include/hw/input/stellaris_gamepad.h

   1 /*
   2  * Gamepad style buttons connected to IRQ/GPIO lines
   3  *
   4  * Copyright (c) 2007 CodeSourcery.
   5  * Written by Paul Brook
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   8  * See the COPYING file in the top-level directory.
   9  */
  10
  11 #ifndef HW_INPUT_STELLARIS_GAMEPAD_H
  12 #define HW_INPUT_STELLARIS_GAMEPAD_H
  13
  14 #include "hw/sysbus.h"
  15 #include "qom/object.h"
  16
  17 /*
  18  * QEMU interface:
  19  *  + QOM array property "keycodes": uint32_t QEMU keycodes to handle
  20  *    (these are QCodes, ie the Q_KEY_* values)
  21  *  + unnamed GPIO outputs: one per keycode, in the same order as the
  22  *    "keycodes" array property entries; asserted when key is down
  23  */
  24
  25 #define TYPE_STELLARIS_GAMEPAD "stellaris-gamepad"
  26 OBJECT_DECLARE_SIMPLE_TYPE(StellarisGamepad, STELLARIS_GAMEPAD)
  27
  28 struct StellarisGamepad {
  29     SysBusDevice parent_obj;
  30
  31     uint32_t num_buttons;
  32     qemu_irq *irqs;
  33     uint32_t *keycodes;
  34     uint8_t *pressed;
  35 };
  36
  37 #endif