83 #define rtc_readl(pxa_rtc, reg)	\  argument
84 	__raw_readl((pxa_rtc)->base + (reg))
85 #define rtc_writel(pxa_rtc, reg, value)	\  argument
86 	__raw_writel((value), (pxa_rtc)->base + (reg))
88 struct pxa_rtc {  struct
125 static void rtsr_clear_bits(struct pxa_rtc *pxa_rtc, u32 mask)  in rtsr_clear_bits()  argument
129 	rtsr = rtc_readl(pxa_rtc, RTSR);  in rtsr_clear_bits()
132 	rtc_writel(pxa_rtc, RTSR, rtsr);  in rtsr_clear_bits()
135 static void rtsr_set_bits(struct pxa_rtc *pxa_rtc, u32 mask)  in rtsr_set_bits()  argument
139 	rtsr = rtc_readl(pxa_rtc, RTSR);  in rtsr_set_bits()
142 	rtc_writel(pxa_rtc, RTSR, rtsr);  in rtsr_set_bits()
148 	struct pxa_rtc *pxa_rtc = platform_get_drvdata(pdev);  in pxa_rtc_irq()  local
152 	spin_lock(&pxa_rtc->lock);  in pxa_rtc_irq()
155 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_irq()
156 	rtc_writel(pxa_rtc, RTSR, rtsr);  in pxa_rtc_irq()
159 	rtsr_clear_bits(pxa_rtc, RTSR_RDALE1 | RTSR_PIALE | RTSR_HZE);  in pxa_rtc_irq()
173 	rtc_update_irq(pxa_rtc->rtc, 1, events);  in pxa_rtc_irq()
176 	rtc_writel(pxa_rtc, RTSR, rtsr & ~RTSR_TRIG_MASK);  in pxa_rtc_irq()
178 	spin_unlock(&pxa_rtc->lock);  in pxa_rtc_irq()
184 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_open()  local
187 	ret = request_irq(pxa_rtc->irq_1Hz, pxa_rtc_irq, 0,  in pxa_rtc_open()
190 		dev_err(dev, "can't get irq %i, err %d\n", pxa_rtc->irq_1Hz,  in pxa_rtc_open()
194 	ret = request_irq(pxa_rtc->irq_Alrm, pxa_rtc_irq, 0,  in pxa_rtc_open()
197 		dev_err(dev, "can't get irq %i, err %d\n", pxa_rtc->irq_Alrm,  in pxa_rtc_open()
205 	free_irq(pxa_rtc->irq_1Hz, dev);  in pxa_rtc_open()
212 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_release()  local
214 	spin_lock_irq(&pxa_rtc->lock);  in pxa_rtc_release()
215 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);  in pxa_rtc_release()
216 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_rtc_release()
218 	free_irq(pxa_rtc->irq_Alrm, dev);  in pxa_rtc_release()
219 	free_irq(pxa_rtc->irq_1Hz, dev);  in pxa_rtc_release()
224 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_alarm_irq_enable()  local
226 	spin_lock_irq(&pxa_rtc->lock);  in pxa_alarm_irq_enable()
229 		rtsr_set_bits(pxa_rtc, RTSR_RDALE1);  in pxa_alarm_irq_enable()
231 		rtsr_clear_bits(pxa_rtc, RTSR_RDALE1);  in pxa_alarm_irq_enable()
233 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_alarm_irq_enable()
239 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_read_time()  local
242 	rycr = rtc_readl(pxa_rtc, RYCR);  in pxa_rtc_read_time()
243 	rdcr = rtc_readl(pxa_rtc, RDCR);  in pxa_rtc_read_time()
251 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_set_time()  local
253 	rtc_writel(pxa_rtc, RYCR, ryxr_calc(tm));  in pxa_rtc_set_time()
254 	rtc_writel(pxa_rtc, RDCR, rdxr_calc(tm));  in pxa_rtc_set_time()
