1# 2# DMA engine configuration 3# 4 5menuconfig 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 16config 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 23config 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 32if DMADEVICES 33 34comment "DMA Devices" 35 36config 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 54config INTEL_MID_DMAC 55 tristate "Intel MID DMA support for Peripheral DMA controllers" 56 depends on PCI && X86 57 select DMA_ENGINE 58 default n 59 help 60 Enable support for the Intel(R) MID DMA engine present 61 in Intel MID chipsets. 62 63 Say Y here if you have such a chipset. 64 65 If unsure, say N. 66 67config ASYNC_TX_ENABLE_CHANNEL_SWITCH 68 bool 69 70config AMBA_PL08X 71 bool "ARM PrimeCell PL080 or PL081 support" 72 depends on ARM_AMBA 73 select DMA_ENGINE 74 select DMA_VIRTUAL_CHANNELS 75 help 76 Platform has a PL08x DMAC device 77 which can provide DMA engine support 78 79config INTEL_IOATDMA 80 tristate "Intel I/OAT DMA support" 81 depends on PCI && X86 82 select DMA_ENGINE 83 select DMA_ENGINE_RAID 84 select DCA 85 help 86 Enable support for the Intel(R) I/OAT DMA engine present 87 in recent Intel Xeon chipsets. 88 89 Say Y here if you have such a chipset. 90 91 If unsure, say N. 92 93config INTEL_IOP_ADMA 94 tristate "Intel IOP ADMA support" 95 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 96 select DMA_ENGINE 97 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 98 help 99 Enable support for the Intel(R) IOP Series RAID engines. 100 101source "drivers/dma/dw/Kconfig" 102 103config AT_HDMAC 104 tristate "Atmel AHB DMA support" 105 depends on ARCH_AT91 106 select DMA_ENGINE 107 help 108 Support the Atmel AHB DMA controller. 109 110config FSL_DMA 111 tristate "Freescale Elo series DMA support" 112 depends on FSL_SOC 113 select DMA_ENGINE 114 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 115 ---help--- 116 Enable support for the Freescale Elo series DMA controllers. 117 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 118 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 119 some Txxx and Bxxx parts. 120 121config MPC512X_DMA 122 tristate "Freescale MPC512x built-in DMA engine support" 123 depends on PPC_MPC512x || PPC_MPC831x 124 select DMA_ENGINE 125 ---help--- 126 Enable support for the Freescale MPC512x built-in DMA engine. 127 128source "drivers/dma/bestcomm/Kconfig" 129 130config MV_XOR 131 bool "Marvell XOR engine support" 132 depends on PLAT_ORION 133 select DMA_ENGINE 134 select DMA_ENGINE_RAID 135 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 136 ---help--- 137 Enable support for the Marvell XOR engine. 138 139config MX3_IPU 140 bool "MX3x Image Processing Unit support" 141 depends on ARCH_MXC 142 select DMA_ENGINE 143 default y 144 help 145 If you plan to use the Image Processing unit in the i.MX3x, say 146 Y here. If unsure, select Y. 147 148config MX3_IPU_IRQS 149 int "Number of dynamically mapped interrupts for IPU" 150 depends on MX3_IPU 151 range 2 137 152 default 4 153 help 154 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 155 To avoid bloating the irq_desc[] array we allocate a sufficient 156 number of IRQ slots and map them dynamically to specific sources. 157 158config TXX9_DMAC 159 tristate "Toshiba TXx9 SoC DMA support" 160 depends on MACH_TX49XX || MACH_TX39XX 161 select DMA_ENGINE 162 help 163 Support the TXx9 SoC internal DMA controller. This can be 164 integrated in chips such as the Toshiba TX4927/38/39. 165 166config TEGRA20_APB_DMA 167 bool "NVIDIA Tegra20 APB DMA support" 168 depends on ARCH_TEGRA 169 select DMA_ENGINE 170 help 171 Support for the NVIDIA Tegra20 APB DMA controller driver. The 172 DMA controller is having multiple DMA channel which can be 173 configured for different peripherals like audio, UART, SPI, 174 I2C etc which is in APB bus. 175 This DMA controller transfers data from memory to peripheral fifo 176 or vice versa. It does not support memory to memory data transfer. 