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      1 /*	$NetBSD: gtsdmavar.h,v 1.1 2010/04/28 13:51:56 kiyohara Exp $	*/
      2 /*
      3  * Copyright (c) 2009 KIYOHARA Takashi
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #ifndef _GTSDMAVAR_H_
     28 #define _GTSDMAVAR_H_
     29 
     30 static __inline uint32_t
     31 gt_sdma_icause(device_t gt, uint32_t _imask)
     32 {
     33 	struct gt_softc *sc = device_private(gt);
     34 	uint32_t icause;
     35 
     36 	icause = bus_space_read_4(sc->sc_iot, sc->sc_ioh, SDMA_ICAUSE) & _imask;
     37 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, SDMA_ICAUSE, icause);
     38 	return icause;
     39 }
     40 
     41 static __inline void
     42 gt_sdma_imask(device_t gt, uint32_t _imask)
     43 {
     44 	struct gt_softc *sc = device_private(gt);
     45 
     46 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, SDMA_IMASK, _imask);
     47 }
     48 
     49 #endif	/* _GTSDMAVAR_H_ */
     50