drivers/rtc/rtc-wm8350.c

31 static int wm8350_rtc_readtime(struct device *dev, struct rtc_time *tm)
52 			tm->tm_sec = time1[0] & WM8350_RTC_SECS_MASK;
54 			tm->tm_min = (time1[0] & WM8350_RTC_MINS_MASK)
57 			tm->tm_hour = time1[1] & WM8350_RTC_HRS_MASK;
59 			tm->tm_wday = ((time1[1] >> WM8350_RTC_DAY_SHIFT)
62 			tm->tm_mon = ((time1[2] & WM8350_RTC_MTH_MASK)
65 			tm->tm_mday = (time1[2] & WM8350_RTC_DATE_MASK);
67 			tm->tm_year = ((time1[3] & WM8350_RTC_YHUNDREDS_MASK)
69 			tm->tm_year += time1[3] & WM8350_RTC_YUNITS_MASK;
71 			tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon,
72 						    tm->tm_year);
73 			tm->tm_year -= 1900;
90 static int wm8350_rtc_settime(struct device *dev, struct rtc_time *tm)
97 	time[0] = tm->tm_sec;
98 	time[0] |= tm->tm_min << WM8350_RTC_MINS_SHIFT;
99 	time[1] = tm->tm_hour;
100 	time[1] |= (tm->tm_wday + 1) << WM8350_RTC_DAY_SHIFT;
101 	time[2] = tm->tm_mday;
102 	time[2] |= (tm->tm_mon + 1) << WM8350_RTC_MTH_SHIFT;
103 	time[3] = ((tm->tm_year + 1900) / 100) << WM8350_RTC_YHUNDREDS_SHIFT;
104 	time[3] |= (tm->tm_year + 1900) % 100;
142 	struct rtc_time *tm = &alrm->time;
150 	tm->tm_sec = time[0] & WM8350_RTC_ALMSECS_MASK;
151 	if (tm->tm_sec == WM8350_RTC_ALMSECS_MASK)
152 		tm->tm_sec = -1;
154 	tm->tm_min = time[0] & WM8350_RTC_ALMMINS_MASK;
155 	if (tm->tm_min == WM8350_RTC_ALMMINS_MASK)
156 		tm->tm_min = -1;
158 		tm->tm_min >>= WM8350_RTC_ALMMINS_SHIFT;
160 	tm->tm_hour = time[1] & WM8350_RTC_ALMHRS_MASK;
161 	if (tm->tm_hour == WM8350_RTC_ALMHRS_MASK)
162 		tm->tm_hour = -1;
164 	tm->tm_wday = ((time[1] >> WM8350_RTC_ALMDAY_SHIFT) & 0x7) - 1;
165 	if (tm->tm_wday > 7)
166 		tm->tm_wday = -1;
168 	tm->tm_mon = time[2] & WM8350_RTC_ALMMTH_MASK;
169 	if (tm->tm_mon == WM8350_RTC_ALMMTH_MASK)
170 		tm->tm_mon = -1;
172 		tm->tm_mon = (tm->tm_mon >> WM8350_RTC_ALMMTH_SHIFT) - 1;
174 	tm->tm_mday = (time[2] & WM8350_RTC_ALMDATE_MASK);
175 	if (tm->tm_mday == WM8350_RTC_ALMDATE_MASK)
176 		tm->tm_mday = -1;
178 	tm->tm_year = -1;
246 	struct rtc_time *tm = &alrm->time;
252 	if (tm->tm_sec != -1)
253 		time[0] |= tm->tm_sec;
257 	if (tm->tm_min != -1)
258 		time[0] |= tm->tm_min << WM8350_RTC_ALMMINS_SHIFT;
262 	if (tm->tm_hour != -1)
263 		time[1] |= tm->tm_hour;
267 	if (tm->tm_wday != -1)
268 		time[1] |= (tm->tm_wday + 1) << WM8350_RTC_ALMDAY_SHIFT;
272 	if (tm->tm_mday != -1)
273 		time[2] |= tm->tm_mday;
277 	if (tm->tm_mon != -1)
278 		time[2] |= (tm->tm_mon + 1) << WM8350_RTC_ALMMTH_SHIFT;