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(__sparc64__) 53 static __inline void 54 fillw(int val, uint16_t *buf, size_t size) 55 { 56 while (size--) 57 *buf++ = val; 58 } 59 #elif defined(__powerpc__) 60 61 #define bcopy_io(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c)) 62 #define bcopy_toio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c)) 63 #define bcopy_fromio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c)) 64 #define bzero_io(d, c) ofwfb_bzero((void *)(d), (c)) 65 #define fillw(p, d, c) ofwfb_fillw((p), (void *)(d), (c)) 66 #define fillw_io(p, d, c) ofwfb_fillw((p), (void *)(d), (c)) 67 #define readw(a) ofwfb_readw((u_int16_t *)(a)) 68 #define writew(a, v) ofwfb_writew((u_int16_t *)(a), (v)) 69 void ofwfb_bcopy(const void *s, void *d, size_t c); 70 void ofwfb_bzero(void *d, size_t c); 71 void ofwfb_fillw(int pat, void *base, size_t cnt); 72 u_int16_t ofwfb_readw(u_int16_t *addr); 73 void ofwfb_writew(u_int16_t *addr, u_int16_t val); 74 75 #elif defined(__mips__) || defined(__arm__) 76 77 /* 78 * Use amd64/i386-like settings under the assumption that MIPS-based display 79 * drivers will have to add a level of indirection between a syscons-managed 80 * frame buffer and the actual video hardware. We are forced to do this 81 * because syscons doesn't carry around required busspace handles and tags to 82 * use here. This is only really a problem for true VGA devices hooked up to 83 * MIPS, as others will be performing a translation anyway. 84 */ 85 #define bcopy_io(s, d, c) memcpy((void *)(d), (void *)(s), (c)) 86 #define bcopy_toio(s, d, c) memcpy((void *)(d), (void *)(s), (c)) 87 #define bcopy_fromio(s, d, c) memcpy((void *)(d), (void *)(s), (c)) 88 #define bzero_io(d, c) memset((void *)(d), 0, (c)) 89 #define fill_io(p, d, c) memset((void *)(d), (p), (c)) 90 static __inline void 91 fillw(int val, uint16_t *buf, size_t size) 92 { 93 while (size--) 94 *buf++ = val; 95 } 96 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c)) 97 98 #if defined(__arm__) 99 #define readw(a) (*(uint16_t*)(a)) 100 #define writew(a, v) (*(uint16_t*)(a) = (v)) 101 #endif 102 103 #else /* !__i386__ && !__amd64__ && !__sparc64__ && !__powerpc__ */ 104 #define bcopy_io(s, d, c) memcpy_io((d), (s), (c)) 105 #define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c)) 106 #define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c)) 107 #define bzero_io(d, c) memset_io((d), 0, (c)) 108 #define fill_io(p, d, c) memset_io((d), (p), (c)) 109 #define fillw(p, d, c) memsetw((d), (p), (c)) 110 #define fillw_io(p, d, c) memsetw_io((d), (p), (c)) 111 #endif /* !__i386__ */ 112 113 /* video function table */ 114 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags); 115 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags); 116 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info); 117 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info); 118 typedef int vi_set_mode_t(video_adapter_t *adp, int mode); 119 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width, 120 u_char *data, int c, int count); 121 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width, 122 u_char *data, int c, int count); 123 typedef int vi_show_font_t(video_adapter_t *adp, int page); 124 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette); 125 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette); 126 typedef int vi_set_border_t(video_adapter_t *adp, int border); 127 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size); 128 typedef int vi_load_state_t(video_adapter_t *adp, void *p); 129 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset); 130 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row); 131 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row); 132 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base, 133 int height, int celsize, int blink); 134 typedef int vi_blank_display_t(video_adapter_t *adp, int mode); 135 /* defined in sys/fbio.h 136 #define V_DISPLAY_ON 0 137 #define V_DISPLAY_BLANK 1 138 #define V_DISPLAY_STAND_BY 2 139 #define V_DISPLAY_SUSPEND 3 140 */ 141 typedef int vi_mmap_t(video_adapter_t *adp, vm_ooffset_t offset, 142 vm_paddr_t *paddr, int prot, vm_memattr_t *memattr); 