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linux
1# SPDX-License-Identifier: GPL-2.0-only
2#
3# DMA engine configuration
4#
5
6menuconfig 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
17config 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
24config 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
33if DMADEVICES
34
35comment "DMA Devices"
36
37#core
38config ASYNC_TX_ENABLE_CHANNEL_SWITCH
39 bool
40
41config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
42 bool
43
44config DMA_ENGINE
45 bool
46
47config DMA_VIRTUAL_CHANNELS
48 tristate
49
50config DMA_ACPI
51 def_bool y
52 depends on ACPI
53
54config DMA_OF
55 def_bool y
56 depends on OF
57 select DMA_ENGINE
58
59#devices
60config ALTERA_MSGDMA
61 tristate "Altera / Intel mSGDMA Engine"
62 depends on HAS_IOMEM
63 select DMA_ENGINE
64 help
65 Enable support for Altera / Intel mSGDMA controller.
66
67config AMBA_PL08X
68 bool "ARM PrimeCell PL080 or PL081 support"
69 depends on ARM_AMBA
70 select DMA_ENGINE
71 select DMA_VIRTUAL_CHANNELS
72 help
73 Say yes if your platform has a PL08x DMAC device which can
74 provide DMA engine support. This includes the original ARM
75 PL080 and PL081, Samsungs PL080 derivative and Faraday
76 Technology's FTDMAC020 PL080 derivative.
77
78config AMCC_PPC440SPE_ADMA
79 tristate "AMCC PPC440SPe ADMA support"
80 depends on 440SPe || 440SP
81 select DMA_ENGINE
82 select DMA_ENGINE_RAID
83 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
85 help
86 Enable support for the AMCC PPC440SPe RAID engines.
87
88config APPLE_ADMAC
89 tristate "Apple ADMAC support"
90 depends on ARCH_APPLE || COMPILE_TEST
91 select DMA_ENGINE
92 default ARCH_APPLE
93 help
94 Enable support for Audio DMA Controller found on Apple Silicon SoCs.
95
96config AT_HDMAC
97 tristate "Atmel AHB DMA support"
98 depends on ARCH_AT91
99 select DMA_ENGINE
100 select DMA_VIRTUAL_CHANNELS
101 help
102 Support the Atmel AHB DMA controller.
103
104config AT_XDMAC
105 tristate "Atmel XDMA support"
106 depends on ARCH_AT91
107 select DMA_ENGINE
108 help
109 Support the Atmel XDMA controller.
110
111config AXI_DMAC
112 tristate "Analog Devices AXI-DMAC DMA support"
113 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
114 select DMA_ENGINE
115 select DMA_VIRTUAL_CHANNELS
116 select REGMAP_MMIO
117 help
118 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
119 controller is often used in Analog Devices' reference designs for FPGA
120 platforms.
121
122config BCM_SBA_RAID
123 tristate "Broadcom SBA RAID engine support"
124 depends on ARM64 || COMPILE_TEST
125 depends on MAILBOX && RAID6_PQ
126 select DMA_ENGINE
127 select DMA_ENGINE_RAID
128 select ASYNC_TX_DISABLE_XOR_VAL_DMA
129 select ASYNC_TX_DISABLE_PQ_VAL_DMA
130 default m if ARCH_BCM_IPROC
131 help
132 Enable support for Broadcom SBA RAID Engine. The SBA RAID
133 engine is available on most of the Broadcom iProc SoCs. It
134 has the capability to offload memcpy, xor and pq computation
135 for raid5/6.
136
137config DMA_BCM2835
138 tristate "BCM2835 DMA engine support"
139 depends on ARCH_BCM2835
140 select DMA_ENGINE
141 select DMA_VIRTUAL_CHANNELS
142
143config DMA_JZ4780
144 tristate "JZ4780 DMA support"
145 depends on MIPS || COMPILE_TEST
146 select DMA_ENGINE
147 select DMA_VIRTUAL_CHANNELS
148 help
149 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
150 If you have a board based on such a SoC and wish to use DMA for
151 devices which can use the DMA controller, say Y or M here.
152
153config DMA_SA11X0
154 tristate "SA-11x0 DMA support"
155 depends on ARCH_SA1100 || COMPILE_TEST
156 select DMA_ENGINE
157 select DMA_VIRTUAL_CHANNELS
158 help
159 Support the DMA engine found on Intel StrongARM SA-1100 and
160 SA-1110 SoCs. This DMA engine can only be used with on-chip
161 devices.
162
163config DMA_SUN4I
164 tristate "Allwinner A10 DMA SoCs support"
165 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
166 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
167 select DMA_ENGINE
168 select DMA_VIRTUAL_CHANNELS
169 help
170 Enable support for the DMA controller present in the sun4i,
171 sun5i and sun7i Allwinner ARM SoCs.
172
173config DMA_SUN6I
174 tristate "Allwinner A31 SoCs DMA support"
175 depends on ARCH_SUNXI || COMPILE_TEST
176 depends on RESET_CONTROLLER
177 select DMA_ENGINE
178 select DMA_VIRTUAL_CHANNELS
179 help
180 Support for the DMA engine first found in Allwinner A31 SoCs.
181
182config DW_AXI_DMAC
183 tristate "Synopsys DesignWare AXI DMA support"
184 depends on OF
185 depends on HAS_IOMEM
186 select DMA_ENGINE
187 select DMA_VIRTUAL_CHANNELS
188 help
189 Enable support for Synopsys DesignWare AXI DMA controller.
190 NOTE: This driver wasn't tested on 64 bit platform because
191 of lack 64 bit platform with Synopsys DW AXI DMAC.
192
193config EP93XX_DMA
194 bool "Cirrus Logic EP93xx DMA support"
195 depends on ARCH_EP93XX || COMPILE_TEST
196 select DMA_ENGINE
197 help
198 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
199
200config FSL_DMA
201 tristate "Freescale Elo series DMA support"
202 depends on FSL_SOC
203 select DMA_ENGINE
204 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
205 help
206 Enable support for the Freescale Elo series DMA controllers.
207 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
208 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
209 some Txxx and Bxxx parts.
210
211config FSL_EDMA
212 tristate "Freescale eDMA engine support"
213 depends on OF
214 select DMA_ENGINE
215 select DMA_VIRTUAL_CHANNELS
216 help
217 Support the Freescale eDMA engine with programmable channel
218 multiplexing capability for DMA request sources(slot).
219 This module can be found on Freescale Vybrid and LS-1 SoCs.
220
221config FSL_QDMA
222 tristate "NXP Layerscape qDMA engine support"
223 depends on ARM || ARM64
224 select DMA_ENGINE
225 select DMA_VIRTUAL_CHANNELS
226 select DMA_ENGINE_RAID
227 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
228 help
229 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
230 Channel virtualization is supported through enqueuing of DMA jobs to,
231 or dequeuing DMA jobs from, different work queues.
232 This module can be found on NXP Layerscape SoCs.
233 The qdma driver only work on SoCs with a DPAA hardware block.
234
235config FSL_RAID
236 tristate "Freescale RAID engine Support"
237 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
238 select DMA_ENGINE
239 select DMA_ENGINE_RAID
240 help
241 Enable support for Freescale RAID Engine. RAID Engine is
242 available on some QorIQ SoCs (like P5020/P5040). It has
243 the capability to offload memcpy, xor and pq computation
244 for raid5/6.
