Bochs/bochs/iodev/usb/usb_hid.h

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// USB HID emulation support (mouse and tablet) ported from QEMU
// USB keypad emulation based on code by Benjamin D Lunt (fys [at] fysnet [dot] net)
// USB keyboard emulation is an extension to the keypad based on the specs
//
// Copyright (c) 2005 Fabrice Bellard
// Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com)
// Copyright (C) 2009-2021 The Bochs Project
//
// 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.
2009-02-08 00:05:31 +03:00
/////////////////////////////////////////////////////////////////////////
#ifndef BX_IODEV_USB_HID_H
#define BX_IODEV_USB_HID_H
class usb_hid_device_c : public usb_device_c {
public:
usb_hid_device_c(usbdev_type type);
virtual ~usb_hid_device_c(void);
virtual bool init();
virtual const char* get_info();
virtual void handle_reset();
virtual int handle_control(int request, int value, int index, int length, Bit8u *data);
virtual int handle_data(USBPacket *p);
virtual void register_state_specific(bx_list_c *parent);
private:
struct {
bool has_events;
Bit8u idle;
int mouse_delayed_dx;
int mouse_delayed_dy;
Bit16s mouse_x;
Bit16s mouse_y;
Bit8s mouse_z;
Bit8u b_state;
Bit8u mouse_event_count;
Bit8u mouse_event_buf[BX_KBD_ELEMENTS][6];
Bit8u kbd_packet[8];
Bit8u indicators;
Bit8u kbd_event_count;
Bit32u kbd_event_buf[BX_KBD_ELEMENTS];
} s;
int timer_index;
static bool gen_scancode_static(void *dev, Bit32u key);
bool gen_scancode(Bit32u key);
static Bit8u kbd_get_elements_static(void *dev);
Bit8u kbd_get_elements(void);
static void mouse_enabled_changed(void *dev, bool enabled);
static void mouse_enq_static(void *dev, int delta_x, int delta_y, int delta_z, unsigned button_state, bool absxy);
void mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state, bool absxy);
int mouse_poll(Bit8u *buf, int len, bool force);
int create_mouse_packet(Bit8u *buf, int len);
int get_mouse_packet(Bit8u *buf, int len);
int keyboard_poll(Bit8u *buf, int len, bool force);
static void hid_timer_handler(void *);
void start_idle_timer(void);
void hid_idle_timer(void);
};
#endif