2011/8/29 Antti Palosaari <crope@xxxxxx>: > On 08/29/2011 05:44 PM, István Váradi wrote: >> >> Hi, >> >> 2011/8/17 Antti Palosaari<crope@xxxxxx>: >>> >>> On 08/15/2011 02:14 PM, Antti Palosaari wrote: >>>> >>>> On 08/15/2011 02:51 AM, Antti Palosaari wrote: >>>>> >>>>> Biggest problem I see whole thing is poor application support. OpenCT >>>>> is >>>>> rather legacy but there is no good alternative. All this kind of serial >>>>> drivers seems to be OpenCT currently. >>>> >>>> I wonder if it is possible to make virtual CCID device since CCID seems >>>> to be unfortunately the only interface SmartCard guys currently care. >>> >>> I studied scenario and looks like it is possible to implement way like, >>> register virtual USB HCI (virtual motherboard USB controller) then >>> register virtual PC/SC device to that which hooks all calls to HW via >>> Anysee driver. Some glue surely needed for emulate PC/SC. I think there >>> is not any such driver yet. Anyhow, there is virtual USB HCI driver >>> currently in staging which can be used as example, or even use it to >>> register virtual device. That kind of functionality surely needs more >>> talking... >> >> It maybe that smartcard guys care only for CCID, but wouldn't it be an >> overkill to implement an emulation of that for the driver? It can be >> done, of course, but I think it would be much more complicated than >> the current one. Is it really necessary to put such complexity into >> the kernel? In my opinion, this should be handled in user-space. > > Only De facto serial smartcard protocol is so called Phoenix/Smartmouse, > implementing new protocol is totally dead idea. It will never got any > support. > > There is already such drivers, at least Infinity Unlimited USB Phoenix > driver (iuu_phoenix.c). It uses USB-serial driver framework and some small > emulation for Phoenix protocol. Look that driver to see which kind of > complexity it adds. Anysee have *just* same situation. Phoenix/Smartmouse and CCID are quite different aren't they? So to support Phoenix I would need provide a USB serial device which talks the protocol, but there would be no need for a virtual USB HCI. Is that correct? Regards, Istvan > > regards > Antti > > > -- > http://palosaari.fi/ > -- 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
