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-rw-r--r--drivers/acpi/sleep/Makefile5
-rw-r--r--drivers/acpi/sleep/main.c658
-rw-r--r--drivers/acpi/sleep/proc.c526
-rw-r--r--drivers/acpi/sleep/sleep.h7
-rw-r--r--drivers/acpi/sleep/wakeup.c173
5 files changed, 0 insertions, 1369 deletions
diff --git a/drivers/acpi/sleep/Makefile b/drivers/acpi/sleep/Makefile
deleted file mode 100644
index f1fb888c2d2..00000000000
--- a/drivers/acpi/sleep/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-obj-y := wakeup.o
-obj-y += main.o
-obj-$(CONFIG_ACPI_SLEEP) += proc.o
-
-EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
deleted file mode 100644
index 80c0868d048..00000000000
--- a/drivers/acpi/sleep/main.c
+++ /dev/null
@@ -1,658 +0,0 @@
-/*
- * sleep.c - ACPI sleep support.
- *
- * Copyright (c) 2005 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
- * Copyright (c) 2004 David Shaohua Li <shaohua.li@intel.com>
- * Copyright (c) 2000-2003 Patrick Mochel
- * Copyright (c) 2003 Open Source Development Lab
- *
- * This file is released under the GPLv2.
- *
- */
-
-#include <linux/delay.h>
-#include <linux/irq.h>
-#include <linux/dmi.h>
-#include <linux/device.h>
-#include <linux/suspend.h>
-#include <linux/reboot.h>
-
-#include <asm/io.h>
-
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include "sleep.h"
-
-u8 sleep_states[ACPI_S_STATE_COUNT];
-
-static void acpi_sleep_tts_switch(u32 acpi_state)
-{
- union acpi_object in_arg = { ACPI_TYPE_INTEGER };
- struct acpi_object_list arg_list = { 1, &in_arg };
- acpi_status status = AE_OK;
-
- in_arg.integer.value = acpi_state;
- status = acpi_evaluate_object(NULL, "\\_TTS", &arg_list, NULL);
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- /*
- * OS can't evaluate the _TTS object correctly. Some warning
- * message will be printed. But it won't break anything.
- */
- printk(KERN_NOTICE "Failure in evaluating _TTS object\n");
- }
-}
-
-static int tts_notify_reboot(struct notifier_block *this,
- unsigned long code, void *x)
-{
- acpi_sleep_tts_switch(ACPI_STATE_S5);
- return NOTIFY_DONE;
-}
-
-static struct notifier_block tts_notifier = {
- .notifier_call = tts_notify_reboot,
- .next = NULL,
- .priority = 0,
-};
-
-static int acpi_sleep_prepare(u32 acpi_state)
-{
-#ifdef CONFIG_ACPI_SLEEP
- /* do we have a wakeup address for S2 and S3? */
- if (acpi_state == ACPI_STATE_S3) {
- if (!acpi_wakeup_address) {
- return -EFAULT;
- }
- acpi_set_firmware_waking_vector(
- (acpi_physical_address)acpi_wakeup_address);
-
- }
- ACPI_FLUSH_CPU_CACHE();
- acpi_enable_wakeup_device_prep(acpi_state);
-#endif
- printk(KERN_INFO PREFIX "Preparing to enter system sleep state S%d\n",
- acpi_state);
- acpi_enter_sleep_state_prep(acpi_state);
- return 0;
-}
-
-#ifdef CONFIG_ACPI_SLEEP
-static u32 acpi_target_sleep_state = ACPI_STATE_S0;
-/*
- * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
- * user to request that behavior by using the 'acpi_old_suspend_ordering'
- * kernel command line option that causes the following variable to be set.
- */
-static bool old_suspend_ordering;
-
-void __init acpi_old_suspend_ordering(void)
-{
- old_suspend_ordering = true;
-}
-
-/**
- * acpi_pm_disable_gpes - Disable the GPEs.
- */
-static int acpi_pm_disable_gpes(void)
-{
- acpi_hw_disable_all_gpes();
- return 0;
-}
-
-/**
- * __acpi_pm_prepare - Prepare the platform to enter the target state.
- *
- * If necessary, set the firmware waking vector and do arch-specific
- * nastiness to get the wakeup code to the waking vector.
- */
-static int __acpi_pm_prepare(void)
-{
- int error = acpi_sleep_prepare(acpi_target_sleep_state);
-
- if (error)
- acpi_target_sleep_state = ACPI_STATE_S0;
- return error;
-}
-
-/**
- * acpi_pm_prepare - Prepare the platform to enter the target sleep
- * state and disable the GPEs.
- */
-static int acpi_pm_prepare(void)
-{
- int error = __acpi_pm_prepare();
-
- if (!error)
- acpi_hw_disable_all_gpes();
- return error;
-}
-
-/**
- * acpi_pm_finish - Instruct the platform to leave a sleep state.
- *
- * This is called after we wake back up (or if entering the sleep state
- * failed).
- */
-static void acpi_pm_finish(void)
-{
- u32 acpi_state = acpi_target_sleep_state;
-
- if (acpi_state == ACPI_STATE_S0)
- return;
-
- printk(KERN_INFO PREFIX "Waking up from system sleep state S%d\n",
- acpi_state);
- acpi_disable_wakeup_device(acpi_state);
- acpi_leave_sleep_state(acpi_state);
-
- /* reset firmware waking vector */
- acpi_set_firmware_waking_vector((acpi_physical_address) 0);
-
- acpi_target_sleep_state = ACPI_STATE_S0;
-}
-
-/**
- * acpi_pm_end - Finish up suspend sequence.
- */
-static void acpi_pm_end(void)
-{
- /*
- * This is necessary in case acpi_pm_finish() is not called during a
- * failing transition to a sleep state.
- */
- acpi_target_sleep_state = ACPI_STATE_S0;
- acpi_sleep_tts_switch(acpi_target_sleep_state);
-}
-#else /* !CONFIG_ACPI_SLEEP */
-#define acpi_target_sleep_state ACPI_STATE_S0
-#endif /* CONFIG_ACPI_SLEEP */
-
-#ifdef CONFIG_SUSPEND
-extern void do_suspend_lowlevel(void);
-
-static u32 acpi_suspend_states[] = {
- [PM_SUSPEND_ON] = ACPI_STATE_S0,
- [PM_SUSPEND_STANDBY] = ACPI_STATE_S1,
- [PM_SUSPEND_MEM] = ACPI_STATE_S3,
- [PM_SUSPEND_MAX] = ACPI_STATE_S5
-};
-
-/**
- * acpi_suspend_begin - Set the target system sleep state to the state
- * associated with given @pm_state, if supported.
- */
-static int acpi_suspend_begin(suspend_state_t pm_state)
-{
- u32 acpi_state = acpi_suspend_states[pm_state];
- int error = 0;
-
- if (sleep_states[acpi_state]) {
- acpi_target_sleep_state = acpi_state;
- acpi_sleep_tts_switch(acpi_target_sleep_state);
- } else {
- printk(KERN_ERR "ACPI does not support this state: %d\n",
- pm_state);
- error = -ENOSYS;
- }
- return error;
-}
-
-/**
- * acpi_suspend_enter - Actually enter a sleep state.
- * @pm_state: ignored
- *
- * Flush caches and go to sleep. For STR we have to call arch-specific
- * assembly, which in turn call acpi_enter_sleep_state().
- * It's unfortunate, but it works. Please fix if you're feeling frisky.
- */
-static int acpi_suspend_enter(suspend_state_t pm_state)
-{
- acpi_status status = AE_OK;
- unsigned long flags = 0;
- u32 acpi_state = acpi_target_sleep_state;
-
- ACPI_FLUSH_CPU_CACHE();
-
- /* Do arch specific saving of state. */
- if (acpi_state == ACPI_STATE_S3) {
- int error = acpi_save_state_mem();
-
- if (error)
- return error;
- }
-
- local_irq_save(flags);
- acpi_enable_wakeup_device(acpi_state);
- switch (acpi_state) {
- case ACPI_STATE_S1:
- barrier();
- status = acpi_enter_sleep_state(acpi_state);
- break;
-
- case ACPI_STATE_S3:
- do_suspend_lowlevel();
- break;
- }
-
- /* If ACPI is not enabled by the BIOS, we need to enable it here. */
- acpi_enable();
- /* Reprogram control registers and execute _BFS */
- acpi_leave_sleep_state_prep(acpi_state);
-
- /* ACPI 3.0 specs (P62) says that it's the responsibility
- * of the OSPM to clear the status bit [ implying that the
- * POWER_BUTTON event should not reach userspace ]
- */
- if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
- acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
-
- /*
- * Disable and clear GPE status before interrupt is enabled. Some GPEs
- * (like wakeup GPE) haven't handler, this can avoid such GPE misfire.
- * acpi_leave_sleep_state will reenable specific GPEs later
- */
- acpi_hw_disable_all_gpes();
-
- local_irq_restore(flags);
- printk(KERN_DEBUG "Back to C!\n");
-
- /* restore processor state */
- if (acpi_state == ACPI_STATE_S3)
- acpi_restore_state_mem();
-
- return ACPI_SUCCESS(status) ? 0 : -EFAULT;
-}
-
-static int acpi_suspend_state_valid(suspend_state_t pm_state)
-{
- u32 acpi_state;
-
- switch (pm_state) {
- case PM_SUSPEND_ON:
- case PM_SUSPEND_STANDBY:
- case PM_SUSPEND_MEM:
- acpi_state = acpi_suspend_states[pm_state];
-
- return sleep_states[acpi_state];
- default:
- return 0;
- }
-}
-
-static struct platform_suspend_ops acpi_suspend_ops = {
- .valid = acpi_suspend_state_valid,
- .begin = acpi_suspend_begin,
- .prepare = acpi_pm_prepare,
- .enter = acpi_suspend_enter,
- .finish = acpi_pm_finish,
- .end = acpi_pm_end,
-};
-
-/**
- * acpi_suspend_begin_old - Set the target system sleep state to the
- * state associated with given @pm_state, if supported, and
- * execute the _PTS control method. This function is used if the
- * pre-ACPI 2.0 suspend ordering has been requested.
- */
-static int acpi_suspend_begin_old(suspend_state_t pm_state)
-{
- int error = acpi_suspend_begin(pm_state);
-
- if (!error)
- error = __acpi_pm_prepare();
- return error;
-}
-
-/*
- * The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
- * been requested.
