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 v5.13-rc2 761 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_INTEL_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 DMA_BCM2835 128 tristate "BCM2835 DMA engine support" 129 depends on ARCH_BCM2835 130 select DMA_ENGINE 131 select DMA_VIRTUAL_CHANNELS 132 133config DMA_JZ4780 134 tristate "JZ4780 DMA support" 135 depends on MIPS || COMPILE_TEST 136 select DMA_ENGINE 137 select DMA_VIRTUAL_CHANNELS 138 help 139 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 140 If you have a board based on such a SoC and wish to use DMA for 141 devices which can use the DMA controller, say Y or M here. 142 143config DMA_SA11X0 144 tristate "SA-11x0 DMA support" 145 depends on ARCH_SA1100 || COMPILE_TEST 146 select DMA_ENGINE 147 select DMA_VIRTUAL_CHANNELS 148 help 149 Support the DMA engine found on Intel StrongARM SA-1100 and 150 SA-1110 SoCs. This DMA engine can only be used with on-chip 151 devices. 152 153config DMA_SUN4I 154 tristate "Allwinner A10 DMA SoCs support" 155 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 156 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 157 select DMA_ENGINE 158 select DMA_VIRTUAL_CHANNELS 159 help 160 Enable support for the DMA controller present in the sun4i, 161 sun5i and sun7i Allwinner ARM SoCs. 162 163config DMA_SUN6I 164 tristate "Allwinner A31 SoCs DMA support" 165 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 166 depends on RESET_CONTROLLER 167 select DMA_ENGINE 168 select DMA_VIRTUAL_CHANNELS 169 help 170 Support for the DMA engine first found in Allwinner A31 SoCs. 171 172config DW_AXI_DMAC 173 tristate "Synopsys DesignWare AXI DMA support" 174 depends on OF || COMPILE_TEST 175 depends on HAS_IOMEM 176 select DMA_ENGINE 177 select DMA_VIRTUAL_CHANNELS 178 help 179 Enable support for Synopsys DesignWare AXI DMA controller. 180 NOTE: This driver wasn't tested on 64 bit platform because 181 of lack 64 bit platform with Synopsys DW AXI DMAC. 182 183config EP93XX_DMA 184 bool "Cirrus Logic EP93xx DMA support" 185 depends on ARCH_EP93XX || COMPILE_TEST 186 select DMA_ENGINE 187 help 188 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 189 190config FSL_DMA 191 tristate "Freescale Elo series DMA support" 192 depends on FSL_SOC 193 select DMA_ENGINE 194 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 195 help 196 Enable support for the Freescale Elo series DMA controllers. 197 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 198 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 199 some Txxx and Bxxx parts. 200 201config FSL_EDMA 202 tristate "Freescale eDMA engine support" 203 depends on OF 204 select DMA_ENGINE 205 select DMA_VIRTUAL_CHANNELS 206 help 207 Support the Freescale eDMA engine with programmable channel 208 multiplexing capability for DMA request sources(slot). 209 This module can be found on Freescale Vybrid and LS-1 SoCs. 210 211config FSL_QDMA 212 tristate "NXP Layerscape qDMA engine support" 213 depends on ARM || ARM64 214 select DMA_ENGINE 215 select DMA_VIRTUAL_CHANNELS 216 select DMA_ENGINE_RAID 217 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 218 help 219 Support the NXP Layerscape qDMA engine with command queue and legacy mode. 220 Channel virtualization is supported through enqueuing of DMA jobs to, 221 or dequeuing DMA jobs from, different work queues. 222 This module can be found on NXP Layerscape SoCs. 223 The qdma driver only work on SoCs with a DPAA hardware block. 224 225config FSL_RAID 226 tristate "Freescale RAID engine Support" 227 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 228 select DMA_ENGINE 229 select DMA_ENGINE_RAID 230 help 231 Enable support for Freescale RAID Engine. RAID Engine is 232 available on some QorIQ SoCs (like P5020/P5040). It has 233 the capability to offload memcpy, xor and pq computation 234 for raid5/6. 235 236config HISI_DMA 237 tristate "HiSilicon DMA Engine support" 238 depends on ARM64 || COMPILE_TEST 239 depends on PCI_MSI 240 select DMA_ENGINE 241 select DMA_VIRTUAL_CHANNELS 242 help 243 Support HiSilicon Kunpeng DMA engine. 