mirror of https://gitee.com/openkylin/linux.git
regulator: Refactor tps6507x to use one tps6507x_pmic_ops for all LDOs and DCDCs
All the callback functions implementation for DCDCx and LDOx are very similar, I think it is ok to use one tps6507x_pmic_ops for all LDOs and DCDCs. This refactor removes a couple of duplicated code. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin
Mark Brown
parent
0a41685fd5
commit
f2933d3331
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@ -238,16 +238,16 @@ static int tps6507x_pmic_reg_write(struct tps6507x_pmic *tps, u8 reg, u8 val)
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return err;
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}
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static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
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static int tps6507x_pmic_is_enabled(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int data, dcdc = rdev_get_id(dev);
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int data, rid = rdev_get_id(dev);
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u8 shift;
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if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
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if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
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return -EINVAL;
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shift = TPS6507X_MAX_REG_ID - dcdc;
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shift = TPS6507X_MAX_REG_ID - rid;
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data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
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if (data < 0)
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@ -256,99 +256,65 @@ static int tps6507x_pmic_dcdc_is_enabled(struct regulator_dev *dev)
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return (data & 1<<shift) ? 1 : 0;
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}
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static int tps6507x_pmic_ldo_is_enabled(struct regulator_dev *dev)
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static int tps6507x_pmic_enable(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int data, ldo = rdev_get_id(dev);
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int rid = rdev_get_id(dev);
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u8 shift;
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if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
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if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
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return -EINVAL;
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shift = TPS6507X_MAX_REG_ID - ldo;
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data = tps6507x_pmic_reg_read(tps, TPS6507X_REG_CON_CTRL1);
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if (data < 0)
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return data;
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else
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return (data & 1<<shift) ? 1 : 0;
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}
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static int tps6507x_pmic_dcdc_enable(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int dcdc = rdev_get_id(dev);
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u8 shift;
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if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
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return -EINVAL;
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shift = TPS6507X_MAX_REG_ID - dcdc;
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shift = TPS6507X_MAX_REG_ID - rid;
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return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
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}
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static int tps6507x_pmic_dcdc_disable(struct regulator_dev *dev)
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static int tps6507x_pmic_disable(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int dcdc = rdev_get_id(dev);
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int rid = rdev_get_id(dev);
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u8 shift;
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if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
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if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
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return -EINVAL;
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shift = TPS6507X_MAX_REG_ID - dcdc;
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shift = TPS6507X_MAX_REG_ID - rid;
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return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
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1 << shift);
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}
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static int tps6507x_pmic_ldo_enable(struct regulator_dev *dev)
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static int tps6507x_pmic_get_voltage(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int ldo = rdev_get_id(dev);
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u8 shift;
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int data, rid = rdev_get_id(dev);
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u8 reg, mask;
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if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
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return -EINVAL;
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shift = TPS6507X_MAX_REG_ID - ldo;
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return tps6507x_pmic_set_bits(tps, TPS6507X_REG_CON_CTRL1, 1 << shift);
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}
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static int tps6507x_pmic_ldo_disable(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int ldo = rdev_get_id(dev);
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u8 shift;
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if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
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return -EINVAL;
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shift = TPS6507X_MAX_REG_ID - ldo;
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return tps6507x_pmic_clear_bits(tps, TPS6507X_REG_CON_CTRL1,
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1 << shift);
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}
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static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int data, dcdc = rdev_get_id(dev);
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u8 reg;
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switch (dcdc) {
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switch (rid) {
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case TPS6507X_DCDC_1:
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reg = TPS6507X_REG_DEFDCDC1;
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mask = TPS6507X_DEFDCDCX_DCDC_MASK;
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break;
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case TPS6507X_DCDC_2:
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if (tps->info[dcdc]->defdcdc_default)
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if (tps->info[rid]->defdcdc_default)
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reg = TPS6507X_REG_DEFDCDC2_HIGH;
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else
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reg = TPS6507X_REG_DEFDCDC2_LOW;
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mask = TPS6507X_DEFDCDCX_DCDC_MASK;
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break;
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case TPS6507X_DCDC_3:
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if (tps->info[dcdc]->defdcdc_default)
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if (tps->info[rid]->defdcdc_default)
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reg = TPS6507X_REG_DEFDCDC3_HIGH;
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else
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reg = TPS6507X_REG_DEFDCDC3_LOW;
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mask = TPS6507X_DEFDCDCX_DCDC_MASK;
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break;
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case TPS6507X_LDO_1:
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reg = TPS6507X_REG_LDO_CTRL1;
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mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK;
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break;
