V4L/DVB: Remove obsolete ov511 driver

obsolete v4l1 driver replaced by gspca_ov519

Signed-off-by: Amerigo Wang <amwang@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/feature-removal-schedule.txt

@@ -459,14 +459,6 @@ Who:	Corentin Chary <corentin.chary@gmail.com>
 
 ----------------------------
 
-What:	ov511 v4l1 driver
-When:	2.6.35
-Files:	drivers/media/video/ov511.[ch]
-Why:	obsolete v4l1 driver replaced by gspca_ov519
-Who:	Hans de Goede <hdegoede@redhat.com>
-
-----------------------------
-
 What:	w9968cf v4l1 driver
 When:	2.6.35
 Files:	drivers/media/video/w9968cf*.[ch]

drivers/media/video/Kconfig

@@ -1040,22 +1040,6 @@ config USB_W9968CF
 	  To compile this driver as a module, choose M here: the
 	  module will be called w9968cf.
 
-config USB_OV511
-	tristate "USB OV511 Camera support (DEPRECATED)"
-	depends on VIDEO_V4L1
-	default n
-	---help---
-	  This driver is DEPRECATED please use the gspca ov519 module
-	  instead. Note that for the ov511 / ov518 support of the gspca module
-	  you need atleast version 0.6.0 of libv4l.
-
-	  Say Y here if you want to connect this type of camera to your
-	  computer's USB port. See <file:Documentation/video4linux/ov511.txt>
-	  for more information and for a list of supported cameras.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called ov511.
-
 config USB_SE401
 	tristate "USB SE401 Camera support"
 	depends on VIDEO_V4L1

drivers/media/video/Makefile

@@ -127,7 +127,6 @@ obj-$(CONFIG_VIDEO_CX2341X) += cx2341x.o
 obj-$(CONFIG_VIDEO_CAFE_CCIC) += cafe_ccic.o
 
 obj-$(CONFIG_USB_DABUSB)        += dabusb.o
-obj-$(CONFIG_USB_OV511)         += ov511.o
 obj-$(CONFIG_USB_SE401)         += se401.o
 obj-$(CONFIG_USB_STV680)        += stv680.o
 obj-$(CONFIG_USB_W9968CF)       += w9968cf.o

