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1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # DMA engine configuration
4 #
5
6 menuconfig DMADEVICES
7 bool "DMA Engine support"
8 depends on HAS_DMA
9 help
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.
16
17 config DMADEVICES_DEBUG
18 bool "DMA Engine debugging"
19 depends on DMADEVICES != n
20 help
21 This is an option for use by developers; most people should
22 say N here. This enables DMA engine core and driver debugging.
23
24 config DMADEVICES_VDEBUG
25 bool "DMA Engine verbose debugging"
26 depends on DMADEVICES_DEBUG != n
27 help
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.
31
32
33 if DMADEVICES
34
35 comment "DMA Devices"
36
37 #core
38 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
39 bool
40
41 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
42 bool
43
44 config DMA_ENGINE
45 bool
46
47 config DMA_VIRTUAL_CHANNELS
48 tristate
49
50 config DMA_ACPI
51 def_bool y
52 depends on ACPI
53
54 config DMA_OF
55 def_bool y
56 depends on OF
57 select DMA_ENGINE
58
59 #devices
60 config ALTERA_MSGDMA
61 tristate "Altera / Intel mSGDMA Engine"
62 select DMA_ENGINE
63 help
64 Enable support for Altera / Intel mSGDMA controller.
65
66 config AMBA_PL08X
67 bool "ARM PrimeCell PL080 or PL081 support"
68 depends on ARM_AMBA
69 select DMA_ENGINE
70 select DMA_VIRTUAL_CHANNELS
71 help
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.
76
77 config AMCC_PPC440SPE_ADMA
78 tristate "AMCC PPC440SPe ADMA support"
79 depends on 440SPe || 440SP
80 select DMA_ENGINE
81 select DMA_ENGINE_RAID
82 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
83 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
84 help
85 Enable support for the AMCC PPC440SPe RAID engines.
86
87 config AT_HDMAC
88 tristate "Atmel AHB DMA support"
89 depends on ARCH_AT91
90 select DMA_ENGINE
91 help
92 Support the Atmel AHB DMA controller.
93
94 config AT_XDMAC
95 tristate "Atmel XDMA support"
96 depends on ARCH_AT91
97 select DMA_ENGINE
98 help
99 Support the Atmel XDMA controller.
100
101 config AXI_DMAC
102 tristate "Analog Devices AXI-DMAC DMA support"
103 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST
104 select DMA_ENGINE
105 select DMA_VIRTUAL_CHANNELS
106 select REGMAP_MMIO
107 help
108 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
109 controller is often used in Analog Device's reference designs for FPGA
110 platforms.
111
112 config BCM_SBA_RAID
113 tristate "Broadcom SBA RAID engine support"
114 depends on ARM64 || COMPILE_TEST
115 depends on MAILBOX && RAID6_PQ
116 select DMA_ENGINE
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
121 help
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
125 for raid5/6.
126
127 config COH901318
128 bool "ST-Ericsson COH901318 DMA support"
129 select DMA_ENGINE
130 depends on ARCH_U300 || COMPILE_TEST
131 help
132 Enable support for ST-Ericsson COH 901 318 DMA.
133
134 config DMA_BCM2835
135 tristate "BCM2835 DMA engine support"
136 depends on ARCH_BCM2835
137 select DMA_ENGINE
138 select DMA_VIRTUAL_CHANNELS
139
140 config DMA_JZ4740
141 tristate "JZ4740 DMA support"
142 depends on MACH_JZ4740 || COMPILE_TEST
143 select DMA_ENGINE
144 select DMA_VIRTUAL_CHANNELS
145
146 config DMA_JZ4780
147 tristate "JZ4780 DMA support"
148 depends on MIPS || COMPILE_TEST
149 select DMA_ENGINE
150 select DMA_VIRTUAL_CHANNELS
151 help
152 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
153 If you have a board based on such a SoC and wish to use DMA for
154 devices which can use the DMA controller, say Y or M here.