244 245config IMG_MDC_DMA 246 tristate "IMG MDC support" 247 depends on MIPS || COMPILE_TEST 248 depends on MFD_SYSCON 249 select DMA_ENGINE 250 select DMA_VIRTUAL_CHANNELS 251 help 252 Enable support for the IMG multi-threaded DMA controller (MDC). 253 254config IMX_DMA 255 tristate "i.MX DMA support" 256 depends on ARCH_MXC 257 select DMA_ENGINE 258 help 259 Support the i.MX DMA engine. This engine is integrated into 260 Freescale i.MX1/21/27 chips. 261 262config IMX_SDMA 263 tristate "i.MX SDMA support" 264 depends on ARCH_MXC 265 select DMA_ENGINE 266 select DMA_VIRTUAL_CHANNELS 267 help 268 Support the i.MX SDMA engine. This engine is integrated into 269 Freescale i.MX25/31/35/51/53/6 chips. 270 271config INTEL_IDMA64 272 tristate "Intel integrated DMA 64-bit support" 273 select DMA_ENGINE 274 select DMA_VIRTUAL_CHANNELS 275 help 276 Enable DMA support for Intel Low Power Subsystem such as found on 277 Intel Skylake PCH. 278 279config INTEL_IDXD 280 tristate "Intel Data Accelerators support" 281 depends on PCI && X86_64 282 depends on PCI_MSI 283 depends on SBITMAP 284 select DMA_ENGINE 285 help 286 Enable support for the Intel(R) data accelerators present 287 in Intel Xeon CPU. 288 289 Say Y if you have such a platform. 290 291 If unsure, say N. 292 293# Config symbol that collects all the dependencies that's necessary to 294# support shared virtual memory for the devices supported by idxd. 295config INTEL_IDXD_SVM 296 bool "Accelerator Shared Virtual Memory Support" 297 depends on INTEL_IDXD 298 depends on INTEL_IOMMU_SVM 299 depends on PCI_PRI 300 depends on PCI_PASID 301 depends on PCI_IOV 302 303config INTEL_IDXD_PERFMON 304 bool "Intel Data Accelerators performance monitor support" 305 depends on INTEL_IDXD 306 help 307 Enable performance monitor (pmu) support for the Intel(R) 308 data accelerators present in Intel Xeon CPU. With this 309 enabled, perf can be used to monitor the DSA (Intel Data 310 Streaming Accelerator) events described in the Intel DSA 311 spec. 312 313 If unsure, say N. 314 315config INTEL_IOATDMA 316 tristate "Intel I/OAT DMA support" 317 depends on PCI && X86_64 318 select DMA_ENGINE 319 select DMA_ENGINE_RAID 320 select DCA 321 help 322 Enable support for the Intel(R) I/OAT DMA engine present 323 in recent Intel Xeon chipsets. 324 325 Say Y here if you have such a chipset. 326 327 If unsure, say N. 328 329config INTEL_IOP_ADMA 330 tristate "Intel IOP32x ADMA support" 331 depends on ARCH_IOP32X || COMPILE_TEST 332 select DMA_ENGINE 333 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 334 help 335 Enable support for the Intel(R) IOP Series RAID engines. 336 337config K3_DMA 338 tristate "Hisilicon K3 DMA support" 339 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 340 select DMA_ENGINE 341 select DMA_VIRTUAL_CHANNELS 342 help 343 Support the DMA engine for Hisilicon K3 platform 344 devices. 345 346config LPC18XX_DMAMUX 347 bool "NXP LPC18xx/43xx DMA MUX for PL080" 348 depends on ARCH_LPC18XX || COMPILE_TEST 349 depends on OF && AMBA_PL08X 350 select MFD_SYSCON 351 help 352 Enable support for DMA on NXP LPC18xx/43xx platforms 353 with PL080 and multiplexed DMA request lines. 354 355config MCF_EDMA 356 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 357 depends on M5441x || COMPILE_TEST 358 select DMA_ENGINE 359 select DMA_VIRTUAL_CHANNELS 360 help 361 Support the Freescale ColdFire eDMA engine, 64-channel 362 implementation that performs complex data transfers with 363 minimal intervention from a host processor. 364 This module can be found on Freescale ColdFire mcf5441x SoCs. 365 366config MILBEAUT_HDMAC 367 tristate "Milbeaut AHB DMA support" 368 depends on ARCH_MILBEAUT || COMPILE_TEST 369 depends on OF 370 select DMA_ENGINE 371 select DMA_VIRTUAL_CHANNELS 372 help 373 Say yes here to support the Socionext Milbeaut 374 HDMAC device. 