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         depends on HAS_IOMEM
  63         select DMA_ENGINE
  64         help
  65           Enable support for Altera / Intel mSGDMA controller.
  66
  67 config AMBA_PL08X
  68         bool "ARM PrimeCell PL080 or PL081 support"
  69         depends on ARM_AMBA
  70         select DMA_ENGINE
  71         select DMA_VIRTUAL_CHANNELS
  72         help
  73           Say yes if your platform has a PL08x DMAC device which can
  74           provide DMA engine support. This includes the original ARM
  75           PL080 and PL081, Samsungs PL080 derivative and Faraday
  76           Technology's FTDMAC020 PL080 derivative.
  77
  78 config AMCC_PPC440SPE_ADMA
  79         tristate "AMCC PPC440SPe ADMA support"
  80         depends on 440SPe || 440SP
  81         select DMA_ENGINE
  82         select DMA_ENGINE_RAID
  83         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
  84         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  85         help
  86           Enable support for the AMCC PPC440SPe RAID engines.
  87
  88 config AT_HDMAC
  89         tristate "Atmel AHB DMA support"
  90         depends on ARCH_AT91
  91         select DMA_ENGINE
  92         help
  93           Support the Atmel AHB DMA controller.
  94
  95 config AT_XDMAC
  96         tristate "Atmel XDMA support"
  97         depends on ARCH_AT91
  98         select DMA_ENGINE
  99         help
 100           Support the Atmel XDMA controller.
 101
 102 config AXI_DMAC
 103         tristate "Analog Devices AXI-DMAC DMA support"
 104         depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_ZYNQMP || ARCH_INTEL_SOCFPGA || COMPILE_TEST
 105         select DMA_ENGINE
 106         select DMA_VIRTUAL_CHANNELS
 107         select REGMAP_MMIO
 108         help
 109           Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
 110           controller is often used in Analog Devices' reference designs for FPGA
 111           platforms.
 112
 113 config BCM_SBA_RAID
 114         tristate "Broadcom SBA RAID engine support"
 115         depends on ARM64 || COMPILE_TEST
 116         depends on MAILBOX && RAID6_PQ
 117         select DMA_ENGINE
 118         select DMA_ENGINE_RAID
 119         select ASYNC_TX_DISABLE_XOR_VAL_DMA
 120         select ASYNC_TX_DISABLE_PQ_VAL_DMA
 121         default m if ARCH_BCM_IPROC
 122         help
 123           Enable support for Broadcom SBA RAID Engine. The SBA RAID
 124           engine is available on most of the Broadcom iProc SoCs. It
 125           has the capability to offload memcpy, xor and pq computation
 126           for raid5/6.
 127
 128 config DMA_BCM2835
 129         tristate "BCM2835 DMA engine support"
 130         depends on ARCH_BCM2835
 131         select DMA_ENGINE
 132         select DMA_VIRTUAL_CHANNELS
 133
 134 config DMA_JZ4780
 135         tristate "JZ4780 DMA support"
 136         depends on MIPS || COMPILE_TEST
 137         select DMA_ENGINE
 138         select DMA_VIRTUAL_CHANNELS
 139         help
 140           This selects support for the DMA controller in Ingenic JZ4780 SoCs.
 141           If you have a board based on such a SoC and wish to use DMA for
 142           devices which can use the DMA controller, say Y or M here.
 143
 144 config DMA_SA11X0
 145         tristate "SA-11x0 DMA support"
 146         depends on ARCH_SA1100 || COMPILE_TEST
 147         select DMA_ENGINE
 148         select DMA_VIRTUAL_CHANNELS
 149         help
 150           Support the DMA engine found on Intel StrongARM SA-1100 and
 151           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 152           devices.
 153
 154 config DMA_SUN4I
 155         tristate "Allwinner A10 DMA SoCs support"
 156         depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
 157         default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
 158         select DMA_ENGINE
 159         select DMA_VIRTUAL_CHANNELS
 160         help
 161           Enable support for the DMA controller present in the sun4i,
 162           sun5i and sun7i Allwinner ARM SoCs.
