xref: /openbmc/linux/drivers/dma/Kconfig (revision 84b102f5)
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	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 COH901318
128	bool "ST-Ericsson COH901318 DMA support"
129	select DMA_ENGINE
130	depends on ARCH_U300 || COMPILE_TEST
131	help
132	  Enable support for ST-Ericsson COH 901 318 DMA.
133
134config DMA_BCM2835
135	tristate "BCM2835 DMA engine support"
136	depends on ARCH_BCM2835
137	select DMA_ENGINE
138	select DMA_VIRTUAL_CHANNELS
139
140config DMA_JZ4780
141	tristate "JZ4780 DMA support"
142	depends on MIPS || COMPILE_TEST
143	select DMA_ENGINE
144	select DMA_VIRTUAL_CHANNELS
145	help
146	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
147	  If you have a board based on such a SoC and wish to use DMA for
148	  devices which can use the DMA controller, say Y or M here.
149
150config DMA_SA11X0
151	tristate "SA-11x0 DMA support"
152	depends on ARCH_SA1100 || COMPILE_TEST
153	select DMA_ENGINE
154	select DMA_VIRTUAL_CHANNELS
155	help
156	  Support the DMA engine found on Intel StrongARM SA-1100 and
157	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
158	  devices.
159
160config DMA_SUN4I
161	tristate "Allwinner A10 DMA SoCs support"
162	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
163	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
164	select DMA_ENGINE
165	select DMA_VIRTUAL_CHANNELS
166	help
167	  Enable support for the DMA controller present in the sun4i,
168	  sun5i and sun7i Allwinner ARM SoCs.
169
170config DMA_SUN6I
171	tristate "Allwinner A31 SoCs DMA support"
172	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
173	depends on RESET_CONTROLLER
174	select DMA_ENGINE
175	select DMA_VIRTUAL_CHANNELS
176	help
177	  Support for the DMA engine first found in Allwinner A31 SoCs.
178
179config DW_AXI_DMAC
180	tristate "Synopsys DesignWare AXI DMA support"
181	depends on OF || COMPILE_TEST
182	select DMA_ENGINE
183	select DMA_VIRTUAL_CHANNELS
184	help
185	  Enable support for Synopsys DesignWare AXI DMA controller.
186	  NOTE: This driver wasn't tested on 64 bit platform because
187	  of lack 64 bit platform with Synopsys DW AXI DMAC.
188
189config EP93XX_DMA
190	bool "Cirrus Logic EP93xx DMA support"
191	depends on ARCH_EP93XX || COMPILE_TEST
192	select DMA_ENGINE
193	help
194	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
195
196config FSL_DMA
197	tristate "Freescale Elo series DMA support"
198	depends on FSL_SOC
199	select DMA_ENGINE
200	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
201	help
202	  Enable support for the Freescale Elo series DMA controllers.
203	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
204	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
205	  some Txxx and Bxxx parts.
206
207config FSL_EDMA
208	tristate "Freescale eDMA engine support"
209	depends on OF
210	select DMA_ENGINE
211	select DMA_VIRTUAL_CHANNELS
212	help
213	  Support the Freescale eDMA engine with programmable channel
214	  multiplexing capability for DMA request sources(slot).
215	  This module can be found on Freescale Vybrid and LS-1 SoCs.
216
217config FSL_QDMA
218	tristate "NXP Layerscape qDMA engine support"
219	depends on ARM || ARM64
220	select DMA_ENGINE
221	select DMA_VIRTUAL_CHANNELS
222	select DMA_ENGINE_RAID
223	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
224	help
225	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
226	 Channel virtualization is supported through enqueuing of DMA jobs to,
227	 or dequeuing DMA jobs from, different work queues.
228	 This module can be found on NXP Layerscape SoCs.
229	  The qdma driver only work on  SoCs with a DPAA hardware block.
230
231config FSL_RAID
232	tristate "Freescale RAID engine Support"
233	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
234	select DMA_ENGINE
235	select DMA_ENGINE_RAID
236	help
237	  Enable support for Freescale RAID Engine. RAID Engine is
238	  available on some QorIQ SoCs (like P5020/P5040). It has
239	  the capability to offload memcpy, xor and pq computation
240	  for raid5/6.