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case TPS6507X_LDO_2:
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reg = TPS6507X_REG_DEFLDO2;
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mask = TPS6507X_REG_DEFLDO2_LDO2_MASK;
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break;
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default:
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return -EINVAL;
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@ -358,47 +324,56 @@ static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
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if (data < 0)
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return data;
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data &= TPS6507X_DEFDCDCX_DCDC_MASK;
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return tps->info[dcdc]->table[data] * 1000;
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data &= mask;
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return tps->info[rid]->table[data] * 1000;
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}
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static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
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static int tps6507x_pmic_set_voltage(struct regulator_dev *dev,
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int min_uV, int max_uV,
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unsigned *selector)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int data, vsel, dcdc = rdev_get_id(dev);
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u8 reg;
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int data, vsel, rid = rdev_get_id(dev);
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u8 reg, mask;
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switch (dcdc) {
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switch (rid) {
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case TPS6507X_DCDC_1:
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reg = TPS6507X_REG_DEFDCDC1;
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mask = TPS6507X_DEFDCDCX_DCDC_MASK;
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break;
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case TPS6507X_DCDC_2:
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if (tps->info[dcdc]->defdcdc_default)
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if (tps->info[rid]->defdcdc_default)
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reg = TPS6507X_REG_DEFDCDC2_HIGH;
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else
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reg = TPS6507X_REG_DEFDCDC2_LOW;
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mask = TPS6507X_DEFDCDCX_DCDC_MASK;
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break;
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case TPS6507X_DCDC_3:
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if (tps->info[dcdc]->defdcdc_default)
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if (tps->info[rid]->defdcdc_default)
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reg = TPS6507X_REG_DEFDCDC3_HIGH;
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else
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reg = TPS6507X_REG_DEFDCDC3_LOW;
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mask = TPS6507X_DEFDCDCX_DCDC_MASK;
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break;
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case TPS6507X_LDO_1:
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reg = TPS6507X_REG_LDO_CTRL1;
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mask = TPS6507X_REG_LDO_CTRL1_LDO1_MASK;
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break;
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case TPS6507X_LDO_2:
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reg = TPS6507X_REG_DEFLDO2;
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mask = TPS6507X_REG_DEFLDO2_LDO2_MASK;
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break;
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default:
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return -EINVAL;
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}
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if (min_uV < tps->info[dcdc]->min_uV
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|| min_uV > tps->info[dcdc]->max_uV)
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if (min_uV < tps->info[rid]->min_uV || min_uV > tps->info[rid]->max_uV)
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return -EINVAL;
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if (max_uV < tps->info[dcdc]->min_uV
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|| max_uV > tps->info[dcdc]->max_uV)
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if (max_uV < tps->info[rid]->min_uV || max_uV > tps->info[rid]->max_uV)
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return -EINVAL;
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for (vsel = 0; vsel < tps->info[dcdc]->table_len; vsel++) {
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int mV = tps->info[dcdc]->table[vsel];
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for (vsel = 0; vsel < tps->info[rid]->table_len; vsel++) {
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int mV = tps->info[rid]->table[vsel];
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int uV = mV * 1000;
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/* Break at the first in-range value */
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@ -407,78 +382,7 @@ static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
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}
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/* write to the register in case we found a match */
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if (vsel == tps->info[dcdc]->table_len)
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return -EINVAL;
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*selector = vsel;
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data = tps6507x_pmic_reg_read(tps, reg);
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if (data < 0)
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return data;
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data &= ~TPS6507X_DEFDCDCX_DCDC_MASK;
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data |= vsel;
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return tps6507x_pmic_reg_write(tps, reg, data);
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}
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static int tps6507x_pmic_ldo_get_voltage(struct regulator_dev *dev)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int data, ldo = rdev_get_id(dev);
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u8 reg, mask;
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if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
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return -EINVAL;
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else {
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reg = (ldo == TPS6507X_LDO_1 ?
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TPS6507X_REG_LDO_CTRL1 : TPS6507X_REG_DEFLDO2);
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mask = (ldo == TPS6507X_LDO_1 ?
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TPS6507X_REG_LDO_CTRL1_LDO1_MASK :
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TPS6507X_REG_DEFLDO2_LDO2_MASK);
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}
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data = tps6507x_pmic_reg_read(tps, reg);
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if (data < 0)
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return data;
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data &= mask;
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return tps->info[ldo]->table[data] * 1000;
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}
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static int tps6507x_pmic_ldo_set_voltage(struct regulator_dev *dev,
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int min_uV, int max_uV,
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unsigned *selector)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int data, vsel, ldo = rdev_get_id(dev);
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u8 reg, mask;
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if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
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return -EINVAL;
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else {
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reg = (ldo == TPS6507X_LDO_1 ?
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TPS6507X_REG_LDO_CTRL1 : TPS6507X_REG_DEFLDO2);
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mask = (ldo == TPS6507X_LDO_1 ?
