364 static int apds9960_set_it_time(struct apds9960_data *data, int val2)  in apds9960_set_it_time()  argument
371 			mutex_lock(&data->lock);  in apds9960_set_it_time()
372 			ret = regmap_write(data->regmap, APDS9960_REG_ATIME,  in apds9960_set_it_time()
375 				data->als_adc_int_us = val2;  in apds9960_set_it_time()
376 			mutex_unlock(&data->lock);  in apds9960_set_it_time()
384 static int apds9960_set_pxs_gain(struct apds9960_data *data, int val)  in apds9960_set_pxs_gain()  argument
392 			mutex_lock(&data->lock);  in apds9960_set_pxs_gain()
393 			ret = regmap_update_bits(data->regmap,  in apds9960_set_pxs_gain()
398 				mutex_unlock(&data->lock);  in apds9960_set_pxs_gain()
402 			ret = regmap_update_bits(data->regmap,  in apds9960_set_pxs_gain()
407 				data->pxs_gain = idx;  in apds9960_set_pxs_gain()
408 			mutex_unlock(&data->lock);  in apds9960_set_pxs_gain()
416 static int apds9960_set_als_gain(struct apds9960_data *data, int val)  in apds9960_set_als_gain()  argument
423 			mutex_lock(&data->lock);  in apds9960_set_als_gain()
424 			ret = regmap_update_bits(data->regmap,  in apds9960_set_als_gain()
428 				data->als_gain = idx;  in apds9960_set_als_gain()
429 			mutex_unlock(&data->lock);  in apds9960_set_als_gain()
438 static int apds9960_set_power_state(struct apds9960_data *data, bool on)  in apds9960_set_power_state()  argument
440 	struct device *dev = &data->client->dev;  in apds9960_set_power_state()
443 	mutex_lock(&data->lock);  in apds9960_set_power_state()
453 			usleep_range(data->als_adc_int_us,  in apds9960_set_power_state()
460 	mutex_unlock(&data->lock);  in apds9960_set_power_state()
465 static int apds9960_set_power_state(struct apds9960_data *data, bool on)  in apds9960_set_power_state()  argument
475 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_read_raw()  local
479 	if (data->gesture_mode_running)  in apds9960_read_raw()
484 		apds9960_set_power_state(data, true);  in apds9960_read_raw()
487 			ret = regmap_read(data->regmap, chan->address, val);  in apds9960_read_raw()
492 			ret = regmap_bulk_read(data->regmap, chan->address,  in apds9960_read_raw()
501 		apds9960_set_power_state(data, false);  in apds9960_read_raw()
505 		mutex_lock(&data->lock);  in apds9960_read_raw()
509 			*val2 = data->als_adc_int_us;  in apds9960_read_raw()
515 		mutex_unlock(&data->lock);  in apds9960_read_raw()
518 		mutex_lock(&data->lock);  in apds9960_read_raw()
521 			*val = apds9960_pxs_gain_map[data->pxs_gain];  in apds9960_read_raw()
525 			*val = apds9960_als_gain_map[data->als_gain];  in apds9960_read_raw()
531 		mutex_unlock(&data->lock);  in apds9960_read_raw()
542 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_write_raw()  local
551 			return apds9960_set_it_time(data, val2);  in apds9960_write_raw()
560 			return apds9960_set_pxs_gain(data, val);  in apds9960_write_raw()
562 			return apds9960_set_als_gain(data, val);  in apds9960_write_raw()
619 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_read_event()  local
629 		ret = regmap_read(data->regmap, reg, val);  in apds9960_read_event()
633 		ret = regmap_bulk_read(data->regmap, reg, &buf, 2);  in apds9960_read_event()
655 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_write_event()  local
667 		ret = regmap_write(data->regmap, reg, val);  in apds9960_write_event()
674 		ret = regmap_bulk_write(data->regmap, reg, &buf, 2);  in apds9960_write_event()
688 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_read_event_config()  local
692 		return data->pxs_int;  in apds9960_read_event_config()
694 		return data->als_int;  in apds9960_read_event_config()
