71 #define rtc_readl(pxa_rtc, reg)	\  argument
72 	__raw_readl((pxa_rtc)->base + (reg))
73 #define rtc_writel(pxa_rtc, reg, value)	\  argument
74 	__raw_writel((value), (pxa_rtc)->base + (reg))
76 struct pxa_rtc {  struct
112 static void rtsr_clear_bits(struct pxa_rtc *pxa_rtc, u32 mask)  in rtsr_clear_bits()  argument
116 	rtsr = rtc_readl(pxa_rtc, RTSR);  in rtsr_clear_bits()
119 	rtc_writel(pxa_rtc, RTSR, rtsr);  in rtsr_clear_bits()
122 static void rtsr_set_bits(struct pxa_rtc *pxa_rtc, u32 mask)  in rtsr_set_bits()  argument
126 	rtsr = rtc_readl(pxa_rtc, RTSR);  in rtsr_set_bits()
129 	rtc_writel(pxa_rtc, RTSR, rtsr);  in rtsr_set_bits()
134 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev_id);  in pxa_rtc_irq()  local
138 	spin_lock(&pxa_rtc->lock);  in pxa_rtc_irq()
141 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_irq()
142 	rtc_writel(pxa_rtc, RTSR, rtsr);  in pxa_rtc_irq()
145 	rtsr_clear_bits(pxa_rtc, RTSR_RDALE1 | RTSR_PIALE | RTSR_HZE);  in pxa_rtc_irq()
159 	rtc_update_irq(pxa_rtc->rtc, 1, events);  in pxa_rtc_irq()
162 	rtc_writel(pxa_rtc, RTSR, rtsr & ~RTSR_TRIG_MASK);  in pxa_rtc_irq()
164 	spin_unlock(&pxa_rtc->lock);  in pxa_rtc_irq()
170 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_open()  local
173 	ret = request_irq(pxa_rtc->sa1100_rtc.irq_1hz, pxa_rtc_irq, 0,  in pxa_rtc_open()
177 			pxa_rtc->sa1100_rtc.irq_1hz, ret);  in pxa_rtc_open()
180 	ret = request_irq(pxa_rtc->sa1100_rtc.irq_alarm, pxa_rtc_irq, 0,  in pxa_rtc_open()
184 			pxa_rtc->sa1100_rtc.irq_alarm, ret);  in pxa_rtc_open()
191 	free_irq(pxa_rtc->sa1100_rtc.irq_1hz, dev);  in pxa_rtc_open()
198 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_release()  local
200 	spin_lock_irq(&pxa_rtc->lock);  in pxa_rtc_release()
201 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);  in pxa_rtc_release()
202 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_rtc_release()
204 	free_irq(pxa_rtc->sa1100_rtc.irq_1hz, dev);  in pxa_rtc_release()
205 	free_irq(pxa_rtc->sa1100_rtc.irq_alarm, dev);  in pxa_rtc_release()
210 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_alarm_irq_enable()  local
212 	spin_lock_irq(&pxa_rtc->lock);  in pxa_alarm_irq_enable()
215 		rtsr_set_bits(pxa_rtc, RTSR_RDALE1);  in pxa_alarm_irq_enable()
217 		rtsr_clear_bits(pxa_rtc, RTSR_RDALE1);  in pxa_alarm_irq_enable()
219 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_alarm_irq_enable()
225 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_read_time()  local
228 	rycr = rtc_readl(pxa_rtc, RYCR);  in pxa_rtc_read_time()
229 	rdcr = rtc_readl(pxa_rtc, RDCR);  in pxa_rtc_read_time()
237 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_set_time()  local
239 	rtc_writel(pxa_rtc, RYCR, ryxr_calc(tm));  in pxa_rtc_set_time()
240 	rtc_writel(pxa_rtc, RDCR, rdxr_calc(tm));  in pxa_rtc_set_time()
247 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_read_alarm()  local
250 	ryar = rtc_readl(pxa_rtc, RYAR1);  in pxa_rtc_read_alarm()
251 	rdar = rtc_readl(pxa_rtc, RDAR1);  in pxa_rtc_read_alarm()
254 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_read_alarm()
262 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_set_alarm()  local
265 	spin_lock_irq(&pxa_rtc->lock);  in pxa_rtc_set_alarm()
267 	rtc_writel(pxa_rtc, RYAR1, ryxr_calc(&alrm->time));  in pxa_rtc_set_alarm()
268 	rtc_writel(pxa_rtc, RDAR1, rdxr_calc(&alrm->time));  in pxa_rtc_set_alarm()
270 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_set_alarm()
275 	rtc_writel(pxa_rtc, RTSR, rtsr);  in pxa_rtc_set_alarm()
277 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_rtc_set_alarm()
284 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_proc()  local
286 	seq_printf(seq, "trim/divider\t: 0x%08x\n", rtc_readl(pxa_rtc, RTTR));  in pxa_rtc_proc()
288 		   (rtc_readl(pxa_rtc, RTSR) & RTSR_HZE) ? "yes" : "no");  in pxa_rtc_proc()
290 		   (rtc_readl(pxa_rtc, RTSR) & RTSR_PIALE) ? "yes" : "no");  in pxa_rtc_proc()
291 	seq_printf(seq, "periodic_freq\t: %u\n", rtc_readl(pxa_rtc, PIAR));  in pxa_rtc_proc()
308 	struct pxa_rtc *pxa_rtc;  in pxa_rtc_probe()  local
312 	pxa_rtc = devm_kzalloc(dev, sizeof(*pxa_rtc), GFP_KERNEL);  in pxa_rtc_probe()
313 	if (!pxa_rtc)  in pxa_rtc_probe()
315 	sa1100_rtc = &pxa_rtc->sa1100_rtc;  in pxa_rtc_probe()
317 	spin_lock_init(&pxa_rtc->lock);  in pxa_rtc_probe()
318 	platform_set_drvdata(pdev, pxa_rtc);  in pxa_rtc_probe()
320 	pxa_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0);  in pxa_rtc_probe()
321 	if (!pxa_rtc->ress) {  in pxa_rtc_probe()
333 	pxa_rtc->base = devm_ioremap(dev, pxa_rtc->ress->start,  in pxa_rtc_probe()
334 				resource_size(pxa_rtc->ress));  in pxa_rtc_probe()
335 	if (!pxa_rtc->base) {  in pxa_rtc_probe()
342 	sa1100_rtc->rcnr = pxa_rtc->base + 0x0;  in pxa_rtc_probe()
343 	sa1100_rtc->rtsr = pxa_rtc->base + 0x8;  in pxa_rtc_probe()
344 	sa1100_rtc->rtar = pxa_rtc->base + 0x4;  in pxa_rtc_probe()
345 	sa1100_rtc->rttr = pxa_rtc->base + 0xc;  in pxa_rtc_probe()
352 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);  in pxa_rtc_probe()
354 	pxa_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pxa-rtc",  in pxa_rtc_probe()
356 	if (IS_ERR(pxa_rtc->rtc)) {  in pxa_rtc_probe()
357 		ret = PTR_ERR(pxa_rtc->rtc);  in pxa_rtc_probe()
386 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_suspend()  local
389 		enable_irq_wake(pxa_rtc->sa1100_rtc.irq_alarm);  in pxa_rtc_suspend()
395 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_resume()  local
398 		disable_irq_wake(pxa_rtc->sa1100_rtc.irq_alarm);  in pxa_rtc_resume()