47 ds1685_read(struct ds1685_priv *rtc, int reg)  in ds1685_read()  argument
49 	return readb((u8 __iomem *)rtc->regs +  in ds1685_read()
50 		     (reg * rtc->regstep));  in ds1685_read()
60 ds1685_write(struct ds1685_priv *rtc, int reg, u8 value)  in ds1685_write()  argument
62 	writeb(value, ((u8 __iomem *)rtc->regs +  in ds1685_write()
63 		       (reg * rtc->regstep)));  in ds1685_write()
81 ds1685_rtc_bcd2bin(struct ds1685_priv *rtc, u8 val, u8 bcd_mask, u8 bin_mask)  in ds1685_rtc_bcd2bin()  argument
83 	if (rtc->bcd_mode)  in ds1685_rtc_bcd2bin()
99 ds1685_rtc_bin2bcd(struct ds1685_priv *rtc, u8 val, u8 bin_mask, u8 bcd_mask)  in ds1685_rtc_bin2bcd()  argument
101 	if (rtc->bcd_mode)  in ds1685_rtc_bin2bcd()
112 ds1685_rtc_switch_to_bank0(struct ds1685_priv *rtc)  in ds1685_rtc_switch_to_bank0()  argument
114 	rtc->write(rtc, RTC_CTRL_A,  in ds1685_rtc_switch_to_bank0()
115 		   (rtc->read(rtc, RTC_CTRL_A) & ~(RTC_CTRL_A_DV0)));  in ds1685_rtc_switch_to_bank0()
123 ds1685_rtc_switch_to_bank1(struct ds1685_priv *rtc)  in ds1685_rtc_switch_to_bank1()  argument
125 	rtc->write(rtc, RTC_CTRL_A,  in ds1685_rtc_switch_to_bank1()
126 		   (rtc->read(rtc, RTC_CTRL_A) | RTC_CTRL_A_DV0));  in ds1685_rtc_switch_to_bank1()
143 ds1685_rtc_begin_data_access(struct ds1685_priv *rtc)  in ds1685_rtc_begin_data_access()  argument
146 	rtc->write(rtc, RTC_CTRL_B,  in ds1685_rtc_begin_data_access()
147 		   (rtc->read(rtc, RTC_CTRL_B) | RTC_CTRL_B_SET));  in ds1685_rtc_begin_data_access()
150 	while (rtc->read(rtc, RTC_EXT_CTRL_4A) & RTC_CTRL_4A_INCR)  in ds1685_rtc_begin_data_access()
154 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_begin_data_access()
166 ds1685_rtc_end_data_access(struct ds1685_priv *rtc)  in ds1685_rtc_end_data_access()  argument
169 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_end_data_access()
172 	rtc->write(rtc, RTC_CTRL_B,  in ds1685_rtc_end_data_access()
173 		   (rtc->read(rtc, RTC_CTRL_B) & ~(RTC_CTRL_B_SET)));  in ds1685_rtc_end_data_access()
190 ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long *flags)  in ds1685_rtc_begin_ctrl_access()  argument
192 	spin_lock_irqsave(&rtc->lock, *flags);  in ds1685_rtc_begin_ctrl_access()
193 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_begin_ctrl_access()
206 ds1685_rtc_end_ctrl_access(struct ds1685_priv *rtc, unsigned long flags)  in ds1685_rtc_end_ctrl_access()  argument
208 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_end_ctrl_access()
209 	spin_unlock_irqrestore(&rtc->lock, flags);  in ds1685_rtc_end_ctrl_access()
227 ds1685_rtc_get_ssn(struct ds1685_priv *rtc, u8 *ssn)  in ds1685_rtc_get_ssn()  argument
229 	ssn[0] = rtc->read(rtc, RTC_BANK1_SSN_MODEL);  in ds1685_rtc_get_ssn()
230 	ssn[1] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_1);  in ds1685_rtc_get_ssn()
231 	ssn[2] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_2);  in ds1685_rtc_get_ssn()
