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xf86-input-evdev/src/evdev.c
David Woodhouse 7b285a802b Report initial calibration parameters. 
Where an initial calibration is provided through the Calibration option
to the driver, it wasn't being exposed in the 'Evdev Axis Calibration'
property. Remedy that...

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
2009-12-01 14:14:17 +10:00

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/*
* Copyright © 2004-2008 Red Hat, Inc.
*
* 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 Red Hat
* not be used in advertising or publicity pertaining to distribution
* of the software without specific, written prior permission. Red
* Hat makes no representations about the suitability of this software
* for any purpose. It is provided "as is" without express or implied
* warranty.
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL THE AUTHORS 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.
*
* Authors:
* Kristian Høgsberg (krh@redhat.com)
* Adam Jackson (ajax@redhat.com)
* Peter Hutterer (peter.hutterer@redhat.com)
* Oliver McFadden (oliver.mcfadden@nokia.com)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/keysym.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <xf86.h>
#include <xf86Xinput.h>
#include <exevents.h>
#include <xorgVersion.h>
#include <xkbsrv.h>
#include "evdev.h"
#ifdef HAVE_PROPERTIES
#include <X11/Xatom.h>
#include <evdev-properties.h>
#include <xserver-properties.h>
/* 1.6 has properties, but no labels */
#ifdef AXIS_LABEL_PROP
#define HAVE_LABELS
#else
#undef HAVE_LABELS
#endif
#endif
#ifndef MAXDEVICES
#include <inputstr.h> /* for MAX_DEVICES */
#define MAXDEVICES MAX_DEVICES
#endif
/* 2.4 compatibility */
#ifndef EVIOCGRAB
#define EVIOCGRAB _IOW('E', 0x90, int)
#endif
#ifndef BTN_TASK
#define BTN_TASK 0x117
#endif
#ifndef EV_SYN
#define EV_SYN EV_RST
#endif
/* end compat */
#define ArrayLength(a) (sizeof(a) / (sizeof((a)[0])))
/* evdev flags */
#define EVDEV_KEYBOARD_EVENTS (1 << 0)
#define EVDEV_BUTTON_EVENTS (1 << 1)
#define EVDEV_RELATIVE_EVENTS (1 << 2)
#define EVDEV_ABSOLUTE_EVENTS (1 << 3)
#define EVDEV_TOUCHPAD (1 << 4)
#define EVDEV_INITIALIZED (1 << 5) /* WheelInit etc. called already? */
#define EVDEV_TOUCHSCREEN (1 << 6)
#define EVDEV_CALIBRATED (1 << 7) /* run-time calibrated? */
#define EVDEV_TABLET (1 << 8) /* device looks like a tablet? */
#define EVDEV_UNIGNORE_ABSOLUTE (1 << 9) /* explicitly unignore abs axes */
#define EVDEV_UNIGNORE_RELATIVE (1 << 10) /* explicitly unignore rel axes */
#define MIN_KEYCODE 8
#define GLYPHS_PER_KEY 2
#define AltMask Mod1Mask
#define NumLockMask Mod2Mask
#define AltLangMask Mod3Mask
#define KanaMask Mod4Mask
#define ScrollLockMask Mod5Mask
#define CAPSFLAG 1
#define NUMFLAG 2
#define SCROLLFLAG 4
#define MODEFLAG 8
#define COMPOSEFLAG 16
static const char *evdevDefaults[] = {
"XkbRules", "evdev",
"XkbModel", "evdev",
"XkbLayout", "us",
NULL
};
static int EvdevOn(DeviceIntPtr);
static int EvdevCacheCompare(InputInfoPtr pInfo, BOOL compare);
static void EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl);
#ifdef HAVE_PROPERTIES
static void EvdevInitAxesLabels(EvdevPtr pEvdev, int natoms, Atom *atoms);
static void EvdevInitButtonLabels(EvdevPtr pEvdev, int natoms, Atom *atoms);
static void EvdevInitProperty(DeviceIntPtr dev);
static int EvdevSetProperty(DeviceIntPtr dev, Atom atom,
XIPropertyValuePtr val, BOOL checkonly);
static Atom prop_invert = 0;
static Atom prop_calibration = 0;
static Atom prop_swap = 0;
static Atom prop_axis_label = 0;
static Atom prop_btn_label = 0;
#endif
/* All devices the evdev driver has allocated and knows about.
* MAXDEVICES is safe as null-terminated array, as two devices (VCP and VCK)
* cannot be used by evdev, leaving us with a space of 2 at the end. */
static EvdevPtr evdev_devices[MAXDEVICES] = {NULL};
static size_t CountBits(unsigned long *array, size_t nlongs)
{
unsigned int i;
size_t count = 0;
for (i = 0; i < nlongs; i++) {
unsigned long x = array[i];
while (x > 0)
{
count += (x & 0x1);
x >>= 1;
}
}
return count;
}
static int
EvdevGetMajorMinor(InputInfoPtr pInfo)
{
struct stat st;
if (fstat(pInfo->fd, &st) == -1)
{
xf86Msg(X_ERROR, "%s: stat failed (%s). cannot check for duplicates.\n",
pInfo->name, strerror(errno));
return 0;
}
return st.st_rdev;
}
/**
* Return TRUE if one of the devices we know about has the same min/maj
* number.
*/
static BOOL
EvdevIsDuplicate(InputInfoPtr pInfo)
{
EvdevPtr pEvdev = pInfo->private;
EvdevPtr* dev = evdev_devices;
if (pEvdev->min_maj)
{
while(*dev)
{
if ((*dev) != pEvdev &&
(*dev)->min_maj &&
(*dev)->min_maj == pEvdev->min_maj)
return TRUE;
dev++;
}
}
return FALSE;
}
/**
* Add to internal device list.
*/
static void
EvdevAddDevice(InputInfoPtr pInfo)
{
EvdevPtr pEvdev = pInfo->private;
EvdevPtr* dev = evdev_devices;
while(*dev)
dev++;
*dev = pEvdev;
}
/**
* Remove from internal device list.
*/
static void
EvdevRemoveDevice(InputInfoPtr pInfo)
{
EvdevPtr pEvdev = pInfo->private;
EvdevPtr *dev = evdev_devices;
int count = 0;
while(*dev)
{
count++;
if (*dev == pEvdev)
{
memmove(dev, dev + 1,
sizeof(evdev_devices) - (count * sizeof(EvdevPtr)));
break;
}
dev++;
}
}
static void
SetXkbOption(InputInfoPtr pInfo, char *name, char **option)
{
char *s;
if ((s = xf86SetStrOption(pInfo->options, name, NULL))) {
if (!s[0]) {
xfree(s);
*option = NULL;
} else {
*option = s;
}
}
}
static int wheel_up_button = 4;
static int wheel_down_button = 5;
static int wheel_left_button = 6;
static int wheel_right_button = 7;
void
EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value)
{
int code = ev->code + MIN_KEYCODE;
EventQueuePtr pQueue;
EvdevPtr pEvdev = pInfo->private;
/* Filter all repeated events from device.
We'll do softrepeat in the server, but only since 1.6 */
if (value == 2
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) <= 2
&& (ev->code == KEY_LEFTCTRL || ev->code == KEY_RIGHTCTRL ||
ev->code == KEY_LEFTSHIFT || ev->code == KEY_RIGHTSHIFT ||
ev->code == KEY_LEFTALT || ev->code == KEY_RIGHTALT ||
ev->code == KEY_LEFTMETA || ev->code == KEY_RIGHTMETA ||
ev->code == KEY_CAPSLOCK || ev->code == KEY_NUMLOCK ||
ev->code == KEY_SCROLLLOCK) /* XXX windows keys? */
#endif
)
return;
if (pEvdev->num_queue >= EVDEV_MAXQUEUE)
{
xf86Msg(X_NONE, "%s: dropping event due to full queue!\n", pInfo->name);
return;
}
pQueue = &pEvdev->queue[pEvdev->num_queue];
pQueue->type = EV_QUEUE_KEY;
pQueue->key = code;
pQueue->val = value;
pEvdev->num_queue++;
}
void
EvdevQueueButtonEvent(InputInfoPtr pInfo, int button, int value)
{
EventQueuePtr pQueue;
EvdevPtr pEvdev = pInfo->private;
if (pEvdev->num_queue >= EVDEV_MAXQUEUE)
{
xf86Msg(X_NONE, "%s: dropping event due to full queue!\n", pInfo->name);
return;
}
pQueue = &pEvdev->queue[pEvdev->num_queue];
pQueue->type = EV_QUEUE_BTN;
pQueue->key = button;
pQueue->val = value;
pEvdev->num_queue++;
}
/**
* Post button event right here, right now.
* Interface for MB emulation since these need to post immediately.
*/
void
EvdevPostButtonEvent(InputInfoPtr pInfo, int button, int value)
{
xf86PostButtonEvent(pInfo->dev, 0, button, value, 0, 0);
}
void
EvdevQueueButtonClicks(InputInfoPtr pInfo, int button, int count)
{
int i;
for (i = 0; i < count; i++) {
EvdevQueueButtonEvent(pInfo, button, 1);
EvdevQueueButtonEvent(pInfo, button, 0);
}
}
#define ABS_X_VALUE 0x1
#define ABS_Y_VALUE 0x2
#define ABS_VALUE 0x4
/**
* Take the valuators and process them accordingly.
*/
static void
EvdevProcessValuators(InputInfoPtr pInfo, int v[MAX_VALUATORS], int *num_v,
int *first_v)
{
int tmp;
EvdevPtr pEvdev = pInfo->private;
*num_v = *first_v = 0;
/* convert to relative motion for touchpads */
if (pEvdev->abs && (pEvdev->flags & EVDEV_TOUCHPAD)) {
if (pEvdev->tool) { /* meaning, touch is active */
if (pEvdev->old_vals[0] != -1)
pEvdev->delta[REL_X] = pEvdev->vals[0] - pEvdev->old_vals[0];
if (pEvdev->old_vals[1] != -1)
pEvdev->delta[REL_Y] = pEvdev->vals[1] - pEvdev->old_vals[1];
if (pEvdev->abs & ABS_X_VALUE)
pEvdev->old_vals[0] = pEvdev->vals[0];
if (pEvdev->abs & ABS_Y_VALUE)
pEvdev->old_vals[1] = pEvdev->vals[1];
} else {
pEvdev->old_vals[0] = pEvdev->old_vals[1] = -1;
}
pEvdev->abs = 0;
pEvdev->rel = 1;
}
if (pEvdev->rel) {
int first = REL_CNT, last = 0;
int i;
if (pEvdev->swap_axes) {
tmp = pEvdev->delta[REL_X];
pEvdev->delta[REL_X] = pEvdev->delta[REL_Y];
pEvdev->delta[REL_Y] = tmp;
}
if (pEvdev->invert_x)
pEvdev->delta[REL_X] *= -1;
if (pEvdev->invert_y)
pEvdev->delta[REL_Y] *= -1;
for (i = 0; i < REL_CNT; i++)
{
int map = pEvdev->axis_map[i];
if (map != -1)
{
v[map] = pEvdev->delta[i];
if (map < first)
first = map;
if (map > last)
last = map;
}
}
*num_v = (last - first + 1);
*first_v = first;
}
/*
* Some devices only generate valid abs coords when BTN_DIGI is
* pressed. On wacom tablets, this means that the pen is in
* proximity of the tablet. After the pen is removed, BTN_DIGI is
* released, and a (0, 0) absolute event is generated. Checking
* pEvdev->digi here, lets us ignore that event. pEvdev is
* initialized to 1 so devices that doesn't use this scheme still
* just works.
