/* Scan the hardware keyboard and push any changes up through the input layer */
static void tosakbd_scankeyboard(struct platform_device *dev)
{
struct tosakbd *tosakbd = platform_get_drvdata(dev);
unsigned int row, col, rowd;
unsigned long flags;
unsigned int num_pressed = 0;
spin_lock_irqsave(&tosakbd->lock, flags);
if (tosakbd->suspended)
goto out;
for (col = 0; col < TOSA_KEY_STROBE_NUM; col++) {
/*
* Discharge the output driver capacitatance
* in the keyboard matrix. (Yes it is significant..)
*/
tosakbd_discharge_all();
udelay(KB_DISCHARGE_DELAY);
tosakbd_activate_col(col);
udelay(KB_ACTIVATE_DELAY);
rowd = GET_ROWS_STATUS(col);
for (row = 0; row < TOSA_KEY_SENSE_NUM; row++) {
unsigned int scancode, pressed;
scancode = SCANCODE(row, col);
pressed = rowd & KB_ROWMASK(row);
if (pressed && !tosakbd->keycode[scancode])
dev_warn(&dev->dev,
"unhandled scancode: 0x%02x\n",
scancode);
input_report_key(tosakbd->input,
tosakbd->keycode[scancode],
pressed);
if (pressed)
num_pressed++;
}
tosakbd_reset_col(col);
}
tosakbd_activate_all();
input_sync(tosakbd->input);
/* if any keys are pressed, enable the timer */
if (num_pressed)
mod_timer(&tosakbd->timer, jiffies + SCAN_INTERVAL);
out:
spin_unlock_irqrestore(&tosakbd->lock, flags);
}
/* Scan the hardware keyboard and push any changes up through the input layer */
static void corgikbd_scankeyboard(struct corgikbd *corgikbd_data)
{
unsigned int row, col, rowd;
unsigned long flags;
unsigned int num_pressed;
if (corgikbd_data->suspended)
return;
spin_lock_irqsave(&corgikbd_data->lock, flags);
num_pressed = 0;
for (col = 0; col < KB_COLS; col++) {
/*
* Discharge the output driver capacitatance
* in the keyboard matrix. (Yes it is significant..)
*/
corgikbd_discharge_all();
udelay(KB_DISCHARGE_DELAY);
corgikbd_activate_col(col);
udelay(KB_ACTIVATE_DELAY);
rowd = GET_ROWS_STATUS(col);
for (row = 0; row < KB_ROWS; row++) {
unsigned int scancode, pressed;
scancode = SCANCODE(row, col);
pressed = rowd & KB_ROWMASK(row);
input_report_key(corgikbd_data->input, corgikbd_data->keycode[scancode], pressed);
if (pressed)
num_pressed++;
if (pressed && (corgikbd_data->keycode[scancode] == CORGI_KEY_OFF)
&& time_after(jiffies, corgikbd_data->suspend_jiffies + HZ)) {
input_event(corgikbd_data->input, EV_PWR, CORGI_KEY_OFF, 1);
corgikbd_data->suspend_jiffies=jiffies;
}
}
corgikbd_reset_col(col);
}
corgikbd_activate_all();
input_sync(corgikbd_data->input);
/* if any keys are pressed, enable the timer */
if (num_pressed)
mod_timer(&corgikbd_data->timer, jiffies + msecs_to_jiffies(SCAN_INTERVAL));
spin_unlock_irqrestore(&corgikbd_data->lock, flags);
}
/****************************************************************************
*
* This function creates the Keymap Array with scan code RC pointing to KeyCode
*
***************************************************************************/
static int CreateKeyMap( struct CBLK *bcm_kp, struct BCM_GPIO_KEYMAP *keymap_p )
{
int r,k, c=0;
for(k=0;k<bcm_kp->key_count; k++)
{
r = elementExistInArray( keymap_p->gpio_row, bcm_kp->row_count, bcm_kp->keyRowArray );
c = elementExistInArray( keymap_p->gpio_col, bcm_kp->col_count, bcm_kp->keyColArray );
bcm_kp->keycode[SCANCODE(r,c)] = keymap_p->key_code;
BCMKP_DBG(KERN_NOTICE "setting keymap r= %d, c=%d, code=%d\n", r,c,keymap_p->key_code);
set_bit(keymap_p->key_code ,bcm_kp->input_dev->keybit);
keymap_p++;
}
return(1);
}
/****************************************************************************f
*
* Scan the matrix, and generate event for changes.
