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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 help
93 Enable support for Audio DMA Controller found on Apple Silicon SoCs.
94
95config ARM_DMA350
96 tristate "Arm DMA-350 support"
97 depends on ARM || ARM64 || COMPILE_TEST
98 select DMA_ENGINE
99 select DMA_VIRTUAL_CHANNELS
100 help
101 Enable support for the Arm DMA-350 controller.
102
103config AT_HDMAC
104 tristate "Atmel AHB DMA support"
105 depends on ARCH_AT91 || COMPILE_TEST
106 select DMA_ENGINE
107 select DMA_VIRTUAL_CHANNELS
108 help
109 Support the Atmel AHB DMA controller.
110
111config AT_XDMAC
112 tristate "Atmel XDMA support"
113 depends on ARCH_MICROCHIP
114 select DMA_ENGINE
115 help
116 Support the Atmel XDMA controller.
117
118config AXI_DMAC
119 tristate "Analog Devices AXI-DMAC DMA support"
120 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
121 select DMA_ENGINE
122 select DMA_VIRTUAL_CHANNELS
123 select REGMAP_MMIO
124 help
125 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
126 controller is often used in Analog Devices' reference designs for FPGA
127 platforms.
128
129config BCM_SBA_RAID
130 tristate "Broadcom SBA RAID engine support"
131 depends on ARM64 || COMPILE_TEST
132 depends on MAILBOX && RAID6_PQ
133 select DMA_ENGINE
134 select DMA_ENGINE_RAID
135 select ASYNC_TX_DISABLE_XOR_VAL_DMA
136 select ASYNC_TX_DISABLE_PQ_VAL_DMA
137 default m if ARCH_BCM_IPROC
138 help
139 Enable support for Broadcom SBA RAID Engine. The SBA RAID
140 engine is available on most of the Broadcom iProc SoCs. It
141 has the capability to offload memcpy, xor and pq computation
142 for raid5/6.
143
144config DMA_BCM2835
145 tristate "BCM2835 DMA engine support"
146 depends on ARCH_BCM2835 || COMPILE_TEST
147 select DMA_ENGINE
148 select DMA_VIRTUAL_CHANNELS
149
150config DMA_JZ4780
151 tristate "JZ4780 DMA support"
152 depends on MIPS || COMPILE_TEST
153 select DMA_ENGINE
154 select DMA_VIRTUAL_CHANNELS
155 help
156 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
157 If you have a board based on such a SoC and wish to use DMA for
158 devices which can use the DMA controller, say Y or M here.
159
160config DMA_SA11X0
161 tristate "SA-11x0 DMA support"
162 depends on ARCH_SA1100 || COMPILE_TEST
163 select DMA_ENGINE
164 select DMA_VIRTUAL_CHANNELS
165 help
166 Support the DMA engine found on Intel StrongARM SA-1100 and
167 SA-1110 SoCs. This DMA engine can only be used with on-chip
168 devices.
169
170config DMA_SUN4I
171 tristate "Allwinner A10 DMA SoCs support"
172 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUNIV
173 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUNIV)
174 select DMA_ENGINE
175 select DMA_VIRTUAL_CHANNELS
176 help
177 Enable support for the DMA controller present in the sun4i,
178 sun5i and sun7i Allwinner ARM SoCs.
179
180config DMA_SUN6I
181 tristate "Allwinner A31 SoCs DMA support"
182 depends on ARCH_SUNXI || COMPILE_TEST
183 depends on RESET_CONTROLLER
184 select DMA_ENGINE
185 select DMA_VIRTUAL_CHANNELS
186 help
187 Support for the DMA engine first found in Allwinner A31 SoCs.
188
189config DW_AXI_DMAC
190 tristate "Synopsys DesignWare AXI DMA support"
191 depends on OF
192 depends on HAS_IOMEM
193 select DMA_ENGINE
194 select DMA_VIRTUAL_CHANNELS
195 help
196 Enable support for Synopsys DesignWare AXI DMA controller.
197 NOTE: This driver wasn't tested on 64 bit platform because
198 of lack 64 bit platform with Synopsys DW AXI DMAC.
