1367 lines
26 KiB
C
1367 lines
26 KiB
C
/* $NetBSD: ite.c,v 1.50 1999/04/21 06:00:07 scottr Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: ite.c 1.28 92/12/20$
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*
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* @(#)ite.c 8.2 (Berkeley) 1/12/94
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*/
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/*
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* ite.c
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*
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* The ite module handles the system console; that is, stuff printed
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* by the kernel and by user programs while "desktop" and X aren't
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* running. Some (very small) parts are based on hp300's 4.4 ite.c,
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* hence the above copyright.
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*
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* -- Brad and Lawrence, June 26th, 1994
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*
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*/
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#include "opt_grf.h"
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#include "zsc.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <dev/cons.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <sys/tty.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <machine/frame.h>
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#include <machine/viareg.h>
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#define KEYBOARD_ARRAY
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#include <machine/keyboard.h>
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#include <machine/adbsys.h>
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#include <machine/iteioctl.h>
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#include <machine/grfioctl.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <mac68k/mac68k/macrom.h>
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#include <mac68k/nubus/nubus.h>
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#include <mac68k/dev/itevar.h>
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#include <mac68k/dev/grfvar.h>
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#include "6x10.h"
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#define CHARWIDTH 6
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#define CHARHEIGHT 10
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/* Local function prototypes */
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static inline void putpixel1 __P((int, int, int *, int));
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static void putpixel2 __P((int, int, int *, int));
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static void putpixel4 __P((int, int, int *, int));
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static void putpixel8 __P((int, int, int *, int));
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static void putpixel16 __P((int, int, int *, int));
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static void putpixel32 __P((int, int, int *, int));
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static void reversepixel1 __P((int, int, int));
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static void writechar __P((char, int, int, int));
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static void drawcursor __P((void));
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static void erasecursor __P((void));
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static void scrollup __P((void));
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static void scrolldown __P((void));
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static void clear_screen __P((int));
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static void clear_line __P((int));
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static void reset_tabs __P((void));
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static void clear_tabs __P((void));
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static void vt100_reset __P((void));
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static void putc_normal __P((char));
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static void putc_esc __P((char));
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static void putc_gotpars __P((char));
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static void putc_getpars __P((char));
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static void putc_square __P((char));
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static void ite_putchar __P((char));
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static int ite_pollforchar __P((void));
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static int itematch __P((struct device *, struct cfdata *, void *));
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static void iteattach __P((struct device *, struct device *, void *));
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#define dprintf if (0) printf
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#define ATTR_NONE 0
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#define ATTR_BOLD 1
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#define ATTR_UNDER 2
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#define ATTR_REVERSE 4
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enum vt100state_e {
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ESnormal, /* Nothing yet */
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ESesc, /* Got ESC */
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ESsquare, /* Got ESC [ */
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ESgetpars, /* About to get or getting the parameters */
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ESgotpars, /* Finished getting the parameters */
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ESfunckey, /* Function key */
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EShash, /* DEC-specific stuff (screen align, etc.) */
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ESsetG0, /* Specify the G0 character set */
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ESsetG1, /* Specify the G1 character set */
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ESignore /* Ignore this sequence */
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} vt100state = ESnormal;
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/* From Booter via locore */
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long videoaddr;
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long videorowbytes;
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long videobitdepth;
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u_long videosize;
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/* Calculated by itecninit() */
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static int ite_initted = 0;
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static int width, height; /* width, height in pixels */
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static int scrcols, scrrows; /* width, height in characters */
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static int screenrowbytes; /* number of visible bytes per row */
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/* VT100 emulation */
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#define MAXPARS 16 /* max number of VT100 op parameters */
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static int par[MAXPARS], numpars; /* parameter array, # of parameters */
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static int x = 0, y = 0; /* current VT100 cursor location */
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static int savex, savey; /* saved cursor location */
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static int hanging_cursor; /* cursor waiting for more output */
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static int attr; /* current video attribute */
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static char tab_stops[255]; /* tab stops */
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static int scrreg_top; /* scroll region */
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static int scrreg_bottom;
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/* Console bell parameters */
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static int bell_freq = 1880; /* frequency */
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static int bell_length = 10; /* duration */
