582434bd08
my right mouse button and keyboard LEDs from working due to mangled configuration packets. Fixed several other races and associated problems in the main ADB stack that were exposed while fixing this.
689 lines
14 KiB
C
689 lines
14 KiB
C
/*-
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* Copyright (C) 2008 Nathan Whitehorn
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/kbio.h>
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#include <sys/condvar.h>
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#include <sys/callout.h>
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#include <sys/kernel.h>
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#include <machine/bus.h>
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#include "opt_kbd.h"
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#include <dev/kbd/kbdreg.h>
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#include <dev/kbd/kbdtables.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include "adb.h"
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#define KBD_DRIVER_NAME "akbd"
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#define AKBD_EMULATE_ATKBD 1
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static int adb_kbd_probe(device_t dev);
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static int adb_kbd_attach(device_t dev);
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static int adb_kbd_detach(device_t dev);
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static void akbd_repeat(void *xsc);
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static u_int adb_kbd_receive_packet(device_t dev, u_char status,
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u_char command, u_char reg, int len, u_char *data);
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struct adb_kbd_softc {
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keyboard_t sc_kbd;
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device_t sc_dev;
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struct mtx sc_mutex;
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struct cv sc_cv;
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int sc_mode;
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int sc_state;
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int have_led_control;
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uint8_t buffer[8];
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volatile int buffers;
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struct callout sc_repeater;
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int sc_repeatstart;
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int sc_repeatcontinue;
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uint8_t last_press;
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};
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static device_method_t adb_kbd_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, adb_kbd_probe),
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DEVMETHOD(device_attach, adb_kbd_attach),
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DEVMETHOD(device_detach, adb_kbd_detach),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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/* ADB interface */
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DEVMETHOD(adb_receive_packet, adb_kbd_receive_packet),
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{ 0, 0 }
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};
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static driver_t adb_kbd_driver = {
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"akbd",
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adb_kbd_methods,
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sizeof(struct adb_kbd_softc),
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};
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static devclass_t adb_kbd_devclass;
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DRIVER_MODULE(akbd, adb, adb_kbd_driver, adb_kbd_devclass, 0, 0);
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static const uint8_t adb_to_at_scancode_map[128] = { 30, 31, 32, 33, 35, 34,
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44, 45, 46, 47, 0, 48, 16, 17, 18, 19, 21, 20, 2, 3, 4, 5, 7, 6, 13,
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10, 8, 12, 9, 11, 27, 24, 22, 26, 23, 25, 28, 38, 36, 40, 37, 39, 43,
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51, 53, 49, 50, 52, 15, 57, 41, 14, 0, 1, 29, 0, 42, 58, 56, 97, 98,
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100, 95, 0, 0, 83, 0, 55, 0, 78, 0, 69, 0, 0, 0, 91, 89, 0, 74, 13, 0,
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0, 82, 79, 80, 81, 75, 76, 77, 71, 0, 72, 73, 0, 0, 0, 63, 64, 65, 61,
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66, 67, 0, 87, 0, 105, 0, 70, 0, 68, 0, 88, 0, 107, 102, 94, 96, 103,
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62, 99, 60, 101, 59, 54, 93, 90, 0, 0 };
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/* keyboard driver declaration */
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static int akbd_configure(int flags);
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static kbd_probe_t akbd_probe;
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static kbd_init_t akbd_init;
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static kbd_term_t akbd_term;
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static kbd_intr_t akbd_interrupt;
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static kbd_test_if_t akbd_test_if;
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static kbd_enable_t akbd_enable;
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static kbd_disable_t akbd_disable;
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static kbd_read_t akbd_read;
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static kbd_check_t akbd_check;
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static kbd_read_char_t akbd_read_char;
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static kbd_check_char_t akbd_check_char;
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static kbd_ioctl_t akbd_ioctl;
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static kbd_lock_t akbd_lock;
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static kbd_clear_state_t akbd_clear_state;
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static kbd_get_state_t akbd_get_state;
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static kbd_set_state_t akbd_set_state;
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static kbd_poll_mode_t akbd_poll;
