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Diffstat (limited to 'drivers/acpi/events/evevent.c')
-rw-r--r--drivers/acpi/events/evevent.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
deleted file mode 100644
index dd3a72a869f..00000000000
--- a/drivers/acpi/events/evevent.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/******************************************************************************
- *
- * Module Name: evevent - Fixed Event handling and dispatch
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
- * 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");
-
-
- /* Make sure we have ACPI tables */
-
- if (!acpi_gbl_DSDT) {
- ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No ACPI tables present!\n"));
- return_ACPI_STATUS (AE_NO_ACPI_TABLES);
- }
-
- /*
- * 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_REPORT_ERROR ((
- "Unable to initialize fixed events, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
- }
-
- status = acpi_ev_gpe_initialize ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Unable to initialize general purpose events, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * 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_REPORT_ERROR ((
- "Unable to install System Control Interrupt Handler, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
- }
-
- /* Install the handler for the Global Lock */
-
- status = acpi_ev_init_global_lock_handler ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Unable to initialize Global Lock handler, %s\n",
- acpi_format_exception (status)));
- 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)
-{
- acpi_native_uint 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, ACPI_MTX_LOCK);
- 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;
- acpi_native_uint 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_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
- &fixed_status);
- (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, 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 */
-
- int_status |= acpi_ev_fixed_event_dispatch ((u32) 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, ACPI_MTX_DO_NOT_LOCK);
-
- /*
- * 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_MTX_DO_NOT_LOCK);
-
- ACPI_REPORT_ERROR (
- ("No installed handler for fixed event [%08X]\n",
- 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));
-}
-
-
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