static int EC_Bat_get_battery_capacity(union power_supply_propval *val)
{
s32 ret;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x00);
CurrCapacity = ret;
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery capacity, read again\n", __func__);
msleep(500);
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x00);
CurrCapacity = ret;
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery capacity\n", __func__);
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for capacity failed\n", __func__);
return -EINVAL;
}
}
else if (ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for capacity failed\n", __func__);
return -EINVAL;
}
/* EC_Bat spec says that this can be >100 %
* even if max value is 100 % */
val->intval = ( (ret >= 100) ? 100 : ret);
return 0;
}
static ssize_t BatStatus_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
int ACStatus;
s32 Capacity, Present;
Present = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);//read designcapacity to judge present
msleep(100);
Capacity = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x00);//read capacity
ACStatus = gpio_get_value(gpio);//read ac exist gpio, 0 is exist
if(Present == 0)
{
s += sprintf(s, "Absence\n");
}
else
{
if(Capacity < 100)
{
if(ACStatus == 1)
s += sprintf(s, "Discharging\n");
else
s += sprintf(s, "Charging\n");
}
else
{
s += sprintf(s, "Full\n");
}
}
msleep(100);
return (s - buf);
}
static ssize_t EcVer_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
s32 PjIDMaVer, MiVerTestVer, ret;
PjIDMaVer = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x30);
msleep(100);
MiVerTestVer = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x31);
msleep(100);
ret = PjIDMaVer;
ret = ret << 16 | (MiVerTestVer & 0xFFFF);
s += sprintf(s, "%x\n", ret);
return (s - buf);
}
static ssize_t GyroGain_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
int i;
char * s = buf;
u8 val8[36] = {0};
u16 val16;
s32 val32;
for(i=0;i<=17;i++)
{
val32 = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x73);
val16 = val32 & 0x0000ffff;
TransformToByte(val16, &val8[2*i], &val8[2*i+1]);
msleep(10);
}
for(i=35;i>=0;i--)
{
s += sprintf(s, "%02x",val8[i]);
}
s += sprintf(s, "\n");
return (s - buf);
}
static ssize_t ECflashread_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
s32 ret;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,cmd);
buf[0] = (ret & 0x0000ff00) >> 8;
buf[1] = ret & 0x000000ff;
return 2;
}
static ssize_t BatDesignCapacity_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
s32 ret;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
msleep(100);
s += sprintf(s, "%d\n", ret);
return (s - buf);
}
u16 BoardID(void)
{
s32 ret;
u16 cur;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x32);
cur = ret & 0x0000ffff;
return cur;
}
static ssize_t BatCtlEnable_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
s32 ret;
s8 byteret;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x5b);
byteret = ret & 0x000000FF;
s += sprintf(s, "%d\n",byteret);
return (s - buf);
}
static ssize_t BatCycleCount_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
s32 ret;
s16 cyclecount;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x0b);
cyclecount = ret & 0x0000ffff;
msleep(10);
s += sprintf(s, "%d\n", cyclecount);
return (s - buf);
}
static ssize_t BoardID_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
s32 ret;
s16 cur;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x32);
cur = ret & 0x0000ffff;
msleep(10);
s += sprintf(s, "%d\n", cur);
return (s - buf);
}
static ssize_t BatSystemofHealth_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
s32 ret;
u8 health;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x09);
health = ret & 0x000000ff;
msleep(10);
s += sprintf(s, "%d\n", health);
return (s - buf);
}
static ssize_t ECRead_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
u16 val16;
s32 val32;
val32 = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0xF1);
val16 = val32 & 0x0000ffff;
s += sprintf(s, "0x%04x\n",val16);
return (s - buf);
}
static ssize_t SkuNumber_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
u8 val8[2] = {0};
u16 val16;
s32 val32;
val32 = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x68);
val16 = val32 & 0x0000ffff;
TransformToByte(val16, &val8[0], &val8[1]);
msleep(10);
s += sprintf(s, "%02x%02x\n",val8[1],val8[0]);
return (s - buf);
}
/* Using for enable/disable CABC when recording by internal MIC. */
void setAudioCABC(int enable)
{
s32 ret;
u16 cur;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x4c);
cur = ret & 0x0000ffff;
msleep(10);
if (enable) {
cur = cur | (0x1 << 8);
i2c_smbus_write_word_data_retry(EC_Bat_device->client,0x4d,cur);
msleep(10);
} else {
cur = cur & (!(0x1 << 8));
i2c_smbus_write_word_data_retry(EC_Bat_device->client,0x4d,cur);
msleep(10);
}
}
/*
Bit0: If sim card plugs in/out, it will be 1
Bit1: GPS status, 1 is 3g/gps power on, 0 is power off
Bit2: Echo cancellation
remaining bits wait to be defined
*/
static ssize_t DeviceStatus_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
char * s = buf;
char binary[20] = {0};
int i;
s32 ret;
u16 cur;
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x48);
cur = ret & 0x0000ffff;
for(i=15 ; i>=0; i--)
{
binary[i] = cur & 0x1 ? '1' : '0';
cur >>= 1;
}
