mirror of https://gitee.com/openkylin/linux.git
regulator: palmas: Reemove open coded functions with helper functions
Reemove open coded functions with helper functions. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Keerthy
Mark Brown
parent
c9eaa447e7
commit
dbabd624d4
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@ -36,6 +36,18 @@ struct regs_info {
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int sleep_id;
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};
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static const struct regulator_linear_range smps_low_ranges[] = {
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REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
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REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
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REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
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};
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static const struct regulator_linear_range smps_high_ranges[] = {
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REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
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REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
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REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
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};
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static const struct regs_info palmas_regs_info[] = {
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{
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.name = "SMPS12",
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@ -280,54 +292,6 @@ static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
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return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
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}
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static int palmas_is_enabled_smps(struct regulator_dev *dev)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(dev);
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int id = rdev_get_id(dev);
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unsigned int reg;
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palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, ®);
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reg &= PALMAS_SMPS12_CTRL_STATUS_MASK;
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reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
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return !!(reg);
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}
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static int palmas_enable_smps(struct regulator_dev *dev)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(dev);
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int id = rdev_get_id(dev);
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unsigned int reg;
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palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, ®);
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reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
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if (pmic->current_reg_mode[id])
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reg |= pmic->current_reg_mode[id];
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else
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reg |= SMPS_CTRL_MODE_ON;
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palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
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return 0;
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}
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static int palmas_disable_smps(struct regulator_dev *dev)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(dev);
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int id = rdev_get_id(dev);
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unsigned int reg;
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palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, ®);
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reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
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palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
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return 0;
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}
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static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(dev);
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@ -382,81 +346,6 @@ static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
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return 0;
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}
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static int palmas_list_voltage_smps(struct regulator_dev *dev,
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unsigned selector)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(dev);
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int id = rdev_get_id(dev);
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int mult = 1;
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/* Read the multiplier set in VSEL register to return
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* the correct voltage.
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*/
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if (pmic->range[id])
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mult = 2;
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if (selector == 0)
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return 0;
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else if (selector < 6)
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return 500000 * mult;
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else
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/* Voltage is linear mapping starting from selector 6,
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* volt = (0.49V + ((selector - 5) * 0.01V)) * RANGE
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* RANGE is either x1 or x2
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*/
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return (490000 + ((selector - 5) * 10000)) * mult;
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}
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static int palmas_map_voltage_smps(struct regulator_dev *rdev,
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int min_uV, int max_uV)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
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int id = rdev_get_id(rdev);
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int ret, voltage;
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if (min_uV == 0)
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return 0;
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if (pmic->range[id]) { /* RANGE is x2 */
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if (min_uV < 1000000)
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min_uV = 1000000;
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ret = DIV_ROUND_UP(min_uV - 1000000, 20000) + 6;
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} else { /* RANGE is x1 */
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if (min_uV < 500000)
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min_uV = 500000;
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ret = DIV_ROUND_UP(min_uV - 500000, 10000) + 6;
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}
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/* Map back into a voltage to verify we're still in bounds */
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voltage = palmas_list_voltage_smps(rdev, ret);
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if (voltage < min_uV || voltage > max_uV)
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return -EINVAL;
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return ret;
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}
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static int palma_smps_set_voltage_smps_time_sel(struct regulator_dev *rdev,
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unsigned int old_selector, unsigned int new_selector)
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{
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struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
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int id = rdev_get_id(rdev);
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int old_uv, new_uv;
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unsigned int ramp_delay = pmic->ramp_delay[id];
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if (!ramp_delay)
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return 0;
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old_uv = palmas_list_voltage_smps(rdev, old_selector);
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if (old_uv < 0)
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return old_uv;
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new_uv = palmas_list_voltage_smps(rdev, new_selector);
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if (new_uv < 0)
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return new_uv;
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return DIV_ROUND_UP(abs(old_uv - new_uv), ramp_delay);
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}
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static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
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int ramp_delay)
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{
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@ -493,16 +382,16 @@ static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
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}
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static struct regulator_ops palmas_ops_smps = {
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.is_enabled = palmas_is_enabled_smps,
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.enable = palmas_enable_smps,
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.disable = palmas_disable_smps,
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.is_enabled = regulator_is_enabled_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.set_mode = palmas_set_mode_smps,
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.get_mode = palmas_get_mode_smps,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = palmas_list_voltage_smps,
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.map_voltage = palmas_map_voltage_smps,
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.set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel,
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.list_voltage = regulator_list_voltage_linear_range,
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.map_voltage = regulator_map_voltage_linear_range,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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.set_ramp_delay = palmas_smps_set_ramp_delay,
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};
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@ -511,9 +400,9 @@ static struct regulator_ops palmas_ops_ext_control_smps = {
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.get_mode = palmas_get_mode_smps,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = palmas_list_voltage_smps,
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.map_voltage = palmas_map_voltage_smps,
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.set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel,
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.list_voltage = regulator_list_voltage_linear_range,
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.map_voltage = regulator_map_voltage_linear_range,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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.set_ramp_delay = palmas_smps_set_ramp_delay,
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};
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@ -1042,12 +931,17 @@ static int palmas_regulators_probe(struct platform_device *pdev)
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* ranges. Read the current smps mode for later use.
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*/
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addr = palmas_regs_info[id].vsel_addr;
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pmic->desc[id].n_linear_ranges = 3;
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ret = palmas_smps_read(pmic->palmas, addr, ®);
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if (ret)
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return ret;
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if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
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pmic->range[id] = 1;
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if (pmic->range[id])
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pmic->desc[id].linear_ranges = smps_high_ranges;
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else
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pmic->desc[id].linear_ranges = smps_low_ranges;
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if (reg_init && reg_init->roof_floor)
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pmic->desc[id].ops =
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