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-rw-r--r--include/linux/iio/buffer.h64
-rw-r--r--include/linux/iio/common/st_sensors.h10
-rw-r--r--include/linux/iio/consumer.h15
-rw-r--r--include/linux/iio/events.h18
-rw-r--r--include/linux/iio/iio.h214
-rw-r--r--include/linux/iio/sysfs.h15
-rw-r--r--include/linux/iio/types.h25
7 files changed, 229 insertions, 132 deletions
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h
index 2bac0eb8948..51939276339 100644
--- a/include/linux/iio/buffer.h
+++ b/include/linux/iio/buffer.h
@@ -11,6 +11,7 @@
#define _IIO_BUFFER_GENERIC_H_
#include <linux/sysfs.h>
#include <linux/iio/iio.h>
+#include <linux/kref.h>
#ifdef CONFIG_IIO_BUFFER
@@ -20,12 +21,16 @@ struct iio_buffer;
* struct iio_buffer_access_funcs - access functions for buffers.
* @store_to: actually store stuff to the buffer
* @read_first_n: try to get a specified number of bytes (must exist)
+ * @data_available: indicates whether data for reading from the buffer is
+ * available.
* @request_update: if a parameter change has been marked, update underlying
* storage.
* @get_bytes_per_datum:get current bytes per datum
* @set_bytes_per_datum:set number of bytes per datum
* @get_length: get number of datums in buffer
* @set_length: set number of datums in buffer
+ * @release: called when the last reference to the buffer is dropped,
+ * should free all resources allocated by the buffer.
*
* The purpose of this structure is to make the buffer element
* modular as event for a given driver, different usecases may require
@@ -36,10 +41,11 @@ struct iio_buffer;
* any of them not existing.
**/
struct iio_buffer_access_funcs {
- int (*store_to)(struct iio_buffer *buffer, u8 *data);
+ int (*store_to)(struct iio_buffer *buffer, const void *data);
int (*read_first_n)(struct iio_buffer *buffer,
size_t n,
char __user *buf);
+ bool (*data_available)(struct iio_buffer *buffer);
int (*request_update)(struct iio_buffer *buffer);
@@ -47,6 +53,8 @@ struct iio_buffer_access_funcs {
int (*set_bytes_per_datum)(struct iio_buffer *buffer, size_t bpd);
int (*get_length)(struct iio_buffer *buffer);
int (*set_length)(struct iio_buffer *buffer, int length);
+
+ void (*release)(struct iio_buffer *buffer);
};
/**
@@ -67,6 +75,7 @@ struct iio_buffer_access_funcs {
* @demux_list: [INTERN] list of operations required to demux the scan.
* @demux_bounce: [INTERN] buffer for doing gather from incoming scan.
* @buffer_list: [INTERN] entry in the devices list of current buffers.
+ * @ref: [INTERN] reference count of the buffer.
*/
struct iio_buffer {
int length;
@@ -81,8 +90,9 @@ struct iio_buffer {
bool stufftoread;
const struct attribute_group *attrs;
struct list_head demux_list;
- unsigned char *demux_bounce;
+ void *demux_bounce;
struct list_head buffer_list;
+ struct kref ref;
};
/**
@@ -120,7 +130,32 @@ int iio_scan_mask_set(struct iio_dev *indio_dev,
* @indio_dev: iio_dev structure for device.
* @data: Full scan.
*/
-int iio_push_to_buffers(struct iio_dev *indio_dev, unsigned char *data);
+int iio_push_to_buffers(struct iio_dev *indio_dev, const void *data);
+
+/*
+ * iio_push_to_buffers_with_timestamp() - push data and timestamp to buffers
+ * @indio_dev: iio_dev structure for device.
+ * @data: sample data
+ * @timestamp: timestamp for the sample data
+ *
+ * Pushes data to the IIO device's buffers. If timestamps are enabled for the
+ * device the function will store the supplied timestamp as the last element in
+ * the sample data buffer before pushing it to the device buffers. The sample
+ * data buffer needs to be large enough to hold the additional timestamp
+ * (usually the buffer should be indio->scan_bytes bytes large).
+ *
+ * Returns 0 on success, a negative error code otherwise.
