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fa5d823b16
Add support for AMD PTDMA controller. It performs high-bandwidth memory to memory and IO copy operation. Device commands are managed via a circular queue of 'descriptors', each of which specifies source and destination addresses for copying a single buffer of data. Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Link: https://lore.kernel.org/r/1629208559-51964-2-git-send-email-Sanju.Mehta@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
788 lines
22 KiB
Plaintext
788 lines
22 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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#
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# DMA engine configuration
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#
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menuconfig DMADEVICES
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bool "DMA Engine support"
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depends on HAS_DMA
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help
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DMA engines can do asynchronous data transfers without
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involving the host CPU. Currently, this framework can be
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used to offload memory copies in the network stack and
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RAID operations in the MD driver. This menu only presents
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DMA Device drivers supported by the configured arch, it may
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be empty in some cases.
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config DMADEVICES_DEBUG
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bool "DMA Engine debugging"
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depends on DMADEVICES != n
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help
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This is an option for use by developers; most people should
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say N here. This enables DMA engine core and driver debugging.
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config DMADEVICES_VDEBUG
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bool "DMA Engine verbose debugging"
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depends on DMADEVICES_DEBUG != n
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help
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This is an option for use by developers; most people should
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say N here. This enables deeper (more verbose) debugging of
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the DMA engine core and drivers.
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if DMADEVICES
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comment "DMA Devices"
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#core
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config ASYNC_TX_ENABLE_CHANNEL_SWITCH
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bool
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config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
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bool
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config DMA_ENGINE
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bool
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config DMA_VIRTUAL_CHANNELS
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tristate
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config DMA_ACPI
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def_bool y
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depends on ACPI
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config DMA_OF
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def_bool y
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depends on OF
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select DMA_ENGINE
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#devices
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config ALTERA_MSGDMA
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tristate "Altera / Intel mSGDMA Engine"
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depends on HAS_IOMEM
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select DMA_ENGINE
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help
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Enable support for Altera / Intel mSGDMA controller.
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config AMBA_PL08X
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bool "ARM PrimeCell PL080 or PL081 support"
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depends on ARM_AMBA
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Say yes if your platform has a PL08x DMAC device which can
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provide DMA engine support. This includes the original ARM
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PL080 and PL081, Samsungs PL080 derivative and Faraday
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Technology's FTDMAC020 PL080 derivative.
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config AMCC_PPC440SPE_ADMA
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tristate "AMCC PPC440SPe ADMA support"
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depends on 440SPe || 440SP
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select DMA_ENGINE
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select DMA_ENGINE_RAID
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select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
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select ASYNC_TX_ENABLE_CHANNEL_SWITCH
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help
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Enable support for the AMCC PPC440SPe RAID engines.
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config AT_HDMAC
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tristate "Atmel AHB DMA support"
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depends on ARCH_AT91
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select DMA_ENGINE
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help
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Support the Atmel AHB DMA controller.
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config AT_XDMAC
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tristate "Atmel XDMA support"
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depends on ARCH_AT91
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select DMA_ENGINE
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help
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Support the Atmel XDMA controller.
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config AXI_DMAC
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tristate "Analog Devices AXI-DMAC DMA support"
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depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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select REGMAP_MMIO
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help
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Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
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controller is often used in Analog Devices' reference designs for FPGA
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platforms.
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config BCM_SBA_RAID
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tristate "Broadcom SBA RAID engine support"
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depends on ARM64 || COMPILE_TEST
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depends on MAILBOX && RAID6_PQ
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select DMA_ENGINE
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select DMA_ENGINE_RAID
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select ASYNC_TX_DISABLE_XOR_VAL_DMA
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select ASYNC_TX_DISABLE_PQ_VAL_DMA
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default m if ARCH_BCM_IPROC
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help
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Enable support for Broadcom SBA RAID Engine. The SBA RAID
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engine is available on most of the Broadcom iProc SoCs. It
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has the capability to offload memcpy, xor and pq computation
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for raid5/6.
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config DMA_BCM2835
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tristate "BCM2835 DMA engine support"
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depends on ARCH_BCM2835
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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config DMA_JZ4780
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tristate "JZ4780 DMA support"
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depends on MIPS || COMPILE_TEST
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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This selects support for the DMA controller in Ingenic JZ4780 SoCs.
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If you have a board based on such a SoC and wish to use DMA for
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devices which can use the DMA controller, say Y or M here.
