void rtc_set_alarm(int h, int m)
{
int day = mc13783_read(MC13783_RTC_DAY);
int tod = mc13783_read(MC13783_RTC_TIME);
if (h*3600 + m*60 < tod)
day++;
mc13783_write(MC13783_RTC_DAY_ALARM, day);
mc13783_write(MC13783_RTC_ALARM, h*3600 + m*60);
}
/** Public APIs **/
void rtc_init(void)
{
/* only needs to be polled on startup */
if (mc13783_read(MC13783_INTERRUPT_STATUS1) & MC13783_TODAI)
{
alarm_start = true;
mc13783_write(MC13783_INTERRUPT_STATUS1, MC13783_TODAI);
}
}
void INIT_ATTR mc13783_init(void)
{
/* Serial interface must have been initialized first! */
wakeup_init(&mc13783_svc_wake);
mutex_init(&mc13783_spi_mutex);
wakeup_init(&mc13783_spi_wake);
/* Enable the PMIC SPI module */
spi_enable_module(&mc13783_spi);
/* Mask any PMIC interrupts for now - modules will enable them as
* required */
mc13783_write(MC13783_INTERRUPT_MASK0, 0xffffff);
mc13783_write(MC13783_INTERRUPT_MASK1, 0xffffff);
MC13783_GPIO_ISR = (1ul << MC13783_GPIO_LINE);
mc13783_thread_id =
create_thread(mc13783_interrupt_thread,
mc13783_thread_stack, sizeof(mc13783_thread_stack), 0,
mc13783_thread_name IF_PRIO(, PRIORITY_REALTIME) IF_COP(, CPU));
}
uint32_t mc13783_clear(unsigned address, uint32_t bits)
{
uint32_t data;
mutex_lock(&mc13783_spi_mutex);
data = mc13783_read(address);
if (data != MC13783_DATA_ERROR)
mc13783_write(address, data & ~bits);
mutex_unlock(&mc13783_spi_mutex);
return data;
}
bool _backlight_init(void)
{
/* Set default LED register value */
mc13783_write(MC13783_LED_CONTROL0,
MC13783_LED_CONTROL0_BITS | MC13783_LEDEN);
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
/* Our PWM and I-Level is different than retailos (but same apparent
* brightness), so init to our default. */
_backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
#else
/* Use default PWM */
backlight_pwm_bits = mc13783_read(MC13783_LED_CONTROL2) & MC13783_LEDMDDC;
#endif
return true;
}
void _backlight_off(void)
{
uint32_t ctrl0 = MC13783_LED_CONTROL0_BITS | MC13783_LEDEN;
if (backlight_on_status)
ctrl0 |= led_ramp_mask & MC13783_LEDMDRAMPDOWN;
backlight_on_status = false;
/* Set/clear LEDRAMPDOWN bit, clear LEDRAMPUP bit */
mc13783_write(MC13783_LED_CONTROL0, ctrl0);
/* Wait 100us - 500ms */
sleep(HZ/100);
/* Write final PWM setting */
mc13783_write_masked(MC13783_LED_CONTROL2,
0 << MC13783_LEDMDDC_POS,
MC13783_LEDMDDC);
}
uint32_t mc13783_write_masked(unsigned address, uint32_t data, uint32_t mask)
{
uint32_t old;
mutex_lock(&mc13783_spi_mutex);
old = mc13783_read(address);
if (old != MC13783_DATA_ERROR)
{
data = (old & ~mask) | (data & mask);
if (mc13783_write(address, data) != 1)
old = MC13783_DATA_ERROR;
}
mutex_unlock(&mc13783_spi_mutex);
return old;
}