+ */
+static inline int iio_push_to_buffers_with_timestamp(struct iio_dev *indio_dev,
+ void *data, int64_t timestamp)
+{
+ if (indio_dev->scan_timestamp) {
+ size_t ts_offset = indio_dev->scan_bytes / sizeof(int64_t) - 1;
+ ((int64_t *)data)[ts_offset] = timestamp;
+ }
+
+ return iio_push_to_buffers(indio_dev, data);
+}
int iio_update_demux(struct iio_dev *indio_dev);
@@ -174,11 +209,27 @@ ssize_t iio_buffer_show_enable(struct device *dev,
iio_buffer_show_enable, \
iio_buffer_store_enable)
-int iio_sw_buffer_preenable(struct iio_dev *indio_dev);
-
bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev,
const unsigned long *mask);
+struct iio_buffer *iio_buffer_get(struct iio_buffer *buffer);
+void iio_buffer_put(struct iio_buffer *buffer);
+
+/**
+ * iio_device_attach_buffer - Attach a buffer to a IIO device
+ * @indio_dev: The device the buffer should be attached to
+ * @buffer: The buffer to attach to the device
+ *
+ * This function attaches a buffer to a IIO device. The buffer stays attached to
+ * the device until the device is freed. The function should only be called at
+ * most once per device.
+ */
+static inline void iio_device_attach_buffer(struct iio_dev *indio_dev,
+ struct iio_buffer *buffer)
+{
+ indio_dev->buffer = iio_buffer_get(buffer);
+}
+
#else /* CONFIG_IIO_BUFFER */
static inline int iio_buffer_register(struct iio_dev *indio_dev,
@@ -191,6 +242,9 @@ static inline int iio_buffer_register(struct iio_dev *indio_dev,
static inline void iio_buffer_unregister(struct iio_dev *indio_dev)
{}
+static inline void iio_buffer_get(struct iio_buffer *buffer) {}
+static inline void iio_buffer_put(struct iio_buffer *buffer) {}
+
#endif /* CONFIG_IIO_BUFFER */
#endif /* _IIO_BUFFER_GENERIC_H_ */
diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h
index e51f65480ea..96f51f0e009 100644
--- a/include/linux/iio/common/st_sensors.h
+++ b/include/linux/iio/common/st_sensors.h
@@ -16,6 +16,7 @@
#include <linux/irqreturn.h>
#include <linux/iio/trigger.h>
#include <linux/bitops.h>
+#include <linux/regulator/consumer.h>
#include <linux/platform_data/st_sensors_pdata.h>
@@ -184,6 +185,7 @@ struct st_sensors {
u8 wai;
char sensors_supported[ST_SENSORS_MAX_4WAI][ST_SENSORS_MAX_NAME];
struct iio_chan_spec *ch;
+ int num_ch;
struct st_sensor_odr odr;
struct st_sensor_power pw;
struct st_sensor_axis enable_axis;
@@ -200,6 +202,8 @@ struct st_sensors {
* @trig: The trigger in use by the core driver.
* @sensor: Pointer to the current sensor struct in use.
* @current_fullscale: Maximum range of measure by the sensor.
+ * @vdd: Pointer to sensor's Vdd power supply
+ * @vdd_io: Pointer to sensor's Vdd-IO power supply
* @enabled: Status of the sensor (false->off, true->on).
* @multiread_bit: Use or not particular bit for [I2C/SPI] multiread.
* @buffer_data: Data used by buffer part.
@@ -215,6 +219,8 @@ struct st_sensor_data {
struct iio_trigger *trig;
struct st_sensors *sensor;
struct st_sensor_fullscale_avl *current_fullscale;
+ struct regulator *vdd;
+ struct regulator *vdd_io;
bool enabled;
bool multiread_bit;
@@ -263,6 +269,10 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable);
int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable);
+void st_sensors_power_enable(struct iio_dev *indio_dev);
+
+void st_sensors_power_disable(struct iio_dev *indio_dev);
+
int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr);
int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable);
diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h
index 833926c91aa..651f9a0e276 100644
--- a/include/linux/iio/consumer.h
+++ b/include/linux/iio/consumer.h
@@ -77,7 +77,7 @@ struct iio_cb_buffer;
* fail.
*/
struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
- int (*cb)(u8 *data,
+ int (*cb)(const void *data,
void *private),
void *private);
/**
@@ -123,6 +123,19 @@ int iio_read_channel_raw(struct iio_channel *chan,
int *val);
/**
+ * iio_read_channel_average_raw() - read from a given channel
+ * @chan: The channel being queried.
