tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
fork atom
kernel / drivers / dma / Kconfig
at v5.11-rc2 769 lines 22 kB view raw
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. 298 299# Config symbol that collects all the dependencies that's necessary to 300# support shared virtual memory for the devices supported by idxd. 301config INTEL_IDXD_SVM 302 bool "Accelerator Shared Virtual Memory Support" 303 depends on INTEL_IDXD 304 depends on INTEL_IOMMU_SVM 305 depends on PCI_PRI 306 depends on PCI_PASID 307 depends on PCI_IOV 308 309config INTEL_IOATDMA 310 tristate "Intel I/OAT DMA support" 311 depends on PCI && X86_64 312 select DMA_ENGINE 313 select DMA_ENGINE_RAID 314 select DCA 315 help 316 Enable support for the Intel(R) I/OAT DMA engine present 317 in recent Intel Xeon chipsets. 318 319 Say Y here if you have such a chipset. 320 321 If unsure, say N. 322 323config INTEL_IOP_ADMA 324 tristate "Intel IOP32x ADMA support" 325 depends on ARCH_IOP32X || COMPILE_TEST 326 select DMA_ENGINE 327 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 328 help 329 Enable support for the Intel(R) IOP Series RAID engines. 330 331config K3_DMA 332 tristate "Hisilicon K3 DMA support" 333 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 334 select DMA_ENGINE 335 select DMA_VIRTUAL_CHANNELS 336 help 337 Support the DMA engine for Hisilicon K3 platform 338 devices. 339 340config LPC18XX_DMAMUX 341 bool "NXP LPC18xx/43xx DMA MUX for PL080" 342 depends on ARCH_LPC18XX || COMPILE_TEST 343 depends on OF && AMBA_PL08X 344 select MFD_SYSCON 345 help 346 Enable support for DMA on NXP LPC18xx/43xx platforms 347 with PL080 and multiplexed DMA request lines. 348 349config MCF_EDMA 350 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 351 depends on M5441x || COMPILE_TEST 352 select DMA_ENGINE 353 select DMA_VIRTUAL_CHANNELS 354 help 355 Support the Freescale ColdFire eDMA engine, 64-channel 356 implementation that performs complex data transfers with 357 minimal intervention from a host processor. 358 This module can be found on Freescale ColdFire mcf5441x SoCs. 359 360config MILBEAUT_HDMAC 361 tristate "Milbeaut AHB 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 HDMAC device. 369 370config MILBEAUT_XDMAC 371 tristate "Milbeaut AXI DMA support" 372 depends on ARCH_MILBEAUT || COMPILE_TEST 373 depends on OF 374 select DMA_ENGINE 375 select DMA_VIRTUAL_CHANNELS 376 help 377 Say yes here to support the Socionext Milbeaut 378 XDMAC device. 379 380config MMP_PDMA 381 bool "MMP PDMA support" 382 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 383 select DMA_ENGINE 384 help 385 Support the MMP PDMA engine for PXA and MMP platform. 386 387config MMP_TDMA 388 bool "MMP Two-Channel DMA support" 389 depends on ARCH_MMP || COMPILE_TEST 390 select DMA_ENGINE 391 select GENERIC_ALLOCATOR 392 help 393 Support the MMP Two-Channel DMA engine. 394 This engine used for MMP Audio DMA and pxa910 SQU. 395 396config MOXART_DMA 397 tristate "MOXART DMA support" 398 depends on ARCH_MOXART 399 select DMA_ENGINE 400 select DMA_VIRTUAL_CHANNELS 401 help 402 Enable support for the MOXA ART SoC DMA controller. 403 404 Say Y here if you enabled MMP ADMA, otherwise say N. 405 406config MPC512X_DMA 407 tristate "Freescale MPC512x built-in DMA engine support" 408 depends on PPC_MPC512x || PPC_MPC831x 409 select DMA_ENGINE 410 help 411 Enable support for the Freescale MPC512x built-in DMA engine. 412 413config MV_XOR 414 bool "Marvell XOR engine support" 415 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 416 select DMA_ENGINE 417 select DMA_ENGINE_RAID 418 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 419 help 420 Enable support for the Marvell XOR engine. 