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staging: comedi: ni_tio: tidy up Gxx_Interrupt_Acknowledge_Bits

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Convert this enum and the others related to it into defines and
rename the CamelCase symbols.

For aesthetics, move the new defines so they are associated with
the register define.

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>
This commit is contained in:
H Hartley Sweeten 2014-07-28 10:26:58 -07:00 • committed by Greg Kroah-Hartman
parent 923de26e74
commit 4bf9d435b2
2 changed files with 8 additions and 32 deletions
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32
drivers/staging/comedi/drivers/ni_tio_internal.h
View file

@ -144,37 +144,13 @@
#define GI_DRQ_STATUS (1 << 15)
#define NITIO_ABZ_REG(x) (NITIO_G0_ABZ + (x))
#define NITIO_INT_ACK_REG(x) (NITIO_G0_INT_ACK + (x))
#define GI_GATE_ERROR_CONFIRM(x) (((x) % 2) ? (1 << 1) : (1 << 5))
#define GI_TC_ERROR_CONFIRM(x) (((x) % 2) ? (1 << 2) : (1 << 6))
#define GI_TC_INTERRUPT_ACK (1 << 14)
#define GI_GATE_INTERRUPT_ACK (1 << 15)
#define NITIO_STATUS_REG(x) (NITIO_G0_STATUS + (x))
#define NITIO_INT_ENA_REG(x) (NITIO_G0_INT_ENA + (x))
enum G02_Interrupt_Acknowledge_Bits {
G0_Gate_Error_Confirm_Bit = 0x20,
G0_TC_Error_Confirm_Bit = 0x40
};
enum G13_Interrupt_Acknowledge_Bits {
G1_Gate_Error_Confirm_Bit = 0x2,
G1_TC_Error_Confirm_Bit = 0x4
};
static inline unsigned Gi_Gate_Error_Confirm_Bit(unsigned counter_index)
{
if (counter_index % 2)
return G1_Gate_Error_Confirm_Bit;
return G0_Gate_Error_Confirm_Bit;
}
static inline unsigned Gi_TC_Error_Confirm_Bit(unsigned counter_index)
{
if (counter_index % 2)
return G1_TC_Error_Confirm_Bit;
return G0_TC_Error_Confirm_Bit;
}
/* bits that are the same in G0/G2 and G1/G3 interrupt acknowledge registers */
enum Gxx_Interrupt_Acknowledge_Bits {
Gi_TC_Interrupt_Ack_Bit = 0x4000,
Gi_Gate_Interrupt_Ack_Bit = 0x8000
};
enum Gi_Status_Bits {
Gi_Gate_Interrupt_Bit = 0x4,
Gi_TC_Bit = 0x8,

8
drivers/staging/comedi/drivers/ni_tiocmd.c
View file

@ -378,7 +378,7 @@ void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, int *gate_error,
*stale_data = 0;
if (gxx_status & GI_GATE_ERROR(cidx)) {
ack |= Gi_Gate_Error_Confirm_Bit(cidx);
ack |= GI_GATE_ERROR_CONFIRM(cidx);
if (gate_error) {
/*660x don't support automatic acknowledgement
of gate interrupt via dma read/write
@ -390,15 +390,15 @@ void ni_tio_acknowledge_and_confirm(struct ni_gpct *counter, int *gate_error,
}
}
if (gxx_status & GI_TC_ERROR(cidx)) {
ack |= Gi_TC_Error_Confirm_Bit(cidx);
ack |= GI_TC_ERROR_CONFIRM(cidx);
if (tc_error)
*tc_error = 1;
}
if (gi_status & Gi_TC_Bit)
ack |= Gi_TC_Interrupt_Ack_Bit;
ack |= GI_TC_INTERRUPT_ACK;
if (gi_status & Gi_Gate_Interrupt_Bit) {
if (should_ack_gate(counter))
ack |= Gi_Gate_Interrupt_Ack_Bit;
ack |= GI_GATE_INTERRUPT_ACK;
}
if (ack)
write_register(counter, ack, NITIO_INT_ACK_REG(cidx));