drivers/dma/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # DMA engine configuration
   4 #
   5
   6 menuconfig 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
  17 config 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
  24 config 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
  33 if DMADEVICES
  34
  35 comment "DMA Devices"
  36
  37 #core
  38 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
  39         bool
  40
  41 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
  42         bool
  43
  44 config DMA_ENGINE
  45         bool
  46
  47 config DMA_VIRTUAL_CHANNELS
  48         tristate
  49
  50 config DMA_ACPI
  51         def_bool y
  52         depends on ACPI
  53
  54 config DMA_OF
  55         def_bool y
  56         depends on OF
  57         select DMA_ENGINE
  58
  59 #devices
  60 config ALTERA_MSGDMA
  61         tristate "Altera / Intel mSGDMA Engine"
  62         select DMA_ENGINE
  63         help
  64           Enable support for Altera / Intel mSGDMA controller.
  65
  66 config 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
  77 config 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
  87 config 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
  94 config 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
 101 config 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
 112 config 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
 127 config 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
 134 config DMA_BCM2835
 135         tristate "BCM2835 DMA engine support"
 136         depends on ARCH_BCM2835
 137         select DMA_ENGINE
 138         select DMA_VIRTUAL_CHANNELS
 139
 140 config 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
 150 config 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
 160 config 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
 170 config 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
 179 config 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
 189 config 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
 196 config 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
 207 config 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
 217 config 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
 231 config 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
 242 config 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
 251 config 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
 260 config 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
 268 config 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
 277 config 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
 285 config 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 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
 313 config 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
 321 config 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
 339 config 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
 348 config 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
 357 config 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
 368 config 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
 378 config 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
 388 config 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
 395 config 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
 404 config 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
 414 config 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
 421 config 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
 430 config 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
 444 config 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
 453 config 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
 462 config 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
 472 config 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
 479 config 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
 487 config 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
 501 config 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
 510 config 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
 521 config 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
 530 config 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
 537 config 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
 544 config 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
 558 config 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
 569 config 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
 578 config 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
 590 config 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
 598 config 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
 610 config 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
 618 config 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
 630 config 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
 643 config 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
 650 config 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
 661 config 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
 672 config 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
 681 config 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
 704 config 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
 711 config 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
 721 config 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
 731 source "drivers/dma/bestcomm/Kconfig"
 732
 733 source "drivers/dma/mediatek/Kconfig"
 734
 735 source "drivers/dma/qcom/Kconfig"
 736
 737 source "drivers/dma/dw/Kconfig"
 738
 739 source "drivers/dma/dw-edma/Kconfig"
 740
 741 source "drivers/dma/hsu/Kconfig"
 742
 743 source "drivers/dma/sf-pdma/Kconfig"
 744
 745 source "drivers/dma/sh/Kconfig"
 746
 747 source "drivers/dma/ti/Kconfig"
 748
 749 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
 750
 751 # clients
 752 comment "DMA Clients"
 753         depends on DMA_ENGINE
 754
 755 config 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
 766 config 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
 774 config DMA_ENGINE_RAID
 775         bool
 776
 777 endif