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_INTEL_SOCFPGA || COMPILE_TEST 105 select DMA_ENGINE 106 select DMA_VIRTUAL_CHANNELS 107 select REGMAP_MMIO 108 help 109 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 110 controller is often used in Analog Devices' reference designs for FPGA 111 platforms. 112 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 DMA_BCM2835 129 tristate "BCM2835 DMA engine support" 130 depends on ARCH_BCM2835 131 select DMA_ENGINE 132 select DMA_VIRTUAL_CHANNELS 133 134config DMA_JZ4780 135 tristate "JZ4780 DMA support" 136 depends on MIPS || COMPILE_TEST 137 select DMA_ENGINE 138 select DMA_VIRTUAL_CHANNELS 139 help 140 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 141 If you have a board based on such a SoC and wish to use DMA for 142 devices which can use the DMA controller, say Y or M here. 143 144config DMA_SA11X0 145 tristate "SA-11x0 DMA support" 146 depends on ARCH_SA1100 || COMPILE_TEST 147 select DMA_ENGINE 148 select DMA_VIRTUAL_CHANNELS 149 help 150 Support the DMA engine found on Intel StrongARM SA-1100 and 151 SA-1110 SoCs. This DMA engine can only be used with on-chip 152 devices. 153 154config DMA_SUN4I 155 tristate "Allwinner A10 DMA SoCs support" 156 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 157 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 158 select DMA_ENGINE 159 select DMA_VIRTUAL_CHANNELS 160 help 161 Enable support for the DMA controller present in the sun4i, 162 sun5i and sun7i Allwinner ARM SoCs. 163 164config DMA_SUN6I 165 tristate "Allwinner A31 SoCs DMA support" 166 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 167 depends on RESET_CONTROLLER 168 select DMA_ENGINE 169 select DMA_VIRTUAL_CHANNELS 170 help 171 Support for the DMA engine first found in Allwinner A31 SoCs. 172 173config DW_AXI_DMAC 174 tristate "Synopsys DesignWare AXI DMA support" 175 depends on OF || COMPILE_TEST 176 depends on HAS_IOMEM 177 select DMA_ENGINE 178 select DMA_VIRTUAL_CHANNELS 179 help 180 Enable support for Synopsys DesignWare AXI DMA controller. 181 NOTE: This driver wasn't tested on 64 bit platform because 182 of lack 64 bit platform with Synopsys DW AXI DMAC. 183 184config EP93XX_DMA 185 bool "Cirrus Logic EP93xx DMA support" 186 depends on ARCH_EP93XX || COMPILE_TEST 187 select DMA_ENGINE 188 help 189 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 190 191config FSL_DMA 192 tristate "Freescale Elo series DMA support" 193 depends on FSL_SOC 194 select DMA_ENGINE 195 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 196 help 197 Enable support for the Freescale Elo series DMA controllers. 198 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 199 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 200 some Txxx and Bxxx parts. 201 202config FSL_EDMA 203 tristate "Freescale eDMA engine support" 204 depends on OF 205 depends on HAS_IOMEM 206 select DMA_ENGINE 207 select DMA_VIRTUAL_CHANNELS 208 help 209 Support the Freescale eDMA engine with programmable channel 210 multiplexing capability for DMA request sources(slot). 211 This module can be found on Freescale Vybrid and LS-1 SoCs. 212 213config FSL_QDMA 214 tristate "NXP Layerscape qDMA engine support" 215 depends on ARM || ARM64 216 select DMA_ENGINE 217 select DMA_VIRTUAL_CHANNELS 218 select DMA_ENGINE_RAID 219 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 220 help 221 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 222 Channel virtualization is supported through enqueuing of DMA jobs to, 223 or dequeuing DMA jobs from, different work queues. 