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);
}
void _backlight_on(void)
{
static const char regs[2] =
{
MC13783_LED_CONTROL0,
MC13783_LED_CONTROL2
};
uint32_t data[2];
#ifdef HAVE_LCD_ENABLE
lcd_enable(true);
#endif
/* Set/clear LEDRAMPUP bit, clear LEDRAMPDOWN bit,
* Ensure LED supply is on. */
data[0] = MC13783_LED_CONTROL0_BITS | MC13783_LEDEN;
if (!backlight_on_status)
data[0] |= led_ramp_mask & MC13783_LEDMDRAMPUP;
backlight_on_status = true;
/* Specify final PWM setting */
data[1] = mc13783_read(MC13783_LED_CONTROL2);
if (data[1] != MC13783_DATA_ERROR)
{
data[1] &= ~MC13783_LEDMDDC;
data[1] |= backlight_pwm_bits;
/* Write regs within 30us of each other (requires single xfer) */
mc13783_write_regs(regs, data, 2);
}
}
/** 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);
}
}
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;
}
/* This is called from the mc13783 interrupt thread */
void button_power_event(void)
{
bool pressed =
(mc13783_read(MC13783_INTERRUPT_SENSE1) & MC13783_ONOFD1S) == 0;
int oldlevel = disable_irq_save();
if (pressed)
{
ext_btn |= BUTTON_POWER;
}
else
{
ext_btn &= ~BUTTON_POWER;
}
restore_irq(oldlevel);
}
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;
}
void button_init_device(void)
{
#ifdef BOOTLOADER
/* Can be called more than once in the bootloader */
if (initialized)
return;
initialized = true;
#endif
/* Enable keypad clock */
ccm_module_clock_gating(CG_KPP, CGM_ON_RUN_WAIT);
/* 1. Enable number of rows in keypad (KPCR[4:0])
*
* Configure the rows/cols in KPP
* LSB nybble in KPP is for 5 rows
* MSB nybble in KPP is for 3 cols */
KPP_KPCR |= 0x1f;
/* 2. Write 0's to KPDR[10:8] */
KPP_KPDR &= ~(0x7 << 8);
/* 3. Configure the keypad columns as open-drain (KPCR[10:8]). */
KPP_KPCR |= (0x7 << 8);
/* 4. Configure columns as output, rows as input (KDDR[10:8,4:0]) */
KPP_KDDR = (KPP_KDDR | (0x7 << 8)) & ~0x1f;
/* 5. Clear the KPKD Status Flag and Synchronizer chain.
* 6. Set the KDIE control bit bit. */
KPP_KPSR = KPP_KPSR_KRSS | KPP_KPSR_KDSC | KPP_KPSR_KPKD;
power_button_update(!(mc13783_read(MC13783_INTERRUPT_SENSE1)
& MC13783_ONOFD1S));
mc13783_enable_event(MC13783_ONOFD1_EVENT, true);
#ifdef HAVE_HEADPHONE_DETECTION
headphone_init();
#endif
}
/* Read the immediate state of the cable from the PMIC */
bool usb_plugged(void)
{
return mc13783_read(MC13783_INTERRUPT_SENSE0) & MC13783_USB4V4S;
}
void rtc_get_alarm(int *h, int *m)
{
int tod = mc13783_read(MC13783_RTC_ALARM);
*h = tod / 3600;
*m = tod % 3600 / 60;
}