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 88config IDMA64 89 tristate "Intel integrated DMA 64-bit support" 90 select DMA_ENGINE 91 select DMA_VIRTUAL_CHANNELS 92 help 93 Enable DMA support for Intel Low Power Subsystem such as found on 94 Intel Skylake PCH. 95 96source "drivers/dma/dw/Kconfig" 97 98config AT_HDMAC 99 tristate "Atmel AHB DMA support" 100 depends on ARCH_AT91 101 select DMA_ENGINE 102 help 103 Support the Atmel AHB DMA controller. 104 105config AT_XDMAC 106 tristate "Atmel XDMA support" 107 depends on ARCH_AT91 108 select DMA_ENGINE 109 help 110 Support the Atmel XDMA controller. 111 112config FSL_DMA 113 tristate "Freescale Elo series DMA support" 114 depends on FSL_SOC 115 select DMA_ENGINE 116 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 117 ---help--- 118 Enable support for the Freescale Elo series DMA controllers. 119 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 120 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 121 some Txxx and Bxxx parts. 122 123config FSL_RAID 124 tristate "Freescale RAID engine Support" 125 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 126 select DMA_ENGINE 127 select DMA_ENGINE_RAID 128 ---help--- 129 Enable support for Freescale RAID Engine. RAID Engine is 130 available on some QorIQ SoCs (like P5020/P5040). It has 131 the capability to offload memcpy, xor and pq computation 132 for raid5/6. 133 134source "drivers/dma/hsu/Kconfig" 135 136config MPC512X_DMA 137 tristate "Freescale MPC512x built-in DMA engine support" 138 depends on PPC_MPC512x || PPC_MPC831x 139 select DMA_ENGINE 140 ---help--- 141 Enable support for the Freescale MPC512x built-in DMA engine. 142 143source "drivers/dma/bestcomm/Kconfig" 144 145config MV_XOR 146 bool "Marvell XOR engine support" 147 depends on PLAT_ORION 148 select DMA_ENGINE 149 select DMA_ENGINE_RAID 150 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 151 ---help--- 152 Enable support for the Marvell XOR engine. 153 154config MX3_IPU 155 bool "MX3x Image Processing Unit support" 156 depends on ARCH_MXC 157 select DMA_ENGINE 158 default y 159 help 160 If you plan to use the Image Processing unit in the i.MX3x, say 161 Y here. If unsure, select Y. 162 163config MX3_IPU_IRQS 164 int "Number of dynamically mapped interrupts for IPU" 165 depends on MX3_IPU 166 range 2 137 167 default 4 168 help 169 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 170 To avoid bloating the irq_desc[] array we allocate a sufficient 171 number of IRQ slots and map them dynamically to specific sources. 172 173config PXA_DMA 174 bool "PXA DMA support" 175 depends on (ARCH_MMP || ARCH_PXA) 176 select DMA_ENGINE 177 select DMA_VIRTUAL_CHANNELS 178 help 179 Support the DMA engine for PXA. It is also compatible with MMP PDMA 180 platform. The internal DMA IP of all PXA variants is supported, with 181 16 to 32 channels for peripheral to memory or memory to memory 182 transfers. 183 184config TXX9_DMAC 185 tristate "Toshiba TXx9 SoC DMA support" 186 depends on MACH_TX49XX || MACH_TX39XX 187 select DMA_ENGINE 188 help 189 Support the TXx9 SoC internal DMA controller. This can be 190 integrated in chips such as the Toshiba TX4927/38/39. 191 192config TEGRA20_APB_DMA 193 bool "NVIDIA Tegra20 APB DMA support" 194 depends on ARCH_TEGRA 195 select DMA_ENGINE 196 help 197 Support for the NVIDIA Tegra20 APB DMA controller driver. The 198 DMA controller is having multiple DMA channel which can be 199 configured for different peripherals like audio, UART, SPI, 200 I2C etc which is in APB bus. 201 This DMA controller transfers data from memory to peripheral fifo 202 or vice versa. It does not support memory to memory data transfer. 203 204config S3C24XX_DMAC 205 tristate "Samsung S3C24XX DMA support" 206 depends on ARCH_S3C24XX 207 select DMA_ENGINE 208 select DMA_VIRTUAL_CHANNELS 209 help 210 Support for the Samsung S3C24XX DMA controller driver. The 211 DMA controller is having multiple DMA channels which can be 212 configured for different peripherals like audio, UART, SPI. 213 The DMA controller can transfer data from memory to peripheral, 214 periphal to memory, periphal to periphal and memory to memory. 