Annotation of Net2/arch/hp300/dev/ite_rb.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 $Hdr: ite_rb.c 1.16 91/01/21$
                     39:  *
1.1.1.2 ! root       40:  *     from: @(#)ite_rb.c      7.5 (Berkeley) 5/7/91
        !            41:  *     ite_rb.c,v 1.2 1993/05/22 07:56:30 cgd Exp
1.1       root       42:  */
                     43: 
                     44: #include "ite.h"
                     45: #if NITE > 0
                     46: 
                     47: #include "param.h"
                     48: #include "conf.h"
                     49: #include "proc.h"
                     50: #include "ioctl.h"
                     51: #include "tty.h"
                     52: #include "systm.h"
                     53: 
                     54: #include "itevar.h"
                     55: #include "itereg.h"
                     56: #include "grf_rbreg.h"
                     57: 
                     58: #include "machine/cpu.h"
                     59: 
                     60: /* XXX */
                     61: #include "grfioctl.h"
                     62: #include "grfvar.h"
                     63: 
                     64: #define REGBASE                ((struct rboxfb *)(ip->regbase))
                     65: #define WINDOWMOVER    rbox_windowmove
                     66: 
                     67: rbox_init(ip)
                     68:        struct ite_softc *ip;
                     69: {
                     70:        register int i;
                     71: 
                     72:        /* XXX */
                     73:        if (ip->regbase == 0) {
                     74:                struct grf_softc *gp = &grf_softc[ip - ite_softc];
                     75:                ip->regbase = gp->g_regkva;
                     76:                ip->fbbase = gp->g_fbkva;
                     77:        }
                     78: 
                     79:        rb_waitbusy(REGADDR);
                     80: 
                     81:        REGBASE->reset = 0x39;
                     82:        DELAY(1000);
                     83: 
                     84:        REGBASE->interrupt = 0x04;
                     85:        REGBASE->display_enable = 0x01;
                     86:        REGBASE->video_enable = 0x01;
                     87:        REGBASE->drive = 0x01;
                     88:        REGBASE->vdrive = 0x0;
                     89: 
                     90:        ite_devinfo(ip);
                     91:        
                     92:        REGBASE->opwen = 0xFF;
                     93: 
                     94:        /*
                     95:         * Clear the framebuffer.
                     96:         */
                     97:        rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
                     98:        rb_waitbusy(REGADDR);
                     99: 
                    100:        for(i = 0; i < 16; i++) {
                    101:                *(REGADDR + 0x63c3 + i*4) = 0x0;
                    102:                *(REGADDR + 0x6403 + i*4) = 0x0;
                    103:                *(REGADDR + 0x6803 + i*4) = 0x0;
                    104:                *(REGADDR + 0x6c03 + i*4) = 0x0;
                    105:                *(REGADDR + 0x73c3 + i*4) = 0x0;
                    106:                *(REGADDR + 0x7403 + i*4) = 0x0;
                    107:                *(REGADDR + 0x7803 + i*4) = 0x0;
                    108:                *(REGADDR + 0x7c03 + i*4) = 0x0;
                    109:        }
                    110: 
                    111:        REGBASE->rep_rule = 0x33;
                    112:        
                    113:        /*
                    114:         * I cannot figure out how to make the blink planes stop. So, we
                    115:         * must set both colormaps so that when the planes blink, and
                    116:         * the secondary colormap is active, we still get text.
                    117:         */
                    118:        CM1RED[0x00].value = 0x00;
                    119:        CM1GRN[0x00].value = 0x00;
                    120:        CM1BLU[0x00].value = 0x00;
                    121:        CM1RED[0x01].value = 0xFF;
                    122:        CM1GRN[0x01].value = 0xFF;
                    123:        CM1BLU[0x01].value = 0xFF;
                    124: 
                    125:        CM2RED[0x00].value = 0x00;
                    126:        CM2GRN[0x00].value = 0x00;
                    127:        CM2BLU[0x00].value = 0x00;
                    128:        CM2RED[0x01].value = 0xFF;
                    129:        CM2GRN[0x01].value = 0xFF;
                    130:        CM2BLU[0x01].value = 0xFF;
                    131: 
                    132:        REGBASE->blink = 0x00;
                    133:        REGBASE->write_enable = 0x01;
                    134:        REGBASE->opwen = 0x00;
                    135:        
                    136:        ite_fontinit(ip);
                    137:        
                    138:        /*
                    139:         * Stash the inverted cursor.
