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