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 config INTEL_MIC_X100_DMA
  37         tristate "Intel MIC X100 DMA Driver"
  38         depends on 64BIT && X86 && INTEL_MIC_BUS
  39         select DMA_ENGINE
  40         help
  41           This enables DMA support for the Intel Many Integrated Core
  42           (MIC) family of PCIe form factor coprocessor X100 devices that
  43           run a 64 bit Linux OS. This driver will be used by both MIC
  44           host and card drivers.
  45
  46           If you are building host kernel with a MIC device or a card
  47           kernel for a MIC device, then say M (recommended) or Y, else
  48           say N. If unsure say N.
  49
  50           More information about the Intel MIC family as well as the Linux
  51           OS and tools for MIC to use with this driver are available from
  52           <http://software.intel.com/en-us/mic-developer>.
  53
  54 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
  55         bool
  56
  57 config AMBA_PL08X
  58         bool "ARM PrimeCell PL080 or PL081 support"
  59         depends on ARM_AMBA
  60         select DMA_ENGINE
  61         select DMA_VIRTUAL_CHANNELS
  62         help
  63           Platform has a PL08x DMAC device
  64           which can provide DMA engine support
  65
  66 config LPC18XX_DMAMUX
  67         bool "NXP LPC18xx/43xx DMA MUX for PL080"
  68         depends on ARCH_LPC18XX || COMPILE_TEST
  69         depends on OF && AMBA_PL08X
  70         select MFD_SYSCON
  71         help
  72           Enable support for DMA on NXP LPC18xx/43xx platforms
  73           with PL080 and multiplexed DMA request lines.
  74
  75 config INTEL_IOATDMA
  76         tristate "Intel I/OAT DMA support"
  77         depends on PCI && X86_64
  78         select DMA_ENGINE
  79         select DMA_ENGINE_RAID
  80         select DCA
  81         help
  82           Enable support for the Intel(R) I/OAT DMA engine present
  83           in recent Intel Xeon chipsets.
  84
  85           Say Y here if you have such a chipset.
  86
  87           If unsure, say N.
  88
  89 config INTEL_IOP_ADMA
  90         tristate "Intel IOP ADMA support"
  91         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
  92         select DMA_ENGINE
  93         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  94         help
  95           Enable support for the Intel(R) IOP Series RAID engines.
  96
  97 source "drivers/dma/dw/Kconfig"
  98
  99 config AT_HDMAC
 100         tristate "Atmel AHB DMA support"
 101         depends on ARCH_AT91
 102         select DMA_ENGINE
 103         help
 104           Support the Atmel AHB DMA controller.
 105
 106 config AT_XDMAC
 107         tristate "Atmel XDMA support"
 108         depends on ARCH_AT91
 109         select DMA_ENGINE
 110         help
 111           Support the Atmel XDMA controller.
 112
 113 config FSL_DMA
 114         tristate "Freescale Elo series DMA support"
 115         depends on FSL_SOC
 116         select DMA_ENGINE
 117         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 118         ---help---
 119           Enable support for the Freescale Elo series DMA controllers.
 120           The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
 121           EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
 122           some Txxx and Bxxx parts.
 123
 124 config FSL_RAID
 125         tristate "Freescale RAID engine Support"
 126         depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
 127         select DMA_ENGINE
 128         select DMA_ENGINE_RAID
 129         ---help---
 130           Enable support for Freescale RAID Engine. RAID Engine is
 131           available on some QorIQ SoCs (like P5020/P5040). It has
 132           the capability to offload memcpy, xor and pq computation
 133           for raid5/6.
 134
 135 source "drivers/dma/hsu/Kconfig"
 136
 137 config MPC512X_DMA
 138         tristate "Freescale MPC512x built-in DMA engine support"
 139         depends on PPC_MPC512x || PPC_MPC831x
 140         select DMA_ENGINE
 141         ---help---
 142           Enable support for the Freescale MPC512x built-in DMA engine.
 143
 144 source "drivers/dma/bestcomm/Kconfig"
 145
 146 config MV_XOR
 147         bool "Marvell XOR engine support"
 148         depends on PLAT_ORION
 149         select DMA_ENGINE
 150         select DMA_ENGINE_RAID
 151         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 152         ---help---
 153           Enable support for the Marvell XOR engine.
 154
 155 config MX3_IPU
 156         bool "MX3x Image Processing Unit support"
 157         depends on ARCH_MXC
 158         select DMA_ENGINE
 159         default y
 160         help
 161           If you plan to use the Image Processing unit in the i.MX3x, say
 162           Y here. If unsure, select Y.
 163
 164 config MX3_IPU_IRQS
 165         int "Number of dynamically mapped interrupts for IPU"
 166         depends on MX3_IPU
 167         range 2 137
 168         default 4
 169         help
 170           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 171           To avoid bloating the irq_desc[] array we allocate a sufficient
 172           number of IRQ slots and map them dynamically to specific sources.
 173
 174 config PXA_DMA
 175         bool "PXA DMA support"
 176         depends on (ARCH_MMP || ARCH_PXA)
 177         select DMA_ENGINE
 178         select DMA_VIRTUAL_CHANNELS
 179         help
 180           Support the DMA engine for PXA. It is also compatible with MMP PDMA
 181           platform. The internal DMA IP of all PXA variants is supported, with
 182           16 to 32 channels for peripheral to memory or memory to memory
 183           transfers.
 184
 185 config TXX9_DMAC
 186         tristate "Toshiba TXx9 SoC DMA support"
 187         depends on MACH_TX49XX || MACH_TX39XX
 188         select DMA_ENGINE
 189         help
 190           Support the TXx9 SoC internal DMA controller.  This can be
 191           integrated in chips such as the Toshiba TX4927/38/39.
 192
 193 config TEGRA20_APB_DMA
 194         bool "NVIDIA Tegra20 APB DMA support"
 195         depends on ARCH_TEGRA
 196         select DMA_ENGINE
 197         help
 198           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 199           DMA controller is having multiple DMA channel which can be
 200           configured for different peripherals like audio, UART, SPI,
 201           I2C etc which is in APB bus.
 202           This DMA controller transfers data from memory to peripheral fifo
 203           or vice versa. It does not support memory to memory data transfer.
 204
 205 config S3C24XX_DMAC
 206         tristate "Samsung S3C24XX DMA support"
 207         depends on ARCH_S3C24XX
 208         select DMA_ENGINE
 209         select DMA_VIRTUAL_CHANNELS
 210         help
 211           Support for the Samsung S3C24XX DMA controller driver. The
 212           DMA controller is having multiple DMA channels which can be
 213           configured for different peripherals like audio, UART, SPI.
 214           The DMA controller can transfer data from memory to peripheral,
 215           periphal to memory, periphal to periphal and memory to memory.
 216
 217 source "drivers/dma/sh/Kconfig"
 218
 219 config COH901318
 220         bool "ST-Ericsson COH901318 DMA support"
 221         select DMA_ENGINE
 222         depends on ARCH_U300
 223         help
 224           Enable support for ST-Ericsson COH 901 318 DMA.
 225
 226 config STE_DMA40
 227         bool "ST-Ericsson DMA40 support"
 228         depends on ARCH_U8500
 229         select DMA_ENGINE
 230         help
 231           Support for ST-Ericsson DMA40 controller
 232
 233 config AMCC_PPC440SPE_ADMA
 234         tristate "AMCC PPC440SPe ADMA support"
 235         depends on 440SPe || 440SP
 236         select DMA_ENGINE
 237         select DMA_ENGINE_RAID
 238         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 239         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 240         help
 241           Enable support for the AMCC PPC440SPe RAID engines.
 242
 243 config TIMB_DMA
 244         tristate "Timberdale FPGA DMA support"
 245         depends on MFD_TIMBERDALE
 246         select DMA_ENGINE
 247         help
 248           Enable support for the Timberdale FPGA DMA engine.
 249
 250 config SIRF_DMA
 251         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 252         depends on ARCH_SIRF
 253         select DMA_ENGINE
 254         help
 255           Enable support for the CSR SiRFprimaII DMA engine.
 256
 257 config TI_EDMA
 258         bool "TI EDMA support"
 259         depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
 260         select DMA_ENGINE
 261         select DMA_VIRTUAL_CHANNELS
 262         select TI_PRIV_EDMA
 263         default n
 264         help
 265           Enable support for the TI EDMA controller. This DMA
 266           engine is found on TI DaVinci and AM33xx parts.
 267
 268 config TI_DMA_CROSSBAR
 269         bool
 270
 271 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 272         bool
 273
 274 config PL330_DMA
 275         tristate "DMA API Driver for PL330"
 276         select DMA_ENGINE
 277         depends on ARM_AMBA
 278         help
 279           Select if your platform has one or more PL330 DMACs.
 280           You need to provide platform specific settings via
 281           platform_data for a dma-pl330 device.
