xref: /openbmc/linux/drivers/dma/Kconfig (revision b7019ac5)
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	select DMA_ENGINE
63	help
64	  Enable support for Altera / Intel mSGDMA controller.
65
66config 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
77config 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
87config 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
94config 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
101config 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	help
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
109	  platforms.
110
111config BCM_SBA_RAID
112	tristate "Broadcom SBA RAID engine support"
113	depends on ARM64 || COMPILE_TEST
114	depends on MAILBOX && RAID6_PQ
115	select DMA_ENGINE
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
120	help
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
124	  for raid5/6.
125
126config COH901318
127	bool "ST-Ericsson COH901318 DMA support"
128	select DMA_ENGINE
129	depends on ARCH_U300 || COMPILE_TEST
130	help
131	  Enable support for ST-Ericsson COH 901 318 DMA.
132
133config DMA_BCM2835
134	tristate "BCM2835 DMA engine support"
135	depends on ARCH_BCM2835
136	select DMA_ENGINE
137	select DMA_VIRTUAL_CHANNELS
138
139config DMA_JZ4740
140	tristate "JZ4740 DMA support"
141	depends on MACH_JZ4740 || COMPILE_TEST
142	select DMA_ENGINE
143	select DMA_VIRTUAL_CHANNELS
144
145config DMA_JZ4780
146	tristate "JZ4780 DMA support"
147	depends on MIPS || COMPILE_TEST
148	select DMA_ENGINE
149	select DMA_VIRTUAL_CHANNELS
150	help
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.
154
155config DMA_SA11X0
156	tristate "SA-11x0 DMA support"
157	depends on ARCH_SA1100 || COMPILE_TEST
158	select DMA_ENGINE
159	select DMA_VIRTUAL_CHANNELS
160	help
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
163	  devices.
164
165config DMA_SUN4I
166	tristate "Allwinner A10 DMA SoCs support"
167	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
168	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
169	select DMA_ENGINE
170	select DMA_VIRTUAL_CHANNELS
171	help
172	  Enable support for the DMA controller present in the sun4i,
173	  sun5i and sun7i Allwinner ARM SoCs.
174
175config DMA_SUN6I
176	tristate "Allwinner A31 SoCs DMA support"
177	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
178	depends on RESET_CONTROLLER
179	select DMA_ENGINE
180	select DMA_VIRTUAL_CHANNELS
181	help
182	  Support for the DMA engine first found in Allwinner A31 SoCs.
183
184config DW_AXI_DMAC
185	tristate "Synopsys DesignWare AXI DMA support"
186	depends on OF || COMPILE_TEST
187	select DMA_ENGINE
188	select DMA_VIRTUAL_CHANNELS
189	help
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.
193
194config EP93XX_DMA
195	bool "Cirrus Logic EP93xx DMA support"
196	depends on ARCH_EP93XX || COMPILE_TEST
197	select DMA_ENGINE
198	help
199	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
200
201config FSL_DMA
202	tristate "Freescale Elo series DMA support"
203	depends on FSL_SOC
204	select DMA_ENGINE
205	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
206	---help---
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.
211
212config FSL_EDMA
213	tristate "Freescale eDMA engine support"
214	depends on OF
215	select DMA_ENGINE
216	select DMA_VIRTUAL_CHANNELS
217	help
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.
221
222config FSL_QDMA
223       tristate "NXP Layerscape qDMA engine support"
224       depends on ARM || ARM64
225       select DMA_ENGINE
226       select DMA_VIRTUAL_CHANNELS
227       select DMA_ENGINE_RAID
228       select ASYNC_TX_ENABLE_CHANNEL_SWITCH
229       help
230         Support the NXP Layerscape qDMA engine with command queue and legacy mode.
231         Channel virtualization is supported through enqueuing of DMA jobs to,
232         or dequeuing DMA jobs from, different work queues.
233         This module can be found on NXP Layerscape SoCs.
234	  The qdma driver only work on  SoCs with a DPAA hardware block.
235
236config FSL_RAID
237        tristate "Freescale RAID engine Support"
238        depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
239        select DMA_ENGINE
240        select DMA_ENGINE_RAID
241        ---help---
242          Enable support for Freescale RAID Engine. RAID Engine is
243          available on some QorIQ SoCs (like P5020/P5040). It has
244          the capability to offload memcpy, xor and pq computation
245	  for raid5/6.
246
247config IMG_MDC_DMA
248	tristate "IMG MDC support"
249	depends on MIPS || COMPILE_TEST
250	depends on MFD_SYSCON
251	select DMA_ENGINE
252	select DMA_VIRTUAL_CHANNELS
253	help
254	  Enable support for the IMG multi-threaded DMA controller (MDC).
255
256config IMX_DMA
257	tristate "i.MX DMA support"
258	depends on ARCH_MXC
259	select DMA_ENGINE
260	help
261	  Support the i.MX DMA engine. This engine is integrated into
262	  Freescale i.MX1/21/27 chips.
263
264config IMX_SDMA
265	tristate "i.MX SDMA support"
266	depends on ARCH_MXC
267	select DMA_ENGINE
268	select DMA_VIRTUAL_CHANNELS
269	help
270	  Support the i.MX SDMA engine. This engine is integrated into
271	  Freescale i.MX25/31/35/51/53/6 chips.
272
273config INTEL_IDMA64
274	tristate "Intel integrated DMA 64-bit support"
275	select DMA_ENGINE
276	select DMA_VIRTUAL_CHANNELS
277	help
278	  Enable DMA support for Intel Low Power Subsystem such as found on
279	  Intel Skylake PCH.
280
281config INTEL_IOATDMA
282	tristate "Intel I/OAT DMA support"
283	depends on PCI && X86_64
284	select DMA_ENGINE
285	select DMA_ENGINE_RAID
286	select DCA
287	help
288	  Enable support for the Intel(R) I/OAT DMA engine present
289	  in recent Intel Xeon chipsets.
290
291	  Say Y here if you have such a chipset.
292
293	  If unsure, say N.
294
295config INTEL_IOP_ADMA
296	tristate "Intel IOP ADMA support"
297	depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
298	select DMA_ENGINE
299	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
300	help
301	  Enable support for the Intel(R) IOP Series RAID engines.
302
303config INTEL_MIC_X100_DMA
304	tristate "Intel MIC X100 DMA Driver"
305	depends on 64BIT && X86 && INTEL_MIC_BUS
306	select DMA_ENGINE
307	help
308	  This enables DMA support for the Intel Many Integrated Core
309	  (MIC) family of PCIe form factor coprocessor X100 devices that
310	  run a 64 bit Linux OS. This driver will be used by both MIC
311	  host and card drivers.
312
313	  If you are building host kernel with a MIC device or a card
314	  kernel for a MIC device, then say M (recommended) or Y, else
315	  say N. If unsure say N.
316
317	  More information about the Intel MIC family as well as the Linux
318	  OS and tools for MIC to use with this driver are available from
319	  <http://software.intel.com/en-us/mic-developer>.
320
321config K3_DMA
322	tristate "Hisilicon K3 DMA support"
323	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
324	select DMA_ENGINE
325	select DMA_VIRTUAL_CHANNELS
326	help
327	  Support the DMA engine for Hisilicon K3 platform
328	  devices.
329
330config LPC18XX_DMAMUX
331	bool "NXP LPC18xx/43xx DMA MUX for PL080"
332	depends on ARCH_LPC18XX || COMPILE_TEST
333	depends on OF && AMBA_PL08X
334	select MFD_SYSCON
335	help
336	  Enable support for DMA on NXP LPC18xx/43xx platforms
337	  with PL080 and multiplexed DMA request lines.
338
339config MCF_EDMA
340	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
341	depends on M5441x || COMPILE_TEST
342	select DMA_ENGINE
343	select DMA_VIRTUAL_CHANNELS
344	help
345	  Support the Freescale ColdFire eDMA engine, 64-channel
346	  implementation that performs complex data transfers with
347	  minimal intervention from a host processor.
