197 lines
6.4 KiB
C
197 lines
6.4 KiB
C
/* $NetBSD: intiovar.h,v 1.2 1999/03/16 16:30:19 minoura Exp $ */
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/*
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*
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* Copyright (c) 1998 NetBSD Foundation, Inc.
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* All rights reserved.
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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 Charles D. Cranor and
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* Washington University.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* NetBSD/x68k internal I/O virtual bus.
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*/
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#ifndef _INTIOVAR_H_
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#define _INTIOVAR_H_
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#include <machine/frame.h>
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#include <sys/malloc.h>
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#include <sys/extent.h>
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#include "locators.h"
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#define cf_addr cf_loc[INTIOCF_ADDR]
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#define cf_intr cf_loc[INTIOCF_INTR]
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#define cf_dma cf_loc[INTIOCF_DMA]
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#define cf_dmaintr cf_loc[INTIOCF_DMAINTR]
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struct intio_attach_args {
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bus_space_tag_t ia_bst; /* bus_space tag */
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bus_dma_tag_t ia_dmat; /* bus_dma tag */
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char *ia_name; /* device name */
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int ia_addr; /* addr */
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int ia_size;
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int ia_intr; /* interrupt vector */
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int ia_dma; /* dma channel */
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int ia_dmaintr; /* interrupt vector for dmac */
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};
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struct intio_softc {
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struct device sc_dev;
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bus_space_tag_t sc_bst;
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bus_dma_tag_t sc_dmat;
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struct extent *sc_map;
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struct device *sc_dmac;
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};
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enum intio_map_flag {
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INTIO_MAP_ALLOCATE = 0,
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INTIO_MAP_TESTONLY = 1
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};
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int intio_map_allocate_region __P((struct device*, struct intio_attach_args*, enum intio_map_flag));
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int intio_map_free_region __P((struct device*, struct intio_attach_args*));
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typedef int (*intio_intr_handler_t) __P((void*));
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int intio_intr_establish __P((int, const char *, intio_intr_handler_t, void *));
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int intio_intr_disestablish __P((int, void *));
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int intio_intr __P((struct frame *));
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#define PHYS_INTIODEV 0x00c00000
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extern u_int8_t *intiobase;
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#define INTIO_ADDR(a) ((volatile u_int8_t *) (((u_int32_t) (a)) - (PHYS_INTIODEV) + intiobase))
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#define INTIO_SYSPORT (0x00e8e000)
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#define intio_sysport INTIO_ADDR(INTIO_SYSPORT)
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#define sysport_contrast 1
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#define sysport_tvctrl 3
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#define sysport_imageunit 5
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#define sysport_keyctrl 7
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#define sysport_waitctrl 9
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#define sysport_mpustat 11
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#define sysport_sramwp 13
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#define sysport_powoff 15
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#define intio_set_sysport_contrast(a) \
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intio_sysport[sysport_contrast] = (a) /* 0-15 */
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#define intio_set_sysport_tvctrl(a) \
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intio_sysport[sysport_tvctrl] = (a)
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#define INTIO_SYSPORT_TVCTRL 0x08
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#define intio_set_sysport_imageunit(a) \
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intio_sysport[sysport_imageunit] = (a)
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#define intio_set_sysport_keyctrl(a) \
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intio_sysport[sysport_keyctrl] = (a)
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#define INTIO_SYSPORT_KBENABLE 0x08
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#define intio_set_sysport_waitctrl(a) \
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intio_sysport[sysport_waitctrl] = (a) /* X68030 only */
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#define intio_set_sysport_sramwp(a) \
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intio_sysport[sysport_sramwp] = (a)
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#define INTIO_SYSPORT_SRAMWP 0x31
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#define intio_set_sysport_powoff(a) \
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intio_sysport[sysport_powoff] = (a)
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#define intio_get_sysport_contrast() \
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(intio_sysport[sysport_contrast])
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#define intio_get_sysport_tvctrl() \
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(intio_sysport[sysport_tvctrl])
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#define INTIO_SYSPORT_TVSTAT 0x08
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#define intio_get_sysport_keyctrl() \
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(intio_sysport[sysport_keyctrl])
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#define INTIO_SYSPORT_KBEXIST 0x08
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#define intio_get_sysport_waitctrl() \
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(intio_sysport[sysport_waitctrl])
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#define intio_get_sysport_mpustat() \
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(intio_sysport[sysport_mpustat])
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/* I/O controler (sicilian/pluto) */
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#define INTIO_SICILIAN (0x00e9c000)
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#define intio_sicilian INTIO_ADDR(INTIO_SICILIAN)
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#define sicilian_intr 1
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#define sicilian_ivec 3
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#define intio_get_sicilian_intr() \
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(intio_sicilian[sicilian_intr])
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#define intio_set_sicilian_intr(a) \
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intio_sicilian[sicilian_intr] = (a)
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#define SICILIAN_INTR_PAR 0x01
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#define SICILIAN_INTR_FDD 0x02
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#define SICILIAN_INTR_FDC 0x04
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#define SICILIAN_INTR_HDD 0x08
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#define SICILIAN_STAT_HDD 0x10
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#define SICILIAN_STAT_PAR 0x20
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#define SICILIAN_STAT_FDD 0x40
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#define SICILIAN_STAT_FDC 0x80
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#define intio_enable_intr(a) \
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intio_sicilian[sicilian_intr] = ((a) | intio_sicilian[sicilian_intr])
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#define intio_disable_intr(a) \
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intio_sicilian[sicilian_intr] = (~(a) & intio_sicilian[sicilian_intr])
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#define intio_set_sicilian_ivec(a) \
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intio_sicilian[sicilian_ivec] = (a)
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void intio_set_ivec __P((int));
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struct intio_dma_cookie {
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int id_flags; /* flags; see below */
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/*
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* Information about the original buffer used during
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* DMA map syncs. Note that origibuflen is only used
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* for ID_BUFTYPE_LINEAR.
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*/
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void *id_origbuf; /* pointer to orig buffer if
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bouncing */
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bus_size_t id_origbuflen; /* ...and size */
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int id_buftype; /* type of buffer */
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void *id_bouncebuf; /* pointer to the bounce buffer */
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bus_size_t id_bouncebuflen; /* ...and size */
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int id_nbouncesegs; /* number of valid bounce segs */
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bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer
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physical memory segments */
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};
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/* id_flags */
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#define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */
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#define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */
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#define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */
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/* id_buftype */
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#define ID_BUFTYPE_INVALID 0
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#define ID_BUFTYPE_LINEAR 1
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#define ID_BUFTYPE_MBUF 2
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#define ID_BUFTYPE_UIO 3
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#define ID_BUFTYPE_RAW 4
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#endif
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