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 INTEL_MIC_X100_DMA 322 tristate "Intel MIC X100 DMA Driver" 323 depends on 64BIT && X86 && INTEL_MIC_BUS 324 select DMA_ENGINE 325 help 326 This enables DMA support for the Intel Many Integrated Core 327 (MIC) family of PCIe form factor coprocessor X100 devices that 328 run a 64 bit Linux OS. This driver will be used by both MIC 329 host and card drivers. 330 331 If you are building host kernel with a MIC device or a card 332 kernel for a MIC device, then say M (recommended) or Y, else 333 say N. If unsure say N. 334 335 More information about the Intel MIC family as well as the Linux 336 OS and tools for MIC to use with this driver are available from 337 <http://software.intel.com/en-us/mic-developer>. 338 339config K3_DMA 340 tristate "Hisilicon K3 DMA support" 341 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 342 select DMA_ENGINE 343 select DMA_VIRTUAL_CHANNELS 344 help 345 Support the DMA engine for Hisilicon K3 platform 346 devices. 347 348config LPC18XX_DMAMUX 349 bool "NXP LPC18xx/43xx DMA MUX for PL080" 350 depends on ARCH_LPC18XX || COMPILE_TEST 351 depends on OF && AMBA_PL08X 352 select MFD_SYSCON 353 help 354 Enable support for DMA on NXP LPC18xx/43xx platforms 355 with PL080 and multiplexed DMA request lines. 356 357config MCF_EDMA 358 tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs" 359 depends on M5441x || COMPILE_TEST 360 select DMA_ENGINE 361 select DMA_VIRTUAL_CHANNELS 362 help 363 Support the Freescale ColdFire eDMA engine, 64-channel 364 implementation that performs complex data transfers with 365 minimal intervention from a host processor. 366 This module can be found on Freescale ColdFire mcf5441x SoCs. 367 368config MILBEAUT_HDMAC 369 tristate "Milbeaut AHB DMA support" 370 depends on ARCH_MILBEAUT || COMPILE_TEST 371 depends on OF 372 select DMA_ENGINE 373 select DMA_VIRTUAL_CHANNELS 374 help 375 Say yes here to support the Socionext Milbeaut 376 HDMAC device. 377 378config MILBEAUT_XDMAC 379 tristate "Milbeaut AXI DMA support" 380 depends on ARCH_MILBEAUT || COMPILE_TEST 381 depends on OF 382 select DMA_ENGINE 383 select DMA_VIRTUAL_CHANNELS 384 help 385 Say yes here to support the Socionext Milbeaut 386 XDMAC device. 387 388config MMP_PDMA 389 bool "MMP PDMA support" 390 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 391 select DMA_ENGINE 392 help 393 Support the MMP PDMA engine for PXA and MMP platform. 394 395config MMP_TDMA 396 bool "MMP Two-Channel DMA support" 397 depends on ARCH_MMP || COMPILE_TEST 398 select DMA_ENGINE 399 select GENERIC_ALLOCATOR 400 help 401 Support the MMP Two-Channel DMA engine. 402 This engine used for MMP Audio DMA and pxa910 SQU. 403 404config MOXART_DMA 405 tristate "MOXART DMA support" 406 depends on ARCH_MOXART 407 select DMA_ENGINE 408 select DMA_VIRTUAL_CHANNELS 409 help 410 Enable support for the MOXA ART SoC DMA controller. 411 412 Say Y here if you enabled MMP ADMA, otherwise say N. 413 414config MPC512X_DMA 415 tristate "Freescale MPC512x built-in DMA engine support" 416 depends on PPC_MPC512x || PPC_MPC831x 417 select DMA_ENGINE 418 help 419 Enable support for the Freescale MPC512x built-in DMA engine. 420 421config MV_XOR 422 bool "Marvell XOR engine support" 423 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 424 select DMA_ENGINE 425 select DMA_ENGINE_RAID 426 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 427 help 428 Enable support for the Marvell XOR engine. 429 430config MV_XOR_V2 431 bool "Marvell XOR engine version 2 support " 432 depends on ARM64 433 select DMA_ENGINE 434 select DMA_ENGINE_RAID 435 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 436 select GENERIC_MSI_IRQ_DOMAIN 437 help 438 Enable support for the Marvell version 2 XOR engine. 