1 # SPDX-License-Identifier: GPL-2.0-only
3 # DMA engine configuration
7 bool "DMA Engine support"
10 DMA engines can do asynchronous data transfers without
11 involving the host CPU. Currently, this framework can be
12 used to offload memory copies in the network stack and
13 RAID operations in the MD driver. This menu only presents
14 DMA Device drivers supported by the configured arch, it may
15 be empty in some cases.
17 config DMADEVICES_DEBUG
18 bool "DMA Engine debugging"
19 depends on DMADEVICES != n
21 This is an option for use by developers; most people should
22 say N here. This enables DMA engine core and driver debugging.
24 config DMADEVICES_VDEBUG
25 bool "DMA Engine verbose debugging"
26 depends on DMADEVICES_DEBUG != n
28 This is an option for use by developers; most people should
29 say N here. This enables deeper (more verbose) debugging of
30 the DMA engine core and drivers.
38 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
41 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
47 config DMA_VIRTUAL_CHANNELS
61 tristate "Altera / Intel mSGDMA Engine"
65 Enable support for Altera / Intel mSGDMA controller.
68 bool "ARM PrimeCell PL080 or PL081 support"
71 select DMA_VIRTUAL_CHANNELS
73 Say yes if your platform has a PL08x DMAC device which can
74 provide DMA engine support. This includes the original ARM
75 PL080 and PL081, Samsungs PL080 derivative and Faraday
76 Technology's FTDMAC020 PL080 derivative.
78 config AMCC_PPC440SPE_ADMA
79 tristate "AMCC PPC440SPe ADMA support"
80 depends on 440SPe || 440SP
82 select DMA_ENGINE_RAID
83 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
86 Enable support for the AMCC PPC440SPe RAID engines.
89 tristate "Atmel AHB DMA support"
93 Support the Atmel AHB DMA controller.
96 tristate "Atmel XDMA support"
100 Support the Atmel XDMA controller.
103 tristate "Analog Devices AXI-DMAC DMA support"
104 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
106 select DMA_VIRTUAL_CHANNELS
109 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
110 controller is often used in Analog Devices' reference designs for FPGA
114 tristate "Broadcom SBA RAID engine support"
115 depends on ARM64 || COMPILE_TEST
116 depends on MAILBOX && RAID6_PQ
118 select DMA_ENGINE_RAID
119 select ASYNC_TX_DISABLE_XOR_VAL_DMA
120 select ASYNC_TX_DISABLE_PQ_VAL_DMA
121 default m if ARCH_BCM_IPROC
123 Enable support for Broadcom SBA RAID Engine. The SBA RAID
124 engine is available on most of the Broadcom iProc SoCs. It
125 has the capability to offload memcpy, xor and pq computation
129 tristate "BCM2835 DMA engine support"
130 depends on ARCH_BCM2835
132 select DMA_VIRTUAL_CHANNELS
135 tristate "JZ4780 DMA support"
136 depends on MIPS || COMPILE_TEST
138 select DMA_VIRTUAL_CHANNELS
140 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
141 If you have a board based on such a SoC and wish to use DMA for
142 devices which can use the DMA controller, say Y or M here.
145 tristate "SA-11x0 DMA support"
146 depends on ARCH_SA1100 || COMPILE_TEST
148 select DMA_VIRTUAL_CHANNELS
150 Support the DMA engine found on Intel StrongARM SA-1100 and
151 SA-1110 SoCs. This DMA engine can only be used with on-chip
155 tristate "Allwinner A10 DMA SoCs support"
156 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
157 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
159 select DMA_VIRTUAL_CHANNELS
161 Enable support for the DMA controller present in the sun4i,
162 sun5i and sun7i Allwinner ARM SoCs.
165 tristate "Allwinner A31 SoCs DMA support"
166 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
167 depends on RESET_CONTROLLER
169 select DMA_VIRTUAL_CHANNELS
171 Support for the DMA engine first found in Allwinner A31 SoCs.
174 tristate "Synopsys DesignWare AXI DMA support"
175 depends on OF || COMPILE_TEST
178 select DMA_VIRTUAL_CHANNELS
180 Enable support for Synopsys DesignWare AXI DMA controller.
181 NOTE: This driver wasn't tested on 64 bit platform because
182 of lack 64 bit platform with Synopsys DW AXI DMAC.
