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 && EXPERIMENTAL
  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         select ASYNC_TX_DISABLE_PQ_VAL_DMA
  67         select ASYNC_TX_DISABLE_XOR_VAL_DMA
  68         help
  69           Enable support for the Intel(R) I/OAT DMA engine present
  70           in recent Intel Xeon chipsets.
  71
  72           Say Y here if you have such a chipset.
  73
  74           If unsure, say N.
  75
  76 config INTEL_IOP_ADMA
  77         tristate "Intel IOP ADMA support"
  78         depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
  79         select DMA_ENGINE
  80         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
  81         help
  82           Enable support for the Intel(R) IOP Series RAID engines.
  83
  84 config DW_DMAC
  85         tristate "Synopsys DesignWare AHB DMA support"
  86         depends on HAVE_CLK
  87         select DMA_ENGINE
  88         default y if CPU_AT32AP7000
  89         help
  90           Support the Synopsys DesignWare AHB DMA controller.  This
  91           can be integrated in chips such as the Atmel AT32ap7000.
  92
  93 config AT_HDMAC
  94         tristate "Atmel AHB DMA support"
  95         depends on ARCH_AT91
  96         select DMA_ENGINE
  97         help
  98           Support the Atmel AHB DMA controller.
  99
 100 config FSL_DMA
 101         tristate "Freescale Elo and Elo Plus DMA support"
 102         depends on FSL_SOC
 103         select DMA_ENGINE
 104         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 105         ---help---
 106           Enable support for the Freescale Elo and Elo Plus DMA controllers.
 107           The Elo is the DMA controller on some 82xx and 83xx parts, and the
 108           Elo Plus is the DMA controller on 85xx and 86xx parts.
 109
 110 config MPC512X_DMA
 111         tristate "Freescale MPC512x built-in DMA engine support"
 112         depends on PPC_MPC512x || PPC_MPC831x
 113         select DMA_ENGINE
 114         ---help---
 115           Enable support for the Freescale MPC512x built-in DMA engine.
 116
 117 config MV_XOR
 118         bool "Marvell XOR engine support"
 119         depends on PLAT_ORION
 120         select DMA_ENGINE
 121         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 122         ---help---
 123           Enable support for the Marvell XOR engine.
 124
 125 config MX3_IPU
 126         bool "MX3x Image Processing Unit support"
 127         depends on ARCH_MXC
 128         select DMA_ENGINE
 129         default y
 130         help
 131           If you plan to use the Image Processing unit in the i.MX3x, say
 132           Y here. If unsure, select Y.
 133
 134 config MX3_IPU_IRQS
 135         int "Number of dynamically mapped interrupts for IPU"
 136         depends on MX3_IPU
 137         range 2 137
 138         default 4
 139         help
 140           Out of 137 interrupt sources on i.MX31 IPU only very few are used.
 141           To avoid bloating the irq_desc[] array we allocate a sufficient
 142           number of IRQ slots and map them dynamically to specific sources.
 143
 144 config TXX9_DMAC
 145         tristate "Toshiba TXx9 SoC DMA support"
 146         depends on MACH_TX49XX || MACH_TX39XX
 147         select DMA_ENGINE
 148         help
 149           Support the TXx9 SoC internal DMA controller.  This can be
 150           integrated in chips such as the Toshiba TX4927/38/39.
 151
 152 config TEGRA20_APB_DMA
 153         bool "NVIDIA Tegra20 APB DMA support"
 154         depends on ARCH_TEGRA
 155         select DMA_ENGINE
 156         help
 157           Support for the NVIDIA Tegra20 APB DMA controller driver. The
 158           DMA controller is having multiple DMA channel which can be
 159           configured for different peripherals like audio, UART, SPI,
 160           I2C etc which is in APB bus.
 161           This DMA controller transfers data from memory to peripheral fifo
 162           or vice versa. It does not support memory to memory data transfer.
 163
 164
 165
 166 config SH_DMAE
 167         tristate "Renesas SuperH DMAC support"
 168         depends on (SUPERH && SH_DMA) || (ARM && ARCH_SHMOBILE)
 169         depends on !SH_DMA_API
 170         select DMA_ENGINE
 171         help
 172           Enable support for the Renesas SuperH DMA controllers.
 173
 174 config COH901318
 175         bool "ST-Ericsson COH901318 DMA support"
 176         select DMA_ENGINE
 177         depends on ARCH_U300
 178         help
 179           Enable support for ST-Ericsson COH 901 318 DMA.
 180
 181 config STE_DMA40
 182         bool "ST-Ericsson DMA40 support"
 183         depends on ARCH_U8500
 184         select DMA_ENGINE
 185         help
 186           Support for ST-Ericsson DMA40 controller
 187
 188 config AMCC_PPC440SPE_ADMA
 189         tristate "AMCC PPC440SPe ADMA support"
 190         depends on 440SPe || 440SP
 191         select DMA_ENGINE
 192         select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 193         select ASYNC_TX_ENABLE_CHANNEL_SWITCH
