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_INTEL_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 tristate "BCM2835 DMA engine support"
129 depends on ARCH_BCM2835
131 select DMA_VIRTUAL_CHANNELS
134 tristate "JZ4780 DMA support"
135 depends on MIPS || COMPILE_TEST
137 select DMA_VIRTUAL_CHANNELS
139 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
140 If you have a board based on such a SoC and wish to use DMA for
141 devices which can use the DMA controller, say Y or M here.
144 tristate "SA-11x0 DMA support"
145 depends on ARCH_SA1100 || COMPILE_TEST
147 select DMA_VIRTUAL_CHANNELS
149 Support the DMA engine found on Intel StrongARM SA-1100 and
150 SA-1110 SoCs. This DMA engine can only be used with on-chip
154 tristate "Allwinner A10 DMA SoCs support"
155 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
156 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
158 select DMA_VIRTUAL_CHANNELS
160 Enable support for the DMA controller present in the sun4i,
161 sun5i and sun7i Allwinner ARM SoCs.
164 tristate "Allwinner A31 SoCs DMA support"
165 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
166 depends on RESET_CONTROLLER
168 select DMA_VIRTUAL_CHANNELS
170 Support for the DMA engine first found in Allwinner A31 SoCs.
173 tristate "Synopsys DesignWare AXI DMA support"
174 depends on OF || COMPILE_TEST
177 select DMA_VIRTUAL_CHANNELS
179 Enable support for Synopsys DesignWare AXI DMA controller.
180 NOTE: This driver wasn't tested on 64 bit platform because
181 of lack 64 bit platform with Synopsys DW AXI DMAC.
184 bool "Cirrus Logic EP93xx DMA support"
185 depends on ARCH_EP93XX || COMPILE_TEST
188 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
191 tristate "Freescale Elo series DMA support"
194 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
196 Enable support for the Freescale Elo series DMA controllers.
197 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
198 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
199 some Txxx and Bxxx parts.
202 tristate "Freescale eDMA engine support"
205 select DMA_VIRTUAL_CHANNELS
207 Support the Freescale eDMA engine with programmable channel
208 multiplexing capability for DMA request sources(slot).
209 This module can be found on Freescale Vybrid and LS-1 SoCs.
212 tristate "NXP Layerscape qDMA engine support"
213 depends on ARM || ARM64
215 select DMA_VIRTUAL_CHANNELS
216 select DMA_ENGINE_RAID
217 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
219 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
220 Channel virtualization is supported through enqueuing of DMA jobs to,
221 or dequeuing DMA jobs from, different work queues.
222 This module can be found on NXP Layerscape SoCs.
223 The qdma driver only work on SoCs with a DPAA hardware block.
226 tristate "Freescale RAID engine Support"
227 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
229 select DMA_ENGINE_RAID
231 Enable support for Freescale RAID Engine. RAID Engine is
232 available on some QorIQ SoCs (like P5020/P5040). It has
233 the capability to offload memcpy, xor and pq computation
237 tristate "HiSilicon DMA Engine support"
238 depends on ARM64 || COMPILE_TEST
241 select DMA_VIRTUAL_CHANNELS
243 Support HiSilicon Kunpeng DMA engine.
246 tristate "IMG MDC support"
247 depends on MIPS || COMPILE_TEST
248 depends on MFD_SYSCON
250 select DMA_VIRTUAL_CHANNELS
252 Enable support for the IMG multi-threaded DMA controller (MDC).
255 tristate "i.MX DMA support"
259 Support the i.MX DMA engine. This engine is integrated into
260 Freescale i.MX1/21/27 chips.
263 tristate "i.MX SDMA support"
266 select DMA_VIRTUAL_CHANNELS
268 Support the i.MX SDMA engine. This engine is integrated into
269 Freescale i.MX25/31/35/51/53/6 chips.
272 tristate "Intel integrated DMA 64-bit support"
274 select DMA_VIRTUAL_CHANNELS
276 Enable DMA support for Intel Low Power Subsystem such as found on
280 tristate "Intel Data Accelerators support"
281 depends on PCI && X86_64
286 Enable support for the Intel(R) data accelerators present
289 Say Y if you have such a platform.
293 # Config symbol that collects all the dependencies that's necessary to
294 # support shared virtual memory for the devices supported by idxd.
