xref: /openbmc/linux/drivers/dma/Kconfig (revision c4f7ac64)
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_INTEL_SOCFPGA || COMPILE_TEST
104	select DMA_ENGINE
105	select DMA_VIRTUAL_CHANNELS
106	select REGMAP_MMIO
107	help
108	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
109	  controller is often used in Analog Devices' reference designs for FPGA
110	  platforms.
111
112config BCM_SBA_RAID
113	tristate "Broadcom SBA RAID engine support"
114	depends on ARM64 || COMPILE_TEST
115	depends on MAILBOX && RAID6_PQ
116	select DMA_ENGINE
117	select DMA_ENGINE_RAID
118	select ASYNC_TX_DISABLE_XOR_VAL_DMA
119	select ASYNC_TX_DISABLE_PQ_VAL_DMA
120	default m if ARCH_BCM_IPROC
121	help
122	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
123	  engine is available on most of the Broadcom iProc SoCs. It
124	  has the capability to offload memcpy, xor and pq computation
125	  for raid5/6.
126
127config DMA_BCM2835
128	tristate "BCM2835 DMA engine support"
129	depends on ARCH_BCM2835
130	select DMA_ENGINE
131	select DMA_VIRTUAL_CHANNELS
132
133config DMA_JZ4780
134	tristate "JZ4780 DMA support"
135	depends on MIPS || COMPILE_TEST
136	select DMA_ENGINE
137	select DMA_VIRTUAL_CHANNELS
138	help
139	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
140	  If you have a board based on such a SoC and wish to use DMA for
141	  devices which can use the DMA controller, say Y or M here.
142
143config DMA_SA11X0
144	tristate "SA-11x0 DMA support"
145	depends on ARCH_SA1100 || COMPILE_TEST
146	select DMA_ENGINE
147	select DMA_VIRTUAL_CHANNELS
148	help
149	  Support the DMA engine found on Intel StrongARM SA-1100 and
150	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
151	  devices.
152
153config DMA_SUN4I
154	tristate "Allwinner A10 DMA SoCs support"
155	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
156	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
157	select DMA_ENGINE
158	select DMA_VIRTUAL_CHANNELS
159	help
160	  Enable support for the DMA controller present in the sun4i,
161	  sun5i and sun7i Allwinner ARM SoCs.
162
163config DMA_SUN6I
164	tristate "Allwinner A31 SoCs DMA support"
165	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
166	depends on RESET_CONTROLLER
167	select DMA_ENGINE
168	select DMA_VIRTUAL_CHANNELS
169	help
170	  Support for the DMA engine first found in Allwinner A31 SoCs.
171
172config DW_AXI_DMAC
173	tristate "Synopsys DesignWare AXI DMA support"
174	depends on OF || COMPILE_TEST
175	depends on HAS_IOMEM
176	select DMA_ENGINE
177	select DMA_VIRTUAL_CHANNELS
178	help
179	  Enable support for Synopsys DesignWare AXI DMA controller.
180	  NOTE: This driver wasn't tested on 64 bit platform because
181	  of lack 64 bit platform with Synopsys DW AXI DMAC.
182
183config EP93XX_DMA
184	bool "Cirrus Logic EP93xx DMA support"
185	depends on ARCH_EP93XX || COMPILE_TEST
186	select DMA_ENGINE
187	help
188	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
189
190config FSL_DMA
191	tristate "Freescale Elo series DMA support"
192	depends on FSL_SOC
193	select DMA_ENGINE
194	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
195	help
196	  Enable support for the Freescale Elo series DMA controllers.
197	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
198	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
199	  some Txxx and Bxxx parts.
200
201config FSL_EDMA
202	tristate "Freescale eDMA engine support"
203	depends on OF
204	select DMA_ENGINE
205	select DMA_VIRTUAL_CHANNELS
206	help
207	  Support the Freescale eDMA engine with programmable channel
208	  multiplexing capability for DMA request sources(slot).
