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 || COMPILE_TEST 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 || COMPILE_TEST 118 select DMA_ENGINE 119 select DMA_VIRTUAL_CHANNELS 120 121config DMA_JZ4780 122 tristate "JZ4780 DMA support" 123 depends on MACH_JZ4780 || COMPILE_TEST 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 || COMPILE_TEST 134 select DMA_ENGINE 135 select DMA_VIRTUAL_CHANNELS 136 select TI_DMA_CROSSBAR if (SOC_DRA7XX || COMPILE_TEST) 137 138config DMA_SA11X0 139 tristate "SA-11x0 DMA support" 140 depends on ARCH_SA1100 || COMPILE_TEST 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_VIRTUAL_CHANNELS 154 help 155 Enable support for the DMA controller present in the sun4i, 156 sun5i and sun7i Allwinner ARM SoCs. 157 158config DMA_SUN6I 159 tristate "Allwinner A31 SoCs DMA support" 160 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST 161 depends on RESET_CONTROLLER 162 select DMA_ENGINE 163 select DMA_VIRTUAL_CHANNELS 164 help 165 Support for the DMA engine first found in Allwinner A31 SoCs. 166 167config EP93XX_DMA 168 bool "Cirrus Logic EP93xx DMA support" 169 depends on ARCH_EP93XX || COMPILE_TEST 170 select DMA_ENGINE 171 help 172 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 173 174config FSL_DMA 175 tristate "Freescale Elo series DMA support" 176 depends on FSL_SOC 177 select DMA_ENGINE 178 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 179 ---help--- 180 Enable support for the Freescale Elo series DMA controllers. 181 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 182 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 183 some Txxx and Bxxx parts. 184 185config FSL_EDMA 186 tristate "Freescale eDMA engine support" 187 depends on OF 188 select DMA_ENGINE 189 select DMA_VIRTUAL_CHANNELS 190 help 191 Support the Freescale eDMA engine with programmable channel 192 multiplexing capability for DMA request sources(slot). 193 This module can be found on Freescale Vybrid and LS-1 SoCs. 194 195config FSL_RAID 196 tristate "Freescale RAID engine Support" 197 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 198 select DMA_ENGINE 199 select DMA_ENGINE_RAID 200 ---help--- 201 Enable support for Freescale RAID Engine. RAID Engine is 202 available on some QorIQ SoCs (like P5020/P5040). It has 203 the capability to offload memcpy, xor and pq computation 204 for raid5/6. 205 206config IMG_MDC_DMA 207 tristate "IMG MDC support" 208 depends on MIPS || COMPILE_TEST 209 depends on MFD_SYSCON 210 select DMA_ENGINE 211 select DMA_VIRTUAL_CHANNELS 212 help 213 Enable support for the IMG multi-threaded DMA controller (MDC). 214 215config IMX_DMA 216 tristate "i.MX DMA support" 217 depends on ARCH_MXC 218 select DMA_ENGINE 219 help 220 Support the i.MX DMA engine. This engine is integrated into 221 Freescale i.MX1/21/27 chips. 222 223config IMX_SDMA 224 tristate "i.MX SDMA support" 225 depends on ARCH_MXC 226 select DMA_ENGINE 227 help 228 Support the i.MX SDMA engine. This engine is integrated into 229 Freescale i.MX25/31/35/51/53/6 chips. 230 231config INTEL_IDMA64 232 tristate "Intel integrated DMA 64-bit support" 233 select DMA_ENGINE 234 select DMA_VIRTUAL_CHANNELS 235 help 236 Enable DMA support for Intel Low Power Subsystem such as found on 237 Intel Skylake PCH. 238 239config INTEL_IOATDMA 240 tristate "Intel I/OAT DMA support" 241 depends on PCI && X86_64 242 select DMA_ENGINE 243 select DMA_ENGINE_RAID 244 select DCA 245 help 246 Enable support for the Intel(R) I/OAT DMA engine present 247 in recent Intel Xeon chipsets. 248 249 Say Y here if you have such a chipset. 