1 # SPDX-License-Identifier: GPL-2.0-only 2 # 3 # DMA engine configuration 4 # 5 6 menuconfig 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 17 config 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 24 config 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 33 if DMADEVICES 34 35 comment "DMA Devices" 36 37 #core 38 config ASYNC_TX_ENABLE_CHANNEL_SWITCH 39 bool 40 41 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 42 bool 43 44 config DMA_ENGINE 45 bool 46 47 config DMA_VIRTUAL_CHANNELS 48 tristate 49 50 config DMA_ACPI 51 def_bool y 52 depends on ACPI 53 54 config DMA_OF 55 def_bool y 56 depends on OF 57 select DMA_ENGINE 58 59 #devices 60 config 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 67 config 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 78 config 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 88 config 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 95 config AT_XDMAC 96 tristate "Atmel XDMA support" 97 depends on ARCH_AT91 98 select DMA_ENGINE 99 help 100 Support the Atmel XDMA controller. 101 102 config 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. 112 113 config 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. 127 128 config DMA_BCM2835 129 tristate "BCM2835 DMA engine support" 130 depends on ARCH_BCM2835 131 select DMA_ENGINE 132 select DMA_VIRTUAL_CHANNELS 133 134 config 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. 143 144 config 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. 153 154 config 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. 163 164 config 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. 172 173 config 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. 183 184 config 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. 190 191 config 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. 201 202 config 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. 211 212 config 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. 225 226 config 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. 236 237 config 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. 245 246 config 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). 254 255 config 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. 262 263 config 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. 271 272 config 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. 279 280 config INTEL_IDXD_BUS 281 tristate 282 default INTEL_IDXD 283 284 config INTEL_IDXD 285 tristate "Intel Data Accelerators support" 286 depends on PCI && X86_64 && !UML 287 depends on PCI_MSI 288 depends on PCI_PASID 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 INTEL_IDXD_COMPAT 300 bool "Legacy behavior for idxd driver" 301 depends on PCI && X86_64 302 select INTEL_IDXD_BUS 303 help 304 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior. 305 The old behavior performed driver bind/unbind for device and wq 306 devices all under the dsa driver. The compat driver will emulate 307 the legacy behavior in order to allow existing support apps (i.e. 308 accel-config) to continue function. It is expected that accel-config 309 v3.2 and earlier will need the compat mode. A distro with later 310 accel-config version can disable this compat config. 311 312 Say Y if you have old applications that require such behavior. 