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 depends on PCI_MSI 289 depends on SBITMAP 290 select DMA_ENGINE 291 help 292 Enable support for the Intel(R) data accelerators present 293 in Intel Xeon CPU. 294 295 Say Y if you have such a platform. 296 297 If unsure, say N. 298 299config INTEL_IOATDMA 300 tristate "Intel I/OAT DMA support" 301 depends on PCI && X86_64 302 select DMA_ENGINE 303 select DMA_ENGINE_RAID 304 select DCA 305 help 306 Enable support for the Intel(R) I/OAT DMA engine present 307 in recent Intel Xeon chipsets. 308 309 Say Y here if you have such a chipset. 310 311 If unsure, say N. 312 313config INTEL_IOP_ADMA 314 tristate "Intel IOP32x ADMA support" 315 depends on ARCH_IOP32X || COMPILE_TEST 316 select DMA_ENGINE 317 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 318 help 319 Enable support for the Intel(R) IOP Series RAID engines. 320 321config K3_DMA 322 tristate "Hisilicon K3 DMA support" 323 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 324 select DMA_ENGINE 325 select DMA_VIRTUAL_CHANNELS 326 help 327 Support the DMA engine for Hisilicon K3 platform 328 devices. 329 330config LPC18XX_DMAMUX 331 bool "NXP LPC18xx/43xx DMA MUX for PL080" 332 depends on ARCH_LPC18XX || COMPILE_TEST 333 depends on OF && AMBA_PL08X 334 select MFD_SYSCON 335 help 336 Enable support for DMA on NXP LPC18xx/43xx platforms 337 with PL080 and multiplexed DMA request lines. 338 339config MCF_EDMA 340 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 341 depends on M5441x || COMPILE_TEST 342 select DMA_ENGINE 343 select DMA_VIRTUAL_CHANNELS 344 help 345 Support the Freescale ColdFire eDMA engine, 64-channel 346 implementation that performs complex data transfers with 347 minimal intervention from a host processor. 348 This module can be found on Freescale ColdFire mcf5441x SoCs. 349 350config MILBEAUT_HDMAC 351 tristate "Milbeaut AHB DMA support" 352 depends on ARCH_MILBEAUT || COMPILE_TEST 353 depends on OF 354 select DMA_ENGINE 355 select DMA_VIRTUAL_CHANNELS 356 help 357 Say yes here to support the Socionext Milbeaut 358 HDMAC device. 359 360config MILBEAUT_XDMAC 361 tristate "Milbeaut AXI DMA support" 362 depends on ARCH_MILBEAUT || COMPILE_TEST 363 depends on OF 364 select DMA_ENGINE 365 select DMA_VIRTUAL_CHANNELS 366 help 367 Say yes here to support the Socionext Milbeaut 368 XDMAC device. 369 370config MMP_PDMA 371 bool "MMP PDMA support" 372 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 373 select DMA_ENGINE 374 help 375 Support the MMP PDMA engine for PXA and MMP platform. 376 377config MMP_TDMA 378 bool "MMP Two-Channel DMA support" 379 depends on ARCH_MMP || COMPILE_TEST 380 select DMA_ENGINE 381 select GENERIC_ALLOCATOR 382 help 383 Support the MMP Two-Channel DMA engine. 384 This engine used for MMP Audio DMA and pxa910 SQU. 385 386config MOXART_DMA 387 tristate "MOXART DMA support" 388 depends on ARCH_MOXART 389 select DMA_ENGINE 390 select DMA_VIRTUAL_CHANNELS 391 help 392 Enable support for the MOXA ART SoC DMA controller. 393 394 Say Y here if you enabled MMP ADMA, otherwise say N. 395 396config MPC512X_DMA 397 tristate "Freescale MPC512x built-in DMA engine support" 398 depends on PPC_MPC512x || PPC_MPC831x 399 select DMA_ENGINE 400 help 401 Enable support for the Freescale MPC512x built-in DMA engine. 402 403config MV_XOR 404 bool "Marvell XOR engine support" 405 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 406 select DMA_ENGINE 407 select DMA_ENGINE_RAID 408 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 409 help 410 Enable support for the Marvell XOR engine. 