199
200config EP93XX_DMA
201 bool "Cirrus Logic EP93xx DMA support"
202 depends on ARCH_EP93XX || COMPILE_TEST
203 select DMA_ENGINE
204 help
205 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
206
207config FSL_DMA
208 tristate "Freescale Elo series DMA support"
209 depends on FSL_SOC
210 select DMA_ENGINE
211 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
212 help
213 Enable support for the Freescale Elo series DMA controllers.
214 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
215 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
216 some Txxx and Bxxx parts.
217
218config FSL_EDMA
219 tristate "Freescale eDMA engine support"
220 depends on OF
221 depends on HAS_IOMEM
222 select DMA_ENGINE
223 select DMA_VIRTUAL_CHANNELS
224 help
225 Support the Freescale eDMA engine with programmable channel
226 multiplexing capability for DMA request sources(slot).
227 This module can be found on Freescale Vybrid and LS-1 SoCs.
228
229config FSL_QDMA
230 tristate "NXP Layerscape qDMA engine support"
231 depends on ARM || ARM64
232 select DMA_ENGINE
233 select DMA_VIRTUAL_CHANNELS
234 select DMA_ENGINE_RAID
235 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
236 help
237 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
238 Channel virtualization is supported through enqueuing of DMA jobs to,
239 or dequeuing DMA jobs from, different work queues.
240 This module can be found on NXP Layerscape SoCs.
241 The qdma driver only work on SoCs with a DPAA hardware block.
242
243config FSL_RAID
244 tristate "Freescale RAID engine Support"
245 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
246 select DMA_ENGINE
247 select DMA_ENGINE_RAID
248 help
249 Enable support for Freescale RAID Engine. RAID Engine is
250 available on some QorIQ SoCs (like P5020/P5040). It has
251 the capability to offload memcpy, xor and pq computation
252 for raid5/6.
253
254config HISI_DMA
255 tristate "HiSilicon DMA Engine support"
256 depends on ARCH_HISI || COMPILE_TEST
257 depends on PCI_MSI
258 select DMA_ENGINE
259 select DMA_VIRTUAL_CHANNELS
260 help
261 Support HiSilicon Kunpeng DMA engine.
262
263config IMG_MDC_DMA
264 tristate "IMG MDC support"
265 depends on MIPS || COMPILE_TEST
266 depends on MFD_SYSCON
267 select DMA_ENGINE
268 select DMA_VIRTUAL_CHANNELS
269 help
270 Enable support for the IMG multi-threaded DMA controller (MDC).
271
272config IMX_DMA
273 tristate "i.MX DMA support"
274 depends on ARCH_MXC
275 select DMA_ENGINE
276 help
277 Support the i.MX DMA engine. This engine is integrated into
278 Freescale i.MX1/21/27 chips.
279
280config IMX_SDMA
281 tristate "i.MX SDMA support"
282 depends on ARCH_MXC
283 select DMA_ENGINE
284 select DMA_VIRTUAL_CHANNELS
285 help
286 Support the i.MX SDMA engine. This engine is integrated into
287 Freescale i.MX25/31/35/51/53/6 chips.
288
289config INTEL_IDMA64
290 tristate "Intel integrated DMA 64-bit support"
291 depends on HAS_IOMEM
292 select DMA_ENGINE
293 select DMA_VIRTUAL_CHANNELS
294 help
295 Enable DMA support for Intel Low Power Subsystem such as found on
296 Intel Skylake PCH.
297
298config INTEL_IDXD_BUS
299 tristate
300 default INTEL_IDXD
301
302config INTEL_IDXD
303 tristate "Intel Data Accelerators support"
304 depends on PCI && X86_64 && !UML
305 depends on PCI_MSI
306 depends on PCI_PASID
307 depends on SBITMAP
308 select DMA_ENGINE
309 help
310 Enable support for the Intel(R) data accelerators present
311 in Intel Xeon CPU.
312
313 Say Y if you have such a platform.
314
315 If unsure, say N.
316
317config INTEL_IDXD_COMPAT
318 bool "Legacy behavior for idxd driver"
319 depends on PCI && X86_64
320 select INTEL_IDXD_BUS
321 help
322 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
323 The old behavior performed driver bind/unbind for device and wq
324 devices all under the dsa driver. The compat driver will emulate
325 the legacy behavior in order to allow existing support apps (i.e.
326 accel-config) to continue function. It is expected that accel-config
327 v3.2 and earlier will need the compat mode. A distro with later
328 accel-config version can disable this compat config.
