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-rw-r--r--kbd/kbdrate.c282
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diff --git a/kbd/kbdrate.c b/kbd/kbdrate.c
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-/*
-From: faith@cs.unc.edu (Rik Faith)
-Subject: User mode keyboard rate changer
-Date: 27 Apr 92 13:44:26 GMT
-
-I put together this program, called kbdrate.c, which will reset the keyboard
-repeat rate and delay in user mode. The program must have read/write
-access to /dev/port, so if /dev/port is only read/writeable by group port,
-then kbdrate must run setgid to group port (for example).
-
-The "rate" is the rate in characters per second
-
-The "delay" is the amount of time the key must remain depressed before it
-will start to repeat.
-
-Usage examples:
-
-kbdrate set rate to IBM default (10.9 cps, 250ms delay)
-kbdrate -r 30.0 set rate to 30 cps and delay to 250ms
-kbdrate -r 20.0 -s set rate to 20 cps (delay 250ms) -- don't print message
-kbdrate -r 0 -d 0 set rate to 2.0 cps and delay to 250 ms
-
-I find it useful to put kbdrate in my /etc/rc file so that the keyboard
-rate is set to something that I find comfortable at boot time. This sure
-beats rebuilding the kernel!
-
-
- kbdrate.c -- Set keyboard typematic rate (and delay)
- Created: Thu Apr 23 12:24:30 1992
- Author: Rickard E. Faith, faith@cs.unc.edu
-
- Copyright 1992 Rickard E. Faith. Distributed under the GPL.
- This program comes with ABSOLUTELY NO WARRANTY.
- Usage: kbdrate [-r rate] [-d delay] [-s]
- Rate can range from 2.0 to 30.0 (units are characters per second)
- Delay can range from 250 to 1000 (units are milliseconds)
- -s suppressed message
- Compiles under gcc 2.1 for Linux (tested with the pre-0.96 kernel)
-
- Wed Jun 22 21:35:43 1994, faith@cs.unc.edu:
- Changed valid_rates per suggestion by Andries.Brouwer@cwi.nl.
- Wed Jun 22 22:18:29 1994, faith@cs.unc.edu:
- Added patch for AUSTIN notebooks from John Bowman
- (bowman@hagar.ph.utexas.edu)
-
- Linux/68k modifications by Roman Hodek
- (Roman.Hodek@informatik.uni-erlangen.de):
-
- Reading/writing the Intel I/O ports via /dev/port is not the
- English way... Such hardware dependant stuff can never work on
- other architectures.
-
- Linux/68k has an new ioctl for setting the keyboard repeat rate
- and delay. Both values are counted in msecs, the kernel will do
- any rounding to values possible with the underlying hardware.
-
- kbdrate now first tries if the KDKBDREP ioctl is available. If it
- is, it is used, else the old method is applied.
-
- 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org>
- - added Native Language Support
-
- 1999-03-17
- Linux/SPARC modifications by Jeffrey Connell <ankh@canuck.gen.nz>:
- It seems that the KDKBDREP ioctl is not available on this platform.
- However, Linux/SPARC has its own ioctl for this, with yet another
- different measurement system. Thus, try for KIOCSRATE, too.
-
-*/
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <sys/file.h>
-#include <sys/ioctl.h>
-
-#include "../defines.h"
-#ifdef HAVE_kd_h
-#include <linux/kd.h>
-#endif
-#ifdef __sparc__
-#include <asm/param.h>
-#include <asm/kbio.h>
-#endif
-
-#include "nls.h"
-
-static int valid_rates[] = { 300, 267, 240, 218, 200, 185, 171, 160, 150,
- 133, 120, 109, 100, 92, 86, 80, 75, 67,
- 60, 55, 50, 46, 43, 40, 37, 33, 30, 27,
- 25, 23, 21, 20 };
-#define RATE_COUNT (sizeof( valid_rates ) / sizeof( int ))
-
-static int valid_delays[] = { 250, 500, 750, 1000 };
-#define DELAY_COUNT (sizeof( valid_delays ) / sizeof( int ))
-
-static int
-KDKBDREP_ioctl_ok(double rate, int delay, int silent) {
-#ifdef KDKBDREP
- /* This ioctl is defined in <linux/kd.h> but is not
