1
2
3
4
5menuconfig DMADEVICES
6 bool "DMA Engine support"
7 depends on HAS_DMA
8 help
9 DMA engines can do asynchronous data transfers without
10 involving the host CPU. Currently, this framework can be
11 used to offload memory copies in the network stack and
12 RAID operations in the MD driver. This menu only presents
13 DMA Device drivers supported by the configured arch, it may
14 be empty in some cases.
15
16config DMADEVICES_DEBUG
17 bool "DMA Engine debugging"
18 depends on DMADEVICES != n
19 help
20 This is an option for use by developers; most people should
21 say N here. This enables DMA engine core and driver debugging.
22
23config DMADEVICES_VDEBUG
24 bool "DMA Engine verbose debugging"
25 depends on DMADEVICES_DEBUG != n
26 help
27 This is an option for use by developers; most people should
28 say N here. This enables deeper (more verbose) debugging of
29 the DMA engine core and drivers.
30
31
32if DMADEVICES
33
34comment "DMA Devices"
35
36
37config ASYNC_TX_ENABLE_CHANNEL_SWITCH
38 bool
39
40config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
41 bool
42
43config DMA_ENGINE
44 bool
45
46config DMA_VIRTUAL_CHANNELS
47 tristate
48
49config DMA_ACPI
50 def_bool y
51 depends on ACPI
52
53config DMA_OF
54 def_bool y
55 depends on OF
56 select DMA_ENGINE
57
58
59config AMBA_PL08X
60 bool "ARM PrimeCell PL080 or PL081 support"
61 depends on ARM_AMBA
62 select DMA_ENGINE
63 select DMA_VIRTUAL_CHANNELS
64 help
65 Platform has a PL08x DMAC device
66 which can provide DMA engine support
67
68config AMCC_PPC440SPE_ADMA
69 tristate "AMCC PPC440SPe ADMA support"
70 depends on 440SPe || 440SP
71 select DMA_ENGINE
72 select DMA_ENGINE_RAID
73 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
74 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
75 help
76 Enable support for the AMCC PPC440SPe RAID engines.
77
78config AT_HDMAC
79 tristate "Atmel AHB DMA support"
80 depends on ARCH_AT91
81 select DMA_ENGINE
82 help
83 Support the Atmel AHB DMA controller.
84
85config AT_XDMAC
86 tristate "Atmel XDMA support"
87 depends on ARCH_AT91
88 select DMA_ENGINE
89 help
90 Support the Atmel XDMA controller.
91
92config AXI_DMAC
93 tristate "Analog Devices AXI-DMAC DMA support"
94 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
95 select DMA_ENGINE
96 select DMA_VIRTUAL_CHANNELS
97 help
98 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
99 controller is often used in Analog Device's reference designs for FPGA
100 platforms.
101
102config COH901318
103 bool "ST-Ericsson COH901318 DMA support"
104 select DMA_ENGINE
105 depends on ARCH_U300 || COMPILE_TEST
106 help
107 Enable support for ST-Ericsson COH 901 318 DMA.
108
109config DMA_BCM2835
110 tristate "BCM2835 DMA engine support"
111 depends on ARCH_BCM2835
112 select DMA_ENGINE
113 select DMA_VIRTUAL_CHANNELS
114
115config DMA_JZ4740
116 tristate "JZ4740 DMA support"
117 depends on MACH_JZ4740 || COMPILE_TEST
118 select DMA_ENGINE
119 select DMA_VIRTUAL_CHANNELS
120
121config DMA_JZ4780
122 tristate "JZ4780 DMA support"
123 depends on MACH_JZ4780 || COMPILE_TEST
124 select DMA_ENGINE
125 select DMA_VIRTUAL_CHANNELS
126 help
127 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
128 If you have a board based on such a SoC and wish to use DMA for
129 devices which can use the DMA controller, say Y or M here.
