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 select DMA_ENGINE 63 help 64 Enable support for Altera / Intel mSGDMA controller. 65 66config AMBA_PL08X 67 bool "ARM PrimeCell PL080 or PL081 support" 68 depends on ARM_AMBA 69 select DMA_ENGINE 70 select DMA_VIRTUAL_CHANNELS 71 help 72 Say yes if your platform has a PL08x DMAC device which can 73 provide DMA engine support. This includes the original ARM 74 PL080 and PL081, Samsungs PL080 derivative and Faraday 75 Technology's FTDMAC020 PL080 derivative. 76 77config AMCC_PPC440SPE_ADMA 78 tristate "AMCC PPC440SPe ADMA support" 79 depends on 440SPe || 440SP 80 select DMA_ENGINE 81 select DMA_ENGINE_RAID 82 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 83 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 84 help 85 Enable support for the AMCC PPC440SPe RAID engines. 86 87config AT_HDMAC 88 tristate "Atmel AHB DMA support" 89 depends on ARCH_AT91 90 select DMA_ENGINE 91 help 92 Support the Atmel AHB DMA controller. 93 94config AT_XDMAC 95 tristate "Atmel XDMA support" 96 depends on ARCH_AT91 97 select DMA_ENGINE 98 help 99 Support the Atmel XDMA controller. 100 101config AXI_DMAC 102 tristate "Analog Devices AXI-DMAC DMA support" 103 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST 104 select DMA_ENGINE 105 select DMA_VIRTUAL_CHANNELS 106 select REGMAP_MMIO 107 help 108 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 109 controller is often used in Analog Devices' reference designs for FPGA 110 platforms. 111 112config BCM_SBA_RAID 113 tristate "Broadcom SBA RAID engine support" 114 depends on ARM64 || COMPILE_TEST 115 depends on MAILBOX && RAID6_PQ 116 select DMA_ENGINE 117 select DMA_ENGINE_RAID 118 select ASYNC_TX_DISABLE_XOR_VAL_DMA 119 select ASYNC_TX_DISABLE_PQ_VAL_DMA 120 default m if ARCH_BCM_IPROC 121 help 122 Enable support for Broadcom SBA RAID Engine. The SBA RAID 123 engine is available on most of the Broadcom iProc SoCs. It 124 has the capability to offload memcpy, xor and pq computation 125 for raid5/6. 126 127config COH901318 128 bool "ST-Ericsson COH901318 DMA support" 129 select DMA_ENGINE 130 depends on ARCH_U300 || COMPILE_TEST 131 help 132 Enable support for ST-Ericsson COH 901 318 DMA. 133 134config DMA_BCM2835 135 tristate "BCM2835 DMA engine support" 136 depends on ARCH_BCM2835 137 select DMA_ENGINE 138 select DMA_VIRTUAL_CHANNELS 139 140config DMA_JZ4780 141 tristate "JZ4780 DMA support" 142 depends on MIPS || COMPILE_TEST 143 select DMA_ENGINE 144 select DMA_VIRTUAL_CHANNELS 145 help 146 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 147 If you have a board based on such a SoC and wish to use DMA for 148 devices which can use the DMA controller, say Y or M here. 149 150config DMA_SA11X0 151 tristate "SA-11x0 DMA support" 152 depends on ARCH_SA1100 || COMPILE_TEST 153 select DMA_ENGINE 154 select DMA_VIRTUAL_CHANNELS 155 help 156 Support the DMA engine found on Intel StrongARM SA-1100 and 157 SA-1110 SoCs. This DMA engine can only be used with on-chip 158 devices. 159 160config DMA_SUN4I 161 tristate "Allwinner A10 DMA SoCs support" 162 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 163 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 164 select DMA_ENGINE 165 select DMA_VIRTUAL_CHANNELS 166 help 167 Enable support for the DMA controller present in the sun4i, 168 sun5i and sun7i Allwinner ARM SoCs. 169 170config DMA_SUN6I 171 tristate "Allwinner A31 SoCs DMA support" 172 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 173 depends on RESET_CONTROLLER 174 select DMA_ENGINE 175 select DMA_VIRTUAL_CHANNELS 176 help 177 Support for the DMA engine first found in Allwinner A31 SoCs. 178 179config DW_AXI_DMAC 180 tristate "Synopsys DesignWare AXI DMA support" 181 depends on OF || COMPILE_TEST 182 select DMA_ENGINE 183 select DMA_VIRTUAL_CHANNELS 184 help 185 Enable support for Synopsys DesignWare AXI DMA controller. 