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NetBSD/sys/arch/mac68k/dev/ite.c
scottr 61322b7b85 KNF and other cosmetics.
1997-05-12 07:53:58 +00:00

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/* $NetBSD: ite.c,v 1.36 1997/05/12 07:53:58 scottr Exp $ */
/*
* 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.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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 $Hdr: ite.c 1.28 92/12/20$
*
* @(#)ite.c 8.2 (Berkeley) 1/12/94
*/
/*
* ite.c
*
* The ite module handles the system console; that is, stuff printed
* by the kernel and by user programs while "desktop" and X aren't
* running. Some (very small) parts are based on hp300's 4.4 ite.c,
* hence the above copyright.
*
* -- Brad and Lawrence, June 26th, 1994
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <dev/cons.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/frame.h>
#include <machine/viareg.h>
#define KEYBOARD_ARRAY
#include <machine/keyboard.h>
#include <machine/adbsys.h>
#include <machine/iteioctl.h>
#include <machine/grfioctl.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include "../mac68k/macrom.h"
#include "nubus.h"
#include "itevar.h"
#include "grfvar.h"
#include "6x10.h"
#define CHARWIDTH 6
#define CHARHEIGHT 10
/* Local function prototypes */
static inline void putpixel1 __P((int, int, int *, int));
static void putpixel2 __P((int, int, int *, int));
static void putpixel4 __P((int, int, int *, int));
static void putpixel8 __P((int, int, int *, int));
static void putpixel16 __P((int, int, int *, int));
static void putpixel32 __P((int, int, int *, int));
static void reversepixel1 __P((int, int, int));
static void writechar __P((char, int, int, int));
static void drawcursor __P((void));
static void erasecursor __P((void));
static void scrollup __P((void));
static void scrolldown __P((void));
static void clear_screen __P((int));
static void clear_line __P((int));
static void reset_tabs __P((void));
static void vt100_reset __P((void));
static void putc_normal __P((char));
static void putc_esc __P((char));
static void putc_gotpars __P((char));
static void putc_getpars __P((char));
static void putc_square __P((char));
static void ite_putchar __P((char));
static int ite_pollforchar __P((void));
static int itematch __P((struct device *, struct cfdata *, void *));
static void iteattach __P((struct device *, struct device *, void *));
#define dprintf if (0) printf
#define ATTR_NONE 0
#define ATTR_BOLD 1
#define ATTR_UNDER 2
#define ATTR_REVERSE 4
enum vt100state_e {
ESnormal, /* Nothing yet */
ESesc, /* Got ESC */
ESsquare, /* Got ESC [ */
ESgetpars, /* About to get or getting the parameters */
ESgotpars, /* Finished getting the parameters */
ESfunckey, /* Function key */
EShash, /* DEC-specific stuff (screen align, etc.) */
ESsetG0, /* Specify the G0 character set */
ESsetG1, /* Specify the G1 character set */
ESignore /* Ignore this sequence */
} vt100state = ESnormal;
/* From Booter via locore */
long videoaddr;
long videorowbytes;
long videobitdepth;
u_long videosize;
/* Calculated by itecninit() */
