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"
64 Enable support for Altera / Intel mSGDMA controller.
67 bool "ARM PrimeCell PL080 or PL081 support"
70 select DMA_VIRTUAL_CHANNELS
72 Say yes if your platform has a PL08x DMAC device which can
73 provide DMA engine support. This includes the original ARM
74 PL080 and PL081, Samsungs PL080 derivative and Faraday
75 Technology's FTDMAC020 PL080 derivative.
77 config AMCC_PPC440SPE_ADMA
78 tristate "AMCC PPC440SPe ADMA support"
79 depends on 440SPe || 440SP
81 select DMA_ENGINE_RAID
82 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
83 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
85 Enable support for the AMCC PPC440SPe RAID engines.
88 tristate "Atmel AHB DMA support"
92 Support the Atmel AHB DMA controller.
95 tristate "Atmel XDMA support"
99 Support the Atmel XDMA controller.
102 tristate "Analog Devices AXI-DMAC DMA support"
103 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST
105 select DMA_VIRTUAL_CHANNELS
108 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
109 controller is often used in Analog Devices' reference designs for FPGA
113 tristate "Broadcom SBA RAID engine support"
114 depends on ARM64 || COMPILE_TEST
115 depends on MAILBOX && RAID6_PQ
117 select DMA_ENGINE_RAID
118 select ASYNC_TX_DISABLE_XOR_VAL_DMA
119 select ASYNC_TX_DISABLE_PQ_VAL_DMA
120 default m if ARCH_BCM_IPROC
122 Enable support for Broadcom SBA RAID Engine. The SBA RAID
123 engine is available on most of the Broadcom iProc SoCs. It
124 has the capability to offload memcpy, xor and pq computation
128 bool "ST-Ericsson COH901318 DMA support"
130 depends on ARCH_U300 || COMPILE_TEST
132 Enable support for ST-Ericsson COH 901 318 DMA.
135 tristate "BCM2835 DMA engine support"
136 depends on ARCH_BCM2835
138 select DMA_VIRTUAL_CHANNELS
141 tristate "JZ4780 DMA support"
142 depends on MIPS || COMPILE_TEST
144 select DMA_VIRTUAL_CHANNELS
146 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
147 If you have a board based on such a SoC and wish to use DMA for
148 devices which can use the DMA controller, say Y or M here.
151 tristate "SA-11x0 DMA support"
152 depends on ARCH_SA1100 || COMPILE_TEST
154 select DMA_VIRTUAL_CHANNELS
156 Support the DMA engine found on Intel StrongARM SA-1100 and
157 SA-1110 SoCs. This DMA engine can only be used with on-chip
161 tristate "Allwinner A10 DMA SoCs support"
162 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
163 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
165 select DMA_VIRTUAL_CHANNELS
167 Enable support for the DMA controller present in the sun4i,
168 sun5i and sun7i Allwinner ARM SoCs.
171 tristate "Allwinner A31 SoCs DMA support"
172 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
173 depends on RESET_CONTROLLER
175 select DMA_VIRTUAL_CHANNELS
177 Support for the DMA engine first found in Allwinner A31 SoCs.
180 tristate "Synopsys DesignWare AXI DMA support"
181 depends on OF || COMPILE_TEST
183 select DMA_VIRTUAL_CHANNELS
185 Enable support for Synopsys DesignWare AXI DMA controller.
186 NOTE: This driver wasn't tested on 64 bit platform because
187 of lack 64 bit platform with Synopsys DW AXI DMAC.
190 bool "Cirrus Logic EP93xx DMA support"
191 depends on ARCH_EP93XX || COMPILE_TEST
194 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
197 tristate "Freescale Elo series DMA support"
200 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
202 Enable support for the Freescale Elo series DMA controllers.
203 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
204 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
205 some Txxx and Bxxx parts.
208 tristate "Freescale eDMA engine support"
211 select DMA_VIRTUAL_CHANNELS
213 Support the Freescale eDMA engine with programmable channel
214 multiplexing capability for DMA request sources(slot).