*/
else if (pEvdev->abs && pEvdev->tool) {
memcpy(v, pEvdev->vals, sizeof(int) * pEvdev->num_vals);
if (pEvdev->swap_axes) {
int tmp = v[0];
v[0] = v[1];
v[1] = tmp;
}
if (pEvdev->flags & EVDEV_CALIBRATED)
{
v[0] = xf86ScaleAxis(v[0],
pEvdev->absinfo[ABS_X].maximum,
pEvdev->absinfo[ABS_X].minimum,
pEvdev->calibration.max_x, pEvdev->calibration.min_x);
v[1] = xf86ScaleAxis(v[1],
pEvdev->absinfo[ABS_Y].maximum,
pEvdev->absinfo[ABS_Y].minimum,
pEvdev->calibration.max_y, pEvdev->calibration.min_y);
}
if (pEvdev->invert_x)
v[0] = (pEvdev->absinfo[ABS_X].maximum - v[0] +
pEvdev->absinfo[ABS_X].minimum);
if (pEvdev->invert_y)
v[1] = (pEvdev->absinfo[ABS_Y].maximum - v[1] +
pEvdev->absinfo[ABS_Y].minimum);
*num_v = pEvdev->num_vals;
*first_v = 0;
}
}
/**
* Take a button input event and process it accordingly.
*/
static void
EvdevProcessButtonEvent(InputInfoPtr pInfo, struct input_event *ev)
{
unsigned int button;
int value;
EvdevPtr pEvdev = pInfo->private;
button = EvdevUtilButtonEventToButtonNumber(pEvdev, ev->code);
/* Get the signed value, earlier kernels had this as unsigned */
value = ev->value;
/* Handle drag lock */
if (EvdevDragLockFilterEvent(pInfo, button, value))
return;
if (EvdevWheelEmuFilterButton(pInfo, button, value))
return;
if (EvdevMBEmuFilterEvent(pInfo, button, value))
return;
if (button)
EvdevQueueButtonEvent(pInfo, button, value);
else
EvdevQueueKbdEvent(pInfo, ev, value);
}
/**
* Take the relative motion input event and process it accordingly.
*/
static void
EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
{
static int value;
EvdevPtr pEvdev = pInfo->private;
/* Get the signed value, earlier kernels had this as unsigned */
value = ev->value;
pEvdev->rel = 1;
switch (ev->code) {
case REL_WHEEL:
if (value > 0)
EvdevQueueButtonClicks(pInfo, wheel_up_button, value);
else if (value < 0)
EvdevQueueButtonClicks(pInfo, wheel_down_button, -value);
break;
case REL_DIAL:
case REL_HWHEEL:
if (value > 0)
EvdevQueueButtonClicks(pInfo, wheel_right_button, value);
else if (value < 0)
EvdevQueueButtonClicks(pInfo, wheel_left_button, -value);
break;
/* We don't post wheel events as axis motion. */
default:
/* Ignore EV_REL events if we never set up for them. */
if (!(pEvdev->flags & EVDEV_RELATIVE_EVENTS))
return;
/* Handle mouse wheel emulation */
if (EvdevWheelEmuFilterMotion(pInfo, ev))
return;
pEvdev->delta[ev->code] += value;
break;
}
}
/**
* Take the absolute motion input event and process it accordingly.
*/
static void
EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
{
static int value;
EvdevPtr pEvdev = pInfo->private;
/* Get the signed value, earlier kernels had this as unsigned */
value = ev->value;
/* Ignore EV_ABS events if we never set up for them. */
if (!(pEvdev->flags & EVDEV_ABSOLUTE_EVENTS))
return;
if (ev->code > ABS_MAX)
return;
pEvdev->vals[pEvdev->axis_map[ev->code]] = value;
if (ev->code == ABS_X)
pEvdev->abs |= ABS_X_VALUE;
else if (ev->code == ABS_Y)
pEvdev->abs |= ABS_Y_VALUE;
else
pEvdev->abs |= ABS_VALUE;
}
/**
* Take the key press/release input event and process it accordingly.
*/
static void
EvdevProcessKeyEvent(InputInfoPtr pInfo, struct input_event *ev)
{
static int value;
EvdevPtr pEvdev = pInfo->private;
/* Get the signed value, earlier kernels had this as unsigned */
value = ev->value;
/* don't repeat mouse buttons */
if (ev->code >= BTN_MOUSE && ev->code < KEY_OK)
if (value == 2)
return;
switch (ev->code) {
case BTN_TOUCH:
case BTN_TOOL_PEN:
case BTN_TOOL_RUBBER:
case BTN_TOOL_BRUSH:
case BTN_TOOL_PENCIL:
case BTN_TOOL_AIRBRUSH:
case BTN_TOOL_FINGER:
case BTN_TOOL_MOUSE:
case BTN_TOOL_LENS:
pEvdev->tool = value ? ev->code : 0;
if (!(pEvdev->flags & EVDEV_TOUCHSCREEN))
break;
/* Treat BTN_TOUCH from devices that only have BTN_TOUCH as
* BTN_LEFT. */
ev->code = BTN_LEFT;
/* Intentional fallthrough! */
default:
EvdevProcessButtonEvent(pInfo, ev);
break;
}
}
/**
* Post the relative motion events.
*/
void
EvdevPostRelativeMotionEvents(InputInfoPtr pInfo, int *num_v, int *first_v,
int v[MAX_VALUATORS])
{
EvdevPtr pEvdev = pInfo->private;
if (pEvdev->rel) {
xf86PostMotionEventP(pInfo->dev, FALSE, *first_v, *num_v, v + *first_v);
}
}
/**
* Post the absolute motion events.
*/
void
EvdevPostAbsoluteMotionEvents(InputInfoPtr pInfo, int *num_v, int *first_v,
int v[MAX_VALUATORS])
{
EvdevPtr pEvdev = pInfo->private;
/*
* Some devices only generate valid abs coords when BTN_DIGI is
* pressed. On wacom tablets, this means that the pen is in
* proximity of the tablet. After the pen is removed, BTN_DIGI is
* released, and a (0, 0) absolute event is generated. Checking
* pEvdev->digi here, lets us ignore that event. pEvdev is
* initialized to 1 so devices that doesn't use this scheme still
* just works.
*/
if (pEvdev->abs && pEvdev->tool) {
xf86PostMotionEventP(pInfo->dev, TRUE, *first_v, *num_v, v);
}
}
/**
* Post the queued key/button events.
*/
static void EvdevPostQueuedEvents(InputInfoPtr pInfo, int *num_v, int *first_v,
int v[MAX_VALUATORS])
{
int i;
EvdevPtr pEvdev = pInfo->private;
for (i = 0; i < pEvdev->num_queue; i++) {
switch (pEvdev->queue[i].type) {
case EV_QUEUE_KEY:
xf86PostKeyboardEvent(pInfo->dev, pEvdev->queue[i].key,
pEvdev->queue[i].val);
break;
case EV_QUEUE_BTN:
/* FIXME: Add xf86PostButtonEventP to the X server so that we may
* pass the valuators on ButtonPress/Release events, too. Currently
* only MotionNotify events contain the pointer position. */
xf86PostButtonEvent(pInfo->dev, 0, pEvdev->queue[i].key,
pEvdev->queue[i].val, 0, 0);
break;
}
}
}
/**
* Take the synchronization input event and process it accordingly; the motion
* notify events are sent first, then any button/key press/release events.
*/
static void
EvdevProcessSyncEvent(InputInfoPtr pInfo, struct input_event *ev)
{
int num_v = 0, first_v = 0;
int v[MAX_VALUATORS];
EvdevPtr pEvdev = pInfo->private;
EvdevProcessValuators(pInfo, v, &num_v, &first_v);
EvdevPostRelativeMotionEvents(pInfo, &num_v, &first_v, v);
EvdevPostAbsoluteMotionEvents(pInfo, &num_v, &first_v, v);
EvdevPostQueuedEvents(pInfo, &num_v, &first_v, v);
memset(pEvdev->delta, 0, sizeof(pEvdev->delta));
memset(pEvdev->queue, 0, sizeof(pEvdev->queue));
pEvdev->num_queue = 0;
pEvdev->abs = 0;
pEvdev->rel = 0;
}
/**
* Process the events from the device; nothing is actually posted to the server
* until an EV_SYN event is received.
