ACPI: move private declarations to internal.h

A number of things that shouldn't be exposed outside the ACPI core
were declared in include/acpi/acpi_drivers.h, where anybody can
see them.  This patch moves those declarations to a new "internal.h"
inside drivers/acpi.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
new file mode 100644
index 0000000..4aee4a2
--- /dev/null
+++ b/drivers/acpi/internal.h
@@ -0,0 +1,24 @@
+/* For use by Linux/ACPI infrastructure, not drivers */
+
+/* --------------------------------------------------------------------------
+                                  Power Resource
+   -------------------------------------------------------------------------- */
+
+int acpi_device_sleep_wake(struct acpi_device *dev,
+                           int enable, int sleep_state, int dev_state);
+int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state);
+int acpi_disable_wakeup_device_power(struct acpi_device *dev);
+int acpi_power_get_inferred_state(struct acpi_device *device);
+int acpi_power_transition(struct acpi_device *device, int state);
+extern int acpi_power_nocheck;
+
+/* --------------------------------------------------------------------------
+                                  Embedded Controller
+   -------------------------------------------------------------------------- */
+int acpi_ec_ecdt_probe(void);
+int acpi_boot_ec_enable(void);
+
+/*--------------------------------------------------------------------------
+                                  Suspend/Resume
+  -------------------------------------------------------------------------- */
+extern int acpi_sleep_init(void);