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Signed-off-by: Changhuang Liang Signed-off-by: Zejian Su --- MAINTAINERS | 1 + include/uapi/linux/jh7110-isp.h | 739 ++++++++++++++++++++++++++++++++ 2 files changed, 740 insertions(+) create mode 100644 include/uapi/linux/jh7110-isp.h diff --git a/MAINTAINERS b/MAINTAINERS index 88b4cdde1ad8..e5ed3c876a55 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20955,6 +20955,7 @@ S: Maintained F: Documentation/admin-guide/media/starfive_camss.rst F: Documentation/devicetree/bindings/media/starfive,jh7110-camss.yaml F: drivers/staging/media/starfive/camss +F: include/uapi/linux/jh7110-isp.h STARFIVE CRYPTO DRIVER M: Jia Jie Ho diff --git a/include/uapi/linux/jh7110-isp.h b/include/uapi/linux/jh7110-isp.h new file mode 100644 index 000000000000..e9857995068b --- /dev/null +++ b/include/uapi/linux/jh7110-isp.h @@ -0,0 +1,739 @@ +/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ +/* + * jh7110-isp.h + * + * JH7110 ISP driver - user space header file. + * + * Copyright © 2023 StarFive Technology Co., Ltd. + * + * Author: Zejian Su + * + */ + +#ifndef __JH7110_ISP_H_ +#define __JH7110_ISP_H_ + +/** + * ISP Module Diagram + * ------------------ + * + * Raw +-----+ +------+ +------+ +----+ + * ---->| OBC |--->| OECF |--->| LCCF |--->| WB |-----+ + * +-----+ +------+ +------+ +----+ | + * | + * +--------------------------------------------------+ + * | + * | +-----+ +-----+ +-----+ +-----+ + * +--->| DBC |--->| CTC |--->| CFA |--->| CAR |------+ + * +-----+ +-----+ +-----+ +-----+ | + * | + * +--------------------------------------------------+ + * | + * | +-----+ +--------+ +-----+ +------+ + * +--->| CCM |--->| GMARGB |--->| R2Y |--->| YCRV |--+ + * +-----+ +--------+ +-----+ +------+ | + * | + * +--------------------------------------------------+ + * | + * | +-------+ +-------+ +-----+ +----+ + * +--->| SHARP |--->| DNYUV |--->| SAT |--->| SC | + * +-------+ +-------+ +-----+ +----+ + * + */ + +/* Auto White Balance */ +#define JH7110_ISP_MODULE_WB_SETTING (1U << 0) +/* Color Artifact Removal */ +#define JH7110_ISP_MODULE_CAR_SETTING (1U << 1) +/* Color Correction Matrix */ +#define JH7110_ISP_MODULE_CCM_SETTING (1U << 2) +/* Color Filter Arrays */ +#define JH7110_ISP_MODULE_CFA_SETTING (1U << 3) +/* Crosstalk Correction */ +#define JH7110_ISP_MODULE_CTC_SETTING (1U << 4) +/* Defect Bad Pixel Correction */ +#define JH7110_ISP_MODULE_DBC_SETTING (1U << 5) +/* Denoise YUV */ +#define JH7110_ISP_MODULE_DNYUV_SETTING (1U << 6) +/* RGB Gamma */ +#define JH7110_ISP_MODULE_GMARGB_SETTING (1U << 7) +/* Lens Correction Cosine Fourth */ +#define JH7110_ISP_MODULE_LCCF_SETTING (1U << 8) +/* Optical Black Correction */ +#define JH7110_ISP_MODULE_OBC_SETTING (1U << 9) +/* Opto-Electric Conversion Function */ +#define JH7110_ISP_MODULE_OECF_SETTING (1U << 10) +/* RGB To YUV */ +#define JH7110_ISP_MODULE_R2Y_SETTING (1U << 11) +/* Saturation */ +#define JH7110_ISP_MODULE_SAT_SETTING (1U << 12) +/* Sharpen */ +#define JH7110_ISP_MODULE_SHARP_SETTING (1U << 13) +/* Y Curve */ +#define JH7110_ISP_MODULE_YCRV_SETTING (1U << 14) +/* Statistics Collection */ +#define JH7110_ISP_MODULE_SC_SETTING (1U << 15) + +/** + * struct jh7110_isp_wb_gain - auto white balance gain + * + * @gain_r: gain value for red component. + * @gain_g: gain value for green component. + * @gain_b: gain value for blue component. + */ +struct jh7110_isp_wb_gain { + __u16 gain_r; + __u16 gain_g; + __u16 gain_b; +}; + +/** + * struct jh7110_isp_wb_setting - Configuration used by auto white balance gain + * + * @enabled: enabled setting flag. + * @gains: auto white balance gain setting. + */ +struct jh7110_isp_wb_setting { + __u32 enabled; + struct jh7110_isp_wb_gain gains; +}; + +/** + * struct jh7110_isp_car_setting - Configuration used by color artifact removal + * + * @enabled: enabled setting flag. + */ +struct jh7110_isp_car_setting { + __u32 enabled; +}; + +/** + * struct jh7110_isp_ccm_smlow - Color correction matrix + * + * @ccm: color transform matrix with size 3 by 3. + * @offsets: the offsets of R, G, B after the transform by the ccm. + */ +struct jh7110_isp_ccm_smlow { + __s32 ccm[3][3]; + __s32 offsets[3]; +}; + +/** + * struct jh7110_isp_ccm_setting - Configuration used by color correction matrix + * + * @enabled: enabled setting flag. + * @ccm_smlow: Color correction matrix. + */ +struct jh7110_isp_ccm_setting { + __u32 enabled; + struct jh7110_isp_ccm_smlow ccm_smlow; +}; + +/** + * struct jh7110_isp_cfa_params - demosaic parameters + * + * @hv_width: detail smooth factor + * @cross_cov: Cross covariance weighting. + */ +struct jh7110_isp_cfa_params { + __s32 hv_width; + __s32 cross_cov; +}; + +/** + * struct jh7110_isp_cfa_params - Configuration used by demosaic module + * + * @enabled: enabled setting flag. + * @settings: demosaic parameters. + */ +struct jh7110_isp_cfa_setting { + __u32 enabled; + struct jh7110_isp_cfa_params settings; +}; + +/** + * struct jh7110_isp_ctc_params - crosstalk remove parameters + * + * @saf_mode: smooth area filter mode. + * @daf_mode: detail area filter mode. + * @max_gt: the threshold for imbalance detection when pixel intensity is close to maximum. + * @min_gt: the threshold for imbalance detection when pixel intensity is close to 0. + */ +struct jh7110_isp_ctc_params { + __u8 saf_mode; + __u8 daf_mode; + __s32 max_gt; + __s32 min_gt; +}; + +/** + * struct jh7110_isp_ctc_params - Configuration used by crosstalk remove + * + * @enabled: enabled setting flag. + * @settings: corsstakl remove parameters. + */ +struct jh7110_isp_ctc_setting { + __u32 enabled; + struct jh7110_isp_ctc_params settings; +}; + +/** + * struct jh7110_isp_dbc_params - defect pixels correction parameters + * + * @bad_gt: bad pixel threshold for the green channel. + * @bad_xt: bad pixel threshold for the red and blue channels. + */ +struct jh7110_isp_dbc_params { + __s32 bad_gt; + __s32 bad_xt; +}; + +/** + * struct jh7110_isp_dbc_params - Configuration used by defect bad pixels correction + * + * @enabled: enabled setting flag. + * @settings: defect pixels correction parameters. + */ +struct jh7110_isp_dbc_setting { + __u32 enabled; + struct jh7110_isp_dbc_params settings; +}; + +/** + * struct jh7110_isp_dnyuv_params - yuv domain denoise parameters + * + * @y_sweight: ten coefficients of 7x7 spatial filter for Y channel. + * @y_curve: intensity difference (similarity) weight lookup table for Y channel. + * @uv_sweight: ten coefficients of 7x7 spatial filter for U and V channel. + * @uv_curve: intensity difference (similarity) weight lookup table for U and V channel. + */ +struct jh7110_isp_dnyuv_params { + __u8 y_sweight[10]; + __u16 y_curve[7]; + __u8 uv_sweight[10]; + __u16 uv_curve[7]; +}; + +/** + * struct jh7110_isp_dnyuv_params - Configuration used by yuv domain denoise + * + * @enabled: enabled setting flag. + * @settings: yuv domain denoise parameters. + */ +struct jh7110_isp_dnyuv_setting { + __u32 enabled; + struct jh7110_isp_dnyuv_params settings; +}; + +/** + * struct jh7110_isp_gmargb_point - RGB Gamma point + * + * @g_val: RGB gamma value. + * @sg_val: RGB gamma slope value. + */ +struct jh7110_isp_gmargb_point { + __u16 g_val; + __u16 sg_val; +}; + +/** + * struct