diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/arch/hp300/dev/grf_machdep.c |
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/hp300/dev/grf_machdep.c')
-rw-r--r-- | sys/arch/hp300/dev/grf_machdep.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sys/arch/hp300/dev/grf_machdep.c b/sys/arch/hp300/dev/grf_machdep.c new file mode 100644 index 00000000000..3e6d0244b92 --- /dev/null +++ b/sys/arch/hp300/dev/grf_machdep.c @@ -0,0 +1,152 @@ +/* $NetBSD: grf_machdep.c,v 1.2 1994/10/26 07:23:59 cgd Exp $ */ + +/* + * 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 <hp300/dev/device.h> +#include <hp300/dev/grfioctl.h> +#include <hp300/dev/grfvar.h> +#include <hp300/dev/grfreg.h> + +int grfprobe(); +struct driver grfdriver = { grfprobe, "grf" }; + +/* + * XXX called from ite console init routine. + * Does just what configure will do later but without printing anything. + */ +grfconfig() +{ + register caddr_t addr; + register struct hp_hw *hw; + register struct hp_device *hd, *nhd; + + for (hw = sc_table; hw->hw_type; hw++) { + if (!HW_ISDEV(hw, D_BITMAP)) + continue; + /* + * Found one, now match up with a logical unit number + */ + nhd = NULL; + addr = hw->hw_kva; + for (hd = hp_dinit; hd->hp_driver; hd++) { + if (hd->hp_driver != &grfdriver || hd->hp_alive) + continue; + /* + * Wildcarded. If first, remember as possible match. + */ + if (hd->hp_addr == NULL) { + if (nhd == NULL) + nhd = hd; + continue; + } + /* + * Not wildcarded. + * If exact match done searching, else keep looking. + */ + if (sctova(hd->hp_addr) == addr) { + nhd = hd; + break; + } + } + /* + * Found a match, initialize + */ + if (nhd && grfinit(addr, nhd->hp_unit)) + nhd->hp_addr = addr; + } +} + +/* + * Normal init routine called by configure() code + */ +grfprobe(hd) + struct hp_device *hd; +{ + struct grf_softc *gp = &grf_softc[hd->hp_unit]; + + if ((gp->g_flags & GF_ALIVE) == 0 && + !grfinit(hd->hp_addr, hd->hp_unit)) + return(0); + printf("grf%d: %d x %d ", hd->hp_unit, + 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); + return(1); +} + +grfinit(addr, unit) + caddr_t addr; + int unit; +{ + struct grf_softc *gp = &grf_softc[unit]; + register struct grfsw *gsw; + struct grfreg *gr; + + gr = (struct grfreg *) addr; + if (gr->gr_id != GRFHWID) + return(0); + for (gsw = grfsw; gsw < &grfsw[ngrfsw]; gsw++) + if (gsw->gd_hwid == gr->gr_id2) + break; + if (gsw < &grfsw[ngrfsw] && (*gsw->gd_init)(gp, addr)) { + gp->g_sw = gsw; + gp->g_display.gd_id = gsw->gd_swid; + gp->g_flags = GF_ALIVE; + return(1); + } + return(0); +} +#endif |