241
242config HISI_DMA
243	tristate "HiSilicon DMA Engine support"
244	depends on ARM64 || COMPILE_TEST
245	depends on PCI_MSI
246	select DMA_ENGINE
247	select DMA_VIRTUAL_CHANNELS
248	help
249	  Support HiSilicon Kunpeng DMA engine.
250
251config IMG_MDC_DMA
252	tristate "IMG MDC support"
253	depends on MIPS || COMPILE_TEST
254	depends on MFD_SYSCON
255	select DMA_ENGINE
256	select DMA_VIRTUAL_CHANNELS
257	help
258	  Enable support for the IMG multi-threaded DMA controller (MDC).
259
260config IMX_DMA
261	tristate "i.MX DMA support"
262	depends on ARCH_MXC
263	select DMA_ENGINE
264	help
265	  Support the i.MX DMA engine. This engine is integrated into
266	  Freescale i.MX1/21/27 chips.
267
268config IMX_SDMA
269	tristate "i.MX SDMA support"
270	depends on ARCH_MXC
271	select DMA_ENGINE
272	select DMA_VIRTUAL_CHANNELS
273	help
274	  Support the i.MX SDMA engine. This engine is integrated into
275	  Freescale i.MX25/31/35/51/53/6 chips.
276
277config INTEL_IDMA64
278	tristate "Intel integrated DMA 64-bit support"
279	select DMA_ENGINE
280	select DMA_VIRTUAL_CHANNELS
281	help
282	  Enable DMA support for Intel Low Power Subsystem such as found on
283	  Intel Skylake PCH.
284
285config INTEL_IDXD
286	tristate "Intel Data Accelerators support"
287	depends on PCI && X86_64
288	depends on PCI_MSI
289	depends on SBITMAP
290	select DMA_ENGINE
291	help
292	  Enable support for the Intel(R) data accelerators present
293	  in Intel Xeon CPU.
294
295	  Say Y if you have such a platform.
296
297	  If unsure, say N.
298
299# Config symbol that collects all the dependencies that's necessary to
300# support shared virtual memory for the devices supported by idxd.
301config INTEL_IDXD_SVM
302	bool "Accelerator Shared Virtual Memory Support"
303	depends on INTEL_IDXD
304	depends on INTEL_IOMMU_SVM
305	depends on PCI_PRI
306	depends on PCI_PASID
307	depends on PCI_IOV
308
309config INTEL_IOATDMA
310	tristate "Intel I/OAT DMA support"
311	depends on PCI && X86_64
312	select DMA_ENGINE
313	select DMA_ENGINE_RAID
314	select DCA
315	help
316	  Enable support for the Intel(R) I/OAT DMA engine present
317	  in recent Intel Xeon chipsets.
318
319	  Say Y here if you have such a chipset.
320
321	  If unsure, say N.
322
323config INTEL_IOP_ADMA
324	tristate "Intel IOP32x ADMA support"
325	depends on ARCH_IOP32X || COMPILE_TEST
326	select DMA_ENGINE
327	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
328	help
329	  Enable support for the Intel(R) IOP Series RAID engines.
330
331config K3_DMA
332	tristate "Hisilicon K3 DMA support"
333	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
334	select DMA_ENGINE
335	select DMA_VIRTUAL_CHANNELS
336	help
337	  Support the DMA engine for Hisilicon K3 platform
338	  devices.
339
340config LPC18XX_DMAMUX
341	bool "NXP LPC18xx/43xx DMA MUX for PL080"
342	depends on ARCH_LPC18XX || COMPILE_TEST
343	depends on OF && AMBA_PL08X
344	select MFD_SYSCON
345	help
346	  Enable support for DMA on NXP LPC18xx/43xx platforms
347	  with PL080 and multiplexed DMA request lines.
348
349config MCF_EDMA
350	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
351	depends on M5441x || COMPILE_TEST
352	select DMA_ENGINE
353	select DMA_VIRTUAL_CHANNELS
354	help
355	  Support the Freescale ColdFire eDMA engine, 64-channel
356	  implementation that performs complex data transfers with
357	  minimal intervention from a host processor.
358	  This module can be found on Freescale ColdFire mcf5441x SoCs.
359
360config MILBEAUT_HDMAC
361	tristate "Milbeaut AHB DMA support"
362	depends on ARCH_MILBEAUT || COMPILE_TEST
363	depends on OF
364	select DMA_ENGINE
365	select DMA_VIRTUAL_CHANNELS
366	help
367	  Say yes here to support the Socionext Milbeaut
368	  HDMAC device.
369
370config MILBEAUT_XDMAC
371	tristate "Milbeaut AXI DMA support"
