Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1353 insertions, 0 deletions

diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
new file mode 100644
index 000000000..eeb85981e
--- /dev/null
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -0,0 +1,1353 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <asm/byteorder.h>
+#include <media/i2c/saa7115.h>
+#include <media/tuner.h>
+#include <media/i2c/uda1342.h>
+
+#include "go7007-priv.h"
+
+static unsigned int assume_endura;
+module_param(assume_endura, int, 0644);
+MODULE_PARM_DESC(assume_endura,
+			"when probing fails, hardware is a Pelco Endura");
+
+/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
+
+#define	HPI_STATUS_ADDR	0xFFF4
+#define	INT_PARAM_ADDR	0xFFF6
+#define	INT_INDEX_ADDR	0xFFF8
+
+/*
+ * Pipes on EZ-USB interface:
+ *	0 snd - Control
+ *	0 rcv - Control
+ *	2 snd - Download firmware (control)
+ *	4 rcv - Read Interrupt (interrupt)
+ *	6 rcv - Read Video (bulk)
+ *	8 rcv - Read Audio (bulk)
+ */
+
+#define GO7007_USB_EZUSB		(1<<0)
+#define GO7007_USB_EZUSB_I2C		(1<<1)
+
+struct go7007_usb_board {
+	unsigned int flags;
+	struct go7007_board_info main_info;
+};
+
+struct go7007_usb {
+	const struct go7007_usb_board *board;
+	struct mutex i2c_lock;
+	struct usb_device *usbdev;
+	struct urb *video_urbs[8];
+	struct urb *audio_urbs[8];
+	struct urb *intr_urb;
+};
+
+/*********************** Product specification data ***********************/
+
+static const struct go7007_usb_board board_matrix_ii = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_SAA7115 |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7115",
+				.addr	= 0x20,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 9,
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+	},
+};
+
+static const struct go7007_usb_board board_matrix_reload = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7113",
+				.addr	= 0x25,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 9,
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+	},
+};
+
+static const struct go7007_usb_board board_star_trek = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO, /* |
+					GO7007_BOARD_HAS_TUNER, */
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_SAA7115 |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7115",
+				.addr	= 0x20,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+		/*	{
+		 *		.video_input	= 3,
+		 *		.audio_index	= AUDIO_TUNER,
+		 *		.name		= "Tuner",
+		 *	},
+		 */
+			{
+				.video_input	= 1,
+			/*	.audio_index	= AUDIO_EXTERN, */
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+			/*	.audio_index	= AUDIO_EXTERN, */
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+	},
+};
+
+static const struct go7007_usb_board board_px_tv402u = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_HAS_TUNER,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_SAA7115 |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.num_i2c_devs	 = 5,
+		.i2c_devs	 = {
+			{
+				.type	= "saa7115",
+				.addr	= 0x20,
+				.is_video = 1,
+			},
+			{
+				.type	= "uda1342",
+				.addr	= 0x1a,
+				.is_audio = 1,
+			},
+			{
+				.type	= "tuner",
+				.addr	= 0x60,
+			},
+			{
+				.type	= "tuner",
+				.addr	= 0x43,
+			},
+			{
+				.type	= "sony-btf-mpx",
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 3,
+		.inputs		 = {
+			{
+				.video_input	= 3,
+				.audio_index	= 0,
+				.name		= "Tuner",
+			},
+			{
+				.video_input	= 1,
+				.audio_index	= 1,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+				.audio_index	= 1,
+				.name		= "S-Video",
+			},
+		},
+		.video_config	= SAA7115_IDQ_IS_DEFAULT,
+		.num_aud_inputs	 = 2,
+		.aud_inputs	 = {
