summaryrefslogtreecommitdiff
path: root/drivers/staging/iio/adc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/iio/adc')
-rw-r--r--drivers/staging/iio/adc/Kconfig7
-rw-r--r--drivers/staging/iio/adc/Makefile1
-rw-r--r--drivers/staging/iio/adc/ad7280a.c12
-rw-r--r--drivers/staging/iio/adc/ad7291.c10
-rw-r--r--drivers/staging/iio/adc/ad7606_core.c4
-rw-r--r--drivers/staging/iio/adc/ad799x.h7
-rw-r--r--drivers/staging/iio/adc/ad799x_core.c417
-rw-r--r--drivers/staging/iio/adc/ad799x_ring.c16
-rw-r--r--drivers/staging/iio/adc/adt7410.c1102
-rw-r--r--drivers/staging/iio/adc/lpc32xx_adc.c2
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c12
-rw-r--r--drivers/staging/iio/adc/spear_adc.c4
12 files changed, 101 insertions, 1493 deletions
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index 7b2a01d64f5e..d990829008ff 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -90,13 +90,6 @@ config AD7192
To compile this driver as a module, choose M here: the
module will be called ad7192.
-config ADT7410
- tristate "Analog Devices ADT7310/ADT7410 temperature sensor driver"
- depends on I2C || SPI_MASTER
- help
- Say yes here to build support for Analog Devices ADT7310/ADT7410
- temperature sensors.
-
config AD7280
tristate "Analog Devices AD7280A Lithium Ion Battery Monitoring System"
depends on SPI
diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile
index d285596272a0..3e9fb143d25b 100644
--- a/drivers/staging/iio/adc/Makefile
+++ b/drivers/staging/iio/adc/Makefile
@@ -16,7 +16,6 @@ obj-$(CONFIG_AD7291) += ad7291.o
obj-$(CONFIG_AD7780) += ad7780.o
obj-$(CONFIG_AD7816) += ad7816.o
obj-$(CONFIG_AD7192) += ad7192.o
-obj-$(CONFIG_ADT7410) += adt7410.o
obj-$(CONFIG_AD7280) += ad7280a.o
obj-$(CONFIG_LPC32XX_ADC) += lpc32xx_adc.o
obj-$(CONFIG_MXS_LRADC) += mxs-lradc.o
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 1f190c1b12a6..2fd6ee3c1902 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -503,9 +503,10 @@ static int ad7280_channel_init(struct ad7280_state *st)
st->channels[cnt].channel = (dev * 6) + ch - 6;
}
st->channels[cnt].indexed = 1;
- st->channels[cnt].info_mask =
- IIO_CHAN_INFO_RAW_SEPARATE_BIT |
- IIO_CHAN_INFO_SCALE_SHARED_BIT;
+ st->channels[cnt].info_mask_separate =
+ BIT(IIO_CHAN_INFO_RAW);
+ st->channels[cnt].info_mask_shared_by_type =
+ BIT(IIO_CHAN_INFO_SCALE);
st->channels[cnt].address =
AD7280A_DEVADDR(dev) << 8 | ch;
st->channels[cnt].scan_index = cnt;
@@ -521,9 +522,8 @@ static int ad7280_channel_init(struct ad7280_state *st)
st->channels[cnt].channel2 = dev * 6;
st->channels[cnt].address = AD7280A_ALL_CELLS;
st->channels[cnt].indexed = 1;
- st->channels[cnt].info_mask =
- IIO_CHAN_INFO_RAW_SEPARATE_BIT |
- IIO_CHAN_INFO_SCALE_SHARED_BIT;
+ st->channels[cnt].info_mask_separate = BIT(IIO_CHAN_INFO_RAW);
+ st->channels[cnt].info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE);
st->channels[cnt].scan_index = cnt;
st->channels[cnt].scan_type.sign = 'u';
st->channels[cnt].scan_type.realbits = 32;
diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index 6e58e36d242c..d088c662d5cd 100644
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -536,8 +536,8 @@ static int ad7291_read_raw(struct iio_dev *indio_dev,
#define AD7291_VOLTAGE_CHAN(_chan) \
{ \
.type = IIO_VOLTAGE, \
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
- IIO_CHAN_INFO_SCALE_SHARED_BIT, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.indexed = 1, \
.channel = _chan, \
.event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING)|\
@@ -555,9 +555,9 @@ static const struct iio_chan_spec ad7291_channels[] = {
AD7291_VOLTAGE_CHAN(7),
{
.type = IIO_TEMP,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
- IIO_CHAN_INFO_AVERAGE_RAW_SEPARATE_BIT |
- IIO_CHAN_INFO_SCALE_SEPARATE_BIT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_AVERAGE_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
.indexed = 1,
.channel = 0,
.event_mask =
diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c
index bae61cbe9212..d104b4378424 100644
--- a/drivers/staging/iio/adc/ad7606_core.c
+++ b/drivers/staging/iio/adc/ad7606_core.c
@@ -235,8 +235,8 @@ static const struct attribute_group ad7606_attribute_group_range = {
.indexed = 1, \
.channel = num, \
.address = num, \
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
- IIO_CHAN_INFO_SCALE_SHARED_BIT, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),\
.scan_index = num, \
.scan_type = IIO_ST('s', 16, 16, 0), \
}
diff --git a/drivers/staging/iio/adc/ad799x.h b/drivers/staging/iio/adc/ad799x.h
index 3e363c4ba211..b51680c1c331 100644
--- a/drivers/staging/iio/adc/ad799x.h
+++ b/drivers/staging/iio/adc/ad799x.h
@@ -87,7 +87,6 @@ struct ad799x_state;
