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 Device's 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 && PCI_MSI) 245 select DMA_ENGINE 246 select DMA_VIRTUAL_CHANNELS 247 help 248 Support HiSilicon Kunpeng DMA engine. 249 250config IMG_MDC_DMA 251 tristate "IMG MDC support" 252 depends on MIPS || COMPILE_TEST 253 depends on MFD_SYSCON 254 select DMA_ENGINE 255 select DMA_VIRTUAL_CHANNELS 256 help 257 Enable support for the IMG multi-threaded DMA controller (MDC). 258 259config IMX_DMA 260 tristate "i.MX DMA support" 261 depends on ARCH_MXC 262 select DMA_ENGINE 263 help 264 Support the i.MX DMA engine. This engine is integrated into 265 Freescale i.MX1/21/27 chips. 266 267config IMX_SDMA 268 tristate "i.MX SDMA support" 269 depends on ARCH_MXC 270 select DMA_ENGINE 271 select DMA_VIRTUAL_CHANNELS 272 help 273 Support the i.MX SDMA engine. This engine is integrated into 274 Freescale i.MX25/31/35/51/53/6 chips. 275 276config INTEL_IDMA64 277 tristate "Intel integrated DMA 64-bit support" 278 select DMA_ENGINE 279 select DMA_VIRTUAL_CHANNELS 280 help 281 Enable DMA support for Intel Low Power Subsystem such as found on 282 Intel Skylake PCH. 283 284config INTEL_IDXD 285 tristate "Intel Data Accelerators support" 286 depends on PCI && X86_64 287 select DMA_ENGINE 288 select SBITMAP 289 help 290 Enable support for the Intel(R) data accelerators present 291 in Intel Xeon CPU. 292 293 Say Y if you have such a platform. 294 295 If unsure, say N. 296 297config INTEL_IOATDMA 298 tristate "Intel I/OAT DMA support" 299 depends on PCI && X86_64 300 select DMA_ENGINE 301 select DMA_ENGINE_RAID 302 select DCA 303 help 304 Enable support for the Intel(R) I/OAT DMA engine present 305 in recent Intel Xeon chipsets. 306 307 Say Y here if you have such a chipset. 308 309 If unsure, say N. 310 311config INTEL_IOP_ADMA 312 tristate "Intel IOP32x ADMA support" 313 depends on ARCH_IOP32X || COMPILE_TEST 314 select DMA_ENGINE 315 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 316 help 317 Enable support for the Intel(R) IOP Series RAID engines. 318 319config INTEL_MIC_X100_DMA 320 tristate "Intel MIC X100 DMA Driver" 321 depends on 64BIT && X86 && INTEL_MIC_BUS 322 select DMA_ENGINE 323 help 324 This enables DMA support for the Intel Many Integrated Core 325 (MIC) family of PCIe form factor coprocessor X100 devices that 326 run a 64 bit Linux OS. This driver will be used by both MIC 327 host and card drivers. 328 329 If you are building host kernel with a MIC device or a card 330 kernel for a MIC device, then say M (recommended) or Y, else 331 say N. If unsure say N. 332 333 More information about the Intel MIC family as well as the Linux 334 OS and tools for MIC to use with this driver are available from 335 <http://software.intel.com/en-us/mic-developer>. 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 bool "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 bool "MMP Two-Channel DMA support" 395 depends on ARCH_MMP || COMPILE_TEST 396 select DMA_ENGINE 397 select MMP_SRAM if ARCH_MMP 398 select GENERIC_ALLOCATOR 399 help 400 Support the MMP Two-Channel DMA engine. 401 This engine used for MMP Audio DMA and pxa910 SQU. 402 It needs sram driver under mach-mmp. 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 bool "NVIDIA Tegra20 APB DMA support" 620 depends on ARCH_TEGRA 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 XGENE_DMA 662 tristate "APM X-Gene DMA support" 663 depends on ARCH_XGENE || COMPILE_TEST 664 select DMA_ENGINE 665 select DMA_ENGINE_RAID 666 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 667 help 668 Enable support for the APM X-Gene SoC DMA engine. 669 670config XILINX_DMA 671 tristate "Xilinx AXI DMAS Engine" 672 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 673 select DMA_ENGINE 674 help 675 Enable support for Xilinx AXI VDMA Soft IP. 676 677 AXI VDMA engine provides high-bandwidth direct memory access 678 between memory and AXI4-Stream video type target 679 peripherals including peripherals which support AXI4- 680 Stream Video Protocol. It has two stream interfaces/ 681 channels, Memory Mapped to Stream (MM2S) and Stream to 682 Memory Mapped (S2MM) for the data transfers. 683 AXI CDMA engine provides high-bandwidth direct memory access 684 between a memory-mapped source address and a memory-mapped 685 destination address. 686 AXI DMA engine provides high-bandwidth one dimensional direct 687 memory access between memory and AXI4-Stream target peripherals. 688 AXI MCDMA engine provides high-bandwidth direct memory access 689 between memory and AXI4-Stream target peripherals. It provides 690 the scatter gather interface with multiple channels independent 691 configuration support. 692 693config XILINX_ZYNQMP_DMA 694 tristate "Xilinx ZynqMP DMA Engine" 695 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 696 select DMA_ENGINE 697 help 698 Enable support for Xilinx ZynqMP DMA controller. 699 700config ZX_DMA 701 tristate "ZTE ZX DMA support" 702 depends on ARCH_ZX || COMPILE_TEST 703 select DMA_ENGINE 704 select DMA_VIRTUAL_CHANNELS 705 help 706 Support the DMA engine for ZTE ZX family platform devices. 707 708 709# driver files 710source "drivers/dma/bestcomm/Kconfig" 711 712source "drivers/dma/mediatek/Kconfig" 713 714source "drivers/dma/qcom/Kconfig" 715 716source "drivers/dma/dw/Kconfig" 717 718source "drivers/dma/dw-edma/Kconfig" 719 720source "drivers/dma/hsu/Kconfig" 721 722source "drivers/dma/sf-pdma/Kconfig" 723 724source "drivers/dma/sh/Kconfig" 725 726source "drivers/dma/ti/Kconfig" 727 728source "drivers/dma/fsl-dpaa2-qdma/Kconfig" 729 730# clients 731comment "DMA Clients" 732 depends on DMA_ENGINE 733 734config ASYNC_TX_DMA 735 bool "Async_tx: Offload support for the async_tx api" 736 depends on DMA_ENGINE 737 help 738 This allows the async_tx api to take advantage of offload engines for 739 memcpy, memset, xor, and raid6 p+q operations. If your platform has 740 a dma engine that can perform raid operations and you have enabled 741 MD_RAID456 say Y. 742 743 If unsure, say N. 744 745config DMATEST 746 tristate "DMA Test client" 747 depends on DMA_ENGINE 748 select DMA_ENGINE_RAID 749 help 750 Simple DMA test client. Say N unless you're debugging a 751 DMA Device driver. 752 753config DMA_ENGINE_RAID 754 bool 755 756endif 757