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>

1 files changed, 26 insertions, 132 deletions

diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 9c62b1d34685..9602eba2e63d 100644
--- 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 =