2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #ifndef _BCM2835_BSCVAR_H
33 #define _BCM2835_BSCVAR_H
37 struct bcm_bsc_softc {
41 struct resource * sc_mem_res;
42 struct resource * sc_irq_res;
44 struct iic_msg * sc_curmsg;
45 bus_space_tag_t sc_bst;
46 bus_space_handle_t sc_bsh;
56 #define BCM_I2C_BUSY 0x01
57 #define BCM_I2C_READ 0x02
58 #define BCM_I2C_ERROR 0x04
59 #define BCM_I2C_DONE 0x08
61 #define BCM_BSC_WRITE(_sc, _off, _val) \
62 bus_space_write_4((_sc)->sc_bst, (_sc)->sc_bsh, _off, _val)
63 #define BCM_BSC_READ(_sc, _off) \
64 bus_space_read_4((_sc)->sc_bst, (_sc)->sc_bsh, _off)
66 #define BCM_BSC_LOCK(_sc) \
67 mtx_lock(&(_sc)->sc_mtx)
68 #define BCM_BSC_UNLOCK(_sc) \
69 mtx_unlock(&(_sc)->sc_mtx)
71 #endif /* _BCM2835_BSCVAR_H_ */