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

• Lines: 508
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/drivers/acpi/ospm/button/bn.c
• Orig date: 2001-10-24 14:06:22.000000000 -0700

diff -urN linux-2.4.21/drivers/acpi/ospm/button/bn.c linux-2.4.22/drivers/acpi/ospm/button/bn.c
@@ -1,507 +0,0 @@
-/*****************************************************************************
- *
- * Module Name: bn.c
- *   $Revision: 27 $
- *
- *****************************************************************************/
-
-/*
- *  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 Plxxe, Suite 330, Boston, MA  02111-1307  USA
- */
-
-
-#include <acpi.h>
-#include "bn.h"
-
-
-#define _COMPONENT		ACPI_BUTTON
-	MODULE_NAME		("bn")
-
-
-/*****************************************************************************
- *                            Internal Functions
- *****************************************************************************/
-
-/*****************************************************************************
- *
- * FUNCTION:	bn_print
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION: Prints out information on a specific button.
- *
- ****************************************************************************/
-
-void
-bn_print (
-	BN_CONTEXT		*button)
-{
-#ifdef ACPI_DEBUG
-	acpi_buffer		buffer;
-
-	PROC_NAME("bn_print");
-
-	if (!button) {
-		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(button->acpi_handle, ACPI_FULL_PATHNAME, &buffer);
-
-	/*
-	 * Print out basic button information.
-	 */
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "+------------------------------------------------------------\n"));
-
-	switch (button->type) {
-
-	case BN_TYPE_POWER_BUTTON:
-	case BN_TYPE_POWER_BUTTON_FIXED:
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "| Power_button[%02x]:[%p] %s\n", button->device_handle, button->acpi_handle, (char*)buffer.pointer));
-		break;
-
-	case BN_TYPE_SLEEP_BUTTON:
-	case BN_TYPE_SLEEP_BUTTON_FIXED:
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "| Sleep_button[%02x]:[%p] %s\n", button->device_handle, button->acpi_handle, (char*)buffer.pointer));
-		break;
-
-	case BN_TYPE_LID_SWITCH:
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "| Lid_switch[%02x]:[%p] %s\n", button->device_handle, button->acpi_handle, (char*)buffer.pointer));
-		break;
-	}
-
-	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO, "+------------------------------------------------------------\n"));
-
-	acpi_os_free(buffer.pointer);
-#endif /*ACPI_DEBUG*/
-
-	return;
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bn_add_device
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bn_add_device(
-	BM_HANDLE		device_handle,
-	void			**context)
-{
-	acpi_status		status = AE_OK;
-	BM_DEVICE		*device = NULL;
-	BN_CONTEXT		*button = NULL;
-
-	FUNCTION_TRACE("bn_add_device");
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Adding button device [%02x].\n", device_handle));
-
-	if (!context || *context) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid context.\n"));
-		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 BN_CONTEXT structure.
-	 */
-	button = acpi_os_callocate(sizeof(BN_CONTEXT));
-	if (!button) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	button->device_handle = device->handle;
-	button->acpi_handle = device->acpi_handle;
-
-	/*
-	 * Power Button?
-	 * -------------
-	 * Either fixed-feature or generic (namespace) types.
-	 */
-	if (strncmp(device->id.hid, BN_HID_POWER_BUTTON,
-		sizeof(BM_DEVICE_HID)) == 0) {
-
-		if (device->id.type == BM_TYPE_FIXED_BUTTON) {
-
-			button->type = BN_TYPE_POWER_BUTTON_FIXED;
-
-			/* Register for fixed-feature events. */
-			status = acpi_install_fixed_event_handler(
-				ACPI_EVENT_POWER_BUTTON, bn_notify_fixed,
-				(void*)button);
-		}
-		else {
-			button->type = BN_TYPE_POWER_BUTTON;
-		}
-
-	}
-
-	/*
-	 * Sleep Button?
-	 * -------------
-	 * Either fixed-feature or generic (namespace) types.
-	 */
-	else if (strncmp( device->id.hid, BN_HID_SLEEP_BUTTON,
-		sizeof(BM_DEVICE_HID)) == 0) {
-
-		if (device->id.type == BM_TYPE_FIXED_BUTTON) {
-
-			button->type = BN_TYPE_SLEEP_BUTTON_FIXED;
-
-			/* Register for fixed-feature events. */
-			status = acpi_install_fixed_event_handler(
-				ACPI_EVENT_SLEEP_BUTTON, bn_notify_fixed,
-				(void*)button);
-		}
-		else {
-			button->type = BN_TYPE_SLEEP_BUTTON;
-		}
-	}
-
-	/*
-	 * LID Switch?
-	 * -----------
-	 */
-	else if (strncmp( device->id.hid, BN_HID_LID_SWITCH,
-		sizeof(BM_DEVICE_HID)) == 0) {
-		button->type = BN_TYPE_LID_SWITCH;
-	}
-
-	status = bn_osl_add_device(button);
-	if (ACPI_FAILURE(status)) {
-		goto end;
-	}
-
-	*context = button;
-
-	bn_print(button);
-
-end:
-	if (ACPI_FAILURE(status)) {
-		acpi_os_free(button);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bn_remove_device
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bn_remove_device(
-	void			**context)
-{
-	acpi_status		status = AE_OK;
-	BN_CONTEXT		*button = NULL;
-
-	FUNCTION_TRACE("bn_remove_device");
-
-	if (!context || !*context) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	button = (BN_CONTEXT*)*context;
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Removing button device [%02x].\n", button->device_handle));
-
-	/*
-	 * Unregister for fixed-feature events.
