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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 08:19:28 +00:00
ACPICA: ACPI 5: Support for new FADT SleepStatus, SleepControl registers
Adds sleep and wake support for systems with these registers. One new file, hwxfsleep.c Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
parent
384fe875ef
commit
2feec47d4c
5 changed files with 752 additions and 320 deletions
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@ -73,7 +73,8 @@ acpi-y += \
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hwregs.o \
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hwsleep.o \
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hwvalid.o \
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hwxface.o
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hwxface.o \
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hwxfsleep.o
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acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
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@ -80,6 +80,23 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value);
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acpi_status acpi_hw_clear_acpi_status(void);
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/*
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* hwsleep - sleep/wake support
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*/
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void acpi_hw_execute_SST(u32 value);
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acpi_status acpi_hw_extended_sleep(u8 sleep_state);
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acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
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acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
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acpi_status acpi_hw_extended_wake(u8 sleep_state);
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acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
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acpi_status acpi_hw_legacy_wake(u8 sleep_state);
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/*
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* hwvalid - Port I/O with validation
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*/
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@ -1,7 +1,6 @@
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/******************************************************************************
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*
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* Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface
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* Name: hwsleep.c - ACPI Hardware Sleep/Wake Support Functions
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*
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*****************************************************************************/
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@ -44,174 +43,18 @@
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "actables.h"
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#include <linux/tboot.h>
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#include <linux/module.h>
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#define _COMPONENT ACPI_HARDWARE
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ACPI_MODULE_NAME("hwsleep")
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/*******************************************************************************
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*
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* FUNCTION: acpi_set_firmware_waking_vector
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*
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* PARAMETERS: physical_address - 32-bit physical address of ACPI real mode
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* entry point.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Sets the 32-bit firmware_waking_vector field of the FACS
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*
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******************************************************************************/
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acpi_status
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acpi_set_firmware_waking_vector(u32 physical_address)
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{
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ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
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/* Local prototypes */
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static void acpi_hw_execute_GTS(u8 sleep_state);
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static void acpi_hw_execute_BFS(u8 sleep_state);
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/*
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* According to the ACPI specification 2.0c and later, the 64-bit
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* waking vector should be cleared and the 32-bit waking vector should
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* be used, unless we want the wake-up code to be called by the BIOS in
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* Protected Mode. Some systems (for example HP dv5-1004nr) are known
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* to fail to resume if the 64-bit vector is used.
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*/
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/* Set the 32-bit vector */
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acpi_gbl_FACS->firmware_waking_vector = physical_address;
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/* Clear the 64-bit vector if it exists */
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if ((acpi_gbl_FACS->length > 32) && (acpi_gbl_FACS->version >= 1)) {
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acpi_gbl_FACS->xfirmware_waking_vector = 0;
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}
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return_ACPI_STATUS(AE_OK);
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}
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ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
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#if ACPI_MACHINE_WIDTH == 64
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/*******************************************************************************
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*
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* FUNCTION: acpi_set_firmware_waking_vector64
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*
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* PARAMETERS: physical_address - 64-bit physical address of ACPI protected
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* mode entry point.
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*
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* RETURN: Status
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*
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* DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if
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* it exists in the table. This function is intended for use with
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* 64-bit host operating systems.
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*
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******************************************************************************/
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acpi_status
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acpi_set_firmware_waking_vector64(u64 physical_address)
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{
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ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector64);
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/* Determine if the 64-bit vector actually exists */
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if ((acpi_gbl_FACS->length <= 32) || (acpi_gbl_FACS->version < 1)) {
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return_ACPI_STATUS(AE_NOT_EXIST);
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}
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/* Clear 32-bit vector, set the 64-bit X_ vector */
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acpi_gbl_FACS->firmware_waking_vector = 0;
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acpi_gbl_FACS->xfirmware_waking_vector = physical_address;
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return_ACPI_STATUS(AE_OK);
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}
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ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64)
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#endif
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/*******************************************************************************
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*
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* FUNCTION: acpi_enter_sleep_state_prep
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*
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* PARAMETERS: sleep_state - Which sleep state to enter
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*
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* RETURN: Status
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*
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* DESCRIPTION: Prepare to enter a system sleep state (see ACPI 2.0 spec p 231)
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* This function must execute with interrupts enabled.
