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_INTEL_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 DMA_BCM2835
129	tristate "BCM2835 DMA engine support"
130	depends on ARCH_BCM2835
131	select DMA_ENGINE
132	select DMA_VIRTUAL_CHANNELS
133
134config DMA_JZ4780
135	tristate "JZ4780 DMA support"
136	depends on MIPS || COMPILE_TEST
137	select DMA_ENGINE
138	select DMA_VIRTUAL_CHANNELS
139	help
140	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
141	  If you have a board based on such a SoC and wish to use DMA for
142	  devices which can use the DMA controller, say Y or M here.
143
144config DMA_SA11X0
145	tristate "SA-11x0 DMA support"
146	depends on ARCH_SA1100 || COMPILE_TEST
147	select DMA_ENGINE
148	select DMA_VIRTUAL_CHANNELS
149	help
150	  Support the DMA engine found on Intel StrongARM SA-1100 and
151	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
152	  devices.
153
154config DMA_SUN4I
155	tristate "Allwinner A10 DMA SoCs support"
156	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
157	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
158	select DMA_ENGINE
159	select DMA_VIRTUAL_CHANNELS
160	help
161	  Enable support for the DMA controller present in the sun4i,
162	  sun5i and sun7i Allwinner ARM SoCs.
163
164config DMA_SUN6I
165	tristate "Allwinner A31 SoCs DMA support"
166	depends on ARCH_SUNXI || COMPILE_TEST
167	depends on RESET_CONTROLLER
168	select DMA_ENGINE
169	select DMA_VIRTUAL_CHANNELS
170	help
171	  Support for the DMA engine first found in Allwinner A31 SoCs.
172
173config DW_AXI_DMAC
174	tristate "Synopsys DesignWare AXI DMA support"
175	depends on OF || COMPILE_TEST
176	depends on HAS_IOMEM
177	select DMA_ENGINE
178	select DMA_VIRTUAL_CHANNELS
179	help
180	  Enable support for Synopsys DesignWare AXI DMA controller.
181	  NOTE: This driver wasn't tested on 64 bit platform because
182	  of lack 64 bit platform with Synopsys DW AXI DMAC.
183
184config EP93XX_DMA
185	bool "Cirrus Logic EP93xx DMA support"
186	depends on ARCH_EP93XX || COMPILE_TEST
187	select DMA_ENGINE
188	help
189	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
190
191config FSL_DMA
192	tristate "Freescale Elo series DMA support"
193	depends on FSL_SOC
194	select DMA_ENGINE
195	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
196	help
197	  Enable support for the Freescale Elo series DMA controllers.
198	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
199	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
200	  some Txxx and Bxxx parts.
201
202config FSL_EDMA
203	tristate "Freescale eDMA engine support"
204	depends on OF
205	select DMA_ENGINE
206	select DMA_VIRTUAL_CHANNELS
207	help
208	  Support the Freescale eDMA engine with programmable channel
209	  multiplexing capability for DMA request sources(slot).
210	  This module can be found on Freescale Vybrid and LS-1 SoCs.
211
212config FSL_QDMA
213	tristate "NXP Layerscape qDMA engine support"
214	depends on ARM || ARM64
215	select DMA_ENGINE
216	select DMA_VIRTUAL_CHANNELS
217	select DMA_ENGINE_RAID
218	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
219	help
220	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
221	 Channel virtualization is supported through enqueuing of DMA jobs to,
222	 or dequeuing DMA jobs from, different work queues.
223	 This module can be found on NXP Layerscape SoCs.
224	  The qdma driver only work on  SoCs with a DPAA hardware block.
225
226config FSL_RAID
227	tristate "Freescale RAID engine Support"
228	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
229	select DMA_ENGINE
230	select DMA_ENGINE_RAID
231	help
232	  Enable support for Freescale RAID Engine. RAID Engine is
233	  available on some QorIQ SoCs (like P5020/P5040). It has
234	  the capability to offload memcpy, xor and pq computation
235	  for raid5/6.