*/
static void
EvdevProcessEvent(InputInfoPtr pInfo, struct input_event *ev)
{
switch (ev->type) {
case EV_REL:
EvdevProcessRelativeMotionEvent(pInfo, ev);
break;
case EV_ABS:
EvdevProcessAbsoluteMotionEvent(pInfo, ev);
break;
case EV_KEY:
EvdevProcessKeyEvent(pInfo, ev);
break;
case EV_SYN:
EvdevProcessSyncEvent(pInfo, ev);
break;
}
}
#undef ABS_X_VALUE
#undef ABS_Y_VALUE
#undef ABS_VALUE
/* just a magic number to reduce the number of reads */
#define NUM_EVENTS 16
static void
EvdevReadInput(InputInfoPtr pInfo)
{
struct input_event ev[NUM_EVENTS];
int i, len = sizeof(ev);
while (len == sizeof(ev))
{
len = read(pInfo->fd, &ev, sizeof(ev));
if (len <= 0)
{
if (errno == ENODEV) /* May happen after resume */
{
EvdevMBEmuFinalize(pInfo);
xf86RemoveEnabledDevice(pInfo);
close(pInfo->fd);
pInfo->fd = -1;
} else if (errno != EAGAIN)
{
/* We use X_NONE here because it doesn't alloc */
xf86MsgVerb(X_NONE, 0, "%s: Read error: %s\n", pInfo->name,
strerror(errno));
}
break;
}
/* The kernel promises that we always only read a complete
* event, so len != sizeof ev is an error. */
if (len % sizeof(ev[0])) {
/* We use X_NONE here because it doesn't alloc */
xf86MsgVerb(X_NONE, 0, "%s: Read error: %s\n", pInfo->name, strerror(errno));
break;
}
for (i = 0; i < len/sizeof(ev[0]); i++)
EvdevProcessEvent(pInfo, &ev[i]);
}
}
#define TestBit(bit, array) ((array[(bit) / LONG_BITS]) & (1L << ((bit) % LONG_BITS)))
static void
EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl)
{
/* Nothing to do, dix handles all settings */
}
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 5
static KeySym map[] = {
/* 0x00 */ NoSymbol, NoSymbol,
/* 0x01 */ XK_Escape, NoSymbol,
/* 0x02 */ XK_1, XK_exclam,
/* 0x03 */ XK_2, XK_at,
/* 0x04 */ XK_3, XK_numbersign,
/* 0x05 */ XK_4, XK_dollar,
/* 0x06 */ XK_5, XK_percent,
/* 0x07 */ XK_6, XK_asciicircum,
/* 0x08 */ XK_7, XK_ampersand,
/* 0x09 */ XK_8, XK_asterisk,
/* 0x0a */ XK_9, XK_parenleft,
/* 0x0b */ XK_0, XK_parenright,
/* 0x0c */ XK_minus, XK_underscore,
/* 0x0d */ XK_equal, XK_plus,
/* 0x0e */ XK_BackSpace, NoSymbol,
/* 0x0f */ XK_Tab, XK_ISO_Left_Tab,
/* 0x10 */ XK_Q, NoSymbol,
/* 0x11 */ XK_W, NoSymbol,
/* 0x12 */ XK_E, NoSymbol,
/* 0x13 */ XK_R, NoSymbol,
/* 0x14 */ XK_T, NoSymbol,
/* 0x15 */ XK_Y, NoSymbol,
/* 0x16 */ XK_U, NoSymbol,
/* 0x17 */ XK_I, NoSymbol,
/* 0x18 */ XK_O, NoSymbol,
/* 0x19 */ XK_P, NoSymbol,
/* 0x1a */ XK_bracketleft, XK_braceleft,
/* 0x1b */ XK_bracketright,XK_braceright,
/* 0x1c */ XK_Return, NoSymbol,
/* 0x1d */ XK_Control_L, NoSymbol,
/* 0x1e */ XK_A, NoSymbol,
/* 0x1f */ XK_S, NoSymbol,
/* 0x20 */ XK_D, NoSymbol,
/* 0x21 */ XK_F, NoSymbol,
/* 0x22 */ XK_G, NoSymbol,
/* 0x23 */ XK_H, NoSymbol,
/* 0x24 */ XK_J, NoSymbol,
/* 0x25 */ XK_K, NoSymbol,
/* 0x26 */ XK_L, NoSymbol,
/* 0x27 */ XK_semicolon, XK_colon,
/* 0x28 */ XK_quoteright, XK_quotedbl,
/* 0x29 */ XK_quoteleft, XK_asciitilde,
/* 0x2a */ XK_Shift_L, NoSymbol,
/* 0x2b */ XK_backslash, XK_bar,
/* 0x2c */ XK_Z, NoSymbol,
/* 0x2d */ XK_X, NoSymbol,
/* 0x2e */ XK_C, NoSymbol,
/* 0x2f */ XK_V, NoSymbol,
/* 0x30 */ XK_B, NoSymbol,
/* 0x31 */ XK_N, NoSymbol,
/* 0x32 */ XK_M, NoSymbol,
/* 0x33 */ XK_comma, XK_less,
/* 0x34 */ XK_period, XK_greater,
/* 0x35 */ XK_slash, XK_question,
/* 0x36 */ XK_Shift_R, NoSymbol,
/* 0x37 */ XK_KP_Multiply, NoSymbol,
/* 0x38 */ XK_Alt_L, XK_Meta_L,
/* 0x39 */ XK_space, NoSymbol,
/* 0x3a */ XK_Caps_Lock, NoSymbol,
/* 0x3b */ XK_F1, NoSymbol,
/* 0x3c */ XK_F2, NoSymbol,
/* 0x3d */ XK_F3, NoSymbol,
/* 0x3e */ XK_F4, NoSymbol,
/* 0x3f */ XK_F5, NoSymbol,
/* 0x40 */ XK_F6, NoSymbol,
/* 0x41 */ XK_F7, NoSymbol,
/* 0x42 */ XK_F8, NoSymbol,
/* 0x43 */ XK_F9, NoSymbol,
/* 0x44 */ XK_F10, NoSymbol,
/* 0x45 */ XK_Num_Lock, NoSymbol,
/* 0x46 */ XK_Scroll_Lock, NoSymbol,
/* These KP keys should have the KP_7 keysyms in the numlock
* modifer... ? */
/* 0x47 */ XK_KP_Home, XK_KP_7,
/* 0x48 */ XK_KP_Up, XK_KP_8,
/* 0x49 */ XK_KP_Prior, XK_KP_9,
/* 0x4a */ XK_KP_Subtract, NoSymbol,
/* 0x4b */ XK_KP_Left, XK_KP_4,
/* 0x4c */ XK_KP_Begin, XK_KP_5,
/* 0x4d */ XK_KP_Right, XK_KP_6,
/* 0x4e */ XK_KP_Add, NoSymbol,
/* 0x4f */ XK_KP_End, XK_KP_1,
/* 0x50 */ XK_KP_Down, XK_KP_2,
/* 0x51 */ XK_KP_Next, XK_KP_3,
/* 0x52 */ XK_KP_Insert, XK_KP_0,
/* 0x53 */ XK_KP_Delete, XK_KP_Decimal,
/* 0x54 */ NoSymbol, NoSymbol,
/* 0x55 */ XK_F13, NoSymbol,
/* 0x56 */ XK_less, XK_greater,
/* 0x57 */ XK_F11, NoSymbol,
/* 0x58 */ XK_F12, NoSymbol,
/* 0x59 */ XK_F14, NoSymbol,
/* 0x5a */ XK_F15, NoSymbol,
/* 0x5b */ XK_F16, NoSymbol,
/* 0x5c */ XK_F17, NoSymbol,
/* 0x5d */ XK_F18, NoSymbol,
/* 0x5e */ XK_F19, NoSymbol,
/* 0x5f */ XK_F20, NoSymbol,
/* 0x60 */ XK_KP_Enter, NoSymbol,
/* 0x61 */ XK_Control_R, NoSymbol,
/* 0x62 */ XK_KP_Divide, NoSymbol,
/* 0x63 */ XK_Print, XK_Sys_Req,
/* 0x64 */ XK_Alt_R, XK_Meta_R,
/* 0x65 */ NoSymbol, NoSymbol, /* KEY_LINEFEED */
/* 0x66 */ XK_Home, NoSymbol,
/* 0x67 */ XK_Up, NoSymbol,
/* 0x68 */ XK_Prior, NoSymbol,
/* 0x69 */ XK_Left, NoSymbol,
/* 0x6a */ XK_Right, NoSymbol,
/* 0x6b */ XK_End, NoSymbol,
/* 0x6c */ XK_Down, NoSymbol,
/* 0x6d */ XK_Next, NoSymbol,
/* 0x6e */ XK_Insert, NoSymbol,
/* 0x6f */ XK_Delete, NoSymbol,
/* 0x70 */ NoSymbol, NoSymbol, /* KEY_MACRO */
/* 0x71 */ NoSymbol, NoSymbol,
/* 0x72 */ NoSymbol, NoSymbol,
/* 0x73 */ NoSymbol, NoSymbol,
/* 0x74 */ NoSymbol, NoSymbol,
/* 0x75 */ XK_KP_Equal, NoSymbol,
/* 0x76 */ NoSymbol, NoSymbol,
/* 0x77 */ NoSymbol, NoSymbol,
/* 0x78 */ XK_F21, NoSymbol,
/* 0x79 */ XK_F22, NoSymbol,
/* 0x7a */ XK_F23, NoSymbol,
/* 0x7b */ XK_F24, NoSymbol,
/* 0x7c */ XK_KP_Separator, NoSymbol,
/* 0x7d */ XK_Meta_L, NoSymbol,
/* 0x7e */ XK_Meta_R, NoSymbol,
/* 0x7f */ XK_Multi_key, NoSymbol,
/* 0x80 */ NoSymbol, NoSymbol,
/* 0x81 */ NoSymbol, NoSymbol,
/* 0x82 */ NoSymbol, NoSymbol,
/* 0x83 */ NoSymbol, NoSymbol,
/* 0x84 */ NoSymbol, NoSymbol,
/* 0x85 */ NoSymbol, NoSymbol,
/* 0x86 */ NoSymbol, NoSymbol,
/* 0x87 */ NoSymbol, NoSymbol,
/* 0x88 */ NoSymbol, NoSymbol,
/* 0x89 */ NoSymbol, NoSymbol,
/* 0x8a */ NoSymbol, NoSymbol,
/* 0x8b */ NoSymbol, NoSymbol,
/* 0x8c */ NoSymbol, NoSymbol,
/* 0x8d */ NoSymbol, NoSymbol,
/* 0x8e */ NoSymbol, NoSymbol,
/* 0x8f */ NoSymbol, NoSymbol,
/* 0x90 */ NoSymbol, NoSymbol,
/* 0x91 */ NoSymbol, NoSymbol,
/* 0x92 */ NoSymbol, NoSymbol,
/* 0x93 */ NoSymbol, NoSymbol,
/* 0x94 */ NoSymbol, NoSymbol,
/* 0x95 */ NoSymbol, NoSymbol,
/* 0x96 */ NoSymbol, NoSymbol,
/* 0x97 */ NoSymbol, NoSymbol,
/* 0x98 */ NoSymbol, NoSymbol,
/* 0x99 */ NoSymbol, NoSymbol,
/* 0x9a */ NoSymbol, NoSymbol,
/* 0x9b */ NoSymbol, NoSymbol,
/* 0x9c */ NoSymbol, NoSymbol,
/* 0x9d */ NoSymbol, NoSymbol,
/* 0x9e */ NoSymbol, NoSymbol,
/* 0x9f */ NoSymbol, NoSymbol,
/* 0xa0 */ NoSymbol, NoSymbol,
/* 0xa1 */ NoSymbol, NoSymbol,
/* 0xa2 */ NoSymbol, NoSymbol,
/* 0xa3 */ NoSymbol, NoSymbol,
/* 0xa4 */ NoSymbol, NoSymbol,
/* 0xa5 */ NoSymbol, NoSymbol,
/* 0xa6 */ NoSymbol, NoSymbol,
/* 0xa7 */ NoSymbol, NoSymbol,
/* 0xa8 */ NoSymbol, NoSymbol,
/* 0xa9 */ NoSymbol, NoSymbol,
/* 0xaa */ NoSymbol, NoSymbol,
/* 0xab */ NoSymbol, NoSymbol,
/* 0xac */ NoSymbol, NoSymbol,
/* 0xad */ NoSymbol, NoSymbol,
/* 0xae */ NoSymbol, NoSymbol,
/* 0xaf */ NoSymbol, NoSymbol,
/* 0xb0 */ NoSymbol, NoSymbol,
/* 0xb1 */ NoSymbol, NoSymbol,
/* 0xb2 */ NoSymbol, NoSymbol,
/* 0xb3 */ NoSymbol, NoSymbol,
/* 0xb4 */ NoSymbol, NoSymbol,
/* 0xb5 */ NoSymbol, NoSymbol,
/* 0xb6 */ NoSymbol, NoSymbol,
/* 0xb7 */ NoSymbol, NoSymbol,
/* 0xb8 */ NoSymbol, NoSymbol,
/* 0xb9 */ NoSymbol, NoSymbol,
/* 0xba */ NoSymbol, NoSymbol,
/* 0xbb */ NoSymbol, NoSymbol,
/* 0xbc */ NoSymbol, NoSymbol,
/* 0xbd */ NoSymbol, NoSymbol,
/* 0xbe */ NoSymbol, NoSymbol,
/* 0xbf */ NoSymbol, NoSymbol,
/* 0xc0 */ NoSymbol, NoSymbol,
/* 0xc1 */ NoSymbol, NoSymbol,
/* 0xc2 */ NoSymbol, NoSymbol,
/* 0xc3 */ NoSymbol, NoSymbol,
/* 0xc4 */ NoSymbol, NoSymbol,
/* 0xc5 */ NoSymbol, NoSymbol,
/* 0xc6 */ NoSymbol, NoSymbol,
/* 0xc7 */ NoSymbol, NoSymbol,
/* 0xc8 */ NoSymbol, NoSymbol,
/* 0xc9 */ NoSymbol, NoSymbol,
/* 0xca */ NoSymbol, NoSymbol,
/* 0xcb */ NoSymbol, NoSymbol,
/* 0xcc */ NoSymbol, NoSymbol,
/* 0xcd */ NoSymbol, NoSymbol,
/* 0xce */ NoSymbol, NoSymbol,
/* 0xcf */ NoSymbol, NoSymbol,
/* 0xd0 */ NoSymbol, NoSymbol,
/* 0xd1 */ NoSymbol, NoSymbol,
/* 0xd2 */ NoSymbol, NoSymbol,
/* 0xd3 */ NoSymbol, NoSymbol,
/* 0xd4 */ NoSymbol, NoSymbol,
/* 0xd5 */ NoSymbol, NoSymbol,
/* 0xd6 */ NoSymbol, NoSymbol,
/* 0xd7 */ NoSymbol, NoSymbol,
/* 0xd8 */ NoSymbol, NoSymbol,
/* 0xd9 */ NoSymbol, NoSymbol,
/* 0xda */ NoSymbol, NoSymbol,