245
246config HISI_DMA
247 tristate "HiSilicon DMA Engine support"
248 depends on ARM64 || COMPILE_TEST
249 depends on PCI_MSI
250 select DMA_ENGINE
251 select DMA_VIRTUAL_CHANNELS
252 help
253 Support HiSilicon Kunpeng DMA engine.
254
255config IMG_MDC_DMA
256 tristate "IMG MDC support"
257 depends on MIPS || COMPILE_TEST
258 depends on MFD_SYSCON
259 select DMA_ENGINE
260 select DMA_VIRTUAL_CHANNELS
261 help
262 Enable support for the IMG multi-threaded DMA controller (MDC).
263
264config IMX_DMA
265 tristate "i.MX DMA support"
266 depends on ARCH_MXC
267 select DMA_ENGINE
268 help
269 Support the i.MX DMA engine. This engine is integrated into
270 Freescale i.MX1/21/27 chips.
271
272config IMX_SDMA
273 tristate "i.MX SDMA support"
274 depends on ARCH_MXC
275 select DMA_ENGINE
276 select DMA_VIRTUAL_CHANNELS
277 help
278 Support the i.MX SDMA engine. This engine is integrated into
279 Freescale i.MX25/31/35/51/53/6 chips.
280
281config INTEL_IDMA64
282 tristate "Intel integrated DMA 64-bit support"
283 select DMA_ENGINE
284 select DMA_VIRTUAL_CHANNELS
285 help
286 Enable DMA support for Intel Low Power Subsystem such as found on
287 Intel Skylake PCH.
288
289config INTEL_IDXD_BUS
290 tristate
291 default INTEL_IDXD
292
293config INTEL_IDXD
294 tristate "Intel Data Accelerators support"
295 depends on PCI && X86_64 && !UML
296 depends on PCI_MSI
297 depends on PCI_PASID
298 depends on SBITMAP
299 select DMA_ENGINE
300 help
301 Enable support for the Intel(R) data accelerators present
302 in Intel Xeon CPU.
303
304 Say Y if you have such a platform.
305
306 If unsure, say N.
307
308config INTEL_IDXD_COMPAT
309 bool "Legacy behavior for idxd driver"
310 depends on PCI && X86_64
311 select INTEL_IDXD_BUS
312 help
313 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
314 The old behavior performed driver bind/unbind for device and wq
315 devices all under the dsa driver. The compat driver will emulate
316 the legacy behavior in order to allow existing support apps (i.e.
317 accel-config) to continue function. It is expected that accel-config
318 v3.2 and earlier will need the compat mode. A distro with later
319 accel-config version can disable this compat config.
320
321 Say Y if you have old applications that require such behavior.
322
323 If unsure, say N.
324
325# Config symbol that collects all the dependencies that's necessary to
326# support shared virtual memory for the devices supported by idxd.
327config INTEL_IDXD_SVM
328 bool "Accelerator Shared Virtual Memory Support"
329 depends on INTEL_IDXD
330 depends on INTEL_IOMMU_SVM
331 depends on PCI_PRI
332 depends on PCI_PASID
333 depends on PCI_IOV
334
335config INTEL_IDXD_PERFMON
336 bool "Intel Data Accelerators performance monitor support"
337 depends on INTEL_IDXD
338 help
339 Enable performance monitor (pmu) support for the Intel(R)
340 data accelerators present in Intel Xeon CPU. With this
341 enabled, perf can be used to monitor the DSA (Intel Data
342 Streaming Accelerator) events described in the Intel DSA
343 spec.
344
345 If unsure, say N.
346
347config INTEL_IOATDMA
348 tristate "Intel I/OAT DMA support"
349 depends on PCI && X86_64 && !UML
350 select DMA_ENGINE
351 select DMA_ENGINE_RAID
352 select DCA
353 help
354 Enable support for the Intel(R) I/OAT DMA engine present
355 in recent Intel Xeon chipsets.
356
357 Say Y here if you have such a chipset.
358
359 If unsure, say N.
360
361config K3_DMA
362 tristate "Hisilicon K3 DMA support"
363 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
364 select DMA_ENGINE
365 select DMA_VIRTUAL_CHANNELS
366 help
367 Support the DMA engine for Hisilicon K3 platform
368 devices.