static int ite_initted = 0;
static int width, height; /* width, height in pixels */
static int scrcols, scrrows; /* width, height in characters */
static int screenrowbytes; /* number of visible bytes per row */
/* VT100 emulation */
#define MAXPARS 16 /* max number of VT100 op parameters */
static int par[MAXPARS], numpars; /* parameter array, # of parameters */
static int x = 0, y = 0; /* current VT100 cursor location */
static int savex, savey; /* saved cursor location */
static int hanging_cursor; /* cursor waiting for more output */
static int attr; /* current video attribute */
static char tab_stops[255]; /* tab stops */
static int scrreg_top; /* scroll region */
static int scrreg_bottom;
/* Console bell parameters */
static int bell_freq = 1880; /* frequency */
static int bell_length = 10; /* duration */
static int bell_volume = 100; /* volume */
/* For polled ADB mode */
static int polledkey;
extern int adb_polling;
extern u_int32_t mac68k_vidphys;
struct tty *ite_tty; /* Our tty */
static void (*putpixel) __P((int x, int y, int *c, int num));
static void (*reversepixel) __P((int x, int y, int num));
/* For capslock key functionality */
#define isealpha(ch) (((ch)>='A'&&(ch)<='Z')||((ch)>='a'&&(ch)<='z')||((ch)>=0xC0&&(ch)<=0xFF))
/*
* Bitmap handling functions
*/
static inline void
putpixel1(xx, yy, c, num)
int xx, yy;
int *c;
int num;
{
u_int i, mask;
u_char *sc;
sc = (u_char *)videoaddr;
i = 7 - (xx & 7);
mask = ~(1 << i);
sc += yy * videorowbytes + (xx >> 3);
while (num--) {
*sc &= mask;
*sc |= (*c++ & 1) << i;
sc += videorowbytes;
}
}
static void
putpixel2(xx, yy, c, num)
int xx, yy;
int *c;
int num;
{
u_int i, mask;
u_char *sc;
sc = (u_char *)videoaddr;
i = 6 - ((xx & 3) << 1);
mask = ~(3 << i);
sc += yy * videorowbytes + (xx >> 2);
while (num--) {
*sc &= mask;
*sc |= (*c++ & 3) << i;
sc += videorowbytes;
}
}
static void
putpixel4(xx, yy, c, num)
int xx, yy;
int *c;
int num;
{
u_int i, mask;
u_char *sc;
sc = (u_char *)videoaddr;
i = 4 - ((xx & 1) << 2);
mask = ~(15 << i);
sc += yy * videorowbytes + (xx >> 1);
while (num--) {
*sc &= mask;
*sc |= (*c++ & 15) << i;
sc += videorowbytes;
}
}
static void
putpixel8(xx, yy, c, num)
int xx, yy;
int *c;
int num;
{
u_char *sc;
sc = (u_char *)videoaddr;
sc += yy * videorowbytes + xx;
while (num--) {
*sc = *c++ & 0xff;
sc += videorowbytes;
}
}
static void
putpixel16(xx, yy, c, num)
int xx, yy;
int *c;
int num;
{
u_short *sc;
int videorowshorts;
u_char uc;
sc = (u_short *)videoaddr;
videorowshorts = videorowbytes >> 1;
sc += yy * videorowshorts + xx;
while (num--) {
uc = (*c++ & 0xff);
*sc = (uc << 8) | uc;
sc += videorowshorts;
}
}
static void
putpixel32(xx, yy, c, num)
int xx, yy;
int *c;
int num;
{
u_long *sc;
int videorowlongs;
u_char uc;
sc = (u_long *)videoaddr;
videorowlongs = videorowbytes >> 2;
sc += yy * videorowlongs + xx;
while (num--) {
uc = (*c++ & 0xff);
*sc = (uc << 24) | (uc << 16) | (uc << 8) | uc;
sc += videorowlongs;
}
}
static void
reversepixel1(xx, yy, num)
int xx, yy, num;
{
u_int mask;
u_char *sc;
u_long *sl;
u_short *ss;
int videorowshorts;
