2000-09-26 06:31:23 +02:00
|
|
|
|
/*
|
2001-05-23 10:56:09 +02:00
|
|
|
|
* $XFree86: xc/programs/Xserver/hw/kdrive/linux/ts.c,v 1.2 2000/09/26 15:57:04 tsi Exp $
|
2000-09-26 06:31:23 +02:00
|
|
|
|
*
|
|
|
|
|
* Derived from ps2.c by Jim Gettys
|
|
|
|
|
*
|
|
|
|
|
* Copyright <EFBFBD> 1999 Keith Packard
|
|
|
|
|
* Copyright <EFBFBD> 2000 Compaq Computer Corporation
|
|
|
|
|
*
|
|
|
|
|
* 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 Keith Packard or Compaq not be used in
|
|
|
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
|
|
|
* specific, written prior permission. Keith Packard and Compaq makes no
|
|
|
|
|
* representations about the suitability of this software for any purpose. It
|
|
|
|
|
* is provided "as is" without express or implied warranty.
|
|
|
|
|
*
|
|
|
|
|
* KEITH PACKARD AND COMPAQ DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
|
|
|
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
|
|
|
|
|
* IN NO EVENT SHALL KEITH PACKARD 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.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define NEED_EVENTS
|
|
|
|
|
#include "X.h"
|
|
|
|
|
#include "Xproto.h"
|
|
|
|
|
#include "inputstr.h"
|
|
|
|
|
#include "scrnintstr.h"
|
|
|
|
|
#include "kdrive.h"
|
|
|
|
|
#include "Xpoll.h"
|
|
|
|
|
#include <sys/ioctl.h>
|
|
|
|
|
#include <linux/h3600_ts.h> /* touch screen events */
|
|
|
|
|
|
2001-05-23 10:56:09 +02:00
|
|
|
|
static long lastx = 0, lasty = 0;
|
|
|
|
|
int TsScreen;
|
|
|
|
|
extern int TsFbdev;
|
|
|
|
|
|
2000-09-26 06:31:23 +02:00
|
|
|
|
void
|
|
|
|
|
TsRead (int tsPort)
|
|
|
|
|
{
|
|
|
|
|
TS_EVENT event;
|
|
|
|
|
long buf[3];
|
|
|
|
|
int n;
|
|
|
|
|
long pressure;
|
|
|
|
|
long x, y;
|
|
|
|
|
unsigned long flags;
|
|
|
|
|
unsigned long buttons;
|
|
|
|
|
|
|
|
|
|
n = Ps2ReadBytes (tsPort, (char *) &event,
|
|
|
|
|
sizeof (event), sizeof (event));
|
|
|
|
|
if (n == sizeof (event))
|
|
|
|
|
{
|
|
|
|
|
if (event.pressure)
|
|
|
|
|
{
|
2001-05-23 10:56:09 +02:00
|
|
|
|
/*
|
|
|
|
|
* HACK ATTACK. (static global variables used !)
|
|
|
|
|
* Here we test for the touch screen driver actually being on the
|
|
|
|
|
* touch screen, if it is we send absolute coordinates. If not,
|
|
|
|
|
* then we send delta's so that we can track the entire vga screen.
|
|
|
|
|
*/
|
|
|
|
|
if (TsScreen == TsFbdev) {
|
|
|
|
|
flags = KD_BUTTON_1;
|
|
|
|
|
x = event.x;
|
|
|
|
|
y = event.y;
|
|
|
|
|
} else {
|
|
|
|
|
flags = /* KD_BUTTON_1 |*/ KD_MOUSE_DELTA;
|
|
|
|
|
if ((lastx == 0) || (lasty == 0)) {
|
|
|
|
|
x = 0;
|
|
|
|
|
y = 0;
|
|
|
|
|
} else {
|
|
|
|
|
x = event.x - lastx;
|
|
|
|
|
y = event.y - lasty;
|
|
|
|
|
}
|
|
|
|
|
lastx = event.x;
|
|
|
|
|
lasty = event.y;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
2000-09-26 06:31:23 +02:00
|
|
|
|
flags = KD_MOUSE_DELTA;
|
|
|
|
|
x = 0;
|
|
|
|
|
y = 0;
|
2001-05-23 10:56:09 +02:00
|
|
|
|
lastx = 0;
|
|
|
|
|
lasty = 0;
|
2000-09-26 06:31:23 +02:00
|
|
|
|
}
|
|
|
|
|
KdEnqueueMouseEvent (flags, x, y);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
char *TsNames[] = {
|
|
|
|
|
"/dev/ts",
|
|
|
|
|
"/dev/h3600_ts" /* temporary name; note this code can try
|
|
|
|
|
to open more than one device */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define NUM_TS_NAMES (sizeof (TsNames) / sizeof (TsNames[0]))
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
TsInit (void)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
int TsPort;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < NUM_TS_NAMES; i++)
|
|
|
|
|
{
|
|
|
|
|
TsPort = open (TsNames[i], 0);
|
|
|
|
|
if (TsPort >= 0)
|
|
|
|
|
return TsPort;
|
|
|
|
|
}
|
|
|
|
|
perror("Touch screen not found.\n");
|
|
|
|
|
exit (1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
TsFini (int tsPort)
|
|
|
|
|
{
|
|
|
|
|
if (tsPort >= 0)
|
|
|
|
|
close (tsPort);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
KdTsFuncs TsFuncs = {
|
|
|
|
|
TsInit,
|
|
|
|
|
TsRead,
|
|
|
|
|
TsFini
|
|
|
|
|
};
|