1 # SPDX-License-Identifier: GPL-2.0-only
4 # Most drivers here are currently for webcam support
6 menuconfig V4L_PLATFORM_DRIVERS
7 bool "V4L platform devices"
9 Say Y here to enable support for platform-specific V4L drivers.
11 if V4L_PLATFORM_DRIVERS
13 source "drivers/media/platform/marvell-ccic/Kconfig"
15 config VIDEO_VIA_CAMERA
16 tristate "VIAFB camera controller support"
17 depends on FB_VIA && VIDEO_V4L2
18 select VIDEOBUF2_DMA_SG
21 Driver support for the integrated camera controller in VIA
22 Chrome9 chipsets. Currently only tested on OLPC xo-1.5 systems
26 # Platform multimedia device configuration
28 source "drivers/media/platform/cadence/Kconfig"
30 source "drivers/media/platform/davinci/Kconfig"
32 source "drivers/media/platform/omap/Kconfig"
35 tristate "Aspeed AST2400 and AST2500 Video Engine driver"
37 select VIDEOBUF2_DMA_CONTIG
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.
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
49 Support for the Video Output Unit (VOU) on SuperH SoCs.
52 tristate "Freescale VIU Video Driver"
53 depends on VIDEO_V4L2 && (PPC_MPC512x || COMPILE_TEST) && I2C
54 select VIDEOBUF_DMA_CONTIG
57 Support for Freescale VIU video driver. This device captures
58 video data, or overlays video on DIU frame buffer.
60 Say Y here if you want to enable VIU device on MPC5121e Rev2+.
64 tristate "Video Multiplexer"
66 depends on VIDEO_V4L2 && OF
67 select MEDIA_CONTROLLER
68 select VIDEO_V4L2_SUBDEV_API
72 This driver provides support for N:1 video bus multiplexers.
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
86 Driver for an OMAP 3 camera controller.
88 config VIDEO_OMAP3_DEBUG
89 bool "OMAP 3 Camera debug messages"
90 depends on VIDEO_OMAP3
92 Enable debug messages on OMAP 3 camera controller driver.
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
102 This is a v4l2 driver for the PXA27x Quick Capture Interface
104 config 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
113 config 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
121 This is a v4l2 driver for s3c24xx and s3c64xx SoC series camera
122 host interface (CAMIF).
124 To compile this driver as a module, choose M here: the module
125 will be called s3c-camif.
127 config 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
135 This module makes the STM32 Digital Camera Memory Interface (DCMI)
136 available as a v4l2 device.
138 To compile this driver as a module, choose M here: the module
139 will be called stm32-dcmi.
141 config 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
148 This is a v4l2 driver for the Renesas CEU Interface
150 config VIDEO_ROCKCHIP_ISP1
151 tristate "Rockchip Image Signal Processing v1 Unit driver"
152 depends on VIDEO_V4L2 && OF
153 depends on ARCH_ROCKCHIP || COMPILE_TEST
154 select MEDIA_CONTROLLER
155 select VIDEO_V4L2_SUBDEV_API
156 select VIDEOBUF2_DMA_CONTIG
157 select VIDEOBUF2_VMALLOC
159 select GENERIC_PHY_MIPI_DPHY
162 Enable this to support the Image Signal Processing (ISP) module
163 present in RK3399 SoCs.
165 To compile this driver as a module, choose M here: the module
166 will be called rockchip-isp1.
168 source "drivers/media/platform/exynos4-is/Kconfig"
169 source "drivers/media/platform/am437x/Kconfig"
170 source "drivers/media/platform/xilinx/Kconfig"
171 source "drivers/media/platform/rcar-vin/Kconfig"
172 source "drivers/media/platform/atmel/Kconfig"
173 source "drivers/media/platform/bcm2835/Kconfig"
174 source "drivers/media/platform/sunxi/Kconfig"
177 tristate "TI CAL (Camera Adaptation Layer) driver"
178 depends on VIDEO_DEV && VIDEO_V4L2
179 select MEDIA_CONTROLLER
180 select VIDEO_V4L2_SUBDEV_API
181 depends on SOC_DRA7XX || ARCH_K3 || COMPILE_TEST
182 select VIDEOBUF2_DMA_CONTIG
185 Support for the TI CAL (Camera Adaptation Layer) block
187 In TI Technical Reference Manual this module is referred as
188 Camera Interface Subsystem (CAMSS).
192 config VIDEO_TI_CAL_MC
193 bool "Media Controller centric mode by default"
196 Enables Media Controller centric mode by default.
198 If set, CAL driver will start in Media Controller mode by
199 default. Note that this behavior can be overridden via
200 module parameter 'mc_api'.
