[PATCH v11 06/11] media: staging: rkisp1: add ISP1 params driver

[Helen Koike <helen.koike@xxxxxxxxxxxxx>]

From: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx>

Add the output video driver that accept params from userspace.

Signed-off-by: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx>
Signed-off-by: Shunqian Zheng <zhengsq@xxxxxxxxxxxxxx>
Signed-off-by: Yichong Zhong <zyc@xxxxxxxxxxxxxx>
Signed-off-by: Jacob Chen <cc@xxxxxxxxxxxxxx>
Signed-off-by: Eddie Cai <eddie.cai.linux@xxxxxxxxx>
Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
Signed-off-by: Allon Huang <allon.huang@xxxxxxxxxxxxxx>
Signed-off-by: Tomasz Figa <tfiga@xxxxxxxxxxxx>
[refactored for upstream]
Signed-off-by: Helen Koike <helen.koike@xxxxxxxxxxxxx>

---

Changes in v11:
params
- fix compiling warnings
- fix checkpatch errors

Changes in v10:
- unsquash

Changes in v9:
- squash
- move to staging

Changes in v8: None
Changes in v7:
- s/strlcpy/strscpy
- s/strcpy/strscpy
- fix config lsc error
LSC data table size is 17x17, but when configuring data to ISP,
should be aligned to 18x17. That means every last data of last
line should be filled with 0, and not filled with the data of
next line.
- Update new ISP parameters immediately
For those sub modules that have shadow registers in core isp, the
new programing parameters would not be active if both
CIF_ISP_CTRL_ISP_CFG_UPD_PERMANENT and CFG_UPD are not set. Now
we configure CFG_UPD to force update the shadow registers when new
ISP parameters are configured.
- fix some ISP parameters config error
Some ISP parameter config functions may override the old enable
bit value, because the enable bits of these modules are in the
same registers with parameters. So we should save the old enable
bits firstly.
- code styling and checkpatch fixes

 drivers/staging/media/rkisp1/isp_params.c | 1586 +++++++++++++++++++++
 drivers/staging/media/rkisp1/isp_params.h |   50 +
 2 files changed, 1636 insertions(+)
 create mode 100644 drivers/staging/media/rkisp1/isp_params.c
 create mode 100644 drivers/staging/media/rkisp1/isp_params.h

diff --git a/drivers/staging/media/rkisp1/isp_params.c b/drivers/staging/media/rkisp1/isp_params.c
new file mode 100644
index 000000000000..0f6479ded73c
--- /dev/null
+++ b/drivers/staging/media/rkisp1/isp_params.c
@@ -0,0 +1,1586 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Rockchip ISP1 Driver - Params subdevice
+ *
+ * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
+ */
+
+#include <media/v4l2-common.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-vmalloc.h>	/* for ISP params */
+
+#include "dev.h"
+#include "regs.h"
+
+#define RKISP1_ISP_PARAMS_REQ_BUFS_MIN	2
+#define RKISP1_ISP_PARAMS_REQ_BUFS_MAX	8
+
+#define BLS_START_H_MAX_IS_VALID(val)	((val) < CIFISP_BLS_START_H_MAX)
+#define BLS_STOP_H_MAX_IS_VALID(val)	((val) < CIFISP_BLS_STOP_H_MAX)
+
+#define BLS_START_V_MAX_IS_VALID(val)	((val) < CIFISP_BLS_START_V_MAX)
+#define BLS_STOP_V_MAX_IS_VALID(val)	((val) < CIFISP_BLS_STOP_V_MAX)
+
+#define BLS_SAMPLE_MAX_IS_VALID(val)	((val) < CIFISP_BLS_SAMPLES_MAX)
+
+#define BLS_FIX_SUB_IS_VALID(val)	\
+	((val) > (s16)CIFISP_BLS_FIX_SUB_MIN && (val) < CIFISP_BLS_FIX_SUB_MAX)
+
+#define RKISP1_ISP_DPCC_LINE_THRESH(n)	(CIF_ISP_DPCC_LINE_THRESH_1 + 0x14 * (n))
+#define RKISP1_ISP_DPCC_LINE_MAD_FAC(n) (CIF_ISP_DPCC_LINE_MAD_FAC_1 + 0x14 * (n))
+#define RKISP1_ISP_DPCC_PG_FAC(n)	(CIF_ISP_DPCC_PG_FAC_1 + 0x14 * (n))
+#define RKISP1_ISP_DPCC_RND_THRESH(n)	(CIF_ISP_DPCC_RND_THRESH_1 + 0x14 * (n))
+#define RKISP1_ISP_DPCC_RG_FAC(n)	(CIF_ISP_DPCC_RG_FAC_1 + 0x14 * (n))
+#define RKISP1_ISP_CC_COEFF(n)		(CIF_ISP_CC_COEFF_0 + (n) * 4)
+
+static inline void rkisp1_iowrite32(struct rkisp1_isp_params_vdev *params_vdev,
+				    u32 value, u32 addr)
+{
+	iowrite32(value, params_vdev->dev->base_addr + addr);
+}
+
+static inline u32 rkisp1_ioread32(struct rkisp1_isp_params_vdev *params_vdev,
+				  u32 addr)
+{
+	return ioread32(params_vdev->dev->base_addr + addr);
+}
+
+static inline void isp_param_set_bits(struct rkisp1_isp_params_vdev
+					     *params_vdev,
+				      u32 reg, u32 bit_mask)
+{
+	u32 val;
+
+	val = rkisp1_ioread32(params_vdev, reg);
+	rkisp1_iowrite32(params_vdev, val | bit_mask, reg);
+}
+
+static inline void isp_param_clear_bits(struct rkisp1_isp_params_vdev
+					       *params_vdev,
+					u32 reg, u32 bit_mask)
+{
+	u32 val;
+
+	val = rkisp1_ioread32(params_vdev, reg);
+	rkisp1_iowrite32(params_vdev, val & ~bit_mask, reg);
+}
+
+/* ISP BP interface function */
+static void dpcc_config(struct rkisp1_isp_params_vdev *params_vdev,
+			const struct cifisp_dpcc_config *arg)
+{
+	unsigned int i;
+	u32 mode;
+
+	/* avoid to override the old enable value */
+	mode = rkisp1_ioread32(params_vdev, CIF_ISP_DPCC_MODE);
+	mode &= CIF_ISP_DPCC_ENA;
+	mode |= arg->mode & ~CIF_ISP_DPCC_ENA;
+	rkisp1_iowrite32(params_vdev, mode, CIF_ISP_DPCC_MODE);
+	rkisp1_iowrite32(params_vdev, arg->output_mode,
+			 CIF_ISP_DPCC_OUTPUT_MODE);
+	rkisp1_iowrite32(params_vdev, arg->set_use, CIF_ISP_DPCC_SET_USE);
+
+	rkisp1_iowrite32(params_vdev, arg->methods[0].method,
+			 CIF_ISP_DPCC_METHODS_SET_1);
+	rkisp1_iowrite32(params_vdev, arg->methods[1].method,
+			 CIF_ISP_DPCC_METHODS_SET_2);
+	rkisp1_iowrite32(params_vdev, arg->methods[2].method,
+			 CIF_ISP_DPCC_METHODS_SET_3);
+	for (i = 0; i < CIFISP_DPCC_METHODS_MAX; i++) {
+		rkisp1_iowrite32(params_vdev, arg->methods[i].line_thresh,
+				 RKISP1_ISP_DPCC_LINE_THRESH(i));
+		rkisp1_iowrite32(params_vdev, arg->methods[i].line_mad_fac,
+				 RKISP1_ISP_DPCC_LINE_MAD_FAC(i));
+		rkisp1_iowrite32(params_vdev, arg->methods[i].pg_fac,
+				 RKISP1_ISP_DPCC_PG_FAC(i));
+		rkisp1_iowrite32(params_vdev, arg->methods[i].rnd_thresh,
+				 RKISP1_ISP_DPCC_RND_THRESH(i));
+		rkisp1_iowrite32(params_vdev, arg->methods[i].rg_fac,
+				 RKISP1_ISP_DPCC_RG_FAC(i));
+	}
+
+	rkisp1_iowrite32(params_vdev, arg->rnd_offs, CIF_ISP_DPCC_RND_OFFS);
+	rkisp1_iowrite32(params_vdev, arg->ro_limits, CIF_ISP_DPCC_RO_LIMITS);
+}
+
+/* ISP black level subtraction interface function */
+static void bls_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_bls_config *arg)
+{
+	/* avoid to override the old enable value */
+	u32 new_control;
+
+	new_control = rkisp1_ioread32(params_vdev, CIF_ISP_BLS_CTRL);
+	new_control &= CIF_ISP_BLS_ENA;
+	/* fixed subtraction values */
+	if (!arg->enable_auto) {
+		const struct cifisp_bls_fixed_val *pval = &arg->fixed_val;
+
+		switch (params_vdev->raw_type) {
+		case RAW_BGGR:
+			rkisp1_iowrite32(params_vdev,
+					 pval->r, CIF_ISP_BLS_D_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gr, CIF_ISP_BLS_C_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gb, CIF_ISP_BLS_B_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->b, CIF_ISP_BLS_A_FIXED);
+			break;
+		case RAW_GBRG:
+			rkisp1_iowrite32(params_vdev,
+					 pval->r, CIF_ISP_BLS_C_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gr, CIF_ISP_BLS_D_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gb, CIF_ISP_BLS_A_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->b, CIF_ISP_BLS_B_FIXED);
+			break;
+		case RAW_GRBG:
+			rkisp1_iowrite32(params_vdev,
+					 pval->r, CIF_ISP_BLS_B_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gr, CIF_ISP_BLS_A_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gb, CIF_ISP_BLS_D_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->b, CIF_ISP_BLS_C_FIXED);
+			break;
+		case RAW_RGGB:
+			rkisp1_iowrite32(params_vdev,
+					 pval->r, CIF_ISP_BLS_A_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gr, CIF_ISP_BLS_B_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->gb, CIF_ISP_BLS_C_FIXED);
+			rkisp1_iowrite32(params_vdev,
+					 pval->b, CIF_ISP_BLS_D_FIXED);
+			break;
+		default:
+			break;
+		}
+
+	} else {
+		if (arg->en_windows & BIT(1)) {
+			rkisp1_iowrite32(params_vdev, arg->bls_window2.h_offs,
+					 CIF_ISP_BLS_H2_START);
+			rkisp1_iowrite32(params_vdev, arg->bls_window2.h_size,
+					 CIF_ISP_BLS_H2_STOP);
+			rkisp1_iowrite32(params_vdev, arg->bls_window2.v_offs,
+					 CIF_ISP_BLS_V2_START);
+			rkisp1_iowrite32(params_vdev, arg->bls_window2.v_size,
+					 CIF_ISP_BLS_V2_STOP);
+			new_control |= CIF_ISP_BLS_WINDOW_2;
+		}
+
+		if (arg->en_windows & BIT(0)) {
+			rkisp1_iowrite32(params_vdev, arg->bls_window1.h_offs,
+					 CIF_ISP_BLS_H1_START);
+			rkisp1_iowrite32(params_vdev, arg->bls_window1.h_size,
+					 CIF_ISP_BLS_H1_STOP);
+			rkisp1_iowrite32(params_vdev, arg->bls_window1.v_offs,
+					 CIF_ISP_BLS_V1_START);
+			rkisp1_iowrite32(params_vdev, arg->bls_window1.v_size,
+					 CIF_ISP_BLS_V1_STOP);
+			new_control |= CIF_ISP_BLS_WINDOW_1;
+		}
+
+		rkisp1_iowrite32(params_vdev, arg->bls_samples,
+				 CIF_ISP_BLS_SAMPLES);
+
+		new_control |= CIF_ISP_BLS_MODE_MEASURED;
+	}
+	rkisp1_iowrite32(params_vdev, new_control, CIF_ISP_BLS_CTRL);
+}
+
+/* ISP LS correction interface function */
+static void
+__lsc_correct_matrix_config(struct rkisp1_isp_params_vdev *params_vdev,
+			    const struct cifisp_lsc_config *pconfig)
+{
+	unsigned int isp_lsc_status, sram_addr, isp_lsc_table_sel;
+	unsigned int i, j, data;
+
+	isp_lsc_status = rkisp1_ioread32(params_vdev, CIF_ISP_LSC_STATUS);
+
+	/* CIF_ISP_LSC_TABLE_ADDRESS_153 = ( 17 * 18 ) >> 1 */
+	sram_addr = (isp_lsc_status & CIF_ISP_LSC_ACTIVE_TABLE) ?
