1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Platform drivers 4# Most drivers here are currently for webcam support 5 6menuconfig V4L_PLATFORM_DRIVERS 7 bool "V4L platform devices" 8 help 9 Say Y here to enable support for platform-specific V4L drivers. 10 11if V4L_PLATFORM_DRIVERS 12 13source "drivers/media/platform/marvell-ccic/Kconfig" 14 15config VIDEO_VIA_CAMERA 16 tristate "VIAFB camera controller support" 17 depends on FB_VIA && VIDEO_V4L2 18 select VIDEOBUF2_DMA_SG 19 select VIDEO_OV7670 20 help 21 Driver support for the integrated camera controller in VIA 22 Chrome9 chipsets. Currently only tested on OLPC xo-1.5 systems 23 with ov7670 sensors. 24 25# 26# Platform multimedia device configuration 27# 28source "drivers/media/platform/cadence/Kconfig" 29 30source "drivers/media/platform/davinci/Kconfig" 31 32source "drivers/media/platform/omap/Kconfig" 33 34config VIDEO_ASPEED 35 tristate "Aspeed AST2400 and AST2500 Video Engine driver" 36 depends on VIDEO_V4L2 37 select VIDEOBUF2_DMA_CONTIG 38 help 39 Support for the Aspeed Video Engine (VE) embedded in the Aspeed 40 AST2400 and AST2500 SOCs. The VE can capture and compress video data 41 from digital or analog sources. 42 43config VIDEO_SH_VOU 44 tristate "SuperH VOU video output driver" 45 depends on VIDEO_DEV && I2C 46 depends on ARCH_SHMOBILE || COMPILE_TEST 47 select VIDEOBUF2_DMA_CONTIG 48 help 49 Support for the Video Output Unit (VOU) on SuperH SoCs. 50 51config VIDEO_VIU 52 tristate "Freescale VIU Video Driver" 53 depends on VIDEO_V4L2 && (PPC_MPC512x || COMPILE_TEST) && I2C 54 select VIDEOBUF_DMA_CONTIG 55 default y 56 help 57 Support for Freescale VIU video driver. This device captures 58 video data, or overlays video on DIU frame buffer. 59 60 Say Y here if you want to enable VIU device on MPC5121e Rev2+. 61 In doubt, say N. 62 63config VIDEO_MUX 64 tristate "Video Multiplexer" 65 select MULTIPLEXER 66 depends on VIDEO_V4L2 && OF 67 select MEDIA_CONTROLLER 68 select VIDEO_V4L2_SUBDEV_API 69 select REGMAP 70 select V4L2_FWNODE 71 help 72 This driver provides support for N:1 video bus multiplexers. 73 74config VIDEO_OMAP3 75 tristate "OMAP 3 Camera support" 76 depends on VIDEO_V4L2 && I2C 77 depends on (ARCH_OMAP3 && OMAP_IOMMU) || COMPILE_TEST 78 depends on COMMON_CLK && OF 79 select ARM_DMA_USE_IOMMU if OMAP_IOMMU 80 select MEDIA_CONTROLLER 81 select VIDEO_V4L2_SUBDEV_API 82 select VIDEOBUF2_DMA_CONTIG 83 select MFD_SYSCON 84 select V4L2_FWNODE 85 help 86 Driver for an OMAP 3 camera controller. 87 88config VIDEO_OMAP3_DEBUG 89 bool "OMAP 3 Camera debug messages" 90 depends on VIDEO_OMAP3 91 help 92 Enable debug messages on OMAP 3 camera controller driver. 93 94config VIDEO_PXA27x 95 tristate "PXA27x Quick Capture Interface driver" 96 depends on VIDEO_DEV && VIDEO_V4L2 97 depends on PXA27x || COMPILE_TEST 98 select VIDEOBUF2_DMA_SG 99 select SG_SPLIT 100 select V4L2_FWNODE 101 help 102 This is a v4l2 driver for the PXA27x Quick Capture Interface 103 104config VIDEO_QCOM_CAMSS 105 tristate "Qualcomm V4L2 Camera Subsystem driver" 106 depends on VIDEO_V4L2 107 depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST 108 select MEDIA_CONTROLLER 109 select VIDEO_V4L2_SUBDEV_API 110 select VIDEOBUF2_DMA_SG 111 select V4L2_FWNODE 112 113config VIDEO_S3C_CAMIF 114 tristate "Samsung S3C24XX/S3C64XX SoC Camera Interface driver" 115 depends on VIDEO_V4L2 && I2C && PM 116 depends on ARCH_S3C64XX || PLAT_S3C24XX || COMPILE_TEST 117 select MEDIA_CONTROLLER 118 select VIDEO_V4L2_SUBDEV_API 119 select VIDEOBUF2_DMA_CONTIG 120 help 121 This is a v4l2 driver for s3c24xx and s3c64xx SoC series camera 122 host interface (CAMIF). 