1 #ifndef __ASM_IA64_IOSAPIC_H
2 #define __ASM_IA64_IOSAPIC_H
4 #define IOSAPIC_DEFAULT_ADDR 0xFEC00000
6 #define IOSAPIC_REG_SELECT 0x0
7 #define IOSAPIC_WINDOW 0x10
8 #define IOSAPIC_EOI 0x40
10 #define IOSAPIC_VERSION 0x1
13 * Redirection table entry
15 #define IOSAPIC_RTE_LOW(i) (0x10+i*2)
16 #define IOSAPIC_RTE_HIGH(i) (0x11+i*2)
18 #define IOSAPIC_DEST_SHIFT 16
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
34 #define IOSAPIC_POLARITY_SHIFT 13
35 #define IOSAPIC_POL_HIGH 0
36 #define IOSAPIC_POL_LOW 1
41 #define IOSAPIC_TRIGGER_SHIFT 15
42 #define IOSAPIC_EDGE 0
43 #define IOSAPIC_LEVEL 1
49 #define IOSAPIC_MASK_SHIFT 16
50 #define IOSAPIC_MASK (1<<IOSAPIC_MASK_SHIFT)
56 #define NR_IOSAPICS 256
58 extern void __init iosapic_system_init (int pcat_compat);
59 extern void __init iosapic_init (unsigned long address,
60 unsigned int gsi_base);
61 extern int gsi_to_vector (unsigned int gsi);
62 extern int gsi_to_irq (unsigned int gsi);
63 extern void __init iosapic_parse_prt (void);
64 extern void iosapic_enable_intr (unsigned int vector);
65 extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
66 unsigned long trigger);
67 extern void __init iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
68 unsigned long polarity,
69 unsigned long trigger);
70 extern int __init iosapic_register_platform_intr (u32 int_type,
74 unsigned long polarity,
75 unsigned long trigger);
76 extern unsigned int iosapic_version (char *addr);
78 extern void iosapic_pci_fixup (int);
80 #define iosapic_system_init(pcat_compat) do { } while (0)
81 #define iosapic_init(address,gsi_base) do { } while (0)
82 #define iosapic_register_intr(gsi,polarity,trigger) (gsi)
83 #define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger) do { } while (0)
84 #define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
85 polarity,trigger) (gsi)
88 # endif /* !__ASSEMBLY__ */
89 #endif /* __ASM_IA64_IOSAPIC_H */