at91twivar.h revision 1.3
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
Indexes created Sat Sep 27 22:09:54 GMT 2025