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freebsd-dev/sys/i386/isa/pcvt/pcvt_hdr.h
Julian Elischer b40ce4165d KSE Milestone 2 
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.

Sorry john! (your next MFC will be a doosie!)

Reviewed by: peter@freebsd.org, dillon@freebsd.org

X-MFC after:    ha ha ha ha
2001-09-12 08:38:13 +00:00

1098 lines
41 KiB
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/*
* Copyright (c) 1999, 2000 Hellmuth Michaelis
*
* Copyright (c) 1992, 1995 Hellmuth Michaelis and Joerg Wunsch.
*
* Copyright (c) 1992, 1993 Brian Dunford-Shore.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by
* Hellmuth Michaelis, Brian Dunford-Shore and Joerg Wunsch.
* 4. The name authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
*/
/*---------------------------------------------------------------------------
*
* pcvt_hdr.h VT220 Driver Global Include File
* ------------------------------------------------
*
* Last Edit-Date: [Wed Apr 5 18:21:32 2000]
*
* $FreeBSD$
*
*---------------------------------------------------------------------------*/
#define PCVT_REL "3.60" /* driver attach announcement */
/* see also: pcvt_ioctl.h */
#include "opt_pcvt.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/conf.h>
#include <sys/cons.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/random.h>
#include <sys/signalvar.h>
#include <sys/syslog.h>
#include <sys/time.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <machine/bus.h>
#include <machine/psl.h>
#include <machine/frame.h>
#include <machine/pcvt_ioctl.h>
#include <machine/pc/display.h>
#include <machine/clock.h>
#include <machine/md_var.h>
#include <machine/stdarg.h>
#include <dev/kbd/kbdreg.h>
#include <dev/kbd/atkbdcreg.h>
#include <i386/isa/pcvt/pcvt_conf.h>
/*===========================================================================*
* definitions
*===========================================================================*/
#define PCVT_KBD_FIFO_SZ 256 /* keyboard fifo size */
#define PCVT_PCBURST 256 /* # of burst out chars */
#define SCROLLBACK_PAGES 8 /* scrollback buffer pages */
#define SCROLLBACK_COOKIE 31337 /* scrollback buffer pages */
#define PCVT_NONRESP_KEYB_TRY 25 /* no of times to try to detect */
/* a nonresponding keyboard */
/*
* The following values are defined in sys/kbio.h, but the header
* file is not included here due to conflicts with pcvt_ioctl.h.
* XXX: Still relevant ?
*/
#define KDGKBTYPE _IOR('K', 64, int)
#define KB_84 1
#define KB_101 2
#define KB_OTHER 3
/* setup irq disable function to use */
#if !(PCVT_SLOW_INTERRUPT)
# define PCVT_DISABLE_INTR() disable_intr()
# define PCVT_ENABLE_INTR() enable_intr()
# undef PCVT_SLOW_INTERRUPT
#else
# define PCVT_DISABLE_INTR() s = spltty()
# define PCVT_ENABLE_INTR() splx(s)
# undef PCVT_SLOW_INTERRUPT
# define PCVT_SLOW_INTERRUPT 1
#endif
#ifdef XSERVER
/* PCVT_NULLCHARS is mandatory for X server */
#undef PCVT_NULLCHARS
#define PCVT_NULLCHARS 1
#endif /* XSERVER */
/* PCVT_SCREENSAVER is mandatory for PCVT_PRETTYSCRNS */
#if PCVT_PRETTYSCRNS && !PCVT_SCREENSAVER
#undef PCVT_SCREENSAVER
#define PCVT_SCREENSAVER 1
#endif
#if PCVT_SCANSET !=1 && PCVT_SCANSET !=2
#error "Supported keyboard scancode sets are 1 and 2 only (for now)!!!"
#endif
/*---------------------------------------------------------------------------*
* keyboard
*---------------------------------------------------------------------------*/
/* responses from the KEYBOARD (via the 8042 controller on mainboard..) */
#define KEYB_R_OVERRUN0 0x00 /* keyboard buffer overflow */
#define KEYB_R_SELFOK 0xaa /* keyboard selftest ok after KEYB_C_RESET */
#define KEYB_R_EXT0 0xe0 /* keyboard extended scancode prefix 1 */
#define KEYB_R_EXT1 0xe1 /* keyboard extended scancode prefix 2 */
#define KEYB_R_ECHO 0xee /* keyboard response to KEYB_C_ECHO */
#define KEYB_R_BREAKPFX 0xf0 /* break code prefix for set 2 and 3 */
#define KEYB_R_ACK 0xfa /* acknowledge after a command has rx'd */
#define KEYB_R_SELFBAD 0xfc /*keyboard selftest FAILED after KEYB_C_RESET*/
#define KEYB_R_DIAGBAD 0xfd /* keyboard self diagnostic failure */
#define KEYB_R_RESEND 0xfe /* keyboard wants command resent or illegal
* command rx'd */
#define KEYB_R_OVERRUN1 0xff /* keyboard buffer overflow */
#define KEYB_R_MF2ID1 0xab /* MF II Keyboard id-byte #1 */
#define KEYB_R_MF2ID2 0x41 /* MF II Keyboard id-byte #2 */
#define KEYB_R_MF2ID2HP 0x83 /* MF II Keyboard id-byte #2 from HP keybd's */
/* internal Keyboard Type */
#define KB_UNKNOWN 0 /* unknown keyboard type */
#define KB_AT 1 /* AT (84 keys) Keyboard */
#define KB_MFII 2 /* MF II (101/102 keys) Keyboard */
/*---------------------------------------------------------------------------*
* CMOS ram access to get the "Equipment Byte"