411 412config MV_XOR_V2 413 bool "Marvell XOR engine version 2 support " 414 depends on ARM64 415 select DMA_ENGINE 416 select DMA_ENGINE_RAID 417 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 418 select GENERIC_MSI_IRQ_DOMAIN 419 help 420 Enable support for the Marvell version 2 XOR engine. 421 422 This engine provides acceleration for copy, XOR and RAID6 423 operations, and is available on Marvell Armada 7K and 8K 424 platforms. 425 426config MXS_DMA 427 bool "MXS DMA support" 428 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 429 select STMP_DEVICE 430 select DMA_ENGINE 431 help 432 Support the MXS DMA engine. This engine including APBH-DMA 433 and APBX-DMA is integrated into some Freescale chips. 434 435config MX3_IPU 436 bool "MX3x Image Processing Unit support" 437 depends on ARCH_MXC 438 select DMA_ENGINE 439 default y 440 help 441 If you plan to use the Image Processing unit in the i.MX3x, say 442 Y here. If unsure, select Y. 443 444config MX3_IPU_IRQS 445 int "Number of dynamically mapped interrupts for IPU" 446 depends on MX3_IPU 447 range 2 137 448 default 4 449 help 450 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 451 To avoid bloating the irq_desc[] array we allocate a sufficient 452 number of IRQ slots and map them dynamically to specific sources. 453 454config NBPFAXI_DMA 455 tristate "Renesas Type-AXI NBPF DMA support" 456 select DMA_ENGINE 457 depends on ARM || COMPILE_TEST 458 help 459 Support for "Type-AXI" NBPF DMA IPs from Renesas 460 461config OWL_DMA 462 tristate "Actions Semi Owl SoCs DMA support" 463 depends on ARCH_ACTIONS 464 select DMA_ENGINE 465 select DMA_VIRTUAL_CHANNELS 466 help 467 Enable support for the Actions Semi Owl SoCs DMA controller. 468 469config PCH_DMA 470 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 471 depends on PCI && (X86_32 || COMPILE_TEST) 472 select DMA_ENGINE 473 help 474 Enable support for Intel EG20T PCH DMA engine. 475 476 This driver also can be used for LAPIS Semiconductor IOH(Input/ 477 Output Hub), ML7213, ML7223 and ML7831. 478 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 479 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 480 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 481 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 482 483config PL330_DMA 484 tristate "DMA API Driver for PL330" 485 select DMA_ENGINE 486 depends on ARM_AMBA 487 help 488 Select if your platform has one or more PL330 DMACs. 489 You need to provide platform specific settings via 490 platform_data for a dma-pl330 device. 491 492config PXA_DMA 493 bool "PXA DMA support" 494 depends on (ARCH_MMP || ARCH_PXA) 495 select DMA_ENGINE 496 select DMA_VIRTUAL_CHANNELS 497 help 498 Support the DMA engine for PXA. It is also compatible with MMP PDMA 499 platform. The internal DMA IP of all PXA variants is supported, with 500 16 to 32 channels for peripheral to memory or memory to memory 501 transfers. 502 503config PLX_DMA 504 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 505 depends on PCI 506 select DMA_ENGINE 507 help 508 Some PLX ExpressLane PCI Switches support additional DMA engines. 509 These are exposed via extra functions on the switch's 510 upstream port. Each function exposes one DMA channel. 511 512config SIRF_DMA 513 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 514 depends on ARCH_SIRF 515 select DMA_ENGINE 516 help 517 Enable support for the CSR SiRFprimaII DMA engine. 518 519config STE_DMA40 520 bool "ST-Ericsson DMA40 support" 521 depends on ARCH_U8500 522 select DMA_ENGINE 523 help 524 Support for ST-Ericsson DMA40 controller 525 526config ST_FDMA 527 tristate "ST FDMA dmaengine support" 528 depends on ARCH_STI 529 depends on REMOTEPROC 530 select ST_SLIM_REMOTEPROC 531 select DMA_ENGINE 532 select DMA_VIRTUAL_CHANNELS 533 help 534 Enable support for ST FDMA controller. 