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* We break sleeping into 2 stages so that OSPM can handle
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* various OS-specific tasks between the two steps.
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*
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******************************************************************************/
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acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
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{
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acpi_status status;
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struct acpi_object_list arg_list;
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union acpi_object arg;
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ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep);
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/* _PSW methods could be run here to enable wake-on keyboard, LAN, etc. */
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status = acpi_get_sleep_type_data(sleep_state,
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&acpi_gbl_sleep_type_a,
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&acpi_gbl_sleep_type_b);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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/* Setup parameter object */
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arg_list.count = 1;
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arg_list.pointer = &arg;
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = sleep_state;
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/* Run the _PTS method */
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status = acpi_evaluate_object(NULL, METHOD_NAME__PTS, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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return_ACPI_STATUS(status);
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}
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/* Setup the argument to _SST */
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switch (sleep_state) {
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case ACPI_STATE_S0:
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arg.integer.value = ACPI_SST_WORKING;
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break;
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case ACPI_STATE_S1:
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case ACPI_STATE_S2:
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case ACPI_STATE_S3:
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arg.integer.value = ACPI_SST_SLEEPING;
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break;
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case ACPI_STATE_S4:
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arg.integer.value = ACPI_SST_SLEEP_CONTEXT;
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break;
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default:
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arg.integer.value = ACPI_SST_INDICATOR_OFF; /* Default is off */
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break;
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}
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/*
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* Set the system indicators to show the desired sleep state.
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* _SST is an optional method (return no error if not found)
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*/
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status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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ACPI_EXCEPTION((AE_INFO, status,
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"While executing method _SST"));
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}
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return_ACPI_STATUS(AE_OK);
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}
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ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
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static void acpi_hw_execute_WAK(u8 sleep_state);
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static unsigned int gts, bfs;
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module_param(gts, uint, 0644);
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@ -221,35 +64,162 @@ MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
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/*******************************************************************************
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*
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* FUNCTION: acpi_enter_sleep_state
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* FUNCTION: acpi_hw_execute_GTS
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*
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* PARAMETERS: sleep_state - Sleep state that will be entered
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*
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* RETURN: None
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*
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* DESCRIPTION: Execute the optional _GTS method (Going To Sleep)
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*
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******************************************************************************/
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static void acpi_hw_execute_GTS(u8 sleep_state)
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{
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struct acpi_object_list arg_list;
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union acpi_object arg;
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acpi_status status;
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if (!gts)
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return;
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/* One argument, sleep_state */
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arg_list.count = 1;
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arg_list.pointer = &arg;
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = sleep_state;
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status = acpi_evaluate_object(NULL, METHOD_NAME__GTS, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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ACPI_EXCEPTION((AE_INFO, status,
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"While executing method _GTS"));
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_hw_execute_BFS
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*
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* PARAMETERS: sleep_state - Which sleep state we just exited
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*
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* RETURN: None
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*
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* DESCRIPTION: Execute the optional _BFS method (Back From Sleep)
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*
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******************************************************************************/
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static void acpi_hw_execute_BFS(u8 sleep_state)
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{
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struct acpi_object_list arg_list;
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union acpi_object arg;
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acpi_status status;
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if (!bfs)
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return;
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/* One argument, sleep_state */
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arg_list.count = 1;
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arg_list.pointer = &arg;
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = sleep_state;
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status = acpi_evaluate_object(NULL, METHOD_NAME__BFS, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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ACPI_EXCEPTION((AE_INFO, status,
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"While executing method _BFS"));
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_hw_execute_WAK
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*
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* PARAMETERS: sleep_state - Which sleep state we just exited
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*
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* RETURN: None
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*
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* DESCRIPTION: Execute the _WAK method (System Wake)
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*
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******************************************************************************/
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static void acpi_hw_execute_WAK(u8 sleep_state)
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{
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struct acpi_object_list arg_list;
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union acpi_object arg;
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acpi_status status;
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/* One argument, sleep_state */
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arg_list.count = 1;
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arg_list.pointer = &arg;
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = sleep_state;
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status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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ACPI_EXCEPTION((AE_INFO, status,
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"While executing method _WAK"));
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}
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/* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_hw_execute_SST
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*
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* PARAMETERS: indicator_id - Value to be passed to the _SST method
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*
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* RETURN: None
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*
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* DESCRIPTION: Execute the optional _SST method (System Status)
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*
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******************************************************************************/
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void acpi_hw_execute_SST(u32 indicator_id)
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{
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struct acpi_object_list arg_list;
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union acpi_object arg;
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acpi_status status;
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/* One argument, status indicator ID */
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arg_list.count = 1;
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arg_list.pointer = &arg;
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = indicator_id;
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status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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ACPI_EXCEPTION((AE_INFO, status,
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"While executing method _SST"));
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_hw_legacy_sleep
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*
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* PARAMETERS: sleep_state - Which sleep state to enter
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*
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* RETURN: Status
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*
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* DESCRIPTION: Enter a system sleep state (see ACPI 2.0 spec p 231)
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* DESCRIPTION: Enter a system sleep state via the legacy FADT PM registers
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* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
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*
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******************************************************************************/
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acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
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acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
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{
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u32 pm1a_control;
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u32 pm1b_control;
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struct acpi_bit_register_info *sleep_type_reg_info;
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struct acpi_bit_register_info *sleep_enable_reg_info;
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u32 pm1a_control;
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u32 pm1b_control;
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u32 in_value;
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struct acpi_object_list arg_list;
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union acpi_object arg;
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acpi_status status;
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ACPI_FUNCTION_TRACE(acpi_enter_sleep_state);
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if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) ||
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(acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) {
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ACPI_ERROR((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X",
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acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b));
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return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
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}
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ACPI_FUNCTION_TRACE(hw_legacy_sleep);
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sleep_type_reg_info =
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acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE);
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@ -271,6 +241,18 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
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return_ACPI_STATUS(status);
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}
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if (sleep_state != ACPI_STATE_S5) {
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/*
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* Disable BM arbitration. This feature is contained within an
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* optional register (PM2 Control), so ignore a BAD_ADDRESS
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* exception.
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*/
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status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1);
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if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) {
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return_ACPI_STATUS(status);
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}
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}
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/*
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* 1) Disable/Clear all GPEs
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* 2) Enable all wakeup GPEs
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@ -286,19 +268,9 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
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return_ACPI_STATUS(status);
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}
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if (gts) {
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/* Execute the _GTS method */
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/* Execute the _GTS method (Going To Sleep) */
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arg_list.count = 1;
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arg_list.pointer = &arg;
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = sleep_state;
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status = acpi_evaluate_object(NULL, METHOD_NAME__GTS, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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return_ACPI_STATUS(status);
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}
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}
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acpi_hw_execute_GTS(sleep_state);
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/* Get current value of PM1A control */
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@ -375,114 +347,43 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
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}
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}
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/* Wait until we enter sleep state */
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/* Wait for transition back to Working State */
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do {
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status = acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS,
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&in_value);
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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/* Spin until we wake */
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} while (!in_value);
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return_ACPI_STATUS(AE_OK);
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}
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ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
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/*******************************************************************************
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*
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* FUNCTION: acpi_enter_sleep_state_s4bios
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Perform a S4 bios request.