*---------------------------------------------------------------------------*/
#define RTC_EQUIPMENT 0x14 /* equipment byte in cmos ram */
#define EQ_EGAVGA 0 /* reserved (= ega/vga) */
#define EQ_40COLOR 1 /* display = 40 col color */
#define EQ_80COLOR 2 /* display = 80 col color */
#define EQ_80MONO 3 /* display = 80 col mono */
/*---------------------------------------------------------------------------*
* VT220 -> internal color conversion table fields
*---------------------------------------------------------------------------*/
#define VT_NORMAL 0x00 /* no attributes at all */
#define VT_BOLD 0x01 /* bold attribute */
#define VT_UNDER 0x02 /* underline attribute */
#define VT_BLINK 0x04 /* blink attribute */
#define VT_INVERSE 0x08 /* inverse attribute */
/*---------------------------------------------------------------------------*
* VGA GENERAL/EXTERNAL Registers (3BA or 3DA and 3CA, 3C2, 3CC)
*---------------------------------------------------------------------------*/
#define GN_MISCOUTR 0x3CC /* misc output register read */
#define GN_MISCOUTW 0x3C2 /* misc output register write */
#define GN_INPSTAT0 0x3C2 /* input status 0, r/o */
#define GN_INPSTAT1M 0x3BA /* input status 1, r/o, mono */
#define GN_INPSTAT1C 0x3DA /* input status 1, r/o, color */
#define GN_FEATR 0x3CA /* feature control, read */
#define GN_FEATWM 0x3BA /* feature control, write, mono */
#define GN_FEATWC 0x3DA /* feature control, write, color */
#define GN_VSUBSYS 0x3C3 /* video subsystem register r/w */
#define GN_DMCNTLM 0x3B8 /* display mode control, r/w, mono */
#define GN_DMCNTLC 0x3D8 /* display mode control, r/w, color */
#define GN_COLORSEL 0x3D9 /* color select register, w/o */
#define GN_HERCOMPAT 0x3BF /* Hercules compatibility reg, w/o */
/*---------------------------------------------------------------------------*
* VGA CRTC Registers (3B4 and 3B5 or 3D4 and 3D5)
*---------------------------------------------------------------------------*/
#define MONO_BASE 0x3B4 /* crtc index register address mono */
#define CGA_BASE 0x3D4 /* crtc index register address color */
#define CRTC_ADDR 0x00 /* index register */
#define CRTC_HTOTAL 0x00 /* horizontal total */
#define CRTC_HDISPLE 0x01 /* horizontal display end */
#define CRTC_HBLANKS 0x02 /* horizontal blank start */
#define CRTC_HBLANKE 0x03 /* horizontal blank end */
#define CRTC_HSYNCS 0x04 /* horizontal sync start */
#define CRTC_HSYNCE 0x05 /* horizontal sync end */
#define CRTC_VTOTAL 0x06 /* vertical total */
#define CRTC_OVERFLL 0x07 /* overflow low */
#define CRTC_IROWADDR 0x08 /* inital row address */
#define CRTC_MAXROW 0x09 /* maximum row address */
#define CRTC_CURSTART 0x0A /* cursor start row address */
#define CURSOR_ON_BIT 0x20 /* cursor on/off on mda/cga/vga */
#define CRTC_CUREND 0x0B /* cursor end row address */
#define CRTC_STARTADRH 0x0C /* linear start address mid */
#define CRTC_STARTADRL 0x0D /* linear start address low */
#define CRTC_CURSORH 0x0E /* cursor address mid */
#define CRTC_CURSORL 0x0F /* cursor address low */
#define CRTC_VSYNCS 0x10 /* vertical sync start */
#define CRTC_VSYNCE 0x11 /* vertical sync end */
#define CRTC_VDE 0x12 /* vertical display end */
#define CRTC_OFFSET 0x13 /* row offset */
#define CRTC_ULOC 0x14 /* underline row address */
#define CRTC_VBSTART 0x15 /* vertical blank start */
#define CRTC_VBEND 0x16 /* vertical blank end */
#define CRTC_MODE 0x17 /* CRTC mode register */
#define CRTC_SPLITL 0x18 /* split screen start low */
/* start of ET4000 extensions */
#define CRTC_RASCAS 0x32 /* ras/cas configuration */
#define CRTC_EXTSTART 0x33 /* extended start address */
#define CRTC_COMPAT6845 0x34 /* 6845 comatibility control */
#define CRTC_OVFLHIGH 0x35 /* overflow high */
#define CRTC_SYSCONF1 0x36 /* video system configuration 1 */
#define CRTC_SYSCONF2 0x36 /* video system configuration 2 */
/* start of WD/Paradise extensions */
#define CRTC_PR10 0x29 /* r/w unlocking */
#define CRTC_PR11 0x2A /* ega switches */
#define CRTC_PR12 0x2B /* scratch pad */
#define CRTC_PR13 0x2C /* interlace h/2 start */
#define CRTC_PR14 0x2D /* interlace h/2 end */
#define CRTC_PR15 0x2E /* misc control #1 */
#define CRTC_PR16 0x2F /* misc control #2 */
#define CRTC_PR17 0x30 /* misc control #3 */
/* 0x31 .. 0x3f reserved */
/* Video 7 */
#define CRTC_V7ID 0x1f /* identification register */
/* Trident */
#define CRTC_MTEST 0x1e /* module test register */
#define CRTC_SOFTPROG 0x1f /* software programming */
#define CRTC_LATCHRDB 0x22 /* latch read back register */
#define CRTC_ATTRSRDB 0x24 /* attribute state read back register*/
#define CRTC_ATTRIRDB 0x26 /* attribute index read back register*/
#define CRTC_HOSTAR 0x27 /* high order start address register */