236
237config HISI_DMA
238	tristate "HiSilicon DMA Engine support"
239	depends on ARM64 || COMPILE_TEST
240	depends on PCI_MSI
241	select DMA_ENGINE
242	select DMA_VIRTUAL_CHANNELS
243	help
244	  Support HiSilicon Kunpeng DMA engine.
245
246config IMG_MDC_DMA
247	tristate "IMG MDC support"
248	depends on MIPS || COMPILE_TEST
249	depends on MFD_SYSCON
250	select DMA_ENGINE
251	select DMA_VIRTUAL_CHANNELS
252	help
253	  Enable support for the IMG multi-threaded DMA controller (MDC).
254
255config IMX_DMA
256	tristate "i.MX DMA support"
257	depends on ARCH_MXC
258	select DMA_ENGINE
259	help
260	  Support the i.MX DMA engine. This engine is integrated into
261	  Freescale i.MX1/21/27 chips.
262
263config IMX_SDMA
264	tristate "i.MX SDMA support"
265	depends on ARCH_MXC
266	select DMA_ENGINE
267	select DMA_VIRTUAL_CHANNELS
268	help
269	  Support the i.MX SDMA engine. This engine is integrated into
270	  Freescale i.MX25/31/35/51/53/6 chips.
271
272config INTEL_IDMA64
273	tristate "Intel integrated DMA 64-bit support"
274	select DMA_ENGINE
275	select DMA_VIRTUAL_CHANNELS
276	help
277	  Enable DMA support for Intel Low Power Subsystem such as found on
278	  Intel Skylake PCH.
279
280config INTEL_IDXD_BUS
281	tristate
282	default INTEL_IDXD
283
284config INTEL_IDXD
285	tristate "Intel Data Accelerators support"
286	depends on PCI && X86_64 && !UML
287	depends on PCI_MSI
288	depends on PCI_PASID
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
299config INTEL_IDXD_COMPAT
300	bool "Legacy behavior for idxd driver"
301	depends on PCI && X86_64
302	select INTEL_IDXD_BUS
303	help
304	  Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
305	  The old behavior performed driver bind/unbind for device and wq
306	  devices all under the dsa driver. The compat driver will emulate
307	  the legacy behavior in order to allow existing support apps (i.e.
308	  accel-config) to continue function. It is expected that accel-config
309	  v3.2 and earlier will need the compat mode. A distro with later
310	  accel-config version can disable this compat config.
311
312	  Say Y if you have old applications that require such behavior.
313
314	  If unsure, say N.
315
316# Config symbol that collects all the dependencies that's necessary to
317# support shared virtual memory for the devices supported by idxd.
318config INTEL_IDXD_SVM
319	bool "Accelerator Shared Virtual Memory Support"
320	depends on INTEL_IDXD
321	depends on INTEL_IOMMU_SVM
322	depends on PCI_PRI
323	depends on PCI_PASID
324	depends on PCI_IOV
325
326config INTEL_IDXD_PERFMON
327	bool "Intel Data Accelerators performance monitor support"
328	depends on INTEL_IDXD
329	help
330	  Enable performance monitor (pmu) support for the Intel(R)
331	  data accelerators present in Intel Xeon CPU.  With this
332	  enabled, perf can be used to monitor the DSA (Intel Data
333	  Streaming Accelerator) events described in the Intel DSA
334	  spec.
335
336	  If unsure, say N.
337
338config INTEL_IOATDMA
339	tristate "Intel I/OAT DMA support"
340	depends on PCI && X86_64 && !UML
341	select DMA_ENGINE
342	select DMA_ENGINE_RAID
343	select DCA
344	help
345	  Enable support for the Intel(R) I/OAT DMA engine present
346	  in recent Intel Xeon chipsets.
