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isa_machdep.h revision 1.2.6.1
      1  1.2.6.1  thorpej /*	$NetBSD: isa_machdep.h,v 1.2.6.1 2002/01/10 19:37:54 thorpej Exp $	*/
      2      1.1  reinoud 
      3      1.1  reinoud /*-
      4      1.1  reinoud  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
      5      1.1  reinoud  * All rights reserved.
      6      1.1  reinoud  *
      7      1.1  reinoud  * This code is derived from software contributed to The NetBSD Foundation
      8      1.1  reinoud  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9      1.1  reinoud  * NASA Ames Research Center.
     10      1.1  reinoud  *
     11      1.1  reinoud  * Redistribution and use in source and binary forms, with or without
     12      1.1  reinoud  * modification, are permitted provided that the following conditions
     13      1.1  reinoud  * are met:
     14      1.1  reinoud  * 1. Redistributions of source code must retain the above copyright
     15      1.1  reinoud  *    notice, this list of conditions and the following disclaimer.
     16      1.1  reinoud  * 2. Redistributions in binary form must reproduce the above copyright
     17      1.1  reinoud  *    notice, this list of conditions and the following disclaimer in the
     18      1.1  reinoud  *    documentation and/or other materials provided with the distribution.
     19      1.1  reinoud  * 3. All advertising materials mentioning features or use of this software
     20      1.1  reinoud  *    must display the following acknowledgement:
     21      1.1  reinoud  *	This product includes software developed by the NetBSD
     22      1.1  reinoud  *	Foundation, Inc. and its contributors.
     23      1.1  reinoud  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24      1.1  reinoud  *    contributors may be used to endorse or promote products derived
     25      1.1  reinoud  *    from this software without specific prior written permission.
     26      1.1  reinoud  *
     27      1.1  reinoud  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28      1.1  reinoud  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29      1.1  reinoud  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30      1.1  reinoud  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31      1.1  reinoud  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32      1.1  reinoud  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33      1.1  reinoud  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34      1.1  reinoud  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35      1.1  reinoud  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36      1.1  reinoud  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37      1.1  reinoud  * POSSIBILITY OF SUCH DAMAGE.
     38      1.1  reinoud  */
     39      1.1  reinoud 
     40      1.1  reinoud #ifndef _ARM32_ISA_MACHDEP_H_
     41      1.1  reinoud #define _ARM32_ISA_MACHDEP_H_
     42      1.1  reinoud 
     43      1.1  reinoud #include <machine/bus.h>
     44      1.1  reinoud #include <dev/isa/isadmavar.h>
     45      1.1  reinoud 
     46      1.1  reinoud /*
     47      1.1  reinoud  * Types provided to machine-independent ISA code.
     48      1.1  reinoud  */
     49      1.1  reinoud struct arm32_isa_chipset {
     50      1.1  reinoud 	struct isa_dma_state ic_dmastate;
     51      1.1  reinoud };
     52      1.1  reinoud 
     53      1.1  reinoud typedef struct arm32_isa_chipset *isa_chipset_tag_t;
     54      1.1  reinoud 
     55      1.1  reinoud struct device;			/* XXX */
     56      1.1  reinoud struct isabus_attach_args;	/* XXX */
     57      1.1  reinoud 
     58      1.1  reinoud /*
     59      1.1  reinoud  * Functions provided to machine-independent ISA code.
