74 static int s35390a_set_reg(struct s35390a *s35390a, int reg, char *buf, int len)  in s35390a_set_reg()  argument
81 			.buf = buf  in s35390a_set_reg()
91 static int s35390a_get_reg(struct s35390a *s35390a, int reg, char *buf, int len)  in s35390a_get_reg()  argument
99 			.buf = buf  in s35390a_get_reg()
111 	u8 buf;  in s35390a_init()  local
124 	buf = S35390A_FLAG_RESET | S35390A_FLAG_24H;  in s35390a_init()
125 	ret = s35390a_set_reg(s35390a, S35390A_CMD_STATUS1, &buf, 1);  in s35390a_init()
130 	ret = s35390a_get_reg(s35390a, S35390A_CMD_STATUS1, &buf, 1);  in s35390a_init()
134 	if (buf & (S35390A_FLAG_POC | S35390A_FLAG_BLD)) {  in s35390a_init()
176 	char buf[1];  in s35390a_disable_test_mode()  local
178 	if (s35390a_get_reg(s35390a, S35390A_CMD_STATUS2, buf, sizeof(buf)) < 0)  in s35390a_disable_test_mode()
181 	if (!(buf[0] & S35390A_FLAG_TEST))  in s35390a_disable_test_mode()
184 	buf[0] &= ~S35390A_FLAG_TEST;  in s35390a_disable_test_mode()
185 	return s35390a_set_reg(s35390a, S35390A_CMD_STATUS2, buf, sizeof(buf));  in s35390a_disable_test_mode()
218 	char buf[7], status;  in s35390a_rtc_set_time()  local
228 	buf[S35390A_BYTE_YEAR] = bin2bcd(tm->tm_year - 100);  in s35390a_rtc_set_time()
229 	buf[S35390A_BYTE_MONTH] = bin2bcd(tm->tm_mon + 1);  in s35390a_rtc_set_time()
230 	buf[S35390A_BYTE_DAY] = bin2bcd(tm->tm_mday);  in s35390a_rtc_set_time()
231 	buf[S35390A_BYTE_WDAY] = bin2bcd(tm->tm_wday);  in s35390a_rtc_set_time()
232 	buf[S35390A_BYTE_HOURS] = s35390a_hr2reg(s35390a, tm->tm_hour);  in s35390a_rtc_set_time()
233 	buf[S35390A_BYTE_MINS] = bin2bcd(tm->tm_min);  in s35390a_rtc_set_time()
234 	buf[S35390A_BYTE_SECS] = bin2bcd(tm->tm_sec);  in s35390a_rtc_set_time()
238 		buf[i] = bitrev8(buf[i]);  in s35390a_rtc_set_time()
240 	err = s35390a_set_reg(s35390a, S35390A_CMD_TIME1, buf, sizeof(buf));  in s35390a_rtc_set_time()
249 	char buf[7], status;  in s35390a_rtc_read_time()  local
255 	err = s35390a_get_reg(s35390a, S35390A_CMD_TIME1, buf, sizeof(buf));  in s35390a_rtc_read_time()
261 		buf[i] = bitrev8(buf[i]);  in s35390a_rtc_read_time()
263 	tm->tm_sec = bcd2bin(buf[S35390A_BYTE_SECS]);  in s35390a_rtc_read_time()
264 	tm->tm_min = bcd2bin(buf[S35390A_BYTE_MINS]);  in s35390a_rtc_read_time()
265 	tm->tm_hour = s35390a_reg2hr(s35390a, buf[S35390A_BYTE_HOURS]);  in s35390a_rtc_read_time()
266 	tm->tm_wday = bcd2bin(buf[S35390A_BYTE_WDAY]);  in s35390a_rtc_read_time()
267 	tm->tm_mday = bcd2bin(buf[S35390A_BYTE_DAY]);  in s35390a_rtc_read_time()
268 	tm->tm_mon = bcd2bin(buf[S35390A_BYTE_MONTH]) - 1;  in s35390a_rtc_read_time()
269 	tm->tm_year = bcd2bin(buf[S35390A_BYTE_YEAR]) + 100;  in s35390a_rtc_read_time()
283 	char buf[3], sts = 0;  in s35390a_rtc_set_alarm()  local
315 		buf[S35390A_ALRM_BYTE_WDAY] = bin2bcd(alm->time.tm_wday) | 0x80;  in s35390a_rtc_set_alarm()
317 		buf[S35390A_ALRM_BYTE_WDAY] = 0;  in s35390a_rtc_set_alarm()
319 	buf[S35390A_ALRM_BYTE_HOURS] = s35390a_hr2reg(s35390a,  in s35390a_rtc_set_alarm()
321 	buf[S35390A_ALRM_BYTE_MINS] = bin2bcd(alm->time.tm_min) | 0x80;  in s35390a_rtc_set_alarm()
324 		buf[S35390A_ALRM_BYTE_HOURS] |= 0x40;  in s35390a_rtc_set_alarm()
327 		buf[i] = bitrev8(buf[i]);  in s35390a_rtc_set_alarm()
329 	err = s35390a_set_reg(s35390a, S35390A_CMD_INT2_REG1, buf,  in s35390a_rtc_set_alarm()
330 								sizeof(buf));  in s35390a_rtc_set_alarm()
339 	char buf[3], sts;  in s35390a_rtc_read_alarm()  local
357 	err = s35390a_get_reg(s35390a, S35390A_CMD_INT2_REG1, buf, sizeof(buf));  in s35390a_rtc_read_alarm()
363 		buf[i] = bitrev8(buf[i]);  in s35390a_rtc_read_alarm()
369 	if (buf[S35390A_ALRM_BYTE_WDAY] & 0x80)  in s35390a_rtc_read_alarm()
371 			bcd2bin(buf[S35390A_ALRM_BYTE_WDAY] & ~0x80);  in s35390a_rtc_read_alarm()
373 	if (buf[S35390A_ALRM_BYTE_HOURS] & 0x80)  in s35390a_rtc_read_alarm()
376 				       buf[S35390A_ALRM_BYTE_HOURS] & ~0x80);  in s35390a_rtc_read_alarm()
378 	if (buf[S35390A_ALRM_BYTE_MINS] & 0x80)  in s35390a_rtc_read_alarm()
379 		alm->time.tm_min = bcd2bin(buf[S35390A_ALRM_BYTE_MINS] & ~0x80);  in s35390a_rtc_read_alarm()
437 	char buf, status1;  in s35390a_probe()  local
480 		buf = 0;  in s35390a_probe()
481 		err = s35390a_set_reg(s35390a, S35390A_CMD_STATUS2, &buf, 1);  in s35390a_probe()