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 Say yes if your platform has a PL08x DMAC device which can 66 provide DMA engine support. This includes the original ARM 67 PL080 and PL081, Samsungs PL080 derivative and Faraday 68 Technology's FTDMAC020 PL080 derivative. 69 70config AMCC_PPC440SPE_ADMA 71 tristate "AMCC PPC440SPe ADMA support" 72 depends on 440SPe || 440SP 73 select DMA_ENGINE 74 select DMA_ENGINE_RAID 75 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 76 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 77 help 78 Enable support for the AMCC PPC440SPe RAID engines. 79 80config AT_HDMAC 81 tristate "Atmel AHB DMA support" 82 depends on ARCH_AT91 83 select DMA_ENGINE 84 help 85 Support the Atmel AHB DMA controller. 86 87config AT_XDMAC 88 tristate "Atmel XDMA support" 89 depends on ARCH_AT91 90 select DMA_ENGINE 91 help 92 Support the Atmel XDMA controller. 93 94config AXI_DMAC 95 tristate "Analog Devices AXI-DMAC DMA support" 96 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST 97 select DMA_ENGINE 98 select DMA_VIRTUAL_CHANNELS 99 help 100 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA 101 controller is often used in Analog Device's reference designs for FPGA 102 platforms. 103 104config BCM_SBA_RAID 105 tristate "Broadcom SBA RAID engine support" 106 depends on ARM64 || COMPILE_TEST 107 depends on MAILBOX && RAID6_PQ 108 select DMA_ENGINE 109 select DMA_ENGINE_RAID 110 select ASYNC_TX_DISABLE_XOR_VAL_DMA 111 select ASYNC_TX_DISABLE_PQ_VAL_DMA 112 default ARCH_BCM_IPROC 113 help 114 Enable support for Broadcom SBA RAID Engine. The SBA RAID 115 engine is available on most of the Broadcom iProc SoCs. It 116 has the capability to offload memcpy, xor and pq computation 117 for raid5/6. 118 119config COH901318 120 bool "ST-Ericsson COH901318 DMA support" 121 select DMA_ENGINE 122 depends on ARCH_U300 || COMPILE_TEST 123 help 124 Enable support for ST-Ericsson COH 901 318 DMA. 125 126config DMA_BCM2835 127 tristate "BCM2835 DMA engine support" 128 depends on ARCH_BCM2835 129 select DMA_ENGINE 130 select DMA_VIRTUAL_CHANNELS 131 132config DMA_JZ4740 133 tristate "JZ4740 DMA support" 134 depends on MACH_JZ4740 || COMPILE_TEST 135 select DMA_ENGINE 136 select DMA_VIRTUAL_CHANNELS 137 138config DMA_JZ4780 139 tristate "JZ4780 DMA support" 140 depends on MACH_JZ4780 || COMPILE_TEST 141 select DMA_ENGINE 142 select DMA_VIRTUAL_CHANNELS 143 help 144 This selects support for the DMA controller in Ingenic JZ4780 SoCs. 145 If you have a board based on such a SoC and wish to use DMA for 146 devices which can use the DMA controller, say Y or M here. 147 148config DMA_OMAP 149 tristate "OMAP DMA support" 150 depends on ARCH_OMAP || COMPILE_TEST 151 select DMA_ENGINE 152 select DMA_VIRTUAL_CHANNELS 153 select TI_DMA_CROSSBAR if (SOC_DRA7XX || COMPILE_TEST) 154 155config DMA_SA11X0 156 tristate "SA-11x0 DMA support" 157 depends on ARCH_SA1100 || COMPILE_TEST 158 select DMA_ENGINE 159 select DMA_VIRTUAL_CHANNELS 160 help 161 Support the DMA engine found on Intel StrongARM SA-1100 and 162 SA-1110 SoCs. This DMA engine can only be used with on-chip 163 devices. 