265 lines
6.7 KiB
C
265 lines
6.7 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: ite_tc.c 1.25 91/03/25
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* from: @(#)ite_tc.c 7.4 (Berkeley) 5/7/91
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* $Id: ite_tc.c,v 1.3 1993/08/01 19:24:25 mycroft Exp $
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*/
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#include "ite.h"
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#if NITE > 0
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#include "param.h"
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#include "conf.h"
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#include "proc.h"
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#include "ioctl.h"
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#include "tty.h"
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#include "systm.h"
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#include "grf_tcreg.h"
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#include "itereg.h"
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#include "itevar.h"
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#include "machine/cpu.h"
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#define REGBASE ((struct tcboxfb *)(ip->regbase))
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#define WINDOWMOVER topcat_windowmove
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/* XXX */
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#include "grfioctl.h"
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#include "grfvar.h"
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topcat_init(ip)
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register struct ite_softc *ip;
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{
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/* XXX */
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if (ip->regbase == NULL) {
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struct grf_softc *gp = &grf_softc[ip - ite_softc];
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ip->regbase = gp->g_regkva;
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ip->fbbase = gp->g_fbkva;
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}
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/*
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* Catseye looks a lot like a topcat, but not completely.
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* So, we set some bits to make it work.
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*/
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if (REGBASE->fbid != GID_TOPCAT) {
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while ((REGBASE->catseye_status & 1))
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;
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REGBASE->catseye_status = 0x0;
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REGBASE->vb_select = 0x0;
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REGBASE->tcntrl = 0x0;
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REGBASE->acntrl = 0x0;
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REGBASE->pncntrl = 0x0;
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REGBASE->rug_cmdstat = 0x90;
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}
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/*
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* Determine the number of planes by writing to the first frame
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* buffer display location, then reading it back.
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*/
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REGBASE->wen = ~0;
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REGBASE->fben = ~0;
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REGBASE->prr = RR_COPY;
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*FBBASE = 0xFF;
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ip->planemask = *FBBASE;
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/*
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* Enable reading/writing of all the planes.
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*/
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REGBASE->fben = ip->planemask;
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REGBASE->wen = ip->planemask;
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REGBASE->ren = ip->planemask;
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REGBASE->prr = RR_COPY;
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ite_devinfo(ip);
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/*
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* Clear the framebuffer on all planes.
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*/
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topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
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tc_waitbusy(REGADDR, ip->planemask);
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ite_fontinit(ip);
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/*
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* Initialize color map for color displays
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*/
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if (ip->planemask != 1) {
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tc_waitbusy(REGADDR, ip->planemask);
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REGBASE->nblank = 0x01;
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tccm_waitbusy(REGADDR);
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REGBASE->rdata = 0x0;
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REGBASE->gdata = 0x0;
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REGBASE->bdata = 0x0;
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REGBASE->cindex = 0xFF;
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REGBASE->strobe = 0xFF;
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DELAY(100);
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tccm_waitbusy(REGADDR);
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REGBASE->rdata = 0x0;
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REGBASE->gdata = 0x0;
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REGBASE->bdata = 0x0;
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REGBASE->cindex = 0x0;
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DELAY(100);
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tccm_waitbusy(REGADDR);
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REGBASE->rdata = 0xFF;
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REGBASE->gdata = 0xFF;
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REGBASE->bdata = 0xFF;
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REGBASE->cindex = 0xFE;
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REGBASE->strobe = 0xFF;
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DELAY(100);
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tccm_waitbusy(REGADDR);
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REGBASE->rdata = 0x0;
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REGBASE->gdata = 0x0;
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REGBASE->bdata = 0x0;
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REGBASE->cindex = 0x0;
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}
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/*
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* Stash the inverted cursor.
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*/
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topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
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ip->cblanky, ip->cblankx, ip->ftheight,
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ip->ftwidth, RR_COPYINVERTED);
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}
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topcat_deinit(ip)
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register struct ite_softc *ip;
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{
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topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
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tc_waitbusy(REGADDR, ip->planemask);
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REGBASE->nblank = ~0;
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ip->flags &= ~ITE_INITED;
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}
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topcat_putc(ip, c, dy, dx, mode)
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register struct ite_softc *ip;
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int c, dy, dx, mode;
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{
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int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
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topcat_windowmove(ip, charY(ip, c), charX(ip, c),
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dy * ip->ftheight, dx * ip->ftwidth,
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ip->ftheight, ip->ftwidth, wmrr);
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}
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topcat_cursor(ip, flag)
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register struct ite_softc *ip;
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register int flag;
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{
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if (flag == DRAW_CURSOR)
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draw_cursor(ip)
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else if (flag == MOVE_CURSOR) {
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erase_cursor(ip)
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draw_cursor(ip)
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}
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else
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erase_cursor(ip)
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}
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topcat_clear(ip, sy, sx, h, w)
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register struct ite_softc *ip;
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register int sy, sx, h, w;
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{
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topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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sy * ip->ftheight, sx * ip->ftwidth,
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h * ip->ftheight, w * ip->ftwidth,
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RR_CLEAR);
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}
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topcat_scroll(ip, sy, sx, count, dir)
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register struct ite_softc *ip;
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register int sy, count;
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int dir, sx;
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{
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register int dy;
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register int dx = sx;
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register int height = 1;
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register int width = ip->cols;
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topcat_cursor(ip, ERASE_CURSOR);
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if (dir == SCROLL_UP) {
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dy = sy - count;
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height = ip->rows - sy;
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}
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else if (dir == SCROLL_DOWN) {
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dy = sy + count;
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height = ip->rows - dy - 1;
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}
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else if (dir == SCROLL_RIGHT) {
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dy = sy;
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dx = sx + count;
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width = ip->cols - dx;
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}
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else {
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dy = sy;
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dx = sx - count;
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width = ip->cols - sx;
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}
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topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
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dy * ip->ftheight, dx * ip->ftwidth,
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height * ip->ftheight,
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width * ip->ftwidth, RR_COPY);
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}
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topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
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struct ite_softc *ip;
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int sy, sx, dy, dx, h, w, func;
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{
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register struct tcboxfb *rp = REGBASE;
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if (h == 0 || w == 0)
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return;
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tc_waitbusy(REGADDR, ip->planemask);
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rp->wmrr = func;
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rp->source_y = sy;
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rp->source_x = sx;
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rp->dest_y = dy;
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rp->dest_x = dx;
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rp->wheight = h;
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rp->wwidth = w;
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rp->wmove = ip->planemask;
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}
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#endif
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