patch-2.4.22 linux-2.4.22/drivers/acpi/ospm/button/bn_osl.c

• 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);