io/todds1307/todds1307.c

236 	i2c_transfer_t	*i2c_tp = NULL;
277 	    &i2c_tp, 1, 1, I2C_SLEEP);
278 	i2c_tp->i2c_version = I2C_XFER_REV;
279 	i2c_tp->i2c_flags = I2C_WR_RD;
280 	i2c_tp->i2c_wbuf[0] = (uchar_t)0x00; /* Read 00h */
281 	i2c_tp->i2c_wlen = 1;
282 	i2c_tp->i2c_rlen = 1;
284 	if ((i2c_transfer(statep->ds1307_i2c_hdl, i2c_tp)) != I2C_SUCCESS) {
285 		(void) i2c_transfer_free(statep->ds1307_i2c_hdl, i2c_tp);
291 	tempVal = i2c_tp->i2c_rbuf[0];
293 	(void) i2c_transfer_free(statep->ds1307_i2c_hdl, i2c_tp);
296 		(void) i2c_transfer_alloc(statep->ds1307_i2c_hdl, &i2c_tp,
298 		i2c_tp->i2c_version = I2C_XFER_REV;
299 		i2c_tp->i2c_flags = I2C_WR;
300 		i2c_tp->i2c_wbuf[0] = 0x00;
301 		i2c_tp->i2c_wbuf[1] =
302 		    (uchar_t)(i2c_tp->i2c_rbuf[0]& 0x7f);
303 		i2c_tp->i2c_wlen = 2;
305 		if ((i2c_transfer(statep->ds1307_i2c_hdl, i2c_tp))
308 			    i2c_tp);
312 		(void) i2c_transfer_free(statep->ds1307_i2c_hdl, i2c_tp);
485 	i2c_transfer_t	*i2c_tp = NULL;
505 	if ((i2c_transfer_alloc(statep->ds1307_i2c_hdl, &i2c_tp, 1,
512 		i2c_tp->i2c_version = I2C_XFER_REV;
513 		i2c_tp->i2c_flags = I2C_WR_RD;
514 		i2c_tp->i2c_wbuf[0] = (uchar_t)0x00; /* Start from reg 0x00 */
515 		i2c_tp->i2c_wlen = 1;	/* Write one byte address */
516 		i2c_tp->i2c_rlen = 7;	/* Read 7 regs */
519 		    i2c_tp)) != I2C_SUCCESS) {
526 		bcopy(i2c_tp->i2c_rbuf, tod_read, 7);
530 		i2c_tp->i2c_wbuf[0] = (uchar_t)0x00;
531 		i2c_tp->i2c_wlen = 1;	/* Write one byte address */
532 		i2c_tp->i2c_rlen = 7;	/* Read 7 regs */
534 		    i2c_tp)) != I2C_SUCCESS) {
539 		if (bcmp(tod_read, i2c_tp->i2c_rbuf, 7) != 0) {
545 	} while (i2c_tp->i2c_rbuf[0] == 0x59 &&
547 	    bcmp(&tod_read[1], &i2c_tp->i2c_rbuf[1], 6) != 0 &&
554 	bcopy(i2c_tp->i2c_rbuf, tod_read, 7);
557 	rtc->rtc_year	= bcd2int(i2c_tp->i2c_rbuf[6]);
558 	rtc->rtc_mon	= bcd2int(i2c_tp->i2c_rbuf[5]);
559 	rtc->rtc_dom	= bcd2int(i2c_tp->i2c_rbuf[4]);
560 	rtc->rtc_dow	= bcd2int(i2c_tp->i2c_rbuf[3]);
561 	rtc->rtc_hrs	= bcd2int(i2c_tp->i2c_rbuf[2]);
562 	rtc->rtc_min	= bcd2int(i2c_tp->i2c_rbuf[1]);
563 	rtc->rtc_sec	= bcd2int(i2c_tp->i2c_rbuf[0]);
566 	(void) i2c_transfer_free(statep->ds1307_i2c_hdl, i2c_tp);
577 	i2c_transfer_t	*i2c_tp = NULL;
591 	    &i2c_tp, 8, 0, I2C_SLEEP)) != I2C_SUCCESS) {
595 	i2c_tp->i2c_version = I2C_XFER_REV;
596 	i2c_tp->i2c_flags = I2C_WR;
597 	i2c_tp->i2c_wbuf[0] = (uchar_t)0x00;
598 	i2c_tp->i2c_wbuf[1] = rtc->rtc_sec;
599 	i2c_tp->i2c_wbuf[2] = rtc->rtc_min;
600 	i2c_tp->i2c_wbuf[3] = rtc->rtc_hrs;
601 	i2c_tp->i2c_wbuf[4] = rtc->rtc_dow;
602 	i2c_tp->i2c_wbuf[5] = rtc->rtc_dom;
603 	i2c_tp->i2c_wbuf[6] = rtc->rtc_mon;
604 	i2c_tp->i2c_wbuf[7] = rtc->rtc_year;
605 	i2c_tp->i2c_wlen = 8;
608 	    i2c_tp)) != I2C_SUCCESS) {
609 		(void) i2c_transfer_free(statep->ds1307_i2c_hdl, i2c_tp);
617 	(void) i2c_transfer_free(statep->ds1307_i2c_hdl, i2c_tp);