 163
 164 config DMA_SUN6I
 165         tristate "Allwinner A31 SoCs DMA support"
 166         depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
 167         depends on RESET_CONTROLLER
 168         select DMA_ENGINE
 169         select DMA_VIRTUAL_CHANNELS
 170         help
 171           Support for the DMA engine first found in Allwinner A31 SoCs.
 172
 173 config DW_AXI_DMAC
 174         tristate "Synopsys DesignWare AXI DMA support"
 175         depends on OF || COMPILE_TEST
 176         depends on HAS_IOMEM
 177         select DMA_ENGINE
 178         select DMA_VIRTUAL_CHANNELS
 179         help
 180           Enable support for Synopsys DesignWare AXI DMA controller.
 181           NOTE: This driver wasn't tested on 64 bit platform because
 182           of lack 64 bit platform with Synopsys DW AXI DMAC.
 183
 184 config EP93XX_DMA
 185         bool "Cirrus Logic EP93xx DMA support"
 186         depends on ARCH_EP93XX || COMPILE_TEST
 187         select DMA_ENGINE
 188         help
 189           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 190
 191 config FSL_DMA
 192         tristate "Freescale Elo series DMA support"
 193         depends on FSL_SOC
 194         select DMA_ENGINE
 195         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 196         help
 197           Enable support for the Freescale Elo series DMA controllers.
 198           The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
 199           EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
 200           some Txxx and Bxxx parts.
 201
 202 config FSL_EDMA
 203         tristate "Freescale eDMA engine support"
 204         depends on OF
 205         select DMA_ENGINE
 206         select DMA_VIRTUAL_CHANNELS
 207         help
 208           Support the Freescale eDMA engine with programmable channel
 209           multiplexing capability for DMA request sources(slot).
 210           This module can be found on Freescale Vybrid and LS-1 SoCs.
 211
 212 config FSL_QDMA
 213         tristate "NXP Layerscape qDMA engine support"
 214         depends on ARM || ARM64
 215         select DMA_ENGINE
 216         select DMA_VIRTUAL_CHANNELS
 217         select DMA_ENGINE_RAID
 218         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 219         help
 220          Support the NXP Layerscape qDMA engine with command queue and legacy mode.
 221          Channel virtualization is supported through enqueuing of DMA jobs to,
 222          or dequeuing DMA jobs from, different work queues.
 223          This module can be found on NXP Layerscape SoCs.
 224           The qdma driver only work on  SoCs with a DPAA hardware block.
 225
 226 config FSL_RAID
 227         tristate "Freescale RAID engine Support"
 228         depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
 229         select DMA_ENGINE
 230         select DMA_ENGINE_RAID
 231         help
 232           Enable support for Freescale RAID Engine. RAID Engine is
 233           available on some QorIQ SoCs (like P5020/P5040). It has
 234           the capability to offload memcpy, xor and pq computation
 235           for raid5/6.
 236
 237 config HISI_DMA
 238         tristate "HiSilicon DMA Engine support"
 239         depends on ARM64 || COMPILE_TEST
 240         depends on PCI_MSI
 241         select DMA_ENGINE
 242         select DMA_VIRTUAL_CHANNELS
 243         help
 244           Support HiSilicon Kunpeng DMA engine.
 245
 246 config IMG_MDC_DMA
 247         tristate "IMG MDC support"
 248         depends on MIPS || COMPILE_TEST
 249         depends on MFD_SYSCON
 250         select DMA_ENGINE
 251         select DMA_VIRTUAL_CHANNELS
 252         help
 253           Enable support for the IMG multi-threaded DMA controller (MDC).
 254
 255 config IMX_DMA
 256         tristate "i.MX DMA support"
