#include <linux/dmi.h>
#include <linux/device.h>
#include <linux/suspend.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];
+#ifdef CONFIG_PM_SLEEP
+static u32 acpi_target_sleep_state = ACPI_STATE_S0;
+#endif
+
+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
+ acpi_gpe_sleep_prepare(acpi_state);
+ acpi_enter_sleep_state_prep(acpi_state);
+ return 0;
+}
+
+#ifdef CONFIG_SUSPEND
static struct pm_ops acpi_pm_ops;
extern void do_suspend_lowlevel(void);
static int init_8259A_after_S1;
-extern int acpi_sleep_prepare(u32 acpi_state);
-extern void acpi_power_off(void);
-
-static u32 acpi_target_sleep_state = ACPI_STATE_S0;
-
/**
* acpi_pm_set_target - Set the target system sleep state to the state
* associated with given @pm_state, if supported.
return 0;
}
-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;
-}
-
static int acpi_pm_state_valid(suspend_state_t pm_state)
{
u32 acpi_state;
.finish = acpi_pm_finish,
};
-#ifdef CONFIG_SOFTWARE_SUSPEND
+/*
+ * 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"),},
+ },
+ {},
+};
+#endif /* CONFIG_SUSPEND */
+
+#ifdef CONFIG_HIBERNATION
static int acpi_hibernation_prepare(void)
{
return acpi_sleep_prepare(ACPI_STATE_S4);
.pre_restore = acpi_hibernation_pre_restore,
.restore_cleanup = acpi_hibernation_restore_cleanup,
};
-#endif /* CONFIG_SOFTWARE_SUSPEND */
+#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
unsigned long d_min, d_max;
if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
- printk(KERN_ERR "ACPI handle has no context!\n");
+ printk(KERN_DEBUG "ACPI handle has no context!\n");
return -ENODEV;
}
*d_min_p = d_min;
return d_max;
}
+#endif
-/*
- * 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)
+static void acpi_power_off_prepare(void)
{
- printk(KERN_WARNING "%s with broken S1 detected.\n", d->ident);
- init_8259A_after_S1 = 1;
- return 0;
+ /* Prepare to power off the system */
+ acpi_sleep_prepare(ACPI_STATE_S5);
}
-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 void acpi_power_off(void)
+{
+ /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
+ printk("%s called\n", __FUNCTION__);
+ local_irq_disable();
+ 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;
- printk(KERN_INFO PREFIX "(supports");
- for (i = 0; i < ACPI_S_STATE_COUNT; i++) {
- acpi_status status;
- u8 type_a, type_b;
+ 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);
}
}
- printk(")\n");
pm_set_ops(&acpi_pm_ops);
+#endif
-#ifdef CONFIG_SOFTWARE_SUSPEND
- if (sleep_states[ACPI_STATE_S4])
+#ifdef CONFIG_HIBERNATION
+ status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b);
+ if (ACPI_SUCCESS(status)) {
hibernation_set_ops(&acpi_hibernation_ops);
-#else
- sleep_states[ACPI_STATE_S4] = 0;
+ sleep_states[ACPI_STATE_S4] = 1;
+ printk(" S4");
+ }
#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");
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff