1/*	$Id: at91twivar.h,v 1.3 2019/12/22 23:23:29 thorpej Exp $	*/
2/*	$NetBSD: at91twivar.h,v 1.3 2019/12/22 23:23:29 thorpej Exp $	*/
3
4/*-
5 * Copyright (c) 2007 Embedtronics Oy. All rights reserved.
6 *
7 * Based on arch/macppc/dev/ki2c.c,
8 * Copyright (c) 2001 Tsubai Masanari.  All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifndef	_AT91TWIVAR_H_
34#define	_AT91TWIVAR_H_	1
35
36struct at91twi_softc {
37	device_t		sc_dev;		/* generic device	*/
38	bus_space_tag_t		sc_iot;		/* I/O space tag	*/
39	bus_space_handle_t	sc_ioh;		/* I/O space handle	*/
40
41	int			sc_pid;		/* peripheral id	*/
42	struct i2c_controller	sc_i2c;		/* I2C device desc	*/
43
44	void			*sc_ih;		/* interrupt handle	*/
45
46	int			sc_flags;
47#define	I2C_BUSY	0x0001
48#define	I2C_READING	0x0002
49#define	I2C_ERROR	0x8000
50	u_char			*sc_data;
51	int			sc_resid;
52};
53
54#endif	// !_AT91TWIVAR_H_
55