162 lines
5.7 KiB
C
162 lines
5.7 KiB
C
/*
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* Copyright 2002 Red Hat Inc., Durham, North Carolina.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Authors:
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* Rickard E. (Rik) Faith <faith@redhat.com>
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*
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*/
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/** \file
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*
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* This code implements a low-level device driver for a non-keyboard,
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* non-mouse USB device (e.g., a joystick or gamepad). */
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include "usb-private.h"
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/*****************************************************************************/
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/* Define some macros to make it easier to move this file to another
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* part of the Xserver tree. All calls to the dmx* layer are #defined
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* here for the .c file. The .h file will also have to be edited. */
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#include "dmxinputinit.h"
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#include "usb-other.h"
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#define GETPRIV myPrivate *priv \
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= ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
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#define LOG0(f) dmxLog(dmxDebug,f)
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#define LOG1(f,a) dmxLog(dmxDebug,f,a)
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#define LOG2(f,a,b) dmxLog(dmxDebug,f,a,b)
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#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
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#define FATAL0(f) dmxLog(dmxFatal,f)
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#define FATAL1(f,a) dmxLog(dmxFatal,f,a)
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#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)
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#define MOTIONPROC dmxMotionProcPtr
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#define ENQUEUEPROC dmxEnqueueProcPtr
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#define CHECKPROC dmxCheckSpecialProcPtr
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#define BLOCK DMXBlockType
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/* End of interface definitions. */
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/*****************************************************************************/
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/** Read the USB device using #usbRead. */
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void othUSBRead(DevicePtr pDev,
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MOTIONPROC motion,
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ENQUEUEPROC enqueue,
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CHECKPROC checkspecial,
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BLOCK block)
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{
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usbRead(pDev, motion, enqueue, 0xffff, block);
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}
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/** Initialize \a pDev using #usbInit. */
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void othUSBInit(DevicePtr pDev)
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{
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usbInit(pDev, usbOther);
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}
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/** Turn \a pDev on (i.e., take input from \a pDev). */
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int othUSBOn(DevicePtr pDev)
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{
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GETPRIV;
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if (priv->fd < 0) othUSBInit(pDev);
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return priv->fd;
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}
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/** Fill the \a info structure with information needed to initialize \a
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* pDev. */
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void othUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
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{
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GETPRIV;
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int i, j;
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static KeySym keyboard_mapping = NoSymbol;
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int absolute[5];
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#define test_bit(bit) (priv->mask[(bit)/8] & (1 << ((bit)%8)))
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/* Some USB mice devices return key
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* events from their pair'd
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* keyboard... */
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info->keyClass = 1;
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info->keySyms.minKeyCode = 8;
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info->keySyms.maxKeyCode = 8;
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info->keySyms.mapWidth = 1;
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info->keySyms.map = &keyboard_mapping;
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for (i = 0; i < EV_MAX; i++) {
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if (test_bit(i)) {
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switch (i) {
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case EV_KEY:
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/* See above */
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break;
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case EV_REL:
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info->valuatorClass = 1;
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if (info->numRelAxes + info->numAbsAxes > DMX_MAX_AXES - 1) {
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info->numRelAxes = DMX_MAX_AXES - info->numAbsAxes - 1;
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dmxLog(dmxWarning, "Can only use %d relative axes\n",
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info->numRelAxes);
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} else
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info->numRelAxes = priv->numRel;
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info->minval[0] = 0;
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info->maxval[0] = 0;
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info->res[0] = 1;
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info->minres[0] = 0;
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info->maxres[0] = 1;
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break;
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case EV_ABS:
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info->valuatorClass = 1;
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if (info->numRelAxes + info->numAbsAxes > DMX_MAX_AXES - 1) {
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info->numAbsAxes = DMX_MAX_AXES - info->numRelAxes - 1;
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dmxLog(dmxWarning, "Can only use %d absolute axes\n",
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info->numAbsAxes);
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} else
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info->numAbsAxes = priv->numAbs;
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for (j = 0; j < info->numAbsAxes; j++) {
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ioctl(priv->fd, EVIOCGABS(j), absolute);
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info->minval[1+j] = absolute[1];
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info->maxval[1+j] = absolute[2];
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info->res[1+j] = absolute[3];
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info->minres[1+j] = absolute[3];
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info->maxres[1+j] = absolute[3];
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}
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break;
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case EV_LED:
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info->ledFeedbackClass = 0; /* Not supported at this time */
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break;
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case EV_SND:
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info->belFeedbackClass = 0; /* Not supported at this time */
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break;
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}
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}
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}
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}
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