iio: health/afe440x: Use regmap fields
These drivers can use regmap fields to access fields in registers, this allows us to remove some macros/defines and simplify code, do this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
parent
24b9dea764
commit
b36e825764
|
@ -39,32 +39,6 @@
|
|||
#define AFE4403_TIAGAIN 0x20
|
||||
#define AFE4403_TIA_AMB_GAIN 0x21
|
||||
|
||||
/* AFE4403 GAIN register fields */
|
||||
#define AFE4403_TIAGAIN_RES_MASK GENMASK(2, 0)
|
||||
#define AFE4403_TIAGAIN_RES_SHIFT 0
|
||||
#define AFE4403_TIAGAIN_CAP_MASK GENMASK(7, 3)
|
||||
#define AFE4403_TIAGAIN_CAP_SHIFT 3
|
||||
|
||||
/* AFE4403 LEDCNTRL register fields */
|
||||
#define AFE440X_LEDCNTRL_LED1_MASK GENMASK(15, 8)
|
||||
#define AFE440X_LEDCNTRL_LED1_SHIFT 8
|
||||
#define AFE440X_LEDCNTRL_LED2_MASK GENMASK(7, 0)
|
||||
#define AFE440X_LEDCNTRL_LED2_SHIFT 0
|
||||
#define AFE440X_LEDCNTRL_LED_RANGE_MASK GENMASK(17, 16)
|
||||
#define AFE440X_LEDCNTRL_LED_RANGE_SHIFT 16
|
||||
|
||||
/* AFE4403 CONTROL2 register fields */
|
||||
#define AFE440X_CONTROL2_PWR_DWN_TX BIT(2)
|
||||
#define AFE440X_CONTROL2_EN_SLOW_DIAG BIT(8)
|
||||
#define AFE440X_CONTROL2_DIAG_OUT_TRI BIT(10)
|
||||
#define AFE440X_CONTROL2_TX_BRDG_MOD BIT(11)
|
||||
#define AFE440X_CONTROL2_TX_REF_MASK GENMASK(18, 17)
|
||||
#define AFE440X_CONTROL2_TX_REF_SHIFT 17
|
||||
|
||||
/* AFE4404 NULL fields */
|
||||
#define NULL_MASK 0
|
||||
#define NULL_SHIFT 0
|
||||
|
||||
/* AFE4403 LEDCNTRL values */
|
||||
#define AFE440X_LEDCNTRL_RANGE_TX_HALF 0x1
|
||||
#define AFE440X_LEDCNTRL_RANGE_TX_FULL 0x2
|
||||
|
@ -102,11 +76,35 @@
|
|||
#define AFE4403_TIAGAIN_RES_1_M 0x6
|
||||
#define AFE4403_TIAGAIN_RES_NONE 0x7
|
||||
|
||||
enum afe4403_fields {
|
||||
/* Gains */
|
||||
F_RF_LED1, F_CF_LED1,
|
||||
F_RF_LED, F_CF_LED,
|
||||
|
||||
/* LED Current */
|
||||
F_ILED1, F_ILED2,
|
||||
|
||||
/* sentinel */
|
||||
F_MAX_FIELDS
|
||||
};
|
||||
|
||||
static const struct reg_field afe4403_reg_fields[] = {
|
||||
/* Gains */
|
||||
[F_RF_LED1] = REG_FIELD(AFE4403_TIAGAIN, 0, 2),
|
||||
[F_CF_LED1] = REG_FIELD(AFE4403_TIAGAIN, 3, 7),
|
||||
[F_RF_LED] = REG_FIELD(AFE4403_TIA_AMB_GAIN, 0, 2),
|
||||
[F_CF_LED] = REG_FIELD(AFE4403_TIA_AMB_GAIN, 3, 7),
|
||||
/* LED Current */
|
||||
[F_ILED1] = REG_FIELD(AFE440X_LEDCNTRL, 0, 7),
|
||||
[F_ILED2] = REG_FIELD(AFE440X_LEDCNTRL, 8, 15),
|
||||
};
|
||||
|
||||
/**
|
||||
* struct afe4403_data - AFE4403 device instance data
|
||||
* @dev: Device structure
|
||||
* @spi: SPI device handle
|
||||
* @regmap: Register map of the device
|
||||
* @fields: Register fields of the device
|
||||
* @regulator: Pointer to the regulator for the IC
|
||||
