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Commit d978348b authored by Bob Moore's avatar Bob Moore Committed by Len Brown
Browse files

ACPICA: Split ACPICA initialization functions to new file, utxfinit.c 



Split utxface.c to improve modularity and reduce file size.

Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarFeng Tang <feng.tang@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 28f538b5

drivers/acpi/acpica/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -158,5 +158,6 @@ acpi-y += \ 
	utresrc.o	\

	utstate.o	\

	utxface.o	\

	utxfinit.o	\

	utxferror.o	\

	utxfmutex.o

drivers/acpi/acpica/utxface.c

+1 −266
Original line number Diff line number Diff line 
/******************************************************************************

 *

 * Module Name: utxface - External interfaces for "global" ACPI functions

 * Module Name: utxface - External interfaces, miscellaneous utility functions

 *

 *****************************************************************************/
@@ -53,271 +53,6 @@ 
#define _COMPONENT          ACPI_UTILITIES

ACPI_MODULE_NAME("utxface")



#ifndef ACPI_ASL_COMPILER

/*******************************************************************************

 *

 * FUNCTION:    acpi_initialize_subsystem

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Initializes all global variables.  This is the first function

 *              called, so any early initialization belongs here.

 *

 ******************************************************************************/

acpi_status __init acpi_initialize_subsystem(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);



	acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;

	ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());



	/* Initialize the OS-Dependent layer */



	status = acpi_os_initialize();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));

		return_ACPI_STATUS(status);

	}



	/* Initialize all globals used by the subsystem */



	status = acpi_ut_init_globals();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During initialization of globals"));

		return_ACPI_STATUS(status);

	}



	/* Create the default mutex objects */



	status = acpi_ut_mutex_initialize();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During Global Mutex creation"));

		return_ACPI_STATUS(status);

	}



	/*

	 * Initialize the namespace manager and

	 * the root of the namespace tree

	 */

	status = acpi_ns_root_initialize();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During Namespace initialization"));

		return_ACPI_STATUS(status);

	}



	/* Initialize the global OSI interfaces list with the static names */



	status = acpi_ut_initialize_interfaces();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During OSI interfaces initialization"));

		return_ACPI_STATUS(status);

	}



	/* If configured, initialize the AML debugger */



	ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());

	return_ACPI_STATUS(status);

}



/*******************************************************************************

 *

 * FUNCTION:    acpi_enable_subsystem

 *

 * PARAMETERS:  flags           - Init/enable Options

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Completes the subsystem initialization including hardware.

 *              Puts system into ACPI mode if it isn't already.

 *

 ******************************************************************************/

acpi_status acpi_enable_subsystem(u32 flags)

{

	acpi_status status = AE_OK;



	ACPI_FUNCTION_TRACE(acpi_enable_subsystem);



#if (!ACPI_REDUCED_HARDWARE)



	/* Enable ACPI mode */



	if (!(flags & ACPI_NO_ACPI_ENABLE)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Going into ACPI mode\n"));



		acpi_gbl_original_mode = acpi_hw_get_mode();



		status = acpi_enable();

		if (ACPI_FAILURE(status)) {

			ACPI_WARNING((AE_INFO, "AcpiEnable failed"));

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Obtain a permanent mapping for the FACS. This is required for the

	 * Global Lock and the Firmware Waking Vector

	 */

	status = acpi_tb_initialize_facs();

	if (ACPI_FAILURE(status)) {

		ACPI_WARNING((AE_INFO, "Could not map the FACS table"));

		return_ACPI_STATUS(status);

	}

#endif				/* !ACPI_REDUCED_HARDWARE */



	/*

	 * Install the default op_region handlers. These are installed unless

	 * other handlers have already been installed via the

	 * install_address_space_handler interface.

	 */

	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Installing default address space handlers\n"));



		status = acpi_ev_install_region_handlers();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}

#if (!ACPI_REDUCED_HARDWARE)

	/*

	 * Initialize ACPI Event handling (Fixed and General Purpose)

	 *

	 * Note1: We must have the hardware and events initialized before we can

	 * execute any control methods safely. Any control method can require

	 * ACPI hardware support, so the hardware must be fully initialized before

	 * any method execution!

	 *

	 * Note2: Fixed events are initialized and enabled here. GPEs are

	 * initialized, but cannot be enabled until after the hardware is

	 * completely initialized (SCI and global_lock activated)

	 */

	if (!(flags & ACPI_NO_EVENT_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Initializing ACPI events\n"));



		status = acpi_ev_initialize_events();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Install the SCI handler and Global Lock handler. This completes the

	 * hardware initialization.

