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 AT_HDMAC 89 tristate "Atmel AHB DMA support" 90 depends on ARCH_AT91 91 select DMA_ENGINE 92 help 93 Support the Atmel AHB DMA controller. 94 95config AT_XDMAC 96 tristate "Atmel XDMA support" 97 depends on ARCH_AT91 98 select DMA_ENGINE 99 help 100 Support the Atmel XDMA controller. 101 102config AXI_DMAC 103 tristate "Analog Devices AXI-DMAC DMA support" 104 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST 105 select DMA_ENGINE 106 select DMA_VIRTUAL_CHANNELS 107 select REGMAP_MMIO 108 help 109 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 110 controller is often used in Analog Devices' reference designs for FPGA 111 platforms. 112 113config BCM_SBA_RAID 114 tristate "Broadcom SBA RAID engine support" 115 depends on ARM64 || COMPILE_TEST 116 depends on MAILBOX && RAID6_PQ 117 select DMA_ENGINE 118 select DMA_ENGINE_RAID 119 select ASYNC_TX_DISABLE_XOR_VAL_DMA 120 select ASYNC_TX_DISABLE_PQ_VAL_DMA 121 default m if ARCH_BCM_IPROC 122 help 123 Enable support for Broadcom SBA RAID Engine. The SBA RAID 124 engine is available on most of the Broadcom iProc SoCs. It 125 has the capability to offload memcpy, xor and pq computation 126 for raid5/6. 127 128config DMA_BCM2835 129 tristate "BCM2835 DMA engine support" 130 depends on ARCH_BCM2835 131 select DMA_ENGINE 132 select DMA_VIRTUAL_CHANNELS 133 134config DMA_JZ4780 135 tristate "JZ4780 DMA support" 136 depends on MIPS || COMPILE_TEST 137 select DMA_ENGINE 138 select DMA_VIRTUAL_CHANNELS 139 help 140 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 141 If you have a board based on such a SoC and wish to use DMA for 142 devices which can use the DMA controller, say Y or M here. 143 144config DMA_SA11X0 145 tristate "SA-11x0 DMA support" 146 depends on ARCH_SA1100 || COMPILE_TEST 147 select DMA_ENGINE 148 select DMA_VIRTUAL_CHANNELS 149 help 150 Support the DMA engine found on Intel StrongARM SA-1100 and 151 SA-1110 SoCs. This DMA engine can only be used with on-chip 152 devices. 153 154config DMA_SUN4I 155 tristate "Allwinner A10 DMA SoCs support" 156 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 157 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 158 select DMA_ENGINE 159 select DMA_VIRTUAL_CHANNELS 160 help 161 Enable support for the DMA controller present in the sun4i, 162 sun5i and sun7i Allwinner ARM SoCs. 163 164config DMA_SUN6I 165 tristate "Allwinner A31 SoCs DMA support" 166 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 167 depends on RESET_CONTROLLER 168 select DMA_ENGINE 169 select DMA_VIRTUAL_CHANNELS 170 help 171 Support for the DMA engine first found in Allwinner A31 SoCs. 172 173config DW_AXI_DMAC 174 tristate "Synopsys DesignWare AXI DMA support" 175 depends on OF || COMPILE_TEST 176 depends on HAS_IOMEM 177 select DMA_ENGINE 178 select DMA_VIRTUAL_CHANNELS 179 help 180 Enable support for Synopsys DesignWare AXI DMA controller. 181 NOTE: This driver wasn't tested on 64 bit platform because 182 of lack 64 bit platform with Synopsys DW AXI DMAC. 183 184config EP93XX_DMA 185 bool "Cirrus Logic EP93xx DMA support" 186 depends on ARCH_EP93XX || COMPILE_TEST 187 select DMA_ENGINE 188 help 189 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 190 191config FSL_DMA 192 tristate "Freescale Elo series DMA support" 193 depends on FSL_SOC 194 select DMA_ENGINE 195 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 196 help 197 Enable support for the Freescale Elo series DMA controllers. 198 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 199 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 200 some Txxx and Bxxx parts. 