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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 2014-05-22 14:48:29 +05:30 committed by Mark Brown
parent c9eaa447e7
commit dbabd624d4
1 changed files with 26 additions and 132 deletions
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158
drivers/regulator/palmas-regulator.c
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@ -36,6 +36,18 @@ struct regs_info {
int sleep_id; 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[] = { static const struct regs_info palmas_regs_info[] = {
{ {
.name = "SMPS12", .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); 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) static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
{ {
struct palmas_pmic *pmic = rdev_get_drvdata(dev); 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; 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, static int palmas_smps_set_ramp_delay(struct regulator_dev *rdev,
int ramp_delay) 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 = { static struct regulator_ops palmas_ops_smps = {
.is_enabled = palmas_is_enabled_smps, .is_enabled = regulator_is_enabled_regmap,
.enable = palmas_enable_smps, .enable = regulator_enable_regmap,
.disable = palmas_disable_smps, .disable = regulator_disable_regmap,
.set_mode = palmas_set_mode_smps, .set_mode = palmas_set_mode_smps,
.get_mode = palmas_get_mode_smps, .get_mode = palmas_get_mode_smps,
.get_voltage_sel = regulator_get_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = palmas_list_voltage_smps, .list_voltage = regulator_list_voltage_linear_range,
.map_voltage = palmas_map_voltage_smps, .map_voltage = regulator_map_voltage_linear_range,
.set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel, .set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = palmas_smps_set_ramp_delay, .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_mode = palmas_get_mode_smps,
.get_voltage_sel = regulator_get_voltage_sel_regmap, .get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap, .set_voltage_sel = regulator_set_voltage_sel_regmap,
.list_voltage = palmas_list_voltage_smps, .list_voltage = regulator_list_voltage_linear_range,
.map_voltage = palmas_map_voltage_smps, .map_voltage = regulator_map_voltage_linear_range,
.set_voltage_time_sel = palma_smps_set_voltage_smps_time_sel, .set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = palmas_smps_set_ramp_delay, .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. * ranges. Read the current smps mode for later use.
*/ */
addr = palmas_regs_info[id].vsel_addr; addr = palmas_regs_info[id].vsel_addr;
pmic->desc[id].n_linear_ranges = 3;
ret = palmas_smps_read(pmic->palmas, addr, &reg); ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret) if (ret)
return ret; return ret;
if (reg & PALMAS_SMPS12_VOLTAGE_RANGE) if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
pmic->range[id] = 1; 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) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = pmic->desc[id].ops =