static ssize_t workmode_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct regulator_dev *rdev = dev_get_drvdata(dev);
struct axp_regulator_info *info = rdev_get_drvdata(rdev);
struct device *axp_dev = to_axp_dev(rdev);
char mode;
uint8_t val;
if( buf[0] > '0' && buf[0] < '9' )// 1/AUTO: auto mode; 2/PWM: pwm mode;
mode = buf[0];
else
mode = buf[1];
switch(mode){
case 'U':
case 'u':
case '1':
val = 0;break;
case 'W':
case 'w':
case '2':
val = 1;break;
default:
val =0;
}
if(info->desc.id == AXP20_ID_DCDC2){
if(val)
axp_set_bits(axp_dev, AXP20_BUCKMODE,0x04);
else
axp_clr_bits(axp_dev, AXP20_BUCKMODE,0x04);
}
else if(info->desc.id == AXP20_ID_DCDC3){
if(val)
axp_set_bits(axp_dev, AXP20_BUCKMODE,0x02);
else
axp_clr_bits(axp_dev, AXP20_BUCKMODE,0x02);
}
return count;
}
static int axp_get_voltage(struct regulator_dev *rdev)
{
struct axp_regulator_info *info = rdev_get_drvdata(rdev);
struct device *axp_dev = to_axp_dev(rdev);
uint8_t val, mask;
int ret;
ret = axp_read(axp_dev, info->vol_reg, &val);
if (ret)
return ret;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
val = (val & mask) >> info->vol_shift;
//AXP18 LDO5
if (AXP18_ID_LDO5 == info->desc.id) {
return axp18_ldo5_data[val];
}
return info->min_uV + info->step_uV * val;
}
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;
}
static int axp_set_aldo12_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
struct axp_regulator_info *info = rdev_get_drvdata(rdev);
struct device *axp_dev = to_axp_dev(rdev);
uint8_t val, mask;
int i;
if (check_range(info, min_uV, max_uV)) {
pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
return -EINVAL;
}
for(i = 0,val = 0; i < sizeof(axp15_aldo12_data);i++){
if(min_uV <= axp15_aldo12_data[i] * 1000){
val = i;
break;
}
}
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
return axp_update(axp_dev, info->vol_reg, val, mask);
}
static ssize_t workmode_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct regulator_dev *rdev = dev_get_drvdata(dev);
struct axp_regulator_info *info = rdev_get_drvdata(rdev);
struct device *axp_dev = to_axp_dev(rdev);
char mode;
uint8_t val;
if( buf[0] > '0' && buf[0] < '9' )// 1/AUTO: auto mode; 2/PWM: pwm mode;
mode = buf[0];
else
mode = buf[1];
switch(mode) {
case 'U':
case 'u':
case '1':
val = 0;
break;
case 'W':
case 'w':
case '2':
val = 1;
break;
case 'F':
case 'f':
case '4':
val = 2;
break;
default:
val = 3;
break;
}
if(info->desc.id == AXP18_ID_BUCK1) {
if(val == 0)
axp_clr_bits(axp_dev, AXP18_BUCKMODE,0x80);
else if(val == 1)
axp_update(axp_dev, AXP18_BUCKMODE,0x80,0x84);
else if(val == 2)
axp_update(axp_dev,AXP18_BUCKMODE,0x84,0x84);
else
return -EINVAL;
}
else if(info->desc.id == AXP18_ID_BUCK2) {
if(val == 0)
axp_clr_bits(axp_dev, AXP19_BUCKMODE,0x40);
else if(val == 1)
axp_update(axp_dev, AXP18_BUCKMODE,0x40,0x42);
else if(val == 2)
axp_update(axp_dev,AXP18_BUCKMODE,0x42,0x42);
else
return -EINVAL;
}
else if(info->desc.id == AXP18_ID_BUCK3) {
if(val == 0)
axp_clr_bits(axp_dev, AXP18_BUCKMODE,0x20);
else if(val == 1)
axp_update(axp_dev, AXP19_BUCKMODE,0x20,0x21);
else if(val == 2)
axp_update(axp_dev, AXP19_BUCKMODE,0x21,0x21);
else
return -EINVAL;
}
else
return -ENXIO;
return count;
}