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/* $NetBSD: ite_dv.c,v 1.8 1996/03/03 04:23:35 thorpej 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 $Hdr: ite_dv.c 1.2 92/01/20$
*
* @(#)ite_dv.c 8.1 (Berkeley) 6/10/93
*/
#include <hp300/stand/samachdep.h>
#ifdef ITECONSOLE
#include <sys/param.h>
#include <hp300/stand/itevar.h>
#include <hp300/dev/itereg.h>
#include <hp300/dev/grf_dvreg.h>
#define REGBASE ((struct dvboxfb *)(ip->regbase))
#define WINDOWMOVER dvbox_windowmove
void dvbox_windowmove __P((struct ite_data *, int, int, int, int,
int, int, int));
void
dvbox_init(ip)
struct ite_data *ip;
{
int i;
dv_reset(ip->regbase);
DELAY(4000);
/*
* Turn on frame buffer, turn on overlay planes, set replacement
* rule, enable top overlay plane writes for ite, disable all frame
* buffer planes, set byte per pixel, and display frame buffer 0.
* Lastly, turn on the box.
*/
REGBASE->interrupt = 0x04;
REGBASE->drive = 0x10;
REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
REGBASE->opwen = 0x01;
REGBASE->fbwen = 0x0;
REGBASE->fold = 0x01;
REGBASE->vdrive = 0x0;
REGBASE->dispen = 0x01;
/*
* Video enable top overlay plane.
*/
REGBASE->opvenp = 0x01;
REGBASE->opvens = 0x01;
/*
* Make sure that overlay planes override frame buffer planes.
*/
REGBASE->ovly0p = 0x0;
REGBASE->ovly0s = 0x0;
REGBASE->ovly1p = 0x0;
REGBASE->ovly1s = 0x0;
REGBASE->fv_trig = 0x1;
DELAY(400);
/*
* Setup the overlay colormaps. Need to set the 0,1 (black/white)
* color for both banks.
*/
for (i = 0; i <= 1; i++) {
REGBASE->cmapbank = i;
REGBASE->rgb[0].red = 0x00;
REGBASE->rgb[0].green = 0x00;
REGBASE->rgb[0].blue = 0x00;
REGBASE->rgb[1].red = 0xFF;
REGBASE->rgb[1].green = 0xFF;
REGBASE->rgb[1].blue = 0xFF;
}
REGBASE->cmapbank = 0;
db_waitbusy(ip->regbase);
ite_fontinfo(ip);
ite_fontinit(ip);
/*
* Clear the (visible) framebuffer.
*/
dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
db_waitbusy(ip->regbase);
/*
* Stash the inverted cursor.
*/
dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
db_waitbusy(ip->regbase);
}
void
dvbox_putc(ip, c, dy, dx, mode)
register struct ite_data *ip;
register int dy, dx;
int c, mode;
{
dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, RR_COPY);
}
void
dvbox_cursor(ip, flag)
register struct ite_data *ip;
register int flag;
{
if (flag == DRAW_CURSOR)
draw_cursor(ip)
else if (flag == MOVE_CURSOR) {
erase_cursor(ip)
draw_cursor(ip)
}
else
erase_cursor(ip)
}
void
dvbox_clear(ip, sy, sx, h, w)
struct ite_data *ip;
register int sy, sx, h, w;
{
dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
void
dvbox_scroll(ip, sy, sx, count, dir)
register struct ite_data *ip;
register int sy, count;
int dir, sx;
{
register int dy = sy - count;
register int height = ip->rows - sy;
dvbox_cursor(ip, ERASE_CURSOR);
dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, sx * ip->ftwidth,
height * ip->ftheight,
ip->cols * ip->ftwidth, RR_COPY);
}
void
dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
struct ite_data *ip;
int sy, sx, dy, dx, h, w, func;
{
register struct dvboxfb *dp = REGBASE;
if (h == 0 || w == 0)
return;
db_waitbusy(ip->regbase);
dp->rep_rule = func << 4 | func;
dp->source_y = sy;
dp->source_x = sx;
dp->dest_y = dy;
dp->dest_x = dx;
dp->wheight = h;
dp->wwidth = w;
dp->wmove = 1;
}
dv_reset(dbp)
register struct dvboxfb *dbp;
{
dbp->reset = 0x80;
DELAY(400);
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(400);
dbp->vdrive = 0x0;
dbp->zconfig = 0x0;
while (dbp->wbusy & 0x01)
DELAY(400);
/*
* Start of missing ROM code.
*/
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;
/*
* End of missing ROM code.
*/
}
#endif
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