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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /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.c152
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