Re: [PARPORT] Mysterious PCI Dual Parallel Port Card

From: Tim Waugh (twaugh@redhat.com)
Date: Sun Nov 26 2000 - 18:08:11 EST

  • Next message: Erik Sigra: "Re: [PARPORT] Please help me configuring my parport!"

    On Sun, Nov 26, 2000 at 02:30:14PM +0000, Dave Farrance wrote:

    > So, where do I go from here? Suggestions as to which documents to read etc.
    > will be gratefully received.

    The output of 'lspci -nvv' would be handy, so that we can see which
    I/O regions are in which base address registers (probably 0 and 1, but
    you never know).

    You could try this patch (against 2.2.18pre23, should apply to any
    recent 2.2 kernel), which stands a reasonable chance of making it Just
    Work:

    --- linux/include/linux/pci.h.9940 Sun Nov 26 23:01:28 2000
    +++ linux/include/linux/pci.h Sun Nov 26 23:02:02 2000
    @@ -1101,6 +1101,7 @@
     
     #define PCI_VENDOR_ID_AFAVLAB 0x14db
     #define PCI_DEVICE_ID_AFAVLAB_TK9902 0x2120
    +#define PCI_DEVICE_ID_AFAVLAB_9940 0x2121
     
     #define PCI_VENDOR_ID_SYMPHONY 0x1c1c
     #define PCI_DEVICE_ID_SYMPHONY_101 0x0001
    --- linux/drivers/misc/parport_pc.c.9940 Sun Nov 26 23:02:17 2000
    +++ linux/drivers/misc/parport_pc.c Sun Nov 26 23:03:45 2000
    @@ -906,6 +906,8 @@
                       { { 0, -1 }, } },
                     { PCI_VENDOR_ID_AFAVLAB, PCI_DEVICE_ID_AFAVLAB_TK9902, 1,
                       { { 0, 1 }, } },
    + { PCI_VENDOR_ID_AFAVLAB, PCI_DEVICE_ID_AFAVLAB_9940, 2,
    + { { 0, -1 }, { 1, -1 }, } },
                     { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_16PCI954PP, 1,
                       { { 0, -1 }, } },
                     { PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_12PCI840, 1,

    ..or you could just try:

    # dmesg -c > /dev/null
    # insmod parport
    # insmod parport_pc io=0xa000
    # rmmod parport_pc
    # insmod parport_pc io=0xa400
    # rmmod parport_pc
    # dmesg > output

    and show us the resulting 'output' file.

    Tim.
    */



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