121 	struct sun6i_rtc_dev *chip = (struct sun6i_rtc_dev *) id;  in sun6i_rtc_alarmirq()  local
124 	val = readl(chip->base + SUN6I_ALRM_IRQ_STA);  in sun6i_rtc_alarmirq()
128 		writel(val, chip->base + SUN6I_ALRM_IRQ_STA);  in sun6i_rtc_alarmirq()
130 		rtc_update_irq(chip->rtc, 1, RTC_AF | RTC_IRQF);  in sun6i_rtc_alarmirq()
138 static void sun6i_rtc_setaie(int to, struct sun6i_rtc_dev *chip)  in sun6i_rtc_setaie()  argument
150 		       chip->base + SUN6I_ALRM_IRQ_STA);  in sun6i_rtc_setaie()
153 	writel(alrm_val, chip->base + SUN6I_ALRM_EN);  in sun6i_rtc_setaie()
154 	writel(alrm_irq_val, chip->base + SUN6I_ALRM_IRQ_EN);  in sun6i_rtc_setaie()
155 	writel(alrm_wake_val, chip->base + SUN6I_ALARM_CONFIG);  in sun6i_rtc_setaie()
160 	struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);  in sun6i_rtc_gettime()  local
167 		date = readl(chip->base + SUN6I_RTC_YMD);  in sun6i_rtc_gettime()
168 		time = readl(chip->base + SUN6I_RTC_HMS);  in sun6i_rtc_gettime()
169 	} while ((date != readl(chip->base + SUN6I_RTC_YMD)) ||  in sun6i_rtc_gettime()
170 		 (time != readl(chip->base + SUN6I_RTC_HMS)));  in sun6i_rtc_gettime()
193 	struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);  in sun6i_rtc_getalarm()  local
197 	alrm_en = readl(chip->base + SUN6I_ALRM_IRQ_EN);  in sun6i_rtc_getalarm()
198 	alrm_st = readl(chip->base + SUN6I_ALRM_IRQ_STA);  in sun6i_rtc_getalarm()
201 	rtc_time_to_tm(chip->alarm, &wkalrm->time);  in sun6i_rtc_getalarm()
208 	struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);  in sun6i_rtc_setalarm()  local
236 	sun6i_rtc_setaie(0, chip);  in sun6i_rtc_setalarm()
237 	writel(0, chip->base + SUN6I_ALRM_COUNTER);  in sun6i_rtc_setalarm()
240 	writel(time_gap, chip->base + SUN6I_ALRM_COUNTER);  in sun6i_rtc_setalarm()
241 	chip->alarm = time_set;  in sun6i_rtc_setalarm()
243 	sun6i_rtc_setaie(wkalrm->enabled, chip);  in sun6i_rtc_setalarm()
248 static int sun6i_rtc_wait(struct sun6i_rtc_dev *chip, int offset,  in sun6i_rtc_wait()  argument
255 		reg = readl(chip->base + offset);  in sun6i_rtc_wait()
268 	struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);  in sun6i_rtc_settime()  local
295 	if (sun6i_rtc_wait(chip, SUN6I_LOSC_CTRL,  in sun6i_rtc_settime()
301 	writel(time, chip->base + SUN6I_RTC_HMS);  in sun6i_rtc_settime()
309 	if (sun6i_rtc_wait(chip, SUN6I_LOSC_CTRL,  in sun6i_rtc_settime()
315 	writel(date, chip->base + SUN6I_RTC_YMD);  in sun6i_rtc_settime()
323 	if (sun6i_rtc_wait(chip, SUN6I_LOSC_CTRL,  in sun6i_rtc_settime()
334 	struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);  in sun6i_rtc_alarm_irq_enable()  local
337 		sun6i_rtc_setaie(enabled, chip);  in sun6i_rtc_alarm_irq_enable()
352 	struct sun6i_rtc_dev *chip;  in sun6i_rtc_probe()  local
356 	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);  in sun6i_rtc_probe()
357 	if (!chip)  in sun6i_rtc_probe()
360 	platform_set_drvdata(pdev, chip);  in sun6i_rtc_probe()
361 	chip->dev = &pdev->dev;  in sun6i_rtc_probe()
364 	chip->base = devm_ioremap_resource(&pdev->dev, res);  in sun6i_rtc_probe()
365 	if (IS_ERR(chip->base))  in sun6i_rtc_probe()
366 		return PTR_ERR(chip->base);  in sun6i_rtc_probe()
368 	chip->irq = platform_get_irq(pdev, 0);  in sun6i_rtc_probe()
369 	if (chip->irq < 0) {  in sun6i_rtc_probe()
371 		return chip->irq;  in sun6i_rtc_probe()
374 	ret = devm_request_irq(&pdev->dev, chip->irq, sun6i_rtc_alarmirq,  in sun6i_rtc_probe()
375 			       0, dev_name(&pdev->dev), chip);  in sun6i_rtc_probe()
382 	writel(0, chip->base + SUN6I_ALRM_COUNTER);  in sun6i_rtc_probe()
385 	writel(0, chip->base + SUN6I_ALRM_EN);  in sun6i_rtc_probe()
388 	writel(0, chip->base + SUN6I_ALRM_IRQ_EN);  in sun6i_rtc_probe()
391 	writel(0, chip->base + SUN6I_ALRM1_EN);  in sun6i_rtc_probe()
394 	writel(0, chip->base + SUN6I_ALRM1_IRQ_EN);  in sun6i_rtc_probe()
398 	       chip->base + SUN6I_ALRM_IRQ_STA);  in sun6i_rtc_probe()
402 	       chip->base + SUN6I_ALRM1_IRQ_STA);  in sun6i_rtc_probe()
405 	writel(0, chip->base + SUN6I_ALARM_CONFIG);  in sun6i_rtc_probe()
407 	chip->rtc = rtc_device_register("rtc-sun6i", &pdev->dev,  in sun6i_rtc_probe()
409 	if (IS_ERR(chip->rtc)) {  in sun6i_rtc_probe()
411 		return PTR_ERR(chip->rtc);  in sun6i_rtc_probe()
421 	struct sun6i_rtc_dev *chip = platform_get_drvdata(pdev);  in sun6i_rtc_remove()  local
423 	rtc_device_unregister(chip->rtc);  in sun6i_rtc_remove()