diff options
Diffstat (limited to 'drivers/power/supply/goldfish_battery.c')
| -rw-r--r-- | drivers/power/supply/goldfish_battery.c | 88 |
1 files changed, 60 insertions, 28 deletions
diff --git a/drivers/power/supply/goldfish_battery.c b/drivers/power/supply/goldfish_battery.c index f5c525e4482a..ad969d9fc981 100644 --- a/drivers/power/supply/goldfish_battery.c +++ b/drivers/power/supply/goldfish_battery.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL /* * Power supply driver for the goldfish emulator * @@ -5,15 +6,6 @@ * Copyright (C) 2012 Intel, Inc. * Copyright (C) 2013 Intel, Inc. * Author: Mike Lockwood <lockwood@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> @@ -40,27 +32,30 @@ struct goldfish_battery_data { #define GOLDFISH_BATTERY_WRITE(data, addr, x) \ (writel(x, data->reg_base + addr)) -/* - * Temporary variable used between goldfish_battery_probe() and - * goldfish_battery_open(). - */ -static struct goldfish_battery_data *battery_data; - enum { /* status register */ - BATTERY_INT_STATUS = 0x00, + BATTERY_INT_STATUS = 0x00, /* set this to enable IRQ */ - BATTERY_INT_ENABLE = 0x04, - - BATTERY_AC_ONLINE = 0x08, - BATTERY_STATUS = 0x0C, - BATTERY_HEALTH = 0x10, - BATTERY_PRESENT = 0x14, - BATTERY_CAPACITY = 0x18, + BATTERY_INT_ENABLE = 0x04, + + BATTERY_AC_ONLINE = 0x08, + BATTERY_STATUS = 0x0C, + BATTERY_HEALTH = 0x10, + BATTERY_PRESENT = 0x14, + BATTERY_CAPACITY = 0x18, + BATTERY_VOLTAGE = 0x1C, + BATTERY_TEMP = 0x20, + BATTERY_CHARGE_COUNTER = 0x24, + BATTERY_VOLTAGE_MAX = 0x28, + BATTERY_CURRENT_MAX = 0x2C, + BATTERY_CURRENT_NOW = 0x30, + BATTERY_CURRENT_AVG = 0x34, + BATTERY_CHARGE_FULL_UAH = 0x38, + BATTERY_CYCLE_COUNT = 0x40, BATTERY_STATUS_CHANGED = 1U << 0, AC_STATUS_CHANGED = 1U << 1, - BATTERY_INT_MASK = BATTERY_STATUS_CHANGED | AC_STATUS_CHANGED, + BATTERY_INT_MASK = BATTERY_STATUS_CHANGED | AC_STATUS_CHANGED, }; @@ -75,6 +70,12 @@ static int goldfish_ac_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_ONLINE: val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_AC_ONLINE); break; + case POWER_SUPPLY_PROP_VOLTAGE_MAX: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_VOLTAGE_MAX); + break; + case POWER_SUPPLY_PROP_CURRENT_MAX: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_CURRENT_MAX); + break; default: ret = -EINVAL; break; @@ -105,6 +106,29 @@ static int goldfish_battery_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_CAPACITY: val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_CAPACITY); break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_VOLTAGE); + break; + case POWER_SUPPLY_PROP_TEMP: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_TEMP); + break; + case POWER_SUPPLY_PROP_CHARGE_COUNTER: + val->intval = GOLDFISH_BATTERY_READ(data, + BATTERY_CHARGE_COUNTER); + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_CURRENT_NOW); + break; + case POWER_SUPPLY_PROP_CURRENT_AVG: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_CURRENT_AVG); + break; + case POWER_SUPPLY_PROP_CHARGE_FULL: + val->intval = GOLDFISH_BATTERY_READ(data, + BATTERY_CHARGE_FULL_UAH); + break; + case POWER_SUPPLY_PROP_CYCLE_COUNT: + val->intval = GOLDFISH_BATTERY_READ(data, BATTERY_CYCLE_COUNT); + break; default: ret = -EINVAL; break; @@ -119,10 +143,19 @@ static enum power_supply_property goldfish_battery_props[] = { POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_TECHNOLOGY, POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_CHARGE_COUNTER, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CURRENT_AVG, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CYCLE_COUNT, }; static enum power_supply_property goldfish_ac_props[] = { POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_CURRENT_MAX, }; static irqreturn_t goldfish_battery_interrupt(int irq, void *dev_id) @@ -193,8 +226,9 @@ static int goldfish_battery_probe(struct platform_device *pdev) return -ENODEV; } - ret = devm_request_irq(&pdev->dev, data->irq, goldfish_battery_interrupt, - IRQF_SHARED, pdev->name, data); + ret = devm_request_irq(&pdev->dev, data->irq, + goldfish_battery_interrupt, + IRQF_SHARED, pdev->name, data); if (ret) return ret; @@ -212,7 +246,6 @@ static int goldfish_battery_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, data); - battery_data = data; GOLDFISH_BATTERY_WRITE(data, BATTERY_INT_ENABLE, BATTERY_INT_MASK); return 0; @@ -224,7 +257,6 @@ static int goldfish_battery_remove(struct platform_device *pdev) power_supply_unregister(data->battery); power_supply_unregister(data->ac); - battery_data = NULL; return 0; } |