1# SPDX-License-Identifier: GPL-2.0-only 2# 3# DMA engine configuration 4# 5 6menuconfig DMADEVICES 7 bool "DMA Engine support" 8 depends on HAS_DMA 9 help 10 DMA engines can do asynchronous data transfers without 11 involving the host CPU. Currently, this framework can be 12 used to offload memory copies in the network stack and 13 RAID operations in the MD driver. This menu only presents 14 DMA Device drivers supported by the configured arch, it may 15 be empty in some cases. 16 17config DMADEVICES_DEBUG 18 bool "DMA Engine debugging" 19 depends on DMADEVICES != n 20 help 21 This is an option for use by developers; most people should 22 say N here. This enables DMA engine core and driver debugging. 23 24config DMADEVICES_VDEBUG 25 bool "DMA Engine verbose debugging" 26 depends on DMADEVICES_DEBUG != n 27 help 28 This is an option for use by developers; most people should 29 say N here. This enables deeper (more verbose) debugging of 30 the DMA engine core and drivers. 31 32 33if DMADEVICES 34 35comment "DMA Devices" 36 37#core 38config ASYNC_TX_ENABLE_CHANNEL_SWITCH 39 bool 40 41config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 42 bool 43 44config DMA_ENGINE 45 bool 46 47config DMA_VIRTUAL_CHANNELS 48 tristate 49 50config DMA_ACPI 51 def_bool y 52 depends on ACPI 53 54config DMA_OF 55 def_bool y 56 depends on OF 57 select DMA_ENGINE 58 59#devices 60config ALTERA_MSGDMA 61 tristate "Altera / Intel mSGDMA Engine" 62 select DMA_ENGINE 63 help 64 Enable support for Altera / Intel mSGDMA controller. 65 66config AMBA_PL08X 67 bool "ARM PrimeCell PL080 or PL081 support" 68 depends on ARM_AMBA 69 select DMA_ENGINE 70 select DMA_VIRTUAL_CHANNELS 71 help 72 Say yes if your platform has a PL08x DMAC device which can 73 provide DMA engine support. This includes the original ARM 74 PL080 and PL081, Samsungs PL080 derivative and Faraday 75 Technology's FTDMAC020 PL080 derivative. 76 77config AMCC_PPC440SPE_ADMA 78 tristate "AMCC PPC440SPe ADMA support" 79 depends on 440SPe || 440SP 80 select DMA_ENGINE 81 select DMA_ENGINE_RAID 82 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 83 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 84 help 85 Enable support for the AMCC PPC440SPe RAID engines. 86 87config AT_HDMAC 88 tristate "Atmel AHB DMA support" 89 depends on ARCH_AT91 90 select DMA_ENGINE 91 help 92 Support the Atmel AHB DMA controller. 93 94config AT_XDMAC 95 tristate "Atmel XDMA support" 96 depends on ARCH_AT91 97 select DMA_ENGINE 98 help 99 Support the Atmel XDMA controller. 100 101config AXI_DMAC 102 tristate "Analog Devices AXI-DMAC DMA support" 103 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_SOCFPGA || COMPILE_TEST 104 select DMA_ENGINE 105 select DMA_VIRTUAL_CHANNELS 106 select REGMAP_MMIO 107 help 108 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 109 controller is often used in Analog Devices' reference designs for FPGA 110 platforms. 111 112config BCM_SBA_RAID 113 tristate "Broadcom SBA RAID engine support" 114 depends on ARM64 || COMPILE_TEST 115 depends on MAILBOX && RAID6_PQ 116 select DMA_ENGINE 117 select DMA_ENGINE_RAID 118 select ASYNC_TX_DISABLE_XOR_VAL_DMA 119 select ASYNC_TX_DISABLE_PQ_VAL_DMA 120 default m if ARCH_BCM_IPROC 121 help 122 Enable support for Broadcom SBA RAID Engine. The SBA RAID 123 engine is available on most of the Broadcom iProc SoCs. It 124 has the capability to offload memcpy, xor and pq computation 125 for raid5/6. 126 127config COH901318 128 bool "ST-Ericsson COH901318 DMA support" 129 select DMA_ENGINE 130 depends on ARCH_U300 || COMPILE_TEST 131 help 132 Enable support for ST-Ericsson COH 901 318 DMA. 133 134config DMA_BCM2835 135 tristate "BCM2835 DMA engine support" 136 depends on ARCH_BCM2835 137 select DMA_ENGINE 138 select DMA_VIRTUAL_CHANNELS 139 140config DMA_JZ4780 141 tristate "JZ4780 DMA support" 142 depends on MIPS || COMPILE_TEST 143 select DMA_ENGINE 144 select DMA_VIRTUAL_CHANNELS 145 help 146 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 147 If you have a board based on such a SoC and wish to use DMA for 148 devices which can use the DMA controller, say Y or M here. 149 150config DMA_SA11X0 151 tristate "SA-11x0 DMA support" 152 depends on ARCH_SA1100 || COMPILE_TEST 153 select DMA_ENGINE 154 select DMA_VIRTUAL_CHANNELS 155 help 156 Support the DMA engine found on Intel StrongARM SA-1100 and 157 SA-1110 SoCs. This DMA engine can only be used with on-chip 158 devices. 