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 1.12 1995/11/04 17:07:52 bde Exp $ 29 */ 30 31 #ifndef _I386_ISA_SYSCONS_H_ 32 #define _I386_ISA_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 /* attribute flags */ 73 #define NORMAL_ATTR 0x00 74 #define BLINK_ATTR 0x01 75 #define BOLD_ATTR 0x02 76 #define UNDERLINE_ATTR 0x04 77 #define REVERSE_ATTR 0x08 78 #define FOREGROUND_CHANGED 0x10 79 #define BACKGROUND_CHANGED 0x20 80 81 /* video hardware memory addresses */ 82 #define VIDEOMEM 0x000A0000 83 84 /* misc defines */ 85 #define FALSE 0 86 #define TRUE 1 87 #define MAX_ESC_PAR 5 88 #define LOAD 1 89 #define SAVE 0 90 #define COL 80 91 #define ROW 25 92 #define BELL_DURATION 5 93 #define BELL_PITCH 800 94 #define TIMER_FREQ 1193182 /* should be in isa.h */ 95 #define CONSOLE_BUFSIZE 1024 96 #define PCBURST 128 97 #define FONT_8 0x001 98 #define FONT_14 0x002 99 #define FONT_16 0x004 100 #define HISTORY_SIZE 100*80 101 102 /* defines related to hardware addresses */ 103 #define MONO_BASE 0x3B4 /* crt controller base mono */ 104 #define COLOR_BASE 0x3D4 /* crt controller base color */ 105 #define MISC 0x3C2 /* misc output register */ 106 #define ATC IO_VGA+0x00 /* attribute controller */ 107 #define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 108 #define TSREG IO_VGA+0x05 /* timing sequencer data */ 109 #define PIXMASK IO_VGA+0x06 /* pixel write mask */ 110 #define PALRADR IO_VGA+0x07 /* palette read address */ 111 #define PALWADR IO_VGA+0x08 /* palette write address */ 112 #define PALDATA IO_VGA+0x09 /* palette data register */ 113 #define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 114 #define GDCREG IO_VGA+0x0F /* graph data controller data */ 115 116 /* special characters */ 117 #define cntlc 0x03 118 #define cntld 0x04 119 #define bs 0x08 120 #define lf 0x0a 121 #define cr 0x0d 122 #define del 0x7f 123 124 #define DEAD_CHAR 0x07 /* char used for cursor */ 125 126 typedef struct term_stat { 127 int esc; /* processing escape sequence */ 128 int num_param; /* # of parameters to ESC */ 129 int last_param; /* last parameter # */ 130 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 131 int cur_attr; /* current hardware attributes word */ 132 int attr_mask; /* current logical attributes mask */ 133 int cur_color; /* current hardware color */ 134 int std_color; /* normal hardware color */ 135 int rev_color; /* reverse hardware color */ 136 } term_stat; 137 138 typedef struct scr_stat { 139 u_short *scr_buf; /* buffer when off screen */ 140 int xpos; /* current X position */ 141 int ypos; /* current Y position */ 142 int xsize; /* X size */ 143 int ysize; /* Y size */ 144 int start; /* modified area start */ 145 int end; /* modified area end */ 146 term_stat term; /* terminal emulation stuff */ 147 int status; /* status (bitfield) */ 148 u_short *cursor_pos; /* cursor buffer position */ 149 u_short cursor_saveunder; /* saved chars under cursor */ 150 char cursor_start; /* cursor start line # */ 151 char cursor_end; /* cursor end line # */ 152 u_short *mouse_pos; /* mouse buffer position */ 153 u_short *mouse_oldpos; /* mouse old buffer position */ 154 u_short mouse_saveunder[4]; /* saved chars under mouse */ 155 short mouse_xpos; /* mouse x coordinate */ 156 short mouse_ypos; /* mouse y coordinate */ 157 u_char mouse_cursor[128]; /* mouse cursor bitmap store */ 158 u_short bell_duration; 159 u_short bell_pitch; 160 u_char border; /* border color */ 161 u_char mode; /* mode */ 162 u_char font; /* font on this screen */ 163 pid_t pid; /* pid of controlling proc */ 164 struct proc *proc; /* proc* of controlling proc */ 165 struct vt_mode smode; /* switch mode */ 166 u_short *history; /* circular history buffer */ 167 u_short *history_head; /* current head position */ 168 u_short *history_pos; /* position shown on screen */ 169 u_short *history_save; /* save area index */ 170 int history_size; /* size of history buffer */ 171 struct apmhook r_hook; /* reconfiguration support */ 172 } scr_stat; 173 174 typedef struct default_attr { 175 int std_color; /* normal hardware color */ 176 int rev_color; /* reverse hardware color */ 177 } default_attr; 178 179 /* function prototypes */ 180 int scprobe(struct isa_device *dev); 181 int scattach(struct isa_device *dev); 182 int scparam(struct tty *tp, struct termios *t); 183 void scstart(struct tty *tp); 184 static void scinit(void); 185 static u_int scgetc(int noblock); 186 static scr_stat *get_scr_stat(dev_t dev); 187 static scr_stat *alloc_scp(void); 188 static void init_scp(scr_stat *scp); 189 static int get_scr_num(void); 190 static void scrn_timer(void); 191 static void clear_screen(scr_stat *scp); 192 static int switch_scr(scr_stat *scp, u_int next_scr); 193 static void exchange_scr(void); 194 static inline void move_crsr(scr_stat *scp, int x, int y); 195 static void scan_esc(scr_stat *scp, u_char c); 196 static inline void draw_cursor(scr_stat *scp, int show); 197 static void ansi_put(scr_stat *scp, u_char *buf, int len); 198 static u_char *get_fstr(u_int c, u_int *len); 199 static void update_leds(int which); 200 static void history_to_screen(scr_stat *scp); 201 static int history_up_line(scr_stat *scp); 202 static int history_down_line(scr_stat *scp); 203 static void kbd_wait(void); 204 static void kbd_cmd(u_char command); 205 static void set_mode(scr_stat *scp); 206 void set_border(int color); 207 static void set_vgaregs(char *modetable); 208 static void set_font_mode(void); 209 static void set_normal_mode(void); 210 static void copy_font(int operation, int font_type, char* font_image); 211 static void set_destructive_cursor(scr_stat *scp, int force); 212 static void draw_mouse_image(scr_stat *scp); 213 static void save_palette(void); 214 void load_palette(void); 215 static void do_bell(scr_stat *scp, int pitch, int duration); 216 static void blink_screen(scr_stat *scp); 217 218 #endif /* !_I386_ISA_SYSCONS_H_ */ 219