diff options
Diffstat (limited to 'include/linux/iio')
| -rw-r--r-- | include/linux/iio/buffer.h | 3 | ||||
| -rw-r--r-- | include/linux/iio/events.h | 4 | ||||
| -rw-r--r-- | include/linux/iio/iio.h | 115 | ||||
| -rw-r--r-- | include/linux/iio/types.h | 1 |
4 files changed, 11 insertions, 112 deletions
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h index 15607b45221a..519392763393 100644 --- a/include/linux/iio/buffer.h +++ b/include/linux/iio/buffer.h @@ -21,6 +21,8 @@ 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 @@ -43,6 +45,7 @@ struct iio_buffer_access_funcs { 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); diff --git a/include/linux/iio/events.h b/include/linux/iio/events.h index 5dab2c41031f..8bbd7bc1043d 100644 --- a/include/linux/iio/events.h +++ b/include/linux/iio/events.h @@ -46,10 +46,6 @@ struct iio_event_data { ((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 256a90a1bea6..75a8a20c8179 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -185,7 +185,6 @@ struct iio_event_spec { * 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_mask: What events can this channel produce. * @event_spec: Array of events which should be registered for this * channel. * @num_event_specs: Size of the event_spec array. @@ -226,7 +225,6 @@ struct iio_chan_spec { long info_mask_shared_by_type; long info_mask_shared_by_dir; long info_mask_shared_by_all; - long event_mask; const struct iio_event_spec *event_spec; unsigned int num_event_specs; const struct iio_chan_spec_ext_info *ext_info; @@ -307,16 +305,8 @@ 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_config_new: find out if the event is enabled. New style interface. - * @write_event_config_new: set if the event is enabled. New style interface. - * @read_event_value_new: read a configuration value associated with the event. - * New style interface. - * @write_event_value_new: write a configuration value for the event. New style - * interface. + * @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 @@ -345,37 +335,23 @@ struct iio_info { long mask); int (*read_event_config)(struct iio_dev *indio_dev, - u64 event_code); - - int (*write_event_config)(struct iio_dev *indio_dev, - u64 event_code, - int state); - - int (*read_event_value)(struct iio_dev *indio_dev, - u64 event_code, - int *val); - int (*write_event_value)(struct iio_dev *indio_dev, - u64 event_code, - int val); - - int (*read_event_config_new)(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir); - int (*write_event_config_new)(struct iio_dev *indio_dev, + int (*write_event_config)(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, int state); - int (*read_event_value_new)(struct iio_dev *indio_dev, + int (*read_event_value)(struct iio_dev *indio_dev, 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_new)(struct iio_dev *indio_dev, + int (*write_event_value)(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, @@ -490,32 +466,12 @@ 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; @@ -579,10 +535,6 @@ 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) @@ -596,64 +548,11 @@ 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); /** diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 4ac928ee31c5..084d882fe01b 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 { |