 282
 283 config PCH_DMA
 284         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 285         depends on PCI && (X86_32 || COMPILE_TEST)
 286         select DMA_ENGINE
 287         help
 288           Enable support for Intel EG20T PCH DMA engine.
 289
 290           This driver also can be used for LAPIS Semiconductor IOH(Input/
 291           Output Hub), ML7213, ML7223 and ML7831.
 292           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 293           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 294           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 295           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 296
 297 config IMX_SDMA
 298         tristate "i.MX SDMA support"
 299         depends on ARCH_MXC
 300         select DMA_ENGINE
 301         help
 302           Support the i.MX SDMA engine. This engine is integrated into
 303           Freescale i.MX25/31/35/51/53/6 chips.
 304
 305 config IMX_DMA
 306         tristate "i.MX DMA support"
 307         depends on ARCH_MXC
 308         select DMA_ENGINE
 309         help
 310           Support the i.MX DMA engine. This engine is integrated into
 311           Freescale i.MX1/21/27 chips.
 312
 313 config MXS_DMA
 314         bool "MXS DMA support"
 315         depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
 316         select STMP_DEVICE
 317         select DMA_ENGINE
 318         help
 319           Support the MXS DMA engine. This engine including APBH-DMA
 320           and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
 321
 322 config EP93XX_DMA
 323         bool "Cirrus Logic EP93xx DMA support"
 324         depends on ARCH_EP93XX
 325         select DMA_ENGINE
 326         help
 327           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 328
 329 config DMA_SA11X0
 330         tristate "SA-11x0 DMA support"
 331         depends on ARCH_SA1100
 332         select DMA_ENGINE
 333         select DMA_VIRTUAL_CHANNELS
 334         help
 335           Support the DMA engine found on Intel StrongARM SA-1100 and
 336           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 337           devices.
 338
 339 config MMP_TDMA
 340         bool "MMP Two-Channel DMA support"
 341         depends on ARCH_MMP
 342         select DMA_ENGINE
 343         select MMP_SRAM
 344         help
 345           Support the MMP Two-Channel DMA engine.
 346           This engine used for MMP Audio DMA and pxa910 SQU.
 347           It needs sram driver under mach-mmp.
 348
 349           Say Y here if you enabled MMP ADMA, otherwise say N.
 350
 351 config DMA_OMAP
 352         tristate "OMAP DMA support"
 353         depends on ARCH_OMAP
 354         select DMA_ENGINE
 355         select DMA_VIRTUAL_CHANNELS
 356         select TI_DMA_CROSSBAR if SOC_DRA7XX
 357
 358 config DMA_BCM2835
 359         tristate "BCM2835 DMA engine support"
 360         depends on ARCH_BCM2835
 361         select DMA_ENGINE
 362         select DMA_VIRTUAL_CHANNELS
 363
 364 config TI_CPPI41
 365         tristate "AM33xx CPPI41 DMA support"
 366         depends on ARCH_OMAP
 367         select DMA_ENGINE
 368         help
 369           The Communications Port Programming Interface (CPPI) 4.1 DMA engine
 370           is currently used by the USB driver on AM335x platforms.
 371
 372 config MMP_PDMA
 373         bool "MMP PDMA support"
 374         depends on (ARCH_MMP || ARCH_PXA)
 375         select DMA_ENGINE
 376         help
 377           Support the MMP PDMA engine for PXA and MMP platform.
 378
 379 config DMA_JZ4740
 380         tristate "JZ4740 DMA support"
 381         depends on MACH_JZ4740
 382         select DMA_ENGINE
 383         select DMA_VIRTUAL_CHANNELS
 384
 385 config DMA_JZ4780
 386         tristate "JZ4780 DMA support"
 387         depends on MACH_JZ4780
 388         select DMA_ENGINE
 389         select DMA_VIRTUAL_CHANNELS
 390         help
 391           This selects support for the DMA controller in Ingenic JZ4780 SoCs.
 392           If you have a board based on such a SoC and wish to use DMA for
 393           devices which can use the DMA controller, say Y or M here.
 394
 395 config K3_DMA
 396         tristate "Hisilicon K3 DMA support"
 397         depends on ARCH_HI3xxx
 398         select DMA_ENGINE
 399         select DMA_VIRTUAL_CHANNELS
 400         help
 401           Support the DMA engine for Hisilicon K3 platform
 402           devices.
 403
 404 config MOXART_DMA
 405         tristate "MOXART DMA support"
 406         depends on ARCH_MOXART
 407         select DMA_ENGINE
 408         select DMA_OF
 409         select DMA_VIRTUAL_CHANNELS
 410         help
 411           Enable support for the MOXA ART SoC DMA controller.
 412
 413 config FSL_EDMA
 414         tristate "Freescale eDMA engine support"
 415         depends on OF
 416         select DMA_ENGINE
 417         select DMA_VIRTUAL_CHANNELS
 418         help
 419           Support the Freescale eDMA engine with programmable channel
 420           multiplexing capability for DMA request sources(slot).
