kernel/linux.git/drivers/dma/Makefile, branch v6.12.80

dmaengine: Add dma router for pl08x in LPC32XX SoC

2024-08-29T17:24:11+00:00

LPC32XX connects few of its peripherals to pl08x DMA thru a multiplexer, this driver allows to route a signal request line thru the multiplexer for given peripheral. Signed-off-by: Piotr Wojtaszczyk Link: https://lore.kernel.org/r/20240628152022.274405-1-piotr.wojtaszczyk@timesys.com Signed-off-by: Vinod Koul

dmaengine: Loongson1: Add Loongson-1 APB DMA driver

2024-08-29T17:17:24+00:00

Add APB DMA driver for Loongson-1 SoCs. Reviewed-by: Jiaxun Yang Signed-off-by: Keguang Zhang Link: https://lore.kernel.org/r/20240809-loongson1-dma-v12-2-d9469a4a6b85@gmail.com Signed-off-by: Vinod Koul

dmaengine: amd: qdma: Add AMD QDMA driver

2024-08-28T18:04:13+00:00

Adds driver to enable PCIe board which uses AMD QDMA (the Queue-based Direct Memory Access) subsystem. For example, Xilinx Alveo V70 AI Accelerator devices. https://www.xilinx.com/applications/data-center/v70.html The QDMA subsystem is used in conjunction with the PCI Express IP block to provide high performance data transfer between host memory and the card's DMA subsystem. +-------+ +-------+ +-----------+ PCIe | | | | | | Tx/Rx | | | | AXI | | <=======> | PCIE | <===> | QDMA | <====>| User Logic| | | | | | | +-------+ +-------+ +-----------+ The primary mechanism to transfer data using the QDMA is for the QDMA engine to operate on instructions (descriptors) provided by the host operating system. Using the descriptors, the QDMA can move data in both the Host to Card (H2C) direction, or the Card to Host (C2H) direction. The QDMA provides a per-queue basis option whether DMA traffic goes to an AXI4 memory map (MM) interface or to an AXI4-Stream interface. The hardware detail is provided by https://docs.xilinx.com/r/en-US/pg302-qdma Implements dmaengine APIs to support MM DMA transfers. - probe the available DMA channels - use dma_slave_map for channel lookup - use virtual channel to manage dmaengine tx descriptors - implement device_prep_slave_sg callback to handle host scatter gather list Signed-off-by: Nishad Saraf Signed-off-by: Lizhi Hou Link: https://lore.kernel.org/r/20240819211948.688786-2-lizhi.hou@amd.com Signed-off-by: Vinod Koul

dmaengine: stm32: New directory for STM32 DMA controllers drivers

2024-06-11T18:25:33+00:00

Gather the STM32 DMA controllers under drivers/dma/stm32/ Signed-off-by: Amelie Delaunay Link: https://lore.kernel.org/r/20240531150712.2503554-3-amelie.delaunay@foss.st.com Signed-off-by: Vinod Koul

dmaengine: fsl-edma: add trace event support

2024-05-04T12:30:16+00:00

Implement trace event support to enhance logging functionality for register access and the transfer control descriptor (TCD) context. This will enable more comprehensive monitoring and analysis of system activities Signed-off-by: Frank Li Link: https://lore.kernel.org/r/20240425205947.3436501-1-Frank.Li@nxp.com Signed-off-by: Vinod Koul

dmaengine: ls2x-apb: New driver for the Loongson LS2X APB DMA controller

2023-12-21T16:05:13+00:00

The Loongson LS2X APB DMA controller is available on Loongson-2K chips. It is a single-channel, configurable DMA controller IP core based on the AXI bus, whose main function is to integrate DMA functionality on a chip dedicated to carrying data between memory and peripherals in APB bus (e.g. nand). Signed-off-by: Binbin Zhou Signed-off-by: Yingkun Meng Link: https://lore.kernel.org/r/8df2a0199434fba3535831082966c2442ecf1cae.1702365725.git.zhoubinbin@loongson.cn Signed-off-by: Vinod Koul

dmaengine: fsl-edma: clean up EXPORT_SYMBOL_GPL in fsl-edma-common.c

2023-08-22T14:41:02+00:00

Exported functions in fsl-edma-common.c are only used within fsl-edma.c and mcf-edma.c. Global export is unnecessary. This commit removes all EXPORT_SYMBOL_GPL in fsl-edma-common.c, and renames fsl-edma.c and mcf-edma.c to maintain the same final module names as before, thereby simplifying the codebase. Signed-off-by: Frank Li Reviewed-by: Peng Fan Link: https://lore.kernel.org/r/20230821161617.2142561-3-Frank.Li@nxp.com Signed-off-by: Vinod Koul

dmaengine: ipu: Remove the driver

2023-08-01T17:56:46+00:00

The i.MX3 IPU driver does not support devicetree and i.MX has been converted to a DT-only platform since kernel 5.10. As there is no user for this driver anymore, just remove it. Signed-off-by: Fabio Estevam Reviewed-by: Arnd Bergmann Link: https://lore.kernel.org/r/20230729192945.1217206-1-festevam@gmail.com Signed-off-by: Vinod Koul

dmaengine: remove s3c24xx driver

2023-01-16T08:26:06+00:00

The s3c24xx platform was removed and this driver is no longer needed. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Arnd Bergmann

dmaengine: Revert "dmaengine: remove s3c24xx driver"

2022-12-02T11:41:50+00:00

This reverts cccc46ae3623 ("dmaengine: remove s3c24xx driver") as it causes regression due to missing header Signed-off-by: Vinod Koul