Add Distributed Multihead X (DMX) support

1 files changed, 123 insertions, 0 deletions

diff --git a/hw/dmx/input/usb-mouse.c b/hw/dmx/input/usb-mouse.c
new file mode 100644
index 000000000..f6a7e9391
--- /dev/null
+++ b/hw/dmx/input/usb-mouse.c
@@ -0,0 +1,123 @@
+/* $XFree86$ */
+/*
+ * Copyright 2002 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+/** \file
+ *
+ * This code implements a low-level device driver for a USB mouse. */
+
+#include "usb-private.h"
+
+/*****************************************************************************/
+/* Define some macros to make it easier to move this file to another
+ * part of the Xserver tree.  All calls to the dmx* layer are #defined
+ * here for the .c file.  The .h file will also have to be edited. */
+#include "usb-mouse.h"
+
+#define GETPRIV       myPrivate *priv                            \
+                      = ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
+
+#define LOG0(f)       dmxLog(dmxDebug,f)
+#define LOG1(f,a)     dmxLog(dmxDebug,f,a)
+#define LOG2(f,a,b)   dmxLog(dmxDebug,f,a,b)
+#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
+#define FATAL0(f)     dmxLog(dmxFatal,f)
+#define FATAL1(f,a)   dmxLog(dmxFatal,f,a)
+#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)
+#define MOTIONPROC    dmxMotionProcPtr
+#define ENQUEUEPROC   dmxEnqueueProcPtr
+#define CHECKPROC     dmxCheckSpecialProcPtr
+#define BLOCK         DMXBlockType
+
+/* End of interface definitions. */
+/*****************************************************************************/
+
+/** Read the USB device using #usbRead. */
+void mouUSBRead(DevicePtr pDev,
+                MOTIONPROC motion,
+                ENQUEUEPROC enqueue,
+                CHECKPROC checkspecial,
+                BLOCK block)
+{
+    usbRead(pDev, motion, enqueue, BTN_MISC, block);
+}
+
+/** Initialize \a pDev using #usbInit. */
+void mouUSBInit(DevicePtr pDev)
+{
+    usbInit(pDev, usbMouse);
+}
+
+/** Turn \a pDev on (i.e., take input from \a pDev). */
+int mouUSBOn(DevicePtr pDev)
+{
+    GETPRIV;
+
+    if (priv->fd < 0) mouUSBInit(pDev);
+    return priv->fd;
+}
+
+static void mouUSBGetMap(DevicePtr pDev, unsigned char *map, int *nButtons)
+{
+    int i;
+    
+    if (nButtons) *nButtons = 5;
+    if (map) for (i = 0; i <= *nButtons; i++) map[i] = i;
+}
+
+/** Fill the \a info structure with information needed to initialize \a
+ * pDev. */ 
+void mouUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
+{
+    static KeySym keyboard_mapping = NoSymbol;
+
+    info->buttonClass        = 1;
+    mouUSBGetMap(pDev, info->map, &info->numButtons);
+    info->valuatorClass      = 1;
+    info->numRelAxes         = 2;
+    info->minval[0]          = 0;
+    info->maxval[0]          = 0;
+    info->res[0]             = 1;
+    info->minres[0]          = 0;
+    info->maxres[0]          = 1;
+    info->ptrFeedbackClass   = 1;
+
+                                /* Some USB mice devices return key
+                                 * events from their pair'd
+                                 * keyboard...  */
+    info->keyClass           = 1;
+    info->keySyms.minKeyCode = 8;
+    info->keySyms.maxKeyCode = 8;
+    info->keySyms.mapWidth   = 1;
+    info->keySyms.map        = &keyboard_mapping;
+}