int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
memset(sw_bitmask, 0, sizeof(sw_bitmask));
if (ioctl(device->fd,
EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
return test_bit(sw, sw_bitmask) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
}
return AKEY_STATE_UNKNOWN;
}
void MImHwKeyboardTrackerPrivate::tryEvdevDevice(const char *device)
{
QFile *qfile = new QFile(this);
unsigned char evbits[BITS2BYTES(EV_MAX)];
int fd;
qfile->setFileName(device);
if (!qfile->open(QIODevice::ReadOnly | QIODevice::Unbuffered)) {
delete qfile;
return;
}
fd = qfile->handle();
if (fd == -1) {
delete qfile;
return;
}
if (ioctl(fd, EVIOCGBIT(0, EV_MAX), evbits) < 0) {
delete qfile;
return;
}
// Check that this input device has switches
if (!TEST_BIT(EV_SW, evbits)) {
delete qfile;
return;
}
unsigned char swbit[BITS2BYTES(EV_MAX)];
if (ioctl(fd, EVIOCGBIT(EV_SW, SW_CNT), swbit) < 0) {
delete qfile;
return;
}
// Check that there is a tablet mode switch here
if (!TEST_BIT(SW_TABLET_MODE, swbit)) {
delete qfile;
return;
}
// Found an appropriate device - start monitoring it
QSocketNotifier *sn = new QSocketNotifier(fd, QSocketNotifier::Read, qfile);
sn->setEnabled(true);
QObject::connect(sn, SIGNAL(activated(int)), this, SLOT(evdevEvent()));
evdevFile = qfile;
present = true;
// Initialise initial tablet mode state
unsigned long state[BITS2BYTES(SW_MAX)];
if (ioctl(fd, EVIOCGSW(SW_MAX), state) < 0)
return;
evdevTabletMode = TEST_BIT(SW_TABLET_MODE, state);
}
static PyObject *
ioctl_EVIOCG_bits(PyObject *self, PyObject *args)
{
int max, fd, evtype, ret;
ret = PyArg_ParseTuple(args, "ii", &fd, &evtype);
if (!ret) return NULL;
switch (evtype) {
case EV_LED:
max = LED_MAX; break;
case EV_SND:
max = SND_MAX; break;
case EV_KEY:
max = KEY_MAX; break;
case EV_SW:
max = SW_MAX; break;
default:
return NULL;
}
char bytes[(max+7)/8];
memset(bytes, 0, sizeof bytes);
switch (evtype) {
case EV_LED:
ret = ioctl(fd, EVIOCGLED(sizeof(bytes)), &bytes);
break;
case EV_SND:
ret = ioctl(fd, EVIOCGSND(sizeof(bytes)), &bytes);
break;
case EV_KEY:
ret = ioctl(fd, EVIOCGKEY(sizeof(bytes)), &bytes);
break;
case EV_SW:
ret = ioctl(fd, EVIOCGSW(sizeof(bytes)), &bytes);
break;
}
if (ret == -1)
return NULL;
PyObject* res = PyList_New(0);
for (int i=0; i<max; i++) {
if (test_bit(bytes, i)) {
PyList_Append(res, Py_BuildValue("i", i));
}
}
return res;
}
int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
if (sw >= 0 && sw <= SW_MAX) {
AutoMutex _l(mLock);
Device* device = getDeviceLocked(deviceId);
if (device && test_bit(sw, device->swBitmask)) {
uint8_t swState[sizeof_bit_array(SW_MAX + 1)];
memset(swState, 0, sizeof(swState));
if (ioctl(device->fd, EVIOCGSW(sizeof(swState)), swState) >= 0) {
return test_bit(sw, swState) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
}
}
}
return AKEY_STATE_UNKNOWN;
}
int main(void)
{
int ifd = openfd();
if (ifd < 0) {
ALOGE("could not find any tablet mode switch, exiting.");
return -1;
}
sleep(10); //wait some time or otherwise EventHub might not pick up our events correctly!?
int ufd = open("/dev/uinput", O_WRONLY | O_NDELAY);
if (ufd >= 0) {
struct uinput_user_dev ud;
memset(&ud, 0, sizeof(struct uinput_user_dev));
strcpy(ud.name, "Android Tablet Lid Switch");
write(ufd, &ud, sizeof(struct uinput_user_dev));
ioctl(ufd, UI_SET_EVBIT, EV_SW);
ioctl(ufd, UI_SET_SWBIT, SW_LID);
ioctl(ufd, UI_DEV_CREATE, 0);
} else {
ALOGE("could not open uinput device: %s", strerror(errno));
return -1;
}
// send initial switch state
unsigned long sw_state[NBITS(SW_TABLET_MODE+1)];
memset(sw_state, 0, sizeof(sw_state));
if (ioctl(ifd, EVIOCGSW(sizeof(sw_state)), sw_state) >= 0) {
send_switch(ufd, test_bit(SW_TABLET_MODE, sw_state) ? 1 : 0);
}
// read events and pass them on modified
while (1) {
struct input_event iev;
size_t res = read(ifd, &iev, sizeof(struct input_event));
if (res < sizeof(struct input_event)) {
ALOGW("insufficient input data(%d)? fd=%d", res, ifd);
continue;
}
//LOGV("type=%d scancode=%d value=%d from fd=%d", iev.type, iev.code, iev.value, ifd);
if (iev.type == EV_SW && iev.code == SW_TABLET_MODE) {
send_switch(ufd, iev.value);
}
}
return 0;
}
void KbSliderPlugin::readSliderStatus()
{
unsigned long bits[NBITS(KEY_MAX)] = {0};
if (ioctl(eventFd, EVIOCGSW(KEY_MAX), bits) > 0)
kbOpen = QVariant(test_bit(SW_KEYPAD_SLIDE, bits) == 0);
if (!kbPresent.isNull() && kbPresent == false) {
// But if the keyboard is not present, it cannot be open. Also stop
// watching the open/closed status.
