static int axp_battery_adc_set(struct axp_charger *charger)
{
int ret ;
uint8_t val;
/*enable adc and set adc */
val= AXP19_ADC_BATVOL_ENABLE | AXP19_ADC_BATCUR_ENABLE
| AXP19_ADC_DCINCUR_ENABLE | AXP19_ADC_DCINVOL_ENABLE
| AXP19_ADC_USBVOL_ENABLE | AXP19_ADC_USBCUR_ENABLE;
ret = axp_write(charger->master, AXP19_ADC_CONTROL1, val);
if (ret)
return ret;
ret = axp_read(charger->master, AXP19_ADC_CONTROL3, &val);
switch (charger->sample_time/25){
case 1: val &= ~(3 << 6);break;
case 2: val &= ~(3 << 6);val |= 1 << 6;break;
case 4: val &= ~(3 << 6);val |= 2 << 6;break;
case 8: val |= 3 << 6;break;
default: break;
}
ret = axp_write(charger->master, AXP19_ADC_CONTROL3, val);
if (ret)
return ret;
return 0;
}
int axp_set_charging_current(int current)
{
uint8_t reg_val = 0;
if (current > 1800 * 1000 || current < 0) {
printf("%s, wrong charge current seting:%d\n", __func__, current);
return -1;
}
if (current > 100) {
current = current / 1000;
} else {
current = (current * board_battery_para.pmu_battery_cap) / 100 + 100;
}
if (current > 1600) {
current = 1600;
}
axp_read(POWER20_CHARGE1, ®_val);
if(current == 0) {
reg_val &= 0x7f;
axp_write(POWER20_CHARGE1, reg_val);
printf("%s: set charge current to %d Reg value %x!\n",__FUNCTION__, current, reg_val);
} else {
reg_val &= 0xf0;
reg_val |= ((current-300)/100);
axp_write(POWER20_CHARGE1, reg_val);
printf("%s: set charge current to %d Reg value %x!\n",__FUNCTION__, current, reg_val);
}
return 0;
}
int axp_calculate_rdc(void)
{
struct axp_adc_res axp_adc;
char buf[100];
int32_t i_lo, i_hi;
int32_t v_lo, v_hi;
int32_t rdc_cal = 0;
if (ocv > 4000) { // don't calculate rdc when ocv is too high
return 0;
}
axp_write(0x33, 0xc1); // set charge current to 400mA
udelay(500000);
axp_read_adc(&axp_adc);
i_lo = ABS(axp_ibat_to_mA(axp_adc.ichar_res)-axp_ibat_to_mA(axp_adc.idischar_res));
v_lo = (axp_adc.vbat_res * 1100) / 1000;
axp_write(0x33, 0xc9); // set charge current to 1.2A
udelay(500000);
axp_read_adc(&axp_adc);
i_hi = ABS(axp_ibat_to_mA(axp_adc.ichar_res)-axp_ibat_to_mA(axp_adc.idischar_res));
v_hi = (axp_adc.vbat_res * 1100) / 1000;
rdc_cal = (v_hi - v_lo) * 1000 / (i_hi - i_lo);
sprintf(buf, "i_lo:%4d, i_hi:%4d, u_lo:%4d, u_hi:%4d, rdc:%4d\n", i_lo, i_hi, v_lo, v_hi, rdc_cal);
terminal_print(0, 36, buf);
if (rdc_cal < 0 || rdc_cal >= 300) { // usually RDC will not greater than 300 mhom
return 0;
}
return rdc_cal;
}
static void board_pmu_init(void)
{
struct aml_pmu_driver *driver = aml_pmu_get_driver();
if (driver && driver->pmu_init) {
driver->pmu_init();
}
#ifdef CONFIG_AW_AXP20
// todo add your platform needed init code here
#ifdef CONFIG_AML_AXP202
uint8_t tmp;
uint8_t reg_val;
uint8_t axp_ts_current=0x3; //TS pin output current: 00:20uA£»01:40uA;10:60uA;11:80uA
#endif
#ifdef CONFIG_AML_AXP202
#define LTF_CHARGE_REG 0x38
#define HTF_CHARGE_REG 0x39
//#define LTF_DISCHARGE_REG 0x3c
//#define HTF_DISCHARGE_REG 0x3d
#define TS_CURRENT_REG 0x84
axp_read(TS_CURRENT_REG, ®_val);
tmp = axp_ts_current << 4;
reg_val &= ~(3<<4); //reg_val &= 0xcf;
reg_val |= tmp;
reg_val &= ~(3<<0);
reg_val |= 0x1; //TS pin:charge output current
axp_write(TS_CURRENT_REG,reg_val); //set TS pin output current
axp_write(LTF_CHARGE_REG,0xDB); //set battery low temperature threshold,T=0
axp_write(HTF_CHARGE_REG,0x48); //set battery high temperature threshold,T=70
#endif
#endif
