syscons.h revision 8017
1/*- 2 * Copyright (c) 1995 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $Id: syscons.h,v 1.7 1995/04/04 20:04:17 sos Exp $ 29 */ 30 31#ifndef SYSCONS_H 32#define SYSCONS_H 33 34/* vm things */ 35#define ISMAPPED(pa, width) \ 36 (((pa) <= (u_long)0x1000 - (width)) \ 37 || ((pa) >= 0xa0000 && (pa) <= 0x100000 - (width))) 38#define pa_to_va(pa) (KERNBASE + (pa)) /* works if ISMAPPED(pa...) */ 39 40/* printable chars */ 41#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 42 || (ch) < 0x07) 43 44/* macros for "intelligent" screen update */ 45#define mark_for_update(scp, x) {\ 46 if ((x) < scp->start) scp->start = (x);\ 47 else if ((x) > scp->end) scp->end = (x);\ 48 } 49#define mark_all(scp) {\ 50 scp->start = 0;\ 51 scp->end = scp->xsize * scp->ysize;\ 52 } 53 54/* status flags */ 55#define LOCK_KEY_MASK 0x0000F 56#define LED_MASK 0x00007 57#define UNKNOWN_MODE 0x00010 58#define KBD_RAW_MODE 0x00020 59#define SWITCH_WAIT_REL 0x00040 60#define SWITCH_WAIT_ACQ 0x00080 61#define BUFFER_SAVED 0x00100 62#define CURSOR_ENABLED 0x00200 63#define CURSOR_SHOWN 0x00400 64#define MOUSE_ENABLED 0x00800 65#define UPDATE_MOUSE 0x01000 66 67/* configuration flags */ 68#define VISUAL_BELL 0x00001 69#define BLINK_CURSOR 0x00002 70#define CHAR_CURSOR 0x00004 71 72/* video hardware memory addresses */ 73#define VIDEOMEM 0x000A0000 74 75/* misc defines */ 76#define FALSE 0 77#define TRUE 1 78#define MAX_ESC_PAR 5 79#define LOAD 1 80#define SAVE 0 81#define COL 80 82#define ROW 25 83#define BELL_DURATION 5 84#define BELL_PITCH 800 85#define TIMER_FREQ 1193182 /* should be in isa.h */ 86#define CONSOLE_BUFSIZE 1024 87#define PCBURST 128 88#define FONT_8 0x001 89#define FONT_14 0x002 90#define FONT_16 0x004 91#define HISTORY_SIZE 100*80 92 93/* defines related to hardware addresses */ 94#define MONO_BASE 0x3B4 /* crt controller base mono */ 95#define COLOR_BASE 0x3D4 /* crt controller base color */ 96#define MISC 0x3C2 /* misc output register */ 97#define ATC IO_VGA+0x00 /* attribute controller */ 98#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 99#define TSREG IO_VGA+0x05 /* timing sequencer data */ 100#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 101#define PALRADR IO_VGA+0x07 /* palette read address */ 102#define PALWADR IO_VGA+0x08 /* palette write address */ 103#define PALDATA IO_VGA+0x09 /* palette data register */ 104#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 105#define GDCREG IO_VGA+0x0F /* graph data controller data */ 106 107/* special characters */ 108#define cntlc 0x03 109#define cntld 0x04 110#define bs 0x08 111#define lf 0x0a 112#define cr 0x0d 113#define del 0x7f 114 115#define DEAD_CHAR 0x07 /* char used for cursor */ 116 117typedef struct term_stat { 118 int esc; /* processing escape sequence */ 119 int num_param; /* # of parameters to ESC */ 120 int last_param; /* last parameter # */ 121 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 122 int cur_attr; /* current attributes */ 123 int std_attr; /* normal attributes */ 124 int rev_attr; /* reverse attributes */ 125} term_stat; 126 127typedef struct scr_stat { 128 u_short *scr_buf; /* buffer when off screen */ 129 int xpos; /* current X position */ 130 int ypos; /* current Y position */ 131 int xsize; /* X size */ 132 int ysize; /* Y size */ 133 int start; /* modified area start */ 134 int end; /* modified area end */ 135 term_stat term; /* terminal emulation stuff */ 136 int status; /* status (bitfield) */ 137 u_short *cursor_pos; /* cursor buffer position */ 138 u_short cursor_saveunder; /* saved chars under cursor */ 139 char cursor_start; /* cursor start line # */ 140 char cursor_end; /* cursor end line # */ 141 u_short *mouse_pos; /* mouse buffer position */ 142 u_short *mouse_oldpos; /* mouse old buffer position */ 143 u_short mouse_saveunder[4]; /* saved chars under mouse */ 144 short mouse_xpos; /* mouse x coordinate */ 145 short mouse_ypos; /* mouse y coordinate */ 146 u_char mouse_cursor[128]; /* mouse cursor bitmap store */ 147 u_short bell_duration; 148 u_short bell_pitch; 149 u_char border; /* border color */ 150 u_char mode; /* mode */ 151 u_char font; /* font on this screen */ 152 pid_t pid; /* pid of controlling proc */ 153 struct proc *proc; /* proc* of controlling proc */ 154 struct vt_mode smode; /* switch mode */ 155 u_short *history; /* circular history buffer */ 156 u_short *history_head; /* current head position */ 157 u_short *history_pos; /* position shown on screen */ 158 u_short *history_save; /* save area index */ 159 int history_size; /* size of history buffer */ 160 struct apmhook r_hook; /* reconfiguration support */ 161} scr_stat; 162 163typedef struct default_attr { 164 int std_attr; /* normal attributes */ 165 int rev_attr; /* reverse attributes */ 166} default_attr; 167 168/* function prototypes */ 169int scprobe(struct isa_device *dev); 170int scattach(struct isa_device *dev); 171int scopen(dev_t dev, int flag, int mode, struct proc *p); 172int scclose(dev_t dev, int flag, int mode, struct proc *p); 173int scread(dev_t dev, struct uio *uio, int flag); 174int scwrite(dev_t dev, struct uio *uio, int flag); 175int scparam(struct tty *tp, struct termios *t); 176int scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 177void scxint(dev_t dev); 178void scstart(struct tty *tp); 179void scintr(int unit); 180int pcmmap(dev_t dev, int offset, int nprot); 181static void scinit(void); 182static u_int scgetc(int noblock); 183 struct tty *scdevtotty(dev_t dev); 184static scr_stat *get_scr_stat(dev_t dev); 185static scr_stat *alloc_scp(); 186static void init_scp(scr_stat *scp); 187static int get_scr_num(); 188static void scrn_timer(); 189static void clear_screen(scr_stat *scp); 190static int switch_scr(scr_stat *scp, u_int next_scr); 191static void exchange_scr(void); 192static inline void move_crsr(scr_stat *scp, int x, int y); 193static void scan_esc(scr_stat *scp, u_char c); 194static inline void draw_cursor(scr_stat *scp, int show); 195static void ansi_put(scr_stat *scp, u_char *buf, int len); 196static u_char *get_fstr(u_int c, u_int *len); 197static void update_leds(int which); 198static void history_to_screen(scr_stat *scp); 199static int history_up_line(scr_stat *scp); 200static int history_down_line(scr_stat *scp); 201static void kbd_wait(void); 202static void kbd_cmd(u_char command); 203static void set_mode(scr_stat *scp); 204 void set_border(int color); 205static void set_vgaregs(char *modetable); 206static void set_font_mode(); 207static void set_normal_mode(); 208static void copy_font(int operation, int font_type, char* font_image); 209static void set_destructive_cursor(scr_stat *scp, int force); 210static void draw_mouse_image(scr_stat *scp); 211static void save_palette(void); 212 void load_palette(void); 213static void do_bell(scr_stat *scp, int pitch, int duration); 214static void blink_screen(scr_stat *scp); 215 216#endif /* SYSCONS_H */ 217