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 ASYNC_TX_ENABLE_CHANNEL_SWITCH 55 bool 56 57config AMBA_PL08X 58 bool "ARM PrimeCell PL080 or PL081 support" 59 depends on ARM_AMBA 60 select DMA_ENGINE 61 select DMA_VIRTUAL_CHANNELS 62 help 63 Platform has a PL08x DMAC device 64 which can provide DMA engine support 65 66config INTEL_IOATDMA 67 tristate "Intel I/OAT DMA support" 68 depends on PCI && X86 69 select DMA_ENGINE 70 select DMA_ENGINE_RAID 71 select DCA 72 help 73 Enable support for the Intel(R) I/OAT DMA engine present 74 in recent Intel Xeon chipsets. 75 76 Say Y here if you have such a chipset. 77 78 If unsure, say N. 79 80config INTEL_IOP_ADMA 81 tristate "Intel IOP ADMA support" 82 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 83 select DMA_ENGINE 84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 85 help 86 Enable support for the Intel(R) IOP Series RAID engines. 87 88source "drivers/dma/dw/Kconfig" 89 90config AT_HDMAC 91 tristate "Atmel AHB DMA support" 92 depends on ARCH_AT91 93 select DMA_ENGINE 94 help 95 Support the Atmel AHB DMA controller. 96 97config AT_XDMAC 98 tristate "Atmel XDMA support" 99 depends on ARCH_AT91 100 select DMA_ENGINE 101 help 102 Support the Atmel XDMA controller. 103 104config FSL_DMA 105 tristate "Freescale Elo series DMA support" 106 depends on FSL_SOC 107 select DMA_ENGINE 108 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 109 ---help--- 110 Enable support for the Freescale Elo series DMA controllers. 111 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 112 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 113 some Txxx and Bxxx parts. 114 115config FSL_RAID 116 tristate "Freescale RAID engine Support" 117 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 118 select DMA_ENGINE 119 select DMA_ENGINE_RAID 120 ---help--- 121 Enable support for Freescale RAID Engine. RAID Engine is 122 available on some QorIQ SoCs (like P5020/P5040). It has 123 the capability to offload memcpy, xor and pq computation 124 for raid5/6. 125 126source "drivers/dma/hsu/Kconfig" 127 128config MPC512X_DMA 129 tristate "Freescale MPC512x built-in DMA engine support" 130 depends on PPC_MPC512x || PPC_MPC831x 131 select DMA_ENGINE 132 ---help--- 133 Enable support for the Freescale MPC512x built-in DMA engine. 134 135source "drivers/dma/bestcomm/Kconfig" 136 137config MV_XOR 138 bool "Marvell XOR engine support" 139 depends on PLAT_ORION 140 select DMA_ENGINE 141 select DMA_ENGINE_RAID 142 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 143 ---help--- 144 Enable support for the Marvell XOR engine. 145 146config MX3_IPU 147 bool "MX3x Image Processing Unit support" 148 depends on ARCH_MXC 149 select DMA_ENGINE 150 default y 151 help 152 If you plan to use the Image Processing unit in the i.MX3x, say 153 Y here. If unsure, select Y. 154 155config MX3_IPU_IRQS 156 int "Number of dynamically mapped interrupts for IPU" 157 depends on MX3_IPU 158 range 2 137 159 default 4 160 help 161 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 162 To avoid bloating the irq_desc[] array we allocate a sufficient 163 number of IRQ slots and map them dynamically to specific sources. 164 165config TXX9_DMAC 166 tristate "Toshiba TXx9 SoC DMA support" 167 depends on MACH_TX49XX || MACH_TX39XX 168 select DMA_ENGINE 169 help 170 Support the TXx9 SoC internal DMA controller. This can be 171 integrated in chips such as the Toshiba TX4927/38/39. 172 173config TEGRA20_APB_DMA 174 bool "NVIDIA Tegra20 APB DMA support" 175 depends on ARCH_TEGRA 176 select DMA_ENGINE 177 help 178 Support for the NVIDIA Tegra20 APB DMA controller driver. The 179 DMA controller is having multiple DMA channel which can be 180 configured for different peripherals like audio, UART, SPI, 181 I2C etc which is in APB bus. 182 This DMA controller transfers data from memory to peripheral fifo 183 or vice versa. It does not support memory to memory data transfer. 184 185config S3C24XX_DMAC 186 tristate "Samsung S3C24XX DMA support" 187 depends on ARCH_S3C24XX 188 select DMA_ENGINE 189 select DMA_VIRTUAL_CHANNELS 190 help 191 Support for the Samsung S3C24XX DMA controller driver. The 192 DMA controller is having multiple DMA channels which can be 193 configured for different peripherals like audio, UART, SPI. 194 The DMA controller can transfer data from memory to peripheral, 195 periphal to memory, periphal to periphal and memory to memory. 