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 Device's 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 IMG_MDC_DMA 243 tristate "IMG MDC support" 244 depends on MIPS || COMPILE_TEST 245 depends on MFD_SYSCON 246 select DMA_ENGINE 247 select DMA_VIRTUAL_CHANNELS 248 help 249 Enable support for the IMG multi-threaded DMA controller (MDC). 250 251config IMX_DMA 252 tristate "i.MX DMA support" 253 depends on ARCH_MXC 254 select DMA_ENGINE 255 help 256 Support the i.MX DMA engine. This engine is integrated into 257 Freescale i.MX1/21/27 chips. 258 259config IMX_SDMA 260 tristate "i.MX SDMA support" 261 depends on ARCH_MXC 262 select DMA_ENGINE 263 select DMA_VIRTUAL_CHANNELS 264 help 265 Support the i.MX SDMA engine. This engine is integrated into 266 Freescale i.MX25/31/35/51/53/6 chips. 267 268config INTEL_IDMA64 269 tristate "Intel integrated DMA 64-bit support" 270 select DMA_ENGINE 271 select DMA_VIRTUAL_CHANNELS 272 help 273 Enable DMA support for Intel Low Power Subsystem such as found on 274 Intel Skylake PCH. 275 276config INTEL_IOATDMA 277 tristate "Intel I/OAT DMA support" 278 depends on PCI && X86_64 279 select DMA_ENGINE 280 select DMA_ENGINE_RAID 281 select DCA 282 help 283 Enable support for the Intel(R) I/OAT DMA engine present 284 in recent Intel Xeon chipsets. 285 286 Say Y here if you have such a chipset. 287 288 If unsure, say N. 289 290config INTEL_IOP_ADMA 291 tristate "Intel IOP32x ADMA support" 292 depends on ARCH_IOP32X || COMPILE_TEST 293 select DMA_ENGINE 294 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 295 help 296 Enable support for the Intel(R) IOP Series RAID engines. 297 298config INTEL_MIC_X100_DMA 299 tristate "Intel MIC X100 DMA Driver" 300 depends on 64BIT && X86 && INTEL_MIC_BUS 301 select DMA_ENGINE 302 help 303 This enables DMA support for the Intel Many Integrated Core 304 (MIC) family of PCIe form factor coprocessor X100 devices that 305 run a 64 bit Linux OS. This driver will be used by both MIC 306 host and card drivers. 307 308 If you are building host kernel with a MIC device or a card 309 kernel for a MIC device, then say M (recommended) or Y, else 310 say N. If unsure say N. 311 312 More information about the Intel MIC family as well as the Linux 313 OS and tools for MIC to use with this driver are available from 314 <http://software.intel.com/en-us/mic-developer>. 315 316config K3_DMA 317 tristate "Hisilicon K3 DMA support" 318 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 319 select DMA_ENGINE 320 select DMA_VIRTUAL_CHANNELS 321 help 322 Support the DMA engine for Hisilicon K3 platform 323 devices. 324 325config LPC18XX_DMAMUX 326 bool "NXP LPC18xx/43xx DMA MUX for PL080" 327 depends on ARCH_LPC18XX || COMPILE_TEST 328 depends on OF && AMBA_PL08X 329 select MFD_SYSCON 330 help 331 Enable support for DMA on NXP LPC18xx/43xx platforms 332 with PL080 and multiplexed DMA request lines. 333 334config MCF_EDMA 335 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 336 depends on M5441x || COMPILE_TEST 337 select DMA_ENGINE 338 select DMA_VIRTUAL_CHANNELS 339 help 340 Support the Freescale ColdFire eDMA engine, 64-channel 341 implementation that performs complex data transfers with 342 minimal intervention from a host processor. 343 This module can be found on Freescale ColdFire mcf5441x SoCs. 344 345config MILBEAUT_HDMAC 346 tristate "Milbeaut AHB DMA support" 347 depends on ARCH_MILBEAUT || COMPILE_TEST 348 depends on OF 349 select DMA_ENGINE 350 select DMA_VIRTUAL_CHANNELS 351 help 352 Say yes here to support the Socionext Milbeaut 353 HDMAC device. 354 355config MILBEAUT_XDMAC 356 tristate "Milbeaut AXI DMA support" 357 depends on ARCH_MILBEAUT || COMPILE_TEST 358 depends on OF 359 select DMA_ENGINE 360 select DMA_VIRTUAL_CHANNELS 361 help 362 Say yes here to support the Socionext Milbeaut 363 XDMAC device. 