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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 AT_HDMAC
89	tristate "Atmel AHB DMA support"
90	depends on ARCH_AT91
91	select DMA_ENGINE
92	help
93	  Support the Atmel AHB DMA controller.
94
95config AT_XDMAC
96	tristate "Atmel XDMA support"
97	depends on ARCH_AT91
98	select DMA_ENGINE
99	help
100	  Support the Atmel XDMA controller.
101
102config AXI_DMAC
103	tristate "Analog Devices AXI-DMAC DMA support"
104	depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST
105	select DMA_ENGINE
106	select DMA_VIRTUAL_CHANNELS
107	select REGMAP_MMIO
108	help
109	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
110	  controller is often used in Analog Devices' reference designs for FPGA
111	  platforms.
112
113config BCM_SBA_RAID
114	tristate "Broadcom SBA RAID engine support"
115	depends on ARM64 || COMPILE_TEST
116	depends on MAILBOX && RAID6_PQ
117	select DMA_ENGINE
118	select DMA_ENGINE_RAID
119	select ASYNC_TX_DISABLE_XOR_VAL_DMA
120	select ASYNC_TX_DISABLE_PQ_VAL_DMA
121	default m if ARCH_BCM_IPROC
122	help
123	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
124	  engine is available on most of the Broadcom iProc SoCs. It
125	  has the capability to offload memcpy, xor and pq computation
126	  for raid5/6.
127
128config COH901318
129	bool "ST-Ericsson COH901318 DMA support"
130	select DMA_ENGINE
131	depends on ARCH_U300 || COMPILE_TEST
132	help
133	  Enable support for ST-Ericsson COH 901 318 DMA.
134
135config DMA_BCM2835
136	tristate "BCM2835 DMA engine support"
137	depends on ARCH_BCM2835
138	select DMA_ENGINE
139	select DMA_VIRTUAL_CHANNELS
140
141config DMA_JZ4780
142	tristate "JZ4780 DMA support"
143	depends on MIPS || COMPILE_TEST
144	select DMA_ENGINE
145	select DMA_VIRTUAL_CHANNELS
146	help
147	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
148	  If you have a board based on such a SoC and wish to use DMA for
149	  devices which can use the DMA controller, say Y or M here.
150
151config DMA_SA11X0
152	tristate "SA-11x0 DMA support"
153	depends on ARCH_SA1100 || COMPILE_TEST
154	select DMA_ENGINE
155	select DMA_VIRTUAL_CHANNELS
156	help
157	  Support the DMA engine found on Intel StrongARM SA-1100 and
158	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
159	  devices.
160
161config DMA_SUN4I
162	tristate "Allwinner A10 DMA SoCs support"
163	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
164	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
165	select DMA_ENGINE
166	select DMA_VIRTUAL_CHANNELS
167	help
168	  Enable support for the DMA controller present in the sun4i,
169	  sun5i and sun7i Allwinner ARM SoCs.
170
171config DMA_SUN6I
172	tristate "Allwinner A31 SoCs DMA support"
173	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
174	depends on RESET_CONTROLLER
175	select DMA_ENGINE
176	select DMA_VIRTUAL_CHANNELS
177	help
178	  Support for the DMA engine first found in Allwinner A31 SoCs.
179
180config DW_AXI_DMAC
181	tristate "Synopsys DesignWare AXI DMA support"
182	depends on OF || COMPILE_TEST
183	select DMA_ENGINE
184	select DMA_VIRTUAL_CHANNELS
185	help
186	  Enable support for Synopsys DesignWare AXI DMA controller.
187	  NOTE: This driver wasn't tested on 64 bit platform because
188	  of lack 64 bit platform with Synopsys DW AXI DMAC.
189
190config EP93XX_DMA
191	bool "Cirrus Logic EP93xx DMA support"
192	depends on ARCH_EP93XX || COMPILE_TEST
193	select DMA_ENGINE
194	help
195	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
196
197config FSL_DMA
198	tristate "Freescale Elo series DMA support"
199	depends on FSL_SOC
200	select DMA_ENGINE
201	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
202	help
203	  Enable support for the Freescale Elo series DMA controllers.
204	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
205	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
206	  some Txxx and Bxxx parts.
