mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
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Merge git://git.infradead.org/battery-2.6
* git://git.infradead.org/battery-2.6: PXA: Use dev_pm_ops in z2_battery ds2760_battery: Fix rated capacity of the hx4700 1800mAh battery ds2760_battery: Fix indexing of the 4 active full EEPROM registers power: Make test_power driver more dynamic. bq27x00_battery: Name of cycle count property max8903_charger: Add GENERIC_HARDIRQS as a dependency (fixes S390 build) ARM: RX-51: Enable isp1704 power on/off isp1704_charger: Allow board specific powering routine gpio-charger: Add gpio_charger_resume power_supply: Add driver for MAX8903 charger
This commit is contained in:
Linus Torvalds
commit
ea0ca3a843
@ -23,6 +23,7 @@
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/mmc/host.h>
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#include <linux/power/isp1704_charger.h>
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#include <plat/mcspi.h>
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#include <plat/board.h>
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@ -53,6 +54,8 @@
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#define RX51_FMTX_RESET_GPIO 163
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#define RX51_FMTX_IRQ 53
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#define RX51_USB_TRANSCEIVER_RST_GPIO 67
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/* list all spi devices here */
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enum {
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RX51_SPI_WL1251,
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@ -111,10 +114,30 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
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},
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};
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static struct platform_device rx51_charger_device = {
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.name = "isp1704_charger",
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static void rx51_charger_set_power(bool on)
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{
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gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, on);
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}
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static struct isp1704_charger_data rx51_charger_data = {
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.set_power = rx51_charger_set_power,
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};
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static struct platform_device rx51_charger_device = {
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.name = "isp1704_charger",
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.dev = {
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.platform_data = &rx51_charger_data,
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},
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};
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static void __init rx51_charger_init(void)
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{
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WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO,
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GPIOF_OUT_INIT_LOW, "isp1704_reset"));
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platform_device_register(&rx51_charger_device);
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}
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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#define RX51_GPIO_CAMERA_LENS_COVER 110
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@ -961,6 +984,6 @@ void __init rx51_peripherals_init(void)
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if (partition)
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omap2_hsmmc_init(mmc);
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platform_device_register(&rx51_charger_device);
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rx51_charger_init();
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}
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@ -210,6 +210,15 @@ config CHARGER_ISP1704
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Say Y to enable support for USB Charger Detection with
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ISP1707/ISP1704 USB transceivers.
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config CHARGER_MAX8903
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tristate "MAX8903 Battery DC-DC Charger for USB and Adapter Power"
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depends on GENERIC_HARDIRQS
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help
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Say Y to enable support for the MAX8903 DC-DC charger and sysfs.
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The driver supports controlling charger-enable and current-limit
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pins based on the status of charger connections with interrupt
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handlers.
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config CHARGER_TWL4030
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tristate "OMAP TWL4030 BCI charger driver"
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depends on TWL4030_CORE
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@ -33,5 +33,6 @@ obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o
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obj-$(CONFIG_BATTERY_JZ4740) += jz4740-battery.o
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obj-$(CONFIG_BATTERY_INTEL_MID) += intel_mid_battery.o
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obj-$(CONFIG_CHARGER_ISP1704) += isp1704_charger.o
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obj-$(CONFIG_CHARGER_MAX8903) += max8903_charger.o
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obj-$(CONFIG_CHARGER_TWL4030) += twl4030_charger.o
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obj-$(CONFIG_CHARGER_GPIO) += gpio-charger.o
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@ -4,6 +4,7 @@
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* Copyright (C) 2008 Rodolfo Giometti <giometti@linux.it>
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* Copyright (C) 2008 Eurotech S.p.A. <info@eurotech.it>
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* Copyright (C) 2010-2011 Lars-Peter Clausen <lars@metafoo.de>
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* Copyright (C) 2011 Pali Rohár <pali.rohar@gmail.com>
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*
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* Based on a previous work by Copyright (C) 2008 Texas Instruments, Inc.
