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 36#core 37config ASYNC_TX_ENABLE_CHANNEL_SWITCH 38 bool 39 40config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 41 bool 42 43config DMA_ENGINE 44 bool 45 46config DMA_VIRTUAL_CHANNELS 47 tristate 48 49config DMA_ACPI 50 def_bool y 51 depends on ACPI 52 53config DMA_OF 54 def_bool y 55 depends on OF 56 select DMA_ENGINE 57 58#devices 59config AMBA_PL08X 60 bool "ARM PrimeCell PL080 or PL081 support" 61 depends on ARM_AMBA 62 select DMA_ENGINE 63 select DMA_VIRTUAL_CHANNELS 64 help 65 Platform has a PL08x DMAC device 66 which can provide DMA engine support 67 68config AMCC_PPC440SPE_ADMA 69 tristate "AMCC PPC440SPe ADMA support" 70 depends on 440SPe || 440SP 71 select DMA_ENGINE 72 select DMA_ENGINE_RAID 73 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 74 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 75 help 76 Enable support for the AMCC PPC440SPe RAID engines. 77 78config AT_HDMAC 79 tristate "Atmel AHB DMA support" 80 depends on ARCH_AT91 81 select DMA_ENGINE 82 help 83 Support the Atmel AHB DMA controller. 84 85config AT_XDMAC 86 tristate "Atmel XDMA support" 87 depends on ARCH_AT91 88 select DMA_ENGINE 89 help 90 Support the Atmel XDMA controller. 91 92config AXI_DMAC 93 tristate "Analog Devices AXI-DMAC DMA support" 94 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST 95 select DMA_ENGINE 96 select DMA_VIRTUAL_CHANNELS 97 help 98 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 99 controller is often used in Analog Device's reference designs for FPGA 100 platforms. 101 102config COH901318 103 bool "ST-Ericsson COH901318 DMA support" 104 select DMA_ENGINE 105 depends on ARCH_U300 106 help 107 Enable support for ST-Ericsson COH 901 318 DMA. 108 109config DMA_BCM2835 110 tristate "BCM2835 DMA engine support" 111 depends on ARCH_BCM2835 112 select DMA_ENGINE 113 select DMA_VIRTUAL_CHANNELS 114 115config DMA_JZ4740 116 tristate "JZ4740 DMA support" 117 depends on MACH_JZ4740 118 select DMA_ENGINE 119 select DMA_VIRTUAL_CHANNELS 120 121config DMA_JZ4780 122 tristate "JZ4780 DMA support" 123 depends on MACH_JZ4780 124 select DMA_ENGINE 125 select DMA_VIRTUAL_CHANNELS 126 help 127 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 128 If you have a board based on such a SoC and wish to use DMA for 129 devices which can use the DMA controller, say Y or M here. 130 131config DMA_OMAP 132 tristate "OMAP DMA support" 133 depends on ARCH_OMAP 134 select DMA_ENGINE 135 select DMA_VIRTUAL_CHANNELS 136 select TI_DMA_CROSSBAR if SOC_DRA7XX 137 138config DMA_SA11X0 139 tristate "SA-11x0 DMA support" 140 depends on ARCH_SA1100 141 select DMA_ENGINE 142 select DMA_VIRTUAL_CHANNELS 143 help 144 Support the DMA engine found on Intel StrongARM SA-1100 and 145 SA-1110 SoCs. This DMA engine can only be used with on-chip 146 devices. 147 148config DMA_SUN4I 149 tristate "Allwinner A10 DMA SoCs support" 150 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 151 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 152 select DMA_ENGINE 153 select DMA_OF 154 select DMA_VIRTUAL_CHANNELS 155 help 156 Enable support for the DMA controller present in the sun4i, 157 sun5i and sun7i Allwinner ARM SoCs. 158 159config DMA_SUN6I 160 tristate "Allwinner A31 SoCs DMA support" 161 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST 162 depends on RESET_CONTROLLER 163 select DMA_ENGINE 164 select DMA_VIRTUAL_CHANNELS 165 help 166 Support for the DMA engine first found in Allwinner A31 SoCs. 167 168config EP93XX_DMA 169 bool "Cirrus Logic EP93xx DMA support" 170 depends on ARCH_EP93XX 171 select DMA_ENGINE 172 help 173 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 174 175config FSL_DMA 176 tristate "Freescale Elo series DMA support" 177 depends on FSL_SOC 178 select DMA_ENGINE 179 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 180 ---help--- 181 Enable support for the Freescale Elo series DMA controllers. 