xref: /openbmc/linux/drivers/dma/Kconfig (revision 0526b56c)
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	select DMA_VIRTUAL_CHANNELS
101	help
102	  Support the Atmel AHB DMA controller.
103
104config AT_XDMAC
105	tristate "Atmel XDMA support"
106	depends on ARCH_AT91
107	select DMA_ENGINE
108	help
109	  Support the Atmel XDMA controller.
110
111config AXI_DMAC
112	tristate "Analog Devices AXI-DMAC DMA support"
113	depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
114	select DMA_ENGINE
115	select DMA_VIRTUAL_CHANNELS
116	select REGMAP_MMIO
117	help
118	  Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
119	  controller is often used in Analog Devices' reference designs for FPGA
120	  platforms.
121
122config BCM_SBA_RAID
123	tristate "Broadcom SBA RAID engine support"
124	depends on ARM64 || COMPILE_TEST
125	depends on MAILBOX && RAID6_PQ
126	select DMA_ENGINE
127	select DMA_ENGINE_RAID
128	select ASYNC_TX_DISABLE_XOR_VAL_DMA
129	select ASYNC_TX_DISABLE_PQ_VAL_DMA
130	default m if ARCH_BCM_IPROC
131	help
132	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
133	  engine is available on most of the Broadcom iProc SoCs. It
134	  has the capability to offload memcpy, xor and pq computation
135	  for raid5/6.
136
137config DMA_BCM2835
138	tristate "BCM2835 DMA engine support"
139	depends on ARCH_BCM2835
140	select DMA_ENGINE
141	select DMA_VIRTUAL_CHANNELS
142
143config DMA_JZ4780
144	tristate "JZ4780 DMA support"
145	depends on MIPS || COMPILE_TEST
146	select DMA_ENGINE
147	select DMA_VIRTUAL_CHANNELS
148	help
149	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
150	  If you have a board based on such a SoC and wish to use DMA for
151	  devices which can use the DMA controller, say Y or M here.
152
153config DMA_SA11X0
154	tristate "SA-11x0 DMA support"
155	depends on ARCH_SA1100 || COMPILE_TEST
156	select DMA_ENGINE
157	select DMA_VIRTUAL_CHANNELS
158	help
159	  Support the DMA engine found on Intel StrongARM SA-1100 and
160	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
161	  devices.
162
163config DMA_SUN4I
164	tristate "Allwinner A10 DMA SoCs support"
165	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
166	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
167	select DMA_ENGINE
168	select DMA_VIRTUAL_CHANNELS
169	help
170	  Enable support for the DMA controller present in the sun4i,
171	  sun5i and sun7i Allwinner ARM SoCs.
172
173config DMA_SUN6I
174	tristate "Allwinner A31 SoCs DMA support"
175	depends on ARCH_SUNXI || COMPILE_TEST
176	depends on RESET_CONTROLLER
177	select DMA_ENGINE
178	select DMA_VIRTUAL_CHANNELS
179	help
180	  Support for the DMA engine first found in Allwinner A31 SoCs.
181
182config DW_AXI_DMAC
183	tristate "Synopsys DesignWare AXI DMA support"
184	depends on OF
185	depends on HAS_IOMEM
186	select DMA_ENGINE
187	select DMA_VIRTUAL_CHANNELS
188	help
189	  Enable support for Synopsys DesignWare AXI DMA controller.
190	  NOTE: This driver wasn't tested on 64 bit platform because
191	  of lack 64 bit platform with Synopsys DW AXI DMAC.
192
193config EP93XX_DMA
194	bool "Cirrus Logic EP93xx DMA support"
195	depends on ARCH_EP93XX || COMPILE_TEST
196	select DMA_ENGINE
197	help
198	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
199
200config FSL_DMA
201	tristate "Freescale Elo series DMA support"
202	depends on FSL_SOC
203	select DMA_ENGINE
204	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
205	help
206	  Enable support for the Freescale Elo series DMA controllers.
207	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
208	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
209	  some Txxx and Bxxx parts.
210
211config FSL_EDMA
212	tristate "Freescale eDMA engine support"
213	depends on OF
214	select DMA_ENGINE
215	select DMA_VIRTUAL_CHANNELS
216	help
217	  Support the Freescale eDMA engine with programmable channel
218	  multiplexing capability for DMA request sources(slot).
219	  This module can be found on Freescale Vybrid and LS-1 SoCs.
220
221config FSL_QDMA
222	tristate "NXP Layerscape qDMA engine support"
223	depends on ARM || ARM64
224	select DMA_ENGINE
225	select DMA_VIRTUAL_CHANNELS
226	select DMA_ENGINE_RAID
227	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
228	help
229	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
230	 Channel virtualization is supported through enqueuing of DMA jobs to,
231	 or dequeuing DMA jobs from, different work queues.
232	 This module can be found on NXP Layerscape SoCs.
233	  The qdma driver only work on  SoCs with a DPAA hardware block.
234
235config FSL_RAID
236	tristate "Freescale RAID engine Support"
237	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
238	select DMA_ENGINE
239	select DMA_ENGINE_RAID
240	help
241	  Enable support for Freescale RAID Engine. RAID Engine is
242	  available on some QorIQ SoCs (like P5020/P5040). It has
243	  the capability to offload memcpy, xor and pq computation
244	  for raid5/6.
245
246config HISI_DMA
247	tristate "HiSilicon DMA Engine support"
248	depends on ARCH_HISI || COMPILE_TEST
249	depends on PCI_MSI
250	select DMA_ENGINE
251	select DMA_VIRTUAL_CHANNELS
252	help
253	  Support HiSilicon Kunpeng DMA engine.
254
255config IMG_MDC_DMA
256	tristate "IMG MDC support"
257	depends on MIPS || COMPILE_TEST
258	depends on MFD_SYSCON
259	select DMA_ENGINE
260	select DMA_VIRTUAL_CHANNELS
261	help
262	  Enable support for the IMG multi-threaded DMA controller (MDC).
263
264config IMX_DMA
265	tristate "i.MX DMA support"
266	depends on ARCH_MXC
267	select DMA_ENGINE
268	help
269	  Support the i.MX DMA engine. This engine is integrated into
270	  Freescale i.MX1/21/27 chips.
271
272config IMX_SDMA
273	tristate "i.MX SDMA support"
274	depends on ARCH_MXC
275	select DMA_ENGINE
276	select DMA_VIRTUAL_CHANNELS
277	help
278	  Support the i.MX SDMA engine. This engine is integrated into
279	  Freescale i.MX25/31/35/51/53/6 chips.
280
281config INTEL_IDMA64
282	tristate "Intel integrated DMA 64-bit support"
283	select DMA_ENGINE
284	select DMA_VIRTUAL_CHANNELS
285	help
286	  Enable DMA support for Intel Low Power Subsystem such as found on
287	  Intel Skylake PCH.
288
289config INTEL_IDXD_BUS
290	tristate
291	default INTEL_IDXD
292
293config INTEL_IDXD
294	tristate "Intel Data Accelerators support"
295	depends on PCI && X86_64 && !UML
296	depends on PCI_MSI
297	depends on PCI_PASID
298	depends on SBITMAP
299	select DMA_ENGINE
300	help
301	  Enable support for the Intel(R) data accelerators present
302	  in Intel Xeon CPU.
303
304	  Say Y if you have such a platform.
305
306	  If unsure, say N.
307
308config INTEL_IDXD_COMPAT
309	bool "Legacy behavior for idxd driver"
310	depends on PCI && X86_64
311	select INTEL_IDXD_BUS
312	help
313	  Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
314	  The old behavior performed driver bind/unbind for device and wq
315	  devices all under the dsa driver. The compat driver will emulate
316	  the legacy behavior in order to allow existing support apps (i.e.
317	  accel-config) to continue function. It is expected that accel-config
318	  v3.2 and earlier will need the compat mode. A distro with later
319	  accel-config version can disable this compat config.
320
321	  Say Y if you have old applications that require such behavior.
322
323	  If unsure, say N.
324
325# Config symbol that collects all the dependencies that's necessary to
326# support shared virtual memory for the devices supported by idxd.
