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Annotation of 43BSDReno/sys/hpdev/ite_rb.c, revision 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

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