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keyboard_switch_t akbdsw = {
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akbd_probe,
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akbd_init,
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akbd_term,
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akbd_interrupt,
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akbd_test_if,
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akbd_enable,
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akbd_disable,
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akbd_read,
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akbd_check,
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akbd_read_char,
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akbd_check_char,
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akbd_ioctl,
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akbd_lock,
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akbd_clear_state,
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akbd_get_state,
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akbd_set_state,
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genkbd_get_fkeystr,
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akbd_poll,
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genkbd_diag,
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};
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KEYBOARD_DRIVER(akbd, akbdsw, akbd_configure);
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static int
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adb_kbd_probe(device_t dev)
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{
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uint8_t type;
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type = adb_get_device_type(dev);
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if (type != ADB_DEVICE_KEYBOARD)
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return (ENXIO);
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switch(adb_get_device_handler(dev)) {
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case 1:
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device_set_desc(dev,"Apple Standard Keyboard");
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break;
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case 2:
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device_set_desc(dev,"Apple Extended Keyboard");
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break;
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case 4:
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device_set_desc(dev,"Apple ISO Keyboard");
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break;
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case 5:
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device_set_desc(dev,"Apple Extended ISO Keyboard");
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break;
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case 8:
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device_set_desc(dev,"Apple Keyboard II");
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break;
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case 9:
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device_set_desc(dev,"Apple ISO Keyboard II");
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break;
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case 12:
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device_set_desc(dev,"PowerBook Keyboard");
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break;
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case 13:
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device_set_desc(dev,"PowerBook ISO Keyboard");
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break;
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case 24:
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device_set_desc(dev,"PowerBook Extended Keyboard");
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break;
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case 27:
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device_set_desc(dev,"Apple Design Keyboard");
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break;
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case 195:
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device_set_desc(dev,"PowerBook G3 Keyboard");
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break;
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case 196:
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device_set_desc(dev,"iBook Keyboard");
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break;
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default:
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device_set_desc(dev,"ADB Keyboard");
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break;
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}
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return (0);
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}
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static int
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ms_to_ticks(int ms)
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{
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if (hz > 1000)
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return ms*(hz/1000);
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return ms/(1000/hz);
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}
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static int
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adb_kbd_attach(device_t dev)
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{
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struct adb_kbd_softc *sc;
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keyboard_switch_t *sw;
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sw = kbd_get_switch(KBD_DRIVER_NAME);
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if (sw == NULL) {
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return ENXIO;
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}
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sc = device_get_softc(dev);
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sc->sc_dev = dev;
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sc->sc_mode = K_RAW;
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sc->sc_state = 0;
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sc->have_led_control = 0;
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sc->buffers = 0;
