139 struct twl_rtc {  struct
158 static int twl_rtc_read_u8(struct twl_rtc *twl_rtc, u8 *data, u8 reg)  in twl_rtc_read_u8()  argument
162 	ret = twl_i2c_read_u8(TWL_MODULE_RTC, data, (twl_rtc->reg_map[reg]));  in twl_rtc_read_u8()
171 static int twl_rtc_write_u8(struct twl_rtc *twl_rtc, u8 data, u8 reg)  in twl_rtc_write_u8()  argument
175 	ret = twl_i2c_write_u8(TWL_MODULE_RTC, data, (twl_rtc->reg_map[reg]));  in twl_rtc_write_u8()
185 static int set_rtc_irq_bit(struct twl_rtc *twl_rtc, unsigned char bit)  in set_rtc_irq_bit()  argument
191 	if (twl_rtc->rtc_irq_bits & bit)  in set_rtc_irq_bit()
194 	val = twl_rtc->rtc_irq_bits | bit;  in set_rtc_irq_bit()
196 	ret = twl_rtc_write_u8(twl_rtc, val, REG_RTC_INTERRUPTS_REG);  in set_rtc_irq_bit()
198 		twl_rtc->rtc_irq_bits = val;  in set_rtc_irq_bit()
206 static int mask_rtc_irq_bit(struct twl_rtc *twl_rtc, unsigned char bit)  in mask_rtc_irq_bit()  argument
212 	if (!(twl_rtc->rtc_irq_bits & bit))  in mask_rtc_irq_bit()
215 	val = twl_rtc->rtc_irq_bits & ~bit;  in mask_rtc_irq_bit()
216 	ret = twl_rtc_write_u8(twl_rtc, val, REG_RTC_INTERRUPTS_REG);  in mask_rtc_irq_bit()
218 		twl_rtc->rtc_irq_bits = val;  in mask_rtc_irq_bit()
226 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_alarm_irq_enable()  local
231 		ret = set_rtc_irq_bit(twl_rtc,  in twl_rtc_alarm_irq_enable()
233 		if (device_can_wakeup(dev) && !twl_rtc->wake_enabled) {  in twl_rtc_alarm_irq_enable()
235 			twl_rtc->wake_enabled = true;  in twl_rtc_alarm_irq_enable()
238 		ret = mask_rtc_irq_bit(twl_rtc,  in twl_rtc_alarm_irq_enable()
240 		if (twl_rtc->wake_enabled) {  in twl_rtc_alarm_irq_enable()
242 			twl_rtc->wake_enabled = false;  in twl_rtc_alarm_irq_enable()
260 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_read_time()  local
266 	ret = twl_rtc_read_u8(twl_rtc, &save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
272 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_read_time()
275 			ret = twl_rtc_write_u8(twl_rtc, save_control,  in twl_rtc_read_time()
289 	if (twl_rtc->class == TWL_6030)  in twl_rtc_read_time()
292 	ret = twl_rtc_write_u8(twl_rtc, rtc_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
299 			(twl_rtc->reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);  in twl_rtc_read_time()
307 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_read_time()
308 		ret = twl_rtc_write_u8(twl_rtc, save_control, REG_RTC_CTRL_REG);  in twl_rtc_read_time()
328 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_set_time()  local
341 	ret = twl_rtc_read_u8(twl_rtc, &save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
346 	ret = twl_rtc_write_u8(twl_rtc, save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
352 		(twl_rtc->reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);  in twl_rtc_set_time()
360 	ret = twl_rtc_write_u8(twl_rtc, save_control, REG_RTC_CTRL_REG);  in twl_rtc_set_time()
371 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_read_alarm()  local
376 			twl_rtc->reg_map[REG_ALARM_SECONDS_REG], ALL_TIME_REGS);  in twl_rtc_read_alarm()
