linux/drivers/media/usb/em28xx/em28xx-camera.c

// SPDX-License-Identifier: GPL-2.0+
//
// em28xx-camera.c - driver for Empia EM25xx/27xx/28xx USB video capture devices
//
// Copyright (C) 2009 Mauro Carvalho Chehab <[email protected]>
// Copyright (C) 2013 Frank Schäfer <[email protected]>

#include "em28xx.h"

#include <linux/i2c.h>
#include <linux/usb.h>
#include <media/i2c/mt9v011.h>
#include <media/v4l2-common.h>

/* Possible i2c addresses of Micron sensors */
static unsigned short micron_sensor_addrs[] = …;

/* Possible i2c addresses of Omnivision sensors */
static unsigned short omnivision_sensor_addrs[] = …;

/* FIXME: Should be replaced by a proper mt9m111 driver */
static int em28xx_initialize_mt9m111(struct em28xx *dev)
{ … }

/* FIXME: Should be replaced by a proper mt9m001 driver */
static int em28xx_initialize_mt9m001(struct em28xx *dev)
{ … }

/*
 * Probes Micron sensors with 8 bit address and 16 bit register width
 */
static int em28xx_probe_sensor_micron(struct em28xx *dev)
{ … }

/*
 * Probes Omnivision sensors with 8 bit address and register width
 */
static int em28xx_probe_sensor_omnivision(struct em28xx *dev)
{ … }

int em28xx_detect_sensor(struct em28xx *dev)
{ … }

int em28xx_init_camera(struct em28xx *dev)
{ … }
EXPORT_SYMBOL_GPL(…);