141488Smckusick /*
241488Smckusick * Copyright (c) 1988 University of Utah.
3*63163Sbostic * Copyright (c) 1990, 1993
4*63163Sbostic * The Regents of the University of California. All rights reserved.
541488Smckusick *
641488Smckusick * This code is derived from software contributed to Berkeley by
741488Smckusick * the Systems Programming Group of the University of Utah Computer
841488Smckusick * Science Department.
941488Smckusick *
1041488Smckusick * %sccs.include.redist.c%
1141488Smckusick *
1254073Shibler * from: Utah $Hdr: ite_dv.c 1.2 92/01/20$
1341488Smckusick *
14*63163Sbostic * @(#)ite_dv.c 8.1 (Berkeley) 06/10/93
1541488Smckusick */
1641488Smckusick
1756510Sbostic #include <hp300/stand/samachdep.h>
1841488Smckusick
1941488Smckusick #ifdef ITECONSOLE
2041488Smckusick
2156510Sbostic #include <sys/param.h>
2256510Sbostic #include <hp/dev/itevar.h>
2356510Sbostic #include <hp/dev/itereg.h>
2456510Sbostic #include <hp300/dev/grf_dvreg.h>
2541488Smckusick
2641488Smckusick #define REGBASE ((struct dvboxfb *)(ip->regbase))
2741488Smckusick #define WINDOWMOVER dvbox_windowmove
2841488Smckusick
2941488Smckusick dvbox_init(ip)
3041488Smckusick struct ite_softc *ip;
3141488Smckusick {
3241488Smckusick int i;
3341488Smckusick
3454073Shibler dv_reset(ip->regbase);
3541488Smckusick DELAY(4000);
3641488Smckusick
3741488Smckusick /*
3841488Smckusick * Turn on frame buffer, turn on overlay planes, set replacement
3941488Smckusick * rule, enable top overlay plane writes for ite, disable all frame
4041488Smckusick * buffer planes, set byte per pixel, and display frame buffer 0.
4141488Smckusick * Lastly, turn on the box.
4241488Smckusick */
4341488Smckusick REGBASE->interrupt = 0x04;
4441488Smckusick REGBASE->drive = 0x10;
4541488Smckusick REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
4641488Smckusick REGBASE->opwen = 0x01;
4741488Smckusick REGBASE->fbwen = 0x0;
4841488Smckusick REGBASE->fold = 0x01;
4941488Smckusick REGBASE->vdrive = 0x0;
5041488Smckusick REGBASE->dispen = 0x01;
5141488Smckusick
5241488Smckusick /*
5341488Smckusick * Video enable top overlay plane.
5441488Smckusick */
5541488Smckusick REGBASE->opvenp = 0x01;
5641488Smckusick REGBASE->opvens = 0x01;
5741488Smckusick
5841488Smckusick /*
5941488Smckusick * Make sure that overlay planes override frame buffer planes.
6041488Smckusick */
6141488Smckusick REGBASE->ovly0p = 0x0;
6241488Smckusick REGBASE->ovly0s = 0x0;
6341488Smckusick REGBASE->ovly1p = 0x0;
6441488Smckusick REGBASE->ovly1s = 0x0;
6541488Smckusick REGBASE->fv_trig = 0x1;
6641488Smckusick DELAY(400);
6741488Smckusick
6841488Smckusick /*
6941488Smckusick * Setup the overlay colormaps. Need to set the 0,1 (black/white)
7041488Smckusick * color for both banks.
7141488Smckusick */
7241488Smckusick
7341488Smckusick for (i = 0; i <= 1; i++) {
7441488Smckusick REGBASE->cmapbank = i;
7541488Smckusick REGBASE->rgb[0].red = 0x00;
7641488Smckusick REGBASE->rgb[0].green = 0x00;
7741488Smckusick REGBASE->rgb[0].blue = 0x00;
7841488Smckusick REGBASE->rgb[1].red = 0xFF;
7941488Smckusick REGBASE->rgb[1].green = 0xFF;
8041488Smckusick REGBASE->rgb[1].blue = 0xFF;
8141488Smckusick }
8241488Smckusick REGBASE->cmapbank = 0;
8341488Smckusick
8454073Shibler db_waitbusy(ip->regbase);
8541488Smckusick
8654073Shibler ite_fontinfo(ip);
8741488Smckusick ite_fontinit(ip);
8841488Smckusick
8941488Smckusick /*
9041488Smckusick * Clear the (visible) framebuffer.
9141488Smckusick */
9241488Smckusick dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
9354073Shibler db_waitbusy(ip->regbase);
9441488Smckusick
9541488Smckusick /*
9641488Smckusick * Stash the inverted cursor.
