| # SPDX-License-Identifier: GPL-2.0-only | 
 | # | 
 | # DMA engine configuration | 
 | # | 
 |  | 
 | menuconfig DMADEVICES | 
 | 	bool "DMA Engine support" | 
 | 	depends on HAS_DMA | 
 | 	help | 
 | 	  DMA engines can do asynchronous data transfers without | 
 | 	  involving the host CPU.  Currently, this framework can be | 
 | 	  used to offload memory copies in the network stack and | 
 | 	  RAID operations in the MD driver.  This menu only presents | 
 | 	  DMA Device drivers supported by the configured arch, it may | 
 | 	  be empty in some cases. | 
 |  | 
 | config DMADEVICES_DEBUG | 
 | 	bool "DMA Engine debugging" | 
 | 	depends on DMADEVICES != n | 
 | 	help | 
 | 	  This is an option for use by developers; most people should | 
 | 	  say N here.  This enables DMA engine core and driver debugging. | 
 |  | 
 | config DMADEVICES_VDEBUG | 
 | 	bool "DMA Engine verbose debugging" | 
 | 	depends on DMADEVICES_DEBUG != n | 
 | 	help | 
 | 	  This is an option for use by developers; most people should | 
 | 	  say N here.  This enables deeper (more verbose) debugging of | 
 | 	  the DMA engine core and drivers. | 
 |  | 
 |  | 
 | if DMADEVICES | 
 |  | 
 | comment "DMA Devices" | 
 |  | 
 | #core | 
 | config ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	bool | 
 |  | 
 | config ARCH_HAS_ASYNC_TX_FIND_CHANNEL | 
 | 	bool | 
 |  | 
 | config DMA_ENGINE | 
 | 	bool | 
 |  | 
 | config DMA_VIRTUAL_CHANNELS | 
 | 	tristate | 
 |  | 
 | config DMA_ACPI | 
 | 	def_bool y | 
 | 	depends on ACPI | 
 |  | 
 | config DMA_OF | 
 | 	def_bool y | 
 | 	depends on OF | 
 | 	select DMA_ENGINE | 
 |  | 
 | #devices | 
 | config ALTERA_MSGDMA | 
 | 	tristate "Altera / Intel mSGDMA Engine" | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Enable support for Altera / Intel mSGDMA controller. | 
 |  | 
 | config AMBA_PL08X | 
 | 	bool "ARM PrimeCell PL080 or PL081 support" | 
 | 	depends on ARM_AMBA | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Say yes if your platform has a PL08x DMAC device which can | 
 | 	  provide DMA engine support. This includes the original ARM | 
 | 	  PL080 and PL081, Samsungs PL080 derivative and Faraday | 
 | 	  Technology's FTDMAC020 PL080 derivative. | 
 |  | 
 | config AMCC_PPC440SPE_ADMA | 
 | 	tristate "AMCC PPC440SPe ADMA support" | 
 | 	depends on 440SPe || 440SP | 
 | 	select DMA_ENGINE | 
 | 	select DMA_ENGINE_RAID | 
 | 	select ARCH_HAS_ASYNC_TX_FIND_CHANNEL | 
 | 	select ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	help | 
 | 	  Enable support for the AMCC PPC440SPe RAID engines. | 
 |  | 
 | config AT_HDMAC | 
 | 	tristate "Atmel AHB DMA support" | 
 | 	depends on ARCH_AT91 | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Support the Atmel AHB DMA controller. | 
 |  | 
 | config AT_XDMAC | 
 | 	tristate "Atmel XDMA support" | 
 | 	depends on ARCH_AT91 | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Support the Atmel XDMA controller. | 
 |  | 
 | config AXI_DMAC | 
 | 	tristate "Analog Devices AXI-DMAC DMA support" | 
 | 	depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	select REGMAP_MMIO | 
 | 	help | 
 | 	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA | 
 | 	  controller is often used in Analog Device's reference designs for FPGA | 
 | 	  platforms. | 
 |  | 
 | config BCM_SBA_RAID | 
 | 	tristate "Broadcom SBA RAID engine support" | 
 | 	depends on ARM64 || COMPILE_TEST | 
 | 	depends on MAILBOX && RAID6_PQ | 
 | 	select DMA_ENGINE | 
 | 	select DMA_ENGINE_RAID | 
 | 	select ASYNC_TX_DISABLE_XOR_VAL_DMA | 
 | 	select ASYNC_TX_DISABLE_PQ_VAL_DMA | 
 | 	default m if ARCH_BCM_IPROC | 
 | 	help | 
 | 	  Enable support for Broadcom SBA RAID Engine. The SBA RAID | 
 | 	  engine is available on most of the Broadcom iProc SoCs. It | 
 | 	  has the capability to offload memcpy, xor and pq computation | 
 | 	  for raid5/6. | 
 |  | 
 | config COH901318 | 
 | 	bool "ST-Ericsson COH901318 DMA support" | 
 | 	select DMA_ENGINE | 
 | 	depends on ARCH_U300 || COMPILE_TEST | 
 | 	help | 
 | 	  Enable support for ST-Ericsson COH 901 318 DMA. | 
 |  | 
 | config DMA_BCM2835 | 