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/* Try stepping forward to the extended keyboard protocol */
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adb_set_device_handler(dev,3);
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mtx_init(&sc->sc_mutex,KBD_DRIVER_NAME,MTX_DEF,0);
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cv_init(&sc->sc_cv,KBD_DRIVER_NAME);
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callout_init(&sc->sc_repeater, 0);
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#ifdef AKBD_EMULATE_ATKBD
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kbd_init_struct(&sc->sc_kbd, KBD_DRIVER_NAME, KB_101, 0, 0, 0, 0);
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kbd_set_maps(&sc->sc_kbd, &key_map, &accent_map, fkey_tab,
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sizeof(fkey_tab) / sizeof(fkey_tab[0]));
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#else
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#error ADB raw mode not implemented
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#endif
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KBD_FOUND_DEVICE(&sc->sc_kbd);
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KBD_PROBE_DONE(&sc->sc_kbd);
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KBD_INIT_DONE(&sc->sc_kbd);
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KBD_CONFIG_DONE(&sc->sc_kbd);
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(*sw->enable)(&sc->sc_kbd);
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kbd_register(&sc->sc_kbd);
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#ifdef KBD_INSTALL_CDEV
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if (kbd_attach(&sc->sc_kbd)) {
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adb_kbd_detach(dev);
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return ENXIO;
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}
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#endif
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/* Check if we can read out the LED state from
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this keyboard by reading the key state register */
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if (adb_read_register(dev, 2, NULL) == 2)
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sc->have_led_control = 1;
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adb_set_autopoll(dev,1);
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return (0);
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}
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static int
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adb_kbd_detach(device_t dev)
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{
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struct adb_kbd_softc *sc;
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keyboard_t *kbd;
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sc = device_get_softc(dev);
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adb_set_autopoll(dev,0);
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callout_stop(&sc->sc_repeater);
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mtx_lock(&sc->sc_mutex);
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kbd = kbd_get_keyboard(kbd_find_keyboard(KBD_DRIVER_NAME,
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device_get_unit(dev)));
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kbdd_disable(kbd);
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#ifdef KBD_INSTALL_CDEV
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kbd_detach(kbd);
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#endif
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kbdd_term(kbd);
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mtx_unlock(&sc->sc_mutex);
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mtx_destroy(&sc->sc_mutex);
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cv_destroy(&sc->sc_cv);
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return (0);
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}
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static u_int
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adb_kbd_receive_packet(device_t dev, u_char status,
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u_char command, u_char reg, int len, u_char *data)
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{
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struct adb_kbd_softc *sc;
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sc = device_get_softc(dev);
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if (command != ADB_COMMAND_TALK)
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return 0;
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if (reg != 0 || len != 2)
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return (0);
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mtx_lock(&sc->sc_mutex);
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if ((data[0] & 0x7f) == 57 && sc->buffers < 7) {
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/* Fake the down/up cycle for caps lock */
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sc->buffer[sc->buffers++] = data[0] & 0x7f;
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sc->buffer[sc->buffers++] = (data[0] & 0x7f) | (1 << 7);
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} else {
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sc->buffer[sc->buffers++] = data[0];
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}
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if (sc->buffer[sc->buffers-1] < 0xff)
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sc->last_press = sc->buffer[sc->buffers-1];
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if ((data[1] & 0x7f) == 57 && sc->buffers < 7) {
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/* Fake the down/up cycle for caps lock */
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sc->buffer[sc->buffers++] = data[1] & 0x7f;
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sc->buffer[sc->buffers++] = (data[1] & 0x7f) | (1 << 7);
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} else {
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sc->buffer[sc->buffers++] = data[1];
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}
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if (sc->buffer[sc->buffers-1] < 0xff)
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sc->last_press = sc->buffer[sc->buffers-1];
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/* Stop any existing key repeating */