* struct ad799x_chip_info - chip specifc information
* @channel: channel specification
* @num_channels: number of channels
- * @int_vref_mv: the internal reference voltage
* @monitor_mode: whether the chip supports monitor interrupts
* @default_config: device default configuration
* @event_attrs: pointer to the monitor event attribute group
@@ -96,7 +95,6 @@ struct ad799x_state;
struct ad799x_chip_info {
struct iio_chan_spec channel[9];
int num_channels;
- u16 int_vref_mv;
u16 default_config;
const struct iio_info *info;
};
@@ -104,12 +102,13 @@ struct ad799x_chip_info {
struct ad799x_state {
struct i2c_client *client;
const struct ad799x_chip_info *chip_info;
- struct iio_trigger *trig;
struct regulator *reg;
u16 int_vref_mv;
unsigned id;
- char *name;
u16 config;
+
+ u8 *rx_buf;
+ unsigned int transfer_size;
};
/*
diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c
index 077eedbd0a0c..8dc97b36e05a 100644
--- a/drivers/staging/iio/adc/ad799x_core.c
+++ b/drivers/staging/iio/adc/ad799x_core.c
@@ -48,13 +48,13 @@ static int ad799x_i2c_read16(struct ad799x_state *st, u8 reg, u16 *data)
struct i2c_client *client = st->client;
int ret = 0;
- ret = i2c_smbus_read_word_data(client, reg);
+ ret = i2c_smbus_read_word_swapped(client, reg);
if (ret < 0) {
dev_err(&client->dev, "I2C read error\n");
return ret;
}
- *data = swab16((u16)ret);
+ *data = (u16)ret;
return 0;
}
@@ -80,7 +80,7 @@ static int ad799x_i2c_write16(struct ad799x_state *st, u8 reg, u16 data)
struct i2c_client *client = st->client;
int ret = 0;
- ret = i2c_smbus_write_word_data(client, reg, swab16(data));
+ ret = i2c_smbus_write_word_swapped(client, reg, data);
if (ret < 0)
dev_err(&client->dev, "I2C write error\n");
@@ -104,6 +104,13 @@ static int ad7997_8_update_scan_mode(struct iio_dev *indio_dev,
{
struct ad799x_state *st = iio_priv(indio_dev);
+ kfree(st->rx_buf);
+ st->rx_buf = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
+ if (!st->rx_buf)
+ return -ENOMEM;
+
+ st->transfer_size = bitmap_weight(scan_mask, indio_dev->masklength) * 2;
+
switch (st->id) {
case ad7997:
case ad7998:
@@ -460,395 +467,114 @@ 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), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
+ .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 2,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 4096,
.info = &ad7991_info,
},
[ad7995] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 0,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 1,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 2,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 1024,
.info = &ad7991_info,
},
[ad7999] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 0,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [1] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 1,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 2,
- .scan_type = IIO_ST('u', 8, 16, 4),
- },
- [3] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 3,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 1024,
.info = &ad7991_info,
},
[ad7992] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 4096,
.default_config = AD7998_ALERT_EN,
.info = &ad7992_info,
},
[ad7993] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_type = IIO_ST('u', 10, 16, 2),
- .event_mask = AD799X_EV_MASK,
- },
- [2] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 2,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 1024,
.default_config = AD7998_ALERT_EN,
.info = &ad7993_4_7_8_info,
},
[ad7994] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 4096,
.default_config = AD7998_ALERT_EN,
.info = &ad7993_4_7_8_info,
},
[ad7997] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 4,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [5] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 5,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 5,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [6] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 6,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 6,
- .scan_type = IIO_ST('u', 10, 16, 2),
- },
- [7] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 7,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 1024,
.default_config = AD7998_ALERT_EN,
.info = &ad7993_4_7_8_info,
},
[ad7998] = {
.channel = {
- [0] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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 = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 4,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [5] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 5,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 5,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [6] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 6,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .scan_index = 6,
