1# SPDX-License-Identifier: GPL-2.0-only 2# 3# DMA engine configuration 4# 5 6menuconfig DMADEVICES 7 bool "DMA Engine support" 8 depends on HAS_DMA 9 help 10 DMA engines can do asynchronous data transfers without 11 involving the host CPU. Currently, this framework can be 12 used to offload memory copies in the network stack and 13 RAID operations in the MD driver. This menu only presents 14 DMA Device drivers supported by the configured arch, it may 15 be empty in some cases. 16 17config DMADEVICES_DEBUG 18 bool "DMA Engine debugging" 19 depends on DMADEVICES != n 20 help 21 This is an option for use by developers; most people should 22 say N here. This enables DMA engine core and driver debugging. 23 24config DMADEVICES_VDEBUG 25 bool "DMA Engine verbose debugging" 26 depends on DMADEVICES_DEBUG != n 27 help 28 This is an option for use by developers; most people should 29 say N here. This enables deeper (more verbose) debugging of 30 the DMA engine core and drivers. 31 32 33if DMADEVICES 34 35comment "DMA Devices" 36 37#core 38config ASYNC_TX_ENABLE_CHANNEL_SWITCH 39 bool 40 41config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 42 bool 43 44config DMA_ENGINE 45 bool 46 47config DMA_VIRTUAL_CHANNELS 48 tristate 49 50config DMA_ACPI 51 def_bool y 52 depends on ACPI 53 54config DMA_OF 55 def_bool y 56 depends on OF 57 select DMA_ENGINE 58 59#devices 60config ALTERA_MSGDMA 61 tristate "Altera / Intel mSGDMA Engine" 62 depends on HAS_IOMEM 63 select DMA_ENGINE 64 help 65 Enable support for Altera / Intel mSGDMA controller. 66 67config AMBA_PL08X 68 bool "ARM PrimeCell PL080 or PL081 support" 69 depends on ARM_AMBA 70 select DMA_ENGINE 71 select DMA_VIRTUAL_CHANNELS 72 help 73 Say yes if your platform has a PL08x DMAC device which can 74 provide DMA engine support. This includes the original ARM 75 PL080 and PL081, Samsungs PL080 derivative and Faraday 76 Technology's FTDMAC020 PL080 derivative. 77 78config AMCC_PPC440SPE_ADMA 79 tristate "AMCC PPC440SPe ADMA support" 80 depends on 440SPe || 440SP 81 select DMA_ENGINE 82 select DMA_ENGINE_RAID 83 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 85 help 86 Enable support for the AMCC PPC440SPe RAID engines. 87 88config APPLE_ADMAC 89 tristate "Apple ADMAC support" 90 depends on ARCH_APPLE || COMPILE_TEST 91 select DMA_ENGINE 92 help 93 Enable support for Audio DMA Controller found on Apple Silicon SoCs. 94 95config ARM_DMA350 96 tristate "Arm DMA-350 support" 97 depends on ARM || ARM64 || COMPILE_TEST 98 select DMA_ENGINE 99 select DMA_VIRTUAL_CHANNELS 100 help 101 Enable support for the Arm DMA-350 controller. 102 103config AT_HDMAC 104 tristate "Atmel AHB DMA support" 105 depends on ARCH_AT91 106 select DMA_ENGINE 107 select DMA_VIRTUAL_CHANNELS 108 help 109 Support the Atmel AHB DMA controller. 110 111config AT_XDMAC 112 tristate "Atmel XDMA support" 113 depends on ARCH_MICROCHIP 114 select DMA_ENGINE 115 help 116 Support the Atmel XDMA controller. 117 118config AXI_DMAC 119 tristate "Analog Devices AXI-DMAC DMA support" 120 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST 121 select DMA_ENGINE 122 select DMA_VIRTUAL_CHANNELS 123 select REGMAP_MMIO 124 help 125 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 126 controller is often used in Analog Devices' reference designs for FPGA 127 platforms. 128 129config BCM_SBA_RAID 130 tristate "Broadcom SBA RAID engine support" 131 depends on ARM64 || COMPILE_TEST 132 depends on MAILBOX && RAID6_PQ 133 select DMA_ENGINE 134 select DMA_ENGINE_RAID 135 select ASYNC_TX_DISABLE_XOR_VAL_DMA 136 select ASYNC_TX_DISABLE_PQ_VAL_DMA 137 default m if ARCH_BCM_IPROC 138 help 139 Enable support for Broadcom SBA RAID Engine. The SBA RAID 140 engine is available on most of the Broadcom iProc SoCs. It 141 has the capability to offload memcpy, xor and pq computation 142 for raid5/6. 