133 static int rs5c_get_regs(struct rs5c372 *rs5c)  in rs5c_get_regs()  argument
135 	struct i2c_client	*client = rs5c->client;  in rs5c_get_regs()
140 			.len = sizeof(rs5c->buf),  in rs5c_get_regs()
141 			.buf = rs5c->buf  in rs5c_get_regs()
156 	if (rs5c->smbus) {  in rs5c_get_regs()
158 		int size = sizeof(rs5c->buf) - 1;  in rs5c_get_regs()
161 						  rs5c->buf + 1) != size) {  in rs5c_get_regs()
174 		rs5c->regs + 0, rs5c->regs[3],  in rs5c_get_regs()
175 		rs5c->regs + 4, rs5c->regs[7],  in rs5c_get_regs()
176 		rs5c->regs + 8, rs5c->regs + 11,  in rs5c_get_regs()
177 		rs5c->regs[14], rs5c->regs[15]);  in rs5c_get_regs()
182 static unsigned rs5c_reg2hr(struct rs5c372 *rs5c, unsigned reg)  in rs5c_reg2hr()  argument
186 	if (rs5c->time24)  in rs5c_reg2hr()
197 static unsigned rs5c_hr2reg(struct rs5c372 *rs5c, unsigned hour)  in rs5c_hr2reg()  argument
199 	if (rs5c->time24)  in rs5c_hr2reg()
214 	struct rs5c372	*rs5c = i2c_get_clientdata(client);  in rs5c372_rtc_read_time()  local
215 	int		status = rs5c_get_regs(rs5c);  in rs5c372_rtc_read_time()
216 	unsigned char ctrl2 = rs5c->regs[RS5C_REG_CTRL2];  in rs5c372_rtc_read_time()
221 	switch (rs5c->type) {  in rs5c372_rtc_read_time()
224 		if ((rs5c->type == rtc_r2025sd && !(ctrl2 & R2x2x_CTRL2_XSTP)) ||  in rs5c372_rtc_read_time()
225 		    (rs5c->type == rtc_r2221tl &&  (ctrl2 & R2x2x_CTRL2_XSTP))) {  in rs5c372_rtc_read_time()
237 	tm->tm_sec = bcd2bin(rs5c->regs[RS5C372_REG_SECS] & 0x7f);  in rs5c372_rtc_read_time()
238 	tm->tm_min = bcd2bin(rs5c->regs[RS5C372_REG_MINS] & 0x7f);  in rs5c372_rtc_read_time()
239 	tm->tm_hour = rs5c_reg2hr(rs5c, rs5c->regs[RS5C372_REG_HOURS]);  in rs5c372_rtc_read_time()
241 	tm->tm_wday = bcd2bin(rs5c->regs[RS5C372_REG_WDAY] & 0x07);  in rs5c372_rtc_read_time()
242 	tm->tm_mday = bcd2bin(rs5c->regs[RS5C372_REG_DAY] & 0x3f);  in rs5c372_rtc_read_time()
245 	tm->tm_mon = bcd2bin(rs5c->regs[RS5C372_REG_MONTH] & 0x1f) - 1;  in rs5c372_rtc_read_time()
248 	tm->tm_year = bcd2bin(rs5c->regs[RS5C372_REG_YEAR]) + 100;  in rs5c372_rtc_read_time()
262 	struct rs5c372	*rs5c = i2c_get_clientdata(client);  in rs5c372_rtc_set_time()  local
276 	buf[2] = rs5c_hr2reg(rs5c, tm->tm_hour);  in rs5c372_rtc_set_time()
292 	switch (rs5c->type) {  in rs5c372_rtc_set_time()
296 		if (rs5c->type == rtc_r2025sd)  in rs5c372_rtc_set_time()
360 	struct rs5c372		*rs5c = i2c_get_clientdata(client);  in rs5c_rtc_alarm_irq_enable()  local
364 	buf = rs5c->regs[RS5C_REG_CTRL1];  in rs5c_rtc_alarm_irq_enable()
366 	if (!rs5c->has_irq)  in rs5c_rtc_alarm_irq_enable()
369 	status = rs5c_get_regs(rs5c);  in rs5c_rtc_alarm_irq_enable()
383 		rs5c->regs[RS5C_REG_CTRL1] = buf;  in rs5c_rtc_alarm_irq_enable()
