Hi Dafna, Thanks for the patch. On 7/23/20 10:20 AM, Dafna Hirschfeld wrote: > The capture devices supports YUV, RGB, and Bayer formats. > Adding V4L2_CAP_IO_MC capability will reflect userspace > what format should be set on the resizer in order to stream > each of the video formats. > > The patch adds a 'mbus' field to the struct > 'rkisp1_capture_fmt_cfg' which maps the video format > to the needed mbus format. > > Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx> > --- > drivers/staging/media/rkisp1/rkisp1-capture.c | 60 +++++++++++++++++-- > 1 file changed, 56 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c > index 27efec004686..5dd91b5f82a4 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-capture.c > +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c > @@ -49,12 +49,14 @@ enum rkisp1_plane { > * @uv_swap: if cb cr swaped, for yuv > * @write_format: defines how YCbCr self picture data is written to memory > * @output_format: defines sp output format > + * @mbus: the mbus code on the src resizer pad that matches the pixel format > */ > struct rkisp1_capture_fmt_cfg { > u32 fourcc; > u8 uv_swap; > u32 write_format; > u32 output_format; > + u32 mbus; > }; > > struct rkisp1_capture_ops { > @@ -88,92 +90,116 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = { > .fourcc = V4L2_PIX_FMT_YUYV, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_YUV422P, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_NV16, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_NV61, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_YVU422M, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, > /* yuv420 */ > { > .fourcc = V4L2_PIX_FMT_NV21, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_NV12, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_NV21M, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_NV12M, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_YUV420, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_YVU420, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, > /* yuv400 */ > { > .fourcc = V4L2_PIX_FMT_GREY, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, > /* raw */ > { > .fourcc = V4L2_PIX_FMT_SRGGB8, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_SRGGB8_1X8, > }, { > .fourcc = V4L2_PIX_FMT_SGRBG8, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_SGRBG8_1X8, > }, { > .fourcc = V4L2_PIX_FMT_SGBRG8, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_SGBRG8_1X8, > }, { > .fourcc = V4L2_PIX_FMT_SBGGR8, > .write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8, > + .mbus = MEDIA_BUS_FMT_SBGGR8_1X8, > }, { > .fourcc = V4L2_PIX_FMT_SRGGB10, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SRGGB10_1X10, > }, { > .fourcc = V4L2_PIX_FMT_SGRBG10, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SGRBG10_1X10, > }, { > .fourcc = V4L2_PIX_FMT_SGBRG10, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SGBRG10_1X10, > }, { > .fourcc = V4L2_PIX_FMT_SBGGR10, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SBGGR10_1X10, > }, { > .fourcc = V4L2_PIX_FMT_SRGGB12, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SRGGB12_1X12, > }, { > .fourcc = V4L2_PIX_FMT_SGRBG12, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SGRBG12_1X12, > }, { > .fourcc = V4L2_PIX_FMT_SGBRG12, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SGBRG12_1X12, > }, { > .fourcc = V4L2_PIX_FMT_SBGGR12, > .write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12, > + .mbus = MEDIA_BUS_FMT_SBGGR12_1X12, > }, > }; > > @@ -184,26 +210,31 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_INT, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_YUV422P, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_NV16, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_NV61, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_YVU422M, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, > /* yuv420 */ > { > @@ -211,31 +242,37 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_NV12, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_NV21M, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_NV12M, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_YUV420, > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, { > .fourcc = V4L2_PIX_FMT_YVU420, > .uv_swap = 1, > .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420, > + .mbus = MEDIA_BUS_FMT_YUYV8_1_5X8, > }, > /* yuv400 */ > { > @@ -243,16 +280,19 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = { > .uv_swap = 0, > .write_format = RKISP1_MI_CTRL_SP_WRITE_INT, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV400, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, > /* rgb */ > { > .fourcc = V4L2_PIX_FMT_XBGR32, > .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB888, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, { > .fourcc = V4L2_PIX_FMT_RGB565, > .write_format = RKISP1_MI_CTRL_SP_WRITE_PLA, > .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB565, > + .mbus = MEDIA_BUS_FMT_YUYV8_2X8, > }, > }; > > @@ -1107,11 +1147,23 @@ static int rkisp1_enum_fmt_vid_cap_mplane(struct file *file, void *priv, > struct rkisp1_capture *cap = video_drvdata(file); > const struct rkisp1_capture_fmt_cfg *fmt = NULL; > > - if (f->index >= cap->config->fmt_size) > + if (f->mbus_code) { > + int i, n = 0; unsigned > + > + for (i = 0; i < cap->config->fmt_size; i++) > + if (cap->config->fmts[i].mbus == f->mbus_code) > + if (n++ == f->index) { > + f->pixelformat = cap->config->fmts[i].fourcc; > + return 0; > + } > return -EINVAL; > + } else { > + if (f->index >= cap->config->fmt_size) > + return -EINVAL; > > - fmt = &cap->config->fmts[f->index]; > - f->pixelformat = fmt->fourcc; > + fmt = &cap->config->fmts[f->index]; > + f->pixelformat = fmt->fourcc; > + } > > return 0; Maybe remove one level of indentation by checking first: if (!f->mbus_code) { ... return 0; } // the else case without an else statement Thanks, Helen > } > @@ -1261,7 +1313,7 @@ static int rkisp1_register_capture(struct rkisp1_capture *cap) > vdev->v4l2_dev = v4l2_dev; > vdev->lock = &node->vlock; > vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | > - V4L2_CAP_STREAMING; > + V4L2_CAP_STREAMING | V4L2_CAP_IO_MC; > vdev->entity.ops = &rkisp1_media_ops; > video_set_drvdata(vdev, cap); > vdev->vfl_dir = VFL_DIR_RX; >