- .scan_type = IIO_ST('u', 12, 16, 0),
- },
- [7] = {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 7,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,
- .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,
- .int_vref_mv = 4096,
.default_config = AD7998_ALERT_EN,
.info = &ad7993_4_7_8_info,
},
@@ -875,10 +601,10 @@ static int ad799x_probe(struct i2c_client *client,
/* TODO: Add pdata options for filtering and bit delay */
- if (pdata)
- st->int_vref_mv = pdata->vref_mv;
- else
- st->int_vref_mv = st->chip_info->int_vref_mv;
+ if (!pdata)
+ return -EINVAL;
+
+ st->int_vref_mv = pdata->vref_mv;
st->reg = regulator_get(&client->dev, "vcc");
if (!IS_ERR(st->reg)) {
@@ -946,6 +672,7 @@ static int ad799x_remove(struct i2c_client *client)
regulator_disable(st->reg);
regulator_put(st->reg);
}
+ kfree(st->rx_buf);
iio_device_free(indio_dev);
return 0;
diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c
index 2c5f38475a8e..c2ebae12ee19 100644
--- a/drivers/staging/iio/adc/ad799x_ring.c
+++ b/drivers/staging/iio/adc/ad799x_ring.c
@@ -36,14 +36,9 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct ad799x_state *st = iio_priv(indio_dev);
s64 time_ns;
- __u8 *rxbuf;
int b_sent;
u8 cmd;
- rxbuf = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (rxbuf == NULL)
- goto out;
-
switch (st->id) {
case ad7991:
case ad7995:
@@ -66,20 +61,17 @@ static irqreturn_t ad799x_trigger_handler(int irq, void *p)
}
b_sent = i2c_smbus_read_i2c_block_data(st->client,
- cmd, bitmap_weight(indio_dev->active_scan_mask,
- indio_dev->masklength) * 2, rxbuf);
+ cmd, st->transfer_size, st->rx_buf);
if (b_sent < 0)
- goto done;
+ goto out;
time_ns = iio_get_time_ns();
if (indio_dev->scan_timestamp)
- memcpy(rxbuf + indio_dev->scan_bytes - sizeof(s64),
+ memcpy(st->rx_buf + indio_dev->scan_bytes - sizeof(s64),
&time_ns, sizeof(time_ns));
- iio_push_to_buffers(indio_dev, rxbuf);
-done:
- kfree(rxbuf);
+ iio_push_to_buffers(indio_dev, st->rx_buf);
out:
iio_trigger_notify_done(indio_dev->trig);
diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
deleted file mode 100644
index 35455e160945..000000000000
--- a/drivers/staging/iio/adc/adt7410.c
+++ /dev/null
@@ -1,1102 +0,0 @@
-/*
- * ADT7410 digital temperature sensor driver supporting ADT7310/ADT7410
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-#include <linux/list.h>
-#include <linux/i2c.h>
-#include <linux/spi/spi.h>
-#include <linux/module.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-#include <linux/iio/events.h>
-
-/*
- * ADT7410 registers definition
- */
-
-#define ADT7410_TEMPERATURE 0
-#define ADT7410_STATUS 2
-#define ADT7410_CONFIG 3
-#define ADT7410_T_ALARM_HIGH 4
-#define ADT7410_T_ALARM_LOW 6
-#define ADT7410_T_CRIT 8
-#define ADT7410_T_HYST 0xA
-#define ADT7410_ID 0xB
-#define ADT7410_RESET 0x2F
-
-/*
- * ADT7310 registers definition
- */
-
-#define ADT7310_STATUS 0
-#define ADT7310_CONFIG 1
-#define ADT7310_TEMPERATURE 2
-#define ADT7310_ID 3
-#define ADT7310_T_CRIT 4
-#define ADT7310_T_HYST 5
-#define ADT7310_T_ALARM_HIGH 6
-#define ADT7310_T_ALARM_LOW 7
-
-/*
- * ADT7410 status
- */
-#define ADT7410_STAT_T_LOW 0x10
-#define ADT7410_STAT_T_HIGH 0x20
-#define ADT7410_STAT_T_CRIT 0x40
-#define ADT7410_STAT_NOT_RDY 0x80
-
-/*
- * ADT7410 config
- */
-#define ADT7410_FAULT_QUEUE_MASK 0x3
-#define ADT7410_CT_POLARITY 0x4
-#define ADT7410_INT_POLARITY 0x8
-#define ADT7410_EVENT_MODE 0x10
-#define ADT7410_MODE_MASK 0x60
-#define ADT7410_ONESHOT 0x20
-#define ADT7410_SPS 0x40
-#define ADT7410_PD 0x60
-#define ADT7410_RESOLUTION 0x80
-
-/*
- * ADT7410 masks
- */
-#define ADT7410_T16_VALUE_SIGN 0x8000
-#define ADT7410_T16_VALUE_FLOAT_OFFSET 7
-#define ADT7410_T16_VALUE_FLOAT_MASK 0x7F
-#define ADT7410_T13_VALUE_SIGN 0x1000
-#define ADT7410_T13_VALUE_OFFSET 3
-#define ADT7410_T13_VALUE_FLOAT_OFFSET 4
-#define ADT7410_T13_VALUE_FLOAT_MASK 0xF
-#define ADT7410_T_HYST_MASK 0xF
-#define ADT7410_DEVICE_ID_MASK 0xF
-#define ADT7410_MANUFACTORY_ID_MASK 0xF0
-#define ADT7410_MANUFACTORY_ID_OFFSET 4
-
-
-#define ADT7310_CMD_REG_MASK 0x28
-#define ADT7310_CMD_REG_OFFSET 3
-#define ADT7310_CMD_READ 0x40
-#define ADT7310_CMD_CON_READ 0x4
-
-#define ADT7410_IRQS 2
-
-/*
- * struct adt7410_chip_info - chip specifc information
- */
-
-struct adt7410_chip_info;
-
-struct adt7410_ops {
- int (*read_word)(struct adt7410_chip_info *, u8 reg, u16 *data);
- int (*write_word)(struct adt7410_chip_info *, u8 reg, u16 data);
- int (*read_byte)(struct adt7410_chip_info *, u8 reg, u8 *data);
- int (*write_byte)(struct adt7410_chip_info *, u8 reg, u8 data);
-};
-