186 NOTE: This driver wasn't tested on 64 bit platform because 187 of lack 64 bit platform with Synopsys DW AXI DMAC. 188 189config EP93XX_DMA 190 bool "Cirrus Logic EP93xx DMA support" 191 depends on ARCH_EP93XX || COMPILE_TEST 192 select DMA_ENGINE 193 help 194 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 195 196config FSL_DMA 197 tristate "Freescale Elo series DMA support" 198 depends on FSL_SOC 199 select DMA_ENGINE 200 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 201 help 202 Enable support for the Freescale Elo series DMA controllers. 203 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 204 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 205 some Txxx and Bxxx parts. 206 207config FSL_EDMA 208 tristate "Freescale eDMA engine support" 209 depends on OF 210 select DMA_ENGINE 211 select DMA_VIRTUAL_CHANNELS 212 help 213 Support the Freescale eDMA engine with programmable channel 214 multiplexing capability for DMA request sources(slot). 215 This module can be found on Freescale Vybrid and LS-1 SoCs. 216 217config FSL_QDMA 218 tristate "NXP Layerscape qDMA engine support" 219 depends on ARM || ARM64 220 select DMA_ENGINE 221 select DMA_VIRTUAL_CHANNELS 222 select DMA_ENGINE_RAID 223 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 224 help 225 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 226 Channel virtualization is supported through enqueuing of DMA jobs to, 227 or dequeuing DMA jobs from, different work queues. 228 This module can be found on NXP Layerscape SoCs. 229 The qdma driver only work on SoCs with a DPAA hardware block. 230 231config FSL_RAID 232 tristate "Freescale RAID engine Support" 233 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 234 select DMA_ENGINE 235 select DMA_ENGINE_RAID 236 help 237 Enable support for Freescale RAID Engine. RAID Engine is 238 available on some QorIQ SoCs (like P5020/P5040). It has 239 the capability to offload memcpy, xor and pq computation 240 for raid5/6. 241 242config HISI_DMA 243 tristate "HiSilicon DMA Engine support" 244 depends on ARM64 || COMPILE_TEST 245 depends on PCI_MSI 246 select DMA_ENGINE 247 select DMA_VIRTUAL_CHANNELS 248 help 249 Support HiSilicon Kunpeng DMA engine. 250 251config IMG_MDC_DMA 252 tristate "IMG MDC support" 253 depends on MIPS || COMPILE_TEST 254 depends on MFD_SYSCON 255 select DMA_ENGINE 256 select DMA_VIRTUAL_CHANNELS 257 help 258 Enable support for the IMG multi-threaded DMA controller (MDC). 259 260config IMX_DMA 261 tristate "i.MX DMA support" 262 depends on ARCH_MXC 263 select DMA_ENGINE 264 help 265 Support the i.MX DMA engine. This engine is integrated into 266 Freescale i.MX1/21/27 chips. 267 268config IMX_SDMA 269 tristate "i.MX SDMA support" 270 depends on ARCH_MXC 271 select DMA_ENGINE 272 select DMA_VIRTUAL_CHANNELS 273 help 274 Support the i.MX SDMA engine. This engine is integrated into 275 Freescale i.MX25/31/35/51/53/6 chips. 276 277config INTEL_IDMA64 278 tristate "Intel integrated DMA 64-bit support" 279 select DMA_ENGINE 280 select DMA_VIRTUAL_CHANNELS 281 help 282 Enable DMA support for Intel Low Power Subsystem such as found on 283 Intel Skylake PCH. 284 285config INTEL_IDXD 286 tristate "Intel Data Accelerators support" 287 depends on PCI && X86_64 288 depends on PCI_MSI 289 depends on SBITMAP 290 select DMA_ENGINE 291 help 292 Enable support for the Intel(R) data accelerators present 293 in Intel Xeon CPU. 294 295 Say Y if you have such a platform. 