}
void axp81x_power_off(int power_start)
{
uint8_t val;
struct axp_dev *axp;
axp = axp_dev_lookup(AXP81X);
if (NULL == axp) {
printk("%s: axp data is null\n", __func__);
return;
}
if(axp81x_config.pmu_pwroff_vol >= 2600 && axp81x_config.pmu_pwroff_vol <= 3300){
if (axp81x_config.pmu_pwroff_vol > 3200){
val = 0x7;
}else if (axp81x_config.pmu_pwroff_vol > 3100){
val = 0x6;
}else if (axp81x_config.pmu_pwroff_vol > 3000){
val = 0x5;
}else if (axp81x_config.pmu_pwroff_vol > 2900){
val = 0x4;
}else if (axp81x_config.pmu_pwroff_vol > 2800){
val = 0x3;
}else if (axp81x_config.pmu_pwroff_vol > 2700){
val = 0x2;
}else if (axp81x_config.pmu_pwroff_vol > 2600){
val = 0x1;
}else
val = 0x0;
axp_update(axp->dev, AXP81X_VOFF_SET, val, 0x7);
}
val = 0xff;
printk("[axp] send power-off command!\n");
mdelay(20);
if(axp81x_config.power_start != 1){
axp_read(axp->dev, AXP81X_STATUS, &val);
if(val & 0xF0){
axp_read(axp->dev, AXP81X_MODE_CHGSTATUS, &val);
if(val & 0x20) {
printk("[axp] set flag!\n");
axp_read(axp->dev, AXP81X_BUFFERC, &val);
if (0x0d != val)
axp_write(axp->dev, AXP81X_BUFFERC, 0x0f);
mdelay(20);
printk("[axp] reboot!\n");
machine_restart(NULL);
printk("[axp] warning!!! arch can't ,reboot, maybe some error happend!\n");
}
}
}
axp_read(axp->dev, AXP81X_BUFFERC, &val);
if (0x0d != val)
axp_write(axp->dev, AXP81X_BUFFERC, 0x00);
mdelay(20);
axp_set_bits(axp->dev, AXP81X_OFF_CTL, 0x80);
mdelay(20);
printk("[axp] warning!!! axp can't power-off, maybe some error happend!\n");
}
int axp_charger_set_usbcur_limit(int usbcur_limit)
{
uint8_t val;
if ((usbcur_limit < 0 || usbcur_limit > 900) && (usbcur_limit != -1)) {
printf("wrong current limit:%d\n", usbcur_limit);
}
axp_read(AXP20_CHARGE_VBUS, &val);
val &= ~0x03;
switch (usbcur_limit) {
case -1:
case 0:
val |= 0x3; // Max
break;
case 100:
val |= 0x2;
break;
case 500:
val |= 0x1;
break;
case 900:
val |= 0x0;
break;
default:
printf("usbcur_limit=%d, not in 0,100,500,900. please check!\n", usbcur_limit);
return -1;
break;
}
axp_write(AXP20_CHARGE_VBUS, val);
axp_read(AXP20_CHARGE_VBUS, &val);
printf("[AXP_PMU]%s,AXP20_CHARGE_VBUS:0x%x\n", __func__, val);
return 0;
}
static int setup_regulator(const void *fdt, int node,
const struct axp_regulator *reg)
{
int mvolt;
uint8_t regval;
if (!should_enable_regulator(fdt, node))
return -ENOENT;
mvolt = fdt_get_regulator_millivolt(fdt, node);
if (mvolt < reg->min_volt || mvolt > reg->max_volt)
return -EINVAL;
regval = (mvolt / reg->step) - (reg->min_volt / reg->step);
if (regval > reg->split)
regval = ((regval - reg->split) / 2) + reg->split;
axp_write(reg->volt_reg, regval);
if (reg->switch_reg < 0xff)
axp_setbits(reg->switch_reg, BIT(reg->switch_bit));
INFO("PMIC: AXP803: %s voltage: %d.%03dV\n", reg->dt_name,
mvolt / 1000, mvolt % 1000);
return 0;
}
static void axp_set_basecap(int base_cap)
{
uint8_t val;
if(base_cap >= 0)
val = base_cap & 0x7F;
else
val = ABS(base_cap) | 0x80;
DBG_PSY_MSG("axp_set_basecap = %d\n", val);
axp_write(POWER20_DATA_BUFFER4, val);
}
void axp_set_rdc(int rdc)
{
uint32_t rdc_tmp = (rdc * 10000 + 5371) / 10742;
//char buf[100];
axp_set_bits(0xB9, 0x80); // stop
axp_clr_bits(0xBA, 0x80);
axp_write(0xBB, rdc_tmp & 0xff);
axp_write(0xBA, (rdc_tmp >> 8) & 0x1F);
axp_clr_bits(0xB9, 0x80); // start
}
static void axp_set_charge(struct axp_charger *charger)
{
uint8_t val,tmp;
val = 0x00;
