128 	void (*lock)(struct omap_rtc *rtc);
129 	void (*unlock)(struct omap_rtc *rtc);
133 	struct rtc_device *rtc;  member
142 static inline u8 rtc_read(struct omap_rtc *rtc, unsigned int reg)  in rtc_read()  argument
144 	return readb(rtc->base + reg);  in rtc_read()
147 static inline u32 rtc_readl(struct omap_rtc *rtc, unsigned int reg)  in rtc_readl()  argument
149 	return readl(rtc->base + reg);  in rtc_readl()
152 static inline void rtc_write(struct omap_rtc *rtc, unsigned int reg, u8 val)  in rtc_write()  argument
154 	writeb(val, rtc->base + reg);  in rtc_write()
157 static inline void rtc_writel(struct omap_rtc *rtc, unsigned int reg, u32 val)  in rtc_writel()  argument
159 	writel(val, rtc->base + reg);  in rtc_writel()
162 static void am3352_rtc_unlock(struct omap_rtc *rtc)  in am3352_rtc_unlock()  argument
164 	rtc_writel(rtc, OMAP_RTC_KICK0_REG, KICK0_VALUE);  in am3352_rtc_unlock()
165 	rtc_writel(rtc, OMAP_RTC_KICK1_REG, KICK1_VALUE);  in am3352_rtc_unlock()
168 static void am3352_rtc_lock(struct omap_rtc *rtc)  in am3352_rtc_lock()  argument
170 	rtc_writel(rtc, OMAP_RTC_KICK0_REG, 0);  in am3352_rtc_lock()
171 	rtc_writel(rtc, OMAP_RTC_KICK1_REG, 0);  in am3352_rtc_lock()
174 static void default_rtc_unlock(struct omap_rtc *rtc)  in default_rtc_unlock()  argument
178 static void default_rtc_lock(struct omap_rtc *rtc)  in default_rtc_lock()  argument
187 static void rtc_wait_not_busy(struct omap_rtc *rtc)  in rtc_wait_not_busy()  argument
194 		status = rtc_read(rtc, OMAP_RTC_STATUS_REG);  in rtc_wait_not_busy()
204 	struct omap_rtc	*rtc = dev_id;  in rtc_irq()  local
208 	irq_data = rtc_read(rtc, OMAP_RTC_STATUS_REG);  in rtc_irq()
212 		rtc->type->unlock(rtc);  in rtc_irq()
213 		rtc_write(rtc, OMAP_RTC_STATUS_REG, OMAP_RTC_STATUS_ALARM);  in rtc_irq()
214 		rtc->type->lock(rtc);  in rtc_irq()
222 	rtc_update_irq(rtc->rtc, 1, events);  in rtc_irq()
229 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_alarm_irq_enable()  local
233 	rtc_wait_not_busy(rtc);  in omap_rtc_alarm_irq_enable()
234 	reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);  in omap_rtc_alarm_irq_enable()
235 	if (rtc->type->has_irqwakeen)  in omap_rtc_alarm_irq_enable()
236 		irqwake_reg = rtc_read(rtc, OMAP_RTC_IRQWAKEEN);  in omap_rtc_alarm_irq_enable()
245 	rtc_wait_not_busy(rtc);  in omap_rtc_alarm_irq_enable()
246 	rtc->type->unlock(rtc);  in omap_rtc_alarm_irq_enable()
247 	rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, reg);  in omap_rtc_alarm_irq_enable()
248 	if (rtc->type->has_irqwakeen)  in omap_rtc_alarm_irq_enable()
249 		rtc_write(rtc, OMAP_RTC_IRQWAKEEN, irqwake_reg);  in omap_rtc_alarm_irq_enable()
250 	rtc->type->lock(rtc);  in omap_rtc_alarm_irq_enable()
288 static void omap_rtc_read_time_raw(struct omap_rtc *rtc, struct rtc_time *tm)  in omap_rtc_read_time_raw()  argument
