Re: au88x0 modem

[Raymond <rayau@netvigator.com>]

Sasha Khapyorsky wrote:
>
> 
> Great, the secondary modem codec is there. The valid codec id bits are
> 24:25 (AC97 interface supports up to four codecs):
> 
> #define VORTEX_CODEC_ID_SHIFT 24
> 
> I will send cleaned codec access patch separately and will look what is
> next.


It would be more easy to debug/maintain the driver if using different
read/write routines for audio and modem codec.

Audio codec is always primary in sound card and audio/modem combo

The existing vortex_codec_read() and vortex_codec_write() can remain
unchanged.

Just add new routine vortex_modem_codec_read() vortex_modem_code_write()
to handle secondary/primary modem codec for audio/modem combo and PCI
modem card.

http://www.nix.ru/autocatalog/modems/AurVcomPCIV90RTL_5817.html

Make sure your patch is 32bits/64bits compatible

AMD64 user may use the  PCI audio/modem combo card and PCI modem card.

 > mainly I'm not about cleanups now. The goal is to hack modem. It looks
 > for me that right sequence is:
 >
 > 1. Find and initialize modem codec (secondary).
 > 2. Find and hack appropriate DMA channels, initialize modem PCM.
 > 3. Find valid way to access GPIO (for DAA controls like Hook-Off)
 > 4. Chipset detailed cleanups.
 >
 > Currently we are in (1).

I guess (1) and (3) already completed at least for Si3036 in L8400B








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