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/* $NetBSD: grf_machdep.c,v 1.4 1996/02/24 00:55:13 thorpej Exp $ */
/*
* Copyright (c) 1996 Jason R. Thorpe. All rights reserved.
* Copyright (c) 1991 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah $Hdr: grf_machdep.c 1.1 92/01/21
*
* @(#)grf_machdep.c 8.2 (Berkeley) 1/12/94
*/
/*
* Graphics display driver for the HP300/400 DIO/DIO-II based machines.
* This is the hardware-dependent configuration portion of the driver.
*/
#include "grf.h"
#if NGRF > 0
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <machine/autoconf.h>
#include <hp300/dev/device.h>
#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
#include <hp300/dev/grfreg.h>
#include <hp300/dev/itevar.h>
#include "ite.h"
int grfmatch();
void grfattach();
int grfinit __P((struct hp_device *, struct grf_data *, int));
struct driver grfdriver = { grfmatch, grfattach, "grf" };
int
grfmatch(hd)
struct hp_device *hd;
{
struct grf_softc *sc = &grf_softc[hd->hp_unit];
int scode;
if (hd->hp_args->hw_pa == (caddr_t)GRFIADDR) /* XXX */
scode = -1;
else
scode = hd->hp_args->hw_sc;
if (scode == conscode) {
/*
* We've already been initialized.
*/
sc->sc_data = &grf_cn;
return (1);
}
/*
* Allocate storage space for the grf_data.
*/
sc->sc_data = (struct grf_data *)malloc(sizeof(struct grf_data),
M_DEVBUF, M_NOWAIT);
if (sc->sc_data == NULL) {
printf("grfmatch: malloc for grf_data failed\n");
return (0);
}
bzero(sc->sc_data, sizeof(struct grf_data));
return (grfinit(hd, sc->sc_data, scode));
}
void
grfattach(hd)
struct hp_device *hd;
{
struct grf_softc *sc = &grf_softc[hd->hp_unit];
struct grf_data *gp = sc->sc_data;
int scode, isconsole;
if (hd->hp_args->hw_pa == (caddr_t)GRFIADDR) /* XXX */
scode = -1;
else
scode = hd->hp_args->hw_sc;
if (scode == conscode)
isconsole = 1;
else
isconsole = 0;
printf(": %d x %d ", gp->g_display.gd_dwidth,
gp->g_display.gd_dheight);
if (gp->g_display.gd_colors == 2)
printf("monochrome");
else
printf("%d color", gp->g_display.gd_colors);
printf(" %s display", gp->g_sw->gd_desc);
if (isconsole)
printf(" (console)");
printf("\n");
#if NITE > 0
/* XXX hack */
ite_attach_grf(hd->hp_unit, isconsole);
#endif /* NITE > 0 */
}
int
grfinit(hd, gp, scode)
struct hp_device *hd;
struct grf_data *gp;
int scode;
{
register struct grfsw *gsw;
struct grfreg *gr;
caddr_t addr = hd->hp_addr;
int i;
gr = (struct grfreg *) addr;
if (gr->gr_id != GRFHWID)
return(0);
for (i = 0; i < ngrfsw; ++i) {
gsw = grfsw[i];
if (gsw->gd_hwid == gr->gr_id2)
break;
}
if ((i < ngrfsw) && (*gsw->gd_init)(gp, scode, addr)) {
gp->g_sw = gsw;
gp->g_display.gd_id = gsw->gd_swid;
gp->g_flags = GF_ALIVE;
return(1);
}
return(0);
}
#endif /* NGRF > 0 */
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