// SPDX-License-Identifier: GPL-2.0 /* * ov772x Camera Driver * * Copyright (C) 2017 Jacopo Mondi <[email protected]> * * Copyright (C) 2008 Renesas Solutions Corp. * Kuninori Morimoto <[email protected]> * * Based on ov7670 and soc_camera_platform driver, * * Copyright 2006-7 Jonathan Corbet <[email protected]> * Copyright (C) 2008 Magnus Damm * Copyright (C) 2008, Guennadi Liakhovetski <[email protected]> */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/slab.h> #include <linux/v4l2-mediabus.h> #include <linux/videodev2.h> #include <media/i2c/ov772x.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-image-sizes.h> #include <media/v4l2-subdev.h> /* * register offset */ #define GAIN … #define BLUE … #define RED … #define GREEN … #define COM1 … #define BAVG … #define GAVG … #define RAVG … #define AECH … #define COM2 … #define PID … #define VER … #define COM3 … #define COM4 … #define COM5 … #define COM6 … #define AEC … #define CLKRC … #define COM7 … #define COM8 … #define COM9 … #define COM10 … #define REG16 … #define HSTART … #define HSIZE … #define VSTART … #define VSIZE … #define PSHFT … #define MIDH … #define MIDL … #define LAEC … #define COM11 … #define BDBASE … #define DBSTEP … #define AEW … #define AEB … #define VPT … #define REG28 … #define HOUTSIZE … #define EXHCH … #define EXHCL … #define VOUTSIZE … #define ADVFL … #define ADVFH … #define YAVE … #define LUMHTH … #define LUMLTH … #define HREF … #define DM_LNL … #define DM_LNH … #define ADOFF_B … #define ADOFF_R … #define ADOFF_GB … #define ADOFF_GR … #define OFF_B … #define OFF_R … #define OFF_GB … #define OFF_GR … #define COM12 … #define COM13 … #define COM14 … #define COM15 … #define COM16 … #define TGT_B … #define TGT_R … #define TGT_GB … #define TGT_GR … /* for ov7720 */ #define LCC0 … #define LCC1 … #define LCC2 … #define LCC3 … #define LCC4 … #define LCC5 … #define LCC6 … /* for ov7725 */ #define LC_CTR … #define LC_XC … #define LC_YC … #define LC_COEF … #define LC_RADI … #define LC_COEFB … #define LC_COEFR … #define FIXGAIN … #define AREF0 … #define AREF1 … #define AREF2 … #define AREF3 … #define AREF4 … #define AREF5 … #define AREF6 … #define AREF7 … #define UFIX … #define VFIX … #define AWBB_BLK … #define AWB_CTRL0 … #define DSP_CTRL1 … #define DSP_CTRL2 … #define DSP_CTRL3 … #define DSP_CTRL4 … #define AWB_BIAS … #define AWB_CTRL1 … #define AWB_CTRL2 … #define AWB_CTRL3 … #define AWB_CTRL4 … #define AWB_CTRL5 … #define AWB_CTRL6 … #define AWB_CTRL7 … #define AWB_CTRL8 … #define AWB_CTRL9 … #define AWB_CTRL10 … #define AWB_CTRL11 … #define AWB_CTRL12 … #define AWB_CTRL13 … #define AWB_CTRL14 … #define AWB_CTRL15 … #define AWB_CTRL16 … #define AWB_CTRL17 … #define AWB_CTRL18 … #define AWB_CTRL19 … #define AWB_CTRL20 … #define AWB_CTRL21 … #define GAM1 … #define GAM2 … #define GAM3 … #define GAM4 … #define GAM5 … #define GAM6 … #define GAM7 … #define GAM8 … #define GAM9 … #define GAM10 … #define GAM11 … #define GAM12 … #define GAM13 … #define GAM14 … #define GAM15 … #define SLOP … #define DNSTH … #define EDGE_STRNGT … #define EDGE_TRSHLD … #define DNSOFF … #define EDGE_UPPER … #define EDGE_LOWER … #define MTX1 … #define MTX2 … #define MTX3 … #define MTX4 … #define MTX5 … #define MTX6 … #define MTX_CTRL … #define BRIGHT … #define CNTRST … #define CNTRST_CTRL … #define UVAD_J0 … #define UVAD_J1 … #define SCAL0 … #define SCAL1 … #define SCAL2 … #define FIFODLYM … #define FIFODLYA … #define SDE … #define USAT … #define VSAT … /* for ov7720 */ #define HUE0 … #define HUE1 … /* for ov7725 */ #define HUECOS … #define HUESIN … #define SIGN … #define DSPAUTO … /* * register detail */ /* COM2 */ #define SOFT_SLEEP_MODE … /* Output drive capability */ #define OCAP_1x … #define OCAP_2x … #define OCAP_3x … #define OCAP_4x … /* COM3 */ #define SWAP_MASK … #define IMG_MASK … #define VFLIP_IMG … #define HFLIP_IMG … #define SWAP_RGB … #define SWAP_YUV … #define SWAP_ML … /* Tri-state option for output clock */ #define NOTRI_CLOCK … /* 1: No tri-state at this period */ /* Tri-state option for output data */ #define NOTRI_DATA … /* 1: No tri-state at this period */ #define SCOLOR_TEST … /* COM4 */ /* PLL frequency control */ #define PLL_BYPASS … #define PLL_4x … #define PLL_6x … #define PLL_8x … /* AEC evaluate window */ #define AEC_FULL … #define AEC_1p2 … #define AEC_1p4 … #define AEC_2p3 … #define COM4_RESERVED … /* COM5 */ #define AFR_ON_OFF … #define AFR_SPPED … /* Auto frame rate max rate control */ #define AFR_NO_RATE … #define AFR_1p2 … #define AFR_1p4 … #define AFR_1p8 … /* Auto frame rate active point control */ #define AF_2x … #define AF_4x … #define AF_8x … #define AF_16x … /* AEC max step control */ #define AEC_NO_LIMIT … /* 1 : No limit to AEC increase step */ /* CLKRC */ /* Input clock divider register */ #define CLKRC_RESERVED … #define CLKRC_DIV(n) … /* COM7 */ /* SCCB Register Reset */ #define SCCB_RESET … /* 1 : Resets all registers to default */ /* Resolution selection */ #define SLCT_MASK … #define SLCT_VGA … #define SLCT_QVGA … #define ITU656_ON_OFF … #define SENSOR_RAW … /* RGB output format control */ #define FMT_MASK … #define FMT_GBR422 … #define FMT_RGB565 … #define FMT_RGB555 … #define FMT_RGB444 … /* Output format control */ #define OFMT_MASK … #define OFMT_YUV … #define OFMT_P_BRAW … #define OFMT_RGB … #define OFMT_BRAW … /* COM8 */ #define FAST_ALGO … /* AEC Setp size limit */ #define UNLMT_STEP … /* 1 : Unlimited step size */ #define BNDF_ON_OFF … #define AEC_BND … #define AEC_ON_OFF … #define AGC_ON … #define AWB_ON … #define AEC_ON … /* COM9 */ #define BASE_AECAGC … /* Automatic gain ceiling - maximum AGC value */ #define GAIN_2x … #define GAIN_4x … #define GAIN_8x … #define GAIN_16x … #define GAIN_32x … #define GAIN_64x … #define GAIN_128x … #define DROP_VSYNC … #define DROP_HREF … /* COM11 */ #define SGLF_ON_OFF … #define SGLF_TRIG … /* HREF */ #define HREF_VSTART_SHIFT … #define HREF_HSTART_SHIFT … #define HREF_VSIZE_SHIFT … #define HREF_HSIZE_SHIFT … /* EXHCH */ #define EXHCH_VSIZE_SHIFT … #define EXHCH_HSIZE_SHIFT … /* DSP_CTRL1 */ #define FIFO_ON … #define UV_ON_OFF … #define YUV444_2_422 … #define CLR_MTRX_ON_OFF … #define INTPLT_ON_OFF … #define GMM_ON_OFF … #define AUTO_BLK_ON_OFF … #define AUTO_WHT_ON_OFF … /* DSP_CTRL3 */ #define UV_MASK … #define UV_ON … #define UV_OFF … #define CBAR_MASK … #define CBAR_ON … #define CBAR_OFF … /* DSP_CTRL4 */ #define DSP_OFMT_YUV … #define DSP_OFMT_RGB … #define DSP_OFMT_RAW8 … #define DSP_OFMT_RAW10 … /* DSPAUTO (DSP Auto Function ON/OFF Control) */ #define AWB_ACTRL … #define DENOISE_ACTRL … #define EDGE_ACTRL … #define UV_ACTRL … #define SCAL0_ACTRL … #define SCAL1_2_ACTRL … #define OV772X_MAX_WIDTH … #define OV772X_MAX_HEIGHT … /* * ID */ #define OV7720 … #define OV7725 … #define VERSION(pid, ver) … /* * PLL