From c38dead3ea7e177728d90cd815cf4eead0c9f534 Mon Sep 17 00:00:00 2001 From: marha Date: Sat, 15 May 2010 16:28:11 +0000 Subject: xserver git update 15/5/2010 --- xorg-server/hw/kdrive/linux/tslib.c | 380 ++++++++++++++++++------------------ 1 file changed, 190 insertions(+), 190 deletions(-) (limited to 'xorg-server/hw/kdrive/linux/tslib.c') diff --git a/xorg-server/hw/kdrive/linux/tslib.c b/xorg-server/hw/kdrive/linux/tslib.c index 322ccc7d5..ee0f779f3 100644 --- a/xorg-server/hw/kdrive/linux/tslib.c +++ b/xorg-server/hw/kdrive/linux/tslib.c @@ -1,190 +1,190 @@ -/* - * 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 -#endif - -#include -#include -#include -#include "inputstr.h" -#include "scrnintstr.h" -#include "kdrive.h" -#include -#include -#include -#include - -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); - private->fd = ts_fd(private->tsDev); - if (!private->tsDev || ts_config(private->tsDev) || private->fd < 0) { - ErrorF("[tslib/TslibEnable] failed to open %s\n", pi->path); - if (private->fd >= 0) - close(private->fd); - return BadAlloc; - } - - 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 *) - xcalloc(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) -{ - xfree(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 +#endif + +#include +#include +#include +#include "inputstr.h" +#include "scrnintstr.h" +#include "kdrive.h" +#include +#include +#include +#include + +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); + private->fd = ts_fd(private->tsDev); + if (!private->tsDev || ts_config(private->tsDev) || private->fd < 0) { + ErrorF("[tslib/TslibEnable] failed to open %s\n", pi->path); + if (private->fd >= 0) + close(private->fd); + return BadAlloc; + } + + 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, +}; -- cgit v1.2.3