159 160config DMA_SUN4I 161 tristate "Allwinner A10 DMA SoCs support" 162 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 163 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 164 select DMA_ENGINE 165 select DMA_VIRTUAL_CHANNELS 166 help 167 Enable support for the DMA controller present in the sun4i, 168 sun5i and sun7i Allwinner ARM SoCs. 169 170config DMA_SUN6I 171 tristate "Allwinner A31 SoCs DMA support" 172 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 173 depends on RESET_CONTROLLER 174 select DMA_ENGINE 175 select DMA_VIRTUAL_CHANNELS 176 help 177 Support for the DMA engine first found in Allwinner A31 SoCs. 178 179config DW_AXI_DMAC 180 tristate "Synopsys DesignWare AXI DMA support" 181 depends on OF || COMPILE_TEST 182 select DMA_ENGINE 183 select DMA_VIRTUAL_CHANNELS 184 help 185 Enable support for Synopsys DesignWare AXI DMA controller. 186 NOTE: This driver wasn't tested on 64 bit platform because 187 of lack 64 bit platform with Synopsys DW AXI DMAC. 188 189config EP93XX_DMA 190 bool "Cirrus Logic EP93xx DMA support" 191 depends on ARCH_EP93XX || COMPILE_TEST 192 select DMA_ENGINE 193 help 194 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 195 196config FSL_DMA 197 tristate "Freescale Elo series DMA support" 198 depends on FSL_SOC 199 select DMA_ENGINE 200 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 201 help 202 Enable support for the Freescale Elo series DMA controllers. 203 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 204 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 205 some Txxx and Bxxx parts. 206 207config FSL_EDMA 208 tristate "Freescale eDMA engine support" 209 depends on OF 210 select DMA_ENGINE 211 select DMA_VIRTUAL_CHANNELS 212 help 213 Support the Freescale eDMA engine with programmable channel 214 multiplexing capability for DMA request sources(slot). 215 This module can be found on Freescale Vybrid and LS-1 SoCs. 216 217config FSL_QDMA 218 tristate "NXP Layerscape qDMA engine support" 219 depends on ARM || ARM64 220 select DMA_ENGINE 221 select DMA_VIRTUAL_CHANNELS 222 select DMA_ENGINE_RAID 223 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 224 help 225 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 226 Channel virtualization is supported through enqueuing of DMA jobs to, 227 or dequeuing DMA jobs from, different work queues. 228 This module can be found on NXP Layerscape SoCs. 229 The qdma driver only work on SoCs with a DPAA hardware block. 230 231config FSL_RAID 232 tristate "Freescale RAID engine Support" 233 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 234 select DMA_ENGINE 235 select DMA_ENGINE_RAID 236 help 237 Enable support for Freescale RAID Engine. RAID Engine is 238 available on some QorIQ SoCs (like P5020/P5040). It has 239 the capability to offload memcpy, xor and pq computation 240 for raid5/6. 241 242config HISI_DMA 243 tristate "HiSilicon DMA Engine support" 244 depends on ARM64 || COMPILE_TEST 245 depends on PCI_MSI 246 select DMA_ENGINE 247 select DMA_VIRTUAL_CHANNELS 248 help 249 Support HiSilicon Kunpeng DMA engine. 250 251config IMG_MDC_DMA 252 tristate "IMG MDC support" 253 depends on MIPS || COMPILE_TEST 254 depends on MFD_SYSCON 255 select DMA_ENGINE 256 select DMA_VIRTUAL_CHANNELS 257 help 258 Enable support for the IMG multi-threaded DMA controller (MDC). 259 260config IMX_DMA 261 tristate "i.MX DMA support" 262 depends on ARCH_MXC 263 select DMA_ENGINE 264 help 265 Support the i.MX DMA engine. This engine is integrated into 266 Freescale i.MX1/21/27 chips. 