- */
-static struct platform_suspend_ops acpi_suspend_ops_old = {
- .valid = acpi_suspend_state_valid,
- .begin = acpi_suspend_begin_old,
- .prepare = acpi_pm_disable_gpes,
- .enter = acpi_suspend_enter,
- .finish = acpi_pm_finish,
- .end = acpi_pm_end,
- .recover = acpi_pm_finish,
-};
-
-static int __init init_old_suspend_ordering(const struct dmi_system_id *d)
-{
- old_suspend_ordering = true;
- return 0;
-}
-
-static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
- {
- .callback = init_old_suspend_ordering,
- .ident = "Abit KN9 (nForce4 variant)",
- .matches = {
- DMI_MATCH(DMI_BOARD_VENDOR, "http://www.abit.com.tw/"),
- DMI_MATCH(DMI_BOARD_NAME, "KN9 Series(NF-CK804)"),
- },
- },
- {
- .callback = init_old_suspend_ordering,
- .ident = "HP xw4600 Workstation",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP xw4600 Workstation"),
- },
- },
- {},
-};
-#endif /* CONFIG_SUSPEND */
-
-#ifdef CONFIG_HIBERNATION
-static unsigned long s4_hardware_signature;
-static struct acpi_table_facs *facs;
-static bool nosigcheck;
-
-void __init acpi_no_s4_hw_signature(void)
-{
- nosigcheck = true;
-}
-
-static int acpi_hibernation_begin(void)
-{
- acpi_target_sleep_state = ACPI_STATE_S4;
- acpi_sleep_tts_switch(acpi_target_sleep_state);
- return 0;
-}
-
-static int acpi_hibernation_enter(void)
-{
- acpi_status status = AE_OK;
- unsigned long flags = 0;
-
- ACPI_FLUSH_CPU_CACHE();
-
- local_irq_save(flags);
- acpi_enable_wakeup_device(ACPI_STATE_S4);
- /* This shouldn't return. If it returns, we have a problem */
- status = acpi_enter_sleep_state(ACPI_STATE_S4);
- /* Reprogram control registers and execute _BFS */
- acpi_leave_sleep_state_prep(ACPI_STATE_S4);
- local_irq_restore(flags);
-
- return ACPI_SUCCESS(status) ? 0 : -EFAULT;
-}
-
-static void acpi_hibernation_leave(void)
-{
- /*
- * If ACPI is not enabled by the BIOS and the boot kernel, we need to
- * enable it here.
- */
- acpi_enable();
- /* Reprogram control registers and execute _BFS */
- acpi_leave_sleep_state_prep(ACPI_STATE_S4);
- /* Check the hardware signature */
- if (facs && s4_hardware_signature != facs->hardware_signature) {
- printk(KERN_EMERG "ACPI: Hardware changed while hibernated, "
- "cannot resume!\n");
- panic("ACPI S4 hardware signature mismatch");
- }
-}
-
-static void acpi_pm_enable_gpes(void)
-{
- acpi_hw_enable_all_runtime_gpes();
-}
-
-static struct platform_hibernation_ops acpi_hibernation_ops = {
- .begin = acpi_hibernation_begin,
- .end = acpi_pm_end,
- .pre_snapshot = acpi_pm_prepare,
- .finish = acpi_pm_finish,
- .prepare = acpi_pm_prepare,
- .enter = acpi_hibernation_enter,
- .leave = acpi_hibernation_leave,
- .pre_restore = acpi_pm_disable_gpes,
- .restore_cleanup = acpi_pm_enable_gpes,
-};
-
-/**
- * acpi_hibernation_begin_old - Set the target system sleep state to
- * ACPI_STATE_S4 and execute the _PTS control method. This
- * function is used if the pre-ACPI 2.0 suspend ordering has been
- * requested.
- */
-static int acpi_hibernation_begin_old(void)
-{
- int error;
- /*
- * The _TTS object should always be evaluated before the _PTS object.
- * When the old_suspended_ordering is true, the _PTS object is
- * evaluated in the acpi_sleep_prepare.
- */
- acpi_sleep_tts_switch(ACPI_STATE_S4);
-
- error = acpi_sleep_prepare(ACPI_STATE_S4);
-
- if (!error)
- acpi_target_sleep_state = ACPI_STATE_S4;
- return error;
-}
-
-/*
- * The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
- * been requested.
- */
-static struct platform_hibernation_ops acpi_hibernation_ops_old = {
- .begin = acpi_hibernation_begin_old,
- .end = acpi_pm_end,
- .pre_snapshot = acpi_pm_disable_gpes,
- .finish = acpi_pm_finish,
- .prepare = acpi_pm_disable_gpes,
- .enter = acpi_hibernation_enter,
- .leave = acpi_hibernation_leave,
- .pre_restore = acpi_pm_disable_gpes,
- .restore_cleanup = acpi_pm_enable_gpes,
- .recover = acpi_pm_finish,
-};
-#endif /* CONFIG_HIBERNATION */
-
-int acpi_suspend(u32 acpi_state)
-{
- suspend_state_t states[] = {
- [1] = PM_SUSPEND_STANDBY,
- [3] = PM_SUSPEND_MEM,
- [5] = PM_SUSPEND_MAX
- };
-
- if (acpi_state < 6 && states[acpi_state])
- return pm_suspend(states[acpi_state]);
- if (acpi_state == 4)
- return hibernate();
- return -EINVAL;
-}
-
-#ifdef CONFIG_PM_SLEEP
-/**
- * acpi_pm_device_sleep_state - return preferred power state of ACPI device
- * in the system sleep state given by %acpi_target_sleep_state
- * @dev: device to examine; its driver model wakeup flags control
- * whether it should be able to wake up the system
- * @d_min_p: used to store the upper limit of allowed states range
- * Return value: preferred power state of the device on success, -ENODEV on
- * failure (ie. if there's no 'struct acpi_device' for @dev)
- *
- * Find the lowest power (highest number) ACPI device power state that
- * device @dev can be in while the system is in the sleep state represented
- * by %acpi_target_sleep_state. If @wake is nonzero, the device should be
- * able to wake up the system from this sleep state. If @d_min_p is set,
- * the highest power (lowest number) device power state of @dev allowed
- * in this system sleep state is stored at the location pointed to by it.
