45 static int dc_rtc_cmds(struct dc_rtc *rtc, const u8 *cmds, int len)  in dc_rtc_cmds()  argument
52 			       rtc->regs + DC_RTC_CONTROL);  in dc_rtc_cmds()
54 			rtc->regs + DC_RTC_CONTROL, val,  in dc_rtc_cmds()
63 static int dc_rtc_read(struct dc_rtc *rtc, unsigned long *val)  in dc_rtc_read()  argument
69 	ret = dc_rtc_cmds(rtc, read_cmds, ARRAY_SIZE(read_cmds));  in dc_rtc_read()
73 	reference = readl_relaxed(rtc->regs + DC_RTC_REFERENCE);  in dc_rtc_read()
74 	time1 = readl_relaxed(rtc->regs + DC_RTC_TIME);  in dc_rtc_read()
77 		time2 = readl_relaxed(rtc->regs + DC_RTC_TIME);  in dc_rtc_read()
87 static int dc_rtc_write(struct dc_rtc *rtc, u32 val)  in dc_rtc_write()  argument
91 	writel_relaxed(val, rtc->regs + DC_RTC_REFERENCE);  in dc_rtc_write()
92 	return dc_rtc_cmds(rtc, write_cmds, ARRAY_SIZE(write_cmds));  in dc_rtc_write()
97 	struct dc_rtc *rtc = dev_get_drvdata(dev);  in dc_rtc_read_time()  local
101 	ret = dc_rtc_read(rtc, &now);  in dc_rtc_read_time()
111 	struct dc_rtc *rtc = dev_get_drvdata(dev);  in dc_rtc_set_mmss()  local
113 	return dc_rtc_write(rtc, secs);  in dc_rtc_set_mmss()
118 	struct dc_rtc *rtc = dev_get_drvdata(dev);  in dc_rtc_read_alarm()  local
123 	alarm_reg = readl_relaxed(rtc->regs + DC_RTC_ALARM);  in dc_rtc_read_alarm()
124 	reference = readl_relaxed(rtc->regs + DC_RTC_REFERENCE);  in dc_rtc_read_alarm()
127 	ret = dc_rtc_read(rtc, &now);  in dc_rtc_read_alarm()
132 	alarm->enabled = readl_relaxed(rtc->regs + DC_RTC_INTENABLE);  in dc_rtc_read_alarm()
139 	struct dc_rtc *rtc = dev_get_drvdata(dev);  in dc_rtc_set_alarm()  local
145 	reference = readl_relaxed(rtc->regs + DC_RTC_REFERENCE);  in dc_rtc_set_alarm()
146 	writel_relaxed(alarm_time - reference, rtc->regs + DC_RTC_ALARM);  in dc_rtc_set_alarm()
148 	writeb_relaxed(!!alarm->enabled, rtc->regs + DC_RTC_INTENABLE);  in dc_rtc_set_alarm()
155 	struct dc_rtc *rtc = dev_get_drvdata(dev);  in dc_rtc_alarm_irq_enable()  local
157 	writeb_relaxed(!!enabled, rtc->regs + DC_RTC_INTENABLE);  in dc_rtc_alarm_irq_enable()
172 	struct dc_rtc *rtc = dev_id;  in dc_rtc_irq()  local
174 	writeb_relaxed(1, rtc->regs + DC_RTC_INTFLAG_CLEAR);  in dc_rtc_irq()
175 	rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);  in dc_rtc_irq()
183 	struct dc_rtc *rtc;  in dc_rtc_probe()  local
186 	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);  in dc_rtc_probe()
187 	if (!rtc)  in dc_rtc_probe()
191 	rtc->regs = devm_ioremap_resource(&pdev->dev, res);  in dc_rtc_probe()
192 	if (IS_ERR(rtc->regs))  in dc_rtc_probe()
193 		return PTR_ERR(rtc->regs);  in dc_rtc_probe()
198 	ret = devm_request_irq(&pdev->dev, irq, dc_rtc_irq, 0, pdev->name, rtc);  in dc_rtc_probe()
202 	platform_set_drvdata(pdev, rtc);  in dc_rtc_probe()
203 	rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, pdev->name,  in dc_rtc_probe()
205 	if (IS_ERR(rtc->rtc_dev))  in dc_rtc_probe()
206 		return PTR_ERR(rtc->rtc_dev);  in dc_rtc_probe()