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 bool "ARM PrimeCell PL080 or PL081 support"
63 select DMA_VIRTUAL_CHANNELS
65 Platform has a PL08x DMAC device
66 which can provide DMA engine support
68 config AMCC_PPC440SPE_ADMA
69 tristate "AMCC PPC440SPe ADMA support"
70 depends on 440SPe || 440SP
72 select DMA_ENGINE_RAID
73 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
74 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
76 Enable support for the AMCC PPC440SPe RAID engines.
79 tristate "Atmel AHB DMA support"
83 Support the Atmel AHB DMA controller.
86 tristate "Atmel XDMA support"
90 Support the Atmel XDMA controller.
93 tristate "Analog Devices AXI-DMAC DMA support"
94 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
96 select DMA_VIRTUAL_CHANNELS
98 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
99 controller is often used in Analog Device's reference designs for FPGA
103 bool "ST-Ericsson COH901318 DMA support"
105 depends on ARCH_U300 || COMPILE_TEST
107 Enable support for ST-Ericsson COH 901 318 DMA.
110 tristate "BCM2835 DMA engine support"
111 depends on ARCH_BCM2835
113 select DMA_VIRTUAL_CHANNELS
116 tristate "JZ4740 DMA support"
117 depends on MACH_JZ4740 || COMPILE_TEST
119 select DMA_VIRTUAL_CHANNELS
122 tristate "JZ4780 DMA support"
123 depends on MACH_JZ4780 || COMPILE_TEST
125 select DMA_VIRTUAL_CHANNELS
127 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
128 If you have a board based on such a SoC and wish to use DMA for
129 devices which can use the DMA controller, say Y or M here.
132 tristate "OMAP DMA support"
133 depends on ARCH_OMAP || COMPILE_TEST
135 select DMA_VIRTUAL_CHANNELS
136 select TI_DMA_CROSSBAR if (SOC_DRA7XX || COMPILE_TEST)
139 tristate "SA-11x0 DMA support"
140 depends on ARCH_SA1100 || COMPILE_TEST
142 select DMA_VIRTUAL_CHANNELS
144 Support the DMA engine found on Intel StrongARM SA-1100 and
145 SA-1110 SoCs. This DMA engine can only be used with on-chip
149 tristate "Allwinner A10 DMA SoCs support"
150 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
151 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
153 select DMA_VIRTUAL_CHANNELS
155 Enable support for the DMA controller present in the sun4i,
156 sun5i and sun7i Allwinner ARM SoCs.
159 tristate "Allwinner A31 SoCs DMA support"
160 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
161 depends on RESET_CONTROLLER
163 select DMA_VIRTUAL_CHANNELS
165 Support for the DMA engine first found in Allwinner A31 SoCs.
168 bool "Cirrus Logic EP93xx DMA support"
169 depends on ARCH_EP93XX || COMPILE_TEST
172 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
175 tristate "Freescale Elo series DMA support"
178 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
180 Enable support for the Freescale Elo series DMA controllers.
181 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
182 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
183 some Txxx and Bxxx parts.
186 tristate "Freescale eDMA engine support"
189 select DMA_VIRTUAL_CHANNELS
191 Support the Freescale eDMA engine with programmable channel
192 multiplexing capability for DMA request sources(slot).
193 This module can be found on Freescale Vybrid and LS-1 SoCs.
196 tristate "Freescale RAID engine Support"
197 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
199 select DMA_ENGINE_RAID
201 Enable support for Freescale RAID Engine. RAID Engine is
202 available on some QorIQ SoCs (like P5020/P5040). It has
203 the capability to offload memcpy, xor and pq computation
207 tristate "IMG MDC support"
208 depends on MIPS || COMPILE_TEST
209 depends on MFD_SYSCON
211 select DMA_VIRTUAL_CHANNELS
213 Enable support for the IMG multi-threaded DMA controller (MDC).
216 tristate "i.MX DMA support"
220 Support the i.MX DMA engine. This engine is integrated into
221 Freescale i.MX1/21/27 chips.
224 tristate "i.MX SDMA support"
228 Support the i.MX SDMA engine. This engine is integrated into
229 Freescale i.MX25/31/35/51/53/6 chips.
232 tristate "Intel integrated DMA 64-bit support"
234 select DMA_VIRTUAL_CHANNELS
236 Enable DMA support for Intel Low Power Subsystem such as found on
240 tristate "Intel I/OAT DMA support"
241 depends on PCI && X86_64
243 select DMA_ENGINE_RAID
246 Enable support for the Intel(R) I/OAT DMA engine present
247 in recent Intel Xeon chipsets.