421 422config MV_XOR_V2 423 bool "Marvell XOR engine version 2 support " 424 depends on ARM64 425 select DMA_ENGINE 426 select DMA_ENGINE_RAID 427 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 428 select GENERIC_MSI_IRQ_DOMAIN 429 help 430 Enable support for the Marvell version 2 XOR engine. 431 432 This engine provides acceleration for copy, XOR and RAID6 433 operations, and is available on Marvell Armada 7K and 8K 434 platforms. 435 436config MXS_DMA 437 bool "MXS DMA support" 438 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 439 select STMP_DEVICE 440 select DMA_ENGINE 441 help 442 Support the MXS DMA engine. This engine including APBH-DMA 443 and APBX-DMA is integrated into some Freescale chips. 444 445config MX3_IPU 446 bool "MX3x Image Processing Unit support" 447 depends on ARCH_MXC 448 select DMA_ENGINE 449 default y 450 help 451 If you plan to use the Image Processing unit in the i.MX3x, say 452 Y here. If unsure, select Y. 453 454config MX3_IPU_IRQS 455 int "Number of dynamically mapped interrupts for IPU" 456 depends on MX3_IPU 457 range 2 137 458 default 4 459 help 460 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 461 To avoid bloating the irq_desc[] array we allocate a sufficient 462 number of IRQ slots and map them dynamically to specific sources. 463 464config NBPFAXI_DMA 465 tristate "Renesas Type-AXI NBPF DMA support" 466 select DMA_ENGINE 467 depends on ARM || COMPILE_TEST 468 help 469 Support for "Type-AXI" NBPF DMA IPs from Renesas 470 471config OWL_DMA 472 tristate "Actions Semi Owl SoCs DMA support" 473 depends on ARCH_ACTIONS 474 select DMA_ENGINE 475 select DMA_VIRTUAL_CHANNELS 476 help 477 Enable support for the Actions Semi Owl SoCs DMA controller. 478 479config PCH_DMA 480 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 481 depends on PCI && (X86_32 || COMPILE_TEST) 482 select DMA_ENGINE 483 help 484 Enable support for Intel EG20T PCH DMA engine. 485 486 This driver also can be used for LAPIS Semiconductor IOH(Input/ 487 Output Hub), ML7213, ML7223 and ML7831. 488 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 489 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 490 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 491 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 492 493config PL330_DMA 494 tristate "DMA API Driver for PL330" 495 select DMA_ENGINE 496 depends on ARM_AMBA 497 help 498 Select if your platform has one or more PL330 DMACs. 499 You need to provide platform specific settings via 500 platform_data for a dma-pl330 device. 501 502config PXA_DMA 503 bool "PXA DMA support" 504 depends on (ARCH_MMP || ARCH_PXA) 505 select DMA_ENGINE 506 select DMA_VIRTUAL_CHANNELS 507 help 508 Support the DMA engine for PXA. It is also compatible with MMP PDMA 509 platform. The internal DMA IP of all PXA variants is supported, with 510 16 to 32 channels for peripheral to memory or memory to memory 511 transfers. 512 513config PLX_DMA 514 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 515 depends on PCI 516 select DMA_ENGINE 517 help 518 Some PLX ExpressLane PCI Switches support additional DMA engines. 519 These are exposed via extra functions on the switch's 520 upstream port. Each function exposes one DMA channel. 521 522config SIRF_DMA 523 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 524 depends on ARCH_SIRF 525 select DMA_ENGINE 526 help 527 Enable support for the CSR SiRFprimaII DMA engine. 528 529config STE_DMA40 530 bool "ST-Ericsson DMA40 support" 531 depends on ARCH_U8500 532 select DMA_ENGINE 533 help 534 Support for ST-Ericsson DMA40 controller 535 536config ST_FDMA 537 tristate "ST FDMA dmaengine support" 538 depends on ARCH_STI 539 depends on REMOTEPROC 540 select ST_SLIM_REMOTEPROC 541 select DMA_ENGINE 542 select DMA_VIRTUAL_CHANNELS 543 help 544 Enable support for ST FDMA controller. 