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