79 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_set_time()  local
80 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_set_time()
85 	writeb(RTC_WRITE, pdata->ioaddr + RTC_CONTROL);  in ds1553_rtc_set_time()
104 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_read_time()  local
105 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_read_time()
110 	if (pdata->last_jiffies == jiffies)  in ds1553_rtc_read_time()
112 	pdata->last_jiffies = jiffies;  in ds1553_rtc_read_time()
139 static void ds1553_rtc_update_alarm(struct rtc_plat_data *pdata)  in ds1553_rtc_update_alarm()  argument
141 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_update_alarm()
144 	spin_lock_irqsave(&pdata->lock, flags);  in ds1553_rtc_update_alarm()
145 	writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
146 	       0x80 : bin2bcd(pdata->alrm_mday),  in ds1553_rtc_update_alarm()
148 	writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
149 	       0x80 : bin2bcd(pdata->alrm_hour),  in ds1553_rtc_update_alarm()
151 	writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
152 	       0x80 : bin2bcd(pdata->alrm_min),  in ds1553_rtc_update_alarm()
154 	writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
155 	       0x80 : bin2bcd(pdata->alrm_sec),  in ds1553_rtc_update_alarm()
157 	writeb(pdata->irqen ? RTC_INTS_AE : 0, ioaddr + RTC_INTERRUPTS);  in ds1553_rtc_update_alarm()
159 	spin_unlock_irqrestore(&pdata->lock, flags);  in ds1553_rtc_update_alarm()
165 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_set_alarm()  local
167 	if (pdata->irq <= 0)  in ds1553_rtc_set_alarm()
169 	pdata->alrm_mday = alrm->time.tm_mday;  in ds1553_rtc_set_alarm()
170 	pdata->alrm_hour = alrm->time.tm_hour;  in ds1553_rtc_set_alarm()
171 	pdata->alrm_min = alrm->time.tm_min;  in ds1553_rtc_set_alarm()
172 	pdata->alrm_sec = alrm->time.tm_sec;  in ds1553_rtc_set_alarm()
174 		pdata->irqen |= RTC_AF;  in ds1553_rtc_set_alarm()
175 	ds1553_rtc_update_alarm(pdata);  in ds1553_rtc_set_alarm()
182 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_read_alarm()  local
184 	if (pdata->irq <= 0)  in ds1553_rtc_read_alarm()
186 	alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;  in ds1553_rtc_read_alarm()
187 	alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;  in ds1553_rtc_read_alarm()
188 	alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min;  in ds1553_rtc_read_alarm()
189 	alrm->time.tm_sec = pdata->alrm_sec < 0 ? 0 : pdata->alrm_sec;  in ds1553_rtc_read_alarm()
190 	alrm->enabled = (pdata->irqen & RTC_AF) ? 1 : 0;  in ds1553_rtc_read_alarm()
197 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_interrupt()  local
198 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_interrupt()
201 	spin_lock(&pdata->lock);  in ds1553_rtc_interrupt()
209 		rtc_update_irq(pdata->rtc, 1, events);  in ds1553_rtc_interrupt()
211 	spin_unlock(&pdata->lock);  in ds1553_rtc_interrupt()
218 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_alarm_irq_enable()  local
220 	if (pdata->irq <= 0)  in ds1553_rtc_alarm_irq_enable()
223 		pdata->irqen |= RTC_AF;  in ds1553_rtc_alarm_irq_enable()
225 		pdata->irqen &= ~RTC_AF;  in ds1553_rtc_alarm_irq_enable()
226 	ds1553_rtc_update_alarm(pdata);  in ds1553_rtc_alarm_irq_enable()
244 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_nvram_read()  local
245 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_nvram_read()
259 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_nvram_write()  local
260 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_nvram_write()
282 	struct rtc_plat_data *pdata;  in ds1553_rtc_probe()  local
286 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in ds1553_rtc_probe()
287 	if (!pdata)  in ds1553_rtc_probe()
294 	pdata->ioaddr = ioaddr;  in ds1553_rtc_probe()
295 	pdata->irq = platform_get_irq(pdev, 0);  in ds1553_rtc_probe()
309 	spin_lock_init(&pdata->lock);  in ds1553_rtc_probe()
310 	pdata->last_jiffies = jiffies;  in ds1553_rtc_probe()
311 	platform_set_drvdata(pdev, pdata);  in ds1553_rtc_probe()
313 	pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in ds1553_rtc_probe()
315 	if (IS_ERR(pdata->rtc))  in ds1553_rtc_probe()
316 		return PTR_ERR(pdata->rtc);  in ds1553_rtc_probe()
318 	if (pdata->irq > 0) {  in ds1553_rtc_probe()
320 		if (devm_request_irq(&pdev->dev, pdata->irq,  in ds1553_rtc_probe()
324 			pdata->irq = 0;  in ds1553_rtc_probe()
338 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_remove()  local
341 	if (pdata->irq > 0)  in ds1553_rtc_remove()
342 		writeb(0, pdata->ioaddr + RTC_INTERRUPTS);  in ds1553_rtc_remove()