295 config INTEL_IDXD_SVM
296 bool "Accelerator Shared Virtual Memory Support"
297 depends on INTEL_IDXD
298 depends on INTEL_IOMMU_SVM
304 tristate "Intel I/OAT DMA support"
305 depends on PCI && X86_64
307 select DMA_ENGINE_RAID
310 Enable support for the Intel(R) I/OAT DMA engine present
311 in recent Intel Xeon chipsets.
313 Say Y here if you have such a chipset.
317 config INTEL_IOP_ADMA
318 tristate "Intel IOP32x ADMA support"
319 depends on ARCH_IOP32X || COMPILE_TEST
321 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
323 Enable support for the Intel(R) IOP Series RAID engines.
326 tristate "Hisilicon K3 DMA support"
327 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
329 select DMA_VIRTUAL_CHANNELS
331 Support the DMA engine for Hisilicon K3 platform
334 config LPC18XX_DMAMUX
335 bool "NXP LPC18xx/43xx DMA MUX for PL080"
336 depends on ARCH_LPC18XX || COMPILE_TEST
337 depends on OF && AMBA_PL08X
340 Enable support for DMA on NXP LPC18xx/43xx platforms
341 with PL080 and multiplexed DMA request lines.
344 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
345 depends on M5441x || COMPILE_TEST
347 select DMA_VIRTUAL_CHANNELS
349 Support the Freescale ColdFire eDMA engine, 64-channel
350 implementation that performs complex data transfers with
351 minimal intervention from a host processor.
352 This module can be found on Freescale ColdFire mcf5441x SoCs.
354 config MILBEAUT_HDMAC
355 tristate "Milbeaut AHB DMA support"
356 depends on ARCH_MILBEAUT || COMPILE_TEST
359 select DMA_VIRTUAL_CHANNELS
361 Say yes here to support the Socionext Milbeaut
364 config MILBEAUT_XDMAC
365 tristate "Milbeaut AXI DMA support"
366 depends on ARCH_MILBEAUT || COMPILE_TEST
369 select DMA_VIRTUAL_CHANNELS
371 Say yes here to support the Socionext Milbeaut
375 tristate "MMP PDMA support"
376 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
379 Support the MMP PDMA engine for PXA and MMP platform.
382 tristate "MMP Two-Channel DMA support"
383 depends on ARCH_MMP || COMPILE_TEST
385 select GENERIC_ALLOCATOR
387 Support the MMP Two-Channel DMA engine.
388 This engine used for MMP Audio DMA and pxa910 SQU.
391 tristate "MOXART DMA support"
392 depends on ARCH_MOXART
394 select DMA_VIRTUAL_CHANNELS
396 Enable support for the MOXA ART SoC DMA controller.
398 Say Y here if you enabled MMP ADMA, otherwise say N.
401 tristate "Freescale MPC512x built-in DMA engine support"
402 depends on PPC_MPC512x || PPC_MPC831x
405 Enable support for the Freescale MPC512x built-in DMA engine.
408 bool "Marvell XOR engine support"
409 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
411 select DMA_ENGINE_RAID
412 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
414 Enable support for the Marvell XOR engine.
417 bool "Marvell XOR engine version 2 support "
420 select DMA_ENGINE_RAID
421 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
422 select GENERIC_MSI_IRQ_DOMAIN
424 Enable support for the Marvell version 2 XOR engine.
426 This engine provides acceleration for copy, XOR and RAID6
427 operations, and is available on Marvell Armada 7K and 8K
431 bool "MXS DMA support"
432 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
436 Support the MXS DMA engine. This engine including APBH-DMA
437 and APBX-DMA is integrated into some Freescale chips.
440 bool "MX3x Image Processing Unit support"
445 If you plan to use the Image Processing unit in the i.MX3x, say
446 Y here. If unsure, select Y.
449 int "Number of dynamically mapped interrupts for IPU"
454 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
455 To avoid bloating the irq_desc[] array we allocate a sufficient
456 number of IRQ slots and map them dynamically to specific sources.