204 endif # V4L_PLATFORM_DRIVERS
206 menuconfig V4L_MEM2MEM_DRIVERS
207 bool "Memory-to-memory multimedia devices"
208 depends on VIDEO_V4L2
210 Say Y here to enable selecting drivers for V4L devices that
211 use system memory for both source and destination buffers, as opposed
212 to capture and output drivers, which use memory buffers for just
215 if V4L_MEM2MEM_DRIVERS
217 config VIDEO_ALLEGRO_DVT
218 tristate "Allegro DVT Video IP Core"
219 depends on VIDEO_DEV && VIDEO_V4L2
220 depends on ARCH_ZYNQMP || COMPILE_TEST
221 select V4L2_MEM2MEM_DEV
222 select VIDEOBUF2_DMA_CONTIG
225 Support for the encoder video IP core by Allegro DVT. This core is
226 found for example on the Xilinx ZynqMP SoC in the EV family and is
227 called VCU in the reference manual.
229 To compile this driver as a module, choose M here: the module
230 will be called allegro.
233 tristate "Chips&Media Coda multi-standard codec IP"
234 depends on VIDEO_DEV && VIDEO_V4L2 && OF && (ARCH_MXC || COMPILE_TEST)
236 select VIDEOBUF2_DMA_CONTIG
237 select VIDEOBUF2_VMALLOC
238 select V4L2_JPEG_HELPER
239 select V4L2_MEM2MEM_DEV
240 select GENERIC_ALLOCATOR
242 Coda is a range of video codec IPs that supports
243 H.264, MPEG-4, and other video formats.
245 config VIDEO_IMX_VDOA
246 def_tristate VIDEO_CODA if SOC_IMX6Q || COMPILE_TEST
249 tristate "i.MX Pixel Pipeline (PXP)"
250 depends on VIDEO_DEV && VIDEO_V4L2 && (ARCH_MXC || COMPILE_TEST)
251 select VIDEOBUF2_DMA_CONTIG
252 select V4L2_MEM2MEM_DEV
254 The i.MX Pixel Pipeline is a memory-to-memory engine for scaling,
255 color space conversion, and rotation.
257 source "drivers/media/platform/imx-jpeg/Kconfig"
259 config VIDEO_MEDIATEK_JPEG
260 tristate "Mediatek JPEG Codec driver"
261 depends on MTK_IOMMU_V1 || MTK_IOMMU || COMPILE_TEST
262 depends on VIDEO_DEV && VIDEO_V4L2
263 depends on ARCH_MEDIATEK || COMPILE_TEST
264 depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
265 select VIDEOBUF2_DMA_CONTIG
266 select V4L2_MEM2MEM_DEV
268 Mediatek jpeg codec driver provides HW capability to decode
271 To compile this driver as a module, choose M here: the
272 module will be called mtk-jpeg
274 config VIDEO_MEDIATEK_VPU
275 tristate "Mediatek Video Processor Unit"
276 depends on VIDEO_DEV && VIDEO_V4L2
277 depends on ARCH_MEDIATEK || COMPILE_TEST
279 This driver provides downloading VPU firmware and
280 communicating with VPU. This driver for hw video
281 codec embedded in Mediatek's MT8173 SOCs. It is able
282 to handle video decoding/encoding in a range of formats.
284 To compile this driver as a module, choose M here: the
285 module will be called mtk-vpu.
287 config VIDEO_MEDIATEK_MDP
288 tristate "Mediatek MDP driver"
289 depends on MTK_IOMMU || COMPILE_TEST
290 depends on VIDEO_DEV && VIDEO_V4L2
291 depends on ARCH_MEDIATEK || COMPILE_TEST
292 depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
293 select VIDEOBUF2_DMA_CONTIG
294 select V4L2_MEM2MEM_DEV
295 select VIDEO_MEDIATEK_VPU
297 It is a v4l2 driver and present in Mediatek MT8173 SoCs.
298 The driver supports for scaling and color space conversion.
300 To compile this driver as a module, choose M here: the
301 module will be called mtk-mdp.
303 config VIDEO_MEDIATEK_VCODEC
304 tristate "Mediatek Video Codec driver"
305 depends on MTK_IOMMU || COMPILE_TEST
306 depends on VIDEO_DEV && VIDEO_V4L2
307 depends on ARCH_MEDIATEK || COMPILE_TEST
308 depends on VIDEO_MEDIATEK_VPU || MTK_SCP
309 # The two following lines ensure we have the same state ("m" or "y") as
310 # our dependencies, to avoid missing symbols during link.