/* 0xdb */ NoSymbol, NoSymbol,
/* 0xdc */ NoSymbol, NoSymbol,
/* 0xdd */ NoSymbol, NoSymbol,
/* 0xde */ NoSymbol, NoSymbol,
/* 0xdf */ NoSymbol, NoSymbol,
/* 0xe0 */ NoSymbol, NoSymbol,
/* 0xe1 */ NoSymbol, NoSymbol,
/* 0xe2 */ NoSymbol, NoSymbol,
/* 0xe3 */ NoSymbol, NoSymbol,
/* 0xe4 */ NoSymbol, NoSymbol,
/* 0xe5 */ NoSymbol, NoSymbol,
/* 0xe6 */ NoSymbol, NoSymbol,
/* 0xe7 */ NoSymbol, NoSymbol,
/* 0xe8 */ NoSymbol, NoSymbol,
/* 0xe9 */ NoSymbol, NoSymbol,
/* 0xea */ NoSymbol, NoSymbol,
/* 0xeb */ NoSymbol, NoSymbol,
/* 0xec */ NoSymbol, NoSymbol,
/* 0xed */ NoSymbol, NoSymbol,
/* 0xee */ NoSymbol, NoSymbol,
/* 0xef */ NoSymbol, NoSymbol,
/* 0xf0 */ NoSymbol, NoSymbol,
/* 0xf1 */ NoSymbol, NoSymbol,
/* 0xf2 */ NoSymbol, NoSymbol,
/* 0xf3 */ NoSymbol, NoSymbol,
/* 0xf4 */ NoSymbol, NoSymbol,
/* 0xf5 */ NoSymbol, NoSymbol,
/* 0xf6 */ NoSymbol, NoSymbol,
/* 0xf7 */ NoSymbol, NoSymbol,
};
static struct { KeySym keysym; CARD8 mask; } modifiers[] = {
{ XK_Shift_L, ShiftMask },
{ XK_Shift_R, ShiftMask },
{ XK_Control_L, ControlMask },
{ XK_Control_R, ControlMask },
{ XK_Caps_Lock, LockMask },
{ XK_Alt_L, AltMask },
{ XK_Alt_R, AltMask },
{ XK_Meta_L, Mod4Mask },
{ XK_Meta_R, Mod4Mask },
{ XK_Num_Lock, NumLockMask },
{ XK_Scroll_Lock, ScrollLockMask },
{ XK_Mode_switch, AltLangMask }
};
/* Server 1.6 and earlier */
static int
EvdevInitKeysyms(DeviceIntPtr device)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
KeySymsRec keySyms;
CARD8 modMap[MAP_LENGTH];
KeySym sym;
int i, j;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
/* Compute the modifier map */
memset(modMap, 0, sizeof modMap);
for (i = 0; i < ArrayLength(map) / GLYPHS_PER_KEY; i++) {
sym = map[i * GLYPHS_PER_KEY];
for (j = 0; j < ArrayLength(modifiers); j++) {
if (modifiers[j].keysym == sym)
modMap[i + MIN_KEYCODE] = modifiers[j].mask;
}
}
keySyms.map = map;
keySyms.mapWidth = GLYPHS_PER_KEY;
keySyms.minKeyCode = MIN_KEYCODE;
keySyms.maxKeyCode = MIN_KEYCODE + ArrayLength(map) / GLYPHS_PER_KEY - 1;
XkbSetRulesDflts(pEvdev->rmlvo.rules, pEvdev->rmlvo.model,
pEvdev->rmlvo.layout, pEvdev->rmlvo.variant,
pEvdev->rmlvo.options);
if (!XkbInitKeyboardDeviceStruct(device, &pEvdev->xkbnames,
&keySyms, modMap, NULL,
EvdevKbdCtrl))
return 0;
return 1;
}
#endif
static void
EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl)
{
static struct { int xbit, code; } bits[] = {
{ CAPSFLAG, LED_CAPSL },
{ NUMFLAG, LED_NUML },
{ SCROLLFLAG, LED_SCROLLL },
{ MODEFLAG, LED_KANA },
{ COMPOSEFLAG, LED_COMPOSE }
};
InputInfoPtr pInfo;
struct input_event ev[ArrayLength(bits)];
int i;
memset(ev, 0, sizeof(ev));
pInfo = device->public.devicePrivate;
for (i = 0; i < ArrayLength(bits); i++) {
ev[i].type = EV_LED;
ev[i].code = bits[i].code;
ev[i].value = (ctrl->leds & bits[i].xbit) > 0;
}
write(pInfo->fd, ev, sizeof ev);
}
static int
EvdevAddKeyClass(DeviceIntPtr device)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
/* sorry, no rules change allowed for you */
xf86ReplaceStrOption(pInfo->options, "xkb_rules", "evdev");
SetXkbOption(pInfo, "xkb_rules", &pEvdev->rmlvo.rules);
SetXkbOption(pInfo, "xkb_model", &pEvdev->rmlvo.model);
if (!pEvdev->rmlvo.model)
SetXkbOption(pInfo, "XkbModel", &pEvdev->rmlvo.model);
SetXkbOption(pInfo, "xkb_layout", &pEvdev->rmlvo.layout);
if (!pEvdev->rmlvo.layout)
SetXkbOption(pInfo, "XkbLayout", &pEvdev->rmlvo.layout);
SetXkbOption(pInfo, "xkb_variant", &pEvdev->rmlvo.variant);
if (!pEvdev->rmlvo.variant)
SetXkbOption(pInfo, "XkbVariant", &pEvdev->rmlvo.variant);
SetXkbOption(pInfo, "xkb_options", &pEvdev->rmlvo.options);
if (!pEvdev->rmlvo.options)
SetXkbOption(pInfo, "XkbOptions", &pEvdev->rmlvo.options);
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 5
if (!InitKeyboardDeviceStruct(device, &pEvdev->rmlvo, NULL, EvdevKbdCtrl))
return !Success;
#else
if (!EvdevInitKeysyms(device))
return !Success;
#endif
pInfo->flags |= XI86_KEYBOARD_CAPABLE;
return Success;
}
static int
EvdevAddAbsClass(DeviceIntPtr device)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
int num_axes, axis, i = 0;
Atom *atoms;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
if (!TestBit(EV_ABS, pEvdev->bitmask))
return !Success;
num_axes = CountBits(pEvdev->abs_bitmask, NLONGS(ABS_MAX));
if (num_axes < 1)
return !Success;
pEvdev->num_vals = num_axes;
memset(pEvdev->vals, 0, num_axes * sizeof(int));
memset(pEvdev->old_vals, -1, num_axes * sizeof(int));
atoms = xalloc(pEvdev->num_vals * sizeof(Atom));
for (axis = ABS_X; axis <= ABS_MAX; axis++) {
pEvdev->axis_map[axis] = -1;
if (!TestBit(axis, pEvdev->abs_bitmask))
continue;
pEvdev->axis_map[axis] = i;
i++;
}
EvdevInitAxesLabels(pEvdev, pEvdev->num_vals, atoms);
if (!InitValuatorClassDeviceStruct(device, num_axes,
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
atoms,
#endif
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3
GetMotionHistory,
#endif
GetMotionHistorySize(), Absolute))
return !Success;
for (axis = ABS_X; axis <= ABS_MAX; axis++) {
int axnum = pEvdev->axis_map[axis];
if (axnum == -1)
continue;
xf86InitValuatorAxisStruct(device, axnum,
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
atoms[axnum],
#endif
pEvdev->absinfo[axis].minimum,
pEvdev->absinfo[axis].maximum,
10000, 0, 10000);
xf86InitValuatorDefaults(device, axnum);
pEvdev->old_vals[axnum] = -1;
}
xfree(atoms);
if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc))
return !Success;
if ((TestBit(ABS_X, pEvdev->abs_bitmask) &&
TestBit(ABS_Y, pEvdev->abs_bitmask)) ||
(TestBit(ABS_RX, pEvdev->abs_bitmask) &&
TestBit(ABS_RY, pEvdev->abs_bitmask)) ||
(TestBit(ABS_HAT0X, pEvdev->abs_bitmask) &&
TestBit(ABS_HAT0Y, pEvdev->abs_bitmask)) ||
(TestBit(ABS_HAT1X, pEvdev->abs_bitmask) &&
TestBit(ABS_HAT1Y, pEvdev->abs_bitmask)) ||
(TestBit(ABS_HAT2X, pEvdev->abs_bitmask) &&
TestBit(ABS_HAT2Y, pEvdev->abs_bitmask)) ||
(TestBit(ABS_HAT3X, pEvdev->abs_bitmask) &&
TestBit(ABS_HAT3Y, pEvdev->abs_bitmask)) ||
(TestBit(ABS_TILT_X, pEvdev->abs_bitmask) &&
TestBit(ABS_TILT_Y, pEvdev->abs_bitmask)))
pInfo->flags |= XI86_POINTER_CAPABLE;
return Success;
}
static int
EvdevAddRelClass(DeviceIntPtr device)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
int num_axes, axis, i = 0;
Atom *atoms;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
if (!TestBit(EV_REL, pEvdev->bitmask))
return !Success;
num_axes = CountBits(pEvdev->rel_bitmask, NLONGS(REL_MAX));
if (num_axes < 1)
return !Success;
/* Wheels are special, we post them as button events. So let's ignore them
* in the axes list too */
if (TestBit(REL_WHEEL, pEvdev->rel_bitmask))
num_axes--;
if (TestBit(REL_HWHEEL, pEvdev->rel_bitmask))
num_axes--;
if (TestBit(REL_DIAL, pEvdev->rel_bitmask))
num_axes--;
if (num_axes <= 0)
return !Success;
pEvdev->num_vals = num_axes;
memset(pEvdev->vals, 0, num_axes * sizeof(int));
atoms = xalloc(pEvdev->num_vals * sizeof(Atom));
for (axis = REL_X; axis <= REL_MAX; axis++)
{
pEvdev->axis_map[axis] = -1;
/* We don't post wheel events, so ignore them here too */
if (axis == REL_WHEEL || axis == REL_HWHEEL || axis == REL_DIAL)
continue;
if (!TestBit(axis, pEvdev->rel_bitmask))
continue;
pEvdev->axis_map[axis] = i;
i++;
}
EvdevInitAxesLabels(pEvdev, pEvdev->num_vals, atoms);
if (!InitValuatorClassDeviceStruct(device, num_axes,
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
atoms,
#endif
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3
GetMotionHistory,
#endif
GetMotionHistorySize(), Relative))
return !Success;
for (axis = REL_X; axis <= REL_MAX; axis++)
{
int axnum = pEvdev->axis_map[axis];
if (axnum == -1)
continue;
xf86InitValuatorAxisStruct(device, axnum,
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
atoms[axnum],
#endif
-1, -1, 1, 0, 1);
xf86InitValuatorDefaults(device, axnum);
}
xfree(atoms);
if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc))
return !Success;
pInfo->flags |= XI86_POINTER_CAPABLE;
return Success;
}
static int
EvdevAddButtonClass(DeviceIntPtr device)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
Atom *labels;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
labels = xalloc(pEvdev->num_buttons * sizeof(Atom));
EvdevInitButtonLabels(pEvdev, pEvdev->num_buttons, labels);
if (!InitButtonClassDeviceStruct(device, pEvdev->num_buttons,
#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
labels,
#endif
pEvdev->btnmap))
return !Success;
xfree(labels);
return Success;
}
/**
* Init the button mapping for the device. By default, this is a 1:1 mapping,
* i.e. Button 1 maps to Button 1, Button 2 to 2, etc.
