diff options
Diffstat (limited to 'drivers/acpi/system.c')
| -rw-r--r-- | drivers/acpi/system.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c deleted file mode 100644 index d86dcb3c236..00000000000 --- a/drivers/acpi/system.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * acpi_system.c - ACPI System Driver ($Revision: 63 $) - * - * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> - * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ - -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/init.h> -#include <asm/uaccess.h> - -#include <acpi/acpi_drivers.h> - -#define _COMPONENT ACPI_SYSTEM_COMPONENT -ACPI_MODULE_NAME("acpi_system") -#define ACPI_SYSTEM_CLASS "system" -#define ACPI_SYSTEM_DRIVER_NAME "ACPI System Driver" -#define ACPI_SYSTEM_DEVICE_NAME "System" -#define ACPI_SYSTEM_FILE_INFO "info" -#define ACPI_SYSTEM_FILE_EVENT "event" -#define ACPI_SYSTEM_FILE_DSDT "dsdt" -#define ACPI_SYSTEM_FILE_FADT "fadt" -extern struct fadt_descriptor acpi_fadt; - -/* -------------------------------------------------------------------------- - FS Interface (/proc) - -------------------------------------------------------------------------- */ - -static int acpi_system_read_info(struct seq_file *seq, void *offset) -{ - - seq_printf(seq, "version: %x\n", ACPI_CA_VERSION); - return 0; -} - -static int acpi_system_info_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_system_read_info, PDE(inode)->data); -} - -static const struct file_operations acpi_system_info_ops = { - .open = acpi_system_info_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t, - loff_t *); - -static const struct file_operations acpi_system_dsdt_ops = { - .read = acpi_system_read_dsdt, -}; - -static ssize_t -acpi_system_read_dsdt(struct file *file, - char __user * buffer, size_t count, loff_t * ppos) -{ - acpi_status status = AE_OK; - struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL }; - ssize_t res; - - - status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt); - if (ACPI_FAILURE(status)) - return -ENODEV; - - res = simple_read_from_buffer(buffer, count, ppos, - dsdt.pointer, dsdt.length); - kfree(dsdt.pointer); - - return res; -} - -static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t, - loff_t *); - -static const struct file_operations acpi_system_fadt_ops = { - .read = acpi_system_read_fadt, -}; - -static ssize_t -acpi_system_read_fadt(struct file *file, - char __user * buffer, size_t count, loff_t * ppos) -{ - acpi_status status = AE_OK; - struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL }; - ssize_t res; - - - status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt); - if (ACPI_FAILURE(status)) - return -ENODEV; - - res = simple_read_from_buffer(buffer, count, ppos, - fadt.pointer, fadt.length); - kfree(fadt.pointer); - - return res; -} - -static int __init acpi_system_init(void) -{ - struct proc_dir_entry *entry; - int error = 0; - char *name; - - - if (acpi_disabled) - return 0; - - /* 'info' [R] */ - name = ACPI_SYSTEM_FILE_INFO; - entry = create_proc_entry(name, S_IRUGO, acpi_root_dir); - if (!entry) - goto Error; - else { - entry->proc_fops = &acpi_system_info_ops; - } - - /* 'dsdt' [R] */ - name = ACPI_SYSTEM_FILE_DSDT; - entry = create_proc_entry(name, S_IRUSR, acpi_root_dir); - if (entry) - entry->proc_fops = &acpi_system_dsdt_ops; - else - goto Error; - - /* 'fadt' [R] */ - name = ACPI_SYSTEM_FILE_FADT; - entry = create_proc_entry(name, S_IRUSR, acpi_root_dir); - if (entry) - entry->proc_fops = &acpi_system_fadt_ops; - else - goto Error; - - Done: - return error; - - Error: - remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir); - remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir); - remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir); - - error = -EFAULT; - goto Done; -} - -subsys_initcall(acpi_system_init); |