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 || (ARM64 && ARCH_SUNXI) || 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 select GENERIC_ALLOCATOR 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_VIRTUAL_CHANNELS 320 help 321 Enable support for the MOXA ART SoC DMA controller. 322 323 Say Y here if you enabled MMP ADMA, otherwise say N. 324 325config MPC512X_DMA 326 tristate "Freescale MPC512x built-in DMA engine support" 327 depends on PPC_MPC512x || PPC_MPC831x 328 select DMA_ENGINE 329 ---help--- 330 Enable support for the Freescale MPC512x built-in DMA engine. 331 332config MV_XOR 333 bool "Marvell XOR engine support" 334 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 335 select DMA_ENGINE 336 select DMA_ENGINE_RAID 337 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 338 ---help--- 339 Enable support for the Marvell XOR engine. 340 341config MV_XOR_V2 342 bool "Marvell XOR engine version 2 support " 343 depends on ARM64 344 select DMA_ENGINE 345 select DMA_ENGINE_RAID 346 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 347 select GENERIC_MSI_IRQ_DOMAIN 348 ---help--- 349 Enable support for the Marvell version 2 XOR engine. 350 351 This engine provides acceleration for copy, XOR and RAID6 352 operations, and is available on Marvell Armada 7K and 8K 353 platforms. 354 355config MXS_DMA 356 bool "MXS DMA support" 357 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL 358 select STMP_DEVICE 359 select DMA_ENGINE 360 help 361 Support the MXS DMA engine. This engine including APBH-DMA 362 and APBX-DMA is integrated into Freescale 363 i.MX23/28/MX6Q/MX6DL/MX6UL chips. 364 365config MX3_IPU 366 bool "MX3x Image Processing Unit support" 367 depends on ARCH_MXC 368 select DMA_ENGINE 369 default y 370 help 371 If you plan to use the Image Processing unit in the i.MX3x, say 372 Y here. If unsure, select Y. 373 374config MX3_IPU_IRQS 375 int "Number of dynamically mapped interrupts for IPU" 376 depends on MX3_IPU 377 range 2 137 378 default 4 379 help 380 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 381 To avoid bloating the irq_desc[] array we allocate a sufficient 382 number of IRQ slots and map them dynamically to specific sources. 383 384config NBPFAXI_DMA 385 tristate "Renesas Type-AXI NBPF DMA support" 386 select DMA_ENGINE 387 depends on ARM || COMPILE_TEST 388 help 389 Support for "Type-AXI" NBPF DMA IPs from Renesas 390 391config PCH_DMA 392 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 393 depends on PCI && (X86_32 || COMPILE_TEST) 394 select DMA_ENGINE 395 help 396 Enable support for Intel EG20T PCH DMA engine. 397 398 This driver also can be used for LAPIS Semiconductor IOH(Input/ 399 Output Hub), ML7213, ML7223 and ML7831. 400 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 401 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 402 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 403 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 404 405config PL330_DMA 406 tristate "DMA API Driver for PL330" 407 select DMA_ENGINE 408 depends on ARM_AMBA 409 help 410 Select if your platform has one or more PL330 DMACs. 411 You need to provide platform specific settings via 412 platform_data for a dma-pl330 device. 413 414config PXA_DMA 415 bool "PXA DMA support" 416 depends on (ARCH_MMP || ARCH_PXA) 417 select DMA_ENGINE 418 select DMA_VIRTUAL_CHANNELS 419 help 420 Support the DMA engine for PXA. It is also compatible with MMP PDMA 421 platform. The internal DMA IP of all PXA variants is supported, with 422 16 to 32 channels for peripheral to memory or memory to memory 423 transfers. 424 425config SIRF_DMA 426 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 427 depends on ARCH_SIRF 428 select DMA_ENGINE 429 help 430 Enable support for the CSR SiRFprimaII DMA engine. 431 432config STE_DMA40 433 bool "ST-Ericsson DMA40 support" 434 depends on ARCH_U8500 435 select DMA_ENGINE 436 help 437 Support for ST-Ericsson DMA40 controller 438 439config ST_FDMA 440 tristate "ST FDMA dmaengine support" 441 depends on ARCH_STI 442 depends on REMOTEPROC 443 select ST_SLIM_REMOTEPROC 444 select DMA_ENGINE 445 select DMA_VIRTUAL_CHANNELS 446 help 447 Enable support for ST FDMA controller. 448 It supports 16 independent DMA channels, accepts up to 32 DMA requests 449 450 Say Y here if you have such a chipset. 451 If unsure, say N. 452 453config STM32_DMA 454 bool "STMicroelectronics STM32 DMA support" 455 depends on ARCH_STM32 || COMPILE_TEST 456 select DMA_ENGINE 457 select DMA_VIRTUAL_CHANNELS 458 help 459 Enable support for the on-chip DMA controller on STMicroelectronics 460 STM32 MCUs. 461 If you have a board based on such a MCU and wish to use DMA say Y 462 here. 463 464config S3C24XX_DMAC 465 bool "Samsung S3C24XX DMA support" 466 depends on ARCH_S3C24XX || COMPILE_TEST 467 select DMA_ENGINE 468 select DMA_VIRTUAL_CHANNELS 469 help 470 Support for the Samsung S3C24XX DMA controller driver. The 471 DMA controller is having multiple DMA channels which can be 472 configured for different peripherals like audio, UART, SPI. 473 The DMA controller can transfer data from memory to peripheral, 474 periphal to memory, periphal to periphal and memory to memory. 