multipliers */ static struct { … } ov772x_pll[] = …; /* * struct */ struct ov772x_color_format { … }; struct ov772x_win_size { … }; struct ov772x_priv { … }; /* * supported color format list */ static const struct ov772x_color_format ov772x_cfmts[] = …; /* * window size list */ static const struct ov772x_win_size ov772x_win_sizes[] = …; static const char * const ov772x_test_pattern_menu[] = …; /* * frame rate settings lists */ static const unsigned int ov772x_frame_intervals[] = …; /* * general function */ static struct ov772x_priv *to_ov772x(struct v4l2_subdev *sd) { … } static int ov772x_reset(struct ov772x_priv *priv) { … } /* * subdev ops */ static int ov772x_s_stream(struct v4l2_subdev *sd, int enable) { … } static unsigned int ov772x_select_fps(struct ov772x_priv *priv, struct v4l2_fract *tpf) { … } static int ov772x_set_frame_rate(struct ov772x_priv *priv, unsigned int fps, const struct ov772x_color_format *cfmt, const struct ov772x_win_size *win) { … } static int ov772x_get_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *ival) { … } static int ov772x_set_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *ival) { … } static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int ov772x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int ov772x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif static int ov772x_power_on(struct ov772x_priv *priv) { … } static int ov772x_power_off(struct ov772x_priv *priv) { … } static int ov772x_set_params(struct ov772x_priv *priv, const struct ov772x_color_format *cfmt, const struct ov772x_win_size *win); static int ov772x_s_power(struct v4l2_subdev *sd, int on) { … } static const struct ov772x_win_size *ov772x_select_win(u32 width, u32 height) { … } static void ov772x_select_params(const struct v4l2_mbus_framefmt *mf, const struct ov772x_color_format **cfmt, const struct ov772x_win_size **win) { … } static int ov772x_edgectrl(struct ov772x_priv *priv) { … } static int ov772x_set_params(struct ov772x_priv *priv, const struct ov772x_color_format *cfmt, const struct ov772x_win_size *win) { … } static int ov772x_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int ov772x_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int ov772x_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int ov772x_video_probe(struct ov772x_priv *priv) { … } static const struct v4l2_ctrl_ops ov772x_ctrl_ops = …; static const struct v4l2_subdev_core_ops ov772x_subdev_core_ops = …; static int ov772x_enum_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval_enum *fie) { … } static int ov772x_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static const struct v4l2_subdev_video_ops ov772x_subdev_video_ops = …; static const struct v4l2_subdev_pad_ops ov772x_subdev_pad_ops = …; static const struct v4l2_subdev_ops ov772x_subdev_ops = …; static int ov772x_parse_dt(struct i2c_client *client, struct ov772x_priv *priv) { … } /* * i2c_driver function */ static int ov772x_probe(struct i2c_client *client) { … } static void ov772x_remove(struct i2c_client *client) { … } static const struct i2c_device_id ov772x_id[] = …; MODULE_DEVICE_TABLE(i2c, ov772x_id); static const struct of_device_id ov772x_of_match[] = …; MODULE_DEVICE_TABLE(of, ov772x_of_match); static struct i2c_driver ov772x_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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