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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 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 depends on PCI_MSI
289 depends on SBITMAP
290 select DMA_ENGINE
291 help
292 Enable support for the Intel(R) data accelerators present
293 in Intel Xeon CPU.
294
295 Say Y if you have such a platform.
296
297 If unsure, say N.
298
299config INTEL_IOATDMA
300 tristate "Intel I/OAT DMA support"
301 depends on PCI && X86_64
302 select DMA_ENGINE
303 select DMA_ENGINE_RAID
304 select DCA
305 help
306 Enable support for the Intel(R) I/OAT DMA engine present
307 in recent Intel Xeon chipsets.
308
309 Say Y here if you have such a chipset.
310
311 If unsure, say N.
312
313config INTEL_IOP_ADMA
314 tristate "Intel IOP32x ADMA support"
315 depends on ARCH_IOP32X || COMPILE_TEST
316 select DMA_ENGINE
317 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
318 help
319 Enable support for the Intel(R) IOP Series RAID engines.
320
321config INTEL_MIC_X100_DMA
322 tristate "Intel MIC X100 DMA Driver"
323 depends on 64BIT && X86 && INTEL_MIC_BUS
324 select DMA_ENGINE
325 help
326 This enables DMA support for the Intel Many Integrated Core
327 (MIC) family of PCIe form factor coprocessor X100 devices that
328 run a 64 bit Linux OS. This driver will be used by both MIC
329 host and card drivers.
330
331 If you are building host kernel with a MIC device or a card
332 kernel for a MIC device, then say M (recommended) or Y, else
333 say N. If unsure say N.
334
335 More information about the Intel MIC family as well as the Linux
336 OS and tools for MIC to use with this driver are available from
337 <http://software.intel.com/en-us/mic-developer>.
338
339config K3_DMA
340 tristate "Hisilicon K3 DMA support"
341 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
342 select DMA_ENGINE
343 select DMA_VIRTUAL_CHANNELS
344 help
345 Support the DMA engine for Hisilicon K3 platform
346 devices.
347
348config LPC18XX_DMAMUX
349 bool "NXP LPC18xx/43xx DMA MUX for PL080"
350 depends on ARCH_LPC18XX || COMPILE_TEST
351 depends on OF && AMBA_PL08X
352 select MFD_SYSCON
353 help
354 Enable support for DMA on NXP LPC18xx/43xx platforms
355 with PL080 and multiplexed DMA request lines.
356
357config MCF_EDMA
358 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
359 depends on M5441x || COMPILE_TEST
360 select DMA_ENGINE
361 select DMA_VIRTUAL_CHANNELS
362 help
363 Support the Freescale ColdFire eDMA engine, 64-channel
364 implementation that performs complex data transfers with
365 minimal intervention from a host processor.
366 This module can be found on Freescale ColdFire mcf5441x SoCs.
367
368config MILBEAUT_HDMAC
369 tristate "Milbeaut AHB DMA support"
370 depends on ARCH_MILBEAUT || COMPILE_TEST
371 depends on OF
372 select DMA_ENGINE
373 select DMA_VIRTUAL_CHANNELS
374 help
375 Say yes here to support the Socionext Milbeaut
376 HDMAC device.
377
378config MILBEAUT_XDMAC
379 tristate "Milbeaut AXI DMA support"
380 depends on ARCH_MILBEAUT || COMPILE_TEST
381 depends on OF
382 select DMA_ENGINE
383 select DMA_VIRTUAL_CHANNELS
384 help
385 Say yes here to support the Socionext Milbeaut
386 XDMAC device.
387
388config MMP_PDMA
389 bool "MMP PDMA support"
390 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
391 select DMA_ENGINE
392 help
393 Support the MMP PDMA engine for PXA and MMP platform.
394
395config MMP_TDMA
396 bool "MMP Two-Channel DMA support"
397 depends on ARCH_MMP || COMPILE_TEST
398 select DMA_ENGINE
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
404config MOXART_DMA
405 tristate "MOXART DMA support"
406 depends on ARCH_MOXART
407 select DMA_ENGINE
408 select DMA_VIRTUAL_CHANNELS
409 help
410 Enable support for the MOXA ART SoC DMA controller.
411
412 Say Y here if you enabled MMP ADMA, otherwise say N.
413
414config MPC512X_DMA
415 tristate "Freescale MPC512x built-in DMA engine support"
416 depends on PPC_MPC512x || PPC_MPC831x
417 select DMA_ENGINE
418 help
419 Enable support for the Freescale MPC512x built-in DMA engine.
420
421config MV_XOR
422 bool "Marvell XOR engine support"
423 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
424 select DMA_ENGINE
425 select DMA_ENGINE_RAID
426 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
427 help
428 Enable support for the Marvell XOR engine.
429
430config MV_XOR_V2
431 bool "Marvell XOR engine version 2 support "
432 depends on ARM64
433 select DMA_ENGINE
434 select DMA_ENGINE_RAID
435 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
436 select GENERIC_MSI_IRQ_DOMAIN
437 help
438 Enable support for the Marvell version 2 XOR engine.
439
440 This engine provides acceleration for copy, XOR and RAID6
441 operations, and is available on Marvell Armada 7K and 8K
442 platforms.
