int rtc_write_datetime(const struct tm *tm)
{
unsigned int i;
int rc, oldlevel;
unsigned char buf[7];
buf[0] = tm->tm_sec;
buf[1] = tm->tm_min;
buf[2] = tm->tm_hour;
buf[3] = tm->tm_wday;
buf[4] = tm->tm_mday;
buf[5] = tm->tm_mon + 1;
buf[6] = tm->tm_year - 100;
for (i = 0; i < sizeof(buf); i++)
buf[i] = DEC2BCD(buf[i]);
oldlevel = disable_irq_save();
if (get_pmu_type() == PCF50606)
rc = pcf50606_write_multiple(PCF5060X_RTCSC, buf, sizeof(buf));
else
rc = pcf50635_write_multiple(PCF5063X_REG_RTCSC, buf, sizeof(buf));
restore_irq(oldlevel);
return rc;
}
int rtc_read_datetime(struct tm *tm)
{
unsigned int i;
int rc, oldlevel;
unsigned char buf[7];
oldlevel = disable_irq_save();
if (get_pmu_type() == PCF50606)
rc = pcf50606_read_multiple(PCF5060X_RTCSC, buf, sizeof(buf));
else
rc = pcf50635_read_multiple(PCF5063X_REG_RTCSC, buf, sizeof(buf));
restore_irq(oldlevel);
for (i = 0; i < sizeof(buf); i++)
buf[i] = BCD2DEC(buf[i]);
tm->tm_sec = buf[0];
tm->tm_min = buf[1];
tm->tm_hour = buf[2];
tm->tm_wday = buf[3];
tm->tm_mday = buf[4];
tm->tm_mon = buf[5] - 1;
tm->tm_year = buf[6] + 100;
return rc;
}
unsigned int power_input_status(void)
{
/* Players with a PCF50606 can use GPIOs to determine whether AC is inserted
and whether charging is taking place. Newer players re-use C26 for the
touchscreen, so we need to monitor PCF50635 USB/adapter IRQs for this. */
if (get_pmu_type() == PCF50606)
{
/* Check AC adapter */
if (GPIOD & (1<<23))
return POWER_INPUT_MAIN_CHARGER;
/* C26 indicates charging, without AC connected it implies USB power */
if ((GPIOC & (1<<26)) == 0)
return POWER_INPUT_USB_CHARGER;
}
else
{
/* pcf50635 power input status can be obtained from MBCS1 register */
int mbcs1 = pcf50635_read(PCF5063X_REG_MBCS1);
/* Check AC adapter presence*/
if (mbcs1 & PCF5063X_MBCS1_ADAPTPRES)
return POWER_INPUT_MAIN_CHARGER;
/* Check USB presence */
if (mbcs1 & PCF5063X_MBCS1_USBPRES)
return POWER_INPUT_USB_CHARGER;
}
return POWER_INPUT_NONE;
}
void _backlight_off(void)
{
if (get_pmu_type() == PCF50606)
{
GPIOA_CLEAR = (1<<6);
}
else
{
int level = disable_irq_save();
pcf50635_write(PCF5063X_REG_LEDENA, 0);
restore_irq(level);
}
}
/* Returns battery voltage from ADC [millivolts] */
unsigned int battery_adc_voltage(void)
{
static unsigned last_tick = 0;
if (TIME_BEFORE(last_tick+HZ, current_tick))
{
short adc_val;
if (get_pmu_type() == PCF50606)
pcf50606_read_adc(PCF5060X_ADC_BATVOLT_RES, &adc_val, NULL);
else
pcf50635_read_adc(PCF5063X_ADCC1_MUX_BATSNS_RES, &adc_val, NULL);
current_voltage = (adc_val * BATTERY_SCALE_FACTOR) >> 10;
last_tick = current_tick;
}
void _backlight_set_brightness(int brightness)
{
int level = disable_irq_save();
if (get_pmu_type() == PCF50606)
{
pcf50606_write(PCF5060X_PWMC1,
0xe1 | (MAX_BRIGHTNESS_SETTING-brightness)<<1);
pcf50606_write(PCF5060X_GPOC1, 0x3);
}
else
{
static const int brightness_lookup[MAX_BRIGHTNESS_SETTING+1] =
{0x1, 0x8, 0xa, 0xe, 0x12, 0x16, 0x19, 0x1b, 0x1e,
0x21, 0x24, 0x26, 0x28, 0x2a, 0x2c};
pcf50635_write(PCF5063X_REG_LEDOUT, brightness_lookup[brightness]);
}
restore_irq(level);
}
void EXT3(void)
{
if (get_pmu_type() == PCF50606)
{
unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
/* Clear pending interrupts from pcf50606 */
pcf50606_read_multiple(0x02, data, 3);
if (data[0] & 0x04)
{
/* ONKEY1S */
if (!charger_inserted())
sys_poweroff();
else
pcf50606_reset_timeout();
}
if (data[2] & 0x08)
{
/* Touchscreen event, do something about it */
touchscreen_handle_device_irq();
}
}
else
{
unsigned char data[5]; /* 0 = INT1, 1 = INT2, 2 = INT3, ... 4 = INT5 */
/* Clear pending interrupts from pcf50635 */
pcf50635_read_multiple(PCF5063X_REG_INT1, data, 5);
if (data[2] & PCF5063X_INT3_ONKEY1S)
{
if (!charger_inserted())
sys_poweroff();
}
}
}