545 It supports 16 independent DMA channels, accepts up to 32 DMA requests 546 547 Say Y here if you have such a chipset. 548 If unsure, say N. 549 550config STM32_DMA 551 bool "STMicroelectronics STM32 DMA support" 552 depends on ARCH_STM32 || COMPILE_TEST 553 select DMA_ENGINE 554 select DMA_VIRTUAL_CHANNELS 555 help 556 Enable support for the on-chip DMA controller on STMicroelectronics 557 STM32 MCUs. 558 If you have a board based on such a MCU and wish to use DMA say Y 559 here. 560 561config STM32_DMAMUX 562 bool "STMicroelectronics STM32 dma multiplexer support" 563 depends on STM32_DMA || COMPILE_TEST 564 help 565 Enable support for the on-chip DMA multiplexer on STMicroelectronics 566 STM32 MCUs. 567 If you have a board based on such a MCU and wish to use DMAMUX say Y 568 here. 569 570config STM32_MDMA 571 bool "STMicroelectronics STM32 master dma support" 572 depends on ARCH_STM32 || COMPILE_TEST 573 depends on OF 574 select DMA_ENGINE 575 select DMA_VIRTUAL_CHANNELS 576 help 577 Enable support for the on-chip MDMA controller on STMicroelectronics 578 STM32 platforms. 579 If you have a board based on STM32 SoC and wish to use the master DMA 580 say Y here. 581 582config SPRD_DMA 583 tristate "Spreadtrum DMA support" 584 depends on ARCH_SPRD || COMPILE_TEST 585 select DMA_ENGINE 586 select DMA_VIRTUAL_CHANNELS 587 help 588 Enable support for the on-chip DMA controller on Spreadtrum platform. 589 590config S3C24XX_DMAC 591 bool "Samsung S3C24XX DMA support" 592 depends on ARCH_S3C24XX || COMPILE_TEST 593 select DMA_ENGINE 594 select DMA_VIRTUAL_CHANNELS 595 help 596 Support for the Samsung S3C24XX DMA controller driver. The 597 DMA controller is having multiple DMA channels which can be 598 configured for different peripherals like audio, UART, SPI. 599 The DMA controller can transfer data from memory to peripheral, 600 periphal to memory, periphal to periphal and memory to memory. 601 602config TXX9_DMAC 603 tristate "Toshiba TXx9 SoC DMA support" 604 depends on MACH_TX49XX || MACH_TX39XX 605 select DMA_ENGINE 606 help 607 Support the TXx9 SoC internal DMA controller. This can be 608 integrated in chips such as the Toshiba TX4927/38/39. 609 610config TEGRA20_APB_DMA 611 tristate "NVIDIA Tegra20 APB DMA support" 612 depends on ARCH_TEGRA || COMPILE_TEST 613 select DMA_ENGINE 614 help 615 Support for the NVIDIA Tegra20 APB DMA controller driver. The 616 DMA controller is having multiple DMA channel which can be 617 configured for different peripherals like audio, UART, SPI, 618 I2C etc which is in APB bus. 619 This DMA controller transfers data from memory to peripheral fifo 620 or vice versa. It does not support memory to memory data transfer. 621 622config TEGRA210_ADMA 623 tristate "NVIDIA Tegra210 ADMA support" 624 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 625 select DMA_ENGINE 626 select DMA_VIRTUAL_CHANNELS 627 help 628 Support for the NVIDIA Tegra210 ADMA controller driver. The 629 DMA controller has multiple DMA channels and is used to service 630 various audio clients in the Tegra210 audio processing engine 631 (APE). This DMA controller transfers data from memory to 632 peripheral and vice versa. It does not support memory to 633 memory data transfer. 634 635config TIMB_DMA 636 tristate "Timberdale FPGA DMA support" 637 depends on MFD_TIMBERDALE || COMPILE_TEST 638 select DMA_ENGINE 639 help 640 Enable support for the Timberdale FPGA DMA engine. 