| /****************************************************************************** |
| * |
| * Module Name: utglobal - Global variables for the ACPI subsystem |
| * |
| *****************************************************************************/ |
| |
| /* |
| * 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. |
| */ |
| |
| #define DEFINE_ACPI_GLOBALS |
| |
| #include <linux/module.h> |
| #include <acpi/acpi.h> |
| #include <acpi/acnamesp.h> |
| |
| #define _COMPONENT ACPI_UTILITIES |
| ACPI_MODULE_NAME ("utglobal") |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_format_exception |
| * |
| * PARAMETERS: Status - The acpi_status code to be formatted |
| * |
| * RETURN: A string containing the exception text. A valid pointer is |
| * always returned. |
| * |
| * DESCRIPTION: This function translates an ACPI exception into an ASCII string. |
| * |
| ******************************************************************************/ |
| |
| const char * |
| acpi_format_exception ( |
| acpi_status status) |
| { |
| acpi_status sub_status; |
| const char *exception = NULL; |
| |
| |
| ACPI_FUNCTION_NAME ("format_exception"); |
| |
| |
| sub_status = (status & ~AE_CODE_MASK); |
| |
| switch (status & AE_CODE_MASK) { |
| case AE_CODE_ENVIRONMENTAL: |
| |
| if (sub_status <= AE_CODE_ENV_MAX) { |
| exception = acpi_gbl_exception_names_env [sub_status]; |
| } |
| break; |
| |
| case AE_CODE_PROGRAMMER: |
| |
| if (sub_status <= AE_CODE_PGM_MAX) { |
| exception = acpi_gbl_exception_names_pgm [sub_status -1]; |
| } |
| break; |
| |
| case AE_CODE_ACPI_TABLES: |
| |
| if (sub_status <= AE_CODE_TBL_MAX) { |
| exception = acpi_gbl_exception_names_tbl [sub_status -1]; |
| } |
| break; |
| |
| case AE_CODE_AML: |
| |
| if (sub_status <= AE_CODE_AML_MAX) { |
| exception = acpi_gbl_exception_names_aml [sub_status -1]; |
| } |
| break; |
| |
| case AE_CODE_CONTROL: |
| |
| if (sub_status <= AE_CODE_CTRL_MAX) { |
| exception = acpi_gbl_exception_names_ctrl [sub_status -1]; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (!exception) { |
| /* Exception code was not recognized */ |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, |
| "Unknown exception code: 0x%8.8X\n", status)); |
| |
| return ((const char *) "UNKNOWN_STATUS_CODE"); |
| } |
| |
| return ((const char *) exception); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * Static global variable initialization. |
| * |
| ******************************************************************************/ |
| |
| /* |
| * We want the debug switches statically initialized so they |
| * are already set when the debugger is entered. |
| */ |
| |
| /* Debug switch - level and trace mask */ |
| u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; |
| EXPORT_SYMBOL(acpi_dbg_level); |
| |
| /* Debug switch - layer (component) mask */ |
| |
| u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; |
| EXPORT_SYMBOL(acpi_dbg_layer); |
| u32 acpi_gbl_nesting_level = 0; |
| |
| |
| /* Debugger globals */ |
| |
| u8 acpi_gbl_db_terminate_threads = FALSE; |
| u8 acpi_gbl_abort_method = FALSE; |
| u8 acpi_gbl_method_executing = FALSE; |
| |
| /* System flags */ |
| |
| u32 acpi_gbl_startup_flags = 0; |
| |
| /* System starts uninitialized */ |
| |
| u8 acpi_gbl_shutdown = TRUE; |
| |
| const u8 acpi_gbl_decode_to8bit [8] = {1,2,4,8,16,32,64,128}; |
| |
| const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = |
| { |
| "\\_S0_", |
| "\\_S1_", |
| "\\_S2_", |
| "\\_S3_", |
| "\\_S4_", |
| "\\_S5_" |
| }; |
| |
| const char *acpi_gbl_highest_dstate_names[4] = |
| { |
| "_S1D", |
| "_S2D", |
| "_S3D", |
| "_S4D" |
| }; |
| |
| /* |
| * Strings supported by the _OSI predefined (internal) method. |
| * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS. |
| */ |
| const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = |
| { |
| /* Operating System Vendor Strings */ |
| |
| "Linux", |
| "Windows 2000", |
| "Windows 2001", |
| "Windows 2001.1", |
| "Windows 2001 SP0", |
| "Windows 2001 SP1", |
| "Windows 2001 SP2", |
| "Windows 2001 SP3", |
| "Windows 2001 SP4", |
| |
| /* Feature Group Strings */ |
