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.
37 tristate "Intel MID DMA support for Peripheral DMA controllers"
42 Enable support for the Intel(R) MID DMA engine present
43 in Intel MID chipsets.
45 Say Y here if you have such a chipset.
49 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
53 bool "ARM PrimeCell PL080 or PL081 support"
56 select DMA_VIRTUAL_CHANNELS
58 Platform has a PL08x DMAC device
59 which can provide DMA engine support
62 tristate "Intel I/OAT DMA support"
65 select DMA_ENGINE_RAID
68 Enable support for the Intel(R) I/OAT DMA engine present
69 in recent Intel Xeon chipsets.
71 Say Y here if you have such a chipset.
76 tristate "Intel IOP ADMA support"
77 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
79 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
81 Enable support for the Intel(R) IOP Series RAID engines.
83 source "drivers/dma/dw/Kconfig"
86 tristate "Atmel AHB DMA support"
90 Support the Atmel AHB DMA controller.
93 tristate "Freescale Elo series DMA support"
96 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
98 Enable support for the Freescale Elo series DMA controllers.
99 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
100 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
101 some Txxx and Bxxx parts.
104 tristate "Freescale MPC512x built-in DMA engine support"
105 depends on PPC_MPC512x || PPC_MPC831x
108 Enable support for the Freescale MPC512x built-in DMA engine.
110 source "drivers/dma/bestcomm/Kconfig"
113 bool "Marvell XOR engine support"
114 depends on PLAT_ORION
116 select DMA_ENGINE_RAID
117 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
119 Enable support for the Marvell XOR engine.
122 bool "MX3x Image Processing Unit support"
127 If you plan to use the Image Processing unit in the i.MX3x, say
128 Y here. If unsure, select Y.
131 int "Number of dynamically mapped interrupts for IPU"
136 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
137 To avoid bloating the irq_desc[] array we allocate a sufficient
138 number of IRQ slots and map them dynamically to specific sources.
141 tristate "Toshiba TXx9 SoC DMA support"
142 depends on MACH_TX49XX || MACH_TX39XX
145 Support the TXx9 SoC internal DMA controller. This can be
146 integrated in chips such as the Toshiba TX4927/38/39.
148 config TEGRA20_APB_DMA
149 bool "NVIDIA Tegra20 APB DMA support"
150 depends on ARCH_TEGRA
153 Support for the NVIDIA Tegra20 APB DMA controller driver. The
154 DMA controller is having multiple DMA channel which can be
155 configured for different peripherals like audio, UART, SPI,
156 I2C etc which is in APB bus.
157 This DMA controller transfers data from memory to peripheral fifo
158 or vice versa. It does not support memory to memory data transfer.
161 tristate "Samsung S3C24XX DMA support"
162 depends on ARCH_S3C24XX && !S3C24XX_DMA
164 select DMA_VIRTUAL_CHANNELS
166 Support for the Samsung S3C24XX DMA controller driver. The
167 DMA controller is having multiple DMA channels which can be
168 configured for different peripherals like audio, UART, SPI.
169 The DMA controller can transfer data from memory to peripheral,
170 periphal to memory, periphal to periphal and memory to memory.
172 source "drivers/dma/sh/Kconfig"
175 bool "ST-Ericsson COH901318 DMA support"
179 Enable support for ST-Ericsson COH 901 318 DMA.
182 bool "ST-Ericsson DMA40 support"
183 depends on ARCH_U8500
186 Support for ST-Ericsson DMA40 controller
188 config AMCC_PPC440SPE_ADMA
189 tristate "AMCC PPC440SPe ADMA support"
190 depends on 440SPe || 440SP
192 select DMA_ENGINE_RAID
193 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
194 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
196 Enable support for the AMCC PPC440SPe RAID engines.
199 tristate "Timberdale FPGA DMA support"
200 depends on MFD_TIMBERDALE || HAS_IOMEM
203 Enable support for the Timberdale FPGA DMA engine.
206 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
210 Enable support for the CSR SiRFprimaII DMA engine.
213 bool "TI EDMA support"
214 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
216 select DMA_VIRTUAL_CHANNELS
220 Enable support for the TI EDMA controller. This DMA
221 engine is found on TI DaVinci and AM33xx parts.
223 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
227 tristate "DMA API Driver for PL330"
231 Select if your platform has one or more PL330 DMACs.
232 You need to provide platform specific settings via
233 platform_data for a dma-pl330 device.
236 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
237 depends on PCI && X86
240 Enable support for Intel EG20T PCH DMA engine.
242 This driver also can be used for LAPIS Semiconductor IOH(Input/
243 Output Hub), ML7213, ML7223 and ML7831.
244 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
245 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
246 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
247 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
250 tristate "i.MX SDMA support"
254 Support the i.MX SDMA engine. This engine is integrated into
255 Freescale i.MX25/31/35/51/53 chips.
258 tristate "i.MX DMA support"
262 Support the i.MX DMA engine. This engine is integrated into
263 Freescale i.MX1/21/27 chips.
266 bool "MXS DMA support"
267 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
271 Support the MXS DMA engine. This engine including APBH-DMA
272 and APBX-DMA is integrated into Freescale i.MX23/28 chips.
275 bool "Cirrus Logic EP93xx DMA support"
276 depends on ARCH_EP93XX
279 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
282 tristate "SA-11x0 DMA support"
283 depends on ARCH_SA1100
285 select DMA_VIRTUAL_CHANNELS
287 Support the DMA engine found on Intel StrongARM SA-1100 and
288 SA-1110 SoCs. This DMA engine can only be used with on-chip
292 bool "MMP Two-Channel DMA support"
296 Support the MMP Two-Channel DMA engine.
297 This engine used for MMP Audio DMA and pxa910 SQU.
299 Say Y here if you enabled MMP ADMA, otherwise say N.
302 tristate "OMAP DMA support"
305 select DMA_VIRTUAL_CHANNELS
308 tristate "AM33xx CPPI41 DMA support"
312 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
313 is currently used by the USB driver on AM335x platforms.
316 bool "MMP PDMA support"
317 depends on (ARCH_MMP || ARCH_PXA)
320 Support the MMP PDMA engine for PXA and MMP platform.
323 tristate "JZ4740 DMA support"
324 depends on MACH_JZ4740
326 select DMA_VIRTUAL_CHANNELS
329 tristate "Hisilicon K3 DMA support"
330 depends on ARCH_HI3xxx
332 select DMA_VIRTUAL_CHANNELS
334 Support the DMA engine for Hisilicon K3 platform
340 config DMA_VIRTUAL_CHANNELS
351 comment "DMA Clients"
352 depends on DMA_ENGINE
355 bool "Network: TCP receive copy offload"
356 depends on DMA_ENGINE && NET
357 default (INTEL_IOATDMA || FSL_DMA)
360 This enables the use of DMA engines in the network stack to
361 offload receive copy-to-user operations, freeing CPU cycles.
363 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
367 bool "Async_tx: Offload support for the async_tx api"
368 depends on DMA_ENGINE
370 This allows the async_tx api to take advantage of offload engines for
371 memcpy, memset, xor, and raid6 p+q operations. If your platform has
372 a dma engine that can perform raid operations and you have enabled
378 tristate "DMA Test client"
379 depends on DMA_ENGINE
381 Simple DMA test client. Say N unless you're debugging a
384 config DMA_ENGINE_RAID