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 source "drivers/dma/sh/Kconfig"
 158
 159 config COH901318
 160         bool "ST-Ericsson COH901318 DMA support"
 161         select DMA_ENGINE
 162         depends on ARCH_U300
 163         help
 164           Enable support for ST-Ericsson COH 901 318 DMA.
 165
 166 config STE_DMA40
 167         bool "ST-Ericsson DMA40 support"
 168         depends on ARCH_U8500
 169         select DMA_ENGINE
 170         help
 171           Support for ST-Ericsson DMA40 controller
 172
 173 config AMCC_PPC440SPE_ADMA
 174         tristate "AMCC PPC440SPe ADMA support"
 175         depends on 440SPe || 440SP
 176         select DMA_ENGINE
 177         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 178         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 179         help
 180           Enable support for the AMCC PPC440SPe RAID engines.
 181
 182 config TIMB_DMA
 183         tristate "Timberdale FPGA DMA support"
 184         depends on MFD_TIMBERDALE || HAS_IOMEM
 185         select DMA_ENGINE
 186         help
 187           Enable support for the Timberdale FPGA DMA engine.
 188
 189 config SIRF_DMA
 190         tristate "CSR SiRFprimaII/SiRFmarco DMA support"
 191         depends on ARCH_SIRF
 192         select DMA_ENGINE
 193         help
 194           Enable support for the CSR SiRFprimaII DMA engine.
 195
 196 config TI_EDMA
 197         bool "TI EDMA support"
 198         depends on ARCH_DAVINCI || ARCH_OMAP
 199         select DMA_ENGINE
 200         select DMA_VIRTUAL_CHANNELS
 201         default n
 202         help
 203           Enable support for the TI EDMA controller. This DMA
 204           engine is found on TI DaVinci and AM33xx parts.
 205
 206 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 207         bool
 208
 209 config PL330_DMA
 210         tristate "DMA API Driver for PL330"
 211         select DMA_ENGINE
 212         depends on ARM_AMBA
 213         help
 214           Select if your platform has one or more PL330 DMACs.
 215           You need to provide platform specific settings via
 216           platform_data for a dma-pl330 device.
 217
 218 config PCH_DMA
 219         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 220         depends on PCI && X86
 221         select DMA_ENGINE
 222         help
 223           Enable support for Intel EG20T PCH DMA engine.
 224
 225           This driver also can be used for LAPIS Semiconductor IOH(Input/
 226           Output Hub), ML7213, ML7223 and ML7831.
 227           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 228           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 229           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 230           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 231
 232 config IMX_SDMA
 233         tristate "i.MX SDMA support"
 234         depends on ARCH_MXC
 235         select DMA_ENGINE
 236         help
 237           Support the i.MX SDMA engine. This engine is integrated into
 238           Freescale i.MX25/31/35/51/53 chips.
 239
 240 config IMX_DMA
 241         tristate "i.MX DMA support"
 242         depends on ARCH_MXC
 243         select DMA_ENGINE
 244         help
 245           Support the i.MX DMA engine. This engine is integrated into
 246           Freescale i.MX1/21/27 chips.
 247
 248 config MXS_DMA
 249         bool "MXS DMA support"
 250         depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
 251         select STMP_DEVICE
 252         select DMA_ENGINE
 253         help
 254           Support the MXS DMA engine. This engine including APBH-DMA
 255           and APBX-DMA is integrated into Freescale i.MX23/28 chips.
 256
 257 config EP93XX_DMA
 258         bool "Cirrus Logic EP93xx DMA support"
 259         depends on ARCH_EP93XX
 260         select DMA_ENGINE
 261         help
 262           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 263
 264 config DMA_SA11X0
 265         tristate "SA-11x0 DMA support"
 266         depends on ARCH_SA1100
 267         select DMA_ENGINE
 268         select DMA_VIRTUAL_CHANNELS
 269         help
 270           Support the DMA engine found on Intel StrongARM SA-1100 and
 271           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 272           devices.
 273
 274 config MMP_TDMA
 275         bool "MMP Two-Channel DMA support"
 276         depends on ARCH_MMP
 277         select DMA_ENGINE
 278         help
 279           Support the MMP Two-Channel DMA engine.
 280           This engine used for MMP Audio DMA and pxa910 SQU.
 281
 282           Say Y here if you enabled MMP ADMA, otherwise say N.
 283
 284 config DMA_OMAP
 285         tristate "OMAP DMA support"
 286         depends on ARCH_OMAP
 287         select DMA_ENGINE
 288         select DMA_VIRTUAL_CHANNELS
 289
 290 config TI_CPPI41
 291         tristate "AM33xx CPPI41 DMA support"
 292         depends on ARCH_OMAP
 293         select DMA_ENGINE
 294         help
 295           The Communications Port Programming Interface (CPPI) 4.1 DMA engine
 296           is currently used by the USB driver on AM335x platforms.
 297
 298 config MMP_PDMA
 299         bool "MMP PDMA support"
 300         depends on (ARCH_MMP || ARCH_PXA)
 301         select DMA_ENGINE
 302         help
 303           Support the MMP PDMA engine for PXA and MMP platfrom.
 304
 305 config DMA_JZ4740
 306         tristate "JZ4740 DMA support"
 307         depends on MACH_JZ4740
 308         select DMA_ENGINE
 309         select DMA_VIRTUAL_CHANNELS
 310
 311 config DMA_ENGINE
 312         bool
 313
 314 config DMA_VIRTUAL_CHANNELS
 315         tristate
 316
 317 config DMA_ACPI
 318         def_bool y
 319         depends on ACPI
 320
 321 config DMA_OF
 322         def_bool y
 323         depends on OF
 324
 325 comment "DMA Clients"
 326         depends on DMA_ENGINE
 327
 328 config NET_DMA
 329         bool "Network: TCP receive copy offload"
 330         depends on DMA_ENGINE && NET
 331         default (INTEL_IOATDMA || FSL_DMA)
 332         help
 333           This enables the use of DMA engines in the network stack to
 334           offload receive copy-to-user operations, freeing CPU cycles.
 335
 336           Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
 337           say N.
 338
 339 config ASYNC_TX_DMA
 340         bool "Async_tx: Offload support for the async_tx api"
 341         depends on DMA_ENGINE
 342         help
 343           This allows the async_tx api to take advantage of offload engines for
 344           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 345           a dma engine that can perform raid operations and you have enabled
 346           MD_RAID456 say Y.
 347
 348           If unsure, say N.
 349
 350 config DMATEST
 351         tristate "DMA Test client"
 352         depends on DMA_ENGINE
 353         help
 354           Simple DMA test client. Say N unless you're debugging a
 355           DMA Device driver.
 356
 357 endif