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 36config INTEL_MID_DMAC 37 tristate "Intel MID DMA support for Peripheral DMA controllers" 38 depends on PCI && X86 39 select DMA_ENGINE 40 default n 41 help 42 Enable support for the Intel(R) MID DMA engine present 43 in Intel MID chipsets. 44 45 Say Y here if you have such a chipset. 46 47 If unsure, say N. 48 49config ASYNC_TX_ENABLE_CHANNEL_SWITCH 50 bool 51 52config AMBA_PL08X 53 bool "ARM PrimeCell PL080 or PL081 support" 54 depends on ARM_AMBA 55 select DMA_ENGINE 56 select DMA_VIRTUAL_CHANNELS 57 help 58 Platform has a PL08x DMAC device 59 which can provide DMA engine support 60 61config INTEL_IOATDMA 62 tristate "Intel I/OAT DMA support" 63 depends on PCI && X86 64 select DMA_ENGINE 65 select DCA 66 help 67 Enable support for the Intel(R) I/OAT DMA engine present 68 in recent Intel Xeon chipsets. 69 70 Say Y here if you have such a chipset. 71 72 If unsure, say N. 73 74config INTEL_IOP_ADMA 75 tristate "Intel IOP ADMA support" 76 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX 77 select DMA_ENGINE 78 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 79 help 80 Enable support for the Intel(R) IOP Series RAID engines. 81 82source "drivers/dma/dw/Kconfig" 83 84config AT_HDMAC 85 tristate "Atmel AHB DMA support" 86 depends on ARCH_AT91 87 select DMA_ENGINE 88 help 89 Support the Atmel AHB DMA controller. 90 91config FSL_DMA 92 tristate "Freescale Elo and Elo Plus DMA support" 93 depends on FSL_SOC 94 select DMA_ENGINE 95 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 96 ---help--- 97 Enable support for the Freescale Elo and Elo Plus DMA controllers. 98 The Elo is the DMA controller on some 82xx and 83xx parts, and the 99 Elo Plus is the DMA controller on 85xx and 86xx parts. 100 101config MPC512X_DMA 102 tristate "Freescale MPC512x built-in DMA engine support" 103 depends on PPC_MPC512x || PPC_MPC831x 104 select DMA_ENGINE 105 ---help--- 106 Enable support for the Freescale MPC512x built-in DMA engine. 107 108source "drivers/dma/bestcomm/Kconfig" 109 110config MV_XOR 111 bool "Marvell XOR engine support" 112 depends on PLAT_ORION 113 select DMA_ENGINE 114 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 115 ---help--- 116 Enable support for the Marvell XOR engine. 117 118config MX3_IPU 119 bool "MX3x Image Processing Unit support" 120 depends on ARCH_MXC 121 select DMA_ENGINE 122 default y 123 help 124 If you plan to use the Image Processing unit in the i.MX3x, say 125 Y here. If unsure, select Y. 126 127config MX3_IPU_IRQS 128 int "Number of dynamically mapped interrupts for IPU" 129 depends on MX3_IPU 130 range 2 137 131 default 4 132 help 133 Out of 137 interrupt sources on i.MX31 IPU only very few are used. 134 To avoid bloating the irq_desc[] array we allocate a sufficient 135 number of IRQ slots and map them dynamically to specific sources. 136 137config TXX9_DMAC 138 tristate "Toshiba TXx9 SoC DMA support" 139 depends on MACH_TX49XX || MACH_TX39XX 140 select DMA_ENGINE 141 help 142 Support the TXx9 SoC internal DMA controller. This can be 143 integrated in chips such as the Toshiba TX4927/38/39. 144 145config TEGRA20_APB_DMA 146 bool "NVIDIA Tegra20 APB DMA support" 147 depends on ARCH_TEGRA 148 select DMA_ENGINE 149 help 150 Support for the NVIDIA Tegra20 APB DMA controller driver. The 151 DMA controller is having multiple DMA channel which can be 152 configured for different peripherals like audio, UART, SPI, 153 I2C etc which is in APB bus. 154 This DMA controller transfers data from memory to peripheral fifo 155 or vice versa. It does not support memory to memory data transfer. 156 157config S3C24XX_DMAC 158 tristate "Samsung S3C24XX DMA support" 159 depends on ARCH_S3C24XX && !S3C24XX_DMA 160 select DMA_ENGINE 161 select DMA_VIRTUAL_CHANNELS 162 help 163 Support for the Samsung S3C24XX DMA controller driver. The 164 DMA controller is having multiple DMA channels which can be 165 configured for different peripherals like audio, UART, SPI. 166 The DMA controller can transfer data from memory to peripheral, 167 periphal to memory, periphal to periphal and memory to memory. 168 169source "drivers/dma/sh/Kconfig" 170 171config COH901318 172 bool "ST-Ericsson COH901318 DMA support" 173 select DMA_ENGINE 174 depends on ARCH_U300 175 help 176 Enable support for ST-Ericsson COH 901 318 DMA. 177 178config STE_DMA40 179 bool "ST-Ericsson DMA40 support" 180 depends on ARCH_U8500 181 select DMA_ENGINE 182 help 183 Support for ST-Ericsson DMA40 controller 184 185config AMCC_PPC440SPE_ADMA 186 tristate "AMCC PPC440SPe ADMA support" 187 depends on 440SPe || 440SP 188 select DMA_ENGINE 189 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 190 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 191 help 192 Enable support for the AMCC PPC440SPe RAID engines. 193 194config TIMB_DMA 195 tristate "Timberdale FPGA DMA support" 196 depends on MFD_TIMBERDALE || HAS_IOMEM 197 select DMA_ENGINE 198 help 199 Enable support for the Timberdale FPGA DMA engine. 200 201config SIRF_DMA 202 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 203 depends on ARCH_SIRF 204 select DMA_ENGINE 205 help 206 Enable support for the CSR SiRFprimaII DMA engine. 207 208config TI_EDMA 209 bool "TI EDMA support" 210 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE 211 select DMA_ENGINE 212 select DMA_VIRTUAL_CHANNELS 213 select TI_PRIV_EDMA 214 default n 215 help 216 Enable support for the TI EDMA controller. This DMA 217 engine is found on TI DaVinci and AM33xx parts. 218 219config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 220 bool 221 222config PL330_DMA 223 tristate "DMA API Driver for PL330" 224 select DMA_ENGINE 225 depends on ARM_AMBA 226 help 227 Select if your platform has one or more PL330 DMACs. 228 You need to provide platform specific settings via 229 platform_data for a dma-pl330 device. 230 231config PCH_DMA 232 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 233 depends on PCI && X86 234 select DMA_ENGINE 235 help 236 Enable support for Intel EG20T PCH DMA engine. 237 238 This driver also can be used for LAPIS Semiconductor IOH(Input/ 239 Output Hub), ML7213, ML7223 and ML7831. 240 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 241 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 242 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 243 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 244 245config IMX_SDMA 246 tristate "i.MX SDMA support" 247 depends on ARCH_MXC 248 select DMA_ENGINE 249 help 250 Support the i.MX SDMA engine. This engine is integrated into 251 Freescale i.MX25/31/35/51/53 chips. 252 253config IMX_DMA 254 tristate "i.MX DMA support" 255 depends on ARCH_MXC 256 select DMA_ENGINE 257 help 258 Support the i.MX DMA engine. This engine is integrated into 259 Freescale i.MX1/21/27 chips. 260 261config MXS_DMA 262 bool "MXS DMA support" 263 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q 264 select STMP_DEVICE 265 select DMA_ENGINE 266 help 267 Support the MXS DMA engine. This engine including APBH-DMA 268 and APBX-DMA is integrated into Freescale i.MX23/28 chips. 269 270config EP93XX_DMA 271 bool "Cirrus Logic EP93xx DMA support" 272 depends on ARCH_EP93XX 273 select DMA_ENGINE 274 help 275 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 276 277config DMA_SA11X0 278 tristate "SA-11x0 DMA support" 279 depends on ARCH_SA1100 280 select DMA_ENGINE 281 select DMA_VIRTUAL_CHANNELS 282 help 283 Support the DMA engine found on Intel StrongARM SA-1100 and 284 SA-1110 SoCs. This DMA engine can only be used with on-chip 285 devices. 286 287config MMP_TDMA 288 bool "MMP Two-Channel DMA support" 289 depends on ARCH_MMP 290 select DMA_ENGINE 291 help 292 Support the MMP Two-Channel DMA engine. 293 This engine used for MMP Audio DMA and pxa910 SQU. 294 295 Say Y here if you enabled MMP ADMA, otherwise say N. 296 297config DMA_OMAP 298 tristate "OMAP DMA support" 299 depends on ARCH_OMAP 300 select DMA_ENGINE 301 select DMA_VIRTUAL_CHANNELS 302 303config TI_CPPI41 304 tristate "AM33xx CPPI41 DMA support" 305 depends on ARCH_OMAP 306 select DMA_ENGINE 307 help 308 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 309 is currently used by the USB driver on AM335x platforms. 310 311config MMP_PDMA 312 bool "MMP PDMA support" 313 depends on (ARCH_MMP || ARCH_PXA) 314 select DMA_ENGINE 315 help 316 Support the MMP PDMA engine for PXA and MMP platfrom. 317 318config DMA_JZ4740 319 tristate "JZ4740 DMA support" 320 depends on MACH_JZ4740 321 select DMA_ENGINE 322 select DMA_VIRTUAL_CHANNELS 323 324config K3_DMA 325 tristate "Hisilicon K3 DMA support" 326 depends on ARCH_HI3xxx 327 select DMA_ENGINE 328 select DMA_VIRTUAL_CHANNELS 329 help 330 Support the DMA engine for Hisilicon K3 platform 331 devices. 332 333config DMA_ENGINE 334 bool 335 336config DMA_VIRTUAL_CHANNELS 337 tristate 338 339config DMA_ACPI 340 def_bool y 341 depends on ACPI 342 343config DMA_OF 344 def_bool y 345 depends on OF 346 347comment "DMA Clients" 348 depends on DMA_ENGINE 349 350config NET_DMA 351 bool "Network: TCP receive copy offload" 352 depends on DMA_ENGINE && NET 353 default (INTEL_IOATDMA || FSL_DMA) 354 help 355 This enables the use of DMA engines in the network stack to 356 offload receive copy-to-user operations, freeing CPU cycles. 357 358 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise 359 say N. 360 361config ASYNC_TX_DMA 362 bool "Async_tx: Offload support for the async_tx api" 363 depends on DMA_ENGINE 364 help 365 This allows the async_tx api to take advantage of offload engines for 366 memcpy, memset, xor, and raid6 p+q operations. If your platform has 367 a dma engine that can perform raid operations and you have enabled 368 MD_RAID456 say Y. 369 370 If unsure, say N. 371 372config DMATEST 373 tristate "DMA Test client" 374 depends on DMA_ENGINE 375 help 376 Simple DMA test client. Say N unless you're debugging a 377 DMA Device driver. 378 379endif 380