443
444config MXS_DMA
445 bool "MXS DMA support"
446 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
447 select STMP_DEVICE
448 select DMA_ENGINE
449 help
450 Support the MXS DMA engine. This engine including APBH-DMA
451 and APBX-DMA is integrated into some Freescale chips.
452
453config MX3_IPU
454 bool "MX3x Image Processing Unit support"
455 depends on ARCH_MXC
456 select DMA_ENGINE
457 default y
458 help
459 If you plan to use the Image Processing unit in the i.MX3x, say
460 Y here. If unsure, select Y.
461
462config MX3_IPU_IRQS
463 int "Number of dynamically mapped interrupts for IPU"
464 depends on MX3_IPU
465 range 2 137
466 default 4
467 help
468 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
469 To avoid bloating the irq_desc[] array we allocate a sufficient
470 number of IRQ slots and map them dynamically to specific sources.
471
472config NBPFAXI_DMA
473 tristate "Renesas Type-AXI NBPF DMA support"
474 select DMA_ENGINE
475 depends on ARM || COMPILE_TEST
476 help
477 Support for "Type-AXI" NBPF DMA IPs from Renesas
478
479config OWL_DMA
480 tristate "Actions Semi Owl SoCs DMA support"
481 depends on ARCH_ACTIONS
482 select DMA_ENGINE
483 select DMA_VIRTUAL_CHANNELS
484 help
485 Enable support for the Actions Semi Owl SoCs DMA controller.
486
487config PCH_DMA
488 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
489 depends on PCI && (X86_32 || COMPILE_TEST)
490 select DMA_ENGINE
491 help
492 Enable support for Intel EG20T PCH DMA engine.
493
494 This driver also can be used for LAPIS Semiconductor IOH(Input/
495 Output Hub), ML7213, ML7223 and ML7831.
496 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
497 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
498 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
499 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
500
501config PL330_DMA
502 tristate "DMA API Driver for PL330"
503 select DMA_ENGINE
504 depends on ARM_AMBA
505 help
506 Select if your platform has one or more PL330 DMACs.
507 You need to provide platform specific settings via
508 platform_data for a dma-pl330 device.
509
510config PXA_DMA
511 bool "PXA DMA support"
512 depends on (ARCH_MMP || ARCH_PXA)
513 select DMA_ENGINE
514 select DMA_VIRTUAL_CHANNELS
515 help
516 Support the DMA engine for PXA. It is also compatible with MMP PDMA
517 platform. The internal DMA IP of all PXA variants is supported, with
518 16 to 32 channels for peripheral to memory or memory to memory
519 transfers.
520
521config PLX_DMA
522 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
523 depends on PCI
524 select DMA_ENGINE
525 help
526 Some PLX ExpressLane PCI Switches support additional DMA engines.
527 These are exposed via extra functions on the switch's
528 upstream port. Each function exposes one DMA channel.
529
530config SIRF_DMA
531 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
532 depends on ARCH_SIRF
533 select DMA_ENGINE
534 help
535 Enable support for the CSR SiRFprimaII DMA engine.
536
537config STE_DMA40
538 bool "ST-Ericsson DMA40 support"
539 depends on ARCH_U8500
540 select DMA_ENGINE
541 help
542 Support for ST-Ericsson DMA40 controller
543
544config ST_FDMA
545 tristate "ST FDMA dmaengine support"
546 depends on ARCH_STI
547 depends on REMOTEPROC
548 select ST_SLIM_REMOTEPROC
549 select DMA_ENGINE
550 select DMA_VIRTUAL_CHANNELS
551 help
552 Enable support for ST FDMA controller.
553 It supports 16 independent DMA channels, accepts up to 32 DMA requests
554
555 Say Y here if you have such a chipset.
556 If unsure, say N.
557
558config STM32_DMA
559 bool "STMicroelectronics STM32 DMA support"
560 depends on ARCH_STM32 || COMPILE_TEST
561 select DMA_ENGINE
562 select DMA_VIRTUAL_CHANNELS
563 help
564 Enable support for the on-chip DMA controller on STMicroelectronics
565 STM32 MCUs.
566 If you have a board based on such a MCU and wish to use DMA say Y
567 here.
568
569config STM32_DMAMUX
570 bool "STMicroelectronics STM32 dma multiplexer support"
571 depends on STM32_DMA || COMPILE_TEST
572 help
573 Enable support for the on-chip DMA multiplexer on STMicroelectronics
574 STM32 MCUs.
575 If you have a board based on such a MCU and wish to use DMAMUX say Y
576 here.
