649 lines
19 KiB
C
649 lines
19 KiB
C
/*
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* $Id: evdev.c,v 1.1.1.1 2006/11/26 18:23:53 matthieu Exp $
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*
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* Copyright © 2004 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <xgl-config.h>
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#define NEED_EVENTS
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#include <errno.h>
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#include <linux/input.h>
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/Xpoll.h>
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#define XK_PUBLISHING
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#include <X11/keysym.h>
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#include "inputstr.h"
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#include "kkeymap.h"
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#include "scrnintstr.h"
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#include "xegl.h"
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#define NUM_EVENTS 128
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#define ABS_UNSET -65535
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#define BITS_PER_LONG (sizeof(long) * 8)
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#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
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#define ISBITSET(x,y) ((x)[LONG(y)] & BIT(y))
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#define OFF(x) ((x)%BITS_PER_LONG)
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#define LONG(x) ((x)/BITS_PER_LONG)
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#define BIT(x) (1 << OFF(x))
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#define SETBIT(x,y) ((x)[LONG(y)] |= BIT(y))
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#define CLRBIT(x,y) ((x)[LONG(y)] &= ~BIT(y))
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#define ASSIGNBIT(x,y,z) ((x)[LONG(y)] = ((x)[LONG(y)] & ~BIT(y)) | (z << OFF(y)))
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typedef struct _kevdevMouse {
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/* current device state */
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int rel[REL_MAX + 1];
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int abs[ABS_MAX + 1];
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int prevabs[ABS_MAX + 1];
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long key[NBITS(KEY_MAX + 1)];
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/* supported device info */
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long relbits[NBITS(REL_MAX + 1)];
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long absbits[NBITS(ABS_MAX + 1)];
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long keybits[NBITS(KEY_MAX + 1)];
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struct input_absinfo absinfo[ABS_MAX + 1];
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int max_rel;
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int max_abs;
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} Kevdev;
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static int flags = 0;
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static void
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EvdevMotion (KdMouseInfo *mi)
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{
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Kevdev *ke = mi->driver;
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int i;
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for (i = 0; i <= ke->max_rel; i++)
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if (ke->rel[i])
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{
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KdEnqueueMouseEvent (mi, flags | KD_MOUSE_DELTA, ke->rel[0], ke->rel[1]);
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int a;
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// ErrorF ("rel");
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for (a = 0; a <= ke->max_rel; a++)
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{
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// if (ISBITSET (ke->relbits, a))
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// ErrorF (" %d=%d", a, ke->rel[a]);
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ke->rel[a] = 0;
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}
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// ErrorF ("\n");
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break;
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}
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for (i = 0; i < ke->max_abs; i++)
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if (ke->abs[i] != ke->prevabs[i])
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{
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KdEnqueueMouseEvent (mi, flags, ke->abs[0], ke->abs[1]);
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int a;
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// ErrorF ("abs");
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for (a = 0; a <= ke->max_abs; a++)
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{
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// if (ISBITSET (ke->absbits, a))
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// ErrorF (" %d=%d", a, ke->abs[a]);
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ke->prevabs[a] = ke->abs[a];
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}
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// ErrorF ("\n");
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break;
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}
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}
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static void
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EvdevRead (int evdevPort, void *closure)