143 144config DMA_BCM2835 145 tristate "BCM2835 DMA engine support" 146 depends on ARCH_BCM2835 147 select DMA_ENGINE 148 select DMA_VIRTUAL_CHANNELS 149 150config DMA_JZ4780 151 tristate "JZ4780 DMA support" 152 depends on MIPS || COMPILE_TEST 153 select DMA_ENGINE 154 select DMA_VIRTUAL_CHANNELS 155 help 156 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 157 If you have a board based on such a SoC and wish to use DMA for 158 devices which can use the DMA controller, say Y or M here. 159 160config DMA_SA11X0 161 tristate "SA-11x0 DMA support" 162 depends on ARCH_SA1100 || COMPILE_TEST 163 select DMA_ENGINE 164 select DMA_VIRTUAL_CHANNELS 165 help 166 Support the DMA engine found on Intel StrongARM SA-1100 and 167 SA-1110 SoCs. This DMA engine can only be used with on-chip 168 devices. 169 170config DMA_SUN4I 171 tristate "Allwinner A10 DMA SoCs support" 172 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUNIV 173 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUNIV) 174 select DMA_ENGINE 175 select DMA_VIRTUAL_CHANNELS 176 help 177 Enable support for the DMA controller present in the sun4i, 178 sun5i and sun7i Allwinner ARM SoCs. 179 180config DMA_SUN6I 181 tristate "Allwinner A31 SoCs DMA support" 182 depends on ARCH_SUNXI || COMPILE_TEST 183 depends on RESET_CONTROLLER 184 select DMA_ENGINE 185 select DMA_VIRTUAL_CHANNELS 186 help 187 Support for the DMA engine first found in Allwinner A31 SoCs. 188 189config DW_AXI_DMAC 190 tristate "Synopsys DesignWare AXI DMA support" 191 depends on OF 192 depends on HAS_IOMEM 193 select DMA_ENGINE 194 select DMA_VIRTUAL_CHANNELS 195 help 196 Enable support for Synopsys DesignWare AXI DMA controller. 197 NOTE: This driver wasn't tested on 64 bit platform because 198 of lack 64 bit platform with Synopsys DW AXI DMAC. 199 200config EP93XX_DMA 201 bool "Cirrus Logic EP93xx DMA support" 202 depends on ARCH_EP93XX || COMPILE_TEST 203 select DMA_ENGINE 204 help 205 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 206 207config FSL_DMA 208 tristate "Freescale Elo series DMA support" 209 depends on FSL_SOC 210 select DMA_ENGINE 211 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 212 help 213 Enable support for the Freescale Elo series DMA controllers. 214 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 215 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 216 some Txxx and Bxxx parts. 217 218config FSL_EDMA 219 tristate "Freescale eDMA engine support" 220 depends on OF 221 depends on HAS_IOMEM 222 select DMA_ENGINE 223 select DMA_VIRTUAL_CHANNELS 224 help 225 Support the Freescale eDMA engine with programmable channel 226 multiplexing capability for DMA request sources(slot). 227 This module can be found on Freescale Vybrid and LS-1 SoCs. 228 229config FSL_QDMA 230 tristate "NXP Layerscape qDMA engine support" 231 depends on ARM || ARM64 232 select DMA_ENGINE 233 select DMA_VIRTUAL_CHANNELS 234 select DMA_ENGINE_RAID 235 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 236 help 237 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 238 Channel virtualization is supported through enqueuing of DMA jobs to, 239 or dequeuing DMA jobs from, different work queues. 240 This module can be found on NXP Layerscape SoCs. 241 The qdma driver only work on SoCs with a DPAA hardware block. 