73 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in ds1553_rtc_set_time()  local
74 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_set_time()
79 	writeb(RTC_WRITE, pdata->ioaddr + RTC_CONTROL);  in ds1553_rtc_set_time()
97 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in ds1553_rtc_read_time()  local
98 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_read_time()
103 	if (pdata->last_jiffies == jiffies)  in ds1553_rtc_read_time()
105 	pdata->last_jiffies = jiffies;  in ds1553_rtc_read_time()
128 static void ds1553_rtc_update_alarm(struct rtc_plat_data *pdata)  in ds1553_rtc_update_alarm()  argument
130 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_update_alarm()
133 	spin_lock_irqsave(&pdata->lock, flags);  in ds1553_rtc_update_alarm()
134 	writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
135 	       0x80 : bin2bcd(pdata->alrm_mday),  in ds1553_rtc_update_alarm()
137 	writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
138 	       0x80 : bin2bcd(pdata->alrm_hour),  in ds1553_rtc_update_alarm()
140 	writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
141 	       0x80 : bin2bcd(pdata->alrm_min),  in ds1553_rtc_update_alarm()
143 	writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?  in ds1553_rtc_update_alarm()
144 	       0x80 : bin2bcd(pdata->alrm_sec),  in ds1553_rtc_update_alarm()
146 	writeb(pdata->irqen ? RTC_INTS_AE : 0, ioaddr + RTC_INTERRUPTS);  in ds1553_rtc_update_alarm()
148 	spin_unlock_irqrestore(&pdata->lock, flags);  in ds1553_rtc_update_alarm()
153 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in ds1553_rtc_set_alarm()  local
155 	if (pdata->irq <= 0)  in ds1553_rtc_set_alarm()
157 	pdata->alrm_mday = alrm->time.tm_mday;  in ds1553_rtc_set_alarm()
158 	pdata->alrm_hour = alrm->time.tm_hour;  in ds1553_rtc_set_alarm()
159 	pdata->alrm_min = alrm->time.tm_min;  in ds1553_rtc_set_alarm()
160 	pdata->alrm_sec = alrm->time.tm_sec;  in ds1553_rtc_set_alarm()
162 		pdata->irqen |= RTC_AF;  in ds1553_rtc_set_alarm()
163 	ds1553_rtc_update_alarm(pdata);  in ds1553_rtc_set_alarm()
169 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in ds1553_rtc_read_alarm()  local
171 	if (pdata->irq <= 0)  in ds1553_rtc_read_alarm()
173 	alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;  in ds1553_rtc_read_alarm()
174 	alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;  in ds1553_rtc_read_alarm()
175 	alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min;  in ds1553_rtc_read_alarm()
176 	alrm->time.tm_sec = pdata->alrm_sec < 0 ? 0 : pdata->alrm_sec;  in ds1553_rtc_read_alarm()
177 	alrm->enabled = (pdata->irqen & RTC_AF) ? 1 : 0;  in ds1553_rtc_read_alarm()
184 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_rtc_interrupt()  local
185 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_rtc_interrupt()
188 	spin_lock(&pdata->lock);  in ds1553_rtc_interrupt()
196 		rtc_update_irq(pdata->rtc, 1, events);  in ds1553_rtc_interrupt()
198 	spin_unlock(&pdata->lock);  in ds1553_rtc_interrupt()
204 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in ds1553_rtc_alarm_irq_enable()  local
206 	if (pdata->irq <= 0)  in ds1553_rtc_alarm_irq_enable()
209 		pdata->irqen |= RTC_AF;  in ds1553_rtc_alarm_irq_enable()
211 		pdata->irqen &= ~RTC_AF;  in ds1553_rtc_alarm_irq_enable()
212 	ds1553_rtc_update_alarm(pdata);  in ds1553_rtc_alarm_irq_enable()
228 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_nvram_read()  local
229 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_nvram_read()
241 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in ds1553_nvram_write()  local
242 	void __iomem *ioaddr = pdata->ioaddr;  in ds1553_nvram_write()
253 	struct rtc_plat_data *pdata;  in ds1553_rtc_probe()  local
266 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in ds1553_rtc_probe()
267 	if (!pdata)  in ds1553_rtc_probe()
273 	pdata->ioaddr = ioaddr;  in ds1553_rtc_probe()
274 	pdata->irq = platform_get_irq(pdev, 0);  in ds1553_rtc_probe()
288 	spin_lock_init(&pdata->lock);  in ds1553_rtc_probe()
289 	pdata->last_jiffies = jiffies;  in ds1553_rtc_probe()
290 	platform_set_drvdata(pdev, pdata);  in ds1553_rtc_probe()
292 	pdata->rtc = devm_rtc_allocate_device(&pdev->dev);  in ds1553_rtc_probe()
293 	if (IS_ERR(pdata->rtc))  in ds1553_rtc_probe()
294 		return PTR_ERR(pdata->rtc);  in ds1553_rtc_probe()
296 	pdata->rtc->ops = &ds1553_rtc_ops;  in ds1553_rtc_probe()
298 	ret = devm_rtc_register_device(pdata->rtc);  in ds1553_rtc_probe()
302 	if (pdata->irq > 0) {  in ds1553_rtc_probe()
304 		if (devm_request_irq(&pdev->dev, pdata->irq,  in ds1553_rtc_probe()
308 			pdata->irq = 0;  in ds1553_rtc_probe()
312 	devm_rtc_nvmem_register(pdata->rtc, &nvmem_cfg);  in ds1553_rtc_probe()