155
156 config DMA_SA11X0
157 tristate "SA-11x0 DMA support"
158 depends on ARCH_SA1100 || COMPILE_TEST
159 select DMA_ENGINE
160 select DMA_VIRTUAL_CHANNELS
161 help
162 Support the DMA engine found on Intel StrongARM SA-1100 and
163 SA-1110 SoCs. This DMA engine can only be used with on-chip
164 devices.
165
166 config DMA_SUN4I
167 tristate "Allwinner A10 DMA SoCs support"
168 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
169 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
170 select DMA_ENGINE
171 select DMA_VIRTUAL_CHANNELS
172 help
173 Enable support for the DMA controller present in the sun4i,
174 sun5i and sun7i Allwinner ARM SoCs.
175
176 config DMA_SUN6I
177 tristate "Allwinner A31 SoCs DMA support"
178 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
179 depends on RESET_CONTROLLER
180 select DMA_ENGINE
181 select DMA_VIRTUAL_CHANNELS
182 help
183 Support for the DMA engine first found in Allwinner A31 SoCs.
184
185 config DW_AXI_DMAC
186 tristate "Synopsys DesignWare AXI DMA support"
187 depends on OF || COMPILE_TEST
188 select DMA_ENGINE
189 select DMA_VIRTUAL_CHANNELS
190 help
191 Enable support for Synopsys DesignWare AXI DMA controller.
192 NOTE: This driver wasn't tested on 64 bit platform because
193 of lack 64 bit platform with Synopsys DW AXI DMAC.
194
195 config EP93XX_DMA
196 bool "Cirrus Logic EP93xx DMA support"
197 depends on ARCH_EP93XX || COMPILE_TEST
198 select DMA_ENGINE
199 help
200 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
201
202 config FSL_DMA
203 tristate "Freescale Elo series DMA support"
204 depends on FSL_SOC
205 select DMA_ENGINE
206 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
207 ---help---
208 Enable support for the Freescale Elo series DMA controllers.
209 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
210 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
211 some Txxx and Bxxx parts.
212
213 config FSL_EDMA
214 tristate "Freescale eDMA engine support"
215 depends on OF
216 select DMA_ENGINE
217 select DMA_VIRTUAL_CHANNELS
218 help
219 Support the Freescale eDMA engine with programmable channel
220 multiplexing capability for DMA request sources(slot).
221 This module can be found on Freescale Vybrid and LS-1 SoCs.
222
223 config FSL_QDMA
224 tristate "NXP Layerscape qDMA engine support"
225 depends on ARM || ARM64
226 select DMA_ENGINE
227 select DMA_VIRTUAL_CHANNELS
228 select DMA_ENGINE_RAID
229 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
230 help
231 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
232 Channel virtualization is supported through enqueuing of DMA jobs to,
233 or dequeuing DMA jobs from, different work queues.
234 This module can be found on NXP Layerscape SoCs.
235 The qdma driver only work on SoCs with a DPAA hardware block.
236
237 config FSL_RAID
238 tristate "Freescale RAID engine Support"
239 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
240 select DMA_ENGINE
241 select DMA_ENGINE_RAID
242 ---help---
243 Enable support for Freescale RAID Engine. RAID Engine is
244 available on some QorIQ SoCs (like P5020/P5040). It has
245 the capability to offload memcpy, xor and pq computation
246 for raid5/6.
247
248 config IMG_MDC_DMA
249 tristate "IMG MDC support"
250 depends on MIPS || COMPILE_TEST
251 depends on MFD_SYSCON
252 select DMA_ENGINE
253 select DMA_VIRTUAL_CHANNELS
254 help
255 Enable support for the IMG multi-threaded DMA controller (MDC).
256
257 config IMX_DMA
258 tristate "i.MX DMA support"