224 This module can be found on NXP Layerscape SoCs. 225 The qdma driver only work on SoCs with a DPAA hardware block. 226 227config FSL_RAID 228 tristate "Freescale RAID engine Support" 229 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 230 select DMA_ENGINE 231 select DMA_ENGINE_RAID 232 help 233 Enable support for Freescale RAID Engine. RAID Engine is 234 available on some QorIQ SoCs (like P5020/P5040). It has 235 the capability to offload memcpy, xor and pq computation 236 for raid5/6. 237 238config HISI_DMA 239 tristate "HiSilicon DMA Engine support" 240 depends on ARCH_HISI || COMPILE_TEST 241 depends on PCI_MSI 242 select DMA_ENGINE 243 select DMA_VIRTUAL_CHANNELS 244 help 245 Support HiSilicon Kunpeng DMA engine. 246 247config IMG_MDC_DMA 248 tristate "IMG MDC support" 249 depends on MIPS || COMPILE_TEST 250 depends on MFD_SYSCON 251 select DMA_ENGINE 252 select DMA_VIRTUAL_CHANNELS 253 help 254 Enable support for the IMG multi-threaded DMA controller (MDC). 255 256config IMX_DMA 257 tristate "i.MX DMA support" 258 depends on ARCH_MXC 259 select DMA_ENGINE 260 help 261 Support the i.MX DMA engine. This engine is integrated into 262 Freescale i.MX1/21/27 chips. 263 264config IMX_SDMA 265 tristate "i.MX SDMA support" 266 depends on ARCH_MXC 267 select DMA_ENGINE 268 select DMA_VIRTUAL_CHANNELS 269 help 270 Support the i.MX SDMA engine. This engine is integrated into 271 Freescale i.MX25/31/35/51/53/6 chips. 272 273config INTEL_IDMA64 274 tristate "Intel integrated DMA 64-bit support" 275 depends on HAS_IOMEM 276 select DMA_ENGINE 277 select DMA_VIRTUAL_CHANNELS 278 help 279 Enable DMA support for Intel Low Power Subsystem such as found on 280 Intel Skylake PCH. 281 282config INTEL_IDXD_BUS 283 tristate 284 default INTEL_IDXD 285 286config INTEL_IDXD 287 tristate "Intel Data Accelerators support" 288 depends on PCI && X86_64 && !UML 289 depends on PCI_MSI 290 depends on PCI_PASID 291 depends on SBITMAP 292 select DMA_ENGINE 293 help 294 Enable support for the Intel(R) data accelerators present 295 in Intel Xeon CPU. 296 297 Say Y if you have such a platform. 298 299 If unsure, say N. 300 301config INTEL_IDXD_COMPAT 302 bool "Legacy behavior for idxd driver" 303 depends on PCI && X86_64 304 select INTEL_IDXD_BUS 305 help 306 Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior. 307 The old behavior performed driver bind/unbind for device and wq 308 devices all under the dsa driver. The compat driver will emulate 309 the legacy behavior in order to allow existing support apps (i.e. 310 accel-config) to continue function. It is expected that accel-config 311 v3.2 and earlier will need the compat mode. A distro with later 312 accel-config version can disable this compat config. 313 314 Say Y if you have old applications that require such behavior. 315 316 If unsure, say N. 317 318# Config symbol that collects all the dependencies that's necessary to 319# support shared virtual memory for the devices supported by idxd. 320config INTEL_IDXD_SVM 321 bool "Accelerator Shared Virtual Memory Support" 322 depends on INTEL_IDXD 323 depends on INTEL_IOMMU_SVM 324 depends on PCI_PRI 325 depends on PCI_PASID 326 depends on PCI_IOV 327 328config INTEL_IDXD_PERFMON 329 bool "Intel Data Accelerators performance monitor support" 330 depends on INTEL_IDXD 331 help 332 Enable performance monitor (pmu) support for the Intel(R) 333 data accelerators present in Intel Xeon CPU. With this 334 enabled, perf can be used to monitor the DSA (Intel Data 335 Streaming Accelerator) events described in the Intel DSA 336 spec. 337 338 If unsure, say N. 339 340config INTEL_IOATDMA 341 tristate "Intel I/OAT DMA support" 342 depends on PCI && X86_64 && !UML 343 select DMA_ENGINE 344 select DMA_ENGINE_RAID 345 select DCA 346 help 347 Enable support for the Intel(R) I/OAT DMA engine present 348 in recent Intel Xeon chipsets. 