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_MID_DMAC
  37         tristate "Intel MID DMA support for Peripheral DMA controllers"
  38         depends on PCI && X86
  39         select DMA_ENGINE
  40         default n
  41         help
  42           Enable support for the Intel(R) MID DMA engine present
  43           in Intel MID chipsets.
  44
  45           Say Y here if you have such a chipset.
  46
  47           If unsure, say N.
  48
  49 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
  50         bool
  51
  52 config AMBA_PL08X
  53         bool "ARM PrimeCell PL080 or PL081 support"
  54         depends on ARM_AMBA
  55         select DMA_ENGINE
  56         select DMA_VIRTUAL_CHANNELS
  57         help
  58           Platform has a PL08x DMAC device
  59           which can provide DMA engine support
  60
  61 config INTEL_IOATDMA
  62         tristate "Intel I/OAT DMA support"
  63         depends on PCI && X86
  64         select DMA_ENGINE
  65         select DCA
  66         help
  67           Enable support for the Intel(R) I/OAT DMA engine present
  68           in recent Intel Xeon chipsets.
  69
  70           Say Y here if you have such a chipset.
  71
  72           If unsure, say N.
  73
  74 config INTEL_IOP_ADMA
  75         tristate "Intel IOP ADMA support"
  76         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
  77         select DMA_ENGINE
  78         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  79         help
  80           Enable support for the Intel(R) IOP Series RAID engines.
  81
  82 source "drivers/dma/dw/Kconfig"
  83
  84 config AT_HDMAC
  85         tristate "Atmel AHB DMA support"
  86         depends on ARCH_AT91
  87         select DMA_ENGINE
  88         help
  89           Support the Atmel AHB DMA controller.
  90
  91 config FSL_DMA
  92         tristate "Freescale Elo and Elo Plus DMA support"
  93         depends on FSL_SOC
  94         select DMA_ENGINE
  95         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  96         ---help---
  97           Enable support for the Freescale Elo and Elo Plus DMA controllers.
  98           The Elo is the DMA controller on some 82xx and 83xx parts, and the
  99           Elo Plus is the DMA controller on 85xx and 86xx parts.
 100
 101 config MPC512X_DMA
 102         tristate "Freescale MPC512x built-in DMA engine support"
 103         depends on PPC_MPC512x || PPC_MPC831x
 104         select DMA_ENGINE
 105         ---help---
 106           Enable support for the Freescale MPC512x built-in DMA engine.
 107
 108 source "drivers/dma/bestcomm/Kconfig"
 109
 110 config MV_XOR
 111         bool "Marvell XOR engine support"
 112         depends on PLAT_ORION
 113         select DMA_ENGINE
 114         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 115         ---help---
 116           Enable support for the Marvell XOR engine.
 117
 118 config MX3_IPU
 119         bool "MX3x Image Processing Unit support"
 120         depends on ARCH_MXC
 121         select DMA_ENGINE
 122         default y
 123         help
 124           If you plan to use the Image Processing unit in the i.MX3x, say
 125           Y here. If unsure, select Y.
 126
 127 config MX3_IPU_IRQS
 128         int "Number of dynamically mapped interrupts for IPU"
 129         depends on MX3_IPU
 130         range 2 137
 131         default 4
 132         help
 133           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 134           To avoid bloating the irq_desc[] array we allocate a sufficient
 135           number of IRQ slots and map them dynamically to specific sources.
 136
 137 config TXX9_DMAC
 138         tristate "Toshiba TXx9 SoC DMA support"
 139         depends on MACH_TX49XX || MACH_TX39XX
 140         select DMA_ENGINE
 141         help
 142           Support the TXx9 SoC internal DMA controller.  This can be
 143           integrated in chips such as the Toshiba TX4927/38/39.