int videorowlongs;
sc = (u_char *)videoaddr;
mask = 0; /* Get rid of warning from compiler */
switch (videobitdepth) {
case 1:
mask = 1 << (7 - (xx & 7));
sc += yy * videorowbytes + (xx >> 3);
break;
case 2:
mask = 3 << (6 - ((xx & 3) << 1));
sc += yy * videorowbytes + (xx >> 2);
break;
case 4:
mask = 15 << (4 - ((xx & 1) << 2));
sc += yy * videorowbytes + (xx >> 1);
break;
case 8:
mask = 255;
sc += yy * videorowbytes + xx;
break;
case 16:
videorowshorts = videorowbytes >> 1;
ss = (u_short *)videoaddr;
ss += yy * videorowshorts + xx;
while (num--) {
*ss ^= 0xffff;
ss += videorowshorts;
}
return;
case 32:
videorowlongs = videorowbytes >> 2;
sl = (u_long *)videoaddr;
sl += yy * videorowlongs + xx;
while (num--) {
*sl ^= 0xffffffff;
sl += videorowlongs;
}
return;
default:
panic("reversepixel(): unsupported bit depth");
}
while (num--) {
*sc ^= mask;
sc += videorowbytes;
}
}
static void
writechar(ch, x, y, attr)
char ch;
int x, y, attr;
{
int i, j, mask, rev, col[CHARHEIGHT];
u_char *c;
ch &= 0x7F;
x *= CHARWIDTH;
y *= CHARHEIGHT;
rev = (attr & ATTR_REVERSE) ? 255 : 0;
c = &Font6x10[ch * CHARHEIGHT];
switch (videobitdepth) {
case 1:
for (j = 0; j < CHARWIDTH; j++) {
mask = 1 << (CHARWIDTH - 1 - j);
for (i = 0; i < CHARHEIGHT; i++)
col[i] = ((c[i] & mask) ? 255 : 0) ^ rev;
putpixel1(x + j, y, col, CHARHEIGHT);
}
if (attr & ATTR_UNDER) {
col[0] = 255;
for (j = 0; j < CHARWIDTH; j++)
putpixel1(x + j, y + CHARHEIGHT - 1, col, 1);
}
break;
case 2:
case 4:
case 8:
case 16:
case 32:
for (j = 0; j < CHARWIDTH; j++) {
mask = 1 << (CHARWIDTH - 1 - j);
for (i = 0; i < CHARHEIGHT; i++)
col[i] = ((c[i] & mask) ? 255 : 0) ^ rev;
putpixel(x + j, y, col, CHARHEIGHT);
}
if (attr & ATTR_UNDER) {
col[0] = 255;
for (j = 0; j < CHARWIDTH; j++)
putpixel(x + j, y + CHARHEIGHT - 1, col, 1);
}
break;
}
}
static void
drawcursor()
{
u_int j, X, Y;
X = x * CHARWIDTH;
Y = y * CHARHEIGHT;
for (j = 0; j < CHARWIDTH; j++)
reversepixel(X + j, Y, CHARHEIGHT);
}
static void
erasecursor()
{
u_int j, X, Y;
X = x * CHARWIDTH;
Y = y * CHARHEIGHT;
for (j = 0; j < CHARWIDTH; j++)
reversepixel(X + j, Y, CHARHEIGHT);
}
static void
scrollup()
{
u_char *from, *to;
u_int linebytes;
u_short i;
linebytes = videorowbytes * CHARHEIGHT;
to = (u_char *)videoaddr + (scrreg_top * linebytes);
from = to + linebytes;
for (i = (scrreg_bottom - scrreg_top) * CHARHEIGHT; i > 0; i--) {
ovbcopy(from, to, screenrowbytes);
from += videorowbytes;
to += videorowbytes;
}
for (i = CHARHEIGHT; i > 0; i--) {
bzero(to, screenrowbytes);
to += videorowbytes;
}
}
static void
scrolldown()
{
u_char *from, *to;
u_int linebytes;
u_short i;
linebytes = videorowbytes * CHARHEIGHT;
to = (u_char *)videoaddr + ((scrreg_bottom + 1) * linebytes);
from = to - linebytes;
for (i = (scrreg_bottom - scrreg_top) * CHARHEIGHT; i > 0; i--) {
from -= videorowbytes;
to -= videorowbytes;
ovbcopy(from, to, screenrowbytes);
}
for (i = CHARHEIGHT; i > 0; i--) {
to -= videorowbytes;
bzero(to, screenrowbytes);
}
}
static void
clear_screen(which)
int which;
{
u_char *p;
u_short len, i;
p = (u_char *)videoaddr;
switch (which) {