drivers/media/video/ov511.c

@@ -1,5995 +0,0 @@
-/*
- * OmniVision OV511 Camera-to-USB Bridge Driver
- *
- * Copyright (c) 1999-2003 Mark W. McClelland
- * Original decompression code Copyright 1998-2000 OmniVision Technologies
- * Many improvements by Bret Wallach <bwallac1@san.rr.com>
- * Color fixes by by Orion Sky Lawlor <olawlor@acm.org> (2/26/2000)
- * Snapshot code by Kevin Moore
- * OV7620 fixes by Charl P. Botha <cpbotha@ieee.org>
- * Changes by Claudio Matsuoka <claudio@conectiva.com>
- * Original SAA7111A code by Dave Perks <dperks@ibm.net>
- * URB error messages from pwc driver by Nemosoft
- * generic_ioctl() code from videodev.c by Gerd Knorr and Alan Cox
- * Memory management (rvmalloc) code from bttv driver, by Gerd Knorr and others
- *
- * Based on the Linux CPiA driver written by Peter Pregler,
- * Scott J. Bertin and Johannes Erdfelt.
- *
- * Please see the file: Documentation/usb/ov511.txt
- * and the website at:  http://alpha.dyndns.org/ov511
- * for more info.
- *
- * 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; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <linux/ctype.h>
-#include <linux/pagemap.h>
-#include <asm/processor.h>
-#include <linux/mm.h>
-#include <linux/device.h>
-
-#if defined (__i386__)
-	#include <asm/cpufeature.h>
-#endif
-
-#include "ov511.h"
-
-/*
- * Version Information
- */
-#define DRIVER_VERSION "v1.64 for Linux 2.5"
-#define EMAIL "mark@alpha.dyndns.org"
-#define DRIVER_AUTHOR "Mark McClelland <mark@alpha.dyndns.org> & Bret Wallach \
-& Orion Sky Lawlor <olawlor@acm.org> & Kevin Moore & Charl P. Botha \
-<cpbotha@ieee.org> & Claudio Matsuoka <claudio@conectiva.com>"
-#define DRIVER_DESC "ov511 USB Camera Driver"
-
-#define OV511_I2C_RETRIES 3
-#define ENABLE_Y_QUANTABLE 1
-#define ENABLE_UV_QUANTABLE 1
-
-#define OV511_MAX_UNIT_VIDEO 16
-
-/* Pixel count * bytes per YUV420 pixel (1.5) */
-#define MAX_FRAME_SIZE(w, h) ((w) * (h) * 3 / 2)
-
-#define MAX_DATA_SIZE(w, h) (MAX_FRAME_SIZE(w, h) + sizeof(struct timeval))
-
-/* Max size * bytes per YUV420 pixel (1.5) + one extra isoc frame for safety */
-#define MAX_RAW_DATA_SIZE(w, h) ((w) * (h) * 3 / 2 + 1024)
-
-#define FATAL_ERROR(rc) ((rc) < 0 && (rc) != -EPERM)
-
-/**********************************************************************
- * Module Parameters
- * (See ov511.txt for detailed descriptions of these)
- **********************************************************************/
-
-/* These variables (and all static globals) default to zero */
-static int autobright		= 1;
-static int autogain		= 1;
-static int autoexp		= 1;
-static int debug;
-static int snapshot;
-static int cams			= 1;
-static int compress;
-static int testpat;
-static int dumppix;
-static int led 			= 1;
-static int dump_bridge;
-static int dump_sensor;
-static int printph;
-static int phy			= 0x1f;
-static int phuv			= 0x05;
-static int pvy			= 0x06;
-static int pvuv			= 0x06;
-static int qhy			= 0x14;
-static int qhuv			= 0x03;
-static int qvy			= 0x04;
-static int qvuv			= 0x04;
-static int lightfreq;
-static int bandingfilter;
-static int clockdiv		= -1;
-static int packetsize		= -1;
-static int framedrop		= -1;
-static int fastset;
-static int force_palette;
-static int backlight;
-/* Bitmask marking allocated devices from 0 to OV511_MAX_UNIT_VIDEO */
-static unsigned long ov511_devused;
-static int unit_video[OV511_MAX_UNIT_VIDEO];
-static int remove_zeros;
-static int mirror;
-static int ov518_color;
-
-module_param(autobright, int, 0);
-MODULE_PARM_DESC(autobright, "Sensor automatically changes brightness");
-module_param(autogain, int, 0);
-MODULE_PARM_DESC(autogain, "Sensor automatically changes gain");
-module_param(autoexp, int, 0);
-MODULE_PARM_DESC(autoexp, "Sensor automatically changes exposure");
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug,
-  "Debug level: 0=none, 1=inits, 2=warning, 3=config, 4=functions, 5=max");
-module_param(snapshot, int, 0);
-MODULE_PARM_DESC(snapshot, "Enable snapshot mode");
-module_param(cams, int, 0);
-MODULE_PARM_DESC(cams, "Number of simultaneous cameras");
-module_param(compress, int, 0);
-MODULE_PARM_DESC(compress, "Turn on compression");
-module_param(testpat, int, 0);
-MODULE_PARM_DESC(testpat,
-  "Replace image with vertical bar testpattern (only partially working)");
-module_param(dumppix, int, 0);
-MODULE_PARM_DESC(dumppix, "Dump raw pixel data");
-module_param(led, int, 0);
-MODULE_PARM_DESC(led,
-  "LED policy (OV511+ or later). 0=off, 1=on (default), 2=auto (on when open)");
-module_param(dump_bridge, int, 0);
-MODULE_PARM_DESC(dump_bridge, "Dump the bridge registers");
-module_param(dump_sensor, int, 0);
-MODULE_PARM_DESC(dump_sensor, "Dump the sensor registers");
-module_param(printph, int, 0);
-MODULE_PARM_DESC(printph, "Print frame start/end headers");
-module_param(phy, int, 0);
-MODULE_PARM_DESC(phy, "Prediction range (horiz. Y)");
-module_param(phuv, int, 0);
-MODULE_PARM_DESC(phuv, "Prediction range (horiz. UV)");
-module_param(pvy, int, 0);
-MODULE_PARM_DESC(pvy, "Prediction range (vert. Y)");
-module_param(pvuv, int, 0);
-MODULE_PARM_DESC(pvuv, "Prediction range (vert. UV)");
-module_param(qhy, int, 0);
-MODULE_PARM_DESC(qhy, "Quantization threshold (horiz. Y)");
-module_param(qhuv, int, 0);
-MODULE_PARM_DESC(qhuv, "Quantization threshold (horiz. UV)");
-module_param(qvy, int, 0);
-MODULE_PARM_DESC(qvy, "Quantization threshold (vert. Y)");
-module_param(qvuv, int, 0);
-MODULE_PARM_DESC(qvuv, "Quantization threshold (vert. UV)");
-module_param(lightfreq, int, 0);
-MODULE_PARM_DESC(lightfreq,
-  "Light frequency. Set to 50 or 60 Hz, or zero for default settings");
-module_param(bandingfilter, int, 0);
-MODULE_PARM_DESC(bandingfilter,
-  "Enable banding filter (to reduce effects of fluorescent lighting)");
-module_param(clockdiv, int, 0);
-MODULE_PARM_DESC(clockdiv, "Force pixel clock divisor to a specific value");
-module_param(packetsize, int, 0);
-MODULE_PARM_DESC(packetsize, "Force a specific isoc packet size");
-module_param(framedrop, int, 0);
-MODULE_PARM_DESC(framedrop, "Force a specific frame drop register setting");
-module_param(fastset, int, 0);
-MODULE_PARM_DESC(fastset, "Allows picture settings to take effect immediately");
-module_param(force_palette, int, 0);
-MODULE_PARM_DESC(force_palette, "Force the palette to a specific value");
-module_param(backlight, int, 0);
-MODULE_PARM_DESC(backlight, "For objects that are lit from behind");
-static unsigned int num_uv;
-module_param_array(unit_video, int, &num_uv, 0);
-MODULE_PARM_DESC(unit_video,
-  "Force use of specific minor number(s). 0 is not allowed.");
-module_param(remove_zeros, int, 0);
-MODULE_PARM_DESC(remove_zeros,
-  "Remove zero-padding from uncompressed incoming data");
-module_param(mirror, int, 0);
-MODULE_PARM_DESC(mirror, "Reverse image horizontally");
-module_param(ov518_color, int, 0);
-MODULE_PARM_DESC(ov518_color, "Enable OV518 color (experimental)");
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
-
-/**********************************************************************
- * Miscellaneous Globals
- **********************************************************************/
-
-static struct usb_driver ov511_driver;
-
-/* Number of times to retry a failed I2C transaction. Increase this if you
- * are getting "Failed to read sensor ID..." */
-static const int i2c_detect_tries = 5;
-
-static struct usb_device_id device_table [] = {
-	{ USB_DEVICE(VEND_OMNIVISION, PROD_OV511) },
-	{ USB_DEVICE(VEND_OMNIVISION, PROD_OV511PLUS) },
-	{ USB_DEVICE(VEND_MATTEL, PROD_ME2CAM) },
-	{ }  /* Terminating entry */
-};
-
-MODULE_DEVICE_TABLE (usb, device_table);
-
-static unsigned char yQuanTable511[] = OV511_YQUANTABLE;
-static unsigned char uvQuanTable511[] = OV511_UVQUANTABLE;
-static unsigned char yQuanTable518[] = OV518_YQUANTABLE;
-static unsigned char uvQuanTable518[] = OV518_UVQUANTABLE;
-
-/**********************************************************************
- * Symbolic Names
- **********************************************************************/
-
-/* Known OV511-based cameras */
-static struct symbolic_list camlist[] = {
-	{   0, "Generic Camera (no ID)" },
-	{   1, "Mustek WCam 3X" },
-	{   3, "D-Link DSB-C300" },
-	{   4, "Generic OV511/OV7610" },
-	{   5, "Puretek PT-6007" },
-	{   6, "Lifeview USB Life TV (NTSC)" },
-	{  21, "Creative Labs WebCam 3" },
-	{  22, "Lifeview USB Life TV (PAL D/K+B/G)" },
-	{  36, "Koala-Cam" },
-	{  38, "Lifeview USB Life TV (PAL)" },
-	{  41, "Samsung Anycam MPC-M10" },
-	{  43, "Mtekvision Zeca MV402" },
-	{  46, "Suma eON" },
-	{  70, "Lifeview USB Life TV (PAL/SECAM)" },
-	{ 100, "Lifeview RoboCam" },
-	{ 102, "AverMedia InterCam Elite" },
-	{ 112, "MediaForte MV300" },	/* or OV7110 evaluation kit */
-	{ 134, "Ezonics EZCam II" },
-	{ 192, "Webeye 2000B" },
-	{ 253, "Alpha Vision Tech. AlphaCam SE" },
-	{  -1, NULL }
-};
-
-/* Video4Linux1 Palettes */
-static struct symbolic_list v4l1_plist[] = {
-	{ VIDEO_PALETTE_GREY,	"GREY" },
-	{ VIDEO_PALETTE_HI240,	"HI240" },
-	{ VIDEO_PALETTE_RGB565,	"RGB565" },
-	{ VIDEO_PALETTE_RGB24,	"RGB24" },
-	{ VIDEO_PALETTE_RGB32,	"RGB32" },
-	{ VIDEO_PALETTE_RGB555,	"RGB555" },
-	{ VIDEO_PALETTE_YUV422,	"YUV422" },
-	{ VIDEO_PALETTE_YUYV,	"YUYV" },
-	{ VIDEO_PALETTE_UYVY,	"UYVY" },
-	{ VIDEO_PALETTE_YUV420,	"YUV420" },
-	{ VIDEO_PALETTE_YUV411,	"YUV411" },
-	{ VIDEO_PALETTE_RAW,	"RAW" },
-	{ VIDEO_PALETTE_YUV422P,"YUV422P" },
-	{ VIDEO_PALETTE_YUV411P,"YUV411P" },
-	{ VIDEO_PALETTE_YUV420P,"YUV420P" },
-	{ VIDEO_PALETTE_YUV410P,"YUV410P" },
-	{ -1, NULL }
-};
-
-static struct symbolic_list brglist[] = {
-	{ BRG_OV511,		"OV511" },
-	{ BRG_OV511PLUS,	"OV511+" },
-	{ BRG_OV518,		"OV518" },
-	{ BRG_OV518PLUS,	"OV518+" },
-	{ -1, NULL }
-};
-
-static struct symbolic_list senlist[] = {
-	{ SEN_OV76BE,	"OV76BE" },
-	{ SEN_OV7610,	"OV7610" },
-	{ SEN_OV7620,	"OV7620" },
-	{ SEN_OV7620AE,	"OV7620AE" },
-	{ SEN_OV6620,	"OV6620" },
-	{ SEN_OV6630,	"OV6630" },
-	{ SEN_OV6630AE,	"OV6630AE" },
-	{ SEN_OV6630AF,	"OV6630AF" },
-	{ SEN_OV8600,	"OV8600" },
-	{ SEN_KS0127,	"KS0127" },
-	{ SEN_KS0127B,	"KS0127B" },
-	{ SEN_SAA7111A,	"SAA7111A" },
-	{ -1, NULL }
-};
-
-/* URB error codes: */
-static struct symbolic_list urb_errlist[] = {
-	{ -ENOSR,	"Buffer error (overrun)" },
-	{ -EPIPE,	"Stalled (device not responding)" },
-	{ -EOVERFLOW,	"Babble (device sends too much data)" },
-	{ -EPROTO,	"Bit-stuff error (bad cable?)" },
-	{ -EILSEQ,	"CRC/Timeout (bad cable?)" },
-	{ -ETIME,	"Device does not respond to token" },
-	{ -ETIMEDOUT,	"Device does not respond to command" },
-	{ -1, NULL }
-};
-
-/**********************************************************************
- * Memory management
- **********************************************************************/
-static void *
-rvmalloc(unsigned long size)
-{
-	void *mem;
-	unsigned long adr;
-
-	size = PAGE_ALIGN(size);
-	mem = vmalloc_32(size);
-	if (!mem)
-		return NULL;
-
-	memset(mem, 0, size); /* Clear the ram out, no junk to the user */
-	adr = (unsigned long) mem;
-	while (size > 0) {
-		SetPageReserved(vmalloc_to_page((void *)adr));
-		adr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-
-	return mem;
-}
-
-static void
-rvfree(void *mem, unsigned long size)
-{
-	unsigned long adr;
-
-	if (!mem)
-		return;
-
-	adr = (unsigned long) mem;
-	while ((long) size > 0) {
-		ClearPageReserved(vmalloc_to_page((void *)adr));
-		adr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-	vfree(mem);
-}
-
-/**********************************************************************
- *
- * Register I/O
- *
- **********************************************************************/
-
-/* Write an OV51x register */
-static int
-reg_w(struct usb_ov511 *ov, unsigned char reg, unsigned char value)
-{
-	int rc;
-
-	PDEBUG(5, "0x%02X:0x%02X", reg, value);
-
-	mutex_lock(&ov->cbuf_lock);
-	ov->cbuf[0] = value;
-	rc = usb_control_msg(ov->dev,
-			     usb_sndctrlpipe(ov->dev, 0),
-			     (ov->bclass == BCL_OV518)?1:2 /* REG_IO */,
-			     USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			     0, (__u16)reg, &ov->cbuf[0], 1, 1000);
-	mutex_unlock(&ov->cbuf_lock);
-
-	if (rc < 0)
-		err("reg write: error %d: %s", rc, symbolic(urb_errlist, rc));
-
-	return rc;
-}
-
-/* Read from an OV51x register */
-/* returns: negative is error, pos or zero is data */
-static int
-reg_r(struct usb_ov511 *ov, unsigned char reg)
-{
-	int rc;
-
-	mutex_lock(&ov->cbuf_lock);
-	rc = usb_control_msg(ov->dev,
-			     usb_rcvctrlpipe(ov->dev, 0),
-			     (ov->bclass == BCL_OV518)?1:3 /* REG_IO */,
-			     USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			     0, (__u16)reg, &ov->cbuf[0], 1, 1000);
-
-	if (rc < 0) {
-		err("reg read: error %d: %s", rc, symbolic(urb_errlist, rc));
-	} else {
-		rc = ov->cbuf[0];
-		PDEBUG(5, "0x%02X:0x%02X", reg, ov->cbuf[0]);
-	}
-
-	mutex_unlock(&ov->cbuf_lock);
-
-	return rc;
-}
-
-/*
- * Writes bits at positions specified by mask to an OV51x reg. Bits that are in
- * the same position as 1's in "mask" are cleared and set to "value". Bits
- * that are in the same position as 0's in "mask" are preserved, regardless
- * of their respective state in "value".
- */
-static int
-reg_w_mask(struct usb_ov511 *ov,
-	   unsigned char reg,
-	   unsigned char value,
-	   unsigned char mask)
-{
-	int ret;
-	unsigned char oldval, newval;
-
-	ret = reg_r(ov, reg);
-	if (ret < 0)
-		return ret;
-
-	oldval = (unsigned char) ret;
-	oldval &= (~mask);		/* Clear the masked bits */
-	value &= mask;			/* Enforce mask on value */
-	newval = oldval | value;	/* Set the desired bits */
-
-	return (reg_w(ov, reg, newval));
-}
-
-/*
- * Writes multiple (n) byte value to a single register. Only valid with certain
- * registers (0x30 and 0xc4 - 0xce).
- */
-static int
-ov518_reg_w32(struct usb_ov511 *ov, unsigned char reg, u32 val, int n)
-{
-	int rc;
-
-	PDEBUG(5, "0x%02X:%7d, n=%d", reg, val, n);
-
-	mutex_lock(&ov->cbuf_lock);
-
-	*((__le32 *)ov->cbuf) = __cpu_to_le32(val);
-
-	rc = usb_control_msg(ov->dev,
-			     usb_sndctrlpipe(ov->dev, 0),
-			     1 /* REG_IO */,
-			     USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			     0, (__u16)reg, ov->cbuf, n, 1000);
-	mutex_unlock(&ov->cbuf_lock);
-
-	if (rc < 0)
-		err("reg write multiple: error %d: %s", rc,
-		    symbolic(urb_errlist, rc));
-
-	return rc;
-}
-
-static int
-ov511_upload_quan_tables(struct usb_ov511 *ov)
-{
-	unsigned char *pYTable = yQuanTable511;
-	unsigned char *pUVTable = uvQuanTable511;
-	unsigned char val0, val1;
-	int i, rc, reg = R511_COMP_LUT_BEGIN;
-
-	PDEBUG(4, "Uploading quantization tables");
-
-	for (i = 0; i < OV511_QUANTABLESIZE / 2; i++) {
-		if (ENABLE_Y_QUANTABLE)	{
-			val0 = *pYTable++;
-			val1 = *pYTable++;
-			val0 &= 0x0f;
-			val1 &= 0x0f;
-			val0 |= val1 << 4;
-			rc = reg_w(ov, reg, val0);
-			if (rc < 0)
-				return rc;
-		}
-
-		if (ENABLE_UV_QUANTABLE) {
-			val0 = *pUVTable++;
-			val1 = *pUVTable++;
-			val0 &= 0x0f;
-			val1 &= 0x0f;
-			val0 |= val1 << 4;
-			rc = reg_w(ov, reg + OV511_QUANTABLESIZE/2, val0);
-			if (rc < 0)
-				return rc;
-		}
-
-		reg++;
-	}
-
-	return 0;
-}
-
-/* OV518 quantization tables are 8x4 (instead of 8x8) */
-static int
-ov518_upload_quan_tables(struct usb_ov511 *ov)
-{
-	unsigned char *pYTable = yQuanTable518;
-	unsigned char *pUVTable = uvQuanTable518;
-	unsigned char val0, val1;
-	int i, rc, reg = R511_COMP_LUT_BEGIN;
-
-	PDEBUG(4, "Uploading quantization tables");
-
-	for (i = 0; i < OV518_QUANTABLESIZE / 2; i++) {
-		if (ENABLE_Y_QUANTABLE) {
-			val0 = *pYTable++;
-			val1 = *pYTable++;
-			val0 &= 0x0f;
-			val1 &= 0x0f;
-			val0 |= val1 << 4;
-			rc = reg_w(ov, reg, val0);
-			if (rc < 0)
-				return rc;
-		}
-
-		if (ENABLE_UV_QUANTABLE) {
-			val0 = *pUVTable++;
-			val1 = *pUVTable++;
-			val0 &= 0x0f;
-			val1 &= 0x0f;
-			val0 |= val1 << 4;
-			rc = reg_w(ov, reg + OV518_QUANTABLESIZE/2, val0);
-			if (rc < 0)
-				return rc;
-		}
-
-		reg++;
-	}
-
-	return 0;
-}
-
-static int
-ov51x_reset(struct usb_ov511 *ov, unsigned char reset_type)
-{
-	int rc;
-
-	/* Setting bit 0 not allowed on 518/518Plus */
-	if (ov->bclass == BCL_OV518)
-		reset_type &= 0xfe;
-
-	PDEBUG(4, "Reset: type=0x%02X", reset_type);
-
-	rc = reg_w(ov, R51x_SYS_RESET, reset_type);
-	rc = reg_w(ov, R51x_SYS_RESET, 0);
-
-	if (rc < 0)
-		err("reset: command failed");
-
-	return rc;
-}
-
-/**********************************************************************
- *
- * Low-level I2C I/O functions
- *
- **********************************************************************/
-
-/* NOTE: Do not call this function directly!
- * The OV518 I2C I/O procedure is different, hence, this function.
- * This is normally only called from i2c_w(). Note that this function
- * always succeeds regardless of whether the sensor is present and working.
- */
-static int
-ov518_i2c_write_internal(struct usb_ov511 *ov,
-			 unsigned char reg,
-			 unsigned char value)
-{
-	int rc;
-
-	PDEBUG(5, "0x%02X:0x%02X", reg, value);
-
-	/* Select camera register */
-	rc = reg_w(ov, R51x_I2C_SADDR_3, reg);
-	if (rc < 0)
-		return rc;
-
-	/* Write "value" to I2C data port of OV511 */
-	rc = reg_w(ov, R51x_I2C_DATA, value);
-	if (rc < 0)
-		return rc;
-
-	/* Initiate 3-byte write cycle */
-	rc = reg_w(ov, R518_I2C_CTL, 0x01);
-	if (rc < 0)
-		return rc;
-
-	return 0;
-}
-
-/* NOTE: Do not call this function directly! */
-static int
-ov511_i2c_write_internal(struct usb_ov511 *ov,
-			 unsigned char reg,
-			 unsigned char value)
-{
-	int rc, retries;
-
-	PDEBUG(5, "0x%02X:0x%02X", reg, value);
-
-	/* Three byte write cycle */
-	for (retries = OV511_I2C_RETRIES; ; ) {
-		/* Select camera register */
-		rc = reg_w(ov, R51x_I2C_SADDR_3, reg);
-		if (rc < 0)
-			break;
-
-		/* Write "value" to I2C data port of OV511 */
-		rc = reg_w(ov, R51x_I2C_DATA, value);
-		if (rc < 0)
-			break;
-
-		/* Initiate 3-byte write cycle */
-		rc = reg_w(ov, R511_I2C_CTL, 0x01);
-		if (rc < 0)
-			break;
-
-		/* Retry until idle */
-		do {
-			rc = reg_r(ov, R511_I2C_CTL);
-		} while (rc > 0 && ((rc&1) == 0));
-		if (rc < 0)
-			break;
-
-		/* Ack? */
-		if ((rc&2) == 0) {
-			rc = 0;
-			break;
-		}
-#if 0
-		/* I2C abort */
-		reg_w(ov, R511_I2C_CTL, 0x10);
-#endif
-		if (--retries < 0) {
-			err("i2c write retries exhausted");
-			rc = -1;
-			break;
-		}
-	}
-
-	return rc;
-}
-
-/* NOTE: Do not call this function directly!
- * The OV518 I2C I/O procedure is different, hence, this function.
- * This is normally only called from i2c_r(). Note that this function
- * always succeeds regardless of whether the sensor is present and working.
- */
-static int
-ov518_i2c_read_internal(struct usb_ov511 *ov, unsigned char reg)
-{
-	int rc, value;
-
-	/* Select camera register */
-	rc = reg_w(ov, R51x_I2C_SADDR_2, reg);
-	if (rc < 0)
-		return rc;
-
-	/* Initiate 2-byte write cycle */
-	rc = reg_w(ov, R518_I2C_CTL, 0x03);
-	if (rc < 0)
-		return rc;
-
-	/* Initiate 2-byte read cycle */
-	rc = reg_w(ov, R518_I2C_CTL, 0x05);
-	if (rc < 0)
-		return rc;
-
-	value = reg_r(ov, R51x_I2C_DATA);
-
-	PDEBUG(5, "0x%02X:0x%02X", reg, value);
-
-	return value;
-}
-
-/* NOTE: Do not call this function directly!
- * returns: negative is error, pos or zero is data */
-static int
-ov511_i2c_read_internal(struct usb_ov511 *ov, unsigned char reg)
-{
-	int rc, value, retries;
-
-	/* Two byte write cycle */
-	for (retries = OV511_I2C_RETRIES; ; ) {
-		/* Select camera register */
-		rc = reg_w(ov, R51x_I2C_SADDR_2, reg);
-		if (rc < 0)
-			return rc;
-
-		/* Initiate 2-byte write cycle */
-		rc = reg_w(ov, R511_I2C_CTL, 0x03);
-		if (rc < 0)
-			return rc;
-
-		/* Retry until idle */
-		do {
-			rc = reg_r(ov, R511_I2C_CTL);
-		} while (rc > 0 && ((rc & 1) == 0));
-		if (rc < 0)
-			return rc;
-
-		if ((rc&2) == 0) /* Ack? */
-			break;
-
-		/* I2C abort */
-		reg_w(ov, R511_I2C_CTL, 0x10);
-
-		if (--retries < 0) {
-			err("i2c write retries exhausted");
-			return -1;
-		}
-	}
-
-	/* Two byte read cycle */
-	for (retries = OV511_I2C_RETRIES; ; ) {
-		/* Initiate 2-byte read cycle */
-		rc = reg_w(ov, R511_I2C_CTL, 0x05);
-		if (rc < 0)
-			return rc;
-
-		/* Retry until idle */
-		do {
-			rc = reg_r(ov, R511_I2C_CTL);
-		} while (rc > 0 && ((rc&1) == 0));
-		if (rc < 0)
-			return rc;
-
-		if ((rc&2) == 0) /* Ack? */
-			break;
-
-		/* I2C abort */
-		rc = reg_w(ov, R511_I2C_CTL, 0x10);
-		if (rc < 0)
-			return rc;
-
-		if (--retries < 0) {
-			err("i2c read retries exhausted");
-			return -1;
-		}
-	}
-
-	value = reg_r(ov, R51x_I2C_DATA);
-
-	PDEBUG(5, "0x%02X:0x%02X", reg, value);
-
-	/* This is needed to make i2c_w() work */
-	rc = reg_w(ov, R511_I2C_CTL, 0x05);
-	if (rc < 0)
-		return rc;
-
-	return value;
-}
-
-/* returns: negative is error, pos or zero is data */
-static int
-i2c_r(struct usb_ov511 *ov, unsigned char reg)
-{
-	int rc;
-
-	mutex_lock(&ov->i2c_lock);
-
-	if (ov->bclass == BCL_OV518)
-		rc = ov518_i2c_read_internal(ov, reg);
-	else
-		rc = ov511_i2c_read_internal(ov, reg);
-
-	mutex_unlock(&ov->i2c_lock);
-
-	return rc;
-}
-
-static int
-i2c_w(struct usb_ov511 *ov, unsigned char reg, unsigned char value)
-{
-	int rc;
-
-	mutex_lock(&ov->i2c_lock);
-
-	if (ov->bclass == BCL_OV518)
-		rc = ov518_i2c_write_internal(ov, reg, value);
-	else
-		rc = ov511_i2c_write_internal(ov, reg, value);
-
-	mutex_unlock(&ov->i2c_lock);
-
-	return rc;
-}
-
-/* Do not call this function directly! */
-static int
-ov51x_i2c_write_mask_internal(struct usb_ov511 *ov,
-			      unsigned char reg,
-			      unsigned char value,
-			      unsigned char mask)
-{
-	int rc;
-	unsigned char oldval, newval;
-
-	if (mask == 0xff) {
-		newval = value;
-	} else {
-		if (ov->bclass == BCL_OV518)
-			rc = ov518_i2c_read_internal(ov, reg);
-		else
-			rc = ov511_i2c_read_internal(ov, reg);
-		if (rc < 0)
-			return rc;
-
-		oldval = (unsigned char) rc;
-		oldval &= (~mask);		/* Clear the masked bits */
-		value &= mask;			/* Enforce mask on value */
-		newval = oldval | value;	/* Set the desired bits */
-	}
-
-	if (ov->bclass == BCL_OV518)
-		return (ov518_i2c_write_internal(ov, reg, newval));
-	else
-		return (ov511_i2c_write_internal(ov, reg, newval));
-}
-
-/* Writes bits at positions specified by mask to an I2C reg. Bits that are in
- * the same position as 1's in "mask" are cleared and set to "value". Bits
- * that are in the same position as 0's in "mask" are preserved, regardless
- * of their respective state in "value".
- */
-static int
-i2c_w_mask(struct usb_ov511 *ov,
-	   unsigned char reg,
-	   unsigned char value,
-	   unsigned char mask)
-{
-	int rc;
-
-	mutex_lock(&ov->i2c_lock);
-	rc = ov51x_i2c_write_mask_internal(ov, reg, value, mask);
-	mutex_unlock(&ov->i2c_lock);
-
-	return rc;
-}
-
-/* Set the read and write slave IDs. The "slave" argument is the write slave,
- * and the read slave will be set to (slave + 1). ov->i2c_lock should be held
- * when calling this. This should not be called from outside the i2c I/O
- * functions.
- */
-static int
-i2c_set_slave_internal(struct usb_ov511 *ov, unsigned char slave)
-{
-	int rc;
-
-	rc = reg_w(ov, R51x_I2C_W_SID, slave);
-	if (rc < 0)
-		return rc;
-
-	rc = reg_w(ov, R51x_I2C_R_SID, slave + 1);
-	if (rc < 0)
-		return rc;
-
-	return 0;
-}
-
-/* Write to a specific I2C slave ID and register, using the specified mask */
-static int
-i2c_w_slave(struct usb_ov511 *ov,
-	    unsigned char slave,
-	    unsigned char reg,
-	    unsigned char value,
-	    unsigned char mask)
-{
-	int rc = 0;
-
-	mutex_lock(&ov->i2c_lock);
-
-	/* Set new slave IDs */
-	rc = i2c_set_slave_internal(ov, slave);
-	if (rc < 0)
-		goto out;
-
-	rc = ov51x_i2c_write_mask_internal(ov, reg, value, mask);
-
-out:
-	/* Restore primary IDs */
-	if (i2c_set_slave_internal(ov, ov->primary_i2c_slave) < 0)
-		err("Couldn't restore primary I2C slave");
-
-	mutex_unlock(&ov->i2c_lock);
-	return rc;
-}
-
-/* Read from a specific I2C slave ID and register */
-static int
-i2c_r_slave(struct usb_ov511 *ov,
-	    unsigned char slave,
-	    unsigned char reg)
-{
-	int rc;
-
-	mutex_lock(&ov->i2c_lock);
-
-	/* Set new slave IDs */
-	rc = i2c_set_slave_internal(ov, slave);
-	if (rc < 0)
-		goto out;
-
-	if (ov->bclass == BCL_OV518)
-		rc = ov518_i2c_read_internal(ov, reg);
-	else
-		rc = ov511_i2c_read_internal(ov, reg);
-
-out:
-	/* Restore primary IDs */
-	if (i2c_set_slave_internal(ov, ov->primary_i2c_slave) < 0)
-		err("Couldn't restore primary I2C slave");
-
-	mutex_unlock(&ov->i2c_lock);
-	return rc;
-}
-
-/* Sets I2C read and write slave IDs. Returns <0 for error */
-static int
-ov51x_set_slave_ids(struct usb_ov511 *ov, unsigned char sid)
-{
-	int rc;
-
-	mutex_lock(&ov->i2c_lock);
-
-	rc = i2c_set_slave_internal(ov, sid);
-	if (rc < 0)
-		goto out;
-
-	// FIXME: Is this actually necessary?
-	rc = ov51x_reset(ov, OV511_RESET_NOREGS);
-out:
-	mutex_unlock(&ov->i2c_lock);
-	return rc;
-}
-
-static int
-write_regvals(struct usb_ov511 *ov, struct ov511_regvals * pRegvals)
-{
-	int rc;
-
-	while (pRegvals->bus != OV511_DONE_BUS) {
-		if (pRegvals->bus == OV511_REG_BUS) {
-			if ((rc = reg_w(ov, pRegvals->reg, pRegvals->val)) < 0)
-				return rc;
-		} else if (pRegvals->bus == OV511_I2C_BUS) {
-			if ((rc = i2c_w(ov, pRegvals->reg, pRegvals->val)) < 0)
-				return rc;
-		} else {
-			err("Bad regval array");