177 178config S3C24XX_DMAC 179 tristate "Samsung S3C24XX DMA support" 180 depends on ARCH_S3C24XX && !S3C24XX_DMA 181 select DMA_ENGINE 182 select DMA_VIRTUAL_CHANNELS 183 help 184 Support for the Samsung S3C24XX DMA controller driver. The 185 DMA controller is having multiple DMA channels which can be 186 configured for different peripherals like audio, UART, SPI. 187 The DMA controller can transfer data from memory to peripheral, 188 periphal to memory, periphal to periphal and memory to memory. 189 190source "drivers/dma/sh/Kconfig" 191 192config COH901318 193 bool "ST-Ericsson COH901318 DMA support" 194 select DMA_ENGINE 195 depends on ARCH_U300 196 help 197 Enable support for ST-Ericsson COH 901 318 DMA. 198 199config STE_DMA40 200 bool "ST-Ericsson DMA40 support" 201 depends on ARCH_U8500 202 select DMA_ENGINE 203 help 204 Support for ST-Ericsson DMA40 controller 205 206config AMCC_PPC440SPE_ADMA 207 tristate "AMCC PPC440SPe ADMA support" 208 depends on 440SPe || 440SP 209 select DMA_ENGINE 210 select DMA_ENGINE_RAID 211 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 212 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 213 help 214 Enable support for the AMCC PPC440SPe RAID engines. 215 216config TIMB_DMA 217 tristate "Timberdale FPGA DMA support" 218 depends on MFD_TIMBERDALE 219 select DMA_ENGINE 220 help 221 Enable support for the Timberdale FPGA DMA engine. 222 223config SIRF_DMA 224 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 225 depends on ARCH_SIRF 226 select DMA_ENGINE 227 help 228 Enable support for the CSR SiRFprimaII DMA engine. 229 230config TI_EDMA 231 bool "TI EDMA support" 232 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE 233 select DMA_ENGINE 234 select DMA_VIRTUAL_CHANNELS 235 select TI_PRIV_EDMA 236 default n 237 help 238 Enable support for the TI EDMA controller. This DMA 239 engine is found on TI DaVinci and AM33xx parts. 240 241config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 242 bool 243 244config PL330_DMA 245 tristate "DMA API Driver for PL330" 246 select DMA_ENGINE 247 depends on ARM_AMBA 248 help 249 Select if your platform has one or more PL330 DMACs. 250 You need to provide platform specific settings via 251 platform_data for a dma-pl330 device. 252 253config PCH_DMA 254 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 255 depends on PCI && (X86_32 || COMPILE_TEST) 256 select DMA_ENGINE 257 help 258 Enable support for Intel EG20T PCH DMA engine. 259 260 This driver also can be used for LAPIS Semiconductor IOH(Input/ 261 Output Hub), ML7213, ML7223 and ML7831. 262 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 263 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 264 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 265 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 266 267config IMX_SDMA 268 tristate "i.MX SDMA support" 269 depends on ARCH_MXC 270 select DMA_ENGINE 271 help 272 Support the i.MX SDMA engine. This engine is integrated into 273 Freescale i.MX25/31/35/51/53 chips. 274 275config IMX_DMA 276 tristate "i.MX DMA support" 277 depends on ARCH_MXC 278 select DMA_ENGINE 279 help 280 Support the i.MX DMA engine. This engine is integrated into 281 Freescale i.MX1/21/27 chips. 282 283config MXS_DMA 284 bool "MXS DMA support" 285 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q 286 select STMP_DEVICE 287 select DMA_ENGINE 288 help 289 Support the MXS DMA engine. This engine including APBH-DMA 290 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips. 291 292config EP93XX_DMA 293 bool "Cirrus Logic EP93xx DMA support" 294 depends on ARCH_EP93XX 295 select DMA_ENGINE 296 help 297 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 298 299config DMA_SA11X0 300 tristate "SA-11x0 DMA support" 301 depends on ARCH_SA1100 302 select DMA_ENGINE 303 select DMA_VIRTUAL_CHANNELS 304 help 305 Support the DMA engine found on Intel StrongARM SA-1100 and 306 SA-1110 SoCs. This DMA engine can only be used with on-chip 307 devices. 308 309config MMP_TDMA 310 bool "MMP Two-Channel DMA support" 311 depends on ARCH_MMP 312 select DMA_ENGINE 313 select MMP_SRAM 314 help 315 Support the MMP Two-Channel DMA engine. 