- *
- * The caller must ensure that @dev is valid before using this function.
- * The caller is also responsible for figuring out if the device is
- * supposed to be able to wake up the system and passing this information
- * via @wake.
- */
-
-int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
-{
- acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
- struct acpi_device *adev;
- char acpi_method[] = "_SxD";
- unsigned long long d_min, d_max;
-
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
- printk(KERN_DEBUG "ACPI handle has no context!\n");
- return -ENODEV;
- }
-
- acpi_method[2] = '0' + acpi_target_sleep_state;
- /*
- * If the sleep state is S0, we will return D3, but if the device has
- * _S0W, we will use the value from _S0W
- */
- d_min = ACPI_STATE_D0;
- d_max = ACPI_STATE_D3;
-
- /*
- * If present, _SxD methods return the minimum D-state (highest power
- * state) we can use for the corresponding S-states. Otherwise, the
- * minimum D-state is D0 (ACPI 3.x).
- *
- * NOTE: We rely on acpi_evaluate_integer() not clobbering the integer
- * provided -- that's our fault recovery, we ignore retval.
- */
- if (acpi_target_sleep_state > ACPI_STATE_S0)
- acpi_evaluate_integer(handle, acpi_method, NULL, &d_min);
-
- /*
- * If _PRW says we can wake up the system from the target sleep state,
- * the D-state returned by _SxD is sufficient for that (we assume a
- * wakeup-aware driver if wake is set). Still, if _SxW exists
- * (ACPI 3.x), it should return the maximum (lowest power) D-state that
- * can wake the system. _S0W may be valid, too.
- */
- if (acpi_target_sleep_state == ACPI_STATE_S0 ||
- (device_may_wakeup(dev) && adev->wakeup.state.enabled &&
- adev->wakeup.sleep_state <= acpi_target_sleep_state)) {
- acpi_status status;
-
- acpi_method[3] = 'W';
- status = acpi_evaluate_integer(handle, acpi_method, NULL,
- &d_max);
- if (ACPI_FAILURE(status)) {
- d_max = d_min;
- } else if (d_max < d_min) {
- /* Warn the user of the broken DSDT */
- printk(KERN_WARNING "ACPI: Wrong value from %s\n",
- acpi_method);
- /* Sanitize it */
- d_min = d_max;
- }
- }
-
- if (d_min_p)
- *d_min_p = d_min;
- return d_max;
-}
-
-/**
- * acpi_pm_device_sleep_wake - enable or disable the system wake-up
- * capability of given device
- * @dev: device to handle
- * @enable: 'true' - enable, 'false' - disable the wake-up capability
- */
-int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
-{
- acpi_handle handle;
- struct acpi_device *adev;
-
- if (!device_may_wakeup(dev))
- return -EINVAL;
-
- handle = DEVICE_ACPI_HANDLE(dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
- printk(KERN_DEBUG "ACPI handle has no context!\n");
- return -ENODEV;
- }
-
- return enable ?
- acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
- acpi_disable_wakeup_device_power(adev);
-}
-#endif
-
-static void acpi_power_off_prepare(void)
-{
- /* Prepare to power off the system */
- acpi_sleep_prepare(ACPI_STATE_S5);
- acpi_hw_disable_all_gpes();
-}
-
-static void acpi_power_off(void)
-{
- /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
- printk("%s called\n", __func__);
- local_irq_disable();
- acpi_enable_wakeup_device(ACPI_STATE_S5);
- acpi_enter_sleep_state(ACPI_STATE_S5);
-}
-
-int __init acpi_sleep_init(void)
-{
- acpi_status status;
- u8 type_a, type_b;
-#ifdef CONFIG_SUSPEND
- int i = 0;
-
- dmi_check_system(acpisleep_dmi_table);
-#endif
-
- if (acpi_disabled)
- return 0;
-
- sleep_states[ACPI_STATE_S0] = 1;
- printk(KERN_INFO PREFIX "(supports S0");
-
-#ifdef CONFIG_SUSPEND
- for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) {
- status = acpi_get_sleep_type_data(i, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- sleep_states[i] = 1;
- printk(" S%d", i);
- }
- }
-
- suspend_set_ops(old_suspend_ordering ?
- &acpi_suspend_ops_old : &acpi_suspend_ops);
-#endif
-
-#ifdef CONFIG_HIBERNATION
- status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- hibernation_set_ops(old_suspend_ordering ?
- &acpi_hibernation_ops_old : &acpi_hibernation_ops);
- sleep_states[ACPI_STATE_S4] = 1;
- printk(" S4");
- if (!nosigcheck) {
- acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
- (struct acpi_table_header **)&facs);
- if (facs)
- s4_hardware_signature =
- facs->hardware_signature;
- }
- }
-#endif
- status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- sleep_states[ACPI_STATE_S5] = 1;
- printk(" S5");
- pm_power_off_prepare = acpi_power_off_prepare;
- pm_power_off = acpi_power_off;
- }
- printk(")\n");
- /*
- * Register the tts_notifier to reboot notifier list so that the _TTS
- * object can also be evaluated when the system enters S5.
