62 static inline int ds2781_battery_io(struct ds2781_device_info *dev_info,  in ds2781_battery_io()  argument
65 	return w1_ds2781_io(dev_info->w1_dev, buf, addr, count, io);  in ds2781_battery_io()
68 static int w1_ds2781_read(struct ds2781_device_info *dev_info, char *buf,  in w1_ds2781_read()  argument
71 	return ds2781_battery_io(dev_info, buf, addr, count, 0);  in w1_ds2781_read()
74 static inline int ds2781_read8(struct ds2781_device_info *dev_info, u8 *val,  in ds2781_read8()  argument
77 	return ds2781_battery_io(dev_info, val, addr, sizeof(u8), 0);  in ds2781_read8()
80 static int ds2781_read16(struct ds2781_device_info *dev_info, s16 *val,  in ds2781_read16()  argument
86 	ret = ds2781_battery_io(dev_info, raw, addr, sizeof(raw), 0);  in ds2781_read16()
95 static inline int ds2781_read_block(struct ds2781_device_info *dev_info,  in ds2781_read_block()  argument
98 	return ds2781_battery_io(dev_info, val, addr, count, 0);  in ds2781_read_block()
101 static inline int ds2781_write(struct ds2781_device_info *dev_info, u8 *val,  in ds2781_write()  argument
104 	return ds2781_battery_io(dev_info, val, addr, count, 1);  in ds2781_write()
117 static int ds2781_save_eeprom(struct ds2781_device_info *dev_info, int reg)  in ds2781_save_eeprom()  argument
121 	ret = ds2781_store_eeprom(dev_info->w1_dev, reg);  in ds2781_save_eeprom()
125 	ret = ds2781_recall_eeprom(dev_info->w1_dev, reg);  in ds2781_save_eeprom()
133 static int ds2781_set_sense_register(struct ds2781_device_info *dev_info,  in ds2781_set_sense_register()  argument
138 	ret = ds2781_write(dev_info, &conductance,  in ds2781_set_sense_register()
143 	return ds2781_save_eeprom(dev_info, DS2781_RSNSP);  in ds2781_set_sense_register()
147 static int ds2781_get_rsgain_register(struct ds2781_device_info *dev_info,  in ds2781_get_rsgain_register()  argument
150 	return ds2781_read16(dev_info, rsgain, DS2781_RSGAIN_MSB);  in ds2781_get_rsgain_register()
154 static int ds2781_set_rsgain_register(struct ds2781_device_info *dev_info,  in ds2781_set_rsgain_register()  argument
160 	ret = ds2781_write(dev_info, raw,  in ds2781_set_rsgain_register()
165 	return ds2781_save_eeprom(dev_info, DS2781_RSGAIN_MSB);  in ds2781_set_rsgain_register()
168 static int ds2781_get_voltage(struct ds2781_device_info *dev_info,  in ds2781_get_voltage()  argument
175 	ret = w1_ds2781_read(dev_info, val, DS2781_VOLT_MSB, 2 * sizeof(u8));  in ds2781_get_voltage()
197 static int ds2781_get_temperature(struct ds2781_device_info *dev_info,  in ds2781_get_temperature()  argument
204 	ret = w1_ds2781_read(dev_info, val, DS2781_TEMP_MSB, 2 * sizeof(u8));  in ds2781_get_temperature()
224 static int ds2781_get_current(struct ds2781_device_info *dev_info,  in ds2781_get_current()  argument
235 	ret = ds2781_read8(dev_info, &sense_res_raw, DS2781_RSNSP);  in ds2781_get_current()
240 		dev_err(dev_info->dev, "sense resistor value is 0\n");  in ds2781_get_current()
261 	ret = ds2781_read16(dev_info, &current_raw, reg_msb);  in ds2781_get_current()
269 static int ds2781_get_accumulated_current(struct ds2781_device_info *dev_info,  in ds2781_get_accumulated_current()  argument
280 	ret = ds2781_read8(dev_info, &sense_res_raw, DS2781_RSNSP);  in ds2781_get_accumulated_current()
285 		dev_err(dev_info->dev, "sense resistor value is 0\n");  in ds2781_get_accumulated_current()
298 	ret = ds2781_read16(dev_info, &current_raw, DS2781_ACR_MSB);  in ds2781_get_accumulated_current()
306 static int ds2781_get_capacity(struct ds2781_device_info *dev_info,  in ds2781_get_capacity()  argument
312 	ret = ds2781_read8(dev_info, &raw, DS2781_RARC);  in ds2781_get_capacity()
320 static int ds2781_get_status(struct ds2781_device_info *dev_info, int *status)  in ds2781_get_status()  argument
324 	ret = ds2781_get_current(dev_info, CURRENT_NOW, &current_uA);  in ds2781_get_status()
328 	ret = ds2781_get_capacity(dev_info, &capacity);  in ds2781_get_status()
332 	if (power_supply_am_i_supplied(dev_info->bat)) {  in ds2781_get_status()
345 static int ds2781_get_charge_now(struct ds2781_device_info *dev_info,  in ds2781_get_charge_now()  argument
359 	ret = ds2781_read16(dev_info, &charge_raw, DS2781_RAAC_MSB);  in ds2781_get_charge_now()
367 static int ds2781_get_control_register(struct ds2781_device_info *dev_info,  in ds2781_get_control_register()  argument
370 	return ds2781_read8(dev_info, control_reg, DS2781_CONTROL);  in ds2781_get_control_register()
373 static int ds2781_set_control_register(struct ds2781_device_info *dev_info,  in ds2781_set_control_register()  argument
378 	ret = ds2781_write(dev_info, &control_reg,  in ds2781_set_control_register()
383 	return ds2781_save_eeprom(dev_info, DS2781_CONTROL);  in ds2781_set_control_register()
391 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_battery_get_property()  local
395 		ret = ds2781_get_voltage(dev_info, &val->intval);  in ds2781_battery_get_property()
399 		ret = ds2781_get_temperature(dev_info, &val->intval);  in ds2781_battery_get_property()
411 		ret = ds2781_get_current(dev_info, CURRENT_NOW, &val->intval);  in ds2781_battery_get_property()
415 		ret = ds2781_get_current(dev_info, CURRENT_AVG, &val->intval);  in ds2781_battery_get_property()
419 		ret = ds2781_get_status(dev_info, &val->intval);  in ds2781_battery_get_property()
423 		ret = ds2781_get_capacity(dev_info, &val->intval);  in ds2781_battery_get_property()
427 		ret = ds2781_get_accumulated_current(dev_info, &val->intval);  in ds2781_battery_get_property()
431 		ret = ds2781_get_charge_now(dev_info, &val->intval);  in ds2781_battery_get_property()
461 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_pmod_enabled()  local
464 	ret = ds2781_get_control_register(dev_info, &control_reg);  in ds2781_get_pmod_enabled()
480 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_pmod_enabled()  local
483 	ret = ds2781_get_control_register(dev_info, &control_reg);  in ds2781_set_pmod_enabled()
492 		dev_err(dev_info->dev, "Invalid pmod setting (0 or 1)\n");  in ds2781_set_pmod_enabled()
501 	ret = ds2781_set_control_register(dev_info, control_reg);  in ds2781_set_pmod_enabled()
515 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_sense_resistor_value()  local
517 	ret = ds2781_read8(dev_info, &sense_resistor, DS2781_RSNSP);  in ds2781_get_sense_resistor_value()
533 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_sense_resistor_value()  local
539 	ret = ds2781_set_sense_register(dev_info, new_setting);  in ds2781_set_sense_resistor_value()
553 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_rsgain_setting()  local
555 	ret = ds2781_get_rsgain_register(dev_info, &rsgain);  in ds2781_get_rsgain_setting()
570 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_rsgain_setting()  local
578 		dev_err(dev_info->dev, "Invalid rsgain setting (0 - 1999)\n");  in ds2781_set_rsgain_setting()
582 	ret = ds2781_set_rsgain_register(dev_info, new_setting);  in ds2781_set_rsgain_setting()
596 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_get_pio_pin()  local