347
348	  Say Y here if you have such a chipset.
349
350	  If unsure, say N.
351
352config INTEL_IOP_ADMA
353	tristate "Intel IOP32x ADMA support"
354	depends on ARCH_IOP32X || COMPILE_TEST
355	select DMA_ENGINE
356	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
357	help
358	  Enable support for the Intel(R) IOP Series RAID engines.
359
360config K3_DMA
361	tristate "Hisilicon K3 DMA support"
362	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
363	select DMA_ENGINE
364	select DMA_VIRTUAL_CHANNELS
365	help
366	  Support the DMA engine for Hisilicon K3 platform
367	  devices.
368
369config LPC18XX_DMAMUX
370	bool "NXP LPC18xx/43xx DMA MUX for PL080"
371	depends on ARCH_LPC18XX || COMPILE_TEST
372	depends on OF && AMBA_PL08X
373	select MFD_SYSCON
374	help
375	  Enable support for DMA on NXP LPC18xx/43xx platforms
376	  with PL080 and multiplexed DMA request lines.
377
378config MCF_EDMA
379	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
380	depends on M5441x || COMPILE_TEST
381	select DMA_ENGINE
382	select DMA_VIRTUAL_CHANNELS
383	help
384	  Support the Freescale ColdFire eDMA engine, 64-channel
385	  implementation that performs complex data transfers with
386	  minimal intervention from a host processor.
387	  This module can be found on Freescale ColdFire mcf5441x SoCs.
388
389config MILBEAUT_HDMAC
390	tristate "Milbeaut AHB DMA support"
391	depends on ARCH_MILBEAUT || COMPILE_TEST
392	depends on OF
393	select DMA_ENGINE
394	select DMA_VIRTUAL_CHANNELS
395	help
396	  Say yes here to support the Socionext Milbeaut
397	  HDMAC device.
398
399config MILBEAUT_XDMAC
400	tristate "Milbeaut AXI DMA support"
401	depends on ARCH_MILBEAUT || COMPILE_TEST
402	depends on OF
403	select DMA_ENGINE
404	select DMA_VIRTUAL_CHANNELS
405	help
406	  Say yes here to support the Socionext Milbeaut
407	  XDMAC device.
408
409config MMP_PDMA
410	tristate "MMP PDMA support"
411	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
412	select DMA_ENGINE
413	help
414	  Support the MMP PDMA engine for PXA and MMP platform.
415
416config MMP_TDMA
417	tristate "MMP Two-Channel DMA support"
418	depends on ARCH_MMP || COMPILE_TEST
419	select DMA_ENGINE
420	select GENERIC_ALLOCATOR
421	help
422	  Support the MMP Two-Channel DMA engine.
423	  This engine used for MMP Audio DMA and pxa910 SQU.
424
425config MOXART_DMA
426	tristate "MOXART DMA support"
427	depends on ARCH_MOXART
428	select DMA_ENGINE
429	select DMA_VIRTUAL_CHANNELS
430	help
431	  Enable support for the MOXA ART SoC DMA controller.
432
433	  Say Y here if you enabled MMP ADMA, otherwise say N.
434
435config MPC512X_DMA
436	tristate "Freescale MPC512x built-in DMA engine support"
437	depends on PPC_MPC512x || PPC_MPC831x
438	select DMA_ENGINE
439	help
440	  Enable support for the Freescale MPC512x built-in DMA engine.
441
442config MV_XOR
443	bool "Marvell XOR engine support"
444	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
445	select DMA_ENGINE
446	select DMA_ENGINE_RAID
447	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
448	help
449	  Enable support for the Marvell XOR engine.
450
451config MV_XOR_V2
452	bool "Marvell XOR engine version 2 support "
453	depends on ARM64
454	select DMA_ENGINE
455	select DMA_ENGINE_RAID
456	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
457	select GENERIC_MSI_IRQ_DOMAIN
458	help
459	  Enable support for the Marvell version 2 XOR engine.
460
461	  This engine provides acceleration for copy, XOR and RAID6
462	  operations, and is available on Marvell Armada 7K and 8K
463	  platforms.
