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Message-ID: <20250703171938.3606998-2-quic_vikramsa@quicinc.com>
Date: Thu, 3 Jul 2025 22:49:30 +0530
From: Vikram Sharma <quic_vikramsa@...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>, <andersson@...nel.org>,
<konradybcio@...nel.org>, <hverkuil-cisco@...all.nl>,
<cros-qcom-dts-watchers@...omium.org>, <catalin.marinas@....com>,
<will@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <quic_vikramsa@...cinc.com>,
<quic_svankada@...cinc.com>, <linux-media@...r.kernel.org>,
<linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v3 1/9] media: qcom: camss: Rename camss-csid-780.c to camss-csid-gen3.c
Rename the file camss-csid-780.c to camss-csid-gen3.c to enable
reuse of CSID logic across multiple SoCs.
The SA8775P SoC includes CSID 690, which is functionally very
similar to CSID 780, with only minor differences in register
bitfields. This rename prepares the codebase for supporting
additional SoCs without duplicating CSID logic.
Signed-off-by: Vikram Sharma <quic_vikramsa@...cinc.com>
---
drivers/media/platform/qcom/camss/Makefile | 2 +-
.../qcom/camss/{camss-csid-780.c => camss-csid-gen3.c} | 8 +++++---
.../qcom/camss/{camss-csid-780.h => camss-csid-gen3.h} | 9 +++++----
drivers/media/platform/qcom/camss/camss-csid.h | 2 +-
drivers/media/platform/qcom/camss/camss.c | 10 +++++-----
5 files changed, 17 insertions(+), 14 deletions(-)
rename drivers/media/platform/qcom/camss/{camss-csid-780.c => camss-csid-gen3.c} (98%)
rename drivers/media/platform/qcom/camss/{camss-csid-780.h => camss-csid-gen3.h} (84%)
diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile
index d26a9c24a430..ee869e69521a 100644
--- a/drivers/media/platform/qcom/camss/Makefile
+++ b/drivers/media/platform/qcom/camss/Makefile
@@ -8,7 +8,7 @@ qcom-camss-objs += \
camss-csid-4-7.o \
camss-csid-680.o \
camss-csid-gen2.o \
- camss-csid-780.o \
+ camss-csid-gen3.o \
camss-csiphy-2ph-1-0.o \
camss-csiphy-3ph-1-0.o \
camss-csiphy.o \
diff --git a/drivers/media/platform/qcom/camss/camss-csid-780.c b/drivers/media/platform/qcom/camss/camss-csid-gen3.c
similarity index 98%
rename from drivers/media/platform/qcom/camss/camss-csid-780.c
rename to drivers/media/platform/qcom/camss/camss-csid-gen3.c
index 4c720d177731..0941152ec301 100644
--- a/drivers/media/platform/qcom/camss/camss-csid-780.c
+++ b/drivers/media/platform/qcom/camss/camss-csid-gen3.c
@@ -4,6 +4,8 @@
*
* Copyright (c) 2024 Qualcomm Technologies, Inc.
*/
+
+
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -13,7 +15,7 @@
#include "camss.h"
#include "camss-csid.h"
-#include "camss-csid-780.h"
+#include "camss-csid-gen3.h"
#define CSID_IO_PATH_CFG0(csid) (0x4 * (csid))
#define OUTPUT_IFE_EN 0x100
@@ -259,7 +261,7 @@ static irqreturn_t csid_isr(int irq, void *dev)
if (buf_done_val & BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i)) {
/*
- * For Titan 780, bus done and RUP IRQ have been moved to
+ * For Titan Gen3, bus done and RUP IRQ have been moved to
* CSID from VFE. Once CSID received bus done, need notify
* VFE of this event. Trigger VFE to handle bus done process.
