sys/arch/hp300/stand/common/ite_tc.c

   1 /*      $NetBSD: ite_tc.c,v 1.5 2005/12/11 12:17:19 christos Exp $      */
   2
   3 /*
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * the Systems Programming Group of the University of Utah Computer
   9  * Science Department.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * from: Utah $Hdr: ite_tc.c 1.11 92/01/20$
  36  *
  37  *      @(#)ite_tc.c    8.1 (Berkeley) 6/10/93
  38  */
  39 /*
  40  * Copyright (c) 1988 University of Utah.
  41  *
  42  * This code is derived from software contributed to Berkeley by
  43  * the Systems Programming Group of the University of Utah Computer
  44  * Science Department.
  45  *
  46  * Redistribution and use in source and binary forms, with or without
  47  * modification, are permitted provided that the following conditions
  48  * are met:
  49  * 1. Redistributions of source code must retain the above copyright
  50  *    notice, this list of conditions and the following disclaimer.
  51  * 2. Redistributions in binary form must reproduce the above copyright
  52  *    notice, this list of conditions and the following disclaimer in the
  53  *    documentation and/or other materials provided with the distribution.
  54  * 3. All advertising materials mentioning features or use of this software
  55  *    must display the following acknowledgement:
  56  *      This product includes software developed by the University of
  57  *      California, Berkeley and its contributors.
  58  * 4. Neither the name of the University nor the names of its contributors
  59  *    may be used to endorse or promote products derived from this software
  60  *    without specific prior written permission.
  61  *
  62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  72  * SUCH DAMAGE.
  73  *
  74  * from: Utah $Hdr: ite_tc.c 1.11 92/01/20$
  75  *
  76  *      @(#)ite_tc.c    8.1 (Berkeley) 6/10/93
  77  */
  78
  79 #ifdef ITECONSOLE
  80
  81 #include <sys/param.h>
  82
  83 #include <hp300/dev/itereg.h>
  84 #include <hp300/dev/grfreg.h>
  85 #include <hp300/dev/grf_tcreg.h>
  86
  87 #include <hp300/stand/common/samachdep.h>
  88 #include <hp300/stand/common/itevar.h>
  89
  90 #define WINDOWMOVER     topcat_windowmove
  91
  92 void topcat_windowmove(struct ite_data *, int, int, int, int, int, int, int);
  93
  94 void
  95 topcat_init(struct ite_data *ip)
  96 {
  97         struct tcboxfb *regbase = (void *)ip->regbase;
  98
  99         /*
 100          * Catseye looks a lot like a topcat, but not completely.
 101          * So, we set some bits to make it work.
 102          */
 103         if (regbase->fbid != GID_TOPCAT) {
 104                 while ((regbase->catseye_status & 1))
 105                         ;
 106                 regbase->catseye_status = 0x0;
 107                 regbase->vb_select      = 0x0;
 108                 regbase->tcntrl         = 0x0;
 109                 regbase->acntrl         = 0x0;
 110                 regbase->pncntrl        = 0x0;
 111                 regbase->rug_cmdstat    = 0x90;
 112         }
 113
 114         /*
 115          * Determine the number of planes by writing to the first frame
 116          * buffer display location, then reading it back.
 117          */
 118         regbase->wen = ~0;
 119         regbase->fben = ~0;
 120         regbase->prr = RR_COPY;
 121         *FBBASE = 0xFF;
 122         ip->planemask = *FBBASE;
 123
 124         /*
 125          * Enable reading/writing of all the planes.
 126          */
 127         regbase->fben = ip->planemask;
 128         regbase->wen  = ip->planemask;
 129         regbase->ren  = ip->planemask;
 130         regbase->prr  = RR_COPY;
 131
 132         ite_fontinfo(ip);
 133
 134         /*
 135          * Clear the framebuffer on all planes.
 136          */
 137         topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
 138         tc_waitbusy(regbase, ip->planemask);
 139
 140         ite_fontinit(ip);
 141
 142         /*
 143          * Stash the inverted cursor.
 144          */
 145         topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
 146                           ip->cblanky, ip->cblankx, ip->ftheight,
 147                           ip->ftwidth, RR_COPYINVERTED);
 148 }
 149
 150 void
 151 topcat_putc(struct ite_data *ip, int c, int dy, int dx, int mode)
 152 {
 153
 154         topcat_windowmove(ip, charY(ip, c), charX(ip, c),
 155                           dy * ip->ftheight, dx * ip->ftwidth,
 156                           ip->ftheight, ip->ftwidth, RR_COPY);
 157 }
 158
 159 void
 160 topcat_cursor(struct ite_data *ip, int flag)
 161 {
 162
 163         if (flag == DRAW_CURSOR)
 164                 draw_cursor(ip)
 165         else if (flag == MOVE_CURSOR) {
 166                 erase_cursor(ip)
 167                 draw_cursor(ip)
 168         } else
 169                 erase_cursor(ip)
 170 }
 171
 172 void
 173 topcat_clear(struct ite_data *ip, int sy, int sx, int h, int w)
 174 {
 175
 176         topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
 177                           sy * ip->ftheight, sx * ip->ftwidth,
 178                           h  * ip->ftheight, w  * ip->ftwidth,
 179                           RR_CLEAR);
 180 }
 181
 182 void
 183 topcat_scroll(struct ite_data *ip, int sy, int sx, int count, int dir)
 184 {
 185         int dy = sy - count;
 186         int height = ip->rows - sy;
 187
 188         topcat_cursor(ip, ERASE_CURSOR);
 189
 190         topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
 191                           dy * ip->ftheight, sx * ip->ftwidth,
 192                           height * ip->ftheight,
 193                           ip->cols  * ip->ftwidth, RR_COPY);
 194 }
 195
 196 void
 197 topcat_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx,
 198     int h, int w, int func)
 199 {
 200         struct tcboxfb *rp = (void *)ip->regbase;
 201
 202         if (h == 0 || w == 0)
 203                 return;
 204         tc_waitbusy(rp, ip->planemask);
 205         rp->wmrr     = func;
 206         rp->source_y = sy;
 207         rp->source_x = sx;
 208         rp->dest_y   = dy;
 209         rp->dest_x   = dx;
 210         rp->wheight  = h;
 211         rp->wwidth   = w;
 212         rp->wmove    = ip->planemask;
 213 }
 214 #endif