FreeBSD/Linux Kernel Cross Reference
sys/dev/adb/adb.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (C) 2008 Nathan Whitehorn
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _POWERPC_ADB_H_
    #define _POWERPC_ADB_H_
    
    #include "adb_hb_if.h"
    #include "adb_if.h"
    
    enum {
            ADB_COMMAND_FLUSH       = 0,
            ADB_COMMAND_LISTEN      = 2,
            ADB_COMMAND_TALK        = 3,
    };
    
    enum {
            ADB_DEVICE_DONGLE       = 0x01,
            ADB_DEVICE_KEYBOARD     = 0x02,
            ADB_DEVICE_MOUSE        = 0x03,
            ADB_DEVICE_TABLET       = 0x04,
            ADB_DEVICE_MODEM        = 0x05,
            
            ADB_DEVICE_MISC         = 0x07
    };
    
    struct adb_devinfo {
            uint8_t address;
            uint8_t default_address;
            uint8_t handler_id;
    
            uint16_t register3;
    };
    
    /* Pass packets down through the bus manager */
    u_int adb_send_packet(device_t dev, u_char command, u_char reg, int len, 
        u_char *data);
    u_int adb_set_autopoll(device_t dev, u_char enable);
    
    /* Pass packets up from the interface */
    u_int adb_receive_raw_packet(device_t dev, u_char status, u_char command, 
        int len, u_char *data);
    
    uint8_t adb_get_device_type(device_t dev);
    uint8_t adb_get_device_handler(device_t dev);
    uint8_t adb_set_device_handler(device_t dev, uint8_t newhandler);
    
    size_t  adb_read_register(device_t dev, u_char reg, void *data);
    size_t  adb_write_register(device_t dev, u_char reg, size_t len, void *data);
    
    /* Bits for implementing ADB host bus adapters */
    extern devclass_t adb_devclass;
    extern driver_t adb_driver;
    
    #endif
    

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