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{
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KdMouseInfo *mi = closure;
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Kevdev *ke = mi->driver;
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int i, n;
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struct input_event events[NUM_EVENTS];
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n = read (evdevPort, &events, NUM_EVENTS * sizeof (struct input_event));
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if (n <= 0)
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return;
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n /= sizeof (struct input_event);
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for (i = 0; i < n; i++)
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{
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switch (events[i].type) {
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case EV_SYN:
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break;
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case EV_KEY:
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EvdevMotion (mi);
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ASSIGNBIT(ke->key,events[i].code, events[i].value);
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if (events[i].code < 0x100)
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ErrorF ("key %d %d\n", events[i].code, events[i].value);
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else
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ErrorF ("key 0x%x %d\n", events[i].code, events[i].value);
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if (events[i].value==1) {
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switch (events[i].code) {
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case BTN_LEFT:
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flags |= KD_BUTTON_1;
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break;
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case BTN_RIGHT:
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flags |= KD_BUTTON_3;
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break;
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case BTN_MIDDLE:
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flags |= KD_BUTTON_2;
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break;
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case BTN_FORWARD:
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flags |= KD_BUTTON_4;
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break;
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case BTN_BACK:
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flags |= KD_BUTTON_5;
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break;
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}
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}
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else if (events[i].value==0) {
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switch (events[i].code) {
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case BTN_LEFT:
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flags &= ~KD_BUTTON_1;
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break;
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case BTN_RIGHT:
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flags &= ~KD_BUTTON_3;
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break;
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case BTN_MIDDLE:
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flags &= ~KD_BUTTON_2;
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break;
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case BTN_FORWARD:
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flags &= ~KD_BUTTON_4;
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break;
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case BTN_BACK:
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flags &= ~KD_BUTTON_5;
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break;
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}
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}
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KdEnqueueMouseEvent (mi, KD_MOUSE_DELTA | flags, 0, 0);
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break;
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case EV_REL:
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ke->rel[events[i].code] += events[i].value;
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break;
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case EV_ABS:
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ke->abs[events[i].code] = events[i].value;
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break;
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}
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}
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EvdevMotion (mi);
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}
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int EvdevInputType;
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char *kdefaultEvdev[] = {
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// "/dev/input/event0",
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"/dev/input/event1",
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// "/dev/input/event2",
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// "/dev/input/event3",
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// "/dev/input/event4",
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// "/dev/input/event5",
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};
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#define NUM_DEFAULT_EVDEV (sizeof (kdefaultEvdev) / sizeof (kdefaultEvdev[0]))
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static Bool
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EvdevInit (void)
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{
