[RFC PATCH 2/5] media: rkisp1: Add user space ABI definitions

[Jacob Chen <jacob-chen@iotwrt.com>]

From: Jeffy Chen <jeffy.chen@rock-chips.com>

Add the header for userspace

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
---
 include/uapi/linux/rkisp1-config.h | 554 +++++++++++++++++++++++++++++++++++++
 1 file changed, 554 insertions(+)
 create mode 100644 include/uapi/linux/rkisp1-config.h

diff --git a/include/uapi/linux/rkisp1-config.h b/include/uapi/linux/rkisp1-config.h
new file mode 100644
index 000000000000..a801fbc9ef47
--- /dev/null
+++ b/include/uapi/linux/rkisp1-config.h
@@ -0,0 +1,554 @@
+/*
+ * Rockchip isp1 driver
+ *
+ * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _UAPI_RKISP1_CONFIG_H
+#define _UAPI_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
+
+/* 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
+/* AWB */
+#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
+
+/* LSC */
+#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
+/* HIST */
+/* Last 3 values unused. */
+#define CIFISP_HISTOGRAM_WEIGHT_GRIDS_SIZE 28
+
+/* DPCC */
+#define CIFISP_DPCC_METHODS_MAX       3
+
+/* DPF */
+#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_exp_meas_mode {
+/* < Y = 16 + 0.25R + 0.5G + 0.1094B */
+	CIFISP_EXP_MEASURING_MODE_0,
+/* < Y = (R + G + B) x (85/256) */
+	CIFISP_EXP_MEASURING_MODE_1,
+};
+
+enum cifisp_exp_ctrl_auotostop {
+	CIFISP_EXP_CTRL_AUTOSTOP_0 = 0,
+	CIFISP_EXP_CTRL_AUTOSTOP_1 = 1,
+};
+
+struct cifisp_window {
+	unsigned short h_offs;
+	unsigned short v_offs;
+	unsigned short h_size;
+	unsigned short v_size;
+};
+
+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
+};
+
+/*
+ * BLS fixed subtraction values. The values will be subtracted from the sensor
+ * values. Therefore a negative value means addition instead of subtraction!
+ */
+struct cifisp_bls_fixed_val {
+	/*! Fixed (signed!) subtraction value for Bayer pattern R. */
+	signed short r;
+	/*! Fixed (signed!) subtraction value for Bayer pattern Gr. */
+	signed short gr;
+	/*! Fixed (signed!) subtraction value for Bayer pattern Gb. */
+	signed short gb;
+	/*! Fixed (signed!) subtraction value for Bayer pattern B. */
+	signed short b;
+};
+
+/* Configuration used by black level subtraction */
+struct cifisp_bls_config {
+	/*
+	 * Automatic mode activated means that the measured values
+	 * are subtracted.Otherwise the fixed subtraction
+	 * values will be subtracted.
+	 */
+	bool enable_auto;
+	unsigned char en_windows;
+	struct cifisp_window bls_window1;	/* < Measurement window 1. */
+	struct cifisp_window bls_window2;	/* !< Measurement window 2 */
+	/*
+	 * Set amount of measured pixels for each Bayer position
+	 * (A, B,C and D) to 2^bls_samples.