348	  This module can be found on Freescale ColdFire mcf5441x SoCs.
349
350config MMP_PDMA
351	bool "MMP PDMA support"
352	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
353	select DMA_ENGINE
354	help
355	  Support the MMP PDMA engine for PXA and MMP platform.
356
357config MMP_TDMA
358	bool "MMP Two-Channel DMA support"
359	depends on ARCH_MMP || COMPILE_TEST
360	select DMA_ENGINE
361	select MMP_SRAM if ARCH_MMP
362	select GENERIC_ALLOCATOR
363	help
364	  Support the MMP Two-Channel DMA engine.
365	  This engine used for MMP Audio DMA and pxa910 SQU.
366	  It needs sram driver under mach-mmp.
367
368config MOXART_DMA
369	tristate "MOXART DMA support"
370	depends on ARCH_MOXART
371	select DMA_ENGINE
372	select DMA_VIRTUAL_CHANNELS
373	help
374	  Enable support for the MOXA ART SoC DMA controller.
375
376	  Say Y here if you enabled MMP ADMA, otherwise say N.
377
378config MPC512X_DMA
379	tristate "Freescale MPC512x built-in DMA engine support"
380	depends on PPC_MPC512x || PPC_MPC831x
381	select DMA_ENGINE
382	---help---
383	  Enable support for the Freescale MPC512x built-in DMA engine.
384
385config MV_XOR
386	bool "Marvell XOR engine support"
387	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
388	select DMA_ENGINE
389	select DMA_ENGINE_RAID
390	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
391	---help---
392	  Enable support for the Marvell XOR engine.
393
394config MV_XOR_V2
395	bool "Marvell XOR engine version 2 support "
396	depends on ARM64
397	select DMA_ENGINE
398	select DMA_ENGINE_RAID
399	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
400	select GENERIC_MSI_IRQ_DOMAIN
401	---help---
402	  Enable support for the Marvell version 2 XOR engine.
403
404	  This engine provides acceleration for copy, XOR and RAID6
405	  operations, and is available on Marvell Armada 7K and 8K
406	  platforms.
407
408config MXS_DMA
409	bool "MXS DMA support"
410	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
411	select STMP_DEVICE
412	select DMA_ENGINE
413	help
414	  Support the MXS DMA engine. This engine including APBH-DMA
415	  and APBX-DMA is integrated into some Freescale chips.
416
417config MX3_IPU
418	bool "MX3x Image Processing Unit support"
419	depends on ARCH_MXC
420	select DMA_ENGINE
421	default y
422	help
423	  If you plan to use the Image Processing unit in the i.MX3x, say
424	  Y here. If unsure, select Y.
425
426config MX3_IPU_IRQS
427	int "Number of dynamically mapped interrupts for IPU"
428	depends on MX3_IPU
429	range 2 137
430	default 4
431	help
432	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
433	  To avoid bloating the irq_desc[] array we allocate a sufficient
434	  number of IRQ slots and map them dynamically to specific sources.
435
436config NBPFAXI_DMA
437	tristate "Renesas Type-AXI NBPF DMA support"
438	select DMA_ENGINE
439	depends on ARM || COMPILE_TEST
440	help
441	  Support for "Type-AXI" NBPF DMA IPs from Renesas
442
443config OWL_DMA
444	tristate "Actions Semi Owl SoCs DMA support"
445	depends on ARCH_ACTIONS
446	select DMA_ENGINE
447	select DMA_VIRTUAL_CHANNELS
448	help
449	  Enable support for the Actions Semi Owl SoCs DMA controller.
450
451config PCH_DMA
452	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
453	depends on PCI && (X86_32 || COMPILE_TEST)
454	select DMA_ENGINE
455	help
456	  Enable support for Intel EG20T PCH DMA engine.
457
458	  This driver also can be used for LAPIS Semiconductor IOH(Input/
459	  Output Hub), ML7213, ML7223 and ML7831.
460	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
461	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
462	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
463	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
464
465config PL330_DMA
466	tristate "DMA API Driver for PL330"
467	select DMA_ENGINE
468	depends on ARM_AMBA
469	help
470	  Select if your platform has one or more PL330 DMACs.
471	  You need to provide platform specific settings via
472	  platform_data for a dma-pl330 device.