kbOpen = QVariant();
unsubscribe(QSet<QString>() << KEY_KB_OPEN);
}
emit valueChanged(KEY_KB_OPEN, kbOpen);
emit subscribeFinished(KEY_KB_OPEN);
}
int button_check_switches(Button *b) {
uint8_t switches[SW_MAX/8+1] = {};
assert(b);
if (b->fd < 0)
return -EINVAL;
if (ioctl(b->fd, EVIOCGSW(sizeof(switches)), switches) < 0)
return -errno;
b->lid_closed = (switches[SW_LID/8] >> (SW_LID % 8)) & 1;
b->docked = (switches[SW_DOCK/8] >> (SW_DOCK % 8)) & 1;
if (b->lid_closed)
button_install_check_event_source(b);
return 0;
}
int EventHub::getSwitchState(int32_t deviceId, int sw) const
{
#ifdef EV_SW
AutoMutex _l(mLock);
device_t* device = getDevice(deviceId);
if (device == NULL) return -1;
if (sw >= 0 && sw <= SW_MAX) {
uint8_t sw_bitmask[(SW_MAX+7)/8];
memset(sw_bitmask, 0, sizeof(sw_bitmask));
if (ioctl(mFDs[id_to_index(device->id)].fd,
EVIOCGSW(sizeof(sw_bitmask)), sw_bitmask) >= 0) {
return test_bit(sw, sw_bitmask) ? 1 : 0;
}
}
#endif
return -1;
}
int main(int argc, char *argv[])
{
int opt, j, ret;
int fd;
int options = 0;
#define OPT_INFO 1
#define OPT_GRAB 2
#define OPT_LONG 4
#define OPT_INITIAL 0x08
#define OPT_QUIT 0x10
char *device;
struct pollfd pollfd = { .events = POLLIN, };
struct input_event evs[16];
/* parse program options */
while ((opt = getopt_long(argc, argv, optstring, long_opts, NULL)) != -1)
switch (opt) {
case 'V':
fprintf(stderr, "%s: %s\n", NAME, VERSION);
return 0;
case 'i':
options |= OPT_INFO;
break;
case '0':
if (options & OPT_INITIAL)
options |= OPT_QUIT;
options |= OPT_INITIAL;
break;
case 'g':
options |= OPT_GRAB;
break;
case 'l':
options |= OPT_LONG;
if (optarg) {
double dtime = strtod(optarg, NULL);
if (dtime > 0.001) {
tlong.tv_sec = lround(floor(dtime));
tlong.tv_usec = lround(dtime * 1e6) % 1000000;
}
}
break;
case 'm':
if (inputeventloadmap(optarg) < 0)
elog(1, errno, "load map from '%s'", optarg);
break;
default:
fprintf(stderr, "%s: option '%c' unrecognised\n", NAME, opt);
case '?':
fputs(help_msg, stderr);
exit(1);
}
device = argv[optind];
if (!device) {
fprintf(stderr, "No device given\n");
fputs(help_msg, stderr);
exit(1);
}
if (options & OPT_LONG) {
keytimes = malloc(sizeof(*keytimes) * KEY_CNT);
if (!keytimes)
elog(1, errno, "malloc keycache\n");
}
fd = open(device, O_RDONLY);
if (fd < 0)
elog(1, errno, "open %s\n", device);
/* show info when requested */
if (options & OPT_INFO) {
char name[64];
char phys[64];
struct input_id id;
if (ioctl(fd, EVIOCGID, &id) < 0)
elog(1, errno, "ioctl %s EVIOCGID\n", device);
if (ioctl(fd, EVIOCGNAME(sizeof(name)), name) < 0)
elog(1, errno, "ioctl %s EVIOCGNAME\n", device);
if (ioctl(fd, EVIOCGPHYS(sizeof(phys)), phys) < 0)
elog(1, errno, "ioctl %s EVIOCGPHYS\n", device);
printf("### %s\n", device);
printf("name: %s\n", name);
printf("phys: %s\n", phys);
printf("bus: %u\n", id.bustype);
printf("vendor: 0x%04x\n", id.vendor);
printf("product: 0x%04x\n", id.product);
printf("version: %u\n", id.version);
return 0;
}
if (options & OPT_GRAB) {
int value = 1;
if (ioctl(fd, EVIOCGRAB, &value) < 0)
elog(1, errno, "Grab %s failed\n", device);
}
if (argv[++optind]) {
/* fork child process */
int pp[2];
if (pipe(pp) < 0)
elog(1, errno, "pipe() failed\n");
ret = fork();
if (ret < 0)
elog(1, errno, "fork() failed\n");
else if (!ret) {
dup2(pp[0], STDIN_FILENO);
close(pp[0]);
close(pp[1]);
close(fd);
execvp(argv[optind], argv+optind);
elog(1, errno, "execvp %s ...", argv[optind]);
}
dup2(pp[1], STDOUT_FILENO);
close(pp[0]);
close(pp[1]);
}
if (options & OPT_INITIAL) {
char state[KEY_CNT/8+1];
int j;
if (ioctl(fd, EVIOCGKEY(sizeof(state)), state) < 0)
elog(1, errno, "ioctl %s EVIOCGKEY\n", device);
for (j = 0; j < KEY_CNT; ++j) {
if (state[j/8] & (1 << (j % 8)))
printf("i %s 1\n", inputeventtostr(EV_KEY, j));
}
if (ioctl(fd, EVIOCGSW(sizeof(state)), state) < 0)
elog(1, errno, "ioctl %s EVIOCGKEY\n", device);
for (j = 0; j < SW_CNT; ++j) {
if (state[j/8] & (1 << (j % 8)))
printf("i %s 1\n", inputeventtostr(EV_SW, j));
}
if (options & OPT_QUIT)
return 0;
fflush(stdout);
}
/* prepare main loop */
pollfd.fd = fd;
while (1) {
libt_flush();
ret = poll(&pollfd, 1, libt_get_waittime());
if (ret < 0)
elog(1, errno, "poll");
if (!ret)
continue;
ret = read(fd, evs, sizeof(evs));
if (ret < 0)
elog(1, errno, "read input");
for (j = 0; j < ret/sizeof(*evs); ++j) {
if ((options & OPT_LONG) && (evs[j].type == EV_KEY) &&
!evs[j].value && !libt_timeout_exist(keytimeout, (void *)(long)evs[j].code))
/* long press detection timeout has already passed */
continue;
if ((evs[j].type == EV_KEY) && keytimes && (evs[j].code < KEY_CNT)) {
/* do longpress detection */
if (evs[j].value == 1) {
keytimes[evs[j].code] = evs[j].time;
libt_add_timeout(dtlong, keytimeout, (void *)(long)evs[j].code);
} else if (!evs[j].value && libt_timeout_exist(keytimeout, (void *)(long)evs[j].code))
/* no long press detected yet */
libt_remove_timeout(keytimeout, (void *)(long)evs[j].code);
else
/* long press detected, or autorepeat */
continue;
}
printf("%lu.%06lu %s %i\n",
evs[j].time.tv_sec, evs[j].time.tv_usec,
inputeventtostr(evs[j].type, evs[j].code),
evs[j].value);
}
fflush(stdout);
}
return 0;
}
static int print_possible_events(int fd)
{
uint8_t *bits = NULL;
ssize_t bits_size = 0;
const char* label;
int i, j, k;
int res, res2;
printf(" events:\n");
for(i = 0; i <= EV_MAX; i++) {
int count = 0;
while(1) {
res = ioctl(fd, EVIOCGBIT(i, bits_size), bits);
if(res < bits_size)
break;
bits_size = res + 16;
bits = realloc(bits, bits_size * 2);