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int i;
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int fd;
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KdMouseInfo *mi, *next;
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int n = 0;
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char *prot;
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char name[100];
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if (!EvdevInputType)
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EvdevInputType = KdAllocInputType ();
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for (mi = kdMouseInfo; mi; mi = next)
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{
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next = mi->next;
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prot = mi->prot;
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if (mi->inputType)
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continue;
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if (!mi->name)
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{
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for (i = 0; i < NUM_DEFAULT_EVDEV; i++)
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{
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fd = open (kdefaultEvdev[i], 2);
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if (fd >= 0)
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{
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ioctl(fd, EVIOCGRAB, 1);
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ioctl(fd, EVIOCGNAME(sizeof(name)), name);
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ErrorF("Name is %s\n", name);
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ioctl(fd, EVIOCGPHYS(sizeof(name)), name);
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ErrorF("Phys Loc is %s\n", name);
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ioctl(fd, EVIOCGUNIQ(sizeof(name)), name);
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ErrorF("Unique is %s\n", name);
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mi->name = KdSaveString (kdefaultEvdev[i]);
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break;
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}
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}
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}
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else
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fd = open (mi->name, 2);
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if (fd >= 0)
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{
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unsigned long ev[NBITS(EV_MAX)];
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Kevdev *ke;
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if (ioctl (fd, EVIOCGBIT(0 /*EV*/, sizeof (ev)), ev) < 0)
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{
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perror ("EVIOCGBIT 0");
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close (fd);
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continue;
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}
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ke = xalloc (sizeof (Kevdev));
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if (!ke)
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{
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close (fd);
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continue;
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}
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memset (ke, '\0', sizeof (Kevdev));
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if (ISBITSET (ev, EV_KEY))
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{
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if (ioctl (fd, EVIOCGBIT (EV_KEY, sizeof (ke->keybits)),
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ke->keybits) < 0)
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{
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perror ("EVIOCGBIT EV_KEY");
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xfree (ke);
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close (fd);
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continue;
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}
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}
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if (ISBITSET (ev, EV_REL))
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{
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if (ioctl (fd, EVIOCGBIT (EV_REL, sizeof (ke->relbits)),
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ke->relbits) < 0)
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{
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perror ("EVIOCGBIT EV_REL");
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xfree (ke);
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close (fd);
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continue;
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}
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for (ke->max_rel = REL_MAX; ke->max_rel >= 0; ke->max_rel--)
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if (ISBITSET(ke->relbits, ke->max_rel))
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break;
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}
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if (ISBITSET (ev, EV_ABS))
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{
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int i;
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if (ioctl (fd, EVIOCGBIT (EV_ABS, sizeof (ke->absbits)),
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ke->absbits) < 0)
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{
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perror ("EVIOCGBIT EV_ABS");
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xfree (ke);