369
370config LPC18XX_DMAMUX
371 bool "NXP LPC18xx/43xx DMA MUX for PL080"
372 depends on ARCH_LPC18XX || COMPILE_TEST
373 depends on OF && AMBA_PL08X
374 select MFD_SYSCON
375 help
376 Enable support for DMA on NXP LPC18xx/43xx platforms
377 with PL080 and multiplexed DMA request lines.
378
379config MCF_EDMA
380 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
381 depends on M5441x || COMPILE_TEST
382 select DMA_ENGINE
383 select DMA_VIRTUAL_CHANNELS
384 help
385 Support the Freescale ColdFire eDMA engine, 64-channel
386 implementation that performs complex data transfers with
387 minimal intervention from a host processor.
388 This module can be found on Freescale ColdFire mcf5441x SoCs.
389
390config MILBEAUT_HDMAC
391 tristate "Milbeaut AHB DMA support"
392 depends on ARCH_MILBEAUT || COMPILE_TEST
393 depends on OF
394 select DMA_ENGINE
395 select DMA_VIRTUAL_CHANNELS
396 help
397 Say yes here to support the Socionext Milbeaut
398 HDMAC device.
399
400config MILBEAUT_XDMAC
401 tristate "Milbeaut AXI DMA support"
402 depends on ARCH_MILBEAUT || COMPILE_TEST
403 depends on OF
404 select DMA_ENGINE
405 select DMA_VIRTUAL_CHANNELS
406 help
407 Say yes here to support the Socionext Milbeaut
408 XDMAC device.
409
410config MMP_PDMA
411 tristate "MMP PDMA support"
412 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
413 select DMA_ENGINE
414 help
415 Support the MMP PDMA engine for PXA and MMP platform.
416
417config MMP_TDMA
418 tristate "MMP Two-Channel DMA support"
419 depends on ARCH_MMP || COMPILE_TEST
420 select DMA_ENGINE
421 select GENERIC_ALLOCATOR
422 help
423 Support the MMP Two-Channel DMA engine.
424 This engine used for MMP Audio DMA and pxa910 SQU.
425
426config MOXART_DMA
427 tristate "MOXART DMA support"
428 depends on ARCH_MOXART
429 select DMA_ENGINE
430 select DMA_VIRTUAL_CHANNELS
431 help
432 Enable support for the MOXA ART SoC DMA controller.
433
434 Say Y here if you enabled MMP ADMA, otherwise say N.
435
436config MPC512X_DMA
437 tristate "Freescale MPC512x built-in DMA engine support"
438 depends on PPC_MPC512x || PPC_MPC831x
439 select DMA_ENGINE
440 help
441 Enable support for the Freescale MPC512x built-in DMA engine.
442
443config MV_XOR
444 bool "Marvell XOR engine support"
445 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
446 select DMA_ENGINE
447 select DMA_ENGINE_RAID
448 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
449 help
450 Enable support for the Marvell XOR engine.
451
452config MV_XOR_V2
453 bool "Marvell XOR engine version 2 support "
454 depends on ARM64
455 select DMA_ENGINE
456 select DMA_ENGINE_RAID
457 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
458 select GENERIC_MSI_IRQ
459 help
460 Enable support for the Marvell version 2 XOR engine.
461
462 This engine provides acceleration for copy, XOR and RAID6
463 operations, and is available on Marvell Armada 7K and 8K
464 platforms.
465
466config MXS_DMA
467 bool "MXS DMA support"
468 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
469 select STMP_DEVICE
470 select DMA_ENGINE
471 help
472 Support the MXS DMA engine. This engine including APBH-DMA
473 and APBX-DMA is integrated into some Freescale chips.
474
475config MX3_IPU
476 bool "MX3x Image Processing Unit support"
477 depends on ARCH_MXC
478 select DMA_ENGINE
479 default y
480 help
481 If you plan to use the Image Processing unit in the i.MX3x, say
482 Y here. If unsure, select Y.
483
484config MX3_IPU_IRQS
485 int "Number of dynamically mapped interrupts for IPU"
486 depends on MX3_IPU
487 range 2 137
488 default 4
489 help
490 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
491 To avoid bloating the irq_desc[] array we allocate a sufficient
492 number of IRQ slots and map them dynamically to specific sources.
493
494config NBPFAXI_DMA
495 tristate "Renesas Type-AXI NBPF DMA support"
496 select DMA_ENGINE
497 depends on ARM || COMPILE_TEST
498 help
499 Support for "Type-AXI" NBPF DMA IPs from Renesas
500
501config OWL_DMA
502 tristate "Actions Semi Owl SoCs DMA support"
503 depends on ARCH_ACTIONS
504 select DMA_ENGINE
505 select DMA_VIRTUAL_CHANNELS
506 help
507 Enable support for the Actions Semi Owl SoCs DMA controller.
508
509config PCH_DMA
510 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
511 depends on PCI && (X86_32 || COMPILE_TEST)
512 select DMA_ENGINE
513 help
514 Enable support for Intel EG20T PCH DMA engine.
515
516 This driver also can be used for LAPIS Semiconductor IOH(Input/
517 Output Hub), ML7213, ML7223 and ML7831.
518 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
519 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
520 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
521 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
522
523config PL330_DMA
524 tristate "DMA API Driver for PL330"
525 select DMA_ENGINE
526 depends on ARM_AMBA
527 help
528 Select if your platform has one or more PL330 DMACs.
529 You need to provide platform specific settings via
530 platform_data for a dma-pl330 device.
531
532config PXA_DMA
533 bool "PXA DMA support"
534 depends on (ARCH_MMP || ARCH_PXA)
535 select DMA_ENGINE
536 select DMA_VIRTUAL_CHANNELS
537 help
538 Support the DMA engine for PXA. It is also compatible with MMP PDMA
539 platform. The internal DMA IP of all PXA variants is supported, with
540 16 to 32 channels for peripheral to memory or memory to memory
541 transfers.
542
543config PLX_DMA
544 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
545 depends on PCI
546 select DMA_ENGINE
547 help
548 Some PLX ExpressLane PCI Switches support additional DMA engines.
549 These are exposed via extra functions on the switch's
550 upstream port. Each function exposes one DMA channel.
551
552config STE_DMA40
553 bool "ST-Ericsson DMA40 support"
554 depends on ARCH_U8500
555 select DMA_ENGINE
556 help
557 Support for ST-Ericsson DMA40 controller
558
559config ST_FDMA
560 tristate "ST FDMA dmaengine support"
561 depends on ARCH_STI
562 depends on REMOTEPROC
563 select ST_SLIM_REMOTEPROC
564 select DMA_ENGINE
565 select DMA_VIRTUAL_CHANNELS
566 help
567 Enable support for ST FDMA controller.
568 It supports 16 independent DMA channels, accepts up to 32 DMA requests
569
570 Say Y here if you have such a chipset.
571 If unsure, say N.
572
573config STM32_DMA
574 bool "STMicroelectronics STM32 DMA support"
575 depends on ARCH_STM32 || COMPILE_TEST
576 select DMA_ENGINE
577 select DMA_VIRTUAL_CHANNELS
578 help
579 Enable support for the on-chip DMA controller on STMicroelectronics
580 STM32 MCUs.
581 If you have a board based on such a MCU and wish to use DMA say Y
582 here.
583
584config STM32_DMAMUX
585 bool "STMicroelectronics STM32 dma multiplexer support"
586 depends on STM32_DMA || COMPILE_TEST
587 help
588 Enable support for the on-chip DMA multiplexer on STMicroelectronics
589 STM32 MCUs.
590 If you have a board based on such a MCU and wish to use DMAMUX say Y
591 here.
