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         select DMA_ENGINE
 289         select SBITMAP
 290         help
 291           Enable support for the Intel(R) data accelerators present
 292           in Intel Xeon CPU.
 293
 294           Say Y if you have such a platform.
 295
 296           If unsure, say N.
 297
 298 config INTEL_IOATDMA
 299         tristate "Intel I/OAT DMA support"
 300         depends on PCI && X86_64
 301         select DMA_ENGINE
 302         select DMA_ENGINE_RAID
 303         select DCA
 304         help
 305           Enable support for the Intel(R) I/OAT DMA engine present
 306           in recent Intel Xeon chipsets.
 307
 308           Say Y here if you have such a chipset.
 309
 310           If unsure, say N.
 311
 312 config INTEL_IOP_ADMA
 313         tristate "Intel IOP32x ADMA support"
 314         depends on ARCH_IOP32X || COMPILE_TEST
 315         select DMA_ENGINE
 316         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 317         help
 318           Enable support for the Intel(R) IOP Series RAID engines.
 319
 320 config INTEL_MIC_X100_DMA
 321         tristate "Intel MIC X100 DMA Driver"
 322         depends on 64BIT && X86 && INTEL_MIC_BUS
 323         select DMA_ENGINE
 324         help
 325           This enables DMA support for the Intel Many Integrated Core
 326           (MIC) family of PCIe form factor coprocessor X100 devices that
 327           run a 64 bit Linux OS. This driver will be used by both MIC
 328           host and card drivers.
 329
 330           If you are building host kernel with a MIC device or a card
 331           kernel for a MIC device, then say M (recommended) or Y, else
 332           say N. If unsure say N.
 333
 334           More information about the Intel MIC family as well as the Linux
 335           OS and tools for MIC to use with this driver are available from
 336           <http://software.intel.com/en-us/mic-developer>.
 337
 338 config K3_DMA
 339         tristate "Hisilicon K3 DMA support"
 340         depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
 341         select DMA_ENGINE
 342         select DMA_VIRTUAL_CHANNELS
 343         help
 344           Support the DMA engine for Hisilicon K3 platform
 345           devices.
 346
 347 config LPC18XX_DMAMUX
 348         bool "NXP LPC18xx/43xx DMA MUX for PL080"
 349         depends on ARCH_LPC18XX || COMPILE_TEST
 350         depends on OF && AMBA_PL08X
 351         select MFD_SYSCON
 352         help
 353           Enable support for DMA on NXP LPC18xx/43xx platforms
 354           with PL080 and multiplexed DMA request lines.
 355
 356 config MCF_EDMA
 357         tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
 358         depends on M5441x || COMPILE_TEST
 359         select DMA_ENGINE
 360         select DMA_VIRTUAL_CHANNELS
 361         help
 362           Support the Freescale ColdFire eDMA engine, 64-channel
 363           implementation that performs complex data transfers with
 364           minimal intervention from a host processor.
 365           This module can be found on Freescale ColdFire mcf5441x SoCs.
 366
 367 config MILBEAUT_HDMAC
 368         tristate "Milbeaut AHB DMA support"
 369         depends on ARCH_MILBEAUT || COMPILE_TEST
 370         depends on OF
 371         select DMA_ENGINE
 372         select DMA_VIRTUAL_CHANNELS
 373         help
 374           Say yes here to support the Socionext Milbeaut
 375           HDMAC device.
 376
 377 config MILBEAUT_XDMAC
 378         tristate "Milbeaut AXI DMA support"
 379         depends on ARCH_MILBEAUT || COMPILE_TEST
 380         depends on OF
 381         select DMA_ENGINE
 382         select DMA_VIRTUAL_CHANNELS
 383         help
 384           Say yes here to support the Socionext Milbeaut
 385           XDMAC device.
 386
 387 config MMP_PDMA
 388         bool "MMP PDMA support"
 389         depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
 390         select DMA_ENGINE
 391         help
 392           Support the MMP PDMA engine for PXA and MMP platform.
 393
 394 config MMP_TDMA
 395         bool "MMP Two-Channel DMA support"
 396         depends on ARCH_MMP || COMPILE_TEST
 397         select DMA_ENGINE
 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
 403 config MOXART_DMA
 404         tristate "MOXART DMA support"