 257         depends on ARCH_MXC
 258         select DMA_ENGINE
 259         help
 260           Support the i.MX DMA engine. This engine is integrated into
 261           Freescale i.MX1/21/27 chips.
 262
 263 config IMX_SDMA
 264         tristate "i.MX SDMA support"
 265         depends on ARCH_MXC
 266         select DMA_ENGINE
 267         select DMA_VIRTUAL_CHANNELS
 268         help
 269           Support the i.MX SDMA engine. This engine is integrated into
 270           Freescale i.MX25/31/35/51/53/6 chips.
 271
 272 config INTEL_IDMA64
 273         tristate "Intel integrated DMA 64-bit support"
 274         select DMA_ENGINE
 275         select DMA_VIRTUAL_CHANNELS
 276         help
 277           Enable DMA support for Intel Low Power Subsystem such as found on
 278           Intel Skylake PCH.
 279
 280 config INTEL_IDXD_BUS
 281         tristate
 282         default INTEL_IDXD
 283
 284 config INTEL_IDXD
 285         tristate "Intel Data Accelerators support"
 286         depends on PCI && X86_64 && !UML
 287         depends on PCI_MSI
 288         depends on PCI_PASID
 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_IDXD_COMPAT
 300         bool "Legacy behavior for idxd driver"
 301         depends on PCI && X86_64
 302         select INTEL_IDXD_BUS
 303         help
 304           Compatible driver to support old /sys/bus/dsa/drivers/dsa behavior.
 305           The old behavior performed driver bind/unbind for device and wq
 306           devices all under the dsa driver. The compat driver will emulate
 307           the legacy behavior in order to allow existing support apps (i.e.
 308           accel-config) to continue function. It is expected that accel-config
 309           v3.2 and earlier will need the compat mode. A distro with later
 310           accel-config version can disable this compat config.
 311
 312           Say Y if you have old applications that require such behavior.
 313
 314           If unsure, say N.
 315
 316 # Config symbol that collects all the dependencies that's necessary to
 317 # support shared virtual memory for the devices supported by idxd.
 318 config INTEL_IDXD_SVM
 319         bool "Accelerator Shared Virtual Memory Support"
 320         depends on INTEL_IDXD
 321         depends on INTEL_IOMMU_SVM
 322         depends on PCI_PRI
 323         depends on PCI_PASID
 324         depends on PCI_IOV
 325
 326 config INTEL_IDXD_PERFMON
 327         bool "Intel Data Accelerators performance monitor support"
 328         depends on INTEL_IDXD
 329         help
 330           Enable performance monitor (pmu) support for the Intel(R)
 331           data accelerators present in Intel Xeon CPU.  With this
 332           enabled, perf can be used to monitor the DSA (Intel Data
 333           Streaming Accelerator) events described in the Intel DSA
 334           spec.
 335
 336           If unsure, say N.
 337
 338 config INTEL_IOATDMA
 339         tristate "Intel I/OAT DMA support"
 340         depends on PCI && X86_64 && !UML
 341         select DMA_ENGINE
 342         select DMA_ENGINE_RAID
 343         select DCA
 344         help
 345           Enable support for the Intel(R) I/OAT DMA engine present
 346           in recent Intel Xeon chipsets.
 347
 348           Say Y here if you have such a chipset.
 349
 350           If unsure, say N.
 351
 352 config INTEL_IOP_ADMA
 353         tristate "Intel IOP32x ADMA support"
 354         depends on ARCH_IOP32X || COMPILE_TEST
 355         select DMA_ENGINE
 356         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 357         help
 358           Enable support for the Intel(R) IOP Series RAID engines.
 359
 360 config K3_DMA
 361         tristate "Hisilicon K3 DMA support"
 362         depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
 363         select DMA_ENGINE
 364         select DMA_VIRTUAL_CHANNELS
 365         help
 366           Support the DMA engine for Hisilicon K3 platform
 367           devices.
 368
 369 config LPC18XX_DMAMUX
 370         bool "NXP LPC18xx/43xx DMA MUX for PL080"
 371         depends on ARCH_LPC18XX || COMPILE_TEST
 372         depends on OF && AMBA_PL08X
 373         select MFD_SYSCON
 374         help
 375           Enable support for DMA on NXP LPC18xx/43xx platforms
 376           with PL080 and multiplexed DMA request lines.
 377
 378 config MCF_EDMA
 379         tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
 380         depends on M5441x || COMPILE_TEST
 381         select DMA_ENGINE
 382         select DMA_VIRTUAL_CHANNELS
 383         help
 384           Support the Freescale ColdFire eDMA engine, 64-channel
 385           implementation that performs complex data transfers with
 386           minimal intervention from a host processor.
 387           This module can be found on Freescale ColdFire mcf5441x SoCs.
 388
 389 config MILBEAUT_HDMAC
 390         tristate "Milbeaut AHB DMA support"
 391         depends on ARCH_MILBEAUT || COMPILE_TEST
 392         depends on OF
 393         select DMA_ENGINE
 394         select DMA_VIRTUAL_CHANNELS
 395         help
 396           Say yes here to support the Socionext Milbeaut
 397           HDMAC device.
 398
 399 config MILBEAUT_XDMAC
 400         tristate "Milbeaut AXI DMA support"
 401         depends on ARCH_MILBEAUT || COMPILE_TEST
 402         depends on OF
 403         select DMA_ENGINE
 404         select DMA_VIRTUAL_CHANNELS
 405         help
 406           Say yes here to support the Socionext Milbeaut
 407           XDMAC device.
 408
 409 config MMP_PDMA
 410         tristate "MMP PDMA support"
 411         depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
 412         select DMA_ENGINE
 413         help
 414           Support the MMP PDMA engine for PXA and MMP platform.
 415
 416 config MMP_TDMA
 417         tristate "MMP Two-Channel DMA support"
 418         depends on ARCH_MMP || COMPILE_TEST
 419         select DMA_ENGINE
 420         select GENERIC_ALLOCATOR
 421         help
 422           Support the MMP Two-Channel DMA engine.
 423           This engine used for MMP Audio DMA and pxa910 SQU.
 424
 425 config MOXART_DMA
 426         tristate "MOXART DMA support"
 427         depends on ARCH_MOXART
 428         select DMA_ENGINE
 429         select DMA_VIRTUAL_CHANNELS
 430         help
 431           Enable support for the MOXA ART SoC DMA controller.
 432
 433           Say Y here if you enabled MMP ADMA, otherwise say N.
 434
 435 config MPC512X_DMA
 436         tristate "Freescale MPC512x built-in DMA engine support"
 437         depends on PPC_MPC512x || PPC_MPC831x
 438         select DMA_ENGINE
 439         help
 440           Enable support for the Freescale MPC512x built-in DMA engine.
 441
 442 config MV_XOR
 443         bool "Marvell XOR engine support"
 444         depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
 445         select DMA_ENGINE
 446         select DMA_ENGINE_RAID
 447         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 448         help
 449           Enable support for the Marvell XOR engine.
 450
 451 config MV_XOR_V2
 452         bool "Marvell XOR engine version 2 support "
 453         depends on ARM64
 454         select DMA_ENGINE
 455         select DMA_ENGINE_RAID
 456         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 457         select GENERIC_MSI_IRQ_DOMAIN
 458         help
 459           Enable support for the Marvell version 2 XOR engine.
 460
 461           This engine provides acceleration for copy, XOR and RAID6
 462           operations, and is available on Marvell Armada 7K and 8K
 463           platforms.
 464
 465 config MXS_DMA
 466         bool "MXS DMA support"
 467         depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
 468         select STMP_DEVICE
 469         select DMA_ENGINE
 470         help
 471           Support the MXS DMA engine. This engine including APBH-DMA
 472           and APBX-DMA is integrated into some Freescale chips.
 473
 474 config MX3_IPU
 475         bool "MX3x Image Processing Unit support"
 476         depends on ARCH_MXC
 477         select DMA_ENGINE
 478         default y
 479         help
 480           If you plan to use the Image Processing unit in the i.MX3x, say
 481           Y here. If unsure, select Y.
 482
 483 config MX3_IPU_IRQS
 484         int "Number of dynamically mapped interrupts for IPU"
 485         depends on MX3_IPU
 486         range 2 137
 487         default 4
 488         help
 489           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 490           To avoid bloating the irq_desc[] array we allocate a sufficient
 491           number of IRQ slots and map them dynamically to specific sources.