+ * @val: Value read back.
+ *
+ * Note raw reads from iio channels are in adc counts and hence
+ * scale will need to be applied if standard units required.
+ *
+ * In opposit to the normal iio_read_channel_raw this function
+ * returns the average of multiple reads.
+ */
+int iio_read_channel_average_raw(struct iio_channel *chan, int *val);
+
+/**
* iio_read_channel_processed() - read processed value from a given channel
* @chan: The channel being queried.
* @val: Value read back.
diff --git a/include/linux/iio/events.h b/include/linux/iio/events.h
index 13ce220c700..8bbd7bc1043 100644
--- a/include/linux/iio/events.h
+++ b/include/linux/iio/events.h
@@ -26,20 +26,6 @@ struct iio_event_data {
#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)
-enum iio_event_type {
- IIO_EV_TYPE_THRESH,
- IIO_EV_TYPE_MAG,
- IIO_EV_TYPE_ROC,
- IIO_EV_TYPE_THRESH_ADAPTIVE,
- IIO_EV_TYPE_MAG_ADAPTIVE,
-};
-
-enum iio_event_direction {
- IIO_EV_DIR_EITHER,
- IIO_EV_DIR_RISING,
- IIO_EV_DIR_FALLING,
-};
-
/**
* IIO_EVENT_CODE() - create event identifier
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
@@ -60,10 +46,6 @@ enum iio_event_direction {
((u16)chan))
-#define IIO_EV_DIR_MAX 4
-#define IIO_EV_BIT(type, direction) \
- (1 << (type*IIO_EV_DIR_MAX + direction))
-
/**
* IIO_MOD_EVENT_CODE() - create event identifier for modified channels
* @chan_type: Type of the channel. Should be one of enum iio_chan_type.
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 2103cc32a5f..ccde91725f9 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -36,6 +36,14 @@ enum iio_chan_info_enum {
IIO_CHAN_INFO_PHASE,
IIO_CHAN_INFO_HARDWAREGAIN,
IIO_CHAN_INFO_HYSTERESIS,
+ IIO_CHAN_INFO_INT_TIME,
+};
+
+enum iio_shared_by {
+ IIO_SEPARATE,
+ IIO_SHARED_BY_TYPE,
+ IIO_SHARED_BY_DIR,
+ IIO_SHARED_BY_ALL
};
enum iio_endian {
@@ -57,7 +65,7 @@ struct iio_dev;
*/
struct iio_chan_spec_ext_info {
const char *name;
- bool shared;
+ enum iio_shared_by shared;
ssize_t (*read)(struct iio_dev *, uintptr_t private,
struct iio_chan_spec const *, char *buf);
ssize_t (*write)(struct iio_dev *, uintptr_t private,
@@ -125,12 +133,35 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev,
#define IIO_ENUM_AVAILABLE(_name, _e) \
{ \
.name = (_name "_available"), \
- .shared = true, \
+ .shared = IIO_SHARED_BY_TYPE, \
.read = iio_enum_available_read, \
.private = (uintptr_t)(_e), \
}
/**
+ * struct iio_event_spec - specification for a channel event
+ * @type: Type of the event
+ * @dir: Direction of the event
+ * @mask_separate: Bit mask of enum iio_event_info values. Attributes
+ * set in this mask will be registered per channel.
+ * @mask_shared_by_type: Bit mask of enum iio_event_info values. Attributes
+ * set in this mask will be shared by channel type.
+ * @mask_shared_by_dir: Bit mask of enum iio_event_info values. Attributes
+ * set in this mask will be shared by channel type and
+ * direction.
+ * @mask_shared_by_all: Bit mask of enum iio_event_info values. Attributes
+ * set in this mask will be shared by all channels.
+ */
+struct iio_event_spec {
+ enum iio_event_type type;
+ enum iio_event_direction dir;
+ unsigned long mask_separate;
+ unsigned long mask_shared_by_type;
+ unsigned long mask_shared_by_dir;
+ unsigned long mask_shared_by_all;
+};
+
+/**
* struct iio_chan_spec - specification of a single channel
* @type: What type of measurement is the channel making.
* @channel: What number do we wish to assign the channel.
@@ -146,13 +177,23 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev,
* shift: Shift right by this before masking out
* realbits.
* endianness: little or big endian
- * @info_mask: What information is to be exported about this channel.