232 	ssn[3] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_3);  in ds1685_rtc_get_ssn()
233 	ssn[4] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_4);  in ds1685_rtc_get_ssn()
234 	ssn[5] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_5);  in ds1685_rtc_get_ssn()
235 	ssn[6] = rtc->read(rtc, RTC_BANK1_SSN_BYTE_6);  in ds1685_rtc_get_ssn()
236 	ssn[7] = rtc->read(rtc, RTC_BANK1_SSN_CRC);  in ds1685_rtc_get_ssn()
253 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_read_time()  local
258 	ds1685_rtc_begin_data_access(rtc);  in ds1685_rtc_read_time()
259 	seconds = rtc->read(rtc, RTC_SECS);  in ds1685_rtc_read_time()
260 	minutes = rtc->read(rtc, RTC_MINS);  in ds1685_rtc_read_time()
261 	hours   = rtc->read(rtc, RTC_HRS);  in ds1685_rtc_read_time()
262 	wday    = rtc->read(rtc, RTC_WDAY);  in ds1685_rtc_read_time()
263 	mday    = rtc->read(rtc, RTC_MDAY);  in ds1685_rtc_read_time()
264 	month   = rtc->read(rtc, RTC_MONTH);  in ds1685_rtc_read_time()
265 	years   = rtc->read(rtc, RTC_YEAR);  in ds1685_rtc_read_time()
266 	century = rtc->read(rtc, RTC_CENTURY);  in ds1685_rtc_read_time()
267 	ctrlb   = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_read_time()
268 	ds1685_rtc_end_data_access(rtc);  in ds1685_rtc_read_time()
271 	years        = ds1685_rtc_bcd2bin(rtc, years, RTC_YEAR_BCD_MASK,  in ds1685_rtc_read_time()
273 	century      = ds1685_rtc_bcd2bin(rtc, century, RTC_CENTURY_MASK,  in ds1685_rtc_read_time()
275 	tm->tm_sec   = ds1685_rtc_bcd2bin(rtc, seconds, RTC_SECS_BCD_MASK,  in ds1685_rtc_read_time()
277 	tm->tm_min   = ds1685_rtc_bcd2bin(rtc, minutes, RTC_MINS_BCD_MASK,  in ds1685_rtc_read_time()
279 	tm->tm_hour  = ds1685_rtc_bcd2bin(rtc, hours, RTC_HRS_24_BCD_MASK,  in ds1685_rtc_read_time()
281 	tm->tm_wday  = (ds1685_rtc_bcd2bin(rtc, wday, RTC_WDAY_MASK,  in ds1685_rtc_read_time()
283 	tm->tm_mday  = ds1685_rtc_bcd2bin(rtc, mday, RTC_MDAY_BCD_MASK,  in ds1685_rtc_read_time()
285 	tm->tm_mon   = (ds1685_rtc_bcd2bin(rtc, month, RTC_MONTH_BCD_MASK,  in ds1685_rtc_read_time()
303 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_set_time()  local
307 	seconds = ds1685_rtc_bin2bcd(rtc, tm->tm_sec, RTC_SECS_BIN_MASK,  in ds1685_rtc_set_time()
309 	minutes = ds1685_rtc_bin2bcd(rtc, tm->tm_min, RTC_MINS_BIN_MASK,  in ds1685_rtc_set_time()
311 	hours   = ds1685_rtc_bin2bcd(rtc, tm->tm_hour, RTC_HRS_24_BIN_MASK,  in ds1685_rtc_set_time()
313 	wday    = ds1685_rtc_bin2bcd(rtc, (tm->tm_wday + 1), RTC_WDAY_MASK,  in ds1685_rtc_set_time()
315 	mday    = ds1685_rtc_bin2bcd(rtc, tm->tm_mday, RTC_MDAY_BIN_MASK,  in ds1685_rtc_set_time()
317 	month   = ds1685_rtc_bin2bcd(rtc, (tm->tm_mon + 1), RTC_MONTH_BIN_MASK,  in ds1685_rtc_set_time()
319 	years   = ds1685_rtc_bin2bcd(rtc, (tm->tm_year % 100),  in ds1685_rtc_set_time()
321 	century = ds1685_rtc_bin2bcd(rtc, ((tm->tm_year + 1900) / 100),  in ds1685_rtc_set_time()
