67 static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc)  in mtk_rtc_write_trigger()  argument
73 	ret = regmap_write(rtc->regmap, rtc->addr_base + RTC_WRTGR, 1);  in mtk_rtc_write_trigger()
78 		ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_BBPU,  in mtk_rtc_write_trigger()
96 	struct mt6397_rtc *rtc = data;  in mtk_rtc_irq_handler_thread()  local
100 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_STA, &irqsta);  in mtk_rtc_irq_handler_thread()
102 		rtc_update_irq(rtc->rtc_dev, 1, RTC_IRQF | RTC_AF);  in mtk_rtc_irq_handler_thread()
104 		mutex_lock(&rtc->lock);  in mtk_rtc_irq_handler_thread()
105 		if (regmap_write(rtc->regmap, rtc->addr_base + RTC_IRQ_EN,  in mtk_rtc_irq_handler_thread()
107 			mtk_rtc_write_trigger(rtc);  in mtk_rtc_irq_handler_thread()
108 		mutex_unlock(&rtc->lock);  in mtk_rtc_irq_handler_thread()
116 static int __mtk_rtc_read_time(struct mt6397_rtc *rtc,  in __mtk_rtc_read_time()  argument
122 	mutex_lock(&rtc->lock);  in __mtk_rtc_read_time()
123 	ret = regmap_bulk_read(rtc->regmap, rtc->addr_base + RTC_TC_SEC,  in __mtk_rtc_read_time()
135 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_TC_SEC, sec);  in __mtk_rtc_read_time()
137 	mutex_unlock(&rtc->lock);  in __mtk_rtc_read_time()
144 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_read_time()  local
148 		ret = __mtk_rtc_read_time(rtc, tm, &sec);  in mtk_rtc_read_time()
175 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_set_time()  local
189 	mutex_lock(&rtc->lock);  in mtk_rtc_set_time()
190 	ret = regmap_bulk_write(rtc->regmap, rtc->addr_base + RTC_TC_SEC,  in mtk_rtc_set_time()
196 	ret = mtk_rtc_write_trigger(rtc);  in mtk_rtc_set_time()
199 	mutex_unlock(&rtc->lock);  in mtk_rtc_set_time()
206 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_read_alarm()  local
211 	mutex_lock(&rtc->lock);  in mtk_rtc_read_alarm()
212 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_IRQ_EN, &irqen);  in mtk_rtc_read_alarm()
215 	ret = regmap_read(rtc->regmap, rtc->addr_base + RTC_PDN2, &pdn2);  in mtk_rtc_read_alarm()
219 	ret = regmap_bulk_read(rtc->regmap, rtc->addr_base + RTC_AL_SEC,  in mtk_rtc_read_alarm()
226 	mutex_unlock(&rtc->lock);  in mtk_rtc_read_alarm()
240 	mutex_unlock(&rtc->lock);  in mtk_rtc_read_alarm()
247 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mtk_rtc_set_alarm()  local
261 	mutex_lock(&rtc->lock);  in mtk_rtc_set_alarm()
263 		ret = regmap_bulk_write(rtc->regmap,  in mtk_rtc_set_alarm()
264 					rtc->addr_base + RTC_AL_SEC,  in mtk_rtc_set_alarm()
268 		ret = regmap_write(rtc->regmap, rtc->addr_base + RTC_AL_MASK,  in mtk_rtc_set_alarm()
272 		ret = regmap_update_bits(rtc->regmap,  in mtk_rtc_set_alarm()
273 					 rtc->addr_base + RTC_IRQ_EN,  in mtk_rtc_set_alarm()
279 		ret = regmap_update_bits(rtc->regmap,  in mtk_rtc_set_alarm()
280 					 rtc->addr_base + RTC_IRQ_EN,  in mtk_rtc_set_alarm()
290 	ret = mtk_rtc_write_trigger(rtc);  in mtk_rtc_set_alarm()
292 	mutex_unlock(&rtc->lock);  in mtk_rtc_set_alarm()
307 	struct mt6397_rtc *rtc;  in mtk_rtc_probe()  local
310 	rtc = devm_kzalloc(&pdev->dev, sizeof(struct mt6397_rtc), GFP_KERNEL);  in mtk_rtc_probe()
311 	if (!rtc)  in mtk_rtc_probe()
315 	rtc->addr_base = res->start;  in mtk_rtc_probe()
317 	rtc->irq = platform_get_irq(pdev, 0);  in mtk_rtc_probe()
318 	if (rtc->irq < 0)  in mtk_rtc_probe()
319 		return rtc->irq;  in mtk_rtc_probe()
321 	rtc->regmap = mt6397_chip->regmap;  in mtk_rtc_probe()
322 	rtc->dev = &pdev->dev;  in mtk_rtc_probe()
323 	mutex_init(&rtc->lock);  in mtk_rtc_probe()
325 	platform_set_drvdata(pdev, rtc);  in mtk_rtc_probe()
327 	rtc->rtc_dev = devm_rtc_allocate_device(rtc->dev);  in mtk_rtc_probe()
328 	if (IS_ERR(rtc->rtc_dev))  in mtk_rtc_probe()
329 		return PTR_ERR(rtc->rtc_dev);  in mtk_rtc_probe()
331 	ret = request_threaded_irq(rtc->irq, NULL,  in mtk_rtc_probe()
334 				   "mt6397-rtc", rtc);  in mtk_rtc_probe()
337 			rtc->irq, ret);  in mtk_rtc_probe()
343 	rtc->rtc_dev->ops = &mtk_rtc_ops;  in mtk_rtc_probe()
345 	ret = rtc_register_device(rtc->rtc_dev);  in mtk_rtc_probe()
352 	free_irq(rtc->irq, rtc);  in mtk_rtc_probe()
358 	struct mt6397_rtc *rtc = platform_get_drvdata(pdev);  in mtk_rtc_remove()  local
360 	free_irq(rtc->irq, rtc);  in mtk_rtc_remove()
368 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mt6397_rtc_suspend()  local
371 		enable_irq_wake(rtc->irq);  in mt6397_rtc_suspend()
378 	struct mt6397_rtc *rtc = dev_get_drvdata(dev);  in mt6397_rtc_resume()  local
381 		disable_irq_wake(rtc->irq);  in mt6397_rtc_resume()