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Diffstat (limited to 'xorg-server/hw/kdrive/linux/tslib.c')
-rw-r--r--xorg-server/hw/kdrive/linux/tslib.c394
1 files changed, 197 insertions, 197 deletions
diff --git a/xorg-server/hw/kdrive/linux/tslib.c b/xorg-server/hw/kdrive/linux/tslib.c
index 8d6007390..1f30ccae7 100644
--- a/xorg-server/hw/kdrive/linux/tslib.c
+++ b/xorg-server/hw/kdrive/linux/tslib.c
@@ -1,197 +1,197 @@
-/*
- * TSLIB based touchscreen driver for KDrive
- * Porting to new input API and event queueing by Daniel Stone.
- * 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.
- * Copyright © 2006 Nokia 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 the authors and/or copyright holders
- * not be used in advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission. The authors and/or
- * copyright holders make no representations about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- *
- * THE AUTHORS AND/OR COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD
- * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS, IN NO EVENT SHALL THE AUTHORS AND/OR COPYRIGHT HOLDERS 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_KDRIVE_CONFIG_H
-#include <kdrive-config.h>
-#endif
-
-#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>
-#include <dirent.h>
-#include <linux/input.h>
-
-struct TslibPrivate {
- int fd;
- int lastx, lasty;
- struct tsdev *tsDev;
- void (*raw_event_hook)(int x, int y, int pressure, void *closure);
- void *raw_event_closure;
- int phys_screen;
-};
-
-
-static void
-TsRead (int fd, void *closure)
-{
- KdPointerInfo *pi = closure;
- struct TslibPrivate *private = pi->driverPrivate;
- struct ts_sample event;
- long x = 0, y = 0;
- unsigned long flags;
-
- if (private->raw_event_hook) {
- while (ts_read_raw(private->tsDev, &event, 1) == 1)
- private->raw_event_hook (event.x, event.y, event.pressure,
- private->raw_event_closure);
- return;
- }
-
- while (ts_read(private->tsDev, &event, 1) == 1) {
- if (event.pressure) {
- flags = KD_BUTTON_1;
-
- /*
- * 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 (KdCurScreen == private->phys_screen) {
- x = event.x;
- y = event.y;
- } else {
- flags |= KD_MOUSE_DELTA;
- if ((private->lastx == 0) || (private->lasty == 0)) {
- x = event.x;
- y = event.y;
- } else {
- x = event.x - private->lastx;
- y = event.y - private->lasty;
- }
- }
- private->lastx = event.x;
- private->lasty = event.y;
- } else {
- flags = 0;
- x = private->lastx;
- y = private->lasty;
- }
-
- KdEnqueuePointerEvent (pi, flags, x, y, event.pressure);
- }
-}
-
-static Status
-TslibEnable (KdPointerInfo *pi)
-{
- struct TslibPrivate *private = pi->driverPrivate;
-
- private->raw_event_hook = NULL;
- private->raw_event_closure = NULL;
- if (!pi->path) {
- pi->path = strdup("/dev/input/touchscreen0");
- ErrorF("[tslib/TslibEnable] no device path given, trying %s\n", pi->path);
- }
-
- private->tsDev = ts_open(pi->path, 0);
- if (!private->tsDev) {
- ErrorF("[tslib/TslibEnable] failed to open %s\n", pi->path);
- return BadAlloc;
- }
-
- if (ts_config(private->tsDev)) {
- ErrorF("[tslib/TslibEnable] failed to load configuration\n");
- ts_close(private->tsDev);
- private->tsDev = NULL;
- return BadValue;
- }
-
- private->fd = ts_fd(private->tsDev);
-
- KdRegisterFd(private->fd, TsRead, pi);
-
- return Success;
-}
-
-
-static void
-TslibDisable (KdPointerInfo *pi)
-{
- struct TslibPrivate *private = pi->driverPrivate;
-
- if (private->fd)
- KdUnregisterFd(pi, private->fd, TRUE);
-
- if (private->tsDev)
- ts_close(private->tsDev);
-
- private->fd = 0;
- private->tsDev = NULL;
-}
-
-
-static Status
-TslibInit (KdPointerInfo *pi)
-{
- struct TslibPrivate *private = NULL;
-
- if (!pi || !pi->dixdev)
- return !Success;
-
- pi->driverPrivate = (struct TslibPrivate *)
- calloc(sizeof(struct TslibPrivate), 1);
- if (!pi->driverPrivate)
- return !Success;
-
- private = pi->driverPrivate;
- /* hacktastic */
- private->phys_screen = 0;
- pi->nAxes = 3;
- pi->name = strdup("Touchscreen");
- pi->inputClass = KD_TOUCHSCREEN;
-
- return Success;
-}
-
-
-static void
-TslibFini (KdPointerInfo *pi)
-{
- free(pi->driverPrivate);
- pi->driverPrivate = NULL;
-}
-
-
-KdPointerDriver TsDriver = {
- "tslib",
- TslibInit,
- TslibEnable,
- TslibDisable,
- TslibFini,
- NULL,
-};
+/*
+ * TSLIB based touchscreen driver for KDrive
+ * Porting to new input API and event queueing by Daniel Stone.