250 251 If unsure, say N. 252 253config INTEL_IOP_ADMA 254 tristate "Intel IOP ADMA support" 255 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 256 select DMA_ENGINE 257 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 258 help 259 Enable support for the Intel(R) IOP Series RAID engines. 260 261config INTEL_MIC_X100_DMA 262 tristate "Intel MIC X100 DMA Driver" 263 depends on 64BIT && X86 && INTEL_MIC_BUS 264 select DMA_ENGINE 265 help 266 This enables DMA support for the Intel Many Integrated Core 267 (MIC) family of PCIe form factor coprocessor X100 devices that 268 run a 64 bit Linux OS. This driver will be used by both MIC 269 host and card drivers. 270 271 If you are building host kernel with a MIC device or a card 272 kernel for a MIC device, then say M (recommended) or Y, else 273 say N. If unsure say N. 274 275 More information about the Intel MIC family as well as the Linux 276 OS and tools for MIC to use with this driver are available from 277 <http://software.intel.com/en-us/mic-developer>. 278 279config K3_DMA 280 tristate "Hisilicon K3 DMA support" 281 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 282 select DMA_ENGINE 283 select DMA_VIRTUAL_CHANNELS 284 help 285 Support the DMA engine for Hisilicon K3 platform 286 devices. 287 288config LPC18XX_DMAMUX 289 bool "NXP LPC18xx/43xx DMA MUX for PL080" 290 depends on ARCH_LPC18XX || COMPILE_TEST 291 depends on OF && AMBA_PL08X 292 select MFD_SYSCON 293 help 294 Enable support for DMA on NXP LPC18xx/43xx platforms 295 with PL080 and multiplexed DMA request lines. 296 297config MMP_PDMA 298 bool "MMP PDMA support" 299 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 300 select DMA_ENGINE 301 help 302 Support the MMP PDMA engine for PXA and MMP platform. 303 304config MMP_TDMA 305 bool "MMP Two-Channel DMA support" 306 depends on ARCH_MMP || COMPILE_TEST 307 select DMA_ENGINE 308 select MMP_SRAM if ARCH_MMP 309 help 310 Support the MMP Two-Channel DMA engine. 311 This engine used for MMP Audio DMA and pxa910 SQU. 312 It needs sram driver under mach-mmp. 313 314config MOXART_DMA 315 tristate "MOXART DMA support" 316 depends on ARCH_MOXART 317 select DMA_ENGINE 318 select DMA_VIRTUAL_CHANNELS 319 help 320 Enable support for the MOXA ART SoC DMA controller. 321 322 Say Y here if you enabled MMP ADMA, otherwise say N. 323 324config MPC512X_DMA 325 tristate "Freescale MPC512x built-in DMA engine support" 326 depends on PPC_MPC512x || PPC_MPC831x 327 select DMA_ENGINE 328 ---help--- 329 Enable support for the Freescale MPC512x built-in DMA engine. 330 331config MV_XOR 332 bool "Marvell XOR engine support" 333 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 334 select DMA_ENGINE 335 select DMA_ENGINE_RAID 336 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 337 ---help--- 338 Enable support for the Marvell XOR engine. 339 340config MV_XOR_V2 341 bool "Marvell XOR engine version 2 support " 342 depends on ARM64 343 select DMA_ENGINE 344 select DMA_ENGINE_RAID 345 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 346 select GENERIC_MSI_IRQ_DOMAIN 347 ---help--- 348 Enable support for the Marvell version 2 XOR engine. 349 350 This engine provides acceleration for copy, XOR and RAID6 351 operations, and is available on Marvell Armada 7K and 8K 352 platforms. 353 354config MXS_DMA 355 bool "MXS DMA support" 356 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL 357 select STMP_DEVICE 358 select DMA_ENGINE 359 help 360 Support the MXS DMA engine. This engine including APBH-DMA 361 and APBX-DMA is integrated into Freescale 362 i.MX23/28/MX6Q/MX6DL/MX6UL chips. 