+		     CIF_ISP_LSC_TABLE_ADDRESS_0 :
+		     CIF_ISP_LSC_TABLE_ADDRESS_153;
+	rkisp1_iowrite32(params_vdev, sram_addr, CIF_ISP_LSC_R_TABLE_ADDR);
+	rkisp1_iowrite32(params_vdev, sram_addr, CIF_ISP_LSC_GR_TABLE_ADDR);
+	rkisp1_iowrite32(params_vdev, sram_addr, CIF_ISP_LSC_GB_TABLE_ADDR);
+	rkisp1_iowrite32(params_vdev, sram_addr, CIF_ISP_LSC_B_TABLE_ADDR);
+
+	/* program data tables (table size is 9 * 17 = 153) */
+	for (i = 0; i < CIF_ISP_LSC_SECTORS_MAX * CIF_ISP_LSC_SECTORS_MAX;
+	     i += CIF_ISP_LSC_SECTORS_MAX) {
+		/*
+		 * 17 sectors with 2 values in one DWORD = 9
+		 * DWORDs (2nd value of last DWORD unused)
+		 */
+		for (j = 0; j < CIF_ISP_LSC_SECTORS_MAX - 1; j += 2) {
+			data = CIF_ISP_LSC_TABLE_DATA(pconfig->r_data_tbl[i + j],
+						      pconfig->r_data_tbl[i + j + 1]);
+			rkisp1_iowrite32(params_vdev, data,
+					 CIF_ISP_LSC_R_TABLE_DATA);
+
+			data = CIF_ISP_LSC_TABLE_DATA(pconfig->gr_data_tbl[i + j],
+						      pconfig->gr_data_tbl[i + j + 1]);
+			rkisp1_iowrite32(params_vdev, data,
+					 CIF_ISP_LSC_GR_TABLE_DATA);
+
+			data = CIF_ISP_LSC_TABLE_DATA(pconfig->gb_data_tbl[i + j],
+						      pconfig->gb_data_tbl[i + j + 1]);
+			rkisp1_iowrite32(params_vdev, data,
+					 CIF_ISP_LSC_GB_TABLE_DATA);
+
+			data = CIF_ISP_LSC_TABLE_DATA(pconfig->b_data_tbl[i + j],
+						      pconfig->b_data_tbl[i + j + 1]);
+			rkisp1_iowrite32(params_vdev, data,
+					 CIF_ISP_LSC_B_TABLE_DATA);
+		}
+		data = CIF_ISP_LSC_TABLE_DATA(pconfig->r_data_tbl[i + j], 0);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_R_TABLE_DATA);
+
+		data = CIF_ISP_LSC_TABLE_DATA(pconfig->gr_data_tbl[i + j], 0);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_GR_TABLE_DATA);
+
+		data = CIF_ISP_LSC_TABLE_DATA(pconfig->gb_data_tbl[i + j], 0);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_GB_TABLE_DATA);
+
+		data = CIF_ISP_LSC_TABLE_DATA(pconfig->b_data_tbl[i + j], 0);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_B_TABLE_DATA);
+	}
+	isp_lsc_table_sel = (isp_lsc_status & CIF_ISP_LSC_ACTIVE_TABLE) ?
+				CIF_ISP_LSC_TABLE_0 : CIF_ISP_LSC_TABLE_1;
+	rkisp1_iowrite32(params_vdev, isp_lsc_table_sel, CIF_ISP_LSC_TABLE_SEL);
+}
+
+static void lsc_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_lsc_config *arg)
+{
+	unsigned int i, data;
+	u32 lsc_ctrl;
+
+	/* To config must be off , store the current status firstly */
+	lsc_ctrl = rkisp1_ioread32(params_vdev, CIF_ISP_LSC_CTRL);
+	isp_param_clear_bits(params_vdev, CIF_ISP_LSC_CTRL,
+			     CIF_ISP_LSC_CTRL_ENA);
+	__lsc_correct_matrix_config(params_vdev, arg);
+
+	for (i = 0; i < 4; i++) {
+		/* program x size tables */
+		data = CIF_ISP_LSC_SECT_SIZE(arg->x_size_tbl[i * 2],
+					     arg->x_size_tbl[i * 2 + 1]);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_XSIZE_01 + i * 4);
+
+		/* program x grad tables */
+		data = CIF_ISP_LSC_SECT_SIZE(arg->x_grad_tbl[i * 2],
+					     arg->x_grad_tbl[i * 2 + 1]);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_XGRAD_01 + i * 4);
+
+		/* program y size tables */
+		data = CIF_ISP_LSC_SECT_SIZE(arg->y_size_tbl[i * 2],
+					     arg->y_size_tbl[i * 2 + 1]);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_YSIZE_01 + i * 4);
+
+		/* program y grad tables */
+		data = CIF_ISP_LSC_SECT_SIZE(arg->y_grad_tbl[i * 2],
+					     arg->y_grad_tbl[i * 2 + 1]);
+		rkisp1_iowrite32(params_vdev, data,
+				 CIF_ISP_LSC_YGRAD_01 + i * 4);
+	}
+
+	/* restore the lsc ctrl status */
+	if (lsc_ctrl & CIF_ISP_LSC_CTRL_ENA) {
+		isp_param_set_bits(params_vdev,
+				   CIF_ISP_LSC_CTRL,
+				   CIF_ISP_LSC_CTRL_ENA);
+	} else {
+		isp_param_clear_bits(params_vdev,
+				     CIF_ISP_LSC_CTRL,
+				     CIF_ISP_LSC_CTRL_ENA);
+	}
+}
+
+/* ISP Filtering function */
+static void flt_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_flt_config *arg)
+{
+	u32 filt_mode;
+
+	rkisp1_iowrite32(params_vdev, arg->thresh_bl0, CIF_ISP_FILT_THRESH_BL0);
+	rkisp1_iowrite32(params_vdev, arg->thresh_bl1, CIF_ISP_FILT_THRESH_BL1);
+	rkisp1_iowrite32(params_vdev, arg->thresh_sh0, CIF_ISP_FILT_THRESH_SH0);
+	rkisp1_iowrite32(params_vdev, arg->thresh_sh1, CIF_ISP_FILT_THRESH_SH1);
+	rkisp1_iowrite32(params_vdev, arg->fac_bl0, CIF_ISP_FILT_FAC_BL0);
+	rkisp1_iowrite32(params_vdev, arg->fac_bl1, CIF_ISP_FILT_FAC_BL1);
+	rkisp1_iowrite32(params_vdev, arg->fac_mid, CIF_ISP_FILT_FAC_MID);
+	rkisp1_iowrite32(params_vdev, arg->fac_sh0, CIF_ISP_FILT_FAC_SH0);
+	rkisp1_iowrite32(params_vdev, arg->fac_sh1, CIF_ISP_FILT_FAC_SH1);
+	rkisp1_iowrite32(params_vdev, arg->lum_weight, CIF_ISP_FILT_LUM_WEIGHT);
+
+	rkisp1_iowrite32(params_vdev, (arg->mode ? CIF_ISP_FLT_MODE_DNR : 0) |
+			 CIF_ISP_FLT_CHROMA_V_MODE(arg->chr_v_mode) |
+			 CIF_ISP_FLT_CHROMA_H_MODE(arg->chr_h_mode) |
+			 CIF_ISP_FLT_GREEN_STAGE1(arg->grn_stage1),
+			 CIF_ISP_FILT_MODE);
+
+	/* avoid to override the old enable value */
+	filt_mode = rkisp1_ioread32(params_vdev, CIF_ISP_FILT_MODE);
+	filt_mode &= CIF_ISP_FLT_ENA;
+	if (arg->mode)
+		filt_mode |= CIF_ISP_FLT_MODE_DNR;
+	filt_mode |= CIF_ISP_FLT_CHROMA_V_MODE(arg->chr_v_mode) |
+				 CIF_ISP_FLT_CHROMA_H_MODE(arg->chr_h_mode) |
+				 CIF_ISP_FLT_GREEN_STAGE1(arg->grn_stage1);
+	rkisp1_iowrite32(params_vdev, filt_mode, CIF_ISP_FILT_MODE);
+}
+
+/* ISP demosaic interface function */
+static int bdm_config(struct rkisp1_isp_params_vdev *params_vdev,
+		      const struct cifisp_bdm_config *arg)
+{
+	u32 bdm_th;
+
+	/* avoid to override the old enable value */
+	bdm_th = rkisp1_ioread32(params_vdev, CIF_ISP_DEMOSAIC);
+	bdm_th &= CIF_ISP_DEMOSAIC_BYPASS;
+	bdm_th |= arg->demosaic_th & ~CIF_ISP_DEMOSAIC_BYPASS;
+	/* set demosaic threshold */
+	rkisp1_iowrite32(params_vdev, bdm_th, CIF_ISP_DEMOSAIC);
+	return 0;
+}
+
+/* ISP GAMMA correction interface function */
+static void sdg_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_sdg_config *arg)
+{
+	unsigned int i;
+
+	rkisp1_iowrite32(params_vdev,
+			 arg->xa_pnts.gamma_dx0, CIF_ISP_GAMMA_DX_LO);
+	rkisp1_iowrite32(params_vdev,
+			 arg->xa_pnts.gamma_dx1, CIF_ISP_GAMMA_DX_HI);
+
+	for (i = 0; i < CIFISP_DEGAMMA_CURVE_SIZE; i++) {
+		rkisp1_iowrite32(params_vdev, arg->curve_r.gamma_y[i],
+				 CIF_ISP_GAMMA_R_Y0 + i * 4);
+		rkisp1_iowrite32(params_vdev, arg->curve_g.gamma_y[i],
+				 CIF_ISP_GAMMA_G_Y0 + i * 4);
+		rkisp1_iowrite32(params_vdev, arg->curve_b.gamma_y[i],
+				 CIF_ISP_GAMMA_B_Y0 + i * 4);
+	}
+}
+
+/* ISP GAMMA correction interface function */
+static void goc_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_goc_config *arg)
+{
+	unsigned int i;
+
+	isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+			     CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA);
+	rkisp1_iowrite32(params_vdev, arg->mode, CIF_ISP_GAMMA_OUT_MODE);