577
578config STM32_MDMA
579 bool "STMicroelectronics STM32 master dma support"
580 depends on ARCH_STM32 || COMPILE_TEST
581 depends on OF
582 select DMA_ENGINE
583 select DMA_VIRTUAL_CHANNELS
584 help
585 Enable support for the on-chip MDMA controller on STMicroelectronics
586 STM32 platforms.
587 If you have a board based on STM32 SoC and wish to use the master DMA
588 say Y here.
589
590config SPRD_DMA
591 tristate "Spreadtrum DMA support"
592 depends on ARCH_SPRD || COMPILE_TEST
593 select DMA_ENGINE
594 select DMA_VIRTUAL_CHANNELS
595 help
596 Enable support for the on-chip DMA controller on Spreadtrum platform.
597
598config S3C24XX_DMAC
599 bool "Samsung S3C24XX DMA support"
600 depends on ARCH_S3C24XX || COMPILE_TEST
601 select DMA_ENGINE
602 select DMA_VIRTUAL_CHANNELS
603 help
604 Support for the Samsung S3C24XX DMA controller driver. The
605 DMA controller is having multiple DMA channels which can be
606 configured for different peripherals like audio, UART, SPI.
607 The DMA controller can transfer data from memory to peripheral,
608 periphal to memory, periphal to periphal and memory to memory.
609
610config TXX9_DMAC
611 tristate "Toshiba TXx9 SoC DMA support"
612 depends on MACH_TX49XX || MACH_TX39XX
613 select DMA_ENGINE
614 help
615 Support the TXx9 SoC internal DMA controller. This can be
616 integrated in chips such as the Toshiba TX4927/38/39.
617
618config TEGRA20_APB_DMA
619 tristate "NVIDIA Tegra20 APB DMA support"
620 depends on ARCH_TEGRA || COMPILE_TEST
621 select DMA_ENGINE
622 help
623 Support for the NVIDIA Tegra20 APB DMA controller driver. The
624 DMA controller is having multiple DMA channel which can be
625 configured for different peripherals like audio, UART, SPI,
626 I2C etc which is in APB bus.
627 This DMA controller transfers data from memory to peripheral fifo
628 or vice versa. It does not support memory to memory data transfer.
629
630config TEGRA210_ADMA
631 tristate "NVIDIA Tegra210 ADMA support"
632 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
633 select DMA_ENGINE
634 select DMA_VIRTUAL_CHANNELS
635 help
636 Support for the NVIDIA Tegra210 ADMA controller driver. The
637 DMA controller has multiple DMA channels and is used to service
638 various audio clients in the Tegra210 audio processing engine
639 (APE). This DMA controller transfers data from memory to
640 peripheral and vice versa. It does not support memory to
641 memory data transfer.
642
643config TIMB_DMA
644 tristate "Timberdale FPGA DMA support"
645 depends on MFD_TIMBERDALE || COMPILE_TEST
646 select DMA_ENGINE
647 help
648 Enable support for the Timberdale FPGA DMA engine.
649
650config UNIPHIER_MDMAC
651 tristate "UniPhier MIO DMAC"
652 depends on ARCH_UNIPHIER || COMPILE_TEST
653 depends on OF
654 select DMA_ENGINE
655 select DMA_VIRTUAL_CHANNELS
656 help
657 Enable support for the MIO DMAC (Media I/O DMA controller) on the
658 UniPhier platform. This DMA controller is used as the external
659 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
660
661config UNIPHIER_XDMAC
662 tristate "UniPhier XDMAC support"
663 depends on ARCH_UNIPHIER || COMPILE_TEST
664 depends on OF
665 select DMA_ENGINE
666 select DMA_VIRTUAL_CHANNELS
667 help
668 Enable support for the XDMAC (external DMA controller) on the
669 UniPhier platform. This DMA controller can transfer data from
670 memory to memory, memory to peripheral and peripheral to memory.
671
672config XGENE_DMA
673 tristate "APM X-Gene DMA support"
674 depends on ARCH_XGENE || COMPILE_TEST
675 select DMA_ENGINE
676 select DMA_ENGINE_RAID
677 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
678 help
679 Enable support for the APM X-Gene SoC DMA engine.
680
681config XILINX_DMA
682 tristate "Xilinx AXI DMAS Engine"
683 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
684 select DMA_ENGINE
685 help
686 Enable support for Xilinx AXI VDMA Soft IP.
687
688 AXI VDMA engine provides high-bandwidth direct memory access
689 between memory and AXI4-Stream video type target
690 peripherals including peripherals which support AXI4-
691 Stream Video Protocol. It has two stream interfaces/
692 channels, Memory Mapped to Stream (MM2S) and Stream to
693 Memory Mapped (S2MM) for the data transfers.
694 AXI CDMA engine provides high-bandwidth direct memory access
695 between a memory-mapped source address and a memory-mapped
696 destination address.
697 AXI DMA engine provides high-bandwidth one dimensional direct
698 memory access between memory and AXI4-Stream target peripherals.
