xref: /openbmc/linux/drivers/dma/Kconfig (revision 6f4eaea2)
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 DMA_BCM2835
128	tristate "BCM2835 DMA engine support"
129	depends on ARCH_BCM2835
130	select DMA_ENGINE
131	select DMA_VIRTUAL_CHANNELS
132
133config DMA_JZ4780
134	tristate "JZ4780 DMA support"
135	depends on MIPS || COMPILE_TEST
136	select DMA_ENGINE
137	select DMA_VIRTUAL_CHANNELS
138	help
139	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
140	  If you have a board based on such a SoC and wish to use DMA for
141	  devices which can use the DMA controller, say Y or M here.
142
143config DMA_SA11X0
144	tristate "SA-11x0 DMA support"
145	depends on ARCH_SA1100 || COMPILE_TEST
146	select DMA_ENGINE
147	select DMA_VIRTUAL_CHANNELS
148	help
149	  Support the DMA engine found on Intel StrongARM SA-1100 and
150	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
151	  devices.
152
153config DMA_SUN4I
154	tristate "Allwinner A10 DMA SoCs support"
155	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
156	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
157	select DMA_ENGINE
158	select DMA_VIRTUAL_CHANNELS
159	help
160	  Enable support for the DMA controller present in the sun4i,
161	  sun5i and sun7i Allwinner ARM SoCs.
162
163config DMA_SUN6I
164	tristate "Allwinner A31 SoCs DMA support"
165	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
166	depends on RESET_CONTROLLER
167	select DMA_ENGINE
168	select DMA_VIRTUAL_CHANNELS
169	help
170	  Support for the DMA engine first found in Allwinner A31 SoCs.
171
172config DW_AXI_DMAC
173	tristate "Synopsys DesignWare AXI DMA support"
174	depends on OF || COMPILE_TEST
175	depends on HAS_IOMEM
176	select DMA_ENGINE
177	select DMA_VIRTUAL_CHANNELS
178	help
179	  Enable support for Synopsys DesignWare AXI DMA controller.
180	  NOTE: This driver wasn't tested on 64 bit platform because
181	  of lack 64 bit platform with Synopsys DW AXI DMAC.
182
183config EP93XX_DMA
184	bool "Cirrus Logic EP93xx DMA support"
185	depends on ARCH_EP93XX || COMPILE_TEST
186	select DMA_ENGINE
187	help
188	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
189
190config FSL_DMA
191	tristate "Freescale Elo series DMA support"
192	depends on FSL_SOC
193	select DMA_ENGINE
194	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
195	help
196	  Enable support for the Freescale Elo series DMA controllers.
197	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
198	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
199	  some Txxx and Bxxx parts.
200
201config FSL_EDMA
202	tristate "Freescale eDMA engine support"
203	depends on OF
204	select DMA_ENGINE
205	select DMA_VIRTUAL_CHANNELS
206	help
207	  Support the Freescale eDMA engine with programmable channel
208	  multiplexing capability for DMA request sources(slot).
209	  This module can be found on Freescale Vybrid and LS-1 SoCs.
210
211config FSL_QDMA
212	tristate "NXP Layerscape qDMA engine support"
213	depends on ARM || ARM64
214	select DMA_ENGINE
215	select DMA_VIRTUAL_CHANNELS
216	select DMA_ENGINE_RAID
217	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
218	help
219	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
220	 Channel virtualization is supported through enqueuing of DMA jobs to,
221	 or dequeuing DMA jobs from, different work queues.
222	 This module can be found on NXP Layerscape SoCs.
223	  The qdma driver only work on  SoCs with a DPAA hardware block.
224
225config FSL_RAID
226	tristate "Freescale RAID engine Support"
227	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
228	select DMA_ENGINE
229	select DMA_ENGINE_RAID
230	help
231	  Enable support for Freescale RAID Engine. RAID Engine is
232	  available on some QorIQ SoCs (like P5020/P5040). It has
233	  the capability to offload memcpy, xor and pq computation
234	  for raid5/6.
235
236config HISI_DMA
237	tristate "HiSilicon DMA Engine support"
238	depends on ARM64 || COMPILE_TEST
239	depends on PCI_MSI
240	select DMA_ENGINE
241	select DMA_VIRTUAL_CHANNELS
242	help
243	  Support HiSilicon Kunpeng DMA engine.
244
245config IMG_MDC_DMA
246	tristate "IMG MDC support"
247	depends on MIPS || COMPILE_TEST
248	depends on MFD_SYSCON
249	select DMA_ENGINE
250	select DMA_VIRTUAL_CHANNELS
251	help
252	  Enable support for the IMG multi-threaded DMA controller (MDC).
253
254config IMX_DMA
255	tristate "i.MX DMA support"
256	depends on ARCH_MXC
257	select DMA_ENGINE
258	help
259	  Support the i.MX DMA engine. This engine is integrated into
260	  Freescale i.MX1/21/27 chips.
261
262config IMX_SDMA
263	tristate "i.MX SDMA support"
264	depends on ARCH_MXC
265	select DMA_ENGINE
266	select DMA_VIRTUAL_CHANNELS
267	help
268	  Support the i.MX SDMA engine. This engine is integrated into
269	  Freescale i.MX25/31/35/51/53/6 chips.
270
271config INTEL_IDMA64
272	tristate "Intel integrated DMA 64-bit support"
273	select DMA_ENGINE
274	select DMA_VIRTUAL_CHANNELS
275	help
276	  Enable DMA support for Intel Low Power Subsystem such as found on
277	  Intel Skylake PCH.
278
279config INTEL_IDXD
280	tristate "Intel Data Accelerators support"
281	depends on PCI && X86_64
282	depends on PCI_MSI
283	depends on SBITMAP
284	select DMA_ENGINE
285	help
286	  Enable support for the Intel(R) data accelerators present
287	  in Intel Xeon CPU.
288
289	  Say Y if you have such a platform.
290
291	  If unsure, say N.
292
293# Config symbol that collects all the dependencies that's necessary to
294# support shared virtual memory for the devices supported by idxd.
295config INTEL_IDXD_SVM
296	bool "Accelerator Shared Virtual Memory Support"
297	depends on INTEL_IDXD
298	depends on INTEL_IOMMU_SVM
299	depends on PCI_PRI
300	depends on PCI_PASID
301	depends on PCI_IOV
302
303config INTEL_IOATDMA
304	tristate "Intel I/OAT DMA support"
305	depends on PCI && X86_64
306	select DMA_ENGINE
307	select DMA_ENGINE_RAID
308	select DCA
309	help
310	  Enable support for the Intel(R) I/OAT DMA engine present
311	  in recent Intel Xeon chipsets.
312
313	  Say Y here if you have such a chipset.
314
315	  If unsure, say N.
316
317config INTEL_IOP_ADMA
318	tristate "Intel IOP32x ADMA support"
319	depends on ARCH_IOP32X || COMPILE_TEST
320	select DMA_ENGINE
321	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
322	help
323	  Enable support for the Intel(R) IOP Series RAID engines.
324
325config K3_DMA
326	tristate "Hisilicon K3 DMA support"
327	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
328	select DMA_ENGINE
329	select DMA_VIRTUAL_CHANNELS
330	help
331	  Support the DMA engine for Hisilicon K3 platform
332	  devices.
333
334config LPC18XX_DMAMUX
335	bool "NXP LPC18xx/43xx DMA MUX for PL080"
336	depends on ARCH_LPC18XX || COMPILE_TEST
337	depends on OF && AMBA_PL08X
338	select MFD_SYSCON
339	help
340	  Enable support for DMA on NXP LPC18xx/43xx platforms
341	  with PL080 and multiplexed DMA request lines.
342
343config MCF_EDMA
344	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
345	depends on M5441x || COMPILE_TEST
346	select DMA_ENGINE
347	select DMA_VIRTUAL_CHANNELS
348	help
349	  Support the Freescale ColdFire eDMA engine, 64-channel
350	  implementation that performs complex data transfers with
351	  minimal intervention from a host processor.
352	  This module can be found on Freescale ColdFire mcf5441x SoCs.
353
354config MILBEAUT_HDMAC
355	tristate "Milbeaut AHB DMA support"
356	depends on ARCH_MILBEAUT || COMPILE_TEST
357	depends on OF
358	select DMA_ENGINE
359	select DMA_VIRTUAL_CHANNELS
360	help
361	  Say yes here to support the Socionext Milbeaut
362	  HDMAC device.
363
364config MILBEAUT_XDMAC
365	tristate "Milbeaut AXI DMA support"
