FreeBSD-5.3/usr.sbin/pcvt/scon/scon.c
/*
* Copyright (c) 1992, 2000 Hellmuth Michaelis
*
* Copyright (c) 1992, 1994 Joerg Wunsch
*
* 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.
*
* 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.
*/
/*---------------------------------------------------------------------------*
*
* scon - screen control utility for pcvt
* --------------------------------------
*
* Last Edit-Date: [Mon Mar 27 17:19:34 2000]
*
* $FreeBSD: src/usr.sbin/pcvt/scon/scon.c,v 1.8 2001/03/01 06:22:46 imp Exp $
*
*---------------------------------------------------------------------------*/
#include <stdio.h>
#include <err.h>
#include <fcntl.h>
#include <unistd.h>
#include <machine/pcvt_ioctl.h>
#define DEFAULTFD 0
int aflag = -1;
int lflag = -1;
int mflag = -1;
int current = -1;
int pflag = -1;
int hflag = -1;
int res = -1;
char *device;
int dflag = -1;
int vflag = 0;
int Pflag = 0;
int tflag = 0;
int fflag = -1;
int colms = 0;
char *onoff;
unsigned timeout;
struct screeninfo screeninfo;
#define NVGAPEL 256
struct rgb {
unsigned r, g, b;
int dothis;
};
static struct rgb palette[NVGAPEL] = {
{ 0x00, 0x00, 0x00, 0}, /* 0 - black */
{ 0x00, 0x00, 0x2a, 0}, /* 1 - blue */
{ 0x00, 0x2a, 0x00, 0}, /* 2 - green */
{ 0x00, 0x2a, 0x2a, 0}, /* 3 - cyan */
{ 0x2a, 0x00, 0x00, 0}, /* 4 - red */
{ 0x2a, 0x00, 0x2a, 0}, /* 5 - magenta */
{ 0x2a, 0x2a, 0x00, 0}, /* 6 */
{ 0x2a, 0x2a, 0x2a, 0}, /* 7 - lightgray */
{ 0x00, 0x00, 0x15, 0}, /* 8 */
{ 0x00, 0x00, 0x3f, 0}, /* 9 */
{ 0x00, 0x2a, 0x15, 0}, /* 10 */
{ 0x00, 0x2a, 0x3f, 0}, /* 11 */
{ 0x2a, 0x00, 0x15, 0}, /* 12 */
{ 0x2a, 0x00, 0x3f, 0}, /* 13 */
{ 0x2a, 0x2a, 0x15, 0}, /* 14 */
{ 0x2a, 0x2a, 0x3f, 0}, /* 15 */
{ 0x00, 0x15, 0x00, 0}, /* 16 */
{ 0x00, 0x15, 0x2a, 0}, /* 17 */
{ 0x00, 0x3f, 0x00, 0}, /* 18 */
{ 0x00, 0x3f, 0x2a, 0}, /* 19 */
{ 0x2a, 0x15, 0x00, 0}, /* 20 - brown */
{ 0x2a, 0x15, 0x2a, 0}, /* 21 */
{ 0x2a, 0x3f, 0x00, 0}, /* 22 */
{ 0x2a, 0x3f, 0x2a, 0}, /* 23 */
{ 0x00, 0x15, 0x15, 0}, /* 24 */
{ 0x00, 0x15, 0x3f, 0}, /* 25 */
{ 0x00, 0x3f, 0x15, 0}, /* 26 */
{ 0x00, 0x3f, 0x3f, 0}, /* 27 */
{ 0x2a, 0x15, 0x15, 0}, /* 28 */
{ 0x2a, 0x15, 0x3f, 0}, /* 29 */
{ 0x2a, 0x3f, 0x15, 0}, /* 30 */
{ 0x2a, 0x3f, 0x3f, 0}, /* 31 */
{ 0x15, 0x00, 0x00, 0}, /* 32 */
{ 0x15, 0x00, 0x2a, 0}, /* 33 */
{ 0x15, 0x2a, 0x00, 0}, /* 34 */
{ 0x15, 0x2a, 0x2a, 0}, /* 35 */
{ 0x3f, 0x00, 0x00, 0}, /* 36 */
{ 0x3f, 0x00, 0x2a, 0}, /* 37 */
{ 0x3f, 0x2a, 0x00, 0}, /* 38 */
{ 0x3f, 0x2a, 0x2a, 0}, /* 39 */
{ 0x15, 0x00, 0x15, 0}, /* 40 */
{ 0x15, 0x00, 0x3f, 0}, /* 41 */
{ 0x15, 0x2a, 0x15, 0}, /* 42 */
{ 0x15, 0x2a, 0x3f, 0}, /* 43 */
{ 0x3f, 0x00, 0x15, 0}, /* 44 */
{ 0x3f, 0x00, 0x3f, 0}, /* 45 */
{ 0x3f, 0x2a, 0x15, 0}, /* 46 */
{ 0x3f, 0x2a, 0x3f, 0}, /* 47 */
{ 0x15, 0x15, 0x00, 0}, /* 48 */
{ 0x15, 0x15, 0x2a, 0}, /* 49 */
{ 0x15, 0x3f, 0x00, 0}, /* 50 */
{ 0x15, 0x3f, 0x2a, 0}, /* 51 */
{ 0x3f, 0x15, 0x00, 0}, /* 52 */
{ 0x3f, 0x15, 0x2a, 0}, /* 53 */
{ 0x3f, 0x3f, 0x00, 0}, /* 54 */
{ 0x3f, 0x3f, 0x2a, 0}, /* 55 */
{ 0x15, 0x15, 0x15, 0}, /* 56 - darkgray */
