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 INTEL_IDXD_COMPAT
299 bool "Legacy behavior for idxd driver"
300 depends on PCI && X86_64
301 select INTEL_IDXD_BUS
303 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
304 The old behavior performed driver bind/unbind for device and wq
305 devices all under the dsa driver. The compat driver will emulate
306 the legacy behavior in order to allow existing support apps (i.e.
307 accel-config) to continue function. It is expected that accel-config
308 v3.2 and earlier will need the compat mode. A distro with later
309 accel-config version can disable this compat config.
311 Say Y if you have old applications that require such behavior.
315 # Config symbol that collects all the dependencies that's necessary to
316 # support shared virtual memory for the devices supported by idxd.
317 config INTEL_IDXD_SVM
318 bool "Accelerator Shared Virtual Memory Support"
319 depends on INTEL_IDXD
320 depends on INTEL_IOMMU_SVM
325 config INTEL_IDXD_PERFMON
326 bool "Intel Data Accelerators performance monitor support"
327 depends on INTEL_IDXD
329 Enable performance monitor (pmu) support for the Intel(R)
330 data accelerators present in Intel Xeon CPU. With this
331 enabled, perf can be used to monitor the DSA (Intel Data
332 Streaming Accelerator) events described in the Intel DSA
338 tristate "Intel I/OAT DMA support"
339 depends on PCI && X86_64 && !UML
341 select DMA_ENGINE_RAID
344 Enable support for the Intel(R) I/OAT DMA engine present
345 in recent Intel Xeon chipsets.
347 Say Y here if you have such a chipset.
351 config INTEL_IOP_ADMA
352 tristate "Intel IOP32x ADMA support"
353 depends on ARCH_IOP32X || COMPILE_TEST
355 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
357 Enable support for the Intel(R) IOP Series RAID engines.
360 tristate "Hisilicon K3 DMA support"
361 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
363 select DMA_VIRTUAL_CHANNELS
365 Support the DMA engine for Hisilicon K3 platform
368 config LPC18XX_DMAMUX
369 bool "NXP LPC18xx/43xx DMA MUX for PL080"
370 depends on ARCH_LPC18XX || COMPILE_TEST
371 depends on OF && AMBA_PL08X
374 Enable support for DMA on NXP LPC18xx/43xx platforms
375 with PL080 and multiplexed DMA request lines.
378 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
379 depends on M5441x || COMPILE_TEST
381 select DMA_VIRTUAL_CHANNELS
383 Support the Freescale ColdFire eDMA engine, 64-channel
384 implementation that performs complex data transfers with
385 minimal intervention from a host processor.
386 This module can be found on Freescale ColdFire mcf5441x SoCs.
388 config MILBEAUT_HDMAC
389 tristate "Milbeaut AHB DMA support"
390 depends on ARCH_MILBEAUT || COMPILE_TEST
393 select DMA_VIRTUAL_CHANNELS
395 Say yes here to support the Socionext Milbeaut
398 config MILBEAUT_XDMAC
399 tristate "Milbeaut AXI DMA support"
400 depends on ARCH_MILBEAUT || COMPILE_TEST
403 select DMA_VIRTUAL_CHANNELS
405 Say yes here to support the Socionext Milbeaut
409 tristate "MMP PDMA support"
410 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
413 Support the MMP PDMA engine for PXA and MMP platform.
416 tristate "MMP Two-Channel DMA support"
417 depends on ARCH_MMP || COMPILE_TEST
419 select GENERIC_ALLOCATOR
421 Support the MMP Two-Channel DMA engine.
422 This engine used for MMP Audio DMA and pxa910 SQU.
425 tristate "MOXART DMA support"
426 depends on ARCH_MOXART
428 select DMA_VIRTUAL_CHANNELS
430 Enable support for the MOXA ART SoC DMA controller.
432 Say Y here if you enabled MMP ADMA, otherwise say N.
435 tristate "Freescale MPC512x built-in DMA engine support"
436 depends on PPC_MPC512x || PPC_MPC831x
439 Enable support for the Freescale MPC512x built-in DMA engine.
442 bool "Marvell XOR engine support"
443 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
445 select DMA_ENGINE_RAID
446 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
448 Enable support for the Marvell XOR engine.
451 bool "Marvell XOR engine version 2 support "
454 select DMA_ENGINE_RAID
455 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
456 select GENERIC_MSI_IRQ_DOMAIN
458 Enable support for the Marvell version 2 XOR engine.
460 This engine provides acceleration for copy, XOR and RAID6
461 operations, and is available on Marvell Armada 7K and 8K
465 bool "MXS DMA support"
466 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
470 Support the MXS DMA engine. This engine including APBH-DMA
471 and APBX-DMA is integrated into some Freescale chips.