 194         help
 195           Enable support for the AMCC PPC440SPe RAID engines.
 196
 197 config TIMB_DMA
 198         tristate "Timberdale FPGA DMA support"
 199         depends on MFD_TIMBERDALE || HAS_IOMEM
 200         select DMA_ENGINE
 201         help
 202           Enable support for the Timberdale FPGA DMA engine.
 203
 204 config SIRF_DMA
 205         tristate "CSR SiRFprimaII DMA support"
 206         depends on ARCH_PRIMA2
 207         select DMA_ENGINE
 208         help
 209           Enable support for the CSR SiRFprimaII DMA engine.
 210
 211 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
 212         bool
 213
 214 config PL330_DMA
 215         tristate "DMA API Driver for PL330"
 216         select DMA_ENGINE
 217         depends on ARM_AMBA
 218         help
 219           Select if your platform has one or more PL330 DMACs.
 220           You need to provide platform specific settings via
 221           platform_data for a dma-pl330 device.
 222
 223 config PCH_DMA
 224         tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
 225         depends on PCI && X86
 226         select DMA_ENGINE
 227         help
 228           Enable support for Intel EG20T PCH DMA engine.
 229
 230           This driver also can be used for LAPIS Semiconductor IOH(Input/
 231           Output Hub), ML7213, ML7223 and ML7831.
 232           ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
 233           for MP(Media Phone) use and ML7831 IOH is for general purpose use.
 234           ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
 235           ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 236
 237 config IMX_SDMA
 238         tristate "i.MX SDMA support"
 239         depends on ARCH_MXC
 240         select DMA_ENGINE
 241         help
 242           Support the i.MX SDMA engine. This engine is integrated into
 243           Freescale i.MX25/31/35/51/53 chips.
 244
 245 config IMX_DMA
 246         tristate "i.MX DMA support"
 247         depends on ARCH_MXC
 248         select DMA_ENGINE
 249         help
 250           Support the i.MX DMA engine. This engine is integrated into
 251           Freescale i.MX1/21/27 chips.
 252
 253 config MXS_DMA
 254         bool "MXS DMA support"
 255         depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
 256         select STMP_DEVICE
 257         select DMA_ENGINE
 258         help
 259           Support the MXS DMA engine. This engine including APBH-DMA
 260           and APBX-DMA is integrated into Freescale i.MX23/28 chips.
 261
 262 config EP93XX_DMA
 263         bool "Cirrus Logic EP93xx DMA support"
 264         depends on ARCH_EP93XX
 265         select DMA_ENGINE
 266         help
 267           Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
 268
 269 config DMA_SA11X0
 270         tristate "SA-11x0 DMA support"
 271         depends on ARCH_SA1100
 272         select DMA_ENGINE
 273         select DMA_VIRTUAL_CHANNELS
 274         help
 275           Support the DMA engine found on Intel StrongARM SA-1100 and
 276           SA-1110 SoCs.  This DMA engine can only be used with on-chip
 277           devices.
 278
 279 config MMP_TDMA
 280         bool "MMP Two-Channel DMA support"
 281         depends on ARCH_MMP
 282         select DMA_ENGINE
 283         help
 284           Support the MMP Two-Channel DMA engine.
 285           This engine used for MMP Audio DMA and pxa910 SQU.
 286
 287           Say Y here if you enabled MMP ADMA, otherwise say N.
 288
 289 config DMA_OMAP
 290         tristate "OMAP DMA support"
 291         depends on ARCH_OMAP
 292         select DMA_ENGINE
 293         select DMA_VIRTUAL_CHANNELS
 294
 295 config DMA_ENGINE
 296         bool
 297
 298 config DMA_VIRTUAL_CHANNELS
 299         tristate
 300
 301 comment "DMA Clients"
 302         depends on DMA_ENGINE
 303
 304 config NET_DMA
 305         bool "Network: TCP receive copy offload"
 306         depends on DMA_ENGINE && NET
 307         default (INTEL_IOATDMA || FSL_DMA)
 308         help
 309           This enables the use of DMA engines in the network stack to
 310           offload receive copy-to-user operations, freeing CPU cycles.
 311
 312           Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
 313           say N.
 314
 315 config ASYNC_TX_DMA
 316         bool "Async_tx: Offload support for the async_tx api"
 317         depends on DMA_ENGINE
 318         help
 319           This allows the async_tx api to take advantage of offload engines for
 320           memcpy, memset, xor, and raid6 p+q operations.  If your platform has
 321           a dma engine that can perform raid operations and you have enabled
 322           MD_RAID456 say Y.
 323
 324           If unsure, say N.
 325
 326 config DMATEST
 327         tristate "DMA Test client"
 328         depends on DMA_ENGINE
 329         help
 330           Simple DMA test client. Say N unless you're debugging a
 331           DMA Device driver.
 332
 333 endif