altera: clean up empty lines in .c and .h files
Negate the logic of XCHAN_CAP_NOBUFS macro and rename it toXCHAN_CAP_BOUNCE.The only application that uses bounce buffering for now is the GovernmentFurnished Equipment (GFE) P2's dma core (AXIDM
Negate the logic of XCHAN_CAP_NOBUFS macro and rename it toXCHAN_CAP_BOUNCE.The only application that uses bounce buffering for now is the GovernmentFurnished Equipment (GFE) P2's dma core (AXIDMA) with its own dedicatedcacheless bounce buffer.Sponsored by: DARPA, AFRL
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o Rewrite softdma_process_tx() of Altera SoftDMA engine driver so it does not require a bounce buffer. The only need for this was to align the buffer address. Implement unaligned access and we do
o Rewrite softdma_process_tx() of Altera SoftDMA engine driver so it does not require a bounce buffer. The only need for this was to align the buffer address. Implement unaligned access and we don't need to copy data twice.o Remove contigmalloc-based bounce buffer from xDMA code since it is not suitable for arbitrary memory provided by platform, which is sometimes a dedicated piece of memory that is not managed by OS at all.Sponsored by: DARPA, AFRL
Add driver for Altera SoftDMA® device.SoftDMA is a software implementation of DMA engine built using AlteraFIFO component.Sponsored by: DARPA, AFRLDifferential Revision: https://reviews.freebsd
Add driver for Altera SoftDMA® device.SoftDMA is a software implementation of DMA engine built using AlteraFIFO component.Sponsored by: DARPA, AFRLDifferential Revision: https://reviews.freebsd.org/D9620