/*---------------------------------------------------------------------------*
* VGA TIMING & SEQUENCER Registers (3C4 and 3C5)
*---------------------------------------------------------------------------*/
#define TS_INDEX 0x3C4 /* index register */
#define TS_DATA 0x3C5 /* data register */
#define TS_SYNCRESET 0x00 /* synchronous reset */
#define TS_MODE 0x01 /* ts mode register */
#define TS_WRPLMASK 0x02 /* write plane mask */
#define TS_FONTSEL 0x03 /* font select register */
#define TS_MEMMODE 0x04 /* memory mode register */
/* ET4000 only */
#define TS_RESERVED 0x05 /* undef, reserved */
#define TS_STATECNTL 0x06 /* state control register */
#define TS_AUXMODE 0x07 /* auxiliary mode control */
/* WD/Paradise only */
#define TS_UNLOCKSEQ 0x06 /* PR20 - unlock sequencer register */
#define TS_DISCFSTAT 0x07 /* PR21 - display config status */
#define TS_MEMFIFOCTL 0x10 /* PR30 - memory i/f & fifo control */
#define TS_SYSIFCNTL 0x11 /* PR31 - system interface control */
#define TS_MISC4 0x12 /* PR32 - misc control #4 */
/* Video 7 */
#define TS_EXTCNTL 0x06 /* extensions control */
#define TS_CLRVDISP 0x30 /* clear vertical display 0x30-0x3f */
#define TS_V7CHIPREV 0x8e /* chipset revision 0x8e-0x8f */
#define TS_SWBANK 0xe8 /* single/write bank register, rev 5+*/
#define TS_RDBANK 0xe8 /* read bank register, rev 4+ */
#define TS_MISCCNTL 0xe8 /* misc control register, rev 4+ */
#define TS_SWSTROBE 0xea /* switch strobe */
#define TS_MWRCNTL 0xf3 /* masked write control */
#define TS_MWRMVRAM 0xf4 /* masked write mask VRAM only */
#define TS_BANKSEL 0xf6 /* bank select */
#define TS_SWREADB 0xf7 /* switch readback */
#define TS_PAGESEL 0xf9 /* page select */
#define TS_COMPAT 0xfc /* compatibility control */
#define TS_16BITCTL 0xff /* 16 bit interface control */
/* Trident */
#define TS_HWVERS 0x0b /* hardware version, switch old/new! */
#define TS_CONFPORT1 0x0c /* config port 1 and 2 - caution! */
#define TS_MODEC2 0x0d /* old/new mode control 2 - caution! */
#define TS_MODEC1 0x0e /* old/new mode control 1 - caution! */
#define TS_PUPM2 0x0f /* power up mode 2 */
/*---------------------------------------------------------------------------*
* VGA GRAPHICS DATA CONTROLLER Registers (3CE, 3CF and 3CD)
*---------------------------------------------------------------------------*/
#define GDC_SEGSEL 0x3CD /* segment select register */
#define GDC_INDEX 0x3CE /* index register */
#define GDC_DATA 0x3CF /* data register */
#define GDC_SETRES 0x00 /* set / reset bits */
#define GDC_ENSETRES 0x01 /* enable set / reset */
#define GDC_COLORCOMP 0x02 /* color compare register */
#define GDC_ROTFUNC 0x03 /* data rotate / function select */
#define GDC_RDPLANESEL 0x04 /* read plane select */
#define GDC_MODE 0x05 /* gdc mode register */
#define GDC_MISC 0x06 /* gdc misc register */
#define GDC_COLORCARE 0x07 /* color care register */
#define GDC_BITMASK 0x08 /* bit mask register */
/* WD/Paradise only */
#define GDC_BANKSWA 0x09 /* PR0A - bank switch a */
#define GDC_BANKSWB 0x0a /* PR0B - bank switch b */
#define GDC_MEMSIZE 0x0b /* PR1 memory size */
#define GDC_VIDEOSEL 0x0c /* PR2 video configuration */
#define GDC_CRTCNTL 0x0d /* PR3 crt address control */
#define GDC_VIDEOCNTL 0x0e /* PR4 video control */
#define GDC_PR5GPLOCK 0x0f /* PR5 gp status and lock */
/* Video 7 */
#define GDC_DATALATCH 0x22 /* gdc data latch */
/*---------------------------------------------------------------------------*
* VGA ATTRIBUTE CONTROLLER Registers (3C0 and 3C1)
*---------------------------------------------------------------------------*/
#define ATC_INDEX 0x3C0 /* index register AND */
#define ATC_DATAW 0x3C0 /* data write !!! */
#define ATC_DATAR 0x3C1 /* data read */
#define ATC_ACCESS 0x20 /* access bit in ATC index register */
#define ATC_PALETTE0 0x00 /* color palette register 0 */
#define ATC_PALETTE1 0x01 /* color palette register 1 */
#define ATC_PALETTE2 0x02 /* color palette register 2 */
#define ATC_PALETTE3 0x03 /* color palette register 3 */
#define ATC_PALETTE4 0x04 /* color palette register 4 */
#define ATC_PALETTE5 0x05 /* color palette register 5 */
#define ATC_PALETTE6 0x06 /* color palette register 6 */
#define ATC_PALETTE7 0x07 /* color palette register 7 */
#define ATC_PALETTE8 0x08 /* color palette register 8 */
#define ATC_PALETTE9 0x09 /* color palette register 9 */
#define ATC_PALETTEA 0x0A /* color palette register 10 */
#define ATC_PALETTEB 0x0B /* color palette register 11 */
#define ATC_PALETTEC 0x0C /* color palette register 12 */
#define ATC_PALETTED 0x0D /* color palette register 13 */
#define ATC_PALETTEE 0x0E /* color palette register 14 */
#define ATC_PALETTEF 0x0F /* color palette register 15 */
#define ATC_MODE 0x10 /* atc mode register */
#define ATC_OVERSCAN 0x11 /* overscan register */
#define ATC_COLPLEN 0x12 /* color plane enable register */
#define ATC_HORPIXPAN 0x13 /* horizontal pixel panning */
#define ATC_COLRESET 0x14 /* color reset */
#define ATC_MISC 0x16 /* misc register (ET3000/ET4000) */
/*---------------------------------------------------------------------------*
* VGA palette handling (output DAC palette)
*---------------------------------------------------------------------------*/
#define VGA_DAC 0x3C6 /* vga dac address */
#define VGA_PMSK 0x3F /* palette mask, 64 distinct values */
#define NVGAPEL 256 /* number of palette entries */
/*---------------------------------------------------------------------------*
* function key labels
*---------------------------------------------------------------------------*/
#define LABEL_LEN 9 /* length of one label */
#define LABEL_MID 8 /* mid-part (row/col) */
#define LABEL_ROWH ((4*LABEL_LEN)+1)
#define LABEL_ROWL ((4*LABEL_LEN)+2)
#define LABEL_COLU ((4*LABEL_LEN)+4)
#define LABEL_COLH ((4*LABEL_LEN)+5)
#define LABEL_COLL ((4*LABEL_LEN)+6)
/* tab setting */
#define MAXTAB 132 /* no of possible tab stops */
/* escape detection state machine */
#define STATE_INIT 0 /* normal */
#define STATE_ESC 1 /* got ESC */
#define STATE_BLANK 2 /* got ESC space*/
#define STATE_HASH 3 /* got ESC # */
#define STATE_BROPN 4 /* got ESC ( */
#define STATE_BRCLO 5 /* got ESC ) */
#define STATE_CSI 6 /* got ESC [ */
#define STATE_CSIQM 7 /* got ESC [ ? */
#define STATE_AMPSND 8 /* got ESC & */
#define STATE_STAR 9 /* got ESC * */
#define STATE_PLUS 10 /* got ESC + */
#define STATE_DCS 11 /* got ESC P */
#define STATE_SCA 12 /* got ESC <Ps> " */
#define STATE_STR 13 /* got ESC ! */
#define STATE_MINUS 14 /* got ESC - */
#define STATE_DOT 15 /* got ESC . */
#define STATE_SLASH 16 /* got ESC / */
/* for storing escape sequence parameters */
#define MAXPARMS 10 /* maximum no of parms */
/* terminal responses */
#define DA_VT220 "\033[?62;1;2;6;7;8;9c"
/* sub-states for Device Control String processing */
#define DCS_INIT 0 /* got ESC P ... */
#define DCS_AND_UDK 1 /* got ESC P ... | */
#define DCS_UDK_DEF 2 /* got ESC P ... | fnckey / */
#define DCS_UDK_ESC 3 /* got ESC P ... | fnckey / ... ESC */
#define DCS_DLD_DSCS 4 /* got ESC P ... { */
#define DCS_DLD_DEF 5 /* got ESC P ... { dscs */
#define DCS_DLD_ESC 6 /* got ESC P ... { dscs ... / ... ESC */
/* vt220 user defined keys and vt220 downloadable charset */
#define MAXUDKDEF 300 /* max 256 char + 1 '\0' + space.. */
#define MAXUDKEYS 18 /* plus holes .. */
#define DSCS_LENGTH 3 /* descriptor length */
#define MAXSIXEL 8 /* sixels forever ! */
/* sub-states for HP-terminal emulator */
#define SHP_INIT 0
/* esc & f family */
#define SHP_AND_F 1
#define SHP_AND_Fa 2
#define SHP_AND_Fak 3
#define SHP_AND_Fak1 4
#define SHP_AND_Fakd 5
#define SHP_AND_FakdL 6
#define SHP_AND_FakdLl 7
#define SHP_AND_FakdLls 8
/* esc & j family */
#define SHP_AND_J 9
#define SHP_AND_JL 10
/* esc & every-thing-else */
#define SHP_AND_ETE 11
/* additionals for function key labels */
#define MAX_LABEL 16
#define MAX_STRING 80
#define MAX_STATUS 160
/* MAX values for screen sizes for possible video adaptors */
#define MAXROW_MDACGA 25 /* MDA/CGA can do 25 x 80 max */
#define MAXCOL_MDACGA 80
#define MAXROW_EGA 43 /* EGA can do 43 x 80 max */
#define MAXCOL_EGA 80
#define MAXROW_VGA 50 /* VGA can do 50 x 80 max */
#define MAXCOL_VGA 80
#define MAXCOL_SVGA 132 /* Super VGA can do 50 x 132 max */
/* switch 80/132 columns */
#define SCR_COL80 80 /* in 80 col mode */
#define SCR_COL132 132 /* in 132 col mode */
#define MAXDECSCA (((MAXCOL_SVGA * MAXROW_VGA) \
/ (8 * sizeof(unsigned int)) ) + 1 )
/* screen memory start, monochrome */
#ifndef MONO_BUF
#define MONO_BUF (KERNBASE+0xB0000)
#endif
/* screen memory start, color */
#ifndef CGA_BUF
#define CGA_BUF (KERNBASE+0xB8000)
#endif
#define CHR 2 /* bytes per word in screen mem */
#define NVGAFONTS 8 /* number of vga fonts loadable */
#define MAXKEYNUM 127 /* max no of keys in table */
/* charset tables */
#define CSL 0x0000 /* ega/vga charset, lower half of 512 */
#define CSH 0x0800 /* ega/vga charset, upper half of 512 */
#define CSSIZE 96 /* (physical) size of a character set */
/* charset designations */
#define D_G0 0 /* designated as G0 */
#define D_G1 1 /* designated as G1 */
#define D_G2 2 /* designated as G2 */
#define D_G3 3 /* designated as G3 */
#define D_G1_96 4 /* designated as G1 for 96-char charsets */
#define D_G2_96 5 /* designated as G2 for 96-char charsets */
#define D_G3_96 6 /* designated as G3 for 96-char charsets */
/* which fkey-labels */
#define SYS_FKL 0 /* in hp mode, sys-fkls are active */
#define USR_FKL 1 /* in hp mode, user-fkls are active */
/* arguments to async_update() */
