diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/adc/ad7091r-base.c | 29 | ||||
| -rw-r--r-- | drivers/iio/adc/ad7091r-base.h | 39 | ||||
| -rw-r--r-- | drivers/iio/adc/ad7091r5.c | 11 |
3 files changed, 42 insertions, 37 deletions
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c index 7ccc9b44dcd8..3f05e94c756f 100644 --- a/drivers/iio/adc/ad7091r-base.c +++ b/drivers/iio/adc/ad7091r-base.c @@ -16,14 +16,6 @@ #include "ad7091r-base.h" -#define AD7091R_REG_RESULT 0 -#define AD7091R_REG_CHANNEL 1 -#define AD7091R_REG_CONF 2 -#define AD7091R_REG_ALERT 3 -#define AD7091R_REG_CH_LOW_LIMIT(ch) ((ch) * 3 + 4) -#define AD7091R_REG_CH_HIGH_LIMIT(ch) ((ch) * 3 + 5) -#define AD7091R_REG_CH_HYSTERESIS(ch) ((ch) * 3 + 6) - /* AD7091R_REG_RESULT */ #define AD7091R_REG_RESULT_CH_ID(x) (((x) >> 13) & 0x3) #define AD7091R_REG_RESULT_CONV_RESULT(x) ((x) & 0xfff) @@ -36,21 +28,6 @@ #define AD7091R_REG_CONF_MODE_MASK \ (AD7091R_REG_CONF_AUTO | AD7091R_REG_CONF_CMD) -enum ad7091r_mode { - AD7091R_MODE_SAMPLE, - AD7091R_MODE_COMMAND, - AD7091R_MODE_AUTOCYCLE, -}; - -struct ad7091r_state { - struct device *dev; - struct regmap *map; - struct regulator *vref; - const struct ad7091r_chip_info *chip_info; - enum ad7091r_mode mode; - struct mutex lock; /*lock to prevent concurent reads */ -}; - const struct iio_event_spec ad7091r_events[] = { { .type = IIO_EV_TYPE_THRESH, @@ -432,7 +409,7 @@ int ad7091r_probe(struct device *dev, const char *name, } EXPORT_SYMBOL_NS_GPL(ad7091r_probe, IIO_AD7091R); -static bool ad7091r_writeable_reg(struct device *dev, unsigned int reg) +bool ad7091r_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { case AD7091R_REG_RESULT: @@ -442,8 +419,9 @@ static bool ad7091r_writeable_reg(struct device *dev, unsigned int reg) return true; } } +EXPORT_SYMBOL_NS_GPL(ad7091r_writeable_reg, IIO_AD7091R); -static bool ad7091r_volatile_reg(struct device *dev, unsigned int reg) +bool ad7091r_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { case AD7091R_REG_RESULT: @@ -453,6 +431,7 @@ static bool ad7091r_volatile_reg(struct device *dev, unsigned int reg) return false; } } +EXPORT_SYMBOL_NS_GPL(ad7091r_volatile_reg, IIO_AD7091R); const struct regmap_config ad7091r_regmap_config = { .reg_bits = 8, diff --git a/drivers/iio/adc/ad7091r-base.h b/drivers/iio/adc/ad7091r-base.h index b9e1c8bf3440..b63c658a9d23 100644 --- a/drivers/iio/adc/ad7091r-base.h +++ b/drivers/iio/adc/ad7091r-base.h @@ -8,14 +8,48 @@ #ifndef __DRIVERS_IIO_ADC_AD7091R_BASE_H__ #define __DRIVERS_IIO_ADC_AD7091R_BASE_H__ +#define AD7091R_REG_RESULT 0 +#define AD7091R_REG_CHANNEL 1 +#define AD7091R_REG_CONF 2 +#define AD7091R_REG_ALERT 3 +#define AD7091R_REG_CH_LOW_LIMIT(ch) ((ch) * 3 + 4) +#define AD7091R_REG_CH_HIGH_LIMIT(ch) ((ch) * 3 + 5) +#define AD7091R_REG_CH_HYSTERESIS(ch) ((ch) * 3 + 6) + #define AD7091R_REG_CONF_INT_VREF BIT(0) /* AD7091R_REG_CH_LIMIT */ #define AD7091R_HIGH_LIMIT 0xFFF #define AD7091R_LOW_LIMIT 0x0 +#define AD7091R_CHANNEL(idx, bits, ev, num_ev) { \ + .type = IIO_VOLTAGE, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .indexed = 1, \ + .channel = idx, \ + .event_spec = ev, \ + .num_event_specs = num_ev, \ + .scan_type.storagebits = 16, \ + .scan_type.realbits = bits, \ +} + struct device; -struct ad7091r_state; + +enum ad7091r_mode { + AD7091R_MODE_SAMPLE, + AD7091R_MODE_COMMAND, + AD7091R_MODE_AUTOCYCLE, +}; + +struct ad7091r_state { + struct device *dev; + struct regmap *map; + struct regulator *vref; + const struct ad7091r_chip_info *chip_info; + enum ad7091r_mode mode; + struct mutex lock; /*lock to prevent concurent reads */ +}; struct ad7091r_chip_info { unsigned int num_channels; @@ -31,4 +65,7 @@ int ad7091r_probe(struct device *dev, const char *name, const struct ad7091r_chip_info *chip_info, struct regmap *map, int irq); +bool ad7091r_volatile_reg(struct device *dev, unsigned int reg); +bool ad7091r_writeable_reg(struct device *dev, unsigned int reg); + #endif /* __DRIVERS_IIO_ADC_AD7091R_BASE_H__ */ diff --git a/drivers/iio/adc/ad7091r5.c b/drivers/iio/adc/ad7091r5.c index dae98c95ebb8..9d3ccfca94ec 100644 --- a/drivers/iio/adc/ad7091r5.c +++ b/drivers/iio/adc/ad7091r5.c @@ -12,17 +12,6 @@ #include "ad7091r-base.h" -#define AD7091R_CHANNEL(idx, bits, ev, num_ev) { \ - .type = IIO_VOLTAGE, \ - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ - .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ - .indexed = 1, \ - .channel = idx, \ - .event_spec = ev, \ - .num_event_specs = num_ev, \ - .scan_type.storagebits = 16, \ - .scan_type.realbits = bits, \ -} static const struct iio_chan_spec ad7091r5_channels_irq[] = { AD7091R_CHANNEL(0, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)), AD7091R_CHANNEL(1, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)), |