123 124 To compile this driver as a module, choose M here: the module 125 will be called s3c-camif. 126 127config VIDEO_STM32_DCMI 128 tristate "STM32 Digital Camera Memory Interface (DCMI) support" 129 depends on VIDEO_V4L2 && OF 130 depends on ARCH_STM32 || COMPILE_TEST 131 select VIDEOBUF2_DMA_CONTIG 132 select MEDIA_CONTROLLER 133 select V4L2_FWNODE 134 help 135 This module makes the STM32 Digital Camera Memory Interface (DCMI) 136 available as a v4l2 device. 137 138 To compile this driver as a module, choose M here: the module 139 will be called stm32-dcmi. 140 141config VIDEO_RENESAS_CEU 142 tristate "Renesas Capture Engine Unit (CEU) driver" 143 depends on VIDEO_DEV && VIDEO_V4L2 144 depends on ARCH_SHMOBILE || ARCH_R7S72100 || COMPILE_TEST 145 select VIDEOBUF2_DMA_CONTIG 146 select V4L2_FWNODE 147 help 148 This is a v4l2 driver for the Renesas CEU Interface 149 150source "drivers/media/platform/rockchip/Kconfig" 151source "drivers/media/platform/exynos4-is/Kconfig" 152source "drivers/media/platform/am437x/Kconfig" 153source "drivers/media/platform/xilinx/Kconfig" 154source "drivers/media/platform/rcar-vin/Kconfig" 155source "drivers/media/platform/atmel/Kconfig" 156source "drivers/media/platform/sunxi/Kconfig" 157 158config VIDEO_TI_CAL 159 tristate "TI CAL (Camera Adaptation Layer) driver" 160 depends on VIDEO_DEV && VIDEO_V4L2 161 select MEDIA_CONTROLLER 162 select VIDEO_V4L2_SUBDEV_API 163 depends on SOC_DRA7XX || ARCH_K3 || COMPILE_TEST 164 select VIDEOBUF2_DMA_CONTIG 165 select V4L2_FWNODE 166 help 167 Support for the TI CAL (Camera Adaptation Layer) block 168 found on DRA72X SoC. 169 In TI Technical Reference Manual this module is referred as 170 Camera Interface Subsystem (CAMSS). 171 172endif # V4L_PLATFORM_DRIVERS 173 174menuconfig V4L_MEM2MEM_DRIVERS 175 bool "Memory-to-memory multimedia devices" 176 depends on VIDEO_V4L2 177 help 178 Say Y here to enable selecting drivers for V4L devices that 179 use system memory for both source and destination buffers, as opposed 180 to capture and output drivers, which use memory buffers for just 181 one of those. 182 183if V4L_MEM2MEM_DRIVERS 184 185config VIDEO_CODA 186 tristate "Chips&Media Coda multi-standard codec IP" 187 depends on VIDEO_DEV && VIDEO_V4L2 && (ARCH_MXC || COMPILE_TEST) 188 select SRAM 189 select VIDEOBUF2_DMA_CONTIG 190 select VIDEOBUF2_VMALLOC 191 select V4L2_JPEG_HELPER 192 select V4L2_MEM2MEM_DEV 193 select GENERIC_ALLOCATOR 194 help 195 Coda is a range of video codec IPs that supports 196 H.264, MPEG-4, and other video formats. 197 198config VIDEO_IMX_VDOA 199 def_tristate VIDEO_CODA if SOC_IMX6Q || COMPILE_TEST 200 201config VIDEO_IMX_PXP 202 tristate "i.MX Pixel Pipeline (PXP)" 203 depends on VIDEO_DEV && VIDEO_V4L2 && (ARCH_MXC || COMPILE_TEST) 204 select VIDEOBUF2_DMA_CONTIG 205 select V4L2_MEM2MEM_DEV 206 help 207 The i.MX Pixel Pipeline is a memory-to-memory engine for scaling, 208 color space conversion, and rotation. 