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freebsd-dev/sys/i386/isa/pcvt/pcvt_hdr.h

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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/kdb.h>
#include <sys/kernel.h>
#include <sys/module.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
*===========================================================================*/
#ifdef MAIN
# define EXTERN /* actually define variables when included from pcvt_drv.c */
#else
# define EXTERN extern /* declare them only */
#endif
EXTERN u_char *more_chars; /* response buffer via kbd */
EXTERN u_char color; /* color or mono display */
EXTERN u_short kern_attr; /* kernel messages char attributes */
EXTERN u_short user_attr; /* character attributes */
EXTERN 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_short 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_short 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_short 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;
EXTERN 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 */
};
EXTERN struct vga_char_state vgacs[NVGAFONTS]; /* Character set states */
EXTERN 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
};
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;
struct consdev *pcvt_consptr = 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 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;
extern struct consdev *pcvt_consptr;
#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 ( struct cdev *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 (struct cdev *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 ( struct cdev *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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