xref: /freebsd/sys/dev/fb/fbreg.h (revision 3193579b66fd7067f898dbc54bdea81a0e6f9bd0)
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_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 #elif __amd64__
47 #define bcopy_io(s, d, c)	bcopy((void *)(s), (void *)(d), (c))
48 #define bcopy_toio(s, d, c)	bcopy((void *)(s), (void *)(d), (c))
49 #define bcopy_fromio(s, d, c)	bcopy((void *)(s), (void *)(d), (c))
50 #define bzero_io(d, c)		bzero((void *)(d), (c))
51 #define fill_io(p, d, c)	fill((p), (void *)(d), (c))
52 #define fillw_io(p, d, c)	fillw((p), (void *)(d), (c))
53 #elif __ia64__
54 #include <machine/bus.h>
55 #define	bcopy_fromio(s, d, c)	\
56 	bus_space_read_region_1(IA64_BUS_SPACE_MEM, s, 0, (void*)(d), c)
57 #define	bcopy_io(s, d, c)	\
58 	bus_space_copy_region_1(IA64_BUS_SPACE_MEM, s, 0, d, 0, c)
59 #define	bcopy_toio(s, d, c)	\
60 	bus_space_write_region_1(IA64_BUS_SPACE_MEM, d, 0, (void*)(s), c)
61 #define	bzero_io(d, c)		\
62 	bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, 0, c)
63 #define	fill_io(p, d, c)	\
64 	bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
65 #define	fillw_io(p, d, c)	\
66 	bus_space_set_region_2(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
67 #define	readb(a)		bus_space_read_1(IA64_BUS_SPACE_MEM, a, 0)
68 #define	readw(a)		bus_space_read_2(IA64_BUS_SPACE_MEM, a, 0)
69 #define	writeb(a, v)		bus_space_write_1(IA64_BUS_SPACE_MEM, a, 0, v)
70 #define	writew(a, v)		bus_space_write_2(IA64_BUS_SPACE_MEM, a, 0, v)
71 #define	writel(a, v)		bus_space_write_4(IA64_BUS_SPACE_MEM, a, 0, v)
72 static __inline void
73 fillw(int val, uint16_t *buf, size_t size)
74 {
75 	while (size--)
76 		*buf++ = val;
77 }
78 #else /* !__i386__ && !__ia64__ && !__amd64__ */
79 #define bcopy_io(s, d, c)	memcpy_io((d), (s), (c))
80 #define bcopy_toio(s, d, c)	memcpy_toio((d), (void *)(s), (c))
81 #define bcopy_fromio(s, d, c)	memcpy_fromio((void *)(d), (s), (c))
82 #define bzero_io(d, c)		memset_io((d), 0, (c))
83 #define fill_io(p, d, c)	memset_io((d), (p), (c))
84 #define fillw(p, d, c)		memsetw((d), (p), (c))
85 #define fillw_io(p, d, c)	memsetw_io((d), (p), (c))
86 #endif /* !__i386__ */
87 
88 /* video function table */
89 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
90 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
91 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
92 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
93 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
94 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
95 			   u_char *data, int c, int count);
96 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
97 			   u_char *data, int c, int count);
98 typedef int vi_show_font_t(video_adapter_t *adp, int page);
99 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
100 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
101 typedef int vi_set_border_t(video_adapter_t *adp, int border);
102 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
103 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
104 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
105 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
106 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
107 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
108 				     int height, int celsize, int blink);
109 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
110 /* defined in sys/fbio.h
111 #define V_DISPLAY_ON		0
112 #define V_DISPLAY_BLANK		1
113 #define V_DISPLAY_STAND_BY	2
114 #define V_DISPLAY_SUSPEND	3
115 */
116 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset,
117 		      vm_paddr_t *paddr, int prot);
118 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
119 typedef int vi_clear_t(video_adapter_t *adp);
120 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
121 			   int cx, int cy);
122 typedef int vi_bitblt_t(video_adapter_t *adp, ...);
123 typedef int vi_diag_t(video_adapter_t *adp, int level);
124 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
125 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
126 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
127 		      int n);
128 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
129 		       u_int32_t a, int size, int bpp, int bit_ltor,
130 		       int byte_ltor);
131 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
132 		      u_int8_t a);
133 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
134 		       int len);
135 typedef int vi_putm_t(video_adapter_t *adp, int x, int y,
136 		      u_int8_t *pixel_image, u_int32_t pixel_mask, int size);
137 
138 typedef struct video_switch {