209 210config VIDEO_MEDIATEK_JPEG 211 tristate "Mediatek JPEG Codec driver" 212 depends on MTK_IOMMU_V1 || MTK_IOMMU || COMPILE_TEST 213 depends on VIDEO_DEV && VIDEO_V4L2 214 depends on ARCH_MEDIATEK || COMPILE_TEST 215 depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n) 216 select VIDEOBUF2_DMA_CONTIG 217 select V4L2_MEM2MEM_DEV 218 help 219 Mediatek jpeg codec driver provides HW capability to decode 220 JPEG format 221 222 To compile this driver as a module, choose M here: the 223 module will be called mtk-jpeg 224 225config VIDEO_MEDIATEK_VPU 226 tristate "Mediatek Video Processor Unit" 227 depends on VIDEO_DEV && VIDEO_V4L2 228 depends on ARCH_MEDIATEK || COMPILE_TEST 229 help 230 This driver provides downloading VPU firmware and 231 communicating with VPU. This driver for hw video 232 codec embedded in Mediatek's MT8173 SOCs. It is able 233 to handle video decoding/encoding in a range of formats. 234 235 To compile this driver as a module, choose M here: the 236 module will be called mtk-vpu. 237 238config VIDEO_MEDIATEK_MDP 239 tristate "Mediatek MDP driver" 240 depends on MTK_IOMMU || COMPILE_TEST 241 depends on VIDEO_DEV && VIDEO_V4L2 242 depends on ARCH_MEDIATEK || COMPILE_TEST 243 depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n) 244 select VIDEOBUF2_DMA_CONTIG 245 select V4L2_MEM2MEM_DEV 246 select VIDEO_MEDIATEK_VPU 247 help 248 It is a v4l2 driver and present in Mediatek MT8173 SoCs. 249 The driver supports for scaling and color space conversion. 250 251 To compile this driver as a module, choose M here: the 252 module will be called mtk-mdp. 253 254config VIDEO_MEDIATEK_VCODEC 255 tristate "Mediatek Video Codec driver" 256 depends on MTK_IOMMU || COMPILE_TEST 257 depends on VIDEO_DEV && VIDEO_V4L2 258 depends on ARCH_MEDIATEK || COMPILE_TEST 259 depends on VIDEO_MEDIATEK_VPU || MTK_SCP 260 # The two following lines ensure we have the same state ("m" or "y") as 261 # our dependencies, to avoid missing symbols during link. 262 depends on VIDEO_MEDIATEK_VPU || !VIDEO_MEDIATEK_VPU 263 depends on MTK_SCP || !MTK_SCP 264 depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n) 265 select VIDEOBUF2_DMA_CONTIG 266 select V4L2_MEM2MEM_DEV 267 select VIDEO_MEDIATEK_VCODEC_VPU if VIDEO_MEDIATEK_VPU 268 select VIDEO_MEDIATEK_VCODEC_SCP if MTK_SCP 269 help 270 Mediatek video codec driver provides HW capability to 271 encode and decode in a range of video formats on MT8173 272 and MT8183. 273 274 Note that support for MT8173 requires VIDEO_MEDIATEK_VPU to 275 also be selected. Support for MT8183 depends on MTK_SCP. 276 277 To compile this driver as modules, choose M here: the 278 modules will be called mtk-vcodec-dec and mtk-vcodec-enc. 279 280config VIDEO_MEDIATEK_VCODEC_VPU 281 bool 282 283config VIDEO_MEDIATEK_VCODEC_SCP 284 bool 285 286config VIDEO_MEM2MEM_DEINTERLACE 287 tristate "Deinterlace support" 288 depends on VIDEO_DEV && VIDEO_V4L2 289 depends on HAS_DMA 290 select VIDEOBUF2_DMA_CONTIG 291 select V4L2_MEM2MEM_DEV 292 help 293 Generic deinterlacing V4L2 driver. 