344 	ds1685_rtc_begin_data_access(rtc);  in ds1685_rtc_set_time()
345 	ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_set_time()
346 	if (rtc->bcd_mode)  in ds1685_rtc_set_time()
350 	rtc->write(rtc, RTC_CTRL_B, ctrlb);  in ds1685_rtc_set_time()
351 	rtc->write(rtc, RTC_SECS, seconds);  in ds1685_rtc_set_time()
352 	rtc->write(rtc, RTC_MINS, minutes);  in ds1685_rtc_set_time()
353 	rtc->write(rtc, RTC_HRS, hours);  in ds1685_rtc_set_time()
354 	rtc->write(rtc, RTC_WDAY, wday);  in ds1685_rtc_set_time()
355 	rtc->write(rtc, RTC_MDAY, mday);  in ds1685_rtc_set_time()
356 	rtc->write(rtc, RTC_MONTH, month);  in ds1685_rtc_set_time()
357 	rtc->write(rtc, RTC_YEAR, years);  in ds1685_rtc_set_time()
358 	rtc->write(rtc, RTC_CENTURY, century);  in ds1685_rtc_set_time()
359 	ds1685_rtc_end_data_access(rtc);  in ds1685_rtc_set_time()
380 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_read_alarm()  local
384 	ds1685_rtc_begin_data_access(rtc);  in ds1685_rtc_read_alarm()
385 	seconds	= rtc->read(rtc, RTC_SECS_ALARM);  in ds1685_rtc_read_alarm()
386 	minutes	= rtc->read(rtc, RTC_MINS_ALARM);  in ds1685_rtc_read_alarm()
387 	hours	= rtc->read(rtc, RTC_HRS_ALARM);  in ds1685_rtc_read_alarm()
388 	mday	= rtc->read(rtc, RTC_MDAY_ALARM);  in ds1685_rtc_read_alarm()
389 	ctrlb	= rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_read_alarm()
390 	ctrlc	= rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_read_alarm()
391 	ds1685_rtc_end_data_access(rtc);  in ds1685_rtc_read_alarm()
407 		alrm->time.tm_sec = ds1685_rtc_bcd2bin(rtc, seconds,  in ds1685_rtc_read_alarm()
414 		alrm->time.tm_min = ds1685_rtc_bcd2bin(rtc, minutes,  in ds1685_rtc_read_alarm()
421 		alrm->time.tm_hour = ds1685_rtc_bcd2bin(rtc, hours,  in ds1685_rtc_read_alarm()
426 	alrm->time.tm_mday = ds1685_rtc_bcd2bin(rtc, mday, RTC_MDAY_BCD_MASK,  in ds1685_rtc_read_alarm()
448 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_set_alarm()  local
452 	seconds	= ds1685_rtc_bin2bcd(rtc, alrm->time.tm_sec,  in ds1685_rtc_set_alarm()
455 	minutes	= ds1685_rtc_bin2bcd(rtc, alrm->time.tm_min,  in ds1685_rtc_set_alarm()
458 	hours	= ds1685_rtc_bin2bcd(rtc, alrm->time.tm_hour,  in ds1685_rtc_set_alarm()
461 	mday	= ds1685_rtc_bin2bcd(rtc, alrm->time.tm_mday,  in ds1685_rtc_set_alarm()
493 	ds1685_rtc_begin_data_access(rtc);  in ds1685_rtc_set_alarm()
494 	ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_set_alarm()
495 	rtc->write(rtc, RTC_CTRL_B, (ctrlb & ~(RTC_CTRL_B_AIE)));  in ds1685_rtc_set_alarm()
498 	rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_set_alarm()
504 	ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_set_alarm()
505 	if (rtc->bcd_mode)  in ds1685_rtc_set_alarm()
509 	rtc->write(rtc, RTC_CTRL_B, ctrlb);  in ds1685_rtc_set_alarm()
510 	rtc->write(rtc, RTC_SECS_ALARM, seconds);  in ds1685_rtc_set_alarm()
