[libcamera-devel] [PATCH 11/13] include: linux: Add rkisp1-config.h kernel header
Niklas Söderlund
niklas.soderlund at ragnatech.se
Thu Aug 29 23:42:56 CEST 2019
Hi Kieran,
Thanks for your feedback.
On 2019-08-29 16:20:25 +0100, Kieran Bingham wrote:
> Hi Niklas,
>
> On 28/08/2019 02:17, Niklas Söderlund wrote:
> > Add kernel header for Rockchip ISP1 from the rkisp1 patch set. As the
> > driver is currently out of tree, the header file is not exported as part
> > of the standard kernel uAPI.
> >
> > Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
>
> I'll consider this a given, and assume it's taken verbatim ... but do we
> need to make sure that it is correctly exported and run through any uAPI
> conversions necessary?
>
> Perhaps no change is necessary from the uapi-export process for this
> header, but worth checking. Like do the "__attribute__ ((packed));"
> usages change to anything?
I did run it thru the scripts/headers_install.sh helper to export it, so
it *should* have the same style as any other uapi header.
>
> Or is that the style used by the export process?
>
> When confirmed it's suitable for userspace consumption:
>
> Acked-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
Thanks I will collect your tag, but I'm still a bit divided if we should
merge this before the rkisp1 driver hits upstream.
>
>
> > ---
> > include/linux/rkisp1-config.h | 798 ++++++++++++++++++++++++++++++++++
> > include/linux/videodev2.h | 4 +
> > 2 files changed, 802 insertions(+)
> > create mode 100644 include/linux/rkisp1-config.h
> >
> > diff --git a/include/linux/rkisp1-config.h b/include/linux/rkisp1-config.h
> > new file mode 100644
> > index 0000000000000000..53748672dfea4dcb
> > --- /dev/null
> > +++ b/include/linux/rkisp1-config.h
> > @@ -0,0 +1,798 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Rockchip isp1 driver
> > + * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
> > + */
> > +
> > +/*
> > + * References:
> > + * REF_01 - ISP_user_manual, Rev 2.57
> > + */
> > +
> > +#ifndef _RKISP1_CONFIG_H
> > +#define _RKISP1_CONFIG_H
> > +
> > +#include <linux/types.h>
> > +#include <linux/v4l2-controls.h>
> > +
> > +#define CIFISP_MODULE_DPCC (1 << 0)
> > +#define CIFISP_MODULE_BLS (1 << 1)
> > +#define CIFISP_MODULE_SDG (1 << 2)
> > +#define CIFISP_MODULE_HST (1 << 3)
> > +#define CIFISP_MODULE_LSC (1 << 4)
> > +#define CIFISP_MODULE_AWB_GAIN (1 << 5)
> > +#define CIFISP_MODULE_FLT (1 << 6)
> > +#define CIFISP_MODULE_BDM (1 << 7)
> > +#define CIFISP_MODULE_CTK (1 << 8)
> > +#define CIFISP_MODULE_GOC (1 << 9)
> > +#define CIFISP_MODULE_CPROC (1 << 10)
> > +#define CIFISP_MODULE_AFC (1 << 11)
> > +#define CIFISP_MODULE_AWB (1 << 12)
> > +#define CIFISP_MODULE_IE (1 << 13)
> > +#define CIFISP_MODULE_AEC (1 << 14)
> > +#define CIFISP_MODULE_WDR (1 << 15)
> > +#define CIFISP_MODULE_DPF (1 << 16)
> > +#define CIFISP_MODULE_DPF_STRENGTH (1 << 17)
> > +
> > +#define CIFISP_CTK_COEFF_MAX 0x100
> > +#define CIFISP_CTK_OFFSET_MAX 0x800
> > +
> > +#define CIFISP_AE_MEAN_MAX 25
> > +#define CIFISP_HIST_BIN_N_MAX 16
> > +#define CIFISP_AFM_MAX_WINDOWS 3
> > +#define CIFISP_DEGAMMA_CURVE_SIZE 17
> > +
> > +#define CIFISP_BDM_MAX_TH 0xFF
> > +
> > +/*
> > + * Black level compensation
> > + */
> > +/* maximum value for horizontal start address */
> > +#define CIFISP_BLS_START_H_MAX 0x00000FFF
> > +/* maximum value for horizontal stop address */
