1# SPDX-License-Identifier: GPL-2.0-only 2# 3# DMA engine configuration 4# 5 6menuconfig DMADEVICES 7 bool "DMA Engine support" 8 depends on HAS_DMA 9 help 10 DMA engines can do asynchronous data transfers without 11 involving the host CPU. Currently, this framework can be 12 used to offload memory copies in the network stack and 13 RAID operations in the MD driver. This menu only presents 14 DMA Device drivers supported by the configured arch, it may 15 be empty in some cases. 16 17config DMADEVICES_DEBUG 18 bool "DMA Engine debugging" 19 depends on DMADEVICES != n 20 help 21 This is an option for use by developers; most people should 22 say N here. This enables DMA engine core and driver debugging. 23 24config DMADEVICES_VDEBUG 25 bool "DMA Engine verbose debugging" 26 depends on DMADEVICES_DEBUG != n 27 help 28 This is an option for use by developers; most people should 29 say N here. This enables deeper (more verbose) debugging of 30 the DMA engine core and drivers. 31 32 33if DMADEVICES 34 35comment "DMA Devices" 36 37#core 38config ASYNC_TX_ENABLE_CHANNEL_SWITCH 39 bool 40 41config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 42 bool 43 44config DMA_ENGINE 45 bool 46 47config DMA_VIRTUAL_CHANNELS 48 tristate 49 50config DMA_ACPI 51 def_bool y 52 depends on ACPI 53 54config DMA_OF 55 def_bool y 56 depends on OF 57 select DMA_ENGINE 58 59#devices 60config ALTERA_MSGDMA 61 tristate "Altera / Intel mSGDMA Engine" 62 depends on HAS_IOMEM 63 select DMA_ENGINE 64 help 65 Enable support for Altera / Intel mSGDMA controller. 66 67config AMBA_PL08X 68 bool "ARM PrimeCell PL080 or PL081 support" 69 depends on ARM_AMBA 70 select DMA_ENGINE 71 select DMA_VIRTUAL_CHANNELS 72 help 73 Say yes if your platform has a PL08x DMAC device which can 74 provide DMA engine support. This includes the original ARM 75 PL080 and PL081, Samsungs PL080 derivative and Faraday 76 Technology's FTDMAC020 PL080 derivative. 77 78config AMCC_PPC440SPE_ADMA 79 tristate "AMCC PPC440SPe ADMA support" 80 depends on 440SPe || 440SP 81 select DMA_ENGINE 82 select DMA_ENGINE_RAID 83 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 85 help 86 Enable support for the AMCC PPC440SPe RAID engines. 87 88config AT_HDMAC 89 tristate "Atmel AHB DMA support" 90 depends on ARCH_AT91 91 select DMA_ENGINE 92 help 93 Support the Atmel AHB DMA controller. 94 95config AT_XDMAC 96 tristate "Atmel XDMA support" 97 depends on ARCH_AT91 98 select DMA_ENGINE 99 help 100 Support the Atmel XDMA controller. 101 102config AXI_DMAC 103 tristate "Analog Devices AXI-DMAC DMA support" 104 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST 105 select DMA_ENGINE 106 select DMA_VIRTUAL_CHANNELS 107 select REGMAP_MMIO 108 help 109 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 110 controller is often used in Analog Devices' reference designs for FPGA 111 platforms. 112 113config BCM_SBA_RAID 114 tristate "Broadcom SBA RAID engine support" 115 depends on ARM64 || COMPILE_TEST 116 depends on MAILBOX && RAID6_PQ 117 select DMA_ENGINE 118 select DMA_ENGINE_RAID 119 select ASYNC_TX_DISABLE_XOR_VAL_DMA 120 select ASYNC_TX_DISABLE_PQ_VAL_DMA 121 default m if ARCH_BCM_IPROC 122 help 123 Enable support for Broadcom SBA RAID Engine. The SBA RAID 124 engine is available on most of the Broadcom iProc SoCs. It 125 has the capability to offload memcpy, xor and pq computation 126 for raid5/6. 127 128config COH901318 129 bool "ST-Ericsson COH901318 DMA support" 130 select DMA_ENGINE 131 depends on ARCH_U300 || COMPILE_TEST 132 help 133 Enable support for ST-Ericsson COH 901 318 DMA. 134 135config DMA_BCM2835 136 tristate "BCM2835 DMA engine support" 137 depends on ARCH_BCM2835 138 select DMA_ENGINE 139 select DMA_VIRTUAL_CHANNELS 140 141config DMA_JZ4780 142 tristate "JZ4780 DMA support" 143 depends on MIPS || COMPILE_TEST 144 select DMA_ENGINE 145 select DMA_VIRTUAL_CHANNELS 146 help 147 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 148 If you have a board based on such a SoC and wish to use DMA for 149 devices which can use the DMA controller, say Y or M here. 150 151config DMA_SA11X0 152 tristate "SA-11x0 DMA support" 153 depends on ARCH_SA1100 || COMPILE_TEST 154 select DMA_ENGINE 155 select DMA_VIRTUAL_CHANNELS 156 help 157 Support the DMA engine found on Intel StrongARM SA-1100 and 158 SA-1110 SoCs. This DMA engine can only be used with on-chip 159 devices. 