aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-x86/acpi.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/acpi.h')
-rw-r--r--include/asm-x86/acpi.h151
1 files changed, 146 insertions, 5 deletions
diff --git a/include/asm-x86/acpi.h b/include/asm-x86/acpi.h
index f8a89793ac8c..98a9ca266531 100644
--- a/include/asm-x86/acpi.h
+++ b/include/asm-x86/acpi.h
@@ -1,13 +1,123 @@
1#ifndef _ASM_X86_ACPI_H 1#ifndef _ASM_X86_ACPI_H
2#define _ASM_X86_ACPI_H 2#define _ASM_X86_ACPI_H
3 3
4#ifdef CONFIG_X86_32 4/*
5# include "acpi_32.h" 5 * Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
6#else 6 * Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
7# include "acpi_64.h" 7 *
8#endif 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>
9 27
28#include <asm/numa.h>
10#include <asm/processor.h> 29#include <asm/processor.h>
30#include <asm/mmu.h>
31
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
56int __acpi_acquire_global_lock(unsigned int *lock);
57int __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
82extern int acpi_lapic;
83extern int acpi_ioapic;
84extern int acpi_noirq;
85extern int acpi_strict;
86extern int acpi_disabled;
87extern int acpi_ht;
88extern int acpi_pci_disabled;
89extern int acpi_skip_timer_override;
90extern int acpi_use_timer_override;
91
92static 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
103extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
104
105static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
106static inline void acpi_disable_pci(void)
107{
108 acpi_pci_disabled = 1;
109 acpi_noirq_set();
110}
111extern int acpi_irq_balance_set(char *str);
112
113/* routines for saving/restoring kernel state */
114extern int acpi_save_state_mem(void);
115extern void acpi_restore_state_mem(void);
116
117extern unsigned long acpi_wakeup_address;
118
119/* early initialization routine */
120extern void acpi_reserve_bootmem(void);
11 121
12/* 122/*
13 * Check if the CPU can handle C2 and deeper 123 * Check if the CPU can handle C2 and deeper
@@ -29,4 +139,35 @@ static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate)
29 return max_cstate; 139 return max_cstate;
30} 140}
31 141
142#else /* !CONFIG_ACPI */
143
144#define acpi_lapic 0
145#define acpi_ioapic 0
146static inline void acpi_noirq_set(void) { }
147static inline void acpi_disable_pci(void) { }
148static inline void disable_acpi(void) { }
149
150#endif /* !CONFIG_ACPI */
151
152#define ARCH_HAS_POWER_INIT 1
153
154struct bootnode;
155
156#ifdef CONFIG_ACPI_NUMA
157extern int acpi_numa;
158extern int acpi_scan_nodes(unsigned long start, unsigned long end);
159#ifdef CONFIG_X86_64
160# define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
161#endif
162extern void acpi_fake_nodes(const struct bootnode *fake_nodes,
163 int num_nodes);
164#else
165static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
166 int num_nodes)
167{
168}
32#endif 169#endif
170
171#define acpi_unlazy_tlb(x) leave_mm(x)
172
173#endif /*__X86_ASM_ACPI_H*/
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-15 02:29:43 -0500