473
474config PXA_DMA
475	bool "PXA DMA support"
476	depends on (ARCH_MMP || ARCH_PXA)
477	select DMA_ENGINE
478	select DMA_VIRTUAL_CHANNELS
479	help
480	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
481	  platform. The internal DMA IP of all PXA variants is supported, with
482	  16 to 32 channels for peripheral to memory or memory to memory
483	  transfers.
484
485config SIRF_DMA
486	tristate "CSR SiRFprimaII/SiRFmarco DMA support"
487	depends on ARCH_SIRF
488	select DMA_ENGINE
489	help
490	  Enable support for the CSR SiRFprimaII DMA engine.
491
492config STE_DMA40
493	bool "ST-Ericsson DMA40 support"
494	depends on ARCH_U8500
495	select DMA_ENGINE
496	help
497	  Support for ST-Ericsson DMA40 controller
498
499config ST_FDMA
500	tristate "ST FDMA dmaengine support"
501	depends on ARCH_STI
502	depends on REMOTEPROC
503	select ST_SLIM_REMOTEPROC
504	select DMA_ENGINE
505	select DMA_VIRTUAL_CHANNELS
506	help
507	  Enable support for ST FDMA controller.
508	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
509
510	  Say Y here if you have such a chipset.
511	  If unsure, say N.
512
513config STM32_DMA
514	bool "STMicroelectronics STM32 DMA support"
515	depends on ARCH_STM32 || COMPILE_TEST
516	select DMA_ENGINE
517	select DMA_VIRTUAL_CHANNELS
518	help
519	  Enable support for the on-chip DMA controller on STMicroelectronics
520	  STM32 MCUs.
521	  If you have a board based on such a MCU and wish to use DMA say Y
522	  here.
523
524config STM32_DMAMUX
525	bool "STMicroelectronics STM32 dma multiplexer support"
526	depends on STM32_DMA || COMPILE_TEST
527	help
528	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
529	  STM32 MCUs.
530	  If you have a board based on such a MCU and wish to use DMAMUX say Y
531	  here.
532
533config STM32_MDMA
534	bool "STMicroelectronics STM32 master dma support"
535	depends on ARCH_STM32 || COMPILE_TEST
536	depends on OF
537	select DMA_ENGINE
538	select DMA_VIRTUAL_CHANNELS
539	help
540	  Enable support for the on-chip MDMA controller on STMicroelectronics
541	  STM32 platforms.
542	  If you have a board based on STM32 SoC and wish to use the master DMA
543	  say Y here.
544
545config SPRD_DMA
546	tristate "Spreadtrum DMA support"
547	depends on ARCH_SPRD || COMPILE_TEST
548	select DMA_ENGINE
549	select DMA_VIRTUAL_CHANNELS
550	help
551	  Enable support for the on-chip DMA controller on Spreadtrum platform.
552
553config S3C24XX_DMAC
554	bool "Samsung S3C24XX DMA support"
555	depends on ARCH_S3C24XX || COMPILE_TEST
556	select DMA_ENGINE
557	select DMA_VIRTUAL_CHANNELS
558	help
559	  Support for the Samsung S3C24XX DMA controller driver. The
560	  DMA controller is having multiple DMA channels which can be
561	  configured for different peripherals like audio, UART, SPI.
562	  The DMA controller can transfer data from memory to peripheral,
563	  periphal to memory, periphal to periphal and memory to memory.
564
565config TXX9_DMAC
566	tristate "Toshiba TXx9 SoC DMA support"
567	depends on MACH_TX49XX || MACH_TX39XX
568	select DMA_ENGINE
569	help
570	  Support the TXx9 SoC internal DMA controller.  This can be
571	  integrated in chips such as the Toshiba TX4927/38/39.
572
573config TEGRA20_APB_DMA
574	bool "NVIDIA Tegra20 APB DMA support"
575	depends on ARCH_TEGRA
576	select DMA_ENGINE
577	help
578	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
579	  DMA controller is having multiple DMA channel which can be
580	  configured for different peripherals like audio, UART, SPI,
581	  I2C etc which is in APB bus.
582	  This DMA controller transfers data from memory to peripheral fifo
583	  or vice versa. It does not support memory to memory data transfer.