294 295config VIDEO_SAMSUNG_S5P_G2D 296 tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver" 297 depends on VIDEO_DEV && VIDEO_V4L2 298 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 299 select VIDEOBUF2_DMA_CONTIG 300 select V4L2_MEM2MEM_DEV 301 help 302 This is a v4l2 driver for Samsung S5P and EXYNOS4 G2D 303 2d graphics accelerator. 304 305config VIDEO_SAMSUNG_S5P_JPEG 306 tristate "Samsung S5P/Exynos3250/Exynos4 JPEG codec driver" 307 depends on VIDEO_DEV && VIDEO_V4L2 308 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 309 select VIDEOBUF2_DMA_CONTIG 310 select V4L2_MEM2MEM_DEV 311 help 312 This is a v4l2 driver for Samsung S5P, EXYNOS3250 313 and EXYNOS4 JPEG codec 314 315config VIDEO_SAMSUNG_S5P_MFC 316 tristate "Samsung S5P MFC Video Codec" 317 depends on VIDEO_DEV && VIDEO_V4L2 318 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST 319 select VIDEOBUF2_DMA_CONTIG 320 help 321 MFC 5.1 and 6.x driver for V4L2 322 323config VIDEO_MX2_EMMAPRP 324 tristate "MX2 eMMa-PrP support" 325 depends on VIDEO_DEV && VIDEO_V4L2 326 depends on SOC_IMX27 || COMPILE_TEST 327 select VIDEOBUF2_DMA_CONTIG 328 select V4L2_MEM2MEM_DEV 329 help 330 MX2X chips have a PrP that can be used to process buffers from 331 memory to memory. Operations include resizing and format 332 conversion. 333 334config VIDEO_SAMSUNG_EXYNOS_GSC 335 tristate "Samsung Exynos G-Scaler driver" 336 depends on VIDEO_DEV && VIDEO_V4L2 337 depends on ARCH_EXYNOS || COMPILE_TEST 338 select VIDEOBUF2_DMA_CONTIG 339 select V4L2_MEM2MEM_DEV 340 help 341 This is a v4l2 driver for Samsung EXYNOS5 SoC G-Scaler. 342 343config VIDEO_STI_BDISP 344 tristate "STMicroelectronics BDISP 2D blitter driver" 345 depends on VIDEO_DEV && VIDEO_V4L2 346 depends on ARCH_STI || COMPILE_TEST 347 select VIDEOBUF2_DMA_CONTIG 348 select V4L2_MEM2MEM_DEV 349 help 350 This v4l2 mem2mem driver is a 2D blitter for STMicroelectronics SoC. 351 352config VIDEO_STI_HVA 353 tristate "STMicroelectronics HVA multi-format video encoder V4L2 driver" 354 depends on VIDEO_DEV && VIDEO_V4L2 355 depends on ARCH_STI || COMPILE_TEST 356 select VIDEOBUF2_DMA_CONTIG 357 select V4L2_MEM2MEM_DEV 358 help 359 This V4L2 driver enables HVA (Hardware Video Accelerator) multi-format 360 video encoder of STMicroelectronics SoC, allowing hardware encoding of 361 raw uncompressed formats in various compressed video bitstreams format. 362 363 To compile this driver as a module, choose M here: 364 the module will be called st-hva. 365 366config VIDEO_STI_HVA_DEBUGFS 367 bool "Export STMicroelectronics HVA internals in debugfs" 368 depends on VIDEO_STI_HVA 369 depends on DEBUG_FS 370 help 371 Select this to see information about the internal state and the last 372 operation of STMicroelectronics HVA multi-format video encoder in 373 debugfs. 374 375 Choose N unless you know you need this. 376 377config VIDEO_STI_DELTA 378 tristate "STMicroelectronics DELTA multi-format video decoder V4L2 driver" 379 depends on VIDEO_DEV && VIDEO_V4L2 380 depends on ARCH_STI || COMPILE_TEST 381 help 382 This V4L2 driver enables DELTA multi-format video decoder 383 of STMicroelectronics STiH4xx SoC series allowing hardware 384 decoding of various compressed video bitstream format in 385 raw uncompressed format. 386 387 Use this option to see the decoders available for such 388 hardware. 