142 cpcap_battery_get_state(struct cpcap_battery_ddata *ddata,  in cpcap_battery_get_state()  argument
148 	return &ddata->state[state];  in cpcap_battery_get_state()
152 cpcap_battery_latest(struct cpcap_battery_ddata *ddata)  in cpcap_battery_latest()  argument
154 	return cpcap_battery_get_state(ddata, CPCAP_BATTERY_STATE_LATEST);  in cpcap_battery_latest()
158 cpcap_battery_previous(struct cpcap_battery_ddata *ddata)  in cpcap_battery_previous()  argument
160 	return cpcap_battery_get_state(ddata, CPCAP_BATTERY_STATE_PREVIOUS);  in cpcap_battery_previous()
163 static int cpcap_charger_battery_temperature(struct cpcap_battery_ddata *ddata,  in cpcap_charger_battery_temperature()  argument
169 	channel = ddata->channels[CPCAP_BATTERY_IIO_BATTDET];  in cpcap_charger_battery_temperature()
172 		dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);  in cpcap_charger_battery_temperature()
183 static int cpcap_battery_get_voltage(struct cpcap_battery_ddata *ddata)  in cpcap_battery_get_voltage()  argument
188 	channel = ddata->channels[CPCAP_BATTERY_IIO_VOLTAGE];  in cpcap_battery_get_voltage()
191 		dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);  in cpcap_battery_get_voltage()
199 static int cpcap_battery_get_current(struct cpcap_battery_ddata *ddata)  in cpcap_battery_get_current()  argument
204 	channel = ddata->channels[CPCAP_BATTERY_IIO_BATT_CURRENT];  in cpcap_battery_get_current()
207 		dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);  in cpcap_battery_get_current()
236 static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata,  in cpcap_battery_cc_raw_div()  argument
247 	acc *= ddata->cc_lsb;  in cpcap_battery_cc_raw_div()
255 static int cpcap_battery_cc_to_uah(struct cpcap_battery_ddata *ddata,  in cpcap_battery_cc_to_uah()  argument
259 	return cpcap_battery_cc_raw_div(ddata, sample,  in cpcap_battery_cc_to_uah()
264 static int cpcap_battery_cc_to_ua(struct cpcap_battery_ddata *ddata,  in cpcap_battery_cc_to_ua()  argument
268 	return cpcap_battery_cc_raw_div(ddata, sample,  in cpcap_battery_cc_to_ua()
290 cpcap_battery_read_accumulated(struct cpcap_battery_ddata *ddata,  in cpcap_battery_read_accumulated()  argument
302 	error = regmap_bulk_read(ddata->reg, CPCAP_REG_CCS1,  in cpcap_battery_read_accumulated()
310 	if (ddata->vendor == CPCAP_VENDOR_TI)  in cpcap_battery_read_accumulated()
325 	if (ddata->vendor == CPCAP_VENDOR_TI)  in cpcap_battery_read_accumulated()
330 	return cpcap_battery_cc_to_uah(ddata,  in cpcap_battery_read_accumulated()
340 static int cpcap_battery_cc_get_avg_current(struct cpcap_battery_ddata *ddata)  in cpcap_battery_cc_get_avg_current()  argument
347 	error = regmap_read(ddata->reg, CPCAP_REG_CCI, &value);  in cpcap_battery_cc_get_avg_current()
351 	if (ddata->vendor == CPCAP_VENDOR_TI) {  in cpcap_battery_cc_get_avg_current()
360 	error = regmap_read(ddata->reg, CPCAP_REG_CCM, &value);  in cpcap_battery_cc_get_avg_current()
366 	return cpcap_battery_cc_to_ua(ddata, sample, acc, offset);  in cpcap_battery_cc_get_avg_current()
369 static bool cpcap_battery_full(struct cpcap_battery_ddata *ddata)  in cpcap_battery_full()  argument
371 	struct cpcap_battery_state_data *state = cpcap_battery_latest(ddata);  in cpcap_battery_full()
374 	    (ddata->config.bat.constant_charge_voltage_max_uv - 18000))  in cpcap_battery_full()
380 static int cpcap_battery_update_status(struct cpcap_battery_ddata *ddata)  in cpcap_battery_update_status()  argument
389 	latest = cpcap_battery_latest(ddata);  in cpcap_battery_update_status()
398 	state.voltage = cpcap_battery_get_voltage(ddata);  in cpcap_battery_update_status()
399 	state.current_ua = cpcap_battery_get_current(ddata);  in cpcap_battery_update_status()
400 	state.counter_uah = cpcap_battery_read_accumulated(ddata, &state.cc);  in cpcap_battery_update_status()
402 	error = cpcap_charger_battery_temperature(ddata,  in cpcap_battery_update_status()
407 	previous = cpcap_battery_previous(ddata);  in cpcap_battery_update_status()
437 	struct cpcap_battery_ddata *ddata = power_supply_get_drvdata(psy);  in cpcap_battery_get_property()  local
444 	cached = cpcap_battery_update_status(ddata);  in cpcap_battery_get_property()
448 	latest = cpcap_battery_latest(ddata);  in cpcap_battery_get_property()
449 	previous = cpcap_battery_previous(ddata);  in cpcap_battery_get_property()
459 		if (cpcap_battery_full(ddata)) {  in cpcap_battery_get_property()
463 		if (cpcap_battery_cc_get_avg_current(ddata) < 0)  in cpcap_battery_get_property()
469 		val->intval = ddata->config.info.technology;  in cpcap_battery_get_property()
472 		val->intval = cpcap_battery_get_voltage(ddata);  in cpcap_battery_get_property()
475 		val->intval = ddata->config.info.voltage_max_design;  in cpcap_battery_get_property()
478 		val->intval = ddata->config.info.voltage_min_design;  in cpcap_battery_get_property()
481 		val->intval = ddata->config.bat.constant_charge_voltage_max_uv;  in cpcap_battery_get_property()
486 			val->intval = cpcap_battery_cc_get_avg_current(ddata);  in cpcap_battery_get_property()
490 		val->intval = cpcap_battery_cc_to_ua(ddata, sample,  in cpcap_battery_get_property()
507 			tmp = cpcap_battery_cc_get_avg_current(ddata);  in cpcap_battery_get_property()
513 		tmp = cpcap_battery_cc_to_ua(ddata, sample, accumulator,  in cpcap_battery_get_property()
519 		if (cpcap_battery_full(ddata))  in cpcap_battery_get_property()
533 		val->intval = ddata->config.info.charge_full_design;  in cpcap_battery_get_property()
548 static int cpcap_battery_update_charger(struct cpcap_battery_ddata *ddata,  in cpcap_battery_update_charger()  argument
585 	struct cpcap_battery_ddata *ddata = power_supply_get_drvdata(psy);  in cpcap_battery_set_property()  local
589 		if (val->intval < ddata->config.info.voltage_min_design)  in cpcap_battery_set_property()
591 		if (val->intval > ddata->config.info.voltage_max_design)  in cpcap_battery_set_property()
594 		ddata->config.bat.constant_charge_voltage_max_uv = val->intval;  in cpcap_battery_set_property()
596 		return cpcap_battery_update_charger(ddata, val->intval);  in cpcap_battery_set_property()
617 	struct cpcap_battery_ddata *ddata = data;  in cpcap_battery_irq_thread()  local
621 	if (!atomic_read(&ddata->active))  in cpcap_battery_irq_thread()
624 	list_for_each_entry(d, &ddata->irq_list, node) {  in cpcap_battery_irq_thread()
629 	if (list_entry_is_head(d, &ddata->irq_list, node))  in cpcap_battery_irq_thread()
632 	latest = cpcap_battery_latest(ddata);  in cpcap_battery_irq_thread()
636 		dev_info(ddata->dev, "Coulomb counter calibration done\n");  in cpcap_battery_irq_thread()
640 			dev_warn(ddata->dev, "Battery low at %imV!\n",  in cpcap_battery_irq_thread()
645 			dev_emerg(ddata->dev,  in cpcap_battery_irq_thread()
655 	power_supply_changed(ddata->psy);  in cpcap_battery_irq_thread()
661 				  struct cpcap_battery_ddata *ddata,  in cpcap_battery_init_irq()  argument
671 	error = devm_request_threaded_irq(ddata->dev, irq, NULL,  in cpcap_battery_init_irq()
674 					  name, ddata);  in cpcap_battery_init_irq()
676 		dev_err(ddata->dev, "could not get irq %s: %i\n",  in cpcap_battery_init_irq()
682 	d = devm_kzalloc(ddata->dev, sizeof(*d), GFP_KERNEL);  in cpcap_battery_init_irq()
696 	list_add(&d->node, &ddata->irq_list);  in cpcap_battery_init_irq()
702 					 struct cpcap_battery_ddata *ddata)  in cpcap_battery_init_interrupts()  argument
