xref: /openbsd/sys/arch/alpha/isa/isa_machdep.h (revision d485f761)
1 /*	$OpenBSD: isa_machdep.h,v 1.10 2001/11/05 17:25:57 art Exp $	*/
2 /*	$NetBSD: isa_machdep.h,v 1.3 1996/11/19 04:53:07 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1996 Carnegie-Mellon University.
6  * All rights reserved.
7  *
8  * Author: Chris G. Demetriou
9  *
10  * Permission to use, copy, modify and distribute this software and
11  * its documentation is hereby granted, provided that both the copyright
12  * notice and this permission notice appear in all copies of the
13  * software, derivative works or modified versions, and any portions
14  * thereof, and that both notices appear in supporting documentation.
15  *
16  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19  *
20  * Carnegie Mellon requests users of this software to return to
21  *
22  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23  *  School of Computer Science
24  *  Carnegie Mellon University
25  *  Pittsburgh PA 15213-3890
26  *
27  * any improvements or extensions that they make and grant Carnegie the
28  * rights to redistribute these changes.
29  */
30 
31 /*
32  * Types provided to machine-independent ISA code.
33  */
34 typedef struct alpha_isa_chipset *isa_chipset_tag_t;
35 
36 struct alpha_isa_chipset {
37 	void	*ic_v;
38 
39 	void	(*ic_attach_hook) __P((struct device *, struct device *,
40 		    struct isabus_attach_args *));
41 	void	*(*ic_intr_establish) __P((void *, int, int, int,
42 		    int (*)(void *), void *, char *));
43 	void	(*ic_intr_disestablish) __P((void *, void *));
44 	int	(*ic_intr_alloc) __P((isa_chipset_tag_t *, int, int, int *));
45 };
46 
47 /*
48  * Functions provided to machine-independent ISA code.
49  */
50 #define	isa_attach_hook(p, s, a)					\
51     (*(a)->iba_ic->ic_attach_hook)((p), (s), (a))
52 #define	isa_intr_establish(c, i, t, l, f, a, nm)			\
53     (*(c)->ic_intr_establish)((c)->ic_v, (i), (t), (l), (f), (a), (nm))
54 #define	isa_intr_disestablish(c, h)					\
55     (*(c)->ic_intr_disestablish)((c)->ic_v, (h))
56 #define isa_intr_alloc(c, m, t, i)					\
57     (*(c)->ic_intr_alloc)((c)->ic_v, (m), (t), (i))
58 
59 #define __NO_ISA_INTR_CHECK
60 
61 /*
62  * alpha-specific ISA functions.
63  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
64  */
65 int	isa_display_console __P((bus_space_tag_t, bus_space_tag_t));
66 
67 #ifdef _ALPHA_BUS_DMA_PRIVATE
68 int	isadma_bounce_dmamap_create(bus_dma_tag_t, bus_size_t, int,
69 	    bus_size_t, bus_size_t, int, bus_dmamap_t *);
70 void	isadma_bounce_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
71 int	isadma_bounce_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
72 	    bus_size_t, struct proc *, int);
73 int	isadma_bounce_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
74 	    struct mbuf *, int);
75 int	isadma_bounce_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
76 	    struct uio *, int);
77 int	isadma_bounce_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
78 	    bus_dma_segment_t *, int, bus_size_t, int);
79 void	isadma_bounce_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
80 void	isadma_bounce_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
81 	    bus_size_t, int);
82 int	isadma_bounce_dmamem_alloc(bus_dma_tag_t, bus_size_t, bus_size_t,
83 	    bus_size_t, bus_dma_segment_t *, int, int *, int);
84 #endif /* _ALPHA_BUS_DMA_PRIVATE */
85