439 440 This engine provides acceleration for copy, XOR and RAID6 441 operations, and is available on Marvell Armada 7K and 8K 442 platforms. 443 444config MXS_DMA 445 bool "MXS DMA support" 446 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 447 select STMP_DEVICE 448 select DMA_ENGINE 449 help 450 Support the MXS DMA engine. This engine including APBH-DMA 451 and APBX-DMA is integrated into some Freescale chips. 452 453config MX3_IPU 454 bool "MX3x Image Processing Unit support" 455 depends on ARCH_MXC 456 select DMA_ENGINE 457 default y 458 help 459 If you plan to use the Image Processing unit in the i.MX3x, say 460 Y here. If unsure, select Y. 461 462config MX3_IPU_IRQS 463 int "Number of dynamically mapped interrupts for IPU" 464 depends on MX3_IPU 465 range 2 137 466 default 4 467 help 468 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 469 To avoid bloating the irq_desc[] array we allocate a sufficient 470 number of IRQ slots and map them dynamically to specific sources. 471 472config NBPFAXI_DMA 473 tristate "Renesas Type-AXI NBPF DMA support" 474 select DMA_ENGINE 475 depends on ARM || COMPILE_TEST 476 help 477 Support for "Type-AXI" NBPF DMA IPs from Renesas 478 479config OWL_DMA 480 tristate "Actions Semi Owl SoCs DMA support" 481 depends on ARCH_ACTIONS 482 select DMA_ENGINE 483 select DMA_VIRTUAL_CHANNELS 484 help 485 Enable support for the Actions Semi Owl SoCs DMA controller. 486 487config PCH_DMA 488 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 489 depends on PCI && (X86_32 || COMPILE_TEST) 490 select DMA_ENGINE 491 help 492 Enable support for Intel EG20T PCH DMA engine. 493 494 This driver also can be used for LAPIS Semiconductor IOH(Input/ 495 Output Hub), ML7213, ML7223 and ML7831. 496 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 497 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 498 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 499 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 500 501config PL330_DMA 502 tristate "DMA API Driver for PL330" 503 select DMA_ENGINE 504 depends on ARM_AMBA 505 help 506 Select if your platform has one or more PL330 DMACs. 507 You need to provide platform specific settings via 508 platform_data for a dma-pl330 device. 509 510config PXA_DMA 511 bool "PXA DMA support" 512 depends on (ARCH_MMP || ARCH_PXA) 513 select DMA_ENGINE 514 select DMA_VIRTUAL_CHANNELS 515 help 516 Support the DMA engine for PXA. It is also compatible with MMP PDMA 517 platform. The internal DMA IP of all PXA variants is supported, with 518 16 to 32 channels for peripheral to memory or memory to memory 519 transfers. 520 521config PLX_DMA 522 tristate "PLX ExpressLane PEX Switch DMA Engine Support" 523 depends on PCI 524 select DMA_ENGINE 525 help 526 Some PLX ExpressLane PCI Switches support additional DMA engines. 527 These are exposed via extra functions on the switch's 528 upstream port. Each function exposes one DMA channel. 529 530config SIRF_DMA 531 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 532 depends on ARCH_SIRF 533 select DMA_ENGINE 534 help 535 Enable support for the CSR SiRFprimaII DMA engine. 536 537config STE_DMA40 538 bool "ST-Ericsson DMA40 support" 539 depends on ARCH_U8500 540 select DMA_ENGINE 541 help 542 Support for ST-Ericsson DMA40 controller 543 544config ST_FDMA 545 tristate "ST FDMA dmaengine support" 546 depends on ARCH_STI 547 depends on REMOTEPROC 548 select ST_SLIM_REMOTEPROC 549 select DMA_ENGINE 550 select DMA_VIRTUAL_CHANNELS 551 help 552 Enable support for ST FDMA controller. 553 It supports 16 independent DMA channels, accepts up to 32 DMA requests 554 555 Say Y here if you have such a chipset. 