511 	rtc->write(rtc, RTC_MINS_ALARM, minutes);  in ds1685_rtc_set_alarm()
512 	rtc->write(rtc, RTC_HRS_ALARM, hours);  in ds1685_rtc_set_alarm()
513 	rtc->write(rtc, RTC_MDAY_ALARM, mday);  in ds1685_rtc_set_alarm()
517 		ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_set_alarm()
519 		rtc->write(rtc, RTC_CTRL_B, ctrlb);  in ds1685_rtc_set_alarm()
523 	ds1685_rtc_end_data_access(rtc);  in ds1685_rtc_set_alarm()
541 	struct ds1685_priv *rtc = dev_get_drvdata(dev);  in ds1685_rtc_alarm_irq_enable()  local
545 	spin_lock_irqsave(&rtc->lock, flags);  in ds1685_rtc_alarm_irq_enable()
549 		rtc->write(rtc, RTC_CTRL_B, (rtc->read(rtc, RTC_CTRL_B) |  in ds1685_rtc_alarm_irq_enable()
552 		rtc->write(rtc, RTC_CTRL_B, (rtc->read(rtc, RTC_CTRL_B) &  in ds1685_rtc_alarm_irq_enable()
556 	rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_alarm_irq_enable()
557 	spin_unlock_irqrestore(&rtc->lock, flags);  in ds1685_rtc_alarm_irq_enable()
576 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_irq_handler()  local
582 	if (unlikely(!rtc))  in ds1685_rtc_irq_handler()
586 	spin_lock(&rtc->lock);  in ds1685_rtc_irq_handler()
587 	ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_irq_handler()
588 	ctrlc = rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_irq_handler()
621 			rtc_update_irq(rtc->dev, num_irqs, events);  in ds1685_rtc_irq_handler()
631 			spin_unlock(&rtc->lock);  in ds1685_rtc_irq_handler()
632 			schedule_work(&rtc->work);  in ds1685_rtc_irq_handler()
633 			rtc_update_irq(rtc->dev, 0, 0);  in ds1685_rtc_irq_handler()
637 	spin_unlock(&rtc->lock);  in ds1685_rtc_irq_handler()
649 	struct ds1685_priv *rtc = container_of(work,  in ds1685_rtc_work_queue()  local
651 	struct platform_device *pdev = to_platform_device(&rtc->dev->dev);  in ds1685_rtc_work_queue()
652 	struct mutex *rtc_mutex = &rtc->dev->ops_lock;  in ds1685_rtc_work_queue()
657 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_work_queue()
658 	ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);  in ds1685_rtc_work_queue()
659 	ctrl4b = rtc->read(rtc, RTC_EXT_CTRL_4B);  in ds1685_rtc_work_queue()
668 		rtc->write(rtc, RTC_EXT_CTRL_4B,  in ds1685_rtc_work_queue()
669 			   (rtc->read(rtc, RTC_EXT_CTRL_4B) &  in ds1685_rtc_work_queue()
673 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_work_queue()
683 		rtc->write(rtc, RTC_EXT_CTRL_4B,  in ds1685_rtc_work_queue()
684 			   (rtc->read(rtc, RTC_EXT_CTRL_4B) |  in ds1685_rtc_work_queue()
688 		if (rtc->prepare_poweroff != NULL)  in ds1685_rtc_work_queue()
689 			rtc->prepare_poweroff();  in ds1685_rtc_work_queue()
701 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_work_queue()
705 		if (rtc->wake_alarm != NULL)  in ds1685_rtc_work_queue()
706 			rtc->wake_alarm();  in ds1685_rtc_work_queue()
723 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_work_queue()
