xref: /openbmc/linux/include/acpi/platform/aclinux.h (revision d2999e1b)
1 /******************************************************************************
2  *
3  * Name: aclinux.h - OS specific defines, etc. for Linux
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2014, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACLINUX_H__
45 #define __ACLINUX_H__
46 
47 /* Common (in-kernel/user-space) ACPICA configuration */
48 
49 #define ACPI_USE_SYSTEM_CLIBRARY
50 #define ACPI_USE_DO_WHILE_0
51 
52 #ifdef __KERNEL__
53 
54 #define ACPI_USE_SYSTEM_INTTYPES
55 
56 /* Compile for reduced hardware mode only with this kernel config */
57 
58 #ifdef CONFIG_ACPI_REDUCED_HARDWARE_ONLY
59 #define ACPI_REDUCED_HARDWARE 1
60 #endif
61 
62 #include <linux/string.h>
63 #include <linux/kernel.h>
64 #include <linux/ctype.h>
65 #include <linux/sched.h>
66 #include <linux/atomic.h>
67 #include <linux/math64.h>
68 #include <linux/slab.h>
69 #include <linux/spinlock_types.h>
70 #ifdef EXPORT_ACPI_INTERFACES
71 #include <linux/export.h>
72 #endif
73 #include <asm/acenv.h>
74 
75 #ifndef CONFIG_ACPI
76 
77 /* External globals for __KERNEL__, stubs is needed */
78 
79 #define ACPI_GLOBAL(t,a)
80 #define ACPI_INIT_GLOBAL(t,a,b)
81 
82 /* Generating stubs for configurable ACPICA macros */
83 
84 #define ACPI_NO_MEM_ALLOCATIONS
85 
86 /* Generating stubs for configurable ACPICA functions */
87 
88 #define ACPI_NO_ERROR_MESSAGES
89 #undef ACPI_DEBUG_OUTPUT
90 
91 /* External interface for __KERNEL__, stub is needed */
92 
93 #define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
94 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
95 #define ACPI_EXTERNAL_RETURN_OK(prototype) \
96 	static ACPI_INLINE prototype {return(AE_OK);}
97 #define ACPI_EXTERNAL_RETURN_VOID(prototype) \
98 	static ACPI_INLINE prototype {return;}
99 #define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
100 	static ACPI_INLINE prototype {return(0);}
101 #define ACPI_EXTERNAL_RETURN_PTR(prototype) \
102 	static ACPI_INLINE prototype {return(NULL);}
103 
104 #endif				/* CONFIG_ACPI */
105 
106 /* Host-dependent types and defines for in-kernel ACPICA */
107 
108 #define ACPI_MACHINE_WIDTH          BITS_PER_LONG
109 #define ACPI_EXPORT_SYMBOL(symbol)  EXPORT_SYMBOL(symbol);
110 #define strtoul                     simple_strtoul
111 
112 #define acpi_cache_t                        struct kmem_cache
113 #define acpi_spinlock                       spinlock_t *
114 #define acpi_cpu_flags                      unsigned long
115 
116 /* Use native linux version of acpi_os_allocate_zeroed */
117 
118 #define USE_NATIVE_ALLOCATE_ZEROED
119 
120 /*
121  * Overrides for in-kernel ACPICA
122  */
123 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_initialize
124 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_terminate
125 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate
126 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_allocate_zeroed
127 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_free
128 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_acquire_object
129 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_thread_id
130 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_create_lock
131 
132 /*
133  * OSL interfaces used by debugger/disassembler
134  */
135 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_readable
136 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_writable
137 
138 /*
139  * OSL interfaces used by utilities
140  */
141 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_redirect_output
142 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_line
143 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_name
144 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_index
145 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_table_by_address
146 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_open_directory
147 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_get_next_filename
148 #define ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_close_directory
149 
150 #else				/* !__KERNEL__ */
151 
152 #include <stdarg.h>
153 #include <string.h>
154 #include <stdlib.h>
155 #include <ctype.h>
156 #include <unistd.h>
157 
158 /* Define/disable kernel-specific declarators */
159 
160 #ifndef __init
161 #define __init
162 #endif
163 
164 /* Host-dependent types and defines for user-space ACPICA */
165 
166 #define ACPI_FLUSH_CPU_CACHE()
167 #define ACPI_CAST_PTHREAD_T(pthread) ((acpi_thread_id) (pthread))
168 
169 #if defined(__ia64__)    || defined(__x86_64__) ||\
170 	defined(__aarch64__) || defined(__PPC64__)
171 #define ACPI_MACHINE_WIDTH          64
172 #define COMPILER_DEPENDENT_INT64    long
173 #define COMPILER_DEPENDENT_UINT64   unsigned long
174 #else
175 #define ACPI_MACHINE_WIDTH          32
176 #define COMPILER_DEPENDENT_INT64    long long
177 #define COMPILER_DEPENDENT_UINT64   unsigned long long
178 #define ACPI_USE_NATIVE_DIVIDE
179 #endif
180 
181 #ifndef __cdecl
182 #define __cdecl
183 #endif
184 
185 #endif				/* __KERNEL__ */
186 
187 /* Linux uses GCC */
188 
189 #include <acpi/platform/acgcc.h>
190 
191 #endif				/* __ACLINUX_H__ */
192