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         help
 107           Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
 108           controller is often used in Analog Device's reference designs for FPGA
 109           platforms.
 110
 111 config BCM_SBA_RAID
 112         tristate "Broadcom SBA RAID engine support"
 113         depends on ARM64 || COMPILE_TEST
 114         depends on MAILBOX && RAID6_PQ
 115         select DMA_ENGINE
 116         select DMA_ENGINE_RAID
 117         select ASYNC_TX_DISABLE_XOR_VAL_DMA
 118         select ASYNC_TX_DISABLE_PQ_VAL_DMA
 119         default m if ARCH_BCM_IPROC
 120         help
 121           Enable support for Broadcom SBA RAID Engine. The SBA RAID
 122           engine is available on most of the Broadcom iProc SoCs. It
 123           has the capability to offload memcpy, xor and pq computation
 124           for raid5/6.
 125
 126 config COH901318
 127         bool "ST-Ericsson COH901318 DMA support"
 128         select DMA_ENGINE
 129         depends on ARCH_U300 || COMPILE_TEST
 130         help
 131           Enable support for ST-Ericsson COH 901 318 DMA.
 132
 133 config DMA_BCM2835
 134         tristate "BCM2835 DMA engine support"
 135         depends on ARCH_BCM2835
 136         select DMA_ENGINE
 137         select DMA_VIRTUAL_CHANNELS
 138
 139 config DMA_JZ4740
 140         tristate "JZ4740 DMA support"
 141         depends on MACH_JZ4740 || COMPILE_TEST
 142         select DMA_ENGINE
 143         select DMA_VIRTUAL_CHANNELS
 144
 145 config DMA_JZ4780
 146         tristate "JZ4780 DMA support"
 147         depends on MIPS || COMPILE_TEST
 148         select DMA_ENGINE
 149         select DMA_VIRTUAL_CHANNELS
 150         help
 151           This selects support for the DMA controller in Ingenic JZ4780 SoCs.
 152           If you have a board based on such a SoC and wish to use DMA for
 153           devices which can use the DMA controller, say Y or M here.
 154
 155 config DMA_SA11X0
 156         tristate "SA-11x0 DMA support"
 157         depends on ARCH_SA1100 || COMPILE_TEST
 158         select DMA_ENGINE
 159         select DMA_VIRTUAL_CHANNELS
 160         help
 161           Support the DMA engine found on Intel StrongARM SA-1100 and
 162           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 163           devices.
 164
 165 config DMA_SUN4I
 166         tristate "Allwinner A10 DMA SoCs support"
 167         depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
 168         default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
 169         select DMA_ENGINE
 170         select DMA_VIRTUAL_CHANNELS
 171         help
 172           Enable support for the DMA controller present in the sun4i,
 173           sun5i and sun7i Allwinner ARM SoCs.
 174
 175 config DMA_SUN6I
 176         tristate "Allwinner A31 SoCs DMA support"
 177         depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
 178         depends on RESET_CONTROLLER
 179         select DMA_ENGINE
 180         select DMA_VIRTUAL_CHANNELS
 181         help
 182           Support for the DMA engine first found in Allwinner A31 SoCs.
 183
 184 config DW_AXI_DMAC
 185         tristate "Synopsys DesignWare AXI DMA support"
 186         depends on OF || COMPILE_TEST
 187         select DMA_ENGINE
 188         select DMA_VIRTUAL_CHANNELS
 189         help
 190           Enable support for Synopsys DesignWare AXI DMA controller.
 191           NOTE: This driver wasn't tested on 64 bit platform because
 192           of lack 64 bit platform with Synopsys DW AXI DMAC.
 193
 194 config EP93XX_DMA
 195         bool "Cirrus Logic EP93xx DMA support"
 196         depends on ARCH_EP93XX || COMPILE_TEST
 197         select DMA_ENGINE
 198         help
 199           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 200
 201 config FSL_DMA
 202         tristate "Freescale Elo series DMA support"
 203         depends on FSL_SOC
 204         select DMA_ENGINE
 205         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 206         ---help---
 207           Enable support for the Freescale Elo series DMA controllers.
 208           The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
 209           EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
 210           some Txxx and Bxxx parts.
 211
 212 config FSL_EDMA
 213         tristate "Freescale eDMA engine support"
 214         depends on OF
 215         select DMA_ENGINE
 216         select DMA_VIRTUAL_CHANNELS
 217         help
 218           Support the Freescale eDMA engine with programmable channel
 219           multiplexing capability for DMA request sources(slot).
