161 	struct sunxi_rtc_dev *chip = (struct sunxi_rtc_dev *) id;  in sunxi_rtc_alarmirq()  local
164 	val = readl(chip->base + SUNXI_ALRM_IRQ_STA);  in sunxi_rtc_alarmirq()
168 		writel(val, chip->base + SUNXI_ALRM_IRQ_STA);  in sunxi_rtc_alarmirq()
170 		rtc_update_irq(chip->rtc, 1, RTC_AF | RTC_IRQF);  in sunxi_rtc_alarmirq()
178 static void sunxi_rtc_setaie(int to, struct sunxi_rtc_dev *chip)  in sunxi_rtc_setaie()  argument
184 		alrm_val = readl(chip->base + SUNXI_ALRM_EN);  in sunxi_rtc_setaie()
187 		alrm_irq_val = readl(chip->base + SUNXI_ALRM_IRQ_EN);  in sunxi_rtc_setaie()
191 				chip->base + SUNXI_ALRM_IRQ_STA);  in sunxi_rtc_setaie()
194 	writel(alrm_val, chip->base + SUNXI_ALRM_EN);  in sunxi_rtc_setaie()
195 	writel(alrm_irq_val, chip->base + SUNXI_ALRM_IRQ_EN);  in sunxi_rtc_setaie()
200 	struct sunxi_rtc_dev *chip = dev_get_drvdata(dev);  in sunxi_rtc_getalarm()  local
206 	alrm = readl(chip->base + SUNXI_ALRM_DHMS);  in sunxi_rtc_getalarm()
207 	date = readl(chip->base + SUNXI_RTC_YMD);  in sunxi_rtc_getalarm()
216 			chip->data_year->mask);  in sunxi_rtc_getalarm()
224 	alrm_tm->tm_year += SUNXI_YEAR_OFF(chip->data_year);  in sunxi_rtc_getalarm()
226 	alrm_en = readl(chip->base + SUNXI_ALRM_IRQ_EN);  in sunxi_rtc_getalarm()
235 	struct sunxi_rtc_dev *chip = dev_get_drvdata(dev);  in sunxi_rtc_gettime()  local
242 		date = readl(chip->base + SUNXI_RTC_YMD);  in sunxi_rtc_gettime()
243 		time = readl(chip->base + SUNXI_RTC_HMS);  in sunxi_rtc_gettime()
244 	} while ((date != readl(chip->base + SUNXI_RTC_YMD)) ||  in sunxi_rtc_gettime()
245 		 (time != readl(chip->base + SUNXI_RTC_HMS)));  in sunxi_rtc_gettime()
254 					chip->data_year->mask);  in sunxi_rtc_gettime()
262 	rtc_tm->tm_year += SUNXI_YEAR_OFF(chip->data_year);  in sunxi_rtc_gettime()
269 	struct sunxi_rtc_dev *chip = dev_get_drvdata(dev);  in sunxi_rtc_setalarm()  local
307 	sunxi_rtc_setaie(0, chip);  in sunxi_rtc_setalarm()
308 	writel(0, chip->base + SUNXI_ALRM_DHMS);  in sunxi_rtc_setalarm()
315 	writel(alrm, chip->base + SUNXI_ALRM_DHMS);  in sunxi_rtc_setalarm()
317 	writel(0, chip->base + SUNXI_ALRM_IRQ_EN);  in sunxi_rtc_setalarm()
318 	writel(SUNXI_ALRM_IRQ_EN_CNT_IRQ_EN, chip->base + SUNXI_ALRM_IRQ_EN);  in sunxi_rtc_setalarm()
320 	sunxi_rtc_setaie(wkalrm->enabled, chip);  in sunxi_rtc_setalarm()
325 static int sunxi_rtc_wait(struct sunxi_rtc_dev *chip, int offset,  in sunxi_rtc_wait()  argument
332 		reg = readl(chip->base + offset);  in sunxi_rtc_wait()
345 	struct sunxi_rtc_dev *chip = dev_get_drvdata(dev);  in sunxi_rtc_settime()  local