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*
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@ -76,7 +77,7 @@ struct bq27x00_reg_cache {
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int time_to_empty_avg;
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int time_to_full;
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int charge_full;
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int charge_counter;
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int cycle_count;
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int capacity;
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int flags;
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@ -115,7 +116,7 @@ static enum power_supply_property bq27x00_battery_props[] = {
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POWER_SUPPLY_PROP_CHARGE_FULL,
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POWER_SUPPLY_PROP_CHARGE_NOW,
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POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
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POWER_SUPPLY_PROP_CHARGE_COUNTER,
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POWER_SUPPLY_PROP_CYCLE_COUNT,
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POWER_SUPPLY_PROP_ENERGY_NOW,
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};
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@ -267,7 +268,7 @@ static void bq27x00_update(struct bq27x00_device_info *di)
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cache.time_to_empty_avg = bq27x00_battery_read_time(di, BQ27x00_REG_TTECP);
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cache.time_to_full = bq27x00_battery_read_time(di, BQ27x00_REG_TTF);
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cache.charge_full = bq27x00_battery_read_lmd(di);
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cache.charge_counter = bq27x00_battery_read_cyct(di);
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cache.cycle_count = bq27x00_battery_read_cyct(di);
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if (!is_bq27500)
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cache.current_now = bq27x00_read(di, BQ27x00_REG_AI, false);
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@ -496,8 +497,8 @@ static int bq27x00_battery_get_property(struct power_supply *psy,
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case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
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ret = bq27x00_simple_value(di->charge_design_full, val);
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break;
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case POWER_SUPPLY_PROP_CHARGE_COUNTER:
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ret = bq27x00_simple_value(di->cache.charge_counter, val);
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case POWER_SUPPLY_PROP_CYCLE_COUNT:
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ret = bq27x00_simple_value(di->cache.cycle_count, val);
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break;
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case POWER_SUPPLY_PROP_ENERGY_NOW:
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ret = bq27x00_battery_energy(di, val);
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@ -86,7 +86,11 @@ static int rated_capacities[] = {
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920, /* NEC */
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1440, /* Samsung */
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1440, /* BYD */
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#ifdef CONFIG_MACH_H4700
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1800, /* HP iPAQ hx4700 3.7V 1800mAh (359113-001) */
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#else
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1440, /* Lishen */
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#endif
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1440, /* NEC */
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2880, /* Samsung */
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2880, /* BYD */
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@ -186,7 +190,7 @@ static int ds2760_battery_read_status(struct ds2760_device_info *di)
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scale[0] = di->full_active_uAh;
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for (i = 1; i < 5; i++)
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scale[i] = scale[i - 1] + di->raw[DS2760_ACTIVE_FULL + 2 + i];
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scale[i] = scale[i - 1] + di->raw[DS2760_ACTIVE_FULL + 1 + i];
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di->full_active_uAh = battery_interpolate(scale, di->temp_C / 10);
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di->full_active_uAh *= 1000; /* convert to µAh */
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@ -161,12 +161,27 @@ static int __devexit gpio_charger_remove(struct platform_device *pdev)
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return 0;
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}
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#ifdef CONFIG_PM_SLEEP
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static int gpio_charger_resume(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct gpio_charger *gpio_charger = platform_get_drvdata(pdev);
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power_supply_changed(&gpio_charger->charger);
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return 0;
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}
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#endif
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static SIMPLE_DEV_PM_OPS(gpio_charger_pm_ops, NULL, gpio_charger_resume);
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static struct platform_driver gpio_charger_driver = {
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.probe = gpio_charger_probe,
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.remove = __devexit_p(gpio_charger_remove),
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.driver = {
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.name = "gpio-charger",
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.owner = THIS_MODULE,
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.pm = &gpio_charger_pm_ops,
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},
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};
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@ -33,6 +33,7 @@
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#include <linux/usb/ulpi.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/gadget.h>
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#include <linux/power/isp1704_charger.h>
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/* Vendor specific Power Control register */
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#define ISP1704_PWR_CTRL 0x3d
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@ -70,6 +71,18 @@ struct isp1704_charger {
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unsigned max_power;
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};
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/*
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* Disable/enable the power from the isp1704 if a function for it
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* has been provided with platform data.
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*/
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static void isp1704_charger_set_power(struct isp1704_charger *isp, bool on)
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{
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struct isp1704_charger_data *board = isp->dev->platform_data;
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if (board->set_power)
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board->set_power(on);
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}
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/*
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* Determine is the charging port DCP (dedicated charger) or CDP (Host/HUB
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* chargers).
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@ -222,6 +235,9 @@ static void isp1704_charger_work(struct work_struct *data)