556 If unsure, say N. 557 558config STM32_DMA 559 bool "STMicroelectronics STM32 DMA support" 560 depends on ARCH_STM32 || COMPILE_TEST 561 select DMA_ENGINE 562 select DMA_VIRTUAL_CHANNELS 563 help 564 Enable support for the on-chip DMA controller on STMicroelectronics 565 STM32 MCUs. 566 If you have a board based on such a MCU and wish to use DMA say Y 567 here. 568 569config STM32_DMAMUX 570 bool "STMicroelectronics STM32 dma multiplexer support" 571 depends on STM32_DMA || COMPILE_TEST 572 help 573 Enable support for the on-chip DMA multiplexer on STMicroelectronics 574 STM32 MCUs. 575 If you have a board based on such a MCU and wish to use DMAMUX say Y 576 here. 577 578config STM32_MDMA 579 bool "STMicroelectronics STM32 master dma support" 580 depends on ARCH_STM32 || COMPILE_TEST 581 depends on OF 582 select DMA_ENGINE 583 select DMA_VIRTUAL_CHANNELS 584 help 585 Enable support for the on-chip MDMA controller on STMicroelectronics 586 STM32 platforms. 587 If you have a board based on STM32 SoC and wish to use the master DMA 588 say Y here. 589 590config SPRD_DMA 591 tristate "Spreadtrum DMA support" 592 depends on ARCH_SPRD || COMPILE_TEST 593 select DMA_ENGINE 594 select DMA_VIRTUAL_CHANNELS 595 help 596 Enable support for the on-chip DMA controller on Spreadtrum platform. 597 598config S3C24XX_DMAC 599 bool "Samsung S3C24XX DMA support" 600 depends on ARCH_S3C24XX || COMPILE_TEST 601 select DMA_ENGINE 602 select DMA_VIRTUAL_CHANNELS 603 help 604 Support for the Samsung S3C24XX DMA controller driver. The 605 DMA controller is having multiple DMA channels which can be 606 configured for different peripherals like audio, UART, SPI. 607 The DMA controller can transfer data from memory to peripheral, 608 periphal to memory, periphal to periphal and memory to memory. 609 610config TXX9_DMAC 611 tristate "Toshiba TXx9 SoC DMA support" 612 depends on MACH_TX49XX || MACH_TX39XX 613 select DMA_ENGINE 614 help 615 Support the TXx9 SoC internal DMA controller. This can be 616 integrated in chips such as the Toshiba TX4927/38/39. 617 618config TEGRA20_APB_DMA 619 tristate "NVIDIA Tegra20 APB DMA support" 620 depends on ARCH_TEGRA || COMPILE_TEST 621 select DMA_ENGINE 622 help 623 Support for the NVIDIA Tegra20 APB DMA controller driver. The 624 DMA controller is having multiple DMA channel which can be 625 configured for different peripherals like audio, UART, SPI, 626 I2C etc which is in APB bus. 627 This DMA controller transfers data from memory to peripheral fifo 628 or vice versa. It does not support memory to memory data transfer. 629 630config TEGRA210_ADMA 631 tristate "NVIDIA Tegra210 ADMA support" 632 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) 633 select DMA_ENGINE 634 select DMA_VIRTUAL_CHANNELS 635 help 636 Support for the NVIDIA Tegra210 ADMA controller driver. The 637 DMA controller has multiple DMA channels and is used to service 638 various audio clients in the Tegra210 audio processing engine 639 (APE). This DMA controller transfers data from memory to 640 peripheral and vice versa. It does not support memory to 641 memory data transfer. 642 643config TIMB_DMA 644 tristate "Timberdale FPGA DMA support" 645 depends on MFD_TIMBERDALE || COMPILE_TEST 646 select DMA_ENGINE 647 help 648 Enable support for the Timberdale FPGA DMA engine. 