[PATCH] ACPI patch 6/9

This removes the old OSPM code. It lived under drivers/acpi/ospm/*, but
the new code just lives in drivers/acpi, and removes some unnecessary
abstraction that this old code had.

drivers/acpi/ospm/Makefile

-#
-# Makefile for the Linux OSPM code.
-#
-
-O_TARGET := $(notdir $(CURDIR)).o
-
-ACPI_CFLAGS += -I$(CURDIR)/include
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
-
-subdir-$(CONFIG_ACPI_BUSMGR)	+= busmgr
-subdir-$(CONFIG_ACPI_EC)	+= ec
-subdir-$(CONFIG_ACPI_SYS)	+= system
-subdir-$(CONFIG_ACPI_CPU)	+= processor
-subdir-$(CONFIG_ACPI_CMBATT)	+= battery
-subdir-$(CONFIG_ACPI_AC)	+= ac_adapter
-subdir-$(CONFIG_ACPI_BUTTON)	+= button
-subdir-$(CONFIG_ACPI_THERMAL)	+= thermal
-
-obj-y				+= $(foreach dir,$(subdir-y),$(dir)/ospm_$(dir).o)
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/ac_adapter/Makefile

-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/ac_adapter/ac.c

-/*****************************************************************************
- *
- * Module Name: ac.c
- *   $Revision: 23 $
- *
- *****************************************************************************/
-
-/*
- *  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 <acpi.h>
-#include "ac.h"
-
-
-#define _COMPONENT		ACPI_AC_ADAPTER
-	MODULE_NAME 		("ac")
-
-
-/****************************************************************************
- *                            Internal Functions
- ****************************************************************************/
-
-/****************************************************************************
- *
- * FUNCTION:	ac_print
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION: Prints out information on a specific ac_adapter.
- *
- ****************************************************************************/
-
-void
-ac_print (
-	AC_CONTEXT		*ac_adapter)
-{
-#ifdef ACPI_DEBUG
-
-	acpi_buffer		buffer;
-
-	PROC_NAME("ac_print");
-
-	if (!ac_adapter) {
-		return;
-	}
-
-	buffer.length = 256;
-	buffer.pointer = acpi_os_callocate(buffer.length);
-	if (!buffer.pointer) {
-		return;
-	}
-
-	/*
-	 * Get the full pathname for this ACPI object.
-	 */
-	acpi_get_name(ac_adapter->acpi_handle, ACPI_FULL_PATHNAME, &buffer);
-
-	/*
-	 * Print out basic adapter information.
-	 */
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "+------------------------------------------------------------\n"));
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "| AC Adapter[%02x]:[%p] %s\n", ac_adapter->device_handle, ac_adapter->acpi_handle, (char*)buffer.pointer));
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "+------------------------------------------------------------\n"));
-
-	acpi_os_free(buffer.pointer);
-#endif /*ACPI_DEBUG*/
-
-	return;
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	ac_add_device
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ac_add_device(
-	BM_HANDLE		device_handle,
-	void			**context)
-{
-	acpi_status 		status = AE_OK;
-	BM_DEVICE		*device = NULL;
-	AC_CONTEXT		*ac_adapter = NULL;
-	acpi_device_info	info;
-
-	FUNCTION_TRACE("ac_add_device");
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Adding ac_adapter device [%02x].\n", device_handle));
-
-	if (!context || *context) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid (NULL) context."));
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * Get information on this device.
-	 */
-	status = bm_get_device_info(device_handle, &device);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Allocate a new AC_CONTEXT structure.
-	 */
-	ac_adapter = acpi_os_callocate(sizeof(AC_CONTEXT));
-	if (!ac_adapter) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	ac_adapter->device_handle = device->handle;
-	ac_adapter->acpi_handle = device->acpi_handle;
-
-	/*
-	 * Get information on this object.
-	 */
-	status = acpi_get_object_info(ac_adapter->acpi_handle, &info);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unable to get object info for ac_adapter device."));
-		goto end;
-	}
-
-	/*
-	 * _UID?
-	 * -----
-	 */