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mutex_lock(&lock);
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if (event != USB_EVENT_NONE)
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isp1704_charger_set_power(isp, 1);
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switch (event) {
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case USB_EVENT_VBUS:
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isp->online = true;
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@ -269,6 +285,8 @@ static void isp1704_charger_work(struct work_struct *data)
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*/
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if (isp->otg->gadget)
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usb_gadget_disconnect(isp->otg->gadget);
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isp1704_charger_set_power(isp, 0);
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break;
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case USB_EVENT_ENUMERATED:
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if (isp->present)
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@ -394,6 +412,8 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
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isp->dev = &pdev->dev;
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platform_set_drvdata(pdev, isp);
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isp1704_charger_set_power(isp, 1);
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ret = isp1704_test_ulpi(isp);
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if (ret < 0)
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goto fail1;
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@ -434,6 +454,7 @@ static int __devinit isp1704_charger_probe(struct platform_device *pdev)
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/* Detect charger if VBUS is valid (the cable was already plugged). */
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ret = otg_io_read(isp->otg, ULPI_USB_INT_STS);
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isp1704_charger_set_power(isp, 0);
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if ((ret & ULPI_INT_VBUS_VALID) && !isp->otg->default_a) {
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isp->event = USB_EVENT_VBUS;
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schedule_work(&isp->work);
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@ -459,6 +480,7 @@ static int __devexit isp1704_charger_remove(struct platform_device *pdev)
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otg_unregister_notifier(isp->otg, &isp->nb);
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power_supply_unregister(&isp->psy);
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otg_put_transceiver(isp->otg);
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isp1704_charger_set_power(isp, 0);
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kfree(isp);
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return 0;
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391
drivers/power/max8903_charger.c
Normal file
391
drivers/power/max8903_charger.c
Normal file
@ -0,0 +1,391 @@
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/*
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* max8903_charger.c - Maxim 8903 USB/Adapter Charger Driver
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*
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* Copyright (C) 2011 Samsung Electronics
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* MyungJoo Ham <myungjoo.ham@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
|
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*
|
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <linux/power_supply.h>
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#include <linux/platform_device.h>
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#include <linux/power/max8903_charger.h>
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struct max8903_data {
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struct max8903_pdata *pdata;
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struct device *dev;
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struct power_supply psy;
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bool fault;
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bool usb_in;
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bool ta_in;
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};
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static enum power_supply_property max8903_charger_props[] = {
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POWER_SUPPLY_PROP_STATUS, /* Charger status output */
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POWER_SUPPLY_PROP_ONLINE, /* External power source */
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POWER_SUPPLY_PROP_HEALTH, /* Fault or OK */
|
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};
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|
||||
static int max8903_get_property(struct power_supply *psy,
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enum power_supply_property psp,
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union power_supply_propval *val)
|
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{
|
||||
struct max8903_data *data = container_of(psy,
|
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struct max8903_data, psy);
|
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|
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switch (psp) {
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case POWER_SUPPLY_PROP_STATUS:
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val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
|
||||
if (data->pdata->chg) {
|
||||
if (gpio_get_value(data->pdata->chg) == 0)
|
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val->intval = POWER_SUPPLY_STATUS_CHARGING;
|
||||
else if (data->usb_in || data->ta_in)
|
||||
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
|
||||
else
|
||||
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
|
||||
}
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_ONLINE:
|
||||
val->intval = 0;
|
||||
if (data->usb_in || data->ta_in)
|
||||
val->intval = 1;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_HEALTH:
|
||||
val->intval = POWER_SUPPLY_HEALTH_GOOD;
|
||||
if (data->fault)
|
||||
val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static irqreturn_t max8903_dcin(int irq, void *_data)
|
||||
{
|
||||
struct max8903_data *data = _data;
|
||||
struct max8903_pdata *pdata = data->pdata;
|
||||
bool ta_in;
|
||||
enum power_supply_type old_type;
|
||||
|
||||
ta_in = gpio_get_value(pdata->dok) ? false : true;
|
||||
|
||||
if (ta_in == data->ta_in)
|
||||
return IRQ_HANDLED;
|
||||
|
||||
data->ta_in = ta_in;
|
||||
|
||||
/* Set Current-Limit-Mode 1:DC 0:USB */
|
||||
if (pdata->dcm)
|
||||
gpio_set_value(pdata->dcm, ta_in ? 1 : 0);
|
||||
|
||||
/* Charger Enable / Disable (cen is negated) */
|
||||
if (pdata->cen)
|
||||
gpio_set_value(pdata->cen, ta_in ? 0 :
|
||||
(data->usb_in ? 0 : 1));
|
||||
|
||||
dev_dbg(data->dev, "TA(DC-IN) Charger %s.\n", ta_in ?
|
||||
"Connected" : "Disconnected");
|
||||
|
||||
old_type = data->psy.type;
|
||||
|
||||
if (data->ta_in)
|
||||
data->psy.type = POWER_SUPPLY_TYPE_MAINS;
|
||||
else if (data->usb_in)
|
||||
data->psy.type = POWER_SUPPLY_TYPE_USB;
|
||||
else
|
||||
data->psy.type = POWER_SUPPLY_TYPE_BATTERY;
|
||||
|
||||
if (old_type != data->psy.type)
|
||||
power_supply_changed(&data->psy);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static irqreturn_t max8903_usbin(int irq, void *_data)
|
||||
{
|
||||
struct max8903_data *data = _data;
|
||||
struct max8903_pdata *pdata = data->pdata;
|
||||
bool usb_in;
|
||||
enum power_supply_type old_type;
|
||||
|
||||
usb_in = gpio_get_value(pdata->uok) ? false : true;
|
||||
|
||||
if (usb_in == data->usb_in)
|
||||
return IRQ_HANDLED;
|
||||
|
||||
data->usb_in = usb_in;
|
||||
|
||||
/* Do not touch Current-Limit-Mode */
|
||||
|
||||
/* Charger Enable / Disable (cen is negated) */
|
||||
if (pdata->cen)
|
||||
gpio_set_value(pdata->cen, usb_in ? 0 :
|
||||
(data->ta_in ? 0 : 1));
|
||||
|
||||
dev_dbg(data->dev, "USB Charger %s.\n", usb_in ?
