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authorLen Brown <len.brown@intel.com>2009-01-09 06:13:17 +0100
committerLen Brown <len.brown@intel.com>2009-01-09 09:30:47 +0100
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/hardware
parentACPICA: delete utcache.c (diff)
downloadlinux-95b482a8d31116f3f5c2a5089569393234d06385.tar.xz
linux-95b482a8d31116f3f5c2a5089569393234d06385.zip
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/hardware')
-rw-r--r--drivers/acpi/hardware/Makefile9
-rw-r--r--drivers/acpi/hardware/hwacpi.c185
-rw-r--r--drivers/acpi/hardware/hwgpe.c469
-rw-r--r--drivers/acpi/hardware/hwregs.c353
-rw-r--r--drivers/acpi/hardware/hwsleep.c629
-rw-r--r--drivers/acpi/hardware/hwtimer.c188
-rw-r--r--drivers/acpi/hardware/hwxface.c593
7 files changed, 0 insertions, 2426 deletions
diff --git a/drivers/acpi/hardware/Makefile b/drivers/acpi/hardware/Makefile
deleted file mode 100644
index 238fbe513b82..000000000000
--- a/drivers/acpi/hardware/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-# Makefile for all Linux ACPI interpreter subdirectories
-#
-
-obj-y := hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o
-
-obj-$(ACPI_FUTURE_USAGE) += hwtimer.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/hardware/hwacpi.c
deleted file mode 100644
index c76e3cd7e749..000000000000
--- a/drivers/acpi/hardware/hwacpi.c
+++ /dev/null
@@ -1,185 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-
-#define _COMPONENT ACPI_HARDWARE
-ACPI_MODULE_NAME("hwacpi")
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_set_mode
- *
- * PARAMETERS: Mode - SYS_MODE_ACPI or SYS_MODE_LEGACY
- *
- * RETURN: Status
- *
- * DESCRIPTION: Transitions the system into the requested mode.
- *
- ******************************************************************************/
-acpi_status acpi_hw_set_mode(u32 mode)
-{
-
- acpi_status status;
- u32 retry;
-
- ACPI_FUNCTION_TRACE(hw_set_mode);
-
- /*
- * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
- * system does not support mode transition.
- */
- if (!acpi_gbl_FADT.smi_command) {
- ACPI_ERROR((AE_INFO,
- "No SMI_CMD in FADT, mode transition failed"));
- return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
- }
-
- /*
- * ACPI 2.0 clarified the meaning of ACPI_ENABLE and ACPI_DISABLE
- * in FADT: If it is zero, enabling or disabling is not supported.
- * As old systems may have used zero for mode transition,
- * we make sure both the numbers are zero to determine these
- * transitions are not supported.
- */
- if (!acpi_gbl_FADT.acpi_enable && !acpi_gbl_FADT.acpi_disable) {
- ACPI_ERROR((AE_INFO,
- "No ACPI mode transition supported in this system (enable/disable both zero)"));
- return_ACPI_STATUS(AE_OK);
- }
-
- switch (mode) {
- case ACPI_SYS_MODE_ACPI:
-
- /* BIOS should have disabled ALL fixed and GP events */
-
- status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
- (u32) acpi_gbl_FADT.acpi_enable, 8);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Attempting to enable ACPI mode\n"));
- break;
-
- case ACPI_SYS_MODE_LEGACY:
-
- /*
- * BIOS should clear all fixed status bits and restore fixed event
- * enable bits to default
- */
- status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
- (u32) acpi_gbl_FADT.acpi_disable,
- 8);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Attempting to enable Legacy (non-ACPI) mode\n"));
- break;
-
- default:
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status,
- "Could not write ACPI mode change"));
- return_ACPI_STATUS(status);
- }
-
- /*
- * Some hardware takes a LONG time to switch modes. Give them 3 sec to
- * do so, but allow faster systems to proceed more quickly.
- */
- retry = 3000;
- while (retry) {
- if (acpi_hw_get_mode() == mode) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Mode %X successfully enabled\n",
- mode));
- return_ACPI_STATUS(AE_OK);
- }
- acpi_os_stall(1000);
- retry--;
- }
-
- ACPI_ERROR((AE_INFO, "Hardware did not change modes"));
- return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_hw_get_mode
- *
- * PARAMETERS: none
- *
- * RETURN: SYS_MODE_ACPI or SYS_MODE_LEGACY
- *
- * DESCRIPTION: Return current operating state of system. Determined by
- * querying the SCI_EN bit.
- *
- ******************************************************************************/
-
-u32 acpi_hw_get_mode(void)
-{
- acpi_status status;
- u32 value;
-
- ACPI_FUNCTION_TRACE(hw_get_mode);
-
- /*
- * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
- * system does not support mode transition.