592
593config STM32_MDMA
594 bool "STMicroelectronics STM32 master dma support"
595 depends on ARCH_STM32 || COMPILE_TEST
596 depends on OF
597 select DMA_ENGINE
598 select DMA_VIRTUAL_CHANNELS
599 help
600 Enable support for the on-chip MDMA controller on STMicroelectronics
601 STM32 platforms.
602 If you have a board based on STM32 SoC and wish to use the master DMA
603 say Y here.
604
605config SPRD_DMA
606 tristate "Spreadtrum DMA support"
607 depends on ARCH_SPRD || COMPILE_TEST
608 select DMA_ENGINE
609 select DMA_VIRTUAL_CHANNELS
610 help
611 Enable support for the on-chip DMA controller on Spreadtrum platform.
612
613config S3C24XX_DMAC
614 bool "Samsung S3C24XX DMA support"
615 depends on ARCH_S3C24XX || COMPILE_TEST
616 select DMA_ENGINE
617 select DMA_VIRTUAL_CHANNELS
618 help
619 Support for the Samsung S3C24XX DMA controller driver. The
620 DMA controller is having multiple DMA channels which can be
621 configured for different peripherals like audio, UART, SPI.
622 The DMA controller can transfer data from memory to peripheral,
623 periphal to memory, periphal to periphal and memory to memory.
624
625config TXX9_DMAC
626 tristate "Toshiba TXx9 SoC DMA support"
627 depends on MACH_TX49XX
628 select DMA_ENGINE
629 help
630 Support the TXx9 SoC internal DMA controller. This can be
631 integrated in chips such as the Toshiba TX4927/38/39.
632
633config TEGRA186_GPC_DMA
634 tristate "NVIDIA Tegra GPC DMA support"
635 depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT
636 depends on IOMMU_API
637 select DMA_ENGINE
638 help
639 Support for the NVIDIA Tegra General Purpose Central DMA controller.
640 The DMA controller has multiple DMA channels which can be configured
641 for different peripherals like UART, SPI, etc which are on APB bus.
642 This DMA controller transfers data from memory to peripheral FIFO
643 or vice versa. It also supports memory to memory data transfer.
644
645config TEGRA20_APB_DMA
646 tristate "NVIDIA Tegra20 APB DMA support"
647 depends on ARCH_TEGRA || COMPILE_TEST
648 select DMA_ENGINE
649 help
650 Support for the NVIDIA Tegra20 APB DMA controller driver. The
651 DMA controller is having multiple DMA channel which can be
652 configured for different peripherals like audio, UART, SPI,
653 I2C etc which is in APB bus.
654 This DMA controller transfers data from memory to peripheral fifo
655 or vice versa. It does not support memory to memory data transfer.
656
657config TEGRA210_ADMA
658 tristate "NVIDIA Tegra210 ADMA support"
659 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
660 select DMA_ENGINE
661 select DMA_VIRTUAL_CHANNELS
662 help
663 Support for the NVIDIA Tegra210 ADMA controller driver. The
664 DMA controller has multiple DMA channels and is used to service
665 various audio clients in the Tegra210 audio processing engine
666 (APE). This DMA controller transfers data from memory to
667 peripheral and vice versa. It does not support memory to
668 memory data transfer.
669
670config TIMB_DMA
671 tristate "Timberdale FPGA DMA support"
672 depends on MFD_TIMBERDALE || COMPILE_TEST
673 select DMA_ENGINE
674 help
675 Enable support for the Timberdale FPGA DMA engine.
676
677config UNIPHIER_MDMAC
678 tristate "UniPhier MIO DMAC"
679 depends on ARCH_UNIPHIER || COMPILE_TEST
680 depends on OF
681 select DMA_ENGINE
682 select DMA_VIRTUAL_CHANNELS
683 help
684 Enable support for the MIO DMAC (Media I/O DMA controller) on the
685 UniPhier platform. This DMA controller is used as the external
686 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
687
688config UNIPHIER_XDMAC
689 tristate "UniPhier XDMAC support"
690 depends on ARCH_UNIPHIER || COMPILE_TEST
691 depends on OF
692 select DMA_ENGINE
693 select DMA_VIRTUAL_CHANNELS
694 help
695 Enable support for the XDMAC (external DMA controller) on the
696 UniPhier platform. This DMA controller can transfer data from
697 memory to memory, memory to peripheral and peripheral to memory.
698
699config XGENE_DMA
700 tristate "APM X-Gene DMA support"
701 depends on ARCH_XGENE || COMPILE_TEST
702 select DMA_ENGINE
703 select DMA_ENGINE_RAID
704 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
705 help
706 Enable support for the APM X-Gene SoC DMA engine.
707
708config XILINX_DMA
709 tristate "Xilinx AXI DMAS Engine"
710 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
711 select DMA_ENGINE
712 help
713 Enable support for Xilinx AXI VDMA Soft IP.
714
715 AXI VDMA engine provides high-bandwidth direct memory access
716 between memory and AXI4-Stream video type target
717 peripherals including peripherals which support AXI4-
718 Stream Video Protocol. It has two stream interfaces/
719 channels, Memory Mapped to Stream (MM2S) and Stream to
720 Memory Mapped (S2MM) for the data transfers.
721 AXI CDMA engine provides high-bandwidth direct memory access
722 between a memory-mapped source address and a memory-mapped
723 destination address.
724 AXI DMA engine provides high-bandwidth one dimensional direct
725 memory access between memory and AXI4-Stream target peripherals.
726 AXI MCDMA engine provides high-bandwidth direct memory access
727 between memory and AXI4-Stream target peripherals. It provides
728 the scatter gather interface with multiple channels independent
729 configuration support.
730
731config XILINX_ZYNQMP_DMA
732 tristate "Xilinx ZynqMP DMA Engine"
733 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST
734 select DMA_ENGINE
735 help
736 Enable support for Xilinx ZynqMP DMA controller.
737
738config XILINX_ZYNQMP_DPDMA
739 tristate "Xilinx DPDMA Engine"
740 depends on HAS_IOMEM && OF
741 select DMA_ENGINE
742 select DMA_VIRTUAL_CHANNELS
743 help
744 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
745 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
746 driver provides the dmaengine required by the DisplayPort subsystem
747 display driver.
748
749# driver files
750source "drivers/dma/bestcomm/Kconfig"
751
752source "drivers/dma/mediatek/Kconfig"
753
754source "drivers/dma/ptdma/Kconfig"
755
756source "drivers/dma/qcom/Kconfig"
757
758source "drivers/dma/dw/Kconfig"
759
760source "drivers/dma/dw-edma/Kconfig"
761
762source "drivers/dma/hsu/Kconfig"
763
764source "drivers/dma/sf-pdma/Kconfig"
765
766source "drivers/dma/sh/Kconfig"
767
768source "drivers/dma/ti/Kconfig"
769
770source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
771
772source "drivers/dma/lgm/Kconfig"
773
774# clients
775comment "DMA Clients"
776 depends on DMA_ENGINE
777
778config ASYNC_TX_DMA
779 bool "Async_tx: Offload support for the async_tx api"
780 depends on DMA_ENGINE
781 help
782 This allows the async_tx api to take advantage of offload engines for
783 memcpy, memset, xor, and raid6 p+q operations. If your platform has
784 a dma engine that can perform raid operations and you have enabled
785 MD_RAID456 say Y.
786
787 If unsure, say N.
788
789config DMATEST
790 tristate "DMA Test client"
791 depends on DMA_ENGINE
792 select DMA_ENGINE_RAID
793 help
794 Simple DMA test client. Say N unless you're debugging a
795 DMA Device driver.
796
797config DMA_ENGINE_RAID
798 bool
799
800endif