164 165config DMA_SUN4I 166 tristate "Allwinner A10 DMA SoCs support" 167 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I 168 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I) 169 select DMA_ENGINE 170 select DMA_VIRTUAL_CHANNELS 171 help 172 Enable support for the DMA controller present in the sun4i, 173 sun5i and sun7i Allwinner ARM SoCs. 174 175config DMA_SUN6I 176 tristate "Allwinner A31 SoCs DMA support" 177 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST 178 depends on RESET_CONTROLLER 179 select DMA_ENGINE 180 select DMA_VIRTUAL_CHANNELS 181 help 182 Support for the DMA engine first found in Allwinner A31 SoCs. 183 184config EP93XX_DMA 185 bool "Cirrus Logic EP93xx DMA support" 186 depends on ARCH_EP93XX || COMPILE_TEST 187 select DMA_ENGINE 188 help 189 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 190 191config FSL_DMA 192 tristate "Freescale Elo series DMA support" 193 depends on FSL_SOC 194 select DMA_ENGINE 195 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 196 ---help--- 197 Enable support for the Freescale Elo series DMA controllers. 198 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the 199 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on 200 some Txxx and Bxxx parts. 201 202config FSL_EDMA 203 tristate "Freescale eDMA engine support" 204 depends on OF 205 select DMA_ENGINE 206 select DMA_VIRTUAL_CHANNELS 207 help 208 Support the Freescale eDMA engine with programmable channel 209 multiplexing capability for DMA request sources(slot). 210 This module can be found on Freescale Vybrid and LS-1 SoCs. 211 212config FSL_RAID 213 tristate "Freescale RAID engine Support" 214 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH 215 select DMA_ENGINE 216 select DMA_ENGINE_RAID 217 ---help--- 218 Enable support for Freescale RAID Engine. RAID Engine is 219 available on some QorIQ SoCs (like P5020/P5040). It has 220 the capability to offload memcpy, xor and pq computation 221 for raid5/6. 222 223config IMG_MDC_DMA 224 tristate "IMG MDC support" 225 depends on MIPS || COMPILE_TEST 226 depends on MFD_SYSCON 227 select DMA_ENGINE 228 select DMA_VIRTUAL_CHANNELS 229 help 230 Enable support for the IMG multi-threaded DMA controller (MDC). 231 232config IMX_DMA 233 tristate "i.MX DMA support" 234 depends on ARCH_MXC 235 select DMA_ENGINE 236 help 237 Support the i.MX DMA engine. This engine is integrated into 238 Freescale i.MX1/21/27 chips. 239 240config IMX_SDMA 241 tristate "i.MX SDMA support" 242 depends on ARCH_MXC 243 select DMA_ENGINE 244 help 245 Support the i.MX SDMA engine. This engine is integrated into 246 Freescale i.MX25/31/35/51/53/6 chips. 247 248config INTEL_IDMA64 249 tristate "Intel integrated DMA 64-bit support" 250 select DMA_ENGINE 251 select DMA_VIRTUAL_CHANNELS 252 help 253 Enable DMA support for Intel Low Power Subsystem such as found on 254 Intel Skylake PCH. 255 256config INTEL_IOATDMA 257 tristate "Intel I/OAT DMA support" 258 depends on PCI && X86_64 259 select DMA_ENGINE 260 select DMA_ENGINE_RAID 261 select DCA 262 help 263 Enable support for the Intel(R) I/OAT DMA engine present 264 in recent Intel Xeon chipsets. 265 266 Say Y here if you have such a chipset. 267 268 If unsure, say N. 269 270config INTEL_IOP_ADMA 271 tristate "Intel IOP ADMA support" 272 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 273 select DMA_ENGINE 274 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 275 help 276 Enable support for the Intel(R) IOP Series RAID engines. 277 278config INTEL_MIC_X100_DMA 279 tristate "Intel MIC X100 DMA Driver" 280 depends on 64BIT && X86 && INTEL_MIC_BUS 281 select DMA_ENGINE 282 help 283 This enables DMA support for the Intel Many Integrated Core 284 (MIC) family of PCIe form factor coprocessor X100 devices that 285 run a 64 bit Linux OS. This driver will be used by both MIC 286 host and card drivers. 287 288 If you are building host kernel with a MIC device or a card 289 kernel for a MIC device, then say M (recommended) or Y, else 290 say N. If unsure say N. 291 292 More information about the Intel MIC family as well as the Linux 293 OS and tools for MIC to use with this driver are available from 294 <http://software.intel.com/en-us/mic-developer>. 