xref: /openbmc/linux/drivers/dma/Kconfig (revision 2bbb0e3c)
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 Device's reference designs for FPGA
110	  platforms.
111
112config BCM_SBA_RAID
113	tristate "Broadcom SBA RAID engine support"
114	depends on ARM64 || COMPILE_TEST
115	depends on MAILBOX && RAID6_PQ
116	select DMA_ENGINE
117	select DMA_ENGINE_RAID
118	select ASYNC_TX_DISABLE_XOR_VAL_DMA
119	select ASYNC_TX_DISABLE_PQ_VAL_DMA
120	default m if ARCH_BCM_IPROC
121	help
122	  Enable support for Broadcom SBA RAID Engine. The SBA RAID
123	  engine is available on most of the Broadcom iProc SoCs. It
124	  has the capability to offload memcpy, xor and pq computation
125	  for raid5/6.
126
127config COH901318
128	bool "ST-Ericsson COH901318 DMA support"
129	select DMA_ENGINE
130	depends on ARCH_U300 || COMPILE_TEST
131	help
132	  Enable support for ST-Ericsson COH 901 318 DMA.
133
134config DMA_BCM2835
135	tristate "BCM2835 DMA engine support"
136	depends on ARCH_BCM2835
137	select DMA_ENGINE
138	select DMA_VIRTUAL_CHANNELS
139
140config DMA_JZ4780
141	tristate "JZ4780 DMA support"
142	depends on MIPS || COMPILE_TEST
143	select DMA_ENGINE
144	select DMA_VIRTUAL_CHANNELS
145	help
146	  This selects support for the DMA controller in Ingenic JZ4780 SoCs.
147	  If you have a board based on such a SoC and wish to use DMA for
148	  devices which can use the DMA controller, say Y or M here.
149
150config DMA_SA11X0
151	tristate "SA-11x0 DMA support"
152	depends on ARCH_SA1100 || COMPILE_TEST
153	select DMA_ENGINE
154	select DMA_VIRTUAL_CHANNELS
155	help
156	  Support the DMA engine found on Intel StrongARM SA-1100 and
157	  SA-1110 SoCs.  This DMA engine can only be used with on-chip
158	  devices.
159
160config DMA_SUN4I
161	tristate "Allwinner A10 DMA SoCs support"
162	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
163	default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
164	select DMA_ENGINE
165	select DMA_VIRTUAL_CHANNELS
166	help
167	  Enable support for the DMA controller present in the sun4i,
168	  sun5i and sun7i Allwinner ARM SoCs.
169
170config DMA_SUN6I
171	tristate "Allwinner A31 SoCs DMA support"
172	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
173	depends on RESET_CONTROLLER
174	select DMA_ENGINE
175	select DMA_VIRTUAL_CHANNELS
176	help
177	  Support for the DMA engine first found in Allwinner A31 SoCs.
178
179config DW_AXI_DMAC
180	tristate "Synopsys DesignWare AXI DMA support"
181	depends on OF || COMPILE_TEST
182	select DMA_ENGINE
183	select DMA_VIRTUAL_CHANNELS
184	help
185	  Enable support for Synopsys DesignWare AXI DMA controller.
186	  NOTE: This driver wasn't tested on 64 bit platform because
187	  of lack 64 bit platform with Synopsys DW AXI DMAC.
188
189config EP93XX_DMA
190	bool "Cirrus Logic EP93xx DMA support"
191	depends on ARCH_EP93XX || COMPILE_TEST
192	select DMA_ENGINE
193	help
194	  Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
195
196config FSL_DMA
197	tristate "Freescale Elo series DMA support"
198	depends on FSL_SOC
199	select DMA_ENGINE
200	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
201	---help---
202	  Enable support for the Freescale Elo series DMA controllers.
203	  The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
204	  EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
205	  some Txxx and Bxxx parts.
206
207config FSL_EDMA
208	tristate "Freescale eDMA engine support"
209	depends on OF
210	select DMA_ENGINE
211	select DMA_VIRTUAL_CHANNELS
212	help
213	  Support the Freescale eDMA engine with programmable channel
214	  multiplexing capability for DMA request sources(slot).