 405         depends on ARCH_MOXART
 406         select DMA_ENGINE
 407         select DMA_VIRTUAL_CHANNELS
 408         help
 409           Enable support for the MOXA ART SoC DMA controller.
 410
 411           Say Y here if you enabled MMP ADMA, otherwise say N.
 412
 413 config MPC512X_DMA
 414         tristate "Freescale MPC512x built-in DMA engine support"
 415         depends on PPC_MPC512x || PPC_MPC831x
 416         select DMA_ENGINE
 417         help
 418           Enable support for the Freescale MPC512x built-in DMA engine.
 419
 420 config MV_XOR
 421         bool "Marvell XOR engine support"
 422         depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
 423         select DMA_ENGINE
 424         select DMA_ENGINE_RAID
 425         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 426         help
 427           Enable support for the Marvell XOR engine.
 428
 429 config MV_XOR_V2
 430         bool "Marvell XOR engine version 2 support "
 431         depends on ARM64
 432         select DMA_ENGINE
 433         select DMA_ENGINE_RAID
 434         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 435         select GENERIC_MSI_IRQ_DOMAIN
 436         help
 437           Enable support for the Marvell version 2 XOR engine.
 438
 439           This engine provides acceleration for copy, XOR and RAID6
 440           operations, and is available on Marvell Armada 7K and 8K
 441           platforms.
 442
 443 config MXS_DMA
 444         bool "MXS DMA support"
 445         depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
 446         select STMP_DEVICE
 447         select DMA_ENGINE
 448         help
 449           Support the MXS DMA engine. This engine including APBH-DMA
 450           and APBX-DMA is integrated into some Freescale chips.
 451
 452 config MX3_IPU
 453         bool "MX3x Image Processing Unit support"
 454         depends on ARCH_MXC
 455         select DMA_ENGINE
 456         default y
 457         help
 458           If you plan to use the Image Processing unit in the i.MX3x, say
 459           Y here. If unsure, select Y.
 460
 461 config MX3_IPU_IRQS
 462         int "Number of dynamically mapped interrupts for IPU"
 463         depends on MX3_IPU
 464         range 2 137
 465         default 4
 466         help
 467           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 468           To avoid bloating the irq_desc[] array we allocate a sufficient
 469           number of IRQ slots and map them dynamically to specific sources.
 470
 471 config NBPFAXI_DMA
 472         tristate "Renesas Type-AXI NBPF DMA support"
 473         select DMA_ENGINE
 474         depends on ARM || COMPILE_TEST
 475         help
 476           Support for "Type-AXI" NBPF DMA IPs from Renesas
 477
 478 config OWL_DMA
 479         tristate "Actions Semi Owl SoCs DMA support"
 480         depends on ARCH_ACTIONS
 481         select DMA_ENGINE
 482         select DMA_VIRTUAL_CHANNELS
 483         help
 484           Enable support for the Actions Semi Owl SoCs DMA controller.
 485
 486 config PCH_DMA
 487         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 488         depends on PCI && (X86_32 || COMPILE_TEST)
 489         select DMA_ENGINE
 490         help
 491           Enable support for Intel EG20T PCH DMA engine.
 492
 493           This driver also can be used for LAPIS Semiconductor IOH(Input/
 494           Output Hub), ML7213, ML7223 and ML7831.
 495           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 496           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 497           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 498           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 499
 500 config PL330_DMA
 501         tristate "DMA API Driver for PL330"
 502         select DMA_ENGINE
 503         depends on ARM_AMBA
 504         help
 505           Select if your platform has one or more PL330 DMACs.
 506           You need to provide platform specific settings via
 507           platform_data for a dma-pl330 device.
 508
 509 config PXA_DMA
 510         bool "PXA DMA support"
 511         depends on (ARCH_MMP || ARCH_PXA)
 512         select DMA_ENGINE
 513         select DMA_VIRTUAL_CHANNELS
 514         help
 515           Support the DMA engine for PXA. It is also compatible with MMP PDMA
 516           platform. The internal DMA IP of all PXA variants is supported, with
 517           16 to 32 channels for peripheral to memory or memory to memory
 518           transfers.
 519
 520 config PLX_DMA
 521         tristate "PLX ExpressLane PEX Switch DMA Engine Support"
 522         depends on PCI
 523         select DMA_ENGINE
 524         help
 525           Some PLX ExpressLane PCI Switches support additional DMA engines.
 526           These are exposed via extra functions on the switch's
 527           upstream port. Each function exposes one DMA channel.