| |
| "Extended Address Space Descriptor" |
| }; |
| |
| |
| /******************************************************************************* |
| * |
| * Namespace globals |
| * |
| ******************************************************************************/ |
| |
| /* |
| * Predefined ACPI Names (Built-in to the Interpreter) |
| * |
| * NOTES: |
| * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run |
| * during the initialization sequence. |
| * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to |
| * perform a Notify() operation on it. |
| */ |
| const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = |
| { {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, |
| {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, |
| {"_SB_", ACPI_TYPE_DEVICE, NULL}, |
| {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, |
| {"_TZ_", ACPI_TYPE_THERMAL, NULL}, |
| {"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL}, |
| {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, |
| {"_GL_", ACPI_TYPE_MUTEX, (char *) 1}, |
| |
| #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) |
| {"_OSI", ACPI_TYPE_METHOD, (char *) 1}, |
| #endif |
| |
| /* Table terminator */ |
| |
| {NULL, ACPI_TYPE_ANY, NULL} |
| }; |
| |
| /* |
| * Properties of the ACPI Object Types, both internal and external. |
| * The table is indexed by values of acpi_object_type |
| */ |
| const u8 acpi_gbl_ns_properties[] = |
| { |
| ACPI_NS_NORMAL, /* 00 Any */ |
| ACPI_NS_NORMAL, /* 01 Number */ |
| ACPI_NS_NORMAL, /* 02 String */ |
| ACPI_NS_NORMAL, /* 03 Buffer */ |
| ACPI_NS_NORMAL, /* 04 Package */ |
| ACPI_NS_NORMAL, /* 05 field_unit */ |
| ACPI_NS_NEWSCOPE, /* 06 Device */ |
| ACPI_NS_NORMAL, /* 07 Event */ |
| ACPI_NS_NEWSCOPE, /* 08 Method */ |
| ACPI_NS_NORMAL, /* 09 Mutex */ |
| ACPI_NS_NORMAL, /* 10 Region */ |
| ACPI_NS_NEWSCOPE, /* 11 Power */ |
| ACPI_NS_NEWSCOPE, /* 12 Processor */ |
| ACPI_NS_NEWSCOPE, /* 13 Thermal */ |
| ACPI_NS_NORMAL, /* 14 buffer_field */ |
| ACPI_NS_NORMAL, /* 15 ddb_handle */ |
| ACPI_NS_NORMAL, /* 16 Debug Object */ |
| ACPI_NS_NORMAL, /* 17 def_field */ |
| ACPI_NS_NORMAL, /* 18 bank_field */ |
| ACPI_NS_NORMAL, /* 19 index_field */ |
| ACPI_NS_NORMAL, /* 20 Reference */ |
| ACPI_NS_NORMAL, /* 21 Alias */ |
| ACPI_NS_NORMAL, /* 22 method_alias */ |
| ACPI_NS_NORMAL, /* 23 Notify */ |
| ACPI_NS_NORMAL, /* 24 Address Handler */ |
| ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ |
| ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ |
| ACPI_NS_NEWSCOPE, /* 27 Scope */ |
| ACPI_NS_NORMAL, /* 28 Extra */ |
| ACPI_NS_NORMAL, /* 29 Data */ |
| ACPI_NS_NORMAL /* 30 Invalid */ |
| }; |
| |
| |
| /* Hex to ASCII conversion table */ |
| |
| static const char acpi_gbl_hex_to_ascii[] = |
| { |
| '0','1','2','3','4','5','6','7', |
| '8','9','A','B','C','D','E','F' |
| }; |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_hex_to_ascii_char |
| * |
| * PARAMETERS: Integer - Contains the hex digit |
| * Position - bit position of the digit within the |
| * integer (multiple of 4) |
| * |
| * RETURN: The converted Ascii character |
| * |
| * DESCRIPTION: Convert a hex digit to an Ascii character |
| * |
| ******************************************************************************/ |
| |
| char |
| acpi_ut_hex_to_ascii_char ( |
| acpi_integer integer, |
| u32 position) |
| { |
| |
| return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * Table name globals |
| * |
| * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. |
| * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables |
| * that are not used by the subsystem are simply ignored. |
| * |
| * Do NOT add any table to this list that is not consumed directly by this |
| * subsystem (No MADT, ECDT, SBST, etc.) |
| * |
| ******************************************************************************/ |
| |
| struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; |
| |
| struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = |
| { |
| /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ |
| |