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config DMA_SA11X0
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tristate "SA-11x0 DMA support"
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depends on ARCH_SA1100 || COMPILE_TEST
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support the DMA engine found on Intel StrongARM SA-1100 and
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SA-1110 SoCs. This DMA engine can only be used with on-chip
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devices.
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config DMA_SUN4I
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tristate "Allwinner A10 DMA SoCs support"
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depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
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default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Enable support for the DMA controller present in the sun4i,
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sun5i and sun7i Allwinner ARM SoCs.
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config DMA_SUN6I
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tristate "Allwinner A31 SoCs DMA support"
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depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
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depends on RESET_CONTROLLER
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support for the DMA engine first found in Allwinner A31 SoCs.
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config DW_AXI_DMAC
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tristate "Synopsys DesignWare AXI DMA support"
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depends on OF || COMPILE_TEST
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depends on HAS_IOMEM
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Enable support for Synopsys DesignWare AXI DMA controller.
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NOTE: This driver wasn't tested on 64 bit platform because
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of lack 64 bit platform with Synopsys DW AXI DMAC.
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config EP93XX_DMA
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bool "Cirrus Logic EP93xx DMA support"
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depends on ARCH_EP93XX || COMPILE_TEST
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select DMA_ENGINE
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help
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Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
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config FSL_DMA
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tristate "Freescale Elo series DMA support"
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depends on FSL_SOC
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select DMA_ENGINE
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select ASYNC_TX_ENABLE_CHANNEL_SWITCH
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help
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Enable support for the Freescale Elo series DMA controllers.
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The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
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EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
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some Txxx and Bxxx parts.
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config FSL_EDMA
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tristate "Freescale eDMA engine support"
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depends on OF
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support the Freescale eDMA engine with programmable channel
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multiplexing capability for DMA request sources(slot).
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This module can be found on Freescale Vybrid and LS-1 SoCs.
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config FSL_QDMA
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tristate "NXP Layerscape qDMA engine support"
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depends on ARM || ARM64
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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select DMA_ENGINE_RAID
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select ASYNC_TX_ENABLE_CHANNEL_SWITCH
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help
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Support the NXP Layerscape qDMA engine with command queue and legacy mode.
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Channel virtualization is supported through enqueuing of DMA jobs to,
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or dequeuing DMA jobs from, different work queues.
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This module can be found on NXP Layerscape SoCs.
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The qdma driver only work on SoCs with a DPAA hardware block.
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config FSL_RAID
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tristate "Freescale RAID engine Support"
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depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
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select DMA_ENGINE
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select DMA_ENGINE_RAID
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help
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Enable support for Freescale RAID Engine. RAID Engine is
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available on some QorIQ SoCs (like P5020/P5040). It has
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the capability to offload memcpy, xor and pq computation
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for raid5/6.
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config HISI_DMA
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tristate "HiSilicon DMA Engine support"
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depends on ARM64 || COMPILE_TEST
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depends on PCI_MSI
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support HiSilicon Kunpeng DMA engine.
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config IMG_MDC_DMA
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tristate "IMG MDC support"
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depends on MIPS || COMPILE_TEST
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depends on MFD_SYSCON
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Enable support for the IMG multi-threaded DMA controller (MDC).
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config IMX_DMA
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tristate "i.MX DMA support"
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depends on ARCH_MXC
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select DMA_ENGINE
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help
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Support the i.MX DMA engine. This engine is integrated into
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Freescale i.MX1/21/27 chips.
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config IMX_SDMA
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tristate "i.MX SDMA support"
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depends on ARCH_MXC
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support the i.MX SDMA engine. This engine is integrated into
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Freescale i.MX25/31/35/51/53/6 chips.
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config INTEL_IDMA64
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tristate "Intel integrated DMA 64-bit support"
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Enable DMA support for Intel Low Power Subsystem such as found on
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Intel Skylake PCH.
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config INTEL_IDXD_BUS
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tristate
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default INTEL_IDXD
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config INTEL_IDXD
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tristate "Intel Data Accelerators support"
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depends on PCI && X86_64 && !UML
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depends on PCI_MSI
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depends on PCI_PASID
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depends on SBITMAP
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select DMA_ENGINE
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help
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Enable support for the Intel(R) data accelerators present
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in Intel Xeon CPU.