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close (fd);
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continue;
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}
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for (ke->max_abs = ABS_MAX; ke->max_abs >= 0; ke->max_abs--)
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if (ISBITSET(ke->absbits, ke->max_abs))
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break;
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for (i = 0; i <= ke->max_abs; i++)
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{
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if (ISBITSET (ke->absbits, i))
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if (ioctl (fd, EVIOCGABS(i), &ke->absinfo[i]) < 0)
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{
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perror ("EVIOCGABS");
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break;
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}
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ke->prevabs[i] = ABS_UNSET;
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}
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if (i <= ke->max_abs)
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{
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xfree (ke);
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close (fd);
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continue;
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}
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}
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mi->driver = ke;
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mi->inputType = EvdevInputType;
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if (KdRegisterFd (EvdevInputType, fd, EvdevRead, (void *) mi))
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n++;
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}
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}
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return TRUE;
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}
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static void
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EvdevFini (void)
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{
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KdMouseInfo *mi;
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KdUnregisterFds (EvdevInputType, TRUE);
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for (mi = kdMouseInfo; mi; mi = mi->next)
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{
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if (mi->inputType == EvdevInputType)
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{
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xfree (mi->driver);
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mi->driver = 0;
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mi->inputType = 0;
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}
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}
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}
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KdMouseFuncs LinuxEvdevMouseFuncs = {
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EvdevInit,
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EvdevFini,
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};
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KeySym evdevKeymap[(112 - 1 + 1) * 2] = {
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/* These are directly mapped from DOS scanset 0 */
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/* 1 8 */ XK_Escape, NoSymbol,
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/* 2 9 */ XK_1, XK_exclam,
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/* 3 10 */ XK_2, XK_at,
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/* 4 11 */ XK_3, XK_numbersign,
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/* 5 12 */ XK_4, XK_dollar,
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/* 6 13 */ XK_5, XK_percent,
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/* 7 14 */ XK_6, XK_asciicircum,
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/* 8 15 */ XK_7, XK_ampersand,
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/* 9 16 */ XK_8, XK_asterisk,
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/* 10 17 */ XK_9, XK_parenleft,
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/* 11 18 */ XK_0, XK_parenright,
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/* 12 19 */ XK_minus, XK_underscore,
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/* 13 20 */ XK_equal, XK_plus,
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/* 14 21 */ XK_BackSpace, NoSymbol,
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/* 15 22 */ XK_Tab, NoSymbol,
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/* 16 23 */ XK_Q, NoSymbol,
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/* 17 24 */ XK_W, NoSymbol,
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/* 18 25 */ XK_E, NoSymbol,
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/* 19 26 */ XK_R, NoSymbol,
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/* 20 27 */ XK_T, NoSymbol,
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/* 21 28 */ XK_Y, NoSymbol,
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/* 22 29 */ XK_U, NoSymbol,
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/* 23 30 */ XK_I, NoSymbol,
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/* 24 31 */ XK_O, NoSymbol,
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/* 25 32 */ XK_P, NoSymbol,
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/* 26 33 */ XK_bracketleft, XK_braceleft,
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/* 27 34 */ XK_bracketright, XK_braceright,
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/* 28 35 */ XK_Return, NoSymbol,
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/* 29 36 */ XK_Control_L, NoSymbol,
