linux-kernel - [PATCH v4 09/13] staging: media: starfive: Update ISP initialise config for 3A

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Date: Tue,  2 Apr 2024 03:00:07 -0700
From: Changhuang Liang <changhuang.liang@...rfivetech.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Hans Verkuil <hverkuil-cisco@...all.nl>,
	Ming Qian <ming.qian@....com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>,
	Benjamin Gaignard <benjamin.gaignard@...labora.com>,
	Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>,
	Mingjia Zhang <mingjia.zhang@...iatek.com>,
	Marvin Lin <milkfafa@...il.com>
Cc: Jack Zhu <jack.zhu@...rfivetech.com>,
	Changhuang Liang <changhuang.liang@...rfivetech.com>,
	linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-staging@...ts.linux.dev
Subject: [PATCH v4 09/13] staging: media: starfive: Update ISP initialise config for 3A

Upadte ISP initialise for 3A statistics collection data.

Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
---
 .../media/starfive/camss/stf-isp-hw-ops.c     | 23 +++++++++++++++++++
 .../staging/media/starfive/camss/stf-isp.h    | 21 +++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c b/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
index abdfa4417145..7b2cc596e967 100644
--- a/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
+++ b/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
@@ -300,6 +300,25 @@ static void stf_isp_config_sat(struct stfcamss *stfcamss)
 	stf_isp_reg_write(stfcamss, ISP_REG_YADJ1, YOMAX(0x3ff) | YOMIN(0x1));
 }
 
+static void stf_isp_config_sc(struct stfcamss *stfcamss)
+{
+	stf_isp_reg_write(stfcamss, ISP_REG_SCD_CFG_1, AXI_ID(0));
+	stf_isp_reg_write(stfcamss, ISP_REG_SC_CFG_0, HSTART(0) | VSTART(0xc));
+	stf_isp_reg_write(stfcamss, ISP_REG_SC_CFG_1,
+			  SC_WIDTH(0x1d) | SC_HEIGHT(0x15) |
+			  AWB_PS_GRB_BA(0x10) | SEL_TYPE(0x3));
+}
+
+static void stf_isp_config_yhist(struct stfcamss *stfcamss)
+{
+	stf_isp_reg_write(stfcamss, ISP_REG_YHIST_CFG_0, 0);
+	stf_isp_reg_write(stfcamss, ISP_REG_YHIST_CFG_1,
+			  YH_WIDTH(0x77f) | YH_HEIGHT(0x437));
+	stf_isp_reg_write(stfcamss, ISP_REG_YHIST_CFG_2,
+			  YH_DEC_ETW(2) | YH_DEC_ETH(1));
+	stf_isp_reg_write(stfcamss, ISP_REG_YHIST_CFG_3, 0);
+}
+
 int stf_isp_reset(struct stf_isp_dev *isp_dev)
 {
 	stf_isp_reg_set_bit(isp_dev->stfcamss, ISP_REG_ISP_CTRL_0,
@@ -332,7 +351,11 @@ void stf_isp_init_cfg(struct stf_isp_dev *isp_dev)
 	stf_isp_config_sharpen(isp_dev->stfcamss);
 	stf_isp_config_dnyuv(isp_dev->stfcamss);
 	stf_isp_config_sat(isp_dev->stfcamss);
+	stf_isp_config_sc(isp_dev->stfcamss);
+	stf_isp_config_yhist(isp_dev->stfcamss);
 
+	stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_DUMP_CFG_1,
+			  DUMP_BURST_LEN(3) | DUMP_SD(0xb80));
 	stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_CSI_MODULE_CFG,
 			  CSI_DUMP_EN | CSI_SC_EN | CSI_AWB_EN |
 			  CSI_LCCF_EN | CSI_OECF_EN | CSI_OBC_EN | CSI_DEC_EN);
diff --git a/drivers/staging/media/starfive/camss/stf-isp.h b/drivers/staging/media/starfive/camss/stf-isp.h
index 0af7b367e57a..eca3ba1ade75 100644
--- a/drivers/staging/media/starfive/camss/stf-isp.h
+++ b/drivers/staging/media/starfive/camss/stf-isp.h
@@ -110,9 +110,19 @@
 
 #define ISP_REG_SCD_CFG_0			0x098
 
+#define ISP_REG_SCD_CFG_1			0x09c
+#define AXI_ID(n)				((n) << 24)
+
+#define ISP_REG_SC_CFG_0			0x0b8
+#define VSTART(n)				((n) << 16)
+#define HSTART(n)				((n) << 0)
+
 #define ISP_REG_SC_CFG_1			0x0bc
 #define ISP_SC_SEL_MASK				GENMASK(31, 30)
 #define SEL_TYPE(n)				((n) << 30)
+#define AWB_PS_GRB_BA(n)			((n) << 16)
+#define SC_HEIGHT(n)				((n) << 8)
+#define SC_WIDTH(n)				((n) << 0)
 
 #define ISP_REG_LCCF_CFG_2			0x0e0
 #define ISP_REG_LCCF_CFG_3			0x0e4
@@ -312,6 +322,17 @@
 #define DNRM_F(n)				((n) << 16)
 #define CCM_M_DAT(n)				((n) << 0)
 
+#define ISP_REG_YHIST_CFG_0			0xcc8
+
+#define ISP_REG_YHIST_CFG_1			0xccc
+#define YH_HEIGHT(n)				((n) << 16)
+#define YH_WIDTH(n)				((n) << 0)
+
+#define ISP_REG_YHIST_CFG_2			0xcd0
+#define YH_DEC_ETH(n)				((n) << 16)
+#define YH_DEC_ETW(n)				((n) << 0)
+
+#define ISP_REG_YHIST_CFG_3			0xcd4
 #define ISP_REG_YHIST_CFG_4			0xcd8
 
 #define ISP_REG_YHIST_ACC_0			0xd00
-- 
2.25.1