linux-kernel - [PATCH v1 6/9] staging: media: starfive: camss: Update ISP initialise config for 3A

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Message-ID: <20231214065027.28564-7-changhuang.liang@starfivetech.com>
Date:   Wed, 13 Dec 2023 22:50:24 -0800
From:   Changhuang Liang <changhuang.liang@...rfivetech.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        "Marvin Lin" <milkfafa@...il.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        "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>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Dan Carpenter <dan.carpenter@...aro.org>
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 v1 6/9] staging: media: starfive: camss: 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    | 11 +++++++++
 2 files changed, 34 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 c6295a14d509..a1ab4f11718e 100644
--- a/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
+++ b/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
@@ -319,6 +319,25 @@ 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,
@@ -351,7 +370,11 @@ 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 bfb7196cefff..149f06b25416 100644
--- a/drivers/staging/media/starfive/camss/stf-isp.h
+++ b/drivers/staging/media/starfive/camss/stf-isp.h
@@ -417,6 +417,17 @@
 #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