static void
aw_ir_intr(void *arg)
{
struct aw_ir_softc *sc;
uint32_t val;
int i, dcnt;
unsigned long ir_code;
int stat;
sc = (struct aw_ir_softc *)arg;
/* Read RX interrupt status */
val = READ(sc, AW_IR_RXSTA);
/* Clean all pending interrupt statuses */
WRITE(sc, AW_IR_RXSTA, val | AW_IR_RXSTA_CLEARALL);
/* When Rx FIFO Data available or Packet end */
if (val & (AW_IR_RXINT_RAI_EN | AW_IR_RXINT_RPEI_EN)) {
/* Get available message count in RX FIFO */
dcnt = AW_IR_RXSTA_COUNTER(val);
/* Read FIFO */
for (i = 0; i < dcnt; i++) {
if (aw_ir_buf_full(sc)) {
if (bootverbose)
device_printf(sc->dev,
"raw buffer full\n");
break;
} else
aw_ir_buf_write(sc, aw_ir_read_data(sc));
}
}
if (val & AW_IR_RXINT_RPEI_EN) {
/* RX Packet end */
if (bootverbose)
device_printf(sc->dev, "RX Packet end\n");
ir_code = aw_ir_decode_packets(sc);
stat = aw_ir_validate_code(ir_code);
if (stat == 0) {
evdev_push_event(sc->sc_evdev,
EV_MSC, MSC_SCAN, ir_code);
evdev_sync(sc->sc_evdev);
}
if (bootverbose) {
device_printf(sc->dev, "Final IR code: %lx\n",
ir_code);
device_printf(sc->dev, "IR code status: %d\n",
stat);
}
sc->dcnt = 0;
}
if (val & AW_IR_RXINT_ROI_EN) {
/* RX FIFO overflow */
if (bootverbose)
device_printf(sc->dev, "RX FIFO overflow\n");
/* Flush raw buffer */
aw_ir_buf_reset(sc);
}
}
/* read char from the keyboard */
static u_int
atkbd_read_char(keyboard_t *kbd, int wait)
{
atkbd_state_t *state;
u_int action;
int scancode;
int keycode;
state = (atkbd_state_t *)kbd->kb_data;
next_code:
/* do we have a composed char to return? */
if (!(state->ks_flags & COMPOSE) && (state->ks_composed_char > 0)) {
action = state->ks_composed_char;
state->ks_composed_char = 0;
if (action > UCHAR_MAX)
return ERRKEY;
return action;
}
/* see if there is something in the keyboard port */
if (wait) {
do {
scancode = read_kbd_data(state->kbdc);
} while (scancode == -1);
} else {
scancode = read_kbd_data_no_wait(state->kbdc);
if (scancode == -1)
return NOKEY;
}
++kbd->kb_count;
#if KBDIO_DEBUG >= 10
printf("atkbd_read_char(): scancode:0x%x\n", scancode);
#endif
#ifdef EVDEV_SUPPORT
/* push evdev event */
if (evdev_rcpt_mask & EVDEV_RCPT_HW_KBD && state->ks_evdev != NULL) {
keycode = evdev_scancode2key(&state->ks_evdev_state,
scancode);
if (keycode != KEY_RESERVED) {
evdev_push_event(state->ks_evdev, EV_KEY,
(uint16_t)keycode, scancode & 0x80 ? 0 : 1);
evdev_sync(state->ks_evdev);
}
}
#endif
/* return the byte as is for the K_RAW mode */
if (state->ks_mode == K_RAW)
return scancode;
/* translate the scan code into a keycode */
keycode = scancode & 0x7F;
switch (state->ks_prefix) {
case 0x00: /* normal scancode */
switch(scancode) {
case 0xB8: /* left alt (compose key) released */
if (state->ks_flags & COMPOSE) {
state->ks_flags &= ~COMPOSE;
if (state->ks_composed_char > UCHAR_MAX)
state->ks_composed_char = 0;
}
break;
case 0x38: /* left alt (compose key) pressed */
if (!(state->ks_flags & COMPOSE)) {
state->ks_flags |= COMPOSE;
state->ks_composed_char = 0;
}
break;
case 0xE0:
case 0xE1:
state->ks_prefix = scancode;
goto next_code;
}
break;
case 0xE0: /* 0xE0 prefix */
state->ks_prefix = 0;
switch (keycode) {
case 0x1C: /* right enter key */
keycode = 0x59;
break;
case 0x1D: /* right ctrl key */
keycode = 0x5A;
break;
case 0x35: /* keypad divide key */
keycode = 0x5B;
break;
case 0x37: /* print scrn key */
keycode = 0x5C;
break;
case 0x38: /* right alt key (alt gr) */
keycode = 0x5D;
break;
case 0x46: /* ctrl-pause/break on AT 101 (see below) */
keycode = 0x68;
