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 select DMA_ENGINE 285 select DMA_VIRTUAL_CHANNELS 286 help 287 Enable DMA support for Intel Low Power Subsystem such as found on 288 Intel Skylake PCH. 289 290config INTEL_IDXD_BUS 291 tristate 292 default INTEL_IDXD 293 294config INTEL_IDXD 295 tristate "Intel Data Accelerators support" 296 depends on PCI && X86_64 && !UML 297 depends on PCI_MSI 298 depends on PCI_PASID 299 depends on SBITMAP 300 select DMA_ENGINE 301 help 302 Enable support for the Intel(R) data accelerators present 303 in Intel Xeon CPU. 304 305 Say Y if you have such a platform. 306 307 If unsure, say N. 308 309config INTEL_IDXD_COMPAT 310 bool "Legacy behavior for idxd driver" 311 depends on PCI && X86_64 312 select INTEL_IDXD_BUS 313 help 314 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior. 315 The old behavior performed driver bind/unbind for device and wq 316 devices all under the dsa driver. The compat driver will emulate 317 the legacy behavior in order to allow existing support apps (i.e. 318 accel-config) to continue function. It is expected that accel-config 319 v3.2 and earlier will need the compat mode. A distro with later 320 accel-config version can disable this compat config. 321 322 Say Y if you have old applications that require such behavior. 323 324 If unsure, say N. 325 326# Config symbol that collects all the dependencies that's necessary to 327# support shared virtual memory for the devices supported by idxd. 328config INTEL_IDXD_SVM 329 bool "Accelerator Shared Virtual Memory Support" 330 depends on INTEL_IDXD 331 depends on INTEL_IOMMU_SVM 332 depends on PCI_PRI 333 depends on PCI_PASID 334 depends on PCI_IOV 335 336config INTEL_IDXD_PERFMON 337 bool "Intel Data Accelerators performance monitor support" 338 depends on INTEL_IDXD 339 help 340 Enable performance monitor (pmu) support for the Intel(R) 341 data accelerators present in Intel Xeon CPU. With this 342 enabled, perf can be used to monitor the DSA (Intel Data 343 Streaming Accelerator) events described in the Intel DSA 344 spec. 345 346 If unsure, say N. 347 348config INTEL_IOATDMA 349 tristate "Intel I/OAT DMA support" 350 depends on PCI && X86_64 && !UML 351 select DMA_ENGINE 352 select DMA_ENGINE_RAID 353 select DCA 354 help 355 Enable support for the Intel(R) I/OAT DMA engine present 356 in recent Intel Xeon chipsets. 357 358 Say Y here if you have such a chipset. 359 360 If unsure, say N. 361 362config K3_DMA 363 tristate "Hisilicon K3 DMA support" 364 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 365 select DMA_ENGINE 366 select DMA_VIRTUAL_CHANNELS 367 help 368 Support the DMA engine for Hisilicon K3 platform 369 devices. 370 371config LPC18XX_DMAMUX 372 bool "NXP LPC18xx/43xx DMA MUX for PL080" 373 depends on ARCH_LPC18XX || COMPILE_TEST 374 depends on OF && AMBA_PL08X 375 select MFD_SYSCON 376 help 377 Enable support for DMA on NXP LPC18xx/43xx platforms 378 with PL080 and multiplexed DMA request lines. 379 380config MCF_EDMA 381 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 382 depends on M5441x || COMPILE_TEST 383 select DMA_ENGINE 384 select DMA_VIRTUAL_CHANNELS 385 help 386 Support the Freescale ColdFire eDMA engine, 64-channel 387 implementation that performs complex data transfers with 388 minimal intervention from a host processor. 389 This module can be found on Freescale ColdFire mcf5441x SoCs. 390 391config MILBEAUT_HDMAC 392 tristate "Milbeaut AHB DMA support" 393 depends on ARCH_MILBEAUT || COMPILE_TEST 394 depends on OF 395 select DMA_ENGINE 396 select DMA_VIRTUAL_CHANNELS 397 help 398 Say yes here to support the Socionext Milbeaut 399 HDMAC device. 400 401config MILBEAUT_XDMAC 402 tristate "Milbeaut AXI DMA support" 403 depends on ARCH_MILBEAUT || COMPILE_TEST 404 depends on OF 405 select DMA_ENGINE 406 select DMA_VIRTUAL_CHANNELS 407 help 408 Say yes here to support the Socionext Milbeaut 409 XDMAC device. 410 411config MMP_PDMA 412 tristate "MMP PDMA support" 413 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 414 select DMA_ENGINE 415 help 416 Support the MMP PDMA engine for PXA and MMP platform. 