Annotation of Net2/arch/hp300/stand/ite_tc.c, revision 1.1.1.2

1.1       root        1: /*
                      2:  * Copyright (c) 1988 University of Utah.
                      3:  * Copyright (c) 1990 The Regents of the University of California.
                      4:  * All rights reserved.
                      5:  *
                      6:  * This code is derived from software contributed to Berkeley by
                      7:  * the Systems Programming Group of the University of Utah Computer
                      8:  * Science Department.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the University of
                     21:  *     California, Berkeley and its contributors.
                     22:  * 4. Neither the name of the University nor the names of its contributors
                     23:  *    may be used to endorse or promote products derived from this software
                     24:  *    without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  *
                     38:  * from: Utah $Hdr: ite_tc.c 1.9 89/02/20$
                     39:  *
1.1.1.2 ! root       40:  *     from: @(#)ite_tc.c      7.2 (Berkeley) 12/16/90
        !            41:  *     ite_tc.c,v 1.2 1993/05/22 07:59:09 cgd Exp
1.1       root       42:  */
                     43: 
                     44: #include "samachdep.h"
                     45: 
                     46: #ifdef ITECONSOLE
                     47: 
                     48: #include "sys/param.h"
                     49: #include "../dev/itevar.h"
                     50: #include "../dev/itereg.h"
                     51: #include "../dev/grfvar.h"
                     52: #include "../dev/grf_tcreg.h"
                     53: 
                     54: #define REGBASE                ((struct tcboxfb *)(ip->regbase))
                     55: #define WINDOWMOVER    topcat_windowmove
                     56: 
                     57: topcat_init(ip)
                     58:        register struct ite_softc *ip;
                     59: {
                     60: 
                     61:        /*
                     62:         * Determine the number of planes by writing to the first frame
                     63:         * buffer display location, then reading it back. 
                     64:         */
                     65:        REGBASE->wen = ~0;
                     66:        REGBASE->fben = ~0;
                     67:        REGBASE->prr = RR_COPY;
                     68:        *FBBASE = 0xFF;
                     69:        ip->planemask = *FBBASE;
                     70: 
                     71:        /*
                     72:         * Enable reading/writing of all the planes.
                     73:         */
                     74:        REGBASE->fben = ip->planemask;
                     75:        REGBASE->wen  = ip->planemask;
                     76:        REGBASE->ren  = ip->planemask;
                     77:        REGBASE->prr  = RR_COPY;
                     78: 
                     79:        ite_devinfo(ip);
                     80: 
                     81:        /*
                     82:         * Clear the framebuffer on all planes.
                     83:         */
                     84:        topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
                     85:        tc_waitbusy(REGADDR, ip->planemask);
                     86: 
                     87:        ite_fontinit(ip);
                     88: 
                     89:        /*
                     90:         * Stash the inverted cursor.
                     91:         */
                     92:        topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
                     93:                          ip->cblanky, ip->cblankx, ip->ftheight,
                     94:                          ip->ftwidth, RR_COPYINVERTED);
                     95: }
                     96: 
                     97: topcat_putc(ip, c, dy, dx, mode)
                     98:        register struct ite_softc *ip;
                     99:         register int dy, dx;
                    100:        int c, mode;
                    101: {
                    102:        topcat_windowmove(ip, charY(ip, c), charX(ip, c),
                    103:                          dy * ip->ftheight, dx * ip->ftwidth,
                    104:                          ip->ftheight, ip->ftwidth, RR_COPY);
                    105: }
                    106: 
                    107: topcat_cursor(ip, flag)
                    108:        register struct ite_softc *ip;
                    109:         register int flag;
                    110: {
                    111:        if (flag == DRAW_CURSOR)
                    112:                draw_cursor(ip)
                    113:        else if (flag == MOVE_CURSOR) {
                    114:                erase_cursor(ip)
                    115:                draw_cursor(ip)
                    116:        }
                    117:        else
                    118:                erase_cursor(ip)
                    119: }
                    120: 
                    121: topcat_clear(ip, sy, sx, h, w)
                    122:        struct ite_softc *ip;
                    123:        register int sy, sx, h, w;
                    124: {
                    125:        topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    126:                          sy * ip->ftheight, sx * ip->ftwidth, 
                    127:                          h  * ip->ftheight, w  * ip->ftwidth,
                    128:                          RR_CLEAR);
                    129: }
                    130: 
                    131: topcat_scroll(ip, sy, sx, count, dir)
                    132:         register struct ite_softc *ip;
                    133:         register int sy, count;
                    134:         int dir, sx;
                    135: {
                    136:        register int dy = sy - count;
                    137:        register int height = ip->rows - sy;
                    138: 
                    139:        topcat_cursor(ip, ERASE_CURSOR);
                    140: 
                    141:        topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    142:                          dy * ip->ftheight, sx * ip->ftwidth,
                    143:                          height * ip->ftheight,
                    144:                          ip->cols  * ip->ftwidth, RR_COPY);
                    145: }
                    146: 
                    147: topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
                    148:        struct ite_softc *ip;
                    149:        int sy, sx, dy, dx, h, w, func;
                    150: {
                    151:        register struct tcboxfb *rp = REGBASE;
                    152:        
                    153:        if (h == 0 || w == 0)
                    154:                return;
                    155:        tc_waitbusy(REGADDR, ip->planemask);
                    156:        rp->wmrr     = func;
                    157:        rp->source_y = sy;
                    158:        rp->source_x = sx;
                    159:        rp->dest_y   = dy;
                    160:        rp->dest_x   = dx;
                    161:        rp->wheight  = h;
                    162:        rp->wwidth   = w;
                    163:        rp->wmove    = ip->planemask;
                    164: }
                    165: #endif

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