728 		if (rtc->post_ram_clear != NULL)  in ds1685_rtc_work_queue()
729 			rtc->post_ram_clear();  in ds1685_rtc_work_queue()
734 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_work_queue()
802 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_proc()  local
810 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_proc()
811 	ds1685_rtc_get_ssn(rtc, ssn);  in ds1685_rtc_proc()
812 	ctrla = rtc->read(rtc, RTC_CTRL_A);  in ds1685_rtc_proc()
813 	ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_proc()
814 	ctrlc = rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_proc()
815 	ctrld = rtc->read(rtc, RTC_CTRL_D);  in ds1685_rtc_proc()
816 	ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);  in ds1685_rtc_proc()
817 	ctrl4b = rtc->read(rtc, RTC_EXT_CTRL_4B);  in ds1685_rtc_proc()
818 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_proc()
944 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_sysfs_nvram_read()  local
948 	spin_lock_irqsave(&rtc->lock, flags);  in ds1685_rtc_sysfs_nvram_read()
949 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_nvram_read()
955 			*buf++ = rtc->read(rtc, (NVRAM_TIME_BASE + pos++));  in ds1685_rtc_sysfs_nvram_read()
957 			*buf++ = rtc->read(rtc, (NVRAM_BANK0_BASE + pos++));  in ds1685_rtc_sysfs_nvram_read()
962 		ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_sysfs_nvram_read()
966 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_sysfs_nvram_read()
967 			   (rtc->read(rtc, RTC_EXT_CTRL_4A) |  in ds1685_rtc_sysfs_nvram_read()
972 		rtc->write(rtc, RTC_BANK1_RAM_ADDR_LSB,  in ds1685_rtc_sysfs_nvram_read()
982 			rtc->write(rtc, RTC_BANK1_RAM_ADDR,  in ds1685_rtc_sysfs_nvram_read()
985 			*buf++ = rtc->read(rtc, RTC_BANK1_RAM_DATA_PORT);  in ds1685_rtc_sysfs_nvram_read()
991 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_sysfs_nvram_read()
992 			   (rtc->read(rtc, RTC_EXT_CTRL_4A) &  in ds1685_rtc_sysfs_nvram_read()
995 		ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_nvram_read()
998 	spin_unlock_irqrestore(&rtc->lock, flags);  in ds1685_rtc_sysfs_nvram_read()
1024 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_sysfs_nvram_write()  local
1028 	spin_lock_irqsave(&rtc->lock, flags);  in ds1685_rtc_sysfs_nvram_write()
1029 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_nvram_write()
1035 			rtc->write(rtc, (NVRAM_TIME_BASE + pos++),  in ds1685_rtc_sysfs_nvram_write()
1038 			rtc->write(rtc, (NVRAM_BANK0_BASE), *buf++);  in ds1685_rtc_sysfs_nvram_write()
1042 		ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_sysfs_nvram_write()
1046 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_sysfs_nvram_write()
1047 			   (rtc->read(rtc, RTC_EXT_CTRL_4A) |  in ds1685_rtc_sysfs_nvram_write()
1052 		rtc->write(rtc, RTC_BANK1_RAM_ADDR_LSB,  in ds1685_rtc_sysfs_nvram_write()
1062 			rtc->write(rtc, RTC_BANK1_RAM_ADDR,  in ds1685_rtc_sysfs_nvram_write()