+			{
+				.audio_input	= UDA1342_IN2,
+				.name		= "Tuner",
+			},
+			{
+				.audio_input	= UDA1342_IN1,
+				.name		= "Line In",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_xmen = {
+	.flags		= 0,
+	.main_info	= {
+		.flags		  = GO7007_BOARD_USE_ONBOARD_I2C,
+		.hpi_buffer_cap   = 0,
+		.sensor_flags	  = GO7007_SENSOR_VREF_POLAR,
+		.sensor_width	  = 320,
+		.sensor_height	  = 240,
+		.sensor_framerate = 30030,
+		.audio_flags	  = GO7007_AUDIO_ONE_CHANNEL |
+					GO7007_AUDIO_I2S_MODE_3 |
+					GO7007_AUDIO_WORD_14 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_BCLK_POLAR |
+					GO7007_AUDIO_OKI_MODE,
+		.audio_rate	  = 8000,
+		.audio_bclk_div	  = 48,
+		.audio_main_div	  = 1,
+		.num_i2c_devs	  = 1,
+		.i2c_devs	  = {
+			{
+				.type	= "ov7640",
+				.addr	= 0x21,
+			},
+		},
+		.num_inputs	  = 1,
+		.inputs		  = {
+			{
+				.name		= "Camera",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_matrix_revolution = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "tw9903",
+				.is_video = 1,
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 2,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+#if 0
+static const struct go7007_usb_board board_lifeview_lr192 = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.num_i2c_devs	 = 0,
+		.num_inputs	 = 1,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+		},
+	},
+};
+#endif
+
+static const struct go7007_usb_board board_endura = {
+	.flags		= 0,
+	.main_info	= {
+		.flags		 = 0,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 8000,
+		.audio_bclk_div	 = 48,
+		.audio_main_div	 = 8,
+		.hpi_buffer_cap  = 0,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.sensor_h_offset = 8,
+		.num_i2c_devs	 = 0,
+		.num_inputs	 = 1,
+		.inputs		 = {
+			{
+				.name		= "Camera",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_adlink_mpg24 = {
+	.flags		= 0,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 0,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "tw2804",
+				.addr	= 0x00, /* yes, really */
+				.flags  = I2C_CLIENT_TEN,
+				.is_video = 1,
+			},
+		},
+		.num_inputs	 = 1,
+		.inputs		 = {
+			{
+				.name		= "Composite",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_sensoray_2250 = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.flags		 = GO7007_BOARD_HAS_AUDIO,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "s2250",
+				.addr	= 0x43,
+				.is_video = 1,
+				.is_audio = 1,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 1,
+				.name		= "S-Video",
+			},
+		},
+		.num_aud_inputs	 = 3,
+		.aud_inputs	 = {
+			{
+				.audio_input	= 0,
+				.name		= "Line In",
+			},
+			{
+				.audio_input	= 1,
+				.name		= "Mic",
+			},
+			{
+				.audio_input	= 2,
+				.name		= "Mic Boost",
+			},
+		},
+	},
+};
+
+static const struct go7007_usb_board board_ads_usbav_709 = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.type	= "tw9906",
+				.is_video = 1,
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs		 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 10,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+static const struct usb_device_id go7007_usb_id_table[] = {
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x200,   /* Revision number of XMen */
+		.bcdDevice_hi	= 0x200,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x202,   /* Revision number of Matrix II */
+		.bcdDevice_hi	= 0x202,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x204,   /* Revision number of Matrix */
+		.bcdDevice_hi	= 0x204,   /*     Reloaded */
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x205,   /* Revision number of XMen-II */
