include/asm-ia64/acpi.h

   1 /*
   2  *  asm-ia64/acpi.h
   3  *
   4  *  Copyright (C) 1999 VA Linux Systems
   5  *  Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
   6  *  Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
   7  *  Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
   8  *
   9  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  *
  25  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  26  */
  27
  28 #ifndef _ASM_ACPI_H
  29 #define _ASM_ACPI_H
  30
  31 #ifdef __KERNEL__
  32
  33 #define COMPILER_DEPENDENT_INT64        long
  34 #define COMPILER_DEPENDENT_UINT64       unsigned long
  35
  36 /*
  37  * Calling conventions:
  38  *
  39  * ACPI_SYSTEM_XFACE        - Interfaces to host OS (handlers, threads)
  40  * ACPI_EXTERNAL_XFACE      - External ACPI interfaces
  41  * ACPI_INTERNAL_XFACE      - Internal ACPI interfaces
  42  * ACPI_INTERNAL_VAR_XFACE  - Internal variable-parameter list interfaces
  43  */
  44 #define ACPI_SYSTEM_XFACE
  45 #define ACPI_EXTERNAL_XFACE
  46 #define ACPI_INTERNAL_XFACE
  47 #define ACPI_INTERNAL_VAR_XFACE
  48
  49 /* Asm macros */
  50
  51 #define ACPI_ASM_MACROS
  52 #define BREAKPOINT3
  53 #define ACPI_DISABLE_IRQS() __cli()
  54 #define ACPI_ENABLE_IRQS()  __sti()
  55 #define ACPI_FLUSH_CPU_CACHE()
  56
  57 #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \
  58         do { \
  59         __asm__ volatile ("1:  ld4      r29=[%1]\n"  \
  60                 ";;\n"                  \
  61                 "mov    ar.ccv=r29\n"   \
  62                 "mov    r2=r29\n"       \
  63                 "shr.u  r30=r29,1\n"    \
  64                 "and    r29=-4,r29\n"   \
  65                 ";;\n"                  \
  66                 "add    r29=2,r29\n"    \
  67                 "and    r30=1,r30\n"    \
  68                 ";;\n"                  \
  69                 "add    r29=r29,r30\n"  \
  70                 ";;\n"                  \
  71                 "cmpxchg4.acq   r30=[%1],r29,ar.ccv\n" \
  72                 ";;\n"                  \
  73                 "cmp.eq p6,p7=r2,r30\n" \
  74                 "(p7) br.dpnt.few 1b\n" \
  75                 "cmp.gt p8,p9=3,r29\n"  \
  76                 ";;\n"                  \
  77                 "(p8) mov %0=-1\n"      \
  78                 "(p9) mov %0=r0\n"      \
  79                 :"=r"(Acq):"r"(GLptr):"r2","r29","r30","memory"); \
  80         } while (0)
  81
  82 #define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
  83         do { \
  84         __asm__ volatile ("1:  ld4      r29=[%1]\n" \
  85                 ";;\n"                  \
  86                 "mov    ar.ccv=r29\n"   \
  87                 "mov    r2=r29\n"       \
  88                 "and    r29=-4,r29\n"   \
  89                 ";;\n"                  \
  90                 "cmpxchg4.acq   r30=[%1],r29,ar.ccv\n" \
  91                 ";;\n"                  \
  92                 "cmp.eq p6,p7=r2,r30\n" \
  93                 "(p7) br.dpnt.few 1b\n" \
  94                 "and    %0=1,r2\n"      \
  95                 ";;\n"                  \
  96                 :"=r"(Acq):"r"(GLptr):"r2","r29","r30","memory"); \
  97         } while (0)
  98
  99 const char *acpi_get_sysname (void);
 100 int acpi_boot_init (char *cdline);
 101 int acpi_request_vector (u32 int_type);
 102 int acpi_get_prt (struct pci_vector_struct **vectors, int *count);
 103 int acpi_get_interrupt_model (int *type);
 104 int acpi_irq_to_vector (u32 irq);
 105
 106 #ifdef CONFIG_DISCONTIGMEM
 107 #define NODE_ARRAY_INDEX(x)     ((x) / 8)       /* 8 bits/char */
 108 #define NODE_ARRAY_OFFSET(x)    ((x) % 8)       /* 8 bits/char */
 109 #define MAX_PXM_DOMAINS         (256)
 110 #endif /* CONFIG_DISCONTIGMEM */
 111
 112 #endif /*__KERNEL__*/
 113
 114 #endif /*_ASM_ACPI_H*/