201 202config FSL_EDMA 203 tristate "Freescale eDMA engine support" 204 depends on OF 205 select DMA_ENGINE 206 select DMA_VIRTUAL_CHANNELS 207 help 208 Support the Freescale eDMA engine with programmable channel 209 multiplexing capability for DMA request sources(slot). 210 This module can be found on Freescale Vybrid and LS-1 SoCs. 211 212config FSL_QDMA 213 tristate "NXP Layerscape qDMA engine support" 214 depends on ARM || ARM64 215 select DMA_ENGINE 216 select DMA_VIRTUAL_CHANNELS 217 select DMA_ENGINE_RAID 218 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 219 help 220 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 221 Channel virtualization is supported through enqueuing of DMA jobs to, 222 or dequeuing DMA jobs from, different work queues. 223 This module can be found on NXP Layerscape SoCs. 224 The qdma driver only work on SoCs with a DPAA hardware block. 225 226config FSL_RAID 227 tristate "Freescale RAID engine Support" 228 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 229 select DMA_ENGINE 230 select DMA_ENGINE_RAID 231 help 232 Enable support for Freescale RAID Engine. RAID Engine is 233 available on some QorIQ SoCs (like P5020/P5040). It has 234 the capability to offload memcpy, xor and pq computation 235 for raid5/6. 236 237config HISI_DMA 238 tristate "HiSilicon DMA Engine support" 239 depends on ARM64 || COMPILE_TEST 240 depends on PCI_MSI 241 select DMA_ENGINE 242 select DMA_VIRTUAL_CHANNELS 243 help 244 Support HiSilicon Kunpeng DMA engine. 245 246config IMG_MDC_DMA 247 tristate "IMG MDC support" 248 depends on MIPS || COMPILE_TEST 249 depends on MFD_SYSCON 250 select DMA_ENGINE 251 select DMA_VIRTUAL_CHANNELS 252 help 253 Enable support for the IMG multi-threaded DMA controller (MDC). 254 255config IMX_DMA 256 tristate "i.MX DMA support" 257 depends on ARCH_MXC 258 select DMA_ENGINE 259 help 260 Support the i.MX DMA engine. This engine is integrated into 261 Freescale i.MX1/21/27 chips. 262 263config IMX_SDMA 264 tristate "i.MX SDMA support" 265 depends on ARCH_MXC 266 select DMA_ENGINE 267 select DMA_VIRTUAL_CHANNELS 268 help 269 Support the i.MX SDMA engine. This engine is integrated into 270 Freescale i.MX25/31/35/51/53/6 chips. 271 272config INTEL_IDMA64 273 tristate "Intel integrated DMA 64-bit support" 274 select DMA_ENGINE 275 select DMA_VIRTUAL_CHANNELS 276 help 277 Enable DMA support for Intel Low Power Subsystem such as found on 278 Intel Skylake PCH. 279 280config INTEL_IDXD 281 tristate "Intel Data Accelerators support" 282 depends on PCI && X86_64 283 depends on PCI_MSI 284 depends on SBITMAP 285 select DMA_ENGINE 286 help 287 Enable support for the Intel(R) data accelerators present 288 in Intel Xeon CPU. 289 290 Say Y if you have such a platform. 291 292 If unsure, say N. 293 294# Config symbol that collects all the dependencies that's necessary to 295# support shared virtual memory for the devices supported by idxd. 296config INTEL_IDXD_SVM 297 bool "Accelerator Shared Virtual Memory Support" 298 depends on INTEL_IDXD 299 depends on INTEL_IOMMU_SVM 300 depends on PCI_PRI 301 depends on PCI_PASID 302 depends on PCI_IOV 303 304config INTEL_IDXD_PERFMON 305 bool "Intel Data Accelerators performance monitor support" 306 depends on INTEL_IDXD 307 help 308 Enable performance monitor (pmu) support for the Intel(R) 309 data accelerators present in Intel Xeon CPU. With this 310 enabled, perf can be used to monitor the DSA (Intel Data 311 Streaming Accelerator) events described in the Intel DSA 312 spec. 313 314 If unsure, say N. 315 316config INTEL_IOATDMA 317 tristate "Intel I/OAT DMA support" 318 depends on PCI && X86_64 319 select DMA_ENGINE 320 select DMA_ENGINE_RAID 321 select DCA 322 help 323 Enable support for the Intel(R) I/OAT DMA engine present 324 in recent Intel Xeon chipsets. 