#define UPDATE_START ((void *)0) /* do cursor update and requeue */
#define UPDATE_STOP ((void *)1) /* suspend cursor updates */
#define UPDATE_KERN ((void *)2) /* do cursor updates for kernel output */
/*===========================================================================*
* variables
*===========================================================================*/
u_char *more_chars; /* response buffer via kbd */
u_char color; /* color or mono display */
u_short kern_attr; /* kernel messages char attributes */
u_short user_attr; /* character attributes */
struct tty pcvt_tty[PCVT_NSCREENS];
struct sixels {
u_char lower[MAXSIXEL]; /* lower half of char */
u_char upper[MAXSIXEL]; /* upper half of char */
};
struct udkentry {
u_char first[MAXUDKEYS]; /* index to first char */
u_char length[MAXUDKEYS]; /* length of this entry */
};
/* VGA palette handling */
struct rgb {
u_char r, g, b; /* red/green/blue, valid 0..VGA_PMSK */
};
typedef struct video_state {
u_short *Crtat; /* video page start addr */
u_short *Memory; /* malloc'ed memory start address */
struct tty *vs_tty; /* pointer to this screen's tty */
u_char maxcol; /* 80 or 132 cols on screen */
u_char row, col; /* current cursor position */
u_short c_attr; /* current character attributes */
u_char vtsgr; /* current sgr configuration */
u_short cur_offset; /* current cursor position offset */
u_char bell_on; /* flag, bell enabled */
u_char sevenbit; /* flag, data path 7 bits wide */
u_char dis_fnc; /* flag, display functions enable */
u_char transparent; /* flag, mk path tmp trnsprnt for ctls*/
u_char scrr_beg; /* scrolling region, begin */
u_char scrr_len; /* scrolling region, length */
u_char scrr_end; /* scrolling region, end */
u_char screen_rows; /* screen size, length - status lines */
u_char screen_rowsize; /* screen size, length */
u_char vga_charset; /* VGA character set value */
u_char lastchar; /* flag, vt100 behaviour of last char */
u_char lastrow; /* save row, --------- " ----------- */
u_char *report_chars; /* ptr, status reports from terminal */
u_char report_count; /* count, ----------- " ------------ */
u_char state; /* escape sequence state machine */
u_char m_awm; /* flag, vt100 mode, auto wrap */
u_char m_om; /* flag, vt100 mode, origin mode */
u_char sc_flag; /* flag, vt100 mode,saved parms valid */
u_char sc_row; /* saved row */
u_char sc_col; /* saved col */
u_short sc_cur_offset; /* saved cursor addr offset */
u_short sc_attr; /* saved attributes */
u_char sc_vtsgr; /* saved sgr configuration */
u_char sc_awm; /* saved auto wrap mode */
u_char sc_om; /* saved origin mode */
u_short *sc_G0; /* save G0 ptr */
u_short *sc_G1; /* save G1 ptr */
u_short *sc_G2; /* save G2 ptr */
u_short *sc_G3; /* save G3 ptr */
u_short **sc_GL; /* save GL ptr */
u_short **sc_GR; /* save GR ptr */
u_char sc_sel; /* selective erase state */
u_char ufkl[8][17]; /* user fkey-labels */
u_char sfkl[8][17]; /* system fkey-labels */
u_char labels_on; /* display fkey labels etc. on/off */
u_char which_fkl; /* which fkey labels are active */
char tab_stops[MAXTAB]; /* table of active tab stops */
u_char parmi; /* parameter index */
u_char parms[MAXPARMS]; /* parameter array */
u_char hp_state; /* hp escape sequence state machine */
u_char attribute; /* attribute normal, tx only, local */
u_char key; /* fkey label no */
u_char l_len; /* buffer length's */
u_char s_len;
u_char m_len;
u_char i; /* help (got short of names ...) */
u_char l_buf[MAX_LABEL+1]; /* buffers */
u_char s_buf[MAX_STRING+1];
u_char m_buf[MAX_STATUS+1];
u_char openf; /* we are opened ! */
u_char vt_pure_mode; /* no fkey labels, row/col, status */
u_char cursor_start; /* Start of cursor */
u_char cursor_end; /* End of cursor */
u_char cursor_on; /* cursor switched on */
u_char ckm; /* true = cursor key normal mode */
u_char irm; /* true = insert mode */
u_char lnm; /* Line Feed/New Line Mode */
u_char dcs_state; /* dcs escape sequence state machine */
u_char udk_def[MAXUDKDEF]; /* new definitions for vt220 FKeys */
u_char udk_defi; /* index for FKey definitions */
u_char udk_deflow; /* low or high nibble in sequence */
u_char udk_fnckey; /* function key to assign to */
u_char dld_dscs[DSCS_LENGTH]; /* designate soft character set id */
u_char dld_dscsi; /* index for dscs */
u_char dld_sixel_lower; /* upper/lower sixels of character */
u_char dld_sixelli; /* index for lower sixels */
u_char dld_sixelui; /* index for upper sixels */
struct sixels sixel; /* structure for storing char sixels */
u_char selchar; /* true = selective attribute on */
u_int decsca[MAXDECSCA]; /* Select Character Attrib bit array */
u_short **GL; /* ptr to current GL conversion table*/
u_short **GR; /* ptr to current GR conversion table*/
u_short *G0; /* ptr to current G0 conversion table*/
