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- #
- # Industrial I/O generic buffer implementations
- #
- # When adding new entries keep the list in alphabetical order
- config IIO_BUFFER_CB
- tristate "IIO callback buffer used for push in-kernel interfaces"
- help
- Should be selected by any drivers that do in-kernel push
- usage. That is, those where the data is pushed to the consumer.
- config IIO_BUFFER_DMA
- tristate
- help
- Provides the generic IIO DMA buffer infrastructure that can be used by
- drivers for devices with DMA support to implement the IIO buffer.
- Should be selected by drivers that want to use the generic DMA buffer
- infrastructure.
- config IIO_BUFFER_DMAENGINE
- tristate
- select IIO_BUFFER_DMA
- help
- Provides a bonding of the generic IIO DMA buffer infrastructure with the
- DMAengine framework. This can be used by converter drivers with a DMA port
- connected to an external DMA controller which is supported by the
- DMAengine framework.
- Should be selected by drivers that want to use this functionality.
- config IIO_BUFFER_HW_CONSUMER
- tristate "Industrial I/O HW buffering"
- help
- Provides a way to bonding when an IIO device has a direct connection
- to another device in hardware. In this case buffers for data transfers
- are handled by hardware.
- Should be selected by drivers that want to use the generic Hw consumer
- interface.
- config IIO_KFIFO_BUF
- tristate "Industrial I/O buffering based on kfifo"
- help
- A simple fifo based on kfifo. Note that this currently provides
- no buffer events so it is up to userspace to work out how
- often to read from the buffer.
- config IIO_TRIGGERED_BUFFER
- tristate
- select IIO_TRIGGER
- select IIO_KFIFO_BUF
- help
- Provides helper functions for setting up triggered buffers.
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