130
131config DMA_OMAP
132 tristate "OMAP DMA support"
133 depends on ARCH_OMAP || COMPILE_TEST
134 select DMA_ENGINE
135 select DMA_VIRTUAL_CHANNELS
136 select TI_DMA_CROSSBAR if (SOC_DRA7XX || COMPILE_TEST)
137
138config DMA_SA11X0
139 tristate "SA-11x0 DMA support"
140 depends on ARCH_SA1100 || COMPILE_TEST
141 select DMA_ENGINE
142 select DMA_VIRTUAL_CHANNELS
143 help
144 Support the DMA engine found on Intel StrongARM SA-1100 and
145 SA-1110 SoCs. This DMA engine can only be used with on-chip
146 devices.
147
148config DMA_SUN4I
149 tristate "Allwinner A10 DMA SoCs support"
150 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
151 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
152 select DMA_ENGINE
153 select DMA_VIRTUAL_CHANNELS
154 help
155 Enable support for the DMA controller present in the sun4i,
156 sun5i and sun7i Allwinner ARM SoCs.
157
158config DMA_SUN6I
159 tristate "Allwinner A31 SoCs DMA support"
160 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
161 depends on RESET_CONTROLLER
162 select DMA_ENGINE
163 select DMA_VIRTUAL_CHANNELS
164 help
165 Support for the DMA engine first found in Allwinner A31 SoCs.
166
167config EP93XX_DMA
168 bool "Cirrus Logic EP93xx DMA support"
169 depends on ARCH_EP93XX || COMPILE_TEST
170 select DMA_ENGINE
171 help
172 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
173
174config FSL_DMA
175 tristate "Freescale Elo series DMA support"
176 depends on FSL_SOC
177 select DMA_ENGINE
178 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
179 ---help---
180 Enable support for the Freescale Elo series DMA controllers.
181 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
182 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
183 some Txxx and Bxxx parts.
184
185config FSL_EDMA
186 tristate "Freescale eDMA engine support"
187 depends on OF
188 select DMA_ENGINE
189 select DMA_VIRTUAL_CHANNELS
190 help
191 Support the Freescale eDMA engine with programmable channel
192 multiplexing capability for DMA request sources(slot).
193 This module can be found on Freescale Vybrid and LS-1 SoCs.
194
195config FSL_RAID
196 tristate "Freescale RAID engine Support"
197 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
198 select DMA_ENGINE
199 select DMA_ENGINE_RAID
200 ---help---
201 Enable support for Freescale RAID Engine. RAID Engine is
202 available on some QorIQ SoCs (like P5020/P5040). It has
203 the capability to offload memcpy, xor and pq computation
204 for raid5/6.
205
206config IMG_MDC_DMA
207 tristate "IMG MDC support"
208 depends on MIPS || COMPILE_TEST
209 depends on MFD_SYSCON
210 select DMA_ENGINE
211 select DMA_VIRTUAL_CHANNELS
212 help
213 Enable support for the IMG multi-threaded DMA controller (MDC).
214
215config IMX_DMA
216 tristate "i.MX DMA support"
217 depends on ARCH_MXC
218 select DMA_ENGINE
219 help
220 Support the i.MX DMA engine. This engine is integrated into
221 Freescale i.MX1/21/27 chips.
222
223config IMX_SDMA
224 tristate "i.MX SDMA support"
225 depends on ARCH_MXC
226 select DMA_ENGINE
227 help
228 Support the i.MX SDMA engine. This engine is integrated into
229 Freescale i.MX25/31/35/51/53/6 chips.
230
231config INTEL_IDMA64
232 tristate "Intel integrated DMA 64-bit support"
233 select DMA_ENGINE
234 select DMA_VIRTUAL_CHANNELS
235 help
236 Enable DMA support for Intel Low Power Subsystem such as found on
237 Intel Skylake PCH.
238
239config INTEL_IOATDMA
240 tristate "Intel I/OAT DMA support"
241 depends on PCI && X86_64
242 select DMA_ENGINE
243 select DMA_ENGINE_RAID
244 select DCA
245 help
246 Enable support for the Intel(R) I/OAT DMA engine present
247 in recent Intel Xeon chipsets.
