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 LPC18XX_DMAMUX 373 bool "NXP LPC18xx/43xx DMA MUX for PL080" 374 depends on ARCH_LPC18XX || COMPILE_TEST 375 depends on OF && AMBA_PL08X 376 select MFD_SYSCON 377 help 378 Enable support for DMA on NXP LPC18xx/43xx platforms 379 with PL080 and multiplexed DMA request lines. 380 381config LS2X_APB_DMA 382 tristate "Loongson LS2X APB DMA support" 383 depends on LOONGARCH || COMPILE_TEST 384 select DMA_ENGINE 385 select DMA_VIRTUAL_CHANNELS 386 help 387 Support for the Loongson LS2X APB DMA controller driver. The 388 DMA controller is having single DMA channel which can be 389 configured for different peripherals like audio, nand, sdio 390 etc which is in APB bus. 391 392 This DMA controller transfers data from memory to peripheral fifo. 393 It does not support memory to memory data transfer. 394 395config MCF_EDMA 396 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 397 depends on M5441x || COMPILE_TEST 398 select DMA_ENGINE 399 select DMA_VIRTUAL_CHANNELS 400 help 401 Support the Freescale ColdFire eDMA engine, 64-channel 402 implementation that performs complex data transfers with 403 minimal intervention from a host processor. 404 This module can be found on Freescale ColdFire mcf5441x SoCs. 405 406config MILBEAUT_HDMAC 407 tristate "Milbeaut AHB DMA support" 408 depends on ARCH_MILBEAUT || COMPILE_TEST 409 depends on OF 410 select DMA_ENGINE 411 select DMA_VIRTUAL_CHANNELS 412 help 413 Say yes here to support the Socionext Milbeaut 414 HDMAC device. 415 416config MILBEAUT_XDMAC 417 tristate "Milbeaut AXI DMA support" 418 depends on ARCH_MILBEAUT || COMPILE_TEST 419 depends on OF 420 select DMA_ENGINE 421 select DMA_VIRTUAL_CHANNELS 422 help 423 Say yes here to support the Socionext Milbeaut 424 XDMAC device. 425 426config MMP_PDMA 427 tristate "MMP PDMA support" 428 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 429 select DMA_ENGINE 430 help 431 Support the MMP PDMA engine for PXA and MMP platform. 432 433config MMP_TDMA 434 tristate "MMP Two-Channel DMA support" 435 depends on ARCH_MMP || COMPILE_TEST 436 select DMA_ENGINE 437 select GENERIC_ALLOCATOR 438 help 439 Support the MMP Two-Channel DMA engine. 440 This engine used for MMP Audio DMA and pxa910 SQU. 441 442config MOXART_DMA 443 tristate "MOXART DMA support" 444 depends on ARCH_MOXART 445 select DMA_ENGINE 446 select DMA_VIRTUAL_CHANNELS 447 help 448 Enable support for the MOXA ART SoC DMA controller. 449 450 Say Y here if you enabled MMP ADMA, otherwise say N. 451 452config MPC512X_DMA 453 tristate "Freescale MPC512x built-in DMA engine support" 454 depends on PPC_MPC512x || PPC_MPC831x 455 select DMA_ENGINE 456 help 457 Enable support for the Freescale MPC512x built-in DMA engine. 458 459config MV_XOR 460 bool "Marvell XOR engine support" 461 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 462 select DMA_ENGINE 463 select DMA_ENGINE_RAID 464 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 465 help 466 Enable support for the Marvell XOR engine. 467 468config MV_XOR_V2 469 bool "Marvell XOR engine version 2 support " 470 depends on ARM64 471 select DMA_ENGINE 472 select DMA_ENGINE_RAID 473 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 474 select GENERIC_MSI_IRQ 475 help 476 Enable support for the Marvell version 2 XOR engine. 477 478 This engine provides acceleration for copy, XOR and RAID6 479 operations, and is available on Marvell Armada 7K and 8K 480 platforms. 