+		.bcdDevice_hi	= 0x205,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x208,   /* Revision number of Star Trek */
+		.bcdDevice_hi	= 0x208,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x209,   /* Revision number of XMen-III */
+		.bcdDevice_hi	= 0x209,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x210,   /* Revision number of Matrix */
+		.bcdDevice_hi	= 0x210,   /*     Revolution */
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
+		.idProduct	= 0xa102,  /* Product ID of M402U */
+		.bcdDevice_lo	= 0x1,	   /* revision number of Blueberry */
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
+		.idProduct	= 0xa104,  /* Product ID of TV402U */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_TV402U,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x10fd,  /* Vendor ID of Anubis Electronics */
+		.idProduct	= 0xde00,  /* Product ID of Lifeview LR192 */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x1943,  /* Vendor ID Sensoray */
+		.idProduct	= 0x2250,  /* Product ID of 2250/2251 */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x06e1,  /* Vendor ID of ADS Technologies */
+		.idProduct	= 0x0709,  /* Product ID of DVD Xpress DX2 */
+		.bcdDevice_lo	= 0x204,
+		.bcdDevice_hi	= 0x204,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_ADS_USBAV_709,
+	},
+	{ }					/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
+
+/********************* Driver for EZ-USB HPI interface *********************/
+
+static int go7007_usb_vendor_request(struct go7007 *go, int request,
+		int value, int index, void *transfer_buffer, int length, int in)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int timeout = 5000;
+
+	if (in) {
+		return usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				value, index, transfer_buffer, length, timeout);
+	} else {
+		return usb_control_msg(usb->usbdev,
+				usb_sndctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				value, index, transfer_buffer, length, timeout);
+	}
+}
+
+static int go7007_usb_interface_reset(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	u16 intr_val, intr_data;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -1;
+	/* Reset encoder */
+	if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+		return -1;
+	msleep(100);
+
+	if (usb->board->flags & GO7007_USB_EZUSB) {
+		/* Reset buffer in EZ-USB */
+		pr_debug("resetting EZ-USB buffers\n");
+		if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
+		    go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
+			return -1;
+
+		/* Reset encoder again */
+		if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+			return -1;
+		msleep(100);
+	}
+
+	/* Wait for an interrupt to indicate successful hardware reset */
+	if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+			(intr_val & ~0x1) != 0x55aa) {
+		dev_err(go->dev, "unable to reset the USB interface\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
+						int addr, int data)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i, r;
+	u16 status_reg = 0;
+	int timeout = 500;
+
+	pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
+
+	for (i = 0; i < 100; ++i) {
+		r = usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				0, HPI_STATUS_ADDR, go->usb_buf,
+				sizeof(status_reg), timeout);
+		if (r < 0)
+			break;
+		status_reg = le16_to_cpu(*((__le16 *)go->usb_buf));
+		if (!(status_reg & 0x0010))
+			break;
+		msleep(10);
+	}
+	if (r < 0)
+		goto write_int_error;
+	if (i == 100) {
+		dev_err(go->dev, "device is hung, status reg = 0x%04x\n", status_reg);
+		return -1;
+	}
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
+			USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
+			INT_PARAM_ADDR, NULL, 0, timeout);