363 364config MX3_IPU 365 bool "MX3x Image Processing Unit support" 366 depends on ARCH_MXC 367 select DMA_ENGINE 368 default y 369 help 370 If you plan to use the Image Processing unit in the i.MX3x, say 371 Y here. If unsure, select Y. 372 373config MX3_IPU_IRQS 374 int "Number of dynamically mapped interrupts for IPU" 375 depends on MX3_IPU 376 range 2 137 377 default 4 378 help 379 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 380 To avoid bloating the irq_desc[] array we allocate a sufficient 381 number of IRQ slots and map them dynamically to specific sources. 382 383config NBPFAXI_DMA 384 tristate "Renesas Type-AXI NBPF DMA support" 385 select DMA_ENGINE 386 depends on ARM || COMPILE_TEST 387 help 388 Support for "Type-AXI" NBPF DMA IPs from Renesas 389 390config PCH_DMA 391 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 392 depends on PCI && (X86_32 || COMPILE_TEST) 393 select DMA_ENGINE 394 help 395 Enable support for Intel EG20T PCH DMA engine. 396 397 This driver also can be used for LAPIS Semiconductor IOH(Input/ 398 Output Hub), ML7213, ML7223 and ML7831. 399 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 400 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 401 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 402 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 403 404config PL330_DMA 405 tristate "DMA API Driver for PL330" 406 select DMA_ENGINE 407 depends on ARM_AMBA 408 help 409 Select if your platform has one or more PL330 DMACs. 410 You need to provide platform specific settings via 411 platform_data for a dma-pl330 device. 412 413config PXA_DMA 414 bool "PXA DMA support" 415 depends on (ARCH_MMP || ARCH_PXA) 416 select DMA_ENGINE 417 select DMA_VIRTUAL_CHANNELS 418 help 419 Support the DMA engine for PXA. It is also compatible with MMP PDMA 420 platform. The internal DMA IP of all PXA variants is supported, with 421 16 to 32 channels for peripheral to memory or memory to memory 422 transfers. 423 424config SIRF_DMA 425 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 426 depends on ARCH_SIRF 427 select DMA_ENGINE 428 help 429 Enable support for the CSR SiRFprimaII DMA engine. 430 431config STE_DMA40 432 bool "ST-Ericsson DMA40 support" 433 depends on ARCH_U8500 434 select DMA_ENGINE 435 help 436 Support for ST-Ericsson DMA40 controller 437 438config STM32_DMA 439 bool "STMicroelectronics STM32 DMA support" 440 depends on ARCH_STM32 || COMPILE_TEST 441 select DMA_ENGINE 442 select DMA_VIRTUAL_CHANNELS 443 help 444 Enable support for the on-chip DMA controller on STMicroelectronics 445 STM32 MCUs. 446 If you have a board based on such a MCU and wish to use DMA say Y or M 447 here. 448 449config S3C24XX_DMAC 450 bool "Samsung S3C24XX DMA support" 451 depends on ARCH_S3C24XX || COMPILE_TEST 452 select DMA_ENGINE 453 select DMA_VIRTUAL_CHANNELS 454 help 455 Support for the Samsung S3C24XX DMA controller driver. The 456 DMA controller is having multiple DMA channels which can be 457 configured for different peripherals like audio, UART, SPI. 458 The DMA controller can transfer data from memory to peripheral, 459 periphal to memory, periphal to periphal and memory to memory. 460 461config TXX9_DMAC 462 tristate "Toshiba TXx9 SoC DMA support" 463 depends on MACH_TX49XX || MACH_TX39XX 464 select DMA_ENGINE 465 help 466 Support the TXx9 SoC internal DMA controller. This can be 467 integrated in chips such as the Toshiba TX4927/38/39. 468 469config TEGRA20_APB_DMA 470 bool "NVIDIA Tegra20 APB DMA support" 471 depends on ARCH_TEGRA 472 select DMA_ENGINE 473 help 474 Support for the NVIDIA Tegra20 APB DMA controller driver. The 475 DMA controller is having multiple DMA channel which can be 476 configured for different peripherals like audio, UART, SPI, 477 I2C etc which is in APB bus. 478 This DMA controller transfers data from memory to peripheral fifo 479 or vice versa. It does not support memory to memory data transfer. 