> > +#define CIFISP_BLS_STOP_H_MAX 0x00000FFF
> > +/* maximum value for vertical start address */
> > +#define CIFISP_BLS_START_V_MAX 0x00000FFF
> > +/* maximum value for vertical stop address */
> > +#define CIFISP_BLS_STOP_V_MAX 0x00000FFF
> > +/* maximum is 2^18 = 262144*/
> > +#define CIFISP_BLS_SAMPLES_MAX 0x00000012
> > +/* maximum value for fixed black level */
> > +#define CIFISP_BLS_FIX_SUB_MAX 0x00000FFF
> > +/* minimum value for fixed black level */
> > +#define CIFISP_BLS_FIX_SUB_MIN 0xFFFFF000
> > +/* 13 bit range (signed)*/
> > +#define CIFISP_BLS_FIX_MASK 0x00001FFF
> > +
> > +/*
> > + * Automatic white balance measurments
> > + */
> > +#define CIFISP_AWB_MAX_GRID 1
> > +#define CIFISP_AWB_MAX_FRAMES 7
> > +
> > +/*
> > + * Gamma out
> > + */
> > +/* Maximum number of color samples supported */
> > +#define CIFISP_GAMMA_OUT_MAX_SAMPLES 17
> > +
> > +/*
> > + * Lens shade correction
> > + */
> > +#define CIFISP_LSC_GRAD_TBL_SIZE 8
> > +#define CIFISP_LSC_SIZE_TBL_SIZE 8
> > +/*
> > + * The following matches the tuning process,
> > + * not the max capabilities of the chip.
> > + * Last value unused.
> > + */
> > +#define CIFISP_LSC_DATA_TBL_SIZE 290
> > +
> > +/*
> > + * Histogram calculation
> > + */
> > +/* Last 3 values unused. */
> > +#define CIFISP_HISTOGRAM_WEIGHT_GRIDS_SIZE 28
> > +
> > +/*
> > + * Defect Pixel Cluster Correction
> > + */
> > +#define CIFISP_DPCC_METHODS_MAX 3
> > +
> > +/*
> > + * Denoising pre filter
> > + */
> > +#define CIFISP_DPF_MAX_NLF_COEFFS 17
> > +#define CIFISP_DPF_MAX_SPATIAL_COEFFS 6
> > +
> > +/*
> > + * Measurement types
> > + */
> > +#define CIFISP_STAT_AWB (1 << 0)
> > +#define CIFISP_STAT_AUTOEXP (1 << 1)
> > +#define CIFISP_STAT_AFM_FIN (1 << 2)
> > +#define CIFISP_STAT_HIST (1 << 3)
> > +
> > +enum cifisp_histogram_mode {
> > + CIFISP_HISTOGRAM_MODE_DISABLE,
> > + CIFISP_HISTOGRAM_MODE_RGB_COMBINED,
> > + CIFISP_HISTOGRAM_MODE_R_HISTOGRAM,
> > + CIFISP_HISTOGRAM_MODE_G_HISTOGRAM,
> > + CIFISP_HISTOGRAM_MODE_B_HISTOGRAM,
> > + CIFISP_HISTOGRAM_MODE_Y_HISTOGRAM
> > +};
> > +
> > +enum cifisp_awb_mode_type {
> > + CIFISP_AWB_MODE_MANUAL,
> > + CIFISP_AWB_MODE_RGB,
> > + CIFISP_AWB_MODE_YCBCR
> > +};
> > +
> > +enum cifisp_flt_mode {
> > + CIFISP_FLT_STATIC_MODE,
> > + CIFISP_FLT_DYNAMIC_MODE
> > +};
> > +
> > +/**
> > + * enum cifisp_exp_ctrl_autostop - stop modes
> > + * @CIFISP_EXP_CTRL_AUTOSTOP_0: continuous measurement
> > + * @CIFISP_EXP_CTRL_AUTOSTOP_1: stop measuring after a complete frame
> > + */
> > +enum cifisp_exp_ctrl_autostop {
> > + CIFISP_EXP_CTRL_AUTOSTOP_0 = 0,
> > + CIFISP_EXP_CTRL_AUTOSTOP_1 = 1,
> > +};
> > +
> > +/**
> > + * enum cifisp_exp_meas_mode - Exposure measure mode
> > + * @CIFISP_EXP_MEASURING_MODE_0: Y = 16 + 0.25R + 0.5G + 0.1094B
> > + * @CIFISP_EXP_MEASURING_MODE_1: Y = (R + G + B) x (85/256)
> > + */
> > +enum cifisp_exp_meas_mode {
> > + CIFISP_EXP_MEASURING_MODE_0,
> > + CIFISP_EXP_MEASURING_MODE_1,
> > +};
> > +
> > +/*---------- PART1: Input Parameters ------------*/
> > +
> > +struct cifisp_window {
> > + __u16 h_offs;
> > + __u16 v_offs;
> > + __u16 h_size;
> > + __u16 v_size;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_bls_fixed_val - BLS fixed subtraction values
> > + *
> > + * The values will be subtracted from the sensor
> > + * values. Therefore a negative value means addition instead of subtraction!