-	if (info.valid & ACPI_VALID_UID) {
-		strncpy(ac_adapter->uid, info.unique_id, sizeof(info.unique_id));
-	}
-	else {
-		strncpy(ac_adapter->uid, "0", sizeof("0"));
-	}
-
-	/*
-	 * _STA?
-	 * -----
-	 */
-	if (!(info.valid & ACPI_VALID_STA)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Must have valid _STA.\n"));
-		status = AE_ERROR;
-		goto end;
-	}
-
-	status = ac_osl_add_device(ac_adapter);
-	if (ACPI_FAILURE(status)) {
-		goto end;
-	}
-
-	*context = ac_adapter;
-
-	ac_print(ac_adapter);
-
-end:
-	if (ACPI_FAILURE(status)) {
-		acpi_os_free(ac_adapter);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	ac_remove_device
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ac_remove_device (
-	void			**context)
-{
-	acpi_status 		status = AE_OK;
-	AC_CONTEXT		*ac_adapter = NULL;
-
-	FUNCTION_TRACE("ac_remove_device");
-
-	if (!context || !*context) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	ac_adapter = (AC_CONTEXT*)*context;
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Removing ac_adapter device [%02x].\n", ac_adapter->device_handle));
-
-	ac_osl_remove_device(ac_adapter);
-
-	acpi_os_free(ac_adapter);
-
-	*context = NULL;
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *                             External Functions
- ****************************************************************************/
-
-/****************************************************************************
- *
- * FUNCTION:	ac_initialize
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ac_initialize (void)
-{
-	acpi_status		status = AE_OK;
-	BM_DEVICE_ID		criteria;
-	BM_DRIVER		driver;
-
-	FUNCTION_TRACE("ac_initialize");
-
-	MEMSET(&criteria, 0, sizeof(BM_DEVICE_ID));
-	MEMSET(&driver, 0, sizeof(BM_DRIVER));
-
-	driver.notify = &ac_notify;
-	driver.request = &ac_request;
-
-	/*
-	 * Register driver for AC Adapter devices.
-	 */
-	MEMCPY(criteria.hid, AC_HID_AC_ADAPTER, sizeof(AC_HID_AC_ADAPTER));
-
-	status = bm_register_driver(&criteria, &driver);
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	ac_terminate
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ac_terminate (void)
-{
-	acpi_status 		status = AE_OK;
-	BM_DEVICE_ID		criteria;
-	BM_DRIVER		driver;
-
-	FUNCTION_TRACE("ac_terminate");
-
-	MEMSET(&criteria, 0, sizeof(BM_DEVICE_ID));
-	MEMSET(&driver, 0, sizeof(BM_DRIVER));
-
-	/*
-	 * Unregister driver for AC Adapter devices.
-	 */
-	MEMCPY(criteria.hid, AC_HID_AC_ADAPTER, sizeof(AC_HID_AC_ADAPTER));
-
-	driver.notify = &ac_notify;
-	driver.request = &ac_request;
-
-	status = bm_unregister_driver(&criteria, &driver);
-
-	return_ACPI_STATUS(status);
-}
-
-
-/*****************************************************************************
- *
- * FUNCTION:	ac_notify
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-acpi_status
-ac_notify (
-	BM_NOTIFY		notify_type,
-	BM_HANDLE		device_handle,
-	void			**context)
-{
-	acpi_status 		status = AE_OK;
-
-	FUNCTION_TRACE("ac_notify");
-
-	if (!context) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	switch (notify_type) {
-
-	case BM_NOTIFY_DEVICE_ADDED:
-		status = ac_add_device(device_handle, context);
-		break;
-
-	case BM_NOTIFY_DEVICE_REMOVED:
-		status = ac_remove_device(context);
-		break;
-
-	case AC_NOTIFY_STATUS_CHANGE:
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status change event detected.\n"));
-		status = ac_osl_generate_event(notify_type,
-			((AC_CONTEXT*)*context));
-		break;
-
-	default:
-		status = AE_SUPPORT;
-		break;
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	ac_request
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-ac_request (
-	BM_REQUEST		*request,
-	void			*context)
-{
-	acpi_status 		status = AE_OK;
-
-	FUNCTION_TRACE("ac_request");
-
-	/*
-	 * Must have a valid request structure and context.
-	 */
-	if (!request || !context) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * Handle Request:
-	 * ---------------
-	 */
-	switch (request->command) {
-
-	default:
-		status = AE_SUPPORT;
-		break;
-	}
-
-	request->status = status;
-
-	return_ACPI_STATUS(status);
-}