 492
 493 config NBPFAXI_DMA
 494         tristate "Renesas Type-AXI NBPF DMA support"
 495         select DMA_ENGINE
 496         depends on ARM || COMPILE_TEST
 497         help
 498           Support for "Type-AXI" NBPF DMA IPs from Renesas
 499
 500 config OWL_DMA
 501         tristate "Actions Semi Owl SoCs DMA support"
 502         depends on ARCH_ACTIONS
 503         select DMA_ENGINE
 504         select DMA_VIRTUAL_CHANNELS
 505         help
 506           Enable support for the Actions Semi Owl SoCs DMA controller.
 507
 508 config PCH_DMA
 509         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 510         depends on PCI && (X86_32 || COMPILE_TEST)
 511         select DMA_ENGINE
 512         help
 513           Enable support for Intel EG20T PCH DMA engine.
 514
 515           This driver also can be used for LAPIS Semiconductor IOH(Input/
 516           Output Hub), ML7213, ML7223 and ML7831.
 517           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 518           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 519           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 520           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 521
 522 config PL330_DMA
 523         tristate "DMA API Driver for PL330"
 524         select DMA_ENGINE
 525         depends on ARM_AMBA
 526         help
 527           Select if your platform has one or more PL330 DMACs.
 528           You need to provide platform specific settings via
 529           platform_data for a dma-pl330 device.
 530
 531 config PXA_DMA
 532         bool "PXA DMA support"
 533         depends on (ARCH_MMP || ARCH_PXA)
 534         select DMA_ENGINE
 535         select DMA_VIRTUAL_CHANNELS
 536         help
 537           Support the DMA engine for PXA. It is also compatible with MMP PDMA
 538           platform. The internal DMA IP of all PXA variants is supported, with
 539           16 to 32 channels for peripheral to memory or memory to memory
 540           transfers.
 541
 542 config PLX_DMA
 543         tristate "PLX ExpressLane PEX Switch DMA Engine Support"
 544         depends on PCI
 545         select DMA_ENGINE
 546         help
 547           Some PLX ExpressLane PCI Switches support additional DMA engines.
 548           These are exposed via extra functions on the switch's
 549           upstream port. Each function exposes one DMA channel.
 550
 551 config STE_DMA40
 552         bool "ST-Ericsson DMA40 support"
 553         depends on ARCH_U8500
 554         select DMA_ENGINE
 555         help
 556           Support for ST-Ericsson DMA40 controller
 557
 558 config ST_FDMA
 559         tristate "ST FDMA dmaengine support"
 560         depends on ARCH_STI
 561         depends on REMOTEPROC
 562         select ST_SLIM_REMOTEPROC
 563         select DMA_ENGINE
 564         select DMA_VIRTUAL_CHANNELS
 565         help
 566           Enable support for ST FDMA controller.
 567           It supports 16 independent DMA channels, accepts up to 32 DMA requests
 568
 569           Say Y here if you have such a chipset.
 570           If unsure, say N.
 571
 572 config STM32_DMA
 573         bool "STMicroelectronics STM32 DMA support"
 574         depends on ARCH_STM32 || COMPILE_TEST
 575         select DMA_ENGINE
 576         select DMA_VIRTUAL_CHANNELS
 577         help
 578           Enable support for the on-chip DMA controller on STMicroelectronics
 579           STM32 MCUs.
 580           If you have a board based on such a MCU and wish to use DMA say Y
 581           here.
 582
 583 config STM32_DMAMUX
 584         bool "STMicroelectronics STM32 dma multiplexer support"
 585         depends on STM32_DMA || COMPILE_TEST
 586         help
 587           Enable support for the on-chip DMA multiplexer on STMicroelectronics
 588           STM32 MCUs.
 589           If you have a board based on such a MCU and wish to use DMAMUX say Y
 590           here.
