81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* $NetBSD: imxspivar.h,v 1.1 2014/03/22 09:28:08 hkenken Exp $ */
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/*
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* Copyright (c) 2014 Genetec Corporation. All rights reserved.
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* Written by Hashimoto Kenichi for Genetec Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARM_IMX_IMXSPIVAR_H_
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#define _ARM_IMX_IMXSPIVAR_H_
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#include <dev/spi/spivar.h>
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typedef struct spi_chipset_tag {
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void *cookie;
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int (*spi_cs_enable)(void *, int);
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int (*spi_cs_disable)(void *, int);
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} *spi_chipset_tag_t;
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struct imxspi_attach_args {
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bus_space_tag_t saa_iot;
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bus_addr_t saa_addr;
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bus_size_t saa_size;
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int saa_irq;
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spi_chipset_tag_t saa_tag;
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int saa_nslaves;
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unsigned long saa_freq;
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int saa_enhanced;
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};
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struct imxspi_softc {
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device_t sc_dev;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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spi_chipset_tag_t sc_tag;
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struct spi_controller sc_spi;
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unsigned long sc_freq;
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struct spi_chunk *sc_wchunk;
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struct spi_chunk *sc_rchunk;
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void *sc_ih;
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struct spi_transfer *sc_transfer;
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bool sc_running;
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SIMPLEQ_HEAD(,spi_transfer) sc_q;
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int sc_enhanced;
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};
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int imxspi_attach_common(device_t, struct imxspi_softc *, void *);
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/*
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* defined in machine dependent code
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*/
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int imxspi_match(device_t, cfdata_t, void *);
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void imxspi_attach(device_t, device_t, void *);
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#endif /* _ARM_IMX_IMXSPIVAR_H_ */
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