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media: qcom: camss: Add callback API for RUP update and buf done

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The RUP registers and buf done irq are moved from the IFE to CSID register
block on recent CAMSS implementations. Add callbacks structure to wrapper
the location change with minimum logic disruption.

Co-developed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Depeng Shao <quic_depengs@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Depeng Shao 2025-01-13 10:01:26 +05:30 • committed by Hans Verkuil
parent 10693fed12
commit d959fed68e
3 changed files with 34 additions and 0 deletions
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9
drivers/media/platform/qcom/camss/camss-csid.h
View file

@ -152,6 +152,14 @@ struct csid_hw_ops {
* @csid: CSID device
*/
void (*subdev_init)(struct csid_device *csid);
/*
* reg_update - receive message from other sub device
* @csid: CSID device
* @port_id: Port id
* @is_clear: Indicate if it is clearing reg update or setting reg update
*/
void (*reg_update)(struct csid_device *csid, int port_id, bool is_clear);
};
struct csid_subdev_resources {
@ -169,6 +177,7 @@ struct csid_device {
void __iomem *base;
u32 irq;
char irq_name[30];
u32 reg_update;
struct camss_clock *clock;
int nclocks;
struct regulator_bulk_data *supplies;

22
drivers/media/platform/qcom/camss/camss.c
View file

@ -2408,6 +2408,28 @@ static int camss_link_entities(struct camss *camss)
return 0;
}
void camss_reg_update(struct camss *camss, int hw_id, int port_id, bool is_clear)
{
struct csid_device *csid;
if (hw_id < camss->res->csid_num) {
csid = &camss->csid[hw_id];
csid->res->hw_ops->reg_update(csid, port_id, is_clear);
}
}
void camss_buf_done(struct camss *camss, int hw_id, int port_id)
{
struct vfe_device *vfe;
if (hw_id < camss->res->vfe_num) {
vfe = &camss->vfe[hw_id];
vfe->res->hw_ops->vfe_buf_done(vfe, port_id);
}
}
/*
* camss_register_entities - Register subdev nodes and create links
* @camss: CAMSS device

3
drivers/media/platform/qcom/camss/camss.h
View file

@ -162,5 +162,8 @@ void camss_pm_domain_off(struct camss *camss, int id);
int camss_vfe_get(struct camss *camss, int id);
void camss_vfe_put(struct camss *camss, int id);
void camss_delete(struct camss *camss);
void camss_buf_done(struct camss *camss, int hw_id, int port_id);
void camss_reg_update(struct camss *camss, int hw_id,
int port_id, bool is_clear);
#endif /* QC_MSM_CAMSS_H */