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callout_stop(&sc->sc_repeater);
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/* Schedule a repeat callback on keydown */
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if (!(sc->last_press & (1 << 7))) {
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callout_reset(&sc->sc_repeater,
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ms_to_ticks(sc->sc_kbd.kb_delay1), akbd_repeat, sc);
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}
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mtx_unlock(&sc->sc_mutex);
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cv_broadcast(&sc->sc_cv);
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if (KBD_IS_ACTIVE(&sc->sc_kbd) && KBD_IS_BUSY(&sc->sc_kbd)) {
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sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
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KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
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}
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return (0);
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}
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static void
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akbd_repeat(void *xsc) {
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struct adb_kbd_softc *sc = xsc;
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int notify_kbd = 0;
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/* Fake an up/down key repeat so long as we have the
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free buffers */
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mtx_lock(&sc->sc_mutex);
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if (sc->buffers < 7) {
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sc->buffer[sc->buffers++] = sc->last_press | (1 << 7);
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sc->buffer[sc->buffers++] = sc->last_press;
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notify_kbd = 1;
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}
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mtx_unlock(&sc->sc_mutex);
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if (notify_kbd && KBD_IS_ACTIVE(&sc->sc_kbd)
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&& KBD_IS_BUSY(&sc->sc_kbd)) {
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sc->sc_kbd.kb_callback.kc_func(&sc->sc_kbd,
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KBDIO_KEYINPUT, sc->sc_kbd.kb_callback.kc_arg);
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}
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/* Reschedule the callout */
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callout_reset(&sc->sc_repeater, ms_to_ticks(sc->sc_kbd.kb_delay2),
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akbd_repeat, sc);
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}
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static int
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akbd_configure(int flags)
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{
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return 0;
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}
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static int
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akbd_probe(int unit, void *arg, int flags)
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{
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return 0;
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}
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static int
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akbd_init(int unit, keyboard_t **kbdp, void *arg, int flags)
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{
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return 0;
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}
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static int
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akbd_term(keyboard_t *kbd)
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{
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return 0;
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}
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static int
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akbd_interrupt(keyboard_t *kbd, void *arg)
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{
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return 0;
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}
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static int
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akbd_test_if(keyboard_t *kbd)
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{
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return 0;
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}
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static int
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akbd_enable(keyboard_t *kbd)
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{
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KBD_ACTIVATE(kbd);
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return (0);
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}
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static int
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akbd_disable(keyboard_t *kbd)
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{
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struct adb_kbd_softc *sc;
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sc = (struct adb_kbd_softc *)(kbd);
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callout_stop(&sc->sc_repeater);
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KBD_DEACTIVATE(kbd);
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return (0);
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}
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static int
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akbd_read(keyboard_t *kbd, int wait)
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{
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return (0);
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}
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static int
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akbd_check(keyboard_t *kbd)
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{
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struct adb_kbd_softc *sc;
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if (!KBD_IS_ACTIVE(kbd))
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return (FALSE);
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sc = (struct adb_kbd_softc *)(kbd);
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mtx_lock(&sc->sc_mutex);
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if (sc->buffers > 0) {
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mtx_unlock(&sc->sc_mutex);
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return (TRUE);
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}
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mtx_unlock(&sc->sc_mutex);
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return (FALSE);
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}
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static u_int
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akbd_read_char(keyboard_t *kbd, int wait)
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{
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struct adb_kbd_softc *sc;
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uint8_t adb_code, final_scancode;
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int i;
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sc = (struct adb_kbd_softc *)(kbd);
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mtx_lock(&sc->sc_mutex);
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if (!sc->buffers && wait)
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cv_wait(&sc->sc_cv,&sc->sc_mutex);
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if (!sc->buffers) {
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mtx_unlock(&sc->sc_mutex);
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return (0);
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}
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adb_code = sc->buffer[0];
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for (i = 1; i < sc->buffers; i++)
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sc->buffer[i-1] = sc->buffer[i];
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sc->buffers--;
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mtx_unlock(&sc->sc_mutex);
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#ifdef AKBD_EMULATE_ATKBD
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final_scancode = adb_to_at_scancode_map[adb_code & 0x7f];
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final_scancode |= adb_code & 0x80;
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#else
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final_scancode = adb_code;
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#endif
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return (final_scancode);
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}
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static int
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akbd_check_char(keyboard_t *kbd)
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{
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if (!KBD_IS_ACTIVE(kbd))
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return (FALSE);
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return (akbd_check(kbd));
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}
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|
|
|
static int
|
|
set_typematic(keyboard_t *kbd, int code)
|
|
{
|
|
/* These numbers are in microseconds, so convert to ticks */
|
|
|
|
static int delays[] = { 250, 500, 750, 1000 };
|
|
static int rates[] = { 34, 38, 42, 46, 50, 55, 59, 63,
|
|
68, 76, 84, 92, 100, 110, 118, 126,
|
|
136, 152, 168, 184, 200, 220, 236, 252,
|
|
272, 304, 336, 368, 400, 440, 472, 504 };
|
|
|
|
if (code & ~0x7f)
|
|
return EINVAL;
|
|
kbd->kb_delay1 = delays[(code >> 5) & 3];
|
|
kbd->kb_delay2 = rates[code & 0x1f];
|
|
return 0;
|
|
}
|
|
|
|
static int akbd_ioctl(keyboard_t *kbd, u_long cmd, caddr_t data)
|
|
{
|
|
struct adb_kbd_softc *sc;
|
|
uint16_t r2;
|
|
int error;
|
|
|
|
sc = (struct adb_kbd_softc *)(kbd);
|
|
error = 0;
|
|
|
|
switch (cmd) {
|
|
case KDGKBMODE:
|
|
*(int *)data = sc->sc_mode;
|
|
break;
|
|
case KDSKBMODE:
|
|
switch (*(int *)data) {
|
|
case K_XLATE:
|
|
if (sc->sc_mode != K_XLATE) {
|
|
/* make lock key state and LED state match */
|
|
sc->sc_state &= ~LOCK_MASK;
|
|
sc->sc_state |= KBD_LED_VAL(kbd);
|
|
}
|
|
/* FALLTHROUGH */
|
|
case K_RAW:
|
|
case K_CODE:
|
|
if (sc->sc_mode != *(int *)data)
|
|
sc->sc_mode = *(int *)data;
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
case KDGETLED:
|
|
*(int *)data = KBD_LED_VAL(kbd);
|
|
break;
|
|
|
|
case KDSKBSTATE:
|
|
if (*(int *)data & ~LOCK_MASK) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
sc->sc_state &= ~LOCK_MASK;
|
|
sc->sc_state |= *(int *)data;
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case KDSETLED:
|
|
KBD_LED_VAL(kbd) = *(int *)data;
|
|
|
|
if (!sc->have_led_control)
|
|
break;
|
|
|
|
r2 = (~0 & 0x04) | 3;
|
|
|
|
if (*(int *)data & NLKED)
|
|
r2 &= ~1;
|
|
if (*(int *)data & CLKED)
|
|
r2 &= ~2;
|
|
if (*(int *)data & SLKED)
|
|
r2 &= ~4;
|
|
|
|
adb_send_packet(sc->sc_dev,ADB_COMMAND_LISTEN,2,
|
|
sizeof(uint16_t),(u_char *)&r2);
|
|
|
|
break;
|
|
|
|
case KDGKBSTATE:
|
|
*(int *)data = sc->sc_state & LOCK_MASK;
|
|
break;
|
|
|
|
case KDSETREPEAT:
|
|
if (!KBD_HAS_DEVICE(kbd))
|
|
return 0;
|
|
if (((int *)data)[1] < 0)
|
|
return EINVAL;
|
|
if (((int *)data)[0] < 0)
|
|
return EINVAL;
|
|
else if (((int *)data)[0] == 0) /* fastest possible value */
|
|
kbd->kb_delay1 = 200;
|
|
else
|
|
kbd->kb_delay1 = ((int *)data)[0];
|
|
kbd->kb_delay2 = ((int *)data)[1];
|
|
|
|
break;
|
|
|
|
case KDSETRAD:
|
|
error = set_typematic(kbd, *(int *)data);
|
|
break;
|
|
|
|
case PIO_KEYMAP:
|
|
case PIO_KEYMAPENT:
|
|
case PIO_DEADKEYMAP:
|
|
default:
|
|
return (genkbd_commonioctl(kbd, cmd, data));
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int akbd_lock(keyboard_t *kbd, int lock)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static void akbd_clear_state(keyboard_t *kbd)
|
|
{
|
|
}
|
|
|
|
static int akbd_get_state(keyboard_t *kbd, void *buf, size_t len)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int akbd_set_state(keyboard_t *kbd, void *buf, size_t len)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int akbd_poll(keyboard_t *kbd, int on)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
akbd_modevent(module_t mod, int type, void *data)
|
|
{
|
|
switch (type) {
|
|
case MOD_LOAD:
|
|
kbd_add_driver(&akbd_kbd_driver);
|
|
break;
|
|
|
|
case MOD_UNLOAD:
|
|
kbd_delete_driver(&akbd_kbd_driver);
|
|
break;
|
|
|
|
default:
|
|
return (EOPNOTSUPP);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
DEV_MODULE(akbd, akbd_modevent, NULL);
|
|
|