215	  This module can be found on Freescale Vybrid and LS-1 SoCs.
216
217config FSL_QDMA
218	tristate "NXP Layerscape qDMA engine support"
219	depends on ARM || ARM64
220	select DMA_ENGINE
221	select DMA_VIRTUAL_CHANNELS
222	select DMA_ENGINE_RAID
223	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
224	help
225	 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
226	 Channel virtualization is supported through enqueuing of DMA jobs to,
227	 or dequeuing DMA jobs from, different work queues.
228	 This module can be found on NXP Layerscape SoCs.
229	  The qdma driver only work on  SoCs with a DPAA hardware block.
230
231config FSL_RAID
232	tristate "Freescale RAID engine Support"
233	depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
234	select DMA_ENGINE
235	select DMA_ENGINE_RAID
236	---help---
237	  Enable support for Freescale RAID Engine. RAID Engine is
238	  available on some QorIQ SoCs (like P5020/P5040). It has
239	  the capability to offload memcpy, xor and pq computation
240	  for raid5/6.
241
242config HISI_DMA
243	tristate "HiSilicon DMA Engine support"
244	depends on ARM64 || COMPILE_TEST
245	depends on PCI_MSI
246	select DMA_ENGINE
247	select DMA_VIRTUAL_CHANNELS
248	help
249	  Support HiSilicon Kunpeng DMA engine.
250
251config IMG_MDC_DMA
252	tristate "IMG MDC support"
253	depends on MIPS || COMPILE_TEST
254	depends on MFD_SYSCON
255	select DMA_ENGINE
256	select DMA_VIRTUAL_CHANNELS
257	help
258	  Enable support for the IMG multi-threaded DMA controller (MDC).
259
260config IMX_DMA
261	tristate "i.MX DMA support"
262	depends on ARCH_MXC
263	select DMA_ENGINE
264	help
265	  Support the i.MX DMA engine. This engine is integrated into
266	  Freescale i.MX1/21/27 chips.
267
268config IMX_SDMA
269	tristate "i.MX SDMA support"
270	depends on ARCH_MXC
271	select DMA_ENGINE
272	select DMA_VIRTUAL_CHANNELS
273	help
274	  Support the i.MX SDMA engine. This engine is integrated into
275	  Freescale i.MX25/31/35/51/53/6 chips.
276
277config INTEL_IDMA64
278	tristate "Intel integrated DMA 64-bit support"
279	select DMA_ENGINE
280	select DMA_VIRTUAL_CHANNELS
281	help
282	  Enable DMA support for Intel Low Power Subsystem such as found on
283	  Intel Skylake PCH.
284
285config INTEL_IDXD
286	tristate "Intel Data Accelerators support"
287	depends on PCI && X86_64
288	select DMA_ENGINE
289	select SBITMAP
290	help
291	  Enable support for the Intel(R) data accelerators present
292	  in Intel Xeon CPU.
293
294	  Say Y if you have such a platform.
295
296	  If unsure, say N.
297
298config INTEL_IOATDMA
299	tristate "Intel I/OAT DMA support"
300	depends on PCI && X86_64
301	select DMA_ENGINE
302	select DMA_ENGINE_RAID
303	select DCA
304	help
305	  Enable support for the Intel(R) I/OAT DMA engine present
306	  in recent Intel Xeon chipsets.
307
308	  Say Y here if you have such a chipset.
309
310	  If unsure, say N.
311
312config INTEL_IOP_ADMA
313	tristate "Intel IOP32x ADMA support"
314	depends on ARCH_IOP32X || COMPILE_TEST
315	select DMA_ENGINE
316	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
317	help
318	  Enable support for the Intel(R) IOP Series RAID engines.
319
320config INTEL_MIC_X100_DMA
321	tristate "Intel MIC X100 DMA Driver"
322	depends on 64BIT && X86 && INTEL_MIC_BUS
323	select DMA_ENGINE
324	help
325	  This enables DMA support for the Intel Many Integrated Core
326	  (MIC) family of PCIe form factor coprocessor X100 devices that
327	  run a 64 bit Linux OS. This driver will be used by both MIC
328	  host and card drivers.