 220           This module can be found on Freescale Vybrid and LS-1 SoCs.
 221
 222 config FSL_QDMA
 223        tristate "NXP Layerscape qDMA engine support"
 224        depends on ARM || ARM64
 225        select DMA_ENGINE
 226        select DMA_VIRTUAL_CHANNELS
 227        select DMA_ENGINE_RAID
 228        select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 229        help
 230          Support the NXP Layerscape qDMA engine with command queue and legacy mode.
 231          Channel virtualization is supported through enqueuing of DMA jobs to,
 232          or dequeuing DMA jobs from, different work queues.
 233          This module can be found on NXP Layerscape SoCs.
 234           The qdma driver only work on  SoCs with a DPAA hardware block.
 235
 236 config FSL_RAID
 237         tristate "Freescale RAID engine Support"
 238         depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
 239         select DMA_ENGINE
 240         select DMA_ENGINE_RAID
 241         ---help---
 242           Enable support for Freescale RAID Engine. RAID Engine is
 243           available on some QorIQ SoCs (like P5020/P5040). It has
 244           the capability to offload memcpy, xor and pq computation
 245           for raid5/6.
 246
 247 config IMG_MDC_DMA
 248         tristate "IMG MDC support"
 249         depends on MIPS || COMPILE_TEST
 250         depends on MFD_SYSCON
 251         select DMA_ENGINE
 252         select DMA_VIRTUAL_CHANNELS
 253         help
 254           Enable support for the IMG multi-threaded DMA controller (MDC).
 255
 256 config IMX_DMA
 257         tristate "i.MX DMA support"
 258         depends on ARCH_MXC
 259         select DMA_ENGINE
 260         help
 261           Support the i.MX DMA engine. This engine is integrated into
 262           Freescale i.MX1/21/27 chips.
 263
 264 config IMX_SDMA
 265         tristate "i.MX SDMA support"
 266         depends on ARCH_MXC
 267         select DMA_ENGINE
 268         select DMA_VIRTUAL_CHANNELS
 269         help
 270           Support the i.MX SDMA engine. This engine is integrated into
 271           Freescale i.MX25/31/35/51/53/6 chips.
 272
 273 config INTEL_IDMA64
 274         tristate "Intel integrated DMA 64-bit support"
 275         select DMA_ENGINE
 276         select DMA_VIRTUAL_CHANNELS
 277         help
 278           Enable DMA support for Intel Low Power Subsystem such as found on
 279           Intel Skylake PCH.
 280
 281 config INTEL_IOATDMA
 282         tristate "Intel I/OAT DMA support"
 283         depends on PCI && X86_64
 284         select DMA_ENGINE
 285         select DMA_ENGINE_RAID
 286         select DCA
 287         help
 288           Enable support for the Intel(R) I/OAT DMA engine present
 289           in recent Intel Xeon chipsets.
 290
 291           Say Y here if you have such a chipset.
 292
 293           If unsure, say N.
 294
 295 config INTEL_IOP_ADMA
 296         tristate "Intel IOP ADMA support"
 297         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
 298         select DMA_ENGINE
 299         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 300         help
 301           Enable support for the Intel(R) IOP Series RAID engines.
 302
 303 config INTEL_MIC_X100_DMA
 304         tristate "Intel MIC X100 DMA Driver"
 305         depends on 64BIT && X86 && INTEL_MIC_BUS
 306         select DMA_ENGINE
 307         help
 308           This enables DMA support for the Intel Many Integrated Core
 309           (MIC) family of PCIe form factor coprocessor X100 devices that
 310           run a 64 bit Linux OS. This driver will be used by both MIC
 311           host and card drivers.
 312
 313           If you are building host kernel with a MIC device or a card
 314           kernel for a MIC device, then say M (recommended) or Y, else
 315           say N. If unsure say N.
 316
 317           More information about the Intel MIC family as well as the Linux
 318           OS and tools for MIC to use with this driver are available from
 319           <http://software.intel.com/en-us/mic-developer>.
 320
 321 config K3_DMA
 322         tristate "Hisilicon K3 DMA support"
 323         depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
 324         select DMA_ENGINE
 325         select DMA_VIRTUAL_CHANNELS
 326         help
 327           Support the DMA engine for Hisilicon K3 platform
 328           devices.
 329
 330 config LPC18XX_DMAMUX
 331         bool "NXP LPC18xx/43xx DMA MUX for PL080"
 332         depends on ARCH_LPC18XX || COMPILE_TEST
 333         depends on OF && AMBA_PL08X
 334         select MFD_SYSCON
 335         help
 336           Enable support for DMA on NXP LPC18xx/43xx platforms
 337           with PL080 and multiplexed DMA request lines.
 338
 339 config MCF_EDMA
 340         tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
 341         depends on M5441x || COMPILE_TEST
 342         select DMA_ENGINE
 343         select DMA_VIRTUAL_CHANNELS
 344         help
 345           Support the Freescale ColdFire eDMA engine, 64-channel
 346           implementation that performs complex data transfers with
 347           minimal intervention from a host processor.
 348           This module can be found on Freescale ColdFire mcf5441x SoCs.
 349
 350 config MMP_PDMA
 351         bool "MMP PDMA support"
 352         depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
 353         select DMA_ENGINE
 354         help
 355           Support the MMP PDMA engine for PXA and MMP platform.
 356
 357 config MMP_TDMA
 358         bool "MMP Two-Channel DMA support"
 359         depends on ARCH_MMP || COMPILE_TEST
 360         select DMA_ENGINE
 361         select MMP_SRAM if ARCH_MMP
 362         select GENERIC_ALLOCATOR
 363         help
 364           Support the MMP Two-Channel DMA engine.
 365           This engine used for MMP Audio DMA and pxa910 SQU.
 366           It needs sram driver under mach-mmp.
 367
 368 config MOXART_DMA
 369         tristate "MOXART DMA support"
 370         depends on ARCH_MOXART
 371         select DMA_ENGINE
 372         select DMA_VIRTUAL_CHANNELS
 373         help
 374           Enable support for the MOXA ART SoC DMA controller.
 375
 376           Say Y here if you enabled MMP ADMA, otherwise say N.
 377
 378 config MPC512X_DMA
 379         tristate "Freescale MPC512x built-in DMA engine support"
 380         depends on PPC_MPC512x || PPC_MPC831x
 381         select DMA_ENGINE
 382         ---help---
 383           Enable support for the Freescale MPC512x built-in DMA engine.
 384
 385 config MV_XOR
 386         bool "Marvell XOR engine support"
 387         depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
 388         select DMA_ENGINE
 389         select DMA_ENGINE_RAID
 390         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 391         ---help---
 392           Enable support for the Marvell XOR engine.
 393
 394 config MV_XOR_V2
 395         bool "Marvell XOR engine version 2 support "
 396         depends on ARM64
 397         select DMA_ENGINE
 398         select DMA_ENGINE_RAID
 399         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 400         select GENERIC_MSI_IRQ_DOMAIN
 401         ---help---
 402           Enable support for the Marvell version 2 XOR engine.
 403
 404           This engine provides acceleration for copy, XOR and RAID6
 405           operations, and is available on Marvell Armada 7K and 8K
 406           platforms.
 407
 408 config MXS_DMA
 409         bool "MXS DMA support"
 410         depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
 411         select STMP_DEVICE
 412         select DMA_ENGINE
 413         help
 414           Support the MXS DMA engine. This engine including APBH-DMA
 415           and APBX-DMA is integrated into some Freescale chips.
 416
 417 config MX3_IPU
 418         bool "MX3x Image Processing Unit support"
 419         depends on ARCH_MXC
 420         select DMA_ENGINE
 421         default y
 422         help
 423           If you plan to use the Image Processing unit in the i.MX3x, say
 424           Y here. If unsure, select Y.
 425
 426 config MX3_IPU_IRQS
 427         int "Number of dynamically mapped interrupts for IPU"
 428         depends on MX3_IPU
 429         range 2 137
 430         default 4
 431         help
 432           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 433           To avoid bloating the irq_desc[] array we allocate a sufficient
 434           number of IRQ slots and map them dynamically to specific sources.
 435
 436 config NBPFAXI_DMA
 437         tristate "Renesas Type-AXI NBPF DMA support"
 438         select DMA_ENGINE
 439         depends on ARM || COMPILE_TEST
 440         help
 441           Support for "Type-AXI" NBPF DMA IPs from Renesas
 442
 443 config OWL_DMA
 444         tristate "Actions Semi Owl SoCs DMA support"
 445         depends on ARCH_ACTIONS
 446         select DMA_ENGINE
 447         select DMA_VIRTUAL_CHANNELS
 448         help
 449           Enable support for the Actions Semi Owl SoCs DMA controller.
 450
 451 config PCH_DMA
 452         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 453         depends on PCI && (X86_32 || COMPILE_TEST)
 454         select DMA_ENGINE
 455         help
 456           Enable support for Intel EG20T PCH DMA engine.
 457
 458           This driver also can be used for LAPIS Semiconductor IOH(Input/
 459           Output Hub), ML7213, ML7223 and ML7831.
 460           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 461           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 462           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 463           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 464
 465 config PL330_DMA
 466         tristate "DMA API Driver for PL330"
 467         select DMA_ENGINE
 468         depends on ARM_AMBA
 469         help
 470           Select if your platform has one or more PL330 DMACs.
 471           You need to provide platform specific settings via
 472           platform_data for a dma-pl330 device.
