263 lines
7.5 KiB
C
263 lines
7.5 KiB
C
/*
|
|
* $RCSId: xc/programs/Xserver/hw/kdrive/linux/tslib.c,v 1.1 2002/11/01 22:27:49 keithp Exp $
|
|
* TSLIB based touchscreen driver for TinyX
|
|
* Derived from ts.c by Keith Packard
|
|
* Derived from ps2.c by Jim Gettys
|
|
*
|
|
* Copyright © 1999 Keith Packard
|
|
* Copyright © 2000 Compaq Computer Corporation
|
|
* Copyright © 2002 MontaVista Software Inc.
|
|
* Copyright © 2005 OpenedHand Ltd.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 Michael Taht or MontaVista not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. Michael Taht and Montavista make no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* MICHAEL TAHT AND MONTAVISTA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
|
|
* IN NO EVENT SHALL EITHER 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.
|
|
*
|
|
* 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 Matthew Allum or OpenedHand not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. Matthew Allum and OpenedHand make no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* MATTHEW ALLUM AND OPENEDHAND DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
|
|
* IN NO EVENT SHALL EITHER 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.
|
|
*/
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
#define NEED_EVENTS
|
|
#include <X11/X.h>
|
|
#include <X11/Xproto.h>
|
|
#include <X11/Xpoll.h>
|
|
#include "inputstr.h"
|
|
#include "scrnintstr.h"
|
|
#include "kdrive.h"
|
|
#include <sys/ioctl.h>
|
|
#include <tslib.h>
|
|
|
|
static struct tsdev *tsDev = NULL;
|
|
|
|
static char *TsNames[] = {
|
|
NULL, /* set via TSLIB_TSDEVICE */
|
|
"/dev/ts",
|
|
"/dev/touchscreen/0",
|
|
};
|
|
|
|
#define NUM_TS_NAMES (sizeof (TsNames) / sizeof (TsNames[0]))
|
|
|
|
/* For XCalibrate extension */
|
|
void (*tslib_raw_event_hook)(int x, int y, int pressure, void *closure);
|
|
void *tslib_raw_event_closure;
|
|
|
|
int TsInputType = 0;
|
|
int KdTsPhyScreen = 0; /* XXX Togo .. */
|
|
|
|
static void
|
|
TsRead (int tsPort, void *closure)
|
|
{
|
|
KdMouseInfo *mi = closure;
|
|
struct ts_sample event;
|
|
long x, y;
|
|
unsigned long flags;
|
|
|
|
if (tslib_raw_event_hook)
|
|
{
|
|
/* XCalibrate Ext */
|
|
if (ts_read_raw(tsDev, &event, 1) == 1)
|
|
{
|
|
tslib_raw_event_hook (event.x,
|
|
event.y,
|
|
event.pressure,
|
|
tslib_raw_event_closure);
|
|
}
|
|
return;
|
|
}
|
|
|
|
while (ts_read(tsDev, &event, 1) == 1)
|
|
{
|
|
flags = (event.pressure) ? KD_BUTTON_1 : 0;
|
|
x = event.x;
|
|
y = event.y;
|
|
|
|
KdEnqueueMouseEvent (mi, flags, x, y);
|
|
}
|
|
}
|
|
|
|
static int
|
|
TsLibOpen(char *dev)
|
|
{
|
|
if(!(tsDev = ts_open(dev, 0)))
|
|
return -1;
|
|
|
|
if (ts_config(tsDev))
|
|
return -1;
|
|
|
|
return ts_fd(tsDev);
|
|
}
|
|
|
|
static int
|
|
TslibEnable (int not_needed_fd, void *closure)
|
|
{
|
|
KdMouseInfo *mi = closure;
|
|
int fd = 0;
|
|
|
|
if ((fd = TsLibOpen(mi->name)) == -1)
|
|
ErrorF ("Unable to re-enable TSLib ( on %s )", mi->name);
|
|
|
|
return fd;
|
|
}
|
|
|
|
static void
|
|
TslibDisable (int fd, void *closure)
|
|
{
|
|
if (tsDev)
|
|
ts_close(tsDev);
|
|
tsDev = NULL;
|
|
}
|
|
|
|
static int
|
|
TslibInit (void)
|
|
{
|
|
int i, j = 0;
|
|
KdMouseInfo *mi, *next;
|
|
int fd = 0;
|
|
int req_type;
|
|
|
|
if (!TsInputType)
|
|
{
|
|
TsInputType = KdAllocInputType ();
|
|
KdParseMouse(0); /* allocate safe slot in kdMouseInfo */
|
|
req_type = 0;
|
|
}
|
|
else req_type = TsInputType; /* is being re-inited */
|
|
|
|
for (mi = kdMouseInfo; mi; mi = next)
|
|
{
|
|
next = mi->next;
|
|
|
|
/* find a usuable slot */
|
|
if (mi->inputType != req_type)
|
|
continue;
|
|
|
|
/* Check for tslib env var device setting */
|
|
if ((TsNames[0] = getenv("TSLIB_TSDEVICE")) == NULL)
|
|
j++;
|
|
|
|
if (!mi->name)
|
|
{
|
|
for (i = j; i < NUM_TS_NAMES; i++)
|
|
{
|
|
fd = TsLibOpen(TsNames[i]);
|
|
|
|
if (fd >= 0)
|
|
{
|
|
mi->name = KdSaveString (TsNames[i]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
fd = TsLibOpen(mi->name);
|
|
|
|
if (fd >= 0 && tsDev != NULL)
|
|
{
|
|
mi->driver = (void *) fd;
|
|
mi->inputType = TsInputType;
|
|
|
|
KdRegisterFd (TsInputType, fd, TsRead, (void *) mi);
|
|
|
|
/* Set callbacks for vt switches etc */
|
|
KdRegisterFdEnableDisable (fd, TslibEnable, TslibDisable);
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
ErrorF ("Failed to open TSLib device, tried ");
|
|
for (i = j; i < NUM_TS_NAMES; i++)
|
|
ErrorF ("%s ", TsNames[i]);
|
|
ErrorF (".\n");
|
|
if (!TsNames[0])
|
|
ErrorF ("Try setting TSLIB_TSDEVICE to valid /dev entry?\n");
|
|
|
|
if (fd > 0)
|
|
close(fd);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
TslibFini (void)
|
|
{
|
|
KdMouseInfo *mi;
|
|
|
|
KdUnregisterFds (TsInputType, TRUE);
|
|
for (mi = kdMouseInfo; mi; mi = mi->next)
|
|
{
|
|
if (mi->inputType == TsInputType)
|
|
{
|
|
if(mi->driver)
|
|
{
|
|
ts_close(tsDev);
|
|
tsDev = NULL;
|
|
}
|
|
mi->driver = 0;
|
|
|
|
/* If below is set to 0, then MouseInit() will trash it,
|
|
* setting to 'mouse type' ( via server reset). Therefore
|
|
* Leave it alone and work around in TslibInit() ( see
|
|
* req_type ).
|
|
*/
|
|
/* mi->inputType = 0; */
|
|
}
|
|
}
|
|
}
|
|
|
|
KdMouseFuncs TsFuncs = {
|
|
TslibInit,
|
|
TslibFini
|
|
};
|