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Annotation of 43BSDReno/sys/hpstand/ite_dv.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 $Hdr: ite_dv.c 1.1 89/02/28$
        !            26:  *
        !            27:  *     @(#)ite_dv.c    7.1 (Berkeley) 5/8/90
        !            28:  */
        !            29: 
        !            30: #include "samachdep.h"
        !            31: 
        !            32: #ifdef ITECONSOLE
        !            33: 
        !            34: #include "param.h"
        !            35: #include "../hpdev/itevar.h"
        !            36: #include "../hpdev/itereg.h"
        !            37: #include "../hpdev/grfvar.h"
        !            38: #include "../hpdev/grf_dvreg.h"
        !            39: 
        !            40: #define REGBASE                ((struct dvboxfb *)(ip->regbase))
        !            41: #define WINDOWMOVER    dvbox_windowmove
        !            42: 
        !            43: dvbox_init(ip)
        !            44:        struct ite_softc *ip;
        !            45: {
        !            46:        int i;
        !            47:        
        !            48:        dv_reset(REGADDR);
        !            49:        DELAY(4000);
        !            50: 
        !            51:        /*
        !            52:         * Turn on frame buffer, turn on overlay planes, set replacement
        !            53:         * rule, enable top overlay plane writes for ite, disable all frame
        !            54:         * buffer planes, set byte per pixel, and display frame buffer 0.
        !            55:         * Lastly, turn on the box.
        !            56:         */
        !            57:        REGBASE->interrupt = 0x04;
        !            58:        REGBASE->drive     = 0x10;              
        !            59:        REGBASE->rep_rule  = RR_COPY << 4 | RR_COPY;
        !            60:        REGBASE->opwen     = 0x01;
        !            61:        REGBASE->fbwen     = 0x0;
        !            62:        REGBASE->fold      = 0x01;
        !            63:        REGBASE->vdrive    = 0x0;
        !            64:        REGBASE->dispen    = 0x01;
        !            65: 
        !            66:        /*
        !            67:         * Video enable top overlay plane.
        !            68:         */
        !            69:        REGBASE->opvenp = 0x01;
        !            70:        REGBASE->opvens = 0x01;
        !            71: 
        !            72:        /*
        !            73:         * Make sure that overlay planes override frame buffer planes.
        !            74:         */
        !            75:        REGBASE->ovly0p  = 0x0;
        !            76:        REGBASE->ovly0s  = 0x0;
        !            77:        REGBASE->ovly1p  = 0x0;
        !            78:        REGBASE->ovly1s  = 0x0;
        !            79:        REGBASE->fv_trig = 0x1;
        !            80:        DELAY(400);
        !            81: 
        !            82:        /*
        !            83:         * Setup the overlay colormaps. Need to set the 0,1 (black/white)
        !            84:         * color for both banks.
        !            85:         */
        !            86: 
        !            87:        for (i = 0; i <= 1; i++) {
        !            88:                REGBASE->cmapbank = i;
        !            89:                REGBASE->rgb[0].red   = 0x00;
        !            90:                REGBASE->rgb[0].green = 0x00;
        !            91:                REGBASE->rgb[0].blue  = 0x00;
        !            92:                REGBASE->rgb[1].red   = 0xFF;
        !            93:                REGBASE->rgb[1].green = 0xFF;
        !            94:                REGBASE->rgb[1].blue  = 0xFF;
        !            95:        }
        !            96:        REGBASE->cmapbank = 0;
        !            97:        
        !            98:        db_waitbusy(REGADDR);
        !            99: 
        !           100:        ite_devinfo(ip);
        !           101:        ite_fontinit(ip);
        !           102: 
        !           103:        /*
        !           104:         * Clear the (visible) framebuffer.
        !           105:         */
        !           106:        dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
        !           107:        db_waitbusy(REGADDR);
        !           108: 
        !           109:        /*
        !           110:         * Stash the inverted cursor.