296 297 If unsure, say N. 298 299# Config symbol that collects all the dependencies that's necessary to 300# support shared virtual memory for the devices supported by idxd. 301config INTEL_IDXD_SVM 302 bool "Accelerator Shared Virtual Memory Support" 303 depends on INTEL_IDXD 304 depends on INTEL_IOMMU_SVM 305 depends on PCI_PRI 306 depends on PCI_PASID 307 depends on PCI_IOV 308 309config INTEL_IOATDMA 310 tristate "Intel I/OAT DMA support" 311 depends on PCI && X86_64 312 select DMA_ENGINE 313 select DMA_ENGINE_RAID 314 select DCA 315 help 316 Enable support for the Intel(R) I/OAT DMA engine present 317 in recent Intel Xeon chipsets. 318 319 Say Y here if you have such a chipset. 320 321 If unsure, say N. 322 323config INTEL_IOP_ADMA 324 tristate "Intel IOP32x ADMA support" 325 depends on ARCH_IOP32X || COMPILE_TEST 326 select DMA_ENGINE 327 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 328 help 329 Enable support for the Intel(R) IOP Series RAID engines. 330 331config INTEL_MIC_X100_DMA 332 tristate "Intel MIC X100 DMA Driver" 333 depends on 64BIT && X86 && INTEL_MIC_BUS 334 select DMA_ENGINE 335 help 336 This enables DMA support for the Intel Many Integrated Core 337 (MIC) family of PCIe form factor coprocessor X100 devices that 338 run a 64 bit Linux OS. This driver will be used by both MIC 339 host and card drivers. 340 341 If you are building host kernel with a MIC device or a card 342 kernel for a MIC device, then say M (recommended) or Y, else 343 say N. If unsure say N. 344 345 More information about the Intel MIC family as well as the Linux 346 OS and tools for MIC to use with this driver are available from 347 <http://software.intel.com/en-us/mic-developer>. 348 349config K3_DMA 350 tristate "Hisilicon K3 DMA support" 351 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 352 select DMA_ENGINE 353 select DMA_VIRTUAL_CHANNELS 354 help 355 Support the DMA engine for Hisilicon K3 platform 356 devices. 357 358config LPC18XX_DMAMUX 359 bool "NXP LPC18xx/43xx DMA MUX for PL080" 360 depends on ARCH_LPC18XX || COMPILE_TEST 361 depends on OF && AMBA_PL08X 362 select MFD_SYSCON 363 help 364 Enable support for DMA on NXP LPC18xx/43xx platforms 365 with PL080 and multiplexed DMA request lines. 366 367config MCF_EDMA 368 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 369 depends on M5441x || COMPILE_TEST 370 select DMA_ENGINE 371 select DMA_VIRTUAL_CHANNELS 372 help 373 Support the Freescale ColdFire eDMA engine, 64-channel 374 implementation that performs complex data transfers with 375 minimal intervention from a host processor. 376 This module can be found on Freescale ColdFire mcf5441x SoCs. 377 378config MILBEAUT_HDMAC 379 tristate "Milbeaut AHB DMA support" 380 depends on ARCH_MILBEAUT || COMPILE_TEST 381 depends on OF 382 select DMA_ENGINE 383 select DMA_VIRTUAL_CHANNELS 384 help 385 Say yes here to support the Socionext Milbeaut 386 HDMAC device. 387 388config MILBEAUT_XDMAC 389 tristate "Milbeaut AXI DMA support" 390 depends on ARCH_MILBEAUT || COMPILE_TEST 391 depends on OF 392 select DMA_ENGINE 393 select DMA_VIRTUAL_CHANNELS 394 help 395 Say yes here to support the Socionext Milbeaut 396 XDMAC device. 397 398config MMP_PDMA 399 bool "MMP PDMA support" 400 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 401 select DMA_ENGINE 402 help 403 Support the MMP PDMA engine for PXA and MMP platform. 404 405config MMP_TDMA 406 bool "MMP Two-Channel DMA support" 407 depends on ARCH_MMP || COMPILE_TEST 408 select DMA_ENGINE 409 select GENERIC_ALLOCATOR 410 help 411 Support the MMP Two-Channel DMA engine. 412 This engine used for MMP Audio DMA and pxa910 SQU. 413 414config MOXART_DMA 415 tristate "MOXART DMA support" 416 depends on ARCH_MOXART 417 select DMA_ENGINE 418 select DMA_VIRTUAL_CHANNELS 419 help 420 Enable support for the MOXA ART SoC DMA controller. 421 422 Say Y here if you enabled MMP ADMA, otherwise say N. 423 424config MPC512X_DMA 425 tristate "Freescale MPC512x built-in DMA engine support" 426 depends on PPC_MPC512x || PPC_MPC831x 427 select DMA_ENGINE 428 help 429 Enable support for the Freescale MPC512x built-in DMA engine. 