52 	struct sa1100_rtc *info = dev_get_drvdata(dev_id);  in sa1100_rtc_interrupt()  local
53 	struct rtc_device *rtc = info->rtc;  in sa1100_rtc_interrupt()
57 	spin_lock(&info->lock);  in sa1100_rtc_interrupt()
59 	rtsr = readl_relaxed(info->rtsr);  in sa1100_rtc_interrupt()
61 	writel_relaxed(0, info->rtsr);  in sa1100_rtc_interrupt()
68 		writel_relaxed((RTSR_AL | RTSR_HZ) & (rtsr >> 2), info->rtsr);  in sa1100_rtc_interrupt()
77 		writel_relaxed(RTSR_AL | RTSR_HZ, info->rtsr);  in sa1100_rtc_interrupt()
83 	writel_relaxed(rtsr & (RTSR_ALE | RTSR_HZE), info->rtsr);  in sa1100_rtc_interrupt()
93 	spin_unlock(&info->lock);  in sa1100_rtc_interrupt()
100 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_open()  local
101 	struct rtc_device *rtc = info->rtc;  in sa1100_rtc_open()
104 	ret = request_irq(info->irq_1hz, sa1100_rtc_interrupt, 0, "rtc 1Hz", dev);  in sa1100_rtc_open()
106 		dev_err(dev, "IRQ %d already in use.\n", info->irq_1hz);  in sa1100_rtc_open()
109 	ret = request_irq(info->irq_alarm, sa1100_rtc_interrupt, 0, "rtc Alrm", dev);  in sa1100_rtc_open()
111 		dev_err(dev, "IRQ %d already in use.\n", info->irq_alarm);  in sa1100_rtc_open()
120 	free_irq(info->irq_1hz, dev);  in sa1100_rtc_open()
122 	clk_disable_unprepare(info->clk);  in sa1100_rtc_open()
128 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_release()  local
130 	spin_lock_irq(&info->lock);  in sa1100_rtc_release()
131 	writel_relaxed(0, info->rtsr);  in sa1100_rtc_release()
132 	spin_unlock_irq(&info->lock);  in sa1100_rtc_release()
134 	free_irq(info->irq_alarm, dev);  in sa1100_rtc_release()
135 	free_irq(info->irq_1hz, dev);  in sa1100_rtc_release()
141 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_alarm_irq_enable()  local
143 	spin_lock_irq(&info->lock);  in sa1100_rtc_alarm_irq_enable()
144 	rtsr = readl_relaxed(info->rtsr);  in sa1100_rtc_alarm_irq_enable()
149 	writel_relaxed(rtsr, info->rtsr);  in sa1100_rtc_alarm_irq_enable()
150 	spin_unlock_irq(&info->lock);  in sa1100_rtc_alarm_irq_enable()
156 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_read_time()  local
158 	rtc_time_to_tm(readl_relaxed(info->rcnr), tm);  in sa1100_rtc_read_time()
164 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_set_time()  local
170 		writel_relaxed(time, info->rcnr);  in sa1100_rtc_set_time()
177 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_read_alarm()  local
179 	rtsr = readl_relaxed(info->rtsr);  in sa1100_rtc_read_alarm()
187 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_set_alarm()  local
191 	spin_lock_irq(&info->lock);  in sa1100_rtc_set_alarm()
195 	writel_relaxed(readl_relaxed(info->rtsr) &  in sa1100_rtc_set_alarm()
196 		(RTSR_HZE | RTSR_ALE | RTSR_AL), info->rtsr);  in sa1100_rtc_set_alarm()
197 	writel_relaxed(time, info->rtar);  in sa1100_rtc_set_alarm()
199 		writel_relaxed(readl_relaxed(info->rtsr) | RTSR_ALE, info->rtsr);  in sa1100_rtc_set_alarm()
201 		writel_relaxed(readl_relaxed(info->rtsr) & ~RTSR_ALE, info->rtsr);  in sa1100_rtc_set_alarm()
203 	spin_unlock_irq(&info->lock);  in sa1100_rtc_set_alarm()
210 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_proc()  local
212 	seq_printf(seq, "trim/divider\t\t: 0x%08x\n", readl_relaxed(info->rttr));  in sa1100_rtc_proc()
213 	seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", readl_relaxed(info->rtsr));  in sa1100_rtc_proc()
229 int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)  in sa1100_rtc_init()  argument
234 	spin_lock_init(&info->lock);  in sa1100_rtc_init()
236 	info->clk = devm_clk_get(&pdev->dev, NULL);  in sa1100_rtc_init()
237 	if (IS_ERR(info->clk)) {  in sa1100_rtc_init()
239 		return PTR_ERR(info->clk);  in sa1100_rtc_init()
242 	ret = clk_prepare_enable(info->clk);  in sa1100_rtc_init()
252 	if (readl_relaxed(info->rttr) == 0) {  in sa1100_rtc_init()
253 		writel_relaxed(RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16), info->rttr);  in sa1100_rtc_init()
257 		writel_relaxed(0, info->rcnr);  in sa1100_rtc_init()
263 		clk_disable_unprepare(info->clk);  in sa1100_rtc_init()
266 	info->rtc = rtc;  in sa1100_rtc_init()
290 	writel_relaxed(RTSR_AL | RTSR_HZ, info->rtsr);  in sa1100_rtc_init()
298 	struct sa1100_rtc *info;  in sa1100_rtc_probe()  local
308 	info = devm_kzalloc(&pdev->dev, sizeof(struct sa1100_rtc), GFP_KERNEL);  in sa1100_rtc_probe()
309 	if (!info)  in sa1100_rtc_probe()
311 	info->irq_1hz = irq_1hz;  in sa1100_rtc_probe()
312 	info->irq_alarm = irq_alarm;  in sa1100_rtc_probe()
321 		info->rcnr = base + 0x04;  in sa1100_rtc_probe()
322 		info->rtsr = base + 0x10;  in sa1100_rtc_probe()
323 		info->rtar = base + 0x00;  in sa1100_rtc_probe()
324 		info->rttr = base + 0x08;  in sa1100_rtc_probe()
326 		info->rcnr = base + 0x0;  in sa1100_rtc_probe()
327 		info->rtsr = base + 0x8;  in sa1100_rtc_probe()
328 		info->rtar = base + 0x4;  in sa1100_rtc_probe()
329 		info->rttr = base + 0xc;  in sa1100_rtc_probe()
332 	platform_set_drvdata(pdev, info);  in sa1100_rtc_probe()
335 	return sa1100_rtc_init(pdev, info);  in sa1100_rtc_probe()
340 	struct sa1100_rtc *info = platform_get_drvdata(pdev);  in sa1100_rtc_remove()  local
342 	if (info)  in sa1100_rtc_remove()
343 		clk_disable_unprepare(info->clk);  in sa1100_rtc_remove()
351 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_suspend()  local
353 		enable_irq_wake(info->irq_alarm);  in sa1100_rtc_suspend()
359 	struct sa1100_rtc *info = dev_get_drvdata(dev);  in sa1100_rtc_resume()  local
361 		disable_irq_wake(info->irq_alarm);  in sa1100_rtc_resume()