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

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/*
* 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_tc.c 1.25 91/03/25
* from: @(#)ite_tc.c 7.4 (Berkeley) 5/7/91
* $Id: ite_tc.c,v 1.3 1993/08/01 19:24:25 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 "grf_tcreg.h"
#include "itereg.h"
#include "itevar.h"
#include "machine/cpu.h"
#define REGBASE ((struct tcboxfb *)(ip->regbase))
#define WINDOWMOVER topcat_windowmove
/* XXX */
#include "grfioctl.h"
#include "grfvar.h"
topcat_init(ip)
register struct ite_softc *ip;
{
/* XXX */
if (ip->regbase == NULL) {
struct grf_softc *gp = &grf_softc[ip - ite_softc];
ip->regbase = gp->g_regkva;
ip->fbbase = gp->g_fbkva;
}
/*
* Catseye looks a lot like a topcat, but not completely.
* So, we set some bits to make it work.
*/
if (REGBASE->fbid != GID_TOPCAT) {
while ((REGBASE->catseye_status & 1))
;
REGBASE->catseye_status = 0x0;
REGBASE->vb_select = 0x0;
REGBASE->tcntrl = 0x0;
REGBASE->acntrl = 0x0;
REGBASE->pncntrl = 0x0;
REGBASE->rug_cmdstat = 0x90;
}
/*
* Determine the number of planes by writing to the first frame
* buffer display location, then reading it back.
*/
REGBASE->wen = ~0;
REGBASE->fben = ~0;
REGBASE->prr = RR_COPY;
*FBBASE = 0xFF;
ip->planemask = *FBBASE;
/*
* Enable reading/writing of all the planes.
*/
REGBASE->fben = ip->planemask;
REGBASE->wen = ip->planemask;
REGBASE->ren = ip->planemask;
REGBASE->prr = RR_COPY;
ite_devinfo(ip);
/*
* Clear the framebuffer on all planes.
*/
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(REGADDR, ip->planemask);
ite_fontinit(ip);
/*
* Initialize color map for color displays
*/
if (ip->planemask != 1) {
tc_waitbusy(REGADDR, ip->planemask);
REGBASE->nblank = 0x01;
tccm_waitbusy(REGADDR);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0xFF;
REGBASE->strobe = 0xFF;
DELAY(100);
tccm_waitbusy(REGADDR);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0x0;
DELAY(100);
tccm_waitbusy(REGADDR);
REGBASE->rdata = 0xFF;
REGBASE->gdata = 0xFF;
REGBASE->bdata = 0xFF;
REGBASE->cindex = 0xFE;
REGBASE->strobe = 0xFF;
DELAY(100);
tccm_waitbusy(REGADDR);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0x0;
}
/*
* Stash the inverted cursor.
*/
topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
topcat_deinit(ip)
register struct ite_softc *ip;
{
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(REGADDR, ip->planemask);
REGBASE->nblank = ~0;
ip->flags &= ~ITE_INITED;
}
topcat_putc(ip, c, dy, dx, mode)
register struct ite_softc *ip;
int c, dy, dx, mode;
{
int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
topcat_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wmrr);
}
topcat_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)
}
topcat_clear(ip, sy, sx, h, w)
register struct ite_softc *ip;
register int sy, sx, h, w;
{
topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
topcat_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;
topcat_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;
}
topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
struct ite_softc *ip;
int sy, sx, dy, dx, h, w, func;
{
register struct tcboxfb *rp = REGBASE;
if (h == 0 || w == 0)
return;
tc_waitbusy(REGADDR, ip->planemask);
rp->wmrr = func;
rp->source_y = sy;
rp->source_x = sx;
rp->dest_y = dy;
rp->dest_x = dx;
rp->wheight = h;
rp->wwidth = w;
rp->wmove = ip->planemask;
}
#endif