325 326 Say Y here if you have such a chipset. 327 328 If unsure, say N. 329 330config INTEL_IOP_ADMA 331 tristate "Intel IOP32x ADMA support" 332 depends on ARCH_IOP32X || COMPILE_TEST 333 select DMA_ENGINE 334 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 335 help 336 Enable support for the Intel(R) IOP Series RAID engines. 337 338config K3_DMA 339 tristate "Hisilicon K3 DMA support" 340 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 341 select DMA_ENGINE 342 select DMA_VIRTUAL_CHANNELS 343 help 344 Support the DMA engine for Hisilicon K3 platform 345 devices. 346 347config LPC18XX_DMAMUX 348 bool "NXP LPC18xx/43xx DMA MUX for PL080" 349 depends on ARCH_LPC18XX || COMPILE_TEST 350 depends on OF && AMBA_PL08X 351 select MFD_SYSCON 352 help 353 Enable support for DMA on NXP LPC18xx/43xx platforms 354 with PL080 and multiplexed DMA request lines. 355 356config MCF_EDMA 357 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 358 depends on M5441x || COMPILE_TEST 359 select DMA_ENGINE 360 select DMA_VIRTUAL_CHANNELS 361 help 362 Support the Freescale ColdFire eDMA engine, 64-channel 363 implementation that performs complex data transfers with 364 minimal intervention from a host processor. 365 This module can be found on Freescale ColdFire mcf5441x SoCs. 366 367config MILBEAUT_HDMAC 368 tristate "Milbeaut AHB DMA support" 369 depends on ARCH_MILBEAUT || COMPILE_TEST 370 depends on OF 371 select DMA_ENGINE 372 select DMA_VIRTUAL_CHANNELS 373 help 374 Say yes here to support the Socionext Milbeaut 375 HDMAC device. 376 377config MILBEAUT_XDMAC 378 tristate "Milbeaut AXI DMA support" 379 depends on ARCH_MILBEAUT || COMPILE_TEST 380 depends on OF 381 select DMA_ENGINE 382 select DMA_VIRTUAL_CHANNELS 383 help 384 Say yes here to support the Socionext Milbeaut 385 XDMAC device. 386 387config MMP_PDMA 388 tristate "MMP PDMA support" 389 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 390 select DMA_ENGINE 391 help 392 Support the MMP PDMA engine for PXA and MMP platform. 393 394config MMP_TDMA 395 tristate "MMP Two-Channel DMA support" 396 depends on ARCH_MMP || COMPILE_TEST 397 select DMA_ENGINE 398 select GENERIC_ALLOCATOR 399 help 400 Support the MMP Two-Channel DMA engine. 401 This engine used for MMP Audio DMA and pxa910 SQU. 402 403config MOXART_DMA 404 tristate "MOXART DMA support" 405 depends on ARCH_MOXART 406 select DMA_ENGINE 407 select DMA_VIRTUAL_CHANNELS 408 help 409 Enable support for the MOXA ART SoC DMA controller. 410 411 Say Y here if you enabled MMP ADMA, otherwise say N. 412 413config MPC512X_DMA 414 tristate "Freescale MPC512x built-in DMA engine support" 415 depends on PPC_MPC512x || PPC_MPC831x 416 select DMA_ENGINE 417 help 418 Enable support for the Freescale MPC512x built-in DMA engine. 419 420config MV_XOR 421 bool "Marvell XOR engine support" 422 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 423 select DMA_ENGINE 424 select DMA_ENGINE_RAID 425 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 426 help 427 Enable support for the Marvell XOR engine. 428 429config MV_XOR_V2 430 bool "Marvell XOR engine version 2 support " 431 depends on ARM64 432 select DMA_ENGINE 433 select DMA_ENGINE_RAID 434 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 435 select GENERIC_MSI_IRQ_DOMAIN 436 help 437 Enable support for the Marvell version 2 XOR engine. 