207
208config FSL_EDMA
209	tristate "Freescale eDMA engine support"
210	depends on OF
211	depends on HAS_IOMEM
212	select DMA_ENGINE
213	select DMA_VIRTUAL_CHANNELS
214	help
215	  Support the Freescale eDMA engine with programmable channel
216	  multiplexing capability for DMA request sources(slot).
217	  This module can be found on Freescale Vybrid and LS-1 SoCs.
218
219config FSL_QDMA
220	tristate "NXP Layerscape qDMA engine support"
221	depends on ARM || ARM64
222	select DMA_ENGINE
223	select DMA_VIRTUAL_CHANNELS
224	select DMA_ENGINE_RAID
225	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
226	help
227	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
228	 Channel virtualization is supported through enqueuing of DMA jobs to,
229	 or dequeuing DMA jobs from, different work queues.
230	 This module can be found on NXP Layerscape SoCs.
231	  The qdma driver only work on  SoCs with a DPAA hardware block.
232
233config FSL_RAID
234	tristate "Freescale RAID engine Support"
235	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
236	select DMA_ENGINE
237	select DMA_ENGINE_RAID
238	help
239	  Enable support for Freescale RAID Engine. RAID Engine is
240	  available on some QorIQ SoCs (like P5020/P5040). It has
241	  the capability to offload memcpy, xor and pq computation
242	  for raid5/6.
243
244config HISI_DMA
245	tristate "HiSilicon DMA Engine support"
246	depends on ARM64 || COMPILE_TEST
247	depends on PCI_MSI
248	select DMA_ENGINE
249	select DMA_VIRTUAL_CHANNELS
250	help
251	  Support HiSilicon Kunpeng DMA engine.
252
253config IMG_MDC_DMA
254	tristate "IMG MDC support"
255	depends on MIPS || COMPILE_TEST
256	depends on MFD_SYSCON
257	select DMA_ENGINE
258	select DMA_VIRTUAL_CHANNELS
259	help
260	  Enable support for the IMG multi-threaded DMA controller (MDC).
261
262config IMX_DMA
263	tristate "i.MX DMA support"
264	depends on ARCH_MXC
265	select DMA_ENGINE
266	help
267	  Support the i.MX DMA engine. This engine is integrated into
268	  Freescale i.MX1/21/27 chips.
269
270config IMX_SDMA
271	tristate "i.MX SDMA support"
272	depends on ARCH_MXC
273	select DMA_ENGINE
274	select DMA_VIRTUAL_CHANNELS
275	help
276	  Support the i.MX SDMA engine. This engine is integrated into
277	  Freescale i.MX25/31/35/51/53/6 chips.
278
279config INTEL_IDMA64
280	tristate "Intel integrated DMA 64-bit support"
281	depends on HAS_IOMEM
282	select DMA_ENGINE
283	select DMA_VIRTUAL_CHANNELS
284	help
285	  Enable DMA support for Intel Low Power Subsystem such as found on
286	  Intel Skylake PCH.
287
288config INTEL_IDXD
289	tristate "Intel Data Accelerators support"
290	depends on PCI && X86_64 && !UML
291	depends on PCI_MSI
292	depends on SBITMAP
293	select DMA_ENGINE
294	help
295	  Enable support for the Intel(R) data accelerators present
296	  in Intel Xeon CPU.
297
298	  Say Y if you have such a platform.
299
300	  If unsure, say N.
301
302config INTEL_IOATDMA
303	tristate "Intel I/OAT DMA support"
304	depends on PCI && X86_64 && !UML
305	select DMA_ENGINE
306	select DMA_ENGINE_RAID
307	select DCA
308	help
309	  Enable support for the Intel(R) I/OAT DMA engine present
310	  in recent Intel Xeon chipsets.
