X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Facpi%2Futilities%2Futxface.c;h=3538f69c82a1cac6de72067d5659cdfaaaa00fa1;hb=refs%2Fheads%2Fvserver;hp=45c14f9ef31d341297640e29a93b055bb9eba649;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c index 45c14f9ef..3538f69c8 100644 --- a/drivers/acpi/utilities/utxface.c +++ b/drivers/acpi/utilities/utxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2004, R. Byron Moore + * Copyright (C) 2000 - 2006, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -41,17 +41,13 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include #include #include -#include -#include #include #define _COMPONENT ACPI_UTILITIES - ACPI_MODULE_NAME ("utxface") - +ACPI_MODULE_NAME("utxface") /******************************************************************************* * @@ -65,61 +61,53 @@ * called, so any early initialization belongs here. * ******************************************************************************/ - -acpi_status -acpi_initialize_subsystem ( - void) +acpi_status acpi_initialize_subsystem(void) { - acpi_status status; + acpi_status status; - ACPI_FUNCTION_TRACE ("acpi_initialize_subsystem"); + ACPI_FUNCTION_TRACE(acpi_initialize_subsystem); + ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace()); - 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 */ - acpi_ut_init_globals (); - - /* Initialize the OS-Dependent layer */ - - status = acpi_os_initialize (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("OSD failed to initialize, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); - } + acpi_ut_init_globals(); /* Create the default mutex objects */ - status = acpi_ut_mutex_initialize (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Global mutex creation failure, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + 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_REPORT_ERROR (("Namespace initialization failure, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + status = acpi_ns_root_initialize(); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "During Namespace initialization")); + return_ACPI_STATUS(status); } - /* If configured, initialize the AML debugger */ - ACPI_DEBUGGER_EXEC (status = acpi_db_initialize ()); - - return_ACPI_STATUS (status); + ACPI_DEBUGGER_EXEC(status = acpi_db_initialize()); + return_ACPI_STATUS(status); } +ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem) /******************************************************************************* * @@ -133,41 +121,38 @@ acpi_initialize_subsystem ( * Puts system into ACPI mode if it isn't already. * ******************************************************************************/ - -acpi_status -acpi_enable_subsystem ( - u32 flags) +acpi_status acpi_enable_subsystem(u32 flags) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_enable_subsystem"); + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE(acpi_enable_subsystem); /* * We must initialize the hardware before we can enable ACPI. * The values from the FADT are validated here. */ if (!(flags & ACPI_NO_HARDWARE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI hardware\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI hardware\n")); - status = acpi_hw_initialize (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_hw_initialize(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Enable ACPI mode */ if (!(flags & ACPI_NO_ACPI_ENABLE)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n")); + 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_DEBUG_PRINT ((ACPI_DB_WARN, "acpi_enable failed.\n")); - return_ACPI_STATUS (status); + status = acpi_enable(); + if (ACPI_FAILURE(status)) { + ACPI_WARNING((AE_INFO, "AcpiEnable failed")); + return_ACPI_STATUS(status); } } @@ -177,44 +162,74 @@ acpi_enable_subsystem ( * 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")); + 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); + status = acpi_ev_install_region_handlers(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* * Initialize ACPI Event handling (Fixed and General Purpose) * - * NOTE: 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 initialized before execution! + * 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")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI events\n")); - status = acpi_ev_initialize_events (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ev_initialize_events(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } - /* Install the SCI handler and Global Lock handler */ - + /* + * 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")); + 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); + status = acpi_ev_install_xrupt_handlers(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } - return_ACPI_STATUS (status); + /* + * Complete the GPE initialization for the GPE blocks defined in the FADT + * (GPE block 0 and 1). + * + * Note1: This is where the _PRW methods are executed for the GPEs. These + * methods can only be executed after the SCI and Global Lock handlers are + * installed and initialized. + * + * Note2: Currently, there seems to be no need to run the _REG methods + * before execution of the _PRW methods and enabling of the GPEs. + */ + if (!