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SumDog n00b
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Joined: 16 Dec 2005 Posts: 22 Location: Chicago, USA
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Posted: Thu Jul 25, 2024 3:57 am Post subject: Is there kernel support for a CH384 Dual Serial/Parallel PCI |
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I have a 1x PCI-e card that has a parallel port (and two serial headers) I want to be able to use in an x86 VM (running Win95 ... retro hardware project). I can't seem to get it recognized though. The following is the output from lspci
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0f:00.0 Serial controller: Nanjing Qinheng Microelectronics Co., Ltd. CH384 Dual Port Serial and Parallel Port Adapter (rev 10)
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and from lwhw
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*-communication UNCLAIMED
description: Serial controller
product: CH384 Dual Port Serial and Parallel Port Adapter
vendor: Nanjing Qinheng Microelectronics Co., Ltd.
physical id: 0
bus info: pci@0000:0f:00.0
version: 10
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress 16850 cap_list
configuration: latency=0
resources: ioport:c000(size=256) memory:f5d00000-f5d07fff ioport:c100(size=4) memory:c0400000-c0407fff
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I'm on the 6.6.41-gentoo kernel. I've build and loaded the parport_pc and parport modules. They should up in lsmod when I modprobe them, but nothing on dmesg and this card still shows as UNCLAIMED in lshw. The only think I've found for this model number has been definitions in this serial drive config (and the 8250 is enabled in my kernel):
https://github.com/torvalds/linux/blob/master/drivers/tty/serial/8250/8250_pci.c
Does this device work in Linux, or is this a lost cause? |
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dmpogo Advocate
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Joined: 02 Sep 2004 Posts: 3351 Location: Canada
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Posted: Thu Jul 25, 2024 6:57 am Post subject: |
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Did you set to yes or module CONFIG_PARPORT_SERIAL which is in device drivers/ Parallel port support / pc style hardware ?
Last edited by dmpogo on Thu Jul 25, 2024 6:35 pm; edited 1 time in total |
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SumDog n00b
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Joined: 16 Dec 2005 Posts: 22 Location: Chicago, USA
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Posted: Thu Jul 25, 2024 3:42 pm Post subject: |
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dmpogo wrote: | Did you set to yes or module CONFIG_PARPORT_SERIAL |
Ah yes, that was it. I did have it configured, but didn't run "modprobe parport_serial"
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[43550.962222] parport_serial 0000:0f:00.0: enabling device (0000 -> 0003)
[43550.962513] parport0: PC-style at 0xc100, irq 37 [PCSPP,TRISTATE]
[43551.054130] 0000:0f:00.0: ttyS0 at I/O 0xc0c0 (irq = 37, base_baud = 115200) is a XR16850
[43551.054330] 0000:0f:00.0: ttyS1 at I/O 0xc0c8 (irq = 37, base_baud = 115200) is a XR16850
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I also had to set CONFIG_PPDEV and run "modprobe ppdev" to get /dev/parport0 to show up.
Thanks! |
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