- */
- if (!acpi_gbl_FADT.smi_command) {
- return_UINT32(ACPI_SYS_MODE_ACPI);
- }
-
- status = acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value);
- if (ACPI_FAILURE(status)) {
- return_UINT32(ACPI_SYS_MODE_LEGACY);
- }
-
- if (value) {
- return_UINT32(ACPI_SYS_MODE_ACPI);
- } else {
- return_UINT32(ACPI_SYS_MODE_LEGACY);
- }
-}
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
deleted file mode 100644
index 2b4a85a839d1..000000000000
--- a/drivers/acpi/hardware/hwgpe.c
+++ /dev/null
@@ -1,469 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: hwgpe - Low level GPE enable/disable/clear functions
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-#include <acpi/acevents.h>
-
-#define _COMPONENT ACPI_HARDWARE
-ACPI_MODULE_NAME("hwgpe")
-
-/* Local prototypes */
-static acpi_status
-acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block,
- void *context);
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_low_disable_gpe
- *
- * PARAMETERS: gpe_event_info - Info block for the GPE to be disabled
- *
- * RETURN: Status
- *
- * DESCRIPTION: Disable a single GPE in the enable register.
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
-{
- struct acpi_gpe_register_info *gpe_register_info;
- acpi_status status;
- u32 enable_mask;
-
- /* Get the info block for the entire GPE register */
-
- gpe_register_info = gpe_event_info->register_info;
- if (!gpe_register_info) {
- return (AE_NOT_EXIST);
- }
-
- /* Get current value of the enable register that contains this GPE */
-
- status = acpi_read(&enable_mask, &gpe_register_info->enable_address);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- /* Clear just the bit that corresponds to this GPE */
-
- ACPI_CLEAR_BIT(enable_mask,
- ((u32) 1 <<
- (gpe_event_info->gpe_number -
- gpe_register_info->base_gpe_number)));
-
- /* Write the updated enable mask */
-
- status = acpi_write(enable_mask, &gpe_register_info->enable_address);
- return (status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_write_gpe_enable_reg
- *
- * PARAMETERS: gpe_event_info - Info block for the GPE to be enabled
- *
- * RETURN: Status
- *
- * DESCRIPTION: Write a GPE enable register. Note: The bit for this GPE must
- * already be cleared or set in the parent register
- * enable_for_run mask.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
-{
- struct acpi_gpe_register_info *gpe_register_info;
- acpi_status status;
-
- ACPI_FUNCTION_ENTRY();
-
- /* Get the info block for the entire GPE register */
-
- gpe_register_info = gpe_event_info->register_info;
- if (!gpe_register_info) {
- return (AE_NOT_EXIST);
- }
-
- /* Write the entire GPE (runtime) enable register */
-
- status = acpi_write(gpe_register_info->enable_for_run,
- &gpe_register_info->enable_address);
-
- return (status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_clear_gpe
- *
- * PARAMETERS: gpe_event_info - Info block for the GPE to be cleared
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clear the status bit for a single GPE.
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
-{
- acpi_status status;
- u8 register_bit;
-
- ACPI_FUNCTION_ENTRY();
-
- register_bit = (u8)
- (1 <<
- (gpe_event_info->gpe_number -
- gpe_event_info->register_info->base_gpe_number));
-
- /*
- * Write a one to the appropriate bit in the status register to
- * clear this GPE.
- */
- status = acpi_write(register_bit,
- &gpe_event_info->register_info->status_address);
-
- return (status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_get_gpe_status
- *
- * PARAMETERS: gpe_event_info - Info block for the GPE to queried
- * event_status - Where the GPE status is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Return the status of a single GPE.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
- acpi_event_status * event_status)
-{
- u32 in_byte;
- u8 register_bit;
- struct acpi_gpe_register_info *gpe_register_info;
- acpi_status status;
- acpi_event_status local_event_status = 0;
-
- ACPI_FUNCTION_ENTRY();
-
- if (!event_status) {
- return (AE_BAD_PARAMETER);
- }
-
- /* Get the info block for the entire GPE register */
-
- gpe_register_info = gpe_event_info->register_info;
-
- /* Get the register bitmask for this GPE */
-
- register_bit = (u8)
- (1 <<
- (gpe_event_info->gpe_number -
- gpe_event_info->register_info->base_gpe_number));
-
- /* GPE currently enabled? (enabled for runtime?) */
-
- if (register_bit & gpe_register_info->enable_for_run) {
- local_event_status |= ACPI_EVENT_FLAG_ENABLED;
- }
-
- /* GPE enabled for wake? */
-
- if (register_bit & gpe_register_info->enable_for_wake) {
- local_event_status |= ACPI_EVENT_FLAG_WAKE_ENABLED;
- }
-
- /* GPE currently active (status bit == 1)? */
-
- status = acpi_read(&in_byte, &gpe_register_info->status_address);
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
-
- if (register_bit & in_byte) {
- local_event_status |= ACPI_EVENT_FLAG_SET;
- }
-
- /* Set return value */
-
- (*event_status) = local_event_status;
-
- unlock_and_exit:
- return (status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_disable_gpe_block
- *
- * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
- * gpe_block - Gpe Block info
- *
- * RETURN: Status
- *
- * DESCRIPTION: Disable all GPEs within a single GPE block
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block, void *context)
-{
- u32 i;
- acpi_status status;
-
- /* Examine each GPE Register within the block */
-
- for (i = 0; i < gpe_block->register_count; i++) {
-
- /* Disable all GPEs in this register */
-
- status =
- acpi_write(0x00,
- &gpe_block->register_info[i].enable_address);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- }