+
+	for (i = 0; i < CIFISP_GAMMA_OUT_MAX_SAMPLES; i++)
+		rkisp1_iowrite32(params_vdev, arg->gamma_y[i],
+				 CIF_ISP_GAMMA_OUT_Y_0 + i * 4);
+}
+
+/* ISP Cross Talk */
+static void ctk_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_ctk_config *arg)
+{
+	rkisp1_iowrite32(params_vdev, arg->coeff0, CIF_ISP_CT_COEFF_0);
+	rkisp1_iowrite32(params_vdev, arg->coeff1, CIF_ISP_CT_COEFF_1);
+	rkisp1_iowrite32(params_vdev, arg->coeff2, CIF_ISP_CT_COEFF_2);
+	rkisp1_iowrite32(params_vdev, arg->coeff3, CIF_ISP_CT_COEFF_3);
+	rkisp1_iowrite32(params_vdev, arg->coeff4, CIF_ISP_CT_COEFF_4);
+	rkisp1_iowrite32(params_vdev, arg->coeff5, CIF_ISP_CT_COEFF_5);
+	rkisp1_iowrite32(params_vdev, arg->coeff6, CIF_ISP_CT_COEFF_6);
+	rkisp1_iowrite32(params_vdev, arg->coeff7, CIF_ISP_CT_COEFF_7);
+	rkisp1_iowrite32(params_vdev, arg->coeff8, CIF_ISP_CT_COEFF_8);
+	rkisp1_iowrite32(params_vdev, arg->ct_offset_r, CIF_ISP_CT_OFFSET_R);
+	rkisp1_iowrite32(params_vdev, arg->ct_offset_g, CIF_ISP_CT_OFFSET_G);
+	rkisp1_iowrite32(params_vdev, arg->ct_offset_b, CIF_ISP_CT_OFFSET_B);
+}
+
+static void ctk_enable(struct rkisp1_isp_params_vdev *params_vdev, bool en)
+{
+	if (en)
+		return;
+
+	/* Write back the default values. */
+	rkisp1_iowrite32(params_vdev, 0x80, CIF_ISP_CT_COEFF_0);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_COEFF_1);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_COEFF_2);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_COEFF_3);
+	rkisp1_iowrite32(params_vdev, 0x80, CIF_ISP_CT_COEFF_4);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_COEFF_5);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_COEFF_6);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_COEFF_7);
+	rkisp1_iowrite32(params_vdev, 0x80, CIF_ISP_CT_COEFF_8);
+
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_OFFSET_R);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_OFFSET_G);
+	rkisp1_iowrite32(params_vdev, 0, CIF_ISP_CT_OFFSET_B);
+}
+
+/* ISP White Balance Mode */
+static void awb_meas_config(struct rkisp1_isp_params_vdev *params_vdev,
+			    const struct cifisp_awb_meas_config *arg)
+{
+	u32 reg_val = 0;
+	/* based on the mode,configure the awb module */
+	if (arg->awb_mode == CIFISP_AWB_MODE_YCBCR) {
+		/* Reference Cb and Cr */
+		rkisp1_iowrite32(params_vdev,
+				 CIF_ISP_AWB_REF_CR_SET(arg->awb_ref_cr) |
+				 arg->awb_ref_cb, CIF_ISP_AWB_REF);
+		/* Yc Threshold */
+		rkisp1_iowrite32(params_vdev,
+				 CIF_ISP_AWB_MAX_Y_SET(arg->max_y) |
+				 CIF_ISP_AWB_MIN_Y_SET(arg->min_y) |
+				 CIF_ISP_AWB_MAX_CS_SET(arg->max_csum) |
+				 arg->min_c, CIF_ISP_AWB_THRESH);
+	}
+
+	reg_val = rkisp1_ioread32(params_vdev, CIF_ISP_AWB_PROP);
+	if (arg->enable_ymax_cmp)
+		reg_val |= CIF_ISP_AWB_YMAX_CMP_EN;
+	else
+		reg_val &= ~CIF_ISP_AWB_YMAX_CMP_EN;
+	rkisp1_iowrite32(params_vdev, reg_val, CIF_ISP_AWB_PROP);
+
+	/* window offset */
+	rkisp1_iowrite32(params_vdev,
+			 arg->awb_wnd.v_offs, CIF_ISP_AWB_WND_V_OFFS);
+	rkisp1_iowrite32(params_vdev,
+			 arg->awb_wnd.h_offs, CIF_ISP_AWB_WND_H_OFFS);
+	/* AWB window size */
+	rkisp1_iowrite32(params_vdev,
+			 arg->awb_wnd.v_size, CIF_ISP_AWB_WND_V_SIZE);
+	rkisp1_iowrite32(params_vdev,
+			 arg->awb_wnd.h_size, CIF_ISP_AWB_WND_H_SIZE);
+	/* Number of frames */
+	rkisp1_iowrite32(params_vdev,
+			 arg->frames, CIF_ISP_AWB_FRAMES);
+}
+
+static void awb_meas_enable(struct rkisp1_isp_params_vdev *params_vdev,
+			    const struct cifisp_awb_meas_config *arg, bool en)
+{
+	u32 reg_val = rkisp1_ioread32(params_vdev, CIF_ISP_AWB_PROP);
+
+	/* switch off */
+	reg_val &= CIF_ISP_AWB_MODE_MASK_NONE;
+
+	if (en) {
+		if (arg->awb_mode == CIFISP_AWB_MODE_RGB)
+			reg_val |= CIF_ISP_AWB_MODE_RGB_EN;
+		else
+			reg_val |= CIF_ISP_AWB_MODE_YCBCR_EN;
+
+		rkisp1_iowrite32(params_vdev, reg_val, CIF_ISP_AWB_PROP);
+
+		/* Measurements require AWB block be active. */
+		/* TODO: need to enable here ? awb_gain_enable has done this */
+		isp_param_set_bits(params_vdev, CIF_ISP_CTRL,
+				   CIF_ISP_CTRL_ISP_AWB_ENA);
+	} else {
+		rkisp1_iowrite32(params_vdev,
+				 reg_val, CIF_ISP_AWB_PROP);
+		isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+				     CIF_ISP_CTRL_ISP_AWB_ENA);
+	}
+}
+
+static void awb_gain_config(struct rkisp1_isp_params_vdev *params_vdev,
+			    const struct cifisp_awb_gain_config *arg)
+{
+	rkisp1_iowrite32(params_vdev,
+			 CIF_ISP_AWB_GAIN_R_SET(arg->gain_green_r) |
+			 arg->gain_green_b, CIF_ISP_AWB_GAIN_G);
+
+	rkisp1_iowrite32(params_vdev, CIF_ISP_AWB_GAIN_R_SET(arg->gain_red) |
+			 arg->gain_blue, CIF_ISP_AWB_GAIN_RB);
+}
+
+static void aec_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_aec_config *arg)
+{
+	unsigned int block_hsize, block_vsize;
+	u32 exp_ctrl;
+
+	/* avoid to override the old enable value */
+	exp_ctrl = rkisp1_ioread32(params_vdev, CIF_ISP_EXP_CTRL);
+	exp_ctrl &= CIF_ISP_EXP_ENA;
+	if (arg->autostop)
+		exp_ctrl |= CIF_ISP_EXP_CTRL_AUTOSTOP;
+	if (arg->mode == CIFISP_EXP_MEASURING_MODE_1)
+		exp_ctrl |= CIF_ISP_EXP_CTRL_MEASMODE_1;
+	rkisp1_iowrite32(params_vdev, exp_ctrl, CIF_ISP_EXP_CTRL);
+
+	rkisp1_iowrite32(params_vdev,
+			 arg->meas_window.h_offs, CIF_ISP_EXP_H_OFFSET);
+	rkisp1_iowrite32(params_vdev,
+			 arg->meas_window.v_offs, CIF_ISP_EXP_V_OFFSET);
+
+	block_hsize = arg->meas_window.h_size / CIF_ISP_EXP_COLUMN_NUM - 1;
+	block_vsize = arg->meas_window.v_size / CIF_ISP_EXP_ROW_NUM - 1;
+
+	rkisp1_iowrite32(params_vdev, CIF_ISP_EXP_H_SIZE_SET(block_hsize),
+			 CIF_ISP_EXP_H_SIZE);
+	rkisp1_iowrite32(params_vdev, CIF_ISP_EXP_V_SIZE_SET(block_vsize),
+			 CIF_ISP_EXP_V_SIZE);
+}
+
+static void cproc_config(struct rkisp1_isp_params_vdev *params_vdev,
+			 const struct cifisp_cproc_config *arg)
+{
+	struct cifisp_isp_other_cfg *cur_other_cfg =
+						&params_vdev->cur_params.others;
+	struct cifisp_ie_config *cur_ie_config = &cur_other_cfg->ie_config;
+	u32 effect = cur_ie_config->effect;
+	u32 quantization = params_vdev->quantization;
+
+	rkisp1_iowrite32(params_vdev, arg->contrast, CIF_C_PROC_CONTRAST);
+	rkisp1_iowrite32(params_vdev, arg->hue, CIF_C_PROC_HUE);
+	rkisp1_iowrite32(params_vdev, arg->sat, CIF_C_PROC_SATURATION);
+	rkisp1_iowrite32(params_vdev, arg->brightness, CIF_C_PROC_BRIGHTNESS);
+
+	if (quantization != V4L2_QUANTIZATION_FULL_RANGE ||
+	    effect != V4L2_COLORFX_NONE) {
+		isp_param_clear_bits(params_vdev, CIF_C_PROC_CTRL,
+				     CIF_C_PROC_YOUT_FULL |
+				     CIF_C_PROC_YIN_FULL |
+				     CIF_C_PROC_COUT_FULL);
+	} else {
+		isp_param_set_bits(params_vdev, CIF_C_PROC_CTRL,
+				   CIF_C_PROC_YOUT_FULL |
+				   CIF_C_PROC_YIN_FULL |
+				   CIF_C_PROC_COUT_FULL);
+	}
+}
+
+static void hst_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_hst_config *arg)
