xref: /dragonfly/sys/dev/video/fb/fbreg.h (revision dcd37f7d)
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: src/sys/dev/fb/fbreg.h,v 1.6 1999/12/29 04:35:36 peter Exp $
27  * $DragonFly: src/sys/dev/video/fb/fbreg.h,v 1.10 2007/08/15 19:31:11 swildner Exp $
28  */
29 
30 #ifndef _DEV_FB_FBREG_H_
31 #define _DEV_FB_FBREG_H_
32 
33 #ifdef _KERNEL
34 
35 #define V_MAX_ADAPTERS		8		/* XXX */
36 
37 /* some macros */
38 #if defined(__i386__) || defined(__x86_64__)
39 #define bcopy_io(s, d, c)	generic_bcopy((void *)(s), (void *)(d), (c))
40 #define bcopy_toio(s, d, c)	generic_bcopy((void *)(s), (void *)(d), (c))
41 #define bcopy_fromio(s, d, c)	generic_bcopy((void *)(s), (void *)(d), (c))
42 #define bzero_io(d, c)		bzero((void *)(d), (c))
43 #define fill_io(p, d, c)	fill((p), (void *)(d), (c))
44 #define fillw_io(p, d, c)	fillw((p), (void *)(d), (c))
45 void generic_bcopy(const void *s, 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, const 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 #define V_DISPLAY_ON		0
79 #define V_DISPLAY_STAND_BY	(1<<0)
80 #define V_DISPLAY_SUSPEND	(1<<1)
81 #define V_DISPLAY_OFF		(1<<2)
82 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot);
83 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
84 typedef int vi_clear_t(video_adapter_t *adp);
85 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
86 			   int cx, int cy);
87 typedef int vi_bitblt_t(video_adapter_t *adp,...);
88 typedef int vi_diag_t(video_adapter_t *adp, int level);
89 
90 typedef struct video_switch {
91     vi_probe_t		*probe;
92     vi_init_t		*init;
93     vi_get_info_t	*get_info;
94     vi_query_mode_t	*query_mode;
95     vi_set_mode_t	*set_mode;
96     vi_save_font_t	*save_font;
97     vi_load_font_t	*load_font;
98     vi_show_font_t	*show_font;
99     vi_save_palette_t	*save_palette;
100     vi_load_palette_t	*load_palette;
101     vi_set_border_t	*set_border;
102     vi_save_state_t	*save_state;
103     vi_load_state_t	*load_state;
104     vi_set_win_org_t	*set_win_org;
105     vi_read_hw_cursor_t	*read_hw_cursor;
106     vi_set_hw_cursor_t	*set_hw_cursor;
107     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
108     vi_blank_display_t	*blank_display;
109     vi_mmap_t		*mmap;
110     vi_ioctl_t		*ioctl;
111     vi_clear_t		*clear;
112     vi_fill_rect_t	*fill_rect;
113     vi_bitblt_t		*bitblt;
114     int			(*reserved1)(void);
115     int			(*reserved2)(void);
116     vi_diag_t		*diag;
117 } video_switch_t;
118 
119 #define save_palette(adp, pal)				\
120 	(*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
121 #define load_palette(adp, pal)				\
122 	(*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
123 #define get_mode_info(adp, mode, buf)			\
124 	(*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
125 #define set_video_mode(adp, mode)			\
126 	(*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
127 #if 0 /* XXX conflicts with syscons' set_border() */
128 #define set_border(adp, border)				\
129 	(*vidsw[(adp)->va_index]->set_border)((adp), (border))
130 #endif
131 #define set_origin(adp, o)				\
132 	(*vidsw[(adp)->va_index]->set_win_org)(adp, o)
133 
134 /* XXX - add more macros */
135 
136 /* video driver */
137 typedef struct video_driver {
138     char		*name;
139     video_switch_t	*vidsw;
140     int			(*configure)(int); /* backdoor for the console driver */
141 } video_driver_t;
142 
143 #define VIDEO_DRIVER(name, sw, config)			\
144 	static struct video_driver name##_driver = {	\
145 		#name, &sw, config			\
146 	};						\
147 	DATA_SET(videodriver_set, name##_driver);
148 
149 /* global variables */
150 extern struct video_switch **vidsw;
151 
152 /* functions for the video card driver */
153 int		vid_register(video_adapter_t *adp);
154 int		vid_unregister(video_adapter_t *adp);
155 video_switch_t	*vid_get_switch(char *name);
156 void		vid_init_struct(video_adapter_t *adp, char *name, int type,
157 				int unit);
158 
159 /* functions for the video card client */
160 int		vid_allocate(char *driver, int unit, void *id);
161 int		vid_release(video_adapter_t *adp, void *id);
162 int		vid_find_adapter(char *driver, int unit);
163 video_adapter_t	*vid_get_adapter(int index);
164 
165 /* a backdoor for the console driver to tickle the video driver XXX */
166 int		vid_configure(int flags);
167 #define VIO_PROBE_ONLY	(1 << 0)	/* probe only, don't initialize */
168 
169 #ifdef FB_INSTALL_CDEV
170 
171 /* virtual frame buffer driver functions */
172 int		fb_attach(cdev_t dev, video_adapter_t *adp);
173 int		fb_detach(cdev_t dev, video_adapter_t *adp);
174 
175 /* generic frame buffer cdev driver functions */
176 
177 typedef struct genfb_softc {
178 	int		gfb_flags;	/* flag/status bits */
179 #define FB_OPEN		(1 << 0)
180 } genfb_softc_t;
181 
182 int		genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
183 			  int flag, int mode, struct ucred *cred);
184 int		genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
185 			   int flag, int mode);
186 int		genfbread(genfb_softc_t *sc, video_adapter_t *adp,
187 			  struct uio *uio, int flag);
188 int		genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
189 			   struct uio *uio, int flag);
190 int		genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
191 			   u_long cmd, caddr_t arg, int flag,
192 			   struct ucred *cred);
193 int		genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
194 			  vm_offset_t offset, int prot);
195 
196 #endif /* FB_INSTALL_CDEV */
197 
198 /* generic low-level driver functions */
199 
200 void		fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
201 void		fb_dump_mode_info(char *driver, video_adapter_t *adp,
202 				  video_info_t *info, int level);
203 int		fb_type(int adp_type);
204 int		fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
205 
206 #endif /* _KERNEL */
207 
208 #endif /* !_DEV_FB_FBREG_H_ */
209