271 lines
9.3 KiB
C
271 lines
9.3 KiB
C
/*-
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* Copyright (c) 1999 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 as
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* the first lines of this file unmodified.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: $
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*/
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#ifndef _DEV_KBD_KBDREG_H_
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#define _DEV_KBD_KBDREG_H_
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/* forward declarations */
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typedef struct keyboard keyboard_t;
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struct keymap;
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struct accentmap;
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struct fkeytab;
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/* call back funcion */
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typedef int kbd_callback_func_t(keyboard_t *kbd, int event,
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void *arg);
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/* event types */
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#define KBDIO_KEYINPUT 0
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#define KBDIO_UNLOADING 1
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typedef struct keyboard_callback {
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kbd_callback_func_t *kc_func;
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void *kc_arg;
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} keyboard_callback_t;
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/* keyboard */
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struct keyboard {
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/* the following fields are managed by kbdio */
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int kb_index; /* kbdio index# */
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int kb_minor; /* minor number of the sub-device */
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int kb_flags; /* internal flags */
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#define KB_VALID (1 << 16) /* this entry is valid */
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#define KB_NO_DEVICE (1 << 17) /* device not present */
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#define KB_PROBED (1 << 18) /* device probed */
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#define KB_INITIALIZED (1 << 19) /* device initialized */
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#define KB_REGISTERED (1 << 20) /* device registered to kbdio */
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#define KB_BUSY (1 << 21) /* device used by a client */
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int kb_active; /* 0: inactive */
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void *kb_token; /* id of the current client */
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keyboard_callback_t kb_callback;/* callback function */
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/*
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* Device configuration flags:
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* The upper 16 bits are common between various keyboard devices.
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* The lower 16 bits are device-specific.
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*/
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int kb_config;
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#define KB_CONF_PROBE_ONLY (1 << 16) /* probe only, don't initialize */
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/* the following fields are set up by the driver */
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char *kb_name; /* driver name */
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int kb_unit; /* unit # */
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int kb_type; /* KB_84, KB_101, KB_OTHER,... */
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int kb_io_base; /* port# if any */
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int kb_io_size; /* # of occupied port */
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int kb_led; /* LED status */
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struct keymap *kb_keymap; /* key map */
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struct accentmap *kb_accentmap; /* accent map */
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struct fkeytab *kb_fkeytab; /* function key strings */
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int kb_fkeytab_size;/* # of function key strings */
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void *kb_data; /* the driver's private data */
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};
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#define KBD_IS_VALID(k) ((k)->kb_flags & KB_VALID)
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#define KBD_VALID(k) ((k)->kb_flags |= KB_VALID)
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#define KBD_INVALID(k) ((k)->kb_flags &= ~KB_VALID)
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#define KBD_HAS_DEVICE(k) (!((k)->kb_flags & KB_NO_DEVICE))
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#define KBD_FOUND_DEVICE(k) ((k)->kb_flags &= ~KB_NO_DEVICE)
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#define KBD_IS_PROBED(k) ((k)->kb_flags & KB_PROBED)
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#define KBD_PROBE_DONE(k) ((k)->kb_flags |= KB_PROBED)
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#define KBD_IS_INITIALIZED(k) ((k)->kb_flags & KB_INITIALIZED)
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#define KBD_INIT_DONE(k) ((k)->kb_flags |= KB_INITIALIZED)
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#define KBD_IS_CONFIGURED(k) ((k)->kb_flags & KB_REGISTERED)
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#define KBD_CONFIG_DONE(k) ((k)->kb_flags |= KB_REGISTERED)
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#define KBD_IS_BUSY(k) ((k)->kb_flags & KB_BUSY)
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#define KBD_BUSY(k) ((k)->kb_flags |= KB_BUSY)
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#define KBD_UNBUSY(k) ((k)->kb_flags &= ~KB_BUSY)
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#define KBD_IS_ACTIVE(k) ((k)->kb_active)
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#define KBD_ACTIVATE(k) (++(k)->kb_active)
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#define KBD_DEACTIVATE(k) (--(k)->kb_active)
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#define KBD_LED_VAL(k) ((k)->kb_led)
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/* keyboard function table */
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typedef int kbd_probe_t(int unit, keyboard_t **kbdp, void *arg,
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int flags);
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typedef int kbd_init_t(keyboard_t *kbd);
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typedef int kbd_term_t(keyboard_t *kbd);
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typedef int kbd_intr_t(keyboard_t *kbd, void *arg);
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typedef int kbd_test_if_t(keyboard_t *kbd);
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typedef int kbd_enable_t(keyboard_t *kbd);
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typedef int kbd_disable_t(keyboard_t *kbd);
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typedef int kbd_read_t(keyboard_t *kbd, int wait);
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typedef int kbd_check_t(keyboard_t *kbd);
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typedef u_int kbd_read_char_t(keyboard_t *kbd, int wait);
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typedef int kbd_check_char_t(keyboard_t *kbd);
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typedef int kbd_ioctl_t(keyboard_t *kbd, u_long cmd, caddr_t data);
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typedef int kbd_lock_t(keyboard_t *kbd, int lock);
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typedef void kbd_clear_state_t(keyboard_t *kbd);
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typedef int kbd_get_state_t(keyboard_t *kbd, void *buf, size_t len);
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typedef int kbd_set_state_t(keyboard_t *kbd, void *buf, size_t len);
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typedef u_char *kbd_get_fkeystr_t(keyboard_t *kbd, int fkey,
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size_t *len);
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typedef void kbd_diag_t(keyboard_t *kbd, int level);
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typedef struct keyboard_switch {
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kbd_probe_t *probe;
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kbd_init_t *init;
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kbd_term_t *term;
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kbd_intr_t *intr;
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kbd_test_if_t *test_if;
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kbd_enable_t *enable;
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kbd_disable_t *disable;
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kbd_read_t *read;
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kbd_check_t *check;