case 0: /* To end of screen */
if (x > 0) {
clear_line(0);
if (y < scrrows)
y++;
x = 0;
}
p += y * videorowbytes * CHARHEIGHT;
len = scrrows - y;
break;
case 1: /* To start of screen */
if (x > 0) {
clear_line(1);
if (y > 0)
y--;
x = 0;
}
len = y;
break;
case 2: /* Whole screen */
default:
len = scrrows;
break;
}
for (i = len * CHARHEIGHT; i > 0; i--) {
bzero(p, screenrowbytes);
p += videorowbytes;
}
}
static void
clear_line(which)
int which;
{
u_char *to;
u_int linebytes;
int start, end, i;
/*
* This routine runs extremely slowly. I don't think it's
* used all that often, except for To end of line. I'll go
* back and speed this up when I speed up the whole ite
* module. --LK
*/
switch (which) {
default:
case 0: /* To end of line */
start = x;
end = scrcols;
break;
case 1: /* To start of line */
start = 0;
end = x;
break;
case 2: /* Whole line */
linebytes = videorowbytes * CHARHEIGHT;
to = (u_char *)videoaddr + (y * linebytes);
for (i = CHARHEIGHT; i > 0; i--) {
bzero(to, screenrowbytes);
to += videorowbytes;
}
return;
}
for (i = start; i < end; i++)
writechar(' ', i, y, ATTR_NONE);
}
static void
reset_tabs()
{
int i;
for (i = 0; i<= scrcols; i++)
tab_stops[i] = ((i % 8) == 0);
}
static void
vt100_reset()
{
reset_tabs();
scrreg_top = 0;
scrreg_bottom = scrrows - 1;
attr = ATTR_NONE;
}
static void
putc_normal(ch)
char ch;
{
switch (ch) {
case '\a': /* Beep */
mac68k_ring_bell(bell_freq, bell_length, bell_volume);
break;
case 127: /* Delete */
case '\b': /* Backspace */
if (hanging_cursor)
hanging_cursor = 0;
else if (x > 0)
x--;
break;
case '\t': /* Tab */
do {
ite_putchar(' ');
x++;
} while ((tab_stops[x] == 0) && (x < scrcols));
break;
case '\n': /* Line feed */
if (y == scrreg_bottom)
scrollup();
else
y++;
break;
case '\r': /* Carriage return */
x = 0;
hanging_cursor = 0;
break;
case '\e': /* Escape */
vt100state = ESesc;
hanging_cursor = 0;
break;
default:
if (ch >= ' ') {
if (hanging_cursor) {
x = 0;
if (y == scrreg_bottom)
scrollup();
else
y++;
hanging_cursor = 0;
}
writechar(ch, x, y, attr);
if (x == scrcols - 1)
hanging_cursor = 1;
else
x++;
if (x >= scrcols) { /* can we ever get here? */
x = 0;
y++;
}
}
break;
}
}
static void
putc_esc(ch)
char ch;
{
vt100state = ESnormal;
switch (ch) {
case '[':
vt100state = ESsquare;
break;
case '(':
vt100state = ESsetG0;
break;
case ')':
vt100state = ESsetG1;
break;
case 'D': /* Line feed */
if (y == scrreg_bottom)
scrollup();
else
y++;
break;
case 'H': /* Set tab stop */
tab_stops[x] = 1;
break;
case 'M': /* Cursor up */
if (y == scrreg_top)
scrolldown();
else
y--;
break;
case '>':
vt100_reset();
break;
case '7': /* Save cursor */
savex = x;
savey = y;
break;
case '8': /* Restore cursor */
x = savex;
y = savey;
break;
default:
/* Rest not supported */
break;
}
}
static void
putc_gotpars(ch)
char ch;
{
int i;
vt100state = ESnormal;
switch (ch) {
case 'A': /* Up */
i = par[0];
do {
if (y == scrreg_top)
scrolldown();
else
y--;
i--;
} while (i > 0);
break;
case 'B': /* Down */
i = par[0];
do {
if (y == scrreg_bottom)
scrollup();
else
y++;
i--;
} while (i > 0);
break;
case 'C': /* Right */
x+= par[0] ? par[0] : 1;
