*****************************************************************************/
/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
#include <acpi/acpi.h>
+#include <acpi/actables.h>
#define _COMPONENT ACPI_HARDWARE
ACPI_MODULE_NAME("hwsleep")
acpi_status
acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
{
+ struct acpi_table_facs *facs;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
- ACPI_FUNCTION_TRACE("acpi_set_firmware_waking_vector");
+ /* Get the FACS */
+
+ status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+ ACPI_CAST_INDIRECT_PTR(struct
+ acpi_table_header,
+ &facs));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
/* Set the vector */
- if (acpi_gbl_common_fACS.vector_width == 32) {
- *(ACPI_CAST_PTR
- (u32, acpi_gbl_common_fACS.firmware_waking_vector))
- = (u32) physical_address;
+ if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
+ /*
+ * ACPI 1.0 FACS or short table or optional X_ field is zero
+ */
+ facs->firmware_waking_vector = (u32) physical_address;
} else {
- *acpi_gbl_common_fACS.firmware_waking_vector = physical_address;
+ /*
+ * ACPI 2.0 FACS with valid X_ field
+ */
+ facs->xfirmware_waking_vector = physical_address;
}
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
+
/*******************************************************************************
*
* FUNCTION: acpi_get_firmware_waking_vector
* DESCRIPTION: Access function for the firmware_waking_vector field in FACS
*
******************************************************************************/
-
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
{
+ struct acpi_table_facs *facs;
+ acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_get_firmware_waking_vector");
+ ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector);
if (!physical_address) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
+ /* Get the FACS */
+
+ status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+ ACPI_CAST_INDIRECT_PTR(struct
+ acpi_table_header,
+ &facs));
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
/* Get the vector */
- if (acpi_gbl_common_fACS.vector_width == 32) {
- *physical_address = (acpi_physical_address)
- *
- (ACPI_CAST_PTR
- (u32, acpi_gbl_common_fACS.firmware_waking_vector));
+ if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
+ /*
+ * ACPI 1.0 FACS or short table or optional X_ field is zero
+ */
+ *physical_address =
+ (acpi_physical_address) facs->firmware_waking_vector;
} else {
+ /*
+ * ACPI 2.0 FACS with valid X_ field
+ */
*physical_address =
- *acpi_gbl_common_fACS.firmware_waking_vector;
+ (acpi_physical_address) facs->xfirmware_waking_vector;
}
return_ACPI_STATUS(AE_OK);
}
-#endif
+ACPI_EXPORT_SYMBOL(acpi_get_firmware_waking_vector)
+#endif
/*******************************************************************************
*
* FUNCTION: acpi_enter_sleep_state_prep
* 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;
- ACPI_FUNCTION_TRACE("acpi_enter_sleep_state_prep");
+ ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep);
/*
* _PSW methods could be run here to enable wake-on keyboard, LAN, etc.
arg.type = ACPI_TYPE_INTEGER;
arg.integer.value = sleep_state;
- /* Run the _PTS and _GTS methods */
+ /* Run the _PTS method */
status = acpi_evaluate_object(NULL, METHOD_NAME__PTS, &arg_list, NULL);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
return_ACPI_STATUS(status);
}
- status = acpi_evaluate_object(NULL, METHOD_NAME__GTS, &arg_list, NULL);
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- return_ACPI_STATUS(status);
- }
-
/* Setup the argument to _SST */
switch (sleep_state) {
break;
}
- /* Set the system indicators to show the desired sleep state. */
-
+ /*
+ * Set the system indicators to show the desired sleep state.