+{
+	unsigned int block_hsize, block_vsize;
+	static const u32 hist_weight_regs[] = {
+		CIF_ISP_HIST_WEIGHT_00TO30, CIF_ISP_HIST_WEIGHT_40TO21,
+		CIF_ISP_HIST_WEIGHT_31TO12, CIF_ISP_HIST_WEIGHT_22TO03,
+		CIF_ISP_HIST_WEIGHT_13TO43, CIF_ISP_HIST_WEIGHT_04TO34,
+		CIF_ISP_HIST_WEIGHT_44,
+	};
+	const u8 *weight;
+	unsigned int i;
+	u32 hist_prop;
+
+	/* avoid to override the old enable value */
+	hist_prop = rkisp1_ioread32(params_vdev, CIF_ISP_HIST_PROP);
+	hist_prop &= CIF_ISP_HIST_PROP_MODE_MASK;
+	hist_prop |= CIF_ISP_HIST_PREDIV_SET(arg->histogram_predivider);
+	rkisp1_iowrite32(params_vdev, hist_prop, CIF_ISP_HIST_PROP);
+	rkisp1_iowrite32(params_vdev,
+			 arg->meas_window.h_offs,
+			 CIF_ISP_HIST_H_OFFS);
+	rkisp1_iowrite32(params_vdev,
+			 arg->meas_window.v_offs,
+			 CIF_ISP_HIST_V_OFFS);
+
+	block_hsize = arg->meas_window.h_size / CIF_ISP_HIST_COLUMN_NUM - 1;
+	block_vsize = arg->meas_window.v_size / CIF_ISP_HIST_ROW_NUM - 1;
+
+	rkisp1_iowrite32(params_vdev, block_hsize, CIF_ISP_HIST_H_SIZE);
+	rkisp1_iowrite32(params_vdev, block_vsize, CIF_ISP_HIST_V_SIZE);
+
+	weight = arg->hist_weight;
+	for (i = 0; i < ARRAY_SIZE(hist_weight_regs); ++i, weight += 4)
+		rkisp1_iowrite32(params_vdev,
+				 CIF_ISP_HIST_WEIGHT_SET(weight[0], weight[1],
+							 weight[2], weight[3]),
+				 hist_weight_regs[i]);
+}
+
+static void hst_enable(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_hst_config *arg, bool en)
+{
+	if (en)	{
+		u32 hist_prop = rkisp1_ioread32(params_vdev, CIF_ISP_HIST_PROP);
+
+		hist_prop &= ~CIF_ISP_HIST_PROP_MODE_MASK;
+		hist_prop |= arg->mode;
+		isp_param_set_bits(params_vdev, CIF_ISP_HIST_PROP, hist_prop);
+	} else {
+		isp_param_clear_bits(params_vdev, CIF_ISP_HIST_PROP,
+				     CIF_ISP_HIST_PROP_MODE_MASK);
+	}
+}
+
+static void afm_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_afc_config *arg)
+{
+	size_t num_of_win = min_t(size_t, ARRAY_SIZE(arg->afm_win),
+				  arg->num_afm_win);
+	u32 afm_ctrl = rkisp1_ioread32(params_vdev, CIF_ISP_AFM_CTRL);
+	unsigned int i;
+
+	/* Switch off to configure. */
+	isp_param_clear_bits(params_vdev, CIF_ISP_AFM_CTRL, CIF_ISP_AFM_ENA);
+
+	for (i = 0; i < num_of_win; i++) {
+		rkisp1_iowrite32(params_vdev,
+				 CIF_ISP_AFM_WINDOW_X(arg->afm_win[i].h_offs) |
+				 CIF_ISP_AFM_WINDOW_Y(arg->afm_win[i].v_offs),
+				 CIF_ISP_AFM_LT_A + i * 8);
+		rkisp1_iowrite32(params_vdev,
+				 CIF_ISP_AFM_WINDOW_X(arg->afm_win[i].h_size +
+						      arg->afm_win[i].h_offs) |
+				 CIF_ISP_AFM_WINDOW_Y(arg->afm_win[i].v_size +
+						      arg->afm_win[i].v_offs),
+				 CIF_ISP_AFM_RB_A + i * 8);
+	}
+	rkisp1_iowrite32(params_vdev, arg->thres, CIF_ISP_AFM_THRES);
+	rkisp1_iowrite32(params_vdev, arg->var_shift, CIF_ISP_AFM_VAR_SHIFT);
+	/* restore afm status */
+	rkisp1_iowrite32(params_vdev, afm_ctrl, CIF_ISP_AFM_CTRL);
+}
+
+static void ie_config(struct rkisp1_isp_params_vdev *params_vdev,
+		      const struct cifisp_ie_config *arg)
+{
+	u32 eff_ctrl;
+
+	eff_ctrl = rkisp1_ioread32(params_vdev, CIF_IMG_EFF_CTRL);
+	eff_ctrl &= ~CIF_IMG_EFF_CTRL_MODE_MASK;
+
+	if (params_vdev->quantization == V4L2_QUANTIZATION_FULL_RANGE)
+		eff_ctrl |= CIF_IMG_EFF_CTRL_YCBCR_FULL;
+
+	switch (arg->effect) {
+	case V4L2_COLORFX_SEPIA:
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_SEPIA;
+		break;
+	case V4L2_COLORFX_SET_CBCR:
+		rkisp1_iowrite32(params_vdev, arg->eff_tint, CIF_IMG_EFF_TINT);
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_SEPIA;
+		break;
+		/*
+		 * Color selection is similar to water color(AQUA):
+		 * grayscale + selected color w threshold
+		 */
+	case V4L2_COLORFX_AQUA:
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_COLOR_SEL;
+		rkisp1_iowrite32(params_vdev, arg->color_sel,
+				 CIF_IMG_EFF_COLOR_SEL);
+		break;
+	case V4L2_COLORFX_EMBOSS:
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_EMBOSS;
+		rkisp1_iowrite32(params_vdev, arg->eff_mat_1,
+				 CIF_IMG_EFF_MAT_1);
+		rkisp1_iowrite32(params_vdev, arg->eff_mat_2,
+				 CIF_IMG_EFF_MAT_2);
+		rkisp1_iowrite32(params_vdev, arg->eff_mat_3,
+				 CIF_IMG_EFF_MAT_3);
+		break;
+	case V4L2_COLORFX_SKETCH:
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_SKETCH;
+		rkisp1_iowrite32(params_vdev, arg->eff_mat_3,
+				 CIF_IMG_EFF_MAT_3);
+		rkisp1_iowrite32(params_vdev, arg->eff_mat_4,
+				 CIF_IMG_EFF_MAT_4);
+		rkisp1_iowrite32(params_vdev, arg->eff_mat_5,
+				 CIF_IMG_EFF_MAT_5);
+		break;
+	case V4L2_COLORFX_BW:
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_BLACKWHITE;
+		break;
+	case V4L2_COLORFX_NEGATIVE:
+		eff_ctrl |= CIF_IMG_EFF_CTRL_MODE_NEGATIVE;
+		break;
+	default:
+		break;
+	}
+
+	rkisp1_iowrite32(params_vdev, eff_ctrl, CIF_IMG_EFF_CTRL);
+}
+
+static void ie_enable(struct rkisp1_isp_params_vdev *params_vdev, bool en)
+{
+	if (en) {
+		isp_param_set_bits(params_vdev, CIF_ICCL, CIF_ICCL_IE_CLK);
+		rkisp1_iowrite32(params_vdev, CIF_IMG_EFF_CTRL_ENABLE,
+				 CIF_IMG_EFF_CTRL);
+		isp_param_set_bits(params_vdev, CIF_IMG_EFF_CTRL,
+				   CIF_IMG_EFF_CTRL_CFG_UPD);
+	} else {
+		isp_param_clear_bits(params_vdev, CIF_IMG_EFF_CTRL,
+				     CIF_IMG_EFF_CTRL_ENABLE);
+		isp_param_clear_bits(params_vdev, CIF_ICCL, CIF_ICCL_IE_CLK);
+	}
+}
+
+static void csm_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       bool full_range)
+{
+	static const u16 full_range_coeff[] = {
+		0x0026, 0x004b, 0x000f,
+		0x01ea, 0x01d6, 0x0040,
+		0x0040, 0x01ca, 0x01f6
+	};
+	static const u16 limited_range_coeff[] = {
+		0x0021, 0x0040, 0x000d,
+		0x01ed, 0x01db, 0x0038,
+		0x0038, 0x01d1, 0x01f7,
+	};
+	unsigned int i;
+
+	if (full_range) {
+		for (i = 0; i < ARRAY_SIZE(full_range_coeff); i++)
+			rkisp1_iowrite32(params_vdev, full_range_coeff[i],
+					 CIF_ISP_CC_COEFF_0 + i * 4);
+
+		isp_param_set_bits(params_vdev, CIF_ISP_CTRL,
+				   CIF_ISP_CTRL_ISP_CSM_Y_FULL_ENA |
+				   CIF_ISP_CTRL_ISP_CSM_C_FULL_ENA);
+	} else {
+		for (i = 0; i < ARRAY_SIZE(limited_range_coeff); i++)
+			rkisp1_iowrite32(params_vdev, limited_range_coeff[i],
+					 CIF_ISP_CC_COEFF_0 + i * 4);
+
+		isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+				     CIF_ISP_CTRL_ISP_CSM_Y_FULL_ENA |
+				     CIF_ISP_CTRL_ISP_CSM_C_FULL_ENA);
+	}
+}
+
+/* ISP De-noise Pre-Filter(DPF) function */
+static void dpf_config(struct rkisp1_isp_params_vdev *params_vdev,
+		       const struct cifisp_dpf_config *arg)
+{
+	unsigned int isp_dpf_mode, spatial_coeff, i;
+
+	switch (arg->gain.mode) {
+	case CIFISP_DPF_GAIN_USAGE_NF_GAINS:
+		isp_dpf_mode = CIF_ISP_DPF_MODE_USE_NF_GAIN |
+				CIF_ISP_DPF_MODE_AWB_GAIN_COMP;
+		break;
+	case CIFISP_DPF_GAIN_USAGE_LSC_GAINS:
+		isp_dpf_mode = CIF_ISP_DPF_MODE_LSC_GAIN_COMP;
+		break;
