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1da177e4 LT |
1 | /* |
2 | * asm-x86_64/acpi.h | |
3 | * | |
4 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
5 | * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> | |
6 | * | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
24 | */ | |
25 | ||
26 | #ifndef _ASM_ACPI_H | |
27 | #define _ASM_ACPI_H | |
28 | ||
29 | #ifdef __KERNEL__ | |
30 | ||
02df8b93 VP |
31 | #include <acpi/pdc_intel.h> |
32 | ||
1da177e4 LT |
33 | #define COMPILER_DEPENDENT_INT64 long long |
34 | #define COMPILER_DEPENDENT_UINT64 unsigned long long | |
35 | ||
36 | /* | |
37 | * Calling conventions: | |
38 | * | |
39 | * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) | |
f18c5a08 | 40 | * ACPI_EXTERNAL_XFACE - External ACPI interfaces |
1da177e4 LT |
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() local_irq_disable() | |
54 | #define ACPI_ENABLE_IRQS() local_irq_enable() | |
55 | #define ACPI_FLUSH_CPU_CACHE() wbinvd() | |
56 | ||
d0a9081b AM |
57 | int __acpi_acquire_global_lock(unsigned int *lock); |
58 | int __acpi_release_global_lock(unsigned int *lock); | |
1da177e4 | 59 | |
ad71860a AS |
60 | #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ |
61 | ((Acq) = __acpi_acquire_global_lock(&facs->global_lock)) | |
1da177e4 | 62 | |
ad71860a AS |
63 | #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ |
64 | ((Acq) = __acpi_release_global_lock(&facs->global_lock)) | |
1da177e4 LT |
65 | |
66 | /* | |
67 | * Math helper asm macros | |
68 | */ | |
69 | #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ | |
70 | asm("divl %2;" \ | |
71 | :"=a"(q32), "=d"(r32) \ | |
72 | :"r"(d32), \ | |
73 | "0"(n_lo), "1"(n_hi)) | |
74 | ||
75 | ||
76 | #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ | |
77 | asm("shrl $1,%2;" \ | |
78 | "rcrl $1,%3;" \ | |
79 | :"=r"(n_hi), "=r"(n_lo) \ | |
80 | :"0"(n_hi), "1"(n_lo)) | |
81 | ||
888ba6c6 | 82 | #ifdef CONFIG_ACPI |
1da177e4 LT |
83 | extern int acpi_lapic; |
84 | extern int acpi_ioapic; | |
85 | extern int acpi_noirq; | |
86 | extern int acpi_strict; | |
87 | extern int acpi_disabled; | |
88 | extern int acpi_pci_disabled; | |
89 | extern int acpi_ht; | |
f18c5a08 AS |
90 | static inline void disable_acpi(void) |
91 | { | |
92 | acpi_disabled = 1; | |
93 | acpi_ht = 0; | |
1da177e4 LT |
94 | acpi_pci_disabled = 1; |
95 | acpi_noirq = 1; | |
96 | } | |
97 | ||
98 | /* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ | |
99 | #define FIX_ACPI_PAGES 4 | |
100 | ||
101 | extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); | |
1da177e4 | 102 | static inline void acpi_noirq_set(void) { acpi_noirq = 1; } |
f18c5a08 | 103 | static inline void acpi_disable_pci(void) |
1da177e4 | 104 | { |
f18c5a08 | 105 | acpi_pci_disabled = 1; |
1da177e4 LT |
106 | acpi_noirq_set(); |
107 | } | |
108 | extern int acpi_irq_balance_set(char *str); | |
6153df7b LB |
109 | |
110 | #else /* !CONFIG_ACPI */ | |
111 | ||
112 | #define acpi_lapic 0 | |
113 | #define acpi_ioapic 0 | |
1da177e4 LT |
114 | static inline void acpi_noirq_set(void) { } |
115 | static inline void acpi_disable_pci(void) { } | |
6153df7b LB |
116 | |
117 | #endif /* !CONFIG_ACPI */ | |
118 | ||
119 | extern int acpi_numa; | |
120 | extern int acpi_scan_nodes(unsigned long start, unsigned long end); | |
121 | #define NR_NODE_MEMBLKS (MAX_NUMNODES*2) | |
1da177e4 LT |
122 | |
123 | #ifdef CONFIG_ACPI_SLEEP | |
124 | ||
125 | /* routines for saving/restoring kernel state */ | |
126 | extern int acpi_save_state_mem(void); | |
127 | extern void acpi_restore_state_mem(void); | |
128 | ||
129 | extern unsigned long acpi_wakeup_address; | |
130 | ||
131 | /* early initialization routine */ | |
132 | extern void acpi_reserve_bootmem(void); | |
133 | ||
134 | #endif /*CONFIG_ACPI_SLEEP*/ | |
135 | ||
1da177e4 LT |
136 | extern int acpi_disabled; |
137 | extern int acpi_pci_disabled; | |
138 | ||
ffd642e7 DSL |
139 | #define ARCH_HAS_POWER_INIT 1 |
140 | ||
1da177e4 | 141 | extern int acpi_skip_timer_override; |
fa18f477 | 142 | extern int acpi_use_timer_override; |
1da177e4 LT |
143 | |
144 | #endif /*__KERNEL__*/ | |
145 | ||
146 | #endif /*_ASM_ACPI_H*/ |