diff options
author | Rhyland Klein <rklein@nvidia.com> | 2012-05-08 22:42:38 +0400 |
---|---|---|
committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-05-20 19:25:23 +0400 |
commit | 3f7e82759c692df473675ed06fb90b20f1f225c3 (patch) | |
tree | f8f120546e55def9cb88ff9a0b8e13d4b36bb342 /drivers/regulator/tps65910-regulator.c | |
parent | 7ccfe9b1d58ef5cf8fdbd50b6ee2ae0e9aa9cb36 (diff) |
mfd: Commonize tps65910 regmap access through header
This change removes the read/write callback functions in favor of common
regmap accessors inside the header file. This change also makes use of
regmap_read/write for single register access which maps better onto what this
driver actually needs.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/regulator/tps65910-regulator.c')
-rw-r--r-- | drivers/regulator/tps65910-regulator.c | 88 |
1 files changed, 42 insertions, 46 deletions
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 4a37c2b6367f..852b05b20de9 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -331,21 +331,16 @@ struct tps65910_reg { static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg) { - u8 val; + unsigned int val; int err; - err = pmic->mfd->read(pmic->mfd, reg, 1, &val); + err = tps65910_reg_read(pmic->mfd, reg, &val); if (err) return err; return val; } -static inline int tps65910_write(struct tps65910_reg *pmic, u8 reg, u8 val) -{ - return pmic->mfd->write(pmic->mfd, reg, 1, &val); -} - static int tps65910_modify_bits(struct tps65910_reg *pmic, u8 reg, u8 set_mask, u8 clear_mask) { @@ -362,7 +357,7 @@ static int tps65910_modify_bits(struct tps65910_reg *pmic, u8 reg, data &= ~clear_mask; data |= set_mask; - err = tps65910_write(pmic, reg, data); + err = tps65910_reg_write(pmic->mfd, reg, data); if (err) dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg); @@ -371,7 +366,7 @@ out: return err; } -static int tps65910_reg_read(struct tps65910_reg *pmic, u8 reg) +static int tps65910_reg_read_locked(struct tps65910_reg *pmic, u8 reg) { int data; @@ -385,13 +380,13 @@ static int tps65910_reg_read(struct tps65910_reg *pmic, u8 reg) return data; } -static int tps65910_reg_write(struct tps65910_reg *pmic, u8 reg, u8 val) +static int tps65910_reg_write_locked(struct tps65910_reg *pmic, u8 reg, u8 val) { int err; mutex_lock(&pmic->mutex); - err = tps65910_write(pmic, reg, val); + err = tps65910_reg_write(pmic->mfd, reg, val); if (err < 0) dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg); @@ -476,7 +471,7 @@ static int tps65910_is_enabled(struct regulator_dev *dev) if (reg < 0) return reg; - value = tps65910_reg_read(pmic, reg); + value = tps65910_reg_read_locked(pmic, reg); if (value < 0) return value; @@ -493,7 +488,7 @@ static int tps65910_enable(struct regulator_dev *dev) if (reg < 0) return reg; - return tps65910_set_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED); + return tps65910_reg_set_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED); } static int tps65910_disable(struct regulator_dev *dev) @@ -506,7 +501,7 @@ static int tps65910_disable(struct regulator_dev *dev) if (reg < 0) return reg; - return tps65910_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED); + return tps65910_reg_clear_bits(mfd, reg, TPS65910_SUPPLY_STATE_ENABLED); } static int tps65910_enable_time(struct regulator_dev *dev) @@ -532,9 +527,9 @@ static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode) LDO_ST_MODE_BIT); case REGULATOR_MODE_IDLE: value = LDO_ST_ON_BIT | LDO_ST_MODE_BIT; - return tps65910_set_bits(mfd, reg, value); + return tps65910_reg_set_bits(mfd, reg, value); case REGULATOR_MODE_STANDBY: - return tps65910_clear_bits(mfd, reg, LDO_ST_ON_BIT); + return tps65910_reg_clear_bits(mfd, reg, LDO_ST_ON_BIT); } return -EINVAL; @@ -549,7 +544,7 @@ static unsigned int tps65910_get_mode(struct regulator_dev *dev) if (reg < 0) return reg; - value = tps65910_reg_read(pmic, reg); + value = tps65910_reg_read_locked(pmic, reg); if (value < 0) return value; @@ -569,28 +564,28 @@ static int tps65910_get_voltage_dcdc_sel(struct regulator_dev *dev) switch (id) { case TPS65910_REG_VDD1: - opvsel = tps65910_reg_read(pmic, TPS65910_VDD1_OP); - mult = tps65910_reg_read(pmic, TPS65910_VDD1); + opvsel = tps65910_reg_read_locked(pmic, TPS65910_VDD1_OP); + mult = tps65910_reg_read_locked(pmic, TPS65910_VDD1); mult = (mult & VDD1_VGAIN_SEL_MASK) >> VDD1_VGAIN_SEL_SHIFT; - srvsel = tps65910_reg_read(pmic, TPS65910_VDD1_SR); + srvsel = tps65910_reg_read_locked(pmic, TPS65910_VDD1_SR); sr = opvsel & VDD1_OP_CMD_MASK; opvsel &= VDD1_OP_SEL_MASK; srvsel &= VDD1_SR_SEL_MASK; vselmax = 75; break; case TPS65910_REG_VDD2: - opvsel = tps65910_reg_read(pmic, TPS65910_VDD2_OP); - mult = tps65910_reg_read(pmic, TPS65910_VDD2); + opvsel = tps65910_reg_read_locked(pmic, TPS65910_VDD2_OP); + mult = tps65910_reg_read_locked(pmic, TPS65910_VDD2); mult = (mult & VDD2_VGAIN_SEL_MASK) >> VDD2_VGAIN_SEL_SHIFT; - srvsel = tps65910_reg_read(pmic, TPS65910_VDD2_SR); + srvsel = tps65910_reg_read_locked(pmic, TPS65910_VDD2_SR); sr = opvsel & VDD2_OP_CMD_MASK; opvsel &= VDD2_OP_SEL_MASK; srvsel &= VDD2_SR_SEL_MASK; vselmax = 75; break; case TPS65911_REG_VDDCTRL: - opvsel = tps65910_reg_read(pmic, TPS65911_VDDCTRL_OP); - srvsel = tps65910_reg_read(pmic, TPS65911_VDDCTRL_SR); + opvsel = tps65910_reg_read_locked(pmic, TPS65911_VDDCTRL_OP); + srvsel = tps65910_reg_read_locked(pmic, TPS65911_VDDCTRL_SR); sr = opvsel & VDDCTRL_OP_CMD_MASK; opvsel &= VDDCTRL_OP_SEL_MASK; srvsel &= VDDCTRL_SR_SEL_MASK; @@ -630,7 +625,7 @@ static int tps65910_get_voltage(struct regulator_dev *dev) if (reg < 0) return reg; - value = tps65910_reg_read(pmic, reg); + value = tps65910_reg_read_locked(pmic, reg); if (value < 0) return value; @@ -669,7 +664,7 @@ static int tps65911_get_voltage(struct regulator_dev *dev) reg = pmic->get_ctrl_reg(id); - value = tps65910_reg_read(pmic, reg); + value = tps65910_reg_read_locked(pmic, reg); switch (id) { case TPS65911_REG_LDO1: @@ -728,7 +723,7 @@ static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev, tps65910_modify_bits(pmic, TPS65910_VDD1, (dcdc_mult << VDD1_VGAIN_SEL_SHIFT), VDD1_VGAIN_SEL_MASK); - tps65910_reg_write(pmic, TPS65910_VDD1_OP, vsel); + tps65910_reg_write_locked(pmic, TPS65910_VDD1_OP, vsel); break; case TPS65910_REG_VDD2: dcdc_mult = (selector / VDD1_2_NUM_VOLT_FINE) + 1; @@ -739,11 +734,11 @@ static int tps65910_set_voltage_dcdc_sel(struct regulator_dev *dev, tps65910_modify_bits(pmic, TPS65910_VDD2, (dcdc_mult << VDD2_VGAIN_SEL_SHIFT), VDD1_VGAIN_SEL_MASK); - tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel); + tps65910_reg_write_locked(pmic, TPS65910_VDD2_OP, vsel); break; case TPS65911_REG_VDDCTRL: vsel = selector + 