* @trig: IIO trigger for this device
|
||||
* @irq: ADC_RDY line interrupt number
|
||||
|
@ -115,6 +113,7 @@ struct afe4403_data {
|
|||
struct device *dev;
|
||||
struct spi_device *spi;
|
||||
struct regmap *regmap;
|
||||
struct regmap_field *fields[F_MAX_FIELDS];
|
||||
struct regulator *regulator;
|
||||
struct iio_trigger *trig;
|
||||
int irq;
|
||||
|
@ -131,15 +130,18 @@ enum afe4403_chan_id {
|
|||
ILED2,
|
||||
};
|
||||
|
||||
static const struct afe440x_reg_info afe4403_reg_info[] = {
|
||||
[LED2] = AFE440X_REG_INFO(AFE440X_LED2VAL, 0, NULL),
|
||||
[ALED2] = AFE440X_REG_INFO(AFE440X_ALED2VAL, 0, NULL),
|
||||
[LED1] = AFE440X_REG_INFO(AFE440X_LED1VAL, 0, NULL),
|
||||
[ALED1] = AFE440X_REG_INFO(AFE440X_ALED1VAL, 0, NULL),
|
||||
[LED2_ALED2] = AFE440X_REG_INFO(AFE440X_LED2_ALED2VAL, 0, NULL),
|
||||
[LED1_ALED1] = AFE440X_REG_INFO(AFE440X_LED1_ALED1VAL, 0, NULL),
|
||||
[ILED1] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE440X_LEDCNTRL_LED1),
|
||||
[ILED2] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE440X_LEDCNTRL_LED2),
|
||||
static const unsigned int afe4403_channel_values[] = {
|
||||
[LED2] = AFE440X_LED2VAL,
|
||||
[ALED2] = AFE440X_ALED2VAL,
|
||||
[LED1] = AFE440X_LED1VAL,
|
||||
[ALED1] = AFE440X_ALED1VAL,
|
||||
[LED2_ALED2] = AFE440X_LED2_ALED2VAL,
|
||||
[LED1_ALED1] = AFE440X_LED1_ALED1VAL,
|
||||
};
|
||||
|
||||
static const unsigned int afe4403_channel_leds[] = {
|
||||
[ILED1] = F_ILED1,
|
||||
[ILED2] = F_ILED2,
|
||||
};
|
||||
|
||||
static const struct iio_chan_spec afe4403_channels[] = {
|
||||
|
@ -184,13 +186,10 @@ static ssize_t afe440x_show_register(struct device *dev,
|
|||
int vals[2];
|
||||
int ret;
|
||||
|
||||
ret = regmap_read(afe->regmap, afe440x_attr->reg, ®_val);
|
||||
ret = regmap_field_read(afe->fields[afe440x_attr->field], ®_val);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
reg_val &= afe440x_attr->mask;
|
||||
reg_val >>= afe440x_attr->shift;
|
||||
|
||||
if (reg_val >= afe440x_attr->table_size)
|
||||
return -EINVAL;
|
||||
|
||||
|
@ -220,20 +219,18 @@ static ssize_t afe440x_store_register(struct device *dev,
|
|||
if (val == afe440x_attr->table_size)
|
||||
return -EINVAL;
|
||||
|
||||
ret = regmap_update_bits(afe->regmap, afe440x_attr->reg,
|
||||
afe440x_attr->mask,
|
||||
(val << afe440x_attr->shift));
|
||||
ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static AFE440X_ATTR(tia_resistance1, AFE4403_TIAGAIN, AFE4403_TIAGAIN_RES, afe4403_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance1, AFE4403_TIAGAIN, AFE4403_TIAGAIN_CAP, afe4403_cap_table);
|
||||
static AFE440X_ATTR(tia_resistance1, F_RF_LED1, afe4403_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance1, F_CF_LED1, afe4403_cap_table);