295 296config K3_DMA 297 tristate "Hisilicon K3 DMA support" 298 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST 299 select DMA_ENGINE 300 select DMA_VIRTUAL_CHANNELS 301 help 302 Support the DMA engine for Hisilicon K3 platform 303 devices. 304 305config LPC18XX_DMAMUX 306 bool "NXP LPC18xx/43xx DMA MUX for PL080" 307 depends on ARCH_LPC18XX || COMPILE_TEST 308 depends on OF && AMBA_PL08X 309 select MFD_SYSCON 310 help 311 Enable support for DMA on NXP LPC18xx/43xx platforms 312 with PL080 and multiplexed DMA request lines. 313 314config MMP_PDMA 315 bool "MMP PDMA support" 316 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST 317 select DMA_ENGINE 318 help 319 Support the MMP PDMA engine for PXA and MMP platform. 320 321config MMP_TDMA 322 bool "MMP Two-Channel DMA support" 323 depends on ARCH_MMP || COMPILE_TEST 324 select DMA_ENGINE 325 select MMP_SRAM if ARCH_MMP 326 select GENERIC_ALLOCATOR 327 help 328 Support the MMP Two-Channel DMA engine. 329 This engine used for MMP Audio DMA and pxa910 SQU. 330 It needs sram driver under mach-mmp. 331 332config MOXART_DMA 333 tristate "MOXART DMA support" 334 depends on ARCH_MOXART 335 select DMA_ENGINE 336 select DMA_VIRTUAL_CHANNELS 337 help 338 Enable support for the MOXA ART SoC DMA controller. 339 340 Say Y here if you enabled MMP ADMA, otherwise say N. 341 342config MPC512X_DMA 343 tristate "Freescale MPC512x built-in DMA engine support" 344 depends on PPC_MPC512x || PPC_MPC831x 345 select DMA_ENGINE 346 ---help--- 347 Enable support for the Freescale MPC512x built-in DMA engine. 348 349config MV_XOR 350 bool "Marvell XOR engine support" 351 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST 352 select DMA_ENGINE 353 select DMA_ENGINE_RAID 354 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 355 ---help--- 356 Enable support for the Marvell XOR engine. 357 358config MV_XOR_V2 359 bool "Marvell XOR engine version 2 support " 360 depends on ARM64 361 select DMA_ENGINE 362 select DMA_ENGINE_RAID 363 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 364 select GENERIC_MSI_IRQ_DOMAIN 365 ---help--- 366 Enable support for the Marvell version 2 XOR engine. 367 368 This engine provides acceleration for copy, XOR and RAID6 369 operations, and is available on Marvell Armada 7K and 8K 370 platforms. 371 372config MXS_DMA 373 bool "MXS DMA support" 374 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST 375 select STMP_DEVICE 376 select DMA_ENGINE 377 help 378 Support the MXS DMA engine. This engine including APBH-DMA 379 and APBX-DMA is integrated into some Freescale chips. 380 381config MX3_IPU 382 bool "MX3x Image Processing Unit support" 383 depends on ARCH_MXC 384 select DMA_ENGINE 385 default y 386 help 387 If you plan to use the Image Processing unit in the i.MX3x, say 388 Y here. If unsure, select Y. 389 390config MX3_IPU_IRQS 391 int "Number of dynamically mapped interrupts for IPU" 392 depends on MX3_IPU 393 range 2 137 394 default 4 395 help 396 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 397 To avoid bloating the irq_desc[] array we allocate a sufficient 398 number of IRQ slots and map them dynamically to specific sources. 399 400config NBPFAXI_DMA 401 tristate "Renesas Type-AXI NBPF DMA support" 402 select DMA_ENGINE 403 depends on ARM || COMPILE_TEST 404 help 405 Support for "Type-AXI" NBPF DMA IPs from Renesas 406 407config PCH_DMA 408 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 409 depends on PCI && (X86_32 || COMPILE_TEST) 410 select DMA_ENGINE 411 help 412 Enable support for Intel EG20T PCH DMA engine. 