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 381