|
||||
|
||||
static AFE440X_ATTR(tia_resistance2, AFE4403_TIA_AMB_GAIN, AFE4403_TIAGAIN_RES, afe4403_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance2, AFE4403_TIA_AMB_GAIN, AFE4403_TIAGAIN_RES, afe4403_cap_table);
|
||||
static AFE440X_ATTR(tia_resistance2, F_RF_LED, afe4403_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance2, F_CF_LED, afe4403_cap_table);
|
||||
|
||||
static struct attribute *afe440x_attributes[] = {
|
||||
&afe440x_attr_tia_resistance1.dev_attr.attr,
|
||||
|
@ -282,14 +279,15 @@ static int afe4403_read_raw(struct iio_dev *indio_dev,
|
|||
int *val, int *val2, long mask)
|
||||
{
|
||||
struct afe4403_data *afe = iio_priv(indio_dev);
|
||||
const struct afe440x_reg_info reg_info = afe4403_reg_info[chan->address];
|
||||
unsigned int reg = afe4403_channel_values[chan->address];
|
||||
unsigned int field = afe4403_channel_leds[chan->address];
|
||||
int ret;
|
||||
|
||||
switch (chan->type) {
|
||||
case IIO_INTENSITY:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_RAW:
|
||||
ret = afe4403_read(afe, reg_info.reg, val);
|
||||
ret = afe4403_read(afe, reg, val);
|
||||
if (ret)
|
||||
return ret;
|
||||
return IIO_VAL_INT;
|
||||
|
@ -298,11 +296,9 @@ static int afe4403_read_raw(struct iio_dev *indio_dev,
|
|||
case IIO_CURRENT:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_RAW:
|
||||
ret = regmap_read(afe->regmap, reg_info.reg, val);
|
||||
ret = regmap_field_read(afe->fields[field], val);
|
||||
if (ret)
|
||||
return ret;
|
||||
*val &= reg_info.mask;
|
||||
*val >>= reg_info.shift;
|
||||
return IIO_VAL_INT;
|
||||
case IIO_CHAN_INFO_SCALE:
|
||||
*val = 0;
|
||||
|
@ -322,16 +318,13 @@ static int afe4403_write_raw(struct iio_dev *indio_dev,
|
|||
int val, int val2, long mask)
|
||||
{
|
||||
struct afe4403_data *afe = iio_priv(indio_dev);
|
||||
const struct afe440x_reg_info reg_info = afe4403_reg_info[chan->address];
|
||||
unsigned int field = afe4403_channel_leds[chan->address];
|
||||
|
||||
switch (chan->type) {
|
||||
case IIO_CURRENT:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_RAW:
|
||||
return regmap_update_bits(afe->regmap,
|
||||
reg_info.reg,
|
||||
reg_info.mask,
|
||||
(val << reg_info.shift));
|
||||
return regmap_field_write(afe->fields[field], val);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
|
@ -366,7 +359,7 @@ static irqreturn_t afe4403_trigger_handler(int irq, void *private)
|
|||
for_each_set_bit(bit, indio_dev->active_scan_mask,
|
||||
indio_dev->masklength) {
|
||||
ret = spi_write_then_read(afe->spi,
|
||||
&afe4403_reg_info[bit].reg, 1,
|
||||
&afe4403_channel_values[bit], 1,
|
||||