391 	if (twl_rtc->rtc_irq_bits & BIT_RTC_INTERRUPTS_REG_IT_ALARM_M)  in twl_rtc_read_alarm()
399 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_set_alarm()  local
417 			twl_rtc->reg_map[REG_ALARM_SECONDS_REG], ALL_TIME_REGS);  in twl_rtc_set_alarm()
431 	struct twl_rtc *twl_rtc = data;  in twl_rtc_interrupt()  local
437 	res = twl_rtc_read_u8(twl_rtc, &rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_interrupt()
451 	res = twl_rtc_write_u8(twl_rtc, BIT_RTC_STATUS_REG_ALARM_M,  in twl_rtc_interrupt()
456 	if (twl_rtc->class == TWL_4030) {  in twl_rtc_interrupt()
475 	rtc_update_irq(twl_rtc->rtc, 1, events);  in twl_rtc_interrupt()
506 	struct twl_rtc *twl_rtc;  in twl_rtc_probe()  local
521 	twl_rtc = devm_kzalloc(&pdev->dev, sizeof(*twl_rtc), GFP_KERNEL);  in twl_rtc_probe()
522 	if (!twl_rtc)  in twl_rtc_probe()
526 		twl_rtc->class = TWL_4030;  in twl_rtc_probe()
527 		twl_rtc->reg_map = (u8 *)twl4030_rtc_reg_map;  in twl_rtc_probe()
529 		twl_rtc->class = TWL_6030;  in twl_rtc_probe()
530 		twl_rtc->reg_map = (u8 *)twl6030_rtc_reg_map;  in twl_rtc_probe()
536 	ret = twl_rtc_read_u8(twl_rtc, &rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_probe()
547 	ret = twl_rtc_write_u8(twl_rtc, rd_reg, REG_RTC_STATUS_REG);  in twl_rtc_probe()
551 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_probe()
558 	ret = twl_rtc_write_u8(twl_rtc, BIT_RTC_CTRL_REG_STOP_RTC_M,  in twl_rtc_probe()
564 	ret = twl_rtc_write_u8(twl_rtc, 0, REG_RTC_INTERRUPTS_REG);  in twl_rtc_probe()
569 	ret = twl_rtc_read_u8(twl_rtc, &twl_rtc->rtc_irq_bits,  in twl_rtc_probe()
574 	platform_set_drvdata(pdev, twl_rtc);  in twl_rtc_probe()
577 	twl_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in twl_rtc_probe()
579 	if (IS_ERR(twl_rtc->rtc))  in twl_rtc_probe()
580 		return PTR_ERR(twl_rtc->rtc);  in twl_rtc_probe()
585 					dev_name(&twl_rtc->rtc->dev), twl_rtc);  in twl_rtc_probe()
602 		devm_rtc_nvmem_register(twl_rtc->rtc, &nvmem_cfg);  in twl_rtc_probe()
607 		devm_rtc_nvmem_register(twl_rtc->rtc, &nvmem_cfg);  in twl_rtc_probe()
612 		devm_rtc_nvmem_register(twl_rtc->rtc, &nvmem_cfg);  in twl_rtc_probe()
624 	struct twl_rtc *twl_rtc = platform_get_drvdata(pdev);  in twl_rtc_remove()  local
627 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);  in twl_rtc_remove()
628 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);  in twl_rtc_remove()
629 	if (twl_rtc->class == TWL_6030) {  in twl_rtc_remove()
639 	struct twl_rtc *twl_rtc = platform_get_drvdata(pdev);  in twl_rtc_shutdown()  local
643 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);  in twl_rtc_shutdown()
649 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_suspend()  local
651 	twl_rtc->irqstat = twl_rtc->rtc_irq_bits;  in twl_rtc_suspend()
653 	mask_rtc_irq_bit(twl_rtc, BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);  in twl_rtc_suspend()
659 	struct twl_rtc *twl_rtc = dev_get_drvdata(dev);  in twl_rtc_resume()  local
661 	set_rtc_irq_bit(twl_rtc, twl_rtc->irqstat);  in twl_rtc_resume()