1065 			rtc->write(rtc, RTC_BANK1_RAM_DATA_PORT, *buf++);  in ds1685_rtc_sysfs_nvram_write()
1071 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_sysfs_nvram_write()
1072 			   (rtc->read(rtc, RTC_EXT_CTRL_4A) &  in ds1685_rtc_sysfs_nvram_write()
1075 		ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_nvram_write()
1078 	spin_unlock_irqrestore(&rtc->lock, flags);  in ds1685_rtc_sysfs_nvram_write()
1112 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_sysfs_battery_show()  local
1115 	ctrld = rtc->read(rtc, RTC_CTRL_D);  in ds1685_rtc_sysfs_battery_show()
1133 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_sysfs_auxbatt_show()  local
1136 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_sysfs_auxbatt_show()
1137 	ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);  in ds1685_rtc_sysfs_auxbatt_show()
1138 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_auxbatt_show()
1156 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_sysfs_serial_show()  local
1159 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_sysfs_serial_show()
1160 	ds1685_rtc_get_ssn(rtc, ssn);  in ds1685_rtc_sysfs_serial_show()
1161 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_serial_show()
1277 	struct ds1685_priv *rtc = dev_get_drvdata(dev);  in ds1685_rtc_sysfs_ctrl_regs_show()  local
1286 	ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_sysfs_ctrl_regs_show()
1287 	tmp = rtc->read(rtc, reg_info->reg) & reg_info->bit;  in ds1685_rtc_sysfs_ctrl_regs_show()
1288 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_sysfs_ctrl_regs_show()
1305 	struct ds1685_priv *rtc = dev_get_drvdata(dev);  in ds1685_rtc_sysfs_ctrl_regs_store()  local
1328 	ds1685_rtc_begin_ctrl_access(rtc, &flags);  in ds1685_rtc_sysfs_ctrl_regs_store()
1329 	tmp = rtc->read(rtc, reg);  in ds1685_rtc_sysfs_ctrl_regs_store()
1330 	rtc->write(rtc, reg, (val ? (tmp | bit) : (tmp & ~(bit))));  in ds1685_rtc_sysfs_ctrl_regs_store()
1331 	ds1685_rtc_end_ctrl_access(rtc, flags);  in ds1685_rtc_sysfs_ctrl_regs_store()
1608 	struct ds1685_priv *rtc = dev_get_drvdata(dev);  in ds1685_rtc_sysfs_time_regs_show()  local
1619 	ds1685_rtc_begin_data_access(rtc);  in ds1685_rtc_sysfs_time_regs_show()
1620 	tmp = rtc->read(rtc, bcd_reg_info->reg);  in ds1685_rtc_sysfs_time_regs_show()
1621 	ds1685_rtc_end_data_access(rtc);  in ds1685_rtc_sysfs_time_regs_show()
1623 	tmp = ds1685_rtc_bcd2bin(rtc, tmp, bcd_reg_info->mask,  in ds1685_rtc_sysfs_time_regs_show()
1642 	struct ds1685_priv *rtc = dev_get_drvdata(dev);  in ds1685_rtc_sysfs_time_regs_store()  local
1657 	if (rtc->bcd_mode) {  in ds1685_rtc_sysfs_time_regs_store()
1665 	val = ds1685_rtc_bin2bcd(rtc, val, bin_reg_info->mask,  in ds1685_rtc_sysfs_time_regs_store()
1669 	ds1685_rtc_begin_data_access(rtc);  in ds1685_rtc_sysfs_time_regs_store()
1670 	rtc->write(rtc, bcd_reg_info->reg, val);  in ds1685_rtc_sysfs_time_regs_store()
