xenocara/xserver/hw/xgl/egl/evdev.c
2007-11-24 17:55:21 +00:00

647 lines
18 KiB
C

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