- */
- register_reboot_notifier(&tts_notifier);
- return 0;
-}
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
deleted file mode 100644
index 631ee2ee2ca..00000000000
--- a/drivers/acpi/sleep/proc.c
+++ /dev/null
@@ -1,526 +0,0 @@
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/suspend.h>
-#include <linux/bcd.h>
-#include <asm/uaccess.h>
-
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#ifdef CONFIG_X86
-#include <linux/mc146818rtc.h>
-#endif
-
-#include "sleep.h"
-
-#define _COMPONENT ACPI_SYSTEM_COMPONENT
-
-/*
- * this file provides support for:
- * /proc/acpi/sleep
- * /proc/acpi/alarm
- * /proc/acpi/wakeup
- */
-
-ACPI_MODULE_NAME("sleep")
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
-{
- int i;
-
- ACPI_FUNCTION_TRACE("acpi_system_sleep_seq_show");
-
- for (i = 0; i <= ACPI_STATE_S5; i++) {
- if (sleep_states[i]) {
- seq_printf(seq, "S%d ", i);
- }
- }
-
- seq_puts(seq, "\n");
-
- return 0;
-}
-
-static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
-}
-
-static ssize_t
-acpi_system_write_sleep(struct file *file,
- const char __user * buffer, size_t count, loff_t * ppos)
-{
- char str[12];
- u32 state = 0;
- int error = 0;
-
- if (count > sizeof(str) - 1)
- goto Done;
- memset(str, 0, sizeof(str));
- if (copy_from_user(str, buffer, count))
- return -EFAULT;
-
- /* Check for S4 bios request */
- if (!strcmp(str, "4b")) {
- error = acpi_suspend(4);
- goto Done;
- }
- state = simple_strtoul(str, NULL, 0);
-#ifdef CONFIG_HIBERNATION
- if (state == 4) {
- error = hibernate();
- goto Done;
- }
-#endif
- error = acpi_suspend(state);
- Done:
- return error ? error : count;
-}
-#endif /* CONFIG_ACPI_PROCFS */
-
-#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86)
-/* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
-#else
-#define HAVE_ACPI_LEGACY_ALARM
-#endif
-
-#ifdef HAVE_ACPI_LEGACY_ALARM
-
-static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
-{
- u32 sec, min, hr;
- u32 day, mo, yr, cent = 0;
- unsigned char rtc_control = 0;
- unsigned long flags;
-
- ACPI_FUNCTION_TRACE("acpi_system_alarm_seq_show");
-
- spin_lock_irqsave(&rtc_lock, flags);
-
- sec = CMOS_READ(RTC_SECONDS_ALARM);
- min = CMOS_READ(RTC_MINUTES_ALARM);
- hr = CMOS_READ(RTC_HOURS_ALARM);
- rtc_control = CMOS_READ(RTC_CONTROL);
-
- /* If we ever get an FACP with proper values... */
- if (acpi_gbl_FADT.day_alarm)
- /* ACPI spec: only low 6 its should be cared */
- day = CMOS_READ(acpi_gbl_FADT.day_alarm) & 0x3F;
- else
- day = CMOS_READ(RTC_DAY_OF_MONTH);
- if (acpi_gbl_FADT.month_alarm)
- mo = CMOS_READ(acpi_gbl_FADT.month_alarm);
- else
- mo = CMOS_READ(RTC_MONTH);
- if (acpi_gbl_FADT.century)
- cent = CMOS_READ(acpi_gbl_FADT.century);
-
- yr = CMOS_READ(RTC_YEAR);
-
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- sec = bcd2bin(sec);
- min = bcd2bin(min);
- hr = bcd2bin(hr);
- day = bcd2bin(day);
- mo = bcd2bin(mo);
- yr = bcd2bin(yr);
- cent = bcd2bin(cent);
- }
-
- /* we're trusting the FADT (see above) */
- if (!acpi_gbl_FADT.century)
- /* If we're not trusting the FADT, we should at least make it
- * right for _this_ century... ehm, what is _this_ century?
- *
- * TBD:
- * ASAP: find piece of code in the kernel, e.g. star tracker driver,
- * which we can trust to determine the century correctly. Atom
- * watch driver would be nice, too...
- *
- * if that has not happened, change for first release in 2050:
- * if (yr<50)
- * yr += 2100;
- * else
- * yr += 2000; // current line of code
- *
- * if that has not happened either, please do on 2099/12/31:23:59:59
- * s/2000/2100
- *
- */
- yr += 2000;
- else
- yr += cent * 100;
-
- seq_printf(seq, "%4.4u-", yr);
- (mo > 12) ? seq_puts(seq, "**-") : seq_printf(seq, "%2.2u-", mo);
- (day > 31) ? seq_puts(seq, "** ") : seq_printf(seq, "%2.2u ", day);
- (hr > 23) ? seq_puts(seq, "**:") : seq_printf(seq, "%2.2u:", hr);
- (min > 59) ? seq_puts(seq, "**:") : seq_printf(seq, "%2.2u:", min);
- (sec > 59) ? seq_puts(seq, "**\n") : seq_printf(seq, "%2.2u\n", sec);
-
- return 0;
-}
-
-static int acpi_system_alarm_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_alarm_seq_show, PDE(inode)->data);
-}
-
-static int get_date_field(char **p, u32 * value)
-{
- char *next = NULL;
- char *string_end = NULL;
- int result = -EINVAL;
-
- /*
- * Try to find delimeter, only to insert null. The end of the
- * string won't have one, but is still valid.