+	 */
+	unsigned char bls_samples;
+	/* !< Fixed subtraction values. */
+	struct cifisp_bls_fixed_val fixed_val;
+};
+
+struct cifisp_dpcc_methods_config {
+	unsigned int method;
+	unsigned int line_thresh;
+	unsigned int line_mad_fac;
+	unsigned int pg_fac;
+	unsigned int rnd_thresh;
+	unsigned int rg_fac;
+};
+
+struct cifisp_dpcc_config {
+	unsigned int mode;
+	unsigned int output_mode;
+	unsigned int set_use;
+	struct cifisp_dpcc_methods_config methods[CIFISP_DPCC_METHODS_MAX];
+	unsigned int ro_limits;
+	unsigned int rnd_offs;
+};
+
+struct cifisp_gamma_corr_curve {
+	unsigned short gamma_y[CIFISP_DEGAMMA_CURVE_SIZE];
+};
+
+struct cifisp_gamma_curve_x_axis_pnts {
+	unsigned int gamma_dx0;
+	unsigned int gamma_dx1;
+};
+
+/* Configuration used by sensor degamma */
+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;
+};
+
+/* Configuration used by Lens shading correction */
+struct cifisp_lsc_config {
+	unsigned int r_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
+	unsigned int gr_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
+	unsigned int gb_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
+	unsigned int b_data_tbl[CIFISP_LSC_DATA_TBL_SIZE];
+
+	unsigned int x_grad_tbl[CIFISP_LSC_GRAD_TBL_SIZE];
+	unsigned int y_grad_tbl[CIFISP_LSC_GRAD_TBL_SIZE];
+
+	unsigned int x_size_tbl[CIFISP_LSC_SIZE_TBL_SIZE];
+	unsigned int y_size_tbl[CIFISP_LSC_SIZE_TBL_SIZE];
+	unsigned short config_width;
+	unsigned short config_height;
+};
+
+struct cifisp_ie_config {
+	enum v4l2_colorfx effect;
+	unsigned short color_sel;
+	/* 3x3 Matrix Coefficients for Emboss Effect 1 */
+	unsigned short eff_mat_1;
+	/* 3x3 Matrix Coefficients for Emboss Effect 2 */
+	unsigned short eff_mat_2;
+	/* 3x3 Matrix Coefficients for Emboss 3/Sketch 1 */
+	unsigned short eff_mat_3;
+	/* 3x3 Matrix Coefficients for Sketch Effect 2 */
+	unsigned short eff_mat_4;
+	/* 3x3 Matrix Coefficients for Sketch Effect 3 */
+	unsigned short eff_mat_5;
+	/* Chrominance increment values of tint (used for sepia effect) */
+	unsigned short eff_tint;
+};
+
+struct cifisp_cproc_config {
+	unsigned char c_out_range;
+	unsigned char y_in_range;
+	unsigned char y_out_range;
+	unsigned char contrast;
+	unsigned char brightness;
+	unsigned char sat;
+	unsigned char hue;
+};
+
+/* Configuration used by auto white balance */
+struct cifisp_awb_meas_config {
+	/*
+	 * white balance measurement window (in pixels)
+	 * Note: currently the h and v offsets are mapped to grid offsets
+	 */
+	struct cifisp_window awb_wnd;
+	enum cifisp_awb_mode_type awb_mode;
+	/*
+	 * only pixels values < max_y contribute to awb measurement
+	 * (set to 0 to disable this feature)
+	 */
+	unsigned char max_y;
+	/* only pixels values > min_y contribute to awb measurement */
+	unsigned char min_y;
+	/*
+	 * Chrominance sum maximum value, only consider pixels with Cb+Cr
+	 * smaller than threshold for awb measurements
+	 */
+	unsigned char max_csum;
+	/*
+	 * Chrominance minimum value, only consider pixels with Cb/Cr
+	 * each greater than threshold value for awb measurements
+	 */
+	unsigned char min_c;
+	/*
+	 * number of frames - 1 used for mean value calculation
+	 * (ucFrames=0 means 1 Frame)
+	 */