- implemented anywhere - must be in some m68k patches. */
- struct kbd_repeat kbdrep_s;
-
- /* don't change, just test */
- kbdrep_s.rate = -1;
- kbdrep_s.delay = -1;
- if (ioctl( 0, KDKBDREP, &kbdrep_s )) {
- if (errno == EINVAL)
- return 0;
- perror( "ioctl(KDKBDREP)" );
- exit( 1 );
- }
-
- /* do the change */
- if (rate == 0) /* switch repeat off */
- kbdrep_s.rate = 0;
- else
- kbdrep_s.rate = 1000.0 / rate; /* convert cps to msec */
- if (kbdrep_s.rate < 1)
- kbdrep_s.rate = 1;
- kbdrep_s.delay = delay;
- if (kbdrep_s.delay < 1)
- kbdrep_s.delay = 1;
-
- if (ioctl( 0, KDKBDREP, &kbdrep_s )) {
- perror( "ioctl(KDKBDREP)" );
- exit( 1 );
- }
-
- /* report */
- if (kbdrep_s.rate == 0)
- rate = 0;
- else
- rate = 1000.0 / (double) kbdrep_s.rate;
-
- if (!silent)
- printf( _("Typematic Rate set to %.1f cps (delay = %d ms)\n"),
- rate, kbdrep_s.delay );
-
- return 1; /* success! */
-
-#else /* no KDKBDREP */
- return 0;
-#endif /* KDKBDREP */
-}
-
-static int
-KIOCSRATE_ioctl_ok(double rate, int delay, int silent) {
-#ifdef KIOCSRATE
- struct kbd_rate kbdrate_s;
- int fd;
-
- fd = open("/dev/kbd", O_RDONLY);
- if (fd == -1) {
- perror( "open(/dev/kbd)" );
- exit( 1 );
- }
-
- kbdrate_s.rate = (int) (rate + 0.5); /* must be integer, so round up */
- kbdrate_s.delay = delay * HZ / 1000; /* convert ms to Hz */
- if (kbdrate_s.rate > 50)
- kbdrate_s.rate = 50;
-
- if (ioctl( fd, KIOCSRATE, &kbdrate_s )) {
- perror( "ioctl(KIOCSRATE)" );
- exit( 1 );
- }
- close( fd );
-
- if (!silent)
- printf( "Typematic Rate set to %d cps (delay = %d ms)\n",
- kbdrate_s.rate, kbdrate_s.delay * 1000 / HZ );
-
- return 1;
-#else /* no KIOCSRATE */
- return 0;
-#endif /* KIOCSRATE */
-}
-
-int main( int argc, char **argv )
-{
-#ifdef __sparc__
- double rate = 5.0; /* Default rate */
- int delay = 200; /* Default delay */
-#else
- double rate = 10.9; /* Default rate */
- int delay = 250; /* Default delay */
-#endif
- int value = 0x7f; /* Maximum delay with slowest rate */
- /* DO NOT CHANGE this value */
- int silent = 0;
- int fd;
- char data;
- int c;
- int i;
- extern char *optarg;
-
- setlocale(LC_ALL, "");
- bindtextdomain(PACKAGE, LOCALEDIR);
- textdomain(PACKAGE);
-
-
- while ( (c = getopt( argc, argv, "r:d:svVh?" )) != EOF ) {
- switch (c) {
- case 'r':
- rate = atof( optarg );
- break;
- case 'd':
- delay = atoi( optarg );
- break;
- case 's':
- silent = 1;
- break;
- case 'v':
- case 'V':
- fprintf( stderr, "util-linux %s kbdrate\n", UTIL_LINUX_VERSION);
- exit(0);
- case 'h':
- case '?':
- fprintf( stderr,
- _("Usage: kbdrate [-V] [-s] [-r rate] [-d delay]\n"));
- exit(0);
- }
- }
-
- if(KDKBDREP_ioctl_ok(rate, delay, silent)) /* m68k? */
- return 0;
-
- if(KIOCSRATE_ioctl_ok(rate, delay, silent)) /* sparc? */
- return 0;
-
-
- /* The ioport way */
-
- for (i = 0; i < RATE_COUNT; i++)
- if (rate * 10 >= valid_rates[i]) {
- value &= 0x60;
- value |= i;
- break;
- }
-
-
- for (i = 0; i < DELAY_COUNT; i++)
- if (delay <= valid_delays[i]) {
- value &= 0x1f;
- value |= i << 5;
- break;
- }
-
- if ( (fd = open( "/dev/port", O_RDWR )) < 0) {
- perror( _("Cannot open /dev/port") );
- exit( 1 );
- }
-
- do {
- lseek( fd, 0x64, 0 );
- read( fd, &data, 1 );
- } while ((data & 2) == 2 ); /* wait */
-
- lseek( fd, 0x60, 0 );
- data = 0xf3; /* set typematic rate */
- write( fd, &data, 1 );
-
- do {
- lseek( fd, 0x64, 0 );
- read( fd, &data, 1 );
- } while ((data & 2) == 2 ); /* wait */
-
- lseek( fd, 0x60, 0 );
- sleep( 1 );
- write( fd, &value, 1 );
-
- close( fd );
-
- if (!silent)
- printf( _("Typematic Rate set to %.1f cps (delay = %d ms)\n"),
- valid_rates[value & 0x1f] / 10.0,
- valid_delays[ (value & 0x60) >> 5 ] );
-
- return 0;
-}
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