linux/drivers/media/i2c/ths7303.c

/*
 * ths7303/53- THS7303/53 Video Amplifier driver
 *
 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
 * Copyright 2013 Cisco Systems, Inc. and/or its affiliates.
 *
 * Author: Chaithrika U S <[email protected]>
 *
 * Contributors:
 *     Hans Verkuil <[email protected]>
 *     Lad, Prabhakar <[email protected]>
 *     Martin Bugge <[email protected]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed .as is. WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/slab.h>

#include <media/i2c/ths7303.h>
#include <media/v4l2-device.h>

#define THS7303_CHANNEL_1 …
#define THS7303_CHANNEL_2 …
#define THS7303_CHANNEL_3 …

struct ths7303_state { … };

enum ths7303_filter_mode { … };

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

static inline struct ths7303_state *to_state(struct v4l2_subdev *sd)
{ … }

static int ths7303_read(struct v4l2_subdev *sd, u8 reg)
{ … }

static int ths7303_write(struct v4l2_subdev *sd, u8 reg, u8 val)
{ … }

/* following function is used to set ths7303 */
static int ths7303_setval(struct v4l2_subdev *sd,
			  enum ths7303_filter_mode mode)
{ … }

static int ths7303_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm)
{ … }

static int ths7303_config(struct v4l2_subdev *sd)
{ … }

static int ths7303_s_stream(struct v4l2_subdev *sd, int enable)
{ … }

/* for setting filter for HD output */
static int ths7303_s_dv_timings(struct v4l2_subdev *sd, unsigned int pad,
				struct v4l2_dv_timings *dv_timings)
{ … }

static const struct v4l2_subdev_video_ops ths7303_video_ops = …;

#ifdef CONFIG_VIDEO_ADV_DEBUG

static int ths7303_g_register(struct v4l2_subdev *sd,
			      struct v4l2_dbg_register *reg)
{ … }

static int ths7303_s_register(struct v4l2_subdev *sd,
			      const struct v4l2_dbg_register *reg)
{ … }
#endif

static const char * const stc_lpf_sel_txt[4] = …;

static const char * const in_mux_sel_txt[2] = …;

static const char * const lpf_freq_sel_txt[4] = …;

static const char * const in_bias_sel_dis_cont_txt[8] = …;

static void ths7303_log_channel_status(struct v4l2_subdev *sd, u8 reg)
{ … }

static int ths7303_log_status(struct v4l2_subdev *sd)
{ … }

static const struct v4l2_subdev_core_ops ths7303_core_ops = …;

static const struct v4l2_subdev_pad_ops ths7303_pad_ops = …;

static const struct v4l2_subdev_ops ths7303_ops = …;

static int ths7303_probe(struct i2c_client *client)
{ … }

static void ths7303_remove(struct i2c_client *client)
{ … }

static const struct i2c_device_id ths7303_id[] = …;

MODULE_DEVICE_TABLE(i2c, ths7303_id);

static struct i2c_driver ths7303_driver = …;

module_i2c_driver(…) …;