417 418config MMP_TDMA 419 tristate "MMP Two-Channel DMA support" 420 depends on ARCH_MMP || COMPILE_TEST 421 select DMA_ENGINE 422 select GENERIC_ALLOCATOR 423 help 424 Support the MMP Two-Channel DMA engine. 425 This engine used for MMP Audio DMA and pxa910 SQU. 426 427config MOXART_DMA 428 tristate "MOXART DMA support" 429 depends on ARCH_MOXART 430 select DMA_ENGINE 431 select DMA_VIRTUAL_CHANNELS 432 help 433 Enable support for the MOXA ART SoC DMA controller. 434 435 Say Y here if you enabled MMP ADMA, otherwise say N. 436 437config MPC512X_DMA 438 tristate "Freescale MPC512x built-in DMA engine support" 439 depends on PPC_MPC512x || PPC_MPC831x 440 select DMA_ENGINE 441 help 442 Enable support for the Freescale MPC512x built-in DMA engine. 443 444config MV_XOR 445 bool "Marvell XOR engine support" 446 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 447 select DMA_ENGINE 448 select DMA_ENGINE_RAID 449 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 450 help 451 Enable support for the Marvell XOR engine. 452 453config MV_XOR_V2 454 bool "Marvell XOR engine version 2 support " 455 depends on ARM64 456 select DMA_ENGINE 457 select DMA_ENGINE_RAID 458 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 459 select GENERIC_MSI_IRQ 460 help 461 Enable support for the Marvell version 2 XOR engine. 462 463 This engine provides acceleration for copy, XOR and RAID6 464 operations, and is available on Marvell Armada 7K and 8K 465 platforms. 466 467config MXS_DMA 468 bool "MXS DMA support" 469 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 470 select STMP_DEVICE 471 select DMA_ENGINE 472 help 473 Support the MXS DMA engine. This engine including APBH-DMA 474 and APBX-DMA is integrated into some Freescale chips. 475 476config NBPFAXI_DMA 477 tristate "Renesas Type-AXI NBPF DMA support" 478 select DMA_ENGINE 479 depends on ARM || COMPILE_TEST 480 help 481 Support for "Type-AXI" NBPF DMA IPs from Renesas 482 483config OWL_DMA 484 tristate "Actions Semi Owl SoCs DMA support" 485 depends on ARCH_ACTIONS 486 select DMA_ENGINE 487 select DMA_VIRTUAL_CHANNELS 488 help 489 Enable support for the Actions Semi Owl SoCs DMA controller. 490 491config PCH_DMA 492 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 493 depends on PCI && (X86_32 || COMPILE_TEST) 494 select DMA_ENGINE 495 help 496 Enable support for Intel EG20T PCH DMA engine. 497 498 This driver also can be used for LAPIS Semiconductor IOH(Input/ 499 Output Hub), ML7213, ML7223 and ML7831. 500 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 501 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 502 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 503 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 504 505config PL330_DMA 506 tristate "DMA API Driver for PL330" 507 select DMA_ENGINE 508 depends on ARM_AMBA 509 help 510 Select if your platform has one or more PL330 DMACs. 511 You need to provide platform specific settings via 512 platform_data for a dma-pl330 device. 513 514config PXA_DMA 515 bool "PXA DMA support" 516 depends on (ARCH_MMP || ARCH_PXA) 517 select DMA_ENGINE 518 select DMA_VIRTUAL_CHANNELS 519 help 520 Support the DMA engine for PXA. It is also compatible with MMP PDMA 521 platform. The internal DMA IP of all PXA variants is supported, with 522 16 to 32 channels for peripheral to memory or memory to memory 523 transfers. 524 525config PLX_DMA 526 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 527 depends on PCI 528 select DMA_ENGINE 529 help 530 Some PLX ExpressLane PCI Switches support additional DMA engines. 531 These are exposed via extra functions on the switch's 532 upstream port. Each function exposes one DMA channel. 533 534config STE_DMA40 535 bool "ST-Ericsson DMA40 support" 536 depends on ARCH_U8500 537 select DMA_ENGINE 538 select SRAM 539 help 540 Support for ST-Ericsson DMA40 controller 541 542config ST_FDMA 543 tristate "ST FDMA dmaengine support" 544 depends on ARCH_STI 545 depends on REMOTEPROC 546 select ST_SLIM_REMOTEPROC 547 select DMA_ENGINE 548 select DMA_VIRTUAL_CHANNELS 549 help 550 Enable support for ST FDMA controller. 