xenocara/xserver/hw/xfree86/os-support/linux/lnx_io.c
2006-11-26 18:13:41 +00:00

247 lines
6.1 KiB
C

/*
* Copyright 1992 by Orest Zborowski <obz@Kodak.com>
* Copyright 1993 by David Dawes <dawes@xfree86.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the names of Orest Zborowski and David Dawes
* not be used in advertising or publicity pertaining to distribution of
* the software without specific, written prior permission. Orest Zborowski
* and David Dawes make no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* OREST ZBOROWSKI AND DAVID DAWES DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL OREST ZBOROWSKI OR DAVID DAWES BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/* $XConsortium: lnx_io.c /main/8 1996/10/19 18:06:28 kaleb $ */
#define NEED_EVENTS
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include "compiler.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86_OSlib.h"
#define KBC_TIMEOUT 250 /* Timeout in ms for sending to keyboard controller */
_X_EXPORT void
xf86SoundKbdBell(int loudness, int pitch, int duration)
{
if (loudness && pitch)
{
ioctl(xf86Info.consoleFd, KDMKTONE,
((1193190 / pitch) & 0xffff) |
(((unsigned long)duration *
loudness / 50) << 16));
}
}
void
xf86SetKbdLeds(int leds)
{
ioctl(xf86Info.consoleFd, KDSETLED, leds);
}
int
xf86GetKbdLeds()
{
int leds = 0;
ioctl(xf86Info.consoleFd, KDGETLED, &leds);
return(leds);
}
static int
KDKBDREP_ioctl_ok(int rate, int delay) {
#if defined(KDKBDREP) && !defined(__sparc__)
/* 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.LNX_KBD_PERIOD_NAME = -1;
kbdrep_s.delay = -1;
if (ioctl( xf86Info.consoleFd, KDKBDREP, &kbdrep_s )) {
return 0;
}
/* do the change */
if (rate == 0) /* switch repeat off */
kbdrep_s.LNX_KBD_PERIOD_NAME = 0;
else
kbdrep_s.LNX_KBD_PERIOD_NAME = 10000 / rate; /* convert cps to msec */
if (kbdrep_s.LNX_KBD_PERIOD_NAME < 1)
kbdrep_s.LNX_KBD_PERIOD_NAME = 1;
kbdrep_s.delay = delay;
if (kbdrep_s.delay < 1)
kbdrep_s.delay = 1;
if (ioctl( xf86Info.consoleFd, KDKBDREP, &kbdrep_s )) {
return 0;
}
return 1; /* success! */
#else /* no KDKBDREP */
return 0;
#endif /* KDKBDREP */
}
static int
KIOCSRATE_ioctl_ok(int rate, int delay) {
#ifdef KIOCSRATE
struct kbd_rate kbdrate_s;
int fd;
fd = open("/dev/kbd", O_RDONLY);
if (fd == -1)
return 0;
kbdrate_s.rate = (rate + 5) / 10; /* 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 )) {
return 0;
}
close( fd );
return 1;
#else /* no KIOCSRATE */
return 0;
#endif /* KIOCSRATE */
}
void xf86SetKbdRepeat(char rad)
{
#ifdef __sparc__
int rate = 500; /* Default rate */
int delay = 200; /* Default delay */
#else
int rate = 300; /* Default rate */
int delay = 250; /* Default delay */
#endif
#if defined(__alpha__) || defined (__i386__) || defined(__ia64__)
int i;
int timeout;
int value = 0x7f; /* Maximum delay with slowest rate */
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 ))
#endif
if (xf86Info.kbdRate >= 0)
rate = xf86Info.kbdRate * 10;
if (xf86Info.kbdDelay >= 0)
delay = xf86Info.kbdDelay;
if(KDKBDREP_ioctl_ok(rate, delay)) /* m68k? */
return;
if(KIOCSRATE_ioctl_ok(rate, delay)) /* sparc? */
return;
if (xf86IsPc98())
return;
#if defined(__alpha__) || defined (__i386__) || defined(__ia64__)
/* The ioport way */
for (i = 0; i < RATE_COUNT; i++)
if (rate >= 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;
}
timeout = KBC_TIMEOUT;
while (((inb(0x64) & 2) == 2) && --timeout)
usleep(1000); /* wait */
if (timeout == 0)
return;
outb(0x60, 0xf3); /* set typematic rate */
while (((inb(0x64) & 2) == 2) && --timeout)
usleep(1000); /* wait */
usleep(10000);
outb(0x60, value);
#endif /* __alpha__ || __i386__ || __ia64__ */
}
static int kbdtrans;
static struct termios kbdtty;
void
xf86KbdInit()
{
ioctl (xf86Info.consoleFd, KDGKBMODE, &kbdtrans);
tcgetattr (xf86Info.consoleFd, &kbdtty);
}
int
xf86KbdOn()
{
struct termios nTty;
#ifdef __powerpc__
if (xf86Info.kbdCustomKeycodes)
ioctl(xf86Info.consoleFd, KDSKBMODE, K_MEDIUMRAW);
else
#endif
ioctl(xf86Info.consoleFd, KDSKBMODE, K_RAW);
nTty = kbdtty;
nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
nTty.c_oflag = 0;
nTty.c_cflag = CREAD | CS8;
nTty.c_lflag = 0;
nTty.c_cc[VTIME]=0;
nTty.c_cc[VMIN]=1;
cfsetispeed(&nTty, 9600);
cfsetospeed(&nTty, 9600);
tcsetattr(xf86Info.consoleFd, TCSANOW, &nTty);
return(xf86Info.consoleFd);
}
int
xf86KbdOff()
{
ioctl(xf86Info.consoleFd, KDSKBMODE, kbdtrans);
tcsetattr(xf86Info.consoleFd, TCSANOW, &kbdtty);
return(xf86Info.consoleFd);
}