*
***************************************************************************/
static void keypad_scan( int gpio_pin, struct CBLK *bcm_kp )
{
unsigned int stat;
int r, gpio_c, value;
int c = 0;
r = elementExistInArray( gpio_pin, bcm_kp->row_count , bcm_kp->keyRowArray );
stat = gpio_get_value(gpio_pin);
if(stat)
{
/* At this point we know that the some key was released. So no point in scanning the
Matrix. Just report the last pressed key on same GPIO as released. */
/* Handle if its a Direct key release*/
if(( bcm_kp->direct_key_col_index != -1 ) && ( bcm_kp->keycode[SCANCODE(r,bcm_kp->direct_key_col_index)] ))
{
input_report_key(bcm_kp->input_dev, bcm_kp->keycode[SCANCODE(r,bcm_kp->direct_key_col_index)], !stat);
input_sync( bcm_kp->input_dev );
}
/* Handle Matrix Key Release */
else
{
for(c=0;c< bcm_kp->col_count;c++)
{
if( test_bit( SCANCODE(r,c), bcm_kp->prevDown ) )
{
input_report_key(bcm_kp->input_dev, bcm_kp->keycode[SCANCODE(r,c)], !stat);
input_sync( bcm_kp->input_dev );
change_bit( SCANCODE(r,c), bcm_kp->prevDown );
BCMKP_DBG(KERN_DEBUG "Key released r=%d c=%d..\n", r, c);
}
}
}
}
else {
/* The Key is presses, so scan the Matrix */
//Now we have the GPIO row that cause the interrupt
if(( bcm_kp->direct_key_col_index != -1 ) && ( bcm_kp->keycode[SCANCODE(r,bcm_kp->direct_key_col_index)] ))
{
/* The Key is a Direct Key */
input_report_key(bcm_kp->input_dev, bcm_kp->keycode[SCANCODE(r,bcm_kp->direct_key_col_index)], !stat);
BCMKP_DBG(KERN_DEBUG "GPIO %d row press found Direct Key..\n", gpio_pin);
}
else{
//Now set all Col as High
for(c=0;c< bcm_kp->col_count;c++)
{
gpio_c = bcm_kp->keyColArray[c];
if( gpio_c != BCM_NO_COLUMN )
gpio_set_value( gpio_c, 1 );
}
for(c=0;c< bcm_kp->col_count;c++)
{
gpio_c = bcm_kp->keyColArray[c];
if( gpio_c == BCM_NO_COLUMN )
continue;
gpio_set_value( gpio_c, 0 );
value = gpio_get_value(gpio_pin);
gpio_set_value( gpio_c, 1 );
if( !value ) //Found the Key
{
if( bcm_kp->keycode[SCANCODE(r,c)] && !test_bit( SCANCODE(r,c), bcm_kp->prevDown ) )
{
/* report status to input-subsystem */
input_report_key(bcm_kp->input_dev, bcm_kp->keycode[SCANCODE(r,c)], !value);
input_sync( bcm_kp->input_dev );
change_bit( SCANCODE(r,c), bcm_kp->prevDown );
BCMKP_DBG(KERN_DEBUG "Key Pressed r=%d c=%d..\n", r, c);
break;
}
}
}
//Now restore all the Col as Low for next interrupt
for(c=0;c< bcm_kp->col_count;c++)
{
gpio_c = bcm_kp->keyColArray[c];
if( gpio_c != BCM_NO_COLUMN )
gpio_set_value( gpio_c, 0 );
}
}
}
return;
}
/* Scan the hardware keyboard and push any changes up through the input layer */
static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
{
unsigned int row, col, rowd;
unsigned long flags;
unsigned int num_pressed;
unsigned long membase = locomokbd->base;
spin_lock_irqsave(&locomokbd->lock, flags);
locomokbd_charge_all(membase);
num_pressed = 0;
for (col = 0; col < KB_COLS; col++) {
locomokbd_activate_col(membase, col);
udelay(KB_DELAY);
rowd = ~locomo_readl(membase + LOCOMO_KIB);
for (row = 0; row < KB_ROWS; row++) {
unsigned int scancode, pressed, key;
scancode = SCANCODE(col, row);