329
330	  If you are building host kernel with a MIC device or a card
331	  kernel for a MIC device, then say M (recommended) or Y, else
332	  say N. If unsure say N.
333
334	  More information about the Intel MIC family as well as the Linux
335	  OS and tools for MIC to use with this driver are available from
336	  <http://software.intel.com/en-us/mic-developer>.
337
338config K3_DMA
339	tristate "Hisilicon K3 DMA support"
340	depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
341	select DMA_ENGINE
342	select DMA_VIRTUAL_CHANNELS
343	help
344	  Support the DMA engine for Hisilicon K3 platform
345	  devices.
346
347config LPC18XX_DMAMUX
348	bool "NXP LPC18xx/43xx DMA MUX for PL080"
349	depends on ARCH_LPC18XX || COMPILE_TEST
350	depends on OF && AMBA_PL08X
351	select MFD_SYSCON
352	help
353	  Enable support for DMA on NXP LPC18xx/43xx platforms
354	  with PL080 and multiplexed DMA request lines.
355
356config MCF_EDMA
357	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
358	depends on M5441x || COMPILE_TEST
359	select DMA_ENGINE
360	select DMA_VIRTUAL_CHANNELS
361	help
362	  Support the Freescale ColdFire eDMA engine, 64-channel
363	  implementation that performs complex data transfers with
364	  minimal intervention from a host processor.
365	  This module can be found on Freescale ColdFire mcf5441x SoCs.
366
367config MILBEAUT_HDMAC
368	tristate "Milbeaut AHB DMA support"
369	depends on ARCH_MILBEAUT || COMPILE_TEST
370	depends on OF
371	select DMA_ENGINE
372	select DMA_VIRTUAL_CHANNELS
373	help
374	  Say yes here to support the Socionext Milbeaut
375	  HDMAC device.
376
377config MILBEAUT_XDMAC
378	tristate "Milbeaut AXI DMA support"
379	depends on ARCH_MILBEAUT || COMPILE_TEST
380	depends on OF
381	select DMA_ENGINE
382	select DMA_VIRTUAL_CHANNELS
383	help
384	  Say yes here to support the Socionext Milbeaut
385	  XDMAC device.
386
387config MMP_PDMA
388	bool "MMP PDMA support"
389	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
390	select DMA_ENGINE
391	help
392	  Support the MMP PDMA engine for PXA and MMP platform.
393
394config MMP_TDMA
395	bool "MMP Two-Channel DMA support"
396	depends on ARCH_MMP || COMPILE_TEST
397	select DMA_ENGINE
398	select MMP_SRAM if ARCH_MMP
399	select GENERIC_ALLOCATOR
400	help
401	  Support the MMP Two-Channel DMA engine.
402	  This engine used for MMP Audio DMA and pxa910 SQU.
403	  It needs sram driver under mach-mmp.
404
405config MOXART_DMA
406	tristate "MOXART DMA support"
407	depends on ARCH_MOXART
408	select DMA_ENGINE
409	select DMA_VIRTUAL_CHANNELS
410	help
411	  Enable support for the MOXA ART SoC DMA controller.
412
413	  Say Y here if you enabled MMP ADMA, otherwise say N.
414
415config MPC512X_DMA
416	tristate "Freescale MPC512x built-in DMA engine support"
417	depends on PPC_MPC512x || PPC_MPC831x
418	select DMA_ENGINE
419	---help---
420	  Enable support for the Freescale MPC512x built-in DMA engine.
421
422config MV_XOR
423	bool "Marvell XOR engine support"
424	depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
425	select DMA_ENGINE
426	select DMA_ENGINE_RAID
427	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
428	---help---
429	  Enable support for the Marvell XOR engine.
430
431config MV_XOR_V2
432	bool "Marvell XOR engine version 2 support "
433	depends on ARM64
434	select DMA_ENGINE
435	select DMA_ENGINE_RAID
436	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
437	select GENERIC_MSI_IRQ_DOMAIN
438	---help---
439	  Enable support for the Marvell version 2 XOR engine.
440
441	  This engine provides acceleration for copy, XOR and RAID6
442	  operations, and is available on Marvell Armada 7K and 8K
443	  platforms.
