linux-kernel - [PATCH v9 09/16] media: qcom: camss: Add callback API for RUP update and buf done

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250113043133.1387162-10-quic_depengs@quicinc.com>
Date: Mon, 13 Jan 2025 10:01:26 +0530
From: Depeng Shao <quic_depengs@...cinc.com>
To: <rfoss@...nel.org>, <todor.too@...il.com>, <bryan.odonoghue@...aro.org>,
        <mchehab@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <vladimir.zapolskiy@...aro.org>,
        <hverkuil@...all.nl>
CC: <quic_eberman@...cinc.com>, <quic_depengs@...cinc.com>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...cinc.com>
Subject: [PATCH v9 09/16] media: qcom: camss: Add callback API for RUP update and buf done

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@...aro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Signed-off-by: Depeng Shao <quic_depengs@...cinc.com>
---
 .../media/platform/qcom/camss/camss-csid.h    |  9 ++++++++
 drivers/media/platform/qcom/camss/camss.c     | 22 +++++++++++++++++++
 drivers/media/platform/qcom/camss/camss.h     |  3 +++
 3 files changed, 34 insertions(+)

diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index f52209b96583..4f8765c251bc 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -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;
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index a85e9df0f301..7594d9ee11b2 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -2403,6 +2403,28 @@ 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
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 9a046eea334f..bd1d1d2b831d 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -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 */
-- 
2.34.1