|
||||
"Connected" : "Disconnected");
|
||||
|
||||
old_type = data->psy.type;
|
||||
|
||||
if (data->ta_in)
|
||||
data->psy.type = POWER_SUPPLY_TYPE_MAINS;
|
||||
else if (data->usb_in)
|
||||
data->psy.type = POWER_SUPPLY_TYPE_USB;
|
||||
else
|
||||
data->psy.type = POWER_SUPPLY_TYPE_BATTERY;
|
||||
|
||||
if (old_type != data->psy.type)
|
||||
power_supply_changed(&data->psy);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static irqreturn_t max8903_fault(int irq, void *_data)
|
||||
{
|
||||
struct max8903_data *data = _data;
|
||||
struct max8903_pdata *pdata = data->pdata;
|
||||
bool fault;
|
||||
|
||||
fault = gpio_get_value(pdata->flt) ? false : true;
|
||||
|
||||
if (fault == data->fault)
|
||||
return IRQ_HANDLED;
|
||||
|
||||
data->fault = fault;
|
||||
|
||||
if (fault)
|
||||
dev_err(data->dev, "Charger suffers a fault and stops.\n");
|
||||
else
|
||||
dev_err(data->dev, "Charger recovered from a fault.\n");
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static __devinit int max8903_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct max8903_data *data;
|
||||
struct device *dev = &pdev->dev;
|
||||
struct max8903_pdata *pdata = pdev->dev.platform_data;
|
||||
int ret = 0;
|
||||
int gpio;
|
||||
int ta_in = 0;
|
||||
int usb_in = 0;
|
||||
|
||||
data = kzalloc(sizeof(struct max8903_data), GFP_KERNEL);
|
||||
if (data == NULL) {
|
||||
dev_err(dev, "Cannot allocate memory.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
data->pdata = pdata;
|
||||
data->dev = dev;
|
||||
platform_set_drvdata(pdev, data);
|
||||
|
||||
if (pdata->dc_valid == false && pdata->usb_valid == false) {
|
||||
dev_err(dev, "No valid power sources.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (pdata->dc_valid) {
|
||||
if (pdata->dok && gpio_is_valid(pdata->dok) &&
|
||||
pdata->dcm && gpio_is_valid(pdata->dcm)) {
|
||||
gpio = pdata->dok; /* PULL_UPed Interrupt */
|
||||
ta_in = gpio_get_value(gpio) ? 0 : 1;
|
||||
|
||||
gpio = pdata->dcm; /* Output */
|
||||
gpio_set_value(gpio, ta_in);
|
||||
} else {
|
||||
dev_err(dev, "When DC is wired, DOK and DCM should"
|
||||
" be wired as well.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
} else {
|
||||
if (pdata->dcm) {
|
||||
if (gpio_is_valid(pdata->dcm))
|
||||
gpio_set_value(pdata->dcm, 0);
|
||||
else {
|
||||
dev_err(dev, "Invalid pin: dcm.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->usb_valid) {
|
||||
if (pdata->uok && gpio_is_valid(pdata->uok)) {
|
||||
gpio = pdata->uok;
|
||||
usb_in = gpio_get_value(gpio) ? 0 : 1;
|
||||
} else {
|
||||
dev_err(dev, "When USB is wired, UOK should be wired."
|
||||
"as well.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->cen) {
|
||||
if (gpio_is_valid(pdata->cen)) {
|
||||
gpio_set_value(pdata->cen, (ta_in || usb_in) ? 0 : 1);
|
||||
} else {
|
||||
dev_err(dev, "Invalid pin: cen.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->chg) {
|
||||
if (!gpio_is_valid(pdata->chg)) {
|
||||
dev_err(dev, "Invalid pin: chg.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->flt) {
|
||||
if (!gpio_is_valid(pdata->flt)) {
|
||||
dev_err(dev, "Invalid pin: flt.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->usus) {
|
||||
if (!gpio_is_valid(pdata->usus)) {
|
||||
dev_err(dev, "Invalid pin: usus.\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
data->fault = false;
|
||||
data->ta_in = ta_in;
|
||||
data->usb_in = usb_in;
|
||||
|
||||
data->psy.name = "max8903_charger";
|
||||
data->psy.type = (ta_in) ? POWER_SUPPLY_TYPE_MAINS :
|
||||
((usb_in) ? POWER_SUPPLY_TYPE_USB :
|
||||
POWER_SUPPLY_TYPE_BATTERY);
|
||||
data->psy.get_property = max8903_get_property;
|
||||
data->psy.properties = max8903_charger_props;
|
||||
data->psy.num_properties = ARRAY_SIZE(max8903_charger_props);
|
||||
|
||||
ret = power_supply_register(dev, &data->psy);
|
||||
if (ret) {
|
||||
dev_err(dev, "failed: power supply register.\n");
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (pdata->dc_valid) {
|
||||
ret = request_threaded_irq(gpio_to_irq(pdata->dok),
|
||||
NULL, max8903_dcin,
|
||||
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
|
||||
"MAX8903 DC IN", data);
|
||||
if (ret) {
|
||||
dev_err(dev, "Cannot request irq %d for DC (%d)\n",
|
||||
gpio_to_irq(pdata->dok), ret);
|
||||
goto err_psy;
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->usb_valid) {
|
||||
