******************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <acpi/acevents.h>
#define _COMPONENT ACPI_HARDWARE
- ACPI_MODULE_NAME ("hwregs")
-
+ACPI_MODULE_NAME("hwregs")
/*******************************************************************************
*
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-
-acpi_status
-acpi_hw_clear_acpi_status (
- u32 flags)
+acpi_status acpi_hw_clear_acpi_status(u32 flags)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("hw_clear_acpi_status");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("hw_clear_acpi_status");
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %04X to %04X\n",
- ACPI_BITMASK_ALL_FIXED_STATUS,
- (u16) acpi_gbl_FADT->xpm1a_evt_blk.address));
+ ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
+ ACPI_BITMASK_ALL_FIXED_STATUS,
+ (u16) acpi_gbl_FADT->xpm1a_evt_blk.address));
if (flags & ACPI_MTX_LOCK) {
- status = acpi_ut_acquire_mutex (ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
- status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
- ACPI_BITMASK_ALL_FIXED_STATUS);
- if (ACPI_FAILURE (status)) {
+ status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_STATUS,
+ ACPI_BITMASK_ALL_FIXED_STATUS);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
/* Clear the fixed events */
if (acpi_gbl_FADT->xpm1b_evt_blk.address) {
- status = acpi_hw_low_level_write (16, ACPI_BITMASK_ALL_FIXED_STATUS,
- &acpi_gbl_FADT->xpm1b_evt_blk);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_write(16, ACPI_BITMASK_ALL_FIXED_STATUS,
+ &acpi_gbl_FADT->xpm1b_evt_blk);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
}
/* Clear the GPE Bits in all GPE registers in all GPE blocks */
- status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, ACPI_ISR);
+ status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
-unlock_and_exit:
+ unlock_and_exit:
if (flags & ACPI_MTX_LOCK) {
- (void) acpi_ut_release_mutex (ACPI_MTX_HARDWARE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_get_sleep_type_data
******************************************************************************/
acpi_status
-acpi_get_sleep_type_data (
- u8 sleep_state,
- u8 *sleep_type_a,
- u8 *sleep_type_b)
+acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
{
- acpi_status status = AE_OK;
- struct acpi_parameter_info info;
-
+ acpi_status status = AE_OK;
+ struct acpi_parameter_info info;
+ char *sleep_state_name;
- ACPI_FUNCTION_TRACE ("acpi_get_sleep_type_data");
+ ACPI_FUNCTION_TRACE("acpi_get_sleep_type_data");
+ /* Validate parameters */
- /*
- * Validate parameters
- */
- if ((sleep_state > ACPI_S_STATES_MAX) ||
- !sleep_type_a || !sleep_type_b) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ if ((sleep_state > ACPI_S_STATES_MAX) || !sleep_type_a || !sleep_type_b) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /*
- * Evaluate the namespace object containing the values for this state
- */
+ /* Evaluate the namespace object containing the values for this state */
+
info.parameters = NULL;
- status = acpi_ns_evaluate_by_name ((char *) acpi_gbl_sleep_state_names[sleep_state],
- &info);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s while evaluating sleep_state [%s]\n",
- acpi_format_exception (status), acpi_gbl_sleep_state_names[sleep_state]));
+ info.return_object = NULL;
+ sleep_state_name =
+ ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
- return_ACPI_STATUS (status);
+ status = acpi_ns_evaluate_by_name(sleep_state_name, &info);
+ if (ACPI_FAILURE(status)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "%s while evaluating sleep_state [%s]\n",
+ acpi_format_exception(status),
+ sleep_state_name));
+
+ return_ACPI_STATUS(status);
}
/* Must have a return object */
if (!info.return_object) {
- ACPI_REPORT_ERROR (("Missing Sleep State object\n"));
+ ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
+ sleep_state_name));
status = AE_NOT_EXIST;
}
/* It must be of type Package */
- else if (ACPI_GET_OBJECT_TYPE (info.return_object) != ACPI_TYPE_PACKAGE) {
- ACPI_REPORT_ERROR (("Sleep State object not a Package\n"));
+ else if (ACPI_GET_OBJECT_TYPE(info.return_object) != ACPI_TYPE_PACKAGE) {
+ ACPI_ERROR((AE_INFO,
+ "Sleep State return object is not a Package"));
status = AE_AML_OPERAND_TYPE;
}
- /* The package must have at least two elements */
-
+ /*
+ * The package must have at least two elements. NOTE (March 2005): This
+ * goes against the current ACPI spec which defines this object as a
+ * package with one encoded DWORD element. However, existing practice
+ * by BIOS vendors seems to be to have 2 or more elements, at least
+ * one per sleep type (A/B).
