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105 pj 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/**
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 ------------
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 CVS :        $Id: 8042.h,v 1.1 2003-03-24 10:54:16 pj Exp $
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 File:        $File$
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 Revision:    $Revision: 1.1 $
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 Last update: $Date: 2003-03-24 10:54:16 $
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 ------------
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 8042.h
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 Interface between high level drivers
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 and the 8042 keyboard and PS/2 mouse controller
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 Revision:    1.0
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 Last update: 22/Mar/1999
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 Created by Massimiliano Giorgi, modified by Paolo Gai to support the
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 kernel 4.0.0
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**/
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/*
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 * Copyright (C) 2000 Paolo Gai
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program 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
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; 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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 *
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 */
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#ifndef __8042_H__
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#define __8042_H__
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#include <arch/sys/cdefs.h>
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__BEGIN_DECLS
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#define C8042_KEYBOARDIRQ  1
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#define C8042_PS2IRQ      12
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/*
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 * init, enable, disable, get data for the keyboard
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 */
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int C8042_keyboardinit(PID task);
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int C8042_keyboarddisable(void);
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int C8042_keyboardenable(void);
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int C8042_keyboardget(BYTE *data,BYTE access);
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/*
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 * init, enable, disable, get data for the ps/2 mouse (auxiliary port)
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 */
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int C8042_auxinit(PID task);
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int C8042_auxportdisable(void);
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int C8042_auxportenable(void);
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int C8042_auxget(BYTE *data,BYTE access);
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int C8042_auxend(void);
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/* test if there is a PS/2 mouse on the aux port */
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int C8042_ps2mousepresent(void);
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/*
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 * keyboard led controll
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 */
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void C8042_keyboardleds(BYTE numlock, BYTE cps, BYTE scrolllock);
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/*
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 *
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 * from Linux OS kernel 2.2.2
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 * (see GPL license)
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 * with some modification
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 */
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/*
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 *      Keyboard Controller Registers
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 */
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#define KBD_STATUS_REG          0x64    /* Status register (R) */
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#define KBD_CNTL_REG            0x64    /* Controller command register (W) */
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#define KBD_DATA_REG            0x60    /* Keyboard data register (R/W) */
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/*
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 *      Keyboard Controller Commands
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 */
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#define KBD_CCMD_READ_MODE      0x20    /* Read mode bits */
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#define KBD_CCMD_WRITE_MODE     0x60    /* Write mode bits */
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#define KBD_CCMD_GET_VERSION    0xA1    /* Get controller version */
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#define KBD_CCMD_MOUSE_DISABLE  0xA7    /* Disable mouse interface */
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#define KBD_CCMD_MOUSE_ENABLE   0xA8    /* Enable mouse interface */
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#define KBD_CCMD_TEST_MOUSE     0xA9    /* Mouse interface test */
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#define KBD_CCMD_SELF_TEST      0xAA    /* Controller self test */
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#define KBD_CCMD_KBD_TEST       0xAB    /* Keyboard interface test */
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#define KBD_CCMD_KBD_DISABLE    0xAD    /* Keyboard interface disable */
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#define KBD_CCMD_KBD_ENABLE     0xAE    /* Keyboard interface enable */
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#define KBD_CCMD_WRITE_AUX_OBUF 0xD3    /* Write to output buffer as if
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                                           initiated by the auxiliary device */
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#define KBD_CCMD_WRITE_MOUSE    0xD4    /* Write the following byte to the mouse */
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/* added by me (MG) */
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#define KBD_CCMD_GET_MODE       0xCA    /* Get controller mode (AT or PS/2) */
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#define KBD_CREPLY_PS2MODE      0x01    /* PS2 mode */
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#define KBD_CREPLY_ATMODE       0x00    /* AT mode */