drivers/acpi/ospm/ac_adapter/ac_osl.c

-/*****************************************************************************
- *
- * 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);

drivers/acpi/ospm/battery/Makefile

-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/busmgr/Makefile

-export-objs	:= bm_osl.o
-
-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/busmgr/bm_osl.c

-/*****************************************************************************
- *
- * Module Name: bm_osl.c
- *   $Revision: 17 $
- *
- *****************************************************************************/
-
-/*
- *  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 <linux/spinlock.h>
-#include <linux/poll.h>
-#include <asm/uaccess.h>
-#include <acpi.h>
-#include "bm.h"
-
-
-MODULE_AUTHOR("Andrew Grover");
-MODULE_DESCRIPTION("ACPI Component Architecture (CA) - ACPI Bus Manager");
-MODULE_LICENSE("GPL");
-
-
-/*****************************************************************************
- *                               Types & Defines
- *****************************************************************************/
-
-typedef struct
-{
-	BM_HANDLE		device_handle;
-	char			*device_type;
-	char			*device_instance;
-	u32			event_type;
-	u32			event_data;
-	struct list_head	list;
-} BM_OSL_EVENT;
-
-
-#define BM_PROC_ROOT		"acpi"
-#define BM_PROC_EVENT		"event"
-#define BM_PROC_DEVICES		"devices"
-
-#define BM_MAX_STRING_LENGTH	80
-
-
-/****************************************************************************
- *                                  Globals
- ****************************************************************************/
-
-struct proc_dir_entry		*bm_proc_root = NULL;
-static struct proc_dir_entry	*bm_proc_event = NULL;
-
-#ifdef ACPI_DEBUG
-static u32			save_dbg_layer;
-static u32			save_dbg_level;
-#endif /*ACPI_DEBUG*/
-
-extern BM_NODE_LIST		node_list;
-
-static spinlock_t		bm_osl_event_lock = SPIN_LOCK_UNLOCKED;
-
-static LIST_HEAD(bm_event_list);
-
-static DECLARE_WAIT_QUEUE_HEAD(bm_event_wait_queue);
-
-static int event_is_open = 0;
-
-
-/****************************************************************************
- *                                 Functions
- ****************************************************************************/
-
-/****************************************************************************
- *
- * FUNCTION:	bm_osl_generate_event
- *
- * DESCRIPTION: Generates an event for user-space consumption by writing
- *              the event data to the 'event' file.
- *
- ****************************************************************************/
-
-acpi_status
-bm_osl_generate_event (
-	BM_HANDLE		device_handle,
-	char			*device_type,
-	char			*device_instance,
-	u32			event_type,
-	u32			event_data)
-{
-	BM_OSL_EVENT		*event = NULL;
-	u32			flags = 0;
-
-	/* drop event on the floor if no one's listening */
-	if (!event_is_open)
-		return (AE_OK);
-
-	/*
-	 * Allocate a new event structure.
-	 */
-	event = acpi_os_callocate(sizeof(BM_OSL_EVENT));
-	if (!event)
