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