| /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof (RSDP_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}, |
| /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *) &acpi_gbl_DSDT, sizeof (DSDT_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE | ACPI_TABLE_EXECUTABLE}, |
| /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *) &acpi_gbl_FADT, sizeof (FADT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE}, |
| /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *) &acpi_gbl_FACS, sizeof (FACS_SIG)-1, ACPI_TABLE_SECONDARY| ACPI_TABLE_SINGLE}, |
| /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof (PSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE}, |
| /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof (SSDT_SIG)-1, ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | ACPI_TABLE_EXECUTABLE}, |
| /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof (RSDT_SIG)-1, ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE}, |
| }; |
| |
| |
| /****************************************************************************** |
| * |
| * Event and Hardware globals |
| * |
| ******************************************************************************/ |
| |
| struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = |
| { |
| /* Name Parent Register Register Bit Position Register Bit Mask */ |
| |
| /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS}, |
| /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS}, |
| /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS}, |
| /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS}, |
| /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS}, |
| /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS}, |
| /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS}, |
| /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS}, |
| |
| /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE}, |
| /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, |
| /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE}, |
| /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, |
| /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE}, |
| /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, |
| /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, |
| |
| /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE}, |
| /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD}, |
| /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, |
| /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X}, |
| /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE_X, ACPI_BITMASK_SLEEP_TYPE_X}, |
| /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE}, |
| |
| /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE} |
| }; |
| |
| |
| struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = |
| { |
| /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE}, |
| /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, |
| /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE}, |
| /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, |
| /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, |
| }; |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_get_region_name |
| * |
| * PARAMETERS: None. |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Translate a Space ID into a name string (Debug only) |
| * |
| ******************************************************************************/ |
| |
| /* Region type decoding */ |
| |
| const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = |
| { |
| /*! [Begin] no source code translation (keep these ASL Keywords as-is) */ |
| "SystemMemory", |
| "SystemIO", |
| "PCI_Config", |
| "EmbeddedControl", |
| "SMBus", |
| "CMOS", |
| "PCIBARTarget", |
| "DataTable" |
| /*! [End] no source code translation !*/ |
| }; |
| |
| |
| char * |
| acpi_ut_get_region_name ( |
| u8 space_id) |
| { |
| |
| if (space_id >= ACPI_USER_REGION_BEGIN) |
| { |
| return ("user_defined_region"); |
| } |
| else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) |
| { |
| return ("invalid_space_id"); |
| } |
| |
