Annotation of sys/arch/hp300/stand/common/ite_dv.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ite_dv.c,v 1.6 2006/08/17 06:31:10 miod Exp $ */
! 2: /* $NetBSD: ite_dv.c,v 1.8 1996/03/03 04:23:35 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1988 University of Utah.
! 6: * Copyright (c) 1990, 1993
! 7: * The Regents of the University of California. All rights reserved.
! 8: *
! 9: * This code is derived from software contributed to Berkeley by
! 10: * the Systems Programming Group of the University of Utah Computer
! 11: * Science Department.
! 12: *
! 13: * Redistribution and use in source and binary forms, with or without
! 14: * modification, are permitted provided that the following conditions
! 15: * are met:
! 16: * 1. Redistributions of source code must retain the above copyright
! 17: * notice, this list of conditions and the following disclaimer.
! 18: * 2. Redistributions in binary form must reproduce the above copyright
! 19: * notice, this list of conditions and the following disclaimer in the
! 20: * documentation and/or other materials provided with the distribution.
! 21: * 3. Neither the name of the University nor the names of its contributors
! 22: * may be used to endorse or promote products derived from this software
! 23: * without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 35: * SUCH DAMAGE.
! 36: *
! 37: * from: Utah $Hdr: ite_dv.c 1.2 92/01/20$
! 38: *
! 39: * @(#)ite_dv.c 8.1 (Berkeley) 6/10/93
! 40: */
! 41:
! 42: #ifdef ITECONSOLE
! 43:
! 44: #include <sys/param.h>
! 45:
! 46: #include "samachdep.h"
! 47: #include "itevar.h"
! 48: #include "grf_dvreg.h"
! 49:
! 50: #define REGBASE ((struct dvboxfb *)(ip->regbase))
! 51:
! 52: void dvbox_windowmove(struct ite_data *, int, int, int, int, int, int, int);
! 53: void dv_reset(struct dvboxfb *);
! 54:
! 55: void
! 56: dvbox_init(struct ite_data *ip)
! 57: {
! 58: int i;
! 59:
! 60: ip->bmv = dvbox_windowmove;
! 61: dv_reset((struct dvboxfb *)ip->regbase);
! 62: DELAY(4000);
! 63:
! 64: /*
! 65: * Turn on frame buffer, turn on overlay planes, set replacement
! 66: * rule, enable top overlay plane writes for ite, disable all frame
! 67: * buffer planes, set byte per pixel, and display frame buffer 0.
! 68: * Lastly, turn on the box.
! 69: */
! 70: REGBASE->interrupt = 0x04;
! 71: REGBASE->drive = 0x10;
! 72: REGBASE->rep_rule = RR_COPY << 4 | RR_COPY;
! 73: REGBASE->opwen = 0x01;
! 74: REGBASE->fbwen = 0x0;
! 75: REGBASE->fold = 0x01;
! 76: REGBASE->vdrive = 0x0;
! 77: REGBASE->dispen = 0x01;
! 78:
! 79: /*
! 80: * Video enable top overlay plane.
! 81: */
! 82: REGBASE->opvenp = 0x01;
! 83: REGBASE->opvens = 0x01;
! 84:
! 85: /*
! 86: * Make sure that overlay planes override frame buffer planes.
! 87: */
! 88: REGBASE->ovly0p = 0x0;
! 89: REGBASE->ovly0s = 0x0;
! 90: REGBASE->ovly1p = 0x0;
! 91: REGBASE->ovly1s = 0x0;
! 92: REGBASE->fv_trig = 0x1;
! 93: DELAY(400);
! 94:
! 95: /*
! 96: * Setup the overlay colormaps. Need to set the 0,1 (black/white)
! 97: * color for both banks.
! 98: */
! 99:
! 100: for (i = 0; i <= 1; i++) {
! 101: REGBASE->cmapbank = i;
! 102: REGBASE->rgb[0].red = 0x00;
! 103: REGBASE->rgb[0].green = 0x00;
! 104: REGBASE->rgb[0].blue = 0x00;
! 105: REGBASE->rgb[1].red = 0xFF;
! 106: REGBASE->rgb[1].green = 0xFF;
! 107: REGBASE->rgb[1].blue = 0xFF;
! 108: }
! 109: REGBASE->cmapbank = 0;
! 110:
! 111: db_waitbusy(ip->regbase);
! 112:
! 113: ite_fontinfo(ip);
! 114: ite_fontinit8bpp(ip);
! 115:
! 116: /*
! 117: * Clear the (visible) framebuffer.
! 118: */
! 119: dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
! 120: db_waitbusy(ip->regbase);
! 121:
! 122: /*
! 123: * Stash the inverted cursor.
! 124: */
! 125: dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
! 126: ip->cblanky, ip->cblankx, ip->ftheight,
! 127: ip->ftwidth, RR_COPYINVERTED);
! 128: db_waitbusy(ip->regbase);
! 129: }
! 130:
! 131: void
! 132: dvbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
! 133: int w, int func)
! 134: {
! 135: struct dvboxfb *dp = REGBASE;
! 136: if (h == 0 || w == 0)
! 137: return;
! 138:
! 139: db_waitbusy(ip->regbase);
! 140: dp->rep_rule = func << 4 | func;
! 141: dp->source_y = sy;
! 142: dp->source_x = sx;
! 143: dp->dest_y = dy;
! 144: dp->dest_x = dx;
! 145: dp->wheight = h;
! 146: dp->wwidth = w;
! 147: dp->wmove = 1;
! 148: }
! 149:
! 150: void
! 151: dv_reset(struct dvboxfb *dbp)
! 152: {
! 153: dbp->reset = 0x80;
! 154: DELAY(400);
! 155:
! 156: dbp->interrupt = 0x04;
! 157: dbp->en_scan = 0x01;
! 158: dbp->fbwen = ~0;
! 159: dbp->opwen = ~0;
! 160: dbp->fold = 0x01;
! 161: dbp->drive = 0x01;
! 162: dbp->rep_rule = 0x33;
! 163: dbp->alt_rr = 0x33;
! 164: dbp->zrr = 0x33;
! 165:
! 166: dbp->fbvenp = 0xFF;
! 167: dbp->dispen = 0x01;
! 168: dbp->fbvens = 0x0;
! 169: dbp->fv_trig = 0x01;
! 170: DELAY(400);
! 171: dbp->vdrive = 0x0;
! 172: dbp->zconfig = 0x0;
! 173:
! 174: while (dbp->wbusy & 0x01)
! 175: DELAY(400);
! 176:
! 177: /*
! 178: * Start of missing ROM code.
! 179: */
! 180: dbp->cmapbank = 0;
! 181:
! 182: dbp->red0 = 0;
! 183: dbp->red1 = 0;
! 184: dbp->green0 = 0;
! 185: dbp->green1 = 0;
! 186: dbp->blue0 = 0;
! 187: dbp->blue1 = 0;
! 188:
! 189: dbp->panxh = 0;
! 190: dbp->panxl = 0;
! 191: dbp->panyh = 0;
! 192: dbp->panyl = 0;
! 193: dbp->zoom = 0;
! 194: dbp->cdwidth = 0x50;
! 195: dbp->chstart = 0x52;
! 196: dbp->cvwidth = 0x22;
! 197: dbp->pz_trig = 1;
! 198: /*
! 199: * End of missing ROM code.
! 200: */
! 201: }
! 202: #endif
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