ret = request_threaded_irq(gpio_to_irq(pdata->uok),
|
||||
NULL, max8903_usbin,
|
||||
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
|
||||
"MAX8903 USB IN", data);
|
||||
if (ret) {
|
||||
dev_err(dev, "Cannot request irq %d for USB (%d)\n",
|
||||
gpio_to_irq(pdata->uok), ret);
|
||||
goto err_dc_irq;
|
||||
}
|
||||
}
|
||||
|
||||
if (pdata->flt) {
|
||||
ret = request_threaded_irq(gpio_to_irq(pdata->flt),
|
||||
NULL, max8903_fault,
|
||||
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
|
||||
"MAX8903 Fault", data);
|
||||
if (ret) {
|
||||
dev_err(dev, "Cannot request irq %d for Fault (%d)\n",
|
||||
gpio_to_irq(pdata->flt), ret);
|
||||
goto err_usb_irq;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_usb_irq:
|
||||
if (pdata->usb_valid)
|
||||
free_irq(gpio_to_irq(pdata->uok), data);
|
||||
err_dc_irq:
|
||||
if (pdata->dc_valid)
|
||||
free_irq(gpio_to_irq(pdata->dok), data);
|
||||
err_psy:
|
||||
power_supply_unregister(&data->psy);
|
||||
err:
|
||||
kfree(data);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static __devexit int max8903_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct max8903_data *data = platform_get_drvdata(pdev);
|
||||
|
||||
if (data) {
|
||||
struct max8903_pdata *pdata = data->pdata;
|
||||
|
||||
if (pdata->flt)
|
||||
free_irq(gpio_to_irq(pdata->flt), data);
|
||||
if (pdata->usb_valid)
|
||||
free_irq(gpio_to_irq(pdata->uok), data);
|
||||
if (pdata->dc_valid)
|
||||
free_irq(gpio_to_irq(pdata->dok), data);
|
||||
power_supply_unregister(&data->psy);
|
||||
kfree(data);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver max8903_driver = {
|
||||
.probe = max8903_probe,
|
||||
.remove = __devexit_p(max8903_remove),
|
||||
.driver = {
|
||||
.name = "max8903-charger",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init max8903_init(void)
|
||||
{
|
||||
return platform_driver_register(&max8903_driver);
|
||||
}
|
||||
module_init(max8903_init);
|
||||
|
||||
static void __exit max8903_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&max8903_driver);
|
||||
}
|
||||
module_exit(max8903_exit);
|
||||
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_DESCRIPTION("MAX8903 Charger Driver");
|
||||
MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
|
||||
MODULE_ALIAS("max8903-charger");
|
||||
@ -3,6 +3,12 @@
|
||||
*
|
||||
* Copyright 2010 Anton Vorontsov <cbouatmailru@gmail.com>
|
||||
*
|
||||
* Dynamic module parameter code from the Virtual Battery Driver
|
||||
* Copyright (C) 2008 Pylone, Inc.
|
||||
* By: Masashi YOKOTA <yokota@pylone.jp>
|
||||
* Originally found here:
|
||||
* http://downloads.pylone.jp/src/virtual_battery/virtual_battery-0.0.1.tar.bz2
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
@ -15,8 +21,12 @@
|
||||
#include <linux/delay.h>
|
||||
#include <linux/vermagic.h>
|
||||
|
||||
static int test_power_ac_online = 1;
|
||||
static int test_power_battery_status = POWER_SUPPLY_STATUS_CHARGING;
|
||||
static int ac_online = 1;
|
||||
static int battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
|
||||
static int battery_health = POWER_SUPPLY_HEALTH_GOOD;
|
||||
static int battery_present = 1; /* true */
|
||||
static int battery_technology = POWER_SUPPLY_TECHNOLOGY_LION;
|
||||
static int battery_capacity = 50;
|
||||
|
||||
static int test_power_get_ac_property(struct power_supply *psy,
|
||||
enum power_supply_property psp,
|
||||
@ -24,7 +34,7 @@ static int test_power_get_ac_property(struct power_supply *psy,
|
||||
{
|
||||
switch (psp) {
|
||||
case POWER_SUPPLY_PROP_ONLINE:
|
||||
val->intval = test_power_ac_online;
|
||||
val->intval = ac_online;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
@ -47,22 +57,30 @@ static int test_power_get_battery_property(struct power_supply *psy,
|
||||
val->strval = UTS_RELEASE;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_STATUS:
|
||||
val->intval = test_power_battery_status;
|
||||
val->intval = battery_status;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_CHARGE_TYPE:
|
||||
val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_HEALTH:
|
||||
val->intval = POWER_SUPPLY_HEALTH_GOOD;
|
||||
val->intval = battery_health;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_PRESENT:
|
||||
val->intval = battery_present;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_TECHNOLOGY:
|
||||
val->intval = POWER_SUPPLY_TECHNOLOGY_LION;
|
||||
