80 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_set_time()  local
81 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_set_time()
84 	flags = readb(pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_set_time()
85 	writeb(flags | RTC_WRITE, pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_set_time()
96 	writeb(flags & ~RTC_WRITE, pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_set_time()
103 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_read_time()  local
104 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_read_time()
110 	if (pdata->last_jiffies == jiffies)  in stk17ta8_rtc_read_time()
112 	pdata->last_jiffies = jiffies;  in stk17ta8_rtc_read_time()
114 	flags = readb(pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_read_time()
141 static void stk17ta8_rtc_update_alarm(struct rtc_plat_data *pdata)  in stk17ta8_rtc_update_alarm()  argument
143 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_update_alarm()
147 	spin_lock_irqsave(&pdata->lock, irqflags);  in stk17ta8_rtc_update_alarm()
152 	writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
153 	       0x80 : bin2bcd(pdata->alrm_mday),  in stk17ta8_rtc_update_alarm()
155 	writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
156 	       0x80 : bin2bcd(pdata->alrm_hour),  in stk17ta8_rtc_update_alarm()
158 	writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
159 	       0x80 : bin2bcd(pdata->alrm_min),  in stk17ta8_rtc_update_alarm()
161 	writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
162 	       0x80 : bin2bcd(pdata->alrm_sec),  in stk17ta8_rtc_update_alarm()
164 	writeb(pdata->irqen ? RTC_INTS_AIE : 0, ioaddr + RTC_INTERRUPTS);  in stk17ta8_rtc_update_alarm()
167 	spin_unlock_irqrestore(&pdata->lock, irqflags);  in stk17ta8_rtc_update_alarm()
173 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_set_alarm()  local
175 	if (pdata->irq <= 0)  in stk17ta8_rtc_set_alarm()
177 	pdata->alrm_mday = alrm->time.tm_mday;  in stk17ta8_rtc_set_alarm()
178 	pdata->alrm_hour = alrm->time.tm_hour;  in stk17ta8_rtc_set_alarm()
179 	pdata->alrm_min = alrm->time.tm_min;  in stk17ta8_rtc_set_alarm()
180 	pdata->alrm_sec = alrm->time.tm_sec;  in stk17ta8_rtc_set_alarm()
182 		pdata->irqen |= RTC_AF;  in stk17ta8_rtc_set_alarm()
183 	stk17ta8_rtc_update_alarm(pdata);  in stk17ta8_rtc_set_alarm()
190 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_read_alarm()  local
192 	if (pdata->irq <= 0)  in stk17ta8_rtc_read_alarm()
194 	alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;  in stk17ta8_rtc_read_alarm()
195 	alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;  in stk17ta8_rtc_read_alarm()
196 	alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min;  in stk17ta8_rtc_read_alarm()
197 	alrm->time.tm_sec = pdata->alrm_sec < 0 ? 0 : pdata->alrm_sec;  in stk17ta8_rtc_read_alarm()
198 	alrm->enabled = (pdata->irqen & RTC_AF) ? 1 : 0;  in stk17ta8_rtc_read_alarm()
205 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_interrupt()  local
206 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_interrupt()
209 	spin_lock(&pdata->lock);  in stk17ta8_rtc_interrupt()
217 		rtc_update_irq(pdata->rtc, 1, events);  in stk17ta8_rtc_interrupt()
219 	spin_unlock(&pdata->lock);  in stk17ta8_rtc_interrupt()
227 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_alarm_irq_enable()  local
229 	if (pdata->irq <= 0)  in stk17ta8_rtc_alarm_irq_enable()
232 		pdata->irqen |= RTC_AF;  in stk17ta8_rtc_alarm_irq_enable()
234 		pdata->irqen &= ~RTC_AF;  in stk17ta8_rtc_alarm_irq_enable()
235 	stk17ta8_rtc_update_alarm(pdata);  in stk17ta8_rtc_alarm_irq_enable()
253 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_nvram_read()  local
254 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_nvram_read()
268 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_nvram_write()  local
269 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_nvram_write()
292 	struct rtc_plat_data *pdata;  in stk17ta8_rtc_probe()  local
296 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in stk17ta8_rtc_probe()
297 	if (!pdata)  in stk17ta8_rtc_probe()
304 	pdata->ioaddr = ioaddr;  in stk17ta8_rtc_probe()
305 	pdata->irq = platform_get_irq(pdev, 0);  in stk17ta8_rtc_probe()
319 	spin_lock_init(&pdata->lock);  in stk17ta8_rtc_probe()
320 	pdata->last_jiffies = jiffies;  in stk17ta8_rtc_probe()
321 	platform_set_drvdata(pdev, pdata);  in stk17ta8_rtc_probe()
322 	if (pdata->irq > 0) {  in stk17ta8_rtc_probe()
324 		if (devm_request_irq(&pdev->dev, pdata->irq,  in stk17ta8_rtc_probe()
329 			pdata->irq = 0;  in stk17ta8_rtc_probe()
333 	pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in stk17ta8_rtc_probe()
335 	if (IS_ERR(pdata->rtc))  in stk17ta8_rtc_probe()
336 		return PTR_ERR(pdata->rtc);  in stk17ta8_rtc_probe()
345 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_remove()  local
348 	if (pdata->irq > 0)  in stk17ta8_rtc_remove()
349 		writeb(0, pdata->ioaddr + RTC_INTERRUPTS);  in stk17ta8_rtc_remove()