311 depends on VIDEO_MEDIATEK_VPU || !VIDEO_MEDIATEK_VPU
312 depends on MTK_SCP || !MTK_SCP
313 depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
314 select VIDEOBUF2_DMA_CONTIG
315 select V4L2_MEM2MEM_DEV
316 select VIDEO_MEDIATEK_VCODEC_VPU if VIDEO_MEDIATEK_VPU
317 select VIDEO_MEDIATEK_VCODEC_SCP if MTK_SCP
319 Mediatek video codec driver provides HW capability to
320 encode and decode in a range of video formats on MT8173
323 Note that support for MT8173 requires VIDEO_MEDIATEK_VPU to
324 also be selected. Support for MT8183 depends on MTK_SCP.
326 To compile this driver as modules, choose M here: the
327 modules will be called mtk-vcodec-dec and mtk-vcodec-enc.
329 config VIDEO_MEDIATEK_VCODEC_VPU
332 config VIDEO_MEDIATEK_VCODEC_SCP
335 config VIDEO_MEM2MEM_DEINTERLACE
336 tristate "Deinterlace support"
337 depends on VIDEO_DEV && VIDEO_V4L2
339 select VIDEOBUF2_DMA_CONTIG
340 select V4L2_MEM2MEM_DEV
342 Generic deinterlacing V4L2 driver.
344 config VIDEO_MESON_GE2D
345 tristate "Amlogic 2D Graphic Acceleration Unit"
346 depends on VIDEO_DEV && VIDEO_V4L2
347 depends on ARCH_MESON || COMPILE_TEST
348 select VIDEOBUF2_DMA_CONTIG
349 select V4L2_MEM2MEM_DEV
351 This is a v4l2 driver for Amlogic GE2D 2D graphics accelerator.
352 GE2D is a standalone 2D graphic acceleration unit, with color converter,
353 image scaling, BitBLT & alpha blending operations.
355 To compile this driver as a module choose m here.
357 config VIDEO_SAMSUNG_S5P_G2D
358 tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver"
359 depends on VIDEO_DEV && VIDEO_V4L2
360 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
361 select VIDEOBUF2_DMA_CONTIG
362 select V4L2_MEM2MEM_DEV
364 This is a v4l2 driver for Samsung S5P and EXYNOS4 G2D
365 2d graphics accelerator.
367 config VIDEO_SAMSUNG_S5P_JPEG
368 tristate "Samsung S5P/Exynos3250/Exynos4 JPEG codec driver"
369 depends on VIDEO_DEV && VIDEO_V4L2
370 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
371 select VIDEOBUF2_DMA_CONTIG
372 select V4L2_MEM2MEM_DEV
374 This is a v4l2 driver for Samsung S5P, EXYNOS3250
375 and EXYNOS4 JPEG codec
377 config VIDEO_SAMSUNG_S5P_MFC
378 tristate "Samsung S5P MFC Video Codec"
379 depends on VIDEO_DEV && VIDEO_V4L2
380 depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
381 select VIDEOBUF2_DMA_CONTIG
383 MFC 5.1 and 6.x driver for V4L2
385 config VIDEO_MX2_EMMAPRP
386 tristate "MX2 eMMa-PrP support"
387 depends on VIDEO_DEV && VIDEO_V4L2
388 depends on SOC_IMX27 || COMPILE_TEST
389 select VIDEOBUF2_DMA_CONTIG
390 select V4L2_MEM2MEM_DEV
392 MX2X chips have a PrP that can be used to process buffers from
393 memory to memory. Operations include resizing and format
396 config VIDEO_SAMSUNG_EXYNOS_GSC
397 tristate "Samsung Exynos G-Scaler driver"
398 depends on VIDEO_DEV && VIDEO_V4L2
399 depends on ARCH_EXYNOS || COMPILE_TEST
400 select VIDEOBUF2_DMA_CONTIG
401 select V4L2_MEM2MEM_DEV
403 This is a v4l2 driver for Samsung EXYNOS5 SoC G-Scaler.
405 config VIDEO_STI_BDISP
406 tristate "STMicroelectronics BDISP 2D blitter driver"
407 depends on VIDEO_DEV && VIDEO_V4L2
408 depends on ARCH_STI || COMPILE_TEST
409 select VIDEOBUF2_DMA_CONTIG
410 select V4L2_MEM2MEM_DEV
412 This v4l2 mem2mem driver is a 2D blitter for STMicroelectronics SoC.
415 tristate "STMicroelectronics HVA multi-format video encoder V4L2 driver"
416 depends on VIDEO_DEV && VIDEO_V4L2
417 depends on ARCH_STI || COMPILE_TEST
418 select VIDEOBUF2_DMA_CONTIG
419 select V4L2_MEM2MEM_DEV
421 This V4L2 driver enables HVA (Hardware Video Accelerator) multi-format
422 video encoder of STMicroelectronics SoC, allowing hardware encoding of
423 raw uncompressed formats in various compressed video bitstreams format.