-		goto alloc_error;
-
-	event->device_type = acpi_os_callocate(strlen(device_type)
-		+ sizeof(char));
-	if (!event->device_type)
-		goto alloc_error;
-
-	event->device_instance = acpi_os_callocate(strlen(device_instance)
-		+ sizeof(char));
-	if (!event->device_instance)
-		goto alloc_error;
-
-	/*
-	 * Set event data.
-	 */
-	event->device_handle = device_handle;
-	strcpy(event->device_type, device_type);
-	strcpy(event->device_instance, device_instance);
-	event->event_type = event_type;
-	event->event_data = event_data;
-
-	/*
-	 * Add to the end of our event list.
-	 */
-	spin_lock_irqsave(&bm_osl_event_lock, flags);
-	list_add_tail(&event->list, &bm_event_list);
-	spin_unlock_irqrestore(&bm_osl_event_lock, flags);
-
-	/*
-	 * Signal waiting threads (if any).
-	 */
-	wake_up_interruptible(&bm_event_wait_queue);
-
-	return(AE_OK);
-
-alloc_error:
-	if (event->device_instance)
-		acpi_os_free(event->device_instance);
-
-	if (event->device_type)
-		acpi_os_free(event->device_type);
-
-	if (event)
-		acpi_os_free(event);		
-
-	return (AE_NO_MEMORY);
-}
-
-static int bm_osl_open_event(struct inode *inode, struct file *file)
-{
-	spin_lock_irq (&bm_osl_event_lock);
-
-	if(event_is_open)
-		goto out_busy;
-
-	event_is_open = 1;
-
-	spin_unlock_irq (&bm_osl_event_lock);
-	return 0;
-
-out_busy:
-	spin_unlock_irq (&bm_osl_event_lock);
-	return -EBUSY;
-}
-
-
-static int bm_osl_close_event(struct inode *inode, struct file *file)
-{
-	event_is_open = 0;
-	return 0;
-}
-
-/****************************************************************************
- *
- * FUNCTION:	bm_osl_read_event
- *
- * DESCRIPTION: Handles reads to the 'event' file by blocking user-mode
- *              threads until data (an event) is generated.
- *
- ****************************************************************************/
-static ssize_t
-bm_osl_read_event(
-	struct file		*file,
-	char			*buf,
-	size_t			count,
-	loff_t			*ppos)
-{
-	BM_OSL_EVENT		*event = NULL;
-	unsigned long		flags = 0;
-	static char		str[BM_MAX_STRING_LENGTH];
-	static int		chars_remaining = 0;
-	static char 		*ptr;
-
-	if (!chars_remaining) {
-		DECLARE_WAITQUEUE(wait, current);
-
-		if (list_empty(&bm_event_list)) {
-
-			if (file->f_flags & O_NONBLOCK)
-				return -EAGAIN;
-
-			set_current_state(TASK_INTERRUPTIBLE);
-			add_wait_queue(&bm_event_wait_queue, &wait);
-
-			if (list_empty(&bm_event_list)) {
-				schedule();
-			}
-
-			remove_wait_queue(&bm_event_wait_queue, &wait);
-			set_current_state(TASK_RUNNING);
-
-			if (signal_pending(current)) {
-				return -ERESTARTSYS;
-			}
-		}
-
-		spin_lock_irqsave(&bm_osl_event_lock, flags);
-		event = list_entry(bm_event_list.next, BM_OSL_EVENT, list);
-		list_del(&event->list);
-		spin_unlock_irqrestore(&bm_osl_event_lock, flags);
-
-		chars_remaining = sprintf(str, "%s %s %08x %08x\n",
-			event->device_type, event->device_instance,
-			event->event_type, event->event_data);
-		ptr = str;
-
-		acpi_os_free(event->device_type);
-		acpi_os_free(event->device_instance);
-		acpi_os_free(event);
-	}
