aboutsummaryrefslogtreecommitdiff
path: root/drivers/acpi/sleep
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/sleep')
-rw-r--r--drivers/acpi/sleep/Makefile5
-rw-r--r--drivers/acpi/sleep/main.c224
-rw-r--r--drivers/acpi/sleep/poweroff.c96
-rw-r--r--drivers/acpi/sleep/proc.c505
-rw-r--r--drivers/acpi/sleep/sleep.h8
-rw-r--r--drivers/acpi/sleep/wakeup.c212
6 files changed, 0 insertions, 1050 deletions
diff --git a/drivers/acpi/sleep/Makefile b/drivers/acpi/sleep/Makefile
deleted file mode 100644
index d6c017709c8..00000000000
--- a/drivers/acpi/sleep/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-obj-y := poweroff.o wakeup.o
-obj-$(CONFIG_ACPI_SLEEP) += main.o
-obj-$(CONFIG_ACPI_SLEEP_PROC_FS) += 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 930427fc0c4..00000000000
--- a/drivers/acpi/sleep/main.c
+++ /dev/null
@@ -1,224 +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 <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include "sleep.h"
-
-u8 sleep_states[ACPI_S_STATE_COUNT];
-
-static struct pm_ops acpi_pm_ops;
-
-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_DISK] = ACPI_STATE_S4,
- [PM_SUSPEND_MAX] = ACPI_STATE_S5
-};
-
-static int init_8259A_after_S1;
-
-/**
- * acpi_pm_prepare - Do preliminary suspend work.
- * @pm_state: suspend state we're entering.
- *
- * Make sure we support the state. If we do, and we need it, set the
- * firmware waking vector and do arch-specific nastiness to get the
- * wakeup code to the waking vector.
- */
-
-extern int acpi_sleep_prepare(u32 acpi_state);
-extern void acpi_power_off(void);
-
-static int acpi_pm_prepare(suspend_state_t pm_state)
-{
- u32 acpi_state = acpi_suspend_states[pm_state];
-
- if (!sleep_states[acpi_state]) {
- printk("acpi_pm_prepare does not support %d \n", pm_state);
- return -EPERM;
- }
- return acpi_sleep_prepare(acpi_state);
-}
-
-/**
- * acpi_pm_enter - Actually enter a sleep state.
- * @pm_state: State we're entering.
- *
- * Flush caches and go to sleep. For STR or STD, 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_pm_enter(suspend_state_t pm_state)
-{
- acpi_status status = AE_OK;
- unsigned long flags = 0;
- u32 acpi_state = acpi_suspend_states[pm_state];
-
- ACPI_FLUSH_CPU_CACHE();
-
- /* Do arch specific saving of state. */
- if (pm_state > PM_SUSPEND_STANDBY) {
- int error = acpi_save_state_mem();
- if (error)
- return error;
- }
-
- local_irq_save(flags);
- acpi_enable_wakeup_device(acpi_state);
- switch (pm_state) {
- case PM_SUSPEND_STANDBY:
- barrier();
- status = acpi_enter_sleep_state(acpi_state);
- break;
-
- case PM_SUSPEND_MEM:
- do_suspend_lowlevel();
- break;
-
- case PM_SUSPEND_DISK:
- if (acpi_pm_ops.pm_disk_mode == PM_DISK_PLATFORM)
- status = acpi_enter_sleep_state(acpi_state);
- break;
- case PM_SUSPEND_MAX:
- acpi_power_off();
- break;
-
- default:
- return -EINVAL;
- }
- local_irq_restore(flags);
- printk(KERN_DEBUG "Back to C!\n");
-
- /* restore processor state
- * We should only be here if we're coming back from STR or STD.
- * And, in the case of the latter, the memory image should have already
- * been loaded from disk.
- */
- if (pm_state > PM_SUSPEND_STANDBY)
- acpi_restore_state_mem();
-
- return ACPI_SUCCESS(status) ? 0 : -EFAULT;
-}
-
-/**
- * acpi_pm_finish - Finish up suspend sequence.
- * @pm_state: State we're coming out of.
- *
- * This is called after we wake back up (or if entering the sleep state
- * failed).
