diff options
Diffstat (limited to 'src/southbridge/intel/common/acpi_pirq_gen.h')
| -rw-r--r-- | src/southbridge/intel/common/acpi_pirq_gen.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/southbridge/intel/common/acpi_pirq_gen.h b/src/southbridge/intel/common/acpi_pirq_gen.h index 83476d16ca88..4799528fcc3d 100644 --- a/src/southbridge/intel/common/acpi_pirq_gen.h +++ b/src/southbridge/intel/common/acpi_pirq_gen.h @@ -3,6 +3,7 @@ #ifndef INTEL_COMMON_ACPI_PIRQ_GEN_H #define INTEL_COMMON_ACPI_PIRQ_GEN_H +#include <assert.h> #include <device/device.h> #define MAX_SLOTS 32 @@ -17,6 +18,7 @@ enum pci_pin { }; enum pirq { + PIRQ_INVALID, PIRQ_A, PIRQ_B, PIRQ_C, @@ -25,10 +27,15 @@ enum pirq { PIRQ_F, PIRQ_G, PIRQ_H, - PIRQ_COUNT, - PIRQ_INVALID = 0xff, + PIRQ_COUNT = PIRQ_H, }; +static inline size_t pirq_idx(enum pirq pirq) +{ + assert(pirq > PIRQ_INVALID && pirq <= PIRQ_H); + return (size_t)(pirq - PIRQ_A); +} + /* * This struct represents an assignment of slot/pin -> IRQ. Some chipsets may * want to provide both PIC-mode and APIC-mode IRQs (e.g. selected using PICM |