464
465config MXS_DMA
466	bool "MXS DMA support"
467	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
468	select STMP_DEVICE
469	select DMA_ENGINE
470	help
471	  Support the MXS DMA engine. This engine including APBH-DMA
472	  and APBX-DMA is integrated into some Freescale chips.
473
474config MX3_IPU
475	bool "MX3x Image Processing Unit support"
476	depends on ARCH_MXC
477	select DMA_ENGINE
478	default y
479	help
480	  If you plan to use the Image Processing unit in the i.MX3x, say
481	  Y here. If unsure, select Y.
482
483config MX3_IPU_IRQS
484	int "Number of dynamically mapped interrupts for IPU"
485	depends on MX3_IPU
486	range 2 137
487	default 4
488	help
489	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
490	  To avoid bloating the irq_desc[] array we allocate a sufficient
491	  number of IRQ slots and map them dynamically to specific sources.
492
493config NBPFAXI_DMA
494	tristate "Renesas Type-AXI NBPF DMA support"
495	select DMA_ENGINE
496	depends on ARM || COMPILE_TEST
497	help
498	  Support for "Type-AXI" NBPF DMA IPs from Renesas
499
500config OWL_DMA
501	tristate "Actions Semi Owl SoCs DMA support"
502	depends on ARCH_ACTIONS
503	select DMA_ENGINE
504	select DMA_VIRTUAL_CHANNELS
505	help
506	  Enable support for the Actions Semi Owl SoCs DMA controller.
507
508config PCH_DMA
509	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
510	depends on PCI && (X86_32 || COMPILE_TEST)
511	select DMA_ENGINE
512	help
513	  Enable support for Intel EG20T PCH DMA engine.
514
515	  This driver also can be used for LAPIS Semiconductor IOH(Input/
516	  Output Hub), ML7213, ML7223 and ML7831.
517	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
518	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
519	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
520	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
521
522config PL330_DMA
523	tristate "DMA API Driver for PL330"
524	select DMA_ENGINE
525	depends on ARM_AMBA
526	help
527	  Select if your platform has one or more PL330 DMACs.
528	  You need to provide platform specific settings via
529	  platform_data for a dma-pl330 device.
530
531config PXA_DMA
532	bool "PXA DMA support"
533	depends on (ARCH_MMP || ARCH_PXA)
534	select DMA_ENGINE
535	select DMA_VIRTUAL_CHANNELS
536	help
537	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
538	  platform. The internal DMA IP of all PXA variants is supported, with
539	  16 to 32 channels for peripheral to memory or memory to memory
540	  transfers.
541
542config PLX_DMA
543	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
544	depends on PCI
545	select DMA_ENGINE
546	help
547	  Some PLX ExpressLane PCI Switches support additional DMA engines.
548	  These are exposed via extra functions on the switch's
549	  upstream port. Each function exposes one DMA channel.
550
551config STE_DMA40
552	bool "ST-Ericsson DMA40 support"
553	depends on ARCH_U8500
554	select DMA_ENGINE
555	help
556	  Support for ST-Ericsson DMA40 controller
557
558config ST_FDMA
559	tristate "ST FDMA dmaengine support"
560	depends on ARCH_STI
561	depends on REMOTEPROC
562	select ST_SLIM_REMOTEPROC
563	select DMA_ENGINE
564	select DMA_VIRTUAL_CHANNELS
565	help
566	  Enable support for ST FDMA controller.
567	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
568
569	  Say Y here if you have such a chipset.
570	  If unsure, say N.
571
572config STM32_DMA
573	bool "STMicroelectronics STM32 DMA support"
574	depends on ARCH_STM32 || COMPILE_TEST
575	select DMA_ENGINE
576	select DMA_VIRTUAL_CHANNELS
577	help
578	  Enable support for the on-chip DMA controller on STMicroelectronics
579	  STM32 MCUs.
580	  If you have a board based on such a MCU and wish to use DMA say Y
581	  here.
