patch-2.4.22 linux-2.4.22/drivers/acpi/ospm/battery/bt_osl.c

• Lines: 444
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/drivers/acpi/ospm/battery/bt_osl.c
• Orig date: 2001-12-21 09:41:53.000000000 -0800

diff -urN linux-2.4.21/drivers/acpi/ospm/battery/bt_osl.c linux-2.4.22/drivers/acpi/ospm/battery/bt_osl.c
@@ -1,443 +0,0 @@
-/******************************************************************************
- *
- * Module Name: bt_osl.c
- *   $Revision: 24 $
- *
- *****************************************************************************/
-
-/*
- *  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
- */
-
-/*
- * Changes:
- * Brendan Burns <bburns@wso.williams.edu> 2000-11-15
- * - added proc battery interface
- * - parse returned data from _BST and _BIF
- * Andy Grover <andrew.grover@intel.com> 2000-12-8
- * - improved proc interface
- */
-
-
-#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 "bt.h"
-
-
-MODULE_AUTHOR("Andrew Grover");
-MODULE_DESCRIPTION("ACPI Component Architecture (CA) - Control Method Battery Driver");
-MODULE_LICENSE("GPL");
-
-
-#define BT_PROC_ROOT		"battery"
-#define BT_PROC_STATUS		"status"
-#define BT_PROC_INFO		"info"
-
-extern struct proc_dir_entry	*bm_proc_root;
-static struct proc_dir_entry	*bt_proc_root = NULL;
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_proc_read_info
- *
- ****************************************************************************/
-
-static int
-bt_osl_proc_read_info (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*context)
-{
-	BT_CONTEXT		*battery = NULL;
-	BT_BATTERY_INFO 	*battery_info = NULL;
-	char			*p = page;
-	int 			len = 0;
-
-	if (!context || (off != 0)) {
-		goto end;
-	}
-
-	battery = (BT_CONTEXT*)context;
-
-	/*
-	 * Battery Present?
-	 * ----------------
-	 */
-	if (!battery->is_present) {
-		p += sprintf(p, "Present:                 no\n");
-		goto end;
-	}
-	else {
-		p += sprintf(p, "Present:                 yes\n");
-	}
-
-	/*
-	 * Get Battery Information:
-	 * ------------------------
-	 */
-	if (ACPI_FAILURE(bt_get_info(battery, &battery_info))) {
-		p += sprintf(p, "Error reading battery information (_BIF)\n");
-		goto end;
-	}
-
-	if (battery_info->design_capacity == BT_UNKNOWN) {
-		p += sprintf(p, "Design Capacity:         unknown\n");
-	}
-	else {
-		p += sprintf(p, "Design Capacity:         %d %sh\n",
-			 (u32)battery_info->design_capacity,
-			 battery->power_units);
-	}
-	
-	if (battery_info->last_full_capacity == BT_UNKNOWN) {
-		p += sprintf(p, "Last Full Capacity:      unknown\n");
-	}
-	else {
-		p += sprintf(p, "Last Full Capacity:      %d %sh\n",
-			 (u32)battery_info->last_full_capacity,
-			 battery->power_units);
-	}
-
-	if (battery_info->battery_technology == 0) {
-		p += sprintf(p, "Battery Technology:      primary (non-rechargeable)\n");
-	}
-	else if (battery_info->battery_technology == 1) {
-		p += sprintf(p, "Battery Technology:      secondary (rechargeable)\n");
-	}
-	else {
-		p += sprintf(p, "Battery Technology:      unknown\n");
-	}
-
-	if (battery_info->design_voltage == BT_UNKNOWN) {
-		p += sprintf(p, "Design Voltage:          unknown\n");
-	}
-	else {
-		p += sprintf(p, "Design Voltage:          %d mV\n",
-			 (u32)battery_info->design_voltage);
-	}
-	
-	p += sprintf(p, "Design Capacity Warning: %d %sh\n",
-		(u32)battery_info->design_capacity_warning,
-		battery->power_units);
-	p += sprintf(p, "Design Capacity Low:     %d %sh\n",
-		(u32)battery_info->design_capacity_low,
-		battery->power_units);
-	p += sprintf(p, "Capacity Granularity 1:  %d %sh\n",
-		(u32)battery_info->battery_capacity_granularity_1,
-		battery->power_units);
-	p += sprintf(p, "Capacity Granularity 2:  %d %sh\n",
-		(u32)battery_info->battery_capacity_granularity_2,
-		battery->power_units);
-	p += sprintf(p, "Model Number:            %s\n",
-		battery_info->model_number);
-	p += sprintf(p, "Serial Number:           %s\n",
-		battery_info->serial_number);
-	p += sprintf(p, "Battery Type:            %s\n",
-		battery_info->battery_type);
-	p += sprintf(p, "OEM Info:                %s\n",
-		battery_info->oem_info);
-	
-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;
-
-	acpi_os_free(battery_info);
-
-	return(len);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_proc_read_status
- *
- ****************************************************************************/
-
-static int
-bt_osl_proc_read_status (
-	char			*page,
-	char			**start,
-	off_t			off,
-	int 			count,
-	int 			*eof,
-	void			*context)
-{
-	BT_CONTEXT		*battery = NULL;
-	BT_BATTERY_STATUS	*battery_status = NULL;
-	char			*p = page;
-	int 			len = 0;
-
-	if (!context || (off != 0)) {
-		goto end;
-	}
-
-	battery = (BT_CONTEXT*)context;
-
-	/*
-	 * Battery Present?
