tjh.dev
Linux kernel mirror (for testing)
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linux
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 && PCI_MSI)
245 select DMA_ENGINE
246 select DMA_VIRTUAL_CHANNELS
247 help
248 Support HiSilicon Kunpeng DMA engine.
249
250config IMG_MDC_DMA
251 tristate "IMG MDC support"
252 depends on MIPS || COMPILE_TEST
253 depends on MFD_SYSCON
254 select DMA_ENGINE
255 select DMA_VIRTUAL_CHANNELS
256 help
257 Enable support for the IMG multi-threaded DMA controller (MDC).
258
259config IMX_DMA
260 tristate "i.MX DMA support"
261 depends on ARCH_MXC
262 select DMA_ENGINE
263 help
264 Support the i.MX DMA engine. This engine is integrated into
265 Freescale i.MX1/21/27 chips.
266
267config IMX_SDMA
268 tristate "i.MX SDMA support"
269 depends on ARCH_MXC
270 select DMA_ENGINE
271 select DMA_VIRTUAL_CHANNELS
272 help
273 Support the i.MX SDMA engine. This engine is integrated into
274 Freescale i.MX25/31/35/51/53/6 chips.
275
276config INTEL_IDMA64
277 tristate "Intel integrated DMA 64-bit support"
278 select DMA_ENGINE
279 select DMA_VIRTUAL_CHANNELS
280 help
281 Enable DMA support for Intel Low Power Subsystem such as found on
282 Intel Skylake PCH.
283
284config INTEL_IDXD
285 tristate "Intel Data Accelerators support"
286 depends on PCI && X86_64
287 select DMA_ENGINE
288 select SBITMAP
289 help
290 Enable support for the Intel(R) data accelerators present
291 in Intel Xeon CPU.
292
293 Say Y if you have such a platform.
294
295 If unsure, say N.
296
297config INTEL_IOATDMA
298 tristate "Intel I/OAT DMA support"
299 depends on PCI && X86_64
300 select DMA_ENGINE
301 select DMA_ENGINE_RAID
302 select DCA
303 help
304 Enable support for the Intel(R) I/OAT DMA engine present
305 in recent Intel Xeon chipsets.
306
307 Say Y here if you have such a chipset.
308
309 If unsure, say N.
310
311config INTEL_IOP_ADMA
312 tristate "Intel IOP32x ADMA support"
313 depends on ARCH_IOP32X || COMPILE_TEST
314 select DMA_ENGINE
315 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
316 help
317 Enable support for the Intel(R) IOP Series RAID engines.
318
319config INTEL_MIC_X100_DMA
320 tristate "Intel MIC X100 DMA Driver"
321 depends on 64BIT && X86 && INTEL_MIC_BUS
322 select DMA_ENGINE
323 help
324 This enables DMA support for the Intel Many Integrated Core
325 (MIC) family of PCIe form factor coprocessor X100 devices that
326 run a 64 bit Linux OS. This driver will be used by both MIC
327 host and card drivers.
328
329 If you are building host kernel with a MIC device or a card
330 kernel for a MIC device, then say M (recommended) or Y, else
331 say N. If unsure say N.
332
333 More information about the Intel MIC family as well as the Linux
334 OS and tools for MIC to use with this driver are available from
335 <http://software.intel.com/en-us/mic-developer>.
336
337config K3_DMA
338 tristate "Hisilicon K3 DMA support"
339 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
340 select DMA_ENGINE
341 select DMA_VIRTUAL_CHANNELS
342 help
343 Support the DMA engine for Hisilicon K3 platform
344 devices.
345
346config LPC18XX_DMAMUX
347 bool "NXP LPC18xx/43xx DMA MUX for PL080"
348 depends on ARCH_LPC18XX || COMPILE_TEST
349 depends on OF && AMBA_PL08X
350 select MFD_SYSCON
351 help
352 Enable support for DMA on NXP LPC18xx/43xx platforms
353 with PL080 and multiplexed DMA request lines.
354
355config MCF_EDMA
356 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
357 depends on M5441x || COMPILE_TEST
358 select DMA_ENGINE
359 select DMA_VIRTUAL_CHANNELS
360 help
361 Support the Freescale ColdFire eDMA engine, 64-channel
362 implementation that performs complex data transfers with
363 minimal intervention from a host processor.
364 This module can be found on Freescale ColdFire mcf5441x SoCs.
365
366config MILBEAUT_HDMAC
367 tristate "Milbeaut AHB DMA support"
368 depends on ARCH_MILBEAUT || COMPILE_TEST
369 depends on OF
370 select DMA_ENGINE
371 select DMA_VIRTUAL_CHANNELS
372 help
373 Say yes here to support the Socionext Milbeaut
374 HDMAC device.
375
376config MILBEAUT_XDMAC
377 tristate "Milbeaut AXI DMA support"
378 depends on ARCH_MILBEAUT || COMPILE_TEST
379 depends on OF
380 select DMA_ENGINE
381 select DMA_VIRTUAL_CHANNELS
382 help
383 Say yes here to support the Socionext Milbeaut
384 XDMAC device.
385
386config MMP_PDMA
387 bool "MMP PDMA support"
388 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
389 select DMA_ENGINE
390 help
391 Support the MMP PDMA engine for PXA and MMP platform.
392
393config MMP_TDMA
394 bool "MMP Two-Channel DMA support"
395 depends on ARCH_MMP || COMPILE_TEST
396 select DMA_ENGINE
397 select MMP_SRAM if ARCH_MMP
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 It needs sram driver under mach-mmp.
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 bool "NVIDIA Tegra20 APB DMA support"
620 depends on ARCH_TEGRA
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 XGENE_DMA
662 tristate "APM X-Gene DMA support"
663 depends on ARCH_XGENE || COMPILE_TEST
664 select DMA_ENGINE
665 select DMA_ENGINE_RAID
666 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
667 help
668 Enable support for the APM X-Gene SoC DMA engine.
669
670config XILINX_DMA
671 tristate "Xilinx AXI DMAS Engine"
672 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
673 select DMA_ENGINE
674 help
675 Enable support for Xilinx AXI VDMA Soft IP.
676
677 AXI VDMA engine provides high-bandwidth direct memory access
678 between memory and AXI4-Stream video type target
679 peripherals including peripherals which support AXI4-
680 Stream Video Protocol. It has two stream interfaces/
681 channels, Memory Mapped to Stream (MM2S) and Stream to
682 Memory Mapped (S2MM) for the data transfers.
683 AXI CDMA engine provides high-bandwidth direct memory access
684 between a memory-mapped source address and a memory-mapped
685 destination address.
686 AXI DMA engine provides high-bandwidth one dimensional direct
687 memory access between memory and AXI4-Stream target peripherals.
688 AXI MCDMA engine provides high-bandwidth direct memory access
689 between memory and AXI4-Stream target peripherals. It provides
690 the scatter gather interface with multiple channels independent
691 configuration support.
692
693config XILINX_ZYNQMP_DMA
694 tristate "Xilinx ZynqMP DMA Engine"
695 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
696 select DMA_ENGINE
697 help
698 Enable support for Xilinx ZynqMP DMA controller.
699
700config ZX_DMA
701 tristate "ZTE ZX DMA support"
702 depends on ARCH_ZX || COMPILE_TEST
703 select DMA_ENGINE
704 select DMA_VIRTUAL_CHANNELS
705 help
706 Support the DMA engine for ZTE ZX family platform devices.
707
708
709# driver files
710source "drivers/dma/bestcomm/Kconfig"
711
712source "drivers/dma/mediatek/Kconfig"
713
714source "drivers/dma/qcom/Kconfig"
715
716source "drivers/dma/dw/Kconfig"
717
718source "drivers/dma/dw-edma/Kconfig"
719
720source "drivers/dma/hsu/Kconfig"
721
722source "drivers/dma/sf-pdma/Kconfig"
723
724source "drivers/dma/sh/Kconfig"
725
726source "drivers/dma/ti/Kconfig"
727
728source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
729
730# clients
731comment "DMA Clients"
732 depends on DMA_ENGINE
733
734config ASYNC_TX_DMA
735 bool "Async_tx: Offload support for the async_tx api"
736 depends on DMA_ENGINE
737 help
738 This allows the async_tx api to take advantage of offload engines for
739 memcpy, memset, xor, and raid6 p+q operations. If your platform has
740 a dma engine that can perform raid operations and you have enabled
741 MD_RAID456 say Y.
742
743 If unsure, say N.
744
745config DMATEST
746 tristate "DMA Test client"
747 depends on DMA_ENGINE
748 select DMA_ENGINE_RAID
749 help
750 Simple DMA test client. Say N unless you're debugging a
751 DMA Device driver.
752
753config DMA_ENGINE_RAID
754 bool
755
756endif