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 Device's 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 IMG_MDC_DMA
 243         tristate "IMG MDC support"
 244         depends on MIPS || COMPILE_TEST
 245         depends on MFD_SYSCON
 246         select DMA_ENGINE
 247         select DMA_VIRTUAL_CHANNELS
 248         help
 249           Enable support for the IMG multi-threaded DMA controller (MDC).
 250
 251 config IMX_DMA
 252         tristate "i.MX DMA support"
 253         depends on ARCH_MXC
 254         select DMA_ENGINE
 255         help
 256           Support the i.MX DMA engine. This engine is integrated into
 257           Freescale i.MX1/21/27 chips.
 258
 259 config IMX_SDMA
 260         tristate "i.MX SDMA support"
 261         depends on ARCH_MXC
 262         select DMA_ENGINE
 263         select DMA_VIRTUAL_CHANNELS
 264         help
 265           Support the i.MX SDMA engine. This engine is integrated into
 266           Freescale i.MX25/31/35/51/53/6 chips.
 267
 268 config INTEL_IDMA64
 269         tristate "Intel integrated DMA 64-bit support"
 270         select DMA_ENGINE
 271         select DMA_VIRTUAL_CHANNELS
 272         help
 273           Enable DMA support for Intel Low Power Subsystem such as found on
 274           Intel Skylake PCH.
 275
 276 config INTEL_IOATDMA
 277         tristate "Intel I/OAT DMA support"
 278         depends on PCI && X86_64
 279         select DMA_ENGINE
 280         select DMA_ENGINE_RAID
 281         select DCA
 282         help
 283           Enable support for the Intel(R) I/OAT DMA engine present
 284           in recent Intel Xeon chipsets.
 285
 286           Say Y here if you have such a chipset.
 287
 288           If unsure, say N.
 289
 290 config INTEL_IOP_ADMA
 291         tristate "Intel IOP32x ADMA support"
 292         depends on ARCH_IOP32X || COMPILE_TEST
 293         select DMA_ENGINE
 294         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 295         help
 296           Enable support for the Intel(R) IOP Series RAID engines.
 297
 298 config INTEL_MIC_X100_DMA
 299         tristate "Intel MIC X100 DMA Driver"
 300         depends on 64BIT && X86 && INTEL_MIC_BUS
 301         select DMA_ENGINE
 302         help
 303           This enables DMA support for the Intel Many Integrated Core
 304           (MIC) family of PCIe form factor coprocessor X100 devices that
 305           run a 64 bit Linux OS. This driver will be used by both MIC
 306           host and card drivers.
 307
 308           If you are building host kernel with a MIC device or a card
 309           kernel for a MIC device, then say M (recommended) or Y, else
 310           say N. If unsure say N.
 311
 312           More information about the Intel MIC family as well as the Linux
 313           OS and tools for MIC to use with this driver are available from
 314           <http://software.intel.com/en-us/mic-developer>.
 315
 316 config K3_DMA
 317         tristate "Hisilicon K3 DMA support"
 318         depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
 319         select DMA_ENGINE
 320         select DMA_VIRTUAL_CHANNELS
 321         help
 322           Support the DMA engine for Hisilicon K3 platform
 323           devices.
 324
 325 config LPC18XX_DMAMUX
 326         bool "NXP LPC18xx/43xx DMA MUX for PL080"
 327         depends on ARCH_LPC18XX || COMPILE_TEST
 328         depends on OF && AMBA_PL08X
 329         select MFD_SYSCON
 330         help
 331           Enable support for DMA on NXP LPC18xx/43xx platforms
 332           with PL080 and multiplexed DMA request lines.
 333
 334 config MCF_EDMA
 335         tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
 336         depends on M5441x || COMPILE_TEST
 337         select DMA_ENGINE
 338         select DMA_VIRTUAL_CHANNELS
 339         help
 340           Support the Freescale ColdFire eDMA engine, 64-channel
 341           implementation that performs complex data transfers with
 342           minimal intervention from a host processor.
 343           This module can be found on Freescale ColdFire mcf5441x SoCs.
 344
 345 config MMP_PDMA
 346         bool "MMP PDMA support"
 347         depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
 348         select DMA_ENGINE
 349         help
 350           Support the MMP PDMA engine for PXA and MMP platform.
 351
 352 config MMP_TDMA
 353         bool "MMP Two-Channel DMA support"
 354         depends on ARCH_MMP || COMPILE_TEST
 355         select DMA_ENGINE
 356         select MMP_SRAM if ARCH_MMP
 357         select GENERIC_ALLOCATOR
 358         help
 359           Support the MMP Two-Channel DMA engine.
 360           This engine used for MMP Audio DMA and pxa910 SQU.
 361           It needs sram driver under mach-mmp.
 362
 363 config MOXART_DMA
 364         tristate "MOXART DMA support"
 365         depends on ARCH_MOXART
 366         select DMA_ENGINE
 367         select DMA_VIRTUAL_CHANNELS
 368         help
 369           Enable support for the MOXA ART SoC DMA controller.
 370
 371           Say Y here if you enabled MMP ADMA, otherwise say N.
 372
 373 config MPC512X_DMA
 374         tristate "Freescale MPC512x built-in DMA engine support"
 375         depends on PPC_MPC512x || PPC_MPC831x
 376         select DMA_ENGINE
 377         ---help---
 378           Enable support for the Freescale MPC512x built-in DMA engine.
 379
 380 config MV_XOR
 381         bool "Marvell XOR engine support"
 382         depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
 383         select DMA_ENGINE
 384         select DMA_ENGINE_RAID
 385         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 386         ---help---
 387           Enable support for the Marvell XOR engine.
 388
 389 config MV_XOR_V2
 390         bool "Marvell XOR engine version 2 support "
 391         depends on ARM64
 392         select DMA_ENGINE
 393         select DMA_ENGINE_RAID
 394         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 395         select GENERIC_MSI_IRQ_DOMAIN
 396         ---help---
 397           Enable support for the Marvell version 2 XOR engine.
 398
 399           This engine provides acceleration for copy, XOR and RAID6
 400           operations, and is available on Marvell Armada 7K and 8K
 401           platforms.
 402
 403 config MXS_DMA
 404         bool "MXS DMA support"
 405         depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
 406         select STMP_DEVICE
 407         select DMA_ENGINE
 408         help
 409           Support the MXS DMA engine. This engine including APBH-DMA
 410           and APBX-DMA is integrated into some Freescale chips.
 411
 412 config MX3_IPU
 413         bool "MX3x Image Processing Unit support"
 414         depends on ARCH_MXC
 415         select DMA_ENGINE
 416         default y
 417         help
 418           If you plan to use the Image Processing unit in the i.MX3x, say
 419           Y here. If unsure, select Y.
 420
 421 config MX3_IPU_IRQS
 422         int "Number of dynamically mapped interrupts for IPU"
 423         depends on MX3_IPU
 424         range 2 137
 425         default 4
 426         help
 427           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 428           To avoid bloating the irq_desc[] array we allocate a sufficient
 429           number of IRQ slots and map them dynamically to specific sources.
 430
 431 config NBPFAXI_DMA
 432         tristate "Renesas Type-AXI NBPF DMA support"
 433         select DMA_ENGINE
 434         depends on ARM || COMPILE_TEST
 435         help
 436           Support for "Type-AXI" NBPF DMA IPs from Renesas
 437
 438 config OWL_DMA
 439         tristate "Actions Semi Owl SoCs DMA support"
 440         depends on ARCH_ACTIONS
 441         select DMA_ENGINE
 442         select DMA_VIRTUAL_CHANNELS
 443         help
 444           Enable support for the Actions Semi Owl SoCs DMA controller.
 445
 446 config PCH_DMA
 447         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 448         depends on PCI && (X86_32 || COMPILE_TEST)
 449         select DMA_ENGINE
 450         help
 451           Enable support for Intel EG20T PCH DMA engine.
 452
 453           This driver also can be used for LAPIS Semiconductor IOH(Input/
 454           Output Hub), ML7213, ML7223 and ML7831.
 455           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 456           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 457           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 458           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 459
 460 config PL330_DMA
 461         tristate "DMA API Driver for PL330"
 462         select DMA_ENGINE
 463         depends on ARM_AMBA
 464         help
 465           Select if your platform has one or more PL330 DMACs.
 466           You need to provide platform specific settings via
 467           platform_data for a dma-pl330 device.
 468
 469 config PXA_DMA
 470         bool "PXA DMA support"
 471         depends on (ARCH_MMP || ARCH_PXA)
 472         select DMA_ENGINE
 473         select DMA_VIRTUAL_CHANNELS
 474         help
 475           Support the DMA engine for PXA. It is also compatible with MMP PDMA
 476           platform. The internal DMA IP of all PXA variants is supported, with
 477           16 to 32 channels for peripheral to memory or memory to memory
 478           transfers.