-
- return (AE_OK);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_clear_gpe_block
- *
- * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
- * gpe_block - Gpe Block info
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clear status bits for all GPEs within a single GPE block
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block, void *context)
-{
- u32 i;
- acpi_status status;
-
- /* Examine each GPE Register within the block */
-
- for (i = 0; i < gpe_block->register_count; i++) {
-
- /* Clear status on all GPEs in this register */
-
- status =
- acpi_write(0xFF,
- &gpe_block->register_info[i].status_address);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- }
-
- return (AE_OK);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_enable_runtime_gpe_block
- *
- * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
- * gpe_block - Gpe Block info
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes
- * combination wake/run GPEs.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block, void *context)
-{
- u32 i;
- acpi_status status;
-
- /* NOTE: assumes that all GPEs are currently disabled */
-
- /* Examine each GPE Register within the block */
-
- for (i = 0; i < gpe_block->register_count; i++) {
- if (!gpe_block->register_info[i].enable_for_run) {
- continue;
- }
-
- /* Enable all "runtime" GPEs in this register */
-
- status = acpi_write(gpe_block->register_info[i].enable_for_run,
- &gpe_block->register_info[i].
- enable_address);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- }
-
- return (AE_OK);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_enable_wakeup_gpe_block
- *
- * PARAMETERS: gpe_xrupt_info - GPE Interrupt info
- * gpe_block - Gpe Block info
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes
- * combination wake/run GPEs.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block,
- void *context)
-{
- u32 i;
- acpi_status status;
-
- /* Examine each GPE Register within the block */
-
- for (i = 0; i < gpe_block->register_count; i++) {
- if (!gpe_block->register_info[i].enable_for_wake) {
- continue;
- }
-
- /* Enable all "wake" GPEs in this register */
-
- status = acpi_write(gpe_block->register_info[i].enable_for_wake,
- &gpe_block->register_info[i].
- enable_address);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- }
-
- return (AE_OK);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_disable_all_gpes
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_disable_all_gpes(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(hw_disable_all_gpes);
-
- status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
- status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block, NULL);
- return_ACPI_STATUS(status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_enable_all_runtime_gpes
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_enable_all_runtime_gpes(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(hw_enable_all_runtime_gpes);
-
- status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block, NULL);
- return_ACPI_STATUS(status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_enable_all_wakeup_gpes
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_enable_all_wakeup_gpes(void)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(hw_enable_all_wakeup_gpes);
-
- status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block, NULL);
- return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
deleted file mode 100644
index 4bc3bbba6e9c..000000000000
--- a/drivers/acpi/hardware/hwregs.c
+++ /dev/null
@@ -1,353 +0,0 @@
-
-/*******************************************************************************
- *
- * Module Name: hwregs - Read/write access functions for the various ACPI
- * control and status registers.
- *
- ******************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acevents.h>
-
-#define _COMPONENT ACPI_HARDWARE
-ACPI_MODULE_NAME("hwregs")
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_hw_clear_acpi_status
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Clears all fixed and general purpose status bits
- * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
- *
- ******************************************************************************/
-acpi_status acpi_hw_clear_acpi_status(void)
-{
- acpi_status status;
- acpi_cpu_flags lock_flags = 0;
-
- 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_event_block.address));
-
- lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
-
- status = acpi_hw_register_write(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_event_block.address) {
- status = acpi_write(ACPI_BITMASK_ALL_FIXED_STATUS,
- &acpi_gbl_FADT.xpm1b_event_block);
- 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, NULL);
-
- unlock_and_exit:
- acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_hw_get_register_bit_mask
- *
- * PARAMETERS: register_id - Index of ACPI Register to access
- *
- * RETURN: The bitmask to be used when accessing the register
- *
- * DESCRIPTION: Map register_id into a register bitmask.
- *
- ******************************************************************************/
-
-struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
-{
- ACPI_FUNCTION_ENTRY();
-
- if (register_id > ACPI_BITREG_MAX) {
- ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
- register_id));
- return (NULL);
- }
-
- return (&acpi_gbl_bit_register_info[register_id]);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_register_read
- *
- * PARAMETERS: register_id - ACPI Register ID
- * return_value - Where the register value is returned
- *
- * RETURN: Status and the value read.
- *
- * DESCRIPTION: Read from the specified ACPI register
- *
- ******************************************************************************/
-acpi_status
-acpi_hw_register_read(u32 register_id, u32 * return_value)
-{
- u32 value1 = 0;
- u32 value2 = 0;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(hw_register_read);
-
- switch (register_id) {
- case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
-
- status = acpi_read(&value1, &acpi_gbl_FADT.xpm1a_event_block);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- /* PM1B is optional */
-
- status = acpi_read(&value2, &acpi_gbl_FADT.xpm1b_event_block);
- value1 |= value2;
- break;
-
- case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
-
- status = acpi_read(&value1, &acpi_gbl_xpm1a_enable);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- /* PM1B is optional */
-
- status = acpi_read(&value2, &acpi_gbl_xpm1b_enable);
- value1 |= value2;
- break;
-
- case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
-
- status = acpi_read(&value1, &acpi_gbl_FADT.xpm1a_control_block);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- status = acpi_read(&value2, &acpi_gbl_FADT.xpm1b_control_block);
- value1 |= value2;
- break;
-
- case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
-
- status = acpi_read(&value1, &acpi_gbl_FADT.xpm2_control_block);
- break;
-
- case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
-
- status = acpi_read(&value1, &acpi_gbl_FADT.xpm_timer_block);
- break;
-
- case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
-
- status =
- acpi_os_read_port(acpi_gbl_FADT.smi_command, &value1, 8);
- break;
-
- default:
- ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
- status = AE_BAD_PARAMETER;
- break;
- }
-
- exit:
-
- if (ACPI_SUCCESS(status)) {
- *return_value = value1;
- }
-
- return_ACPI_STATUS(status);
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_hw_register_write
- *
- * PARAMETERS: register_id - ACPI Register ID
- * Value - The value to write
- *
- * RETURN: Status
- *
- * DESCRIPTION: Write to the specified ACPI register
- *
- * NOTE: In accordance with the ACPI specification, this function automatically
- * preserves the value of the following bits, meaning that these bits cannot be
- * changed via this interface:
- *
- * PM1_CONTROL[0] = SCI_EN
- * PM1_CONTROL[9]
- * PM1_STATUS[11]
- *
- * ACPI References:
- * 1) Hardware Ignored Bits: When software writes to a register with ignored
- * bit fields, it preserves the ignored bit fields
- * 2) SCI_EN: OSPM always preserves this bit position
- *
- ******************************************************************************/
-
-acpi_status acpi_hw_register_write(u32 register_id, u32 value)
-{
- acpi_status status;
- u32 read_value;
-
- ACPI_FUNCTION_TRACE(hw_register_write);
-
- switch (register_id) {
- case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */
-
- /* Perform a read first to preserve certain bits (per ACPI spec) */
-
- status = acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS,
- &read_value);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- /* Insert the bits to be preserved */
-
- ACPI_INSERT_BITS(value, ACPI_PM1_STATUS_PRESERVED_BITS,
- read_value);
-
- /* Now we can write the data */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm1a_event_block);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- /* PM1B is optional */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm1b_event_block);
- break;
-
- case ACPI_REGISTER_PM1_ENABLE: /* 16-bit access */
-
- status = acpi_write(value, &acpi_gbl_xpm1a_enable);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- /* PM1B is optional */
-
- status = acpi_write(value, &acpi_gbl_xpm1b_enable);
- break;
-
- case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */
-
- /*
- * Perform a read first to preserve certain bits (per ACPI spec)
- */
- status = acpi_hw_register_read(ACPI_REGISTER_PM1_CONTROL,
- &read_value);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- /* Insert the bits to be preserved */
-
- ACPI_INSERT_BITS(value, ACPI_PM1_CONTROL_PRESERVED_BITS,
- read_value);
-
- /* Now we can write the data */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm1a_control_block);
- if (ACPI_FAILURE(status)) {
- goto exit;
- }
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm1b_control_block);
- break;
-
- case ACPI_REGISTER_PM1A_CONTROL: /* 16-bit access */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm1a_control_block);
- break;
-
- case ACPI_REGISTER_PM1B_CONTROL: /* 16-bit access */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm1b_control_block);
- break;
-
- case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm2_control_block);
- break;
-
- case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
-
- status = acpi_write(value, &acpi_gbl_FADT.xpm_timer_block);
- break;
-
- 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_command, value, 8);
- break;
-
- default:
- status = AE_BAD_PARAMETER;
- break;
- }
-
- exit:
- return_ACPI_STATUS(status);
-}
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
deleted file mode 100644
index 54dd3ee0760c..000000000000
--- a/drivers/acpi/hardware/hwsleep.c
+++ /dev/null
@@ -1,629 +0,0 @@
-
-/******************************************************************************
- *
- * Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-#include <acpi/actables.h>
-
-#define _COMPONENT ACPI_HARDWARE
-ACPI_MODULE_NAME("hwsleep")
-
-/*******************************************************************************
- *
- * 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)
-
-/*******************************************************************************
- *
- * 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.