+	case CIFISP_DPF_GAIN_USAGE_NF_LSC_GAINS:
+		isp_dpf_mode = CIF_ISP_DPF_MODE_USE_NF_GAIN |
+				CIF_ISP_DPF_MODE_AWB_GAIN_COMP |
+				CIF_ISP_DPF_MODE_LSC_GAIN_COMP;
+		break;
+	case CIFISP_DPF_GAIN_USAGE_AWB_GAINS:
+		isp_dpf_mode = CIF_ISP_DPF_MODE_AWB_GAIN_COMP;
+		break;
+	case CIFISP_DPF_GAIN_USAGE_AWB_LSC_GAINS:
+		isp_dpf_mode = CIF_ISP_DPF_MODE_LSC_GAIN_COMP |
+				CIF_ISP_DPF_MODE_AWB_GAIN_COMP;
+		break;
+	case CIFISP_DPF_GAIN_USAGE_DISABLED:
+	default:
+		isp_dpf_mode = 0;
+		break;
+	}
+
+	if (arg->nll.scale_mode == CIFISP_NLL_SCALE_LOGARITHMIC)
+		isp_dpf_mode |= CIF_ISP_DPF_MODE_NLL_SEGMENTATION;
+	if (arg->rb_flt.fltsize == CIFISP_DPF_RB_FILTERSIZE_9x9)
+		isp_dpf_mode |= CIF_ISP_DPF_MODE_RB_FLTSIZE_9x9;
+	if (!arg->rb_flt.r_enable)
+		isp_dpf_mode |= CIF_ISP_DPF_MODE_R_FLT_DIS;
+	if (!arg->rb_flt.b_enable)
+		isp_dpf_mode |= CIF_ISP_DPF_MODE_B_FLT_DIS;
+	if (!arg->g_flt.gb_enable)
+		isp_dpf_mode |= CIF_ISP_DPF_MODE_GB_FLT_DIS;
+	if (!arg->g_flt.gr_enable)
+		isp_dpf_mode |= CIF_ISP_DPF_MODE_GR_FLT_DIS;
+
+	isp_param_set_bits(params_vdev, CIF_ISP_DPF_MODE, isp_dpf_mode);
+	rkisp1_iowrite32(params_vdev, arg->gain.nf_b_gain,
+			 CIF_ISP_DPF_NF_GAIN_B);
+	rkisp1_iowrite32(params_vdev, arg->gain.nf_r_gain,
+			 CIF_ISP_DPF_NF_GAIN_R);
+	rkisp1_iowrite32(params_vdev, arg->gain.nf_gb_gain,
+			 CIF_ISP_DPF_NF_GAIN_GB);
+	rkisp1_iowrite32(params_vdev, arg->gain.nf_gr_gain,
+			 CIF_ISP_DPF_NF_GAIN_GR);
+
+	for (i = 0; i < CIFISP_DPF_MAX_NLF_COEFFS; i++) {
+		rkisp1_iowrite32(params_vdev, arg->nll.coeff[i],
+				 CIF_ISP_DPF_NULL_COEFF_0 + i * 4);
+	}
+
+	spatial_coeff = arg->g_flt.spatial_coeff[0] |
+			(arg->g_flt.spatial_coeff[1] << 8) |
+			(arg->g_flt.spatial_coeff[2] << 16) |
+			(arg->g_flt.spatial_coeff[3] << 24);
+	rkisp1_iowrite32(params_vdev, spatial_coeff,
+			 CIF_ISP_DPF_S_WEIGHT_G_1_4);
+
+	spatial_coeff = arg->g_flt.spatial_coeff[4] |
+			(arg->g_flt.spatial_coeff[5] << 8);
+	rkisp1_iowrite32(params_vdev, spatial_coeff,
+			 CIF_ISP_DPF_S_WEIGHT_G_5_6);
+
+	spatial_coeff = arg->rb_flt.spatial_coeff[0] |
+			(arg->rb_flt.spatial_coeff[1] << 8) |
+			(arg->rb_flt.spatial_coeff[2] << 16) |
+			(arg->rb_flt.spatial_coeff[3] << 24);
+	rkisp1_iowrite32(params_vdev, spatial_coeff,
+			 CIF_ISP_DPF_S_WEIGHT_RB_1_4);
+
+	spatial_coeff = arg->rb_flt.spatial_coeff[4] |
+			(arg->rb_flt.spatial_coeff[5] << 8);
+	rkisp1_iowrite32(params_vdev, spatial_coeff,
+			 CIF_ISP_DPF_S_WEIGHT_RB_5_6);
+}
+
+static void dpf_strength_config(struct rkisp1_isp_params_vdev *params_vdev,
+				const struct cifisp_dpf_strength_config *arg)
+{
+	rkisp1_iowrite32(params_vdev, arg->b, CIF_ISP_DPF_STRENGTH_B);
+	rkisp1_iowrite32(params_vdev, arg->g, CIF_ISP_DPF_STRENGTH_G);
+	rkisp1_iowrite32(params_vdev, arg->r, CIF_ISP_DPF_STRENGTH_R);
+}
+
+static __maybe_unused
+void __isp_isr_other_config(struct rkisp1_isp_params_vdev *params_vdev,
+			    const struct rkisp1_isp_params_cfg *new_params)
+{
+	unsigned int module_en_update, module_cfg_update, module_ens;
+
+	module_en_update = new_params->module_en_update;
+	module_cfg_update = new_params->module_cfg_update;
+	module_ens = new_params->module_ens;
+
+	if ((module_en_update & CIFISP_MODULE_DPCC) ||
+	    (module_cfg_update & CIFISP_MODULE_DPCC)) {
+		/*update dpc config */
+		if ((module_cfg_update & CIFISP_MODULE_DPCC))
+			dpcc_config(params_vdev,
+				    &new_params->others.dpcc_config);
+
+		if (module_en_update & CIFISP_MODULE_DPCC) {
+			if (!!(module_ens & CIFISP_MODULE_DPCC))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_DPCC_MODE,
+						   CIF_ISP_DPCC_ENA);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_DPCC_MODE,
+						     CIF_ISP_DPCC_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_BLS) ||
+	    (module_cfg_update & CIFISP_MODULE_BLS)) {
+		/* update bls config */
+		if ((module_cfg_update & CIFISP_MODULE_BLS))
+			bls_config(params_vdev, &new_params->others.bls_config);
+
+		if (module_en_update & CIFISP_MODULE_BLS) {
+			if (!!(module_ens & CIFISP_MODULE_BLS))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_BLS_CTRL,
+						   CIF_ISP_BLS_ENA);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_BLS_CTRL,
+						     CIF_ISP_BLS_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_SDG) ||
+	    (module_cfg_update & CIFISP_MODULE_SDG)) {
+		/* update sdg config */
+		if ((module_cfg_update & CIFISP_MODULE_SDG))
+			sdg_config(params_vdev, &new_params->others.sdg_config);
+
+		if (module_en_update & CIFISP_MODULE_SDG) {
+			if (!!(module_ens & CIFISP_MODULE_SDG))
+				isp_param_set_bits(params_vdev, CIF_ISP_CTRL,
+						CIF_ISP_CTRL_ISP_GAMMA_IN_ENA);
+			else
+				isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+						CIF_ISP_CTRL_ISP_GAMMA_IN_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_LSC) ||
+	    (module_cfg_update & CIFISP_MODULE_LSC)) {
+		/* update lsc config */
+		if ((module_cfg_update & CIFISP_MODULE_LSC))
+			lsc_config(params_vdev, &new_params->others.lsc_config);
+
+		if (module_en_update & CIFISP_MODULE_LSC) {
+			if (!!(module_ens & CIFISP_MODULE_LSC))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_LSC_CTRL,
+						   CIF_ISP_LSC_CTRL_ENA);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_LSC_CTRL,
+						     CIF_ISP_LSC_CTRL_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_AWB_GAIN) ||
+	    (module_cfg_update & CIFISP_MODULE_AWB_GAIN)) {
+		/* update awb gains */
+		if ((module_cfg_update & CIFISP_MODULE_AWB_GAIN))
+			awb_gain_config(params_vdev,
+					&new_params->others.awb_gain_config);
+
+		if (module_en_update & CIFISP_MODULE_AWB_GAIN) {
+			if (!!(module_ens & CIFISP_MODULE_AWB_GAIN))
+				isp_param_set_bits(params_vdev, CIF_ISP_CTRL,
+						   CIF_ISP_CTRL_ISP_AWB_ENA);
+			else
+				isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+						     CIF_ISP_CTRL_ISP_AWB_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_BDM) ||
+	    (module_cfg_update & CIFISP_MODULE_BDM)) {
+		/* update bdm config */
+		if ((module_cfg_update & CIFISP_MODULE_BDM))
+			bdm_config(params_vdev, &new_params->others.bdm_config);
+
+		if (module_en_update & CIFISP_MODULE_BDM) {
+			if (!!(module_ens & CIFISP_MODULE_BDM))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_DEMOSAIC,
+						   CIF_ISP_DEMOSAIC_BYPASS);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_DEMOSAIC,
+						     CIF_ISP_DEMOSAIC_BYPASS);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_FLT) ||
+	    (module_cfg_update & CIFISP_MODULE_FLT)) {
+		/* update filter config */
+		if ((module_cfg_update & CIFISP_MODULE_FLT))
+			flt_config(params_vdev, &new_params->others.flt_config);
+
+		if (module_en_update & CIFISP_MODULE_FLT) {
