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 #if defined(__amd64__) || defined(__i386__) 38 39 static __inline void 40 copyw(uint16_t *src, uint16_t *dst, size_t size) 41 { 42 size >>= 1; 43 while (size--) 44 *dst++ = *src++; 45 } 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__) 53 #if defined(__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 #endif /* __ia64__ */ 73 static __inline void 74 fillw(int val, uint16_t *buf, size_t size) 75 { 76 while (size--) 77 *buf++ = val; 78 } 79 #elif defined(__powerpc__) 80 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); 94 95 #elif defined(__mips__) || defined(__arm__) 96 97 /* 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. 104 */ 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)) 110 static __inline void 111 fillw(int val, uint16_t *buf, size_t size) 112 { 113 while (size--) 114 *buf++ = val; 115 } 116 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c)) 117 118 #if defined(__arm__) 119 #define readw(a) (*(uint16_t*)(a)) 120 #define writew(a, v) (*(uint16_t*)(a) = (v)) 121 #endif 122 123 #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__ */ 132 133 /* 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 3 160 */ 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, 166 int cx, int cy); 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, 172 int n); 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, 175 int byte_ltor); 176 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c, 177 u_int8_t a); 178 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, 179 int len); 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); 182 183 typedef struct video_switch { 184 vi_probe_t *probe; 185 vi_init_t *init; 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; 202 vi_mmap_t *mmap; 203 vi_ioctl_t *ioctl; 204 vi_clear_t *clear; 205 vi_fill_rect_t *fill_rect; 206 vi_bitblt_t *bitblt; 207 int (*reserved1)(void); 208 int (*reserved2)(void); 209 vi_diag_t *diag; 210 vi_save_cursor_palette_t *save_cursor_palette; 211 vi_load_cursor_palette_t *load_cursor_palette; 212 vi_copy_t *copy; 213 vi_putp_t *putp; 214 vi_putc_t *putc; 215 vi_puts_t *puts; 216 vi_putm_t *putm; 217 } video_switch_t; 218 219 #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), \ 260 (prot), (memattr)) 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), \ 267 (cx), (cy)) 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)) 288 289 /* video driver */ 290 typedef struct video_driver { 291 char *name; 292 video_switch_t *vidsw; 293 int (*configure)(int); /* backdoor for the console driver */ 294 } video_driver_t; 295 296 #define VIDEO_DRIVER(name, sw, config) \ 297 static struct video_driver name##_driver = { \ 298 #name, &sw, config \ 299 }; \ 300 DATA_SET(videodriver_set, name##_driver); 301 302 /* global variables */ 303 extern struct video_switch **vidsw; 304 305 /* 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, 310 int unit); 311 312 /* 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); 317 318 /* 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 */ 321 322 #ifdef FB_INSTALL_CDEV 323 324 /* 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); 329 330 /* generic frame buffer cdev driver functions */ 331 332 typedef struct genfb_softc { 333 int gfb_flags; /* flag/status bits */ 334 #define FB_OPEN (1 << 0) 335 } genfb_softc_t; 336 337 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); 350 351 #endif /* FB_INSTALL_CDEV */ 352 353 /* generic low-level driver functions */ 354 355 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); 360 361 #endif /* _KERNEL */ 362 363 #endif /* !_DEV_FB_FBREG_H_ */ 364