375 376config MILBEAUT_XDMAC 377 tristate "Milbeaut AXI DMA support" 378 depends on ARCH_MILBEAUT || COMPILE_TEST 379 depends on OF 380 select DMA_ENGINE 381 select DMA_VIRTUAL_CHANNELS 382 help 383 Say yes here to support the Socionext Milbeaut 384 XDMAC device. 385 386config MMP_PDMA 387 tristate "MMP PDMA support" 388 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 389 select DMA_ENGINE 390 help 391 Support the MMP PDMA engine for PXA and MMP platform. 392 393config MMP_TDMA 394 tristate "MMP Two-Channel DMA support" 395 depends on ARCH_MMP || COMPILE_TEST 396 select DMA_ENGINE 397 select GENERIC_ALLOCATOR 398 help 399 Support the MMP Two-Channel DMA engine. 400 This engine used for MMP Audio DMA and pxa910 SQU. 401 402config MOXART_DMA 403 tristate "MOXART DMA support" 404 depends on ARCH_MOXART 405 select DMA_ENGINE 406 select DMA_VIRTUAL_CHANNELS 407 help 408 Enable support for the MOXA ART SoC DMA controller. 409 410 Say Y here if you enabled MMP ADMA, otherwise say N. 411 412config MPC512X_DMA 413 tristate "Freescale MPC512x built-in DMA engine support" 414 depends on PPC_MPC512x || PPC_MPC831x 415 select DMA_ENGINE 416 help 417 Enable support for the Freescale MPC512x built-in DMA engine. 418 419config MV_XOR 420 bool "Marvell XOR engine support" 421 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 422 select DMA_ENGINE 423 select DMA_ENGINE_RAID 424 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 425 help 426 Enable support for the Marvell XOR engine. 427 428config MV_XOR_V2 429 bool "Marvell XOR engine version 2 support " 430 depends on ARM64 431 select DMA_ENGINE 432 select DMA_ENGINE_RAID 433 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 434 select GENERIC_MSI_IRQ_DOMAIN 435 help 436 Enable support for the Marvell version 2 XOR engine. 437 438 This engine provides acceleration for copy, XOR and RAID6 439 operations, and is available on Marvell Armada 7K and 8K 440 platforms. 441 442config MXS_DMA 443 bool "MXS DMA support" 444 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 445 select STMP_DEVICE 446 select DMA_ENGINE 447 help 448 Support the MXS DMA engine. This engine including APBH-DMA 449 and APBX-DMA is integrated into some Freescale chips. 450 451config MX3_IPU 452 bool "MX3x Image Processing Unit support" 453 depends on ARCH_MXC 454 select DMA_ENGINE 455 default y 456 help 457 If you plan to use the Image Processing unit in the i.MX3x, say 458 Y here. If unsure, select Y. 459 460config MX3_IPU_IRQS 461 int "Number of dynamically mapped interrupts for IPU" 462 depends on MX3_IPU 463 range 2 137 464 default 4 465 help 466 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 467 To avoid bloating the irq_desc[] array we allocate a sufficient 468 number of IRQ slots and map them dynamically to specific sources. 469 470config NBPFAXI_DMA 471 tristate "Renesas Type-AXI NBPF DMA support" 472 select DMA_ENGINE 473 depends on ARM || COMPILE_TEST 474 help 475 Support for "Type-AXI" NBPF DMA IPs from Renesas 476 477config OWL_DMA 478 tristate "Actions Semi Owl SoCs DMA support" 479 depends on ARCH_ACTIONS 480 select DMA_ENGINE 481 select DMA_VIRTUAL_CHANNELS 482 help 483 Enable support for the Actions Semi Owl SoCs DMA controller. 484 485config PCH_DMA 486 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 487 depends on PCI && (X86_32 || COMPILE_TEST) 488 select DMA_ENGINE 489 help 490 Enable support for Intel EG20T PCH DMA engine. 491 492 This driver also can be used for LAPIS Semiconductor IOH(Input/ 493 Output Hub), ML7213, ML7223 and ML7831. 494 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 495 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 496 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 497 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 498 499config PL330_DMA 500 tristate "DMA API Driver for PL330" 501 select DMA_ENGINE 502 depends on ARM_AMBA 503 help 504 Select if your platform has one or more PL330 DMACs. 505 You need to provide platform specific settings via 506 platform_data for a dma-pl330 device. 