The Imaging Source DFG-USB2pro

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Right face of The Imaging Source DFG/USB2pro device
Left face of The Imaging Source DFG/USB2pro device

An USB video capture device from The Imaging Source based on a CX23102 chipset.

Overview/Features

  • USB interface
  • Inputs: Composite and S-Video In

Components Used

  • CX23102 (All in one Video/Audio to USB IC)
  • 24C02H (2-Kb EEPROM)

Other Images

Identification

# lsusb -v -d 199e:8002
Bus 003 Device 005: ID 199e:8002 The Imaging Source Europe GmbH 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x199e The Imaging Source Europe GmbH
  idProduct          0x8002 
  bcdDevice           40.01
  iManufacturer           1 The Imaging Source
  iProduct                2 DFG/USB2pro
  iSerial                 3 37710317
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength          248
    bNumInterfaces          6
    bConfigurationValue     1
    iConfiguration          4 DFG/USB2pro
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             32 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x8e  EP 14 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               4
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x0e  EP 14 OUT
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               4
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         1
      bInterfaceCount         5
      bFunctionClass        255 Vendor Specific Class
      bFunctionSubClass     255 Vendor Specific Subclass
      bFunctionProtocol     255 Vendor Specific Protocol
      iFunction               0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              7 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x8f  EP 15 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval               7
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             20 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             21 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x001c  1x 28 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             22 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0034  1x 52 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             23 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             24 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x00b8  1x 184 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             25 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x02d8  1x 728 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       3
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             26 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x13c4  3x 964 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       4
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             27 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0b84  2x 900 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        4
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             28 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x85  EP 5 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        4
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             31 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x05  EP 5 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        5
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             29 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x86  EP 6 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        5
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface             30 DFG/USB2pro
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x86  EP 6 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0240  1x 576 bytes
        bInterval               1
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0000
  (Bus Powered)

Making it Work

The Imaging Source DFG/USB2pro is not yet supported by Linux (as of v4.14).

Drivers

The Conexant CX2310x driver can be used with the following patch:

diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index 54d9d0c..99c8b1a 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -896,6 +896,32 @@ struct cx231xx_board cx231xx_boards[] = {
            },
        },
    },
+	[CX231XX_BOARD_THE_IMAGING_SOURCE_DFG_USB2_PRO] = {
+		.name = "The Imaging Source DFG/USB2pro",
+		.tuner_type = TUNER_ABSENT,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.norm = V4L2_STD_PAL,
+		.no_alt_vanc = 1,
+		.external_av = 1,
+		.input = {{
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_1_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_2_1 |
+				(CX231XX_VIN_2_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
 };
 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
 
@@ -967,6 +993,8 @@ struct usb_device_id cx231xx_id_table[] = {
    .driver_info = CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD},
    {USB_DEVICE(0x15f4, 0x0135),
    .driver_info = CX231XX_BOARD_ASTROMETA_T2HYBRID},
+	{USB_DEVICE(0x199e, 0x8002),
+	 .driver_info = CX231XX_BOARD_THE_IMAGING_SOURCE_DFG_USB2_PRO},
    {},
 };
 
diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h
index 72d5937..65b039c 100644
--- a/drivers/media/usb/cx231xx/cx231xx.h
+++ b/drivers/media/usb/cx231xx/cx231xx.h
@@ -80,6 +80,7 @@
 #define CX231XX_BOARD_TERRATEC_GRABBY 22
 #define CX231XX_BOARD_EVROMEDIA_FULL_HYBRID_FULLHD 23
 #define CX231XX_BOARD_ASTROMETA_T2HYBRID 24
+#define CX231XX_BOARD_THE_IMAGING_SOURCE_DFG_USB2_PRO 25
 
 /* Limits minimum and default number of buffers */
 #define CX231XX_MIN_BUF                 4
--

Sample Kernel Output

[   93.279127] usb 3-3: new high-speed USB device number 6 using xhci_hcd
[   93.431725] usb 3-3: New USB device found, idVendor=199e, idProduct=8002
[   93.431728] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   93.431729] usb 3-3: Product: DFG/USB2pro
[   93.431730] usb 3-3: Manufacturer: The Imaging Source
[   93.431731] usb 3-3: SerialNumber: 37710317
[   93.986220] cx231xx 3-3:1.1: New device The Imaging Source DFG/USB2pro @ 480 Mbps (199e:8002) with 6 interfaces
[   93.986248] cx231xx 3-3:1.1: Identified as The Imaging Source DFG/USB2pro (card=25)
[   93.986455] i2c i2c-9: Added multiplexed i2c bus 11
[   93.986493] i2c i2c-9: Added multiplexed i2c bus 12
[   94.104761] cx25840 8-0044: cx23102 A/V decoder found @ 0x88 (cx231xx #0-0)
[   96.105113] cx25840 8-0044: loaded v4l-cx231xx-avcore-01.fw firmware (16382 bytes)
[   96.136864] cx231xx 3-3:1.1: v4l2 driver version 0.0.3
[   96.228832] cx231xx 3-3:1.1: Registered video device video1 [v4l2]
[   96.228898] cx231xx 3-3:1.1: Registered VBI device vbi0
[   96.228901] cx231xx 3-3:1.1: video EndPoint Addr 0x84, Alternate settings: 5
[   96.228903] cx231xx 3-3:1.1: VBI EndPoint Addr 0x85, Alternate settings: 2
[   96.228905] cx231xx 3-3:1.1: sliced CC EndPoint Addr 0x86, Alternate settings: 2
[   96.229027] usbcore: registered new interface driver cx231xx
[   96.232691] cx231xx 3-3:1.1: audio EndPoint Addr 0x83, Alternate settings: 3
[   96.232694] cx231xx 3-3:1.1: Cx231xx Audio Extension initialized

Hardware differences with other devices

Note that in this device, the GPIO 1 is connected to the Composite input while the S-Video input is connected to the GPIO 2 whereas in all the other similar devices (TerraTec_Grabby for example), these inputs are inverted.

External Links