static
void alsa_seqmidi_write(alsa_midi_t *m, jack_nframes_t nframes)
{
alsa_seqmidi_t *self = (alsa_seqmidi_t*) m;
struct process_info info;
if (!self->keep_walking)
return;
set_process_info(&info, self, PORT_OUTPUT, nframes);
jack_process(self, &info);
snd_seq_drain_output(self->seq);
}
static
void alsa_seqmidi_read(alsa_midi_t *m, jack_nframes_t nframes)
{
alsa_seqmidi_t *self = (alsa_seqmidi_t*) m;
int res;
snd_seq_event_t *event;
struct process_info info;
if (!self->keep_walking)
return;
set_process_info(&info, self, PORT_INPUT, nframes);
jack_process(self, &info);
while ((res = snd_seq_event_input(self->seq, &event))>0) {
if (event->source.client == SND_SEQ_CLIENT_SYSTEM)
port_event(self, event);
else
input_event(self, event, &info);
}
}
static
void alsa_rawmidi_read(alsa_midi_t *m, jack_nframes_t nframes)
{
alsa_rawmidi_t *midi = (alsa_rawmidi_t*)m;
jack_process(&midi->in, nframes);
}
static
void alsa_rawmidi_write(alsa_midi_t *m, jack_nframes_t nframes)
{
alsa_rawmidi_t *midi = (alsa_rawmidi_t*)m;
jack_process(&midi->out, nframes);
}
static irqreturn_t mxskbd_irq_handler(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
struct mxskbd_data *d = platform_get_drvdata(pdev);
int i, key, f_key = -1;
u32 vddio;
jack_process(d);
/* end key process */
i = (__raw_readl(REGS_POWER_BASE + HW_POWER_STS) &
BF_POWER_STS_PSWITCH(0x1)) ? KEY_END : -1;
if (i == KEY_END) {
if (i == d->last_button)
goto _end;
f_key = i;
}
if (f_key < 0 && d->jack_cnt == 0 &&
d->jack_last == SW_MICROPHONE_INSERT) {
i = __raw_readl(d->base + HW_LRADC_CHn(d->chan[MAX_CH-1])) &
BM_LRADC_CHn_VALUE;
if (i <= MIC_DET_THRESHOLD) {
if (d->last_button == KEY_KPENTER) {
d->jack_push_cnt = 0;
goto _end;
}
if (++d->jack_push_cnt > 4)
f_key = KEY_KPENTER;
} else
d->jack_push_cnt = 0;
} else
d->jack_push_cnt = 0;
/* adc key process */
vddio = __raw_readl(d->base + HW_LRADC_CHn(VDDIO_VOLTAGE_CH)) &
BM_LRADC_CHn_VALUE;
BUG_ON(vddio == 0);
#ifdef DUMP_KEY_ADC
static int val[MAX_CH];
printk("KEY=0x%03x(%4d), 0x%03x(%4d), 0x%03x(%4d), 0x%03x(%4d)\n",
val[0], val[0], val[1], val[1],
val[2], val[2], val[3], val[3]);
#endif
for (i = 0; i < MAX_CH-1; i++) {
int raw, norm;
raw = __raw_readl(d->base + HW_LRADC_CHn(d->chan[i])) &
BM_LRADC_CHn_VALUE;
norm = (raw * TARGET_VDDIO_LRADC_VALUE) / vddio;
key = mxskbd_decode_button(d->keycodes +
d->keycodes_offset*i, norm);
key = unjitter_key(i, key);
#ifdef DUMP_KEY_ADC
val[i] = raw;
#endif
if (key >= 0) {
if (key == d->last_button)
goto _end;
if (f_key < 0)
f_key = key;
}
}
key = volume_key_process(d);
if (key > 0) {
if (key == d->last_button)
goto _end;
if (f_key < 0)
f_key = key;
}
if (d->last_button >= 0) {
input_report_key(GET_INPUT_DEV(d), d->last_button, 0);
d->last_button = -1;
}
if (f_key >= 0 && f_key != d->last_button) {
input_report_key(GET_INPUT_DEV(d), f_key, !0);
#ifdef ENABLE_BACKLIGHT_GPIO_CONTROL
_keypad_set_backlight(1);
#endif
#ifdef CONFIG_HAS_WAKELOCK
wake_lock_timeout(&key_wake_lock, 5*HZ);
#endif
d->last_button = f_key;
}
_end:
__raw_writel((BM_LRADC_CTRL1_LRADC0_IRQ << d->chan[0]) +
(BM_LRADC_CTRL1_LRADC0_IRQ << d->chan[1]) +
(BM_LRADC_CTRL1_LRADC0_IRQ << d->chan[2]) +
(BM_LRADC_CTRL1_LRADC0_IRQ << d->chan[3]) +
(BM_LRADC_CTRL1_LRADC0_IRQ << VDDIO_VOLTAGE_CH),
d->base + HW_LRADC_CTRL1_CLR);
return IRQ_HANDLED;
}