290 	tm->tm_sec = rtc_read(rtc, OMAP_RTC_SECONDS_REG);  in omap_rtc_read_time_raw()
291 	tm->tm_min = rtc_read(rtc, OMAP_RTC_MINUTES_REG);  in omap_rtc_read_time_raw()
292 	tm->tm_hour = rtc_read(rtc, OMAP_RTC_HOURS_REG);  in omap_rtc_read_time_raw()
293 	tm->tm_mday = rtc_read(rtc, OMAP_RTC_DAYS_REG);  in omap_rtc_read_time_raw()
294 	tm->tm_mon = rtc_read(rtc, OMAP_RTC_MONTHS_REG);  in omap_rtc_read_time_raw()
295 	tm->tm_year = rtc_read(rtc, OMAP_RTC_YEARS_REG);  in omap_rtc_read_time_raw()
300 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_read_time()  local
304 	rtc_wait_not_busy(rtc);  in omap_rtc_read_time()
305 	omap_rtc_read_time_raw(rtc, tm);  in omap_rtc_read_time()
315 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_set_time()  local
321 	rtc_wait_not_busy(rtc);  in omap_rtc_set_time()
323 	rtc->type->unlock(rtc);  in omap_rtc_set_time()
324 	rtc_write(rtc, OMAP_RTC_YEARS_REG, tm->tm_year);  in omap_rtc_set_time()
325 	rtc_write(rtc, OMAP_RTC_MONTHS_REG, tm->tm_mon);  in omap_rtc_set_time()
326 	rtc_write(rtc, OMAP_RTC_DAYS_REG, tm->tm_mday);  in omap_rtc_set_time()
327 	rtc_write(rtc, OMAP_RTC_HOURS_REG, tm->tm_hour);  in omap_rtc_set_time()
328 	rtc_write(rtc, OMAP_RTC_MINUTES_REG, tm->tm_min);  in omap_rtc_set_time()
329 	rtc_write(rtc, OMAP_RTC_SECONDS_REG, tm->tm_sec);  in omap_rtc_set_time()
330 	rtc->type->lock(rtc);  in omap_rtc_set_time()
339 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_read_alarm()  local
343 	rtc_wait_not_busy(rtc);  in omap_rtc_read_alarm()
345 	alm->time.tm_sec = rtc_read(rtc, OMAP_RTC_ALARM_SECONDS_REG);  in omap_rtc_read_alarm()
346 	alm->time.tm_min = rtc_read(rtc, OMAP_RTC_ALARM_MINUTES_REG);  in omap_rtc_read_alarm()
347 	alm->time.tm_hour = rtc_read(rtc, OMAP_RTC_ALARM_HOURS_REG);  in omap_rtc_read_alarm()
348 	alm->time.tm_mday = rtc_read(rtc, OMAP_RTC_ALARM_DAYS_REG);  in omap_rtc_read_alarm()
349 	alm->time.tm_mon = rtc_read(rtc, OMAP_RTC_ALARM_MONTHS_REG);  in omap_rtc_read_alarm()
350 	alm->time.tm_year = rtc_read(rtc, OMAP_RTC_ALARM_YEARS_REG);  in omap_rtc_read_alarm()
356 	interrupts = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);  in omap_rtc_read_alarm()
364 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_set_alarm()  local
371 	rtc_wait_not_busy(rtc);  in omap_rtc_set_alarm()
373 	rtc->type->unlock(rtc);  in omap_rtc_set_alarm()
374 	rtc_write(rtc, OMAP_RTC_ALARM_YEARS_REG, alm->time.tm_year);  in omap_rtc_set_alarm()
375 	rtc_write(rtc, OMAP_RTC_ALARM_MONTHS_REG, alm->time.tm_mon);  in omap_rtc_set_alarm()
376 	rtc_write(rtc, OMAP_RTC_ALARM_DAYS_REG, alm->time.tm_mday);  in omap_rtc_set_alarm()
377 	rtc_write(rtc, OMAP_RTC_ALARM_HOURS_REG, alm->time.tm_hour);  in omap_rtc_set_alarm()
378 	rtc_write(rtc, OMAP_RTC_ALARM_MINUTES_REG, alm->time.tm_min);  in omap_rtc_set_alarm()