430 431config MV_XOR 432 bool "Marvell XOR engine support" 433 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 434 select DMA_ENGINE 435 select DMA_ENGINE_RAID 436 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 437 help 438 Enable support for the Marvell XOR engine. 439 440config MV_XOR_V2 441 bool "Marvell XOR engine version 2 support " 442 depends on ARM64 443 select DMA_ENGINE 444 select DMA_ENGINE_RAID 445 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 446 select GENERIC_MSI_IRQ_DOMAIN 447 help 448 Enable support for the Marvell version 2 XOR engine. 449 450 This engine provides acceleration for copy, XOR and RAID6 451 operations, and is available on Marvell Armada 7K and 8K 452 platforms. 453 454config MXS_DMA 455 bool "MXS DMA support" 456 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 457 select STMP_DEVICE 458 select DMA_ENGINE 459 help 460 Support the MXS DMA engine. This engine including APBH-DMA 461 and APBX-DMA is integrated into some Freescale chips. 462 463config MX3_IPU 464 bool "MX3x Image Processing Unit support" 465 depends on ARCH_MXC 466 select DMA_ENGINE 467 default y 468 help 469 If you plan to use the Image Processing unit in the i.MX3x, say 470 Y here. If unsure, select Y. 471 472config MX3_IPU_IRQS 473 int "Number of dynamically mapped interrupts for IPU" 474 depends on MX3_IPU 475 range 2 137 476 default 4 477 help 478 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 479 To avoid bloating the irq_desc[] array we allocate a sufficient 480 number of IRQ slots and map them dynamically to specific sources. 481 482config NBPFAXI_DMA 483 tristate "Renesas Type-AXI NBPF DMA support" 484 select DMA_ENGINE 485 depends on ARM || COMPILE_TEST 486 help 487 Support for "Type-AXI" NBPF DMA IPs from Renesas 488 489config OWL_DMA 490 tristate "Actions Semi Owl SoCs DMA support" 491 depends on ARCH_ACTIONS 492 select DMA_ENGINE 493 select DMA_VIRTUAL_CHANNELS 494 help 495 Enable support for the Actions Semi Owl SoCs DMA controller. 496 497config PCH_DMA 498 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 499 depends on PCI && (X86_32 || COMPILE_TEST) 500 select DMA_ENGINE 501 help 502 Enable support for Intel EG20T PCH DMA engine. 503 504 This driver also can be used for LAPIS Semiconductor IOH(Input/ 505 Output Hub), ML7213, ML7223 and ML7831. 506 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 507 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 508 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 509 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 510 511config PL330_DMA 512 tristate "DMA API Driver for PL330" 513 select DMA_ENGINE 514 depends on ARM_AMBA 515 help 516 Select if your platform has one or more PL330 DMACs. 517 You need to provide platform specific settings via 518 platform_data for a dma-pl330 device. 519 520config PXA_DMA 521 bool "PXA DMA support" 522 depends on (ARCH_MMP || ARCH_PXA) 523 select DMA_ENGINE 524 select DMA_VIRTUAL_CHANNELS 525 help 526 Support the DMA engine for PXA. It is also compatible with MMP PDMA 527 platform. The internal DMA IP of all PXA variants is supported, with 528 16 to 32 channels for peripheral to memory or memory to memory 529 transfers. 530 531config PLX_DMA 532 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 533 depends on PCI 534 select DMA_ENGINE 535 help 536 Some PLX ExpressLane PCI Switches support additional DMA engines. 537 These are exposed via extra functions on the switch's 538 upstream port. Each function exposes one DMA channel. 539 540config SIRF_DMA 541 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 542 depends on ARCH_SIRF 543 select DMA_ENGINE 544 help 545 Enable support for the CSR SiRFprimaII DMA engine. 