209	  This module can be found on Freescale Vybrid and LS-1 SoCs.
210
211config FSL_QDMA
212	tristate "NXP Layerscape qDMA engine support"
213	depends on ARM || ARM64
214	select DMA_ENGINE
215	select DMA_VIRTUAL_CHANNELS
216	select DMA_ENGINE_RAID
217	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
218	help
219	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
220	 Channel virtualization is supported through enqueuing of DMA jobs to,
221	 or dequeuing DMA jobs from, different work queues.
222	 This module can be found on NXP Layerscape SoCs.
223	  The qdma driver only work on  SoCs with a DPAA hardware block.
224
225config FSL_RAID
226	tristate "Freescale RAID engine Support"
227	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
228	select DMA_ENGINE
229	select DMA_ENGINE_RAID
230	help
231	  Enable support for Freescale RAID Engine. RAID Engine is
232	  available on some QorIQ SoCs (like P5020/P5040). It has
233	  the capability to offload memcpy, xor and pq computation
234	  for raid5/6.
235
236config HISI_DMA
237	tristate "HiSilicon DMA Engine support"
238	depends on ARM64 || COMPILE_TEST
239	depends on PCI_MSI
240	select DMA_ENGINE
241	select DMA_VIRTUAL_CHANNELS
242	help
243	  Support HiSilicon Kunpeng DMA engine.
244
245config IMG_MDC_DMA
246	tristate "IMG MDC support"
247	depends on MIPS || COMPILE_TEST
248	depends on MFD_SYSCON
249	select DMA_ENGINE
250	select DMA_VIRTUAL_CHANNELS
251	help
252	  Enable support for the IMG multi-threaded DMA controller (MDC).
253
254config IMX_DMA
255	tristate "i.MX DMA support"
256	depends on ARCH_MXC
257	select DMA_ENGINE
258	help
259	  Support the i.MX DMA engine. This engine is integrated into
260	  Freescale i.MX1/21/27 chips.
261
262config IMX_SDMA
263	tristate "i.MX SDMA support"
264	depends on ARCH_MXC
265	select DMA_ENGINE
266	select DMA_VIRTUAL_CHANNELS
267	help
268	  Support the i.MX SDMA engine. This engine is integrated into
269	  Freescale i.MX25/31/35/51/53/6 chips.
270
271config INTEL_IDMA64
272	tristate "Intel integrated DMA 64-bit support"
273	select DMA_ENGINE
274	select DMA_VIRTUAL_CHANNELS
275	help
276	  Enable DMA support for Intel Low Power Subsystem such as found on
277	  Intel Skylake PCH.
278
279config INTEL_IDXD
280	tristate "Intel Data Accelerators support"
281	depends on PCI && X86_64
282	depends on PCI_MSI
283	depends on SBITMAP
284	select DMA_ENGINE
285	help
286	  Enable support for the Intel(R) data accelerators present
287	  in Intel Xeon CPU.
288
289	  Say Y if you have such a platform.
290
291	  If unsure, say N.
292
293# Config symbol that collects all the dependencies that's necessary to
294# support shared virtual memory for the devices supported by idxd.
295config INTEL_IDXD_SVM
296	bool "Accelerator Shared Virtual Memory Support"
297	depends on INTEL_IDXD
298	depends on INTEL_IOMMU_SVM
299	depends on PCI_PRI
300	depends on PCI_PASID
301	depends on PCI_IOV
302
303config INTEL_IDXD_PERFMON
304	bool "Intel Data Accelerators performance monitor support"
305	depends on INTEL_IDXD
306	help
307	  Enable performance monitor (pmu) support for the Intel(R)
308	  data accelerators present in Intel Xeon CPU.  With this
309	  enabled, perf can be used to monitor the DSA (Intel Data
310	  Streaming Accelerator) events described in the Intel DSA
311	  spec.