if(bits == NULL) {
fprintf(stderr, "failed to allocate buffer of size %d\n", bits_size);
return 1;
}
}
res2 = 0;
switch(i) {
case EV_SYN:
label = "SYN";
break;
case EV_KEY:
res2 = ioctl(fd, EVIOCGKEY(res), bits + bits_size);
label = "KEY";
break;
case EV_REL:
label = "REL";
break;
case EV_ABS:
label = "ABS";
break;
case EV_MSC:
label = "MSC";
break;
case EV_LED:
res2 = ioctl(fd, EVIOCGLED(res), bits + bits_size);
label = "LED";
break;
case EV_SND:
res2 = ioctl(fd, EVIOCGSND(res), bits + bits_size);
label = "SND";
break;
case EV_SW:
res2 = ioctl(fd, EVIOCGSW(bits_size), bits + bits_size);
label = "SW ";
break;
case EV_REP:
label = "REP";
break;
case EV_FF:
label = "FF ";
break;
case EV_PWR:
label = "PWR";
break;
default:
res2 = 0;
label = "???";
}
for(j = 0; j < res; j++) {
for(k = 0; k < 8; k++)
if(bits[j] & 1 << k) {
char down;
if(j < res2 && (bits[j + bits_size] & 1 << k))
down = '*';
else
down = ' ';
if(count == 0)
printf(" %s (%04x):", label, i);
else if((count & 0x7) == 0 || i == EV_ABS)
printf("\n ");
printf(" %04x%c", j * 8 + k, down);
if(i == EV_ABS) {
struct input_absinfo abs;
if(ioctl(fd, EVIOCGABS(j * 8 + k), &abs) == 0) {
printf(" value %d, min %d, max %d, fuzz %d flat %d", abs.value, abs.minimum, abs.maximum, abs.fuzz, abs.flat);
}
}
count++;
}
}
if(count)
printf("\n");
}
free(bits);
return 0;
}
int
main(void)
{
TEST_NULL_ARG(EVIOCGVERSION);
TEST_NULL_ARG(EVIOCGEFFECTS);
TEST_NULL_ARG(EVIOCGID);
TEST_NULL_ARG(EVIOCGKEYCODE);
TEST_NULL_ARG(EVIOCSKEYCODE);
TEST_NULL_ARG(EVIOCSFF);
# ifdef EVIOCGKEYCODE_V2
TEST_NULL_ARG(EVIOCGKEYCODE_V2);
# endif
# ifdef EVIOCSKEYCODE_V2
TEST_NULL_ARG(EVIOCSKEYCODE_V2);
# endif
# ifdef EVIOCGREP
TEST_NULL_ARG(EVIOCGREP);
# endif
# ifdef EVIOCSREP
TEST_NULL_ARG(EVIOCSREP);
# endif
# ifdef EVIOCSCLOCKID
TEST_NULL_ARG(EVIOCSCLOCKID);
# endif
TEST_NULL_ARG(EVIOCGNAME(0));
TEST_NULL_ARG(EVIOCGPHYS(0));
TEST_NULL_ARG(EVIOCGUNIQ(0));
TEST_NULL_ARG(EVIOCGKEY(0));
TEST_NULL_ARG(EVIOCGLED(0));
# ifdef EVIOCGMTSLOTS
TEST_NULL_ARG(EVIOCGMTSLOTS(0));
# endif
# ifdef EVIOCGPROP
TEST_NULL_ARG(EVIOCGPROP(0));
# endif
TEST_NULL_ARG(EVIOCGSND(0));
# ifdef EVIOCGSW
TEST_NULL_ARG(EVIOCGSW(0));
# endif
TEST_NULL_ARG(EVIOCGABS(ABS_X));
TEST_NULL_ARG(EVIOCSABS(ABS_X));
TEST_NULL_ARG(EVIOCGBIT(EV_SYN, 0));
TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
# ifdef EV_SW
TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
# endif
TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
" = -1 EBADF (%m)\n", EV_MAX);
ioctl(-1, EVIOCRMFF, lmagic);
printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
ioctl(-1, EVIOCGRAB, lmagic);
printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
# ifdef EVIOCREVOKE
ioctl(-1, EVIOCREVOKE, lmagic);
printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
# endif
const unsigned int size = get_page_size();
void *const page = tail_alloc(size);
fill_memory(page, size);
int *const val_int = tail_alloc(sizeof(*val_int));
*val_int = magic;
# ifdef EVIOCSCLOCKID
ioctl(-1, EVIOCSCLOCKID, val_int);
printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
# endif
int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
pair_int[0] = 0xdeadbeef;
pair_int[1] = 0xbadc0ded;
# ifdef EVIOSGREP
ioctl(-1, EVIOCSREP, pair_int);
printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
pair_int[0], pair_int[1]);
# endif
pair_int[1] = 1;
ioctl(-1, EVIOCSKEYCODE, pair_int);
printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
pair_int[0], "KEY_ESC");
# ifdef EVIOCSKEYCODE_V2
struct input_keymap_entry *const ike = tail_alloc(sizeof(*ike));
fill_memory(ike, sizeof(*ike));
ike->keycode = 2;
ioctl(-1, EVIOCSKEYCODE_V2, ike);
printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
", len=%" PRIu8 ", ", ike->flags, ike->len);
# if VERBOSE
printf("index=%" PRIu16 ", keycode=%s, scancode=[",
ike->index, "KEY_1");
unsigned int i;
for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
if (i > 0)
printf(", ");
printf("%" PRIx8, ike->scancode[i]);
}
printf("]");
# else
printf("...");
# endif
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# endif
struct ff_effect *const ffe = tail_alloc(sizeof(*ffe));
fill_memory(ffe, sizeof(*ffe));
ffe->type = FF_CONSTANT;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_CONSTANT");
# if VERBOSE
printf(", constant={level=%hd", ffe->u.constant.level);
print_envelope(&ffe->u.constant.envelope);
printf("}");
# else
printf("...");
# endif
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# if VERBOSE
ffe->type = FF_RAMP;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_RAMP");
printf(", ramp={start_level=%hd, end_level=%hd",
ffe->u.ramp.start_level, ffe->u.ramp.end_level);
print_envelope(&ffe->u.ramp.envelope);
errno = EBADF;
printf("}}) = -1 EBADF (%m)\n");
ffe->type = FF_PERIODIC;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_PERIODIC");
printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
", offset=%hd, phase=%hu",
ffe->u.periodic.waveform, ffe->u.periodic.period,
ffe->u.periodic.magnitude, ffe->u.periodic.offset,
ffe->u.periodic.phase);
print_envelope(&ffe->u.periodic.envelope);
printf(", custom_len=%u, custom_data=%p}",
ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
ffe->type = FF_RUMBLE;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_RUMBLE");
printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
ffe->type = 0xff;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "0xff /* FF_??? */");
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# endif
ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ, 0x45, 0x1, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)", lmagic);
puts("+++ exited with 0 +++");
return 0;
}
static struct orng_device_info *
read_devinfo(struct orng_device_info *devinfo, int with_scancodes, int fd)
{
int i;
char buf[1024];
__u32 sc;
__u16 j;
int res = 0;
__u32 nsc;
memset(devinfo, 0, sizeof(*devinfo));
/* device identifier */
if (ioctl(fd, EVIOCGID, &devinfo->id) < 0) {
fprintf(stderr, "ioctl(EVIOCGID): %s\n", strerror(errno));
goto err_ioctl;
}
/* event bits */
if (ioctl(fd, EVIOCGBIT(0, sizeof(devinfo->evbit)), devinfo->evbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(0)): %s\n", strerror(errno));
goto err_ioctl;
}
/* keys */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_KEY)) {
if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(devinfo->keybit)), devinfo->keybit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_KEY)): %s\n", strerror(errno));
goto err_ioctl;
}
/* key state */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_KEY)) {
if (ioctl(fd, EVIOCGKEY(sizeof(devinfo->key)), devinfo->key) < 0) {
fprintf(stderr, "ioctl(EVIOCGKEY(%zu)): %s\n",
sizeof(buf), strerror(errno));
goto err_ioctl;
}
}
/* read mapping between scan codes and key codes */
if (with_scancodes) {
nsc = 1ul<<((CHAR_BIT*sizeof(devinfo->keymap[0][0]))-1);
for (sc = 0, j = 0; sc < nsc; ++sc) {
int map[2] = {sc, 0};
int res = ioctl(fd, EVIOCGKEYCODE, map);
if (res < 0) {
if (errno != EINVAL) {
fprintf(stderr, "ioctl: %s\n", strerror(errno));
goto err_ioctl;
}
} else {
/* save mapping */
devinfo->keymap[j][0] = map[0]; /* scan code */
devinfo->keymap[j][1] = map[1]; /* key code */
++j;
if (j >= sizeof(devinfo->keymap)/sizeof(devinfo->keymap[0])) {
break;
}
}
}
}
}
/* relative positioning */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_REL)) {
if (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(devinfo->relbit)), devinfo->relbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_REL)): %s\n", strerror(errno));
goto err_ioctl;
}
}
/* absolute positioning */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_ABS)) {
if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(devinfo->absbit)), devinfo->absbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_ABS)): %s\n", strerror(errno));
goto err_ioctl;
}
/* limits */
for (i = 0; i <= ABS_MAX; ++i) {
if (TEST_ARRAY_BIT(devinfo->absbit, i)) {
if (ioctl(fd, EVIOCGABS(i), devinfo->absinfo+i) < 0) {
fprintf(stderr, "ioctl(EVIOCGABS(%d)): %s\n", i, strerror(errno));
goto err_ioctl;
}
}
}
}
/* misc */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_MSC)) {
if (ioctl(fd, EVIOCGBIT(EV_MSC, sizeof(devinfo->mscbit)), devinfo->mscbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_MSC)): %s\n", strerror(errno));
goto err_ioctl;
}
}
/* LEDs */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_LED)) {
if (ioctl(fd, EVIOCGBIT(EV_LED, sizeof(devinfo->ledbit)), devinfo->ledbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_LED)): %s\n", strerror(errno));
goto err_ioctl;
}
/* LED state */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_LED)) {
if (ioctl(fd, EVIOCGLED(sizeof(devinfo->led)), devinfo->led) < 0) {
fprintf(stderr, "ioctl(EVIOCGLED(%zu)): %s\n",
sizeof(buf), strerror(errno));
goto err_ioctl;
}
}
}
/* sound */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_SND)) {
if (ioctl(fd, EVIOCGBIT(EV_SND, sizeof(devinfo->sndbit)), devinfo->sndbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_SND)): %s\n", strerror(errno));
goto err_ioctl;
}
/* sound state */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_SW)) {
if (ioctl(fd, EVIOCGSND(sizeof(devinfo->snd)), devinfo->snd) < 0) {
fprintf(stderr, "ioctl(EVIOCGSND(%zu)): %s\n",
sizeof(buf), strerror(errno));
goto err_ioctl;
}
}
}
/* force feedback */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_FF)) {
if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(devinfo->ffbit)), devinfo->ffbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_FF)): %s\n", strerror(errno));
goto err_ioctl;
}
}
/* switches */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_SW)) {
if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(devinfo->swbit)), devinfo->swbit) < 0) {
fprintf(stderr, "ioctl(EVIOCGBIT(EV_SW)): %s\n", strerror(errno));
goto err_ioctl;
}
/* switch state */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_SW)) {
if (ioctl(fd, EVIOCGSW(sizeof(devinfo->sw)), devinfo->sw) < 0) {
fprintf(stderr, "ioctl(EVIOCGSW(%zu)): %s\n",
sizeof(buf), strerror(errno));
goto err_ioctl;
}
}
}
/* auto repeat */
if (TEST_ARRAY_BIT(devinfo->evbit, EV_REP)) {
if (ioctl(fd, EVIOCGREP, devinfo->rep) < 0) {
fprintf(stderr, "ioctl(EVIOCGREP): %s\n", strerror(errno));
goto err_ioctl;
}
}
/* name */
memset(buf, 0, sizeof(buf));
do {
res = ioctl(fd, EVIOCGNAME(sizeof(buf)), buf);
} while ((res < 0) && (errno == EINTR));
if (res >= 0) {
devinfo->name = strndup(buf, sizeof(buf)-1);
if (!devinfo->name) {
fprintf(stderr, "strdup: %s\n", strerror(errno));
goto err_strdup_name;
}
} else if (errno != ENOENT) {
fprintf(stderr, "ioctl(EVIOCGPHYS(%lu)): %s\n",
(unsigned long)sizeof(buf), strerror(errno));
goto err_ioctl;
}
/* physical location */
memset(buf, 0, sizeof(buf));
do {
res = ioctl(fd, EVIOCGPHYS(sizeof(buf)), buf);
} while ((res < 0) && (errno == EINTR));
if (res >= 0) {
devinfo->phys = strndup(buf, sizeof(buf)-1);
if (!devinfo->phys) {