rx, 3);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
@ -503,7 +496,7 @@ static int afe4403_probe(struct spi_device *spi)
|
|||
{
|
||||
struct iio_dev *indio_dev;
|
||||
struct afe4403_data *afe;
|
||||
int ret;
|
||||
int i, ret;
|
||||
|
||||
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*afe));
|
||||
if (!indio_dev)
|
||||
|
@ -522,6 +515,15 @@ static int afe4403_probe(struct spi_device *spi)
|
|||
return PTR_ERR(afe->regmap);
|
||||
}
|
||||
|
||||
for (i = 0; i < F_MAX_FIELDS; i++) {
|
||||
afe->fields[i] = devm_regmap_field_alloc(afe->dev, afe->regmap,
|
||||
afe4403_reg_fields[i]);
|
||||
if (IS_ERR(afe->fields[i])) {
|
||||
dev_err(afe->dev, "Unable to allocate regmap fields\n");
|
||||
return PTR_ERR(afe->fields[i]);
|
||||
}
|
||||
}
|
||||
|
||||
afe->regulator = devm_regulator_get(afe->dev, "tx_sup");
|
||||
if (IS_ERR(afe->regulator)) {
|
||||
dev_err(afe->dev, "Unable to get regulator\n");
|
||||
|
|
|
@ -48,43 +48,9 @@
|
|||
#define AFE4404_AVG_LED2_ALED2VAL 0x3f
|
||||
#define AFE4404_AVG_LED1_ALED1VAL 0x40
|
||||
|
||||
/* AFE4404 GAIN register fields */
|
||||
#define AFE4404_TIA_GAIN_RES_MASK GENMASK(2, 0)
|
||||
#define AFE4404_TIA_GAIN_RES_SHIFT 0
|
||||
#define AFE4404_TIA_GAIN_CAP_MASK GENMASK(5, 3)
|
||||
#define AFE4404_TIA_GAIN_CAP_SHIFT 3
|
||||
|
||||
/* AFE4404 LEDCNTRL register fields */
|
||||
#define AFE4404_LEDCNTRL_ILED1_MASK GENMASK(5, 0)
|
||||
#define AFE4404_LEDCNTRL_ILED1_SHIFT 0
|
||||
#define AFE4404_LEDCNTRL_ILED2_MASK GENMASK(11, 6)
|
||||
#define AFE4404_LEDCNTRL_ILED2_SHIFT 6
|
||||
#define AFE4404_LEDCNTRL_ILED3_MASK GENMASK(17, 12)
|
||||
#define AFE4404_LEDCNTRL_ILED3_SHIFT 12
|
||||
|
||||
/* AFE4404 CONTROL2 register fields */
|
||||
#define AFE440X_CONTROL2_ILED_2X_MASK BIT(17)
|
||||
#define AFE440X_CONTROL2_ILED_2X_SHIFT 17
|
||||
|
||||
/* AFE4404 CONTROL3 register fields */
|
||||
#define AFE440X_CONTROL3_OSC_ENABLE BIT(9)
|
||||
|
||||
/* AFE4404 OFFDAC register current fields */
|
||||
#define AFE4404_OFFDAC_CURR_LED1_MASK GENMASK(9, 5)
|
||||
#define AFE4404_OFFDAC_CURR_LED1_SHIFT 5
|
||||
#define AFE4404_OFFDAC_CURR_LED2_MASK GENMASK(19, 15)
|
||||
#define AFE4404_OFFDAC_CURR_LED2_SHIFT 15
|
||||
#define AFE4404_OFFDAC_CURR_LED3_MASK GENMASK(4, 0)
|
||||
#define AFE4404_OFFDAC_CURR_LED3_SHIFT 0
|
||||
#define AFE4404_OFFDAC_CURR_ALED1_MASK GENMASK(14, 10)
|
||||
#define AFE4404_OFFDAC_CURR_ALED1_SHIFT 10
|
||||
#define AFE4404_OFFDAC_CURR_ALED2_MASK GENMASK(4, 0)
|
||||
#define AFE4404_OFFDAC_CURR_ALED2_SHIFT 0
|
||||
|
||||
/* AFE4404 NULL fields */
|
||||
#define NULL_MASK 0
|
||||
#define NULL_SHIFT 0
|
||||
|
||||
/* AFE4404 TIA_GAIN_CAP values */
|
||||
#define AFE4404_TIA_GAIN_CAP_5_P 0x0
