Annotation of 43BSDReno/sys/hpdev/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 is only permitted until one year after the first shipment
                     11:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
                     12:  * binary forms are permitted provided that: (1) source distributions retain
                     13:  * this entire copyright notice and comment, and (2) distributions including
                     14:  * binaries display the following acknowledgement:  This product includes
                     15:  * software developed by the University of California, Berkeley and its
                     16:  * contributors'' in the documentation or other materials provided with the
                     17:  * distribution and in all advertising materials mentioning features or use
                     18:  * of this software.  Neither the name of the University nor the names of
                     19:  * its contributors may be used to endorse or promote products derived from
                     20:  * this software without specific prior written permission.
                     21:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     22:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     23:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     24:  *
                     25:  * from: Utah $Hdr: ite_rb.c 1.15 89/04/11$
                     26:  *
                     27:  *     @(#)ite_rb.c    7.1 (Berkeley) 5/8/90
                     28:  */
                     29: 
                     30: #include "ite.h"
                     31: #if NITE > 0
                     32: 
                     33: #include "param.h"
                     34: #include "conf.h"
                     35: #include "user.h"
                     36: #include "proc.h"
                     37: #include "ioctl.h"
                     38: #include "tty.h"
                     39: #include "systm.h"
                     40: #include "uio.h"
                     41: 
                     42: #include "itevar.h"
                     43: #include "itereg.h"
                     44: #include "grf_rbreg.h"
                     45: 
                     46: #include "machine/cpu.h"
                     47: 
                     48: /* XXX */
                     49: #include "grfioctl.h"
                     50: #include "grfvar.h"
                     51: 
                     52: #define REGBASE                ((struct rboxfb *)(ip->regbase))
                     53: #define WINDOWMOVER    rbox_windowmove
                     54: 
                     55: rbox_init(ip)
                     56:        struct ite_softc *ip;
                     57: {
                     58:        register int i;
                     59: 
                     60:        /* XXX */
                     61:        if (ip->regbase == 0) {
                     62:                struct grfinfo *gi = &grf_softc[ip - ite_softc].g_display;
                     63:                ip->regbase = IOV(gi->gd_regaddr);
                     64:                ip->fbbase = IOV(gi->gd_fbaddr);
                     65:        }
                     66: 
                     67:        rb_waitbusy(REGADDR);
                     68: 
                     69:        REGBASE->reset = 0x39;
                     70:        DELAY(1000);
                     71: 
                     72:        REGBASE->interrupt = 0x04;
                     73:        REGBASE->display_enable = 0x01;
                     74:        REGBASE->video_enable = 0x01;
                     75:        REGBASE->drive = 0x01;
                     76:        REGBASE->vdrive = 0x0;
                     77: 
                     78:        ite_devinfo(ip);
                     79:        
                     80:        REGBASE->opwen = 0xFF;
                     81: 
                     82:        /*
                     83:         * Clear the framebuffer.
                     84:         */
                     85:        rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
                     86:        rb_waitbusy(REGADDR);
                     87: 
                     88:        for(i = 0; i < 16; i++) {
                     89:                *(REGADDR + 0x63c3 + i*4) = 0x0;
                     90:                *(REGADDR + 0x6403 + i*4) = 0x0;
                     91:                *(REGADDR + 0x6803 + i*4) = 0x0;
                     92:                *(REGADDR + 0x6c03 + i*4) = 0x0;
                     93:                *(REGADDR + 0x73c3 + i*4) = 0x0;
                     94:                *(REGADDR + 0x7403 + i*4) = 0x0;
                     95:                *(REGADDR + 0x7803 + i*4) = 0x0;
                     96:                *(REGADDR + 0x7c03 + i*4) = 0x0;
                     97:        }
                     98: 
                     99:        REGBASE->rep_rule = 0x33;
                    100:        
                    101:        /*
                    102:         * I cannot figure out how to make the blink planes stop. So, we
                    103:         * must set both colormaps so that when the planes blink, and
                    104:         * the secondary colormap is active, we still get text.
