// SPDX-License-Identifier: GPL-2.0 /* * Driver for the GalaxyCore GC0308 camera sensor. * * Copyright (c) 2023 Sebastian Reichel <[email protected]> */ #include <linux/clk.h> #include <linux/device.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <media/v4l2-cci.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> /* Analog & CISCTL*/ #define GC0308_CHIP_ID … #define GC0308_HBLANK … #define GC0308_VBLANK … #define GC0308_EXP … #define GC0308_ROW_START … #define GC0308_COL_START … #define GC0308_WIN_HEIGHT … #define GC0308_WIN_WIDTH … #define GC0308_VS_START_TIME … #define GC0308_VS_END_TIME … #define GC0308_VB_HB … #define GC0308_RSH_WIDTH … #define GC0308_TSP_WIDTH … #define GC0308_SAMPLE_HOLD_DELAY … #define GC0308_ROW_TAIL_WIDTH … #define GC0308_CISCTL_MODE1 … #define GC0308_CISCTL_MODE2 … #define GC0308_CISCTL_MODE3 … #define GC0308_CISCTL_MODE4 … #define GC0308_ANALOG_MODE1 … #define GC0308_ANALOG_MODE2 … #define GC0308_HRST_RSG_V18 … #define GC0308_VREF_V25 … #define GC0308_ADC_R … #define GC0308_PAD_DRV … #define GC0308_SOFT_RESET … /* ISP */ #define GC0308_BLOCK_EN1 … #define GC0308_BLOCK_EN2 … #define GC0308_AAAA_EN … #define GC0308_SPECIAL_EFFECT … #define GC0308_OUT_FORMAT … #define GC0308_OUT_EN … #define GC0308_SYNC_MODE … #define GC0308_CLK_DIV_MODE … #define GC0308_BYPASS_MODE … #define GC0308_CLK_GATING … #define GC0308_DITHER_MODE … #define GC0308_DITHER_BIT … #define GC0308_DEBUG_MODE1 … #define GC0308_DEBUG_MODE2 … #define GC0308_DEBUG_MODE3 … #define GC0308_CROP_WIN_MODE … #define GC0308_CROP_WIN_Y1 … #define GC0308_CROP_WIN_X1 … #define GC0308_CROP_WIN_HEIGHT … #define GC0308_CROP_WIN_WIDTH … /* BLK */ #define GC0308_BLK_MODE … #define GC0308_BLK_LIMIT_VAL … #define GC0308_GLOBAL_OFF … #define GC0308_CURRENT_R_OFF … #define GC0308_CURRENT_G_OFF … #define GC0308_CURRENT_B_OFF … #define GC0308_CURRENT_R_DARK_CURRENT … #define GC0308_CURRENT_G_DARK_CURRENT … #define GC0308_CURRENT_B_DARK_CURRENT … #define GC0308_EXP_RATE_DARKC … #define GC0308_OFF_SUBMODE … #define GC0308_DARKC_SUBMODE … #define GC0308_MANUAL_G1_OFF … #define GC0308_MANUAL_R1_OFF … #define GC0308_MANUAL_B2_OFF … #define GC0308_MANUAL_G2_OFF … /* PREGAIN */ #define GC0308_GLOBAL_GAIN … #define GC0308_AUTO_PREGAIN … #define GC0308_AUTO_POSTGAIN … #define GC0308_CHANNEL_GAIN_G1 … #define GC0308_CHANNEL_GAIN_R … #define GC0308_CHANNEL_GAIN_B … #define GC0308_CHANNEL_GAIN_G2 … #define GC0308_R_RATIO … #define GC0308_G_RATIO … #define GC0308_B_RATIO … #define GC0308_AWB_R_GAIN … #define GC0308_AWB_G_GAIN … #define GC0308_AWB_B_GAIN … #define GC0308_LSC_DEC_LVL1 … #define GC0308_LSC_DEC_LVL2 … #define GC0308_LSC_DEC_LVL3 … /* DNDD */ #define GC0308_DN_MODE_EN … #define GC0308_DN_MODE_RATIO … #define GC0308_DN_BILAT_B_BASE … #define GC0308_DN_B_INCR … #define GC0308_DN_BILAT_N_BASE … #define GC0308_DN_N_INCR … #define GC0308_DD_DARK_BRIGHT_TH … #define GC0308_DD_FLAT_TH … #define GC0308_DD_LIMIT … /* ASDE - Auto Saturation De-noise and Edge-Enhancement */ #define GC0308_ASDE_GAIN_TRESH … #define GC0308_ASDE_GAIN_MODE … #define GC0308_ASDE_DN_SLOPE … #define GC0308_ASDE_DD_BRIGHT … #define GC0308_ASDE_DD_LIMIT … #define GC0308_ASDE_AUTO_EE1 … #define GC0308_ASDE_AUTO_EE2 … #define GC0308_ASDE_AUTO_SAT_DEC_SLOPE … #define GC0308_ASDE_AUTO_SAT_LOW_LIMIT … /* INTPEE - Interpolation and Edge-Enhancement */ #define GC0308_EEINTP_MODE_1 … #define GC0308_EEINTP_MODE_2 … #define GC0308_DIRECTION_TH1 … #define GC0308_DIRECTION_TH2 … #define GC0308_DIFF_HV_TI_TH … #define GC0308_EDGE12_EFFECT … #define GC0308_EDGE_POS_RATIO … #define GC0308_EDGE1_MINMAX … #define GC0308_EDGE2_MINMAX … #define GC0308_EDGE12_TH … #define GC0308_EDGE_MAX … /* ABB - Auto Black Balance */ #define GC0308_ABB_MODE … #define GC0308_ABB_TARGET_AVGH … #define GC0308_ABB_TARGET_AVGL … #define GC0308_ABB_LIMIT_VAL … #define GC0308_ABB_SPEED … #define GC0308_CURR_R_BLACK_LVL … #define GC0308_CURR_G_BLACK_LVL … #define GC0308_CURR_B_BLACK_LVL … #define GC0308_CURR_R_BLACK_FACTOR … #define GC0308_CURR_G_BLACK_FACTOR … #define GC0308_CURR_B_BLACK_FACTOR … /* LSC - Lens Shading Correction */ #define GC0308_LSC_RED_B2 … #define GC0308_LSC_GREEN_B2 … #define GC0308_LSC_BLUE_B2 … #define GC0308_LSC_RED_B4 … #define GC0308_LSC_GREEN_B4 … #define GC0308_LSC_BLUE_B4 … #define GC0308_LSC_ROW_CENTER … #define GC0308_LSC_COL_CENTER … /* CC - Channel Coefficient */ #define GC0308_CC_MATRIX_C11 … #define GC0308_CC_MATRIX_C12 … #define GC0308_CC_MATRIX_C13 … #define GC0308_CC_MATRIX_C21 … #define GC0308_CC_MATRIX_C22 … #define GC0308_CC_MATRIX_C23 … #define GC0308_CC_MATRIX_C41 … #define GC0308_CC_MATRIX_C42 … #define GC0308_CC_MATRIX_C43 … /* GAMMA */ #define GC0308_GAMMA_OUT0 … #define GC0308_GAMMA_OUT1 … #define GC0308_GAMMA_OUT2 … #define GC0308_GAMMA_OUT3 … #define GC0308_GAMMA_OUT4 … #define GC0308_GAMMA_OUT5 … #define GC0308_GAMMA_OUT6 … #define GC0308_GAMMA_OUT7 … #define GC0308_GAMMA_OUT8 … #define GC0308_GAMMA_OUT9 … #define GC0308_GAMMA_OUT10 … #define GC0308_GAMMA_OUT11 … #define GC0308_GAMMA_OUT12 … #define GC0308_GAMMA_OUT13 … #define GC0308_GAMMA_OUT14 … #define GC0308_GAMMA_OUT15 … #define GC0308_GAMMA_OUT16 … /* YCP */ #define GC0308_GLOBAL_SATURATION … #define GC0308_SATURATION_CB … #define GC0308_SATURATION_CR … #define GC0308_LUMA_CONTRAST … #define GC0308_CONTRAST_CENTER … #define GC0308_LUMA_OFFSET … #define GC0308_SKIN_CB_CENTER … #define GC0308_SKIN_CR_CENTER … #define GC0308_SKIN_RADIUS_SQUARE … #define GC0308_SKIN_BRIGHTNESS … #define GC0308_FIXED_CB … #define GC0308_FIXED_CR … #define GC0308_EDGE_DEC_SA … #define GC0308_AUTO_GRAY_MODE … #define GC0308_SATURATION_SUB_STRENGTH … #define GC0308_Y_GAMMA_OUT0 … #define GC0308_Y_GAMMA_OUT1 … #define GC0308_Y_GAMMA_OUT2 … #define GC0308_Y_GAMMA_OUT3 … #define GC0308_Y_GAMMA_OUT4 … #define GC0308_Y_GAMMA_OUT5 … #define GC0308_Y_GAMMA_OUT6 … #define GC0308_Y_GAMMA_OUT7 … #define GC0308_Y_GAMMA_OUT8 … #define GC0308_Y_GAMMA_OUT9 … #define GC0308_Y_GAMMA_OUT10 … #define GC0308_Y_GAMMA_OUT11 … #define GC0308_Y_GAMMA_OUT12 … /* AEC - Automatic Exposure Control */ #define GC0308_AEC_MODE1 … #define GC0308_AEC_MODE2 … #define GC0308_AEC_MODE3 … #define GC0308_AEC_TARGET_Y … #define GC0308_Y_AVG … #define GC0308_AEC_HIGH_LOW_RANGE … #define GC0308_AEC_IGNORE … #define GC0308_AEC_LIMIT_HIGH_RANGE … #define GC0308_AEC_R_OFFSET … #define