diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2011-05-16 12:05:54 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-17 13:33:39 -0700 |
| commit | cfe3cffd8e44c0b69c9c50a1659acbd32ac19b70 (patch) | |
| tree | 884ef0918214aa78b14f66ab1b82839c6ee90bd1 /drivers/staging/comedi | |
| parent | c5cbebf87f49dfb4f4ccdf86f6c24b4912a3061f (diff) | |
staging: comedi: adv_pci_dio: Add a counter subdevice to PCI-1751
The Advantech PCI-1751 has a 8254 counter chip on board. Add it to the
device as a counter subdevice. Apparently the counter can generate
interrupts although the driver does not currently use this capability.
Original patch by Ivan Russkih (Иван Русских) <vanekrus at gmail dot
com>.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/adv_pci_dio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index 9102667ab40e..d23799be7ce2 100644 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ b/drivers/staging/comedi/drivers/adv_pci_dio.c @@ -117,6 +117,7 @@ enum hw_io_access { /* Advantech PCI-1751/3/3E */ #define PCI1751_DIO 0 /* R/W: begin of 8255 registers block */ +#define PCI1751_CNT 24 /* R/W: begin of 8254 registers block */ #define PCI1751_ICR 32 /* W: Interrupt control register */ #define PCI1751_ISR 32 /* R: Interrupt status register */ #define PCI1753_DIO 0 /* R/W: begin of 8255 registers block */ @@ -329,7 +330,7 @@ static const struct dio_boardtype boardtypes[] = { { {0, 0, 0, 0}, {0, 0, 0, 0} }, { {48, PCI1751_DIO, 2, 0}, {0, 0, 0, 0} }, {0, 0, 0, 0}, - { {0, 0, 0, 0} }, + { {3, PCI1751_CNT, 1, 0} }, IO_8b}, {"pci1752", PCI_VENDOR_ID_ADVANTECH, 0x1752, PCIDIO_MAINREG, TYPE_PCI1752, |