#include <linux/list.h>
#include <linux/sched.h>
#include <linux/pm.h>
-#include <linux/pm_legacy.h>
#include <linux/device.h>
#include <linux/proc_fs.h>
+#include <linux/acpi.h>
#ifdef CONFIG_X86
#include <asm/mpspec.h>
#endif
+#include <linux/pci.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#define _COMPONENT ACPI_BUS_COMPONENT
ACPI_MODULE_NAME("bus");
-#ifdef CONFIG_X86
-extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
-#endif
struct acpi_device *acpi_root;
struct proc_dir_entry *acpi_root_dir;
EXPORT_SYMBOL(acpi_bus_get_status);
+void acpi_bus_private_data_handler(acpi_handle handle,
+ u32 function, void *context)
+{
+ return;
+}
+EXPORT_SYMBOL(acpi_bus_private_data_handler);
+
+int acpi_bus_get_private_data(acpi_handle handle, void **data)
+{
+ acpi_status status = AE_OK;
+
+ if (!*data)
+ return -EINVAL;
+
+ status = acpi_get_data(handle, acpi_bus_private_data_handler, data);
+ if (ACPI_FAILURE(status) || !*data) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
+ handle));
+ return -ENODEV;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(acpi_bus_get_private_data);
+
/* --------------------------------------------------------------------------
Power Management
-------------------------------------------------------------------------- */
if (!device->flags.power_manageable) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n",
- device->dev.kobj.name));
+ kobject_name(&device->dev.kobj)));
return -ENODEV;
}
/*
- * Get device's current power state if it's unknown
- * This means device power state isn't initialized or previous setting failed
+ * Get device's current power state
*/
- if ((device->power.state == ACPI_STATE_UNKNOWN) || device->flags.force_power_state)
- acpi_bus_get_power(device->handle, &device->power.state);
+ acpi_bus_get_power(device->handle, &device->power.state);
if ((state == device->power.state) && !device->flags.force_power_state) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
state));
printk(KERN_WARNING PREFIX
"Transitioning device [%s] to D%d\n",
device->pnp.bus_id, state);
- else
+ else {
+ device->power.state = state;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device [%s] transitioned to D%d\n",
device->pnp.bus_id, state));
+ }
return result;
}
EXPORT_SYMBOL(acpi_bus_set_power);
+bool acpi_bus_power_manageable(acpi_handle handle)
+{
+ struct acpi_device *device;
+ int result;
+
+ result = acpi_bus_get_device(handle, &device);
+ return result ? false : device->flags.power_manageable;
+}
+
+EXPORT_SYMBOL(acpi_bus_power_manageable);
+
+bool acpi_bus_can_wakeup(acpi_handle handle)
+{
+ struct acpi_device *device;
+ int result;
+
+ result = acpi_bus_get_device(handle, &device);
+ return result ? false : device->wakeup.flags.valid;
+}
+
+EXPORT_SYMBOL(acpi_bus_can_wakeup);
+
/* --------------------------------------------------------------------------
Event Management
-------------------------------------------------------------------------- */
extern int event_is_open;
-int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
+int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id, u8 type, int data)
{
- struct acpi_bus_event *event = NULL;
+ struct acpi_bus_event *event;
unsigned long flags = 0;
-
- if (!device)
- return -EINVAL;
-
/* drop event on the floor if no one's listening */
if (!event_is_open)
return 0;
if (!event)
return -ENOMEM;
- strcpy(event->device_class, device->pnp.device_class);
- strcpy(event->bus_id, device->pnp.bus_id);
+ strcpy(event->device_class, device_class);
+ strcpy(event->bus_id, bus_id);
event->type = type;
event->data = data;
wake_up_interruptible(&acpi_bus_event_queue);
return 0;
+
+}
+
+EXPORT_SYMBOL_GPL(acpi_bus_generate_proc_event4);
+
+int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
+{
+ if (!device)
+ return -EINVAL;
+ return acpi_bus_generate_proc_event4(device->pnp.device_class,
+ device->pnp.bus_id, type, data);
}
EXPORT_SYMBOL(acpi_bus_generate_proc_event);
}
spin_lock_irqsave(&acpi_bus_event_lock, flags);
- entry =
- list_entry(acpi_bus_event_list.next, struct acpi_bus_event, node);
- if (entry)
+ if (!list_empty(&acpi_bus_event_list)) {
+ entry = list_entry(acpi_bus_event_list.next,
+ struct acpi_bus_event, node);
list_del(&entry->node);
+ }
spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
if (!entry)
return 0;
}
-EXPORT_SYMBOL(acpi_bus_receive_event);
#endif /* CONFIG_ACPI_PROC_EVENT */
/* --------------------------------------------------------------------------
return 0;
}
-acpi_native_uint acpi_gbl_permanent_mmap;
+u8 acpi_gbl_permanent_mmap;
void __init acpi_early_init(void)
#ifdef CONFIG_X86
if (!acpi_ioapic) {
- extern u8 acpi_sci_flags;
-
/* compatible (0) means level (3) */
if (!(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)) {
acpi_sci_flags &= ~ACPI_MADT_TRIGGER_MASK;
acpi_pic_sci_set_trigger(acpi_gbl_FADT.sci_interrupt,
(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
} else {
- extern int acpi_sci_override_gsi;
/*
* now that acpi_gbl_FADT is initialized,
* update it with result from INT_SRC_OVR parsing
return -ENODEV;
}
-decl_subsys(acpi, NULL, NULL);
+struct kobject *acpi_kobj;
static int __init acpi_init(void)
{
return -ENODEV;
}
- result = firmware_register(&acpi_subsys);
- if (result < 0)
- printk(KERN_WARNING "%s: firmware_register error: %d\n",
- __FUNCTION__, result);
+ acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
+ if (!acpi_kobj) {
+ printk(KERN_WARNING "%s: kset create error\n", __func__);
+ acpi_kobj = NULL;
+ }
result = acpi_bus_init();
if (!result) {
-#ifdef CONFIG_PM_LEGACY
- if (!PM_IS_ACTIVE())
- pm_active = 1;
+ pci_mmcfg_late_init();
+ if (!(pm_flags & PM_APM))
+ pm_flags |= PM_ACPI;
else {
printk(KERN_INFO PREFIX
"APM is already active, exiting\n");
disable_acpi();
result = -ENODEV;
}
-#endif
} else
disable_acpi();