413 414 This driver also can be used for LAPIS Semiconductor IOH(Input/ 415 Output Hub), ML7213, ML7223 and ML7831. 416 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 417 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 418 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 419 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 420 421config PL330_DMA 422 tristate "DMA API Driver for PL330" 423 select DMA_ENGINE 424 depends on ARM_AMBA 425 help 426 Select if your platform has one or more PL330 DMACs. 427 You need to provide platform specific settings via 428 platform_data for a dma-pl330 device. 429 430config PXA_DMA 431 bool "PXA DMA support" 432 depends on (ARCH_MMP || ARCH_PXA) 433 select DMA_ENGINE 434 select DMA_VIRTUAL_CHANNELS 435 help 436 Support the DMA engine for PXA. It is also compatible with MMP PDMA 437 platform. The internal DMA IP of all PXA variants is supported, with 438 16 to 32 channels for peripheral to memory or memory to memory 439 transfers. 440 441config SIRF_DMA 442 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 443 depends on ARCH_SIRF 444 select DMA_ENGINE 445 help 446 Enable support for the CSR SiRFprimaII DMA engine. 447 448config STE_DMA40 449 bool "ST-Ericsson DMA40 support" 450 depends on ARCH_U8500 451 select DMA_ENGINE 452 help 453 Support for ST-Ericsson DMA40 controller 454 455config ST_FDMA 456 tristate "ST FDMA dmaengine support" 457 depends on ARCH_STI 458 depends on REMOTEPROC 459 select ST_SLIM_REMOTEPROC 460 select DMA_ENGINE 461 select DMA_VIRTUAL_CHANNELS 462 help 463 Enable support for ST FDMA controller. 464 It supports 16 independent DMA channels, accepts up to 32 DMA requests 465 466 Say Y here if you have such a chipset. 467 If unsure, say N. 468 469config STM32_DMA 470 bool "STMicroelectronics STM32 DMA support" 471 depends on ARCH_STM32 || COMPILE_TEST 472 select DMA_ENGINE 473 select DMA_VIRTUAL_CHANNELS 474 help 475 Enable support for the on-chip DMA controller on STMicroelectronics 476 STM32 MCUs. 477 If you have a board based on such a MCU and wish to use DMA say Y 478 here. 479 480config S3C24XX_DMAC 481 bool "Samsung S3C24XX DMA support" 482 depends on ARCH_S3C24XX || COMPILE_TEST 483 select DMA_ENGINE 484 select DMA_VIRTUAL_CHANNELS 485 help 486 Support for the Samsung S3C24XX DMA controller driver. The 487 DMA controller is having multiple DMA channels which can be 488 configured for different peripherals like audio, UART, SPI. 489 The DMA controller can transfer data from memory to peripheral, 490 periphal to memory, periphal to periphal and memory to memory. 491 492config TXX9_DMAC 493 tristate "Toshiba TXx9 SoC DMA support" 494 depends on MACH_TX49XX || MACH_TX39XX 495 select DMA_ENGINE 496 help 497 Support the TXx9 SoC internal DMA controller. This can be 498 integrated in chips such as the Toshiba TX4927/38/39. 499 500config TEGRA20_APB_DMA 501 bool "NVIDIA Tegra20 APB DMA support" 502 depends on ARCH_TEGRA 503 select DMA_ENGINE 504 help 505 Support for the NVIDIA Tegra20 APB DMA controller driver. The 506 DMA controller is having multiple DMA channel which can be 507 configured for different peripherals like audio, UART, SPI, 508 I2C etc which is in APB bus. 509 This DMA controller transfers data from memory to peripheral fifo 510 or vice versa. It does not support memory to memory data transfer. 