366	depends on ARCH_MILBEAUT || COMPILE_TEST
367	depends on OF
368	select DMA_ENGINE
369	select DMA_VIRTUAL_CHANNELS
370	help
371	  Say yes here to support the Socionext Milbeaut
372	  XDMAC device.
373
374config MMP_PDMA
375	tristate "MMP PDMA support"
376	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
377	select DMA_ENGINE
378	help
379	  Support the MMP PDMA engine for PXA and MMP platform.
380
381config MMP_TDMA
382	tristate "MMP Two-Channel DMA support"
383	depends on ARCH_MMP || COMPILE_TEST
384	select DMA_ENGINE
385	select GENERIC_ALLOCATOR
386	help
387	  Support the MMP Two-Channel DMA engine.
388	  This engine used for MMP Audio DMA and pxa910 SQU.
389
390config MOXART_DMA
391	tristate "MOXART DMA support"
392	depends on ARCH_MOXART
393	select DMA_ENGINE
394	select DMA_VIRTUAL_CHANNELS
395	help
396	  Enable support for the MOXA ART SoC DMA controller.
397
398	  Say Y here if you enabled MMP ADMA, otherwise say N.
399
400config MPC512X_DMA
401	tristate "Freescale MPC512x built-in DMA engine support"
402	depends on PPC_MPC512x || PPC_MPC831x
403	select DMA_ENGINE
404	help
405	  Enable support for the Freescale MPC512x built-in DMA engine.
406
407config MV_XOR
408	bool "Marvell XOR engine support"
409	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
410	select DMA_ENGINE
411	select DMA_ENGINE_RAID
412	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
413	help
414	  Enable support for the Marvell XOR engine.
415
416config MV_XOR_V2
417	bool "Marvell XOR engine version 2 support "
418	depends on ARM64
419	select DMA_ENGINE
420	select DMA_ENGINE_RAID
421	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
422	select GENERIC_MSI_IRQ_DOMAIN
423	help
424	  Enable support for the Marvell version 2 XOR engine.
425
426	  This engine provides acceleration for copy, XOR and RAID6
427	  operations, and is available on Marvell Armada 7K and 8K
428	  platforms.
429
430config MXS_DMA
431	bool "MXS DMA support"
432	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
433	select STMP_DEVICE
434	select DMA_ENGINE
435	help
436	  Support the MXS DMA engine. This engine including APBH-DMA
437	  and APBX-DMA is integrated into some Freescale chips.
438
439config MX3_IPU
440	bool "MX3x Image Processing Unit support"
441	depends on ARCH_MXC
442	select DMA_ENGINE
443	default y
444	help
445	  If you plan to use the Image Processing unit in the i.MX3x, say
446	  Y here. If unsure, select Y.
447
448config MX3_IPU_IRQS
449	int "Number of dynamically mapped interrupts for IPU"
450	depends on MX3_IPU
451	range 2 137
452	default 4
453	help
454	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
455	  To avoid bloating the irq_desc[] array we allocate a sufficient
456	  number of IRQ slots and map them dynamically to specific sources.
457
458config NBPFAXI_DMA
459	tristate "Renesas Type-AXI NBPF DMA support"
460	select DMA_ENGINE
461	depends on ARM || COMPILE_TEST
462	help
463	  Support for "Type-AXI" NBPF DMA IPs from Renesas
464
465config OWL_DMA
466	tristate "Actions Semi Owl SoCs DMA support"
467	depends on ARCH_ACTIONS
468	select DMA_ENGINE
469	select DMA_VIRTUAL_CHANNELS
470	help
471	  Enable support for the Actions Semi Owl SoCs DMA controller.
472
473config PCH_DMA
474	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
475	depends on PCI && (X86_32 || COMPILE_TEST)
476	select DMA_ENGINE
477	help
478	  Enable support for Intel EG20T PCH DMA engine.
479
480	  This driver also can be used for LAPIS Semiconductor IOH(Input/
481	  Output Hub), ML7213, ML7223 and ML7831.
482	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
483	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
484	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
485	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
486
487config PL330_DMA
488	tristate "DMA API Driver for PL330"
489	select DMA_ENGINE
490	depends on ARM_AMBA
491	help
492	  Select if your platform has one or more PL330 DMACs.
493	  You need to provide platform specific settings via
494	  platform_data for a dma-pl330 device.
495
496config PXA_DMA
497	bool "PXA DMA support"
498	depends on (ARCH_MMP || ARCH_PXA)
499	select DMA_ENGINE
500	select DMA_VIRTUAL_CHANNELS
501	help
502	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
503	  platform. The internal DMA IP of all PXA variants is supported, with
504	  16 to 32 channels for peripheral to memory or memory to memory
505	  transfers.
506
507config PLX_DMA
508	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
509	depends on PCI
510	select DMA_ENGINE
511	help
512	  Some PLX ExpressLane PCI Switches support additional DMA engines.
513	  These are exposed via extra functions on the switch's
514	  upstream port. Each function exposes one DMA channel.
515
516config STE_DMA40
517	bool "ST-Ericsson DMA40 support"
518	depends on ARCH_U8500
519	select DMA_ENGINE
520	help
521	  Support for ST-Ericsson DMA40 controller
522
523config ST_FDMA
524	tristate "ST FDMA dmaengine support"
525	depends on ARCH_STI
526	depends on REMOTEPROC
527	select ST_SLIM_REMOTEPROC
528	select DMA_ENGINE
529	select DMA_VIRTUAL_CHANNELS
530	help
531	  Enable support for ST FDMA controller.
532	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
533
534	  Say Y here if you have such a chipset.
535	  If unsure, say N.
536
537config STM32_DMA
538	bool "STMicroelectronics STM32 DMA support"
539	depends on ARCH_STM32 || COMPILE_TEST
540	select DMA_ENGINE
541	select DMA_VIRTUAL_CHANNELS
542	help
543	  Enable support for the on-chip DMA controller on STMicroelectronics
544	  STM32 MCUs.
545	  If you have a board based on such a MCU and wish to use DMA say Y
546	  here.
547
548config STM32_DMAMUX
549	bool "STMicroelectronics STM32 dma multiplexer support"
550	depends on STM32_DMA || COMPILE_TEST
551	help
552	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
553	  STM32 MCUs.
554	  If you have a board based on such a MCU and wish to use DMAMUX say Y
555	  here.
556
557config STM32_MDMA
558	bool "STMicroelectronics STM32 master dma support"
559	depends on ARCH_STM32 || COMPILE_TEST
560	depends on OF
561	select DMA_ENGINE
562	select DMA_VIRTUAL_CHANNELS
563	help
564	  Enable support for the on-chip MDMA controller on STMicroelectronics
565	  STM32 platforms.
566	  If you have a board based on STM32 SoC and wish to use the master DMA
567	  say Y here.
568
569config SPRD_DMA
570	tristate "Spreadtrum DMA support"
571	depends on ARCH_SPRD || COMPILE_TEST
572	select DMA_ENGINE
573	select DMA_VIRTUAL_CHANNELS
574	help
575	  Enable support for the on-chip DMA controller on Spreadtrum platform.
576
577config S3C24XX_DMAC
578	bool "Samsung S3C24XX DMA support"
579	depends on ARCH_S3C24XX || COMPILE_TEST
580	select DMA_ENGINE
581	select DMA_VIRTUAL_CHANNELS
582	help
583	  Support for the Samsung S3C24XX DMA controller driver. The
584	  DMA controller is having multiple DMA channels which can be
585	  configured for different peripherals like audio, UART, SPI.
586	  The DMA controller can transfer data from memory to peripheral,
587	  periphal to memory, periphal to periphal and memory to memory.
588
589config TXX9_DMAC
590	tristate "Toshiba TXx9 SoC DMA support"
591	depends on MACH_TX49XX || MACH_TX39XX
592	select DMA_ENGINE
593	help
594	  Support the TXx9 SoC internal DMA controller.  This can be
595	  integrated in chips such as the Toshiba TX4927/38/39.
596
597config TEGRA20_APB_DMA
598	tristate "NVIDIA Tegra20 APB DMA support"
599	depends on ARCH_TEGRA || COMPILE_TEST
600	select DMA_ENGINE
601	help
602	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
603	  DMA controller is having multiple DMA channel which can be
604	  configured for different peripherals like audio, UART, SPI,
605	  I2C etc which is in APB bus.
606	  This DMA controller transfers data from memory to peripheral fifo
607	  or vice versa. It does not support memory to memory data transfer.
608
609config TEGRA210_ADMA
610	tristate "NVIDIA Tegra210 ADMA support"
611	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
612	select DMA_ENGINE
613	select DMA_VIRTUAL_CHANNELS
614	help
615	  Support for the NVIDIA Tegra210 ADMA controller driver. The
616	  DMA controller has multiple DMA channels and is used to service
617	  various audio clients in the Tegra210 audio processing engine
618	  (APE). This DMA controller transfers data from memory to
619	  peripheral and vice versa. It does not support memory to
620	  memory data transfer.