641 642config UNIPHIER_MDMAC 643 tristate "UniPhier MIO DMAC" 644 depends on ARCH_UNIPHIER || COMPILE_TEST 645 depends on OF 646 select DMA_ENGINE 647 select DMA_VIRTUAL_CHANNELS 648 help 649 Enable support for the MIO DMAC (Media I/O DMA controller) on the 650 UniPhier platform. This DMA controller is used as the external 651 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 652 653config UNIPHIER_XDMAC 654 tristate "UniPhier XDMAC support" 655 depends on ARCH_UNIPHIER || COMPILE_TEST 656 depends on OF 657 select DMA_ENGINE 658 select DMA_VIRTUAL_CHANNELS 659 help 660 Enable support for the XDMAC (external DMA controller) on the 661 UniPhier platform. This DMA controller can transfer data from 662 memory to memory, memory to peripheral and peripheral to memory. 663 664config XGENE_DMA 665 tristate "APM X-Gene DMA support" 666 depends on ARCH_XGENE || COMPILE_TEST 667 select DMA_ENGINE 668 select DMA_ENGINE_RAID 669 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 670 help 671 Enable support for the APM X-Gene SoC DMA engine. 672 673config XILINX_DMA 674 tristate "Xilinx AXI DMAS Engine" 675 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 676 select DMA_ENGINE 677 help 678 Enable support for Xilinx AXI VDMA Soft IP. 679 680 AXI VDMA engine provides high-bandwidth direct memory access 681 between memory and AXI4-Stream video type target 682 peripherals including peripherals which support AXI4- 683 Stream Video Protocol. It has two stream interfaces/ 684 channels, Memory Mapped to Stream (MM2S) and Stream to 685 Memory Mapped (S2MM) for the data transfers. 686 AXI CDMA engine provides high-bandwidth direct memory access 687 between a memory-mapped source address and a memory-mapped 688 destination address. 689 AXI DMA engine provides high-bandwidth one dimensional direct 690 memory access between memory and AXI4-Stream target peripherals. 691 AXI MCDMA engine provides high-bandwidth direct memory access 692 between memory and AXI4-Stream target peripherals. It provides 693 the scatter gather interface with multiple channels independent 694 configuration support. 695 696config XILINX_ZYNQMP_DMA 697 tristate "Xilinx ZynqMP DMA Engine" 698 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 699 select DMA_ENGINE 700 help 701 Enable support for Xilinx ZynqMP DMA controller. 702 703config XILINX_ZYNQMP_DPDMA 704 tristate "Xilinx DPDMA Engine" 705 select DMA_ENGINE 706 select DMA_VIRTUAL_CHANNELS 707 help 708 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 709 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 710 driver provides the dmaengine required by the DisplayPort subsystem 711 display driver. 712 713config ZX_DMA 714 tristate "ZTE ZX DMA support" 715 depends on ARCH_ZX || COMPILE_TEST 716 select DMA_ENGINE 717 select DMA_VIRTUAL_CHANNELS 718 help 719 Support the DMA engine for ZTE ZX family platform devices. 720 721 722# driver files 723source "drivers/dma/bestcomm/Kconfig" 724 725source "drivers/dma/mediatek/Kconfig" 726 727source "drivers/dma/qcom/Kconfig" 728 729source "drivers/dma/dw/Kconfig" 730 731source "drivers/dma/dw-edma/Kconfig" 732 733source "drivers/dma/hsu/Kconfig" 734 735source "drivers/dma/sf-pdma/Kconfig" 736 737source "drivers/dma/sh/Kconfig" 738 739source "drivers/dma/ti/Kconfig" 740 741source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 742 743# clients 744comment "DMA Clients" 745 depends on DMA_ENGINE 746 747config ASYNC_TX_DMA 748 bool "Async_tx: Offload support for the async_tx api" 749 depends on DMA_ENGINE 750 help 751 This allows the async_tx api to take advantage of offload engines for 752 memcpy, memset, xor, and raid6 p+q operations. If your platform has 753 a dma engine that can perform raid operations and you have enabled 754 MD_RAID456 say Y. 755 756 If unsure, say N. 757 758config DMATEST 759 tristate "DMA Test client" 760 depends on DMA_ENGINE 761 select DMA_ENGINE_RAID 762 help 763 Simple DMA test client. Say N unless you're debugging a 764 DMA Device driver. 765 766config DMA_ENGINE_RAID 767 bool 768 769endif