2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
29 #ifndef _DEV_FB_FBREG_H_
30 #define _DEV_FB_FBREG_H_
34 #define V_MAX_ADAPTERS 8 /* XXX */
37 #if defined(__amd64__) || defined(__i386__)
40 copyw(uint16_t *src, uint16_t *dst, size_t size)
46 #define bcopy_io(s, d, c) copyw((void*)(s), (void*)(d), (c))
47 #define bcopy_toio(s, d, c) copyw((void*)(s), (void*)(d), (c))
48 #define bcopy_fromio(s, d, c) copyw((void*)(s), (void*)(d), (c))
49 #define bzero_io(d, c) bzero((void *)(d), (c))
50 #define fill_io(p, d, c) fill((p), (void *)(d), (c))
51 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
52 #elif defined(__ia64__) || defined(__sparc64__)
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)
74 fillw(int val, uint16_t *buf, size_t size)
79 #elif defined(__powerpc__)
81 #define bcopy_io(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
82 #define bcopy_toio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
83 #define bcopy_fromio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
84 #define bzero_io(d, c) ofwfb_bzero((void *)(d), (c))
85 #define fillw(p, d, c) ofwfb_fillw((p), (void *)(d), (c))
86 #define fillw_io(p, d, c) ofwfb_fillw((p), (void *)(d), (c))
87 #define readw(a) ofwfb_readw((u_int16_t *)(a))
88 #define writew(a, v) ofwfb_writew((u_int16_t *)(a), (v))
89 void ofwfb_bcopy(const void *s, void *d, size_t c);
90 void ofwfb_bzero(void *d, size_t c);
91 void ofwfb_fillw(int pat, void *base, size_t cnt);
92 u_int16_t ofwfb_readw(u_int16_t *addr);
93 void ofwfb_writew(u_int16_t *addr, u_int16_t val);
95 #elif defined(__mips__) || defined(__arm__)
98 * Use amd64/i386-like settings under the assumption that MIPS-based display
99 * drivers will have to add a level of indirection between a syscons-managed
100 * frame buffer and the actual video hardware. We are forced to do this
101 * because syscons doesn't carry around required busspace handles and tags to
102 * use here. This is only really a problem for true VGA devices hooked up to
103 * MIPS, as others will be performing a translation anyway.
105 #define bcopy_io(s, d, c) memcpy((void *)(d), (void *)(s), (c))
106 #define bcopy_toio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
107 #define bcopy_fromio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
108 #define bzero_io(d, c) memset((void *)(d), 0, (c))
109 #define fill_io(p, d, c) memset((void *)(d), (p), (c))
111 fillw(int val, uint16_t *buf, size_t size)
116 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
119 #define readw(a) (*(uint16_t*)(a))
120 #define writew(a, v) (*(uint16_t*)(a) = (v))
123 #else /* !__i386__ && !__amd64__ && !__ia64__ && !__sparc64__ && !__powerpc__ */
124 #define bcopy_io(s, d, c) memcpy_io((d), (s), (c))
125 #define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c))
126 #define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c))
127 #define bzero_io(d, c) memset_io((d), 0, (c))
128 #define fill_io(p, d, c) memset_io((d), (p), (c))
129 #define fillw(p, d, c) memsetw((d), (p), (c))
130 #define fillw_io(p, d, c) memsetw_io((d), (p), (c))
131 #endif /* !__i386__ */
133 /* video function table */
134 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
135 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
136 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
137 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
138 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
139 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width,
140 u_char *data, int c, int count);
141 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width,
142 u_char *data, int c, int count);
143 typedef int vi_show_font_t(video_adapter_t *adp, int page);
144 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
145 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
146 typedef int vi_set_border_t(video_adapter_t *adp, int border);
147 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
148 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
149 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