160 161config DMA_SUN4I 162 tristate "Allwinner A10 DMA SoCs support" 163 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 164 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 165 select DMA_ENGINE 166 select DMA_VIRTUAL_CHANNELS 167 help 168 Enable support for the DMA controller present in the sun4i, 169 sun5i and sun7i Allwinner ARM SoCs. 170 171config DMA_SUN6I 172 tristate "Allwinner A31 SoCs DMA support" 173 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 174 depends on RESET_CONTROLLER 175 select DMA_ENGINE 176 select DMA_VIRTUAL_CHANNELS 177 help 178 Support for the DMA engine first found in Allwinner A31 SoCs. 179 180config DW_AXI_DMAC 181 tristate "Synopsys DesignWare AXI DMA support" 182 depends on OF || COMPILE_TEST 183 select DMA_ENGINE 184 select DMA_VIRTUAL_CHANNELS 185 help 186 Enable support for Synopsys DesignWare AXI DMA controller. 187 NOTE: This driver wasn't tested on 64 bit platform because 188 of lack 64 bit platform with Synopsys DW AXI DMAC. 189 190config EP93XX_DMA 191 bool "Cirrus Logic EP93xx DMA support" 192 depends on ARCH_EP93XX || COMPILE_TEST 193 select DMA_ENGINE 194 help 195 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 196 197config FSL_DMA 198 tristate "Freescale Elo series DMA support" 199 depends on FSL_SOC 200 select DMA_ENGINE 201 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 202 help 203 Enable support for the Freescale Elo series DMA controllers. 204 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 205 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 206 some Txxx and Bxxx parts. 207 208config FSL_EDMA 209 tristate "Freescale eDMA engine support" 210 depends on OF 211 depends on HAS_IOMEM 212 select DMA_ENGINE 213 select DMA_VIRTUAL_CHANNELS 214 help 215 Support the Freescale eDMA engine with programmable channel 216 multiplexing capability for DMA request sources(slot). 217 This module can be found on Freescale Vybrid and LS-1 SoCs. 218 219config FSL_QDMA 220 tristate "NXP Layerscape qDMA engine support" 221 depends on ARM || ARM64 222 select DMA_ENGINE 223 select DMA_VIRTUAL_CHANNELS 224 select DMA_ENGINE_RAID 225 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 226 help 227 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 228 Channel virtualization is supported through enqueuing of DMA jobs to, 229 or dequeuing DMA jobs from, different work queues. 230 This module can be found on NXP Layerscape SoCs. 231 The qdma driver only work on SoCs with a DPAA hardware block. 232 233config FSL_RAID 234 tristate "Freescale RAID engine Support" 235 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 236 select DMA_ENGINE 237 select DMA_ENGINE_RAID 238 help 239 Enable support for Freescale RAID Engine. RAID Engine is 240 available on some QorIQ SoCs (like P5020/P5040). It has 241 the capability to offload memcpy, xor and pq computation 242 for raid5/6. 243 244config HISI_DMA 245 tristate "HiSilicon DMA Engine support" 246 depends on ARM64 || COMPILE_TEST 247 depends on PCI_MSI 248 select DMA_ENGINE 249 select DMA_VIRTUAL_CHANNELS 250 help 251 Support HiSilicon Kunpeng DMA engine. 252 253config IMG_MDC_DMA 254 tristate "IMG MDC support" 255 depends on MIPS || COMPILE_TEST 256 depends on MFD_SYSCON 257 select DMA_ENGINE 258 select DMA_VIRTUAL_CHANNELS 259 help 260 Enable support for the IMG multi-threaded DMA controller (MDC). 