249 Say Y here if you have such a chipset.
253 config INTEL_IOP_ADMA
254 tristate "Intel IOP ADMA support"
255 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
257 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
259 Enable support for the Intel(R) IOP Series RAID engines.
261 config INTEL_MIC_X100_DMA
262 tristate "Intel MIC X100 DMA Driver"
263 depends on 64BIT && X86 && INTEL_MIC_BUS
266 This enables DMA support for the Intel Many Integrated Core
267 (MIC) family of PCIe form factor coprocessor X100 devices that
268 run a 64 bit Linux OS. This driver will be used by both MIC
269 host and card drivers.
271 If you are building host kernel with a MIC device or a card
272 kernel for a MIC device, then say M (recommended) or Y, else
273 say N. If unsure say N.
275 More information about the Intel MIC family as well as the Linux
276 OS and tools for MIC to use with this driver are available from
277 <http://software.intel.com/en-us/mic-developer>.
280 tristate "Hisilicon K3 DMA support"
281 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
283 select DMA_VIRTUAL_CHANNELS
285 Support the DMA engine for Hisilicon K3 platform
288 config LPC18XX_DMAMUX
289 bool "NXP LPC18xx/43xx DMA MUX for PL080"
290 depends on ARCH_LPC18XX || COMPILE_TEST
291 depends on OF && AMBA_PL08X
294 Enable support for DMA on NXP LPC18xx/43xx platforms
295 with PL080 and multiplexed DMA request lines.
298 bool "MMP PDMA support"
299 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
302 Support the MMP PDMA engine for PXA and MMP platform.
305 bool "MMP Two-Channel DMA support"
306 depends on ARCH_MMP || COMPILE_TEST
308 select MMP_SRAM if ARCH_MMP
310 Support the MMP Two-Channel DMA engine.
311 This engine used for MMP Audio DMA and pxa910 SQU.
312 It needs sram driver under mach-mmp.
315 tristate "MOXART DMA support"
316 depends on ARCH_MOXART
318 select DMA_VIRTUAL_CHANNELS
320 Enable support for the MOXA ART SoC DMA controller.
322 Say Y here if you enabled MMP ADMA, otherwise say N.
325 tristate "Freescale MPC512x built-in DMA engine support"
326 depends on PPC_MPC512x || PPC_MPC831x
329 Enable support for the Freescale MPC512x built-in DMA engine.
332 bool "Marvell XOR engine support"
333 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
335 select DMA_ENGINE_RAID
336 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
338 Enable support for the Marvell XOR engine.
341 bool "Marvell XOR engine version 2 support "
344 select DMA_ENGINE_RAID
345 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
346 select GENERIC_MSI_IRQ_DOMAIN
348 Enable support for the Marvell version 2 XOR engine.
350 This engine provides acceleration for copy, XOR and RAID6
351 operations, and is available on Marvell Armada 7K and 8K
355 bool "MXS DMA support"
356 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL
360 Support the MXS DMA engine. This engine including APBH-DMA
361 and APBX-DMA is integrated into Freescale
362 i.MX23/28/MX6Q/MX6DL/MX6UL chips.
365 bool "MX3x Image Processing Unit support"
370 If you plan to use the Image Processing unit in the i.MX3x, say
371 Y here. If unsure, select Y.
374 int "Number of dynamically mapped interrupts for IPU"
379 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
380 To avoid bloating the irq_desc[] array we allocate a sufficient
381 number of IRQ slots and map them dynamically to specific sources.
384 tristate "Renesas Type-AXI NBPF DMA support"
386 depends on ARM || COMPILE_TEST
388 Support for "Type-AXI" NBPF DMA IPs from Renesas
391 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
392 depends on PCI && (X86_32 || COMPILE_TEST)
395 Enable support for Intel EG20T PCH DMA engine.
397 This driver also can be used for LAPIS Semiconductor IOH(Input/
398 Output Hub), ML7213, ML7223 and ML7831.
399 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
400 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
401 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
402 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
405 tristate "DMA API Driver for PL330"
409 Select if your platform has one or more PL330 DMACs.
410 You need to provide platform specific settings via
411 platform_data for a dma-pl330 device.
414 bool "PXA DMA support"
415 depends on (ARCH_MMP || ARCH_PXA)
417 select DMA_VIRTUAL_CHANNELS
419 Support the DMA engine for PXA. It is also compatible with MMP PDMA
420 platform. The internal DMA IP of all PXA variants is supported, with
421 16 to 32 channels for peripheral to memory or memory to memory
425 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
429 Enable support for the CSR SiRFprimaII DMA engine.
432 bool "ST-Ericsson DMA40 support"
433 depends on ARCH_U8500
436 Support for ST-Ericsson DMA40 controller
439 bool "STMicroelectronics STM32 DMA support"
440 depends on ARCH_STM32 || COMPILE_TEST
442 select DMA_VIRTUAL_CHANNELS
444 Enable support for the on-chip DMA controller on STMicroelectronics
446 If you have a board based on such a MCU and wish to use DMA say Y or M
450 bool "Samsung S3C24XX DMA support"
451 depends on ARCH_S3C24XX || COMPILE_TEST
453 select DMA_VIRTUAL_CHANNELS
455 Support for the Samsung S3C24XX DMA controller driver. The
456 DMA controller is having multiple DMA channels which can be
457 configured for different peripherals like audio, UART, SPI.