311
312	  Say Y here if you have such a chipset.
313
314	  If unsure, say N.
315
316config INTEL_IOP_ADMA
317	tristate "Intel IOP32x ADMA support"
318	depends on ARCH_IOP32X || COMPILE_TEST
319	select DMA_ENGINE
320	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
321	help
322	  Enable support for the Intel(R) IOP Series RAID engines.
323
324config K3_DMA
325	tristate "Hisilicon K3 DMA support"
326	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
327	select DMA_ENGINE
328	select DMA_VIRTUAL_CHANNELS
329	help
330	  Support the DMA engine for Hisilicon K3 platform
331	  devices.
332
333config LPC18XX_DMAMUX
334	bool "NXP LPC18xx/43xx DMA MUX for PL080"
335	depends on ARCH_LPC18XX || COMPILE_TEST
336	depends on OF && AMBA_PL08X
337	select MFD_SYSCON
338	help
339	  Enable support for DMA on NXP LPC18xx/43xx platforms
340	  with PL080 and multiplexed DMA request lines.
341
342config MCF_EDMA
343	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
344	depends on M5441x || COMPILE_TEST
345	select DMA_ENGINE
346	select DMA_VIRTUAL_CHANNELS
347	help
348	  Support the Freescale ColdFire eDMA engine, 64-channel
349	  implementation that performs complex data transfers with
350	  minimal intervention from a host processor.
351	  This module can be found on Freescale ColdFire mcf5441x SoCs.
352
353config MILBEAUT_HDMAC
354	tristate "Milbeaut AHB DMA support"
355	depends on ARCH_MILBEAUT || COMPILE_TEST
356	depends on OF
357	select DMA_ENGINE
358	select DMA_VIRTUAL_CHANNELS
359	help
360	  Say yes here to support the Socionext Milbeaut
361	  HDMAC device.
362
363config MILBEAUT_XDMAC
364	tristate "Milbeaut AXI DMA support"
365	depends on ARCH_MILBEAUT || COMPILE_TEST
366	depends on OF
367	select DMA_ENGINE
368	select DMA_VIRTUAL_CHANNELS
369	help
370	  Say yes here to support the Socionext Milbeaut
371	  XDMAC device.
372
373config MMP_PDMA
374	bool "MMP PDMA support"
375	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
376	select DMA_ENGINE
377	help
378	  Support the MMP PDMA engine for PXA and MMP platform.
379
380config MMP_TDMA
381	bool "MMP Two-Channel DMA support"
382	depends on ARCH_MMP || COMPILE_TEST
383	select DMA_ENGINE
384	select GENERIC_ALLOCATOR
385	help
386	  Support the MMP Two-Channel DMA engine.
387	  This engine used for MMP Audio DMA and pxa910 SQU.
388
389config MOXART_DMA
390	tristate "MOXART DMA support"
391	depends on ARCH_MOXART
392	select DMA_ENGINE
393	select DMA_VIRTUAL_CHANNELS
394	help
395	  Enable support for the MOXA ART SoC DMA controller.
396
397	  Say Y here if you enabled MMP ADMA, otherwise say N.
398
399config MPC512X_DMA
400	tristate "Freescale MPC512x built-in DMA engine support"
401	depends on PPC_MPC512x || PPC_MPC831x
402	select DMA_ENGINE
403	help
404	  Enable support for the Freescale MPC512x built-in DMA engine.
405
406config MV_XOR
407	bool "Marvell XOR engine support"
408	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
409	select DMA_ENGINE
410	select DMA_ENGINE_RAID
411	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
412	help
413	  Enable support for the Marvell XOR engine.
414
415config MV_XOR_V2
416	bool "Marvell XOR engine version 2 support "
417	depends on ARM64
418	select DMA_ENGINE
419	select DMA_ENGINE_RAID
420	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
421	select GENERIC_MSI_IRQ_DOMAIN
422	help
423	  Enable support for the Marvell version 2 XOR engine.
424
425	  This engine provides acceleration for copy, XOR and RAID6
426	  operations, and is available on Marvell Armada 7K and 8K
427	  platforms.