261 262config IMX_DMA 263 tristate "i.MX DMA support" 264 depends on ARCH_MXC 265 select DMA_ENGINE 266 help 267 Support the i.MX DMA engine. This engine is integrated into 268 Freescale i.MX1/21/27 chips. 269 270config IMX_SDMA 271 tristate "i.MX SDMA support" 272 depends on ARCH_MXC 273 select DMA_ENGINE 274 select DMA_VIRTUAL_CHANNELS 275 help 276 Support the i.MX SDMA engine. This engine is integrated into 277 Freescale i.MX25/31/35/51/53/6 chips. 278 279config INTEL_IDMA64 280 tristate "Intel integrated DMA 64-bit support" 281 depends on HAS_IOMEM 282 select DMA_ENGINE 283 select DMA_VIRTUAL_CHANNELS 284 help 285 Enable DMA support for Intel Low Power Subsystem such as found on 286 Intel Skylake PCH. 287 288config INTEL_IDXD 289 tristate "Intel Data Accelerators support" 290 depends on PCI && X86_64 && !UML 291 depends on PCI_MSI 292 depends on SBITMAP 293 select DMA_ENGINE 294 help 295 Enable support for the Intel(R) data accelerators present 296 in Intel Xeon CPU. 297 298 Say Y if you have such a platform. 299 300 If unsure, say N. 301 302config INTEL_IOATDMA 303 tristate "Intel I/OAT DMA support" 304 depends on PCI && X86_64 && !UML 305 select DMA_ENGINE 306 select DMA_ENGINE_RAID 307 select DCA 308 help 309 Enable support for the Intel(R) I/OAT DMA engine present 310 in recent Intel Xeon chipsets. 311 312 Say Y here if you have such a chipset. 313 314 If unsure, say N. 315 316config INTEL_IOP_ADMA 317 tristate "Intel IOP32x ADMA support" 318 depends on ARCH_IOP32X || COMPILE_TEST 319 select DMA_ENGINE 320 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 321 help 322 Enable support for the Intel(R) IOP Series RAID engines. 323 324config K3_DMA 325 tristate "Hisilicon K3 DMA support" 326 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 327 select DMA_ENGINE 328 select DMA_VIRTUAL_CHANNELS 329 help 330 Support the DMA engine for Hisilicon K3 platform 331 devices. 332 333config LPC18XX_DMAMUX 334 bool "NXP LPC18xx/43xx DMA MUX for PL080" 335 depends on ARCH_LPC18XX || COMPILE_TEST 336 depends on OF && AMBA_PL08X 337 select MFD_SYSCON 338 help 339 Enable support for DMA on NXP LPC18xx/43xx platforms 340 with PL080 and multiplexed DMA request lines. 341 342config MCF_EDMA 343 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 344 depends on M5441x || COMPILE_TEST 345 select DMA_ENGINE 346 select DMA_VIRTUAL_CHANNELS 347 help 348 Support the Freescale ColdFire eDMA engine, 64-channel 349 implementation that performs complex data transfers with 350 minimal intervention from a host processor. 351 This module can be found on Freescale ColdFire mcf5441x SoCs. 352 353config MILBEAUT_HDMAC 354 tristate "Milbeaut AHB DMA support" 355 depends on ARCH_MILBEAUT || COMPILE_TEST 356 depends on OF 357 select DMA_ENGINE 358 select DMA_VIRTUAL_CHANNELS 359 help 360 Say yes here to support the Socionext Milbeaut 361 HDMAC device. 362 363config MILBEAUT_XDMAC 364 tristate "Milbeaut AXI DMA support" 365 depends on ARCH_MILBEAUT || COMPILE_TEST 366 depends on OF 367 select DMA_ENGINE 368 select DMA_VIRTUAL_CHANNELS 369 help 370 Say yes here to support the Socionext Milbeaut 371 XDMAC device. 372 373config MMP_PDMA 374 bool "MMP PDMA support" 375 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 376 select DMA_ENGINE 377 help 378 Support the MMP PDMA engine for PXA and MMP platform. 379 380config MMP_TDMA 381 bool "MMP Two-Channel DMA support" 382 depends on ARCH_MMP || COMPILE_TEST 383 select DMA_ENGINE 384 select GENERIC_ALLOCATOR 385 help 386 Support the MMP Two-Channel DMA engine. 387 This engine used for MMP Audio DMA and pxa910 SQU. 388 389config MOXART_DMA 390 tristate "MOXART DMA support" 391 depends on ARCH_MOXART 392 select DMA_ENGINE 393 select DMA_VIRTUAL_CHANNELS 394 help 395 Enable support for the MOXA ART SoC DMA controller. 396 397 Say Y here if you enabled MMP ADMA, otherwise say N. 398 399config MPC512X_DMA 400 tristate "Freescale MPC512x built-in DMA engine support" 401 depends on PPC_MPC512x || PPC_MPC831x 402 select DMA_ENGINE 403 help 404 Enable support for the Freescale MPC512x built-in DMA engine. 