184 config DW_AXI_DMAC_STARFIVE
185 tristate "Synopsys DesignWare AXI DMA support for StarFive SOC"
186 depends on SOC_STARFIVE_VIC7100
188 Enable support for Synopsys DesignWare AXI DMA controller.
189 NOTE: It's for StarFive SOC.
192 bool "Cirrus Logic EP93xx DMA support"
193 depends on ARCH_EP93XX || COMPILE_TEST
196 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
199 tristate "Freescale Elo series DMA support"
202 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
204 Enable support for the Freescale Elo series DMA controllers.
205 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
206 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
207 some Txxx and Bxxx parts.
210 tristate "Freescale eDMA engine support"
213 select DMA_VIRTUAL_CHANNELS
215 Support the Freescale eDMA engine with programmable channel
216 multiplexing capability for DMA request sources(slot).
217 This module can be found on Freescale Vybrid and LS-1 SoCs.
220 tristate "NXP Layerscape qDMA engine support"
221 depends on ARM || ARM64
223 select DMA_VIRTUAL_CHANNELS
224 select DMA_ENGINE_RAID
225 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
227 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
228 Channel virtualization is supported through enqueuing of DMA jobs to,
229 or dequeuing DMA jobs from, different work queues.
230 This module can be found on NXP Layerscape SoCs.
231 The qdma driver only work on SoCs with a DPAA hardware block.
234 tristate "Freescale RAID engine Support"
235 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
237 select DMA_ENGINE_RAID
239 Enable support for Freescale RAID Engine. RAID Engine is
240 available on some QorIQ SoCs (like P5020/P5040). It has
241 the capability to offload memcpy, xor and pq computation
245 tristate "HiSilicon DMA Engine support"
246 depends on ARM64 || COMPILE_TEST
249 select DMA_VIRTUAL_CHANNELS
251 Support HiSilicon Kunpeng DMA engine.
254 tristate "IMG MDC support"
255 depends on MIPS || COMPILE_TEST
256 depends on MFD_SYSCON
258 select DMA_VIRTUAL_CHANNELS
260 Enable support for the IMG multi-threaded DMA controller (MDC).
263 tristate "i.MX DMA support"
267 Support the i.MX DMA engine. This engine is integrated into
268 Freescale i.MX1/21/27 chips.
271 tristate "i.MX SDMA support"
274 select DMA_VIRTUAL_CHANNELS
276 Support the i.MX SDMA engine. This engine is integrated into
277 Freescale i.MX25/31/35/51/53/6 chips.
280 tristate "Intel integrated DMA 64-bit support"
282 select DMA_VIRTUAL_CHANNELS
284 Enable DMA support for Intel Low Power Subsystem such as found on
287 config INTEL_IDXD_BUS
292 tristate "Intel Data Accelerators support"
293 depends on PCI && X86_64 && !UML
299 Enable support for the Intel(R) data accelerators present
302 Say Y if you have such a platform.
306 config INTEL_IDXD_COMPAT
307 bool "Legacy behavior for idxd driver"
308 depends on PCI && X86_64
309 select INTEL_IDXD_BUS
311 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
312 The old behavior performed driver bind/unbind for device and wq
313 devices all under the dsa driver. The compat driver will emulate
314 the legacy behavior in order to allow existing support apps (i.e.
315 accel-config) to continue function. It is expected that accel-config
316 v3.2 and earlier will need the compat mode. A distro with later
317 accel-config version can disable this compat config.
319 Say Y if you have old applications that require such behavior.
323 # Config symbol that collects all the dependencies that's necessary to
324 # support shared virtual memory for the devices supported by idxd.
325 config INTEL_IDXD_SVM
326 bool "Accelerator Shared Virtual Memory Support"
327 depends on INTEL_IDXD
328 depends on INTEL_IOMMU_SVM
333 config INTEL_IDXD_PERFMON
334 bool "Intel Data Accelerators performance monitor support"
335 depends on INTEL_IDXD
337 Enable performance monitor (pmu) support for the Intel(R)
338 data accelerators present in Intel Xeon CPU. With this
339 enabled, perf can be used to monitor the DSA (Intel Data
340 Streaming Accelerator) events described in the Intel DSA
346 tristate "Intel I/OAT DMA support"
347 depends on PCI && X86_64 && !UML
349 select DMA_ENGINE_RAID
352 Enable support for the Intel(R) I/OAT DMA engine present
353 in recent Intel Xeon chipsets.