621
622config TIMB_DMA
623	tristate "Timberdale FPGA DMA support"
624	depends on MFD_TIMBERDALE || COMPILE_TEST
625	select DMA_ENGINE
626	help
627	  Enable support for the Timberdale FPGA DMA engine.
628
629config UNIPHIER_MDMAC
630	tristate "UniPhier MIO DMAC"
631	depends on ARCH_UNIPHIER || COMPILE_TEST
632	depends on OF
633	select DMA_ENGINE
634	select DMA_VIRTUAL_CHANNELS
635	help
636	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
637	  UniPhier platform.  This DMA controller is used as the external
638	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
639
640config UNIPHIER_XDMAC
641	tristate "UniPhier XDMAC support"
642	depends on ARCH_UNIPHIER || COMPILE_TEST
643	depends on OF
644	select DMA_ENGINE
645	select DMA_VIRTUAL_CHANNELS
646	help
647	  Enable support for the XDMAC (external DMA controller) on the
648	  UniPhier platform. This DMA controller can transfer data from
649	  memory to memory, memory to peripheral and peripheral to memory.
650
651config XGENE_DMA
652	tristate "APM X-Gene DMA support"
653	depends on ARCH_XGENE || COMPILE_TEST
654	select DMA_ENGINE
655	select DMA_ENGINE_RAID
656	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
657	help
658	  Enable support for the APM X-Gene SoC DMA engine.
659
660config XILINX_DMA
661	tristate "Xilinx AXI DMAS Engine"
662	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
663	select DMA_ENGINE
664	help
665	  Enable support for Xilinx AXI VDMA Soft IP.
666
667	  AXI VDMA engine provides high-bandwidth direct memory access
668	  between memory and AXI4-Stream video type target
669	  peripherals including peripherals which support AXI4-
670	  Stream Video Protocol.  It has two stream interfaces/
671	  channels, Memory Mapped to Stream (MM2S) and Stream to
672	  Memory Mapped (S2MM) for the data transfers.
673	  AXI CDMA engine provides high-bandwidth direct memory access
674	  between a memory-mapped source address and a memory-mapped
675	  destination address.
676	  AXI DMA engine provides high-bandwidth one dimensional direct
677	  memory access between memory and AXI4-Stream target peripherals.
678	  AXI MCDMA engine provides high-bandwidth direct memory access
679	  between memory and AXI4-Stream target peripherals. It provides
680	  the scatter gather interface with multiple channels independent
681	  configuration support.
682
683config XILINX_ZYNQMP_DMA
684	tristate "Xilinx ZynqMP DMA Engine"
685	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
686	select DMA_ENGINE
687	help
688	  Enable support for Xilinx ZynqMP DMA controller.
689
690config XILINX_ZYNQMP_DPDMA
691	tristate "Xilinx DPDMA Engine"
692	select DMA_ENGINE
693	select DMA_VIRTUAL_CHANNELS
694	help
695	  Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
696	  if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
697	  driver provides the dmaengine required by the DisplayPort subsystem
698	  display driver.
699
700# driver files
701source "drivers/dma/bestcomm/Kconfig"
702
703source "drivers/dma/mediatek/Kconfig"
704
705source "drivers/dma/qcom/Kconfig"
706
707source "drivers/dma/dw/Kconfig"
708
709source "drivers/dma/dw-edma/Kconfig"
710
711source "drivers/dma/hsu/Kconfig"
712
713source "drivers/dma/sf-pdma/Kconfig"
714
715source "drivers/dma/sh/Kconfig"
716
717source "drivers/dma/ti/Kconfig"
718
719source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
720
721source "drivers/dma/lgm/Kconfig"
722
723# clients
724comment "DMA Clients"
725	depends on DMA_ENGINE
726
727config ASYNC_TX_DMA
728	bool "Async_tx: Offload support for the async_tx api"
729	depends on DMA_ENGINE
730	help
731	  This allows the async_tx api to take advantage of offload engines for
732	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
733	  a dma engine that can perform raid operations and you have enabled
734	  MD_RAID456 say Y.
735
736	  If unsure, say N.
737
738config DMATEST
739	tristate "DMA Test client"
740	depends on DMA_ENGINE
741	select DMA_ENGINE_RAID
742	help
743	  Simple DMA test client. Say N unless you're debugging a
744	  DMA Device driver.
745
746config DMA_ENGINE_RAID
747	bool
748
749endif
750