316 This engine used for MMP Audio DMA and pxa910 SQU. 317 It needs sram driver under mach-mmp. 318 319 Say Y here if you enabled MMP ADMA, otherwise say N. 320 321config DMA_OMAP 322 tristate "OMAP DMA support" 323 depends on ARCH_OMAP 324 select DMA_ENGINE 325 select DMA_VIRTUAL_CHANNELS 326 327config DMA_BCM2835 328 tristate "BCM2835 DMA engine support" 329 depends on ARCH_BCM2835 330 select DMA_ENGINE 331 select DMA_VIRTUAL_CHANNELS 332 333config TI_CPPI41 334 tristate "AM33xx CPPI41 DMA support" 335 depends on ARCH_OMAP 336 select DMA_ENGINE 337 help 338 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 339 is currently used by the USB driver on AM335x platforms. 340 341config MMP_PDMA 342 bool "MMP PDMA support" 343 depends on (ARCH_MMP || ARCH_PXA) 344 select DMA_ENGINE 345 help 346 Support the MMP PDMA engine for PXA and MMP platform. 347 348config DMA_JZ4740 349 tristate "JZ4740 DMA support" 350 depends on MACH_JZ4740 351 select DMA_ENGINE 352 select DMA_VIRTUAL_CHANNELS 353 354config K3_DMA 355 tristate "Hisilicon K3 DMA support" 356 depends on ARCH_HI3xxx 357 select DMA_ENGINE 358 select DMA_VIRTUAL_CHANNELS 359 help 360 Support the DMA engine for Hisilicon K3 platform 361 devices. 362 363config MOXART_DMA 364 tristate "MOXART DMA support" 365 depends on ARCH_MOXART 366 select DMA_ENGINE 367 select DMA_OF 368 select DMA_VIRTUAL_CHANNELS 369 help 370 Enable support for the MOXA ART SoC DMA controller. 371 372config FSL_EDMA 373 tristate "Freescale eDMA engine support" 374 depends on OF 375 select DMA_ENGINE 376 select DMA_VIRTUAL_CHANNELS 377 help 378 Support the Freescale eDMA engine with programmable channel 379 multiplexing capability for DMA request sources(slot). 380 This module can be found on Freescale Vybrid and LS-1 SoCs. 381 382config XILINX_VDMA 383 tristate "Xilinx AXI VDMA Engine" 384 depends on (ARCH_ZYNQ || MICROBLAZE) 385 select DMA_ENGINE 386 help 387 Enable support for Xilinx AXI VDMA Soft IP. 388 389 This engine provides high-bandwidth direct memory access 390 between memory and AXI4-Stream video type target 391 peripherals including peripherals which support AXI4- 392 Stream Video Protocol. It has two stream interfaces/ 393 channels, Memory Mapped to Stream (MM2S) and Stream to 394 Memory Mapped (S2MM) for the data transfers. 395 396config DMA_SUN6I 397 tristate "Allwinner A31 SoCs DMA support" 398 depends on MACH_SUN6I || COMPILE_TEST 399 depends on RESET_CONTROLLER 400 select DMA_ENGINE 401 select DMA_VIRTUAL_CHANNELS 402 help 403 Support for the DMA engine for Allwinner A31 SoCs. 404 405config NBPFAXI_DMA 406 tristate "Renesas Type-AXI NBPF DMA support" 407 select DMA_ENGINE 408 depends on ARM || COMPILE_TEST 409 help 410 Support for "Type-AXI" NBPF DMA IPs from Renesas 411 412config DMA_ENGINE 413 bool 414 415config DMA_VIRTUAL_CHANNELS 416 tristate 417 418config DMA_ACPI 419 def_bool y 420 depends on ACPI 421 422config DMA_OF 423 def_bool y 424 depends on OF 425 select DMA_ENGINE 426 427comment "DMA Clients" 428 depends on DMA_ENGINE 429 430config NET_DMA 431 bool "Network: TCP receive copy offload" 432 depends on DMA_ENGINE && NET 433 default (INTEL_IOATDMA || FSL_DMA) 434 depends on BROKEN 435 help 436 This enables the use of DMA engines in the network stack to 437 offload receive copy-to-user operations, freeing CPU cycles. 438 439 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise 440 say N. 441 442config ASYNC_TX_DMA 443 bool "Async_tx: Offload support for the async_tx api" 444 depends on DMA_ENGINE 445 help 446 This allows the async_tx api to take advantage of offload engines for 447 memcpy, memset, xor, and raid6 p+q operations. If your platform has 448 a dma engine that can perform raid operations and you have enabled 449 MD_RAID456 say Y. 450 451 If unsure, say N. 452 453config DMATEST 454 tristate "DMA Test client" 455 depends on DMA_ENGINE 456 help 457 Simple DMA test client. Say N unless you're debugging a 458 DMA Device driver. 459 460config DMA_ENGINE_RAID 461 bool 462 463config QCOM_BAM_DMA 464 tristate "QCOM BAM DMA support" 465 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM) 466 select DMA_ENGINE 467 select DMA_VIRTUAL_CHANNELS 468 ---help--- 469 Enable support for the QCOM BAM DMA controller. This controller 470 provides DMA capabilities for a variety of on-chip devices. 471 472endif 473