initial import of NetBSD tree

1 files changed, 249 insertions, 0 deletions

diff --git a/sys/arch/hp300/dev/grf_dv.c b/sys/arch/hp300/dev/grf_dv.c
new file mode 100644
index 00000000000..9fdb700d4ae
--- /dev/null
+++ b/sys/arch/hp300/dev/grf_dv.c
@@ -0,0 +1,249 @@
+/*	$NetBSD: grf_dv.c,v 1.4 1994/10/26 07:23:49 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1988 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 $Hdr: grf_dv.c 1.12 93/08/13$
+ *
+ *	@(#)grf_dv.c	8.4 (Berkeley) 1/12/94
+ */
+
+#include "grf.h"
+#if NGRF > 0
+
+/*
+ * Graphics routines for the DaVinci, HP98730/98731 Graphics system.
+ */
+#include <sys/param.h>
+#include <sys/errno.h>
+
+#include <hp300/dev/grfioctl.h>
+#include <hp300/dev/grfvar.h>
+#include <hp300/dev/grf_dvreg.h>
+
+#include <machine/cpu.h>
+
+/*
+ * Initialize hardware.
+ * Must point g_display at a grfinfo structure describing the hardware.
+ * Returns 0 if hardware not present, non-zero ow.
+ */
+dv_init(gp, addr)
+	struct grf_softc *gp;
+	caddr_t addr;
+{
+	register struct dvboxfb *dbp;
+	struct grfinfo *gi = &gp->g_display;
+	int fboff;
+	extern caddr_t sctopa(), iomap();
+
+	dbp = (struct dvboxfb *) addr;
+	if (ISIIOVA(addr))
+		gi->gd_regaddr = (caddr_t) IIOP(addr);
+	else
+		gi->gd_regaddr = sctopa(vatosc(addr));
+	gi->gd_regsize = 0x20000;
+	gi->gd_fbwidth = (dbp->fbwmsb << 8) | dbp->fbwlsb;
+	gi->gd_fbheight = (dbp->fbhmsb << 8) | dbp->fbhlsb;
+	gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
+	fboff = (dbp->fbomsb << 8) | dbp->fbolsb;
+	gi->gd_fbaddr = (caddr_t) (*((u_char *)addr + fboff) << 16);
+	if (gi->gd_regaddr >= (caddr_t)DIOIIBASE) {
+		/*
+		 * For DIO II space the fbaddr just computed is the offset
+		 * from the select code base (regaddr) of the framebuffer.
+		 * Hence it is also implicitly the size of the register set.
+		 */
+		gi->gd_regsize = (int) gi->gd_fbaddr;
+		gi->gd_fbaddr += (int) gi->gd_regaddr;
+		gp->g_regkva = addr;
+		gp->g_fbkva = addr + gi->gd_regsize;
+	} else {
+		/*
+		 * For DIO space we need to map the seperate framebuffer.
+		 */
+		gp->g_regkva = addr;
+		gp->g_fbkva = iomap(gi->gd_fbaddr, gi->gd_fbsize);
+	}
+	gi->gd_dwidth = (dbp->dwmsb << 8) | dbp->dwlsb;
+	gi->gd_dheight = (dbp->dwmsb << 8) | dbp->dwlsb;
+	gi->gd_planes = 0;	/* ?? */
+	gi->gd_colors = 256;
+
+	dv_reset(dbp);
+	return(1);
+}
+
+/*
+ *  Magic code herein.
+ */
+dv_reset(dbp)
+	register struct dvboxfb *dbp;
+{
+  	dbp->reset = 0x80;
+	DELAY(100);
+
+	dbp->interrupt = 0x04;
+	dbp->en_scan   = 0x01;
+	dbp->fbwen     = ~0;
+	dbp->opwen     = ~0;
+	dbp->fold      = 0x01;
+	dbp->drive     = 0x01;
+	dbp->rep_rule  = 0x33;
+	dbp->alt_rr    = 0x33;
+	dbp->zrr       = 0x33;
+
+	dbp->fbvenp    = 0xFF;
+	dbp->dispen    = 0x01;
+	dbp->fbvens    = 0x0;
+	dbp->fv_trig   = 0x01;
+	DELAY(100);
+	dbp->vdrive    = 0x0;
+	dbp->zconfig   = 0x0;
+
+	while (dbp->wbusy & 0x01)
+	  DELAY(100);
+
+	dbp->cmapbank = 0;
+
+	dbp->red0   = 0;
+	dbp->red1   = 0;
+	dbp->green0 = 0;
+	dbp->green1 = 0;
+	dbp->blue0  = 0;
+	dbp->blue1  = 0;
+
+	dbp->panxh   = 0;
+	dbp->panxl   = 0;
+	dbp->panyh   = 0;
+	dbp->panyl   = 0;
+	dbp->zoom    = 0;
+	dbp->cdwidth = 0x50;
+	dbp->chstart = 0x52;
+	dbp->cvwidth = 0x22;
+	dbp->pz_trig = 1;
+}
+
+/*
+ * Change the mode of the display.
+ * Right now all we can do is grfon/grfoff.
+ * Return a UNIX error number or 0 for success.
+ */
+dv_mode(gp, cmd, data)
+	register struct grf_softc *gp;
+	int cmd;
+	caddr_t data;
+{
+	register struct dvboxfb *dbp;
+	int error = 0;
+
+	dbp = (struct dvboxfb *) gp->g_regkva;
+	switch (cmd) {
+	case GM_GRFON:
+	  	dbp->dispen = 0x01;
+	  	break;
+
+	case GM_GRFOFF:
+		break;
+
+	case GM_GRFOVON:
+		dbp->opwen = 0xF;
+		dbp->drive = 0x10;
+		break;
+
+	case GM_GRFOVOFF:
+		dbp->opwen = 0;
+		dbp->drive = 0x01;
+		break;
+
+	/*
+	 * Remember UVA of mapping for GCDESCRIBE.
+	 * XXX this should be per-process.
+	 */
+	case GM_MAP:
+		gp->g_data = data;
+		break;
+
+	case GM_UNMAP:
+		gp->g_data = 0;
+		break;
+
+#ifdef COMPAT_HPUX
+	case GM_DESCRIBE:
+	{
+		struct grf_fbinfo *fi = (struct grf_fbinfo *)data;
+		struct grfinfo *gi = &gp->g_display;
+		int i;
+
+		/* feed it what HP-UX expects */
+		fi->id = gi->gd_id;
+		fi->mapsize = gi->gd_fbsize;
+		fi->dwidth = gi->gd_dwidth;
+		fi->dlength = gi->gd_dheight;
+		fi->width = gi->gd_fbwidth;
+		fi->length = gi->gd_fbheight;
+		fi->bpp = NBBY;
+		fi->xlen = (fi->width * fi->bpp) / NBBY;
+		fi->npl = gi->gd_planes;
+		fi->bppu = fi->npl;
+		fi->nplbytes = fi->xlen * ((fi->length * fi->bpp) / NBBY);
+		bcopy("HP98730", fi->name, 8);
+		fi->attr = 2;	/* HW block mover */
+		/*
+		 * If mapped, return the UVA where mapped.
+		 */
+		if (gp->g_data) {
+			fi->regbase = gp->g_data;
+			fi->fbbase = fi->regbase + gp->g_display.gd_regsize;
+		} else {
+			fi->fbbase = 0;
+			fi->regbase = 0;
+		}
+		for (i = 0; i < 6; i++)
+			fi->regions[i] = 0;
+		break;
+	}
+#endif
+
+	default:
+		error = EINVAL;
+		break;
+	}
+	return(error);
+}
+
+#endif