481 482config MXS_DMA 483 bool "MXS DMA support" 484 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 485 select STMP_DEVICE 486 select DMA_ENGINE 487 help 488 Support the MXS DMA engine. This engine including APBH-DMA 489 and APBX-DMA is integrated into some Freescale chips. 490 491config NBPFAXI_DMA 492 tristate "Renesas Type-AXI NBPF DMA support" 493 select DMA_ENGINE 494 depends on ARM || COMPILE_TEST 495 help 496 Support for "Type-AXI" NBPF DMA IPs from Renesas 497 498config OWL_DMA 499 tristate "Actions Semi Owl SoCs DMA support" 500 depends on ARCH_ACTIONS 501 select DMA_ENGINE 502 select DMA_VIRTUAL_CHANNELS 503 help 504 Enable support for the Actions Semi Owl SoCs DMA controller. 505 506config PCH_DMA 507 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 508 depends on PCI && (X86_32 || COMPILE_TEST) 509 select DMA_ENGINE 510 help 511 Enable support for Intel EG20T PCH DMA engine. 512 513 This driver also can be used for LAPIS Semiconductor IOH(Input/ 514 Output Hub), ML7213, ML7223 and ML7831. 515 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 516 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 517 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 518 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 519 520config PL330_DMA 521 tristate "DMA API Driver for PL330" 522 select DMA_ENGINE 523 depends on ARM_AMBA 524 help 525 Select if your platform has one or more PL330 DMACs. 526 You need to provide platform specific settings via 527 platform_data for a dma-pl330 device. 528 529config PXA_DMA 530 bool "PXA DMA support" 531 depends on (ARCH_MMP || ARCH_PXA) 532 select DMA_ENGINE 533 select DMA_VIRTUAL_CHANNELS 534 help 535 Support the DMA engine for PXA. It is also compatible with MMP PDMA 536 platform. The internal DMA IP of all PXA variants is supported, with 537 16 to 32 channels for peripheral to memory or memory to memory 538 transfers. 539 540config PLX_DMA 541 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 542 depends on PCI 543 select DMA_ENGINE 544 help 545 Some PLX ExpressLane PCI Switches support additional DMA engines. 546 These are exposed via extra functions on the switch's 547 upstream port. Each function exposes one DMA channel. 548 549config STE_DMA40 550 bool "ST-Ericsson DMA40 support" 551 depends on ARCH_U8500 552 select DMA_ENGINE 553 select SRAM 554 help 555 Support for ST-Ericsson DMA40 controller 556 557config ST_FDMA 558 tristate "ST FDMA dmaengine support" 559 depends on ARCH_STI 560 depends on REMOTEPROC 561 select ST_SLIM_REMOTEPROC 562 select DMA_ENGINE 563 select DMA_VIRTUAL_CHANNELS 564 help 565 Enable support for ST FDMA controller. 566 It supports 16 independent DMA channels, accepts up to 32 DMA requests 567 568 Say Y here if you have such a chipset. 569 If unsure, say N. 570 571config STM32_DMA 572 bool "STMicroelectronics STM32 DMA support" 573 depends on ARCH_STM32 || COMPILE_TEST 574 select DMA_ENGINE 575 select DMA_VIRTUAL_CHANNELS 576 help 577 Enable support for the on-chip DMA controller on STMicroelectronics 578 STM32 MCUs. 579 If you have a board based on such a MCU and wish to use DMA say Y 580 here. 581 582config STM32_DMAMUX 583 bool "STMicroelectronics STM32 dma multiplexer support" 584 depends on STM32_DMA || COMPILE_TEST 585 help 586 Enable support for the on-chip DMA multiplexer on STMicroelectronics 587 STM32 MCUs. 588 If you have a board based on such a MCU and wish to use DMAMUX say Y 589 here. 590 591config STM32_MDMA 592 bool "STMicroelectronics STM32 master dma support" 593 depends on ARCH_STM32 || COMPILE_TEST 594 depends on OF 595 select DMA_ENGINE 596 select DMA_VIRTUAL_CHANNELS 597 help 598 Enable support for the on-chip MDMA controller on STMicroelectronics 599 STM32 platforms. 600 If you have a board based on STM32 SoC and wish to use the master DMA 601 say Y here. 602 603config SPRD_DMA 604 tristate "Spreadtrum DMA support" 605 depends on ARCH_SPRD || COMPILE_TEST 606 select DMA_ENGINE 607 select DMA_VIRTUAL_CHANNELS 608 help 609 Enable support for the on-chip DMA controller on Spreadtrum platform. 610 611config TXX9_DMAC 612 tristate "Toshiba TXx9 SoC DMA support" 613 depends on MACH_TX49XX 614 select DMA_ENGINE 615 help 616 Support the TXx9 SoC internal DMA controller. This can be 617 integrated in chips such as the Toshiba TX4927/38/39. 618 619config TEGRA186_GPC_DMA 620 tristate "NVIDIA Tegra GPC DMA support" 621 depends on (ARCH_TEGRA || COMPILE_TEST) && ARCH_DMA_ADDR_T_64BIT 622 depends on IOMMU_API 623 select DMA_ENGINE 624 select DMA_VIRTUAL_CHANNELS 625 help 626 Support for the NVIDIA Tegra General Purpose Central DMA controller. 627 The DMA controller has multiple DMA channels which can be configured 628 for different peripherals like UART, SPI, etc which are on APB bus. 629 This DMA controller transfers data from memory to peripheral FIFO 630 or vice versa. It also supports memory to memory data transfer. 631 632config TEGRA20_APB_DMA 633 tristate "NVIDIA Tegra20 APB DMA support" 634 depends on ARCH_TEGRA || COMPILE_TEST 635 select DMA_ENGINE 636 help 637 Support for the NVIDIA Tegra20 APB DMA controller driver. The 638 DMA controller is having multiple DMA channel which can be 639 configured for different peripherals like audio, UART, SPI, 640 I2C etc which is in APB bus. 641 This DMA controller transfers data from memory to peripheral fifo 642 or vice versa. It does not support memory to memory data transfer. 643 644config TEGRA210_ADMA 645 tristate "NVIDIA Tegra210 ADMA support" 646 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 647 select DMA_ENGINE 648 select DMA_VIRTUAL_CHANNELS 649 help 650 Support for the NVIDIA Tegra210 ADMA controller driver. The 651 DMA controller has multiple DMA channels and is used to service 652 various audio clients in the Tegra210 audio processing engine 653 (APE). This DMA controller transfers data from memory to 654 peripheral and vice versa. It does not support memory to 655 memory data transfer. 656 657config TIMB_DMA 658 tristate "Timberdale FPGA DMA support" 659 depends on MFD_TIMBERDALE || COMPILE_TEST 660 select DMA_ENGINE 661 help 662 Enable support for the Timberdale FPGA DMA engine. 663 664config UNIPHIER_MDMAC 665 tristate "UniPhier MIO DMAC" 666 depends on ARCH_UNIPHIER || COMPILE_TEST 667 depends on OF 668 select DMA_ENGINE 669 select DMA_VIRTUAL_CHANNELS 670 help 671 Enable support for the MIO DMAC (Media I/O DMA controller) on the 672 UniPhier platform. This DMA controller is used as the external 673 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 674 675config UNIPHIER_XDMAC 676 tristate "UniPhier XDMAC support" 677 depends on ARCH_UNIPHIER || COMPILE_TEST 678 depends on OF 679 select DMA_ENGINE 680 select DMA_VIRTUAL_CHANNELS 681 help 682 Enable support for the XDMAC (external DMA controller) on the 683 UniPhier platform. This DMA controller can transfer data from 684 memory to memory, memory to peripheral and peripheral to memory. 685 686config XGENE_DMA 687 tristate "APM X-Gene DMA support" 688 depends on ARCH_XGENE || COMPILE_TEST 689 select DMA_ENGINE 690 select DMA_ENGINE_RAID 691 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 692 help 693 Enable support for the APM X-Gene SoC DMA engine. 