/* $NetBSD: isa_machdep.h,v 1.8 1998/06/09 01:06:33 thorpej Exp $ */

/*
 * Copyright (c) 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chris G. Demetriou
 *
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#include <dev/isa/isadmavar.h>

/*
 * Types provided to machine-independent ISA code.
 */
typedef struct alpha_isa_chipset *isa_chipset_tag_t;

struct alpha_isa_chipset {
	void	*ic_v;

	struct isa_dma_state ic_dmastate;

	void	(*ic_attach_hook) __P((struct device *, struct device *,
		    struct isabus_attach_args *));
	void	*(*ic_intr_establish) __P((void *, int, int, int,
		    int (*)(void *), void *));
	void	(*ic_intr_disestablish) __P((void *, void *));
	int	(*ic_intr_alloc) __P((void *, int, int, int *));
};


/*
 * Functions provided to machine-independent ISA code.
 */
#define	isa_attach_hook(p, s, a)					\
    (*(a)->iba_ic->ic_attach_hook)((p), (s), (a))
#define	isa_intr_establish(c, i, t, l, f, a)				\
    (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a))
#define	isa_intr_disestablish(c, h)					\
    (*(c)->ic_intr_disestablish)((c)->ic_v, (h))
#define	isa_intr_alloc(c, m, t, i)					\
    (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i))

#define	isa_dmainit(ic, bst, dmat, d)					\
	_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
#define	isa_dmacascade(ic, c)						\
	_isa_dmacascade(&(ic)->ic_dmastate, (c))
#define	isa_dmamap_create(ic, c, s, f)					\
	_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
#define	isa_dmamap_destroy(ic, c)					\
	_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
#define	isa_dmastart(ic, c, a, n, p, f, bf)				\
	_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
#define	isa_dmaabort(ic, c)						\
	_isa_dmaabort(&(ic)->ic_dmastate, (c))
#define	isa_dmacount(ic, c)						\
	_isa_dmacount(&(ic)->ic_dmastate, (c))
#define	isa_dmafinished(ic, c)						\
	_isa_dmafinished(&(ic)->ic_dmastate, (c))
#define	isa_dmadone(ic, c)						\
	_isa_dmadone(&(ic)->ic_dmastate, (c))
#define	isa_dmafreeze(ic)						\
	_isa_dmafreeze(&(ic)->ic_dmastate)
#define	isa_dmathaw(ic)							\
	_isa_dmathaw(&(ic)->ic_dmastate)
#define	isa_dmamem_alloc(ic, c, s, ap, f)				\
	_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
#define	isa_dmamem_free(ic, c, a, s)					\
	_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
#define	isa_dmamem_map(ic, c, a, s, kp, f)				\
	_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
#define	isa_dmamem_unmap(ic, c, k, s)					\
	_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
#define	isa_dmamem_mmap(ic, c, a, s, o, p, f)				\
	_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
#define	isa_drq_isfree(ic, c)						\
	_isa_drq_isfree(&(ic)->ic_dmastate, (c))
#define	isa_malloc(ic, c, s, p, f)					\
	_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
#define	isa_free(a, p)							\
	_isa_free((a), (p))
#define	isa_mappage(m, o, p)						\
	_isa_mappage((m), (o), (p))

/*
 * alpha-specific ISA functions.
 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
 */ 
int isa_display_console __P((bus_space_tag_t, bus_space_tag_t));