullclose, noread, nowrite, bwtwoioctl,
|
|
nostop, notty, nopoll, bwtwommap, nokqfilter,
|
|
};
|
|
|
|
/* XXX we do not handle frame buffer interrupts (do not know how) */
|
|
static void bwtwounblank(struct device *);
|
|
|
|
/* frame buffer generic driver */
|
|
static struct fbdriver bwtwofbdriver = {
|
|
bwtwounblank, bwtwoopen, nullclose, bwtwoioctl, nopoll, bwtwommap,
|
|
nokqfilter
|
|
};
|
|
|
|
int
|
|
bwtwo_pfour_probe(vaddr, arg)
|
|
void *vaddr;
|
|
void *arg;
|
|
{
|
|
struct cfdata *cf = arg;
|
|
|
|
switch (fb_pfour_id(vaddr)) {
|
|
case PFOUR_ID_BW:
|
|
case PFOUR_ID_COLOR8P1: /* bwtwo in ... */
|
|
case PFOUR_ID_COLOR24: /* ...overlay plane */
|
|
/* This is wrong; should be done in bwtwo_attach() */
|
|
cf->cf_flags |= FB_PFOUR;
|
|
/* FALLTHROUGH */
|
|
case PFOUR_NOTPFOUR:
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
bwtwoattach(sc, name, isconsole)
|
|
struct bwtwo_softc *sc;
|
|
char *name;
|
|
int isconsole;
|
|
{
|
|
struct fbdevice *fb = &sc->sc_fb;
|
|
|
|
/* Fill in the remaining fbdevice values */
|
|
fb->fb_driver = &bwtwofbdriver;
|
|
fb->fb_device = &sc->sc_dev;
|
|
fb->fb_type.fb_type = FBTYPE_SUN2BW;
|
|
fb->fb_type.fb_cmsize = 0;
|
|
fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes;
|
|
printf(": %s, %d x %d", name,
|
|
fb->fb_type.fb_width, fb->fb_type.fb_height);
|
|
|
|
/* Insure video is enabled */
|
|
sc->sc_set_video(sc, 1);
|
|
|
|
if (isconsole) {
|
|
printf(" (console)\n");
|
|
#ifdef RASTERCONSOLE
|
|
/*
|
|
* XXX rcons doesn't seem to work properly on the overlay
|
|
* XXX plane. This is a temporary kludge until someone
|
|
* XXX fixes it.
|
|
*/
|
|
if ((fb->fb_flags & FB_PFOUR) == 0 ||
|
|
(sc->sc_ovtype == BWO_NONE))
|
|
fbrcons_init(fb);
|
|
#endif
|
|
} else
|
|
printf("\n");
|
|
|
|
if ((fb->fb_flags & FB_PFOUR) && (sc->sc_ovtype != BWO_NONE)) {
|
|
char *ovnam;
|
|
|
|
switch (sc->sc_ovtype) {
|
|
case BWO_CGFOUR:
|
|
ovnam = "cgfour";
|
|
break;
|
|
|
|
case BWO_CGEIGHT:
|
|
ovnam = "cgeight";
|
|
break;
|
|
|
|
default:
|
|
ovnam = "unknown";
|
|
break;
|
|
}
|
|
printf("%s: %s overlay plane\n", sc->sc_dev.dv_xname, ovnam);
|
|
}
|
|
|
|
/*
|
|
* If we're on an overlay plane of a color framebuffer,
|
|
* then we don't force the issue in fb_attach() because
|
|
* we'd like the color framebuffer to actually be the
|
|
* "console framebuffer". We're only around to speed
|
|
* up rconsole.
|
|
*/
|
|
if ((fb->fb_flags & FB_PFOUR) && (sc->sc_ovtype != BWO_NONE ))
|
|
fb_attach(fb, 0);
|
|
else
|
|
fb_attach(fb, isconsole);
|
|
}
|
|
|
|
int
|
|
bwtwoopen(dev, flags, mode, p)
|
|
dev_t dev;
|
|
int flags, mode;
|
|
struct proc *p;
|
|
{
|
|
int unit = minor(dev);
|
|
|
|
if (unit >= bwtwo_cd.cd_ndevs || bwtwo_cd.cd_devs[unit] == NULL)
|
|
return (ENXIO);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
bwtwoioctl(dev, cmd, data, flags, p)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flags;
|
|
struct proc *p;
|
|
{
|
|
struct bwtwo_softc *sc = bwtwo_cd.cd_devs[minor(dev)];
|
|
|
|
switch (cmd) {
|
|
|
|
case FBIOGTYPE:
|
|
*(struct fbtype *)data = sc->sc_fb.fb_type;
|
|
break;
|
|
|
|
case FBIOGVIDEO:
|
|
*(int *)data = sc->sc_get_video(sc);
|
|
break;
|
|
|
|
case FBIOSVIDEO:
|
|
sc->sc_set_video(sc, (*(int *)data));
|
|
break;
|
|
|
|
default:
|
|
return (ENOTTY);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
bwtwounblank(dev)
|
|
struct device *dev;
|
|
{
|
|
struct bwtwo_softc *sc = (struct bwtwo_softc *)dev;
|
|
|
|
sc->sc_set_video(sc, 1);
|
|
}
|
|
|
|
/*
|
|
* Return the address that would map the given device at the given
|
|
* offset, allowing for the given protection, or return -1 for error.
|
|
*/
|
|
paddr_t
|
|
bwtwommap(dev, off, prot)
|
|
dev_t dev;
|
|
off_t off;
|
|
int prot;
|
|
{
|
|
struct bwtwo_softc *sc = bwtwo_cd.cd_devs[minor(dev)];
|
|
|
|
if (off & PGOFSET)
|
|
panic("bwtwommap");
|
|
|
|
if (off >= sc->sc_fb.fb_type.fb_size)
|
|
return (-1);
|
|
|
|
return (bus_space_mmap(sc->sc_bustag,
|
|
sc->sc_paddr, sc->sc_pixeloffset + off,
|
|
prot, BUS_SPACE_MAP_LINEAR));
|
|
}
|