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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
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
118         select DMA_ENGINE
119         select DMA_VIRTUAL_CHANNELS
120 
121 config DMA_JZ4780
122         tristate "JZ4780 DMA support"
123         depends on MACH_JZ4780
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
134         select DMA_ENGINE
135         select DMA_VIRTUAL_CHANNELS
136         select TI_DMA_CROSSBAR if SOC_DRA7XX
137 
138 config DMA_SA11X0
139         tristate "SA-11x0 DMA support"
140         depends on ARCH_SA1100
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_OF
154         select DMA_VIRTUAL_CHANNELS
155         help
156           Enable support for the DMA controller present in the sun4i,
157           sun5i and sun7i Allwinner ARM SoCs.
158 
159 config DMA_SUN6I
160         tristate "Allwinner A31 SoCs DMA support"
161         depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
162         depends on RESET_CONTROLLER
163         select DMA_ENGINE
164         select DMA_VIRTUAL_CHANNELS
165         help
166           Support for the DMA engine first found in Allwinner A31 SoCs.
167 
168 config EP93XX_DMA
169         bool "Cirrus Logic EP93xx DMA support"
170         depends on ARCH_EP93XX
171         select DMA_ENGINE
172         help
173           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
174 
175 config FSL_DMA
176         tristate "Freescale Elo series DMA support"
177         depends on FSL_SOC
178         select DMA_ENGINE
179         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
180         ---help---
181           Enable support for the Freescale Elo series DMA controllers.
182           The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
183           EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
184           some Txxx and Bxxx parts.
185 
186 config FSL_EDMA
187         tristate "Freescale eDMA engine support"
188         depends on OF
189         select DMA_ENGINE
190         select DMA_VIRTUAL_CHANNELS
191         help
192           Support the Freescale eDMA engine with programmable channel
193           multiplexing capability for DMA request sources(slot).
194           This module can be found on Freescale Vybrid and LS-1 SoCs.
195 
196 config FSL_RAID
197         tristate "Freescale RAID engine Support"
198         depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
199         select DMA_ENGINE
200         select DMA_ENGINE_RAID
201         ---help---
202           Enable support for Freescale RAID Engine. RAID Engine is
203           available on some QorIQ SoCs (like P5020/P5040). It has
204           the capability to offload memcpy, xor and pq computation
205           for raid5/6.
206 
207 config IMG_MDC_DMA
208         tristate "IMG MDC support"
209         depends on MIPS || COMPILE_TEST
210         depends on MFD_SYSCON
211         select DMA_ENGINE
212         select DMA_VIRTUAL_CHANNELS
213         help
214           Enable support for the IMG multi-threaded DMA controller (MDC).
215 
216 config IMX_DMA
217         tristate "i.MX DMA support"
218         depends on ARCH_MXC
219         select DMA_ENGINE
220         help
221           Support the i.MX DMA engine. This engine is integrated into
222           Freescale i.MX1/21/27 chips.
223 
224 config IMX_SDMA
225         tristate "i.MX SDMA support"
226         depends on ARCH_MXC
227         select DMA_ENGINE
228         help
229           Support the i.MX SDMA engine. This engine is integrated into
230           Freescale i.MX25/31/35/51/53/6 chips.
231 
232 config INTEL_IDMA64
233         tristate "Intel integrated DMA 64-bit support"
234         select DMA_ENGINE
235         select DMA_VIRTUAL_CHANNELS
236         help
237           Enable DMA support for Intel Low Power Subsystem such as found on
238           Intel Skylake PCH.
239 
240 config INTEL_IOATDMA
241         tristate "Intel I/OAT DMA support"
242         depends on PCI && X86_64
243         select DMA_ENGINE
244         select DMA_ENGINE_RAID
245         select DCA
246         help
247           Enable support for the Intel(R) I/OAT DMA engine present
248           in recent Intel Xeon chipsets.
249 
250           Say Y here if you have such a chipset.
251 
252           If unsure, say N.
253 
254 config INTEL_IOP_ADMA
255         tristate "Intel IOP ADMA support"
256         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
257         select DMA_ENGINE
258         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
259         help
260           Enable support for the Intel(R) IOP Series RAID engines.
261 
262 config INTEL_MIC_X100_DMA
263         tristate "Intel MIC X100 DMA Driver"
264         depends on 64BIT && X86 && INTEL_MIC_BUS
265         select DMA_ENGINE
266         help
267           This enables DMA support for the Intel Many Integrated Core
268           (MIC) family of PCIe form factor coprocessor X100 devices that
269           run a 64 bit Linux OS. This driver will be used by both MIC
270           host and card drivers.
271 
272           If you are building host kernel with a MIC device or a card
273           kernel for a MIC device, then say M (recommended) or Y, else
274           say N. If unsure say N.
275 
276           More information about the Intel MIC family as well as the Linux
277           OS and tools for MIC to use with this driver are available from
278           <http://software.intel.com/en-us/mic-developer>.
279 
280 config K3_DMA
281         tristate "Hisilicon K3 DMA support"
282         depends on ARCH_HI3xxx
283         select DMA_ENGINE
284         select DMA_VIRTUAL_CHANNELS
285         help
286           Support the DMA engine for Hisilicon K3 platform
287           devices.
288 
289 config LPC18XX_DMAMUX
290         bool "NXP LPC18xx/43xx DMA MUX for PL080"
291         depends on ARCH_LPC18XX || COMPILE_TEST
292         depends on OF && AMBA_PL08X
293         select MFD_SYSCON
294         help
295           Enable support for DMA on NXP LPC18xx/43xx platforms
296           with PL080 and multiplexed DMA request lines.
297 
298 config MMP_PDMA
299         bool "MMP PDMA support"
300         depends on (ARCH_MMP || ARCH_PXA)
301         select DMA_ENGINE
302         help
303           Support the MMP PDMA engine for PXA and MMP platform.
304 
305 config MMP_TDMA
306         bool "MMP Two-Channel DMA support"
307         depends on ARCH_MMP
308         select DMA_ENGINE
309         select MMP_SRAM
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_OF
320         select DMA_VIRTUAL_CHANNELS
321         help
322           Enable support for the MOXA ART SoC DMA controller.
323  
324           Say Y here if you enabled MMP ADMA, otherwise say N.
325 
326 config MPC512X_DMA
327         tristate "Freescale MPC512x built-in DMA engine support"
328         depends on PPC_MPC512x || PPC_MPC831x
329         select DMA_ENGINE
330         ---help---
331           Enable support for the Freescale MPC512x built-in DMA engine.
332 
333 config MV_XOR
334         bool "Marvell XOR engine support"
335         depends on PLAT_ORION
336         select DMA_ENGINE
337         select DMA_ENGINE_RAID
338         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
339         ---help---
340           Enable support for the Marvell XOR engine.
341 
342 config MXS_DMA
343         bool "MXS DMA support"
344         depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
345         select STMP_DEVICE
346         select DMA_ENGINE
347         help
348           Support the MXS DMA engine. This engine including APBH-DMA
349           and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
350 
351 config MX3_IPU
352         bool "MX3x Image Processing Unit support"
353         depends on ARCH_MXC
354         select DMA_ENGINE
355         default y
356         help
357           If you plan to use the Image Processing unit in the i.MX3x, say
358           Y here. If unsure, select Y.
359 
360 config MX3_IPU_IRQS
361         int "Number of dynamically mapped interrupts for IPU"
362         depends on MX3_IPU
363         range 2 137
364         default 4
365         help
366           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
367           To avoid bloating the irq_desc[] array we allocate a sufficient
368           number of IRQ slots and map them dynamically to specific sources.
369 
370 config NBPFAXI_DMA
371         tristate "Renesas Type-AXI NBPF DMA support"
372         select DMA_ENGINE
373         depends on ARM || COMPILE_TEST
374         help
375           Support for "Type-AXI" NBPF DMA IPs from Renesas
376 
377 config PCH_DMA
378         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
379         depends on PCI && (X86_32 || COMPILE_TEST)
380         select DMA_ENGINE
381         help
382           Enable support for Intel EG20T PCH DMA engine.
383 
384           This driver also can be used for LAPIS Semiconductor IOH(Input/
385           Output Hub), ML7213, ML7223 and ML7831.
386           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
387           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
388           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
389           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
390 
391 config PL330_DMA
392         tristate "DMA API Driver for PL330"
393         select DMA_ENGINE
394         depends on ARM_AMBA
395         help
396           Select if your platform has one or more PL330 DMACs.
397           You need to provide platform specific settings via
398           platform_data for a dma-pl330 device.
399 
400 config PXA_DMA
401         bool "PXA DMA support"
402         depends on (ARCH_MMP || ARCH_PXA)
403         select DMA_ENGINE
404         select DMA_VIRTUAL_CHANNELS
405         help
406           Support the DMA engine for PXA. It is also compatible with MMP PDMA
407           platform. The internal DMA IP of all PXA variants is supported, with
408           16 to 32 channels for peripheral to memory or memory to memory
409           transfers.
410 
411 config QCOM_BAM_DMA
412         tristate "QCOM BAM DMA support"
413         depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
414         select DMA_ENGINE
415         select DMA_VIRTUAL_CHANNELS
416         ---help---
417           Enable support for the QCOM BAM DMA controller.  This controller
418           provides DMA capabilities for a variety of on-chip devices.
419 
420 config SIRF_DMA
421         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
422         depends on ARCH_SIRF
423         select DMA_ENGINE
424         help
425           Enable support for the CSR SiRFprimaII DMA engine.
426 
427 config STE_DMA40
428         bool "ST-Ericsson DMA40 support"
429         depends on ARCH_U8500
430         select DMA_ENGINE
431         help
432           Support for ST-Ericsson DMA40 controller
433 
434 config STM32_DMA
435         bool "STMicroelectronics STM32 DMA support"
436         depends on ARCH_STM32
437         select DMA_ENGINE
438         select DMA_OF
439         select DMA_VIRTUAL_CHANNELS
440         help
441           Enable support for the on-chip DMA controller on STMicroelectronics
442           STM32 MCUs.
443           If you have a board based on such a MCU and wish to use DMA say Y or M
444           here.
445 
446 config S3C24XX_DMAC
447         bool "Samsung S3C24XX DMA support"
448         depends on ARCH_S3C24XX
449         select DMA_ENGINE
450         select DMA_VIRTUAL_CHANNELS
451         help
452           Support for the Samsung S3C24XX DMA controller driver. The
453           DMA controller is having multiple DMA channels which can be
454           configured for different peripherals like audio, UART, SPI.
455           The DMA controller can transfer data from memory to peripheral,
456           periphal to memory, periphal to periphal and memory to memory.
457 
458 config TXX9_DMAC
459         tristate "Toshiba TXx9 SoC DMA support"
460         depends on MACH_TX49XX || MACH_TX39XX
461         select DMA_ENGINE
462         help
463           Support the TXx9 SoC internal DMA controller.  This can be
464           integrated in chips such as the Toshiba TX4927/38/39.
465 
466 config TEGRA20_APB_DMA
467         bool "NVIDIA Tegra20 APB DMA support"
468         depends on ARCH_TEGRA
469         select DMA_ENGINE
470         help
471           Support for the NVIDIA Tegra20 APB DMA controller driver. The
472           DMA controller is having multiple DMA channel which can be
473           configured for different peripherals like audio, UART, SPI,
474           I2C etc which is in APB bus.
475           This DMA controller transfers data from memory to peripheral fifo
476           or vice versa. It does not support memory to memory data transfer.
477 
478 config TIMB_DMA
479         tristate "Timberdale FPGA DMA support"
480         depends on MFD_TIMBERDALE
481         select DMA_ENGINE
482         help
483           Enable support for the Timberdale FPGA DMA engine.
484 
485 config TI_CPPI41
486         tristate "AM33xx CPPI41 DMA support"
487         depends on ARCH_OMAP
488         select DMA_ENGINE
489         help
490           The Communications Port Programming Interface (CPPI) 4.1 DMA engine
491           is currently used by the USB driver on AM335x platforms.
492 
493 config TI_DMA_CROSSBAR
494         bool
495 
496 config TI_EDMA
497         bool "TI EDMA support"
498         depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
499         select DMA_ENGINE
500         select DMA_VIRTUAL_CHANNELS
501         select TI_DMA_CROSSBAR if ARCH_OMAP
502         default n
503         help
504           Enable support for the TI EDMA controller. This DMA
505           engine is found on TI DaVinci and AM33xx parts.
506 
507 config XGENE_DMA
508         tristate "APM X-Gene DMA support"
509         depends on ARCH_XGENE || COMPILE_TEST
510         select DMA_ENGINE
511         select DMA_ENGINE_RAID
512         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
513         help
514           Enable support for the APM X-Gene SoC DMA engine.
515 
516 config XILINX_VDMA
517         tristate "Xilinx AXI VDMA Engine"
518         depends on (ARCH_ZYNQ || MICROBLAZE)
519         select DMA_ENGINE
520         help
521           Enable support for Xilinx AXI VDMA Soft IP.
522 
523           This engine provides high-bandwidth direct memory access
524           between memory and AXI4-Stream video type target
525           peripherals including peripherals which support AXI4-
526           Stream Video Protocol.  It has two stream interfaces/
527           channels, Memory Mapped to Stream (MM2S) and Stream to
528           Memory Mapped (S2MM) for the data transfers.
529 
530 config ZX_DMA
531         tristate "ZTE ZX296702 DMA support"
532         depends on ARCH_ZX
533         select DMA_ENGINE
534         select DMA_VIRTUAL_CHANNELS
535         help
536           Support the DMA engine for ZTE ZX296702 platform devices.
537 
538 
539 # driver files
540 source "drivers/dma/bestcomm/Kconfig"
541 
542 source "drivers/dma/dw/Kconfig"
543 
544 source "drivers/dma/hsu/Kconfig"
545 
546 source "drivers/dma/sh/Kconfig"
547 
548 # clients
549 comment "DMA Clients"
550         depends on DMA_ENGINE
551 
552 config ASYNC_TX_DMA
553         bool "Async_tx: Offload support for the async_tx api"
554         depends on DMA_ENGINE
555         help
556           This allows the async_tx api to take advantage of offload engines for
557           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
558           a dma engine that can perform raid operations and you have enabled
559           MD_RAID456 say Y.
560 
561           If unsure, say N.
562 
563 config DMATEST
564         tristate "DMA Test client"
565         depends on DMA_ENGINE
566         help
567           Simple DMA test client. Say N unless you're debugging a
568           DMA Device driver.
569 
570 config DMA_ENGINE_RAID
571         bool
572 
573 endif

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