patch-2.4.22 linux-2.4.22/drivers/acpi/ospm/busmgr/bmnotify.c

• Lines: 313
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/drivers/acpi/ospm/busmgr/bmnotify.c
• Orig date: 2001-09-23 09:42:32.000000000 -0700

diff -urN linux-2.4.21/drivers/acpi/ospm/busmgr/bmnotify.c linux-2.4.22/drivers/acpi/ospm/busmgr/bmnotify.c
@@ -1,312 +0,0 @@
-/*****************************************************************************
- *
- * Module Name: bmnotify.c
- *   $Revision: 21 $
- *
- *****************************************************************************/
-
-/*
- *  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		("bmnotify")
-
-
-/****************************************************************************
- *                            Internal Functions
- ****************************************************************************/
-
-/****************************************************************************
- *
- * FUNCTION:    bm_generate_notify
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bm_generate_notify (
-	BM_NODE			*node,
-	u32			notify_type)
-{
-	acpi_status		status = AE_OK;
-	BM_DEVICE		*device = NULL;
-
-	FUNCTION_TRACE("bm_generate_notify");
-
-	if (!node) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	device = &(node->device);
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Sending notify [%02x] to device [%02x].\n", notify_type, node->device.handle));
-
-	if (!BM_IS_DRIVER_CONTROL(device)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "No driver installed for device [%02x].\n", device->handle));
-		return_ACPI_STATUS(AE_NOT_EXIST);
-	}
-
-	status = node->driver.notify(notify_type, node->device.handle,
-		&(node->driver.context));
-
-	return_ACPI_STATUS(status);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    bm_device_check
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bm_device_check (
-	BM_NODE			*node,
-	u32			*status_change)
-{
-	acpi_status             status = AE_OK;
-	BM_DEVICE		*device = NULL;
-	BM_DEVICE_STATUS	old_status = BM_STATUS_UNKNOWN;
-
-	FUNCTION_TRACE("bm_device_check");
-
-	if (!node) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	device = &(node->device);
-
-	if (status_change) {
-		*status_change = FALSE;
-	}
-
-	old_status = device->status;
-
-	/*
-	 * Parent Present?
-	 * ---------------
-	 * Only check this device if its parent is present (which implies
-	 * this device MAY be present).
-	 */
-	if (!BM_NODE_PRESENT(node->parent)) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	/*
-	 * Get Status:
-	 * -----------
-	 * And see if the status has changed.
-	 */
-	status = bm_get_status(device);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-	
-	if (old_status == node->device.status) {
-		return_ACPI_STATUS(AE_OK);
-	}
-
-	if (status_change) {
-		*status_change = TRUE;
-	}
-	
-	/*
-	 * Device Insertion?
-	 * -----------------
-	 */
-	if ((device->status & BM_STATUS_PRESENT) &&
-		!(old_status & BM_STATUS_PRESENT)) {
-		/* TBD: Make sure driver is loaded, and if not, load. */
-		status = bm_generate_notify(node, BM_NOTIFY_DEVICE_ADDED);
-	}
-
-	/*
-	 * Device Removal?
-	 * ---------------
-	 */
-	else if (!(device->status & BM_STATUS_PRESENT) &&
-		(old_status & BM_STATUS_PRESENT)) {
-		/* TBD: Unload driver if last device instance. */
-		status = bm_generate_notify(node, BM_NOTIFY_DEVICE_REMOVED);
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-
-/****************************************************************************
- *
- * FUNCTION:    bm_bus_check
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-acpi_status
-bm_bus_check (
-	BM_NODE			*parent_node)
-{
-	acpi_status             status = AE_OK;
-	u32			status_change = FALSE;
-
-	FUNCTION_TRACE("bm_bus_check");
-
-	if (!parent_node) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * Status Change?
-	 * --------------
-	 */
-	status = bm_device_check(parent_node, &status_change);
-	if (ACPI_FAILURE(status) || !status_change) {
-		return_ACPI_STATUS(status);
-	}
-
-	/*
-	 * Enumerate Scope:
-	 * ----------------
-	 * TBD: Enumerate child devices within this device's scope and
-	 *       run bm_device_check()'s on them...
-	 */
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-
-/****************************************************************************
- *                            External Functions
- ****************************************************************************/
-
-/****************************************************************************
- *
- * FUNCTION:    bm_notify
- *
- * PARAMETERS:
- *
- * RETURN:
- *
- * DESCRIPTION:
- *
- ****************************************************************************/
-
-void
-bm_notify (
-	acpi_handle             acpi_handle,
-	u32                     notify_value,
-	void                    *context)
-{
-	acpi_status             status = AE_OK;
-	BM_NODE			*node = NULL;
-
-	FUNCTION_TRACE("bm_notify");
-
-	/*
-	 * Resolve the ACPI handle.
-	 */
-	status = bm_get_node(0, acpi_handle, &node);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Recieved notify [%02x] for unknown device [%p].\n", notify_value, acpi_handle));
-		return_VOID;
-	}
-
-	/*
-	 * Device-Specific or Standard?
-	 * ----------------------------
-	 * Device-specific notifies are forwarded to the control module's
-	 * notify() function for processing.  Standard notifies are handled
-	 * internally.
-	 */
-	if (notify_value > 0x7F) {
-		status = bm_generate_notify(node, notify_value);
-	}
-	else {
-		switch (notify_value) {
-
-		case BM_NOTIFY_BUS_CHECK:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received BUS CHECK notification for device [%02x].\n", node->device.handle));
-			status = bm_bus_check(node);
-			break;
-
-		case BM_NOTIFY_DEVICE_CHECK:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received DEVICE CHECK notification for device [%02x].\n", node->device.handle));
-			status = bm_device_check(node, NULL);
-			break;
-
-		case BM_NOTIFY_DEVICE_WAKE:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received DEVICE WAKE notification for device [%02x].\n", node->device.handle));
-			/* TBD */
-			break;
-
-		case BM_NOTIFY_EJECT_REQUEST:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received EJECT REQUEST notification for device [%02x].\n", node->device.handle));
-			/* TBD */
-			break;
-
-		case BM_NOTIFY_DEVICE_CHECK_LIGHT:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received DEVICE CHECK LIGHT notification for device [%02x].\n", node->device.handle));
-			/* TBD: Exactly what does the 'light' mean? */
-			status = bm_device_check(node, NULL);
-			break;
-
-		case BM_NOTIFY_FREQUENCY_MISMATCH:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received FREQUENCY MISMATCH notification for device [%02x].\n", node->device.handle));
-			/* TBD */
-			break;
-
-		case BM_NOTIFY_BUS_MODE_MISMATCH:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received BUS MODE MISMATCH notification for device [%02x].\n", node->device.handle));
-			/* TBD */
-			break;
-
-		case BM_NOTIFY_POWER_FAULT:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received POWER FAULT notification.\n"));
-			/* TBD */
-			break;
-
-		default:
-			ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Received unknown/unsupported notification.\n"));
-			break;
-		}
-	}
-
-	return_VOID;
-}
-
-