-
-	if (chars_remaining < count)
-		count = chars_remaining;
-	
-	if (copy_to_user(buf, ptr, count))
-		return -EFAULT;
-
-	*ppos += count;
-	chars_remaining -= count;
-	ptr += count;
-
-	return count;
-}
-
-/****************************************************************************
- *
- * FUNCTION:	bm_osl_poll_event
- *
- * DESCRIPTION: Handles poll() of the 'event' file by blocking user-mode 
- *              threads until data (an event) is generated.
- *
- ****************************************************************************/
-static unsigned int
-bm_osl_poll_event(
-	struct file		*file, 
-	poll_table		*wait)
-{
-	poll_wait(file, &bm_event_wait_queue, wait);
-	if (!list_empty(&bm_event_list))
-		return POLLIN | POLLRDNORM;
-	return 0;
-}
-
-struct file_operations proc_event_operations = {
-	open:		bm_osl_open_event,
-	read:		bm_osl_read_event,
-	release:	bm_osl_close_event,
-	poll:		bm_osl_poll_event,	
-};
-
-/****************************************************************************
- *
- * FUNCTION:    bm_osl_init
- *
- ****************************************************************************/
-
-int
-bm_osl_init(void)
-{
-	acpi_status		status = AE_OK;
-
-	status = acpi_subsystem_status();
-	if (ACPI_FAILURE(status))
-		return -ENODEV;
-
-	bm_proc_root = proc_mkdir(BM_PROC_ROOT, NULL);
-	if (!bm_proc_root) {
-		return(AE_ERROR);
-	}
-
-	bm_proc_event = create_proc_entry(BM_PROC_EVENT, S_IRUSR, bm_proc_root);
-	if (bm_proc_event) {
-		bm_proc_event->proc_fops = &proc_event_operations;
-	}
-
-	status = bm_initialize();
-
-	return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    bm_osl_cleanup
- *
- ****************************************************************************/
-
-void
-bm_osl_cleanup(void)
-{
-	bm_terminate();
-
-	if (bm_proc_event) {
-		remove_proc_entry(BM_PROC_EVENT, bm_proc_root);
-		bm_proc_event = NULL;
-	}
-
-	if (bm_proc_root) {
-		remove_proc_entry(BM_PROC_ROOT, NULL);
-		bm_proc_root = NULL;
-	}
-
-	return;
-}
-
-
-module_init(bm_osl_init);
-module_exit(bm_osl_cleanup);
-
-
-/****************************************************************************
- *                                  Symbols
- ****************************************************************************/
-
-/* bm.c */
-
-EXPORT_SYMBOL(bm_get_node);
-
-/* bmdriver.c */
-
-EXPORT_SYMBOL(bm_get_device_power_state);
-EXPORT_SYMBOL(bm_set_device_power_state);
-EXPORT_SYMBOL(bm_get_device_info);
-EXPORT_SYMBOL(bm_get_device_status);
-EXPORT_SYMBOL(bm_get_device_context);
-EXPORT_SYMBOL(bm_register_driver);
-EXPORT_SYMBOL(bm_unregister_driver);
-
-/* bmsearch.c */
-
-EXPORT_SYMBOL(bm_search);
-
-/* bmrequest.c */
-
-EXPORT_SYMBOL(bm_request);
-
-/* bmutils.c */
-
-EXPORT_SYMBOL(bm_extract_package_data);
-EXPORT_SYMBOL(bm_evaluate_object);
-EXPORT_SYMBOL(bm_evaluate_simple_integer);
-EXPORT_SYMBOL(bm_evaluate_reference_list);
-EXPORT_SYMBOL(bm_copy_to_buffer);
-EXPORT_SYMBOL(bm_cast_buffer);
-
-/* bm_proc.c */
-
-EXPORT_SYMBOL(bm_osl_generate_event);
-EXPORT_SYMBOL(bm_proc_root);