+			if (!!(module_ens & CIFISP_MODULE_FLT))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_FILT_MODE,
+						   CIF_ISP_FLT_ENA);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_FILT_MODE,
+						     CIF_ISP_FLT_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_CTK) ||
+	    (module_cfg_update & CIFISP_MODULE_CTK)) {
+		/* update ctk config */
+		if ((module_cfg_update & CIFISP_MODULE_CTK))
+			ctk_config(params_vdev, &new_params->others.ctk_config);
+
+		if (module_en_update & CIFISP_MODULE_CTK)
+			ctk_enable(params_vdev,
+				   !!(module_ens & CIFISP_MODULE_CTK));
+	}
+
+	if ((module_en_update & CIFISP_MODULE_GOC) ||
+	    (module_cfg_update & CIFISP_MODULE_GOC)) {
+		/* update goc config */
+		if ((module_cfg_update & CIFISP_MODULE_GOC))
+			goc_config(params_vdev, &new_params->others.goc_config);
+
+		if (module_en_update & CIFISP_MODULE_GOC) {
+			if (!!(module_ens & CIFISP_MODULE_GOC))
+				isp_param_set_bits(params_vdev, CIF_ISP_CTRL,
+						CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA);
+			else
+				isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+						CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_CPROC) ||
+	    (module_cfg_update & CIFISP_MODULE_CPROC)) {
+		/* update cproc config */
+		if ((module_cfg_update & CIFISP_MODULE_CPROC)) {
+			cproc_config(params_vdev,
+				     &new_params->others.cproc_config);
+		}
+
+		if (module_en_update & CIFISP_MODULE_CPROC) {
+			if (!!(module_ens & CIFISP_MODULE_CPROC))
+				isp_param_set_bits(params_vdev,
+						   CIF_C_PROC_CTRL,
+						   CIF_C_PROC_CTR_ENABLE);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_C_PROC_CTRL,
+						     CIF_C_PROC_CTR_ENABLE);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_IE) ||
+	    (module_cfg_update & CIFISP_MODULE_IE)) {
+		/* update ie config */
+		if ((module_cfg_update & CIFISP_MODULE_IE))
+			ie_config(params_vdev, &new_params->others.ie_config);
+
+		if (module_en_update & CIFISP_MODULE_IE)
+			ie_enable(params_vdev,
+				  !!(module_ens & CIFISP_MODULE_IE));
+	}
+
+	if ((module_en_update & CIFISP_MODULE_DPF) ||
+	    (module_cfg_update & CIFISP_MODULE_DPF)) {
+		/* update dpf  config */
+		if ((module_cfg_update & CIFISP_MODULE_DPF))
+			dpf_config(params_vdev, &new_params->others.dpf_config);
+
+		if (module_en_update & CIFISP_MODULE_DPF) {
+			if (!!(module_ens & CIFISP_MODULE_DPF))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_DPF_MODE,
+						   CIF_ISP_DPF_MODE_EN);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_DPF_MODE,
+						     CIF_ISP_DPF_MODE_EN);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_DPF_STRENGTH) ||
+	    (module_cfg_update & CIFISP_MODULE_DPF_STRENGTH)) {
+		/* update dpf strength config */
+		dpf_strength_config(params_vdev,
+				    &new_params->others.dpf_strength_config);
+	}
+}
+
+static __maybe_unused
+void __isp_isr_meas_config(struct rkisp1_isp_params_vdev *params_vdev,
+			   struct  rkisp1_isp_params_cfg *new_params)
+{
+	unsigned int module_en_update, module_cfg_update, module_ens;
+
+	module_en_update = new_params->module_en_update;
+	module_cfg_update = new_params->module_cfg_update;
+	module_ens = new_params->module_ens;
+
+	if ((module_en_update & CIFISP_MODULE_AWB) ||
+	    (module_cfg_update & CIFISP_MODULE_AWB)) {
+		/* update awb config */
+		if ((module_cfg_update & CIFISP_MODULE_AWB))
+			awb_meas_config(params_vdev,
+					&new_params->meas.awb_meas_config);
+
+		if (module_en_update & CIFISP_MODULE_AWB)
+			awb_meas_enable(params_vdev,
+					&new_params->meas.awb_meas_config,
+					!!(module_ens & CIFISP_MODULE_AWB));
+	}
+
+	if ((module_en_update & CIFISP_MODULE_AFC) ||
+	    (module_cfg_update & CIFISP_MODULE_AFC)) {
+		/* update afc config */
+		if ((module_cfg_update & CIFISP_MODULE_AFC))
+			afm_config(params_vdev, &new_params->meas.afc_config);
+
+		if (module_en_update & CIFISP_MODULE_AFC) {
+			if (!!(module_ens & CIFISP_MODULE_AFC))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_AFM_CTRL,
+						   CIF_ISP_AFM_ENA);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_AFM_CTRL,
+						     CIF_ISP_AFM_ENA);
+		}
+	}
+
+	if ((module_en_update & CIFISP_MODULE_HST) ||
+	    (module_cfg_update & CIFISP_MODULE_HST)) {
+		/* update hst config */
+		if ((module_cfg_update & CIFISP_MODULE_HST))
+			hst_config(params_vdev, &new_params->meas.hst_config);
+
+		if (module_en_update & CIFISP_MODULE_HST)
+			hst_enable(params_vdev,
+				   &new_params->meas.hst_config,
+				   !!(module_ens & CIFISP_MODULE_HST));
+	}
+
+	if ((module_en_update & CIFISP_MODULE_AEC) ||
+	    (module_cfg_update & CIFISP_MODULE_AEC)) {
+		/* update aec config */
+		if ((module_cfg_update & CIFISP_MODULE_AEC))
+			aec_config(params_vdev, &new_params->meas.aec_config);
+
+		if (module_en_update & CIFISP_MODULE_AEC) {
+			if (!!(module_ens & CIFISP_MODULE_AEC))
+				isp_param_set_bits(params_vdev,
+						   CIF_ISP_EXP_CTRL,
+						   CIF_ISP_EXP_ENA);
+			else
+				isp_param_clear_bits(params_vdev,
+						     CIF_ISP_EXP_CTRL,
+						     CIF_ISP_EXP_ENA);
+		}
+	}
+}
+
+void rkisp1_params_isr(struct rkisp1_device *dev, u32 isp_mis)
+{
+	struct rkisp1_isp_params_vdev *params_vdev = &dev->params_vdev;
+	struct rkisp1_isp_params_cfg *new_params;
+	struct rkisp1_buffer *cur_buf = NULL;
+	unsigned int cur_frame_id = -1;
+
+	cur_frame_id = atomic_read(&dev->isp_sdev.frm_sync_seq) - 1;
+
+	spin_lock(&params_vdev->config_lock);
+	if (!params_vdev->streamon) {
+		spin_unlock(&params_vdev->config_lock);
+		return;
+	}
+
+	/* get one empty buffer */
+	if (!list_empty(&params_vdev->params))
+		cur_buf = list_first_entry(&params_vdev->params,
+					   struct rkisp1_buffer, queue);
+	spin_unlock(&params_vdev->config_lock);
+
+	if (!cur_buf)
+		return;
+
+	new_params = (struct rkisp1_isp_params_cfg *)(cur_buf->vaddr[0]);
+
+	if (isp_mis & CIF_ISP_FRAME) {
+		u32 isp_ctrl;
+
+		__isp_isr_other_config(params_vdev, new_params);
+		__isp_isr_meas_config(params_vdev, new_params);
+
+		/* update shadow register immediately */
+		isp_ctrl = rkisp1_ioread32(params_vdev, CIF_ISP_CTRL);
+		isp_ctrl |= CIF_ISP_CTRL_ISP_CFG_UPD;
+		rkisp1_iowrite32(params_vdev, isp_ctrl, CIF_ISP_CTRL);
+
+		spin_lock(&params_vdev->config_lock);
+		list_del(&cur_buf->queue);
+		spin_unlock(&params_vdev->config_lock);
+
+		cur_buf->vb.sequence = cur_frame_id;
+		vb2_buffer_done(&cur_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
+	}
+}
+
+static const struct cifisp_awb_meas_config awb_params_default_config = {
+	{
+		0, 0, RKISP1_DEFAULT_WIDTH, RKISP1_DEFAULT_HEIGHT
+	},
+	CIFISP_AWB_MODE_YCBCR, 200, 30, 20, 20, 0, 128, 128
+};
+
+static const struct cifisp_aec_config aec_params_default_config = {
+	CIFISP_EXP_MEASURING_MODE_0,
+	CIFISP_EXP_CTRL_AUTOSTOP_0,
