2 # DMA engine configuration
6 bool "DMA Engine support"
9 DMA engines can do asynchronous data transfers without
10 involving the host CPU. Currently, this framework can be
11 used to offload memory copies in the network stack and
12 RAID operations in the MD driver. This menu only presents
13 DMA Device drivers supported by the configured arch, it may
14 be empty in some cases.
16 config DMADEVICES_DEBUG
17 bool "DMA Engine debugging"
18 depends on DMADEVICES != n
20 This is an option for use by developers; most people should
21 say N here. This enables DMA engine core and driver debugging.
23 config DMADEVICES_VDEBUG
24 bool "DMA Engine verbose debugging"
25 depends on DMADEVICES_DEBUG != n
27 This is an option for use by developers; most people should
28 say N here. This enables deeper (more verbose) debugging of
29 the DMA engine core and drivers.
37 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
40 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
46 config DMA_VIRTUAL_CHANNELS
60 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_SOCFPGA || COMPILE_TEST
105 select DMA_VIRTUAL_CHANNELS
107 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
108 controller is often used in Analog Device's reference designs for FPGA
112 tristate "Broadcom SBA RAID engine support"
113 depends on ARM64 || COMPILE_TEST
114 depends on MAILBOX && RAID6_PQ
116 select DMA_ENGINE_RAID
117 select ASYNC_TX_DISABLE_XOR_VAL_DMA
118 select ASYNC_TX_DISABLE_PQ_VAL_DMA
119 default m if ARCH_BCM_IPROC
121 Enable support for Broadcom SBA RAID Engine. The SBA RAID
122 engine is available on most of the Broadcom iProc SoCs. It
123 has the capability to offload memcpy, xor and pq computation
127 bool "ST-Ericsson COH901318 DMA support"
129 depends on ARCH_U300 || COMPILE_TEST
131 Enable support for ST-Ericsson COH 901 318 DMA.
134 tristate "BCM2835 DMA engine support"
135 depends on ARCH_BCM2835
137 select DMA_VIRTUAL_CHANNELS
140 tristate "JZ4740 DMA support"
141 depends on MACH_JZ4740 || COMPILE_TEST
143 select DMA_VIRTUAL_CHANNELS
146 tristate "JZ4780 DMA support"
147 depends on MIPS || COMPILE_TEST
149 select DMA_VIRTUAL_CHANNELS
151 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
152 If you have a board based on such a SoC and wish to use DMA for
153 devices which can use the DMA controller, say Y or M here.
156 tristate "SA-11x0 DMA support"
157 depends on ARCH_SA1100 || COMPILE_TEST
159 select DMA_VIRTUAL_CHANNELS
161 Support the DMA engine found on Intel StrongARM SA-1100 and
162 SA-1110 SoCs. This DMA engine can only be used with on-chip
166 tristate "Allwinner A10 DMA SoCs support"
167 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
168 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
170 select DMA_VIRTUAL_CHANNELS
172 Enable support for the DMA controller present in the sun4i,
173 sun5i and sun7i Allwinner ARM SoCs.
176 tristate "Allwinner A31 SoCs DMA support"
177 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
178 depends on RESET_CONTROLLER
180 select DMA_VIRTUAL_CHANNELS
182 Support for the DMA engine first found in Allwinner A31 SoCs.
185 tristate "Synopsys DesignWare AXI DMA support"
186 depends on OF || COMPILE_TEST
188 select DMA_VIRTUAL_CHANNELS
190 Enable support for Synopsys DesignWare AXI DMA controller.
191 NOTE: This driver wasn't tested on 64 bit platform because
192 of lack 64 bit platform with Synopsys DW AXI DMAC.
195 bool "Cirrus Logic EP93xx DMA support"
196 depends on ARCH_EP93XX || COMPILE_TEST
199 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
202 tristate "Freescale Elo series DMA support"
205 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
207 Enable support for the Freescale Elo series DMA controllers.
208 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
209 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
210 some Txxx and Bxxx parts.