551 It supports 16 independent DMA channels, accepts up to 32 DMA requests 552 553 Say Y here if you have such a chipset. 554 If unsure, say N. 555 556config STM32_DMA 557 bool "STMicroelectronics STM32 DMA support" 558 depends on ARCH_STM32 || COMPILE_TEST 559 select DMA_ENGINE 560 select DMA_VIRTUAL_CHANNELS 561 help 562 Enable support for the on-chip DMA controller on STMicroelectronics 563 STM32 MCUs. 564 If you have a board based on such a MCU and wish to use DMA say Y 565 here. 566 567config STM32_DMAMUX 568 bool "STMicroelectronics STM32 dma multiplexer support" 569 depends on STM32_DMA || COMPILE_TEST 570 help 571 Enable support for the on-chip DMA multiplexer on STMicroelectronics 572 STM32 MCUs. 573 If you have a board based on such a MCU and wish to use DMAMUX say Y 574 here. 575 576config STM32_MDMA 577 bool "STMicroelectronics STM32 master dma support" 578 depends on ARCH_STM32 || COMPILE_TEST 579 depends on OF 580 select DMA_ENGINE 581 select DMA_VIRTUAL_CHANNELS 582 help 583 Enable support for the on-chip MDMA controller on STMicroelectronics 584 STM32 platforms. 585 If you have a board based on STM32 SoC and wish to use the master DMA 586 say Y here. 587 588config SPRD_DMA 589 tristate "Spreadtrum DMA support" 590 depends on ARCH_SPRD || COMPILE_TEST 591 select DMA_ENGINE 592 select DMA_VIRTUAL_CHANNELS 593 help 594 Enable support for the on-chip DMA controller on Spreadtrum platform. 595 596config TXX9_DMAC 597 tristate "Toshiba TXx9 SoC DMA support" 598 depends on MACH_TX49XX 599 select DMA_ENGINE 600 help 601 Support the TXx9 SoC internal DMA controller. This can be 602 integrated in chips such as the Toshiba TX4927/38/39. 603 604config TEGRA186_GPC_DMA 605 tristate "NVIDIA Tegra GPC DMA support" 606 depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT 607 depends on IOMMU_API 608 select DMA_ENGINE 609 select DMA_VIRTUAL_CHANNELS 610 help 611 Support for the NVIDIA Tegra General Purpose Central DMA controller. 612 The DMA controller has multiple DMA channels which can be configured 613 for different peripherals like UART, SPI, etc which are on APB bus. 614 This DMA controller transfers data from memory to peripheral FIFO 615 or vice versa. It also supports memory to memory data transfer. 616 617config TEGRA20_APB_DMA 618 tristate "NVIDIA Tegra20 APB DMA support" 619 depends on ARCH_TEGRA || COMPILE_TEST 620 select DMA_ENGINE 621 help 622 Support for the NVIDIA Tegra20 APB DMA controller driver. The 623 DMA controller is having multiple DMA channel which can be 624 configured for different peripherals like audio, UART, SPI, 625 I2C etc which is in APB bus. 626 This DMA controller transfers data from memory to peripheral fifo 627 or vice versa. It does not support memory to memory data transfer. 628 629config TEGRA210_ADMA 630 tristate "NVIDIA Tegra210 ADMA support" 631 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 632 select DMA_ENGINE 633 select DMA_VIRTUAL_CHANNELS 634 help 635 Support for the NVIDIA Tegra210 ADMA controller driver. The 636 DMA controller has multiple DMA channels and is used to service 637 various audio clients in the Tegra210 audio processing engine 638 (APE). This DMA controller transfers data from memory to 639 peripheral and vice versa. It does not support memory to 640 memory data transfer. 641 642config TIMB_DMA 643 tristate "Timberdale FPGA DMA support" 644 depends on MFD_TIMBERDALE || COMPILE_TEST 645 select DMA_ENGINE 646 help 647 Enable support for the Timberdale FPGA DMA engine. 648 649config UNIPHIER_MDMAC 650 tristate "UniPhier MIO DMAC" 651 depends on ARCH_UNIPHIER || COMPILE_TEST 652 depends on OF 653 select DMA_ENGINE 654 select DMA_VIRTUAL_CHANNELS 655 help 656 Enable support for the MIO DMAC (Media I/O DMA controller) on the 657 UniPhier platform. This DMA controller is used as the external 658 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 659 660config UNIPHIER_XDMAC 661 tristate "UniPhier XDMAC support" 662 depends on ARCH_UNIPHIER || COMPILE_TEST 663 depends on OF 664 select DMA_ENGINE 665 select DMA_VIRTUAL_CHANNELS 666 help 667 Enable support for the XDMAC (external DMA controller) on the 668 UniPhier platform. This DMA controller can transfer data from 669 memory to memory, memory to peripheral and peripheral to memory. 