if(charger->chgvol < 4200)
val &= ~(3 << 5);
else if (charger->chgvol<4360){
val &= ~(3 << 5);
val |= 1 << 6;
}
else
val |= 3 << 5;
if(charger->limit_on)
val |= ((charger->chgcur - 100) / 200) | (1 << 3);
else
val |= ((charger->chgcur - 100) / 200) ;
val &= 0x7F;
val |= charger->chgen << 7;
axp_read(charger->master, AXP18_CHARGE_CONTROL2, &tmp);
tmp &= 0x3C;
if(charger->chgpretime < 30)
charger->chgpretime = 30;
if(charger->chgcsttime < 420)
charger->chgcsttime = 420;
tmp |= ((charger->chgpretime - 30) / 10) << 6 \
| (charger->chgcsttime - 420) / 60;
axp_write(charger->master, AXP18_CHARGE_CONTROL1, val);
axp_write(charger->master, AXP18_CHARGE_CONTROL2, tmp);
axp_read(charger->master, AXP18_CHARGE_STATUS, &val);
if(charger ->chgend == 10)
val &= ~(1 << 6);
else
val |= 1 << 6;
axp_write(charger->master, AXP18_CHARGE_STATUS, val);
}
static int axp_battery_adc_set(struct axp_charger *charger)
{
int ret ;
uint8_t val;
/*enable adc and set adc */
val=(charger->sample_time / 8 - 1) << 2 | AXP18_ADC_BATVOL_ENABLE
| AXP18_ADC_BATCUR_ENABLE | AXP18_ADC_ACCUR_ENABLE
| AXP18_ADC_ACVOL_ENABLE;
ret = axp_write(charger->master, AXP18_ADC_CONTROL, val);
return ret;
}
static int axp_get_rdc(struct axp_charger *charger)
{
uint8_t val[2];
unsigned int i,temp,pre_temp;
int averPreVol = 0, averPreCur = 0,averNextVol = 0,averNextCur = 0;
axp_reads(charger->master,AXP19_DATA_BUFFER2,2,val);
pre_temp = (((val[0] & 0x07) << 8 ) + val[1]);
if(!charger->bat_det){
return pre_temp;
}
if( charger->ext_valid){
for(i = 0; i< AXP19_RDC_COUNT; i++){
axp_charger_update(charger);
averPreVol += charger->vbat;
averPreCur += charger->ibat;
msleep(200);
}
averPreVol /= AXP19_RDC_COUNT;
averPreCur /= AXP19_RDC_COUNT;
axp_clr_bits(charger->master,AXP20_CHARGE_CONTROL1,0x80);
msleep(3000);
for(i = 0; i< AXP19_RDC_COUNT; i++){
axp_charger_update(charger);
averNextVol += charger->vbat;
averNextCur += charger->ibat;
msleep(200);
}
averNextVol /= AXP19_RDC_COUNT;
averNextCur /= AXP19_RDC_COUNT;
axp_set_bits(charger->master,AXP20_CHARGE_CONTROL1,0x80);
if(ABS(averPreCur - averNextCur) > 200){
temp = 1000 * ABS(averPreVol - averNextVol) / ABS(averPreCur - averNextCur);
if((temp < 5) || (temp > 5000)){
return pre_temp;
}
else {
temp += pre_temp;
temp >>= 1;
axp_write(charger->master,AXP19_DATA_BUFFER2,((temp & 0xFF00) | 0x800) >> 8);
axp_write(charger->master,AXP19_DATA_BUFFER3,temp & 0x00FF);
return temp;
}
}
else {
return pre_temp;
static void axp_set_charge(struct axp_charger *charger)
{
uint8_t val=0x00;
uint8_t tmp=0x00;
if(charger->chgvol < AXP81X_CHARGE_VOLTAGE_LEVEL1){
val &= ~(3 << 5);
}else if (charger->chgvol<AXP81X_CHARGE_VOLTAGE_LEVEL2){
val &= ~(3 << 5);
val |= 1 << 5;
}else if (charger->chgvol<AXP81X_CHARGE_VOLTAGE_LEVEL3){
val &= ~(3 << 5);
val |= 1 << 6;
}else
val |= 3 << 5;
spin_lock(&charger->charger_lock);
if(charger->chgcur == 0)
charger->chgen = 0;
if(charger->chgcur< 200000)
charger->chgcur = 200000;
else if(charger->chgcur > 2800000)
charger->chgcur = 2800000;
spin_unlock(&charger->charger_lock);
val |= (charger->chgcur - 200000) / 200000 ;
if(charger ->chgend == 10)
val &= ~(1 << 4);
else
val |= 1 << 4;
val &= 0x7F;
val |= charger->chgen << 7;
spin_lock(&charger->charger_lock);
if(charger->chgpretime < 30)
charger->chgpretime = 30;
if(charger->chgcsttime < 360)
charger->chgcsttime = 360;
spin_unlock(&charger->charger_lock);