9741488Smckusick */
9841488Smckusick dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
9941488Smckusick ip->cblanky, ip->cblankx, ip->ftheight,
10041488Smckusick ip->ftwidth, RR_COPYINVERTED);
10154073Shibler db_waitbusy(ip->regbase);
10241488Smckusick }
10341488Smckusick
dvbox_putc(ip,c,dy,dx,mode)10441488Smckusick dvbox_putc(ip, c, dy, dx, mode)
10541488Smckusick register struct ite_softc *ip;
10641488Smckusick register int dy, dx;
10741488Smckusick int c, mode;
10841488Smckusick {
10941488Smckusick dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
11041488Smckusick dy * ip->ftheight, dx * ip->ftwidth,
11141488Smckusick ip->ftheight, ip->ftwidth, RR_COPY);
11241488Smckusick }
11341488Smckusick
dvbox_cursor(ip,flag)11441488Smckusick dvbox_cursor(ip, flag)
11541488Smckusick register struct ite_softc *ip;
11641488Smckusick register int flag;
11741488Smckusick {
11841488Smckusick if (flag == DRAW_CURSOR)
11941488Smckusick draw_cursor(ip)
12041488Smckusick else if (flag == MOVE_CURSOR) {
12141488Smckusick erase_cursor(ip)
12241488Smckusick draw_cursor(ip)
12341488Smckusick }
12441488Smckusick else
12541488Smckusick erase_cursor(ip)
12641488Smckusick }
12741488Smckusick
12841488Smckusick dvbox_clear(ip, sy, sx, h, w)
12941488Smckusick struct ite_softc *ip;
13041488Smckusick register int sy, sx, h, w;
13141488Smckusick {
13241488Smckusick dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
13341488Smckusick sy * ip->ftheight, sx * ip->ftwidth,
13441488Smckusick h * ip->ftheight, w * ip->ftwidth,
13541488Smckusick RR_CLEAR);
13641488Smckusick }
13741488Smckusick
dvbox_scroll(ip,sy,sx,count,dir)13841488Smckusick dvbox_scroll(ip, sy, sx, count, dir)
13941488Smckusick register struct ite_softc *ip;
14041488Smckusick register int sy, count;
14141488Smckusick int dir, sx;
14241488Smckusick {
14341488Smckusick register int dy = sy - count;
14441488Smckusick register int height = ip->rows - sy;
14541488Smckusick
14641488Smckusick dvbox_cursor(ip, ERASE_CURSOR);
14741488Smckusick
14841488Smckusick dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
14941488Smckusick dy * ip->ftheight, sx * ip->ftwidth,
15041488Smckusick height * ip->ftheight,
15141488Smckusick ip->cols * ip->ftwidth, RR_COPY);
15241488Smckusick }
15341488Smckusick
15441488Smckusick dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
15541488Smckusick struct ite_softc *ip;
15641488Smckusick int sy, sx, dy, dx, h, w, func;
15741488Smckusick {
15841488Smckusick register struct dvboxfb *dp = REGBASE;
15941488Smckusick if (h == 0 || w == 0)
16041488Smckusick return;
16141488Smckusick
16254073Shibler db_waitbusy(ip->regbase);
16341488Smckusick dp->rep_rule = func << 4 | func;
16441488Smckusick dp->source_y = sy;
16541488Smckusick dp->source_x = sx;
16641488Smckusick dp->dest_y = dy;
16741488Smckusick dp->dest_x = dx;
16841488Smckusick dp->wheight = h;
16941488Smckusick dp->wwidth = w;
17041488Smckusick dp->wmove = 1;
17141488Smckusick }
17241488Smckusick
dv_reset(dbp)17341488Smckusick dv_reset(dbp)
17441488Smckusick register struct dvboxfb *dbp;
17541488Smckusick {
17641488Smckusick dbp->reset = 0x80;
17741488Smckusick DELAY(400);
17841488Smckusick
17941488Smckusick dbp->interrupt = 0x04;
18041488Smckusick dbp->en_scan = 0x01;
18141488Smckusick dbp->fbwen = ~0;
18241488Smckusick dbp->opwen = ~0;
18341488Smckusick dbp->fold = 0x01;
18441488Smckusick dbp->drive = 0x01;
18541488Smckusick dbp->rep_rule = 0x33;
18641488Smckusick dbp->alt_rr = 0x33;
18741488Smckusick dbp->zrr = 0x33;
18841488Smckusick
18941488Smckusick dbp->fbvenp = 0xFF;
19041488Smckusick dbp->dispen = 0x01;
19141488Smckusick dbp->fbvens = 0x0;
19241488Smckusick dbp->fv_trig = 0x01;
19341488Smckusick DELAY(400);
19441488Smckusick dbp->vdrive = 0x0;
19541488Smckusick dbp->zconfig = 0x0;
19641488Smckusick
19741488Smckusick while (dbp->wbusy & 0x01)
19841488Smckusick DELAY(400);
19941488Smckusick
20041488Smckusick /*
20141488Smckusick * Start of missing ROM code.
20241488Smckusick */
20341488Smckusick dbp->cmapbank = 0;
20441488Smckusick
20541488Smckusick dbp->red0 = 0;
20641488Smckusick dbp->red1 = 0;
20741488Smckusick dbp->green0 = 0;
20841488Smckusick dbp->green1 = 0;
20941488Smckusick dbp->blue0 = 0;
21041488Smckusick dbp->blue1 = 0;
21141488Smckusick
21241488Smckusick dbp->panxh = 0;
21341488Smckusick dbp->panxl = 0;
21441488Smckusick dbp->panyh = 0;
21541488Smckusick dbp->panyl = 0;
21641488Smckusick dbp->zoom = 0;
21741488Smckusick dbp->cdwidth = 0x50;
21841488Smckusick dbp->chstart = 0x52;
21941488Smckusick dbp->cvwidth = 0x22;
22041488Smckusick dbp->pz_trig = 1;
22141488Smckusick /*
22241488Smckusick * End of missing ROM code.
22341488Smckusick */
22441488Smckusick }
22541488Smckusick
22641488Smckusick #endif
227