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81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/* $NetBSD: at91spivar.h,v 1.2 2008/07/03 01:15:38 matt Exp $ */
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/*-
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* Copyright (c) 2007 Embedtronics Oy.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions 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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgements:
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* This product includes software developed by the Urbana-Champaign
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* Independent Media Center.
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* This product includes software developed by Garrett D'Amore.
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* 4. Urbana-Champaign Independent Media Center's name and Garrett
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* D'Amore's name may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
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* MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
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* MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _AT91SPIVAR_H_
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#define _AT91SPIVAR_H_
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#include <dev/spi/spivar.h>
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struct at91spi_machdep {
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int (*select_slave)(void *self, int);
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};
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typedef const struct at91spi_machdep *at91spi_machdep_tag_t;
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struct at91spi_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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bus_dma_tag_t sc_dmat;
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int sc_pid; /* peripheral identifier */
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struct spi_controller sc_spi; /* SPI implementation ops */
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at91spi_machdep_tag_t sc_md; /* board-specific support */
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struct at91spi_job *sc_job; /* current job */
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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; /* interrupt handler (what?) */
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void *sc_dmapage;
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bus_addr_t sc_dmaaddr;
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bus_dmamap_t sc_dmamap;
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int sc_dmaoffs; /* current dma offset */
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struct spi_transfer *sc_transfer;
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bool sc_running; /* is it processing stuff? */
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SIMPLEQ_HEAD(,spi_transfer) sc_q;
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};
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void at91spi_attach_common(device_t parent, device_t self, void *aux,
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at91spi_machdep_tag_t md);
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#endif /* _AT91SPIVAR_H_ */
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