349 350 Say Y here if you have such a chipset. 351 352 If unsure, say N. 353 354config INTEL_IOP_ADMA 355 tristate "Intel IOP32x ADMA support" 356 depends on ARCH_IOP32X || COMPILE_TEST 357 select DMA_ENGINE 358 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 359 help 360 Enable support for the Intel(R) IOP Series RAID engines. 361 362config K3_DMA 363 tristate "Hisilicon K3 DMA support" 364 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 365 select DMA_ENGINE 366 select DMA_VIRTUAL_CHANNELS 367 help 368 Support the DMA engine for Hisilicon K3 platform 369 devices. 370 371config LPC18XX_DMAMUX 372 bool "NXP LPC18xx/43xx DMA MUX for PL080" 373 depends on ARCH_LPC18XX || COMPILE_TEST 374 depends on OF && AMBA_PL08X 375 select MFD_SYSCON 376 help 377 Enable support for DMA on NXP LPC18xx/43xx platforms 378 with PL080 and multiplexed DMA request lines. 379 380config MCF_EDMA 381 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 382 depends on M5441x || COMPILE_TEST 383 select DMA_ENGINE 384 select DMA_VIRTUAL_CHANNELS 385 help 386 Support the Freescale ColdFire eDMA engine, 64-channel 387 implementation that performs complex data transfers with 388 minimal intervention from a host processor. 389 This module can be found on Freescale ColdFire mcf5441x SoCs. 390 391config MILBEAUT_HDMAC 392 tristate "Milbeaut AHB DMA support" 393 depends on ARCH_MILBEAUT || COMPILE_TEST 394 depends on OF 395 select DMA_ENGINE 396 select DMA_VIRTUAL_CHANNELS 397 help 398 Say yes here to support the Socionext Milbeaut 399 HDMAC device. 400 401config MILBEAUT_XDMAC 402 tristate "Milbeaut AXI DMA support" 403 depends on ARCH_MILBEAUT || COMPILE_TEST 404 depends on OF 405 select DMA_ENGINE 406 select DMA_VIRTUAL_CHANNELS 407 help 408 Say yes here to support the Socionext Milbeaut 409 XDMAC device. 410 411config MMP_PDMA 412 tristate "MMP PDMA support" 413 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 414 select DMA_ENGINE 415 help 416 Support the MMP PDMA engine for PXA and MMP platform. 417 418config MMP_TDMA 419 tristate "MMP Two-Channel DMA support" 420 depends on ARCH_MMP || COMPILE_TEST 421 select DMA_ENGINE 422 select GENERIC_ALLOCATOR 423 help 424 Support the MMP Two-Channel DMA engine. 425 This engine used for MMP Audio DMA and pxa910 SQU. 426 427config MOXART_DMA 428 tristate "MOXART DMA support" 429 depends on ARCH_MOXART 430 select DMA_ENGINE 431 select DMA_VIRTUAL_CHANNELS 432 help 433 Enable support for the MOXA ART SoC DMA controller. 434 435 Say Y here if you enabled MMP ADMA, otherwise say N. 436 437config MPC512X_DMA 438 tristate "Freescale MPC512x built-in DMA engine support" 439 depends on PPC_MPC512x || PPC_MPC831x 440 select DMA_ENGINE 441 help 442 Enable support for the Freescale MPC512x built-in DMA engine. 443 444config MV_XOR 445 bool "Marvell XOR engine support" 446 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 447 select DMA_ENGINE 448 select DMA_ENGINE_RAID 449 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 450 help 451 Enable support for the Marvell XOR engine. 452 453config MV_XOR_V2 454 bool "Marvell XOR engine version 2 support " 455 depends on ARM64 456 select DMA_ENGINE 457 select DMA_ENGINE_RAID 458 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 459 select GENERIC_MSI_IRQ_DOMAIN 460 help 461 Enable support for the Marvell version 2 XOR engine. 