u_short *G1; /* ptr to current G1 conversion table*/
u_char force24; /* force 24 lines in DEC 25 and HP 28*/
u_short *G2; /* ptr to current G2 conversion table*/
u_short *G3; /* ptr to current G3 conversion table*/
u_char dld_id[DSCS_LENGTH+1]; /* soft character set id */
u_char which[DSCS_LENGTH+1]; /* which set to designate */
u_char whichi; /* index into which .. */
u_char ss; /* flag, single shift G2 / G3 -> GL */
u_short **Gs; /* ptr to cur. G2/G3 conversion table*/
u_char udkbuf[MAXUDKDEF]; /* buffer for user defined keys */
struct udkentry ukt; /* index & length for each udk */
u_char udkff; /* index into buffer first free entry*/
struct rgb palette[NVGAPEL]; /* saved VGA DAC palette */
u_char wd132col; /* we are on a wd vga and in 132 col */
u_char scroll_lock; /* scroll lock active */
u_char caps_lock; /* caps lock active */
u_char shift_lock; /* shiftlock flag (virtual ..) */
u_char num_lock; /* num lock, true = keypad num mode */
u_char abs_write; /* write outside of scroll region */
u_short *Scrollback; /* scrollback buffer */
u_short scrollback_pages; /* size of scrollback buffer */
u_short scr_offset; /* current scrollback offset (lines) */
short scrolling; /* current scrollback page */
u_short max_off; /* maximum scrollback offset */
#ifdef XSERVER
struct vt_mode smode;
struct proc *proc;
pid_t pid;
unsigned vt_status;
#define VT_WAIT_REL 1 /* wait till process released vt */
#define VT_WAIT_ACK 2 /* wait till process ack vt acquire */
#define VT_GRAFX 4 /* vt runs graphics mode */
#define VT_WAIT_ACT 8 /* a process is sleeping on this vt */
/* becoming active */
#endif /* XSERVER */
} video_state;
video_state vs[PCVT_NSCREENS]; /* parameters for screens */
struct vga_char_state {
int loaded; /* Whether a font is loaded here */
int secondloaded; /* an extension characterset was loaded, */
/* the number is found here */
u_char char_scanlines; /* Scanlines per character */
u_char scr_scanlines; /* Low byte of scanlines per screen */
int screen_size; /* Screen size in SIZ_YYROWS */
};
struct vga_char_state vgacs[NVGAFONTS]; /* Character set states */
u_short *Crtat; /* screen start address */
#ifdef MAIN
u_char fgansitopc[] = { /* foreground ANSI color -> pc */
FG_BLACK, FG_RED, FG_GREEN, FG_BROWN, FG_BLUE,
FG_MAGENTA, FG_CYAN, FG_LIGHTGREY
};
u_char bgansitopc[] = { /* background ANSI color -> pc */
BG_BLACK, BG_RED, BG_GREEN, BG_BROWN, BG_BLUE,
BG_MAGENTA, BG_CYAN, BG_LIGHTGREY
};
struct tty *pcvt_ttyp = &pcvt_tty[0]; /* ptr to current device */
video_state *vsp = &vs[0]; /* ptr to current screen parms */
#ifdef XSERVER
int vt_switch_pending = 0; /* if > 0, a vt switch is */
#endif /* XSERVER */ /* pending; contains the # */
/* of the old vt + 1 */
u_int addr_6845 = MONO_BASE; /* crtc base addr */
u_char do_initialization = 1; /* we have to init ourselves */
u_char pcvt_is_console = 0; /* until we know it */
u_char shift_down = 0; /* shift key down flag */
u_char ctrl_down = 0; /* ctrl key down flag */
u_char meta_down = 0; /* alt key down flag */
u_char altgr_down = 0; /* altgr key down flag */
u_char kbrepflag = 1; /* key repeat flag */
u_char totalscreens = 1; /* screens available */
u_char current_video_screen = 0; /* displayed screen no */
u_char adaptor_type = UNKNOWN_ADAPTOR;/* adaptor type */
u_char vga_type = VGA_UNKNOWN; /* vga chipset */
u_char can_do_132col = 0; /* vga chipset can 132 cols */
u_char vga_family = 0; /* vga manufacturer */
u_char totalfonts = 0; /* fonts available */
u_char chargen_access = 0; /* synchronize access */
u_char keyboard_type = KB_UNKNOWN; /* type of keyboard */
u_char keyboard_is_initialized = 0; /* for ddb sanity */
u_char kbd_polling = 0; /* keyboard is being polled */
u_char reset_keyboard = 0; /* OK to reset keyboard */
keyboard_t *kbd = NULL;
#if PCVT_SHOWKEYS
u_char keyboard_show = 0; /* normal display */
#endif /* PCVT_SHOWKEYS */
u_char cursor_pos_valid = 0; /* sput left a valid position*/
u_char critical_scroll = 0; /* inside scrolling up */
int switch_page = -1; /* which page to switch to */
#if PCVT_SCREENSAVER
u_char reset_screen_saver = 1; /* reset the saver next time */
u_char scrnsv_active = 0; /* active flag */
#endif /* PCVT_SCREENSAVER */
#ifdef XSERVER
unsigned scrnsv_timeout = 0; /* initially off */
u_char pcvt_kbd_raw = 0; /* keyboard sends scans */
#endif /* XSERVER */
u_char *saved_charsets[NVGAFONTS] = {0}; /* backup copy of fonts */
/*---------------------------------------------------------------------------
VT220 attributes -> internal emulator attributes conversion tables
be careful when designing color combinations, because on
EGA and VGA displays, bit 3 of the attribute byte is used
for characterset switching, and is no longer available for
foreground intensity (bold)!