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Say Y if you have such a platform.
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If unsure, say N.
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config INTEL_IDXD_COMPAT
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bool "Legacy behavior for idxd driver"
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depends on PCI && X86_64
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select INTEL_IDXD_BUS
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help
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Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
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The old behavior performed driver bind/unbind for device and wq
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devices all under the dsa driver. The compat driver will emulate
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the legacy behavior in order to allow existing support apps (i.e.
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accel-config) to continue function. It is expected that accel-config
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v3.2 and earlier will need the compat mode. A distro with later
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accel-config version can disable this compat config.
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Say Y if you have old applications that require such behavior.
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If unsure, say N.
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# Config symbol that collects all the dependencies that's necessary to
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# support shared virtual memory for the devices supported by idxd.
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config INTEL_IDXD_SVM
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bool "Accelerator Shared Virtual Memory Support"
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depends on INTEL_IDXD
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depends on INTEL_IOMMU_SVM
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depends on PCI_PRI
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depends on PCI_PASID
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depends on PCI_IOV
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config INTEL_IDXD_PERFMON
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bool "Intel Data Accelerators performance monitor support"
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depends on INTEL_IDXD
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help
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Enable performance monitor (pmu) support for the Intel(R)
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data accelerators present in Intel Xeon CPU. With this
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enabled, perf can be used to monitor the DSA (Intel Data
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Streaming Accelerator) events described in the Intel DSA
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spec.
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If unsure, say N.
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config INTEL_IOATDMA
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tristate "Intel I/OAT DMA support"
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depends on PCI && X86_64 && !UML
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select DMA_ENGINE
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select DMA_ENGINE_RAID
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select DCA
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help
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Enable support for the Intel(R) I/OAT DMA engine present
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in recent Intel Xeon chipsets.
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Say Y here if you have such a chipset.
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If unsure, say N.
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config INTEL_IOP_ADMA
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tristate "Intel IOP32x ADMA support"
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depends on ARCH_IOP32X || COMPILE_TEST
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select DMA_ENGINE
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select ASYNC_TX_ENABLE_CHANNEL_SWITCH
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help
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Enable support for the Intel(R) IOP Series RAID engines.
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config K3_DMA
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tristate "Hisilicon K3 DMA support"
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depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support the DMA engine for Hisilicon K3 platform
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devices.
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config LPC18XX_DMAMUX
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bool "NXP LPC18xx/43xx DMA MUX for PL080"
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depends on ARCH_LPC18XX || COMPILE_TEST
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depends on OF && AMBA_PL08X
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select MFD_SYSCON
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help
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Enable support for DMA on NXP LPC18xx/43xx platforms
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with PL080 and multiplexed DMA request lines.
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config MCF_EDMA
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tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
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depends on M5441x || COMPILE_TEST
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Support the Freescale ColdFire eDMA engine, 64-channel
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implementation that performs complex data transfers with
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minimal intervention from a host processor.
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This module can be found on Freescale ColdFire mcf5441x SoCs.
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config MILBEAUT_HDMAC
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tristate "Milbeaut AHB DMA support"
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depends on ARCH_MILBEAUT || COMPILE_TEST
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depends on OF
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Say yes here to support the Socionext Milbeaut
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HDMAC device.
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config MILBEAUT_XDMAC
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tristate "Milbeaut AXI DMA support"
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depends on ARCH_MILBEAUT || COMPILE_TEST
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depends on OF
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Say yes here to support the Socionext Milbeaut
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XDMAC device.
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config MMP_PDMA
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tristate "MMP PDMA support"
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depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
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select DMA_ENGINE
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help
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Support the MMP PDMA engine for PXA and MMP platform.
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config MMP_TDMA
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tristate "MMP Two-Channel DMA support"
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depends on ARCH_MMP || COMPILE_TEST
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select DMA_ENGINE
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select GENERIC_ALLOCATOR
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help
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Support the MMP Two-Channel DMA engine.
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This engine used for MMP Audio DMA and pxa910 SQU.
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config MOXART_DMA
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tristate "MOXART DMA support"
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depends on ARCH_MOXART
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Enable support for the MOXA ART SoC DMA controller.
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Say Y here if you enabled MMP ADMA, otherwise say N.
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config MPC512X_DMA
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tristate "Freescale MPC512x built-in DMA engine support"
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depends on PPC_MPC512x || PPC_MPC831x
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select DMA_ENGINE
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help
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Enable support for the Freescale MPC512x built-in DMA engine.