{ 0x15, 0x15, 0x3f, 0}, /* 57 - lightblue */
{ 0x15, 0x3f, 0x15, 0}, /* 58 - lightgreen */
{ 0x15, 0x3f, 0x3f, 0}, /* 59 - lightcyan */
{ 0x3f, 0x15, 0x15, 0}, /* 60 - lightred */
{ 0x3f, 0x15, 0x3f, 0}, /* 61 - lightmagenta */
{ 0x3f, 0x3f, 0x15, 0}, /* 62 - yellow */
{ 0x3f, 0x3f, 0x3f, 0}, /* 63 - white */
{ 0x00, 0x00, 0x00, 0} /* 64 ... - empty */
};
static struct colname {
const char *name;
unsigned idx;
} colnames[] = {
{"black", 0},
{"blue", 1},
{"green", 2},
{"cyan", 3},
{"red", 4},
{"magenta", 5},
{"brown", 20},
{"lightgray", 7},
{"lightgrey", 7},
{"darkgray", 56},
{"darkgrey", 56},
{"lightblue", 57},
{"lightgreen", 58},
{"lightcyan", 59},
{"lightred", 60},
{"lightmagenta", 61},
{"yellow", 62},
{"white", 63},
/* must be terminator: */ {(const char *)NULL, 0}
};
static void parsepopt(char *arg, unsigned *idx,
unsigned *r, unsigned *g, unsigned *b);
static void printpalette(int fd);
main(argc,argv)
int argc;
char *argv[];
{
int c;
int fd;
while( (c = getopt(argc, argv, "ac:d:f:HVlms:t:vp:18")) != -1)
{
switch(c)
{
case 'a':
aflag = 1;
break;
case 'l':
lflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'c':
current = atoi(optarg);
break;
case 'd':
device = optarg;
dflag = 1;
break;
case 'f':
onoff = optarg;
fflag = 1;
break;
case 'V':
pflag = 1;
break;
case 'H':
hflag = 1;
break;
case 's':
if (!strncmp(optarg, "25", 2))
res = SIZ_25ROWS;
else if(!strncmp(optarg, "28", 2))
res = SIZ_28ROWS;
else if(!strncmp(optarg, "35", 2))
res = SIZ_35ROWS;
else if(!strncmp(optarg, "40", 2))
res = SIZ_40ROWS;
else if(!strncmp(optarg, "43", 2))
res = SIZ_43ROWS;
else if(!strncmp(optarg, "50", 2))
res = SIZ_50ROWS;
break;
case 'v':
vflag++;
break;
case 'p':
if(!strcmp(optarg, "list"))
{
if(Pflag)
errx(2, "-p list is mutual exclusive with other -p options");
Pflag = 3;
}
else if(!strcmp(optarg, "default"))
{
if(Pflag)
errx(2, "multiple -p default not allowed");
Pflag = 2;
} else {
unsigned idx, r, g, b;
if(Pflag > 1)
errx(2, "-p default and -p i,r,g,b ambiguous");
Pflag = 1;
parsepopt(optarg, &idx, &r, &g, &b);
if(idx >= NVGAPEL)
errx(2, "index %u in -p option out of range", idx);
palette[idx].r = r;
palette[idx].g = g;
palette[idx].b = b;
palette[idx].dothis = 1;
}
break;
case 't':
tflag++;
timeout = atoi(optarg);
break;
case '1':
colms = 132;
break;
case '8':
colms = 80;
break;
case '?':
default:
usage();
break;
}
}
if((pflag == 1) && (hflag == 1))
usage();
if(dflag == -1 && lflag == -1 && current == -1 && pflag == -1 &&
hflag == -1 && res == -1 && Pflag == 0 && tflag == 0 && fflag == -1
&& colms == 0 && mflag == -1)
{
lflag = 1;
}
if(dflag == -1)
{
if(vflag)
printf("using current device\n");
fd = DEFAULTFD; /* -hm, Feb 12 1993 */
}
else
{
if((fd = open(device, O_RDWR)) == -1)
err(1, "ERROR opening %s", device);
if(vflag)
printf("using device %s\n",device);
}
if(aflag == 1) /* return adaptor type */
{
printadaptor(fd);
exit(0);
}
if(mflag == 1) /* return monitor type */
{
printmonitor(fd);
exit(0);
}
if(lflag == 1) /* list information */
{
if(vflag)
printf("processing option -l, listing screen info\n");