-struct adt7410_chip_info {
- struct device *dev;
- u8 config;
-
- const struct adt7410_ops *ops;
-};
-
-static int adt7410_read_word(struct adt7410_chip_info *chip, u8 reg, u16 *data)
-{
- return chip->ops->read_word(chip, reg, data);
-}
-
-static int adt7410_write_word(struct adt7410_chip_info *chip, u8 reg, u16 data)
-{
- return chip->ops->write_word(chip, reg, data);
-}
-
-static int adt7410_read_byte(struct adt7410_chip_info *chip, u8 reg, u8 *data)
-{
- return chip->ops->read_byte(chip, reg, data);
-}
-
-static int adt7410_write_byte(struct adt7410_chip_info *chip, u8 reg, u8 data)
-{
- return chip->ops->write_byte(chip, reg, data);
-}
-
-static ssize_t adt7410_show_mode(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- u8 config;
-
- config = chip->config & ADT7410_MODE_MASK;
-
- switch (config) {
- case ADT7410_PD:
- return sprintf(buf, "power-down\n");
- case ADT7410_ONESHOT:
- return sprintf(buf, "one-shot\n");
- case ADT7410_SPS:
- return sprintf(buf, "sps\n");
- default:
- return sprintf(buf, "full\n");
- }
-}
-
-static ssize_t adt7410_store_mode(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- u16 config;
- int ret;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- config = chip->config & (~ADT7410_MODE_MASK);
- if (strcmp(buf, "power-down"))
- config |= ADT7410_PD;
- else if (strcmp(buf, "one-shot"))
- config |= ADT7410_ONESHOT;
- else if (strcmp(buf, "sps"))
- config |= ADT7410_SPS;
-
- ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
- if (ret)
- return -EIO;
-
- chip->config = config;
-
- return len;
-}
-
-static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
- adt7410_show_mode,
- adt7410_store_mode,
- 0);
-
-static ssize_t adt7410_show_available_modes(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "full\none-shot\nsps\npower-down\n");
-}
-
-static IIO_DEVICE_ATTR(available_modes, S_IRUGO, adt7410_show_available_modes, NULL, 0);
-
-static ssize_t adt7410_show_resolution(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- int ret;
- int bits;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- if (chip->config & ADT7410_RESOLUTION)
- bits = 16;
- else
- bits = 13;
-
- return sprintf(buf, "%d bits\n", bits);
-}
-
-static ssize_t adt7410_store_resolution(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- unsigned long data;
- u16 config;
- int ret;
-
- ret = strict_strtoul(buf, 10, &data);
- if (ret)
- return -EINVAL;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- config = chip->config & (~ADT7410_RESOLUTION);
- if (data)
- config |= ADT7410_RESOLUTION;
-
- ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
- if (ret)
- return -EIO;
-
- chip->config = config;
-
- return len;
-}
-
-static IIO_DEVICE_ATTR(resolution, S_IRUGO | S_IWUSR,
- adt7410_show_resolution,
- adt7410_store_resolution,
- 0);
-
-static ssize_t adt7410_show_id(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- u8 id;
- int ret;
-
- ret = adt7410_read_byte(chip, ADT7410_ID, &id);
- if (ret)
- return -EIO;
-
- return sprintf(buf, "device id: 0x%x\nmanufactory id: 0x%x\n",
- id & ADT7410_DEVICE_ID_MASK,
- (id & ADT7410_MANUFACTORY_ID_MASK) >> ADT7410_MANUFACTORY_ID_OFFSET);
-}
-
-static IIO_DEVICE_ATTR(id, S_IRUGO | S_IWUSR,
- adt7410_show_id,
- NULL,
- 0);
-
-static ssize_t adt7410_convert_temperature(struct adt7410_chip_info *chip,
- u16 data, char *buf)
-{
- char sign = ' ';
-
- if (!(chip->config & ADT7410_RESOLUTION))
- data &= ~0x7;
-
- if (data & ADT7410_T16_VALUE_SIGN) {
- /* convert supplement to positive value */
- data = (u16)((ADT7410_T16_VALUE_SIGN << 1) - (u32)data);
- sign = '-';
- }
- return sprintf(buf, "%c%d.%.7d\n", sign,
- (data >> ADT7410_T16_VALUE_FLOAT_OFFSET),
- (data & ADT7410_T16_VALUE_FLOAT_MASK) * 78125);
-}
-
-static ssize_t adt7410_show_value(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- u8 status;
- u16 data;
- int ret, i = 0;
-
- do {
- ret = adt7410_read_byte(chip, ADT7410_STATUS, &status);
- if (ret)
- return -EIO;
- i++;
- if (i == 10000)
- return -EIO;
- } while (status & ADT7410_STAT_NOT_RDY);
-
- ret = adt7410_read_word(chip, ADT7410_TEMPERATURE, &data);
- if (ret)
- return -EIO;
-
- return adt7410_convert_temperature(chip, data, buf);
-}
-
-static IIO_DEVICE_ATTR(value, S_IRUGO, adt7410_show_value, NULL, 0);
-
-static struct attribute *adt7410_attributes[] = {
- &iio_dev_attr_available_modes.dev_attr.attr,
- &iio_dev_attr_mode.dev_attr.attr,
- &iio_dev_attr_resolution.dev_attr.attr,
- &iio_dev_attr_id.dev_attr.attr,
- &iio_dev_attr_value.dev_attr.attr,
- NULL,
-};
-
-static const struct attribute_group adt7410_attribute_group = {
- .attrs = adt7410_attributes,
-};
-
-static irqreturn_t adt7410_event_handler(int irq, void *private)