 | 	tristate "BCM2835 DMA engine support" | 
 | 	depends on ARCH_BCM2835 | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 |  | 
 | config DMA_JZ4780 | 
 | 	tristate "JZ4780 DMA support" | 
 | 	depends on MIPS || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  This selects support for the DMA controller in Ingenic JZ4780 SoCs. | 
 | 	  If you have a board based on such a SoC and wish to use DMA for | 
 | 	  devices which can use the DMA controller, say Y or M here. | 
 |  | 
 | config DMA_SA11X0 | 
 | 	tristate "SA-11x0 DMA support" | 
 | 	depends on ARCH_SA1100 || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support the DMA engine found on Intel StrongARM SA-1100 and | 
 | 	  SA-1110 SoCs.  This DMA engine can only be used with on-chip | 
 | 	  devices. | 
 |  | 
 | config DMA_SUN4I | 
 | 	tristate "Allwinner A10 DMA SoCs support" | 
 | 	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I | 
 | 	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Enable support for the DMA controller present in the sun4i, | 
 | 	  sun5i and sun7i Allwinner ARM SoCs. | 
 |  | 
 | config DMA_SUN6I | 
 | 	tristate "Allwinner A31 SoCs DMA support" | 
 | 	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST | 
 | 	depends on RESET_CONTROLLER | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support for the DMA engine first found in Allwinner A31 SoCs. | 
 |  | 
 | config DW_AXI_DMAC | 
 | 	tristate "Synopsys DesignWare AXI DMA support" | 
 | 	depends on OF || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Enable support for Synopsys DesignWare AXI DMA controller. | 
 | 	  NOTE: This driver wasn't tested on 64 bit platform because | 
 | 	  of lack 64 bit platform with Synopsys DW AXI DMAC. | 
 |  | 
 | config EP93XX_DMA | 
 | 	bool "Cirrus Logic EP93xx DMA support" | 
 | 	depends on ARCH_EP93XX || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. | 
 |  | 
 | config FSL_DMA | 
 | 	tristate "Freescale Elo series DMA support" | 
 | 	depends on FSL_SOC | 
 | 	select DMA_ENGINE | 
 | 	select ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	---help--- | 
 | 	  Enable support for the Freescale Elo series DMA controllers. | 
 | 	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the | 
 | 	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on | 
 | 	  some Txxx and Bxxx parts. | 
 |  | 
 | config FSL_EDMA | 
 | 	tristate "Freescale eDMA engine support" | 
 | 	depends on OF | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support the Freescale eDMA engine with programmable channel | 
 | 	  multiplexing capability for DMA request sources(slot). | 
 | 	  This module can be found on Freescale Vybrid and LS-1 SoCs. | 
 |  | 
 | config FSL_QDMA | 
 | 	tristate "NXP Layerscape qDMA engine support" | 
 | 	depends on ARM || ARM64 | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	select DMA_ENGINE_RAID | 
 | 	select ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	help | 
 | 	 Support the NXP Layerscape qDMA engine with command queue and legacy mode. | 
 | 	 Channel virtualization is supported through enqueuing of DMA jobs to, | 
 | 	 or dequeuing DMA jobs from, different work queues. | 
 | 	 This module can be found on NXP Layerscape SoCs. | 
 | 	  The qdma driver only work on  SoCs with a DPAA hardware block. | 
 |  | 
 | config FSL_RAID | 
 | 	tristate "Freescale RAID engine Support" | 
 | 	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	select DMA_ENGINE | 
 | 	select DMA_ENGINE_RAID | 
 | 	---help--- | 
 | 	  Enable support for Freescale RAID Engine. RAID Engine is | 
 | 	  available on some QorIQ SoCs (like P5020/P5040). It has | 
 | 	  the capability to offload memcpy, xor and pq computation | 
 | 	  for raid5/6. | 
 |  | 
 | config HISI_DMA | 
 | 	tristate "HiSilicon DMA Engine support" | 
 | 	depends on ARM64 || COMPILE_TEST | 
 | 	depends on PCI_MSI | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support HiSilicon Kunpeng DMA engine. | 
 |  | 
 | config IMG_MDC_DMA | 
 | 	tristate "IMG MDC support" | 
 | 	depends on MIPS || COMPILE_TEST | 
