diff options
Diffstat (limited to 'hw/dmx/input/usb-other.c')
| -rw-r--r-- | hw/dmx/input/usb-other.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/hw/dmx/input/usb-other.c b/hw/dmx/input/usb-other.c new file mode 100644 index 000000000..968c894f0 --- /dev/null +++ b/hw/dmx/input/usb-other.c @@ -0,0 +1,158 @@ +/* $XFree86$ */ +/* + * 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 non-keyboard, + * non-mouse USB device (e.g., a joystick or gamepad). */ + +#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 "dmxinputinit.h" +#include "usb-other.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 othUSBRead(DevicePtr pDev, + MOTIONPROC motion, + ENQUEUEPROC enqueue, + CHECKPROC checkspecial, + BLOCK block) +{ + usbRead(pDev, motion, enqueue, 0xffff, block); +} + +/** Initialize \a pDev using #usbInit. */ +void othUSBInit(DevicePtr pDev) +{ + usbInit(pDev, usbOther); +} + +/** Turn \a pDev on (i.e., take input from \a pDev). */ +int othUSBOn(DevicePtr pDev) +{ + GETPRIV; + + if (priv->fd < 0) othUSBInit(pDev); + return priv->fd; +} + +/** Fill the \a info structure with information needed to initialize \a + * pDev. */ +void othUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info) +{ + GETPRIV; + int i, j; + static KeySym keyboard_mapping = NoSymbol; + int absolute[5]; + +#define test_bit(bit) (priv->mask[(bit)/8] & (1 << ((bit)%8))) + + /* 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; + + for (i = 0; i < EV_MAX; i++) { + if (test_bit(i)) { + switch (i) { + case EV_KEY: + /* See above */ + break; + case EV_REL: + info->valuatorClass = 1; + if (info->numRelAxes + info->numAbsAxes > DMX_MAX_AXES - 1) { + info->numRelAxes = DMX_MAX_AXES - info->numAbsAxes - 1; + dmxLog(dmxWarning, "Can only use %d relative axes\n", + info->numRelAxes); + } else + info->numRelAxes = priv->numRel; + info->minval[0] = 0; + info->maxval[0] = 0; + info->res[0] = 1; + info->minres[0] = 0; + info->maxres[0] = 1; + break; + case EV_ABS: + info->valuatorClass = 1; + if (info->numRelAxes + info->numAbsAxes > DMX_MAX_AXES - 1) { + info->numAbsAxes = DMX_MAX_AXES - info->numRelAxes - 1; + dmxLog(dmxWarning, "Can only use %d absolute axes\n", + info->numAbsAxes); + } else + info->numAbsAxes = priv->numAbs; + for (j = 0; j < info->numAbsAxes; j++) { + ioctl(priv->fd, EVIOCGABS(j), abs); + info->minval[1+j] = absolute[1]; + info->maxval[1+j] = absolute[2]; + info->res[1+j] = absolute[3]; + info->minres[1+j] = absolute[3]; + info->maxres[1+j] = absolute[3]; + } + break; + case EV_LED: + info->ledFeedbackClass = 0; /* Not supported at this time */ + break; + case EV_SND: + info->belFeedbackClass = 0; /* Not supported at this time */ + break; + } + } + } +} |