+ */
else if (info.return_object->package.count < 2) {
- ACPI_REPORT_ERROR (("Sleep State package does not have at least two elements\n"));
+ ACPI_ERROR((AE_INFO,
+ "Sleep State return package does not have at least two elements"));
status = AE_AML_NO_OPERAND;
}
/* The first two elements must both be of type Integer */
- else if ((ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[0]) != ACPI_TYPE_INTEGER) ||
- (ACPI_GET_OBJECT_TYPE (info.return_object->package.elements[1]) != ACPI_TYPE_INTEGER)) {
- ACPI_REPORT_ERROR (("Sleep State package elements are not both Integers (%s, %s)\n",
- acpi_ut_get_object_type_name (info.return_object->package.elements[0]),
- acpi_ut_get_object_type_name (info.return_object->package.elements[1])));
+ else if ((ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[0])
+ != ACPI_TYPE_INTEGER) ||
+ (ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[1])
+ != ACPI_TYPE_INTEGER)) {
+ ACPI_ERROR((AE_INFO,
+ "Sleep State return package elements are not both Integers (%s, %s)",
+ acpi_ut_get_object_type_name(info.return_object->
+ package.elements[0]),
+ acpi_ut_get_object_type_name(info.return_object->
+ package.elements[1])));
status = AE_AML_OPERAND_TYPE;
- }
- else {
- /*
- * Valid _Sx_ package size, type, and value
- */
- *sleep_type_a = (u8) (info.return_object->package.elements[0])->integer.value;
- *sleep_type_b = (u8) (info.return_object->package.elements[1])->integer.value;
+ } else {
+ /* Valid _Sx_ package size, type, and value */
+
+ *sleep_type_a = (u8)
+ (info.return_object->package.elements[0])->integer.value;
+ *sleep_type_b = (u8)
+ (info.return_object->package.elements[1])->integer.value;
}
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "While evaluating sleep_state [%s], bad Sleep object %p type %s\n",
- acpi_gbl_sleep_state_names[sleep_state], info.return_object,
- acpi_ut_get_object_type_name (info.return_object)));
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While evaluating sleep_state [%s], bad Sleep object %p type %s",
+ sleep_state_name, info.return_object,
+ acpi_ut_get_object_type_name(info.
+ return_object)));
}
- acpi_ut_remove_reference (info.return_object);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(info.return_object);
+ return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_sleep_type_data);
+EXPORT_SYMBOL(acpi_get_sleep_type_data);
/*******************************************************************************
*
*
* PARAMETERS: register_id - Index of ACPI Register to access
*
- * RETURN: The bit mask to be used when accessing the register
+ * RETURN: The bitmask to be used when accessing the register
*
- * DESCRIPTION: Map register_id into a register bit mask.
+ * DESCRIPTION: Map register_id into a register bitmask.
