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xserver-multidpi/hw/xgl/egl/evdev.c
Eric Anholt b1b40ed6a8 Initial commit of XGL build infrastructure and XGL code changes for 
building within the xorg server tree. Requires additional, uncommitted
    dix changes to successfully build, and successful running is still yet
    to happen.
2005-12-28 10:31:46 +00:00

649 lines
18 KiB
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/*
* $Id$
*
* 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,
};
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