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config MV_XOR
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bool "Marvell XOR engine support"
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depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
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select DMA_ENGINE
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select DMA_ENGINE_RAID
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select ASYNC_TX_ENABLE_CHANNEL_SWITCH
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help
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Enable support for the Marvell XOR engine.
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config MV_XOR_V2
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bool "Marvell XOR engine version 2 support "
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depends on ARM64
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select DMA_ENGINE
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select DMA_ENGINE_RAID
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select ASYNC_TX_ENABLE_CHANNEL_SWITCH
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select GENERIC_MSI_IRQ_DOMAIN
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help
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Enable support for the Marvell version 2 XOR engine.
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This engine provides acceleration for copy, XOR and RAID6
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operations, and is available on Marvell Armada 7K and 8K
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platforms.
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config MXS_DMA
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bool "MXS DMA support"
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depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
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select STMP_DEVICE
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select DMA_ENGINE
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help
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Support the MXS DMA engine. This engine including APBH-DMA
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and APBX-DMA is integrated into some Freescale chips.
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config MX3_IPU
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bool "MX3x Image Processing Unit support"
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depends on ARCH_MXC
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select DMA_ENGINE
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default y
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help
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If you plan to use the Image Processing unit in the i.MX3x, say
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Y here. If unsure, select Y.
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config MX3_IPU_IRQS
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int "Number of dynamically mapped interrupts for IPU"
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depends on MX3_IPU
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range 2 137
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default 4
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help
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Out of 137 interrupt sources on i.MX31 IPU only very few are used.
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To avoid bloating the irq_desc[] array we allocate a sufficient
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number of IRQ slots and map them dynamically to specific sources.
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config NBPFAXI_DMA
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tristate "Renesas Type-AXI NBPF DMA support"
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select DMA_ENGINE
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depends on ARM || COMPILE_TEST
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help
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Support for "Type-AXI" NBPF DMA IPs from Renesas
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config OWL_DMA
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tristate "Actions Semi Owl SoCs DMA support"
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depends on ARCH_ACTIONS
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select DMA_ENGINE
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select DMA_VIRTUAL_CHANNELS
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help
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Enable support for the Actions Semi Owl SoCs DMA controller.
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config PCH_DMA
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tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
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depends on PCI && (X86_32 || COMPILE_TEST)
|
|
select DMA_ENGINE
|
|
help
|
|
Enable support for Intel EG20T PCH DMA engine.
|
|
|
|
This driver also can be used for LAPIS Semiconductor IOH(Input/
|
|
Output Hub), ML7213, ML7223 and ML7831.
|
|
ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
|
|
for MP(Media Phone) use and ML7831 IOH is for general purpose use.
|
|
ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
|
|
ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
|
|
|
|
config PL330_DMA
|
|
tristate "DMA API Driver for PL330"
|
|
select DMA_ENGINE
|
|
depends on ARM_AMBA
|
|
help
|
|
Select if your platform has one or more PL330 DMACs.
|
|
You need to provide platform specific settings via
|
|
platform_data for a dma-pl330 device.
|
|
|
|
config PXA_DMA
|
|
bool "PXA DMA support"
|
|
depends on (ARCH_MMP || ARCH_PXA)
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Support the DMA engine for PXA. It is also compatible with MMP PDMA
|
|
platform. The internal DMA IP of all PXA variants is supported, with
|
|
16 to 32 channels for peripheral to memory or memory to memory
|
|
transfers.
|
|
|
|
config PLX_DMA
|
|
tristate "PLX ExpressLane PEX Switch DMA Engine Support"
|
|
depends on PCI
|
|
select DMA_ENGINE
|
|
help
|
|
Some PLX ExpressLane PCI Switches support additional DMA engines.
|
|
These are exposed via extra functions on the switch's
|
|
upstream port. Each function exposes one DMA channel.
|
|
|
|
config STE_DMA40
|
|
bool "ST-Ericsson DMA40 support"
|
|
depends on ARCH_U8500
|
|
select DMA_ENGINE
|
|
help
|
|
Support for ST-Ericsson DMA40 controller
|
|
|
|
config ST_FDMA
|
|
tristate "ST FDMA dmaengine support"
|
|
depends on ARCH_STI
|
|
depends on REMOTEPROC
|
|
select ST_SLIM_REMOTEPROC
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for ST FDMA controller.
|
|
It supports 16 independent DMA channels, accepts up to 32 DMA requests
|
|
|
|
Say Y here if you have such a chipset.
|
|
If unsure, say N.
|
|
|
|
config STM32_DMA
|
|
bool "STMicroelectronics STM32 DMA support"
|
|
depends on ARCH_STM32 || COMPILE_TEST
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for the on-chip DMA controller on STMicroelectronics
|
|
STM32 MCUs.
|
|
If you have a board based on such a MCU and wish to use DMA say Y
|
|
here.
|
|
|
|
config STM32_DMAMUX
|
|
bool "STMicroelectronics STM32 dma multiplexer support"
|
|
depends on STM32_DMA || COMPILE_TEST
|
|
help
|
|
Enable support for the on-chip DMA multiplexer on STMicroelectronics
|
|
STM32 MCUs.
|
|
If you have a board based on such a MCU and wish to use DMAMUX say Y
|
|
here.
|
|
|
|
config STM32_MDMA
|
|
bool "STMicroelectronics STM32 master dma support"
|
|
depends on ARCH_STM32 || COMPILE_TEST
|
|
depends on OF
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for the on-chip MDMA controller on STMicroelectronics
|
|
STM32 platforms.
|
|
If you have a board based on STM32 SoC and wish to use the master DMA
|
|
say Y here.
|
|
|
|
config SPRD_DMA
|
|
tristate "Spreadtrum DMA support"
|
|
depends on ARCH_SPRD || COMPILE_TEST
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for the on-chip DMA controller on Spreadtrum platform.
|
|
|
|
config S3C24XX_DMAC
|
|
bool "Samsung S3C24XX DMA support"
|
|
depends on ARCH_S3C24XX || COMPILE_TEST
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Support for the Samsung S3C24XX DMA controller driver. The
|
|
DMA controller is having multiple DMA channels which can be
|
|
configured for different peripherals like audio, UART, SPI.
|
|
The DMA controller can transfer data from memory to peripheral,
|
|
periphal to memory, periphal to periphal and memory to memory.
|
|
|
|
config TXX9_DMAC
|
|
tristate "Toshiba TXx9 SoC DMA support"
|
|
depends on MACH_TX49XX || MACH_TX39XX
|
|
select DMA_ENGINE
|
|
help
|
|
Support the TXx9 SoC internal DMA controller. This can be
|
|
integrated in chips such as the Toshiba TX4927/38/39.
|
|
|
|
config TEGRA20_APB_DMA
|
|
tristate "NVIDIA Tegra20 APB DMA support"
|
|
depends on ARCH_TEGRA || COMPILE_TEST
|
|
select DMA_ENGINE
|
|
help
|
|
Support for the NVIDIA Tegra20 APB DMA controller driver. The
|
|
DMA controller is having multiple DMA channel which can be
|
|
configured for different peripherals like audio, UART, SPI,
|
|
I2C etc which is in APB bus.
|
|
This DMA controller transfers data from memory to peripheral fifo
|
|
or vice versa. It does not support memory to memory data transfer.
|
|
|
|
config TEGRA210_ADMA
|
|
tristate "NVIDIA Tegra210 ADMA support"
|
|
depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Support for the NVIDIA Tegra210 ADMA controller driver. The
|
|
DMA controller has multiple DMA channels and is used to service
|
|
various audio clients in the Tegra210 audio processing engine
|
|
(APE). This DMA controller transfers data from memory to
|
|
peripheral and vice versa. It does not support memory to
|
|
memory data transfer.
|
|
|
|
config TIMB_DMA
|
|
tristate "Timberdale FPGA DMA support"
|
|
depends on MFD_TIMBERDALE || COMPILE_TEST
|
|
select DMA_ENGINE
|
|
help
|
|
Enable support for the Timberdale FPGA DMA engine.
|
|
|
|
config UNIPHIER_MDMAC
|
|
tristate "UniPhier MIO DMAC"
|
|
depends on ARCH_UNIPHIER || COMPILE_TEST
|
|
depends on OF
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for the MIO DMAC (Media I/O DMA controller) on the
|
|
UniPhier platform. This DMA controller is used as the external
|
|
DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
|
|
|
|
config UNIPHIER_XDMAC
|
|
tristate "UniPhier XDMAC support"
|
|
depends on ARCH_UNIPHIER || COMPILE_TEST
|
|
depends on OF
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for the XDMAC (external DMA controller) on the
|
|
UniPhier platform. This DMA controller can transfer data from
|
|
memory to memory, memory to peripheral and peripheral to memory.