drivers/acpi/ospm/busmgr/bmrequest.c

-/******************************************************************************
- *
- * Module Name: bmrequest.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 <acpi.h>
-#include "bm.h"
-
-#define _COMPONENT		ACPI_BUS
-	MODULE_NAME		("bmrequest")
-
-
-/****************************************************************************
- *                            External Functions
- ****************************************************************************/
-
-/****************************************************************************
- *
- * FUNCTION:    bm_generate_request
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bm_generate_request (
-	BM_NODE			*node,
-	BM_REQUEST		*request)
-{
-	acpi_status             status = AE_OK;
-	BM_DEVICE		*device = NULL;
-
-	FUNCTION_TRACE("bm_generate_request");
-
-	if (!node || !request) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	device = &(node->device);
-
-	if (!BM_IS_DRIVER_CONTROL(device)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No driver installed for device [%02x].\n", device->handle));
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	status = node->driver.request(request, node->driver.context);
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    bm_request
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bm_request (
-	BM_REQUEST              *request)
-{
-	acpi_status             status = AE_OK;
-	BM_NODE			*node = NULL;
-	BM_DEVICE		*device = NULL;
-
-	FUNCTION_TRACE("bm_request");
-
-	/*
-	 * Must have a valid request structure.
-	 */
-	if (!request) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received request for device [%02x] command [%02x].\n", request->handle, request->command));
-
-	/*
-	 * Resolve the node.
-	 */
-	status = bm_get_node(request->handle, 0, &node);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	device = &(node->device);
-
-	/*
-	 * Device-Specific Request?
-	 * ------------------------
-	 * If a device-specific command (>=0x80) forward this request to
-	 * the appropriate driver.
-	 */
-	if (request->command & BM_COMMAND_DEVICE_SPECIFIC) {
-		status = bm_generate_request(node, request);
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Bus-Specific Requests:
-	 * ----------------------
-	 */
-	switch (request->command) {
-
-	case BM_COMMAND_GET_POWER_STATE:
-		status = bm_get_power_state(node);
-		if (ACPI_FAILURE(status)) {
-			break;
-		}
-		status = bm_copy_to_buffer(&(request->buffer),
-			&(device->power.state), sizeof(BM_POWER_STATE));
-		break;
-
-	case BM_COMMAND_SET_POWER_STATE:
-	 {
-		BM_POWER_STATE *power_state = NULL;
-
-		status = bm_cast_buffer(&(request->buffer),
-			(void**)&power_state, sizeof(BM_POWER_STATE));
-		if (ACPI_FAILURE(status)) {
-			break;
-		}
-		status = bm_set_power_state(node, *power_state);
-	}
-		break;
-
-	default:
-		status = AE_SUPPORT;
-		request->status = AE_SUPPORT;
-		break;
-	}
-
-	return_ACPI_STATUS(status);
-}

drivers/acpi/ospm/button/Makefile

-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/ec/Makefile

-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/ec/ec_osl.c

-/*****************************************************************************
- *
- * Module Name: ec_osl.c
- *   $Revision: 11 $
- *
- *****************************************************************************/
-
-/*
- *  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 <bm.h>
-#include "ec.h"
-
-
-MODULE_AUTHOR("Andrew Grover");
-MODULE_DESCRIPTION("ACPI Component Architecture (CA) - Embedded Controller Driver");
-MODULE_LICENSE("GPL");
-
-extern struct proc_dir_entry	*bm_proc_root;
-
-
-/****************************************************************************
- *
- * FUNCTION:    ec_osl_init
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	0: Success
- *
- * DESCRIPTION: Module initialization.
- *
- ****************************************************************************/
-
-static int __init
-ec_osl_init (void)
-{
-	acpi_status		status = AE_OK;
-
-	/* abort if no busmgr */
-	if (!bm_proc_root)
-		return -ENODEV;
-
-	status = ec_initialize();
-
-	return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
-}
-
-/****************************************************************************
- *
- * FUNCTION:    ec_osl_cleanup
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	<none>
- *
- * DESCRIPTION: Module cleanup.
- *
- ****************************************************************************/
-
-static void __exit
-ec_osl_cleanup(void)
-{
-	ec_terminate();
-
-	return;
-}
-
-module_init(ec_osl_init);
-module_exit(ec_osl_cleanup);

drivers/acpi/ospm/processor/Makefile

-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make

drivers/acpi/ospm/system/Makefile

-O_TARGET	:= ospm_$(notdir $(CURDIR)).o
-obj-m		:= $(O_TARGET)
-EXTRA_CFLAGS	+= $(ACPI_CFLAGS)
-obj-y		:= $(patsubst %.c,%.o,$(wildcard *.c))
-
-include $(TOPDIR)/Rules.make