val->intval = battery_technology;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
|
||||
val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_CAPACITY:
|
||||
val->intval = 50;
|
||||
case POWER_SUPPLY_PROP_CHARGE_NOW:
|
||||
val->intval = battery_capacity;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
|
||||
case POWER_SUPPLY_PROP_CHARGE_FULL:
|
||||
val->intval = 100;
|
||||
break;
|
||||
case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
|
||||
case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
|
||||
@ -84,9 +102,11 @@ static enum power_supply_property test_power_battery_props[] = {
|
||||
POWER_SUPPLY_PROP_STATUS,
|
||||
POWER_SUPPLY_PROP_CHARGE_TYPE,
|
||||
POWER_SUPPLY_PROP_HEALTH,
|
||||
POWER_SUPPLY_PROP_PRESENT,
|
||||
POWER_SUPPLY_PROP_TECHNOLOGY,
|
||||
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
|
||||
POWER_SUPPLY_PROP_CHARGE_FULL,
|
||||
POWER_SUPPLY_PROP_CHARGE_EMPTY,
|
||||
POWER_SUPPLY_PROP_CHARGE_NOW,
|
||||
POWER_SUPPLY_PROP_CAPACITY,
|
||||
POWER_SUPPLY_PROP_CAPACITY_LEVEL,
|
||||
POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
|
||||
@ -118,6 +138,7 @@ static struct power_supply test_power_supplies[] = {
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
static int __init test_power_init(void)
|
||||
{
|
||||
int i;
|
||||
@ -145,8 +166,8 @@ static void __exit test_power_exit(void)
|
||||
int i;
|
||||
|
||||
/* Let's see how we handle changes... */
|
||||
test_power_ac_online = 0;
|
||||
test_power_battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
|
||||
ac_online = 0;
|
||||
battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
|
||||
for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
|
||||
power_supply_changed(&test_power_supplies[i]);
|
||||
pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n",
|
||||
@ -158,6 +179,241 @@ static void __exit test_power_exit(void)
|
||||
}
|
||||
module_exit(test_power_exit);
|
||||
|
||||
|
||||
|
||||
#define MAX_KEYLENGTH 256
|
||||
struct battery_property_map {
|
||||
int value;
|
||||
char const *key;
|
||||
};
|
||||
|
||||
static struct battery_property_map map_ac_online[] = {
|
||||
{ 0, "on" },
|
||||
{ 1, "off" },
|
||||
{ -1, NULL },
|
||||
};
|
||||
|
||||
static struct battery_property_map map_status[] = {
|
||||
{ POWER_SUPPLY_STATUS_CHARGING, "charging" },
|
||||
{ POWER_SUPPLY_STATUS_DISCHARGING, "discharging" },
|
||||
{ POWER_SUPPLY_STATUS_NOT_CHARGING, "not-charging" },
|
||||
{ POWER_SUPPLY_STATUS_FULL, "full" },
|
||||
{ -1, NULL },
|
||||
};
|
||||
|
||||
static struct battery_property_map map_health[] = {
|
||||
{ POWER_SUPPLY_HEALTH_GOOD, "good" },
|
||||
{ POWER_SUPPLY_HEALTH_OVERHEAT, "overheat" },
|
||||
{ POWER_SUPPLY_HEALTH_DEAD, "dead" },
|
||||
{ POWER_SUPPLY_HEALTH_OVERVOLTAGE, "overvoltage" },
|
||||
{ POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, "failure" },
|
||||
{ -1, NULL },
|
||||
};
|
||||
|
||||
static struct battery_property_map map_present[] = {
|
||||
{ 0, "false" },
|
||||
{ 1, "true" },
|
||||
{ -1, NULL },
|
||||
};
|
||||
|
||||
static struct battery_property_map map_technology[] = {
|
||||
{ POWER_SUPPLY_TECHNOLOGY_NiMH, "NiMH" },
|
||||
{ POWER_SUPPLY_TECHNOLOGY_LION, "LION" },
|
||||
{ POWER_SUPPLY_TECHNOLOGY_LIPO, "LIPO" },
|
||||
{ POWER_SUPPLY_TECHNOLOGY_LiFe, "LiFe" },
|
||||
{ POWER_SUPPLY_TECHNOLOGY_NiCd, "NiCd" },
|
||||
{ POWER_SUPPLY_TECHNOLOGY_LiMn, "LiMn" },
|
||||
{ -1, NULL },
|
||||
};
|
||||
|
||||
|
||||
static int map_get_value(struct battery_property_map *map, const char *key,
|
||||
int def_val)
|
||||
{
|
||||
char buf[MAX_KEYLENGTH];
|
||||
int cr;
|
||||
|
||||
strncpy(buf, key, MAX_KEYLENGTH);
|
||||
buf[MAX_KEYLENGTH-1] = '\0';
|
||||
|
||||
cr = strnlen(buf, MAX_KEYLENGTH) - 1;
|
||||
if (buf[cr] == '\n')
|
||||
buf[cr] = '\0';
|
||||
|
||||
while (map->key) {
|
||||
if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0)
|
||||
return map->value;
|
||||
map++;
|
||||
}
|
||||
|
||||
return def_val;
|
||||
}
|
||||
|
||||
|
||||
static const char *map_get_key(struct battery_property_map *map, int value,
|
||||
const char *def_key)
|
||||
{
|
||||
while (map->key) {
|
||||
if (map->value == value)
|
||||
return map->key;
|
||||
map++;
|
||||
}
|
||||
|
||||
return def_key;
|
||||
}
|
||||
|
||||
static int param_set_ac_online(const char *key, const struct kernel_param *kp)
|
||||
{
|
||||
