iodev/usb_hid.h

   1 /////////////////////////////////////////////////////////////////////////
   2 // $Id: usb_hid.h,v 1.5 2007/09/28 19:52:06 sshwarts Exp $
   3 /////////////////////////////////////////////////////////////////////////
   4 //
   5 //  Copyright (C) 2007  Volker Ruppert
   6 //
   7 //  This library is free software; you can redistribute it and/or
   8 //  modify it under the terms of the GNU Lesser General Public
   9 //  License as published by the Free Software Foundation; either
  10 //  version 2 of the License, or (at your option) any later version.
  11 //
  12 //  This library is distributed in the hope that it will be useful,
  13 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 //  Lesser General Public License for more details.
  16 //
  17 //  You should have received a copy of the GNU Lesser General Public
  18 //  License along with this library; if not, write to the Free Software
  19 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  20
  21 // USB HID emulation support ported from the Qemu project
  22
  23 #ifndef BX_IODEV_USB_HID_H
  24 #define BX_IODEV_USB_HID_H
  25
  26
  27 class usb_hid_device_t : public usb_device_t {
  28 public:
  29   usb_hid_device_t(usbdev_type type);
  30   virtual ~usb_hid_device_t(void);
  31
  32   virtual void handle_reset();
  33   virtual int handle_control(int request, int value, int index, int length, Bit8u *data);
  34   virtual int handle_data(USBPacket *p);
  35   virtual void register_state_specific(bx_list_c *parent);
  36   void mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state);
  37   bx_bool key_enq(Bit8u *scan_code);
  38 protected:
  39   int mouse_poll(Bit8u *buf, int len);
  40   int keypad_poll(Bit8u *buf, int len);
  41
  42 private:
  43   struct {
  44     int mouse_delayed_dx;
  45     int mouse_delayed_dy;
  46     int mouse_delayed_dz;
  47     Bit16s mouse_x;
  48     Bit16s mouse_y;
  49     Bit8s mouse_z;
  50     Bit8u b_state;
  51     Bit8u saved_key[8];
  52     Bit8u key_pad_packet[8];
  53   } s;
  54 };
  55
  56 #endif