- * This includes calibbias, scale etc.
+ * repeat: Number of times real/storage bits
+ * repeats. When the repeat element is
+ * more than 1, then the type element in
+ * sysfs will show a repeat value.
+ * Otherwise, the number of repetitions is
+ * omitted.
* @info_mask_separate: What information is to be exported that is specific to
* this channel.
* @info_mask_shared_by_type: What information is to be exported that is shared
-* by all channels of the same type.
- * @event_mask: What events can this channel produce.
+ * by all channels of the same type.
+ * @info_mask_shared_by_dir: What information is to be exported that is shared
+ * by all channels of the same direction.
+ * @info_mask_shared_by_all: What information is to be exported that is shared
+ * by all channels.
+ * @event_spec: Array of events which should be registered for this
+ * channel.
+ * @num_event_specs: Size of the event_spec array.
* @ext_info: Array of extended info attributes for this channel.
* The array is NULL terminated, the last element should
* have its name field set to NULL.
@@ -184,12 +225,15 @@ struct iio_chan_spec {
u8 realbits;
u8 storagebits;
u8 shift;
+ u8 repeat;
enum iio_endian endianness;
} scan_type;
- long info_mask;
long info_mask_separate;
long info_mask_shared_by_type;
- long event_mask;
+ long info_mask_shared_by_dir;
+ long info_mask_shared_by_all;
+ const struct iio_event_spec *event_spec;
+ unsigned int num_event_specs;
const struct iio_chan_spec_ext_info *ext_info;
const char *extend_name;
const char *datasheet_name;
@@ -212,15 +256,21 @@ static inline bool iio_channel_has_info(const struct iio_chan_spec *chan,
enum iio_chan_info_enum type)
{
return (chan->info_mask_separate & BIT(type)) |
- (chan->info_mask_shared_by_type & BIT(type));
+ (chan->info_mask_shared_by_type & BIT(type)) |
+ (chan->info_mask_shared_by_dir & BIT(type)) |
+ (chan->info_mask_shared_by_all & BIT(type));
}
-#define IIO_ST(si, rb, sb, sh) \
- { .sign = si, .realbits = rb, .storagebits = sb, .shift = sh }
-
-#define IIO_CHAN_SOFT_TIMESTAMP(_si) \
- { .type = IIO_TIMESTAMP, .channel = -1, \
- .scan_index = _si, .scan_type = IIO_ST('s', 64, 64, 0) }
+#define IIO_CHAN_SOFT_TIMESTAMP(_si) { \
+ .type = IIO_TIMESTAMP, \
+ .channel = -1, \
+ .scan_index = _si, \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 64, \
+ .storagebits = 64, \
+ }, \
+}
/**
* iio_get_time_ns() - utility function to get a time stamp for events etc
@@ -245,6 +295,8 @@ static inline s64 iio_get_time_ns(void)
#define INDIO_ALL_BUFFER_MODES \
(INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE)
+#define INDIO_MAX_RAW_ELEMENTS 4
+
struct iio_trigger; /* forward declaration */
struct iio_dev;
@@ -259,6 +311,14 @@ struct iio_dev;
* the channel in question. Return value will specify the
* type of value returned by the device. val and val2 will
* contain the elements making up the returned value.
+ * @read_raw_multi: function to return values from the device.
+ * mask specifies which value. Note 0 means a reading of
+ * the channel in question. Return value will specify the
+ * type of value returned by the device. vals pointer
+ * contain the elements making up the returned value.
+ * max_len specifies maximum number of elements
+ * vals pointer can contain. val_len is used to return
+ * length of valid elements in vals.
* @write_raw: function to write a value to the device.
* Parameters are the same as for read_raw.
* @write_raw_get_fmt: callback function to query the expected
@@ -266,10 +326,8 @@ struct iio_dev;
* returns IIO_VAL_INT_PLUS_MICRO.
* @read_event_config: find out if the event is enabled.
* @write_event_config: set if the event is enabled.
- * @read_event_value: read a value associated with the event. Meaning
- * is event dependant. event_code specifies which event.
- * @write_event_value: write the value associated with the event.
- * Meaning is event dependent.
+ * @read_event_value: read a configuration value associated with the event.
+ * @write_event_value: write a configuration value for the event.
* @validate_trigger: function to validate the trigger when the
* current trigger gets changed.
