143 struct twl_rtc {  struct
162 static int twl_rtc_read_u8(struct twl_rtc *twl_rtc, u8 *data, u8 reg)  in twl_rtc_read_u8()  argument
166 	ret = twl_i2c_read_u8(TWL_MODULE_RTC, data, (twl_rtc->reg_map[reg]));  in twl_rtc_read_u8()
175 static int twl_rtc_write_u8(struct twl_rtc *twl_rtc, u8 data, u8 reg)  in twl_rtc_write_u8()  argument
179 	ret = twl_i2c_write_u8(TWL_MODULE_RTC, data, (twl_rtc->reg_map[reg]));  in twl_rtc_write_u8()
189 static int set_rtc_irq_bit(struct twl_rtc *twl_rtc, unsigned char bit)  in set_rtc_irq_bit()  argument
195 	if (twl_rtc->rtc_irq_bits & bit)  in set_rtc_irq_bit()
198 	val = twl_rtc->rtc_irq_bits | bit;  in set_rtc_irq_bit()
200 	ret = twl_rtc_write_u8(twl_rtc, val, REG_RTC_INTERRUPTS_REG);  in set_rtc_irq_bit()
202 		twl_rtc->rtc_irq_bits = val;  in set_rtc_irq_bit()
210 static int mask_rtc_irq_bit(struct twl_rtc *twl_rtc, unsigned char bit)  in mask_rtc_irq_bit()  argument
216 	if (!(twl_rtc->rtc_irq_bits & bit))  in mask_rtc_irq_bit()
219 	val = twl_rtc->rtc_irq_bits & ~bit;  in mask_rtc_irq_bit()
220 	ret = twl_rtc_write_u8(twl_rtc, val, REG_RTC_INTERRUPTS_REG);  in mask_rtc_irq_bit()
222 		twl_rtc->rtc_irq_bits = val;  in mask_rtc_irq_bit()
230 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_alarm_irq_enable()  local
235 		ret = set_rtc_irq_bit(twl_rtc,  in twl_rtc_alarm_irq_enable()
237 		if (device_can_wakeup(dev) && !twl_rtc->wake_enabled) {  in twl_rtc_alarm_irq_enable()
239 			twl_rtc->wake_enabled = true;  in twl_rtc_alarm_irq_enable()
242 		ret = mask_rtc_irq_bit(twl_rtc,  in twl_rtc_alarm_irq_enable()
244 		if (twl_rtc->wake_enabled) {  in twl_rtc_alarm_irq_enable()
246 			twl_rtc->wake_enabled = false;  in twl_rtc_alarm_irq_enable()
264 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_read_time()  local
270 	ret = twl_rtc_read_u8(twl_rtc, &save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
276 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_read_time()
279 			ret = twl_rtc_write_u8(twl_rtc, save_control,  in twl_rtc_read_time()
293 	if (twl_rtc->class == TWL_6030)  in twl_rtc_read_time()
296 	ret = twl_rtc_write_u8(twl_rtc, rtc_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
303 			(twl_rtc->reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);  in twl_rtc_read_time()
311 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_read_time()
312 		ret = twl_rtc_write_u8(twl_rtc, save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
332 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_set_time()  local
345 	ret = twl_rtc_read_u8(twl_rtc, &save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
350 	ret = twl_rtc_write_u8(twl_rtc, save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
356 		(twl_rtc->reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);  in twl_rtc_set_time()
364 	ret = twl_rtc_write_u8(twl_rtc, save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
375 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_read_alarm()  local
380 			twl_rtc->reg_map[REG_ALARM_SECONDS_REG], ALL_TIME_REGS);  in twl_rtc_read_alarm()
395 	if (twl_rtc->rtc_irq_bits & BIT_RTC_INTERRUPTS_REG_IT_ALARM_M)  in twl_rtc_read_alarm()
403 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_set_alarm()  local
421 			twl_rtc->reg_map[REG_ALARM_SECONDS_REG], ALL_TIME_REGS);  in twl_rtc_set_alarm()
435 	struct twl_rtc *twl_rtc = data;  in twl_rtc_interrupt()  local
441 	res = twl_rtc_read_u8(twl_rtc, &rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_interrupt()
455 	res = twl_rtc_write_u8(twl_rtc, BIT_RTC_STATUS_REG_ALARM_M,  in twl_rtc_interrupt()
460 	if (twl_rtc->class == TWL_4030) {  in twl_rtc_interrupt()
479 	rtc_update_irq(twl_rtc->rtc, 1, events);  in twl_rtc_interrupt()
498 	struct twl_rtc *twl_rtc;  in twl_rtc_probe()  local
512 	twl_rtc = devm_kzalloc(&pdev->dev, sizeof(*twl_rtc), GFP_KERNEL);  in twl_rtc_probe()
513 	if (!twl_rtc)  in twl_rtc_probe()
517 		twl_rtc->class = TWL_4030;  in twl_rtc_probe()
518 		twl_rtc->reg_map = (u8 *)twl4030_rtc_reg_map;  in twl_rtc_probe()
520 		twl_rtc->class = TWL_6030;  in twl_rtc_probe()
521 		twl_rtc->reg_map = (u8 *)twl6030_rtc_reg_map;  in twl_rtc_probe()
527 	ret = twl_rtc_read_u8(twl_rtc, &rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_probe()
538 	ret = twl_rtc_write_u8(twl_rtc, rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_probe()
542 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_probe()
550 	ret = twl_rtc_write_u8(twl_rtc, BIT_RTC_CTRL_REG_STOP_RTC_M,  in twl_rtc_probe()
556 	ret = twl_rtc_write_u8(twl_rtc, 0, REG_RTC_INTERRUPTS_REG);  in twl_rtc_probe()
561 	ret = twl_rtc_read_u8(twl_rtc, &twl_rtc->rtc_irq_bits,  in twl_rtc_probe()
566 	platform_set_drvdata(pdev, twl_rtc);  in twl_rtc_probe()
569 	twl_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in twl_rtc_probe()
571 	if (IS_ERR(twl_rtc->rtc)) {  in twl_rtc_probe()
573 			PTR_ERR(twl_rtc->rtc));  in twl_rtc_probe()
574 		return PTR_ERR(twl_rtc->rtc);  in twl_rtc_probe()
580 					dev_name(&twl_rtc->rtc->dev), twl_rtc);  in twl_rtc_probe()
595 	struct twl_rtc *twl_rtc = platform_get_drvdata(pdev);  in twl_rtc_remove()  local
598 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);  in twl_rtc_remove()
599 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);  in twl_rtc_remove()
600 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_remove()
612 	struct twl_rtc *twl_rtc = platform_get_drvdata(pdev);  in twl_rtc_shutdown()  local
616 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);  in twl_rtc_shutdown()
622 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_suspend()  local
624 	twl_rtc->irqstat = twl_rtc->rtc_irq_bits;  in twl_rtc_suspend()
626 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);  in twl_rtc_suspend()
632 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_resume()  local
634 	set_rtc_irq_bit(twl_rtc, twl_rtc->irqstat);  in twl_rtc_resume()