[PATCH v1 05/10] media: platform: mediatek: add isp_7x camsys unit

[CK Hu (胡俊光)]

Hi, Shu-hsiang:

On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote:
> Introduces the top media device driver for the MediaTek ISP7X CAMSYS.
> The driver maintains the camera system, including sub-device management,
> DMA operations, and integration with the V4L2 framework. It handles
> request stream data, buffer management, and MediaTek-specific features,
> and pipeline management, streaming control, error handling mechanism.
> Additionally, it aggregates sub-drivers for the camera interface, raw
> and yuv pipelines.
> 
> Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang at mediatek.com>
> ---

[snip]

> +static void mtk_cam_config_raw_path(struct mtk_cam_device *cam,
> +				    struct mtkcam_ipi_frame_param *frame_param,
> +				    struct mtk_cam_buffer *buf)
> +{
> +	struct mtk_cam_video_device *node;
> +	struct mtk_raw_pipeline *raw_pipeline;
> +
> +	node = mtk_cam_vbq_to_vdev(buf->vbb.vb2_buf.vb2_queue);
> +	raw_pipeline = mtk_cam_dev_get_raw_pipeline(cam, node->uid.pipe_id);
> +	if (!raw_pipeline) {
> +		dev_err(cam->dev, "%s: cannot find raw_pipeline, pipe_id:%d\n",
> +			__func__, node->uid.pipe_id);
> +		return;
> +	}
> +
> +	if (raw_pipeline->res_config.raw_path == V4L2_MTK_CAM_RAW_PATH_SELECT_BPC)
> +		frame_param->raw_param.imgo_path_sel = MTKCAM_IPI_IMGO_AFTER_BPC;
> +	else if (raw_pipeline->res_config.raw_path == V4L2_MTK_CAM_RAW_PATH_SELECT_FUS)
> +		frame_param->raw_param.imgo_path_sel = MTKCAM_IPI_IMGO_AFTER_FUS;
> +	else if (raw_pipeline->res_config.raw_path == V4L2_MTK_CAM_RAW_PATH_SELECT_DGN)
> +		frame_param->raw_param.imgo_path_sel = MTKCAM_IPI_IMGO_AFTER_DGN;
> +	else if (raw_pipeline->res_config.raw_path == V4L2_MTK_CAM_RAW_PATH_SELECT_LSC)
> +		frame_param->raw_param.imgo_path_sel = MTKCAM_IPI_IMGO_AFTER_LSC;
> +	else if (raw_pipeline->res_config.raw_path == V4L2_MTK_CAM_RAW_PATH_SELECT_LTM)
> +		frame_param->raw_param.imgo_path_sel = MTKCAM_IPI_IMGO_AFTER_LTM;
> +	else
> +		/* un-processed raw frame */
> +		frame_param->raw_param.imgo_path_sel = MTKCAM_IPI_IMGO_UNPROCESSED;

This patch is too big, so let this patch support basic function first.
Let this patch support only MTKCAM_IPI_IMGO_UNPROCESSED,
and add other path by other patch. Maybe one patch for one path.

Regards,
CK


> +
> +	dev_dbg(cam->dev, "%s: node:%d fd:%d idx:%d raw_path(%d) ipi imgo_path_sel(%d))\n",
> +		__func__, node->desc.id, buf->vbb.request_fd, buf->vbb.vb2_buf.index,
> +		raw_pipeline->res_config.raw_path, frame_param->raw_param.imgo_path_sel);
> +}
> +
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