*
******************************************************************************/
-struct acpi_bit_register_info *
-acpi_hw_get_bit_register_info (
- u32 register_id)
+struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
{
- ACPI_FUNCTION_NAME ("hw_get_bit_register_info");
-
+ ACPI_FUNCTION_ENTRY();
if (register_id > ACPI_BITREG_MAX) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid bit_register ID: %X\n", register_id));
+ ACPI_ERROR((AE_INFO, "Invalid bit_register ID: %X",
+ register_id));
return (NULL);
}
return (&acpi_gbl_bit_register_info[register_id]);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_get_register
*
******************************************************************************/
-acpi_status
-acpi_get_register (
- u32 register_id,
- u32 *return_value,
- u32 flags)
+acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
{
- u32 register_value = 0;
- struct acpi_bit_register_info *bit_reg_info;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("acpi_get_register");
+ u32 register_value = 0;
+ struct acpi_bit_register_info *bit_reg_info;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("acpi_get_register");
/* Get the info structure corresponding to the requested ACPI Register */
- bit_reg_info = acpi_hw_get_bit_register_info (register_id);
+ bit_reg_info = acpi_hw_get_bit_register_info(register_id);
if (!bit_reg_info) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (flags & ACPI_MTX_LOCK) {
- status = acpi_ut_acquire_mutex (ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/* Read from the register */
- status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK,
- bit_reg_info->parent_register, ®ister_value);
+ status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ bit_reg_info->parent_register,
+ ®ister_value);
if (flags & ACPI_MTX_LOCK) {
- (void) acpi_ut_release_mutex (ACPI_MTX_HARDWARE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
}
- if (ACPI_SUCCESS (status)) {
+ if (ACPI_SUCCESS(status)) {
/* Normalize the value that was read */
- register_value = ((register_value & bit_reg_info->access_bit_mask)
- >> bit_reg_info->bit_position);
+ register_value =
+ ((register_value & bit_reg_info->access_bit_mask)
+ >> bit_reg_info->bit_position);
*return_value = register_value;
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Read value %8.8X register %X\n",
- register_value, bit_reg_info->parent_register));
+ ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read value %8.8X register %X\n",
+ register_value,
+ bit_reg_info->parent_register));
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_get_register);
+EXPORT_SYMBOL(acpi_get_register);
/*******************************************************************************
*
*
******************************************************************************/
-acpi_status
-acpi_set_register (
- u32 register_id,
- u32 value,
- u32 flags)
+acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
{
- u32 register_value = 0;
- struct acpi_bit_register_info *bit_reg_info;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_U32 ("acpi_set_register", register_id);
+ u32 register_value = 0;
+ struct acpi_bit_register_info *bit_reg_info;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_U32("acpi_set_register", register_id);
/* Get the info structure corresponding to the requested ACPI Register */
- bit_reg_info = acpi_hw_get_bit_register_info (register_id);
+ bit_reg_info = acpi_hw_get_bit_register_info(register_id);
if (!bit_reg_info) {
- ACPI_REPORT_ERROR (("Bad ACPI HW register_id: %X\n", register_id));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ ACPI_ERROR((AE_INFO, "Bad ACPI HW register_id: %X",
+ register_id));
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (flags & ACPI_MTX_LOCK) {
- status = acpi_ut_acquire_mutex (ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
/* Always do a register read first so we can insert the new bits */
- status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK,
- bit_reg_info->parent_register, ®ister_value);
- if (ACPI_FAILURE (status)) {
+ status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ bit_reg_info->parent_register,
+ ®ister_value);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
* information is the single bit we're interested in, all others should
* be written as 0 so they will be left unchanged.
*/
- value = ACPI_REGISTER_PREPARE_BITS (value,
- bit_reg_info->bit_position, bit_reg_info->access_bit_mask);
+ value = ACPI_REGISTER_PREPARE_BITS(value,
+ bit_reg_info->bit_position,
+ bit_reg_info->
+ access_bit_mask);
if (value) {
- status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_STATUS, (u16) value);
+ status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_STATUS,
+ (u16) value);
register_value = 0;
}
break;
-
case ACPI_REGISTER_PM1_ENABLE:
- ACPI_REGISTER_INSERT_VALUE (register_value, bit_reg_info->bit_position,
- bit_reg_info->access_bit_mask, value);
+ ACPI_REGISTER_INSERT_VALUE(register_value,
+ bit_reg_info->bit_position,
+ bit_reg_info->access_bit_mask,
+ value);
- status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_ENABLE, (u16) register_value);
+ status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_ENABLE,
+ (u16) register_value);
break;
-
case ACPI_REGISTER_PM1_CONTROL:
/*
* Note that at this level, the fact that there are actually TWO
* registers (A and B - and B may not exist) is abstracted.
