Altera Embedded Peripherals IP - Manual (Page 282)

Data Structure
Table 28-11: Device Data Structure
#define ALT_VIC_MAX_INTR_PORTS (32)
typedef struct alt_vic_dev
{
void *base; /* Base address of VIC */
alt_u32 intr_controller_id; /* Interrupt controller ID */
alt_u32 num_of_intr_ports; /* Number of interrupt ports */
alt_u32 ril_width; /* RIL width */
alt_u32 daisy_chain_present; /* Daisy-chain input present */
alt_u32 vec_size; /* Vector size */
void *vec_addr; /* Vector table base address */
alt_u32 int_config[ALT_VIC_MAX_INTR_PORTS]; /* INT_CONFIG settings
for each interrupt */
} alt_vic_dev;
VIC API
The VIC device driver provides all the routines required of an Altera HAL external interrupt controller
(EIC) device driver. The following functions are required by the Altera Nios II enhanced HAL interrupt
API:
UG-01085
2014.24.07
Data Structure 28-13
Vectored Interrupt Controller Core Altera Corporation
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