LXR qemu/include/hw/input/lasips2.h

   1/*
   2 * QEMU LASI PS/2 emulation
   3 *
   4 * Copyright (c) 2019 Sven Schnelle
   5 *
   6 */
   7
   8/*
   9 * QEMU interface:
  10 * + sysbus MMIO region 0: MemoryRegion defining the LASI PS2 keyboard
  11 *   registers
  12 * + sysbus MMIO region 1: MemoryRegion defining the LASI PS2 mouse
  13 *   registers
  14 * + sysbus IRQ 0: LASI PS2 output irq
  15 * + Named GPIO input "lasips2-port-input-irq[0..1]": set to 1 if the downstream
  16 *   LASIPS2Port has asserted its irq
  17 */
  18
  19#ifndef HW_INPUT_LASIPS2_H
  20#define HW_INPUT_LASIPS2_H
  21
  22#include "exec/hwaddr.h"
  23#include "hw/sysbus.h"
  24#include "hw/input/ps2.h"
  25
  26#define TYPE_LASIPS2_PORT "lasips2-port"
  27OBJECT_DECLARE_TYPE(LASIPS2Port, LASIPS2PortDeviceClass, LASIPS2_PORT)
  28
  29struct LASIPS2PortDeviceClass {
  30    DeviceClass parent;
  31
  32    DeviceRealize parent_realize;
  33};
  34
  35typedef struct LASIPS2State LASIPS2State;
  36
  37struct LASIPS2Port {
  38    DeviceState parent_obj;
  39
  40    LASIPS2State *lasips2;
  41    MemoryRegion reg;
  42    PS2State *ps2dev;
  43    uint8_t id;
  44    uint8_t control;
  45    uint8_t buf;
  46    bool loopback_rbne;
  47    qemu_irq irq;
  48};
  49
  50#define TYPE_LASIPS2_KBD_PORT "lasips2-kbd-port"
  51OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2KbdPort, LASIPS2_KBD_PORT)
  52
  53struct LASIPS2KbdPort {
  54    LASIPS2Port parent_obj;
  55
  56    PS2KbdState kbd;
  57};
  58
  59#define TYPE_LASIPS2_MOUSE_PORT "lasips2-mouse-port"
  60OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2MousePort, LASIPS2_MOUSE_PORT)
  61
  62struct LASIPS2MousePort {
  63    LASIPS2Port parent_obj;
  64
  65    PS2MouseState mouse;
  66};
  67
  68struct LASIPS2State {
  69    SysBusDevice parent_obj;
  70
  71    LASIPS2KbdPort kbd_port;
  72    LASIPS2MousePort mouse_port;
  73    uint8_t int_status;
  74    qemu_irq irq;
  75};
  76
  77#define TYPE_LASIPS2 "lasips2"
  78OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2State, LASIPS2)
  79
  80#endif /* HW_INPUT_LASIPS2_H */
  81