*/
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "PM1 control: Read %X\n", register_value));
+ ACPI_DEBUG_PRINT((ACPI_DB_IO, "PM1 control: Read %X\n",
+ register_value));
- ACPI_REGISTER_INSERT_VALUE (register_value, bit_reg_info->bit_position,
- bit_reg_info->access_bit_mask, value);
+ ACPI_REGISTER_INSERT_VALUE(register_value,
+ bit_reg_info->bit_position,
+ bit_reg_info->access_bit_mask,
+ value);
- status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM1_CONTROL, (u16) register_value);
+ status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_CONTROL,
+ (u16) register_value);
break;
-
case ACPI_REGISTER_PM2_CONTROL:
- status = acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM2_CONTROL, ®ister_value);
- if (ACPI_FAILURE (status)) {
+ status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM2_CONTROL,
+ ®ister_value);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "PM2 control: Read %X from %8.8X%8.8X\n",
- register_value,
- ACPI_FORMAT_UINT64 (acpi_gbl_FADT->xpm2_cnt_blk.address)));
-
- ACPI_REGISTER_INSERT_VALUE (register_value, bit_reg_info->bit_position,
- bit_reg_info->access_bit_mask, value);
-
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "About to write %4.4X to %8.8X%8.8X\n",
- register_value,
- ACPI_FORMAT_UINT64 (acpi_gbl_FADT->xpm2_cnt_blk.address)));
-
- status = acpi_hw_register_write (ACPI_MTX_DO_NOT_LOCK,
- ACPI_REGISTER_PM2_CONTROL, (u8) (register_value));
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "PM2 control: Read %X from %8.8X%8.8X\n",
+ register_value,
+ ACPI_FORMAT_UINT64(acpi_gbl_FADT->
+ xpm2_cnt_blk.address)));
+
+ ACPI_REGISTER_INSERT_VALUE(register_value,
+ bit_reg_info->bit_position,
+ bit_reg_info->access_bit_mask,
+ value);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "About to write %4.4X to %8.8X%8.8X\n",
+ register_value,
+ ACPI_FORMAT_UINT64(acpi_gbl_FADT->
+ xpm2_cnt_blk.address)));
+
+ status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM2_CONTROL,
+ (u8) (register_value));
break;
-
default:
break;
}
-
-unlock_and_exit:
+ unlock_and_exit:
if (flags & ACPI_MTX_LOCK) {
- (void) acpi_ut_release_mutex (ACPI_MTX_HARDWARE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
}
/* Normalize the value that was read */
- ACPI_DEBUG_EXEC (register_value = ((register_value & bit_reg_info->access_bit_mask) >> bit_reg_info->bit_position));
+ ACPI_DEBUG_EXEC(register_value =
+ ((register_value & bit_reg_info->access_bit_mask) >>
+ bit_reg_info->bit_position));
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Set bits: %8.8X actual %8.8X register %X\n",
- value, register_value, bit_reg_info->parent_register));
- return_ACPI_STATUS (status);
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Set bits: %8.8X actual %8.8X register %X\n", value,
+ register_value, bit_reg_info->parent_register));
+ return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_set_register);
+EXPORT_SYMBOL(acpi_set_register);
/******************************************************************************
*
*
* PARAMETERS: use_lock - Mutex hw access
* register_id - register_iD + Offset
- * return_value - Value that was read from the register
+ * return_value - Where the register value is returned
*
* RETURN: Status and the value read.
*
******************************************************************************/
acpi_status
-acpi_hw_register_read (
- u8 use_lock,
- u32 register_id,
- u32 *return_value)
+acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
{
- u32 value1 = 0;
- u32 value2 = 0;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("hw_register_read");
+ u32 value1 = 0;
+ u32 value2 = 0;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("hw_register_read");
if (ACPI_MTX_LOCK == use_lock) {
- status = acpi_ut_acquire_mutex (ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
switch (register_id) {
- case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
+ case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
- status = acpi_hw_low_level_read (16, &value1, &acpi_gbl_FADT->xpm1a_evt_blk);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_read(16, &value1,
+ &acpi_gbl_FADT->xpm1a_evt_blk);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
/* PM1B is optional */
- status = acpi_hw_low_level_read (16, &value2, &acpi_gbl_FADT->xpm1b_evt_blk);
+ status =
+ acpi_hw_low_level_read(16, &value2,
+ &acpi_gbl_FADT->xpm1b_evt_blk);
value1 |= value2;
break;
+ case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
- case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
-
- status = acpi_hw_low_level_read (16, &value1, &acpi_gbl_xpm1a_enable);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_read(16, &value1, &acpi_gbl_xpm1a_enable);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
/* PM1B is optional */
- status = acpi_hw_low_level_read (16, &value2, &acpi_gbl_xpm1b_enable);
+ status =
+ acpi_hw_low_level_read(16, &value2, &acpi_gbl_xpm1b_enable);
value1 |= value2;
break;
+ case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
- case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
-
- status = acpi_hw_low_level_read (16, &value1, &acpi_gbl_FADT->xpm1a_cnt_blk);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_read(16, &value1,
+ &acpi_gbl_FADT->xpm1a_cnt_blk);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
- status = acpi_hw_low_level_read (16, &value2, &acpi_gbl_FADT->xpm1b_cnt_blk);
+ status =
+ acpi_hw_low_level_read(16, &value2,
+ &acpi_gbl_FADT->xpm1b_cnt_blk);
value1 |= value2;
break;
+ case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
- case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
-
- status = acpi_hw_low_level_read (8, &value1, &acpi_gbl_FADT->xpm2_cnt_blk);
+ status =
+ acpi_hw_low_level_read(8, &value1,
+ &acpi_gbl_FADT->xpm2_cnt_blk);
break;
+ case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
- case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
-
- status = acpi_hw_low_level_read (32, &value1, &acpi_gbl_FADT->xpm_tmr_blk);
+ status =
+ acpi_hw_low_level_read(32, &value1,
+ &acpi_gbl_FADT->xpm_tmr_blk);
break;
- case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
+ case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
- status = acpi_os_read_port (acpi_gbl_FADT->smi_cmd, &value1, 8);
+ status = acpi_os_read_port(acpi_gbl_FADT->smi_cmd, &value1, 8);
break;
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Register ID: %X\n", register_id));
+ ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
status = AE_BAD_PARAMETER;
break;
}
-unlock_and_exit:
+ unlock_and_exit:
if (ACPI_MTX_LOCK == use_lock) {
- (void) acpi_ut_release_mutex (ACPI_MTX_HARDWARE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
}
- if (ACPI_SUCCESS (status)) {
+ if (ACPI_SUCCESS(status)) {
*return_value = value1;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_register_write
*
******************************************************************************/
-acpi_status
-acpi_hw_register_write (
- u8 use_lock,
- u32 register_id,
- u32 value)
+acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("hw_register_write");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("hw_register_write");
if (ACPI_MTX_LOCK == use_lock) {
- status = acpi_ut_acquire_mutex (ACPI_MTX_HARDWARE);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
switch (register_id) {
- case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
+ case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_FADT->xpm1a_evt_blk);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_write(16, value,
+ &acpi_gbl_FADT->xpm1a_evt_blk);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
/* PM1B is optional */
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_FADT->xpm1b_evt_blk);
+ status =
+ acpi_hw_low_level_write(16, value,
+ &acpi_gbl_FADT->xpm1b_evt_blk);
break;
+ case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
- case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access*/
-
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_xpm1a_enable);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_write(16, value, &acpi_gbl_xpm1a_enable);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
/* PM1B is optional */
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_xpm1b_enable);
+ status =
+ acpi_hw_low_level_write(16, value, &acpi_gbl_xpm1b_enable);
break;
+ case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
- case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
-
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_FADT->xpm1a_cnt_blk);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_write(16, value,
+ &acpi_gbl_FADT->xpm1a_cnt_blk);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_FADT->xpm1b_cnt_blk);
+ status =
+ acpi_hw_low_level_write(16, value,
+ &acpi_gbl_FADT->xpm1b_cnt_blk);
break;
+ case ACPI_REGISTER_PM1A_CONTROL: /* 16-bit access */
- case ACPI_REGISTER_PM1A_CONTROL: /* 16-bit access */
-
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_FADT->xpm1a_cnt_blk);
+ status =
+ acpi_hw_low_level_write(16, value,
+ &acpi_gbl_FADT->xpm1a_cnt_blk);
break;
+ case ACPI_REGISTER_PM1B_CONTROL: /* 16-bit access */
- case ACPI_REGISTER_PM1B_CONTROL: /* 16-bit access */
-
- status = acpi_hw_low_level_write (16, value, &acpi_gbl_FADT->xpm1b_cnt_blk);
+ status =
+ acpi_hw_low_level_write(16, value,
