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c1c30634 AS |
1 | #ifndef _ASM_X86_ACPI_H |
2 | #define _ASM_X86_ACPI_H | |
3 | ||
0b80fc72 TG |
4 | /* |
5 | * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
6 | * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org> | |
7 | * | |
8 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
25 | */ | |
26 | #include <acpi/pdc_intel.h> | |
c1c30634 | 27 | |
0b80fc72 | 28 | #include <asm/numa.h> |
c1c30634 | 29 | #include <asm/processor.h> |
bde6f5f5 | 30 | #include <asm/mmu.h> |
c1c30634 | 31 | |
0b80fc72 TG |
32 | #define COMPILER_DEPENDENT_INT64 long long |
33 | #define COMPILER_DEPENDENT_UINT64 unsigned long long | |
34 | ||
35 | /* | |
36 | * Calling conventions: | |
37 | * | |
38 | * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) | |
39 | * ACPI_EXTERNAL_XFACE - External ACPI interfaces | |
40 | * ACPI_INTERNAL_XFACE - Internal ACPI interfaces | |
41 | * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces | |
42 | */ | |
43 | #define ACPI_SYSTEM_XFACE | |
44 | #define ACPI_EXTERNAL_XFACE | |
45 | #define ACPI_INTERNAL_XFACE | |
46 | #define ACPI_INTERNAL_VAR_XFACE | |
47 | ||
48 | /* Asm macros */ | |
49 | ||
50 | #define ACPI_ASM_MACROS | |
51 | #define BREAKPOINT3 | |
52 | #define ACPI_DISABLE_IRQS() local_irq_disable() | |
53 | #define ACPI_ENABLE_IRQS() local_irq_enable() | |
54 | #define ACPI_FLUSH_CPU_CACHE() wbinvd() | |
55 | ||
56 | int __acpi_acquire_global_lock(unsigned int *lock); | |
57 | int __acpi_release_global_lock(unsigned int *lock); | |
58 | ||
59 | #define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ | |
60 | ((Acq) = __acpi_acquire_global_lock(&facs->global_lock)) | |
61 | ||
62 | #define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ | |
63 | ((Acq) = __acpi_release_global_lock(&facs->global_lock)) | |
64 | ||
65 | /* | |
66 | * Math helper asm macros | |
67 | */ | |
68 | #define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ | |
69 | asm("divl %2;" \ | |
70 | :"=a"(q32), "=d"(r32) \ | |
71 | :"r"(d32), \ | |
72 | "0"(n_lo), "1"(n_hi)) | |
73 | ||
74 | ||
75 | #define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ | |
76 | asm("shrl $1,%2 ;" \ | |
77 | "rcrl $1,%3;" \ | |
78 | :"=r"(n_hi), "=r"(n_lo) \ | |
79 | :"0"(n_hi), "1"(n_lo)) | |
80 | ||
81 | #ifdef CONFIG_ACPI | |
82 | extern int acpi_lapic; | |
83 | extern int acpi_ioapic; | |
84 | extern int acpi_noirq; | |
85 | extern int acpi_strict; | |
86 | extern int acpi_disabled; | |
87 | extern int acpi_ht; | |
88 | extern int acpi_pci_disabled; | |
89 | extern int acpi_skip_timer_override; | |
90 | extern int acpi_use_timer_override; | |
91 | ||
92 | static inline void disable_acpi(void) | |
93 | { | |
94 | acpi_disabled = 1; | |
95 | acpi_ht = 0; | |
96 | acpi_pci_disabled = 1; | |
97 | acpi_noirq = 1; | |
98 | } | |
99 | ||
100 | /* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ | |
101 | #define FIX_ACPI_PAGES 4 | |
102 | ||
103 | extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); | |
104 | ||
105 | static inline void acpi_noirq_set(void) { acpi_noirq = 1; } | |
106 | static inline void acpi_disable_pci(void) | |
107 | { | |
108 | acpi_pci_disabled = 1; | |
109 | acpi_noirq_set(); | |
110 | } | |
111 | extern int acpi_irq_balance_set(char *str); | |
112 | ||
113 | /* routines for saving/restoring kernel state */ | |
114 | extern int acpi_save_state_mem(void); | |
115 | extern void acpi_restore_state_mem(void); | |
116 | ||
117 | extern unsigned long acpi_wakeup_address; | |
118 | ||
119 | /* early initialization routine */ | |
120 | extern void acpi_reserve_bootmem(void); | |
121 | ||
c1c30634 AS |
122 | /* |
123 | * Check if the CPU can handle C2 and deeper | |
124 | */ | |
125 | static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) | |
126 | { | |
127 | /* | |
128 | * Early models (<=5) of AMD Opterons are not supposed to go into | |
129 | * C2 state. | |
130 | * | |
131 | * Steppings 0x0A and later are good | |
132 | */ | |
133 | if (boot_cpu_data.x86 == 0x0F && | |
134 | boot_cpu_data.x86_vendor == X86_VENDOR_AMD && | |
135 | boot_cpu_data.x86_model <= 0x05 && | |
136 | boot_cpu_data.x86_mask < 0x0A) | |
137 | return 1; | |
138 | else | |
139 | return max_cstate; | |
140 | } | |
141 | ||
0b80fc72 TG |
142 | #else /* !CONFIG_ACPI */ |
143 | ||
144 | #define acpi_lapic 0 | |
145 | #define acpi_ioapic 0 | |
146 | static inline void acpi_noirq_set(void) { } | |
147 | static inline void acpi_disable_pci(void) { } | |
148 | static inline void disable_acpi(void) { } | |
149 | ||
150 | #endif /* !CONFIG_ACPI */ | |
151 | ||
152 | #define ARCH_HAS_POWER_INIT 1 | |
153 | ||
154 | struct bootnode; | |
155 | ||
156 | #ifdef CONFIG_ACPI_NUMA | |
157 | extern int acpi_numa; | |
158 | extern int acpi_scan_nodes(unsigned long start, unsigned long end); | |
159 | #ifdef CONFIG_X86_64 | |
160 | # define NR_NODE_MEMBLKS (MAX_NUMNODES*2) | |
c1c30634 | 161 | #endif |
7ba65c7e | 162 | extern void acpi_fake_nodes(const struct bootnode *fake_nodes, |
0b80fc72 TG |
163 | int num_nodes); |
164 | #else | |
165 | static inline void acpi_fake_nodes(const struct bootnode *fake_nodes, | |
166 | int num_nodes) | |
167 | { | |
168 | } | |
169 | #endif | |
170 | ||
bde6f5f5 VP |
171 | #define acpi_unlazy_tlb(x) leave_mm(x) |
172 | ||
0b80fc72 | 173 | #endif /*__X86_ASM_ACPI_H*/ |