141480Smckusick /*
241480Smckusick * Copyright (c) 1988 University of Utah.
3*63731Sbostic * Copyright (c) 1990, 1993
4*63731Sbostic * The Regents of the University of California. All rights reserved.
541480Smckusick *
641480Smckusick * This code is derived from software contributed to Berkeley by
741480Smckusick * the Systems Programming Group of the University of Utah Computer
841480Smckusick * Science Department.
941480Smckusick *
1041480Smckusick * %sccs.include.redist.c%
1141480Smckusick *
1263728Shibler * from: Utah $Hdr: ite_dv.c 1.10 93/06/25$
1341480Smckusick *
14*63731Sbostic * @(#)ite_dv.c 8.1 (Berkeley) 07/08/93
1541480Smckusick */
1641480Smckusick
1741480Smckusick #include "ite.h"
1841480Smckusick #if NITE > 0
1941480Smckusick
2056507Sbostic #include <sys/param.h>
2156507Sbostic #include <sys/conf.h>
2256507Sbostic #include <sys/proc.h>
2356507Sbostic #include <sys/ioctl.h>
2456507Sbostic #include <sys/tty.h>
2556507Sbostic #include <sys/systm.h>
2641480Smckusick
2756507Sbostic #include <hp/dev/itevar.h>
2856507Sbostic #include <hp/dev/itereg.h>
2956507Sbostic #include <hp300/dev/grf_dvreg.h>
3041480Smckusick
3156507Sbostic #include <machine/cpu.h>
3241480Smckusick
3341480Smckusick /* XXX */
3456507Sbostic #include <hp/dev/grfioctl.h>
3556507Sbostic #include <hp/dev/grfvar.h>
3641480Smckusick
3741480Smckusick #define REGBASE ((struct dvboxfb *)(ip->regbase))
3841480Smckusick #define WINDOWMOVER dvbox_windowmove
3941480Smckusick
dvbox_init(ip)4041480Smckusick dvbox_init(ip)
4153929Shibler register struct ite_softc *ip;
4241480Smckusick {
4341480Smckusick int i;
4441480Smckusick
4541480Smckusick /* XXX */
4641480Smckusick if (ip->regbase == 0) {
4753929Shibler struct grf_softc *gp = ip->grf;
4853929Shibler
4949312Shibler ip->regbase = gp->g_regkva;
5049312Shibler ip->fbbase = gp->g_fbkva;
5153929Shibler ip->fbwidth = gp->g_display.gd_fbwidth;
5253929Shibler ip->fbheight = gp->g_display.gd_fbheight;
5353929Shibler ip->dwidth = gp->g_display.gd_dwidth;
5453929Shibler ip->dheight = gp->g_display.gd_dheight;
5563728Shibler /*
5663728Shibler * XXX some displays (e.g. the davinci) appear
5763728Shibler * to return a display height greater than the
5863728Shibler * returned FB height. Guess we should go back
5963728Shibler * to getting the display dimensions from the
6063728Shibler * fontrom...
6163728Shibler */
6263728Shibler if (ip->dwidth > ip->fbwidth)
6363728Shibler ip->dwidth = ip->fbwidth;
6463728Shibler if (ip->dheight > ip->fbheight)
6563728Shibler ip->dheight = ip->fbheight;
6641480Smckusick }
6741480Smckusick
6853929Shibler dv_reset(ip->regbase);
6941480Smckusick
7041480Smckusick /*
7141480Smckusick * Turn on frame buffer, turn on overlay planes, set replacement
7241480Smckusick * rule, enable top overlay plane writes for ite, disable all frame
7341480Smckusick * buffer planes, set byte per pixel, and display frame buffer 0.
7441480Smckusick * Lastly, turn on the box.
7541480Smckusick */
7641480Smckusick REGBASE->interrupt = 0x04;
7741480Smckusick REGBASE->drive = 0x10;
7841480Smckusick REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
7941480Smckusick REGBASE->opwen = 0x01;
8041480Smckusick REGBASE->fbwen = 0x0;
8141480Smckusick REGBASE->fold = 0x01;
8241480Smckusick REGBASE->vdrive = 0x0;
8341480Smckusick REGBASE->dispen = 0x01;
8441480Smckusick
8541480Smckusick /*
8641480Smckusick * Video enable top overlay plane.
8741480Smckusick */
8841480Smckusick REGBASE->opvenp = 0x01;
8941480Smckusick REGBASE->opvens = 0x01;
9041480Smckusick
9141480Smckusick /*
9241480Smckusick * Make sure that overlay planes override frame buffer planes.
9341480Smckusick */
9441480Smckusick REGBASE->ovly0p = 0x0;
9541480Smckusick REGBASE->ovly0s = 0x0;
9641480Smckusick REGBASE->ovly1p = 0x0;
9741480Smckusick REGBASE->ovly1s = 0x0;
9841480Smckusick REGBASE->fv_trig = 0x1;
9941480Smckusick DELAY(100);
10041480Smckusick
10141480Smckusick /*
10241480Smckusick * Setup the overlay colormaps. Need to set the 0,1 (black/white)
10341480Smckusick * color for both banks.