379 	rtc_write(rtc, OMAP_RTC_ALARM_SECONDS_REG, alm->time.tm_sec);  in omap_rtc_set_alarm()
381 	reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);  in omap_rtc_set_alarm()
382 	if (rtc->type->has_irqwakeen)  in omap_rtc_set_alarm()
383 		irqwake_reg = rtc_read(rtc, OMAP_RTC_IRQWAKEEN);  in omap_rtc_set_alarm()
392 	rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, reg);  in omap_rtc_set_alarm()
393 	if (rtc->type->has_irqwakeen)  in omap_rtc_set_alarm()
394 		rtc_write(rtc, OMAP_RTC_IRQWAKEEN, irqwake_reg);  in omap_rtc_set_alarm()
395 	rtc->type->lock(rtc);  in omap_rtc_set_alarm()
420 	struct omap_rtc *rtc = omap_rtc_power_off_rtc;  in omap_rtc_power_off()  local
425 	rtc->type->unlock(rtc);  in omap_rtc_power_off()
427 	val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);  in omap_rtc_power_off()
428 	rtc_writel(rtc, OMAP_RTC_PMIC_REG, val | OMAP_RTC_PMIC_POWER_EN_EN);  in omap_rtc_power_off()
431 	omap_rtc_read_time_raw(rtc, &tm);  in omap_rtc_power_off()
437 		dev_err(&rtc->rtc->dev, "power off failed\n");  in omap_rtc_power_off()
441 	rtc_wait_not_busy(rtc);  in omap_rtc_power_off()
443 	rtc_write(rtc, OMAP_RTC_ALARM2_SECONDS_REG, tm.tm_sec);  in omap_rtc_power_off()
444 	rtc_write(rtc, OMAP_RTC_ALARM2_MINUTES_REG, tm.tm_min);  in omap_rtc_power_off()
445 	rtc_write(rtc, OMAP_RTC_ALARM2_HOURS_REG, tm.tm_hour);  in omap_rtc_power_off()
446 	rtc_write(rtc, OMAP_RTC_ALARM2_DAYS_REG, tm.tm_mday);  in omap_rtc_power_off()
447 	rtc_write(rtc, OMAP_RTC_ALARM2_MONTHS_REG, tm.tm_mon);  in omap_rtc_power_off()
448 	rtc_write(rtc, OMAP_RTC_ALARM2_YEARS_REG, tm.tm_year);  in omap_rtc_power_off()
455 	val = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);  in omap_rtc_power_off()
456 	rtc_writel(rtc, OMAP_RTC_INTERRUPTS_REG,  in omap_rtc_power_off()
458 	rtc->type->lock(rtc);  in omap_rtc_power_off()
526 	struct omap_rtc	*rtc;  in omap_rtc_probe()  local
533 	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);  in omap_rtc_probe()
534 	if (!rtc)  in omap_rtc_probe()
539 		rtc->type = of_id->data;  in omap_rtc_probe()
540 		rtc->is_pmic_controller = rtc->type->has_pmic_mode &&  in omap_rtc_probe()
545 		rtc->type = (void *)id_entry->driver_data;  in omap_rtc_probe()
548 	rtc->irq_timer = platform_get_irq(pdev, 0);  in omap_rtc_probe()
549 	if (rtc->irq_timer <= 0)  in omap_rtc_probe()
552 	rtc->irq_alarm = platform_get_irq(pdev, 1);  in omap_rtc_probe()
553 	if (rtc->irq_alarm <= 0)  in omap_rtc_probe()
557 	rtc->base = devm_ioremap_resource(&pdev->dev, res);  in omap_rtc_probe()
558 	if (IS_ERR(rtc->base))  in omap_rtc_probe()
559 		return PTR_ERR(rtc->base);  in omap_rtc_probe()
561 	platform_set_drvdata(pdev, rtc);  in omap_rtc_probe()
567 	rtc->type->unlock(rtc);  in omap_rtc_probe()
574 	rtc_writel(rtc, OMAP_RTC_INTERRUPTS_REG, 0);  in omap_rtc_probe()
577 	if (rtc->type->has_32kclk_en) {  in omap_rtc_probe()
578 		reg = rtc_read(rtc, OMAP_RTC_OSC_REG);  in omap_rtc_probe()
579 		rtc_writel(rtc, OMAP_RTC_OSC_REG,  in omap_rtc_probe()
584 	reg = rtc_read(rtc, OMAP_RTC_STATUS_REG);  in omap_rtc_probe()
588 	if (rtc->type->has_pmic_mode)  in omap_rtc_probe()
591 	if (rtc->type->has_power_up_reset) {  in omap_rtc_probe()
598 		rtc_write(rtc, OMAP_RTC_STATUS_REG, reg & mask);  in omap_rtc_probe()
601 	reg = rtc_read(rtc, OMAP_RTC_CTRL_REG);  in omap_rtc_probe()
628 		rtc_write(rtc, OMAP_RTC_CTRL_REG, new_ctrl);  in omap_rtc_probe()
630 	rtc->type->lock(rtc);  in omap_rtc_probe()
634 	rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in omap_rtc_probe()
636 	if (IS_ERR(rtc->rtc)) {  in omap_rtc_probe()
637 		ret = PTR_ERR(rtc->rtc);  in omap_rtc_probe()
642 	ret = devm_request_irq(&pdev->dev, rtc->irq_timer, rtc_irq, 0,  in omap_rtc_probe()
643 			dev_name(&rtc->rtc->dev), rtc);  in omap_rtc_probe()
647 	if (rtc->irq_timer != rtc->irq_alarm) {  in omap_rtc_probe()
648 		ret = devm_request_irq(&pdev->dev, rtc->irq_alarm, rtc_irq, 0,  in omap_rtc_probe()
649 				dev_name(&rtc->rtc->dev), rtc);  in omap_rtc_probe()
654 	if (rtc->is_pmic_controller) {  in omap_rtc_probe()
656 			omap_rtc_power_off_rtc = rtc;  in omap_rtc_probe()
665 	rtc->type->lock(rtc);  in omap_rtc_probe()
674 	struct omap_rtc *rtc = platform_get_drvdata(pdev);  in omap_rtc_remove()  local
677 			omap_rtc_power_off_rtc == rtc) {  in omap_rtc_remove()
684 	rtc->type->unlock(rtc);  in omap_rtc_remove()
686 	rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0);  in omap_rtc_remove()
688 	rtc->type->lock(rtc);  in omap_rtc_remove()
700 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_suspend()  local
702 	rtc->interrupts_reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);  in omap_rtc_suspend()
704 	rtc->type->unlock(rtc);  in omap_rtc_suspend()
711 		enable_irq_wake(rtc->irq_alarm);  in omap_rtc_suspend()
713 		rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0);  in omap_rtc_suspend()
714 	rtc->type->lock(rtc);  in omap_rtc_suspend()
724 	struct omap_rtc *rtc = dev_get_drvdata(dev);  in omap_rtc_resume()  local
729 	rtc->type->unlock(rtc);  in omap_rtc_resume()
731 		disable_irq_wake(rtc->irq_alarm);  in omap_rtc_resume()
733 		rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, rtc->interrupts_reg);  in omap_rtc_resume()
734 	rtc->type->lock(rtc);  in omap_rtc_resume()
744 	struct omap_rtc *rtc = platform_get_drvdata(pdev);  in omap_rtc_shutdown()  local
751 	rtc->type->unlock(rtc);  in omap_rtc_shutdown()
752 	mask = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG);  in omap_rtc_shutdown()
754 	rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, mask);  in omap_rtc_shutdown()
755 	rtc->type->lock(rtc);  in omap_rtc_shutdown()