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.
185 bool "Cirrus Logic EP93xx DMA support"
186 depends on ARCH_EP93XX || COMPILE_TEST
189 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
192 tristate "Freescale Elo series DMA support"
195 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
197 Enable support for the Freescale Elo series DMA controllers.
198 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
199 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
200 some Txxx and Bxxx parts.
203 tristate "Freescale eDMA engine support"
206 select DMA_VIRTUAL_CHANNELS
208 Support the Freescale eDMA engine with programmable channel
209 multiplexing capability for DMA request sources(slot).
210 This module can be found on Freescale Vybrid and LS-1 SoCs.
213 tristate "NXP Layerscape qDMA engine support"
214 depends on ARM || ARM64
216 select DMA_VIRTUAL_CHANNELS
217 select DMA_ENGINE_RAID
218 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
220 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
221 Channel virtualization is supported through enqueuing of DMA jobs to,
222 or dequeuing DMA jobs from, different work queues.
223 This module can be found on NXP Layerscape SoCs.
224 The qdma driver only work on SoCs with a DPAA hardware block.
227 tristate "Freescale RAID engine Support"
228 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
230 select DMA_ENGINE_RAID
232 Enable support for Freescale RAID Engine. RAID Engine is
233 available on some QorIQ SoCs (like P5020/P5040). It has
234 the capability to offload memcpy, xor and pq computation
238 tristate "HiSilicon DMA Engine support"
239 depends on ARM64 || COMPILE_TEST
242 select DMA_VIRTUAL_CHANNELS
244 Support HiSilicon Kunpeng DMA engine.
247 tristate "IMG MDC support"
248 depends on MIPS || COMPILE_TEST
249 depends on MFD_SYSCON
251 select DMA_VIRTUAL_CHANNELS
253 Enable support for the IMG multi-threaded DMA controller (MDC).
256 tristate "i.MX DMA support"
260 Support the i.MX DMA engine. This engine is integrated into
261 Freescale i.MX1/21/27 chips.
264 tristate "i.MX SDMA support"
267 select DMA_VIRTUAL_CHANNELS
269 Support the i.MX SDMA engine. This engine is integrated into
270 Freescale i.MX25/31/35/51/53/6 chips.
273 tristate "Intel integrated DMA 64-bit support"
275 select DMA_VIRTUAL_CHANNELS
277 Enable DMA support for Intel Low Power Subsystem such as found on
280 config INTEL_IDXD_BUS
285 tristate "Intel Data Accelerators support"
286 depends on PCI && X86_64 && !UML
291 Enable support for the Intel(R) data accelerators present
294 Say Y if you have such a platform.
298 # Config symbol that collects all the dependencies that's necessary to
299 # support shared virtual memory for the devices supported by idxd.
300 config INTEL_IDXD_SVM
301 bool "Accelerator Shared Virtual Memory Support"
302 depends on INTEL_IDXD
303 depends on INTEL_IOMMU_SVM
308 config INTEL_IDXD_PERFMON
309 bool "Intel Data Accelerators performance monitor support"
310 depends on INTEL_IDXD
312 Enable performance monitor (pmu) support for the Intel(R)
313 data accelerators present in Intel Xeon CPU. With this
314 enabled, perf can be used to monitor the DSA (Intel Data
315 Streaming Accelerator) events described in the Intel DSA
321 tristate "Intel I/OAT DMA support"
322 depends on PCI && X86_64
324 select DMA_ENGINE_RAID
327 Enable support for the Intel(R) I/OAT DMA engine present
328 in recent Intel Xeon chipsets.