327config INTEL_IDXD_SVM
328	bool "Accelerator Shared Virtual Memory Support"
329	depends on INTEL_IDXD
330	depends on INTEL_IOMMU_SVM
331	depends on PCI_PRI
332	depends on PCI_PASID
333	depends on PCI_IOV
334
335config INTEL_IDXD_PERFMON
336	bool "Intel Data Accelerators performance monitor support"
337	depends on INTEL_IDXD
338	help
339	  Enable performance monitor (pmu) support for the Intel(R)
340	  data accelerators present in Intel Xeon CPU.  With this
341	  enabled, perf can be used to monitor the DSA (Intel Data
342	  Streaming Accelerator) events described in the Intel DSA
343	  spec.
344
345	  If unsure, say N.
346
347config INTEL_IOATDMA
348	tristate "Intel I/OAT DMA support"
349	depends on PCI && X86_64 && !UML
350	select DMA_ENGINE
351	select DMA_ENGINE_RAID
352	select DCA
353	help
354	  Enable support for the Intel(R) I/OAT DMA engine present
355	  in recent Intel Xeon chipsets.
356
357	  Say Y here if you have such a chipset.
358
359	  If unsure, say N.
360
361config K3_DMA
362	tristate "Hisilicon K3 DMA support"
363	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
364	select DMA_ENGINE
365	select DMA_VIRTUAL_CHANNELS
366	help
367	  Support the DMA engine for Hisilicon K3 platform
368	  devices.
369
370config LPC18XX_DMAMUX
371	bool "NXP LPC18xx/43xx DMA MUX for PL080"
372	depends on ARCH_LPC18XX || COMPILE_TEST
373	depends on OF && AMBA_PL08X
374	select MFD_SYSCON
375	help
376	  Enable support for DMA on NXP LPC18xx/43xx platforms
377	  with PL080 and multiplexed DMA request lines.
378
379config MCF_EDMA
380	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
381	depends on M5441x || COMPILE_TEST
382	select DMA_ENGINE
383	select DMA_VIRTUAL_CHANNELS
384	help
385	  Support the Freescale ColdFire eDMA engine, 64-channel
386	  implementation that performs complex data transfers with
387	  minimal intervention from a host processor.
388	  This module can be found on Freescale ColdFire mcf5441x SoCs.
389
390config MILBEAUT_HDMAC
391	tristate "Milbeaut AHB DMA support"
392	depends on ARCH_MILBEAUT || COMPILE_TEST
393	depends on OF
394	select DMA_ENGINE
395	select DMA_VIRTUAL_CHANNELS
396	help
397	  Say yes here to support the Socionext Milbeaut
398	  HDMAC device.
399
400config MILBEAUT_XDMAC
401	tristate "Milbeaut AXI DMA support"
402	depends on ARCH_MILBEAUT || COMPILE_TEST
403	depends on OF
404	select DMA_ENGINE
405	select DMA_VIRTUAL_CHANNELS
406	help
407	  Say yes here to support the Socionext Milbeaut
408	  XDMAC device.
409
410config MMP_PDMA
411	tristate "MMP PDMA support"
412	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
413	select DMA_ENGINE
414	help
415	  Support the MMP PDMA engine for PXA and MMP platform.
416
417config MMP_TDMA
418	tristate "MMP Two-Channel DMA support"
419	depends on ARCH_MMP || COMPILE_TEST
420	select DMA_ENGINE
421	select GENERIC_ALLOCATOR
422	help
423	  Support the MMP Two-Channel DMA engine.
424	  This engine used for MMP Audio DMA and pxa910 SQU.
425
426config MOXART_DMA
427	tristate "MOXART DMA support"
428	depends on ARCH_MOXART
429	select DMA_ENGINE
430	select DMA_VIRTUAL_CHANNELS
431	help
432	  Enable support for the MOXA ART SoC DMA controller.
433
434	  Say Y here if you enabled MMP ADMA, otherwise say N.
435
436config MPC512X_DMA
437	tristate "Freescale MPC512x built-in DMA engine support"
438	depends on PPC_MPC512x || PPC_MPC831x
439	select DMA_ENGINE
440	help
441	  Enable support for the Freescale MPC512x built-in DMA engine.
442
443config MV_XOR
444	bool "Marvell XOR engine support"
445	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
446	select DMA_ENGINE
447	select DMA_ENGINE_RAID
448	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
449	help
450	  Enable support for the Marvell XOR engine.
451
452config MV_XOR_V2
453	bool "Marvell XOR engine version 2 support "
454	depends on ARM64
455	select DMA_ENGINE
456	select DMA_ENGINE_RAID
457	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
458	select GENERIC_MSI_IRQ
459	help
460	  Enable support for the Marvell version 2 XOR engine.
461
462	  This engine provides acceleration for copy, XOR and RAID6
463	  operations, and is available on Marvell Armada 7K and 8K
464	  platforms.