 144
 145 config TEGRA20_APB_DMA
 146         bool "NVIDIA Tegra20 APB DMA support"
 147         depends on ARCH_TEGRA
 148         select DMA_ENGINE
 149         help
 150           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 151           DMA controller is having multiple DMA channel which can be
 152           configured for different peripherals like audio, UART, SPI,
 153           I2C etc which is in APB bus.
 154           This DMA controller transfers data from memory to peripheral fifo
 155           or vice versa. It does not support memory to memory data transfer.
 156
 157 config S3C24XX_DMAC
 158         tristate "Samsung S3C24XX DMA support"
 159         depends on ARCH_S3C24XX && !S3C24XX_DMA
 160         select DMA_ENGINE
 161         select DMA_VIRTUAL_CHANNELS
 162         help
 163           Support for the Samsung S3C24XX DMA controller driver. The
 164           DMA controller is having multiple DMA channels which can be
 165           configured for different peripherals like audio, UART, SPI.
 166           The DMA controller can transfer data from memory to peripheral,
 167           periphal to memory, periphal to periphal and memory to memory.
 168
 169 source "drivers/dma/sh/Kconfig"
 170
 171 config COH901318
 172         bool "ST-Ericsson COH901318 DMA support"
 173         select DMA_ENGINE
 174         depends on ARCH_U300
 175         help
 176           Enable support for ST-Ericsson COH 901 318 DMA.
 177
 178 config STE_DMA40
 179         bool "ST-Ericsson DMA40 support"
 180         depends on ARCH_U8500
 181         select DMA_ENGINE
 182         help
 183           Support for ST-Ericsson DMA40 controller
 184
 185 config AMCC_PPC440SPE_ADMA
 186         tristate "AMCC PPC440SPe ADMA support"
 187         depends on 440SPe || 440SP
 188         select DMA_ENGINE
 189         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 190         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 191         help
 192           Enable support for the AMCC PPC440SPe RAID engines.
 193
 194 config TIMB_DMA
 195         tristate "Timberdale FPGA DMA support"
 196         depends on MFD_TIMBERDALE || HAS_IOMEM
 197         select DMA_ENGINE
 198         help
 199           Enable support for the Timberdale FPGA DMA engine.
 200
 201 config SIRF_DMA
 202         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 203         depends on ARCH_SIRF
 204         select DMA_ENGINE
 205         help
 206           Enable support for the CSR SiRFprimaII DMA engine.
 207
 208 config TI_EDMA
 209         bool "TI EDMA support"
 210         depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
 211         select DMA_ENGINE
 212         select DMA_VIRTUAL_CHANNELS
 213         select TI_PRIV_EDMA
 214         default n
 215         help
 216           Enable support for the TI EDMA controller. This DMA
 217           engine is found on TI DaVinci and AM33xx parts.
 218
 219 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 220         bool
 221
 222 config PL330_DMA
 223         tristate "DMA API Driver for PL330"
 224         select DMA_ENGINE
 225         depends on ARM_AMBA
 226         help
 227           Select if your platform has one or more PL330 DMACs.
 228           You need to provide platform specific settings via
 229           platform_data for a dma-pl330 device.
 230
 231 config PCH_DMA
 232         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 233         depends on PCI && X86
 234         select DMA_ENGINE
 235         help
 236           Enable support for Intel EG20T PCH DMA engine.
 237
 238           This driver also can be used for LAPIS Semiconductor IOH(Input/
 239           Output Hub), ML7213, ML7223 and ML7831.
 240           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 241           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 242           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 243           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 244
 245 config IMX_SDMA
 246         tristate "i.MX SDMA support"
 247         depends on ARCH_MXC
 248         select DMA_ENGINE
 249         help
 250           Support the i.MX SDMA engine. This engine is integrated into
 251           Freescale i.MX25/31/35/51/53 chips.
 252
 253 config IMX_DMA
 254         tristate "i.MX DMA support"
 255         depends on ARCH_MXC
 256         select DMA_ENGINE
 257         help
 258           Support the i.MX DMA engine. This engine is integrated into
 259           Freescale i.MX1/21/27 chips.
 260
 261 config MXS_DMA
 262         bool "MXS DMA support"
 263         depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
 264         select STMP_DEVICE
 265         select DMA_ENGINE
 266         help
 267           Support the MXS DMA engine. This engine including APBH-DMA
 268           and APBX-DMA is integrated into Freescale i.MX23/28 chips.
