The ad779x channels all follow the same pattern. Add a helper macro to
initialize the channel spec, this allows us to drop quite a few lines.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
drivers/staging/iio/adc/ad799x_core.c | 386 +++++-----------------------------
1 file changed, 56 insertions(+), 330 deletions(-)
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index 8d2012c..49972e1 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -460,145 +460,55 @@ static const struct iio_info ad7993_4_7_8_info = {
#define AD799X_EV_MASK (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | \
IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING))
+#define AD799X_CHANNEL(_index, _realbits, _evmask) { \
+ .type = IIO_VOLTAGE, \
+ .indexed = 1, \
+ .channel = (_index), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .scan_index = (_index), \
+ .scan_type = IIO_ST('u', _realbits, 16, 12 - (_realbits)), \
+ .event_mask = (_evmask), \
+}
+
static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
[ad7991] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [4] = IIO_CHAN_SOFT_TIMESTAMP(4),
+ AD799X_CHANNEL(0, 12, 0),
+ AD799X_CHANNEL(1, 12, 0),
+ AD799X_CHANNEL(2, 12, 0),
+ AD799X_CHANNEL(3, 12, 0),
+ IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
.info = &ad7991_info,
},
[ad7995] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [4] = IIO_CHAN_SOFT_TIMESTAMP(4),
+ AD799X_CHANNEL(0, 10, 0),
+ AD799X_CHANNEL(1, 10, 0),
+ AD799X_CHANNEL(2, 10, 0),
+ AD799X_CHANNEL(3, 10, 0),
+ IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
.info = &ad7991_info,
},
[ad7999] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [4] = IIO_CHAN_SOFT_TIMESTAMP(4),
+ AD799X_CHANNEL(0, 8, 0),
+ AD799X_CHANNEL(1, 8, 0),
+ AD799X_CHANNEL(2, 8, 0),
+ AD799X_CHANNEL(3, 8, 0),
+ IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
.info = &ad7991_info,
},
[ad7992] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [2] = IIO_CHAN_SOFT_TIMESTAMP(2),
+ AD799X_CHANNEL(0, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(1, 12, AD799X_EV_MASK),
+ IIO_CHAN_SOFT_TIMESTAMP(3),
},
.num_channels = 3,
.default_config = AD7998_ALERT_EN,
@@ -606,43 +516,11 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7993] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .scan_index = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [4] = IIO_CHAN_SOFT_TIMESTAMP(4),
+ AD799X_CHANNEL(0, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(1, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(2, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(3, 10, AD799X_EV_MASK),
+ IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
.default_config = AD7998_ALERT_EN,
@@ -650,43 +528,11 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7994] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [4] = IIO_CHAN_SOFT_TIMESTAMP(4),
+ AD799X_CHANNEL(0, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(1, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(2, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(3, 12, AD799X_EV_MASK),
+ IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
.default_config = AD7998_ALERT_EN,
@@ -694,75 +540,15 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7997] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [4] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 4,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 4,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [5] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 5,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 5,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [6] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 6,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 6,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [7] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 7,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 7,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [8] = IIO_CHAN_SOFT_TIMESTAMP(8),
+ AD799X_CHANNEL(0, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(1, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(2, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(3, 10, AD799X_EV_MASK),
+ AD799X_CHANNEL(4, 10, 0),
+ AD799X_CHANNEL(5, 10, 0),
+ AD799X_CHANNEL(6, 10, 0),
+ AD799X_CHANNEL(7, 10, 0),
+ IIO_CHAN_SOFT_TIMESTAMP(8),
},
.num_channels = 9,
.default_config = AD7998_ALERT_EN,
@@ -770,75 +556,15 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7998] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 2,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 3,
- .scan_type = IIO_ST('u', 12, 16, 0),
- .event_mask = AD799X_EV_MASK,
- },
- [4] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 4,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 4,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [5] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 5,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 5,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [6] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 6,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 6,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [7] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 7,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .scan_index = 7,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [8] = IIO_CHAN_SOFT_TIMESTAMP(8),
+ AD799X_CHANNEL(0, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(1, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(2, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(3, 12, AD799X_EV_MASK),
+ AD799X_CHANNEL(4, 12, 0),
+ AD799X_CHANNEL(5, 12, 0),
+ AD799X_CHANNEL(6, 12, 0),
+ AD799X_CHANNEL(7, 12, 0),
+ IIO_CHAN_SOFT_TIMESTAMP(8),
},
.num_channels = 9,
.default_config = AD7998_ALERT_EN,
--
1.8.0
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