 479
 480 config SIRF_DMA
 481         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 482         depends on ARCH_SIRF
 483         select DMA_ENGINE
 484         help
 485           Enable support for the CSR SiRFprimaII DMA engine.
 486
 487 config STE_DMA40
 488         bool "ST-Ericsson DMA40 support"
 489         depends on ARCH_U8500
 490         select DMA_ENGINE
 491         help
 492           Support for ST-Ericsson DMA40 controller
 493
 494 config ST_FDMA
 495         tristate "ST FDMA dmaengine support"
 496         depends on ARCH_STI
 497         depends on REMOTEPROC
 498         select ST_SLIM_REMOTEPROC
 499         select DMA_ENGINE
 500         select DMA_VIRTUAL_CHANNELS
 501         help
 502           Enable support for ST FDMA controller.
 503           It supports 16 independent DMA channels, accepts up to 32 DMA requests
 504
 505           Say Y here if you have such a chipset.
 506           If unsure, say N.
 507
 508 config STM32_DMA
 509         bool "STMicroelectronics STM32 DMA support"
 510         depends on ARCH_STM32 || COMPILE_TEST
 511         select DMA_ENGINE
 512         select DMA_VIRTUAL_CHANNELS
 513         help
 514           Enable support for the on-chip DMA controller on STMicroelectronics
 515           STM32 MCUs.
 516           If you have a board based on such a MCU and wish to use DMA say Y
 517           here.
 518
 519 config STM32_DMAMUX
 520         bool "STMicroelectronics STM32 dma multiplexer support"
 521         depends on STM32_DMA || COMPILE_TEST
 522         help
 523           Enable support for the on-chip DMA multiplexer on STMicroelectronics
 524           STM32 MCUs.
 525           If you have a board based on such a MCU and wish to use DMAMUX say Y
 526           here.
 527
 528 config STM32_MDMA
 529         bool "STMicroelectronics STM32 master dma support"
 530         depends on ARCH_STM32 || COMPILE_TEST
 531         depends on OF
 532         select DMA_ENGINE
 533         select DMA_VIRTUAL_CHANNELS
 534         help
 535           Enable support for the on-chip MDMA controller on STMicroelectronics
 536           STM32 platforms.
 537           If you have a board based on STM32 SoC and wish to use the master DMA
 538           say Y here.
 539
 540 config SPRD_DMA
 541         tristate "Spreadtrum DMA support"
 542         depends on ARCH_SPRD || COMPILE_TEST
 543         select DMA_ENGINE
 544         select DMA_VIRTUAL_CHANNELS
 545         help
 546           Enable support for the on-chip DMA controller on Spreadtrum platform.
 547
 548 config S3C24XX_DMAC
 549         bool "Samsung S3C24XX DMA support"
 550         depends on ARCH_S3C24XX || COMPILE_TEST
 551         select DMA_ENGINE
 552         select DMA_VIRTUAL_CHANNELS
 553         help
 554           Support for the Samsung S3C24XX DMA controller driver. The
 555           DMA controller is having multiple DMA channels which can be
 556           configured for different peripherals like audio, UART, SPI.
 557           The DMA controller can transfer data from memory to peripheral,
 558           periphal to memory, periphal to periphal and memory to memory.
 559
 560 config TXX9_DMAC
 561         tristate "Toshiba TXx9 SoC DMA support"
 562         depends on MACH_TX49XX || MACH_TX39XX
 563         select DMA_ENGINE
 564         help
 565           Support the TXx9 SoC internal DMA controller.  This can be
 566           integrated in chips such as the Toshiba TX4927/38/39.
 567
 568 config TEGRA20_APB_DMA
 569         bool "NVIDIA Tegra20 APB DMA support"
 570         depends on ARCH_TEGRA
 571         select DMA_ENGINE
 572         help
 573           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 574           DMA controller is having multiple DMA channel which can be
 575           configured for different peripherals like audio, UART, SPI,
 576           I2C etc which is in APB bus.
 577           This DMA controller transfers data from memory to peripheral fifo
 578           or vice versa. It does not support memory to memory data transfer.