---------------------------------------------------------------------------*/
/* color displays */
u_char sgr_tab_color[16] = {
/*00*/ (BG_BLACK | FG_LIGHTGREY), /* normal */
/*01*/ (BG_BLUE | FG_LIGHTGREY), /* bold */
/*02*/ (BG_BROWN | FG_LIGHTGREY), /* underline */
/*03*/ (BG_MAGENTA | FG_LIGHTGREY), /* bold+underline */
/*04*/ (BG_BLACK | FG_LIGHTGREY | FG_BLINK), /* blink */
/*05*/ (BG_BLUE | FG_LIGHTGREY | FG_BLINK), /* bold+blink */
/*06*/ (BG_BROWN | FG_LIGHTGREY | FG_BLINK), /* underline+blink */
/*07*/ (BG_MAGENTA | FG_LIGHTGREY | FG_BLINK), /* bold+underline+blink */
/*08*/ (BG_LIGHTGREY | FG_BLACK), /* invers */
/*09*/ (BG_LIGHTGREY | FG_BLUE), /* bold+invers */
/*10*/ (BG_LIGHTGREY | FG_BROWN), /* underline+invers */
/*11*/ (BG_LIGHTGREY | FG_MAGENTA), /* bold+underline+invers*/
/*12*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK), /* blink+invers */
/*13*/ (BG_LIGHTGREY | FG_BLUE | FG_BLINK), /* bold+blink+invers */
/*14*/ (BG_LIGHTGREY | FG_BROWN | FG_BLINK), /* underline+blink+invers*/
/*15*/ (BG_LIGHTGREY | FG_MAGENTA | FG_BLINK) /*bold+underl+blink+invers*/
};
/* monochrome displays (VGA version, no intensity) */
u_char sgr_tab_mono[16] = {
/*00*/ (BG_BLACK | FG_LIGHTGREY), /* normal */
/*01*/ (BG_BLACK | FG_UNDERLINE), /* bold */
/*02*/ (BG_BLACK | FG_UNDERLINE), /* underline */
/*03*/ (BG_BLACK | FG_UNDERLINE), /* bold+underline */
/*04*/ (BG_BLACK | FG_LIGHTGREY | FG_BLINK), /* blink */
/*05*/ (BG_BLACK | FG_UNDERLINE | FG_BLINK), /* bold+blink */
/*06*/ (BG_BLACK | FG_UNDERLINE | FG_BLINK), /* underline+blink */
/*07*/ (BG_BLACK | FG_UNDERLINE | FG_BLINK), /* bold+underline+blink */
/*08*/ (BG_LIGHTGREY | FG_BLACK), /* invers */
/*09*/ (BG_LIGHTGREY | FG_BLACK), /* bold+invers */
/*10*/ (BG_LIGHTGREY | FG_BLACK), /* underline+invers */
/*11*/ (BG_LIGHTGREY | FG_BLACK), /* bold+underline+invers*/
/*12*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK), /* blink+invers */
/*13*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK), /* bold+blink+invers */
/*14*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK), /* underline+blink+invers*/
/*15*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK) /*bold+underl+blink+invers*/
};
/* monochrome displays (MDA version, with intensity) */
u_char sgr_tab_imono[16] = {
/*00*/ (BG_BLACK | FG_LIGHTGREY), /* normal */
/*01*/ (BG_BLACK | FG_LIGHTGREY | FG_INTENSE), /* bold */
/*02*/ (BG_BLACK | FG_UNDERLINE), /* underline */
/*03*/ (BG_BLACK | FG_UNDERLINE | FG_INTENSE), /* bold+underline */
/*04*/ (BG_BLACK | FG_LIGHTGREY | FG_BLINK), /* blink */
/*05*/ (BG_BLACK | FG_LIGHTGREY | FG_INTENSE | FG_BLINK), /* bold+blink */
/*06*/ (BG_BLACK | FG_UNDERLINE | FG_BLINK), /* underline+blink */
/*07*/ (BG_BLACK | FG_UNDERLINE | FG_BLINK | FG_INTENSE), /* bold+underline+blink */
/*08*/ (BG_LIGHTGREY | FG_BLACK), /* invers */
/*09*/ (BG_LIGHTGREY | FG_BLACK | FG_INTENSE), /* bold+invers */
/*10*/ (BG_LIGHTGREY | FG_BLACK), /* underline+invers */
/*11*/ (BG_LIGHTGREY | FG_BLACK | FG_INTENSE), /* bold+underline+invers*/
/*12*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK), /* blink+invers */
/*13*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK | FG_INTENSE),/* bold+blink+invers*/
/*14*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK), /* underline+blink+invers*/
/*15*/ (BG_LIGHTGREY | FG_BLACK | FG_BLINK | FG_INTENSE) /* bold+underl+blink+invers */
};
u_char pcvt_kbd_fifo[PCVT_KBD_FIFO_SZ];
int pcvt_kbd_rptr = 0;
int pcvt_kbd_count= 0;
#else /* ! MAIN */
extern u_char pcvt_kbd_fifo[];
extern int pcvt_kbd_rptr;
extern int pcvt_kbd_count;
extern u_char vga_type;
extern struct tty *pcvt_ttyp;
extern video_state *vsp;
#ifdef XSERVER
extern int vt_switch_pending;
#endif /* XSERVER */
extern u_int addr_6845;
extern u_char do_initialization;
extern u_char pcvt_is_console;
extern u_char bgansitopc[];
extern u_char fgansitopc[];
extern u_char shift_down;
extern u_char ctrl_down;
extern u_char meta_down;
extern u_char altgr_down;
extern u_char kbrepflag;
extern u_char adaptor_type;
extern u_char current_video_screen;
extern u_char totalfonts;
extern u_char totalscreens;
extern u_char chargen_access;
extern u_char keyboard_type;
extern u_char can_do_132col;
extern u_char vga_family;
extern u_char keyboard_is_initialized;
extern u_char kbd_polling;
extern u_char reset_keyboard;
extern keyboard_t *kbd;
#if PCVT_SHOWKEYS
extern u_char keyboard_show;
#endif /* PCVT_SHOWKEYS */
extern u_char cursor_pos_valid;
extern u_char critical_scroll;
extern int switch_page;
#if PCVT_SCREENSAVER
extern u_char reset_screen_saver;
extern u_char scrnsv_active;
#endif /* PCVT_SCREENSAVER */
extern u_char sgr_tab_color[];
extern u_char sgr_tab_mono[];
extern u_char sgr_tab_imono[];
#ifdef XSERVER
extern unsigned scrnsv_timeout;
extern u_char pcvt_xmode;
extern u_char pcvt_kbd_raw;
#endif /* XSERVER */
extern u_char *saved_charsets[NVGAFONTS];
#endif /* MAIN */
/*===========================================================================*
* forward declarations
*===========================================================================*/
void async_update ( void *arg );
void clr_parms ( struct video_state *svsp );
void cons_highlight ( void );
void cons_normal ( void );
void dprintf ( unsigned flgs, const char *fmt, ... );
int egavga_test ( void );
void fkl_off ( struct video_state *svsp );
void fkl_on ( struct video_state *svsp );
#ifdef XSERVER
void get_usl_keymap( keymap_t *map );