196 197source "drivers/dma/sh/Kconfig" 198 199config COH901318 200 bool "ST-Ericsson COH901318 DMA support" 201 select DMA_ENGINE 202 depends on ARCH_U300 203 help 204 Enable support for ST-Ericsson COH 901 318 DMA. 205 206config STE_DMA40 207 bool "ST-Ericsson DMA40 support" 208 depends on ARCH_U8500 209 select DMA_ENGINE 210 help 211 Support for ST-Ericsson DMA40 controller 212 213config AMCC_PPC440SPE_ADMA 214 tristate "AMCC PPC440SPe ADMA support" 215 depends on 440SPe || 440SP 216 select DMA_ENGINE 217 select DMA_ENGINE_RAID 218 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 219 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 220 help 221 Enable support for the AMCC PPC440SPe RAID engines. 222 223config TIMB_DMA 224 tristate "Timberdale FPGA DMA support" 225 depends on MFD_TIMBERDALE 226 select DMA_ENGINE 227 help 228 Enable support for the Timberdale FPGA DMA engine. 229 230config SIRF_DMA 231 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 232 depends on ARCH_SIRF 233 select DMA_ENGINE 234 help 235 Enable support for the CSR SiRFprimaII DMA engine. 236 237config TI_EDMA 238 bool "TI EDMA support" 239 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE 240 select DMA_ENGINE 241 select DMA_VIRTUAL_CHANNELS 242 select TI_PRIV_EDMA 243 default n 244 help 245 Enable support for the TI EDMA controller. This DMA 246 engine is found on TI DaVinci and AM33xx parts. 247 248config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 249 bool 250 251config PL330_DMA 252 tristate "DMA API Driver for PL330" 253 select DMA_ENGINE 254 depends on ARM_AMBA 255 help 256 Select if your platform has one or more PL330 DMACs. 257 You need to provide platform specific settings via 258 platform_data for a dma-pl330 device. 259 260config PCH_DMA 261 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 262 depends on PCI && (X86_32 || COMPILE_TEST) 263 select DMA_ENGINE 264 help 265 Enable support for Intel EG20T PCH DMA engine. 266 267 This driver also can be used for LAPIS Semiconductor IOH(Input/ 268 Output Hub), ML7213, ML7223 and ML7831. 269 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 270 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 271 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 272 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 273 274config IMX_SDMA 275 tristate "i.MX SDMA support" 276 depends on ARCH_MXC 277 select DMA_ENGINE 278 help 279 Support the i.MX SDMA engine. This engine is integrated into 280 Freescale i.MX25/31/35/51/53/6 chips. 281 282config IMX_DMA 283 tristate "i.MX DMA support" 284 depends on ARCH_MXC 285 select DMA_ENGINE 286 help 287 Support the i.MX DMA engine. This engine is integrated into 288 Freescale i.MX1/21/27 chips. 289 290config MXS_DMA 291 bool "MXS DMA support" 292 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q 293 select STMP_DEVICE 294 select DMA_ENGINE 295 help 296 Support the MXS DMA engine. This engine including APBH-DMA 297 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips. 298 299config EP93XX_DMA 300 bool "Cirrus Logic EP93xx DMA support" 301 depends on ARCH_EP93XX 302 select DMA_ENGINE 303 help 304 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 305 306config DMA_SA11X0 307 tristate "SA-11x0 DMA support" 308 depends on ARCH_SA1100 309 select DMA_ENGINE 310 select DMA_VIRTUAL_CHANNELS 311 help 312 Support the DMA engine found on Intel StrongARM SA-1100 and 313 SA-1110 SoCs. This DMA engine can only be used with on-chip 314 devices. 315 316config MMP_TDMA 317 bool "MMP Two-Channel DMA support" 318 depends on ARCH_MMP 319 select DMA_ENGINE 320 select MMP_SRAM 321 help 322 Support the MMP Two-Channel DMA engine. 323 This engine used for MMP Audio DMA and pxa910 SQU. 324 It needs sram driver under mach-mmp. 325 326 Say Y here if you enabled MMP ADMA, otherwise say N. 327 328config DMA_OMAP 329 tristate "OMAP DMA support" 330 depends on ARCH_OMAP 331 select DMA_ENGINE 332 select DMA_VIRTUAL_CHANNELS 333 334config DMA_BCM2835 335 tristate "BCM2835 DMA engine support" 336 depends on ARCH_BCM2835 337 select DMA_ENGINE 338 select DMA_VIRTUAL_CHANNELS 339 340config TI_CPPI41 341 tristate "AM33xx CPPI41 DMA support" 342 depends on ARCH_OMAP 343 select DMA_ENGINE 344 help 345 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 346 is currently used by the USB driver on AM335x platforms. 