329
330 Say Y if you have old applications that require such behavior.
331
332 If unsure, say N.
333
334# Config symbol that collects all the dependencies that's necessary to
335# support shared virtual memory for the devices supported by idxd.
336config INTEL_IDXD_SVM
337 bool "Accelerator Shared Virtual Memory Support"
338 depends on INTEL_IDXD
339 depends on INTEL_IOMMU_SVM
340 depends on PCI_PRI
341 depends on PCI_PASID
342 depends on PCI_IOV
343
344config INTEL_IDXD_PERFMON
345 bool "Intel Data Accelerators performance monitor support"
346 depends on INTEL_IDXD
347 help
348 Enable performance monitor (pmu) support for the Intel(R)
349 data accelerators present in Intel Xeon CPU. With this
350 enabled, perf can be used to monitor the DSA (Intel Data
351 Streaming Accelerator) events described in the Intel DSA
352 spec.
353
354 If unsure, say N.
355
356config INTEL_IOATDMA
357 tristate "Intel I/OAT DMA support"
358 depends on PCI && X86_64 && !UML
359 select DMA_ENGINE
360 select DMA_ENGINE_RAID
361 select DCA
362 help
363 Enable support for the Intel(R) I/OAT DMA engine present
364 in recent Intel Xeon chipsets.
365
366 Say Y here if you have such a chipset.
367
368 If unsure, say N.
369
370config K3_DMA
371 tristate "Hisilicon K3 DMA support"
372 depends on ARCH_HISI || COMPILE_TEST
373 select DMA_ENGINE
374 select DMA_VIRTUAL_CHANNELS
375 help
376 Support the DMA engine for Hisilicon K3 platform
377 devices.
378
379config LOONGSON1_APB_DMA
380 tristate "Loongson1 APB DMA support"
381 depends on MACH_LOONGSON32 || COMPILE_TEST
382 select DMA_ENGINE
383 select DMA_VIRTUAL_CHANNELS
384 help
385 This selects support for the APB DMA controller in Loongson1 SoCs,
386 which is required by Loongson1 NAND and audio support.
387
388config LOONGSON2_APB_DMA
389 tristate "Loongson2 APB DMA support"
390 depends on LOONGARCH || COMPILE_TEST
391 select DMA_ENGINE
392 select DMA_VIRTUAL_CHANNELS
393 help
394 Support for the Loongson2 APB DMA controller driver. The
395 DMA controller is having single DMA channel which can be
396 configured for different peripherals like audio, nand, sdio
397 etc which is in APB bus.
398
399 This DMA controller transfers data from memory to peripheral fifo.
400 It does not support memory to memory data transfer.
401
402config LPC18XX_DMAMUX
403 bool "NXP LPC18xx/43xx DMA MUX for PL080"
404 depends on ARCH_LPC18XX || COMPILE_TEST
405 depends on OF && AMBA_PL08X
406 select MFD_SYSCON
407 help
408 Enable support for DMA on NXP LPC18xx/43xx platforms
409 with PL080 and multiplexed DMA request lines.
410
411config LPC32XX_DMAMUX
412 bool "NXP LPC32xx DMA MUX for PL080"
413 depends on ARCH_LPC32XX || COMPILE_TEST
414 depends on OF && AMBA_PL08X
415 select MFD_SYSCON
416 help
417 Support for PL080 multiplexed DMA request lines on
418 LPC32XX platrofm.
419
420config MCF_EDMA
421 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
422 depends on M5441x || (COMPILE_TEST && FSL_EDMA=n)
423 select DMA_ENGINE
424 select DMA_VIRTUAL_CHANNELS
425 help
426 Support the Freescale ColdFire eDMA engine, 64-channel
427 implementation that performs complex data transfers with
428 minimal intervention from a host processor.
