NetBSD/sys/arch/newsmips/dev/dmac_0448.h

145 lines
4.4 KiB
C

/*
* 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