582
583config STM32_DMAMUX
584	bool "STMicroelectronics STM32 dma multiplexer support"
585	depends on STM32_DMA || COMPILE_TEST
586	help
587	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
588	  STM32 MCUs.
589	  If you have a board based on such a MCU and wish to use DMAMUX say Y
590	  here.
591
592config STM32_MDMA
593	bool "STMicroelectronics STM32 master dma support"
594	depends on ARCH_STM32 || COMPILE_TEST
595	depends on OF
596	select DMA_ENGINE
597	select DMA_VIRTUAL_CHANNELS
598	help
599	  Enable support for the on-chip MDMA controller on STMicroelectronics
600	  STM32 platforms.
601	  If you have a board based on STM32 SoC and wish to use the master DMA
602	  say Y here.
603
604config SPRD_DMA
605	tristate "Spreadtrum DMA support"
606	depends on ARCH_SPRD || COMPILE_TEST
607	select DMA_ENGINE
608	select DMA_VIRTUAL_CHANNELS
609	help
610	  Enable support for the on-chip DMA controller on Spreadtrum platform.
611
612config S3C24XX_DMAC
613	bool "Samsung S3C24XX DMA support"
614	depends on ARCH_S3C24XX || COMPILE_TEST
615	select DMA_ENGINE
616	select DMA_VIRTUAL_CHANNELS
617	help
618	  Support for the Samsung S3C24XX DMA controller driver. The
619	  DMA controller is having multiple DMA channels which can be
620	  configured for different peripherals like audio, UART, SPI.
621	  The DMA controller can transfer data from memory to peripheral,
622	  periphal to memory, periphal to periphal and memory to memory.
623
624config TXX9_DMAC
625	tristate "Toshiba TXx9 SoC DMA support"
626	depends on MACH_TX49XX
627	select DMA_ENGINE
628	help
629	  Support the TXx9 SoC internal DMA controller.  This can be
630	  integrated in chips such as the Toshiba TX4927/38/39.
631
632config TEGRA186_GPC_DMA
633	tristate "NVIDIA Tegra GPC DMA support"
634	depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT
635	depends on IOMMU_API
636	select DMA_ENGINE
637	help
638	  Support for the NVIDIA Tegra General Purpose Central DMA controller.
639	  The DMA controller has multiple DMA channels which can be configured
640	  for different peripherals like UART, SPI, etc which are on APB bus.
641	  This DMA controller transfers data from memory to peripheral FIFO
642	  or vice versa. It also supports memory to memory data transfer.
643
644config TEGRA20_APB_DMA
645	tristate "NVIDIA Tegra20 APB DMA support"
646	depends on ARCH_TEGRA || COMPILE_TEST
647	select DMA_ENGINE
648	help
649	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
650	  DMA controller is having multiple DMA channel which can be
651	  configured for different peripherals like audio, UART, SPI,
652	  I2C etc which is in APB bus.
653	  This DMA controller transfers data from memory to peripheral fifo
654	  or vice versa. It does not support memory to memory data transfer.
655
656config TEGRA210_ADMA
657	tristate "NVIDIA Tegra210 ADMA support"
658	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
659	select DMA_ENGINE
660	select DMA_VIRTUAL_CHANNELS
661	help
662	  Support for the NVIDIA Tegra210 ADMA controller driver. The
663	  DMA controller has multiple DMA channels and is used to service
664	  various audio clients in the Tegra210 audio processing engine
665	  (APE). This DMA controller transfers data from memory to
666	  peripheral and vice versa. It does not support memory to
667	  memory data transfer.
