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 36#core 37config ASYNC_TX_ENABLE_CHANNEL_SWITCH 38 bool 39 40config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 41 bool 42 43config DMA_ENGINE 44 bool 45 46config DMA_VIRTUAL_CHANNELS 47 tristate 48 49config DMA_ACPI 50 def_bool y 51 depends on ACPI 52 53config DMA_OF 54 def_bool y 55 depends on OF 56 select DMA_ENGINE 57 58#devices 59config AMBA_PL08X 60 bool "ARM PrimeCell PL080 or PL081 support" 61 depends on ARM_AMBA 62 select DMA_ENGINE 63 select DMA_VIRTUAL_CHANNELS 64 help 65 Platform has a PL08x DMAC device 66 which can provide DMA engine support 67 68config AMCC_PPC440SPE_ADMA 69 tristate "AMCC PPC440SPe ADMA support" 70 depends on 440SPe || 440SP 71 select DMA_ENGINE 72 select DMA_ENGINE_RAID 73 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 74 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 75 help 76 Enable support for the AMCC PPC440SPe RAID engines. 77 78config AT_HDMAC 79 tristate "Atmel AHB DMA support" 80 depends on ARCH_AT91 81 select DMA_ENGINE 82 help 83 Support the Atmel AHB DMA controller. 84 85config AT_XDMAC 86 tristate "Atmel XDMA support" 87 depends on ARCH_AT91 88 select DMA_ENGINE 89 help 90 Support the Atmel XDMA controller. 91 92config AXI_DMAC 93 tristate "Analog Devices AXI-DMAC DMA support" 94 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST 95 select DMA_ENGINE 96 select DMA_VIRTUAL_CHANNELS 97 help 98 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 99 controller is often used in Analog Device's reference designs for FPGA 100 platforms. 101 102config COH901318 103 bool "ST-Ericsson COH901318 DMA support" 104 select DMA_ENGINE 105 depends on ARCH_U300 106 help 107 Enable support for ST-Ericsson COH 901 318 DMA. 108 109config DMA_BCM2835 110 tristate "BCM2835 DMA engine support" 111 depends on ARCH_BCM2835 112 select DMA_ENGINE 113 select DMA_VIRTUAL_CHANNELS 114 115config DMA_JZ4740 116 tristate "JZ4740 DMA support" 117 depends on MACH_JZ4740 118 select DMA_ENGINE 119 select DMA_VIRTUAL_CHANNELS 120 121config DMA_JZ4780 122 tristate "JZ4780 DMA support" 123 depends on MACH_JZ4780 124 select DMA_ENGINE 125 select DMA_VIRTUAL_CHANNELS 126 help 127 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 128 If you have a board based on such a SoC and wish to use DMA for 129 devices which can use the DMA controller, say Y or M here. 130 131config DMA_OMAP 132 tristate "OMAP DMA support" 133 depends on ARCH_OMAP 134 select DMA_ENGINE 135 select DMA_VIRTUAL_CHANNELS 136 select TI_DMA_CROSSBAR if SOC_DRA7XX 137 138config DMA_SA11X0 139 tristate "SA-11x0 DMA support" 140 depends on ARCH_SA1100 141 select DMA_ENGINE 142 select DMA_VIRTUAL_CHANNELS 143 help 144 Support the DMA engine found on Intel StrongARM SA-1100 and 145 SA-1110 SoCs. This DMA engine can only be used with on-chip 146 devices. 147 148config DMA_SUN4I 149 tristate "Allwinner A10 DMA SoCs support" 150 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 151 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 152 select DMA_ENGINE 153 select DMA_OF 154 select DMA_VIRTUAL_CHANNELS 155 help 156 Enable support for the DMA controller present in the sun4i, 157 sun5i and sun7i Allwinner ARM SoCs. 158 159config DMA_SUN6I 160 tristate "Allwinner A31 SoCs DMA support" 161 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST 162 depends on RESET_CONTROLLER 163 select DMA_ENGINE 164 select DMA_VIRTUAL_CHANNELS 165 help 166 Support for the DMA engine first found in Allwinner A31 SoCs. 167 168config EP93XX_DMA 169 bool "Cirrus Logic EP93xx DMA support" 170 depends on ARCH_EP93XX 171 select DMA_ENGINE 172 help 173 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 174 175config FSL_DMA 176 tristate "Freescale Elo series DMA support" 177 depends on FSL_SOC 178 select DMA_ENGINE 179 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 180 ---help--- 181 Enable support for the Freescale Elo series DMA controllers. 182 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 183 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 184 some Txxx and Bxxx parts. 185 186config FSL_EDMA 187 tristate "Freescale eDMA engine support" 188 depends on OF 189 select DMA_ENGINE 190 select DMA_VIRTUAL_CHANNELS 191 help 192 Support the Freescale eDMA engine with programmable channel 193 multiplexing capability for DMA request sources(slot). 