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 157source "drivers/dma/sh/Kconfig" 158 159config COH901318 160 bool "ST-Ericsson COH901318 DMA support" 161 select DMA_ENGINE 162 depends on ARCH_U300 163 help 164 Enable support for ST-Ericsson COH 901 318 DMA. 165 166config STE_DMA40 167 bool "ST-Ericsson DMA40 support" 168 depends on ARCH_U8500 169 select DMA_ENGINE 170 help 171 Support for ST-Ericsson DMA40 controller 172 173config AMCC_PPC440SPE_ADMA 174 tristate "AMCC PPC440SPe ADMA support" 175 depends on 440SPe || 440SP 176 select DMA_ENGINE 177 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL 178 select ASYNC_TX_ENABLE_CHANNEL_SWITCH 179 help 180 Enable support for the AMCC PPC440SPe RAID engines. 181 182config TIMB_DMA 183 tristate "Timberdale FPGA DMA support" 184 depends on MFD_TIMBERDALE || HAS_IOMEM 185 select DMA_ENGINE 186 help 187 Enable support for the Timberdale FPGA DMA engine. 188 189config SIRF_DMA 190 tristate "CSR SiRFprimaII/SiRFmarco DMA support" 191 depends on ARCH_SIRF 192 select DMA_ENGINE 193 help 194 Enable support for the CSR SiRFprimaII DMA engine. 195 196config TI_EDMA 197 bool "TI EDMA support" 198 depends on ARCH_DAVINCI || ARCH_OMAP 199 select DMA_ENGINE 200 select DMA_VIRTUAL_CHANNELS 201 select TI_PRIV_EDMA 202 default n 203 help 204 Enable support for the TI EDMA controller. This DMA 205 engine is found on TI DaVinci and AM33xx parts. 206 207config ARCH_HAS_ASYNC_TX_FIND_CHANNEL 208 bool 209 210config PL330_DMA 211 tristate "DMA API Driver for PL330" 212 select DMA_ENGINE 213 depends on ARM_AMBA 214 help 215 Select if your platform has one or more PL330 DMACs. 216 You need to provide platform specific settings via 217 platform_data for a dma-pl330 device. 218 219config PCH_DMA 220 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA" 221 depends on PCI && X86 222 select DMA_ENGINE 223 help 224 Enable support for Intel EG20T PCH DMA engine. 225 226 This driver also can be used for LAPIS Semiconductor IOH(Input/ 227 Output Hub), ML7213, ML7223 and ML7831. 228 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is 229 for MP(Media Phone) use and ML7831 IOH is for general purpose use. 230 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series. 231 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH. 232 233config IMX_SDMA 234 tristate "i.MX SDMA support" 235 depends on ARCH_MXC 236 select DMA_ENGINE 237 help 238 Support the i.MX SDMA engine. This engine is integrated into 239 Freescale i.MX25/31/35/51/53 chips. 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 MXS_DMA 250 bool "MXS DMA support" 251 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q 252 select STMP_DEVICE 253 select DMA_ENGINE 254 help 255 Support the MXS DMA engine. This engine including APBH-DMA 256 and APBX-DMA is integrated into Freescale i.MX23/28 chips. 257 258config EP93XX_DMA 259 bool "Cirrus Logic EP93xx DMA support" 260 depends on ARCH_EP93XX 261 select DMA_ENGINE 262 help 263 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller. 264 265config DMA_SA11X0 266 tristate "SA-11x0 DMA support" 267 depends on ARCH_SA1100 268 select DMA_ENGINE 269 select DMA_VIRTUAL_CHANNELS 270 help 271 Support the DMA engine found on Intel StrongARM SA-1100 and 272 SA-1110 SoCs. This DMA engine can only be used with on-chip 273 devices. 274 275config MMP_TDMA 276 bool "MMP Two-Channel DMA support" 277 depends on ARCH_MMP 278 select DMA_ENGINE 279 help 280 Support the MMP Two-Channel DMA engine. 281 This engine used for MMP Audio DMA and pxa910 SQU. 282 283 Say Y here if you enabled MMP ADMA, otherwise say N. 284 285config DMA_OMAP 286 tristate "OMAP DMA support" 287 depends on ARCH_OMAP 288 select DMA_ENGINE 289 select DMA_VIRTUAL_CHANNELS 290 291config TI_CPPI41 292 tristate "AM33xx CPPI41 DMA support" 293 depends on ARCH_OMAP 294 select DMA_ENGINE 295 help 296 The Communications Port Programming Interface (CPPI) 4.1 DMA engine 297 is currently used by the USB driver on AM335x platforms. 298 299config MMP_PDMA 300 bool "MMP PDMA support" 301 depends on (ARCH_MMP || ARCH_PXA) 302 select DMA_ENGINE 303 help 304 Support the MMP PDMA engine for PXA and MMP platfrom. 305 306config DMA_JZ4740 307 tristate "JZ4740 DMA support" 308 depends on MACH_JZ4740 309 select DMA_ENGINE 310 select DMA_VIRTUAL_CHANNELS 311 312config K3_DMA 313 tristate "Hisilicon K3 DMA support" 314 depends on ARCH_HI3xxx 315 select DMA_ENGINE 316 select DMA_VIRTUAL_CHANNELS 317 help 318 Support the DMA engine for Hisilicon K3 platform 319 devices. 320 321config DMA_ENGINE 322 bool 323 324config DMA_VIRTUAL_CHANNELS 325 tristate 326 327config DMA_ACPI 328 def_bool y 329 depends on ACPI 330 331config DMA_OF 332 def_bool y 333 depends on OF 334 335comment "DMA Clients" 336 depends on DMA_ENGINE 337 338config NET_DMA 339 bool "Network: TCP receive copy offload" 340 depends on DMA_ENGINE && NET 341 default (INTEL_IOATDMA || FSL_DMA) 342 help 343 This enables the use of DMA engines in the network stack to 344 offload receive copy-to-user operations, freeing CPU cycles. 345 346 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise 347 say N. 348 349config ASYNC_TX_DMA 350 bool "Async_tx: Offload support for the async_tx api" 351 depends on DMA_ENGINE 352 help 353 This allows the async_tx api to take advantage of offload engines for 354 memcpy, memset, xor, and raid6 p+q operations. If your platform has 355 a dma engine that can perform raid operations and you have enabled 356 MD_RAID456 say Y. 357 358 If unsure, say N. 359 360config DMATEST 361 tristate "DMA Test client" 362 depends on DMA_ENGINE 363 help 364 Simple DMA test client. Say N unless you're debugging a 365 DMA Device driver. 366 367endif 368