668
669config TIMB_DMA
670	tristate "Timberdale FPGA DMA support"
671	depends on MFD_TIMBERDALE || COMPILE_TEST
672	select DMA_ENGINE
673	help
674	  Enable support for the Timberdale FPGA DMA engine.
675
676config UNIPHIER_MDMAC
677	tristate "UniPhier MIO DMAC"
678	depends on ARCH_UNIPHIER || COMPILE_TEST
679	depends on OF
680	select DMA_ENGINE
681	select DMA_VIRTUAL_CHANNELS
682	help
683	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
684	  UniPhier platform.  This DMA controller is used as the external
685	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
686
687config UNIPHIER_XDMAC
688	tristate "UniPhier XDMAC support"
689	depends on ARCH_UNIPHIER || COMPILE_TEST
690	depends on OF
691	select DMA_ENGINE
692	select DMA_VIRTUAL_CHANNELS
693	help
694	  Enable support for the XDMAC (external DMA controller) on the
695	  UniPhier platform. This DMA controller can transfer data from
696	  memory to memory, memory to peripheral and peripheral to memory.
697
698config XGENE_DMA
699	tristate "APM X-Gene DMA support"
700	depends on ARCH_XGENE || COMPILE_TEST
701	select DMA_ENGINE
702	select DMA_ENGINE_RAID
703	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
704	help
705	  Enable support for the APM X-Gene SoC DMA engine.
706
707config XILINX_DMA
708	tristate "Xilinx AXI DMAS Engine"
709	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
710	select DMA_ENGINE
711	help
712	  Enable support for Xilinx AXI VDMA Soft IP.
713
714	  AXI VDMA engine provides high-bandwidth direct memory access
715	  between memory and AXI4-Stream video type target
716	  peripherals including peripherals which support AXI4-
717	  Stream Video Protocol.  It has two stream interfaces/
718	  channels, Memory Mapped to Stream (MM2S) and Stream to
719	  Memory Mapped (S2MM) for the data transfers.
720	  AXI CDMA engine provides high-bandwidth direct memory access
721	  between a memory-mapped source address and a memory-mapped
722	  destination address.
723	  AXI DMA engine provides high-bandwidth one dimensional direct
724	  memory access between memory and AXI4-Stream target peripherals.
725	  AXI MCDMA engine provides high-bandwidth direct memory access
726	  between memory and AXI4-Stream target peripherals. It provides
727	  the scatter gather interface with multiple channels independent
728	  configuration support.
729
730config XILINX_ZYNQMP_DMA
731	tristate "Xilinx ZynqMP DMA Engine"
732	depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST
733	select DMA_ENGINE
734	help
735	  Enable support for Xilinx ZynqMP DMA controller.
736
737config XILINX_ZYNQMP_DPDMA
738	tristate "Xilinx DPDMA Engine"
739	depends on HAS_IOMEM && OF
740	select DMA_ENGINE
741	select DMA_VIRTUAL_CHANNELS
742	help
743	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
744	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
745	  driver provides the dmaengine required by the DisplayPort subsystem
746	  display driver.
747
748# driver files
749source "drivers/dma/bestcomm/Kconfig"
750
751source "drivers/dma/mediatek/Kconfig"
752
753source "drivers/dma/ptdma/Kconfig"
754
755source "drivers/dma/qcom/Kconfig"
756
757source "drivers/dma/dw/Kconfig"
758
759source "drivers/dma/dw-edma/Kconfig"
760
761source "drivers/dma/hsu/Kconfig"
762
763source "drivers/dma/sf-pdma/Kconfig"
764
765source "drivers/dma/sh/Kconfig"
766
767source "drivers/dma/ti/Kconfig"
768
769source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
770
771source "drivers/dma/lgm/Kconfig"
772
773# clients
774comment "DMA Clients"
775	depends on DMA_ENGINE
776
777config ASYNC_TX_DMA
778	bool "Async_tx: Offload support for the async_tx api"
779	depends on DMA_ENGINE
780	help
781	  This allows the async_tx api to take advantage of offload engines for
782	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
783	  a dma engine that can perform raid operations and you have enabled
784	  MD_RAID456 say Y.
785
786	  If unsure, say N.
787
788config DMATEST
789	tristate "DMA Test client"
790	depends on DMA_ENGINE
791	select DMA_ENGINE_RAID
792	help
793	  Simple DMA test client. Say N unless you're debugging a
794	  DMA Device driver.
795
796config DMA_ENGINE_RAID
797	bool
798
799endif
800