124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/* $NetBSD: grf_subr.c,v 1.5 1997/10/09 09:06:53 jtc Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Subroutines common to all framebuffer devices.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <hp300/dev/grfioctl.h>
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#include <hp300/dev/grfvar.h>
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int grfdevprint __P((void *, const char *));
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void
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grfdev_attach(sc, init, regs, sw)
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struct grfdev_softc *sc;
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int (*init) __P((struct grf_data *, int, caddr_t));
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caddr_t regs;
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struct grfsw *sw;
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{
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struct grfdev_attach_args ga;
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struct grf_data *gp;
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int isconsole;
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isconsole = (sc->sc_scode == conscode);
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if (isconsole)
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sc->sc_data = gp = &grf_cn;
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else {
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sc->sc_data = gp =
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(struct grf_data *)malloc(sizeof(struct grf_data),
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M_DEVBUF, M_NOWAIT);
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if (sc->sc_data == NULL) {
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printf("\n%s: can't allocate grf data\n",
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sc->sc_dev.dv_xname);
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return;
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}
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bzero(sc->sc_data, sizeof(struct grf_data));
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/* Initialize the framebuffer hardware. */
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if ((*init)(sc->sc_data, sc->sc_scode, regs) == 0) {
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printf("\n%s: init failed\n",
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sc->sc_dev.dv_xname);
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free(sc->sc_data, M_DEVBUF);
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return;
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}
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gp->g_flags = GF_ALIVE;
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gp->g_sw = sw;
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gp->g_display.gd_id = gp->g_sw->gd_swid;
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}
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/* Announce ourselves. */
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printf(": %d x %d ", gp->g_display.gd_dwidth,
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gp->g_display.gd_dheight);
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if (gp->g_display.gd_colors == 2)
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printf("monochrome");
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else
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printf("%d color", gp->g_display.gd_colors);
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printf(" %s display\n", gp->g_sw->gd_desc);
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/* Attach a grf. */
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ga.ga_scode = sc->sc_scode; /* XXX */
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ga.ga_isconsole = isconsole;
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ga.ga_data = (void *)sc->sc_data;
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(void)config_found(&sc->sc_dev, &ga, grfdevprint);
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}
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int
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grfdevprint(aux, pnp)
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void *aux;
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const char *pnp;
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{
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/* struct grfdev_attach_args *ga = aux; */
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/* Only grf's can attach to grfdev's... easy. */
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if (pnp)
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printf("grf at %s", pnp);
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return (UNCONF);
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}
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