> > + *
> > + * @r: Fixed (signed!) subtraction value for Bayer pattern R
> > + * @gr: Fixed (signed!) subtraction value for Bayer pattern Gr
> > + * @gb: Fixed (signed!) subtraction value for Bayer pattern Gb
> > + * @b: Fixed (signed!) subtraction value for Bayer pattern B
> > + */
> > +struct cifisp_bls_fixed_val {
> > + __s16 r;
> > + __s16 gr;
> > + __s16 gb;
> > + __s16 b;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_bls_config - Configuration used by black level subtraction
> > + *
> > + * @enable_auto: Automatic mode activated means that the measured values
> > + * are subtracted. Otherwise the fixed subtraction
> > + * values will be subtracted.
> > + * @en_windows: enabled window
> > + * @bls_window1: Measurement window 1 size
> > + * @bls_window2: Measurement window 2 size
> > + * @bls_samples: Set amount of measured pixels for each Bayer position
> > + * (A, B,C and D) to 2^bls_samples.
> > + * @cifisp_bls_fixed_val: Fixed subtraction values
> > + */
> > +struct cifisp_bls_config {
> > + __u8 enable_auto;
> > + __u8 en_windows;
> > + struct cifisp_window bls_window1;
> > + struct cifisp_window bls_window2;
> > + __u8 bls_samples;
> > + struct cifisp_bls_fixed_val fixed_val;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpcc_methods_config - Methods Configuration used by Defect Pixel Cluster Correction
> > + *
> > + * @method: Method enable bits
> > + * @line_thresh: Line threshold
> > + * @line_mad_fac: Line MAD factor
> > + * @pg_fac: Peak gradient factor
> > + * @rnd_thresh: Rank Neighbor Difference threshold
> > + * @rg_fac: Rank gradient factor
> > + */
> > +struct cifisp_dpcc_methods_config {
> > + __u32 method;
> > + __u32 line_thresh;
> > + __u32 line_mad_fac;
> > + __u32 pg_fac;
> > + __u32 rnd_thresh;
> > + __u32 rg_fac;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpcc_methods_config - Configuration used by Defect Pixel Cluster Correction
> > + *
> > + * @mode: dpcc output mode
> > + * @output_mode: whether use hard coded methods
> > + * @set_use: stage1 methods set
> > + * @methods: methods config
> > + * @ro_limits: rank order limits
> > + * @rnd_offs: differential rank offsets for rank neighbor difference
> > + */
> > +struct cifisp_dpcc_config {
> > + __u32 mode;
> > + __u32 output_mode;
> > + __u32 set_use;
> > + struct cifisp_dpcc_methods_config methods[CIFISP_DPCC_METHODS_MAX];
> > + __u32 ro_limits;
> > + __u32 rnd_offs;
> > +} __attribute__ ((packed));
> > +
> > +struct cifisp_gamma_corr_curve {
> > + __u16 gamma_y[CIFISP_DEGAMMA_CURVE_SIZE];
> > +} __attribute__ ((packed));
> > +
> > +struct cifisp_gamma_curve_x_axis_pnts {
> > + __u32 gamma_dx0;
> > + __u32 gamma_dx1;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_gamma_corr_curve - Configuration used by sensor degamma
> > + *
> > + * @curve_x: gamma curve point definition axis for x
> > + * @xa_pnts: x increments
> > + */
> > +struct cifisp_sdg_config {
> > + struct cifisp_gamma_corr_curve curve_r;
> > + struct cifisp_gamma_corr_curve curve_g;
> > + struct cifisp_gamma_corr_curve curve_b;
> > + struct cifisp_gamma_curve_x_axis_pnts xa_pnts;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_lsc_config - Configuration used by Lens shading correction
> > + *
> > + * refer to REF_01 for details
> > + */
> > +struct cifisp_lsc_config {
> > + __u32 r_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
> > + __u32 gr_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
> > + __u32 gb_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
> > + __u32 b_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
> > +
> > + __u32 x_grad_tbl[CIFISP_LSC_GRAD_TBL_SIZE];
