1/*	$NetBSD: ofisavar.h,v 1.8 2021/04/30 02:13:15 thorpej Exp $	*/
2
3/*
4 * Copyright 1998
5 * Digital Equipment Corporation. All rights reserved.
6 *
7 * This software is furnished under license and may be used and
8 * copied only in accordance with the following terms and conditions.
9 * Subject to these conditions, you may download, copy, install,
10 * use, modify and distribute this software in source and/or binary
11 * form. No title or ownership is transferred hereby.
12 *
13 * 1) Any source code used, modified or distributed must reproduce
14 *    and retain this copyright notice and list of conditions as
15 *    they appear in the source file.
16 *
17 * 2) No right is granted to use any trade name, trademark, or logo of
18 *    Digital Equipment Corporation. Neither the "Digital Equipment
19 *    Corporation" name nor any trademark or logo of Digital Equipment
20 *    Corporation may be used to endorse or promote products derived
21 *    from this software without the prior written permission of
22 *    Digital Equipment Corporation.
23 *
24 * 3) This software is provided "AS-IS" and any express or implied
25 *    warranties, including but not limited to, any implied warranties
26 *    of merchantability, fitness for a particular purpose, or
27 *    non-infringement are disclaimed. In no event shall DIGITAL be
28 *    liable for any damages whatsoever, and in particular, DIGITAL
29 *    shall not be liable for special, indirect, consequential, or
30 *    incidental damages or damages for lost profits, loss of
31 *    revenue or loss of use, whether such damages arise in contract,
32 *    negligence, tort, under statute, in equity, at law or otherwise,
33 *    even if advised of the possibility of such damage.
34 */
35
36#ifndef _DEV_OFISA_OFISAVAR_H_
37#define	_DEV_OFISA_OFISAVAR_H_
38
39#include <dev/ofw/openfirm.h>
40#include <dev/isa/isavar.h>
41
42struct ofisa_attach_args {
43	struct ofbus_attach_args oba;	/* common */
44
45	bus_space_tag_t	iot;		/* i/o space tag */
46	bus_space_tag_t	memt;		/* mem space tag */
47	bus_dma_tag_t	dmat;		/* DMA tag */
48	isa_chipset_tag_t ic;		/* chipset tag (for intr, etc.) */
49};
50
51struct ofisa_reg_desc {
52	int		type;		/* type.  XXX aliasing modifiers? */
53	bus_addr_t	addr;		/* base address. */
54	bus_size_t	len;		/* length. */
55};
56
57#define	OFISA_REG_TYPE_MEM	0	/* memory space */
58#define	OFISA_REG_TYPE_IO	1	/* I/O space */
59
60struct ofisa_intr_desc {
61	int		share;		/* sharing type: IST_*. */
62	int		irq;		/* IRQ. */
63};
64
65struct ofisa_dma_desc {
66	int		drq;		/* DMA request */
67	int		mode;		/* DMA mode */
68	int		width;		/* DMA width */
69	int		countwidth;	/* DMA count width */
70	int		busmaster;	/* boolean; is a busmaster */
71};
72
73#define	OFISA_DMA_MODE_COMPAT	0	/* compatibility mode */
74#define	OFISA_DMA_MODE_A	1	/* DMA A mode */
75#define	OFISA_DMA_MODE_B	2	/* DMA B mode */
76#define	OFISA_DMA_MODE_F	3	/* DMA F mode */
77#define	OFISA_DMA_MODE_C	4	/* DMA C mode */
78
79/*
80 * Machine-dependent function/macro definitions.
81 *
82 * Machine-dependent code must implement at least:
83 *
84 *	int	ofisa_get_isabus_data(int phandle,
85 *		    struct isabus_attach_args *iba);
86 *
87 *	int	ofisa_ignore_child(int pphandle, int cphandle);
88 *
89 * Individual ofisa attachments may want addition functions or
90 * macros from this (or other) headers.  See those attachments'
91 * files for more details.
92 */
93#include <machine/ofisa_machdep.h>
94
95int	ofisa_reg_count(int);
96int	ofisa_reg_get(int, struct ofisa_reg_desc *, int);
97void	ofisa_reg_print(struct ofisa_reg_desc *, int);
98int	ofisa_intr_count(int);
99int	ofisa_intr_get(int, struct ofisa_intr_desc *, int);
100void	ofisa_intr_print(struct ofisa_intr_desc *, int);
101int	ofisa_dma_count(int);
102int	ofisa_dma_get(int, struct ofisa_dma_desc *, int);
103void	ofisa_dma_print(struct ofisa_dma_desc *, int);
104void	ofisa_print_model(device_t, int);
105int	ofisaprint(void *, const char *);
106
107#endif /* _DEV_OFISA_OFISAVAR_H_ */
108