 528
 529 config SIRF_DMA
 530         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 531         depends on ARCH_SIRF
 532         select DMA_ENGINE
 533         help
 534           Enable support for the CSR SiRFprimaII DMA engine.
 535
 536 config STE_DMA40
 537         bool "ST-Ericsson DMA40 support"
 538         depends on ARCH_U8500
 539         select DMA_ENGINE
 540         help
 541           Support for ST-Ericsson DMA40 controller
 542
 543 config ST_FDMA
 544         tristate "ST FDMA dmaengine support"
 545         depends on ARCH_STI
 546         depends on REMOTEPROC
 547         select ST_SLIM_REMOTEPROC
 548         select DMA_ENGINE
 549         select DMA_VIRTUAL_CHANNELS
 550         help
 551           Enable support for ST FDMA controller.
 552           It supports 16 independent DMA channels, accepts up to 32 DMA requests
 553
 554           Say Y here if you have such a chipset.
 555           If unsure, say N.
 556
 557 config STM32_DMA
 558         bool "STMicroelectronics STM32 DMA support"
 559         depends on ARCH_STM32 || COMPILE_TEST
 560         select DMA_ENGINE
 561         select DMA_VIRTUAL_CHANNELS
 562         help
 563           Enable support for the on-chip DMA controller on STMicroelectronics
 564           STM32 MCUs.
 565           If you have a board based on such a MCU and wish to use DMA say Y
 566           here.
 567
 568 config STM32_DMAMUX
 569         bool "STMicroelectronics STM32 dma multiplexer support"
 570         depends on STM32_DMA || COMPILE_TEST
 571         help
 572           Enable support for the on-chip DMA multiplexer on STMicroelectronics
 573           STM32 MCUs.
 574           If you have a board based on such a MCU and wish to use DMAMUX say Y
 575           here.
 576
 577 config STM32_MDMA
 578         bool "STMicroelectronics STM32 master dma support"
 579         depends on ARCH_STM32 || COMPILE_TEST
 580         depends on OF
 581         select DMA_ENGINE
 582         select DMA_VIRTUAL_CHANNELS
 583         help
 584           Enable support for the on-chip MDMA controller on STMicroelectronics
 585           STM32 platforms.
 586           If you have a board based on STM32 SoC and wish to use the master DMA
 587           say Y here.
 588
 589 config SPRD_DMA
 590         tristate "Spreadtrum DMA support"
 591         depends on ARCH_SPRD || COMPILE_TEST
 592         select DMA_ENGINE
 593         select DMA_VIRTUAL_CHANNELS
 594         help
 595           Enable support for the on-chip DMA controller on Spreadtrum platform.
 596
 597 config S3C24XX_DMAC
 598         bool "Samsung S3C24XX DMA support"
 599         depends on ARCH_S3C24XX || COMPILE_TEST
 600         select DMA_ENGINE
 601         select DMA_VIRTUAL_CHANNELS
 602         help
 603           Support for the Samsung S3C24XX DMA controller driver. The
 604           DMA controller is having multiple DMA channels which can be
 605           configured for different peripherals like audio, UART, SPI.
 606           The DMA controller can transfer data from memory to peripheral,
 607           periphal to memory, periphal to periphal and memory to memory.
 608
 609 config TXX9_DMAC
 610         tristate "Toshiba TXx9 SoC DMA support"
 611         depends on MACH_TX49XX || MACH_TX39XX
 612         select DMA_ENGINE
 613         help
 614           Support the TXx9 SoC internal DMA controller.  This can be
 615           integrated in chips such as the Toshiba TX4927/38/39.
 616
 617 config TEGRA20_APB_DMA
 618         tristate "NVIDIA Tegra20 APB DMA support"
 619         depends on ARCH_TEGRA || COMPILE_TEST
 620         select DMA_ENGINE
 621         help
 622           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 623           DMA controller is having multiple DMA channel which can be
 624           configured for different peripherals like audio, UART, SPI,
 625           I2C etc which is in APB bus.
 626           This DMA controller transfers data from memory to peripheral fifo
 627           or vice versa. It does not support memory to memory data transfer.
 628
 629 config TEGRA210_ADMA
 630         tristate "NVIDIA Tegra210 ADMA support"
 631         depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
 632         select DMA_ENGINE
 633         select DMA_VIRTUAL_CHANNELS
 634         help
 635           Support for the NVIDIA Tegra210 ADMA controller driver. The
 636           DMA controller has multiple DMA channels and is used to service
 637           various audio clients in the Tegra210 audio processing engine
 638           (APE). This DMA controller transfers data from memory to
 639           peripheral and vice versa. It does not support memory to
 640           memory data transfer.
