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 ALTERA_MSGDMA 60 tristate "Altera / Intel mSGDMA Engine" 61 select DMA_ENGINE 62 help 63 Enable support for Altera / Intel mSGDMA controller. 64 65config AMBA_PL08X 66 bool "ARM PrimeCell PL080 or PL081 support" 67 depends on ARM_AMBA 68 select DMA_ENGINE 69 select DMA_VIRTUAL_CHANNELS 70 help 71 Say yes if your platform has a PL08x DMAC device which can 72 provide DMA engine support. This includes the original ARM 73 PL080 and PL081, Samsungs PL080 derivative and Faraday 74 Technology's FTDMAC020 PL080 derivative. 75 76config AMCC_PPC440SPE_ADMA 77 tristate "AMCC PPC440SPe ADMA support" 78 depends on 440SPe || 440SP 79 select DMA_ENGINE 80 select DMA_ENGINE_RAID 81 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 82 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 83 help 84 Enable support for the AMCC PPC440SPe RAID engines. 85 86config AT_HDMAC 87 tristate "Atmel AHB DMA support" 88 depends on ARCH_AT91 89 select DMA_ENGINE 90 help 91 Support the Atmel AHB DMA controller. 92 93config AT_XDMAC 94 tristate "Atmel XDMA support" 95 depends on ARCH_AT91 96 select DMA_ENGINE 97 help 98 Support the Atmel XDMA controller. 99 100config AXI_DMAC 101 tristate "Analog Devices AXI-DMAC DMA support" 102 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST 103 select DMA_ENGINE 104 select DMA_VIRTUAL_CHANNELS 105 help 106 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 107 controller is often used in Analog Device's reference designs for FPGA 108 platforms. 109 110config BCM_SBA_RAID 111 tristate "Broadcom SBA RAID engine support" 112 depends on ARM64 || COMPILE_TEST 113 depends on MAILBOX && RAID6_PQ 114 select DMA_ENGINE 115 select DMA_ENGINE_RAID 116 select ASYNC_TX_DISABLE_XOR_VAL_DMA 117 select ASYNC_TX_DISABLE_PQ_VAL_DMA 118 default m if ARCH_BCM_IPROC 119 help 120 Enable support for Broadcom SBA RAID Engine. The SBA RAID 121 engine is available on most of the Broadcom iProc SoCs. It 122 has the capability to offload memcpy, xor and pq computation 123 for raid5/6. 124 125config COH901318 126 bool "ST-Ericsson COH901318 DMA support" 127 select DMA_ENGINE 128 depends on ARCH_U300 || COMPILE_TEST 129 help 130 Enable support for ST-Ericsson COH 901 318 DMA. 131 132config DMA_BCM2835 133 tristate "BCM2835 DMA engine support" 134 depends on ARCH_BCM2835 135 select DMA_ENGINE 136 select DMA_VIRTUAL_CHANNELS 137 138config DMA_JZ4740 139 tristate "JZ4740 DMA support" 140 depends on MACH_JZ4740 || COMPILE_TEST 141 select DMA_ENGINE 142 select DMA_VIRTUAL_CHANNELS 143 144config DMA_JZ4780 145 tristate "JZ4780 DMA support" 146 depends on MACH_JZ4780 || COMPILE_TEST 147 select DMA_ENGINE 148 select DMA_VIRTUAL_CHANNELS 149 help 150 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 151 If you have a board based on such a SoC and wish to use DMA for 152 devices which can use the DMA controller, say Y or M here. 153 154config DMA_SA11X0 155 tristate "SA-11x0 DMA support" 156 depends on ARCH_SA1100 || COMPILE_TEST 157 select DMA_ENGINE 158 select DMA_VIRTUAL_CHANNELS 159 help 160 Support the DMA engine found on Intel StrongARM SA-1100 and 161 SA-1110 SoCs. This DMA engine can only be used with on-chip 162 devices. 163 164config DMA_SUN4I 165 tristate "Allwinner A10 DMA SoCs support" 166 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 167 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 168 select DMA_ENGINE 169 select DMA_VIRTUAL_CHANNELS 170 help 171 Enable support for the DMA controller present in the sun4i, 172 sun5i and sun7i Allwinner ARM SoCs. 173 174config DMA_SUN6I 175 tristate "Allwinner A31 SoCs DMA support" 176 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 177 depends on RESET_CONTROLLER 178 select DMA_ENGINE 179 select DMA_VIRTUAL_CHANNELS 180 help 181 Support for the DMA engine first found in Allwinner A31 SoCs. 182 183config DW_AXI_DMAC 184 tristate "Synopsys DesignWare AXI DMA support" 185 depends on OF || COMPILE_TEST 186 select DMA_ENGINE 187 select DMA_VIRTUAL_CHANNELS 188 help 189 Enable support for Synopsys DesignWare AXI DMA controller. 