pressed = rowd & KB_ROWMASK(row);
key = locomokbd->keycode[scancode];
input_report_key(locomokbd->input, key, pressed);
if (likely(!pressed))
continue;
num_pressed++;
/* The "Cancel/ESC" key is labeled "On/Off" on
* Collie and Poodle and should suspend the device
* if it was pressed for more than a second. */
if (unlikely(key == KEY_ESC)) {
if (!time_after(jiffies,
locomokbd->suspend_jiffies + HZ))
continue;
if (locomokbd->count_cancel++
!= (HZ/SCAN_INTERVAL + 1))
continue;
input_event(locomokbd->input, EV_PWR,
KEY_SUSPEND, 1);
locomokbd->suspend_jiffies = jiffies;
} else
locomokbd->count_cancel = 0;
}
locomokbd_reset_col(membase, col);
}
locomokbd_activate_all(membase);
input_sync(locomokbd->input);
/* if any keys are pressed, enable the timer */
if (num_pressed)
mod_timer(&locomokbd->timer, jiffies + SCAN_INTERVAL);
else
locomokbd->count_cancel = 0;
spin_unlock_irqrestore(&locomokbd->lock, flags);
}
namespace KKeyServer
{
struct TransKey {
int qt_code;
int mac_code;
};
static TransKey qtKeyToChar[] = {
{Qt::Key_Escape, kEscapeCharCode},
{Qt::Key_Tab, kTabCharCode},
{Qt::Key_Backtab, kTabCharCode}, // Backtab == tab with different modifiers
{Qt::Key_Backspace, kBackspaceCharCode},
{Qt::Key_Return, kReturnCharCode},
{Qt::Key_Enter, kEnterCharCode},
// Insert
{Qt::Key_Delete, kDeleteCharCode},
// Pause, Print, SysReq
{Qt::Key_Clear, kClearCharCode},
{Qt::Key_Home, kHomeCharCode},
{Qt::Key_End, kEndCharCode},
{Qt::Key_Left, kLeftArrowCharCode},
{Qt::Key_Up, kUpArrowCharCode},
{Qt::Key_Right, kRightArrowCharCode},
{Qt::Key_Down, kDownArrowCharCode},
{Qt::Key_PageUp, kPageUpCharCode},
{Qt::Key_PageDown, kPageDownCharCode},
// Shift, Control, Meta, Alt, CapsLock, NumLock, ScrollLock
// Super_L, Super_R, Menu, Hyper_L, Hyper_R
{Qt::Key_Help, kHelpCharCode},
// Direction_L, Direction_R
{Qt::Key_nobreakspace, kNonBreakingSpaceCharCode},
{0, 0}
};
static QMultiMap<int, uint> scancodes;
static long lastLayoutID = -1;
#ifdef QT_MAC_USE_COCOA
static TISInputSourceRef lastLayout = 0;
#else
static KeyboardLayoutRef lastLayout = NULL;
#endif
void updateScancodes()
{
#ifdef QT_MAC_USE_COCOA
TISInputSourceRef layout = TISCopyCurrentKeyboardLayoutInputSource();
if (!layout) {
qWarning() << "Error retrieving current layout";
return;
}
if (layout == lastLayout) {
CFRelease(layout);
} else {
// keyboard layout changed
#ifndef NDEBUG
const void *name = TISGetInputSourceProperty(layout, kTISPropertyLocalizedName);
qDebug() << "Layout changed to: " << CFStringGetCStringPtr((CFStringRef)name, 0);
#endif
lastLayout = layout;
scancodes.clear();
CFDataRef data = static_cast<CFDataRef>(TISGetInputSourceProperty(layout,
kTISPropertyUnicodeKeyLayoutData));
const UCKeyboardLayout *ucData = data ? reinterpret_cast<const UCKeyboardLayout *>(CFDataGetBytePtr(data)) : 0;
if (!ucData) {
qWarning() << "Error retrieving current layout character data";
return;
}
for (int i = 0; i < 128; ++i) {
UInt32 tmpState = 0;
UniChar str[4];
UniCharCount actualLength = 0;
OSStatus err = UCKeyTranslate(ucData, i, kUCKeyActionDown, 0, LMGetKbdType(),