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kbd_read_char_t *read_char;
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kbd_check_char_t *check_char;
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kbd_ioctl_t *ioctl;
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kbd_lock_t *lock;
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kbd_clear_state_t *clear_state;
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kbd_get_state_t *get_state;
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kbd_set_state_t *set_state;
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kbd_get_fkeystr_t *get_fkeystr;
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kbd_diag_t *diag;
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} keyboard_switch_t;
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/* keyboard driver */
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typedef struct keyboard_driver {
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char *name;
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keyboard_switch_t *kbdsw;
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int (*configure)(int); /* backdoor for the console driver */
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} keyboard_driver_t;
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#ifdef KERNEL
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#define KEYBOARD_DRIVER(name, sw, config) \
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static struct keyboard_driver name##_driver = { \
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#name, &sw, config \
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}; \
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DATA_SET(kbddriver_set, name##_driver);
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/* global variables */
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extern keyboard_switch_t **kbdsw;
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extern struct linker_set kbddriver_set;
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/* functions for the keyboard driver */
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int kbd_register(keyboard_t *kbd);
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int kbd_unregister(keyboard_t *kbd);
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keyboard_switch_t *kbd_get_switch(char *driver);
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void kbd_init_struct(keyboard_t *kbd, char *name, int type,
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int unit, int config, int port,
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int port_size);
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void kbd_set_maps(keyboard_t *kbd, struct keymap *keymap,
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struct accentmap *accmap,
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struct fkeytab *fkeymap, int fkeymap_size);
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/* functions for the keyboard client */
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int kbd_allocate(char *driver, int unit, void *id,
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kbd_callback_func_t *func, void *arg);
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int kbd_release(keyboard_t *kbd, void *id);
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int kbd_change_callback(keyboard_t *kbd, void *id,
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kbd_callback_func_t *func, void *arg);
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int kbd_find_keyboard(char *driver, int unit);
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keyboard_t *kbd_get_keyboard(int index);
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/* a back door for the console driver to tickle the keyboard driver XXX */
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int kbd_configure(int flags);
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/* see `kb_config' above for flag bit definitions */
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#ifdef KBD_INSTALL_CDEV
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/* virtual keyboard cdev driver functions */
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int kbd_attach(dev_t dev, keyboard_t *kbd,
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struct cdevsw *sw);
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int kbd_detach(dev_t dev, keyboard_t *kbd,
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struct cdevsw *sw);
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/* generic keyboard cdev driver functions */
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typedef struct genkbd_softc {
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int gkb_flags; /* flag/status bits */
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#define KB_ASLEEP (1 << 0)
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struct clist gkb_q; /* input queue */
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struct selinfo gkb_rsel;
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} genkbd_softc_t;
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int genkbdopen(genkbd_softc_t *sc, keyboard_t *kbd, int flag, int mode,
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struct proc *p);
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int genkbdclose(genkbd_softc_t *sc, keyboard_t *kbd, int flag, int mode,
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struct proc *p);
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int genkbdread(genkbd_softc_t *sc, keyboard_t *kbd, struct uio *uio,
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int flag);
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int genkbdwrite(genkbd_softc_t *sc, keyboard_t *kbd, struct uio *uio,
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int flag);
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int genkbdioctl(genkbd_softc_t *sc, keyboard_t *kbd, u_long cmd,
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caddr_t arg, int flag, struct proc *p);
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int genkbdpoll(genkbd_softc_t *sc, keyboard_t *kbd, int event,
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struct proc *p);
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#endif /* KBD_INSTALL_CDEV */
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/* generic low-level keyboard functions */
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/* shift key state */
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#define SHIFTS1 (1 << 16)
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#define SHIFTS2 (1 << 17)
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#define SHIFTS (SHIFTS1 | SHIFTS2)
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#define CTLS1 (1 << 18)
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#define CTLS2 (1 << 19)
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#define CTLS (CTLS1 | CTLS2)
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#define ALTS1 (1 << 20)
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#define ALTS2 (1 << 21)
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#define ALTS (ALTS1 | ALTS2)
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#define AGRS1 (1 << 22)
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#define AGRS2 (1 << 23)
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#define AGRS (AGRS1 | AGRS2)
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#define METAS1 (1 << 24)
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#define METAS2 (1 << 25)
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#define METAS (METAS1 | METAS2)
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#define NLKDOWN (1 << 26)
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#define SLKDOWN (1 << 27)
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#define CLKDOWN (1 << 28)
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#define ALKDOWN (1 << 29)
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/* lock key state (defined in machine/console.h) */
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/*
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#define CLKED LED_CAP
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#define NLKED LED_NUM
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#define SLKED LED_SCR
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#define ALKED (1 << 3)
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#define LOCK_MASK (CLKED | NLKED | SLKED | ALKED)
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#define LED_CAP (1 << 0)
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#define LED_NUM (1 << 1)
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#define LED_SCR (1 << 2)
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#define LED_MASK (LED_CAP | LED_NUM | LED_SCR)
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*/
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kbd_get_fkeystr_t genkbd_get_fkeystr;
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kbd_diag_t genkbd_diag;
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int genkbd_commonioctl(keyboard_t *kbd, u_long cmd, caddr_t arg);
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int genkbd_keyaction(keyboard_t *kbd, int keycode, int down,
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int *shiftstate, int *accents);
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#endif /* KERNEL */
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#endif /* !_DEV_KBD_KBDREG_H_ */
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