190 NOTE: This driver wasn't tested on 64 bit platform because 191 of lack 64 bit platform with Synopsys DW AXI DMAC. 192 193config EP93XX_DMA 194 bool "Cirrus Logic EP93xx DMA support" 195 depends on ARCH_EP93XX || COMPILE_TEST 196 select DMA_ENGINE 197 help 198 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 199 200config FSL_DMA 201 tristate "Freescale Elo series DMA support" 202 depends on FSL_SOC 203 select DMA_ENGINE 204 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 205 ---help--- 206 Enable support for the Freescale Elo series DMA controllers. 207 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 208 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 209 some Txxx and Bxxx parts. 210 211config FSL_EDMA 212 tristate "Freescale eDMA engine support" 213 depends on OF 214 select DMA_ENGINE 215 select DMA_VIRTUAL_CHANNELS 216 help 217 Support the Freescale eDMA engine with programmable channel 218 multiplexing capability for DMA request sources(slot). 219 This module can be found on Freescale Vybrid and LS-1 SoCs. 220 221config FSL_RAID 222 tristate "Freescale RAID engine Support" 223 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 224 select DMA_ENGINE 225 select DMA_ENGINE_RAID 226 ---help--- 227 Enable support for Freescale RAID Engine. RAID Engine is 228 available on some QorIQ SoCs (like P5020/P5040). It has 229 the capability to offload memcpy, xor and pq computation 230 for raid5/6. 231 232config IMG_MDC_DMA 233 tristate "IMG MDC support" 234 depends on MIPS || COMPILE_TEST 235 depends on MFD_SYSCON 236 select DMA_ENGINE 237 select DMA_VIRTUAL_CHANNELS 238 help 239 Enable support for the IMG multi-threaded DMA controller (MDC). 240 241config IMX_DMA 242 tristate "i.MX DMA support" 243 depends on ARCH_MXC 244 select DMA_ENGINE 245 help 246 Support the i.MX DMA engine. This engine is integrated into 247 Freescale i.MX1/21/27 chips. 248 249config IMX_SDMA 250 tristate "i.MX SDMA support" 251 depends on ARCH_MXC 252 select DMA_ENGINE 253 help 254 Support the i.MX SDMA engine. This engine is integrated into 255 Freescale i.MX25/31/35/51/53/6 chips. 256 257config INTEL_IDMA64 258 tristate "Intel integrated DMA 64-bit support" 259 select DMA_ENGINE 260 select DMA_VIRTUAL_CHANNELS 261 help 262 Enable DMA support for Intel Low Power Subsystem such as found on 263 Intel Skylake PCH. 264 265config INTEL_IOATDMA 266 tristate "Intel I/OAT DMA support" 267 depends on PCI && X86_64 268 select DMA_ENGINE 269 select DMA_ENGINE_RAID 270 select DCA 271 help 272 Enable support for the Intel(R) I/OAT DMA engine present 273 in recent Intel Xeon chipsets. 274 275 Say Y here if you have such a chipset. 276 277 If unsure, say N. 278 279config INTEL_IOP_ADMA 280 tristate "Intel IOP ADMA support" 281 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 282 select DMA_ENGINE 283 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 284 help 285 Enable support for the Intel(R) IOP Series RAID engines. 286 287config INTEL_MIC_X100_DMA 288 tristate "Intel MIC X100 DMA Driver" 289 depends on 64BIT && X86 && INTEL_MIC_BUS 290 select DMA_ENGINE 291 help 292 This enables DMA support for the Intel Many Integrated Core 293 (MIC) family of PCIe form factor coprocessor X100 devices that 294 run a 64 bit Linux OS. This driver will be used by both MIC 295 host and card drivers. 