1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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.
16 *
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
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef	_BCM2835_SPIVAR_H_
33#define	_BCM2835_SPIVAR_H_
34
35struct bcm_spi_softc {
36	device_t		sc_dev;
37	struct mtx		sc_mtx;
38	struct resource *	sc_mem_res;
39	struct resource *	sc_irq_res;
40	struct spi_command	*sc_cmd;
41	bus_space_tag_t		sc_bst;
42	bus_space_handle_t	sc_bsh;
43	uint32_t		sc_len;
44	uint32_t		sc_read;
45	uint32_t		sc_flags;
46	uint32_t		sc_written;
47	void *			sc_intrhand;
48};
49
50#define	BCM_SPI_BUSY		0x1
51
52#define BCM_SPI_WRITE(_sc, _off, _val)		\
53    bus_space_write_4(_sc->sc_bst, _sc->sc_bsh, _off, _val)
54#define BCM_SPI_READ(_sc, _off)			\
55    bus_space_read_4(_sc->sc_bst, _sc->sc_bsh, _off)
56
57#define BCM_SPI_LOCK(_sc)			\
58    mtx_lock(&(_sc)->sc_mtx)
59#define BCM_SPI_UNLOCK(_sc)			\
60    mtx_unlock(&(_sc)->sc_mtx)
61
62#endif	/* _BCM2835_SPIVAR_H_ */
63