drivers/dma/Kconfig

   1 #
   2 # DMA engine configuration
   3 #
   4
   5 menuconfig DMADEVICES
   6         bool "DMA Engine support"
   7         depends on HAS_DMA
   8         help
   9           DMA engines can do asynchronous data transfers without
  10           involving the host CPU.  Currently, this framework can be
  11           used to offload memory copies in the network stack and
  12           RAID operations in the MD driver.  This menu only presents
  13           DMA Device drivers supported by the configured arch, it may
  14           be empty in some cases.
  15
  16 config DMADEVICES_DEBUG
  17         bool "DMA Engine debugging"
  18         depends on DMADEVICES != n
  19         help
  20           This is an option for use by developers; most people should
  21           say N here.  This enables DMA engine core and driver debugging.
  22
  23 config DMADEVICES_VDEBUG
  24         bool "DMA Engine verbose debugging"
  25         depends on DMADEVICES_DEBUG != n
  26         help
  27           This is an option for use by developers; most people should
  28           say N here.  This enables deeper (more verbose) debugging of
  29           the DMA engine core and drivers.
  30
  31
  32 if DMADEVICES
  33
  34 comment "DMA Devices"
  35
  36 #core
  37 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
  38         bool
  39
  40 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
  41         bool
  42
  43 config DMA_ENGINE
  44         bool
  45
  46 config DMA_VIRTUAL_CHANNELS
  47         tristate
  48
  49 config DMA_ACPI
  50         def_bool y
  51         depends on ACPI
  52
  53 config DMA_OF
  54         def_bool y
  55         depends on OF
  56         select DMA_ENGINE
  57
  58 #devices
  59 config ALTERA_MSGDMA
  60         tristate "Altera / Intel mSGDMA Engine"
  61         select DMA_ENGINE
  62         help
  63           Enable support for Altera / Intel mSGDMA controller.
  64
  65 config AMBA_PL08X
  66         bool "ARM PrimeCell PL080 or PL081 support"
  67         depends on ARM_AMBA
  68         select DMA_ENGINE
  69         select DMA_VIRTUAL_CHANNELS
  70         help
  71           Say yes if your platform has a PL08x DMAC device which can
  72           provide DMA engine support. This includes the original ARM
  73           PL080 and PL081, Samsungs PL080 derivative and Faraday
  74           Technology's FTDMAC020 PL080 derivative.
  75
  76 config AMCC_PPC440SPE_ADMA
  77         tristate "AMCC PPC440SPe ADMA support"
  78         depends on 440SPe || 440SP
  79         select DMA_ENGINE
  80         select DMA_ENGINE_RAID
  81         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
  82         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  83         help
  84           Enable support for the AMCC PPC440SPe RAID engines.
  85
  86 config AT_HDMAC
  87         tristate "Atmel AHB DMA support"
  88         depends on ARCH_AT91
  89         select DMA_ENGINE
  90         help
  91           Support the Atmel AHB DMA controller.
  92
  93 config AT_XDMAC
  94         tristate "Atmel XDMA support"
  95         depends on ARCH_AT91
  96         select DMA_ENGINE
  97         help
  98           Support the Atmel XDMA controller.
  99
 100 config AXI_DMAC
 101         tristate "Analog Devices AXI-DMAC DMA support"
 102         depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
 103         select DMA_ENGINE
 104         select DMA_VIRTUAL_CHANNELS
 105         help
 106           Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
 107           controller is often used in Analog Device's reference designs for FPGA
 108           platforms.
 109
 110 config BCM_SBA_RAID
 111         tristate "Broadcom SBA RAID engine support"
 112         depends on ARM64 || COMPILE_TEST
 113         depends on MAILBOX && RAID6_PQ
 114         select DMA_ENGINE
 115         select DMA_ENGINE_RAID
 116         select ASYNC_TX_DISABLE_XOR_VAL_DMA
 117         select ASYNC_TX_DISABLE_PQ_VAL_DMA
 118         default m if ARCH_BCM_IPROC
 119         help
 120           Enable support for Broadcom SBA RAID Engine. The SBA RAID
 121           engine is available on most of the Broadcom iProc SoCs. It
 122           has the capability to offload memcpy, xor and pq computation
 123           for raid5/6.
