1#ifndef __ASM_IA64_IOSAPIC_H 2#define __ASM_IA64_IOSAPIC_H 3 4#define IOSAPIC_DEFAULT_ADDR 0xFEC00000 5 6#define IOSAPIC_REG_SELECT 0x0 7#define IOSAPIC_WINDOW 0x10 8#define IOSAPIC_EOI 0x40 9 10#define IOSAPIC_VERSION 0x1 11 12/* 13 * Redirection table entry 14 */ 15#define IOSAPIC_RTE_LOW(i) (0x10+i*2) 16#define IOSAPIC_RTE_HIGH(i) (0x11+i*2) 17 18#define IOSAPIC_DEST_SHIFT 16 19 20/* 21 * Delivery mode 22 */ 23#define IOSAPIC_DELIVERY_SHIFT 8 24#define IOSAPIC_FIXED 0x0 25#define IOSAPIC_LOWEST_PRIORITY 0x1 26#define IOSAPIC_PMI 0x2 27#define IOSAPIC_NMI 0x4 28#define IOSAPIC_INIT 0x5 29#define IOSAPIC_EXTINT 0x7 30 31/* 32 * Interrupt polarity 33 */ 34#define IOSAPIC_POLARITY_SHIFT 13 35#define IOSAPIC_POL_HIGH 0 36#define IOSAPIC_POL_LOW 1 37 38/* 39 * Trigger mode 40 */ 41#define IOSAPIC_TRIGGER_SHIFT 15 42#define IOSAPIC_EDGE 0 43#define IOSAPIC_LEVEL 1 44 45/* 46 * Mask bit 47 */ 48#define IOSAPIC_MASK_SHIFT 16 49#define IOSAPIC_UNMASK 0 50#define IOSAPIC_MSAK 1 51 52#ifndef __ASSEMBLY__ 53 54extern void __devinit iosapic_init (unsigned long address, 55 unsigned int gsi_base, 56 int pcat_compat); 57extern int gsi_to_vector (unsigned int gsi); 58extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity, 59 unsigned long edge_triggered, 60 u32 gsi_base, char *iosapic_address); 61extern void iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi, 62 unsigned long polarity, 63 unsigned long edge_triggered); 64extern int iosapic_register_platform_intr (u32 int_type, 65 unsigned int gsi, 66 int pmi_vector, 67 u16 eid, u16 id, 68 unsigned long polarity, 69 unsigned long edge_triggered, 70 unsigned int gsi_base, 71 char *iosapic_address); 72extern unsigned int iosapic_version (char *addr); 73 74extern void iosapic_pci_fixup (int); 75 76# endif /* !__ASSEMBLY__ */ 77#endif /* __ASM_IA64_IOSAPIC_H */ 78