+ &acpi_gbl_FADT->xpm1b_cnt_blk);
break;
+ case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
- case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
-
- status = acpi_hw_low_level_write (8, value, &acpi_gbl_FADT->xpm2_cnt_blk);
+ status =
+ acpi_hw_low_level_write(8, value,
+ &acpi_gbl_FADT->xpm2_cnt_blk);
break;
+ case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
- case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
-
- status = acpi_hw_low_level_write (32, value, &acpi_gbl_FADT->xpm_tmr_blk);
+ status =
+ acpi_hw_low_level_write(32, value,
+ &acpi_gbl_FADT->xpm_tmr_blk);
break;
-
- case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
+ case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
/* SMI_CMD is currently always in IO space */
- status = acpi_os_write_port (acpi_gbl_FADT->smi_cmd, value, 8);
+ status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd, value, 8);
break;
-
default:
status = AE_BAD_PARAMETER;
break;
}
-unlock_and_exit:
+ unlock_and_exit:
if (ACPI_MTX_LOCK == use_lock) {
- (void) acpi_ut_release_mutex (ACPI_MTX_HARDWARE);
+ (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_low_level_read
******************************************************************************/
acpi_status
-acpi_hw_low_level_read (
- u32 width,
- u32 *value,
- struct acpi_generic_address *reg)
+acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
{
- u64 address;
- acpi_status status;
-
-
- ACPI_FUNCTION_NAME ("hw_low_level_read");
+ u64 address;
+ acpi_status status;
+ ACPI_FUNCTION_NAME("hw_low_level_read");
/*
* Must have a valid pointer to a GAS structure, and
/* Get a local copy of the address. Handles possible alignment issues */
- ACPI_MOVE_64_TO_64 (&address, ®->address);
+ ACPI_MOVE_64_TO_64(&address, ®->address);
if (!address) {
return (AE_OK);
}
switch (reg->address_space_id) {
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
- status = acpi_os_read_memory (
- (acpi_physical_address) address,
- value, width);
+ status = acpi_os_read_memory((acpi_physical_address) address,
+ value, width);
break;
-
case ACPI_ADR_SPACE_SYSTEM_IO:
- status = acpi_os_read_port ((acpi_io_address) address,
- value, width);
+ status = acpi_os_read_port((acpi_io_address) address,
+ value, width);
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unsupported address space: %X\n", reg->address_space_id));
+ ACPI_ERROR((AE_INFO,
+ "Unsupported address space: %X",
+ reg->address_space_id));
return (AE_BAD_PARAMETER);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
- *value, width,
- ACPI_FORMAT_UINT64 (address),
- acpi_ut_get_region_name (reg->address_space_id)));
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n",
+ *value, width,
+ ACPI_FORMAT_UINT64(address),
+ acpi_ut_get_region_name(reg->address_space_id)));
return (status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_low_level_write
******************************************************************************/
acpi_status
-acpi_hw_low_level_write (
- u32 width,
- u32 value,
- struct acpi_generic_address *reg)
+acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
{
- u64 address;
- acpi_status status;
-
-
- ACPI_FUNCTION_NAME ("hw_low_level_write");
+ u64 address;
+ acpi_status status;
+ ACPI_FUNCTION_NAME("hw_low_level_write");
/*
* Must have a valid pointer to a GAS structure, and
/* Get a local copy of the address. Handles possible alignment issues */
- ACPI_MOVE_64_TO_64 (&address, ®->address);
+ ACPI_MOVE_64_TO_64(&address, ®->address);
if (!address) {
return (AE_OK);
}
switch (reg->address_space_id) {
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
- status = acpi_os_write_memory (
- (acpi_physical_address) address,
- value, width);
+ status = acpi_os_write_memory((acpi_physical_address) address,
+ value, width);
break;
-
case ACPI_ADR_SPACE_SYSTEM_IO:
- status = acpi_os_write_port ((acpi_io_address) address,
- value, width);
+ status = acpi_os_write_port((acpi_io_address) address,
+ value, width);
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unsupported address space: %X\n", reg->address_space_id));
+ ACPI_ERROR((AE_INFO,
+ "Unsupported address space: %X",
+ reg->address_space_id));
return (AE_BAD_PARAMETER);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_IO, "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
- value, width,
- ACPI_FORMAT_UINT64 (address),
- acpi_ut_get_region_name (reg->address_space_id)));
+ ACPI_DEBUG_PRINT((ACPI_DB_IO,
+ "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n",
+ value, width,
+ ACPI_FORMAT_UINT64(address),
+ acpi_ut_get_region_name(reg->address_space_id)));
return (status);
}
git://git.onelab.eu / linux-2.6.git / blobdiff