[PATCH v1 06/10] media: platform: mediatek: add isp_7x utility

CK Hu (胡俊光) ck.hu at mediatek.com
Tue Nov 19 00:23:12 PST 2024


Hi, Shu-hsiang:

On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote:
> Introduces utility files for the MediaTek ISP7.x camsys driver. These
> utilities provide essential platform definitions, debugging tools, and
> management functions to support ISP operations and SCP communication.
> Key functionalities include:
> 1.Hardware pipeline and register definitions for managing image
> processing modules.
> 2.DMA debugging utilities and buffer management functions.
> 3.Definitions of supported image formats for proper data handling.
> 4.IPI and SCP communication structures for module state management and
> configuring ISP.
> 5.Metadata parameters for configuring image processing.
> 
> Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang at mediatek.com>
> ---

[snip]

> +struct mtkcam_ipi_config_param {
> +	u8	flags;
> +	struct mtkcam_ipi_input_param	input;
> +	u8	n_maps;

Driver always set n_maps = 1, when would it be other value?
If it is always 1, drop it and let firmware just support 1.

> +	/* maximum # of pipes per stream */
> +	struct mtkcam_ipi_hw_mapping maps[6];
> +	/* sub_ratio:8, valid number: 8 */
> +	u16	valid_numbers[MTKCAM_IPI_FBCX_LAST];

valid_numbers is useless, so drop it.

Regards,
CK

> +	u8	sw_feature;
> +} __packed;
> +



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