347 348config MMP_PDMA 349 bool "MMP PDMA support" 350 depends on (ARCH_MMP || ARCH_PXA) 351 select DMA_ENGINE 352 help 353 Support the MMP PDMA engine for PXA and MMP platform. 354 355config DMA_JZ4740 356 tristate "JZ4740 DMA support" 357 depends on MACH_JZ4740 358 select DMA_ENGINE 359 select DMA_VIRTUAL_CHANNELS 360 361config DMA_JZ4780 362 tristate "JZ4780 DMA support" 363 depends on MACH_JZ4780 364 select DMA_ENGINE 365 select DMA_VIRTUAL_CHANNELS 366 help 367 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 368 If you have a board based on such a SoC and wish to use DMA for 369 devices which can use the DMA controller, say Y or M here. 370 371config K3_DMA 372 tristate "Hisilicon K3 DMA support" 373 depends on ARCH_HI3xxx 374 select DMA_ENGINE 375 select DMA_VIRTUAL_CHANNELS 376 help 377 Support the DMA engine for Hisilicon K3 platform 378 devices. 379 380config MOXART_DMA 381 tristate "MOXART DMA support" 382 depends on ARCH_MOXART 383 select DMA_ENGINE 384 select DMA_OF 385 select DMA_VIRTUAL_CHANNELS 386 help 387 Enable support for the MOXA ART SoC DMA controller. 388 389config FSL_EDMA 390 tristate "Freescale eDMA engine support" 391 depends on OF 392 select DMA_ENGINE 393 select DMA_VIRTUAL_CHANNELS 394 help 395 Support the Freescale eDMA engine with programmable channel 396 multiplexing capability for DMA request sources(slot). 397 This module can be found on Freescale Vybrid and LS-1 SoCs. 398 399config XILINX_VDMA 400 tristate "Xilinx AXI VDMA Engine" 401 depends on (ARCH_ZYNQ || MICROBLAZE) 402 select DMA_ENGINE 403 help 404 Enable support for Xilinx AXI VDMA Soft IP. 405 406 This engine provides high-bandwidth direct memory access 407 between memory and AXI4-Stream video type target 408 peripherals including peripherals which support AXI4- 409 Stream Video Protocol. It has two stream interfaces/ 410 channels, Memory Mapped to Stream (MM2S) and Stream to 411 Memory Mapped (S2MM) for the data transfers. 412 413config DMA_SUN6I 414 tristate "Allwinner A31 SoCs DMA support" 415 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST 416 depends on RESET_CONTROLLER 417 select DMA_ENGINE 418 select DMA_VIRTUAL_CHANNELS 419 help 420 Support for the DMA engine first found in Allwinner A31 SoCs. 421 422config NBPFAXI_DMA 423 tristate "Renesas Type-AXI NBPF DMA support" 424 select DMA_ENGINE 425 depends on ARM || COMPILE_TEST 426 help 427 Support for "Type-AXI" NBPF DMA IPs from Renesas 428 429config IMG_MDC_DMA 430 tristate "IMG MDC support" 431 depends on MIPS || COMPILE_TEST 432 depends on MFD_SYSCON 433 select DMA_ENGINE 434 select DMA_VIRTUAL_CHANNELS 435 help 436 Enable support for the IMG multi-threaded DMA controller (MDC). 437 438config XGENE_DMA 439 tristate "APM X-Gene DMA support" 440 depends on ARCH_XGENE || COMPILE_TEST 441 select DMA_ENGINE 442 select DMA_ENGINE_RAID 443 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 444 help 445 Enable support for the APM X-Gene SoC DMA engine. 446 447config DMA_ENGINE 448 bool 449 450config DMA_VIRTUAL_CHANNELS 451 tristate 452 453config DMA_ACPI 454 def_bool y 455 depends on ACPI 456 457config DMA_OF 458 def_bool y 459 depends on OF 460 select DMA_ENGINE 461 462comment "DMA Clients" 463 depends on DMA_ENGINE 464 465config ASYNC_TX_DMA 466 bool "Async_tx: Offload support for the async_tx api" 467 depends on DMA_ENGINE 468 help 469 This allows the async_tx api to take advantage of offload engines for 470 memcpy, memset, xor, and raid6 p+q operations. If your platform has 471 a dma engine that can perform raid operations and you have enabled 472 MD_RAID456 say Y. 473 474 If unsure, say N. 475 476config DMATEST 477 tristate "DMA Test client" 478 depends on DMA_ENGINE 479 help 480 Simple DMA test client. Say N unless you're debugging a 481 DMA Device driver. 482 483config DMA_ENGINE_RAID 484 bool 485 486config QCOM_BAM_DMA 487 tristate "QCOM BAM DMA support" 488 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM) 489 select DMA_ENGINE 490 select DMA_VIRTUAL_CHANNELS 491 ---help--- 492 Enable support for the QCOM BAM DMA controller. This controller 493 provides DMA capabilities for a variety of on-chip devices. 494 495endif 496