425 To compile this driver as a module, choose M here:
426 the module will be called st-hva.
428 config VIDEO_STI_HVA_DEBUGFS
429 bool "Export STMicroelectronics HVA internals in debugfs"
430 depends on VIDEO_STI_HVA
433 Select this to see information about the internal state and the last
434 operation of STMicroelectronics HVA multi-format video encoder in
437 Choose N unless you know you need this.
439 config VIDEO_STI_DELTA
440 tristate "STMicroelectronics DELTA multi-format video decoder V4L2 driver"
441 depends on VIDEO_DEV && VIDEO_V4L2
442 depends on ARCH_STI || COMPILE_TEST
444 This V4L2 driver enables DELTA multi-format video decoder
445 of STMicroelectronics STiH4xx SoC series allowing hardware
446 decoding of various compressed video bitstream format in
447 raw uncompressed format.
449 Use this option to see the decoders available for such
452 Please notice that the driver will only be built if
453 at least one of the DELTA decoder below is selected.
457 config VIDEO_STI_DELTA_MJPEG
458 bool "STMicroelectronics DELTA MJPEG support"
461 Enables DELTA MJPEG hardware support.
463 To compile this driver as a module, choose M here:
464 the module will be called st-delta.
466 config VIDEO_STI_DELTA_DRIVER
468 depends on VIDEO_STI_DELTA
469 depends on VIDEO_STI_DELTA_MJPEG
470 default VIDEO_STI_DELTA_MJPEG
471 select VIDEOBUF2_DMA_CONTIG
472 select V4L2_MEM2MEM_DEV
475 endif # VIDEO_STI_DELTA
477 config VIDEO_RENESAS_FDP1
478 tristate "Renesas Fine Display Processor"
479 depends on VIDEO_DEV && VIDEO_V4L2
480 depends on ARCH_RENESAS || COMPILE_TEST
481 depends on (!ARM64 && !VIDEO_RENESAS_FCP) || VIDEO_RENESAS_FCP
482 select VIDEOBUF2_DMA_CONTIG
483 select V4L2_MEM2MEM_DEV
485 This is a V4L2 driver for the Renesas Fine Display Processor
486 providing colour space conversion, and de-interlacing features.
488 To compile this driver as a module, choose M here: the module
489 will be called rcar_fdp1.
491 config VIDEO_RENESAS_JPU
492 tristate "Renesas JPEG Processing Unit"
493 depends on VIDEO_DEV && VIDEO_V4L2
494 depends on ARCH_RENESAS || COMPILE_TEST
495 select VIDEOBUF2_DMA_CONTIG
496 select V4L2_MEM2MEM_DEV
498 This is a V4L2 driver for the Renesas JPEG Processing Unit.
500 To compile this driver as a module, choose M here: the module
501 will be called rcar_jpu.
503 config VIDEO_RENESAS_FCP
504 tristate "Renesas Frame Compression Processor"
505 depends on ARCH_RENESAS || COMPILE_TEST
508 This is a driver for the Renesas Frame Compression Processor (FCP).
509 The FCP is a companion module of video processing modules in the
510 Renesas R-Car Gen3 and RZ/G2 SoCs. It handles memory access for
511 the codec, VSP and FDP modules.
513 To compile this driver as a module, choose M here: the module
514 will be called rcar-fcp.
