1#ifndef _ASM_X86_ACPI_H
2#define _ASM_X86_ACPI_H
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26#include <acpi/pdc_intel.h>
27
28#include <asm/numa.h>
29#include <asm/processor.h>
30#include <asm/mmu.h>
31#include <asm/mpspec.h>
32
33#define COMPILER_DEPENDENT_INT64 long long
34#define COMPILER_DEPENDENT_UINT64 unsigned long long
35
36
37
38
39
40
41
42
43
44#define ACPI_SYSTEM_XFACE
45#define ACPI_EXTERNAL_XFACE
46#define ACPI_INTERNAL_XFACE
47#define ACPI_INTERNAL_VAR_XFACE
48
49
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
57int __acpi_acquire_global_lock(unsigned int *lock);
58int __acpi_release_global_lock(unsigned int *lock);
59
60#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \
61 ((Acq) = __acpi_acquire_global_lock(&facs->global_lock))
62
63#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \
64 ((Acq) = __acpi_release_global_lock(&facs->global_lock))
65
66
67
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
82#ifdef CONFIG_ACPI
83extern int acpi_lapic;
84extern int acpi_ioapic;
85extern int acpi_noirq;
86extern int acpi_strict;
87extern int acpi_disabled;
88extern int acpi_pci_disabled;
89extern int acpi_skip_timer_override;
90extern int acpi_use_timer_override;
91extern int acpi_fix_pin2_polarity;
92
93extern u8 acpi_sci_flags;
94extern int acpi_sci_override_gsi;
95void acpi_pic_sci_set_trigger(unsigned int, u16);
96
97extern int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
98 int trigger, int polarity);
99
100static inline void disable_acpi(void)
101{
102 acpi_disabled = 1;
103 acpi_pci_disabled = 1;
104 acpi_noirq = 1;
105}
106
107extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
108
109static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
110static inline void acpi_disable_pci(void)
111{
112 acpi_pci_disabled = 1;
113 acpi_noirq_set();
114}
115
116
117extern int acpi_save_state_mem(void);
118extern void acpi_restore_state_mem(void);
119
120extern unsigned long acpi_wakeup_address;
121
122
123extern void acpi_reserve_wakeup_memory(void);
124
125
126
127
128static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
129{
130
131
132
133
134
135
136 if (boot_cpu_data.x86 == 0x0F &&
137 boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
138 boot_cpu_data.x86_model <= 0x05 &&
139 boot_cpu_data.x86_mask < 0x0A)
140 return 1;
141 else if (c1e_detected)
142 return 1;
143 else
144 return max_cstate;
145}
146
147static inline bool arch_has_acpi_pdc(void)
148{
149 struct cpuinfo_x86 *c = &cpu_data(0);
150 return (c->x86_vendor == X86_VENDOR_INTEL ||
151 c->x86_vendor == X86_VENDOR_CENTAUR);
152}
153
154static inline void arch_acpi_set_pdc_bits(u32 *buf)
155{
156 struct cpuinfo_x86 *c = &cpu_data(0);
157
158 buf[2] |= ACPI_PDC_C_CAPABILITY_SMP;
159
160 if (cpu_has(c, X86_FEATURE_EST))
161 buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP;
162
163 if (cpu_has(c, X86_FEATURE_ACPI))
164 buf[2] |= ACPI_PDC_T_FFH;
165
166
167
168
169 if (!cpu_has(c, X86_FEATURE_MWAIT))
170 buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
171}
172
173#else
174
175#define acpi_lapic 0
176#define acpi_ioapic 0
177static inline void acpi_noirq_set(void) { }
178static inline void acpi_disable_pci(void) { }
179static inline void disable_acpi(void) { }
180
181#endif
182
183#define ARCH_HAS_POWER_INIT 1
184
185struct bootnode;
186
187#ifdef CONFIG_ACPI_NUMA
188extern int acpi_numa;
189extern void acpi_get_nodes(struct bootnode *physnodes, unsigned long start,
190 unsigned long end);
191extern int acpi_scan_nodes(unsigned long start, unsigned long end);
192#define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
193
194#ifdef CONFIG_NUMA_EMU
195extern void acpi_fake_nodes(const struct bootnode *fake_nodes,
196 int num_nodes);
197#endif
198#endif
199
200#define acpi_unlazy_tlb(x) leave_mm(x)
201
202#endif
203