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/*-
* Copyright (c) 1996 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kbdio.h,v 1.2 1996/12/01 19:05:45 sos Exp $
*/
#ifndef _I386_ISA_KBDIO_H_
#define _I386_ISA_KBDIO_H_
/* constants */
/* I/O ports */
#ifdef PC98
#define KBD_STATUS_PORT 2 /* status port, read */
#define KBD_COMMAND_PORT 2 /* controller command port, write */
#define KBD_DATA_PORT 0 /* data port, read/write
also used as keyboard command
and mouse command port */
#else
#define KBD_STATUS_PORT 4 /* status port, read */
#define KBD_COMMAND_PORT 4 /* controller command port, write */
#define KBD_DATA_PORT 0 /* data port, read/write
also used as keyboard command
and mouse command port */
#endif /* PC98 */
/* FIXME: `IO_PSMSIZE' should really be in `isa.h'. */
#define IO_PSMSIZE (KBD_COMMAND_PORT - KBD_DATA_PORT + 1) /* 5 */
/* controller commands (sent to KBD_COMMAND_PORT) */
#define KBDC_SET_COMMAND_BYTE 0x0060
#define KBDC_GET_COMMAND_BYTE 0x0020
#define KBDC_WRITE_TO_AUX 0x00d4
#define KBDC_DISABLE_AUX_PORT 0x00a7
#define KBDC_ENABLE_AUX_PORT 0x00a8
#define KBDC_TEST_AUX_PORT 0x00a9
#define KBDC_DIAGNOSE 0x00aa
#define KBDC_TEST_KBD_PORT 0x00ab
#define KBDC_DISABLE_KBD_PORT 0x00ad
#define KBDC_ENABLE_KBD_PORT 0x00ae
/* controller command byte (set by KBDC_SET_COMMAND_BYTE) */
#define KBD_TRANSLATION 0x0040
#define KBD_RESERVED_BITS 0x0004
#define KBD_OVERRIDE_KBD_LOCK 0x0008
#define KBD_ENABLE_KBD_PORT 0x0000
#define KBD_DISABLE_KBD_PORT 0x0010
#define KBD_ENABLE_AUX_PORT 0x0000
#define KBD_DISABLE_AUX_PORT 0x0020
#define KBD_ENABLE_AUX_INT 0x0002
#define KBD_DISABLE_AUX_INT 0x0000
#define KBD_ENABLE_KBD_INT 0x0001
#define KBD_DISABLE_KBD_INT 0x0000
#define KBD_KBD_CONTROL_BITS (KBD_DISABLE_KBD_PORT | KBD_ENABLE_KBD_INT)
#define KBD_AUX_CONTROL_BITS (KBD_DISABLE_AUX_PORT | KBD_ENABLE_AUX_INT)
/* keyboard device commands (sent to KBD_DATA_PORT) */
#define KBDC_RESET_KBD 0x00ff
#define KBDC_ENABLE_KBD 0x00f4
#define KBDC_DISABLE_KBD 0x00f5
#define KBDC_SET_DEFAULTS 0x00f6
#define KBDC_SEND_DEV_ID 0x00f2
#define KBDC_SET_LEDS 0x00ed
#define KBDC_ECHO 0x00ee
#define KBDC_SET_SCAN_CODESET 0x00f0
#define KBDC_SET_TYPEMATIC 0x00f3
/* aux device commands (sent to KBD_DATA_PORT) */
#define PSMC_RESET_DEV 0x00ff
#define PSMC_ENABLE_DEV 0x00f4
#define PSMC_DISABLE_DEV 0x00f5
#define PSMC_SEND_DEV_ID 0x00f2
#define PSMC_SEND_DEV_STATUS 0x00e9
#define PSMC_SEND_DEV_DATA 0x00eb
#define PSMC_SET_SCALING11 0x00e6
#define PSMC_SET_SCALING21 0x00e7
#define PSMC_SET_RESOLUTION 0x00e8
#define PSMC_SET_STREAM_MODE 0x00ea
#define PSMC_SET_REMOTE_MODE 0x00f0
#define PSMC_SET_SAMPLING_RATE 0x00f3
/* PSMC_SET_RESOLUTION argument */
#define PSMD_RESOLUTION_25 0 /* 25ppi */
#define PSMD_RESOLUTION_50 1 /* 50ppi */
#define PSMD_RESOLUTION_100 2 /* 100ppi (default after reset) */
#define PSMD_RESOLUTION_200 3 /* 200ppi */
/* FIXME: I don't know if it's possible to go beyond 200ppi.