1671 	ds1685_rtc_end_data_access(rtc);  in ds1685_rtc_sysfs_time_regs_store()
1830 	struct ds1685_priv *rtc;  in ds1685_rtc_probe()  local
1842 	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);  in ds1685_rtc_probe()
1843 	if (!rtc)  in ds1685_rtc_probe()
1857 		rtc->size = resource_size(res);  in ds1685_rtc_probe()
1861 		if (!devm_request_mem_region(&pdev->dev, res->start, rtc->size,  in ds1685_rtc_probe()
1869 		rtc->baseaddr = res->start;  in ds1685_rtc_probe()
1870 		rtc->regs = devm_ioremap(&pdev->dev, res->start, rtc->size);  in ds1685_rtc_probe()
1871 		if (!rtc->regs)  in ds1685_rtc_probe()
1874 	rtc->alloc_io_resources = pdata->alloc_io_resources;  in ds1685_rtc_probe()
1878 		rtc->regstep = pdata->regstep;  in ds1685_rtc_probe()
1880 		rtc->regstep = 1;  in ds1685_rtc_probe()
1884 		rtc->read = pdata->plat_read;  in ds1685_rtc_probe()
1887 			rtc->read = ds1685_read;  in ds1685_rtc_probe()
1893 		rtc->write = pdata->plat_write;  in ds1685_rtc_probe()
1896 			rtc->write = ds1685_write;  in ds1685_rtc_probe()
1902 		rtc->prepare_poweroff = pdata->plat_prepare_poweroff;  in ds1685_rtc_probe()
1906 		rtc->wake_alarm = pdata->plat_wake_alarm;  in ds1685_rtc_probe()
1910 		rtc->post_ram_clear = pdata->plat_post_ram_clear;  in ds1685_rtc_probe()
1913 	spin_lock_init(&rtc->lock);  in ds1685_rtc_probe()
1914 	INIT_WORK(&rtc->work, ds1685_rtc_work_queue);  in ds1685_rtc_probe()
1915 	platform_set_drvdata(pdev, rtc);  in ds1685_rtc_probe()
1918 	ctrla = rtc->read(rtc, RTC_CTRL_A);  in ds1685_rtc_probe()
1933 	rtc->write(rtc, RTC_CTRL_A, ctrla);  in ds1685_rtc_probe()
1936 	rtc->write(rtc, RTC_EXT_CTRL_4B,  in ds1685_rtc_probe()
1937 		   (rtc->read(rtc, RTC_EXT_CTRL_4B) | RTC_CTRL_4B_E32K));  in ds1685_rtc_probe()
1940 	rtc->write(rtc, RTC_CTRL_B,  in ds1685_rtc_probe()
1941 		   (rtc->read(rtc, RTC_CTRL_B) | RTC_CTRL_B_SET));  in ds1685_rtc_probe()
1944 	while (rtc->read(rtc, RTC_EXT_CTRL_4A) & RTC_CTRL_4A_INCR)  in ds1685_rtc_probe()
1951 	ctrlb = rtc->read(rtc, RTC_CTRL_B);  in ds1685_rtc_probe()
1956 	rtc->bcd_mode = pdata->bcd_mode;  in ds1685_rtc_probe()
1969 		hours = rtc->read(rtc, RTC_HRS);  in ds1685_rtc_probe()
1971 		hours = ds1685_rtc_bcd2bin(rtc, hours, RTC_HRS_12_BCD_MASK,  in ds1685_rtc_probe()
1979 		rtc->write(rtc, RTC_CTRL_B, ctrlb);  in ds1685_rtc_probe()
1982 		rtc->write(rtc, RTC_HRS,  in ds1685_rtc_probe()
1983 			   ds1685_rtc_bin2bcd(rtc, hours,  in ds1685_rtc_probe()
1988 		hours = rtc->read(rtc, RTC_HRS_ALARM);  in ds1685_rtc_probe()
1990 		hours = ds1685_rtc_bcd2bin(rtc, hours, RTC_HRS_12_BCD_MASK,  in ds1685_rtc_probe()
1995 		rtc->write(rtc, RTC_HRS_ALARM,  in ds1685_rtc_probe()
1996 			   ds1685_rtc_bin2bcd(rtc, hours,  in ds1685_rtc_probe()
2001 		rtc->write(rtc, RTC_CTRL_B, ctrlb);  in ds1685_rtc_probe()
2005 	rtc->write(rtc, RTC_CTRL_B,  in ds1685_rtc_probe()