3; - tps65910_reg_write(pmic, TPS65911_VDDCTRL_OP, vsel); + tps65910_reg_write_locked(pmic, TPS65911_VDDCTRL_OP, vsel); } return 0; @@ -994,10 +989,10 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic, /* External EN1 control */ if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1) - ret = tps65910_set_bits(mfd, + ret = tps65910_reg_set_bits(mfd, TPS65910_EN1_LDO_ASS + regoffs, bit_pos); else - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_EN1_LDO_ASS + regoffs, bit_pos); if (ret < 0) { dev_err(mfd->dev, @@ -1007,10 +1002,10 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic, /* External EN2 control */ if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN2) - ret = tps65910_set_bits(mfd, + ret = tps65910_reg_set_bits(mfd, TPS65910_EN2_LDO_ASS + regoffs, bit_pos); else - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_EN2_LDO_ASS + regoffs, bit_pos); if (ret < 0) { dev_err(mfd->dev, @@ -1022,10 +1017,10 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic, if ((tps65910_chip_id(mfd) == TPS65910) && (id >= TPS65910_REG_VDIG1)) { if (ext_sleep_config & TPS65910_SLEEP_CONTROL_EXT_INPUT_EN3) - ret = tps65910_set_bits(mfd, + ret = tps65910_reg_set_bits(mfd, TPS65910_EN3_LDO_ASS + regoffs, bit_pos); else - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_EN3_LDO_ASS + regoffs, bit_pos); if (ret < 0) { dev_err(mfd->dev, @@ -1037,10 +1032,10 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic, /* Return if no external control is selected */ if (!(ext_sleep_config & EXT_SLEEP_CONTROL)) { /* Clear all sleep controls */ - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos); if (!ret) - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos); if (ret < 0) dev_err(mfd->dev, @@ -1059,32 +1054,33 @@ static int tps65910_set_ext_sleep_config(struct tps65910_reg *pmic, (tps65910_chip_id(mfd) == TPS65911))) { int op_reg_add = pmic->get_ctrl_reg(id) + 1; int sr_reg_add = pmic->get_ctrl_reg(id) + 2; - int opvsel = tps65910_reg_read(pmic, op_reg_add); - int srvsel = tps65910_reg_read(pmic, sr_reg_add); + int opvsel = tps65910_reg_read_locked(pmic, op_reg_add); + int srvsel = tps65910_reg_read_locked(pmic, sr_reg_add); if (opvsel & VDD1_OP_CMD_MASK) { u8 reg_val = srvsel & VDD1_OP_SEL_MASK; - ret = tps65910_reg_write(pmic, op_reg_add, reg_val); + ret = tps65910_reg_write_locked(pmic, op_reg_add, + reg_val); if (ret < 0) { dev_err(mfd->dev, "Error in configuring op register\n"); return ret; } } - ret = tps65910_reg_write(pmic, sr_reg_add, 0); + ret = tps65910_reg_write_locked(pmic, sr_reg_add, 0); if (ret < 0) { dev_err(mfd->dev, "Error in settting sr register\n"); return ret; } } - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_SLEEP_KEEP_LDO_ON + regoffs, bit_pos); if (!ret) { if (ext_sleep_config & TPS65911_SLEEP_CONTROL_EXT_INPUT_SLEEP) - ret = tps65910_set_bits(mfd, + ret = tps65910_reg_set_bits(mfd, TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos); else - ret = tps65910_clear_bits(mfd, + ret = tps65910_reg_clear_bits(mfd, TPS65910_SLEEP_SET_LDO_OFF + regoffs, bit_pos); } if (ret < 0) @@ -1117,7 +1113,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pmic); /* Give control of all register to control port */ - tps65910_set_bits(pmic->mfd, TPS65910_DEVCTRL, + tps65910_reg_set_bits(pmic->mfd, TPS65910_DEVCTRL, DEVCTRL_SR_CTL_I2C_SEL_MASK); switch(tps65910_chip_id(tps65910)) { |