546 547config STE_DMA40 548 bool "ST-Ericsson DMA40 support" 549 depends on ARCH_U8500 550 select DMA_ENGINE 551 help 552 Support for ST-Ericsson DMA40 controller 553 554config ST_FDMA 555 tristate "ST FDMA dmaengine support" 556 depends on ARCH_STI 557 depends on REMOTEPROC 558 select ST_SLIM_REMOTEPROC 559 select DMA_ENGINE 560 select DMA_VIRTUAL_CHANNELS 561 help 562 Enable support for ST FDMA controller. 563 It supports 16 independent DMA channels, accepts up to 32 DMA requests 564 565 Say Y here if you have such a chipset. 566 If unsure, say N. 567 568config STM32_DMA 569 bool "STMicroelectronics STM32 DMA support" 570 depends on ARCH_STM32 || COMPILE_TEST 571 select DMA_ENGINE 572 select DMA_VIRTUAL_CHANNELS 573 help 574 Enable support for the on-chip DMA controller on STMicroelectronics 575 STM32 MCUs. 576 If you have a board based on such a MCU and wish to use DMA say Y 577 here. 578 579config STM32_DMAMUX 580 bool "STMicroelectronics STM32 dma multiplexer support" 581 depends on STM32_DMA || COMPILE_TEST 582 help 583 Enable support for the on-chip DMA multiplexer on STMicroelectronics 584 STM32 MCUs. 585 If you have a board based on such a MCU and wish to use DMAMUX say Y 586 here. 587 588config STM32_MDMA 589 bool "STMicroelectronics STM32 master dma support" 590 depends on ARCH_STM32 || COMPILE_TEST 591 depends on OF 592 select DMA_ENGINE 593 select DMA_VIRTUAL_CHANNELS 594 help 595 Enable support for the on-chip MDMA controller on STMicroelectronics 596 STM32 platforms. 597 If you have a board based on STM32 SoC and wish to use the master DMA 598 say Y here. 599 600config SPRD_DMA 601 tristate "Spreadtrum DMA support" 602 depends on ARCH_SPRD || COMPILE_TEST 603 select DMA_ENGINE 604 select DMA_VIRTUAL_CHANNELS 605 help 606 Enable support for the on-chip DMA controller on Spreadtrum platform. 607 608config S3C24XX_DMAC 609 bool "Samsung S3C24XX DMA support" 610 depends on ARCH_S3C24XX || COMPILE_TEST 611 select DMA_ENGINE 612 select DMA_VIRTUAL_CHANNELS 613 help 614 Support for the Samsung S3C24XX DMA controller driver. The 615 DMA controller is having multiple DMA channels which can be 616 configured for different peripherals like audio, UART, SPI. 617 The DMA controller can transfer data from memory to peripheral, 618 periphal to memory, periphal to periphal and memory to memory. 619 620config TXX9_DMAC 621 tristate "Toshiba TXx9 SoC DMA support" 622 depends on MACH_TX49XX || MACH_TX39XX 623 select DMA_ENGINE 624 help 625 Support the TXx9 SoC internal DMA controller. This can be 626 integrated in chips such as the Toshiba TX4927/38/39. 627 628config TEGRA20_APB_DMA 629 tristate "NVIDIA Tegra20 APB DMA support" 630 depends on ARCH_TEGRA || COMPILE_TEST 631 select DMA_ENGINE 632 help 633 Support for the NVIDIA Tegra20 APB DMA controller driver. The 634 DMA controller is having multiple DMA channel which can be 635 configured for different peripherals like audio, UART, SPI, 636 I2C etc which is in APB bus. 637 This DMA controller transfers data from memory to peripheral fifo 638 or vice versa. It does not support memory to memory data transfer. 639 640config TEGRA210_ADMA 641 tristate "NVIDIA Tegra210 ADMA support" 642 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 643 select DMA_ENGINE 644 select DMA_VIRTUAL_CHANNELS 645 help 646 Support for the NVIDIA Tegra210 ADMA controller driver. The 647 DMA controller has multiple DMA channels and is used to service 648 various audio clients in the Tegra210 audio processing engine 649 (APE). This DMA controller transfers data from memory to 650 peripheral and vice versa. It does not support memory to 651 memory data transfer. 652 653config TIMB_DMA 654 tristate "Timberdale FPGA DMA support" 655 depends on MFD_TIMBERDALE || COMPILE_TEST 656 select DMA_ENGINE 657 help 658 Enable support for the Timberdale FPGA DMA engine. 