        !           111:         */
        !           112:        dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
        !           113:                         ip->cblanky, ip->cblankx, ip->ftheight,
        !           114:                         ip->ftwidth, RR_COPYINVERTED);
        !           115:        db_waitbusy(REGADDR);
        !           116: }
        !           117: 
        !           118: dvbox_putc(ip, c, dy, dx, mode)
        !           119:        register struct ite_softc *ip;
        !           120:         register int dy, dx;
        !           121:        int c, mode;
        !           122: {
        !           123:        dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
        !           124:                         dy * ip->ftheight, dx * ip->ftwidth,
        !           125:                         ip->ftheight, ip->ftwidth, RR_COPY);
        !           126: }
        !           127: 
        !           128: dvbox_cursor(ip, flag)
        !           129:        register struct ite_softc *ip;
        !           130:         register int flag;
        !           131: {
        !           132:        if (flag == DRAW_CURSOR)
        !           133:                draw_cursor(ip)
        !           134:        else if (flag == MOVE_CURSOR) {
        !           135:                erase_cursor(ip)
        !           136:                draw_cursor(ip)
        !           137:        }
        !           138:        else
        !           139:                erase_cursor(ip)
        !           140: }
        !           141: 
        !           142: dvbox_clear(ip, sy, sx, h, w)
        !           143:        struct ite_softc *ip;
        !           144:        register int sy, sx, h, w;
        !           145: {
        !           146:        dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           147:                         sy * ip->ftheight, sx * ip->ftwidth, 
        !           148:                         h  * ip->ftheight, w  * ip->ftwidth,
        !           149:                         RR_CLEAR);
        !           150: }
        !           151: 
        !           152: dvbox_scroll(ip, sy, sx, count, dir)
        !           153:         register struct ite_softc *ip;
        !           154:         register int sy, count;
        !           155:         int dir, sx;
        !           156: {
        !           157:        register int dy = sy - count;
        !           158:        register int height = ip->rows - sy;
        !           159: 
        !           160:        dvbox_cursor(ip, ERASE_CURSOR);
        !           161: 
        !           162:        dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
        !           163:                         dy * ip->ftheight, sx * ip->ftwidth,
        !           164:                         height * ip->ftheight,
        !           165:                         ip->cols * ip->ftwidth, RR_COPY);
        !           166: }
        !           167: 
        !           168: dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
        !           169:        struct ite_softc *ip;
        !           170:        int sy, sx, dy, dx, h, w, func;
        !           171: {
        !           172:        register struct dvboxfb *dp = REGBASE;
        !           173:        if (h == 0 || w == 0)
        !           174:                return;
        !           175:        
        !           176:        db_waitbusy(REGADDR);
        !           177:        dp->rep_rule = func << 4 | func;
        !           178:        dp->source_y = sy;
        !           179:        dp->source_x = sx;
        !           180:        dp->dest_y   = dy;
        !           181:        dp->dest_x   = dx;
        !           182:        dp->wheight  = h;
        !           183:        dp->wwidth   = w;
        !           184:        dp->wmove    = 1;
        !           185: }
        !           186: 
        !           187: dv_reset(dbp)
        !           188:        register struct dvboxfb *dbp;
        !           189: {
        !           190:        dbp->reset = 0x80;
        !           191:        DELAY(400);
        !           192: 
        !           193:        dbp->interrupt = 0x04;
        !           194:        dbp->en_scan   = 0x01;
        !           195:        dbp->fbwen     = ~0;
        !           196:        dbp->opwen     = ~0;
        !           197:        dbp->fold      = 0x01;
        !           198:        dbp->drive     = 0x01;
        !           199:        dbp->rep_rule  = 0x33;
        !           200:        dbp->alt_rr    = 0x33;
        !           201:        dbp->zrr       = 0x33;
        !           202: 
        !           203:        dbp->fbvenp    = 0xFF;
        !           204:        dbp->dispen    = 0x01;
        !           205:        dbp->fbvens    = 0x0;
        !           206:        dbp->fv_trig   = 0x01;
        !           207:        DELAY(400);
        !           208:        dbp->vdrive    = 0x0;
        !           209:        dbp->zconfig   = 0x0;
        !           210: 
        !           211:        while (dbp->wbusy & 0x01)
        !           212:          DELAY(400);
        !           213: 
        !           214:        /*
        !           215:         * Start of missing ROM code.
        !           216:         */
        !           217:        dbp->cmapbank = 0;
        !           218: 
        !           219:        dbp->red0   = 0;
        !           220:        dbp->red1   = 0;
        !           221:        dbp->green0 = 0;
        !           222:        dbp->green1 = 0;
        !           223:        dbp->blue0  = 0;
        !           224:        dbp->blue1  = 0;
        !           225: 
        !           226:        dbp->panxh   = 0;
        !           227:        dbp->panxl   = 0;
        !           228:        dbp->panyh   = 0;
        !           229:        dbp->panyl   = 0;
        !           230:        dbp->zoom    = 0;
        !           231:        dbp->cdwidth = 0x50;
        !           232:        dbp->chstart = 0x52;
        !           233:        dbp->cvwidth = 0x22;
        !           234:        dbp->pz_trig = 1;
        !           235:        /*
        !           236:         * End of missing ROM code.
        !           237:         */
        !           238: }
        !           239: 
        !           240: #endif

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