/*
?*??cw2015_battery.c
?*??fuel-gauge?systems?for?lithium-ion?（Li+）?batteries
?*
?*??Copyright?（C）?2009?Samsung?Electronics
?*??Minkyu?Kang?
?*
?*?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.
?*/

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#define?REG_VERSION?????????????0x0
#define?REG_VCELL???????????????0x2
#define?REG_SOC?????????????????0x4
#define?REG_RRT_ALERT???????????0x6
#define?REG_CONFIG??????????????0x8
#define?REG_MODE????????????????0xA
#define?REG_BATINFO?????????????0x10

#define?MODE_SLEEP_MASK?????????（0x3<<6）
#define?MODE_SLEEP??????????????（0x3<<6）
#define?MODE_NORMAL?????????????（0x0<<6）
#define?MODE_QUICK_START????????（0x3<<4）
#define?MODE_RESTART????????????（0xf<<0）

#define?CONFIG_UPDATE_FLG???????（0x1<<1）
#define?ATHD????????????????????（0x0<<3）????????//ATHD?=?0%

#define?cw2015_DELAY		1000
#define?cw2015_BATTERY_FULL	95


static?void?cw2015_reset（struct?i2c_client?*client）;
static?void?cw2015_quick_start（struct?i2c_client?*client）;

struct?cw2015_chip?{
	struct?i2c_client						*client;
	struct?delayed_work					?work;
	struct?power_supply					?battery;
	struct?cw_bat_platform_data	*plat_data;

	/*?State?Of?Connect?*/
	int?online;
	/*?battery?voltage?*/
	int?vcell;
	/*?battery?capacity?*/
	int?soc;
	/*?State?Of?Charge?*/
	int?status;
};

static?int?cw2015_get_property（struct?power_supply?*psy
			????enum?power_supply_property?psp
			????union?power_supply_propval?*val）
{
	struct?cw2015_chip?*chip?=?container_of（psy
				struct?cw2015_chip?battery）;

	switch?（psp）?{
	case?POWER_SUPPLY_PROP_STATUS:
		val->intval?=?chip->status;
		break;
	case?POWER_SUPPLY_PROP_ONLINE:
		val->intval?=?chip->online;
		break;
	case?POWER_SUPPLY_PROP_VOLTAGE_NOW:
		val->intval?=?chip->vcell;
		break;
	case?POWER_SUPPLY_PROP_CAPACITY:
		val->intval?=?chip->soc;
		break;
	case?POWER_SUPPLY_PROP_VOLTAGE_MAX:
		cw2015_reset（chip->client）;
		break;
	case?POWER_SUPPLY_PROP_VOLTAGE_MIN:
		cw2015_quick_start（chip->client）;
		break;
	default:
		return?-EINVAL;
	}
	return?0;
}

static?int?cw_read（struct?i2c_client?*client?u8?reg?u8?buf[]）
{
	unsigned?char?data;
	int?ret;

	data?=?（unsigned?char）reg;
	ret?=?i2c_master_send（client?&data?1）;
	if?（ret?
	ret?=?i2c_master_recv（client?buf?1）;
	if?（ret?
	return?0;
}

static?int?cw_write（struct?i2c_client?*client?u8?reg?u8?const?buf[]）
{
	u8?data[3];

	data[0]?=?reg;
	data[1]?=?buf[0];

	return?i2c_master_send（client?data?2）;
}

static?int?cw_read_word（struct?i