242 243config FSL_RAID 244 tristate "Freescale RAID engine Support" 245 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 246 select DMA_ENGINE 247 select DMA_ENGINE_RAID 248 help 249 Enable support for Freescale RAID Engine. RAID Engine is 250 available on some QorIQ SoCs (like P5020/P5040). It has 251 the capability to offload memcpy, xor and pq computation 252 for raid5/6. 253 254config HISI_DMA 255 tristate "HiSilicon DMA Engine support" 256 depends on ARCH_HISI || COMPILE_TEST 257 depends on PCI_MSI 258 select DMA_ENGINE 259 select DMA_VIRTUAL_CHANNELS 260 help 261 Support HiSilicon Kunpeng DMA engine. 262 263config IMG_MDC_DMA 264 tristate "IMG MDC support" 265 depends on MIPS || COMPILE_TEST 266 depends on MFD_SYSCON 267 select DMA_ENGINE 268 select DMA_VIRTUAL_CHANNELS 269 help 270 Enable support for the IMG multi-threaded DMA controller (MDC). 271 272config IMX_DMA 273 tristate "i.MX DMA support" 274 depends on ARCH_MXC 275 select DMA_ENGINE 276 help 277 Support the i.MX DMA engine. This engine is integrated into 278 Freescale i.MX1/21/27 chips. 279 280config IMX_SDMA 281 tristate "i.MX SDMA support" 282 depends on ARCH_MXC 283 select DMA_ENGINE 284 select DMA_VIRTUAL_CHANNELS 285 help 286 Support the i.MX SDMA engine. This engine is integrated into 287 Freescale i.MX25/31/35/51/53/6 chips. 288 289config INTEL_IDMA64 290 tristate "Intel integrated DMA 64-bit support" 291 depends on HAS_IOMEM 292 select DMA_ENGINE 293 select DMA_VIRTUAL_CHANNELS 294 help 295 Enable DMA support for Intel Low Power Subsystem such as found on 296 Intel Skylake PCH. 297 298config INTEL_IDXD_BUS 299 tristate 300 default INTEL_IDXD 301 302config INTEL_IDXD 303 tristate "Intel Data Accelerators support" 304 depends on PCI && X86_64 && !UML 305 depends on PCI_MSI 306 depends on PCI_PASID 307 depends on SBITMAP 308 select DMA_ENGINE 309 help 310 Enable support for the Intel(R) data accelerators present 311 in Intel Xeon CPU. 312 313 Say Y if you have such a platform. 314 315 If unsure, say N. 316 317config INTEL_IDXD_COMPAT 318 bool "Legacy behavior for idxd driver" 319 depends on PCI && X86_64 320 select INTEL_IDXD_BUS 321 help 322 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior. 323 The old behavior performed driver bind/unbind for device and wq 324 devices all under the dsa driver. The compat driver will emulate 325 the legacy behavior in order to allow existing support apps (i.e. 326 accel-config) to continue function. It is expected that accel-config 327 v3.2 and earlier will need the compat mode. A distro with later 328 accel-config version can disable this compat config. 329 330 Say Y if you have old applications that require such behavior. 331 332 If unsure, say N. 333 334# Config symbol that collects all the dependencies that's necessary to 335# support shared virtual memory for the devices supported by idxd. 336config INTEL_IDXD_SVM 337 bool "Accelerator Shared Virtual Memory Support" 338 depends on INTEL_IDXD 339 depends on INTEL_IOMMU_SVM 340 depends on PCI_PRI 341 depends on PCI_PASID 342 depends on PCI_IOV 343 344config INTEL_IDXD_PERFMON 345 bool "Intel Data Accelerators performance monitor support" 346 depends on INTEL_IDXD 347 help 348 Enable performance monitor (pmu) support for the Intel(R) 349 data accelerators present in Intel Xeon CPU. With this 350 enabled, perf can be used to monitor the DSA (Intel Data 351 Streaming Accelerator) events described in the Intel DSA 352 spec. 353 354 If unsure, say N. 355 356config INTEL_IOATDMA 357 tristate "Intel I/OAT DMA support" 358 depends on PCI && X86_64 && !UML 359 select DMA_ENGINE 360 select DMA_ENGINE_RAID 361 select DCA 362 help 363 Enable support for the Intel(R) I/OAT DMA engine present 364 in recent Intel Xeon chipsets. 