312
313	  If unsure, say N.
314
315config INTEL_IOATDMA
316	tristate "Intel I/OAT DMA support"
317	depends on PCI && X86_64
318	select DMA_ENGINE
319	select DMA_ENGINE_RAID
320	select DCA
321	help
322	  Enable support for the Intel(R) I/OAT DMA engine present
323	  in recent Intel Xeon chipsets.
324
325	  Say Y here if you have such a chipset.
326
327	  If unsure, say N.
328
329config INTEL_IOP_ADMA
330	tristate "Intel IOP32x ADMA support"
331	depends on ARCH_IOP32X || COMPILE_TEST
332	select DMA_ENGINE
333	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
334	help
335	  Enable support for the Intel(R) IOP Series RAID engines.
336
337config K3_DMA
338	tristate "Hisilicon K3 DMA support"
339	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
340	select DMA_ENGINE
341	select DMA_VIRTUAL_CHANNELS
342	help
343	  Support the DMA engine for Hisilicon K3 platform
344	  devices.
345
346config LPC18XX_DMAMUX
347	bool "NXP LPC18xx/43xx DMA MUX for PL080"
348	depends on ARCH_LPC18XX || COMPILE_TEST
349	depends on OF && AMBA_PL08X
350	select MFD_SYSCON
351	help
352	  Enable support for DMA on NXP LPC18xx/43xx platforms
353	  with PL080 and multiplexed DMA request lines.
354
355config MCF_EDMA
356	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
357	depends on M5441x || COMPILE_TEST
358	select DMA_ENGINE
359	select DMA_VIRTUAL_CHANNELS
360	help
361	  Support the Freescale ColdFire eDMA engine, 64-channel
362	  implementation that performs complex data transfers with
363	  minimal intervention from a host processor.
364	  This module can be found on Freescale ColdFire mcf5441x SoCs.
365
366config MILBEAUT_HDMAC
367	tristate "Milbeaut AHB DMA support"
368	depends on ARCH_MILBEAUT || COMPILE_TEST
369	depends on OF
370	select DMA_ENGINE
371	select DMA_VIRTUAL_CHANNELS
372	help
373	  Say yes here to support the Socionext Milbeaut
374	  HDMAC device.
375
376config MILBEAUT_XDMAC
377	tristate "Milbeaut AXI DMA support"
378	depends on ARCH_MILBEAUT || COMPILE_TEST
379	depends on OF
380	select DMA_ENGINE
381	select DMA_VIRTUAL_CHANNELS
382	help
383	  Say yes here to support the Socionext Milbeaut
384	  XDMAC device.
385
386config MMP_PDMA
387	tristate "MMP PDMA support"
388	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
389	select DMA_ENGINE
390	help
391	  Support the MMP PDMA engine for PXA and MMP platform.
392
393config MMP_TDMA
394	tristate "MMP Two-Channel DMA support"
395	depends on ARCH_MMP || COMPILE_TEST
396	select DMA_ENGINE
397	select GENERIC_ALLOCATOR
398	help
399	  Support the MMP Two-Channel DMA engine.
400	  This engine used for MMP Audio DMA and pxa910 SQU.
401
402config MOXART_DMA
403	tristate "MOXART DMA support"
404	depends on ARCH_MOXART
405	select DMA_ENGINE
406	select DMA_VIRTUAL_CHANNELS
407	help
408	  Enable support for the MOXA ART SoC DMA controller.
409
410	  Say Y here if you enabled MMP ADMA, otherwise say N.
411
412config MPC512X_DMA
413	tristate "Freescale MPC512x built-in DMA engine support"
414	depends on PPC_MPC512x || PPC_MPC831x
415	select DMA_ENGINE
416	help
417	  Enable support for the Freescale MPC512x built-in DMA engine.
418
419config MV_XOR
420	bool "Marvell XOR engine support"
421	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
422	select DMA_ENGINE
423	select DMA_ENGINE_RAID
424	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
425	help
426	  Enable support for the Marvell XOR engine.
427
428config MV_XOR_V2
429	bool "Marvell XOR engine version 2 support "
430	depends on ARM64
431	select DMA_ENGINE
432	select DMA_ENGINE_RAID
433	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
434	select GENERIC_MSI_IRQ_DOMAIN
435	help
436	  Enable support for the Marvell version 2 XOR engine.
437
438	  This engine provides acceleration for copy, XOR and RAID6
439	  operations, and is available on Marvell Armada 7K and 8K
440	  platforms.