	 */

	if (!(flags & ACPI_NO_HANDLER_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Installing SCI/GL handlers\n"));



		status = acpi_ev_install_xrupt_handlers();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}

#endif				/* !ACPI_REDUCED_HARDWARE */



	return_ACPI_STATUS(status);

}



ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)



/*******************************************************************************

 *

 * FUNCTION:    acpi_initialize_objects

 *

 * PARAMETERS:  flags           - Init/enable Options

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Completes namespace initialization by initializing device

 *              objects and executing AML code for Regions, buffers, etc.

 *

 ******************************************************************************/

acpi_status acpi_initialize_objects(u32 flags)

{

	acpi_status status = AE_OK;



	ACPI_FUNCTION_TRACE(acpi_initialize_objects);



	/*

	 * Run all _REG methods

	 *

	 * Note: Any objects accessed by the _REG methods will be automatically

	 * initialized, even if they contain executable AML (see the call to

	 * acpi_ns_initialize_objects below).

	 */

	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Executing _REG OpRegion methods\n"));



		status = acpi_ev_initialize_op_regions();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Execute any module-level code that was detected during the table load

	 * phase. Although illegal since ACPI 2.0, there are many machines that

	 * contain this type of code. Each block of detected executable AML code

	 * outside of any control method is wrapped with a temporary control

	 * method object and placed on a global list. The methods on this list

	 * are executed below.

	 */

	acpi_ns_exec_module_code_list();



	/*

	 * Initialize the objects that remain uninitialized. This runs the

	 * executable AML that may be part of the declaration of these objects:

	 * operation_regions, buffer_fields, Buffers, and Packages.

	 */

	if (!(flags & ACPI_NO_OBJECT_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Completing Initialization of ACPI Objects\n"));



		status = acpi_ns_initialize_objects();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Initialize all device objects in the namespace. This runs the device

	 * _STA and _INI methods.

	 */

	if (!(flags & ACPI_NO_DEVICE_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Initializing ACPI Devices\n"));



		status = acpi_ns_initialize_devices();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Empty the caches (delete the cached objects) on the assumption that

	 * the table load filled them up more than they will be at runtime --

	 * thus wasting non-paged memory.

	 */

	status = acpi_purge_cached_objects();



	acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;

	return_ACPI_STATUS(status);

}



ACPI_EXPORT_SYMBOL(acpi_initialize_objects)



#endif

/*******************************************************************************

 *

 * FUNCTION:    acpi_terminate

drivers/acpi/acpica/utxfinit.c

0 → 100644
+317 −0
Original line number Diff line number Diff line 
/******************************************************************************

 *

 * Module Name: utxfinit - External interfaces for ACPICA initialization

 *

 *****************************************************************************/



/*

 * Copyright (C) 2000 - 2012, 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 <linux/export.h>

#include <acpi/acpi.h>

#include "accommon.h"

#include "acevents.h"

#include "acnamesp.h"

#include "acdebug.h"

#include "actables.h"



#define _COMPONENT          ACPI_UTILITIES

ACPI_MODULE_NAME("utxfinit")



/*******************************************************************************

 *

 * FUNCTION:    acpi_initialize_subsystem

 *

 * PARAMETERS:  None

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Initializes all global variables. This is the first function

 *              called, so any early initialization belongs here.

 *

 ******************************************************************************/

acpi_status acpi_initialize_subsystem(void)

{

	acpi_status status;



	ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);



	acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;

	ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());



	/* Initialize the OS-Dependent layer */



	status = acpi_os_initialize();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));

		return_ACPI_STATUS(status);

	}



	/* Initialize all globals used by the subsystem */



	status = acpi_ut_init_globals();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During initialization of globals"));

		return_ACPI_STATUS(status);

	}



	/* Create the default mutex objects */



	status = acpi_ut_mutex_initialize();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During Global Mutex creation"));

		return_ACPI_STATUS(status);

	}



	/*

	 * Initialize the namespace manager and

	 * the root of the namespace tree

	 */

	status = acpi_ns_root_initialize();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During Namespace initialization"));

		return_ACPI_STATUS(status);

	}



	/* Initialize the global OSI interfaces list with the static names */



	status = acpi_ut_initialize_interfaces();

	if (ACPI_FAILURE(status)) {

		ACPI_EXCEPTION((AE_INFO, status,

				"During OSI interfaces initialization"));

		return_ACPI_STATUS(status);

	}



	/* If configured, initialize the AML debugger */



	ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());

	return_ACPI_STATUS(status);

}

ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem)



/*******************************************************************************

 *

 * FUNCTION:    acpi_enable_subsystem

 *

 * PARAMETERS:  flags               - Init/enable Options

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Completes the subsystem initialization including hardware.

 *              Puts system into ACPI mode if it isn't already.