296 297 If you are building host kernel with a MIC device or a card 298 kernel for a MIC device, then say M (recommended) or Y, else 299 say N. If unsure say N. 300 301 More information about the Intel MIC family as well as the Linux 302 OS and tools for MIC to use with this driver are available from 303 <http://software.intel.com/en-us/mic-developer>. 304 305config K3_DMA 306 tristate "Hisilicon K3 DMA support" 307 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 308 select DMA_ENGINE 309 select DMA_VIRTUAL_CHANNELS 310 help 311 Support the DMA engine for Hisilicon K3 platform 312 devices. 313 314config LPC18XX_DMAMUX 315 bool "NXP LPC18xx/43xx DMA MUX for PL080" 316 depends on ARCH_LPC18XX || COMPILE_TEST 317 depends on OF && AMBA_PL08X 318 select MFD_SYSCON 319 help 320 Enable support for DMA on NXP LPC18xx/43xx platforms 321 with PL080 and multiplexed DMA request lines. 322 323config MMP_PDMA 324 bool "MMP PDMA support" 325 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 326 select DMA_ENGINE 327 help 328 Support the MMP PDMA engine for PXA and MMP platform. 329 330config MMP_TDMA 331 bool "MMP Two-Channel DMA support" 332 depends on ARCH_MMP || COMPILE_TEST 333 select DMA_ENGINE 334 select MMP_SRAM if ARCH_MMP 335 select GENERIC_ALLOCATOR 336 help 337 Support the MMP Two-Channel DMA engine. 338 This engine used for MMP Audio DMA and pxa910 SQU. 339 It needs sram driver under mach-mmp. 340 341config MOXART_DMA 342 tristate "MOXART DMA support" 343 depends on ARCH_MOXART 344 select DMA_ENGINE 345 select DMA_VIRTUAL_CHANNELS 346 help 347 Enable support for the MOXA ART SoC DMA controller. 348 349 Say Y here if you enabled MMP ADMA, otherwise say N. 350 351config MPC512X_DMA 352 tristate "Freescale MPC512x built-in DMA engine support" 353 depends on PPC_MPC512x || PPC_MPC831x 354 select DMA_ENGINE 355 ---help--- 356 Enable support for the Freescale MPC512x built-in DMA engine. 357 358config MV_XOR 359 bool "Marvell XOR engine support" 360 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 361 select DMA_ENGINE 362 select DMA_ENGINE_RAID 363 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 364 ---help--- 365 Enable support for the Marvell XOR engine. 366 367config MV_XOR_V2 368 bool "Marvell XOR engine version 2 support " 369 depends on ARM64 370 select DMA_ENGINE 371 select DMA_ENGINE_RAID 372 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 373 select GENERIC_MSI_IRQ_DOMAIN 374 ---help--- 375 Enable support for the Marvell version 2 XOR engine. 376 377 This engine provides acceleration for copy, XOR and RAID6 378 operations, and is available on Marvell Armada 7K and 8K 379 platforms. 380 381config MXS_DMA 382 bool "MXS DMA support" 383 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 384 select STMP_DEVICE 385 select DMA_ENGINE 386 help 387 Support the MXS DMA engine. This engine including APBH-DMA 388 and APBX-DMA is integrated into some Freescale chips. 389 390config MX3_IPU 391 bool "MX3x Image Processing Unit support" 392 depends on ARCH_MXC 393 select DMA_ENGINE 394 default y 395 help 396 If you plan to use the Image Processing unit in the i.MX3x, say 397 Y here. If unsure, select Y. 398 399config MX3_IPU_IRQS 400 int "Number of dynamically mapped interrupts for IPU" 401 depends on MX3_IPU 402 range 2 137 403 default 4 404 help 405 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 406 To avoid bloating the irq_desc[] array we allocate a sufficient 407 number of IRQ slots and map them dynamically to specific sources. 408 409config NBPFAXI_DMA 410 tristate "Renesas Type-AXI NBPF DMA support" 411 select DMA_ENGINE 412 depends on ARM || COMPILE_TEST 413 help 414 Support for "Type-AXI" NBPF DMA IPs from Renesas 415 416config PCH_DMA 417 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 418 depends on PCI && (X86_32 || COMPILE_TEST) 419 select DMA_ENGINE 420 help 421 Enable support for Intel EG20T PCH DMA engine. 422 423 This driver also can be used for LAPIS Semiconductor IOH(Input/ 424 Output Hub), ML7213, ML7223 and ML7831. 425 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 426 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 427 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 428 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 429 430config PL330_DMA 431 tristate "DMA API Driver for PL330" 432 select DMA_ENGINE 433 depends on ARM_AMBA 434 help 435 Select if your platform has one or more PL330 DMACs. 436 You need to provide platform specific settings via 437 platform_data for a dma-pl330 device. 438 439config PXA_DMA 440 bool "PXA DMA support" 441 depends on (ARCH_MMP || ARCH_PXA) 442 select DMA_ENGINE 443 select DMA_VIRTUAL_CHANNELS 444 help 445 Support the DMA engine for PXA. It is also compatible with MMP PDMA 446 platform. The internal DMA IP of all PXA variants is supported, with 447 16 to 32 channels for peripheral to memory or memory to memory 448 transfers. 449 450config SIRF_DMA 451 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 452 depends on ARCH_SIRF 453 select DMA_ENGINE 454 help 455 Enable support for the CSR SiRFprimaII DMA engine. 456 457config STE_DMA40 458 bool "ST-Ericsson DMA40 support" 459 depends on ARCH_U8500 460 select DMA_ENGINE 461 help 462 Support for ST-Ericsson DMA40 controller 463 464config ST_FDMA 465 tristate "ST FDMA dmaengine support" 466 depends on ARCH_STI 467 depends on REMOTEPROC 468 select ST_SLIM_REMOTEPROC 469 select DMA_ENGINE 470 select DMA_VIRTUAL_CHANNELS 471 help 472 Enable support for ST FDMA controller. 473 It supports 16 independent DMA channels, accepts up to 32 DMA requests 474 475 Say Y here if you have such a chipset. 476 If unsure, say N. 477 478config STM32_DMA 479 bool "STMicroelectronics STM32 DMA support" 480 depends on ARCH_STM32 || COMPILE_TEST 481 select DMA_ENGINE 482 select DMA_VIRTUAL_CHANNELS 483 help 484 Enable support for the on-chip DMA controller on STMicroelectronics 485 STM32 MCUs. 486 If you have a board based on such a MCU and wish to use DMA say Y 487 here. 488 489config STM32_DMAMUX 490 bool "STMicroelectronics STM32 dma multiplexer support" 491 depends on STM32_DMA || COMPILE_TEST 492 help 493 Enable support for the on-chip DMA multiplexer on STMicroelectronics 494 STM32 MCUs. 495 If you have a board based on such a MCU and wish to use DMAMUX say Y 496 here. 497 498config STM32_MDMA 499 bool "STMicroelectronics STM32 master dma support" 500 depends on ARCH_STM32 || COMPILE_TEST 501 depends on OF 502 select DMA_ENGINE 503 select DMA_VIRTUAL_CHANNELS 504 help 505 Enable support for the on-chip MDMA controller on STMicroelectronics 506 STM32 platforms. 507 If you have a board based on STM32 SoC and wish to use the master DMA 508 say Y here. 509 510config SPRD_DMA 511 tristate "Spreadtrum DMA support" 512 depends on ARCH_SPRD || COMPILE_TEST 513 select DMA_ENGINE 514 select DMA_VIRTUAL_CHANNELS 515 help 516 Enable support for the on-chip DMA controller on Spreadtrum platform. 517 518config S3C24XX_DMAC 519 bool "Samsung S3C24XX DMA support" 520 depends on ARCH_S3C24XX || COMPILE_TEST 521 select DMA_ENGINE 522 select DMA_VIRTUAL_CHANNELS 523 help 524 Support for the Samsung S3C24XX DMA controller driver. The 525 DMA controller is having multiple DMA channels which can be 526 configured for different peripherals like audio, UART, SPI. 527 The DMA controller can transfer data from memory to peripheral, 528 periphal to memory, periphal to periphal and memory to memory. 529 530config TXX9_DMAC 531 tristate "Toshiba TXx9 SoC DMA support" 532 depends on MACH_TX49XX || MACH_TX39XX 533 select DMA_ENGINE 534 help 535 Support the TXx9 SoC internal DMA controller. This can be 536 integrated in chips such as the Toshiba TX4927/38/39. 