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staging:iio:ad799x: Add helper macro for channel initialization

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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@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-03-26 18:43:00 +00:00 committed by Jonathan Cameron
parent 34244ceccd
commit ae6d648940
1 changed files with 56 additions and 330 deletions
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386
drivers/staging/iio/adc/ad799x_core.c
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@ -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,