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-rw-r--r--drivers/staging/iio/Kconfig1
-rw-r--r--drivers/staging/iio/Makefile1
-rw-r--r--drivers/staging/iio/accel/adis16203.c6
-rw-r--r--drivers/staging/iio/accel/adis16240.c11
-rw-r--r--drivers/staging/iio/adc/ad7606.h2
-rw-r--r--drivers/staging/iio/gyro/Kconfig16
-rw-r--r--drivers/staging/iio/gyro/Makefile6
-rw-r--r--drivers/staging/iio/gyro/adis16060_core.c234
-rw-r--r--drivers/staging/iio/impedance-analyzer/ad5933.c57
9 files changed, 23 insertions, 311 deletions
diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index aee2335a25a1..e86ac9e47867 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -9,7 +9,6 @@ source "drivers/staging/iio/adc/Kconfig"
source "drivers/staging/iio/addac/Kconfig"
source "drivers/staging/iio/cdc/Kconfig"
source "drivers/staging/iio/frequency/Kconfig"
-source "drivers/staging/iio/gyro/Kconfig"
source "drivers/staging/iio/impedance-analyzer/Kconfig"
source "drivers/staging/iio/meter/Kconfig"
source "drivers/staging/iio/resolver/Kconfig"
diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile
index c28d657497de..b15904b99581 100644
--- a/drivers/staging/iio/Makefile
+++ b/drivers/staging/iio/Makefile
@@ -8,7 +8,6 @@ obj-y += adc/
obj-y += addac/
obj-y += cdc/
obj-y += frequency/
-obj-y += gyro/
obj-y += impedance-analyzer/
obj-y += meter/
obj-y += resolver/
diff --git a/drivers/staging/iio/accel/adis16203.c b/drivers/staging/iio/accel/adis16203.c
index b3e4571340ab..5cc96c8086b5 100644
--- a/drivers/staging/iio/accel/adis16203.c
+++ b/drivers/staging/iio/accel/adis16203.c
@@ -168,7 +168,6 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
{
struct adis *st = iio_priv(indio_dev);
int ret;
- int bits;
u8 addr;
s16 val16;
@@ -202,14 +201,11 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
*val = 25000 / -470 - 1278; /* 25 C = 1278 */
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS:
- bits = 14;
addr = adis16203_addresses[chan->scan_index];
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
+ *val = sign_extend32(val16, 13);
return IIO_VAL_INT;
default:
return -EINVAL;
diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c
index fff6d99089cc..24e525f1ef25 100644
--- a/drivers/staging/iio/accel/adis16240.c
+++ b/drivers/staging/iio/accel/adis16240.c
@@ -250,7 +250,6 @@ static int adis16240_read_raw(struct iio_dev *indio_dev,
{
struct adis *st = iio_priv(indio_dev);
int ret;
- int bits;
u8 addr;
s16 val16;
@@ -287,24 +286,18 @@ static int adis16240_read_raw(struct iio_dev *indio_dev,
*val = 25000 / 244 - 0x133; /* 25 C = 0x133 */
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS:
- bits = 10;
addr = adis16240_addresses[chan->scan_index][0];
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
+ *val = sign_extend32(val16, 9);
return IIO_VAL_INT;
case IIO_CHAN_INFO_PEAK:
- bits = 10;
addr = adis16240_addresses[chan->scan_index][1];
ret = adis_read_reg_16(st, addr, &val16);
if (ret)
return ret;
- val16 &= (1 << bits) - 1;
- val16 = (s16)(val16 << (16 - bits)) >> (16 - bits);
- *val = val16;
+ *val = sign_extend32(val16, 9);
return IIO_VAL_INT;
}
return -EINVAL;
diff --git a/drivers/staging/iio/adc/ad7606.h b/drivers/staging/iio/adc/ad7606.h
index acaed8d5379c..9716ee9d94a7 100644
--- a/drivers/staging/iio/adc/ad7606.h
+++ b/drivers/staging/iio/adc/ad7606.h
@@ -57,7 +57,7 @@ struct ad7606_state {
struct ad7606_bus_ops {
/* more methods added in future? */
- int (*read_block)(struct device *, int, void *);
+ int (*read_block)(struct device *dev, int num, void *data);
};
int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
diff --git a/drivers/staging/iio/gyro/Kconfig b/drivers/staging/iio/gyro/Kconfig
deleted file mode 100644
index f62f68fd6f3f..000000000000
--- a/drivers/staging/iio/gyro/Kconfig
+++ /dev/null
@@ -1,16 +0,0 @@
-#
-# IIO Digital Gyroscope Sensor drivers configuration
-#
-menu "Digital gyroscope sensors"
-
-config ADIS16060
- tristate "Analog Devices ADIS16060 Yaw Rate Gyroscope with SPI driver"
- depends on SPI
- help
- Say Y (yes) here to build support for Analog Devices adis16060 wide bandwidth
- yaw rate gyroscope with SPI.
-
- To compile this driver as a module, say M here: the module will be
- called adis16060. If unsure, say N.
-
-endmenu
diff --git a/drivers/staging/iio/gyro/Makefile b/drivers/staging/iio/gyro/Makefile
deleted file mode 100644
index cf22d6d55e27..000000000000
--- a/drivers/staging/iio/gyro/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for digital gyroscope sensor drivers
-#
-
-adis16060-y := adis16060_core.o
-obj-$(CONFIG_ADIS16060) += adis16060.o
diff --git a/drivers/staging/iio/gyro/adis16060_core.c b/drivers/staging/iio/gyro/adis16060_core.c
deleted file mode 100644
index 4e7630caf7d3..000000000000
--- a/drivers/staging/iio/gyro/adis16060_core.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * ADIS16060 Wide Bandwidth Yaw Rate Gyroscope with SPI driver
- *
- * Copyright 2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/mutex.h>
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
-
-#define ADIS16060_GYRO 0x20 /* Measure Angular Rate (Gyro) */
-#define ADIS16060_TEMP_OUT 0x10 /* Measure Temperature */
-#define ADIS16060_AIN2 0x80 /* Measure AIN2 */
-#define ADIS16060_AIN1 0x40 /* Measure AIN1 */
-
-/**
- * struct adis16060_state - device instance specific data
- * @us_w: actual spi_device to write config
- * @us_r: actual spi_device to read back data
- * @buf: transmit or receive buffer
- * @buf_lock: mutex to protect tx and rx
- **/
-struct adis16060_state {
- struct spi_device *us_w;
- struct spi_device *us_r;
- struct mutex buf_lock;
-
- u8 buf[3] ____cacheline_aligned;
-};
-
-static struct iio_dev *adis16060_iio_dev;
-
-static int adis16060_spi_write_then_read(struct iio_dev *indio_dev,
- u8 conf, u16 *val)
-{
- int ret;
- struct adis16060_state *st = iio_priv(indio_dev);
-
- mutex_lock(&st->buf_lock);
- st->buf[2] = conf; /* The last 8 bits clocked in are latched */
- ret = spi_write(st->us_w, st->buf, 3);
-
- if (ret < 0) {
- mutex_unlock(&st->buf_lock);
- return ret;
- }
-
- ret = spi_read(st->us_r, st->buf, 3);
-
- /* The internal successive approximation ADC begins the
- * conversion process on the falling edge of MSEL1 and
- * starts to place data MSB first on the DOUT line at
- * the 6th falling edge of SCLK
- */
- if (!ret)
- *val = ((st->buf[0] & 0x3) << 12) |
- (st->buf[1] << 4) |
- ((st->buf[2] >> 4) & 0xF);
- mutex_unlock(&st->buf_lock);
-
- return ret;
-}
-
-static int adis16060_read_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- int *val, int *val2,
- long mask)
-{
- u16 tval = 0;
- int ret;
-
- switch (mask) {
- case IIO_CHAN_INFO_RAW:
- ret = adis16060_spi_write_then_read(indio_dev,
- chan->address, &tval);
- if (ret < 0)
- return ret;
-
- *val = tval;
- return IIO_VAL_INT;
- case IIO_CHAN_INFO_OFFSET:
- *val = -7;
- *val2 = 461117;
- return IIO_VAL_INT_PLUS_MICRO;
- case IIO_CHAN_INFO_SCALE:
- *val = 0;
- *val2 = 34000;
- return IIO_VAL_INT_PLUS_MICRO;
- }
-
- return -EINVAL;
-}
-
-static const struct iio_info adis16060_info = {
- .read_raw = adis16060_read_raw,
-};
-
-static const struct iio_chan_spec adis16060_channels[] = {
- {
- .type = IIO_ANGL_VEL,
- .modified = 1,
- .channel2 = IIO_MOD_Z,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .address = ADIS16060_GYRO,
- }, {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .address = ADIS16060_AIN1,
- }, {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 1,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .address = ADIS16060_AIN2,
- }, {
- .type = IIO_TEMP,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
- BIT(IIO_CHAN_INFO_OFFSET) | BIT(IIO_CHAN_INFO_SCALE),
- .address = ADIS16060_TEMP_OUT,
- }
-};
-
-static int adis16060_r_probe(struct spi_device *spi)
-{
- int ret;
- struct adis16060_state *st;
- struct iio_dev *indio_dev;
-
- /* setup the industrialio driver allocated elements */
- indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
- if (!indio_dev)
- return -ENOMEM;
- /* this is only used for removal purposes */
- spi_set_drvdata(spi, indio_dev);
- st = iio_priv(indio_dev);
- st->us_r = spi;
- mutex_init(&st->buf_lock);
-
- indio_dev->name = spi->dev.driver->name;
- indio_dev->dev.parent = &spi->dev;
- indio_dev->info = &adis16060_info;
- indio_dev->modes = INDIO_DIRECT_MODE;
- indio_dev->channels = adis16060_channels;
- indio_dev->num_channels = ARRAY_SIZE(adis16060_channels);
-
- ret = devm_iio_device_register(&spi->dev, indio_dev);
- if (ret)
- return ret;
-
- adis16060_iio_dev = indio_dev;
- return 0;
-}
-
-static int adis16060_w_probe(struct spi_device *spi)
-{
- int ret;
- struct iio_dev *indio_dev = adis16060_iio_dev;
- struct adis16060_state *st;
-
- if (!indio_dev) {
- ret = -ENODEV;
- goto error_ret;
- }
- st = iio_priv(indio_dev);
- spi_set_drvdata(spi, indio_dev);
- st->us_w = spi;
- return 0;
-
-error_ret:
- return ret;
-}
-
-static int adis16060_w_remove(struct spi_device *spi)
-{
- return 0;
-}
-
-static struct spi_driver adis16060_r_driver = {
- .driver = {
- .name = "adis16060_r",
- },
- .probe = adis16060_r_probe,
-};
-
-static struct spi_driver adis16060_w_driver = {
- .driver = {
- .name = "adis16060_w",
- },
- .probe = adis16060_w_probe,
- .remove = adis16060_w_remove,
-};
-
-static __init int adis16060_init(void)
-{
- int ret;
-
- ret = spi_register_driver(&adis16060_r_driver);
- if (ret < 0)
- return ret;
-
- ret = spi_register_driver(&adis16060_w_driver);
- if (ret < 0) {
- spi_unregister_driver(&adis16060_r_driver);
- return ret;
- }
-
- return 0;
-}
-module_init(adis16060_init);
-
-static __exit void adis16060_exit(void)
-{
- spi_unregister_driver(&adis16060_w_driver);
- spi_unregister_driver(&adis16060_r_driver);
-}
-module_exit(adis16060_exit);
-
-MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
-MODULE_DESCRIPTION("Analog Devices ADIS16060 Yaw Rate Gyroscope Driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 3bcf49466361..14df89510396 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -116,45 +116,26 @@ static struct ad5933_platform_data ad5933_default_pdata = {
.vref_mv = 3300,
};
+#define AD5933_CHANNEL(_type, _extend_name, _info_mask_separate, _address, \
+ _scan_index, _realbits) { \
+ .type = (_type), \
+ .extend_name = (_extend_name), \
+ .info_mask_separate = (_info_mask_separate), \
+ .address = (_address), \
+ .scan_index = (_scan_index), \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = (_realbits), \
+ .storagebits = 16, \
+ }, \
+}
+
static const struct iio_chan_spec ad5933_channels[] = {
- {
- .type = IIO_TEMP,
- .indexed = 1,
- .channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
- BIT(IIO_CHAN_INFO_SCALE),
- .address = AD5933_REG_TEMP_DATA,
- .scan_index = -1,
- .scan_type = {
- .sign = 's',
- .realbits = 14,
- .storagebits = 16,
- },
- }, { /* Ring Channels */
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .extend_name = "real",
- .address = AD5933_REG_REAL_DATA,
- .scan_index = 0,
- .scan_type = {
- .sign = 's',
- .realbits = 16,
- .storagebits = 16,
- },
- }, {
- .type = IIO_VOLTAGE,
- .indexed = 1,
- .channel = 0,
- .extend_name = "imag",
- .address = AD5933_REG_IMAG_DATA,
- .scan_index = 1,
- .scan_type = {
- .sign = 's',
- .realbits = 16,
- .storagebits = 16,
- },
- },
+ AD5933_CHANNEL(IIO_TEMP, NULL, BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE), AD5933_REG_TEMP_DATA, -1, 14),
+ /* Ring Channels */
+ AD5933_CHANNEL(IIO_VOLTAGE, "real", 0, AD5933_REG_REAL_DATA, 0, 16),
+ AD5933_CHANNEL(IIO_VOLTAGE, "imag", 0, AD5933_REG_IMAG_DATA, 1, 16),
};
static int ad5933_i2c_write(struct i2c_client *client, u8 reg, u8 len, u8 *data)
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-11 13:21:18 +0200