259 depends on ARCH_MXC
260 select DMA_ENGINE
261 help
262 Support the i.MX DMA engine. This engine is integrated into
263 Freescale i.MX1/21/27 chips.
264
265 config IMX_SDMA
266 tristate "i.MX SDMA support"
267 depends on ARCH_MXC
268 select DMA_ENGINE
269 select DMA_VIRTUAL_CHANNELS
270 help
271 Support the i.MX SDMA engine. This engine is integrated into
272 Freescale i.MX25/31/35/51/53/6 chips.
273
274 config INTEL_IDMA64
275 tristate "Intel integrated DMA 64-bit support"
276 select DMA_ENGINE
277 select DMA_VIRTUAL_CHANNELS
278 help
279 Enable DMA support for Intel Low Power Subsystem such as found on
280 Intel Skylake PCH.
281
282 config INTEL_IOATDMA
283 tristate "Intel I/OAT DMA support"
284 depends on PCI && X86_64
285 select DMA_ENGINE
286 select DMA_ENGINE_RAID
287 select DCA
288 help
289 Enable support for the Intel(R) I/OAT DMA engine present
290 in recent Intel Xeon chipsets.
291
292 Say Y here if you have such a chipset.
293
294 If unsure, say N.
295
296 config INTEL_IOP_ADMA
297 tristate "Intel IOP ADMA support"
298 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
299 select DMA_ENGINE
300 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
301 help
302 Enable support for the Intel(R) IOP Series RAID engines.
303
304 config INTEL_MIC_X100_DMA
305 tristate "Intel MIC X100 DMA Driver"
306 depends on 64BIT && X86 && INTEL_MIC_BUS
307 select DMA_ENGINE
308 help
309 This enables DMA support for the Intel Many Integrated Core
310 (MIC) family of PCIe form factor coprocessor X100 devices that
311 run a 64 bit Linux OS. This driver will be used by both MIC
312 host and card drivers.
313
314 If you are building host kernel with a MIC device or a card
315 kernel for a MIC device, then say M (recommended) or Y, else
316 say N. If unsure say N.
317
318 More information about the Intel MIC family as well as the Linux
319 OS and tools for MIC to use with this driver are available from
320 <http://software.intel.com/en-us/mic-developer>.
321
322 config K3_DMA
323 tristate "Hisilicon K3 DMA support"
324 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
325 select DMA_ENGINE
326 select DMA_VIRTUAL_CHANNELS
327 help
328 Support the DMA engine for Hisilicon K3 platform
329 devices.
330
331 config LPC18XX_DMAMUX
332 bool "NXP LPC18xx/43xx DMA MUX for PL080"
333 depends on ARCH_LPC18XX || COMPILE_TEST
334 depends on OF && AMBA_PL08X
335 select MFD_SYSCON
336 help
337 Enable support for DMA on NXP LPC18xx/43xx platforms
338 with PL080 and multiplexed DMA request lines.
339
340 config MCF_EDMA
341 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
342 depends on M5441x || COMPILE_TEST
343 select DMA_ENGINE
344 select DMA_VIRTUAL_CHANNELS
345 help
346 Support the Freescale ColdFire eDMA engine, 64-channel
347 implementation that performs complex data transfers with
348 minimal intervention from a host processor.
349 This module can be found on Freescale ColdFire mcf5441x SoCs.
350
351 config MMP_PDMA
352 bool "MMP PDMA support"
353 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
354 select DMA_ENGINE
355 help
356 Support the MMP PDMA engine for PXA and MMP platform.
357
358 config MMP_TDMA
359 bool "MMP Two-Channel DMA support"
360 depends on ARCH_MMP || COMPILE_TEST
361 select DMA_ENGINE
362 select MMP_SRAM if ARCH_MMP
363 select GENERIC_ALLOCATOR
364 help
365 Support the MMP Two-Channel DMA engine.
366 This engine used for MMP Audio DMA and pxa910 SQU.
367 It needs sram driver under mach-mmp.
368
369 config MOXART_DMA
370 tristate "MOXART DMA support"
