NetBSD/sys/arch/hp300/dev/ite_dv.c

247 lines
6.3 KiB
C

/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 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 1.7 91/01/21
* from: @(#)ite_dv.c 7.5 (Berkeley) 5/7/91
* $Id: ite_dv.c,v 1.3 1993/08/01 19:24:23 mycroft Exp $
*/
#include "ite.h"
#if NITE > 0
#include "param.h"
#include "conf.h"
#include "proc.h"
#include "ioctl.h"
#include "tty.h"
#include "systm.h"
#include "itevar.h"
#include "itereg.h"
#include "grf_dvreg.h"
#include "machine/cpu.h"
/* XXX */
#include "grfioctl.h"
#include "grfvar.h"
#define REGBASE ((struct dvboxfb *)(ip->regbase))
#define WINDOWMOVER dvbox_windowmove
dvbox_init(ip)
struct ite_softc *ip;
{
int i;
/* XXX */
if (ip->regbase == 0) {
struct grf_softc *gp = &grf_softc[ip - ite_softc];
ip->regbase = gp->g_regkva;
ip->fbbase = gp->g_fbkva;
}
dv_reset(REGADDR);
/*
* 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(100);
/*
* 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(REGADDR);
ite_devinfo(ip);
ite_fontinit(ip);
/*
* Clear the (visible) framebuffer.
*/
dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
db_waitbusy(REGADDR);
/*
* Stash the inverted cursor.
*/
dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
dvbox_deinit(ip)
struct ite_softc *ip;
{
dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
db_waitbusy(REGADDR);
ip->flags &= ~ITE_INITED;
}
dvbox_putc(ip, c, dy, dx, mode)
register struct ite_softc *ip;
register int dy, dx;
int c, mode;
{
register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wrr);
}
dvbox_cursor(ip, flag)
register struct ite_softc *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)
}
dvbox_clear(ip, sy, sx, h, w)
struct ite_softc *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);
}
dvbox_scroll(ip, sy, sx, count, dir)
register struct ite_softc *ip;
register int sy, count;
int dir, sx;
{
register int dy;
register int dx = sx;
register int height = 1;
register int width = ip->cols;
dvbox_cursor(ip, ERASE_CURSOR);
if (dir == SCROLL_UP) {
dy = sy - count;
height = ip->rows - sy;
}
else if (dir == SCROLL_DOWN) {
dy = sy + count;
height = ip->rows - dy - 1;
}
else if (dir == SCROLL_RIGHT) {
dy = sy;
dx = sx + count;
width = ip->cols - dx;
}
else {
dy = sy;
dx = sx - count;
width = ip->cols - sx;
}
dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
struct ite_softc *ip;
int sy, sx, dy, dx, h, w, func;
{
register struct dvboxfb *dp = REGBASE;
if (h == 0 || w == 0)
return;
db_waitbusy(REGADDR);
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;
}
#endif