85 #define rtc_readl(pxa_rtc, reg)	\  argument
86 	__raw_readl((pxa_rtc)->base + (reg))
87 #define rtc_writel(pxa_rtc, reg, value)	\  argument
88 	__raw_writel((value), (pxa_rtc)->base + (reg))
90 struct pxa_rtc {  struct
126 static void rtsr_clear_bits(struct pxa_rtc *pxa_rtc, u32 mask)  in rtsr_clear_bits()  argument
130 	rtsr = rtc_readl(pxa_rtc, RTSR);  in rtsr_clear_bits()
133 	rtc_writel(pxa_rtc, RTSR, rtsr);  in rtsr_clear_bits()
136 static void rtsr_set_bits(struct pxa_rtc *pxa_rtc, u32 mask)  in rtsr_set_bits()  argument
140 	rtsr = rtc_readl(pxa_rtc, RTSR);  in rtsr_set_bits()
143 	rtc_writel(pxa_rtc, RTSR, rtsr);  in rtsr_set_bits()
149 	struct pxa_rtc *pxa_rtc = platform_get_drvdata(pdev);  in pxa_rtc_irq()  local
153 	spin_lock(&pxa_rtc->lock);  in pxa_rtc_irq()
156 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_irq()
157 	rtc_writel(pxa_rtc, RTSR, rtsr);  in pxa_rtc_irq()
160 	rtsr_clear_bits(pxa_rtc, RTSR_RDALE1 | RTSR_PIALE | RTSR_HZE);  in pxa_rtc_irq()
174 	rtc_update_irq(pxa_rtc->rtc, 1, events);  in pxa_rtc_irq()
177 	rtc_writel(pxa_rtc, RTSR, rtsr & ~RTSR_TRIG_MASK);  in pxa_rtc_irq()
179 	spin_unlock(&pxa_rtc->lock);  in pxa_rtc_irq()
185 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_open()  local
188 	ret = request_irq(pxa_rtc->sa1100_rtc.irq_1hz, pxa_rtc_irq, 0,  in pxa_rtc_open()
192 			pxa_rtc->sa1100_rtc.irq_1hz, ret);  in pxa_rtc_open()
195 	ret = request_irq(pxa_rtc->sa1100_rtc.irq_alarm, pxa_rtc_irq, 0,  in pxa_rtc_open()
199 			pxa_rtc->sa1100_rtc.irq_alarm, ret);  in pxa_rtc_open()
206 	free_irq(pxa_rtc->sa1100_rtc.irq_1hz, dev);  in pxa_rtc_open()
213 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_release()  local
215 	spin_lock_irq(&pxa_rtc->lock);  in pxa_rtc_release()
216 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);  in pxa_rtc_release()
217 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_rtc_release()
219 	free_irq(pxa_rtc->sa1100_rtc.irq_1hz, dev);  in pxa_rtc_release()
220 	free_irq(pxa_rtc->sa1100_rtc.irq_alarm, dev);  in pxa_rtc_release()
225 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_alarm_irq_enable()  local
227 	spin_lock_irq(&pxa_rtc->lock);  in pxa_alarm_irq_enable()
230 		rtsr_set_bits(pxa_rtc, RTSR_RDALE1);  in pxa_alarm_irq_enable()
232 		rtsr_clear_bits(pxa_rtc, RTSR_RDALE1);  in pxa_alarm_irq_enable()
234 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_alarm_irq_enable()
240 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_read_time()  local
243 	rycr = rtc_readl(pxa_rtc, RYCR);  in pxa_rtc_read_time()
244 	rdcr = rtc_readl(pxa_rtc, RDCR);  in pxa_rtc_read_time()
252 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_set_time()  local
254 	rtc_writel(pxa_rtc, RYCR, ryxr_calc(tm));  in pxa_rtc_set_time()
255 	rtc_writel(pxa_rtc, RDCR, rdxr_calc(tm));  in pxa_rtc_set_time()
262 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_read_alarm()  local
265 	ryar = rtc_readl(pxa_rtc, RYAR1);  in pxa_rtc_read_alarm()
266 	rdar = rtc_readl(pxa_rtc, RDAR1);  in pxa_rtc_read_alarm()
269 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_read_alarm()
277 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_set_alarm()  local
280 	spin_lock_irq(&pxa_rtc->lock);  in pxa_rtc_set_alarm()
282 	rtc_writel(pxa_rtc, RYAR1, ryxr_calc(&alrm->time));  in pxa_rtc_set_alarm()
283 	rtc_writel(pxa_rtc, RDAR1, rdxr_calc(&alrm->time));  in pxa_rtc_set_alarm()
285 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_set_alarm()
290 	rtc_writel(pxa_rtc, RTSR, rtsr);  in pxa_rtc_set_alarm()
292 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_rtc_set_alarm()
299 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_proc()  local
301 	seq_printf(seq, "trim/divider\t: 0x%08x\n", rtc_readl(pxa_rtc, RTTR));  in pxa_rtc_proc()
303 		   (rtc_readl(pxa_rtc, RTSR) & RTSR_HZE) ? "yes" : "no");  in pxa_rtc_proc()
305 		   (rtc_readl(pxa_rtc, RTSR) & RTSR_PIALE) ? "yes" : "no");  in pxa_rtc_proc()
306 	seq_printf(seq, "periodic_freq\t: %u\n", rtc_readl(pxa_rtc, PIAR));  in pxa_rtc_proc()
323 	struct pxa_rtc *pxa_rtc;  in pxa_rtc_probe()  local
327 	pxa_rtc = devm_kzalloc(dev, sizeof(*pxa_rtc), GFP_KERNEL);  in pxa_rtc_probe()
328 	if (!pxa_rtc)  in pxa_rtc_probe()
330 	sa1100_rtc = &pxa_rtc->sa1100_rtc;  in pxa_rtc_probe()
332 	spin_lock_init(&pxa_rtc->lock);  in pxa_rtc_probe()
333 	platform_set_drvdata(pdev, pxa_rtc);  in pxa_rtc_probe()
335 	pxa_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0);  in pxa_rtc_probe()
336 	if (!pxa_rtc->ress) {  in pxa_rtc_probe()
352 	pxa_rtc->base = devm_ioremap(dev, pxa_rtc->ress->start,  in pxa_rtc_probe()
353 				resource_size(pxa_rtc->ress));  in pxa_rtc_probe()
354 	if (!pxa_rtc->base) {  in pxa_rtc_probe()
359 	sa1100_rtc->rcnr = pxa_rtc->base + 0x0;  in pxa_rtc_probe()
360 	sa1100_rtc->rtsr = pxa_rtc->base + 0x8;  in pxa_rtc_probe()
361 	sa1100_rtc->rtar = pxa_rtc->base + 0x4;  in pxa_rtc_probe()
362 	sa1100_rtc->rttr = pxa_rtc->base + 0xc;  in pxa_rtc_probe()
369 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);  in pxa_rtc_probe()
371 	pxa_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pxa-rtc",  in pxa_rtc_probe()
373 	if (IS_ERR(pxa_rtc->rtc)) {  in pxa_rtc_probe()
374 		ret = PTR_ERR(pxa_rtc->rtc);  in pxa_rtc_probe()
403 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_suspend()  local
406 		enable_irq_wake(pxa_rtc->sa1100_rtc.irq_alarm);  in pxa_rtc_suspend()
412 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_resume()  local
415 		disable_irq_wake(pxa_rtc->sa1100_rtc.irq_alarm);  in pxa_rtc_resume()