#endif
void init_sfkl ( struct video_state *svsp );
void init_ufkl ( struct video_state *svsp );
int kbdioctl ( dev_t dev, int cmd, caddr_t data, int flag );
void kbd_code_init ( void );
void kbd_code_init1 ( void );
#if PCVT_SCANSET > 1
void kbd_emulate_pc(int do_emulation);
#endif
void loadchar ( int fontset, int character, int char_scanlines, u_char *char_table );
void mda2egaorvga ( void );
void pcvt_rint(int unit);
#if PCVT_SCREENSAVER
void pcvt_scrnsv_reset ( void );
#ifdef XSERVER
void pcvt_set_scrnsv_tmo ( int );
#endif
#endif
void reallocate_scrollbuffer ( struct video_state *svsp, int pages );
#ifdef XSERVER
void reset_usl_modes (struct video_state *vsx);
#endif
void roll_up ( struct video_state *svsp, int n );
void select_vga_charset ( int vga_charset );
void set_2ndcharset ( void );
void set_charset ( struct video_state *svsp, int curvgacs );
void set_emulation_mode ( struct video_state *svsp, int mode );
void set_screen_size ( struct video_state *svsp, int size );
u_char *sgetc ( int noblock );
void sixel_vga ( struct sixels *charsixel, u_char *charvga );
void sput ( u_char *s, int attrib, int len, int page );
#ifdef XSERVER
void switch_screen ( int n, int oldgrafx, int newgrafx );
#endif
void swritefkl ( int num, u_char *string, struct video_state *svsp );
void sw_cursor ( int onoff );
void sw_sfkl ( struct video_state *svsp );
void sw_ufkl ( struct video_state *svsp );
void toggl_24l ( struct video_state *svsp );
void toggl_awm ( struct video_state *svsp );
void toggl_bell ( struct video_state *svsp );
void toggl_columns ( struct video_state *svsp );
void toggl_dspf ( struct video_state *svsp );
void toggl_sevenbit ( struct video_state *svsp );
void update_hp ( struct video_state *svsp );
void update_led ( void );
#ifdef XSERVER
int usl_vt_ioctl (dev_t dev, int cmd, caddr_t data, int flag, struct thread *);
#endif
void vga10_vga10 ( u_char *invga, u_char *outvga );
void vga10_vga14 ( u_char *invga, u_char *outvga );
void vga10_vga16 ( u_char *invga, u_char *outvga );
void vga10_vga8 ( u_char *invga, u_char *outvga );
int vgaioctl ( dev_t dev, int cmd, caddr_t data, int flag );
#ifdef XSERVER
int vgapage ( int n );
#else
void vgapage ( int n );
#endif
void vgapaletteio ( unsigned idx, struct rgb *val, int writeit );
char *vga_string ( int number );
u_char vga_chipset ( void );
int vga_col ( struct video_state *svsp, int cols );
void vga_move_charset ( unsigned n, unsigned char *b, int save_it);
void vga_screen_off ( void );
void vga_screen_on ( void );
int vga_test ( void );
#ifdef XSERVER
int vt_activate ( int newscreen );
#endif
void vt_aln ( struct video_state *svsp );
void vt_clearudk ( struct video_state *svsp );
void vt_clreol ( struct video_state *svsp );
void vt_clreos ( struct video_state *svsp );
void vt_clrtab ( struct video_state *svsp );
int vt_col ( struct video_state *svsp, int cols );
void vt_coldmalloc ( void );
void vt_cub ( struct video_state *svsp );
void vt_cud ( struct video_state *svsp );
void vt_cuf ( struct video_state *svsp );
void vt_curadr ( struct video_state *svsp );
void vt_cuu ( struct video_state *svsp );
void vt_da ( struct video_state *svsp );
void vt_dch ( struct video_state *svsp );
void vt_dcsentry ( int ch, struct video_state *svsp );
void vt_designate ( struct video_state *svsp);
void vt_dl ( struct video_state *svsp );
void vt_dld ( struct video_state *svsp );
void vt_dsr ( struct video_state *svsp );
void vt_ech ( struct video_state *svsp );
void vt_ic ( struct video_state *svsp );
void vt_il ( struct video_state *svsp );
void vt_ind ( struct video_state *svsp );
void vt_initsel ( struct video_state *svsp );
void vt_keyappl ( struct video_state *svsp );
void vt_keynum ( struct video_state *svsp );
void vt_mc ( struct video_state *svsp );
void vt_nel ( struct video_state *svsp );
void vt_rc ( struct video_state *svsp );
void vt_reqtparm ( struct video_state *svsp );
void vt_reset_ansi ( struct video_state *svsp );
void vt_reset_dec_priv_qm ( struct video_state *svsp );
void vt_ri ( struct video_state *svsp );
void vt_ris ( struct video_state *svsp );
void vt_sc ( struct video_state *svsp );
void vt_sca ( struct video_state *svsp );
void vt_sd ( struct video_state *svsp );
void vt_sed ( struct video_state *svsp );
void vt_sel ( struct video_state *svsp );
void vt_set_ansi ( struct video_state *svsp );
void vt_set_dec_priv_qm ( struct video_state *svsp );
void vt_sgr ( struct video_state *svsp );
void vt_stbm ( struct video_state *svsp );
void vt_str ( struct video_state *svsp );
void vt_su ( struct video_state *svsp );
void vt_tst ( struct video_state *svsp );
void vt_udk ( struct video_state *svsp );
#ifdef PCVT_INCLUDE_VT_SELATTR
/*---------------------------------------------------------------------------*
* set selective attribute if appropriate
*---------------------------------------------------------------------------*/
#define INT_BITS (sizeof(unsigned int) * 8)
#define INT_INDEX(n) ((n) / INT_BITS)
#define BIT_INDEX(n) ((n) % INT_BITS)
static __inline void
vt_selattr(struct video_state *svsp)
{
int i;
i = (svsp->Crtat + svsp->cur_offset) - svsp->Crtat;
if(svsp->selchar)
svsp->decsca[INT_INDEX(i)] |= (1 << BIT_INDEX(i));
else
svsp->decsca[INT_INDEX(i)] &= ~(1 << BIT_INDEX(i));
}
#endif /* PCVT_INCLUDE_VT_SELATTR */
/*---------------------------------- E O F ----------------------------------*/
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