182 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 183 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 184 some Txxx and Bxxx parts. 185 186config FSL_EDMA 187 tristate "Freescale eDMA engine support" 188 depends on OF 189 select DMA_ENGINE 190 select DMA_VIRTUAL_CHANNELS 191 help 192 Support the Freescale eDMA engine with programmable channel 193 multiplexing capability for DMA request sources(slot). 194 This module can be found on Freescale Vybrid and LS-1 SoCs. 195 196config FSL_RAID 197 tristate "Freescale RAID engine Support" 198 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 199 select DMA_ENGINE 200 select DMA_ENGINE_RAID 201 ---help--- 202 Enable support for Freescale RAID Engine. RAID Engine is 203 available on some QorIQ SoCs (like P5020/P5040). It has 204 the capability to offload memcpy, xor and pq computation 205 for raid5/6. 206 207config IMG_MDC_DMA 208 tristate "IMG MDC support" 209 depends on MIPS || COMPILE_TEST 210 depends on MFD_SYSCON 211 select DMA_ENGINE 212 select DMA_VIRTUAL_CHANNELS 213 help 214 Enable support for the IMG multi-threaded DMA controller (MDC). 215 216config IMX_DMA 217 tristate "i.MX DMA support" 218 depends on ARCH_MXC 219 select DMA_ENGINE 220 help 221 Support the i.MX DMA engine. This engine is integrated into 222 Freescale i.MX1/21/27 chips. 223 224config IMX_SDMA 225 tristate "i.MX SDMA support" 226 depends on ARCH_MXC 227 select DMA_ENGINE 228 help 229 Support the i.MX SDMA engine. This engine is integrated into 230 Freescale i.MX25/31/35/51/53/6 chips. 231 232config INTEL_IDMA64 233 tristate "Intel integrated DMA 64-bit support" 234 select DMA_ENGINE 235 select DMA_VIRTUAL_CHANNELS 236 help 237 Enable DMA support for Intel Low Power Subsystem such as found on 238 Intel Skylake PCH. 239 240config INTEL_IOATDMA 241 tristate "Intel I/OAT DMA support" 242 depends on PCI && X86_64 243 select DMA_ENGINE 244 select DMA_ENGINE_RAID 245 select DCA 246 help 247 Enable support for the Intel(R) I/OAT DMA engine present 248 in recent Intel Xeon chipsets. 249 250 Say Y here if you have such a chipset. 251 252 If unsure, say N. 253 254config INTEL_IOP_ADMA 255 tristate "Intel IOP ADMA support" 256 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 257 select DMA_ENGINE 258 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 259 help 260 Enable support for the Intel(R) IOP Series RAID engines. 261 262config INTEL_MIC_X100_DMA 263 tristate "Intel MIC X100 DMA Driver" 264 depends on 64BIT && X86 && INTEL_MIC_BUS 265 select DMA_ENGINE 266 help 267 This enables DMA support for the Intel Many Integrated Core 268 (MIC) family of PCIe form factor coprocessor X100 devices that 269 run a 64 bit Linux OS. This driver will be used by both MIC 270 host and card drivers. 271 272 If you are building host kernel with a MIC device or a card 273 kernel for a MIC device, then say M (recommended) or Y, else 274 say N. If unsure say N. 275 276 More information about the Intel MIC family as well as the Linux 277 OS and tools for MIC to use with this driver are available from 278 <http://software.intel.com/en-us/mic-developer>. 279 280config K3_DMA 281 tristate "Hisilicon K3 DMA support" 282 depends on ARCH_HI3xxx 283 select DMA_ENGINE 284 select DMA_VIRTUAL_CHANNELS 285 help 286 Support the DMA engine for Hisilicon K3 platform 287 devices. 288 289config LPC18XX_DMAMUX 290 bool "NXP LPC18xx/43xx DMA MUX for PL080" 291 depends on ARCH_LPC18XX || COMPILE_TEST 292 depends on OF && AMBA_PL08X 293 select MFD_SYSCON 294 help 295 Enable support for DMA on NXP LPC18xx/43xx platforms 296 with PL080 and multiplexed DMA request lines. 297 298config 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 platform. 304 305config MMP_TDMA 306 bool "MMP Two-Channel DMA support" 307 depends on ARCH_MMP 308 select DMA_ENGINE 309 select MMP_SRAM 310 help 311 Support the MMP Two-Channel DMA engine. 