438 439 This engine provides acceleration for copy, XOR and RAID6 440 operations, and is available on Marvell Armada 7K and 8K 441 platforms. 442 443config MXS_DMA 444 bool "MXS DMA support" 445 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 446 select STMP_DEVICE 447 select DMA_ENGINE 448 help 449 Support the MXS DMA engine. This engine including APBH-DMA 450 and APBX-DMA is integrated into some Freescale chips. 451 452config MX3_IPU 453 bool "MX3x Image Processing Unit support" 454 depends on ARCH_MXC 455 select DMA_ENGINE 456 default y 457 help 458 If you plan to use the Image Processing unit in the i.MX3x, say 459 Y here. If unsure, select Y. 460 461config MX3_IPU_IRQS 462 int "Number of dynamically mapped interrupts for IPU" 463 depends on MX3_IPU 464 range 2 137 465 default 4 466 help 467 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 468 To avoid bloating the irq_desc[] array we allocate a sufficient 469 number of IRQ slots and map them dynamically to specific sources. 470 471config NBPFAXI_DMA 472 tristate "Renesas Type-AXI NBPF DMA support" 473 select DMA_ENGINE 474 depends on ARM || COMPILE_TEST 475 help 476 Support for "Type-AXI" NBPF DMA IPs from Renesas 477 478config OWL_DMA 479 tristate "Actions Semi Owl SoCs DMA support" 480 depends on ARCH_ACTIONS 481 select DMA_ENGINE 482 select DMA_VIRTUAL_CHANNELS 483 help 484 Enable support for the Actions Semi Owl SoCs DMA controller. 485 486config PCH_DMA 487 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 488 depends on PCI && (X86_32 || COMPILE_TEST) 489 select DMA_ENGINE 490 help 491 Enable support for Intel EG20T PCH DMA engine. 492 493 This driver also can be used for LAPIS Semiconductor IOH(Input/ 494 Output Hub), ML7213, ML7223 and ML7831. 495 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 496 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 497 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 498 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 499 500config PL330_DMA 501 tristate "DMA API Driver for PL330" 502 select DMA_ENGINE 503 depends on ARM_AMBA 504 help 505 Select if your platform has one or more PL330 DMACs. 506 You need to provide platform specific settings via 507 platform_data for a dma-pl330 device. 508 509config PXA_DMA 510 bool "PXA DMA support" 511 depends on (ARCH_MMP || ARCH_PXA) 512 select DMA_ENGINE 513 select DMA_VIRTUAL_CHANNELS 514 help 515 Support the DMA engine for PXA. It is also compatible with MMP PDMA 516 platform. The internal DMA IP of all PXA variants is supported, with 517 16 to 32 channels for peripheral to memory or memory to memory 518 transfers. 519 520config PLX_DMA 521 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 522 depends on PCI 523 select DMA_ENGINE 524 help 525 Some PLX ExpressLane PCI Switches support additional DMA engines. 526 These are exposed via extra functions on the switch's 527 upstream port. Each function exposes one DMA channel. 528 529config STE_DMA40 530 bool "ST-Ericsson DMA40 support" 531 depends on ARCH_U8500 532 select DMA_ENGINE 533 help 534 Support for ST-Ericsson DMA40 controller 535 536config ST_FDMA 537 tristate "ST FDMA dmaengine support" 538 depends on ARCH_STI 539 depends on REMOTEPROC 540 select ST_SLIM_REMOTEPROC 541 select DMA_ENGINE 542 select DMA_VIRTUAL_CHANNELS 543 help 544 Enable support for ST FDMA controller. 545 It supports 16 independent DMA channels, accepts up to 32 DMA requests 546 547 Say Y here if you have such a chipset. 