Annotation of 43BSDReno/sys/hpdev/ite_tc.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 $Hdr: ite_tc.c 1.22 89/04/11$
        !            26:  *
        !            27:  *     @(#)ite_tc.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 "grf_tcreg.h"
        !            43: #include "itereg.h"
        !            44: #include "itevar.h"
        !            45: 
        !            46: #include "machine/cpu.h"
        !            47: 
        !            48: #define REGBASE                ((struct tcboxfb *)(ip->regbase))
        !            49: #define WINDOWMOVER    topcat_windowmove
        !            50: 
        !            51: /* XXX */
        !            52: #include "grfioctl.h"
        !            53: #include "grfvar.h"
        !            54: 
        !            55: topcat_init(ip)
        !            56:        register struct ite_softc *ip;
        !            57: {
        !            58:        /* XXX */
        !            59:        if (ip->regbase == NULL) {
        !            60:                struct grfinfo *gi = &grf_softc[ip - ite_softc].g_display;
        !            61:                ip->regbase = IOV(gi->gd_regaddr);
        !            62:                ip->fbbase = IOV(gi->gd_fbaddr);
        !            63:        }
        !            64: 
        !            65:        /*
        !            66:         * Determine the number of planes by writing to the first frame
        !            67:         * buffer display location, then reading it back. 
        !            68:         */
        !            69:        REGBASE->wen = ~0;
        !            70:        REGBASE->fben = ~0;
        !            71:        REGBASE->prr = RR_COPY;
        !            72:        *FBBASE = 0xFF;
        !            73:        ip->planemask = *FBBASE;
        !            74: 
        !            75:        /*
        !            76:         * Enable reading/writing of all the planes.
        !            77:         */
        !            78:        REGBASE->fben = ip->planemask;
        !            79:        REGBASE->wen  = ip->planemask;
        !            80:        REGBASE->ren  = ip->planemask;
        !            81:        REGBASE->prr  = RR_COPY;
        !            82: 
        !            83:        ite_devinfo(ip);
        !            84: 
        !            85:        /*
        !            86:         * Clear the framebuffer on all planes.
        !            87:         */
        !            88:        topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
        !            89:        tc_waitbusy(REGADDR, ip->planemask);
        !            90: 
        !            91:        ite_fontinit(ip);
        !            92: 
        !            93:        /*
        !            94:         * Initialize color map for color displays
        !            95:         */
        !            96:        if (ip->planemask != 1) {
        !            97:                tc_waitbusy(REGADDR, ip->planemask);
        !            98:                REGBASE->nblank = 0x01;
        !            99: 
        !           100:                tccm_waitbusy(REGADDR);
        !           101:                REGBASE->rdata  = 0x0;
        !           102:                REGBASE->gdata  = 0x0;
        !           103:                REGBASE->bdata  = 0x0;
        !           104:                REGBASE->cindex = 0xFF;
        !           105:                REGBASE->strobe = 0xFF;
        !           106: 
        !           107:                DELAY(100);
        !           108:                tccm_waitbusy(REGADDR);
        !           109:                REGBASE->rdata  = 0x0;
        !           110:                REGBASE->gdata  = 0x0;
        !           111:                REGBASE->bdata  = 0x0;
        !           112:                REGBASE->cindex = 0x0;
        !           113: 
        !           114:                DELAY(100);
        !           115:                tccm_waitbusy(REGADDR);
        !           116:                REGBASE->rdata  = 0xFF;
        !           117:                REGBASE->gdata  = 0xFF;
        !           118:                REGBASE->bdata  = 0xFF;
        !           119:                REGBASE->cindex = 0xFE;
        !           120:                REGBASE->strobe = 0xFF;
        !           121: 
        !           122:                DELAY(100);
        !           123:                tccm_waitbusy(REGADDR);
        !           124:                REGBASE->rdata  = 0x0;
        !           125:                REGBASE->gdata  = 0x0;
        !           126:                REGBASE->bdata  = 0x0;
        !           127:                REGBASE->cindex = 0x0;
        !           128:        }
        !           129: 
        !           130:        /*
        !           131:         * Stash the inverted cursor.
