NetBSD/sys/arch/hp300/dev/grf_subr.c

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/* $NetBSD: grf_subr.c,v 1.4 1997/03/31 07:34:18 scottr Exp $ */
/*-
* Copyright (c) 1996 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 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.
*/
/*
* Subroutines common to all framebuffer devices.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
int grfdevprint __P((void *, const char *));
void
grfdev_attach(sc, init, regs, sw)
struct grfdev_softc *sc;
int (*init) __P((struct grf_data *, int, caddr_t));
caddr_t regs;
struct grfsw *sw;
{
struct grfdev_attach_args ga;
struct grf_data *gp;
int isconsole;
isconsole = (sc->sc_scode == conscode);
if (isconsole)
sc->sc_data = gp = &grf_cn;
else {
sc->sc_data = gp =
(struct grf_data *)malloc(sizeof(struct grf_data),
M_DEVBUF, M_NOWAIT);
if (sc->sc_data == NULL) {
printf("\n%s: can't allocate grf data\n",
sc->sc_dev.dv_xname);
return;
}
bzero(sc->sc_data, sizeof(struct grf_data));
/* Initialize the framebuffer hardware. */
if ((*init)(sc->sc_data, sc->sc_scode, regs) == 0) {
printf("\n%s: init failed\n",
sc->sc_dev.dv_xname);
free(sc->sc_data, M_DEVBUF);
return;
}
gp->g_flags = GF_ALIVE;
gp->g_sw = sw;
gp->g_display.gd_id = gp->g_sw->gd_swid;
}
/* Announce ourselves. */
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\n", gp->g_sw->gd_desc);
/* Attach a grf. */
ga.ga_scode = sc->sc_scode; /* XXX */
ga.ga_isconsole = isconsole;
ga.ga_data = (void *)sc->sc_data;
(void)config_found(&sc->sc_dev, &ga, grfdevprint);
}
int
grfdevprint(aux, pnp)
void *aux;
const char *pnp;
{
/* struct grfdev_attach_args *ga = aux; */
/* Only grf's can attach to grfdev's... easy. */
if (pnp)
printf("grf at %s", pnp);
return (UNCONF);
}