FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/fbreg.h
1 /*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 AUTHOR ``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 AUTHOR 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 _DEV_FB_FBREG_H_
30 #define _DEV_FB_FBREG_H_
31
32 #ifdef KERNEL
33
34 #define V_MAX_ADAPTERS 8 /* XXX */
35
36 /* some macros */
37 #ifdef __i386__
38 #define bcopy_toio(s, d, c) generic_bcopy((void *)(s), (void *)(d), c)
39 #define bcopy_fromio(s, d, c) generic_bcopy((void *)(s), (void *)(d), c)
40 #define bzero_io(d, c) generic_bzero((void *)(d), c)
41 void generic_bcopy(const void *s, void *d, size_t c);
42 void generic_bzero(void *d, size_t c);
43 #else /* !__i386__ */
44 #define bcopy_toio(s, d, c) memcpy_toio(d, s, c)
45 #define bcopy_fromio(s, d, c) memcpy_fromio(d, s, c)
46 #define bzero_io(d, c) memset_io(d, 0, c)
47 #endif /* !__i386__ */
48
49 /* video function table */
50 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
51 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
52 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
53 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
54 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
55 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
56 u_char *data, int c, int count);
57 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
58 u_char *data, int c, int count);
59 typedef int vi_show_font_t(video_adapter_t *adp, int page);
60 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
61 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
62 typedef int vi_set_border_t(video_adapter_t *adp, int border);
63 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
64 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
65 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
66 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
67 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
68 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
69 int height, int celsize, int blink);
70 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
71 #define V_DISPLAY_POWER_ON 0
72 #define V_DISPLAY_SUSPEND 1
73 #define V_DISPLAY_SUSPEND1 1
74 #define V_DISPLAY_SUSPEND2 2
75 #define V_DISPLAY_POWER_OFF 3
76 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset);
77 typedef int vi_diag_t(video_adapter_t *adp, int level);
78
79 typedef struct video_switch {
80 vi_probe_t *probe;
81 vi_init_t *init;
82 vi_get_info_t *get_info;
83 vi_query_mode_t *query_mode;
84 vi_set_mode_t *set_mode;
85 vi_save_font_t *save_font;
86 vi_load_font_t *load_font;
87 vi_show_font_t *show_font;
88 vi_save_palette_t *save_palette;
89 vi_load_palette_t *load_palette;
90 vi_set_border_t *set_border;
91 vi_save_state_t *save_state;
92 vi_load_state_t *load_state;
93 vi_set_win_org_t *set_win_org;
94 vi_read_hw_cursor_t *read_hw_cursor;
95 vi_set_hw_cursor_t *set_hw_cursor;
96 vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
97 vi_blank_display_t *blank_display;
98 vi_mmap_t *mmap;
99 vi_diag_t *diag;
100 } video_switch_t;
101
102 #define save_palette(adp, pal) \
103 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
104 #define load_palette(adp, pal) \
105 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
106 #define get_mode_info(adp, mode, buf) \
107 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
108 #define set_video_mode(adp, mode) \
109 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
110 #if 0 /* XXX conflicts with syscons' set_border() */
111 #define set_border(adp, border) \
112 (*vidsw[(adp)->va_index]->set_border)((adp), (border))
113 #endif
114 #define set_origin(adp, o) \
115 (*vidsw[(adp)->va_index]->set_win_org)(adp, o)
116
117 /* XXX - add more macros */
118
119 /* video driver */
120 typedef struct video_driver {
121 char *name;
122 video_switch_t *vidsw;
123 int (*configure)(int); /* backdoor for the console driver */
124 } video_driver_t;
125
126 #define VIDEO_DRIVER(name, sw, config) \
127 static struct video_driver name##_driver = { \
128 #name, &sw, config \
129 }; \
130 DATA_SET(videodriver_set, name##_driver);
131
132 /* global variables */
133 extern struct video_switch **vidsw;
134 extern struct linker_set videodriver_set;
135
136 /* functions for the video card driver */
137 int vid_register(video_adapter_t *adp);
138 int vid_unregister(video_adapter_t *adp);
139 video_switch_t *vid_get_switch(char *name);
140 void vid_init_struct(video_adapter_t *adp, char *name, int type,
141 int unit);
142
143 /* functions for the video card client */
144 int vid_allocate(char *driver, int unit, void *id);
145 int vid_release(video_adapter_t *adp, void *id);
146 int vid_find_adapter(char *driver, int unit);
147 video_adapter_t *vid_get_adapter(int index);
148
149 /* a backdoor for the console driver to tickle the video driver XXX */
150 int vid_configure(int flags);
151 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */
152
153 #ifdef FB_INSTALL_CDEV
154
155 /* virtual frame buffer driver functions */
156 int fb_attach(dev_t dev, video_adapter_t *adp,
157 struct cdevsw *cdevsw);
158 int fb_detach(dev_t dev, video_adapter_t *adp,
159 struct cdevsw *cdevsw);
160
161 #endif /* FB_INSTALL_CDEV */
162
163 /* generic low-level driver functions */
164
165 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
166 void fb_dump_mode_info(char *driver, video_adapter_t *adp,
167 video_info_t *info, int level);
168
169 #endif /* KERNEL */
170
171 #endif /* !_DEV_FB_FBREG_H_ */
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