475 476config TXX9_DMAC 477 tristate "Toshiba TXx9 SoC DMA support" 478 depends on MACH_TX49XX || MACH_TX39XX 479 select DMA_ENGINE 480 help 481 Support the TXx9 SoC internal DMA controller. This can be 482 integrated in chips such as the Toshiba TX4927/38/39. 483 484config TEGRA20_APB_DMA 485 bool "NVIDIA Tegra20 APB DMA support" 486 depends on ARCH_TEGRA 487 select DMA_ENGINE 488 help 489 Support for the NVIDIA Tegra20 APB DMA controller driver. The 490 DMA controller is having multiple DMA channel which can be 491 configured for different peripherals like audio, UART, SPI, 492 I2C etc which is in APB bus. 493 This DMA controller transfers data from memory to peripheral fifo 494 or vice versa. It does not support memory to memory data transfer. 495 496config TEGRA210_ADMA 497 tristate "NVIDIA Tegra210 ADMA support" 498 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK 499 select DMA_ENGINE 500 select DMA_VIRTUAL_CHANNELS 501 help 502 Support for the NVIDIA Tegra210 ADMA controller driver. The 503 DMA controller has multiple DMA channels and is used to service 504 various audio clients in the Tegra210 audio processing engine 505 (APE). This DMA controller transfers data from memory to 506 peripheral and vice versa. It does not support memory to 507 memory data transfer. 508 509config TIMB_DMA 510 tristate "Timberdale FPGA DMA support" 511 depends on MFD_TIMBERDALE || COMPILE_TEST 512 select DMA_ENGINE 513 help 514 Enable support for the Timberdale FPGA DMA engine. 515 516config TI_CPPI41 517 tristate "CPPI 4.1 DMA support" 518 depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX) 519 select DMA_ENGINE 520 help 521 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 522 is currently used by the USB driver on AM335x and DA8xx platforms. 523 524config TI_DMA_CROSSBAR 525 bool 526 527config TI_EDMA 528 bool "TI EDMA support" 529 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST 530 select DMA_ENGINE 531 select DMA_VIRTUAL_CHANNELS 532 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST) 533 default n 534 help 535 Enable support for the TI EDMA controller. This DMA 536 engine is found on TI DaVinci and AM33xx parts. 537 538config XGENE_DMA 539 tristate "APM X-Gene DMA support" 540 depends on ARCH_XGENE || COMPILE_TEST 541 select DMA_ENGINE 542 select DMA_ENGINE_RAID 543 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 544 help 545 Enable support for the APM X-Gene SoC DMA engine. 546 547config XILINX_DMA 548 tristate "Xilinx AXI DMAS Engine" 549 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 550 select DMA_ENGINE 551 help 552 Enable support for Xilinx AXI VDMA Soft IP. 553 554 AXI VDMA engine provides high-bandwidth direct memory access 555 between memory and AXI4-Stream video type target 556 peripherals including peripherals which support AXI4- 557 Stream Video Protocol. It has two stream interfaces/ 558 channels, Memory Mapped to Stream (MM2S) and Stream to 559 Memory Mapped (S2MM) for the data transfers. 560 AXI CDMA engine provides high-bandwidth direct memory access 561 between a memory-mapped source address and a memory-mapped 562 destination address. 563 AXI DMA engine provides high-bandwidth one dimensional direct 564 memory access between memory and AXI4-Stream target peripherals. 565 566config XILINX_ZYNQMP_DMA 567 tristate "Xilinx ZynqMP DMA Engine" 568 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 569 select DMA_ENGINE 570 help 571 Enable support for Xilinx ZynqMP DMA controller. 572 573config ZX_DMA 574 tristate "ZTE ZX DMA support" 575 depends on ARCH_ZX || COMPILE_TEST 576 select DMA_ENGINE 577 select DMA_VIRTUAL_CHANNELS 578 help 579 Support the DMA engine for ZTE ZX family platform devices. 580 581 582# driver files 583source "drivers/dma/bestcomm/Kconfig" 584 585source "drivers/dma/qcom/Kconfig" 586 587source "drivers/dma/dw/Kconfig" 588 589source "drivers/dma/hsu/Kconfig" 590 591source "drivers/dma/sh/Kconfig" 592 593# clients 594comment "DMA Clients" 595 depends on DMA_ENGINE 596 597config ASYNC_TX_DMA 598 bool "Async_tx: Offload support for the async_tx api" 599 depends on DMA_ENGINE 600 help 601 This allows the async_tx api to take advantage of offload engines for 602 memcpy, memset, xor, and raid6 p+q operations. If your platform has 603 a dma engine that can perform raid operations and you have enabled 604 MD_RAID456 say Y. 605 606 If unsure, say N. 607 608config DMATEST 609 tristate "DMA Test client" 610 depends on DMA_ENGINE 611 select DMA_ENGINE_RAID 612 help 613 Simple DMA test client. Say N unless you're debugging a 614 DMA Device driver. 615 616config DMA_ENGINE_RAID 617 bool 618 619endif 620