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* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
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*
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******************************************************************************/
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acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
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{
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u32 in_value;
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acpi_status status;
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ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
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/* Clear the wake status bit (PM1) */
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status =
|
||||
acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
status = acpi_hw_clear_acpi_status();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/*
|
||||
* 1) Disable/Clear all GPEs
|
||||
* 2) Enable all wakeup GPEs
|
||||
*/
|
||||
status = acpi_hw_disable_all_gpes();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
acpi_gbl_system_awake_and_running = FALSE;
|
||||
|
||||
status = acpi_hw_enable_all_wakeup_gpes();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_FLUSH_CPU_CACHE();
|
||||
|
||||
status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
|
||||
(u32) acpi_gbl_FADT.S4bios_request, 8);
|
||||
|
||||
do {
|
||||
acpi_os_stall(1000);
|
||||
status =
|
||||
acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
} while (!in_value);
|
||||
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_leave_sleep_state_prep
|
||||
* FUNCTION: acpi_hw_legacy_wake_prep
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state we are exiting
|
||||
* PARAMETERS: sleep_state - Which sleep state we just exited
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
|
||||
* sleep.
|
||||
* Called with interrupts DISABLED.
|
||||
* Called with interrupts ENABLED.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
|
||||
|
||||
acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
|
||||
{
|
||||
struct acpi_object_list arg_list;
|
||||
union acpi_object arg;
|
||||
acpi_status status;
|
||||
struct acpi_bit_register_info *sleep_type_reg_info;
|
||||
struct acpi_bit_register_info *sleep_enable_reg_info;
|
||||
u32 pm1a_control;
|
||||
u32 pm1b_control;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep);
|
||||
ACPI_FUNCTION_TRACE(hw_legacy_wake_prep);
|
||||
|
||||
/*
|
||||
* Set SLP_TYPE and SLP_EN to state S0.
|
||||
|
@ -525,25 +426,13 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
|
|||
}
|
||||
}
|
||||
|
||||
if (bfs) {
|
||||
/* Execute the _BFS method */
|
||||
|
||||
arg_list.count = 1;
|
||||
arg_list.pointer = &arg;
|
||||
arg.type = ACPI_TYPE_INTEGER;
|
||||
arg.integer.value = sleep_state;
|
||||
|
||||
status = acpi_evaluate_object(NULL, METHOD_NAME__BFS, &arg_list, NULL);
|
||||
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
|
||||
ACPI_EXCEPTION((AE_INFO, status, "During Method _BFS"));
|
||||
}
|
||||
}
|
||||
acpi_hw_execute_BFS(sleep_state);
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_leave_sleep_state
|
||||
* FUNCTION: acpi_hw_legacy_wake
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state we just exited
|
||||
*
|
||||
|
@ -553,31 +442,17 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
|
|||
* Called with interrupts ENABLED.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_leave_sleep_state(u8 sleep_state)
|
||||
|
||||
acpi_status acpi_hw_legacy_wake(u8 sleep_state)
|
||||
{
|
||||
struct acpi_object_list arg_list;
|
||||
union acpi_object arg;
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
|
||||
ACPI_FUNCTION_TRACE(hw_legacy_wake);
|
||||
|
||||
/* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
|
||||
|
||||
acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
|
||||
|
||||
/* Setup parameter object */
|
||||
|
||||
arg_list.count = 1;
|
||||
arg_list.pointer = &arg;
|
||||
arg.type = ACPI_TYPE_INTEGER;
|
||||
|
||||
/* Ignore any errors from these methods */
|
||||
|
||||
arg.integer.value = ACPI_SST_WAKING;
|
||||
status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
|
||||
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
|
||||
ACPI_EXCEPTION((AE_INFO, status, "During Method _SST"));
|
||||
}
|
||||
acpi_hw_execute_SST(ACPI_SST_WAKING);
|
||||
|
||||
/*
|
||||
* GPEs must be enabled before _WAK is called as GPEs
|
||||
|
@ -591,46 +466,201 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
|
|||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
status = acpi_hw_enable_all_runtime_gpes();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
arg.integer.value = sleep_state;
|
||||
status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
|
||||
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
|
||||
ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK"));
|
||||
}
|
||||
/* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */
|
||||
/*
|
||||
* Now we can execute _WAK, etc. Some machines require that the GPEs
|
||||
* are enabled before the wake methods are executed.