 124
 125 config COH901318
 126         bool "ST-Ericsson COH901318 DMA support"
 127         select DMA_ENGINE
 128         depends on ARCH_U300 || COMPILE_TEST
 129         help
 130           Enable support for ST-Ericsson COH 901 318 DMA.
 131
 132 config DMA_BCM2835
 133         tristate "BCM2835 DMA engine support"
 134         depends on ARCH_BCM2835
 135         select DMA_ENGINE
 136         select DMA_VIRTUAL_CHANNELS
 137
 138 config DMA_JZ4740
 139         tristate "JZ4740 DMA support"
 140         depends on MACH_JZ4740 || COMPILE_TEST
 141         select DMA_ENGINE
 142         select DMA_VIRTUAL_CHANNELS
 143
 144 config DMA_JZ4780
 145         tristate "JZ4780 DMA support"
 146         depends on MACH_JZ4780 || COMPILE_TEST
 147         select DMA_ENGINE
 148         select DMA_VIRTUAL_CHANNELS
 149         help
 150           This selects support for the DMA controller in Ingenic JZ4780 SoCs.
 151           If you have a board based on such a SoC and wish to use DMA for
 152           devices which can use the DMA controller, say Y or M here.
 153
 154 config DMA_SA11X0
 155         tristate "SA-11x0 DMA support"
 156         depends on ARCH_SA1100 || COMPILE_TEST
 157         select DMA_ENGINE
 158         select DMA_VIRTUAL_CHANNELS
 159         help
 160           Support the DMA engine found on Intel StrongARM SA-1100 and
 161           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 162           devices.
 163
 164 config DMA_SUN4I
 165         tristate "Allwinner A10 DMA SoCs support"
 166         depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
 167         default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
 168         select DMA_ENGINE
 169         select DMA_VIRTUAL_CHANNELS
 170         help
 171           Enable support for the DMA controller present in the sun4i,
 172           sun5i and sun7i Allwinner ARM SoCs.
 173
 174 config DMA_SUN6I
 175         tristate "Allwinner A31 SoCs DMA support"
 176         depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
 177         depends on RESET_CONTROLLER
 178         select DMA_ENGINE
 179         select DMA_VIRTUAL_CHANNELS
 180         help
 181           Support for the DMA engine first found in Allwinner A31 SoCs.
 182
 183 config DW_AXI_DMAC
 184         tristate "Synopsys DesignWare AXI DMA support"
 185         depends on OF || COMPILE_TEST
 186         select DMA_ENGINE
 187         select DMA_VIRTUAL_CHANNELS
 188         help
 189           Enable support for Synopsys DesignWare AXI DMA controller.
 190           NOTE: This driver wasn't tested on 64 bit platform because
 191           of lack 64 bit platform with Synopsys DW AXI DMAC.
 192
 193 config EP93XX_DMA
 194         bool "Cirrus Logic EP93xx DMA support"
 195         depends on ARCH_EP93XX || COMPILE_TEST
 196         select DMA_ENGINE
 197         help
 198           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 199
 200 config FSL_DMA
 201         tristate "Freescale Elo series DMA support"
 202         depends on FSL_SOC
 203         select DMA_ENGINE
 204         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 205         ---help---
 206           Enable support for the Freescale Elo series DMA controllers.
 207           The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
 208           EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
 209           some Txxx and Bxxx parts.
 210
 211 config FSL_EDMA
 212         tristate "Freescale eDMA engine support"
 213         depends on OF
 214         select DMA_ENGINE
 215         select DMA_VIRTUAL_CHANNELS
 216         help
 217           Support the Freescale eDMA engine with programmable channel
 218           multiplexing capability for DMA request sources(slot).
 219           This module can be found on Freescale Vybrid and LS-1 SoCs.
 220
 221 config FSL_RAID
 222         tristate "Freescale RAID engine Support"
 223         depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
 224         select DMA_ENGINE
 225         select DMA_ENGINE_RAID
 226         ---help---
 227           Enable support for Freescale RAID Engine. RAID Engine is
 228           available on some QorIQ SoCs (like P5020/P5040). It has
 229           the capability to offload memcpy, xor and pq computation
 230           for raid5/6.