> > + __u32 y_grad_tbl[CIFISP_LSC_GRAD_TBL_SIZE];
> > +
> > + __u32 x_size_tbl[CIFISP_LSC_SIZE_TBL_SIZE];
> > + __u32 y_size_tbl[CIFISP_LSC_SIZE_TBL_SIZE];
> > + __u16 config_width;
> > + __u16 config_height;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_ie_config - Configuration used by image effects
> > + *
> > + * @eff_mat_1: 3x3 Matrix Coefficients for Emboss Effect 1
> > + * @eff_mat_2: 3x3 Matrix Coefficients for Emboss Effect 2
> > + * @eff_mat_3: 3x3 Matrix Coefficients for Emboss 3/Sketch 1
> > + * @eff_mat_4: 3x3 Matrix Coefficients for Sketch Effect 2
> > + * @eff_mat_5: 3x3 Matrix Coefficients for Sketch Effect 3
> > + * @eff_tint: Chrominance increment values of tint (used for sepia effect)
> > + */
> > +struct cifisp_ie_config {
> > + __u16 effect;
> > + __u16 color_sel;
> > + __u16 eff_mat_1;
> > + __u16 eff_mat_2;
> > + __u16 eff_mat_3;
> > + __u16 eff_mat_4;
> > + __u16 eff_mat_5;
> > + __u16 eff_tint;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_cproc_config - Configuration used by Color Processing
> > + *
> > + * @c_out_range: Chrominance pixel clipping range at output. (0 for limit, 1 for full)
> > + * @y_in_range: Luminance pixel clipping range at output.
> > + * @y_out_range: Luminance pixel clipping range at output.
> > + * @contrast: 00~ff, 0.0~1.992
> > + * @brightness: 80~7F, -128~+127
> > + * @sat: saturation, 00~FF, 0.0~1.992
> > + * @hue: 80~7F, -90~+87.188
> > + */
> > +struct cifisp_cproc_config {
> > + __u8 c_out_range;
> > + __u8 y_in_range;
> > + __u8 y_out_range;
> > + __u8 contrast;
> > + __u8 brightness;
> > + __u8 sat;
> > + __u8 hue;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_awb_meas_config - Configuration used by auto white balance
> > + *
> > + * @awb_wnd: white balance measurement window (in pixels) (from enum cifisp_awb_mode_type)
> > + * @max_y: only pixels values < max_y contribute to awb measurement, set to 0 to disable this feature
> > + * @min_y: only pixels values > min_y contribute to awb measurement
> > + * @max_csum: Chrominance sum maximum value, only consider pixels with Cb+Cr,
> > + * smaller than threshold for awb measurements
> > + * @min_c: Chrominance minimum value, only consider pixels with Cb/Cr
> > + * each greater than threshold value for awb measurements
> > + * @frames: number of frames - 1 used for mean value calculation (ucFrames=0 means 1 Frame)
> > + * @awb_ref_cr: reference Cr value for AWB regulation, target for AWB
> > + * @awb_ref_cb: reference Cb value for AWB regulation, target for AWB
> > + */
> > +struct cifisp_awb_meas_config {
> > + /*
> > + * Note: currently the h and v offsets are mapped to grid offsets
> > + */
> > + struct cifisp_window awb_wnd;
> > + __u32 awb_mode;
> > + __u8 max_y;
> > + __u8 min_y;
> > + __u8 max_csum;
> > + __u8 min_c;
> > + __u8 frames;
> > + __u8 awb_ref_cr;
> > + __u8 awb_ref_cb;
> > + __u8 enable_ymax_cmp;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_awb_gain_config - Configuration used by auto white balance gain
> > + *
> > + * out_data_x = ( AWB_GEAIN_X * in_data + 128) >> 8
> > + */
> > +struct cifisp_awb_gain_config {
> > + __u16 gain_red;
> > + __u16 gain_green_r;
> > + __u16 gain_blue;
> > + __u16 gain_green_b;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_flt_config - Configuration used by ISP filtering
> > + *
> > + * @mode: ISP_FILT_MODE register fields (from enum cifisp_flt_mode)
> > + * @grn_stage1: ISP_FILT_MODE register fields
> > + * @chr_h_mode: ISP_FILT_MODE register fields
> > + * @chr_v_mode: ISP_FILT_MODE register fields
> > + *
> > + * refer to REF_01 for details.