659 660config UNIPHIER_MDMAC 661 tristate "UniPhier MIO DMAC" 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 MIO DMAC (Media I/O DMA controller) on the 668 UniPhier platform. This DMA controller is used as the external 669 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 670 671config UNIPHIER_XDMAC 672 tristate "UniPhier XDMAC support" 673 depends on ARCH_UNIPHIER || COMPILE_TEST 674 depends on OF 675 select DMA_ENGINE 676 select DMA_VIRTUAL_CHANNELS 677 help 678 Enable support for the XDMAC (external DMA controller) on the 679 UniPhier platform. This DMA controller can transfer data from 680 memory to memory, memory to peripheral and peripheral to memory. 681 682config XGENE_DMA 683 tristate "APM X-Gene DMA support" 684 depends on ARCH_XGENE || COMPILE_TEST 685 select DMA_ENGINE 686 select DMA_ENGINE_RAID 687 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 688 help 689 Enable support for the APM X-Gene SoC DMA engine. 690 691config XILINX_DMA 692 tristate "Xilinx AXI DMAS Engine" 693 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 694 select DMA_ENGINE 695 help 696 Enable support for Xilinx AXI VDMA Soft IP. 697 698 AXI VDMA engine provides high-bandwidth direct memory access 699 between memory and AXI4-Stream video type target 700 peripherals including peripherals which support AXI4- 701 Stream Video Protocol. It has two stream interfaces/ 702 channels, Memory Mapped to Stream (MM2S) and Stream to 703 Memory Mapped (S2MM) for the data transfers. 704 AXI CDMA engine provides high-bandwidth direct memory access 705 between a memory-mapped source address and a memory-mapped 706 destination address. 707 AXI DMA engine provides high-bandwidth one dimensional direct 708 memory access between memory and AXI4-Stream target peripherals. 709 AXI MCDMA engine provides high-bandwidth direct memory access 710 between memory and AXI4-Stream target peripherals. It provides 711 the scatter gather interface with multiple channels independent 712 configuration support. 713 714config XILINX_ZYNQMP_DMA 715 tristate "Xilinx ZynqMP DMA Engine" 716 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 717 select DMA_ENGINE 718 help 719 Enable support for Xilinx ZynqMP DMA controller. 720 721config XILINX_ZYNQMP_DPDMA 722 tristate "Xilinx DPDMA Engine" 723 select DMA_ENGINE 724 select DMA_VIRTUAL_CHANNELS 725 help 726 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 727 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 728 driver provides the dmaengine required by the DisplayPort subsystem 729 display driver. 730 731config ZX_DMA 732 tristate "ZTE ZX DMA support" 733 depends on ARCH_ZX || COMPILE_TEST 734 select DMA_ENGINE 735 select DMA_VIRTUAL_CHANNELS 736 help 737 Support the DMA engine for ZTE ZX family platform devices. 738 739 740# driver files 741source "drivers/dma/bestcomm/Kconfig" 742 743source "drivers/dma/mediatek/Kconfig" 744 745source "drivers/dma/qcom/Kconfig" 746 747source "drivers/dma/dw/Kconfig" 748 749source "drivers/dma/dw-edma/Kconfig" 750 751source "drivers/dma/hsu/Kconfig" 752 753source "drivers/dma/sf-pdma/Kconfig" 754 755source "drivers/dma/sh/Kconfig" 756 757source "drivers/dma/ti/Kconfig" 758 759source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 760 761# clients 762comment "DMA Clients" 763 depends on DMA_ENGINE 764 765config ASYNC_TX_DMA 766 bool "Async_tx: Offload support for the async_tx api" 767 depends on DMA_ENGINE 768 help 769 This allows the async_tx api to take advantage of offload engines for 770 memcpy, memset, xor, and raid6 p+q operations. If your platform has 771 a dma engine that can perform raid operations and you have enabled 772 MD_RAID456 say Y. 773 774 If unsure, say N. 775 776config DMATEST 777 tristate "DMA Test client" 778 depends on DMA_ENGINE 779 select DMA_ENGINE_RAID 780 help 781 Simple DMA test client. Say N unless you're debugging a 782 DMA Device driver. 783 784config DMA_ENGINE_RAID 785 bool 786 787endif 788