215 216source "drivers/dma/sh/Kconfig" 217 218config COH901318 219 bool "ST-Ericsson COH901318 DMA support" 220 select DMA_ENGINE 221 depends on ARCH_U300 222 help 223 Enable support for ST-Ericsson COH 901 318 DMA. 224 225config STE_DMA40 226 bool "ST-Ericsson DMA40 support" 227 depends on ARCH_U8500 228 select DMA_ENGINE 229 help 230 Support for ST-Ericsson DMA40 controller 231 232config AMCC_PPC440SPE_ADMA 233 tristate "AMCC PPC440SPe ADMA support" 234 depends on 440SPe || 440SP 235 select DMA_ENGINE 236 select DMA_ENGINE_RAID 237 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 238 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 239 help 240 Enable support for the AMCC PPC440SPe RAID engines. 241 242config TIMB_DMA 243 tristate "Timberdale FPGA DMA support" 244 depends on MFD_TIMBERDALE 245 select DMA_ENGINE 246 help 247 Enable support for the Timberdale FPGA DMA engine. 248 249config SIRF_DMA 250 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 251 depends on ARCH_SIRF 252 select DMA_ENGINE 253 help 254 Enable support for the CSR SiRFprimaII DMA engine. 255 256config TI_EDMA 257 bool "TI EDMA support" 258 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE 259 select DMA_ENGINE 260 select DMA_VIRTUAL_CHANNELS 261 select TI_PRIV_EDMA 262 default n 263 help 264 Enable support for the TI EDMA controller. This DMA 265 engine is found on TI DaVinci and AM33xx parts. 266 267config TI_DMA_CROSSBAR 268 bool 269 270config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 271 bool 272 273config PL330_DMA 274 tristate "DMA API Driver for PL330" 275 select DMA_ENGINE 276 depends on ARM_AMBA 277 help 278 Select if your platform has one or more PL330 DMACs. 279 You need to provide platform specific settings via 280 platform_data for a dma-pl330 device. 281 282config PCH_DMA 283 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 284 depends on PCI && (X86_32 || COMPILE_TEST) 285 select DMA_ENGINE 286 help 287 Enable support for Intel EG20T PCH DMA engine. 288 289 This driver also can be used for LAPIS Semiconductor IOH(Input/ 290 Output Hub), ML7213, ML7223 and ML7831. 291 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 292 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 293 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 294 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 295 296config IMX_SDMA 297 tristate "i.MX SDMA support" 298 depends on ARCH_MXC 299 select DMA_ENGINE 300 help 301 Support the i.MX SDMA engine. This engine is integrated into 302 Freescale i.MX25/31/35/51/53/6 chips. 303 304config IMX_DMA 305 tristate "i.MX DMA support" 306 depends on ARCH_MXC 307 select DMA_ENGINE 308 help 309 Support the i.MX DMA engine. This engine is integrated into 310 Freescale i.MX1/21/27 chips. 311 312config MXS_DMA 313 bool "MXS DMA support" 314 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q 315 select STMP_DEVICE 316 select DMA_ENGINE 317 help 318 Support the MXS DMA engine. This engine including APBH-DMA 319 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips. 320 321config EP93XX_DMA 322 bool "Cirrus Logic EP93xx DMA support" 323 depends on ARCH_EP93XX 324 select DMA_ENGINE 325 help 326 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 327 328config DMA_SA11X0 329 tristate "SA-11x0 DMA support" 330 depends on ARCH_SA1100 331 select DMA_ENGINE 332 select DMA_VIRTUAL_CHANNELS 333 help 334 Support the DMA engine found on Intel StrongARM SA-1100 and 335 SA-1110 SoCs. This DMA engine can only be used with on-chip 336 devices. 337 338config MMP_TDMA 339 bool "MMP Two-Channel DMA support" 340 depends on ARCH_MMP 341 select DMA_ENGINE 342 select MMP_SRAM 343 help 344 Support the MMP Two-Channel DMA engine. 345 This engine used for MMP Audio DMA and pxa910 SQU. 346 It needs sram driver under mach-mmp. 347 348 Say Y here if you enabled MMP ADMA, otherwise say N. 349 350config DMA_OMAP 351 tristate "OMAP DMA support" 352 depends on ARCH_OMAP 353 select DMA_ENGINE 354 select DMA_VIRTUAL_CHANNELS 355 select TI_DMA_CROSSBAR if SOC_DRA7XX 356 357config DMA_BCM2835 358 tristate "BCM2835 DMA engine support" 359 depends on ARCH_BCM2835 360 select DMA_ENGINE 361 select DMA_VIRTUAL_CHANNELS 362 363config TI_CPPI41 364 tristate "AM33xx CPPI41 DMA support" 365 depends on ARCH_OMAP 366 select DMA_ENGINE 367 help 368 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 369 is currently used by the USB driver on AM335x platforms. 