312 This engine used for MMP Audio DMA and pxa910 SQU. 313 It needs sram driver under mach-mmp. 314 315config MOXART_DMA 316 tristate "MOXART DMA support" 317 depends on ARCH_MOXART 318 select DMA_ENGINE 319 select DMA_OF 320 select DMA_VIRTUAL_CHANNELS 321 help 322 Enable support for the MOXA ART SoC DMA controller. 323 324 Say Y here if you enabled MMP ADMA, otherwise say N. 325 326config MPC512X_DMA 327 tristate "Freescale MPC512x built-in DMA engine support" 328 depends on PPC_MPC512x || PPC_MPC831x 329 select DMA_ENGINE 330 ---help--- 331 Enable support for the Freescale MPC512x built-in DMA engine. 332 333config MV_XOR 334 bool "Marvell XOR engine support" 335 depends on PLAT_ORION 336 select DMA_ENGINE 337 select DMA_ENGINE_RAID 338 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 339 ---help--- 340 Enable support for the Marvell XOR engine. 341 342config MXS_DMA 343 bool "MXS DMA support" 344 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q 345 select STMP_DEVICE 346 select DMA_ENGINE 347 help 348 Support the MXS DMA engine. This engine including APBH-DMA 349 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips. 350 351config MX3_IPU 352 bool "MX3x Image Processing Unit support" 353 depends on ARCH_MXC 354 select DMA_ENGINE 355 default y 356 help 357 If you plan to use the Image Processing unit in the i.MX3x, say 358 Y here. If unsure, select Y. 359 360config MX3_IPU_IRQS 361 int "Number of dynamically mapped interrupts for IPU" 362 depends on MX3_IPU 363 range 2 137 364 default 4 365 help 366 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 367 To avoid bloating the irq_desc[] array we allocate a sufficient 368 number of IRQ slots and map them dynamically to specific sources. 369 370config NBPFAXI_DMA 371 tristate "Renesas Type-AXI NBPF DMA support" 372 select DMA_ENGINE 373 depends on ARM || COMPILE_TEST 374 help 375 Support for "Type-AXI" NBPF DMA IPs from Renesas 376 377config PCH_DMA 378 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 379 depends on PCI && (X86_32 || COMPILE_TEST) 380 select DMA_ENGINE 381 help 382 Enable support for Intel EG20T PCH DMA engine. 383 384 This driver also can be used for LAPIS Semiconductor IOH(Input/ 385 Output Hub), ML7213, ML7223 and ML7831. 386 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 387 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 388 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 389 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 390 391config PL330_DMA 392 tristate "DMA API Driver for PL330" 393 select DMA_ENGINE 394 depends on ARM_AMBA 395 help 396 Select if your platform has one or more PL330 DMACs. 397 You need to provide platform specific settings via 398 platform_data for a dma-pl330 device. 399 400config PXA_DMA 401 bool "PXA DMA support" 402 depends on (ARCH_MMP || ARCH_PXA) 403 select DMA_ENGINE 404 select DMA_VIRTUAL_CHANNELS 405 help 406 Support the DMA engine for PXA. It is also compatible with MMP PDMA 407 platform. The internal DMA IP of all PXA variants is supported, with 408 16 to 32 channels for peripheral to memory or memory to memory 409 transfers. 410 411config QCOM_BAM_DMA 412 tristate "QCOM BAM DMA support" 413 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM) 414 select DMA_ENGINE 415 select DMA_VIRTUAL_CHANNELS 416 ---help--- 417 Enable support for the QCOM BAM DMA controller. This controller 418 provides DMA capabilities for a variety of on-chip devices. 419 420config SIRF_DMA 421 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 422 depends on ARCH_SIRF 423 select DMA_ENGINE 424 help 425 Enable support for the CSR SiRFprimaII DMA engine. 