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 APPLE_ADMAC
89	tristate "Apple ADMAC support"
90	depends on ARCH_APPLE || COMPILE_TEST
91	select DMA_ENGINE
92	default ARCH_APPLE
93	help
94	  Enable support for Audio DMA Controller found on Apple Silicon SoCs.
95
96config AT_HDMAC
97	tristate "Atmel AHB DMA support"
98	depends on ARCH_AT91
99	select DMA_ENGINE
100	help
101	  Support the Atmel AHB DMA controller.
102
103config AT_XDMAC
104	tristate "Atmel XDMA support"
105	depends on ARCH_AT91
106	select DMA_ENGINE
107	help
108	  Support the Atmel XDMA controller.
109
110config AXI_DMAC
111	tristate "Analog Devices AXI-DMAC DMA support"
112	depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
113	select DMA_ENGINE
114	select DMA_VIRTUAL_CHANNELS
115	select REGMAP_MMIO
116	help
117	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
118	  controller is often used in Analog Devices' reference designs for FPGA
119	  platforms.
120
121config BCM_SBA_RAID
122	tristate "Broadcom SBA RAID engine support"
123	depends on ARM64 || COMPILE_TEST
124	depends on MAILBOX && RAID6_PQ
125	select DMA_ENGINE
126	select DMA_ENGINE_RAID
127	select ASYNC_TX_DISABLE_XOR_VAL_DMA
128	select ASYNC_TX_DISABLE_PQ_VAL_DMA
129	default m if ARCH_BCM_IPROC
130	help
131	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
132	  engine is available on most of the Broadcom iProc SoCs. It
133	  has the capability to offload memcpy, xor and pq computation
134	  for raid5/6.
135
136config DMA_BCM2835
137	tristate "BCM2835 DMA engine support"
138	depends on ARCH_BCM2835
139	select DMA_ENGINE
140	select DMA_VIRTUAL_CHANNELS
141
142config DMA_JZ4780
143	tristate "JZ4780 DMA support"
144	depends on MIPS || COMPILE_TEST
145	select DMA_ENGINE
146	select DMA_VIRTUAL_CHANNELS
147	help
148	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
149	  If you have a board based on such a SoC and wish to use DMA for
150	  devices which can use the DMA controller, say Y or M here.
151
152config DMA_SA11X0
153	tristate "SA-11x0 DMA support"
154	depends on ARCH_SA1100 || COMPILE_TEST
155	select DMA_ENGINE
156	select DMA_VIRTUAL_CHANNELS
157	help
158	  Support the DMA engine found on Intel StrongARM SA-1100 and
159	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
160	  devices.
161
162config DMA_SUN4I
163	tristate "Allwinner A10 DMA SoCs support"
164	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
165	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
166	select DMA_ENGINE
167	select DMA_VIRTUAL_CHANNELS
168	help
169	  Enable support for the DMA controller present in the sun4i,
170	  sun5i and sun7i Allwinner ARM SoCs.
171
172config DMA_SUN6I
173	tristate "Allwinner A31 SoCs DMA support"
174	depends on ARCH_SUNXI || COMPILE_TEST
175	depends on RESET_CONTROLLER
176	select DMA_ENGINE
177	select DMA_VIRTUAL_CHANNELS
178	help
179	  Support for the DMA engine first found in Allwinner A31 SoCs.
180
181config DW_AXI_DMAC
182	tristate "Synopsys DesignWare AXI DMA support"
183	depends on OF
184	depends on HAS_IOMEM
185	select DMA_ENGINE
186	select DMA_VIRTUAL_CHANNELS
187	help
188	  Enable support for Synopsys DesignWare AXI DMA controller.
189	  NOTE: This driver wasn't tested on 64 bit platform because
190	  of lack 64 bit platform with Synopsys DW AXI DMAC.
191
192config EP93XX_DMA
193	bool "Cirrus Logic EP93xx DMA support"
194	depends on ARCH_EP93XX || COMPILE_TEST
195	select DMA_ENGINE
196	help
197	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
198
199config FSL_DMA
200	tristate "Freescale Elo series DMA support"
201	depends on FSL_SOC
202	select DMA_ENGINE
203	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
204	help
205	  Enable support for the Freescale Elo series DMA controllers.
206	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
207	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
208	  some Txxx and Bxxx parts.