458 The DMA controller can transfer data from memory to peripheral,
459 periphal to memory, periphal to periphal and memory to memory.
462 tristate "Toshiba TXx9 SoC DMA support"
463 depends on MACH_TX49XX || MACH_TX39XX
466 Support the TXx9 SoC internal DMA controller. This can be
467 integrated in chips such as the Toshiba TX4927/38/39.
469 config TEGRA20_APB_DMA
470 bool "NVIDIA Tegra20 APB DMA support"
471 depends on ARCH_TEGRA
474 Support for the NVIDIA Tegra20 APB DMA controller driver. The
475 DMA controller is having multiple DMA channel which can be
476 configured for different peripherals like audio, UART, SPI,
477 I2C etc which is in APB bus.
478 This DMA controller transfers data from memory to peripheral fifo
479 or vice versa. It does not support memory to memory data transfer.
482 bool "NVIDIA Tegra210 ADMA support"
483 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
485 select DMA_VIRTUAL_CHANNELS
487 Support for the NVIDIA Tegra210 ADMA controller driver. The
488 DMA controller has multiple DMA channels and is used to service
489 various audio clients in the Tegra210 audio processing engine
490 (APE). This DMA controller transfers data from memory to
491 peripheral and vice versa. It does not support memory to
492 memory data transfer.
495 tristate "Timberdale FPGA DMA support"
496 depends on MFD_TIMBERDALE || COMPILE_TEST
499 Enable support for the Timberdale FPGA DMA engine.
502 tristate "AM33xx CPPI41 DMA support"
506 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
507 is currently used by the USB driver on AM335x platforms.
509 config TI_DMA_CROSSBAR
513 bool "TI EDMA support"
514 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST
516 select DMA_VIRTUAL_CHANNELS
517 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST)
520 Enable support for the TI EDMA controller. This DMA
521 engine is found on TI DaVinci and AM33xx parts.
524 tristate "APM X-Gene DMA support"
525 depends on ARCH_XGENE || COMPILE_TEST
527 select DMA_ENGINE_RAID
528 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
530 Enable support for the APM X-Gene SoC DMA engine.
533 tristate "Xilinx AXI DMAS Engine"
534 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
537 Enable support for Xilinx AXI VDMA Soft IP.
539 AXI VDMA engine provides high-bandwidth direct memory access
540 between memory and AXI4-Stream video type target
541 peripherals including peripherals which support AXI4-
542 Stream Video Protocol. It has two stream interfaces/
543 channels, Memory Mapped to Stream (MM2S) and Stream to
544 Memory Mapped (S2MM) for the data transfers.
545 AXI CDMA engine provides high-bandwidth direct memory access
546 between a memory-mapped source address and a memory-mapped
548 AXI DMA engine provides high-bandwidth one dimensional direct
549 memory access between memory and AXI4-Stream target peripherals.
551 config XILINX_ZYNQMP_DMA
552 tristate "Xilinx ZynqMP DMA Engine"
553 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
556 Enable support for Xilinx ZynqMP DMA controller.
559 tristate "ZTE ZX296702 DMA support"
560 depends on ARCH_ZX || COMPILE_TEST
562 select DMA_VIRTUAL_CHANNELS
564 Support the DMA engine for ZTE ZX296702 platform devices.
568 source "drivers/dma/bestcomm/Kconfig"
570 source "drivers/dma/qcom/Kconfig"
572 source "drivers/dma/dw/Kconfig"
574 source "drivers/dma/hsu/Kconfig"
576 source "drivers/dma/sh/Kconfig"
579 comment "DMA Clients"
580 depends on DMA_ENGINE
583 bool "Async_tx: Offload support for the async_tx api"
584 depends on DMA_ENGINE
586 This allows the async_tx api to take advantage of offload engines for
587 memcpy, memset, xor, and raid6 p+q operations. If your platform has
588 a dma engine that can perform raid operations and you have enabled
594 tristate "DMA Test client"
595 depends on DMA_ENGINE
597 Simple DMA test client. Say N unless you're debugging a
600 config DMA_ENGINE_RAID