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