429 This module can be found on Freescale ColdFire mcf5441x SoCs.
430
431config MILBEAUT_HDMAC
432 tristate "Milbeaut AHB DMA support"
433 depends on ARCH_MILBEAUT || COMPILE_TEST
434 depends on OF
435 select DMA_ENGINE
436 select DMA_VIRTUAL_CHANNELS
437 help
438 Say yes here to support the Socionext Milbeaut
439 HDMAC device.
440
441config MILBEAUT_XDMAC
442 tristate "Milbeaut AXI DMA support"
443 depends on ARCH_MILBEAUT || COMPILE_TEST
444 depends on OF
445 select DMA_ENGINE
446 select DMA_VIRTUAL_CHANNELS
447 help
448 Say yes here to support the Socionext Milbeaut
449 XDMAC device.
450
451config MMP_PDMA
452 tristate "MMP PDMA support"
453 depends on ARCH_MMP || ARCH_PXA || ARCH_SPACEMIT || COMPILE_TEST
454 select DMA_ENGINE
455 help
456 Support the MMP PDMA engine for PXA and MMP platform.
457
458config MMP_TDMA
459 tristate "MMP Two-Channel DMA support"
460 depends on ARCH_MMP || COMPILE_TEST
461 select DMA_ENGINE
462 select GENERIC_ALLOCATOR
463 help
464 Support the MMP Two-Channel DMA engine.
465 This engine used for MMP Audio DMA and pxa910 SQU.
466
467config MOXART_DMA
468 tristate "MOXART DMA support"
469 depends on ARCH_MOXART
470 select DMA_ENGINE
471 select DMA_VIRTUAL_CHANNELS
472 help
473 Enable support for the MOXA ART SoC DMA controller.
474
475 Say Y here if you enabled MMP ADMA, otherwise say N.
476
477config MPC512X_DMA
478 tristate "Freescale MPC512x built-in DMA engine support"
479 depends on PPC_MPC512x || PPC_MPC831x
480 select DMA_ENGINE
481 help
482 Enable support for the Freescale MPC512x built-in DMA engine.
483
484config MV_XOR
485 bool "Marvell XOR engine support"
486 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
487 select DMA_ENGINE
488 select DMA_ENGINE_RAID
489 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
490 help
491 Enable support for the Marvell XOR engine.
492
493config MV_XOR_V2
494 bool "Marvell XOR engine version 2 support "
495 depends on ARM64
496 select DMA_ENGINE
497 select DMA_ENGINE_RAID
498 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
499 select GENERIC_MSI_IRQ
500 help
501 Enable support for the Marvell version 2 XOR engine.
502
503 This engine provides acceleration for copy, XOR and RAID6
504 operations, and is available on Marvell Armada 7K and 8K
505 platforms.
506
507config MXS_DMA
508 bool "MXS DMA support"
509 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
510 select STMP_DEVICE
511 select DMA_ENGINE
512 help
513 Support the MXS DMA engine. This engine including APBH-DMA
514 and APBX-DMA is integrated into some Freescale chips.
515
516config NBPFAXI_DMA
517 tristate "Renesas Type-AXI NBPF DMA support"
518 select DMA_ENGINE
519 depends on ARM || COMPILE_TEST
520 help
521 Support for "Type-AXI" NBPF DMA IPs from Renesas
522
523config OWL_DMA
524 tristate "Actions Semi Owl SoCs DMA support"
525 depends on ARCH_ACTIONS
526 select DMA_ENGINE
527 select DMA_VIRTUAL_CHANNELS
528 help
529 Enable support for the Actions Semi Owl SoCs DMA controller.
530
531config PCH_DMA
532 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
533 depends on PCI && (X86_32 || COMPILE_TEST)
534 select DMA_ENGINE
535 help
536 Enable support for Intel EG20T PCH DMA engine.
537
538 This driver also can be used for LAPIS Semiconductor IOH(Input/
539 Output Hub), ML7213, ML7223 and ML7831.
540 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
541 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
542 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
543 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
544
545config PL330_DMA
546 tristate "DMA API Driver for PL330"
547 select DMA_ENGINE
548 depends on ARM_AMBA
549 help
550 Select if your platform has one or more PL330 DMACs.
551 You need to provide platform specific settings via
552 platform_data for a dma-pl330 device.
553
554config PXA_DMA
555 bool "PXA DMA support"
556 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
557 select DMA_ENGINE
558 select DMA_VIRTUAL_CHANNELS
559 help
560 Support the DMA engine for PXA. It is also compatible with MMP PDMA
561 platform. The internal DMA IP of all PXA variants is supported, with
562 16 to 32 channels for peripheral to memory or memory to memory
563 transfers.