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static int bell_volume = 100; /* volume */
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/* For polled kbd mode */
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int ite_polling = 0;
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static int polledkey;
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extern u_int32_t mac68k_vidphys;
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struct tty *ite_tty; /* Our tty */
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static void (*putpixel) __P((int x, int y, int *c, int num));
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static void (*reversepixel) __P((int x, int y, int num));
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/* For capslock key functionality */
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#define isealpha(ch) (((ch)>='A'&&(ch)<='Z')||((ch)>='a'&&(ch)<='z')||((ch)>=0xC0&&(ch)<=0xFF))
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/*
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* Bitmap handling functions
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*/
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static inline void
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putpixel1(xx, yy, c, num)
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int xx, yy;
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int *c;
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int num;
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{
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u_int i, mask;
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u_char *sc;
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sc = (u_char *)videoaddr;
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i = 7 - (xx & 7);
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mask = ~(1 << i);
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sc += yy * videorowbytes + (xx >> 3);
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while (num--) {
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*sc &= mask;
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*sc |= (*c++ & 1) << i;
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sc += videorowbytes;
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}
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}
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static void
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putpixel2(xx, yy, c, num)
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int xx, yy;
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int *c;
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int num;
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{
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u_int i, mask;
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u_char *sc;
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sc = (u_char *)videoaddr;
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i = 6 - ((xx & 3) << 1);
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mask = ~(3 << i);
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sc += yy * videorowbytes + (xx >> 2);
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while (num--) {
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*sc &= mask;
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*sc |= (*c++ & 3) << i;
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sc += videorowbytes;
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}
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}
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static void
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putpixel4(xx, yy, c, num)
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int xx, yy;
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int *c;
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int num;
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{
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u_int i, mask;
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u_char *sc;
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sc = (u_char *)videoaddr;
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i = 4 - ((xx & 1) << 2);
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mask = ~(15 << i);
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sc += yy * videorowbytes + (xx >> 1);
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while (num--) {
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*sc &= mask;
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*sc |= (*c++ & 15) << i;
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sc += videorowbytes;
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}
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}
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static void
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putpixel8(xx, yy, c, num)
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int xx, yy;
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int *c;
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int num;
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{
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u_char *sc;
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sc = (u_char *)videoaddr;
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sc += yy * videorowbytes + xx;
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while (num--) {
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*sc = *c++ & 0xff;
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sc += videorowbytes;
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}
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}
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static void
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putpixel16(xx, yy, c, num)
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int xx, yy;
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int *c;
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int num;
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{
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u_short *sc;
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int videorowshorts;
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u_char uc;
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sc = (u_short *)videoaddr;
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videorowshorts = videorowbytes >> 1;
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sc += yy * videorowshorts + xx;
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while (num--) {
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uc = (*c++ & 0xff);
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*sc = (uc << 8) | uc;
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sc += videorowshorts;
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}
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}
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static void
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putpixel32(xx, yy, c, num)
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int xx, yy;
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int *c;
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int num;
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{
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u_long *sc;
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int videorowlongs;
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u_char uc;
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sc = (u_long *)videoaddr;
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videorowlongs = videorowbytes >> 2;
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sc += yy * videorowlongs + xx;
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while (num--) {
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uc = (*c++ & 0xff);
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*sc = (uc << 24) | (uc << 16) | (uc << 8) | uc;
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sc += videorowlongs;
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}
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}
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static void
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reversepixel1(xx, yy, num)
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int xx, yy, num;
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{
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u_int mask;
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u_char *sc;
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u_long *sl;
