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 default ARCH_APPLE 93 help 94 Enable support for Audio DMA Controller found on Apple Silicon SoCs. 95 96config AT_HDMAC 97 tristate "Atmel AHB DMA support" 98 depends on ARCH_AT91 99 select DMA_ENGINE 100 select DMA_VIRTUAL_CHANNELS 101 help 102 Support the Atmel AHB DMA controller. 103 104config AT_XDMAC 105 tristate "Atmel XDMA support" 106 depends on ARCH_AT91 107 select DMA_ENGINE 108 help 109 Support the Atmel XDMA controller. 110 111config AXI_DMAC 112 tristate "Analog Devices AXI-DMAC DMA support" 113 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST 114 select DMA_ENGINE 115 select DMA_VIRTUAL_CHANNELS 116 select REGMAP_MMIO 117 help 118 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 119 controller is often used in Analog Devices' reference designs for FPGA 120 platforms. 121 122config BCM_SBA_RAID 123 tristate "Broadcom SBA RAID engine support" 124 depends on ARM64 || COMPILE_TEST 125 depends on MAILBOX && RAID6_PQ 126 select DMA_ENGINE 127 select DMA_ENGINE_RAID 128 select ASYNC_TX_DISABLE_XOR_VAL_DMA 129 select ASYNC_TX_DISABLE_PQ_VAL_DMA 130 default m if ARCH_BCM_IPROC 131 help 132 Enable support for Broadcom SBA RAID Engine. The SBA RAID 133 engine is available on most of the Broadcom iProc SoCs. It 134 has the capability to offload memcpy, xor and pq computation 135 for raid5/6. 136 137config DMA_BCM2835 138 tristate "BCM2835 DMA engine support" 139 depends on ARCH_BCM2835 140 select DMA_ENGINE 141 select DMA_VIRTUAL_CHANNELS 142 143config DMA_JZ4780 144 tristate "JZ4780 DMA support" 145 depends on MIPS || COMPILE_TEST 146 select DMA_ENGINE 147 select DMA_VIRTUAL_CHANNELS 148 help 149 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 150 If you have a board based on such a SoC and wish to use DMA for 151 devices which can use the DMA controller, say Y or M here. 152 153config DMA_SA11X0 154 tristate "SA-11x0 DMA support" 155 depends on ARCH_SA1100 || COMPILE_TEST 156 select DMA_ENGINE 157 select DMA_VIRTUAL_CHANNELS 158 help 159 Support the DMA engine found on Intel StrongARM SA-1100 and 160 SA-1110 SoCs. This DMA engine can only be used with on-chip 161 devices. 162 163config DMA_SUN4I 164 tristate "Allwinner A10 DMA SoCs support" 165 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 166 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 167 select DMA_ENGINE 168 select DMA_VIRTUAL_CHANNELS 169 help 170 Enable support for the DMA controller present in the sun4i, 171 sun5i and sun7i Allwinner ARM SoCs. 172 173config DMA_SUN6I 174 tristate "Allwinner A31 SoCs DMA support" 175 depends on ARCH_SUNXI || COMPILE_TEST 176 depends on RESET_CONTROLLER 177 select DMA_ENGINE 178 select DMA_VIRTUAL_CHANNELS 179 help 180 Support for the DMA engine first found in Allwinner A31 SoCs. 181 182config DW_AXI_DMAC 183 tristate "Synopsys DesignWare AXI DMA support" 184 depends on OF 185 depends on HAS_IOMEM 186 select DMA_ENGINE 187 select DMA_VIRTUAL_CHANNELS 188 help 189 Enable support for Synopsys DesignWare AXI DMA controller. 190 NOTE: This driver wasn't tested on 64 bit platform because 191 of lack 64 bit platform with Synopsys DW AXI DMAC. 192 193config EP93XX_DMA 194 bool "Cirrus Logic EP93xx DMA support" 195 depends on ARCH_EP93XX || COMPILE_TEST 196 select DMA_ENGINE 197 help 198 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 199 200config FSL_DMA 201 tristate "Freescale Elo series DMA support" 202 depends on FSL_SOC 203 select DMA_ENGINE 204 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 205 help 206 Enable support for the Freescale Elo series DMA controllers. 207 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 208 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 209 some Txxx and Bxxx parts. 