708 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_write_event_config()  local
715 		if (data->pxs_int == state)  in apds9960_write_event_config()
718 		ret = regmap_field_write(data->reg_int_pxs, state);  in apds9960_write_event_config()
721 		data->pxs_int = state;  in apds9960_write_event_config()
722 		apds9960_set_power_state(data, state);  in apds9960_write_event_config()
725 		if (data->als_int == state)  in apds9960_write_event_config()
728 		ret = regmap_field_write(data->reg_int_als, state);  in apds9960_write_event_config()
731 		data->als_int = state;  in apds9960_write_event_config()
732 		apds9960_set_power_state(data, state);  in apds9960_write_event_config()
753 static inline int apds9660_fifo_is_empty(struct apds9960_data *data)  in apds9660_fifo_is_empty()  argument
758 	ret = regmap_read(data->regmap, APDS9960_REG_GFLVL, &cnt);  in apds9660_fifo_is_empty()
765 static void apds9960_read_gesture_fifo(struct apds9960_data *data)  in apds9960_read_gesture_fifo()  argument
769 	mutex_lock(&data->lock);  in apds9960_read_gesture_fifo()
770 	data->gesture_mode_running = 1;  in apds9960_read_gesture_fifo()
772 	while (cnt-- || (cnt = apds9660_fifo_is_empty(data) > 0)) {  in apds9960_read_gesture_fifo()
773 		ret = regmap_bulk_read(data->regmap, APDS9960_REG_GFIFO_BASE,  in apds9960_read_gesture_fifo()
774 				      &data->buffer, 4);  in apds9960_read_gesture_fifo()
779 		iio_push_to_buffers(data->indio_dev, data->buffer);  in apds9960_read_gesture_fifo()
783 	data->gesture_mode_running = 0;  in apds9960_read_gesture_fifo()
784 	mutex_unlock(&data->lock);  in apds9960_read_gesture_fifo()
790 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_interrupt_handler()  local
793 	ret = regmap_read(data->regmap, APDS9960_REG_STATUS, &status);  in apds9960_interrupt_handler()
795 		dev_err(&data->client->dev, "irq status reg read failed\n");  in apds9960_interrupt_handler()
799 	if ((status & APDS9960_REG_STATUS_ALS_INT) && data->als_int) {  in apds9960_interrupt_handler()
805 		regmap_write(data->regmap, APDS9960_REG_CICLEAR, 1);  in apds9960_interrupt_handler()
808 	if ((status & APDS9960_REG_STATUS_PS_INT) && data->pxs_int) {  in apds9960_interrupt_handler()
814 		regmap_write(data->regmap, APDS9960_REG_PICLEAR, 1);  in apds9960_interrupt_handler()
818 		apds9960_read_gesture_fifo(data);  in apds9960_interrupt_handler()
823 static int apds9960_set_powermode(struct apds9960_data *data, bool state)  in apds9960_set_powermode()  argument
825 	return regmap_update_bits(data->regmap, APDS9960_REG_ENABLE, 1, state);  in apds9960_set_powermode()
830 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_buffer_postenable()  local
833 	ret = regmap_field_write(data->reg_int_ges, 1);  in apds9960_buffer_postenable()
837 	ret = regmap_field_write(data->reg_enable_ges, 1);  in apds9960_buffer_postenable()
841 	pm_runtime_get_sync(&data->client->dev);  in apds9960_buffer_postenable()
848 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_buffer_predisable()  local
851 	ret = regmap_field_write(data->reg_enable_ges, 0);  in apds9960_buffer_predisable()
855 	ret = regmap_field_write(data->reg_int_ges, 0);  in apds9960_buffer_predisable()
859 	pm_runtime_put_autosuspend(&data->client->dev);  in apds9960_buffer_predisable()
869 static int apds9960_regfield_init(struct apds9960_data *data)  in apds9960_regfield_init()  argument
871 	struct device *dev = &data->client->dev;  in apds9960_regfield_init()
872 	struct regmap *regmap = data->regmap;  in apds9960_regfield_init()
874 	data->reg_int_als = devm_regmap_field_alloc(dev, regmap,  in apds9960_regfield_init()
876 	if (IS_ERR(data->reg_int_als)) {  in apds9960_regfield_init()