The values below are of my wild guess. */
#define PSMD_RESOLUTION_400 4 /* 400ppi */
#define PSMD_RESOLUTION_800 5 /* 800ppi */
#define PSMD_MAX_RESOLUTION PSMD_RESOLUTION_800
/* PSMC_SET_SAMPLING_RATE */
#define PSMD_MAX_RATE 255 /* FIXME: not sure if it's possible */
/* status bits (KBD_STATUS_PORT) */
#ifdef PC98
#define KBDS_BUFFER_FULL 0x0002
#define KBDS_ANY_BUFFER_FULL 0x0002
#define KBDS_KBD_BUFFER_FULL 0x0002
#define KBDS_AUX_BUFFER_FULL 0x0002
#else
#define KBDS_BUFFER_FULL 0x0021
#define KBDS_ANY_BUFFER_FULL 0x0001
#define KBDS_KBD_BUFFER_FULL 0x0001
#define KBDS_AUX_BUFFER_FULL 0x0021
#endif
#define KBDS_INPUT_BUFFER_FULL 0x0002
/* return code */
#define KBD_ACK 0x00fa
#define KBD_RESEND 0x00fe
#define KBD_RESET_DONE 0x00aa
#define KBD_RESET_FAIL 0x00fc
#define KBD_DIAG_DONE 0x0055
#define KBD_DIAG_FAIL 0x00fd
#define KBD_ECHO 0x00ee
#define PSM_ACK 0x00fa
#define PSM_RESEND 0x00fe
#define PSM_RESET_DONE 0x00aa
#define PSM_RESET_FAIL 0x00fc
/* aux device ID */
#define PSM_MOUSE_ID 0
#define PSM_BALLPOINT_ID 2
#ifdef KERNEL
/* driver specific options: the following options may be set by
`options' statements in the kernel configuration file. */
/* retry count */
#ifndef KBD_MAXRETRY
#define KBD_MAXRETRY 3
#endif
/* timing parameters */
#ifndef KBD_RESETDELAY
#define KBD_RESETDELAY 200 /* wait 200msec after kbd/mouse reset */
#endif
#ifndef KBD_MAXWAIT
#define KBD_MAXWAIT 5 /* wait 5 times at most after reset */
#endif
/* I/O recovery time */
#ifdef PC98
#define KBDC_DELAYTIME 37
#define KBDD_DELAYTIME 37
#else
#define KBDC_DELAYTIME 20
#define KBDD_DELAYTIME 7
#endif
/* debugging */
/* #define KBDIO_DEBUG produces debugging output */
/* end of driver specific options */
/* misc */
#ifndef TRUE
#define TRUE (-1)
#endif
#ifndef FALSE
#define FALSE 0
#endif
/* function prototypes */
int wait_while_controller_busy __P((int port));
int wait_for_data __P((int port));
int wait_for_kbd_data __P((int port));
int wait_for_aux_data __P((int port));
int write_controller_command __P((int port,int c));
int write_controller_data __P((int port,int c));
int write_kbd_command __P((int port,int c));
int write_aux_command __P((int port,int c));
int send_kbd_command __P((int port,int c));
int send_aux_command __P((int port,int c));
int send_kbd_command_and_data __P((int port,int c,int d));
int send_aux_command_and_data __P((int port,int c,int d));
int read_controller_data __P((int port));
int read_kbd_data __P((int port));
int read_kbd_data_no_wait __P((int port));
int read_aux_data __P((int port));
void empty_kbd_buffer __P((int port, int t));
void empty_aux_buffer __P((int port, int t));
void empty_both_buffers __P((int port, int t));
int reset_kbd __P((int port));
int reset_aux_dev __P((int port));
int test_controller __P((int port));
int test_kbd_port __P((int port));
int test_aux_port __P((int port));
int set_controller_command_byte __P((int port,int command,int flag));
#endif /* KERNEL */
#endif /* !_I386_ISA_KBDIO_H_ */
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