|
|
|
|
config XGENE_DMA
|
|
tristate "APM X-Gene DMA support"
|
|
depends on ARCH_XGENE || COMPILE_TEST
|
|
select DMA_ENGINE
|
|
select DMA_ENGINE_RAID
|
|
select ASYNC_TX_ENABLE_CHANNEL_SWITCH
|
|
help
|
|
Enable support for the APM X-Gene SoC DMA engine.
|
|
|
|
config XILINX_DMA
|
|
tristate "Xilinx AXI DMAS Engine"
|
|
depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
|
|
select DMA_ENGINE
|
|
help
|
|
Enable support for Xilinx AXI VDMA Soft IP.
|
|
|
|
AXI VDMA engine provides high-bandwidth direct memory access
|
|
between memory and AXI4-Stream video type target
|
|
peripherals including peripherals which support AXI4-
|
|
Stream Video Protocol. It has two stream interfaces/
|
|
channels, Memory Mapped to Stream (MM2S) and Stream to
|
|
Memory Mapped (S2MM) for the data transfers.
|
|
AXI CDMA engine provides high-bandwidth direct memory access
|
|
between a memory-mapped source address and a memory-mapped
|
|
destination address.
|
|
AXI DMA engine provides high-bandwidth one dimensional direct
|
|
memory access between memory and AXI4-Stream target peripherals.
|
|
AXI MCDMA engine provides high-bandwidth direct memory access
|
|
between memory and AXI4-Stream target peripherals. It provides
|
|
the scatter gather interface with multiple channels independent
|
|
configuration support.
|
|
|
|
config XILINX_ZYNQMP_DMA
|
|
tristate "Xilinx ZynqMP DMA Engine"
|
|
depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
|
|
select DMA_ENGINE
|
|
help
|
|
Enable support for Xilinx ZynqMP DMA controller.
|
|
|
|
config XILINX_ZYNQMP_DPDMA
|
|
tristate "Xilinx DPDMA Engine"
|
|
depends on HAS_IOMEM && OF
|
|
select DMA_ENGINE
|
|
select DMA_VIRTUAL_CHANNELS
|
|
help
|
|
Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
|
|
if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
|
|
driver provides the dmaengine required by the DisplayPort subsystem
|
|
display driver.
|
|
|
|
# driver files
|
|
source "drivers/dma/bestcomm/Kconfig"
|
|
|
|
source "drivers/dma/mediatek/Kconfig"
|
|
|
|
source "drivers/dma/ptdma/Kconfig"
|
|
|
|
source "drivers/dma/qcom/Kconfig"
|
|
|
|
source "drivers/dma/dw/Kconfig"
|
|
|
|
source "drivers/dma/dw-edma/Kconfig"
|
|
|
|
source "drivers/dma/hsu/Kconfig"
|
|
|
|
source "drivers/dma/sf-pdma/Kconfig"
|
|
|
|
source "drivers/dma/sh/Kconfig"
|
|
|
|
source "drivers/dma/ti/Kconfig"
|
|
|
|
source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
|
|
|
|
source "drivers/dma/lgm/Kconfig"
|
|
|
|
# clients
|
|
comment "DMA Clients"
|
|
depends on DMA_ENGINE
|
|
|
|
config ASYNC_TX_DMA
|
|
bool "Async_tx: Offload support for the async_tx api"
|
|
depends on DMA_ENGINE
|
|
help
|
|
This allows the async_tx api to take advantage of offload engines for
|
|
memcpy, memset, xor, and raid6 p+q operations. If your platform has
|
|
a dma engine that can perform raid operations and you have enabled
|
|
MD_RAID456 say Y.
|
|
|
|
If unsure, say N.
|
|
|
|
config DMATEST
|
|
tristate "DMA Test client"
|
|
depends on DMA_ENGINE
|
|
select DMA_ENGINE_RAID
|
|
help
|
|
Simple DMA test client. Say N unless you're debugging a
|
|
DMA Device driver.
|
|
|
|
config DMA_ENGINE_RAID
|
|
bool
|
|
|
|
endif
|