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-rw-r--r--drivers/acpi/system.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
deleted file mode 100644
index d70481f32c89..000000000000
--- a/drivers/acpi/system.c
+++ /dev/null
@@ -1,170 +0,0 @@
1/*
2 * acpi_system.c - ACPI System Driver ($Revision: 63 $)
3 *
4 * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
5 * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
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 (at
12 * your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
22 *
23 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
24 */
25
26#include <linux/proc_fs.h>
27#include <linux/seq_file.h>
28#include <linux/slab.h>
29#include <linux/init.h>
30#include <linux/string.h>
31#include <asm/uaccess.h>
32
33#include <acpi/acpi_drivers.h>
34
35#define PREFIX "ACPI: "
36
37#define _COMPONENT ACPI_SYSTEM_COMPONENT
38ACPI_MODULE_NAME("system");
39
40#define ACPI_SYSTEM_CLASS "system"
41#define ACPI_SYSTEM_DEVICE_NAME "System"
42
43/* --------------------------------------------------------------------------
44 FS Interface (/proc)
45 -------------------------------------------------------------------------- */
46#ifdef CONFIG_ACPI_PROCFS
47#define ACPI_SYSTEM_FILE_INFO "info"
48#define ACPI_SYSTEM_FILE_EVENT "event"
49#define ACPI_SYSTEM_FILE_DSDT "dsdt"
50#define ACPI_SYSTEM_FILE_FADT "fadt"
51
52static int acpi_system_read_info(struct seq_file *seq, void *offset)
53{
54
55 seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
56 return 0;
57}
58
59static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
60{
61 return single_open(file, acpi_system_read_info, PDE(inode)->data);
62}
63
64static const struct file_operations acpi_system_info_ops = {
65 .owner = THIS_MODULE,
66 .open = acpi_system_info_open_fs,
67 .read = seq_read,
68 .llseek = seq_lseek,
69 .release = single_release,
70};
71
72static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t,
73 loff_t *);
74
75static const struct file_operations acpi_system_dsdt_ops = {
76 .owner = THIS_MODULE,
77 .read = acpi_system_read_dsdt,
78};
79
80static ssize_t
81acpi_system_read_dsdt(struct file *file,
82 char __user * buffer, size_t count, loff_t * ppos)
83{
84 acpi_status status = AE_OK;
85 struct acpi_table_header *dsdt = NULL;
86 ssize_t res;
87
88 status = acpi_get_table(ACPI_SIG_DSDT, 1, &dsdt);
89 if (ACPI_FAILURE(status))
90 return -ENODEV;
91
92 res = simple_read_from_buffer(buffer, count, ppos, dsdt, dsdt->length);
93
94 return res;
95}
96
97static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
98 loff_t *);
99
100static const struct file_operations acpi_system_fadt_ops = {
101 .owner = THIS_MODULE,
102 .read = acpi_system_read_fadt,
103};
104
105static ssize_t
106acpi_system_read_fadt(struct file *file,
107 char __user * buffer, size_t count, loff_t * ppos)
108{
109 acpi_status status = AE_OK;
110 struct acpi_table_header *fadt = NULL;
111 ssize_t res;
112
113 status = acpi_get_table(ACPI_SIG_FADT, 1, &fadt);
114 if (ACPI_FAILURE(status))
115 return -ENODEV;
116
117 res = simple_read_from_buffer(buffer, count, ppos, fadt, fadt->length);
118
119 return res;
120}
121
122static int acpi_system_procfs_init(void)
123{
124 struct proc_dir_entry *entry;
125 int error = 0;
126
127 /* 'info' [R] */
128 entry = proc_create(ACPI_SYSTEM_FILE_INFO, S_IRUGO, acpi_root_dir,
129 &acpi_system_info_ops);
130 if (!entry)
131 goto Error;
132
133 /* 'dsdt' [R] */
134 entry = proc_create(ACPI_SYSTEM_FILE_DSDT, S_IRUSR, acpi_root_dir,
135 &acpi_system_dsdt_ops);
136 if (!entry)
137 goto Error;
138
139 /* 'fadt' [R] */
140 entry = proc_create(ACPI_SYSTEM_FILE_FADT, S_IRUSR, acpi_root_dir,
141 &acpi_system_fadt_ops);
142 if (!entry)
143 goto Error;
144
145 Done:
146 return error;
147
148 Error:
149 remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
150 remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir);
151 remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir);
152
153 error = -EFAULT;
154 goto Done;
155}
156#else
157static int acpi_system_procfs_init(void)
158{
159 return 0;
160}
161#endif
162
163int __init acpi_system_init(void)
164{
165 int result;
166
167 result = acpi_system_procfs_init();
168
169 return result;
170}
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-08 21:08:11 -0500