+ * _SST is an optional method (return no error if not found)
+ */
status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- ACPI_REPORT_ERROR(("Method _SST failed, %s\n",
- acpi_format_exception(status)));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While executing method _SST"));
}
return_ACPI_STATUS(AE_OK);
}
+ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
+
/*******************************************************************************
*
* FUNCTION: acpi_enter_sleep_state
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-
acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
{
u32 PM1Acontrol;
struct acpi_bit_register_info *sleep_type_reg_info;
struct acpi_bit_register_info *sleep_enable_reg_info;
u32 in_value;
+ struct acpi_object_list arg_list;
+ union acpi_object arg;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_enter_sleep_state");
+ 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_REPORT_ERROR(("Sleep values out of range: A=%X B=%X\n",
- acpi_gbl_sleep_type_a,
- acpi_gbl_sleep_type_b));
+ ACPI_ERROR((AE_INFO, "Sleep values out of range: A=%X B=%X",
+ acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
/* Clear wake status */
- status =
- acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
+ status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Clear all fixed and general purpose status bits */
- status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK);
+ status = acpi_hw_clear_acpi_status();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
return_ACPI_STATUS(status);
}
+ /* Execute the _GTS 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__GTS, &arg_list, NULL);
+ if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
+ return_ACPI_STATUS(status);
+ }
+
/* Get current value of PM1A control */
- status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL, &PM1Acontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Write #1: fill in SLP_TYP data */
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1A_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
PM1Acontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1B_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
PM1Bcontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
ACPI_FLUSH_CPU_CACHE();
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1A_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
PM1Acontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1B_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
PM1Bcontrol);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
*/
acpi_os_stall(10000000);
- status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL,
+ status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
sleep_enable_reg_info->
access_bit_mask);
if (ACPI_FAILURE(status)) {
/* Wait until we enter sleep state */
do {
- status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value,
- ACPI_MTX_DO_NOT_LOCK);
+ status = acpi_get_register_unlocked(ACPI_BITREG_WAKE_STATUS,
+ &in_value);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_enter_sleep_state);
+ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
/*******************************************************************************
*
* 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");
+ ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
- status =
- acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
+ status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK);
+ status = acpi_hw_clear_acpi_status();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
ACPI_FLUSH_CPU_CACHE();
- status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
- (u32) acpi_gbl_FADT->S4bios_req, 8);
+ status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+ (u32) acpi_gbl_FADT.S4bios_request, 8);
do {
acpi_os_stall(1000);
- status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value,
- ACPI_MTX_DO_NOT_LOCK);
+ status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios);
+ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
/*******************************************************************************
*
- * FUNCTION: acpi_leave_sleep_state
+ * FUNCTION: acpi_leave_sleep_state_prep
*
- * PARAMETERS: sleep_state - Which sleep state we just exited
+ * PARAMETERS: sleep_state - Which sleep state we are exiting
*
* RETURN: Status
*
- * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep
- * Called with interrupts ENABLED.
+ * DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
+ * sleep.
+ * Called with interrupts DISABLED.
*
******************************************************************************/
-
-acpi_status acpi_leave_sleep_state(u8 sleep_state)
+acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
{
struct acpi_object_list arg_list;
union acpi_object arg;
u32 PM1Acontrol;
u32 PM1Bcontrol;
- ACPI_FUNCTION_TRACE("acpi_leave_sleep_state");
+ ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep);
/*
* Set SLP_TYPE and SLP_EN to state S0.
/* Get current value of PM1A control */
- status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL,
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
&PM1Acontrol);
if (ACPI_SUCCESS(status)) {
+
/* Clear SLP_EN and SLP_TYP fields */
PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask |
/* Just ignore any errors */
- (void)acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1A_CONTROL,
+ (void)acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
PM1Acontrol);
- (void)acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1B_CONTROL,
+ (void)acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
PM1Bcontrol);
}
}
+ /* 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"));
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * 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)
+{
+ struct acpi_object_list arg_list;
+ union acpi_object arg;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
+
/* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
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_REPORT_ERROR(("Method _SST failed, %s\n",
- acpi_format_exception(status)));
- }
-
- 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_REPORT_ERROR(("Method _BFS failed, %s\n",
- acpi_format_exception(status)));
+ ACPI_EXCEPTION((AE_INFO, status, "During Method _SST"));
}
- status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- ACPI_REPORT_ERROR(("Method _WAK failed, %s\n",
- acpi_format_exception(status)));
- }
- /* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */
-
/*
+ * GPEs must be enabled before _WAK is called as GPEs
+ * might get fired there
+ *
* Restore the GPEs:
* 1) Disable/Clear all GPEs
* 2) Enable all runtime GPEs
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- acpi_gbl_system_awake_and_running = TRUE;
-
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? */
+
+ acpi_gbl_system_awake_and_running = TRUE;
+
/* Enable power button */
(void)
acpi_set_register(acpi_gbl_fixed_event_info
- [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1,
- ACPI_MTX_DO_NOT_LOCK);
+ [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1);
(void)
acpi_set_register(acpi_gbl_fixed_event_info
- [ACPI_EVENT_POWER_BUTTON].status_register_id, 1,
- ACPI_MTX_DO_NOT_LOCK);
+ [ACPI_EVENT_POWER_BUTTON].status_register_id, 1);
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_REPORT_ERROR(("Method _SST failed, %s\n",
- acpi_format_exception(status)));
+ ACPI_EXCEPTION((AE_INFO, status, "During Method _SST"));
}
return_ACPI_STATUS(status);
}
+
+ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff