1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4  * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable
6  * Copyright (C) 2000 - 2023, Intel Corp.
28  * DESCRIPTION: Transfers the system into ACPI mode.
44 	/* If the Hardware Reduced flag is set, machine is always in acpi mode */  in acpi_enable()
50 	/* Check current mode */  in acpi_enable()
54 				  "System is already in ACPI mode\n"));  in acpi_enable()
58 	/* Transition to ACPI mode */  in acpi_enable()
63 			    "Could not transition to ACPI mode"));  in acpi_enable()
73 				"Platform took > %d00 usec to enter ACPI mode", retry));  in acpi_enable()
79 	ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode"));  in acpi_enable()
93  * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode.  in ACPI_EXPORT_SYMBOL()
102 	/* If the Hardware Reduced flag is set, machine is always in acpi mode */  in ACPI_EXPORT_SYMBOL()
110 				  "System is already in legacy (non-ACPI) mode\n"));  in ACPI_EXPORT_SYMBOL()
112 		/* Transition to LEGACY mode */  in ACPI_EXPORT_SYMBOL()
118 				    "Could not exit ACPI mode to legacy mode"));  in ACPI_EXPORT_SYMBOL()
122 		ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI mode disabled\n"));  in ACPI_EXPORT_SYMBOL()
134  * PARAMETERS:  event           - The fixed eventto be enabled  in ACPI_EXPORT_SYMBOL()
135  *              flags           - Reserved  in ACPI_EXPORT_SYMBOL()
139  * DESCRIPTION: Enable an ACPI event (fixed)  in ACPI_EXPORT_SYMBOL()
149 	/* If Hardware Reduced flag is set, there are no fixed events */  in ACPI_EXPORT_SYMBOL()
155 	/* Decode the Fixed Event */  in ACPI_EXPORT_SYMBOL()
162 	 * Enable the requested fixed event (by writing a one to the enable  in ACPI_EXPORT_SYMBOL()
197  * PARAMETERS:  event           - The fixed event to be disabled  in ACPI_EXPORT_SYMBOL()
198  *              flags           - Reserved  in ACPI_EXPORT_SYMBOL()
202  * DESCRIPTION: Disable an ACPI event (fixed)  in ACPI_EXPORT_SYMBOL()
212 	/* If Hardware Reduced flag is set, there are no fixed events */  in ACPI_EXPORT_SYMBOL()
218 	/* Decode the Fixed Event */  in ACPI_EXPORT_SYMBOL()
225 	 * Disable the requested fixed event (by writing a zero to the enable  in ACPI_EXPORT_SYMBOL()
258  * PARAMETERS:  event           - The fixed event to be cleared  in ACPI_EXPORT_SYMBOL()
262  * DESCRIPTION: Clear an ACPI event (fixed)  in ACPI_EXPORT_SYMBOL()
271 	/* If Hardware Reduced flag is set, there are no fixed events */  in ACPI_EXPORT_SYMBOL()
277 	/* Decode the Fixed Event */  in ACPI_EXPORT_SYMBOL()
284 	 * Clear the requested fixed event (By writing a one to the status  in ACPI_EXPORT_SYMBOL()
300  * PARAMETERS:  event           - The fixed event  in ACPI_EXPORT_SYMBOL()
301  *              event_status    - Where the current status of the event will  in ACPI_EXPORT_SYMBOL()
321 	/* Decode the Fixed Event */  in ACPI_EXPORT_SYMBOL()
327 	/* Fixed event currently can be dispatched? */  in ACPI_EXPORT_SYMBOL()
333 	/* Fixed event currently enabled? */  in ACPI_EXPORT_SYMBOL()
347 	/* Fixed event currently active? */  in ACPI_EXPORT_SYMBOL()