Version:  2.0.40 2.2.26 2.4.37 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10

Linux/drivers/dma/Kconfig

  1 #
  2 # DMA engine configuration
  3 #
  4 
  5 menuconfig 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 
 16 config 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 
 23 config 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 
 32 if DMADEVICES
 33 
 34 comment "DMA Devices"
 35 
 36 #core
 37 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
 38         bool
 39 
 40 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 41         bool
 42 
 43 config DMA_ENGINE
 44         bool
 45 
 46 config DMA_VIRTUAL_CHANNELS
 47         tristate
 48 
 49 config DMA_ACPI
 50         def_bool y
 51         depends on ACPI
 52 
 53 config DMA_OF
 54         def_bool y
 55         depends on OF
 56         select DMA_ENGINE
 57 
 58 #devices
 59 config 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 
 68 config 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 
 78 config 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 
 85 config 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 
 92 config 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 
102 config 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 
109 config DMA_BCM2835
110         tristate "BCM2835 DMA engine support"
111         depends on ARCH_BCM2835
112         select DMA_ENGINE
113         select DMA_VIRTUAL_CHANNELS
114 
115 config DMA_JZ4740
116         tristate "JZ4740 DMA support"
117         depends on MACH_JZ4740 || COMPILE_TEST
118         select DMA_ENGINE
119         select DMA_VIRTUAL_CHANNELS
120 
121 config 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 
131 config 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 
138 config 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 
148 config 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 
158 config 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 
167 config 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 
174 config 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 
185 config 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 
195 config 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 
206 config 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 
215 config 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 
223 config 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 
231 config 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 
239 config 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 
253 config 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 
261 config 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 
279 config 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 
288 config 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 
297 config 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 
304 config 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 
315 config 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 
325 config 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 
332 config 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 
341 config 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 
355 config 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 
365 config 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 
374 config 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 
384 config 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 
391 config 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 
405 config 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 
414 config 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 
425 config 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 
432 config 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 
439 config ST_FDMA
440         tristate "ST FDMA dmaengine support"
441         depends on ARCH_STI
442         depends on REMOTEPROC
443         select ST_SLIM_REMOTEPROC
444         select DMA_ENGINE
445         select DMA_VIRTUAL_CHANNELS
446         help
447           Enable support for ST FDMA controller.
448           It supports 16 independent DMA channels, accepts up to 32 DMA requests
449 
450           Say Y here if you have such a chipset.
451           If unsure, say N.
452 
453 config STM32_DMA
454         bool "STMicroelectronics STM32 DMA support"
455         depends on ARCH_STM32 || COMPILE_TEST
456         select DMA_ENGINE
457         select DMA_VIRTUAL_CHANNELS
458         help
459           Enable support for the on-chip DMA controller on STMicroelectronics
460           STM32 MCUs.
461           If you have a board based on such a MCU and wish to use DMA say Y or M
462           here.
463 
464 config S3C24XX_DMAC
465         bool "Samsung S3C24XX DMA support"
466         depends on ARCH_S3C24XX || COMPILE_TEST
467         select DMA_ENGINE
468         select DMA_VIRTUAL_CHANNELS
469         help
470           Support for the Samsung S3C24XX DMA controller driver. The
471           DMA controller is having multiple DMA channels which can be
472           configured for different peripherals like audio, UART, SPI.
473           The DMA controller can transfer data from memory to peripheral,
474           periphal to memory, periphal to periphal and memory to memory.
475 
476 config TXX9_DMAC
477         tristate "Toshiba TXx9 SoC DMA support"
478         depends on MACH_TX49XX || MACH_TX39XX
479         select DMA_ENGINE
480         help
481           Support the TXx9 SoC internal DMA controller.  This can be
482           integrated in chips such as the Toshiba TX4927/38/39.
483 
484 config TEGRA20_APB_DMA
485         bool "NVIDIA Tegra20 APB DMA support"
486         depends on ARCH_TEGRA
487         select DMA_ENGINE
488         help
489           Support for the NVIDIA Tegra20 APB DMA controller driver. The
490           DMA controller is having multiple DMA channel which can be
491           configured for different peripherals like audio, UART, SPI,
492           I2C etc which is in APB bus.
493           This DMA controller transfers data from memory to peripheral fifo
494           or vice versa. It does not support memory to memory data transfer.
495 
496 config TEGRA210_ADMA
497         tristate "NVIDIA Tegra210 ADMA support"
498         depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
499         select DMA_ENGINE
500         select DMA_VIRTUAL_CHANNELS
501         help
502           Support for the NVIDIA Tegra210 ADMA controller driver. The
503           DMA controller has multiple DMA channels and is used to service
504           various audio clients in the Tegra210 audio processing engine
505           (APE). This DMA controller transfers data from memory to
506           peripheral and vice versa. It does not support memory to
507           memory data transfer.
508 
509 config TIMB_DMA
510         tristate "Timberdale FPGA DMA support"
511         depends on MFD_TIMBERDALE || COMPILE_TEST
512         select DMA_ENGINE
513         help
514           Enable support for the Timberdale FPGA DMA engine.
515 
516 config TI_CPPI41
517         tristate "AM33xx CPPI41 DMA support"
518         depends on ARCH_OMAP
519         select DMA_ENGINE
520         help
521           The Communications Port Programming Interface (CPPI) 4.1 DMA engine
522           is currently used by the USB driver on AM335x platforms.
523 
524 config TI_DMA_CROSSBAR
525         bool
526 
527 config TI_EDMA
528         bool "TI EDMA support"
529         depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST
530         select DMA_ENGINE
531         select DMA_VIRTUAL_CHANNELS
532         select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST)
533         default n
534         help
535           Enable support for the TI EDMA controller. This DMA
536           engine is found on TI DaVinci and AM33xx parts.
537 
538 config XGENE_DMA
539         tristate "APM X-Gene DMA support"
540         depends on ARCH_XGENE || COMPILE_TEST
541         select DMA_ENGINE
542         select DMA_ENGINE_RAID
543         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
544         help
545           Enable support for the APM X-Gene SoC DMA engine.
546 
547 config XILINX_DMA
548         tristate "Xilinx AXI DMAS Engine"
549         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
550         select DMA_ENGINE
551         help
552           Enable support for Xilinx AXI VDMA Soft IP.
553 
554           AXI VDMA engine provides high-bandwidth direct memory access
555           between memory and AXI4-Stream video type target
556           peripherals including peripherals which support AXI4-
557           Stream Video Protocol.  It has two stream interfaces/
558           channels, Memory Mapped to Stream (MM2S) and Stream to
559           Memory Mapped (S2MM) for the data transfers.
560           AXI CDMA engine provides high-bandwidth direct memory access
561           between a memory-mapped source address and a memory-mapped
562           destination address.
563           AXI DMA engine provides high-bandwidth one dimensional direct
564           memory access between memory and AXI4-Stream target peripherals.
565 
566 config XILINX_ZYNQMP_DMA
567         tristate "Xilinx ZynqMP DMA Engine"
568         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
569         select DMA_ENGINE
570         help
571           Enable support for Xilinx ZynqMP DMA controller.
572 
573 config ZX_DMA
574         tristate "ZTE ZX296702 DMA support"
575         depends on ARCH_ZX || COMPILE_TEST
576         select DMA_ENGINE
577         select DMA_VIRTUAL_CHANNELS
578         help
579           Support the DMA engine for ZTE ZX296702 platform devices.
580 
581 
582 # driver files
583 source "drivers/dma/bestcomm/Kconfig"
584 
585 source "drivers/dma/qcom/Kconfig"
586 
587 source "drivers/dma/dw/Kconfig"
588 
589 source "drivers/dma/hsu/Kconfig"
590 
591 source "drivers/dma/sh/Kconfig"
592 
593 # clients
594 comment "DMA Clients"
595         depends on DMA_ENGINE
596 
597 config ASYNC_TX_DMA
598         bool "Async_tx: Offload support for the async_tx api"
599         depends on DMA_ENGINE
600         help
601           This allows the async_tx api to take advantage of offload engines for
602           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
603           a dma engine that can perform raid operations and you have enabled
604           MD_RAID456 say Y.
605 
606           If unsure, say N.
607 
608 config DMATEST
609         tristate "DMA Test client"
610         depends on DMA_ENGINE
611         help
612           Simple DMA test client. Say N unless you're debugging a
613           DMA Device driver.
614 
615 config DMA_ENGINE_RAID
616         bool
617 
618 endif

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us