441
442config MXS_DMA
443	bool "MXS DMA support"
444	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
445	select STMP_DEVICE
446	select DMA_ENGINE
447	help
448	  Support the MXS DMA engine. This engine including APBH-DMA
449	  and APBX-DMA is integrated into some Freescale chips.
450
451config MX3_IPU
452	bool "MX3x Image Processing Unit support"
453	depends on ARCH_MXC
454	select DMA_ENGINE
455	default y
456	help
457	  If you plan to use the Image Processing unit in the i.MX3x, say
458	  Y here. If unsure, select Y.
459
460config MX3_IPU_IRQS
461	int "Number of dynamically mapped interrupts for IPU"
462	depends on MX3_IPU
463	range 2 137
464	default 4
465	help
466	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
467	  To avoid bloating the irq_desc[] array we allocate a sufficient
468	  number of IRQ slots and map them dynamically to specific sources.
469
470config NBPFAXI_DMA
471	tristate "Renesas Type-AXI NBPF DMA support"
472	select DMA_ENGINE
473	depends on ARM || COMPILE_TEST
474	help
475	  Support for "Type-AXI" NBPF DMA IPs from Renesas
476
477config OWL_DMA
478	tristate "Actions Semi Owl SoCs DMA support"
479	depends on ARCH_ACTIONS
480	select DMA_ENGINE
481	select DMA_VIRTUAL_CHANNELS
482	help
483	  Enable support for the Actions Semi Owl SoCs DMA controller.
484
485config PCH_DMA
486	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
487	depends on PCI && (X86_32 || COMPILE_TEST)
488	select DMA_ENGINE
489	help
490	  Enable support for Intel EG20T PCH DMA engine.
491
492	  This driver also can be used for LAPIS Semiconductor IOH(Input/
493	  Output Hub), ML7213, ML7223 and ML7831.
494	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
495	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
496	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
497	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
498
499config PL330_DMA
500	tristate "DMA API Driver for PL330"
501	select DMA_ENGINE
502	depends on ARM_AMBA
503	help
504	  Select if your platform has one or more PL330 DMACs.
505	  You need to provide platform specific settings via
506	  platform_data for a dma-pl330 device.
507
508config PXA_DMA
509	bool "PXA DMA support"
510	depends on (ARCH_MMP || ARCH_PXA)
511	select DMA_ENGINE
512	select DMA_VIRTUAL_CHANNELS
513	help
514	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
515	  platform. The internal DMA IP of all PXA variants is supported, with
516	  16 to 32 channels for peripheral to memory or memory to memory
517	  transfers.
518
519config PLX_DMA
520	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
521	depends on PCI
522	select DMA_ENGINE
523	help
524	  Some PLX ExpressLane PCI Switches support additional DMA engines.
525	  These are exposed via extra functions on the switch's
526	  upstream port. Each function exposes one DMA channel.
527
528config STE_DMA40
529	bool "ST-Ericsson DMA40 support"
530	depends on ARCH_U8500
531	select DMA_ENGINE
532	help
533	  Support for ST-Ericsson DMA40 controller
534
535config ST_FDMA
536	tristate "ST FDMA dmaengine support"
537	depends on ARCH_STI
538	depends on REMOTEPROC
539	select ST_SLIM_REMOTEPROC
540	select DMA_ENGINE
541	select DMA_VIRTUAL_CHANNELS
542	help
543	  Enable support for ST FDMA controller.
544	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
545
546	  Say Y here if you have such a chipset.
547	  If unsure, say N.
548
549config STM32_DMA
550	bool "STMicroelectronics STM32 DMA support"
551	depends on ARCH_STM32 || COMPILE_TEST
552	select DMA_ENGINE
553	select DMA_VIRTUAL_CHANNELS
554	help
555	  Enable support for the on-chip DMA controller on STMicroelectronics
556	  STM32 MCUs.
557	  If you have a board based on such a MCU and wish to use DMA say Y
558	  here.
