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

     /*      $NetBSD: adbvar.h,v 1.2 2008/04/29 06:53:02 martin Exp $ */
     
     /*-
      * Copyright (c) 2006 Michael Lorenz
      * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``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 THE FOUNDATION OR CONTRIBUTORS
     * 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.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: adbvar.h,v 1.2 2008/04/29 06:53:02 martin Exp $");
    
    #ifndef ADBVAR_H
    #define ADBVAR_H
    
    #define ADB_CMDADDR(cmd)        ((u_int8_t)((cmd) & 0xf0) >> 4)
    #define ADBFLUSH(dev)           ((((u_int8_t)(dev) & 0x0f) << 4) | 0x01)
    #define ADBLISTEN(dev, reg)     ((((u_int8_t)(dev) & 0x0f) << 4) | 0x08 | (reg))
    #define ADBTALK(dev, reg)       ((((u_int8_t)(dev) & 0x0f) << 4) | 0x0c | (reg))
    
    struct adb_bus_accessops {
            void *cookie;
            /* cookie, poll, address/command, length, data */
            int (*send)(void *, int, int, int, uint8_t *);
            void (*poll)(void *);
            void (*autopoll)(void *, int);  /* bitmask of ADB addresses to poll */ 
            int (*set_handler)(void *, void (*)(void *, int, uint8_t *), void *);
    };
    
    struct adb_device {
            void *cookie;
            void (*handler)(void *, int, uint8_t *);
            int current_addr;
            int original_addr;
            int handler_id;
    };
    
    struct adb_attach_args {
            struct adb_bus_accessops *ops;
            struct adb_device *dev;
    };
            
    int nadb_print(void *, const char *);
    
    
    #endif /* ADBVAR_H */

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