213 tristate "Freescale eDMA engine support"
216 select DMA_VIRTUAL_CHANNELS
218 Support the Freescale eDMA engine with programmable channel
219 multiplexing capability for DMA request sources(slot).
220 This module can be found on Freescale Vybrid and LS-1 SoCs.
223 tristate "Freescale RAID engine Support"
224 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
226 select DMA_ENGINE_RAID
228 Enable support for Freescale RAID Engine. RAID Engine is
229 available on some QorIQ SoCs (like P5020/P5040). It has
230 the capability to offload memcpy, xor and pq computation
234 tristate "IMG MDC support"
235 depends on MIPS || COMPILE_TEST
236 depends on MFD_SYSCON
238 select DMA_VIRTUAL_CHANNELS
240 Enable support for the IMG multi-threaded DMA controller (MDC).
243 tristate "i.MX DMA support"
247 Support the i.MX DMA engine. This engine is integrated into
248 Freescale i.MX1/21/27 chips.
251 tristate "i.MX SDMA support"
254 select DMA_VIRTUAL_CHANNELS
256 Support the i.MX SDMA engine. This engine is integrated into
257 Freescale i.MX25/31/35/51/53/6 chips.
260 tristate "Intel integrated DMA 64-bit support"
262 select DMA_VIRTUAL_CHANNELS
264 Enable DMA support for Intel Low Power Subsystem such as found on
268 tristate "Intel I/OAT DMA support"
269 depends on PCI && X86_64
271 select DMA_ENGINE_RAID
274 Enable support for the Intel(R) I/OAT DMA engine present
275 in recent Intel Xeon chipsets.
277 Say Y here if you have such a chipset.
281 config INTEL_IOP_ADMA
282 tristate "Intel IOP ADMA support"
283 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
285 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
287 Enable support for the Intel(R) IOP Series RAID engines.
289 config INTEL_MIC_X100_DMA
290 tristate "Intel MIC X100 DMA Driver"
291 depends on 64BIT && X86 && INTEL_MIC_BUS
294 This enables DMA support for the Intel Many Integrated Core
295 (MIC) family of PCIe form factor coprocessor X100 devices that
296 run a 64 bit Linux OS. This driver will be used by both MIC
297 host and card drivers.
299 If you are building host kernel with a MIC device or a card
300 kernel for a MIC device, then say M (recommended) or Y, else
301 say N. If unsure say N.
303 More information about the Intel MIC family as well as the Linux
304 OS and tools for MIC to use with this driver are available from
305 <http://software.intel.com/en-us/mic-developer>.
308 tristate "Hisilicon K3 DMA support"
309 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
311 select DMA_VIRTUAL_CHANNELS
313 Support the DMA engine for Hisilicon K3 platform
316 config LPC18XX_DMAMUX
317 bool "NXP LPC18xx/43xx DMA MUX for PL080"
318 depends on ARCH_LPC18XX || COMPILE_TEST
319 depends on OF && AMBA_PL08X
322 Enable support for DMA on NXP LPC18xx/43xx platforms
323 with PL080 and multiplexed DMA request lines.
326 bool "MMP PDMA support"
327 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
330 Support the MMP PDMA engine for PXA and MMP platform.
333 bool "MMP Two-Channel DMA support"
334 depends on ARCH_MMP || COMPILE_TEST
336 select MMP_SRAM if ARCH_MMP
337 select GENERIC_ALLOCATOR
339 Support the MMP Two-Channel DMA engine.
340 This engine used for MMP Audio DMA and pxa910 SQU.
341 It needs sram driver under mach-mmp.
344 tristate "MOXART DMA support"
345 depends on ARCH_MOXART
347 select DMA_VIRTUAL_CHANNELS
349 Enable support for the MOXA ART SoC DMA controller.
351 Say Y here if you enabled MMP ADMA, otherwise say N.
354 tristate "Freescale MPC512x built-in DMA engine support"
355 depends on PPC_MPC512x || PPC_MPC831x
358 Enable support for the Freescale MPC512x built-in DMA engine.
361 bool "Marvell XOR engine support"
362 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
364 select DMA_ENGINE_RAID
365 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
367 Enable support for the Marvell XOR engine.
370 bool "Marvell XOR engine version 2 support "
373 select DMA_ENGINE_RAID
374 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
375 select GENERIC_MSI_IRQ_DOMAIN
377 Enable support for the Marvell version 2 XOR engine.
379 This engine provides acceleration for copy, XOR and RAID6
380 operations, and is available on Marvell Armada 7K and 8K
384 bool "MXS DMA support"
385 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
389 Support the MXS DMA engine. This engine including APBH-DMA
390 and APBX-DMA is integrated into some Freescale chips.
