#define BQ27510_SPEED 300 * 1000
int virtual_battery_enable = 0;
extern int dwc_vbus_status(void);
+static void bq27510_set(void);
#if 0
#define DBG(x...) printk(KERN_INFO x)
unsigned int bat_num;
};
+static struct bq27510_device_info *bq27510_di;
static enum power_supply_property bq27510_battery_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_PRESENT,
};
static ssize_t battery_proc_write(struct file *file,const char __user *buffer,
- unsigned long count,void *data)
+ size_t count, loff_t *ppos)
{
char c;
int rc;
rc = get_user(c,buffer);
if(rc)
return rc;
+
+ //added by zwp,c='8' means check whether we need to download firmware to bq27xxx,return 0 means yes.
+ if(c == '8'){
+ printk("%s,bq27510 need to download firmware\n",__FUNCTION__);
+ }
+
if(c == '1')
virtual_battery_enable = 1;
else if(c == '2')
virtual_battery_enable = 2;
else if(c == '3')
virtual_battery_enable = 3;
+ else if(c == '9'){
+ printk("%s:%d>>bq27510 set\n",__FUNCTION__,__LINE__);
+ bq27510_set();
+ }
else
virtual_battery_enable = 0;
printk("%s,count(%d),virtual_battery_enable(%d)\n",__FUNCTION__,(int)count,virtual_battery_enable);
ret = i2c_master_reg8_recv(client, reg, buf, len, BQ27510_SPEED);
return ret;
}
-#ifdef CONFIG_CHECK_BATT_CAPACITY
+
static int bq27510_write(struct i2c_client *client, u8 reg, u8 const buf[], unsigned len)
{
int ret;
ret = i2c_master_reg8_send(client, reg, buf, (int)len, BQ27510_SPEED);
return ret;
}
-#endif
+
/*
* Return the battery temperature in tenths of degree Celsius
* Or < 0 if something fails.
int ret;
int temp = 0;
u8 buf[2];
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ return 258;
+ #endif
+
if(virtual_battery_enable == 1)
return 125/*258*/;
ret = bq27510_read(di->client,BQ27x00_REG_TEMP,buf,2);
int ret;
u8 buf[2];
int volt = 0;
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ return 4000000;
+ #endif
if(virtual_battery_enable == 1)
return 2000000/*4000000*/;
int ret;
int curr = 0;
u8 buf[2];
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ return 22000;
+ #endif
if(virtual_battery_enable == 1)
- return 11000/*22000*/;
+ return 11000/*22000*/;
ret = bq27510_read(di->client,BQ27x00_REG_AI,buf,2);
if (ret<0) {
dev_err(di->dev, "error reading current\n");
}
curr = get_unaligned_le16(buf);
+ DBG("curr = %x \n",curr);
if(curr>0x8000){
curr = 0xFFFF^(curr-1);
}
int rsoc = 0;
#if 0
int nvcap = 0,facap = 0,remcap=0,fccap=0,full=0,cnt=0;
+ int art = 0, artte = 0, ai = 0, tte = 0, ttf = 0, si = 0;
+ int stte = 0, mli = 0, mltte = 0, ae = 0, ap = 0, ttecp = 0, cc = 0;
#endif
u8 buf[2];
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ return 100;
+ #endif
if(virtual_battery_enable == 1)
- return 50/*100*/;
+ return 50/*100*/;
ret = bq27510_read(di->client,BQ27500_REG_SOC,buf,2);
if (ret<0) {
}
rsoc = get_unaligned_le16(buf);
DBG("Enter:%s %d--rsoc = %d\n",__FUNCTION__,__LINE__,rsoc);
- #if 0
- ret = bq27510_read(di->client,0x0c,buf,2);
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ rsoc = 100;
+ #endif
+ #if 0 //other register information, for debug use
+ ret = bq27510_read(di->client,0x0c,buf,2); //NominalAvailableCapacity