 591
 592 config STM32_MDMA
 593         bool "STMicroelectronics STM32 master dma support"
 594         depends on ARCH_STM32 || COMPILE_TEST
 595         depends on OF
 596         select DMA_ENGINE
 597         select DMA_VIRTUAL_CHANNELS
 598         help
 599           Enable support for the on-chip MDMA controller on STMicroelectronics
 600           STM32 platforms.
 601           If you have a board based on STM32 SoC and wish to use the master DMA
 602           say Y here.
 603
 604 config SPRD_DMA
 605         tristate "Spreadtrum DMA support"
 606         depends on ARCH_SPRD || COMPILE_TEST
 607         select DMA_ENGINE
 608         select DMA_VIRTUAL_CHANNELS
 609         help
 610           Enable support for the on-chip DMA controller on Spreadtrum platform.
 611
 612 config S3C24XX_DMAC
 613         bool "Samsung S3C24XX DMA support"
 614         depends on ARCH_S3C24XX || COMPILE_TEST
 615         select DMA_ENGINE
 616         select DMA_VIRTUAL_CHANNELS
 617         help
 618           Support for the Samsung S3C24XX DMA controller driver. The
 619           DMA controller is having multiple DMA channels which can be
 620           configured for different peripherals like audio, UART, SPI.
 621           The DMA controller can transfer data from memory to peripheral,
 622           periphal to memory, periphal to periphal and memory to memory.
 623
 624 config TXX9_DMAC
 625         tristate "Toshiba TXx9 SoC DMA support"
 626         depends on MACH_TX49XX || MACH_TX39XX
 627         select DMA_ENGINE
 628         help
 629           Support the TXx9 SoC internal DMA controller.  This can be
 630           integrated in chips such as the Toshiba TX4927/38/39.
 631
 632 config TEGRA20_APB_DMA
 633         tristate "NVIDIA Tegra20 APB DMA support"
 634         depends on ARCH_TEGRA || COMPILE_TEST
 635         select DMA_ENGINE
 636         help
 637           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 638           DMA controller is having multiple DMA channel which can be
 639           configured for different peripherals like audio, UART, SPI,
 640           I2C etc which is in APB bus.
 641           This DMA controller transfers data from memory to peripheral fifo
 642           or vice versa. It does not support memory to memory data transfer.
 643
 644 config TEGRA210_ADMA
 645         tristate "NVIDIA Tegra210 ADMA support"
 646         depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
 647         select DMA_ENGINE
 648         select DMA_VIRTUAL_CHANNELS
 649         help
 650           Support for the NVIDIA Tegra210 ADMA controller driver. The
 651           DMA controller has multiple DMA channels and is used to service
 652           various audio clients in the Tegra210 audio processing engine
 653           (APE). This DMA controller transfers data from memory to
 654           peripheral and vice versa. It does not support memory to
 655           memory data transfer.
 656
 657 config TIMB_DMA
 658         tristate "Timberdale FPGA DMA support"
 659         depends on MFD_TIMBERDALE || COMPILE_TEST
 660         select DMA_ENGINE
 661         help
 662           Enable support for the Timberdale FPGA DMA engine.
 663
 664 config UNIPHIER_MDMAC
 665         tristate "UniPhier MIO DMAC"
 666         depends on ARCH_UNIPHIER || COMPILE_TEST
 667         depends on OF
 668         select DMA_ENGINE
 669         select DMA_VIRTUAL_CHANNELS
 670         help
 671           Enable support for the MIO DMAC (Media I/O DMA controller) on the
 672           UniPhier platform.  This DMA controller is used as the external
 673           DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
 674
 675 config UNIPHIER_XDMAC
 676         tristate "UniPhier XDMAC support"
 677         depends on ARCH_UNIPHIER || COMPILE_TEST
 678         depends on OF
 679         select DMA_ENGINE
 680         select DMA_VIRTUAL_CHANNELS
 681         help
 682           Enable support for the XDMAC (external DMA controller) on the
 683           UniPhier platform. This DMA controller can transfer data from
 684           memory to memory, memory to peripheral and peripheral to memory.
