diff options
author | Len Brown <len.brown@intel.com> | 2009-01-09 06:13:17 +0100 |
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committer | Len Brown <len.brown@intel.com> | 2009-01-09 09:30:47 +0100 |
commit | 95b482a8d31116f3f5c2a5089569393234d06385 (patch) | |
tree | f32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/events/evevent.c | |
parent | ACPICA: delete utcache.c (diff) | |
download | linux-95b482a8d31116f3f5c2a5089569393234d06385.tar.xz linux-95b482a8d31116f3f5c2a5089569393234d06385.zip |
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/events/evevent.c')
-rw-r--r-- | drivers/acpi/events/evevent.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c deleted file mode 100644 index 86bf08365dad..000000000000 --- a/drivers/acpi/events/evevent.c +++ /dev/null @@ -1,313 +0,0 @@ -/****************************************************************************** - * - * Module Name: evevent - Fixed Event handling and dispatch - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, 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. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acevents.h> - -#define _COMPONENT ACPI_EVENTS -ACPI_MODULE_NAME("evevent") - -/* Local prototypes */ -static acpi_status acpi_ev_fixed_event_initialize(void); - -static u32 acpi_ev_fixed_event_dispatch(u32 event); - -/******************************************************************************* - * - * FUNCTION: acpi_ev_initialize_events - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Initialize global data structures for ACPI events (Fixed, GPE) - * - ******************************************************************************/ - -acpi_status acpi_ev_initialize_events(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_initialize_events); - - /* - * Initialize the Fixed and General Purpose Events. This is done prior to - * enabling SCIs to prevent interrupts from occurring before the handlers - * are installed. - */ - status = acpi_ev_fixed_event_initialize(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Unable to initialize fixed events")); - return_ACPI_STATUS(status); - } - - status = acpi_ev_gpe_initialize(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Unable to initialize general purpose events")); - return_ACPI_STATUS(status); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_install_fadt_gpes - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Completes initialization of the FADT-defined GPE blocks - * (0 and 1). This causes the _PRW methods to be run, so the HW - * must be fully initialized at this point, including global lock - * support. - * - ******************************************************************************/ - -acpi_status acpi_ev_install_fadt_gpes(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_install_fadt_gpes); - - /* Namespace must be locked */ - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return (status); - } - - /* FADT GPE Block 0 */ - - (void)acpi_ev_initialize_gpe_block(acpi_gbl_fadt_gpe_device, - acpi_gbl_gpe_fadt_blocks[0]); - - /* FADT GPE Block 1 */ - - (void)acpi_ev_initialize_gpe_block(acpi_gbl_fadt_gpe_device, - acpi_gbl_gpe_fadt_blocks[1]); - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_install_xrupt_handlers - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Install interrupt handlers for the SCI and Global Lock - * - ******************************************************************************/ - -acpi_status acpi_ev_install_xrupt_handlers(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_install_xrupt_handlers); - - /* Install the SCI handler */ - - status = acpi_ev_install_sci_handler(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Unable to install System Control Interrupt handler")); - return_ACPI_STATUS(status); - } - - /* Install the handler for the Global Lock */ - - status = acpi_ev_init_global_lock_handler(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Unable to initialize Global Lock handler")); - return_ACPI_STATUS(status); - } - - acpi_gbl_events_initialized = TRUE; - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_fixed_event_initialize - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Install the fixed event handlers and enable the fixed events. - * - ******************************************************************************/ - -static acpi_status acpi_ev_fixed_event_initialize(void) -{ - u32 i; - acpi_status status; - - /* - * Initialize the structure that keeps track of fixed event handlers and - * enable the fixed events. - */ - for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { - acpi_gbl_fixed_event_handlers[i].handler = NULL; - acpi_gbl_fixed_event_handlers[i].context = NULL; - - /* Enable the fixed event */ - - if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) { - status = - acpi_set_register(acpi_gbl_fixed_event_info[i]. - enable_register_id, 0); - if (ACPI_FAILURE(status)) { - return (status); - } - } - } - - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_fixed_event_detect - * - * PARAMETERS: None - * - * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED - * - * DESCRIPTION: Checks the PM status register for active fixed events - * - ******************************************************************************/ - -u32 acpi_ev_fixed_event_detect(void) -{ - u32 int_status = ACPI_INTERRUPT_NOT_HANDLED; - u32 fixed_status; - u32 fixed_enable; - u32 i; - - ACPI_FUNCTION_NAME(ev_fixed_event_detect); - - /* - * Read the fixed feature status and enable registers, as all the cases - * depend on their values. Ignore errors here. - */ - (void)acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status); - (void)acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable); - - ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS, - "Fixed Event Block: Enable %08X Status %08X\n", - fixed_enable, fixed_status)); - - /* - * Check for all possible Fixed Events and dispatch those that are active - */ - for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { - - /* Both the status and enable bits must be on for this event */ - - if ((fixed_status & acpi_gbl_fixed_event_info[i]. - status_bit_mask) - && (fixed_enable & acpi_gbl_fixed_event_info[i]. - enable_bit_mask)) { - - /* Found an active (signalled) event */ - acpi_os_fixed_event_count(i); - int_status |= acpi_ev_fixed_event_dispatch(i); - } - } - - return (int_status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_fixed_event_dispatch - * - * PARAMETERS: Event - Event type - * - * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED - * - * DESCRIPTION: Clears the status bit for the requested event, calls the - * handler that previously registered for the event. - * - ******************************************************************************/ - -static u32 acpi_ev_fixed_event_dispatch(u32 event) -{ - - ACPI_FUNCTION_ENTRY(); - - /* Clear the status bit */ - - (void)acpi_set_register(acpi_gbl_fixed_event_info[event]. - status_register_id, 1); - - /* - * Make sure we've got a handler. If not, report an error. The event is - * disabled to prevent further interrupts. - */ - if (NULL == acpi_gbl_fixed_event_handlers[event].handler) { - (void)acpi_set_register(acpi_gbl_fixed_event_info[event]. - enable_register_id, 0); - - ACPI_ERROR((AE_INFO, - "No installed handler for fixed event [%08X]", - event)); - - return (ACPI_INTERRUPT_NOT_HANDLED); - } - - /* Invoke the Fixed Event handler */ - - return ((acpi_gbl_fixed_event_handlers[event]. - handler) (acpi_gbl_fixed_event_handlers[event].context)); -} |