#ifndef __ASM_APIC_H
  #define __ASM_APIC_H

  #include <linux/pm.h>

  #include <linux/delay.h>

  #include <asm/fixmap.h>
  #include <asm/apicdef.h>
  #include <asm/system.h>
  
  #define Dprintk(x...)
  
  /*
   * Debugging macros
   */
  #define APIC_QUIET   0
  #define APIC_VERBOSE 1
  #define APIC_DEBUG   2
  
  extern int apic_verbosity;

  extern int apic_runs_main_timer;

  extern int ioapic_force;

  extern int apic_mapped;

  
  /*
   * Define the default level of output to be very little
   * This can be turned up by using apic=verbose for more
   * information and apic=debug for _lots_ of information.
   * apic_verbosity is defined in apic.c
   */
  #define apic_printk(v, s, a...) do {       \
  		if ((v) <= apic_verbosity) \
  			printk(s, ##a);    \
  	} while (0)

  struct pt_regs;
  
  /*
   * Basic functions accessing APICs.
   */
  
  static __inline void apic_write(unsigned long reg, unsigned int v)
  {
  	*((volatile unsigned int *)(APIC_BASE+reg)) = v;
  }

  static __inline unsigned int apic_read(unsigned long reg)
  {
  	return *((volatile unsigned int *)(APIC_BASE+reg));
  }

  extern void apic_wait_icr_idle(void);
  extern unsigned int safe_apic_wait_icr_idle(void);

  static inline void ack_APIC_irq(void)
  {
  	/*
  	 * ack_APIC_irq() actually gets compiled as a single instruction:
  	 * - a single rmw on Pentium/82489DX
  	 * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC)
  	 * ... yummie.
  	 */
  
  	/* Docs say use 0 for future compatibility */

  	apic_write(APIC_EOI, 0);

  }
  
  extern int get_maxlvt (void);
  extern void clear_local_APIC (void);
  extern void connect_bsp_APIC (void);

  extern void disconnect_bsp_APIC (int virt_wire_setup);

  extern void disable_local_APIC (void);
  extern int verify_local_APIC (void);
  extern void cache_APIC_registers (void);
  extern void sync_Arb_IDs (void);
  extern void init_bsp_APIC (void);
  extern void setup_local_APIC (void);
  extern void init_apic_mappings (void);

  extern void smp_local_timer_interrupt (void);

  extern void setup_boot_APIC_clock (void);
  extern void setup_secondary_APIC_clock (void);

  extern int APIC_init_uniprocessor (void);
  extern void disable_APIC_timer(void);
  extern void enable_APIC_timer(void);

  extern void setup_apic_routing(void);

  extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector,
  				    unsigned char msg_type, unsigned char mask);

  extern int apic_is_clustered_box(void);

  #define K8_APIC_EXT_LVT_BASE    0x500
  #define K8_APIC_EXT_INT_MSG_FIX 0x0
  #define K8_APIC_EXT_INT_MSG_SMI 0x2
  #define K8_APIC_EXT_INT_MSG_NMI 0x4
  #define K8_APIC_EXT_INT_MSG_EXT 0x7
  #define K8_APIC_EXT_LVT_ENTRY_THRESHOLD    0

  void smp_send_timer_broadcast_ipi(void);
  void switch_APIC_timer_to_ipi(void *cpumask);
  void switch_ipi_to_APIC_timer(void *cpumask);
  
  #define ARCH_APICTIMER_STOPS_ON_C3	1

  extern unsigned boot_cpu_id;

  extern int local_apic_timer_c2_ok;

  
  #endif /* __ASM_APIC_H */