145 lines
4.4 KiB
C
145 lines
4.4 KiB
C
/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 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 copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: $Hdr: dmac_0448.h,v 4.300 91/06/09 06:21:36 root Rel41 $ SONY
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*
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* @(#)dmac_0448.h 8.1 (Berkeley) 6/11/93
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*/
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/*
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* Copyright (c) 1989- by SONY Corporation.
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*/
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/*
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* dmac_0448.h
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* DMAC L7A0448
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*/
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/* dmac register base address */
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#define DMAC_BASE 0xbfe00000
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/* register definition */
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#define DMAC_GSTAT (DMAC_BASE + 0xf)
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#define DMAC_GSEL (DMAC_BASE + 0xe)
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#define DMAC_CSTAT (DMAC_BASE + 0x2)
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#define DMAC_CCTL (DMAC_BASE + 0x3)
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#define DMAC_CTRCL (DMAC_BASE + 0x4)
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#define DMAC_CTRCM (DMAC_BASE + 0x5)
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#define DMAC_CTRCH (DMAC_BASE + 0x6)
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#define DMAC_CTAG (DMAC_BASE + 0x7)
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#define DMAC_CWID (DMAC_BASE + 0x8)
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#define DMAC_COFSL (DMAC_BASE + 0x9)
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#define DMAC_COFSH (DMAC_BASE + 0xa)
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#define DMAC_CMAP (DMAC_BASE + 0xc)
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#define DMAC_CMAPH (DMAC_BASE + 0xc)
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#define DMAC_CMAPL (DMAC_BASE + 0xd)
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#ifdef mips
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#define VOLATILE volatile
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#else
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#define VOLATILE
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#endif
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#ifndef U_CHAR
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#define U_CHAR unsigned VOLATILE char
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#endif
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#ifndef U_SHORT
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#define U_SHORT unsigned VOLATILE short
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#endif
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#define dmac_gstat *(U_CHAR *)DMAC_GSTAT
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#define dmac_gsel *(U_CHAR *)DMAC_GSEL
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#define dmac_cstat *(U_CHAR *)DMAC_CSTAT
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#define dmac_cctl *(U_CHAR *)DMAC_CCTL
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#define dmac_ctrcl *(U_CHAR *)DMAC_CTRCL
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#define dmac_ctrcm *(U_CHAR *)DMAC_CTRCM
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#define dmac_ctrch *(U_CHAR *)DMAC_CTRCH
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#define dmac_ctag *(U_CHAR *)DMAC_CTAG
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#define dmac_cwid *(U_CHAR *)DMAC_CWID
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#define dmac_cofsl *(U_CHAR *)DMAC_COFSL
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#define dmac_cofsh *(U_CHAR *)DMAC_COFSH
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#define dmac_cmap *(U_SHORT *)DMAC_CMAP
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#define dmac_cmaph *(U_CHAR *)DMAC_CMAPH
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#define dmac_cmapl *(U_CHAR *)DMAC_CMAPL
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/* status/control bit definition */
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#define DM_TCZ 0x80
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#define DM_A28 0x40
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#define DM_AFIX 0x20
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#define DM_APAD 0x10
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#define DM_ZINTEN 0x8
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#define DM_RST 0x4
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#define DM_MODE 0x2
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#define DM_ENABLE 1
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/* general status bit definition */
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#define CH_INT(x) (u_char)(1 << (2 * x))
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#define CH0_INT 1
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#define CH1_INT 4
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#define CH2_INT 0x10
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#define CH3_INT 0x40
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#define CH_MRQ(x) (u_char)(1 << (2 * x + 1))
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#define CH0_MRQ 2
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#define CH1_MRQ 8
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#define CH2_MRQ 0x20
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#define CH3_MRQ 0x80
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/* channel definition */
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#define CH_SCSI 0
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#define CH_FDC 1
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#define CH_AUDIO 2
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#define CH_VIDEO 3
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/* dma status */
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struct dm_stat {
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unsigned int dm_gstat;
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unsigned int dm_cstat;
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unsigned int dm_cctl;
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unsigned int dm_tcnt;
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unsigned int dm_offset;
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unsigned int dm_tag;
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unsigned int dm_width;
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} ;
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#define DMAC_WAIT nops(10)
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#define PINTEN 0xbfc80001
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# define DMA_INTEN 0x10
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#define PINTSTAT 0xbfc80003
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