> > + */
> > +
> > +struct cifisp_flt_config {
> > + __u32 mode;
> > + __u8 grn_stage1;
> > + __u8 chr_h_mode;
> > + __u8 chr_v_mode;
> > + __u32 thresh_bl0;
> > + __u32 thresh_bl1;
> > + __u32 thresh_sh0;
> > + __u32 thresh_sh1;
> > + __u32 lum_weight;
> > + __u32 fac_sh1;
> > + __u32 fac_sh0;
> > + __u32 fac_mid;
> > + __u32 fac_bl0;
> > + __u32 fac_bl1;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_bdm_config - Configuration used by Bayer DeMosaic
> > + *
> > + * @demosaic_th: threshod for bayer demosaicing texture detection
> > + */
> > +struct cifisp_bdm_config {
> > + __u8 demosaic_th;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_ctk_config - Configuration used by Cross Talk correction
> > + *
> > + * @coeff: color correction matrix
> > + * @ct_offset_b: offset for the crosstalk correction matrix
> > + */
> > +struct cifisp_ctk_config {
> > + __u16 coeff0;
> > + __u16 coeff1;
> > + __u16 coeff2;
> > + __u16 coeff3;
> > + __u16 coeff4;
> > + __u16 coeff5;
> > + __u16 coeff6;
> > + __u16 coeff7;
> > + __u16 coeff8;
> > + __u16 ct_offset_r;
> > + __u16 ct_offset_g;
> > + __u16 ct_offset_b;
> > +} __attribute__ ((packed));
> > +
> > +enum cifisp_goc_mode {
> > + CIFISP_GOC_MODE_LOGARITHMIC,
> > + CIFISP_GOC_MODE_EQUIDISTANT
> > +};
> > +
> > +/**
> > + * struct cifisp_goc_config - Configuration used by Gamma Out correction
> > + *
> > + * @mode: goc mode (from enum cifisp_goc_mode)
> > + * @gamma_y: gamma out curve y-axis for all color components
> > + */
> > +struct cifisp_goc_config {
> > + __u32 mode;
> > + __u16 gamma_y[CIFISP_GAMMA_OUT_MAX_SAMPLES];
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_hst_config - Configuration used by Histogram
> > + *
> > + * @mode: histogram mode (from enum cifisp_histogram_mode)
> > + * @histogram_predivider: process every stepsize pixel, all other pixels are skipped
> > + * @meas_window: coordinates of the measure window
> > + * @hist_weight: weighting factor for sub-windows
> > + */
> > +struct cifisp_hst_config {
> > + __u32 mode;
> > + __u8 histogram_predivider;
> > + struct cifisp_window meas_window;
> > + __u8 hist_weight[CIFISP_HISTOGRAM_WEIGHT_GRIDS_SIZE];
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_aec_config - Configuration used by Auto Exposure Control
> > + *
> > + * @mode: Exposure measure mode (from enum cifisp_exp_meas_mode)
> > + * @autostop: stop mode (from enum cifisp_exp_ctrl_autostop)
> > + * @meas_window: coordinates of the measure window
> > + */
> > +struct cifisp_aec_config {
> > + __u32 mode;
> > + __u32 autostop;
> > + struct cifisp_window meas_window;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_afc_config - Configuration used by Auto Focus Control
> > + *
> > + * @num_afm_win: max CIFISP_AFM_MAX_WINDOWS
> > + * @afm_win: coordinates of the meas window
> > + * @thres: threshold used for minimizing the influence of noise
> > + * @var_shift: the number of bits for the shift operation at the end of the calculation chain.
> > + */
> > +struct cifisp_afc_config {
> > + __u8 num_afm_win;
> > + struct cifisp_window afm_win[CIFISP_AFM_MAX_WINDOWS];
> > + __u32 thres;
> > + __u32 var_shift;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * enum cifisp_dpf_gain_usage - dpf gain usage
> > + * @CIFISP_DPF_GAIN_USAGE_DISABLED: don't use any gains in preprocessing stage
> > + * @CIFISP_DPF_GAIN_USAGE_NF_GAINS: use only the noise function gains from registers DPF_NF_GAIN_R, ...
