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Annotation of sys/arch/hp300/stand/common/ite_tc.c, Revision 1.1.1.1

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