 *

 ******************************************************************************/

acpi_status acpi_enable_subsystem(u32 flags)

{

	acpi_status status = AE_OK;



	ACPI_FUNCTION_TRACE(acpi_enable_subsystem);



#if (!ACPI_REDUCED_HARDWARE)



	/* Enable ACPI mode */



	if (!(flags & ACPI_NO_ACPI_ENABLE)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Going into ACPI mode\n"));



		acpi_gbl_original_mode = acpi_hw_get_mode();



		status = acpi_enable();

		if (ACPI_FAILURE(status)) {

			ACPI_WARNING((AE_INFO, "AcpiEnable failed"));

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Obtain a permanent mapping for the FACS. This is required for the

	 * Global Lock and the Firmware Waking Vector

	 */

	status = acpi_tb_initialize_facs();

	if (ACPI_FAILURE(status)) {

		ACPI_WARNING((AE_INFO, "Could not map the FACS table"));

		return_ACPI_STATUS(status);

	}

#endif				/* !ACPI_REDUCED_HARDWARE */



	/*

	 * Install the default op_region handlers. These are installed unless

	 * other handlers have already been installed via the

	 * install_address_space_handler interface.

	 */

	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Installing default address space handlers\n"));



		status = acpi_ev_install_region_handlers();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}

#if (!ACPI_REDUCED_HARDWARE)

	/*

	 * Initialize ACPI Event handling (Fixed and General Purpose)

	 *

	 * Note1: We must have the hardware and events initialized before we can

	 * execute any control methods safely. Any control method can require

	 * ACPI hardware support, so the hardware must be fully initialized before

	 * any method execution!

	 *

	 * Note2: Fixed events are initialized and enabled here. GPEs are

	 * initialized, but cannot be enabled until after the hardware is

	 * completely initialized (SCI and global_lock activated) and the various

	 * initialization control methods are run (_REG, _STA, _INI) on the

	 * entire namespace.

	 */

	if (!(flags & ACPI_NO_EVENT_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Initializing ACPI events\n"));



		status = acpi_ev_initialize_events();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Install the SCI handler and Global Lock handler. This completes the

	 * hardware initialization.

	 */

	if (!(flags & ACPI_NO_HANDLER_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Installing SCI/GL handlers\n"));



		status = acpi_ev_install_xrupt_handlers();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}

#endif				/* !ACPI_REDUCED_HARDWARE */



	return_ACPI_STATUS(status);

}

ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)



/*******************************************************************************

 *

 * FUNCTION:    acpi_initialize_objects

 *

 * PARAMETERS:  flags               - Init/enable Options

 *

 * RETURN:      Status

 *

 * DESCRIPTION: Completes namespace initialization by initializing device

 *              objects and executing AML code for Regions, buffers, etc.

 *

 ******************************************************************************/

acpi_status acpi_initialize_objects(u32 flags)

{

	acpi_status status = AE_OK;



	ACPI_FUNCTION_TRACE(acpi_initialize_objects);



	/*

	 * Run all _REG methods

	 *

	 * Note: Any objects accessed by the _REG methods will be automatically

	 * initialized, even if they contain executable AML (see the call to

	 * acpi_ns_initialize_objects below).

	 */

	if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Executing _REG OpRegion methods\n"));



		status = acpi_ev_initialize_op_regions();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Execute any module-level code that was detected during the table load

	 * phase. Although illegal since ACPI 2.0, there are many machines that

	 * contain this type of code. Each block of detected executable AML code

	 * outside of any control method is wrapped with a temporary control

	 * method object and placed on a global list. The methods on this list

	 * are executed below.

	 */

	acpi_ns_exec_module_code_list();



	/*

	 * Initialize the objects that remain uninitialized. This runs the

	 * executable AML that may be part of the declaration of these objects:

	 * operation_regions, buffer_fields, Buffers, and Packages.

	 */

	if (!(flags & ACPI_NO_OBJECT_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Completing Initialization of ACPI Objects\n"));



		status = acpi_ns_initialize_objects();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Initialize all device objects in the namespace. This runs the device

	 * _STA and _INI methods.

	 */

	if (!(flags & ACPI_NO_DEVICE_INIT)) {

		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,

				  "[Init] Initializing ACPI Devices\n"));



		status = acpi_ns_initialize_devices();

		if (ACPI_FAILURE(status)) {

			return_ACPI_STATUS(status);

		}

	}



	/*

	 * Empty the caches (delete the cached objects) on the assumption that

	 * the table load filled them up more than they will be at runtime --

	 * thus wasting non-paged memory.

	 */

	status = acpi_purge_cached_objects();



	acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;

	return_ACPI_STATUS(status);

}

ACPI_EXPORT_SYMBOL(acpi_initialize_objects)