465
466config MXS_DMA
467	bool "MXS DMA support"
468	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
469	select STMP_DEVICE
470	select DMA_ENGINE
471	help
472	  Support the MXS DMA engine. This engine including APBH-DMA
473	  and APBX-DMA is integrated into some Freescale chips.
474
475config MX3_IPU
476	bool "MX3x Image Processing Unit support"
477	depends on ARCH_MXC
478	select DMA_ENGINE
479	default y
480	help
481	  If you plan to use the Image Processing unit in the i.MX3x, say
482	  Y here. If unsure, select Y.
483
484config MX3_IPU_IRQS
485	int "Number of dynamically mapped interrupts for IPU"
486	depends on MX3_IPU
487	range 2 137
488	default 4
489	help
490	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
491	  To avoid bloating the irq_desc[] array we allocate a sufficient
492	  number of IRQ slots and map them dynamically to specific sources.
493
494config NBPFAXI_DMA
495	tristate "Renesas Type-AXI NBPF DMA support"
496	select DMA_ENGINE
497	depends on ARM || COMPILE_TEST
498	help
499	  Support for "Type-AXI" NBPF DMA IPs from Renesas
500
501config OWL_DMA
502	tristate "Actions Semi Owl SoCs DMA support"
503	depends on ARCH_ACTIONS
504	select DMA_ENGINE
505	select DMA_VIRTUAL_CHANNELS
506	help
507	  Enable support for the Actions Semi Owl SoCs DMA controller.
508
509config PCH_DMA
510	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
511	depends on PCI && (X86_32 || COMPILE_TEST)
512	select DMA_ENGINE
513	help
514	  Enable support for Intel EG20T PCH DMA engine.
515
516	  This driver also can be used for LAPIS Semiconductor IOH(Input/
517	  Output Hub), ML7213, ML7223 and ML7831.
518	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
519	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
520	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
521	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
522
523config PL330_DMA
524	tristate "DMA API Driver for PL330"
525	select DMA_ENGINE
526	depends on ARM_AMBA
527	help
528	  Select if your platform has one or more PL330 DMACs.
529	  You need to provide platform specific settings via
530	  platform_data for a dma-pl330 device.
531
532config PXA_DMA
533	bool "PXA DMA support"
534	depends on (ARCH_MMP || ARCH_PXA)
535	select DMA_ENGINE
536	select DMA_VIRTUAL_CHANNELS
537	help
538	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
539	  platform. The internal DMA IP of all PXA variants is supported, with
540	  16 to 32 channels for peripheral to memory or memory to memory
541	  transfers.
542
543config PLX_DMA
544	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
545	depends on PCI
546	select DMA_ENGINE
547	help
548	  Some PLX ExpressLane PCI Switches support additional DMA engines.
549	  These are exposed via extra functions on the switch's
550	  upstream port. Each function exposes one DMA channel.
551
552config STE_DMA40
553	bool "ST-Ericsson DMA40 support"
554	depends on ARCH_U8500
555	select DMA_ENGINE
556	help
557	  Support for ST-Ericsson DMA40 controller
558
559config ST_FDMA
560	tristate "ST FDMA dmaengine support"
561	depends on ARCH_STI
562	depends on REMOTEPROC
563	select ST_SLIM_REMOTEPROC
564	select DMA_ENGINE
565	select DMA_VIRTUAL_CHANNELS
566	help
567	  Enable support for ST FDMA controller.
568	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
569
570	  Say Y here if you have such a chipset.
571	  If unsure, say N.
572
573config STM32_DMA
574	bool "STMicroelectronics STM32 DMA support"
575	depends on ARCH_STM32 || COMPILE_TEST
576	select DMA_ENGINE
577	select DMA_VIRTUAL_CHANNELS
578	help
579	  Enable support for the on-chip DMA controller on STMicroelectronics
580	  STM32 MCUs.
581	  If you have a board based on such a MCU and wish to use DMA say Y
582	  here.