355 Say Y here if you have such a chipset.
359 config INTEL_IOP_ADMA
360 tristate "Intel IOP32x ADMA support"
361 depends on ARCH_IOP32X || COMPILE_TEST
363 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
365 Enable support for the Intel(R) IOP Series RAID engines.
368 tristate "Hisilicon K3 DMA support"
369 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
371 select DMA_VIRTUAL_CHANNELS
373 Support the DMA engine for Hisilicon K3 platform
376 config LPC18XX_DMAMUX
377 bool "NXP LPC18xx/43xx DMA MUX for PL080"
378 depends on ARCH_LPC18XX || COMPILE_TEST
379 depends on OF && AMBA_PL08X
382 Enable support for DMA on NXP LPC18xx/43xx platforms
383 with PL080 and multiplexed DMA request lines.
386 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
387 depends on M5441x || COMPILE_TEST
389 select DMA_VIRTUAL_CHANNELS
391 Support the Freescale ColdFire eDMA engine, 64-channel
392 implementation that performs complex data transfers with
393 minimal intervention from a host processor.
394 This module can be found on Freescale ColdFire mcf5441x SoCs.
396 config MILBEAUT_HDMAC
397 tristate "Milbeaut AHB DMA support"
398 depends on ARCH_MILBEAUT || COMPILE_TEST
401 select DMA_VIRTUAL_CHANNELS
403 Say yes here to support the Socionext Milbeaut
406 config MILBEAUT_XDMAC
407 tristate "Milbeaut AXI DMA support"
408 depends on ARCH_MILBEAUT || COMPILE_TEST
411 select DMA_VIRTUAL_CHANNELS
413 Say yes here to support the Socionext Milbeaut
417 tristate "MMP PDMA support"
418 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
421 Support the MMP PDMA engine for PXA and MMP platform.
424 tristate "MMP Two-Channel DMA support"
425 depends on ARCH_MMP || COMPILE_TEST
427 select GENERIC_ALLOCATOR
429 Support the MMP Two-Channel DMA engine.
430 This engine used for MMP Audio DMA and pxa910 SQU.
433 tristate "MOXART DMA support"
434 depends on ARCH_MOXART
436 select DMA_VIRTUAL_CHANNELS
438 Enable support for the MOXA ART SoC DMA controller.
440 Say Y here if you enabled MMP ADMA, otherwise say N.
443 tristate "Freescale MPC512x built-in DMA engine support"
444 depends on PPC_MPC512x || PPC_MPC831x
447 Enable support for the Freescale MPC512x built-in DMA engine.
450 bool "Marvell XOR engine support"
451 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
453 select DMA_ENGINE_RAID
454 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
456 Enable support for the Marvell XOR engine.
459 bool "Marvell XOR engine version 2 support "
462 select DMA_ENGINE_RAID
463 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
464 select GENERIC_MSI_IRQ_DOMAIN
466 Enable support for the Marvell version 2 XOR engine.
468 This engine provides acceleration for copy, XOR and RAID6
469 operations, and is available on Marvell Armada 7K and 8K
473 bool "MXS DMA support"
474 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
478 Support the MXS DMA engine. This engine including APBH-DMA
479 and APBX-DMA is integrated into some Freescale chips.
482 bool "MX3x Image Processing Unit support"
487 If you plan to use the Image Processing unit in the i.MX3x, say
488 Y here. If unsure, select Y.
491 int "Number of dynamically mapped interrupts for IPU"
496 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
497 To avoid bloating the irq_desc[] array we allocate a sufficient
498 number of IRQ slots and map them dynamically to specific sources.