209
210config FSL_EDMA
211	tristate "Freescale eDMA engine support"
212	depends on OF
213	select DMA_ENGINE
214	select DMA_VIRTUAL_CHANNELS
215	help
216	  Support the Freescale eDMA engine with programmable channel
217	  multiplexing capability for DMA request sources(slot).
218	  This module can be found on Freescale Vybrid and LS-1 SoCs.
219
220config FSL_QDMA
221	tristate "NXP Layerscape qDMA engine support"
222	depends on ARM || ARM64
223	select DMA_ENGINE
224	select DMA_VIRTUAL_CHANNELS
225	select DMA_ENGINE_RAID
226	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
227	help
228	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
229	 Channel virtualization is supported through enqueuing of DMA jobs to,
230	 or dequeuing DMA jobs from, different work queues.
231	 This module can be found on NXP Layerscape SoCs.
232	  The qdma driver only work on  SoCs with a DPAA hardware block.
233
234config FSL_RAID
235	tristate "Freescale RAID engine Support"
236	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
237	select DMA_ENGINE
238	select DMA_ENGINE_RAID
239	help
240	  Enable support for Freescale RAID Engine. RAID Engine is
241	  available on some QorIQ SoCs (like P5020/P5040). It has
242	  the capability to offload memcpy, xor and pq computation
243	  for raid5/6.
244
245config HISI_DMA
246	tristate "HiSilicon DMA Engine support"
247	depends on ARM64 || COMPILE_TEST
248	depends on PCI_MSI
249	select DMA_ENGINE
250	select DMA_VIRTUAL_CHANNELS
251	help
252	  Support HiSilicon Kunpeng DMA engine.
253
254config IMG_MDC_DMA
255	tristate "IMG MDC support"
256	depends on MIPS || COMPILE_TEST
257	depends on MFD_SYSCON
258	select DMA_ENGINE
259	select DMA_VIRTUAL_CHANNELS
260	help
261	  Enable support for the IMG multi-threaded DMA controller (MDC).
262
263config IMX_DMA
264	tristate "i.MX DMA support"
265	depends on ARCH_MXC
266	select DMA_ENGINE
267	help
268	  Support the i.MX DMA engine. This engine is integrated into
269	  Freescale i.MX1/21/27 chips.
270
271config IMX_SDMA
272	tristate "i.MX SDMA support"
273	depends on ARCH_MXC
274	select DMA_ENGINE
275	select DMA_VIRTUAL_CHANNELS
276	help
277	  Support the i.MX SDMA engine. This engine is integrated into
278	  Freescale i.MX25/31/35/51/53/6 chips.
279
280config INTEL_IDMA64
281	tristate "Intel integrated DMA 64-bit support"
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_BUS
289	tristate
290	default INTEL_IDXD
291
292config INTEL_IDXD
293	tristate "Intel Data Accelerators support"
294	depends on PCI && X86_64 && !UML
295	depends on PCI_MSI
296	depends on PCI_PASID
297	depends on SBITMAP
298	select DMA_ENGINE
299	help
300	  Enable support for the Intel(R) data accelerators present
301	  in Intel Xeon CPU.
302
303	  Say Y if you have such a platform.
304
305	  If unsure, say N.
306
307config INTEL_IDXD_COMPAT
308	bool "Legacy behavior for idxd driver"
309	depends on PCI && X86_64
310	select INTEL_IDXD_BUS
311	help
312	  Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
313	  The old behavior performed driver bind/unbind for device and wq
314	  devices all under the dsa driver. The compat driver will emulate
315	  the legacy behavior in order to allow existing support apps (i.e.
316	  accel-config) to continue function. It is expected that accel-config
317	  v3.2 and earlier will need the compat mode. A distro with later
318	  accel-config version can disable this compat config.
319
320	  Say Y if you have old applications that require such behavior.
321
322	  If unsure, say N.
323
324# Config symbol that collects all the dependencies that's necessary to
325# support shared virtual memory for the devices supported by idxd.