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u_short *ss;
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int videorowshorts;
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int videorowlongs;
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sc = (u_char *)videoaddr;
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mask = 0; /* Get rid of warning from compiler */
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switch (videobitdepth) {
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case 1:
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mask = 1 << (7 - (xx & 7));
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sc += yy * videorowbytes + (xx >> 3);
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break;
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case 2:
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mask = 3 << (6 - ((xx & 3) << 1));
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sc += yy * videorowbytes + (xx >> 2);
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break;
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case 4:
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mask = 15 << (4 - ((xx & 1) << 2));
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sc += yy * videorowbytes + (xx >> 1);
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break;
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case 8:
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mask = 255;
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sc += yy * videorowbytes + xx;
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break;
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case 16:
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videorowshorts = videorowbytes >> 1;
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ss = (u_short *)videoaddr;
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ss += yy * videorowshorts + xx;
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while (num--) {
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*ss ^= 0xffff;
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ss += videorowshorts;
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}
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return;
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case 32:
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videorowlongs = videorowbytes >> 2;
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sl = (u_long *)videoaddr;
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sl += yy * videorowlongs + xx;
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while (num--) {
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*sl ^= 0xffffffff;
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sl += videorowlongs;
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}
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return;
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default:
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panic("reversepixel(): unsupported bit depth");
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}
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while (num--) {
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*sc ^= mask;
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sc += videorowbytes;
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}
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}
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static void
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writechar(ch, x, y, attr)
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char ch;
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int x, y, attr;
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{
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int i, j, mask, rev, col[CHARHEIGHT];
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u_char *c;
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ch &= 0x7F;
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x *= CHARWIDTH;
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y *= CHARHEIGHT;
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rev = (attr & ATTR_REVERSE) ? 255 : 0;
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c = &Font6x10[ch * CHARHEIGHT];
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switch (videobitdepth) {
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case 1:
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for (j = 0; j < CHARWIDTH; j++) {
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mask = 1 << (CHARWIDTH - 1 - j);
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for (i = 0; i < CHARHEIGHT; i++)
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col[i] = ((c[i] & mask) ? 255 : 0) ^ rev;
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putpixel1(x + j, y, col, CHARHEIGHT);
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}
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if (attr & ATTR_UNDER) {
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col[0] = 255;
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for (j = 0; j < CHARWIDTH; j++)
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putpixel1(x + j, y + CHARHEIGHT - 1, col, 1);
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}
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break;
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case 2:
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case 4:
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case 8:
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case 16:
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case 32:
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for (j = 0; j < CHARWIDTH; j++) {
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mask = 1 << (CHARWIDTH - 1 - j);
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for (i = 0; i < CHARHEIGHT; i++)
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col[i] = ((c[i] & mask) ? 255 : 0) ^ rev;
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putpixel(x + j, y, col, CHARHEIGHT);
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}
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if (attr & ATTR_UNDER) {
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col[0] = 255;
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for (j = 0; j < CHARWIDTH; j++)
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putpixel(x + j, y + CHARHEIGHT - 1, col, 1);
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}
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break;
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}
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}
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static void
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drawcursor()
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{
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u_int j, X, Y;
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X = x * CHARWIDTH;
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Y = y * CHARHEIGHT;
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for (j = 0; j < CHARWIDTH; j++)
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reversepixel(X + j, Y, CHARHEIGHT);
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}
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static void
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erasecursor()
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{
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u_int j, X, Y;
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X = x * CHARWIDTH;
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Y = y * CHARHEIGHT;
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for (j = 0; j < CHARWIDTH; j++)
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reversepixel(X + j, Y, CHARHEIGHT);
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}
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static void
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scrollup()
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{
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u_char *from, *to;
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u_int linebytes;
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u_short i;
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linebytes = videorowbytes * CHARHEIGHT;
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to = (u_char *)videoaddr + (scrreg_top * linebytes);
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from = to + linebytes;
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for (i = (scrreg_bottom - scrreg_top) * CHARHEIGHT; i > 0; i--) {