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/* 30 37 */ XK_A, NoSymbol,
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/* 31 38 */ XK_S, NoSymbol,
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/* 32 39 */ XK_D, NoSymbol,
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/* 33 40 */ XK_F, NoSymbol,
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/* 34 41 */ XK_G, NoSymbol,
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/* 35 42 */ XK_H, NoSymbol,
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/* 36 43 */ XK_J, NoSymbol,
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/* 37 44 */ XK_K, NoSymbol,
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/* 38 45 */ XK_L, NoSymbol,
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/* 39 46 */ XK_semicolon, XK_colon,
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/* 40 47 */ XK_apostrophe, XK_quotedbl,
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/* 41 48 */ XK_grave, XK_asciitilde,
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/* 42 49 */ XK_Shift_L, NoSymbol,
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/* 43 50 */ XK_backslash, XK_bar,
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/* 44 51 */ XK_Z, NoSymbol,
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/* 45 52 */ XK_X, NoSymbol,
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/* 46 53 */ XK_C, NoSymbol,
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/* 47 54 */ XK_V, NoSymbol,
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/* 48 55 */ XK_B, NoSymbol,
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/* 49 56 */ XK_N, NoSymbol,
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/* 50 57 */ XK_M, NoSymbol,
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/* 51 58 */ XK_comma, XK_less,
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/* 52 59 */ XK_period, XK_greater,
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/* 53 60 */ XK_slash, XK_question,
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/* 54 61 */ XK_Shift_R, NoSymbol,
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/* 55 62 */ XK_KP_Multiply, NoSymbol,
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/* 56 63 */ XK_Alt_L, XK_Meta_L,
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/* 57 64 */ XK_space, NoSymbol,
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/* 58 65 */ XK_Caps_Lock, NoSymbol,
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/* 59 66 */ XK_F1, NoSymbol,
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/* 60 67 */ XK_F2, NoSymbol,
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/* 61 68 */ XK_F3, NoSymbol,
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/* 62 69 */ XK_F4, NoSymbol,
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/* 63 70 */ XK_F5, NoSymbol,
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/* 64 71 */ XK_F6, NoSymbol,
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/* 65 72 */ XK_F7, NoSymbol,
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/* 66 73 */ XK_F8, NoSymbol,
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/* 67 74 */ XK_F9, NoSymbol,
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/* 68 75 */ XK_F10, NoSymbol,
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/* 69 76 */ XK_Break, XK_Pause,
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/* 70 77 */ XK_Scroll_Lock, NoSymbol,
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/* 71 78 */ XK_KP_Home, XK_KP_7,
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/* 72 79 */ XK_KP_Up, XK_KP_8,
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/* 73 80 */ XK_KP_Page_Up, XK_KP_9,
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/* 74 81 */ XK_KP_Subtract, NoSymbol,
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/* 75 82 */ XK_KP_Left, XK_KP_4,
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/* 76 83 */ XK_KP_5, NoSymbol,
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/* 77 84 */ XK_KP_Right, XK_KP_6,
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/* 78 85 */ XK_KP_Add, NoSymbol,
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/* 79 86 */ XK_KP_End, XK_KP_1,
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/* 80 87 */ XK_KP_Down, XK_KP_2,
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/* 81 88 */ XK_KP_Page_Down, XK_KP_3,
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/* 82 89 */ XK_KP_Insert, XK_KP_0,
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/* 83 90 */ XK_KP_Delete, XK_KP_Decimal,
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/* 84 91 */ NoSymbol, NoSymbol,
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/* 85 92 */ NoSymbol, NoSymbol,
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/* 86 93 */ NoSymbol, NoSymbol,
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/* 87 94 */ XK_F11, NoSymbol,
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/* 88 95 */ XK_F12, NoSymbol,
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/* These are remapped from the extended set (using ExtendMap) */
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/* 89 96 */ XK_Control_R, NoSymbol,
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/* 90 97 */ XK_KP_Enter, NoSymbol,
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/* 91 98 */ XK_KP_Divide, NoSymbol,
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/* 92 99 */ XK_Sys_Req, XK_Print,
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/* 93 100 */ XK_Alt_R, XK_Meta_R,
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/* 94 101 */ XK_Num_Lock, NoSymbol,
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/* 95 102 */ XK_Home, NoSymbol,
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/* 96 103 */ XK_Up, NoSymbol,
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/* 97 104 */ XK_Page_Up, NoSymbol,
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/* 98 105 */ XK_Left, NoSymbol,
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/* 99 106 */ XK_Right, NoSymbol,