10441480Smckusick */
10541480Smckusick
10641480Smckusick for (i = 0; i <= 1; i++) {
10741480Smckusick REGBASE->cmapbank = i;
10841480Smckusick REGBASE->rgb[0].red = 0x00;
10941480Smckusick REGBASE->rgb[0].green = 0x00;
11041480Smckusick REGBASE->rgb[0].blue = 0x00;
11141480Smckusick REGBASE->rgb[1].red = 0xFF;
11241480Smckusick REGBASE->rgb[1].green = 0xFF;
11341480Smckusick REGBASE->rgb[1].blue = 0xFF;
11441480Smckusick }
11541480Smckusick REGBASE->cmapbank = 0;
11641480Smckusick
11753929Shibler db_waitbusy(ip->regbase);
11841480Smckusick
11953929Shibler ite_fontinfo(ip);
12041480Smckusick ite_fontinit(ip);
12141480Smckusick
12241480Smckusick /*
12341480Smckusick * Clear the (visible) framebuffer.
12441480Smckusick */
12541480Smckusick dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
12653929Shibler db_waitbusy(ip->regbase);
12741480Smckusick
12841480Smckusick /*
12941480Smckusick * Stash the inverted cursor.
13041480Smckusick */
13141480Smckusick dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
13241480Smckusick ip->cblanky, ip->cblankx, ip->ftheight,
13341480Smckusick ip->ftwidth, RR_COPYINVERTED);
13441480Smckusick }
13541480Smckusick
dvbox_deinit(ip)13641480Smckusick dvbox_deinit(ip)
13753929Shibler register struct ite_softc *ip;
13841480Smckusick {
13941480Smckusick dvbox_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
14053929Shibler db_waitbusy(ip->regbase);
14141480Smckusick
14241480Smckusick ip->flags &= ~ITE_INITED;
14341480Smckusick }
14441480Smckusick
dvbox_putc(ip,c,dy,dx,mode)14541480Smckusick dvbox_putc(ip, c, dy, dx, mode)
14641480Smckusick register struct ite_softc *ip;
14741480Smckusick register int dy, dx;
14841480Smckusick int c, mode;
14941480Smckusick {
15041480Smckusick register int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
15141480Smckusick
15241480Smckusick dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
15341480Smckusick dy * ip->ftheight, dx * ip->ftwidth,
15441480Smckusick ip->ftheight, ip->ftwidth, wrr);
15541480Smckusick }
15641480Smckusick
dvbox_cursor(ip,flag)15741480Smckusick dvbox_cursor(ip, flag)
15841480Smckusick register struct ite_softc *ip;
15941480Smckusick register int flag;
16041480Smckusick {
16141480Smckusick if (flag == DRAW_CURSOR)
16241480Smckusick draw_cursor(ip)
16341480Smckusick else if (flag == MOVE_CURSOR) {
16441480Smckusick erase_cursor(ip)
16541480Smckusick draw_cursor(ip)
16641480Smckusick }
16741480Smckusick else
16841480Smckusick erase_cursor(ip)
16941480Smckusick }
17041480Smckusick
17141480Smckusick dvbox_clear(ip, sy, sx, h, w)
17241480Smckusick struct ite_softc *ip;
17341480Smckusick register int sy, sx, h, w;
17441480Smckusick {
17541480Smckusick dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
17641480Smckusick sy * ip->ftheight, sx * ip->ftwidth,
17741480Smckusick h * ip->ftheight, w * ip->ftwidth,
17841480Smckusick RR_CLEAR);
17941480Smckusick }
18041480Smckusick
dvbox_scroll(ip,sy,sx,count,dir)18141480Smckusick dvbox_scroll(ip, sy, sx, count, dir)
18241480Smckusick register struct ite_softc *ip;
18341480Smckusick register int sy, count;
18441480Smckusick int dir, sx;
18541480Smckusick {
18641480Smckusick register int dy;
18741480Smckusick register int dx = sx;
18841480Smckusick register int height = 1;
18941480Smckusick register int width = ip->cols;
19041480Smckusick
19141480Smckusick if (dir == SCROLL_UP) {
19241480Smckusick dy = sy - count;
19341480Smckusick height = ip->rows - sy;
19441480Smckusick }
19541480Smckusick else if (dir == SCROLL_DOWN) {
19641480Smckusick dy = sy + count;
19741480Smckusick height = ip->rows - dy - 1;
19841480Smckusick }
19941480Smckusick else if (dir == SCROLL_RIGHT) {
20041480Smckusick dy = sy;
20141480Smckusick dx = sx + count;
20241480Smckusick width = ip->cols - dx;
20341480Smckusick }
20441480Smckusick else {
20541480Smckusick dy = sy;
20641480Smckusick dx = sx - count;
20741480Smckusick width = ip->cols - sx;
20841480Smckusick }
20941480Smckusick
21041480Smckusick dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
21141480Smckusick dy * ip->ftheight, dx * ip->ftwidth,
21241480Smckusick height * ip->ftheight,
21341480Smckusick width * ip->ftwidth, RR_COPY);
21441480Smckusick }
21541480Smckusick
21641480Smckusick dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
21741480Smckusick struct ite_softc *ip;
21841480Smckusick int sy, sx, dy, dx, h, w, func;
21941480Smckusick {
22041480Smckusick register struct dvboxfb *dp = REGBASE;
22141480Smckusick if (h == 0 || w == 0)
22241480Smckusick return;
22341480Smckusick
22453929Shibler db_waitbusy(ip->regbase);
22541480Smckusick dp->rep_rule = func << 4 | func;
22641480Smckusick dp->source_y = sy;
22741480Smckusick dp->source_x = sx;
22841480Smckusick dp->dest_y = dy;
22941480Smckusick dp->dest_x = dx;
23041480Smckusick dp->wheight = h;
23141480Smckusick dp->wwidth = w;
23241480Smckusick dp->wmove = 1;
23341480Smckusick }
23441480Smckusick #endif
235