150 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
151 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
152 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
153 int height, int celsize, int blink);
154 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
155 /* defined in sys/fbio.h
156 #define V_DISPLAY_ON 0
157 #define V_DISPLAY_BLANK 1
158 #define V_DISPLAY_STAND_BY 2
159 #define V_DISPLAY_SUSPEND 3
161 typedef int vi_mmap_t(video_adapter_t *adp, vm_ooffset_t offset,
162 vm_paddr_t *paddr, int prot, vm_memattr_t *memattr);
163 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
164 typedef int vi_clear_t(video_adapter_t *adp);
165 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
167 typedef int vi_bitblt_t(video_adapter_t *adp, ...);
168 typedef int vi_diag_t(video_adapter_t *adp, int level);
169 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
170 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
171 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
173 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
174 u_int32_t a, int size, int bpp, int bit_ltor,
176 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
178 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
180 typedef int vi_putm_t(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
181 u_int32_t pixel_mask, int size, int width);
183 typedef struct video_switch {
186 vi_get_info_t *get_info;
187 vi_query_mode_t *query_mode;
188 vi_set_mode_t *set_mode;
189 vi_save_font_t *save_font;
190 vi_load_font_t *load_font;
191 vi_show_font_t *show_font;
192 vi_save_palette_t *save_palette;
193 vi_load_palette_t *load_palette;
194 vi_set_border_t *set_border;
195 vi_save_state_t *save_state;
196 vi_load_state_t *load_state;
197 vi_set_win_org_t *set_win_org;
198 vi_read_hw_cursor_t *read_hw_cursor;
199 vi_set_hw_cursor_t *set_hw_cursor;
200 vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
201 vi_blank_display_t *blank_display;
205 vi_fill_rect_t *fill_rect;
207 int (*reserved1)(void);
208 int (*reserved2)(void);
210 vi_save_cursor_palette_t *save_cursor_palette;
211 vi_load_cursor_palette_t *load_cursor_palette;
219 #define vidd_probe(unit, adpp, arg, flags) \
220 (*vidsw[(adp)->va_index]->probe)((unit), (adpp), (arg), (flags))
221 #define vidd_init(unit, adp, flags) \
222 (*vidsw[(adp)->va_index]->init)((unit), (adp), (flags))
223 #define vidd_get_info(adp, mode, info) \
224 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (info))
225 #define vidd_query_mode(adp, mode) \
226 (*vidsw[(adp)->va_index]->query_mode)((adp), (mode))
227 #define vidd_set_mode(adp, mode) \
228 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
229 #define vidd_save_font(adp, page, size, width, data, c, count) \
230 (*vidsw[(adp)->va_index]->save_font)((adp), (page), (size), \
231 (width), (data), (c), (count))
232 #define vidd_load_font(adp, page, size, width, data, c, count) \
233 (*vidsw[(adp)->va_index]->load_font)((adp), (page), (size), \
234 (width), (data), (c), (count))
235 #define vidd_show_font(adp, page) \
236 (*vidsw[(adp)->va_index]->show_font)((adp), (page))
237 #define vidd_save_palette(adp, pallete) \
238 (*vidsw[(adp)->va_index]->save_palette)((adp), (pallete))
239 #define vidd_load_palette(adp, pallete) \
240 (*vidsw[(adp)->va_index]->load_palette)((adp), (pallete))
241 #define vidd_set_border(adp, border) \
242 (*vidsw[(adp)->va_index]->set_border)((adp), (border))
243 #define vidd_save_state(adp, p, size) \
244 (*vidsw[(adp)->va_index]->save_state)((adp), (p), (size))
245 #define vidd_load_state(adp, p) \
246 (*vidsw[(adp)->va_index]->load_state)((adp), (p))
247 #define vidd_set_win_org(adp, offset) \
248 (*vidsw[(adp)->va_index]->set_win_org)((adp), (offset))
249 #define vidd_read_hw_cursor(adp, col, row) \
250 (*vidsw[(adp)->va_index]->read_hw_cursor)((adp), (col), (row))
251 #define vidd_set_hw_cursor(adp, col, row) \
252 (*vidsw[(adp)->va_index]->set_hw_cursor)((adp), (col), (row))
253 #define vidd_set_hw_cursor_shape(adp, base, height, celsize, blink) \
254 (*vidsw[(adp)->va_index]->set_hw_cursor_shape)((adp), (base), \
255 (height), (celsize), (blink))
256 #define vidd_blank_display(adp, mode) \
257 (*vidsw[(adp)->va_index]->blank_display)((adp), (mode))
258 #define vidd_mmap(adp, offset, paddr, prot, memattr) \
259 (*vidsw[(adp)->va_index]->mmap)((adp), (offset), (paddr), \
261 #define vidd_ioctl(adp, cmd, data) \
262 (*vidsw[(adp)->va_index]->ioctl)((adp), (cmd), (data))
263 #define vidd_clear(adp) \
264 (*vidsw[(adp)->va_index]->clear)((adp))
265 #define vidd_fill_rect(adp, val, x, y, cx, cy) \
266 (*vidsw[(adp)->va_index]->fill_rect)((adp), (val), (x), (y), \
268 #define vidd_bitblt(adp, ...) \
269 (*vidsw[(adp)->va_index]->bitblt)(adp, __VA_ARGS__)
270 #define vidd_diag(adp, level) \
271 (*vidsw[(adp)->va_index]->diag)((adp), (level))
272 #define vidd_save_cursor_palette(adp, palette) \
273 (*vidsw[(adp)->va_index]->save_cursor_palette)((adp), (palette))
274 #define vidd_load_cursor_palette(adp, palette) \
275 (*vidsw[(adp)->va_index]->load_cursor_palette)((adp), (palette))
276 #define vidd_copy(adp, src, dst, n) \
277 (*vidsw[(adp)->va_index]->copy)((adp), (src), (dst), (n))
278 #define vidd_putp(adp, offset, p, a, size, bpp, bit_ltor1, byte_ltor2) \
279 (*vidsw[(adp)->va_index]->putp)((adp), (offset), (p), (a), \
280 (size), (bpp), (bit_ltor1), (bit_ltor2))
281 #define vidd_putc(adp, offset, c, a) \
282 (*vidsw[(adp)->va_index]->putc)((adp), (offset), (c), (a))
283 #define vidd_puts(adp, offset, s, len) \
284 (*vidsw[(adp)->va_index]->puts)((adp), (offset), (s), (len))
285 #define vidd_putm(adp, x, y, pixel_image, pixel_mask, size, width) \
286 (*vidsw[(adp)->va_index]->putm)((adp), (x), (y), (pixel_image), \
287 (pixel_mask), (size), (width))
290 typedef struct video_driver {
292 video_switch_t *vidsw;
293 int (*configure)(int); /* backdoor for the console driver */
296 #define VIDEO_DRIVER(name, sw, config) \
297 static struct video_driver name##_driver = { \
300 DATA_SET(videodriver_set, name##_driver);
302 /* global variables */
303 extern struct video_switch **vidsw;
305 /* functions for the video card driver */
306 int vid_register(video_adapter_t *adp);
307 int vid_unregister(video_adapter_t *adp);
308 video_switch_t *vid_get_switch(char *name);
309 void vid_init_struct(video_adapter_t *adp, char *name, int type,
312 /* functions for the video card client */
313 int vid_allocate(char *driver, int unit, void *id);
314 int vid_release(video_adapter_t *adp, void *id);
315 int vid_find_adapter(char *driver, int unit);
316 video_adapter_t *vid_get_adapter(int index);
318 /* a backdoor for the console driver to tickle the video driver XXX */
319 int vid_configure(int flags);
320 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */
322 #ifdef FB_INSTALL_CDEV
324 /* virtual frame buffer driver functions */
325 int fb_attach(int unit, video_adapter_t *adp,
326 struct cdevsw *cdevsw);
327 int fb_detach(int unit, video_adapter_t *adp,
328 struct cdevsw *cdevsw);
330 /* generic frame buffer cdev driver functions */
332 typedef struct genfb_softc {
333 int gfb_flags; /* flag/status bits */
334 #define FB_OPEN (1 << 0)
337 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
338 int flag, int mode, struct thread *td);
339 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
340 int flag, int mode, struct thread *td);
341 int genfbread(genfb_softc_t *sc, video_adapter_t *adp,
342 struct uio *uio, int flag);
343 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
344 struct uio *uio, int flag);
345 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
346 u_long cmd, caddr_t arg, int flag, struct thread *td);
347 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
348 vm_ooffset_t offset, vm_offset_t *paddr,
349 int prot, vm_memattr_t *memattr);
351 #endif /* FB_INSTALL_CDEV */
353 /* generic low-level driver functions */
355 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
356 void fb_dump_mode_info(char *driver, video_adapter_t *adp,
357 video_info_t *info, int level);
358 int fb_type(int adp_type);
359 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
363 #endif /* !_DEV_FB_FBREG_H_ */