Hi Niklas, Thank you for the review. On Wed, Mar 4, 2020 at 8:55 PM Niklas <niklas.soderlund@xxxxxxxxxxxx> wrote: > > Hi Lad, > > Thanks for your work. > > On 2020-02-28 16:50:11 +0000, Lad Prabhakar wrote: > > Most of the RZ/G2x boards can support capturing frames in SRGGB8_1X8 > > format, add support for this with a runtime check that the running > > hardware supports it. > > Where is the runtime check for supported hardware? Also out of curiosity > which boars can't support SRGGB and what setup are you using to test > SRGGB capture? > My bad l'll drop the statement "runtime check for supported hardware". All the G2x boards support SRGGB8. I am currently testing this on a G2E board connected with a mipi adapter (https://www.96boards.org/product/mipiadapter/) and raspberry pi camera module (https://www.raspberrypi.org/products/camera-module-v2/). > > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > --- > > drivers/media/platform/rcar-vin/rcar-core.c | 1 + > > drivers/media/platform/rcar-vin/rcar-csi2.c | 1 + > > drivers/media/platform/rcar-vin/rcar-dma.c | 14 ++++++++++++-- > > drivers/media/platform/rcar-vin/rcar-v4l2.c | 4 ++++ > > This patch shall be split in two. One which touches rcar-csi2.c and one > for the other files as they are two different drivers. > sure will split this patch into two. > > 4 files changed, 18 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c > > index 7440c8965d27..76daf2fe5bcd 100644 > > --- a/drivers/media/platform/rcar-vin/rcar-core.c > > +++ b/drivers/media/platform/rcar-vin/rcar-core.c > > @@ -469,6 +469,7 @@ static int rvin_parallel_subdevice_attach(struct rvin_dev *vin, > > case MEDIA_BUS_FMT_UYVY8_2X8: > > case MEDIA_BUS_FMT_UYVY10_2X10: > > case MEDIA_BUS_FMT_RGB888_1X24: > > + case MEDIA_BUS_FMT_SRGGB8_1X8: > > vin->mbus_code = code.code; > > vin_dbg(vin, "Found media bus format for %s: %d\n", > > subdev->name, vin->mbus_code); > > diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c > > index 5b04e4768eb1..97e4886f63f0 100644 > > --- a/drivers/media/platform/rcar-vin/rcar-csi2.c > > +++ b/drivers/media/platform/rcar-vin/rcar-csi2.c > > @@ -320,6 +320,7 @@ static const struct rcar_csi2_format rcar_csi2_formats[] = { > > { .code = MEDIA_BUS_FMT_YUYV8_1X16, .datatype = 0x1e, .bpp = 16 }, > > { .code = MEDIA_BUS_FMT_UYVY8_2X8, .datatype = 0x1e, .bpp = 16 }, > > { .code = MEDIA_BUS_FMT_YUYV10_2X10, .datatype = 0x1e, .bpp = 20 }, > > + { .code = MEDIA_BUS_FMT_SRGGB8_1X8, .datatype = 0x2a, .bpp = 8 }, > > }; > > > > static const struct rcar_csi2_format *rcsi2_code_to_fmt(unsigned int code) > > diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c > > index 1a30cd036371..63709b4bbf7a 100644 > > --- a/drivers/media/platform/rcar-vin/rcar-dma.c > > +++ b/drivers/media/platform/rcar-vin/rcar-dma.c > > @@ -85,6 +85,7 @@ > > #define VNMC_INF_YUV8_BT601 (1 << 16) > > #define VNMC_INF_YUV10_BT656 (2 << 16) > > #define VNMC_INF_YUV10_BT601 (3 << 16) > > +#define VNMC_INF_RAW8 (4 << 16) > > #define VNMC_INF_YUV16 (5 << 16) > > #define VNMC_INF_RGB888 (6 << 16) > > #define VNMC_VUP (1 << 10) > > @@ -587,13 +588,15 @@ void rvin_crop_scale_comp(struct rvin_dev *vin) > > rvin_write(vin, vin->crop.top, VNSLPRC_REG); > > rvin_write(vin, vin->crop.top + vin->crop.height - 1, VNELPRC_REG); > > > > - > > /* TODO: Add support for the UDS scaler. */ > > if (vin->info->model != RCAR_GEN3) > > rvin_crop_scale_comp_gen2(vin); > > > > fmt = rvin_format_from_pixel(vin, vin->format.pixelformat); > > - stride = vin->format.bytesperline / fmt->bpp; > > + if (vin->format.pixelformat == V4L2_PIX_FMT_SRGGB8) > > + stride = ALIGN(vin->format.bytesperline / 2, 0x10); > > + else > > + stride = vin->format.bytesperline / fmt->bpp; > > This does not look right, you should to move this logic into > rvin_format_bytesperline(). > sure will move it. Cheers, --Prabhakar > > rvin_write(vin, stride, VNIS_REG); > > } > > > > @@ -676,6 +679,9 @@ static int rvin_setup(struct rvin_dev *vin) > > > > input_is_yuv = true; > > break; > > + case MEDIA_BUS_FMT_SRGGB8_1X8: > > + vnmc |= VNMC_INF_RAW8; > > + break; > > default: > > break; > > } > > @@ -737,6 +743,9 @@ static int rvin_setup(struct rvin_dev *vin) > > case V4L2_PIX_FMT_ABGR32: > > dmr = VNDMR_A8BIT(vin->alpha) | VNDMR_EXRGB | VNDMR_DTMD_ARGB; > > break; > > + case V4L2_PIX_FMT_SRGGB8: > > + dmr = 0; > > + break; > > default: > > vin_err(vin, "Invalid pixelformat (0x%x)\n", > > vin->format.pixelformat); > > @@ -1110,6 +1119,7 @@ static int rvin_mc_validate_format(struct rvin_dev *vin, struct v4l2_subdev *sd, > > case MEDIA_BUS_FMT_UYVY8_2X8: > > case MEDIA_BUS_FMT_UYVY10_2X10: > > case MEDIA_BUS_FMT_RGB888_1X24: > > + case MEDIA_BUS_FMT_SRGGB8_1X8: > > vin->mbus_code = fmt.format.code; > > break; > > default: > > diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c > > index b12b3f88836a..d56cf85ba065 100644 > > --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c > > +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c > > @@ -66,6 +66,10 @@ static const struct rvin_video_format rvin_formats[] = { > > .fourcc = V4L2_PIX_FMT_ABGR32, > > .bpp = 4, > > }, > > + { > > + .fourcc = V4L2_PIX_FMT_SRGGB8, > > + .bpp = 1, > > + }, > > }; > > > > const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin, > > -- > > 2.20.1 > > > > -- > Regards, > Niklas Söderlund
