53 static inline int ds2781_battery_io(struct ds2781_device_info *dev_info,  in ds2781_battery_io()  argument
56 	return w1_ds2781_io(dev_info->w1_dev, buf, addr, count, io);  in ds2781_battery_io()
59 static int w1_ds2781_read(struct ds2781_device_info *dev_info, char *buf,  in w1_ds2781_read()  argument
62 	return ds2781_battery_io(dev_info, buf, addr, count, 0);  in w1_ds2781_read()
65 static inline int ds2781_read8(struct ds2781_device_info *dev_info, u8 *val,  in ds2781_read8()  argument
68 	return ds2781_battery_io(dev_info, val, addr, sizeof(u8), 0);  in ds2781_read8()
71 static int ds2781_read16(struct ds2781_device_info *dev_info, s16 *val,  in ds2781_read16()  argument
77 	ret = ds2781_battery_io(dev_info, raw, addr, sizeof(raw), 0);  in ds2781_read16()
86 static inline int ds2781_read_block(struct ds2781_device_info *dev_info,  in ds2781_read_block()  argument
89 	return ds2781_battery_io(dev_info, val, addr, count, 0);  in ds2781_read_block()
92 static inline int ds2781_write(struct ds2781_device_info *dev_info, u8 *val,  in ds2781_write()  argument
95 	return ds2781_battery_io(dev_info, val, addr, count, 1);  in ds2781_write()
108 static int ds2781_save_eeprom(struct ds2781_device_info *dev_info, int reg)  in ds2781_save_eeprom()  argument
112 	ret = ds2781_store_eeprom(dev_info->w1_dev, reg);  in ds2781_save_eeprom()
116 	ret = ds2781_recall_eeprom(dev_info->w1_dev, reg);  in ds2781_save_eeprom()
124 static int ds2781_set_sense_register(struct ds2781_device_info *dev_info,  in ds2781_set_sense_register()  argument
129 	ret = ds2781_write(dev_info, &conductance,  in ds2781_set_sense_register()
134 	return ds2781_save_eeprom(dev_info, DS2781_RSNSP);  in ds2781_set_sense_register()
138 static int ds2781_get_rsgain_register(struct ds2781_device_info *dev_info,  in ds2781_get_rsgain_register()  argument
141 	return ds2781_read16(dev_info, rsgain, DS2781_RSGAIN_MSB);  in ds2781_get_rsgain_register()
145 static int ds2781_set_rsgain_register(struct ds2781_device_info *dev_info,  in ds2781_set_rsgain_register()  argument
151 	ret = ds2781_write(dev_info, raw,  in ds2781_set_rsgain_register()
156 	return ds2781_save_eeprom(dev_info, DS2781_RSGAIN_MSB);  in ds2781_set_rsgain_register()
159 static int ds2781_get_voltage(struct ds2781_device_info *dev_info,  in ds2781_get_voltage()  argument
166 	ret = w1_ds2781_read(dev_info, val, DS2781_VOLT_MSB, 2 * sizeof(u8));  in ds2781_get_voltage()
188 static int ds2781_get_temperature(struct ds2781_device_info *dev_info,  in ds2781_get_temperature()  argument
195 	ret = w1_ds2781_read(dev_info, val, DS2781_TEMP_MSB, 2 * sizeof(u8));  in ds2781_get_temperature()
215 static int ds2781_get_current(struct ds2781_device_info *dev_info,  in ds2781_get_current()  argument
226 	ret = ds2781_read8(dev_info, &sense_res_raw, DS2781_RSNSP);  in ds2781_get_current()
231 		dev_err(dev_info->dev, "sense resistor value is 0\n");  in ds2781_get_current()
252 	ret = ds2781_read16(dev_info, &current_raw, reg_msb);  in ds2781_get_current()
260 static int ds2781_get_accumulated_current(struct ds2781_device_info *dev_info,  in ds2781_get_accumulated_current()  argument
271 	ret = ds2781_read8(dev_info, &sense_res_raw, DS2781_RSNSP);  in ds2781_get_accumulated_current()
276 		dev_err(dev_info->dev, "sense resistor value is 0\n");  in ds2781_get_accumulated_current()
289 	ret = ds2781_read16(dev_info, &current_raw, DS2781_ACR_MSB);  in ds2781_get_accumulated_current()
297 static int ds2781_get_capacity(struct ds2781_device_info *dev_info,  in ds2781_get_capacity()  argument
303 	ret = ds2781_read8(dev_info, &raw, DS2781_RARC);  in ds2781_get_capacity()
311 static int ds2781_get_status(struct ds2781_device_info *dev_info, int *status)  in ds2781_get_status()  argument
315 	ret = ds2781_get_current(dev_info, CURRENT_NOW, &current_uA);  in ds2781_get_status()
319 	ret = ds2781_get_capacity(dev_info, &capacity);  in ds2781_get_status()
323 	if (power_supply_am_i_supplied(dev_info->bat)) {  in ds2781_get_status()
336 static int ds2781_get_charge_now(struct ds2781_device_info *dev_info,  in ds2781_get_charge_now()  argument
350 	ret = ds2781_read16(dev_info, &charge_raw, DS2781_RAAC_MSB);  in ds2781_get_charge_now()
358 static int ds2781_get_control_register(struct ds2781_device_info *dev_info,  in ds2781_get_control_register()  argument
361 	return ds2781_read8(dev_info, control_reg, DS2781_CONTROL);  in ds2781_get_control_register()
364 static int ds2781_set_control_register(struct ds2781_device_info *dev_info,  in ds2781_set_control_register()  argument
369 	ret = ds2781_write(dev_info, &control_reg,  in ds2781_set_control_register()
374 	return ds2781_save_eeprom(dev_info, DS2781_CONTROL);  in ds2781_set_control_register()