fprintf(stderr, "strdup: %s\n", strerror(errno));
goto err_strdup_phys;
}
} else if (errno != ENOENT) {
fprintf(stderr, "ioctl(EVIOCGPHYS(%lu)): %s\n",
(unsigned long)sizeof(buf), strerror(errno));
goto err_ioctl;
}
/* unique identifier */
memset(buf, 0, sizeof(buf));
do {
res = ioctl(fd, EVIOCGUNIQ(sizeof(buf)), buf);
} while ((res < 0) && (errno == EINTR));
if (res >= 0) {
devinfo->uniq = strndup(buf, sizeof(buf)-1);
if (!devinfo->uniq) {
fprintf(stderr, "strdup: %s\n", strerror(errno));
goto err_strdup_uniq;
}
} else if (errno != ENOENT) {
fprintf(stderr, "ioctl(EVIOCGUNIQ(%lu)): %s\n",
(unsigned long)sizeof(buf), strerror(errno));
goto err_ioctl;
}
return devinfo;
err_strdup_uniq:
free(devinfo->phys);
err_strdup_phys:
err_ioctl_gphys:
free(devinfo->name);
err_strdup_name:
err_ioctl:
return NULL;
}
static int print_possible_events(int fd, int print_flags)
{
uint8_t *bits = NULL;
ssize_t bits_size = 0;
const char* label;
int i, j, k;
int res, res2;
struct label* bit_labels;
const char *bit_label;
printf(" events:\n");
for(i = EV_KEY; i <= EV_MAX; i++) { // skip EV_SYN since we cannot query its available codes
int count = 0;
while(1) {
res = ioctl(fd, EVIOCGBIT(i, bits_size), bits);
if(res < bits_size)
break;
bits_size = res + 16;
bits = realloc(bits, bits_size * 2);
if(bits == NULL)
err(1, "failed to allocate buffer of size %d\n", (int)bits_size);
}
res2 = 0;
switch(i) {
case EV_KEY:
res2 = ioctl(fd, EVIOCGKEY(res), bits + bits_size);
label = "KEY";
bit_labels = key_labels;
break;
case EV_REL:
label = "REL";
bit_labels = rel_labels;
break;
case EV_ABS:
label = "ABS";
bit_labels = abs_labels;
break;
case EV_MSC:
label = "MSC";
bit_labels = msc_labels;
break;
case EV_LED:
res2 = ioctl(fd, EVIOCGLED(res), bits + bits_size);
label = "LED";
bit_labels = led_labels;
break;
case EV_SND:
res2 = ioctl(fd, EVIOCGSND(res), bits + bits_size);
label = "SND";
bit_labels = snd_labels;
break;
case EV_SW:
res2 = ioctl(fd, EVIOCGSW(bits_size), bits + bits_size);
label = "SW ";
bit_labels = sw_labels;
break;
case EV_REP:
label = "REP";
bit_labels = rep_labels;
break;
case EV_FF:
label = "FF ";
bit_labels = ff_labels;
break;
case EV_PWR:
label = "PWR";
bit_labels = NULL;
break;
case EV_FF_STATUS:
label = "FFS";
bit_labels = ff_status_labels;
break;
default:
res2 = 0;
label = "???";
bit_labels = NULL;
}
for(j = 0; j < res; j++) {
for(k = 0; k < 8; k++)
if(bits[j] & 1 << k) {
char down;
if(j < res2 && (bits[j + bits_size] & 1 << k))
down = '*';
else
down = ' ';
if(count == 0)
printf(" %s (%04x):", label, i);
else if((count & (print_flags & PRINT_LABELS ? 0x3 : 0x7)) == 0 || i == EV_ABS)
printf("\n ");
if(bit_labels && (print_flags & PRINT_LABELS)) {
bit_label = get_label(bit_labels, j * 8 + k);
if(bit_label)
printf(" %.20s%c%*s", bit_label, down, (int) (20 - strlen(bit_label)), "");
else
printf(" %04x%c ", j * 8 + k, down);
} else {
printf(" %04x%c", j * 8 + k, down);
}
if(i == EV_ABS) {
struct input_absinfo abs;
if(ioctl(fd, EVIOCGABS(j * 8 + k), &abs) == 0) {
printf(" : value %d, min %d, max %d, fuzz %d, flat %d, resolution %d",
abs.value, abs.minimum, abs.maximum, abs.fuzz, abs.flat,
abs.resolution);
}
}
count++;
}
}
if(count)
printf("\n");
}
free(bits);
return 0;
}
int gpio_switch_eviocgsw(int fd, void *bits, size_t n_bytes)
{
return ioctl(fd, EVIOCGSW(n_bytes), bits);
}
static void input_sanitise(const struct ioctl_group *grp, int childno)
{
unsigned int u, r;
pick_random_ioctl(grp, childno);
switch (shm->syscall[childno].a2) {
case EVIOCGNAME(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGNAME(u);
break;
case EVIOCGPHYS(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGPHYS(u);
break;
case EVIOCGUNIQ(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGUNIQ(u);
break;
#ifdef EVIOCGPROP
case EVIOCGPROP(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGPROP(u);
break;
#endif
#ifdef EVIOCGMTSLOTS
case EVIOCGMTSLOTS(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGMTSLOTS(u);
break;
#endif
case EVIOCGKEY(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGKEY(u);
break;
case EVIOCGLED(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGLED(u);
break;
case EVIOCGSND(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGSND(u);
break;
case EVIOCGSW(0):
u = rand();
shm->syscall[childno].a2 = EVIOCGSW(u);
break;
case EVIOCGBIT(0,0):
u = rand();
r = rand();
if (u % 10) u %= EV_CNT;
if (r % 10) r /= 4;
shm->syscall[childno].a2 = EVIOCGBIT(u, r);
break;
case EVIOCGABS(0):
u = rand();
if (u % 10) u %= ABS_CNT;
shm->syscall[childno].a2 = EVIOCGABS(u);
break;
case EVIOCSABS(0):
u = rand();
if (u % 10) u %= ABS_CNT;
shm->syscall[childno].a2 = EVIOCSABS(u);
break;
default:
break;
}
}
#ifdef EVIOCSKEYCODE_V2
IOCTL(EVIOCSKEYCODE_V2),
#endif
IOCTL(EVIOCGNAME(0)),
IOCTL(EVIOCGPHYS(0)),
IOCTL(EVIOCGUNIQ(0)),
#ifdef EVIOCGPROP
IOCTL(EVIOCGPROP(0)),
#endif
#ifdef EVIOCGMTSLOTS
IOCTL(EVIOCGMTSLOTS(0)),
#endif
IOCTL(EVIOCGKEY(0)),
IOCTL(EVIOCGLED(0)),
IOCTL(EVIOCGSND(0)),
IOCTL(EVIOCGSW(0)),
IOCTL(EVIOCGBIT(0,0)),
IOCTL(EVIOCGABS(0)),
IOCTL(EVIOCSABS(0)),
IOCTL(EVIOCSFF),
IOCTL(EVIOCRMFF),
IOCTL(EVIOCGEFFECTS),
IOCTL(EVIOCGRAB),
#ifdef EVIOCSCLOCKID
IOCTL(EVIOCSCLOCKID),
#endif
};
static const char *const input_devs[] = {
"input",
};
/*
* It so happens that the pointer that gives us the trouble
* is the last field in the structure. Since we don't support
* custom waveforms in uinput anyway we can just copy the whole
* thing (to the compat size) and ignore the pointer.