- *
- ******************************************************************************/
-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)
-
-/*******************************************************************************
- *
- * 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;
-
- 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);
- }
-
- /* Setup parameter object */
-
- arg_list.count = 1;
- arg_list.pointer = &arg;
-
- arg.type = ACPI_TYPE_INTEGER;
- arg.integer.value = sleep_state;
-
- /* 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);
- }
-
- /* Setup the argument to _SST */
-
- switch (sleep_state) {
- case ACPI_STATE_S0:
- arg.integer.value = ACPI_SST_WORKING;
- break;
-
- case ACPI_STATE_S1:
- case ACPI_STATE_S2:
- case ACPI_STATE_S3:
- arg.integer.value = ACPI_SST_SLEEPING;
- break;
-
- case ACPI_STATE_S4:
- arg.integer.value = ACPI_SST_SLEEP_CONTEXT;
- break;
-
- default:
- arg.integer.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)
- */
- status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- 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
- *
- * 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)
-{
- u32 PM1Acontrol;
- u32 PM1Bcontrol;
- 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);
-
- 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=%X B=%X",
- acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b));
- return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
- }
-
- sleep_type_reg_info =
- acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE_A);
- sleep_enable_reg_info =
- acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_ENABLE);
-
- /* Clear wake status */
-
- 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();
- 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);
- }
-
- /* 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_REGISTER_PM1_CONTROL, &PM1Acontrol);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "Entering sleep state [S%d]\n", sleep_state));
-
- /* Clear SLP_EN and SLP_TYP fields */
-
- PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask |
- sleep_enable_reg_info->access_bit_mask);
- PM1Bcontrol = PM1Acontrol;
-
- /* Insert SLP_TYP bits */
-
- PM1Acontrol |=
- (acpi_gbl_sleep_type_a << sleep_type_reg_info->bit_position);
- PM1Bcontrol |=
- (acpi_gbl_sleep_type_b << sleep_type_reg_info->bit_position);
-
- /*
- * We split the writes of SLP_TYP and SLP_EN to workaround
- * poorly implemented hardware.
- */
-
- /* Write #1: fill in SLP_TYP data */
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
- PM1Acontrol);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
- PM1Bcontrol);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Insert SLP_ENABLE bit */
-
- PM1Acontrol |= sleep_enable_reg_info->access_bit_mask;
- PM1Bcontrol |= sleep_enable_reg_info->access_bit_mask;
-
- /* Write #2: SLP_TYP + SLP_EN */
-
- ACPI_FLUSH_CPU_CACHE();
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
- PM1Acontrol);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1B_CONTROL,
- PM1Bcontrol);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- if (sleep_state > ACPI_STATE_S3) {
- /*
- * We wanted to sleep > S3, but it didn't happen (by virtue of the
- * fact that we are still executing!)
- *
- * Wait ten seconds, then try again. This is to get S4/S5 to work on
- * all machines.
- *
- * We wait so long to allow chipsets that poll this reg very slowly to
- * still read the right value. Ideally, this block would go
- * away entirely.
- */
- acpi_os_stall(10000000);
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
- sleep_enable_reg_info->
- access_bit_mask);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- /* Wait until we enter sleep state */
-
- do {
- status = acpi_get_register_unlocked(ACPI_BITREG_WAKE_STATUS,
- &in_value);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Spin until we wake */
-
- } while (!in_value);
-
- return_ACPI_STATUS(AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
-
-/*******************************************************************************
- *
- * 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);
-
- status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
- 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_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);
- 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
- *
- * 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)
-{
- 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 PM1Acontrol;
- u32 PM1Bcontrol;
-
- ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep);
-
- /*
- * Set SLP_TYPE and SLP_EN to state S0.
- * This is unclear from the ACPI Spec, but it is required
- * by some machines.
- */
- 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_reg_info =
- acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE_A);
- sleep_enable_reg_info =
- acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_ENABLE);
-
- /* Get current value of PM1A 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 |
- sleep_enable_reg_info->
- access_bit_mask);
- PM1Bcontrol = PM1Acontrol;
-
- /* Insert SLP_TYP bits */
-
- PM1Acontrol |=
- (acpi_gbl_sleep_type_a << sleep_type_reg_info->
- bit_position);
- PM1Bcontrol |=
- (acpi_gbl_sleep_type_b << sleep_type_reg_info->
- bit_position);
-
- /* Just ignore any errors */
-
- (void)acpi_hw_register_write(ACPI_REGISTER_PM1A_CONTROL,
- PM1Acontrol);
- (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;
-
- /* 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"));
- }
-
- /*
- * 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
- */
- status = acpi_hw_disable_all_gpes();
- 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? */
-
- /*
- * 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.
- */
- acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
-
- 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);
-
- (void)
- acpi_set_register(acpi_gbl_fixed_event_info
- [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_EXCEPTION((AE_INFO, status, "During Method _SST"));
- }
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state)
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c
deleted file mode 100644
index d1eac2aad728..000000000000
--- a/drivers/acpi/hardware/hwtimer.c
+++ /dev/null
@@ -1,188 +0,0 @@
-
-/******************************************************************************
- *
- * Name: hwtimer.c - ACPI Power Management Timer Interface
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-
-#define _COMPONENT ACPI_HARDWARE
-ACPI_MODULE_NAME("hwtimer")
-
-/******************************************************************************
- *
- * FUNCTION: acpi_get_timer_resolution
- *
- * PARAMETERS: Resolution - Where the resolution is returned
- *
- * RETURN: Status and timer resolution
- *
- * DESCRIPTION: Obtains resolution of the ACPI PM Timer (24 or 32 bits).
- *
- ******************************************************************************/
-acpi_status acpi_get_timer_resolution(u32 * resolution)
-{
- ACPI_FUNCTION_TRACE(acpi_get_timer_resolution);
-
- if (!resolution) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) {
- *resolution = 24;
- } else {
- *resolution = 32;
- }
-
- return_ACPI_STATUS(AE_OK);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution)
-
-/******************************************************************************
- *
- * FUNCTION: acpi_get_timer
- *
- * PARAMETERS: Ticks - Where the timer value is returned
- *
- * RETURN: Status and current timer value (ticks)
- *
- * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks).
- *
- ******************************************************************************/
-acpi_status acpi_get_timer(u32 * ticks)
-{
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(acpi_get_timer);
-
- if (!ticks) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- status =
- acpi_hw_low_level_read(32, ticks, &acpi_gbl_FADT.xpm_timer_block);
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_timer)
-
-/******************************************************************************
- *
- * FUNCTION: acpi_get_timer_duration
- *
- * PARAMETERS: start_ticks - Starting timestamp
- * end_ticks - End timestamp
- * time_elapsed - Where the elapsed time is returned
- *
- * RETURN: Status and time_elapsed
- *
- * DESCRIPTION: Computes the time elapsed (in microseconds) between two
- * PM Timer time stamps, taking into account the possibility of
- * rollovers, the timer resolution, and timer frequency.
- *
- * The PM Timer's clock ticks at roughly 3.6 times per
- * _microsecond_, and its clock continues through Cx state
- * transitions (unlike many CPU timestamp counters) -- making it
- * a versatile and accurate timer.
- *
- * Note that this function accommodates only a single timer
- * rollover. Thus for 24-bit timers, this function should only
- * be used for calculating durations less than ~4.6 seconds
- * (~20 minutes for 32-bit timers) -- calculations below:
- *
- * 2**24 Ticks / 3,600,000 Ticks/Sec = 4.66 sec
- * 2**32 Ticks / 3,600,000 Ticks/Sec = 1193 sec or 19.88 minutes
- *
- ******************************************************************************/
-acpi_status
-acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
-{
- acpi_status status;
- u32 delta_ticks;
- acpi_integer quotient;
-
- ACPI_FUNCTION_TRACE(acpi_get_timer_duration);
-
- if (!time_elapsed) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /*
- * Compute Tick Delta:
- * Handle (max one) timer rollovers on 24-bit versus 32-bit timers.
- */
- if (start_ticks < end_ticks) {
- delta_ticks = end_ticks - start_ticks;
- } else if (start_ticks > end_ticks) {
- if ((acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) == 0) {
-
- /* 24-bit Timer */
-
- delta_ticks =
- (((0x00FFFFFF - start_ticks) +
- end_ticks) & 0x00FFFFFF);
- } else {
- /* 32-bit Timer */
-
- delta_ticks = (0xFFFFFFFF - start_ticks) + end_ticks;
- }
- } else { /* start_ticks == end_ticks */
-
- *time_elapsed = 0;
- return_ACPI_STATUS(AE_OK);
- }
-
- /*
- * Compute Duration (Requires a 64-bit multiply and divide):
- *
- * time_elapsed = (delta_ticks * 1000000) / PM_TIMER_FREQUENCY;
- */
- status = acpi_ut_short_divide(((u64) delta_ticks) * 1000000,
- PM_TIMER_FREQUENCY, &quotient, NULL);
-
- *time_elapsed = (u32) quotient;
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_timer_duration)
diff --git a/drivers/acpi/hardware/hwxface.c b/drivers/acpi/hardware/hwxface.c
deleted file mode 100644
index a4456fc9462d..000000000000
--- a/drivers/acpi/hardware/hwxface.c
+++ /dev/null
@@ -1,593 +0,0 @@
-
-/******************************************************************************
- *
- * Module Name: hwxface - Public ACPICA hardware interfaces
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, 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 <acpi/accommon.h>
-#include <acpi/acnamesp.h>
-
-#define _COMPONENT ACPI_HARDWARE
-ACPI_MODULE_NAME("hwxface")
-
-/******************************************************************************
- *
- * FUNCTION: acpi_reset
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Set reset register in memory or IO space. Note: Does not
- * support reset register in PCI config space, this must be
- * handled separately.