267 268config IMX_SDMA 269 tristate "i.MX SDMA support" 270 depends on ARCH_MXC 271 select DMA_ENGINE 272 select DMA_VIRTUAL_CHANNELS 273 help 274 Support the i.MX SDMA engine. This engine is integrated into 275 Freescale i.MX25/31/35/51/53/6 chips. 276 277config INTEL_IDMA64 278 tristate "Intel integrated DMA 64-bit support" 279 select DMA_ENGINE 280 select DMA_VIRTUAL_CHANNELS 281 help 282 Enable DMA support for Intel Low Power Subsystem such as found on 283 Intel Skylake PCH. 284 285config INTEL_IDXD 286 tristate "Intel Data Accelerators support" 287 depends on PCI && X86_64 288 select DMA_ENGINE 289 select SBITMAP 290 help 291 Enable support for the Intel(R) data accelerators present 292 in Intel Xeon CPU. 293 294 Say Y if you have such a platform. 295 296 If unsure, say N. 297 298config INTEL_IOATDMA 299 tristate "Intel I/OAT DMA support" 300 depends on PCI && X86_64 301 select DMA_ENGINE 302 select DMA_ENGINE_RAID 303 select DCA 304 help 305 Enable support for the Intel(R) I/OAT DMA engine present 306 in recent Intel Xeon chipsets. 307 308 Say Y here if you have such a chipset. 309 310 If unsure, say N. 311 312config INTEL_IOP_ADMA 313 tristate "Intel IOP32x ADMA support" 314 depends on ARCH_IOP32X || COMPILE_TEST 315 select DMA_ENGINE 316 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 317 help 318 Enable support for the Intel(R) IOP Series RAID engines. 319 320config INTEL_MIC_X100_DMA 321 tristate "Intel MIC X100 DMA Driver" 322 depends on 64BIT && X86 && INTEL_MIC_BUS 323 select DMA_ENGINE 324 help 325 This enables DMA support for the Intel Many Integrated Core 326 (MIC) family of PCIe form factor coprocessor X100 devices that 327 run a 64 bit Linux OS. This driver will be used by both MIC 328 host and card drivers. 329 330 If you are building host kernel with a MIC device or a card 331 kernel for a MIC device, then say M (recommended) or Y, else 332 say N. If unsure say N. 333 334 More information about the Intel MIC family as well as the Linux 335 OS and tools for MIC to use with this driver are available from 336 <http://software.intel.com/en-us/mic-developer>. 337 338config K3_DMA 339 tristate "Hisilicon K3 DMA support" 340 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 341 select DMA_ENGINE 342 select DMA_VIRTUAL_CHANNELS 343 help 344 Support the DMA engine for Hisilicon K3 platform 345 devices. 346 347config LPC18XX_DMAMUX 348 bool "NXP LPC18xx/43xx DMA MUX for PL080" 349 depends on ARCH_LPC18XX || COMPILE_TEST 350 depends on OF && AMBA_PL08X 351 select MFD_SYSCON 352 help 353 Enable support for DMA on NXP LPC18xx/43xx platforms 354 with PL080 and multiplexed DMA request lines. 355 356config MCF_EDMA 357 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 358 depends on M5441x || COMPILE_TEST 359 select DMA_ENGINE 360 select DMA_VIRTUAL_CHANNELS 361 help 362 Support the Freescale ColdFire eDMA engine, 64-channel 363 implementation that performs complex data transfers with 364 minimal intervention from a host processor. 365 This module can be found on Freescale ColdFire mcf5441x SoCs. 366 367config MILBEAUT_HDMAC 368 tristate "Milbeaut AHB DMA support" 369 depends on ARCH_MILBEAUT || COMPILE_TEST 370 depends on OF 371 select DMA_ENGINE 372 select DMA_VIRTUAL_CHANNELS 373 help 374 Say yes here to support the Socionext Milbeaut 375 HDMAC device. 376 377config MILBEAUT_XDMAC 378 tristate "Milbeaut AXI DMA support" 379 depends on ARCH_MILBEAUT || COMPILE_TEST 380 depends on OF 381 select DMA_ENGINE 382 select DMA_VIRTUAL_CHANNELS 383 help 384 Say yes here to support the Socionext Milbeaut 385 XDMAC device. 386 387config MMP_PDMA 388 bool "MMP PDMA support" 389 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 390 select DMA_ENGINE 391 help 392 Support the MMP PDMA engine for PXA and MMP platform. 393 394config MMP_TDMA 395 bool "MMP Two-Channel DMA support" 396 depends on ARCH_MMP || COMPILE_TEST 397 select DMA_ENGINE 398 select GENERIC_ALLOCATOR 399 help 400 Support the MMP Two-Channel DMA engine. 