210 211config FSL_EDMA 212 tristate "Freescale eDMA engine support" 213 depends on OF 214 depends on HAS_IOMEM 215 select DMA_ENGINE 216 select DMA_VIRTUAL_CHANNELS 217 help 218 Support the Freescale eDMA engine with programmable channel 219 multiplexing capability for DMA request sources(slot). 220 This module can be found on Freescale Vybrid and LS-1 SoCs. 221 222config FSL_QDMA 223 tristate "NXP Layerscape qDMA engine support" 224 depends on ARM || ARM64 225 select DMA_ENGINE 226 select DMA_VIRTUAL_CHANNELS 227 select DMA_ENGINE_RAID 228 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 229 help 230 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 231 Channel virtualization is supported through enqueuing of DMA jobs to, 232 or dequeuing DMA jobs from, different work queues. 233 This module can be found on NXP Layerscape SoCs. 234 The qdma driver only work on SoCs with a DPAA hardware block. 235 236config FSL_RAID 237 tristate "Freescale RAID engine Support" 238 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 239 select DMA_ENGINE 240 select DMA_ENGINE_RAID 241 help 242 Enable support for Freescale RAID Engine. RAID Engine is 243 available on some QorIQ SoCs (like P5020/P5040). It has 244 the capability to offload memcpy, xor and pq computation 245 for raid5/6. 246 247config HISI_DMA 248 tristate "HiSilicon DMA Engine support" 249 depends on ARCH_HISI || COMPILE_TEST 250 depends on PCI_MSI 251 select DMA_ENGINE 252 select DMA_VIRTUAL_CHANNELS 253 help 254 Support HiSilicon Kunpeng DMA engine. 255 256config IMG_MDC_DMA 257 tristate "IMG MDC support" 258 depends on MIPS || COMPILE_TEST 259 depends on MFD_SYSCON 260 select DMA_ENGINE 261 select DMA_VIRTUAL_CHANNELS 262 help 263 Enable support for the IMG multi-threaded DMA controller (MDC). 264 265config IMX_DMA 266 tristate "i.MX DMA support" 267 depends on ARCH_MXC 268 select DMA_ENGINE 269 help 270 Support the i.MX DMA engine. This engine is integrated into 271 Freescale i.MX1/21/27 chips. 272 273config IMX_SDMA 274 tristate "i.MX SDMA support" 275 depends on ARCH_MXC 276 select DMA_ENGINE 277 select DMA_VIRTUAL_CHANNELS 278 help 279 Support the i.MX SDMA engine. This engine is integrated into 280 Freescale i.MX25/31/35/51/53/6 chips. 281 282config INTEL_IDMA64 283 tristate "Intel integrated DMA 64-bit support" 284 depends on HAS_IOMEM 285 select DMA_ENGINE 286 select DMA_VIRTUAL_CHANNELS 287 help 288 Enable DMA support for Intel Low Power Subsystem such as found on 289 Intel Skylake PCH. 290 291config INTEL_IDXD_BUS 292 tristate 293 default INTEL_IDXD 294 295config INTEL_IDXD 296 tristate "Intel Data Accelerators support" 297 depends on PCI && X86_64 && !UML 298 depends on PCI_MSI 299 depends on PCI_PASID 300 depends on SBITMAP 301 select DMA_ENGINE 302 help 303 Enable support for the Intel(R) data accelerators present 304 in Intel Xeon CPU. 305 306 Say Y if you have such a platform. 307 308 If unsure, say N. 309 310config INTEL_IDXD_COMPAT 311 bool "Legacy behavior for idxd driver" 312 depends on PCI && X86_64 313 select INTEL_IDXD_BUS 314 help 315 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior. 316 The old behavior performed driver bind/unbind for device and wq 317 devices all under the dsa driver. The compat driver will emulate 318 the legacy behavior in order to allow existing support apps (i.e. 319 accel-config) to continue function. It is expected that accel-config 320 v3.2 and earlier will need the compat mode. A distro with later 321 accel-config version can disable this compat config. 322 323 Say Y if you have old applications that require such behavior. 324 325 If unsure, say N. 326 327# Config symbol that collects all the dependencies that's necessary to 328# support shared virtual memory for the devices supported by idxd. 329config INTEL_IDXD_SVM 330 bool "Accelerator Shared Virtual Memory Support" 331 depends on INTEL_IDXD 332 depends on INTEL_IOMMU_SVM 333 depends on PCI_PRI 334 depends on PCI_PASID 335 depends on PCI_IOV 336 337config INTEL_IDXD_PERFMON 338 bool "Intel Data Accelerators performance monitor support" 339 depends on INTEL_IDXD 340 help 341 Enable performance monitor (pmu) support for the Intel(R) 342 data accelerators present in Intel Xeon CPU. With this 343 enabled, perf can be used to monitor the DSA (Intel Data 344 Streaming Accelerator) events described in the Intel DSA 345 spec. 346 347 If unsure, say N. 348 349config INTEL_IOATDMA 350 tristate "Intel I/OAT DMA support" 351 depends on PCI && X86_64 && !UML 352 select DMA_ENGINE 353 select DMA_ENGINE_RAID 354 select DCA 355 help 356 Enable support for the Intel(R) I/OAT DMA engine present 357 in recent Intel Xeon chipsets. 358 359 Say Y here if you have such a chipset. 360 361 If unsure, say N. 362 363config K3_DMA 364 tristate "Hisilicon K3 DMA support" 365 depends on ARCH_HISI || COMPILE_TEST 366 select DMA_ENGINE 367 select DMA_VIRTUAL_CHANNELS 368 help 369 Support the DMA engine for Hisilicon K3 platform 370 devices. 371 372config LOONGSON1_APB_DMA 373 tristate "Loongson1 APB DMA support" 374 depends on MACH_LOONGSON32 || COMPILE_TEST 375 select DMA_ENGINE 376 select DMA_VIRTUAL_CHANNELS 377 help 378 This selects support for the APB DMA controller in Loongson1 SoCs, 379 which is required by Loongson1 NAND and audio support. 380 381config LPC18XX_DMAMUX 382 bool "NXP LPC18xx/43xx DMA MUX for PL080" 383 depends on ARCH_LPC18XX || COMPILE_TEST 384 depends on OF && AMBA_PL08X 385 select MFD_SYSCON 386 help 387 Enable support for DMA on NXP LPC18xx/43xx platforms 388 with PL080 and multiplexed DMA request lines. 389 390config LS2X_APB_DMA 391 tristate "Loongson LS2X APB DMA support" 392 depends on LOONGARCH || COMPILE_TEST 393 select DMA_ENGINE 394 select DMA_VIRTUAL_CHANNELS 395 help 396 Support for the Loongson LS2X APB DMA controller driver. The 397 DMA controller is having single DMA channel which can be 398 configured for different peripherals like audio, nand, sdio 399 etc which is in APB bus. 400 401 This DMA controller transfers data from memory to peripheral fifo. 402 It does not support memory to memory data transfer. 403 404config MCF_EDMA 405 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 406 depends on M5441x || (COMPILE_TEST && FSL_EDMA=n) 407 select DMA_ENGINE 408 select DMA_VIRTUAL_CHANNELS 409 help 410 Support the Freescale ColdFire eDMA engine, 64-channel 411 implementation that performs complex data transfers with 412 minimal intervention from a host processor. 413 This module can be found on Freescale ColdFire mcf5441x SoCs. 414 415config MILBEAUT_HDMAC 416 tristate "Milbeaut AHB DMA support" 417 depends on ARCH_MILBEAUT || COMPILE_TEST 418 depends on OF 419 select DMA_ENGINE 420 select DMA_VIRTUAL_CHANNELS 421 help 422 Say yes here to support the Socionext Milbeaut 423 HDMAC device. 424 425config MILBEAUT_XDMAC 426 tristate "Milbeaut AXI DMA support" 427 depends on ARCH_MILBEAUT || COMPILE_TEST 428 depends on OF 429 select DMA_ENGINE 430 select DMA_VIRTUAL_CHANNELS 431 help 432 Say yes here to support the Socionext Milbeaut 433 XDMAC device. 434 435config MMP_PDMA 436 tristate "MMP PDMA support" 437 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 438 select DMA_ENGINE 439 help 440 Support the MMP PDMA engine for PXA and MMP platform. 441 442config MMP_TDMA 443 tristate "MMP Two-Channel DMA support" 444 depends on ARCH_MMP || COMPILE_TEST 445 select DMA_ENGINE 446 select GENERIC_ALLOCATOR 447 help 448 Support the MMP Two-Channel DMA engine. 449 This engine used for MMP Audio DMA and pxa910 SQU. 450 451config MOXART_DMA 452 tristate "MOXART DMA support" 453 depends on ARCH_MOXART 454 select DMA_ENGINE 455 select DMA_VIRTUAL_CHANNELS 456 help 457 Enable support for the MOXA ART SoC DMA controller. 458 459 Say Y here if you enabled MMP ADMA, otherwise say N. 460 461config MPC512X_DMA 462 tristate "Freescale MPC512x built-in DMA engine support" 463 depends on PPC_MPC512x || PPC_MPC831x 464 select DMA_ENGINE 465 help 466 Enable support for the Freescale MPC512x built-in DMA engine. 467 468config MV_XOR 469 bool "Marvell XOR engine support" 470 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 471 select DMA_ENGINE 472 select DMA_ENGINE_RAID 473 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 474 help 475 Enable support for the Marvell XOR engine. 476 477config MV_XOR_V2 478 bool "Marvell XOR engine version 2 support " 479 depends on ARM64 480 select DMA_ENGINE 481 select DMA_ENGINE_RAID 482 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 483 select GENERIC_MSI_IRQ 484 help 485 Enable support for the Marvell version 2 XOR engine. 486 487 This engine provides acceleration for copy, XOR and RAID6 488 operations, and is available on Marvell Armada 7K and 8K 489 platforms. 490 491config MXS_DMA 492 bool "MXS DMA support" 493 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 494 select STMP_DEVICE 495 select DMA_ENGINE 496 help 497 Support the MXS DMA engine. This engine including APBH-DMA 498 and APBX-DMA is integrated into some Freescale chips. 499 500config NBPFAXI_DMA 501 tristate "Renesas Type-AXI NBPF DMA support" 502 select DMA_ENGINE 503 depends on ARM || COMPILE_TEST 504 help 505 Support for "Type-AXI" NBPF DMA IPs from Renesas 506 507config OWL_DMA 508 tristate "Actions Semi Owl SoCs DMA support" 509 depends on ARCH_ACTIONS 510 select DMA_ENGINE 511 select DMA_VIRTUAL_CHANNELS 512 help 513 Enable support for the Actions Semi Owl SoCs DMA controller. 514 515config PCH_DMA 516 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 517 depends on PCI && (X86_32 || COMPILE_TEST) 518 select DMA_ENGINE 519 help 520 Enable support for Intel EG20T PCH DMA engine. 521 522 This driver also can be used for LAPIS Semiconductor IOH(Input/ 523 Output Hub), ML7213, ML7223 and ML7831. 524 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 525 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 526 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 527 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 528 529config PL330_DMA 530 tristate "DMA API Driver for PL330" 531 select DMA_ENGINE 532 depends on ARM_AMBA 533 help 534 Select if your platform has one or more PL330 DMACs. 535 You need to provide platform specific settings via 536 platform_data for a dma-pl330 device. 537 538config PXA_DMA 539 bool "PXA DMA support" 540 depends on (ARCH_MMP || ARCH_PXA) 541 select DMA_ENGINE 542 select DMA_VIRTUAL_CHANNELS 543 help 544 Support the DMA engine for PXA. It is also compatible with MMP PDMA 545 platform. The internal DMA IP of all PXA variants is supported, with 546 16 to 32 channels for peripheral to memory or memory to memory 547 transfers. 548 549config PLX_DMA 550 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 551 depends on PCI 552 select DMA_ENGINE 553 help 554 Some PLX ExpressLane PCI Switches support additional DMA engines. 555 These are exposed via extra functions on the switch's 556 upstream port. Each function exposes one DMA channel. 