405 406config MV_XOR 407 bool "Marvell XOR engine support" 408 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 409 select DMA_ENGINE 410 select DMA_ENGINE_RAID 411 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 412 help 413 Enable support for the Marvell XOR engine. 414 415config MV_XOR_V2 416 bool "Marvell XOR engine version 2 support " 417 depends on ARM64 418 select DMA_ENGINE 419 select DMA_ENGINE_RAID 420 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 421 select GENERIC_MSI_IRQ_DOMAIN 422 help 423 Enable support for the Marvell version 2 XOR engine. 424 425 This engine provides acceleration for copy, XOR and RAID6 426 operations, and is available on Marvell Armada 7K and 8K 427 platforms. 428 429config MXS_DMA 430 bool "MXS DMA support" 431 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 432 select STMP_DEVICE 433 select DMA_ENGINE 434 help 435 Support the MXS DMA engine. This engine including APBH-DMA 436 and APBX-DMA is integrated into some Freescale chips. 437 438config MX3_IPU 439 bool "MX3x Image Processing Unit support" 440 depends on ARCH_MXC 441 select DMA_ENGINE 442 default y 443 help 444 If you plan to use the Image Processing unit in the i.MX3x, say 445 Y here. If unsure, select Y. 446 447config MX3_IPU_IRQS 448 int "Number of dynamically mapped interrupts for IPU" 449 depends on MX3_IPU 450 range 2 137 451 default 4 452 help 453 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 454 To avoid bloating the irq_desc[] array we allocate a sufficient 455 number of IRQ slots and map them dynamically to specific sources. 456 457config NBPFAXI_DMA 458 tristate "Renesas Type-AXI NBPF DMA support" 459 select DMA_ENGINE 460 depends on ARM || COMPILE_TEST 461 help 462 Support for "Type-AXI" NBPF DMA IPs from Renesas 463 464config OWL_DMA 465 tristate "Actions Semi Owl SoCs DMA support" 466 depends on ARCH_ACTIONS 467 select DMA_ENGINE 468 select DMA_VIRTUAL_CHANNELS 469 help 470 Enable support for the Actions Semi Owl SoCs DMA controller. 471 472config PCH_DMA 473 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 474 depends on PCI && (X86_32 || COMPILE_TEST) 475 select DMA_ENGINE 476 help 477 Enable support for Intel EG20T PCH DMA engine. 478 479 This driver also can be used for LAPIS Semiconductor IOH(Input/ 480 Output Hub), ML7213, ML7223 and ML7831. 481 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 482 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 483 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 484 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 485 486config PL330_DMA 487 tristate "DMA API Driver for PL330" 488 select DMA_ENGINE 489 depends on ARM_AMBA 490 help 491 Select if your platform has one or more PL330 DMACs. 492 You need to provide platform specific settings via 493 platform_data for a dma-pl330 device. 494 495config PXA_DMA 496 bool "PXA DMA support" 497 depends on (ARCH_MMP || ARCH_PXA) 498 select DMA_ENGINE 499 select DMA_VIRTUAL_CHANNELS 500 help 501 Support the DMA engine for PXA. It is also compatible with MMP PDMA 502 platform. The internal DMA IP of all PXA variants is supported, with 503 16 to 32 channels for peripheral to memory or memory to memory 504 transfers. 505 506config PLX_DMA 507 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 508 depends on PCI 509 select DMA_ENGINE 510 help 511 Some PLX ExpressLane PCI Switches support additional DMA engines. 512 These are exposed via extra functions on the switch's 513 upstream port. Each function exposes one DMA channel. 514 515config SIRF_DMA 516 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 517 depends on ARCH_SIRF 518 select DMA_ENGINE 519 help 520 Enable support for the CSR SiRFprimaII DMA engine. 