Bochs/bochs/iodev/keyboard.h
Bryce Denney b394a44157 - made keyboard_paste_delay a runtime configurable option
- clean up comments & debug msgs in paste code
2002-03-26 14:46:03 +00:00

215 lines
6.9 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id: keyboard.h,v 1.14 2002-03-26 14:46:03 bdenney Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef _PCKEY_H
#define _PCKEY_H
#define BX_KBD_ELEMENTS 16
#define BX_MOUSE_BUFF_SIZE 48
#if BX_USE_KEY_SMF
# define BX_KEY_SMF static
# define BX_KEY_THIS bx_keyboard.
#else
# define BX_KEY_SMF
# define BX_KEY_THIS this->
#endif
#define MOUSE_MODE_RESET 10
#define MOUSE_MODE_STREAM 11
#define MOUSE_MODE_REMOTE 12
#define MOUSE_MODE_WRAP 13
extern bx_keyb_c bx_keyboard;
class bx_keyb_c : public logfunctions {
public:
bx_keyb_c(void);
~bx_keyb_c(void);
BX_KEY_SMF void init(bx_devices_c *d, bx_cmos_c *cmos);
BX_KEY_SMF void gen_scancode(Bit32u scancode);
BX_KEY_SMF void paste_bytes(Bit8u *data, Bit32s length);
BX_KEY_SMF void service_paste_buf ();
BX_KEY_SMF Bit8u get_kbd_enable(void);
BX_KEY_SMF void mouse_motion(int delta_x, int delta_y, unsigned button_state);
BX_KEY_SMF void mouse_enabled_changed(bool enabled);
BX_KEY_SMF void create_mouse_packet(bool force_enq);
BX_KEY_SMF void mouse_button(unsigned mouse_state);
BX_KEY_SMF int SaveState( class state_file *fd );
BX_KEY_SMF int LoadState( class state_file *fd );
BX_KEY_SMF unsigned periodic( Bit32u usec_delta );
BX_KEY_SMF void put_scancode( unsigned char *code, int count );
// update the paste delay based on bx_options.Okeyboard_paste_delay
BX_KEY_SMF void paste_delay_changed ();
private:
static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
#if !BX_USE_KEY_SMF
void write(Bit32u address, Bit32u value, unsigned io_len);
Bit32u read(Bit32u address, unsigned io_len);
#endif
struct {
struct {
/* status bits matching the status port*/
Boolean pare; // Bit7, 1= parity error from keyboard/mouse - ignored.
Boolean tim; // Bit6, 1= timeout from keyboard - ignored.
Boolean auxb; // Bit5, 1= mouse data waiting for CPU to read.
Boolean keyl; // Bit4, 1= keyswitch in lock position - ignored.
Boolean c_d; /* Bit3, 1=command to port 64h, 0=data to port 60h */
Boolean sysf; // Bit2,
Boolean inpb; // Bit1,
Boolean outb; // Bit0, 1= keyboard data or mouse data ready for CPU
// check aux to see which. Or just keyboard
// data before AT style machines
/* internal to our version of the keyboard controller */
Boolean kbd_clock_enabled;
Boolean aux_clock_enabled;
Boolean allow_irq1;
Boolean allow_irq12;
Bit8u kbd_output_buffer;
Bit8u aux_output_buffer;
Bit8u last_comm;
Bit8u expecting_port60h;
Bit8u expecting_mouse_parameter;
Bit8u last_mouse_command;
Bit32u timer_pending;
Boolean irq1_requested;
Boolean irq12_requested;
Boolean scancodes_translate;
Boolean expecting_scancodes_set;
Bit8u current_scancodes_set;
} kbd_controller;
struct mouseStruct {
Bit8u sample_rate;
Bit8u resolution_cpmm; // resolution in counts per mm
Bit8u scaling;
Bit8u mode;
Bit8u saved_mode; // the mode prior to entering wrap mode
Boolean enable;
Bit8u get_status_byte ()
{
// top bit is 0 , bit 6 is 1 if remote mode.
Bit8u ret = (mode == MOUSE_MODE_REMOTE) ? 0x40 : 0;
ret |= (enable << 5);
ret |= (scaling == 1) ? 0 : (1 << 4);
ret |= ((button_status & 0x1) << 2);
ret |= ((button_status & 0x2) << 0);
return ret;
}
Bit8u get_resolution_byte ()
{
Bit8u ret = 0;
switch (resolution_cpmm) {
case 1:
ret = 0;
break;
case 2:
ret = 1;
break;
case 4:
ret = 2;
break;
case 8:
ret = 3;
break;
default:
bx_keyboard.panic("mouse: invalid resolution_cpmm");
};
return ret;
}
Bit8u button_status;
Bit16s delayed_dx;
Bit16s delayed_dy;
} mouse;
struct {
int num_elements;
Bit8u buffer[BX_KBD_ELEMENTS];
int head;
Boolean expecting_typematic;
Boolean expecting_led_write;
Bit8u delay;
Bit8u repeat_rate;
Bit8u led_status;
Boolean scanning_enabled;
} kbd_internal_buffer;
struct {
int num_elements;
Bit8u buffer[BX_MOUSE_BUFF_SIZE];
int head;
} mouse_internal_buffer;
#define BX_KBD_CONTROLLER_QSIZE 5
Bit8u controller_Q[BX_KBD_CONTROLLER_QSIZE];
unsigned controller_Qsize;
unsigned controller_Qsource; // 0=keyboard, 1=mouse
} s; // State information for saving/loading
bx_devices_c *devices;
// The paste buffer does NOT exist in the hardware. It is a bochs
// construction that allows the user to "paste" arbitrary length sequences of
// keystrokes into the emulated machine. Since the hardware buffer is only
// 16 bytes, a very amount of data can be added to the hardware buffer at a
// time. The paste buffer keeps track of the bytes that have not yet been
// pasted.
Bit8u *pastebuf; // ptr to bytes to be pasted, or NULL if none in progress
Bit32u pastebuf_len; // length of pastebuf
Bit32u pastebuf_ptr; // ptr to next byte to be added to hw buffer
Bit32u pastedelay; // count before paste
BX_KEY_SMF void resetinternals(Boolean powerup);
BX_KEY_SMF void set_kbd_clock_enable(Bit8u value);
BX_KEY_SMF void set_aux_clock_enable(Bit8u value);
BX_KEY_SMF void kbd_ctrl_to_kbd(Bit8u value);
BX_KEY_SMF void kbd_ctrl_to_mouse(Bit8u value);
BX_KEY_SMF void kbd_enQ(Bit8u scancode);
BX_KEY_SMF void kbd_enQ_imm(Bit8u val);
BX_KEY_SMF void activate_timer(void);
BX_KEY_SMF void controller_enQ(Bit8u data, unsigned source);
BX_KEY_SMF Boolean mouse_enQ_packet(Bit8u b1, Bit8u b2, Bit8u b3);
BX_KEY_SMF void mouse_enQ(Bit8u mouse_data);
};
#endif // #ifndef _PCKEY_H