patch-2.4.22 linux-2.4.22/drivers/acpi/ospm/ac_adapter/ac_osl.c
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- Lines: 258
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.21/drivers/acpi/ospm/ac_adapter/ac_osl.c
- Orig date:
2001-12-21 09:41:53.000000000 -0800
diff -urN linux-2.4.21/drivers/acpi/ospm/ac_adapter/ac_osl.c linux-2.4.22/drivers/acpi/ospm/ac_adapter/ac_osl.c
@@ -1,257 +0,0 @@
-/*****************************************************************************
- *
- * Module Name: ac_osl.c
- * $Revision: 10 $
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000, 2001 Andrew Grover
- *
- * 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/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/proc_fs.h>
-#include <acpi.h>
-#include "ac.h"
-
-
-MODULE_AUTHOR("Andrew Grover");
-MODULE_DESCRIPTION("ACPI Component Architecture (CA) - AC Adapter Driver");
-MODULE_LICENSE("GPL");
-
-
-#define AC_PROC_ROOT "ac_adapter"
-#define AC_PROC_STATUS "status"
-#define AC_ON_LINE "on-line"
-#define AC_OFF_LINE "off-line"
-
-extern struct proc_dir_entry *bm_proc_root;
-static struct proc_dir_entry *ac_proc_root = NULL;
-
-
-/****************************************************************************
- *
- * FUNCTION: ac_osl_proc_read_status
- *
- ****************************************************************************/
-
-static int
-ac_osl_proc_read_status (
- char *page,
- char **start,
- off_t off,
- int count,
- int *eof,
- void *context)
-{
- acpi_status status = AE_OK;
- AC_CONTEXT *ac_adapter = NULL;
- char *p = page;
- int len;
-
- if (!context) {
- goto end;
- }
-
- ac_adapter = (AC_CONTEXT*)context;
-
- /* don't get status more than once for a single proc read */
- if (off != 0) {
- goto end;
- }
-
- status = bm_evaluate_simple_integer(ac_adapter->acpi_handle,
- "_PSR", &(ac_adapter->is_online));
- if (ACPI_FAILURE(status)) {
- p += sprintf(p, "Error reading AC Adapter status\n");
- goto end;
- }
-
- if (ac_adapter->is_online) {
- p += sprintf(p, "Status: %s\n",
- AC_ON_LINE);
- }
- else {
- p += sprintf(p, "Status: %s\n",
- AC_OFF_LINE);
- }
-
-end:
- len = (p - page);
- if (len <= off+count) *eof = 1;
- *start = page + off;
- len -= off;
- if (len>count) len = count;
- if (len<0) len = 0;
-
- return(len);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: ac_osl_add_device
- *
- ****************************************************************************/
-
-acpi_status
-ac_osl_add_device(
- AC_CONTEXT *ac_adapter)
-{
- struct proc_dir_entry *proc_entry = NULL;
-
- if (!ac_adapter) {
- return(AE_BAD_PARAMETER);
- }
-
- printk(KERN_INFO "ACPI: AC Adapter found\n");
-
- proc_entry = proc_mkdir(ac_adapter->uid, ac_proc_root);
- if (!proc_entry) {
- return(AE_ERROR);
- }
-
- create_proc_read_entry(AC_PROC_STATUS, S_IFREG | S_IRUGO,
- proc_entry, ac_osl_proc_read_status, (void*)ac_adapter);
-
- return(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: ac_osl_remove_device
- *
- ****************************************************************************/
-
-acpi_status
-ac_osl_remove_device (
- AC_CONTEXT *ac_adapter)
-{
- char proc_entry[64];
-
- if (!ac_adapter) {
- return(AE_BAD_PARAMETER);
- }
-
- sprintf(proc_entry, "%s/%s", ac_adapter->uid, AC_PROC_STATUS);
- remove_proc_entry(proc_entry, ac_proc_root);
-
- sprintf(proc_entry, "%s", ac_adapter->uid);
- remove_proc_entry(proc_entry, ac_proc_root);
-
- return(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: ac_osl_generate_event
- *
- ****************************************************************************/
-
-acpi_status
-ac_osl_generate_event (
- u32 event,
- AC_CONTEXT *ac_adapter)
-{
- acpi_status status = AE_OK;
-
- if (!ac_adapter) {
- return(AE_BAD_PARAMETER);
- }
-
- switch (event) {
-
- case AC_NOTIFY_STATUS_CHANGE:
- status = bm_osl_generate_event(ac_adapter->device_handle,
- AC_PROC_ROOT, ac_adapter->uid, event, 0);
- break;
-
- default:
- return(AE_BAD_PARAMETER);
- break;
- }
-
- return(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: ac_osl_init
- *
- * PARAMETERS: <none>
- *
- * RETURN: 0: Success
- *
- * DESCRIPTION: Module initialization.
- *
- ****************************************************************************/
-
-static int __init
-ac_osl_init (void)
-{
- acpi_status status = AE_OK;
-
- ac_proc_root = proc_mkdir(AC_PROC_ROOT, bm_proc_root);
- if (!ac_proc_root) {
- status = AE_ERROR;
- }
- else {
- status = ac_initialize();
- if (ACPI_FAILURE(status)) {
- remove_proc_entry(AC_PROC_ROOT, bm_proc_root);
- }
-
- }
-
- return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: ac_osl_cleanup
- *
- * PARAMETERS: <none>
- *
- * RETURN: <none>
- *
- * DESCRIPTION: Module cleanup.
- *
- ****************************************************************************/
-
-static void __exit
-ac_osl_cleanup (void)
-{
- ac_terminate();
-
- if (ac_proc_root) {
- remove_proc_entry(AC_PROC_ROOT, bm_proc_root);
- }
-
- return;
-}
-
-
-module_init(ac_osl_init);
-module_exit(ac_osl_cleanup);
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