330 Say Y here if you have such a chipset.
334 config INTEL_IOP_ADMA
335 tristate "Intel IOP32x ADMA support"
336 depends on ARCH_IOP32X || COMPILE_TEST
338 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
340 Enable support for the Intel(R) IOP Series RAID engines.
343 tristate "Hisilicon K3 DMA support"
344 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
346 select DMA_VIRTUAL_CHANNELS
348 Support the DMA engine for Hisilicon K3 platform
351 config LPC18XX_DMAMUX
352 bool "NXP LPC18xx/43xx DMA MUX for PL080"
353 depends on ARCH_LPC18XX || COMPILE_TEST
354 depends on OF && AMBA_PL08X
357 Enable support for DMA on NXP LPC18xx/43xx platforms
358 with PL080 and multiplexed DMA request lines.
361 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
362 depends on M5441x || COMPILE_TEST
364 select DMA_VIRTUAL_CHANNELS
366 Support the Freescale ColdFire eDMA engine, 64-channel
367 implementation that performs complex data transfers with
368 minimal intervention from a host processor.
369 This module can be found on Freescale ColdFire mcf5441x SoCs.
371 config MILBEAUT_HDMAC
372 tristate "Milbeaut AHB DMA support"
373 depends on ARCH_MILBEAUT || COMPILE_TEST
376 select DMA_VIRTUAL_CHANNELS
378 Say yes here to support the Socionext Milbeaut
381 config MILBEAUT_XDMAC
382 tristate "Milbeaut AXI DMA support"
383 depends on ARCH_MILBEAUT || COMPILE_TEST
386 select DMA_VIRTUAL_CHANNELS
388 Say yes here to support the Socionext Milbeaut
392 tristate "MMP PDMA support"
393 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
396 Support the MMP PDMA engine for PXA and MMP platform.
399 tristate "MMP Two-Channel DMA support"
400 depends on ARCH_MMP || COMPILE_TEST
402 select GENERIC_ALLOCATOR
404 Support the MMP Two-Channel DMA engine.
405 This engine used for MMP Audio DMA and pxa910 SQU.
408 tristate "MOXART DMA support"
409 depends on ARCH_MOXART
411 select DMA_VIRTUAL_CHANNELS
413 Enable support for the MOXA ART SoC DMA controller.
415 Say Y here if you enabled MMP ADMA, otherwise say N.
418 tristate "Freescale MPC512x built-in DMA engine support"
419 depends on PPC_MPC512x || PPC_MPC831x
422 Enable support for the Freescale MPC512x built-in DMA engine.
425 bool "Marvell XOR engine support"
426 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
428 select DMA_ENGINE_RAID
429 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
431 Enable support for the Marvell XOR engine.
434 bool "Marvell XOR engine version 2 support "
437 select DMA_ENGINE_RAID
438 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
439 select GENERIC_MSI_IRQ_DOMAIN
441 Enable support for the Marvell version 2 XOR engine.
443 This engine provides acceleration for copy, XOR and RAID6
444 operations, and is available on Marvell Armada 7K and 8K
448 bool "MXS DMA support"
449 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
453 Support the MXS DMA engine. This engine including APBH-DMA
454 and APBX-DMA is integrated into some Freescale chips.
457 bool "MX3x Image Processing Unit support"
462 If you plan to use the Image Processing unit in the i.MX3x, say
463 Y here. If unsure, select Y.
466 int "Number of dynamically mapped interrupts for IPU"
471 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
472 To avoid bloating the irq_desc[] array we allocate a sufficient
473 number of IRQ slots and map them dynamically to specific sources.
476 tristate "Renesas Type-AXI NBPF DMA support"
478 depends on ARM || COMPILE_TEST
480 Support for "Type-AXI" NBPF DMA IPs from Renesas
483 tristate "Actions Semi Owl SoCs DMA support"
484 depends on ARCH_ACTIONS
486 select DMA_VIRTUAL_CHANNELS
488 Enable support for the Actions Semi Owl SoCs DMA controller.
491 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
492 depends on PCI && (X86_32 || COMPILE_TEST)
495 Enable support for Intel EG20T PCH DMA engine.
497 This driver also can be used for LAPIS Semiconductor IOH(Input/
498 Output Hub), ML7213, ML7223 and ML7831.
499 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
500 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
501 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
502 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
505 tristate "DMA API Driver for PL330"
509 Select if your platform has one or more PL330 DMACs.
510 You need to provide platform specific settings via
511 platform_data for a dma-pl330 device.