372	depends on ARCH_MILBEAUT || COMPILE_TEST
373	depends on OF
374	select DMA_ENGINE
375	select DMA_VIRTUAL_CHANNELS
376	help
377	  Say yes here to support the Socionext Milbeaut
378	  XDMAC device.
379
380config MMP_PDMA
381	bool "MMP PDMA support"
382	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
383	select DMA_ENGINE
384	help
385	  Support the MMP PDMA engine for PXA and MMP platform.
386
387config MMP_TDMA
388	bool "MMP Two-Channel DMA support"
389	depends on ARCH_MMP || COMPILE_TEST
390	select DMA_ENGINE
391	select GENERIC_ALLOCATOR
392	help
393	  Support the MMP Two-Channel DMA engine.
394	  This engine used for MMP Audio DMA and pxa910 SQU.
395
396config MOXART_DMA
397	tristate "MOXART DMA support"
398	depends on ARCH_MOXART
399	select DMA_ENGINE
400	select DMA_VIRTUAL_CHANNELS
401	help
402	  Enable support for the MOXA ART SoC DMA controller.
403
404	  Say Y here if you enabled MMP ADMA, otherwise say N.
405
406config MPC512X_DMA
407	tristate "Freescale MPC512x built-in DMA engine support"
408	depends on PPC_MPC512x || PPC_MPC831x
409	select DMA_ENGINE
410	help
411	  Enable support for the Freescale MPC512x built-in DMA engine.
412
413config MV_XOR
414	bool "Marvell XOR engine support"
415	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
416	select DMA_ENGINE
417	select DMA_ENGINE_RAID
418	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
419	help
420	  Enable support for the Marvell XOR engine.
421
422config MV_XOR_V2
423	bool "Marvell XOR engine version 2 support "
424	depends on ARM64
425	select DMA_ENGINE
426	select DMA_ENGINE_RAID
427	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
428	select GENERIC_MSI_IRQ_DOMAIN
429	help
430	  Enable support for the Marvell version 2 XOR engine.
431
432	  This engine provides acceleration for copy, XOR and RAID6
433	  operations, and is available on Marvell Armada 7K and 8K
434	  platforms.
435
436config MXS_DMA
437	bool "MXS DMA support"
438	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
439	select STMP_DEVICE
440	select DMA_ENGINE
441	help
442	  Support the MXS DMA engine. This engine including APBH-DMA
443	  and APBX-DMA is integrated into some Freescale chips.
444
445config MX3_IPU
446	bool "MX3x Image Processing Unit support"
447	depends on ARCH_MXC
448	select DMA_ENGINE
449	default y
450	help
451	  If you plan to use the Image Processing unit in the i.MX3x, say
452	  Y here. If unsure, select Y.
453
454config MX3_IPU_IRQS
455	int "Number of dynamically mapped interrupts for IPU"
456	depends on MX3_IPU
457	range 2 137
458	default 4
459	help
460	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
461	  To avoid bloating the irq_desc[] array we allocate a sufficient
462	  number of IRQ slots and map them dynamically to specific sources.
463
464config NBPFAXI_DMA
465	tristate "Renesas Type-AXI NBPF DMA support"
466	select DMA_ENGINE
467	depends on ARM || COMPILE_TEST
468	help
469	  Support for "Type-AXI" NBPF DMA IPs from Renesas
470
471config OWL_DMA
472	tristate "Actions Semi Owl SoCs DMA support"
473	depends on ARCH_ACTIONS
474	select DMA_ENGINE
475	select DMA_VIRTUAL_CHANNELS
476	help
477	  Enable support for the Actions Semi Owl SoCs DMA controller.
478
479config PCH_DMA
480	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
481	depends on PCI && (X86_32 || COMPILE_TEST)
482	select DMA_ENGINE
483	help
484	  Enable support for Intel EG20T PCH DMA engine.
485
486	  This driver also can be used for LAPIS Semiconductor IOH(Input/
487	  Output Hub), ML7213, ML7223 and ML7831.
488	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
489	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
490	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
491	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
492
493config PL330_DMA
494	tristate "DMA API Driver for PL330"
495	select DMA_ENGINE
496	depends on ARM_AMBA
497	help
498	  Select if your platform has one or more PL330 DMACs.
499	  You need to provide platform specific settings via
500	  platform_data for a dma-pl330 device.
501
502config PXA_DMA
503	bool "PXA DMA support"
504	depends on (ARCH_MMP || ARCH_PXA)
505	select DMA_ENGINE
506	select DMA_VIRTUAL_CHANNELS
507	help
508	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
509	  platform. The internal DMA IP of all PXA variants is supported, with
510	  16 to 32 channels for peripheral to memory or memory to memory
511	  transfers.
512
513config PLX_DMA
514	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
515	depends on PCI
516	select DMA_ENGINE
517	help
518	  Some PLX ExpressLane PCI Switches support additional DMA engines.
519	  These are exposed via extra functions on the switch's
520	  upstream port. Each function exposes one DMA channel.