jh7110_isp_gmargb_setting - Configuration used by RGB gamma + * + * @enabled: enabled setting flag. + * @curve: RGB Gamma point table. + */ +struct jh7110_isp_gmargb_setting { + __u32 enabled; + struct jh7110_isp_gmargb_point curve[15]; +}; + +/** + * struct jh7110_isp_lccf_circle - len circle + * + * @center_x: center X distance from capture window. + * @center_y: center Y distance from capture window. + * @radius: len circle radius. + */ +struct jh7110_isp_lccf_circle { + __s16 center_x; + __s16 center_y; + __u8 radius; +}; + +/** + * struct jh7110_isp_lccf_curve_param - lens correction cosine fourth curve param + * + * @f1: F1 parameter. + * @f2: F2 parameter. + */ +struct jh7110_isp_lccf_curve_param { + __s16 f1; + __s16 f2; +}; + +/** + * struct jh7110_isp_lccf_setting - Configuration used by lens correction cosine fourth + * + * @enabled: enabled setting flag. + * @circle: len circle. + * @r_param: lens correction cosine fourth curve param for Bayer pattern R. + * @gr_param: lens correction cosine fourth curve param for Bayer pattern Gr. + * @gb_param: lens correction cosine fourth curve param for Bayer pattern Gb. + * @b_param: lens correction cosine fourth curve param for Bayer pattern B. + */ +struct jh7110_isp_lccf_setting { + __u32 enabled; + struct jh7110_isp_lccf_circle circle; + struct jh7110_isp_lccf_curve_param r_param; + struct jh7110_isp_lccf_curve_param gr_param; + struct jh7110_isp_lccf_curve_param gb_param; + struct jh7110_isp_lccf_curve_param b_param; +}; + +/** + * struct jh7110_isp_obc_win_size - optical balck correction window size + * + * @width: window width. + * @height: window height. + */ +struct jh7110_isp_obc_win_size { + __u32 width; + __u32 height; +}; + +/** + * struct jh7110_isp_obc_gain - optical balck correction symbol gain + * + * @tl_gain: gain at point A for symbol. + * @tr_gain: gain at point B for symbol. + * @bl_gain: gain at point C for symbol. + * @br_gain: gain at point D for symbol. + */ +struct jh7110_isp_obc_gain { + __u8 tl_gain; + __u8 tr_gain; + __u8 bl_gain; + __u8 br_gain; +}; + +/** + * struct jh7110_isp_obc_offset - optical balck correction symbol offset + * + * @tl_offset: offset at point A for symbol. + * @tr_offset: offset at point B for symbol. + * @bl_offset: offset at point C for symbol. + * @br_offset: offset at point D for symbol. + */ +struct jh7110_isp_obc_offset { + __u8 tl_offset; + __u8 tr_offset; + __u8 bl_offset; + __u8 br_offset; +}; + +/** + * struct jh7110_isp_obc_setting - Configuration used by optical balck correction + * + * @enabled: enabled setting flag. + * @win_size: optical balck correction window size. + * @gain: optical balck correction symbol gain. + * @offset: optical balck correction symbol offset. + */ +struct jh7110_isp_obc_setting { + __u32 enabled; + struct jh7110_isp_obc_win_size win_size; + struct jh7110_isp_obc_gain gain[4]; + struct jh7110_isp_obc_offset offset[4]; +}; + +/** + * struct jh7110_isp_oecf_point - oecf curve + * + * @x: x coordinate. + * @y: y coordinate. + * @slope: the slope between this point and the next point. + */ +struct jh7110_isp_oecf_point { + __u16 x; + __u16 y; + __s16 slope; +}; + +/** + * struct jh7110_isp_oecf_setting - Configuration used by opto-electric conversion function + * + * @enabled: enabled setting flag. + * @r_curve: red pixel oecf curve. + * @gr_curve: green pixel oecf curve in GR line. + * @gb_curve: green pixel oecf curve in GB line. + * @b_curve: blue pixel oecf curve. + */ +struct jh7110_isp_oecf_setting { + __u32 enabled; + struct jh7110_isp_oecf_point r_curve[16]; + struct jh7110_isp_oecf_point gr_curve[16]; + struct