                    105:         */
                    106:        CM1RED[0x00].value = 0x00;
                    107:        CM1GRN[0x00].value = 0x00;
                    108:        CM1BLU[0x00].value = 0x00;
                    109:        CM1RED[0x01].value = 0xFF;
                    110:        CM1GRN[0x01].value = 0xFF;
                    111:        CM1BLU[0x01].value = 0xFF;
                    112: 
                    113:        CM2RED[0x00].value = 0x00;
                    114:        CM2GRN[0x00].value = 0x00;
                    115:        CM2BLU[0x00].value = 0x00;
                    116:        CM2RED[0x01].value = 0xFF;
                    117:        CM2GRN[0x01].value = 0xFF;
                    118:        CM2BLU[0x01].value = 0xFF;
                    119: 
                    120:        REGBASE->blink = 0x00;
                    121:        REGBASE->write_enable = 0x01;
                    122:        REGBASE->opwen = 0x00;
                    123:        
                    124:        ite_fontinit(ip);
                    125:        
                    126:        /*
                    127:         * Stash the inverted cursor.
                    128:         */
                    129:        rbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
                    130:                            ip->cblanky, ip->cblankx, ip->ftheight,
                    131:                            ip->ftwidth, RR_COPYINVERTED);
                    132: }
                    133: 
                    134: rbox_deinit(ip)
                    135:        struct ite_softc *ip;
                    136: {
                    137:        rbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
                    138:        rb_waitbusy(REGADDR);
                    139: 
                    140:        ip->flags &= ~ITE_INITED;
                    141: }
                    142: 
                    143: rbox_putc(ip, c, dy, dx, mode)
                    144:        register struct ite_softc *ip;
                    145:         register int dy, dx;
                    146:        int c, mode;
                    147: {
                    148:         register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
                    149:        
                    150:        rbox_windowmove(ip, charY(ip, c), charX(ip, c),
                    151:                        dy * ip->ftheight, dx * ip->ftwidth,
                    152:                        ip->ftheight, ip->ftwidth, wrr);
                    153: }
                    154: 
                    155: rbox_cursor(ip, flag)
                    156:        register struct ite_softc *ip;
                    157:         register int flag;
                    158: {
                    159:        if (flag == DRAW_CURSOR)
                    160:                draw_cursor(ip)
                    161:        else if (flag == MOVE_CURSOR) {
                    162:                erase_cursor(ip)
                    163:                draw_cursor(ip)
                    164:        }
                    165:        else
                    166:                erase_cursor(ip)
                    167: }
                    168: 
                    169: rbox_clear(ip, sy, sx, h, w)
                    170:        struct ite_softc *ip;
                    171:        register int sy, sx, h, w;
                    172: {
                    173:        rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    174:                        sy * ip->ftheight, sx * ip->ftwidth, 
                    175:                        h  * ip->ftheight, w  * ip->ftwidth,
                    176:                        RR_CLEAR);
                    177: }
                    178: 
                    179: rbox_scroll(ip, sy, sx, count, dir)
                    180:         register struct ite_softc *ip;
                    181:         register int sy, count;
                    182:         int dir, sx;
                    183: {
                    184:        register int dy;
                    185:        register int dx = sx;
                    186:        register int height = 1;
                    187:        register int width = ip->cols;
                    188: 
                    189:        rbox_cursor(ip, ERASE_CURSOR);
                    190: 
                    191:        if (dir == SCROLL_UP) {
                    192:                dy = sy - count;
                    193:                height = ip->rows - sy;
                    194:        }
                    195:        else if (dir == SCROLL_DOWN) {
                    196:                dy = sy + count;
                    197:                height = ip->rows - dy - 1;
                    198:        }
                    199:        else if (dir == SCROLL_RIGHT) {
                    200:                dy = sy;
                    201:                dx = sx + count;
                    202:                width = ip->cols - dx;
                    203:        }
                    204:        else {
                    205:                dy = sy;
                    206:                dx = sx - count;
                    207:                width = ip->cols - sx;
                    208:        }               
                    209: 
                    210:        rbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
                    211:                        dy * ip->ftheight, dx * ip->ftwidth,
                    212:                        height * ip->ftheight,
                    213:                        width  * ip->ftwidth, RR_COPY);
                    214: }
                    215: 
                    216: rbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
                    217:        struct ite_softc *ip;
                    218:        int sy, sx, dy, dx, h, w, func;
                    219: {
                    220:        register struct rboxfb *rp = REGBASE;
                    221:        if (h == 0 || w == 0)
                    222:                return;
                    223:        
                    224:        rb_waitbusy(REGADDR);
                    225:        rp->rep_rule = func << 4 | func;
                    226:        rp->source_y = sy;
                    227:        rp->source_x = sx;
                    228:        rp->dest_y = dy;
                    229:        rp->dest_x = dx;
                    230:        rp->wheight = h;
                    231:        rp->wwidth  = w;
                    232:        rp->wmove = 1;
                    233: }
                    234: #endif

unix.superglobalmegacorp.com

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.