313 314 If unsure, say N. 315 316 # Config symbol that collects all the dependencies that's necessary to 317 # support shared virtual memory for the devices supported by idxd. 318 config INTEL_IDXD_SVM 319 bool "Accelerator Shared Virtual Memory Support" 320 depends on INTEL_IDXD 321 depends on INTEL_IOMMU_SVM 322 depends on PCI_PRI 323 depends on PCI_PASID 324 depends on PCI_IOV 325 326 config INTEL_IDXD_PERFMON 327 bool "Intel Data Accelerators performance monitor support" 328 depends on INTEL_IDXD 329 help 330 Enable performance monitor (pmu) support for the Intel(R) 331 data accelerators present in Intel Xeon CPU. With this 332 enabled, perf can be used to monitor the DSA (Intel Data 333 Streaming Accelerator) events described in the Intel DSA 334 spec. 335 336 If unsure, say N. 337 338 config INTEL_IOATDMA 339 tristate "Intel I/OAT DMA support" 340 depends on PCI && X86_64 && !UML 341 select DMA_ENGINE 342 select DMA_ENGINE_RAID 343 select DCA 344 help 345 Enable support for the Intel(R) I/OAT DMA engine present 346 in recent Intel Xeon chipsets. 347 348 Say Y here if you have such a chipset. 349 350 If unsure, say N. 351 352 config INTEL_IOP_ADMA 353 tristate "Intel IOP32x ADMA support" 354 depends on ARCH_IOP32X || COMPILE_TEST 355 select DMA_ENGINE 356 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 357 help 358 Enable support for the Intel(R) IOP Series RAID engines. 359 360 config K3_DMA 361 tristate "Hisilicon K3 DMA support" 362 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 363 select DMA_ENGINE 364 select DMA_VIRTUAL_CHANNELS 365 help 366 Support the DMA engine for Hisilicon K3 platform 367 devices. 368 369 config LPC18XX_DMAMUX 370 bool "NXP LPC18xx/43xx DMA MUX for PL080" 371 depends on ARCH_LPC18XX || COMPILE_TEST 372 depends on OF && AMBA_PL08X 373 select MFD_SYSCON 374 help 375 Enable support for DMA on NXP LPC18xx/43xx platforms 376 with PL080 and multiplexed DMA request lines. 377 378 config MCF_EDMA 379 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 380 depends on M5441x || COMPILE_TEST 381 select DMA_ENGINE 382 select DMA_VIRTUAL_CHANNELS 383 help 384 Support the Freescale ColdFire eDMA engine, 64-channel 385 implementation that performs complex data transfers with 386 minimal intervention from a host processor. 387 This module can be found on Freescale ColdFire mcf5441x SoCs. 388 389 config MILBEAUT_HDMAC 390 tristate "Milbeaut AHB DMA support" 391 depends on ARCH_MILBEAUT || COMPILE_TEST 392 depends on OF 393 select DMA_ENGINE 394 select DMA_VIRTUAL_CHANNELS 395 help 396 Say yes here to support the Socionext Milbeaut 397 HDMAC device. 398 399 config MILBEAUT_XDMAC 400 tristate "Milbeaut AXI DMA support" 401 depends on ARCH_MILBEAUT || COMPILE_TEST 402 depends on OF 403 select DMA_ENGINE 404 select DMA_VIRTUAL_CHANNELS 405 help 406 Say yes here to support the Socionext Milbeaut 407 XDMAC device. 408 409 config MMP_PDMA 410 tristate "MMP PDMA support" 411 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 412 select DMA_ENGINE 413 help 414 Support the MMP PDMA engine for PXA and MMP platform. 415 416 config MMP_TDMA 417 tristate "MMP Two-Channel DMA support" 418 depends on ARCH_MMP || COMPILE_TEST 419 select DMA_ENGINE 420 select GENERIC_ALLOCATOR 421 help 422 Support the MMP Two-Channel DMA engine. 423 This engine used for MMP Audio DMA and pxa910 SQU. 424 425 config MOXART_DMA 426 tristate "MOXART DMA support" 427 depends on ARCH_MOXART 428 select DMA_ENGINE 429 select DMA_VIRTUAL_CHANNELS 430 help 431 Enable support for the MOXA ART SoC DMA controller. 432 433 Say Y here if you enabled MMP ADMA, otherwise say N. 434 435 config MPC512X_DMA 436 tristate "Freescale MPC512x built-in DMA engine support" 437 depends on PPC_MPC512x || PPC_MPC831x 438 select DMA_ENGINE 439 help 440 Enable support for the Freescale MPC512x built-in DMA engine. 441 442 config MV_XOR 443 bool "Marvell XOR engine support" 444 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 445 select DMA_ENGINE 446 select DMA_ENGINE_RAID 447 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 448 help 449 Enable support for the Marvell XOR engine. 450 451 config MV_XOR_V2 452 bool "Marvell XOR engine version 2 support " 453 depends on ARM64 454 select DMA_ENGINE 455 select DMA_ENGINE_RAID 456 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 457 select GENERIC_MSI_IRQ_DOMAIN 458 help 459 Enable support for the Marvell version 2 XOR engine. 