371 depends on ARCH_MOXART
372 select DMA_ENGINE
373 select DMA_VIRTUAL_CHANNELS
374 help
375 Enable support for the MOXA ART SoC DMA controller.
376
377 Say Y here if you enabled MMP ADMA, otherwise say N.
378
379 config MPC512X_DMA
380 tristate "Freescale MPC512x built-in DMA engine support"
381 depends on PPC_MPC512x || PPC_MPC831x
382 select DMA_ENGINE
383 ---help---
384 Enable support for the Freescale MPC512x built-in DMA engine.
385
386 config MV_XOR
387 bool "Marvell XOR engine support"
388 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
389 select DMA_ENGINE
390 select DMA_ENGINE_RAID
391 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
392 ---help---
393 Enable support for the Marvell XOR engine.
394
395 config MV_XOR_V2
396 bool "Marvell XOR engine version 2 support "
397 depends on ARM64
398 select DMA_ENGINE
399 select DMA_ENGINE_RAID
400 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
401 select GENERIC_MSI_IRQ_DOMAIN
402 ---help---
403 Enable support for the Marvell version 2 XOR engine.
404
405 This engine provides acceleration for copy, XOR and RAID6
406 operations, and is available on Marvell Armada 7K and 8K
407 platforms.
408
409 config MXS_DMA
410 bool "MXS DMA support"
411 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
412 select STMP_DEVICE
413 select DMA_ENGINE
414 help
415 Support the MXS DMA engine. This engine including APBH-DMA
416 and APBX-DMA is integrated into some Freescale chips.
417
418 config MX3_IPU
419 bool "MX3x Image Processing Unit support"
420 depends on ARCH_MXC
421 select DMA_ENGINE
422 default y
423 help
424 If you plan to use the Image Processing unit in the i.MX3x, say
425 Y here. If unsure, select Y.
426
427 config MX3_IPU_IRQS
428 int "Number of dynamically mapped interrupts for IPU"
429 depends on MX3_IPU
430 range 2 137
431 default 4
432 help
433 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
434 To avoid bloating the irq_desc[] array we allocate a sufficient
435 number of IRQ slots and map them dynamically to specific sources.
436
437 config NBPFAXI_DMA
438 tristate "Renesas Type-AXI NBPF DMA support"
439 select DMA_ENGINE
440 depends on ARM || COMPILE_TEST
441 help
442 Support for "Type-AXI" NBPF DMA IPs from Renesas
443
444 config OWL_DMA
445 tristate "Actions Semi Owl SoCs DMA support"
446 depends on ARCH_ACTIONS
447 select DMA_ENGINE
448 select DMA_VIRTUAL_CHANNELS
449 help
450 Enable support for the Actions Semi Owl SoCs DMA controller.
451
452 config PCH_DMA
453 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
454 depends on PCI && (X86_32 || COMPILE_TEST)
455 select DMA_ENGINE
456 help
457 Enable support for Intel EG20T PCH DMA engine.
458
459 This driver also can be used for LAPIS Semiconductor IOH(Input/
460 Output Hub), ML7213, ML7223 and ML7831.
461 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
462 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
463 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
464 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
465
466 config PL330_DMA
467 tristate "DMA API Driver for PL330"
468 select DMA_ENGINE
469 depends on ARM_AMBA
470 help
471 Select if your platform has one or more PL330 DMACs.
472 You need to provide platform specific settings via
473 platform_data for a dma-pl330 device.
474
475 config PXA_DMA
476 bool "PXA DMA support"
477 depends on (ARCH_MMP || ARCH_PXA)
478 select DMA_ENGINE
479 select DMA_VIRTUAL_CHANNELS
480 help
481 Support the DMA engine for PXA. It is also compatible with MMP PDMA
482 platform. The internal DMA IP of all PXA variants is supported, with
483 16 to 32 channels for peripheral to memory or memory to memory
484 transfers.