516 config VIDEO_RENESAS_VSP1
517 tristate "Renesas VSP1 Video Processing Engine"
518 depends on VIDEO_V4L2
519 depends on ARCH_RENESAS || COMPILE_TEST
520 depends on (!ARM64 && !VIDEO_RENESAS_FCP) || VIDEO_RENESAS_FCP
521 select MEDIA_CONTROLLER
522 select VIDEO_V4L2_SUBDEV_API
523 select VIDEOBUF2_DMA_CONTIG
524 select VIDEOBUF2_VMALLOC
526 This is a V4L2 driver for the Renesas VSP1 video processing engine.
528 To compile this driver as a module, choose M here: the module
531 config VIDEO_ROCKCHIP_RGA
532 tristate "Rockchip Raster 2d Graphic Acceleration Unit"
533 depends on VIDEO_DEV && VIDEO_V4L2
534 depends on ARCH_ROCKCHIP || COMPILE_TEST
535 select VIDEOBUF2_DMA_SG
536 select V4L2_MEM2MEM_DEV
538 This is a v4l2 driver for Rockchip SOC RGA 2d graphics accelerator.
539 Rockchip RGA is a separate 2D raster graphic acceleration unit.
540 It accelerates 2D graphics operations, such as point/line drawing,
541 image scaling, rotation, BitBLT, alpha blending and image blur/sharpness.
543 To compile this driver as a module choose m here.
546 tristate "TI VPE (Video Processing Engine) driver"
547 depends on VIDEO_DEV && VIDEO_V4L2
548 depends on SOC_DRA7XX || COMPILE_TEST
549 select VIDEOBUF2_DMA_CONTIG
550 select V4L2_MEM2MEM_DEV
551 select VIDEO_TI_VPDMA
555 Support for the TI VPE(Video Processing Engine) block
558 config VIDEO_TI_VPE_DEBUG
559 bool "VPE debug messages"
560 depends on VIDEO_TI_VPE
562 Enable debug messages on VPE driver.
564 config VIDEO_QCOM_VENUS
565 tristate "Qualcomm Venus V4L2 encoder/decoder driver"
566 depends on VIDEO_DEV && VIDEO_V4L2 && QCOM_SMEM
567 depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
568 select QCOM_MDT_LOADER if ARCH_QCOM
570 select VIDEOBUF2_DMA_CONTIG
571 select V4L2_MEM2MEM_DEV
573 This is a V4L2 driver for Qualcomm Venus video accelerator
574 hardware. It accelerates encoding and decoding operations
575 on various Qualcomm SoCs.
576 To compile this driver as a module choose m here.
578 config VIDEO_SUN8I_DEINTERLACE
579 tristate "Allwinner Deinterlace driver"
580 depends on VIDEO_DEV && VIDEO_V4L2
581 depends on ARCH_SUNXI || COMPILE_TEST
582 depends on COMMON_CLK && OF
584 select VIDEOBUF2_DMA_CONTIG
585 select V4L2_MEM2MEM_DEV
587 Support for the Allwinner deinterlace unit with scaling
588 capability found on some SoCs, like H3.
589 To compile this driver as a module choose m here.
591 config VIDEO_SUN8I_ROTATE
592 tristate "Allwinner DE2 rotation driver"
593 depends on VIDEO_DEV && VIDEO_V4L2
594 depends on ARCH_SUNXI || COMPILE_TEST
595 depends on COMMON_CLK && OF
597 select VIDEOBUF2_DMA_CONTIG
598 select V4L2_MEM2MEM_DEV
600 Support for the Allwinner DE2 rotation unit.
601 To compile this driver as a module choose m here.
603 endif # V4L_MEM2MEM_DRIVERS
605 # TI VIDEO PORT Helper Modules
606 # These will be selected by VPE and VIP
607 config VIDEO_TI_VPDMA
616 menuconfig DVB_PLATFORM_DRIVERS
617 bool "DVB platform devices"
618 depends on MEDIA_DIGITAL_TV_SUPPORT
620 Say Y here to enable support for platform-specific Digital TV drivers.
622 if DVB_PLATFORM_DRIVERS
623 source "drivers/media/platform/sti/c8sectpfe/Kconfig"
624 endif #DVB_PLATFORM_DRIVERS
626 menuconfig SDR_PLATFORM_DRIVERS
627 bool "SDR platform devices"
628 depends on MEDIA_SDR_SUPPORT
630 Say Y here to enable support for platform-specific SDR Drivers.
632 if SDR_PLATFORM_DRIVERS
634 config VIDEO_RCAR_DRIF
635 tristate "Renesas Digital Radio Interface (DRIF)"
636 depends on VIDEO_V4L2
637 depends on ARCH_RENESAS || COMPILE_TEST
638 select VIDEOBUF2_VMALLOC
640 Say Y if you want to enable R-Car Gen3 DRIF support. DRIF is Digital
641 Radio Interface that interfaces with an RF front end chip. It is a
642 receiver of digital data which uses DMA to transfer received data to
643 a configured location for an application to use.
645 To compile this driver as a module, choose M here; the module
646 will be called rcar_drif.
648 endif # SDR_PLATFORM_DRIVERS