393 bool "MX3x Image Processing Unit support"
398 If you plan to use the Image Processing unit in the i.MX3x, say
399 Y here. If unsure, select Y.
402 int "Number of dynamically mapped interrupts for IPU"
407 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
408 To avoid bloating the irq_desc[] array we allocate a sufficient
409 number of IRQ slots and map them dynamically to specific sources.
412 tristate "Renesas Type-AXI NBPF DMA support"
414 depends on ARM || COMPILE_TEST
416 Support for "Type-AXI" NBPF DMA IPs from Renesas
419 tristate "Actions Semi Owl SoCs DMA support"
420 depends on ARCH_ACTIONS
422 select DMA_VIRTUAL_CHANNELS
424 Enable support for the Actions Semi Owl SoCs DMA controller.
427 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
428 depends on PCI && (X86_32 || COMPILE_TEST)
431 Enable support for Intel EG20T PCH DMA engine.
433 This driver also can be used for LAPIS Semiconductor IOH(Input/
434 Output Hub), ML7213, ML7223 and ML7831.
435 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
436 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
437 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
438 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
441 tristate "DMA API Driver for PL330"
445 Select if your platform has one or more PL330 DMACs.
446 You need to provide platform specific settings via
447 platform_data for a dma-pl330 device.
450 bool "PXA DMA support"
451 depends on (ARCH_MMP || ARCH_PXA)
453 select DMA_VIRTUAL_CHANNELS
455 Support the DMA engine for PXA. It is also compatible with MMP PDMA
456 platform. The internal DMA IP of all PXA variants is supported, with
457 16 to 32 channels for peripheral to memory or memory to memory
461 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
465 Enable support for the CSR SiRFprimaII DMA engine.
468 bool "ST-Ericsson DMA40 support"
469 depends on ARCH_U8500
472 Support for ST-Ericsson DMA40 controller
475 tristate "ST FDMA dmaengine support"
477 depends on REMOTEPROC
478 select ST_SLIM_REMOTEPROC
480 select DMA_VIRTUAL_CHANNELS
482 Enable support for ST FDMA controller.
483 It supports 16 independent DMA channels, accepts up to 32 DMA requests
485 Say Y here if you have such a chipset.
489 bool "STMicroelectronics STM32 DMA support"
490 depends on ARCH_STM32 || COMPILE_TEST
492 select DMA_VIRTUAL_CHANNELS
494 Enable support for the on-chip DMA controller on STMicroelectronics
496 If you have a board based on such a MCU and wish to use DMA say Y
500 bool "STMicroelectronics STM32 dma multiplexer support"
501 depends on STM32_DMA || COMPILE_TEST
503 Enable support for the on-chip DMA multiplexer on STMicroelectronics
505 If you have a board based on such a MCU and wish to use DMAMUX say Y
509 bool "STMicroelectronics STM32 master dma support"
510 depends on ARCH_STM32 || COMPILE_TEST
513 select DMA_VIRTUAL_CHANNELS
515 Enable support for the on-chip MDMA controller on STMicroelectronics
517 If you have a board based on STM32 SoC and wish to use the master DMA
521 tristate "Spreadtrum DMA support"
522 depends on ARCH_SPRD || COMPILE_TEST
524 select DMA_VIRTUAL_CHANNELS
526 Enable support for the on-chip DMA controller on Spreadtrum platform.
529 bool "Samsung S3C24XX DMA support"
530 depends on ARCH_S3C24XX || COMPILE_TEST
532 select DMA_VIRTUAL_CHANNELS
534 Support for the Samsung S3C24XX DMA controller driver. The
535 DMA controller is having multiple DMA channels which can be
536 configured for different peripherals like audio, UART, SPI.
