patch-2.4.22 linux-2.4.22/drivers/acpi/ospm/button/bn_osl.c
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- Lines: 312
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.21/drivers/acpi/ospm/button/bn_osl.c
- Orig date:
2001-12-21 09:41:53.000000000 -0800
diff -urN linux-2.4.21/drivers/acpi/ospm/button/bn_osl.c linux-2.4.22/drivers/acpi/ospm/button/bn_osl.c
@@ -1,311 +0,0 @@
-/******************************************************************************
- *
- * Module Name: bn_osl.c
- * $Revision: 16 $
- *
- *****************************************************************************/
-
-/*
- * 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 "bn.h"
-
-
-MODULE_AUTHOR("Andrew Grover");
-MODULE_DESCRIPTION("ACPI Component Architecture (CA) - Button Driver");
-MODULE_LICENSE("GPL");
-
-
-#define BN_PROC_ROOT "button"
-#define BN_PROC_POWER_BUTTON "power"
-#define BN_PROC_SLEEP_BUTTON "sleep"
-#define BN_PROC_LID_SWITCH "lid"
-
-extern struct proc_dir_entry *bm_proc_root;
-static struct proc_dir_entry *bn_proc_root = NULL;
-
-
-#define BN_TYPE_UNKNOWN 0
-#define BN_TYPE_FIXED 1
-#define BN_TYPE_GENERIC 2
-
-static int bn_power_button = BN_TYPE_UNKNOWN;
-static int bn_sleep_button = BN_TYPE_UNKNOWN;
-static int bn_lid_switch = BN_TYPE_UNKNOWN;
-
-
-/****************************************************************************
- *
- * FUNCTION: bn_osl_add_device
- *
- ****************************************************************************/
-
-acpi_status
-bn_osl_add_device(
- BN_CONTEXT *button)
-{
- acpi_status status = AE_OK;
-
- if (!button) {
- return(AE_BAD_PARAMETER);
- }
-
- switch (button->type) {
-
- case BN_TYPE_POWER_BUTTON_FIXED:
- bn_power_button = BN_TYPE_FIXED;
- printk(KERN_INFO "ACPI: Power Button (FF) found\n");
- if (!proc_mkdir(BN_PROC_POWER_BUTTON, bn_proc_root)) {
- status = AE_ERROR;
- }
- break;
-
- case BN_TYPE_POWER_BUTTON:
- /*
- * Avoid creating multiple /proc entries when (buggy) ACPI
- * BIOS tables erroneously list both fixed- and generic-
- * feature buttons. Note that fixed-feature buttons are
- * always enumerated first (and there can only be one) so
- * we only need to check here.
- */
- switch (bn_power_button) {
- case BN_TYPE_GENERIC:
- printk(KERN_WARNING "ACPI: Multiple generic-space power buttons detected, using first\n");
- break;
- case BN_TYPE_FIXED:
- printk(KERN_WARNING "ACPI: Multiple power buttons detected, ignoring fixed-feature\n");
- default:
- printk(KERN_INFO "ACPI: Power Button (CM) found\n");
- bn_power_button = BN_TYPE_GENERIC;
- if (!proc_mkdir(BN_PROC_POWER_BUTTON, bn_proc_root)) {
- status = AE_ERROR;
- }
- break;
- }
- break;
-
- case BN_TYPE_SLEEP_BUTTON_FIXED:
- bn_sleep_button = BN_TYPE_FIXED;
- printk(KERN_INFO "ACPI: Sleep Button (FF) found\n");
- if (!proc_mkdir(BN_PROC_SLEEP_BUTTON, bn_proc_root)) {
- status = AE_ERROR;
- }
- break;
-
- case BN_TYPE_SLEEP_BUTTON:
- /*
- * Avoid creating multiple /proc entries when (buggy) ACPI
- * BIOS tables erroneously list both fixed- and generic-
- * feature buttons. Note that fixed-feature buttons are
- * always enumerated first (and there can only be one) so
- * we only need to check here.