514 bool "PXA DMA support"
515 depends on (ARCH_MMP || ARCH_PXA)
517 select DMA_VIRTUAL_CHANNELS
519 Support the DMA engine for PXA. It is also compatible with MMP PDMA
520 platform. The internal DMA IP of all PXA variants is supported, with
521 16 to 32 channels for peripheral to memory or memory to memory
525 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
529 Some PLX ExpressLane PCI Switches support additional DMA engines.
530 These are exposed via extra functions on the switch's
531 upstream port. Each function exposes one DMA channel.
534 bool "ST-Ericsson DMA40 support"
535 depends on ARCH_U8500
538 Support for ST-Ericsson DMA40 controller
541 tristate "ST FDMA dmaengine support"
543 depends on REMOTEPROC
544 select ST_SLIM_REMOTEPROC
546 select DMA_VIRTUAL_CHANNELS
548 Enable support for ST FDMA controller.
549 It supports 16 independent DMA channels, accepts up to 32 DMA requests
551 Say Y here if you have such a chipset.
555 bool "STMicroelectronics STM32 DMA support"
556 depends on ARCH_STM32 || COMPILE_TEST
558 select DMA_VIRTUAL_CHANNELS
560 Enable support for the on-chip DMA controller on STMicroelectronics
562 If you have a board based on such a MCU and wish to use DMA say Y
566 bool "STMicroelectronics STM32 dma multiplexer support"
567 depends on STM32_DMA || COMPILE_TEST
569 Enable support for the on-chip DMA multiplexer on STMicroelectronics
571 If you have a board based on such a MCU and wish to use DMAMUX say Y
575 bool "STMicroelectronics STM32 master dma support"
576 depends on ARCH_STM32 || COMPILE_TEST
579 select DMA_VIRTUAL_CHANNELS
581 Enable support for the on-chip MDMA controller on STMicroelectronics
583 If you have a board based on STM32 SoC and wish to use the master DMA
587 tristate "Spreadtrum DMA support"
588 depends on ARCH_SPRD || COMPILE_TEST
590 select DMA_VIRTUAL_CHANNELS
592 Enable support for the on-chip DMA controller on Spreadtrum platform.
595 bool "Samsung S3C24XX DMA support"
596 depends on ARCH_S3C24XX || COMPILE_TEST
598 select DMA_VIRTUAL_CHANNELS
600 Support for the Samsung S3C24XX DMA controller driver. The
601 DMA controller is having multiple DMA channels which can be
602 configured for different peripherals like audio, UART, SPI.
603 The DMA controller can transfer data from memory to peripheral,
604 periphal to memory, periphal to periphal and memory to memory.
607 tristate "Toshiba TXx9 SoC DMA support"
608 depends on MACH_TX49XX || MACH_TX39XX
611 Support the TXx9 SoC internal DMA controller. This can be
612 integrated in chips such as the Toshiba TX4927/38/39.
614 config TEGRA20_APB_DMA
615 tristate "NVIDIA Tegra20 APB DMA support"
616 depends on ARCH_TEGRA || COMPILE_TEST
619 Support for the NVIDIA Tegra20 APB DMA controller driver. The
620 DMA controller is having multiple DMA channel which can be
621 configured for different peripherals like audio, UART, SPI,
622 I2C etc which is in APB bus.
623 This DMA controller transfers data from memory to peripheral fifo
624 or vice versa. It does not support memory to memory data transfer.
627 tristate "NVIDIA Tegra210 ADMA support"
628 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
630 select DMA_VIRTUAL_CHANNELS
632 Support for the NVIDIA Tegra210 ADMA controller driver. The
633 DMA controller has multiple DMA channels and is used to service
634 various audio clients in the Tegra210 audio processing engine
635 (APE). This DMA controller transfers data from memory to
636 peripheral and vice versa. It does not support memory to
637 memory data transfer.