559
560config STM32_DMAMUX
561	bool "STMicroelectronics STM32 dma multiplexer support"
562	depends on STM32_DMA || COMPILE_TEST
563	help
564	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
565	  STM32 MCUs.
566	  If you have a board based on such a MCU and wish to use DMAMUX say Y
567	  here.
568
569config STM32_MDMA
570	bool "STMicroelectronics STM32 master dma support"
571	depends on ARCH_STM32 || COMPILE_TEST
572	depends on OF
573	select DMA_ENGINE
574	select DMA_VIRTUAL_CHANNELS
575	help
576	  Enable support for the on-chip MDMA controller on STMicroelectronics
577	  STM32 platforms.
578	  If you have a board based on STM32 SoC and wish to use the master DMA
579	  say Y here.
580
581config SPRD_DMA
582	tristate "Spreadtrum DMA support"
583	depends on ARCH_SPRD || COMPILE_TEST
584	select DMA_ENGINE
585	select DMA_VIRTUAL_CHANNELS
586	help
587	  Enable support for the on-chip DMA controller on Spreadtrum platform.
588
589config S3C24XX_DMAC
590	bool "Samsung S3C24XX DMA support"
591	depends on ARCH_S3C24XX || COMPILE_TEST
592	select DMA_ENGINE
593	select DMA_VIRTUAL_CHANNELS
594	help
595	  Support for the Samsung S3C24XX DMA controller driver. The
596	  DMA controller is having multiple DMA channels which can be
597	  configured for different peripherals like audio, UART, SPI.
598	  The DMA controller can transfer data from memory to peripheral,
599	  periphal to memory, periphal to periphal and memory to memory.
600
601config TXX9_DMAC
602	tristate "Toshiba TXx9 SoC DMA support"
603	depends on MACH_TX49XX || MACH_TX39XX
604	select DMA_ENGINE
605	help
606	  Support the TXx9 SoC internal DMA controller.  This can be
607	  integrated in chips such as the Toshiba TX4927/38/39.
608
609config TEGRA20_APB_DMA
610	tristate "NVIDIA Tegra20 APB DMA support"
611	depends on ARCH_TEGRA || COMPILE_TEST
612	select DMA_ENGINE
613	help
614	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
615	  DMA controller is having multiple DMA channel which can be
616	  configured for different peripherals like audio, UART, SPI,
617	  I2C etc which is in APB bus.
618	  This DMA controller transfers data from memory to peripheral fifo
619	  or vice versa. It does not support memory to memory data transfer.
620
621config TEGRA210_ADMA
622	tristate "NVIDIA Tegra210 ADMA support"
623	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
624	select DMA_ENGINE
625	select DMA_VIRTUAL_CHANNELS
626	help
627	  Support for the NVIDIA Tegra210 ADMA controller driver. The
628	  DMA controller has multiple DMA channels and is used to service
629	  various audio clients in the Tegra210 audio processing engine
630	  (APE). This DMA controller transfers data from memory to
631	  peripheral and vice versa. It does not support memory to
632	  memory data transfer.