548 If unsure, say N. 549 550config STM32_DMA 551 bool "STMicroelectronics STM32 DMA support" 552 depends on ARCH_STM32 || COMPILE_TEST 553 select DMA_ENGINE 554 select DMA_VIRTUAL_CHANNELS 555 help 556 Enable support for the on-chip DMA controller on STMicroelectronics 557 STM32 MCUs. 558 If you have a board based on such a MCU and wish to use DMA say Y 559 here. 560 561config STM32_DMAMUX 562 bool "STMicroelectronics STM32 dma multiplexer support" 563 depends on STM32_DMA || COMPILE_TEST 564 help 565 Enable support for the on-chip DMA multiplexer on STMicroelectronics 566 STM32 MCUs. 567 If you have a board based on such a MCU and wish to use DMAMUX say Y 568 here. 569 570config STM32_MDMA 571 bool "STMicroelectronics STM32 master dma support" 572 depends on ARCH_STM32 || COMPILE_TEST 573 depends on OF 574 select DMA_ENGINE 575 select DMA_VIRTUAL_CHANNELS 576 help 577 Enable support for the on-chip MDMA controller on STMicroelectronics 578 STM32 platforms. 579 If you have a board based on STM32 SoC and wish to use the master DMA 580 say Y here. 581 582config SPRD_DMA 583 tristate "Spreadtrum DMA support" 584 depends on ARCH_SPRD || COMPILE_TEST 585 select DMA_ENGINE 586 select DMA_VIRTUAL_CHANNELS 587 help 588 Enable support for the on-chip DMA controller on Spreadtrum platform. 589 590config S3C24XX_DMAC 591 bool "Samsung S3C24XX DMA support" 592 depends on ARCH_S3C24XX || COMPILE_TEST 593 select DMA_ENGINE 594 select DMA_VIRTUAL_CHANNELS 595 help 596 Support for the Samsung S3C24XX DMA controller driver. The 597 DMA controller is having multiple DMA channels which can be 598 configured for different peripherals like audio, UART, SPI. 599 The DMA controller can transfer data from memory to peripheral, 600 periphal to memory, periphal to periphal and memory to memory. 601 602config TXX9_DMAC 603 tristate "Toshiba TXx9 SoC DMA support" 604 depends on MACH_TX49XX || MACH_TX39XX 605 select DMA_ENGINE 606 help 607 Support the TXx9 SoC internal DMA controller. This can be 608 integrated in chips such as the Toshiba TX4927/38/39. 609 610config TEGRA20_APB_DMA 611 tristate "NVIDIA Tegra20 APB DMA support" 612 depends on ARCH_TEGRA || COMPILE_TEST 613 select DMA_ENGINE 614 help 615 Support for the NVIDIA Tegra20 APB DMA controller driver. The 616 DMA controller is having multiple DMA channel which can be 617 configured for different peripherals like audio, UART, SPI, 618 I2C etc which is in APB bus. 619 This DMA controller transfers data from memory to peripheral fifo 620 or vice versa. It does not support memory to memory data transfer. 621 622config TEGRA210_ADMA 623 tristate "NVIDIA Tegra210 ADMA support" 624 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 625 select DMA_ENGINE 626 select DMA_VIRTUAL_CHANNELS 627 help 628 Support for the NVIDIA Tegra210 ADMA controller driver. The 629 DMA controller has multiple DMA channels and is used to service 630 various audio clients in the Tegra210 audio processing engine 631 (APE). This DMA controller transfers data from memory to 632 peripheral and vice versa. It does not support memory to 633 memory data transfer. 634 635config TIMB_DMA 636 tristate "Timberdale FPGA DMA support" 637 depends on MFD_TIMBERDALE || COMPILE_TEST 638 select DMA_ENGINE 639 help 640 Enable support for the Timberdale FPGA DMA engine. 