878 		return PTR_ERR(data->reg_int_als);  in apds9960_regfield_init()
881 	data->reg_int_ges = devm_regmap_field_alloc(dev, regmap,  in apds9960_regfield_init()
883 	if (IS_ERR(data->reg_int_ges)) {  in apds9960_regfield_init()
885 		return PTR_ERR(data->reg_int_ges);  in apds9960_regfield_init()
888 	data->reg_int_pxs = devm_regmap_field_alloc(dev, regmap,  in apds9960_regfield_init()
890 	if (IS_ERR(data->reg_int_pxs)) {  in apds9960_regfield_init()
892 		return PTR_ERR(data->reg_int_pxs);  in apds9960_regfield_init()
895 	data->reg_enable_als = devm_regmap_field_alloc(dev, regmap,  in apds9960_regfield_init()
897 	if (IS_ERR(data->reg_enable_als)) {  in apds9960_regfield_init()
899 		return PTR_ERR(data->reg_enable_als);  in apds9960_regfield_init()
902 	data->reg_enable_ges = devm_regmap_field_alloc(dev, regmap,  in apds9960_regfield_init()
904 	if (IS_ERR(data->reg_enable_ges)) {  in apds9960_regfield_init()
906 		return PTR_ERR(data->reg_enable_ges);  in apds9960_regfield_init()
909 	data->reg_enable_pxs = devm_regmap_field_alloc(dev, regmap,  in apds9960_regfield_init()
911 	if (IS_ERR(data->reg_enable_pxs)) {  in apds9960_regfield_init()
913 		return PTR_ERR(data->reg_enable_pxs);  in apds9960_regfield_init()
919 static int apds9960_chip_init(struct apds9960_data *data)  in apds9960_chip_init()  argument
924 	ret = apds9960_set_it_time(data, 28000);  in apds9960_chip_init()
929 	ret = regmap_field_write(data->reg_int_ges, 0);  in apds9960_chip_init()
934 	ret = regmap_field_write(data->reg_enable_ges, 0);  in apds9960_chip_init()
939 	ret = regmap_field_write(data->reg_int_pxs, 0);  in apds9960_chip_init()
944 	ret = regmap_field_write(data->reg_enable_pxs, 1);  in apds9960_chip_init()
949 	ret = regmap_field_write(data->reg_int_als, 0);  in apds9960_chip_init()
954 	ret = regmap_field_write(data->reg_enable_als, 1);  in apds9960_chip_init()
961 	ret = regmap_write(data->regmap, APDS9960_REG_PERS,  in apds9960_chip_init()
970 	ret = regmap_update_bits(data->regmap, APDS9960_REG_GCONF_1,  in apds9960_chip_init()
977 	ret = regmap_write(data->regmap, APDS9960_REG_GPENTH,  in apds9960_chip_init()
982 	ret = regmap_write(data->regmap, APDS9960_REG_GEXTH,  in apds9960_chip_init()
987 	return apds9960_set_powermode(data, 1);  in apds9960_chip_init()
993 	struct apds9960_data *data;  in apds9960_probe()  local
998 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));  in apds9960_probe()
1016 	data = iio_priv(indio_dev);  in apds9960_probe()
1019 	data->regmap = devm_regmap_init_i2c(client, &apds9960_regmap_config);  in apds9960_probe()
1020 	if (IS_ERR(data->regmap)) {  in apds9960_probe()
1022 		return PTR_ERR(data->regmap);  in apds9960_probe()
1025 	data->client = client;  in apds9960_probe()
1026 	data->indio_dev = indio_dev;  in apds9960_probe()
1027 	mutex_init(&data->lock);  in apds9960_probe()
1037 	apds9960_set_power_state(data, true);  in apds9960_probe()
1039 	ret = apds9960_regfield_init(data);  in apds9960_probe()
1043 	ret = apds9960_chip_init(data);  in apds9960_probe()
1066 	apds9960_set_power_state(data, false);  in apds9960_probe()
1071 	apds9960_set_power_state(data, false);  in apds9960_probe()
1079 	struct apds9960_data *data = iio_priv(indio_dev);  in apds9960_remove()  local
1084 	apds9960_set_powermode(data, 0);  in apds9960_remove()
1092 	struct apds9960_data *data =  in apds9960_runtime_suspend()  local
1095 	return apds9960_set_powermode(data, 0);  in apds9960_runtime_suspend()
1100 	struct apds9960_data *data =  in apds9960_runtime_resume()  local
1103 	return apds9960_set_powermode(data, 1);  in apds9960_runtime_resume()