|
||||
*/
|
||||
acpi_hw_execute_WAK(sleep_state);
|
||||
|
||||
/*
|
||||
* Some BIOSes assume that WAK_STS will be cleared on resume and use
|
||||
* it to determine whether the system is rebooting or resuming. Clear
|
||||
* it for compatibility.
|
||||
* Some BIOS code assumes that WAK_STS will be cleared on resume
|
||||
* and use it to determine whether the system is rebooting or
|
||||
* resuming. Clear WAK_STS for compatibility.
|
||||
*/
|
||||
acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1);
|
||||
|
||||
acpi_gbl_system_awake_and_running = TRUE;
|
||||
|
||||
/* Enable power button */
|
||||
|
||||
(void)
|
||||
acpi_write_bit_register(acpi_gbl_fixed_event_info
|
||||
[ACPI_EVENT_POWER_BUTTON].
|
||||
enable_register_id, ACPI_ENABLE_EVENT);
|
||||
[ACPI_EVENT_POWER_BUTTON].
|
||||
enable_register_id, ACPI_ENABLE_EVENT);
|
||||
|
||||
(void)
|
||||
acpi_write_bit_register(acpi_gbl_fixed_event_info
|
||||
[ACPI_EVENT_POWER_BUTTON].
|
||||
status_register_id, ACPI_CLEAR_STATUS);
|
||||
[ACPI_EVENT_POWER_BUTTON].
|
||||
status_register_id, ACPI_CLEAR_STATUS);
|
||||
|
||||
arg.integer.value = ACPI_SST_WORKING;
|
||||
status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
|
||||
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
|
||||
ACPI_EXCEPTION((AE_INFO, status, "During Method _SST"));
|
||||
/*
|
||||
* Enable BM arbitration. This feature is contained within an
|
||||
* optional register (PM2 Control), so ignore a BAD_ADDRESS
|
||||
* exception.
|
||||
*/
|
||||
status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0);
|
||||
if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
acpi_hw_execute_SST(ACPI_SST_WORKING);
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_hw_extended_sleep
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state to enter
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Enter a system sleep state via the extended FADT sleep
|
||||
* registers (V5 FADT).
|
||||
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
acpi_status acpi_hw_extended_sleep(u8 sleep_state)
|
||||
{
|
||||
acpi_status status;
|
||||
u8 sleep_type_value;
|
||||
u64 sleep_status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(hw_extended_sleep);
|
||||
|
||||
/* Extended sleep registers must be valid */
|
||||
|
||||
if (!acpi_gbl_FADT.sleep_control.address ||
|
||||
!acpi_gbl_FADT.sleep_status.address) {
|
||||
return_ACPI_STATUS(AE_NOT_EXIST);
|
||||
}
|
||||
|
||||
/* Clear wake status (WAK_STS) */
|
||||
|
||||
status = acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
acpi_gbl_system_awake_and_running = FALSE;
|
||||
|
||||
/* Execute the _GTS method (Going To Sleep) */
|
||||
|
||||
acpi_hw_execute_GTS(sleep_state);
|
||||
|
||||
/* Flush caches, as per ACPI specification */
|
||||
|
||||
ACPI_FLUSH_CPU_CACHE();
|
||||
|
||||
/*
|
||||
* Set the SLP_TYP and SLP_EN bits.
|
||||
*
|
||||
* Note: We only use the first value returned by the \_Sx method
|
||||
* (acpi_gbl_sleep_type_a) - As per ACPI specification.