640 tristate "Timberdale FPGA DMA support"
641 depends on MFD_TIMBERDALE || COMPILE_TEST
644 Enable support for the Timberdale FPGA DMA engine.
646 config UNIPHIER_MDMAC
647 tristate "UniPhier MIO DMAC"
648 depends on ARCH_UNIPHIER || COMPILE_TEST
651 select DMA_VIRTUAL_CHANNELS
653 Enable support for the MIO DMAC (Media I/O DMA controller) on the
654 UniPhier platform. This DMA controller is used as the external
655 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
657 config UNIPHIER_XDMAC
658 tristate "UniPhier XDMAC support"
659 depends on ARCH_UNIPHIER || COMPILE_TEST
662 select DMA_VIRTUAL_CHANNELS
664 Enable support for the XDMAC (external DMA controller) on the
665 UniPhier platform. This DMA controller can transfer data from
666 memory to memory, memory to peripheral and peripheral to memory.
669 tristate "APM X-Gene DMA support"
670 depends on ARCH_XGENE || COMPILE_TEST
672 select DMA_ENGINE_RAID
673 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
675 Enable support for the APM X-Gene SoC DMA engine.
678 tristate "Xilinx AXI DMAS Engine"
679 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
682 Enable support for Xilinx AXI VDMA Soft IP.
684 AXI VDMA engine provides high-bandwidth direct memory access
685 between memory and AXI4-Stream video type target
686 peripherals including peripherals which support AXI4-
687 Stream Video Protocol. It has two stream interfaces/
688 channels, Memory Mapped to Stream (MM2S) and Stream to
689 Memory Mapped (S2MM) for the data transfers.
690 AXI CDMA engine provides high-bandwidth direct memory access
691 between a memory-mapped source address and a memory-mapped
693 AXI DMA engine provides high-bandwidth one dimensional direct
694 memory access between memory and AXI4-Stream target peripherals.
695 AXI MCDMA engine provides high-bandwidth direct memory access
696 between memory and AXI4-Stream target peripherals. It provides
697 the scatter gather interface with multiple channels independent
698 configuration support.
700 config XILINX_ZYNQMP_DMA
701 tristate "Xilinx ZynqMP DMA Engine"
702 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
705 Enable support for Xilinx ZynqMP DMA controller.
707 config XILINX_ZYNQMP_DPDMA
708 tristate "Xilinx DPDMA Engine"
709 depends on HAS_IOMEM && OF
711 select DMA_VIRTUAL_CHANNELS
713 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
714 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
715 driver provides the dmaengine required by the DisplayPort subsystem
719 source "drivers/dma/bestcomm/Kconfig"
721 source "drivers/dma/mediatek/Kconfig"
723 source "drivers/dma/qcom/Kconfig"
725 source "drivers/dma/dw/Kconfig"
727 source "drivers/dma/dw-edma/Kconfig"
729 source "drivers/dma/hsu/Kconfig"
731 source "drivers/dma/sf-pdma/Kconfig"
733 source "drivers/dma/sh/Kconfig"
735 source "drivers/dma/ti/Kconfig"
737 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
739 source "drivers/dma/lgm/Kconfig"
742 comment "DMA Clients"
743 depends on DMA_ENGINE
746 bool "Async_tx: Offload support for the async_tx api"
747 depends on DMA_ENGINE
749 This allows the async_tx api to take advantage of offload engines for
750 memcpy, memset, xor, and raid6 p+q operations. If your platform has
751 a dma engine that can perform raid operations and you have enabled
757 tristate "DMA Test client"
758 depends on DMA_ENGINE
759 select DMA_ENGINE_RAID
761 Simple DMA test client. Say N unless you're debugging a
764 config DMA_ENGINE_RAID