365 366 Say Y here if you have such a chipset. 367 368 If unsure, say N. 369 370config K3_DMA 371 tristate "Hisilicon K3 DMA support" 372 depends on ARCH_HISI || COMPILE_TEST 373 select DMA_ENGINE 374 select DMA_VIRTUAL_CHANNELS 375 help 376 Support the DMA engine for Hisilicon K3 platform 377 devices. 378 379config LOONGSON1_APB_DMA 380 tristate "Loongson1 APB DMA support" 381 depends on MACH_LOONGSON32 || COMPILE_TEST 382 select DMA_ENGINE 383 select DMA_VIRTUAL_CHANNELS 384 help 385 This selects support for the APB DMA controller in Loongson1 SoCs, 386 which is required by Loongson1 NAND and audio support. 387 388config LOONGSON2_APB_DMA 389 tristate "Loongson2 APB DMA support" 390 depends on LOONGARCH || COMPILE_TEST 391 select DMA_ENGINE 392 select DMA_VIRTUAL_CHANNELS 393 help 394 Support for the Loongson2 APB DMA controller driver. The 395 DMA controller is having single DMA channel which can be 396 configured for different peripherals like audio, nand, sdio 397 etc which is in APB bus. 398 399 This DMA controller transfers data from memory to peripheral fifo. 400 It does not support memory to memory data transfer. 401 402config LPC18XX_DMAMUX 403 bool "NXP LPC18xx/43xx DMA MUX for PL080" 404 depends on ARCH_LPC18XX || COMPILE_TEST 405 depends on OF && AMBA_PL08X 406 select MFD_SYSCON 407 help 408 Enable support for DMA on NXP LPC18xx/43xx platforms 409 with PL080 and multiplexed DMA request lines. 410 411config LPC32XX_DMAMUX 412 bool "NXP LPC32xx DMA MUX for PL080" 413 depends on ARCH_LPC32XX || COMPILE_TEST 414 depends on OF && AMBA_PL08X 415 select MFD_SYSCON 416 help 417 Support for PL080 multiplexed DMA request lines on 418 LPC32XX platrofm. 419 420config MCF_EDMA 421 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 422 depends on M5441x || (COMPILE_TEST && FSL_EDMA=n) 423 select DMA_ENGINE 424 select DMA_VIRTUAL_CHANNELS 425 help 426 Support the Freescale ColdFire eDMA engine, 64-channel 427 implementation that performs complex data transfers with 428 minimal intervention from a host processor. 429 This module can be found on Freescale ColdFire mcf5441x SoCs. 430 431config MILBEAUT_HDMAC 432 tristate "Milbeaut AHB DMA support" 433 depends on ARCH_MILBEAUT || COMPILE_TEST 434 depends on OF 435 select DMA_ENGINE 436 select DMA_VIRTUAL_CHANNELS 437 help 438 Say yes here to support the Socionext Milbeaut 439 HDMAC device. 440 441config MILBEAUT_XDMAC 442 tristate "Milbeaut AXI DMA support" 443 depends on ARCH_MILBEAUT || COMPILE_TEST 444 depends on OF 445 select DMA_ENGINE 446 select DMA_VIRTUAL_CHANNELS 447 help 448 Say yes here to support the Socionext Milbeaut 449 XDMAC device. 450 451config MMP_PDMA 452 tristate "MMP PDMA support" 453 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 454 select DMA_ENGINE 455 help 456 Support the MMP PDMA engine for PXA and MMP platform. 457 458config MMP_TDMA 459 tristate "MMP Two-Channel DMA support" 460 depends on ARCH_MMP || COMPILE_TEST 461 select DMA_ENGINE 462 select GENERIC_ALLOCATOR 463 help 464 Support the MMP Two-Channel DMA engine. 465 This engine used for MMP Audio DMA and pxa910 SQU. 466 467config MOXART_DMA 468 tristate "MOXART DMA support" 469 depends on ARCH_MOXART 470 select DMA_ENGINE 471 select DMA_VIRTUAL_CHANNELS 472 help 473 Enable support for the MOXA ART SoC DMA controller. 474 475 Say Y here if you enabled MMP ADMA, otherwise say N. 476 477config MPC512X_DMA 478 tristate "Freescale MPC512x built-in DMA engine support" 479 depends on PPC_MPC512x || PPC_MPC831x 480 select DMA_ENGINE 481 help 482 Enable support for the Freescale MPC512x built-in DMA engine. 