ac_online = map_get_value(map_ac_online, key, ac_online);
|
||||
power_supply_changed(&test_power_supplies[0]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int param_get_ac_online(char *buffer, const struct kernel_param *kp)
|
||||
{
|
||||
strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown"));
|
||||
return strlen(buffer);
|
||||
}
|
||||
|
||||
static int param_set_battery_status(const char *key,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
battery_status = map_get_value(map_status, key, battery_status);
|
||||
power_supply_changed(&test_power_supplies[1]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int param_get_battery_status(char *buffer, const struct kernel_param *kp)
|
||||
{
|
||||
strcpy(buffer, map_get_key(map_status, battery_status, "unknown"));
|
||||
return strlen(buffer);
|
||||
}
|
||||
|
||||
static int param_set_battery_health(const char *key,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
battery_health = map_get_value(map_health, key, battery_health);
|
||||
power_supply_changed(&test_power_supplies[1]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int param_get_battery_health(char *buffer, const struct kernel_param *kp)
|
||||
{
|
||||
strcpy(buffer, map_get_key(map_health, battery_health, "unknown"));
|
||||
return strlen(buffer);
|
||||
}
|
||||
|
||||
static int param_set_battery_present(const char *key,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
battery_present = map_get_value(map_present, key, battery_present);
|
||||
power_supply_changed(&test_power_supplies[0]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int param_get_battery_present(char *buffer,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
strcpy(buffer, map_get_key(map_present, battery_present, "unknown"));
|
||||
return strlen(buffer);
|
||||
}
|
||||
|
||||
static int param_set_battery_technology(const char *key,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
battery_technology = map_get_value(map_technology, key,
|
||||
battery_technology);
|
||||
power_supply_changed(&test_power_supplies[1]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int param_get_battery_technology(char *buffer,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
strcpy(buffer,
|
||||
map_get_key(map_technology, battery_technology, "unknown"));
|
||||
return strlen(buffer);
|
||||
}
|
||||
|
||||
static int param_set_battery_capacity(const char *key,
|
||||
const struct kernel_param *kp)
|
||||
{
|
||||
int tmp;
|
||||
|
||||
if (1 != sscanf(key, "%d", &tmp))
|
||||
return -EINVAL;
|
||||
|
||||
battery_capacity = tmp;
|
||||
power_supply_changed(&test_power_supplies[1]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define param_get_battery_capacity param_get_int
|
||||
|
||||
|
||||
|
||||
static struct kernel_param_ops param_ops_ac_online = {
|
||||
.set = param_set_ac_online,
|
||||
.get = param_get_ac_online,
|
||||
};
|
||||
|
||||
static struct kernel_param_ops param_ops_battery_status = {
|
||||
.set = param_set_battery_status,
|
||||
.get = param_get_battery_status,
|
||||
};
|
||||
|
||||
static struct kernel_param_ops param_ops_battery_present = {
|
||||
.set = param_set_battery_present,
|
||||
.get = param_get_battery_present,
|
||||
};
|
||||
|
||||
static struct kernel_param_ops param_ops_battery_technology = {
|
||||
.set = param_set_battery_technology,
|
||||
.get = param_get_battery_technology,
|
||||
};
|
||||
|
||||
static struct kernel_param_ops param_ops_battery_health = {
|
||||
.set = param_set_battery_health,
|
||||
.get = param_get_battery_health,
|
||||
};
|
||||
|
||||
static struct kernel_param_ops param_ops_battery_capacity = {
|
||||
.set = param_set_battery_capacity,
|
||||
.get = param_get_battery_capacity,
|
||||
};
|
||||
|
||||
|
||||
#define param_check_ac_online(name, p) __param_check(name, p, void);
|
||||
#define param_check_battery_status(name, p) __param_check(name, p, void);
|
||||
#define param_check_battery_present(name, p) __param_check(name, p, void);
|
||||
#define param_check_battery_technology(name, p) __param_check(name, p, void);
|
||||
#define param_check_battery_health(name, p) __param_check(name, p, void);
|
||||
#define param_check_battery_capacity(name, p) __param_check(name, p, void);
|
||||
|
||||
|
||||
module_param(ac_online, ac_online, 0644);
|
||||
MODULE_PARM_DESC(ac_online, "AC charging state <on|off>");
|
||||
|
||||
module_param(battery_status, battery_status, 0644);