- *
- ******************************************************************************/
-acpi_status acpi_reset(void)
-{
- struct acpi_generic_address *reset_reg;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(acpi_reset);
-
- reset_reg = &acpi_gbl_FADT.reset_register;
-
- /* Check if the reset register is supported */
-
- if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
- !reset_reg->address) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- /* Write the reset value to the reset register */
-
- status = acpi_write(acpi_gbl_FADT.reset_value, reset_reg);
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_reset)
-
-/******************************************************************************
- *
- * FUNCTION: acpi_read
- *
- * PARAMETERS: Value - Where the value is returned
- * Reg - GAS register structure
- *
- * RETURN: Status
- *
- * DESCRIPTION: Read from either memory or IO space.
- *
- ******************************************************************************/
-acpi_status acpi_read(u32 *value, struct acpi_generic_address *reg)
-{
- u32 width;
- u64 address;
- acpi_status status;
-
- ACPI_FUNCTION_NAME(acpi_read);
-
- /*
- * Must have a valid pointer to a GAS structure, and
- * a non-zero address within. However, don't return an error
- * because the PM1A/B code must not fail if B isn't present.
- */
- if (!reg) {
- return (AE_OK);
- }
-
- /* Get a local copy of the address. Handles possible alignment issues */
-
- ACPI_MOVE_64_TO_64(&address, &reg->address);
- if (!address) {
- return (AE_OK);
- }
-
- /* Supported widths are 8/16/32 */
-
- width = reg->bit_width;
- if ((width != 8) && (width != 16) && (width != 32)) {
- return (AE_SUPPORT);
- }
-
- /* Initialize entire 32-bit return value to zero */
-
- *value = 0;
-
- /*
- * Two address spaces supported: Memory or IO.
- * PCI_Config is not supported here because the GAS struct is insufficient
- */
- switch (reg->space_id) {
- case ACPI_ADR_SPACE_SYSTEM_MEMORY:
-
- 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);
- break;
-
- default:
- ACPI_ERROR((AE_INFO,
- "Unsupported address space: %X", reg->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->space_id)));
-
- return (status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_read)
-
-/******************************************************************************
- *
- * FUNCTION: acpi_write
- *
- * PARAMETERS: Value - To be written
- * Reg - GAS register structure
- *
- * RETURN: Status
- *
- * DESCRIPTION: Write to either memory or IO space.
- *
- ******************************************************************************/
-acpi_status acpi_write(u32 value, struct acpi_generic_address *reg)
-{
- u32 width;
- u64 address;
- acpi_status status;
-
- ACPI_FUNCTION_NAME(acpi_write);
-
- /*
- * Must have a valid pointer to a GAS structure, and
- * a non-zero address within. However, don't return an error
- * because the PM1A/B code must not fail if B isn't present.
- */
- if (!reg) {
- return (AE_OK);
- }
-
- /* Get a local copy of the address. Handles possible alignment issues */
-
- ACPI_MOVE_64_TO_64(&address, &reg->address);
- if (!address) {
- return (AE_OK);
- }
-
- /* Supported widths are 8/16/32 */
-
- width = reg->bit_width;
- if ((width != 8) && (width != 16) && (width != 32)) {
- return (AE_SUPPORT);
- }
-
- /*
- * Two address spaces supported: Memory or IO.
- * PCI_Config is not supported here because the GAS struct is insufficient
- */
- switch (reg->space_id) {
- case ACPI_ADR_SPACE_SYSTEM_MEMORY:
-
- 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);
- break;
-
- default:
- ACPI_ERROR((AE_INFO,
- "Unsupported address space: %X", reg->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->space_id)));
-
- return (status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_write)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_get_register_unlocked
- *
- * PARAMETERS: register_id - ID of ACPI bit_register to access
- * return_value - Value that was read from the register
- *
- * RETURN: Status and the value read from specified Register. Value
- * returned is normalized to bit0 (is shifted all the way right)
- *
- * DESCRIPTION: ACPI bit_register read function. Does not acquire the HW lock.
- *
- ******************************************************************************/
-acpi_status acpi_get_register_unlocked(u32 register_id, u32 *return_value)
-{
- u32 register_value = 0;
- struct acpi_bit_register_info *bit_reg_info;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(acpi_get_register_unlocked);
-
- /* Get the info structure corresponding to the requested ACPI Register */
-
- bit_reg_info = acpi_hw_get_bit_register_info(register_id);
- if (!bit_reg_info) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Read from the register */
-
- status = acpi_hw_register_read(bit_reg_info->parent_register,
- &register_value);
-
- 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);
-
- *return_value = register_value;
-
- ACPI_DEBUG_PRINT((ACPI_DB_IO, "Read value %8.8X register %X\n",
- register_value,
- bit_reg_info->parent_register));
- }
-
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_register_unlocked)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_get_register
- *
- * PARAMETERS: register_id - ID of ACPI bit_register to access
- * return_value - Value that was read from the register
- *
- * RETURN: Status and the value read from specified Register. Value
- * returned is normalized to bit0 (is shifted all the way right)
- *
- * DESCRIPTION: ACPI bit_register read function.
