1/*	$NetBSD: grfvar.h,v 1.32 2019/07/26 10:48:44 rin Exp $	*/
2
3/*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
37 *
38 *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
39 */
40
41#define CARD_NAME_LEN	64
42
43/*
44 * Color map, required for DAFB to support genfb(4).
45 */
46struct grfbus_cmap {
47	uint8_t		*red;
48	uint8_t		*green;
49	uint8_t		*blue;
50};
51
52/*
53 * State info, per hardware instance.
54 */
55struct grfbus_softc {
56	device_t	sc_dev;
57	nubus_slot	sc_slot;
58
59	bus_addr_t		sc_basepa;	/* base of video space */
60	bus_addr_t		sc_fbofs;	/* offset to framebuffer */
61
62	bus_space_tag_t		sc_tag;
63	bus_space_handle_t	sc_handle;
64	bus_space_handle_t	sc_regh;
65
66	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
67	u_int32_t	card_id;	/* DrHW value for nubus cards	*/
68	bus_size_t	cli_offset;	/* Offset to clear interrupt	*/
69					/* for cards where that's suff.	*/
70	u_int32_t	cli_value;	/* Value to write at cli_offset */
71	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
72
73	bus_space_handle_t	sc_cmh;
74	void			(*sc_set_mapreg)(void *, int, int, int, int);
75	struct grfbus_cmap	sc_cmap;
76};
77
78/*
79 * State info, per grf instance.
80 */
81struct grf_softc {
82	char sc_xname[15];		/* name of the device */
83	struct macfb_softc *mfb_sc;
84};
85
86/*
87 * Attach grf and ite semantics to Mac video hardware.
88 */
89struct grfbus_attach_args {
90	const char	*ga_name;	/* name of semantics to attach */
91	bus_space_tag_t	ga_tag;		/* forwarded ... */
92	bus_space_handle_t ga_handle;
93	struct grfmode	*ga_grfmode;
94	nubus_slot	*ga_slot;
95	bus_addr_t	ga_phys;
96	bus_addr_t	ga_fboff;
97	int		(*ga_mode)(struct grf_softc *, int, void *);
98	void		(*ga_set_mapreg)(void *, int, int, int, int);
99	struct grfbus_softc *ga_parent;
100};
101
102typedef	void *(*grf_phys_t)(struct grf_softc *, vaddr_t);
103
104/* flags */
105#define	GF_ALIVE	0x01
106#define GF_OPEN		0x02
107#define GF_EXCLUDE	0x04
108#define GF_WANTED	0x08
109#define GF_BSDOPEN	0x10
110#define GF_HPUXOPEN	0x20
111
112/* requests to mode routine */
113#define GM_GRFON	1
114#define GM_GRFOFF	2
115#define GM_CURRMODE	3
116#define GM_LISTMODES	4
117#define GM_NEWMODE	5
118
119/* minor device interpretation */
120#define GRFUNIT(d)	(minor(d))
121
122/*
123 * Nubus image data structure.  This is the equivalent of a PixMap in
124 * MacOS programming parlance.  One of these structures exists for each
125 * video mode that a quickdraw compatible card can fit in.
126 */
127struct image_data {
128	u_int32_t	size;
129	u_int32_t	offset;
130	u_int16_t	rowbytes;
131	u_int16_t	top;
132	u_int16_t	left;
133	u_int16_t	bottom;
134	u_int16_t	right;
135	u_int16_t	version;
136	u_int16_t	packType;
137	u_int32_t	packSize;
138	u_int32_t	hRes;
139	u_int32_t	vRes;
140	u_int16_t	pixelType;
141	u_int16_t	pixelSize;
142	u_int16_t	cmpCount;
143	u_int16_t	cmpSize;
144	u_int32_t	planeBytes;
145};
146
147#define VID_PARAMS		1
148#define VID_TABLE_OFFSET	2
149#define VID_PAGE_CNT		3
150#define VID_DEV_TYPE		4
151
152void	grf_attach(struct macfb_softc *, int);
153
154void	grf_establish(struct grfbus_softc *, nubus_slot *,
155	    int (*)(struct grf_softc *, int, void *));
156int	grfbusprint(void *, const char *);
157