| return ((char *) acpi_gbl_region_types[space_id]); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_get_event_name |
| * |
| * PARAMETERS: None. |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Translate a Event ID into a name string (Debug only) |
| * |
| ******************************************************************************/ |
| |
| /* Event type decoding */ |
| |
| static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = |
| { |
| "PM_Timer", |
| "global_lock", |
| "power_button", |
| "sleep_button", |
| "real_time_clock", |
| }; |
| |
| |
| char * |
| acpi_ut_get_event_name ( |
| u32 event_id) |
| { |
| |
| if (event_id > ACPI_EVENT_MAX) |
| { |
| return ("invalid_event_iD"); |
| } |
| |
| return ((char *) acpi_gbl_event_types[event_id]); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_get_type_name |
| * |
| * PARAMETERS: None. |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Translate a Type ID into a name string (Debug only) |
| * |
| ******************************************************************************/ |
| |
| /* |
| * Elements of acpi_gbl_ns_type_names below must match |
| * one-to-one with values of acpi_object_type |
| * |
| * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; |
| * when stored in a table it really means that we have thus far seen no |
| * evidence to indicate what type is actually going to be stored for this entry. |
| */ |
| static const char acpi_gbl_bad_type[] = "UNDEFINED"; |
| |
| /* Printable names of the ACPI object types */ |
| |
| static const char *acpi_gbl_ns_type_names[] = |
| { |
| /* 00 */ "Untyped", |
| /* 01 */ "Integer", |
| /* 02 */ "String", |
| /* 03 */ "Buffer", |
| /* 04 */ "Package", |
| /* 05 */ "field_unit", |
| /* 06 */ "Device", |
| /* 07 */ "Event", |
| /* 08 */ "Method", |
| /* 09 */ "Mutex", |
| /* 10 */ "Region", |
| /* 11 */ "Power", |
| /* 12 */ "Processor", |
| /* 13 */ "Thermal", |
| /* 14 */ "buffer_field", |
| /* 15 */ "ddb_handle", |
| /* 16 */ "debug_object", |
| /* 17 */ "region_field", |
| /* 18 */ "bank_field", |
| /* 19 */ "index_field", |
| /* 20 */ "Reference", |
| /* 21 */ "Alias", |
| /* 22 */ "method_alias", |
| /* 23 */ "Notify", |
| /* 24 */ "addr_handler", |
| /* 25 */ "resource_desc", |
| /* 26 */ "resource_fld", |
| /* 27 */ "Scope", |
| /* 28 */ "Extra", |
| /* 29 */ "Data", |
| /* 30 */ "Invalid" |
| }; |
| |
| |
| char * |
| acpi_ut_get_type_name ( |
| acpi_object_type type) |
| { |
| |
| if (type > ACPI_TYPE_INVALID) |
| { |
| return ((char *) acpi_gbl_bad_type); |
| } |
| |
| return ((char *) acpi_gbl_ns_type_names[type]); |
| } |
| |
| |
| char * |
| acpi_ut_get_object_type_name ( |
| union acpi_operand_object *obj_desc) |
| { |
| |
| if (!obj_desc) |
| { |
| return ("[NULL Object Descriptor]"); |
| } |
| |
| return (acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc))); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_get_node_name |
| * |
| * PARAMETERS: Object - A namespace node |
| * |
| * RETURN: Pointer to a string |
| * |
| * DESCRIPTION: Validate the node and return the node's ACPI name. |
| * |
| ******************************************************************************/ |
| |
| char * |
| acpi_ut_get_node_name ( |
| void *object) |
| { |
| struct acpi_namespace_node *node = (struct acpi_namespace_node *) object; |
| |
| |
| /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ |
| |
| if (!object) |
| { |
| return ("NULL"); |
| } |
| |
| /* Check for Root node */ |
| |
| if ((object == ACPI_ROOT_OBJECT) || |
| (object == acpi_gbl_root_node)) |
| { |
| return ("\"\\\" "); |
| } |
| |
| /* Descriptor must be a namespace node */ |
| |
| if (node->descriptor != ACPI_DESC_TYPE_NAMED) |
| { |
| return ("####"); |
| } |
| |
| /* Name must be a valid ACPI name */ |
| |
| if (!acpi_ut_valid_acpi_name (* (u32 *) node->name.ascii)) |
| { |
| return ("????"); |
| } |
| |
| /* Return the name */ |
| |
| return (node->name.ascii); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_get_descriptor_name |
| * |
| * PARAMETERS: Object - An ACPI object |
| * |
| * RETURN: Pointer to a string |
| * |
| * DESCRIPTION: Validate object and return the descriptor type |
