Lines Matching +full:tx +full:- +full:channel

4 # SPDX-License-Identifier: Apache-2.0
15 	bool "Disable data cache while accessing Scatter-Gather Descriptors."
19 		Disable dcache while operating on Scatter-Gather descriptors.
25 	int "Number of transfer descriptors allocated for transmission (TX)."
29 		The Xilinx AXI DMA uses a ring of in-memory DMA descriptors which reference
43 	prompt "IRQs to lock when manipulating per-channel data structures during dma_start."
50 		Lock all interrupts (including, e.g., timers and scheduler) when modifying channel data
52 		This is required when calling dma_start outside of the TX/RX callbacks.
56 	bool "Lock TX and RX IRQs"
58 		Lock all interrupts of this DMA device when modifying channel data during dma_start.
59 		This is only safe when dma_start is only called from the TX/RX callbacks (and possibly
63 	bool "Lock IRQs of the DMA channel"
65 		Only lock the interrupt of the DMA channel whose data are to be modified during dma_start.
67 		registered for the same channel.
76 		On certain platforms (e.g., RISC-V), the DMA driver can sometimes miss interrupts.
82 		worst-case latency.
101 		This is useful in conjunction with DMA_XILINX_AXI_DMA_INTERRUPT_THRESHOLD - the DMA