|
||||
#define AFE4404_TIA_GAIN_CAP_2_5_P 0x1
|
||||
|
@ -105,10 +71,43 @@
|
|||
#define AFE4404_TIA_GAIN_RES_1_M 0x6
|
||||
#define AFE4404_TIA_GAIN_RES_2_M 0x7
|
||||
|
||||
enum afe4404_fields {
|
||||
/* Gains */
|
||||
F_TIA_GAIN_SEP, F_TIA_CF_SEP,
|
||||
F_TIA_GAIN, TIA_CF,
|
||||
|
||||
/* LED Current */
|
||||
F_ILED1, F_ILED2, F_ILED3,
|
||||
|
||||
/* Offset DAC */
|
||||
F_OFFDAC_AMB2, F_OFFDAC_LED1, F_OFFDAC_AMB1, F_OFFDAC_LED2,
|
||||
|
||||
/* sentinel */
|
||||
F_MAX_FIELDS
|
||||
};
|
||||
|
||||
static const struct reg_field afe4404_reg_fields[] = {
|
||||
/* Gains */
|
||||
[F_TIA_GAIN_SEP] = REG_FIELD(AFE4404_TIA_GAIN_SEP, 0, 2),
|
||||
[F_TIA_CF_SEP] = REG_FIELD(AFE4404_TIA_GAIN_SEP, 3, 5),
|
||||
[F_TIA_GAIN] = REG_FIELD(AFE4404_TIA_GAIN, 0, 2),
|
||||
[TIA_CF] = REG_FIELD(AFE4404_TIA_GAIN, 3, 5),
|
||||
/* LED Current */
|
||||
[F_ILED1] = REG_FIELD(AFE440X_LEDCNTRL, 0, 5),
|
||||
[F_ILED2] = REG_FIELD(AFE440X_LEDCNTRL, 6, 11),
|
||||
[F_ILED3] = REG_FIELD(AFE440X_LEDCNTRL, 12, 17),
|
||||
/* Offset DAC */
|
||||
[F_OFFDAC_AMB2] = REG_FIELD(AFE4404_OFFDAC, 0, 4),
|
||||
[F_OFFDAC_LED1] = REG_FIELD(AFE4404_OFFDAC, 5, 9),
|
||||
[F_OFFDAC_AMB1] = REG_FIELD(AFE4404_OFFDAC, 10, 14),
|
||||
[F_OFFDAC_LED2] = REG_FIELD(AFE4404_OFFDAC, 15, 19),
|
||||
};
|
||||
|
||||
/**
|
||||
* struct afe4404_data - AFE4404 device instance data
|
||||
* @dev: Device structure
|
||||
* @regmap: Register map of the device
|
||||
* @fields: Register fields of the device
|
||||
* @regulator: Pointer to the regulator for the IC
|
||||
* @trig: IIO trigger for this device
|
||||
* @irq: ADC_RDY line interrupt number
|
||||
|
@ -116,6 +115,7 @@
|
|||
struct afe4404_data {
|
||||
struct device *dev;
|
||||
struct regmap *regmap;
|
||||
struct regmap_field *fields[F_MAX_FIELDS];
|
||||
struct regulator *regulator;
|
||||
struct iio_trigger *trig;
|
||||
int irq;
|
||||
|
@ -133,16 +133,26 @@ enum afe4404_chan_id {
|
|||
ILED3,
|
||||
};
|
||||
|
||||
static const struct afe440x_reg_info afe4404_reg_info[] = {
|
||||
[LED2] = AFE440X_REG_INFO(AFE440X_LED2VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_LED2),
|
||||
[ALED2] = AFE440X_REG_INFO(AFE440X_ALED2VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_ALED2),
|
||||
[LED1] = AFE440X_REG_INFO(AFE440X_LED1VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_LED1),
|
||||
[ALED1] = AFE440X_REG_INFO(AFE440X_ALED1VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_ALED1),
|
||||
[LED2_ALED2] = AFE440X_REG_INFO(AFE440X_LED2_ALED2VAL, 0, NULL),
|
||||
[LED1_ALED1] = AFE440X_REG_INFO(AFE440X_LED1_ALED1VAL, 0, NULL),
|
||||
[ILED1] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE4404_LEDCNTRL_ILED1),
