Re: [PATCH 3/4] media: qcom: camss: Add support for SM8150

[Val Packett <val@packett.cool>]

Hi,

On 11/4/26 5:54 PM, Andrew Gigena via B4 Relay wrote:
> From: Andrew Gigena <mail@andrewgigena.dev>
>
> Add CAMSS platform data for the Qualcomm SM8150 SoC. The camera
> subsystem contains four CSIPHY, four CSID (two full and two lite), two
> VFE and two VFE-Lite instances.
>
> The hardware reuses the existing 3-phase 1.0 CSIPHY, Gen2 CSID and
> VFE 17x implementations; the CSIPHY uses the SC8280XP lane register
> layout. Add CAMSS_8150 to the version enum and to the shared code
> paths, then add the per-block clock, regulator, power domain,
> interrupt and interconnect resources.
>
> Signed-off-by: Andrew Gigena <mail@andrewgigena.dev>
> ---
Wow, what an unbelievable coincidence — I just went looking for this and 
found these patches on gitlab in order to test on the similar sc8180x, 
and half an hour later you've submitted it to the lists! :D
>   .../platform/qcom/camss/camss-csiphy-3ph-1-0.c     |   2 +
>   drivers/media/platform/qcom/camss/camss-vfe.c      |   2 +
>   drivers/media/platform/qcom/camss/camss.c          | 262 +++++++++++++++++++++
>   drivers/media/platform/qcom/camss/camss.h          |   1 +
>   4 files changed, 267 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> index dac8d2ecf799..851decb0691e 100644
> --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> @@ -1141,6 +1141,7 @@ static bool csiphy_is_gen2(u32 version)
>   	case CAMSS_8650:
>   	case CAMSS_8775P:
>   	case CAMSS_X1E80100:
> +	case CAMSS_8150:
It should probably go higher in the sort order, before 8250?
>   		ret = true;
>   		break;
>   	}
> @@ -1236,6 +1237,7 @@ static int csiphy_init(struct csiphy_device *csiphy)
>   		regs->lane_array_size = ARRAY_SIZE(lane_regs_sm8250);
>   		break;
>   	case CAMSS_8280XP:
> +	case CAMSS_8150:
>   		regs->lane_regs = &lane_regs_sc8280xp[0];
>   		regs->lane_array_size = ARRAY_SIZE(lane_regs_sc8280xp);
>   		break;
Interesting, why do these match 8280xp and not, say, 8250?
> diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
> index 2680a9914765..dd28058e98a7 100644
> --- a/drivers/media/platform/qcom/camss/camss-vfe.c
> +++ b/drivers/media/platform/qcom/camss/camss-vfe.c
> @@ -354,6 +354,7 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code,
>   	case CAMSS_8650:
>   	case CAMSS_8775P:
>   	case CAMSS_X1E80100:
> +	case CAMSS_8150:
Sort order here too
>   		switch (sink_code) {
>   		case MEDIA_BUS_FMT_YUYV8_1X16:
>   		{
> @@ -2010,6 +2011,7 @@ static int vfe_bpl_align_rdi(struct vfe_device *vfe)
>   	case CAMSS_8280XP:
>   	case CAMSS_8300:
>   	case CAMSS_845:
> +	case CAMSS_8150:
>   	case CAMSS_8550:
>   	case CAMSS_8650:
>   	case CAMSS_8775P:
> [..]


Thanks,
~val