 231
 232 config IMG_MDC_DMA
 233         tristate "IMG MDC support"
 234         depends on MIPS || COMPILE_TEST
 235         depends on MFD_SYSCON
 236         select DMA_ENGINE
 237         select DMA_VIRTUAL_CHANNELS
 238         help
 239           Enable support for the IMG multi-threaded DMA controller (MDC).
 240
 241 config IMX_DMA
 242         tristate "i.MX DMA support"
 243         depends on ARCH_MXC
 244         select DMA_ENGINE
 245         help
 246           Support the i.MX DMA engine. This engine is integrated into
 247           Freescale i.MX1/21/27 chips.
 248
 249 config IMX_SDMA
 250         tristate "i.MX SDMA support"
 251         depends on ARCH_MXC
 252         select DMA_ENGINE
 253         help
 254           Support the i.MX SDMA engine. This engine is integrated into
 255           Freescale i.MX25/31/35/51/53/6 chips.
 256
 257 config INTEL_IDMA64
 258         tristate "Intel integrated DMA 64-bit support"
 259         select DMA_ENGINE
 260         select DMA_VIRTUAL_CHANNELS
 261         help
 262           Enable DMA support for Intel Low Power Subsystem such as found on
 263           Intel Skylake PCH.
 264
 265 config INTEL_IOATDMA
 266         tristate "Intel I/OAT DMA support"
 267         depends on PCI && X86_64
 268         select DMA_ENGINE
 269         select DMA_ENGINE_RAID
 270         select DCA
 271         help
 272           Enable support for the Intel(R) I/OAT DMA engine present
 273           in recent Intel Xeon chipsets.
 274
 275           Say Y here if you have such a chipset.
 276
 277           If unsure, say N.
 278
 279 config INTEL_IOP_ADMA
 280         tristate "Intel IOP ADMA support"
 281         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
 282         select DMA_ENGINE
 283         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 284         help
 285           Enable support for the Intel(R) IOP Series RAID engines.
 286
 287 config INTEL_MIC_X100_DMA
 288         tristate "Intel MIC X100 DMA Driver"
 289         depends on 64BIT && X86 && INTEL_MIC_BUS
 290         select DMA_ENGINE
 291         help
 292           This enables DMA support for the Intel Many Integrated Core
 293           (MIC) family of PCIe form factor coprocessor X100 devices that
 294           run a 64 bit Linux OS. This driver will be used by both MIC
 295           host and card drivers.
 296
 297           If you are building host kernel with a MIC device or a card
 298           kernel for a MIC device, then say M (recommended) or Y, else
 299           say N. If unsure say N.
 300
 301           More information about the Intel MIC family as well as the Linux
 302           OS and tools for MIC to use with this driver are available from
 303           <http://software.intel.com/en-us/mic-developer>.
 304
 305 config K3_DMA
 306         tristate "Hisilicon K3 DMA support"
 307         depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
 308         select DMA_ENGINE
 309         select DMA_VIRTUAL_CHANNELS
 310         help
 311           Support the DMA engine for Hisilicon K3 platform
 312           devices.
 313
 314 config LPC18XX_DMAMUX
 315         bool "NXP LPC18xx/43xx DMA MUX for PL080"
 316         depends on ARCH_LPC18XX || COMPILE_TEST
 317         depends on OF && AMBA_PL08X
 318         select MFD_SYSCON
 319         help
 320           Enable support for DMA on NXP LPC18xx/43xx platforms
 321           with PL080 and multiplexed DMA request lines.