> > + * @CIFISP_DPF_GAIN_USAGE_LSC_GAINS: use only the gains from LSC module
> > + * @CIFISP_DPF_GAIN_USAGE_NF_LSC_GAINS: use the noise function gains and the gains from LSC module
> > + * @CIFISP_DPF_GAIN_USAGE_AWB_GAINS: use only the gains from AWB module
> > + * @CIFISP_DPF_GAIN_USAGE_AWB_LSC_GAINS: use the gains from AWB and LSC module
> > + * @CIFISP_DPF_GAIN_USAGE_MAX: upper border (only for an internal evaluation)
> > + */
> > +enum cifisp_dpf_gain_usage {
> > + CIFISP_DPF_GAIN_USAGE_DISABLED,
> > + CIFISP_DPF_GAIN_USAGE_NF_GAINS,
> > + CIFISP_DPF_GAIN_USAGE_LSC_GAINS,
> > + CIFISP_DPF_GAIN_USAGE_NF_LSC_GAINS,
> > + CIFISP_DPF_GAIN_USAGE_AWB_GAINS,
> > + CIFISP_DPF_GAIN_USAGE_AWB_LSC_GAINS,
> > + CIFISP_DPF_GAIN_USAGE_MAX
> > +};
> > +
> > +/**
> > + * enum cifisp_dpf_gain_usage - dpf gain usage
> > + * @CIFISP_DPF_RB_FILTERSIZE_13x9: red and blue filter kernel size 13x9 (means 7x5 active pixel)
> > + * @CIFISP_DPF_RB_FILTERSIZE_9x9: red and blue filter kernel size 9x9 (means 5x5 active pixel)
> > + */
> > +enum cifisp_dpf_rb_filtersize {
> > + CIFISP_DPF_RB_FILTERSIZE_13x9,
> > + CIFISP_DPF_RB_FILTERSIZE_9x9,
> > +};
> > +
> > +/**
> > + * enum cifisp_dpf_nll_scale_mode - dpf noise level scale mode
> > + * @CIFISP_NLL_SCALE_LINEAR: use a linear scaling
> > + * @CIFISP_NLL_SCALE_LOGARITHMIC: use a logarithmic scaling
> > + */
> > +enum cifisp_dpf_nll_scale_mode {
> > + CIFISP_NLL_SCALE_LINEAR,
> > + CIFISP_NLL_SCALE_LOGARITHMIC,
> > +};
> > +
> > +/**
> > + * struct cifisp_dpf_nll - Noise level lookup
> > + *
> > + * @coeff: Noise level Lookup coefficient
> > + * @scale_mode: dpf noise level scale mode (from enum cifisp_dpf_nll_scale_mode)
> > + */
> > +struct cifisp_dpf_nll {
> > + __u16 coeff[CIFISP_DPF_MAX_NLF_COEFFS];
> > + __u32 scale_mode;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpf_rb_flt - Red blue filter config
> > + *
> > + * @fltsize: The filter size for the red and blue pixels
> > + * (from enum cifisp_dpf_rb_filtersize)
> > + * @spatial_coeff: Spatial weights
> > + * @r_enable: enable filter processing for red pixels
> > + * @b_enable: enable filter processing for blue pixels
> > + */
> > +struct cifisp_dpf_rb_flt {
> > + __u32 fltsize;
> > + __u8 spatial_coeff[CIFISP_DPF_MAX_SPATIAL_COEFFS];
> > + __u8 r_enable;
> > + __u8 b_enable;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpf_g_flt - Green filter Configuration
> > + *
> > + * @spatial_coeff: Spatial weights
> > + * @gr_enable: enable filter processing for green pixels in green/red lines
> > + * @gb_enable: enable filter processing for green pixels in green/blue lines
> > + */
> > +struct cifisp_dpf_g_flt {
> > + __u8 spatial_coeff[CIFISP_DPF_MAX_SPATIAL_COEFFS];
> > + __u8 gr_enable;
> > + __u8 gb_enable;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpf_gain - Noise function Configuration
> > + *
> > + * @mode: dpf gain usage (from enum cifisp_dpf_gain_usage)
> > + * @nf_r_gain: Noise function Gain that replaces the AWB gain for red pixels
> > + * @nf_b_gain: Noise function Gain that replaces the AWB gain for blue pixels
> > + * @nf_gr_gain: Noise function Gain that replaces the AWB gain
> > + * for green pixels in a red line
> > + * @nf_gb_gain: Noise function Gain that replaces the AWB gain
> > + * for green pixels in a blue line
> > + */
> > +struct cifisp_dpf_gain {
> > + __u32 mode;
> > + __u16 nf_r_gain;
> > + __u16 nf_b_gain;
> > + __u16 nf_gr_gain;
> > + __u16 nf_gb_gain;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpf_config - Configuration used by De-noising pre-filter
> > + *
> > + * @gain: noise function gain
