/*
* 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. 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 $Hdr: ite_tc.c 1.11 92/01/20$
*
* @(#)ite_tc.c 8.1 (Berkeley) 6/10/93
*/
/*
* 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_fontinfo(ip);
/*
* Clear the framebuffer on all planes.
*/
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(regbase, ip->planemask);