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diff --git a/include/hw/input/ps2.h b/include/hw/input/ps2.h
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+/*
+ * QEMU PS/2 keyboard/mouse emulation
+ *
+ * Copyright (C) 2003 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef HW_PS2_H
+#define HW_PS2_H
+
+#define PS2_MOUSE_BUTTON_LEFT 0x01
+#define PS2_MOUSE_BUTTON_RIGHT 0x02
+#define PS2_MOUSE_BUTTON_MIDDLE 0x04
+#define PS2_MOUSE_BUTTON_SIDE 0x08
+#define PS2_MOUSE_BUTTON_EXTRA 0x10
+
+typedef struct PS2State PS2State;
+
+/* ps2.c */
+void *ps2_kbd_init(void (*update_irq)(void *, int), void *update_arg);
+void *ps2_mouse_init(void (*update_irq)(void *, int), void *update_arg);
+void ps2_write_mouse(void *, int val);
+void ps2_write_keyboard(void *, int val);
+uint32_t ps2_read_data(PS2State *s);
+void ps2_queue_noirq(PS2State *s, int b);
+void ps2_raise_irq(PS2State *s);
+void ps2_queue(PS2State *s, int b);
+void ps2_queue_2(PS2State *s, int b1, int b2);
+void ps2_queue_3(PS2State *s, int b1, int b2, int b3);
+void ps2_queue_4(PS2State *s, int b1, int b2, int b3, int b4);
+void ps2_keyboard_set_translation(void *opaque, int mode);
+void ps2_mouse_fake_event(void *opaque);
+int ps2_queue_empty(PS2State *s);
+
+#endif /* HW_PS2_H */