> > + * @g_flt: green filter config
> > + * @rb_flt: red blue filter config
> > + * @nll: noise level lookup
> > + */
> > +struct cifisp_dpf_config {
> > + struct cifisp_dpf_gain gain;
> > + struct cifisp_dpf_g_flt g_flt;
> > + struct cifisp_dpf_rb_flt rb_flt;
> > + struct cifisp_dpf_nll nll;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_dpf_strength_config - strength of the filter
> > + *
> > + * @r: filter strength of the RED filter
> > + * @g: filter strength of the GREEN filter
> > + * @b: filter strength of the BLUE filter
> > + */
> > +struct cifisp_dpf_strength_config {
> > + __u8 r;
> > + __u8 g;
> > + __u8 b;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_isp_other_cfg - Parameters for some blocks in rockchip isp1
> > + *
> > + * @dpcc_config: Defect Pixel Cluster Correction config
> > + * @bls_config: Black Level Subtraction config
> > + * @sdg_config: sensor degamma config
> > + * @lsc_config: Lens Shade config
> > + * @awb_gain_config: Auto White balance gain config
> > + * @flt_config: filter config
> > + * @bdm_config: demosaic config
> > + * @ctk_config: cross talk config
> > + * @goc_config: gamma out config
> > + * @bls_config: black level subtraction config
> > + * @dpf_config: De-noising pre-filter config
> > + * @dpf_strength_config: dpf strength config
> > + * @cproc_config: color process config
> > + * @ie_config: image effects config
> > + */
> > +struct cifisp_isp_other_cfg {
> > + struct cifisp_dpcc_config dpcc_config;
> > + struct cifisp_bls_config bls_config;
> > + struct cifisp_sdg_config sdg_config;
> > + struct cifisp_lsc_config lsc_config;
> > + struct cifisp_awb_gain_config awb_gain_config;
> > + struct cifisp_flt_config flt_config;
> > + struct cifisp_bdm_config bdm_config;
> > + struct cifisp_ctk_config ctk_config;
> > + struct cifisp_goc_config goc_config;
> > + struct cifisp_dpf_config dpf_config;
> > + struct cifisp_dpf_strength_config dpf_strength_config;
> > + struct cifisp_cproc_config cproc_config;
> > + struct cifisp_ie_config ie_config;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_isp_meas_cfg - Rockchip ISP1 Measure Parameters
> > + *
> > + * @awb_meas_config: auto white balance config
> > + * @hst_config: histogram config
> > + * @aec_config: auto exposure config
> > + * @afc_config: auto focus config
> > + */
> > +struct cifisp_isp_meas_cfg {
> > + struct cifisp_awb_meas_config awb_meas_config;
> > + struct cifisp_hst_config hst_config;
> > + struct cifisp_aec_config aec_config;
> > + struct cifisp_afc_config afc_config;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct rkisp1_isp_params_cfg - Rockchip ISP1 Input Parameters Meta Data
> > + *
> > + * @module_en_update: mask the enable bits of which module should be updated
> > + * @module_ens: mask the enable value of each module, only update the module
> > + * which correspond bit was set in module_en_update
> > + * @module_cfg_update: mask the config bits of which module should be updated
> > + * @meas: measurement config
> > + * @others: other config
> > + */
> > +struct rkisp1_isp_params_cfg {
> > + __u32 module_en_update;
> > + __u32 module_ens;
> > + __u32 module_cfg_update;
> > +
> > + struct cifisp_isp_meas_cfg meas;
> > + struct cifisp_isp_other_cfg others;
> > +} __attribute__ ((packed));
> > +
> > +/*---------- PART2: Measurement Statistics ------------*/
> > +
> > +/**
> > + * struct cifisp_bls_meas_val - AWB measured values
> > + *
> > + * @cnt: White pixel count, number of "white pixels" found during laster measurement
> > + * @mean_y_or_g: Mean value of Y within window and frames, Green if RGB is selected.
