/*      $Id: at91twivar.h,v 1.3 2019/12/22 23:23:29 thorpej Exp $       */
/*      $NetBSD: at91twivar.h,v 1.3 2019/12/22 23:23:29 thorpej Exp $   */

/*-
 * Copyright (c) 2007 Embedtronics Oy. All rights reserved.
 *
 * Based on arch/macppc/dev/ki2c.c,
 * Copyright (c) 2001 Tsubai Masanari.  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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#ifndef _AT91TWIVAR_H_
#define _AT91TWIVAR_H_  1

struct at91twi_softc {
        device_t                sc_dev;         /* generic device       */
        bus_space_tag_t         sc_iot;         /* I/O space tag        */
        bus_space_handle_t      sc_ioh;         /* I/O space handle     */

        int                     sc_pid;         /* peripheral id        */
        struct i2c_controller   sc_i2c;         /* I2C device desc      */

        void                    *sc_ih;         /* interrupt handle     */

        int                     sc_flags;
#define I2C_BUSY        0x0001
#define I2C_READING     0x0002
#define I2C_ERROR       0x8000
        u_char                  *sc_data;
        int                     sc_resid;
};

#endif  // !_AT91TWIVAR_H_