370 371config MMP_PDMA 372 bool "MMP PDMA support" 373 depends on (ARCH_MMP || ARCH_PXA) 374 select DMA_ENGINE 375 help 376 Support the MMP PDMA engine for PXA and MMP platform. 377 378config DMA_JZ4740 379 tristate "JZ4740 DMA support" 380 depends on MACH_JZ4740 381 select DMA_ENGINE 382 select DMA_VIRTUAL_CHANNELS 383 384config DMA_JZ4780 385 tristate "JZ4780 DMA support" 386 depends on MACH_JZ4780 387 select DMA_ENGINE 388 select DMA_VIRTUAL_CHANNELS 389 help 390 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 391 If you have a board based on such a SoC and wish to use DMA for 392 devices which can use the DMA controller, say Y or M here. 393 394config K3_DMA 395 tristate "Hisilicon K3 DMA support" 396 depends on ARCH_HI3xxx 397 select DMA_ENGINE 398 select DMA_VIRTUAL_CHANNELS 399 help 400 Support the DMA engine for Hisilicon K3 platform 401 devices. 402 403config MOXART_DMA 404 tristate "MOXART DMA support" 405 depends on ARCH_MOXART 406 select DMA_ENGINE 407 select DMA_OF 408 select DMA_VIRTUAL_CHANNELS 409 help 410 Enable support for the MOXA ART SoC DMA controller. 411 412config FSL_EDMA 413 tristate "Freescale eDMA engine support" 414 depends on OF 415 select DMA_ENGINE 416 select DMA_VIRTUAL_CHANNELS 417 help 418 Support the Freescale eDMA engine with programmable channel 419 multiplexing capability for DMA request sources(slot). 420 This module can be found on Freescale Vybrid and LS-1 SoCs. 421 422config XILINX_VDMA 423 tristate "Xilinx AXI VDMA Engine" 424 depends on (ARCH_ZYNQ || MICROBLAZE) 425 select DMA_ENGINE 426 help 427 Enable support for Xilinx AXI VDMA Soft IP. 428 429 This engine provides high-bandwidth direct memory access 430 between memory and AXI4-Stream video type target 431 peripherals including peripherals which support AXI4- 432 Stream Video Protocol. It has two stream interfaces/ 433 channels, Memory Mapped to Stream (MM2S) and Stream to 434 Memory Mapped (S2MM) for the data transfers. 435 436config DMA_SUN6I 437 tristate "Allwinner A31 SoCs DMA support" 438 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST 439 depends on RESET_CONTROLLER 440 select DMA_ENGINE 441 select DMA_VIRTUAL_CHANNELS 442 help 443 Support for the DMA engine first found in Allwinner A31 SoCs. 444 445config NBPFAXI_DMA 446 tristate "Renesas Type-AXI NBPF DMA support" 447 select DMA_ENGINE 448 depends on ARM || COMPILE_TEST 449 help 450 Support for "Type-AXI" NBPF DMA IPs from Renesas 451 452config IMG_MDC_DMA 453 tristate "IMG MDC support" 454 depends on MIPS || COMPILE_TEST 455 depends on MFD_SYSCON 456 select DMA_ENGINE 457 select DMA_VIRTUAL_CHANNELS 458 help 459 Enable support for the IMG multi-threaded DMA controller (MDC). 460 461config XGENE_DMA 462 tristate "APM X-Gene DMA support" 463 depends on ARCH_XGENE || COMPILE_TEST 464 select DMA_ENGINE 465 select DMA_ENGINE_RAID 466 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 467 help 468 Enable support for the APM X-Gene SoC DMA engine. 469 470config DMA_ENGINE 471 bool 472 473config DMA_VIRTUAL_CHANNELS 474 tristate 475 476config DMA_ACPI 477 def_bool y 478 depends on ACPI 479 480config DMA_OF 481 def_bool y 482 depends on OF 483 select DMA_ENGINE 484 485comment "DMA Clients" 486 depends on DMA_ENGINE 487 488config ASYNC_TX_DMA 489 bool "Async_tx: Offload support for the async_tx api" 490 depends on DMA_ENGINE 491 help 492 This allows the async_tx api to take advantage of offload engines for 493 memcpy, memset, xor, and raid6 p+q operations. If your platform has 494 a dma engine that can perform raid operations and you have enabled 495 MD_RAID456 say Y. 496 497 If unsure, say N. 498 499config DMATEST 500 tristate "DMA Test client" 501 depends on DMA_ENGINE 502 help 503 Simple DMA test client. Say N unless you're debugging a 504 DMA Device driver. 505 506config DMA_ENGINE_RAID 507 bool 508 509config QCOM_BAM_DMA 510 tristate "QCOM BAM DMA support" 511 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM) 512 select DMA_ENGINE 513 select DMA_VIRTUAL_CHANNELS 514 ---help--- 515 Enable support for the QCOM BAM DMA controller. This controller 516 provides DMA capabilities for a variety of on-chip devices. 517 518endif 519