projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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); | |
| 0e888adc | 74 | extern int __devinit iosapic_init (unsigned long address, |
| 1da177e4 | 75 | unsigned int gsi_base); |
| 0e888adc KK |
76 | #ifdef CONFIG_HOTPLUG |
| 77 | extern int iosapic_remove (unsigned int gsi_base); | |
| 1c53e435 KK |
78 | #else |
| 79 | #define iosapic_remove(gsi_base) (-EINVAL) | |
| 0e888adc | 80 | #endif /* CONFIG_HOTPLUG */ |
| 1da177e4 LT |
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 | #ifdef CONFIG_ACPI_DEALLOCATE_IRQ | |
| 87 | extern void iosapic_unregister_intr (unsigned int irq); | |
| 88 | #endif | |
| 89 | extern void __init iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi, | |
| 90 | unsigned long polarity, | |
| 91 | unsigned long trigger); | |
| 92 | extern int __init iosapic_register_platform_intr (u32 int_type, | |
| 93 | unsigned int gsi, | |
| 94 | int pmi_vector, | |
| 95 | u16 eid, u16 id, | |
| 96 | unsigned long polarity, | |
| 97 | unsigned long trigger); | |
| 98 | extern unsigned int iosapic_version (char __iomem *addr); | |
| 99 | ||
| 100 | extern void iosapic_pci_fixup (int); | |
| 101 | #ifdef CONFIG_NUMA | |
| 0e888adc | 102 | extern void __devinit map_iosapic_to_node (unsigned int, int); |
| 1da177e4 LT |
103 | #endif |
| 104 | #else | |
| 105 | #define iosapic_system_init(pcat_compat) do { } while (0) | |
| 0e888adc | 106 | #define iosapic_init(address,gsi_base) (-EINVAL) |
| 0e888adc | 107 | #define iosapic_remove(gsi_base) (-ENODEV) |
| 1da177e4 LT |
108 | #define iosapic_register_intr(gsi,polarity,trigger) (gsi) |
| 109 | #define iosapic_unregister_intr(irq) do { } while (0) | |
| 110 | #define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger) do { } while (0) | |
| 111 | #define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \ | |
| 112 | polarity,trigger) (gsi) | |
| 113 | #endif | |
| 114 | ||
| 115 | # endif /* !__ASSEMBLY__ */ | |
| 116 | #endif /* __ASM_IA64_IOSAPIC_H */ |