364 365config MMP_PDMA 366 bool "MMP PDMA support" 367 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 368 select DMA_ENGINE 369 help 370 Support the MMP PDMA engine for PXA and MMP platform. 371 372config MMP_TDMA 373 bool "MMP Two-Channel DMA support" 374 depends on ARCH_MMP || COMPILE_TEST 375 select DMA_ENGINE 376 select MMP_SRAM if ARCH_MMP 377 select GENERIC_ALLOCATOR 378 help 379 Support the MMP Two-Channel DMA engine. 380 This engine used for MMP Audio DMA and pxa910 SQU. 381 It needs sram driver under mach-mmp. 382 383config MOXART_DMA 384 tristate "MOXART DMA support" 385 depends on ARCH_MOXART 386 select DMA_ENGINE 387 select DMA_VIRTUAL_CHANNELS 388 help 389 Enable support for the MOXA ART SoC DMA controller. 390 391 Say Y here if you enabled MMP ADMA, otherwise say N. 392 393config MPC512X_DMA 394 tristate "Freescale MPC512x built-in DMA engine support" 395 depends on PPC_MPC512x || PPC_MPC831x 396 select DMA_ENGINE 397 ---help--- 398 Enable support for the Freescale MPC512x built-in DMA engine. 399 400config MV_XOR 401 bool "Marvell XOR engine support" 402 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 403 select DMA_ENGINE 404 select DMA_ENGINE_RAID 405 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 406 ---help--- 407 Enable support for the Marvell XOR engine. 408 409config MV_XOR_V2 410 bool "Marvell XOR engine version 2 support " 411 depends on ARM64 412 select DMA_ENGINE 413 select DMA_ENGINE_RAID 414 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 415 select GENERIC_MSI_IRQ_DOMAIN 416 ---help--- 417 Enable support for the Marvell version 2 XOR engine. 418 419 This engine provides acceleration for copy, XOR and RAID6 420 operations, and is available on Marvell Armada 7K and 8K 421 platforms. 422 423config MXS_DMA 424 bool "MXS DMA support" 425 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 426 select STMP_DEVICE 427 select DMA_ENGINE 428 help 429 Support the MXS DMA engine. This engine including APBH-DMA 430 and APBX-DMA is integrated into some Freescale chips. 431 432config MX3_IPU 433 bool "MX3x Image Processing Unit support" 434 depends on ARCH_MXC 435 select DMA_ENGINE 436 default y 437 help 438 If you plan to use the Image Processing unit in the i.MX3x, say 439 Y here. If unsure, select Y. 440 441config MX3_IPU_IRQS 442 int "Number of dynamically mapped interrupts for IPU" 443 depends on MX3_IPU 444 range 2 137 445 default 4 446 help 447 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 448 To avoid bloating the irq_desc[] array we allocate a sufficient 449 number of IRQ slots and map them dynamically to specific sources. 450 451config NBPFAXI_DMA 452 tristate "Renesas Type-AXI NBPF DMA support" 453 select DMA_ENGINE 454 depends on ARM || COMPILE_TEST 455 help 456 Support for "Type-AXI" NBPF DMA IPs from Renesas 457 458config OWL_DMA 459 tristate "Actions Semi Owl SoCs DMA support" 460 depends on ARCH_ACTIONS 461 select DMA_ENGINE 462 select DMA_VIRTUAL_CHANNELS 463 help 464 Enable support for the Actions Semi Owl SoCs DMA controller. 465 466config PCH_DMA 467 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 468 depends on PCI && (X86_32 || COMPILE_TEST) 469 select DMA_ENGINE 470 help 471 Enable support for Intel EG20T PCH DMA engine. 472 473 This driver also can be used for LAPIS Semiconductor IOH(Input/ 474 Output Hub), ML7213, ML7223 and ML7831. 475 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 476 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 477 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 478 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 479 480config PL330_DMA 481 tristate "DMA API Driver for PL330" 482 select DMA_ENGINE 483 depends on ARM_AMBA 484 help 485 Select if your platform has one or more PL330 DMACs. 486 You need to provide platform specific settings via 487 platform_data for a dma-pl330 device. 