 685
 686 config XGENE_DMA
 687         tristate "APM X-Gene DMA support"
 688         depends on ARCH_XGENE || COMPILE_TEST
 689         select DMA_ENGINE
 690         select DMA_ENGINE_RAID
 691         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 692         help
 693           Enable support for the APM X-Gene SoC DMA engine.
 694
 695 config XILINX_DMA
 696         tristate "Xilinx AXI DMAS Engine"
 697         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 698         select DMA_ENGINE
 699         help
 700           Enable support for Xilinx AXI VDMA Soft IP.
 701
 702           AXI VDMA engine provides high-bandwidth direct memory access
 703           between memory and AXI4-Stream video type target
 704           peripherals including peripherals which support AXI4-
 705           Stream Video Protocol.  It has two stream interfaces/
 706           channels, Memory Mapped to Stream (MM2S) and Stream to
 707           Memory Mapped (S2MM) for the data transfers.
 708           AXI CDMA engine provides high-bandwidth direct memory access
 709           between a memory-mapped source address and a memory-mapped
 710           destination address.
 711           AXI DMA engine provides high-bandwidth one dimensional direct
 712           memory access between memory and AXI4-Stream target peripherals.
 713           AXI MCDMA engine provides high-bandwidth direct memory access
 714           between memory and AXI4-Stream target peripherals. It provides
 715           the scatter gather interface with multiple channels independent
 716           configuration support.
 717
 718 config XILINX_ZYNQMP_DMA
 719         tristate "Xilinx ZynqMP DMA Engine"
 720         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 721         select DMA_ENGINE
 722         help
 723           Enable support for Xilinx ZynqMP DMA controller.
 724
 725 config XILINX_ZYNQMP_DPDMA
 726         tristate "Xilinx DPDMA Engine"
 727         depends on HAS_IOMEM && OF
 728         select DMA_ENGINE
 729         select DMA_VIRTUAL_CHANNELS
 730         help
 731           Enable support for Xilinx ZynqMP DisplayPort DMA. Choose this option
 732           if you have a Xilinx ZynqMP SoC with a DisplayPort subsystem. The
 733           driver provides the dmaengine required by the DisplayPort subsystem
 734           display driver.
 735
 736 # driver files
 737 source "drivers/dma/bestcomm/Kconfig"
 738
 739 source "drivers/dma/mediatek/Kconfig"
 740
 741 source "drivers/dma/ptdma/Kconfig"
 742
 743 source "drivers/dma/qcom/Kconfig"
 744
 745 source "drivers/dma/dw/Kconfig"
 746
 747 source "drivers/dma/dw-edma/Kconfig"
 748
 749 source "drivers/dma/hsu/Kconfig"
 750
 751 source "drivers/dma/sf-pdma/Kconfig"
 752
 753 source "drivers/dma/sh/Kconfig"
 754
 755 source "drivers/dma/ti/Kconfig"
 756
 757 source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
 758
 759 source "drivers/dma/lgm/Kconfig"
 760
 761 # clients
 762 comment "DMA Clients"
 763         depends on DMA_ENGINE
 764
 765 config ASYNC_TX_DMA
 766         bool "Async_tx: Offload support for the async_tx api"
 767         depends on DMA_ENGINE
 768         help
 769           This allows the async_tx api to take advantage of offload engines for
 770           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 771           a dma engine that can perform raid operations and you have enabled
 772           MD_RAID456 say Y.
 773
 774           If unsure, say N.
 775
 776 config DMATEST
 777         tristate "DMA Test client"
 778         depends on DMA_ENGINE
 779         select DMA_ENGINE_RAID
 780         help
 781           Simple DMA test client. Say N unless you're debugging a
 782           DMA Device driver.
 783
 784 config DMA_ENGINE_RAID
 785         bool
 786
 787 endif