- */
-
-static int acpi_pm_finish(suspend_state_t pm_state)
-{
- u32 acpi_state = acpi_suspend_states[pm_state];
-
- acpi_leave_sleep_state(acpi_state);
- acpi_disable_wakeup_device(acpi_state);
-
- /* reset firmware waking vector */
- acpi_set_firmware_waking_vector((acpi_physical_address) 0);
-
- if (init_8259A_after_S1) {
- printk("Broken toshiba laptop -> kicking interrupts\n");
- init_8259A(0);
- }
- return 0;
-}
-
-int acpi_suspend(u32 acpi_state)
-{
- suspend_state_t states[] = {
- [1] = PM_SUSPEND_STANDBY,
- [3] = PM_SUSPEND_MEM,
- [4] = PM_SUSPEND_DISK,
- [5] = PM_SUSPEND_MAX
- };
-
- if (acpi_state < 6 && states[acpi_state])
- return pm_suspend(states[acpi_state]);
- return -EINVAL;
-}
-
-static int acpi_pm_state_valid(suspend_state_t pm_state)
-{
- u32 acpi_state = acpi_suspend_states[pm_state];
-
- return sleep_states[acpi_state];
-}
-
-static struct pm_ops acpi_pm_ops = {
- .valid = acpi_pm_state_valid,
- .prepare = acpi_pm_prepare,
- .enter = acpi_pm_enter,
- .finish = acpi_pm_finish,
-};
-
-/*
- * Toshiba fails to preserve interrupts over S1, reinitialization
- * of 8259 is needed after S1 resume.
- */
-static int __init init_ints_after_s1(struct dmi_system_id *d)
-{
- printk(KERN_WARNING "%s with broken S1 detected.\n", d->ident);
- init_8259A_after_S1 = 1;
- return 0;
-}
-
-static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
- {
- .callback = init_ints_after_s1,
- .ident = "Toshiba Satellite 4030cdt",
- .matches = {DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),},
- },
- {},
-};
-
-static int __init acpi_sleep_init(void)
-{
- int i = 0;
-
- dmi_check_system(acpisleep_dmi_table);
-
- if (acpi_disabled)
- return 0;
-
- printk(KERN_INFO PREFIX "(supports");
- for (i = 0; i < ACPI_S_STATE_COUNT; i++) {
- acpi_status status;
- u8 type_a, type_b;
- status = acpi_get_sleep_type_data(i, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- sleep_states[i] = 1;
- printk(" S%d", i);
- }
- if (i == ACPI_STATE_S4) {
- if (sleep_states[i])
- acpi_pm_ops.pm_disk_mode = PM_DISK_PLATFORM;
- }
- }
- printk(")\n");
-
- pm_set_ops(&acpi_pm_ops);
- return 0;
-}
-
-late_initcall(acpi_sleep_init);
diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
deleted file mode 100644
index af7935a95bc..00000000000
--- a/drivers/acpi/sleep/poweroff.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * poweroff.c - ACPI handler for powering off the system.
- *
- * AKA S5, but it is independent of whether or not the kernel supports
- * any other sleep support in the system.
- *
- * Copyright (c) 2005 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
- *
- * This file is released under the GPLv2.
- */
-
-#include <linux/pm.h>
-#include <linux/init.h>
-#include <acpi/acpi_bus.h>
-#include <linux/sched.h>
-#include <linux/sysdev.h>
-#include <asm/io.h>
-#include "sleep.h"
-
-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)
- virt_to_phys((void *)
- acpi_wakeup_address));
-
- }
- ACPI_FLUSH_CPU_CACHE();
- acpi_enable_wakeup_device_prep(acpi_state);
-#endif
- if (acpi_state == ACPI_STATE_S5) {
- acpi_wakeup_gpe_poweroff_prepare();
- }
- acpi_enter_sleep_state_prep(acpi_state);
- return 0;
-}
-
-#ifdef CONFIG_PM
-
-void acpi_power_off(void)
-{
- /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
- printk("%s called\n", __FUNCTION__);
- local_irq_disable();
- /* Some SMP machines only can poweroff in boot CPU */
- acpi_enter_sleep_state(ACPI_STATE_S5);
-}
-
-static int acpi_shutdown(struct sys_device *x)
-{
- if (system_state == SYSTEM_POWER_OFF) {
- /* Prepare if we are going to power off the system */
- return acpi_sleep_prepare(ACPI_STATE_S5);
- }
- return 0;
-}
-
-static struct sysdev_class acpi_sysclass = {
- set_kset_name("acpi"),
- .shutdown = acpi_shutdown
-};
-
-static struct sys_device device_acpi = {
- .id = 0,
- .cls = &acpi_sysclass,
-};
-
-static int acpi_poweroff_init(void)
-{
- if (!acpi_disabled) {
- u8 type_a, type_b;
- acpi_status status;
-
- status =
- acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- int error;
- error = sysdev_class_register(&acpi_sysclass);
- if (!error)
- error = sysdev_register(&device_acpi);
- if (!error)
- pm_power_off = acpi_power_off;