-	 * ----------------
-	 */
-	if (!battery->is_present) {
-		p += sprintf(p, "Present:                 no\n");
-		goto end;
-	}
-	else {
-		p += sprintf(p, "Present:                 yes\n");
-	}
-
-	/*
-	 * Get Battery Status:
-	 * -------------------
-	 */
-	if (ACPI_FAILURE(bt_get_status(battery, &battery_status))) {
-		p += sprintf(p, "Error reading battery status (_BST)\n");
-		goto end;
-	}
-
-	/*
-	 * Store Data:
-	 * -----------
-	 */
-
-	if (!battery_status->state) {
-		p += sprintf(p, "State:                   ok\n");
-	}
-	else {
-		if (battery_status->state & 0x1)
-			p += sprintf(p, "State:                   discharging\n");
-		if (battery_status->state & 0x2)
-			p += sprintf(p, "State:                   charging\n");
-		if (battery_status->state & 0x4)
-			p += sprintf(p, "State:                   critically low\n");
-	}
-
-	if (battery_status->present_rate == BT_UNKNOWN) {
-		p += sprintf(p, "Present Rate:            unknown\n");
-	}
-	else {
-		p += sprintf(p, "Present Rate:            %d %s\n",
-			(u32)battery_status->present_rate,
-			battery->power_units);
-	}
-
-	if (battery_status->remaining_capacity == BT_UNKNOWN) {
-		p += sprintf(p, "Remaining Capacity:      unknown\n");
-	}
-	else {
-		p += sprintf(p, "Remaining Capacity:      %d %sh\n",
-			(u32)battery_status->remaining_capacity,
-			battery->power_units);
-	}
-
-	if (battery_status->present_voltage == BT_UNKNOWN) {
-		p += sprintf(p, "Battery Voltage:         unknown\n");
-	}
-	else {
-		p += sprintf(p, "Battery Voltage:         %d mV\n",
-			(u32)battery_status->present_voltage);
-	}
-
-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;
-
-	acpi_os_free(battery_status);
-
-	return(len);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_add_device
- *
- ****************************************************************************/
-
-acpi_status
-bt_osl_add_device(
-	BT_CONTEXT		*battery)
-{
-	struct proc_dir_entry	*proc_entry = NULL;
-
-	if (!battery) {
-		return(AE_BAD_PARAMETER);
-	}
-
-	if (battery->is_present) {
-		printk("ACPI: Battery socket found, battery present\n");
-	}
-	else {
-		printk("ACPI: Battery socket found, battery absent\n");
-	}
-
-	proc_entry = proc_mkdir(battery->uid, bt_proc_root);
-	if (!proc_entry) {
-		return(AE_ERROR);
-	}
-
-	create_proc_read_entry(BT_PROC_STATUS, S_IFREG | S_IRUGO,
-		proc_entry, bt_osl_proc_read_status, (void*)battery);
-
-	create_proc_read_entry(BT_PROC_INFO, S_IFREG | S_IRUGO,
-		proc_entry, bt_osl_proc_read_info, (void*)battery);
-
-	return(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_remove_device
- *
- ****************************************************************************/
-
-acpi_status
-bt_osl_remove_device (
-	BT_CONTEXT		*battery)
-{
-	char			proc_entry[64];
-
-	if (!battery) {
-		return(AE_BAD_PARAMETER);
-	}
-
-	sprintf(proc_entry, "%s/%s", battery->uid, BT_PROC_INFO);
-	remove_proc_entry(proc_entry, bt_proc_root);
-
-	sprintf(proc_entry, "%s/%s", battery->uid, BT_PROC_STATUS);
-	remove_proc_entry(proc_entry, bt_proc_root);
-
-	sprintf(proc_entry, "%s", battery->uid);
-	remove_proc_entry(proc_entry, bt_proc_root);
-
-	return(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_generate_event
- *
- ****************************************************************************/
-
-acpi_status
-bt_osl_generate_event (
-	u32			event,
-	BT_CONTEXT		*battery)
-{
-	acpi_status		status = AE_OK;
-
-	if (!battery) {
-		return(AE_BAD_PARAMETER);
-	}
-
-	switch (event) {
-
-	case BT_NOTIFY_STATUS_CHANGE:
-	case BT_NOTIFY_INFORMATION_CHANGE:
-		status = bm_osl_generate_event(battery->device_handle,
-			BT_PROC_ROOT, battery->uid, event, 0);
-		break;
-
-	default:
-		return(AE_BAD_PARAMETER);
-		break;
-	}
-
-	return(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_init
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	0: Success
- *
- * DESCRIPTION: Module initialization.
- *
- ****************************************************************************/
-
-static int __init
-bt_osl_init (void)
-{
-	acpi_status		status = AE_OK;
-
-	/* abort if no busmgr */
-	if (!bm_proc_root)
-		return -ENODEV;
-
-	bt_proc_root = proc_mkdir(BT_PROC_ROOT, bm_proc_root);
-	if (!bt_proc_root) {
-		status = AE_ERROR;
-	}
-	else {
-		status = bt_initialize();
-		if (ACPI_FAILURE(status)) {
-			remove_proc_entry(BT_PROC_ROOT, bm_proc_root);
-		}
-	}
-
-	return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bt_osl_cleanup
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	<none>
- *
- * DESCRIPTION: Module cleanup.
- *
- ****************************************************************************/
-
-static void __exit
-bt_osl_cleanup (void)
-{
-	bt_terminate();
-
-	if (bt_proc_root) {
-		remove_proc_entry(BT_PROC_ROOT, bm_proc_root);
-	}
-
-	return;
-}
-
-
-module_init(bt_osl_init);
-module_exit(bt_osl_cleanup);