401 This engine used for MMP Audio DMA and pxa910 SQU. 402 403config MOXART_DMA 404 tristate "MOXART DMA support" 405 depends on ARCH_MOXART 406 select DMA_ENGINE 407 select DMA_VIRTUAL_CHANNELS 408 help 409 Enable support for the MOXA ART SoC DMA controller. 410 411 Say Y here if you enabled MMP ADMA, otherwise say N. 412 413config MPC512X_DMA 414 tristate "Freescale MPC512x built-in DMA engine support" 415 depends on PPC_MPC512x || PPC_MPC831x 416 select DMA_ENGINE 417 help 418 Enable support for the Freescale MPC512x built-in DMA engine. 419 420config MV_XOR 421 bool "Marvell XOR engine support" 422 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 423 select DMA_ENGINE 424 select DMA_ENGINE_RAID 425 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 426 help 427 Enable support for the Marvell XOR engine. 428 429config MV_XOR_V2 430 bool "Marvell XOR engine version 2 support " 431 depends on ARM64 432 select DMA_ENGINE 433 select DMA_ENGINE_RAID 434 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 435 select GENERIC_MSI_IRQ_DOMAIN 436 help 437 Enable support for the Marvell version 2 XOR engine. 438 439 This engine provides acceleration for copy, XOR and RAID6 440 operations, and is available on Marvell Armada 7K and 8K 441 platforms. 442 443config MXS_DMA 444 bool "MXS DMA support" 445 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 446 select STMP_DEVICE 447 select DMA_ENGINE 448 help 449 Support the MXS DMA engine. This engine including APBH-DMA 450 and APBX-DMA is integrated into some Freescale chips. 451 452config MX3_IPU 453 bool "MX3x Image Processing Unit support" 454 depends on ARCH_MXC 455 select DMA_ENGINE 456 default y 457 help 458 If you plan to use the Image Processing unit in the i.MX3x, say 459 Y here. If unsure, select Y. 460 461config MX3_IPU_IRQS 462 int "Number of dynamically mapped interrupts for IPU" 463 depends on MX3_IPU 464 range 2 137 465 default 4 466 help 467 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 468 To avoid bloating the irq_desc[] array we allocate a sufficient 469 number of IRQ slots and map them dynamically to specific sources. 470 471config NBPFAXI_DMA 472 tristate "Renesas Type-AXI NBPF DMA support" 473 select DMA_ENGINE 474 depends on ARM || COMPILE_TEST 475 help 476 Support for "Type-AXI" NBPF DMA IPs from Renesas 477 478config OWL_DMA 479 tristate "Actions Semi Owl SoCs DMA support" 480 depends on ARCH_ACTIONS 481 select DMA_ENGINE 482 select DMA_VIRTUAL_CHANNELS 483 help 484 Enable support for the Actions Semi Owl SoCs DMA controller. 485 486config PCH_DMA 487 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 488 depends on PCI && (X86_32 || COMPILE_TEST) 489 select DMA_ENGINE 490 help 491 Enable support for Intel EG20T PCH DMA engine. 492 493 This driver also can be used for LAPIS Semiconductor IOH(Input/ 494 Output Hub), ML7213, ML7223 and ML7831. 495 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 496 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 497 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 498 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 499 500config PL330_DMA 501 tristate "DMA API Driver for PL330" 502 select DMA_ENGINE 503 depends on ARM_AMBA 504 help 505 Select if your platform has one or more PL330 DMACs. 506 You need to provide platform specific settings via 507 platform_data for a dma-pl330 device. 508 509config PXA_DMA 510 bool "PXA DMA support" 511 depends on (ARCH_MMP || ARCH_PXA) 512 select DMA_ENGINE 513 select DMA_VIRTUAL_CHANNELS 514 help 515 Support the DMA engine for PXA. It is also compatible with MMP PDMA 516 platform. The internal DMA IP of all PXA variants is supported, with 517 16 to 32 channels for peripheral to memory or memory to memory 518 transfers. 519 520config PLX_DMA 521 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 522 depends on PCI 523 select DMA_ENGINE 524 help 525 Some PLX ExpressLane PCI Switches support additional DMA engines. 