+	{
+		RKISP1_DEFAULT_WIDTH >> 2, RKISP1_DEFAULT_HEIGHT >> 2,
+		RKISP1_DEFAULT_WIDTH >> 1, RKISP1_DEFAULT_HEIGHT >> 1
+	}
+};
+
+static const struct cifisp_hst_config hst_params_default_config = {
+	CIFISP_HISTOGRAM_MODE_RGB_COMBINED,
+	3,
+	{
+		RKISP1_DEFAULT_WIDTH >> 2, RKISP1_DEFAULT_HEIGHT >> 2,
+		RKISP1_DEFAULT_WIDTH >> 1, RKISP1_DEFAULT_HEIGHT >> 1
+	},
+	{
+		0, /* To be filled in with 0x01 at runtime. */
+	}
+};
+
+static const struct cifisp_afc_config afc_params_default_config = {
+	1,
+	{
+		{
+			300, 225, 200, 150
+		}
+	},
+	4,
+	14
+};
+
+static
+void rkisp1_params_config_parameter(struct rkisp1_isp_params_vdev *params_vdev)
+{
+	struct cifisp_hst_config hst = hst_params_default_config;
+
+	spin_lock(&params_vdev->config_lock);
+
+	awb_meas_config(params_vdev, &awb_params_default_config);
+	awb_meas_enable(params_vdev, &awb_params_default_config, true);
+
+	aec_config(params_vdev, &aec_params_default_config);
+	isp_param_set_bits(params_vdev, CIF_ISP_EXP_CTRL, CIF_ISP_EXP_ENA);
+
+	afm_config(params_vdev, &afc_params_default_config);
+	isp_param_set_bits(params_vdev, CIF_ISP_AFM_CTRL, CIF_ISP_AFM_ENA);
+
+	memset(hst.hist_weight, 0x01, sizeof(hst.hist_weight));
+	hst_config(params_vdev, &hst);
+	isp_param_set_bits(params_vdev, CIF_ISP_HIST_PROP,
+			   ~CIF_ISP_HIST_PROP_MODE_MASK |
+			   hst_params_default_config.mode);
+
+	/* set the  range */
+	if (params_vdev->quantization == V4L2_QUANTIZATION_FULL_RANGE)
+		csm_config(params_vdev, true);
+	else
+		csm_config(params_vdev, false);
+
+	/* override the default things */
+	__isp_isr_other_config(params_vdev, &params_vdev->cur_params);
+	__isp_isr_meas_config(params_vdev, &params_vdev->cur_params);
+
+	spin_unlock(&params_vdev->config_lock);
+}
+
+/* Not called when the camera active, thus not isr protection. */
+void rkisp1_params_configure_isp(struct rkisp1_isp_params_vdev *params_vdev,
+				 const struct rkisp1_fmt *in_fmt,
+				 enum v4l2_quantization quantization)
+{
+	params_vdev->quantization = quantization;
+	params_vdev->raw_type = in_fmt->bayer_pat;
+	rkisp1_params_config_parameter(params_vdev);
+}
+
+/* Not called when the camera active, thus not isr protection. */
+void rkisp1_params_disable_isp(struct rkisp1_isp_params_vdev *params_vdev)
+{
+	isp_param_clear_bits(params_vdev, CIF_ISP_DPCC_MODE, CIF_ISP_DPCC_ENA);
+	isp_param_clear_bits(params_vdev, CIF_ISP_LSC_CTRL,
+			     CIF_ISP_LSC_CTRL_ENA);
+	isp_param_clear_bits(params_vdev, CIF_ISP_BLS_CTRL, CIF_ISP_BLS_ENA);
+	isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+			     CIF_ISP_CTRL_ISP_GAMMA_IN_ENA);
+	isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+			     CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA);
+	isp_param_clear_bits(params_vdev, CIF_ISP_DEMOSAIC,
+			     CIF_ISP_DEMOSAIC_BYPASS);
+	isp_param_clear_bits(params_vdev, CIF_ISP_FILT_MODE, CIF_ISP_FLT_ENA);
+	awb_meas_enable(params_vdev, NULL, false);
+	isp_param_clear_bits(params_vdev, CIF_ISP_CTRL,
+			     CIF_ISP_CTRL_ISP_AWB_ENA);
+	isp_param_clear_bits(params_vdev, CIF_ISP_EXP_CTRL, CIF_ISP_EXP_ENA);
+	ctk_enable(params_vdev, false);
+	isp_param_clear_bits(params_vdev, CIF_C_PROC_CTRL,
+			     CIF_C_PROC_CTR_ENABLE);
+	hst_enable(params_vdev, NULL, false);
+	isp_param_clear_bits(params_vdev, CIF_ISP_AFM_CTRL, CIF_ISP_AFM_ENA);
+	ie_enable(params_vdev, false);
+	isp_param_clear_bits(params_vdev, CIF_ISP_DPF_MODE,
+			     CIF_ISP_DPF_MODE_EN);
+}
+
+static int rkisp1_params_enum_fmt_meta_out(struct file *file, void *priv,
+					   struct v4l2_fmtdesc *f)
+{
+	struct video_device *video = video_devdata(file);
+	struct rkisp1_isp_params_vdev *params_vdev = video_get_drvdata(video);
+
+	if (f->index > 0 || f->type != video->queue->type)
+		return -EINVAL;
+
+	f->pixelformat = params_vdev->vdev_fmt.fmt.meta.dataformat;
+
+	return 0;
+}
+
+static int rkisp1_params_g_fmt_meta_out(struct file *file, void *fh,
+					struct v4l2_format *f)
+{
+	struct video_device *video = video_devdata(file);
+	struct rkisp1_isp_params_vdev *params_vdev = video_get_drvdata(video);
+	struct v4l2_meta_format *meta = &f->fmt.meta;
+
+	if (f->type != video->queue->type)
+		return -EINVAL;
+
+	memset(meta, 0, sizeof(*meta));
+	meta->dataformat = params_vdev->vdev_fmt.fmt.meta.dataformat;
+	meta->buffersize = params_vdev->vdev_fmt.fmt.meta.buffersize;
+
+	return 0;
+}
+
+static int rkisp1_params_querycap(struct file *file,
+				  void *priv, struct v4l2_capability *cap)
+{
+	struct video_device *vdev = video_devdata(file);
+
+	strscpy(cap->driver, DRIVER_NAME, sizeof(cap->driver));
+	strscpy(cap->card, vdev->name, sizeof(cap->card));
+	strscpy(cap->bus_info, "platform: " DRIVER_NAME, sizeof(cap->bus_info));
+
+	return 0;
+}
+
+/* ISP params video device IOCTLs */
+static const struct v4l2_ioctl_ops rkisp1_params_ioctl = {
+	.vidioc_reqbufs = vb2_ioctl_reqbufs,
+	.vidioc_querybuf = vb2_ioctl_querybuf,
+	.vidioc_create_bufs = vb2_ioctl_create_bufs,
+	.vidioc_qbuf = vb2_ioctl_qbuf,
+	.vidioc_dqbuf = vb2_ioctl_dqbuf,
+	.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
+	.vidioc_expbuf = vb2_ioctl_expbuf,
+	.vidioc_streamon = vb2_ioctl_streamon,
+	.vidioc_streamoff = vb2_ioctl_streamoff,
+	.vidioc_enum_fmt_meta_out = rkisp1_params_enum_fmt_meta_out,
+	.vidioc_g_fmt_meta_out = rkisp1_params_g_fmt_meta_out,
+	.vidioc_s_fmt_meta_out = rkisp1_params_g_fmt_meta_out,
+	.vidioc_try_fmt_meta_out = rkisp1_params_g_fmt_meta_out,
+	.vidioc_querycap = rkisp1_params_querycap,
+	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+static int rkisp1_params_vb2_queue_setup(struct vb2_queue *vq,
+					 unsigned int *num_buffers,
+					 unsigned int *num_planes,
+					 unsigned int sizes[],
+					 struct device *alloc_devs[])
+{
+	struct rkisp1_isp_params_vdev *params_vdev = vq->drv_priv;
+
+	*num_buffers = clamp_t(u32, *num_buffers,
+			       RKISP1_ISP_PARAMS_REQ_BUFS_MIN,
+			       RKISP1_ISP_PARAMS_REQ_BUFS_MAX);
+
+	*num_planes = 1;
+
+	sizes[0] = sizeof(struct rkisp1_isp_params_cfg);
+
+	INIT_LIST_HEAD(&params_vdev->params);
+	params_vdev->first_params = true;
+
+	return 0;
+}
+
+static void rkisp1_params_vb2_buf_queue(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+	struct rkisp1_buffer *params_buf = to_rkisp1_buffer(vbuf);
+	struct vb2_queue *vq = vb->vb2_queue;
+	struct rkisp1_isp_params_vdev *params_vdev = vq->drv_priv;
+	struct rkisp1_isp_params_cfg *new_params;
+	unsigned long flags;
+
+	unsigned int cur_frame_id = -1;
+
+	cur_frame_id =
+		atomic_read(&params_vdev->dev->isp_sdev.frm_sync_seq) - 1;
+
+	if (params_vdev->first_params) {
+		new_params = (struct rkisp1_isp_params_cfg *)
+			(vb2_plane_vaddr(vb, 0));
+		vbuf->sequence = cur_frame_id;