 | 	depends on MFD_SYSCON | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Enable support for the IMG multi-threaded DMA controller (MDC). | 
 |  | 
 | config IMX_DMA | 
 | 	tristate "i.MX DMA support" | 
 | 	depends on ARCH_MXC | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Support the i.MX DMA engine. This engine is integrated into | 
 | 	  Freescale i.MX1/21/27 chips. | 
 |  | 
 | config IMX_SDMA | 
 | 	tristate "i.MX SDMA support" | 
 | 	depends on ARCH_MXC | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support the i.MX SDMA engine. This engine is integrated into | 
 | 	  Freescale i.MX25/31/35/51/53/6 chips. | 
 |  | 
 | config INTEL_IDMA64 | 
 | 	tristate "Intel integrated DMA 64-bit support" | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Enable DMA support for Intel Low Power Subsystem such as found on | 
 | 	  Intel Skylake PCH. | 
 |  | 
 | config INTEL_IDXD | 
 | 	tristate "Intel Data Accelerators support" | 
 | 	depends on PCI && X86_64 | 
 | 	select DMA_ENGINE | 
 | 	select SBITMAP | 
 | 	help | 
 | 	  Enable support for the Intel(R) data accelerators present | 
 | 	  in Intel Xeon CPU. | 
 |  | 
 | 	  Say Y if you have such a platform. | 
 |  | 
 | 	  If unsure, say N. | 
 |  | 
 | config INTEL_IOATDMA | 
 | 	tristate "Intel I/OAT DMA support" | 
 | 	depends on PCI && X86_64 | 
 | 	select DMA_ENGINE | 
 | 	select DMA_ENGINE_RAID | 
 | 	select DCA | 
 | 	help | 
 | 	  Enable support for the Intel(R) I/OAT DMA engine present | 
 | 	  in recent Intel Xeon chipsets. | 
 |  | 
 | 	  Say Y here if you have such a chipset. | 
 |  | 
 | 	  If unsure, say N. | 
 |  | 
 | config INTEL_IOP_ADMA | 
 | 	tristate "Intel IOP32x ADMA support" | 
 | 	depends on ARCH_IOP32X || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	help | 
 | 	  Enable support for the Intel(R) IOP Series RAID engines. | 
 |  | 
 | config INTEL_MIC_X100_DMA | 
 | 	tristate "Intel MIC X100 DMA Driver" | 
 | 	depends on 64BIT && X86 && INTEL_MIC_BUS | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  This enables DMA support for the Intel Many Integrated Core | 
 | 	  (MIC) family of PCIe form factor coprocessor X100 devices that | 
 | 	  run a 64 bit Linux OS. This driver will be used by both MIC | 
 | 	  host and card drivers. | 
 |  | 
 | 	  If you are building host kernel with a MIC device or a card | 
 | 	  kernel for a MIC device, then say M (recommended) or Y, else | 
 | 	  say N. If unsure say N. | 
 |  | 
 | 	  More information about the Intel MIC family as well as the Linux | 
 | 	  OS and tools for MIC to use with this driver are available from | 
 | 	  <http://software.intel.com/en-us/mic-developer>. | 
 |  | 
 | config K3_DMA | 
 | 	tristate "Hisilicon K3 DMA support" | 
 | 	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support the DMA engine for Hisilicon K3 platform | 
 | 	  devices. | 
 |  | 
 | config LPC18XX_DMAMUX | 
 | 	bool "NXP LPC18xx/43xx DMA MUX for PL080" | 
 | 	depends on ARCH_LPC18XX || COMPILE_TEST | 
 | 	depends on OF && AMBA_PL08X | 
 | 	select MFD_SYSCON | 
 | 	help | 
 | 	  Enable support for DMA on NXP LPC18xx/43xx platforms | 
 | 	  with PL080 and multiplexed DMA request lines. | 
 |  | 
 | config MCF_EDMA | 
 | 	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" | 
 | 	depends on M5441x || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support the Freescale ColdFire eDMA engine, 64-channel | 
 | 	  implementation that performs complex data transfers with | 
 | 	  minimal intervention from a host processor. | 
 | 	  This module can be found on Freescale ColdFire mcf5441x SoCs. | 
 |  | 
 | config MILBEAUT_HDMAC | 
 | 	tristate "Milbeaut AHB DMA support" | 
 | 	depends on ARCH_MILBEAUT || COMPILE_TEST | 
 | 	depends on OF | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Say yes here to support the Socionext Milbeaut | 
 | 	  HDMAC device. | 
 |  | 
 | config MILBEAUT_XDMAC | 
 | 	tristate "Milbeaut AXI DMA support" | 
 | 	depends on ARCH_MILBEAUT || COMPILE_TEST | 
 | 	depends on OF | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Say yes here to support the Socionext Milbeaut | 
 | 	  XDMAC device. | 
 |  | 
 | config MMP_PDMA | 