459 tristate "Renesas Type-AXI NBPF DMA support"
461 depends on ARM || COMPILE_TEST
463 Support for "Type-AXI" NBPF DMA IPs from Renesas
466 tristate "Actions Semi Owl SoCs DMA support"
467 depends on ARCH_ACTIONS
469 select DMA_VIRTUAL_CHANNELS
471 Enable support for the Actions Semi Owl SoCs DMA controller.
474 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
475 depends on PCI && (X86_32 || COMPILE_TEST)
478 Enable support for Intel EG20T PCH DMA engine.
480 This driver also can be used for LAPIS Semiconductor IOH(Input/
481 Output Hub), ML7213, ML7223 and ML7831.
482 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
483 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
484 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
485 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
488 tristate "DMA API Driver for PL330"
492 Select if your platform has one or more PL330 DMACs.
493 You need to provide platform specific settings via
494 platform_data for a dma-pl330 device.
497 bool "PXA DMA support"
498 depends on (ARCH_MMP || ARCH_PXA)
500 select DMA_VIRTUAL_CHANNELS
502 Support the DMA engine for PXA. It is also compatible with MMP PDMA
503 platform. The internal DMA IP of all PXA variants is supported, with
504 16 to 32 channels for peripheral to memory or memory to memory
508 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
512 Some PLX ExpressLane PCI Switches support additional DMA engines.
513 These are exposed via extra functions on the switch's
514 upstream port. Each function exposes one DMA channel.
517 bool "ST-Ericsson DMA40 support"
518 depends on ARCH_U8500
521 Support for ST-Ericsson DMA40 controller
524 tristate "ST FDMA dmaengine support"
526 depends on REMOTEPROC
527 select ST_SLIM_REMOTEPROC
529 select DMA_VIRTUAL_CHANNELS
531 Enable support for ST FDMA controller.
532 It supports 16 independent DMA channels, accepts up to 32 DMA requests
534 Say Y here if you have such a chipset.
538 bool "STMicroelectronics STM32 DMA support"
539 depends on ARCH_STM32 || COMPILE_TEST
541 select DMA_VIRTUAL_CHANNELS
543 Enable support for the on-chip DMA controller on STMicroelectronics
545 If you have a board based on such a MCU and wish to use DMA say Y
549 bool "STMicroelectronics STM32 dma multiplexer support"
550 depends on STM32_DMA || COMPILE_TEST
552 Enable support for the on-chip DMA multiplexer on STMicroelectronics
554 If you have a board based on such a MCU and wish to use DMAMUX say Y
558 bool "STMicroelectronics STM32 master dma support"
559 depends on ARCH_STM32 || COMPILE_TEST
562 select DMA_VIRTUAL_CHANNELS
564 Enable support for the on-chip MDMA controller on STMicroelectronics
566 If you have a board based on STM32 SoC and wish to use the master DMA
570 tristate "Spreadtrum DMA support"
571 depends on ARCH_SPRD || COMPILE_TEST
573 select DMA_VIRTUAL_CHANNELS
575 Enable support for the on-chip DMA controller on Spreadtrum platform.
578 bool "Samsung S3C24XX DMA support"
579 depends on ARCH_S3C24XX || COMPILE_TEST
581 select DMA_VIRTUAL_CHANNELS
583 Support for the Samsung S3C24XX DMA controller driver. The
584 DMA controller is having multiple DMA channels which can be
585 configured for different peripherals like audio, UART, SPI.
586 The DMA controller can transfer data from memory to peripheral,
587 periphal to memory, periphal to periphal and memory to memory.
590 tristate "Toshiba TXx9 SoC DMA support"
591 depends on MACH_TX49XX || MACH_TX39XX
594 Support the TXx9 SoC internal DMA controller. This can be
595 integrated in chips such as the Toshiba TX4927/38/39.
597 config TEGRA20_APB_DMA
598 tristate "NVIDIA Tegra20 APB DMA support"
599 depends on ARCH_TEGRA || COMPILE_TEST
602 Support for the NVIDIA Tegra20 APB DMA controller driver. The
603 DMA controller is having multiple DMA channel which can be
604 configured for different peripherals like audio, UART, SPI,
605 I2C etc which is in APB bus.
606 This DMA controller transfers data from memory to peripheral fifo
607 or vice versa. It does not support memory to memory data transfer.