|
||||
*/
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
|
||||
"Entering sleep state [S%u]\n", sleep_state));
|
||||
|
||||
sleep_type_value =
|
||||
((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) &
|
||||
ACPI_X_SLEEP_TYPE_MASK);
|
||||
|
||||
status = acpi_write((sleep_type_value | ACPI_X_SLEEP_ENABLE),
|
||||
&acpi_gbl_FADT.sleep_control);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/* Wait for transition back to Working State */
|
||||
|
||||
do {
|
||||
status = acpi_read(&sleep_status, &acpi_gbl_FADT.sleep_status);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
} while (!(((u8)sleep_status) & ACPI_X_WAKE_STATUS));
|
||||
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_hw_extended_wake_prep
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state we just exited
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Perform first part of OS-independent ACPI cleanup after
|
||||
* a sleep. Called with interrupts ENABLED.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
|
||||
{
|
||||
acpi_status status;
|
||||
u8 sleep_type_value;
|
||||
|
||||
ACPI_FUNCTION_TRACE(hw_extended_wake_prep);
|
||||
|
||||
status = acpi_get_sleep_type_data(ACPI_STATE_S0,
|
||||
&acpi_gbl_sleep_type_a,
|
||||
&acpi_gbl_sleep_type_b);
|
||||
if (ACPI_SUCCESS(status)) {
|
||||
sleep_type_value =
|
||||
((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) &
|
||||
ACPI_X_SLEEP_TYPE_MASK);
|
||||
|
||||
(void)acpi_write((sleep_type_value | ACPI_X_SLEEP_ENABLE),
|
||||
&acpi_gbl_FADT.sleep_control);
|
||||
}
|
||||
|
||||
acpi_hw_execute_BFS(sleep_state);
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_hw_extended_wake
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state we just exited
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
|
||||
* Called with interrupts ENABLED.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
acpi_status acpi_hw_extended_wake(u8 sleep_state)
|
||||
{
|
||||
ACPI_FUNCTION_TRACE(hw_extended_wake);
|
||||
|
||||
/* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
|
||||
|
||||
acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
|
||||
|
||||
/* Execute the wake methods */
|
||||
|
||||
acpi_hw_execute_SST(ACPI_SST_WAKING);
|
||||
acpi_hw_execute_WAK(sleep_state);
|
||||
|
||||
/*
|
||||
* Some BIOS code assumes that WAK_STS will be cleared on resume
|
||||
* and use it to determine whether the system is rebooting or
|
||||
* resuming. Clear WAK_STS for compatibility.
|
||||
*/
|
||||
(void)acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status);
|
||||
acpi_gbl_system_awake_and_running = TRUE;
|
||||
|
||||
acpi_hw_execute_SST(ACPI_SST_WORKING);
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
|
377
drivers/acpi/acpica/hwxfsleep.c
Normal file
377
drivers/acpi/acpica/hwxfsleep.c
Normal file
|
@ -0,0 +1,377 @@
|
|||
/******************************************************************************
|
||||
*
|
||||
* Name: hwxfsleep.c - ACPI Hardware Sleep/Wake External Interfaces
|
||||
*
|
||||
*****************************************************************************/
|
||||
|
||||
/*
|
||||
* 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 <acpi/acpi.h>
|
||||
#include "accommon.h"
|
||||
#include <linux/module.h>
|
||||
|
||||
#define _COMPONENT ACPI_HARDWARE
|
||||
ACPI_MODULE_NAME("hwxfsleep")
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_set_firmware_waking_vector
|
||||
*
|
||||
* PARAMETERS: physical_address - 32-bit physical address of ACPI real mode
|
||||
* entry point.