694 695config XILINX_DMA 696 tristate "Xilinx AXI DMAS Engine" 697 depends on HAS_IOMEM 698 select DMA_ENGINE 699 help 700 Enable support for Xilinx AXI VDMA Soft IP. 701 702 AXI VDMA engine provides high-bandwidth direct memory access 703 between memory and AXI4-Stream video type target 704 peripherals including peripherals which support AXI4- 705 Stream Video Protocol. It has two stream interfaces/ 706 channels, Memory Mapped to Stream (MM2S) and Stream to 707 Memory Mapped (S2MM) for the data transfers. 708 AXI CDMA engine provides high-bandwidth direct memory access 709 between a memory-mapped source address and a memory-mapped 710 destination address. 711 AXI DMA engine provides high-bandwidth one dimensional direct 712 memory access between memory and AXI4-Stream target peripherals. 713 AXI MCDMA engine provides high-bandwidth direct memory access 714 between memory and AXI4-Stream target peripherals. It provides 715 the scatter gather interface with multiple channels independent 716 configuration support. 717 718config XILINX_XDMA 719 tristate "Xilinx DMA/Bridge Subsystem DMA Engine" 720 depends on HAS_IOMEM 721 select DMA_ENGINE 722 select DMA_VIRTUAL_CHANNELS 723 select REGMAP_MMIO 724 help 725 Enable support for Xilinx DMA/Bridge Subsystem DMA engine. The DMA 726 provides high performance block data movement between Host memory 727 and the DMA subsystem. These direct memory transfers can be both in 728 the Host to Card (H2C) and Card to Host (C2H) transfers. 729 The core also provides up to 16 user interrupt wires that generate 730 interrupts to the host. 731 732config XILINX_ZYNQMP_DMA 733 tristate "Xilinx ZynqMP DMA Engine" 734 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST 735 select DMA_ENGINE 736 help 737 Enable support for Xilinx ZynqMP DMA controller. 738 739config XILINX_ZYNQMP_DPDMA 740 tristate "Xilinx DPDMA Engine" 741 depends on HAS_IOMEM && OF 742 select DMA_ENGINE 743 select DMA_VIRTUAL_CHANNELS 744 help 745 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 746 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 747 driver provides the dmaengine required by the DisplayPort subsystem 748 display driver. 749 750# driver files 751source "drivers/dma/bestcomm/Kconfig" 752 753source "drivers/dma/mediatek/Kconfig" 754 755source "drivers/dma/ptdma/Kconfig" 756 757source "drivers/dma/qcom/Kconfig" 758 759source "drivers/dma/dw/Kconfig" 760 761source "drivers/dma/dw-edma/Kconfig" 762 763source "drivers/dma/hsu/Kconfig" 764 765source "drivers/dma/sf-pdma/Kconfig" 766 767source "drivers/dma/sh/Kconfig" 768 769source "drivers/dma/ti/Kconfig" 770 771source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 772 773source "drivers/dma/lgm/Kconfig" 774 775# clients 776comment "DMA Clients" 777 depends on DMA_ENGINE 778 779config ASYNC_TX_DMA 780 bool "Async_tx: Offload support for the async_tx api" 781 depends on DMA_ENGINE 782 help 783 This allows the async_tx api to take advantage of offload engines for 784 memcpy, memset, xor, and raid6 p+q operations. If your platform has 785 a dma engine that can perform raid operations and you have enabled 786 MD_RAID456 say Y. 787 788 If unsure, say N. 789 790config DMATEST 791 tristate "DMA Test client" 792 depends on DMA_ENGINE 793 select DMA_ENGINE_RAID 794 help 795 Simple DMA test client. Say N unless you're debugging a 796 DMA Device driver. 797 798config DMA_ENGINE_RAID 799 bool 800 801endif 802