526 These are exposed via extra functions on the switch's 527 upstream port. Each function exposes one DMA channel. 528 529config SIRF_DMA 530 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 531 depends on ARCH_SIRF 532 select DMA_ENGINE 533 help 534 Enable support for the CSR SiRFprimaII DMA engine. 535 536config STE_DMA40 537 bool "ST-Ericsson DMA40 support" 538 depends on ARCH_U8500 539 select DMA_ENGINE 540 help 541 Support for ST-Ericsson DMA40 controller 542 543config ST_FDMA 544 tristate "ST FDMA dmaengine support" 545 depends on ARCH_STI 546 depends on REMOTEPROC 547 select ST_SLIM_REMOTEPROC 548 select DMA_ENGINE 549 select DMA_VIRTUAL_CHANNELS 550 help 551 Enable support for ST FDMA controller. 552 It supports 16 independent DMA channels, accepts up to 32 DMA requests 553 554 Say Y here if you have such a chipset. 555 If unsure, say N. 556 557config STM32_DMA 558 bool "STMicroelectronics STM32 DMA support" 559 depends on ARCH_STM32 || COMPILE_TEST 560 select DMA_ENGINE 561 select DMA_VIRTUAL_CHANNELS 562 help 563 Enable support for the on-chip DMA controller on STMicroelectronics 564 STM32 MCUs. 565 If you have a board based on such a MCU and wish to use DMA say Y 566 here. 567 568config STM32_DMAMUX 569 bool "STMicroelectronics STM32 dma multiplexer support" 570 depends on STM32_DMA || COMPILE_TEST 571 help 572 Enable support for the on-chip DMA multiplexer on STMicroelectronics 573 STM32 MCUs. 574 If you have a board based on such a MCU and wish to use DMAMUX say Y 575 here. 576 577config STM32_MDMA 578 bool "STMicroelectronics STM32 master dma support" 579 depends on ARCH_STM32 || COMPILE_TEST 580 depends on OF 581 select DMA_ENGINE 582 select DMA_VIRTUAL_CHANNELS 583 help 584 Enable support for the on-chip MDMA controller on STMicroelectronics 585 STM32 platforms. 586 If you have a board based on STM32 SoC and wish to use the master DMA 587 say Y here. 588 589config SPRD_DMA 590 tristate "Spreadtrum DMA support" 591 depends on ARCH_SPRD || COMPILE_TEST 592 select DMA_ENGINE 593 select DMA_VIRTUAL_CHANNELS 594 help 595 Enable support for the on-chip DMA controller on Spreadtrum platform. 596 597config S3C24XX_DMAC 598 bool "Samsung S3C24XX DMA support" 599 depends on ARCH_S3C24XX || COMPILE_TEST 600 select DMA_ENGINE 601 select DMA_VIRTUAL_CHANNELS 602 help 603 Support for the Samsung S3C24XX DMA controller driver. The 604 DMA controller is having multiple DMA channels which can be 605 configured for different peripherals like audio, UART, SPI. 606 The DMA controller can transfer data from memory to peripheral, 607 periphal to memory, periphal to periphal and memory to memory. 608 609config TXX9_DMAC 610 tristate "Toshiba TXx9 SoC DMA support" 611 depends on MACH_TX49XX || MACH_TX39XX 612 select DMA_ENGINE 613 help 614 Support the TXx9 SoC internal DMA controller. This can be 615 integrated in chips such as the Toshiba TX4927/38/39. 616 617config TEGRA20_APB_DMA 618 tristate "NVIDIA Tegra20 APB DMA support" 619 depends on ARCH_TEGRA || COMPILE_TEST 620 select DMA_ENGINE 621 help 622 Support for the NVIDIA Tegra20 APB DMA controller driver. The 623 DMA controller is having multiple DMA channel which can be 624 configured for different peripherals like audio, UART, SPI, 625 I2C etc which is in APB bus. 626 This DMA controller transfers data from memory to peripheral fifo 627 or vice versa. It does not support memory to memory data transfer. 628 629config TEGRA210_ADMA 630 tristate "NVIDIA Tegra210 ADMA support" 631 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 632 select DMA_ENGINE 633 select DMA_VIRTUAL_CHANNELS 634 help 635 Support for the NVIDIA Tegra210 ADMA controller driver. The 636 DMA controller has multiple DMA channels and is used to service 637 various audio clients in the Tegra210 audio processing engine 638 (APE). This DMA controller transfers data from memory to 639 peripheral and vice versa. It does not support memory to 640 memory data transfer. 