483 484config MV_XOR 485 bool "Marvell XOR engine support" 486 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 487 select DMA_ENGINE 488 select DMA_ENGINE_RAID 489 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 490 help 491 Enable support for the Marvell XOR engine. 492 493config MV_XOR_V2 494 bool "Marvell XOR engine version 2 support " 495 depends on ARM64 496 select DMA_ENGINE 497 select DMA_ENGINE_RAID 498 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 499 select GENERIC_MSI_IRQ 500 help 501 Enable support for the Marvell version 2 XOR engine. 502 503 This engine provides acceleration for copy, XOR and RAID6 504 operations, and is available on Marvell Armada 7K and 8K 505 platforms. 506 507config MXS_DMA 508 bool "MXS DMA support" 509 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 510 select STMP_DEVICE 511 select DMA_ENGINE 512 help 513 Support the MXS DMA engine. This engine including APBH-DMA 514 and APBX-DMA is integrated into some Freescale chips. 515 516config NBPFAXI_DMA 517 tristate "Renesas Type-AXI NBPF DMA support" 518 select DMA_ENGINE 519 depends on ARM || COMPILE_TEST 520 help 521 Support for "Type-AXI" NBPF DMA IPs from Renesas 522 523config OWL_DMA 524 tristate "Actions Semi Owl SoCs DMA support" 525 depends on ARCH_ACTIONS 526 select DMA_ENGINE 527 select DMA_VIRTUAL_CHANNELS 528 help 529 Enable support for the Actions Semi Owl SoCs DMA controller. 530 531config PCH_DMA 532 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 533 depends on PCI && (X86_32 || COMPILE_TEST) 534 select DMA_ENGINE 535 help 536 Enable support for Intel EG20T PCH DMA engine. 537 538 This driver also can be used for LAPIS Semiconductor IOH(Input/ 539 Output Hub), ML7213, ML7223 and ML7831. 540 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 541 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 542 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 543 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 544 545config PL330_DMA 546 tristate "DMA API Driver for PL330" 547 select DMA_ENGINE 548 depends on ARM_AMBA 549 help 550 Select if your platform has one or more PL330 DMACs. 551 You need to provide platform specific settings via 552 platform_data for a dma-pl330 device. 553 554config PXA_DMA 555 bool "PXA DMA support" 556 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 557 select DMA_ENGINE 558 select DMA_VIRTUAL_CHANNELS 559 help 560 Support the DMA engine for PXA. It is also compatible with MMP PDMA 561 platform. The internal DMA IP of all PXA variants is supported, with 562 16 to 32 channels for peripheral to memory or memory to memory 563 transfers. 564 565config PLX_DMA 566 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 567 depends on PCI 568 select DMA_ENGINE 569 help 570 Some PLX ExpressLane PCI Switches support additional DMA engines. 571 These are exposed via extra functions on the switch's 572 upstream port. Each function exposes one DMA channel. 573 574config SOPHGO_CV1800B_DMAMUX 575 tristate "Sophgo CV1800/SG2000 series SoC DMA multiplexer support" 576 depends on MFD_SYSCON 577 depends on ARCH_SOPHGO || COMPILE_TEST 578 help 579 Support for the DMA multiplexer on Sophgo CV1800/SG2000 580 series SoCs. 581 Say Y here if your board have this soc. 582 583config STE_DMA40 584 bool "ST-Ericsson DMA40 support" 585 depends on ARCH_U8500 586 select DMA_ENGINE 587 select SRAM 588 help 589 Support for ST-Ericsson DMA40 controller 590 591config ST_FDMA 592 tristate "ST FDMA dmaengine support" 593 depends on ARCH_STI 594 depends on REMOTEPROC 595 select ST_SLIM_REMOTEPROC 596 select DMA_ENGINE 597 select DMA_VIRTUAL_CHANNELS 598 help 599 Enable support for ST FDMA controller. 600 It supports 16 independent DMA channels, accepts up to 32 DMA requests 601 602 Say Y here if you have such a chipset. 603 If unsure, say N. 604 605config SPRD_DMA 606 tristate "Spreadtrum DMA support" 607 depends on ARCH_SPRD || COMPILE_TEST 608 select DMA_ENGINE 609 select DMA_VIRTUAL_CHANNELS 610 help 611 Enable support for the on-chip DMA controller on Spreadtrum platform. 612 613config TXX9_DMAC 614 tristate "Toshiba TXx9 SoC DMA support" 615 depends on MACH_TX49XX 616 select DMA_ENGINE 617 help 618 Support the TXx9 SoC internal DMA controller. This can be 619 integrated in chips such as the Toshiba TX4927/38/39. 620 621config TEGRA186_GPC_DMA 622 tristate "NVIDIA Tegra GPC DMA support" 623 depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT 624 depends on IOMMU_API 625 select DMA_ENGINE 626 select DMA_VIRTUAL_CHANNELS 627 help 628 Support for the NVIDIA Tegra General Purpose Central DMA controller. 629 The DMA controller has multiple DMA channels which can be configured 630 for different peripherals like UART, SPI, etc which are on APB bus. 631 This DMA controller transfers data from memory to peripheral FIFO 632 or vice versa. It also supports memory to memory data transfer. 633 634config TEGRA20_APB_DMA 635 tristate "NVIDIA Tegra20 APB DMA support" 636 depends on ARCH_TEGRA || COMPILE_TEST 637 select DMA_ENGINE 638 help 639 Support for the NVIDIA Tegra20 APB DMA controller driver. The 640 DMA controller is having multiple DMA channel which can be 641 configured for different peripherals like audio, UART, SPI, 642 I2C etc which is in APB bus. 643 This DMA controller transfers data from memory to peripheral fifo 644 or vice versa. It does not support memory to memory data transfer. 645 646config TEGRA210_ADMA 647 tristate "NVIDIA Tegra210 ADMA support" 648 depends on (ARCH_TEGRA || COMPILE_TEST) 649 select DMA_ENGINE 650 select DMA_VIRTUAL_CHANNELS 651 help 652 Support for the NVIDIA Tegra210/Tegra186/Tegra194/Tegra234 ADMA 653 controller driver. The DMA controller has multiple DMA channels 654 and is used to service various audio clients in the Tegra210 655 audio processing engine (APE). This DMA controller transfers 656 data from memory to peripheral and vice versa. It does not 657 support memory to memory data transfer. 658 659config TIMB_DMA 660 tristate "Timberdale FPGA DMA support" 661 depends on MFD_TIMBERDALE || COMPILE_TEST 662 select DMA_ENGINE 663 help 664 Enable support for the Timberdale FPGA DMA engine. 665 666config UNIPHIER_MDMAC 667 tristate "UniPhier MIO DMAC" 668 depends on ARCH_UNIPHIER || COMPILE_TEST 669 depends on OF 670 select DMA_ENGINE 671 select DMA_VIRTUAL_CHANNELS 672 help 673 Enable support for the MIO DMAC (Media I/O DMA controller) on the 674 UniPhier platform. This DMA controller is used as the external 675 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 676 677config UNIPHIER_XDMAC 678 tristate "UniPhier XDMAC support" 679 depends on ARCH_UNIPHIER || COMPILE_TEST 680 depends on OF 681 select DMA_ENGINE 682 select DMA_VIRTUAL_CHANNELS 683 help 684 Enable support for the XDMAC (external DMA controller) on the 685 UniPhier platform. This DMA controller can transfer data from 686 memory to memory, memory to peripheral and peripheral to memory. 687 688config XGENE_DMA 689 tristate "APM X-Gene DMA support" 690 depends on ARCH_XGENE || COMPILE_TEST 691 select DMA_ENGINE 692 select DMA_ENGINE_RAID 693 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 694 help 695 Enable support for the APM X-Gene SoC DMA engine. 