        !           132:         */
        !           133:        topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
        !           134:                          ip->cblanky, ip->cblankx, ip->ftheight,
        !           135:                          ip->ftwidth, RR_COPYINVERTED);
        !           136: }
        !           137: 
        !           138: topcat_deinit(ip)
        !           139:        register struct ite_softc *ip;
        !           140: {
        !           141:        topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
        !           142:        tc_waitbusy(REGADDR, ip->planemask);
        !           143: 
        !           144:        REGBASE->nblank = ~0;
        !           145:        ip->flags &= ~ITE_INITED;
        !           146: }
        !           147: 
        !           148: topcat_putc(ip, c, dy, dx, mode)
        !           149:        register struct ite_softc *ip;
        !           150:        int c, dy, dx, mode;
        !           151: {
        !           152:         int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
        !           153:        
        !           154:        topcat_windowmove(ip, charY(ip, c), charX(ip, c),
        !           155:                          dy * ip->ftheight, dx * ip->ftwidth,
        !           156:                          ip->ftheight, ip->ftwidth, wmrr);
        !           157: }
        !           158: 
        !           159: topcat_cursor(ip, flag)
        !           160:        register struct ite_softc *ip;
        !           161:        register int flag;
        !           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:        }
        !           169:        else
        !           170:                erase_cursor(ip)
        !           171: }
        !           172: 
        !           173: topcat_clear(ip, sy, sx, h, w)
        !           174:        register struct ite_softc *ip;
        !           175:        register int sy, sx, h, w;
        !           176: {
        !           177:        topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           178:                          sy * ip->ftheight, sx * ip->ftwidth, 
        !           179:                          h  * ip->ftheight, w  * ip->ftwidth,
        !           180:                          RR_CLEAR);
        !           181: }
        !           182: 
        !           183: topcat_scroll(ip, sy, sx, count, dir)
        !           184:         register struct ite_softc *ip;
        !           185:         register int sy, count;
        !           186:         int dir, sx;
        !           187: {
        !           188:        register int dy;
        !           189:        register int dx = sx;
        !           190:        register int height = 1;
        !           191:        register int width = ip->cols;
        !           192: 
        !           193:        topcat_cursor(ip, ERASE_CURSOR);
        !           194: 
        !           195:        if (dir == SCROLL_UP) {
        !           196:                dy = sy - count;
        !           197:                height = ip->rows - sy;
        !           198:        }
        !           199:        else if (dir == SCROLL_DOWN) {
        !           200:                dy = sy + count;
        !           201:                height = ip->rows - dy - 1;
        !           202:        }
        !           203:        else if (dir == SCROLL_RIGHT) {
        !           204:                dy = sy;
        !           205:                dx = sx + count;
        !           206:                width = ip->cols - dx;
        !           207:        }
        !           208:        else {
        !           209:                dy = sy;
        !           210:                dx = sx - count;
        !           211:                width = ip->cols - sx;
        !           212:        }               
        !           213: 
        !           214:        topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           215:                          dy * ip->ftheight, dx * ip->ftwidth,
        !           216:                          height * ip->ftheight,
        !           217:                          width  * ip->ftwidth, RR_COPY);
        !           218: }
        !           219: 
        !           220: topcat_windowmove(ip, sy, sx, dy, dx, h, w, func)
        !           221:        struct ite_softc *ip;
        !           222:        int sy, sx, dy, dx, h, w, func;
        !           223: {
        !           224:        register struct tcboxfb *rp = REGBASE;
        !           225:        
        !           226:        if (h == 0 || w == 0)
        !           227:                return;
        !           228:        tc_waitbusy(REGADDR, ip->planemask);
        !           229:        rp->wmrr     = func;
        !           230:        rp->source_y = sy;
        !           231:        rp->source_x = sx;
        !           232:        rp->dest_y   = dy;
        !           233:        rp->dest_x   = dx;
        !           234:        rp->wheight  = h;
        !           235:        rp->wwidth   = w;
        !           236:        rp->wmove    = ip->planemask;
        !           237: }
        !           238: #endif

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