462 463 This engine provides acceleration for copy, XOR and RAID6 464 operations, and is available on Marvell Armada 7K and 8K 465 platforms. 466 467config MXS_DMA 468 bool "MXS DMA support" 469 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 470 select STMP_DEVICE 471 select DMA_ENGINE 472 help 473 Support the MXS DMA engine. This engine including APBH-DMA 474 and APBX-DMA is integrated into some Freescale chips. 475 476config MX3_IPU 477 bool "MX3x Image Processing Unit support" 478 depends on ARCH_MXC 479 select DMA_ENGINE 480 default y 481 help 482 If you plan to use the Image Processing unit in the i.MX3x, say 483 Y here. If unsure, select Y. 484 485config MX3_IPU_IRQS 486 int "Number of dynamically mapped interrupts for IPU" 487 depends on MX3_IPU 488 range 2 137 489 default 4 490 help 491 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 492 To avoid bloating the irq_desc[] array we allocate a sufficient 493 number of IRQ slots and map them dynamically to specific sources. 494 495config NBPFAXI_DMA 496 tristate "Renesas Type-AXI NBPF DMA support" 497 select DMA_ENGINE 498 depends on ARM || COMPILE_TEST 499 help 500 Support for "Type-AXI" NBPF DMA IPs from Renesas 501 502config OWL_DMA 503 tristate "Actions Semi Owl SoCs DMA support" 504 depends on ARCH_ACTIONS 505 select DMA_ENGINE 506 select DMA_VIRTUAL_CHANNELS 507 help 508 Enable support for the Actions Semi Owl SoCs DMA controller. 509 510config PCH_DMA 511 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 512 depends on PCI && (X86_32 || COMPILE_TEST) 513 select DMA_ENGINE 514 help 515 Enable support for Intel EG20T PCH DMA engine. 516 517 This driver also can be used for LAPIS Semiconductor IOH(Input/ 518 Output Hub), ML7213, ML7223 and ML7831. 519 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 520 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 521 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 522 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 523 524config PL330_DMA 525 tristate "DMA API Driver for PL330" 526 select DMA_ENGINE 527 depends on ARM_AMBA 528 help 529 Select if your platform has one or more PL330 DMACs. 530 You need to provide platform specific settings via 531 platform_data for a dma-pl330 device. 532 533config PXA_DMA 534 bool "PXA DMA support" 535 depends on (ARCH_MMP || ARCH_PXA) 536 select DMA_ENGINE 537 select DMA_VIRTUAL_CHANNELS 538 help 539 Support the DMA engine for PXA. It is also compatible with MMP PDMA 540 platform. The internal DMA IP of all PXA variants is supported, with 541 16 to 32 channels for peripheral to memory or memory to memory 542 transfers. 543 544config PLX_DMA 545 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 546 depends on PCI 547 select DMA_ENGINE 548 help 549 Some PLX ExpressLane PCI Switches support additional DMA engines. 550 These are exposed via extra functions on the switch's 551 upstream port. Each function exposes one DMA channel. 552 553config STE_DMA40 554 bool "ST-Ericsson DMA40 support" 555 depends on ARCH_U8500 556 select DMA_ENGINE 557 help 558 Support for ST-Ericsson DMA40 controller 559 560config ST_FDMA 561 tristate "ST FDMA dmaengine support" 562 depends on ARCH_STI 563 depends on REMOTEPROC 564 select ST_SLIM_REMOTEPROC 565 select DMA_ENGINE 566 select DMA_VIRTUAL_CHANNELS 567 help 568 Enable support for ST FDMA controller. 569 It supports 16 independent DMA channels, accepts up to 32 DMA requests 570 571 Say Y here if you have such a chipset. 