699 AXI MCDMA engine provides high-bandwidth direct memory access
700 between memory and AXI4-Stream target peripherals. It provides
701 the scatter gather interface with multiple channels independent
702 configuration support.
703
704config XILINX_ZYNQMP_DMA
705 tristate "Xilinx ZynqMP DMA Engine"
706 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
707 select DMA_ENGINE
708 help
709 Enable support for Xilinx ZynqMP DMA controller.
710
711config XILINX_ZYNQMP_DPDMA
712 tristate "Xilinx DPDMA Engine"
713 select DMA_ENGINE
714 select DMA_VIRTUAL_CHANNELS
715 help
716 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
717 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
718 driver provides the dmaengine required by the DisplayPort subsystem
719 display driver.
720
721config ZX_DMA
722 tristate "ZTE ZX DMA support"
723 depends on ARCH_ZX || COMPILE_TEST
724 select DMA_ENGINE
725 select DMA_VIRTUAL_CHANNELS
726 help
727 Support the DMA engine for ZTE ZX family platform devices.
728
729
730# driver files
731source "drivers/dma/bestcomm/Kconfig"
732
733source "drivers/dma/mediatek/Kconfig"
734
735source "drivers/dma/qcom/Kconfig"
736
737source "drivers/dma/dw/Kconfig"
738
739source "drivers/dma/dw-edma/Kconfig"
740
741source "drivers/dma/hsu/Kconfig"
742
743source "drivers/dma/sf-pdma/Kconfig"
744
745source "drivers/dma/sh/Kconfig"
746
747source "drivers/dma/ti/Kconfig"
748
749source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
750
751# clients
752comment "DMA Clients"
753 depends on DMA_ENGINE
754
755config ASYNC_TX_DMA
756 bool "Async_tx: Offload support for the async_tx api"
757 depends on DMA_ENGINE
758 help
759 This allows the async_tx api to take advantage of offload engines for
760 memcpy, memset, xor, and raid6 p+q operations. If your platform has
761 a dma engine that can perform raid operations and you have enabled
762 MD_RAID456 say Y.
763
764 If unsure, say N.
765
766config DMATEST
767 tristate "DMA Test client"
768 depends on DMA_ENGINE
769 select DMA_ENGINE_RAID
770 help
771 Simple DMA test client. Say N unless you're debugging a
772 DMA Device driver.
773
774config DMA_ENGINE_RAID
775 bool
776
777endif
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 AT_HDMAC
89 tristate "Atmel AHB DMA support"
90 depends on ARCH_AT91
91 select DMA_ENGINE
92 help
93 Support the Atmel AHB DMA controller.
94
95config AT_XDMAC
96 tristate "Atmel XDMA support"
97 depends on ARCH_AT91
98 select DMA_ENGINE
99 help
100 Support the Atmel XDMA controller.
101
102config AXI_DMAC
103 tristate "Analog Devices AXI-DMAC DMA support"
104 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
105 select DMA_ENGINE
106 select DMA_VIRTUAL_CHANNELS
107 select REGMAP_MMIO
108 help
109 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
110 controller is often used in Analog Devices' reference designs for FPGA
111 platforms.
112
113config BCM_SBA_RAID
114 tristate "Broadcom SBA RAID engine support"
115 depends on ARM64 || COMPILE_TEST
116 depends on MAILBOX && RAID6_PQ
117 select DMA_ENGINE
118 select DMA_ENGINE_RAID
119 select ASYNC_TX_DISABLE_XOR_VAL_DMA
120 select ASYNC_TX_DISABLE_PQ_VAL_DMA
121 default m if ARCH_BCM_IPROC
122 help
123 Enable support for Broadcom SBA RAID Engine. The SBA RAID
124 engine is available on most of the Broadcom iProc SoCs. It
125 has the capability to offload memcpy, xor and pq computation
126 for raid5/6.
127
128config DMA_BCM2835
129 tristate "BCM2835 DMA engine support"
130 depends on ARCH_BCM2835
131 select DMA_ENGINE
132 select DMA_VIRTUAL_CHANNELS
133
134config DMA_JZ4780
135 tristate "JZ4780 DMA support"
136 depends on MIPS || COMPILE_TEST
137 select DMA_ENGINE
138 select DMA_VIRTUAL_CHANNELS
139 help
140 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
141 If you have a board based on such a SoC and wish to use DMA for
142 devices which can use the DMA controller, say Y or M here.
143
144config DMA_SA11X0
145 tristate "SA-11x0 DMA support"
146 depends on ARCH_SA1100 || COMPILE_TEST
147 select DMA_ENGINE
148 select DMA_VIRTUAL_CHANNELS
149 help
150 Support the DMA engine found on Intel StrongARM SA-1100 and
151 SA-1110 SoCs. This DMA engine can only be used with on-chip
152 devices.