389 390 Please notice that the driver will only be built if 391 at least one of the DELTA decoder below is selected. 392 393if VIDEO_STI_DELTA 394 395config VIDEO_STI_DELTA_MJPEG 396 bool "STMicroelectronics DELTA MJPEG support" 397 default y 398 help 399 Enables DELTA MJPEG hardware support. 400 401 To compile this driver as a module, choose M here: 402 the module will be called st-delta. 403 404config VIDEO_STI_DELTA_DRIVER 405 tristate 406 depends on VIDEO_STI_DELTA 407 depends on VIDEO_STI_DELTA_MJPEG 408 default VIDEO_STI_DELTA_MJPEG 409 select VIDEOBUF2_DMA_CONTIG 410 select V4L2_MEM2MEM_DEV 411 select RPMSG 412 413endif # VIDEO_STI_DELTA 414 415config VIDEO_RENESAS_FDP1 416 tristate "Renesas Fine Display Processor" 417 depends on VIDEO_DEV && VIDEO_V4L2 418 depends on ARCH_RENESAS || COMPILE_TEST 419 depends on (!ARM64 && !VIDEO_RENESAS_FCP) || VIDEO_RENESAS_FCP 420 select VIDEOBUF2_DMA_CONTIG 421 select V4L2_MEM2MEM_DEV 422 help 423 This is a V4L2 driver for the Renesas Fine Display Processor 424 providing colour space conversion, and de-interlacing features. 425 426 To compile this driver as a module, choose M here: the module 427 will be called rcar_fdp1. 428 429config VIDEO_RENESAS_JPU 430 tristate "Renesas JPEG Processing Unit" 431 depends on VIDEO_DEV && VIDEO_V4L2 432 depends on ARCH_RENESAS || COMPILE_TEST 433 select VIDEOBUF2_DMA_CONTIG 434 select V4L2_MEM2MEM_DEV 435 help 436 This is a V4L2 driver for the Renesas JPEG Processing Unit. 437 438 To compile this driver as a module, choose M here: the module 439 will be called rcar_jpu. 440 441config VIDEO_RENESAS_FCP 442 tristate "Renesas Frame Compression Processor" 443 depends on ARCH_RENESAS || COMPILE_TEST 444 depends on OF 445 help 446 This is a driver for the Renesas Frame Compression Processor (FCP). 447 The FCP is a companion module of video processing modules in the 448 Renesas R-Car Gen3 and RZ/G2 SoCs. It handles memory access for 449 the codec, VSP and FDP modules. 450 451 To compile this driver as a module, choose M here: the module 452 will be called rcar-fcp. 453 454config VIDEO_RENESAS_VSP1 455 tristate "Renesas VSP1 Video Processing Engine" 456 depends on VIDEO_V4L2 457 depends on ARCH_RENESAS || COMPILE_TEST 458 depends on (!ARM64 && !VIDEO_RENESAS_FCP) || VIDEO_RENESAS_FCP 459 select MEDIA_CONTROLLER 460 select VIDEO_V4L2_SUBDEV_API 461 select VIDEOBUF2_DMA_CONTIG 462 select VIDEOBUF2_VMALLOC 463 help 464 This is a V4L2 driver for the Renesas VSP1 video processing engine. 465 466 To compile this driver as a module, choose M here: the module 467 will be called vsp1. 468 469config VIDEO_ROCKCHIP_RGA 470 tristate "Rockchip Raster 2d Graphic Acceleration Unit" 471 depends on VIDEO_DEV && VIDEO_V4L2 472 depends on ARCH_ROCKCHIP || COMPILE_TEST 473 select VIDEOBUF2_DMA_SG 474 select V4L2_MEM2MEM_DEV 475 help 476 This is a v4l2 driver for Rockchip SOC RGA 2d graphics accelerator. 477 Rockchip RGA is a separate 2D raster graphic acceleration unit. 478 It accelerates 2D graphics operations, such as point/line drawing, 479 image scaling, rotation, BitBLT, alpha blending and image blur/sharpness. 