+	if (r < 0)
+		goto write_int_error;
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
+			0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
+			INT_INDEX_ADDR, NULL, 0, timeout);
+	if (r < 0)
+		goto write_int_error;
+	return 0;
+
+write_int_error:
+	dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
+	return r;
+}
+
+static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
+						int addr, int data)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int r;
+	int timeout = 500;
+
+	pr_debug("WriteInterrupt: %04x %04x\n", addr, data);
+
+	go->usb_buf[0] = data & 0xff;
+	go->usb_buf[1] = data >> 8;
+	go->usb_buf[2] = addr & 0xff;
+	go->usb_buf[3] = addr >> 8;
+	go->usb_buf[4] = go->usb_buf[5] = go->usb_buf[6] = go->usb_buf[7] = 0;
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
+			USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
+			0xf0f0, go->usb_buf, 8, timeout);
+	if (r < 0) {
+		dev_err(go->dev, "error in WriteInterrupt: %d\n", r);
+		return r;
+	}
+	return 0;
+}
+
+static void go7007_usb_readinterrupt_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	__le16 *regs = (__le16 *)urb->transfer_buffer;
+	int status = urb->status;
+
+	if (status) {
+		if (status != -ESHUTDOWN &&
+				go->status != STATUS_SHUTDOWN) {
+			dev_err(go->dev, "error in read interrupt: %d\n", urb->status);
+		} else {
+			wake_up(&go->interrupt_waitq);
+			return;
+		}
+	} else if (urb->actual_length != urb->transfer_buffer_length) {
+		dev_err(go->dev, "short read in interrupt pipe!\n");
+	} else {
+		go->interrupt_available = 1;
+		go->interrupt_data = __le16_to_cpu(regs[0]);
+		go->interrupt_value = __le16_to_cpu(regs[1]);
+		pr_debug("ReadInterrupt: %04x %04x\n",
+				go->interrupt_value, go->interrupt_data);
+	}
+
+	wake_up(&go->interrupt_waitq);
+}
+
+static int go7007_usb_read_interrupt(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int r;
+
+	r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
+	if (r < 0) {
+		dev_err(go->dev, "unable to submit interrupt urb: %d\n", r);
+		return r;
+	}
+	return 0;
+}
+
+static void go7007_usb_read_video_pipe_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	int r, status = urb->status;
+
+	if (!vb2_is_streaming(&go->vidq)) {
+		wake_up_interruptible(&go->frame_waitq);
+		return;
+	}
+	if (status) {
+		dev_err(go->dev, "error in video pipe: %d\n", status);
+		return;
+	}
+	if (urb->actual_length != urb->transfer_buffer_length) {
+		dev_err(go->dev, "short read in video pipe!\n");
+		return;
+	}
+	go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r < 0)
+		dev_err(go->dev, "error in video pipe: %d\n", r);
+}
+
+static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	int r, status = urb->status;
+
+	if (!vb2_is_streaming(&go->vidq))
+		return;
+	if (status) {
+		dev_err(go->dev, "error in audio pipe: %d\n",
+			status);
+		return;
+	}
+	if (urb->actual_length != urb->transfer_buffer_length) {
+		dev_err(go->dev, "short read in audio pipe!\n");
+		return;
+	}
+	if (go->audio_deliver != NULL)
+		go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r < 0)
+		dev_err(go->dev, "error in audio pipe: %d\n", r);
+}
+
+static int go7007_usb_stream_start(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i, r;
+
+	for (i = 0; i < 8; ++i) {
+		r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
+		if (r < 0) {
+			dev_err(go->dev, "error submitting video urb %d: %d\n", i, r);
+			goto video_submit_failed;
+		}
+	}
+	if (!go->audio_enabled)
+		return 0;
+
+	for (i = 0; i < 8; ++i) {
+		r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
+		if (r < 0) {
+			dev_err(go->dev, "error submitting audio urb %d: %d\n", i, r);
+			goto audio_submit_failed;
