/*- * Copyright (c) 2016 Rubicon Communications, LLC (Netgate) * 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 _TI_SPIVAR_H_ #define _TI_SPIVAR_H_ struct ti_spi_softc { bus_space_tag_t sc_bst; bus_space_handle_t sc_bsh; device_t sc_dev; int sc_numcs; struct mtx sc_mtx; struct resource *sc_mem_res; struct resource *sc_irq_res; struct { int cs; int fifolvl; struct spi_command *cmd; uint32_t len; uint32_t read; uint32_t written; } xfer; uint32_t sc_flags; void *sc_intrhand; #define sc_cs xfer.cs #define sc_fifolvl xfer.fifolvl #define sc_cmd xfer.cmd #define sc_len xfer.len #define sc_read xfer.read #define sc_written xfer.written }; #define TI_SPI_BUSY 0x1 #define TI_SPI_DONE 0x2 #define TI_SPI_WRITE(_sc, _off, _val) \ bus_space_write_4((_sc)->sc_bst, (_sc)->sc_bsh, (_off), (_val)) #define TI_SPI_READ(_sc, _off) \ bus_space_read_4((_sc)->sc_bst, (_sc)->sc_bsh, (_off)) #define TI_SPI_LOCK(_sc) \ mtx_lock(&(_sc)->sc_mtx) #define TI_SPI_UNLOCK(_sc) \ mtx_unlock(&(_sc)->sc_mtx) #endif /* _TI_SPIVAR_H_ */ |