tmp = ((((charger->chgpretime - 40) / 10) << 6) \
| ((charger->chgcsttime - 360) / 120));
axp_write(charger->master, AXP81X_CHARGE_CONTROL1,val);
axp_update(charger->master, AXP81X_CHARGE_CONTROL2,tmp,0xC2);
}
static int axp81x_resume(struct platform_device *dev)
{
struct axp_charger *charger = platform_get_drvdata(dev);
int pre_rest_vol;
uint8_t val,tmp;
axp_enable_irq(charger);
pre_rest_vol = charger->rest_vol;
axp_read(charger->master, AXP81X_CAP,&val);
charger->rest_vol = val & 0x7f;
if(charger->rest_vol - pre_rest_vol){
printk("battery vol change: %d->%d \n", pre_rest_vol, charger->rest_vol);
pre_rest_vol = charger->rest_vol;
axp_write(charger->master,AXP81X_DATA_BUFFER1,charger->rest_vol | 0x80);
}
#if defined (CONFIG_AXP_CHGCHANGE)
if(axp81x_config.pmu_runtime_chgcur == 0)
axp_clr_bits(charger->master,AXP81X_CHARGE_CONTROL1,0x80);
else
axp_set_bits(charger->master,AXP81X_CHARGE_CONTROL1,0x80);
printk("pmu_runtime_chgcur = %d\n", axp81x_config.pmu_runtime_chgcur);
if(axp81x_config.pmu_runtime_chgcur >= 300000 && axp81x_config.pmu_runtime_chgcur <= 2550000){
tmp = (axp81x_config.pmu_runtime_chgcur -200001)/150000;
charger->chgcur = tmp *150000 + 300000;
axp_update(charger->master, AXP81X_CHARGE_CONTROL1, tmp,0x0F);
}else if(axp81x_config.pmu_runtime_chgcur < 300000){
axp_clr_bits(axp_charger->master, AXP81X_CHARGE_CONTROL1,0x0F);
}else{
axp_set_bits(axp_charger->master, AXP81X_CHARGE_CONTROL1,0x0F);
}
#endif
charger->disvbat = 0;
charger->disibat = 0;
axp_charger_update_state(charger);
axp_charger_update(charger, &axp81x_config);
power_supply_changed(&charger->batt);
power_supply_changed(&charger->ac);
power_supply_changed(&charger->usb);
schedule_delayed_work(&charger->work, charger->interval);
return 0;
}
static ssize_t frequency_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct regulator_dev *rdev = dev_get_drvdata(dev);
struct device *axp_dev = to_axp_dev(rdev);
uint8_t val,tmp;
int var;
var = simple_strtoul(buf, NULL, 10);
if(var < 750)
var = 750;
if(var > 1875)
var = 1875;
val = (var -750)/75;
val &= 0x0F;
axp_read(axp_dev, AXP18_BUCKFREQ, &tmp);
tmp &= 0xF0;
val |= tmp;
axp_write(axp_dev, AXP18_BUCKFREQ, val);
return count;
}
int axp_battery_calibrate_init(void)
{
uint8_t val;
axp_read(0x01, &val);
if (!(val & 0x20)) {
terminal_print(0, 35, "ERROR, NO battery is connected to system\n");
return 0;
}
axp_read(0x30, &val);
val |= 0x03;
axp_write(0x30, val);
axp_read(0x84, &val);
val &= ~0xc0;
val |= 0x80;
axp_write(0x84, val); // set ADC sample rate to 100KHz
axp_write(0x82, 0xff); // open all ADC
axp_write(0x31, 0x03); // shutdown when battery voltage < 2.9V
axp_write(0x33, 0xc8); // set charge current to 1.1A
axp_write(0xb8, 0x20); // clear coulomb counter
axp_write(0xb8, 0x80); // start coulomb counter
return 1;
}
static void axp_power_off(void)
{
uint8_t val;
preempt_count() = 0;
#if defined (CONFIG_AW_AXP18)
axp_set_bits(&axp->dev, POWER18_ONOFF, 0x80);
#endif
#if defined (CONFIG_AW_AXP19)
axp_set_bits(&axp->dev, POWER19_OFF_CTL, 0x80);
#endif
#if defined (CONFIG_AW_AXP20)
if(pmu_pwroff_vol >= 2600 && pmu_pwroff_vol <= 3300){
if (pmu_pwroff_vol > 3200){
val = 0x7;
}
else if (pmu_pwroff_vol > 3100){
val = 0x6;
}
else if (pmu_pwroff_vol > 3000){
val = 0x5;
}
else if (pmu_pwroff_vol > 2900){
val = 0x4;
}
else if (pmu_pwroff_vol > 2800){
val = 0x3;
}