nvcap = get_unaligned_le16(buf);
- DBG("Enter:%s %d--nvcap = %d\n",__FUNCTION__,__LINE__,nvcap);
- ret = bq27510_read(di->client,0x0e,buf,2);
+ DBG("\nEnter:%s %d--nvcap = %d\n",__FUNCTION__,__LINE__,nvcap);
+ ret = bq27510_read(di->client,0x0e,buf,2); //FullAvailableCapacity
facap = get_unaligned_le16(buf);
DBG("Enter:%s %d--facap = %d\n",__FUNCTION__,__LINE__,facap);
- ret = bq27510_read(di->client,0x10,buf,2);
+ ret = bq27510_read(di->client,0x10,buf,2); //RemainingCapacity
remcap = get_unaligned_le16(buf);
DBG("Enter:%s %d--remcap = %d\n",__FUNCTION__,__LINE__,remcap);
- ret = bq27510_read(di->client,0x12,buf,2);
+ ret = bq27510_read(di->client,0x12,buf,2); //FullChargeCapacity
fccap = get_unaligned_le16(buf);
DBG("Enter:%s %d--fccap = %d\n",__FUNCTION__,__LINE__,fccap);
- ret = bq27510_read(di->client,0x3c,buf,2);
+ ret = bq27510_read(di->client,0x3c,buf,2); //DesignCapacity
full = get_unaligned_le16(buf);
- DBG("Enter:%s %d--full = %d\n",__FUNCTION__,__LINE__,full);
+ DBG("Enter:%s %d--DesignCapacity = %d\n",__FUNCTION__,__LINE__,full);
+
+ buf[0] = 0x00; //CONTROL_STATUS
+ buf[1] = 0x00;
+ bq27510_write(di->client,0x00,buf,2);
ret = bq27510_read(di->client,0x00,buf,2);
cnt = get_unaligned_le16(buf);
- DBG("Enter:%s %d--full = %d\n",__FUNCTION__,__LINE__,cnt);
+ DBG("Enter:%s %d--Control status = %x\n",__FUNCTION__,__LINE__,cnt);
+
+ ret = bq27510_read(di->client,0x02,buf,2); //AtRate
+ art = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--AtRate = %d\n",__FUNCTION__,__LINE__,art);
+ ret = bq27510_read(di->client,0x04,buf,2); //AtRateTimeToEmpty
+ artte = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--AtRateTimeToEmpty = %d\n",__FUNCTION__,__LINE__,artte);
+ ret = bq27510_read(di->client,0x14,buf,2); //AverageCurrent
+ ai = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--AverageCurrent = %d\n",__FUNCTION__,__LINE__,ai);
+ ret = bq27510_read(di->client,0x16,buf,2); //TimeToEmpty
+ tte = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--TimeToEmpty = %d\n",__FUNCTION__,__LINE__,tte);
+ ret = bq27510_read(di->client,0x18,buf,2); //TimeToFull
+ ttf = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--TimeToFull = %d\n",__FUNCTION__,__LINE__,ttf);
+ ret = bq27510_read(di->client,0x1a,buf,2); //StandbyCurrent
+ si = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--StandbyCurrent = %d\n",__FUNCTION__,__LINE__,si);
+ ret = bq27510_read(di->client,0x1c,buf,2); //StandbyTimeToEmpty
+ stte = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--StandbyTimeToEmpty = %d\n",__FUNCTION__,__LINE__,stte);
+ ret = bq27510_read(di->client,0x1e,buf,2); //MaxLoadCurrent
+ mli = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--MaxLoadCurrent = %d\n",__FUNCTION__,__LINE__,mli);
+ ret = bq27510_read(di->client,0x20,buf,2); //MaxLoadTimeToEmpty
+ mltte = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--MaxLoadTimeToEmpty = %d\n",__FUNCTION__,__LINE__,mltte);
+ ret = bq27510_read(di->client,0x22,buf,2); //AvailableEnergy
+ ae = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--AvailableEnergy = %d\n",__FUNCTION__,__LINE__,ae);