511 512config TEGRA210_ADMA 513 tristate "NVIDIA Tegra210 ADMA support" 514 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK 515 select DMA_ENGINE 516 select DMA_VIRTUAL_CHANNELS 517 help 518 Support for the NVIDIA Tegra210 ADMA controller driver. The 519 DMA controller has multiple DMA channels and is used to service 520 various audio clients in the Tegra210 audio processing engine 521 (APE). This DMA controller transfers data from memory to 522 peripheral and vice versa. It does not support memory to 523 memory data transfer. 524 525config TIMB_DMA 526 tristate "Timberdale FPGA DMA support" 527 depends on MFD_TIMBERDALE || COMPILE_TEST 528 select DMA_ENGINE 529 help 530 Enable support for the Timberdale FPGA DMA engine. 531 532config TI_CPPI41 533 tristate "CPPI 4.1 DMA support" 534 depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX) 535 select DMA_ENGINE 536 help 537 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 538 is currently used by the USB driver on AM335x and DA8xx platforms. 539 540config TI_DMA_CROSSBAR 541 bool 542 543config TI_EDMA 544 bool "TI EDMA support" 545 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST 546 select DMA_ENGINE 547 select DMA_VIRTUAL_CHANNELS 548 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST) 549 default n 550 help 551 Enable support for the TI EDMA controller. This DMA 552 engine is found on TI DaVinci and AM33xx parts. 553 554config XGENE_DMA 555 tristate "APM X-Gene DMA support" 556 depends on ARCH_XGENE || COMPILE_TEST 557 select DMA_ENGINE 558 select DMA_ENGINE_RAID 559 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 560 help 561 Enable support for the APM X-Gene SoC DMA engine. 562 563config XILINX_DMA 564 tristate "Xilinx AXI DMAS Engine" 565 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 566 select DMA_ENGINE 567 help 568 Enable support for Xilinx AXI VDMA Soft IP. 569 570 AXI VDMA engine provides high-bandwidth direct memory access 571 between memory and AXI4-Stream video type target 572 peripherals including peripherals which support AXI4- 573 Stream Video Protocol. It has two stream interfaces/ 574 channels, Memory Mapped to Stream (MM2S) and Stream to 575 Memory Mapped (S2MM) for the data transfers. 576 AXI CDMA engine provides high-bandwidth direct memory access 577 between a memory-mapped source address and a memory-mapped 578 destination address. 579 AXI DMA engine provides high-bandwidth one dimensional direct 580 memory access between memory and AXI4-Stream target peripherals. 581 582config XILINX_ZYNQMP_DMA 583 tristate "Xilinx ZynqMP DMA Engine" 584 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64) 585 select DMA_ENGINE 586 help 587 Enable support for Xilinx ZynqMP DMA controller. 588 589config ZX_DMA 590 tristate "ZTE ZX DMA support" 591 depends on ARCH_ZX || COMPILE_TEST 592 select DMA_ENGINE 593 select DMA_VIRTUAL_CHANNELS 594 help 595 Support the DMA engine for ZTE ZX family platform devices. 596 597 598# driver files 599source "drivers/dma/bestcomm/Kconfig" 600 601source "drivers/dma/qcom/Kconfig" 602 603source "drivers/dma/dw/Kconfig" 604 605source "drivers/dma/hsu/Kconfig" 606 607source "drivers/dma/sh/Kconfig" 608 609# clients 610comment "DMA Clients" 611 depends on DMA_ENGINE 612 613config ASYNC_TX_DMA 614 bool "Async_tx: Offload support for the async_tx api" 615 depends on DMA_ENGINE 616 help 617 This allows the async_tx api to take advantage of offload engines for 618 memcpy, memset, xor, and raid6 p+q operations. If your platform has 619 a dma engine that can perform raid operations and you have enabled 620 MD_RAID456 say Y. 621 622 If unsure, say N. 623 624config DMATEST 625 tristate "DMA Test client" 626 depends on DMA_ENGINE 627 select DMA_ENGINE_RAID 628 help 629 Simple DMA test client. Say N unless you're debugging a 630 DMA Device driver. 631 632config DMA_ENGINE_RAID 633 bool 634 635endif 636