584
585config TEGRA210_ADMA
586	tristate "NVIDIA Tegra210 ADMA support"
587	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
588	select DMA_ENGINE
589	select DMA_VIRTUAL_CHANNELS
590	help
591	  Support for the NVIDIA Tegra210 ADMA controller driver. The
592	  DMA controller has multiple DMA channels and is used to service
593	  various audio clients in the Tegra210 audio processing engine
594	  (APE). This DMA controller transfers data from memory to
595	  peripheral and vice versa. It does not support memory to
596	  memory data transfer.
597
598config TIMB_DMA
599	tristate "Timberdale FPGA DMA support"
600	depends on MFD_TIMBERDALE || COMPILE_TEST
601	select DMA_ENGINE
602	help
603	  Enable support for the Timberdale FPGA DMA engine.
604
605config UNIPHIER_MDMAC
606	tristate "UniPhier MIO DMAC"
607	depends on ARCH_UNIPHIER || COMPILE_TEST
608	depends on OF
609	select DMA_ENGINE
610	select DMA_VIRTUAL_CHANNELS
611	help
612	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
613	  UniPhier platform.  This DMA controller is used as the external
614	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
615
616config XGENE_DMA
617	tristate "APM X-Gene DMA support"
618	depends on ARCH_XGENE || COMPILE_TEST
619	select DMA_ENGINE
620	select DMA_ENGINE_RAID
621	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
622	help
623	  Enable support for the APM X-Gene SoC DMA engine.
624
625config XILINX_DMA
626	tristate "Xilinx AXI DMAS Engine"
627	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
628	select DMA_ENGINE
629	help
630	  Enable support for Xilinx AXI VDMA Soft IP.
631
632	  AXI VDMA engine provides high-bandwidth direct memory access
633	  between memory and AXI4-Stream video type target
634	  peripherals including peripherals which support AXI4-
635	  Stream Video Protocol.  It has two stream interfaces/
636	  channels, Memory Mapped to Stream (MM2S) and Stream to
637	  Memory Mapped (S2MM) for the data transfers.
638	  AXI CDMA engine provides high-bandwidth direct memory access
639	  between a memory-mapped source address and a memory-mapped
640	  destination address.
641	  AXI DMA engine provides high-bandwidth one dimensional direct
642	  memory access between memory and AXI4-Stream target peripherals.
643
644config XILINX_ZYNQMP_DMA
645	tristate "Xilinx ZynqMP DMA Engine"
646	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
647	select DMA_ENGINE
648	help
649	  Enable support for Xilinx ZynqMP DMA controller.
650
651config ZX_DMA
652	tristate "ZTE ZX DMA support"
653	depends on ARCH_ZX || COMPILE_TEST
654	select DMA_ENGINE
655	select DMA_VIRTUAL_CHANNELS
656	help
657	  Support the DMA engine for ZTE ZX family platform devices.
658
659
660# driver files
661source "drivers/dma/bestcomm/Kconfig"
662
663source "drivers/dma/mediatek/Kconfig"
664
665source "drivers/dma/qcom/Kconfig"
666
667source "drivers/dma/dw/Kconfig"
668
669source "drivers/dma/hsu/Kconfig"
670
671source "drivers/dma/sh/Kconfig"
672
673source "drivers/dma/ti/Kconfig"
674
675# clients
676comment "DMA Clients"
677	depends on DMA_ENGINE
678
679config ASYNC_TX_DMA
680	bool "Async_tx: Offload support for the async_tx api"
681	depends on DMA_ENGINE
682	help
683	  This allows the async_tx api to take advantage of offload engines for
684	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
685	  a dma engine that can perform raid operations and you have enabled
686	  MD_RAID456 say Y.
687
688	  If unsure, say N.
689
690config DMATEST
691	tristate "DMA Test client"
692	depends on DMA_ENGINE
693	select DMA_ENGINE_RAID
694	help
695	  Simple DMA test client. Say N unless you're debugging a
696	  DMA Device driver.
697
698config DMA_ENGINE_RAID
699	bool
700
701endif
702