 579
 580 config TEGRA210_ADMA
 581         tristate "NVIDIA Tegra210 ADMA support"
 582         depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
 583         select DMA_ENGINE
 584         select DMA_VIRTUAL_CHANNELS
 585         help
 586           Support for the NVIDIA Tegra210 ADMA controller driver. The
 587           DMA controller has multiple DMA channels and is used to service
 588           various audio clients in the Tegra210 audio processing engine
 589           (APE). This DMA controller transfers data from memory to
 590           peripheral and vice versa. It does not support memory to
 591           memory data transfer.
 592
 593 config TIMB_DMA
 594         tristate "Timberdale FPGA DMA support"
 595         depends on MFD_TIMBERDALE || COMPILE_TEST
 596         select DMA_ENGINE
 597         help
 598           Enable support for the Timberdale FPGA DMA engine.
 599
 600 config UNIPHIER_MDMAC
 601         tristate "UniPhier MIO DMAC"
 602         depends on ARCH_UNIPHIER || COMPILE_TEST
 603         depends on OF
 604         select DMA_ENGINE
 605         select DMA_VIRTUAL_CHANNELS
 606         help
 607           Enable support for the MIO DMAC (Media I/O DMA controller) on the
 608           UniPhier platform.  This DMA controller is used as the external
 609           DMA engine of the SD/eMMC controllers of the LD4, Pro4, sLD8 SoCs.
 610
 611 config XGENE_DMA
 612         tristate "APM X-Gene DMA support"
 613         depends on ARCH_XGENE || COMPILE_TEST
 614         select DMA_ENGINE
 615         select DMA_ENGINE_RAID
 616         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 617         help
 618           Enable support for the APM X-Gene SoC DMA engine.
 619
 620 config XILINX_DMA
 621         tristate "Xilinx AXI DMAS Engine"
 622         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 623         select DMA_ENGINE
 624         help
 625           Enable support for Xilinx AXI VDMA Soft IP.
 626
 627           AXI VDMA engine provides high-bandwidth direct memory access
 628           between memory and AXI4-Stream video type target
 629           peripherals including peripherals which support AXI4-
 630           Stream Video Protocol.  It has two stream interfaces/
 631           channels, Memory Mapped to Stream (MM2S) and Stream to
 632           Memory Mapped (S2MM) for the data transfers.
 633           AXI CDMA engine provides high-bandwidth direct memory access
 634           between a memory-mapped source address and a memory-mapped
 635           destination address.
 636           AXI DMA engine provides high-bandwidth one dimensional direct
 637           memory access between memory and AXI4-Stream target peripherals.
 638
 639 config XILINX_ZYNQMP_DMA
 640         tristate "Xilinx ZynqMP DMA Engine"
 641         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 642         select DMA_ENGINE
 643         help
 644           Enable support for Xilinx ZynqMP DMA controller.
 645
 646 config ZX_DMA
 647         tristate "ZTE ZX DMA support"
 648         depends on ARCH_ZX || COMPILE_TEST
 649         select DMA_ENGINE
 650         select DMA_VIRTUAL_CHANNELS
 651         help
 652           Support the DMA engine for ZTE ZX family platform devices.
 653
 654
 655 # driver files
 656 source "drivers/dma/bestcomm/Kconfig"
 657
 658 source "drivers/dma/mediatek/Kconfig"
 659
 660 source "drivers/dma/qcom/Kconfig"
 661
 662 source "drivers/dma/dw/Kconfig"
 663
 664 source "drivers/dma/dw-edma/Kconfig"
 665
 666 source "drivers/dma/hsu/Kconfig"
 667
 668 source "drivers/dma/sh/Kconfig"
 669
 670 source "drivers/dma/ti/Kconfig"
 671
 672 # clients
 673 comment "DMA Clients"
 674         depends on DMA_ENGINE
 675
 676 config ASYNC_TX_DMA
 677         bool "Async_tx: Offload support for the async_tx api"
 678         depends on DMA_ENGINE
 679         help
 680           This allows the async_tx api to take advantage of offload engines for
 681           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 682           a dma engine that can perform raid operations and you have enabled
 683           MD_RAID456 say Y.
 684
 685           If unsure, say N.
 686
 687 config DMATEST
 688         tristate "DMA Test client"
 689         depends on DMA_ENGINE
 690         select DMA_ENGINE_RAID
 691         help
 692           Simple DMA test client. Say N unless you're debugging a
 693           DMA Device driver.
 694
 695 config DMA_ENGINE_RAID
 696         bool
 697
 698 endif