480 481 To compile this driver as a module choose m here. 482 483config VIDEO_TI_VPE 484 tristate "TI VPE (Video Processing Engine) driver" 485 depends on VIDEO_DEV && VIDEO_V4L2 486 depends on SOC_DRA7XX || COMPILE_TEST 487 select VIDEOBUF2_DMA_CONTIG 488 select V4L2_MEM2MEM_DEV 489 select VIDEO_TI_VPDMA 490 select VIDEO_TI_SC 491 select VIDEO_TI_CSC 492 help 493 Support for the TI VPE(Video Processing Engine) block 494 found on DRA7XX SoC. 495 496config VIDEO_TI_VPE_DEBUG 497 bool "VPE debug messages" 498 depends on VIDEO_TI_VPE 499 help 500 Enable debug messages on VPE driver. 501 502config VIDEO_QCOM_VENUS 503 tristate "Qualcomm Venus V4L2 encoder/decoder driver" 504 depends on VIDEO_DEV && VIDEO_V4L2 505 depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST 506 depends on INTERCONNECT || !INTERCONNECT 507 select QCOM_MDT_LOADER if ARCH_QCOM 508 select QCOM_SCM if ARCH_QCOM 509 select VIDEOBUF2_DMA_SG 510 select V4L2_MEM2MEM_DEV 511 help 512 This is a V4L2 driver for Qualcomm Venus video accelerator 513 hardware. It accelerates encoding and decoding operations 514 on various Qualcomm SoCs. 515 To compile this driver as a module choose m here. 516 517config VIDEO_SUN8I_DEINTERLACE 518 tristate "Allwinner Deinterlace driver" 519 depends on VIDEO_DEV && VIDEO_V4L2 520 depends on ARCH_SUNXI || COMPILE_TEST 521 depends on COMMON_CLK && OF 522 depends on PM 523 select VIDEOBUF2_DMA_CONTIG 524 select V4L2_MEM2MEM_DEV 525 help 526 Support for the Allwinner deinterlace unit with scaling 527 capability found on some SoCs, like H3. 528 To compile this driver as a module choose m here. 529 530config VIDEO_SUN8I_ROTATE 531 tristate "Allwinner DE2 rotation driver" 532 depends on VIDEO_DEV && VIDEO_V4L2 533 depends on ARCH_SUNXI || COMPILE_TEST 534 depends on COMMON_CLK && OF 535 depends on PM 536 select VIDEOBUF2_DMA_CONTIG 537 select V4L2_MEM2MEM_DEV 538 help 539 Support for the Allwinner DE2 rotation unit. 540 To compile this driver as a module choose m here. 541 542endif # V4L_MEM2MEM_DRIVERS 543 544# TI VIDEO PORT Helper Modules 545# These will be selected by VPE and VIP 546config VIDEO_TI_VPDMA 547 tristate 548 549config VIDEO_TI_SC 550 tristate 551 552config VIDEO_TI_CSC 553 tristate 554 555menuconfig DVB_PLATFORM_DRIVERS 556 bool "DVB platform devices" 557 depends on MEDIA_DIGITAL_TV_SUPPORT 558 help 559 Say Y here to enable support for platform-specific Digital TV drivers. 560 561if DVB_PLATFORM_DRIVERS 562source "drivers/media/platform/sti/c8sectpfe/Kconfig" 563endif #DVB_PLATFORM_DRIVERS 564 565menuconfig SDR_PLATFORM_DRIVERS 566 bool "SDR platform devices" 567 depends on MEDIA_SDR_SUPPORT 568 help 569 Say Y here to enable support for platform-specific SDR Drivers. 570 571if SDR_PLATFORM_DRIVERS 572 573config VIDEO_RCAR_DRIF 574 tristate "Renesas Digital Radio Interface (DRIF)" 575 depends on VIDEO_V4L2 576 depends on ARCH_RENESAS || COMPILE_TEST 577 select VIDEOBUF2_VMALLOC 578 help 579 Say Y if you want to enable R-Car Gen3 DRIF support. DRIF is Digital 580 Radio Interface that interfaces with an RF front end chip. It is a 581 receiver of digital data which uses DMA to transfer received data to 582 a configured location for an application to use. 583 584 To compile this driver as a module, choose M here; the module 585 will be called rcar_drif. 586 587endif # SDR_PLATFORM_DRIVERS 588