521 522config STE_DMA40 523 bool "ST-Ericsson DMA40 support" 524 depends on ARCH_U8500 525 select DMA_ENGINE 526 help 527 Support for ST-Ericsson DMA40 controller 528 529config ST_FDMA 530 tristate "ST FDMA dmaengine support" 531 depends on ARCH_STI 532 depends on REMOTEPROC 533 select ST_SLIM_REMOTEPROC 534 select DMA_ENGINE 535 select DMA_VIRTUAL_CHANNELS 536 help 537 Enable support for ST FDMA controller. 538 It supports 16 independent DMA channels, accepts up to 32 DMA requests 539 540 Say Y here if you have such a chipset. 541 If unsure, say N. 542 543config STM32_DMA 544 bool "STMicroelectronics STM32 DMA support" 545 depends on ARCH_STM32 || COMPILE_TEST 546 select DMA_ENGINE 547 select DMA_VIRTUAL_CHANNELS 548 help 549 Enable support for the on-chip DMA controller on STMicroelectronics 550 STM32 MCUs. 551 If you have a board based on such a MCU and wish to use DMA say Y 552 here. 553 554config STM32_DMAMUX 555 bool "STMicroelectronics STM32 dma multiplexer support" 556 depends on STM32_DMA || COMPILE_TEST 557 help 558 Enable support for the on-chip DMA multiplexer on STMicroelectronics 559 STM32 MCUs. 560 If you have a board based on such a MCU and wish to use DMAMUX say Y 561 here. 562 563config STM32_MDMA 564 bool "STMicroelectronics STM32 master dma support" 565 depends on ARCH_STM32 || COMPILE_TEST 566 depends on OF 567 select DMA_ENGINE 568 select DMA_VIRTUAL_CHANNELS 569 help 570 Enable support for the on-chip MDMA controller on STMicroelectronics 571 STM32 platforms. 572 If you have a board based on STM32 SoC and wish to use the master DMA 573 say Y here. 574 575config SPRD_DMA 576 tristate "Spreadtrum DMA support" 577 depends on ARCH_SPRD || COMPILE_TEST 578 select DMA_ENGINE 579 select DMA_VIRTUAL_CHANNELS 580 help 581 Enable support for the on-chip DMA controller on Spreadtrum platform. 582 583config S3C24XX_DMAC 584 bool "Samsung S3C24XX DMA support" 585 depends on ARCH_S3C24XX || COMPILE_TEST 586 select DMA_ENGINE 587 select DMA_VIRTUAL_CHANNELS 588 help 589 Support for the Samsung S3C24XX DMA controller driver. The 590 DMA controller is having multiple DMA channels which can be 591 configured for different peripherals like audio, UART, SPI. 592 The DMA controller can transfer data from memory to peripheral, 593 periphal to memory, periphal to periphal and memory to memory. 594 595config TXX9_DMAC 596 tristate "Toshiba TXx9 SoC DMA support" 597 depends on MACH_TX49XX || MACH_TX39XX 598 select DMA_ENGINE 599 help 600 Support the TXx9 SoC internal DMA controller. This can be 601 integrated in chips such as the Toshiba TX4927/38/39. 602 603config TEGRA20_APB_DMA 604 tristate "NVIDIA Tegra20 APB DMA support" 605 depends on ARCH_TEGRA || COMPILE_TEST 606 select DMA_ENGINE 607 help 608 Support for the NVIDIA Tegra20 APB DMA controller driver. The 609 DMA controller is having multiple DMA channel which can be 610 configured for different peripherals like audio, UART, SPI, 611 I2C etc which is in APB bus. 612 This DMA controller transfers data from memory to peripheral fifo 613 or vice versa. It does not support memory to memory data transfer. 614 615config TEGRA210_ADMA 616 tristate "NVIDIA Tegra210 ADMA support" 617 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 618 select DMA_ENGINE 619 select DMA_VIRTUAL_CHANNELS 620 help 621 Support for the NVIDIA Tegra210 ADMA controller driver. The 622 DMA controller has multiple DMA channels and is used to service 623 various audio clients in the Tegra210 audio processing engine 624 (APE). This DMA controller transfers data from memory to 625 peripheral and vice versa. It does not support memory to 626 memory data transfer. 627 628config TIMB_DMA 629 tristate "Timberdale FPGA DMA support" 630 depends on MFD_TIMBERDALE || COMPILE_TEST 631 select DMA_ENGINE 632 help 633 Enable support for the Timberdale FPGA DMA engine. 