 421           This module can be found on Freescale Vybrid and LS-1 SoCs.
 422
 423 config XILINX_VDMA
 424         tristate "Xilinx AXI VDMA Engine"
 425         depends on (ARCH_ZYNQ || MICROBLAZE)
 426         select DMA_ENGINE
 427         help
 428           Enable support for Xilinx AXI VDMA Soft IP.
 429
 430           This engine provides high-bandwidth direct memory access
 431           between memory and AXI4-Stream video type target
 432           peripherals including peripherals which support AXI4-
 433           Stream Video Protocol.  It has two stream interfaces/
 434           channels, Memory Mapped to Stream (MM2S) and Stream to
 435           Memory Mapped (S2MM) for the data transfers.
 436
 437 config DMA_SUN4I
 438         tristate "Allwinner A10 DMA SoCs support"
 439         depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || COMPILE_TEST
 440         default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
 441         select DMA_ENGINE
 442         select DMA_OF
 443         select DMA_VIRTUAL_CHANNELS
 444         help
 445           Enable support for the DMA controller present in the sun4i,
 446           sun5i and sun7i Allwinner ARM SoCs.
 447
 448 config DMA_SUN6I
 449         tristate "Allwinner A31 SoCs DMA support"
 450         depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
 451         depends on RESET_CONTROLLER
 452         select DMA_ENGINE
 453         select DMA_VIRTUAL_CHANNELS
 454         help
 455           Support for the DMA engine first found in Allwinner A31 SoCs.
 456
 457 config NBPFAXI_DMA
 458         tristate "Renesas Type-AXI NBPF DMA support"
 459         select DMA_ENGINE
 460         depends on ARM || COMPILE_TEST
 461         help
 462           Support for "Type-AXI" NBPF DMA IPs from Renesas
 463
 464 config IMG_MDC_DMA
 465         tristate "IMG MDC support"
 466         depends on MIPS || COMPILE_TEST
 467         depends on MFD_SYSCON
 468         select DMA_ENGINE
 469         select DMA_VIRTUAL_CHANNELS
 470         help
 471           Enable support for the IMG multi-threaded DMA controller (MDC).
 472
 473 config XGENE_DMA
 474         tristate "APM X-Gene DMA support"
 475         depends on ARCH_XGENE || COMPILE_TEST
 476         select DMA_ENGINE
 477         select DMA_ENGINE_RAID
 478         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 479         help
 480           Enable support for the APM X-Gene SoC DMA engine.
 481 config ZX_DMA
 482         tristate "ZTE ZX296702 DMA support"
 483         depends on ARCH_ZX
 484         select DMA_ENGINE
 485         select DMA_VIRTUAL_CHANNELS
 486         help
 487           Support the DMA engine for ZTE ZX296702 platform devices.
 488
 489 config DMA_ENGINE
 490         bool
 491
 492 config DMA_VIRTUAL_CHANNELS
 493         tristate
 494
 495 config DMA_ACPI
 496         def_bool y
 497         depends on ACPI
 498
 499 config DMA_OF
 500         def_bool y
 501         depends on OF
 502         select DMA_ENGINE
 503
 504 comment "DMA Clients"
 505         depends on DMA_ENGINE
 506
 507 config ASYNC_TX_DMA
 508         bool "Async_tx: Offload support for the async_tx api"
 509         depends on DMA_ENGINE
 510         help
 511           This allows the async_tx api to take advantage of offload engines for
 512           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 513           a dma engine that can perform raid operations and you have enabled
 514           MD_RAID456 say Y.
 515
 516           If unsure, say N.
 517
 518 config DMATEST
 519         tristate "DMA Test client"
 520         depends on DMA_ENGINE
 521         help
 522           Simple DMA test client. Say N unless you're debugging a
 523           DMA Device driver.
 524
 525 config DMA_ENGINE_RAID
 526         bool
 527
 528 config QCOM_BAM_DMA
 529         tristate "QCOM BAM DMA support"
 530         depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
 531         select DMA_ENGINE
 532         select DMA_VIRTUAL_CHANNELS
 533         ---help---
 534           Enable support for the QCOM BAM DMA controller.  This controller
 535           provides DMA capabilities for a variety of on-chip devices.
 536
 537 config AXI_DMAC
 538         tristate "Analog Devices AXI-DMAC DMA support"
 539         depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
 540         select DMA_ENGINE
 541         select DMA_VIRTUAL_CHANNELS
 542         help
 543           Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
 544           controller is often used in Analog Device's reference designs for FPGA
 545           platforms.
 546
 547 endif