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| author |   H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-11-04 10:54:38 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-07 09:34:01 -0800 |
| commit | 3da982374a85455bc16003c95827871d11d5fca1 (patch) | |
| tree | bc7d49b593a2cc742564bf6aa5d7a046c691b999 /drivers/staging/comedi/drivers/addi_apci_3120.c | |
| parent | staging: comedi: addi_apci_3120: rename APCI3120_RD_STATUS (diff) | |
| download | linux-dev-3da982374a85455bc16003c95827871d11d5fca1.tar.xz linux-dev-3da982374a85455bc16003c95827871d11d5fca1.zip | |
staging: comedi: addi_apci_3120: define status register bits
Define the bits in the status register and use them to clarify the code.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/addi_apci_3120.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_3120.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c index d47b2e0f624b..c18ee1750237 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3120.c +++ b/drivers/staging/comedi/drivers/addi_apci_3120.c @@ -21,7 +21,16 @@ #define APCI3120_CTRL_PR(x) (((x) & 0xf) << 8) #define APCI3120_CTRL_PA(x) (((x) & 0xf) << 0) #define APCI3120_STATUS_REG 0x02 +#define APCI3120_STATUS_EOC_INT (1 << 15) +#define APCI3120_STATUS_AMCC_INT (1 << 14) +#define APCI3120_STATUS_EOS_INT (1 << 13) +#define APCI3120_STATUS_TIMER2_INT (1 << 12) +#define APCI3120_STATUS_INT_MASK (0xf << 12) +#define APCI3120_STATUS_TO_DI_BITS(x) (((x) >> 8) & 0xf) #define APCI3120_STATUS_TO_VERSION(x) (((x) >> 4) & 0xf) +#define APCI3120_STATUS_FIFO_FULL (1 << 2) +#define APCI3120_STATUS_FIFO_EMPTY (1 << 1) +#define APCI3120_STATUS_DA_READY (1 << 0) #define APCI3120_TIMER_REG 0x04 #define APCI3120_CHANLIST_REG 0x06 #define APCI3120_CHANLIST_INDEX(x) (((x) & 0xf) << 8) |