+	unsigned char frames;
+	/* reference Cr value for AWB regulation, target for AWB */
+	unsigned char awb_ref_cr;
+	/* reference Cb value for AWB regulation, target for AWB */
+	unsigned char awb_ref_cb;
+	bool enable_ymax_cmp;
+};
+
+struct cifisp_awb_gain_config {
+	unsigned short gain_red;
+	unsigned short gain_green_r;
+	unsigned short gain_blue;
+	unsigned short gain_green_b;
+};
+
+/* Configuration used by ISP filtering */
+struct cifisp_flt_config {
+	enum cifisp_flt_mode mode;	/* ISP_FILT_MODE register fields */
+	unsigned char grn_stage1;	/* ISP_FILT_MODE register fields */
+	unsigned char chr_h_mode;	/* ISP_FILT_MODE register fields */
+	unsigned char chr_v_mode;	/* ISP_FILT_MODE register fields */
+	unsigned int thresh_bl0;
+	unsigned int thresh_bl1;
+	unsigned int thresh_sh0;
+	unsigned int thresh_sh1;
+	unsigned int lum_weight;
+	unsigned int fac_sh1;
+	unsigned int fac_sh0;
+	unsigned int fac_mid;
+	unsigned int fac_bl0;
+	unsigned int fac_bl1;
+};
+
+/* Configuration used by Bayer DeMosaic */
+struct cifisp_bdm_config {
+	unsigned char demosaic_th;
+};
+
+/* Configuration used by Cross Talk correction */
+struct cifisp_ctk_config {
+	unsigned short coeff0;
+	unsigned short coeff1;
+	unsigned short coeff2;
+	unsigned short coeff3;
+	unsigned short coeff4;
+	unsigned short coeff5;
+	unsigned short coeff6;
+	unsigned short coeff7;
+	unsigned short coeff8;
+	/* offset for the crosstalk correction matrix */
+	unsigned short ct_offset_r;
+	unsigned short ct_offset_g;
+	unsigned short ct_offset_b;
+};
+
+enum cifisp_goc_mode {
+	CIFISP_GOC_MODE_LOGARITHMIC,
+	CIFISP_GOC_MODE_EQUIDISTANT
+};
+
+/* Configuration used by Gamma Out correction */
+struct cifisp_goc_config {
+	enum cifisp_goc_mode mode;
+	unsigned short gamma_y[CIFISP_GAMMA_OUT_MAX_SAMPLES];
+};
+
+/* Configuration used by Histogram */
+struct cifisp_hst_config {
+	enum cifisp_histogram_mode mode;
+	unsigned char histogram_predivider;
+	struct cifisp_window meas_window;
+	unsigned char hist_weight[CIFISP_HISTOGRAM_WEIGHT_GRIDS_SIZE];
+};
+
+/* Configuration used by Auto Exposure Control */
+struct cifisp_aec_config {
+	enum cifisp_exp_meas_mode mode;
+	__u32 autostop;
+	struct cifisp_window meas_window;
+};
+
+struct cifisp_afc_config {
+	unsigned char num_afm_win;	/* max CIFISP_AFM_MAX_WINDOWS */
+	struct cifisp_window afm_win[CIFISP_AFM_MAX_WINDOWS];
+	unsigned int thres;
+	unsigned int var_shift;
+};
+
+enum cifisp_dpf_gain_usage {
+/* don't use any gains in preprocessing stage */
+	CIFISP_DPF_GAIN_USAGE_DISABLED,
+/* use only the noise function gains  from registers DPF_NF_GAIN_R, ... */
+	CIFISP_DPF_GAIN_USAGE_NF_GAINS,
+/* use only the gains from LSC module */
+	CIFISP_DPF_GAIN_USAGE_LSC_GAINS,
+/* use the moise function gains and the gains from LSC module */
+	CIFISP_DPF_GAIN_USAGE_NF_LSC_GAINS,
+/* use only the gains from AWB module */
+	CIFISP_DPF_GAIN_USAGE_AWB_GAINS,
+/* use the gains from AWB and LSC module */
+	CIFISP_DPF_GAIN_USAGE_AWB_LSC_GAINS,
+/* upper border (only for an internal evaluation) */
+	CIFISP_DPF_GAIN_USAGE_MAX
+};
+
+enum cifisp_dpf_rb_filtersize {
+/* red and blue filter kernel size 13x9 (means 7x5 active pixel) */
+	CIFISP_DPF_RB_FILTERSIZE_13x9,
