Merge tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
[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 config INTEL_MIC_X100_DMA
37 tristate "Intel MIC X100 DMA Driver"
38 depends on 64BIT && X86 && INTEL_MIC_BUS
39 select DMA_ENGINE
40 help
41 This enables DMA support for the Intel Many Integrated Core
42 (MIC) family of PCIe form factor coprocessor X100 devices that
43 run a 64 bit Linux OS. This driver will be used by both MIC
44 host and card drivers.
45
46 If you are building host kernel with a MIC device or a card
47 kernel for a MIC device, then say M (recommended) or Y, else
48 say N. If unsure say N.
49
50 More information about the Intel MIC family as well as the Linux
51 OS and tools for MIC to use with this driver are available from
52 <http://software.intel.com/en-us/mic-developer>.
53
54 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
55 bool
56
57 config AMBA_PL08X
58 bool "ARM PrimeCell PL080 or PL081 support"
59 depends on ARM_AMBA
60 select DMA_ENGINE
61 select DMA_VIRTUAL_CHANNELS
62 help
63 Platform has a PL08x DMAC device
64 which can provide DMA engine support
65
66 config INTEL_IOATDMA
67 tristate "Intel I/OAT DMA support"
68 depends on PCI && X86
69 select DMA_ENGINE
70 select DMA_ENGINE_RAID
71 select DCA
72 help
73 Enable support for the Intel(R) I/OAT DMA engine present
74 in recent Intel Xeon chipsets.
75
76 Say Y here if you have such a chipset.
77
78 If unsure, say N.
79
80 config INTEL_IOP_ADMA
81 tristate "Intel IOP ADMA support"
82 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
83 select DMA_ENGINE
84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
85 help
86 Enable support for the Intel(R) IOP Series RAID engines.
87
88 config IDMA64
89 tristate "Intel integrated DMA 64-bit support"
90 select DMA_ENGINE
91 select DMA_VIRTUAL_CHANNELS
92 help
93 Enable DMA support for Intel Low Power Subsystem such as found on
94 Intel Skylake PCH.
95
96 source "drivers/dma/dw/Kconfig"
97
98 config AT_HDMAC
99 tristate "Atmel AHB DMA support"
100 depends on ARCH_AT91
101 select DMA_ENGINE
102 help
103 Support the Atmel AHB DMA controller.
104
105 config AT_XDMAC
106 tristate "Atmel XDMA support"
107 depends on ARCH_AT91
108 select DMA_ENGINE
109 help
110 Support the Atmel XDMA controller.
111
112 config FSL_DMA
113 tristate "Freescale Elo series DMA support"
114 depends on FSL_SOC
115 select DMA_ENGINE
116 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
117 ---help---
118 Enable support for the Freescale Elo series DMA controllers.
119 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
120 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
121 some Txxx and Bxxx parts.
122
123 config FSL_RAID
124 tristate "Freescale RAID engine Support"
125 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
126 select DMA_ENGINE
127 select DMA_ENGINE_RAID
128 ---help---
129 Enable support for Freescale RAID Engine. RAID Engine is
130 available on some QorIQ SoCs (like P5020/P5040). It has
131 the capability to offload memcpy, xor and pq computation
132 for raid5/6.
133
134 source "drivers/dma/hsu/Kconfig"
135
136 config MPC512X_DMA
137 tristate "Freescale MPC512x built-in DMA engine support"
138 depends on PPC_MPC512x || PPC_MPC831x
139 select DMA_ENGINE
140 ---help---
141 Enable support for the Freescale MPC512x built-in DMA engine.
142
143 source "drivers/dma/bestcomm/Kconfig"
144
145 config MV_XOR
146 bool "Marvell XOR engine support"
147 depends on PLAT_ORION
148 select DMA_ENGINE
149 select DMA_ENGINE_RAID
150 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
151 ---help---
152 Enable support for the Marvell XOR engine.
153
154 config MX3_IPU
155 bool "MX3x Image Processing Unit support"
156 depends on ARCH_MXC
157 select DMA_ENGINE
158 default y
159 help
160 If you plan to use the Image Processing unit in the i.MX3x, say
161 Y here. If unsure, select Y.
162
163 config MX3_IPU_IRQS
164 int "Number of dynamically mapped interrupts for IPU"
165 depends on MX3_IPU
166 range 2 137
167 default 4
168 help
169 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
170 To avoid bloating the irq_desc[] array we allocate a sufficient
171 number of IRQ slots and map them dynamically to specific sources.
172
173 config PXA_DMA
174 bool "PXA DMA support"
175 depends on (ARCH_MMP || ARCH_PXA)
176 select DMA_ENGINE
177 select DMA_VIRTUAL_CHANNELS
178 help
179 Support the DMA engine for PXA. It is also compatible with MMP PDMA
180 platform. The internal DMA IP of all PXA variants is supported, with
181 16 to 32 channels for peripheral to memory or memory to memory
182 transfers.
183
184 config TXX9_DMAC
185 tristate "Toshiba TXx9 SoC DMA support"
186 depends on MACH_TX49XX || MACH_TX39XX
187 select DMA_ENGINE
188 help
189 Support the TXx9 SoC internal DMA controller. This can be
190 integrated in chips such as the Toshiba TX4927/38/39.
191
192 config TEGRA20_APB_DMA
193 bool "NVIDIA Tegra20 APB DMA support"
194 depends on ARCH_TEGRA
195 select DMA_ENGINE
196 help
197 Support for the NVIDIA Tegra20 APB DMA controller driver. The
198 DMA controller is having multiple DMA channel which can be
199 configured for different peripherals like audio, UART, SPI,
200 I2C etc which is in APB bus.
201 This DMA controller transfers data from memory to peripheral fifo
202 or vice versa. It does not support memory to memory data transfer.
203
204 config S3C24XX_DMAC
205 tristate "Samsung S3C24XX DMA support"
206 depends on ARCH_S3C24XX
207 select DMA_ENGINE
208 select DMA_VIRTUAL_CHANNELS
209 help
210 Support for the Samsung S3C24XX DMA controller driver. The
211 DMA controller is having multiple DMA channels which can be
212 configured for different peripherals like audio, UART, SPI.
213 The DMA controller can transfer data from memory to peripheral,
214 periphal to memory, periphal to periphal and memory to memory.
215
216 source "drivers/dma/sh/Kconfig"
217
218 config COH901318
219 bool "ST-Ericsson COH901318 DMA support"
220 select DMA_ENGINE
221 depends on ARCH_U300
222 help
223 Enable support for ST-Ericsson COH 901 318 DMA.
224
225 config STE_DMA40
226 bool "ST-Ericsson DMA40 support"
227 depends on ARCH_U8500
228 select DMA_ENGINE
229 help
230 Support for ST-Ericsson DMA40 controller
231
232 config AMCC_PPC440SPE_ADMA
233 tristate "AMCC PPC440SPe ADMA support"
234 depends on 440SPe || 440SP
235 select DMA_ENGINE
236 select DMA_ENGINE_RAID
237 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
238 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
239 help
240 Enable support for the AMCC PPC440SPe RAID engines.
241
242 config TIMB_DMA
243 tristate "Timberdale FPGA DMA support"
244 depends on MFD_TIMBERDALE
245 select DMA_ENGINE
246 help
247 Enable support for the Timberdale FPGA DMA engine.
248
249 config SIRF_DMA
250 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
251 depends on ARCH_SIRF
252 select DMA_ENGINE
253 help
254 Enable support for the CSR SiRFprimaII DMA engine.
255
256 config TI_EDMA
257 bool "TI EDMA support"
258 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
259 select DMA_ENGINE
260 select DMA_VIRTUAL_CHANNELS
261 select TI_PRIV_EDMA
262 default n
263 help
264 Enable support for the TI EDMA controller. This DMA
265 engine is found on TI DaVinci and AM33xx parts.
266
267 config TI_DMA_CROSSBAR
268 bool
269
270 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
271 bool
272
273 config PL330_DMA
274 tristate "DMA API Driver for PL330"
275 select DMA_ENGINE
276 depends on ARM_AMBA
277 help
278 Select if your platform has one or more PL330 DMACs.
279 You need to provide platform specific settings via
280 platform_data for a dma-pl330 device.
281
282 config PCH_DMA
283 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
284 depends on PCI && (X86_32 || COMPILE_TEST)
285 select DMA_ENGINE
286 help
287 Enable support for Intel EG20T PCH DMA engine.
288
289 This driver also can be used for LAPIS Semiconductor IOH(Input/
290 Output Hub), ML7213, ML7223 and ML7831.
291 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
292 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
293 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
294 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
295
296 config IMX_SDMA
297 tristate "i.MX SDMA support"
298 depends on ARCH_MXC
299 select DMA_ENGINE
300 help
301 Support the i.MX SDMA engine. This engine is integrated into
302 Freescale i.MX25/31/35/51/53/6 chips.
303
304 config IMX_DMA
305 tristate "i.MX DMA support"
306 depends on ARCH_MXC
307 select DMA_ENGINE
308 help
309 Support the i.MX DMA engine. This engine is integrated into
310 Freescale i.MX1/21/27 chips.
311
312 config MXS_DMA
313 bool "MXS DMA support"
314 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
315 select STMP_DEVICE
316 select DMA_ENGINE
317 help
318 Support the MXS DMA engine. This engine including APBH-DMA
319 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
320
321 config EP93XX_DMA
322 bool "Cirrus Logic EP93xx DMA support"
323 depends on ARCH_EP93XX
324 select DMA_ENGINE
325 help
326 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
327
328 config DMA_SA11X0
329 tristate "SA-11x0 DMA support"
330 depends on ARCH_SA1100
331 select DMA_ENGINE
332 select DMA_VIRTUAL_CHANNELS
333 help
334 Support the DMA engine found on Intel StrongARM SA-1100 and
335 SA-1110 SoCs. This DMA engine can only be used with on-chip
336 devices.
337
338 config MMP_TDMA
339 bool "MMP Two-Channel DMA support"
340 depends on ARCH_MMP
341 select DMA_ENGINE
342 select MMP_SRAM
343 help
344 Support the MMP Two-Channel DMA engine.
345 This engine used for MMP Audio DMA and pxa910 SQU.
346 It needs sram driver under mach-mmp.
347
348 Say Y here if you enabled MMP ADMA, otherwise say N.
349
350 config DMA_OMAP
351 tristate "OMAP DMA support"
352 depends on ARCH_OMAP
353 select DMA_ENGINE
354 select DMA_VIRTUAL_CHANNELS
355 select TI_DMA_CROSSBAR if SOC_DRA7XX
356
357 config DMA_BCM2835
358 tristate "BCM2835 DMA engine support"
359 depends on ARCH_BCM2835
360 select DMA_ENGINE
361 select DMA_VIRTUAL_CHANNELS
362
363 config TI_CPPI41
364 tristate "AM33xx CPPI41 DMA support"
365 depends on ARCH_OMAP
366 select DMA_ENGINE
367 help
368 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
369 is currently used by the USB driver on AM335x platforms.
370
371 config MMP_PDMA
372 bool "MMP PDMA support"
373 depends on (ARCH_MMP || ARCH_PXA)
374 select DMA_ENGINE
375 help
376 Support the MMP PDMA engine for PXA and MMP platform.
377
378 config DMA_JZ4740
379 tristate "JZ4740 DMA support"
380 depends on MACH_JZ4740
381 select DMA_ENGINE
382 select DMA_VIRTUAL_CHANNELS
383
384 config DMA_JZ4780
385 tristate "JZ4780 DMA support"
386 depends on MACH_JZ4780
387 select DMA_ENGINE
388 select DMA_VIRTUAL_CHANNELS
389 help
390 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
391 If you have a board based on such a SoC and wish to use DMA for
392 devices which can use the DMA controller, say Y or M here.
393
394 config K3_DMA
395 tristate "Hisilicon K3 DMA support"
396 depends on ARCH_HI3xxx
397 select DMA_ENGINE
398 select DMA_VIRTUAL_CHANNELS
399 help
400 Support the DMA engine for Hisilicon K3 platform
401 devices.
402
403 config MOXART_DMA
404 tristate "MOXART DMA support"
405 depends on ARCH_MOXART
406 select DMA_ENGINE
407 select DMA_OF
408 select DMA_VIRTUAL_CHANNELS
409 help
410 Enable support for the MOXA ART SoC DMA controller.
411
412 config FSL_EDMA
413 tristate "Freescale eDMA engine support"
414 depends on OF
415 select DMA_ENGINE
416 select DMA_VIRTUAL_CHANNELS
417 help
418 Support the Freescale eDMA engine with programmable channel
419 multiplexing capability for DMA request sources(slot).
420 This module can be found on Freescale Vybrid and LS-1 SoCs.
421
422 config XILINX_VDMA
423 tristate "Xilinx AXI VDMA Engine"
424 depends on (ARCH_ZYNQ || MICROBLAZE)
425 select DMA_ENGINE
426 help
427 Enable support for Xilinx AXI VDMA Soft IP.
428
429 This engine provides high-bandwidth direct memory access
430 between memory and AXI4-Stream video type target
431 peripherals including peripherals which support AXI4-
432 Stream Video Protocol. It has two stream interfaces/
433 channels, Memory Mapped to Stream (MM2S) and Stream to
434 Memory Mapped (S2MM) for the data transfers.
435
436 config DMA_SUN6I
437 tristate "Allwinner A31 SoCs DMA support"
438 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
439 depends on RESET_CONTROLLER
440 select DMA_ENGINE
441 select DMA_VIRTUAL_CHANNELS
442 help
443 Support for the DMA engine first found in Allwinner A31 SoCs.
444
445 config NBPFAXI_DMA
446 tristate "Renesas Type-AXI NBPF DMA support"
447 select DMA_ENGINE
448 depends on ARM || COMPILE_TEST
449 help
450 Support for "Type-AXI" NBPF DMA IPs from Renesas
451
452 config IMG_MDC_DMA
453 tristate "IMG MDC support"
454 depends on MIPS || COMPILE_TEST
455 depends on MFD_SYSCON
456 select DMA_ENGINE
457 select DMA_VIRTUAL_CHANNELS
458 help
459 Enable support for the IMG multi-threaded DMA controller (MDC).
460
461 config XGENE_DMA
462 tristate "APM X-Gene DMA support"
463 depends on ARCH_XGENE || COMPILE_TEST
464 select DMA_ENGINE
465 select DMA_ENGINE_RAID
466 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
467 help
468 Enable support for the APM X-Gene SoC DMA engine.
469
470 config DMA_ENGINE
471 bool
472
473 config DMA_VIRTUAL_CHANNELS
474 tristate
475
476 config DMA_ACPI
477 def_bool y
478 depends on ACPI
479
480 config DMA_OF
481 def_bool y
482 depends on OF
483 select DMA_ENGINE
484
485 comment "DMA Clients"
486 depends on DMA_ENGINE
487
488 config ASYNC_TX_DMA
489 bool "Async_tx: Offload support for the async_tx api"
490 depends on DMA_ENGINE
491 help
492 This allows the async_tx api to take advantage of offload engines for
493 memcpy, memset, xor, and raid6 p+q operations. If your platform has
494 a dma engine that can perform raid operations and you have enabled
495 MD_RAID456 say Y.
496
497 If unsure, say N.
498
499 config DMATEST
500 tristate "DMA Test client"
501 depends on DMA_ENGINE
502 help
503 Simple DMA test client. Say N unless you're debugging a
504 DMA Device driver.
505
506 config DMA_ENGINE_RAID
507 bool
508
509 config QCOM_BAM_DMA
510 tristate "QCOM BAM DMA support"
511 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
512 select DMA_ENGINE
513 select DMA_VIRTUAL_CHANNELS
514 ---help---
515 Enable support for the QCOM BAM DMA controller. This controller
516 provides DMA capabilities for a variety of on-chip devices.
517
518 endif
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