/*      $OpenBSD: isa_machdep.h,v 1.16 2025/06/29 15:55:21 miod Exp $   */
/*      $NetBSD: isa_machdep.h,v 1.3 1996/11/19 04:53:07 cgd 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.
 */

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

struct alpha_isa_chipset {
        void    *ic_v;

        void    (*ic_attach_hook)(struct device *, struct device *,
                    struct isabus_attach_args *);
        void    *(*ic_intr_establish)(void *, int, int, int,
                    int (*)(void *), void *, const char *);
        void    (*ic_intr_disestablish)(void *, void *);
        int     (*ic_intr_alloc)(isa_chipset_tag_t, int, int, int *);
        int     (*ic_intr_check)(isa_chipset_tag_t, 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, nm)                        \
    (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a), (nm))
#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_intr_check(c, i, t)                                         \
    (*(c)->ic_intr_check)((c)->ic_v, (i), (t))

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

#ifdef _ALPHA_BUS_DMA_PRIVATE
int     isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
            bus_size_t, bus_size_t, int, bus_dmamap_t *);
void    isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
int     isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
            bus_size_t, struct proc *, int);
int     isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
            struct mbuf *, int);
int     isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
            struct uio *, int);
int     isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
            bus_dma_segment_t *, int, bus_size_t, int);
void    isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
void    isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
            bus_size_t, int);
int     isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
            bus_size_t, bus_dma_segment_t *, int, int *, int);
#endif /* _ALPHA_BUS_DMA_PRIVATE */