1 /*-
2 * Copyright (c) 1998 Michael Smith and Kazutaka YOKOTA
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #ifndef _MACHINE_PC_VESA_H
30 #define _MACHINE_PC_VESA_H
31
32 struct vesa_info
33 {
34 /* mandatory fields */
35 u_int8_t v_sig[4] __packed; /* VESA */
36 u_int16_t v_version __packed; /* ver in BCD */
37 u_int32_t v_oemstr __packed; /* OEM string */
38 u_int32_t v_flags __packed; /* flags */
39 #define V_DAC8 (1<<0)
40 #define V_NONVGA (1<<1)
41 #define V_SNOW (1<<2)
42 u_int32_t v_modetable __packed; /* modes */
43 u_int16_t v_memsize __packed; /* in 64K */
44 /* 2.0 */
45 u_int16_t v_revision __packed; /* software rev */
46 u_int32_t v_venderstr __packed; /* vender */
47 u_int32_t v_prodstr __packed; /* product name */
48 u_int32_t v_revstr __packed; /* product rev */
49 };
50
51 struct vesa_mode
52 {
53 /* mandatory fields */
54 u_int16_t v_modeattr;
55 #define V_MODESUPP (1<<0) /* VESA mode attributes */
56 #define V_MODEOPTINFO (1<<1)
57 #define V_MODEBIOSOUT (1<<2)
58 #define V_MODECOLOR (1<<3)
59 #define V_MODEGRAPHICS (1<<4)
60 #define V_MODENONVGA (1<<5)
61 #define V_MODENONBANK (1<<6)
62 #define V_MODELFB (1<<7)
63 #define V_MODEVESA (1<<16) /* Private attributes */
64 u_int8_t v_waattr;
65 u_int8_t v_wbattr;
66 #define V_WATTREXIST (1<<0)
67 #define V_WATTRREAD (1<<1)
68 #define V_WATTRWRITE (1<<2)
69 u_int16_t v_wgran;
70 u_int16_t v_wsize;
71 u_int16_t v_waseg;
72 u_int16_t v_wbseg;
73 u_int32_t v_posfunc;
74 u_int16_t v_bpscanline;
75 /* fields optional for 1.0/1.1 implementations */
76 u_int16_t v_width;
77 u_int16_t v_height;
78 u_int8_t v_cwidth;
79 u_int8_t v_cheight;
80 u_int8_t v_planes;
81 u_int8_t v_bpp;
82 u_int8_t v_banks;
83 u_int8_t v_memmodel;
84 #define V_MMTEXT 0
85 #define V_MMCGA 1
86 #define V_MMHGC 2
87 #define V_MMEGA 3
88 #define V_MMPACKED 4
89 #define V_MMSEQU256 5
90 #define V_MMDIRCOLOR 6
91 #define V_MMYUV 7
92 u_int8_t v_banksize;
93 u_int8_t v_ipages;
94 u_int8_t v_reserved0;
95 /* fields for 1.2+ implementations */
96 u_int8_t v_redmasksize;
97 u_int8_t v_redfieldpos;
98 u_int8_t v_greenmasksize;
99 u_int8_t v_greenfieldpos;
100 u_int8_t v_bluemasksize;
101 u_int8_t v_bluefieldpos;
102 u_int8_t v_resmasksize;
103 u_int8_t v_resfieldpos;
104 u_int8_t v_dircolormode;
105 /* 2.0 implementations */
106 u_int32_t v_lfb;
107 u_int32_t v_offscreen;
108 u_int16_t v_offscreensize;
109 };
110
111 #ifdef _KERNEL
112
113 #define VESA_MODE(x) ((x) >= M_VESA_BASE)
114
115 int vesa_load_ioctl(void);
116 int vesa_unload_ioctl(void);
117
118 #endif
119
120 #endif /* !_MACHINE_PC_VESA_H */
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