else if (pmu_pwroff_vol > 2700){
val = 0x2;
}
else if (pmu_pwroff_vol > 2600){
val = 0x1;
}
else
val = 0x0;
axp_update(&axp->dev, POWER20_VOFF_SET, val, 0x7);
}
val = 0xff;
axp_read(&axp->dev, POWER20_COULOMB_CTL, &val);
val &= 0x3f;
axp_write(&axp->dev, POWER20_COULOMB_CTL, val);
val |= 0x80;
val &= 0xbf;
axp_write(&axp->dev, POWER20_COULOMB_CTL, val);
//led auto
axp_clr_bits(&axp->dev,0x32,0x38);
axp_clr_bits(&axp->dev,0xb9,0x80);
printk("[axp] send power-off command!\n");
mdelay(20);
if(power_start != 1){
axp_read(&axp->dev, POWER20_STATUS, &val);
if(val & 0xF0){
axp_read(&axp->dev, POWER20_MODE_CHGSTATUS, &val);
if(val & 0x20){
printk("[axp] set flag!\n");
axp_write(&axp->dev, POWER20_DATA_BUFFERC, 0x0f);
mdelay(20);
printk("[axp] reboot!\n");
machine_restart(NULL);
printk("[axp] warning!!! arch can't ,reboot, maybe some error happend!\n");
}
}
}
axp_write(&axp->dev, POWER20_DATA_BUFFERC, 0x00);
mdelay(20);
axp_set_bits(&axp->dev, POWER20_OFF_CTL, 0x80);
mdelay(20);
printk("[axp] warning!!! axp can't power-off, maybe some error happend!\n");
#endif
}
int axp81x_init(struct axp_charger *charger)
{
int ret = 0, var = 0;
uint8_t val = 0;
uint8_t ocv_cap[63];
int Cur_CoulombCounter,rdc;
ret = axp_battery_first_init(charger);
if (ret)
goto err_charger_init;
/* usb /ac voltage limit */
if(axp81x_config.pmu_usbvol){
axp81x_usb_ac_vol_limit(charger, CHARGE_AC, axp81x_config.pmu_usbvol);
}
if(axp81x_config.pmu_usbvol_pc){
axp81x_usb_ac_vol_limit(charger, CHARGE_USB_20, axp81x_config.pmu_usbvol_pc);
}
/* ac current limit */
if(axp81x_config.pmu_usbcur){
axp81x_usb_ac_current_limit(charger, CHARGE_AC, axp81x_config.pmu_usbcur);
} else {
#ifdef BPI-M3
axp81x_usb_ac_current_limit(charger, CHARGE_AC, 2500);
#else
axp81x_usb_ac_current_limit(charger, CHARGE_AC, 4000);
#endif
}
#ifdef BPI-M3
#else
printk("BPI-M3: set PMIC AC 4000mA\n");
axp81x_usb_ac_current_limit(charger, CHARGE_AC, 4000);
#endif
axp81x_chg_current_limit(axp81x_config.pmu_runtime_chgcur);
/* set lowe power warning/shutdown level */
axp_write(charger->master, AXP81X_WARNING_LEVEL,((axp81x_config.pmu_battery_warning_level1-5) << 4)+axp81x_config.pmu_battery_warning_level2);
ocv_cap[0] = axp81x_config.pmu_bat_para1;
ocv_cap[1] = 0xC1;
ocv_cap[2] = axp81x_config.pmu_bat_para2;
ocv_cap[3] = 0xC2;
ocv_cap[4] = axp81x_config.pmu_bat_para3;
ocv_cap[5] = 0xC3;
ocv_cap[6] = axp81x_config.pmu_bat_para4;
ocv_cap[7] = 0xC4;
ocv_cap[8] = axp81x_config.pmu_bat_para5;
ocv_cap[9] = 0xC5;
ocv_cap[10] = axp81x_config.pmu_bat_para6;
ocv_cap[11] = 0xC6;
ocv_cap[12] = axp81x_config.pmu_bat_para7;
ocv_cap[13] = 0xC7;
ocv_cap[14] = axp81x_config.pmu_bat_para8;
ocv_cap[15] = 0xC8;
ocv_cap[16] = axp81x_config.pmu_bat_para9;
ocv_cap[17] = 0xC9;
ocv_cap[18] = axp81x_config.pmu_bat_para10;
ocv_cap[19] = 0xCA;
ocv_cap[20] = axp81x_config.pmu_bat_para11;
ocv_cap[21] = 0xCB;
ocv_cap[22] = axp81x_config.pmu_bat_para12;
ocv_cap[23] = 0xCC;
ocv_cap[24] = axp81x_config.pmu_bat_para13;
ocv_cap[25] = 0xCD;
ocv_cap[26] = axp81x_config.pmu_bat_para14;
ocv_cap[27] = 0xCE;
ocv_cap[28] = axp81x_config.pmu_bat_para15;
ocv_cap[29] = 0xCF;
ocv_cap[30] = axp81x_config.pmu_bat_para16;
ocv_cap[31] = 0xD0;
ocv_cap[32] = axp81x_config.pmu_bat_para17;
ocv_cap[33] = 0xD1;
ocv_cap[34] = axp81x_config.pmu_bat_para18;
ocv_cap[35] = 0xD2;
ocv_cap[36] = axp81x_config.pmu_bat_para19;
ocv_cap[37] = 0xD3;
ocv_cap[38] = axp81x_config.pmu_bat_para20;
ocv_cap[39] = 0xD4;
ocv_cap[40] = axp81x_config.pmu_bat_para21;
ocv_cap[41] = 0xD5;
ocv_cap[42] = axp81x_config.pmu_bat_para22;
ocv_cap[43] = 0xD6;
ocv_cap[44] = axp81x_config.pmu_bat_para23;
ocv_cap[45] = 0xD7;
ocv_cap[46] = axp81x_config.pmu_bat_para24;
ocv_cap[47] = 0xD8;
ocv_cap[48] = axp81x_config.pmu_bat_para25;
ocv_cap[49] = 0xD9;
ocv_cap[50] = axp81x_config.pmu_bat_para26;
ocv_cap[51] = 0xDA;
ocv_cap[52] = axp81x_config.pmu_bat_para27;
ocv_cap[53] = 0xDB;
ocv_cap[54] = axp81x_config.pmu_bat_para28;
ocv_cap[55] = 0xDC;
ocv_cap[56] = axp81x_config.pmu_bat_para29;
ocv_cap[57] = 0xDD;
ocv_cap[58] = axp81x_config.pmu_bat_para30;
ocv_cap[59] = 0xDE;
ocv_cap[60] = axp81x_config.pmu_bat_para31;
ocv_cap[61] = 0xDF;
ocv_cap[62] = axp81x_config.pmu_bat_para32;
axp_writes(charger->master, 0xC0,63,ocv_cap);
/* pok open time set */
if(axp81x_config.pmu_pekon_time < 1000)
val = 0x00;
else if(axp81x_config.pmu_pekon_time < 2000){
val = 0x40;
}else if(axp81x_config.pmu_pekon_time < 3000){
val = 0x80;
}else {
val = 0xc0;
}
axp_update(charger->master, AXP81X_POK_SET, val, 0xc0);
var = axp81x_config.pmu_peklong_time;
/* pok long time set*/
if(axp81x_config.pmu_peklong_time < 1000)
var = 1000;
if(axp81x_config.pmu_peklong_time > 2500)
var = 2500;
val = (((var - 1000) / 500) << 4);
axp_update(charger->master, AXP81X_POK_SET, val, 0x30);
/* pek offlevel poweroff en set*/
if(axp81x_config.pmu_pekoff_en)
var = 1;
else
var = 0;
val = (var << 3);
axp_update(charger->master, AXP81X_POK_SET, val, 0x8);
/*Init offlevel restart or not */
if(axp81x_config.pmu_pekoff_func)
axp_set_bits(charger->master,AXP81X_POK_SET,0x04); //restart
else
axp_clr_bits(charger->master,AXP81X_POK_SET,0x04); //not restart
if(10 > axp81x_config.pmu_pekoff_delay_time)
val = 0x00;
else if(20 > axp81x_config.pmu_pekoff_delay_time)
val = 0x01;
else if(30 > axp81x_config.pmu_pekoff_delay_time)
val = 0x02;
else if(40 > axp81x_config.pmu_pekoff_delay_time)
val = 0x03;
else if(50 > axp81x_config.pmu_pekoff_delay_time)
val = 0x04;
else if(60 > axp81x_config.pmu_pekoff_delay_time)
val = 0x05;
else if(70 > axp81x_config.pmu_pekoff_delay_time)
val = 0x06;
else
val = 0x07;
axp_write(charger->master,AXP81X_POK_DELAY_SET,val);
/* pek delay set */
if (axp81x_config.pmu_pwrok_time < 32)
val = ((axp81x_config.pmu_pwrok_time / 8) - 1);
else
val = ((axp81x_config.pmu_pwrok_time / 32) + 1);
axp_update(charger->master, AXP81X_OFF_CTL, val, 0x3);
//axp_read(charger->master,AXP81X_DCDC_MONITOR,&val);
//if(axp81x_config.pmu_pwrok_shutdown_en)
// val |= 0x40;
//axp_write(charger->master,AXP81X_DCDC_MONITOR,val);
if(axp81x_config.pmu_reset_shutdown_en)
axp_set_bits(charger->master,AXP81X_HOTOVER_CTL,0x01); //restart shutdown ldo/dcdc
/* pek offlevel time set */
if(axp81x_config.pmu_pekoff_time < 4000)
var = 4000;
if(axp81x_config.pmu_pekoff_time > 10000)
var =10000;
var = (axp81x_config.pmu_pekoff_time - 4000) / 2000 ;
val = var ;
axp_update(charger->master, AXP81X_POK_SET, val, 0x3);
/*Init 16's Reset PMU en */
if(axp81x_config.pmu_reset)
axp_set_bits(charger->master,0x8F,0x08); //enable
else
axp_clr_bits(charger->master,0x8F,0x08); //disable
/*Init IRQ wakeup en*/
if(axp81x_config.pmu_IRQ_wakeup)
axp_set_bits(charger->master,0x8F,0x80); //enable
else
axp_clr_bits(charger->master,0x8F,0x80); //disable
