Messages in this thread | | | Date | Fri, 17 Jun 2005 08:35:45 +0100 | From | James Courtier-Dutton <> | Subject | Re: Bug in pcmcia-core |
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Wakko Warner wrote: > James Courtier-Dutton wrote: > >>I am trying to write a Linux ALSA driver for the Creative Audigy 2 NX >>Notebook PCMCIA card. >>This is a cardbus card, that uses ioports. >>When it is inserted into the laptop, the entry appears in "lspci -vv " >>showing ioports used by the card. >>As soon as my driver uses "outb()" to anything in the address range >>shown in "lspci -vv" , the PC hangs. >> >>I can only conclude from this that ioport resources are not being >>allocated correctly to the PCMCIA card. >> >>Can anybody help me track this down. If someone could tell me which >>PCMCIA and PCI registers should be set for it to work, I could then find >>out which pcmcia registers have not been set correctly, and fix the bug. >> >>It seems that the PCMCIA specification is not open and free, so I cannot >>refer to it in order to fix this myself. > > > I thought drivers for the cardbus cards were the same as standard PCI cards. > I know that as far as networking goes, the same driver runs a cardbus 3com > 3c575 and the pci 3c905. Same with netgear's cardbus FA510 and PCI FA310. > > I'm not a kernel developer, but this is what I've understood. >
That is also what I thought. But I think that the cardbus 3com 3c575 uses memory for io and not ioports. I think the problem is related to the use of ioports on an cardbus card.
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