 269
 270 config EP93XX_DMA
 271         bool "Cirrus Logic EP93xx DMA support"
 272         depends on ARCH_EP93XX
 273         select DMA_ENGINE
 274         help
 275           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 276
 277 config DMA_SA11X0
 278         tristate "SA-11x0 DMA support"
 279         depends on ARCH_SA1100
 280         select DMA_ENGINE
 281         select DMA_VIRTUAL_CHANNELS
 282         help
 283           Support the DMA engine found on Intel StrongARM SA-1100 and
 284           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 285           devices.
 286
 287 config MMP_TDMA
 288         bool "MMP Two-Channel DMA support"
 289         depends on ARCH_MMP
 290         select DMA_ENGINE
 291         help
 292           Support the MMP Two-Channel DMA engine.
 293           This engine used for MMP Audio DMA and pxa910 SQU.
 294
 295           Say Y here if you enabled MMP ADMA, otherwise say N.
 296
 297 config DMA_OMAP
 298         tristate "OMAP DMA support"
 299         depends on ARCH_OMAP
 300         select DMA_ENGINE
 301         select DMA_VIRTUAL_CHANNELS
 302
 303 config TI_CPPI41
 304         tristate "AM33xx CPPI41 DMA support"
 305         depends on ARCH_OMAP
 306         select DMA_ENGINE
 307         help
 308           The Communications Port Programming Interface (CPPI) 4.1 DMA engine
 309           is currently used by the USB driver on AM335x platforms.
 310
 311 config MMP_PDMA
 312         bool "MMP PDMA support"
 313         depends on (ARCH_MMP || ARCH_PXA)
 314         select DMA_ENGINE
 315         help
 316           Support the MMP PDMA engine for PXA and MMP platfrom.
 317
 318 config DMA_JZ4740
 319         tristate "JZ4740 DMA support"
 320         depends on MACH_JZ4740
 321         select DMA_ENGINE
 322         select DMA_VIRTUAL_CHANNELS
 323
 324 config K3_DMA
 325         tristate "Hisilicon K3 DMA support"
 326         depends on ARCH_HI3xxx
 327         select DMA_ENGINE
 328         select DMA_VIRTUAL_CHANNELS
 329         help
 330           Support the DMA engine for Hisilicon K3 platform
 331           devices.
 332
 333 config DMA_ENGINE
 334         bool
 335
 336 config DMA_VIRTUAL_CHANNELS
 337         tristate
 338
 339 config DMA_ACPI
 340         def_bool y
 341         depends on ACPI
 342
 343 config DMA_OF
 344         def_bool y
 345         depends on OF
 346
 347 comment "DMA Clients"
 348         depends on DMA_ENGINE
 349
 350 config NET_DMA
 351         bool "Network: TCP receive copy offload"
 352         depends on DMA_ENGINE && NET
 353         default (INTEL_IOATDMA || FSL_DMA)
 354         help
 355           This enables the use of DMA engines in the network stack to
 356           offload receive copy-to-user operations, freeing CPU cycles.
 357
 358           Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
 359           say N.
 360
 361 config ASYNC_TX_DMA
 362         bool "Async_tx: Offload support for the async_tx api"
 363         depends on DMA_ENGINE
 364         help
 365           This allows the async_tx api to take advantage of offload engines for
 366           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 367           a dma engine that can perform raid operations and you have enabled
 368           MD_RAID456 say Y.
 369
 370           If unsure, say N.
 371
 372 config DMATEST
 373         tristate "DMA Test client"
 374         depends on DMA_ENGINE
 375         help
 376           Simple DMA test client. Say N unless you're debugging a
 377           DMA Device driver.
 378
 379 endif