583
584config STM32_DMAMUX
585	bool "STMicroelectronics STM32 dma multiplexer support"
586	depends on STM32_DMA || COMPILE_TEST
587	help
588	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
589	  STM32 MCUs.
590	  If you have a board based on such a MCU and wish to use DMAMUX say Y
591	  here.
592
593config STM32_MDMA
594	bool "STMicroelectronics STM32 master dma support"
595	depends on ARCH_STM32 || COMPILE_TEST
596	depends on OF
597	select DMA_ENGINE
598	select DMA_VIRTUAL_CHANNELS
599	help
600	  Enable support for the on-chip MDMA controller on STMicroelectronics
601	  STM32 platforms.
602	  If you have a board based on STM32 SoC and wish to use the master DMA
603	  say Y here.
604
605config SPRD_DMA
606	tristate "Spreadtrum DMA support"
607	depends on ARCH_SPRD || COMPILE_TEST
608	select DMA_ENGINE
609	select DMA_VIRTUAL_CHANNELS
610	help
611	  Enable support for the on-chip DMA controller on Spreadtrum platform.
612
613config TXX9_DMAC
614	tristate "Toshiba TXx9 SoC DMA support"
615	depends on MACH_TX49XX
616	select DMA_ENGINE
617	help
618	  Support the TXx9 SoC internal DMA controller.  This can be
619	  integrated in chips such as the Toshiba TX4927/38/39.
620
621config TEGRA186_GPC_DMA
622	tristate "NVIDIA Tegra GPC DMA support"
623	depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT
624	depends on IOMMU_API
625	select DMA_ENGINE
626	select DMA_VIRTUAL_CHANNELS
627	help
628	  Support for the NVIDIA Tegra General Purpose Central DMA controller.
629	  The DMA controller has multiple DMA channels which can be configured
630	  for different peripherals like UART, SPI, etc which are on APB bus.
631	  This DMA controller transfers data from memory to peripheral FIFO
632	  or vice versa. It also supports memory to memory data transfer.
633
634config TEGRA20_APB_DMA
635	tristate "NVIDIA Tegra20 APB DMA support"
636	depends on ARCH_TEGRA || COMPILE_TEST
637	select DMA_ENGINE
638	help
639	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
640	  DMA controller is having multiple DMA channel which can be
641	  configured for different peripherals like audio, UART, SPI,
642	  I2C etc which is in APB bus.
643	  This DMA controller transfers data from memory to peripheral fifo
644	  or vice versa. It does not support memory to memory data transfer.
645
646config TEGRA210_ADMA
647	tristate "NVIDIA Tegra210 ADMA support"
648	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
649	select DMA_ENGINE
650	select DMA_VIRTUAL_CHANNELS
651	help
652	  Support for the NVIDIA Tegra210 ADMA controller driver. The
653	  DMA controller has multiple DMA channels and is used to service
654	  various audio clients in the Tegra210 audio processing engine
655	  (APE). This DMA controller transfers data from memory to
656	  peripheral and vice versa. It does not support memory to
657	  memory data transfer.
658
659config TIMB_DMA
660	tristate "Timberdale FPGA DMA support"
661	depends on MFD_TIMBERDALE || COMPILE_TEST
662	select DMA_ENGINE
663	help
664	  Enable support for the Timberdale FPGA DMA engine.
665
666config UNIPHIER_MDMAC
667	tristate "UniPhier MIO DMAC"
668	depends on ARCH_UNIPHIER || COMPILE_TEST
669	depends on OF
670	select DMA_ENGINE
671	select DMA_VIRTUAL_CHANNELS
672	help
673	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
674	  UniPhier platform.  This DMA controller is used as the external
675	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
676
677config UNIPHIER_XDMAC
678	tristate "UniPhier XDMAC support"
679	depends on ARCH_UNIPHIER || COMPILE_TEST
680	depends on OF
681	select DMA_ENGINE
682	select DMA_VIRTUAL_CHANNELS
683	help
684	  Enable support for the XDMAC (external DMA controller) on the
685	  UniPhier platform. This DMA controller can transfer data from
686	  memory to memory, memory to peripheral and peripheral to memory.