488 489config PXA_DMA 490 bool "PXA DMA support" 491 depends on (ARCH_MMP || ARCH_PXA) 492 select DMA_ENGINE 493 select DMA_VIRTUAL_CHANNELS 494 help 495 Support the DMA engine for PXA. It is also compatible with MMP PDMA 496 platform. The internal DMA IP of all PXA variants is supported, with 497 16 to 32 channels for peripheral to memory or memory to memory 498 transfers. 499 500config SIRF_DMA 501 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 502 depends on ARCH_SIRF 503 select DMA_ENGINE 504 help 505 Enable support for the CSR SiRFprimaII DMA engine. 506 507config STE_DMA40 508 bool "ST-Ericsson DMA40 support" 509 depends on ARCH_U8500 510 select DMA_ENGINE 511 help 512 Support for ST-Ericsson DMA40 controller 513 514config ST_FDMA 515 tristate "ST FDMA dmaengine support" 516 depends on ARCH_STI 517 depends on REMOTEPROC 518 select ST_SLIM_REMOTEPROC 519 select DMA_ENGINE 520 select DMA_VIRTUAL_CHANNELS 521 help 522 Enable support for ST FDMA controller. 523 It supports 16 independent DMA channels, accepts up to 32 DMA requests 524 525 Say Y here if you have such a chipset. 526 If unsure, say N. 527 528config STM32_DMA 529 bool "STMicroelectronics STM32 DMA support" 530 depends on ARCH_STM32 || COMPILE_TEST 531 select DMA_ENGINE 532 select DMA_VIRTUAL_CHANNELS 533 help 534 Enable support for the on-chip DMA controller on STMicroelectronics 535 STM32 MCUs. 536 If you have a board based on such a MCU and wish to use DMA say Y 537 here. 538 539config STM32_DMAMUX 540 bool "STMicroelectronics STM32 dma multiplexer support" 541 depends on STM32_DMA || COMPILE_TEST 542 help 543 Enable support for the on-chip DMA multiplexer on STMicroelectronics 544 STM32 MCUs. 545 If you have a board based on such a MCU and wish to use DMAMUX say Y 546 here. 547 548config STM32_MDMA 549 bool "STMicroelectronics STM32 master dma support" 550 depends on ARCH_STM32 || COMPILE_TEST 551 depends on OF 552 select DMA_ENGINE 553 select DMA_VIRTUAL_CHANNELS 554 help 555 Enable support for the on-chip MDMA controller on STMicroelectronics 556 STM32 platforms. 557 If you have a board based on STM32 SoC and wish to use the master DMA 558 say Y here. 559 560config SPRD_DMA 561 tristate "Spreadtrum DMA support" 562 depends on ARCH_SPRD || COMPILE_TEST 563 select DMA_ENGINE 564 select DMA_VIRTUAL_CHANNELS 565 help 566 Enable support for the on-chip DMA controller on Spreadtrum platform. 567 568config S3C24XX_DMAC 569 bool "Samsung S3C24XX DMA support" 570 depends on ARCH_S3C24XX || COMPILE_TEST 571 select DMA_ENGINE 572 select DMA_VIRTUAL_CHANNELS 573 help 574 Support for the Samsung S3C24XX DMA controller driver. The 575 DMA controller is having multiple DMA channels which can be 576 configured for different peripherals like audio, UART, SPI. 577 The DMA controller can transfer data from memory to peripheral, 578 periphal to memory, periphal to periphal and memory to memory. 579 580config TXX9_DMAC 581 tristate "Toshiba TXx9 SoC DMA support" 582 depends on MACH_TX49XX || MACH_TX39XX 583 select DMA_ENGINE 584 help 585 Support the TXx9 SoC internal DMA controller. This can be 586 integrated in chips such as the Toshiba TX4927/38/39. 587 588config TEGRA20_APB_DMA 589 bool "NVIDIA Tegra20 APB DMA support" 590 depends on ARCH_TEGRA 591 select DMA_ENGINE 592 help 593 Support for the NVIDIA Tegra20 APB DMA controller driver. The 594 DMA controller is having multiple DMA channel which can be 595 configured for different peripherals like audio, UART, SPI, 596 I2C etc which is in APB bus. 597 This DMA controller transfers data from memory to peripheral fifo 598 or vice versa. It does not support memory to memory data transfer. 