|
||||
[ILED2] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE4404_LEDCNTRL_ILED2),
|
||||
[ILED3] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE4404_LEDCNTRL_ILED3),
|
||||
static const unsigned int afe4404_channel_values[] = {
|
||||
[LED2] = AFE440X_LED2VAL,
|
||||
[ALED2] = AFE440X_ALED2VAL,
|
||||
[LED1] = AFE440X_LED1VAL,
|
||||
[ALED1] = AFE440X_ALED1VAL,
|
||||
[LED2_ALED2] = AFE440X_LED2_ALED2VAL,
|
||||
[LED1_ALED1] = AFE440X_LED1_ALED1VAL,
|
||||
};
|
||||
|
||||
static const unsigned int afe4404_channel_leds[] = {
|
||||
[ILED1] = F_ILED1,
|
||||
[ILED2] = F_ILED2,
|
||||
[ILED3] = F_ILED3,
|
||||
};
|
||||
|
||||
static const unsigned int afe4404_channel_offdacs[] = {
|
||||
[LED2] = F_OFFDAC_LED2,
|
||||
[ALED2] = F_OFFDAC_AMB2,
|
||||
[LED1] = F_OFFDAC_LED1,
|
||||
[ALED1] = F_OFFDAC_AMB1,
|
||||
};
|
||||
|
||||
static const struct iio_chan_spec afe4404_channels[] = {
|
||||
|
@ -194,13 +204,10 @@ static ssize_t afe440x_show_register(struct device *dev,
|
|||
int vals[2];
|
||||
int ret;
|
||||
|
||||
ret = regmap_read(afe->regmap, afe440x_attr->reg, ®_val);
|
||||
ret = regmap_field_read(afe->fields[afe440x_attr->field], ®_val);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
reg_val &= afe440x_attr->mask;
|
||||
reg_val >>= afe440x_attr->shift;
|
||||
|
||||
if (reg_val >= afe440x_attr->table_size)
|
||||
return -EINVAL;
|
||||
|
||||
|
@ -230,20 +237,18 @@ static ssize_t afe440x_store_register(struct device *dev,
|
|||
if (val == afe440x_attr->table_size)
|
||||
return -EINVAL;
|
||||
|
||||
ret = regmap_update_bits(afe->regmap, afe440x_attr->reg,
|
||||
afe440x_attr->mask,
|
||||
(val << afe440x_attr->shift));
|
||||
ret = regmap_field_write(afe->fields[afe440x_attr->field], val);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static AFE440X_ATTR(tia_resistance1, AFE4404_TIA_GAIN, AFE4404_TIA_GAIN_RES, afe4404_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance1, AFE4404_TIA_GAIN, AFE4404_TIA_GAIN_CAP, afe4404_cap_table);
|
||||
static AFE440X_ATTR(tia_resistance1, F_TIA_GAIN, afe4404_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance1, TIA_CF, afe4404_cap_table);
|
||||
|
||||
static AFE440X_ATTR(tia_resistance2, AFE4404_TIA_GAIN_SEP, AFE4404_TIA_GAIN_RES, afe4404_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance2, AFE4404_TIA_GAIN_SEP, AFE4404_TIA_GAIN_CAP, afe4404_cap_table);
|
||||
static AFE440X_ATTR(tia_resistance2, F_TIA_GAIN_SEP, afe4404_res_table);
|
||||
static AFE440X_ATTR(tia_capacitance2, F_TIA_CF_SEP, afe4404_cap_table);
|
||||
|
||||
static struct attribute *afe440x_attributes[] = {
|
||||
&afe440x_attr_tia_resistance1.dev_attr.attr,
|
||||
|