jh7110_isp_oecf_point gb_curve[16]; + struct jh7110_isp_oecf_point b_curve[16]; +}; + +/** + * struct jh7110_isp_r2y_matrix - RGB to YUV color conversion matrix + * + * @m: The 3x3 color conversion matrix coefficient. + */ +struct jh7110_isp_r2y_matrix { + __s16 m[9]; +}; + +/** + * struct jh7110_isp_r2y_setting - Configuration used by RGB To YUV + * + * @enabled: enabled setting flag. + * @matrix: RGB to YUV color conversion matrix. + */ +struct jh7110_isp_r2y_setting { + __u32 enabled; + struct jh7110_isp_r2y_matrix matrix; +}; + +/** + * struct jh7110_isp_sat_curve - Saturation curve + * + * @yi_min: the minimum input Y value. + * @yo_ir: the ratio of Y output range to input range. + * @yo_min: the minimum output Y value. + * @yo_max: the maximum output Y value. + */ +struct jh7110_isp_sat_curve { + __s16 yi_min; + __s16 yo_ir; + __s16 yo_min; + __s16 yo_max; +}; + +/** + * struct jh7110_isp_sat_hue_info - Chroma Saturation Hue Factor + * + * @cos: COS hue factor. + * @sin: SIN hue factor. + */ +struct jh7110_isp_sat_hue_info { + __s16 cos; + __s16 sin; +}; + +/** + * struct jh7110_isp_sat_info - Saturation information + * + * @gain_cmab: Chroma saturation magnitude amplification base for gain. + * @gain_cmmd: Chroma saturation magnitude amplification delta for gain. + * @threshold_cmb: Chroma saturation magnitude base threshold. + * @threshold_cmd: Chroma saturation magbitude delta threshold. + * @offset_u: Chroma saturation U offset. + * @offset_v: Chroma saturation V offset. + * @cmsf: Chroma saturation magbitude scaling factor. + */ +struct jh7110_isp_sat_info { + __s16 gain_cmab; + __s16 gain_cmmd; + __s16 threshold_cmb; + __s16 threshold_cmd; + __s16 offset_u; + __s16 offset_v; + __s16 cmsf; +}; + +/** + * struct jh7110_isp_sat_setting - Configuration used by Saturation + * + * @enabled: enabled setting flag. + * @curve: Saturation curve. + * @hue_info: Chroma Saturation Hue Factor. + * @sat_info: Saturation information.s + */ +struct jh7110_isp_sat_setting { + __u32 enabled; + struct jh7110_isp_sat_curve curve; + struct jh7110_isp_sat_hue_info hue_info; + struct jh7110_isp_sat_info sat_info; +}; + +/** + * struct jh7110_isp_sharp_weight - Sharpe weight + * + * @weight: Sharpen filter weight. + * @recip_wei_sum: Sharpen amplification filter weight normalization factor. + */ +struct jh7110_isp_sharp_weight { + __u8 weight[15]; + __u32 recip_wei_sum; +}; + +/** + * struct jh7110_isp_sharp_strength - Sharpen strength + * + * @diff: Sharpen Edge amplification delta level. + * @f: Sharpen Edge amplification factor. + * @s: Sharpen Edge amplification factor slope. + */ +struct jh7110_isp_sharp_strength { + __s16 diff[4]; + __s16 f[3]; + __s32 s[3]; +}; + +/** + * struct jh7110_isp_sharp_setting - Configuration used by Sharpen + * + * @enabled: enabled setting flag. + * @weight: Sharpe weight. + * @strength: Sharpen strength. + * @pdirf: Positive Factor Multiplier. + * @ndirf: Negative Factor Multiplier. + */ +struct jh7110_isp_sharp_setting { + __u32 enabled; + struct jh7110_isp_sharp_weight weight; + struct jh7110_isp_sharp_strength strength; + __s8 pdirf; + __s8 ndirf; +}; + +/** + * struct jh7110_isp_ycrv_curve - Y Curve parameters table + * + * @y: Y curve L parameters value. + */ +struct jh7110_isp_ycrv_curve { + __s16 y[64]; +}; + +/** + * struct jh7110_isp_ycrv_setting - Configuration used by Y Curve + * + * @enabled: enabled setting flag. + * @curve: Y Curve parameters table. + */ +struct jh7110_isp_ycrv_setting { + __u32 enabled; + struct jh7110_isp_ycrv_curve curve; +}; + +/** + * struct jh7110_isp_sc_config - statistics collection crop configure + * + * @h_start: Horizontal starting point for frame cropping. + * @v_start: Vertical starting point for frame cropping. + * @sw_width: Width of statistics collection sub-window. + * @sw_height: Height of statistics collection sub-window. + * @hperiod: Horizontal period. + * @hkeep: Horizontal keep. + * @vperiod: Vertical period. + * @vkeep: Vertical keep. + */ +struct jh7110_isp_sc_config { + __u16 h_start; + __u16 v_start; + __u8 sw_width; + __u8 sw_height; + __u8 hperiod; + __u8 hkeep; + __u8 vperiod; + __u8 vkeep; +}; + +/** + * struct jh7110_isp_sc_af_config - statistics collection auto focus configure + * + * @es_hor_mode: Horizontal mode. + * @es_sum_mode: sum mode. + * @hor_en: Horizontal enable. + * @ver_en: Vertical enable. + * @es_ver_thr: Vertical threshold. + * @es_hor_thr: Horizontal threshold. + */ +struct jh7110_isp_sc_af_config { + __u8 es_hor_mode; + __u8 es_sum_mode; + __u8 hor_en; + __u8 ver_en; + __u8 es_ver_thr; + __u16 es_hor_thr; +}; + +/** + * struct jh7110_isp_sc_awb_ps - statistics collection auto white balance pixel sum + * + * @awb_ps_rl: Lower boundary of R value for pixel sum. + * @awb_ps_ru: Upper boundary of R value for pixel sum. + * @awb_ps_gl: Lower boundary of G value for pixel sum. + * @awb_ps_gu: Upper boundary of G value for pixel sum. + * @awb_ps_bl: Lower boundary of B value for pixel sum. + * @awb_ps_bu: Upper boundary of B value for pixel sum. + * @awb_ps_yl: Lower boundary of Y value for pixel sum. + * @awb_ps_yu: Upper boundary of Y value for pixel sum. + * @awb_ps_grl: Lower boundary of G/R ratio for pixel sum. + * @awb_ps_gru: Upper boundary of G/R ratio for pixel sum. + * @awb_ps_gbl: Lower boundary of G/B ratio for pixel sum. + * @awb_ps_gbu: Upper boundary of G/B ratio for pixel sum. + * @awb_ps_grbl: Lower boundary of (Gr/R + b/a * Gb/B) for pixel sum. + * @awb_ps_grbu: Upper boundary of (Gr/R + b/a * Gb/B) for pixel sum. + */ +struct jh7110_isp_sc_awb_ps { + __u8 awb_ps_rl; + __u8 awb_ps_ru; + __u8 awb_ps_gl; + __u8 awb_ps_gu; + __u8 awb_ps_bl; + __u8 awb_ps_bu; + __u8 awb_ps_yl; + __u8 awb_ps_yu; + __u16 awb_ps_grl; + __u16 awb_ps_gru; + __u16 awb_ps_gbl; + __u16 awb_ps_gbu; + __u16 awb_ps_grbl; + __u16 awb_ps_grbu; +}; + +/** + * struct jh7110_isp_sc_awb_ws - statistics collection auto white balance weight sum + * + * @awb_ws_rl: Lower boundary of R value for weight sum. + * @awb_ws_ru: Upper boundary of R value for weight sum. + * @awb_ws_grl: Lower boundary of Gr value for weight sum. + * @awb_ws_gru: Upper boundary of Gr value for weight sum. + * @awb_ws_gbl: Lower boundary of Gb value for weight sum. + * @awb_ws_gbu: Upper boundary of Gb value for weight sum. + * @awb_ws_bl: Lower boundary of B value for weight sum. + * @awb_ws_bu: Upper boundary of B value for weight sum. + */ +struct jh7110_isp_sc_awb_ws { + __u8 awb_ws_rl; + __u8 awb_ws_ru; + __u8 awb_ws_grl; + __u8 awb_ws_gru; + __u8 awb_ws_gbl; + __u8 awb_ws_gbu; + __u8 awb_ws_bl; + __u8 awb_ws_bu; +}; + +/** + * struct jh7110_isp_sc_awb_point - statistics collection auto white balance point + * + * @weight: Weighting value at point. + */ +struct jh7110_isp_sc_awb_point { + __u8 weight; +}; + +/** + * struct jh7110_isp_sc_awb_config - statistics collection auto white balance configure + * + * @ps_config: statistics collection auto white balance pixel sum. + * @awb_ps_grb_ba: auto white balance b/a value. + * @sel: input mux for statistics collection auto white balance. + * @ws_config: statistics collection auto white balance weight sum. + * @awb_cw: Weighting value at 13x13 point. + * @pts: statistics collection auto white balance