357 	if (year < chip->data_year->min || year > chip->data_year->max) {  in sunxi_rtc_settime()
359 				chip->data_year->min, chip->data_year->max);  in sunxi_rtc_settime()
363 	rtc_tm->tm_year -= SUNXI_YEAR_OFF(chip->data_year);  in sunxi_rtc_settime()
369 				chip->data_year->mask);  in sunxi_rtc_settime()
372 		date |= SUNXI_LEAP_SET_VALUE(1, chip->data_year->leap_shift);  in sunxi_rtc_settime()
378 	writel(0, chip->base + SUNXI_RTC_HMS);  in sunxi_rtc_settime()
379 	writel(0, chip->base + SUNXI_RTC_YMD);  in sunxi_rtc_settime()
381 	writel(time, chip->base + SUNXI_RTC_HMS);  in sunxi_rtc_settime()
389 	if (sunxi_rtc_wait(chip, SUNXI_LOSC_CTRL,  in sunxi_rtc_settime()
395 	writel(date, chip->base + SUNXI_RTC_YMD);  in sunxi_rtc_settime()
403 	if (sunxi_rtc_wait(chip, SUNXI_LOSC_CTRL,  in sunxi_rtc_settime()
414 	struct sunxi_rtc_dev *chip = dev_get_drvdata(dev);  in sunxi_rtc_alarm_irq_enable()  local
417 		sunxi_rtc_setaie(enabled, chip);  in sunxi_rtc_alarm_irq_enable()
439 	struct sunxi_rtc_dev *chip;  in sunxi_rtc_probe()  local
444 	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);  in sunxi_rtc_probe()
445 	if (!chip)  in sunxi_rtc_probe()
448 	platform_set_drvdata(pdev, chip);  in sunxi_rtc_probe()
449 	chip->dev = &pdev->dev;  in sunxi_rtc_probe()
452 	chip->base = devm_ioremap_resource(&pdev->dev, res);  in sunxi_rtc_probe()
453 	if (IS_ERR(chip->base))  in sunxi_rtc_probe()
454 		return PTR_ERR(chip->base);  in sunxi_rtc_probe()
456 	chip->irq = platform_get_irq(pdev, 0);  in sunxi_rtc_probe()
457 	if (chip->irq < 0) {  in sunxi_rtc_probe()
459 		return chip->irq;  in sunxi_rtc_probe()
461 	ret = devm_request_irq(&pdev->dev, chip->irq, sunxi_rtc_alarmirq,  in sunxi_rtc_probe()
462 			0, dev_name(&pdev->dev), chip);  in sunxi_rtc_probe()
473 	chip->data_year = (struct sunxi_rtc_data_year *) of_id->data;  in sunxi_rtc_probe()
476 	writel(0, chip->base + SUNXI_ALRM_DHMS);  in sunxi_rtc_probe()
479 	writel(0, chip->base + SUNXI_ALRM_EN);  in sunxi_rtc_probe()
482 	writel(0, chip->base + SUNXI_ALRM_IRQ_EN);  in sunxi_rtc_probe()
485 	writel(SUNXI_ALRM_IRQ_STA_CNT_IRQ_PEND, chip->base +  in sunxi_rtc_probe()
488 	chip->rtc = rtc_device_register("rtc-sunxi", &pdev->dev,  in sunxi_rtc_probe()
490 	if (IS_ERR(chip->rtc)) {  in sunxi_rtc_probe()
492 		return PTR_ERR(chip->rtc);  in sunxi_rtc_probe()
502 	struct sunxi_rtc_dev *chip = platform_get_drvdata(pdev);  in sunxi_rtc_remove()  local
504 	rtc_device_unregister(chip->rtc);  in sunxi_rtc_remove()