2006 		   (rtc->read(rtc, RTC_CTRL_B) & ~(RTC_CTRL_B_SET)));  in ds1685_rtc_probe()
2009 	if (!(rtc->read(rtc, RTC_CTRL_D) & RTC_CTRL_D_VRT))  in ds1685_rtc_probe()
2014 	if (!(rtc->read(rtc, RTC_EXT_CTRL_4A) & RTC_CTRL_4A_VRT2))  in ds1685_rtc_probe()
2019 	rtc->write(rtc, RTC_CTRL_B,  in ds1685_rtc_probe()
2020 		   (rtc->read(rtc, RTC_CTRL_B) & ~(RTC_CTRL_B_PAU_MASK)));  in ds1685_rtc_probe()
2023 	rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_probe()
2026 	rtc->write(rtc, RTC_EXT_CTRL_4B,  in ds1685_rtc_probe()
2027 		   (rtc->read(rtc, RTC_EXT_CTRL_4B) & ~(RTC_CTRL_4B_RWK_MASK)));  in ds1685_rtc_probe()
2030 	rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_probe()
2031 		   (rtc->read(rtc, RTC_EXT_CTRL_4A) & ~(RTC_CTRL_4A_RWK_MASK)));  in ds1685_rtc_probe()
2037 	rtc->write(rtc, RTC_EXT_CTRL_4B,  in ds1685_rtc_probe()
2038 		   (rtc->read(rtc, RTC_EXT_CTRL_4B) | RTC_CTRL_4B_KSE));  in ds1685_rtc_probe()
2051 			rtc->irq_num = ret;  in ds1685_rtc_probe()
2054 			ret = devm_request_irq(&pdev->dev, rtc->irq_num,  in ds1685_rtc_probe()
2062 				rtc->irq_num = 0;  in ds1685_rtc_probe()
2067 	rtc->no_irq = pdata->no_irq;  in ds1685_rtc_probe()
2070 	ds1685_rtc_switch_to_bank0(rtc);  in ds1685_rtc_probe()
2086 	rtc->uie_unsupported = pdata->uie_unsupported;  in ds1685_rtc_probe()
2088 	rtc->dev = rtc_dev;  in ds1685_rtc_probe()
2093 		rtc_device_unregister(rtc->dev);  in ds1685_rtc_probe()
2107 	struct ds1685_priv *rtc = platform_get_drvdata(pdev);  in ds1685_rtc_remove()  local
2113 	rtc_device_unregister(rtc->dev);  in ds1685_rtc_remove()
2116 	rtc->write(rtc, RTC_CTRL_B,  in ds1685_rtc_remove()
2117 		   (rtc->read(rtc, RTC_CTRL_B) &  in ds1685_rtc_remove()
2121 	rtc->read(rtc, RTC_CTRL_C);  in ds1685_rtc_remove()
2124 	rtc->write(rtc, RTC_EXT_CTRL_4B,  in ds1685_rtc_remove()
2125 		   (rtc->read(rtc, RTC_EXT_CTRL_4B) &  in ds1685_rtc_remove()
2129 	rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_remove()
2130 		   (rtc->read(rtc, RTC_EXT_CTRL_4A) &  in ds1685_rtc_remove()
2133 	cancel_work_sync(&rtc->work);  in ds1685_rtc_remove()
2163 	struct ds1685_priv *rtc;  in ds1685_rtc_poweroff()  local
2171 		rtc = platform_get_drvdata(pdev);  in ds1685_rtc_poweroff()
2179 		if (!rtc->no_irq)  in ds1685_rtc_poweroff()
2180 			disable_irq_nosync(rtc->irq_num);  in ds1685_rtc_poweroff()
2183 		ctrla = rtc->read(rtc, RTC_CTRL_A);  in ds1685_rtc_poweroff()
2186 		rtc->write(rtc, RTC_CTRL_A, ctrla);  in ds1685_rtc_poweroff()
2193 		ds1685_rtc_switch_to_bank1(rtc);  in ds1685_rtc_poweroff()
2194 		ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);  in ds1685_rtc_poweroff()
2198 			rtc->write(rtc, RTC_EXT_CTRL_4A, ctrl4a);  in ds1685_rtc_poweroff()
2206 			ctrl4b = rtc->read(rtc, RTC_EXT_CTRL_4B);  in ds1685_rtc_poweroff()
2209 			rtc->write(rtc, RTC_EXT_CTRL_4B, ctrl4b);  in ds1685_rtc_poweroff()
2215 		rtc->write(rtc, RTC_EXT_CTRL_4A,  in ds1685_rtc_poweroff()