include/asm-ia64/iosapic.h

   1 #ifndef __ASM_IA64_IOSAPIC_H
   2 #define __ASM_IA64_IOSAPIC_H
   3
   4 #define IOSAPIC_DEFAULT_ADDR    0xFEC00000
   5
   6 #define IOSAPIC_REG_SELECT      0x0
   7 #define IOSAPIC_WINDOW          0x10
   8 #define IOSAPIC_EOI             0x40
   9
  10 #define IOSAPIC_VERSION 0x1
  11
  12 /*
  13  * Redirection table entry
  14  */
  15 #define IOSAPIC_RTE_LOW(i)      (0x10+i*2)
  16 #define IOSAPIC_RTE_HIGH(i)     (0x11+i*2)
  17
  18 #define IOSAPIC_DEST_SHIFT              16
  19
  20 /*
  21  * Delivery mode
  22  */
  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
  30
  31 /*
  32  * Interrupt polarity
  33  */
  34 #define IOSAPIC_POLARITY_SHIFT          13
  35 #define IOSAPIC_POL_HIGH                0
  36 #define IOSAPIC_POL_LOW         1
  37
  38 /*
  39  * Trigger mode
  40  */
  41 #define IOSAPIC_TRIGGER_SHIFT           15
  42 #define IOSAPIC_EDGE                    0
  43 #define IOSAPIC_LEVEL                   1
  44
  45 /*
  46  * Mask bit
  47  */
  48 #define IOSAPIC_MASK_SHIFT              16
  49 #define IOSAPIC_UNMASK                  0
  50 #define IOSAPIC_MSAK                    1
  51
  52 #ifndef __ASSEMBLY__
  53
  54 extern void __init iosapic_system_init (int pcat_compat);
  55 extern void __init iosapic_init (unsigned long address,
  56                                     unsigned int gsi_base);
  57 extern int gsi_to_vector (unsigned int gsi);
  58 extern int gsi_to_irq (unsigned int gsi);
  59 extern void __init iosapic_parse_prt (void);
  60 extern void iosapic_enable_intr (unsigned int vector);
  61 extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
  62                                   unsigned long trigger);
  63 extern void __init iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
  64                                       unsigned long polarity,
  65                                       unsigned long trigger);
  66 extern int __init iosapic_register_platform_intr (u32 int_type,
  67                                            unsigned int gsi,
  68                                            int pmi_vector,
  69                                            u16 eid, u16 id,
  70                                            unsigned long polarity,
  71                                            unsigned long trigger);
  72 extern unsigned int iosapic_version (char *addr);
  73
  74 extern void iosapic_pci_fixup (int);
  75
  76 # endif /* !__ASSEMBLY__ */
  77 #endif /* __ASM_IA64_IOSAPIC_H */