248
249 Say Y here if you have such a chipset.
250
251 If unsure, say N.
252
253config INTEL_IOP_ADMA
254 tristate "Intel IOP ADMA support"
255 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
256 select DMA_ENGINE
257 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
258 help
259 Enable support for the Intel(R) IOP Series RAID engines.
260
261config INTEL_MIC_X100_DMA
262 tristate "Intel MIC X100 DMA Driver"
263 depends on 64BIT && X86 && INTEL_MIC_BUS
264 select DMA_ENGINE
265 help
266 This enables DMA support for the Intel Many Integrated Core
267 (MIC) family of PCIe form factor coprocessor X100 devices that
268 run a 64 bit Linux OS. This driver will be used by both MIC
269 host and card drivers.
270
271 If you are building host kernel with a MIC device or a card
272 kernel for a MIC device, then say M (recommended) or Y, else
273 say N. If unsure say N.
274
275 More information about the Intel MIC family as well as the Linux
276 OS and tools for MIC to use with this driver are available from
277 <http://software.intel.com/en-us/mic-developer>.
278
279config K3_DMA
280 tristate "Hisilicon K3 DMA support"
281 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
282 select DMA_ENGINE
283 select DMA_VIRTUAL_CHANNELS
284 help
285 Support the DMA engine for Hisilicon K3 platform
286 devices.
287
288config LPC18XX_DMAMUX
289 bool "NXP LPC18xx/43xx DMA MUX for PL080"
290 depends on ARCH_LPC18XX || COMPILE_TEST
291 depends on OF && AMBA_PL08X
292 select MFD_SYSCON
293 help
294 Enable support for DMA on NXP LPC18xx/43xx platforms
295 with PL080 and multiplexed DMA request lines.
296
297config MMP_PDMA
298 bool "MMP PDMA support"
299 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
300 select DMA_ENGINE
301 help
302 Support the MMP PDMA engine for PXA and MMP platform.
303
304config MMP_TDMA
305 bool "MMP Two-Channel DMA support"
306 depends on ARCH_MMP || COMPILE_TEST
307 select DMA_ENGINE
308 select MMP_SRAM if ARCH_MMP
309 select GENERIC_ALLOCATOR
310 help
311 Support the MMP Two-Channel DMA engine.
312 This engine used for MMP Audio DMA and pxa910 SQU.
313 It needs sram driver under mach-mmp.
314
315config MOXART_DMA
316 tristate "MOXART DMA support"
317 depends on ARCH_MOXART
318 select DMA_ENGINE
319 select DMA_VIRTUAL_CHANNELS
320 help
321 Enable support for the MOXA ART SoC DMA controller.
322
323 Say Y here if you enabled MMP ADMA, otherwise say N.
324
325config MPC512X_DMA
326 tristate "Freescale MPC512x built-in DMA engine support"
327 depends on PPC_MPC512x || PPC_MPC831x
328 select DMA_ENGINE
329 ---help---
330 Enable support for the Freescale MPC512x built-in DMA engine.
331
332config MV_XOR
333 bool "Marvell XOR engine support"
334 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
335 select DMA_ENGINE
336 select DMA_ENGINE_RAID
337 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
338 ---help---
339 Enable support for the Marvell XOR engine.
340
341config MV_XOR_V2
342 bool "Marvell XOR engine version 2 support "
343 depends on ARM64
344 select DMA_ENGINE
345 select DMA_ENGINE_RAID
346 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
347 select GENERIC_MSI_IRQ_DOMAIN
348 ---help---
349 Enable support for the Marvell version 2 XOR engine.
350
351 This engine provides acceleration for copy, XOR and RAID6
352 operations, and is available on Marvell Armada 7K and 8K
353 platforms.
354
355config MXS_DMA
356 bool "MXS DMA support"
357 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL
358 select STMP_DEVICE
359 select DMA_ENGINE
360 help
361 Support the MXS DMA engine. This engine including APBH-DMA
362 and APBX-DMA is integrated into Freescale
363 i.MX23/28/MX6Q/MX6DL/MX6UL chips.
364
365config MX3_IPU
366 bool "MX3x Image Processing Unit support"
367 depends on ARCH_MXC
368 select DMA_ENGINE
369 default y
370 help
371 If you plan to use the Image Processing unit in the i.MX3x, say
372 Y here. If unsure, select Y.
373
374config MX3_IPU_IRQS
375 int "Number of dynamically mapped interrupts for IPU"
376 depends on MX3_IPU
377 range 2 137
378 default 4
379 help
380 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
381 To avoid bloating the irq_desc[] array we allocate a sufficient
382 number of IRQ slots and map them dynamically to specific sources.
383
384config NBPFAXI_DMA
385 tristate "Renesas Type-AXI NBPF DMA support"
386 select DMA_ENGINE
387 depends on ARM || COMPILE_TEST
388 help
389 Support for "Type-AXI" NBPF DMA IPs from Renesas
390
391config PCH_DMA
392 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
393 depends on PCI && (X86_32 || COMPILE_TEST)
394 select DMA_ENGINE
395 help
396 Enable support for Intel EG20T PCH DMA engine.
397
398 This driver also can be used for LAPIS Semiconductor IOH(Input/
399 Output Hub), ML7213, ML7223 and ML7831.
400 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
401 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
402 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
403 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
404
405config PL330_DMA
406 tristate "DMA API Driver for PL330"
407 select DMA_ENGINE
408 depends on ARM_AMBA
409 help
410 Select if your platform has one or more PL330 DMACs.
411 You need to provide platform specific settings via
412 platform_data for a dma-pl330 device.
413
414config PXA_DMA
415 bool "PXA DMA support"
416 depends on (ARCH_MMP || ARCH_PXA)
417 select DMA_ENGINE
418 select DMA_VIRTUAL_CHANNELS
419 help
420 Support the DMA engine for PXA. It is also compatible with MMP PDMA
421 platform. The internal DMA IP of all PXA variants is supported, with
422 16 to 32 channels for peripheral to memory or memory to memory
423 transfers.
424
425config SIRF_DMA
426 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
427 depends on ARCH_SIRF
428 select DMA_ENGINE
429 help
430 Enable support for the CSR SiRFprimaII DMA engine.
431
432config STE_DMA40
433 bool "ST-Ericsson DMA40 support"
434 depends on ARCH_U8500
435 select DMA_ENGINE
436 help
437 Support for ST-Ericsson DMA40 controller
438
439config STM32_DMA
440 bool "STMicroelectronics STM32 DMA support"
441 depends on ARCH_STM32 || COMPILE_TEST
442 select DMA_ENGINE
443 select DMA_VIRTUAL_CHANNELS
444 help
445 Enable support for the on-chip DMA controller on STMicroelectronics
446 STM32 MCUs.
447 If you have a board based on such a MCU and wish to use DMA say Y or M
448 here.
449
450config S3C24XX_DMAC
451 bool "Samsung S3C24XX DMA support"
452 depends on ARCH_S3C24XX || COMPILE_TEST
453 select DMA_ENGINE
454 select DMA_VIRTUAL_CHANNELS
455 help
456 Support for the Samsung S3C24XX DMA controller driver. The
457 DMA controller is having multiple DMA channels which can be
458 configured for different peripherals like audio, UART, SPI.
459 The DMA controller can transfer data from memory to peripheral,
460 periphal to memory, periphal to periphal and memory to memory.
461
462config TXX9_DMAC
463 tristate "Toshiba TXx9 SoC DMA support"
464 depends on MACH_TX49XX || MACH_TX39XX
465 select DMA_ENGINE
466 help
467 Support the TXx9 SoC internal DMA controller. This can be
468 integrated in chips such as the Toshiba TX4927/38/39.
469
470config TEGRA20_APB_DMA
471 bool "NVIDIA Tegra20 APB DMA support"
472 depends on ARCH_TEGRA
473 select DMA_ENGINE
474 help
475 Support for the NVIDIA Tegra20 APB DMA controller driver. The
476 DMA controller is having multiple DMA channel which can be
477 configured for different peripherals like audio, UART, SPI,
478 I2C etc which is in APB bus.
479 This DMA controller transfers data from memory to peripheral fifo
480 or vice versa. It does not support memory to memory data transfer.
481
482config TEGRA210_ADMA
483 bool "NVIDIA Tegra210 ADMA support"
484 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
485 select DMA_ENGINE
486 select DMA_VIRTUAL_CHANNELS
487 help
488 Support for the NVIDIA Tegra210 ADMA controller driver. The
489 DMA controller has multiple DMA channels and is used to service
490 various audio clients in the Tegra210 audio processing engine
491 (APE). This DMA controller transfers data from memory to
492 peripheral and vice versa. It does not support memory to
493 memory data transfer.
494
495config TIMB_DMA
496 tristate "Timberdale FPGA DMA support"
497 depends on MFD_TIMBERDALE || COMPILE_TEST
498 select DMA_ENGINE
499 help
500 Enable support for the Timberdale FPGA DMA engine.
501
502config TI_CPPI41
503 tristate "AM33xx CPPI41 DMA support"
504 depends on ARCH_OMAP
505 select DMA_ENGINE
506 help
507 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
508 is currently used by the USB driver on AM335x platforms.
509
510config TI_DMA_CROSSBAR
511 bool
512
513config TI_EDMA
514 bool "TI EDMA support"
515 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST
516 select DMA_ENGINE
517 select DMA_VIRTUAL_CHANNELS
518 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST)
519 default n
520 help
521 Enable support for the TI EDMA controller. This DMA
522 engine is found on TI DaVinci and AM33xx parts.
523
524config XGENE_DMA
525 tristate "APM X-Gene DMA support"
526 depends on ARCH_XGENE || COMPILE_TEST
527 select DMA_ENGINE
528 select DMA_ENGINE_RAID
529 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
530 help
531 Enable support for the APM X-Gene SoC DMA engine.
532
533source "drivers/dma/xilinx/Kconfig"
534
535config XILINX_DMA
536 tristate "Xilinx AXI DMAS Engine"
537 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
538 select DMA_ENGINE
539 help
540 Enable support for Xilinx AXI VDMA Soft IP.
541
542 AXI VDMA engine provides high-bandwidth direct memory access
543 between memory and AXI4-Stream video type target
544 peripherals including peripherals which support AXI4-
545 Stream Video Protocol. It has two stream interfaces/
546 channels, Memory Mapped to Stream (MM2S) and Stream to
547 Memory Mapped (S2MM) for the data transfers.
548 AXI CDMA engine provides high-bandwidth direct memory access
549 between a memory-mapped source address and a memory-mapped
550 destination address.
551 AXI DMA engine provides high-bandwidth one dimensional direct
552 memory access between memory and AXI4-Stream target peripherals.
553
554config XILINX_ZYNQMP_DMA
555 tristate "Xilinx ZynqMP DMA Engine"
556 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
557 select DMA_ENGINE
558 help
559 Enable support for Xilinx ZynqMP DMA controller.
560
561config ZX_DMA
562 tristate "ZTE ZX296702 DMA support"
563 depends on ARCH_ZX || COMPILE_TEST
564 select DMA_ENGINE
565 select DMA_VIRTUAL_CHANNELS
566 help
567 Support the DMA engine for ZTE ZX296702 platform devices.
568
569
570
571source "drivers/dma/bestcomm/Kconfig"
572
573source "drivers/dma/qcom/Kconfig"
574
575source "drivers/dma/dw/Kconfig"
576
577source "drivers/dma/hsu/Kconfig"
578
579source "drivers/dma/sh/Kconfig"
580
581
582comment "DMA Clients"
583 depends on DMA_ENGINE
584
585config ASYNC_TX_DMA
586 bool "Async_tx: Offload support for the async_tx api"
587 depends on DMA_ENGINE
588 help
589 This allows the async_tx api to take advantage of offload engines for
590 memcpy, memset, xor, and raid6 p+q operations. If your platform has
591 a dma engine that can perform raid operations and you have enabled
592 MD_RAID456 say Y.
593
594 If unsure, say N.
595
596config DMATEST
597 tristate "DMA Test client"
598 depends on DMA_ENGINE
599 help
600 Simple DMA test client. Say N unless you're debugging a
601 DMA Device driver.
602
603config DMA_ENGINE_RAID
604 bool
605
606endif
607