401 	struct rs5c372		*rs5c = i2c_get_clientdata(client);  in rs5c_read_alarm()  local
404 	status = rs5c_get_regs(rs5c);  in rs5c_read_alarm()
410 	t->time.tm_min = bcd2bin(rs5c->regs[RS5C_REG_ALARM_A_MIN] & 0x7f);  in rs5c_read_alarm()
411 	t->time.tm_hour = rs5c_reg2hr(rs5c, rs5c->regs[RS5C_REG_ALARM_A_HOURS]);  in rs5c_read_alarm()
414 	t->enabled = !!(rs5c->regs[RS5C_REG_CTRL1] & RS5C_CTRL1_AALE);  in rs5c_read_alarm()
415 	t->pending = !!(rs5c->regs[RS5C_REG_CTRL2] & RS5C_CTRL2_AAFG);  in rs5c_read_alarm()
423 	struct rs5c372		*rs5c = i2c_get_clientdata(client);  in rs5c_set_alarm()  local
436 	status = rs5c_get_regs(rs5c);  in rs5c_set_alarm()
439 	if (rs5c->regs[RS5C_REG_CTRL1] & RS5C_CTRL1_AALE) {  in rs5c_set_alarm()
441 		buf[0] = rs5c->regs[RS5C_REG_CTRL1] & ~RS5C_CTRL1_AALE;  in rs5c_set_alarm()
446 		rs5c->regs[RS5C_REG_CTRL1] = buf[0];  in rs5c_set_alarm()
451 	buf[1] = rs5c_hr2reg(rs5c, t->time.tm_hour);  in rs5c_set_alarm()
465 		buf[0] = rs5c->regs[RS5C_REG_CTRL1] | RS5C_CTRL1_AALE;  in rs5c_set_alarm()
468 		rs5c->regs[RS5C_REG_CTRL1] = buf[0];  in rs5c_set_alarm()
497 	struct rs5c372	*rs5c = i2c_get_clientdata(to_i2c_client(dev));  in rs5c372_ioctl()  local
505 	ctrl2 = i2c_smbus_read_byte_data(rs5c->client, addr);  in rs5c372_ioctl()
511 		switch (rs5c->type) {  in rs5c372_ioctl()
514 			if ((rs5c->type == rtc_r2025sd && !(ctrl2 & R2x2x_CTRL2_XSTP)) ||  in rs5c372_ioctl()
515 				(rs5c->type == rtc_r2221tl &&  (ctrl2 & R2x2x_CTRL2_XSTP))) {  in rs5c372_ioctl()
530 		if (rs5c->type == rtc_r2025sd || rs5c->type == rtc_r2221tl) {  in rs5c372_ioctl()
532 			if (i2c_smbus_write_byte_data(rs5c->client, addr, ctrl2) < 0) {  in rs5c372_ioctl()
533 				dev_dbg(&rs5c->client->dev, "%s: write error in line %i\n",  in rs5c372_ioctl()
550 	struct rs5c372 *rs5c = i2c_get_clientdata(to_i2c_client(dev));  in rs5c372_read_offset()  local
551 	u8 val = rs5c->regs[RS5C372_REG_TRIM];  in rs5c372_read_offset()
555 	switch (rs5c->type) {  in rs5c372_read_offset()
586 	struct rs5c372 *rs5c = i2c_get_clientdata(to_i2c_client(dev));  in rs5c372_set_offset()  local
593 	switch (rs5c->type) {  in rs5c372_set_offset()
596 		tmp = rs5c->regs[RS5C372_REG_TRIM];  in rs5c372_set_offset()
646 		if (rs5c->type == rtc_rs5c372a || rs5c->type == rtc_rs5c372b)  in rs5c372_set_offset()
652 	dev_dbg(&rs5c->client->dev, "write 0x%x for offset %ld\n", val, offset);  in rs5c372_set_offset()
654 	if (i2c_smbus_write_byte_data(rs5c->client, addr, val) < 0) {  in rs5c372_set_offset()
655 		dev_err(&rs5c->client->dev, "failed to write 0x%x to reg %d\n", val, addr);  in rs5c372_set_offset()
659 	rs5c->regs[RS5C372_REG_TRIM] = val;  in rs5c372_set_offset()