@ -264,35 +269,32 @@ static int afe4404_read_raw(struct iio_dev *indio_dev,
|
|||
int *val, int *val2, long mask)
|
||||
{
|
||||
struct afe4404_data *afe = iio_priv(indio_dev);
|
||||
const struct afe440x_reg_info reg_info = afe4404_reg_info[chan->address];
|
||||
unsigned int value_reg = afe4404_channel_values[chan->address];
|
||||
unsigned int led_field = afe4404_channel_leds[chan->address];
|
||||
unsigned int offdac_field = afe4404_channel_offdacs[chan->address];
|
||||
int ret;
|
||||
|
||||
switch (chan->type) {
|
||||
case IIO_INTENSITY:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_RAW:
|
||||
ret = regmap_read(afe->regmap, reg_info.reg, val);
|
||||
ret = regmap_read(afe->regmap, value_reg, val);
|
||||
if (ret)
|
||||
return ret;
|
||||
return IIO_VAL_INT;
|
||||
case IIO_CHAN_INFO_OFFSET:
|
||||
ret = regmap_read(afe->regmap, reg_info.offreg,
|
||||
val);
|
||||
ret = regmap_field_read(afe->fields[offdac_field], val);
|
||||
if (ret)
|
||||
return ret;
|
||||
*val &= reg_info.mask;
|
||||
*val >>= reg_info.shift;
|
||||
return IIO_VAL_INT;
|
||||
}
|
||||
break;
|
||||
case IIO_CURRENT:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_RAW:
|
||||
ret = regmap_read(afe->regmap, reg_info.reg, val);
|
||||
ret = regmap_field_read(afe->fields[led_field], val);
|
||||
if (ret)
|
||||
return ret;
|
||||
*val &= reg_info.mask;
|
||||
*val >>= reg_info.shift;
|
||||
return IIO_VAL_INT;
|
||||
case IIO_CHAN_INFO_SCALE:
|
||||
*val = 0;
|
||||
|
@ -312,25 +314,20 @@ static int afe4404_write_raw(struct iio_dev *indio_dev,
|
|||
int val, int val2, long mask)
|
||||
{
|
||||
struct afe4404_data *afe = iio_priv(indio_dev);
|
||||
const struct afe440x_reg_info reg_info = afe4404_reg_info[chan->address];
|
||||
unsigned int led_field = afe4404_channel_leds[chan->address];
|
||||
unsigned int offdac_field = afe4404_channel_offdacs[chan->address];
|
||||
|
||||
switch (chan->type) {
|
||||
case IIO_INTENSITY:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_OFFSET:
|
||||
return regmap_update_bits(afe->regmap,
|
||||
reg_info.offreg,
|
||||
reg_info.mask,
|
||||
(val << reg_info.shift));
|
||||
return regmap_field_write(afe->fields[offdac_field], val);
|
||||
}
|
||||
break;
|
||||
case IIO_CURRENT:
|
||||
switch (mask) {
|
||||
case IIO_CHAN_INFO_RAW:
|
||||
return regmap_update_bits(afe->regmap,
|
||||
reg_info.reg,
|
||||
reg_info.mask,
|
||||
(val << reg_info.shift));
|
||||
return regmap_field_write(afe->fields[led_field], val);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
|
@ -357,7 +354,7 @@ static irqreturn_t afe4404_trigger_handler(int irq, void *private)
|
|||
|
||||
for_each_set_bit(bit, indio_dev->active_scan_mask,
|
||||
