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

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Driver for USB webcams based on Konica chipset. This
 * chipset is used in Intel YC76 camera.
 *
 * Copyright (C) 2010 Hans de Goede <[email protected]>
 *
 * Based on the usbvideo v4l1 konicawc driver which is:
 *
 * Copyright (C) 2002 Simon Evans <[email protected]>
 *
 * The code for making gspca work with a webcam with 2 isoc endpoints was
 * taken from the benq gspca subdriver which is:
 *
 * Copyright (C) 2009 Jean-Francois Moine (http://moinejf.free.fr)
 */

#define pr_fmt(fmt) …

#define MODULE_NAME …

#include <linux/input.h>
#include "gspca.h"

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

#define WHITEBAL_REG …
#define BRIGHTNESS_REG …
#define SHARPNESS_REG …
#define CONTRAST_REG …
#define SATURATION_REG …

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


/* .priv is what goes to register 8 for this mode, known working values:
   0x00 -> 176x144, cropped
   0x01 -> 176x144, cropped
   0x02 -> 176x144, cropped
   0x03 -> 176x144, cropped
   0x04 -> 176x144, binned
   0x05 -> 320x240
   0x06 -> 320x240
   0x07 -> 160x120, cropped
   0x08 -> 160x120, cropped
   0x09 -> 160x120, binned (note has 136 lines)
   0x0a -> 160x120, binned (note has 136 lines)
   0x0b -> 160x120, cropped
*/
static const struct v4l2_pix_format vga_mode[] = …;

static void sd_isoc_irq(struct urb *urb);

static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
{ … }

static void reg_r(struct gspca_dev *gspca_dev, u16 value, u16 index)
{ … }

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

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

/* 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)
{ … }

/* reception of an URB */
static void sd_isoc_irq(struct urb *urb)
{ … }

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(…) …;