 473
 474 config PXA_DMA
 475         bool "PXA DMA support"
 476         depends on (ARCH_MMP || ARCH_PXA)
 477         select DMA_ENGINE
 478         select DMA_VIRTUAL_CHANNELS
 479         help
 480           Support the DMA engine for PXA. It is also compatible with MMP PDMA
 481           platform. The internal DMA IP of all PXA variants is supported, with
 482           16 to 32 channels for peripheral to memory or memory to memory
 483           transfers.
 484
 485 config SIRF_DMA
 486         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 487         depends on ARCH_SIRF
 488         select DMA_ENGINE
 489         help
 490           Enable support for the CSR SiRFprimaII DMA engine.
 491
 492 config STE_DMA40
 493         bool "ST-Ericsson DMA40 support"
 494         depends on ARCH_U8500
 495         select DMA_ENGINE
 496         help
 497           Support for ST-Ericsson DMA40 controller
 498
 499 config ST_FDMA
 500         tristate "ST FDMA dmaengine support"
 501         depends on ARCH_STI
 502         depends on REMOTEPROC
 503         select ST_SLIM_REMOTEPROC
 504         select DMA_ENGINE
 505         select DMA_VIRTUAL_CHANNELS
 506         help
 507           Enable support for ST FDMA controller.
 508           It supports 16 independent DMA channels, accepts up to 32 DMA requests
 509
 510           Say Y here if you have such a chipset.
 511           If unsure, say N.
 512
 513 config STM32_DMA
 514         bool "STMicroelectronics STM32 DMA support"
 515         depends on ARCH_STM32 || COMPILE_TEST
 516         select DMA_ENGINE
 517         select DMA_VIRTUAL_CHANNELS
 518         help
 519           Enable support for the on-chip DMA controller on STMicroelectronics
 520           STM32 MCUs.
 521           If you have a board based on such a MCU and wish to use DMA say Y
 522           here.
 523
 524 config STM32_DMAMUX
 525         bool "STMicroelectronics STM32 dma multiplexer support"
 526         depends on STM32_DMA || COMPILE_TEST
 527         help
 528           Enable support for the on-chip DMA multiplexer on STMicroelectronics
 529           STM32 MCUs.
 530           If you have a board based on such a MCU and wish to use DMAMUX say Y
 531           here.
 532
 533 config STM32_MDMA
 534         bool "STMicroelectronics STM32 master dma support"
 535         depends on ARCH_STM32 || COMPILE_TEST
 536         depends on OF
 537         select DMA_ENGINE
 538         select DMA_VIRTUAL_CHANNELS
 539         help
 540           Enable support for the on-chip MDMA controller on STMicroelectronics
 541           STM32 platforms.
 542           If you have a board based on STM32 SoC and wish to use the master DMA
 543           say Y here.
 544
 545 config SPRD_DMA
 546         tristate "Spreadtrum DMA support"
 547         depends on ARCH_SPRD || COMPILE_TEST
 548         select DMA_ENGINE
 549         select DMA_VIRTUAL_CHANNELS
 550         help
 551           Enable support for the on-chip DMA controller on Spreadtrum platform.
 552
 553 config S3C24XX_DMAC
 554         bool "Samsung S3C24XX DMA support"
 555         depends on ARCH_S3C24XX || COMPILE_TEST
 556         select DMA_ENGINE
 557         select DMA_VIRTUAL_CHANNELS
 558         help
 559           Support for the Samsung S3C24XX DMA controller driver. The
 560           DMA controller is having multiple DMA channels which can be
 561           configured for different peripherals like audio, UART, SPI.
 562           The DMA controller can transfer data from memory to peripheral,
 563           periphal to memory, periphal to periphal and memory to memory.
 564
 565 config TXX9_DMAC
 566         tristate "Toshiba TXx9 SoC DMA support"
 567         depends on MACH_TX49XX || MACH_TX39XX
 568         select DMA_ENGINE
 569         help
 570           Support the TXx9 SoC internal DMA controller.  This can be
 571           integrated in chips such as the Toshiba TX4927/38/39.
 572
 573 config TEGRA20_APB_DMA
 574         bool "NVIDIA Tegra20 APB DMA support"
 575         depends on ARCH_TEGRA
 576         select DMA_ENGINE
 577         help
 578           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 579           DMA controller is having multiple DMA channel which can be
 580           configured for different peripherals like audio, UART, SPI,
 581           I2C etc which is in APB bus.
 582           This DMA controller transfers data from memory to peripheral fifo
 583           or vice versa. It does not support memory to memory data transfer.
 584
 585 config TEGRA210_ADMA
 586         tristate "NVIDIA Tegra210 ADMA support"
 587         depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
 588         select DMA_ENGINE
 589         select DMA_VIRTUAL_CHANNELS
 590         help
 591           Support for the NVIDIA Tegra210 ADMA controller driver. The
 592           DMA controller has multiple DMA channels and is used to service
 593           various audio clients in the Tegra210 audio processing engine
 594           (APE). This DMA controller transfers data from memory to
 595           peripheral and vice versa. It does not support memory to
 596           memory data transfer.
 597
 598 config TIMB_DMA
 599         tristate "Timberdale FPGA DMA support"
 600         depends on MFD_TIMBERDALE || COMPILE_TEST
 601         select DMA_ENGINE
 602         help
 603           Enable support for the Timberdale FPGA DMA engine.
 604
 605 config UNIPHIER_MDMAC
 606         tristate "UniPhier MIO DMAC"
 607         depends on ARCH_UNIPHIER || COMPILE_TEST
 608         depends on OF
 609         select DMA_ENGINE
 610         select DMA_VIRTUAL_CHANNELS
 611         help
 612           Enable support for the MIO DMAC (Media I/O DMA controller) on the
 613           UniPhier platform.  This DMA controller is used as the external
 614           DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
 615
 616 config XGENE_DMA
 617         tristate "APM X-Gene DMA support"
 618         depends on ARCH_XGENE || COMPILE_TEST
 619         select DMA_ENGINE
 620         select DMA_ENGINE_RAID
 621         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 622         help
 623           Enable support for the APM X-Gene SoC DMA engine.
 624
 625 config XILINX_DMA
 626         tristate "Xilinx AXI DMAS Engine"
 627         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 628         select DMA_ENGINE
 629         help
 630           Enable support for Xilinx AXI VDMA Soft IP.
 631
 632           AXI VDMA engine provides high-bandwidth direct memory access
 633           between memory and AXI4-Stream video type target
 634           peripherals including peripherals which support AXI4-
 635           Stream Video Protocol.  It has two stream interfaces/
 636           channels, Memory Mapped to Stream (MM2S) and Stream to
 637           Memory Mapped (S2MM) for the data transfers.
 638           AXI CDMA engine provides high-bandwidth direct memory access
 639           between a memory-mapped source address and a memory-mapped
 640           destination address.
 641           AXI DMA engine provides high-bandwidth one dimensional direct
 642           memory access between memory and AXI4-Stream target peripherals.
 643
 644 config XILINX_ZYNQMP_DMA
 645         tristate "Xilinx ZynqMP DMA Engine"
 646         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 647         select DMA_ENGINE
 648         help
 649           Enable support for Xilinx ZynqMP DMA controller.
 650
 651 config ZX_DMA
 652         tristate "ZTE ZX DMA support"
 653         depends on ARCH_ZX || COMPILE_TEST
 654         select DMA_ENGINE
 655         select DMA_VIRTUAL_CHANNELS
 656         help
 657           Support the DMA engine for ZTE ZX family platform devices.
 658
 659
 660 # driver files
 661 source "drivers/dma/bestcomm/Kconfig"
 662
 663 source "drivers/dma/mediatek/Kconfig"
 664
 665 source "drivers/dma/qcom/Kconfig"
 666
 667 source "drivers/dma/dw/Kconfig"
 668
 669 source "drivers/dma/hsu/Kconfig"
 670
 671 source "drivers/dma/sh/Kconfig"
 672
 673 source "drivers/dma/ti/Kconfig"
 674
 675 # clients
 676 comment "DMA Clients"
 677         depends on DMA_ENGINE
 678
 679 config ASYNC_TX_DMA
 680         bool "Async_tx: Offload support for the async_tx api"
 681         depends on DMA_ENGINE
 682         help
 683           This allows the async_tx api to take advantage of offload engines for
 684           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 685           a dma engine that can perform raid operations and you have enabled
 686           MD_RAID456 say Y.
 687
 688           If unsure, say N.
 689
 690 config DMATEST
 691         tristate "DMA Test client"
 692         depends on DMA_ENGINE
 693         select DMA_ENGINE_RAID
 694         help
 695           Simple DMA test client. Say N unless you're debugging a
 696           DMA Device driver.
 697
 698 config DMA_ENGINE_RAID
 699         bool
 700
 701 endif