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memmove(to, from, screenrowbytes);
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from += videorowbytes;
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to += videorowbytes;
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}
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for (i = CHARHEIGHT; i > 0; i--) {
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bzero(to, screenrowbytes);
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to += videorowbytes;
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}
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}
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static void
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scrolldown()
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{
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u_char *from, *to;
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u_int linebytes;
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u_short i;
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linebytes = videorowbytes * CHARHEIGHT;
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to = (u_char *)videoaddr + ((scrreg_bottom + 1) * linebytes);
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from = to - linebytes;
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for (i = (scrreg_bottom - scrreg_top) * CHARHEIGHT; i > 0; i--) {
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from -= videorowbytes;
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to -= videorowbytes;
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memmove(to, from, screenrowbytes);
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}
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for (i = CHARHEIGHT; i > 0; i--) {
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to -= videorowbytes;
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bzero(to, screenrowbytes);
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}
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}
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static void
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clear_screen(which)
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int which;
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{
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u_char *p;
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u_short len, i;
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p = (u_char *)videoaddr;
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switch (which) {
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case 0: /* To end of screen */
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if (x > 0) {
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clear_line(0);
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if (y < scrrows)
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y++;
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x = 0;
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}
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p += y * videorowbytes * CHARHEIGHT;
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len = scrrows - y;
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break;
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case 1: /* To start of screen */
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if (x > 0) {
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clear_line(1);
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if (y > 0)
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y--;
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x = 0;
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}
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len = y;
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break;
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case 2: /* Whole screen */
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default:
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len = scrrows;
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break;
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}
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for (i = len * CHARHEIGHT; i > 0; i--) {
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bzero(p, screenrowbytes);
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p += videorowbytes;
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}
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}
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static void
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clear_line(which)
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int which;
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{
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u_char *to;
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u_int linebytes;
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int start, end, i;
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/*
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* This routine runs extremely slowly. I don't think it's
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* used all that often, except for To end of line. I'll go
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* back and speed this up when I speed up the whole ite
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* module. --LK
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*/
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switch (which) {
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default:
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case 0: /* To end of line */
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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
|
|
clear_tabs()
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < scrcols; i++)
|
|
tab_stops[i] = 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
|
|
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 'E': /* Next line */
|
|
x = 0;
|
|
/* FALLTHROUGH */
|
|
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 */
|
|
y -= par[0] ? par[0] : 1;
|
|
if (y < scrreg_top)
|
|
y = scrreg_top;
|
|
break;
|
|
case 'B': /* Down */
|
|
y += par[0] ? par[0] : 1;
|
|
if (y > scrreg_bottom)
|
|
y = scrreg_bottom;
|
|
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 */
|
|
case 'f': /* 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) {
|
|
if (par[0] == 3)
|
|
clear_tabs();
|
|
else if (par[0] == 0)
|
|
tab_stops[x] = 0;
|
|
}
|
|
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;
|
|
ite_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;
|
|
}
|
|
}
|
|
|
|
ite_polling = 0;
|
|
|
|
splx(s);
|
|
|
|
return polledkey;
|
|
}
|
|
|
|
|
|
/*
|
|
* Autoconfig attachment
|
|
*/
|
|
|
|
struct cfattach ite_ca = {
|
|
sizeof(struct device), itematch, iteattach
|
|
};
|
|
|
|
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;
|
|
paddr_t pa;
|
|
|
|
if (strcmp(ga->ga_name, "ite"))
|
|
return 0;
|
|
pa = pmap_extract(pmap_kernel(), (vaddr_t)(gm->fbbase + gm->fboff));
|
|
|
|
if (pa != mac68k_vidphys) {
|
|
if (pa < 0xf9000000 || pa > 0xfeffffff)
|
|
return 0;
|
|
/*
|
|
* OK, this is in the NuBus standard slot space range,
|
|
* so it might be of the form 0xFssxxxxx. Mask off the
|
|
* slot number and duplicate it in bits 20-23, per IM:V
|
|
* pp 459, 463, and IM:VI ch 30 p 17.
|
|
* Note: this is an ugly hack and I wish I knew what
|
|
* to do about it. -- sr
|
|
*/
|
|
pa = (paddr_t)(((u_long)pa & 0xff0fffff) |
|
|
(((u_long)pa & 0x0f000000) >> 4));
|
|
}
|
|
return (pa == 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 (ite_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()
|
|
{
|
|
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)
|
|
{
|
|
u_char *p;
|
|
int i;
|
|
|
|
if (!ite_initted)
|
|
return (-1);
|
|
|
|
erasecursor();
|
|
|
|
/* Clear the buffer */
|
|
p = (u_char *)videoaddr;
|
|
for (i = height; i > 0; i--) {
|
|
bzero(p, screenrowbytes);
|
|
p += videorowbytes;
|
|
}
|
|
|
|
drawcursor();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
iteoff(dev_t dev, int flags)
|
|
{
|
|
if (!ite_initted)
|
|
return (-1);
|
|
|
|
erasecursor();
|
|
clear_screen(2);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
itecngetc(dev_t dev)
|
|
{
|
|
/* Oh, man... */
|
|
|
|
return ite_pollforchar();
|
|
}
|
|
|
|
int
|
|
itecnputc(dev_t dev, int c)
|
|
{
|
|
#if NZSC > 0
|
|
extern dev_t mac68k_zsdev;
|
|
extern int zscnputc __P((dev_t dev, int c));
|
|
#endif
|
|
|
|
erasecursor();
|
|
ite_putchar(c);
|
|
drawcursor();
|
|
#if NZSC > 0
|
|
if (mac68k_machine.serial_boot_echo)
|
|
zscnputc(mac68k_zsdev, c);
|
|
#endif
|
|
|
|
return c;
|
|
}
|