| * |
| ******************************************************************************/ |
| |
| /* Printable names of object descriptor types */ |
| |
| static const char *acpi_gbl_desc_type_names[] = |
| { |
| /* 00 */ "Invalid", |
| /* 01 */ "Cached", |
| /* 02 */ "State-Generic", |
| /* 03 */ "State-Update", |
| /* 04 */ "State-Package", |
| /* 05 */ "State-Control", |
| /* 06 */ "State-root_parse_scope", |
| /* 07 */ "State-parse_scope", |
| /* 08 */ "State-walk_scope", |
| /* 09 */ "State-Result", |
| /* 10 */ "State-Notify", |
| /* 11 */ "State-Thread", |
| /* 12 */ "Walk", |
| /* 13 */ "Parser", |
| /* 14 */ "Operand", |
| /* 15 */ "Node" |
| }; |
| |
| |
| char * |
| acpi_ut_get_descriptor_name ( |
| void *object) |
| { |
| |
| if (!object) |
| { |
| return ("NULL OBJECT"); |
| } |
| |
| if (ACPI_GET_DESCRIPTOR_TYPE (object) > ACPI_DESC_TYPE_MAX) |
| { |
| return ((char *) acpi_gbl_bad_type); |
| } |
| |
| return ((char *) acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE (object)]); |
| |
| } |
| |
| |
| #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
| /* |
| * Strings and procedures used for debug only |
| */ |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_get_mutex_name |
| * |
| * PARAMETERS: mutex_id - The predefined ID for this mutex. |
| * |
| * RETURN: String containing the name of the mutex. Always returns a valid |
| * pointer. |
| * |
| * DESCRIPTION: Translate a mutex ID into a name string (Debug only) |
| * |
| ******************************************************************************/ |
| |
| char * |
| acpi_ut_get_mutex_name ( |
| u32 mutex_id) |
| { |
| |
| if (mutex_id > MAX_MUTEX) |
| { |
| return ("Invalid Mutex ID"); |
| } |
| |
| return (acpi_gbl_mutex_names[mutex_id]); |
| } |
| #endif |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_valid_object_type |
| * |
| * PARAMETERS: Type - Object type to be validated |
| * |
| * RETURN: TRUE if valid object type, FALSE otherwise |
| * |
| * DESCRIPTION: Validate an object type |
| * |
| ******************************************************************************/ |
| |
| u8 |
| acpi_ut_valid_object_type ( |
| acpi_object_type type) |
| { |
| |
| if (type > ACPI_TYPE_LOCAL_MAX) |
| { |
| /* Note: Assumes all TYPEs are contiguous (external/local) */ |
| |
| return (FALSE); |
| } |
| |
| return (TRUE); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_allocate_owner_id |
| * |
| * PARAMETERS: id_type - Type of ID (method or table) |
| * |
| * DESCRIPTION: Allocate a table or method owner id |
| * |
| * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and |
| * should be revisited (TBD) |
| * |
| ******************************************************************************/ |
| |
| acpi_owner_id |
| acpi_ut_allocate_owner_id ( |
| u32 id_type) |
| { |
| acpi_owner_id owner_id = 0xFFFF; |
| |
| |
| ACPI_FUNCTION_TRACE ("ut_allocate_owner_id"); |
| |
| |
| if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) |
| { |
| return (0); |
| } |
| |
| switch (id_type) |
| { |
| case ACPI_OWNER_TYPE_TABLE: |
| |
| owner_id = acpi_gbl_next_table_owner_id; |
| acpi_gbl_next_table_owner_id++; |
| |
| /* Check for wraparound */ |
| |
| if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID) |
| { |
| acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID; |
| ACPI_REPORT_WARNING (("Table owner ID wraparound\n")); |
| } |
| break; |
| |
| |
| case ACPI_OWNER_TYPE_METHOD: |
| |
| owner_id = acpi_gbl_next_method_owner_id; |
| acpi_gbl_next_method_owner_id++; |
| |
| if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID) |
| { |
| /* Check for wraparound */ |
| |
| acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| (void) acpi_ut_release_mutex (ACPI_MTX_CACHES); |
| return_VALUE (owner_id); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ut_init_globals |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Init library globals. All globals that require specific |
| * initialization should be initialized here! |
| * |
| ******************************************************************************/ |
| |
| void |
| acpi_ut_init_globals ( |