* @update_scan_mode: function to configure device and scan buffer when
@@ -287,6 +345,13 @@ struct iio_info {
int *val2,
long mask);
+ int (*read_raw_multi)(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int max_len,
+ int *vals,
+ int *val_len,
+ long mask);
+
int (*write_raw)(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val,
@@ -298,18 +363,28 @@ struct iio_info {
long mask);
int (*read_event_config)(struct iio_dev *indio_dev,
- u64 event_code);
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir);
int (*write_event_config)(struct iio_dev *indio_dev,
- u64 event_code,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
int state);
int (*read_event_value)(struct iio_dev *indio_dev,
- u64 event_code,
- int *val);
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info, int *val, int *val2);
+
int (*write_event_value)(struct iio_dev *indio_dev,
- u64 event_code,
- int val);
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info, int val, int val2);
+
int (*validate_trigger)(struct iio_dev *indio_dev,
struct iio_trigger *trig);
int (*update_scan_mode)(struct iio_dev *indio_dev,
@@ -419,32 +494,12 @@ struct iio_dev {
#endif
};
-/**
- * iio_find_channel_from_si() - get channel from its scan index
- * @indio_dev: device
- * @si: scan index to match
- */
const struct iio_chan_spec
*iio_find_channel_from_si(struct iio_dev *indio_dev, int si);
-
-/**
- * iio_device_register() - register a device with the IIO subsystem
- * @indio_dev: Device structure filled by the device driver
- **/
int iio_device_register(struct iio_dev *indio_dev);
-
-/**
- * iio_device_unregister() - unregister a device from the IIO subsystem
- * @indio_dev: Device structure representing the device.
- **/
void iio_device_unregister(struct iio_dev *indio_dev);
-
-/**
- * iio_push_event() - try to add event to the list for userspace reading
- * @indio_dev: IIO device structure
- * @ev_code: What event
- * @timestamp: When the event occurred
- **/
+int devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev);
+void devm_iio_device_unregister(struct device *dev, struct iio_dev *indio_dev);
int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp);
extern struct bus_type iio_bus_type;
@@ -457,7 +512,7 @@ static inline void iio_device_put(struct iio_dev *indio_dev)
{
if (indio_dev)
put_device(&indio_dev->dev);
-};
+}
/**
* dev_to_iio_dev() - Get IIO device struct from a device struct
@@ -508,10 +563,6 @@ static inline void *iio_device_get_drvdata(struct iio_dev *indio_dev)
/* Can we make this smaller? */
#define IIO_ALIGN L1_CACHE_BYTES
-/**
- * iio_device_alloc() - allocate an iio_dev from a driver
- * @sizeof_priv: Space to allocate for private structure.
- **/
struct iio_dev *iio_device_alloc(int sizeof_priv);
static inline void *iio_priv(const struct iio_dev *indio_dev)
@@ -525,64 +576,11 @@ static inline struct iio_dev *iio_priv_to_dev(void *priv)
ALIGN(sizeof(struct iio_dev), IIO_ALIGN));
}
-/**
- * iio_device_free() - free an iio_dev from a driver
- * @indio_dev: the iio_dev associated with the device
- **/
void iio_device_free(struct iio_dev *indio_dev);
-
-/**
- * devm_iio_device_alloc - Resource-managed iio_device_alloc()
- * @dev: Device to allocate iio_dev for
- * @sizeof_priv: Space to allocate for private structure.
- *
- * Managed iio_device_alloc. iio_dev allocated with this function is
- * automatically freed on driver detach.
- *
- * If an iio_dev allocated with this function needs to be freed separately,
- * devm_iio_device_free() must be used.
- *
- * RETURNS:
- * Pointer to allocated iio_dev on success, NULL on failure.
- */
struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv);
-
-/**
- * devm_iio_device_free - Resource-managed iio_device_free()
- * @dev: Device this iio_dev belongs to
- * @indio_dev: the iio_dev associated with the device
- *
- * Free iio_dev allocated with devm_iio_device_alloc().
- */
void devm_iio_device_free(struct device *dev, struct iio_dev *indio_dev);
-
-/**
- * devm_iio_trigger_alloc - Resource-managed iio_trigger_alloc()
- * @dev: Device to allocate iio_trigger for
- * @fmt: trigger name format. If it includes format
- * specifiers, the additional arguments following
- * format are formatted and inserted in the resulting
- * string replacing their respective specifiers.
