31 static inline u8 ds1286_rtc_read(struct ds1286_priv *priv, int reg)  in ds1286_rtc_read()  argument
33 	return __raw_readl(&priv->rtcregs[reg]) & 0xff;  in ds1286_rtc_read()
36 static inline void ds1286_rtc_write(struct ds1286_priv *priv, u8 data, int reg)  in ds1286_rtc_write()  argument
38 	__raw_writel(data, &priv->rtcregs[reg]);  in ds1286_rtc_write()
44 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_alarm_irq_enable()  local
49 	spin_lock_irqsave(&priv->lock, flags);  in ds1286_alarm_irq_enable()
50 	val = ds1286_rtc_read(priv, RTC_CMD);  in ds1286_alarm_irq_enable()
55 	ds1286_rtc_write(priv, val, RTC_CMD);  in ds1286_alarm_irq_enable()
56 	spin_unlock_irqrestore(&priv->lock, flags);  in ds1286_alarm_irq_enable()
65 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_ioctl()  local
72 		spin_lock_irqsave(&priv->lock, flags);  in ds1286_ioctl()
73 		val = ds1286_rtc_read(priv, RTC_CMD);  in ds1286_ioctl()
75 		ds1286_rtc_write(priv, val, RTC_CMD);  in ds1286_ioctl()
76 		spin_unlock_irqrestore(&priv->lock, flags);  in ds1286_ioctl()
80 		spin_lock_irqsave(&priv->lock, flags);  in ds1286_ioctl()
81 		val = ds1286_rtc_read(priv, RTC_CMD);  in ds1286_ioctl()
83 		ds1286_rtc_write(priv, val, RTC_CMD);  in ds1286_ioctl()
84 		spin_unlock_irqrestore(&priv->lock, flags);  in ds1286_ioctl()
100 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_proc()  local
104 	month = ds1286_rtc_read(priv, RTC_MONTH);  in ds1286_proc()
111 	amode = ((ds1286_rtc_read(priv, RTC_MINUTES_ALARM) & 0x80) >> 5) |  in ds1286_proc()
112 		((ds1286_rtc_read(priv, RTC_HOURS_ALARM) & 0x80) >> 6) |  in ds1286_proc()
113 		((ds1286_rtc_read(priv, RTC_DAY_ALARM) & 0x80) >> 7);  in ds1286_proc()
133 	cmd = ds1286_rtc_read(priv, RTC_CMD);  in ds1286_proc()
158 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_read_time()  local
173 	if (ds1286_rtc_read(priv, RTC_CMD) & RTC_TE)  in ds1286_read_time()
183 	spin_lock_irqsave(&priv->lock, flags);  in ds1286_read_time()
184 	save_control = ds1286_rtc_read(priv, RTC_CMD);  in ds1286_read_time()
185 	ds1286_rtc_write(priv, (save_control|RTC_TE), RTC_CMD);  in ds1286_read_time()
187 	tm->tm_sec = ds1286_rtc_read(priv, RTC_SECONDS);  in ds1286_read_time()
188 	tm->tm_min = ds1286_rtc_read(priv, RTC_MINUTES);  in ds1286_read_time()
189 	tm->tm_hour = ds1286_rtc_read(priv, RTC_HOURS) & 0x3f;  in ds1286_read_time()
190 	tm->tm_mday = ds1286_rtc_read(priv, RTC_DATE);  in ds1286_read_time()
191 	tm->tm_mon = ds1286_rtc_read(priv, RTC_MONTH) & 0x1f;  in ds1286_read_time()
192 	tm->tm_year = ds1286_rtc_read(priv, RTC_YEAR);  in ds1286_read_time()
194 	ds1286_rtc_write(priv, save_control, RTC_CMD);  in ds1286_read_time()
195 	spin_unlock_irqrestore(&priv->lock, flags);  in ds1286_read_time()
221 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_set_time()  local
251 	spin_lock_irqsave(&priv->lock, flags);  in ds1286_set_time()
252 	save_control = ds1286_rtc_read(priv, RTC_CMD);  in ds1286_set_time()
253 	ds1286_rtc_write(priv, (save_control|RTC_TE), RTC_CMD);  in ds1286_set_time()
255 	ds1286_rtc_write(priv, yrs, RTC_YEAR);  in ds1286_set_time()
256 	ds1286_rtc_write(priv, mon, RTC_MONTH);  in ds1286_set_time()
257 	ds1286_rtc_write(priv, day, RTC_DATE);  in ds1286_set_time()
258 	ds1286_rtc_write(priv, hrs, RTC_HOURS);  in ds1286_set_time()
259 	ds1286_rtc_write(priv, min, RTC_MINUTES);  in ds1286_set_time()
260 	ds1286_rtc_write(priv, sec, RTC_SECONDS);  in ds1286_set_time()
261 	ds1286_rtc_write(priv, 0, RTC_HUNDREDTH_SECOND);  in ds1286_set_time()
263 	ds1286_rtc_write(priv, save_control, RTC_CMD);  in ds1286_set_time()
264 	spin_unlock_irqrestore(&priv->lock, flags);  in ds1286_set_time()
270 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_read_alarm()  local
277 	spin_lock_irqsave(&priv->lock, flags);  in ds1286_read_alarm()
278 	alm->time.tm_min = ds1286_rtc_read(priv, RTC_MINUTES_ALARM) & 0x7f;  in ds1286_read_alarm()
279 	alm->time.tm_hour = ds1286_rtc_read(priv, RTC_HOURS_ALARM)  & 0x1f;  in ds1286_read_alarm()
280 	alm->time.tm_wday = ds1286_rtc_read(priv, RTC_DAY_ALARM)    & 0x07;  in ds1286_read_alarm()
281 	ds1286_rtc_read(priv, RTC_CMD);  in ds1286_read_alarm()
282 	spin_unlock_irqrestore(&priv->lock, flags);  in ds1286_read_alarm()
292 	struct ds1286_priv *priv = dev_get_drvdata(dev);  in ds1286_set_alarm()  local
311 	spin_lock(&priv->lock);  in ds1286_set_alarm()
312 	ds1286_rtc_write(priv, hrs, RTC_HOURS_ALARM);  in ds1286_set_alarm()
313 	ds1286_rtc_write(priv, min, RTC_MINUTES_ALARM);  in ds1286_set_alarm()
314 	spin_unlock(&priv->lock);  in ds1286_set_alarm()
333 	struct ds1286_priv *priv;  in ds1286_probe()  local
335 	priv = devm_kzalloc(&pdev->dev, sizeof(struct ds1286_priv), GFP_KERNEL);  in ds1286_probe()
336 	if (!priv)  in ds1286_probe()
340 	priv->rtcregs = devm_ioremap_resource(&pdev->dev, res);  in ds1286_probe()
341 	if (IS_ERR(priv->rtcregs))  in ds1286_probe()
342 		return PTR_ERR(priv->rtcregs);  in ds1286_probe()
344 	spin_lock_init(&priv->lock);  in ds1286_probe()
345 	platform_set_drvdata(pdev, priv);  in ds1286_probe()
350 	priv->rtc = rtc;  in ds1286_probe()