564
565config PLX_DMA
566 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
567 depends on PCI
568 select DMA_ENGINE
569 help
570 Some PLX ExpressLane PCI Switches support additional DMA engines.
571 These are exposed via extra functions on the switch's
572 upstream port. Each function exposes one DMA channel.
573
574config SOPHGO_CV1800B_DMAMUX
575 tristate "Sophgo CV1800/SG2000 series SoC DMA multiplexer support"
576 depends on MFD_SYSCON
577 depends on ARCH_SOPHGO || COMPILE_TEST
578 help
579 Support for the DMA multiplexer on Sophgo CV1800/SG2000
580 series SoCs.
581 Say Y here if your board have this soc.
582
583config STE_DMA40
584 bool "ST-Ericsson DMA40 support"
585 depends on ARCH_U8500
586 select DMA_ENGINE
587 select SRAM
588 help
589 Support for ST-Ericsson DMA40 controller
590
591config ST_FDMA
592 tristate "ST FDMA dmaengine support"
593 depends on ARCH_STI
594 depends on REMOTEPROC
595 select ST_SLIM_REMOTEPROC
596 select DMA_ENGINE
597 select DMA_VIRTUAL_CHANNELS
598 help
599 Enable support for ST FDMA controller.
600 It supports 16 independent DMA channels, accepts up to 32 DMA requests
601
602 Say Y here if you have such a chipset.
603 If unsure, say N.
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 TXX9_DMAC
614 tristate "Toshiba TXx9 SoC DMA support"
615 depends on MACH_TX49XX
616 select DMA_ENGINE
617 help
618 Support the TXx9 SoC internal DMA controller. This can be
619 integrated in chips such as the Toshiba TX4927/38/39.
620
621config TEGRA186_GPC_DMA
622 tristate "NVIDIA Tegra GPC DMA support"
623 depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT
624 depends on IOMMU_API
625 select DMA_ENGINE
626 select DMA_VIRTUAL_CHANNELS
627 help
628 Support for the NVIDIA Tegra General Purpose Central DMA controller.
629 The DMA controller has multiple DMA channels which can be configured
630 for different peripherals like UART, SPI, etc which are on APB bus.
631 This DMA controller transfers data from memory to peripheral FIFO
632 or vice versa. It also supports memory to memory data transfer.
633
634config TEGRA20_APB_DMA
635 tristate "NVIDIA Tegra20 APB DMA support"
636 depends on ARCH_TEGRA || COMPILE_TEST
637 select DMA_ENGINE
638 help
639 Support for the NVIDIA Tegra20 APB DMA controller driver. The
640 DMA controller is having multiple DMA channel which can be
641 configured for different peripherals like audio, UART, SPI,
642 I2C etc which is in APB bus.
643 This DMA controller transfers data from memory to peripheral fifo
644 or vice versa. It does not support memory to memory data transfer.
645
646config TEGRA210_ADMA
647 tristate "NVIDIA Tegra210 ADMA support"
648 depends on (ARCH_TEGRA || COMPILE_TEST)
649 select DMA_ENGINE
650 select DMA_VIRTUAL_CHANNELS
651 help
652 Support for the NVIDIA Tegra210/Tegra186/Tegra194/Tegra234 ADMA
653 controller driver. The DMA controller has multiple DMA channels
654 and is used to service various audio clients in the Tegra210
655 audio processing engine (APE). This DMA controller transfers
656 data from memory to peripheral and vice versa. It does not
657 support memory to memory data transfer.
658
659config TIMB_DMA
660 tristate "Timberdale FPGA DMA support"
661 depends on MFD_TIMBERDALE || COMPILE_TEST
662 select DMA_ENGINE
663 help
664 Enable support for the Timberdale FPGA DMA engine.
665
666config UNIPHIER_MDMAC
667 tristate "UniPhier MIO DMAC"
668 depends on ARCH_UNIPHIER || COMPILE_TEST
669 depends on OF
670 select DMA_ENGINE
671 select DMA_VIRTUAL_CHANNELS
672 help
673 Enable support for the MIO DMAC (Media I/O DMA controller) on the
674 UniPhier platform. This DMA controller is used as the external
675 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
676
677config UNIPHIER_XDMAC
678 tristate "UniPhier XDMAC support"
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 XDMAC (external DMA controller) on the
685 UniPhier platform. This DMA controller can transfer data from
686 memory to memory, memory to peripheral and peripheral to memory.