610 tristate "NVIDIA Tegra210 ADMA support"
611 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
613 select DMA_VIRTUAL_CHANNELS
615 Support for the NVIDIA Tegra210 ADMA controller driver. The
616 DMA controller has multiple DMA channels and is used to service
617 various audio clients in the Tegra210 audio processing engine
618 (APE). This DMA controller transfers data from memory to
619 peripheral and vice versa. It does not support memory to
620 memory data transfer.
623 tristate "Timberdale FPGA DMA support"
624 depends on MFD_TIMBERDALE || COMPILE_TEST
627 Enable support for the Timberdale FPGA DMA engine.
629 config UNIPHIER_MDMAC
630 tristate "UniPhier MIO DMAC"
631 depends on ARCH_UNIPHIER || COMPILE_TEST
634 select DMA_VIRTUAL_CHANNELS
636 Enable support for the MIO DMAC (Media I/O DMA controller) on the
637 UniPhier platform. This DMA controller is used as the external
638 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
640 config UNIPHIER_XDMAC
641 tristate "UniPhier XDMAC support"
642 depends on ARCH_UNIPHIER || COMPILE_TEST
645 select DMA_VIRTUAL_CHANNELS
647 Enable support for the XDMAC (external DMA controller) on the
648 UniPhier platform. This DMA controller can transfer data from
649 memory to memory, memory to peripheral and peripheral to memory.
652 tristate "APM X-Gene DMA support"
653 depends on ARCH_XGENE || COMPILE_TEST
655 select DMA_ENGINE_RAID
656 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
658 Enable support for the APM X-Gene SoC DMA engine.
661 tristate "Xilinx AXI DMAS Engine"
662 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
665 Enable support for Xilinx AXI VDMA Soft IP.
667 AXI VDMA engine provides high-bandwidth direct memory access
668 between memory and AXI4-Stream video type target
669 peripherals including peripherals which support AXI4-
670 Stream Video Protocol. It has two stream interfaces/
671 channels, Memory Mapped to Stream (MM2S) and Stream to
672 Memory Mapped (S2MM) for the data transfers.
673 AXI CDMA engine provides high-bandwidth direct memory access
674 between a memory-mapped source address and a memory-mapped
676 AXI DMA engine provides high-bandwidth one dimensional direct
677 memory access between memory and AXI4-Stream target peripherals.
678 AXI MCDMA engine provides high-bandwidth direct memory access
679 between memory and AXI4-Stream target peripherals. It provides
680 the scatter gather interface with multiple channels independent
681 configuration support.
683 config XILINX_ZYNQMP_DMA
684 tristate "Xilinx ZynqMP DMA Engine"
685 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
688 Enable support for Xilinx ZynqMP DMA controller.
690 config XILINX_ZYNQMP_DPDMA
691 tristate "Xilinx DPDMA Engine"
693 select DMA_VIRTUAL_CHANNELS
695 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
696 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
697 driver provides the dmaengine required by the DisplayPort subsystem
701 source "drivers/dma/bestcomm/Kconfig"
703 source "drivers/dma/mediatek/Kconfig"
705 source "drivers/dma/qcom/Kconfig"
707 source "drivers/dma/dw/Kconfig"
709 source "drivers/dma/dw-edma/Kconfig"
711 source "drivers/dma/hsu/Kconfig"
713 source "drivers/dma/sf-pdma/Kconfig"
715 source "drivers/dma/sh/Kconfig"
717 source "drivers/dma/ti/Kconfig"
719 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
721 source "drivers/dma/lgm/Kconfig"
724 comment "DMA Clients"
725 depends on DMA_ENGINE
728 bool "Async_tx: Offload support for the async_tx api"
729 depends on DMA_ENGINE
731 This allows the async_tx api to take advantage of offload engines for
732 memcpy, memset, xor, and raid6 p+q operations. If your platform has
733 a dma engine that can perform raid operations and you have enabled
739 tristate "DMA Test client"
740 depends on DMA_ENGINE
741 select DMA_ENGINE_RAID
743 Simple DMA test client. Say N unless you're debugging a
746 config DMA_ENGINE_RAID