static int d2041_regulator_disable(struct regulator_dev *rdev)
{
struct d2041 *d2041 = rdev_get_drvdata(rdev);
unsigned int regulator_id = rdev_get_id(rdev);
unsigned int reg_num = 0;
int ret = 0;
u8 reg_val;
if (regulator_id >= D2041_NUMBER_OF_REGULATORS)
return -EINVAL;
if(!is_mode_control_enabled()){
reg_num = get_regulator_reg(regulator_id);
d2041_reg_read(d2041, reg_num, ®_val);
reg_val &= ~(1<<6);
d2041_reg_write(d2041, reg_num, reg_val);
}else{
reg_num = get_regulator_mctl_reg(regulator_id);
/* 0x00 == D2041_REGULATOR_MCTL0_OFF | D2041_REGULATOR_MCTL1_OFF
* | D2041_REGULATOR_MCTL2_OFF | D2041_REGULATOR_MCTL3_OFF
*/
ret = d2041_reg_write(d2041, reg_num, 0x00);
}
return ret;
}
static int d2199_regulator_set_suspend_disable(struct regulator_dev *rdev)
{
struct d2199 *d2199 = rdev_get_drvdata(rdev);
unsigned int regulator_id = rdev_get_id(rdev);
unsigned int reg_num = 0;
int ret = 0;
u8 reg_val;
pr_info("Regulator '%s' suspend disable\n", rdev->desc->name);
if (unlikely(regulator_id >= D2199_NUMBER_OF_REGULATORS))
return -EINVAL;
reg_num = regulator_register_map[regulator_id].mctl_reg;
ret = d2199_reg_read(d2199, reg_num, ®_val);
if (ret < 0) {
pr_err("I2C Error! Reg = 0x%02X\n", reg_num);
return ret;
}
reg_val &= ~(D2199_REGULATOR_MCTL0 | D2199_REGULATOR_MCTL2);
d2199_reg_write(d2199, reg_num, reg_val);
if (!is_mode_control_enabled()) {
reg_num = regulator_register_map[regulator_id].en_reg;
d2199_reg_read(d2199, reg_num, ®_val);
reg_val &= ~regulator_register_map[regulator_id].en_mask;
d2199_reg_write(d2199, reg_num, reg_val);
}
return ret;
}
/*
* d2199_regulator_disable
*/
static int d2199_regulator_disable(struct regulator_dev *rdev)
{
struct d2199 *d2199 = rdev_get_drvdata(rdev);
unsigned int regulator_id = rdev_get_id(rdev);
unsigned int reg_num = 0;
int ret = 0;
u8 reg_val;
if (regulator_id >= D2199_NUMBER_OF_REGULATORS)
return -EINVAL;
if (!is_mode_control_enabled()) {
reg_num = regulator_register_map[regulator_id].en_reg;
d2199_reg_read(d2199, reg_num, ®_val);
reg_val &= ~regulator_register_map[regulator_id].en_mask;
d2199_reg_write(d2199, reg_num, reg_val);
} else {
reg_num = regulator_register_map[regulator_id].mctl_reg;
ret = d2199_reg_read(d2199, reg_num, ®_val);
if (ret < 0) {
pr_err("I2C read error\n");
return ret;
}
/* Clear MCTL11 and MCTL01 */
reg_val &= ~(D2199_REGULATOR_MCTL1 | D2199_REGULATOR_MCTL3);
ret = d2199_reg_write(d2199, reg_num, reg_val);
pr_info("Disable: regl_id[%d], reg_num[0x%x], reg_val[0x%x]\n",
regulator_id, reg_num, reg_val);
}
return ret;
}
static int d2041_regulator_enable(struct regulator_dev *rdev)
{
struct d2041 *d2041 = rdev_get_drvdata(rdev);
u8 reg_val;
int ret = 0;
unsigned int regulator_id = rdev_get_id(rdev);
unsigned int reg_num;
if (regulator_id >= D2041_NUMBER_OF_REGULATORS)