*
* If a mapping has been specified, the mapping is the default, with the
* user-defined ones overwriting the defaults.
* i.e. a user-defined mapping of "3 2 1" results in a mapping of 3 2 1 4 5 6 ...
*
* Invalid button mappings revert to the default.
*
* Note that index 0 is unused, button 0 does not exist.
* This mapping is initialised for all devices, but only applied if the device
* has buttons (in EvdevAddButtonClass).
*/
static void
EvdevInitButtonMapping(InputInfoPtr pInfo)
{
int i, nbuttons = 1;
char *mapping = NULL;
EvdevPtr pEvdev = pInfo->private;
/* Check for user-defined button mapping */
if ((mapping = xf86CheckStrOption(pInfo->options, "ButtonMapping", NULL)))
{
char *s = " ";
int btn = 0;
xf86Msg(X_CONFIG, "%s: ButtonMapping '%s'\n", pInfo->name, mapping);
while (s && *s != '\0' && nbuttons < EVDEV_MAXBUTTONS)
{
btn = strtol(mapping, &s, 10);
if (s == mapping || btn < 0 || btn > EVDEV_MAXBUTTONS)
{
xf86Msg(X_ERROR,
"%s: ... Invalid button mapping. Using defaults\n",
pInfo->name);
nbuttons = 1; /* ensure defaults start at 1 */
break;
}
pEvdev->btnmap[nbuttons++] = btn;
mapping = s;
}
}
for (i = nbuttons; i < ArrayLength(pEvdev->btnmap); i++)
pEvdev->btnmap[i] = i;
}
static void
EvdevInitAnyClass(DeviceIntPtr device, EvdevPtr pEvdev)
{
if (pEvdev->flags & EVDEV_RELATIVE_EVENTS &&
EvdevAddRelClass(device) == Success)
xf86Msg(X_INFO, "%s: initialized for relative axes.\n", device->name);
if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS &&
EvdevAddAbsClass(device) == Success)
xf86Msg(X_INFO, "%s: initialized for absolute axes.\n", device->name);
}
static void
EvdevInitAbsClass(DeviceIntPtr device, EvdevPtr pEvdev)
{
if (EvdevAddAbsClass(device) == Success) {
xf86Msg(X_INFO,"%s: initialized for absolute axes.\n", device->name);
} else {
xf86Msg(X_ERROR,"%s: failed to initialize for absolute axes.\n",
device->name);
pEvdev->flags &= ~EVDEV_ABSOLUTE_EVENTS;
}
}
static void
EvdevInitRelClass(DeviceIntPtr device, EvdevPtr pEvdev)
{
int has_abs_axes = pEvdev->flags & EVDEV_ABSOLUTE_EVENTS;
if (EvdevAddRelClass(device) == Success) {
xf86Msg(X_INFO,"%s: initialized for relative axes.\n", device->name);
if (has_abs_axes) {
xf86Msg(X_WARNING,"%s: ignoring absolute axes.\n", device->name);
pEvdev->flags &= ~EVDEV_ABSOLUTE_EVENTS;
}
} else {
xf86Msg(X_ERROR,"%s: failed to initialize for relative axes.\n",
device->name);
pEvdev->flags &= ~EVDEV_RELATIVE_EVENTS;
if (has_abs_axes)
EvdevInitAbsClass(device, pEvdev);
}
}
static void
EvdevInitTouchDevice(DeviceIntPtr device, EvdevPtr pEvdev)
{
if (pEvdev->flags & EVDEV_RELATIVE_EVENTS) {
xf86Msg(X_WARNING,"%s: touchpads, tablets and touchscreens ignore "
"relative axes.\n", device->name);
pEvdev->flags &= ~EVDEV_RELATIVE_EVENTS;
}
EvdevInitAbsClass(device, pEvdev);
}
static int
EvdevInit(DeviceIntPtr device)
{
int i;
InputInfoPtr pInfo;
EvdevPtr pEvdev;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
/* clear all axis_map entries */
for(i = 0; i < max(ABS_CNT,REL_CNT); i++)
pEvdev->axis_map[i]=-1;
if (pEvdev->flags & EVDEV_KEYBOARD_EVENTS)
EvdevAddKeyClass(device);
if (pEvdev->flags & EVDEV_BUTTON_EVENTS)
EvdevAddButtonClass(device);
/* We don't allow relative and absolute axes on the same device. The
* reason is that some devices (MS Optical Desktop 2000) register both
* rel and abs axes for x/y.
*
* The abs axes register min/max; this min/max then also applies to the
* relative device (the mouse) and caps it at 0..255 for both axes.
* So, unless you have a small screen, you won't be enjoying it much;
* consequently, absolute axes are generally ignored.
*
* However, currenly only a device with absolute axes can be registered
* as a touch{pad,screen}. Thus, given such a device, absolute axes are
* used and relative axes are ignored.
*/
if (pEvdev->flags & (EVDEV_UNIGNORE_RELATIVE | EVDEV_UNIGNORE_ABSOLUTE))
EvdevInitAnyClass(device, pEvdev);
else if (pEvdev->flags & (EVDEV_TOUCHPAD | EVDEV_TOUCHSCREEN | EVDEV_TABLET))
EvdevInitTouchDevice(device, pEvdev);
else if (pEvdev->flags & EVDEV_RELATIVE_EVENTS)
EvdevInitRelClass(device, pEvdev);
else if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS)
EvdevInitAbsClass(device, pEvdev);
#ifdef HAVE_PROPERTIES
/* We drop the return value, the only time we ever want the handlers to
* unregister is when the device dies. In which case we don't have to
* unregister anyway */
EvdevInitProperty(device);
XIRegisterPropertyHandler(device, EvdevSetProperty, NULL, NULL);
EvdevMBEmuInitProperty(device);
EvdevWheelEmuInitProperty(device);
EvdevDragLockInitProperty(device);
#endif
return Success;
}
/**
* Init all extras (wheel emulation, etc.) and grab the device.
*/
static int
EvdevOn(DeviceIntPtr device)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
int rc = 0;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
if (pInfo->fd == -1) /* after PreInit fd is still open */
{
do {
pInfo->fd = open(pEvdev->device, O_RDWR | O_NONBLOCK, 0);
} while (pInfo->fd < 0 && errno == EINTR);
if (pInfo->fd < 0) {
xf86Msg(X_ERROR, "Unable to open evdev device \"%s\".\n",
pEvdev->device);
return !Success;
}
}
if (pEvdev->grabDevice && (rc = ioctl(pInfo->fd, EVIOCGRAB, (void *)1)))
xf86Msg(X_WARNING, "%s: Grab failed (%s)\n", pInfo->name,
strerror(errno));
pEvdev->min_maj = EvdevGetMajorMinor(pInfo);
if (EvdevIsDuplicate(pInfo))
{
xf86Msg(X_WARNING, "%s: Refusing to enable duplicate device.\n",
pInfo->name);
return !Success;
}
xf86FlushInput(pInfo->fd);
xf86AddEnabledDevice(pInfo);
EvdevMBEmuOn(pInfo);
pEvdev->flags |= EVDEV_INITIALIZED;
device->public.on = TRUE;
return Success;
}
static int
EvdevProc(DeviceIntPtr device, int what)
{
InputInfoPtr pInfo;
EvdevPtr pEvdev;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
switch (what)
{
case DEVICE_INIT:
return EvdevInit(device);
case DEVICE_ON:
return EvdevOn(device);
case DEVICE_OFF:
if (pEvdev->flags & EVDEV_INITIALIZED)
EvdevMBEmuFinalize(pInfo);
if (pInfo->fd != -1)
{
if (pEvdev->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)0))
xf86Msg(X_WARNING, "%s: Release failed (%s)\n", pInfo->name,
strerror(errno));
xf86RemoveEnabledDevice(pInfo);
close(pInfo->fd);
pInfo->fd = -1;
}
pEvdev->min_maj = 0;
pEvdev->flags &= ~EVDEV_INITIALIZED;
device->public.on = FALSE;
break;
case DEVICE_CLOSE:
xf86Msg(X_INFO, "%s: Close\n", pInfo->name);
if (pInfo->fd != -1) {
close(pInfo->fd);
pInfo->fd = -1;
}
EvdevRemoveDevice(pInfo);
pEvdev->min_maj = 0;
break;
}
return Success;
}
/**
* Get as much information as we can from the fd and cache it.
* If compare is True, then the information retrieved will be compared to the
* one already cached. If the information does not match, then this function
* returns an error.
*
* @return Success if the information was cached, or !Success otherwise.
