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/*
* Copyright 1995 by Frederic Lepied, France. <fred@sugix.frmug.fr.net>
*
* 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 name of Frederic Lepied not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Frederic Lepied makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL FREDERIC LEPIED 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.
*
*/
/* Modified for FreeBSD by David Dawes <dawes@XFree86.org> */
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/bsd_jstk.c,v 3.7 1998/07/25 16:56:34 dawes Exp $ */
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <machine/joystick.h>
#include <fcntl.h>
#ifdef XFree86LOADER
#include "misc.h"
#include "xf86_libc.h"
#endif
#include "xf86.h"
#define JS_RETURN sizeof(struct joystick)
/***********************************************************************
*
* xf86JoystickOn --
*
* open the device and init timeout according to the device value.
*
***********************************************************************
*/
int
xf86JoystickOn(char * name, int *timeout, int *centerX, int *centerY)
{
int status;
int changed = 0;
int timeinmicros;
struct joystick js;
#ifdef DEBUG
ErrorF("xf86JoystickOn: %s\n", name);
#endif
if ((status = open(name, O_RDWR | O_NDELAY, 0)) < 0)
{
xf86Msg(X_WARNING, "xf86JoystickOn: Cannot open joystick '%s' (%s)\n",
name, strerror(errno));
return -1;
}
if (*timeout <= 0) {
/* Use the current setting */
ioctl(status, JOY_GETTIMEOUT, (char *)&timeinmicros);
*timeout = timeinmicros / 1000;
if (*timeout == 0)
*timeout = 1;
changed = 1;
}
/* Maximum allowed timeout in the FreeBSD driver is 10ms */
if (*timeout > 10) {
*timeout = 10;
changed = 1;
}
if (changed)
xf86Msg(X_PROBED, "Joystick: timeout value = %d\n", *timeout);
timeinmicros = *timeout * 1000;
/* Assume the joystick is centred when this is called */
read(status, &js, JS_RETURN);
if (*centerX < 0) {
*centerX = js.x;
xf86Msg(X_PROBED, "Joystick: CenterX set to %d\n", *centerX);
}
if (*centerY < 0) {
*centerY = js.y;
xf86Msg(X_PROBED, "Joystick: CenterY set to %d\n", *centerY);
}
return status;
}
/***********************************************************************
*
* xf86JoystickInit --
*
* called when X device is initialized.
*
***********************************************************************
*/
void
xf86JoystickInit()
{
return;
}
/***********************************************************************
*
* xf86JoystickOff --
*
* close the handle.
*
***********************************************************************
*/
int
xf86JoystickOff(int *fd, int doclose)
{
int oldfd;
if (((oldfd = *fd) >= 0) && doclose) {
close(*fd);
*fd = -1;
}
return oldfd;
}
/***********************************************************************
*
* xf86JoystickGetState --
*
* return the state of buttons and the position of the joystick.
*
***********************************************************************
*/
int
xf86JoystickGetState(int fd, int *x, int *y, int *buttons)
{
struct joystick js;
int status;
status = read(fd, &js, JS_RETURN);
if (status != JS_RETURN)
{
Error("Joystick read");
return 0;
}
*x = js.x;
*y = js.y;
*buttons = js.b1 | (js.b2 << 1);
#ifdef DEBUG
ErrorF("xf86JoystickGetState: x = %d, y = %d, buttons = %d\n", *x, *y,
*buttons);
#endif
return 1;
}
#ifdef XFree86LOADER
/*
* Entry point for XFree86 Loader
*/
void
bsd_jstkModuleInit(pointer *data, INT32 *magic)
{
*magic = MAGIC_DONE;
*data = NULL;
}
#endif
/* end of bsd_jstk.c */
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