summaryrefslogtreecommitdiff
path: root/drivers/acpi/events/evevent.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/events/evevent.c')
-rw-r--r--drivers/acpi/events/evevent.c312
1 files changed, 0 insertions, 312 deletions
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
deleted file mode 100644
index c56c5c6ea77b..000000000000
--- a/drivers/acpi/events/evevent.c
+++ /dev/null
@@ -1,312 +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/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));
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-25 03:02:19 +0000