/*Init N_VBUSEN status*/
if(axp81x_config.pmu_vbusen_func)
axp_set_bits(charger->master,0x8F,0x10); //output
else
axp_clr_bits(charger->master,0x8F,0x10); //input
/*Init InShort status*/
if(axp81x_config.pmu_inshort)
axp_set_bits(charger->master,0x8F,0x60); //InShort
else
axp_clr_bits(charger->master,0x8F,0x60); //auto detect
/*Init CHGLED function*/
if(axp81x_config.pmu_chgled_func)
axp_set_bits(charger->master,0x32,0x08); //control by charger
else
axp_clr_bits(charger->master,0x32,0x08); //drive MOTO
/*set CHGLED Indication Type*/
if(axp81x_config.pmu_chgled_type)
axp_set_bits(charger->master,0x34,0x10); //Type B
else
axp_clr_bits(charger->master,0x34,0x10); //Type A
/*Init PMU Over Temperature protection*/
if(axp81x_config.pmu_hot_shutdowm)
axp_set_bits(charger->master,0x8f,0x04); //enable
else
axp_clr_bits(charger->master,0x8f,0x04); //disable
/*Init battery capacity correct function*/
if(axp81x_config.pmu_batt_cap_correct)
axp_set_bits(charger->master,0xb8,0x20); //enable
else
axp_clr_bits(charger->master,0xb8,0x20); //disable
/* Init battery regulator enable or not when charge finish*/
if(axp81x_config.pmu_bat_regu_en)
axp_set_bits(charger->master,0x34,0x20); //enable
else
axp_clr_bits(charger->master,0x34,0x20); //disable
if(!axp81x_config.pmu_batdeten)
axp_clr_bits(charger->master,AXP81X_PDBC,0x40);
else
axp_set_bits(charger->master,AXP81X_PDBC,0x40);
/* RDC initial */
axp_read(charger->master, AXP81X_RDC0,&val);
if((axp81x_config.pmu_battery_rdc) && (!(val & 0x40))){
rdc = (axp81x_config.pmu_battery_rdc * 10000 + 5371) / 10742;
axp_write(charger->master, AXP81X_RDC0, ((rdc >> 8) & 0x1F)|0x80);
axp_write(charger->master,AXP81X_RDC1,rdc & 0x00FF);
}
void axp20_power_off(int power_start)
{
uint8_t val;
struct axp_dev *axp;
axp = axp_dev_lookup(AXP20);
if (NULL == axp) {
printk("%s: axp data is null\n", __func__);
return;
}
if(axp20_config.pmu_pwroff_vol >= 2600 && axp20_config.pmu_pwroff_vol <= 3300){
if (axp20_config.pmu_pwroff_vol > 3200){
val = 0x7;
}
else if (axp20_config.pmu_pwroff_vol > 3100){
val = 0x6;
}
else if (axp20_config.pmu_pwroff_vol > 3000){
val = 0x5;
}
else if (axp20_config.pmu_pwroff_vol > 2900){
val = 0x4;
}
else if (axp20_config.pmu_pwroff_vol > 2800){
val = 0x3;
}
else if (axp20_config.pmu_pwroff_vol > 2700){
val = 0x2;
}
else if (axp20_config.pmu_pwroff_vol > 2600){
val = 0x1;
}
else
val = 0x0;
axp_update(axp->dev, POWER20_VOFF_SET, val, 0x7);
}
val = 0xff;
if (!use_cou){
axp_read(axp->dev, POWER20_COULOMB_CTL, &val);
val &= 0x3f;
axp_write(axp->dev, POWER20_COULOMB_CTL, val);
val |= 0x80;
val &= 0xbf;
axp_write(axp->dev, POWER20_COULOMB_CTL, val);
}
//led auto
axp_clr_bits(axp->dev,0x32,0x38);
axp_clr_bits(axp->dev,0xb9,0x80);
printk("[axp] send power-off command!\n");
mdelay(20);
if(axp20_config.power_start != 1){
axp_write(axp->dev, POWER20_INTSTS3, 0x03);
axp_read(axp->dev, POWER20_STATUS, &val);
if(val & 0xF0){
axp_read(axp->dev, POWER20_MODE_CHGSTATUS, &val);
if(val & 0x20){
printk("[axp] set flag!\n");
axp_write(axp->dev, POWER20_DATA_BUFFERC, 0x0f);
mdelay(20);
printk("[axp] reboot!\n");
machine_restart(NULL);
printk("[axp] warning!!! arch can't ,reboot, maybe some error happend!\n");
}
}
}
axp_write(axp->dev, POWER20_DATA_BUFFERC, 0x00);
//axp_write(&axp->dev, 0xf4, 0x06);
//axp_write(&axp->dev, 0xf2, 0x04);
//axp_write(&axp->dev, 0xff, 0x01);