point. + */ +struct jh7110_isp_sc_awb_config { + struct jh7110_isp_sc_awb_ps ps_config; + __u8 awb_ps_grb_ba; + __u8 sel; + struct jh7110_isp_sc_awb_ws ws_config; + __u8 awb_cw[169]; + struct jh7110_isp_sc_awb_point pts[17]; +}; + +/** + * struct jh7110_isp_sc_setting - Configuration used by statistics collection + * + * @enabled: enabled setting flag. + * @crop_config: statistics collection crop configure. + * @af_config: statistics collection auto focus configure. + * @awb_config: statistics collection auto white balance configure. + */ +struct jh7110_isp_sc_setting { + __u32 enabled; + struct jh7110_isp_sc_config crop_config; + struct jh7110_isp_sc_af_config af_config; + struct jh7110_isp_sc_awb_config awb_config; +}; + +/** + * struct jh7110_isp_params_buffer - StarFive JH7110 ISP Parameters Meta Data + * + * @enable_setting: enabled setting module (JH7110_ISP_MODULE_* definitions). + * @wb_setting: Configuration used by auto white balance gain. + * @car_setting: Configuration used by color artifact removal. + * @ccm_setting: Configuration used by color correction matrix. + * @cfa_setting: Configuration used by demosaic module. + * @ctc_setting: Configuration used by crosstalk remove. + * @dbc_setting: Configuration used by defect bad pixels correction. + * @dnyuv_setting: Configuration used by yuv domain denoise. + * @gmargb_setting: Configuration used by RGB gamma. + * @lccf_setting: Configuration used by lens correction cosine fourth. + * @obc_setting: Configuration used by optical balck compensation. + * @oecf_setting: Configuration used by opto-electric conversion function. + * @r2y_setting: Configuration used by RGB To YUV. + * @sat_setting: Configuration used by Saturation. + * @sharp_setting: Configuration used by Sharpen. + * @ycrv_setting: Configuration used by Y Curve. + * @sc_setting: Configuration used by statistics collection. + */ +struct jh7110_isp_params_buffer { + __u32 enable_setting; + struct jh7110_isp_wb_setting wb_setting; + struct jh7110_isp_car_setting car_setting; + struct jh7110_isp_ccm_setting ccm_setting; + struct jh7110_isp_cfa_setting cfa_setting; + struct jh7110_isp_ctc_setting ctc_setting; + struct jh7110_isp_dbc_setting dbc_setting; + struct jh7110_isp_dnyuv_setting dnyuv_setting; + struct jh7110_isp_gmargb_setting gmargb_setting; + struct jh7110_isp_lccf_setting lccf_setting; + struct jh7110_isp_obc_setting obc_setting; + struct jh7110_isp_oecf_setting oecf_setting; + struct jh7110_isp_r2y_setting r2y_setting; + struct jh7110_isp_sat_setting sat_setting; + struct jh7110_isp_sharp_setting sharp_setting; + struct jh7110_isp_ycrv_setting ycrv_setting; + struct jh7110_isp_sc_setting sc_setting; +}; + +/** + * Statistics Collection Meta Data Flag + */ +#define JH7110_ISP_SC_FALG_AE_AF 0x0 +#define JH7110_ISP_SC_FALG_AWB 0xffff + +#pragma pack(1) + +/** + * struct jh7110_isp_sc_buffer - StarFive JH7110 ISP Statistics Collection Meta Data + * + * @y_histogram: Y histogram data for saturation control. + * @reserv0: reserve byte. + * @bright_sc: bright statistic. If flag is JH7110_ISP_SC_FALG_AE_AF, This field is + * saved auto exposure and auto focus. If flag is JH7110_ISP_SC_FALG_AWB, + * This field is saved auto white balance. + * @reserv1: reserve byte. + * @ae_hist_y: Y histogram for auto exposure. + * @reserv2: reserve byte. + * @flag: Statistics Collection Meta Data Flag (JH7110_ISP_SC_FALG_* definitions) + */ +struct jh7110_isp_sc_buffer { + __u32 y_histogram[64]; + __u32 reserv0[33]; + __u32 bright_sc[4096]; + __u32 reserv1[96]; + __u32 ae_hist_y[128]; + __u32 reserv2[511]; + __u16 flag; +}; + +#pragma pack() + +#endif