Annotation of Net2/arch/hp300/dev/ite_rb.c, revision 1.1.1.1

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

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