65 #define rtt_readl(rtc, field) \  argument
66 	__raw_readl((rtc)->rtt + AT91_RTT_ ## field)
67 #define rtt_writel(rtc, field, val) \  argument
68 	__raw_writel((val), (rtc)->rtt + AT91_RTT_ ## field)
70 #define gpbr_readl(rtc) \  argument
71 	__raw_readl((rtc)->gpbr)
72 #define gpbr_writel(rtc, val) \  argument
73 	__raw_writel((val), (rtc)->gpbr)
80 	struct sam9_rtc *rtc = dev_get_drvdata(dev);  in at91_rtc_readtime()  local
85 	offset = gpbr_readl(rtc);  in at91_rtc_readtime()
90 	secs = rtt_readl(rtc, VR);  in at91_rtc_readtime()
91 	secs2 = rtt_readl(rtc, VR);  in at91_rtc_readtime()
93 		secs = rtt_readl(rtc, VR);  in at91_rtc_readtime()
109 	struct sam9_rtc *rtc = dev_get_drvdata(dev);  in at91_rtc_settime()  local
122 	mr = rtt_readl(rtc, MR);  in at91_rtc_settime()
125 	rtt_writel(rtc, MR, mr & ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN));  in at91_rtc_settime()
128 	offset = gpbr_readl(rtc);  in at91_rtc_settime()
132 	gpbr_writel(rtc, secs);  in at91_rtc_settime()
135 	alarm = rtt_readl(rtc, AR);  in at91_rtc_settime()
148 		rtt_writel(rtc, AR, alarm);  in at91_rtc_settime()
152 	rtt_writel(rtc, MR, mr | AT91_RTT_RTTRST);  in at91_rtc_settime()
159 	struct sam9_rtc *rtc = dev_get_drvdata(dev);  in at91_rtc_readalarm()  local
161 	u32 alarm = rtt_readl(rtc, AR);  in at91_rtc_readalarm()
164 	offset = gpbr_readl(rtc);  in at91_rtc_readalarm()
176 		if (rtt_readl(rtc, MR) & AT91_RTT_ALMIEN)  in at91_rtc_readalarm()
185 	struct sam9_rtc *rtc = dev_get_drvdata(dev);  in at91_rtc_setalarm()  local
196 	offset = gpbr_readl(rtc);  in at91_rtc_setalarm()
201 	mr = rtt_readl(rtc, MR);  in at91_rtc_setalarm()
202 	rtt_writel(rtc, MR, mr & ~AT91_RTT_ALMIEN);  in at91_rtc_setalarm()
206 		rtt_writel(rtc, AR, ALARM_DISABLED);  in at91_rtc_setalarm()
211 	rtt_writel(rtc, AR, secs - offset);  in at91_rtc_setalarm()
213 		rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);  in at91_rtc_setalarm()
224 	struct sam9_rtc *rtc = dev_get_drvdata(dev);  in at91_rtc_alarm_irq_enable()  local
225 	u32 mr = rtt_readl(rtc, MR);  in at91_rtc_alarm_irq_enable()
229 		rtt_writel(rtc, MR, mr | AT91_RTT_ALMIEN);  in at91_rtc_alarm_irq_enable()
231 		rtt_writel(rtc, MR, mr & ~AT91_RTT_ALMIEN);  in at91_rtc_alarm_irq_enable()
240 	struct sam9_rtc *rtc = dev_get_drvdata(dev);  in at91_rtc_proc()  local
241 	u32 mr = mr = rtt_readl(rtc, MR);  in at91_rtc_proc()
253 	struct sam9_rtc *rtc = _rtc;  in at91_rtc_interrupt()  local
260 	mr = rtt_readl(rtc, MR) & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);  in at91_rtc_interrupt()
261 	sr = rtt_readl(rtc, SR) & (mr >> 16);  in at91_rtc_interrupt()
273 	rtc_update_irq(rtc->rtcdev, 1, events);  in at91_rtc_interrupt()
296 	struct sam9_rtc	*rtc;  in at91_rtc_probe()  local
313 	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);  in at91_rtc_probe()
314 	if (!rtc)  in at91_rtc_probe()
317 	rtc->irq = irq;  in at91_rtc_probe()
323 	platform_set_drvdata(pdev, rtc);  in at91_rtc_probe()
324 	rtc->rtt = devm_ioremap(&pdev->dev, r->start, resource_size(r));  in at91_rtc_probe()
325 	if (!rtc->rtt) {  in at91_rtc_probe()
331 	rtc->gpbr = devm_ioremap(&pdev->dev, r_gpbr->start,  in at91_rtc_probe()
333 	if (!rtc->gpbr) {  in at91_rtc_probe()
339 	mr = rtt_readl(rtc, MR);  in at91_rtc_probe()
344 		gpbr_writel(rtc, 0);  in at91_rtc_probe()
349 	rtt_writel(rtc, MR, mr);  in at91_rtc_probe()
351 	rtc->rtcdev = devm_rtc_device_register(&pdev->dev, pdev->name,  in at91_rtc_probe()
353 	if (IS_ERR(rtc->rtcdev)) {  in at91_rtc_probe()
354 		ret = PTR_ERR(rtc->rtcdev);  in at91_rtc_probe()
359 	ret = devm_request_irq(&pdev->dev, rtc->irq, at91_rtc_interrupt,  in at91_rtc_probe()
360 				IRQF_SHARED, dev_name(&rtc->rtcdev->dev), rtc);  in at91_rtc_probe()
362 		dev_dbg(&pdev->dev, "can't share IRQ %d?\n", rtc->irq);  in at91_rtc_probe()
372 	if (gpbr_readl(rtc) == 0)  in at91_rtc_probe()
374 				dev_name(&rtc->rtcdev->dev));  in at91_rtc_probe()
388 	struct sam9_rtc	*rtc = platform_get_drvdata(pdev);  in at91_rtc_remove()  local
389 	u32		mr = rtt_readl(rtc, MR);  in at91_rtc_remove()
392 	rtt_writel(rtc, MR, mr & ~(AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN));  in at91_rtc_remove()
400 	struct sam9_rtc	*rtc = platform_get_drvdata(pdev);  in at91_rtc_shutdown()  local
401 	u32		mr = rtt_readl(rtc, MR);  in at91_rtc_shutdown()
403 	rtc->imr = mr & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);  in at91_rtc_shutdown()
404 	rtt_writel(rtc, MR, mr & ~rtc->imr);  in at91_rtc_shutdown()
413 	struct sam9_rtc	*rtc = dev_get_drvdata(dev);  in at91_rtc_suspend()  local
414 	u32		mr = rtt_readl(rtc, MR);  in at91_rtc_suspend()
420 	rtc->imr = mr & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);  in at91_rtc_suspend()
421 	if (rtc->imr) {  in at91_rtc_suspend()
423 			enable_irq_wake(rtc->irq);  in at91_rtc_suspend()
426 				rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN);  in at91_rtc_suspend()
428 			rtt_writel(rtc, MR, mr & ~rtc->imr);  in at91_rtc_suspend()
436 	struct sam9_rtc	*rtc = dev_get_drvdata(dev);  in at91_rtc_resume()  local
439 	if (rtc->imr) {  in at91_rtc_resume()
441 			disable_irq_wake(rtc->irq);  in at91_rtc_resume()
442 		mr = rtt_readl(rtc, MR);  in at91_rtc_resume()
443 		rtt_writel(rtc, MR, mr | rtc->imr);  in at91_rtc_resume()