382 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_battery_get_property()  local
386 		ret = ds2781_get_voltage(dev_info, &val->intval);  in ds2781_battery_get_property()
390 		ret = ds2781_get_temperature(dev_info, &val->intval);  in ds2781_battery_get_property()
402 		ret = ds2781_get_current(dev_info, CURRENT_NOW, &val->intval);  in ds2781_battery_get_property()
406 		ret = ds2781_get_current(dev_info, CURRENT_AVG, &val->intval);  in ds2781_battery_get_property()
410 		ret = ds2781_get_status(dev_info, &val->intval);  in ds2781_battery_get_property()
414 		ret = ds2781_get_capacity(dev_info, &val->intval);  in ds2781_battery_get_property()
418 		ret = ds2781_get_accumulated_current(dev_info, &val->intval);  in ds2781_battery_get_property()
422 		ret = ds2781_get_charge_now(dev_info, &val->intval);  in ds2781_battery_get_property()
452 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_pmod_enabled()  local
455 	ret = ds2781_get_control_register(dev_info, &control_reg);  in ds2781_get_pmod_enabled()
471 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_pmod_enabled()  local
474 	ret = ds2781_get_control_register(dev_info, &control_reg);  in ds2781_set_pmod_enabled()
483 		dev_err(dev_info->dev, "Invalid pmod setting (0 or 1)\n");  in ds2781_set_pmod_enabled()
492 	ret = ds2781_set_control_register(dev_info, control_reg);  in ds2781_set_pmod_enabled()
506 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_sense_resistor_value()  local
508 	ret = ds2781_read8(dev_info, &sense_resistor, DS2781_RSNSP);  in ds2781_get_sense_resistor_value()
524 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_sense_resistor_value()  local
530 	ret = ds2781_set_sense_register(dev_info, new_setting);  in ds2781_set_sense_resistor_value()
544 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_rsgain_setting()  local
546 	ret = ds2781_get_rsgain_register(dev_info, &rsgain);  in ds2781_get_rsgain_setting()
561 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_rsgain_setting()  local
569 		dev_err(dev_info->dev, "Invalid rsgain setting (0 - 1999)\n");  in ds2781_set_rsgain_setting()
573 	ret = ds2781_set_rsgain_register(dev_info, new_setting);  in ds2781_set_rsgain_setting()
587 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_pio_pin()  local
589 	ret = ds2781_read8(dev_info, &sfr, DS2781_SFR);  in ds2781_get_pio_pin()
605 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_pio_pin()  local
612 		dev_err(dev_info->dev, "Invalid pio_pin setting (0 or 1)\n");  in ds2781_set_pio_pin()
616 	ret = ds2781_write(dev_info, &new_setting,  in ds2781_set_pio_pin()
631 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_read_param_eeprom_bin()  local
633 	return ds2781_read_block(dev_info, buf,  in ds2781_read_param_eeprom_bin()
644 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_write_param_eeprom_bin()  local
647 	ret = ds2781_write(dev_info, buf,  in ds2781_write_param_eeprom_bin()
652 	ret = ds2781_save_eeprom(dev_info, DS2781_EEPROM_BLOCK1_START);  in ds2781_write_param_eeprom_bin()
676 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_read_user_eeprom_bin()  local
678 	return ds2781_read_block(dev_info, buf,  in ds2781_read_user_eeprom_bin()
690 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_write_user_eeprom_bin()  local
693 	ret = ds2781_write(dev_info, buf,  in ds2781_write_user_eeprom_bin()
698 	ret = ds2781_save_eeprom(dev_info, DS2781_EEPROM_BLOCK0_START);  in ds2781_write_user_eeprom_bin()
752 	struct ds2781_device_info *dev_info;  in ds2781_battery_probe()  local
754 	dev_info = devm_kzalloc(&pdev->dev, sizeof(*dev_info), GFP_KERNEL);  in ds2781_battery_probe()
755 	if (!dev_info)  in ds2781_battery_probe()
758 	platform_set_drvdata(pdev, dev_info);  in ds2781_battery_probe()
760 	dev_info->dev			= &pdev->dev;  in ds2781_battery_probe()
761 	dev_info->w1_dev		= pdev->dev.parent;  in ds2781_battery_probe()
762 	dev_info->bat_desc.name		= dev_name(&pdev->dev);  in ds2781_battery_probe()
763 	dev_info->bat_desc.type		= POWER_SUPPLY_TYPE_BATTERY;  in ds2781_battery_probe()
764 	dev_info->bat_desc.properties	= ds2781_battery_props;  in ds2781_battery_probe()
765 	dev_info->bat_desc.num_properties = ARRAY_SIZE(ds2781_battery_props);  in ds2781_battery_probe()
766 	dev_info->bat_desc.get_property	= ds2781_battery_get_property;  in ds2781_battery_probe()
768 	psy_cfg.drv_data		= dev_info;  in ds2781_battery_probe()
771 	dev_info->bat = devm_power_supply_register(&pdev->dev,  in ds2781_battery_probe()
772 						   &dev_info->bat_desc,  in ds2781_battery_probe()
774 	if (IS_ERR(dev_info->bat)) {  in ds2781_battery_probe()
775 		dev_err(dev_info->dev, "failed to register battery\n");  in ds2781_battery_probe()
776 		return PTR_ERR(dev_info->bat);  in ds2781_battery_probe()