Function pcf2123_rtc_settime

freebsd/mips/atheros/pcf2123_rtc.c:142–187

}

static int
pcf2123_rtc_settime(device_t dev, struct timespec *ts)
{
	struct clocktime ct;
	struct pcf2123_rtc_softc *sc;
	struct spi_command cmd;
	unsigned char rxTimedate[8];
	unsigned char txTimedate[8];
	int err;

	sc = device_get_softc(dev);

	/* Resolution: 1 sec */
	if (ts->tv_nsec >= 500000000)
		ts->tv_sec++;
	ts->tv_nsec = 0;
	clock_ts_to_ct(ts, &ct);

	memset(&cmd, 0, sizeof(cmd));
	memset(rxTimedate, 0, sizeof(rxTimedate));
	memset(txTimedate, 0, sizeof(txTimedate));

	/* Start reading from seconds */
	cmd.rx_cmd = rxTimedate;
	cmd.tx_cmd = txTimedate;
	cmd.rx_cmd_sz = sizeof(rxTimedate);
	cmd.tx_cmd_sz = sizeof(txTimedate);

	/*
	 * Counter is stopped when access to time registers is in progress
	 * So there is no need to stop/start counter
	 */
	txTimedate[0] = PCF2123_WRITE(PCF2123_REG_SECONDS);
	txTimedate[1] = TOBCD(ct.sec);
	txTimedate[2] = TOBCD(ct.min);
	txTimedate[3] = TOBCD(ct.hour);
	txTimedate[4] = TOBCD(ct.day);
	txTimedate[5] = TOBCD(ct.dow);
	txTimedate[6] = TOBCD(ct.mon);
	txTimedate[7] = TOBCD(ct.year - YEAR_BASE);

	err = SPIBUS_TRANSFER(device_get_parent(dev), dev, &cmd);
	DELAY(PCF2123_DELAY);

	return (err);
}

static device_method_t pcf2123_rtc_methods[] = {
	DEVMETHOD(device_probe,		pcf2123_rtc_probe),