- return error;
- }
- }
- return 0;
-}
-
-late_initcall(acpi_poweroff_init);
-
-#endif /* CONFIG_PM */
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
deleted file mode 100644
index 4696a85a98b..00000000000
--- a/drivers/acpi/sleep/proc.c
+++ /dev/null
@@ -1,505 +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
-ACPI_MODULE_NAME("sleep")
-#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP
-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_SOFTWARE_SUSPEND
- if (state == 4) {
- error = software_suspend();
- goto Done;
- }
-#endif
- error = acpi_suspend(state);
- Done:
- return error ? error : count;
-}
-#endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */
-
-static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
-{
- u32 sec, min, hr;
- u32 day, mo, yr;
- 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_alrm)
- /* ACPI spec: only low 6 its should be cared */
- day = CMOS_READ(acpi_gbl_FADT->day_alrm) & 0x3F;
- else
- day = CMOS_READ(RTC_DAY_OF_MONTH);
- if (acpi_gbl_FADT->mon_alrm)
- mo = CMOS_READ(acpi_gbl_FADT->mon_alrm);
- else
- mo = CMOS_READ(RTC_MONTH);
- if (acpi_gbl_FADT->century)
- yr = CMOS_READ(acpi_gbl_FADT->century) * 100 +
- CMOS_READ(RTC_YEAR);
- else
- yr = CMOS_READ(RTC_YEAR);
-
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hr);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mo);
- BCD_TO_BIN(yr);
- }
-
- /* 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;
-
- 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.
- */
- 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;
-
- return result;
-}
-
-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;
-
- if (sec > 59) {
- min += 1;
- sec -= 60;
- }
- if (min > 59) {
- hr += 1;
- min -= 60;
- }
- if (hr > 23) {
- day += 1;
- hr -= 24;
- }
- if (day > 31) {
- mo += 1;
- day -= 31;
- }
- if (mo > 12) {
- yr += 1;
- mo -= 12;
- }
-
- spin_lock_irq(&rtc_lock);
-
- rtc_control = CMOS_READ(RTC_CONTROL);
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BIN_TO_BCD(yr);
- BIN_TO_BCD(mo);
- BIN_TO_BCD(day);
- BIN_TO_BCD(hr);
- BIN_TO_BCD(min);
- BIN_TO_BCD(sec);
- }
-
- if (adjust) {
- yr += CMOS_READ(RTC_YEAR);
- mo += CMOS_READ(RTC_MONTH);
- day += CMOS_READ(RTC_DAY_OF_MONTH);
- hr += CMOS_READ(RTC_HOURS);
- min += CMOS_READ(RTC_MINUTES);
- sec += CMOS_READ(RTC_SECONDS);
- }
-
- spin_unlock_irq(&rtc_lock);
-
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(yr);
- BCD_TO_BIN(mo);
- BCD_TO_BIN(day);
- BCD_TO_BIN(hr);
- BCD_TO_BIN(min);
- BCD_TO_BIN(sec);
- }
-
- if (sec > 59) {
- min++;
- sec -= 60;
- }
- if (min > 59) {
- hr++;
- min -= 60;
- }
- if (hr > 23) {
- day++;
- hr -= 24;
- }
- if (day > 31) {
- mo++;
- day -= 31;
- }
- if (mo > 12) {
- yr++;
- mo -= 12;
- }
- if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BIN_TO_BCD(yr);
- BIN_TO_BCD(mo);
- BIN_TO_BCD(day);
- BIN_TO_BCD(hr);
- BIN_TO_BCD(min);
- BIN_TO_BCD(sec);
- }
-
- 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_WRITE(hr, RTC_HOURS_ALARM);
- CMOS_WRITE(min, RTC_MINUTES_ALARM);
- CMOS_WRITE(sec, RTC_SECONDS_ALARM);
-
- /*
- * 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_alrm)
- CMOS_WRITE(day, acpi_gbl_FADT->day_alrm);
- if (acpi_gbl_FADT->mon_alrm)
- CMOS_WRITE(mo, acpi_gbl_FADT->mon_alrm);
- if (acpi_gbl_FADT->century)
- CMOS_WRITE(yr / 100, acpi_gbl_FADT->century);
- /* 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);
-}
-
-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 Sleep state Status\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);
-
- if (!dev->wakeup.flags.valid)
- continue;
- spin_unlock(&acpi_device_lock);
- seq_printf(seq, "%4s %4d %s%8s\n",
- dev->pnp.bus_id,
- (u32) dev->wakeup.sleep_state,
- dev->wakeup.flags.run_wake ? "*" : "",
- dev->wakeup.state.enabled ? "enabled" : "disabled");
- spin_lock(&acpi_device_lock);
- }
- spin_unlock(&acpi_device_lock);
- return 0;
-}
-
-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) {
- 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;
- }
- }
- }
- 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 struct file_operations acpi_system_wakeup_device_fops = {
- .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_SLEEP_PROC_SLEEP