break;
case 'D': /* Left */
x-= par[0] ? par[0] : 1;
break;
case 'H': /* Set cursor position */
x = par[1] - 1;
y = par[0] - 1;
hanging_cursor = 0;
break;
case 'J': /* Clear part of screen */
clear_screen(par[0]);
break;
case 'K': /* Clear part of line */
clear_line(par[0]);
break;
case 'L': /* Add line */
if (scrreg_top < scrreg_bottom) {
i = scrreg_top;
scrreg_top = y;
scrolldown();
scrreg_top = i;
} else
clear_line(0);
break;
case 'M': /* Delete line */
if (scrreg_top < scrreg_bottom) {
i = scrreg_top;
scrreg_top = y;
scrollup();
scrreg_top = i;
} else
clear_line(0);
break;
case 'g': /* Clear tab stops */
if (numpars >= 1 && par[0] == 3)
reset_tabs();
break;
case 'm': /* Set attribute */
for (i = 0; i < numpars; i++) {
switch (par[i]) {
case 0:
attr = ATTR_NONE;
break;
case 1:
attr |= ATTR_BOLD;
break;
case 4:
attr |= ATTR_UNDER;
break;
case 7:
attr |= ATTR_REVERSE;
break;
case 21:
attr &= ~ATTR_BOLD;
break;
case 24:
attr &= ~ATTR_UNDER;
break;
case 27:
attr &= ~ATTR_REVERSE;
break;
}
}
break;
case 'r': /* Set scroll region */
/* ensure top < bottom, and both within limits */
if ((numpars > 0) && (par[0] < scrrows))
scrreg_top = par[0] - 1;
else
scrreg_top = 0;
if ((numpars > 1) && (par[1] <= scrrows) && (par[1] > par[0]))
scrreg_bottom = par[1] - 1;
else
scrreg_bottom = scrrows - 1;
break;
}
}
static void
putc_getpars(ch)
char ch;
{
switch (ch) {
case '?':
/* Not supported */
return;
case '[':
vt100state = ESnormal;
/* Not supported */
return;
default:
if (ch == ';' && numpars < MAXPARS - 1)
numpars++;
else if (ch >= '0' && ch <= '9') {
par[numpars] *= 10;
par[numpars] += ch - '0';
} else {
numpars++;
vt100state = ESgotpars;
putc_gotpars(ch);
}
}
}
static void
putc_square(ch)
char ch;
{
u_short i;
for (i = 0; i < MAXPARS; i++)
par[i] = 0;
numpars = 0;
vt100state = ESgetpars;
putc_getpars(ch);
}
static void
ite_putchar(ch)
char ch;
{
switch (vt100state) {
default:
vt100state = ESnormal; /* FALLTHROUGH */
case ESnormal:
putc_normal(ch);
break;
case ESesc:
putc_esc(ch);
break;
case ESsquare:
putc_square(ch);
break;
case ESgetpars:
putc_getpars(ch);
break;
case ESgotpars:
putc_gotpars(ch);
break;
}
if (x >= scrcols)
x = scrcols - 1;
if (x < 0)
x = 0;
if (y >= scrrows)
y = scrrows - 1;
if (y < 0)
y = 0;
}
/*
* Keyboard support functions
*/
static int
ite_pollforchar()
{
int s;
register int intbits;
s = splhigh();
polledkey = -1;
adb_polling = 1;
/* pretend we're VIA interrupt dispatcher */
while (polledkey == -1) {
intbits = via_reg(VIA1, vIFR);
if (intbits & V1IF_ADBRDY) {
mrg_adbintr();
via_reg(VIA1, vIFR) = V1IF_ADBRDY;
}
if (intbits & 0x10) {
mrg_pmintr();
via_reg(VIA1, vIFR) = 0x10;
}
}
adb_polling = 0;
splx(s);
return polledkey;
}
/*
* Autoconfig attachment
*/
struct cfattach ite_ca = {
sizeof(struct device), itematch, iteattach
};
struct cfdriver ite_cd = {
NULL, "ite", DV_TTY
};
static int
itematch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct grfbus_attach_args *ga = aux;
struct grfmode *gm = ga->ga_grfmode;
vm_offset_t pa;
if (strcmp(ga->ga_name, "ite"))
return 0;
pa = pmap_extract(pmap_kernel(), (vm_offset_t)(gm->fbbase + gm->fboff));