444
445config MXS_DMA
446	bool "MXS DMA support"
447	depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
448	select STMP_DEVICE
449	select DMA_ENGINE
450	help
451	  Support the MXS DMA engine. This engine including APBH-DMA
452	  and APBX-DMA is integrated into some Freescale chips.
453
454config MX3_IPU
455	bool "MX3x Image Processing Unit support"
456	depends on ARCH_MXC
457	select DMA_ENGINE
458	default y
459	help
460	  If you plan to use the Image Processing unit in the i.MX3x, say
461	  Y here. If unsure, select Y.
462
463config MX3_IPU_IRQS
464	int "Number of dynamically mapped interrupts for IPU"
465	depends on MX3_IPU
466	range 2 137
467	default 4
468	help
469	  Out of 137 interrupt sources on i.MX31 IPU only very few are used.
470	  To avoid bloating the irq_desc[] array we allocate a sufficient
471	  number of IRQ slots and map them dynamically to specific sources.
472
473config NBPFAXI_DMA
474	tristate "Renesas Type-AXI NBPF DMA support"
475	select DMA_ENGINE
476	depends on ARM || COMPILE_TEST
477	help
478	  Support for "Type-AXI" NBPF DMA IPs from Renesas
479
480config OWL_DMA
481	tristate "Actions Semi Owl SoCs DMA support"
482	depends on ARCH_ACTIONS
483	select DMA_ENGINE
484	select DMA_VIRTUAL_CHANNELS
485	help
486	  Enable support for the Actions Semi Owl SoCs DMA controller.
487
488config PCH_DMA
489	tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
490	depends on PCI && (X86_32 || COMPILE_TEST)
491	select DMA_ENGINE
492	help
493	  Enable support for Intel EG20T PCH DMA engine.
494
495	  This driver also can be used for LAPIS Semiconductor IOH(Input/
496	  Output Hub), ML7213, ML7223 and ML7831.
497	  ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
498	  for MP(Media Phone) use and ML7831 IOH is for general purpose use.
499	  ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
500	  ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
501
502config PL330_DMA
503	tristate "DMA API Driver for PL330"
504	select DMA_ENGINE
505	depends on ARM_AMBA
506	help
507	  Select if your platform has one or more PL330 DMACs.
508	  You need to provide platform specific settings via
509	  platform_data for a dma-pl330 device.
510
511config PXA_DMA
512	bool "PXA DMA support"
513	depends on (ARCH_MMP || ARCH_PXA)
514	select DMA_ENGINE
515	select DMA_VIRTUAL_CHANNELS
516	help
517	  Support the DMA engine for PXA. It is also compatible with MMP PDMA
518	  platform. The internal DMA IP of all PXA variants is supported, with
519	  16 to 32 channels for peripheral to memory or memory to memory
520	  transfers.
521
522config PLX_DMA
523	tristate "PLX ExpressLane PEX Switch DMA Engine Support"
524	depends on PCI
525	select DMA_ENGINE
526	help
527	  Some PLX ExpressLane PCI Switches support additional DMA engines.
528	  These are exposed via extra functions on the switch's
529	  upstream port. Each function exposes one DMA channel.
530
531config SIRF_DMA
532	tristate "CSR SiRFprimaII/SiRFmarco DMA support"
533	depends on ARCH_SIRF
534	select DMA_ENGINE
535	help
536	  Enable support for the CSR SiRFprimaII DMA engine.
537
538config STE_DMA40
539	bool "ST-Ericsson DMA40 support"
540	depends on ARCH_U8500
541	select DMA_ENGINE
542	help
543	  Support for ST-Ericsson DMA40 controller
544
545config ST_FDMA
546	tristate "ST FDMA dmaengine support"
547	depends on ARCH_STI
548	depends on REMOTEPROC
549	select ST_SLIM_REMOTEPROC
550	select DMA_ENGINE
551	select DMA_VIRTUAL_CHANNELS
552	help
553	  Enable support for ST FDMA controller.
554	  It supports 16 independent DMA channels, accepts up to 32 DMA requests
555
556	  Say Y here if you have such a chipset.
557	  If unsure, say N.
558
559config STM32_DMA
560	bool "STMicroelectronics STM32 DMA support"
561	depends on ARCH_STM32 || COMPILE_TEST
562	select DMA_ENGINE
563	select DMA_VIRTUAL_CHANNELS
564	help
565	  Enable support for the on-chip DMA controller on STMicroelectronics
566	  STM32 MCUs.
567	  If you have a board based on such a MCU and wish to use DMA say Y
568	  here.
