syscons.h revision 6851
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 1.2 1995/02/25 20:09:21 pst 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) || (ch)<0x07) 42 43/* status flags */ 44#define LOCK_KEY_MASK 0x0000F 45#define LED_MASK 0x00007 46#define UNKNOWN_MODE 0x00010 47#define KBD_RAW_MODE 0x00020 48#define SWITCH_WAIT_REL 0x00040 49#define SWITCH_WAIT_ACQ 0x00080 50#define BUFFER_SAVED 0x00100 51#define CURSOR_ENABLED 0x00200 52#define CURSOR_SHOWN 0x00400 53#define MOUSE_ENABLED 0x00800 54#define UPDATE_MOUSE 0x01000 55#define UPDATE_SCREEN 0x02000 56 57/* configuration flags */ 58#define VISUAL_BELL 0x00001 59#define BLINK_CURSOR 0x00002 60#define CHAR_CURSOR 0x00004 61 62/* video hardware memory addresses */ 63#define VIDEOMEM 0x000A0000 64 65/* misc defines */ 66#define FALSE 0 67#define TRUE 1 68#define MAX_ESC_PAR 5 69#define LOAD 1 70#define SAVE 0 71#define COL 80 72#define ROW 25 73#define BELL_DURATION 5 74#define BELL_PITCH 800 75#define TIMER_FREQ 1193182 /* should be in isa.h */ 76#define CONSOLE_BUFSIZE 1024 77#define PCBURST 128 78#define FONT_8 0x001 79#define FONT_14 0x002 80#define FONT_16 0x004 81#define HISTORY_SIZE 100*80 82 83/* defines related to hardware addresses */ 84#define MONO_BASE 0x3B4 /* crt controller base mono */ 85#define COLOR_BASE 0x3D4 /* crt controller base color */ 86#define MISC 0x3C2 /* misc output register */ 87#define ATC IO_VGA+0x00 /* attribute controller */ 88#define TSIDX IO_VGA+0x04 /* timing sequencer idx */ 89#define TSREG IO_VGA+0x05 /* timing sequencer data */ 90#define PIXMASK IO_VGA+0x06 /* pixel write mask */ 91#define PALRADR IO_VGA+0x07 /* palette read address */ 92#define PALWADR IO_VGA+0x08 /* palette write address */ 93#define PALDATA IO_VGA+0x09 /* palette data register */ 94#define GDCIDX IO_VGA+0x0E /* graph data controller idx */ 95#define GDCREG IO_VGA+0x0F /* graph data controller data */ 96 97/* special characters */ 98#define cntlc 0x03 99#define cntld 0x04 100#define bs 0x08 101#define lf 0x0a 102#define cr 0x0d 103#define del 0x7f 104 105typedef struct term_stat { 106 int esc; /* processing escape sequence */ 107 int num_param; /* # of parameters to ESC */ 108 int last_param; /* last parameter # */ 109 int param[MAX_ESC_PAR]; /* contains ESC parameters */ 110 int cur_attr; /* current attributes */ 111 int std_attr; /* normal attributes */ 112 int rev_attr; /* reverse attributes */ 113} term_stat; 114 115typedef struct scr_stat { 116 u_short *scr_buf; /* buffer when off screen */ 117 int xpos; /* current X position */ 118 int ypos; /* current Y position */ 119 int xsize; /* X size */ 120 int ysize; /* Y size */ 121 term_stat term; /* terminal emulation stuff */ 122 int status; /* status (bitfield) */ 123 u_short *cursor_pos; /* cursor buffer position */ 124 u_short cursor_saveunder; /* saved chars under cursor */ 125 char cursor_start; /* cursor start line # */ 126 char cursor_end; /* cursor end line # */ 127 u_short *mouse_pos; /* mouse buffer position */ 128 u_short *mouse_oldpos; /* mouse old buffer position */ 129 u_short mouse_saveunder[4]; /* saved chars under mouse */ 130 short mouse_xpos; /* mouse x coordinate */ 131 short mouse_ypos; /* mouse y coordinate */ 132 u_char mouse_cursor[128]; /* mouse cursor bitmap store */ 133 u_short bell_duration; 134 u_short bell_pitch; 135 u_char border; /* border color */ 136 u_char mode; /* mode */ 137 u_char font; /* font on this screen */ 138 pid_t pid; /* pid of controlling proc */ 139 struct proc *proc; /* proc* of controlling proc */ 140 struct vt_mode smode; /* switch mode */ 141 u_short *history; /* circular history buffer */ 142 u_short *history_head; /* current head position */ 143 u_short *history_pos; /* position shown on screen */ 144 u_short *history_save; /* save area index */ 145 int history_size; /* size of history buffer */ 146 struct apmhook r_hook; /* reconfiguration support */ 147} scr_stat; 148 149typedef struct default_attr { 150 int std_attr; /* normal attributes */ 151 int rev_attr; /* reverse attributes */ 152} default_attr; 153 154/* function prototypes */ 155int scprobe(struct isa_device *dev); 156int scattach(struct isa_device *dev); 157int scopen(dev_t dev, int flag, int mode, struct proc *p); 158int scclose(dev_t dev, int flag, int mode, struct proc *p); 159int scread(dev_t dev, struct uio *uio, int flag); 160int scwrite(dev_t dev, struct uio *uio, int flag); 161int scparam(struct tty *tp, struct termios *t); 162int scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p); 163void scxint(dev_t dev); 164void scstart(struct tty *tp); 165void pccnprobe(struct consdev *cp); 166void pccninit(struct consdev *cp); 167void pccnputc(dev_t dev, char c); 168int pccngetc(dev_t dev); 169int pccncheckc(dev_t dev); 170void scintr(int unit); 171int pcmmap(dev_t dev, int offset, int nprot); 172static void scinit(void); 173static u_int scgetc(int noblock); 174 struct tty *scdevtotty(dev_t dev); 175static scr_stat *get_scr_stat(dev_t dev); 176static scr_stat *alloc_scp(); 177static void init_scp(scr_stat *scp); 178static int get_scr_num(); 179static void scrn_timer(); 180static void clear_screen(scr_stat *scp); 181static int switch_scr(scr_stat *scp, u_int next_scr); 182static void exchange_scr(void); 183static inline void move_crsr(scr_stat *scp, int x, int y); 184static void scan_esc(scr_stat *scp, u_char c); 185static inline void draw_cursor(scr_stat *scp, int show); 186static void ansi_put(scr_stat *scp, u_char *buf, int len); 187static u_char *get_fstr(u_int c, u_int *len); 188static void update_leds(int which); 189static void history_to_screen(scr_stat *scp); 190static int history_up_line(scr_stat *scp); 191static int history_down_line(scr_stat *scp); 192static void kbd_wait(void); 193static void kbd_cmd(u_char command); 194static void set_mode(scr_stat *scp); 195 void set_border(int color); 196static void set_vgaregs(char *modetable); 197static void set_font_mode(); 198static void set_normal_mode(); 199static void copy_font(int operation, int font_type, char* font_image); 200static void draw_mouse_image(scr_stat *scp); 201static void save_palette(void); 202 void load_palette(void); 203static void do_bell(scr_stat *scp, int pitch, int duration); 204static void blink_screen(scr_stat *scp); 205 206#endif /* SYSCONS_H */ 207