linux/drivers/media/usb/gspca/spca508.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * SPCA508 chip based cameras subdriver
 *
 * Copyright (C) 2009 Jean-Francois Moine <http://moinejf.free.fr>
 */

#define pr_fmt(fmt) …

#define MODULE_NAME …

#include "gspca.h"

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

/* specific webcam descriptor */
struct sd { … };

static const struct v4l2_pix_format sif_mode[] = …;

/* Frame packet header offsets for the spca508 */
#define SPCA508_OFFSET_DATA …

/*
 * Initialization data: this is the first set-up data written to the
 * device (before the open data).
 */
static const u16 spca508_init_data[][2] = …;

/*
 * Initialization data for Intel EasyPC Camera CS110
 */
static const u16 spca508cs110_init_data[][2] = …;

static const u16 spca508_sightcam_init_data[][2] = …;

static const u16 spca508_sightcam2_init_data[][2] = …;

/*
 * Initialization data for Creative Webcam Vista
 */
static const u16 spca508_vista_init_data[][2] = …;

static int reg_write(struct gspca_dev *gspca_dev, u16 index, u16 value)
{ … }

/* read 1 byte */
/* returns: negative is error, pos or zero is data */
static int reg_read(struct gspca_dev *gspca_dev,
			u16 index)	/* wIndex */
{ … }

/* send 1 or 2 bytes to the sensor via the Synchronous Serial Interface */
static int ssi_w(struct gspca_dev *gspca_dev,
		u16 reg, u16 val)
{ … }

static int write_vector(struct gspca_dev *gspca_dev,
			const u16 (*data)[2])
{ … }

/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
			const struct usb_device_id *id)
{ … }

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{ … }

static int sd_start(struct gspca_dev *gspca_dev)
{ … }

static void sd_stopN(struct gspca_dev *gspca_dev)
{ … }

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{ … }

static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
{ … }

static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{ … }

static const struct v4l2_ctrl_ops sd_ctrl_ops = …;

static int sd_init_controls(struct gspca_dev *gspca_dev)
{ … }

/* sub-driver description */
static const struct sd_desc sd_desc = …;

/* -- module initialisation -- */
static const struct usb_device_id device_table[] = …;
MODULE_DEVICE_TABLE(usb, device_table);

/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{ … }

static struct usb_driver sd_driver = …;

module_usb_driver(…) …;