*/
static int
EvdevCacheCompare(InputInfoPtr pInfo, BOOL compare)
{
EvdevPtr pEvdev = pInfo->private;
size_t len;
int i;
char name[1024] = {0};
unsigned long bitmask[NLONGS(EV_CNT)] = {0};
unsigned long key_bitmask[NLONGS(KEY_CNT)] = {0};
unsigned long rel_bitmask[NLONGS(REL_CNT)] = {0};
unsigned long abs_bitmask[NLONGS(ABS_CNT)] = {0};
unsigned long led_bitmask[NLONGS(LED_CNT)] = {0};
if (ioctl(pInfo->fd, EVIOCGNAME(sizeof(name) - 1), name) < 0) {
xf86Msg(X_ERROR, "ioctl EVIOCGNAME failed: %s\n", strerror(errno));
goto error;
}
if (!compare) {
strcpy(pEvdev->name, name);
} else if (strcmp(pEvdev->name, name)) {
xf86Msg(X_ERROR, "%s: device name changed: %s != %s\n",
pInfo->name, pEvdev->name, name);
goto error;
}
len = ioctl(pInfo->fd, EVIOCGBIT(0, sizeof(bitmask)), bitmask);
if (len < 0) {
xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
pInfo->name, strerror(errno));
goto error;
}
if (!compare) {
memcpy(pEvdev->bitmask, bitmask, len);
} else if (memcmp(pEvdev->bitmask, bitmask, len)) {
xf86Msg(X_ERROR, "%s: device bitmask has changed\n", pInfo->name);
goto error;
}
len = ioctl(pInfo->fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask);
if (len < 0) {
xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
pInfo->name, strerror(errno));
goto error;
}
if (!compare) {
memcpy(pEvdev->rel_bitmask, rel_bitmask, len);
} else if (memcmp(pEvdev->rel_bitmask, rel_bitmask, len)) {
xf86Msg(X_ERROR, "%s: device rel_bitmask has changed\n", pInfo->name);
goto error;
}
len = ioctl(pInfo->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask);
if (len < 0) {
xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
pInfo->name, strerror(errno));
goto error;
}
if (!compare) {
memcpy(pEvdev->abs_bitmask, abs_bitmask, len);
} else if (memcmp(pEvdev->abs_bitmask, abs_bitmask, len)) {
xf86Msg(X_ERROR, "%s: device abs_bitmask has changed\n", pInfo->name);
goto error;
}
len = ioctl(pInfo->fd, EVIOCGBIT(EV_LED, sizeof(led_bitmask)), led_bitmask);
if (len < 0) {
xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
pInfo->name, strerror(errno));
goto error;
}
if (!compare) {
memcpy(pEvdev->led_bitmask, led_bitmask, len);
} else if (memcmp(pEvdev->led_bitmask, led_bitmask, len)) {
xf86Msg(X_ERROR, "%s: device led_bitmask has changed\n", pInfo->name);
goto error;
}
/*
* Do not try to validate absinfo data since it is not expected
* to be static, always refresh it in evdev structure.
*/
for (i = ABS_X; i <= ABS_MAX; i++) {
if (TestBit(i, abs_bitmask)) {
len = ioctl(pInfo->fd, EVIOCGABS(i), &pEvdev->absinfo[i]);
if (len < 0) {
xf86Msg(X_ERROR, "%s: ioctl EVIOCGABSi(%d) failed: %s\n",
pInfo->name, i, strerror(errno));
goto error;
}
}
}
len = ioctl(pInfo->fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask);
if (len < 0) {
xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
pInfo->name, strerror(errno));
goto error;
}
if (compare) {
/*
* Keys are special as user can adjust keymap at any time (on
* devices that support EVIOCSKEYCODE. However we do not expect
* buttons reserved for mice/tablets/digitizers and so on to
* appear/disappear so we will check only those in
* [BTN_MISC, KEY_OK) range.
*/
size_t start_word = BTN_MISC / LONG_BITS;
size_t start_byte = start_word * sizeof(unsigned long);
size_t end_word = KEY_OK / LONG_BITS;
size_t end_byte = end_word * sizeof(unsigned long);
if (len >= start_byte &&
memcmp(&pEvdev->key_bitmask[start_word], &key_bitmask[start_word],
min(len, end_byte) - start_byte + 1)) {
xf86Msg(X_ERROR, "%s: device key_bitmask has changed\n", pInfo->name);
goto error;
}
}
/* Copy the data so we have reasonably up-to-date info */
memcpy(pEvdev->key_bitmask, key_bitmask, len);
return Success;
error:
return !Success;
}
static int
EvdevProbe(InputInfoPtr pInfo)
{
int i, has_rel_axes, has_abs_axes, has_keys, num_buttons, has_scroll;
int kernel24 = 0;
int ignore_abs = 0, ignore_rel = 0;
EvdevPtr pEvdev = pInfo->private;
if (pEvdev->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) {
if (errno == EINVAL) {
/* keyboards are unsafe in 2.4 */
kernel24 = 1;
pEvdev->grabDevice = 0;
} else {
xf86Msg(X_ERROR, "Grab failed. Device already configured?\n");
return 1;
}
} else if (pEvdev->grabDevice) {
ioctl(pInfo->fd, EVIOCGRAB, (void *)0);
}
/* Trinary state for ignoring axes:
- unset: do the normal thing.
- TRUE: explicitly ignore them.
- FALSE: unignore axes, use them at all cost if they're present.
*/
if (xf86FindOption(pInfo->options, "IgnoreRelativeAxes"))
{
if (xf86SetBoolOption(pInfo->options, "IgnoreRelativeAxes", FALSE))
ignore_rel = TRUE;
else
pEvdev->flags |= EVDEV_UNIGNORE_RELATIVE;
}
if (xf86FindOption(pInfo->options, "IgnoreAbsoluteAxes"))
{
if (xf86SetBoolOption(pInfo->options, "IgnoreAbsoluteAxes", FALSE))
ignore_abs = TRUE;
else
pEvdev->flags |= EVDEV_UNIGNORE_ABSOLUTE;
}
has_rel_axes = FALSE;
has_abs_axes = FALSE;
has_keys = FALSE;
has_scroll = FALSE;
num_buttons = 0;
/* count all buttons */
for (i = BTN_MISC; i < BTN_JOYSTICK; i++)
{
int mapping = 0;
if (TestBit(i, pEvdev->key_bitmask))
{
mapping = EvdevUtilButtonEventToButtonNumber(pEvdev, i);
if (mapping > num_buttons)
num_buttons = mapping;
}
}
if (num_buttons)
{
pEvdev->flags |= EVDEV_BUTTON_EVENTS;
pEvdev->num_buttons = num_buttons;
xf86Msg(X_INFO, "%s: Found %d mouse buttons\n", pInfo->name,
num_buttons);
}
for (i = 0; i < REL_MAX; i++) {
if (TestBit(i, pEvdev->rel_bitmask)) {
has_rel_axes = TRUE;
break;
}
}
if (has_rel_axes) {
if (TestBit(REL_WHEEL, pEvdev->rel_bitmask) ||
TestBit(REL_HWHEEL, pEvdev->rel_bitmask) ||
TestBit(REL_DIAL, pEvdev->rel_bitmask)) {
xf86Msg(X_INFO, "%s: Found scroll wheel(s)\n", pInfo->name);
has_scroll = TRUE;
if (!num_buttons)
xf86Msg(X_INFO, "%s: Forcing buttons for scroll wheel(s)\n",
pInfo->name);
num_buttons = (num_buttons < 3) ? 7 : num_buttons + 4;
pEvdev->num_buttons = num_buttons;
}
if (!ignore_rel)
{
xf86Msg(X_INFO, "%s: Found relative axes\n", pInfo->name);
pEvdev->flags |= EVDEV_RELATIVE_EVENTS;
if (TestBit(REL_X, pEvdev->rel_bitmask) &&
TestBit(REL_Y, pEvdev->rel_bitmask)) {
xf86Msg(X_INFO, "%s: Found x and y relative axes\n", pInfo->name);
}
} else {
xf86Msg(X_INFO, "%s: Relative axes present but ignored.\n", pInfo->name);
has_rel_axes = FALSE;
}
}
for (i = 0; i < ABS_MAX; i++) {
if (TestBit(i, pEvdev->abs_bitmask)) {
has_abs_axes = TRUE;
break;
}
}
if (ignore_abs && has_abs_axes)
{
xf86Msg(X_INFO, "%s: Absolute axes present but ignored.\n", pInfo->name);
has_abs_axes = FALSE;
} else if (has_abs_axes) {
xf86Msg(X_INFO, "%s: Found absolute axes\n", pInfo->name);
pEvdev->flags |= EVDEV_ABSOLUTE_EVENTS;
if ((TestBit(ABS_X, pEvdev->abs_bitmask) &&
TestBit(ABS_Y, pEvdev->abs_bitmask))) {
xf86Msg(X_INFO, "%s: Found x and y absolute axes\n", pInfo->name);
if (TestBit(BTN_TOOL_PEN, pEvdev->key_bitmask))
{
xf86Msg(X_INFO, "%s: Found absolute tablet.\n", pInfo->name);
pEvdev->flags |= EVDEV_TABLET;
} else if (TestBit(ABS_PRESSURE, pEvdev->abs_bitmask) ||
TestBit(BTN_TOUCH, pEvdev->key_bitmask)) {
if (num_buttons || TestBit(BTN_TOOL_FINGER, pEvdev->key_bitmask)) {
xf86Msg(X_INFO, "%s: Found absolute touchpad.\n", pInfo->name);
pEvdev->flags |= EVDEV_TOUCHPAD;
memset(pEvdev->old_vals, -1, sizeof(int) * pEvdev->num_vals);
} else {
xf86Msg(X_INFO, "%s: Found absolute touchscreen\n", pInfo->name);
pEvdev->flags |= EVDEV_TOUCHSCREEN;
pEvdev->flags |= EVDEV_BUTTON_EVENTS;
}
}
}
}
for (i = 0; i < BTN_MISC; i++) {
if (TestBit(i, pEvdev->key_bitmask)) {
xf86Msg(X_INFO, "%s: Found keys\n", pInfo->name);
pEvdev->flags |= EVDEV_KEYBOARD_EVENTS;
has_keys = TRUE;
break;
}
}
if (has_rel_axes || has_abs_axes || num_buttons) {
pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS |
XI86_CONFIGURED;
if (pEvdev->flags & EVDEV_TOUCHPAD) {
xf86Msg(X_INFO, "%s: Configuring as touchpad\n", pInfo->name);
pInfo->type_name = XI_TOUCHPAD;
} else if (pEvdev->flags & EVDEV_TABLET) {
xf86Msg(X_INFO, "%s: Configuring as tablet\n", pInfo->name);
pInfo->type_name = XI_TABLET;
} else if (pEvdev->flags & EVDEV_TOUCHSCREEN) {
xf86Msg(X_INFO, "%s: Configuring as touchscreen\n", pInfo->name);
pInfo->type_name = XI_TOUCHSCREEN;
} else {
xf86Msg(X_INFO, "%s: Configuring as mouse\n", pInfo->name);
pInfo->type_name = XI_MOUSE;
}
}
if (has_keys) {
if (kernel24) {
xf86Msg(X_INFO, "%s: Kernel < 2.6 is too old, ignoring keyboard\n",
pInfo->name);
} else {
xf86Msg(X_INFO, "%s: Configuring as keyboard\n", pInfo->name);
pInfo->flags |= XI86_KEYBOARD_CAPABLE | XI86_CONFIGURED;
pInfo->type_name = XI_KEYBOARD;
}
}
if (has_scroll && (pInfo->flags & XI86_CONFIGURED) &&
(pInfo->flags & XI86_POINTER_CAPABLE) == 0)
{
xf86Msg(X_INFO, "%s: Adding scrollwheel support\n", pInfo->name);
pInfo->flags |= XI86_POINTER_CAPABLE;
pEvdev->flags |= EVDEV_BUTTON_EVENTS;
pEvdev->flags |= EVDEV_RELATIVE_EVENTS;
}
if ((pInfo->flags & XI86_CONFIGURED) == 0) {
xf86Msg(X_WARNING, "%s: Don't know how to use device\n",
pInfo->name);
return 1;
}
return 0;
}
static void
EvdevSetCalibration(InputInfoPtr pInfo, int num_calibration, int calibration[4])
{
EvdevPtr pEvdev = pInfo->private;
if (num_calibration == 0) {
pEvdev->flags &= ~EVDEV_CALIBRATED;
pEvdev->calibration.min_x = 0;
pEvdev->calibration.max_x = 0;
pEvdev->calibration.min_y = 0;
pEvdev->calibration.max_y = 0;
} else if (num_calibration == 4) {
pEvdev->flags |= EVDEV_CALIBRATED;
pEvdev->calibration.min_x = calibration[0];
pEvdev->calibration.max_x = calibration[1];
pEvdev->calibration.min_y = calibration[2];
pEvdev->calibration.max_y = calibration[3];
}
}
static InputInfoPtr
EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
{
InputInfoPtr pInfo;
const char *device, *str;
int num_calibration = 0, calibration[4] = { 0, 0, 0, 0 };
EvdevPtr pEvdev;
if (!(pInfo = xf86AllocateInput(drv, 0)))
return NULL;
/* Initialise the InputInfoRec. */
pInfo->name = dev->identifier;
pInfo->flags = 0;
pInfo->type_name = "UNKNOWN";
pInfo->device_control = EvdevProc;
pInfo->read_input = EvdevReadInput;
pInfo->history_size = 0;
pInfo->control_proc = NULL;
pInfo->close_proc = NULL;
pInfo->switch_mode = NULL;
pInfo->conversion_proc = NULL;
pInfo->reverse_conversion_proc = NULL;
pInfo->dev = NULL;
pInfo->private_flags = 0;
pInfo->always_core_feedback = NULL;
pInfo->conf_idev = dev;
if (!(pEvdev = xcalloc(sizeof(EvdevRec), 1)))
return pInfo;
pInfo->private = pEvdev;
xf86CollectInputOptions(pInfo, evdevDefaults, NULL);
xf86ProcessCommonOptions(pInfo, pInfo->options);
/*
* We initialize pEvdev->tool to 1 so that device that doesn't use
* proximity will still report events.
*/
pEvdev->tool = 1;
device = xf86CheckStrOption(dev->commonOptions, "Device", NULL);
if (!device) {
xf86Msg(X_ERROR, "%s: No device specified.\n", pInfo->name);
xf86DeleteInput(pInfo, 0);
return NULL;
}
pEvdev->device = device;
xf86Msg(X_CONFIG, "%s: Device: \"%s\"\n", pInfo->name, device);
do {
pInfo->fd = open(device, O_RDWR | O_NONBLOCK, 0);
} while (pInfo->fd < 0 && errno == EINTR);
if (pInfo->fd < 0) {
xf86Msg(X_ERROR, "Unable to open evdev device \"%s\".\n", device);
xf86DeleteInput(pInfo, 0);
return NULL;
}
/* Check major/minor of device node to avoid adding duplicate devices. */
pEvdev->min_maj = EvdevGetMajorMinor(pInfo);
if (EvdevIsDuplicate(pInfo))
{
xf86Msg(X_WARNING, "%s: device file already in use. Ignoring.\n",
pInfo->name);
close(pInfo->fd);
xf86DeleteInput(pInfo, 0);
return NULL;
}
pEvdev->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE);
pEvdev->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE);
pEvdev->swap_axes = xf86SetBoolOption(pInfo->options, "SwapAxes", FALSE);
str = xf86CheckStrOption(pInfo->options, "Calibration", NULL);
if (str) {
num_calibration = sscanf(str, "%d %d %d %d",
&calibration[0], &calibration[1],
&calibration[2], &calibration[3]);
if (num_calibration == 4)
EvdevSetCalibration(pInfo, num_calibration, calibration);
else
xf86Msg(X_ERROR,
"%s: Insufficient calibration factors (%d). Ignoring calibration\n",
pInfo->name, num_calibration);
}
/* Grabbing the event device stops in-kernel event forwarding. In other
words, it disables rfkill and the "Macintosh mouse button emulation".
Note that this needs a server that sets the console to RAW mode. */
pEvdev->grabDevice = xf86CheckBoolOption(dev->commonOptions, "GrabDevice", 0);
EvdevInitButtonMapping(pInfo);
if (EvdevCacheCompare(pInfo, FALSE) ||
EvdevProbe(pInfo)) {
close(pInfo->fd);
xf86DeleteInput(pInfo, 0);
return NULL;
}
EvdevAddDevice(pInfo);
if (pEvdev->flags & EVDEV_BUTTON_EVENTS)
{
EvdevMBEmuPreInit(pInfo);
EvdevWheelEmuPreInit(pInfo);
EvdevDragLockPreInit(pInfo);
}
return pInfo;
}
_X_EXPORT InputDriverRec EVDEV = {
1,
"evdev",
NULL,
EvdevPreInit,
NULL,
NULL,
0
};
static void
EvdevUnplug(pointer p)
{
}
static pointer
EvdevPlug(pointer module,
pointer options,
int *errmaj,
int *errmin)
{
xf86AddInputDriver(&EVDEV, module, 0);
return module;
}
static XF86ModuleVersionInfo EvdevVersionRec =
{
"evdev",
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XORG_VERSION_CURRENT,
PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL,
ABI_CLASS_XINPUT,
ABI_XINPUT_VERSION,
MOD_CLASS_XINPUT,
{0, 0, 0, 0}
};
_X_EXPORT XF86ModuleData evdevModuleData =
{
&EvdevVersionRec,
EvdevPlug,
EvdevUnplug
};
/* Return an index value for a given button event code
* returns 0 on non-button event.
*/
unsigned int
EvdevUtilButtonEventToButtonNumber(EvdevPtr pEvdev, int code)
{
unsigned int button = 0;
switch(code) {
case BTN_LEFT:
button = 1;
break;
case BTN_RIGHT:
button = 3;
break;
case BTN_MIDDLE:
button = 2;
break;
/* Treat BTN_[0-2] as LMR buttons on devices that do not advertise
BTN_LEFT, BTN_MIDDLE, BTN_RIGHT.
Otherwise, treat BTN_[0+n] as button 5+n.
XXX: This causes duplicate mappings for BTN_0 + n and BTN_SIDE + n
*/
case BTN_0:
button = (TestBit(BTN_LEFT, pEvdev->key_bitmask)) ? 8 : 1;
break;
case BTN_1:
button = (TestBit(BTN_MIDDLE, pEvdev->key_bitmask)) ? 9 : 2;
break;
case BTN_2:
button = (TestBit(BTN_RIGHT, pEvdev->key_bitmask)) ? 10 : 3;
break;
/* FIXME: BTN_3.. and BTN_SIDE.. have the same button mapping */
case BTN_3:
case BTN_4:
case BTN_5:
case BTN_6:
case BTN_7:
case BTN_8:
case BTN_9:
button = (code - BTN_0 + 5);
break;
case BTN_SIDE:
case BTN_EXTRA:
case BTN_FORWARD:
case BTN_BACK:
case BTN_TASK:
button = (code - BTN_LEFT + 5);
break;
default:
if ((code > BTN_TASK) && (code < KEY_OK)) {
if (code < BTN_JOYSTICK) {
if (code < BTN_MOUSE)
button = (code - BTN_0 + 5);
else
button = (code - BTN_LEFT + 5);
}
}
}
if (button > EVDEV_MAXBUTTONS)
return 0;
return button;
}
#ifdef HAVE_PROPERTIES
#ifdef HAVE_LABELS
/* Aligned with linux/input.h.
Note that there are holes in the ABS_ range, these are simply replaced with
MISC here */
static char* abs_labels[] = {
AXIS_LABEL_PROP_ABS_X, /* 0x00 */
AXIS_LABEL_PROP_ABS_Y, /* 0x01 */
AXIS_LABEL_PROP_ABS_Z, /* 0x02 */
AXIS_LABEL_PROP_ABS_RX, /* 0x03 */
AXIS_LABEL_PROP_ABS_RY, /* 0x04 */
AXIS_LABEL_PROP_ABS_RZ, /* 0x05 */
AXIS_LABEL_PROP_ABS_THROTTLE, /* 0x06 */
AXIS_LABEL_PROP_ABS_RUDDER, /* 0x07 */
AXIS_LABEL_PROP_ABS_WHEEL, /* 0x08 */
AXIS_LABEL_PROP_ABS_GAS, /* 0x09 */
AXIS_LABEL_PROP_ABS_BRAKE, /* 0x0a */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_HAT0X, /* 0x10 */
AXIS_LABEL_PROP_ABS_HAT0Y, /* 0x11 */
AXIS_LABEL_PROP_ABS_HAT1X, /* 0x12 */
AXIS_LABEL_PROP_ABS_HAT1Y, /* 0x13 */
AXIS_LABEL_PROP_ABS_HAT2X, /* 0x14 */
AXIS_LABEL_PROP_ABS_HAT2Y, /* 0x15 */
AXIS_LABEL_PROP_ABS_HAT3X, /* 0x16 */
AXIS_LABEL_PROP_ABS_HAT3Y, /* 0x17 */
AXIS_LABEL_PROP_ABS_PRESSURE, /* 0x18 */
AXIS_LABEL_PROP_ABS_DISTANCE, /* 0x19 */
AXIS_LABEL_PROP_ABS_TILT_X, /* 0x1a */
AXIS_LABEL_PROP_ABS_TILT_Y, /* 0x1b */
AXIS_LABEL_PROP_ABS_TOOL_WIDTH, /* 0x1c */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_MISC, /* undefined */
AXIS_LABEL_PROP_ABS_VOLUME /* 0x20 */
};
static char* rel_labels[] = {
AXIS_LABEL_PROP_REL_X,
AXIS_LABEL_PROP_REL_Y,
AXIS_LABEL_PROP_REL_Z,
AXIS_LABEL_PROP_REL_RX,
AXIS_LABEL_PROP_REL_RY,
AXIS_LABEL_PROP_REL_RZ,
AXIS_LABEL_PROP_REL_HWHEEL,
AXIS_LABEL_PROP_REL_DIAL,
AXIS_LABEL_PROP_REL_WHEEL,
AXIS_LABEL_PROP_REL_MISC
};
static char* btn_labels[][16] = {
{ /* BTN_MISC group offset 0x100*/
BTN_LABEL_PROP_BTN_0, /* 0x00 */
BTN_LABEL_PROP_BTN_1, /* 0x01 */
BTN_LABEL_PROP_BTN_2, /* 0x02 */
BTN_LABEL_PROP_BTN_3, /* 0x03 */
BTN_LABEL_PROP_BTN_4, /* 0x04 */
BTN_LABEL_PROP_BTN_5, /* 0x05 */
BTN_LABEL_PROP_BTN_6, /* 0x06 */
BTN_LABEL_PROP_BTN_7, /* 0x07 */
BTN_LABEL_PROP_BTN_8, /* 0x08 */
BTN_LABEL_PROP_BTN_9 /* 0x09 */
},
{ /* BTN_MOUSE group offset 0x110 */
BTN_LABEL_PROP_BTN_LEFT, /* 0x00 */
BTN_LABEL_PROP_BTN_RIGHT, /* 0x01 */
BTN_LABEL_PROP_BTN_MIDDLE, /* 0x02 */
BTN_LABEL_PROP_BTN_SIDE, /* 0x03 */
BTN_LABEL_PROP_BTN_EXTRA, /* 0x04 */
BTN_LABEL_PROP_BTN_FORWARD, /* 0x05 */
BTN_LABEL_PROP_BTN_BACK, /* 0x06 */
BTN_LABEL_PROP_BTN_TASK /* 0x07 */
},
{ /* BTN_JOYSTICK group offset 0x120 */
BTN_LABEL_PROP_BTN_TRIGGER, /* 0x00 */
BTN_LABEL_PROP_BTN_THUMB, /* 0x01 */
BTN_LABEL_PROP_BTN_THUMB2, /* 0x02 */
BTN_LABEL_PROP_BTN_TOP, /* 0x03 */
BTN_LABEL_PROP_BTN_TOP2, /* 0x04 */
BTN_LABEL_PROP_BTN_PINKIE, /* 0x05 */
BTN_LABEL_PROP_BTN_BASE, /* 0x06 */
BTN_LABEL_PROP_BTN_BASE2, /* 0x07 */
BTN_LABEL_PROP_BTN_BASE3, /* 0x08 */