501 tristate "Renesas Type-AXI NBPF DMA support"
503 depends on ARM || COMPILE_TEST
505 Support for "Type-AXI" NBPF DMA IPs from Renesas
508 tristate "Actions Semi Owl SoCs DMA support"
509 depends on ARCH_ACTIONS
511 select DMA_VIRTUAL_CHANNELS
513 Enable support for the Actions Semi Owl SoCs DMA controller.
516 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
517 depends on PCI && (X86_32 || COMPILE_TEST)
520 Enable support for Intel EG20T PCH DMA engine.
522 This driver also can be used for LAPIS Semiconductor IOH(Input/
523 Output Hub), ML7213, ML7223 and ML7831.
524 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
525 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
526 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
527 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
530 tristate "DMA API Driver for PL330"
534 Select if your platform has one or more PL330 DMACs.
535 You need to provide platform specific settings via
536 platform_data for a dma-pl330 device.
539 bool "PXA DMA support"
540 depends on (ARCH_MMP || ARCH_PXA)
542 select DMA_VIRTUAL_CHANNELS
544 Support the DMA engine for PXA. It is also compatible with MMP PDMA
545 platform. The internal DMA IP of all PXA variants is supported, with
546 16 to 32 channels for peripheral to memory or memory to memory
550 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
554 Some PLX ExpressLane PCI Switches support additional DMA engines.
555 These are exposed via extra functions on the switch's
556 upstream port. Each function exposes one DMA channel.
559 bool "ST-Ericsson DMA40 support"
560 depends on ARCH_U8500
563 Support for ST-Ericsson DMA40 controller
566 tristate "ST FDMA dmaengine support"
568 depends on REMOTEPROC
569 select ST_SLIM_REMOTEPROC
571 select DMA_VIRTUAL_CHANNELS
573 Enable support for ST FDMA controller.
574 It supports 16 independent DMA channels, accepts up to 32 DMA requests
576 Say Y here if you have such a chipset.
580 bool "STMicroelectronics STM32 DMA support"
581 depends on ARCH_STM32 || COMPILE_TEST
583 select DMA_VIRTUAL_CHANNELS
585 Enable support for the on-chip DMA controller on STMicroelectronics
587 If you have a board based on such a MCU and wish to use DMA say Y
591 bool "STMicroelectronics STM32 dma multiplexer support"
592 depends on STM32_DMA || COMPILE_TEST
594 Enable support for the on-chip DMA multiplexer on STMicroelectronics
596 If you have a board based on such a MCU and wish to use DMAMUX say Y
600 bool "STMicroelectronics STM32 master dma support"
601 depends on ARCH_STM32 || COMPILE_TEST
604 select DMA_VIRTUAL_CHANNELS
606 Enable support for the on-chip MDMA controller on STMicroelectronics
608 If you have a board based on STM32 SoC and wish to use the master DMA
612 tristate "Spreadtrum DMA support"
613 depends on ARCH_SPRD || COMPILE_TEST
615 select DMA_VIRTUAL_CHANNELS
617 Enable support for the on-chip DMA controller on Spreadtrum platform.
620 bool "Samsung S3C24XX DMA support"
621 depends on ARCH_S3C24XX || COMPILE_TEST
623 select DMA_VIRTUAL_CHANNELS
625 Support for the Samsung S3C24XX DMA controller driver. The
626 DMA controller is having multiple DMA channels which can be
627 configured for different peripherals like audio, UART, SPI.
628 The DMA controller can transfer data from memory to peripheral,
629 periphal to memory, periphal to periphal and memory to memory.
632 tristate "Toshiba TXx9 SoC DMA support"
633 depends on MACH_TX49XX || MACH_TX39XX
636 Support the TXx9 SoC internal DMA controller. This can be
637 integrated in chips such as the Toshiba TX4927/38/39.
639 config TEGRA20_APB_DMA
640 tristate "NVIDIA Tegra20 APB DMA support"
641 depends on ARCH_TEGRA || COMPILE_TEST
644 Support for the NVIDIA Tegra20 APB DMA controller driver. The
645 DMA controller is having multiple DMA channel which can be
646 configured for different peripherals like audio, UART, SPI,
647 I2C etc which is in APB bus.
648 This DMA controller transfers data from memory to peripheral fifo
649 or vice versa. It does not support memory to memory data transfer.