326config INTEL_IDXD_SVM
327	bool "Accelerator Shared Virtual Memory Support"
328	depends on INTEL_IDXD
329	depends on INTEL_IOMMU_SVM
330	depends on PCI_PRI
331	depends on PCI_PASID
332	depends on PCI_IOV
333
334config INTEL_IDXD_PERFMON
335	bool "Intel Data Accelerators performance monitor support"
336	depends on INTEL_IDXD
337	help
338	  Enable performance monitor (pmu) support for the Intel(R)
339	  data accelerators present in Intel Xeon CPU.  With this
340	  enabled, perf can be used to monitor the DSA (Intel Data
341	  Streaming Accelerator) events described in the Intel DSA
342	  spec.
343
344	  If unsure, say N.
345
346config INTEL_IOATDMA
347	tristate "Intel I/OAT DMA support"
348	depends on PCI && X86_64 && !UML
349	select DMA_ENGINE
350	select DMA_ENGINE_RAID
351	select DCA
352	help
353	  Enable support for the Intel(R) I/OAT DMA engine present
354	  in recent Intel Xeon chipsets.
355
356	  Say Y here if you have such a chipset.
357
358	  If unsure, say N.
359
360config INTEL_IOP_ADMA
361	tristate "Intel IOP32x ADMA support"
362	depends on ARCH_IOP32X || COMPILE_TEST
363	select DMA_ENGINE
364	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
365	help
366	  Enable support for the Intel(R) IOP Series RAID engines.
367
368config K3_DMA
369	tristate "Hisilicon K3 DMA support"
370	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
371	select DMA_ENGINE
372	select DMA_VIRTUAL_CHANNELS
373	help
374	  Support the DMA engine for Hisilicon K3 platform
375	  devices.
376
377config LPC18XX_DMAMUX
378	bool "NXP LPC18xx/43xx DMA MUX for PL080"
379	depends on ARCH_LPC18XX || COMPILE_TEST
380	depends on OF && AMBA_PL08X
381	select MFD_SYSCON
382	help
383	  Enable support for DMA on NXP LPC18xx/43xx platforms
384	  with PL080 and multiplexed DMA request lines.
385
386config MCF_EDMA
387	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
388	depends on M5441x || COMPILE_TEST
389	select DMA_ENGINE
390	select DMA_VIRTUAL_CHANNELS
391	help
392	  Support the Freescale ColdFire eDMA engine, 64-channel
393	  implementation that performs complex data transfers with
394	  minimal intervention from a host processor.
395	  This module can be found on Freescale ColdFire mcf5441x SoCs.
396
397config MILBEAUT_HDMAC
398	tristate "Milbeaut AHB DMA support"
399	depends on ARCH_MILBEAUT || COMPILE_TEST
400	depends on OF
401	select DMA_ENGINE
402	select DMA_VIRTUAL_CHANNELS
403	help
404	  Say yes here to support the Socionext Milbeaut
405	  HDMAC device.
406
407config MILBEAUT_XDMAC
408	tristate "Milbeaut AXI DMA support"
409	depends on ARCH_MILBEAUT || COMPILE_TEST
410	depends on OF
411	select DMA_ENGINE
412	select DMA_VIRTUAL_CHANNELS
413	help
414	  Say yes here to support the Socionext Milbeaut
415	  XDMAC device.
416
417config MMP_PDMA
418	tristate "MMP PDMA support"
419	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
420	select DMA_ENGINE
421	help
422	  Support the MMP PDMA engine for PXA and MMP platform.
423
424config MMP_TDMA
425	tristate "MMP Two-Channel DMA support"
426	depends on ARCH_MMP || COMPILE_TEST
427	select DMA_ENGINE
428	select GENERIC_ALLOCATOR
429	help
430	  Support the MMP Two-Channel DMA engine.
431	  This engine used for MMP Audio DMA and pxa910 SQU.
432
433config MOXART_DMA
434	tristate "MOXART DMA support"
435	depends on ARCH_MOXART
436	select DMA_ENGINE
437	select DMA_VIRTUAL_CHANNELS
438	help
439	  Enable support for the MOXA ART SoC DMA controller.
440
441	  Say Y here if you enabled MMP ADMA, otherwise say N.
442
443config MPC512X_DMA
444	tristate "Freescale MPC512x built-in DMA engine support"