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/* 100 107 */ XK_End, NoSymbol,
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/* 101 108 */ XK_Down, NoSymbol,
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/* 102 109 */ XK_Page_Down, NoSymbol,
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/* 103 110 */ XK_Insert, NoSymbol,
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/* 104 111 */ XK_Delete, NoSymbol,
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/* 105 112 */ XK_Super_L, NoSymbol,
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/* 106 113 */ XK_Super_R, NoSymbol,
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/* 107 114 */ XK_Menu, NoSymbol,
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/* 108 115 */ NoSymbol, NoSymbol,
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/* 109 116 */ NoSymbol, NoSymbol,
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/* 110 117 */ NoSymbol, NoSymbol,
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/* 111 118 */ NoSymbol, NoSymbol,
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/* 112 119 */ NoSymbol, NoSymbol,
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};
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static void
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EvdevRead1 (int evdevPort, void *closure)
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{
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int i, n, xk;
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struct input_event events[NUM_EVENTS];
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n = read (evdevPort, &events, NUM_EVENTS * sizeof (struct input_event));
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if (n <= 0)
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return;
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n /= sizeof (struct input_event);
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for (i = 0; i < n; i++)
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{
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switch (events[i].type) {
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case EV_SYN:
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break;
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case EV_KEY:
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xk = events[i].code;
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if (events[i].code < 0x100)
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ErrorF ("key %d %d xk %d\n", events[i].code, events[i].value, xk);
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else
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ErrorF ("key 0x%x %d xk %d\n", events[i].code, events[i].value, xk);
|
|
if (events[i].value == 2) {
|
|
//KdEnqueueKeyboardEvent (xk, 0);
|
|
KdEnqueueKeyboardEvent (xk, 0);
|
|
} else
|
|
KdEnqueueKeyboardEvent (xk, !events[i].value);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
char *kdefaultEvdev1[] = {
|
|
"/dev/input/event0",
|
|
// "/dev/input/event1",
|
|
// "/dev/input/event2",
|
|
// "/dev/input/event3",
|
|
// "/dev/input/event4",
|
|
// "/dev/input/event5",
|
|
};
|
|
|
|
#define NUM_DEFAULT_EVDEV1 (sizeof (kdefaultEvdev1) / sizeof (kdefaultEvdev1[0]))
|
|
|
|
static Bool
|
|
EvdevKbdInit (void)
|
|
{
|
|
int i;
|
|
int fd;
|
|
int n = 0;
|
|
char name[100];
|
|
|
|
if (!EvdevInputType)
|
|
EvdevInputType = KdAllocInputType ();
|
|
|
|
for (i = 0; i < NUM_DEFAULT_EVDEV; i++)
|
|
{
|
|
fd = open (kdefaultEvdev1[i], 2);
|
|
if (fd >= 0)
|
|
{
|
|
ioctl(fd, EVIOCGRAB, 1);
|
|
|
|
ioctl(fd, EVIOCGNAME(sizeof(name)), name);
|
|
ErrorF("Name is %s\n", name);
|
|
ioctl(fd, EVIOCGPHYS(sizeof(name)), name);
|
|
ErrorF("Phys Loc is %s\n", name);
|
|
ioctl(fd, EVIOCGUNIQ(sizeof(name)), name);
|
|
ErrorF("Unique is %s\n", name);
|
|
|
|
}
|
|
|
|
if (fd >= 0)
|
|
{
|
|
unsigned long ev[NBITS(EV_MAX)];
|
|
Kevdev *ke;
|
|
|
|
if (ioctl (fd, EVIOCGBIT(0 /*EV*/, sizeof (ev)), ev) < 0)
|
|
{
|
|
perror ("EVIOCGBIT 0");
|
|
close (fd);
|
|
continue;
|
|
}
|
|
ke = xalloc (sizeof (Kevdev));
|
|
if (!ke)
|
|
{
|
|
close (fd);
|
|
continue;
|
|
}
|
|
memset (ke, '\0', sizeof (Kevdev));
|
|
if (ISBITSET (ev, EV_KEY))
|
|
{
|
|
if (ioctl (fd, EVIOCGBIT (EV_KEY, sizeof (ke->keybits)),
|
|
ke->keybits) < 0)
|
|
{
|
|
perror ("EVIOCGBIT EV_KEY");
|
|
xfree (ke);
|
|
close (fd);
|
|
continue;
|
|
}
|
|
}
|
|
if (ISBITSET (ev, EV_REL))
|
|
{
|
|
if (ioctl (fd, EVIOCGBIT (EV_REL, sizeof (ke->relbits)),
|
|
ke->relbits) < 0)
|
|
{
|
|
perror ("EVIOCGBIT EV_REL");
|
|
xfree (ke);
|
|
close (fd);
|
|
continue;
|
|
}
|
|
for (ke->max_rel = REL_MAX; ke->max_rel >= 0; ke->max_rel--)
|
|
if (ISBITSET(ke->relbits, ke->max_rel))
|
|
break;
|
|
}
|
|
if (ISBITSET (ev, EV_ABS))
|
|
{
|
|
int i;
|
|
|
|
if (ioctl (fd, EVIOCGBIT (EV_ABS, sizeof (ke->absbits)),
|
|
ke->absbits) < 0)
|
|
{
|
|
perror ("EVIOCGBIT EV_ABS");
|
|
xfree (ke);
|
|
close (fd);
|
|
continue;
|
|
}
|
|
for (ke->max_abs = ABS_MAX; ke->max_abs >= 0; ke->max_abs--)
|
|
if (ISBITSET(ke->absbits, ke->max_abs))
|
|
break;
|
|
for (i = 0; i <= ke->max_abs; i++)
|
|
{
|
|
if (ISBITSET (ke->absbits, i))
|
|
if (ioctl (fd, EVIOCGABS(i), &ke->absinfo[i]) < 0)
|
|
{
|
|
perror ("EVIOCGABS");
|
|
break;
|
|
}
|
|
ke->prevabs[i] = ABS_UNSET;
|
|
}
|
|
if (i <= ke->max_abs)
|
|
{
|
|
xfree (ke);
|
|
close (fd);
|
|
continue;
|
|
}
|
|
}
|
|
if (KdRegisterFd (EvdevInputType, fd, EvdevRead1, NULL))
|
|
n++;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void EvdevKbdLoad(void)
|
|
{
|
|
kdMinScanCode = 1;
|
|
kdMaxScanCode = 112;
|
|
kdKeymapWidth = 2;
|
|
memcpy (kdKeymap, evdevKeymap, sizeof (evdevKeymap));
|
|
}
|
|
|
|
static void
|
|
EvdevKbdFini (void)
|
|
{
|
|
}
|
|
|
|
static void
|
|
EvdevKbdLeds (int leds)
|
|
{
|
|
}
|
|
|
|
|
|
static void EvdevKbdBell(int volume, int pitch, int duration)
|
|
{
|
|
}
|
|
|
|
|
|
KdKeyboardFuncs LinuxEvdevKeyboardFuncs = {
|
|
EvdevKbdLoad,
|
|
EvdevKbdInit,
|
|
EvdevKbdLeds,
|
|
EvdevKbdBell,
|
|
EvdevKbdFini,
|
|
0,
|
|
};
|