linux/drivers/media/i2c/upd64083.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * upd6408x - NEC Electronics 3-Dimensional Y/C separation driver
 *
 * 2003 by T.Adachi ([email protected])
 * 2003 by Takeru KOMORIYA <[email protected]>
 * 2006 by Hans Verkuil <[email protected]>
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/i2c/upd64083.h>

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;

static bool debug;
module_param(debug, bool, 0644);

MODULE_PARM_DESC(…) …;


enum { … };

struct upd64083_state { … };

static inline struct upd64083_state *to_state(struct v4l2_subdev *sd)
{ … }

/* Initial values when used in combination with the
   NEC upd64031a ghost reduction chip. */
static u8 upd64083_init[] = …;

/* ------------------------------------------------------------------------ */

static void upd64083_write(struct v4l2_subdev *sd, u8 reg, u8 val)
{ … }

/* ------------------------------------------------------------------------ */

#ifdef CONFIG_VIDEO_ADV_DEBUG
static u8 upd64083_read(struct v4l2_subdev *sd, u8 reg)
{ … }
#endif

/* ------------------------------------------------------------------------ */

static int upd64083_s_routing(struct v4l2_subdev *sd,
			      u32 input, u32 output, u32 config)
{ … }

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int upd64083_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{ … }

static int upd64083_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
{ … }
#endif

static int upd64083_log_status(struct v4l2_subdev *sd)
{ … }

/* ----------------------------------------------------------------------- */

static const struct v4l2_subdev_core_ops upd64083_core_ops = …;

static const struct v4l2_subdev_video_ops upd64083_video_ops = …;

static const struct v4l2_subdev_ops upd64083_ops = …;

/* ------------------------------------------------------------------------ */

/* i2c implementation */

static int upd64083_probe(struct i2c_client *client)
{ … }

static void upd64083_remove(struct i2c_client *client)
{ … }

/* ----------------------------------------------------------------------- */

static const struct i2c_device_id upd64083_id[] = …;
MODULE_DEVICE_TABLE(i2c, upd64083_id);

static struct i2c_driver upd64083_driver = …;

module_i2c_driver(…) …;