153
154config DMA_SUN4I
155 tristate "Allwinner A10 DMA SoCs support"
156 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
157 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
158 select DMA_ENGINE
159 select DMA_VIRTUAL_CHANNELS
160 help
161 Enable support for the DMA controller present in the sun4i,
162 sun5i and sun7i Allwinner ARM SoCs.
163
164config DMA_SUN6I
165 tristate "Allwinner A31 SoCs DMA support"
166 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
167 depends on RESET_CONTROLLER
168 select DMA_ENGINE
169 select DMA_VIRTUAL_CHANNELS
170 help
171 Support for the DMA engine first found in Allwinner A31 SoCs.
172
173config DW_AXI_DMAC
174 tristate "Synopsys DesignWare AXI DMA support"
175 depends on OF || COMPILE_TEST
176 depends on HAS_IOMEM
177 select DMA_ENGINE
178 select DMA_VIRTUAL_CHANNELS
179 help
180 Enable support for Synopsys DesignWare AXI DMA controller.
181 NOTE: This driver wasn't tested on 64 bit platform because
182 of lack 64 bit platform with Synopsys DW AXI DMAC.
183
184config EP93XX_DMA
185 bool "Cirrus Logic EP93xx DMA support"
186 depends on ARCH_EP93XX || COMPILE_TEST
187 select DMA_ENGINE
188 help
189 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
190
191config FSL_DMA
192 tristate "Freescale Elo series DMA support"
193 depends on FSL_SOC
194 select DMA_ENGINE
195 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
196 help
197 Enable support for the Freescale Elo series DMA controllers.
198 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
199 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
200 some Txxx and Bxxx parts.
201
202config FSL_EDMA
203 tristate "Freescale eDMA engine support"
204 depends on OF
205 select DMA_ENGINE
206 select DMA_VIRTUAL_CHANNELS
207 help
208 Support the Freescale eDMA engine with programmable channel
209 multiplexing capability for DMA request sources(slot).
210 This module can be found on Freescale Vybrid and LS-1 SoCs.
211
212config FSL_QDMA
213 tristate "NXP Layerscape qDMA engine support"
214 depends on ARM || ARM64
215 select DMA_ENGINE
216 select DMA_VIRTUAL_CHANNELS
217 select DMA_ENGINE_RAID
218 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
219 help
220 Support the NXP Layerscape qDMA engine with command queue and legacy mode.
221 Channel virtualization is supported through enqueuing of DMA jobs to,
222 or dequeuing DMA jobs from, different work queues.
223 This module can be found on NXP Layerscape SoCs.
224 The qdma driver only work on SoCs with a DPAA hardware block.
225
226config FSL_RAID
227 tristate "Freescale RAID engine Support"
228 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
229 select DMA_ENGINE
230 select DMA_ENGINE_RAID
231 help
232 Enable support for Freescale RAID Engine. RAID Engine is
233 available on some QorIQ SoCs (like P5020/P5040). It has
234 the capability to offload memcpy, xor and pq computation
235 for raid5/6.
236
237config HISI_DMA
238 tristate "HiSilicon DMA Engine support"
239 depends on ARM64 || COMPILE_TEST
240 depends on PCI_MSI
241 select DMA_ENGINE
242 select DMA_VIRTUAL_CHANNELS
243 help
244 Support HiSilicon Kunpeng DMA engine.
245
246config IMG_MDC_DMA
247 tristate "IMG MDC support"
248 depends on MIPS || COMPILE_TEST
249 depends on MFD_SYSCON
250 select DMA_ENGINE
251 select DMA_VIRTUAL_CHANNELS
252 help
253 Enable support for the IMG multi-threaded DMA controller (MDC).
254
255config IMX_DMA
256 tristate "i.MX DMA support"
257 depends on ARCH_MXC
258 select DMA_ENGINE
259 help
260 Support the i.MX DMA engine. This engine is integrated into
261 Freescale i.MX1/21/27 chips.
262
263config IMX_SDMA
264 tristate "i.MX SDMA support"
265 depends on ARCH_MXC
266 select DMA_ENGINE
267 select DMA_VIRTUAL_CHANNELS
268 help
269 Support the i.MX SDMA engine. This engine is integrated into
270 Freescale i.MX25/31/35/51/53/6 chips.
271
272config INTEL_IDMA64
273 tristate "Intel integrated DMA 64-bit support"
274 select DMA_ENGINE
275 select DMA_VIRTUAL_CHANNELS
276 help
277 Enable DMA support for Intel Low Power Subsystem such as found on
278 Intel Skylake PCH.
279
280config INTEL_IDXD
281 tristate "Intel Data Accelerators support"
282 depends on PCI && X86_64 && !UML
283 depends on PCI_MSI
284 depends on SBITMAP
285 select DMA_ENGINE
286 help
287 Enable support for the Intel(R) data accelerators present
288 in Intel Xeon CPU.
289
290 Say Y if you have such a platform.
291
292 If unsure, say N.
293
294# Config symbol that collects all the dependencies that's necessary to
295# support shared virtual memory for the devices supported by idxd.
296config INTEL_IDXD_SVM
297 bool "Accelerator Shared Virtual Memory Support"
298 depends on INTEL_IDXD
299 depends on INTEL_IOMMU_SVM
300 depends on PCI_PRI
301 depends on PCI_PASID
302 depends on PCI_IOV
303
304config INTEL_IDXD_PERFMON
305 bool "Intel Data Accelerators performance monitor support"
306 depends on INTEL_IDXD
307 help
308 Enable performance monitor (pmu) support for the Intel(R)
309 data accelerators present in Intel Xeon CPU. With this
310 enabled, perf can be used to monitor the DSA (Intel Data
311 Streaming Accelerator) events described in the Intel DSA
312 spec.
313
314 If unsure, say N.
315
316config INTEL_IOATDMA
317 tristate "Intel I/OAT DMA support"
318 depends on PCI && X86_64 && !UML
319 select DMA_ENGINE
320 select DMA_ENGINE_RAID
321 select DCA
322 help
323 Enable support for the Intel(R) I/OAT DMA engine present
324 in recent Intel Xeon chipsets.
325
326 Say Y here if you have such a chipset.
327
328 If unsure, say N.
329
330config INTEL_IOP_ADMA
331 tristate "Intel IOP32x ADMA support"
332 depends on ARCH_IOP32X || COMPILE_TEST
333 select DMA_ENGINE
334 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
335 help
336 Enable support for the Intel(R) IOP Series RAID engines.
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 tristate "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 tristate "MMP Two-Channel DMA support"
396 depends on ARCH_MMP || COMPILE_TEST
397 select DMA_ENGINE
398 select GENERIC_ALLOCATOR
399 help
400 Support the MMP Two-Channel DMA engine.
401 This engine used for MMP Audio DMA and pxa910 SQU.
402
403config MOXART_DMA
404 tristate "MOXART DMA support"
405 depends on ARCH_MOXART
406 select DMA_ENGINE
407 select DMA_VIRTUAL_CHANNELS
408 help
409 Enable support for the MOXA ART SoC DMA controller.
410
411 Say Y here if you enabled MMP ADMA, otherwise say N.
412
413config MPC512X_DMA
414 tristate "Freescale MPC512x built-in DMA engine support"
415 depends on PPC_MPC512x || PPC_MPC831x
416 select DMA_ENGINE
417 help
418 Enable support for the Freescale MPC512x built-in DMA engine.
419
420config MV_XOR
421 bool "Marvell XOR engine support"
422 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
423 select DMA_ENGINE
424 select DMA_ENGINE_RAID
425 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
426 help
427 Enable support for the Marvell XOR engine.
428
429config MV_XOR_V2
430 bool "Marvell XOR engine version 2 support "
431 depends on ARM64
432 select DMA_ENGINE
433 select DMA_ENGINE_RAID
434 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
435 select GENERIC_MSI_IRQ_DOMAIN
436 help
437 Enable support for the Marvell version 2 XOR engine.
438
439 This engine provides acceleration for copy, XOR and RAID6
440 operations, and is available on Marvell Armada 7K and 8K
441 platforms.
442
443config MXS_DMA
444 bool "MXS DMA support"
445 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
446 select STMP_DEVICE
447 select DMA_ENGINE
448 help
449 Support the MXS DMA engine. This engine including APBH-DMA
450 and APBX-DMA is integrated into some Freescale chips.
451
452config MX3_IPU
453 bool "MX3x Image Processing Unit support"
454 depends on ARCH_MXC
455 select DMA_ENGINE
456 default y
457 help
458 If you plan to use the Image Processing unit in the i.MX3x, say
459 Y here. If unsure, select Y.
460
461config MX3_IPU_IRQS
462 int "Number of dynamically mapped interrupts for IPU"
463 depends on MX3_IPU
464 range 2 137
465 default 4
466 help
467 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
468 To avoid bloating the irq_desc[] array we allocate a sufficient
469 number of IRQ slots and map them dynamically to specific sources.
470
471config NBPFAXI_DMA
472 tristate "Renesas Type-AXI NBPF DMA support"
473 select DMA_ENGINE
474 depends on ARM || COMPILE_TEST
475 help
476 Support for "Type-AXI" NBPF DMA IPs from Renesas
477
478config OWL_DMA
479 tristate "Actions Semi Owl SoCs DMA support"
480 depends on ARCH_ACTIONS
481 select DMA_ENGINE
482 select DMA_VIRTUAL_CHANNELS
483 help
484 Enable support for the Actions Semi Owl SoCs DMA controller.
485
486config PCH_DMA
487 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
488 depends on PCI && (X86_32 || COMPILE_TEST)
489 select DMA_ENGINE
490 help
491 Enable support for Intel EG20T PCH DMA engine.
492
493 This driver also can be used for LAPIS Semiconductor IOH(Input/
494 Output Hub), ML7213, ML7223 and ML7831.
495 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
496 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
497 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
498 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
499
500config PL330_DMA
501 tristate "DMA API Driver for PL330"
502 select DMA_ENGINE
503 depends on ARM_AMBA
504 help
505 Select if your platform has one or more PL330 DMACs.
506 You need to provide platform specific settings via
507 platform_data for a dma-pl330 device.
508
509config PXA_DMA
510 bool "PXA DMA support"
511 depends on (ARCH_MMP || ARCH_PXA)
512 select DMA_ENGINE
513 select DMA_VIRTUAL_CHANNELS
514 help
515 Support the DMA engine for PXA. It is also compatible with MMP PDMA
516 platform. The internal DMA IP of all PXA variants is supported, with
517 16 to 32 channels for peripheral to memory or memory to memory
518 transfers.
519
520config PLX_DMA
521 tristate "PLX ExpressLane PEX Switch DMA Engine Support"
522 depends on PCI
523 select DMA_ENGINE
524 help
525 Some PLX ExpressLane PCI Switches support additional DMA engines.
526 These are exposed via extra functions on the switch's
527 upstream port. Each function exposes one DMA channel.
528
529config STE_DMA40
530 bool "ST-Ericsson DMA40 support"
531 depends on ARCH_U8500
532 select DMA_ENGINE
533 help
534 Support for ST-Ericsson DMA40 controller
535
536config ST_FDMA
537 tristate "ST FDMA dmaengine support"
538 depends on ARCH_STI
539 depends on REMOTEPROC
540 select ST_SLIM_REMOTEPROC
541 select DMA_ENGINE
542 select DMA_VIRTUAL_CHANNELS
543 help
544 Enable support for ST FDMA controller.
545 It supports 16 independent DMA channels, accepts up to 32 DMA requests
546
547 Say Y here if you have such a chipset.
548 If unsure, say N.
549
550config STM32_DMA
551 bool "STMicroelectronics STM32 DMA support"
552 depends on ARCH_STM32 || COMPILE_TEST
553 select DMA_ENGINE
554 select DMA_VIRTUAL_CHANNELS
555 help
556 Enable support for the on-chip DMA controller on STMicroelectronics
557 STM32 MCUs.
558 If you have a board based on such a MCU and wish to use DMA say Y
559 here.
560
561config STM32_DMAMUX
562 bool "STMicroelectronics STM32 dma multiplexer support"
563 depends on STM32_DMA || COMPILE_TEST
564 help
565 Enable support for the on-chip DMA multiplexer on STMicroelectronics
566 STM32 MCUs.
567 If you have a board based on such a MCU and wish to use DMAMUX say Y
568 here.
569
570config STM32_MDMA
571 bool "STMicroelectronics STM32 master dma support"
572 depends on ARCH_STM32 || COMPILE_TEST
573 depends on OF
574 select DMA_ENGINE
575 select DMA_VIRTUAL_CHANNELS
576 help
577 Enable support for the on-chip MDMA controller on STMicroelectronics
578 STM32 platforms.
579 If you have a board based on STM32 SoC and wish to use the master DMA
580 say Y here.
581
582config SPRD_DMA
583 tristate "Spreadtrum DMA support"
584 depends on ARCH_SPRD || COMPILE_TEST
585 select DMA_ENGINE
586 select DMA_VIRTUAL_CHANNELS
587 help
588 Enable support for the on-chip DMA controller on Spreadtrum platform.
589
590config S3C24XX_DMAC
591 bool "Samsung S3C24XX DMA support"
592 depends on ARCH_S3C24XX || COMPILE_TEST
593 select DMA_ENGINE
594 select DMA_VIRTUAL_CHANNELS
595 help
596 Support for the Samsung S3C24XX DMA controller driver. The
597 DMA controller is having multiple DMA channels which can be
598 configured for different peripherals like audio, UART, SPI.
599 The DMA controller can transfer data from memory to peripheral,
600 periphal to memory, periphal to periphal and memory to memory.
601
602config TXX9_DMAC
603 tristate "Toshiba TXx9 SoC DMA support"
604 depends on MACH_TX49XX || MACH_TX39XX
605 select DMA_ENGINE
606 help
607 Support the TXx9 SoC internal DMA controller. This can be
608 integrated in chips such as the Toshiba TX4927/38/39.
609
610config TEGRA20_APB_DMA
611 tristate "NVIDIA Tegra20 APB DMA support"
612 depends on ARCH_TEGRA || COMPILE_TEST
613 select DMA_ENGINE
614 help
615 Support for the NVIDIA Tegra20 APB DMA controller driver. The
616 DMA controller is having multiple DMA channel which can be
617 configured for different peripherals like audio, UART, SPI,
618 I2C etc which is in APB bus.
619 This DMA controller transfers data from memory to peripheral fifo
620 or vice versa. It does not support memory to memory data transfer.