-static struct file_operations acpi_system_sleep_fops = {
- .open = acpi_system_sleep_open_fs,
- .read = seq_read,
- .write = acpi_system_write_sleep,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */
-
-static struct file_operations acpi_system_alarm_fops = {
- .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;
-}
-
-static int acpi_sleep_proc_init(void)
-{
- struct proc_dir_entry *entry = NULL;
-
- if (acpi_disabled)
- return 0;
-
-#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP
- /* 'sleep' [R/W] */
- entry =
- create_proc_entry("sleep", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir);
- if (entry)
- entry->proc_fops = &acpi_system_sleep_fops;
-#endif
-
- /* 'alarm' [R/W] */
- entry =
- create_proc_entry("alarm", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir);
- if (entry)
- entry->proc_fops = &acpi_system_alarm_fops;
-
- /* 'wakeup device' [R/W] */
- entry =
- create_proc_entry("wakeup", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir);
- if (entry)
- entry->proc_fops = &acpi_system_wakeup_device_fops;
-
- acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
- 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 efd0001c6f0..00000000000
--- a/drivers/acpi/sleep/sleep.h
+++ /dev/null
@@ -1,8 +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);
-extern void acpi_wakeup_gpe_poweroff_prepare(void);
diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c
deleted file mode 100644
index 4134ed43d02..00000000000
--- a/drivers/acpi/sleep/wakeup.c
+++ /dev/null
@@ -1,212 +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;
-
-#ifdef CONFIG_ACPI_SLEEP
-/**
- * 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);
- 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 users want to disable run-wake GPE,
- * we only disable it for wake and leave it for runtime
- */
- if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) {
- spin_unlock(&acpi_device_lock);
- acpi_set_gpe_type(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_RUNTIME);
- /* Re-enable it, since set_gpe_type will disable it */
- acpi_enable_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_ISR);
- spin_lock(&acpi_device_lock);
- continue;
- }
-
- if (!dev->wakeup.flags.valid ||
- !dev->wakeup.state.enabled ||
- (sleep_state > (u32) dev->wakeup.sleep_state))
- continue;
-
- spin_unlock(&acpi_device_lock);
- /* run-wake GPE has been enabled */
- if (!dev->wakeup.flags.run_wake)
- acpi_enable_gpe(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number, ACPI_ISR);
- dev->wakeup.state.active = 1;
- 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.run_wake && !dev->wakeup.state.enabled) {
- 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;
- }
-
- if (!dev->wakeup.flags.valid ||
- !dev->wakeup.state.active ||
- (sleep_state > (u32) dev->wakeup.sleep_state))
- 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);
- }
- dev->wakeup.state.active = 0;
- 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;
- printk("ACPI wakeup devices: \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);
-
- /* In case user doesn't load button driver */
- if (dev->wakeup.flags.run_wake && !dev->wakeup.state.enabled) {
- 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);
- }
- printk("%4s ", dev->pnp.bus_id);
- }
- spin_unlock(&acpi_device_lock);
- printk("\n");
-
- return 0;
-}
-
-late_initcall(acpi_wakeup_device_init);
-#endif
-
-/*
- * Disable all wakeup GPEs before power off.
- *
- * Since acpi_enter_sleep_state() will disable all
- * RUNTIME GPEs, we simply mark all GPES that
- * are not enabled for wakeup from S5 as RUNTIME.
- */
-void acpi_wakeup_gpe_poweroff_prepare(void)
-{
- struct list_head *node, *next;
-
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev = container_of(node,
- struct acpi_device,
- wakeup_list);
-
- /* The GPE can wakeup system from S5, don't touch it */
- if ((u32) dev->wakeup.sleep_state == ACPI_STATE_S5)
- continue;
- /* acpi_set_gpe_type will automatically disable GPE */
- acpi_set_gpe_type(dev->wakeup.gpe_device,
- dev->wakeup.gpe_number,
- ACPI_GPE_TYPE_RUNTIME);
- }
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 22:28:26 +0000