+ ret = bq27510_read(di->client,0x24,buf,2); //AveragePower
+ ap = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--AveragePower = %d\n",__FUNCTION__,__LINE__,ap);
+ ret = bq27510_read(di->client,0x26,buf,2); //TTEatConstantPower
+ ttecp = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--TTEatConstantPower = %d\n",__FUNCTION__,__LINE__,ttecp);
+ ret = bq27510_read(di->client,0x2a,buf,2); //CycleCount
+ cc = get_unaligned_le16(buf);
+ DBG("Enter:%s %d--CycleCount = %d\n",__FUNCTION__,__LINE__,cc);
#endif
return rsoc;
}
int flags = 0;
int status;
int ret;
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ val->intval = POWER_SUPPLY_STATUS_FULL;
+ return 0;
+ #endif
+
if(virtual_battery_enable == 1)
{
val->intval = POWER_SUPPLY_STATUS_FULL;
int flags = 0;
int status;
int ret;
+
+ #if defined (CONFIG_NO_BATTERY_IC)
+ val->intval = POWER_SUPPLY_HEALTH_GOOD;
+ return 0;
+ #endif
+
if(virtual_battery_enable == 1)
{
val->intval = POWER_SUPPLY_HEALTH_GOOD;
schedule_delayed_work(&di->work, di->interval);
}
+static void bq27510_set(void)
+{
+ struct bq27510_device_info *di;
+ int i = 0;
+ u8 buf[2];
+
+ di = bq27510_di;
+ printk("enter 0x41\n");
+ buf[0] = 0x41;
+ buf[1] = 0x00;
+ bq27510_write(di->client,0x00,buf,2);
+
+ msleep(1500);
+
+ printk("enter 0x21\n");
+ buf[0] = 0x21;
+ buf[1] = 0x00;
+ bq27510_write(di->client,0x00,buf,2);
+
+ buf[0] = 0;
+ buf[1] = 0;
+ bq27510_read(di->client,0x00,buf,2);
+
+ // printk("%s: Enter:BUF[0]= 0X%x BUF[1] = 0X%x\n",__FUNCTION__,buf[0],buf[1]);
+
+ while((buf[0] & 0x04)&&(i<5))
+ {
+ printk("enter more 0x21 times i = %d\n",i);
+ mdelay(1000);
+ buf[0] = 0x21;
+ buf[1] = 0x00;
+ bq27510_write(di->client,0x00,buf,2);
+
+ buf[0] = 0;
+ buf[1] = 0;
+ bq27510_read(di->client,0x00,buf,2);
+ i++;
+ }
+
+ if(i>5)
+ printk("write 0x21 error\n");
+ else
+ printk("bq27510 write 0x21 success\n");
+}
+
static int bq27510_battery_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int retval = 0;
struct bq27510_platform_data *pdata;
- #ifdef CONFIG_CHECK_BATT_CAPACITY
- u8 buf[2];
- #endif
-
pdata = client->dev.platform_data;
di = kzalloc(sizeof(*di), GFP_KERNEL);
pdata->init_dc_check_pin( );
bq27510_powersupply_init(di);
- #ifdef CONFIG_CHECK_BATT_CAPACITY
- buf[0] = 0x41;
- buf[1] = 0x00;
- bq27510_write(di->client,0x00,buf,2);
- buf[0] = 0x21;
- buf[1] = 0x00;
- bq27510_write(di->client,0x00,buf,2);
- #endif
+
retval = power_supply_register(&client->dev, &di->bat);
if (retval) {
dev_err(&client->dev, "failed to register battery\n");
goto batt_failed_4;
}
+ bq27510_di = di;
retval = power_supply_register(&client->dev, &di->ac);
if (retval) {
dev_err(&client->dev, "failed to register ac\n");
goto batt_failed_4;
}
-
INIT_DELAYED_WORK(&di->work, bq27510_battery_work);
schedule_delayed_work(&di->work, di->interval);
dev_info(&client->dev, "support ver. %s enabled\n", DRIVER_VERSION);
static struct i2c_driver bq27510_battery_driver = {
.driver = {
- .name = "bq27510-battery",
+ .name = "bq27510",
},
.probe = bq27510_battery_probe,
.remove = bq27510_battery_remove,
projects / firefly-linux-kernel-4.4.55.git / blobdiff