+		vb2_buffer_done(&params_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
+		params_vdev->first_params = false;
+		params_vdev->cur_params = *new_params;
+		return;
+	}
+
+	params_buf->vaddr[0] = vb2_plane_vaddr(vb, 0);
+	spin_lock_irqsave(&params_vdev->config_lock, flags);
+	list_add_tail(&params_buf->queue, &params_vdev->params);
+	spin_unlock_irqrestore(&params_vdev->config_lock, flags);
+}
+
+static int rkisp1_params_vb2_buf_prepare(struct vb2_buffer *vb)
+{
+	if (vb2_plane_size(vb, 0) < sizeof(struct rkisp1_isp_params_cfg))
+		return -EINVAL;
+
+	vb2_set_plane_payload(vb, 0, sizeof(struct rkisp1_isp_params_cfg));
+
+	return 0;
+}
+
+static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq)
+{
+	struct rkisp1_isp_params_vdev *params_vdev = vq->drv_priv;
+	struct rkisp1_buffer *buf;
+	unsigned long flags;
+	unsigned int i;
+
+	/* stop params input firstly */
+	spin_lock_irqsave(&params_vdev->config_lock, flags);
+	params_vdev->streamon = false;
+	spin_unlock_irqrestore(&params_vdev->config_lock, flags);
+
+	for (i = 0; i < RKISP1_ISP_PARAMS_REQ_BUFS_MAX; i++) {
+		spin_lock_irqsave(&params_vdev->config_lock, flags);
+		if (!list_empty(&params_vdev->params)) {
+			buf = list_first_entry(&params_vdev->params,
+					       struct rkisp1_buffer, queue);
+			list_del(&buf->queue);
+			spin_unlock_irqrestore(&params_vdev->config_lock,
+					       flags);
+		} else {
+			spin_unlock_irqrestore(&params_vdev->config_lock,
+					       flags);
+			break;
+		}
+
+		if (buf)
+			vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
+		buf = NULL;
+	}
+}
+
+static int
+rkisp1_params_vb2_start_streaming(struct vb2_queue *queue, unsigned int count)
+{
+	struct rkisp1_isp_params_vdev *params_vdev = queue->drv_priv;
+	unsigned long flags;
+
+	spin_lock_irqsave(&params_vdev->config_lock, flags);
+	params_vdev->streamon = true;
+	spin_unlock_irqrestore(&params_vdev->config_lock, flags);
+
+	return 0;
+}
+
+static struct vb2_ops rkisp1_params_vb2_ops = {
+	.queue_setup = rkisp1_params_vb2_queue_setup,
+	.wait_prepare = vb2_ops_wait_prepare,
+	.wait_finish = vb2_ops_wait_finish,
+	.buf_queue = rkisp1_params_vb2_buf_queue,
+	.buf_prepare = rkisp1_params_vb2_buf_prepare,
+	.start_streaming = rkisp1_params_vb2_start_streaming,
+	.stop_streaming = rkisp1_params_vb2_stop_streaming,
+
+};
+
+static struct v4l2_file_operations rkisp1_params_fops = {
+	.mmap = vb2_fop_mmap,
+	.unlocked_ioctl = video_ioctl2,
+	.poll = vb2_fop_poll,
+	.open = v4l2_fh_open,
+	.release = vb2_fop_release
+};
+
+static int
+rkisp1_params_init_vb2_queue(struct vb2_queue *q,
+			     struct rkisp1_isp_params_vdev *params_vdev)
+{
+	struct rkisp1_vdev_node *node;
+
+	node = queue_to_node(q);
+
+	q->type = V4L2_BUF_TYPE_META_OUTPUT;
+	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+	q->drv_priv = params_vdev;
+	q->ops = &rkisp1_params_vb2_ops;
+	q->mem_ops = &vb2_vmalloc_memops;
+	q->buf_struct_size = sizeof(struct rkisp1_buffer);
+	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	q->lock = &node->vlock;
+
+	return vb2_queue_init(q);
+}
+
+static void rkisp1_init_params_vdev(struct rkisp1_isp_params_vdev *params_vdev)
+{
+	params_vdev->vdev_fmt.fmt.meta.dataformat =
+		V4L2_META_FMT_RK_ISP1_PARAMS;
+	params_vdev->vdev_fmt.fmt.meta.buffersize =
+		sizeof(struct rkisp1_isp_params_cfg);
+}
+
+int rkisp1_register_params_vdev(struct rkisp1_isp_params_vdev *params_vdev,
+				struct v4l2_device *v4l2_dev,
+				struct rkisp1_device *dev)
+{
+	struct rkisp1_vdev_node *node = &params_vdev->vnode;
+	struct video_device *vdev = &node->vdev;
+	int ret;
+
+	params_vdev->dev = dev;
+	mutex_init(&node->vlock);
+	spin_lock_init(&params_vdev->config_lock);
+
+	strscpy(vdev->name, "rkisp1-input-params", sizeof(vdev->name));
+
+	video_set_drvdata(vdev, params_vdev);
+	vdev->ioctl_ops = &rkisp1_params_ioctl;
+	vdev->fops = &rkisp1_params_fops;
+	vdev->release = video_device_release_empty;
+	/*
+	 * Provide a mutex to v4l2 core. It will be used
+	 * to protect all fops and v4l2 ioctls.
+	 */
+	vdev->lock = &node->vlock;
+	vdev->v4l2_dev = v4l2_dev;
+	vdev->queue = &node->buf_queue;
+	vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_META_OUTPUT;
+	vdev->vfl_dir = VFL_DIR_TX;
+	rkisp1_params_init_vb2_queue(vdev->queue, params_vdev);
+	rkisp1_init_params_vdev(params_vdev);
+	video_set_drvdata(vdev, params_vdev);
+
+	node->pad.flags = MEDIA_PAD_FL_SOURCE;
+	ret = media_entity_pads_init(&vdev->entity, 1, &node->pad);
+	if (ret < 0)
+		goto err_release_queue;
+	ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+	if (ret < 0) {
+		dev_err(&vdev->dev,
+			"could not register Video for Linux device\n");
+		goto err_cleanup_media_entity;
+	}
+	return 0;
+err_cleanup_media_entity:
+	media_entity_cleanup(&vdev->entity);
+err_release_queue:
+	vb2_queue_release(vdev->queue);
+	return ret;
+}
+
+void rkisp1_unregister_params_vdev(struct rkisp1_isp_params_vdev *params_vdev)
+{
+	struct rkisp1_vdev_node *node = &params_vdev->vnode;
+	struct video_device *vdev = &node->vdev;
+
+	video_unregister_device(vdev);
+	media_entity_cleanup(&vdev->entity);
+	vb2_queue_release(vdev->queue);
+}
diff --git a/drivers/staging/media/rkisp1/isp_params.h b/drivers/staging/media/rkisp1/isp_params.h
new file mode 100644
index 000000000000..f3a2b1628a52
--- /dev/null
+++ b/drivers/staging/media/rkisp1/isp_params.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Rockchip ISP1 Driver - Params subdevice header
+ *
+ * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef _RKISP1_ISP_H
+#define _RKISP1_ISP_H
+
+#include "uapi/rkisp1-config.h"
+
+#include "common.h"
+
+/*
+ * struct rkisp1_isp_subdev - ISP input parameters device
+ *
+ * @cur_params: Current ISP parameters
+ * @first_params: the first params should take effect immediately
+ */
+struct rkisp1_isp_params_vdev {
+	struct rkisp1_vdev_node vnode;
+	struct rkisp1_device *dev;
+
+	spinlock_t config_lock;
+	struct list_head params;
+	struct rkisp1_isp_params_cfg cur_params;
+	struct v4l2_format vdev_fmt;
+	bool streamon;
+	bool first_params;
+
+	enum v4l2_quantization quantization;
+	enum rkisp1_fmt_raw_pat_type raw_type;
+};
+
+/* config params before ISP streaming */
+void rkisp1_params_configure_isp(struct rkisp1_isp_params_vdev *params_vdev,
+				 const struct rkisp1_fmt *in_fmt,
+				 enum v4l2_quantization quantization);
+void rkisp1_params_disable_isp(struct rkisp1_isp_params_vdev *params_vdev);
+
+int rkisp1_register_params_vdev(struct rkisp1_isp_params_vdev *params_vdev,
+				struct v4l2_device *v4l2_dev,
+				struct rkisp1_device *dev);
+
+void rkisp1_unregister_params_vdev(struct rkisp1_isp_params_vdev *params_vdev);
+
+void rkisp1_params_isr(struct rkisp1_device *dev, u32 isp_mis);
+
+#endif /* _RKISP1_ISP_H */
-- 
2.22.0