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      1  1.2  matt /* $NetBSD: at91spivar.h,v 1.2 2008/07/03 01:15:38 matt Exp $ */
      2  1.2  matt 
      3  1.2  matt /*-
      4  1.2  matt  * Copyright (c) 2007 Embedtronics Oy.
      5  1.2  matt  * All rights reserved.
      6  1.2  matt  *
      7  1.2  matt  * Redistribution and use in source and binary forms, with or
      8  1.2  matt  * without modification, are permitted provided that the following
      9  1.2  matt  * conditions are met:
     10  1.2  matt  * 1. Redistributions of source code must retain the above copyright
     11  1.2  matt  *    notice, this list of conditions and the following disclaimer.
     12  1.2  matt  * 2. Redistributions in binary form must reproduce the above
     13  1.2  matt  *    copyright notice, this list of conditions and the following
     14  1.2  matt  *    disclaimer in the documentation and/or other materials provided
     15  1.2  matt  *    with the distribution.
     16  1.2  matt  * 3. All advertising materials mentioning features or use of this
     17  1.2  matt  *    software must display the following acknowledgements:
     18  1.2  matt  *      This product includes software developed by the Urbana-Champaign
     19  1.2  matt  *      Independent Media Center.
     20  1.2  matt  *	This product includes software developed by Garrett D'Amore.
     21  1.2  matt  * 4. Urbana-Champaign Independent Media Center's name and Garrett
     22  1.2  matt  *    D'Amore's name may not be used to endorse or promote products
     23  1.2  matt  *    derived from this software without specific prior written permission.
     24  1.2  matt  *
     25  1.2  matt  * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
     26  1.2  matt  * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
     27  1.2  matt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     28  1.2  matt  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  1.2  matt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
     30  1.2  matt  * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
     31  1.2  matt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     32  1.2  matt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     33  1.2  matt  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     34  1.2  matt  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     35  1.2  matt  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  1.2  matt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     37  1.2  matt  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     38  1.2  matt  */
     39  1.2  matt 
     40  1.2  matt #ifndef	_AT91SPIVAR_H_
     41  1.2  matt #define	_AT91SPIVAR_H_
     42  1.2  matt 
     43  1.2  matt #include <dev/spi/spivar.h>
     44  1.2  matt 
     45  1.2  matt struct at91spi_machdep {
     46  1.2  matt 	int		(*select_slave)(void *self, int);
     47  1.2  matt };
     48  1.2  matt 
     49  1.2  matt typedef	const struct at91spi_machdep *at91spi_machdep_tag_t;
     50  1.2  matt 
     51  1.2  matt struct at91spi_softc {
     52  1.2  matt 	device_t		sc_dev;
     53  1.2  matt 	bus_space_tag_t		sc_iot;
     54  1.2  matt 	bus_space_handle_t	sc_ioh;
     55  1.2  matt 
     56  1.2  matt 	bus_dma_tag_t		sc_dmat;
     57  1.2  matt 
     58  1.2  matt 	int			sc_pid;		/* peripheral identifier */
     59  1.2  matt 	struct spi_controller	sc_spi;		/* SPI implementation ops */
     60  1.2  matt 	at91spi_machdep_tag_t	sc_md;		/* board-specific support */
     61  1.2  matt 	struct at91spi_job	*sc_job;	/* current job */
     62  1.2  matt 	struct spi_chunk	*sc_wchunk;
     63  1.2  matt 	struct spi_chunk	*sc_rchunk;
     64  1.2  matt 	void			*sc_ih;		/* interrupt handler (what?) */
     65  1.2  matt 
     66  1.2  matt 	void			*sc_dmapage;
     67  1.2  matt 	bus_addr_t		sc_dmaaddr;
     68  1.2  matt 	bus_dmamap_t		sc_dmamap;
     69  1.2  matt 	int			sc_dmaoffs;	/* current dma offset	*/
     70  1.2  matt 
     71  1.2  matt 	struct spi_transfer	*sc_transfer;
     72  1.2  matt 	bool			sc_running;	/* is it processing stuff? */
     73  1.2  matt 
     74  1.2  matt 	SIMPLEQ_HEAD(,spi_transfer)	sc_q;
     75  1.2  matt };
     76  1.2  matt 
     77  1.2  matt void at91spi_attach_common(device_t parent, device_t self, void *aux,
     78  1.2  matt 			    at91spi_machdep_tag_t md);
     79  1.2  matt 
     80  1.2  matt #endif	/* _AT91SPIVAR_H_ */
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