- */
- if (*p == NULL)
- return result;
-
- next = strpbrk(*p, "- :");
- if (next)
- *next++ = '\0';
-
- *value = simple_strtoul(*p, &string_end, 10);
-
- /* Signal success if we got a good digit */
- if (string_end != *p)
- result = 0;
-
- if (next)
- *p = next;
- else
- *p = NULL;
-
- return result;
-}
-
-/* Read a possibly BCD register, always return binary */
-static u32 cmos_bcd_read(int offset, int rtc_control)
-{
- u32 val = CMOS_READ(offset);
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- val = bcd2bin(val);
- return val;
-}
-
-/* Write binary value into possibly BCD register */
-static void cmos_bcd_write(u32 val, int offset, int rtc_control)
-{
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- val = bin2bcd(val);
- CMOS_WRITE(val, offset);
-}
-
-static ssize_t
-acpi_system_write_alarm(struct file *file,
- const char __user * buffer, size_t count, loff_t * ppos)
-{
- int result = 0;
- char alarm_string[30] = { '\0' };
- char *p = alarm_string;
- u32 sec, min, hr, day, mo, yr;
- int adjust = 0;
- unsigned char rtc_control = 0;
-
- ACPI_FUNCTION_TRACE("acpi_system_write_alarm");
-
- if (count > sizeof(alarm_string) - 1)
- return_VALUE(-EINVAL);
-
- if (copy_from_user(alarm_string, buffer, count))
- return_VALUE(-EFAULT);
-
- alarm_string[count] = '\0';
-
- /* check for time adjustment */
- if (alarm_string[0] == '+') {
- p++;
- adjust = 1;
- }
-
- if ((result = get_date_field(&p, &yr)))
- goto end;
- if ((result = get_date_field(&p, &mo)))
- goto end;
- if ((result = get_date_field(&p, &day)))
- goto end;
- if ((result = get_date_field(&p, &hr)))
- goto end;
- if ((result = get_date_field(&p, &min)))
- goto end;
- if ((result = get_date_field(&p, &sec)))
- goto end;
-
- spin_lock_irq(&rtc_lock);
-
- rtc_control = CMOS_READ(RTC_CONTROL);
-
- if (adjust) {
- yr += cmos_bcd_read(RTC_YEAR, rtc_control);
- mo += cmos_bcd_read(RTC_MONTH, rtc_control);
- day += cmos_bcd_read(RTC_DAY_OF_MONTH, rtc_control);
- hr += cmos_bcd_read(RTC_HOURS, rtc_control);
- min += cmos_bcd_read(RTC_MINUTES, rtc_control);
- sec += cmos_bcd_read(RTC_SECONDS, rtc_control);
- }
-
- spin_unlock_irq(&rtc_lock);
-
- if (sec > 59) {
- min += sec/60;
- sec = sec%60;
- }
- if (min > 59) {
- hr += min/60;
- min = min%60;
- }
- if (hr > 23) {
- day += hr/24;
- hr = hr%24;
- }
- if (day > 31) {
- mo += day/32;
- day = day%32;
- }
- if (mo > 12) {
- yr += mo/13;
- mo = mo%13;
- }
-
- spin_lock_irq(&rtc_lock);
- /*
- * Disable alarm interrupt before setting alarm timer or else
- * when ACPI_EVENT_RTC is enabled, a spurious ACPI interrupt occurs
- */
- rtc_control &= ~RTC_AIE;
- CMOS_WRITE(rtc_control, RTC_CONTROL);
- CMOS_READ(RTC_INTR_FLAGS);
-
- /* write the fields the rtc knows about */
- cmos_bcd_write(hr, RTC_HOURS_ALARM, rtc_control);
- cmos_bcd_write(min, RTC_MINUTES_ALARM, rtc_control);
- cmos_bcd_write(sec, RTC_SECONDS_ALARM, rtc_control);
-
- /*
- * If the system supports an enhanced alarm it will have non-zero
- * offsets into the CMOS RAM here -- which for some reason are pointing
- * to the RTC area of memory.