621
622config TEGRA210_ADMA
623 tristate "NVIDIA Tegra210 ADMA support"
624 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
625 select DMA_ENGINE
626 select DMA_VIRTUAL_CHANNELS
627 help
628 Support for the NVIDIA Tegra210 ADMA controller driver. The
629 DMA controller has multiple DMA channels and is used to service
630 various audio clients in the Tegra210 audio processing engine
631 (APE). This DMA controller transfers data from memory to
632 peripheral and vice versa. It does not support memory to
633 memory data transfer.
634
635config TIMB_DMA
636 tristate "Timberdale FPGA DMA support"
637 depends on MFD_TIMBERDALE || COMPILE_TEST
638 select DMA_ENGINE
639 help
640 Enable support for the Timberdale FPGA DMA engine.
641
642config UNIPHIER_MDMAC
643 tristate "UniPhier MIO DMAC"
644 depends on ARCH_UNIPHIER || COMPILE_TEST
645 depends on OF
646 select DMA_ENGINE
647 select DMA_VIRTUAL_CHANNELS
648 help
649 Enable support for the MIO DMAC (Media I/O DMA controller) on the
650 UniPhier platform. This DMA controller is used as the external
651 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
652
653config UNIPHIER_XDMAC
654 tristate "UniPhier XDMAC support"
655 depends on ARCH_UNIPHIER || COMPILE_TEST
656 depends on OF
657 select DMA_ENGINE
658 select DMA_VIRTUAL_CHANNELS
659 help
660 Enable support for the XDMAC (external DMA controller) on the
661 UniPhier platform. This DMA controller can transfer data from
662 memory to memory, memory to peripheral and peripheral to memory.
663
664config XGENE_DMA
665 tristate "APM X-Gene DMA support"
666 depends on ARCH_XGENE || COMPILE_TEST
667 select DMA_ENGINE
668 select DMA_ENGINE_RAID
669 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
670 help
671 Enable support for the APM X-Gene SoC DMA engine.
672
673config XILINX_DMA
674 tristate "Xilinx AXI DMAS Engine"
675 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
676 select DMA_ENGINE
677 help
678 Enable support for Xilinx AXI VDMA Soft IP.
679
680 AXI VDMA engine provides high-bandwidth direct memory access
681 between memory and AXI4-Stream video type target
682 peripherals including peripherals which support AXI4-
683 Stream Video Protocol. It has two stream interfaces/
684 channels, Memory Mapped to Stream (MM2S) and Stream to
685 Memory Mapped (S2MM) for the data transfers.
686 AXI CDMA engine provides high-bandwidth direct memory access
687 between a memory-mapped source address and a memory-mapped
688 destination address.
689 AXI DMA engine provides high-bandwidth one dimensional direct
690 memory access between memory and AXI4-Stream target peripherals.
691 AXI MCDMA engine provides high-bandwidth direct memory access
692 between memory and AXI4-Stream target peripherals. It provides
693 the scatter gather interface with multiple channels independent
694 configuration support.
695
696config XILINX_ZYNQMP_DMA
697 tristate "Xilinx ZynqMP DMA Engine"
698 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
699 select DMA_ENGINE
700 help
701 Enable support for Xilinx ZynqMP DMA controller.
702
703config XILINX_ZYNQMP_DPDMA
704 tristate "Xilinx DPDMA Engine"
705 depends on HAS_IOMEM && OF
706 select DMA_ENGINE
707 select DMA_VIRTUAL_CHANNELS
708 help
709 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
710 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
711 driver provides the dmaengine required by the DisplayPort subsystem
712 display driver.
713
714# driver files
715source "drivers/dma/bestcomm/Kconfig"
716
717source "drivers/dma/mediatek/Kconfig"
718
719source "drivers/dma/qcom/Kconfig"
720
721source "drivers/dma/dw/Kconfig"
722
723source "drivers/dma/dw-edma/Kconfig"
724
725source "drivers/dma/hsu/Kconfig"
726
727source "drivers/dma/sf-pdma/Kconfig"
728
729source "drivers/dma/sh/Kconfig"
730
731source "drivers/dma/ti/Kconfig"
732
733source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
734
735source "drivers/dma/lgm/Kconfig"
736
737# clients
738comment "DMA Clients"
739 depends on DMA_ENGINE
740
741config ASYNC_TX_DMA
742 bool "Async_tx: Offload support for the async_tx api"
743 depends on DMA_ENGINE
744 help
745 This allows the async_tx api to take advantage of offload engines for
746 memcpy, memset, xor, and raid6 p+q operations. If your platform has
747 a dma engine that can perform raid operations and you have enabled
748 MD_RAID456 say Y.
749
750 If unsure, say N.
751
752config DMATEST
753 tristate "DMA Test client"
754 depends on DMA_ENGINE
755 select DMA_ENGINE_RAID
756 help
757 Simple DMA test client. Say N unless you're debugging a
758 DMA Device driver.
759
760config DMA_ENGINE_RAID
761 bool
762
763endif