GC0308_AEC_GB_OFFSET … #define GC0308_AEC_SLOW_MARGIN … #define GC0308_AEC_FAST_MARGIN … #define GC0308_AEC_EXP_CHANGE_GAIN … #define GC0308_AEC_STEP2_SUNLIGHT … #define GC0308_AEC_I_FRAMES … #define GC0308_AEC_I_STOP_L_MARGIN … #define GC0308_AEC_I_STOP_MARGIN … #define GC0308_ANTI_FLICKER_STEP … #define GC0308_EXP_LVL_1 … #define GC0308_EXP_LVL_2 … #define GC0308_EXP_LVL_3 … #define GC0308_EXP_LVL_4 … #define GC0308_MAX_EXP_LVL … #define GC0308_EXP_MIN_L … #define GC0308_MAX_POST_DF_GAIN … #define GC0308_MAX_PRE_DG_GAIN … /* ABS */ #define GC0308_ABS_RANGE_COMP … #define GC0308_ABS_STOP_MARGIN … #define GC0308_Y_S_COMP … #define GC0308_Y_STRETCH_LIMIT … #define GC0308_Y_TILT … #define GC0308_Y_STRETCH … /* Measure Window */ #define GC0308_BIG_WIN_X0 … #define GC0308_BIG_WIN_Y0 … #define GC0308_BIG_WIN_X1 … #define GC0308_BIG_WIN_Y1 … #define GC0308_DIFF_Y_BIG_THD … /* OUT Module (P1) */ #define GC0308_CLOSE_FRAME_EN … #define GC0308_CLOSE_FRAME_NUM1 … #define GC0308_CLOSE_FRAME_NUM2 … #define GC0308_BAYER_MODE … #define GC0308_SUBSAMPLE … #define GC0308_SUBMODE … #define GC0308_SUB_ROW_N1 … #define GC0308_SUB_ROW_N2 … #define GC0308_SUB_COL_N1 … #define GC0308_SUB_COL_N2 … /* AWB (P1) - Auto White Balance */ #define GC0308_AWB_RGB_HIGH_LOW … #define GC0308_AWB_Y_TO_C_DIFF2 … #define GC0308_AWB_C_MAX … #define GC0308_AWB_C_INTER … #define GC0308_AWB_C_INTER2 … #define GC0308_AWB_C_MAX_BIG … #define GC0308_AWB_Y_HIGH … #define GC0308_AWB_NUMBER_LIMIT … #define GC0308_KWIN_RATIO … #define GC0308_KWIN_THD … #define GC0308_LIGHT_GAIN_RANGE … #define GC0308_SMALL_WIN_WIDTH_STEP … #define GC0308_SMALL_WIN_HEIGHT_STEP … #define GC0308_AWB_YELLOW_TH … #define GC0308_AWB_MODE … #define GC0308_AWB_ADJUST_SPEED … #define GC0308_AWB_EVERY_N … #define GC0308_R_AVG_USE … #define GC0308_G_AVG_USE … #define GC0308_B_AVG_USE … #define GC0308_HBLANK_MIN … #define GC0308_HBLANK_MAX … #define GC0308_HBLANK_DEF … #define GC0308_VBLANK_MIN … #define GC0308_VBLANK_MAX … #define GC0308_VBLANK_DEF … #define GC0308_PIXEL_RATE … /* * frame_time = (BT + height + 8) * row_time * width = 640 (driver does not change window size) * height = 480 (driver does not change window size) * row_time = HBLANK + SAMPLE_HOLD_DELAY + width + 8 + 4 * * When EXP_TIME > (BT + height): * BT = EXP_TIME - height - 8 - VS_START_TIME + VS_END_TIME * else: * BT = VBLANK + VS_START_TIME + VS_END_TIME * * max is 30 FPS * * In my tests frame rate mostly depends on exposure time. Unfortuantely * it's unclear how this is calculated exactly. Also since we enable AEC, * the frame times vary depending on ambient light conditions. */ #define GC0308_FRAME_RATE_MAX … enum gc0308_exp_val { … }; static const s64 gc0308_exposure_menu[] = …; struct gc0308_exposure { … }; #define GC0308_EXPOSURE(luma_offset_reg, aec_target_y_reg) … static const struct gc0308_exposure gc0308_exposure_values[] = …; struct gc0308_awb_gains { … }; #define GC0308_AWB_GAINS(red, green, blue) … static const struct gc0308_awb_gains gc0308_awb_gains[] = …; struct gc0308_format { … }; #define GC0308_FORMAT(v4l2_code, gc0308_regval) … static const struct gc0308_format gc0308_formats[] = …; struct gc0308_frame_size { … }; #define GC0308_FRAME_SIZE(s, w, h) … static const struct gc0308_frame_size gc0308_frame_sizes[] = …; struct gc0308_mode_registers { … }; struct gc0308 { … }; static inline struct gc0308 *to_gc0308(struct v4l2_subdev *sd) { … } static const struct regmap_range_cfg gc0308_ranges[] = …; static const struct regmap_config gc0308_regmap_config = …; static const struct cci_reg_sequence sensor_default_regs[] = …; struct gc0308_colormode { … }; #define GC0308_COLOR_FX(reg_special_effect, reg_dbg_mode1, reg_block_en1, \ reg_aec_mode3, reg_eeintp_mode_2, reg_edge12_effect, \ reg_luma_contrast, reg_contrast_center, \ reg_fixed_cb, reg_fixed_cr) … static const struct gc0308_colormode gc0308_colormodes[] = …; static int gc0308_power_on(struct device *dev) { … } static int gc0308_power_off(struct device *dev) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int gc0308_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int gc0308_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif static int gc0308_set_exposure(struct gc0308 *gc0308, enum gc0308_exp_val exp) { … } static int gc0308_set_awb_mode(struct gc0308 *gc0308, enum v4l2_auto_n_preset_white_balance val) { … } static int gc0308_set_colormode(struct gc0308 *gc0308, enum v4l2_colorfx mode) { … } static int gc0308_set_power_line_freq(struct gc0308 *gc0308, int frequency) { … } static int gc0308_update_mirror(struct gc0308 *gc0308) { … } static int gc0308_update_blanking(struct gc0308 *gc0308) { … } static int _gc0308_s_ctrl(struct v4l2_ctrl *ctrl) { … } static int gc0308_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops gc0308_ctrl_ops = …; static const struct v4l2_subdev_core_ops gc0308_core_ops = …; static int gc0308_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int gc0308_get_format_idx(u32 code) { … } static int gc0308_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static void gc0308_update_pad_format(const struct gc0308_frame_size *mode, struct v4l2_mbus_framefmt *fmt, u32 code) { … } static int gc0308_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int gc0308_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { … } static const struct v4l2_subdev_pad_ops gc0308_pad_ops = …; static int gc0308_set_resolution(struct gc0308 *gc0308, int *ret) { … } static int gc0308_start_stream(struct gc0308 *gc0308) { … } static int gc0308_stop_stream(struct gc0308 *gc0308) { … } static int gc0308_s_stream(struct v4l2_subdev *sd, int enable) { … } static const struct v4l2_subdev_video_ops gc0308_video_ops = …; static const struct v4l2_subdev_ops gc0308_subdev_ops = …; static const struct v4l2_subdev_internal_ops gc0308_internal_ops = …; static int gc0308_bus_config(struct gc0308 *gc0308) { … } static const char * const gc0308_test_pattern_menu[] = …; static int gc0308_init_controls(struct gc0308 *gc0308) { … } static int gc0308_probe(struct i2c_client *client) { … } static void gc0308_remove(struct i2c_client *client) { … } static const struct dev_pm_ops gc0308_pm_ops = …; static const struct of_device_id gc0308_of_match[] = …; MODULE_DEVICE_TABLE(of, gc0308_of_match); static struct i2c_driver gc0308_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux