Re: WCH CH-382 support: help with patching

["Matwey V. Kornilov" <matwey.kornilov@gmail.com>]

Hi,

I am just received the similar board, but it is strange that I have
different device-id, which is 3050.

Where did you get vendor driver from?


22.01.2014 15:51, Sergej Pupykin пишет:
> 
> Hi,
> 
> I have wch ch382 board which is mostly similar to already supported
> ch353 I think. But 382 works in PCI-E slot whereas 353 in PCI.
> 
> I've written a patch and LPT looks working with
> parport_serial. (Actually it works even using "modprobe parport_pc
> io=0xe100")
> 
> But I have some problems with ttyS*.
> 
> Here are changes between CH353-2S1P and CH382-2S1P in vendor driver:
> 
>            CH353  CH382
> type       16550  16750
> IntrBar    3      0
> IntrOffset 0x0F   0xE9
> ofs1       0,0    0xC0,0xC8
> 
> As I understand last line is offset to uart I/O ports, so I put 0xC0
> to pci_parport_serial_boards[].first_offset and uart_offset is 8, so
> /sys/class/tty/ttyS0/port is 0xE0C0
> /sys/class/tty/ttyS1/port is 0xE0C8
> and lspci -v reports "I/O ports at e000 [size=256]"
> 
> But I cannot find where should I put interrupt parameters IntrBar and
> IntrOffset. Probably this is the reason why ttyS* don't work.
> 
> Here is vendor WCH driver:
> https://home.p5n.pp.ru/~sergej/files/wch-driver.tar.gz
> 
> My patch is in attachment.
> 


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