537 The DMA controller can transfer data from memory to peripheral,
538 periphal to memory, periphal to periphal and memory to memory.
541 tristate "Toshiba TXx9 SoC DMA support"
542 depends on MACH_TX49XX || MACH_TX39XX
545 Support the TXx9 SoC internal DMA controller. This can be
546 integrated in chips such as the Toshiba TX4927/38/39.
548 config TEGRA20_APB_DMA
549 bool "NVIDIA Tegra20 APB DMA support"
550 depends on ARCH_TEGRA
553 Support for the NVIDIA Tegra20 APB DMA controller driver. The
554 DMA controller is having multiple DMA channel which can be
555 configured for different peripherals like audio, UART, SPI,
556 I2C etc which is in APB bus.
557 This DMA controller transfers data from memory to peripheral fifo
558 or vice versa. It does not support memory to memory data transfer.
561 tristate "NVIDIA Tegra210 ADMA support"
562 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
564 select DMA_VIRTUAL_CHANNELS
566 Support for the NVIDIA Tegra210 ADMA controller driver. The
567 DMA controller has multiple DMA channels and is used to service
568 various audio clients in the Tegra210 audio processing engine
569 (APE). This DMA controller transfers data from memory to
570 peripheral and vice versa. It does not support memory to
571 memory data transfer.
574 tristate "Timberdale FPGA DMA support"
575 depends on MFD_TIMBERDALE || COMPILE_TEST
578 Enable support for the Timberdale FPGA DMA engine.
581 tristate "APM X-Gene DMA support"
582 depends on ARCH_XGENE || COMPILE_TEST
584 select DMA_ENGINE_RAID
585 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
587 Enable support for the APM X-Gene SoC DMA engine.
590 tristate "Xilinx AXI DMAS Engine"
591 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
594 Enable support for Xilinx AXI VDMA Soft IP.
596 AXI VDMA engine provides high-bandwidth direct memory access
597 between memory and AXI4-Stream video type target
598 peripherals including peripherals which support AXI4-
599 Stream Video Protocol. It has two stream interfaces/
600 channels, Memory Mapped to Stream (MM2S) and Stream to
601 Memory Mapped (S2MM) for the data transfers.
602 AXI CDMA engine provides high-bandwidth direct memory access
603 between a memory-mapped source address and a memory-mapped
605 AXI DMA engine provides high-bandwidth one dimensional direct
606 memory access between memory and AXI4-Stream target peripherals.
608 config XILINX_ZYNQMP_DMA
609 tristate "Xilinx ZynqMP DMA Engine"
610 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
613 Enable support for Xilinx ZynqMP DMA controller.
616 tristate "ZTE ZX DMA support"
617 depends on ARCH_ZX || COMPILE_TEST
619 select DMA_VIRTUAL_CHANNELS
621 Support the DMA engine for ZTE ZX family platform devices.
625 source "drivers/dma/bestcomm/Kconfig"
627 source "drivers/dma/mediatek/Kconfig"
629 source "drivers/dma/qcom/Kconfig"
631 source "drivers/dma/dw/Kconfig"
633 source "drivers/dma/hsu/Kconfig"
635 source "drivers/dma/sh/Kconfig"
637 source "drivers/dma/ti/Kconfig"
640 comment "DMA Clients"
641 depends on DMA_ENGINE
644 bool "Async_tx: Offload support for the async_tx api"
645 depends on DMA_ENGINE
647 This allows the async_tx api to take advantage of offload engines for
648 memcpy, memset, xor, and raid6 p+q operations. If your platform has
649 a dma engine that can perform raid operations and you have enabled
655 tristate "DMA Test client"
656 depends on DMA_ENGINE
657 select DMA_ENGINE_RAID
659 Simple DMA test client. Say N unless you're debugging a
662 config DMA_ENGINE_RAID