428
429config MXS_DMA
430	bool "MXS DMA support"
431	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
432	select STMP_DEVICE
433	select DMA_ENGINE
434	help
435	  Support the MXS DMA engine. This engine including APBH-DMA
436	  and APBX-DMA is integrated into some Freescale chips.
437
438config MX3_IPU
439	bool "MX3x Image Processing Unit support"
440	depends on ARCH_MXC
441	select DMA_ENGINE
442	default y
443	help
444	  If you plan to use the Image Processing unit in the i.MX3x, say
445	  Y here. If unsure, select Y.
446
447config MX3_IPU_IRQS
448	int "Number of dynamically mapped interrupts for IPU"
449	depends on MX3_IPU
450	range 2 137
451	default 4
452	help
453	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
454	  To avoid bloating the irq_desc[] array we allocate a sufficient
455	  number of IRQ slots and map them dynamically to specific sources.
456
457config NBPFAXI_DMA
458	tristate "Renesas Type-AXI NBPF DMA support"
459	select DMA_ENGINE
460	depends on ARM || COMPILE_TEST
461	help
462	  Support for "Type-AXI" NBPF DMA IPs from Renesas
463
464config OWL_DMA
465	tristate "Actions Semi Owl SoCs DMA support"
466	depends on ARCH_ACTIONS
467	select DMA_ENGINE
468	select DMA_VIRTUAL_CHANNELS
469	help
470	  Enable support for the Actions Semi Owl SoCs DMA controller.
471
472config PCH_DMA
473	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
474	depends on PCI && (X86_32 || COMPILE_TEST)
475	select DMA_ENGINE
476	help
477	  Enable support for Intel EG20T PCH DMA engine.
478
479	  This driver also can be used for LAPIS Semiconductor IOH(Input/
480	  Output Hub), ML7213, ML7223 and ML7831.
481	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
482	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
483	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
484	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
485
486config PL330_DMA
487	tristate "DMA API Driver for PL330"
488	select DMA_ENGINE
489	depends on ARM_AMBA
490	help
491	  Select if your platform has one or more PL330 DMACs.
492	  You need to provide platform specific settings via
493	  platform_data for a dma-pl330 device.
494
495config PXA_DMA
496	bool "PXA DMA support"
497	depends on (ARCH_MMP || ARCH_PXA)
498	select DMA_ENGINE
499	select DMA_VIRTUAL_CHANNELS
500	help
501	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
502	  platform. The internal DMA IP of all PXA variants is supported, with
503	  16 to 32 channels for peripheral to memory or memory to memory
504	  transfers.
505
506config PLX_DMA
507	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
508	depends on PCI
509	select DMA_ENGINE
510	help
511	  Some PLX ExpressLane PCI Switches support additional DMA engines.
512	  These are exposed via extra functions on the switch's
513	  upstream port. Each function exposes one DMA channel.
514
515config SIRF_DMA
516	tristate "CSR SiRFprimaII/SiRFmarco DMA support"
517	depends on ARCH_SIRF
518	select DMA_ENGINE
519	help
520	  Enable support for the CSR SiRFprimaII DMA engine.
521
522config STE_DMA40
523	bool "ST-Ericsson DMA40 support"
524	depends on ARCH_U8500
525	select DMA_ENGINE
526	help
527	  Support for ST-Ericsson DMA40 controller
528
529config ST_FDMA
530	tristate "ST FDMA dmaengine support"
531	depends on ARCH_STI
532	depends on REMOTEPROC
533	select ST_SLIM_REMOTEPROC
534	select DMA_ENGINE
535	select DMA_VIRTUAL_CHANNELS
536	help
537	  Enable support for ST FDMA controller.
538	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
539
540	  Say Y here if you have such a chipset.
541	  If unsure, say N.
542
543config STM32_DMA
544	bool "STMicroelectronics STM32 DMA support"
545	depends on ARCH_STM32 || COMPILE_TEST
546	select DMA_ENGINE
547	select DMA_VIRTUAL_CHANNELS
548	help
549	  Enable support for the on-chip DMA controller on STMicroelectronics
550	  STM32 MCUs.
551	  If you have a board based on such a MCU and wish to use DMA say Y
552	  here.
