grfvar.h revision 1.19 1 /* $NetBSD: grfvar.h,v 1.19 1997/08/03 06:52:23 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 bus_space_tag_t sc_tag;
55 bus_space_handle_t sc_handle;
56 bus_space_handle_t sc_regh;
57 bus_space_handle_t sc_fbh;
58
59 struct grfmode curr_mode; /* hardware desc(for ioctl) */
60 u_int32_t card_id; /* DrHW value for nubus cards */
61 bus_size_t cli_offset; /* Offset to clear interrupt */
62 /* for cards where that's suff. */
63 u_int32_t cli_value; /* Value to write at cli_offset */
64 nubus_dir board_dir; /* Nubus dir for curr board */
65 };
66
67 /*
68 * State info, per grf instance.
69 */
70 struct grf_softc {
71 struct device sc_dev; /* device glue */
72
73 bus_space_tag_t sc_tag;
74 bus_space_handle_t sc_handle;
75
76 int sc_flags; /* driver flags */
77
78 struct grfmode *sc_grfmode; /* forwarded ... */
79 nubus_slot *sc_slot;
80 /* mode-change on/off/mode function */
81 int (*sc_mode) __P((struct grf_softc *, int, void *));
82 /* find framebuffer physical addr */
83 caddr_t (*sc_phys) __P((struct grf_softc *));
84 };
85
86 /*
87 * Attach grf and ite semantics to Mac video hardware.
88 */
89 struct grfbus_attach_args {
90 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 int (*ga_mode) __P((struct grf_softc *, int, void *));
96 caddr_t (*ga_phys) __P((struct grf_softc *, vm_offset_t));
97 };
98
99 typedef caddr_t (*grf_phys_t) __P((struct grf_softc *gp, vm_offset_t addr));
100
101 /* flags */
102 #define GF_ALIVE 0x01
103 #define GF_OPEN 0x02
104 #define GF_EXCLUDE 0x04
105 #define GF_WANTED 0x08
106 #define GF_BSDOPEN 0x10
107 #define GF_HPUXOPEN 0x20
108
109 /* requests to mode routine */
110 #define GM_GRFON 1
111 #define GM_GRFOFF 2
112 #define GM_CURRMODE 3
113 #define GM_LISTMODES 4
114 #define GM_NEWMODE 5
115
116 /* minor device interpretation */
117 #define GRFUNIT(d) ((d) & 0x7)
118
119 /*
120 * Nubus image data structure. This is the equivalent of a PixMap in
121 * MacOS programming parlance. One of these structures exists for each
122 * video mode that a quickdraw compatible card can fit in.
123 */
124 struct image_data {
125 u_int32_t size;
126 u_int32_t offset;
127 u_int16_t rowbytes;
128 u_int16_t top;
129 u_int16_t left;
130 u_int16_t bottom;
131 u_int16_t right;
132 u_int16_t version;
133 u_int16_t packType;
134 u_int32_t packSize;
135 u_int32_t hRes;
136 u_int32_t vRes;
137 u_int16_t pixelType;
138 u_int16_t pixelSize;
139 u_int16_t cmpCount;
140 u_int16_t cmpSize;
141 u_int32_t planeBytes;
142 };
143
144 #define VID_PARAMS 1
145 #define VID_TABLE_OFFSET 2
146 #define VID_PAGE_CNT 3
147 #define VID_DEV_TYPE 4
148
149 int grfopen __P((dev_t dev, int flag, int mode, struct proc *p));
150 int grfclose __P((dev_t dev, int flag, int mode, struct proc *p));
151 int grfioctl __P((dev_t, int, caddr_t, int, struct proc *p));
152 int grfpoll __P((dev_t dev, int events, struct proc *p));
153 int grfmmap __P((dev_t dev, int off, int prot));
154 int grfon __P((dev_t dev));
155 int grfoff __P((dev_t dev));
156 int grfaddr __P((struct grf_softc *gp, register int off));
157 int grfmap __P((dev_t dev, caddr_t *addrp, struct proc *p));
158 int grfunmap __P((dev_t dev, caddr_t addr, struct proc *p));
159
160 void grf_establish __P((struct grfbus_softc *, nubus_slot *,
161 int (*)(struct grf_softc *, int, void *),
162 caddr_t (*)(struct grf_softc *)));
163 int grfbusprint __P((void *, const char *));
164