194 This module can be found on Freescale Vybrid and LS-1 SoCs. 195 196config FSL_RAID 197 tristate "Freescale RAID engine Support" 198 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 199 select DMA_ENGINE 200 select DMA_ENGINE_RAID 201 ---help--- 202 Enable support for Freescale RAID Engine. RAID Engine is 203 available on some QorIQ SoCs (like P5020/P5040). It has 204 the capability to offload memcpy, xor and pq computation 205 for raid5/6. 206 207config IMG_MDC_DMA 208 tristate "IMG MDC support" 209 depends on MIPS || COMPILE_TEST 210 depends on MFD_SYSCON 211 select DMA_ENGINE 212 select DMA_VIRTUAL_CHANNELS 213 help 214 Enable support for the IMG multi-threaded DMA controller (MDC). 215 216config IMX_DMA 217 tristate "i.MX DMA support" 218 depends on ARCH_MXC 219 select DMA_ENGINE 220 help 221 Support the i.MX DMA engine. This engine is integrated into 222 Freescale i.MX1/21/27 chips. 223 224config IMX_SDMA 225 tristate "i.MX SDMA support" 226 depends on ARCH_MXC 227 select DMA_ENGINE 228 help 229 Support the i.MX SDMA engine. This engine is integrated into 230 Freescale i.MX25/31/35/51/53/6 chips. 231 232config INTEL_IDMA64 233 tristate "Intel integrated DMA 64-bit support" 234 select DMA_ENGINE 235 select DMA_VIRTUAL_CHANNELS 236 help 237 Enable DMA support for Intel Low Power Subsystem such as found on 238 Intel Skylake PCH. 239 240config INTEL_IOATDMA 241 tristate "Intel I/OAT DMA support" 242 depends on PCI && X86_64 243 select DMA_ENGINE 244 select DMA_ENGINE_RAID 245 select DCA 246 help 247 Enable support for the Intel(R) I/OAT DMA engine present 248 in recent Intel Xeon chipsets. 249 250 Say Y here if you have such a chipset. 251 252 If unsure, say N. 253 254config INTEL_IOP_ADMA 255 tristate "Intel IOP ADMA support" 256 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 257 select DMA_ENGINE 258 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 259 help 260 Enable support for the Intel(R) IOP Series RAID engines. 261 262config INTEL_MIC_X100_DMA 263 tristate "Intel MIC X100 DMA Driver" 264 depends on 64BIT && X86 && INTEL_MIC_BUS 265 select DMA_ENGINE 266 help 267 This enables DMA support for the Intel Many Integrated Core 268 (MIC) family of PCIe form factor coprocessor X100 devices that 269 run a 64 bit Linux OS. This driver will be used by both MIC 270 host and card drivers. 271 272 If you are building host kernel with a MIC device or a card 273 kernel for a MIC device, then say M (recommended) or Y, else 274 say N. If unsure say N. 275 276 More information about the Intel MIC family as well as the Linux 277 OS and tools for MIC to use with this driver are available from 278 <http://software.intel.com/en-us/mic-developer>. 279 280config K3_DMA 281 tristate "Hisilicon K3 DMA support" 282 depends on ARCH_HI3xxx 283 select DMA_ENGINE 284 select DMA_VIRTUAL_CHANNELS 285 help 286 Support the DMA engine for Hisilicon K3 platform 287 devices. 288 289config LPC18XX_DMAMUX 290 bool "NXP LPC18xx/43xx DMA MUX for PL080" 291 depends on ARCH_LPC18XX || COMPILE_TEST 292 depends on OF && AMBA_PL08X 293 select MFD_SYSCON 294 help 295 Enable support for DMA on NXP LPC18xx/43xx platforms 296 with PL080 and multiplexed DMA request lines. 297 298config MMP_PDMA 299 bool "MMP PDMA support" 300 depends on (ARCH_MMP || ARCH_PXA) 301 select DMA_ENGINE 302 help 303 Support the MMP PDMA engine for PXA and MMP platform. 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 315config MOXART_DMA 316 tristate "MOXART DMA support" 317 depends on ARCH_MOXART 318 select DMA_ENGINE 319 select DMA_OF 320 select DMA_VIRTUAL_CHANNELS 321 help 322 Enable support for the MOXA ART SoC DMA controller. 323 324 Say Y here if you enabled MMP ADMA, otherwise say N. 325 326config MPC512X_DMA 327 tristate "Freescale MPC512x built-in DMA engine support" 328 depends on PPC_MPC512x || PPC_MPC831x 329 select DMA_ENGINE 330 ---help--- 331 Enable support for the Freescale MPC512x built-in DMA engine. 332 333config MV_XOR 334 bool "Marvell XOR engine support" 335 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 336 select DMA_ENGINE 337 select DMA_ENGINE_RAID 338 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 339 ---help--- 340 Enable support for the Marvell XOR engine. 341 342config MV_XOR_V2 343 bool "Marvell XOR engine version 2 support " 344 depends on ARM64 345 select DMA_ENGINE 346 select DMA_ENGINE_RAID 347 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 348 select GENERIC_MSI_IRQ_DOMAIN 349 ---help--- 350 Enable support for the Marvell version 2 XOR engine. 351 352 This engine provides acceleration for copy, XOR and RAID6 353 operations, and is available on Marvell Armada 7K and 8K 354 platforms. 355 356config MXS_DMA 357 bool "MXS DMA support" 358 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL 359 select STMP_DEVICE 360 select DMA_ENGINE 361 help 362 Support the MXS DMA engine. This engine including APBH-DMA 363 and APBX-DMA is integrated into Freescale 364 i.MX23/28/MX6Q/MX6DL/MX6UL chips. 365 366config MX3_IPU 367 bool "MX3x Image Processing Unit support" 368 depends on ARCH_MXC 369 select DMA_ENGINE 370 default y 371 help 372 If you plan to use the Image Processing unit in the i.MX3x, say 373 Y here. If unsure, select Y. 374 375config MX3_IPU_IRQS 376 int "Number of dynamically mapped interrupts for IPU" 377 depends on MX3_IPU 378 range 2 137 379 default 4 380 help 381 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 382 To avoid bloating the irq_desc[] array we allocate a sufficient 383 number of IRQ slots and map them dynamically to specific sources. 384 385config NBPFAXI_DMA 386 tristate "Renesas Type-AXI NBPF DMA support" 387 select DMA_ENGINE 388 depends on ARM || COMPILE_TEST 389 help 390 Support for "Type-AXI" NBPF DMA IPs from Renesas 391 392config PCH_DMA 393 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 394 depends on PCI && (X86_32 || COMPILE_TEST) 395 select DMA_ENGINE 396 help 397 Enable support for Intel EG20T PCH DMA engine. 398 399 This driver also can be used for LAPIS Semiconductor IOH(Input/ 400 Output Hub), ML7213, ML7223 and ML7831. 401 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 402 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 403 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 404 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 405 406config PL330_DMA 407 tristate "DMA API Driver for PL330" 408 select DMA_ENGINE 409 depends on ARM_AMBA 410 help 411 Select if your platform has one or more PL330 DMACs. 412 You need to provide platform specific settings via 413 platform_data for a dma-pl330 device. 414 415config PXA_DMA 416 bool "PXA DMA support" 417 depends on (ARCH_MMP || ARCH_PXA) 418 select DMA_ENGINE 419 select DMA_VIRTUAL_CHANNELS 420 help 421 Support the DMA engine for PXA. It is also compatible with MMP PDMA 422 platform. The internal DMA IP of all PXA variants is supported, with 423 16 to 32 channels for peripheral to memory or memory to memory 424 transfers. 425 426config SIRF_DMA 427 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 428 depends on ARCH_SIRF 429 select DMA_ENGINE 430 help 431 Enable support for the CSR SiRFprimaII DMA engine. 432 433config STE_DMA40 434 bool "ST-Ericsson DMA40 support" 435 depends on ARCH_U8500 436 select DMA_ENGINE 437 help 438 Support for ST-Ericsson DMA40 controller 439 440config STM32_DMA 441 bool "STMicroelectronics STM32 DMA support" 442 depends on ARCH_STM32 443 select DMA_ENGINE 444 select DMA_OF 445 select DMA_VIRTUAL_CHANNELS 446 help 447 Enable support for the on-chip DMA controller on STMicroelectronics 448 STM32 MCUs. 449 If you have a board based on such a MCU and wish to use DMA say Y or M 450 here. 451 452config S3C24XX_DMAC 453 bool "Samsung S3C24XX DMA support" 454 depends on ARCH_S3C24XX 455 select DMA_ENGINE 456 select DMA_VIRTUAL_CHANNELS 457 help 458 Support for the Samsung S3C24XX DMA controller driver. The 459 DMA controller is having multiple DMA channels which can be 460 configured for different peripherals like audio, UART, SPI. 461 The DMA controller can transfer data from memory to peripheral, 462 periphal to memory, periphal to periphal and memory to memory. 463 464config TXX9_DMAC 465 tristate "Toshiba TXx9 SoC DMA support" 466 depends on MACH_TX49XX || MACH_TX39XX 467 select DMA_ENGINE 468 help 469 Support the TXx9 SoC internal DMA controller. This can be 470 integrated in chips such as the Toshiba TX4927/38/39. 