/* $NetBSD: ite_dumb.c,v 1.2 2023/01/15 06:19:46 tsutsui Exp $ */
/*-
* Copyright (c) 2011 Izumi Tsutsui. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department and Mark Davies of the Department of Computer
* Science, Victoria University of Wellington, New Zealand.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: ite_subr.c 1.2 92/01/20$
*
* @(#)ite_subr.c 8.1 (Berkeley) 6/10/93
*/
#ifdef ITECONSOLE
#include <sys/param.h>
#include <hp300/stand/common/samachdep.h>
#include <hp300/stand/common/itereg.h>
#include <hp300/stand/common/itevar.h>
static void dumb_fontinit(struct ite_data *ip);
static void dumb_writeglyph(struct ite_data *, uint8_t *fbmem, uint8_t *);
static void dumb_flip_cursor(struct ite_data *ip);
static void dumb_windowmove(struct ite_data *, int, int, int, int, int, int,
int);
static uint8_t *font;
void
dumb_init(struct ite_data *ip)
{
ip->bmv = dumb_windowmove; /* unused */
ite_fontinfo(ip);
dumb_clear(ip, 0, 0, ip->rows, ip->cols);
dumb_fontinit(ip);
}
static void
dumb_fontinit(struct ite_data *ip)
{
int bytewidth = (((ip->ftwidth - 1) / 8) + 1);
int glyphsize = bytewidth * ip->ftheight;
uint8_t fontbuf[500];
uint8_t *dp, *fontp;
int c, i, romp;
/*
* We don't bother to copy font glyph into fbmem
* since there is no hardware windowmove ops.
* Prepare font data into contiguous memory instead.
*/
font = alloc((ip->ftwidth * ip->ftheight) * 128);
romp = getword(ip, getword(ip, FONTROM) + FONTADDR) + FONTDATA;
for (c = 0; c < 128; c++) {
/* get font glyph from FONTROM */
dp = fontbuf;
for (i = 0; i < glyphsize; i++) {
*dp++ = getbyte(ip, romp);
romp += 2;
}
/* setup font data for 8bpp fbmem */
fontp = &font[(ip->ftwidth * ip->ftheight) * c];
dumb_writeglyph(ip, fontp, fontbuf);
}
}
static void
dumb_writeglyph(struct ite_data *ip, uint8_t *fontmem, uint8_t *glyphp)
{
int bn;
int b, l;
for (l = 0; l < ip->ftheight; l++) {
bn = 7;
for (b = 0; b < ip->ftwidth; b++) {
if ((1 << bn) & *glyphp)
*fontmem++ = 0x01;
else
*fontmem++ = 0x00;
if (--bn < 0) {
bn = 7;
glyphp++;
}
}
if (bn < 7)
glyphp++;
}
}
static void
dumb_flip_cursor(struct ite_data *ip)
{
int l, w;
uint8_t *pc;
uint32_t *pc32;
pc = (uint8_t *)ip->fbbase +
((ip->ftheight * ip->cursory) * ip->fbwidth) +
ip->ftwidth * ip->cursorx;
for (l = 0; l < ip->ftheight; l++) {
/* assume (ip->ftwidth % sizeof(uint32_t) == 0) */
pc32 = (uint32_t *)pc;
for (w = 0; w < ip->ftwidth / sizeof(uint32_t); w++)
pc32[w] ^= 0x01010101;
pc += ip->fbwidth;
}
}
void
dumb_cursor(struct ite_data *ip, int flag)
{
switch (flag) {
case MOVE_CURSOR:
dumb_flip_cursor(ip);
/* FALLTHROUGH */
case DRAW_CURSOR:
ip->cursorx = ip->curx;
ip->cursory = ip->cury;
/* FALLTHROUGH */
default:
dumb_flip_cursor(ip);
break;
}
}
void
dumb_putc(struct ite_data *ip, int c, int dy, int dx)
{
int l, w;
uint8_t *pc;
uint32_t *pc32;
uint32_t *fontp;
pc = (uint8_t *)ip->fbbase +
((ip->ftheight * ip->cursory) * ip->fbwidth) +
ip->ftwidth * ip->cursorx;
fontp = (uint32_t *)&font[(ip->ftwidth * ip->ftheight) * c];
for (l = 0; l < ip->ftheight; l++) {
/* assume (ip->ftwidth % sizeof(uint32_t) == 0) */
pc32 = (uint32_t *)pc;
for (w = 0; w < ip->ftwidth / sizeof(uint32_t); w++)
pc32[w] = *fontp++;
pc += ip->fbwidth;
}
}
void
dumb_clear(struct ite_data *ip, int sy, int sx, int h, int w)
{
int l;
uint8_t *pdst;
pdst = (uint8_t *)ip->fbbase +
((ip->ftheight * sy) * ip->fbwidth) + ip->ftwidth * sx;
for (l = 0; l < ip->ftheight * h; l++) {
/* slow, but just works */
memset(pdst, 0, ip->ftwidth * w);
pdst += ip->fbwidth;
}
}
void
dumb_scroll(struct ite_data *ip)
{
int l, h, w;
uint8_t *psrc, *pdst;
dumb_flip_cursor(ip);
psrc = (uint8_t *)ip->fbbase + (ip->ftheight * ip->fbwidth);
pdst = (uint8_t *)ip->fbbase;
h = (ip->rows - 1) * ip->ftheight;
w = ip->cols * ip->ftwidth;
for (l = 0; l < h; l++) {
/* slow, but just works and no scroll if no retry */
memmove(pdst, psrc, w);
psrc += ip->fbwidth;
pdst += ip->fbwidth;
}
}
static void
dumb_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx,
int w, int h, int func)
{
/* for sanity check */
printf("%s: called\n", __func__);
}
#endif