 322
 323 config MMP_PDMA
 324         bool "MMP PDMA support"
 325         depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
 326         select DMA_ENGINE
 327         help
 328           Support the MMP PDMA engine for PXA and MMP platform.
 329
 330 config MMP_TDMA
 331         bool "MMP Two-Channel DMA support"
 332         depends on ARCH_MMP || COMPILE_TEST
 333         select DMA_ENGINE
 334         select MMP_SRAM if ARCH_MMP
 335         select GENERIC_ALLOCATOR
 336         help
 337           Support the MMP Two-Channel DMA engine.
 338           This engine used for MMP Audio DMA and pxa910 SQU.
 339           It needs sram driver under mach-mmp.
 340
 341 config MOXART_DMA
 342         tristate "MOXART DMA support"
 343         depends on ARCH_MOXART
 344         select DMA_ENGINE
 345         select DMA_VIRTUAL_CHANNELS
 346         help
 347           Enable support for the MOXA ART SoC DMA controller.
 348
 349           Say Y here if you enabled MMP ADMA, otherwise say N.
 350
 351 config MPC512X_DMA
 352         tristate "Freescale MPC512x built-in DMA engine support"
 353         depends on PPC_MPC512x || PPC_MPC831x
 354         select DMA_ENGINE
 355         ---help---
 356           Enable support for the Freescale MPC512x built-in DMA engine.
 357
 358 config MV_XOR
 359         bool "Marvell XOR engine support"
 360         depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
 361         select DMA_ENGINE
 362         select DMA_ENGINE_RAID
 363         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 364         ---help---
 365           Enable support for the Marvell XOR engine.
 366
 367 config MV_XOR_V2
 368         bool "Marvell XOR engine version 2 support "
 369         depends on ARM64
 370         select DMA_ENGINE
 371         select DMA_ENGINE_RAID
 372         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 373         select GENERIC_MSI_IRQ_DOMAIN
 374         ---help---
 375           Enable support for the Marvell version 2 XOR engine.
 376
 377           This engine provides acceleration for copy, XOR and RAID6
 378           operations, and is available on Marvell Armada 7K and 8K
 379           platforms.
 380
 381 config MXS_DMA
 382         bool "MXS DMA support"
 383         depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
 384         select STMP_DEVICE
 385         select DMA_ENGINE
 386         help
 387           Support the MXS DMA engine. This engine including APBH-DMA
 388           and APBX-DMA is integrated into some Freescale chips.
 389
 390 config MX3_IPU
 391         bool "MX3x Image Processing Unit support"
 392         depends on ARCH_MXC
 393         select DMA_ENGINE
 394         default y
 395         help
 396           If you plan to use the Image Processing unit in the i.MX3x, say
 397           Y here. If unsure, select Y.
 398
 399 config MX3_IPU_IRQS
 400         int "Number of dynamically mapped interrupts for IPU"
 401         depends on MX3_IPU
 402         range 2 137
 403         default 4
 404         help
 405           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 406           To avoid bloating the irq_desc[] array we allocate a sufficient
 407           number of IRQ slots and map them dynamically to specific sources.
 408
 409 config NBPFAXI_DMA
 410         tristate "Renesas Type-AXI NBPF DMA support"
 411         select DMA_ENGINE
 412         depends on ARM || COMPILE_TEST
 413         help
 414           Support for "Type-AXI" NBPF DMA IPs from Renesas
 415
 416 config PCH_DMA
 417         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 418         depends on PCI && (X86_32 || COMPILE_TEST)
 419         select DMA_ENGINE
 420         help
 421           Enable support for Intel EG20T PCH DMA engine.
 422
 423           This driver also can be used for LAPIS Semiconductor IOH(Input/
 424           Output Hub), ML7213, ML7223 and ML7831.
 425           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 426           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 427           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 428           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 429
 430 config PL330_DMA
 431         tristate "DMA API Driver for PL330"
 432         select DMA_ENGINE
 433         depends on ARM_AMBA
 434         help
 435           Select if your platform has one or more PL330 DMACs.
 436           You need to provide platform specific settings via
 437           platform_data for a dma-pl330 device.
 438
 439 config PXA_DMA
 440         bool "PXA DMA support"
 441         depends on (ARCH_MMP || ARCH_PXA)
 442         select DMA_ENGINE
 443         select DMA_VIRTUAL_CHANNELS
 444         help
 445           Support the DMA engine for PXA. It is also compatible with MMP PDMA
 446           platform. The internal DMA IP of all PXA variants is supported, with
 447           16 to 32 channels for peripheral to memory or memory to memory
 448           transfers.