-			return -1;
-		}
-		pRegvals++;
-	}
-	return 0;
-}
-
-#ifdef OV511_DEBUG
-static void
-dump_i2c_range(struct usb_ov511 *ov, int reg1, int regn)
-{
-	int i, rc;
-
-	for (i = reg1; i <= regn; i++) {
-		rc = i2c_r(ov, i);
-		dev_info(&ov->dev->dev, "Sensor[0x%02X] = 0x%02X\n", i, rc);
-	}
-}
-
-static void
-dump_i2c_regs(struct usb_ov511 *ov)
-{
-	dev_info(&ov->dev->dev, "I2C REGS\n");
-	dump_i2c_range(ov, 0x00, 0x7C);
-}
-
-static void
-dump_reg_range(struct usb_ov511 *ov, int reg1, int regn)
-{
-	int i, rc;
-
-	for (i = reg1; i <= regn; i++) {
-		rc = reg_r(ov, i);
-		dev_info(&ov->dev->dev, "OV511[0x%02X] = 0x%02X\n", i, rc);
-	}
-}
-
-static void
-ov511_dump_regs(struct usb_ov511 *ov)
-{
-	dev_info(&ov->dev->dev, "CAMERA INTERFACE REGS\n");
-	dump_reg_range(ov, 0x10, 0x1f);
-	dev_info(&ov->dev->dev, "DRAM INTERFACE REGS\n");
-	dump_reg_range(ov, 0x20, 0x23);
-	dev_info(&ov->dev->dev, "ISO FIFO REGS\n");
-	dump_reg_range(ov, 0x30, 0x31);
-	dev_info(&ov->dev->dev, "PIO REGS\n");
-	dump_reg_range(ov, 0x38, 0x39);
-	dump_reg_range(ov, 0x3e, 0x3e);
-	dev_info(&ov->dev->dev, "I2C REGS\n");
-	dump_reg_range(ov, 0x40, 0x49);
-	dev_info(&ov->dev->dev, "SYSTEM CONTROL REGS\n");
-	dump_reg_range(ov, 0x50, 0x55);
-	dump_reg_range(ov, 0x5e, 0x5f);
-	dev_info(&ov->dev->dev, "OmniCE REGS\n");
-	dump_reg_range(ov, 0x70, 0x79);
-	/* NOTE: Quantization tables are not readable. You will get the value
-	 * in reg. 0x79 for every table register */
-	dump_reg_range(ov, 0x80, 0x9f);
-	dump_reg_range(ov, 0xa0, 0xbf);
-
-}
-
-static void
-ov518_dump_regs(struct usb_ov511 *ov)
-{
-	dev_info(&ov->dev->dev, "VIDEO MODE REGS\n");
-	dump_reg_range(ov, 0x20, 0x2f);
-	dev_info(&ov->dev->dev, "DATA PUMP AND SNAPSHOT REGS\n");
-	dump_reg_range(ov, 0x30, 0x3f);
-	dev_info(&ov->dev->dev, "I2C REGS\n");
-	dump_reg_range(ov, 0x40, 0x4f);
-	dev_info(&ov->dev->dev, "SYSTEM CONTROL AND VENDOR REGS\n");
-	dump_reg_range(ov, 0x50, 0x5f);
-	dev_info(&ov->dev->dev, "60 - 6F\n");
-	dump_reg_range(ov, 0x60, 0x6f);
-	dev_info(&ov->dev->dev, "70 - 7F\n");
-	dump_reg_range(ov, 0x70, 0x7f);
-	dev_info(&ov->dev->dev, "Y QUANTIZATION TABLE\n");
-	dump_reg_range(ov, 0x80, 0x8f);
-	dev_info(&ov->dev->dev, "UV QUANTIZATION TABLE\n");
-	dump_reg_range(ov, 0x90, 0x9f);
-	dev_info(&ov->dev->dev, "A0 - BF\n");
-	dump_reg_range(ov, 0xa0, 0xbf);
-	dev_info(&ov->dev->dev, "CBR\n");
-	dump_reg_range(ov, 0xc0, 0xcf);
-}
-#endif
-
-/*****************************************************************************/
-
-/* Temporarily stops OV511 from functioning. Must do this before changing
- * registers while the camera is streaming */
-static inline int
-ov51x_stop(struct usb_ov511 *ov)
-{
-	PDEBUG(4, "stopping");
-	ov->stopped = 1;
-	if (ov->bclass == BCL_OV518)
-		return (reg_w_mask(ov, R51x_SYS_RESET, 0x3a, 0x3a));
-	else
-		return (reg_w(ov, R51x_SYS_RESET, 0x3d));
-}
-
-/* Restarts OV511 after ov511_stop() is called. Has no effect if it is not
- * actually stopped (for performance). */
-static inline int
-ov51x_restart(struct usb_ov511 *ov)
-{
-	if (ov->stopped) {
-		PDEBUG(4, "restarting");
-		ov->stopped = 0;
-
-		/* Reinitialize the stream */
-		if (ov->bclass == BCL_OV518)
-			reg_w(ov, 0x2f, 0x80);
-
-		return (reg_w(ov, R51x_SYS_RESET, 0x00));
-	}
-
-	return 0;
-}
-
-/* Sleeps until no frames are active. Returns !0 if got signal */
-static int
-ov51x_wait_frames_inactive(struct usb_ov511 *ov)
-{
-	return wait_event_interruptible(ov->wq, ov->curframe < 0);
-}
-
-/* Resets the hardware snapshot button */
-static void
-ov51x_clear_snapshot(struct usb_ov511 *ov)
-{
-	if (ov->bclass == BCL_OV511) {
-		reg_w(ov, R51x_SYS_SNAP, 0x00);
-		reg_w(ov, R51x_SYS_SNAP, 0x02);
-		reg_w(ov, R51x_SYS_SNAP, 0x00);
-	} else if (ov->bclass == BCL_OV518) {
-		dev_warn(&ov->dev->dev,
-			 "snapshot reset not supported yet on OV518(+)\n");
-	} else {
-		dev_err(&ov->dev->dev, "clear snap: invalid bridge type\n");
-	}
-}
-
-#if 0
-/* Checks the status of the snapshot button. Returns 1 if it was pressed since
- * it was last cleared, and zero in all other cases (including errors) */
-static int
-ov51x_check_snapshot(struct usb_ov511 *ov)
-{
-	int ret, status = 0;
-
-	if (ov->bclass == BCL_OV511) {
-		ret = reg_r(ov, R51x_SYS_SNAP);
-		if (ret < 0) {
-			dev_err(&ov->dev->dev,
-				"Error checking snspshot status (%d)\n", ret);
-		} else if (ret & 0x08) {
-			status = 1;
-		}
-	} else if (ov->bclass == BCL_OV518) {
-		dev_warn(&ov->dev->dev,
-			 "snapshot check not supported yet on OV518(+)\n");
-	} else {
-		dev_err(&ov->dev->dev, "clear snap: invalid bridge type\n");
-	}
-
-	return status;
-}
-#endif
-
-/* This does an initial reset of an OmniVision sensor and ensures that I2C
- * is synchronized. Returns <0 for failure.
- */
-static int
-init_ov_sensor(struct usb_ov511 *ov)
-{
-	int i, success;
-
-	/* Reset the sensor */
-	if (i2c_w(ov, 0x12, 0x80) < 0)
-		return -EIO;
-
-	/* Wait for it to initialize */
-	msleep(150);
-
-	for (i = 0, success = 0; i < i2c_detect_tries && !success; i++) {
-		if ((i2c_r(ov, OV7610_REG_ID_HIGH) == 0x7F) &&
-		    (i2c_r(ov, OV7610_REG_ID_LOW) == 0xA2)) {
-			success = 1;
-			continue;
-		}
-
-		/* Reset the sensor */
-		if (i2c_w(ov, 0x12, 0x80) < 0)
-			return -EIO;
-		/* Wait for it to initialize */
-		msleep(150);
-		/* Dummy read to sync I2C */
-		if (i2c_r(ov, 0x00) < 0)
-			return -EIO;
-	}
-
-	if (!success)
-		return -EIO;
-
-	PDEBUG(1, "I2C synced in %d attempt(s)", i);
-
-	return 0;
-}
-
-static int
-ov511_set_packet_size(struct usb_ov511 *ov, int size)
-{
-	int alt, mult;
-
-	if (ov51x_stop(ov) < 0)
-		return -EIO;
-
-	mult = size >> 5;
-
-	if (ov->bridge == BRG_OV511) {
-		if (size == 0)
-			alt = OV511_ALT_SIZE_0;
-		else if (size == 257)
-			alt = OV511_ALT_SIZE_257;
-		else if (size == 513)
-			alt = OV511_ALT_SIZE_513;
-		else if (size == 769)
-			alt = OV511_ALT_SIZE_769;
-		else if (size == 993)
-			alt = OV511_ALT_SIZE_993;
-		else {
-			err("Set packet size: invalid size (%d)", size);
-			return -EINVAL;
-		}
-	} else if (ov->bridge == BRG_OV511PLUS) {
-		if (size == 0)
-			alt = OV511PLUS_ALT_SIZE_0;
-		else if (size == 33)
-			alt = OV511PLUS_ALT_SIZE_33;
-		else if (size == 129)
-			alt = OV511PLUS_ALT_SIZE_129;
-		else if (size == 257)
-			alt = OV511PLUS_ALT_SIZE_257;
-		else if (size == 385)
-			alt = OV511PLUS_ALT_SIZE_385;
-		else if (size == 513)
-			alt = OV511PLUS_ALT_SIZE_513;
-		else if (size == 769)
-			alt = OV511PLUS_ALT_SIZE_769;
-		else if (size == 961)
-			alt = OV511PLUS_ALT_SIZE_961;
-		else {
-			err("Set packet size: invalid size (%d)", size);
-			return -EINVAL;
-		}
-	} else {
-		err("Set packet size: Invalid bridge type");
-		return -EINVAL;
-	}
-
-	PDEBUG(3, "%d, mult=%d, alt=%d", size, mult, alt);
-
-	if (reg_w(ov, R51x_FIFO_PSIZE, mult) < 0)
-		return -EIO;
-
-	if (usb_set_interface(ov->dev, ov->iface, alt) < 0) {
-		err("Set packet size: set interface error");
-		return -EBUSY;
-	}
-
-	if (ov51x_reset(ov, OV511_RESET_NOREGS) < 0)
-		return -EIO;
-
-	ov->packet_size = size;
-
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return 0;
-}
-
-/* Note: Unlike the OV511/OV511+, the size argument does NOT include the
- * optional packet number byte. The actual size *is* stored in ov->packet_size,
- * though. */
-static int
-ov518_set_packet_size(struct usb_ov511 *ov, int size)
-{
-	int alt;
-
-	if (ov51x_stop(ov) < 0)
-		return -EIO;
-
-	if (ov->bclass == BCL_OV518) {
-		if (size == 0)
-			alt = OV518_ALT_SIZE_0;
-		else if (size == 128)
-			alt = OV518_ALT_SIZE_128;
-		else if (size == 256)
-			alt = OV518_ALT_SIZE_256;
-		else if (size == 384)
-			alt = OV518_ALT_SIZE_384;
-		else if (size == 512)
-			alt = OV518_ALT_SIZE_512;
-		else if (size == 640)
-			alt = OV518_ALT_SIZE_640;
-		else if (size == 768)
-			alt = OV518_ALT_SIZE_768;
-		else if (size == 896)
-			alt = OV518_ALT_SIZE_896;
-		else {
-			err("Set packet size: invalid size (%d)", size);
-			return -EINVAL;
-		}
-	} else {
-		err("Set packet size: Invalid bridge type");
-		return -EINVAL;
-	}
-
-	PDEBUG(3, "%d, alt=%d", size, alt);
-
-	ov->packet_size = size;
-	if (size > 0) {
-		/* Program ISO FIFO size reg (packet number isn't included) */
-		ov518_reg_w32(ov, 0x30, size, 2);
-
-		if (ov->packet_numbering)
-			++ov->packet_size;
-	}
-
-	if (usb_set_interface(ov->dev, ov->iface, alt) < 0) {
-		err("Set packet size: set interface error");
-		return -EBUSY;
-	}
-
-	/* Initialize the stream */
-	if (reg_w(ov, 0x2f, 0x80) < 0)
-		return -EIO;
-
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	if (ov51x_reset(ov, OV511_RESET_NOREGS) < 0)
-		return -EIO;
-
-	return 0;
-}
-
-/* Upload compression params and quantization tables. Returns 0 for success. */
-static int
-ov511_init_compression(struct usb_ov511 *ov)
-{
-	int rc = 0;
-
-	if (!ov->compress_inited) {
-		reg_w(ov, 0x70, phy);
-		reg_w(ov, 0x71, phuv);
-		reg_w(ov, 0x72, pvy);
-		reg_w(ov, 0x73, pvuv);
-		reg_w(ov, 0x74, qhy);
-		reg_w(ov, 0x75, qhuv);
-		reg_w(ov, 0x76, qvy);
-		reg_w(ov, 0x77, qvuv);
-
-		if (ov511_upload_quan_tables(ov) < 0) {
-			err("Error uploading quantization tables");
-			rc = -EIO;
-			goto out;
-		}
-	}
-
-	ov->compress_inited = 1;
-out:
-	return rc;
-}
-
-/* Upload compression params and quantization tables. Returns 0 for success. */
-static int
-ov518_init_compression(struct usb_ov511 *ov)
-{
-	int rc = 0;
-
-	if (!ov->compress_inited) {
-		if (ov518_upload_quan_tables(ov) < 0) {
-			err("Error uploading quantization tables");
-			rc = -EIO;
-			goto out;
-		}
-	}
-
-	ov->compress_inited = 1;
-out:
-	return rc;
-}
-
-/* -------------------------------------------------------------------------- */
-
-/* Sets sensor's contrast setting to "val" */
-static int
-sensor_set_contrast(struct usb_ov511 *ov, unsigned short val)
-{
-	int rc;
-
-	PDEBUG(3, "%d", val);
-
-	if (ov->stop_during_set)
-		if (ov51x_stop(ov) < 0)
-			return -EIO;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV6620:
-	{
-		rc = i2c_w(ov, OV7610_REG_CNT, val >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	}
-	case SEN_OV6630:
-	{
-		rc = i2c_w_mask(ov, OV7610_REG_CNT, val >> 12, 0x0f);
-		if (rc < 0)
-			goto out;
-		break;
-	}
-	case SEN_OV7620:
-	{
-		unsigned char ctab[] = {
-			0x01, 0x05, 0x09, 0x11, 0x15, 0x35, 0x37, 0x57,
-			0x5b, 0xa5, 0xa7, 0xc7, 0xc9, 0xcf, 0xef, 0xff
-		};
-
-		/* Use Y gamma control instead. Bit 0 enables it. */
-		rc = i2c_w(ov, 0x64, ctab[val>>12]);
-		if (rc < 0)
-			goto out;
-		break;
-	}
-	case SEN_SAA7111A:
-	{
-		rc = i2c_w(ov, 0x0b, val >> 9);
-		if (rc < 0)
-			goto out;
-		break;
-	}
-	default:
-	{
-		PDEBUG(3, "Unsupported with this sensor");
-		rc = -EPERM;
-		goto out;
-	}
-	}
-
-	rc = 0;		/* Success */
-	ov->contrast = val;
-out:
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return rc;
-}
-
-/* Gets sensor's contrast setting */
-static int
-sensor_get_contrast(struct usb_ov511 *ov, unsigned short *val)
-{
-	int rc;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV6620:
-		rc = i2c_r(ov, OV7610_REG_CNT);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 8;
-		break;
-	case SEN_OV6630:
-		rc = i2c_r(ov, OV7610_REG_CNT);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 12;
-		break;
-	case SEN_OV7620:
-		/* Use Y gamma reg instead. Bit 0 is the enable bit. */
-		rc = i2c_r(ov, 0x64);
-		if (rc < 0)
-			return rc;
-		else
-			*val = (rc & 0xfe) << 8;
-		break;
-	case SEN_SAA7111A:
-		*val = ov->contrast;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		return -EPERM;
-	}
-
-	PDEBUG(3, "%d", *val);
-	ov->contrast = *val;
-
-	return 0;
-}
-
-/* -------------------------------------------------------------------------- */
-
-/* Sets sensor's brightness setting to "val" */
-static int
-sensor_set_brightness(struct usb_ov511 *ov, unsigned short val)
-{
-	int rc;
-
-	PDEBUG(4, "%d", val);
-
-	if (ov->stop_during_set)
-		if (ov51x_stop(ov) < 0)
-			return -EIO;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV76BE:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = i2c_w(ov, OV7610_REG_BRT, val >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	case SEN_OV7620:
-		/* 7620 doesn't like manual changes when in auto mode */
-		if (!ov->auto_brt) {
-			rc = i2c_w(ov, OV7610_REG_BRT, val >> 8);
-			if (rc < 0)
-				goto out;
-		}
-		break;
-	case SEN_SAA7111A:
-		rc = i2c_w(ov, 0x0a, val >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		rc = -EPERM;
-		goto out;
-	}
-
-	rc = 0;		/* Success */
-	ov->brightness = val;
-out:
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return rc;
-}
-
-/* Gets sensor's brightness setting */
-static int
-sensor_get_brightness(struct usb_ov511 *ov, unsigned short *val)
-{
-	int rc;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV76BE:
-	case SEN_OV7620:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = i2c_r(ov, OV7610_REG_BRT);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 8;
-		break;
-	case SEN_SAA7111A:
-		*val = ov->brightness;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		return -EPERM;
-	}
-
-	PDEBUG(3, "%d", *val);
-	ov->brightness = *val;
-
-	return 0;
-}
-
-/* -------------------------------------------------------------------------- */
-
-/* Sets sensor's saturation (color intensity) setting to "val" */
-static int
-sensor_set_saturation(struct usb_ov511 *ov, unsigned short val)
-{
-	int rc;
-
-	PDEBUG(3, "%d", val);
-
-	if (ov->stop_during_set)
-		if (ov51x_stop(ov) < 0)
-			return -EIO;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV76BE:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = i2c_w(ov, OV7610_REG_SAT, val >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	case SEN_OV7620:
-//		/* Use UV gamma control instead. Bits 0 & 7 are reserved. */
-//		rc = ov_i2c_write(ov->dev, 0x62, (val >> 9) & 0x7e);
-//		if (rc < 0)
-//			goto out;
-		rc = i2c_w(ov, OV7610_REG_SAT, val >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	case SEN_SAA7111A:
-		rc = i2c_w(ov, 0x0c, val >> 9);
-		if (rc < 0)
-			goto out;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		rc = -EPERM;
-		goto out;
-	}
-
-	rc = 0;		/* Success */
-	ov->colour = val;
-out:
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return rc;
-}
-
-/* Gets sensor's saturation (color intensity) setting */
-static int
-sensor_get_saturation(struct usb_ov511 *ov, unsigned short *val)
-{
-	int rc;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV76BE:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = i2c_r(ov, OV7610_REG_SAT);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 8;
-		break;
-	case SEN_OV7620:
-//		/* Use UV gamma reg instead. Bits 0 & 7 are reserved. */
-//		rc = i2c_r(ov, 0x62);
-//		if (rc < 0)
-//			return rc;
-//		else
-//			*val = (rc & 0x7e) << 9;
-		rc = i2c_r(ov, OV7610_REG_SAT);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 8;
-		break;
-	case SEN_SAA7111A:
-		*val = ov->colour;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		return -EPERM;
-	}
-
-	PDEBUG(3, "%d", *val);
-	ov->colour = *val;
-
-	return 0;
-}
-
-/* -------------------------------------------------------------------------- */
-
-/* Sets sensor's hue (red/blue balance) setting to "val" */
-static int
-sensor_set_hue(struct usb_ov511 *ov, unsigned short val)
-{
-	int rc;
-
-	PDEBUG(3, "%d", val);
-
-	if (ov->stop_during_set)
-		if (ov51x_stop(ov) < 0)
-			return -EIO;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = i2c_w(ov, OV7610_REG_RED, 0xFF - (val >> 8));
-		if (rc < 0)
-			goto out;
-
-		rc = i2c_w(ov, OV7610_REG_BLUE, val >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	case SEN_OV7620:
-// Hue control is causing problems. I will enable it once it's fixed.
-#if 0
-		rc = i2c_w(ov, 0x7a, (unsigned char)(val >> 8) + 0xb);
-		if (rc < 0)
-			goto out;
-
-		rc = i2c_w(ov, 0x79, (unsigned char)(val >> 8) + 0xb);
-		if (rc < 0)
-			goto out;
-#endif
-		break;
-	case SEN_SAA7111A:
-		rc = i2c_w(ov, 0x0d, (val + 32768) >> 8);
-		if (rc < 0)
-			goto out;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		rc = -EPERM;
-		goto out;
-	}
-
-	rc = 0;		/* Success */
-	ov->hue = val;
-out:
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return rc;
-}
-
-/* Gets sensor's hue (red/blue balance) setting */
-static int
-sensor_get_hue(struct usb_ov511 *ov, unsigned short *val)
-{
-	int rc;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = i2c_r(ov, OV7610_REG_BLUE);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 8;
-		break;
-	case SEN_OV7620:
-		rc = i2c_r(ov, 0x7a);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc << 8;
-		break;
-	case SEN_SAA7111A:
-		*val = ov->hue;
-		break;
-	default:
-		PDEBUG(3, "Unsupported with this sensor");
-		return -EPERM;
-	}
-
-	PDEBUG(3, "%d", *val);
-	ov->hue = *val;
-
-	return 0;
-}
-
-/* -------------------------------------------------------------------------- */
-
-static int
-sensor_set_picture(struct usb_ov511 *ov, struct video_picture *p)
-{
-	int rc;
-
-	PDEBUG(4, "sensor_set_picture");
-
-	ov->whiteness = p->whiteness;
-
-	/* Don't return error if a setting is unsupported, or rest of settings
-	 * will not be performed */
-
-	rc = sensor_set_contrast(ov, p->contrast);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_set_brightness(ov, p->brightness);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_set_saturation(ov, p->colour);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_set_hue(ov, p->hue);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	return 0;
-}
-
-static int
-sensor_get_picture(struct usb_ov511 *ov, struct video_picture *p)
-{
-	int rc;
-
-	PDEBUG(4, "sensor_get_picture");
-
-	/* Don't return error if a setting is unsupported, or rest of settings
-	 * will not be performed */
-
-	rc = sensor_get_contrast(ov, &(p->contrast));
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_get_brightness(ov, &(p->brightness));
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_get_saturation(ov, &(p->colour));
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_get_hue(ov, &(p->hue));
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	p->whiteness = 105 << 8;
-
-	return 0;
-}
-
-#if 0
-// FIXME: Exposure range is only 0x00-0x7f in interlace mode
-/* Sets current exposure for sensor. This only has an effect if auto-exposure
- * is off */
-static inline int
-sensor_set_exposure(struct usb_ov511 *ov, unsigned char val)
-{
-	int rc;
-
-	PDEBUG(3, "%d", val);
-
-	if (ov->stop_during_set)
-		if (ov51x_stop(ov) < 0)
-			return -EIO;
-
-	switch (ov->sensor) {
-	case SEN_OV6620:
-	case SEN_OV6630:
-	case SEN_OV7610:
-	case SEN_OV7620:
-	case SEN_OV76BE:
-	case SEN_OV8600:
-		rc = i2c_w(ov, 0x10, val);
-		if (rc < 0)
-			goto out;
-
-		break;
-	case SEN_KS0127:
-	case SEN_KS0127B:
-	case SEN_SAA7111A:
-		PDEBUG(3, "Unsupported with this sensor");
-		return -EPERM;
-	default:
-		err("Sensor not supported for set_exposure");
-		return -EINVAL;
-	}
-
-	rc = 0;		/* Success */
-	ov->exposure = val;
-out:
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return rc;
-}
-#endif
-
-/* Gets current exposure level from sensor, regardless of whether it is under
- * manual control. */
-static int
-sensor_get_exposure(struct usb_ov511 *ov, unsigned char *val)
-{
-	int rc;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV6620:
-	case SEN_OV6630:
-	case SEN_OV7620:
-	case SEN_OV76BE:
-	case SEN_OV8600:
-		rc = i2c_r(ov, 0x10);
-		if (rc < 0)
-			return rc;
-		else
-			*val = rc;
-		break;
-	case SEN_KS0127:
-	case SEN_KS0127B:
-	case SEN_SAA7111A:
-		val = NULL;
-		PDEBUG(3, "Unsupported with this sensor");
-		return -EPERM;
-	default:
-		err("Sensor not supported for get_exposure");
-		return -EINVAL;
-	}
-
-	PDEBUG(3, "%d", *val);
-	ov->exposure = *val;
-
-	return 0;
-}
-
-/* Turns on or off the LED. Only has an effect with OV511+/OV518(+) */
-static void
-ov51x_led_control(struct usb_ov511 *ov, int enable)
-{
-	PDEBUG(4, " (%s)", enable ? "turn on" : "turn off");
-
-	if (ov->bridge == BRG_OV511PLUS)
-		reg_w(ov, R511_SYS_LED_CTL, enable ? 1 : 0);
-	else if (ov->bclass == BCL_OV518)
-		reg_w_mask(ov, R518_GPIO_OUT, enable ? 0x02 : 0x00, 0x02);
-
-	return;
-}
-
-/* Matches the sensor's internal frame rate to the lighting frequency.
- * Valid frequencies are:
- *	50 - 50Hz, for European and Asian lighting
- *	60 - 60Hz, for American lighting
- *
- * Tested with: OV7610, OV7620, OV76BE, OV6620
- * Unsupported: KS0127, KS0127B, SAA7111A
- * Returns: 0 for success
- */
-static int
-sensor_set_light_freq(struct usb_ov511 *ov, int freq)
-{
-	int sixty;
-
-	PDEBUG(4, "%d Hz", freq);
-
-	if (freq == 60)
-		sixty = 1;
-	else if (freq == 50)
-		sixty = 0;
-	else {
-		err("Invalid light freq (%d Hz)", freq);
-		return -EINVAL;
-	}
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-		i2c_w_mask(ov, 0x2a, sixty?0x00:0x80, 0x80);
-		i2c_w(ov, 0x2b, sixty?0x00:0xac);
-		i2c_w_mask(ov, 0x13, 0x10, 0x10);
-		i2c_w_mask(ov, 0x13, 0x00, 0x10);
-		break;
-	case SEN_OV7620:
-	case SEN_OV76BE:
-	case SEN_OV8600:
-		i2c_w_mask(ov, 0x2a, sixty?0x00:0x80, 0x80);
-		i2c_w(ov, 0x2b, sixty?0x00:0xac);
-		i2c_w_mask(ov, 0x76, 0x01, 0x01);
-		break;
-	case SEN_OV6620:
-	case SEN_OV6630:
-		i2c_w(ov, 0x2b, sixty?0xa8:0x28);
-		i2c_w(ov, 0x2a, sixty?0x84:0xa4);
-		break;
-	case SEN_KS0127:
-	case SEN_KS0127B:
-	case SEN_SAA7111A:
-		PDEBUG(5, "Unsupported with this sensor");
-		return -EPERM;
-	default:
-		err("Sensor not supported for set_light_freq");
-		return -EINVAL;
-	}
-
-	ov->lightfreq = freq;
-
-	return 0;
-}
-
-/* If enable is true, turn on the sensor's banding filter, otherwise turn it
- * off. This filter tries to reduce the pattern of horizontal light/dark bands
- * caused by some (usually fluorescent) lighting. The light frequency must be
- * set either before or after enabling it with ov51x_set_light_freq().
- *
- * Tested with: OV7610, OV7620, OV76BE, OV6620.
- * Unsupported: KS0127, KS0127B, SAA7111A
- * Returns: 0 for success
- */
-static int
-sensor_set_banding_filter(struct usb_ov511 *ov, int enable)
-{
-	int rc;
-
-	PDEBUG(4, " (%s)", enable ? "turn on" : "turn off");
-
-	if (ov->sensor == SEN_KS0127 || ov->sensor == SEN_KS0127B
-		|| ov->sensor == SEN_SAA7111A) {
-		PDEBUG(5, "Unsupported with this sensor");
-		return -EPERM;
-	}
-
-	rc = i2c_w_mask(ov, 0x2d, enable?0x04:0x00, 0x04);
-	if (rc < 0)
-		return rc;
-
-	ov->bandfilt = enable;
-
-	return 0;
-}
-
-/* If enable is true, turn on the sensor's auto brightness control, otherwise
- * turn it off.
- *
- * Unsupported: KS0127, KS0127B, SAA7111A
- * Returns: 0 for success
- */
-static int
-sensor_set_auto_brightness(struct usb_ov511 *ov, int enable)
-{
-	int rc;
-
-	PDEBUG(4, " (%s)", enable ? "turn on" : "turn off");
-
-	if (ov->sensor == SEN_KS0127 || ov->sensor == SEN_KS0127B
-		|| ov->sensor == SEN_SAA7111A) {
-		PDEBUG(5, "Unsupported with this sensor");
-		return -EPERM;
-	}
-
-	rc = i2c_w_mask(ov, 0x2d, enable?0x10:0x00, 0x10);
-	if (rc < 0)
-		return rc;
-
-	ov->auto_brt = enable;
-
-	return 0;
-}
-
-/* If enable is true, turn on the sensor's auto exposure control, otherwise
- * turn it off.
- *
- * Unsupported: KS0127, KS0127B, SAA7111A
- * Returns: 0 for success
- */
-static int
-sensor_set_auto_exposure(struct usb_ov511 *ov, int enable)
-{
-	PDEBUG(4, " (%s)", enable ? "turn on" : "turn off");
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-		i2c_w_mask(ov, 0x29, enable?0x00:0x80, 0x80);
-		break;
-	case SEN_OV6620:
-	case SEN_OV7620:
-	case SEN_OV76BE:
-	case SEN_OV8600:
-		i2c_w_mask(ov, 0x13, enable?0x01:0x00, 0x01);
-		break;
-	case SEN_OV6630:
-		i2c_w_mask(ov, 0x28, enable?0x00:0x10, 0x10);
-		break;
-	case SEN_KS0127:
-	case SEN_KS0127B:
-	case SEN_SAA7111A:
-		PDEBUG(5, "Unsupported with this sensor");
-		return -EPERM;
-	default:
-		err("Sensor not supported for set_auto_exposure");
-		return -EINVAL;
-	}
-
-	ov->auto_exp = enable;
-
-	return 0;
-}
-
-/* Modifies the sensor's exposure algorithm to allow proper exposure of objects
- * that are illuminated from behind.
- *
- * Tested with: OV6620, OV7620
- * Unsupported: OV7610, OV76BE, KS0127, KS0127B, SAA7111A
- * Returns: 0 for success
- */
-static int
-sensor_set_backlight(struct usb_ov511 *ov, int enable)
-{
-	PDEBUG(4, " (%s)", enable ? "turn on" : "turn off");
-
-	switch (ov->sensor) {
-	case SEN_OV7620:
-	case SEN_OV8600:
-		i2c_w_mask(ov, 0x68, enable?0xe0:0xc0, 0xe0);
-		i2c_w_mask(ov, 0x29, enable?0x08:0x00, 0x08);
-		i2c_w_mask(ov, 0x28, enable?0x02:0x00, 0x02);
-		break;
-	case SEN_OV6620:
-		i2c_w_mask(ov, 0x4e, enable?0xe0:0xc0, 0xe0);
-		i2c_w_mask(ov, 0x29, enable?0x08:0x00, 0x08);
-		i2c_w_mask(ov, 0x0e, enable?0x80:0x00, 0x80);
-		break;
-	case SEN_OV6630:
-		i2c_w_mask(ov, 0x4e, enable?0x80:0x60, 0xe0);
-		i2c_w_mask(ov, 0x29, enable?0x08:0x00, 0x08);
-		i2c_w_mask(ov, 0x28, enable?0x02:0x00, 0x02);
-		break;
-	case SEN_OV7610:
-	case SEN_OV76BE:
-	case SEN_KS0127:
-	case SEN_KS0127B:
-	case SEN_SAA7111A:
-		PDEBUG(5, "Unsupported with this sensor");
-		return -EPERM;
-	default:
-		err("Sensor not supported for set_backlight");
-		return -EINVAL;
-	}
-
-	ov->backlight = enable;
-
-	return 0;
-}
-
-static int
-sensor_set_mirror(struct usb_ov511 *ov, int enable)
-{
-	PDEBUG(4, " (%s)", enable ? "turn on" : "turn off");
-
-	switch (ov->sensor) {
-	case SEN_OV6620:
-	case SEN_OV6630:
-	case SEN_OV7610:
-	case SEN_OV7620:
-	case SEN_OV76BE:
-	case SEN_OV8600:
-		i2c_w_mask(ov, 0x12, enable?0x40:0x00, 0x40);
-		break;
-	case SEN_KS0127:
-	case SEN_KS0127B:
-	case SEN_SAA7111A:
-		PDEBUG(5, "Unsupported with this sensor");
-		return -EPERM;
-	default:
-		err("Sensor not supported for set_mirror");
-		return -EINVAL;
-	}
-
-	ov->mirror = enable;
-
-	return 0;
-}
-
-/* Returns number of bits per pixel (regardless of where they are located;
- * planar or not), or zero for unsupported format.
- */
-static inline int
-get_depth(int palette)
-{
-	switch (palette) {
-	case VIDEO_PALETTE_GREY:    return 8;
-	case VIDEO_PALETTE_YUV420:  return 12;
-	case VIDEO_PALETTE_YUV420P: return 12; /* Planar */
-	default:		    return 0;  /* Invalid format */
-	}
-}
-
-/* Bytes per frame. Used by read(). Return of 0 indicates error */
-static inline long int
-get_frame_length(struct ov511_frame *frame)
-{
-	if (!frame)
-		return 0;
-	else
-		return ((frame->width * frame->height
-			 * get_depth(frame->format)) >> 3);
-}
-
-static int
-mode_init_ov_sensor_regs(struct usb_ov511 *ov, int width, int height,
-			 int mode, int sub_flag, int qvga)
-{
-	int clock;
-
-	/******** Mode (VGA/QVGA) and sensor specific regs ********/
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-		i2c_w(ov, 0x14, qvga?0x24:0x04);
-// FIXME: Does this improve the image quality or frame rate?
-#if 0
-		i2c_w_mask(ov, 0x28, qvga?0x00:0x20, 0x20);
-		i2c_w(ov, 0x24, 0x10);
-		i2c_w(ov, 0x25, qvga?0x40:0x8a);
-		i2c_w(ov, 0x2f, qvga?0x30:0xb0);
-		i2c_w(ov, 0x35, qvga?0x1c:0x9c);
-#endif
-		break;
-	case SEN_OV7620:
-//		i2c_w(ov, 0x2b, 0x00);
-		i2c_w(ov, 0x14, qvga?0xa4:0x84);
-		i2c_w_mask(ov, 0x28, qvga?0x00:0x20, 0x20);
-		i2c_w(ov, 0x24, qvga?0x20:0x3a);
-		i2c_w(ov, 0x25, qvga?0x30:0x60);
-		i2c_w_mask(ov, 0x2d, qvga?0x40:0x00, 0x40);
-		i2c_w_mask(ov, 0x67, qvga?0xf0:0x90, 0xf0);
-		i2c_w_mask(ov, 0x74, qvga?0x20:0x00, 0x20);
-		break;
-	case SEN_OV76BE:
-//		i2c_w(ov, 0x2b, 0x00);
-		i2c_w(ov, 0x14, qvga?0xa4:0x84);
-// FIXME: Enable this once 7620AE uses 7620 initial settings
-#if 0
-		i2c_w_mask(ov, 0x28, qvga?0x00:0x20, 0x20);
-		i2c_w(ov, 0x24, qvga?0x20:0x3a);
-		i2c_w(ov, 0x25, qvga?0x30:0x60);
-		i2c_w_mask(ov, 0x2d, qvga?0x40:0x00, 0x40);
-		i2c_w_mask(ov, 0x67, qvga?0xb0:0x90, 0xf0);
-		i2c_w_mask(ov, 0x74, qvga?0x20:0x00, 0x20);
-#endif
-		break;
-	case SEN_OV6620:
-		i2c_w(ov, 0x14, qvga?0x24:0x04);
-		break;
-	case SEN_OV6630:
-		i2c_w(ov, 0x14, qvga?0xa0:0x80);
-		break;
-	default:
-		err("Invalid sensor");
-		return -EINVAL;
-	}
-
-	/******** Palette-specific regs ********/
-
-	if (mode == VIDEO_PALETTE_GREY) {
-		if (ov->sensor == SEN_OV7610 || ov->sensor == SEN_OV76BE) {
-			/* these aren't valid on the OV6620/OV7620/6630? */
-			i2c_w_mask(ov, 0x0e, 0x40, 0x40);
-		}
-
-		if (ov->sensor == SEN_OV6630 && ov->bridge == BRG_OV518
-		    && ov518_color) {
-			i2c_w_mask(ov, 0x12, 0x00, 0x10);
-			i2c_w_mask(ov, 0x13, 0x00, 0x20);
-		} else {
-			i2c_w_mask(ov, 0x13, 0x20, 0x20);
-		}
-	} else {
-		if (ov->sensor == SEN_OV7610 || ov->sensor == SEN_OV76BE) {
-			/* not valid on the OV6620/OV7620/6630? */
-			i2c_w_mask(ov, 0x0e, 0x00, 0x40);
-		}
-
-		/* The OV518 needs special treatment. Although both the OV518
-		 * and the OV6630 support a 16-bit video bus, only the 8 bit Y
-		 * bus is actually used. The UV bus is tied to ground.
-		 * Therefore, the OV6630 needs to be in 8-bit multiplexed
-		 * output mode */
-
-		if (ov->sensor == SEN_OV6630 && ov->bridge == BRG_OV518
-		    && ov518_color) {
-			i2c_w_mask(ov, 0x12, 0x10, 0x10);
-			i2c_w_mask(ov, 0x13, 0x20, 0x20);
-		} else {
-			i2c_w_mask(ov, 0x13, 0x00, 0x20);
-		}
-	}
-
-	/******** Clock programming ********/
-
-	/* The OV6620 needs special handling. This prevents the
-	 * severe banding that normally occurs */
-	if (ov->sensor == SEN_OV6620 || ov->sensor == SEN_OV6630)
-	{
-		/* Clock down */
-
-		i2c_w(ov, 0x2a, 0x04);
-
-		if (ov->compress) {
-//			clock = 0;    /* This ensures the highest frame rate */
-			clock = 3;
-		} else if (clockdiv == -1) {   /* If user didn't override it */
-			clock = 3;    /* Gives better exposure time */
-		} else {
-			clock = clockdiv;
-		}
-
-		PDEBUG(4, "Setting clock divisor to %d", clock);
-
-		i2c_w(ov, 0x11, clock);
-
-		i2c_w(ov, 0x2a, 0x84);
-		/* This next setting is critical. It seems to improve
-		 * the gain or the contrast. The "reserved" bits seem
-		 * to have some effect in this case. */
-		i2c_w(ov, 0x2d, 0x85);
-	}
-	else
-	{
-		if (ov->compress) {
-			clock = 1;    /* This ensures the highest frame rate */
-		} else if (clockdiv == -1) {   /* If user didn't override it */
-			/* Calculate and set the clock divisor */
-			clock = ((sub_flag ? ov->subw * ov->subh
-				  : width * height)
-				 * (mode == VIDEO_PALETTE_GREY ? 2 : 3) / 2)
-				 / 66000;
-		} else {
-			clock = clockdiv;
-		}
-
-		PDEBUG(4, "Setting clock divisor to %d", clock);
-
-		i2c_w(ov, 0x11, clock);
-	}
-
-	/******** Special Features ********/
-
-	if (framedrop >= 0)
-		i2c_w(ov, 0x16, framedrop);
-
-	/* Test Pattern */
-	i2c_w_mask(ov, 0x12, (testpat?0x02:0x00), 0x02);
-
-	/* Enable auto white balance */
-	i2c_w_mask(ov, 0x12, 0x04, 0x04);
-
-	// This will go away as soon as ov51x_mode_init_sensor_regs()
-	// is fully tested.
-	/* 7620/6620/6630? don't have register 0x35, so play it safe */
-	if (ov->sensor == SEN_OV7610 || ov->sensor == SEN_OV76BE) {
-		if (width == 640 && height == 480)
-			i2c_w(ov, 0x35, 0x9e);
-		else
-			i2c_w(ov, 0x35, 0x1e);
-	}
-
-	return 0;
-}
-
-static int
-set_ov_sensor_window(struct usb_ov511 *ov, int width, int height, int mode,
-		     int sub_flag)
-{
-	int ret;
-	int hwsbase, hwebase, vwsbase, vwebase, hwsize, vwsize;
-	int hoffset, voffset, hwscale = 0, vwscale = 0;
-
-	/* The different sensor ICs handle setting up of window differently.
-	 * IF YOU SET IT WRONG, YOU WILL GET ALL ZERO ISOC DATA FROM OV51x!!! */
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV76BE:
-		hwsbase = 0x38;
-		hwebase = 0x3a;
-		vwsbase = vwebase = 0x05;
-		break;
-	case SEN_OV6620:
-	case SEN_OV6630:
-		hwsbase = 0x38;
-		hwebase = 0x3a;
-		vwsbase = 0x05;
-		vwebase = 0x06;
-		break;
-	case SEN_OV7620:
-		hwsbase = 0x2f;		/* From 7620.SET (spec is wrong) */
-		hwebase = 0x2f;
-		vwsbase = vwebase = 0x05;
-		break;
-	default:
-		err("Invalid sensor");
-		return -EINVAL;
-	}
-
-	if (ov->sensor == SEN_OV6620 || ov->sensor == SEN_OV6630) {
-		/* Note: OV518(+) does downsample on its own) */
-		if ((width > 176 && height > 144)
-		    || ov->bclass == BCL_OV518) {  /* CIF */
-			ret = mode_init_ov_sensor_regs(ov, width, height,
-				mode, sub_flag, 0);
-			if (ret < 0)
-				return ret;
-			hwscale = 1;
-			vwscale = 1;  /* The datasheet says 0; it's wrong */
-			hwsize = 352;
-			vwsize = 288;
-		} else if (width > 176 || height > 144) {
-			err("Illegal dimensions");
-			return -EINVAL;
-		} else {			    /* QCIF */
-			ret = mode_init_ov_sensor_regs(ov, width, height,
-				mode, sub_flag, 1);
-			if (ret < 0)
-				return ret;
-			hwsize = 176;
-			vwsize = 144;
-		}
-	} else {
-		if (width > 320 && height > 240) {  /* VGA */
-			ret = mode_init_ov_sensor_regs(ov, width, height,
-				mode, sub_flag, 0);
-			if (ret < 0)
-				return ret;
-			hwscale = 2;
-			vwscale = 1;
-			hwsize = 640;
-			vwsize = 480;
-		} else if (width > 320 || height > 240) {
-			err("Illegal dimensions");
-			return -EINVAL;
-		} else {			    /* QVGA */
-			ret = mode_init_ov_sensor_regs(ov, width, height,
-				mode, sub_flag, 1);
-			if (ret < 0)
-				return ret;
-			hwscale = 1;
-			hwsize = 320;
-			vwsize = 240;
-		}
-	}
-
-	/* Center the window */
-	hoffset = ((hwsize - width) / 2) >> hwscale;
-	voffset = ((vwsize - height) / 2) >> vwscale;
-
-	/* FIXME! - This needs to be changed to support 160x120 and 6620!!! */
-	if (sub_flag) {
-		i2c_w(ov, 0x17, hwsbase+(ov->subx>>hwscale));
-		i2c_w(ov, 0x18,	hwebase+((ov->subx+ov->subw)>>hwscale));
-		i2c_w(ov, 0x19, vwsbase+(ov->suby>>vwscale));
-		i2c_w(ov, 0x1a, vwebase+((ov->suby+ov->subh)>>vwscale));
-	} else {
-		i2c_w(ov, 0x17, hwsbase + hoffset);
-		i2c_w(ov, 0x18, hwebase + hoffset + (hwsize>>hwscale));
-		i2c_w(ov, 0x19, vwsbase + voffset);
-		i2c_w(ov, 0x1a, vwebase + voffset + (vwsize>>vwscale));
-	}
-
-#ifdef OV511_DEBUG
-	if (dump_sensor)
-		dump_i2c_regs(ov);
-#endif
-
-	return 0;
-}
-
-/* Set up the OV511/OV511+ with the given image parameters.
- *
- * Do not put any sensor-specific code in here (including I2C I/O functions)
- */
-static int
-ov511_mode_init_regs(struct usb_ov511 *ov,
-		     int width, int height, int mode, int sub_flag)
-{
-	int hsegs, vsegs;
-
-	if (sub_flag) {
-		width = ov->subw;
-		height = ov->subh;
-	}
-
-	PDEBUG(3, "width:%d, height:%d, mode:%d, sub:%d",
-	       width, height, mode, sub_flag);
-
-	// FIXME: This should be moved to a 7111a-specific function once
-	// subcapture is dealt with properly
-	if (ov->sensor == SEN_SAA7111A) {
-		if (width == 320 && height == 240) {
-			/* No need to do anything special */
-		} else if (width == 640 && height == 480) {
-			/* Set the OV511 up as 320x480, but keep the
-			 * V4L resolution as 640x480 */
-			width = 320;
-		} else {
-			err("SAA7111A only allows 320x240 or 640x480");
-			return -EINVAL;
-		}
-	}
-
-	/* Make sure width and height are a multiple of 8 */
-	if (width % 8 || height % 8) {
-		err("Invalid size (%d, %d) (mode = %d)", width, height, mode);
-		return -EINVAL;
-	}
-
-	if (width < ov->minwidth || height < ov->minheight) {
-		err("Requested dimensions are too small");
-		return -EINVAL;
-	}
-
-	if (ov51x_stop(ov) < 0)
-		return -EIO;
-
-	if (mode == VIDEO_PALETTE_GREY) {
-		reg_w(ov, R511_CAM_UV_EN, 0x00);
-		reg_w(ov, R511_SNAP_UV_EN, 0x00);
-		reg_w(ov, R511_SNAP_OPTS, 0x01);
-	} else {
-		reg_w(ov, R511_CAM_UV_EN, 0x01);
-		reg_w(ov, R511_SNAP_UV_EN, 0x01);
-		reg_w(ov, R511_SNAP_OPTS, 0x03);
-	}
-
-	/* Here I'm assuming that snapshot size == image size.
-	 * I hope that's always true. --claudio
-	 */
-	hsegs = (width >> 3) - 1;
-	vsegs = (height >> 3) - 1;
-
-	reg_w(ov, R511_CAM_PXCNT, hsegs);
-	reg_w(ov, R511_CAM_LNCNT, vsegs);
-	reg_w(ov, R511_CAM_PXDIV, 0x00);
-	reg_w(ov, R511_CAM_LNDIV, 0x00);
-
-	/* YUV420, low pass filter on */
-	reg_w(ov, R511_CAM_OPTS, 0x03);
-
-	/* Snapshot additions */
-	reg_w(ov, R511_SNAP_PXCNT, hsegs);
-	reg_w(ov, R511_SNAP_LNCNT, vsegs);
-	reg_w(ov, R511_SNAP_PXDIV, 0x00);
-	reg_w(ov, R511_SNAP_LNDIV, 0x00);
-
-	if (ov->compress) {
-		/* Enable Y and UV quantization and compression */
-		reg_w(ov, R511_COMP_EN, 0x07);
-		reg_w(ov, R511_COMP_LUT_EN, 0x03);
-		ov51x_reset(ov, OV511_RESET_OMNICE);
-	}
-
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	return 0;
-}
-
-/* Sets up the OV518/OV518+ with the given image parameters
- *
- * OV518 needs a completely different approach, until we can figure out what
- * the individual registers do. Also, only 15 FPS is supported now.
- *
- * Do not put any sensor-specific code in here (including I2C I/O functions)
- */
-static int
-ov518_mode_init_regs(struct usb_ov511 *ov,
-		     int width, int height, int mode, int sub_flag)
-{
-	int hsegs, vsegs, hi_res;
-
-	if (sub_flag) {
-		width = ov->subw;
-		height = ov->subh;
-	}
-
-	PDEBUG(3, "width:%d, height:%d, mode:%d, sub:%d",
-	       width, height, mode, sub_flag);
-
-	if (width % 16 || height % 8) {
-		err("Invalid size (%d, %d)", width, height);
-		return -EINVAL;
-	}
-
-	if (width < ov->minwidth || height < ov->minheight) {
-		err("Requested dimensions are too small");
-		return -EINVAL;
-	}
-
-	if (width >= 320 && height >= 240) {
-		hi_res = 1;
-	} else if (width >= 320 || height >= 240) {
-		err("Invalid width/height combination (%d, %d)", width, height);
-		return -EINVAL;
-	} else {
-		hi_res = 0;
-	}
-
-	if (ov51x_stop(ov) < 0)
-		return -EIO;
-
-	/******** Set the mode ********/
-
-	reg_w(ov, 0x2b, 0);
-	reg_w(ov, 0x2c, 0);
-	reg_w(ov, 0x2d, 0);
-	reg_w(ov, 0x2e, 0);
-	reg_w(ov, 0x3b, 0);
-	reg_w(ov, 0x3c, 0);
-	reg_w(ov, 0x3d, 0);
-	reg_w(ov, 0x3e, 0);
-
-	if (ov->bridge == BRG_OV518 && ov518_color) {
-		/* OV518 needs U and V swapped */
-		i2c_w_mask(ov, 0x15, 0x00, 0x01);
-
-		if (mode == VIDEO_PALETTE_GREY) {
-			/* Set 16-bit input format (UV data are ignored) */
-			reg_w_mask(ov, 0x20, 0x00, 0x08);
-
-			/* Set 8-bit (4:0:0) output format */
-			reg_w_mask(ov, 0x28, 0x00, 0xf0);
-			reg_w_mask(ov, 0x38, 0x00, 0xf0);
-		} else {
-			/* Set 8-bit (YVYU) input format */
-			reg_w_mask(ov, 0x20, 0x08, 0x08);
-
-			/* Set 12-bit (4:2:0) output format */
-			reg_w_mask(ov, 0x28, 0x80, 0xf0);
-			reg_w_mask(ov, 0x38, 0x80, 0xf0);
-		}
-	} else {
-		reg_w(ov, 0x28, (mode == VIDEO_PALETTE_GREY) ? 0x00:0x80);
-		reg_w(ov, 0x38, (mode == VIDEO_PALETTE_GREY) ? 0x00:0x80);
-	}
-
-	hsegs = width / 16;
-	vsegs = height / 4;
-
-	reg_w(ov, 0x29, hsegs);
-	reg_w(ov, 0x2a, vsegs);
-
-	reg_w(ov, 0x39, hsegs);
-	reg_w(ov, 0x3a, vsegs);
-
-	/* Windows driver does this here; who knows why */
-	reg_w(ov, 0x2f, 0x80);
-
-	/******** Set the framerate (to 15 FPS) ********/
-
-	/* Mode independent, but framerate dependent, regs */
-	reg_w(ov, 0x51, 0x02);	/* Clock divider; lower==faster */
-	reg_w(ov, 0x22, 0x18);
-	reg_w(ov, 0x23, 0xff);
-
-	if (ov->bridge == BRG_OV518PLUS)
-		reg_w(ov, 0x21, 0x19);
-	else
-		reg_w(ov, 0x71, 0x19);	/* Compression-related? */
-
-	// FIXME: Sensor-specific
-	/* Bit 5 is what matters here. Of course, it is "reserved" */
-	i2c_w(ov, 0x54, 0x23);
-
-	reg_w(ov, 0x2f, 0x80);
-
-	if (ov->bridge == BRG_OV518PLUS) {
-		reg_w(ov, 0x24, 0x94);
-		reg_w(ov, 0x25, 0x90);
-		ov518_reg_w32(ov, 0xc4,    400, 2);	/* 190h   */
-		ov518_reg_w32(ov, 0xc6,    540, 2);	/* 21ch   */
-		ov518_reg_w32(ov, 0xc7,    540, 2);	/* 21ch   */
-		ov518_reg_w32(ov, 0xc8,    108, 2);	/* 6ch    */
-		ov518_reg_w32(ov, 0xca, 131098, 3);	/* 2001ah */
-		ov518_reg_w32(ov, 0xcb,    532, 2);	/* 214h   */
-		ov518_reg_w32(ov, 0xcc,   2400, 2);	/* 960h   */
-		ov518_reg_w32(ov, 0xcd,     32, 2);	/* 20h    */
-		ov518_reg_w32(ov, 0xce,    608, 2);	/* 260h   */
-	} else {
-		reg_w(ov, 0x24, 0x9f);
-		reg_w(ov, 0x25, 0x90);
-		ov518_reg_w32(ov, 0xc4,    400, 2);	/* 190h   */
-		ov518_reg_w32(ov, 0xc6,    500, 2);	/* 1f4h   */
-		ov518_reg_w32(ov, 0xc7,    500, 2);	/* 1f4h   */
-		ov518_reg_w32(ov, 0xc8,    142, 2);	/* 8eh    */
-		ov518_reg_w32(ov, 0xca, 131098, 3);	/* 2001ah */
-		ov518_reg_w32(ov, 0xcb,    532, 2);	/* 214h   */
-		ov518_reg_w32(ov, 0xcc,   2000, 2);	/* 7d0h   */
-		ov518_reg_w32(ov, 0xcd,     32, 2);	/* 20h    */
-		ov518_reg_w32(ov, 0xce,    608, 2);	/* 260h   */
-	}
-
-	reg_w(ov, 0x2f, 0x80);
-
-	if (ov51x_restart(ov) < 0)
-		return -EIO;
-
-	/* Reset it just for good measure */
-	if (ov51x_reset(ov, OV511_RESET_NOREGS) < 0)
-		return -EIO;
-
-	return 0;
-}
-
-/* This is a wrapper around the OV511, OV518, and sensor specific functions */
-static int
-mode_init_regs(struct usb_ov511 *ov,
-	       int width, int height, int mode, int sub_flag)
-{
-	int rc = 0;
-
-	if (!ov || !ov->dev)
-		return -EFAULT;
-
-	if (ov->bclass == BCL_OV518) {
-		rc = ov518_mode_init_regs(ov, width, height, mode, sub_flag);
-	} else {
-		rc = ov511_mode_init_regs(ov, width, height, mode, sub_flag);
-	}
-
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	switch (ov->sensor) {
-	case SEN_OV7610:
-	case SEN_OV7620:
-	case SEN_OV76BE:
-	case SEN_OV8600:
-	case SEN_OV6620:
-	case SEN_OV6630:
-		rc = set_ov_sensor_window(ov, width, height, mode, sub_flag);
-		break;
-	case SEN_KS0127:
-	case SEN_KS0127B:
-		err("KS0127-series decoders not supported yet");
-		rc = -EINVAL;
-		break;
-	case SEN_SAA7111A:
-//		rc = mode_init_saa_sensor_regs(ov, width, height, mode,
-//					       sub_flag);
-
-		PDEBUG(1, "SAA status = 0x%02X", i2c_r(ov, 0x1f));
-		break;
-	default:
-		err("Unknown sensor");
-		rc = -EINVAL;
-	}
-
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	/* Sensor-independent settings */
-	rc = sensor_set_auto_brightness(ov, ov->auto_brt);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_set_auto_exposure(ov, ov->auto_exp);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_set_banding_filter(ov, bandingfilter);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	if (ov->lightfreq) {
-		rc = sensor_set_light_freq(ov, lightfreq);
-		if (FATAL_ERROR(rc))
-			return rc;
-	}
-
-	rc = sensor_set_backlight(ov, ov->backlight);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	rc = sensor_set_mirror(ov, ov->mirror);
-	if (FATAL_ERROR(rc))
-		return rc;
-
-	return 0;
-}
-
-/* This sets the default image parameters. This is useful for apps that use
- * read() and do not set these.
- */
-static int
-ov51x_set_default_params(struct usb_ov511 *ov)
-{
-	int i;
-
-	/* Set default sizes in case IOCTL (VIDIOCMCAPTURE) is not used
-	 * (using read() instead). */
-	for (i = 0; i < OV511_NUMFRAMES; i++) {
-		ov->frame[i].width = ov->maxwidth;
-		ov->frame[i].height = ov->maxheight;
-		ov->frame[i].bytes_read = 0;
-		if (force_palette)
-			ov->frame[i].format = force_palette;
-		else
-			ov->frame[i].format = VIDEO_PALETTE_YUV420;
-
-		ov->frame[i].depth = get_depth(ov->frame[i].format);
-	}
-
-	PDEBUG(3, "%dx%d, %s", ov->maxwidth, ov->maxheight,
-	       symbolic(v4l1_plist, ov->frame[0].format));
-
-	/* Initialize to max width/height, YUV420 or RGB24 (if supported) */
-	if (mode_init_regs(ov, ov->maxwidth, ov->maxheight,
-			   ov->frame[0].format, 0) < 0)
-		return -EINVAL;
-
-	return 0;
-}
-
-/**********************************************************************
- *
- * Video decoder stuff
- *
- **********************************************************************/
-
-/* Set analog input port of decoder */
-static int
-decoder_set_input(struct usb_ov511 *ov, int input)
-{
-	PDEBUG(4, "port %d", input);
-
-	switch (ov->sensor) {
-	case SEN_SAA7111A:
-	{
-		/* Select mode */
-		i2c_w_mask(ov, 0x02, input, 0x07);
-		/* Bypass chrominance trap for modes 4..7 */
-		i2c_w_mask(ov, 0x09, (input > 3) ? 0x80:0x00, 0x80);
-		break;
-	}
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/* Get ASCII name of video input */
-static int
-decoder_get_input_name(struct usb_ov511 *ov, int input, char *name)
-{
-	switch (ov->sensor) {
-	case SEN_SAA7111A:
-	{
-		if (input < 0 || input > 7)
-			return -EINVAL;
-		else if (input < 4)
-			sprintf(name, "CVBS-%d", input);
-		else // if (input < 8)
-			sprintf(name, "S-Video-%d", input - 4);
-		break;
-	}
-	default:
-		sprintf(name, "%s", "Camera");
-	}
-
-	return 0;
-}
-
-/* Set norm (NTSC, PAL, SECAM, AUTO) */
-static int
-decoder_set_norm(struct usb_ov511 *ov, int norm)
-{
-	PDEBUG(4, "%d", norm);
-
-	switch (ov->sensor) {
-	case SEN_SAA7111A:
-	{
-		int reg_8, reg_e;
-
-		if (norm == VIDEO_MODE_NTSC) {
-			reg_8 = 0x40;	/* 60 Hz */
-			reg_e = 0x00;	/* NTSC M / PAL BGHI */
-		} else if (norm == VIDEO_MODE_PAL) {
-			reg_8 = 0x00;	/* 50 Hz */
-			reg_e = 0x00;	/* NTSC M / PAL BGHI */
-		} else if (norm == VIDEO_MODE_AUTO) {
-			reg_8 = 0x80;	/* Auto field detect */
-			reg_e = 0x00;	/* NTSC M / PAL BGHI */
-		} else if (norm == VIDEO_MODE_SECAM) {
-			reg_8 = 0x00;	/* 50 Hz */
-			reg_e = 0x50;	/* SECAM / PAL 4.43 */
-		} else {
-			return -EINVAL;
-		}
-
-		i2c_w_mask(ov, 0x08, reg_8, 0xc0);
-		i2c_w_mask(ov, 0x0e, reg_e, 0x70);
-		break;
-	}
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/**********************************************************************
- *
- * Raw data parsing
- *
- **********************************************************************/
-
-/* Copies a 64-byte segment at pIn to an 8x8 block at pOut. The width of the
- * image at pOut is specified by w.
- */
-static inline void
-make_8x8(unsigned char *pIn, unsigned char *pOut, int w)
-{
-	unsigned char *pOut1 = pOut;
-	int x, y;
-
-	for (y = 0; y < 8; y++) {
-		pOut1 = pOut;
-		for (x = 0; x < 8; x++) {
-			*pOut1++ = *pIn++;
-		}
-		pOut += w;
-	}
-}
-
-/*
- * For RAW BW (YUV 4:0:0) images, data show up in 256 byte segments.
- * The segments represent 4 squares of 8x8 pixels as follows:
- *
- *      0  1 ...  7    64  65 ...  71   ...  192 193 ... 199
- *      8  9 ... 15    72  73 ...  79        200 201 ... 207
- *           ...              ...                    ...
- *     56 57 ... 63   120 121 ... 127        248 249 ... 255
- *
- */
-static void
-yuv400raw_to_yuv400p(struct ov511_frame *frame,
-		     unsigned char *pIn0, unsigned char *pOut0)
-{
-	int x, y;
-	unsigned char *pIn, *pOut, *pOutLine;
-
-	/* Copy Y */
-	pIn = pIn0;
-	pOutLine = pOut0;
-	for (y = 0; y < frame->rawheight - 1; y += 8) {
-		pOut = pOutLine;
-		for (x = 0; x < frame->rawwidth - 1; x += 8) {
-			make_8x8(pIn, pOut, frame->rawwidth);
-			pIn += 64;
-			pOut += 8;
-		}
-		pOutLine += 8 * frame->rawwidth;
-	}
-}
-
-/*
- * For YUV 4:2:0 images, the data show up in 384 byte segments.
- * The first 64 bytes of each segment are U, the next 64 are V.  The U and
- * V are arranged as follows:
- *
- *      0  1 ...  7
- *      8  9 ... 15
- *           ...
- *     56 57 ... 63
- *
- * U and V are shipped at half resolution (1 U,V sample -> one 2x2 block).
- *
- * The next 256 bytes are full resolution Y data and represent 4 squares
- * of 8x8 pixels as follows:
- *
- *      0  1 ...  7    64  65 ...  71   ...  192 193 ... 199
- *      8  9 ... 15    72  73 ...  79        200 201 ... 207
- *           ...              ...                    ...
- *     56 57 ... 63   120 121 ... 127   ...  248 249 ... 255
- *
- * Note that the U and V data in one segment represent a 16 x 16 pixel
- * area, but the Y data represent a 32 x 8 pixel area. If the width is not an
- * even multiple of 32, the extra 8x8 blocks within a 32x8 block belong to the
- * next horizontal stripe.
- *
- * If dumppix module param is set, _parse_data just dumps the incoming segments,
- * verbatim, in order, into the frame. When used with vidcat -f ppm -s 640x480
- * this puts the data on the standard output and can be analyzed with the
- * parseppm.c utility I wrote.  That's a much faster way for figuring out how
- * these data are scrambled.
- */
-
-/* Converts from raw, uncompressed segments at pIn0 to a YUV420P frame at pOut0.
- *
- * FIXME: Currently only handles width and height that are multiples of 16
- */
-static void
-yuv420raw_to_yuv420p(struct ov511_frame *frame,
-		     unsigned char *pIn0, unsigned char *pOut0)
-{
-	int k, x, y;
-	unsigned char *pIn, *pOut, *pOutLine;
-	const unsigned int a = frame->rawwidth * frame->rawheight;
-	const unsigned int w = frame->rawwidth / 2;
-
-	/* Copy U and V */
-	pIn = pIn0;
-	pOutLine = pOut0 + a;
-	for (y = 0; y < frame->rawheight - 1; y += 16) {
-		pOut = pOutLine;
-		for (x = 0; x < frame->rawwidth - 1; x += 16) {
-			make_8x8(pIn, pOut, w);
-			make_8x8(pIn + 64, pOut + a/4, w);
-			pIn += 384;
-			pOut += 8;
-		}
-		pOutLine += 8 * w;
-	}
-
-	/* Copy Y */
-	pIn = pIn0 + 128;
-	pOutLine = pOut0;
-	k = 0;
-	for (y = 0; y < frame->rawheight - 1; y += 8) {
-		pOut = pOutLine;
-		for (x = 0; x < frame->rawwidth - 1; x += 8) {
-			make_8x8(pIn, pOut, frame->rawwidth);
-			pIn += 64;
-			pOut += 8;
-			if ((++k) > 3) {
-				k = 0;
-				pIn += 128;
-			}
-		}
-		pOutLine += 8 * frame->rawwidth;
-	}
-}
-
-/**********************************************************************
- *
- * Decompression
- *
- **********************************************************************/
-
-static int
-request_decompressor(struct usb_ov511 *ov)
-{
-	if (ov->bclass == BCL_OV511 || ov->bclass == BCL_OV518) {
-		err("No decompressor available");
-	} else {
-		err("Unknown bridge");
-	}
-
-	return -ENOSYS;
-}
-
-static void
-decompress(struct usb_ov511 *ov, struct ov511_frame *frame,
-	   unsigned char *pIn0, unsigned char *pOut0)
-{
-	if (!ov->decomp_ops)
-		if (request_decompressor(ov))
-			return;
-
-}
-
-/**********************************************************************
- *
- * Format conversion
- *
- **********************************************************************/
-
-/* Fuses even and odd fields together, and doubles width.
- * INPUT: an odd field followed by an even field at pIn0, in YUV planar format
- * OUTPUT: a normal YUV planar image, with correct aspect ratio
- */
-static void
-deinterlace(struct ov511_frame *frame, int rawformat,
-	    unsigned char *pIn0, unsigned char *pOut0)
-{
-	const int fieldheight = frame->rawheight / 2;
-	const int fieldpix = fieldheight * frame->rawwidth;
-	const int w = frame->width;
-	int x, y;
-	unsigned char *pInEven, *pInOdd, *pOut;
-
-	PDEBUG(5, "fieldheight=%d", fieldheight);
-
-	if (frame->rawheight != frame->height) {
-		err("invalid height");
-		return;
-	}
-
-	if ((frame->rawwidth * 2) != frame->width) {
-		err("invalid width");
-		return;
-	}
-
-	/* Y */
-	pInOdd = pIn0;
-	pInEven = pInOdd + fieldpix;
-	pOut = pOut0;
-	for (y = 0; y < fieldheight; y++) {
-		for (x = 0; x < frame->rawwidth; x++) {
-			*pOut = *pInEven;
-			*(pOut+1) = *pInEven++;
-			*(pOut+w) = *pInOdd;
-			*(pOut+w+1) = *pInOdd++;
-			pOut += 2;
-		}
-		pOut += w;
-	}
-
-	if (rawformat == RAWFMT_YUV420) {
-	/* U */
-		pInOdd = pIn0 + fieldpix * 2;
-		pInEven = pInOdd + fieldpix / 4;
-		for (y = 0; y < fieldheight / 2; y++) {
-			for (x = 0; x < frame->rawwidth / 2; x++) {
-				*pOut = *pInEven;
-				*(pOut+1) = *pInEven++;
-				*(pOut+w/2) = *pInOdd;
-				*(pOut+w/2+1) = *pInOdd++;
-				pOut += 2;
-			}
-			pOut += w/2;
-		}
-	/* V */
-		pInOdd = pIn0 + fieldpix * 2 + fieldpix / 2;
-		pInEven = pInOdd + fieldpix / 4;
-		for (y = 0; y < fieldheight / 2; y++) {
-			for (x = 0; x < frame->rawwidth / 2; x++) {
-				*pOut = *pInEven;
-				*(pOut+1) = *pInEven++;
-				*(pOut+w/2) = *pInOdd;
-				*(pOut+w/2+1) = *pInOdd++;
-				pOut += 2;
-			}
-			pOut += w/2;
-		}
-	}
-}
-
-static void
-ov51x_postprocess_grey(struct usb_ov511 *ov, struct ov511_frame *frame)
-{
-		/* Deinterlace frame, if necessary */
-		if (ov->sensor == SEN_SAA7111A && frame->rawheight >= 480) {
-			if (frame->compressed)
-				decompress(ov, frame, frame->rawdata,
-						 frame->tempdata);
-			else
-				yuv400raw_to_yuv400p(frame, frame->rawdata,
-						     frame->tempdata);
-
-			deinterlace(frame, RAWFMT_YUV400, frame->tempdata,
-				    frame->data);
-		} else {
-			if (frame->compressed)
-				decompress(ov, frame, frame->rawdata,
-						 frame->data);
-			else
-				yuv400raw_to_yuv400p(frame, frame->rawdata,
-						     frame->data);
-		}
-}
-
-/* Process raw YUV420 data into standard YUV420P */
-static void
-ov51x_postprocess_yuv420(struct usb_ov511 *ov, struct ov511_frame *frame)
-{
-	/* Deinterlace frame, if necessary */
-	if (ov->sensor == SEN_SAA7111A && frame->rawheight >= 480) {
-		if (frame->compressed)
-			decompress(ov, frame, frame->rawdata, frame->tempdata);
-		else
-			yuv420raw_to_yuv420p(frame, frame->rawdata,
-					     frame->tempdata);
-
-		deinterlace(frame, RAWFMT_YUV420, frame->tempdata,
-			    frame->data);
-	} else {
-		if (frame->compressed)
-			decompress(ov, frame, frame->rawdata, frame->data);
-		else
-			yuv420raw_to_yuv420p(frame, frame->rawdata,
-					     frame->data);
-	}
-}
-
-/* Post-processes the specified frame. This consists of:
- * 	1. Decompress frame, if necessary
- *	2. Deinterlace frame and scale to proper size, if necessary
- * 	3. Convert from YUV planar to destination format, if necessary
- * 	4. Fix the RGB offset, if necessary
- */
-static void
-ov51x_postprocess(struct usb_ov511 *ov, struct ov511_frame *frame)
-{
-	if (dumppix) {
-		memset(frame->data, 0,
-			MAX_DATA_SIZE(ov->maxwidth, ov->maxheight));
-		PDEBUG(4, "Dumping %d bytes", frame->bytes_recvd);
-		memcpy(frame->data, frame->rawdata, frame->bytes_recvd);
-	} else {
-		switch (frame->format) {
-		case VIDEO_PALETTE_GREY:
-			ov51x_postprocess_grey(ov, frame);
-			break;
-		case VIDEO_PALETTE_YUV420:
-		case VIDEO_PALETTE_YUV420P:
-			ov51x_postprocess_yuv420(ov, frame);
-			break;
-		default:
-			err("Cannot convert data to %s",
-			    symbolic(v4l1_plist, frame->format));
-		}
-	}
-}
-
-/**********************************************************************
- *
- * OV51x data transfer, IRQ handler
- *
- **********************************************************************/
-
-static inline void
-ov511_move_data(struct usb_ov511 *ov, unsigned char *in, int n)
-{
-	int num, offset;
-	int pnum = in[ov->packet_size - 1];		/* Get packet number */
-	int max_raw = MAX_RAW_DATA_SIZE(ov->maxwidth, ov->maxheight);
-	struct ov511_frame *frame = &ov->frame[ov->curframe];
-	struct timeval *ts;
-
-	/* SOF/EOF packets have 1st to 8th bytes zeroed and the 9th
-	 * byte non-zero. The EOF packet has image width/height in the
-	 * 10th and 11th bytes. The 9th byte is given as follows:
-	 *
-	 * bit 7: EOF
-	 *     6: compression enabled
-	 *     5: 422/420/400 modes
-	 *     4: 422/420/400 modes
-	 *     3: 1
-	 *     2: snapshot button on
-	 *     1: snapshot frame
-	 *     0: even/odd field
-	 */
-
-	if (printph) {
-		dev_info(&ov->dev->dev,
-			 "ph(%3d): %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x\n",
-			 pnum, in[0], in[1], in[2], in[3], in[4], in[5], in[6],
-			 in[7], in[8], in[9], in[10], in[11]);
-	}
-
-	/* Check for SOF/EOF packet */
-	if ((in[0] | in[1] | in[2] | in[3] | in[4] | in[5] | in[6] | in[7]) ||
-	    (~in[8] & 0x08))
-		goto check_middle;
-
-	/* Frame end */
-	if (in[8] & 0x80) {
-		ts = (struct timeval *)(frame->data
-		      + MAX_FRAME_SIZE(ov->maxwidth, ov->maxheight));
-		do_gettimeofday(ts);
-
-		/* Get the actual frame size from the EOF header */
-		frame->rawwidth = ((int)(in[9]) + 1) * 8;
-		frame->rawheight = ((int)(in[10]) + 1) * 8;
-
-		PDEBUG(4, "Frame end, frame=%d, pnum=%d, w=%d, h=%d, recvd=%d",
-			ov->curframe, pnum, frame->rawwidth, frame->rawheight,
-			frame->bytes_recvd);
-
-		/* Validate the header data */
-		RESTRICT_TO_RANGE(frame->rawwidth, ov->minwidth, ov->maxwidth);
-		RESTRICT_TO_RANGE(frame->rawheight, ov->minheight,
-				  ov->maxheight);
-
-		/* Don't allow byte count to exceed buffer size */
-		RESTRICT_TO_RANGE(frame->bytes_recvd, 8, max_raw);
-
-		if (frame->scanstate == STATE_LINES) {
-			int nextf;
-
-			frame->grabstate = FRAME_DONE;
-			wake_up_interruptible(&frame->wq);
-
-			/* If next frame is ready or grabbing,
-			 * point to it */
-			nextf = (ov->curframe + 1) % OV511_NUMFRAMES;
-			if (ov->frame[nextf].grabstate == FRAME_READY
-			    || ov->frame[nextf].grabstate == FRAME_GRABBING) {
-				ov->curframe = nextf;
-				ov->frame[nextf].scanstate = STATE_SCANNING;
-			} else {
-				if (frame->grabstate == FRAME_DONE) {
-					PDEBUG(4, "** Frame done **");
-				} else {
-					PDEBUG(4, "Frame not ready? state = %d",
-						ov->frame[nextf].grabstate);
-				}
-
-				ov->curframe = -1;
-			}
-		} else {
-			PDEBUG(5, "Frame done, but not scanning");
-		}
-		/* Image corruption caused by misplaced frame->segment = 0
-		 * fixed by carlosf@conectiva.com.br
-		 */
-	} else {
-		/* Frame start */
-		PDEBUG(4, "Frame start, framenum = %d", ov->curframe);
-
-		/* Check to see if it's a snapshot frame */
-		/* FIXME?? Should the snapshot reset go here? Performance? */
-		if (in[8] & 0x02) {
-			frame->snapshot = 1;
-			PDEBUG(3, "snapshot detected");
-		}
-
-		frame->scanstate = STATE_LINES;
-		frame->bytes_recvd = 0;
-		frame->compressed = in[8] & 0x40;
-	}
-
-check_middle:
-	/* Are we in a frame? */
-	if (frame->scanstate != STATE_LINES) {
-		PDEBUG(5, "Not in a frame; packet skipped");
-		return;
-	}
-
-	/* If frame start, skip header */
-	if (frame->bytes_recvd == 0)
-		offset = 9;
-	else
-		offset = 0;
-
-	num = n - offset - 1;
-
-	/* Dump all data exactly as received */
-	if (dumppix == 2) {
-		frame->bytes_recvd += n - 1;
-		if (frame->bytes_recvd <= max_raw)
-			memcpy(frame->rawdata + frame->bytes_recvd - (n - 1),
-				in, n - 1);
-		else
-			PDEBUG(3, "Raw data buffer overrun!! (%d)",
-				frame->bytes_recvd - max_raw);
-	} else if (!frame->compressed && !remove_zeros) {
-		frame->bytes_recvd += num;
-		if (frame->bytes_recvd <= max_raw)
-			memcpy(frame->rawdata + frame->bytes_recvd - num,
-				in + offset, num);
-		else
-			PDEBUG(3, "Raw data buffer overrun!! (%d)",
-				frame->bytes_recvd - max_raw);
-	} else { /* Remove all-zero FIFO lines (aligned 32-byte blocks) */
-		int b, read = 0, allzero, copied = 0;
-		if (offset) {
-			frame->bytes_recvd += 32 - offset;	// Bytes out
-			memcpy(frame->rawdata,	in + offset, 32 - offset);
-			read += 32;
-		}
-
-		while (read < n - 1) {
-			allzero = 1;
-			for (b = 0; b < 32; b++) {
-				if (in[read + b]) {
-					allzero = 0;
-					break;
-				}
-			}
-
-			if (allzero) {
-				/* Don't copy it */
-			} else {
-				if (frame->bytes_recvd + copied + 32 <= max_raw)
-				{
-					memcpy(frame->rawdata
-						+ frame->bytes_recvd + copied,
-						in + read, 32);
-					copied += 32;
-				} else {
-					PDEBUG(3, "Raw data buffer overrun!!");
-				}
-			}
-			read += 32;
-		}
-
-		frame->bytes_recvd += copied;
-	}
-}
-
-static inline void
-ov518_move_data(struct usb_ov511 *ov, unsigned char *in, int n)
-{
-	int max_raw = MAX_RAW_DATA_SIZE(ov->maxwidth, ov->maxheight);
-	struct ov511_frame *frame = &ov->frame[ov->curframe];
-	struct timeval *ts;
-
-	/* Don't copy the packet number byte */
-	if (ov->packet_numbering)
-		--n;
-
-	/* A false positive here is likely, until OVT gives me
-	 * the definitive SOF/EOF format */
-	if ((!(in[0] | in[1] | in[2] | in[3] | in[5])) && in[6]) {
-		if (printph) {
-			dev_info(&ov->dev->dev,
-				 "ph: %2x %2x %2x %2x %2x %2x %2x %2x\n",
-				 in[0], in[1], in[2], in[3], in[4], in[5],
-				 in[6], in[7]);
-		}
-
-		if (frame->scanstate == STATE_LINES) {
-			PDEBUG(4, "Detected frame end/start");
-			goto eof;
-		} else { //scanstate == STATE_SCANNING
-			/* Frame start */
-			PDEBUG(4, "Frame start, framenum = %d", ov->curframe);
-			goto sof;
-		}
-	} else {
-		goto check_middle;
-	}
-
-eof:
-	ts = (struct timeval *)(frame->data
-	      + MAX_FRAME_SIZE(ov->maxwidth, ov->maxheight));
-	do_gettimeofday(ts);
-
-	PDEBUG(4, "Frame end, curframe = %d, hw=%d, vw=%d, recvd=%d",
-		ov->curframe,
-		(int)(in[9]), (int)(in[10]), frame->bytes_recvd);
-
-	// FIXME: Since we don't know the header formats yet,
-	// there is no way to know what the actual image size is
-	frame->rawwidth = frame->width;
-	frame->rawheight = frame->height;
-
-	/* Validate the header data */
-	RESTRICT_TO_RANGE(frame->rawwidth, ov->minwidth, ov->maxwidth);
-	RESTRICT_TO_RANGE(frame->rawheight, ov->minheight, ov->maxheight);
-
-	/* Don't allow byte count to exceed buffer size */
-	RESTRICT_TO_RANGE(frame->bytes_recvd, 8, max_raw);
-
-	if (frame->scanstate == STATE_LINES) {
-		int nextf;
-
-		frame->grabstate = FRAME_DONE;
-		wake_up_interruptible(&frame->wq);
-
-		/* If next frame is ready or grabbing,
-		 * point to it */
-		nextf = (ov->curframe + 1) % OV511_NUMFRAMES;
-		if (ov->frame[nextf].grabstate == FRAME_READY
-		    || ov->frame[nextf].grabstate == FRAME_GRABBING) {
-			ov->curframe = nextf;
-			ov->frame[nextf].scanstate = STATE_SCANNING;
-			frame = &ov->frame[nextf];
-		} else {
-			if (frame->grabstate == FRAME_DONE) {
-				PDEBUG(4, "** Frame done **");
-			} else {
-				PDEBUG(4, "Frame not ready? state = %d",
-				       ov->frame[nextf].grabstate);
-			}
-
-			ov->curframe = -1;
-			PDEBUG(4, "SOF dropped (no active frame)");
-			return;  /* Nowhere to store this frame */
-		}
-	}
-sof:
-	PDEBUG(4, "Starting capture on frame %d", frame->framenum);
-
-// Snapshot not reverse-engineered yet.
-#if 0
-	/* Check to see if it's a snapshot frame */
-	/* FIXME?? Should the snapshot reset go here? Performance? */
-	if (in[8] & 0x02) {
-		frame->snapshot = 1;
-		PDEBUG(3, "snapshot detected");
-	}
-#endif
-	frame->scanstate = STATE_LINES;
-	frame->bytes_recvd = 0;
-	frame->compressed = 1;
-
-check_middle:
-	/* Are we in a frame? */
-	if (frame->scanstate != STATE_LINES) {
-		PDEBUG(4, "scanstate: no SOF yet");
-		return;
-	}
-
-	/* Dump all data exactly as received */
-	if (dumppix == 2) {
-		frame->bytes_recvd += n;
-		if (frame->bytes_recvd <= max_raw)
-			memcpy(frame->rawdata + frame->bytes_recvd - n, in, n);
-		else
-			PDEBUG(3, "Raw data buffer overrun!! (%d)",
-				frame->bytes_recvd - max_raw);
-	} else {
-		/* All incoming data are divided into 8-byte segments. If the
-		 * segment contains all zero bytes, it must be skipped. These
-		 * zero-segments allow the OV518 to mainain a constant data rate
-		 * regardless of the effectiveness of the compression. Segments
-		 * are aligned relative to the beginning of each isochronous
-		 * packet. The first segment in each image is a header (the
-		 * decompressor skips it later).
-		 */
-
-		int b, read = 0, allzero, copied = 0;
-
-		while (read < n) {
-			allzero = 1;
-			for (b = 0; b < 8; b++) {
-				if (in[read + b]) {
-					allzero = 0;
-					break;
-				}
-			}
-
-			if (allzero) {
-			/* Don't copy it */
-			} else {
-				if (frame->bytes_recvd + copied + 8 <= max_raw)
-				{
-					memcpy(frame->rawdata
-						+ frame->bytes_recvd + copied,
-						in + read, 8);
-					copied += 8;
-				} else {
-					PDEBUG(3, "Raw data buffer overrun!!");
-				}
-			}
-			read += 8;
-		}
-		frame->bytes_recvd += copied;
-	}
-}
-
-static void
-ov51x_isoc_irq(struct urb *urb)
-{
-	int i;
-	struct usb_ov511 *ov;
-	struct ov511_sbuf *sbuf;
-
-	if (!urb->context) {
-		PDEBUG(4, "no context");
-		return;
-	}
-
-	sbuf = urb->context;
-	ov = sbuf->ov;
-
-	if (!ov || !ov->dev || !ov->user) {
-		PDEBUG(4, "no device, or not open");
-		return;
-	}
-
-	if (!ov->streaming) {
-		PDEBUG(4, "hmmm... not streaming, but got interrupt");
-		return;
-	}
-
-	if (urb->status == -ENOENT || urb->status == -ECONNRESET) {
-		PDEBUG(4, "URB unlinked");
-		return;
-	}
-
-	if (urb->status != -EINPROGRESS && urb->status != 0) {
-		err("ERROR: urb->status=%d: %s", urb->status,
-		    symbolic(urb_errlist, urb->status));
-	}
-
-	/* Copy the data received into our frame buffer */
-	PDEBUG(5, "sbuf[%d]: Moving %d packets", sbuf->n,
-	       urb->number_of_packets);
-	for (i = 0; i < urb->number_of_packets; i++) {
-		/* Warning: Don't call *_move_data() if no frame active! */
-		if (ov->curframe >= 0) {
-			int n = urb->iso_frame_desc[i].actual_length;
-			int st = urb->iso_frame_desc[i].status;
-			unsigned char *cdata;
-
-			urb->iso_frame_desc[i].actual_length = 0;
-			urb->iso_frame_desc[i].status = 0;
-
-			cdata = urb->transfer_buffer
-				+ urb->iso_frame_desc[i].offset;
-
-			if (!n) {
-				PDEBUG(4, "Zero-length packet");
-				continue;
-			}
-
-			if (st)
-				PDEBUG(2, "data error: [%d] len=%d, status=%d",
-				       i, n, st);
-
-			if (ov->bclass == BCL_OV511)
-				ov511_move_data(ov, cdata, n);
-			else if (ov->bclass == BCL_OV518)
-				ov518_move_data(ov, cdata, n);
-			else
-				err("Unknown bridge device (%d)", ov->bridge);
-
-		} else if (waitqueue_active(&ov->wq)) {
-			wake_up_interruptible(&ov->wq);
-		}
-	}
-
-	/* Resubmit this URB */
-	urb->dev = ov->dev;
-	if ((i = usb_submit_urb(urb, GFP_ATOMIC)) != 0)
-		err("usb_submit_urb() ret %d", i);
-
-	return;
-}
-
-/****************************************************************************
- *
- * Stream initialization and termination
- *
- ***************************************************************************/
-
-static int
-ov51x_init_isoc(struct usb_ov511 *ov)
-{
-	struct urb *urb;
-	int fx, err, n, i, size;
-
-	PDEBUG(3, "*** Initializing capture ***");
-
-	ov->curframe = -1;
-
-	if (ov->bridge == BRG_OV511) {
-		if (cams == 1)
-			size = 993;
-		else if (cams == 2)
-			size = 513;
-		else if (cams == 3 || cams == 4)
-			size = 257;
-		else {
-			err("\"cams\" parameter too high!");
-			return -1;
-		}
-	} else if (ov->bridge == BRG_OV511PLUS) {
-		if (cams == 1)
-			size = 961;
-		else if (cams == 2)
-			size = 513;
-		else if (cams == 3 || cams == 4)
-			size = 257;
-		else if (cams >= 5 && cams <= 8)
-			size = 129;
-		else if (cams >= 9 && cams <= 31)
-			size = 33;
-		else {
-			err("\"cams\" parameter too high!");
-			return -1;
-		}
-	} else if (ov->bclass == BCL_OV518) {
-		if (cams == 1)
-			size = 896;
-		else if (cams == 2)
-			size = 512;
-		else if (cams == 3 || cams == 4)
-			size = 256;
-		else if (cams >= 5 && cams <= 8)
-			size = 128;
-		else {
-			err("\"cams\" parameter too high!");
-			return -1;
-		}
-	} else {
-		err("invalid bridge type");
-		return -1;
-	}
-
-	// FIXME: OV518 is hardcoded to 15 FPS (alternate 5) for now
-	if (ov->bclass == BCL_OV518) {
-		if (packetsize == -1) {
-			ov518_set_packet_size(ov, 640);
-		} else {
-			dev_info(&ov->dev->dev, "Forcing packet size to %d\n",
-				 packetsize);
-			ov518_set_packet_size(ov, packetsize);
-		}
-	} else {
-		if (packetsize == -1) {
-			ov511_set_packet_size(ov, size);
-		} else {
-			dev_info(&ov->dev->dev, "Forcing packet size to %d\n",
-				 packetsize);
-			ov511_set_packet_size(ov, packetsize);
-		}
-	}
-
-	for (n = 0; n < OV511_NUMSBUF; n++) {
-		urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL);
-		if (!urb) {
-			err("init isoc: usb_alloc_urb ret. NULL");
-			for (i = 0; i < n; i++)
-				usb_free_urb(ov->sbuf[i].urb);
-			return -ENOMEM;
-		}
-		ov->sbuf[n].urb = urb;
-		urb->dev = ov->dev;
-		urb->context = &ov->sbuf[n];
-		urb->pipe = usb_rcvisocpipe(ov->dev, OV511_ENDPOINT_ADDRESS);
-		urb->transfer_flags = URB_ISO_ASAP;
-		urb->transfer_buffer = ov->sbuf[n].data;
-		urb->complete = ov51x_isoc_irq;
-		urb->number_of_packets = FRAMES_PER_DESC;
-		urb->transfer_buffer_length = ov->packet_size * FRAMES_PER_DESC;
-		urb->interval = 1;
-		for (fx = 0; fx < FRAMES_PER_DESC; fx++) {
-			urb->iso_frame_desc[fx].offset = ov->packet_size * fx;
-			urb->iso_frame_desc[fx].length = ov->packet_size;
-		}
-	}
-
-	ov->streaming = 1;
-
-	for (n = 0; n < OV511_NUMSBUF; n++) {
-		ov->sbuf[n].urb->dev = ov->dev;
-		err = usb_submit_urb(ov->sbuf[n].urb, GFP_KERNEL);
-		if (err) {
-			err("init isoc: usb_submit_urb(%d) ret %d", n, err);
-			return err;
-		}
-	}
-
-	return 0;
-}
-
-static void
-ov51x_unlink_isoc(struct usb_ov511 *ov)
-{
-	int n;
-
-	/* Unschedule all of the iso td's */
-	for (n = OV511_NUMSBUF - 1; n >= 0; n--) {
-		if (ov->sbuf[n].urb) {
-			usb_kill_urb(ov->sbuf[n].urb);
-			usb_free_urb(ov->sbuf[n].urb);
-			ov->sbuf[n].urb = NULL;
-		}
-	}
-}
-
-static void
-ov51x_stop_isoc(struct usb_ov511 *ov)
-{
-	if (!ov->streaming || !ov->dev)
-		return;
-
-	PDEBUG(3, "*** Stopping capture ***");
-
-	if (ov->bclass == BCL_OV518)
-		ov518_set_packet_size(ov, 0);
-	else
-		ov511_set_packet_size(ov, 0);
-
-	ov->streaming = 0;
-
-	ov51x_unlink_isoc(ov);
-}
-
-static int
-ov51x_new_frame(struct usb_ov511 *ov, int framenum)
-{
-	struct ov511_frame *frame;
-	int newnum;
-
-	PDEBUG(4, "ov->curframe = %d, framenum = %d", ov->curframe, framenum);
-
-	if (!ov->dev)
-		return -1;
-
-	/* If we're not grabbing a frame right now and the other frame is */
-	/* ready to be grabbed into, then use it instead */
-	if (ov->curframe == -1) {
-		newnum = (framenum - 1 + OV511_NUMFRAMES) % OV511_NUMFRAMES;
-		if (ov->frame[newnum].grabstate == FRAME_READY)
-			framenum = newnum;
-	} else
-		return 0;
-
-	frame = &ov->frame[framenum];
-
-	PDEBUG(4, "framenum = %d, width = %d, height = %d", framenum,
-	       frame->width, frame->height);
-
-	frame->grabstate = FRAME_GRABBING;
-	frame->scanstate = STATE_SCANNING;
-	frame->snapshot = 0;
-
-	ov->curframe = framenum;
-
-	/* Make sure it's not too big */
-	if (frame->width > ov->maxwidth)
-		frame->width = ov->maxwidth;
-
-	frame->width &= ~7L;		/* Multiple of 8 */
-
-	if (frame->height > ov->maxheight)
-		frame->height = ov->maxheight;
-
-	frame->height &= ~3L;		/* Multiple of 4 */
-
-	return 0;
-}
-
-/****************************************************************************
- *
- * Buffer management
- *
- ***************************************************************************/
-
-/*
- * - You must acquire buf_lock before entering this function.
- * - Because this code will free any non-null pointer, you must be sure to null
- *   them if you explicitly free them somewhere else!
- */
-static void
-ov51x_do_dealloc(struct usb_ov511 *ov)
-{
-	int i;
-	PDEBUG(4, "entered");
-
-	if (ov->fbuf) {
-		rvfree(ov->fbuf, OV511_NUMFRAMES
-		       * MAX_DATA_SIZE(ov->maxwidth, ov->maxheight));
-		ov->fbuf = NULL;
-	}
-
-	vfree(ov->rawfbuf);
-	ov->rawfbuf = NULL;
-
-	vfree(ov->tempfbuf);
-	ov->tempfbuf = NULL;
-
-	for (i = 0; i < OV511_NUMSBUF; i++) {
-		kfree(ov->sbuf[i].data);
-		ov->sbuf[i].data = NULL;
-	}
-
-	for (i = 0; i < OV511_NUMFRAMES; i++) {
-		ov->frame[i].data = NULL;
-		ov->frame[i].rawdata = NULL;
-		ov->frame[i].tempdata = NULL;
-		if (ov->frame[i].compbuf) {
-			free_page((unsigned long) ov->frame[i].compbuf);
-			ov->frame[i].compbuf = NULL;
-		}
-	}
-
-	PDEBUG(4, "buffer memory deallocated");
-	ov->buf_state = BUF_NOT_ALLOCATED;
-	PDEBUG(4, "leaving");
-}
-
-static int
-ov51x_alloc(struct usb_ov511 *ov)
-{
-	int i;
-	const int w = ov->maxwidth;
-	const int h = ov->maxheight;
-	const int data_bufsize = OV511_NUMFRAMES * MAX_DATA_SIZE(w, h);
-	const int raw_bufsize = OV511_NUMFRAMES * MAX_RAW_DATA_SIZE(w, h);
-
-	PDEBUG(4, "entered");
-	mutex_lock(&ov->buf_lock);
-
-	if (ov->buf_state == BUF_ALLOCATED)
-		goto out;
-
-	ov->fbuf = rvmalloc(data_bufsize);
-	if (!ov->fbuf)
-		goto error;
-
-	ov->rawfbuf = vmalloc(raw_bufsize);
-	if (!ov->rawfbuf)
-		goto error;
-
-	memset(ov->rawfbuf, 0, raw_bufsize);
-
-	ov->tempfbuf = vmalloc(raw_bufsize);
-	if (!ov->tempfbuf)
-		goto error;
-
-	memset(ov->tempfbuf, 0, raw_bufsize);
-
-	for (i = 0; i < OV511_NUMSBUF; i++) {
-		ov->sbuf[i].data = kmalloc(FRAMES_PER_DESC *
-			MAX_FRAME_SIZE_PER_DESC, GFP_KERNEL);
-		if (!ov->sbuf[i].data)
-			goto error;
-
-		PDEBUG(4, "sbuf[%d] @ %p", i, ov->sbuf[i].data);
-	}
-
-	for (i = 0; i < OV511_NUMFRAMES; i++) {
-		ov->frame[i].data = ov->fbuf + i * MAX_DATA_SIZE(w, h);
-		ov->frame[i].rawdata = ov->rawfbuf
-		 + i * MAX_RAW_DATA_SIZE(w, h);
-		ov->frame[i].tempdata = ov->tempfbuf
-		 + i * MAX_RAW_DATA_SIZE(w, h);
-
-		ov->frame[i].compbuf =
-		 (unsigned char *) __get_free_page(GFP_KERNEL);
-		if (!ov->frame[i].compbuf)
-			goto error;
-
-		PDEBUG(4, "frame[%d] @ %p", i, ov->frame[i].data);
-	}
-
-	ov->buf_state = BUF_ALLOCATED;
-out:
-	mutex_unlock(&ov->buf_lock);
-	PDEBUG(4, "leaving");
-	return 0;
-error:
-	ov51x_do_dealloc(ov);
-	mutex_unlock(&ov->buf_lock);
-	PDEBUG(4, "errored");
-	return -ENOMEM;
-}
-
-static void
-ov51x_dealloc(struct usb_ov511 *ov)
-{
-	PDEBUG(4, "entered");
-	mutex_lock(&ov->buf_lock);
-	ov51x_do_dealloc(ov);
-	mutex_unlock(&ov->buf_lock);
-	PDEBUG(4, "leaving");
-}
-
-/****************************************************************************
- *
- * V4L 1 API
- *
- ***************************************************************************/
-
-static int
-ov51x_v4l1_open(struct file *file)
-{
-	struct video_device *vdev = video_devdata(file);
-	struct usb_ov511 *ov = video_get_drvdata(vdev);
-	int err, i;
-
-	PDEBUG(4, "opening");
-
-	mutex_lock(&ov->lock);
-
-	err = -EBUSY;
-	if (ov->user)
-		goto out;
-
-	ov->sub_flag = 0;
-
-	/* In case app doesn't set them... */
-	err = ov51x_set_default_params(ov);
-	if (err < 0)
-		goto out;
-
-	/* Make sure frames are reset */
-	for (i = 0; i < OV511_NUMFRAMES; i++) {
-		ov->frame[i].grabstate = FRAME_UNUSED;
-		ov->frame[i].bytes_read = 0;
-	}
-
-	/* If compression is on, make sure now that a
-	 * decompressor can be loaded */
-	if (ov->compress && !ov->decomp_ops) {
-		err = request_decompressor(ov);
-		if (err && !dumppix)
-			goto out;
-	}
-
-	err = ov51x_alloc(ov);
-	if (err < 0)
-		goto out;
-
-	err = ov51x_init_isoc(ov);
-	if (err) {
-		ov51x_dealloc(ov);
-		goto out;
-	}
-
-	ov->user++;
-	file->private_data = vdev;
-
-	if (ov->led_policy == LED_AUTO)
-		ov51x_led_control(ov, 1);
-
-out:
-	mutex_unlock(&ov->lock);
-	return err;
-}
-
-static int
-ov51x_v4l1_close(struct file *file)
-{
-	struct video_device *vdev = file->private_data;
-	struct usb_ov511 *ov = video_get_drvdata(vdev);
-
-	PDEBUG(4, "ov511_close");
-
-	mutex_lock(&ov->lock);
-
-	ov->user--;
-	ov51x_stop_isoc(ov);
-
-	if (ov->led_policy == LED_AUTO)
-		ov51x_led_control(ov, 0);
-
-	if (ov->dev)
-		ov51x_dealloc(ov);
-
-	mutex_unlock(&ov->lock);
-
-	/* Device unplugged while open. Only a minimum of unregistration is done
-	 * here; the disconnect callback already did the rest. */
-	if (!ov->dev) {
-		mutex_lock(&ov->cbuf_lock);
-		kfree(ov->cbuf);
-		ov->cbuf = NULL;
-		mutex_unlock(&ov->cbuf_lock);
-
-		ov51x_dealloc(ov);
-		kfree(ov);
-		ov = NULL;
-	}
-
-	file->private_data = NULL;
-	return 0;
-}
-
-/* Do not call this function directly! */
-static long
-ov51x_v4l1_ioctl_internal(struct file *file, unsigned int cmd, void *arg)
-{
-	struct video_device *vdev = file->private_data;
-	struct usb_ov511 *ov = video_get_drvdata(vdev);
-	PDEBUG(5, "IOCtl: 0x%X", cmd);
-
-	if (!ov->dev)
-		return -EIO;
-
-	switch (cmd) {
-	case VIDIOCGCAP:
-	{
-		struct video_capability *b = arg;
-
-		PDEBUG(4, "VIDIOCGCAP");
-
-		memset(b, 0, sizeof(struct video_capability));
-		sprintf(b->name, "%s USB Camera",
-			symbolic(brglist, ov->bridge));
-		b->type = VID_TYPE_CAPTURE | VID_TYPE_SUBCAPTURE;
-		b->channels = ov->num_inputs;
-		b->audios = 0;
-		b->maxwidth = ov->maxwidth;
-		b->maxheight = ov->maxheight;
-		b->minwidth = ov->minwidth;
-		b->minheight = ov->minheight;
-
-		return 0;
-	}
-	case VIDIOCGCHAN:
-	{
-		struct video_channel *v = arg;
-
-		PDEBUG(4, "VIDIOCGCHAN");
-
-		if ((unsigned)(v->channel) >= ov->num_inputs) {
-			err("Invalid channel (%d)", v->channel);
-			return -EINVAL;
-		}
-
-		v->norm = ov->norm;
-		v->type = VIDEO_TYPE_CAMERA;
-		v->flags = 0;
-//		v->flags |= (ov->has_decoder) ? VIDEO_VC_NORM : 0;
-		v->tuners = 0;
-		decoder_get_input_name(ov, v->channel, v->name);
-
-		return 0;
-	}
-	case VIDIOCSCHAN:
-	{
-		struct video_channel *v = arg;
-		int err;
-
-		PDEBUG(4, "VIDIOCSCHAN");
-
-		/* Make sure it's not a camera */
-		if (!ov->has_decoder) {
-			if (v->channel == 0)
-				return 0;
-			else
-				return -EINVAL;
-		}
-
-		if (v->norm != VIDEO_MODE_PAL &&
-		    v->norm != VIDEO_MODE_NTSC &&
-		    v->norm != VIDEO_MODE_SECAM &&
-		    v->norm != VIDEO_MODE_AUTO) {
-			err("Invalid norm (%d)", v->norm);
-			return -EINVAL;
-		}
-
-		if ((unsigned)(v->channel) >= ov->num_inputs) {
-			err("Invalid channel (%d)", v->channel);
-			return -EINVAL;
-		}
-
-		err = decoder_set_input(ov, v->channel);
-		if (err)
-			return err;
-
-		err = decoder_set_norm(ov, v->norm);
-		if (err)
-			return err;
-
-		return 0;
-	}
-	case VIDIOCGPICT:
-	{
-		struct video_picture *p = arg;