711 		error = cpcap_battery_init_irq(pdev, ddata,  in cpcap_battery_init_interrupts()
718 	cpcap_battery_init_irq(pdev, ddata, "cccal");  in cpcap_battery_init_interrupts()
721 	error = regmap_update_bits(ddata->reg, CPCAP_REG_BPEOL,  in cpcap_battery_init_interrupts()
730 static int cpcap_battery_init_iio(struct cpcap_battery_ddata *ddata)  in cpcap_battery_init_iio()  argument
738 		ddata->channels[i] = devm_iio_channel_get(ddata->dev,  in cpcap_battery_init_iio()
740 		if (IS_ERR(ddata->channels[i])) {  in cpcap_battery_init_iio()
741 			error = PTR_ERR(ddata->channels[i]);  in cpcap_battery_init_iio()
745 		if (!ddata->channels[i]->indio_dev) {  in cpcap_battery_init_iio()
754 	return dev_err_probe(ddata->dev, error,  in cpcap_battery_init_iio()
759 static int cpcap_battery_calibrate(struct cpcap_battery_ddata *ddata)  in cpcap_battery_calibrate()  argument
764 	error = regmap_read(ddata->reg, CPCAP_REG_CCC1, &ccc1);  in cpcap_battery_calibrate()
771 	error = regmap_update_bits(ddata->reg, CPCAP_REG_CCC1,  in cpcap_battery_calibrate()
778 		error = regmap_read(ddata->reg, CPCAP_REG_CCC1, &value);  in cpcap_battery_calibrate()
785 		error = regmap_read(ddata->reg, CPCAP_REG_CCM, &value);  in cpcap_battery_calibrate()
793 	error = regmap_read(ddata->reg, CPCAP_REG_CCM, &value);  in cpcap_battery_calibrate()
797 	dev_info(ddata->dev, "calibration done: 0x%04x\n", value);  in cpcap_battery_calibrate()
801 		dev_err(ddata->dev, "%s: error %i\n", __func__, error);  in cpcap_battery_calibrate()
803 	error = regmap_update_bits(ddata->reg, CPCAP_REG_CCC1,  in cpcap_battery_calibrate()
806 		dev_err(ddata->dev, "%s: restore error %i\n",  in cpcap_battery_calibrate()
845 	struct cpcap_battery_ddata *ddata;  in cpcap_battery_probe()  local
861 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in cpcap_battery_probe()
862 	if (!ddata)  in cpcap_battery_probe()
865 	INIT_LIST_HEAD(&ddata->irq_list);  in cpcap_battery_probe()
866 	ddata->dev = &pdev->dev;  in cpcap_battery_probe()
867 	memcpy(&ddata->config, match->data, sizeof(ddata->config));  in cpcap_battery_probe()
869 	ddata->reg = dev_get_regmap(ddata->dev->parent, NULL);  in cpcap_battery_probe()
870 	if (!ddata->reg)  in cpcap_battery_probe()
873 	error = cpcap_get_vendor(ddata->dev, ddata->reg, &ddata->vendor);  in cpcap_battery_probe()
877 	switch (ddata->vendor) {  in cpcap_battery_probe()
879 		ddata->cc_lsb = 95374;	/* μAms per LSB */  in cpcap_battery_probe()
882 		ddata->cc_lsb = 91501;	/* μAms per LSB */  in cpcap_battery_probe()
887 	ddata->cc_lsb = (ddata->cc_lsb * ddata->config.cd_factor) / 1000;  in cpcap_battery_probe()
889 	platform_set_drvdata(pdev, ddata);  in cpcap_battery_probe()
891 	error = cpcap_battery_init_interrupts(pdev, ddata);  in cpcap_battery_probe()
895 	error = cpcap_battery_init_iio(ddata);  in cpcap_battery_probe()
899 	psy_desc = devm_kzalloc(ddata->dev, sizeof(*psy_desc), GFP_KERNEL);  in cpcap_battery_probe()
912 	psy_cfg.drv_data = ddata;  in cpcap_battery_probe()
914 	ddata->psy = devm_power_supply_register(ddata->dev, psy_desc,  in cpcap_battery_probe()
916 	error = PTR_ERR_OR_ZERO(ddata->psy);  in cpcap_battery_probe()
918 		dev_err(ddata->dev, "failed to register power supply\n");  in cpcap_battery_probe()
922 	atomic_set(&ddata->active, 1);  in cpcap_battery_probe()
924 	error = cpcap_battery_calibrate(ddata);  in cpcap_battery_probe()
933 	struct cpcap_battery_ddata *ddata = platform_get_drvdata(pdev);  in cpcap_battery_remove()  local
936 	atomic_set(&ddata->active, 0);  in cpcap_battery_remove()
937 	error = regmap_update_bits(ddata->reg, CPCAP_REG_BPEOL,  in cpcap_battery_remove()