| # |
| # DMA engine configuration |
| # |
| |
| menuconfig DMADEVICES |
| bool "DMA Engine support" |
| depends on HAS_DMA |
| help |
| DMA engines can do asynchronous data transfers without |
| involving the host CPU. Currently, this framework can be |
| used to offload memory copies in the network stack and |
| RAID operations in the MD driver. This menu only presents |
| DMA Device drivers supported by the configured arch, it may |
| be empty in some cases. |
| |
| config DMADEVICES_DEBUG |
| bool "DMA Engine debugging" |
| depends on DMADEVICES != n |
| help |
| This is an option for use by developers; most people should |
| say N here. This enables DMA engine core and driver debugging. |
| |
| config DMADEVICES_VDEBUG |
| bool "DMA Engine verbose debugging" |
| depends on DMADEVICES_DEBUG != n |
| help |
| This is an option for use by developers; most people should |
| say N here. This enables deeper (more verbose) debugging of |
| the DMA engine core and drivers. |
| |
| |
| if DMADEVICES |
| |
| comment "DMA Devices" |
| |
| config INTEL_MID_DMAC |
| tristate "Intel MID DMA support for Peripheral DMA controllers" |
| depends on PCI && X86 |
| select DMA_ENGINE |
| default n |
| help |
| Enable support for the Intel(R) MID DMA engine present |
| in Intel MID chipsets. |
| |
| Say Y here if you have such a chipset. |
| |
| If unsure, say N. |
| |
| config ASYNC_TX_ENABLE_CHANNEL_SWITCH |
| bool |
| |
| config AMBA_PL08X |
| bool "ARM PrimeCell PL080 or PL081 support" |
| depends on ARM_AMBA && EXPERIMENTAL |
| select DMA_ENGINE |
| help |
| Platform has a PL08x DMAC device |
| which can provide DMA engine support |
| |
| config INTEL_IOATDMA |
| tristate "Intel I/OAT DMA support" |
| depends on PCI && X86 |
| select DMA_ENGINE |
| select DCA |
| select ASYNC_TX_DISABLE_PQ_VAL_DMA |
| select ASYNC_TX_DISABLE_XOR_VAL_DMA |
| help |
| Enable support for the Intel(R) I/OAT DMA engine present |
| in recent Intel Xeon chipsets. |
| |
| Say Y here if you have such a chipset. |
| |
| If unsure, say N. |
| |
| config INTEL_IOP_ADMA |
| tristate "Intel IOP ADMA support" |
| depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX |
| select DMA_ENGINE |
| select ASYNC_TX_ENABLE_CHANNEL_SWITCH |
| help |
| Enable support for the Intel(R) IOP Series RAID engines. |
| |
| config DW_DMAC |
| tristate "Synopsys DesignWare AHB DMA support" |
| depends on HAVE_CLK |
| select DMA_ENGINE |
| default y if CPU_AT32AP7000 |
| help |
| Support the Synopsys DesignWare AHB DMA controller. This |
| can be integrated in chips such as the Atmel AT32ap7000. |
| |
| config AT_HDMAC |
| tristate "Atmel AHB DMA support" |
| depends on ARCH_AT91SAM9RL || ARCH_AT91SAM9G45 |
| select DMA_ENGINE |
| help |
| Support the Atmel AHB DMA controller. This can be integrated in |
| chips such as the Atmel AT91SAM9RL. |
| |
| config FSL_DMA |
| tristate "Freescale Elo and Elo Plus DMA support" |
| depends on FSL_SOC |
| select DMA_ENGINE |
| select ASYNC_TX_ENABLE_CHANNEL_SWITCH |
| ---help--- |
| Enable support for the Freescale Elo and Elo Plus DMA controllers. |
| The Elo is the DMA controller on some 82xx and 83xx parts, and the |
| Elo Plus is the DMA controller on 85xx and 86xx parts. |
| |
| config MPC512X_DMA |
| tristate "Freescale MPC512x built-in DMA engine support" |
| depends on PPC_MPC512x || PPC_MPC831x |
| select DMA_ENGINE |
| ---help--- |
| Enable support for the Freescale MPC512x built-in DMA engine. |
| |
| config MV_XOR |
| bool "Marvell XOR engine support" |
| depends on PLAT_ORION |
| select DMA_ENGINE |
| select ASYNC_TX_ENABLE_CHANNEL_SWITCH |
| ---help--- |
| Enable support for the Marvell XOR engine. |
| |
| config MX3_IPU |
| bool "MX3x Image Processing Unit support" |
| depends on ARCH_MX3 |
| select DMA_ENGINE |
| default y |
| help |
| If you plan to use the Image Processing unit in the i.MX3x, say |
| Y here. If unsure, select Y. |
| |
| config MX3_IPU_IRQS |
| int "Number of dynamically mapped interrupts for IPU" |
| depends on MX3_IPU |
| range 2 137 |
| default 4 |
| help |