 641
 642 config TIMB_DMA
 643         tristate "Timberdale FPGA DMA support"
 644         depends on MFD_TIMBERDALE || COMPILE_TEST
 645         select DMA_ENGINE
 646         help
 647           Enable support for the Timberdale FPGA DMA engine.
 648
 649 config UNIPHIER_MDMAC
 650         tristate "UniPhier MIO DMAC"
 651         depends on ARCH_UNIPHIER || COMPILE_TEST
 652         depends on OF
 653         select DMA_ENGINE
 654         select DMA_VIRTUAL_CHANNELS
 655         help
 656           Enable support for the MIO DMAC (Media I/O DMA controller) on the
 657           UniPhier platform.  This DMA controller is used as the external
 658           DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
 659
 660 config UNIPHIER_XDMAC
 661         tristate "UniPhier XDMAC support"
 662         depends on ARCH_UNIPHIER || COMPILE_TEST
 663         depends on OF
 664         select DMA_ENGINE
 665         select DMA_VIRTUAL_CHANNELS
 666         help
 667           Enable support for the XDMAC (external DMA controller) on the
 668           UniPhier platform. This DMA controller can transfer data from
 669           memory to memory, memory to peripheral and peripheral to memory.
 670
 671 config XGENE_DMA
 672         tristate "APM X-Gene DMA support"
 673         depends on ARCH_XGENE || COMPILE_TEST
 674         select DMA_ENGINE
 675         select DMA_ENGINE_RAID
 676         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 677         help
 678           Enable support for the APM X-Gene SoC DMA engine.
 679
 680 config XILINX_DMA
 681         tristate "Xilinx AXI DMAS Engine"
 682         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 683         select DMA_ENGINE
 684         help
 685           Enable support for Xilinx AXI VDMA Soft IP.
 686
 687           AXI VDMA engine provides high-bandwidth direct memory access
 688           between memory and AXI4-Stream video type target
 689           peripherals including peripherals which support AXI4-
 690           Stream Video Protocol.  It has two stream interfaces/
 691           channels, Memory Mapped to Stream (MM2S) and Stream to
 692           Memory Mapped (S2MM) for the data transfers.
 693           AXI CDMA engine provides high-bandwidth direct memory access
 694           between a memory-mapped source address and a memory-mapped
 695           destination address.
 696           AXI DMA engine provides high-bandwidth one dimensional direct
 697           memory access between memory and AXI4-Stream target peripherals.
 698           AXI MCDMA engine provides high-bandwidth direct memory access
 699           between memory and AXI4-Stream target peripherals. It provides
 700           the scatter gather interface with multiple channels independent
 701           configuration support.
 702
 703 config XILINX_ZYNQMP_DMA
 704         tristate "Xilinx ZynqMP DMA Engine"
 705         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 706         select DMA_ENGINE
 707         help
 708           Enable support for Xilinx ZynqMP DMA controller.
 709
 710 config XILINX_ZYNQMP_DPDMA
 711         tristate "Xilinx DPDMA Engine"
 712         select DMA_ENGINE
 713         select DMA_VIRTUAL_CHANNELS
 714         help
 715           Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
 716           if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
 717           driver provides the dmaengine required by the DisplayPort subsystem
 718           display driver.
 719
 720 config ZX_DMA
 721         tristate "ZTE ZX DMA support"
 722         depends on ARCH_ZX || COMPILE_TEST
 723         select DMA_ENGINE
 724         select DMA_VIRTUAL_CHANNELS
 725         help
 726           Support the DMA engine for ZTE ZX family platform devices.
 727
 728
 729 # driver files
 730 source "drivers/dma/bestcomm/Kconfig"
 731
 732 source "drivers/dma/mediatek/Kconfig"
 733
 734 source "drivers/dma/qcom/Kconfig"
 735
 736 source "drivers/dma/dw/Kconfig"
 737
 738 source "drivers/dma/dw-edma/Kconfig"
 739
 740 source "drivers/dma/hsu/Kconfig"
 741
 742 source "drivers/dma/sf-pdma/Kconfig"
 743
 744 source "drivers/dma/sh/Kconfig"
 745
 746 source "drivers/dma/ti/Kconfig"
 747
 748 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
 749
 750 # clients
 751 comment "DMA Clients"
 752         depends on DMA_ENGINE
 753
 754 config ASYNC_TX_DMA
 755         bool "Async_tx: Offload support for the async_tx api"
 756         depends on DMA_ENGINE
 757         help
 758           This allows the async_tx api to take advantage of offload engines for
 759           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 760           a dma engine that can perform raid operations and you have enabled
 761           MD_RAID456 say Y.
 762
 763           If unsure, say N.
 764
 765 config DMATEST
 766         tristate "DMA Test client"
 767         depends on DMA_ENGINE
 768         select DMA_ENGINE_RAID
 769         help
 770           Simple DMA test client. Say N unless you're debugging a
 771           DMA Device driver.
 772
 773 config DMA_ENGINE_RAID
 774         bool
 775
 776 endif