/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org> * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. * * $FreeBSD$ */ #ifndef _BCM2835_SPIVAR_H_ #define _BCM2835_SPIVAR_H_ struct bcm_spi_softc { device_t sc_dev; struct mtx sc_mtx; struct resource * sc_mem_res; struct resource * sc_irq_res; struct spi_command *sc_cmd; bus_space_tag_t sc_bst; bus_space_handle_t sc_bsh; uint32_t sc_len; uint32_t sc_read; uint32_t sc_flags; uint32_t sc_written; void * sc_intrhand; }; #define BCM_SPI_BUSY 0x1 #define BCM_SPI_WRITE(_sc, _off, _val) \ bus_space_write_4(_sc->sc_bst, _sc->sc_bsh, _off, _val) #define BCM_SPI_READ(_sc, _off) \ bus_space_read_4(_sc->sc_bst, _sc->sc_bsh, _off) #define BCM_SPI_LOCK(_sc) \ mtx_lock(&(_sc)->sc_mtx) #define BCM_SPI_UNLOCK(_sc) \ mtx_unlock(&(_sc)->sc_mtx) #endif /* _BCM2835_SPIVAR_H_ */ |