557 558config STE_DMA40 559 bool "ST-Ericsson DMA40 support" 560 depends on ARCH_U8500 561 select DMA_ENGINE 562 select SRAM 563 help 564 Support for ST-Ericsson DMA40 controller 565 566config ST_FDMA 567 tristate "ST FDMA dmaengine support" 568 depends on ARCH_STI 569 depends on REMOTEPROC 570 select ST_SLIM_REMOTEPROC 571 select DMA_ENGINE 572 select DMA_VIRTUAL_CHANNELS 573 help 574 Enable support for ST FDMA controller. 575 It supports 16 independent DMA channels, accepts up to 32 DMA requests 576 577 Say Y here if you have such a chipset. 578 If unsure, say N. 579 580config SPRD_DMA 581 tristate "Spreadtrum DMA support" 582 depends on ARCH_SPRD || COMPILE_TEST 583 select DMA_ENGINE 584 select DMA_VIRTUAL_CHANNELS 585 help 586 Enable support for the on-chip DMA controller on Spreadtrum platform. 587 588config TXX9_DMAC 589 tristate "Toshiba TXx9 SoC DMA support" 590 depends on MACH_TX49XX 591 select DMA_ENGINE 592 help 593 Support the TXx9 SoC internal DMA controller. This can be 594 integrated in chips such as the Toshiba TX4927/38/39. 595 596config TEGRA186_GPC_DMA 597 tristate "NVIDIA Tegra GPC DMA support" 598 depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT 599 depends on IOMMU_API 600 select DMA_ENGINE 601 select DMA_VIRTUAL_CHANNELS 602 help 603 Support for the NVIDIA Tegra General Purpose Central DMA controller. 604 The DMA controller has multiple DMA channels which can be configured 605 for different peripherals like UART, SPI, etc which are on APB bus. 606 This DMA controller transfers data from memory to peripheral FIFO 607 or vice versa. It also supports memory to memory data transfer. 608 609config TEGRA20_APB_DMA 610 tristate "NVIDIA Tegra20 APB DMA support" 611 depends on ARCH_TEGRA || COMPILE_TEST 612 select DMA_ENGINE 613 help 614 Support for the NVIDIA Tegra20 APB DMA controller driver. The 615 DMA controller is having multiple DMA channel which can be 616 configured for different peripherals like audio, UART, SPI, 617 I2C etc which is in APB bus. 618 This DMA controller transfers data from memory to peripheral fifo 619 or vice versa. It does not support memory to memory data transfer. 620 621config TEGRA210_ADMA 622 tristate "NVIDIA Tegra210 ADMA support" 623 depends on (ARCH_TEGRA || COMPILE_TEST) 624 select DMA_ENGINE 625 select DMA_VIRTUAL_CHANNELS 626 help 627 Support for the NVIDIA Tegra210/Tegra186/Tegra194/Tegra234 ADMA 628 controller driver. The DMA controller has multiple DMA channels 629 and is used to service various audio clients in the Tegra210 630 audio processing engine (APE). This DMA controller transfers 631 data from memory to peripheral and vice versa. It does not 632 support memory to memory data transfer. 633 634config TIMB_DMA 635 tristate "Timberdale FPGA DMA support" 636 depends on MFD_TIMBERDALE || COMPILE_TEST 637 select DMA_ENGINE 638 help 639 Enable support for the Timberdale FPGA DMA engine. 640 641config UNIPHIER_MDMAC 642 tristate "UniPhier MIO DMAC" 643 depends on ARCH_UNIPHIER || COMPILE_TEST 644 depends on OF 645 select DMA_ENGINE 646 select DMA_VIRTUAL_CHANNELS 647 help 648 Enable support for the MIO DMAC (Media I/O DMA controller) on the 649 UniPhier platform. This DMA controller is used as the external 650 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 651 652config UNIPHIER_XDMAC 653 tristate "UniPhier XDMAC support" 654 depends on ARCH_UNIPHIER || COMPILE_TEST 655 depends on OF 656 select DMA_ENGINE 657 select DMA_VIRTUAL_CHANNELS 658 help 659 Enable support for the XDMAC (external DMA controller) on the 660 UniPhier platform. This DMA controller can transfer data from 661 memory to memory, memory to peripheral and peripheral to memory. 