696 697config XILINX_DMA 698 tristate "Xilinx AXI DMAS Engine" 699 depends on HAS_IOMEM 700 select DMA_ENGINE 701 help 702 Enable support for Xilinx AXI VDMA Soft IP. 703 704 AXI VDMA engine provides high-bandwidth direct memory access 705 between memory and AXI4-Stream video type target 706 peripherals including peripherals which support AXI4- 707 Stream Video Protocol. It has two stream interfaces/ 708 channels, Memory Mapped to Stream (MM2S) and Stream to 709 Memory Mapped (S2MM) for the data transfers. 710 AXI CDMA engine provides high-bandwidth direct memory access 711 between a memory-mapped source address and a memory-mapped 712 destination address. 713 AXI DMA engine provides high-bandwidth one dimensional direct 714 memory access between memory and AXI4-Stream target peripherals. 715 AXI MCDMA engine provides high-bandwidth direct memory access 716 between memory and AXI4-Stream target peripherals. It provides 717 the scatter gather interface with multiple channels independent 718 configuration support. 719 720config XILINX_XDMA 721 tristate "Xilinx DMA/Bridge Subsystem DMA Engine" 722 depends on HAS_IOMEM 723 select DMA_ENGINE 724 select DMA_VIRTUAL_CHANNELS 725 select REGMAP_MMIO 726 help 727 Enable support for Xilinx DMA/Bridge Subsystem DMA engine. The DMA 728 provides high performance block data movement between Host memory 729 and the DMA subsystem. These direct memory transfers can be both in 730 the Host to Card (H2C) and Card to Host (C2H) transfers. 731 The core also provides up to 16 user interrupt wires that generate 732 interrupts to the host. 733 734config XILINX_ZYNQMP_DMA 735 tristate "Xilinx ZynqMP DMA Engine" 736 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST 737 select DMA_ENGINE 738 help 739 Enable support for Xilinx ZynqMP DMA controller. 740 741config XILINX_ZYNQMP_DPDMA 742 tristate "Xilinx DPDMA Engine" 743 depends on HAS_IOMEM && OF 744 select DMA_ENGINE 745 select DMA_VIRTUAL_CHANNELS 746 help 747 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 748 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 749 driver provides the dmaengine required by the DisplayPort subsystem 750 display driver. 751 752# driver files 753source "drivers/dma/amd/Kconfig" 754 755source "drivers/dma/bestcomm/Kconfig" 756 757source "drivers/dma/mediatek/Kconfig" 758 759source "drivers/dma/qcom/Kconfig" 760 761source "drivers/dma/dw/Kconfig" 762 763source "drivers/dma/dw-edma/Kconfig" 764 765source "drivers/dma/hsu/Kconfig" 766 767source "drivers/dma/sf-pdma/Kconfig" 768 769source "drivers/dma/sh/Kconfig" 770 771source "drivers/dma/ti/Kconfig" 772 773source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 774 775source "drivers/dma/lgm/Kconfig" 776 777source "drivers/dma/stm32/Kconfig" 778 779# clients 780comment "DMA Clients" 781 depends on DMA_ENGINE 782 783config ASYNC_TX_DMA 784 bool "Async_tx: Offload support for the async_tx api" 785 depends on DMA_ENGINE 786 help 787 This allows the async_tx api to take advantage of offload engines for 788 memcpy, memset, xor, and raid6 p+q operations. If your platform has 789 a dma engine that can perform raid operations and you have enabled 790 MD_RAID456 say Y. 791 792 If unsure, say N. 793 794config DMATEST 795 tristate "DMA Test client" 796 depends on DMA_ENGINE 797 select DMA_ENGINE_RAID 798 help 799 Simple DMA test client. Say N unless you're debugging a 800 DMA Device driver. 801 802config DMA_ENGINE_RAID 803 bool 804 805endif 806