598 	ret = ds2781_read8(dev_info, &sfr, DS2781_SFR);  in ds2781_get_pio_pin()
614 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_set_pio_pin()  local
621 		dev_err(dev_info->dev, "Invalid pio_pin setting (0 or 1)\n");  in ds2781_set_pio_pin()
625 	ret = ds2781_write(dev_info, &new_setting,  in ds2781_set_pio_pin()
640 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_read_param_eeprom_bin()  local
642 	return ds2781_read_block(dev_info, buf,  in ds2781_read_param_eeprom_bin()
653 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_write_param_eeprom_bin()  local
656 	ret = ds2781_write(dev_info, buf,  in ds2781_write_param_eeprom_bin()
661 	ret = ds2781_save_eeprom(dev_info, DS2781_EEPROM_BLOCK1_START);  in ds2781_write_param_eeprom_bin()
685 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_read_user_eeprom_bin()  local
687 	return ds2781_read_block(dev_info, buf,  in ds2781_read_user_eeprom_bin()
699 	struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);  in ds2781_write_user_eeprom_bin()  local
702 	ret = ds2781_write(dev_info, buf,  in ds2781_write_user_eeprom_bin()
707 	ret = ds2781_save_eeprom(dev_info, DS2781_EEPROM_BLOCK0_START);  in ds2781_write_user_eeprom_bin()
750 	struct ds2781_device_info *dev_info;  in ds2781_battery_probe()  local
752 	dev_info = devm_kzalloc(&pdev->dev, sizeof(*dev_info), GFP_KERNEL);  in ds2781_battery_probe()
753 	if (!dev_info)  in ds2781_battery_probe()
756 	platform_set_drvdata(pdev, dev_info);  in ds2781_battery_probe()
758 	dev_info->dev			= &pdev->dev;  in ds2781_battery_probe()
759 	dev_info->w1_dev		= pdev->dev.parent;  in ds2781_battery_probe()
760 	dev_info->bat_desc.name		= dev_name(&pdev->dev);  in ds2781_battery_probe()
761 	dev_info->bat_desc.type		= POWER_SUPPLY_TYPE_BATTERY;  in ds2781_battery_probe()
762 	dev_info->bat_desc.properties	= ds2781_battery_props;  in ds2781_battery_probe()
763 	dev_info->bat_desc.num_properties = ARRAY_SIZE(ds2781_battery_props);  in ds2781_battery_probe()
764 	dev_info->bat_desc.get_property	= ds2781_battery_get_property;  in ds2781_battery_probe()
766 	psy_cfg.drv_data		= dev_info;  in ds2781_battery_probe()
768 	dev_info->bat = power_supply_register(&pdev->dev, &dev_info->bat_desc,  in ds2781_battery_probe()
770 	if (IS_ERR(dev_info->bat)) {  in ds2781_battery_probe()
771 		dev_err(dev_info->dev, "failed to register battery\n");  in ds2781_battery_probe()
772 		ret = PTR_ERR(dev_info->bat);  in ds2781_battery_probe()
776 	ret = sysfs_create_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);  in ds2781_battery_probe()
778 		dev_err(dev_info->dev, "failed to create sysfs group\n");  in ds2781_battery_probe()
782 	ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,  in ds2781_battery_probe()
785 		dev_err(dev_info->dev,  in ds2781_battery_probe()
790 	ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,  in ds2781_battery_probe()
793 		dev_err(dev_info->dev,  in ds2781_battery_probe()
801 	sysfs_remove_bin_file(&dev_info->bat->dev.kobj,  in ds2781_battery_probe()
804 	sysfs_remove_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);  in ds2781_battery_probe()
806 	power_supply_unregister(dev_info->bat);  in ds2781_battery_probe()
813 	struct ds2781_device_info *dev_info = platform_get_drvdata(pdev);  in ds2781_battery_remove()  local
819 	sysfs_remove_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);  in ds2781_battery_remove()
821 	power_supply_unregister(dev_info->bat);  in ds2781_battery_remove()