Annotation of sys/arch/hp300/stand/common/ite_tc.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ite_tc.c,v 1.5 2006/08/17 06:31:10 miod Exp $ */
! 2: /* $NetBSD: ite_tc.c,v 1.8 1996/03/03 04:23:41 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1988 University of Utah.
! 6: * Copyright (c) 1990, 1993
! 7: * The Regents of the University of California. All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * the Systems Programming Group of the University of Utah Computer
! 11: * Science Department.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: * from: Utah $Hdr: ite_tc.c 1.11 92/01/20$
! 38: *
! 39: * @(#)ite_tc.c 8.1 (Berkeley) 6/10/93
! 40: */
! 41:
! 42: #ifdef ITECONSOLE
! 43:
! 44: #include <sys/param.h>
! 45:
! 46: #include "samachdep.h"
! 47: #include "itevar.h"
! 48: #include "itereg.h"
! 49: #include "grfreg.h"
! 50: #include "grf_tcreg.h"
! 51:
! 52: #define REGBASE ((struct tcboxfb *)(ip->regbase))
! 53:
! 54: void topcat_windowmove(struct ite_data *, int, int, int, int,
! 55: int, int, int);
! 56:
! 57: void
! 58: topcat_init(struct ite_data *ip)
! 59: {
! 60: ip->bmv = topcat_windowmove;
! 61:
! 62: /*
! 63: * Catseye looks a lot like a topcat, but not completely.
! 64: * So, we set some bits to make it work.
! 65: */
! 66: if (REGBASE->fbid != GID_TOPCAT) {
! 67: while ((REGBASE->catseye_status & 1))
! 68: ;
! 69: REGBASE->catseye_status = 0x0;
! 70: REGBASE->vb_select = 0x0;
! 71: REGBASE->tcntrl = 0x0;
! 72: REGBASE->acntrl = 0x0;
! 73: REGBASE->pncntrl = 0x0;
! 74: REGBASE->rug_cmdstat = 0x90;
! 75: }
! 76:
! 77: /*
! 78: * Determine the number of planes by writing to the first frame
! 79: * buffer display location, then reading it back.
! 80: */
! 81: REGBASE->wen = ~0;
! 82: REGBASE->fben = ~0;
! 83: REGBASE->prr = RR_COPY;
! 84: *FBBASE = 0xFF;
! 85: ip->planemask = *FBBASE;
! 86:
! 87: /*
! 88: * Enable reading/writing of all the planes.
! 89: */
! 90: REGBASE->fben = ip->planemask;
! 91: REGBASE->wen = ip->planemask;
! 92: REGBASE->ren = ip->planemask;
! 93: REGBASE->prr = RR_COPY;
! 94:
! 95: ite_fontinfo(ip);
! 96:
! 97: /*
! 98: * Clear the framebuffer on all planes.
! 99: */
! 100: topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
! 101: tc_waitbusy(ip->regbase, ip->planemask);
! 102:
! 103: ite_fontinit8bpp(ip);
! 104:
! 105: /*
! 106: * Stash the inverted cursor.
! 107: */
! 108: topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
! 109: ip->cblanky, ip->cblankx, ip->ftheight,
! 110: ip->ftwidth, RR_COPYINVERTED);
! 111: }
! 112:
! 113: void
! 114: topcat_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
! 115: int w, int func)
! 116: {
! 117: struct tcboxfb *rp = REGBASE;
! 118:
! 119: if (h == 0 || w == 0)
! 120: return;
! 121: tc_waitbusy(ip->regbase, ip->planemask);
! 122: rp->wmrr = func;
! 123: rp->source_y = sy;
! 124: rp->source_x = sx;
! 125: rp->dest_y = dy;
! 126: rp->dest_x = dx;
! 127: rp->wheight = h;
! 128: rp->wwidth = w;
! 129: rp->wmove = ip->planemask;
! 130: }
! 131: #endif
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