199 lines
6.1 KiB
C++
199 lines
6.1 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: keyboard.h,v 1.11 2001-12-22 00:00:33 cbothamy Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef _PCKEY_H
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#define _PCKEY_H
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#define BX_KBD_ELEMENTS 16
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#define BX_MOUSE_BUFF_SIZE 48
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#if BX_USE_KEY_SMF
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# define BX_KEY_SMF static
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# define BX_KEY_THIS bx_keyboard.
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#else
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# define BX_KEY_SMF
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# define BX_KEY_THIS this->
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#endif
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#define MOUSE_MODE_RESET 10
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#define MOUSE_MODE_STREAM 11
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#define MOUSE_MODE_REMOTE 12
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#define MOUSE_MODE_WRAP 13
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extern bx_keyb_c bx_keyboard;
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class bx_keyb_c : public logfunctions {
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public:
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bx_keyb_c(void);
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~bx_keyb_c(void);
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BX_KEY_SMF void init(bx_devices_c *d, bx_cmos_c *cmos);
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BX_KEY_SMF void gen_scancode(Bit32u scancode);
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BX_KEY_SMF Bit8u get_kbd_enable(void);
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BX_KEY_SMF void mouse_motion(int delta_x, int delta_y, unsigned button_state);
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BX_KEY_SMF void mouse_enabled_changed(bool enabled);
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BX_KEY_SMF void create_mouse_packet(bool force_enq);
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BX_KEY_SMF void mouse_button(unsigned mouse_state);
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BX_KEY_SMF int SaveState( class state_file *fd );
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BX_KEY_SMF int LoadState( class state_file *fd );
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BX_KEY_SMF unsigned periodic( Bit32u usec_delta );
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BX_KEY_SMF void put_scancode( unsigned char *code, int count );
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private:
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static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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#if !BX_USE_KEY_SMF
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void write(Bit32u address, Bit32u value, unsigned io_len);
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Bit32u read(Bit32u address, unsigned io_len);
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#endif
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struct {
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struct {
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/* status bits matching the status port*/
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Boolean pare; // Bit7, 1= parity error from keyboard/mouse - ignored.
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Boolean tim; // Bit6, 1= timeout from keyboard - ignored.
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Boolean auxb; // Bit5, 1= mouse data waiting for CPU to read.
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Boolean keyl; // Bit4, 1= keyswitch in lock position - ignored.
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Boolean c_d; /* Bit3, 1=command to port 64h, 0=data to port 60h */
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Boolean sysf; // Bit2,
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Boolean inpb; // Bit1,
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Boolean outb; // Bit0, 1= keyboard data or mouse data ready for CPU
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// check aux to see which. Or just keyboard
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// data before AT style machines
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/* internal to our version of the keyboard controller */
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Boolean kbd_clock_enabled;
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Boolean aux_clock_enabled;
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Boolean allow_irq1;
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Boolean allow_irq12;
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Bit8u kbd_output_buffer;
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Bit8u aux_output_buffer;
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Bit8u last_comm;
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Bit8u expecting_port60h;
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Bit8u expecting_mouse_parameter;
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Bit8u last_mouse_command;
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Bit32u timer_pending;
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Boolean irq1_requested;
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Boolean irq12_requested;
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Boolean scancodes_translate;
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Boolean expecting_scancodes_set;
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Bit8u current_scancodes_set;
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} kbd_controller;
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struct mouseStruct {
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Bit8u sample_rate;
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Bit8u resolution_cpmm; // resolution in counts per mm
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Bit8u scaling;
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Bit8u mode;
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Bit8u saved_mode; // the mode prior to entering wrap mode
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Boolean enable;
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Bit8u get_status_byte ()
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{
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// top bit is 0 , bit 6 is 1 if remote mode.
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Bit8u ret = (mode == MOUSE_MODE_REMOTE) ? 0x40 : 0;
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ret |= (enable << 5);
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ret |= (scaling == 1) ? 0 : (1 << 4);
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ret |= ((button_status & 0x1) << 2);
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ret |= ((button_status & 0x2) << 0);
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return ret;
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}
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Bit8u get_resolution_byte ()
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{
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Bit8u ret = 0;
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switch (resolution_cpmm) {
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case 1:
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ret = 0;
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break;
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case 2:
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ret = 1;
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break;
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case 4:
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ret = 2;
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break;
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case 8:
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ret = 3;
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break;
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default:
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bx_keyboard.panic("mouse: invalid resolution_cpmm");
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};
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return ret;
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}
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Bit8u button_status;
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Bit16s delayed_dx;
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Bit16s delayed_dy;
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} mouse;
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struct {
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int num_elements;
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Bit8u buffer[BX_KBD_ELEMENTS];
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int head;
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Boolean expecting_typematic;
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Boolean expecting_led_write;
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Bit8u delay;
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Bit8u repeat_rate;
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Bit8u led_status;
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Boolean scanning_enabled;
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} kbd_internal_buffer;
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struct {
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int num_elements;
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Bit8u buffer[BX_MOUSE_BUFF_SIZE];
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int head;
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} mouse_internal_buffer;
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#define BX_KBD_CONTROLLER_QSIZE 5
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Bit8u controller_Q[BX_KBD_CONTROLLER_QSIZE];
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unsigned controller_Qsize;
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unsigned controller_Qsource; // 0=keyboard, 1=mouse
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} s; // State information for saving/loading
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bx_devices_c *devices;
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BX_KEY_SMF void resetinternals(Boolean powerup);
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BX_KEY_SMF void set_kbd_clock_enable(Bit8u value);
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BX_KEY_SMF void set_aux_clock_enable(Bit8u value);
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BX_KEY_SMF void kbd_ctrl_to_kbd(Bit8u value);
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BX_KEY_SMF void kbd_ctrl_to_mouse(Bit8u value);
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BX_KEY_SMF void kbd_enQ(Bit8u scancode);
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BX_KEY_SMF void kbd_enQ_imm(Bit8u val);
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BX_KEY_SMF void activate_timer(void);
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BX_KEY_SMF void controller_enQ(Bit8u data, unsigned source);
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BX_KEY_SMF Boolean mouse_enQ_packet(Bit8u b1, Bit8u b2, Bit8u b3);
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BX_KEY_SMF void mouse_enQ(Bit8u mouse_data);
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};
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#endif // #ifndef _PCKEY_H
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