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Message-ID: <20250427070135.884623-2-quic_vikramsa@quicinc.com>
Date: Sun, 27 Apr 2025 12:31:27 +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>,
<linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH RFC/WIP v2 1/9] media: qcom: camss: add generic csid handling in csid gen3
Rename camss-csid-780.c to camss-csid-gen3.c to avoid code duplication
for later SOCs i.e SA8775P. SA8775P have csid 690 which is almost same
as csid 780 with very minor changes in register bitfield.
Signed-off-by: Vikram Sharma <quic_vikramsa@...cinc.com>
---
drivers/media/platform/qcom/camss/Makefile | 2 +-
.../camss/{camss-csid-780.c => camss-csid-gen3.c} | 11 +++++++----
.../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, 19 insertions(+), 15 deletions(-)
rename drivers/media/platform/qcom/camss/{camss-csid-780.c => camss-csid-gen3.c} (97%)
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 97%
rename from drivers/media/platform/qcom/camss/camss-csid-780.c
rename to drivers/media/platform/qcom/camss/camss-csid-gen3.c
index 4c720d177731..b66105f7b901 100644
--- a/drivers/media/platform/qcom/camss/camss-csid-780.c
+++ b/drivers/media/platform/qcom/camss/camss-csid-gen3.c
@@ -1,9 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module
+ * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module gen3
+ * Gen3 Supports Qualcomm csid version 780 and 690
*
* Copyright (c) 2024 Qualcomm Technologies, Inc.
*/
+
+
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -13,7 +16,7 @@
#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 +262,7 @@ 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 +328,7 @@ 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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