662 663config XGENE_DMA 664 tristate "APM X-Gene DMA support" 665 depends on ARCH_XGENE || COMPILE_TEST 666 select DMA_ENGINE 667 select DMA_ENGINE_RAID 668 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 669 help 670 Enable support for the APM X-Gene SoC DMA engine. 671 672config XILINX_DMA 673 tristate "Xilinx AXI DMAS Engine" 674 depends on HAS_IOMEM 675 select DMA_ENGINE 676 help 677 Enable support for Xilinx AXI VDMA Soft IP. 678 679 AXI VDMA engine provides high-bandwidth direct memory access 680 between memory and AXI4-Stream video type target 681 peripherals including peripherals which support AXI4- 682 Stream Video Protocol. It has two stream interfaces/ 683 channels, Memory Mapped to Stream (MM2S) and Stream to 684 Memory Mapped (S2MM) for the data transfers. 685 AXI CDMA engine provides high-bandwidth direct memory access 686 between a memory-mapped source address and a memory-mapped 687 destination address. 688 AXI DMA engine provides high-bandwidth one dimensional direct 689 memory access between memory and AXI4-Stream target peripherals. 690 AXI MCDMA engine provides high-bandwidth direct memory access 691 between memory and AXI4-Stream target peripherals. It provides 692 the scatter gather interface with multiple channels independent 693 configuration support. 694 695config XILINX_XDMA 696 tristate "Xilinx DMA/Bridge Subsystem DMA Engine" 697 depends on HAS_IOMEM 698 select DMA_ENGINE 699 select DMA_VIRTUAL_CHANNELS 700 select REGMAP_MMIO 701 help 702 Enable support for Xilinx DMA/Bridge Subsystem DMA engine. The DMA 703 provides high performance block data movement between Host memory 704 and the DMA subsystem. These direct memory transfers can be both in 705 the Host to Card (H2C) and Card to Host (C2H) transfers. 706 The core also provides up to 16 user interrupt wires that generate 707 interrupts to the host. 708 709config XILINX_ZYNQMP_DMA 710 tristate "Xilinx ZynqMP DMA Engine" 711 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST 712 select DMA_ENGINE 713 help 714 Enable support for Xilinx ZynqMP DMA controller. 715 716config XILINX_ZYNQMP_DPDMA 717 tristate "Xilinx DPDMA Engine" 718 depends on HAS_IOMEM && OF 719 select DMA_ENGINE 720 select DMA_VIRTUAL_CHANNELS 721 help 722 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 723 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 724 driver provides the dmaengine required by the DisplayPort subsystem 725 display driver. 726 727# driver files 728source "drivers/dma/amd/Kconfig" 729 730source "drivers/dma/bestcomm/Kconfig" 731 732source "drivers/dma/mediatek/Kconfig" 733 734source "drivers/dma/ptdma/Kconfig" 735 736source "drivers/dma/qcom/Kconfig" 737 738source "drivers/dma/dw/Kconfig" 739 740source "drivers/dma/dw-edma/Kconfig" 741 742source "drivers/dma/hsu/Kconfig" 743 744source "drivers/dma/sf-pdma/Kconfig" 745 746source "drivers/dma/sh/Kconfig" 747 748source "drivers/dma/ti/Kconfig" 749 750source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 751 752source "drivers/dma/lgm/Kconfig" 753 754source "drivers/dma/stm32/Kconfig" 755 756# clients 757comment "DMA Clients" 758 depends on DMA_ENGINE 759 760config ASYNC_TX_DMA 761 bool "Async_tx: Offload support for the async_tx api" 762 depends on DMA_ENGINE 763 help 764 This allows the async_tx api to take advantage of offload engines for 765 memcpy, memset, xor, and raid6 p+q operations. If your platform has 766 a dma engine that can perform raid operations and you have enabled 767 MD_RAID456 say Y. 768 769 If unsure, say N. 770 771config DMATEST 772 tristate "DMA Test client" 773 depends on DMA_ENGINE 774 select DMA_ENGINE_RAID 775 help 776 Simple DMA test client. Say N unless you're debugging a 777 DMA Device driver. 778 779config DMA_ENGINE_RAID 780 bool 781 782endif 783