// SPDX-License-Identifier: GPL-2.0 /* * Driver for RJ54N1CB0C CMOS Image Sensor from Sharp * * Copyright (C) 2018, Jacopo Mondi <[email protected]> * * Copyright (C) 2009, Guennadi Liakhovetski <[email protected]> */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/v4l2-mediabus.h> #include <linux/videodev2.h> #include <media/i2c/rj54n1cb0c.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-subdev.h> #define RJ54N1_DEV_CODE … #define RJ54N1_DEV_CODE2 … #define RJ54N1_OUT_SEL … #define RJ54N1_XY_OUTPUT_SIZE_S_H … #define RJ54N1_X_OUTPUT_SIZE_S_L … #define RJ54N1_Y_OUTPUT_SIZE_S_L … #define RJ54N1_XY_OUTPUT_SIZE_P_H … #define RJ54N1_X_OUTPUT_SIZE_P_L … #define RJ54N1_Y_OUTPUT_SIZE_P_L … #define RJ54N1_LINE_LENGTH_PCK_S_H … #define RJ54N1_LINE_LENGTH_PCK_S_L … #define RJ54N1_LINE_LENGTH_PCK_P_H … #define RJ54N1_LINE_LENGTH_PCK_P_L … #define RJ54N1_RESIZE_N … #define RJ54N1_RESIZE_N_STEP … #define RJ54N1_RESIZE_STEP … #define RJ54N1_RESIZE_HOLD_H … #define RJ54N1_RESIZE_HOLD_L … #define RJ54N1_H_OBEN_OFS … #define RJ54N1_V_OBEN_OFS … #define RJ54N1_RESIZE_CONTROL … #define RJ54N1_STILL_CONTROL … #define RJ54N1_INC_USE_SEL_H … #define RJ54N1_INC_USE_SEL_L … #define RJ54N1_MIRROR_STILL_MODE … #define RJ54N1_INIT_START … #define RJ54N1_SCALE_1_2_LEV … #define RJ54N1_SCALE_4_LEV … #define RJ54N1_Y_GAIN … #define RJ54N1_APT_GAIN_UP … #define RJ54N1_RA_SEL_UL … #define RJ54N1_BYTE_SWAP … #define RJ54N1_OUT_SIGPO … #define RJ54N1_WB_SEL_WEIGHT_I … #define RJ54N1_BIT8_WB … #define RJ54N1_HCAPS_WB … #define RJ54N1_VCAPS_WB … #define RJ54N1_HCAPE_WB … #define RJ54N1_VCAPE_WB … #define RJ54N1_EXPOSURE_CONTROL … #define RJ54N1_FRAME_LENGTH_S_H … #define RJ54N1_FRAME_LENGTH_S_L … #define RJ54N1_FRAME_LENGTH_P_H … #define RJ54N1_FRAME_LENGTH_P_L … #define RJ54N1_PEAK_H … #define RJ54N1_PEAK_50 … #define RJ54N1_PEAK_60 … #define RJ54N1_PEAK_DIFF … #define RJ54N1_IOC … #define RJ54N1_TG_BYPASS … #define RJ54N1_PLL_L … #define RJ54N1_PLL_N … #define RJ54N1_PLL_EN … #define RJ54N1_RATIO_TG … #define RJ54N1_RATIO_T … #define RJ54N1_RATIO_R … #define RJ54N1_RAMP_TGCLK_EN … #define RJ54N1_OCLK_DSP … #define RJ54N1_RATIO_OP … #define RJ54N1_RATIO_O … #define RJ54N1_OCLK_SEL_EN … #define RJ54N1_CLK_RST … #define RJ54N1_RESET_STANDBY … #define RJ54N1_FWFLG … #define E_EXCLK … #define SOFT_STDBY … #define SEN_RSTX … #define TG_RSTX … #define DSP_RSTX … #define RESIZE_HOLD_SEL … #define RESIZE_GO … /* * When cropping, the camera automatically centers the cropped region, there * doesn't seem to be a way to specify an explicit location of the rectangle. */ #define RJ54N1_COLUMN_SKIP … #define RJ54N1_ROW_SKIP … #define RJ54N1_MAX_WIDTH … #define RJ54N1_MAX_HEIGHT … #define PLL_L … #define PLL_N … /* I2C addresses: 0x50, 0x51, 0x60, 0x61 */ /* RJ54N1CB0C has only one fixed colorspace per pixelcode */ struct rj54n1_datafmt { … }; /* Find a data format by a pixel code in an array */ static const struct rj54n1_datafmt *rj54n1_find_datafmt( u32 code, const struct rj54n1_datafmt *fmt, int n) { … } static const struct rj54n1_datafmt rj54n1_colour_fmts[] = …; struct rj54n1_clock_div { … }; struct rj54n1 { … }; struct rj54n1_reg_val { … }; static const struct rj54n1_reg_val bank_4[] = …; static const struct rj54n1_reg_val bank_5[] = …; static const struct rj54n1_reg_val bank_7[] = …; static const struct rj54n1_reg_val bank_8[] = …; static const struct rj54n1_reg_val bank_10[] = …; /* Clock dividers - these are default register values, divider = register + 1 */ static const struct rj54n1_clock_div clk_div = …; static struct rj54n1 *to_rj54n1(const struct i2c_client *client) { … } static int reg_read(struct i2c_client *client, const u16 reg) { … } static int reg_write(struct i2c_client *client, const u16 reg, const u8 data) { … } static int reg_set(struct i2c_client *client, const u16 reg, const u8 data, const u8 mask) { … } static int reg_write_multiple(struct i2c_client *client, const struct rj54n1_reg_val *rv, const int n) { … } static int rj54n1_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int rj54n1_s_stream(struct v4l2_subdev *sd, int enable) { … } static int rj54n1_set_rect(struct i2c_client *client, u16 reg_x, u16 reg_y, u16 reg_xy, u32 width, u32 height) { … } /* * Some commands, specifically certain initialisation sequences, require * a commit operation. */ static int rj54n1_commit(struct i2c_client *client) { … } static int rj54n1_sensor_scale(struct v4l2_subdev *sd, s32 *in_w, s32 *in_h, s32 *out_w, s32 *out_h); static int rj54n1_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int rj54n1_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static int rj54n1_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } /* * The actual geometry configuration routine. It scales the input window into * the output one, updates the window sizes and returns an error or the resize * coefficient on success. Note: we only use the "Fixed Scaling" on this camera. */ static int rj54n1_sensor_scale(struct v4l2_subdev *sd, s32 *in_w, s32 *in_h, s32 *out_w, s32 *out_h) { … } static int rj54n1_set_clock(struct i2c_client *client) { … } static int rj54n1_reg_init(struct i2c_client *client) { … } static int rj54n1_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int rj54n1_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int rj54n1_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif static int rj54n1_s_power(struct v4l2_subdev *sd, int on) { … } static int rj54n1_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops rj54n1_ctrl_ops = …; static const struct v4l2_subdev_core_ops rj54n1_subdev_core_ops = …; static const struct v4l2_subdev_video_ops rj54n1_subdev_video_ops = …; static const struct v4l2_subdev_pad_ops rj54n1_subdev_pad_ops = …; static const struct v4l2_subdev_ops rj54n1_subdev_ops = …; /* * Interface active, can use i2c. If it fails, it can indeed mean, that * this wasn't our capture interface, so, we wait for the right one */ static int rj54n1_video_probe(struct i2c_client *client, struct rj54n1_pdata *priv) { … } static int rj54n1_probe(struct i2c_client *client) { … } static void rj54n1_remove(struct i2c_client *client) { … } static const struct i2c_device_id rj54n1_id[] = …; MODULE_DEVICE_TABLE(i2c, rj54n1_id); static struct i2c_driver rj54n1_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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