*/
memcpy(&ff_up_compat.effect, &ff_up->effect,
sizeof(struct ff_effect_compat));
memcpy(&ff_up_compat.old, &ff_up->old,
sizeof(struct ff_effect_compat));
if (copy_to_user(buffer, &ff_up_compat,
sizeof(struct uinput_ff_upload_compat)))
return -EFAULT;
} else {
if (copy_to_user(buffer, ff_up,
sizeof(struct uinput_ff_upload)))
return -EFAULT;
}
return 0;
}
static int uinput_ff_upload_from_user(const char __user *buffer,
struct uinput_ff_upload *ff_up)
{
if (INPUT_COMPAT_TEST) {
struct uinput_ff_upload_compat ff_up_compat;
if (copy_from_user(&ff_up_compat, buffer,
sizeof(struct uinput_ff_upload_compat)))
return -EFAULT;
ff_up->request_id = ff_up_compat.request_id;
ff_up->retval = ff_up_compat.retval;
memcpy(&ff_up->effect, &ff_up_compat.effect,
sizeof(struct ff_effect_compat));
memcpy(&ff_up->old, &ff_up_compat.old,
sizeof(struct ff_effect_compat));
} else {
if (copy_from_user(ff_up, buffer,
sizeof(struct uinput_ff_upload)))
return -EFAULT;
}
return 0;
}
#else
static int uinput_ff_upload_to_user(char __user *buffer,
const struct uinput_ff_upload *ff_up)
{
if (copy_to_user(buffer, ff_up, sizeof(struct uinput_ff_upload)))
return -EFAULT;
return 0;
}
static int uinput_ff_upload_from_user(const char __user *buffer,
struct uinput_ff_upload *ff_up)
{
if (copy_from_user(ff_up, buffer, sizeof(struct uinput_ff_upload)))
return -EFAULT;
return 0;
}
#endif
#define uinput_set_bit(_arg, _bit, _max) \
({ \
int __ret = 0; \
if (udev->state == UIST_CREATED) \
__ret = -EINVAL; \
else if ((_arg) > (_max)) \
__ret = -EINVAL; \
else set_bit((_arg), udev->dev->_bit); \
__ret; \
})
#ifdef CONFIG_FEATURE_PANTECH_MDS_MTC //|| defined(FEATURE_PANTECH_STABILITY)
#ifdef CONFIG_COMPAT
#define BITS_PER_LONG_COMPAT (sizeof(compat_long_t) * 8)
#define BITS_TO_LONGS_COMPAT(x) ((((x) - 1) / BITS_PER_LONG_COMPAT) + 1)
#ifdef __BIG_ENDIAN
static int bits_to_user(unsigned long *bits, unsigned int maxbit,
unsigned int maxlen, void __user *p, int compat)
{
int len, i;
if (compat) {
len = BITS_TO_LONGS_COMPAT(maxbit) * sizeof(compat_long_t);
if (len > maxlen)
len = maxlen;
for (i = 0; i < len / sizeof(compat_long_t); i++)
if (copy_to_user((compat_long_t __user *) p + i,
(compat_long_t *) bits +
i + 1 - ((i % 2) << 1),
sizeof(compat_long_t)))
return -EFAULT;
} else {
len = BITS_TO_LONGS(maxbit) * sizeof(long);
if (len > maxlen)
len = maxlen;
if (copy_to_user(p, bits, len))
return -EFAULT;
}
return len;
}
#else
static int bits_to_user(unsigned long *bits, unsigned int maxbit,
unsigned int maxlen, void __user *p, int compat)
{
int len = compat ?
BITS_TO_LONGS_COMPAT(maxbit) * sizeof(compat_long_t) :
BITS_TO_LONGS(maxbit) * sizeof(long);
if (len > maxlen)
len = maxlen;
return copy_to_user(p, bits, len) ? -EFAULT : len;
}
#endif /* __BIG_ENDIAN */
#else
static int bits_to_user(unsigned long *bits, unsigned int maxbit,
unsigned int maxlen, void __user *p, int compat)
{
int len = BITS_TO_LONGS(maxbit) * sizeof(long);
if (len > maxlen)
len = maxlen;
return copy_to_user(p, bits, len) ? -EFAULT : len;
}
#endif /* CONFIG_COMPAT */
static int str_to_user(const char *str, unsigned int maxlen, void __user *p)
{
int len;
if (!str)
return -ENOENT;
len = strlen(str) + 1;
if (len > maxlen)
len = maxlen;
return copy_to_user(p, str, len) ? -EFAULT : len;
}
#define OLD_KEY_MAX 0x1ff
static int handle_eviocgbit(struct input_dev *dev, unsigned int cmd, void __user *p, int compat_mode)
{
unsigned long *bits;
int len;
switch (_IOC_NR(cmd) & EV_MAX) {
case 0: bits = dev->evbit; len = EV_MAX; break;
case EV_KEY: bits = dev->keybit; len = KEY_MAX; break;
case EV_REL: bits = dev->relbit; len = REL_MAX; break;
case EV_ABS: bits = dev->absbit; len = ABS_MAX; break;
case EV_MSC: bits = dev->mscbit; len = MSC_MAX; break;
case EV_LED: bits = dev->ledbit; len = LED_MAX; break;
case EV_SND: bits = dev->sndbit; len = SND_MAX; break;
case EV_FF: bits = dev->ffbit; len = FF_MAX; break;
case EV_SW: bits = dev->swbit; len = SW_MAX; break;
default: return -EINVAL;
}
if ((_IOC_NR(cmd) & EV_MAX) == EV_KEY && _IOC_SIZE(cmd) == OLD_KEY_MAX) {
len = OLD_KEY_MAX;
}
return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode);
}
#undef OLD_KEY_MAX
#endif/*CONFIG_FEATURE_PANTECH_MDS_MTC || FEATURE_PANTECH_STABILITY*/
static long uinput_ioctl_handler(struct file *file, unsigned int cmd,
unsigned long arg, void __user *p)
{
int retval;
struct uinput_device *udev = file->private_data;
struct uinput_ff_upload ff_up;
struct uinput_ff_erase ff_erase;
struct uinput_request *req;
char *phys;
retval = mutex_lock_interruptible(&udev->mutex);
if (retval)
return retval;
if (!udev->dev) {
retval = uinput_allocate_device(udev);
if (retval)
goto out;
}
switch (cmd) {
case UI_DEV_CREATE:
retval = uinput_create_device(udev);
break;
case UI_DEV_DESTROY:
uinput_destroy_device(udev);
break;
#ifdef CONFIG_FEATURE_PANTECH_MDS_MTC //|| defined(FEATURE_PANTECH_STABILITY)
case EVIOCGVERSION:
if (udev->state != UIST_CREATED)
retval = -ENODEV;
else put_user(EV_VERSION, (int __user *)p);
break;
case EVIOCGID:
if (udev->state != UIST_CREATED)
retval = -ENODEV;
else if (copy_to_user(p, &udev->dev->id, sizeof(struct input_id)))
retval = -EFAULT;
break;
#endif/*CONFIG_FEATURE_PANTECH_MDS_MTC || FEATURE_PANTECH_STABILITY*/
case UI_SET_EVBIT:
retval = uinput_set_bit(arg, evbit, EV_MAX);
break;
case UI_SET_KEYBIT:
retval = uinput_set_bit(arg, keybit, KEY_MAX);
break;
case UI_SET_RELBIT:
retval = uinput_set_bit(arg, relbit, REL_MAX);
break;
case UI_SET_ABSBIT:
retval = uinput_set_bit(arg, absbit, ABS_MAX);
break;
case UI_SET_MSCBIT:
retval = uinput_set_bit(arg, mscbit, MSC_MAX);
break;
case UI_SET_LEDBIT:
retval = uinput_set_bit(arg, ledbit, LED_MAX);
break;
case UI_SET_SNDBIT:
retval = uinput_set_bit(arg, sndbit, SND_MAX);
break;
case UI_SET_FFBIT:
retval = uinput_set_bit(arg, ffbit, FF_MAX);
break;
case UI_SET_SWBIT:
retval = uinput_set_bit(arg, swbit, SW_MAX);
break;
case UI_SET_PROPBIT:
retval = uinput_set_bit(arg, propbit, INPUT_PROP_MAX);
break;
case UI_SET_PHYS:
if (udev->state == UIST_CREATED) {
retval = -EINVAL;
goto out;
}
phys = strndup_user(p, 1024);
if (IS_ERR(phys)) {
retval = PTR_ERR(phys);
goto out;
}
kfree(udev->dev->phys);
udev->dev->phys = phys;
break;
case UI_BEGIN_FF_UPLOAD:
retval = uinput_ff_upload_from_user(p, &ff_up);
if (retval)
break;
req = uinput_request_find(udev, ff_up.request_id);
if (!req || req->code != UI_FF_UPLOAD || !req->u.upload.effect) {
retval = -EINVAL;
break;
}
ff_up.retval = 0;
ff_up.effect = *req->u.upload.effect;
if (req->u.upload.old)
ff_up.old = *req->u.upload.old;
else
memset(&ff_up.old, 0, sizeof(struct ff_effect));
retval = uinput_ff_upload_to_user(p, &ff_up);
break;
case UI_BEGIN_FF_ERASE:
if (copy_from_user(&ff_erase, p, sizeof(ff_erase))) {
retval = -EFAULT;
break;
}
req = uinput_request_find(udev, ff_erase.request_id);
if (!req || req->code != UI_FF_ERASE) {
retval = -EINVAL;
break;
}
ff_erase.retval = 0;
ff_erase.effect_id = req->u.effect_id;
if (copy_to_user(p, &ff_erase, sizeof(ff_erase))) {
retval = -EFAULT;
break;
}
break;
case UI_END_FF_UPLOAD:
retval = uinput_ff_upload_from_user(p, &ff_up);
if (retval)
break;
req = uinput_request_find(udev, ff_up.request_id);
if (!req || req->code != UI_FF_UPLOAD ||
!req->u.upload.effect) {
retval = -EINVAL;
break;
}
req->retval = ff_up.retval;
uinput_request_done(udev, req);
break;
case UI_END_FF_ERASE:
if (copy_from_user(&ff_erase, p, sizeof(ff_erase))) {
retval = -EFAULT;
break;
}
req = uinput_request_find(udev, ff_erase.request_id);
if (!req || req->code != UI_FF_ERASE) {
retval = -EINVAL;
break;
}
req->retval = ff_erase.retval;
uinput_request_done(udev, req);
break;
default:
#ifdef CONFIG_FEATURE_PANTECH_MDS_MTC // || defined(FEATURE_PANTECH_STABILITY)
{
if (udev->state != UIST_CREATED){
retval = -ENODEV;
break;
}
if (_IOC_DIR(cmd) == _IOC_READ) {
if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0)))
handle_eviocgbit(udev->dev, cmd, p, 0);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0)))
bits_to_user(udev->dev->key, KEY_MAX, _IOC_SIZE(cmd),
p, 0);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0)))
bits_to_user(udev->dev->led, LED_MAX, _IOC_SIZE(cmd),
p, 0);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0)))
bits_to_user(udev->dev->snd, SND_MAX, _IOC_SIZE(cmd),
p, 0);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0)))
bits_to_user(udev->dev->sw, SW_MAX, _IOC_SIZE(cmd),
p, 0);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0)))
str_to_user(udev->dev->name, _IOC_SIZE(cmd), p);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0)))
str_to_user(udev->dev->phys, _IOC_SIZE(cmd), p);
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0)))
str_to_user(udev->dev->uniq, _IOC_SIZE(cmd), p);
if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) {
int t;
struct input_absinfo abs;
t = _IOC_NR(cmd) & ABS_MAX;
abs.value = input_abs_get_val(udev->dev,t);
abs.minimum = input_abs_get_min(udev->dev,t);
abs.maximum = input_abs_get_max(udev->dev,t);
abs.fuzz = input_abs_get_fuzz(udev->dev,t);
abs.flat = input_abs_get_flat(udev->dev,t);
/*
abs.value = udev->dev->abs[t];
abs.minimum = udev->dev->absmin[t];
abs.maximum = udev->dev->absmax[t];
abs.fuzz = udev->dev->absfuzz[t];
abs.flat = udev->dev->absflat[t];
*/
if (copy_to_user(p, &abs, sizeof(struct input_absinfo)))
retval= -EFAULT;
}
}
}
#else
retval = -EINVAL;
#endif/*CONFIG_FEATURE_PANTECH_MDS_MTC || FEATURE_PANTECH_STABILITY*/
}
out:
mutex_unlock(&udev->mutex);
return retval;
}
I_SIMPLE_STRUCT_IN(EVIOCGID, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGREP, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGKEYCODE, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGKEYCODE_V2, 0, ioctl_insertion_parent_stateless),
I_SIMPLE_STRUCT_IN(EVIOCGEFFECTS, 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGABS(0), "EVIOCGABS", ABS_MAX, ioctl_insertion_parent_stateless),
/* we define these with len==32, but they apply to any len */
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGBIT(0, 32), "EVIOCGBIT", EV_MAX, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGNAME(32), "EVIOCGNAME", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGPHYS(32), "EVIOCGPHYS", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGUNIQ(32), "EVIOCGUNIQ", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGPROP(32), "EVIOCGPROP", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGKEY(32), "EVIOCGKEY", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGLED(32), "EVIOCGLED", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGSND(32), "EVIOCGSND", 0, ioctl_insertion_parent_stateless),
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGSW(32), "EVIOCGSW", 0, ioctl_insertion_parent_stateless),
/* this was introduced not too long ago */
#ifdef EVIOCGMTSLOTS
I_NAMED_SIMPLE_STRUCT_IN(EVIOCGMTSLOTS(32), "EVIOCGMTSLOTS", 0, ioctl_insertion_parent_stateless),
#endif
/* terminator */
{0, 0, 0, "", NULL, NULL, NULL, NULL, NULL}