- *
- ******************************************************************************/
-acpi_status acpi_get_register(u32 register_id, u32 *return_value)
-{
- acpi_status status;
- acpi_cpu_flags flags;
-
- flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
- status = acpi_get_register_unlocked(register_id, return_value);
- acpi_os_release_lock(acpi_gbl_hardware_lock, flags);
-
- return (status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_register)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_set_register
- *
- * PARAMETERS: register_id - ID of ACPI bit_register to access
- * Value - (only used on write) value to write to the
- * Register, NOT pre-normalized to the bit pos
- *
- * RETURN: Status
- *
- * DESCRIPTION: ACPI Bit Register write function.
- *
- ******************************************************************************/
-acpi_status acpi_set_register(u32 register_id, u32 value)
-{
- u32 register_value = 0;
- struct acpi_bit_register_info *bit_reg_info;
- acpi_status status;
- acpi_cpu_flags lock_flags;
-
- 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);
- if (!bit_reg_info) {
- ACPI_ERROR((AE_INFO, "Bad ACPI HW RegisterId: %X",
- register_id));
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
-
- /* Always do a register read first so we can insert the new bits */
-
- status = acpi_hw_register_read(bit_reg_info->parent_register,
- &register_value);
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
-
- /*
- * Decode the Register ID
- * Register ID = [Register block ID] | [bit ID]
- *
- * Check bit ID to fine locate Register offset.
- * Check Mask to determine Register offset, and then read-write.
- */
- switch (bit_reg_info->parent_register) {
- case ACPI_REGISTER_PM1_STATUS:
-
- /*
- * Status Registers are different from the rest. Clear by
- * writing 1, and writing 0 has no effect. So, the only relevant
- * 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);
- if (value) {
- status =
- acpi_hw_register_write(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);
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1_ENABLE,
- (u16) register_value);
- break;
-
- case ACPI_REGISTER_PM1_CONTROL:
-
- /*
- * Write the PM1 Control register.
- * 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_REGISTER_INSERT_VALUE(register_value,
- bit_reg_info->bit_position,
- bit_reg_info->access_bit_mask,
- value);
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
- (u16) register_value);
- break;
-
- case ACPI_REGISTER_PM2_CONTROL:
-
- status = acpi_hw_register_read(ACPI_REGISTER_PM2_CONTROL,
- &register_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_control_block.
- 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_control_block.
- address)));
-
- status = acpi_hw_register_write(ACPI_REGISTER_PM2_CONTROL,
- (u8) (register_value));
- break;
-
- default:
- break;
- }
-
- unlock_and_exit:
-
- acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
-
- /* 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_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_EXPORT_SYMBOL(acpi_set_register)
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_get_sleep_type_data
- *
- * PARAMETERS: sleep_state - Numeric sleep state
- * *sleep_type_a - Where SLP_TYPa is returned
- * *sleep_type_b - Where SLP_TYPb is returned
- *
- * RETURN: Status - ACPI status
- *
- * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested sleep
- * state.
- *
- ******************************************************************************/
-acpi_status
-acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
-{
- acpi_status status = AE_OK;
- struct acpi_evaluate_info *info;
-
- ACPI_FUNCTION_TRACE(acpi_get_sleep_type_data);
-
- /* Validate parameters */
-
- if ((sleep_state > ACPI_S_STATES_MAX) || !sleep_type_a || !sleep_type_b) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- /* Allocate the evaluation information block */
-
- info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
- if (!info) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- info->pathname =
- ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
-
- /* Evaluate the namespace object containing the values for this state */
-
- status = acpi_ns_evaluate(info);
- if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "%s while evaluating SleepState [%s]\n",
- acpi_format_exception(status),
- info->pathname));
-
- goto cleanup;
- }
-
- /* Must have a return object */
-
- if (!info->return_object) {
- ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
- info->pathname));
- status = AE_NOT_EXIST;
- }
-
- /* It must be of type Package */
-
- 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. 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_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_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;
- }
-
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status,
- "While evaluating SleepState [%s], bad Sleep object %p type %s",
- info->pathname, info->return_object,
- acpi_ut_get_object_type_name(info->
- return_object)));
- }
-
- acpi_ut_remove_reference(info->return_object);
-
- cleanup:
- ACPI_FREE(info);
- return_ACPI_STATUS(status);
-}
-
-ACPI_EXPORT_SYMBOL(acpi_get_sleep_type_data)