-
-		PDEBUG(4, "VIDIOCGPICT");
-
-		memset(p, 0, sizeof(struct video_picture));
-		if (sensor_get_picture(ov, p))
-			return -EIO;
-
-		/* Can we get these from frame[0]? -claudio? */
-		p->depth = ov->frame[0].depth;
-		p->palette = ov->frame[0].format;
-
-		return 0;
-	}
-	case VIDIOCSPICT:
-	{
-		struct video_picture *p = arg;
-		int i, rc;
-
-		PDEBUG(4, "VIDIOCSPICT");
-
-		if (!get_depth(p->palette))
-			return -EINVAL;
-
-		if (sensor_set_picture(ov, p))
-			return -EIO;
-
-		if (force_palette && p->palette != force_palette) {
-			dev_info(&ov->dev->dev, "Palette rejected (%s)\n",
-			     symbolic(v4l1_plist, p->palette));
-			return -EINVAL;
-		}
-
-		// FIXME: Format should be independent of frames
-		if (p->palette != ov->frame[0].format) {
-			PDEBUG(4, "Detected format change");
-
-			rc = ov51x_wait_frames_inactive(ov);
-			if (rc)
-				return rc;
-
-			mode_init_regs(ov, ov->frame[0].width,
-				ov->frame[0].height, p->palette, ov->sub_flag);
-		}
-
-		PDEBUG(4, "Setting depth=%d, palette=%s",
-		       p->depth, symbolic(v4l1_plist, p->palette));
-
-		for (i = 0; i < OV511_NUMFRAMES; i++) {
-			ov->frame[i].depth = p->depth;
-			ov->frame[i].format = p->palette;
-		}
-
-		return 0;
-	}
-	case VIDIOCGCAPTURE:
-	{
-		int *vf = arg;
-
-		PDEBUG(4, "VIDIOCGCAPTURE");
-
-		ov->sub_flag = *vf;
-		return 0;
-	}
-	case VIDIOCSCAPTURE:
-	{
-		struct video_capture *vc = arg;
-
-		PDEBUG(4, "VIDIOCSCAPTURE");
-
-		if (vc->flags)
-			return -EINVAL;
-		if (vc->decimation)
-			return -EINVAL;
-
-		vc->x &= ~3L;
-		vc->y &= ~1L;
-		vc->y &= ~31L;
-
-		if (vc->width == 0)
-			vc->width = 32;
-
-		vc->height /= 16;
-		vc->height *= 16;
-		if (vc->height == 0)
-			vc->height = 16;
-
-		ov->subx = vc->x;
-		ov->suby = vc->y;
-		ov->subw = vc->width;
-		ov->subh = vc->height;
-
-		return 0;
-	}
-	case VIDIOCSWIN:
-	{
-		struct video_window *vw = arg;
-		int i, rc;
-
-		PDEBUG(4, "VIDIOCSWIN: %dx%d", vw->width, vw->height);
-
-#if 0
-		if (vw->flags)
-			return -EINVAL;
-		if (vw->clipcount)
-			return -EINVAL;
-		if (vw->height != ov->maxheight)
-			return -EINVAL;
-		if (vw->width != ov->maxwidth)
-			return -EINVAL;
-#endif
-
-		rc = ov51x_wait_frames_inactive(ov);
-		if (rc)
-			return rc;
-
-		rc = mode_init_regs(ov, vw->width, vw->height,
-			ov->frame[0].format, ov->sub_flag);
-		if (rc < 0)
-			return rc;
-
-		for (i = 0; i < OV511_NUMFRAMES; i++) {
-			ov->frame[i].width = vw->width;
-			ov->frame[i].height = vw->height;
-		}
-
-		return 0;
-	}
-	case VIDIOCGWIN:
-	{
-		struct video_window *vw = arg;
-
-		memset(vw, 0, sizeof(struct video_window));
-		vw->x = 0;		/* FIXME */
-		vw->y = 0;
-		vw->width = ov->frame[0].width;
-		vw->height = ov->frame[0].height;
-		vw->flags = 30;
-
-		PDEBUG(4, "VIDIOCGWIN: %dx%d", vw->width, vw->height);
-
-		return 0;
-	}
-	case VIDIOCGMBUF:
-	{
-		struct video_mbuf *vm = arg;
-		int i;
-
-		PDEBUG(4, "VIDIOCGMBUF");
-
-		memset(vm, 0, sizeof(struct video_mbuf));
-		vm->size = OV511_NUMFRAMES
-			   * MAX_DATA_SIZE(ov->maxwidth, ov->maxheight);
-		vm->frames = OV511_NUMFRAMES;
-
-		vm->offsets[0] = 0;
-		for (i = 1; i < OV511_NUMFRAMES; i++) {
-			vm->offsets[i] = vm->offsets[i-1]
-			   + MAX_DATA_SIZE(ov->maxwidth, ov->maxheight);
-		}
-
-		return 0;
-	}
-	case VIDIOCMCAPTURE:
-	{
-		struct video_mmap *vm = arg;
-		int rc, depth;
-		unsigned int f = vm->frame;
-
-		PDEBUG(4, "VIDIOCMCAPTURE: frame: %d, %dx%d, %s", f, vm->width,
-			vm->height, symbolic(v4l1_plist, vm->format));
-
-		depth = get_depth(vm->format);
-		if (!depth) {
-			PDEBUG(2, "VIDIOCMCAPTURE: invalid format (%s)",
-			       symbolic(v4l1_plist, vm->format));
-			return -EINVAL;
-		}
-
-		if (f >= OV511_NUMFRAMES) {
-			err("VIDIOCMCAPTURE: invalid frame (%d)", f);
-			return -EINVAL;
-		}
-
-		if (vm->width > ov->maxwidth
-		    || vm->height > ov->maxheight) {
-			err("VIDIOCMCAPTURE: requested dimensions too big");
-			return -EINVAL;
-		}
-
-		if (ov->frame[f].grabstate == FRAME_GRABBING) {
-			PDEBUG(4, "VIDIOCMCAPTURE: already grabbing");
-			return -EBUSY;
-		}
-
-		if (force_palette && (vm->format != force_palette)) {
-			PDEBUG(2, "palette rejected (%s)",
-			       symbolic(v4l1_plist, vm->format));
-			return -EINVAL;
-		}
-
-		if ((ov->frame[f].width != vm->width) ||
-		    (ov->frame[f].height != vm->height) ||
-		    (ov->frame[f].format != vm->format) ||
-		    (ov->frame[f].sub_flag != ov->sub_flag) ||
-		    (ov->frame[f].depth != depth)) {
-			PDEBUG(4, "VIDIOCMCAPTURE: change in image parameters");
-
-			rc = ov51x_wait_frames_inactive(ov);
-			if (rc)
-				return rc;
-
-			rc = mode_init_regs(ov, vm->width, vm->height,
-				vm->format, ov->sub_flag);
-#if 0
-			if (rc < 0) {
-				PDEBUG(1, "Got error while initializing regs ");
-				return ret;
-			}
-#endif
-			ov->frame[f].width = vm->width;
-			ov->frame[f].height = vm->height;
-			ov->frame[f].format = vm->format;
-			ov->frame[f].sub_flag = ov->sub_flag;
-			ov->frame[f].depth = depth;
-		}
-
-		/* Mark it as ready */
-		ov->frame[f].grabstate = FRAME_READY;
-
-		PDEBUG(4, "VIDIOCMCAPTURE: renewing frame %d", f);
-
-		return ov51x_new_frame(ov, f);
-	}
-	case VIDIOCSYNC:
-	{
-		unsigned int fnum = *((unsigned int *) arg);
-		struct ov511_frame *frame;
-		int rc;
-
-		if (fnum >= OV511_NUMFRAMES) {
-			err("VIDIOCSYNC: invalid frame (%d)", fnum);
-			return -EINVAL;
-		}
-
-		frame = &ov->frame[fnum];
-
-		PDEBUG(4, "syncing to frame %d, grabstate = %d", fnum,
-		       frame->grabstate);
-
-		switch (frame->grabstate) {
-		case FRAME_UNUSED:
-			return -EINVAL;
-		case FRAME_READY:
-		case FRAME_GRABBING:
-		case FRAME_ERROR:
-redo:
-			if (!ov->dev)
-				return -EIO;
-
-			rc = wait_event_interruptible(frame->wq,
-			    (frame->grabstate == FRAME_DONE)
-			    || (frame->grabstate == FRAME_ERROR));
-
-			if (rc)
-				return rc;
-
-			if (frame->grabstate == FRAME_ERROR) {
-				if ((rc = ov51x_new_frame(ov, fnum)) < 0)
-					return rc;
-				goto redo;
-			}
-			/* Fall through */
-		case FRAME_DONE:
-			if (ov->snap_enabled && !frame->snapshot) {
-				if ((rc = ov51x_new_frame(ov, fnum)) < 0)
-					return rc;
-				goto redo;
-			}
-
-			frame->grabstate = FRAME_UNUSED;
-
-			/* Reset the hardware snapshot button */
-			/* FIXME - Is this the best place for this? */
-			if ((ov->snap_enabled) && (frame->snapshot)) {
-				frame->snapshot = 0;
-				ov51x_clear_snapshot(ov);
-			}
-
-			/* Decompression, format conversion, etc... */
-			ov51x_postprocess(ov, frame);
-
-			break;
-		} /* end switch */
-
-		return 0;
-	}
-	case VIDIOCGFBUF:
-	{
-		struct video_buffer *vb = arg;
-
-		PDEBUG(4, "VIDIOCGFBUF");
-
-		memset(vb, 0, sizeof(struct video_buffer));
-
-		return 0;
-	}
-	case VIDIOCGUNIT:
-	{
-		struct video_unit *vu = arg;
-
-		PDEBUG(4, "VIDIOCGUNIT");
-
-		memset(vu, 0, sizeof(struct video_unit));
-
-		vu->video = ov->vdev->minor;
-		vu->vbi = VIDEO_NO_UNIT;
-		vu->radio = VIDEO_NO_UNIT;
-		vu->audio = VIDEO_NO_UNIT;
-		vu->teletext = VIDEO_NO_UNIT;
-
-		return 0;
-	}
-	case OV511IOC_WI2C:
-	{
-		struct ov511_i2c_struct *w = arg;
-
-		return i2c_w_slave(ov, w->slave, w->reg, w->value, w->mask);
-	}
-	case OV511IOC_RI2C:
-	{
-		struct ov511_i2c_struct *r = arg;
-		int rc;
-
-		rc = i2c_r_slave(ov, r->slave, r->reg);
-		if (rc < 0)
-			return rc;
-
-		r->value = rc;
-		return 0;
-	}
-	default:
-		PDEBUG(3, "Unsupported IOCtl: 0x%X", cmd);
-		return -ENOIOCTLCMD;
-	} /* end switch */
-
-	return 0;
-}
-
-static long
-ov51x_v4l1_ioctl(struct file *file,
-		 unsigned int cmd, unsigned long arg)
-{
-	struct video_device *vdev = file->private_data;
-	struct usb_ov511 *ov = video_get_drvdata(vdev);
-	int rc;
-
-	if (mutex_lock_interruptible(&ov->lock))
-		return -EINTR;
-
-	rc = video_usercopy(file, cmd, arg, ov51x_v4l1_ioctl_internal);
-
-	mutex_unlock(&ov->lock);
-	return rc;
-}
-
-static ssize_t
-ov51x_v4l1_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos)
-{
-	struct video_device *vdev = file->private_data;
-	int noblock = file->f_flags&O_NONBLOCK;
-	unsigned long count = cnt;
-	struct usb_ov511 *ov = video_get_drvdata(vdev);
-	int i, rc = 0, frmx = -1;
-	struct ov511_frame *frame;
-
-	if (mutex_lock_interruptible(&ov->lock))
-		return -EINTR;
-
-	PDEBUG(4, "%ld bytes, noblock=%d", count, noblock);
-
-	if (!vdev || !buf) {
-		rc = -EFAULT;
-		goto error;
-	}
-
-	if (!ov->dev) {
-		rc = -EIO;
-		goto error;
-	}
-
-// FIXME: Only supports two frames
-	/* See if a frame is completed, then use it. */
-	if (ov->frame[0].grabstate >= FRAME_DONE)	/* _DONE or _ERROR */
-		frmx = 0;
-	else if (ov->frame[1].grabstate >= FRAME_DONE)/* _DONE or _ERROR */
-		frmx = 1;
-
-	/* If nonblocking we return immediately */
-	if (noblock && (frmx == -1)) {
-		rc = -EAGAIN;
-		goto error;
-	}
-
-	/* If no FRAME_DONE, look for a FRAME_GRABBING state. */
-	/* See if a frame is in process (grabbing), then use it. */
-	if (frmx == -1) {
-		if (ov->frame[0].grabstate == FRAME_GRABBING)
-			frmx = 0;
-		else if (ov->frame[1].grabstate == FRAME_GRABBING)
-			frmx = 1;
-	}
-
-	/* If no frame is active, start one. */
-	if (frmx == -1) {
-		if ((rc = ov51x_new_frame(ov, frmx = 0))) {
-			err("read: ov51x_new_frame error");
-			goto error;
-		}
-	}
-
-	frame = &ov->frame[frmx];
-
-restart:
-	if (!ov->dev) {
-		rc = -EIO;
-		goto error;
-	}
-
-	/* Wait while we're grabbing the image */
-	PDEBUG(4, "Waiting image grabbing");
-	rc = wait_event_interruptible(frame->wq,
-		(frame->grabstate == FRAME_DONE)
-		|| (frame->grabstate == FRAME_ERROR));
-
-	if (rc)
-		goto error;
-
-	PDEBUG(4, "Got image, frame->grabstate = %d", frame->grabstate);
-	PDEBUG(4, "bytes_recvd = %d", frame->bytes_recvd);
-
-	if (frame->grabstate == FRAME_ERROR) {
-		frame->bytes_read = 0;
-		err("** ick! ** Errored frame %d", ov->curframe);
-		if (ov51x_new_frame(ov, frmx)) {
-			err("read: ov51x_new_frame error");
-			goto error;
-		}
-		goto restart;
-	}
-
-
-	/* Repeat until we get a snapshot frame */
-	if (ov->snap_enabled)
-		PDEBUG(4, "Waiting snapshot frame");
-	if (ov->snap_enabled && !frame->snapshot) {
-		frame->bytes_read = 0;
-		if ((rc = ov51x_new_frame(ov, frmx))) {
-			err("read: ov51x_new_frame error");
-			goto error;
-		}
-		goto restart;
-	}
-
-	/* Clear the snapshot */
-	if (ov->snap_enabled && frame->snapshot) {
-		frame->snapshot = 0;
-		ov51x_clear_snapshot(ov);
-	}
-
-	/* Decompression, format conversion, etc... */
-	ov51x_postprocess(ov, frame);
-
-	PDEBUG(4, "frmx=%d, bytes_read=%ld, length=%ld", frmx,
-		frame->bytes_read,
-		get_frame_length(frame));
-
-	/* copy bytes to user space; we allow for partials reads */
-//	if ((count + frame->bytes_read)
-//	    > get_frame_length((struct ov511_frame *)frame))
-//		count = frame->scanlength - frame->bytes_read;
-
-	/* FIXME - count hardwired to be one frame... */
-	count = get_frame_length(frame);
-
-	PDEBUG(4, "Copy to user space: %ld bytes", count);
-	if ((i = copy_to_user(buf, frame->data + frame->bytes_read, count))) {
-		PDEBUG(4, "Copy failed! %d bytes not copied", i);
-		rc = -EFAULT;
-		goto error;
-	}
-
-	frame->bytes_read += count;
-	PDEBUG(4, "{copy} count used=%ld, new bytes_read=%ld",
-		count, frame->bytes_read);
-
-	/* If all data have been read... */
-	if (frame->bytes_read
-	    >= get_frame_length(frame)) {
-		frame->bytes_read = 0;
-
-// FIXME: Only supports two frames
-		/* Mark it as available to be used again. */
-		ov->frame[frmx].grabstate = FRAME_UNUSED;
-		if ((rc = ov51x_new_frame(ov, !frmx))) {
-			err("ov51x_new_frame returned error");
-			goto error;
-		}
-	}
-
-	PDEBUG(4, "read finished, returning %ld (sweet)", count);
-
-	mutex_unlock(&ov->lock);
-	return count;
-
-error:
-	mutex_unlock(&ov->lock);
-	return rc;
-}
-
-static int
-ov51x_v4l1_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	struct video_device *vdev = file->private_data;
-	unsigned long start = vma->vm_start;
-	unsigned long size  = vma->vm_end - vma->vm_start;
-	struct usb_ov511 *ov = video_get_drvdata(vdev);
-	unsigned long page, pos;
-
-	if (ov->dev == NULL)
-		return -EIO;
-
-	PDEBUG(4, "mmap: %ld (%lX) bytes", size, size);
-
-	if (size > (((OV511_NUMFRAMES
-		      * MAX_DATA_SIZE(ov->maxwidth, ov->maxheight)
-		      + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))))
-		return -EINVAL;
-
-	if (mutex_lock_interruptible(&ov->lock))
-		return -EINTR;
-
-	pos = (unsigned long)ov->fbuf;
-	while (size > 0) {
-		page = vmalloc_to_pfn((void *)pos);
-		if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
-			mutex_unlock(&ov->lock);
-			return -EAGAIN;
-		}
-		start += PAGE_SIZE;
-		pos += PAGE_SIZE;
-		if (size > PAGE_SIZE)
-			size -= PAGE_SIZE;
-		else
-			size = 0;
-	}
-
-	mutex_unlock(&ov->lock);
-	return 0;
-}
-
-static const struct v4l2_file_operations ov511_fops = {
-	.owner =	THIS_MODULE,
-	.open =		ov51x_v4l1_open,
-	.release =	ov51x_v4l1_close,
-	.read =		ov51x_v4l1_read,
-	.mmap =		ov51x_v4l1_mmap,
-	.ioctl =	ov51x_v4l1_ioctl,
-};
-
-static struct video_device vdev_template = {
-	.name =		"OV511 USB Camera",
-	.fops =		&ov511_fops,
-	.release =	video_device_release,
-};
-
-/****************************************************************************
- *
- * OV511 and sensor configuration
- *
- ***************************************************************************/
-
-/* This initializes the OV7610, OV7620, or OV76BE sensor. The OV76BE uses
- * the same register settings as the OV7610, since they are very similar.
- */
-static int
-ov7xx0_configure(struct usb_ov511 *ov)
-{
-	int i, success;
-	int rc;
-
-	/* Lawrence Glaister <lg@jfm.bc.ca> reports:
-	 *
-	 * Register 0x0f in the 7610 has the following effects:
-	 *
-	 * 0x85 (AEC method 1): Best overall, good contrast range
-	 * 0x45 (AEC method 2): Very overexposed
-	 * 0xa5 (spec sheet default): Ok, but the black level is
-	 *	shifted resulting in loss of contrast
-	 * 0x05 (old driver setting): very overexposed, too much
-	 *	contrast
-	 */
-	static struct ov511_regvals aRegvalsNorm7610[] = {
-		{ OV511_I2C_BUS, 0x10, 0xff },
-		{ OV511_I2C_BUS, 0x16, 0x06 },
-		{ OV511_I2C_BUS, 0x28, 0x24 },
-		{ OV511_I2C_BUS, 0x2b, 0xac },
-		{ OV511_I2C_BUS, 0x12, 0x00 },
-		{ OV511_I2C_BUS, 0x38, 0x81 },
-		{ OV511_I2C_BUS, 0x28, 0x24 },	/* 0c */
-		{ OV511_I2C_BUS, 0x0f, 0x85 },	/* lg's setting */
-		{ OV511_I2C_BUS, 0x15, 0x01 },
-		{ OV511_I2C_BUS, 0x20, 0x1c },
-		{ OV511_I2C_BUS, 0x23, 0x2a },
-		{ OV511_I2C_BUS, 0x24, 0x10 },
-		{ OV511_I2C_BUS, 0x25, 0x8a },
-		{ OV511_I2C_BUS, 0x26, 0xa2 },
-		{ OV511_I2C_BUS, 0x27, 0xc2 },
-		{ OV511_I2C_BUS, 0x2a, 0x04 },
-		{ OV511_I2C_BUS, 0x2c, 0xfe },
-		{ OV511_I2C_BUS, 0x2d, 0x93 },
-		{ OV511_I2C_BUS, 0x30, 0x71 },
-		{ OV511_I2C_BUS, 0x31, 0x60 },
-		{ OV511_I2C_BUS, 0x32, 0x26 },
-		{ OV511_I2C_BUS, 0x33, 0x20 },
-		{ OV511_I2C_BUS, 0x34, 0x48 },
-		{ OV511_I2C_BUS, 0x12, 0x24 },
-		{ OV511_I2C_BUS, 0x11, 0x01 },
-		{ OV511_I2C_BUS, 0x0c, 0x24 },
-		{ OV511_I2C_BUS, 0x0d, 0x24 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-	static struct ov511_regvals aRegvalsNorm7620[] = {
-		{ OV511_I2C_BUS, 0x00, 0x00 },
-		{ OV511_I2C_BUS, 0x01, 0x80 },
-		{ OV511_I2C_BUS, 0x02, 0x80 },
-		{ OV511_I2C_BUS, 0x03, 0xc0 },
-		{ OV511_I2C_BUS, 0x06, 0x60 },
-		{ OV511_I2C_BUS, 0x07, 0x00 },
-		{ OV511_I2C_BUS, 0x0c, 0x24 },
-		{ OV511_I2C_BUS, 0x0c, 0x24 },
-		{ OV511_I2C_BUS, 0x0d, 0x24 },
-		{ OV511_I2C_BUS, 0x11, 0x01 },
-		{ OV511_I2C_BUS, 0x12, 0x24 },
-		{ OV511_I2C_BUS, 0x13, 0x01 },
-		{ OV511_I2C_BUS, 0x14, 0x84 },
-		{ OV511_I2C_BUS, 0x15, 0x01 },
-		{ OV511_I2C_BUS, 0x16, 0x03 },
-		{ OV511_I2C_BUS, 0x17, 0x2f },
-		{ OV511_I2C_BUS, 0x18, 0xcf },
-		{ OV511_I2C_BUS, 0x19, 0x06 },
-		{ OV511_I2C_BUS, 0x1a, 0xf5 },
-		{ OV511_I2C_BUS, 0x1b, 0x00 },
-		{ OV511_I2C_BUS, 0x20, 0x18 },
-		{ OV511_I2C_BUS, 0x21, 0x80 },
-		{ OV511_I2C_BUS, 0x22, 0x80 },
-		{ OV511_I2C_BUS, 0x23, 0x00 },
-		{ OV511_I2C_BUS, 0x26, 0xa2 },
-		{ OV511_I2C_BUS, 0x27, 0xea },
-		{ OV511_I2C_BUS, 0x28, 0x20 },
-		{ OV511_I2C_BUS, 0x29, 0x00 },
-		{ OV511_I2C_BUS, 0x2a, 0x10 },
-		{ OV511_I2C_BUS, 0x2b, 0x00 },
-		{ OV511_I2C_BUS, 0x2c, 0x88 },
-		{ OV511_I2C_BUS, 0x2d, 0x91 },
-		{ OV511_I2C_BUS, 0x2e, 0x80 },
-		{ OV511_I2C_BUS, 0x2f, 0x44 },
-		{ OV511_I2C_BUS, 0x60, 0x27 },
-		{ OV511_I2C_BUS, 0x61, 0x02 },
-		{ OV511_I2C_BUS, 0x62, 0x5f },
-		{ OV511_I2C_BUS, 0x63, 0xd5 },
-		{ OV511_I2C_BUS, 0x64, 0x57 },
-		{ OV511_I2C_BUS, 0x65, 0x83 },
-		{ OV511_I2C_BUS, 0x66, 0x55 },
-		{ OV511_I2C_BUS, 0x67, 0x92 },
-		{ OV511_I2C_BUS, 0x68, 0xcf },
-		{ OV511_I2C_BUS, 0x69, 0x76 },
-		{ OV511_I2C_BUS, 0x6a, 0x22 },
-		{ OV511_I2C_BUS, 0x6b, 0x00 },
-		{ OV511_I2C_BUS, 0x6c, 0x02 },
-		{ OV511_I2C_BUS, 0x6d, 0x44 },
-		{ OV511_I2C_BUS, 0x6e, 0x80 },
-		{ OV511_I2C_BUS, 0x6f, 0x1d },
-		{ OV511_I2C_BUS, 0x70, 0x8b },
-		{ OV511_I2C_BUS, 0x71, 0x00 },
-		{ OV511_I2C_BUS, 0x72, 0x14 },
-		{ OV511_I2C_BUS, 0x73, 0x54 },
-		{ OV511_I2C_BUS, 0x74, 0x00 },
-		{ OV511_I2C_BUS, 0x75, 0x8e },
-		{ OV511_I2C_BUS, 0x76, 0x00 },
-		{ OV511_I2C_BUS, 0x77, 0xff },
-		{ OV511_I2C_BUS, 0x78, 0x80 },
-		{ OV511_I2C_BUS, 0x79, 0x80 },
-		{ OV511_I2C_BUS, 0x7a, 0x80 },
-		{ OV511_I2C_BUS, 0x7b, 0xe2 },
-		{ OV511_I2C_BUS, 0x7c, 0x00 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-	PDEBUG(4, "starting configuration");
-
-	/* This looks redundant, but is necessary for WebCam 3 */
-	ov->primary_i2c_slave = OV7xx0_SID;
-	if (ov51x_set_slave_ids(ov, OV7xx0_SID) < 0)
-		return -1;
-
-	if (init_ov_sensor(ov) >= 0) {
-		PDEBUG(1, "OV7xx0 sensor initalized (method 1)");
-	} else {
-		/* Reset the 76xx */
-		if (i2c_w(ov, 0x12, 0x80) < 0)
-			return -1;
-
-		/* Wait for it to initialize */
-		msleep(150);
-
-		i = 0;
-		success = 0;
-		while (i <= i2c_detect_tries) {
-			if ((i2c_r(ov, OV7610_REG_ID_HIGH) == 0x7F) &&
-			    (i2c_r(ov, OV7610_REG_ID_LOW) == 0xA2)) {
-				success = 1;
-				break;
-			} else {
-				i++;
-			}
-		}
-
-// Was (i == i2c_detect_tries) previously. This obviously used to always report
-// success. Whether anyone actually depended on that bug is unknown
-		if ((i >= i2c_detect_tries) && (success == 0)) {
-			err("Failed to read sensor ID. You might not have an");
-			err("OV7610/20, or it may be not responding. Report");
-			err("this to " EMAIL);
-			err("This is only a warning. You can attempt to use");
-			err("your camera anyway");
-// Only issue a warning for now
-//			return -1;
-		} else {
-			PDEBUG(1, "OV7xx0 initialized (method 2, %dx)", i+1);
-		}
-	}
-
-	/* Detect sensor (sub)type */
-	rc = i2c_r(ov, OV7610_REG_COM_I);
-
-	if (rc < 0) {
-		err("Error detecting sensor type");
-		return -1;
-	} else if ((rc & 3) == 3) {
-		dev_info(&ov->dev->dev, "Sensor is an OV7610\n");
-		ov->sensor = SEN_OV7610;
-	} else if ((rc & 3) == 1) {
-		/* I don't know what's different about the 76BE yet. */
-		if (i2c_r(ov, 0x15) & 1)
-			dev_info(&ov->dev->dev, "Sensor is an OV7620AE\n");
-		else
-			dev_info(&ov->dev->dev, "Sensor is an OV76BE\n");
-
-		/* OV511+ will return all zero isoc data unless we
-		 * configure the sensor as a 7620. Someone needs to
-		 * find the exact reg. setting that causes this. */
-		if (ov->bridge == BRG_OV511PLUS) {
-			dev_info(&ov->dev->dev,
-				 "Enabling 511+/7620AE workaround\n");
-			ov->sensor = SEN_OV7620;
-		} else {
-			ov->sensor = SEN_OV76BE;
-		}
-	} else if ((rc & 3) == 0) {
-		dev_info(&ov->dev->dev, "Sensor is an OV7620\n");
-		ov->sensor = SEN_OV7620;
-	} else {
-		err("Unknown image sensor version: %d", rc & 3);
-		return -1;
-	}
-
-	if (ov->sensor == SEN_OV7620) {
-		PDEBUG(4, "Writing 7620 registers");
-		if (write_regvals(ov, aRegvalsNorm7620))
-			return -1;
-	} else {
-		PDEBUG(4, "Writing 7610 registers");
-		if (write_regvals(ov, aRegvalsNorm7610))
-			return -1;
-	}
-
-	/* Set sensor-specific vars */
-	ov->maxwidth = 640;
-	ov->maxheight = 480;
-	ov->minwidth = 64;
-	ov->minheight = 48;
-
-	// FIXME: These do not match the actual settings yet
-	ov->brightness = 0x80 << 8;
-	ov->contrast = 0x80 << 8;
-	ov->colour = 0x80 << 8;
-	ov->hue = 0x80 << 8;
-
-	return 0;
-}
-
-/* This initializes the OV6620, OV6630, OV6630AE, or OV6630AF sensor. */
-static int
-ov6xx0_configure(struct usb_ov511 *ov)
-{
-	int rc;
-
-	static struct ov511_regvals aRegvalsNorm6x20[] = {
-		{ OV511_I2C_BUS, 0x12, 0x80 }, /* reset */
-		{ OV511_I2C_BUS, 0x11, 0x01 },
-		{ OV511_I2C_BUS, 0x03, 0x60 },
-		{ OV511_I2C_BUS, 0x05, 0x7f }, /* For when autoadjust is off */
-		{ OV511_I2C_BUS, 0x07, 0xa8 },
-		/* The ratio of 0x0c and 0x0d  controls the white point */
-		{ OV511_I2C_BUS, 0x0c, 0x24 },
-		{ OV511_I2C_BUS, 0x0d, 0x24 },
-		{ OV511_I2C_BUS, 0x0f, 0x15 }, /* COMS */
-		{ OV511_I2C_BUS, 0x10, 0x75 }, /* AEC Exposure time */
-		{ OV511_I2C_BUS, 0x12, 0x24 }, /* Enable AGC */
-		{ OV511_I2C_BUS, 0x14, 0x04 },
-		/* 0x16: 0x06 helps frame stability with moving objects */
-		{ OV511_I2C_BUS, 0x16, 0x06 },
-//		{ OV511_I2C_BUS, 0x20, 0x30 }, /* Aperture correction enable */
-		{ OV511_I2C_BUS, 0x26, 0xb2 }, /* BLC enable */
-		/* 0x28: 0x05 Selects RGB format if RGB on */
-		{ OV511_I2C_BUS, 0x28, 0x05 },
-		{ OV511_I2C_BUS, 0x2a, 0x04 }, /* Disable framerate adjust */
-//		{ OV511_I2C_BUS, 0x2b, 0xac }, /* Framerate; Set 2a[7] first */
-		{ OV511_I2C_BUS, 0x2d, 0x99 },
-		{ OV511_I2C_BUS, 0x33, 0xa0 }, /* Color Processing Parameter */
-		{ OV511_I2C_BUS, 0x34, 0xd2 }, /* Max A/D range */
-		{ OV511_I2C_BUS, 0x38, 0x8b },
-		{ OV511_I2C_BUS, 0x39, 0x40 },
-
-		{ OV511_I2C_BUS, 0x3c, 0x39 }, /* Enable AEC mode changing */
-		{ OV511_I2C_BUS, 0x3c, 0x3c }, /* Change AEC mode */
-		{ OV511_I2C_BUS, 0x3c, 0x24 }, /* Disable AEC mode changing */
-
-		{ OV511_I2C_BUS, 0x3d, 0x80 },
-		/* These next two registers (0x4a, 0x4b) are undocumented. They
-		 * control the color balance */
-		{ OV511_I2C_BUS, 0x4a, 0x80 },
-		{ OV511_I2C_BUS, 0x4b, 0x80 },
-		{ OV511_I2C_BUS, 0x4d, 0xd2 }, /* This reduces noise a bit */
-		{ OV511_I2C_BUS, 0x4e, 0xc1 },
-		{ OV511_I2C_BUS, 0x4f, 0x04 },
-// Do 50-53 have any effect?
-// Toggle 0x12[2] off and on here?
-		{ OV511_DONE_BUS, 0x0, 0x00 },	/* END MARKER */
-	};
-
-	static struct ov511_regvals aRegvalsNorm6x30[] = {
-	/*OK*/	{ OV511_I2C_BUS, 0x12, 0x80 }, /* reset */
-		{ OV511_I2C_BUS, 0x11, 0x00 },
-	/*OK*/	{ OV511_I2C_BUS, 0x03, 0x60 },
-	/*0A?*/	{ OV511_I2C_BUS, 0x05, 0x7f }, /* For when autoadjust is off */
-		{ OV511_I2C_BUS, 0x07, 0xa8 },
-		/* The ratio of 0x0c and 0x0d  controls the white point */
-	/*OK*/	{ OV511_I2C_BUS, 0x0c, 0x24 },
-	/*OK*/	{ OV511_I2C_BUS, 0x0d, 0x24 },
-	/*A*/	{ OV511_I2C_BUS, 0x0e, 0x20 },
-//	/*04?*/	{ OV511_I2C_BUS, 0x14, 0x80 },
-		{ OV511_I2C_BUS, 0x16, 0x03 },
-//	/*OK*/	{ OV511_I2C_BUS, 0x20, 0x30 }, /* Aperture correction enable */
-		// 21 & 22? The suggested values look wrong. Go with default
-	/*A*/	{ OV511_I2C_BUS, 0x23, 0xc0 },
-	/*A*/	{ OV511_I2C_BUS, 0x25, 0x9a }, // Check this against default
-//	/*OK*/	{ OV511_I2C_BUS, 0x26, 0xb2 }, /* BLC enable */
-
-		/* 0x28: 0x05 Selects RGB format if RGB on */
-//	/*04?*/	{ OV511_I2C_BUS, 0x28, 0x05 },
-//	/*04?*/	{ OV511_I2C_BUS, 0x28, 0x45 }, // DEBUG: Tristate UV bus
-
-	/*OK*/	{ OV511_I2C_BUS, 0x2a, 0x04 }, /* Disable framerate adjust */
-//	/*OK*/	{ OV511_I2C_BUS, 0x2b, 0xac }, /* Framerate; Set 2a[7] first */
-		{ OV511_I2C_BUS, 0x2d, 0x99 },
-//	/*A*/	{ OV511_I2C_BUS, 0x33, 0x26 }, // Reserved bits on 6620
-//	/*d2?*/	{ OV511_I2C_BUS, 0x34, 0x03 }, /* Max A/D range */
-//	/*8b?*/	{ OV511_I2C_BUS, 0x38, 0x83 },
-//	/*40?*/	{ OV511_I2C_BUS, 0x39, 0xc0 }, // 6630 adds bit 7
-//		{ OV511_I2C_BUS, 0x3c, 0x39 }, /* Enable AEC mode changing */
-//		{ OV511_I2C_BUS, 0x3c, 0x3c }, /* Change AEC mode */
-//		{ OV511_I2C_BUS, 0x3c, 0x24 }, /* Disable AEC mode changing */
-		{ OV511_I2C_BUS, 0x3d, 0x80 },
-//	/*A*/	{ OV511_I2C_BUS, 0x3f, 0x0e },
-
-		/* These next two registers (0x4a, 0x4b) are undocumented. They
-		 * control the color balance */
-//	/*OK?*/	{ OV511_I2C_BUS, 0x4a, 0x80 }, // Check these
-//	/*OK?*/	{ OV511_I2C_BUS, 0x4b, 0x80 },
-		{ OV511_I2C_BUS, 0x4d, 0x10 }, /* U = 0.563u, V = 0.714v */
-	/*c1?*/	{ OV511_I2C_BUS, 0x4e, 0x40 },
-
-		/* UV average mode, color killer: strongest */
-		{ OV511_I2C_BUS, 0x4f, 0x07 },
-
-		{ OV511_I2C_BUS, 0x54, 0x23 }, /* Max AGC gain: 18dB */
-		{ OV511_I2C_BUS, 0x57, 0x81 }, /* (default) */
-		{ OV511_I2C_BUS, 0x59, 0x01 }, /* AGC dark current comp: +1 */
-		{ OV511_I2C_BUS, 0x5a, 0x2c }, /* (undocumented) */
-		{ OV511_I2C_BUS, 0x5b, 0x0f }, /* AWB chrominance levels */
-//		{ OV511_I2C_BUS, 0x5c, 0x10 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },	/* END MARKER */
-	};
-
-	PDEBUG(4, "starting sensor configuration");
-
-	if (init_ov_sensor(ov) < 0) {
-		err("Failed to read sensor ID. You might not have an OV6xx0,");
-		err("or it may be not responding. Report this to " EMAIL);
-		return -1;
-	} else {
-		PDEBUG(1, "OV6xx0 sensor detected");
-	}
-
-	/* Detect sensor (sub)type */
-	rc = i2c_r(ov, OV7610_REG_COM_I);
-
-	if (rc < 0) {
-		err("Error detecting sensor type");
-		return -1;
-	}
-
-	if ((rc & 3) == 0) {
-		ov->sensor = SEN_OV6630;
-		dev_info(&ov->dev->dev, "Sensor is an OV6630\n");
-	} else if ((rc & 3) == 1) {
-		ov->sensor = SEN_OV6620;
-		dev_info(&ov->dev->dev, "Sensor is an OV6620\n");
-	} else if ((rc & 3) == 2) {
-		ov->sensor = SEN_OV6630;
-		dev_info(&ov->dev->dev, "Sensor is an OV6630AE\n");
-	} else if ((rc & 3) == 3) {
-		ov->sensor = SEN_OV6630;
-		dev_info(&ov->dev->dev, "Sensor is an OV6630AF\n");
-	}
-
-	/* Set sensor-specific vars */
-	ov->maxwidth = 352;
-	ov->maxheight = 288;
-	ov->minwidth = 64;
-	ov->minheight = 48;
-
-	// FIXME: These do not match the actual settings yet
-	ov->brightness = 0x80 << 8;
-	ov->contrast = 0x80 << 8;
-	ov->colour = 0x80 << 8;
-	ov->hue = 0x80 << 8;
-
-	if (ov->sensor == SEN_OV6620) {
-		PDEBUG(4, "Writing 6x20 registers");
-		if (write_regvals(ov, aRegvalsNorm6x20))
-			return -1;
-	} else {
-		PDEBUG(4, "Writing 6x30 registers");
-		if (write_regvals(ov, aRegvalsNorm6x30))
-			return -1;
-	}
-
-	return 0;
-}
-
-/* This initializes the KS0127 and KS0127B video decoders. */
-static int
-ks0127_configure(struct usb_ov511 *ov)
-{
-	int rc;
-
-// FIXME: I don't know how to sync or reset it yet
-#if 0
-	if (ov51x_init_ks_sensor(ov) < 0) {
-		err("Failed to initialize the KS0127");
-		return -1;
-	} else {
-		PDEBUG(1, "KS012x(B) sensor detected");
-	}
-#endif
-
-	/* Detect decoder subtype */
-	rc = i2c_r(ov, 0x00);
-	if (rc < 0) {
-		err("Error detecting sensor type");
-		return -1;
-	} else if (rc & 0x08) {
-		rc = i2c_r(ov, 0x3d);
-		if (rc < 0) {
-			err("Error detecting sensor type");
-			return -1;
-		} else if ((rc & 0x0f) == 0) {
-			dev_info(&ov->dev->dev, "Sensor is a KS0127\n");
-			ov->sensor = SEN_KS0127;
-		} else if ((rc & 0x0f) == 9) {
-			dev_info(&ov->dev->dev, "Sensor is a KS0127B Rev. A\n");
-			ov->sensor = SEN_KS0127B;
-		}
-	} else {
-		err("Error: Sensor is an unsupported KS0122");
-		return -1;
-	}
-
-	/* Set sensor-specific vars */
-	ov->maxwidth = 640;
-	ov->maxheight = 480;
-	ov->minwidth = 64;
-	ov->minheight = 48;
-
-	// FIXME: These do not match the actual settings yet
-	ov->brightness = 0x80 << 8;
-	ov->contrast = 0x80 << 8;
-	ov->colour = 0x80 << 8;
-	ov->hue = 0x80 << 8;
-
-	/* This device is not supported yet. Bail out now... */
-	err("This sensor is not supported yet.");
-	return -1;
-
-	return 0;
-}
-
-/* This initializes the SAA7111A video decoder. */
-static int
-saa7111a_configure(struct usb_ov511 *ov)
-{
-	int rc;
-
-	/* Since there is no register reset command, all registers must be
-	 * written, otherwise gives erratic results */
-	static struct ov511_regvals aRegvalsNormSAA7111A[] = {
-		{ OV511_I2C_BUS, 0x06, 0xce },
-		{ OV511_I2C_BUS, 0x07, 0x00 },
-		{ OV511_I2C_BUS, 0x10, 0x44 }, /* YUV422, 240/286 lines */
-		{ OV511_I2C_BUS, 0x0e, 0x01 }, /* NTSC M or PAL BGHI */
-		{ OV511_I2C_BUS, 0x00, 0x00 },
-		{ OV511_I2C_BUS, 0x01, 0x00 },
-		{ OV511_I2C_BUS, 0x03, 0x23 },
-		{ OV511_I2C_BUS, 0x04, 0x00 },
-		{ OV511_I2C_BUS, 0x05, 0x00 },
-		{ OV511_I2C_BUS, 0x08, 0xc8 }, /* Auto field freq */
-		{ OV511_I2C_BUS, 0x09, 0x01 }, /* Chrom. trap off, APER=0.25 */
-		{ OV511_I2C_BUS, 0x0a, 0x80 }, /* BRIG=128 */
-		{ OV511_I2C_BUS, 0x0b, 0x40 }, /* CONT=1.0 */
-		{ OV511_I2C_BUS, 0x0c, 0x40 }, /* SATN=1.0 */
-		{ OV511_I2C_BUS, 0x0d, 0x00 }, /* HUE=0 */
-		{ OV511_I2C_BUS, 0x0f, 0x00 },
-		{ OV511_I2C_BUS, 0x11, 0x0c },
-		{ OV511_I2C_BUS, 0x12, 0x00 },
-		{ OV511_I2C_BUS, 0x13, 0x00 },
-		{ OV511_I2C_BUS, 0x14, 0x00 },
-		{ OV511_I2C_BUS, 0x15, 0x00 },
-		{ OV511_I2C_BUS, 0x16, 0x00 },
-		{ OV511_I2C_BUS, 0x17, 0x00 },
-		{ OV511_I2C_BUS, 0x02, 0xc0 },	/* Composite input 0 */
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-// FIXME: I don't know how to sync or reset it yet
-#if 0
-	if (ov51x_init_saa_sensor(ov) < 0) {
-		err("Failed to initialize the SAA7111A");
-		return -1;
-	} else {
-		PDEBUG(1, "SAA7111A sensor detected");
-	}
-#endif
-
-	/* 640x480 not supported with PAL */
-	if (ov->pal) {
-		ov->maxwidth = 320;
-		ov->maxheight = 240;		/* Even field only */
-	} else {
-		ov->maxwidth = 640;
-		ov->maxheight = 480;		/* Even/Odd fields */
-	}
-
-	ov->minwidth = 320;
-	ov->minheight = 240;		/* Even field only */
-
-	ov->has_decoder = 1;
-	ov->num_inputs = 8;
-	ov->norm = VIDEO_MODE_AUTO;
-	ov->stop_during_set = 0;	/* Decoder guarantees stable image */
-
-	/* Decoder doesn't change these values, so we use these instead of
-	 * acutally reading the registers (which doesn't work) */
-	ov->brightness = 0x80 << 8;
-	ov->contrast = 0x40 << 9;
-	ov->colour = 0x40 << 9;
-	ov->hue = 32768;
-
-	PDEBUG(4, "Writing SAA7111A registers");
-	if (write_regvals(ov, aRegvalsNormSAA7111A))
-		return -1;
-
-	/* Detect version of decoder. This must be done after writing the
-	 * initial regs or the decoder will lock up. */
-	rc = i2c_r(ov, 0x00);
-
-	if (rc < 0) {
-		err("Error detecting sensor version");
-		return -1;
-	} else {
-		dev_info(&ov->dev->dev,
-			 "Sensor is an SAA7111A (version 0x%x)\n", rc);
-		ov->sensor = SEN_SAA7111A;
-	}
-
-	// FIXME: Fix this for OV518(+)
-	/* Latch to negative edge of clock. Otherwise, we get incorrect
-	 * colors and jitter in the digital signal. */
-	if (ov->bclass == BCL_OV511)
-		reg_w(ov, 0x11, 0x00);
-	else
-		dev_warn(&ov->dev->dev,
-			 "SAA7111A not yet supported with OV518/OV518+\n");
-
-	return 0;
-}
-
-/* This initializes the OV511/OV511+ and the sensor */
-static int
-ov511_configure(struct usb_ov511 *ov)
-{
-	static struct ov511_regvals aRegvalsInit511[] = {
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x7f },
-		{ OV511_REG_BUS, R51x_SYS_INIT,		0x01 },
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x7f },
-		{ OV511_REG_BUS, R51x_SYS_INIT,		0x01 },
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x3f },
-		{ OV511_REG_BUS, R51x_SYS_INIT,		0x01 },
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x3d },
-		{ OV511_DONE_BUS, 0x0, 0x00},
-	};
-
-	static struct ov511_regvals aRegvalsNorm511[] = {
-		{ OV511_REG_BUS, R511_DRAM_FLOW_CTL, 	0x01 },
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x00 },
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x02 },
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x00 },
-		{ OV511_REG_BUS, R511_FIFO_OPTS,	0x1f },
-		{ OV511_REG_BUS, R511_COMP_EN,		0x00 },
-		{ OV511_REG_BUS, R511_COMP_LUT_EN,	0x03 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-	static struct ov511_regvals aRegvalsNorm511Plus[] = {
-		{ OV511_REG_BUS, R511_DRAM_FLOW_CTL,	0xff },
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x00 },
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x02 },
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x00 },
-		{ OV511_REG_BUS, R511_FIFO_OPTS,	0xff },
-		{ OV511_REG_BUS, R511_COMP_EN,		0x00 },
-		{ OV511_REG_BUS, R511_COMP_LUT_EN,	0x03 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-	PDEBUG(4, "");
-
-	ov->customid = reg_r(ov, R511_SYS_CUST_ID);
-	if (ov->customid < 0) {
-		err("Unable to read camera bridge registers");
-		goto error;
-	}
-
-	PDEBUG (1, "CustomID = %d", ov->customid);
-	ov->desc = symbolic(camlist, ov->customid);
-	dev_info(&ov->dev->dev, "model: %s\n", ov->desc);
-
-	if (0 == strcmp(ov->desc, NOT_DEFINED_STR)) {
-		err("Camera type (%d) not recognized", ov->customid);
-		err("Please notify " EMAIL " of the name,");
-		err("manufacturer, model, and this number of your camera.");
-		err("Also include the output of the detection process.");
-	}
-
-	if (ov->customid == 70)		/* USB Life TV (PAL/SECAM) */
-		ov->pal = 1;
-
-	if (write_regvals(ov, aRegvalsInit511))
-		goto error;
-
-	if (ov->led_policy == LED_OFF || ov->led_policy == LED_AUTO)
-		ov51x_led_control(ov, 0);
-
-	/* The OV511+ has undocumented bits in the flow control register.
-	 * Setting it to 0xff fixes the corruption with moving objects. */
-	if (ov->bridge == BRG_OV511) {
-		if (write_regvals(ov, aRegvalsNorm511))
-			goto error;
-	} else if (ov->bridge == BRG_OV511PLUS) {
-		if (write_regvals(ov, aRegvalsNorm511Plus))
-			goto error;
-	} else {
-		err("Invalid bridge");
-	}
-
-	if (ov511_init_compression(ov))
-		goto error;
-
-	ov->packet_numbering = 1;
-	ov511_set_packet_size(ov, 0);
-
-	ov->snap_enabled = snapshot;
-
-	/* Test for 7xx0 */
-	PDEBUG(3, "Testing for 0V7xx0");
-	ov->primary_i2c_slave = OV7xx0_SID;
-	if (ov51x_set_slave_ids(ov, OV7xx0_SID) < 0)
-		goto error;
-
-	if (i2c_w(ov, 0x12, 0x80) < 0) {
-		/* Test for 6xx0 */
-		PDEBUG(3, "Testing for 0V6xx0");
-		ov->primary_i2c_slave = OV6xx0_SID;
-		if (ov51x_set_slave_ids(ov, OV6xx0_SID) < 0)
-			goto error;
-
-		if (i2c_w(ov, 0x12, 0x80) < 0) {
-			/* Test for 8xx0 */
-			PDEBUG(3, "Testing for 0V8xx0");
-			ov->primary_i2c_slave = OV8xx0_SID;
-			if (ov51x_set_slave_ids(ov, OV8xx0_SID) < 0)
-				goto error;
-
-			if (i2c_w(ov, 0x12, 0x80) < 0) {
-				/* Test for SAA7111A */
-				PDEBUG(3, "Testing for SAA7111A");
-				ov->primary_i2c_slave = SAA7111A_SID;
-				if (ov51x_set_slave_ids(ov, SAA7111A_SID) < 0)
-					goto error;
-
-				if (i2c_w(ov, 0x0d, 0x00) < 0) {
-					/* Test for KS0127 */
-					PDEBUG(3, "Testing for KS0127");
-					ov->primary_i2c_slave = KS0127_SID;
-					if (ov51x_set_slave_ids(ov, KS0127_SID) < 0)
-						goto error;
-
-					if (i2c_w(ov, 0x10, 0x00) < 0) {
-						err("Can't determine sensor slave IDs");
-						goto error;
-					} else {
-						if (ks0127_configure(ov) < 0) {
-							err("Failed to configure KS0127");
-							goto error;
-						}
-					}
-				} else {
-					if (saa7111a_configure(ov) < 0) {
-						err("Failed to configure SAA7111A");
-						goto error;
-					}
-				}
-			} else {
-				err("Detected unsupported OV8xx0 sensor");
-				goto error;
-			}
-		} else {
-			if (ov6xx0_configure(ov) < 0) {
-				err("Failed to configure OV6xx0");
-				goto error;
-			}
-		}
-	} else {
-		if (ov7xx0_configure(ov) < 0) {
-			err("Failed to configure OV7xx0");
-			goto error;
-		}
-	}
-
-	return 0;
-
-error:
-	err("OV511 Config failed");
-
-	return -EBUSY;
-}
-
-/* This initializes the OV518/OV518+ and the sensor */
-static int
-ov518_configure(struct usb_ov511 *ov)
-{
-	/* For 518 and 518+ */
-	static struct ov511_regvals aRegvalsInit518[] = {
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x40 },
-		{ OV511_REG_BUS, R51x_SYS_INIT,		0xe1 },
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x3e },
-		{ OV511_REG_BUS, R51x_SYS_INIT,		0xe1 },
-		{ OV511_REG_BUS, R51x_SYS_RESET,	0x00 },
-		{ OV511_REG_BUS, R51x_SYS_INIT,		0xe1 },
-		{ OV511_REG_BUS, 0x46,			0x00 },
-		{ OV511_REG_BUS, 0x5d,			0x03 },
-		{ OV511_DONE_BUS, 0x0, 0x00},
-	};
-
-	static struct ov511_regvals aRegvalsNorm518[] = {
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x02 }, /* Reset */
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x01 }, /* Enable */
-		{ OV511_REG_BUS, 0x31, 			0x0f },
-		{ OV511_REG_BUS, 0x5d,			0x03 },
-		{ OV511_REG_BUS, 0x24,			0x9f },
-		{ OV511_REG_BUS, 0x25,			0x90 },
-		{ OV511_REG_BUS, 0x20,			0x00 },
-		{ OV511_REG_BUS, 0x51,			0x04 },
-		{ OV511_REG_BUS, 0x71,			0x19 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-	static struct ov511_regvals aRegvalsNorm518Plus[] = {
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x02 }, /* Reset */
-		{ OV511_REG_BUS, R51x_SYS_SNAP,		0x01 }, /* Enable */
-		{ OV511_REG_BUS, 0x31, 			0x0f },
-		{ OV511_REG_BUS, 0x5d,			0x03 },
-		{ OV511_REG_BUS, 0x24,			0x9f },
-		{ OV511_REG_BUS, 0x25,			0x90 },
-		{ OV511_REG_BUS, 0x20,			0x60 },
-		{ OV511_REG_BUS, 0x51,			0x02 },
-		{ OV511_REG_BUS, 0x71,			0x19 },
-		{ OV511_REG_BUS, 0x40,			0xff },
-		{ OV511_REG_BUS, 0x41,			0x42 },
-		{ OV511_REG_BUS, 0x46,			0x00 },
-		{ OV511_REG_BUS, 0x33,			0x04 },
-		{ OV511_REG_BUS, 0x21,			0x19 },
-		{ OV511_REG_BUS, 0x3f,			0x10 },
-		{ OV511_DONE_BUS, 0x0, 0x00 },
-	};
-
-	PDEBUG(4, "");
-
-	/* First 5 bits of custom ID reg are a revision ID on OV518 */
-	dev_info(&ov->dev->dev, "Device revision %d\n",
-		 0x1F & reg_r(ov, R511_SYS_CUST_ID));
-
-	/* Give it the default description */
-	ov->desc = symbolic(camlist, 0);
-
-	if (write_regvals(ov, aRegvalsInit518))
-		goto error;
-
-	/* Set LED GPIO pin to output mode */
-	if (reg_w_mask(ov, 0x57, 0x00, 0x02) < 0)
-		goto error;
-
-	/* LED is off by default with OV518; have to explicitly turn it on */
-	if (ov->led_policy == LED_OFF || ov->led_policy == LED_AUTO)
-		ov51x_led_control(ov, 0);
-	else
-		ov51x_led_control(ov, 1);
-
-	/* Don't require compression if dumppix is enabled; otherwise it's
-	 * required. OV518 has no uncompressed mode, to save RAM. */
-	if (!dumppix && !ov->compress) {
-		ov->compress = 1;
-		dev_warn(&ov->dev->dev,
-			 "Compression required with OV518...enabling\n");
-	}
-
-	if (ov->bridge == BRG_OV518) {
-		if (write_regvals(ov, aRegvalsNorm518))
-			goto error;
-	} else if (ov->bridge == BRG_OV518PLUS) {
-		if (write_regvals(ov, aRegvalsNorm518Plus))
-			goto error;
-	} else {
-		err("Invalid bridge");
-	}
-
-	if (reg_w(ov, 0x2f, 0x80) < 0)
-		goto error;
-
-	if (ov518_init_compression(ov))
-		goto error;
-
-	if (ov->bridge == BRG_OV518)
-	{
-		struct usb_interface *ifp;
-		struct usb_host_interface *alt;
-		__u16 mxps = 0;
-
-		ifp = usb_ifnum_to_if(ov->dev, 0);
-		if (ifp) {
-			alt = usb_altnum_to_altsetting(ifp, 7);
-			if (alt)
-				mxps = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
-		}
-
-		/* Some OV518s have packet numbering by default, some don't */
-		if (mxps == 897)
-			ov->packet_numbering = 1;
-		else
-			ov->packet_numbering = 0;
-	} else {
-		/* OV518+ has packet numbering turned on by default */
-		ov->packet_numbering = 1;
-	}
-
-	ov518_set_packet_size(ov, 0);
-
-	ov->snap_enabled = snapshot;
-
-	/* Test for 76xx */
-	ov->primary_i2c_slave = OV7xx0_SID;
-	if (ov51x_set_slave_ids(ov, OV7xx0_SID) < 0)
-		goto error;
-
-	/* The OV518 must be more aggressive about sensor detection since
-	 * I2C write will never fail if the sensor is not present. We have
-	 * to try to initialize the sensor to detect its presence */
-
-	if (init_ov_sensor(ov) < 0) {
-		/* Test for 6xx0 */
-		ov->primary_i2c_slave = OV6xx0_SID;
-		if (ov51x_set_slave_ids(ov, OV6xx0_SID) < 0)
-			goto error;
-
-		if (init_ov_sensor(ov) < 0) {
-			/* Test for 8xx0 */
-			ov->primary_i2c_slave = OV8xx0_SID;
-			if (ov51x_set_slave_ids(ov, OV8xx0_SID) < 0)
-				goto error;
-
-			if (init_ov_sensor(ov) < 0) {
-				err("Can't determine sensor slave IDs");
-				goto error;
-			} else {
-				err("Detected unsupported OV8xx0 sensor");
-				goto error;
-			}
-		} else {
-			if (ov6xx0_configure(ov) < 0) {
-				err("Failed to configure OV6xx0");
-				goto error;
-			}
-		}
-	} else {
-		if (ov7xx0_configure(ov) < 0) {
-			err("Failed to configure OV7xx0");
-			goto error;
-		}
-	}
-
-	ov->maxwidth = 352;
-	ov->maxheight = 288;
-
-	// The OV518 cannot go as low as the sensor can
-	ov->minwidth = 160;
-	ov->minheight = 120;
-
-	return 0;
-
-error:
-	err("OV518 Config failed");
-
-	return -EBUSY;
-}
-
-/****************************************************************************
- *  sysfs
- ***************************************************************************/
-
-static inline struct usb_ov511 *cd_to_ov(struct device *cd)
-{
-	struct video_device *vdev = to_video_device(cd);
-	return video_get_drvdata(vdev);
-}
-
-static ssize_t show_custom_id(struct device *cd,
-			      struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	return sprintf(buf, "%d\n", ov->customid);
-}
-static DEVICE_ATTR(custom_id, S_IRUGO, show_custom_id, NULL);
-
-static ssize_t show_model(struct device *cd,
-			  struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	return sprintf(buf, "%s\n", ov->desc);
-}
-static DEVICE_ATTR(model, S_IRUGO, show_model, NULL);
-
-static ssize_t show_bridge(struct device *cd,
-			   struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	return sprintf(buf, "%s\n", symbolic(brglist, ov->bridge));
-}
-static DEVICE_ATTR(bridge, S_IRUGO, show_bridge, NULL);
-
-static ssize_t show_sensor(struct device *cd,
-			   struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	return sprintf(buf, "%s\n", symbolic(senlist, ov->sensor));
-}
-static DEVICE_ATTR(sensor, S_IRUGO, show_sensor, NULL);
-
-static ssize_t show_brightness(struct device *cd,
-			       struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	unsigned short x;
-
-	if (!ov->dev)
-		return -ENODEV;
-	sensor_get_brightness(ov, &x);
-	return sprintf(buf, "%d\n", x >> 8);
-}
-static DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL);
-
-static ssize_t show_saturation(struct device *cd,
-			       struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	unsigned short x;
-
-	if (!ov->dev)
-		return -ENODEV;
-	sensor_get_saturation(ov, &x);
-	return sprintf(buf, "%d\n", x >> 8);
-}
-static DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL);
-
-static ssize_t show_contrast(struct device *cd,
-			     struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	unsigned short x;
-
-	if (!ov->dev)
-		return -ENODEV;
-	sensor_get_contrast(ov, &x);
-	return sprintf(buf, "%d\n", x >> 8);
-}
-static DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL);
-
-static ssize_t show_hue(struct device *cd,
-			struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	unsigned short x;
-
-	if (!ov->dev)
-		return -ENODEV;
-	sensor_get_hue(ov, &x);
-	return sprintf(buf, "%d\n", x >> 8);
-}
-static DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL);
-
-static ssize_t show_exposure(struct device *cd,
-			     struct device_attribute *attr, char *buf)
-{
-	struct usb_ov511 *ov = cd_to_ov(cd);
-	unsigned char exp = 0;
-
-	if (!ov->dev)
-		return -ENODEV;
-	sensor_get_exposure(ov, &exp);
-	return sprintf(buf, "%d\n", exp);
-}
-static DEVICE_ATTR(exposure, S_IRUGO, show_exposure, NULL);
-
-static int ov_create_sysfs(struct video_device *vdev)
-{
-	int rc;
-
-	rc = device_create_file(&vdev->dev, &dev_attr_custom_id);
-	if (rc) goto err;
-	rc = device_create_file(&vdev->dev, &dev_attr_model);
-	if (rc) goto err_id;
-	rc = device_create_file(&vdev->dev, &dev_attr_bridge);
-	if (rc) goto err_model;
-	rc = device_create_file(&vdev->dev, &dev_attr_sensor);
-	if (rc) goto err_bridge;
-	rc = device_create_file(&vdev->dev, &dev_attr_brightness);
-	if (rc) goto err_sensor;
-	rc = device_create_file(&vdev->dev, &dev_attr_saturation);
-	if (rc) goto err_bright;
-	rc = device_create_file(&vdev->dev, &dev_attr_contrast);
-	if (rc) goto err_sat;
-	rc = device_create_file(&vdev->dev, &dev_attr_hue);
-	if (rc) goto err_contrast;
-	rc = device_create_file(&vdev->dev, &dev_attr_exposure);
-	if (rc) goto err_hue;
-
-	return 0;
-
-err_hue:
-	device_remove_file(&vdev->dev, &dev_attr_hue);
-err_contrast:
-	device_remove_file(&vdev->dev, &dev_attr_contrast);
-err_sat:
-	device_remove_file(&vdev->dev, &dev_attr_saturation);
-err_bright:
-	device_remove_file(&vdev->dev, &dev_attr_brightness);
-err_sensor:
-	device_remove_file(&vdev->dev, &dev_attr_sensor);
-err_bridge:
-	device_remove_file(&vdev->dev, &dev_attr_bridge);
-err_model:
-	device_remove_file(&vdev->dev, &dev_attr_model);
-err_id:
-	device_remove_file(&vdev->dev, &dev_attr_custom_id);
-err:
-	return rc;
-}
-
-/****************************************************************************
- *  USB routines
- ***************************************************************************/
-
-static int
-ov51x_probe(struct usb_interface *intf, const struct usb_device_id *id)
-{
-	struct usb_device *dev = interface_to_usbdev(intf);
-	struct usb_interface_descriptor *idesc;
-	struct usb_ov511 *ov;
-	int i, rc, nr;
-
-	PDEBUG(1, "probing for device...");
-
-	/* We don't handle multi-config cameras */
-	if (dev->descriptor.bNumConfigurations != 1)
-		return -ENODEV;
-
-	idesc = &intf->cur_altsetting->desc;
-
-	if (idesc->bInterfaceClass != 0xFF)
-		return -ENODEV;
-	if (idesc->bInterfaceSubClass != 0x00)
-		return -ENODEV;
-
-	if ((ov = kzalloc(sizeof(*ov), GFP_KERNEL)) == NULL) {
-		err("couldn't kmalloc ov struct");
-		goto error_out;
-	}
-
-	ov->dev = dev;
-	ov->iface = idesc->bInterfaceNumber;
-	ov->led_policy = led;
-	ov->compress = compress;
-	ov->lightfreq = lightfreq;
-	ov->num_inputs = 1;	   /* Video decoder init functs. change this */
-	ov->stop_during_set = !fastset;
-	ov->backlight = backlight;
-	ov->mirror = mirror;
-	ov->auto_brt = autobright;
-	ov->auto_gain = autogain;
-	ov->auto_exp = autoexp;
-
-	switch (le16_to_cpu(dev->descriptor.idProduct)) {
-	case PROD_OV511:
-		ov->bridge = BRG_OV511;
-		ov->bclass = BCL_OV511;
-		break;
-	case PROD_OV511PLUS:
-		ov->bridge = BRG_OV511PLUS;
-		ov->bclass = BCL_OV511;
-		break;
-	case PROD_OV518:
-		ov->bridge = BRG_OV518;
-		ov->bclass = BCL_OV518;
-		break;
-	case PROD_OV518PLUS:
-		ov->bridge = BRG_OV518PLUS;
-		ov->bclass = BCL_OV518;
-		break;
-	case PROD_ME2CAM:
-		if (le16_to_cpu(dev->descriptor.idVendor) != VEND_MATTEL)
-			goto error;
-		ov->bridge = BRG_OV511PLUS;
-		ov->bclass = BCL_OV511;
-		break;
-	default:
-		err("Unknown product ID 0x%04x", le16_to_cpu(dev->descriptor.idProduct));
-		goto error;
-	}
-
-	dev_info(&intf->dev, "USB %s video device found\n",
-		 symbolic(brglist, ov->bridge));
-
-	init_waitqueue_head(&ov->wq);
-
-	mutex_init(&ov->lock);	/* to 1 == available */
-	mutex_init(&ov->buf_lock);
-	mutex_init(&ov->i2c_lock);
-	mutex_init(&ov->cbuf_lock);
-
-	ov->buf_state = BUF_NOT_ALLOCATED;
-
-	if (usb_make_path(dev, ov->usb_path, OV511_USB_PATH_LEN) < 0) {
-		err("usb_make_path error");
-		goto error;
-	}
-
-	/* Allocate control transfer buffer. */
-	/* Must be kmalloc()'ed, for DMA compatibility */
-	ov->cbuf = kmalloc(OV511_CBUF_SIZE, GFP_KERNEL);
-	if (!ov->cbuf)
-		goto error;
-
-	if (ov->bclass == BCL_OV518) {
-		if (ov518_configure(ov) < 0)
-			goto error;
-	} else {
-		if (ov511_configure(ov) < 0)
-			goto error;
-	}
-
-	for (i = 0; i < OV511_NUMFRAMES; i++) {
-		ov->frame[i].framenum = i;
-		init_waitqueue_head(&ov->frame[i].wq);
-	}
-
-	for (i = 0; i < OV511_NUMSBUF; i++) {
-		ov->sbuf[i].ov = ov;
-		spin_lock_init(&ov->sbuf[i].lock);
-		ov->sbuf[i].n = i;
-	}
-
-	/* Unnecessary? (This is done on open(). Need to make sure variables
-	 * are properly initialized without this before removing it, though). */
-	if (ov51x_set_default_params(ov) < 0)
-		goto error;
-
-#ifdef OV511_DEBUG
-	if (dump_bridge) {
-		if (ov->bclass == BCL_OV511)
-			ov511_dump_regs(ov);
-		else
-			ov518_dump_regs(ov);
-	}
-#endif
-
-	ov->vdev = video_device_alloc();
-	if (!ov->vdev)
-		goto error;
-
-	memcpy(ov->vdev, &vdev_template, sizeof(*ov->vdev));
-	ov->vdev->parent = &intf->dev;
-	video_set_drvdata(ov->vdev, ov);
-
-	mutex_lock(&ov->lock);
-
-	/* Check to see next free device and mark as used */
-	nr = find_first_zero_bit(&ov511_devused, OV511_MAX_UNIT_VIDEO);
-
-	/* Registers device */
-	if (unit_video[nr] != 0)
-		rc = video_register_device(ov->vdev, VFL_TYPE_GRABBER,
-					   unit_video[nr]);
-	else
-		rc = video_register_device(ov->vdev, VFL_TYPE_GRABBER, -1);
-
-	if (rc < 0) {
-		err("video_register_device failed");
-		mutex_unlock(&ov->lock);
-		goto error;
-	}
-
-	/* Mark device as used */
-	ov511_devused |= 1 << nr;
-	ov->nr = nr;
-
-	dev_info(&intf->dev, "Device at %s registered to %s\n",
-		 ov->usb_path, video_device_node_name(ov->vdev));
-
-	usb_set_intfdata(intf, ov);
-	if (ov_create_sysfs(ov->vdev)) {
-		err("ov_create_sysfs failed");
-		ov511_devused &= ~(1 << nr);
-		mutex_unlock(&ov->lock);
-		goto error;
-	}
-
-	mutex_unlock(&ov->lock);
-
-	return 0;
-
-error:
-	if (ov->vdev) {
-		if (!video_is_registered(ov->vdev))
-			video_device_release(ov->vdev);
-		else
-			video_unregister_device(ov->vdev);
-		ov->vdev = NULL;
-	}
-
-	if (ov->cbuf) {
-		mutex_lock(&ov->cbuf_lock);
-		kfree(ov->cbuf);
-		ov->cbuf = NULL;
-		mutex_unlock(&ov->cbuf_lock);
-	}
-
-	kfree(ov);
-	ov = NULL;
-
-error_out:
-	err("Camera initialization failed");
-	return -EIO;
-}
-
-static void
-ov51x_disconnect(struct usb_interface *intf)
-{
-	struct usb_ov511 *ov = usb_get_intfdata(intf);
-	int n;
-
-	PDEBUG(3, "");
-
-	mutex_lock(&ov->lock);
-	usb_set_intfdata (intf, NULL);
-
-	/* Free device number */
-	ov511_devused &= ~(1 << ov->nr);
-
-	if (ov->vdev)
-		video_unregister_device(ov->vdev);
-
-	for (n = 0; n < OV511_NUMFRAMES; n++)
-		ov->frame[n].grabstate = FRAME_ERROR;
-
-	ov->curframe = -1;
-
-	/* This will cause the process to request another frame */
-	for (n = 0; n < OV511_NUMFRAMES; n++)
-		wake_up_interruptible(&ov->frame[n].wq);
-
-	wake_up_interruptible(&ov->wq);
-
-	ov->streaming = 0;
-	ov51x_unlink_isoc(ov);
-	mutex_unlock(&ov->lock);
-
-	ov->dev = NULL;
-
-	/* Free the memory */
-	if (!ov->user) {
-		mutex_lock(&ov->cbuf_lock);
-		kfree(ov->cbuf);
-		ov->cbuf = NULL;
-		mutex_unlock(&ov->cbuf_lock);
-
-		ov51x_dealloc(ov);
-		kfree(ov);
-		ov = NULL;
-	}
-
-	PDEBUG(3, "Disconnect complete");
-}
-
-static struct usb_driver ov511_driver = {
-	.name =		"ov511",
-	.id_table =	device_table,
-	.probe =	ov51x_probe,
-	.disconnect =	ov51x_disconnect
-};
-
-/****************************************************************************
- *
- *  Module routines
- *
- ***************************************************************************/
-
-static int __init
-usb_ov511_init(void)
-{
-	int retval;
-
-	retval = usb_register(&ov511_driver);
-	if (retval)
-		goto out;
-
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
-	       DRIVER_DESC "\n");
-
-out:
-	return retval;
-}
-
-static void __exit
-usb_ov511_exit(void)
-{
-	usb_deregister(&ov511_driver);
-	printk(KERN_INFO KBUILD_MODNAME ": driver deregistered\n");
-}
-
-module_init(usb_ov511_init);
-module_exit(usb_ov511_exit);
-

drivers/media/video/ov511.h

@@ -1,573 +0,0 @@
-#ifndef __LINUX_OV511_H
-#define __LINUX_OV511_H
-
-#include <asm/uaccess.h>
-#include <linux/videodev.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include <linux/usb.h>
-#include <linux/mutex.h>
-
-#define OV511_DEBUG	/* Turn on debug messages */
-
-#ifdef OV511_DEBUG
-	#define PDEBUG(level, fmt, args...) \
-		if (debug >= (level))	\
-			printk(KERN_INFO KBUILD_MODNAME "[%s:%d] \n" fmt, \
-		__func__, __LINE__ , ## args)
-#else
-	#define PDEBUG(level, fmt, args...) do {} while(0)
-#endif
-
-/* This macro restricts an int variable to an inclusive range */
-#define RESTRICT_TO_RANGE(v,mi,ma) { \
-	if ((v) < (mi)) (v) = (mi); \
-	else if ((v) > (ma)) (v) = (ma); \
-}
-
-/* --------------------------------- */
-/* DEFINES FOR OV511 AND OTHER CHIPS */
-/* --------------------------------- */
-
-/* USB IDs */
-#define VEND_OMNIVISION	0x05A9
-#define PROD_OV511	0x0511
-#define PROD_OV511PLUS	0xA511
-#define PROD_OV518	0x0518
-#define PROD_OV518PLUS	0xA518
-
-#define VEND_MATTEL	0x0813
-#define PROD_ME2CAM	0x0002
-
-/* --------------------------------- */
-/*     OV51x REGISTER MNEMONICS      */
-/* --------------------------------- */
-
-/* Camera interface register numbers */
-#define R511_CAM_DELAY		0x10
-#define R511_CAM_EDGE		0x11
-#define R511_CAM_PXCNT		0x12
-#define R511_CAM_LNCNT		0x13
-#define R511_CAM_PXDIV		0x14
-#define R511_CAM_LNDIV		0x15
-#define R511_CAM_UV_EN		0x16
-#define R511_CAM_LINE_MODE	0x17
-#define R511_CAM_OPTS		0x18
-
-/* Snapshot mode camera interface register numbers */
-#define R511_SNAP_FRAME		0x19
-#define R511_SNAP_PXCNT		0x1A
-#define R511_SNAP_LNCNT		0x1B
-#define R511_SNAP_PXDIV		0x1C
-#define R511_SNAP_LNDIV		0x1D
-#define R511_SNAP_UV_EN		0x1E
-#define R511_SNAP_OPTS		0x1F
-
-/* DRAM register numbers */
-#define R511_DRAM_FLOW_CTL	0x20
-#define R511_DRAM_ARCP		0x21
-#define R511_DRAM_MRC		0x22
-#define R511_DRAM_RFC		0x23
-
-/* ISO FIFO register numbers */
-#define R51x_FIFO_PSIZE		0x30	/* 2 bytes wide w/ OV518(+) */
-#define R511_FIFO_OPTS		0x31
-
-/* Parallel IO register numbers */
-#define R511_PIO_OPTS		0x38
-#define R511_PIO_DATA		0x39
-#define R511_PIO_BIST		0x3E
-#define R518_GPIO_IN		0x55	/* OV518(+) only */
-#define R518_GPIO_OUT		0x56	/* OV518(+) only */
-#define R518_GPIO_CTL		0x57	/* OV518(+) only */
-#define R518_GPIO_PULSE_IN	0x58	/* OV518(+) only */
-#define R518_GPIO_PULSE_CLEAR	0x59	/* OV518(+) only */
-#define R518_GPIO_PULSE_POL	0x5a	/* OV518(+) only */
-#define R518_GPIO_PULSE_EN	0x5b	/* OV518(+) only */
-#define R518_GPIO_RESET		0x5c	/* OV518(+) only */
-
-/* I2C registers */
-#define R511_I2C_CTL		0x40
-#define R518_I2C_CTL		0x47	/* OV518(+) only */
-#define R51x_I2C_W_SID		0x41
-#define R51x_I2C_SADDR_3	0x42
-#define R51x_I2C_SADDR_2	0x43
-#define R51x_I2C_R_SID		0x44
-#define R51x_I2C_DATA		0x45
-#define R51x_I2C_CLOCK		0x46
-#define R51x_I2C_TIMEOUT	0x47
-
-/* I2C snapshot registers */
-#define R511_SI2C_SADDR_3	0x48
-#define R511_SI2C_DATA		0x49
-
-/* System control registers */
-#define R51x_SYS_RESET		0x50
-		/* Reset type definitions */
-#define 	OV511_RESET_UDC		0x01
-#define 	OV511_RESET_I2C		0x02
-#define 	OV511_RESET_FIFO	0x04
-#define 	OV511_RESET_OMNICE	0x08
-#define 	OV511_RESET_DRAM	0x10
-#define 	OV511_RESET_CAM_INT	0x20
-#define 	OV511_RESET_OV511	0x40
-#define 	OV511_RESET_NOREGS	0x3F /* All but OV511 & regs */
-#define 	OV511_RESET_ALL		0x7F
-
-#define R511_SYS_CLOCK_DIV	0x51
-#define R51x_SYS_SNAP		0x52
-#define R51x_SYS_INIT         	0x53
-#define R511_SYS_PWR_CLK	0x54 /* OV511+/OV518(+) only */
-#define R511_SYS_LED_CTL	0x55 /* OV511+ only */
-#define R511_SYS_USER		0x5E
-#define R511_SYS_CUST_ID	0x5F
-
-/* OmniCE (compression) registers */
-#define R511_COMP_PHY		0x70
-#define R511_COMP_PHUV		0x71
-#define R511_COMP_PVY		0x72
-#define R511_COMP_PVUV		0x73
-#define R511_COMP_QHY		0x74
-#define R511_COMP_QHUV		0x75
-#define R511_COMP_QVY		0x76
-#define R511_COMP_QVUV		0x77
-#define R511_COMP_EN		0x78
-#define R511_COMP_LUT_EN	0x79
-#define R511_COMP_LUT_BEGIN	0x80
-
-/* --------------------------------- */
-/*         ALTERNATE NUMBERS         */
-/* --------------------------------- */
-
-/* Alternate numbers for various max packet sizes (OV511 only) */
-#define OV511_ALT_SIZE_992	0
-#define OV511_ALT_SIZE_993	1
-#define OV511_ALT_SIZE_768	2
-#define OV511_ALT_SIZE_769	3
-#define OV511_ALT_SIZE_512	4
-#define OV511_ALT_SIZE_513	5
-#define OV511_ALT_SIZE_257	6
-#define OV511_ALT_SIZE_0	7
-
-/* Alternate numbers for various max packet sizes (OV511+ only) */
-#define OV511PLUS_ALT_SIZE_0	0
-#define OV511PLUS_ALT_SIZE_33	1
-#define OV511PLUS_ALT_SIZE_129	2
-#define OV511PLUS_ALT_SIZE_257	3
-#define OV511PLUS_ALT_SIZE_385	4
-#define OV511PLUS_ALT_SIZE_513	5
-#define OV511PLUS_ALT_SIZE_769	6
-#define OV511PLUS_ALT_SIZE_961	7
-
-/* Alternate numbers for various max packet sizes (OV518(+) only) */
-#define OV518_ALT_SIZE_0	0
-#define OV518_ALT_SIZE_128	1
-#define OV518_ALT_SIZE_256	2
-#define OV518_ALT_SIZE_384	3
-#define OV518_ALT_SIZE_512	4
-#define OV518_ALT_SIZE_640	5
-#define OV518_ALT_SIZE_768	6
-#define OV518_ALT_SIZE_896	7
-
-/* --------------------------------- */
-/*     OV7610 REGISTER MNEMONICS     */
-/* --------------------------------- */
-
-/* OV7610 registers */
-#define OV7610_REG_GAIN          0x00	/* gain setting (5:0) */
-#define OV7610_REG_BLUE          0x01	/* blue channel balance */
-#define OV7610_REG_RED           0x02	/* red channel balance */
-#define OV7610_REG_SAT           0x03	/* saturation */
-					/* 04 reserved */
-#define OV7610_REG_CNT           0x05	/* Y contrast */
-#define OV7610_REG_BRT           0x06	/* Y brightness */
-					/* 08-0b reserved */
-#define OV7610_REG_BLUE_BIAS     0x0C	/* blue channel bias (5:0) */
-#define OV7610_REG_RED_BIAS      0x0D	/* read channel bias (5:0) */
-#define OV7610_REG_GAMMA_COEFF   0x0E	/* gamma settings */
-#define OV7610_REG_WB_RANGE      0x0F	/* AEC/ALC/S-AWB settings */
-#define OV7610_REG_EXP           0x10	/* manual exposure setting */
-#define OV7610_REG_CLOCK         0x11	/* polarity/clock prescaler */
-#define OV7610_REG_COM_A         0x12	/* misc common regs */
-#define OV7610_REG_COM_B         0x13	/* misc common regs */
-#define OV7610_REG_COM_C         0x14	/* misc common regs */
-#define OV7610_REG_COM_D         0x15	/* misc common regs */
-#define OV7610_REG_FIELD_DIVIDE  0x16	/* field interval/mode settings */
-#define OV7610_REG_HWIN_START    0x17	/* horizontal window start */
-#define OV7610_REG_HWIN_END      0x18	/* horizontal window end */
-#define OV7610_REG_VWIN_START    0x19	/* vertical window start */
-#define OV7610_REG_VWIN_END      0x1A	/* vertical window end */
-#define OV7610_REG_PIXEL_SHIFT   0x1B	/* pixel shift */
-#define OV7610_REG_ID_HIGH       0x1C	/* manufacturer ID MSB */
-#define OV7610_REG_ID_LOW        0x1D	/* manufacturer ID LSB */
-					/* 0e-0f reserved */
-#define OV7610_REG_COM_E         0x20	/* misc common regs */
-#define OV7610_REG_YOFFSET       0x21	/* Y channel offset */
-#define OV7610_REG_UOFFSET       0x22	/* U channel offset */
-					/* 23 reserved */
-#define OV7610_REG_ECW           0x24	/* Exposure white level for AEC */
-#define OV7610_REG_ECB           0x25	/* Exposure black level for AEC */
-#define OV7610_REG_COM_F         0x26	/* misc settings */
-#define OV7610_REG_COM_G         0x27	/* misc settings */
-#define OV7610_REG_COM_H         0x28	/* misc settings */
-#define OV7610_REG_COM_I         0x29	/* misc settings */
-#define OV7610_REG_FRAMERATE_H   0x2A	/* frame rate MSB + misc */
-#define OV7610_REG_FRAMERATE_L   0x2B	/* frame rate LSB */
-#define OV7610_REG_ALC           0x2C	/* Auto Level Control settings */
-#define OV7610_REG_COM_J         0x2D	/* misc settings */
-#define OV7610_REG_VOFFSET       0x2E	/* V channel offset adjustment */
-#define OV7610_REG_ARRAY_BIAS	 0x2F	/* Array bias -- don't change */
-					/* 30-32 reserved */
-#define OV7610_REG_YGAMMA        0x33	/* misc gamma settings (7:6) */
-#define OV7610_REG_BIAS_ADJUST   0x34	/* misc bias settings */
-#define OV7610_REG_COM_L         0x35	/* misc settings */
-					/* 36-37 reserved */
-#define OV7610_REG_COM_K         0x38	/* misc registers */
-
-/* --------------------------------- */
-/*           I2C ADDRESSES           */
-/* --------------------------------- */
-
-#define OV7xx0_SID   0x42
-#define OV6xx0_SID   0xC0
-#define OV8xx0_SID   0xA0
-#define KS0127_SID   0xD8
-#define SAA7111A_SID 0x48
-
-/* --------------------------------- */
-/*       MISCELLANEOUS DEFINES       */
-/* --------------------------------- */
-
-#define I2C_CLOCK_PRESCALER 	0x03
-
-#define FRAMES_PER_DESC		10	/* FIXME - What should this be? */
-#define MAX_FRAME_SIZE_PER_DESC	993	/* For statically allocated stuff */
-#define PIXELS_PER_SEG		256	/* Pixels per segment */
-
-#define OV511_ENDPOINT_ADDRESS	1	/* Isoc endpoint number */
-
-#define OV511_NUMFRAMES	2
-#if OV511_NUMFRAMES > VIDEO_MAX_FRAME
-	#error "OV511_NUMFRAMES is too high"
-#endif
-
-#define OV511_NUMSBUF		2
-
-/* Control transfers use up to 4 bytes */
-#define OV511_CBUF_SIZE		4
-
-/* Size of usb_make_path() buffer */
-#define OV511_USB_PATH_LEN	64
-
-/* Bridge types */
-enum {
-	BRG_UNKNOWN,
-	BRG_OV511,
-	BRG_OV511PLUS,
-	BRG_OV518,
-	BRG_OV518PLUS,
-};
-
-/* Bridge classes */
-enum {
-	BCL_UNKNOWN,
-	BCL_OV511,
-	BCL_OV518,
-};
-
-/* Sensor types */
-enum {
-	SEN_UNKNOWN,
-	SEN_OV76BE,
-	SEN_OV7610,
-	SEN_OV7620,
-	SEN_OV7620AE,
-	SEN_OV6620,
-	SEN_OV6630,
-	SEN_OV6630AE,
-	SEN_OV6630AF,
-	SEN_OV8600,
-	SEN_KS0127,
-	SEN_KS0127B,
-	SEN_SAA7111A,
-};
-
-enum {
-	STATE_SCANNING,		/* Scanning for start */
-	STATE_HEADER,		/* Parsing header */
-	STATE_LINES,		/* Parsing lines */
-};
-
-/* Buffer states */
-enum {
-	BUF_NOT_ALLOCATED,
-	BUF_ALLOCATED,
-};
-
-/* --------- Definition of ioctl interface --------- */
-
-#define OV511_INTERFACE_VER 101
-
-/* LED options */
-enum {
-	LED_OFF,
-	LED_ON,
-	LED_AUTO,
-};
-
-/* Raw frame formats */
-enum {
-	RAWFMT_INVALID,
-	RAWFMT_YUV400,
-	RAWFMT_YUV420,
-	RAWFMT_YUV422,
-	RAWFMT_GBR422,
-};
-
-struct ov511_i2c_struct {
-	unsigned char slave; /* Write slave ID (read ID - 1) */
-	unsigned char reg;   /* Index of register */
-	unsigned char value; /* User sets this w/ write, driver does w/ read */
-	unsigned char mask;  /* Bits to be changed. Not used with read ops */
-};
-
-/* ioctls */
-#define OV511IOC_WI2C     _IOW('v', BASE_VIDIOCPRIVATE + 5, \
-			       struct ov511_i2c_struct)
-#define OV511IOC_RI2C    _IOWR('v', BASE_VIDIOCPRIVATE + 6, \
-			       struct ov511_i2c_struct)
-/* ------------- End IOCTL interface -------------- */
-
-struct usb_ov511;		/* Forward declaration */
-
-struct ov511_sbuf {
-	struct usb_ov511 *ov;
-	unsigned char *data;
-	struct urb *urb;
-	spinlock_t lock;
-	int n;
-};
-
-enum {
-	FRAME_UNUSED,		/* Unused (no MCAPTURE) */
-	FRAME_READY,		/* Ready to start grabbing */
-	FRAME_GRABBING,		/* In the process of being grabbed into */
-	FRAME_DONE,		/* Finished grabbing, but not been synced yet */
-	FRAME_ERROR,		/* Something bad happened while processing */
-};
-
-struct ov511_regvals {
-	enum {
-		OV511_DONE_BUS,
-		OV511_REG_BUS,
-		OV511_I2C_BUS,
-	} bus;
-	unsigned char reg;
-	unsigned char val;
-};
-
-struct ov511_frame {
-	int framenum;		/* Index of this frame */
-	unsigned char *data;	/* Frame buffer */
-	unsigned char *tempdata; /* Temp buffer for multi-stage conversions */
-	unsigned char *rawdata;	/* Raw camera data buffer */
-	unsigned char *compbuf;	/* Temp buffer for decompressor */
-
-	int depth;		/* Bytes per pixel */
-	int width;		/* Width application is expecting */
-	int height;		/* Height application is expecting */
-
-	int rawwidth;		/* Actual width of frame sent from camera */
-	int rawheight;		/* Actual height of frame sent from camera */
-
-	int sub_flag;		/* Sub-capture mode for this frame? */
-	unsigned int format;	/* Format for this frame */
-	int compressed;		/* Is frame compressed? */
-
-	volatile int grabstate;	/* State of grabbing */
-	int scanstate;		/* State of scanning */
-
-	int bytes_recvd;	/* Number of image bytes received from camera */
-
-	long bytes_read;	/* Amount that has been read() */
-
-	wait_queue_head_t wq;	/* Processes waiting */
-
-	int snapshot;		/* True if frame was a snapshot */
-};
-
-#define DECOMP_INTERFACE_VER 4
-
-/* Compression module operations */
-struct ov51x_decomp_ops {
-	int (*decomp_400)(unsigned char *, unsigned char *, unsigned char *,
-			  int, int, int);
-	int (*decomp_420)(unsigned char *, unsigned char *, unsigned char *,
-			  int, int, int);
-	int (*decomp_422)(unsigned char *, unsigned char *, unsigned char *,
-			  int, int, int);
-	struct module *owner;
-};
-
-struct usb_ov511 {
-	struct video_device *vdev;
-	struct usb_device *dev;
-
-	int customid;
-	char *desc;
-	unsigned char iface;
-	char usb_path[OV511_USB_PATH_LEN];
-
-	/* Determined by sensor type */
-	int maxwidth;
-	int maxheight;
-	int minwidth;
-	int minheight;
-
-	int brightness;
-	int colour;
-	int contrast;
-	int hue;
-	int whiteness;
-	int exposure;
-	int auto_brt;		/* Auto brightness enabled flag */
-	int auto_gain;		/* Auto gain control enabled flag */
-	int auto_exp;		/* Auto exposure enabled flag */
-	int backlight;		/* Backlight exposure algorithm flag */
-	int mirror;		/* Image is reversed horizontally */
-
-	int led_policy;		/* LED: off|on|auto; OV511+ only */
-
-	struct mutex lock;	/* Serializes user-accessible operations */
-	int user;		/* user count for exclusive use */
-
-	int streaming;		/* Are we streaming Isochronous? */
-	int grabbing;		/* Are we grabbing? */
-
-	int compress;		/* Should the next frame be compressed? */
-	int compress_inited;	/* Are compression params uploaded? */
-
-	int lightfreq;		/* Power (lighting) frequency */
-	int bandfilt;		/* Banding filter enabled flag */
-
-	unsigned char *fbuf;	/* Videodev buffer area */
-	unsigned char *tempfbuf; /* Temporary (intermediate) buffer area */
-	unsigned char *rawfbuf;	/* Raw camera data buffer area */
-
-	int sub_flag;		/* Pix Array subcapture on flag */
-	int subx;		/* Pix Array subcapture x offset */
-	int suby;		/* Pix Array subcapture y offset */
-	int subw;		/* Pix Array subcapture width */
-	int subh;		/* Pix Array subcapture height */
-
-	int curframe;		/* Current receiving sbuf */
-	struct ov511_frame frame[OV511_NUMFRAMES];
-
-	struct ov511_sbuf sbuf[OV511_NUMSBUF];
-
-	wait_queue_head_t wq;	/* Processes waiting */
-
-	int snap_enabled;	/* Snapshot mode enabled */
-
-	int bridge;		/* Type of bridge (BRG_*) */
-	int bclass;		/* Class of bridge (BCL_*) */
-	int sensor;		/* Type of image sensor chip (SEN_*) */
-
-	int packet_size;	/* Frame size per isoc desc */
-	int packet_numbering;	/* Is ISO frame numbering enabled? */
-
-	/* Framebuffer/sbuf management */
-	int buf_state;
-	struct mutex buf_lock;
-
-	struct ov51x_decomp_ops *decomp_ops;
-
-	/* Stop streaming while changing picture settings */
-	int stop_during_set;
-
-	int stopped;		/* Streaming is temporarily paused */
-
-	/* Video decoder stuff */
-	int input;		/* Composite, S-VIDEO, etc... */
-	int num_inputs;		/* Number of inputs */
-	int norm; 		/* NTSC / PAL / SECAM */
-	int has_decoder;	/* Device has a video decoder */
-	int pal;		/* Device is designed for PAL resolution */
-
-	/* ov511 device number ID */
-	int nr;			/* Stores a device number */
-
-	/* I2C interface */
-	struct mutex i2c_lock;	  /* Protect I2C controller regs */
-	unsigned char primary_i2c_slave;  /* I2C write id of sensor */
-
-	/* Control transaction stuff */
-	unsigned char *cbuf;		/* Buffer for payload */
-	struct mutex cbuf_lock;
-};
-
-/* Used to represent a list of values and their respective symbolic names */
-struct symbolic_list {
-	int num;
-	char *name;
-};
-
-#define NOT_DEFINED_STR "Unknown"
-
-/* Returns the name of the matching element in the symbolic_list array. The
- * end of the list must be marked with an element that has a NULL name.
- */
-static inline char *
-symbolic(struct symbolic_list list[], int num)
-{
-	int i;
-
-	for (i = 0; list[i].name != NULL; i++)
-			if (list[i].num == num)
-				return (list[i].name);
-
-	return (NOT_DEFINED_STR);
-}
-
-/* Compression stuff */
-
-#define OV511_QUANTABLESIZE	64
-#define OV518_QUANTABLESIZE	32
-
-#define OV511_YQUANTABLE { \
-	0, 1, 1, 2, 2, 3, 3, 4, \
-	1, 1, 1, 2, 2, 3, 4, 4, \
-	1, 1, 2, 2, 3, 4, 4, 4, \
-	2, 2, 2, 3, 4, 4, 4, 4, \
-	2, 2, 3, 4, 4, 5, 5, 5, \
-	3, 3, 4, 4, 5, 5, 5, 5, \
-	3, 4, 4, 4, 5, 5, 5, 5, \
-	4, 4, 4, 4, 5, 5, 5, 5  \
-}
-
-#define OV511_UVQUANTABLE { \
-	0, 2, 2, 3, 4, 4, 4, 4, \
-	2, 2, 2, 4, 4, 4, 4, 4, \
-	2, 2, 3, 4, 4, 4, 4, 4, \
-	3, 4, 4, 4, 4, 4, 4, 4, \
-	4, 4, 4, 4, 4, 4, 4, 4, \
-	4, 4, 4, 4, 4, 4, 4, 4, \
-	4, 4, 4, 4, 4, 4, 4, 4, \
-	4, 4, 4, 4, 4, 4, 4, 4  \
-}
-
-#define OV518_YQUANTABLE { \
-	5, 4, 5, 6, 6, 7, 7, 7, \
-	5, 5, 5, 5, 6, 7, 7, 7, \
-	6, 6, 6, 6, 7, 7, 7, 8, \
-	7, 7, 6, 7, 7, 7, 8, 8  \
-}
-
-#define OV518_UVQUANTABLE { \
-	6, 6, 6, 7, 7, 7, 7, 7, \
-	6, 6, 6, 7, 7, 7, 7, 7, \
-	6, 6, 6, 7, 7, 7, 7, 8, \
-	7, 7, 7, 7, 7, 7, 8, 8  \
-}
-
-#endif