return (pa == (vm_offset_t)mac68k_vidphys);
}
static void
iteattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
printf(" (minimal console)\n");
}
/*
* Tty handling functions
*/
int
iteopen(dev, mode, devtype, p)
dev_t dev;
int mode;
int devtype;
struct proc *p;
{
register struct tty *tp;
register int error;
dprintf("iteopen(): enter(0x%x)\n", (int)dev);
if (!ite_initted)
return (ENXIO);
if (ite_tty == NULL) {
tp = ite_tty = ttymalloc();
tty_attach(tp);
} else
tp = ite_tty;
if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
&& p->p_ucred->cr_uid != 0)
return (EBUSY);
tp->t_oproc = itestart;
tp->t_param = NULL;
tp->t_dev = dev;
if ((tp->t_state & TS_ISOPEN) == 0) {
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = CS8 | CREAD;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
tp->t_state = TS_ISOPEN | TS_CARR_ON;
ttsetwater(tp);
}
error = (*linesw[tp->t_line].l_open) (dev, tp);
tp->t_winsize.ws_row = scrrows;
tp->t_winsize.ws_col = scrcols;
dprintf("iteopen(): exit(%d)\n", error);
return (error);
}
int
iteclose(dev, flag, mode, p)
dev_t dev;
int flag;
int mode;
struct proc *p;
{
dprintf("iteclose: enter (%d)\n", (int)dev);
(*linesw[ite_tty->t_line].l_close) (ite_tty, flag);
ttyclose(ite_tty);
#if 0
ttyfree(ite_tty);
ite_tty = (struct tty *) 0;
#endif
dprintf("iteclose: exit\n");
return 0;
}
int
iteread(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
dprintf("iteread: enter\n");
return (*linesw[ite_tty->t_line].l_read) (ite_tty, uio, flag);
}
int
itewrite(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
dprintf("itewrite: enter\n");
return (*linesw[ite_tty->t_line].l_write) (ite_tty, uio, flag);
}
struct tty *
itetty(dev)
dev_t dev;
{
return (ite_tty);
}
int
iteioctl(dev, cmd, addr, flag, p)
dev_t dev;
int cmd;
caddr_t addr;
int flag;
struct proc *p;
{
register struct tty *tp = ite_tty;
int error;
dprintf("iteioctl: enter(%d, 0x%x)\n", cmd, cmd);
error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
if (error >= 0) {
dprintf("iteioctl: exit(%d)\n", error);
return (error);
}
error = ttioctl(tp, cmd, addr, flag, p);
if (error >= 0) {
dprintf("iteioctl: exit(%d)\n", error);
return (error);
}
switch (cmd) {
case ITEIOC_RINGBELL:
return mac68k_ring_bell(bell_freq, bell_length, bell_volume);
case ITEIOC_SETBELL:
{
struct bellparams *bp = (void *)addr;
/* Do some sanity checks. */
if (bp->freq < 10 || bp->freq > 40000)
return (EINVAL);
if (bp->len < 0 || bp->len > 3600)
return (EINVAL);
if (bp->vol < 0 || bp->vol > 100)
return (EINVAL);
bell_freq = bp->freq;
bell_length = bp->len;
bell_volume = bp->vol;
return (0);
}
case ITEIOC_GETBELL:
{
struct bellparams *bp = (void *)addr;
bell_freq = bp->freq;
bell_length = bp->len;
bell_volume = bp->vol;
return (0);
}
}
dprintf("iteioctl: exit(ENOTTY)\n");
return (ENOTTY);
}
void
itestart(register struct tty * tp)
{
register int cc, s;
s = spltty();
if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
splx(s);
return;
}
tp->t_state |= TS_BUSY;
cc = tp->t_outq.c_cc;
splx(s);
erasecursor();
while (cc-- > 0)
ite_putchar(getc(&tp->t_outq));
drawcursor();
s = spltty();
tp->t_state &= ~TS_BUSY;
splx(s);
}
void
itestop(struct tty * tp, int flag)
{
int s;
s = spltty();
if (tp->t_state & TS_BUSY)
if ((tp->t_state & TS_TTSTOP) == 0)
tp->t_state |= TS_FLUSH;
splx(s);
}
int
ite_intr(adb_event_t * event)
{
static int shift = 0, control = 0, capslock = 0;
int key, press, val, state;
char str[10], *s;
key = event->u.k.key;
press = ADBK_PRESS(key);
val = ADBK_KEYVAL(key);
if (val == ADBK_SHIFT)
shift = press;
else if (val == ADBK_CAPSLOCK)
capslock = !capslock;
else if (val == ADBK_CONTROL)
control = press;
else if (press) {
switch (val) {
case ADBK_UP:
str[0] = '\e';
str[1] = 'O';
str[2] = 'A';
str[3] = '\0';
break;
case ADBK_DOWN:
str[0] = '\e';
str[1] = 'O';
str[2] = 'B';
str[3] = '\0';
break;
case ADBK_RIGHT:
str[0] = '\e';
str[1] = 'O';
str[2] = 'C';
str[3] = '\0';
break;
case ADBK_LEFT:
str[0] = '\e';
str[1] = 'O';
str[2] = 'D';
str[3] = '\0';
break;
default:
state = 0;
if (capslock && isealpha(keyboard[val][1]))
state = 1;
if (shift)
state = 1;
if (control)
state = 2;
str[0] = keyboard[val][state];
str[1] = '\0';
break;
}
if (adb_polling)
polledkey = str[0];
else
for (s = str; *s; s++)
(*linesw[ite_tty->t_line].l_rint)(*s, ite_tty);
}
return 0;
}
/*
* Console functions
*/
int
itecnprobe(struct consdev * cp)
{
int maj, unit;
/* locate the major number */
for (maj = 0; maj < nchrdev; maj++)
if (cdevsw[maj].d_open == iteopen)
break;
if (maj == nchrdev)
panic("itecnprobe(): did not find iteopen().");
unit = 0; /* hardcode first device as console. */
/* initialize required fields */
cp->cn_dev = makedev(maj, unit);
cp->cn_pri = CN_INTERNAL;
return 0;
}
void
itereset()
{
ite_initted = 1;
width = videosize & 0xffff;
height = (videosize >> 16) & 0xffff;
scrrows = height / CHARHEIGHT;
scrcols = width / CHARWIDTH;
switch (videobitdepth) {
default:
case 1:
putpixel = putpixel1;
reversepixel = reversepixel1;
screenrowbytes = (width + 7) >> 3;
break;
case 2:
putpixel = putpixel2;
reversepixel = reversepixel1;
screenrowbytes = (width + 3) >> 2;
break;
case 4:
putpixel = putpixel4;
reversepixel = reversepixel1;
screenrowbytes = (width + 1) >> 1;
break;
case 8:
putpixel = putpixel8;
reversepixel = reversepixel1;
screenrowbytes = width;
break;
case 16:
putpixel = putpixel16;
reversepixel = reversepixel1;
screenrowbytes = width*2;
break;
case 32:
putpixel = putpixel32;
reversepixel = reversepixel1;
screenrowbytes = width*4;
break;
}
vt100_reset();
}
int
itecninit(struct consdev * cp)
{
if (ite_initted)
return 0;
ite_initted = 1;
itereset();
return iteon(cp->cn_dev, 0);
}
int
iteon(dev_t dev, int flags)
{
erasecursor();
clear_screen(2);
drawcursor();
return 0;
}
int
iteoff(dev_t dev, int flags)
{
erasecursor();
clear_screen(2);
return 0;
}
int
itecngetc(dev_t dev)
{
/* Oh, man... */
return ite_pollforchar();
}
int
itecnputc(dev_t dev, int c)
{
extern dev_t mac68k_zsdev;
extern int zscnputc __P((dev_t dev, int c));
erasecursor();
ite_putchar(c);
drawcursor();
if (mac68k_machine.serial_boot_echo)
zscnputc(mac68k_zsdev, c);
return c;
}
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