480 481config TEGRA210_ADMA 482 bool "NVIDIA Tegra210 ADMA support" 483 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK 484 select DMA_ENGINE 485 select DMA_VIRTUAL_CHANNELS 486 help 487 Support for the NVIDIA Tegra210 ADMA controller driver. The 488 DMA controller has multiple DMA channels and is used to service 489 various audio clients in the Tegra210 audio processing engine 490 (APE). This DMA controller transfers data from memory to 491 peripheral and vice versa. It does not support memory to 492 memory data transfer. 493 494config TIMB_DMA 495 tristate "Timberdale FPGA DMA support" 496 depends on MFD_TIMBERDALE || COMPILE_TEST 497 select DMA_ENGINE 498 help 499 Enable support for the Timberdale FPGA DMA engine. 500 501config TI_CPPI41 502 tristate "AM33xx CPPI41 DMA support" 503 depends on ARCH_OMAP 504 select DMA_ENGINE 505 help 506 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 507 is currently used by the USB driver on AM335x platforms. 508 509config TI_DMA_CROSSBAR 510 bool 511 512config TI_EDMA 513 bool "TI EDMA support" 514 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST 515 select DMA_ENGINE 516 select DMA_VIRTUAL_CHANNELS 517 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST) 518 default n 519 help 520 Enable support for the TI EDMA controller. This DMA 521 engine is found on TI DaVinci and AM33xx parts. 522 523config XGENE_DMA 524 tristate "APM X-Gene DMA support" 525 depends on ARCH_XGENE || COMPILE_TEST 526 select DMA_ENGINE 527 select DMA_ENGINE_RAID 528 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 529 help 530 Enable support for the APM X-Gene SoC DMA engine. 531 532config XILINX_DMA 533 tristate "Xilinx AXI DMAS Engine" 534 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 535 select DMA_ENGINE 536 help 537 Enable support for Xilinx AXI VDMA Soft IP. 538 539 AXI VDMA engine provides high-bandwidth direct memory access 540 between memory and AXI4-Stream video type target 541 peripherals including peripherals which support AXI4- 542 Stream Video Protocol. It has two stream interfaces/ 543 channels, Memory Mapped to Stream (MM2S) and Stream to 544 Memory Mapped (S2MM) for the data transfers. 545 AXI CDMA engine provides high-bandwidth direct memory access 546 between a memory-mapped source address and a memory-mapped 547 destination address. 548 AXI DMA engine provides high-bandwidth one dimensional direct 549 memory access between memory and AXI4-Stream target peripherals. 550 551config XILINX_ZYNQMP_DMA 552 tristate "Xilinx ZynqMP DMA Engine" 553 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 554 select DMA_ENGINE 555 help 556 Enable support for Xilinx ZynqMP DMA controller. 557 558config ZX_DMA 559 tristate "ZTE ZX296702 DMA support" 560 depends on ARCH_ZX || COMPILE_TEST 561 select DMA_ENGINE 562 select DMA_VIRTUAL_CHANNELS 563 help 564 Support the DMA engine for ZTE ZX296702 platform devices. 565 566 567# driver files 568source "drivers/dma/bestcomm/Kconfig" 569 570source "drivers/dma/qcom/Kconfig" 571 572source "drivers/dma/dw/Kconfig" 573 574source "drivers/dma/hsu/Kconfig" 575 576source "drivers/dma/sh/Kconfig" 577 578# clients 579comment "DMA Clients" 580 depends on DMA_ENGINE 581 582config ASYNC_TX_DMA 583 bool "Async_tx: Offload support for the async_tx api" 584 depends on DMA_ENGINE 585 help 586 This allows the async_tx api to take advantage of offload engines for 587 memcpy, memset, xor, and raid6 p+q operations. If your platform has 588 a dma engine that can perform raid operations and you have enabled 589 MD_RAID456 say Y. 590 591 If unsure, say N. 592 593config DMATEST 594 tristate "DMA Test client" 595 depends on DMA_ENGINE 596 help 597 Simple DMA test client. Say N unless you're debugging a 598 DMA Device driver. 599 600config DMA_ENGINE_RAID 601 bool 602 603endif 604