572 If unsure, say N. 573 574config STM32_DMA 575 bool "STMicroelectronics STM32 DMA support" 576 depends on ARCH_STM32 || COMPILE_TEST 577 select DMA_ENGINE 578 select DMA_VIRTUAL_CHANNELS 579 help 580 Enable support for the on-chip DMA controller on STMicroelectronics 581 STM32 MCUs. 582 If you have a board based on such a MCU and wish to use DMA say Y 583 here. 584 585config STM32_DMAMUX 586 bool "STMicroelectronics STM32 dma multiplexer support" 587 depends on STM32_DMA || COMPILE_TEST 588 help 589 Enable support for the on-chip DMA multiplexer on STMicroelectronics 590 STM32 MCUs. 591 If you have a board based on such a MCU and wish to use DMAMUX say Y 592 here. 593 594config STM32_MDMA 595 bool "STMicroelectronics STM32 master dma support" 596 depends on ARCH_STM32 || COMPILE_TEST 597 depends on OF 598 select DMA_ENGINE 599 select DMA_VIRTUAL_CHANNELS 600 help 601 Enable support for the on-chip MDMA controller on STMicroelectronics 602 STM32 platforms. 603 If you have a board based on STM32 SoC and wish to use the master DMA 604 say Y here. 605 606config SPRD_DMA 607 tristate "Spreadtrum DMA support" 608 depends on ARCH_SPRD || COMPILE_TEST 609 select DMA_ENGINE 610 select DMA_VIRTUAL_CHANNELS 611 help 612 Enable support for the on-chip DMA controller on Spreadtrum platform. 613 614config S3C24XX_DMAC 615 bool "Samsung S3C24XX DMA support" 616 depends on ARCH_S3C24XX || COMPILE_TEST 617 select DMA_ENGINE 618 select DMA_VIRTUAL_CHANNELS 619 help 620 Support for the Samsung S3C24XX DMA controller driver. The 621 DMA controller is having multiple DMA channels which can be 622 configured for different peripherals like audio, UART, SPI. 623 The DMA controller can transfer data from memory to peripheral, 624 periphal to memory, periphal to periphal and memory to memory. 625 626config TXX9_DMAC 627 tristate "Toshiba TXx9 SoC DMA support" 628 depends on MACH_TX49XX || MACH_TX39XX 629 select DMA_ENGINE 630 help 631 Support the TXx9 SoC internal DMA controller. This can be 632 integrated in chips such as the Toshiba TX4927/38/39. 633 634config TEGRA20_APB_DMA 635 tristate "NVIDIA Tegra20 APB DMA support" 636 depends on ARCH_TEGRA || COMPILE_TEST 637 select DMA_ENGINE 638 help 639 Support for the NVIDIA Tegra20 APB DMA controller driver. The 640 DMA controller is having multiple DMA channel which can be 641 configured for different peripherals like audio, UART, SPI, 642 I2C etc which is in APB bus. 643 This DMA controller transfers data from memory to peripheral fifo 644 or vice versa. It does not support memory to memory data transfer. 645 646config TEGRA210_ADMA 647 tristate "NVIDIA Tegra210 ADMA support" 648 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 649 select DMA_ENGINE 650 select DMA_VIRTUAL_CHANNELS 651 help 652 Support for the NVIDIA Tegra210 ADMA controller driver. The 653 DMA controller has multiple DMA channels and is used to service 654 various audio clients in the Tegra210 audio processing engine 655 (APE). This DMA controller transfers data from memory to 656 peripheral and vice versa. It does not support memory to 657 memory data transfer. 658 659config TIMB_DMA 660 tristate "Timberdale FPGA DMA support" 661 depends on MFD_TIMBERDALE || COMPILE_TEST 662 select DMA_ENGINE 663 help 664 Enable support for the Timberdale FPGA DMA engine. 