--- /dev/null
+#ifndef APM_H
+#define APM_H
+
+#include <stdint.h>
+#include "qemu-common.h"
+#include "hw/hw.h"
+#include "exec/memory.h"
+
+typedef void (*apm_ctrl_changed_t)(uint32_t val, void *arg);
+
+typedef struct APMState {
+ uint8_t apmc;
+ uint8_t apms;
+
+ apm_ctrl_changed_t callback;
+ void *arg;
+ MemoryRegion io;
+} APMState;
+
+void apm_init(PCIDevice *dev, APMState *s, apm_ctrl_changed_t callback,
+ void *arg);
+
+extern const VMStateDescription vmstate_apm;
+
+#endif /* APM_H */