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: releng/5.0/sys/dev/fb/fbreg.h 94617 2002-04-13 22:34:16Z obrien $
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_io(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c))
39 #define bcopy_toio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c))
40 #define bcopy_fromio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c))
41 #define bzero_io(d, c) generic_bzero((void *)(d), (c))
42 #define fill_io(p, d, c) fill((p), (void *)(d), (c))
43 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
44 void generic_bcopy(const void *s, void *d, size_t c);
45 void generic_bzero(void *d, size_t c);
46 #else /* !__i386__ */
47 #define bcopy_io(s, d, c) memcpy_io((d), (s), (c))
48 #define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c))
49 #define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c))
50 #define bzero_io(d, c) memset_io((d), 0, (c))
51 #define fill_io(p, d, c) memset_io((d), (p), (c))
52 #define fillw(p, d, c) memsetw((d), (p), (c))
53 #define fillw_io(p, d, c) memsetw_io((d), (p), (c))
54 #endif /* !__i386__ */
55
56 /* video function table */
57 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
58 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
59 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
60 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
61 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
62 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
63 u_char *data, int c, int count);
64 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
65 u_char *data, int c, int count);
66 typedef int vi_show_font_t(video_adapter_t *adp, int page);
67 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
68 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
69 typedef int vi_set_border_t(video_adapter_t *adp, int border);
70 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
71 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
72 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
73 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
74 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
75 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
76 int height, int celsize, int blink);
77 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
78 /* defined in sys/fbio.h
79 #define V_DISPLAY_ON 0
80 #define V_DISPLAY_BLANK 1
81 #define V_DISPLAY_STAND_BY 2
82 #define V_DISPLAY_SUSPEND 3
83 */
84 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot);
85 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
86 typedef int vi_clear_t(video_adapter_t *adp);
87 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
88 int cx, int cy);
89 typedef int vi_bitblt_t(video_adapter_t *adp, ...);
90 typedef int vi_diag_t(video_adapter_t *adp, int level);
91 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
92 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
93 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
94 int n);
95 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
96 u_int32_t a, int size, int bpp, int bit_ltor,
97 int byte_ltor);
98 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
99 u_int8_t a);
100 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
101 int len);
102 typedef int vi_putm_t(video_adapter_t *adp, int x, int y,
103 u_int8_t *pixel_image, u_int32_t pixel_mask, int size);
104
105 typedef struct video_switch {
106 vi_probe_t *probe;
107 vi_init_t *init;
108 vi_get_info_t *get_info;
109 vi_query_mode_t *query_mode;
110 vi_set_mode_t *set_mode;
111 vi_save_font_t *save_font;
112 vi_load_font_t *load_font;
113 vi_show_font_t *show_font;
114 vi_save_palette_t *save_palette;
115 vi_load_palette_t *load_palette;
116 vi_set_border_t *set_border;
117 vi_save_state_t *save_state;
118 vi_load_state_t *load_state;
119 vi_set_win_org_t *set_win_org;
120 vi_read_hw_cursor_t *read_hw_cursor;
121 vi_set_hw_cursor_t *set_hw_cursor;
122 vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
123 vi_blank_display_t *blank_display;
124 vi_mmap_t *mmap;
125 vi_ioctl_t *ioctl;
126 vi_clear_t *clear;
127 vi_fill_rect_t *fill_rect;
128 vi_bitblt_t *bitblt;
129 int (*reserved1)(void);
130 int (*reserved2)(void);
131 vi_diag_t *diag;
132 vi_save_cursor_palette_t *save_cursor_palette;
133 vi_load_cursor_palette_t *load_cursor_palette;
134 vi_copy_t *copy;
135 vi_putp_t *putp;
136 vi_putc_t *putc;
137 vi_puts_t *puts;
138 vi_putm_t *putm;
139 } video_switch_t;
140
141 #define save_palette(adp, pal) \
142 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
143 #define load_palette(adp, pal) \
144 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
145 #define get_mode_info(adp, mode, buf) \
146 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
147 #define set_video_mode(adp, mode) \
148 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
149 #define set_border(adp, border) \
150 (*vidsw[(adp)->va_index]->set_border)((adp), (border))
151 #define set_origin(adp, o) \
152 (*vidsw[(adp)->va_index]->set_win_org)(adp, o)
153
154 /* XXX - add more macros */
155
156 /* video driver */
157 typedef struct video_driver {
158 char *name;
159 video_switch_t *vidsw;
160 int (*configure)(int); /* backdoor for the console driver */
161 } video_driver_t;
162
163 #define VIDEO_DRIVER(name, sw, config) \
164 static struct video_driver name##_driver = { \
165 #name, &sw, config \
166 }; \
167 DATA_SET(videodriver_set, name##_driver);
168
169 /* global variables */
170 extern struct video_switch **vidsw;
171
172 /* functions for the video card driver */
173 int vid_register(video_adapter_t *adp);
174 int vid_unregister(video_adapter_t *adp);
175 video_switch_t *vid_get_switch(char *name);
176 void vid_init_struct(video_adapter_t *adp, char *name, int type,
177 int unit);
178
179 /* functions for the video card client */
180 int vid_allocate(char *driver, int unit, void *id);
181 int vid_release(video_adapter_t *adp, void *id);
182 int vid_find_adapter(char *driver, int unit);
183 video_adapter_t *vid_get_adapter(int index);
184
185 /* a backdoor for the console driver to tickle the video driver XXX */
186 int vid_configure(int flags);
187 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */
188
189 #ifdef FB_INSTALL_CDEV
190
191 /* virtual frame buffer driver functions */
192 int fb_attach(dev_t dev, video_adapter_t *adp,
193 struct cdevsw *cdevsw);
194 int fb_detach(dev_t dev, video_adapter_t *adp,
195 struct cdevsw *cdevsw);
196
197 /* generic frame buffer cdev driver functions */
198
199 typedef struct genfb_softc {
200 int gfb_flags; /* flag/status bits */
201 #define FB_OPEN (1 << 0)
202 } genfb_softc_t;
203
204 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
205 int flag, int mode, struct thread *td);
206 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
207 int flag, int mode, struct thread *td);
208 int genfbread(genfb_softc_t *sc, video_adapter_t *adp,
209 struct uio *uio, int flag);
210 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
211 struct uio *uio, int flag);
212 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
213 u_long cmd, caddr_t arg, int flag, struct thread *td);
214 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
215 vm_offset_t offset, int prot);
216
217 #endif /* FB_INSTALL_CDEV */
218
219 /* generic low-level driver functions */
220
221 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
222 void fb_dump_mode_info(char *driver, video_adapter_t *adp,
223 video_info_t *info, int level);
224 int fb_type(int adp_type);
225 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
226
227 #endif /* _KERNEL */
228
229 #endif /* !_DEV_FB_FBREG_H_ */
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