printinfo(fd);
exit(0);
}
if(tflag) /* set screen saver timeout */
{
if(vflag)
{
printf(
"processing option -t, setting screen saver timeout: "
);
if(timeout)
printf("new timeout = %d s\n", timeout);
else
printf("turned off\n");
}
if(ioctl(fd, VGASCREENSAVER, &timeout) < 0)
{
warn("ioctl(VGASCREENSAVER)");
fprintf(stderr, "Check the driver, the screensaver is probably not compiled in!\n");
exit(2);
}
goto success;
}
if(colms)
{
if(vflag)
printf("Setting number of columns to %d\n", colms);
if(ioctl(fd, VGASETCOLMS, &colms) < 0)
err(2, "ioctl(VGASETCOLMS)");
goto success;
}
if(Pflag == 3)
{
/* listing VGA palette */
if(vflag)
printf("processing option -p list, "
"listing VGA palette\n");
printpalette(fd);
goto success;
}
if(Pflag)
{
unsigned int idx;
/* setting VGA palette */
if(vflag)
printf("processing option -p, setting VGA palette%s\n",
Pflag == 2? " to default": "");
for(idx = 0; idx < NVGAPEL; idx++)
if(Pflag == 2 || palette[idx].dothis)
{
struct vgapel p;
p.idx = idx;
p.r = palette[idx].r;
p.g = palette[idx].g;
p.b = palette[idx].b;
if(ioctl(fd, VGAWRITEPEL, (caddr_t)&p) < 0)
err(2, "ioctl(fd, VGAWRITEPEL)");
}
goto success;
}
screeninfo.screen_no = -1; /* We are using fd */
screeninfo.current_screen = current;
screeninfo.pure_vt_mode = -1;
screeninfo.screen_size = res;
screeninfo.force_24lines = -1;
if(current != -1) /* set current screen */
{
if(vflag)
printf("processing option -c, setting current screen to %d\n",current);
if(ioctl(1, VGASETSCREEN, &screeninfo) == -1)
err(1, "ioctl VGASETSCREEN failed");
exit(0);
}
if(pflag == 1)
{
if(vflag)
printf("processing option -V, setting emulation to pure VT220\n");
screeninfo.pure_vt_mode = M_PUREVT;
}
else if(hflag == 1)
{
if(vflag)
printf("processing option -H, setting emulation to VT220 + HP Labels\n");
screeninfo.pure_vt_mode = M_HPVT;
}
else
{
if(vflag)
printf("no change in terminal emulation\n");
}
if(vflag)
{
if(res == -1)
printf("no change in screen resolution\n");
else if(res == SIZ_25ROWS)
printf("change screen resolution to 25 lines\n");
else if(res == SIZ_28ROWS)
printf("change screen resolution to 28 lines\n");
else if(res == SIZ_35ROWS)
printf("change screen resolution to 35 lines\n");
else if(res == SIZ_40ROWS)
printf("change screen resolution to 40 lines\n");
else if(res == SIZ_43ROWS)
printf("change screen resolution to 43 lines\n");
else if(res == SIZ_50ROWS)
printf("change screen resolution to 50 lines\n");
}
if(fflag == 1) /* force 24 lines on/off */
{
if(!strcmp(onoff, "on"))
{
fflag = 1;
}
else if(!strcmp(onoff, "off"))
{
fflag = 0;
}
else
{
fprintf(stderr,"you must specify 'on' or 'off' with -f option!\n");
exit(1);
}
}
screeninfo.force_24lines = fflag;
if(ioctl(fd, VGASETSCREEN, &screeninfo) == -1)
err(1, "ioctl VGASETSCREEN failed");
success:
if(vflag)
printf("successful execution of ioctl VGASETSCREEN!\n");
exit(0);
}
usage()
{
fprintf(stderr,"\nscon - screen control utility for the pcvt video driver\n");
fprintf(stderr,"usage: scon -a -l -m -v -c [n] -d [dev] -f [on|off] -V -H -s [n]\n");
