18548a63bSLars-Peter Clausen# 28548a63bSLars-Peter Clausen# Industrial I/O generic buffer implementations 38548a63bSLars-Peter Clausen# 48548a63bSLars-Peter Clausen# When adding new entries keep the list in alphabetical order 58548a63bSLars-Peter Clausen 68548a63bSLars-Peter Clausenconfig IIO_BUFFER_CB 78548a63bSLars-Peter Clausen tristate "IIO callback buffer used for push in-kernel interfaces" 88548a63bSLars-Peter Clausen help 98548a63bSLars-Peter Clausen Should be selected by any drivers that do in-kernel push 108548a63bSLars-Peter Clausen usage. That is, those where the data is pushed to the consumer. 118548a63bSLars-Peter Clausen 12670b19aeSLars-Peter Clausenconfig IIO_BUFFER_DMA 13670b19aeSLars-Peter Clausen tristate 14670b19aeSLars-Peter Clausen help 15670b19aeSLars-Peter Clausen Provides the generic IIO DMA buffer infrastructure that can be used by 16670b19aeSLars-Peter Clausen drivers for devices with DMA support to implement the IIO buffer. 17670b19aeSLars-Peter Clausen 18670b19aeSLars-Peter Clausen Should be selected by drivers that want to use the generic DMA buffer 19670b19aeSLars-Peter Clausen infrastructure. 20670b19aeSLars-Peter Clausen 21*2d6ca60fSLars-Peter Clausenconfig IIO_BUFFER_DMAENGINE 22*2d6ca60fSLars-Peter Clausen tristate 23*2d6ca60fSLars-Peter Clausen select IIO_BUFFER_DMA 24*2d6ca60fSLars-Peter Clausen help 25*2d6ca60fSLars-Peter Clausen Provides a bonding of the generic IIO DMA buffer infrastructure with the 26*2d6ca60fSLars-Peter Clausen DMAengine framework. This can be used by converter drivers with a DMA port 27*2d6ca60fSLars-Peter Clausen connected to an external DMA controller which is supported by the 28*2d6ca60fSLars-Peter Clausen DMAengine framework. 29*2d6ca60fSLars-Peter Clausen 30*2d6ca60fSLars-Peter Clausen Should be selected by drivers that want to use this functionality. 31*2d6ca60fSLars-Peter Clausen 328548a63bSLars-Peter Clausenconfig IIO_KFIFO_BUF 338548a63bSLars-Peter Clausen tristate "Industrial I/O buffering based on kfifo" 348548a63bSLars-Peter Clausen help 358548a63bSLars-Peter Clausen A simple fifo based on kfifo. Note that this currently provides 368548a63bSLars-Peter Clausen no buffer events so it is up to userspace to work out how 378548a63bSLars-Peter Clausen often to read from the buffer. 388548a63bSLars-Peter Clausen 398548a63bSLars-Peter Clausenconfig IIO_TRIGGERED_BUFFER 408548a63bSLars-Peter Clausen tristate 418548a63bSLars-Peter Clausen select IIO_TRIGGER 428548a63bSLars-Peter Clausen select IIO_KFIFO_BUF 438548a63bSLars-Peter Clausen help 448548a63bSLars-Peter Clausen Provides helper functions for setting up triggered buffers. 45