2 # DMA engine configuration
6 bool "DMA Engine support"
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.
16 config DMADEVICES_DEBUG
17 bool "DMA Engine debugging"
18 depends on DMADEVICES != n
20 This is an option for use by developers; most people should
21 say N here. This enables DMA engine core and driver debugging.
23 config DMADEVICES_VDEBUG
24 bool "DMA Engine verbose debugging"
25 depends on DMADEVICES_DEBUG != n
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.
36 config INTEL_MIC_X100_DMA
37 tristate "Intel MIC X100 DMA Driver"
38 depends on 64BIT && X86 && INTEL_MIC_BUS
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.
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.
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>.
55 tristate "Intel MID DMA support for Peripheral DMA controllers"
60 Enable support for the Intel(R) MID DMA engine present
61 in Intel MID chipsets.
63 Say Y here if you have such a chipset.
67 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
71 bool "ARM PrimeCell PL080 or PL081 support"
74 select DMA_VIRTUAL_CHANNELS
76 Platform has a PL08x DMAC device
77 which can provide DMA engine support
80 tristate "Intel I/OAT DMA support"
83 select DMA_ENGINE_RAID
86 Enable support for the Intel(R) I/OAT DMA engine present
87 in recent Intel Xeon chipsets.
89 Say Y here if you have such a chipset.
94 tristate "Intel IOP ADMA support"
95 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
97 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
99 Enable support for the Intel(R) IOP Series RAID engines.
101 source "drivers/dma/dw/Kconfig"
104 tristate "Atmel AHB DMA support"
108 Support the Atmel AHB DMA controller.
111 tristate "Atmel XDMA support"
115 Support the Atmel XDMA controller.
118 tristate "Freescale Elo series DMA support"
121 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
123 Enable support for the Freescale Elo series DMA controllers.
124 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
125 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
126 some Txxx and Bxxx parts.
129 tristate "Freescale RAID engine Support"
130 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
132 select DMA_ENGINE_RAID
134 Enable support for Freescale RAID Engine. RAID Engine is
135 available on some QorIQ SoCs (like P5020/P5040). It has
136 the capability to offload memcpy, xor and pq computation
140 tristate "Freescale MPC512x built-in DMA engine support"
141 depends on PPC_MPC512x || PPC_MPC831x
144 Enable support for the Freescale MPC512x built-in DMA engine.
146 source "drivers/dma/bestcomm/Kconfig"
149 bool "Marvell XOR engine support"
150 depends on PLAT_ORION
152 select DMA_ENGINE_RAID
153 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
155 Enable support for the Marvell XOR engine.
158 bool "MX3x Image Processing Unit support"
163 If you plan to use the Image Processing unit in the i.MX3x, say
164 Y here. If unsure, select Y.
167 int "Number of dynamically mapped interrupts for IPU"
172 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
173 To avoid bloating the irq_desc[] array we allocate a sufficient
174 number of IRQ slots and map them dynamically to specific sources.
177 tristate "Toshiba TXx9 SoC DMA support"
178 depends on MACH_TX49XX || MACH_TX39XX
181 Support the TXx9 SoC internal DMA controller. This can be
182 integrated in chips such as the Toshiba TX4927/38/39.
184 config TEGRA20_APB_DMA
185 bool "NVIDIA Tegra20 APB DMA support"
186 depends on ARCH_TEGRA
189 Support for the NVIDIA Tegra20 APB DMA controller driver. The
190 DMA controller is having multiple DMA channel which can be
191 configured for different peripherals like audio, UART, SPI,
192 I2C etc which is in APB bus.
193 This DMA controller transfers data from memory to peripheral fifo
194 or vice versa. It does not support memory to memory data transfer.
197 tristate "Samsung S3C24XX DMA support"
198 depends on ARCH_S3C24XX
200 select DMA_VIRTUAL_CHANNELS
202 Support for the Samsung S3C24XX DMA controller driver. The
203 DMA controller is having multiple DMA channels which can be
204 configured for different peripherals like audio, UART, SPI.
205 The DMA controller can transfer data from memory to peripheral,
206 periphal to memory, periphal to periphal and memory to memory.
208 source "drivers/dma/sh/Kconfig"
211 bool "ST-Ericsson COH901318 DMA support"
215 Enable support for ST-Ericsson COH 901 318 DMA.
218 bool "ST-Ericsson DMA40 support"
219 depends on ARCH_U8500
222 Support for ST-Ericsson DMA40 controller
224 config AMCC_PPC440SPE_ADMA
225 tristate "AMCC PPC440SPe ADMA support"
226 depends on 440SPe || 440SP
228 select DMA_ENGINE_RAID
229 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
230 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
232 Enable support for the AMCC PPC440SPe RAID engines.
235 tristate "Timberdale FPGA DMA support"
236 depends on MFD_TIMBERDALE
239 Enable support for the Timberdale FPGA DMA engine.
242 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
246 Enable support for the CSR SiRFprimaII DMA engine.
249 bool "TI EDMA support"
250 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
252 select DMA_VIRTUAL_CHANNELS
256 Enable support for the TI EDMA controller. This DMA
257 engine is found on TI DaVinci and AM33xx parts.
259 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
263 tristate "DMA API Driver for PL330"
267 Select if your platform has one or more PL330 DMACs.
268 You need to provide platform specific settings via
269 platform_data for a dma-pl330 device.
272 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
273 depends on PCI && (X86_32 || COMPILE_TEST)
276 Enable support for Intel EG20T PCH DMA engine.
278 This driver also can be used for LAPIS Semiconductor IOH(Input/
279 Output Hub), ML7213, ML7223 and ML7831.
280 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
281 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
282 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
283 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
286 tristate "i.MX SDMA support"
290 Support the i.MX SDMA engine. This engine is integrated into
291 Freescale i.MX25/31/35/51/53/6 chips.
294 tristate "i.MX DMA support"
298 Support the i.MX DMA engine. This engine is integrated into
299 Freescale i.MX1/21/27 chips.
302 bool "MXS DMA support"
303 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
307 Support the MXS DMA engine. This engine including APBH-DMA
308 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
311 bool "Cirrus Logic EP93xx DMA support"
312 depends on ARCH_EP93XX
315 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
318 tristate "SA-11x0 DMA support"
319 depends on ARCH_SA1100
321 select DMA_VIRTUAL_CHANNELS
323 Support the DMA engine found on Intel StrongARM SA-1100 and
324 SA-1110 SoCs. This DMA engine can only be used with on-chip
328 bool "MMP Two-Channel DMA support"
333 Support the MMP Two-Channel DMA engine.
334 This engine used for MMP Audio DMA and pxa910 SQU.
335 It needs sram driver under mach-mmp.
337 Say Y here if you enabled MMP ADMA, otherwise say N.
340 tristate "OMAP DMA support"
343 select DMA_VIRTUAL_CHANNELS
346 tristate "BCM2835 DMA engine support"
347 depends on ARCH_BCM2835
349 select DMA_VIRTUAL_CHANNELS
352 tristate "AM33xx CPPI41 DMA support"
356 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
357 is currently used by the USB driver on AM335x platforms.
360 bool "MMP PDMA support"
361 depends on (ARCH_MMP || ARCH_PXA)
364 Support the MMP PDMA engine for PXA and MMP platform.
367 tristate "JZ4740 DMA support"
368 depends on MACH_JZ4740
370 select DMA_VIRTUAL_CHANNELS
373 tristate "JZ4780 DMA support"
374 depends on MACH_JZ4780
376 select DMA_VIRTUAL_CHANNELS
378 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
379 If you have a board based on such a SoC and wish to use DMA for
380 devices which can use the DMA controller, say Y or M here.
383 tristate "Hisilicon K3 DMA support"
384 depends on ARCH_HI3xxx
386 select DMA_VIRTUAL_CHANNELS
388 Support the DMA engine for Hisilicon K3 platform
392 tristate "MOXART DMA support"
393 depends on ARCH_MOXART
396 select DMA_VIRTUAL_CHANNELS
398 Enable support for the MOXA ART SoC DMA controller.
401 tristate "Freescale eDMA engine support"
404 select DMA_VIRTUAL_CHANNELS
406 Support the Freescale eDMA engine with programmable channel
407 multiplexing capability for DMA request sources(slot).
408 This module can be found on Freescale Vybrid and LS-1 SoCs.
411 tristate "Xilinx AXI VDMA Engine"
412 depends on (ARCH_ZYNQ || MICROBLAZE)
415 Enable support for Xilinx AXI VDMA Soft IP.
417 This engine provides high-bandwidth direct memory access
418 between memory and AXI4-Stream video type target
419 peripherals including peripherals which support AXI4-
420 Stream Video Protocol. It has two stream interfaces/
421 channels, Memory Mapped to Stream (MM2S) and Stream to
422 Memory Mapped (S2MM) for the data transfers.
425 tristate "Allwinner A31 SoCs DMA support"
426 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
427 depends on RESET_CONTROLLER
429 select DMA_VIRTUAL_CHANNELS
431 Support for the DMA engine first found in Allwinner A31 SoCs.
434 tristate "Renesas Type-AXI NBPF DMA support"
436 depends on ARM || COMPILE_TEST
438 Support for "Type-AXI" NBPF DMA IPs from Renesas
441 tristate "IMG MDC support"
442 depends on MIPS || COMPILE_TEST
443 depends on MFD_SYSCON
445 select DMA_VIRTUAL_CHANNELS
447 Enable support for the IMG multi-threaded DMA controller (MDC).
450 tristate "APM X-Gene DMA support"
452 select DMA_ENGINE_RAID
453 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
455 Enable support for the APM X-Gene SoC DMA engine.
460 config DMA_VIRTUAL_CHANNELS
472 comment "DMA Clients"
473 depends on DMA_ENGINE
476 bool "Async_tx: Offload support for the async_tx api"
477 depends on DMA_ENGINE
479 This allows the async_tx api to take advantage of offload engines for
480 memcpy, memset, xor, and raid6 p+q operations. If your platform has
481 a dma engine that can perform raid operations and you have enabled
487 tristate "DMA Test client"
488 depends on DMA_ENGINE
490 Simple DMA test client. Say N unless you're debugging a
493 config DMA_ENGINE_RAID
497 tristate "QCOM BAM DMA support"
498 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
500 select DMA_VIRTUAL_CHANNELS
502 Enable support for the QCOM BAM DMA controller. This controller
503 provides DMA capabilities for a variety of on-chip devices.