1 /*- 2 * Copyright (c) 1995-1998 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 * without modification, immediately at the beginning of the file. 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 without 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 1.43 1998/09/29 02:00:57 ache 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 - 1;\ 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 KBD_CODE_MODE 0x00040 60 #define SWITCH_WAIT_REL 0x00080 61 #define SWITCH_WAIT_ACQ 0x00100 62 #define BUFFER_SAVED 0x00200 63 #define CURSOR_ENABLED 0x00400 64 #define MOUSE_ENABLED 0x00800 65 #define MOUSE_MOVED 0x01000 66 #define MOUSE_CUTTING 0x02000 67 #define MOUSE_VISIBLE 0x04000 68 #define GRAPHICS_MODE 0x08000 69 #define PIXEL_MODE 0x10000 70 #define SAVER_RUNNING 0x20000 71 72 /* configuration flags */ 73 #define VISUAL_BELL 0x00001 74 #define BLINK_CURSOR 0x00002 75 #define CHAR_CURSOR 0x00004 76 #define DETECT_KBD 0x00008 77 #define XT_KEYBD 0x00010 78 #define KBD_NORESET 0x00020 79 #define QUIET_BELL 0x00040 80 #define VESA800X600 0x00080 81 82 /* attribute flags */ 83 #define NORMAL_ATTR 0x00 84 #define BLINK_ATTR 0x01 85 #define BOLD_ATTR 0x02 86 #define UNDERLINE_ATTR 0x04 87 #define REVERSE_ATTR 0x08 88 #define FOREGROUND_CHANGED 0x10 89 #define BACKGROUND_CHANGED 0x20 90 91 /* misc defines */ 92 #define FALSE 0 93 #define TRUE 1 94 #define MAX_ESC_PAR 5 95 #define LOAD 1 96 #define SAVE 0 97 #define COL 80 98 #define ROW 25 99 #define BELL_DURATION 5 100 #define BELL_PITCH 800 101 #define CONSOLE_BUFSIZE 1024 102 #define PCBURST 128 103 #define FONT_NONE 1 104 #define FONT_8 2 105 #define FONT_14 4 106 #define FONT_16 8 107 108 /* special characters */ 109 #define cntlc 0x03 110 #define cntld 0x04 111 #define bs 0x08 112 #define lf 0x0a 113 #define cr 0x0d 114 #define del 0x7f 115 116 #define DEAD_CHAR 0x07 /* char used for cursor */ 117 118 typedef struct term_stat { 119 int esc; /* processing escape sequence */ 120 int num_param; /* # of parameters to ESC */ 121 int last_param; /* last parameter # */ 122 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 123 int cur_attr; /* current hardware attr word */ 124 int attr_mask; /* current logical attr mask */ 125 int cur_color; /* current hardware color */ 126 int std_color; /* normal hardware color */ 127 int rev_color; /* reverse hardware color */ 128 } term_stat; 129 130 typedef struct scr_stat { 131 int adp; /* video adapter index */ 132 u_short *scr_buf; /* buffer when off screen */ 133 int xpos; /* current X position */ 134 int ypos; /* current Y position */ 135 int saved_xpos; /* saved X position */ 136 int saved_ypos; /* saved Y position */ 137 int xsize; /* X text size */ 138 int ysize; /* Y text size */ 139 int xpixel; /* X graphics size */ 140 int ypixel; /* Y graphics size */ 141 int xoff; /* X offset in pixel mode */ 142 int yoff; /* Y offset in pixel mode */ 143 int font_size; /* fontsize in Y direction */ 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_oldpos; /* cursor old buffer position */ 150 u_short cursor_saveunder; /* saved chars under cursor */ 151 char cursor_start; /* cursor start line # */ 152 char cursor_end; /* cursor end line # */ 153 u_short *mouse_pos; /* mouse buffer position */ 154 u_short *mouse_oldpos; /* mouse old buffer position */ 155 short mouse_xpos; /* mouse x coordinate */ 156 short mouse_ypos; /* mouse y coordinate */ 157 short mouse_buttons; /* mouse buttons */ 158 u_char mouse_cursor[128]; /* mouse cursor bitmap store */ 159 u_short *mouse_cut_start; /* mouse cut start pos */ 160 u_short *mouse_cut_end; /* mouse cut end pos */ 161 struct proc *mouse_proc; /* proc* of controlling proc */ 162 pid_t mouse_pid; /* pid of controlling proc */ 163 int mouse_signal; /* signal # to report with */ 164 u_short bell_duration; 165 u_short bell_pitch; 166 u_char border; /* border color */ 167 int initial_mode; /* initial mode */ 168 int mode; /* mode */ 169 pid_t pid; /* pid of controlling proc */ 170 struct proc *proc; /* proc* of controlling proc */ 171 struct vt_mode smode; /* switch mode */ 172 u_short *history; /* circular history buffer */ 173 u_short *history_head; /* current head position */ 174 u_short *history_pos; /* position shown on screen */ 175 u_short *history_save; /* save area index */ 176 int history_size; /* size of history buffer */ 177 struct apmhook r_hook; /* reconfiguration support */ 178 #ifdef SC_SPLASH_SCREEN 179 int splash_save_mode; /* saved mode for splash screen */ 180 int splash_save_status; /* saved status for splash screen */ 181 #endif 182 } scr_stat; 183 184 typedef struct default_attr { 185 int std_color; /* normal hardware color */ 186 int rev_color; /* reverse hardware color */ 187 } default_attr; 188 189 190 #define ISTEXTSC(scp) (!((scp)->status \ 191 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 192 #define ISGRAPHSC(scp) (((scp)->status \ 193 & (UNKNOWN_MODE | GRAPHICS_MODE))) 194 #define ISPIXELSC(scp) (((scp)->status \ 195 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 196 == PIXEL_MODE) 197 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 198 199 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 200 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 201 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 202 203 /* misc prototypes used by different syscons related LKM's */ 204 205 /* syscons.c */ 206 extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, int flag, 207 struct proc *p); 208 209 int set_mode(scr_stat *scp); 210 scr_stat *sc_get_scr_stat(dev_t dev); 211 212 void copy_font(scr_stat *scp, int operation, int font_size, u_char *font_image); 213 void set_border(scr_stat *scp, int color); 214 #define save_palette(scp, pal) (*biosvidsw.save_palette)((scp)->adp, pal) 215 #define load_palette(scp, pal) (*biosvidsw.load_palette)((scp)->adp, pal) 216 #define get_adapter(scp) (*biosvidsw.adapter)((scp)->adp) 217 218 int add_scrn_saver(void (*this)(int)); 219 int remove_scrn_saver(void (*this)(int)); 220 221 void sc_clear_screen(scr_stat *scp); 222 void sc_move_mouse(scr_stat *scp, int x, int y); 223 int sc_clean_up(scr_stat *scp); 224 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int clear); 225 void sc_alloc_cut_buffer(scr_stat *scp, int wait); 226 void sc_alloc_history_buffer(scr_stat *scp, int lines, int extra, int wait); 227 struct tty *scdevtotty(dev_t dev); 228 229 /* scvidctl.c */ 230 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 231 int xsize, int ysize, int fontsize); 232 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 233 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 234 int xsize, int ysize, int fontsize); 235 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 236 struct proc *p); 237 238 #ifdef SC_SPLASH_SCREEN 239 /* splash.c */ 240 void scsplash(int); 241 int scsplash_load(scr_stat *scp); 242 int scsplash_unload(scr_stat *scp); 243 #endif 244 245 #endif /* !_I386_ISA_SYSCONS_H_ */ 246