474 bool "MX3x Image Processing Unit support"
479 If you plan to use the Image Processing unit in the i.MX3x, say
480 Y here. If unsure, select Y.
483 int "Number of dynamically mapped interrupts for IPU"
488 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
489 To avoid bloating the irq_desc[] array we allocate a sufficient
490 number of IRQ slots and map them dynamically to specific sources.
493 tristate "Renesas Type-AXI NBPF DMA support"
495 depends on ARM || COMPILE_TEST
497 Support for "Type-AXI" NBPF DMA IPs from Renesas
500 tristate "Actions Semi Owl SoCs DMA support"
501 depends on ARCH_ACTIONS
503 select DMA_VIRTUAL_CHANNELS
505 Enable support for the Actions Semi Owl SoCs DMA controller.
508 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
509 depends on PCI && (X86_32 || COMPILE_TEST)
512 Enable support for Intel EG20T PCH DMA engine.
514 This driver also can be used for LAPIS Semiconductor IOH(Input/
515 Output Hub), ML7213, ML7223 and ML7831.
516 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
517 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
518 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
519 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
522 tristate "DMA API Driver for PL330"
526 Select if your platform has one or more PL330 DMACs.
527 You need to provide platform specific settings via
528 platform_data for a dma-pl330 device.
531 bool "PXA DMA support"
532 depends on (ARCH_MMP || ARCH_PXA)
534 select DMA_VIRTUAL_CHANNELS
536 Support the DMA engine for PXA. It is also compatible with MMP PDMA
537 platform. The internal DMA IP of all PXA variants is supported, with
538 16 to 32 channels for peripheral to memory or memory to memory
542 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
546 Some PLX ExpressLane PCI Switches support additional DMA engines.
547 These are exposed via extra functions on the switch's
548 upstream port. Each function exposes one DMA channel.
551 bool "ST-Ericsson DMA40 support"
552 depends on ARCH_U8500
555 Support for ST-Ericsson DMA40 controller
558 tristate "ST FDMA dmaengine support"
560 depends on REMOTEPROC
561 select ST_SLIM_REMOTEPROC
563 select DMA_VIRTUAL_CHANNELS
565 Enable support for ST FDMA controller.
566 It supports 16 independent DMA channels, accepts up to 32 DMA requests
568 Say Y here if you have such a chipset.
572 bool "STMicroelectronics STM32 DMA support"
573 depends on ARCH_STM32 || COMPILE_TEST
575 select DMA_VIRTUAL_CHANNELS
577 Enable support for the on-chip DMA controller on STMicroelectronics
579 If you have a board based on such a MCU and wish to use DMA say Y
583 bool "STMicroelectronics STM32 dma multiplexer support"
584 depends on STM32_DMA || COMPILE_TEST
586 Enable support for the on-chip DMA multiplexer on STMicroelectronics
588 If you have a board based on such a MCU and wish to use DMAMUX say Y
592 bool "STMicroelectronics STM32 master dma support"
593 depends on ARCH_STM32 || COMPILE_TEST
596 select DMA_VIRTUAL_CHANNELS
598 Enable support for the on-chip MDMA controller on STMicroelectronics
600 If you have a board based on STM32 SoC and wish to use the master DMA
604 tristate "Spreadtrum DMA support"
605 depends on ARCH_SPRD || COMPILE_TEST
607 select DMA_VIRTUAL_CHANNELS
609 Enable support for the on-chip DMA controller on Spreadtrum platform.
612 bool "Samsung S3C24XX DMA support"
613 depends on ARCH_S3C24XX || COMPILE_TEST
615 select DMA_VIRTUAL_CHANNELS
617 Support for the Samsung S3C24XX DMA controller driver. The
618 DMA controller is having multiple DMA channels which can be
619 configured for different peripherals like audio, UART, SPI.
620 The DMA controller can transfer data from memory to peripheral,
621 periphal to memory, periphal to periphal and memory to memory.
624 tristate "Toshiba TXx9 SoC DMA support"
625 depends on MACH_TX49XX || MACH_TX39XX
628 Support the TXx9 SoC internal DMA controller. This can be
629 integrated in chips such as the Toshiba TX4927/38/39.
