/* check if data is waiting */
static int
ukbd_check(keyboard_t *kbd)
{
ukbd_state_t *state;
if (!KBD_IS_ACTIVE(kbd)) {
return FALSE;
}
state = (ukbd_state_t *)kbd->kb_data;
if (state->ks_polling) {
crit_enter();
usbd_dopoll(state->ks_iface);
crit_exit();
}
#ifdef UKBD_EMULATE_ATSCANCODE
if (((ukbd_state_t *)kbd->kb_data)->ks_buffered_char[0]) {
return TRUE;
}
#endif
if (((ukbd_state_t *)kbd->kb_data)->ks_inputs > 0) {
return TRUE;
}
return FALSE;
}
static int
ukbd_getc(ukbd_state_t *state, int wait)
{
int c;
if (state->ks_polling) {
DPRINTFN(1,("ukbd_getc: polling\n"));
crit_enter();
while (state->ks_inputs <= 0) {
usbd_dopoll(state->ks_iface);
if (wait == 0)
break;
}
crit_exit();
}
crit_enter();
if (state->ks_inputs <= 0) {
c = -1;
} else {
c = state->ks_input[state->ks_inputhead];
--state->ks_inputs;
state->ks_inputhead = (state->ks_inputhead + 1)%INPUTBUFSIZE;
}
crit_exit();
return c;
}
/* Console interface. */
void
ukbd_cngetc(void *v, u_int *type, int *data)
{
struct ukbd_softc *sc = v;
int c;
int broken;
if (pollenter == 0) {
if (!warned) {
printf("\n"
"This port is broken, it does not call cnpollc() before calling cngetc().\n"
"This should be fixed, but it will work anyway (for now).\n");
warned = 1;
}
broken = 1;
ukbd_cnpollc(v, 1);
} else
broken = 0;
DPRINTFN(0,("ukbd_cngetc: enter\n"));
sc->sc_polling = 1;
while(sc->sc_npollchar <= 0)
usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface);
sc->sc_polling = 0;
c = sc->sc_pollchars[0];
sc->sc_npollchar--;
memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
sc->sc_npollchar * sizeof(u_int16_t));
*type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
*data = c & CODEMASK;
DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
if (broken)
ukbd_cnpollc(v, 0);
}
/* Console interface. */
void
ukbd_cngetc(void *v, u_int *type, int *data)
{
struct ukbd_softc *sc = v;
struct hidkbd *kbd = &sc->sc_kbd;
DPRINTFN(0,("ukbd_cngetc: enter\n"));
kbd->sc_polling = 1;
while (kbd->sc_npollchar <= 0)
usbd_dopoll(sc->sc_hdev.sc_udev);
kbd->sc_polling = 0;
hidkbd_cngetc(kbd, type, data);
DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", *data));
}
/* Console interface. */
void
ukbd_cngetc(void *v, u_int *type, int *data)
{
struct ukbd_softc *sc = v;
int c;
DPRINTFN(0,("ukbd_cngetc: enter\n"));
sc->sc_polling = 1;
while(sc->sc_npollchar <= 0)
usbd_dopoll(sc->sc_hdev.sc_parent->sc_iface);
sc->sc_polling = 0;
c = sc->sc_pollchars[0];
sc->sc_npollchar--;
memcpy(sc->sc_pollchars, sc->sc_pollchars+1,
sc->sc_npollchar * sizeof(u_int16_t));
*type = c & RELEASE ? WSCONS_EVENT_KEY_UP : WSCONS_EVENT_KEY_DOWN;
*data = c & CODEMASK;
DPRINTFN(0,("ukbd_cngetc: return 0x%02x\n", c));
}
static int
ukbd_getc(ukbd_state_t *state)
{
int c;
int s;
if (state->ks_polling) {
DPRINTFN(1,("ukbd_getc: polling\n"));
s = splusb();
while (state->ks_inputs <= 0)
usbd_dopoll(state->ks_iface);
splx(s);
}
s = splusb();
if (state->ks_inputs <= 0) {
c = -1;
} else {
c = state->ks_input[state->ks_inputhead];
--state->ks_inputs;
state->ks_inputhead = (state->ks_inputhead + 1)%INPUTBUFSIZE;
}
splx(s);
return c;
}