kUCKeyTranslateNoDeadKeysMask, &tmpState, 4, &actualLength, str);
if (err != noErr) {
qWarning() << "Error translating unicode key" << err;
} else {
if (str[0] && str[0] != kFunctionKeyCharCode) {
scancodes.insert(str[0], i);
}
}
}
}
#else
KeyboardLayoutRef layout;
if (KLGetCurrentKeyboardLayout(&layout) != noErr) {
qWarning() << "Error retrieving current layout";
}
if (layout != lastLayout) {
#ifndef NDEBUG
void *name;
KLGetKeyboardLayoutProperty(layout, kKLName, const_cast<const void **>(&name));
qDebug() << "Layout changed to: " << CFStringGetCStringPtr((CFStringRef) name, 0);
#endif
lastLayout = layout;
scancodes.clear();
void *kchr;
if (KLGetKeyboardLayoutProperty(layout, kKLKCHRData, const_cast<const void **>(&kchr)) != noErr) {
qWarning() << "Couldn't load active keyboard layout";
} else {
for (int i = 0; i < 128; i++) {
UInt32 tmpState = 0;
UInt32 chr = KeyTranslate(kchr, i, &tmpState);
if (chr && chr != kFunctionKeyCharCode) {
scancodes.insert(chr, i);
}
}
}
}
#endif
}
#define SCANCODE(name, value) { Qt::Key_ ## name, value }
static TransKey functionKeys[] = {
SCANCODE(F1, 122),
SCANCODE(F2, 120),
SCANCODE(F3, 99),
SCANCODE(F4, 118),
SCANCODE(F5, 96),
SCANCODE(F6, 97),
SCANCODE(F7, 98),
SCANCODE(F8, 100),
SCANCODE(F9, 101),
SCANCODE(F10, 109),
//TODO: figure out scancodes of other F* keys
{ 0, 0 }
};
#undef SCANCODE
bool keyQtToSymMac(int keyQt, int &sym)
{
// Printable ascii values, before A
if (keyQt >= 0x20 && keyQt < Qt::Key_A) {
sym = keyQt;
return true;
}
// Letters, return lower-case equivalent
if (keyQt >= Qt::Key_A && keyQt <= Qt::Key_Z) {
sym = keyQt - Qt::Key_A + 'a';
return true;
}
// Printable ascii values up to lower-case a
if (keyQt > Qt::Key_Z && keyQt <= 0x60) {
sym = keyQt;
return true;
}
// Remainder of printable ascii values
if (keyQt >= 0x7B && keyQt < 0x7F) {
sym = keyQt;
return true;
}
// Function keys
if (keyQt >= Qt::Key_F1 && keyQt <= Qt::Key_F35) {
sym = kFunctionKeyCharCode;
return true;
}
// Try to find in lookup table
for (int i = 0; qtKeyToChar[i].qt_code; i++) {
if (qtKeyToChar[i].qt_code == keyQt) {
sym = qtKeyToChar[i].mac_code;
return true;
}
}
// Not found
return false;
}
bool keyQtToCodeMac(int keyQt, QList<uint> &keyCodes)
{
updateScancodes();
keyCodes.clear();
keyQt &= ~Qt::KeyboardModifierMask;
int chr;
if (!keyQtToSymMac(keyQt, chr)) {
return false;
}
if (chr == kFunctionKeyCharCode) {
for (int i = 0; functionKeys[i].qt_code; i++) {
if (functionKeys[i].qt_code == keyQt) {
keyCodes.append(functionKeys[i].mac_code);
}
}
} else {
keyCodes += scancodes.values(chr);
}
return keyCodes.count() > 0;
}
bool keyQtToModMac(int keyQt, uint &mod)
{
mod = 0;
if (keyQt & Qt::ShiftModifier) {
mod |= shiftKey;
}
if (keyQt & Qt::ControlModifier) {
mod |= cmdKey;
}
if (keyQt & Qt::AltModifier) {
mod |= optionKey;
}
if (keyQt & Qt::MetaModifier) {
mod |= controlKey;
}
if (keyQt & Qt::KeypadModifier) {
mod |= kEventKeyModifierNumLockMask;
}
// Special case for Qt::Key_Backtab
if ((keyQt & ~Qt::KeyboardModifierMask) == Qt::Key_Backtab) {
mod |= shiftKey;
}
return true;
}
} // end of namespace KKeyServer