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TPS6507X_REG_LDO_CTRL1_LDO1_MASK :
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TPS6507X_REG_DEFLDO2_LDO2_MASK);
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}
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if (min_uV < tps->info[ldo]->min_uV || min_uV > tps->info[ldo]->max_uV)
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return -EINVAL;
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if (max_uV < tps->info[ldo]->min_uV || max_uV > tps->info[ldo]->max_uV)
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return -EINVAL;
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for (vsel = 0; vsel < tps->info[ldo]->table_len; vsel++) {
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int mV = tps->info[ldo]->table[vsel];
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int uV = mV * 1000;
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/* Break at the first in-range value */
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if (min_uV <= uV && uV <= max_uV)
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break;
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}
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if (vsel == tps->info[ldo]->table_len)
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if (vsel == tps->info[rid]->table_len)
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return -EINVAL;
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*selector = vsel;
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@ -493,58 +397,31 @@ static int tps6507x_pmic_ldo_set_voltage(struct regulator_dev *dev,
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return tps6507x_pmic_reg_write(tps, reg, data);
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}
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static int tps6507x_pmic_dcdc_list_voltage(struct regulator_dev *dev,
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static int tps6507x_pmic_list_voltage(struct regulator_dev *dev,
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unsigned selector)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int dcdc = rdev_get_id(dev);
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int rid = rdev_get_id(dev);
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if (dcdc < TPS6507X_DCDC_1 || dcdc > TPS6507X_DCDC_3)
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if (rid < TPS6507X_DCDC_1 || rid > TPS6507X_LDO_2)
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return -EINVAL;
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if (selector >= tps->info[dcdc]->table_len)
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if (selector >= tps->info[rid]->table_len)
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return -EINVAL;
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else
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return tps->info[dcdc]->table[selector] * 1000;
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return tps->info[rid]->table[selector] * 1000;
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}
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static int tps6507x_pmic_ldo_list_voltage(struct regulator_dev *dev,
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unsigned selector)
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{
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struct tps6507x_pmic *tps = rdev_get_drvdata(dev);
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int ldo = rdev_get_id(dev);
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if (ldo < TPS6507X_LDO_1 || ldo > TPS6507X_LDO_2)
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return -EINVAL;
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if (selector >= tps->info[ldo]->table_len)
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return -EINVAL;
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else
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return tps->info[ldo]->table[selector] * 1000;
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}
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/* Operations permitted on VDCDCx */
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static struct regulator_ops tps6507x_pmic_dcdc_ops = {
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.is_enabled = tps6507x_pmic_dcdc_is_enabled,
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.enable = tps6507x_pmic_dcdc_enable,
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.disable = tps6507x_pmic_dcdc_disable,
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.get_voltage = tps6507x_pmic_dcdc_get_voltage,
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.set_voltage = tps6507x_pmic_dcdc_set_voltage,
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.list_voltage = tps6507x_pmic_dcdc_list_voltage,
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static struct regulator_ops tps6507x_pmic_ops = {
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.is_enabled = tps6507x_pmic_is_enabled,
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.enable = tps6507x_pmic_enable,
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.disable = tps6507x_pmic_disable,
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.get_voltage = tps6507x_pmic_get_voltage,
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.set_voltage = tps6507x_pmic_set_voltage,
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.list_voltage = tps6507x_pmic_list_voltage,
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};
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/* Operations permitted on LDOx */
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static struct regulator_ops tps6507x_pmic_ldo_ops = {
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.is_enabled = tps6507x_pmic_ldo_is_enabled,
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.enable = tps6507x_pmic_ldo_enable,
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.disable = tps6507x_pmic_ldo_disable,
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.get_voltage = tps6507x_pmic_ldo_get_voltage,
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.set_voltage = tps6507x_pmic_ldo_set_voltage,
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.list_voltage = tps6507x_pmic_ldo_list_voltage,
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};
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static __devinit
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int tps6507x_pmic_probe(struct platform_device *pdev)
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static __devinit int tps6507x_pmic_probe(struct platform_device *pdev)
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{
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struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
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struct tps_info *info = &tps6507x_pmic_regs[0];
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@ -593,8 +470,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
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tps->desc[i].name = info->name;
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tps->desc[i].id = i;
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tps->desc[i].n_voltages = info->table_len;
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tps->desc[i].ops = (i > TPS6507X_DCDC_3 ?
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&tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops);
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tps->desc[i].ops = &tps6507x_pmic_ops;
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tps->desc[i].type = REGULATOR_VOLTAGE;
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tps->desc[i].owner = THIS_MODULE;
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@ -648,22 +524,12 @@ static struct platform_driver tps6507x_pmic_driver = {
|
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.remove = __devexit_p(tps6507x_pmic_remove),
|
||||
};
|
||||
|
||||
/**
|
||||
* tps6507x_pmic_init
|
||||
*
|
||||
* Module init function
|
||||
*/
|
||||
static int __init tps6507x_pmic_init(void)
|
||||
{
|
||||
return platform_driver_register(&tps6507x_pmic_driver);
|
||||
}
|
||||
subsys_initcall(tps6507x_pmic_init);
|
||||
|
||||
/**
|
||||
* tps6507x_pmic_cleanup
|
||||
*
|
||||
* Module exit function
|
||||
*/
|
||||
static void __exit tps6507x_pmic_cleanup(void)
|
||||
{
|
||||
platform_driver_unregister(&tps6507x_pmic_driver);
|
||||
|
|
|
|||
Loading…
Reference in New Issue