| void) |
| { |
| u32 i; |
| |
| |
| ACPI_FUNCTION_TRACE ("ut_init_globals"); |
| |
| |
| /* Memory allocation and cache lists */ |
| |
| ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS); |
| |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL); |
| |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size = sizeof (struct acpi_namespace_node); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size = sizeof (union acpi_generic_state); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size = sizeof (struct acpi_parse_obj_common); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size = sizeof (union acpi_operand_object); |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size = sizeof (struct acpi_walk_state); |
| |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth = ACPI_MAX_STATE_CACHE_DEPTH; |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH; |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH; |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH; |
| acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth = ACPI_MAX_WALK_CACHE_DEPTH; |
| |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name = "Global Memory Allocation"); |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name = "Namespace Nodes"); |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name = "State Object Cache"); |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name = "Parse Node Cache"); |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache"); |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name = "Operand Object Cache"); |
| ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name = "Tree Walk Node Cache"); |
| |
| /* ACPI table structure */ |
| |
| for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) |
| { |
| acpi_gbl_table_lists[i].next = NULL; |
| acpi_gbl_table_lists[i].count = 0; |
| } |
| |
| /* Mutex locked flags */ |
| |
| for (i = 0; i < NUM_MUTEX; i++) |
| { |
| acpi_gbl_mutex_info[i].mutex = NULL; |
| acpi_gbl_mutex_info[i].owner_id = ACPI_MUTEX_NOT_ACQUIRED; |
| acpi_gbl_mutex_info[i].use_count = 0; |
| } |
| |
| /* GPE support */ |
| |
| acpi_gbl_gpe_xrupt_list_head = NULL; |
| acpi_gbl_gpe_fadt_blocks[0] = NULL; |
| acpi_gbl_gpe_fadt_blocks[1] = NULL; |
| |
| /* Global notify handlers */ |
| |
| acpi_gbl_system_notify.handler = NULL; |
| acpi_gbl_device_notify.handler = NULL; |
| acpi_gbl_exception_handler = NULL; |
| acpi_gbl_init_handler = NULL; |
| |
| /* Global "typed" ACPI table pointers */ |
| |
| acpi_gbl_RSDP = NULL; |
| acpi_gbl_XSDT = NULL; |
| acpi_gbl_FACS = NULL; |
| acpi_gbl_FADT = NULL; |
| acpi_gbl_DSDT = NULL; |
| |
| /* Global Lock support */ |
| |
| acpi_gbl_global_lock_acquired = FALSE; |
| acpi_gbl_global_lock_thread_count = 0; |
| acpi_gbl_global_lock_handle = 0; |
| |
| /* Miscellaneous variables */ |
| |
| acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; |
| acpi_gbl_rsdp_original_location = 0; |
| acpi_gbl_cm_single_step = FALSE; |
| acpi_gbl_db_terminate_threads = FALSE; |
| acpi_gbl_shutdown = FALSE; |
| acpi_gbl_ns_lookup_count = 0; |
| acpi_gbl_ps_find_count = 0; |
| acpi_gbl_acpi_hardware_present = TRUE; |
| acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID; |
| acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID; |
| acpi_gbl_debugger_configuration = DEBUGGER_THREADING; |
| acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; |
| |
| /* Hardware oriented */ |
| |
| acpi_gbl_events_initialized = FALSE; |
| acpi_gbl_system_awake_and_running = TRUE; |
| |
| /* Namespace */ |
| |
| acpi_gbl_root_node = NULL; |
| |
| acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; |
| acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED; |
| acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
| acpi_gbl_root_node_struct.child = NULL; |
| acpi_gbl_root_node_struct.peer = NULL; |
| acpi_gbl_root_node_struct.object = NULL; |
| acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; |
| |
| |
| #ifdef ACPI_DEBUG_OUTPUT |
| acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; |
| #endif |
| |
| return_VOID; |
| } |
| |
| |