74 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in stk17ta8_rtc_set_time()  local
75 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_set_time()
78 	flags = readb(pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_set_time()
79 	writeb(flags | RTC_WRITE, pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_set_time()
90 	writeb(flags & ~RTC_WRITE, pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_set_time()
96 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in stk17ta8_rtc_read_time()  local
97 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_read_time()
103 	if (pdata->last_jiffies == jiffies)  in stk17ta8_rtc_read_time()
105 	pdata->last_jiffies = jiffies;  in stk17ta8_rtc_read_time()
107 	flags = readb(pdata->ioaddr + RTC_FLAGS);  in stk17ta8_rtc_read_time()
130 static void stk17ta8_rtc_update_alarm(struct rtc_plat_data *pdata)  in stk17ta8_rtc_update_alarm()  argument
132 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_update_alarm()
136 	spin_lock_irqsave(&pdata->lock, irqflags);  in stk17ta8_rtc_update_alarm()
141 	writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
142 	       0x80 : bin2bcd(pdata->alrm_mday),  in stk17ta8_rtc_update_alarm()
144 	writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
145 	       0x80 : bin2bcd(pdata->alrm_hour),  in stk17ta8_rtc_update_alarm()
147 	writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
148 	       0x80 : bin2bcd(pdata->alrm_min),  in stk17ta8_rtc_update_alarm()
150 	writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?  in stk17ta8_rtc_update_alarm()
151 	       0x80 : bin2bcd(pdata->alrm_sec),  in stk17ta8_rtc_update_alarm()
153 	writeb(pdata->irqen ? RTC_INTS_AIE : 0, ioaddr + RTC_INTERRUPTS);  in stk17ta8_rtc_update_alarm()
156 	spin_unlock_irqrestore(&pdata->lock, irqflags);  in stk17ta8_rtc_update_alarm()
161 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in stk17ta8_rtc_set_alarm()  local
163 	if (pdata->irq <= 0)  in stk17ta8_rtc_set_alarm()
165 	pdata->alrm_mday = alrm->time.tm_mday;  in stk17ta8_rtc_set_alarm()
166 	pdata->alrm_hour = alrm->time.tm_hour;  in stk17ta8_rtc_set_alarm()
167 	pdata->alrm_min = alrm->time.tm_min;  in stk17ta8_rtc_set_alarm()
168 	pdata->alrm_sec = alrm->time.tm_sec;  in stk17ta8_rtc_set_alarm()
170 		pdata->irqen |= RTC_AF;  in stk17ta8_rtc_set_alarm()
171 	stk17ta8_rtc_update_alarm(pdata);  in stk17ta8_rtc_set_alarm()
177 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in stk17ta8_rtc_read_alarm()  local
179 	if (pdata->irq <= 0)  in stk17ta8_rtc_read_alarm()
181 	alrm->time.tm_mday = pdata->alrm_mday < 0 ? 0 : pdata->alrm_mday;  in stk17ta8_rtc_read_alarm()
182 	alrm->time.tm_hour = pdata->alrm_hour < 0 ? 0 : pdata->alrm_hour;  in stk17ta8_rtc_read_alarm()
183 	alrm->time.tm_min = pdata->alrm_min < 0 ? 0 : pdata->alrm_min;  in stk17ta8_rtc_read_alarm()
184 	alrm->time.tm_sec = pdata->alrm_sec < 0 ? 0 : pdata->alrm_sec;  in stk17ta8_rtc_read_alarm()
185 	alrm->enabled = (pdata->irqen & RTC_AF) ? 1 : 0;  in stk17ta8_rtc_read_alarm()
192 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);  in stk17ta8_rtc_interrupt()  local
193 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_rtc_interrupt()
196 	spin_lock(&pdata->lock);  in stk17ta8_rtc_interrupt()
204 		rtc_update_irq(pdata->rtc, 1, events);  in stk17ta8_rtc_interrupt()
206 	spin_unlock(&pdata->lock);  in stk17ta8_rtc_interrupt()
213 	struct rtc_plat_data *pdata = dev_get_drvdata(dev);  in stk17ta8_rtc_alarm_irq_enable()  local
215 	if (pdata->irq <= 0)  in stk17ta8_rtc_alarm_irq_enable()
218 		pdata->irqen |= RTC_AF;  in stk17ta8_rtc_alarm_irq_enable()
220 		pdata->irqen &= ~RTC_AF;  in stk17ta8_rtc_alarm_irq_enable()
221 	stk17ta8_rtc_update_alarm(pdata);  in stk17ta8_rtc_alarm_irq_enable()
236 	struct rtc_plat_data *pdata = priv;  in stk17ta8_nvram_read()  local
237 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_nvram_read()
248 	struct rtc_plat_data *pdata = priv;  in stk17ta8_nvram_write()  local
249 	void __iomem *ioaddr = pdata->ioaddr;  in stk17ta8_nvram_write()
261 	struct rtc_plat_data *pdata;  in stk17ta8_rtc_probe()  local
273 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in stk17ta8_rtc_probe()
274 	if (!pdata)  in stk17ta8_rtc_probe()
280 	pdata->ioaddr = ioaddr;  in stk17ta8_rtc_probe()
281 	pdata->irq = platform_get_irq(pdev, 0);  in stk17ta8_rtc_probe()
295 	spin_lock_init(&pdata->lock);  in stk17ta8_rtc_probe()
296 	pdata->last_jiffies = jiffies;  in stk17ta8_rtc_probe()
297 	platform_set_drvdata(pdev, pdata);  in stk17ta8_rtc_probe()
298 	if (pdata->irq > 0) {  in stk17ta8_rtc_probe()
300 		if (devm_request_irq(&pdev->dev, pdata->irq,  in stk17ta8_rtc_probe()
305 			pdata->irq = 0;  in stk17ta8_rtc_probe()
309 	pdata->rtc = devm_rtc_allocate_device(&pdev->dev);  in stk17ta8_rtc_probe()
310 	if (IS_ERR(pdata->rtc))  in stk17ta8_rtc_probe()
311 		return PTR_ERR(pdata->rtc);  in stk17ta8_rtc_probe()
313 	pdata->rtc->ops = &stk17ta8_rtc_ops;  in stk17ta8_rtc_probe()
314 	pdata->rtc->nvram_old_abi = true;  in stk17ta8_rtc_probe()
316 	nvmem_cfg.priv = pdata;  in stk17ta8_rtc_probe()
317 	ret = rtc_nvmem_register(pdata->rtc, &nvmem_cfg);  in stk17ta8_rtc_probe()
321 	return rtc_register_device(pdata->rtc);  in stk17ta8_rtc_probe()