Searched defs:dma_fifo (Results 1 – 1 of 1) sorted by relevance
47 struct dma_fifo { struct48 unsigned in;49 unsigned out; /* updated when dma is pended */50 unsigned done; /* updated upon dma completion */51 struct {54 int size; /* 'apparent' size of fifo */55 int guard; /* ofs of guard area */56 int capacity; /* size + reserved */57 int avail; /* # of unused bytes in fifo */58 unsigned align; /* must be power of 2 */[all …]