553
554config STM32_DMAMUX
555	bool "STMicroelectronics STM32 dma multiplexer support"
556	depends on STM32_DMA || COMPILE_TEST
557	help
558	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
559	  STM32 MCUs.
560	  If you have a board based on such a MCU and wish to use DMAMUX say Y
561	  here.
562
563config STM32_MDMA
564	bool "STMicroelectronics STM32 master dma support"
565	depends on ARCH_STM32 || COMPILE_TEST
566	depends on OF
567	select DMA_ENGINE
568	select DMA_VIRTUAL_CHANNELS
569	help
570	  Enable support for the on-chip MDMA controller on STMicroelectronics
571	  STM32 platforms.
572	  If you have a board based on STM32 SoC and wish to use the master DMA
573	  say Y here.
574
575config SPRD_DMA
576	tristate "Spreadtrum DMA support"
577	depends on ARCH_SPRD || COMPILE_TEST
578	select DMA_ENGINE
579	select DMA_VIRTUAL_CHANNELS
580	help
581	  Enable support for the on-chip DMA controller on Spreadtrum platform.
582
583config S3C24XX_DMAC
584	bool "Samsung S3C24XX DMA support"
585	depends on ARCH_S3C24XX || COMPILE_TEST
586	select DMA_ENGINE
587	select DMA_VIRTUAL_CHANNELS
588	help
589	  Support for the Samsung S3C24XX DMA controller driver. The
590	  DMA controller is having multiple DMA channels which can be
591	  configured for different peripherals like audio, UART, SPI.
592	  The DMA controller can transfer data from memory to peripheral,
593	  periphal to memory, periphal to periphal and memory to memory.
594
595config TXX9_DMAC
596	tristate "Toshiba TXx9 SoC DMA support"
597	depends on MACH_TX49XX || MACH_TX39XX
598	select DMA_ENGINE
599	help
600	  Support the TXx9 SoC internal DMA controller.  This can be
601	  integrated in chips such as the Toshiba TX4927/38/39.
602
603config TEGRA20_APB_DMA
604	tristate "NVIDIA Tegra20 APB DMA support"
605	depends on ARCH_TEGRA || COMPILE_TEST
606	select DMA_ENGINE
607	help
608	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
609	  DMA controller is having multiple DMA channel which can be
610	  configured for different peripherals like audio, UART, SPI,
611	  I2C etc which is in APB bus.
612	  This DMA controller transfers data from memory to peripheral fifo
613	  or vice versa. It does not support memory to memory data transfer.
614
615config TEGRA210_ADMA
616	tristate "NVIDIA Tegra210 ADMA support"
617	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
618	select DMA_ENGINE
619	select DMA_VIRTUAL_CHANNELS
620	help
621	  Support for the NVIDIA Tegra210 ADMA controller driver. The
622	  DMA controller has multiple DMA channels and is used to service
623	  various audio clients in the Tegra210 audio processing engine
624	  (APE). This DMA controller transfers data from memory to
625	  peripheral and vice versa. It does not support memory to
626	  memory data transfer.
627
628config TIMB_DMA
629	tristate "Timberdale FPGA DMA support"
630	depends on MFD_TIMBERDALE || COMPILE_TEST
631	select DMA_ENGINE
632	help
633	  Enable support for the Timberdale FPGA DMA engine.
634
635config UNIPHIER_MDMAC
636	tristate "UniPhier MIO DMAC"
637	depends on ARCH_UNIPHIER || COMPILE_TEST
638	depends on OF
639	select DMA_ENGINE
640	select DMA_VIRTUAL_CHANNELS
641	help
642	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
643	  UniPhier platform.  This DMA controller is used as the external
644	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
645
646config UNIPHIER_XDMAC
647	tristate "UniPhier XDMAC support"
648	depends on ARCH_UNIPHIER || COMPILE_TEST
649	depends on OF
650	select DMA_ENGINE
651	select DMA_VIRTUAL_CHANNELS
652	help
653	  Enable support for the XDMAC (external DMA controller) on the
654	  UniPhier platform. This DMA controller can transfer data from
655	  memory to memory, memory to peripheral and peripheral to memory.