460 461 This engine provides acceleration for copy, XOR and RAID6 462 operations, and is available on Marvell Armada 7K and 8K 463 platforms. 464 465 config MXS_DMA 466 bool "MXS DMA support" 467 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 468 select STMP_DEVICE 469 select DMA_ENGINE 470 help 471 Support the MXS DMA engine. This engine including APBH-DMA 472 and APBX-DMA is integrated into some Freescale chips. 473 474 config MX3_IPU 475 bool "MX3x Image Processing Unit support" 476 depends on ARCH_MXC 477 select DMA_ENGINE 478 default y 479 help 480 If you plan to use the Image Processing unit in the i.MX3x, say 481 Y here. If unsure, select Y. 482 483 config MX3_IPU_IRQS 484 int "Number of dynamically mapped interrupts for IPU" 485 depends on MX3_IPU 486 range 2 137 487 default 4 488 help 489 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 490 To avoid bloating the irq_desc[] array we allocate a sufficient 491 number of IRQ slots and map them dynamically to specific sources. 492 493 config NBPFAXI_DMA 494 tristate "Renesas Type-AXI NBPF DMA support" 495 select DMA_ENGINE 496 depends on ARM || COMPILE_TEST 497 help 498 Support for "Type-AXI" NBPF DMA IPs from Renesas 499 500 config OWL_DMA 501 tristate "Actions Semi Owl SoCs DMA support" 502 depends on ARCH_ACTIONS 503 select DMA_ENGINE 504 select DMA_VIRTUAL_CHANNELS 505 help 506 Enable support for the Actions Semi Owl SoCs DMA controller. 507 508 config PCH_DMA 509 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 510 depends on PCI && (X86_32 || COMPILE_TEST) 511 select DMA_ENGINE 512 help 513 Enable support for Intel EG20T PCH DMA engine. 514 515 This driver also can be used for LAPIS Semiconductor IOH(Input/ 516 Output Hub), ML7213, ML7223 and ML7831. 517 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 518 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 519 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 520 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 521 522 config PL330_DMA 523 tristate "DMA API Driver for PL330" 524 select DMA_ENGINE 525 depends on ARM_AMBA 526 help 527 Select if your platform has one or more PL330 DMACs. 528 You need to provide platform specific settings via 529 platform_data for a dma-pl330 device. 530 531 config PXA_DMA 532 bool "PXA DMA support" 533 depends on (ARCH_MMP || ARCH_PXA) 534 select DMA_ENGINE 535 select DMA_VIRTUAL_CHANNELS 536 help 537 Support the DMA engine for PXA. It is also compatible with MMP PDMA 538 platform. The internal DMA IP of all PXA variants is supported, with 539 16 to 32 channels for peripheral to memory or memory to memory 540 transfers. 541 542 config PLX_DMA 543 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 544 depends on PCI 545 select DMA_ENGINE 546 help 547 Some PLX ExpressLane PCI Switches support additional DMA engines. 548 These are exposed via extra functions on the switch's 549 upstream port. Each function exposes one DMA channel. 550 551 config STE_DMA40 552 bool "ST-Ericsson DMA40 support" 553 depends on ARCH_U8500 554 select DMA_ENGINE 555 help 556 Support for ST-Ericsson DMA40 controller 557 558 config ST_FDMA 559 tristate "ST FDMA dmaengine support" 560 depends on ARCH_STI 561 depends on REMOTEPROC 562 select ST_SLIM_REMOTEPROC 563 select DMA_ENGINE 564 select DMA_VIRTUAL_CHANNELS 565 help 566 Enable support for ST FDMA controller. 567 It supports 16 independent DMA channels, accepts up to 32 DMA requests 568 569 Say Y here if you have such a chipset. 