BTN_LABEL_PROP_BTN_BASE4, /* 0x09 */
BTN_LABEL_PROP_BTN_BASE5, /* 0x0a */
BTN_LABEL_PROP_BTN_BASE6, /* 0x0b */
NULL,
NULL,
NULL,
BTN_LABEL_PROP_BTN_DEAD /* 0x0f */
},
{ /* BTN_GAMEPAD group offset 0x130 */
BTN_LABEL_PROP_BTN_A, /* 0x00 */
BTN_LABEL_PROP_BTN_B, /* 0x01 */
BTN_LABEL_PROP_BTN_C, /* 0x02 */
BTN_LABEL_PROP_BTN_X, /* 0x03 */
BTN_LABEL_PROP_BTN_Y, /* 0x04 */
BTN_LABEL_PROP_BTN_Z, /* 0x05 */
BTN_LABEL_PROP_BTN_TL, /* 0x06 */
BTN_LABEL_PROP_BTN_TR, /* 0x07 */
BTN_LABEL_PROP_BTN_TL2, /* 0x08 */
BTN_LABEL_PROP_BTN_TR2, /* 0x09 */
BTN_LABEL_PROP_BTN_SELECT, /* 0x0a */
BTN_LABEL_PROP_BTN_START, /* 0x0b */
BTN_LABEL_PROP_BTN_MODE, /* 0x0c */
BTN_LABEL_PROP_BTN_THUMBL, /* 0x0d */
BTN_LABEL_PROP_BTN_THUMBR /* 0x0e */
},
{ /* BTN_DIGI group offset 0x140 */
BTN_LABEL_PROP_BTN_TOOL_PEN, /* 0x00 */
BTN_LABEL_PROP_BTN_TOOL_RUBBER, /* 0x01 */
BTN_LABEL_PROP_BTN_TOOL_BRUSH, /* 0x02 */
BTN_LABEL_PROP_BTN_TOOL_PENCIL, /* 0x03 */
BTN_LABEL_PROP_BTN_TOOL_AIRBRUSH, /* 0x04 */
BTN_LABEL_PROP_BTN_TOOL_FINGER, /* 0x05 */
BTN_LABEL_PROP_BTN_TOOL_MOUSE, /* 0x06 */
BTN_LABEL_PROP_BTN_TOOL_LENS, /* 0x07 */
NULL,
NULL,
BTN_LABEL_PROP_BTN_TOUCH, /* 0x0a */
BTN_LABEL_PROP_BTN_STYLUS, /* 0x0b */
BTN_LABEL_PROP_BTN_STYLUS2, /* 0x0c */
BTN_LABEL_PROP_BTN_TOOL_DOUBLETAP, /* 0x0d */
BTN_LABEL_PROP_BTN_TOOL_TRIPLETAP /* 0x0e */
},
{ /* BTN_WHEEL group offset 0x150 */
BTN_LABEL_PROP_BTN_GEAR_DOWN, /* 0x00 */
BTN_LABEL_PROP_BTN_GEAR_UP /* 0x01 */
}
};
#endif /* HAVE_LABELS */
static void EvdevInitAxesLabels(EvdevPtr pEvdev, int natoms, Atom *atoms)
{
#ifdef HAVE_LABELS
Atom atom;
int axis;
char **labels;
int labels_len = 0;
char *misc_label;
if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS)
{
labels = abs_labels;
labels_len = ArrayLength(abs_labels);
misc_label = AXIS_LABEL_PROP_ABS_MISC;
} else if ((pEvdev->flags & EVDEV_RELATIVE_EVENTS))
{
labels = rel_labels;
labels_len = ArrayLength(rel_labels);
misc_label = AXIS_LABEL_PROP_REL_MISC;
}
memset(atoms, 0, natoms * sizeof(Atom));
/* Now fill the ones we know */
for (axis = 0; axis < labels_len; axis++)
{
if (pEvdev->axis_map[axis] == -1)
continue;
atom = XIGetKnownProperty(labels[axis]);
if (!atom) /* Should not happen */
continue;
atoms[pEvdev->axis_map[axis]] = atom;
}
#endif
}
static void EvdevInitButtonLabels(EvdevPtr pEvdev, int natoms, Atom *atoms)
{
#ifdef HAVE_LABELS
Atom atom;
int button, bmap;
/* First, make sure all atoms are initialized */
atom = XIGetKnownProperty(BTN_LABEL_PROP_BTN_UNKNOWN);
for (button = 0; button < natoms; button++)
atoms[button] = atom;
for (button = BTN_MISC; button < BTN_JOYSTICK; button++)
{
if (TestBit(button, pEvdev->key_bitmask))
{
int group = (button % 0x100)/16;
int idx = button - ((button/16) * 16);
if (!btn_labels[group][idx])
continue;
atom = XIGetKnownProperty(btn_labels[group][idx]);
if (!atom)
continue;
/* Props are 0-indexed, button numbers start with 1 */
bmap = EvdevUtilButtonEventToButtonNumber(pEvdev, button) - 1;
atoms[bmap] = atom;
}
}
/* wheel buttons, hardcoded anyway */
if (natoms > 3)
atoms[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
if (natoms > 4)
atoms[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
if (natoms > 5)
atoms[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
if (natoms > 6)
atoms[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
#endif
}
static void
EvdevInitProperty(DeviceIntPtr dev)
{
InputInfoPtr pInfo = dev->public.devicePrivate;
EvdevPtr pEvdev = pInfo->private;
int rc;
BOOL invert[2];
if (pEvdev->flags & (EVDEV_RELATIVE_EVENTS | EVDEV_ABSOLUTE_EVENTS))
{
invert[0] = pEvdev->invert_x;
invert[1] = pEvdev->invert_y;
prop_invert = MakeAtom(EVDEV_PROP_INVERT_AXES, strlen(EVDEV_PROP_INVERT_AXES), TRUE);
rc = XIChangeDeviceProperty(dev, prop_invert, XA_INTEGER, 8,
PropModeReplace, 2,
invert, FALSE);
if (rc != Success)
return;
XISetDevicePropertyDeletable(dev, prop_invert, FALSE);
prop_calibration = MakeAtom(EVDEV_PROP_CALIBRATION,
strlen(EVDEV_PROP_CALIBRATION), TRUE);
if (pEvdev->flags & EVDEV_CALIBRATED) {
int calibration[4];
calibration[0] = pEvdev->calibration.min_x;
calibration[1] = pEvdev->calibration.max_x;
calibration[2] = pEvdev->calibration.min_y;
calibration[3] = pEvdev->calibration.max_y;
rc = XIChangeDeviceProperty(dev, prop_calibration, XA_INTEGER,
32, PropModeReplace, 4, calibration,
FALSE);
} else {
rc = XIChangeDeviceProperty(dev, prop_calibration, XA_INTEGER,
32, PropModeReplace, 0, NULL,
FALSE);
}
if (rc != Success)
return;
XISetDevicePropertyDeletable(dev, prop_calibration, FALSE);
prop_swap = MakeAtom(EVDEV_PROP_SWAP_AXES,
strlen(EVDEV_PROP_SWAP_AXES), TRUE);
rc = XIChangeDeviceProperty(dev, prop_swap, XA_INTEGER, 8,
PropModeReplace, 1, &pEvdev->swap_axes, FALSE);
if (rc != Success)
return;
XISetDevicePropertyDeletable(dev, prop_swap, FALSE);
#ifdef HAVE_LABELS
/* Axis labelling */
if ((pEvdev->num_vals > 0) && (prop_axis_label = XIGetKnownProperty(AXIS_LABEL_PROP)))
{
Atom atoms[pEvdev->num_vals];
EvdevInitAxesLabels(pEvdev, pEvdev->num_vals, atoms);
XIChangeDeviceProperty(dev, prop_axis_label, XA_ATOM, 32,
PropModeReplace, pEvdev->num_vals, atoms, FALSE);
XISetDevicePropertyDeletable(dev, prop_axis_label, FALSE);
}
/* Button labelling */
if ((pEvdev->num_buttons > 0) && (prop_btn_label = XIGetKnownProperty(BTN_LABEL_PROP)))
{
Atom atoms[EVDEV_MAXBUTTONS];
EvdevInitButtonLabels(pEvdev, EVDEV_MAXBUTTONS, atoms);
XIChangeDeviceProperty(dev, prop_btn_label, XA_ATOM, 32,
PropModeReplace, pEvdev->num_buttons, atoms, FALSE);
XISetDevicePropertyDeletable(dev, prop_btn_label, FALSE);
}
#endif /* HAVE_LABELS */
}
}
static int
EvdevSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val,
BOOL checkonly)
{
InputInfoPtr pInfo = dev->public.devicePrivate;
EvdevPtr pEvdev = pInfo->private;
if (atom == prop_invert)
{
BOOL* data;
if (val->format != 8 || val->size != 2 || val->type != XA_INTEGER)
return BadMatch;
if (!checkonly)
{
data = (BOOL*)val->data;
pEvdev->invert_x = data[0];
pEvdev->invert_y = data[1];
}
} else if (atom == prop_calibration)
{
if (val->format != 32 || val->type != XA_INTEGER)
return BadMatch;
if (val->size != 4 && val->size != 0)
return BadMatch;
if (!checkonly)
EvdevSetCalibration(pInfo, val->size, val->data);
} else if (atom == prop_swap)
{
if (val->format != 8 || val->type != XA_INTEGER || val->size != 1)
return BadMatch;
if (!checkonly)
pEvdev->swap_axes = *((BOOL*)val->data);
} else if (atom == prop_axis_label || atom == prop_btn_label)
return BadAccess; /* Axis/Button labels can't be changed */
return Success;
}
#endif
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