/* * $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 #endif #define NEED_EVENTS #include #include #include #include "inputstr.h" #include "scrnintstr.h" #include "kdrive.h" #include #include 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 };