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>

diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 9c62b1d..9602eba 100644 (file)
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -36,6 +36,18 @@ struct regs_info {
        int     sleep_id;
 };
 
+static const struct regulator_linear_range smps_low_ranges[] = {
+       REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
+       REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
+       REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
+};
+
+static const struct regulator_linear_range smps_high_ranges[] = {
+       REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
+       REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
+       REGULATOR_LINEAR_RANGE(3300000, 0x7A, 0x7f, 0),
+};
+
 static const struct regs_info palmas_regs_info[] = {
        {
                .name           = "SMPS12",
@@ -280,54 +292,6 @@ static int palmas_ldo_write(struct palmas *palmas, unsigned int reg,
        return regmap_write(palmas->regmap[REGULATOR_SLAVE], addr, value);
 }
 
-static int palmas_is_enabled_smps(struct regulator_dev *dev)
-{
-       struct palmas_pmic *pmic = rdev_get_drvdata(dev);
-       int id = rdev_get_id(dev);
-       unsigned int reg;
-
-       palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
-
-       reg &= PALMAS_SMPS12_CTRL_STATUS_MASK;
-       reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
-
-       return !!(reg);
-}
-
-static int palmas_enable_smps(struct regulator_dev *dev)
-{
-       struct palmas_pmic *pmic = rdev_get_drvdata(dev);
-       int id = rdev_get_id(dev);
-       unsigned int reg;
-
-       palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
-
-       reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
-       if (pmic->current_reg_mode[id])
-               reg |= pmic->current_reg_mode[id];
-       else
-               reg |= SMPS_CTRL_MODE_ON;
-
-       palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
-
-       return 0;
-}
-
-static int palmas_disable_smps(struct regulator_dev *dev)
-{
-       struct palmas_pmic *pmic = rdev_get_drvdata(dev);
-       int id = rdev_get_id(dev);
-       unsigned int reg;
-
-       palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
-
-       reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
-
-       palmas_smps_write(pmic->palmas, palmas_regs_info[id].ctrl_addr, reg);
-
-       return 0;
-}
-
 static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
 {
        struct palmas_pmic *pmic = rdev_get_drvdata(dev);
@@ -382,81 +346,6 @@ static unsigned int palmas_get_mode_smps(struct regulator_dev *dev)
        return 0;
 }
 
-static int palmas_list_voltage_smps(struct regulator_dev *dev,
-                                       unsigned selector)
-{
-       struct palmas_pmic *pmic = rdev_get_drvdata(dev);
-       int id = rdev_get_id(dev);
-       int mult = 1;
-
-       /* Read the multiplier set in VSEL register to return
-        * the correct voltage.
-        */
-       if (pmic->range[id])
-               mult = 2;
-
-       if (selector == 0)
-               return 0;
-       else if (selector < 6)
-               return 500000 * mult;
-       else
-               /* Voltage is linear mapping starting from selector 6,
-                * volt = (0.49V + ((selector - 5) * 0.01V)) * RANGE
-                * RANGE is either x1 or x2
-                */
-               return (490000 + ((selector - 5) * 10000)) * mult;
-}
-
-static int palmas_map_voltage_smps(struct regulator_dev *rdev,
-               int min_uV, int max_uV)
-{
-       struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
-       int id = rdev_get_id(rdev);
-       int ret, voltage;
-
-       if (min_uV == 0)
-               return 0;
-
-       if (pmic->range[id]) { /* RANGE is x2 */
-               if (min_uV < 1000000)
-                       min_uV = 1000000;
-               ret = DIV_ROUND_UP(min_uV - 1000000, 20000) + 6;
-       } else {                /* RANGE is x1 */
-               if (min_uV < 500000)
-                       min_uV = 500000;
-               ret = DIV_ROUND_UP(min_uV - 500000, 10000) + 6;
-       }
-
-       /* Map back into a voltage to verify we're still in bounds */
-       voltage = palmas_list_voltage_smps(rdev, ret);
-       if (voltage < min_uV || voltage > max_uV)
-               return -EINVAL;
-
-       return ret;
-}
-
-static int palma_smps_set_voltage_smps_time_sel(struct regulator_dev *rdev,
-       unsigned int old_selector, unsigned int new_selector)
-{
-       struct palmas_pmic *pmic = rdev_get_drvdata(rdev);
-       int id = rdev_get_id(rdev);
-       int old_uv, new_uv;
-       unsigned int ramp_delay = pmic->ramp_delay[id];
-
-       if (!ramp_delay)
-               return 0;
-
-       old_uv = palmas_list_voltage_smps(rdev, old_selector);
-       if (old_uv < 0)
-               return old_uv;
-
-       new_uv = palmas_list_voltage_smps(rdev, new_selector);
-       if (new_uv < 0)
-               return new_uv;
-
-       return DIV_ROUND_UP(abs(old_uv - new_uv), ramp_delay);
-}
-
 static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
                 int ramp_delay)
 {
@@ -493,16 +382,16 @@ static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
 }
 
 static struct regulator_ops palmas_ops_smps = {
-       .is_enabled             = palmas_is_enabled_smps,
-       .enable                 = palmas_enable_smps,
-       .disable                = palmas_disable_smps,
+       .is_enabled             = regulator_is_enabled_regmap,
+       .enable                 = regulator_enable_regmap,
+       .disable                = regulator_disable_regmap,
        .set_mode               = palmas_set_mode_smps,
        .get_mode               = palmas_get_mode_smps,
        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
        .set_voltage_sel        = regulator_set_voltage_sel_regmap,
-       .list_voltage           = palmas_list_voltage_smps,
-       .map_voltage            = palmas_map_voltage_smps,
-       .set_voltage_time_sel   = palma_smps_set_voltage_smps_time_sel,
+       .list_voltage           = regulator_list_voltage_linear_range,
+       .map_voltage            = regulator_map_voltage_linear_range,
+       .set_voltage_time_sel   = regulator_set_voltage_time_sel,
        .set_ramp_delay         = palmas_smps_set_ramp_delay,
 };
 
@@ -511,9 +400,9 @@ static struct regulator_ops palmas_ops_ext_control_smps = {
        .get_mode               = palmas_get_mode_smps,
        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
        .set_voltage_sel        = regulator_set_voltage_sel_regmap,
-       .list_voltage           = palmas_list_voltage_smps,
-       .map_voltage            = palmas_map_voltage_smps,
-       .set_voltage_time_sel   = palma_smps_set_voltage_smps_time_sel,
+       .list_voltage           = regulator_list_voltage_linear_range,
+       .map_voltage            = regulator_map_voltage_linear_range,
+       .set_voltage_time_sel   = regulator_set_voltage_time_sel,
        .set_ramp_delay         = palmas_smps_set_ramp_delay,
 };
 
@@ -1042,12 +931,17 @@ static int palmas_regulators_probe(struct platform_device *pdev)
                         * ranges. Read the current smps mode for later use.
                         */
                        addr = palmas_regs_info[id].vsel_addr;
+                       pmic->desc[id].n_linear_ranges = 3;
 
                        ret = palmas_smps_read(pmic->palmas, addr, &reg);
                        if (ret)
                                return ret;
                        if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
                                pmic->range[id] = 1;
+                       if (pmic->range[id])
+                               pmic->desc[id].linear_ranges = smps_high_ranges;
+                       else
+                               pmic->desc[id].linear_ranges = smps_low_ranges;
 
                        if (reg_init && reg_init->roof_floor)
                                pmic->desc[id].ops =