+/* red and blue filter kernel size 9x9 (means 5x5 active pixel) */
+	CIFISP_DPF_RB_FILTERSIZE_9x9,
+};
+
+enum cifisp_dpf_nll_scale_mode {
+/* use a linear scaling */
+	CIFISP_NLL_SCALE_LINEAR,
+/* use a logarithmic scaling */
+	CIFISP_NLL_SCALE_LOGARITHMIC,
+};
+
+struct cifisp_dpf_nll {
+	unsigned short coeff[CIFISP_DPF_MAX_NLF_COEFFS];
+	enum cifisp_dpf_nll_scale_mode scale_mode;
+};
+
+struct cifisp_dpf_rb_flt {
+	enum cifisp_dpf_rb_filtersize fltsize;
+	unsigned char spatial_coeff[CIFISP_DPF_MAX_SPATIAL_COEFFS];
+	bool r_enable;
+	bool b_enable;
+};
+
+struct cifisp_dpf_g_flt {
+	unsigned char spatial_coeff[CIFISP_DPF_MAX_SPATIAL_COEFFS];
+	bool gr_enable;
+	bool gb_enable;
+};
+
+struct cifisp_dpf_gain {
+	enum cifisp_dpf_gain_usage mode;
+	unsigned short nf_r_gain;
+	unsigned short nf_b_gain;
+	unsigned short nf_gr_gain;
+	unsigned short nf_gb_gain;
+};
+
+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;
+};
+
+struct cifisp_dpf_strength_config {
+	unsigned char r;
+	unsigned char g;
+	unsigned char b;
+};
+
+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;
+	/* post process configs, including hue, sharpness, brightness, contrast, color effect */
+	/* TODO: removed from here ? set by standard v4l2 controls ? */
+	struct cifisp_cproc_config cproc_config;
+	struct cifisp_ie_config ie_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;
+};
+
+struct rkisp1_isp_params_cfg {
+	/* mask the enable bits of which module  should be updated */
+	unsigned int module_en_update;
+	/* mask the enable value of each module, only update the module which correspond
+	  * bit was set in module_en_update
+	  */
+	unsigned int module_ens;
+	/* mask the config bits of which module  should be updated */
+	unsigned int module_cfg_update;
+
+	struct cifisp_isp_meas_cfg meas;
+	struct cifisp_isp_other_cfg others;
+};
+
+/* measurement statistics */
+
+struct cifisp_awb_meas {
+	unsigned int cnt;
+	unsigned char mean_y_or_g;
+	unsigned char mean_cb_or_b;
+	unsigned char mean_cr_or_r;
+};
+
+struct cifisp_awb_stat {
+	struct cifisp_awb_meas awb_mean[CIFISP_AWB_MAX_GRID];
+};
+
+struct cifisp_hist_stat {
+	unsigned short hist_bins[CIFISP_HIST_BIN_N_MAX];
+};
+
+/*! BLS mean measured values */
+struct cifisp_bls_meas_val {
+	/*! Mean measured value for Bayer pattern R. */
+	unsigned short meas_r;
+	/*! Mean measured value for Bayer pattern Gr. */
+	unsigned short meas_gr;
+	/*! Mean measured value for Bayer pattern Gb. */
+	unsigned short meas_gb;
+	/*! Mean measured value for Bayer pattern B. */
+	unsigned short meas_b;
+};
+
+struct cifisp_ae_stat {
+	unsigned char exp_mean[CIFISP_AE_MEAN_MAX];
+	struct cifisp_bls_meas_val bls_val;	/* available wit exposure results */
+};
+
+struct cifisp_af_meas_val {
+	unsigned int sum;
+	unsigned int lum;
+};
+
+struct cifisp_af_stat {
+	struct cifisp_af_meas_val window[CIFISP_AFM_MAX_WINDOWS];
+};
+
+struct cifisp_stat {
+	struct cifisp_awb_stat awb;
+	struct cifisp_ae_stat ae;
+	struct cifisp_af_stat af;
+	struct cifisp_hist_stat hist;
+};
+
+struct rkisp1_stat_buffer {
+	unsigned int meas_type;
+	unsigned int frame_id;
+	struct cifisp_stat params;
+};
+
+#endif /* _UAPI_RKISP1_CONFIG_H */
-- 
2.14.2