535 It supports 16 independent DMA channels, accepts up to 32 DMA requests 536 537 Say Y here if you have such a chipset. 538 If unsure, say N. 539 540config STM32_DMA 541 bool "STMicroelectronics STM32 DMA support" 542 depends on ARCH_STM32 || COMPILE_TEST 543 select DMA_ENGINE 544 select DMA_VIRTUAL_CHANNELS 545 help 546 Enable support for the on-chip DMA controller on STMicroelectronics 547 STM32 MCUs. 548 If you have a board based on such a MCU and wish to use DMA say Y 549 here. 550 551config STM32_DMAMUX 552 bool "STMicroelectronics STM32 dma multiplexer support" 553 depends on STM32_DMA || COMPILE_TEST 554 help 555 Enable support for the on-chip DMA multiplexer on STMicroelectronics 556 STM32 MCUs. 557 If you have a board based on such a MCU and wish to use DMAMUX say Y 558 here. 559 560config STM32_MDMA 561 bool "STMicroelectronics STM32 master dma support" 562 depends on ARCH_STM32 || COMPILE_TEST 563 depends on OF 564 select DMA_ENGINE 565 select DMA_VIRTUAL_CHANNELS 566 help 567 Enable support for the on-chip MDMA controller on STMicroelectronics 568 STM32 platforms. 569 If you have a board based on STM32 SoC and wish to use the master DMA 570 say Y here. 571 572config SPRD_DMA 573 tristate "Spreadtrum DMA support" 574 depends on ARCH_SPRD || COMPILE_TEST 575 select DMA_ENGINE 576 select DMA_VIRTUAL_CHANNELS 577 help 578 Enable support for the on-chip DMA controller on Spreadtrum platform. 579 580config S3C24XX_DMAC 581 bool "Samsung S3C24XX DMA support" 582 depends on ARCH_S3C24XX || COMPILE_TEST 583 select DMA_ENGINE 584 select DMA_VIRTUAL_CHANNELS 585 help 586 Support for the Samsung S3C24XX DMA controller driver. The 587 DMA controller is having multiple DMA channels which can be 588 configured for different peripherals like audio, UART, SPI. 589 The DMA controller can transfer data from memory to peripheral, 590 periphal to memory, periphal to periphal and memory to memory. 591 592config TXX9_DMAC 593 tristate "Toshiba TXx9 SoC DMA support" 594 depends on MACH_TX49XX || MACH_TX39XX 595 select DMA_ENGINE 596 help 597 Support the TXx9 SoC internal DMA controller. This can be 598 integrated in chips such as the Toshiba TX4927/38/39. 599 600config TEGRA20_APB_DMA 601 tristate "NVIDIA Tegra20 APB DMA support" 602 depends on ARCH_TEGRA || COMPILE_TEST 603 select DMA_ENGINE 604 help 605 Support for the NVIDIA Tegra20 APB DMA controller driver. The 606 DMA controller is having multiple DMA channel which can be 607 configured for different peripherals like audio, UART, SPI, 608 I2C etc which is in APB bus. 609 This DMA controller transfers data from memory to peripheral fifo 610 or vice versa. It does not support memory to memory data transfer. 611 612config TEGRA210_ADMA 613 tristate "NVIDIA Tegra210 ADMA support" 614 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 615 select DMA_ENGINE 616 select DMA_VIRTUAL_CHANNELS 617 help 618 Support for the NVIDIA Tegra210 ADMA controller driver. The 619 DMA controller has multiple DMA channels and is used to service 620 various audio clients in the Tegra210 audio processing engine 621 (APE). This DMA controller transfers data from memory to 622 peripheral and vice versa. It does not support memory to 623 memory data transfer. 624 625config TIMB_DMA 626 tristate "Timberdale FPGA DMA support" 627 depends on MFD_TIMBERDALE || COMPILE_TEST 628 select DMA_ENGINE 629 help 630 Enable support for the Timberdale FPGA DMA engine. 