507 508config PXA_DMA 509 bool "PXA DMA support" 510 depends on (ARCH_MMP || ARCH_PXA) 511 select DMA_ENGINE 512 select DMA_VIRTUAL_CHANNELS 513 help 514 Support the DMA engine for PXA. It is also compatible with MMP PDMA 515 platform. The internal DMA IP of all PXA variants is supported, with 516 16 to 32 channels for peripheral to memory or memory to memory 517 transfers. 518 519config PLX_DMA 520 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 521 depends on PCI 522 select DMA_ENGINE 523 help 524 Some PLX ExpressLane PCI Switches support additional DMA engines. 525 These are exposed via extra functions on the switch's 526 upstream port. Each function exposes one DMA channel. 527 528config STE_DMA40 529 bool "ST-Ericsson DMA40 support" 530 depends on ARCH_U8500 531 select DMA_ENGINE 532 help 533 Support for ST-Ericsson DMA40 controller 534 535config ST_FDMA 536 tristate "ST FDMA dmaengine support" 537 depends on ARCH_STI 538 depends on REMOTEPROC 539 select ST_SLIM_REMOTEPROC 540 select DMA_ENGINE 541 select DMA_VIRTUAL_CHANNELS 542 help 543 Enable support for ST FDMA controller. 544 It supports 16 independent DMA channels, accepts up to 32 DMA requests 545 546 Say Y here if you have such a chipset. 547 If unsure, say N. 548 549config STM32_DMA 550 bool "STMicroelectronics STM32 DMA support" 551 depends on ARCH_STM32 || COMPILE_TEST 552 select DMA_ENGINE 553 select DMA_VIRTUAL_CHANNELS 554 help 555 Enable support for the on-chip DMA controller on STMicroelectronics 556 STM32 MCUs. 557 If you have a board based on such a MCU and wish to use DMA say Y 558 here. 559 560config STM32_DMAMUX 561 bool "STMicroelectronics STM32 dma multiplexer support" 562 depends on STM32_DMA || COMPILE_TEST 563 help 564 Enable support for the on-chip DMA multiplexer on STMicroelectronics 565 STM32 MCUs. 566 If you have a board based on such a MCU and wish to use DMAMUX say Y 567 here. 568 569config STM32_MDMA 570 bool "STMicroelectronics STM32 master dma support" 571 depends on ARCH_STM32 || COMPILE_TEST 572 depends on OF 573 select DMA_ENGINE 574 select DMA_VIRTUAL_CHANNELS 575 help 576 Enable support for the on-chip MDMA controller on STMicroelectronics 577 STM32 platforms. 578 If you have a board based on STM32 SoC and wish to use the master DMA 579 say Y here. 580 581config SPRD_DMA 582 tristate "Spreadtrum DMA support" 583 depends on ARCH_SPRD || COMPILE_TEST 584 select DMA_ENGINE 585 select DMA_VIRTUAL_CHANNELS 586 help 587 Enable support for the on-chip DMA controller on Spreadtrum platform. 588 589config S3C24XX_DMAC 590 bool "Samsung S3C24XX DMA support" 591 depends on ARCH_S3C24XX || COMPILE_TEST 592 select DMA_ENGINE 593 select DMA_VIRTUAL_CHANNELS 594 help 595 Support for the Samsung S3C24XX DMA controller driver. The 596 DMA controller is having multiple DMA channels which can be 597 configured for different peripherals like audio, UART, SPI. 598 The DMA controller can transfer data from memory to peripheral, 599 periphal to memory, periphal to periphal and memory to memory. 600 601config TXX9_DMAC 602 tristate "Toshiba TXx9 SoC DMA support" 603 depends on MACH_TX49XX || MACH_TX39XX 604 select DMA_ENGINE 605 help 606 Support the TXx9 SoC internal DMA controller. This can be 607 integrated in chips such as the Toshiba TX4927/38/39. 608 609config TEGRA20_APB_DMA 610 tristate "NVIDIA Tegra20 APB DMA support" 611 depends on ARCH_TEGRA || COMPILE_TEST 612 select DMA_ENGINE 613 help 614 Support for the NVIDIA Tegra20 APB DMA controller driver. The 615 DMA controller is having multiple DMA channel which can be 616 configured for different peripherals like audio, UART, SPI, 617 I2C etc which is in APB bus. 618 This DMA controller transfers data from memory to peripheral fifo 619 or vice versa. It does not support memory to memory data transfer. 