text: /*	$NetBSD: dmac_0448.h,v 1.2 1999/02/15 04:36:33 hubertf Exp $	*/
  /*
   * Copyright (c) 1992, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
   *
   * 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.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
   *
   * from: $Hdr: dmac_0448.h,v 4.300 91/06/09 06:21:36 root Rel41 $ SONY
   *
   *	@(#)dmac_0448.h	8.1 (Berkeley) 6/11/93
   */
  
  /*
   * Copyright (c) 1989- by SONY Corporation.
   */
  /*
   *	dmac_0448.h
   *		DMAC L7A0448
   */
  
  /*	dmac register base address	*/
  #define DMAC_BASE		0xbfe00000
  
  /*	register definition	*/
  #define DMAC_GSTAT		(DMAC_BASE + 0xf)
  #define DMAC_GSEL		(DMAC_BASE + 0xe)
  
  #define DMAC_CSTAT		(DMAC_BASE + 0x2)
  #define DMAC_CCTL		(DMAC_BASE + 0x3)
  #define DMAC_CTRCL		(DMAC_BASE + 0x4)
  #define DMAC_CTRCM		(DMAC_BASE + 0x5)
  #define DMAC_CTRCH		(DMAC_BASE + 0x6)
  #define DMAC_CTAG		(DMAC_BASE + 0x7)
  #define DMAC_CWID		(DMAC_BASE + 0x8)
  #define DMAC_COFSL		(DMAC_BASE + 0x9)
  #define DMAC_COFSH		(DMAC_BASE + 0xa)
  #define DMAC_CMAP		(DMAC_BASE + 0xc)
  #define DMAC_CMAPH		(DMAC_BASE + 0xc)
  #define DMAC_CMAPL		(DMAC_BASE + 0xd)
  
  #ifdef mips
  #define	VOLATILE	volatile
  #else
  #define	VOLATILE
  #endif
  
  #ifndef U_CHAR
  #define U_CHAR	unsigned VOLATILE char
  #endif
  
  #ifndef U_SHORT
  #define U_SHORT	unsigned VOLATILE short
  #endif
  
  #define dmac_gstat		*(U_CHAR *)DMAC_GSTAT
  #define dmac_gsel		*(U_CHAR *)DMAC_GSEL
  
  #define dmac_cstat		*(U_CHAR *)DMAC_CSTAT
  #define dmac_cctl		*(U_CHAR *)DMAC_CCTL
  #define dmac_ctrcl		*(U_CHAR *)DMAC_CTRCL
  #define dmac_ctrcm		*(U_CHAR *)DMAC_CTRCM
  #define dmac_ctrch		*(U_CHAR *)DMAC_CTRCH
  #define dmac_ctag		*(U_CHAR *)DMAC_CTAG
  #define dmac_cwid		*(U_CHAR *)DMAC_CWID
  #define dmac_cofsl		*(U_CHAR *)DMAC_COFSL
  #define dmac_cofsh		*(U_CHAR *)DMAC_COFSH
  #define dmac_cmap		*(U_SHORT *)DMAC_CMAP
  #define dmac_cmaph		*(U_CHAR *)DMAC_CMAPH
  #define dmac_cmapl		*(U_CHAR *)DMAC_CMAPL
  
  /*	status/control bit definition	*/
  #define	DM_TCZ			0x80
  #define	DM_A28			0x40
  #define	DM_AFIX			0x20
  #define	DM_APAD			0x10
  #define	DM_ZINTEN		0x8
  #define	DM_RST			0x4
  #define	DM_MODE			0x2
  #define DM_ENABLE		1
  
  /*	general status bit definition	*/
  #define CH_INT(x)		(u_char)(1 << (2 * x))
  #define CH0_INT			1
  #define CH1_INT			4
  #define CH2_INT			0x10
  #define CH3_INT			0x40
  
  #define CH_MRQ(x)		(u_char)(1 << (2 * x + 1))
  #define CH0_MRQ			2
  #define CH1_MRQ			8
  #define CH2_MRQ			0x20
  #define CH3_MRQ			0x80
  
  /*	channel definition	*/
  #define	CH_SCSI			0
  #define	CH_FDC			1
  #define	CH_AUDIO		2
  #define	CH_VIDEO		3
  
  /*	dma status		*/
  
  	struct	dm_stat {
  		unsigned int dm_gstat;
  		unsigned int dm_cstat;
  		unsigned int dm_cctl;
  		unsigned int dm_tcnt;
  		unsigned int dm_offset;
  		unsigned int dm_tag;
  		unsigned int dm_width;
  	} ;
  
  #define	DMAC_WAIT	nops(10)
  
  #define PINTEN		0xbfc80001
  # define	DMA_INTEN	0x10
  #define PINTSTAT	0xbfc80003
  