261 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_read_alarm()  local
264 	ryar = rtc_readl(pxa_rtc, RYAR1);  in pxa_rtc_read_alarm()
265 	rdar = rtc_readl(pxa_rtc, RDAR1);  in pxa_rtc_read_alarm()
268 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_read_alarm()
276 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_set_alarm()  local
279 	spin_lock_irq(&pxa_rtc->lock);  in pxa_rtc_set_alarm()
281 	rtc_writel(pxa_rtc, RYAR1, ryxr_calc(&alrm->time));  in pxa_rtc_set_alarm()
282 	rtc_writel(pxa_rtc, RDAR1, rdxr_calc(&alrm->time));  in pxa_rtc_set_alarm()
284 	rtsr = rtc_readl(pxa_rtc, RTSR);  in pxa_rtc_set_alarm()
289 	rtc_writel(pxa_rtc, RTSR, rtsr);  in pxa_rtc_set_alarm()
291 	spin_unlock_irq(&pxa_rtc->lock);  in pxa_rtc_set_alarm()
298 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_proc()  local
300 	seq_printf(seq, "trim/divider\t: 0x%08x\n", rtc_readl(pxa_rtc, RTTR));  in pxa_rtc_proc()
302 		   (rtc_readl(pxa_rtc, RTSR) & RTSR_HZE) ? "yes" : "no");  in pxa_rtc_proc()
304 		   (rtc_readl(pxa_rtc, RTSR) & RTSR_PIALE) ? "yes" : "no");  in pxa_rtc_proc()
305 	seq_printf(seq, "periodic_freq\t: %u\n", rtc_readl(pxa_rtc, PIAR));  in pxa_rtc_proc()
322 	struct pxa_rtc *pxa_rtc;  in pxa_rtc_probe()  local
326 	pxa_rtc = devm_kzalloc(dev, sizeof(*pxa_rtc), GFP_KERNEL);  in pxa_rtc_probe()
327 	if (!pxa_rtc)  in pxa_rtc_probe()
330 	spin_lock_init(&pxa_rtc->lock);  in pxa_rtc_probe()
331 	platform_set_drvdata(pdev, pxa_rtc);  in pxa_rtc_probe()
333 	pxa_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0);  in pxa_rtc_probe()
334 	if (!pxa_rtc->ress) {  in pxa_rtc_probe()
339 	pxa_rtc->irq_1Hz = platform_get_irq(pdev, 0);  in pxa_rtc_probe()
340 	if (pxa_rtc->irq_1Hz < 0) {  in pxa_rtc_probe()
344 	pxa_rtc->irq_Alrm = platform_get_irq(pdev, 1);  in pxa_rtc_probe()
345 	if (pxa_rtc->irq_Alrm < 0) {  in pxa_rtc_probe()
350 	pxa_rtc->base = devm_ioremap(dev, pxa_rtc->ress->start,  in pxa_rtc_probe()
351 				resource_size(pxa_rtc->ress));  in pxa_rtc_probe()
352 	if (!pxa_rtc->base) {  in pxa_rtc_probe()
361 	if (rtc_readl(pxa_rtc, RTTR) == 0) {  in pxa_rtc_probe()
363 		rtc_writel(pxa_rtc, RTTR, rttr);  in pxa_rtc_probe()
368 	rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_RDALE1 | RTSR_HZE);  in pxa_rtc_probe()
370 	pxa_rtc->rtc = devm_rtc_device_register(&pdev->dev, "pxa-rtc",  in pxa_rtc_probe()
372 	if (IS_ERR(pxa_rtc->rtc)) {  in pxa_rtc_probe()
373 		ret = PTR_ERR(pxa_rtc->rtc);  in pxa_rtc_probe()
402 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_suspend()  local
405 		enable_irq_wake(pxa_rtc->irq_Alrm);  in pxa_rtc_suspend()
411 	struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);  in pxa_rtc_resume()  local
414 		disable_irq_wake(pxa_rtc->irq_Alrm);  in pxa_rtc_resume()