-{
- struct iio_dev *indio_dev = private;
- struct adt7410_chip_info *chip = iio_priv(indio_dev);
- s64 timestamp = iio_get_time_ns();
- u8 status;
-
- if (adt7410_read_byte(chip, ADT7410_STATUS, &status))
- return IRQ_HANDLED;
-
- if (status & ADT7410_STAT_T_HIGH)
- iio_push_event(indio_dev,
- IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
- IIO_EV_TYPE_THRESH,
- IIO_EV_DIR_RISING),
- timestamp);
- if (status & ADT7410_STAT_T_LOW)
- iio_push_event(indio_dev,
- IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
- IIO_EV_TYPE_THRESH,
- IIO_EV_DIR_FALLING),
- timestamp);
- if (status & ADT7410_STAT_T_CRIT)
- iio_push_event(indio_dev,
- IIO_UNMOD_EVENT_CODE(IIO_TEMP, 0,
- IIO_EV_TYPE_THRESH,
- IIO_EV_DIR_RISING),
- timestamp);
-
- return IRQ_HANDLED;
-}
-
-static ssize_t adt7410_show_event_mode(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- int ret;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- if (chip->config & ADT7410_EVENT_MODE)
- return sprintf(buf, "interrupt\n");
- else
- return sprintf(buf, "comparator\n");
-}
-
-static ssize_t adt7410_set_event_mode(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- u16 config;
- int ret;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- config = chip->config &= ~ADT7410_EVENT_MODE;
- if (strcmp(buf, "comparator") != 0)
- config |= ADT7410_EVENT_MODE;
-
- ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
- if (ret)
- return -EIO;
-
- chip->config = config;
-
- return ret;
-}
-
-static ssize_t adt7410_show_available_event_modes(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sprintf(buf, "comparator\ninterrupt\n");
-}
-
-static ssize_t adt7410_show_fault_queue(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- int ret;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- return sprintf(buf, "%d\n", chip->config & ADT7410_FAULT_QUEUE_MASK);
-}
-
-static ssize_t adt7410_set_fault_queue(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- unsigned long data;
- int ret;
- u8 config;
-
- ret = strict_strtoul(buf, 10, &data);
- if (ret || data > 3)
- return -EINVAL;
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret)
- return -EIO;
-
- config = chip->config & ~ADT7410_FAULT_QUEUE_MASK;
- config |= data;
- ret = adt7410_write_byte(chip, ADT7410_CONFIG, config);
- if (ret)
- return -EIO;
-
- chip->config = config;
-
- return ret;
-}
-
-static inline ssize_t adt7410_show_t_bound(struct device *dev,
- struct device_attribute *attr,
- u8 bound_reg,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- u16 data;
- int ret;
-
- ret = adt7410_read_word(chip, bound_reg, &data);
- if (ret)
- return -EIO;
-
- return adt7410_convert_temperature(chip, data, buf);
-}
-
-static inline ssize_t adt7410_set_t_bound(struct device *dev,
- struct device_attribute *attr,
- u8 bound_reg,
- const char *buf,
- size_t len)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- long tmp1, tmp2;
- u16 data;
- char *pos;
- int ret;
-
- pos = strchr(buf, '.');
-
- ret = strict_strtol(buf, 10, &tmp1);
-
- if (ret || tmp1 > 127 || tmp1 < -128)
- return -EINVAL;
-
- if (pos) {
- len = strlen(pos);
-
- if (chip->config & ADT7410_RESOLUTION) {
- if (len > ADT7410_T16_VALUE_FLOAT_OFFSET)
- len = ADT7410_T16_VALUE_FLOAT_OFFSET;
- pos[len] = 0;
- ret = strict_strtol(pos, 10, &tmp2);
-
- if (!ret)
- tmp2 = (tmp2 / 78125) * 78125;
- } else {
- if (len > ADT7410_T13_VALUE_FLOAT_OFFSET)
- len = ADT7410_T13_VALUE_FLOAT_OFFSET;
- pos[len] = 0;
- ret = strict_strtol(pos, 10, &tmp2);
-
- if (!ret)
- tmp2 = (tmp2 / 625) * 625;
- }
- }
-
- if (tmp1 < 0)
- data = (u16)(-tmp1);
- else
- data = (u16)tmp1;
-
- if (chip->config & ADT7410_RESOLUTION) {
- data = (data << ADT7410_T16_VALUE_FLOAT_OFFSET) |
- (tmp2 & ADT7410_T16_VALUE_FLOAT_MASK);
-
- if (tmp1 < 0)
- /* convert positive value to supplyment */
- data = (u16)((ADT7410_T16_VALUE_SIGN << 1) - (u32)data);
- } else {
- data = (data << ADT7410_T13_VALUE_FLOAT_OFFSET) |
- (tmp2 & ADT7410_T13_VALUE_FLOAT_MASK);
-
- if (tmp1 < 0)
- /* convert positive value to supplyment */
- data = (ADT7410_T13_VALUE_SIGN << 1) - data;
- data <<= ADT7410_T13_VALUE_OFFSET;
- }
-
- ret = adt7410_write_word(chip, bound_reg, data);
- if (ret)
- return -EIO;
-
- return ret;
-}
-
-static ssize_t adt7410_show_t_alarm_high(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return adt7410_show_t_bound(dev, attr,
- ADT7410_T_ALARM_HIGH, buf);
-}
-
-static inline ssize_t adt7410_set_t_alarm_high(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- return adt7410_set_t_bound(dev, attr,
- ADT7410_T_ALARM_HIGH, buf, len);
-}
-
-static ssize_t adt7410_show_t_alarm_low(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return adt7410_show_t_bound(dev, attr,
- ADT7410_T_ALARM_LOW, buf);
-}
-
-static inline ssize_t adt7410_set_t_alarm_low(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- return adt7410_set_t_bound(dev, attr,
- ADT7410_T_ALARM_LOW, buf, len);
-}
-
-static ssize_t adt7410_show_t_crit(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return adt7410_show_t_bound(dev, attr,
- ADT7410_T_CRIT, buf);
-}
-
-static inline ssize_t adt7410_set_t_crit(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- return adt7410_set_t_bound(dev, attr,
- ADT7410_T_CRIT, buf, len);
-}
-
-static ssize_t adt7410_show_t_hyst(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- int ret;
- u8 t_hyst;
-
- ret = adt7410_read_byte(chip, ADT7410_T_HYST, &t_hyst);
- if (ret)
- return -EIO;
-
- return sprintf(buf, "%d\n", t_hyst & ADT7410_T_HYST_MASK);
-}
-
-static inline ssize_t adt7410_set_t_hyst(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t len)
-{
- struct iio_dev *dev_info = dev_to_iio_dev(dev);
- struct adt7410_chip_info *chip = iio_priv(dev_info);
- int ret;
- unsigned long data;
- u8 t_hyst;
-
- ret = strict_strtol(buf, 10, &data);
-
- if (ret || data > ADT7410_T_HYST_MASK)
- return -EINVAL;
-
- t_hyst = (u8)data;
-
- ret = adt7410_write_byte(chip, ADT7410_T_HYST, t_hyst);
- if (ret)
- return -EIO;
-
- return ret;
-}
-
-static IIO_DEVICE_ATTR(event_mode,
- S_IRUGO | S_IWUSR,
- adt7410_show_event_mode, adt7410_set_event_mode, 0);
-static IIO_DEVICE_ATTR(available_event_modes,
- S_IRUGO,
- adt7410_show_available_event_modes, NULL, 0);
-static IIO_DEVICE_ATTR(fault_queue,
- S_IRUGO | S_IWUSR,
- adt7410_show_fault_queue, adt7410_set_fault_queue, 0);
-static IIO_DEVICE_ATTR(t_alarm_high,
- S_IRUGO | S_IWUSR,
- adt7410_show_t_alarm_high, adt7410_set_t_alarm_high, 0);
-static IIO_DEVICE_ATTR(t_alarm_low,
- S_IRUGO | S_IWUSR,
- adt7410_show_t_alarm_low, adt7410_set_t_alarm_low, 0);
-static IIO_DEVICE_ATTR(t_crit,
- S_IRUGO | S_IWUSR,
- adt7410_show_t_crit, adt7410_set_t_crit, 0);
-static IIO_DEVICE_ATTR(t_hyst,
- S_IRUGO | S_IWUSR,
- adt7410_show_t_hyst, adt7410_set_t_hyst, 0);
-
-static struct attribute *adt7410_event_int_attributes[] = {
- &iio_dev_attr_event_mode.dev_attr.attr,
- &iio_dev_attr_available_event_modes.dev_attr.attr,
- &iio_dev_attr_fault_queue.dev_attr.attr,
- &iio_dev_attr_t_alarm_high.dev_attr.attr,
- &iio_dev_attr_t_alarm_low.dev_attr.attr,
- &iio_dev_attr_t_crit.dev_attr.attr,
- &iio_dev_attr_t_hyst.dev_attr.attr,
- NULL,
-};
-
-static struct attribute_group adt7410_event_attribute_group = {
- .attrs = adt7410_event_int_attributes,
- .name = "events",
-};
-
-static const struct iio_info adt7410_info = {
- .attrs = &adt7410_attribute_group,
- .event_attrs = &adt7410_event_attribute_group,
- .driver_module = THIS_MODULE,
-};
-
-/*
- * device probe and remove
- */
-
-static int adt7410_probe(struct device *dev, int irq,
- const char *name, const struct adt7410_ops *ops)
-{
- unsigned long *adt7410_platform_data = dev->platform_data;
- unsigned long local_pdata[] = {0, 0};
- struct adt7410_chip_info *chip;
- struct iio_dev *indio_dev;
- int ret = 0;
-
- indio_dev = iio_device_alloc(sizeof(*chip));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
- chip = iio_priv(indio_dev);
- /* this is only used for device removal purposes */
- dev_set_drvdata(dev, indio_dev);
-
- chip->dev = dev;
- chip->ops = ops;
-
- indio_dev->name = name;
- indio_dev->dev.parent = dev;
- indio_dev->info = &adt7410_info;
- indio_dev->modes = INDIO_DIRECT_MODE;
-
- if (!adt7410_platform_data)
- adt7410_platform_data = local_pdata;
-
- /* CT critcal temperature event. line 0 */
- if (irq) {
- ret = request_threaded_irq(irq,
- NULL,
- &adt7410_event_handler,
- IRQF_TRIGGER_LOW | IRQF_ONESHOT,
- name,
- indio_dev);
- if (ret)
- goto error_free_dev;
- }
-
- /* INT bound temperature alarm event. line 1 */
- if (adt7410_platform_data[0]) {
- ret = request_threaded_irq(adt7410_platform_data[0],
- NULL,
- &adt7410_event_handler,
- adt7410_platform_data[1] |
- IRQF_ONESHOT,
- name,
- indio_dev);
- if (ret)
- goto error_unreg_ct_irq;
- }
-
- ret = adt7410_read_byte(chip, ADT7410_CONFIG, &chip->config);
- if (ret) {
- ret = -EIO;
- goto error_unreg_int_irq;
- }
-
- chip->config |= ADT7410_RESOLUTION;
-
- if (irq && adt7410_platform_data[0]) {
-
- /* set irq polarity low level */
- chip->config &= ~ADT7410_CT_POLARITY;
-
- if (adt7410_platform_data[1] & IRQF_TRIGGER_HIGH)
- chip->config |= ADT7410_INT_POLARITY;
- else
- chip->config &= ~ADT7410_INT_POLARITY;
- }
-
- ret = adt7410_write_byte(chip, ADT7410_CONFIG, chip->config);
- if (ret) {
- ret = -EIO;
- goto error_unreg_int_irq;
- }
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_unreg_int_irq;
-
