sys/dev/adb/adbvar.h

   1 /*      $NetBSD: adbvar.h,v 1.1 2007/01/17 23:20:16 macallan Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2006 Michael Lorenz
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: adbvar.h,v 1.1 2007/01/17 23:20:16 macallan Exp $");
  31
  32 #ifndef ADBVAR_H
  33 #define ADBVAR_H
  34
  35 #define ADB_CMDADDR(cmd)        ((u_int8_t)((cmd) & 0xf0) >> 4)
  36 #define ADBFLUSH(dev)           ((((u_int8_t)(dev) & 0x0f) << 4) | 0x01)
  37 #define ADBLISTEN(dev, reg)     ((((u_int8_t)(dev) & 0x0f) << 4) | 0x08 | (reg))
  38 #define ADBTALK(dev, reg)       ((((u_int8_t)(dev) & 0x0f) << 4) | 0x0c | (reg))
  39
  40 struct adb_bus_accessops {
  41         void *cookie;
  42         /* cookie, poll, address/command, length, data */
  43         int (*send)(void *, int, int, int, uint8_t *);
  44         void (*poll)(void *);
  45         void (*autopoll)(void *, int);  /* bitmask of ADB addresses to poll */
  46         int (*set_handler)(void *, void (*)(void *, int, uint8_t *), void *);
  47 };
  48
  49 struct adb_device {
  50         void *cookie;
  51         void (*handler)(void *, int, uint8_t *);
  52         int current_addr;
  53         int original_addr;
  54         int handler_id;
  55 };
  56
  57 struct adb_attach_args {
  58         struct adb_bus_accessops *ops;
  59         struct adb_device *dev;
  60 };
  61
  62 int nadb_print(void *, const char *);
  63
  64
  65 #endif /* ADBVAR_H */