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      1  1.3  thorpej /*	$Id: at91twivar.h,v 1.3 2019/12/22 23:23:29 thorpej Exp $	*/
      2  1.3  thorpej /*	$NetBSD: at91twivar.h,v 1.3 2019/12/22 23:23:29 thorpej Exp $	*/
      3  1.2     matt 
      4  1.2     matt /*-
      5  1.2     matt  * Copyright (c) 2007 Embedtronics Oy. All rights reserved.
      6  1.2     matt  *
      7  1.2     matt  * Based on arch/macppc/dev/ki2c.c,
      8  1.2     matt  * Copyright (c) 2001 Tsubai Masanari.  All rights reserved.
      9  1.2     matt  *
     10  1.2     matt  * Redistribution and use in source and binary forms, with or without
     11  1.2     matt  * modification, are permitted provided that the following conditions
     12  1.2     matt  * are met:
     13  1.2     matt  * 1. Redistributions of source code must retain the above copyright
     14  1.2     matt  *    notice, this list of conditions and the following disclaimer.
     15  1.2     matt  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2     matt  *    notice, this list of conditions and the following disclaimer in the
     17  1.2     matt  *    documentation and/or other materials provided with the distribution.
     18  1.2     matt  * 3. The name of the author may not be used to endorse or promote products
     19  1.2     matt  *    derived from this software without specific prior written permission.
     20  1.2     matt  *
     21  1.2     matt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  1.2     matt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  1.2     matt  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  1.2     matt  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  1.2     matt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  1.2     matt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  1.2     matt  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  1.2     matt  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  1.2     matt  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30  1.2     matt  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  1.2     matt  */
     32  1.2     matt 
     33  1.2     matt #ifndef	_AT91TWIVAR_H_
     34  1.2     matt #define	_AT91TWIVAR_H_	1
     35  1.2     matt 
     36  1.2     matt struct at91twi_softc {
     37  1.2     matt 	device_t		sc_dev;		/* generic device	*/
     38  1.2     matt 	bus_space_tag_t		sc_iot;		/* I/O space tag	*/
     39  1.2     matt 	bus_space_handle_t	sc_ioh;		/* I/O space handle	*/
     40  1.2     matt 
     41  1.2     matt 	int			sc_pid;		/* peripheral id	*/
     42  1.2     matt 	struct i2c_controller	sc_i2c;		/* I2C device desc	*/
     43  1.2     matt 
     44  1.2     matt 	void			*sc_ih;		/* interrupt handle	*/
     45  1.2     matt 
     46  1.2     matt 	int			sc_flags;
     47  1.2     matt #define	I2C_BUSY	0x0001
     48  1.2     matt #define	I2C_READING	0x0002
     49  1.2     matt #define	I2C_ERROR	0x8000
     50  1.2     matt 	u_char			*sc_data;
     51  1.2     matt 	int			sc_resid;
     52  1.2     matt };
     53  1.2     matt 
     54  1.2     matt #endif	// !_AT91TWIVAR_H_
     55