diff options
Diffstat (limited to 'drivers/acpi/acpica/acevents.h')
| -rw-r--r-- | drivers/acpi/acpica/acevents.h | 56 |
1 files changed, 20 insertions, 36 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 1b0269f6ac2d..704bebbd35b0 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -1,50 +1,30 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: acevents.h - Event subcomponent prototypes and defines * - *****************************************************************************/ - -/* * Copyright (C) 2000 - 2018, Intel Corp. - * All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ + *****************************************************************************/ #ifndef __ACEVENTS_H__ #define __ACEVENTS_H__ /* + * Conditions to trigger post enabling GPE polling: + * It is not sufficient to trigger edge-triggered GPE with specific GPE + * chips, software need to poll once after enabling. + */ +#ifdef ACPI_USE_GPE_POLLING +#define ACPI_GPE_IS_POLLING_NEEDED(__gpe__) \ + ((__gpe__)->runtime_count == 1 && \ + (__gpe__)->flags & ACPI_GPE_INITIALIZED && \ + ((__gpe__)->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED) +#else +#define ACPI_GPE_IS_POLLING_NEEDED(__gpe__) FALSE +#endif + +/* * evevent */ acpi_status acpi_ev_initialize_events(void); @@ -103,6 +83,10 @@ struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number, acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info); +u32 +acpi_ev_detect_gpe(struct acpi_namespace_node *gpe_device, + struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number); + /* * evgpeblk - Upper-level GPE block support */ |