426 427config STE_DMA40 428 bool "ST-Ericsson DMA40 support" 429 depends on ARCH_U8500 430 select DMA_ENGINE 431 help 432 Support for ST-Ericsson DMA40 controller 433 434config S3C24XX_DMAC 435 tristate "Samsung S3C24XX DMA support" 436 depends on ARCH_S3C24XX 437 select DMA_ENGINE 438 select DMA_VIRTUAL_CHANNELS 439 help 440 Support for the Samsung S3C24XX DMA controller driver. The 441 DMA controller is having multiple DMA channels which can be 442 configured for different peripherals like audio, UART, SPI. 443 The DMA controller can transfer data from memory to peripheral, 444 periphal to memory, periphal to periphal and memory to memory. 445 446config TXX9_DMAC 447 tristate "Toshiba TXx9 SoC DMA support" 448 depends on MACH_TX49XX || MACH_TX39XX 449 select DMA_ENGINE 450 help 451 Support the TXx9 SoC internal DMA controller. This can be 452 integrated in chips such as the Toshiba TX4927/38/39. 453 454config TEGRA20_APB_DMA 455 bool "NVIDIA Tegra20 APB DMA support" 456 depends on ARCH_TEGRA 457 select DMA_ENGINE 458 help 459 Support for the NVIDIA Tegra20 APB DMA controller driver. The 460 DMA controller is having multiple DMA channel which can be 461 configured for different peripherals like audio, UART, SPI, 462 I2C etc which is in APB bus. 463 This DMA controller transfers data from memory to peripheral fifo 464 or vice versa. It does not support memory to memory data transfer. 465 466config TIMB_DMA 467 tristate "Timberdale FPGA DMA support" 468 depends on MFD_TIMBERDALE 469 select DMA_ENGINE 470 help 471 Enable support for the Timberdale FPGA DMA engine. 472 473config TI_CPPI41 474 tristate "AM33xx CPPI41 DMA support" 475 depends on ARCH_OMAP 476 select DMA_ENGINE 477 help 478 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 479 is currently used by the USB driver on AM335x platforms. 480 481config TI_DMA_CROSSBAR 482 bool 483 484config TI_EDMA 485 bool "TI EDMA support" 486 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE 487 select DMA_ENGINE 488 select DMA_VIRTUAL_CHANNELS 489 select TI_DMA_CROSSBAR if ARCH_OMAP 490 default n 491 help 492 Enable support for the TI EDMA controller. This DMA 493 engine is found on TI DaVinci and AM33xx parts. 494 495config XGENE_DMA 496 tristate "APM X-Gene DMA support" 497 depends on ARCH_XGENE || COMPILE_TEST 498 select DMA_ENGINE 499 select DMA_ENGINE_RAID 500 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 501 help 502 Enable support for the APM X-Gene SoC DMA engine. 503 504config XILINX_VDMA 505 tristate "Xilinx AXI VDMA Engine" 506 depends on (ARCH_ZYNQ || MICROBLAZE) 507 select DMA_ENGINE 508 help 509 Enable support for Xilinx AXI VDMA Soft IP. 510 511 This engine provides high-bandwidth direct memory access 512 between memory and AXI4-Stream video type target 513 peripherals including peripherals which support AXI4- 514 Stream Video Protocol. It has two stream interfaces/ 515 channels, Memory Mapped to Stream (MM2S) and Stream to 516 Memory Mapped (S2MM) for the data transfers. 517 518config ZX_DMA 519 tristate "ZTE ZX296702 DMA support" 520 depends on ARCH_ZX 521 select DMA_ENGINE 522 select DMA_VIRTUAL_CHANNELS 523 help 524 Support the DMA engine for ZTE ZX296702 platform devices. 525 526 527# driver files 528source "drivers/dma/bestcomm/Kconfig" 529 530source "drivers/dma/dw/Kconfig" 531 532source "drivers/dma/hsu/Kconfig" 533 534source "drivers/dma/sh/Kconfig" 535 536# clients 537comment "DMA Clients" 538 depends on DMA_ENGINE 539 540config ASYNC_TX_DMA 541 bool "Async_tx: Offload support for the async_tx api" 542 depends on DMA_ENGINE 543 help 544 This allows the async_tx api to take advantage of offload engines for 545 memcpy, memset, xor, and raid6 p+q operations. If your platform has 546 a dma engine that can perform raid operations and you have enabled 547 MD_RAID456 say Y. 548 549 If unsure, say N. 550 551config DMATEST 552 tristate "DMA Test client" 553 depends on DMA_ENGINE 554 help 555 Simple DMA test client. Say N unless you're debugging a 556 DMA Device driver. 557 558config DMA_ENGINE_RAID 559 bool 560 561endif 562