xref: /openbmc/linux/drivers/dma/Kconfig (revision 9221b289)
1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # DMA engine configuration
4 #
5 
6 menuconfig 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 
17 config 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 
24 config 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 
33 if DMADEVICES
34 
35 comment "DMA Devices"
36 
37 #core
38 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
39 	bool
40 
41 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
42 	bool
43 
44 config DMA_ENGINE
45 	bool
46 
47 config DMA_VIRTUAL_CHANNELS
48 	tristate
49 
50 config DMA_ACPI
51 	def_bool y
52 	depends on ACPI
53 
54 config DMA_OF
55 	def_bool y
56 	depends on OF
57 	select DMA_ENGINE
58 
59 #devices
60 config 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 
67 config 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 
78 config 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 
88 config 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 
96 config 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 
103 config 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 
110 config 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 
121 config 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 
136 config DMA_BCM2835
137 	tristate "BCM2835 DMA engine support"
138 	depends on ARCH_BCM2835
139 	select DMA_ENGINE
140 	select DMA_VIRTUAL_CHANNELS
141 
142 config 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 
152 config 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 
162 config 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 
172 config 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 
181 config DW_AXI_DMAC
182 	tristate "Synopsys DesignWare AXI DMA support"
183 	depends on OF || COMPILE_TEST
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 
192 config 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 
199 config 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 
210 config 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 
220 config 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 
234 config 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 
245 config 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 
254 config 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 
263 config 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 
271 config 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 
280 config 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 
288 config INTEL_IDXD_BUS
289 	tristate
290 	default INTEL_IDXD
291 
292 config 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 
307 config 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.
326 config 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 
334 config 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 
346 config 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 
360 config 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 
368 config 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 
377 config 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 
386 config 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 
397 config 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 
407 config 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 
417 config 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 
424 config 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 
433 config 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 
443 config 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 
450 config 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 
459 config 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 
473 config 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 
482 config 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 
491 config 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 
501 config 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 
508 config 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 
516 config 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 
530 config 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 
539 config 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 
550 config 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 
559 config 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 
566 config 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 
580 config 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 
591 config 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 
600 config 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 
612 config 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 
620 config 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 
632 config 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 
640 config 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 
652 config 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 
664 config 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 
677 config 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 
684 config 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 
695 config 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 
706 config 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 
715 config 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 
738 config 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 
745 config 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
757 source "drivers/dma/bestcomm/Kconfig"
758 
759 source "drivers/dma/mediatek/Kconfig"
760 
761 source "drivers/dma/ptdma/Kconfig"
762 
763 source "drivers/dma/qcom/Kconfig"
764 
765 source "drivers/dma/dw/Kconfig"
766 
767 source "drivers/dma/dw-edma/Kconfig"
768 
769 source "drivers/dma/hsu/Kconfig"
770 
771 source "drivers/dma/sf-pdma/Kconfig"
772 
773 source "drivers/dma/sh/Kconfig"
774 
775 source "drivers/dma/ti/Kconfig"
776 
777 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
778 
779 source "drivers/dma/lgm/Kconfig"
780 
781 # clients
782 comment "DMA Clients"
783 	depends on DMA_ENGINE
784 
785 config 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 
796 config 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 
804 config DMA_ENGINE_RAID
805 	bool
806 
807 endif
808