Hi Matias, On Friday 30 March 2012 09:42:14 Matias Aguirre wrote: > My name is Matias and im a programmer. I need to ask some things to > you about the creation of new modules into the kernel for TV > adapters. I have a new TV adapter with the chipset DM1305. > > I have the firmware of this chipset.. can i start with that or i need > more info? First of all you should ask on the linux-media mailing list whether there is already someone working on a driver for this device. (CC'd) If not having the firmware-binary is not enough, you also need to know how to communicate with it and what kind of messages have to be sent to the firmware to make it do something. If you do not have any documentation about it (and you cannot get hold of it from the vendor), you need to reverse-engineer the communication. This is where the vp7045-example comes into the game: the vp7045 has a relatively simple firmware interface which can help you to quickly make a driver for you device. But, there is two different dvb usb device types: 1) the USB-firmware contains the demod/tuner-drivers and the firmware interface is high-level. (this is the case for the vp7045) or 2) the USB-firmware only implements a bridge for I2C/SPI or other control protocols and the demod/tuner-drivers have to be handled from the host. If your device is of the 2nd kind you should rather look at cxusb.c . HTH -- Patrick Kernel Labs Inc. http://www.kernellabs.com/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