- */
- if (acpi_gbl_FADT.day_alarm)
- cmos_bcd_write(day, acpi_gbl_FADT.day_alarm, rtc_control);
- if (acpi_gbl_FADT.month_alarm)
- cmos_bcd_write(mo, acpi_gbl_FADT.month_alarm, rtc_control);
- if (acpi_gbl_FADT.century) {
- if (adjust)
- yr += cmos_bcd_read(acpi_gbl_FADT.century, rtc_control) * 100;
- cmos_bcd_write(yr / 100, acpi_gbl_FADT.century, rtc_control);
- }
- /* enable the rtc alarm interrupt */
- rtc_control |= RTC_AIE;
- CMOS_WRITE(rtc_control, RTC_CONTROL);
- CMOS_READ(RTC_INTR_FLAGS);
-
- spin_unlock_irq(&rtc_lock);
-
- acpi_clear_event(ACPI_EVENT_RTC);
- acpi_enable_event(ACPI_EVENT_RTC, 0);
-
- *ppos += count;
-
- result = 0;
- end:
- return_VALUE(result ? result : count);
-}
-#endif /* HAVE_ACPI_LEGACY_ALARM */
-
-extern struct list_head acpi_wakeup_device_list;
-extern spinlock_t acpi_device_lock;
-
-static int
-acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
-{
- struct list_head *node, *next;
-
- seq_printf(seq, "Device\tS-state\t Status Sysfs node\n");
-
- spin_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev =
- container_of(node, struct acpi_device, wakeup_list);
- struct device *ldev;
-
- if (!dev->wakeup.flags.valid)
- continue;
- spin_unlock(&acpi_device_lock);
-
- ldev = acpi_get_physical_device(dev->handle);
- seq_printf(seq, "%s\t S%d\t%c%-8s ",
- dev->pnp.bus_id,
- (u32) dev->wakeup.sleep_state,
- dev->wakeup.flags.run_wake ? '*' : ' ',
- dev->wakeup.state.enabled ? "enabled" : "disabled");
- if (ldev)
- seq_printf(seq, "%s:%s",
- ldev->bus ? ldev->bus->name : "no-bus",
- ldev->bus_id);
- seq_printf(seq, "\n");
- put_device(ldev);
-
- spin_lock(&acpi_device_lock);
- }
- spin_unlock(&acpi_device_lock);
- return 0;
-}
-
-static void physical_device_enable_wakeup(struct acpi_device *adev)
-{
- struct device *dev = acpi_get_physical_device(adev->handle);
-
- if (dev && device_can_wakeup(dev))
- device_set_wakeup_enable(dev, adev->wakeup.state.enabled);
-}
-
-static ssize_t
-acpi_system_write_wakeup_device(struct file *file,
- const char __user * buffer,
- size_t count, loff_t * ppos)
-{
- struct list_head *node, *next;
- char strbuf[5];
- char str[5] = "";
- int len = count;
- struct acpi_device *found_dev = NULL;
-
- if (len > 4)
- len = 4;
-
- if (copy_from_user(strbuf, buffer, len))
- return -EFAULT;
- strbuf[len] = '\0';
- sscanf(strbuf, "%s", str);
-
- spin_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev =
- container_of(node, struct acpi_device, wakeup_list);
- if (!dev->wakeup.flags.valid)
- continue;
-
- if (!strncmp(dev->pnp.bus_id, str, 4)) {
- dev->wakeup.state.enabled =
- dev->wakeup.state.enabled ? 0 : 1;
- found_dev = dev;
- break;
- }
- }
- if (found_dev) {
- physical_device_enable_wakeup(found_dev);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev = container_of(node,
- struct
- acpi_device,
- wakeup_list);
-
- if ((dev != found_dev) &&
- (dev->wakeup.gpe_number ==
- found_dev->wakeup.gpe_number)
- && (dev->wakeup.gpe_device ==
- found_dev->wakeup.gpe_device)) {
- printk(KERN_WARNING
- "ACPI: '%s' and '%s' have the same GPE, "
- "can't disable/enable one seperately\n",
- dev->pnp.bus_id, found_dev->pnp.bus_id);
- dev->wakeup.state.enabled =
- found_dev->wakeup.state.enabled;
- physical_device_enable_wakeup(dev);
- }
- }
- }
- spin_unlock(&acpi_device_lock);
- return count;
-}
-
-static int
-acpi_system_wakeup_device_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_wakeup_device_seq_show,
- PDE(inode)->data);
-}
-
-static const struct file_operations acpi_system_wakeup_device_fops = {
- .owner = THIS_MODULE,
- .open = acpi_system_wakeup_device_open_fs,
- .read = seq_read,
- .write = acpi_system_write_wakeup_device,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-#ifdef CONFIG_ACPI_PROCFS
-static const struct file_operations acpi_system_sleep_fops = {
- .owner = THIS_MODULE,
- .open = acpi_system_sleep_open_fs,
- .read = seq_read,
- .write = acpi_system_write_sleep,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif /* CONFIG_ACPI_PROCFS */
-
-#ifdef HAVE_ACPI_LEGACY_ALARM
-static const struct file_operations acpi_system_alarm_fops = {
- .owner = THIS_MODULE,
- .open = acpi_system_alarm_open_fs,
- .read = seq_read,
- .write = acpi_system_write_alarm,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static u32 rtc_handler(void *context)
-{
- acpi_clear_event(ACPI_EVENT_RTC);
- acpi_disable_event(ACPI_EVENT_RTC, 0);
-
- return ACPI_INTERRUPT_HANDLED;
-}
-#endif /* HAVE_ACPI_LEGACY_ALARM */
-
-static int __init acpi_sleep_proc_init(void)
-{
- if (acpi_disabled)
- return 0;
-
-#ifdef CONFIG_ACPI_PROCFS
- /* 'sleep' [R/W] */
- proc_create("sleep", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_sleep_fops);
-#endif /* CONFIG_ACPI_PROCFS */
-
-#ifdef HAVE_ACPI_LEGACY_ALARM
- /* 'alarm' [R/W] */
- proc_create("alarm", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_alarm_fops);
-
- acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
- /*
- * Disable the RTC event after installing RTC handler.
- * Only when RTC alarm is set will it be enabled.
- */
- acpi_clear_event(ACPI_EVENT_RTC);
- acpi_disable_event(ACPI_EVENT_RTC, 0);
-#endif /* HAVE_ACPI_LEGACY_ALARM */
-
- /* 'wakeup device' [R/W] */
- proc_create("wakeup", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_wakeup_device_fops);
-
- return 0;
-}
-
-late_initcall(acpi_sleep_proc_init);
diff --git a/drivers/acpi/sleep/sleep.h b/drivers/acpi/sleep/sleep.h
deleted file mode 100644
index cfaf8f5b0a1..00000000000
--- a/drivers/acpi/sleep/sleep.h
+++ /dev/null
@@ -1,7 +0,0 @@
-
-extern u8 sleep_states[];
-extern int acpi_suspend (u32 state);
-
-extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
-extern void acpi_enable_wakeup_device(u8 sleep_state);
-extern void acpi_disable_wakeup_device(u8 sleep_state);
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c
deleted file mode 100644
index 38655eb132d..00000000000
--- a/drivers/acpi/sleep/wakeup.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * wakeup.c - support wakeup devices
- * Copyright (C) 2004 Li Shaohua <shaohua.li@intel.com>
- */
-
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include <acpi/acpi_drivers.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <acpi/acevents.h>
-#include "sleep.h"
-
-#define _COMPONENT ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("wakeup_devices")
-
-extern struct list_head acpi_wakeup_device_list;
-extern spinlock_t acpi_device_lock;
-
-/**
- * acpi_enable_wakeup_device_prep - prepare wakeup devices
- * @sleep_state: ACPI state
- * Enable all wakup devices power if the devices' wakeup level
- * is higher than requested sleep level
- */
-
-void acpi_enable_wakeup_device_prep(u8 sleep_state)
-{
- struct list_head *node, *next;
-
- ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device_prep");
-
- spin_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev = container_of(node,
- struct acpi_device,
- wakeup_list);
-
- if (!dev->wakeup.flags.valid ||
- !dev->wakeup.state.enabled ||
- (sleep_state > (u32) dev->wakeup.sleep_state))
- continue;
-
- spin_unlock(&acpi_device_lock);
- acpi_enable_wakeup_device_power(dev, sleep_state);
- spin_lock(&acpi_device_lock);
- }
- spin_unlock(&acpi_device_lock);
-}
-
-/**
- * acpi_enable_wakeup_device - enable wakeup devices
- * @sleep_state: ACPI state
- * Enable all wakup devices's GPE
- */
-void acpi_enable_wakeup_device(u8 sleep_state)
-{
- struct list_head *node, *next;
-
- /*
- * Caution: this routine must be invoked when interrupt is disabled
- * Refer ACPI2.0: P212
- */
- ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device");
- spin_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev =
- container_of(node, struct acpi_device, wakeup_list);
-
- if (!dev->wakeup.flags.valid)
- continue;
-
- /* If users want to disable run-wake GPE,
- * we only disable it for wake and leave it for runtime
- */
- if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
- || sleep_state > (u32) dev->wakeup.sleep_state) {
- if (dev->wakeup.flags.run_wake) {
- spin_unlock(&acpi_device_lock);
- /* set_gpe_type will disable GPE, leave it like that */
- acpi_set_gpe_type(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_RUNTIME);
- spin_lock(&acpi_device_lock);
- }
- continue;
- }
- spin_unlock(&acpi_device_lock);
- if (!dev->wakeup.flags.run_wake)
- acpi_enable_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_ISR);
- spin_lock(&acpi_device_lock);
- }
- spin_unlock(&acpi_device_lock);
-}
-
-/**
- * acpi_disable_wakeup_device - disable devices' wakeup capability
- * @sleep_state: ACPI state
- * Disable all wakup devices's GPE and wakeup capability
- */
-void acpi_disable_wakeup_device(u8 sleep_state)
-{
- struct list_head *node, *next;
-
- ACPI_FUNCTION_TRACE("acpi_disable_wakeup_device");
-
- spin_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev =
- container_of(node, struct acpi_device, wakeup_list);
-
- if (!dev->wakeup.flags.valid)
- continue;
-
- if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
- || sleep_state > (u32) dev->wakeup.sleep_state) {
- if (dev->wakeup.flags.run_wake) {
- spin_unlock(&acpi_device_lock);
- acpi_set_gpe_type(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_WAKE_RUN);
- /* Re-enable it, since set_gpe_type will disable it */
- acpi_enable_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_NOT_ISR);
- spin_lock(&acpi_device_lock);
- }
- continue;
- }
-
- spin_unlock(&acpi_device_lock);
- acpi_disable_wakeup_device_power(dev);
- /* Never disable run-wake GPE */
- if (!dev->wakeup.flags.run_wake) {
- acpi_disable_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_NOT_ISR);
- acpi_clear_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_NOT_ISR);
- }
- spin_lock(&acpi_device_lock);
- }
- spin_unlock(&acpi_device_lock);
-}
-
-static int __init acpi_wakeup_device_init(void)
-{
- struct list_head *node, *next;
-
- if (acpi_disabled)
- return 0;
-
- spin_lock(&acpi_device_lock);
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev = container_of(node,
- struct acpi_device,
- wakeup_list);
- /* In case user doesn't load button driver */
- if (!dev->wakeup.flags.run_wake || dev->wakeup.state.enabled)
- continue;
- spin_unlock(&acpi_device_lock);
- acpi_set_gpe_type(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_WAKE_RUN);
- acpi_enable_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_NOT_ISR);
- dev->wakeup.state.enabled = 1;
- spin_lock(&acpi_device_lock);
- }
- spin_unlock(&acpi_device_lock);
- return 0;
-}
-
-late_initcall(acpi_wakeup_device_init);