652 tristate "NVIDIA Tegra210 ADMA support"
653 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
655 select DMA_VIRTUAL_CHANNELS
657 Support for the NVIDIA Tegra210 ADMA controller driver. The
658 DMA controller has multiple DMA channels and is used to service
659 various audio clients in the Tegra210 audio processing engine
660 (APE). This DMA controller transfers data from memory to
661 peripheral and vice versa. It does not support memory to
662 memory data transfer.
665 tristate "Timberdale FPGA DMA support"
666 depends on MFD_TIMBERDALE || COMPILE_TEST
669 Enable support for the Timberdale FPGA DMA engine.
671 config UNIPHIER_MDMAC
672 tristate "UniPhier MIO DMAC"
673 depends on ARCH_UNIPHIER || COMPILE_TEST
676 select DMA_VIRTUAL_CHANNELS
678 Enable support for the MIO DMAC (Media I/O DMA controller) on the
679 UniPhier platform. This DMA controller is used as the external
680 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
682 config UNIPHIER_XDMAC
683 tristate "UniPhier XDMAC support"
684 depends on ARCH_UNIPHIER || COMPILE_TEST
687 select DMA_VIRTUAL_CHANNELS
689 Enable support for the XDMAC (external DMA controller) on the
690 UniPhier platform. This DMA controller can transfer data from
691 memory to memory, memory to peripheral and peripheral to memory.
694 tristate "APM X-Gene DMA support"
695 depends on ARCH_XGENE || COMPILE_TEST
697 select DMA_ENGINE_RAID
698 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
700 Enable support for the APM X-Gene SoC DMA engine.
703 tristate "Xilinx AXI DMAS Engine"
704 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
707 Enable support for Xilinx AXI VDMA Soft IP.
709 AXI VDMA engine provides high-bandwidth direct memory access
710 between memory and AXI4-Stream video type target
711 peripherals including peripherals which support AXI4-
712 Stream Video Protocol. It has two stream interfaces/
713 channels, Memory Mapped to Stream (MM2S) and Stream to
714 Memory Mapped (S2MM) for the data transfers.
715 AXI CDMA engine provides high-bandwidth direct memory access
716 between a memory-mapped source address and a memory-mapped
718 AXI DMA engine provides high-bandwidth one dimensional direct
719 memory access between memory and AXI4-Stream target peripherals.
720 AXI MCDMA engine provides high-bandwidth direct memory access
721 between memory and AXI4-Stream target peripherals. It provides
722 the scatter gather interface with multiple channels independent
723 configuration support.
725 config XILINX_ZYNQMP_DMA
726 tristate "Xilinx ZynqMP DMA Engine"
727 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
730 Enable support for Xilinx ZynqMP DMA controller.
732 config XILINX_ZYNQMP_DPDMA
733 tristate "Xilinx DPDMA Engine"
734 depends on HAS_IOMEM && OF
736 select DMA_VIRTUAL_CHANNELS
738 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
739 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
740 driver provides the dmaengine required by the DisplayPort subsystem
744 source "drivers/dma/bestcomm/Kconfig"
746 source "drivers/dma/mediatek/Kconfig"
748 source "drivers/dma/ptdma/Kconfig"
750 source "drivers/dma/qcom/Kconfig"
752 source "drivers/dma/dw/Kconfig"
754 source "drivers/dma/dw-edma/Kconfig"
756 source "drivers/dma/hsu/Kconfig"
758 source "drivers/dma/sf-pdma/Kconfig"
760 source "drivers/dma/sh/Kconfig"
762 source "drivers/dma/ti/Kconfig"
764 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
766 source "drivers/dma/lgm/Kconfig"
769 comment "DMA Clients"
770 depends on DMA_ENGINE
773 bool "Async_tx: Offload support for the async_tx api"
774 depends on DMA_ENGINE
776 This allows the async_tx api to take advantage of offload engines for
777 memcpy, memset, xor, and raid6 p+q operations. If your platform has
778 a dma engine that can perform raid operations and you have enabled
784 tristate "DMA Test client"
785 depends on DMA_ENGINE
786 select DMA_ENGINE_RAID
788 Simple DMA test client. Say N unless you're debugging a
791 config DMA_ENGINE_RAID