Gadmei USB TVBox UTV380
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A Small USB based analogue capture device using EM2860 and Xceive xc2028 chip Tuner.
It is currently not supported under Linux.
Overview/Features
- It has Television and S-Video inputs via a Two separate 3.5mm tail cables
- It falls under V4L's "Em28xx devices" category (being based upon an EM2860 usb bridge)
Components Used
Verified using dmesg as well as physical inspection of the PCB.
- Empia EM2860 (USB video bridge)
- Empia EMP202 (AC'97 audio processor)
- NXP/Philips SAA7113 (video decoder)
- Xceive XC2028ACQ (Analog chip tuner)
- 24C04 (EEPROM)
- HCF4052 (4-channel Analog multiplexer)
Other Pictures
Current Status
- Currently it works after patching the v4l-dvb.
- Need to test the sound and Composite inputs.
Update: I tried the sox command to route the /dev/dsp1 to /dev/dsp, but it thrown error saying /dev/dsp1 is already locked and cannot open. I think it is due to the pulse audio already locked it. But still I can't get any sound may be some gpio registers deed to be set or the device definition needs some change. Any inputs are welcome. I am testing this on ubuntu Lucid 10.04 64-bit.
- Will release the patch soon.
- I need help on releasing this as a Patch upstream.
- Anybody interested can contact me jeevas.v AT gmail.com
To make it work
I have done these changes to make it work.
- 1. extract the Xcieve firmware for xc2028 and copy to /lib/firmware as mentioned in the em28xx page.
- 2. extract the latest v4l-dvb source as mentioned in the em28xx page.
- 3. go to v4l-dvb/linux/media/video/em28xx folder.
- 4. edit em28xx.h file and add the device:
. . #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 #define EM2800_BOARD_VC211A 74 #define EM2882_BOARD_DIKOM_DK300 75 #define EM2860_BOARD_GADMEI_UTV380 76 . .
- 5 edit em28xx-cards.c and add the card in card definitions
.
.
.
[EM2860_BOARD_GADMEI_UTV380] = {
.name = "Gadmei UTV380",
.tuner_type = TUNER_XC2028,
.tuner_gpio = default_tuner_gpio,
.has_dvb = 0,
.decoder = EM28XX_SAA711X,
.input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = EM28XX_AMUX_VIDEO,
}, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = EM28XX_AMUX_LINE_IN,
} }
},
.
.
.
And also add the card's usb id in the list if it is not already there.
.
.
{ USB_DEVICE(0xeb1a, 0x50a3),
.driver_info = EM2860_BOARD_GADMEI_UTV380 },
.
.
- 6. Edit em28xx-core.c and make sure that the AC97 audio processor is properly detected. In this case I have to add one more vendor based on the dmesg output.
. .
/* Try to identify what audio processor we have */ if (((vid == 0xffffffff)||(vid == 0x83847650)) && (feat == 0x6a90)) dev->audio_mode.ac97 = EM28XX_AC97_EM202; else if ((vid >> 8) == 0x838476) dev->audio_mode.ac97 = EM28XX_AC97_SIGMATEL; . .
- 7. Then execute the following commands to build and install the kernel modules.
sudo make distclean sudo make menuconfig (Due to some error I have to disable one of the modules in the list to get past the compilation). sudo make sudo make install
- 8. After this restart your machine, plugin your device and start your favourite tv app and enjoy.
Identification
- Output of lsusb -v:
$ lsusb -v -d eb1a:50a3
Bus 002 Device 004: ID eb1a:50a3 eMPIA Technology, Inc. Gadmei UTV380 TV Box Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0xeb1a eMPIA Technology, Inc.
idProduct 0x50a3 Gadmei UTV380 TV Box
bcdDevice 1.00
iManufacturer 0
iProduct 1 UTV380
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 555
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 7
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x1400 3x 1024 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 39
bInCollection 1
baInterfaceNr( 0) 2
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0603 Line Connector
bAssocTerminal 0
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 2
bSourceID 1
bControlSize 1
bmaControls( 0) 0x03
Mute
Volume
bmaControls( 1) 0x00
iFeature 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 3
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 2
iTerminal 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 0
bDescriptorType 0
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 5
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 3
bDelay 1 frames
wFormatTag 1 PCM
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 8000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0024 1x 36 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x00
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Device Qualifier (for other device speed):
bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)