indio_dev->masklength) {
|
||||
ret = regmap_read(afe->regmap, afe4404_reg_info[bit].reg,
|
||||
ret = regmap_read(afe->regmap, afe4404_channel_values[bit],
|
||||
&buffer[i++]);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
@ -490,7 +487,7 @@ static int afe4404_probe(struct i2c_client *client,
|
|||
{
|
||||
struct iio_dev *indio_dev;
|
||||
struct afe4404_data *afe;
|
||||
int ret;
|
||||
int i, ret;
|
||||
|
||||
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*afe));
|
||||
if (!indio_dev)
|
||||
|
@ -508,6 +505,15 @@ static int afe4404_probe(struct i2c_client *client,
|
|||
return PTR_ERR(afe->regmap);
|
||||
}
|
||||
|
||||
for (i = 0; i < F_MAX_FIELDS; i++) {
|
||||
afe->fields[i] = devm_regmap_field_alloc(afe->dev, afe->regmap,
|
||||
afe4404_reg_fields[i]);
|
||||
if (IS_ERR(afe->fields[i])) {
|
||||
dev_err(afe->dev, "Unable to allocate regmap fields\n");
|
||||
return PTR_ERR(afe->fields[i]);
|
||||
}
|
||||
}
|
||||
|
||||
afe->regulator = devm_regulator_get(afe->dev, "tx_sup");
|
||||
if (IS_ERR(afe->regulator)) {
|
||||
dev_err(afe->dev, "Unable to get regulator\n");
|
||||
|
|
|
@ -88,21 +88,6 @@
|
|||
#define AFE440X_CONTROL0_WRITE 0x0
|
||||
#define AFE440X_CONTROL0_READ 0x1
|
||||
|
||||
struct afe440x_reg_info {
|
||||
unsigned int reg;
|
||||
unsigned int offreg;
|
||||
unsigned int shift;
|
||||
unsigned int mask;
|
||||
};
|
||||
|
||||
#define AFE440X_REG_INFO(_reg, _offreg, _sm) \
|
||||
{ \
|
||||
.reg = _reg, \
|
||||
.offreg = _offreg, \
|
||||
.shift = _sm ## _SHIFT, \
|
||||
.mask = _sm ## _MASK, \
|
||||
}
|
||||
|
||||
#define AFE440X_INTENSITY_CHAN(_index, _mask) \
|
||||
{ \
|
||||
.type = IIO_INTENSITY, \
|
||||
|
@ -157,9 +142,7 @@ static DEVICE_ATTR_RO(_name)
|
|||
|
||||
struct afe440x_attr {
|
||||
struct device_attribute dev_attr;
|
||||
unsigned int reg;
|
||||
unsigned int shift;
|
||||
unsigned int mask;
|
||||
unsigned int field;
|
||||
const struct afe440x_val_table *val_table;
|
||||
unsigned int table_size;
|
||||
};
|
||||
|
@ -167,14 +150,12 @@ struct afe440x_attr {
|
|||
#define to_afe440x_attr(_dev_attr) \
|
||||
container_of(_dev_attr, struct afe440x_attr, dev_attr)
|
||||
|
||||
#define AFE440X_ATTR(_name, _reg, _field, _table) \
|
||||
#define AFE440X_ATTR(_name, _field, _table) \
|
||||
struct afe440x_attr afe440x_attr_##_name = { \
|
||||
.dev_attr = __ATTR(_name, (S_IRUGO | S_IWUSR), \
|
||||
afe440x_show_register, \
|
||||
afe440x_store_register), \
|
||||
.reg = _reg, \
|
||||
.shift = _field ## _SHIFT, \
|
||||
.mask = _field ## _MASK, \
|
||||
.field = _field, \
|
||||
.val_table = _table, \
|
||||
.table_size = ARRAY_SIZE(_table), \
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue