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1#
2# DMA engine configuration
3#
4
5menuconfig 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
16config 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
23config 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
32if DMADEVICES
33
34comment "DMA Devices"
35
36config INTEL_MID_DMAC
37 tristate "Intel MID DMA support for Peripheral DMA controllers"
38 depends on PCI && X86
39 select DMA_ENGINE
40 default n
41 help
42 Enable support for the Intel(R) MID DMA engine present
43 in Intel MID chipsets.
44
45 Say Y here if you have such a chipset.
46
47 If unsure, say N.
48
49config ASYNC_TX_ENABLE_CHANNEL_SWITCH
50 bool
51
52config AMBA_PL08X
53 bool "ARM PrimeCell PL080 or PL081 support"
54 depends on ARM_AMBA
55 select DMA_ENGINE
56 select DMA_VIRTUAL_CHANNELS
57 help
58 Platform has a PL08x DMAC device
59 which can provide DMA engine support
60
61config INTEL_IOATDMA
62 tristate "Intel I/OAT DMA support"
63 depends on PCI && X86
64 select DMA_ENGINE
65 select DCA
66 help
67 Enable support for the Intel(R) I/OAT DMA engine present
68 in recent Intel Xeon chipsets.
69
70 Say Y here if you have such a chipset.
71
72 If unsure, say N.
73
74config INTEL_IOP_ADMA
75 tristate "Intel IOP ADMA support"
76 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
77 select DMA_ENGINE
78 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
79 help
80 Enable support for the Intel(R) IOP Series RAID engines.
81
82source "drivers/dma/dw/Kconfig"
83
84config AT_HDMAC
85 tristate "Atmel AHB DMA support"
86 depends on ARCH_AT91
87 select DMA_ENGINE
88 help
89 Support the Atmel AHB DMA controller.
90
91config FSL_DMA
92 tristate "Freescale Elo series DMA support"
93 depends on FSL_SOC
94 select DMA_ENGINE
95 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
96 ---help---
97 Enable support for the Freescale Elo series DMA controllers.
98 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
99 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
100 some Txxx and Bxxx parts.
101
102config MPC512X_DMA
103 tristate "Freescale MPC512x built-in DMA engine support"
104 depends on PPC_MPC512x || PPC_MPC831x
105 select DMA_ENGINE
106 ---help---
107 Enable support for the Freescale MPC512x built-in DMA engine.
108
109source "drivers/dma/bestcomm/Kconfig"
110
111config MV_XOR
112 bool "Marvell XOR engine support"
113 depends on PLAT_ORION
114 select DMA_ENGINE
115 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
116 ---help---
117 Enable support for the Marvell XOR engine.
118
119config MX3_IPU
120 bool "MX3x Image Processing Unit support"
121 depends on ARCH_MXC
122 select DMA_ENGINE
123 default y
124 help
125 If you plan to use the Image Processing unit in the i.MX3x, say
126 Y here. If unsure, select Y.
127
128config MX3_IPU_IRQS
129 int "Number of dynamically mapped interrupts for IPU"
130 depends on MX3_IPU
131 range 2 137
132 default 4
133 help
134 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
135 To avoid bloating the irq_desc[] array we allocate a sufficient
136 number of IRQ slots and map them dynamically to specific sources.
137
138config TXX9_DMAC
139 tristate "Toshiba TXx9 SoC DMA support"
140 depends on MACH_TX49XX || MACH_TX39XX
141 select DMA_ENGINE
142 help
143 Support the TXx9 SoC internal DMA controller. This can be
144 integrated in chips such as the Toshiba TX4927/38/39.
145
146config TEGRA20_APB_DMA
147 bool "NVIDIA Tegra20 APB DMA support"
148 depends on ARCH_TEGRA
149 select DMA_ENGINE
150 help
151 Support for the NVIDIA Tegra20 APB DMA controller driver. The
152 DMA controller is having multiple DMA channel which can be
153 configured for different peripherals like audio, UART, SPI,
154 I2C etc which is in APB bus.
155 This DMA controller transfers data from memory to peripheral fifo
156 or vice versa. It does not support memory to memory data transfer.
157
158config S3C24XX_DMAC
159 tristate "Samsung S3C24XX DMA support"
160 depends on ARCH_S3C24XX && !S3C24XX_DMA
161 select DMA_ENGINE
162 select DMA_VIRTUAL_CHANNELS
163 help
164 Support for the Samsung S3C24XX DMA controller driver. The
165 DMA controller is having multiple DMA channels which can be
166 configured for different peripherals like audio, UART, SPI.
167 The DMA controller can transfer data from memory to peripheral,
168 periphal to memory, periphal to periphal and memory to memory.
169
170source "drivers/dma/sh/Kconfig"
171
172config COH901318
173 bool "ST-Ericsson COH901318 DMA support"
174 select DMA_ENGINE
175 depends on ARCH_U300
176 help
177 Enable support for ST-Ericsson COH 901 318 DMA.
178
179config STE_DMA40
180 bool "ST-Ericsson DMA40 support"
181 depends on ARCH_U8500
182 select DMA_ENGINE
183 help
184 Support for ST-Ericsson DMA40 controller
185
186config AMCC_PPC440SPE_ADMA
187 tristate "AMCC PPC440SPe ADMA support"
188 depends on 440SPe || 440SP
189 select DMA_ENGINE
190 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
191 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
192 help
193 Enable support for the AMCC PPC440SPe RAID engines.
194
195config TIMB_DMA
196 tristate "Timberdale FPGA DMA support"
197 depends on MFD_TIMBERDALE || HAS_IOMEM
198 select DMA_ENGINE
199 help
200 Enable support for the Timberdale FPGA DMA engine.
201
202config SIRF_DMA
203 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
204 depends on ARCH_SIRF
205 select DMA_ENGINE
206 help
207 Enable support for the CSR SiRFprimaII DMA engine.
208
209config TI_EDMA
210 bool "TI EDMA support"
211 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
212 select DMA_ENGINE
213 select DMA_VIRTUAL_CHANNELS
214 select TI_PRIV_EDMA
215 default n
216 help
217 Enable support for the TI EDMA controller. This DMA
218 engine is found on TI DaVinci and AM33xx parts.
219
220config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
221 bool
222
223config PL330_DMA
224 tristate "DMA API Driver for PL330"
225 select DMA_ENGINE
226 depends on ARM_AMBA
227 help
228 Select if your platform has one or more PL330 DMACs.
229 You need to provide platform specific settings via
230 platform_data for a dma-pl330 device.
231
232config PCH_DMA
233 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
234 depends on PCI && X86
235 select DMA_ENGINE
236 help
237 Enable support for Intel EG20T PCH DMA engine.
238
239 This driver also can be used for LAPIS Semiconductor IOH(Input/
240 Output Hub), ML7213, ML7223 and ML7831.
241 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
242 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
243 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
244 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
245
246config IMX_SDMA
247 tristate "i.MX SDMA support"
248 depends on ARCH_MXC
249 select DMA_ENGINE
250 help
251 Support the i.MX SDMA engine. This engine is integrated into
252 Freescale i.MX25/31/35/51/53 chips.
253
254config IMX_DMA
255 tristate "i.MX DMA support"
256 depends on ARCH_MXC
257 select DMA_ENGINE
258 help
259 Support the i.MX DMA engine. This engine is integrated into
260 Freescale i.MX1/21/27 chips.
261
262config MXS_DMA
263 bool "MXS DMA support"
264 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
265 select STMP_DEVICE
266 select DMA_ENGINE
267 help
268 Support the MXS DMA engine. This engine including APBH-DMA
269 and APBX-DMA is integrated into Freescale i.MX23/28 chips.
270
271config EP93XX_DMA
272 bool "Cirrus Logic EP93xx DMA support"
273 depends on ARCH_EP93XX
274 select DMA_ENGINE
275 help
276 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
277
278config DMA_SA11X0
279 tristate "SA-11x0 DMA support"
280 depends on ARCH_SA1100
281 select DMA_ENGINE
282 select DMA_VIRTUAL_CHANNELS
283 help
284 Support the DMA engine found on Intel StrongARM SA-1100 and
285 SA-1110 SoCs. This DMA engine can only be used with on-chip
286 devices.
287
288config MMP_TDMA
289 bool "MMP Two-Channel DMA support"
290 depends on ARCH_MMP
291 select DMA_ENGINE
292 help
293 Support the MMP Two-Channel DMA engine.
294 This engine used for MMP Audio DMA and pxa910 SQU.
295
296 Say Y here if you enabled MMP ADMA, otherwise say N.
297
298config DMA_OMAP
299 tristate "OMAP DMA support"
300 depends on ARCH_OMAP
301 select DMA_ENGINE
302 select DMA_VIRTUAL_CHANNELS
303
304config TI_CPPI41
305 tristate "AM33xx CPPI41 DMA support"
306 depends on ARCH_OMAP
307 select DMA_ENGINE
308 help
309 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
310 is currently used by the USB driver on AM335x platforms.
311
312config MMP_PDMA
313 bool "MMP PDMA support"
314 depends on (ARCH_MMP || ARCH_PXA)
315 select DMA_ENGINE
316 help
317 Support the MMP PDMA engine for PXA and MMP platform.
318
319config DMA_JZ4740
320 tristate "JZ4740 DMA support"
321 depends on MACH_JZ4740
322 select DMA_ENGINE
323 select DMA_VIRTUAL_CHANNELS
324
325config K3_DMA
326 tristate "Hisilicon K3 DMA support"
327 depends on ARCH_HI3xxx
328 select DMA_ENGINE
329 select DMA_VIRTUAL_CHANNELS
330 help
331 Support the DMA engine for Hisilicon K3 platform
332 devices.
333
334config DMA_ENGINE
335 bool
336
337config DMA_VIRTUAL_CHANNELS
338 tristate
339
340config DMA_ACPI
341 def_bool y
342 depends on ACPI
343
344config DMA_OF
345 def_bool y
346 depends on OF
347
348comment "DMA Clients"
349 depends on DMA_ENGINE
350
351config NET_DMA
352 bool "Network: TCP receive copy offload"
353 depends on DMA_ENGINE && NET
354 default (INTEL_IOATDMA || FSL_DMA)
355 help
356 This enables the use of DMA engines in the network stack to
357 offload receive copy-to-user operations, freeing CPU cycles.
358
359 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
360 say N.
361
362config ASYNC_TX_DMA
363 bool "Async_tx: Offload support for the async_tx api"
364 depends on DMA_ENGINE
365 help
366 This allows the async_tx api to take advantage of offload engines for
367 memcpy, memset, xor, and raid6 p+q operations. If your platform has
368 a dma engine that can perform raid operations and you have enabled
369 MD_RAID456 say Y.
370
371 If unsure, say N.
372
373config DMATEST
374 tristate "DMA Test client"
375 depends on DMA_ENGINE
376 help
377 Simple DMA test client. Say N unless you're debugging a
378 DMA Device driver.
379
380endif