537 538config TEGRA20_APB_DMA 539 bool "NVIDIA Tegra20 APB DMA support" 540 depends on ARCH_TEGRA 541 select DMA_ENGINE 542 help 543 Support for the NVIDIA Tegra20 APB DMA controller driver. The 544 DMA controller is having multiple DMA channel which can be 545 configured for different peripherals like audio, UART, SPI, 546 I2C etc which is in APB bus. 547 This DMA controller transfers data from memory to peripheral fifo 548 or vice versa. It does not support memory to memory data transfer. 549 550config TEGRA210_ADMA 551 tristate "NVIDIA Tegra210 ADMA support" 552 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK 553 select DMA_ENGINE 554 select DMA_VIRTUAL_CHANNELS 555 help 556 Support for the NVIDIA Tegra210 ADMA controller driver. The 557 DMA controller has multiple DMA channels and is used to service 558 various audio clients in the Tegra210 audio processing engine 559 (APE). This DMA controller transfers data from memory to 560 peripheral and vice versa. It does not support memory to 561 memory data transfer. 562 563config TIMB_DMA 564 tristate "Timberdale FPGA DMA support" 565 depends on MFD_TIMBERDALE || COMPILE_TEST 566 select DMA_ENGINE 567 help 568 Enable support for the Timberdale FPGA DMA engine. 569 570config XGENE_DMA 571 tristate "APM X-Gene DMA support" 572 depends on ARCH_XGENE || COMPILE_TEST 573 select DMA_ENGINE 574 select DMA_ENGINE_RAID 575 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 576 help 577 Enable support for the APM X-Gene SoC DMA engine. 578 579config XILINX_DMA 580 tristate "Xilinx AXI DMAS Engine" 581 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 582 select DMA_ENGINE 583 help 584 Enable support for Xilinx AXI VDMA Soft IP. 585 586 AXI VDMA engine provides high-bandwidth direct memory access 587 between memory and AXI4-Stream video type target 588 peripherals including peripherals which support AXI4- 589 Stream Video Protocol. It has two stream interfaces/ 590 channels, Memory Mapped to Stream (MM2S) and Stream to 591 Memory Mapped (S2MM) for the data transfers. 592 AXI CDMA engine provides high-bandwidth direct memory access 593 between a memory-mapped source address and a memory-mapped 594 destination address. 595 AXI DMA engine provides high-bandwidth one dimensional direct 596 memory access between memory and AXI4-Stream target peripherals. 597 598config XILINX_ZYNQMP_DMA 599 tristate "Xilinx ZynqMP DMA Engine" 600 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 601 select DMA_ENGINE 602 help 603 Enable support for Xilinx ZynqMP DMA controller. 604 605config ZX_DMA 606 tristate "ZTE ZX DMA support" 607 depends on ARCH_ZX || COMPILE_TEST 608 select DMA_ENGINE 609 select DMA_VIRTUAL_CHANNELS 610 help 611 Support the DMA engine for ZTE ZX family platform devices. 612 613 614# driver files 615source "drivers/dma/bestcomm/Kconfig" 616 617source "drivers/dma/mediatek/Kconfig" 618 619source "drivers/dma/qcom/Kconfig" 620 621source "drivers/dma/dw/Kconfig" 622 623source "drivers/dma/hsu/Kconfig" 624 625source "drivers/dma/sh/Kconfig" 626 627source "drivers/dma/ti/Kconfig" 628 629# clients 630comment "DMA Clients" 631 depends on DMA_ENGINE 632 633config ASYNC_TX_DMA 634 bool "Async_tx: Offload support for the async_tx api" 635 depends on DMA_ENGINE 636 help 637 This allows the async_tx api to take advantage of offload engines for 638 memcpy, memset, xor, and raid6 p+q operations. If your platform has 639 a dma engine that can perform raid operations and you have enabled 640 MD_RAID456 say Y. 641 642 If unsure, say N. 643 644config DMATEST 645 tristate "DMA Test client" 646 depends on DMA_ENGINE 647 select DMA_ENGINE_RAID 648 help 649 Simple DMA test client. Say N unless you're debugging a 650 DMA Device driver. 651 652config DMA_ENGINE_RAID 653 bool 654 655endif 656