687
688config XGENE_DMA
689	tristate "APM X-Gene DMA support"
690	depends on ARCH_XGENE || COMPILE_TEST
691	select DMA_ENGINE
692	select DMA_ENGINE_RAID
693	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
694	help
695	  Enable support for the APM X-Gene SoC DMA engine.
696
697config XILINX_DMA
698	tristate "Xilinx AXI DMAS Engine"
699	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
700	select DMA_ENGINE
701	help
702	  Enable support for Xilinx AXI VDMA Soft IP.
703
704	  AXI VDMA engine provides high-bandwidth direct memory access
705	  between memory and AXI4-Stream video type target
706	  peripherals including peripherals which support AXI4-
707	  Stream Video Protocol.  It has two stream interfaces/
708	  channels, Memory Mapped to Stream (MM2S) and Stream to
709	  Memory Mapped (S2MM) for the data transfers.
710	  AXI CDMA engine provides high-bandwidth direct memory access
711	  between a memory-mapped source address and a memory-mapped
712	  destination address.
713	  AXI DMA engine provides high-bandwidth one dimensional direct
714	  memory access between memory and AXI4-Stream target peripherals.
715	  AXI MCDMA engine provides high-bandwidth direct memory access
716	  between memory and AXI4-Stream target peripherals. It provides
717	  the scatter gather interface with multiple channels independent
718	  configuration support.
719
720config XILINX_XDMA
721	tristate "Xilinx DMA/Bridge Subsystem DMA Engine"
722	depends on HAS_IOMEM
723	select DMA_ENGINE
724	select DMA_VIRTUAL_CHANNELS
725	select REGMAP_MMIO
726	help
727	  Enable support for Xilinx DMA/Bridge Subsystem DMA engine. The DMA
728	  provides high performance block data movement between Host memory
729	  and the DMA subsystem. These direct memory transfers can be both in
730	  the Host to Card (H2C) and Card to Host (C2H) transfers.
731	  The core also provides up to 16 user interrupt wires that generate
732	  interrupts to the host.
733
734config XILINX_ZYNQMP_DMA
735	tristate "Xilinx ZynqMP DMA Engine"
736	depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST
737	select DMA_ENGINE
738	help
739	  Enable support for Xilinx ZynqMP DMA controller.
740
741config XILINX_ZYNQMP_DPDMA
742	tristate "Xilinx DPDMA Engine"
743	depends on HAS_IOMEM && OF
744	select DMA_ENGINE
745	select DMA_VIRTUAL_CHANNELS
746	help
747	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
748	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
749	  driver provides the dmaengine required by the DisplayPort subsystem
750	  display driver.
751
752# driver files
753source "drivers/dma/bestcomm/Kconfig"
754
755source "drivers/dma/mediatek/Kconfig"
756
757source "drivers/dma/ptdma/Kconfig"
758
759source "drivers/dma/qcom/Kconfig"
760
761source "drivers/dma/dw/Kconfig"
762
763source "drivers/dma/dw-edma/Kconfig"
764
765source "drivers/dma/hsu/Kconfig"
766
767source "drivers/dma/sf-pdma/Kconfig"
768
769source "drivers/dma/sh/Kconfig"
770
771source "drivers/dma/ti/Kconfig"
772
773source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
774
775source "drivers/dma/lgm/Kconfig"
776
777# clients
778comment "DMA Clients"
779	depends on DMA_ENGINE
780
781config ASYNC_TX_DMA
782	bool "Async_tx: Offload support for the async_tx api"
783	depends on DMA_ENGINE
784	help
785	  This allows the async_tx api to take advantage of offload engines for
786	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
787	  a dma engine that can perform raid operations and you have enabled
788	  MD_RAID456 say Y.
789
790	  If unsure, say N.
791
792config DMATEST
793	tristate "DMA Test client"
794	depends on DMA_ENGINE
795	select DMA_ENGINE_RAID
796	help
797	  Simple DMA test client. Say N unless you're debugging a
798	  DMA Device driver.
799
800config DMA_ENGINE_RAID
801	bool
802
803endif
804