445	depends on PPC_MPC512x || PPC_MPC831x
446	select DMA_ENGINE
447	help
448	  Enable support for the Freescale MPC512x built-in DMA engine.
449
450config MV_XOR
451	bool "Marvell XOR engine support"
452	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
453	select DMA_ENGINE
454	select DMA_ENGINE_RAID
455	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
456	help
457	  Enable support for the Marvell XOR engine.
458
459config MV_XOR_V2
460	bool "Marvell XOR engine version 2 support "
461	depends on ARM64
462	select DMA_ENGINE
463	select DMA_ENGINE_RAID
464	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
465	select GENERIC_MSI_IRQ_DOMAIN
466	help
467	  Enable support for the Marvell version 2 XOR engine.
468
469	  This engine provides acceleration for copy, XOR and RAID6
470	  operations, and is available on Marvell Armada 7K and 8K
471	  platforms.
472
473config MXS_DMA
474	bool "MXS DMA support"
475	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
476	select STMP_DEVICE
477	select DMA_ENGINE
478	help
479	  Support the MXS DMA engine. This engine including APBH-DMA
480	  and APBX-DMA is integrated into some Freescale chips.
481
482config MX3_IPU
483	bool "MX3x Image Processing Unit support"
484	depends on ARCH_MXC
485	select DMA_ENGINE
486	default y
487	help
488	  If you plan to use the Image Processing unit in the i.MX3x, say
489	  Y here. If unsure, select Y.
490
491config MX3_IPU_IRQS
492	int "Number of dynamically mapped interrupts for IPU"
493	depends on MX3_IPU
494	range 2 137
495	default 4
496	help
497	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
498	  To avoid bloating the irq_desc[] array we allocate a sufficient
499	  number of IRQ slots and map them dynamically to specific sources.
500
501config NBPFAXI_DMA
502	tristate "Renesas Type-AXI NBPF DMA support"
503	select DMA_ENGINE
504	depends on ARM || COMPILE_TEST
505	help
506	  Support for "Type-AXI" NBPF DMA IPs from Renesas
507
508config OWL_DMA
509	tristate "Actions Semi Owl SoCs DMA support"
510	depends on ARCH_ACTIONS
511	select DMA_ENGINE
512	select DMA_VIRTUAL_CHANNELS
513	help
514	  Enable support for the Actions Semi Owl SoCs DMA controller.
515
516config PCH_DMA
517	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
518	depends on PCI && (X86_32 || COMPILE_TEST)
519	select DMA_ENGINE
520	help
521	  Enable support for Intel EG20T PCH DMA engine.
522
523	  This driver also can be used for LAPIS Semiconductor IOH(Input/
524	  Output Hub), ML7213, ML7223 and ML7831.
525	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
526	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
527	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
528	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
529
530config PL330_DMA
531	tristate "DMA API Driver for PL330"
532	select DMA_ENGINE
533	depends on ARM_AMBA
534	help
535	  Select if your platform has one or more PL330 DMACs.
536	  You need to provide platform specific settings via
537	  platform_data for a dma-pl330 device.
538
539config PXA_DMA
540	bool "PXA DMA support"
541	depends on (ARCH_MMP || ARCH_PXA)
542	select DMA_ENGINE
543	select DMA_VIRTUAL_CHANNELS
544	help
545	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
546	  platform. The internal DMA IP of all PXA variants is supported, with
547	  16 to 32 channels for peripheral to memory or memory to memory
548	  transfers.
549
550config PLX_DMA
551	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
552	depends on PCI
553	select DMA_ENGINE
554	help
555	  Some PLX ExpressLane PCI Switches support additional DMA engines.
556	  These are exposed via extra functions on the switch's
557	  upstream port. Each function exposes one DMA channel.
558
559config STE_DMA40
560	bool "ST-Ericsson DMA40 support"
561	depends on ARCH_U8500
562	select DMA_ENGINE
563	help
564	  Support for ST-Ericsson DMA40 controller
565
566config ST_FDMA
567	tristate "ST FDMA dmaengine support"
568	depends on ARCH_STI
569	depends on REMOTEPROC
570	select ST_SLIM_REMOTEPROC
571	select DMA_ENGINE
572	select DMA_VIRTUAL_CHANNELS
573	help
574	  Enable support for ST FDMA controller.
575	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
576
577	  Say Y here if you have such a chipset.
578	  If unsure, say N.
579
580config STM32_DMA
581	bool "STMicroelectronics STM32 DMA support"
582	depends on ARCH_STM32 || COMPILE_TEST
583	select DMA_ENGINE
584	select DMA_VIRTUAL_CHANNELS
585	help
586	  Enable support for the on-chip DMA controller on STMicroelectronics
587	  STM32 MCUs.
588	  If you have a board based on such a MCU and wish to use DMA say Y
589	  here.