485
486 config SIRF_DMA
487 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
488 depends on ARCH_SIRF
489 select DMA_ENGINE
490 help
491 Enable support for the CSR SiRFprimaII DMA engine.
492
493 config STE_DMA40
494 bool "ST-Ericsson DMA40 support"
495 depends on ARCH_U8500
496 select DMA_ENGINE
497 help
498 Support for ST-Ericsson DMA40 controller
499
500 config ST_FDMA
501 tristate "ST FDMA dmaengine support"
502 depends on ARCH_STI
503 depends on REMOTEPROC
504 select ST_SLIM_REMOTEPROC
505 select DMA_ENGINE
506 select DMA_VIRTUAL_CHANNELS
507 help
508 Enable support for ST FDMA controller.
509 It supports 16 independent DMA channels, accepts up to 32 DMA requests
510
511 Say Y here if you have such a chipset.
512 If unsure, say N.
513
514 config STM32_DMA
515 bool "STMicroelectronics STM32 DMA support"
516 depends on ARCH_STM32 || COMPILE_TEST
517 select DMA_ENGINE
518 select DMA_VIRTUAL_CHANNELS
519 help
520 Enable support for the on-chip DMA controller on STMicroelectronics
521 STM32 MCUs.
522 If you have a board based on such a MCU and wish to use DMA say Y
523 here.
524
525 config STM32_DMAMUX
526 bool "STMicroelectronics STM32 dma multiplexer support"
527 depends on STM32_DMA || COMPILE_TEST
528 help
529 Enable support for the on-chip DMA multiplexer on STMicroelectronics
530 STM32 MCUs.
531 If you have a board based on such a MCU and wish to use DMAMUX say Y
532 here.
533
534 config STM32_MDMA
535 bool "STMicroelectronics STM32 master dma support"
536 depends on ARCH_STM32 || COMPILE_TEST
537 depends on OF
538 select DMA_ENGINE
539 select DMA_VIRTUAL_CHANNELS
540 help
541 Enable support for the on-chip MDMA controller on STMicroelectronics
542 STM32 platforms.
543 If you have a board based on STM32 SoC and wish to use the master DMA
544 say Y here.
545
546 config SPRD_DMA
547 tristate "Spreadtrum DMA support"
548 depends on ARCH_SPRD || COMPILE_TEST
549 select DMA_ENGINE
550 select DMA_VIRTUAL_CHANNELS
551 help
552 Enable support for the on-chip DMA controller on Spreadtrum platform.
553
554 config S3C24XX_DMAC
555 bool "Samsung S3C24XX DMA support"
556 depends on ARCH_S3C24XX || COMPILE_TEST
557 select DMA_ENGINE
558 select DMA_VIRTUAL_CHANNELS
559 help
560 Support for the Samsung S3C24XX DMA controller driver. The
561 DMA controller is having multiple DMA channels which can be
562 configured for different peripherals like audio, UART, SPI.
563 The DMA controller can transfer data from memory to peripheral,
564 periphal to memory, periphal to periphal and memory to memory.
565
566 config TXX9_DMAC
567 tristate "Toshiba TXx9 SoC DMA support"
568 depends on MACH_TX49XX || MACH_TX39XX
569 select DMA_ENGINE
570 help
571 Support the TXx9 SoC internal DMA controller. This can be
572 integrated in chips such as the Toshiba TX4927/38/39.
573
574 config TEGRA20_APB_DMA
575 bool "NVIDIA Tegra20 APB DMA support"
576 depends on ARCH_TEGRA
577 select DMA_ENGINE
578 help
579 Support for the NVIDIA Tegra20 APB DMA controller driver. The
580 DMA controller is having multiple DMA channel which can be
581 configured for different peripherals like audio, UART, SPI,
582 I2C etc which is in APB bus.
583 This DMA controller transfers data from memory to peripheral fifo
584 or vice versa. It does not support memory to memory data transfer.
585
586 config TEGRA210_ADMA
587 tristate "NVIDIA Tegra210 ADMA support"
588 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
589 select DMA_ENGINE
590 select DMA_VIRTUAL_CHANNELS
591 help
592 Support for the NVIDIA Tegra210 ADMA controller driver. The
593 DMA controller has multiple DMA channels and is used to service
594 various audio clients in the Tegra210 audio processing engine
595 (APE). This DMA controller transfers data from memory to
596 peripheral and vice versa. It does not support memory to
597 memory data transfer.
598
599 config TIMB_DMA
600 tristate "Timberdale FPGA DMA support"
601 depends on MFD_TIMBERDALE || COMPILE_TEST
602 select DMA_ENGINE
603 help
604 Enable support for the Timberdale FPGA DMA engine.
605
606 config UNIPHIER_MDMAC
607 tristate "UniPhier MIO DMAC"
608 depends on ARCH_UNIPHIER || COMPILE_TEST
609 depends on OF
610 select DMA_ENGINE
611 select DMA_VIRTUAL_CHANNELS
612 help
613 Enable support for the MIO DMAC (Media I/O DMA controller) on the
614 UniPhier platform. This DMA controller is used as the external
615 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
616
617 config XGENE_DMA
618 tristate "APM X-Gene DMA support"
619 depends on ARCH_XGENE || COMPILE_TEST
620 select DMA_ENGINE
621 select DMA_ENGINE_RAID
622 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
623 help
624 Enable support for the APM X-Gene SoC DMA engine.
625
626 config XILINX_DMA
627 tristate "Xilinx AXI DMAS Engine"
628 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
629 select DMA_ENGINE
630 help
631 Enable support for Xilinx AXI VDMA Soft IP.
632
633 AXI VDMA engine provides high-bandwidth direct memory access
634 between memory and AXI4-Stream video type target
635 peripherals including peripherals which support AXI4-
636 Stream Video Protocol. It has two stream interfaces/
637 channels, Memory Mapped to Stream (MM2S) and Stream to
638 Memory Mapped (S2MM) for the data transfers.
639 AXI CDMA engine provides high-bandwidth direct memory access
640 between a memory-mapped source address and a memory-mapped
641 destination address.
642 AXI DMA engine provides high-bandwidth one dimensional direct
643 memory access between memory and AXI4-Stream target peripherals.
644
645 config XILINX_ZYNQMP_DMA
646 tristate "Xilinx ZynqMP DMA Engine"
647 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
648 select DMA_ENGINE
649 help
650 Enable support for Xilinx ZynqMP DMA controller.
651
652 config ZX_DMA
653 tristate "ZTE ZX DMA support"
654 depends on ARCH_ZX || COMPILE_TEST
655 select DMA_ENGINE
656 select DMA_VIRTUAL_CHANNELS
657 help
658 Support the DMA engine for ZTE ZX family platform devices.
659
660
661 # driver files
662 source "drivers/dma/bestcomm/Kconfig"
663
664 source "drivers/dma/mediatek/Kconfig"
665
666 source "drivers/dma/qcom/Kconfig"
667
668 source "drivers/dma/dw/Kconfig"
669
670 source "drivers/dma/dw-edma/Kconfig"
671
672 source "drivers/dma/hsu/Kconfig"
673
674 source "drivers/dma/sh/Kconfig"
675
676 source "drivers/dma/ti/Kconfig"
677
678 # clients
679 comment "DMA Clients"
680 depends on DMA_ENGINE
681
682 config ASYNC_TX_DMA
683 bool "Async_tx: Offload support for the async_tx api"
684 depends on DMA_ENGINE
685 help
686 This allows the async_tx api to take advantage of offload engines for
687 memcpy, memset, xor, and raid6 p+q operations. If your platform has
688 a dma engine that can perform raid operations and you have enabled
689 MD_RAID456 say Y.
690
691 If unsure, say N.
692
693 config DMATEST
694 tristate "DMA Test client"
695 depends on DMA_ENGINE
696 select DMA_ENGINE_RAID
697 help
698 Simple DMA test client. Say N unless you're debugging a
699 DMA Device driver.
700
701 config DMA_ENGINE_RAID
702 bool
703
704 endif