620 621config TEGRA210_ADMA 622 tristate "NVIDIA Tegra210 ADMA support" 623 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 624 select DMA_ENGINE 625 select DMA_VIRTUAL_CHANNELS 626 help 627 Support for the NVIDIA Tegra210 ADMA controller driver. The 628 DMA controller has multiple DMA channels and is used to service 629 various audio clients in the Tegra210 audio processing engine 630 (APE). This DMA controller transfers data from memory to 631 peripheral and vice versa. It does not support memory to 632 memory data transfer. 633 634config TIMB_DMA 635 tristate "Timberdale FPGA DMA support" 636 depends on MFD_TIMBERDALE || COMPILE_TEST 637 select DMA_ENGINE 638 help 639 Enable support for the Timberdale FPGA DMA engine. 640 641config UNIPHIER_MDMAC 642 tristate "UniPhier MIO DMAC" 643 depends on ARCH_UNIPHIER || COMPILE_TEST 644 depends on OF 645 select DMA_ENGINE 646 select DMA_VIRTUAL_CHANNELS 647 help 648 Enable support for the MIO DMAC (Media I/O DMA controller) on the 649 UniPhier platform. This DMA controller is used as the external 650 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 651 652config UNIPHIER_XDMAC 653 tristate "UniPhier XDMAC support" 654 depends on ARCH_UNIPHIER || COMPILE_TEST 655 depends on OF 656 select DMA_ENGINE 657 select DMA_VIRTUAL_CHANNELS 658 help 659 Enable support for the XDMAC (external DMA controller) on the 660 UniPhier platform. This DMA controller can transfer data from 661 memory to memory, memory to peripheral and peripheral to memory. 662 663config XGENE_DMA 664 tristate "APM X-Gene DMA support" 665 depends on ARCH_XGENE || COMPILE_TEST 666 select DMA_ENGINE 667 select DMA_ENGINE_RAID 668 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 669 help 670 Enable support for the APM X-Gene SoC DMA engine. 671 672config XILINX_DMA 673 tristate "Xilinx AXI DMAS Engine" 674 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 675 select DMA_ENGINE 676 help 677 Enable support for Xilinx AXI VDMA Soft IP. 678 679 AXI VDMA engine provides high-bandwidth direct memory access 680 between memory and AXI4-Stream video type target 681 peripherals including peripherals which support AXI4- 682 Stream Video Protocol. It has two stream interfaces/ 683 channels, Memory Mapped to Stream (MM2S) and Stream to 684 Memory Mapped (S2MM) for the data transfers. 685 AXI CDMA engine provides high-bandwidth direct memory access 686 between a memory-mapped source address and a memory-mapped 687 destination address. 688 AXI DMA engine provides high-bandwidth one dimensional direct 689 memory access between memory and AXI4-Stream target peripherals. 690 AXI MCDMA engine provides high-bandwidth direct memory access 691 between memory and AXI4-Stream target peripherals. It provides 692 the scatter gather interface with multiple channels independent 693 configuration support. 694 695config XILINX_ZYNQMP_DMA 696 tristate "Xilinx ZynqMP DMA Engine" 697 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 698 select DMA_ENGINE 699 help 700 Enable support for Xilinx ZynqMP DMA controller. 701 702config XILINX_ZYNQMP_DPDMA 703 tristate "Xilinx DPDMA Engine" 704 select DMA_ENGINE 705 select DMA_VIRTUAL_CHANNELS 706 help 707 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 708 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 709 driver provides the dmaengine required by the DisplayPort subsystem 710 display driver. 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 733source "drivers/dma/lgm/Kconfig" 734 735# clients 736comment "DMA Clients" 737 depends on DMA_ENGINE 738 739config ASYNC_TX_DMA 740 bool "Async_tx: Offload support for the async_tx api" 741 depends on DMA_ENGINE 742 help 743 This allows the async_tx api to take advantage of offload engines for 744 memcpy, memset, xor, and raid6 p+q operations. If your platform has 745 a dma engine that can perform raid operations and you have enabled 746 MD_RAID456 say Y. 747 748 If unsure, say N. 749 750config DMATEST 751 tristate "DMA Test client" 752 depends on DMA_ENGINE 753 select DMA_ENGINE_RAID 754 help 755 Simple DMA test client. Say N unless you're debugging a 756 DMA Device driver. 757 758config DMA_ENGINE_RAID 759 bool 760 761endif