649 650config UNIPHIER_MDMAC 651 tristate "UniPhier MIO DMAC" 652 depends on ARCH_UNIPHIER || COMPILE_TEST 653 depends on OF 654 select DMA_ENGINE 655 select DMA_VIRTUAL_CHANNELS 656 help 657 Enable support for the MIO DMAC (Media I/O DMA controller) on the 658 UniPhier platform. This DMA controller is used as the external 659 DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs. 660 661config UNIPHIER_XDMAC 662 tristate "UniPhier XDMAC support" 663 depends on ARCH_UNIPHIER || COMPILE_TEST 664 depends on OF 665 select DMA_ENGINE 666 select DMA_VIRTUAL_CHANNELS 667 help 668 Enable support for the XDMAC (external DMA controller) on the 669 UniPhier platform. This DMA controller can transfer data from 670 memory to memory, memory to peripheral and peripheral to memory. 671 672config XGENE_DMA 673 tristate "APM X-Gene DMA support" 674 depends on ARCH_XGENE || COMPILE_TEST 675 select DMA_ENGINE 676 select DMA_ENGINE_RAID 677 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 678 help 679 Enable support for the APM X-Gene SoC DMA engine. 680 681config XILINX_DMA 682 tristate "Xilinx AXI DMAS Engine" 683 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 684 select DMA_ENGINE 685 help 686 Enable support for Xilinx AXI VDMA Soft IP. 687 688 AXI VDMA engine provides high-bandwidth direct memory access 689 between memory and AXI4-Stream video type target 690 peripherals including peripherals which support AXI4- 691 Stream Video Protocol. It has two stream interfaces/ 692 channels, Memory Mapped to Stream (MM2S) and Stream to 693 Memory Mapped (S2MM) for the data transfers. 694 AXI CDMA engine provides high-bandwidth direct memory access 695 between a memory-mapped source address and a memory-mapped 696 destination address. 697 AXI DMA engine provides high-bandwidth one dimensional direct 698 memory access between memory and AXI4-Stream target peripherals. 699 AXI MCDMA engine provides high-bandwidth direct memory access 700 between memory and AXI4-Stream target peripherals. It provides 701 the scatter gather interface with multiple channels independent 702 configuration support. 703 704config XILINX_ZYNQMP_DMA 705 tristate "Xilinx ZynqMP DMA Engine" 706 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 707 select DMA_ENGINE 708 help 709 Enable support for Xilinx ZynqMP DMA controller. 710 711config XILINX_ZYNQMP_DPDMA 712 tristate "Xilinx DPDMA Engine" 713 select DMA_ENGINE 714 select DMA_VIRTUAL_CHANNELS 715 help 716 Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option 717 if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The 718 driver provides the dmaengine required by the DisplayPort subsystem 719 display driver. 720 721config ZX_DMA 722 tristate "ZTE ZX DMA support" 723 depends on ARCH_ZX || COMPILE_TEST 724 select DMA_ENGINE 725 select DMA_VIRTUAL_CHANNELS 726 help 727 Support the DMA engine for ZTE ZX family platform devices. 728 729 730# driver files 731source "drivers/dma/bestcomm/Kconfig" 732 733source "drivers/dma/mediatek/Kconfig" 734 735source "drivers/dma/qcom/Kconfig" 736 737source "drivers/dma/dw/Kconfig" 738 739source "drivers/dma/dw-edma/Kconfig" 740 741source "drivers/dma/hsu/Kconfig" 742 743source "drivers/dma/sf-pdma/Kconfig" 744 745source "drivers/dma/sh/Kconfig" 746 747source "drivers/dma/ti/Kconfig" 748 749source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 750 751# clients 752comment "DMA Clients" 753 depends on DMA_ENGINE 754 755config ASYNC_TX_DMA 756 bool "Async_tx: Offload support for the async_tx api" 757 depends on DMA_ENGINE 758 help 759 This allows the async_tx api to take advantage of offload engines for 760 memcpy, memset, xor, and raid6 p+q operations. If your platform has 761 a dma engine that can perform raid operations and you have enabled 762 MD_RAID456 say Y. 763 764 If unsure, say N. 765 766config DMATEST 767 tristate "DMA Test client" 768 depends on DMA_ENGINE 769 select DMA_ENGINE_RAID 770 help 771 Simple DMA test client. Say N unless you're debugging a 772 DMA Device driver. 773 774config DMA_ENGINE_RAID 775 bool 776 777endif 778