diff options
Diffstat (limited to 'drivers/acpi/events/evsci.c')
| -rw-r--r-- | drivers/acpi/events/evsci.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c deleted file mode 100644 index 2a8b77877610..000000000000 --- a/drivers/acpi/events/evsci.c +++ /dev/null @@ -1,184 +0,0 @@ -/******************************************************************************* - * - * Module Name: evsci - System Control Interrupt configuration and - * legacy to ACPI mode state transition functions - * - ******************************************************************************/ - -/* - * 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("evsci") - -/* Local prototypes */ -static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context); - -/******************************************************************************* - * - * FUNCTION: acpi_ev_sci_xrupt_handler - * - * PARAMETERS: Context - Calling Context - * - * RETURN: Status code indicates whether interrupt was handled. - * - * DESCRIPTION: Interrupt handler that will figure out what function or - * control method to call to deal with a SCI. - * - ******************************************************************************/ - -static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context) -{ - struct acpi_gpe_xrupt_info *gpe_xrupt_list = context; - u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED; - - ACPI_FUNCTION_TRACE(ev_sci_xrupt_handler); - - /* - * We are guaranteed by the ACPI CA initialization/shutdown code that - * if this interrupt handler is installed, ACPI is enabled. - */ - - /* - * Fixed Events: - * Check for and dispatch any Fixed Events that have occurred - */ - interrupt_handled |= acpi_ev_fixed_event_detect(); - - /* - * General Purpose Events: - * Check for and dispatch any GPEs that have occurred - */ - interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list); - - return_UINT32(interrupt_handled); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ev_gpe_xrupt_handler - * - * PARAMETERS: Context - Calling Context - * - * RETURN: Status code indicates whether interrupt was handled. - * - * DESCRIPTION: Handler for GPE Block Device interrupts - * - ******************************************************************************/ - -u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context) -{ - struct acpi_gpe_xrupt_info *gpe_xrupt_list = context; - u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED; - - ACPI_FUNCTION_TRACE(ev_gpe_xrupt_handler); - - /* - * We are guaranteed by the ACPI CA initialization/shutdown code that - * if this interrupt handler is installed, ACPI is enabled. - */ - - /* - * GPEs: - * Check for and dispatch any GPEs that have occurred - */ - interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list); - - return_UINT32(interrupt_handled); -} - -/****************************************************************************** - * - * FUNCTION: acpi_ev_install_sci_handler - * - * PARAMETERS: none - * - * RETURN: Status - * - * DESCRIPTION: Installs SCI handler. - * - ******************************************************************************/ - -u32 acpi_ev_install_sci_handler(void) -{ - u32 status = AE_OK; - - ACPI_FUNCTION_TRACE(ev_install_sci_handler); - - status = - acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt, - acpi_ev_sci_xrupt_handler, - acpi_gbl_gpe_xrupt_list_head); - return_ACPI_STATUS(status); -} - -/****************************************************************************** - * - * FUNCTION: acpi_ev_remove_sci_handler - * - * PARAMETERS: none - * - * RETURN: E_OK if handler uninstalled OK, E_ERROR if handler was not - * installed to begin with - * - * DESCRIPTION: Remove the SCI interrupt handler. No further SCIs will be - * taken. - * - * Note: It doesn't seem important to disable all events or set the event - * enable registers to their original values. The OS should disable - * the SCI interrupt level when the handler is removed, so no more - * events will come in. - * - ******************************************************************************/ - -acpi_status acpi_ev_remove_sci_handler(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ev_remove_sci_handler); - - /* Just let the OS remove the handler and disable the level */ - - status = - acpi_os_remove_interrupt_handler((u32) acpi_gbl_FADT.sci_interrupt, - acpi_ev_sci_xrupt_handler); - - return_ACPI_STATUS(status); -} |