- *
- * Managed iio_trigger_alloc. iio_trigger allocated with this function is
- * automatically freed on driver detach.
- *
- * If an iio_trigger allocated with this function needs to be freed separately,
- * devm_iio_trigger_free() must be used.
- *
- * RETURNS:
- * Pointer to allocated iio_trigger on success, NULL on failure.
- */
struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,
const char *fmt, ...);
-
-/**
- * devm_iio_trigger_free - Resource-managed iio_trigger_free()
- * @dev: Device this iio_dev belongs to
- * @iio_trig: the iio_trigger associated with the device
- *
- * Free iio_trigger allocated with devm_iio_trigger_alloc().
- */
void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig);
/**
@@ -593,7 +591,7 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev)
{
return indio_dev->currentmode
& (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE);
-};
+}
/**
* iio_get_debugfs_dentry() - helper function to get the debugfs_dentry
@@ -603,12 +601,12 @@ static inline bool iio_buffer_enabled(struct iio_dev *indio_dev)
static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev)
{
return indio_dev->debugfs_dentry;
-};
+}
#else
static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev)
{
return NULL;
-};
+}
#endif
int iio_str_to_fixpoint(const char *str, int fract_mult, int *integer,
diff --git a/include/linux/iio/sysfs.h b/include/linux/iio/sysfs.h
index 2958c960003..8a1d18640ab 100644
--- a/include/linux/iio/sysfs.h
+++ b/include/linux/iio/sysfs.h
@@ -100,6 +100,21 @@ struct iio_const_attr {
#define IIO_CONST_ATTR_SAMP_FREQ_AVAIL(_string) \
IIO_CONST_ATTR(sampling_frequency_available, _string)
+/**
+ * IIO_DEV_ATTR_INT_TIME_AVAIL - list available integration times
+ * @_show: output method for the attribute
+ **/
+#define IIO_DEV_ATTR_INT_TIME_AVAIL(_show) \
+ IIO_DEVICE_ATTR(integration_time_available, S_IRUGO, _show, NULL, 0)
+/**
+ * IIO_CONST_ATTR_INT_TIME_AVAIL - list available integration times
+ * @_string: frequency string for the attribute
+ *
+ * Constant version
+ **/
+#define IIO_CONST_ATTR_INT_TIME_AVAIL(_string) \
+ IIO_CONST_ATTR(integration_time_available, _string)
+
#define IIO_DEV_ATTR_TEMP_RAW(_show) \
IIO_DEVICE_ATTR(in_temp_raw, S_IRUGO, _show, NULL, 0)
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 88bf0f0d27b..d480631eabc 100644
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -29,6 +29,7 @@ enum iio_chan_type {
IIO_ALTVOLTAGE,
IIO_CCT,
IIO_PRESSURE,
+ IIO_HUMIDITYRELATIVE,
};
enum iio_modifier {
@@ -52,12 +53,36 @@ enum iio_modifier {
IIO_MOD_LIGHT_RED,
IIO_MOD_LIGHT_GREEN,
IIO_MOD_LIGHT_BLUE,
+ IIO_MOD_QUATERNION,
+ IIO_MOD_TEMP_AMBIENT,
+ IIO_MOD_TEMP_OBJECT,
+};
+
+enum iio_event_type {
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_TYPE_MAG,
+ IIO_EV_TYPE_ROC,
+ IIO_EV_TYPE_THRESH_ADAPTIVE,
+ IIO_EV_TYPE_MAG_ADAPTIVE,
+};
+
+enum iio_event_info {
+ IIO_EV_INFO_ENABLE,
+ IIO_EV_INFO_VALUE,
+ IIO_EV_INFO_HYSTERESIS,
+};
+
+enum iio_event_direction {
+ IIO_EV_DIR_EITHER,
+ IIO_EV_DIR_RISING,
+ IIO_EV_DIR_FALLING,
};
#define IIO_VAL_INT 1
#define IIO_VAL_INT_PLUS_MICRO 2
#define IIO_VAL_INT_PLUS_NANO 3
#define IIO_VAL_INT_PLUS_MICRO_DB 4
+#define IIO_VAL_INT_MULTIPLE 5
#define IIO_VAL_FRACTIONAL 10
#define IIO_VAL_FRACTIONAL_LOG2 11