fprintf(stderr,"usage: scon -p [default | list | i,r,g,b] | -t [sec] | -1 | -8\n");
fprintf(stderr," -a list video adaptor type (MDA,CGA,EGA or VGA)\n");
fprintf(stderr," -c <screen no> switch current virtual screen to <screen no>\n");
fprintf(stderr," -d <device> set parameters(-V|-H|-s) for virtual device\n");
fprintf(stderr," -f <on|off> force 24 lines in VT 25 lines and HP 28 lines mode\n");
fprintf(stderr," -H set VT220/HP emulation mode for a virtual screen\n");
fprintf(stderr," -l list current parameters for a virtual screen\n");
fprintf(stderr," -m report monitor type (MONO/COLOR)\n");
fprintf(stderr," -p default set default VGA palette\n");
fprintf(stderr," -p list list current VGA palette\n");
fprintf(stderr," -p <i,r,g,b> set VGA palette entry i to r/g/b\n");
fprintf(stderr," -p <name,r,g,b> set VGA palette entry for color name to r/g/b\n");
fprintf(stderr," -s <lines> set 25, 28, 35, 40, 43 or 50 lines for a virtual screen\n");
fprintf(stderr," -t <timeout> set screen saver timeout [seconds]\n");
fprintf(stderr," -1 set 132 columns mode\n");
fprintf(stderr," -8 set 80 columns mode\n");
fprintf(stderr," -v verbose mode\n");
fprintf(stderr," -V set pure VT220 emulation for a virtual screen\n");
fprintf(stderr," -? display help (this message)\n\n");
exit(1);
}
printadaptor(fd)
int fd;
{
if(ioctl(fd, VGAGETSCREEN, &screeninfo) == -1)
err(1, "ioctl VGAGETSCREEN failed");
switch(screeninfo.adaptor_type)
{
default:
case UNKNOWN_ADAPTOR:
printf("UNKNOWN\n");
break;
case MDA_ADAPTOR:
printf("MDA\n");
break;
case CGA_ADAPTOR:
printf("CGA\n");
break;
case EGA_ADAPTOR:
printf("EGA\n");
break;
case VGA_ADAPTOR:
printf("VGA\n");
break;
}
}
printmonitor(fd)
int fd;
{
if(ioctl(fd, VGAGETSCREEN, &screeninfo) == -1)
err(1, "ioctl VGAGETSCREEN failed");
switch(screeninfo.monitor_type)
{
default:
printf("UNKNOWN\n");
break;
case MONITOR_MONO:
printf("MONO\n");
break;
case MONITOR_COLOR:
printf("COLOR\n");
break;
}
}
char *vga_type(int number)
{
static char *vga_tab[] = {
"Generic VGA",
"ET4000",
"ET3000",
"PVGA1A",
"WD90C00",
"WD90C10",
"WD90C11",
"VIDEO 7 VEGA",
"VIDEO 7 FAST",
"VIDEO 7 VER5",
"VIDEO 7 1024I",
"Unknown VIDEO 7",
"TVGA 8800BR",
"TVGA 8800CS",
"TVGA 8900B",
"TVGA 8900C",
"TVGA 8900CL",
"TVGA 9000",
"TVGA 9100",
"TVGA 9200",
"Unknown TRIDENT",
"S3 80C911",
"S3 80C924",
"S3 80C801/80C805",
"S3 80C928",
"Unknown S3",
"CL-GD5402",
"CL-GD5402r1",
"CL-GD5420",
"CL-GD5420r1",
"CL-GD5422",
"CL-GD5424",
"CL-GD5426",
"CL-GD5428",
};
return(vga_tab[number]);
}
char *vga_family(int number)
{
static char *vga_tab[] = {
"Generic VGA",
"Tseng Labs",
"Western Digital",
"Video Seven",
"Trident",
"S3 Incorporated",
"Cirrus Logic",
};
return(vga_tab[number]);
}
printinfo(fd)
int fd;
{
if(ioctl(fd, VGAGETSCREEN, &screeninfo) == -1)
err(1, "ioctl VGAGETSCREEN failed");
printf( "\nVideo Adaptor Type = ");
switch(screeninfo.adaptor_type)
{
default:
case UNKNOWN_ADAPTOR:
printf("UNKNOWN Video Adaptor\n");
break;
case MDA_ADAPTOR:
printf("MDA - Monochrome Display Adaptor\n");
break;
case CGA_ADAPTOR:
printf("CGA - Color Graphics Adaptor\n");
break;