215 This module can be found on Freescale Vybrid and LS-1 SoCs.
218 tristate "NXP Layerscape qDMA engine support"
219 depends on ARM || ARM64
221 select DMA_VIRTUAL_CHANNELS
222 select DMA_ENGINE_RAID
223 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
225 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
226 Channel virtualization is supported through enqueuing of DMA jobs to,
227 or dequeuing DMA jobs from, different work queues.
228 This module can be found on NXP Layerscape SoCs.
229 The qdma driver only work on SoCs with a DPAA hardware block.
232 tristate "Freescale RAID engine Support"
233 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
235 select DMA_ENGINE_RAID
237 Enable support for Freescale RAID Engine. RAID Engine is
238 available on some QorIQ SoCs (like P5020/P5040). It has
239 the capability to offload memcpy, xor and pq computation
243 tristate "HiSilicon DMA Engine support"
244 depends on ARM64 || COMPILE_TEST
247 select DMA_VIRTUAL_CHANNELS
249 Support HiSilicon Kunpeng DMA engine.
252 tristate "IMG MDC support"
253 depends on MIPS || COMPILE_TEST
254 depends on MFD_SYSCON
256 select DMA_VIRTUAL_CHANNELS
258 Enable support for the IMG multi-threaded DMA controller (MDC).
261 tristate "i.MX DMA support"
265 Support the i.MX DMA engine. This engine is integrated into
266 Freescale i.MX1/21/27 chips.
269 tristate "i.MX SDMA support"
272 select DMA_VIRTUAL_CHANNELS
274 Support the i.MX SDMA engine. This engine is integrated into
275 Freescale i.MX25/31/35/51/53/6 chips.
278 tristate "Intel integrated DMA 64-bit support"
280 select DMA_VIRTUAL_CHANNELS
282 Enable DMA support for Intel Low Power Subsystem such as found on
286 tristate "Intel Data Accelerators support"
287 depends on PCI && X86_64
292 Enable support for the Intel(R) data accelerators present
295 Say Y if you have such a platform.
299 # Config symbol that collects all the dependencies that's necessary to
300 # support shared virtual memory for the devices supported by idxd.
301 config INTEL_IDXD_SVM
302 bool "Accelerator Shared Virtual Memory Support"
303 depends on INTEL_IDXD
304 depends on INTEL_IOMMU_SVM
310 tristate "Intel I/OAT DMA support"
311 depends on PCI && X86_64
313 select DMA_ENGINE_RAID
316 Enable support for the Intel(R) I/OAT DMA engine present
317 in recent Intel Xeon chipsets.
319 Say Y here if you have such a chipset.
323 config INTEL_IOP_ADMA
324 tristate "Intel IOP32x ADMA support"
325 depends on ARCH_IOP32X || COMPILE_TEST
327 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
329 Enable support for the Intel(R) IOP Series RAID engines.
331 config INTEL_MIC_X100_DMA
332 tristate "Intel MIC X100 DMA Driver"
333 depends on 64BIT && X86 && INTEL_MIC_BUS
336 This enables DMA support for the Intel Many Integrated Core
337 (MIC) family of PCIe form factor coprocessor X100 devices that
338 run a 64 bit Linux OS. This driver will be used by both MIC
339 host and card drivers.
341 If you are building host kernel with a MIC device or a card
342 kernel for a MIC device, then say M (recommended) or Y, else
343 say N. If unsure say N.
345 More information about the Intel MIC family as well as the Linux
346 OS and tools for MIC to use with this driver are available from
347 <http://software.intel.com/en-us/mic-developer>.