|
||||
MODULE_PARM_DESC(battery_status,
|
||||
"battery status <charging|discharging|not-charging|full>");
|
||||
|
||||
module_param(battery_present, battery_present, 0644);
|
||||
MODULE_PARM_DESC(battery_present,
|
||||
"battery presence state <good|overheat|dead|overvoltage|failure>");
|
||||
|
||||
module_param(battery_technology, battery_technology, 0644);
|
||||
MODULE_PARM_DESC(battery_technology,
|
||||
"battery technology <NiMH|LION|LIPO|LiFe|NiCd|LiMn>");
|
||||
|
||||
module_param(battery_health, battery_health, 0644);
|
||||
MODULE_PARM_DESC(battery_health,
|
||||
"battery health state <good|overheat|dead|overvoltage|failure>");
|
||||
|
||||
module_param(battery_capacity, battery_capacity, 0644);
|
||||
MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)");
|
||||
|
||||
|
||||
MODULE_DESCRIPTION("Power supply driver for testing");
|
||||
MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
@ -271,24 +271,33 @@ static int __devexit z2_batt_remove(struct i2c_client *client)
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
static int z2_batt_suspend(struct i2c_client *client, pm_message_t state)
|
||||
static int z2_batt_suspend(struct device *dev)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct z2_charger *charger = i2c_get_clientdata(client);
|
||||
|
||||
flush_work_sync(&charger->bat_work);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int z2_batt_resume(struct i2c_client *client)
|
||||
static int z2_batt_resume(struct device *dev)
|
||||
{
|
||||
struct i2c_client *client = to_i2c_client(dev);
|
||||
struct z2_charger *charger = i2c_get_clientdata(client);
|
||||
|
||||
schedule_work(&charger->bat_work);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dev_pm_ops z2_battery_pm_ops = {
|
||||
.suspend = z2_batt_suspend,
|
||||
.resume = z2_batt_resume,
|
||||
};
|
||||
|
||||
#define Z2_BATTERY_PM_OPS (&z2_battery_pm_ops)
|
||||
|
||||
#else
|
||||
#define z2_batt_suspend NULL
|
||||
#define z2_batt_resume NULL
|
||||
#define Z2_BATTERY_PM_OPS (NULL)
|
||||
#endif
|
||||
|
||||
static const struct i2c_device_id z2_batt_id[] = {
|
||||
@ -301,11 +310,10 @@ static struct i2c_driver z2_batt_driver = {
|
||||
.driver = {
|
||||
.name = "z2-battery",
|
||||
.owner = THIS_MODULE,
|
||||
.pm = Z2_BATTERY_PM_OPS
|
||||
},
|
||||
.probe = z2_batt_probe,
|
||||
.remove = z2_batt_remove,
|
||||
.suspend = z2_batt_suspend,
|
||||
.resume = z2_batt_resume,
|
||||
.id_table = z2_batt_id,
|
||||
};
|
||||
|
||||
|
||||
29
include/linux/power/isp1704_charger.h
Normal file
29
include/linux/power/isp1704_charger.h
Normal file
@ -0,0 +1,29 @@
|
||||
/*
|
||||
* ISP1704 USB Charger Detection driver
|
||||
*
|
||||
* Copyright (C) 2011 Nokia Corporation
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __ISP1704_CHARGER_H
|
||||
#define __ISP1704_CHARGER_H
|
||||
|
||||
struct isp1704_charger_data {
|
||||
void (*set_power)(bool on);
|
||||
};
|
||||
|
||||
#endif
|
||||
57
include/linux/power/max8903_charger.h
Normal file
57
include/linux/power/max8903_charger.h
Normal file
@ -0,0 +1,57 @@
|
||||
/*
|
||||
* max8903_charger.h - Maxim 8903 USB/Adapter Charger Driver
|
||||
*
|
||||
* Copyright (C) 2011 Samsung Electronics
|
||||
* MyungJoo Ham <myungjoo.ham@samsung.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __MAX8903_CHARGER_H__
|
||||
#define __MAX8903_CHARGER_H__
|
||||
|
||||
struct max8903_pdata {
|
||||
/*
|
||||
* GPIOs
|
||||
* cen, chg, flt, and usus are optional.
|
||||
* dok, dcm, and uok are not optional depending on the status of
|
||||
* dc_valid and usb_valid.
|
||||
*/
|
||||
int cen; /* Charger Enable input */
|
||||
int dok; /* DC(Adapter) Power OK output */
|
||||
int uok; /* USB Power OK output */
|
||||
int chg; /* Charger status output */
|
||||
int flt; /* Fault output */
|
||||
int dcm; /* Current-Limit Mode input (1: DC, 2: USB) */
|
||||
int usus; /* USB Suspend Input (1: suspended) */
|
||||
|
||||
/*
|
||||
* DC(Adapter/TA) is wired
|
||||
* When dc_valid is true,
|
||||
* dok and dcm should be valid.
|
||||
*
|
||||
* At least one of dc_valid or usb_valid should be true.
|
||||
*/
|
||||
bool dc_valid;
|
||||
/*
|
||||
* USB is wired
|
||||
* When usb_valid is true,
|
||||
* uok should be valid.
|
||||
*/
|
||||
bool usb_valid;
|
||||
};
|
||||
|
||||
#endif /* __MAX8903_CHARGER_H__ */
|
||||
Loading…
Reference in New Issue
Block a user