diff options
Diffstat (limited to 'include/linux/iio/iio-opaque.h')
| -rw-r--r-- | include/linux/iio/iio-opaque.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/iio/iio-opaque.h b/include/linux/iio/iio-opaque.h new file mode 100644 index 000000000000..f2e94196d31f --- /dev/null +++ b/include/linux/iio/iio-opaque.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _INDUSTRIAL_IO_OPAQUE_H_ +#define _INDUSTRIAL_IO_OPAQUE_H_ + +/** + * struct iio_dev_opaque - industrial I/O device opaque information + * @indio_dev: public industrial I/O device information + * @event_interface: event chrdevs associated with interrupt lines + * @buffer_list: list of all buffers currently attached + * @channel_attr_list: keep track of automatically created channel + * attributes + * @chan_attr_group: group for all attrs in base directory + * @debugfs_dentry: device specific debugfs dentry + * @cached_reg_addr: cached register address for debugfs reads + * @read_buf: read buffer to be used for the initial reg read + * @read_buf_len: data length in @read_buf + */ +struct iio_dev_opaque { + struct iio_dev indio_dev; + struct iio_event_interface *event_interface; + struct list_head buffer_list; + struct list_head channel_attr_list; + struct attribute_group chan_attr_group; +#if defined(CONFIG_DEBUG_FS) + struct dentry *debugfs_dentry; + unsigned cached_reg_addr; + char read_buf[20]; + unsigned int read_buf_len; +#endif +}; + +#define to_iio_dev_opaque(indio_dev) \ + container_of(indio_dev, struct iio_dev_opaque, indio_dev) + +#endif |