     60      1.1  reinoud  */
     61      1.1  reinoud void	isa_attach_hook(struct device *, struct device *,
     62      1.1  reinoud 	    struct isabus_attach_args *);
     63      1.1  reinoud const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
     64      1.1  reinoud void	*isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
     65      1.1  reinoud 	    int level, int (*ih_fun)(void *), void *ih_arg);
     66      1.1  reinoud void	isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
     67      1.1  reinoud 
     68      1.1  reinoud #define	isa_dmainit(ic, bst, dmat, d)					\
     69      1.1  reinoud 	_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
     70      1.1  reinoud #define	isa_dmacascade(ic, c)						\
     71      1.1  reinoud 	_isa_dmacascade(&(ic)->ic_dmastate, (c))
     72      1.1  reinoud #define	isa_dmamaxsize(ic, c)						\
     73      1.1  reinoud 	_isa_dmamaxsize(&(ic)->ic_dmastate, (c))
     74      1.1  reinoud #define	isa_dmamap_create(ic, c, s, f)					\
     75      1.1  reinoud 	_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
     76      1.1  reinoud #define	isa_dmamap_destroy(ic, c)					\
     77      1.1  reinoud 	_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
     78      1.1  reinoud #define	isa_dmastart(ic, c, a, n, p, f, bf)				\
     79      1.1  reinoud 	_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
     80      1.1  reinoud #define	isa_dmaabort(ic, c)						\
     81      1.1  reinoud 	_isa_dmaabort(&(ic)->ic_dmastate, (c))
     82      1.1  reinoud #define	isa_dmacount(ic, c)						\
     83      1.1  reinoud 	_isa_dmacount(&(ic)->ic_dmastate, (c))
     84      1.1  reinoud #define	isa_dmafinished(ic, c)						\
     85      1.1  reinoud 	_isa_dmafinished(&(ic)->ic_dmastate, (c))
     86      1.1  reinoud #define	isa_dmadone(ic, c)						\
     87      1.1  reinoud 	_isa_dmadone(&(ic)->ic_dmastate, (c))
     88      1.1  reinoud #define	isa_dmafreeze(ic)						\
     89      1.1  reinoud 	_isa_dmafreeze(&(ic)->ic_dmastate)
     90      1.1  reinoud #define	isa_dmathaw(ic)							\
     91      1.1  reinoud 	_isa_dmathaw(&(ic)->ic_dmastate)
     92      1.1  reinoud #define	isa_dmamem_alloc(ic, c, s, ap, f)				\
     93      1.1  reinoud 	_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
     94      1.1  reinoud #define	isa_dmamem_free(ic, c, a, s)					\
     95      1.1  reinoud 	_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
     96      1.1  reinoud #define	isa_dmamem_map(ic, c, a, s, kp, f)				\
     97      1.1  reinoud 	_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
     98      1.1  reinoud #define	isa_dmamem_unmap(ic, c, k, s)					\
     99      1.1  reinoud 	_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
    100      1.1  reinoud #define	isa_dmamem_mmap(ic, c, a, s, o, p, f)				\
    101      1.1  reinoud 	_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
    102      1.1  reinoud #define	isa_drq_isfree(ic, c)						\
    103      1.1  reinoud 	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
    104      1.1  reinoud #define	isa_malloc(ic, c, s, p, f)					\
    105      1.1  reinoud 	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
    106      1.1  reinoud #define	isa_free(a, p)							\
    107      1.1  reinoud 	_isa_free((a), (p))
    108      1.1  reinoud #define	isa_mappage(m, o, p)						\
    109      1.1  reinoud 	_isa_mappage((m), (o), (p))
    110      1.1  reinoud 
    111      1.1  reinoud /*
    112      1.1  reinoud  * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
    113      1.1  reinoud  * BY PORTABLE CODE.
    114      1.1  reinoud  */
    115      1.1  reinoud 
    116      1.1  reinoud extern struct arm32_bus_dma_tag isa_bus_dma_tag;
    117      1.1  reinoud 
    118      1.1  reinoud /*
    119      1.1  reinoud  * Cookie used by ISA DMA.  A pointer to one of these is stashed in
    120      1.1  reinoud  * the DMA map.
    121      1.1  reinoud  */
    122      1.1  reinoud struct arm32_isa_dma_cookie {
    123      1.1  reinoud 	int	id_flags;		/* flags; see below */
    124      1.1  reinoud 
    125      1.1  reinoud 	/*
    126      1.1  reinoud 	 * Information about the original buffer used during
    127      1.1  reinoud 	 * DMA map syncs.  Note that origbuflen is only used
    128      1.1  reinoud 	 * for ID_BUFTYPE_LINEAR.