break;
case 0x47: /* grey home key */
keycode = 0x5E;
break;
case 0x48: /* grey up arrow key */
keycode = 0x5F;
break;
case 0x49: /* grey page up key */
keycode = 0x60;
break;
case 0x4B: /* grey left arrow key */
keycode = 0x61;
break;
case 0x4D: /* grey right arrow key */
keycode = 0x62;
break;
case 0x4F: /* grey end key */
keycode = 0x63;
break;
case 0x50: /* grey down arrow key */
keycode = 0x64;
break;
case 0x51: /* grey page down key */
keycode = 0x65;
break;
case 0x52: /* grey insert key */
keycode = 0x66;
break;
case 0x53: /* grey delete key */
keycode = 0x67;
break;
/* the following 3 are only used on the MS "Natural" keyboard */
case 0x5b: /* left Window key */
keycode = 0x69;
break;
case 0x5c: /* right Window key */
keycode = 0x6a;
break;
case 0x5d: /* menu key */
keycode = 0x6b;
break;
case 0x5e: /* power key */
keycode = 0x6d;
break;
case 0x5f: /* sleep key */
keycode = 0x6e;
break;
case 0x63: /* wake key */
keycode = 0x6f;
break;
default: /* ignore everything else */
goto next_code;
}
break;
case 0xE1: /* 0xE1 prefix */
/*
* The pause/break key on the 101 keyboard produces:
* E1-1D-45 E1-9D-C5
* Ctrl-pause/break produces:
* E0-46 E0-C6 (See above.)
*/
state->ks_prefix = 0;
if (keycode == 0x1D)
state->ks_prefix = 0x1D;
goto next_code;
/* NOT REACHED */
case 0x1D: /* pause / break */
state->ks_prefix = 0;
if (keycode != 0x45)
goto next_code;
keycode = 0x68;
break;
}
if (kbd->kb_type == KB_84) {
switch (keycode) {
case 0x37: /* *(numpad)/print screen */
if (state->ks_flags & SHIFTS)
keycode = 0x5c; /* print screen */
break;
case 0x45: /* num lock/pause */
if (state->ks_flags & CTLS)
keycode = 0x68; /* pause */
break;
case 0x46: /* scroll lock/break */
if (state->ks_flags & CTLS)
keycode = 0x6c; /* break */
break;
}
} else if (kbd->kb_type == KB_101) {
switch (keycode) {
case 0x5c: /* print screen */
if (state->ks_flags & ALTS)
keycode = 0x54; /* sysrq */
break;
case 0x68: /* pause/break */
if (state->ks_flags & CTLS)
keycode = 0x6c; /* break */
break;
}
}
/* return the key code in the K_CODE mode */
if (state->ks_mode == K_CODE)
return (keycode | (scancode & 0x80));
/* compose a character code */
if (state->ks_flags & COMPOSE) {
switch (keycode | (scancode & 0x80)) {
/* key pressed, process it */
case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
state->ks_composed_char *= 10;
state->ks_composed_char += keycode - 0x40;
if (state->ks_composed_char > UCHAR_MAX)
return ERRKEY;
goto next_code;
case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
state->ks_composed_char *= 10;
state->ks_composed_char += keycode - 0x47;
if (state->ks_composed_char > UCHAR_MAX)
return ERRKEY;
goto next_code;
case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
state->ks_composed_char *= 10;
state->ks_composed_char += keycode - 0x4E;
if (state->ks_composed_char > UCHAR_MAX)
return ERRKEY;
goto next_code;
case 0x52: /* keypad 0 */
state->ks_composed_char *= 10;
if (state->ks_composed_char > UCHAR_MAX)
return ERRKEY;
goto next_code;
/* key released, no interest here */
case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
case 0xD2: /* keypad 0 */
goto next_code;
case 0x38: /* left alt key */
break;
default:
if (state->ks_composed_char > 0) {
state->ks_flags &= ~COMPOSE;
state->ks_composed_char = 0;
return ERRKEY;
}
break;
}
}
/* keycode to key action */
action = genkbd_keyaction(kbd, keycode, scancode & 0x80,
&state->ks_state, &state->ks_accents);
if (action == NOKEY)
goto next_code;
else
return action;
}