631 632config UNIPHIER_MDMAC 633 tristate "UniPhier MIO DMAC" 634 depends on ARCH_UNIPHIER || COMPILE_TEST 635 depends on OF 636 select DMA_ENGINE 637 select DMA_VIRTUAL_CHANNELS 638 help 639 Enable support for the MIO DMAC (Media I/O DMA controller) on the 640 UniPhier platform. This DMA controller is used as the external 641 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 642 643config UNIPHIER_XDMAC 644 tristate "UniPhier XDMAC support" 645 depends on ARCH_UNIPHIER || COMPILE_TEST 646 depends on OF 647 select DMA_ENGINE 648 select DMA_VIRTUAL_CHANNELS 649 help 650 Enable support for the XDMAC (external DMA controller) on the 651 UniPhier platform. This DMA controller can transfer data from 652 memory to memory, memory to peripheral and peripheral to memory. 653 654config XGENE_DMA 655 tristate "APM X-Gene DMA support" 656 depends on ARCH_XGENE || COMPILE_TEST 657 select DMA_ENGINE 658 select DMA_ENGINE_RAID 659 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 660 help 661 Enable support for the APM X-Gene SoC DMA engine. 662 663config XILINX_DMA 664 tristate "Xilinx AXI DMAS Engine" 665 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 666 select DMA_ENGINE 667 help 668 Enable support for Xilinx AXI VDMA Soft IP. 669 670 AXI VDMA engine provides high-bandwidth direct memory access 671 between memory and AXI4-Stream video type target 672 peripherals including peripherals which support AXI4- 673 Stream Video Protocol. It has two stream interfaces/ 674 channels, Memory Mapped to Stream (MM2S) and Stream to 675 Memory Mapped (S2MM) for the data transfers. 676 AXI CDMA engine provides high-bandwidth direct memory access 677 between a memory-mapped source address and a memory-mapped 678 destination address. 679 AXI DMA engine provides high-bandwidth one dimensional direct 680 memory access between memory and AXI4-Stream target peripherals. 681 AXI MCDMA engine provides high-bandwidth direct memory access 682 between memory and AXI4-Stream target peripherals. It provides 683 the scatter gather interface with multiple channels independent 684 configuration support. 685 686config XILINX_ZYNQMP_DMA 687 tristate "Xilinx ZynqMP DMA Engine" 688 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 689 select DMA_ENGINE 690 help 691 Enable support for Xilinx ZynqMP DMA controller. 692 693config XILINX_ZYNQMP_DPDMA 694 tristate "Xilinx DPDMA Engine" 695 select DMA_ENGINE 696 select DMA_VIRTUAL_CHANNELS 697 help 698 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 699 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 700 driver provides the dmaengine required by the DisplayPort subsystem 701 display driver. 702 703config ZX_DMA 704 tristate "ZTE ZX DMA support" 705 depends on ARCH_ZX || COMPILE_TEST 706 select DMA_ENGINE 707 select DMA_VIRTUAL_CHANNELS 708 help 709 Support the DMA engine for ZTE ZX family platform devices. 710 711 712# driver files 713source "drivers/dma/bestcomm/Kconfig" 714 715source "drivers/dma/mediatek/Kconfig" 716 717source "drivers/dma/qcom/Kconfig" 718 719source "drivers/dma/dw/Kconfig" 720 721source "drivers/dma/dw-edma/Kconfig" 722 723source "drivers/dma/hsu/Kconfig" 724 725source "drivers/dma/sf-pdma/Kconfig" 726 727source "drivers/dma/sh/Kconfig" 728 729source "drivers/dma/ti/Kconfig" 730 731source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 732 733# clients 734comment "DMA Clients" 735 depends on DMA_ENGINE 736 737config ASYNC_TX_DMA 738 bool "Async_tx: Offload support for the async_tx api" 739 depends on DMA_ENGINE 740 help 741 This allows the async_tx api to take advantage of offload engines for 742 memcpy, memset, xor, and raid6 p+q operations. If your platform has 743 a dma engine that can perform raid operations and you have enabled 744 MD_RAID456 say Y. 745 746 If unsure, say N. 747 748config DMATEST 749 tristate "DMA Test client" 750 depends on DMA_ENGINE 751 select DMA_ENGINE_RAID 752 help 753 Simple DMA test client. Say N unless you're debugging a 754 DMA Device driver. 755 756config DMA_ENGINE_RAID 757 bool 758 759endif 760