Hello to the list,
in my Samsung R55 laptop there is an integrated dvb-t device.
the listing of lsusb says it is a dibcom stk7700D wich should be a
stk7700p in another design.
lsusb -v:
Bus 005 Device 002: ID 1164:1efc YUAN High-Tech Development Co., Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1164 YUAN High-Tech Development Co., Ltd
idProduct 0x1efc
bcdDevice 0.01
iManufacturer 1 dibcom
iProduct 2 STK7700D
iSerial 3 0000000001
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 46
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 4
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 1
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 1
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)
-------
So i tried to get the dib driver to work and added my device to the
dib0700_device.c (source's from http://linuxtv.org/hg/v4l-dvb).
dmesg:
[ 14.468000] dib0700: loaded with support for 3 different device-types
[ 14.516000] check for cold 10b8 1e14
[ 14.516000] check for cold 10b8 1e78
[ 14.516000] check for cold 2040 7050
[ 14.516000] check for cold 7ca a807
[ 14.516000] check for cold 185b 1e78
[ 14.516000] check for cold 1584 6003
[ 14.516000] check for cold 2040 9941
[ 14.516000] check for cold 2040 9950
[ 14.516000] check for cold 1164 1efc
[ 14.516000] dvb-usb: found a 'YUAN Tech STK7700D with XC3028' in
cold state, will try to load a firmware
[ 14.664000] dvb-usb: downloading firmware from file
'dvb-usb-dib0700-01.fw'
[ 14.840000] dib0700: firmware started successfully.
[ 15.344000] dvb-usb: found a 'YUAN Tech STK7700D with XC3028' in
warm state.
[ 15.344000] power control: 1
[ 15.344000] dvb-usb: will pass the complete MPEG2 transport stream to
the software demuxer.
[ 15.344000] DVB: registering new adapter (YUAN Tech STK7700D with
XC3028).
[ 15.560000] DVB: registering frontend 0 (DiBcom 7000PC)...
[ 15.560000] Tuner: registering extension (MT2060 Silicon Tuner)
[ 15.656000] mt2060 I2C read failed
[ 15.656000] power control: 0
[ 15.656000] dvb-usb: YUAN Tech STK7700D with XC3028 successfully
initialized and connected.
[ 15.656000] usbcore: registered new interface driver dvb_usb_dib0700
-------
This works until the tuner gets registered. (There were also an older
posting http://www.mail-archive.com/linux-dvb@xxxxxxxxxxx/msg20994.html)
I found out that there is a xc3028 tuner on the device. This based of
investigating the windows driver. It includes a file named xc3028.rom
and the inf file had the following line for the device:
%YUAN.DeviceDesc_cold% = MOD7000.Device,USB
\VID_1164&PID_1EFC ; C version + 843 + 3028, NO AV S & NO FM
%YUAN.DeviceDesc% = MOD7000.Device,USB
\VID_1164&PID_1EFD&MI_00 ; C version + 843 + 3028, NO AV S & NO FM
So i tried to understand the xc3028-tuner.c .
I think i need to port the driver to the dvb-frontend framework to get
it working?? or is there another way?
The em28xx-dvb driver use another driver for the dvb-tuner not the
xc3028 ?
My last question, Does anybody know what the 843 chip could be? Its
written in the inf file of the windows driver. Because it is build-in
the laptop i can not get a picture of the device :-(
Thanks at all
Michael Wünscher
(Germany - Berlin)
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