- dev_info(dev, "%s temperature sensor registered.\n",
- name);
-
- return 0;
-
-error_unreg_int_irq:
- free_irq(adt7410_platform_data[0], indio_dev);
-error_unreg_ct_irq:
- free_irq(irq, indio_dev);
-error_free_dev:
- iio_device_free(indio_dev);
-error_ret:
- return ret;
-}
-
-static int adt7410_remove(struct device *dev, int irq)
-{
- struct iio_dev *indio_dev = dev_get_drvdata(dev);
- unsigned long *adt7410_platform_data = dev->platform_data;
-
- iio_device_unregister(indio_dev);
- if (adt7410_platform_data[0])
- free_irq(adt7410_platform_data[0], indio_dev);
- if (irq)
- free_irq(irq, indio_dev);
- iio_device_free(indio_dev);
-
- return 0;
-}
-
-#if IS_ENABLED(CONFIG_I2C)
-
-static int adt7410_i2c_read_word(struct adt7410_chip_info *chip, u8 reg,
- u16 *data)
-{
- struct i2c_client *client = to_i2c_client(chip->dev);
- int ret = 0;
-
- ret = i2c_smbus_read_word_data(client, reg);
- if (ret < 0) {
- dev_err(&client->dev, "I2C read error\n");
- return ret;
- }
-
- *data = swab16((u16)ret);
-
- return 0;
-}
-
-static int adt7410_i2c_write_word(struct adt7410_chip_info *chip, u8 reg,
- u16 data)
-{
- struct i2c_client *client = to_i2c_client(chip->dev);
- int ret = 0;
-
- ret = i2c_smbus_write_word_data(client, reg, swab16(data));
- if (ret < 0)
- dev_err(&client->dev, "I2C write error\n");
-
- return ret;
-}
-
-static int adt7410_i2c_read_byte(struct adt7410_chip_info *chip, u8 reg,
- u8 *data)
-{
- struct i2c_client *client = to_i2c_client(chip->dev);
- int ret = 0;
-
- ret = i2c_smbus_read_byte_data(client, reg);
- if (ret < 0) {
- dev_err(&client->dev, "I2C read error\n");
- return ret;
- }
-
- *data = (u8)ret;
-
- return 0;
-}
-
-static int adt7410_i2c_write_byte(struct adt7410_chip_info *chip, u8 reg,
- u8 data)
-{
- struct i2c_client *client = to_i2c_client(chip->dev);
- int ret = 0;
-
- ret = i2c_smbus_write_byte_data(client, reg, data);
- if (ret < 0)
- dev_err(&client->dev, "I2C write error\n");
-
- return ret;
-}
-
-static const struct adt7410_ops adt7410_i2c_ops = {
- .read_word = adt7410_i2c_read_word,
- .write_word = adt7410_i2c_write_word,
- .read_byte = adt7410_i2c_read_byte,
- .write_byte = adt7410_i2c_write_byte,
-};
-
-static int adt7410_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- return adt7410_probe(&client->dev, client->irq, id->name,
- &adt7410_i2c_ops);
-}
-
-static int adt7410_i2c_remove(struct i2c_client *client)
-{
- return adt7410_remove(&client->dev, client->irq);
-}
-
-static const struct i2c_device_id adt7410_id[] = {
- { "adt7410", 0 },
- {}
-};
-
-MODULE_DEVICE_TABLE(i2c, adt7410_id);
-
-static struct i2c_driver adt7410_driver = {
- .driver = {
- .name = "adt7410",
- },
- .probe = adt7410_i2c_probe,
- .remove = adt7410_i2c_remove,
- .id_table = adt7410_id,
-};
-
-static int __init adt7410_i2c_init(void)
-{
- return i2c_add_driver(&adt7410_driver);
-}
-
-static void __exit adt7410_i2c_exit(void)
-{
- i2c_del_driver(&adt7410_driver);
-}
-
-#else
-
-static int __init adt7410_i2c_init(void) { return 0; };
-static void __exit adt7410_i2c_exit(void) {};
-
-#endif
-
-#if IS_ENABLED(CONFIG_SPI_MASTER)
-
-static const u8 adt7371_reg_table[] = {
- [ADT7410_TEMPERATURE] = ADT7310_TEMPERATURE,
- [ADT7410_STATUS] = ADT7310_STATUS,
- [ADT7410_CONFIG] = ADT7310_CONFIG,
- [ADT7410_T_ALARM_HIGH] = ADT7310_T_ALARM_HIGH,
- [ADT7410_T_ALARM_LOW] = ADT7310_T_ALARM_LOW,
- [ADT7410_T_CRIT] = ADT7310_T_CRIT,
- [ADT7410_T_HYST] = ADT7310_T_HYST,
- [ADT7410_ID] = ADT7310_ID,
-};
-
-#define AD7310_COMMAND(reg) (adt7371_reg_table[(reg)] << ADT7310_CMD_REG_OFFSET)
-
-static int adt7310_spi_read_word(struct adt7410_chip_info *chip,
- u8 reg, u16 *data)
-{
- struct spi_device *spi = to_spi_device(chip->dev);
- u8 command = AD7310_COMMAND(reg);
- int ret = 0;
-
- command |= ADT7310_CMD_READ;
- ret = spi_write(spi, &command, sizeof(command));
- if (ret < 0) {
- dev_err(&spi->dev, "SPI write command error\n");
- return ret;
- }
-
- ret = spi_read(spi, (u8 *)data, sizeof(*data));
- if (ret < 0) {
- dev_err(&spi->dev, "SPI read word error\n");
- return ret;
- }
-
- *data = be16_to_cpu(*data);
-
- return 0;
-}
-
-static int adt7310_spi_write_word(struct adt7410_chip_info *chip, u8 reg,
- u16 data)
-{
- struct spi_device *spi = to_spi_device(chip->dev);
- u8 buf[3];
- int ret = 0;
-
- buf[0] = AD7310_COMMAND(reg);
- buf[1] = (u8)(data >> 8);
- buf[2] = (u8)(data & 0xFF);
-
- ret = spi_write(spi, buf, 3);
- if (ret < 0) {
- dev_err(&spi->dev, "SPI write word error\n");
- return ret;
- }
-
- return ret;
-}
-
-static int adt7310_spi_read_byte(struct adt7410_chip_info *chip, u8 reg,
- u8 *data)
-{
- struct spi_device *spi = to_spi_device(chip->dev);
- u8 command = AD7310_COMMAND(reg);
- int ret = 0;
-
