xref: /netbsd/sys/arch/alpha/include/eisa_machdep.h (revision bf9ec67e)
1 /* $NetBSD: eisa_machdep.h,v 1.7 2000/08/11 00:43:20 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Chris G. Demetriou
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  */
29 
30 /*
31  * Types provided to machine-independent EISA code.
32  */
33 typedef struct alpha_eisa_chipset *eisa_chipset_tag_t;
34 typedef int eisa_intr_handle_t;
35 
36 struct alpha_eisa_chipset {
37 	void	*ec_v;
38 
39 	void	(*ec_attach_hook)(struct device *, struct device *,
40 		    struct eisabus_attach_args *);
41 	int	(*ec_maxslots)(void *);
42 	int	(*ec_intr_map)(void *, u_int, eisa_intr_handle_t *);
43 	const char *(*ec_intr_string)(void *, eisa_intr_handle_t);
44 	const struct evcnt *(*ec_intr_evcnt)(void *, eisa_intr_handle_t);
45 	void	*(*ec_intr_establish)(void *, eisa_intr_handle_t,
46 		    int, int, int (*)(void *), void *);
47 	void	(*ec_intr_disestablish)(void *, void *);
48 };
49 
50 /*
51  * Functions provided to machine-independent EISA code.
52  */
53 #define	eisa_attach_hook(p, s, a)					\
54     (*(a)->eba_ec->ec_attach_hook)((p), (s), (a))
55 #define	eisa_maxslots(c)						\
56     (*(c)->ec_maxslots)((c)->ec_v)
57 #define	eisa_intr_map(c, i, hp)						\
58     (*(c)->ec_intr_map)((c)->ec_v, (i), (hp))
59 #define	eisa_intr_string(c, h)						\
60     (*(c)->ec_intr_string)((c)->ec_v, (h))
61 #define	eisa_intr_evcnt(c, h)						\
62     (*(c)->ec_intr_evcnt)((c)->ec_v, (h))
63 #define	eisa_intr_establish(c, h, t, l, f, a)				\
64     (*(c)->ec_intr_establish)((c)->ec_v, (h), (t), (l), (f), (a))
65 #define	eisa_intr_disestablish(c, h)					\
66     (*(c)->ec_intr_disestablish)((c)->ec_v, (h))
67 
68 int	eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
69 	    struct eisa_cfg_mem *);
70 int	eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
71 	    struct eisa_cfg_irq *);
72 int	eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
73 	    struct eisa_cfg_dma *);
74 int	eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
75 	    struct eisa_cfg_io *);
76 
77 /*
78  * Internal functions, NOT TO BE USED BY MACHINE-INDEPENDENT CODE!
79  */
80 
81 void	eisa_init(void);
82 
83 extern bus_size_t eisa_config_stride;
84 extern paddr_t eisa_config_addr;
85