641 642config TIMB_DMA 643 tristate "Timberdale FPGA DMA support" 644 depends on MFD_TIMBERDALE || COMPILE_TEST 645 select DMA_ENGINE 646 help 647 Enable support for the Timberdale FPGA DMA engine. 648 649config UNIPHIER_MDMAC 650 tristate "UniPhier MIO DMAC" 651 depends on ARCH_UNIPHIER || COMPILE_TEST 652 depends on OF 653 select DMA_ENGINE 654 select DMA_VIRTUAL_CHANNELS 655 help 656 Enable support for the MIO DMAC (Media I/O DMA controller) on the 657 UniPhier platform. This DMA controller is used as the external 658 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 659 660config UNIPHIER_XDMAC 661 tristate "UniPhier XDMAC support" 662 depends on ARCH_UNIPHIER || COMPILE_TEST 663 depends on OF 664 select DMA_ENGINE 665 select DMA_VIRTUAL_CHANNELS 666 help 667 Enable support for the XDMAC (external DMA controller) on the 668 UniPhier platform. This DMA controller can transfer data from 669 memory to memory, memory to peripheral and peripheral to memory. 670 671config XGENE_DMA 672 tristate "APM X-Gene DMA support" 673 depends on ARCH_XGENE || COMPILE_TEST 674 select DMA_ENGINE 675 select DMA_ENGINE_RAID 676 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 677 help 678 Enable support for the APM X-Gene SoC DMA engine. 679 680config XILINX_DMA 681 tristate "Xilinx AXI DMAS Engine" 682 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 683 select DMA_ENGINE 684 help 685 Enable support for Xilinx AXI VDMA Soft IP. 686 687 AXI VDMA engine provides high-bandwidth direct memory access 688 between memory and AXI4-Stream video type target 689 peripherals including peripherals which support AXI4- 690 Stream Video Protocol. It has two stream interfaces/ 691 channels, Memory Mapped to Stream (MM2S) and Stream to 692 Memory Mapped (S2MM) for the data transfers. 693 AXI CDMA engine provides high-bandwidth direct memory access 694 between a memory-mapped source address and a memory-mapped 695 destination address. 696 AXI DMA engine provides high-bandwidth one dimensional direct 697 memory access between memory and AXI4-Stream target peripherals. 698 AXI MCDMA engine provides high-bandwidth direct memory access 699 between memory and AXI4-Stream target peripherals. It provides 700 the scatter gather interface with multiple channels independent 701 configuration support. 702 703config XILINX_ZYNQMP_DMA 704 tristate "Xilinx ZynqMP DMA Engine" 705 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 706 select DMA_ENGINE 707 help 708 Enable support for Xilinx ZynqMP DMA controller. 709 710config ZX_DMA 711 tristate "ZTE ZX DMA support" 712 depends on ARCH_ZX || COMPILE_TEST 713 select DMA_ENGINE 714 select DMA_VIRTUAL_CHANNELS 715 help 716 Support the DMA engine for ZTE ZX family platform devices. 717 718 719# driver files 720source "drivers/dma/bestcomm/Kconfig" 721 722source "drivers/dma/mediatek/Kconfig" 723 724source "drivers/dma/qcom/Kconfig" 725 726source "drivers/dma/dw/Kconfig" 727 728source "drivers/dma/dw-edma/Kconfig" 729 730source "drivers/dma/hsu/Kconfig" 731 732source "drivers/dma/sf-pdma/Kconfig" 733 734source "drivers/dma/sh/Kconfig" 735 736source "drivers/dma/ti/Kconfig" 737 738source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 739 740# clients 741comment "DMA Clients" 742 depends on DMA_ENGINE 743 744config ASYNC_TX_DMA 745 bool "Async_tx: Offload support for the async_tx api" 746 depends on DMA_ENGINE 747 help 748 This allows the async_tx api to take advantage of offload engines for 749 memcpy, memset, xor, and raid6 p+q operations. If your platform has 750 a dma engine that can perform raid operations and you have enabled 751 MD_RAID456 say Y. 752 753 If unsure, say N. 754 755config DMATEST 756 tristate "DMA Test client" 757 depends on DMA_ENGINE 758 select DMA_ENGINE_RAID 759 help 760 Simple DMA test client. Say N unless you're debugging a 761 DMA Device driver. 762 763config DMA_ENGINE_RAID 764 bool 765 766endif 767