633
634config TIMB_DMA
635	tristate "Timberdale FPGA DMA support"
636	depends on MFD_TIMBERDALE || COMPILE_TEST
637	select DMA_ENGINE
638	help
639	  Enable support for the Timberdale FPGA DMA engine.
640
641config UNIPHIER_MDMAC
642	tristate "UniPhier MIO DMAC"
643	depends on ARCH_UNIPHIER || COMPILE_TEST
644	depends on OF
645	select DMA_ENGINE
646	select DMA_VIRTUAL_CHANNELS
647	help
648	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
649	  UniPhier platform.  This DMA controller is used as the external
650	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
651
652config UNIPHIER_XDMAC
653	tristate "UniPhier XDMAC support"
654	depends on ARCH_UNIPHIER || COMPILE_TEST
655	depends on OF
656	select DMA_ENGINE
657	select DMA_VIRTUAL_CHANNELS
658	help
659	  Enable support for the XDMAC (external DMA controller) on the
660	  UniPhier platform. This DMA controller can transfer data from
661	  memory to memory, memory to peripheral and peripheral to memory.
662
663config XGENE_DMA
664	tristate "APM X-Gene DMA support"
665	depends on ARCH_XGENE || COMPILE_TEST
666	select DMA_ENGINE
667	select DMA_ENGINE_RAID
668	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
669	help
670	  Enable support for the APM X-Gene SoC DMA engine.
671
672config XILINX_DMA
673	tristate "Xilinx AXI DMAS Engine"
674	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
675	select DMA_ENGINE
676	help
677	  Enable support for Xilinx AXI VDMA Soft IP.
678
679	  AXI VDMA engine provides high-bandwidth direct memory access
680	  between memory and AXI4-Stream video type target
681	  peripherals including peripherals which support AXI4-
682	  Stream Video Protocol.  It has two stream interfaces/
683	  channels, Memory Mapped to Stream (MM2S) and Stream to
684	  Memory Mapped (S2MM) for the data transfers.
685	  AXI CDMA engine provides high-bandwidth direct memory access
686	  between a memory-mapped source address and a memory-mapped
687	  destination address.
688	  AXI DMA engine provides high-bandwidth one dimensional direct
689	  memory access between memory and AXI4-Stream target peripherals.
690	  AXI MCDMA engine provides high-bandwidth direct memory access
691	  between memory and AXI4-Stream target peripherals. It provides
692	  the scatter gather interface with multiple channels independent
693	  configuration support.
694
695config XILINX_ZYNQMP_DMA
696	tristate "Xilinx ZynqMP DMA Engine"
697	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
698	select DMA_ENGINE
699	help
700	  Enable support for Xilinx ZynqMP DMA controller.
701
702config XILINX_ZYNQMP_DPDMA
703	tristate "Xilinx DPDMA Engine"
704	select DMA_ENGINE
705	select DMA_VIRTUAL_CHANNELS
706	help
707	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
708	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
709	  driver provides the dmaengine required by the DisplayPort subsystem
710	  display driver.
711
712# driver files
713source "drivers/dma/bestcomm/Kconfig"
714
715source "drivers/dma/mediatek/Kconfig"
716
717source "drivers/dma/qcom/Kconfig"
718
719source "drivers/dma/dw/Kconfig"
720
721source "drivers/dma/dw-edma/Kconfig"
722
723source "drivers/dma/hsu/Kconfig"
724
725source "drivers/dma/sf-pdma/Kconfig"
726
727source "drivers/dma/sh/Kconfig"
728
729source "drivers/dma/ti/Kconfig"
730
731source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
732
733source "drivers/dma/lgm/Kconfig"
734
735# clients
736comment "DMA Clients"
737	depends on DMA_ENGINE
738
739config ASYNC_TX_DMA
740	bool "Async_tx: Offload support for the async_tx api"
741	depends on DMA_ENGINE
742	help
743	  This allows the async_tx api to take advantage of offload engines for
744	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
745	  a dma engine that can perform raid operations and you have enabled
746	  MD_RAID456 say Y.
747
748	  If unsure, say N.
749
750config DMATEST
751	tristate "DMA Test client"
752	depends on DMA_ENGINE
753	select DMA_ENGINE_RAID
754	help
755	  Simple DMA test client. Say N unless you're debugging a
756	  DMA Device driver.
757
758config DMA_ENGINE_RAID
759	bool
760
761endif
762