570 If unsure, say N. 571 572 config STM32_DMA 573 bool "STMicroelectronics STM32 DMA support" 574 depends on ARCH_STM32 || COMPILE_TEST 575 select DMA_ENGINE 576 select DMA_VIRTUAL_CHANNELS 577 help 578 Enable support for the on-chip DMA controller on STMicroelectronics 579 STM32 MCUs. 580 If you have a board based on such a MCU and wish to use DMA say Y 581 here. 582 583 config STM32_DMAMUX 584 bool "STMicroelectronics STM32 dma multiplexer support" 585 depends on STM32_DMA || COMPILE_TEST 586 help 587 Enable support for the on-chip DMA multiplexer on STMicroelectronics 588 STM32 MCUs. 589 If you have a board based on such a MCU and wish to use DMAMUX say Y 590 here. 591 592 config STM32_MDMA 593 bool "STMicroelectronics STM32 master dma support" 594 depends on ARCH_STM32 || COMPILE_TEST 595 depends on OF 596 select DMA_ENGINE 597 select DMA_VIRTUAL_CHANNELS 598 help 599 Enable support for the on-chip MDMA controller on STMicroelectronics 600 STM32 platforms. 601 If you have a board based on STM32 SoC and wish to use the master DMA 602 say Y here. 603 604 config SPRD_DMA 605 tristate "Spreadtrum DMA support" 606 depends on ARCH_SPRD || COMPILE_TEST 607 select DMA_ENGINE 608 select DMA_VIRTUAL_CHANNELS 609 help 610 Enable support for the on-chip DMA controller on Spreadtrum platform. 611 612 config S3C24XX_DMAC 613 bool "Samsung S3C24XX DMA support" 614 depends on ARCH_S3C24XX || COMPILE_TEST 615 select DMA_ENGINE 616 select DMA_VIRTUAL_CHANNELS 617 help 618 Support for the Samsung S3C24XX DMA controller driver. The 619 DMA controller is having multiple DMA channels which can be 620 configured for different peripherals like audio, UART, SPI. 621 The DMA controller can transfer data from memory to peripheral, 622 periphal to memory, periphal to periphal and memory to memory. 623 624 config TXX9_DMAC 625 tristate "Toshiba TXx9 SoC DMA support" 626 depends on MACH_TX49XX || MACH_TX39XX 627 select DMA_ENGINE 628 help 629 Support the TXx9 SoC internal DMA controller. This can be 630 integrated in chips such as the Toshiba TX4927/38/39. 631 632 config 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. 643 644 config 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. 656 657 config 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. 663 664 config 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. 674 675 config 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. 685 686 config 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. 694 695 config XILINX_DMA 696 tristate "Xilinx AXI DMAS Engine" 697 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 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. 717 718 config XILINX_ZYNQMP_DMA 719 tristate "Xilinx ZynqMP DMA Engine" 720 depends on ARCH_ZYNQ || MICROBLAZE || ARM64 || COMPILE_TEST 721 select DMA_ENGINE 722 help 723 Enable support for Xilinx ZynqMP DMA controller. 724 725 config XILINX_ZYNQMP_DPDMA 726 tristate "Xilinx DPDMA Engine" 727 depends on HAS_IOMEM && OF 728 select DMA_ENGINE 729 select DMA_VIRTUAL_CHANNELS 730 help 731 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 732 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 733 driver provides the dmaengine required by the DisplayPort subsystem 734 display driver. 735 736 # driver files 737 source "drivers/dma/bestcomm/Kconfig" 738 739 source "drivers/dma/mediatek/Kconfig" 740 741 source "drivers/dma/ptdma/Kconfig" 742 743 source "drivers/dma/qcom/Kconfig" 744 745 source "drivers/dma/dw/Kconfig" 746 747 source "drivers/dma/dw-edma/Kconfig" 748 749 source "drivers/dma/hsu/Kconfig" 750 751 source "drivers/dma/sf-pdma/Kconfig" 752 753 source "drivers/dma/sh/Kconfig" 754 755 source "drivers/dma/ti/Kconfig" 756 757 source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 758 759 source "drivers/dma/lgm/Kconfig" 760 761 # clients 762 comment "DMA Clients" 763 depends on DMA_ENGINE 764 765 config 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. 775 776 config 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. 783 784 config DMA_ENGINE_RAID 785 bool 786 787 endif 788