590
591config STM32_DMAMUX
592	bool "STMicroelectronics STM32 dma multiplexer support"
593	depends on STM32_DMA || COMPILE_TEST
594	help
595	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
596	  STM32 MCUs.
597	  If you have a board based on such a MCU and wish to use DMAMUX say Y
598	  here.
599
600config STM32_MDMA
601	bool "STMicroelectronics STM32 master dma support"
602	depends on ARCH_STM32 || COMPILE_TEST
603	depends on OF
604	select DMA_ENGINE
605	select DMA_VIRTUAL_CHANNELS
606	help
607	  Enable support for the on-chip MDMA controller on STMicroelectronics
608	  STM32 platforms.
609	  If you have a board based on STM32 SoC and wish to use the master DMA
610	  say Y here.
611
612config SPRD_DMA
613	tristate "Spreadtrum DMA support"
614	depends on ARCH_SPRD || COMPILE_TEST
615	select DMA_ENGINE
616	select DMA_VIRTUAL_CHANNELS
617	help
618	  Enable support for the on-chip DMA controller on Spreadtrum platform.
619
620config S3C24XX_DMAC
621	bool "Samsung S3C24XX DMA support"
622	depends on ARCH_S3C24XX || COMPILE_TEST
623	select DMA_ENGINE
624	select DMA_VIRTUAL_CHANNELS
625	help
626	  Support for the Samsung S3C24XX DMA controller driver. The
627	  DMA controller is having multiple DMA channels which can be
628	  configured for different peripherals like audio, UART, SPI.
629	  The DMA controller can transfer data from memory to peripheral,
630	  periphal to memory, periphal to periphal and memory to memory.
631
632config TXX9_DMAC
633	tristate "Toshiba TXx9 SoC DMA support"
634	depends on MACH_TX49XX
635	select DMA_ENGINE
636	help
637	  Support the TXx9 SoC internal DMA controller.  This can be
638	  integrated in chips such as the Toshiba TX4927/38/39.
639
640config TEGRA186_GPC_DMA
641	tristate "NVIDIA Tegra GPC DMA support"
642	depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT
643	depends on IOMMU_API
644	select DMA_ENGINE
645	help
646	  Support for the NVIDIA Tegra General Purpose Central DMA controller.
647	  The DMA controller has multiple DMA channels which can be configured
648	  for different peripherals like UART, SPI, etc which are on APB bus.
649	  This DMA controller transfers data from memory to peripheral FIFO
650	  or vice versa. It also supports memory to memory data transfer.
651
652config TEGRA20_APB_DMA
653	tristate "NVIDIA Tegra20 APB DMA support"
654	depends on ARCH_TEGRA || COMPILE_TEST
655	select DMA_ENGINE
656	help
657	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
658	  DMA controller is having multiple DMA channel which can be
659	  configured for different peripherals like audio, UART, SPI,
660	  I2C etc which is in APB bus.
661	  This DMA controller transfers data from memory to peripheral fifo
662	  or vice versa. It does not support memory to memory data transfer.
663
664config TEGRA210_ADMA
665	tristate "NVIDIA Tegra210 ADMA support"
666	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
667	select DMA_ENGINE
668	select DMA_VIRTUAL_CHANNELS
669	help
670	  Support for the NVIDIA Tegra210 ADMA controller driver. The
671	  DMA controller has multiple DMA channels and is used to service
672	  various audio clients in the Tegra210 audio processing engine
673	  (APE). This DMA controller transfers data from memory to
674	  peripheral and vice versa. It does not support memory to
675	  memory data transfer.