                    140:         */
                    141:        rbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
                    142:                            ip->cblanky, ip->cblankx, ip->ftheight,
                    143:                            ip->ftwidth, RR_COPYINVERTED);
                    144: }
                    145: 
                    146: rbox_deinit(ip)
                    147:        struct ite_softc *ip;
                    148: {
                    149:        rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
                    150:        rb_waitbusy(REGADDR);
                    151: 
                    152:        ip->flags &= ~ITE_INITED;
                    153: }
                    154: 
                    155: rbox_putc(ip, c, dy, dx, mode)
                    156:        register struct ite_softc *ip;
                    157:         register int dy, dx;
                    158:        int c, mode;
                    159: {
                    160:         register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
                    161:        
                    162:        rbox_windowmove(ip, charY(ip, c), charX(ip, c),
                    163:                        dy * ip->ftheight, dx * ip->ftwidth,
                    164:                        ip->ftheight, ip->ftwidth, wrr);
                    165: }
                    166: 
                    167: rbox_cursor(ip, flag)
                    168:        register struct ite_softc *ip;
                    169:         register int flag;
                    170: {
                    171:        if (flag == DRAW_CURSOR)
                    172:                draw_cursor(ip)
                    173:        else if (flag == MOVE_CURSOR) {
                    174:                erase_cursor(ip)
                    175:                draw_cursor(ip)
                    176:        }
                    177:        else
                    178:                erase_cursor(ip)
                    179: }
                    180: 
                    181: rbox_clear(ip, sy, sx, h, w)
                    182:        struct ite_softc *ip;
                    183:        register int sy, sx, h, w;
                    184: {
                    185:        rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    186:                        sy * ip->ftheight, sx * ip->ftwidth, 
                    187:                        h  * ip->ftheight, w  * ip->ftwidth,
                    188:                        RR_CLEAR);
                    189: }
                    190: 
                    191: rbox_scroll(ip, sy, sx, count, dir)
                    192:         register struct ite_softc *ip;
                    193:         register int sy, count;
                    194:         int dir, sx;
                    195: {
                    196:        register int dy;
                    197:        register int dx = sx;
                    198:        register int height = 1;
                    199:        register int width = ip->cols;
                    200: 
                    201:        rbox_cursor(ip, ERASE_CURSOR);
                    202: 
                    203:        if (dir == SCROLL_UP) {
                    204:                dy = sy - count;
                    205:                height = ip->rows - sy;
                    206:        }
                    207:        else if (dir == SCROLL_DOWN) {
                    208:                dy = sy + count;
                    209:                height = ip->rows - dy - 1;
                    210:        }
                    211:        else if (dir == SCROLL_RIGHT) {
                    212:                dy = sy;
                    213:                dx = sx + count;
                    214:                width = ip->cols - dx;
                    215:        }
                    216:        else {
                    217:                dy = sy;
                    218:                dx = sx - count;
                    219:                width = ip->cols - sx;
                    220:        }               
                    221: 
                    222:        rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    223:                        dy * ip->ftheight, dx * ip->ftwidth,
                    224:                        height * ip->ftheight,
                    225:                        width  * ip->ftwidth, RR_COPY);
                    226: }
                    227: 
                    228: rbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
                    229:        struct ite_softc *ip;
                    230:        int sy, sx, dy, dx, h, w, func;
                    231: {
                    232:        register struct rboxfb *rp = REGBASE;
                    233:        if (h == 0 || w == 0)
                    234:                return;
                    235:        
                    236:        rb_waitbusy(REGADDR);
                    237:        rp->rep_rule = func << 4 | func;
                    238:        rp->source_y = sy;
                    239:        rp->source_x = sx;
                    240:        rp->dest_y = dy;
                    241:        rp->dest_x = dx;
                    242:        rp->wheight = h;
                    243:        rp->wwidth  = w;
                    244:        rp->wmove = 1;
                    245: }
                    246: #endif

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