STRUCT IIO_DEV(9)                      Industrial I/O core                      STRUCT IIO_DEV(9)



NAME
       struct_iio_dev - industrial I/O device

SYNOPSIS
       struct iio_dev {
         int id;
         int modes;
         int currentmode;
         struct device dev;
         struct iio_event_interface * event_interface;
         struct iio_buffer * buffer;
         struct list_head buffer_list;
         int scan_bytes;
         struct mutex mlock;
         const unsigned long * available_scan_masks;
         unsigned masklength;
         const unsigned long * active_scan_mask;
         bool scan_timestamp;
         unsigned scan_index_timestamp;
         struct iio_trigger * trig;
         struct iio_poll_func * pollfunc;
         struct iio_poll_func * pollfunc_event;
         struct iio_chan_spec const * channels;
         int num_channels;
         struct list_head channel_attr_list;
         struct attribute_group chan_attr_group;
         const char * name;
         const struct iio_info * info;
         clockid_t clock_id;
         struct mutex info_exist_lock;
         const struct iio_buffer_setup_ops * setup_ops;
         struct cdev chrdev;
       #define IIO_MAX_GROUPS 6
         const struct attribute_group * groups[IIO_MAX_GROUPS + 1];
         int groupcounter;
         unsigned long flags;
       #if defined(CONFIG_DEBUG_FS)
         struct dentry * debugfs_dentry;
         unsigned cached_reg_addr;
       #endif
       };

MEMBERS
       id
           [INTERN] used to identify device internally

       modes
           [DRIVER] operating modes supported by device

       currentmode
           [DRIVER] current operating mode

       dev
           [DRIVER] device structure, should be assigned a parent and owner

       event_interface
           [INTERN] event chrdevs associated with interrupt lines

       buffer
           [DRIVER] any buffer present

       buffer_list
           [INTERN] list of all buffers currently attached

       scan_bytes
           [INTERN] num bytes captured to be fed to buffer demux

       mlock
           [DRIVER] lock used to prevent simultaneous device state changes

       available_scan_masks
           [DRIVER] optional array of allowed bitmasks

       masklength
           [INTERN] the length of the mask established from channels

       active_scan_mask
           [INTERN] union of all scan masks requested by buffers

       scan_timestamp
           [INTERN] set if any buffers have requested timestamp

       scan_index_timestamp
           [INTERN] cache of the index to the timestamp

       trig
           [INTERN] current device trigger (buffer modes)

       pollfunc
           [DRIVER] function run on trigger being received

       pollfunc_event
           [DRIVER] function run on events trigger being received

       channels
           [DRIVER] channel specification structure table

       num_channels
           [DRIVER] number of channels specified in channels.

       channel_attr_list
           [INTERN] keep track of automatically created channel attributes

       chan_attr_group
           [INTERN] group for all attrs in base directory

       name
           [DRIVER] name of the device.

       info
           [DRIVER] callbacks and constant info from driver

       clock_id
           [INTERN] timestamping clock posix identifier

       info_exist_lock
           [INTERN] lock to prevent use during removal

       setup_ops
           [DRIVER] callbacks to call before and after buffer enable/disable

       chrdev
           [INTERN] associated character device

       groups[IIO_MAX_GROUPS + 1]
           [INTERN] attribute groups

       groupcounter
           [INTERN] index of next attribute group

       flags
           [INTERN] file ops related flags including busy flag.

       debugfs_dentry
           [INTERN] device specific debugfs dentry.

       cached_reg_addr
           [INTERN] cached register address for debugfs reads.

AUTHOR
       Daniel Baluta <daniel.baluta AT intel.com>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                         STRUCT IIO_DEV(9)