656
657config XGENE_DMA
658	tristate "APM X-Gene DMA support"
659	depends on ARCH_XGENE || COMPILE_TEST
660	select DMA_ENGINE
661	select DMA_ENGINE_RAID
662	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
663	help
664	  Enable support for the APM X-Gene SoC DMA engine.
665
666config XILINX_DMA
667	tristate "Xilinx AXI DMAS Engine"
668	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
669	select DMA_ENGINE
670	help
671	  Enable support for Xilinx AXI VDMA Soft IP.
672
673	  AXI VDMA engine provides high-bandwidth direct memory access
674	  between memory and AXI4-Stream video type target
675	  peripherals including peripherals which support AXI4-
676	  Stream Video Protocol.  It has two stream interfaces/
677	  channels, Memory Mapped to Stream (MM2S) and Stream to
678	  Memory Mapped (S2MM) for the data transfers.
679	  AXI CDMA engine provides high-bandwidth direct memory access
680	  between a memory-mapped source address and a memory-mapped
681	  destination address.
682	  AXI DMA engine provides high-bandwidth one dimensional direct
683	  memory access between memory and AXI4-Stream target peripherals.
684	  AXI MCDMA engine provides high-bandwidth direct memory access
685	  between memory and AXI4-Stream target peripherals. It provides
686	  the scatter gather interface with multiple channels independent
687	  configuration support.
688
689config XILINX_ZYNQMP_DMA
690	tristate "Xilinx ZynqMP DMA Engine"
691	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
692	select DMA_ENGINE
693	help
694	  Enable support for Xilinx ZynqMP DMA controller.
695
696config XILINX_ZYNQMP_DPDMA
697	tristate "Xilinx DPDMA Engine"
698	depends on HAS_IOMEM && OF
699	select DMA_ENGINE
700	select DMA_VIRTUAL_CHANNELS
701	help
702	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
703	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
704	  driver provides the dmaengine required by the DisplayPort subsystem
705	  display driver.
706
707config ZX_DMA
708	tristate "ZTE ZX DMA support"
709	depends on ARCH_ZX || COMPILE_TEST
710	select DMA_ENGINE
711	select DMA_VIRTUAL_CHANNELS
712	help
713	  Support the DMA engine for ZTE ZX family platform devices.
714
715
716# driver files
717source "drivers/dma/bestcomm/Kconfig"
718
719source "drivers/dma/mediatek/Kconfig"
720
721source "drivers/dma/qcom/Kconfig"
722
723source "drivers/dma/dw/Kconfig"
724
725source "drivers/dma/dw-edma/Kconfig"
726
727source "drivers/dma/hsu/Kconfig"
728
729source "drivers/dma/sf-pdma/Kconfig"
730
731source "drivers/dma/sh/Kconfig"
732
733source "drivers/dma/ti/Kconfig"
734
735source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
736
737# clients
738comment "DMA Clients"
739	depends on DMA_ENGINE
740
741config ASYNC_TX_DMA
742	bool "Async_tx: Offload support for the async_tx api"
743	depends on DMA_ENGINE
744	help
745	  This allows the async_tx api to take advantage of offload engines for
746	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
747	  a dma engine that can perform raid operations and you have enabled
748	  MD_RAID456 say Y.
749
750	  If unsure, say N.
751
752config DMATEST
753	tristate "DMA Test client"
754	depends on DMA_ENGINE
755	select DMA_ENGINE_RAID
756	help
757	  Simple DMA test client. Say N unless you're debugging a
758	  DMA Device driver.
759
760config DMA_ENGINE_RAID
761	bool
762
763endif
764