+		}
+	}
+	return 0;
+
+audio_submit_failed:
+	for (i = 0; i < 7; ++i)
+		usb_kill_urb(usb->audio_urbs[i]);
+video_submit_failed:
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->video_urbs[i]);
+	return -1;
+}
+
+static int go7007_usb_stream_stop(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return 0;
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->video_urbs[i]);
+	if (go->audio_enabled)
+		for (i = 0; i < 8; ++i)
+			usb_kill_urb(usb->audio_urbs[i]);
+	return 0;
+}
+
+static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int transferred, pipe;
+	int timeout = 500;
+
+	pr_debug("DownloadBuffer sending %d bytes\n", len);
+
+	if (usb->board->flags & GO7007_USB_EZUSB)
+		pipe = usb_sndbulkpipe(usb->usbdev, 2);
+	else
+		pipe = usb_sndbulkpipe(usb->usbdev, 3);
+
+	return usb_bulk_msg(usb->usbdev, pipe, data, len,
+					&transferred, timeout);
+}
+
+static void go7007_usb_release(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	struct urb *vurb, *aurb;
+	int i;
+
+	if (usb->intr_urb) {
+		usb_kill_urb(usb->intr_urb);
+		kfree(usb->intr_urb->transfer_buffer);
+		usb_free_urb(usb->intr_urb);
+	}
+
+	/* Free USB-related structs */
+	for (i = 0; i < 8; ++i) {
+		vurb = usb->video_urbs[i];
+		if (vurb) {
+			usb_kill_urb(vurb);
+			kfree(vurb->transfer_buffer);
+			usb_free_urb(vurb);
+		}
+		aurb = usb->audio_urbs[i];
+		if (aurb) {
+			usb_kill_urb(aurb);
+			kfree(aurb->transfer_buffer);
+			usb_free_urb(aurb);
+		}
+	}
+
+	kfree(go->hpi_context);
+}
+
+static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
+	.interface_reset	= go7007_usb_interface_reset,
+	.write_interrupt	= go7007_usb_ezusb_write_interrupt,
+	.read_interrupt		= go7007_usb_read_interrupt,
+	.stream_start		= go7007_usb_stream_start,
+	.stream_stop		= go7007_usb_stream_stop,
+	.send_firmware		= go7007_usb_send_firmware,
+	.release		= go7007_usb_release,
+};
+
+static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
+	.interface_reset	= go7007_usb_interface_reset,
+	.write_interrupt	= go7007_usb_onboard_write_interrupt,
+	.read_interrupt		= go7007_usb_read_interrupt,
+	.stream_start		= go7007_usb_stream_start,
+	.stream_stop		= go7007_usb_stream_stop,
+	.send_firmware		= go7007_usb_send_firmware,
+	.release		= go7007_usb_release,
+};
+
+/********************* Driver for EZ-USB I2C adapter *********************/
+
+static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
+					struct i2c_msg msgs[], int num)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	struct go7007_usb *usb = go->hpi_context;
+	u8 *buf = go->usb_buf;
+	int buf_len, i;
+	int ret = -EIO;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -ENODEV;
+
+	mutex_lock(&usb->i2c_lock);
+
+	for (i = 0; i < num; ++i) {
+		/* The hardware command is "write some bytes then read some
+		 * bytes", so we try to coalesce a write followed by a read
+		 * into a single USB transaction */
+		if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
+				!(msgs[i].flags & I2C_M_RD) &&
+				(msgs[i + 1].flags & I2C_M_RD)) {
+#ifdef GO7007_I2C_DEBUG
+			pr_debug("i2c write/read %d/%d bytes on %02x\n",
+				msgs[i].len, msgs[i + 1].len, msgs[i].addr);
+#endif
+			buf[0] = 0x01;
+			buf[1] = msgs[i].len + 1;
+			buf[2] = msgs[i].addr << 1;
+			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+			buf_len = msgs[i].len + 3;
+			buf[buf_len++] = msgs[++i].len;
+		} else if (msgs[i].flags & I2C_M_RD) {
+#ifdef GO7007_I2C_DEBUG
+			pr_debug("i2c read %d bytes on %02x\n",
+					msgs[i].len, msgs[i].addr);
+#endif
+			buf[0] = 0x01;
+			buf[1] = 1;
+			buf[2] = msgs[i].addr << 1;
+			buf[3] = msgs[i].len;
+			buf_len = 4;
+		} else {
+#ifdef GO7007_I2C_DEBUG