| Out of 137 interrupt sources on i.MX31 IPU only very few are used. |
| To avoid bloating the irq_desc[] array we allocate a sufficient |
| number of IRQ slots and map them dynamically to specific sources. |
| |
| config TXX9_DMAC |
| tristate "Toshiba TXx9 SoC DMA support" |
| depends on MACH_TX49XX || MACH_TX39XX |
| select DMA_ENGINE |
| help |
| Support the TXx9 SoC internal DMA controller. This can be |
| integrated in chips such as the Toshiba TX4927/38/39. |
| |
| config SH_DMAE |
| tristate "Renesas SuperH DMAC support" |
| depends on (SUPERH && SH_DMA) || (ARM && ARCH_SHMOBILE) |
| depends on !SH_DMA_API |
| select DMA_ENGINE |
| help |
| Enable support for the Renesas SuperH DMA controllers. |
| |
| config COH901318 |
| bool "ST-Ericsson COH901318 DMA support" |
| select DMA_ENGINE |
| depends on ARCH_U300 |
| help |
| Enable support for ST-Ericsson COH 901 318 DMA. |
| |
| config STE_DMA40 |
| bool "ST-Ericsson DMA40 support" |
| depends on ARCH_U8500 |
| select DMA_ENGINE |
| help |
| Support for ST-Ericsson DMA40 controller |
| |
| config AMCC_PPC440SPE_ADMA |
| tristate "AMCC PPC440SPe ADMA support" |
| depends on 440SPe || 440SP |
| select DMA_ENGINE |
| select ARCH_HAS_ASYNC_TX_FIND_CHANNEL |
| select ASYNC_TX_ENABLE_CHANNEL_SWITCH |
| help |
| Enable support for the AMCC PPC440SPe RAID engines. |
| |
| config TIMB_DMA |
| tristate "Timberdale FPGA DMA support" |
| depends on MFD_TIMBERDALE || HAS_IOMEM |
| select DMA_ENGINE |
| help |
| Enable support for the Timberdale FPGA DMA engine. |
| |
| config ARCH_HAS_ASYNC_TX_FIND_CHANNEL |
| bool |
| |
| config PL330_DMA |
| tristate "DMA API Driver for PL330" |
| select DMA_ENGINE |
| depends on PL330 |
| help |
| Select if your platform has one or more PL330 DMACs. |
| You need to provide platform specific settings via |
| platform_data for a dma-pl330 device. |
| |
| config PCH_DMA |
| tristate "Intel EG20T PCH / OKI Semi IOH(ML7213/ML7223) DMA support" |
| depends on PCI && X86 |
| select DMA_ENGINE |
| help |
| Enable support for Intel EG20T PCH DMA engine. |
| |
| This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ |
| Output Hub), ML7213 and ML7223. |
| ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is |
| for MP(Media Phone) use. |
| ML7213/ML7223 is companion chip for Intel Atom E6xx series. |
| ML7213/ML7223 is completely compatible for Intel EG20T PCH. |
| |
| config IMX_SDMA |
| tristate "i.MX SDMA support" |
| depends on ARCH_MX25 || ARCH_MX3 || ARCH_MX5 |
| select DMA_ENGINE |
| help |
| Support the i.MX SDMA engine. This engine is integrated into |
| Freescale i.MX25/31/35/51 chips. |
| |
| config IMX_DMA |
| tristate "i.MX DMA support" |
| depends on IMX_HAVE_DMA_V1 |
| select DMA_ENGINE |
| help |
| Support the i.MX DMA engine. This engine is integrated into |
| Freescale i.MX1/21/27 chips. |
| |
| config MXS_DMA |
| bool "MXS DMA support" |
| depends on SOC_IMX23 || SOC_IMX28 |
| select DMA_ENGINE |
| help |
| Support the MXS DMA engine. This engine including APBH-DMA |
| and APBX-DMA is integrated into Freescale i.MX23/28 chips. |
| |
| config DMA_ENGINE |
| bool |
| |
| comment "DMA Clients" |
| depends on DMA_ENGINE |
| |
| config NET_DMA |
| bool "Network: TCP receive copy offload" |
| depends on DMA_ENGINE && NET |
| default (INTEL_IOATDMA || FSL_DMA) |
| help |
| This enables the use of DMA engines in the network stack to |
| offload receive copy-to-user operations, freeing CPU cycles. |
| |
| Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise |
| say N. |
| |
| config ASYNC_TX_DMA |
| bool "Async_tx: Offload support for the async_tx api" |
| depends on DMA_ENGINE |
| help |
| This allows the async_tx api to take advantage of offload engines for |
| memcpy, memset, xor, and raid6 p+q operations. If your platform has |
| a dma engine that can perform raid operations and you have enabled |
| MD_RAID456 say Y. |
| |
| If unsure, say N. |
| |
| config DMATEST |
| tristate "DMA Test client" |
| depends on DMA_ENGINE |
| help |
| Simple DMA test client. Say N unless you're debugging a |
| DMA Device driver. |
| |
| endif |
