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284 lines
8.6 KiB
C
284 lines
8.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1996-1999
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* 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 AUTHOR 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 AUTHOR 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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* from kbdio.h,v 1.8 1998/09/25 11:55:46 yokota Exp
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*/
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#ifndef _DEV_ATKBDC_ATKBDCREG_H_
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#define _DEV_ATKBDC_ATKBDCREG_H_
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/* constants */
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/* I/O ports */
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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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*/
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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_MUX 0x0090
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#define KBDC_FORCE_AUX_OUTPUT 0x00d3
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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_SCANCODE_SET 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_SET_DEFAULTS 0x00f6
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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_RES_LOW 0 /* typically 25ppi */
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#define PSMD_RES_MEDIUM_LOW 1 /* typically 50ppi */
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#define PSMD_RES_MEDIUM_HIGH 2 /* typically 100ppi (default) */
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#define PSMD_RES_HIGH 3 /* typically 200ppi */
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#define PSMD_MAX_RESOLUTION PSMD_RES_HIGH
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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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#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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#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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#define PSM_INTELLI_ID 3
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#define PSM_EXPLORER_ID 4
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#define PSM_4DMOUSE_ID 6
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#define PSM_4DPLUS_ID 8
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#define PSM_4DPLUS_RFSW35_ID 24
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#ifdef _KERNEL
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#include "opt_kbd.h" /* Structures depend on the value if KBDIO_DEBUG */
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#define ATKBDC_DRIVER_NAME "atkbdc"
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/*
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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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*/
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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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#define KBDC_DELAYTIME 20
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#define KBDD_DELAYTIME 7
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/* debug option */
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#ifndef KBDIO_DEBUG
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#define KBDIO_DEBUG 0
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#endif
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/* end of driver specific options */
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/* types/structures */
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#define KBDQ_BUFSIZE 32
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typedef struct _kqueue {
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int head;
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int tail;
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unsigned char q[KBDQ_BUFSIZE];
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#if KBDIO_DEBUG >= 2
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int call_count;
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int qcount;
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int max_qcount;
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#endif
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} kqueue;
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struct resource;
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typedef struct atkbdc_softc {
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struct resource *port0; /* data port */
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struct resource *port1; /* status port */
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struct resource *irq;
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bus_space_tag_t iot;
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bus_space_handle_t ioh0;
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bus_space_handle_t ioh1;
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int command_byte; /* current command byte value */
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int command_mask; /* command byte mask bits for kbd/aux devices */
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int lock; /* FIXME: XXX not quite a semaphore... */
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kqueue kbd; /* keyboard data queue */
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kqueue aux; /* auxiliary data queue */
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int retry;
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int quirks; /* controller doesn't like deactivate */
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#define KBDC_QUIRK_KEEP_ACTIVATED (1 << 0)
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#define KBDC_QUIRK_IGNORE_PROBE_RESULT (1 << 1)
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#define KBDC_QUIRK_RESET_AFTER_PROBE (1 << 2)
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#define KBDC_QUIRK_SETLEDS_ON_INIT (1 << 3)
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#define KBDC_QUIRK_DISABLE_MUX_PROBE (1 << 4)
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int aux_mux_enabled; /* active PS/2 multiplexing is enabled */
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int aux_mux_port; /* current aux mux port */
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} atkbdc_softc_t;
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enum kbdc_device_ivar {
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KBDC_IVAR_VENDORID,
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KBDC_IVAR_SERIAL,
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KBDC_IVAR_LOGICALID,
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KBDC_IVAR_COMPATID,
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};
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typedef atkbdc_softc_t *KBDC;
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#define KBDC_RID_KBD 0
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#define KBDC_RID_AUX 1
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#define KBDC_AUX_MUX_NUM_PORTS 4
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/* function prototypes */
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atkbdc_softc_t *atkbdc_get_softc(int unit);
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int atkbdc_probe_unit(int unit, struct resource *port0, struct resource *port1);
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int atkbdc_attach_unit(int unit, atkbdc_softc_t *sc, struct resource *port0,
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struct resource *port1);
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int atkbdc_configure(void);
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KBDC atkbdc_open(int unit);
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int kbdc_lock(KBDC kbdc, int lock);
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int kbdc_data_ready(KBDC kbdc);
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int write_controller_command(KBDC kbdc,int c);
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int write_controller_data(KBDC kbdc,int c);
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int write_kbd_command(KBDC kbdc,int c);
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int write_aux_command(KBDC kbdc,int c);
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int send_kbd_command(KBDC kbdc,int c);
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int send_aux_command(KBDC kbdc,int c);
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int send_kbd_command_and_data(KBDC kbdc,int c,int d);
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int send_aux_command_and_data(KBDC kbdc,int c,int d);
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int read_controller_data(KBDC kbdc);
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int read_kbd_data(KBDC kbdc);
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int read_kbd_data_no_wait(KBDC kbdc);
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int read_aux_data(KBDC kbdc);
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int read_aux_data_no_wait(KBDC kbdc);
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void empty_kbd_buffer(KBDC kbdc, int t);
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void empty_aux_buffer(KBDC kbdc, int t);
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void empty_both_buffers(KBDC kbdc, int t);
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int reset_kbd(KBDC kbdc);
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int reset_aux_dev(KBDC kbdc);
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int test_controller(KBDC kbdc);
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int test_kbd_port(KBDC kbdc);
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int test_aux_port(KBDC kbdc);
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int kbdc_get_device_mask(KBDC kbdc);
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void kbdc_set_device_mask(KBDC kbdc, int mask);
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int get_controller_command_byte(KBDC kbdc);
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int set_controller_command_byte(KBDC kbdc, int command, int flag);
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int set_active_aux_mux_port(KBDC p, int port);
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int enable_aux_mux(KBDC p);
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int disable_aux_mux(KBDC p);
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int aux_mux_is_enabled(KBDC p);
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#endif /* _KERNEL */
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#endif /* !_DEV_ATKBDC_ATKBDCREG_H_ */
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