[IA64] Minor cleanups - remove CONFIG_ACPI_DEALLOCATE_IRQ
[linux-3.10.git] / include / asm-ia64 / iosapic.h
1 #ifndef __ASM_IA64_IOSAPIC_H
2 #define __ASM_IA64_IOSAPIC_H
3
4 #define IOSAPIC_REG_SELECT      0x0
5 #define IOSAPIC_WINDOW          0x10
6 #define IOSAPIC_EOI             0x40
7
8 #define IOSAPIC_VERSION         0x1
9
10 /*
11  * Redirection table entry
12  */
13 #define IOSAPIC_RTE_LOW(i)      (0x10+i*2)
14 #define IOSAPIC_RTE_HIGH(i)     (0x11+i*2)
15
16 #define IOSAPIC_DEST_SHIFT              16
17
18 /*
19  * Delivery mode
20  */
21 #define IOSAPIC_DELIVERY_SHIFT          8
22 #define IOSAPIC_FIXED                   0x0
23 #define IOSAPIC_LOWEST_PRIORITY 0x1
24 #define IOSAPIC_PMI                     0x2
25 #define IOSAPIC_NMI                     0x4
26 #define IOSAPIC_INIT                    0x5
27 #define IOSAPIC_EXTINT                  0x7
28
29 /*
30  * Interrupt polarity
31  */
32 #define IOSAPIC_POLARITY_SHIFT          13
33 #define IOSAPIC_POL_HIGH                0
34 #define IOSAPIC_POL_LOW         1
35
36 /*
37  * Trigger mode
38  */
39 #define IOSAPIC_TRIGGER_SHIFT           15
40 #define IOSAPIC_EDGE                    0
41 #define IOSAPIC_LEVEL                   1
42
43 /*
44  * Mask bit
45  */
46
47 #define IOSAPIC_MASK_SHIFT              16
48 #define IOSAPIC_MASK                    (1<<IOSAPIC_MASK_SHIFT)
49
50 #ifndef __ASSEMBLY__
51
52 #ifdef CONFIG_IOSAPIC
53
54 #define NR_IOSAPICS                     256
55
56 static inline unsigned int iosapic_read(char __iomem *iosapic, unsigned int reg)
57 {
58         writel(reg, iosapic + IOSAPIC_REG_SELECT);
59         return readl(iosapic + IOSAPIC_WINDOW);
60 }
61
62 static inline void iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
63 {
64         writel(reg, iosapic + IOSAPIC_REG_SELECT);
65         writel(val, iosapic + IOSAPIC_WINDOW);
66 }
67
68 static inline void iosapic_eoi(char __iomem *iosapic, u32 vector)
69 {
70         writel(vector, iosapic + IOSAPIC_EOI);
71 }
72
73 extern void __init iosapic_system_init (int pcat_compat);
74 extern int __devinit iosapic_init (unsigned long address,
75                                     unsigned int gsi_base);
76 #ifdef CONFIG_HOTPLUG
77 extern int iosapic_remove (unsigned int gsi_base);
78 #else
79 #define iosapic_remove(gsi_base)                                (-EINVAL)
80 #endif /* CONFIG_HOTPLUG */
81 extern int gsi_to_vector (unsigned int gsi);
82 extern int gsi_to_irq (unsigned int gsi);
83 extern void iosapic_enable_intr (unsigned int vector);
84 extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
85                                   unsigned long trigger);
86 extern void iosapic_unregister_intr (unsigned int irq);
87 extern void __init iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
88                                       unsigned long polarity,
89                                       unsigned long trigger);
90 extern int __init iosapic_register_platform_intr (u32 int_type,
91                                            unsigned int gsi,
92                                            int pmi_vector,
93                                            u16 eid, u16 id,
94                                            unsigned long polarity,
95                                            unsigned long trigger);
96 extern unsigned int iosapic_version (char __iomem *addr);
97
98 extern void iosapic_pci_fixup (int);
99 #ifdef CONFIG_NUMA
100 extern void __devinit map_iosapic_to_node (unsigned int, int);
101 #endif
102 #else
103 #define iosapic_system_init(pcat_compat)                        do { } while (0)
104 #define iosapic_init(address,gsi_base)                          (-EINVAL)
105 #define iosapic_remove(gsi_base)                                (-ENODEV)
106 #define iosapic_register_intr(gsi,polarity,trigger)             (gsi)
107 #define iosapic_unregister_intr(irq)                            do { } while (0)
108 #define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger)  do { } while (0)
109 #define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
110         polarity,trigger)                                       (gsi)
111 #endif
112
113 # endif /* !__ASSEMBLY__ */
114 #endif /* __ASM_IA64_IOSAPIC_H */