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Sets the 32-bit firmware_waking_vector field of the FACS
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_set_firmware_waking_vector(u32 physical_address)
|
||||
{
|
||||
ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
|
||||
|
||||
|
||||
/*
|
||||
* According to the ACPI specification 2.0c and later, the 64-bit
|
||||
* waking vector should be cleared and the 32-bit waking vector should
|
||||
* be used, unless we want the wake-up code to be called by the BIOS in
|
||||
* Protected Mode. Some systems (for example HP dv5-1004nr) are known
|
||||
* to fail to resume if the 64-bit vector is used.
|
||||
*/
|
||||
|
||||
/* Set the 32-bit vector */
|
||||
|
||||
acpi_gbl_FACS->firmware_waking_vector = physical_address;
|
||||
|
||||
/* Clear the 64-bit vector if it exists */
|
||||
|
||||
if ((acpi_gbl_FACS->length > 32) && (acpi_gbl_FACS->version >= 1)) {
|
||||
acpi_gbl_FACS->xfirmware_waking_vector = 0;
|
||||
}
|
||||
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
|
||||
|
||||
#if ACPI_MACHINE_WIDTH == 64
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_set_firmware_waking_vector64
|
||||
*
|
||||
* PARAMETERS: physical_address - 64-bit physical address of ACPI protected
|
||||
* mode entry point.
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if
|
||||
* it exists in the table. This function is intended for use with
|
||||
* 64-bit host operating systems.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_set_firmware_waking_vector64(u64 physical_address)
|
||||
{
|
||||
ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector64);
|
||||
|
||||
|
||||
/* Determine if the 64-bit vector actually exists */
|
||||
|
||||
if ((acpi_gbl_FACS->length <= 32) || (acpi_gbl_FACS->version < 1)) {
|
||||
return_ACPI_STATUS(AE_NOT_EXIST);
|
||||
}
|
||||
|
||||
/* Clear 32-bit vector, set the 64-bit X_ vector */
|
||||
|
||||
acpi_gbl_FACS->firmware_waking_vector = 0;
|
||||
acpi_gbl_FACS->xfirmware_waking_vector = physical_address;
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64)
|
||||
#endif
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_enter_sleep_state_s4bios
|
||||
*
|
||||
* PARAMETERS: None
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Perform a S4 bios request.
|
||||
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
|
||||
{
|
||||
u32 in_value;
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
|
||||
|
||||
/* Clear the wake status bit (PM1) */
|
||||
|
||||
status =
|
||||
acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
status = acpi_hw_clear_acpi_status();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/*
|
||||
* 1) Disable/Clear all GPEs
|
||||
* 2) Enable all wakeup GPEs
|
||||
*/
|
||||
status = acpi_hw_disable_all_gpes();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
acpi_gbl_system_awake_and_running = FALSE;
|
||||
|
||||
status = acpi_hw_enable_all_wakeup_gpes();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_FLUSH_CPU_CACHE();
|
||||
|
||||
status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
|
||||
(u32)acpi_gbl_FADT.S4bios_request, 8);
|
||||
|
||||
do {
|
||||
acpi_os_stall(1000);
|
||||
status =
|
||||
acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
} while (!in_value);
|
||||
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_enter_sleep_state_prep
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state to enter
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Prepare to enter a system sleep state (see ACPI 2.0 spec p 231)
|
||||
* This function must execute with interrupts enabled.
|
||||
* We break sleeping into 2 stages so that OSPM can handle
|
||||
* various OS-specific tasks between the two steps.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
|
||||
{
|
||||
acpi_status status;
|
||||
struct acpi_object_list arg_list;
|
||||
union acpi_object arg;
|
||||
u32 sst_value;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep);
|
||||
|
||||
/* _PSW methods could be run here to enable wake-on keyboard, LAN, etc. */
|
||||
|
||||
status = acpi_get_sleep_type_data(sleep_state,
|
||||
&acpi_gbl_sleep_type_a,
|
||||
&acpi_gbl_sleep_type_b);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/* Execute the _PTS method (Prepare To Sleep) */
|
||||
|
||||
arg_list.count = 1;
|
||||
arg_list.pointer = &arg;
|
||||
arg.type = ACPI_TYPE_INTEGER;
|
||||
arg.integer.value = sleep_state;
|
||||
|
||||
status = acpi_evaluate_object(NULL, METHOD_NAME__PTS, &arg_list, NULL);
|
||||
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
/* Setup the argument to the _SST method (System STatus) */
|
||||
|
||||
switch (sleep_state) {
|
||||
case ACPI_STATE_S0:
|
||||
sst_value = ACPI_SST_WORKING;
|
||||
break;
|
||||
|
||||
case ACPI_STATE_S1:
|
||||
case ACPI_STATE_S2:
|
||||
case ACPI_STATE_S3:
|
||||
sst_value = ACPI_SST_SLEEPING;
|
||||
break;
|
||||
|
||||
case ACPI_STATE_S4:
|
||||
sst_value = ACPI_SST_SLEEP_CONTEXT;
|
||||
break;
|
||||
|
||||
default:
|
||||
sst_value = ACPI_SST_INDICATOR_OFF; /* Default is off */
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the system indicators to show the desired sleep state.
|
||||
* _SST is an optional method (return no error if not found)
|
||||
*/
|
||||
acpi_hw_execute_SST(sst_value);
|
||||
return_ACPI_STATUS(AE_OK);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_enter_sleep_state
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state to enter
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Enter a system sleep state (see ACPI 2.0 spec p 231)
|
||||
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
|
||||
{
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_enter_sleep_state);
|
||||
|
||||
if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) ||
|
||||
(acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) {
|
||||
ACPI_ERROR((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X",
|
||||
acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b));
|
||||
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
|
||||
}
|
||||
|
||||
/* If Hardware Reduced flag is set, must use the extended sleep registers */
|
||||
|
||||
if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) {
|
||||
status = acpi_hw_extended_sleep(sleep_state);
|
||||
} else {
|
||||
/* Legacy sleep */
|
||||
|
||||
status = acpi_hw_legacy_sleep(sleep_state);
|
||||
}
|
||||
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_leave_sleep_state_prep
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state we are exiting
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
|
||||
* sleep.
|
||||
* Called with interrupts DISABLED.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
|
||||
{
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
|
||||
|
||||
|
||||
/* If Hardware Reduced flag is set, must use the extended sleep registers */
|
||||
|
||||
if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) {
|
||||
status = acpi_hw_extended_wake_prep(sleep_state);
|
||||
} else {
|
||||
/* Legacy sleep */
|
||||
|
||||
status = acpi_hw_legacy_wake_prep(sleep_state);
|
||||
}
|
||||
|
||||
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state_prep)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_leave_sleep_state
|
||||
*
|
||||
* PARAMETERS: sleep_state - Which sleep state we just exited
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
|
||||
* Called with interrupts ENABLED.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_leave_sleep_state(u8 sleep_state)
|
||||
{
|
||||
acpi_status status;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
|
||||
|
||||
|
||||
/* If Hardware Reduced flag is set, must use the extended sleep registers */
|
||||
|
||||
if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) {
|
||||
status = acpi_hw_extended_wake(sleep_state);
|
||||
} else {
|
||||
/* Legacy sleep */
|
||||
|
||||
status = acpi_hw_legacy_wake(sleep_state);
|
||||
}
|
||||
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
|
||||
ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state)
|
|
@ -309,6 +309,13 @@ enum acpi_prefered_pm_profiles {
|
|||
PM_TABLET = 8
|
||||
};
|
||||
|
||||
/* Values for sleep_status and sleep_control registers (V5 FADT) */
|
||||
|
||||
#define ACPI_X_WAKE_STATUS 0x80
|
||||
#define ACPI_X_SLEEP_TYPE_MASK 0x1C
|
||||
#define ACPI_X_SLEEP_TYPE_POSITION 0x02
|
||||
#define ACPI_X_SLEEP_ENABLE 0x20
|
||||
|
||||
/* Reset to default packing */
|
||||
|
||||
#pragma pack()
|
||||
|
|
Loading…
Reference in a new issue