+			pr_debug("i2c write %d bytes on %02x\n",
+					msgs[i].len, msgs[i].addr);
+#endif
+			buf[0] = 0x00;
+			buf[1] = msgs[i].len + 1;
+			buf[2] = msgs[i].addr << 1;
+			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+			buf_len = msgs[i].len + 3;
+			buf[buf_len++] = 0;
+		}
+		if (go7007_usb_vendor_request(go, 0x24, 0, 0,
+						buf, buf_len, 0) < 0)
+			goto i2c_done;
+		if (msgs[i].flags & I2C_M_RD) {
+			memset(buf, 0, msgs[i].len + 1);
+			if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
+						msgs[i].len + 1, 1) < 0)
+				goto i2c_done;
+			memcpy(msgs[i].buf, buf + 1, msgs[i].len);
+		}
+	}
+	ret = num;
+
+i2c_done:
+	mutex_unlock(&usb->i2c_lock);
+	return ret;
+}
+
+static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
+{
+	/* No errors are reported by the hardware, so we don't bother
+	 * supporting quick writes to avoid confusing probing */
+	return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
+}
+
+static const struct i2c_algorithm go7007_usb_algo = {
+	.master_xfer	= go7007_usb_i2c_master_xfer,
+	.functionality	= go7007_usb_functionality,
+};
+
+static struct i2c_adapter go7007_usb_adap_templ = {
+	.owner			= THIS_MODULE,
+	.name			= "WIS GO7007SB EZ-USB",
+	.algo			= &go7007_usb_algo,
+};
+
+/********************* USB add/remove functions *********************/
+
+static int go7007_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	struct go7007 *go;
+	struct go7007_usb *usb;
+	const struct go7007_usb_board *board;
+	struct usb_device *usbdev = interface_to_usbdev(intf);
+	struct usb_host_endpoint *ep;
+	unsigned num_i2c_devs;
+	char *name;
+	int video_pipe, i, v_urb_len;
+
+	pr_debug("probing new GO7007 USB board\n");
+
+	switch (id->driver_info) {
+	case GO7007_BOARDID_MATRIX_II:
+		name = "WIS Matrix II or compatible";
+		board = &board_matrix_ii;
+		break;
+	case GO7007_BOARDID_MATRIX_RELOAD:
+		name = "WIS Matrix Reloaded or compatible";
+		board = &board_matrix_reload;
+		break;
+	case GO7007_BOARDID_MATRIX_REV:
+		name = "WIS Matrix Revolution or compatible";
+		board = &board_matrix_revolution;
+		break;
+	case GO7007_BOARDID_STAR_TREK:
+		name = "WIS Star Trek or compatible";
+		board = &board_star_trek;
+		break;
+	case GO7007_BOARDID_XMEN:
+		name = "WIS XMen or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_XMEN_II:
+		name = "WIS XMen II or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_XMEN_III:
+		name = "WIS XMen III or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_PX_M402U:
+		name = "Plextor PX-M402U";
+		board = &board_matrix_ii;
+		break;
+	case GO7007_BOARDID_PX_TV402U:
+		name = "Plextor PX-TV402U (unknown tuner)";
+		board = &board_px_tv402u;
+		break;
+	case GO7007_BOARDID_LIFEVIEW_LR192:
+		dev_err(&intf->dev, "The Lifeview TV Walker Ultra is not supported. Sorry!\n");
+		return -ENODEV;
+#if 0
+		name = "Lifeview TV Walker Ultra";
+		board = &board_lifeview_lr192;
+#endif
+		break;
+	case GO7007_BOARDID_SENSORAY_2250:
+		dev_info(&intf->dev, "Sensoray 2250 found\n");
+		name = "Sensoray 2250/2251";
+		board = &board_sensoray_2250;
+		break;
+	case GO7007_BOARDID_ADS_USBAV_709:
+		name = "ADS Tech DVD Xpress DX2";
+		board = &board_ads_usbav_709;
+		break;
+	default:
+		dev_err(&intf->dev, "unknown board ID %d!\n",
+				(unsigned int)id->driver_info);
+		return -ENODEV;
+	}
+
+	go = go7007_alloc(&board->main_info, &intf->dev);
+	if (go == NULL)
+		return -ENOMEM;
+
+	usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
+	if (usb == NULL) {
+		kfree(go);
+		return -ENOMEM;
+	}
+
+	usb->board = board;
+	usb->usbdev = usbdev;
+	usb_make_path(usbdev, go->bus_info, sizeof(go->bus_info));
+	go->board_id = id->driver_info;
+	strscpy(go->name, name, sizeof(go->name));
+	if (board->flags & GO7007_USB_EZUSB)
+		go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
+	else
+		go->hpi_ops = &go7007_usb_onboard_hpi_ops;
+	go->hpi_context = usb;
+
+	ep = usb->usbdev->ep_in[4];
+	if (!ep)
+		goto allocfail;
+
+	/* Allocate the URB and buffer for receiving incoming interrupts */
+	usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (usb->intr_urb == NULL)
+		goto allocfail;
+	usb->intr_urb->transfer_buffer = kmalloc_array(2, sizeof(u16),
+						       GFP_KERNEL);
+	if (usb->intr_urb->transfer_buffer == NULL)
+		goto allocfail;
+
+	if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
+		usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
+			usb_rcvbulkpipe(usb->usbdev, 4),
+			usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+			go7007_usb_readinterrupt_complete, go);
+	else
+		usb_fill_int_urb(usb->intr_urb, usb->usbdev,
+			usb_rcvintpipe(usb->usbdev, 4),
+			usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+			go7007_usb_readinterrupt_complete, go, 8);
+	usb_set_intfdata(intf, &go->v4l2_dev);
+
+	/* Boot the GO7007 */
+	if (go7007_boot_encoder(go, go->board_info->flags &
+					GO7007_BOARD_USE_ONBOARD_I2C) < 0)
+		goto allocfail;
+
+	/* Register the EZ-USB I2C adapter, if we're using it */
+	if (board->flags & GO7007_USB_EZUSB_I2C) {
+		memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
+				sizeof(go7007_usb_adap_templ));
+		mutex_init(&usb->i2c_lock);
+		go->i2c_adapter.dev.parent = go->dev;
+		i2c_set_adapdata(&go->i2c_adapter, go);
+		if (i2c_add_adapter(&go->i2c_adapter) < 0) {
+			dev_err(go->dev, "error: i2c_add_adapter failed\n");
+			goto allocfail;
+		}
+		go->i2c_adapter_online = 1;
+	}
+
+	/* Pelco and Adlink reused the XMen and XMen-III vendor and product
+	 * IDs for their own incompatible designs.  We can detect XMen boards
+	 * by probing the sensor, but there is no way to probe the sensors on
+	 * the Pelco and Adlink designs so we default to the Adlink.  If it
+	 * is actually a Pelco, the user must set the assume_endura module
+	 * parameter. */
+	if ((go->board_id == GO7007_BOARDID_XMEN ||
+				go->board_id == GO7007_BOARDID_XMEN_III) &&
+			go->i2c_adapter_online) {
+		union i2c_smbus_data data;
+
+		/* Check to see if register 0x0A is 0x76 */
+		i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
+			I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
+		if (data.byte != 0x76) {
+			if (assume_endura) {
+				go->board_id = GO7007_BOARDID_ENDURA;
+				usb->board = board = &board_endura;
+				go->board_info = &board->main_info;
+				strscpy(go->name, "Pelco Endura",
+					sizeof(go->name));
+			} else {
+				u16 channel;
+
+				/* read channel number from GPIO[1:0] */
+				go7007_read_addr(go, 0x3c81, &channel);
+				channel &= 0x3;
+				go->board_id = GO7007_BOARDID_ADLINK_MPG24;
+				usb->board = board = &board_adlink_mpg24;
+				go->board_info = &board->main_info;
+				go->channel_number = channel;
+				snprintf(go->name, sizeof(go->name),
+					"Adlink PCI-MPG24, channel #%d",
+					channel);
+			}
+			go7007_update_board(go);
+		}
+	}
+
+	num_i2c_devs = go->board_info->num_i2c_devs;
+
+	/* Probe the tuner model on the TV402U */
+	if (go->board_id == GO7007_BOARDID_PX_TV402U) {
+		/* Board strapping indicates tuner model */
+		if (go7007_usb_vendor_request(go, 0x41, 0, 0, go->usb_buf, 3,
+					1) < 0) {
+			dev_err(go->dev, "GPIO read failed!\n");
+			goto allocfail;
+		}
+		switch (go->usb_buf[0] >> 6) {
+		case 1:
+			go->tuner_type = TUNER_SONY_BTF_PG472Z;
+			go->std = V4L2_STD_PAL;
+			strscpy(go->name, "Plextor PX-TV402U-EU",
+				sizeof(go->name));
+			break;
+		case 2:
+			go->tuner_type = TUNER_SONY_BTF_PK467Z;
+			go->std = V4L2_STD_NTSC_M_JP;
+			num_i2c_devs -= 2;
+			strscpy(go->name, "Plextor PX-TV402U-JP",
+				sizeof(go->name));
+			break;
+		case 3:
+			go->tuner_type = TUNER_SONY_BTF_PB463Z;
+			num_i2c_devs -= 2;
+			strscpy(go->name, "Plextor PX-TV402U-NA",
+				sizeof(go->name));
+			break;
+		default:
+			pr_debug("unable to detect tuner type!\n");
+			break;
+		}
+		/* Configure tuner mode selection inputs connected
+		 * to the EZ-USB GPIO output pins */
+		if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
+					NULL, 0, 0) < 0) {
+			dev_err(go->dev, "GPIO write failed!\n");
+			goto allocfail;
+		}
+	}
+
+	/* Print a nasty message if the user attempts to use a USB2.0 device in
+	 * a USB1.1 port.  There will be silent corruption of the stream. */
+	if ((board->flags & GO7007_USB_EZUSB) &&
+			usbdev->speed != USB_SPEED_HIGH)
+		dev_err(go->dev, "*** WARNING ***  This device must be connected to a USB 2.0 port! Attempting to capture video through a USB 1.1 port will result in stream corruption, even at low bitrates!\n");
+
+	/* Allocate the URBs and buffers for receiving the video stream */
+	if (board->flags & GO7007_USB_EZUSB) {
+		if (!usb->usbdev->ep_in[6])
+			goto allocfail;
+		v_urb_len = 1024;
+		video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
+	} else {
+		if (!usb->usbdev->ep_in[1])
+			goto allocfail;
+		v_urb_len = 512;
+		video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
+	}
+	for (i = 0; i < 8; ++i) {
+		usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+		if (usb->video_urbs[i] == NULL)
+			goto allocfail;
+		usb->video_urbs[i]->transfer_buffer =
+						kmalloc(v_urb_len, GFP_KERNEL);
+		if (usb->video_urbs[i]->transfer_buffer == NULL)
+			goto allocfail;
+		usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
+				usb->video_urbs[i]->transfer_buffer, v_urb_len,
+				go7007_usb_read_video_pipe_complete, go);
+	}
+
+	/* Allocate the URBs and buffers for receiving the audio stream */
+	if ((board->flags & GO7007_USB_EZUSB) &&
+	    (board->main_info.flags & GO7007_BOARD_HAS_AUDIO)) {
+		if (!usb->usbdev->ep_in[8])
+			goto allocfail;
+		for (i = 0; i < 8; ++i) {
+			usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+			if (usb->audio_urbs[i] == NULL)
+				goto allocfail;
+			usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
+								GFP_KERNEL);
+			if (usb->audio_urbs[i]->transfer_buffer == NULL)
+				goto allocfail;
+			usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
+				usb_rcvbulkpipe(usb->usbdev, 8),
+				usb->audio_urbs[i]->transfer_buffer, 4096,
+				go7007_usb_read_audio_pipe_complete, go);
+		}
+	}
+
+	/* Do any final GO7007 initialization, then register the
+	 * V4L2 and ALSA interfaces */
+	if (go7007_register_encoder(go, num_i2c_devs) < 0)
+		goto allocfail;
+
+	go->status = STATUS_ONLINE;
+	return 0;
+
+allocfail:
+	go7007_usb_release(go);
+	kfree(go);
+	return -ENOMEM;
+}
+
+static void go7007_usb_disconnect(struct usb_interface *intf)
+{
+	struct go7007 *go = to_go7007(usb_get_intfdata(intf));
+
+	mutex_lock(&go->queue_lock);
+	mutex_lock(&go->serialize_lock);
+
+	if (go->audio_enabled)
+		go7007_snd_remove(go);
+
+	go->status = STATUS_SHUTDOWN;
+	v4l2_device_disconnect(&go->v4l2_dev);
+	video_unregister_device(&go->vdev);
+	mutex_unlock(&go->serialize_lock);
+	mutex_unlock(&go->queue_lock);
+
+	v4l2_device_put(&go->v4l2_dev);
+}
+
+static struct usb_driver go7007_usb_driver = {
+	.name		= "go7007",
+	.probe		= go7007_usb_probe,
+	.disconnect	= go7007_usb_disconnect,
+	.id_table	= go7007_usb_id_table,
+};
+
+module_usb_driver(go7007_usb_driver);
+MODULE_LICENSE("GPL v2");