//axp_write(&axp->dev, 0x04, 0x01);
//axp_clr_bits(&axp->dev, 0x03, 0xc0);
//axp_write(&axp->dev, 0xff, 0x00);
//mdelay(20);
axp_set_bits(axp->dev, POWER20_OFF_CTL, 0x80);
mdelay(20);
printk("[axp] warning!!! axp can't power-off, maybe some error happend!\n");
}
static void axp_usb(struct work_struct *work)
{
int var;
uint8_t tmp,val;
DBG_PSY_MSG(DEBUG_CHG, "[axp_usb]axp_usbcurflag = %d\n",axp_usbcurflag);
axp_read(axp_charger->master, AXP_CHARGE_STATUS, &val);
if((val & 0x10) == 0x00){/*usb or usb adapter can not be used*/
DBG_PSY_MSG(DEBUG_CHG, "USB not insert!\n");
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x02);
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x01);
}else if(CHARGE_USB_20 == axp_usbcurflag){
DBG_PSY_MSG(DEBUG_CHG, "set usbcur_pc %d mA\n",axp_config->pmu_usbcur_pc);
if(axp_config->pmu_usbcur_pc){
var = axp_config->pmu_usbcur_pc * 1000;
if(var >= 900000)
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x03);
else if (var < 900000){
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x02);
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x01);
}
}else//not limit
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x03);
}else if (CHARGE_USB_30 == axp_usbcurflag){
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x03);
}else {
DBG_PSY_MSG(DEBUG_CHG, "set usbcur %d mA\n",axp_config->pmu_usbcur);
if((axp_config->pmu_usbcur) && (axp_config->pmu_usbcur_limit)){
var = axp_config->pmu_usbcur * 1000;
if(var >= 900000)
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x03);
else if (var < 900000){
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x02);
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x01);
}
}else //not limit
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x03);
}
if(!vbus_curr_limit_debug){ //usb current not limit
DBG_PSY_MSG(DEBUG_CHG, "vbus_curr_limit_debug = %d\n",vbus_curr_limit_debug);
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x03);
}
if(CHARGE_USB_20 == axp_usbvolflag){
DBG_PSY_MSG(DEBUG_CHG, "set usbvol_pc %d mV\n",axp_config->pmu_usbvol_pc);
if(axp_config->pmu_usbvol_pc){
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x40);
var = axp_config->pmu_usbvol_pc * 1000;
if(var >= 4000000 && var <=4700000){
tmp = (var - 4000000)/100000;
axp_read(axp_charger->master, AXP_CHARGE_VBUS,&val);
val &= 0xC7;
val |= tmp << 3;
axp_write(axp_charger->master, AXP_CHARGE_VBUS,val);
}else
DBG_PSY_MSG(DEBUG_CHG, "set usb limit voltage error,%d mV\n",axp_config->pmu_usbvol_pc);
}else
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x40);
}else if(CHARGE_USB_30 == axp_usbvolflag) {
axp_read(axp_charger->master, AXP_CHARGE_VBUS,&val);
val &= 0xC7;
val |= 7 << 3;
axp_write(axp_charger->master, AXP_CHARGE_VBUS,val);
}else {
DBG_PSY_MSG(DEBUG_CHG, "set usbvol %d mV\n",axp_config->pmu_usbvol);
if((axp_config->pmu_usbvol) && (axp_config->pmu_usbvol_limit)){
axp_set_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x40);
var = axp_config->pmu_usbvol * 1000;
if(var >= 4000000 && var <=4700000){
tmp = (var - 4000000)/100000;
axp_read(axp_charger->master, AXP_CHARGE_VBUS,&val);
val &= 0xC7;
val |= tmp << 3;
axp_write(axp_charger->master, AXP_CHARGE_VBUS,val);
}else
DBG_PSY_MSG(DEBUG_CHG, "set usb limit voltage error,%d mV\n",axp_config->pmu_usbvol);
}else
axp_clr_bits(axp_charger->master, AXP_CHARGE_VBUS, 0x40);
}
}