*/
@@ -325,7 +327,7 @@ static void csid_subdev_init(struct csid_device *csid)
csid->testgen.nmodes = CSID_PAYLOAD_MODE_DISABLED;
}
-const struct csid_hw_ops csid_ops_780 = {
+const struct csid_hw_ops csid_ops_gen3 = {
.configure_stream = csid_configure_stream,
.configure_testgen_pattern = csid_configure_testgen_pattern,
.hw_version = csid_hw_version,
diff --git a/drivers/media/platform/qcom/camss/camss-csid-780.h b/drivers/media/platform/qcom/camss/camss-csid-gen3.h
similarity index 84%
rename from drivers/media/platform/qcom/camss/camss-csid-780.h
rename to drivers/media/platform/qcom/camss/camss-csid-gen3.h
index a990c66a60ff..e6298042ae74 100644
--- a/drivers/media/platform/qcom/camss/camss-csid-780.h
+++ b/drivers/media/platform/qcom/camss/camss-csid-gen3.h
@@ -1,13 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * camss-csid-780.h
+ * camss-csid-gen3.h
*
* Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module Generation 3
*
* Copyright (c) 2024 Qualcomm Technologies, Inc.
*/
-#ifndef __QC_MSM_CAMSS_CSID_780_H__
-#define __QC_MSM_CAMSS_CSID_780_H__
+#ifndef __QC_MSM_CAMSS_CSID_GEN3_H__
+#define __QC_MSM_CAMSS_CSID_GEN3_H__
#define DECODE_FORMAT_UNCOMPRESSED_8_BIT 0x1
#define DECODE_FORMAT_UNCOMPRESSED_10_BIT 0x2
@@ -18,8 +18,9 @@
#define DECODE_FORMAT_UNCOMPRESSED_24_BIT 0x7
#define DECODE_FORMAT_PAYLOAD_ONLY 0xf
+
#define PLAIN_FORMAT_PLAIN8 0x0 /* supports DPCM, UNCOMPRESSED_6/8_BIT */
#define PLAIN_FORMAT_PLAIN16 0x1 /* supports DPCM, UNCOMPRESSED_10/16_BIT */
#define PLAIN_FORMAT_PLAIN32 0x2 /* supports UNCOMPRESSED_20_BIT */
-#endif /* __QC_MSM_CAMSS_CSID_780_H__ */
+#endif /* __QC_MSM_CAMSS_CSID_GEN3_H__ */
diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h
index 9dc826d8c8f6..62273ca9f199 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.h
+++ b/drivers/media/platform/qcom/camss/camss-csid.h
@@ -215,7 +215,7 @@ extern const struct csid_hw_ops csid_ops_4_1;
extern const struct csid_hw_ops csid_ops_4_7;
extern const struct csid_hw_ops csid_ops_680;
extern const struct csid_hw_ops csid_ops_gen2;
-extern const struct csid_hw_ops csid_ops_780;
+extern const struct csid_hw_ops csid_ops_gen3;
/*
* csid_is_lite - Check if CSID is CSID lite.
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 06f42875702f..1431e08dc04a 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -2285,7 +2285,7 @@ static const struct camss_subdev_resources csid_res_8550[] = {
.csid = {
.is_lite = false,
.parent_dev_ops = &vfe_parent_dev_ops,
- .hw_ops = &csid_ops_780,
+ .hw_ops = &csid_ops_gen3,
.formats = &csid_formats_gen2
}
},
@@ -2300,7 +2300,7 @@ static const struct camss_subdev_resources csid_res_8550[] = {
.csid = {
.is_lite = false,
.parent_dev_ops = &vfe_parent_dev_ops,
- .hw_ops = &csid_ops_780,
+ .hw_ops = &csid_ops_gen3,
.formats = &csid_formats_gen2
}
},
@@ -2315,7 +2315,7 @@ static const struct camss_subdev_resources csid_res_8550[] = {
.csid = {
.is_lite = false,
.parent_dev_ops = &vfe_parent_dev_ops,
- .hw_ops = &csid_ops_780,
+ .hw_ops = &csid_ops_gen3,
.formats = &csid_formats_gen2
}
},
@@ -2330,7 +2330,7 @@ static const struct camss_subdev_resources csid_res_8550[] = {
.csid = {
.is_lite = true,
.parent_dev_ops = &vfe_parent_dev_ops,
- .hw_ops = &csid_ops_780,
+ .hw_ops = &csid_ops_gen3,
.formats = &csid_formats_gen2
}
},
@@ -2345,7 +2345,7 @@ static const struct camss_subdev_resources csid_res_8550[] = {
.csid = {
.is_lite = true,
.parent_dev_ops = &vfe_parent_dev_ops,
- .hw_ops = &csid_ops_780,
+ .hw_ops = &csid_ops_gen3,
.formats = &csid_formats_gen2
}
}
--
2.25.1
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