path: root/drivers/media/usb/pwc/pwc-if.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* Linux driver for Philips webcam
   USB and Video4Linux interface part.
   (C) 1999-2004 Nemosoft Unv.
   (C) 2004-2006 Luc Saillard (luc@saillard.org)
   (C) 2011 Hans de Goede <hdegoede@redhat.com>

   NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
   driver and thus may have bugs that are not present in the original version.
   Please send bug reports and support requests to <luc@saillard.org>.
   The decompression routines have been implemented by reverse-engineering the
   Nemosoft binary pwcx module. Caveat emptor.


*/

/*
   This code forms the interface between the USB layers and the Philips
   specific stuff. Some adanved stuff of the driver falls under an
   NDA, signed between me and Philips B.V., Eindhoven, the Netherlands, and
   is thus not distributed in source form. The binary pwcx.o module
   contains the code that falls under the NDA.

   In case you're wondering: 'pwc' stands for "Philips WebCam", but
   I really didn't want to type 'philips_web_cam' every time (I'm lazy as
   any Linux kernel hacker, but I don't like uncomprehensible abbreviations
   without explanation).

   Oh yes, convention: to disctinguish between all the various pointers to
   device-structures, I use these names for the pointer variables:
   udev: struct usb_device *
   vdev: struct video_device (member of pwc_dev)
   pdev: struct pwc_devive *
*/

/* Contributors:
   - Alvarado: adding whitebalance code
   - Alistar Moire: QuickCam 3000 Pro device/product ID
   - Tony Hoyle: Creative Labs Webcam 5 device/product ID
   - Mark Burazin: solving hang in VIDIOCSYNC when camera gets unplugged
   - Jk Fang: Sotec Afina Eye ID
   - Xavier Roche: QuickCam Pro 4000 ID
   - Jens Knudsen: QuickCam Zoom ID
   - J. Debert: QuickCam for Notebooks ID
   - Pham Thanh Nam: webcam snapshot button as an event input device
*/

#include <linux/errno.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/poll.h>
#include <linux/slab.h>
#ifdef CONFIG_USB_PWC_INPUT_EVDEV
#include <linux/usb/input.h>
#endif
#include <linux/vmalloc.h>
#include <asm/io.h>
#include <linux/kernel.h>		/* simple_strtol() */

#include "pwc.h"
#include "pwc-kiara.h"
#include "pwc-timon.h"
#include "pwc-dec23.h"
#include "pwc-dec1.h"

#define CREATE_TRACE_POINTS
#include <trace/events/pwc.h>

/* Function prototypes and driver templates */

/* hotplug device table support */
static const struct usb_device_id pwc_device_table [] = {
	{ USB_DEVICE(0x041E, 0x400C) }, /* Creative Webcam 5 */
	{ USB_DEVICE(0x041E, 0x4011) }, /* Creative Webcam Pro Ex */

	{ USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam 3000 Pro */
	{ USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */
	{ USB_DEVICE(0x046D, 0x08B2) }, /* Logitech QuickCam 4000 Pro */
	{ USB_DEVICE(0x046D, 0x08B3) }, /* Logitech QuickCam Zoom (old model) */
	{ USB_DEVICE(0x046D, 0x08B4) }, /* Logitech QuickCam Zoom (new model) */
	{ USB_DEVICE(0x046D, 0x08B5) }, /* Logitech QuickCam Orbit/Sphere */
	{ USB_DEVICE(0x046D, 0x08B6) }, /* Logitech/Cisco VT Camera */
	{ USB_DEVICE(0x046D, 0x08B7) }, /* Logitech ViewPort AV 100 */
	{ USB_DEVICE(0x046D, 0x08B8) }, /* Logitech QuickCam */

	{ USB_DEVICE(0x0471, 0x0302) }, /* Philips PCA645VC */
	{ USB_DEVICE(0x0471, 0x0303) }, /* Philips PCA646VC */
	{ USB_DEVICE(0x0471, 0x0304) }, /* Askey VC010 type 2 */
	{ USB_DEVICE(0x0471, 0x0307) }, /* Philips PCVC675K (Vesta) */
	{ USB_DEVICE(0x0471, 0x0308) }, /* Philips PCVC680K (Vesta Pro) */
	{ USB_DEVICE(0x0471, 0x030C) }, /* Philips PCVC690K (Vesta Pro Scan) */
	{ USB_DEVICE(0x0471, 0x0310) }, /* Philips PCVC730K (ToUCam Fun)/PCVC830 (ToUCam II) */
	{ USB_DEVICE(0x0471, 0x0311) }, /* Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) */
	{ USB_DEVICE(0x0471, 0x0312) }, /* Philips PCVC750K (ToUCam Pro Scan) */
	{ USB_DEVICE(0x0471, 0x0313) }, /* Philips PCVC720K/40 (ToUCam XS) */
	{ USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC webcam */
	{ USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC webcam */

	{ USB_DEVICE(0x04CC, 0x8116) }, /* Sotec Afina Eye */

	{ USB_DEVICE(0x055D, 0x9000) }, /* Samsung MPC-C10 */
	{ USB_DEVICE(0x055D, 0x9001) }, /* Samsung MPC-C30 */
	{ USB_DEVICE(0x055D, 0x9002) },	/* Samsung SNC-35E (Ver3.0) */

	{ USB_DEVICE(0x069A, 0x0001) }, /* Askey VC010 type 1 */

	{ USB_DEVICE(0x06BE, 0x8116) }, /* AME Co. Afina Eye */

	{ USB_DEVICE(0x0d81, 0x1900) }, /* Visionite VCS-UC300 */
	{ USB_DEVICE(0x0d81, 0x1910) }, /* Visionite VCS-UM100 */

	{ }
};
MODULE_DEVICE_TABLE(usb, pwc_device_table);

static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id *id);
static void usb_pwc_disconnect(struct usb_interface *intf);
static void pwc_isoc_cleanup(struct