grfvar.h revision 1.13 1 /* $NetBSD: grfvar.h,v 1.13 1996/09/14 05:54:53 scottr 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. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the University of
23 * California, Berkeley and its contributors.
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
41 *
42 * @(#)grfvar.h 7.3 (Berkeley) 5/7/91
43 */
44
45 #define CARD_NAME_LEN 64
46
47 /*
48 * State info, per hardware instance.
49 */
50 struct grfbus_softc {
51 struct device sc_dev;
52 nubus_slot sc_slot;
53
54 struct grfmode curr_mode; /* hardware desc(for ioctl) */
55 u_int16_t card_id; /* DrHW value for nubus cards */
56 nubus_dir board_dir; /* Nubus dir for curr board */
57 };
58
59 /*
60 * State info, per grf instance.
61 */
62 struct grf_softc {
63 struct device sc_dev; /* device glue */
64
65 int sc_flags; /* software flags */
66 struct grfmode *sc_grfmode; /* forwarded ... */
67 nubus_slot *sc_slot;
68 /* mode-change on/off/mode function */
69 int (*sc_mode) __P((struct grf_softc *, int, void *));
70 /* map virtual addr to physical addr */
71 caddr_t (*sc_phys) __P((struct grf_softc *, vm_offset_t));
72 };
73
74 /*
75 * Attach grf and ite semantics to Mac video hardware.
76 */
77 struct grfbus_attach_args {
78 char *ga_name; /* name of semantics to attach */
79 struct grfmode *ga_grfmode; /* forwarded ... */
80 nubus_slot *ga_slot;
81 int (*ga_mode) __P((struct grf_softc *, int, void *));
82 caddr_t (*ga_phys) __P((struct grf_softc *, vm_offset_t));
83 };
84
85 typedef caddr_t (*grf_phys_t) __P((struct grf_softc *gp, vm_offset_t addr));
86
87 /* flags */
88 #define GF_ALIVE 0x01
89 #define GF_OPEN 0x02
90 #define GF_EXCLUDE 0x04
91 #define GF_WANTED 0x08
92 #define GF_BSDOPEN 0x10
93 #define GF_HPUXOPEN 0x20
94
95 /* requests to mode routine */
96 #define GM_GRFON 1
97 #define GM_GRFOFF 2
98 #define GM_CURRMODE 3
99 #define GM_LISTMODES 4
100 #define GM_NEWMODE 5
101
102 /* minor device interpretation */
103 #define GRFUNIT(d) ((d) & 0x7)
104
105 /*
106 * Nubus image data structure. This is the equivalent of a PixMap in
107 * MacOS programming parlance. One of these structures exists for each
108 * video mode that a quickdraw compatible card can fit in.
109 */
110 struct image_data {
111 u_int32_t size;
112 u_int32_t offset;
113 u_int16_t rowbytes;
114 u_int16_t top;
115 u_int16_t left;
116 u_int16_t bottom;
117 u_int16_t right;
118 u_int16_t version;
119 u_int16_t packType;
120 u_int32_t packSize;
121 u_int32_t hRes;
122 u_int32_t vRes;
123 u_int16_t pixelType;
124 u_int16_t pixelSize;
125 u_int16_t cmpCount;
126 u_int16_t cmpSize;
127 u_int32_t planeBytes;
128 };
129
130 #define VID_PARAMS 1
131 #define VID_TABLE_OFFSET 2
132 #define VID_PAGE_CNT 3
133 #define VID_DEV_TYPE 4
134
135 int grfopen __P((dev_t dev, int flag, int mode, struct proc *p));
136 int grfclose __P((dev_t dev, int flag, int mode, struct proc *p));
137 int grfioctl __P((dev_t, int, caddr_t, int, struct proc *p));
138 int grfpoll __P((dev_t dev, int events, struct proc *p));
139 int grfmmap __P((dev_t dev, int off, int prot));
140 int grfon __P((dev_t dev));
141 int grfoff __P((dev_t dev));
142 int grfaddr __P((struct grf_softc *gp, register int off));
143 int grfmap __P((dev_t dev, caddr_t *addrp, struct proc *p));
144 int grfunmap __P((dev_t dev, caddr_t addr, struct proc *p));
145
146 void grf_establish __P((struct grfbus_softc *, nubus_slot *,
147 int (*)(struct grf_softc *, int, void *),
148 caddr_t (*)(struct grf_softc *, vm_offset_t)));
149 int grfbusprint __P((void *, const char *));
150