s += sprintf(s, "%s\n", binary);
return (s - buf);
}
static ssize_t UUID_show(struct kobject *kobj, struct kobj_attribute *attr, char * buf)
{
int i;
char * s = buf;
u8 val8[16] = {0};
u16 val16;
s32 val32;
for(i=0;i<=7;i++)
{
val32 = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x60);
val16 = val32 & 0x0000ffff;
TransformToByte(val16, &val8[2*i], &val8[2*i+1]);
msleep(10);
}
s += sprintf(s, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",val8[15],val8[14],val8[13],val8[12],val8[11],val8[10],val8[9],val8[8],val8[7],val8[6],val8[5],val8[4],val8[3],val8[2],val8[1],val8[0]);
return (s - buf);
}
static int EC_Bat_get_battery_presence_and_health(enum power_supply_property psp,
union power_supply_propval *val)
{
s32 ret;
if (psp == POWER_SUPPLY_PROP_PRESENT)
{
//read designcapacity to judge present
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
if(ret == 0)//no battery
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery, read again\n", __func__);
msleep(500);
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery\n", __func__);
val->intval = 0;
return 0;
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for BatPresent failed\n", __func__);
return -EINVAL;
}
}
else if (ret < 0)
{
dev_err(&EC_Bat_device->client->dev,"%s: i2c read for battery presence failed\n", __func__);
return -EINVAL;
}
val->intval = 1;
}
else if (psp == POWER_SUPPLY_PROP_HEALTH)
{
//read designcapacity to judge present
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
if(ret == 0)//no battery
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery, read again\n", __func__);
msleep(500);
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery\n", __func__);
val->intval = POWER_SUPPLY_HEALTH_UNKNOWN;
return 0;
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for BatPresent failed\n",__func__);
return -EINVAL;
}
}
else if (ret < 0)
{
dev_err(&EC_Bat_device->client->dev,"%s: i2c read for battery presence failed\n", __func__);
return -EINVAL;
}
val->intval = POWER_SUPPLY_HEALTH_GOOD;
}
return 0;
}
static int EC_Bat_get_battery_property(int reg_offset,
enum power_supply_property psp,
union power_supply_propval *val)
{
s32 ret;
int BatPresent, ACStatus;
s32 Capacity;
if (psp == POWER_SUPPLY_PROP_STATUS)
{
//read designcapacity to judge present
//POWER_SUPPLY_PROP_PRESENT is after POWER_SUPPLY_PROP_STATUS
BatPresent = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
if(BatPresent >= 0)
{
if(BatPresent == 0)//no battery
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery, read again\n", __func__);
msleep(500);
BatPresent = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x08);
if(BatPresent == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery\n", __func__);
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
return 0;
}
else if(BatPresent < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for BatPresent failed\n",__func__);
return -EINVAL;
}
}
//read capacity
Capacity = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x00);
if(Capacity == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery capacity, read again\n", __func__);
msleep(500);
Capacity = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x00);
if(Capacity == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery capacity\n", __func__);
}
else if(Capacity < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for capacity failed\n", __func__);
return -EINVAL;
}
}
else if(Capacity < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for capacity failed\n", __func__);
return -EINVAL;
}
//read ac exist gpio, 0 is exist
ACStatus = gpio_get_value(gpio);
if(Capacity < 100)
{
if(ACStatus == 1)
{
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
}
else
{
val->intval = POWER_SUPPLY_STATUS_CHARGING;
}
}
else
{
if(ACStatus == 1)
{
val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
}
else
{
val->intval = POWER_SUPPLY_STATUS_FULL;
}
}
}
else if(BatPresent < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for BatPresent failed\n", __func__);
return -EINVAL;
}
}
else if (psp == POWER_SUPPLY_PROP_TEMP)
{
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x0a);
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery temperature, read again\n", __func__);
msleep(500);
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x0a);
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery temperature\n", __func__);
val->intval = 0;
return 0;
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for temperature failed\n", __func__);
return -EINVAL;
}
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for temperature failed\n", __func__);
return -EINVAL;
}
val->intval = ret - 2731;
}
else if (psp == POWER_SUPPLY_PROP_VOLTAGE_NOW)
{
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x01);
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery voltage, read again\n", __func__);
msleep(500);
ret = i2c_smbus_read_word_data_retry(EC_Bat_device->client,0x01);
if(ret == 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: No battery voltage\n", __func__);
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for voltage failed\n", __func__);
return -EINVAL;
}
}
else if(ret < 0)
{
dev_err(&EC_Bat_device->client->dev, "%s: i2c read for voltage failed\n", __func__);
return -EINVAL;
}
val->intval = ret * 1000;
}
return 0;
}