471 472config TEGRA20_APB_DMA 473 bool "NVIDIA Tegra20 APB DMA support" 474 depends on ARCH_TEGRA 475 select DMA_ENGINE 476 help 477 Support for the NVIDIA Tegra20 APB DMA controller driver. The 478 DMA controller is having multiple DMA channel which can be 479 configured for different peripherals like audio, UART, SPI, 480 I2C etc which is in APB bus. 481 This DMA controller transfers data from memory to peripheral fifo 482 or vice versa. It does not support memory to memory data transfer. 483 484config TEGRA210_ADMA 485 bool "NVIDIA Tegra210 ADMA support" 486 depends on ARCH_TEGRA_210_SOC 487 select DMA_ENGINE 488 select DMA_VIRTUAL_CHANNELS 489 select PM_CLK 490 help 491 Support for the NVIDIA Tegra210 ADMA controller driver. The 492 DMA controller has multiple DMA channels and is used to service 493 various audio clients in the Tegra210 audio processing engine 494 (APE). This DMA controller transfers data from memory to 495 peripheral and vice versa. It does not support memory to 496 memory data transfer. 497 498config TIMB_DMA 499 tristate "Timberdale FPGA DMA support" 500 depends on MFD_TIMBERDALE 501 select DMA_ENGINE 502 help 503 Enable support for the Timberdale FPGA DMA engine. 504 505config TI_CPPI41 506 tristate "AM33xx CPPI41 DMA support" 507 depends on ARCH_OMAP 508 select DMA_ENGINE 509 help 510 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 511 is currently used by the USB driver on AM335x platforms. 512 513config TI_DMA_CROSSBAR 514 bool 515 516config TI_EDMA 517 bool "TI EDMA support" 518 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE 519 select DMA_ENGINE 520 select DMA_VIRTUAL_CHANNELS 521 select TI_DMA_CROSSBAR if ARCH_OMAP 522 default n 523 help 524 Enable support for the TI EDMA controller. This DMA 525 engine is found on TI DaVinci and AM33xx parts. 526 527config XGENE_DMA 528 tristate "APM X-Gene DMA support" 529 depends on ARCH_XGENE || COMPILE_TEST 530 select DMA_ENGINE 531 select DMA_ENGINE_RAID 532 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 533 help 534 Enable support for the APM X-Gene SoC DMA engine. 535 536config XILINX_DMA 537 tristate "Xilinx AXI DMAS Engine" 538 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 539 select DMA_ENGINE 540 help 541 Enable support for Xilinx AXI VDMA Soft IP. 542 543 AXI VDMA engine provides high-bandwidth direct memory access 544 between memory and AXI4-Stream video type target 545 peripherals including peripherals which support AXI4- 546 Stream Video Protocol. It has two stream interfaces/ 547 channels, Memory Mapped to Stream (MM2S) and Stream to 548 Memory Mapped (S2MM) for the data transfers. 549 AXI CDMA engine provides high-bandwidth direct memory access 550 between a memory-mapped source address and a memory-mapped 551 destination address. 552 AXI DMA engine provides high-bandwidth one dimensional direct 553 memory access between memory and AXI4-Stream target peripherals. 554 555config XILINX_ZYNQMP_DMA 556 tristate "Xilinx ZynqMP DMA Engine" 557 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 558 select DMA_ENGINE 559 help 560 Enable support for Xilinx ZynqMP DMA controller. 561 562config ZX_DMA 563 tristate "ZTE ZX296702 DMA support" 564 depends on ARCH_ZX 565 select DMA_ENGINE 566 select DMA_VIRTUAL_CHANNELS 567 help 568 Support the DMA engine for ZTE ZX296702 platform devices. 569 570 571# driver files 572source "drivers/dma/bestcomm/Kconfig" 573 574source "drivers/dma/qcom/Kconfig" 575 576source "drivers/dma/dw/Kconfig" 577 578source "drivers/dma/hsu/Kconfig" 579 580source "drivers/dma/sh/Kconfig" 581 582# clients 583comment "DMA Clients" 584 depends on DMA_ENGINE 585 586config ASYNC_TX_DMA 587 bool "Async_tx: Offload support for the async_tx api" 588 depends on DMA_ENGINE 589 help 590 This allows the async_tx api to take advantage of offload engines for 591 memcpy, memset, xor, and raid6 p+q operations. If your platform has 592 a dma engine that can perform raid operations and you have enabled 593 MD_RAID456 say Y. 594 595 If unsure, say N. 596 597config DMATEST 598 tristate "DMA Test client" 599 depends on DMA_ENGINE 600 help 601 Simple DMA test client. Say N unless you're debugging a 602 DMA Device driver. 603 604config DMA_ENGINE_RAID 605 bool 606 607endif 608