+ * 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.
+ * Copyright © 2006 Nokia 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 the authors and/or copyright holders
+ * not be used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission. The authors and/or
+ * copyright holders make no representations about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ *
+ * THE AUTHORS AND/OR COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS AND/OR COPYRIGHT HOLDERS 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_KDRIVE_CONFIG_H
+#include <kdrive-config.h>
+#endif
+
+#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>
+#include <dirent.h>
+#include <linux/input.h>
+
+struct TslibPrivate {
+ int fd;
+ int lastx, lasty;
+ struct tsdev *tsDev;
+ void (*raw_event_hook)(int x, int y, int pressure, void *closure);
+ void *raw_event_closure;
+ int phys_screen;
+};
+
+
+static void
+TsRead (int fd, void *closure)
+{
+ KdPointerInfo *pi = closure;
+ struct TslibPrivate *private = pi->driverPrivate;
+ struct ts_sample event;
+ long x = 0, y = 0;
+ unsigned long flags;
+
+ if (private->raw_event_hook) {
+ while (ts_read_raw(private->tsDev, &event, 1) == 1)
+ private->raw_event_hook (event.x, event.y, event.pressure,
+ private->raw_event_closure);
+ return;
+ }
+
+ while (ts_read(private->tsDev, &event, 1) == 1) {
+ if (event.pressure) {
+ flags = KD_BUTTON_1;
+
+ /*
+ * 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 (KdCurScreen == private->phys_screen) {
+ x = event.x;
+ y = event.y;
+ } else {
+ flags |= KD_MOUSE_DELTA;
+ if ((private->lastx == 0) || (private->lasty == 0)) {
+ x = event.x;
+ y = event.y;
+ } else {
+ x = event.x - private->lastx;
+ y = event.y - private->lasty;
+ }
+ }
+ private->lastx = event.x;
+ private->lasty = event.y;
+ } else {
+ flags = 0;
+ x = private->lastx;
+ y = private->lasty;
+ }
+
+ KdEnqueuePointerEvent (pi, flags, x, y, event.pressure);
+ }
+}
+
+static Status
+TslibEnable (KdPointerInfo *pi)
+{
+ struct TslibPrivate *private = pi->driverPrivate;
+
+ private->raw_event_hook = NULL;
+ private->raw_event_closure = NULL;
+ if (!pi->path) {
+ pi->path = strdup("/dev/input/touchscreen0");
+ ErrorF("[tslib/TslibEnable] no device path given, trying %s\n", pi->path);
+ }
+
+ private->tsDev = ts_open(pi->path, 0);
+ if (!private->tsDev) {
+ ErrorF("[tslib/TslibEnable] failed to open %s\n", pi->path);
+ return BadAlloc;
+ }
+
+ if (ts_config(private->tsDev)) {
+ ErrorF("[tslib/TslibEnable] failed to load configuration\n");
+ ts_close(private->tsDev);
+ private->tsDev = NULL;
+ return BadValue;
+ }
+
+ private->fd = ts_fd(private->tsDev);
+
+ KdRegisterFd(private->fd, TsRead, pi);
+
+ return Success;
+}
+
+
+static void
+TslibDisable (KdPointerInfo *pi)
+{
+ struct TslibPrivate *private = pi->driverPrivate;
+
+ if (private->fd)
+ KdUnregisterFd(pi, private->fd, TRUE);
+
+ if (private->tsDev)
+ ts_close(private->tsDev);
+
+ private->fd = 0;
+ private->tsDev = NULL;
+}
+
+
+static Status
+TslibInit (KdPointerInfo *pi)
+{
+ struct TslibPrivate *private = NULL;
+
+ if (!pi || !pi->dixdev)
+ return !Success;
+
+ pi->driverPrivate = (struct TslibPrivate *)
+ calloc(sizeof(struct TslibPrivate), 1);
+ if (!pi->driverPrivate)
+ return !Success;
+
+ private = pi->driverPrivate;
+ /* hacktastic */
+ private->phys_screen = 0;
+ pi->nAxes = 3;
+ pi->name = strdup("Touchscreen");
+ pi->inputClass = KD_TOUCHSCREEN;
+
+ return Success;
+}
+
+
+static void
+TslibFini (KdPointerInfo *pi)
+{
+ free(pi->driverPrivate);
+ pi->driverPrivate = NULL;
+}
+
+
+KdPointerDriver TsDriver = {
+ "tslib",
+ TslibInit,
+ TslibEnable,
+ TslibDisable,
+ TslibFini,
+ NULL,
+};