diff options
Diffstat (limited to 'drivers/acpi/acpica/utxface.c')
| -rw-r--r-- | drivers/acpi/acpica/utxface.c | 157 |
1 files changed, 84 insertions, 73 deletions
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index 6505774f223e..56942b5f026b 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -1,47 +1,14 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: utxface - External interfaces, miscellaneous utility functions * + * Copyright (C) 2000 - 2025, Intel Corp. + * *****************************************************************************/ -/* - * Copyright (C) 2000 - 2013, 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> +#define EXPORT_ACPI_INTERFACES + #include <acpi/acpi.h> #include "accommon.h" #include "acdebug.h" @@ -60,29 +27,12 @@ ACPI_MODULE_NAME("utxface") * DESCRIPTION: Shutdown the ACPICA subsystem and release all resources. * ******************************************************************************/ -acpi_status acpi_terminate(void) +acpi_status ACPI_INIT_FUNCTION acpi_terminate(void) { acpi_status status; ACPI_FUNCTION_TRACE(acpi_terminate); - /* Just exit if subsystem is already shutdown */ - - if (acpi_gbl_shutdown) { - ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); - return_ACPI_STATUS(AE_OK); - } - - /* Subsystem appears active, go ahead and shut it down */ - - acpi_gbl_shutdown = TRUE; - acpi_gbl_startup_flags = 0; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); - - /* Terminate the AML Debugger if present */ - - ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = TRUE); - /* Shutdown and free all resources */ acpi_ut_subsystem_shutdown(); @@ -91,20 +41,13 @@ acpi_status acpi_terminate(void) acpi_ut_mutex_terminate(); -#ifdef ACPI_DEBUGGER - - /* Shut down the debugger */ - - acpi_db_terminate(); -#endif - /* Now we can shutdown the OS-dependent layer */ status = acpi_os_terminate(); return_ACPI_STATUS(status); } -ACPI_EXPORT_SYMBOL(acpi_terminate) +ACPI_EXPORT_SYMBOL_INIT(acpi_terminate) #ifndef ACPI_ASL_COMPILER #ifdef ACPI_FUTURE_USAGE @@ -150,7 +93,7 @@ ACPI_EXPORT_SYMBOL(acpi_subsystem_status) * 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; acpi_status status; @@ -177,7 +120,6 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) * Populate the return buffer */ info_ptr = (struct acpi_system_info *)out_buffer->pointer; - info_ptr->acpi_ca_version = ACPI_CA_VERSION; /* System flags (ACPI capabilities) */ @@ -207,6 +149,43 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) ACPI_EXPORT_SYMBOL(acpi_get_system_info) +/******************************************************************************* + * + * FUNCTION: acpi_get_statistics + * + * PARAMETERS: stats - Where the statistics are returned + * + * RETURN: status - the status of the call + * + * DESCRIPTION: Get the contents of the various system counters + * + ******************************************************************************/ +acpi_status acpi_get_statistics(struct acpi_statistics *stats) +{ + ACPI_FUNCTION_TRACE(acpi_get_statistics); + + /* Parameter validation */ + + if (!stats) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + /* Various interrupt-based event counters */ + + stats->sci_count = acpi_sci_count; + stats->gpe_count = acpi_gpe_count; + + memcpy(stats->fixed_event_count, acpi_fixed_event_count, + sizeof(acpi_fixed_event_count)); + + /* Other counters */ + + stats->method_count = acpi_method_count; + return_ACPI_STATUS(AE_OK); +} + +ACPI_EXPORT_SYMBOL(acpi_get_statistics) + /***************************************************************************** * * FUNCTION: acpi_install_initialization_handler @@ -238,7 +217,7 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function) } ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler) -#endif /* ACPI_FUTURE_USAGE */ +#endif /***************************************************************************** * @@ -283,7 +262,7 @@ acpi_status acpi_install_interface(acpi_string interface_name) /* Parameter validation */ - if (!interface_name || (ACPI_STRLEN(interface_name) == 0)) { + if (!interface_name || (strlen(interface_name) == 0)) { return (AE_BAD_PARAMETER); } @@ -335,7 +314,7 @@ acpi_status acpi_remove_interface(acpi_string interface_name) /* Parameter validation */ - if (!interface_name || (ACPI_STRLEN(interface_name) == 0)) { + if (!interface_name || (strlen(interface_name) == 0)) { return (AE_BAD_PARAMETER); } @@ -389,6 +368,34 @@ ACPI_EXPORT_SYMBOL(acpi_install_interface_handler) /***************************************************************************** * + * FUNCTION: acpi_update_interfaces + * + * PARAMETERS: action - Actions to be performed during the + * update + * + * RETURN: Status + * + * DESCRIPTION: Update _OSI interface strings, disabling or enabling OS vendor + * string or/and feature group strings. + * + ****************************************************************************/ +acpi_status acpi_update_interfaces(u8 action) +{ + acpi_status status; + + status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER); + if (ACPI_FAILURE(status)) { + return (status); + } + + status = acpi_ut_update_interfaces(action); + + acpi_os_release_mutex(acpi_gbl_osi_mutex); + return (status); +} + +/***************************************************************************** + * * FUNCTION: acpi_check_address_range * * PARAMETERS: space_id - Address space ID @@ -402,6 +409,7 @@ ACPI_EXPORT_SYMBOL(acpi_install_interface_handler) * ASL operation region address ranges. * ****************************************************************************/ + u32 acpi_check_address_range(acpi_adr_space_type space_id, acpi_physical_address address, @@ -441,7 +449,7 @@ ACPI_EXPORT_SYMBOL(acpi_check_address_range) ******************************************************************************/ acpi_status acpi_decode_pld_buffer(u8 *in_buffer, - acpi_size length, struct acpi_pld_info ** return_buffer) + acpi_size length, struct acpi_pld_info **return_buffer) { struct acpi_pld_info *pld_info; u32 *buffer = ACPI_CAST_PTR(u32, in_buffer); @@ -449,7 +457,8 @@ acpi_decode_pld_buffer(u8 *in_buffer, /* Parameter validation */ - if (!in_buffer || !return_buffer || (length < 16)) { + if (!in_buffer || !return_buffer + || (length < ACPI_PLD_REV1_BUFFER_SIZE)) { return (AE_BAD_PARAMETER); } @@ -463,7 +472,9 @@ acpi_decode_pld_buffer(u8 *in_buffer, ACPI_MOVE_32_TO_32(&dword, &buffer[0]); pld_info->revision = ACPI_PLD_GET_REVISION(&dword); pld_info->ignore_color = ACPI_PLD_GET_IGNORE_COLOR(&dword); - pld_info->color = ACPI_PLD_GET_COLOR(&dword); + pld_info->red = ACPI_PLD_GET_RED(&dword); + pld_info->green = ACPI_PLD_GET_GREEN(&dword); + pld_info->blue = ACPI_PLD_GET_BLUE(&dword); /* Second 32-bit DWord */ @@ -497,7 +508,7 @@ acpi_decode_pld_buffer(u8 *in_buffer, pld_info->rotation = ACPI_PLD_GET_ROTATION(&dword); pld_info->order = ACPI_PLD_GET_ORDER(&dword); - if (length >= ACPI_PLD_BUFFER_SIZE) { + if (length >= ACPI_PLD_REV2_BUFFER_SIZE) { /* Fifth 32-bit DWord (Revision 2 of _PLD) */ |