 449
 450 config SIRF_DMA
 451         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 452         depends on ARCH_SIRF
 453         select DMA_ENGINE
 454         help
 455           Enable support for the CSR SiRFprimaII DMA engine.
 456
 457 config STE_DMA40
 458         bool "ST-Ericsson DMA40 support"
 459         depends on ARCH_U8500
 460         select DMA_ENGINE
 461         help
 462           Support for ST-Ericsson DMA40 controller
 463
 464 config ST_FDMA
 465         tristate "ST FDMA dmaengine support"
 466         depends on ARCH_STI
 467         depends on REMOTEPROC
 468         select ST_SLIM_REMOTEPROC
 469         select DMA_ENGINE
 470         select DMA_VIRTUAL_CHANNELS
 471         help
 472           Enable support for ST FDMA controller.
 473           It supports 16 independent DMA channels, accepts up to 32 DMA requests
 474
 475           Say Y here if you have such a chipset.
 476           If unsure, say N.
 477
 478 config STM32_DMA
 479         bool "STMicroelectronics STM32 DMA support"
 480         depends on ARCH_STM32 || COMPILE_TEST
 481         select DMA_ENGINE
 482         select DMA_VIRTUAL_CHANNELS
 483         help
 484           Enable support for the on-chip DMA controller on STMicroelectronics
 485           STM32 MCUs.
 486           If you have a board based on such a MCU and wish to use DMA say Y
 487           here.
 488
 489 config STM32_DMAMUX
 490         bool "STMicroelectronics STM32 dma multiplexer support"
 491         depends on STM32_DMA || COMPILE_TEST
 492         help
 493           Enable support for the on-chip DMA multiplexer on STMicroelectronics
 494           STM32 MCUs.
 495           If you have a board based on such a MCU and wish to use DMAMUX say Y
 496           here.
 497
 498 config STM32_MDMA
 499         bool "STMicroelectronics STM32 master dma support"
 500         depends on ARCH_STM32 || COMPILE_TEST
 501         depends on OF
 502         select DMA_ENGINE
 503         select DMA_VIRTUAL_CHANNELS
 504         help
 505           Enable support for the on-chip MDMA controller on STMicroelectronics
 506           STM32 platforms.
 507           If you have a board based on STM32 SoC and wish to use the master DMA
 508           say Y here.
 509
 510 config SPRD_DMA
 511         tristate "Spreadtrum DMA support"
 512         depends on ARCH_SPRD || COMPILE_TEST
 513         select DMA_ENGINE
 514         select DMA_VIRTUAL_CHANNELS
 515         help
 516           Enable support for the on-chip DMA controller on Spreadtrum platform.
 517
 518 config S3C24XX_DMAC
 519         bool "Samsung S3C24XX DMA support"
 520         depends on ARCH_S3C24XX || COMPILE_TEST
 521         select DMA_ENGINE
 522         select DMA_VIRTUAL_CHANNELS
 523         help
 524           Support for the Samsung S3C24XX DMA controller driver. The
 525           DMA controller is having multiple DMA channels which can be
 526           configured for different peripherals like audio, UART, SPI.
 527           The DMA controller can transfer data from memory to peripheral,
 528           periphal to memory, periphal to periphal and memory to memory.
 529
 530 config TXX9_DMAC
 531         tristate "Toshiba TXx9 SoC DMA support"
 532         depends on MACH_TX49XX || MACH_TX39XX
 533         select DMA_ENGINE
 534         help
 535           Support the TXx9 SoC internal DMA controller.  This can be
 536           integrated in chips such as the Toshiba TX4927/38/39.
 537
 538 config TEGRA20_APB_DMA
 539         bool "NVIDIA Tegra20 APB DMA support"
 540         depends on ARCH_TEGRA
 541         select DMA_ENGINE
 542         help
 543           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 544           DMA controller is having multiple DMA channel which can be
 545           configured for different peripherals like audio, UART, SPI,
 546           I2C etc which is in APB bus.
 547           This DMA controller transfers data from memory to peripheral fifo
 548           or vice versa. It does not support memory to memory data transfer.
 549
 550 config TEGRA210_ADMA
 551         tristate "NVIDIA Tegra210 ADMA support"
 552         depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
 553         select DMA_ENGINE
 554         select DMA_VIRTUAL_CHANNELS
 555         help
 556           Support for the NVIDIA Tegra210 ADMA controller driver. The
 557           DMA controller has multiple DMA channels and is used to service
 558           various audio clients in the Tegra210 audio processing engine
 559           (APE). This DMA controller transfers data from memory to
 560           peripheral and vice versa. It does not support memory to
 561           memory data transfer.
 562
 563 config TIMB_DMA
 564         tristate "Timberdale FPGA DMA support"
 565         depends on MFD_TIMBERDALE || COMPILE_TEST
 566         select DMA_ENGINE
 567         help
 568           Enable support for the Timberdale FPGA DMA engine.
 569
 570 config XGENE_DMA
 571         tristate "APM X-Gene DMA support"
 572         depends on ARCH_XGENE || COMPILE_TEST
 573         select DMA_ENGINE
 574         select DMA_ENGINE_RAID
 575         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 576         help
 577           Enable support for the APM X-Gene SoC DMA engine.
 578
 579 config XILINX_DMA
 580         tristate "Xilinx AXI DMAS Engine"
 581         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 582         select DMA_ENGINE
 583         help
 584           Enable support for Xilinx AXI VDMA Soft IP.
 585
 586           AXI VDMA engine provides high-bandwidth direct memory access
 587           between memory and AXI4-Stream video type target
 588           peripherals including peripherals which support AXI4-
 589           Stream Video Protocol.  It has two stream interfaces/
 590           channels, Memory Mapped to Stream (MM2S) and Stream to
 591           Memory Mapped (S2MM) for the data transfers.
 592           AXI CDMA engine provides high-bandwidth direct memory access
 593           between a memory-mapped source address and a memory-mapped
 594           destination address.
 595           AXI DMA engine provides high-bandwidth one dimensional direct
 596           memory access between memory and AXI4-Stream target peripherals.
 597
 598 config XILINX_ZYNQMP_DMA
 599         tristate "Xilinx ZynqMP DMA Engine"
 600         depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
 601         select DMA_ENGINE
 602         help
 603           Enable support for Xilinx ZynqMP DMA controller.
 604
 605 config ZX_DMA
 606         tristate "ZTE ZX DMA support"
 607         depends on ARCH_ZX || COMPILE_TEST
 608         select DMA_ENGINE
 609         select DMA_VIRTUAL_CHANNELS
 610         help
 611           Support the DMA engine for ZTE ZX family platform devices.
 612
 613
 614 # driver files
 615 source "drivers/dma/bestcomm/Kconfig"
 616
 617 source "drivers/dma/mediatek/Kconfig"
 618
 619 source "drivers/dma/qcom/Kconfig"
 620
 621 source "drivers/dma/dw/Kconfig"
 622
 623 source "drivers/dma/hsu/Kconfig"
 624
 625 source "drivers/dma/sh/Kconfig"
 626
 627 source "drivers/dma/ti/Kconfig"
 628
 629 # clients
 630 comment "DMA Clients"
 631         depends on DMA_ENGINE
 632
 633 config ASYNC_TX_DMA
 634         bool "Async_tx: Offload support for the async_tx api"
 635         depends on DMA_ENGINE
 636         help
 637           This allows the async_tx api to take advantage of offload engines for
 638           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 639           a dma engine that can perform raid operations and you have enabled
 640           MD_RAID456 say Y.
 641
 642           If unsure, say N.
 643
 644 config DMATEST
 645         tristate "DMA Test client"
 646         depends on DMA_ENGINE
 647         select DMA_ENGINE_RAID
 648         help
 649           Simple DMA test client. Say N unless you're debugging a
 650           DMA Device driver.
 651
 652 config DMA_ENGINE_RAID
 653         bool
 654
 655 endif