676
677config TIMB_DMA
678	tristate "Timberdale FPGA DMA support"
679	depends on MFD_TIMBERDALE || COMPILE_TEST
680	select DMA_ENGINE
681	help
682	  Enable support for the Timberdale FPGA DMA engine.
683
684config UNIPHIER_MDMAC
685	tristate "UniPhier MIO DMAC"
686	depends on ARCH_UNIPHIER || COMPILE_TEST
687	depends on OF
688	select DMA_ENGINE
689	select DMA_VIRTUAL_CHANNELS
690	help
691	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
692	  UniPhier platform.  This DMA controller is used as the external
693	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
694
695config UNIPHIER_XDMAC
696	tristate "UniPhier XDMAC support"
697	depends on ARCH_UNIPHIER || COMPILE_TEST
698	depends on OF
699	select DMA_ENGINE
700	select DMA_VIRTUAL_CHANNELS
701	help
702	  Enable support for the XDMAC (external DMA controller) on the
703	  UniPhier platform. This DMA controller can transfer data from
704	  memory to memory, memory to peripheral and peripheral to memory.
705
706config XGENE_DMA
707	tristate "APM X-Gene DMA support"
708	depends on ARCH_XGENE || COMPILE_TEST
709	select DMA_ENGINE
710	select DMA_ENGINE_RAID
711	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
712	help
713	  Enable support for the APM X-Gene SoC DMA engine.
714
715config XILINX_DMA
716	tristate "Xilinx AXI DMAS Engine"
717	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
718	select DMA_ENGINE
719	help
720	  Enable support for Xilinx AXI VDMA Soft IP.
721
722	  AXI VDMA engine provides high-bandwidth direct memory access
723	  between memory and AXI4-Stream video type target
724	  peripherals including peripherals which support AXI4-
725	  Stream Video Protocol.  It has two stream interfaces/
726	  channels, Memory Mapped to Stream (MM2S) and Stream to
727	  Memory Mapped (S2MM) for the data transfers.
728	  AXI CDMA engine provides high-bandwidth direct memory access
729	  between a memory-mapped source address and a memory-mapped
730	  destination address.
731	  AXI DMA engine provides high-bandwidth one dimensional direct
732	  memory access between memory and AXI4-Stream target peripherals.
733	  AXI MCDMA engine provides high-bandwidth direct memory access
734	  between memory and AXI4-Stream target peripherals. It provides
735	  the scatter gather interface with multiple channels independent
736	  configuration support.
737
738config XILINX_ZYNQMP_DMA
739	tristate "Xilinx ZynqMP DMA Engine"
740	depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST
741	select DMA_ENGINE
742	help
743	  Enable support for Xilinx ZynqMP DMA controller.
744
745config XILINX_ZYNQMP_DPDMA
746	tristate "Xilinx DPDMA Engine"
747	depends on HAS_IOMEM && OF
748	select DMA_ENGINE
749	select DMA_VIRTUAL_CHANNELS
750	help
751	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
752	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
753	  driver provides the dmaengine required by the DisplayPort subsystem
754	  display driver.
755
756# driver files
757source "drivers/dma/bestcomm/Kconfig"
758
759source "drivers/dma/mediatek/Kconfig"
760
761source "drivers/dma/ptdma/Kconfig"
762
763source "drivers/dma/qcom/Kconfig"
764
765source "drivers/dma/dw/Kconfig"
766
767source "drivers/dma/dw-edma/Kconfig"
768
769source "drivers/dma/hsu/Kconfig"
770
771source "drivers/dma/sf-pdma/Kconfig"
772
773source "drivers/dma/sh/Kconfig"
774
775source "drivers/dma/ti/Kconfig"
776
777source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
778
779source "drivers/dma/lgm/Kconfig"
780
781# clients
782comment "DMA Clients"
783	depends on DMA_ENGINE
784
785config ASYNC_TX_DMA
786	bool "Async_tx: Offload support for the async_tx api"
787	depends on DMA_ENGINE
788	help
789	  This allows the async_tx api to take advantage of offload engines for
790	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
791	  a dma engine that can perform raid operations and you have enabled
792	  MD_RAID456 say Y.
793
794	  If unsure, say N.
795
796config DMATEST
797	tristate "DMA Test client"
798	depends on DMA_ENGINE
799	select DMA_ENGINE_RAID
800	help
801	  Simple DMA test client. Say N unless you're debugging a
802	  DMA Device driver.
803
804config DMA_ENGINE_RAID
805	bool
806
807endif
808