case EGA_ADAPTOR:
printf("EGA - Enhanced Graphics Adaptor\n");
break;
case VGA_ADAPTOR:
printf("VGA - Video Graphics Adaptor/Array\n");
printf(" VGA Chipset Manufacturer = %s\n",
vga_family(screeninfo.vga_family));
printf(" VGA Chipset Type = %s\n",
vga_type(screeninfo.vga_type));
printf(" Support for 132 Column Mode = %s\n",
screeninfo.vga_132 ? "Yes" : "No");
break;
}
printf( "Display Monitor Type = ");
switch(screeninfo.monitor_type)
{
default:
printf("UNKNOWN Monitor Type\n");
break;
case MONITOR_MONO:
printf("Monochrome Monitor\n");
break;
case MONITOR_COLOR:
printf("Color Monitor\n");
break;
}
printf( "Number of Downloadable Fonts = %d\n",screeninfo.totalfonts);
printf( "Number of Virtual Screens = %d\n",screeninfo.totalscreens);
printf( "Info Request Screen Number = %d\n",screeninfo.screen_no);
printf( "Current Displayed Screen = %d\n",screeninfo.current_screen);
if(screeninfo.pure_vt_mode == M_PUREVT)
printf( "Terminal Emulation Mode = VT220\n");
else
printf( "Terminal Emulation Mode = VT220 with HP Features\n");
printf( "Lines = ");
switch(screeninfo.screen_size)
{
case SIZ_25ROWS:
printf( "25\n");
break;
case SIZ_28ROWS:
printf( "28\n");
break;
case SIZ_35ROWS:
printf( "35\n");
break;
case SIZ_40ROWS:
printf( "40\n");
break;
case SIZ_43ROWS:
printf( "43\n");
break;
case SIZ_50ROWS:
printf( "50\n");
break;
default:
printf( "UNKNOWN\n");
break;
}
printf( "Force 24 Lines = %s",
screeninfo.force_24lines ? "Yes" : "No");
printf("\n\n");
}
static const char *findname(unsigned idx)
{
/* try to find a name for palette entry idx */
/* if multiple names exist, returns first matching */
register struct colname *cnp;
for(cnp = colnames; cnp->name; cnp++)
if(cnp->idx == idx)
return cnp->name;
/* not found */
return (const char *)NULL;
}
static void printpalette(int fd)
{
register unsigned idx, last;
for(idx = 0; idx < NVGAPEL; idx++)
{
struct vgapel p;
p.idx = idx;
if(ioctl(fd, VGAREADPEL, &p) < 0)
err(2, "ioctl(VGAREADPEL)");
palette[idx].r = p.r;
palette[idx].g = p.g;
palette[idx].b = p.b;
}
/* find last non-empty entry */
for(last = NVGAPEL - 1; last; last--)
if(palette[last].r || palette[last].g || palette[last].b)
break;
if(last != NVGAPEL - 1)
last++;
/* now, everything's collected. print out table */
printf("VGA palette status\n");
printf("index red green blue name\n");
for(idx = 0; idx < last; idx++)
{
const char *cp;
printf("%5d %5d %5d %5d",
idx, palette[idx].r, palette[idx].g, palette[idx].b);
if(cp = findname(idx))
printf(" %s\n", cp);
else
putchar('\n');
}
putchar('\n');
}
static void parsepopt(char *arg, unsigned *idx,
unsigned *r, unsigned *g, unsigned *b)
{
char firstarg[21];
register unsigned i;
if(sscanf(arg, "%20[a-zA-Z0-9]%*[,:]%u,%u,%u", firstarg, r, g, b) < 4
|| strlen(firstarg) == 0)
errx(2, "too few args in -p i,r,g,b");
if(firstarg[0] >= '0' && firstarg[0] <= '9') {
*idx = strtoul(firstarg, NULL, 10);
return;
}
for(i = 0; colnames[i].name; i++)
if(strcasecmp(colnames[i].name, firstarg) == 0) {
*idx = colnames[i].idx;
return;
}
errx(2, "arg ``%s'' in -p option not recognized", firstarg);
}