projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __ASM_APIC_H |
| 2 | #define __ASM_APIC_H | |
| 3 | ||
| 1da177e4 | 4 | #include <linux/pm.h> |
| 8339e9fb | 5 | #include <linux/delay.h> |
| 1da177e4 LT |
6 | #include <asm/fixmap.h> |
| 7 | #include <asm/apicdef.h> | |
| 8 | #include <asm/system.h> | |
| 9 | ||
| 10 | #define Dprintk(x...) | |
| 11 | ||
| 12 | /* | |
| 13 | * Debugging macros | |
| 14 | */ | |
| 15 | #define APIC_QUIET 0 | |
| 16 | #define APIC_VERBOSE 1 | |
| 17 | #define APIC_DEBUG 2 | |
| 18 | ||
| 19 | extern int apic_verbosity; | |
| 73dea47f | 20 | extern int apic_runs_main_timer; |
| 2c8c0e6b | 21 | extern int ioapic_force; |
| fb79d22e | 22 | extern int disable_apic_timer; |
| 1da177e4 LT |
23 | |
| 24 | /* | |
| 25 | * Define the default level of output to be very little | |
| 26 | * This can be turned up by using apic=verbose for more | |
| 27 | * information and apic=debug for _lots_ of information. | |
| 28 | * apic_verbosity is defined in apic.c | |
| 29 | */ | |
| 30 | #define apic_printk(v, s, a...) do { \ | |
| 31 | if ((v) <= apic_verbosity) \ | |
| 32 | printk(s, ##a); \ | |
| 33 | } while (0) | |
| 34 | ||
| 1da177e4 LT |
35 | struct pt_regs; |
| 36 | ||
| 37 | /* | |
| 38 | * Basic functions accessing APICs. | |
| 39 | */ | |
| 40 | ||
| 41 | static __inline void apic_write(unsigned long reg, unsigned int v) | |
| 42 | { | |
| 43 | *((volatile unsigned int *)(APIC_BASE+reg)) = v; | |
| 44 | } | |
| 45 | ||
| 1da177e4 LT |
46 | static __inline unsigned int apic_read(unsigned long reg) |
| 47 | { | |
| 48 | return *((volatile unsigned int *)(APIC_BASE+reg)); | |
| 49 | } | |
| 50 | ||
| 8339e9fb FLV |
51 | extern void apic_wait_icr_idle(void); |
| 52 | extern unsigned int safe_apic_wait_icr_idle(void); | |
| 1da177e4 | 53 | |
| 1da177e4 LT |
54 | static inline void ack_APIC_irq(void) |
| 55 | { | |
| 56 | /* | |
| 57 | * ack_APIC_irq() actually gets compiled as a single instruction: | |
| 58 | * - a single rmw on Pentium/82489DX | |
| 59 | * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC) | |
| 60 | * ... yummie. | |
| 61 | */ | |
| 62 | ||
| 63 | /* Docs say use 0 for future compatibility */ | |
| 11a8e778 | 64 | apic_write(APIC_EOI, 0); |
| 1da177e4 LT |
65 | } |
| 66 | ||
| 37e650c7 | 67 | extern int lapic_get_maxlvt(void); |
| cff90dbf TG |
68 | extern void clear_local_APIC(void); |
| 69 | extern void connect_bsp_APIC(void); | |
| 70 | extern void disconnect_bsp_APIC(int virt_wire_setup); | |
| 71 | extern void disable_local_APIC(void); | |
| 72 | extern void lapic_shutdown(void); | |
| 73 | extern int verify_local_APIC(void); | |
| 74 | extern void cache_APIC_registers(void); | |
| 75 | extern void sync_Arb_IDs(void); | |
| 76 | extern void init_bsp_APIC(void); | |
| 77 | extern void setup_local_APIC(void); | |
| 78 | extern void init_apic_mappings(void); | |
| 79 | extern void smp_local_timer_interrupt(void); | |
| 80 | extern void setup_boot_APIC_clock(void); | |
| 81 | extern void setup_secondary_APIC_clock(void); | |
| 82 | extern int APIC_init_uniprocessor(void); | |
| 3c43f039 | 83 | extern void setup_apic_routing(void); |
| 1da177e4 | 84 | |
| f40f31bf TG |
85 | extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector, |
| 86 | unsigned char msg_type, unsigned char mask); | |
| 17fc14ff | 87 | |
| 55f93afd CW |
88 | extern int apic_is_clustered_box(void); |
| 89 | ||
| d25bf7e5 VP |
90 | #define ARCH_APICTIMER_STOPS_ON_C3 1 |
| 91 | ||
| 1da177e4 | 92 | extern unsigned boot_cpu_id; |
| 2e7c2838 | 93 | extern int local_apic_timer_c2_ok; |
| 1da177e4 LT |
94 | |
| 95 | #endif /* __ASM_APIC_H */ |