641 642config UNIPHIER_MDMAC 643 tristate "UniPhier MIO DMAC" 644 depends on ARCH_UNIPHIER || COMPILE_TEST 645 depends on OF 646 select DMA_ENGINE 647 select DMA_VIRTUAL_CHANNELS 648 help 649 Enable support for the MIO DMAC (Media I/O DMA controller) on the 650 UniPhier platform. This DMA controller is used as the external 651 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 652 653config UNIPHIER_XDMAC 654 tristate "UniPhier XDMAC support" 655 depends on ARCH_UNIPHIER || COMPILE_TEST 656 depends on OF 657 select DMA_ENGINE 658 select DMA_VIRTUAL_CHANNELS 659 help 660 Enable support for the XDMAC (external DMA controller) on the 661 UniPhier platform. This DMA controller can transfer data from 662 memory to memory, memory to peripheral and peripheral to memory. 663 664config XGENE_DMA 665 tristate "APM X-Gene DMA support" 666 depends on ARCH_XGENE || COMPILE_TEST 667 select DMA_ENGINE 668 select DMA_ENGINE_RAID 669 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 670 help 671 Enable support for the APM X-Gene SoC DMA engine. 672 673config XILINX_DMA 674 tristate "Xilinx AXI DMAS Engine" 675 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 676 select DMA_ENGINE 677 help 678 Enable support for Xilinx AXI VDMA Soft IP. 679 680 AXI VDMA engine provides high-bandwidth direct memory access 681 between memory and AXI4-Stream video type target 682 peripherals including peripherals which support AXI4- 683 Stream Video Protocol. It has two stream interfaces/ 684 channels, Memory Mapped to Stream (MM2S) and Stream to 685 Memory Mapped (S2MM) for the data transfers. 686 AXI CDMA engine provides high-bandwidth direct memory access 687 between a memory-mapped source address and a memory-mapped 688 destination address. 689 AXI DMA engine provides high-bandwidth one dimensional direct 690 memory access between memory and AXI4-Stream target peripherals. 691 AXI MCDMA engine provides high-bandwidth direct memory access 692 between memory and AXI4-Stream target peripherals. It provides 693 the scatter gather interface with multiple channels independent 694 configuration support. 695 696config XILINX_ZYNQMP_DMA 697 tristate "Xilinx ZynqMP DMA Engine" 698 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 699 select DMA_ENGINE 700 help 701 Enable support for Xilinx ZynqMP DMA controller. 702 703config XILINX_ZYNQMP_DPDMA 704 tristate "Xilinx DPDMA Engine" 705 depends on HAS_IOMEM && OF 706 select DMA_ENGINE 707 select DMA_VIRTUAL_CHANNELS 708 help 709 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 710 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 711 driver provides the dmaengine required by the DisplayPort subsystem 712 display driver. 713 714# driver files 715source "drivers/dma/bestcomm/Kconfig" 716 717source "drivers/dma/mediatek/Kconfig" 718 719source "drivers/dma/qcom/Kconfig" 720 721source "drivers/dma/dw/Kconfig" 722 723source "drivers/dma/dw-edma/Kconfig" 724 725source "drivers/dma/hsu/Kconfig" 726 727source "drivers/dma/sf-pdma/Kconfig" 728 729source "drivers/dma/sh/Kconfig" 730 731source "drivers/dma/ti/Kconfig" 732 733source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 734 735source "drivers/dma/lgm/Kconfig" 736 737# clients 738comment "DMA Clients" 739 depends on DMA_ENGINE 740 741config ASYNC_TX_DMA 742 bool "Async_tx: Offload support for the async_tx api" 743 depends on DMA_ENGINE 744 help 745 This allows the async_tx api to take advantage of offload engines for 746 memcpy, memset, xor, and raid6 p+q operations. If your platform has 747 a dma engine that can perform raid operations and you have enabled 748 MD_RAID456 say Y. 749 750 If unsure, say N. 751 752config DMATEST 753 tristate "DMA Test client" 754 depends on DMA_ENGINE 755 select DMA_ENGINE_RAID 756 help 757 Simple DMA test client. Say N unless you're debugging a 758 DMA Device driver. 759 760config DMA_ENGINE_RAID 761 bool 762 763endif 764