- */
- switch (bn_sleep_button) {
- case BN_TYPE_GENERIC:
- printk(KERN_WARNING "ACPI: Multiple generic-space sleep buttons detected, using first\n");
- break;
- case BN_TYPE_FIXED:
- printk(KERN_WARNING "ACPI: Multiple sleep buttons detected, ignoring fixed-feature\n");
- default:
- bn_sleep_button = BN_TYPE_GENERIC;
- printk(KERN_INFO "ACPI: Sleep Button (CM) found\n");
- if (!proc_mkdir(BN_PROC_SLEEP_BUTTON, bn_proc_root)) {
- status = AE_ERROR;
- }
- break;
- }
- break;
-
- case BN_TYPE_LID_SWITCH:
- if (bn_lid_switch) {
- printk(KERN_WARNING "ACPI: Multiple generic-space lid switches detected, using first\n");
- break;
- }
- bn_lid_switch = BN_TYPE_GENERIC;
- printk(KERN_INFO "ACPI: Lid Switch (CM) found\n");
- if (!proc_mkdir(BN_PROC_LID_SWITCH, bn_proc_root)) {
- status = AE_ERROR;
- }
- break;
- }
-
- return(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: bn_osl_remove_device
- *
- ****************************************************************************/
-
-acpi_status
-bn_osl_remove_device (
- BN_CONTEXT *button)
-{
- if (!button) {
- return(AE_BAD_PARAMETER);
- }
-
- switch (button->type) {
-
- case BN_TYPE_POWER_BUTTON:
- case BN_TYPE_POWER_BUTTON_FIXED:
- remove_proc_entry(BN_PROC_POWER_BUTTON, bn_proc_root);
- break;
-
- case BN_TYPE_SLEEP_BUTTON:
- case BN_TYPE_SLEEP_BUTTON_FIXED:
- remove_proc_entry(BN_PROC_SLEEP_BUTTON, bn_proc_root);
- break;
-
- case BN_TYPE_LID_SWITCH:
- remove_proc_entry(BN_PROC_LID_SWITCH, bn_proc_root);
- break;
- }
-
- return(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: bn_osl_generate_event
- *
- ****************************************************************************/
-
-acpi_status
-bn_osl_generate_event (
- u32 event,
- BN_CONTEXT *button)
-{
- acpi_status status = AE_OK;
-
- if (!button) {
- return(AE_BAD_PARAMETER);
- }
-
- switch (event) {
-
- case BN_NOTIFY_STATUS_CHANGE:
-
- switch(button->type) {
-
- case BN_TYPE_POWER_BUTTON:
- case BN_TYPE_POWER_BUTTON_FIXED:
- status = bm_osl_generate_event(button->device_handle,
- BN_PROC_ROOT, BN_PROC_POWER_BUTTON, event, 0);
- break;
-
- case BN_TYPE_SLEEP_BUTTON:
- case BN_TYPE_SLEEP_BUTTON_FIXED:
- status = bm_osl_generate_event(button->device_handle,
- BN_PROC_ROOT, BN_PROC_SLEEP_BUTTON, event, 0);
- break;
-
- case BN_TYPE_LID_SWITCH:
- status = bm_osl_generate_event(button->device_handle,
- BN_PROC_ROOT, BN_PROC_LID_SWITCH, event, 0);
- break;
-
- default:
- status = AE_SUPPORT;
- break;
- }
-
- break;
-
- default:
- return(AE_BAD_PARAMETER);
- break;
- }
-
- return(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: bn_osl_init
- *
- * PARAMETERS: <none>
- *
- * RETURN: 0: Success
- *
- * DESCRIPTION: Module initialization.
- *
- ****************************************************************************/
-
-static int __init
-bn_osl_init (void)
-{
- acpi_status status = AE_OK;
-
- /* abort if no busmgr */
- if (!bm_proc_root)
- return -ENODEV;
-
- bn_proc_root = proc_mkdir(BN_PROC_ROOT, bm_proc_root);
- if (!bn_proc_root) {
- status = AE_ERROR;
- }
- else {
- status = bn_initialize();
- if (ACPI_FAILURE(status)) {
- remove_proc_entry(BN_PROC_ROOT, bm_proc_root);
- }
- }
-
- return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
-}
-
-
-/****************************************************************************
- *
- * FUNCTION: bn_osl_cleanup
- *
- * PARAMETERS: <none>
- *
- * RETURN: <none>
- *
- * DESCRIPTION: Module cleanup.
- *
- ****************************************************************************/
-
-static void __exit
-bn_osl_cleanup (void)
-{
- bn_terminate();
-
- if (bn_proc_root) {
- remove_proc_entry(BN_PROC_ROOT, bm_proc_root);
- }
-
- return;
-}
-
-
-module_init(bn_osl_init);
-module_exit(bn_osl_cleanup);
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