350 tristate "Hisilicon K3 DMA support"
351 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
353 select DMA_VIRTUAL_CHANNELS
355 Support the DMA engine for Hisilicon K3 platform
358 config LPC18XX_DMAMUX
359 bool "NXP LPC18xx/43xx DMA MUX for PL080"
360 depends on ARCH_LPC18XX || COMPILE_TEST
361 depends on OF && AMBA_PL08X
364 Enable support for DMA on NXP LPC18xx/43xx platforms
365 with PL080 and multiplexed DMA request lines.
368 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
369 depends on M5441x || COMPILE_TEST
371 select DMA_VIRTUAL_CHANNELS
373 Support the Freescale ColdFire eDMA engine, 64-channel
374 implementation that performs complex data transfers with
375 minimal intervention from a host processor.
376 This module can be found on Freescale ColdFire mcf5441x SoCs.
378 config MILBEAUT_HDMAC
379 tristate "Milbeaut AHB DMA support"
380 depends on ARCH_MILBEAUT || COMPILE_TEST
383 select DMA_VIRTUAL_CHANNELS
385 Say yes here to support the Socionext Milbeaut
388 config MILBEAUT_XDMAC
389 tristate "Milbeaut AXI DMA support"
390 depends on ARCH_MILBEAUT || COMPILE_TEST
393 select DMA_VIRTUAL_CHANNELS
395 Say yes here to support the Socionext Milbeaut
399 bool "MMP PDMA support"
400 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
403 Support the MMP PDMA engine for PXA and MMP platform.
406 bool "MMP Two-Channel DMA support"
407 depends on ARCH_MMP || COMPILE_TEST
409 select GENERIC_ALLOCATOR
411 Support the MMP Two-Channel DMA engine.
412 This engine used for MMP Audio DMA and pxa910 SQU.
415 tristate "MOXART DMA support"
416 depends on ARCH_MOXART
418 select DMA_VIRTUAL_CHANNELS
420 Enable support for the MOXA ART SoC DMA controller.
422 Say Y here if you enabled MMP ADMA, otherwise say N.
425 tristate "Freescale MPC512x built-in DMA engine support"
426 depends on PPC_MPC512x || PPC_MPC831x
429 Enable support for the Freescale MPC512x built-in DMA engine.
432 bool "Marvell XOR engine support"
433 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
435 select DMA_ENGINE_RAID
436 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
438 Enable support for the Marvell XOR engine.
441 bool "Marvell XOR engine version 2 support "
444 select DMA_ENGINE_RAID
445 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
446 select GENERIC_MSI_IRQ_DOMAIN
448 Enable support for the Marvell version 2 XOR engine.
450 This engine provides acceleration for copy, XOR and RAID6
451 operations, and is available on Marvell Armada 7K and 8K
455 bool "MXS DMA support"
456 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
460 Support the MXS DMA engine. This engine including APBH-DMA
461 and APBX-DMA is integrated into some Freescale chips.
464 bool "MX3x Image Processing Unit support"
469 If you plan to use the Image Processing unit in the i.MX3x, say
470 Y here. If unsure, select Y.
473 int "Number of dynamically mapped interrupts for IPU"
478 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
479 To avoid bloating the irq_desc[] array we allocate a sufficient
480 number of IRQ slots and map them dynamically to specific sources.
483 tristate "Renesas Type-AXI NBPF DMA support"
485 depends on ARM || COMPILE_TEST
487 Support for "Type-AXI" NBPF DMA IPs from Renesas
490 tristate "Actions Semi Owl SoCs DMA support"
491 depends on ARCH_ACTIONS
493 select DMA_VIRTUAL_CHANNELS
495 Enable support for the Actions Semi Owl SoCs DMA controller.
498 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
499 depends on PCI && (X86_32 || COMPILE_TEST)
502 Enable support for Intel EG20T PCH DMA engine.
504 This driver also can be used for LAPIS Semiconductor IOH(Input/
505 Output Hub), ML7213, ML7223 and ML7831.
506 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
507 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
508 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
509 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
512 tristate "DMA API Driver for PL330"
516 Select if your platform has one or more PL330 DMACs.
517 You need to provide platform specific settings via
518 platform_data for a dma-pl330 device.
521 bool "PXA DMA support"
522 depends on (ARCH_MMP || ARCH_PXA)
524 select DMA_VIRTUAL_CHANNELS
526 Support the DMA engine for PXA. It is also compatible with MMP PDMA
527 platform. The internal DMA IP of all PXA variants is supported, with
528 16 to 32 channels for peripheral to memory or memory to memory
532 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
536 Some PLX ExpressLane PCI Switches support additional DMA engines.
537 These are exposed via extra functions on the switch's
538 upstream port. Each function exposes one DMA channel.
541 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
545 Enable support for the CSR SiRFprimaII DMA engine.
548 bool "ST-Ericsson DMA40 support"
549 depends on ARCH_U8500
552 Support for ST-Ericsson DMA40 controller
555 tristate "ST FDMA dmaengine support"
557 depends on REMOTEPROC
558 select ST_SLIM_REMOTEPROC
560 select DMA_VIRTUAL_CHANNELS
562 Enable support for ST FDMA controller.
563 It supports 16 independent DMA channels, accepts up to 32 DMA requests
565 Say Y here if you have such a chipset.
569 bool "STMicroelectronics STM32 DMA support"
570 depends on ARCH_STM32 || COMPILE_TEST
572 select DMA_VIRTUAL_CHANNELS
574 Enable support for the on-chip DMA controller on STMicroelectronics
576 If you have a board based on such a MCU and wish to use DMA say Y
580 bool "STMicroelectronics STM32 dma multiplexer support"
581 depends on STM32_DMA || COMPILE_TEST
583 Enable support for the on-chip DMA multiplexer on STMicroelectronics
585 If you have a board based on such a MCU and wish to use DMAMUX say Y
589 bool "STMicroelectronics STM32 master dma support"
590 depends on ARCH_STM32 || COMPILE_TEST
593 select DMA_VIRTUAL_CHANNELS
595 Enable support for the on-chip MDMA controller on STMicroelectronics
597 If you have a board based on STM32 SoC and wish to use the master DMA
601 tristate "Spreadtrum DMA support"
602 depends on ARCH_SPRD || COMPILE_TEST
604 select DMA_VIRTUAL_CHANNELS
606 Enable support for the on-chip DMA controller on Spreadtrum platform.
609 bool "Samsung S3C24XX DMA support"
610 depends on ARCH_S3C24XX || COMPILE_TEST
612 select DMA_VIRTUAL_CHANNELS
614 Support for the Samsung S3C24XX DMA controller driver. The
615 DMA controller is having multiple DMA channels which can be
616 configured for different peripherals like audio, UART, SPI.
617 The DMA controller can transfer data from memory to peripheral,
618 periphal to memory, periphal to periphal and memory to memory.
621 tristate "Toshiba TXx9 SoC DMA support"
622 depends on MACH_TX49XX || MACH_TX39XX
625 Support the TXx9 SoC internal DMA controller. This can be
626 integrated in chips such as the Toshiba TX4927/38/39.
628 config TEGRA20_APB_DMA
629 tristate "NVIDIA Tegra20 APB DMA support"
630 depends on ARCH_TEGRA || COMPILE_TEST
633 Support for the NVIDIA Tegra20 APB DMA controller driver. The
634 DMA controller is having multiple DMA channel which can be
635 configured for different peripherals like audio, UART, SPI,
636 I2C etc which is in APB bus.
637 This DMA controller transfers data from memory to peripheral fifo
638 or vice versa. It does not support memory to memory data transfer.
641 tristate "NVIDIA Tegra210 ADMA support"
642 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
644 select DMA_VIRTUAL_CHANNELS
646 Support for the NVIDIA Tegra210 ADMA controller driver. The
647 DMA controller has multiple DMA channels and is used to service
648 various audio clients in the Tegra210 audio processing engine
649 (APE). This DMA controller transfers data from memory to
650 peripheral and vice versa. It does not support memory to
651 memory data transfer.
654 tristate "Timberdale FPGA DMA support"
655 depends on MFD_TIMBERDALE || COMPILE_TEST
658 Enable support for the Timberdale FPGA DMA engine.
660 config UNIPHIER_MDMAC
661 tristate "UniPhier MIO DMAC"
662 depends on ARCH_UNIPHIER || COMPILE_TEST
665 select DMA_VIRTUAL_CHANNELS
667 Enable support for the MIO DMAC (Media I/O DMA controller) on the
668 UniPhier platform. This DMA controller is used as the external
669 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
671 config UNIPHIER_XDMAC
672 tristate "UniPhier XDMAC support"
673 depends on ARCH_UNIPHIER || COMPILE_TEST
676 select DMA_VIRTUAL_CHANNELS
678 Enable support for the XDMAC (external DMA controller) on the
679 UniPhier platform. This DMA controller can transfer data from
680 memory to memory, memory to peripheral and peripheral to memory.
683 tristate "APM X-Gene DMA support"
684 depends on ARCH_XGENE || COMPILE_TEST
686 select DMA_ENGINE_RAID
687 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
689 Enable support for the APM X-Gene SoC DMA engine.
692 tristate "Xilinx AXI DMAS Engine"
693 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
696 Enable support for Xilinx AXI VDMA Soft IP.
698 AXI VDMA engine provides high-bandwidth direct memory access
699 between memory and AXI4-Stream video type target
700 peripherals including peripherals which support AXI4-
701 Stream Video Protocol. It has two stream interfaces/
702 channels, Memory Mapped to Stream (MM2S) and Stream to
703 Memory Mapped (S2MM) for the data transfers.
704 AXI CDMA engine provides high-bandwidth direct memory access
705 between a memory-mapped source address and a memory-mapped
707 AXI DMA engine provides high-bandwidth one dimensional direct
708 memory access between memory and AXI4-Stream target peripherals.
709 AXI MCDMA engine provides high-bandwidth direct memory access
710 between memory and AXI4-Stream target peripherals. It provides
711 the scatter gather interface with multiple channels independent
712 configuration support.
714 config XILINX_ZYNQMP_DMA
715 tristate "Xilinx ZynqMP DMA Engine"
716 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
719 Enable support for Xilinx ZynqMP DMA controller.
721 config XILINX_ZYNQMP_DPDMA
722 tristate "Xilinx DPDMA Engine"
724 select DMA_VIRTUAL_CHANNELS
726 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
727 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
728 driver provides the dmaengine required by the DisplayPort subsystem
732 tristate "ZTE ZX DMA support"
733 depends on ARCH_ZX || COMPILE_TEST
735 select DMA_VIRTUAL_CHANNELS
737 Support the DMA engine for ZTE ZX family platform devices.
741 source "drivers/dma/bestcomm/Kconfig"
743 source "drivers/dma/mediatek/Kconfig"
745 source "drivers/dma/qcom/Kconfig"
747 source "drivers/dma/dw/Kconfig"
749 source "drivers/dma/dw-edma/Kconfig"
751 source "drivers/dma/hsu/Kconfig"
753 source "drivers/dma/sf-pdma/Kconfig"
755 source "drivers/dma/sh/Kconfig"
757 source "drivers/dma/ti/Kconfig"
759 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
762 comment "DMA Clients"
763 depends on DMA_ENGINE
766 bool "Async_tx: Offload support for the async_tx api"
767 depends on DMA_ENGINE
769 This allows the async_tx api to take advantage of offload engines for
770 memcpy, memset, xor, and raid6 p+q operations. If your platform has
771 a dma engine that can perform raid operations and you have enabled
777 tristate "DMA Test client"
778 depends on DMA_ENGINE
779 select DMA_ENGINE_RAID
781 Simple DMA test client. Say N unless you're debugging a
784 config DMA_ENGINE_RAID