687
688config XGENE_DMA
689 tristate "APM X-Gene DMA support"
690 depends on ARCH_XGENE || COMPILE_TEST
691 select DMA_ENGINE
692 select DMA_ENGINE_RAID
693 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
694 help
695 Enable support for the APM X-Gene SoC DMA engine.
696
697config XILINX_DMA
698 tristate "Xilinx AXI DMAS Engine"
699 depends on HAS_IOMEM
700 select DMA_ENGINE
701 help
702 Enable support for Xilinx AXI VDMA Soft IP.
703
704 AXI VDMA engine provides high-bandwidth direct memory access
705 between memory and AXI4-Stream video type target
706 peripherals including peripherals which support AXI4-
707 Stream Video Protocol. It has two stream interfaces/
708 channels, Memory Mapped to Stream (MM2S) and Stream to
709 Memory Mapped (S2MM) for the data transfers.
710 AXI CDMA engine provides high-bandwidth direct memory access
711 between a memory-mapped source address and a memory-mapped
712 destination address.
713 AXI DMA engine provides high-bandwidth one dimensional direct
714 memory access between memory and AXI4-Stream target peripherals.
715 AXI MCDMA engine provides high-bandwidth direct memory access
716 between memory and AXI4-Stream target peripherals. It provides
717 the scatter gather interface with multiple channels independent
718 configuration support.
719
720config XILINX_XDMA
721 tristate "Xilinx DMA/Bridge Subsystem DMA Engine"
722 depends on HAS_IOMEM
723 select DMA_ENGINE
724 select DMA_VIRTUAL_CHANNELS
725 select REGMAP_MMIO
726 help
727 Enable support for Xilinx DMA/Bridge Subsystem DMA engine. The DMA
728 provides high performance block data movement between Host memory
729 and the DMA subsystem. These direct memory transfers can be both in
730 the Host to Card (H2C) and Card to Host (C2H) transfers.
731 The core also provides up to 16 user interrupt wires that generate
732 interrupts to the host.
733
734config XILINX_ZYNQMP_DMA
735 tristate "Xilinx ZynqMP DMA Engine"
736 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST
737 select DMA_ENGINE
738 help
739 Enable support for Xilinx ZynqMP DMA controller.
740
741config XILINX_ZYNQMP_DPDMA
742 tristate "Xilinx DPDMA Engine"
743 depends on HAS_IOMEM && OF
744 select DMA_ENGINE
745 select DMA_VIRTUAL_CHANNELS
746 help
747 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
748 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
749 driver provides the dmaengine required by the DisplayPort subsystem
750 display driver.
751
752# driver files
753source "drivers/dma/amd/Kconfig"
754
755source "drivers/dma/bestcomm/Kconfig"
756
757source "drivers/dma/mediatek/Kconfig"
758
759source "drivers/dma/qcom/Kconfig"
760
761source "drivers/dma/dw/Kconfig"
762
763source "drivers/dma/dw-edma/Kconfig"
764
765source "drivers/dma/hsu/Kconfig"
766
767source "drivers/dma/sf-pdma/Kconfig"
768
769source "drivers/dma/sh/Kconfig"
770
771source "drivers/dma/ti/Kconfig"
772
773source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
774
775source "drivers/dma/lgm/Kconfig"
776
777source "drivers/dma/stm32/Kconfig"
778
779# clients
780comment "DMA Clients"
781 depends on DMA_ENGINE
782
783config ASYNC_TX_DMA
784 bool "Async_tx: Offload support for the async_tx api"
785 depends on DMA_ENGINE
786 help
787 This allows the async_tx api to take advantage of offload engines for
788 memcpy, memset, xor, and raid6 p+q operations. If your platform has
789 a dma engine that can perform raid operations and you have enabled
790 MD_RAID456 say Y.
791
792 If unsure, say N.
793
794config DMATEST
795 tristate "DMA Test client"
796 depends on DMA_ENGINE
797 select DMA_ENGINE_RAID
798 help
799 Simple DMA test client. Say N unless you're debugging a
800 DMA Device driver.
801
802config DMA_ENGINE_RAID
803 bool
804
805endif