> > + * @mean_cb_or_b: Mean value of Cb within window and frames, Blue if RGB is selected.
> > + * @mean_cr_or_r: Mean value of Cr within window and frames, Red if RGB is selected.
> > + */
> > +struct cifisp_awb_meas {
> > + __u32 cnt;
> > + __u8 mean_y_or_g;
> > + __u8 mean_cb_or_b;
> > + __u8 mean_cr_or_r;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_awb_stat - statistics automatic white balance data
> > + *
> > + * @awb_mean: Mean measured data
> > + */
> > +struct cifisp_awb_stat {
> > + struct cifisp_awb_meas awb_mean[CIFISP_AWB_MAX_GRID];
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_bls_meas_val - BLS measured values
> > + *
> > + * @meas_r: Mean measured value for Bayer pattern R
> > + * @meas_gr: Mean measured value for Bayer pattern Gr
> > + * @meas_gb: Mean measured value for Bayer pattern Gb
> > + * @meas_b: Mean measured value for Bayer pattern B
> > + */
> > +struct cifisp_bls_meas_val {
> > + __u16 meas_r;
> > + __u16 meas_gr;
> > + __u16 meas_gb;
> > + __u16 meas_b;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_ae_stat - statistics auto exposure data
> > + *
> > + * @exp_mean: Mean luminance value of block xx
> > + * @bls_val: BLS measured values
> > + *
> > + * Image is divided into 5x5 blocks.
> > + */
> > +struct cifisp_ae_stat {
> > + __u8 exp_mean[CIFISP_AE_MEAN_MAX];
> > + struct cifisp_bls_meas_val bls_val;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_af_meas_val - AF measured values
> > + *
> > + * @sum: sharpness, refer to REF_01 for definition
> > + * @lum: luminance, refer to REF_01 for definition
> > + */
> > +struct cifisp_af_meas_val {
> > + __u32 sum;
> > + __u32 lum;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_af_stat - statistics auto focus data
> > + *
> > + * @window: AF measured value of window x
> > + *
> > + * The module measures the sharpness in 3 windows of selectable size via
> > + * register settings(ISP_AFM_*_A/B/C)
> > + */
> > +struct cifisp_af_stat {
> > + struct cifisp_af_meas_val window[CIFISP_AFM_MAX_WINDOWS];
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct cifisp_hist_stat - statistics histogram data
> > + *
> > + * @hist_bins: measured bin counters
> > + *
> > + * Measurement window divided into 25 sub-windows, set
> > + * with ISP_HIST_XXX
> > + */
> > +struct cifisp_hist_stat {
> > + __u16 hist_bins[CIFISP_HIST_BIN_N_MAX];
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct rkisp1_stat_buffer - Rockchip ISP1 Statistics Data
> > + *
> > + * @cifisp_awb_stat: statistics data for automatic white balance
> > + * @cifisp_ae_stat: statistics data for auto exposure
> > + * @cifisp_af_stat: statistics data for auto focus
> > + * @cifisp_hist_stat: statistics histogram data
> > + */
> > +struct cifisp_stat {
> > + struct cifisp_awb_stat awb;
> > + struct cifisp_ae_stat ae;
> > + struct cifisp_af_stat af;
> > + struct cifisp_hist_stat hist;
> > +} __attribute__ ((packed));
> > +
> > +/**
> > + * struct rkisp1_stat_buffer - Rockchip ISP1 Statistics Meta Data
> > + *
> > + * @meas_type: measurement types (CIFISP_STAT_ definitions)
> > + * @frame_id: frame ID for sync
> > + * @params: statistics data
> > + */
> > +struct rkisp1_stat_buffer {
> > + __u32 meas_type;
> > + __u32 frame_id;
> > + struct cifisp_stat params;
> > +} __attribute__ ((packed));
> > +
> > +#endif /* _RKISP1_CONFIG_H */
> > diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
> > index 5e739270116d3a21..2639518e2f58c796 100644
> > --- a/include/linux/videodev2.h
> > +++ b/include/linux/videodev2.h
> > @@ -727,6 +727,10 @@ struct v4l2_pix_format {
> > #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
> > #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
> >
> > +/* Vendor specific - used for IPU3 camera sub-system */
> > +#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 params */
> > +#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A statistics */
> > +
> > /* priv field value to indicates that subsequent fields are valid. */
> > #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
> >
> >
>
> --
> Regards
> --
> Kieran
--
Regards,
Niklas Söderlund
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