634 635config UNIPHIER_MDMAC 636 tristate "UniPhier MIO DMAC" 637 depends on ARCH_UNIPHIER || COMPILE_TEST 638 depends on OF 639 select DMA_ENGINE 640 select DMA_VIRTUAL_CHANNELS 641 help 642 Enable support for the MIO DMAC (Media I/O DMA controller) on the 643 UniPhier platform. This DMA controller is used as the external 644 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 645 646config UNIPHIER_XDMAC 647 tristate "UniPhier XDMAC support" 648 depends on ARCH_UNIPHIER || COMPILE_TEST 649 depends on OF 650 select DMA_ENGINE 651 select DMA_VIRTUAL_CHANNELS 652 help 653 Enable support for the XDMAC (external DMA controller) on the 654 UniPhier platform. This DMA controller can transfer data from 655 memory to memory, memory to peripheral and peripheral to memory. 656 657config XGENE_DMA 658 tristate "APM X-Gene DMA support" 659 depends on ARCH_XGENE || COMPILE_TEST 660 select DMA_ENGINE 661 select DMA_ENGINE_RAID 662 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 663 help 664 Enable support for the APM X-Gene SoC DMA engine. 665 666config XILINX_DMA 667 tristate "Xilinx AXI DMAS Engine" 668 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 669 select DMA_ENGINE 670 help 671 Enable support for Xilinx AXI VDMA Soft IP. 672 673 AXI VDMA engine provides high-bandwidth direct memory access 674 between memory and AXI4-Stream video type target 675 peripherals including peripherals which support AXI4- 676 Stream Video Protocol. It has two stream interfaces/ 677 channels, Memory Mapped to Stream (MM2S) and Stream to 678 Memory Mapped (S2MM) for the data transfers. 679 AXI CDMA engine provides high-bandwidth direct memory access 680 between a memory-mapped source address and a memory-mapped 681 destination address. 682 AXI DMA engine provides high-bandwidth one dimensional direct 683 memory access between memory and AXI4-Stream target peripherals. 684 AXI MCDMA engine provides high-bandwidth direct memory access 685 between memory and AXI4-Stream target peripherals. It provides 686 the scatter gather interface with multiple channels independent 687 configuration support. 688 689config XILINX_ZYNQMP_DMA 690 tristate "Xilinx ZynqMP DMA Engine" 691 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 692 select DMA_ENGINE 693 help 694 Enable support for Xilinx ZynqMP DMA controller. 695 696config XILINX_ZYNQMP_DPDMA 697 tristate "Xilinx DPDMA Engine" 698 depends on HAS_IOMEM && OF 699 select DMA_ENGINE 700 select DMA_VIRTUAL_CHANNELS 701 help 702 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 703 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 704 driver provides the dmaengine required by the DisplayPort subsystem 705 display driver. 706 707config ZX_DMA 708 tristate "ZTE ZX DMA support" 709 depends on ARCH_ZX || COMPILE_TEST 710 select DMA_ENGINE 711 select DMA_VIRTUAL_CHANNELS 712 help 713 Support the DMA engine for ZTE ZX family platform devices. 714 715 716# driver files 717source "drivers/dma/bestcomm/Kconfig" 718 719source "drivers/dma/mediatek/Kconfig" 720 721source "drivers/dma/qcom/Kconfig" 722 723source "drivers/dma/dw/Kconfig" 724 725source "drivers/dma/dw-edma/Kconfig" 726 727source "drivers/dma/hsu/Kconfig" 728 729source "drivers/dma/sf-pdma/Kconfig" 730 731source "drivers/dma/sh/Kconfig" 732 733source "drivers/dma/ti/Kconfig" 734 735source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 736 737# clients 738comment "DMA Clients" 739 depends on DMA_ENGINE 740 741config ASYNC_TX_DMA 742 bool "Async_tx: Offload support for the async_tx api" 743 depends on DMA_ENGINE 744 help 745 This allows the async_tx api to take advantage of offload engines for 746 memcpy, memset, xor, and raid6 p+q operations. If your platform has 747 a dma engine that can perform raid operations and you have enabled 748 MD_RAID456 say Y. 749 750 If unsure, say N. 751 752config DMATEST 753 tristate "DMA Test client" 754 depends on DMA_ENGINE 755 select DMA_ENGINE_RAID 756 help 757 Simple DMA test client. Say N unless you're debugging a 758 DMA Device driver. 759 760config DMA_ENGINE_RAID 761 bool 762 763endif 764