 | 	bool "MMP PDMA support" | 
 | 	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Support the MMP PDMA engine for PXA and MMP platform. | 
 |  | 
 | config MMP_TDMA | 
 | 	bool "MMP Two-Channel DMA support" | 
 | 	depends on ARCH_MMP || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select MMP_SRAM if ARCH_MMP | 
 | 	select GENERIC_ALLOCATOR | 
 | 	help | 
 | 	  Support the MMP Two-Channel DMA engine. | 
 | 	  This engine used for MMP Audio DMA and pxa910 SQU. | 
 | 	  It needs sram driver under mach-mmp. | 
 |  | 
 | config MOXART_DMA | 
 | 	tristate "MOXART DMA support" | 
 | 	depends on ARCH_MOXART | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Enable support for the MOXA ART SoC DMA controller. | 
 |   | 
 | 	  Say Y here if you enabled MMP ADMA, otherwise say N. | 
 |  | 
 | config MPC512X_DMA | 
 | 	tristate "Freescale MPC512x built-in DMA engine support" | 
 | 	depends on PPC_MPC512x || PPC_MPC831x | 
 | 	select DMA_ENGINE | 
 | 	---help--- | 
 | 	  Enable support for the Freescale MPC512x built-in DMA engine. | 
 |  | 
 | config MV_XOR | 
 | 	bool "Marvell XOR engine support" | 
 | 	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_ENGINE_RAID | 
 | 	select ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	---help--- | 
 | 	  Enable support for the Marvell XOR engine. | 
 |  | 
 | config MV_XOR_V2 | 
 | 	bool "Marvell XOR engine version 2 support " | 
 | 	depends on ARM64 | 
 | 	select DMA_ENGINE | 
 | 	select DMA_ENGINE_RAID | 
 | 	select ASYNC_TX_ENABLE_CHANNEL_SWITCH | 
 | 	select GENERIC_MSI_IRQ_DOMAIN | 
 | 	---help--- | 
 | 	  Enable support for the Marvell version 2 XOR engine. | 
 |  | 
 | 	  This engine provides acceleration for copy, XOR and RAID6 | 
 | 	  operations, and is available on Marvell Armada 7K and 8K | 
 | 	  platforms. | 
 |  | 
 | config MXS_DMA | 
 | 	bool "MXS DMA support" | 
 | 	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST | 
 | 	select STMP_DEVICE | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Support the MXS DMA engine. This engine including APBH-DMA | 
 | 	  and APBX-DMA is integrated into some Freescale chips. | 
 |  | 
 | config MX3_IPU | 
 | 	bool "MX3x Image Processing Unit support" | 
 | 	depends on ARCH_MXC | 
 | 	select DMA_ENGINE | 
 | 	default y | 
 | 	help | 
 | 	  If you plan to use the Image Processing unit in the i.MX3x, say | 
 | 	  Y here. If unsure, select Y. | 
 |  | 
 | config MX3_IPU_IRQS | 
 | 	int "Number of dynamically mapped interrupts for IPU" | 
 | 	depends on MX3_IPU | 
 | 	range 2 137 | 
 | 	default 4 | 
 | 	help | 
 | 	  Out of 137 interrupt sources on i.MX31 IPU only very few are used. | 
 | 	  To avoid bloating the irq_desc[] array we allocate a sufficient | 
 | 	  number of IRQ slots and map them dynamically to specific sources. | 
 |  | 
 | config NBPFAXI_DMA | 
 | 	tristate "Renesas Type-AXI NBPF DMA support" | 
 | 	select DMA_ENGINE | 
 | 	depends on ARM || COMPILE_TEST | 
 | 	help | 
 | 	  Support for "Type-AXI" NBPF DMA IPs from Renesas | 
 |  | 
 | config OWL_DMA | 
 | 	tristate "Actions Semi Owl SoCs DMA support" | 
 | 	depends on ARCH_ACTIONS | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Enable support for the Actions Semi Owl SoCs DMA controller. | 
 |  | 
 | config PCH_DMA | 
 | 	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" | 
 | 	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 SIRF_DMA | 
 | 	tristate "CSR SiRFprimaII/SiRFmarco DMA support" | 
 | 	depends on ARCH_SIRF | 
 | 	select DMA_ENGINE | 
 | 	help | 
 | 	  Enable support for the CSR SiRFprimaII DMA engine. | 
 |  | 
 | 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 ZX_DMA | 
 | 	tristate "ZTE ZX DMA support" | 
 | 	depends on ARCH_ZX || COMPILE_TEST | 
 | 	select DMA_ENGINE | 
 | 	select DMA_VIRTUAL_CHANNELS | 
 | 	help | 
 | 	  Support the DMA engine for ZTE ZX family platform devices. | 
 |  | 
 |  | 
 | # driver files | 
 | source "drivers/dma/bestcomm/Kconfig" | 
 |  | 
 | source "drivers/dma/mediatek/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" | 
 |  | 
 | # 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 |