    129      1.1  reinoud 	 */
    130      1.1  reinoud 	void	*id_origbuf;		/* pointer to orig buffer if
    131      1.1  reinoud 					   bouncing */
    132      1.1  reinoud 	bus_size_t id_origbuflen;	/* ...and size */
    133      1.1  reinoud 	int	id_buftype;		/* type of buffer */
    134      1.1  reinoud 
    135      1.1  reinoud 	void	*id_bouncebuf;		/* pointer to the bounce buffer */
    136      1.1  reinoud 	bus_size_t id_bouncebuflen;	/* ...and size */
    137      1.1  reinoud 	int	id_nbouncesegs;		/* number of valid bounce segs */
    138      1.1  reinoud 	bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer
    139      1.1  reinoud 					       physical memory segments */
    140      1.1  reinoud };
    141      1.1  reinoud 
    142      1.1  reinoud /* id_flags */
    143      1.1  reinoud #define	ID_MIGHT_NEED_BOUNCE	0x01	/* map could need bounce buffers */
    144      1.1  reinoud #define	ID_HAS_BOUNCE		0x02	/* map currently has bounce buffers */
    145      1.1  reinoud #define	ID_IS_BOUNCING		0x04	/* map is bouncing current xfer */
    146      1.1  reinoud 
    147      1.1  reinoud /* id_buftype */
    148      1.1  reinoud #define	ID_BUFTYPE_INVALID	0
    149      1.1  reinoud #define	ID_BUFTYPE_LINEAR	1
    150      1.1  reinoud #define	ID_BUFTYPE_MBUF		2
    151      1.1  reinoud #define	ID_BUFTYPE_UIO		3
    152      1.1  reinoud #define	ID_BUFTYPE_RAW		4
    153      1.1  reinoud 
    154      1.1  reinoud /* bus space tags */
    155      1.1  reinoud extern struct bus_space isa_io_bs_tag;
    156      1.1  reinoud extern struct bus_space isa_mem_bs_tag;
    157      1.1  reinoud 
    158      1.1  reinoud /* ISA chipset */
    159      1.1  reinoud extern struct arm32_isa_chipset isa_chipset_tag;
    160      1.1  reinoud 
    161      1.1  reinoud /* for pccons.c */
    162      1.1  reinoud #define MONO_BASE           0x3B4
    163      1.1  reinoud #define MONO_BUF            0x000B0000
    164      1.1  reinoud #define CGA_BASE            0x3D4
    165      1.1  reinoud #define CGA_BUF             0x000B8000
    166      1.1  reinoud #define VGA_BUF             0xA0000
    167      1.1  reinoud #define VGA_BUF_LEN         (0xBFFFF - 0xA0000)
    168      1.1  reinoud 
    169      1.2     matt void	isa_init(vaddr_t, vaddr_t);
    170      1.2     matt void	isa_io_init(vaddr_t, vaddr_t);
    171      1.2     matt void	isa_dma_init(void);
    172      1.2     matt vaddr_t	isa_io_data_vaddr(void);
    173      1.2     matt vaddr_t	isa_mem_data_vaddr(void);
    174      1.1  reinoud int isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq);
    175  1.2.6.1  thorpej void	isa_intr_init(void);
    176      1.1  reinoud 
    177      1.1  reinoud /*
    178      1.1  reinoud  * Miscellanous functions.
    179      1.1  reinoud  */
    180      1.1  reinoud void sysbeep(int, int);		/* beep with the system speaker */
    181      1.2     matt void isa_fillw(u_int val, void *addr, size_t len);
    182      1.1  reinoud 
    183      1.1  reinoud #endif	/* _ARM32_ISA_MACHDEP_H_ XXX */
    184