670 671config XGENE_DMA 672 tristate "APM X-Gene DMA support" 673 depends on ARCH_XGENE || COMPILE_TEST 674 select DMA_ENGINE 675 select DMA_ENGINE_RAID 676 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 677 help 678 Enable support for the APM X-Gene SoC DMA engine. 679 680config XILINX_DMA 681 tristate "Xilinx AXI DMAS Engine" 682 depends on HAS_IOMEM 683 select DMA_ENGINE 684 help 685 Enable support for Xilinx AXI VDMA Soft IP. 686 687 AXI VDMA engine provides high-bandwidth direct memory access 688 between memory and AXI4-Stream video type target 689 peripherals including peripherals which support AXI4- 690 Stream Video Protocol. It has two stream interfaces/ 691 channels, Memory Mapped to Stream (MM2S) and Stream to 692 Memory Mapped (S2MM) for the data transfers. 693 AXI CDMA engine provides high-bandwidth direct memory access 694 between a memory-mapped source address and a memory-mapped 695 destination address. 696 AXI DMA engine provides high-bandwidth one dimensional direct 697 memory access between memory and AXI4-Stream target peripherals. 698 AXI MCDMA engine provides high-bandwidth direct memory access 699 between memory and AXI4-Stream target peripherals. It provides 700 the scatter gather interface with multiple channels independent 701 configuration support. 702 703config XILINX_XDMA 704 tristate "Xilinx DMA/Bridge Subsystem DMA Engine" 705 depends on HAS_IOMEM 706 select DMA_ENGINE 707 select DMA_VIRTUAL_CHANNELS 708 select REGMAP_MMIO 709 help 710 Enable support for Xilinx DMA/Bridge Subsystem DMA engine. The DMA 711 provides high performance block data movement between Host memory 712 and the DMA subsystem. These direct memory transfers can be both in 713 the Host to Card (H2C) and Card to Host (C2H) transfers. 714 The core also provides up to 16 user interrupt wires that generate 715 interrupts to the host. 716 717config XILINX_ZYNQMP_DMA 718 tristate "Xilinx ZynqMP DMA Engine" 719 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST 720 select DMA_ENGINE 721 help 722 Enable support for Xilinx ZynqMP DMA controller. 723 724config XILINX_ZYNQMP_DPDMA 725 tristate "Xilinx DPDMA Engine" 726 depends on HAS_IOMEM && OF 727 select DMA_ENGINE 728 select DMA_VIRTUAL_CHANNELS 729 help 730 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 731 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 732 driver provides the dmaengine required by the DisplayPort subsystem 733 display driver. 734 735# driver files 736source "drivers/dma/bestcomm/Kconfig" 737 738source "drivers/dma/mediatek/Kconfig" 739 740source "drivers/dma/ptdma/Kconfig" 741 742source "drivers/dma/qcom/Kconfig" 743 744source "drivers/dma/dw/Kconfig" 745 746source "drivers/dma/dw-edma/Kconfig" 747 748source "drivers/dma/hsu/Kconfig" 749 750source "drivers/dma/sf-pdma/Kconfig" 751 752source "drivers/dma/sh/Kconfig" 753 754source "drivers/dma/ti/Kconfig" 755 756source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 757 758source "drivers/dma/lgm/Kconfig" 759 760# clients 761comment "DMA Clients" 762 depends on DMA_ENGINE 763 764config ASYNC_TX_DMA 765 bool "Async_tx: Offload support for the async_tx api" 766 depends on DMA_ENGINE 767 help 768 This allows the async_tx api to take advantage of offload engines for 769 memcpy, memset, xor, and raid6 p+q operations. If your platform has 770 a dma engine that can perform raid operations and you have enabled 771 MD_RAID456 say Y. 772 773 If unsure, say N. 774 775config DMATEST 776 tristate "DMA Test client" 777 depends on DMA_ENGINE 778 select DMA_ENGINE_RAID 779 help 780 Simple DMA test client. Say N unless you're debugging a 781 DMA Device driver. 782 783config DMA_ENGINE_RAID 784 bool 785 786endif 787