599 600config TEGRA210_ADMA 601 tristate "NVIDIA Tegra210 ADMA support" 602 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 603 select DMA_ENGINE 604 select DMA_VIRTUAL_CHANNELS 605 help 606 Support for the NVIDIA Tegra210 ADMA controller driver. The 607 DMA controller has multiple DMA channels and is used to service 608 various audio clients in the Tegra210 audio processing engine 609 (APE). This DMA controller transfers data from memory to 610 peripheral and vice versa. It does not support memory to 611 memory data transfer. 612 613config TIMB_DMA 614 tristate "Timberdale FPGA DMA support" 615 depends on MFD_TIMBERDALE || COMPILE_TEST 616 select DMA_ENGINE 617 help 618 Enable support for the Timberdale FPGA DMA engine. 619 620config UNIPHIER_MDMAC 621 tristate "UniPhier MIO DMAC" 622 depends on ARCH_UNIPHIER || COMPILE_TEST 623 depends on OF 624 select DMA_ENGINE 625 select DMA_VIRTUAL_CHANNELS 626 help 627 Enable support for the MIO DMAC (Media I/O DMA controller) on the 628 UniPhier platform. This DMA controller is used as the external 629 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 630 631config XGENE_DMA 632 tristate "APM X-Gene DMA support" 633 depends on ARCH_XGENE || COMPILE_TEST 634 select DMA_ENGINE 635 select DMA_ENGINE_RAID 636 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 637 help 638 Enable support for the APM X-Gene SoC DMA engine. 639 640config XILINX_DMA 641 tristate "Xilinx AXI DMAS Engine" 642 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 643 select DMA_ENGINE 644 help 645 Enable support for Xilinx AXI VDMA Soft IP. 646 647 AXI VDMA engine provides high-bandwidth direct memory access 648 between memory and AXI4-Stream video type target 649 peripherals including peripherals which support AXI4- 650 Stream Video Protocol. It has two stream interfaces/ 651 channels, Memory Mapped to Stream (MM2S) and Stream to 652 Memory Mapped (S2MM) for the data transfers. 653 AXI CDMA engine provides high-bandwidth direct memory access 654 between a memory-mapped source address and a memory-mapped 655 destination address. 656 AXI DMA engine provides high-bandwidth one dimensional direct 657 memory access between memory and AXI4-Stream target peripherals. 658 AXI MCDMA engine provides high-bandwidth direct memory access 659 between memory and AXI4-Stream target peripherals. It provides 660 the scatter gather interface with multiple channels independent 661 configuration support. 662 663config XILINX_ZYNQMP_DMA 664 tristate "Xilinx ZynqMP DMA Engine" 665 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 666 select DMA_ENGINE 667 help 668 Enable support for Xilinx ZynqMP DMA controller. 669 670config ZX_DMA 671 tristate "ZTE ZX DMA support" 672 depends on ARCH_ZX || COMPILE_TEST 673 select DMA_ENGINE 674 select DMA_VIRTUAL_CHANNELS 675 help 676 Support the DMA engine for ZTE ZX family platform devices. 677 678 679# driver files 680source "drivers/dma/bestcomm/Kconfig" 681 682source "drivers/dma/mediatek/Kconfig" 683 684source "drivers/dma/qcom/Kconfig" 685 686source "drivers/dma/dw/Kconfig" 687 688source "drivers/dma/dw-edma/Kconfig" 689 690source "drivers/dma/hsu/Kconfig" 691 692source "drivers/dma/sf-pdma/Kconfig" 693 694source "drivers/dma/sh/Kconfig" 695 696source "drivers/dma/ti/Kconfig" 697 698source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 699 700# clients 701comment "DMA Clients" 702 depends on DMA_ENGINE 703 704config ASYNC_TX_DMA 705 bool "Async_tx: Offload support for the async_tx api" 706 depends on DMA_ENGINE 707 help 708 This allows the async_tx api to take advantage of offload engines for 709 memcpy, memset, xor, and raid6 p+q operations. If your platform has 710 a dma engine that can perform raid operations and you have enabled 711 MD_RAID456 say Y. 712 713 If unsure, say N. 714 715config DMATEST 716 tristate "DMA Test client" 717 depends on DMA_ENGINE 718 select DMA_ENGINE_RAID 719 help 720 Simple DMA test client. Say N unless you're debugging a 721 DMA Device driver. 722 723config DMA_ENGINE_RAID 724 bool 725 726endif 727