569
570config STM32_DMAMUX
571	bool "STMicroelectronics STM32 dma multiplexer support"
572	depends on STM32_DMA || COMPILE_TEST
573	help
574	  Enable support for the on-chip DMA multiplexer on STMicroelectronics
575	  STM32 MCUs.
576	  If you have a board based on such a MCU and wish to use DMAMUX say Y
577	  here.
578
579config STM32_MDMA
580	bool "STMicroelectronics STM32 master dma support"
581	depends on ARCH_STM32 || COMPILE_TEST
582	depends on OF
583	select DMA_ENGINE
584	select DMA_VIRTUAL_CHANNELS
585	help
586	  Enable support for the on-chip MDMA controller on STMicroelectronics
587	  STM32 platforms.
588	  If you have a board based on STM32 SoC and wish to use the master DMA
589	  say Y here.
590
591config SPRD_DMA
592	tristate "Spreadtrum DMA support"
593	depends on ARCH_SPRD || COMPILE_TEST
594	select DMA_ENGINE
595	select DMA_VIRTUAL_CHANNELS
596	help
597	  Enable support for the on-chip DMA controller on Spreadtrum platform.
598
599config S3C24XX_DMAC
600	bool "Samsung S3C24XX DMA support"
601	depends on ARCH_S3C24XX || COMPILE_TEST
602	select DMA_ENGINE
603	select DMA_VIRTUAL_CHANNELS
604	help
605	  Support for the Samsung S3C24XX DMA controller driver. The
606	  DMA controller is having multiple DMA channels which can be
607	  configured for different peripherals like audio, UART, SPI.
608	  The DMA controller can transfer data from memory to peripheral,
609	  periphal to memory, periphal to periphal and memory to memory.
610
611config TXX9_DMAC
612	tristate "Toshiba TXx9 SoC DMA support"
613	depends on MACH_TX49XX || MACH_TX39XX
614	select DMA_ENGINE
615	help
616	  Support the TXx9 SoC internal DMA controller.  This can be
617	  integrated in chips such as the Toshiba TX4927/38/39.
618
619config TEGRA20_APB_DMA
620	tristate "NVIDIA Tegra20 APB DMA support"
621	depends on ARCH_TEGRA || COMPILE_TEST
622	select DMA_ENGINE
623	help
624	  Support for the NVIDIA Tegra20 APB DMA controller driver. The
625	  DMA controller is having multiple DMA channel which can be
626	  configured for different peripherals like audio, UART, SPI,
627	  I2C etc which is in APB bus.
628	  This DMA controller transfers data from memory to peripheral fifo
629	  or vice versa. It does not support memory to memory data transfer.
630
631config TEGRA210_ADMA
632	tristate "NVIDIA Tegra210 ADMA support"
633	depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
634	select DMA_ENGINE
635	select DMA_VIRTUAL_CHANNELS
636	help
637	  Support for the NVIDIA Tegra210 ADMA controller driver. The
638	  DMA controller has multiple DMA channels and is used to service
639	  various audio clients in the Tegra210 audio processing engine
640	  (APE). This DMA controller transfers data from memory to
641	  peripheral and vice versa. It does not support memory to
642	  memory data transfer.
643
644config TIMB_DMA
645	tristate "Timberdale FPGA DMA support"
646	depends on MFD_TIMBERDALE || COMPILE_TEST
647	select DMA_ENGINE
648	help
649	  Enable support for the Timberdale FPGA DMA engine.
650
651config UNIPHIER_MDMAC
652	tristate "UniPhier MIO DMAC"
653	depends on ARCH_UNIPHIER || COMPILE_TEST
654	depends on OF
655	select DMA_ENGINE
656	select DMA_VIRTUAL_CHANNELS
657	help
658	  Enable support for the MIO DMAC (Media I/O DMA controller) on the
659	  UniPhier platform.  This DMA controller is used as the external
660	  DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
661
662config UNIPHIER_XDMAC
663	tristate "UniPhier XDMAC support"
664	depends on ARCH_UNIPHIER || COMPILE_TEST
665	depends on OF
666	select DMA_ENGINE
667	select DMA_VIRTUAL_CHANNELS
668	help
669	  Enable support for the XDMAC (external DMA controller) on the
670	  UniPhier platform. This DMA controller can transfer data from
671	  memory to memory, memory to peripheral and peripheral to memory.
672
673config XGENE_DMA
674	tristate "APM X-Gene DMA support"
675	depends on ARCH_XGENE || COMPILE_TEST
676	select DMA_ENGINE
677	select DMA_ENGINE_RAID
678	select ASYNC_TX_ENABLE_CHANNEL_SWITCH
679	help
680	  Enable support for the APM X-Gene SoC DMA engine.
681
682config XILINX_DMA
683	tristate "Xilinx AXI DMAS Engine"
684	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
685	select DMA_ENGINE
686	help
687	  Enable support for Xilinx AXI VDMA Soft IP.
688
689	  AXI VDMA engine provides high-bandwidth direct memory access
690	  between memory and AXI4-Stream video type target
691	  peripherals including peripherals which support AXI4-
692	  Stream Video Protocol.  It has two stream interfaces/
693	  channels, Memory Mapped to Stream (MM2S) and Stream to
694	  Memory Mapped (S2MM) for the data transfers.
695	  AXI CDMA engine provides high-bandwidth direct memory access
696	  between a memory-mapped source address and a memory-mapped
697	  destination address.
698	  AXI DMA engine provides high-bandwidth one dimensional direct
699	  memory access between memory and AXI4-Stream target peripherals.
700	  AXI MCDMA engine provides high-bandwidth direct memory access
701	  between memory and AXI4-Stream target peripherals. It provides
702	  the scatter gather interface with multiple channels independent
703	  configuration support.
704
705config XILINX_ZYNQMP_DMA
706	tristate "Xilinx ZynqMP DMA Engine"
707	depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
708	select DMA_ENGINE
709	help
710	  Enable support for Xilinx ZynqMP DMA controller.
711
712config ZX_DMA
713	tristate "ZTE ZX DMA support"
714	depends on ARCH_ZX || COMPILE_TEST
715	select DMA_ENGINE
716	select DMA_VIRTUAL_CHANNELS
717	help
718	  Support the DMA engine for ZTE ZX family platform devices.
719
720
721# driver files
722source "drivers/dma/bestcomm/Kconfig"
723
724source "drivers/dma/mediatek/Kconfig"
725
726source "drivers/dma/qcom/Kconfig"
727
728source "drivers/dma/dw/Kconfig"
729
730source "drivers/dma/dw-edma/Kconfig"
731
732source "drivers/dma/hsu/Kconfig"
733
734source "drivers/dma/sf-pdma/Kconfig"
735
736source "drivers/dma/sh/Kconfig"
737
738source "drivers/dma/ti/Kconfig"
739
740source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
741
742# clients
743comment "DMA Clients"
744	depends on DMA_ENGINE
745
746config ASYNC_TX_DMA
747	bool "Async_tx: Offload support for the async_tx api"
748	depends on DMA_ENGINE
749	help
750	  This allows the async_tx api to take advantage of offload engines for
751	  memcpy, memset, xor, and raid6 p+q operations.  If your platform has
752	  a dma engine that can perform raid operations and you have enabled
753	  MD_RAID456 say Y.
754
755	  If unsure, say N.
756
757config DMATEST
758	tristate "DMA Test client"
759	depends on DMA_ENGINE
760	select DMA_ENGINE_RAID
761	help
762	  Simple DMA test client. Say N unless you're debugging a
763	  DMA Device driver.
764
765config DMA_ENGINE_RAID
766	bool
767
768endif
769