665 666config UNIPHIER_MDMAC 667 tristate "UniPhier MIO DMAC" 668 depends on ARCH_UNIPHIER || COMPILE_TEST 669 depends on OF 670 select DMA_ENGINE 671 select DMA_VIRTUAL_CHANNELS 672 help 673 Enable support for the MIO DMAC (Media I/O DMA controller) on the 674 UniPhier platform. This DMA controller is used as the external 675 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 676 677config UNIPHIER_XDMAC 678 tristate "UniPhier XDMAC support" 679 depends on ARCH_UNIPHIER || COMPILE_TEST 680 depends on OF 681 select DMA_ENGINE 682 select DMA_VIRTUAL_CHANNELS 683 help 684 Enable support for the XDMAC (external DMA controller) on the 685 UniPhier platform. This DMA controller can transfer data from 686 memory to memory, memory to peripheral and peripheral to memory. 687 688config XGENE_DMA 689 tristate "APM X-Gene DMA support" 690 depends on ARCH_XGENE || COMPILE_TEST 691 select DMA_ENGINE 692 select DMA_ENGINE_RAID 693 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 694 help 695 Enable support for the APM X-Gene SoC DMA engine. 696 697config XILINX_DMA 698 tristate "Xilinx AXI DMAS Engine" 699 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 700 select DMA_ENGINE 701 help 702 Enable support for Xilinx AXI VDMA Soft IP. 703 704 AXI VDMA engine provides high-bandwidth direct memory access 705 between memory and AXI4-Stream video type target 706 peripherals including peripherals which support AXI4- 707 Stream Video Protocol. It has two stream interfaces/ 708 channels, Memory Mapped to Stream (MM2S) and Stream to 709 Memory Mapped (S2MM) for the data transfers. 710 AXI CDMA engine provides high-bandwidth direct memory access 711 between a memory-mapped source address and a memory-mapped 712 destination address. 713 AXI DMA engine provides high-bandwidth one dimensional direct 714 memory access between memory and AXI4-Stream target peripherals. 715 AXI MCDMA engine provides high-bandwidth direct memory access 716 between memory and AXI4-Stream target peripherals. It provides 717 the scatter gather interface with multiple channels independent 718 configuration support. 719 720config XILINX_ZYNQMP_DMA 721 tristate "Xilinx ZynqMP DMA Engine" 722 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 723 select DMA_ENGINE 724 help 725 Enable support for Xilinx ZynqMP DMA controller. 726 727config XILINX_ZYNQMP_DPDMA 728 tristate "Xilinx DPDMA Engine" 729 depends on HAS_IOMEM && OF 730 select DMA_ENGINE 731 select DMA_VIRTUAL_CHANNELS 732 help 733 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 734 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 735 driver provides the dmaengine required by the DisplayPort subsystem 736 display driver. 737 738# driver files 739source "drivers/dma/bestcomm/Kconfig" 740 741source "drivers/dma/mediatek/Kconfig" 742 743source "drivers/dma/ptdma/Kconfig" 744 745source "drivers/dma/qcom/Kconfig" 746 747source "drivers/dma/dw/Kconfig" 748 749source "drivers/dma/dw-edma/Kconfig" 750 751source "drivers/dma/hsu/Kconfig" 752 753source "drivers/dma/sf-pdma/Kconfig" 754 755source "drivers/dma/sh/Kconfig" 756 757source "drivers/dma/ti/Kconfig" 758 759source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 760 761source "drivers/dma/lgm/Kconfig" 762 763# clients 764comment "DMA Clients" 765 depends on DMA_ENGINE 766 767config ASYNC_TX_DMA 768 bool "Async_tx: Offload support for the async_tx api" 769 depends on DMA_ENGINE 770 help 771 This allows the async_tx api to take advantage of offload engines for 772 memcpy, memset, xor, and raid6 p+q operations. If your platform has 773 a dma engine that can perform raid operations and you have enabled 774 MD_RAID456 say Y. 775 776 If unsure, say N. 777 778config DMATEST 779 tristate "DMA Test client" 780 depends on DMA_ENGINE 781 select DMA_ENGINE_RAID 782 help 783 Simple DMA test client. Say N unless you're debugging a 784 DMA Device driver. 785 786config DMA_ENGINE_RAID 787 bool 788 789endif 790