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#define KBD_CREPLY_GETMODEMASK  0x01    /* mask value for CCMD_GET_MODE */
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/*
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 *      Keyboard Commands
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 */
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#define KBD_CMD_SET_LEDS        0xED    /* Set keyboard leds */
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#define KBD_CMD_SET_RATE        0xF3    /* Set typematic rate */
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#define KBD_CMD_ENABLE          0xF4    /* Enable scanning */
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#define KBD_CMD_DISABLE         0xF5    /* Disable scanning */
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#define KBD_CMD_RESET           0xFF    /* Reset */
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/* added by me (MG) */
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#define KBD_CMD_SET_ALL_TYPEMATIC 0xF7  /* Set all key typematic */
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#define KBD_LED_NUMLOCK         0x02
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#define KBD_LED_CAPSLOCK        0x04
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#define KBD_LED_SCROLLLOCK      0x01
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#define KBD_LED_MASK            0x07
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/*
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 *      Keyboard Replies
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 */
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#define KBD_REPLY_POR           0xAA    /* Power on reset */
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#define KBD_REPLY_ACK           0xFA    /* Command ACK */
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#define KBD_REPLY_RESEND        0xFE    /* Command NACK, send the cmd again */
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/* added by me (MG) */
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#define KBD_REPLY_KISTOK        0x00    /* Keyboard Interface Self Test OK */
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#define KBD_REPLY_CSTOK         0x55    /* Controller self test OK */
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#define KBD_REPLY_MISTOK        0x00    /* Mouse Interface Self Test OK */
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/*
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 *      Status Register Bits
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 */
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#define KBD_STAT_OBF            0x01    /* Keyboard output buffer full */
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#define KBD_STAT_IBF            0x02    /* Keyboard input buffer full */
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#define KBD_STAT_SELFTEST       0x04    /* Self test successful */
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#define KBD_STAT_CMD            0x08    /* Last write was a command write (0=data) */
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#define KBD_STAT_UNLOCKED       0x10    /* Zero if keyboard locked */
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#define KBD_STAT_MOUSE_OBF      0x20    /* Mouse output buffer full */
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#define KBD_STAT_GTO            0x40    /* General receive/xmit timeout */
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#define KBD_STAT_PERR           0x80    /* Parity error */
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#define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
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/*
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 *      Controller Mode Register Bits
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 */
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#define KBD_MODE_KBD_INT        0x01    /* Keyboard data generate IRQ1 */
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#define KBD_MODE_MOUSE_INT      0x02    /* Mouse data generate IRQ12 */
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#define KBD_MODE_SYS            0x04    /* The system flag (?) */
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#define KBD_MODE_NO_KEYLOCK     0x08    /* The keylock doesn't affect the keyboard if set */
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#define KBD_MODE_DISABLE_KBD    0x10    /* Disable keyboard interface */
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#define KBD_MODE_DISABLE_MOUSE  0x20    /* Disable mouse interface */
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#define KBD_MODE_KCC            0x40    /* Scan code conversion to PC format */
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#define KBD_MODE_RFU            0x80
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/*
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 *      Mouse Commands
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 */
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#define AUX_SET_RES             0xE8    /* Set resolution */
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#define AUX_SET_SCALE11         0xE6    /* Set 1:1 scaling */
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#define AUX_SET_SCALE21         0xE7    /* Set 2:1 scaling */
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#define AUX_GET_SCALE           0xE9    /* Get scaling factor */
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#define AUX_SET_STREAM          0xEA    /* Set stream mode */
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#define AUX_SET_SAMPLE          0xF3    /* Set sample rate */
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#define AUX_ENABLE_DEV          0xF4    /* Enable aux device */
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#define AUX_DISABLE_DEV         0xF5    /* Disable aux device */
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#define AUX_RESET               0xFF    /* Reset aux device */
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#define AUX_ACK                 0xFA    /* Command byte ACK. */
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#define AUX_BUF_SIZE            2048    /* This might be better divisible by
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                                           three to make overruns stay in sync
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                                           but then the read function would
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                                           need
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                                           */
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__END_DECLS
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#endif
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