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
40struct 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
49struct 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
57struct adb_attach_args {
58	struct adb_bus_accessops *ops;
59	struct adb_device *dev;
60};
61
62int nadb_print(void *, const char *);
63
64
65#endif /* ADBVAR_H */
66