139     vi_probe_t		*probe;
140     vi_init_t		*init;
141     vi_get_info_t	*get_info;
142     vi_query_mode_t	*query_mode;
143     vi_set_mode_t	*set_mode;
144     vi_save_font_t	*save_font;
145     vi_load_font_t	*load_font;
146     vi_show_font_t	*show_font;
147     vi_save_palette_t	*save_palette;
148     vi_load_palette_t	*load_palette;
149     vi_set_border_t	*set_border;
150     vi_save_state_t	*save_state;
151     vi_load_state_t	*load_state;
152     vi_set_win_org_t	*set_win_org;
153     vi_read_hw_cursor_t	*read_hw_cursor;
154     vi_set_hw_cursor_t	*set_hw_cursor;
155     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
156     vi_blank_display_t	*blank_display;
157     vi_mmap_t		*mmap;
158     vi_ioctl_t		*ioctl;
159     vi_clear_t		*clear;
160     vi_fill_rect_t	*fill_rect;
161     vi_bitblt_t		*bitblt;
162     int			(*reserved1)(void);
163     int			(*reserved2)(void);
164     vi_diag_t		*diag;
165     vi_save_cursor_palette_t	*save_cursor_palette;
166     vi_load_cursor_palette_t	*load_cursor_palette;
167     vi_copy_t		*copy;
168     vi_putp_t		*putp;
169     vi_putc_t		*putc;
170     vi_puts_t		*puts;
171     vi_putm_t		*putm;
172 } video_switch_t;
173 
174 #define save_palette(adp, pal)				\
175 	(*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
176 #define load_palette(adp, pal)				\
177 	(*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
178 #define get_mode_info(adp, mode, buf)			\
179 	(*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
180 #define set_video_mode(adp, mode)			\
181 	(*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
182 #define set_border(adp, border)				\
183 	(*vidsw[(adp)->va_index]->set_border)((adp), (border))
184 #define set_origin(adp, o)				\
185 	(*vidsw[(adp)->va_index]->set_win_org)(adp, o)
186 
187 /* XXX - add more macros */
188 
189 /* video driver */
190 typedef struct video_driver {
191     char		*name;
192     video_switch_t	*vidsw;
193     int			(*configure)(int); /* backdoor for the console driver */
194 } video_driver_t;
195 
196 #define VIDEO_DRIVER(name, sw, config)			\
197 	static struct video_driver name##_driver = {	\
198 		#name, &sw, config			\
199 	};						\
200 	DATA_SET(videodriver_set, name##_driver);
201 
202 /* global variables */
203 extern struct video_switch **vidsw;
204 
205 /* functions for the video card driver */
206 int		vid_register(video_adapter_t *adp);
207 int		vid_unregister(video_adapter_t *adp);
208 video_switch_t	*vid_get_switch(char *name);
209 void		vid_init_struct(video_adapter_t *adp, char *name, int type,
210 				int unit);
211 
212 /* functions for the video card client */
213 int		vid_allocate(char *driver, int unit, void *id);
214 int		vid_release(video_adapter_t *adp, void *id);
215 int		vid_find_adapter(char *driver, int unit);
216 video_adapter_t	*vid_get_adapter(int index);
217 
218 /* a backdoor for the console driver to tickle the video driver XXX */
219 int		vid_configure(int flags);
220 #define VIO_PROBE_ONLY	(1 << 0)	/* probe only, don't initialize */
221 
222 #ifdef FB_INSTALL_CDEV
223 
224 /* virtual frame buffer driver functions */
225 int		fb_attach(int unit, video_adapter_t *adp,
226 			  struct cdevsw *cdevsw);
227 int		fb_detach(int unit, video_adapter_t *adp,
228 			  struct cdevsw *cdevsw);
229 
230 /* generic frame buffer cdev driver functions */
231 
232 typedef struct genfb_softc {
233 	int		gfb_flags;	/* flag/status bits */
234 #define FB_OPEN		(1 << 0)
235 } genfb_softc_t;
236 
237 int		genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
238 			  int flag, int mode, struct thread *td);
239 int		genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
240 			   int flag, int mode, struct thread *td);
241 int		genfbread(genfb_softc_t *sc, video_adapter_t *adp,
242 			  struct uio *uio, int flag);
243 int		genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
244 			   struct uio *uio, int flag);
245 int		genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
246 			   u_long cmd, caddr_t arg, int flag, struct thread *td);
247 int		genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
248 			  vm_offset_t offset, vm_offset_t *paddr, int prot);
249 
250 #endif /* FB_INSTALL_CDEV */
251 
252 /* generic low-level driver functions */
253 
254 void		fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
255 void		fb_dump_mode_info(char *driver, video_adapter_t *adp,
256 				  video_info_t *info, int level);
257 int		fb_type(int adp_type);
258 int		fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
259 
260 #endif /* _KERNEL */
261 
262 #endif /* !_DEV_FB_FBREG_H_ */
263