return -EINVAL;
if(!is_mode_control_enabled()){
reg_num = get_regulator_reg(regulator_id);
d2041_reg_read(d2041, reg_num, ®_val);
reg_val |= (1<<6);
ret = d2041_reg_write(d2041, reg_num,reg_val);
}else {
reg_num = get_regulator_mctl_reg(regulator_id);
ret = d2041_reg_read(d2041, reg_num, ®_val);
if(ret < 0) {
dlg_err("I2C read error\n");
return ret;
}
reg_val &= ~(D2041_REGULATOR_MCTL1 | D2041_REGULATOR_MCTL3); // Clear MCTL11 and MCTL01
reg_val |= (D2041_REGULATOR_MCTL1_ON | D2041_REGULATOR_MCTL3_ON);
switch(get_regulator_dsm_opmode(regulator_id)) {
case D2041_REGULATOR_LPM_IN_DSM :
reg_val &= ~(D2041_REGULATOR_MCTL0 | D2041_REGULATOR_MCTL2);
reg_val |= (D2041_REGULATOR_MCTL0_SLEEP | D2041_REGULATOR_MCTL2_SLEEP);
break;
case D2041_REGULATOR_OFF_IN_DSM :
reg_val &= ~(D2041_REGULATOR_MCTL0 | D2041_REGULATOR_MCTL2);
break;
case D2041_REGULATOR_ON_IN_DSM :
reg_val &= ~(D2041_REGULATOR_MCTL0 | D2041_REGULATOR_MCTL2);
reg_val |= (D2041_REGULATOR_MCTL0_ON | D2041_REGULATOR_MCTL2_ON);
break;
}
ret |= d2041_reg_write(d2041, reg_num, reg_val);
}
return ret;
}
/*
* d2199_regulator_is_enabled
*/
static int d2199_regulator_is_enabled(struct regulator_dev *rdev)
{
struct d2199 *d2199 = rdev_get_drvdata(rdev);
unsigned int reg_num, regulator_id = rdev_get_id(rdev);
int ret = -EINVAL;
u8 reg_val = 0;
if (regulator_id >= D2199_NUMBER_OF_REGULATORS)
return -EINVAL;
if (!is_mode_control_enabled()) {
reg_num = regulator_register_map[regulator_id].en_reg;
ret = d2199_reg_read(d2199, reg_num, ®_val);
if (ret < 0) {
dlg_err("I2C read error.\n");
return ret;
}
if (reg_val & regulator_register_map[regulator_id].en_mask)
return 1;
else
return 0;
} else {
reg_num = regulator_register_map[regulator_id].mctl_reg;
ret = d2199_reg_read(d2199, reg_num, ®_val);
if (ret < 0) {
dlg_err("I2C read error.\n");
return ret;
}
/* 0x0 : Off * 0x1 : On * 0x2 : Sleep * 0x3 : n/a */
ret = ((reg_val &
(D2199_REGULATOR_MCTL1|D2199_REGULATOR_MCTL3)) >= 1)
? 1 : 0;
return ret;
}
}
static int d2041_regulator_is_enabled(struct regulator_dev *rdev)
{
struct d2041 *d2041 = rdev_get_drvdata(rdev);
unsigned int reg_num, regulator_id = rdev_get_id(rdev);
int ret = -EINVAL;
u8 reg_val = 0;
if(!is_mode_control_enabled()){
reg_num = get_regulator_reg(regulator_id);
ret = d2041_reg_read(d2041, reg_num, ®_val);
if(ret < 0) {
dlg_err("I2C read error. \n");
return ret;
}
/* 0x0 : off, 0x1 : on */
ret = reg_val & (1<<6);
}else{
if (regulator_id >= D2041_NUMBER_OF_REGULATORS)
return -EINVAL;
reg_num = get_regulator_mctl_reg(regulator_id);
ret = d2041_reg_read(d2041, reg_num, ®_val);
if(ret < 0) {
dlg_err("I2C read error. \n");
return ret;
}
/* 0x0 : Off * 0x1 : On * 0x2 : Sleep * 0x3 : n/a */
ret = ((reg_val & (D2041_REGULATOR_MCTL1|D2041_REGULATOR_MCTL3)) >= 1) ? 1 : 0;
}
return ret;
}