- command |= ADT7310_CMD_READ;
- ret = spi_write(spi, &command, sizeof(command));
- if (ret < 0) {
- dev_err(&spi->dev, "SPI write command error\n");
- return ret;
- }
-
- ret = spi_read(spi, data, sizeof(*data));
- if (ret < 0) {
- dev_err(&spi->dev, "SPI read byte error\n");
- return ret;
- }
-
- return 0;
-}
-
-static int adt7310_spi_write_byte(struct adt7410_chip_info *chip, u8 reg,
- u8 data)
-{
- struct spi_device *spi = to_spi_device(chip->dev);
- u8 buf[2];
- int ret = 0;
-
- buf[0] = AD7310_COMMAND(reg);
- buf[1] = data;
-
- ret = spi_write(spi, buf, 2);
- if (ret < 0) {
- dev_err(&spi->dev, "SPI write byte error\n");
- return ret;
- }
-
- return ret;
-}
-
-static const struct adt7410_ops adt7310_spi_ops = {
- .read_word = adt7310_spi_read_word,
- .write_word = adt7310_spi_write_word,
- .read_byte = adt7310_spi_read_byte,
- .write_byte = adt7310_spi_write_byte,
-};
-
-static int adt7310_spi_probe(struct spi_device *spi)
-{
- return adt7410_probe(&spi->dev, spi->irq,
- spi_get_device_id(spi)->name, &adt7310_spi_ops);
-}
-
-static int adt7310_spi_remove(struct spi_device *spi)
-{
- return adt7410_remove(&spi->dev, spi->irq);
-}
-
-static const struct spi_device_id adt7310_id[] = {
- { "adt7310", 0 },
- {}
-};
-MODULE_DEVICE_TABLE(spi, adt7310_id);
-
-static struct spi_driver adt7310_driver = {
- .driver = {
- .name = "adt7310",
- .owner = THIS_MODULE,
- },
- .probe = adt7310_spi_probe,
- .remove = adt7310_spi_remove,
- .id_table = adt7310_id,
-};
-
-static int __init adt7310_spi_init(void)
-{
- return spi_register_driver(&adt7310_driver);
-}
-
-static void adt7310_spi_exit(void)
-{
- spi_unregister_driver(&adt7310_driver);
-}
-
-#else
-
-static int __init adt7310_spi_init(void) { return 0; };
-static void adt7310_spi_exit(void) {};
-
-#endif
-
-static int __init adt7410_init(void)
-{
- int ret;
-
- ret = adt7310_spi_init();
- if (ret)
- return ret;
-
- ret = adt7410_i2c_init();
- if (ret)
- adt7310_spi_exit();
-
- return ret;
-}
-module_init(adt7410_init);
-
-static void __exit adt7410_exit(void)
-{
- adt7410_i2c_exit();
- adt7310_spi_exit();
-}
-module_exit(adt7410_exit);
-
-MODULE_AUTHOR("Sonic Zhang <sonic.zhang@analog.com>");
-MODULE_DESCRIPTION("Analog Devices ADT7310/ADT7410 digital temperature sensor driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c
index 0bf2a6cc79e0..2f2f7fdd0691 100644
--- a/drivers/staging/iio/adc/lpc32xx_adc.c
+++ b/drivers/staging/iio/adc/lpc32xx_adc.c
@@ -103,7 +103,7 @@ static const struct iio_info lpc32xx_adc_iio_info = {
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = _index, \
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.address = AD_IN * _index, \
.scan_index = _index, \
}
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 55a459b61907..6044e1717b20 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -646,7 +646,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p)
static int mxs_lradc_configure_trigger(struct iio_trigger *trig, bool state)
{
- struct iio_dev *iio = trig->private_data;
+ struct iio_dev *iio = iio_trigger_get_drvdata(trig);
struct mxs_lradc *lradc = iio_priv(iio);
const uint32_t st = state ? STMP_OFFSET_REG_SET : STMP_OFFSET_REG_CLR;
@@ -670,7 +670,7 @@ static int mxs_lradc_trigger_init(struct iio_dev *iio)
return -ENOMEM;
trig->dev.parent = iio->dev.parent;
- trig->private_data = iio;
+ iio_trigger_set_drvdata(trig, iio);
trig->ops = &mxs_lradc_trigger_ops;
ret = iio_trigger_register(trig);
@@ -822,7 +822,7 @@ static const struct iio_buffer_setup_ops mxs_lradc_buffer_ops = {
.type = (chan_type), \
.indexed = 1, \
.scan_index = (idx), \
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.channel = (idx), \
.scan_type = { \
.sign = 'u', \
@@ -983,6 +983,9 @@ static int mxs_lradc_probe(struct platform_device *pdev)
if (ret)
goto err_trig;
+ /* Configure the hardware. */
+ mxs_lradc_hw_init(lradc);
+
/* Register the touchscreen input device. */
ret = mxs_lradc_ts_register(lradc);
if (ret)
@@ -995,9 +998,6 @@ static int mxs_lradc_probe(struct platform_device *pdev)
goto err_ts;
}
- /* Configure the hardware. */
- mxs_lradc_hw_init(lradc);
-
return 0;
err_ts:
diff --git a/drivers/staging/iio/adc/spear_adc.c b/drivers/staging/iio/adc/spear_adc.c
index 13052ceb2f2b..f45da4266950 100644
--- a/drivers/staging/iio/adc/spear_adc.c
+++ b/drivers/staging/iio/adc/spear_adc.c
@@ -180,8 +180,8 @@ static int spear_read_raw(struct iio_dev *indio_dev,
#define SPEAR_ADC_CHAN(idx) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
- IIO_CHAN_INFO_SCALE_SHARED_BIT, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.channel = idx, \
.scan_type = { \
.sign = 'u', \
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-31 19:55:57 +0000