-	 */
-	switch (button->type) {
-	case BN_TYPE_POWER_BUTTON_FIXED:
-		status = acpi_remove_fixed_event_handler(
-			ACPI_EVENT_POWER_BUTTON, bn_notify_fixed);
-		break;
-	case BN_TYPE_SLEEP_BUTTON_FIXED:
-		status = acpi_remove_fixed_event_handler(
-			ACPI_EVENT_SLEEP_BUTTON, bn_notify_fixed);
-		break;
-	}
-
-	bn_osl_remove_device(button);
-
-	acpi_os_free(button);
-
-	*context = NULL;
-
-	return_ACPI_STATUS(status);
-}
-
-
-/*****************************************************************************
- *			      External Functions
- *****************************************************************************/
-
-/*****************************************************************************
- *
- * FUNCTION:	bn_initialize
- *
- * PARAMETERS:	<none>
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
-
- ****************************************************************************/
-
-acpi_status
-bn_initialize (void)
-{
-	BM_DEVICE_ID		criteria;
-	BM_DRIVER		driver;
-
-	FUNCTION_TRACE("bn_initialize");
-
-	MEMSET(&criteria, 0, sizeof(BM_DEVICE_ID));
-	MEMSET(&driver, 0, sizeof(BM_DRIVER));
-
-	driver.notify = &bn_notify;
-	driver.request = &bn_request;
-
-	/*
-	 * Register for power buttons.
-	 */
-	MEMCPY(criteria.hid, BN_HID_POWER_BUTTON, sizeof(BN_HID_POWER_BUTTON));
-	bm_register_driver(&criteria, &driver);
-
-	/*
-	 * Register for sleep buttons.
-	 */
-	MEMCPY(criteria.hid, BN_HID_SLEEP_BUTTON, sizeof(BN_HID_SLEEP_BUTTON));
-	bm_register_driver(&criteria, &driver);
-
-	/*
-	 * Register for LID switches.
-	 */
-	MEMCPY(criteria.hid, BN_HID_LID_SWITCH, sizeof(BN_HID_LID_SWITCH));
-	bm_register_driver(&criteria, &driver);
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bn_terminate
- *
- * PARAMETERS:	<none>
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bn_terminate (void)
-{
-	acpi_status		status = AE_OK;
-	BM_DEVICE_ID		criteria;
-	BM_DRIVER		driver;
-
-	FUNCTION_TRACE("bn_terminate");
-
-	MEMSET(&criteria, 0, sizeof(BM_DEVICE_ID));
-	MEMSET(&driver, 0, sizeof(BM_DRIVER));
-
-	driver.notify = &bn_notify;
-	driver.request = &bn_request;
-
-	/*
-	 * Unregister for power buttons.
-	 */
-	MEMCPY(criteria.hid, BN_HID_POWER_BUTTON, sizeof(BN_HID_POWER_BUTTON));
-	status = bm_unregister_driver(&criteria, &driver);
-
-	/*
-	 * Unregister for sleep buttons.
-	 */
-	MEMCPY(criteria.hid, BN_HID_SLEEP_BUTTON, sizeof(BN_HID_SLEEP_BUTTON));
-	status = bm_unregister_driver(&criteria, &driver);
-
-	/*
-	 * Unregister for LID switches.
-	 */
-	MEMCPY(criteria.hid, BN_HID_LID_SWITCH, sizeof(BN_HID_LID_SWITCH));
-	status = bm_unregister_driver(&criteria, &driver);
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bn_notify_fixed
- *
- * PARAMETERS:	<none>
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bn_notify_fixed (
-	void			*context)
-{
-	acpi_status		status = AE_OK;
-
-	FUNCTION_TRACE("bn_notify_fixed");
-
-	if (!context) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status change event detected.\n"));
-
-	status = bn_osl_generate_event(BN_NOTIFY_STATUS_CHANGE,
-		((BN_CONTEXT*)context));
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bn_notify
- *
- * PARAMETERS:	<none>
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bn_notify (
-	BM_NOTIFY		notify_type,
-	BM_HANDLE		device_handle,
-	void			**context)
-{
-	acpi_status		status = AE_OK;
-
-	FUNCTION_TRACE("bn_notify");
-
-	if (!context) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	switch (notify_type) {
-	case BM_NOTIFY_DEVICE_ADDED:
-		status = bn_add_device(device_handle, context);
-		break;
-		
-	case BM_NOTIFY_DEVICE_REMOVED:
-		status = bn_remove_device(context);
-		break;
-		
-	case BN_NOTIFY_STATUS_CHANGE:
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status change event detected.\n"));
-		status = bn_osl_generate_event(BN_NOTIFY_STATUS_CHANGE,
-			((BN_CONTEXT*)*context));
-		break;
-
-	default:
-		status = AE_SUPPORT;
-		break;
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:	bn_request
- *
- * PARAMETERS:	
- *
- * RETURN:	
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bn_request (
-	BM_REQUEST		*request,
-	void			*context)
-{
-	acpi_status		status = AE_OK;
-
-	FUNCTION_TRACE("bn_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);
-}