void ds1603_set_trimmer(unsigned int trimval)
{
rtc_init_op();
rtc_write_byte(((trimval << TRIMMER_SHIFT) & TRIMMER_VALUE_MASK)
| (TRIMMER_SET_CMD));
rtc_end_op();
}
int ds1603_set(unsigned long time)
{
rtc_init_op();
rtc_write_byte(SET_TIME_CMD);
rtc_write_word(time);
rtc_end_op();
return 0;
}
/* interface */
unsigned long ds1603_read(void)
{
unsigned long word;
rtc_init_op();
rtc_write_byte(READ_TIME_CMD);
word = rtc_read_word();
rtc_end_op();
return word;
}
int rtc_mips_set_mmss(unsigned long time)
{
unsigned long flags;
spin_lock_irqsave(&rtc_lock, flags);
rtc_init_op();
rtc_write_byte(SET_TIME_CMD);
rtc_write_word(time);
rtc_end_op();
spin_unlock_irqrestore(&rtc_lock, flags);
return 0;
}
void read_persistent_clock(struct timespec *ts)
{
unsigned long word;
unsigned long flags;
spin_lock_irqsave(&rtc_lock, flags);
rtc_init_op();
rtc_write_byte(READ_TIME_CMD);
word = rtc_read_word();
rtc_end_op();
spin_unlock_irqrestore(&rtc_lock, flags);
ts->tv_sec = word;
ts->tv_nsec = 0;
}