631 config TEGRA20_APB_DMA
632 tristate "NVIDIA Tegra20 APB DMA support"
633 depends on ARCH_TEGRA || COMPILE_TEST
636 Support for the NVIDIA Tegra20 APB DMA controller driver. The
637 DMA controller is having multiple DMA channel which can be
638 configured for different peripherals like audio, UART, SPI,
639 I2C etc which is in APB bus.
640 This DMA controller transfers data from memory to peripheral fifo
641 or vice versa. It does not support memory to memory data transfer.
644 tristate "NVIDIA Tegra210 ADMA support"
645 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
647 select DMA_VIRTUAL_CHANNELS
649 Support for the NVIDIA Tegra210 ADMA controller driver. The
650 DMA controller has multiple DMA channels and is used to service
651 various audio clients in the Tegra210 audio processing engine
652 (APE). This DMA controller transfers data from memory to
653 peripheral and vice versa. It does not support memory to
654 memory data transfer.
657 tristate "Timberdale FPGA DMA support"
658 depends on MFD_TIMBERDALE || COMPILE_TEST
661 Enable support for the Timberdale FPGA DMA engine.
663 config UNIPHIER_MDMAC
664 tristate "UniPhier MIO DMAC"
665 depends on ARCH_UNIPHIER || COMPILE_TEST
668 select DMA_VIRTUAL_CHANNELS
670 Enable support for the MIO DMAC (Media I/O DMA controller) on the
671 UniPhier platform. This DMA controller is used as the external
672 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
674 config UNIPHIER_XDMAC
675 tristate "UniPhier XDMAC support"
676 depends on ARCH_UNIPHIER || COMPILE_TEST
679 select DMA_VIRTUAL_CHANNELS
681 Enable support for the XDMAC (external DMA controller) on the
682 UniPhier platform. This DMA controller can transfer data from
683 memory to memory, memory to peripheral and peripheral to memory.
686 tristate "APM X-Gene DMA support"
687 depends on ARCH_XGENE || COMPILE_TEST
689 select DMA_ENGINE_RAID
690 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
692 Enable support for the APM X-Gene SoC DMA engine.
695 tristate "Xilinx AXI DMAS Engine"
696 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
699 Enable support for Xilinx AXI VDMA Soft IP.
701 AXI VDMA engine provides high-bandwidth direct memory access
702 between memory and AXI4-Stream video type target
703 peripherals including peripherals which support AXI4-
704 Stream Video Protocol. It has two stream interfaces/
705 channels, Memory Mapped to Stream (MM2S) and Stream to
706 Memory Mapped (S2MM) for the data transfers.
707 AXI CDMA engine provides high-bandwidth direct memory access
708 between a memory-mapped source address and a memory-mapped
710 AXI DMA engine provides high-bandwidth one dimensional direct
711 memory access between memory and AXI4-Stream target peripherals.
712 AXI MCDMA engine provides high-bandwidth direct memory access
713 between memory and AXI4-Stream target peripherals. It provides
714 the scatter gather interface with multiple channels independent
715 configuration support.
717 config XILINX_ZYNQMP_DMA
718 tristate "Xilinx ZynqMP DMA Engine"
719 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
722 Enable support for Xilinx ZynqMP DMA controller.
724 config XILINX_ZYNQMP_DPDMA
725 tristate "Xilinx DPDMA Engine"
726 depends on HAS_IOMEM && OF
728 select DMA_VIRTUAL_CHANNELS
730 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
731 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
732 driver provides the dmaengine required by the DisplayPort subsystem
736 source "drivers/dma/bestcomm/Kconfig"
738 source "drivers/dma/mediatek/Kconfig"
740 source "drivers/dma/qcom/Kconfig"
742 source "drivers/dma/dw/Kconfig"
744 source "drivers/dma/dw-edma/Kconfig"
746 source "drivers/dma/hsu/Kconfig"
748 source "drivers/dma/sf-pdma/Kconfig"
750 source "drivers/dma/sh/Kconfig"
752 source "drivers/dma/ti/Kconfig"
754 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
756 source "drivers/dma/lgm/Kconfig"
759 comment "DMA Clients"
760 depends on DMA_ENGINE
763 bool "Async_tx: Offload support for the async_tx api"
764 depends on DMA_ENGINE
766 This allows the async_tx api to take advantage of offload engines for
767 memcpy, memset, xor, and raid6 p+q operations. If your platform has
768 a dma engine that can perform raid operations and you have enabled
774 tristate "DMA Test client"
775 depends on DMA_ENGINE
776 select DMA_ENGINE_RAID
778 Simple DMA test client. Say N unless you're debugging a
781 config DMA_ENGINE_RAID