(flags & ACPI_NO_EVENT_INIT)) { + status = acpi_ev_install_fadt_gpes(); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + return_ACPI_STATUS(status); } +ACPI_EXPORT_SYMBOL(acpi_enable_subsystem) + /******************************************************************************* * * FUNCTION: acpi_initialize_objects @@ -227,57 +242,55 @@ acpi_enable_subsystem ( * objects and executing AML code for Regions, buffers, etc. * ******************************************************************************/ - -acpi_status -acpi_initialize_objects ( - u32 flags) +acpi_status acpi_initialize_objects(u32 flags) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_initialize_objects"); + 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 call to acpi_ns_initialize_objects below). + * 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 op_region methods\n")); + 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); + status = acpi_ev_initialize_op_regions(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* - * 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. + * 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")); + 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); + status = acpi_ns_initialize_objects(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* - * Initialize all device objects in the namespace - * This runs the _STA and _INI methods. + * 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")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI Devices\n")); - status = acpi_ns_initialize_devices (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ns_initialize_devices(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } @@ -286,12 +299,13 @@ acpi_initialize_objects ( * the table load filled them up more than they will be at runtime -- * thus wasting non-paged memory. */ - status = acpi_purge_cached_objects (); + status = acpi_purge_cached_objects(); acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK; - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } +ACPI_EXPORT_SYMBOL(acpi_initialize_objects) /******************************************************************************* * @@ -304,15 +318,11 @@ acpi_initialize_objects ( * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources. * ******************************************************************************/ - -acpi_status -acpi_terminate (void) +acpi_status acpi_terminate(void) { - acpi_status status; - - - ACPI_FUNCTION_TRACE ("acpi_terminate"); + acpi_status status; + ACPI_FUNCTION_TRACE(acpi_terminate); /* Terminate the AML Debugger if present */ @@ -320,29 +330,29 @@ acpi_terminate (void) /* Shutdown and free all resources */ - acpi_ut_subsystem_shutdown (); - + acpi_ut_subsystem_shutdown(); /* Free the mutex objects */ - acpi_ut_mutex_terminate (); - + acpi_ut_mutex_terminate(); #ifdef ACPI_DEBUGGER /* Shut down the debugger */ - acpi_db_terminate (); + acpi_db_terminate(); #endif /* Now we can shutdown the OS-dependent layer */ - status = acpi_os_terminate (); - return_ACPI_STATUS (status); + status = acpi_os_terminate(); + return_ACPI_STATUS(status); } +ACPI_EXPORT_SYMBOL(acpi_terminate) -/***************************************************************************** +#ifdef ACPI_FUTURE_USAGE +/******************************************************************************* * * FUNCTION: acpi_subsystem_status * @@ -351,30 +361,28 @@ acpi_terminate (void) * RETURN: Status of the ACPI subsystem * * DESCRIPTION: Other drivers that use the ACPI subsystem should call this - * before making any other calls, to ensure the subsystem initial- - * ized successfully. + * before making any other calls, to ensure the subsystem + * initialized successfully. * - ****************************************************************************/ - -acpi_status -acpi_subsystem_status (void) + ******************************************************************************/ +acpi_status acpi_subsystem_status(void) { + if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) { return (AE_OK); - } - else { + } else { return (AE_ERROR); } } +ACPI_EXPORT_SYMBOL(acpi_subsystem_status) -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_get_system_info * - * PARAMETERS: out_buffer - a pointer to a buffer to receive the - * resources for the device - * buffer_length - the number of bytes available in the buffer + * PARAMETERS: out_buffer - A buffer to receive the resources for the + * device * * RETURN: Status - the status of the call * @@ -386,82 +394,79 @@ acpi_subsystem_status (void) * and the value of out_buffer is undefined. * ******************************************************************************/ - -acpi_status -acpi_get_system_info ( - struct acpi_buffer *out_buffer) +acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) { - struct acpi_system_info *info_ptr; - u32 i; - acpi_status status; - - - ACPI_FUNCTION_TRACE ("acpi_get_system_info"); + struct acpi_system_info *info_ptr; + acpi_status status; + u32 i; + ACPI_FUNCTION_TRACE(acpi_get_system_info); /* Parameter validation */ - status = acpi_ut_validate_buffer (out_buffer); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_validate_buffer(out_buffer); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Validate/Allocate/Clear caller buffer */ - status = acpi_ut_initialize_buffer (out_buffer, sizeof (struct acpi_system_info)); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + acpi_ut_initialize_buffer(out_buffer, + sizeof(struct acpi_system_info)); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* * Populate the return buffer */ - info_ptr = (struct acpi_system_info *) out_buffer->pointer; + info_ptr = (struct acpi_system_info *)out_buffer->pointer; - info_ptr->acpi_ca_version = ACPI_CA_VERSION; + info_ptr->acpi_ca_version = ACPI_CA_VERSION; /* System flags (ACPI capabilities) */ - info_ptr->flags = ACPI_SYS_MODE_ACPI; + info_ptr->flags = ACPI_SYS_MODE_ACPI; /* Timer resolution - 24 or 32 bits */ if (!acpi_gbl_FADT) { info_ptr->timer_resolution = 0; - } - else if (acpi_gbl_FADT->tmr_val_ext == 0) { + } else if (acpi_gbl_FADT->tmr_val_ext == 0) { info_ptr->timer_resolution = 24; - } - else { + } else { info_ptr->timer_resolution = 32; } /* Clear the reserved fields */ - info_ptr->reserved1 = 0; - info_ptr->reserved2 = 0; + info_ptr->reserved1 = 0; + info_ptr->reserved2 = 0; /* Current debug levels */ - info_ptr->debug_layer = acpi_dbg_layer; - info_ptr->debug_level = acpi_dbg_level; + info_ptr->debug_layer = acpi_dbg_layer; + info_ptr->debug_level = acpi_dbg_level; /* Current status of the ACPI tables, per table type */ - info_ptr->num_table_types = NUM_ACPI_TABLE_TYPES; - for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { + info_ptr->num_table_types = ACPI_TABLE_ID_MAX + 1; + for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) { info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count; } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } +ACPI_EXPORT_SYMBOL(acpi_get_system_info) /***************************************************************************** * * FUNCTION: acpi_install_initialization_handler * * PARAMETERS: Handler - Callback procedure + * Function - Not (currently) used, see below * * RETURN: Status * @@ -470,11 +475,8 @@ acpi_get_system_info ( * TBD: When a second function is added, must save the Function also. * ****************************************************************************/ - acpi_status -acpi_install_initialization_handler ( - acpi_init_handler handler, - u32 function) +acpi_install_initialization_handler(acpi_init_handler handler, u32 function) { if (!handler) { @@ -489,6 +491,8 @@ acpi_install_initialization_handler ( return AE_OK; } +ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler) +#endif /* ACPI_FUTURE_USAGE */ /***************************************************************************** * @@ -501,17 +505,15 @@ acpi_install_initialization_handler ( * DESCRIPTION: Empty all caches (delete the cached objects) * ****************************************************************************/ - -acpi_status -acpi_purge_cached_objects (void) +acpi_status acpi_purge_cached_objects(void) { - ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects"); + ACPI_FUNCTION_TRACE(acpi_purge_cached_objects); - - acpi_ut_delete_generic_state_cache (); - acpi_ut_delete_object_cache (); - acpi_ds_delete_walk_state_cache (); - acpi_ps_delete_parse_cache (); - - return_ACPI_STATUS (AE_OK); + (void)acpi_os_purge_cache(acpi_gbl_state_cache); + (void)acpi_os_purge_cache(acpi_gbl_operand_cache); + (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache); + (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache); + return_ACPI_STATUS(AE_OK); } + +ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects)