int max8893_ldo_disable_direct(int ldo)
{
struct max8893_data *max8893 = client_8893data_p;
int value, shift;
if((ldo < MAX8893_LDO1) || (ldo > MAX8893_BUCK))
{
printk("ERROR: Invalid argument passed\n");
return -EINVAL;
}
DBG("func =%s called for regulator = %d\n",__func__,ldo);
//Thomas Ryu 20100409
//(MSB)EBUK:1, ELS:X,ELDO1:0,ELDO2:0,ELDO3:X,ELDO4:0,ELDO5:0,EUSB:X(LSB)
if(ldo == MAX8893_BUCK)
{
shift = 7;
}
else
{
shift = 6 - ldo;
}
value = max8893_read_reg(max8893, MAX8893_REG_ONOFF);
value &= ~(1 << shift);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
return 0;
}
int max8893_ldo_set_voltage_direct(int ldo,
int min_uV, int max_uV)
{
struct max8893_data *max8893 = client_8893data_p;
int value, shift = 0, mask = 0xff, reg;
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const int *vol_map = ldo_8893_voltage_map[ldo];
int i = 0;
if((ldo < MAX8893_LDO1) || (ldo > MAX8893_BUCK))
{
printk("ERROR: Invalid argument passed\n");
return -EINVAL;
}
DBG("func =%s called for regulator = %d, min_v=%d, max_v=%d\n",__func__,ldo,min_uV,max_uV);
if (min_vol < 800 ||
max_vol > 3300)
return -EINVAL;
while (vol_map[i]) {
if (vol_map[i] >= min_vol)
break;
i++;
}
value = i;
DBG("Found voltage=%d, i = %x\n",vol_map[i], i);
if (!vol_map[i])
return -EINVAL;
if (vol_map[i] > max_vol)
return -EINVAL;
if (ldo == MAX8893_LDO1) {
reg = MAX8893_REG_LDO1;
} else if (ldo == MAX8893_LDO2) {
reg = MAX8893_REG_LDO2;
} else if (ldo == MAX8893_LDO3) {
reg = MAX8893_REG_LDO3;
} else if (ldo == MAX8893_LDO4) {
reg = MAX8893_REG_LDO4;
} else if (ldo == MAX8893_LDO5) {
reg = MAX8893_REG_LDO5;
} else if (ldo == MAX8893_BUCK) {
reg = MAX8893_REG_BUCK;
}
// value = max8893_read_reg(max8893, reg);
// value &= ~mask;
// value |= (i << shift);
max8893_write_reg(max8893, value, reg);
return 0;
}
int max8893_onoff_set_direct(int value)
{
struct max8893_data *max8893 = client_8893data_p;
DBG("func =%s value = %d\n",__func__,value);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
return 0;
}
static int max8893_ldo_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
struct max8893_data *max8893 = rdev_get_drvdata(rdev);
int ldo = max8893_get_ldo(rdev);
int value, shift = 0, mask = 0xff, reg;
int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
const int *vol_map = ldo_8893_voltage_map[ldo];
int i = 0;
DBG("func =%s called for regulator = %d, min_v=%d, max_v=%d\n",__func__,ldo,min_uV,max_uV);
if (min_vol < 800 ||
max_vol > 3300)
return -EINVAL;
while (vol_map[i]) {
if (vol_map[i] >= min_vol)
break;
i++;
}
value = i;
DBG("Found voltage=%d, i = %x\n",vol_map[i], i);
if (!vol_map[i])
return -EINVAL;
if (vol_map[i] > max_vol)
return -EINVAL;
if (ldo == MAX8893_LDO1) {
reg = MAX8893_REG_LDO1;
} else if (ldo == MAX8893_LDO2) {
reg = MAX8893_REG_LDO2;
} else if (ldo == MAX8893_LDO3) {
reg = MAX8893_REG_LDO3;
} else if (ldo == MAX8893_LDO4) {
reg = MAX8893_REG_LDO4;
} else if (ldo == MAX8893_LDO5) {
reg = MAX8893_REG_LDO5;
} else if (ldo == MAX8893_BUCK) {
reg = MAX8893_REG_BUCK;
}
// value = max8893_read_reg(max8893, reg);
// value &= ~mask;
// value |= (i << shift);
max8893_write_reg(max8893, value, reg);
return 0;
}
static int max8893_ldo_disable(struct regulator_dev *rdev)
{
struct max8893_data *max8893 = rdev_get_drvdata(rdev);
int ldo = max8893_get_ldo(rdev);
int value, shift;
DBG("func =%s called for regulator = %d\n",__func__,ldo);
if (ldo <= MAX8893_LDO5) { /*LDO1~LDO5*/
value = max8893_read_reg(max8893, MAX8893_REG_ONOFF);
shift = 6 - ldo;
value &= ~(1 << shift);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
} else { /*BUCK*/
value = max8893_read_reg(max8893, MAX8893_REG_ONOFF);
shift = 7;
value &= ~(1 << shift);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
}
return 0;
}
int max8893_onoff_enable_direct(int bit_position)
{
struct max8893_data *max8893 = client_8893data_p;
int value;
DBG("func =%s called bit position = %d\n",__func__,bit_position);
//(MSB)EBUK:1, ELS:X,ELDO1:0,ELDO2:0,ELDO3:X,ELDO4:0,ELDO5:0,EUSB:X(LSB)
value = max8893_read_reg(max8893, MAX8893_REG_ONOFF);
value |= (1 << bit_position);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
return 0;
}
static int max8893_ldo_enable(struct regulator_dev *rdev)
{
struct max8893_data *max8893 = rdev_get_drvdata(rdev);
int ldo = max8893_get_ldo(rdev);
u8 value, shift; //NAGSM_Android_SEL_Kernel_Aakash_20101005
DBG("func =%s called for regulator = %d\n",__func__,ldo);
if (ldo <= MAX8893_LDO5) { /*LDO1~LDO5*/
value = max8893_read_reg(max8893, MAX8893_REG_ONOFF);
shift = 6 - ldo;
value |= (1 << shift);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
} else { /*BUCK*/
value = max8893_read_reg(max8893, MAX8893_REG_ONOFF);
shift = 7;
value |= (1 << shift);
max8893_write_reg(max8893, value, MAX8893_REG_ONOFF);
}
return 0;
}
