Merge branch 'pm-cpufreq-fixes'
[deliverable/linux.git] / 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 || ARCH_MVEBU || COMPILE_TEST
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 || SOC_IMX6UL
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
350 i.MX23/28/MX6Q/MX6DL/MX6UL chips.
351
352 config MX3_IPU
353 bool "MX3x Image Processing Unit support"
354 depends on ARCH_MXC
355 select DMA_ENGINE
356 default y
357 help
358 If you plan to use the Image Processing unit in the i.MX3x, say
359 Y here. If unsure, select Y.
360
361 config MX3_IPU_IRQS
362 int "Number of dynamically mapped interrupts for IPU"
363 depends on MX3_IPU
364 range 2 137
365 default 4
366 help
367 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
368 To avoid bloating the irq_desc[] array we allocate a sufficient
369 number of IRQ slots and map them dynamically to specific sources.
370
371 config NBPFAXI_DMA
372 tristate "Renesas Type-AXI NBPF DMA support"
373 select DMA_ENGINE
374 depends on ARM || COMPILE_TEST
375 help
376 Support for "Type-AXI" NBPF DMA IPs from Renesas
377
378 config PCH_DMA
379 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
380 depends on PCI && (X86_32 || COMPILE_TEST)
381 select DMA_ENGINE
382 help
383 Enable support for Intel EG20T PCH DMA engine.
384
385 This driver also can be used for LAPIS Semiconductor IOH(Input/
386 Output Hub), ML7213, ML7223 and ML7831.
387 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
388 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
389 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
390 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
391
392 config PL330_DMA
393 tristate "DMA API Driver for PL330"
394 select DMA_ENGINE
395 depends on ARM_AMBA
396 help
397 Select if your platform has one or more PL330 DMACs.
398 You need to provide platform specific settings via
399 platform_data for a dma-pl330 device.
400
401 config PXA_DMA
402 bool "PXA DMA support"
403 depends on (ARCH_MMP || ARCH_PXA)
404 select DMA_ENGINE
405 select DMA_VIRTUAL_CHANNELS
406 help
407 Support the DMA engine for PXA. It is also compatible with MMP PDMA
408 platform. The internal DMA IP of all PXA variants is supported, with
409 16 to 32 channels for peripheral to memory or memory to memory
410 transfers.
411
412 config SIRF_DMA
413 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
414 depends on ARCH_SIRF
415 select DMA_ENGINE
416 help
417 Enable support for the CSR SiRFprimaII DMA engine.
418
419 config STE_DMA40
420 bool "ST-Ericsson DMA40 support"
421 depends on ARCH_U8500
422 select DMA_ENGINE
423 help
424 Support for ST-Ericsson DMA40 controller
425
426 config STM32_DMA
427 bool "STMicroelectronics STM32 DMA support"
428 depends on ARCH_STM32
429 select DMA_ENGINE
430 select DMA_OF
431 select DMA_VIRTUAL_CHANNELS
432 help
433 Enable support for the on-chip DMA controller on STMicroelectronics
434 STM32 MCUs.
435 If you have a board based on such a MCU and wish to use DMA say Y or M
436 here.
437
438 config S3C24XX_DMAC
439 bool "Samsung S3C24XX DMA support"
440 depends on ARCH_S3C24XX
441 select DMA_ENGINE
442 select DMA_VIRTUAL_CHANNELS
443 help
444 Support for the Samsung S3C24XX DMA controller driver. The
445 DMA controller is having multiple DMA channels which can be
446 configured for different peripherals like audio, UART, SPI.
447 The DMA controller can transfer data from memory to peripheral,
448 periphal to memory, periphal to periphal and memory to memory.
449
450 config TXX9_DMAC
451 tristate "Toshiba TXx9 SoC DMA support"
452 depends on MACH_TX49XX || MACH_TX39XX
453 select DMA_ENGINE
454 help
455 Support the TXx9 SoC internal DMA controller. This can be
456 integrated in chips such as the Toshiba TX4927/38/39.
457
458 config TEGRA20_APB_DMA
459 bool "NVIDIA Tegra20 APB DMA support"
460 depends on ARCH_TEGRA
461 select DMA_ENGINE
462 help
463 Support for the NVIDIA Tegra20 APB DMA controller driver. The
464 DMA controller is having multiple DMA channel which can be
465 configured for different peripherals like audio, UART, SPI,
466 I2C etc which is in APB bus.
467 This DMA controller transfers data from memory to peripheral fifo
468 or vice versa. It does not support memory to memory data transfer.
469
470 config TEGRA210_ADMA
471 bool "NVIDIA Tegra210 ADMA support"
472 depends on ARCH_TEGRA_210_SOC
473 select DMA_ENGINE
474 select DMA_VIRTUAL_CHANNELS
475 select PM_CLK
476 help
477 Support for the NVIDIA Tegra210 ADMA controller driver. The
478 DMA controller has multiple DMA channels and is used to service
479 various audio clients in the Tegra210 audio processing engine
480 (APE). This DMA controller transfers data from memory to
481 peripheral and vice versa. It does not support memory to
482 memory data transfer.
483
484 config TIMB_DMA
485 tristate "Timberdale FPGA DMA support"
486 depends on MFD_TIMBERDALE
487 select DMA_ENGINE
488 help
489 Enable support for the Timberdale FPGA DMA engine.
490
491 config TI_CPPI41
492 tristate "AM33xx CPPI41 DMA support"
493 depends on ARCH_OMAP
494 select DMA_ENGINE
495 help
496 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
497 is currently used by the USB driver on AM335x platforms.
498
499 config TI_DMA_CROSSBAR
500 bool
501
502 config TI_EDMA
503 bool "TI EDMA support"
504 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
505 select DMA_ENGINE
506 select DMA_VIRTUAL_CHANNELS
507 select TI_DMA_CROSSBAR if ARCH_OMAP
508 default n
509 help
510 Enable support for the TI EDMA controller. This DMA
511 engine is found on TI DaVinci and AM33xx parts.
512
513 config XGENE_DMA
514 tristate "APM X-Gene DMA support"
515 depends on ARCH_XGENE || COMPILE_TEST
516 select DMA_ENGINE
517 select DMA_ENGINE_RAID
518 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
519 help
520 Enable support for the APM X-Gene SoC DMA engine.
521
522 config XILINX_VDMA
523 tristate "Xilinx AXI VDMA Engine"
524 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
525 select DMA_ENGINE
526 help
527 Enable support for Xilinx AXI VDMA Soft IP.
528
529 This engine provides high-bandwidth direct memory access
530 between memory and AXI4-Stream video type target
531 peripherals including peripherals which support AXI4-
532 Stream Video Protocol. It has two stream interfaces/
533 channels, Memory Mapped to Stream (MM2S) and Stream to
534 Memory Mapped (S2MM) for the data transfers.
535
536 config ZX_DMA
537 tristate "ZTE ZX296702 DMA support"
538 depends on ARCH_ZX
539 select DMA_ENGINE
540 select DMA_VIRTUAL_CHANNELS
541 help
542 Support the DMA engine for ZTE ZX296702 platform devices.
543
544
545 # driver files
546 source "drivers/dma/bestcomm/Kconfig"
547
548 source "drivers/dma/qcom/Kconfig"
549
550 source "drivers/dma/dw/Kconfig"
551
552 source "drivers/dma/hsu/Kconfig"
553
554 source "drivers/dma/sh/Kconfig"
555
556 # clients
557 comment "DMA Clients"
558 depends on DMA_ENGINE
559
560 config ASYNC_TX_DMA
561 bool "Async_tx: Offload support for the async_tx api"
562 depends on DMA_ENGINE
563 help
564 This allows the async_tx api to take advantage of offload engines for
565 memcpy, memset, xor, and raid6 p+q operations. If your platform has
566 a dma engine that can perform raid operations and you have enabled
567 MD_RAID456 say Y.
568
569 If unsure, say N.
570
571 config DMATEST
572 tristate "DMA Test client"
573 depends on DMA_ENGINE
574 help
575 Simple DMA test client. Say N unless you're debugging a
576 DMA Device driver.
577
578 config DMA_ENGINE_RAID
579 bool
580
581 endif
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