521
522config SIRF_DMA
523	tristate "CSR SiRFprimaII/SiRFmarco DMA support"
524	depends on ARCH_SIRF
525	select DMA_ENGINE
526	help
527	  Enable support for the CSR SiRFprimaII DMA engine.
528
529config STE_DMA40
530	bool "ST-Ericsson DMA40 support"
531	depends on ARCH_U8500
532	select DMA_ENGINE
533	help
534	  Support for ST-Ericsson DMA40 controller
535
536config ST_FDMA
537	tristate "ST FDMA dmaengine support"
538	depends on ARCH_STI
539	depends on REMOTEPROC
540	select ST_SLIM_REMOTEPROC
541	select DMA_ENGINE
542	select DMA_VIRTUAL_CHANNELS
543	help
544	  Enable support for ST FDMA controller.
545	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
546
547	  Say Y here if you have such a chipset.
548	  If unsure, say N.
549
550config STM32_DMA
551	bool "STMicroelectronics STM32 DMA support"
552	depends on ARCH_STM32 || COMPILE_TEST
553	select DMA_ENGINE
554	select DMA_VIRTUAL_CHANNELS
555	help
556	  Enable support for the on-chip DMA controller on STMicroelectronics
557	  STM32 MCUs.
558	  If you have a board based on such a MCU and wish to use DMA say Y
559	  here.
560
561config STM32_DMAMUX
562	bool "STMicroelectronics STM32 dma multiplexer support"
563	depends on STM32_DMA || COMPILE_TEST
564	help
565	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
566	  STM32 MCUs.
567	  If you have a board based on such a MCU and wish to use DMAMUX say Y
568	  here.
569
570config STM32_MDMA
571	bool "STMicroelectronics STM32 master dma support"
572	depends on ARCH_STM32 || COMPILE_TEST
573	depends on OF
574	select DMA_ENGINE
575	select DMA_VIRTUAL_CHANNELS
576	help
577	  Enable support for the on-chip MDMA controller on STMicroelectronics
578	  STM32 platforms.
579	  If you have a board based on STM32 SoC and wish to use the master DMA
580	  say Y here.
581
582config SPRD_DMA
583	tristate "Spreadtrum DMA support"
584	depends on ARCH_SPRD || COMPILE_TEST
585	select DMA_ENGINE
586	select DMA_VIRTUAL_CHANNELS
587	help
588	  Enable support for the on-chip DMA controller on Spreadtrum platform.
589
590config S3C24XX_DMAC
591	bool "Samsung S3C24XX DMA support"
592	depends on ARCH_S3C24XX || COMPILE_TEST
593	select DMA_ENGINE
594	select DMA_VIRTUAL_CHANNELS
595	help
596	  Support for the Samsung S3C24XX DMA controller driver. The
597	  DMA controller is having multiple DMA channels which can be
598	  configured for different peripherals like audio, UART, SPI.
599	  The DMA controller can transfer data from memory to peripheral,
600	  periphal to memory, periphal to periphal and memory to memory.
601
602config TXX9_DMAC
603	tristate "Toshiba TXx9 SoC DMA support"
604	depends on MACH_TX49XX || MACH_TX39XX
605	select DMA_ENGINE
606	help
607	  Support the TXx9 SoC internal DMA controller.  This can be
608	  integrated in chips such as the Toshiba TX4927/38/39.
609
610config TEGRA20_APB_DMA
611	tristate "NVIDIA Tegra20 APB DMA support"
612	depends on ARCH_TEGRA || COMPILE_TEST
613	select DMA_ENGINE
614	help
615	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
616	  DMA controller is having multiple DMA channel which can be
617	  configured for different peripherals like audio, UART, SPI,
618	  I2C etc which is in APB bus.
619	  This DMA controller transfers data from memory to peripheral fifo
620	  or vice versa. It does not support memory to memory data transfer.
621
622config TEGRA210_ADMA
623	tristate "NVIDIA Tegra210 ADMA support"
624	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
625	select DMA_ENGINE
626	select DMA_VIRTUAL_CHANNELS
627	help
628	  Support for the NVIDIA Tegra210 ADMA controller driver. The
629	  DMA controller has multiple DMA channels and is used to service
630	  various audio clients in the Tegra210 audio processing engine
631	  (APE). This DMA controller transfers data from memory to
632	  peripheral and vice versa. It does not support memory to
633	  memory data transfer.
634
635config TIMB_DMA
636	tristate "Timberdale FPGA DMA support"
637	depends on MFD_TIMBERDALE || COMPILE_TEST
638	select DMA_ENGINE
639	help
640	  Enable support for the Timberdale FPGA DMA engine.
641
642config UNIPHIER_MDMAC
643	tristate "UniPhier MIO DMAC"
644	depends on ARCH_UNIPHIER || COMPILE_TEST
645	depends on OF
646	select DMA_ENGINE
647	select DMA_VIRTUAL_CHANNELS
648	help
649	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
650	  UniPhier platform.  This DMA controller is used as the external
651	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
652
653config UNIPHIER_XDMAC
654	tristate "UniPhier XDMAC support"
655	depends on ARCH_UNIPHIER || COMPILE_TEST
656	depends on OF
657	select DMA_ENGINE
658	select DMA_VIRTUAL_CHANNELS
659	help
660	  Enable support for the XDMAC (external DMA controller) on the
661	  UniPhier platform. This DMA controller can transfer data from
662	  memory to memory, memory to peripheral and peripheral to memory.
663
664config XGENE_DMA
665	tristate "APM X-Gene DMA support"
666	depends on ARCH_XGENE || COMPILE_TEST
667	select DMA_ENGINE
668	select DMA_ENGINE_RAID
669	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
670	help
671	  Enable support for the APM X-Gene SoC DMA engine.
672
673config XILINX_DMA
674	tristate "Xilinx AXI DMAS Engine"
675	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
676	select DMA_ENGINE
677	help
678	  Enable support for Xilinx AXI VDMA Soft IP.
679
680	  AXI VDMA engine provides high-bandwidth direct memory access
681	  between memory and AXI4-Stream video type target
682	  peripherals including peripherals which support AXI4-
683	  Stream Video Protocol.  It has two stream interfaces/
684	  channels, Memory Mapped to Stream (MM2S) and Stream to
685	  Memory Mapped (S2MM) for the data transfers.
686	  AXI CDMA engine provides high-bandwidth direct memory access
687	  between a memory-mapped source address and a memory-mapped
688	  destination address.
689	  AXI DMA engine provides high-bandwidth one dimensional direct
690	  memory access between memory and AXI4-Stream target peripherals.
691	  AXI MCDMA engine provides high-bandwidth direct memory access
692	  between memory and AXI4-Stream target peripherals. It provides
693	  the scatter gather interface with multiple channels independent
694	  configuration support.
695
696config XILINX_ZYNQMP_DMA
697	tristate "Xilinx ZynqMP DMA Engine"
698	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
699	select DMA_ENGINE
700	help
701	  Enable support for Xilinx ZynqMP DMA controller.
702
703config XILINX_ZYNQMP_DPDMA
704	tristate "Xilinx DPDMA Engine"
705	select DMA_ENGINE
706	select DMA_VIRTUAL_CHANNELS
707	help
708	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
709	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
710	  driver provides the dmaengine required by the DisplayPort subsystem
711	  display driver.
712
713config ZX_DMA
714	tristate "ZTE ZX DMA support"
715	depends on ARCH_ZX || COMPILE_TEST
716	select DMA_ENGINE
717	select DMA_VIRTUAL_CHANNELS
718	help
719	  Support the DMA engine for ZTE ZX family platform devices.
720
721
722# driver files
723source "drivers/dma/bestcomm/Kconfig"
724
725source "drivers/dma/mediatek/Kconfig"
726
727source "drivers/dma/qcom/Kconfig"
728
729source "drivers/dma/dw/Kconfig"
730
731source "drivers/dma/dw-edma/Kconfig"
732
733source "drivers/dma/hsu/Kconfig"
734
735source "drivers/dma/sf-pdma/Kconfig"
736
737source "drivers/dma/sh/Kconfig"
738
739source "drivers/dma/ti/Kconfig"
740
741source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
742
743# clients
744comment "DMA Clients"
745	depends on DMA_ENGINE
746
747config ASYNC_TX_DMA
748	bool "Async_tx: Offload support for the async_tx api"
749	depends on DMA_ENGINE
750	help
751	  This allows the async_tx api to take advantage of offload engines for
752	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
753	  a dma engine that can perform raid operations and you have enabled
754	  MD_RAID456 say Y.
755
756	  If unsure, say N.
757
758config DMATEST
759	tristate "DMA Test client"
760	depends on DMA_ENGINE
761	select DMA_ENGINE_RAID
762	help
763	  Simple DMA test client. Say N unless you're debugging a
764	  DMA Device driver.
765
766config DMA_ENGINE_RAID
767	bool
768
769endif
770