};
const ioctl_type *
ioctl_type_get_by_id(unsigned long id)
{
ioctl_type *cur;
for (cur = ioctl_db; cur->name[0] != '\0'; ++cur)
int getevent_main(int argc, char *argv[])
{
int c;
int i;
int res;
int get_time = 0;
int print_device = 0;
char *newline = "\n";
uint16_t get_switch = 0;
struct input_event event;
int print_flags = 0;
int print_flags_set = 0;
int dont_block = -1;
int event_count = 0;
int sync_rate = 0;
int64_t last_sync_time = 0;
const char *device = NULL;
const char *device_path = "/dev/input";
opterr = 0;
do {
c = getopt(argc, argv, "tns:Sv::dpilqc:rh");
if (c == EOF)
break;
switch (c) {
case 't':
get_time = 1;
break;
case 'n':
newline = "";
break;
case 's':
get_switch = strtoul(optarg, NULL, 0);
if(dont_block == -1)
dont_block = 1;
break;
case 'S':
get_switch = ~0;
if(dont_block == -1)
dont_block = 1;
break;
case 'v':
if(optarg)
print_flags |= strtoul(optarg, NULL, 0);
else
print_flags |= PRINT_DEVICE | PRINT_DEVICE_NAME | PRINT_DEVICE_INFO | PRINT_VERSION;
print_flags_set = 1;
break;
case 'd':
print_flags |= PRINT_HID_DESCRIPTOR;
break;
case 'p':
print_flags |= PRINT_DEVICE_ERRORS | PRINT_DEVICE
| PRINT_DEVICE_NAME | PRINT_POSSIBLE_EVENTS | PRINT_INPUT_PROPS;
print_flags_set = 1;
if(dont_block == -1)
dont_block = 1;
break;
case 'i':
print_flags |= PRINT_ALL_INFO;
print_flags_set = 1;
if(dont_block == -1)
dont_block = 1;
break;
case 'l':
print_flags |= PRINT_LABELS;
break;
case 'q':
print_flags_set = 1;
break;
case 'c':
event_count = atoi(optarg);
dont_block = 0;
break;
case 'r':
sync_rate = 1;
break;
case '?':
fprintf(stderr, "%s: invalid option -%c\n",
argv[0], optopt);
case 'h':
usage(argv[0]);
exit(1);
}
} while (1);
if(dont_block == -1)
dont_block = 0;
if (optind + 1 == argc) {
device = argv[optind];
optind++;
}
if (optind != argc) {
usage(argv[0]);
exit(1);
}
nfds = 1;
ufds = calloc(1, sizeof(ufds[0]));
ufds[0].fd = inotify_init();
ufds[0].events = POLLIN;
if(device) {
if(!print_flags_set)
print_flags |= PRINT_DEVICE_ERRORS;
res = open_device(device, print_flags);
if(res < 0) {
return 1;
}
} else {
if(!print_flags_set)
print_flags |= PRINT_DEVICE_ERRORS | PRINT_DEVICE | PRINT_DEVICE_NAME;
print_device = 1;
res = inotify_add_watch(ufds[0].fd, device_path, IN_DELETE | IN_CREATE);
if(res < 0) {
fprintf(stderr, "could not add watch for %s, %s\n", device_path, strerror(errno));
return 1;
}
res = scan_dir(device_path, print_flags);
if(res < 0) {
fprintf(stderr, "scan dir failed for %s\n", device_path);
return 1;
}
}
if(get_switch) {
for(i = 1; i < nfds; i++) {
uint16_t sw;
res = ioctl(ufds[i].fd, EVIOCGSW(1), &sw);
if(res < 0) {
fprintf(stderr, "could not get switch state, %s\n", strerror(errno));
return 1;
}
sw &= get_switch;
printf("%04x%s", sw, newline);
}
}
if(dont_block)
return 0;
while(1) {
//int pollres =
poll(ufds, nfds, -1);
//printf("poll %d, returned %d\n", nfds, pollres);
if(ufds[0].revents & POLLIN) {
read_notify(device_path, ufds[0].fd, print_flags);
}
for(i = 1; i < nfds; i++) {
if(ufds[i].revents) {
if(ufds[i].revents & POLLIN) {
res = read(ufds[i].fd, &event, sizeof(event));
if(res < (int)sizeof(event)) {
fprintf(stderr, "could not get event\n");
return 1;
}
if(get_time) {
printf("[%8ld.%06ld] ", event.time.tv_sec, event.time.tv_usec);
}
if(print_device)
printf("%s: ", device_names[i]);
print_event(event.type, event.code, event.value, print_flags);
if(sync_rate && event.type == 0 && event.code == 0) {
int64_t now = event.time.tv_sec * 1000000LL + event.time.tv_usec;
if(last_sync_time)
printf(" rate %lld", 1000000LL / (now - last_sync_time));
last_sync_time = now;
}
printf("%s", newline);
if(event_count && --event_count == 0)
return 0;
}
}
}
}
return 0;
}
static int
evdev_read_ioctl(struct tcb *const tcp, const unsigned int code,
const kernel_ulong_t arg)
{
/* fixed-number fixed-length commands */
switch (code) {
case EVIOCGVERSION:
tprints(", ");
printnum_int(tcp, arg, "%#x");
return 1;
case EVIOCGEFFECTS:
tprints(", ");
printnum_int(tcp, arg, "%u");
return 1;
case EVIOCGID:
return getid_ioctl(tcp, arg);
# ifdef EVIOCGREP
case EVIOCGREP:
return repeat_ioctl(tcp, arg);
# endif
case EVIOCGKEYCODE:
return keycode_ioctl(tcp, arg);
# ifdef EVIOCGKEYCODE_V2
case EVIOCGKEYCODE_V2:
return keycode_V2_ioctl(tcp, arg);
# endif
}
/* fixed-number variable-length commands */
switch (_IOC_NR(code)) {
# ifdef EVIOCGMTSLOTS
case _IOC_NR(EVIOCGMTSLOTS(0)):
return mtslots_ioctl(tcp, code, arg);
# endif
case _IOC_NR(EVIOCGNAME(0)):
case _IOC_NR(EVIOCGPHYS(0)):
case _IOC_NR(EVIOCGUNIQ(0)):
tprints(", ");
if (syserror(tcp))
printaddr(arg);
else
printstrn(tcp, arg, tcp->u_rval);
return 1;
# ifdef EVIOCGPROP
case _IOC_NR(EVIOCGPROP(0)):
return decode_bitset(tcp, arg, evdev_prop,
INPUT_PROP_MAX, "PROP_???");
# endif
case _IOC_NR(EVIOCGSND(0)):
return decode_bitset(tcp, arg, evdev_snd,
SND_MAX, "SND_???");
# ifdef EVIOCGSW
case _IOC_NR(EVIOCGSW(0)):
return decode_bitset(tcp, arg, evdev_switch,
SW_MAX, "SW_???");
# endif
case _IOC_NR(EVIOCGKEY(0)):
return decode_bitset(tcp, arg, evdev_keycode,
KEY_MAX, "KEY_???");
case _IOC_NR(EVIOCGLED(0)):
return decode_bitset(tcp, arg, evdev_leds,
LED_MAX, "LED_???");
}
/* multi-number fixed-length commands */
if ((_IOC_NR(code) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0)))
return abs_ioctl(tcp, arg);
/* multi-number variable-length commands */
if ((_IOC_NR(code) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0)))
return bit_ioctl(tcp, _IOC_NR(code) & EV_MAX, arg);
return 0;
}