51 static void cpcap2rtc_time(struct rtc_time *rtc, struct cpcap_time *cpcap)  in cpcap2rtc_time()  argument
59 	rtc_time64_to_tm(time, rtc);  in cpcap2rtc_time()
62 static void rtc2cpcap_time(struct cpcap_time *cpcap, struct rtc_time *rtc)  in rtc2cpcap_time()  argument
66 	time = rtc_tm_to_time64(rtc);  in rtc2cpcap_time()
76 	struct cpcap_rtc *rtc = dev_get_drvdata(dev);  in cpcap_rtc_alarm_irq_enable()  local
78 	if (rtc->alarm_enabled == enabled)  in cpcap_rtc_alarm_irq_enable()
82 		enable_irq(rtc->alarm_irq);  in cpcap_rtc_alarm_irq_enable()
84 		disable_irq(rtc->alarm_irq);  in cpcap_rtc_alarm_irq_enable()
86 	rtc->alarm_enabled = !!enabled;  in cpcap_rtc_alarm_irq_enable()
93 	struct cpcap_rtc *rtc;  in cpcap_rtc_read_time()  local
98 	rtc = dev_get_drvdata(dev);  in cpcap_rtc_read_time()
100 	ret = regmap_read(rtc->regmap, CPCAP_REG_TOD2, &temp_tod2);  in cpcap_rtc_read_time()
101 	ret |= regmap_read(rtc->regmap, CPCAP_REG_DAY, &cpcap_tm.day);  in cpcap_rtc_read_time()
102 	ret |= regmap_read(rtc->regmap, CPCAP_REG_TOD1, &cpcap_tm.tod1);  in cpcap_rtc_read_time()
103 	ret |= regmap_read(rtc->regmap, CPCAP_REG_TOD2, &cpcap_tm.tod2);  in cpcap_rtc_read_time()
106 		ret |= regmap_read(rtc->regmap, CPCAP_REG_DAY, &cpcap_tm.day);  in cpcap_rtc_read_time()
120 	struct cpcap_rtc *rtc;  in cpcap_rtc_set_time()  local
124 	rtc = dev_get_drvdata(dev);  in cpcap_rtc_set_time()
128 	if (rtc->alarm_enabled)  in cpcap_rtc_set_time()
129 		disable_irq(rtc->alarm_irq);  in cpcap_rtc_set_time()
130 	if (rtc->update_enabled)  in cpcap_rtc_set_time()
131 		disable_irq(rtc->update_irq);  in cpcap_rtc_set_time()
133 	if (rtc->vendor == CPCAP_VENDOR_ST) {  in cpcap_rtc_set_time()
137 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TOD1,  in cpcap_rtc_set_time()
139 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TOD2,  in cpcap_rtc_set_time()
141 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_DAY,  in cpcap_rtc_set_time()
151 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TOD1,  in cpcap_rtc_set_time()
153 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_DAY,  in cpcap_rtc_set_time()
155 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TOD2,  in cpcap_rtc_set_time()
157 		ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TOD1,  in cpcap_rtc_set_time()
161 	if (rtc->update_enabled)  in cpcap_rtc_set_time()
162 		enable_irq(rtc->update_irq);  in cpcap_rtc_set_time()
163 	if (rtc->alarm_enabled)  in cpcap_rtc_set_time()
164 		enable_irq(rtc->alarm_irq);  in cpcap_rtc_set_time()
171 	struct cpcap_rtc *rtc;  in cpcap_rtc_read_alarm()  local
175 	rtc = dev_get_drvdata(dev);  in cpcap_rtc_read_alarm()
177 	alrm->enabled = rtc->alarm_enabled;  in cpcap_rtc_read_alarm()
179 	ret = regmap_read(rtc->regmap, CPCAP_REG_DAYA, &cpcap_tm.day);  in cpcap_rtc_read_alarm()
180 	ret |= regmap_read(rtc->regmap, CPCAP_REG_TODA2, &cpcap_tm.tod2);  in cpcap_rtc_read_alarm()
181 	ret |= regmap_read(rtc->regmap, CPCAP_REG_TODA1, &cpcap_tm.tod1);  in cpcap_rtc_read_alarm()
194 	struct cpcap_rtc *rtc;  in cpcap_rtc_set_alarm()  local
198 	rtc = dev_get_drvdata(dev);  in cpcap_rtc_set_alarm()
202 	if (rtc->alarm_enabled)  in cpcap_rtc_set_alarm()
203 		disable_irq(rtc->alarm_irq);  in cpcap_rtc_set_alarm()
205 	ret = regmap_update_bits(rtc->regmap, CPCAP_REG_DAYA, DAY_MASK,  in cpcap_rtc_set_alarm()
207 	ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TODA2, TOD2_MASK,  in cpcap_rtc_set_alarm()
209 	ret |= regmap_update_bits(rtc->regmap, CPCAP_REG_TODA1, TOD1_MASK,  in cpcap_rtc_set_alarm()
213 		enable_irq(rtc->alarm_irq);  in cpcap_rtc_set_alarm()
214 		rtc->alarm_enabled = true;  in cpcap_rtc_set_alarm()
230 	struct cpcap_rtc *rtc = data;  in cpcap_rtc_alarm_irq()  local
232 	rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);  in cpcap_rtc_alarm_irq()
238 	struct cpcap_rtc *rtc = data;  in cpcap_rtc_update_irq()  local
240 	rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF);  in cpcap_rtc_update_irq()
247 	struct cpcap_rtc *rtc;  in cpcap_rtc_probe()  local
250 	rtc = devm_kzalloc(dev, sizeof(*rtc), GFP_KERNEL);  in cpcap_rtc_probe()
251 	if (!rtc)  in cpcap_rtc_probe()
254 	rtc->regmap = dev_get_regmap(dev->parent, NULL);  in cpcap_rtc_probe()
255 	if (!rtc->regmap)  in cpcap_rtc_probe()
258 	platform_set_drvdata(pdev, rtc);  in cpcap_rtc_probe()
259 	rtc->rtc_dev = devm_rtc_allocate_device(dev);  in cpcap_rtc_probe()
260 	if (IS_ERR(rtc->rtc_dev))  in cpcap_rtc_probe()
261 		return PTR_ERR(rtc->rtc_dev);  in cpcap_rtc_probe()
263 	rtc->rtc_dev->ops = &cpcap_rtc_ops;  in cpcap_rtc_probe()
264 	rtc->rtc_dev->range_max = (timeu64_t) (DAY_MASK + 1) * SECS_PER_DAY - 1;  in cpcap_rtc_probe()
266 	err = cpcap_get_vendor(dev, rtc->regmap, &rtc->vendor);  in cpcap_rtc_probe()
270 	rtc->alarm_irq = platform_get_irq(pdev, 0);  in cpcap_rtc_probe()
271 	err = devm_request_threaded_irq(dev, rtc->alarm_irq, NULL,  in cpcap_rtc_probe()
274 					"rtc_alarm", rtc);  in cpcap_rtc_probe()
279 	disable_irq(rtc->alarm_irq);  in cpcap_rtc_probe()
287 	rtc->update_irq = platform_get_irq(pdev, 1);  in cpcap_rtc_probe()
288 	err = devm_request_threaded_irq(dev, rtc->update_irq, NULL,  in cpcap_rtc_probe()
291 					"rtc_1hz", rtc);  in cpcap_rtc_probe()
296 	disable_irq(rtc->update_irq);  in cpcap_rtc_probe()
304 	return devm_rtc_register_device(rtc->rtc_dev);  in cpcap_rtc_probe()