143 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data); 144 typedef int vi_clear_t(video_adapter_t *adp); 145 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y, 146 int cx, int cy); 147 typedef int vi_bitblt_t(video_adapter_t *adp, ...); 148 typedef int vi_diag_t(video_adapter_t *adp, int level); 149 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette); 150 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette); 151 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, 152 int n); 153 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p, 154 u_int32_t a, int size, int bpp, int bit_ltor, 155 int byte_ltor); 156 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c, 157 u_int8_t a); 158 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, 159 int len); 160 typedef int vi_putm_t(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image, 161 u_int32_t pixel_mask, int size, int width); 162 163 typedef struct video_switch { 164 vi_probe_t *probe; 165 vi_init_t *init; 166 vi_get_info_t *get_info; 167 vi_query_mode_t *query_mode; 168 vi_set_mode_t *set_mode; 169 vi_save_font_t *save_font; 170 vi_load_font_t *load_font; 171 vi_show_font_t *show_font; 172 vi_save_palette_t *save_palette; 173 vi_load_palette_t *load_palette; 174 vi_set_border_t *set_border; 175 vi_save_state_t *save_state; 176 vi_load_state_t *load_state; 177 vi_set_win_org_t *set_win_org; 178 vi_read_hw_cursor_t *read_hw_cursor; 179 vi_set_hw_cursor_t *set_hw_cursor; 180 vi_set_hw_cursor_shape_t *set_hw_cursor_shape; 181 vi_blank_display_t *blank_display; 182 vi_mmap_t *mmap; 183 vi_ioctl_t *ioctl; 184 vi_clear_t *clear; 185 vi_fill_rect_t *fill_rect; 186 vi_bitblt_t *bitblt; 187 int (*reserved1)(void); 188 int (*reserved2)(void); 189 vi_diag_t *diag; 190 vi_save_cursor_palette_t *save_cursor_palette; 191 vi_load_cursor_palette_t *load_cursor_palette; 192 vi_copy_t *copy; 193 vi_putp_t *putp; 194 vi_putc_t *putc; 195 vi_puts_t *puts; 196 vi_putm_t *putm; 197 } video_switch_t; 198 199 #define vidd_probe(unit, adpp, arg, flags) \ 200 (*vidsw[(adp)->va_index]->probe)((unit), (adpp), (arg), (flags)) 201 #define vidd_init(unit, adp, flags) \ 202 (*vidsw[(adp)->va_index]->init)((unit), (adp), (flags)) 203 #define vidd_get_info(adp, mode, info) \ 204 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (info)) 205 #define vidd_query_mode(adp, mode) \ 206 (*vidsw[(adp)->va_index]->query_mode)((adp), (mode)) 207 #define vidd_set_mode(adp, mode) \ 208 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode)) 209 #define vidd_save_font(adp, page, size, width, data, c, count) \ 210 (*vidsw[(adp)->va_index]->save_font)((adp), (page), (size), \ 211 (width), (data), (c), (count)) 212 #define vidd_load_font(adp, page, size, width, data, c, count) \ 213 (*vidsw[(adp)->va_index]->load_font)((adp), (page), (size), \ 214 (width), (data), (c), (count)) 215 #define vidd_show_font(adp, page) \ 216 (*vidsw[(adp)->va_index]->show_font)((adp), (page)) 217 #define vidd_save_palette(adp, pallete) \ 218 (*vidsw[(adp)->va_index]->save_palette)((adp), (pallete)) 219 #define vidd_load_palette(adp, pallete) \ 220 (*vidsw[(adp)->va_index]->load_palette)((adp), (pallete)) 221 #define vidd_set_border(adp, border) \ 222 (*vidsw[(adp)->va_index]->set_border)((adp), (border)) 223 #define vidd_save_state(adp, p, size) \ 224 (*vidsw[(adp)->va_index]->save_state)((adp), (p), (size)) 225 #define vidd_load_state(adp, p) \ 226 (*vidsw[(adp)->va_index]->load_state)((adp), (p)) 227 #define vidd_set_win_org(adp, offset) \ 228 (*vidsw[(adp)->va_index]->set_win_org)((adp), (offset)) 229 #define vidd_read_hw_cursor(adp, col, row) \ 230 (*vidsw[(adp)->va_index]->read_hw_cursor)((adp), (col), (row)) 231 #define vidd_set_hw_cursor(adp, col, row) \ 232 (*vidsw[(adp)->va_index]->set_hw_cursor)((adp), (col), (row)) 233 #define vidd_set_hw_cursor_shape(adp, base, height, celsize, blink) \ 234 (*vidsw[(adp)->va_index]->set_hw_cursor_shape)((adp), (base), \ 235 (height), (celsize), (blink)) 236 #define vidd_blank_display(adp, mode) \ 237 (*vidsw[(adp)->va_index]->blank_display)((adp), (mode)) 238 #define vidd_mmap(adp, offset, paddr, prot, memattr) \ 239 (*vidsw[(adp)->va_index]->mmap)((adp), (offset), (paddr), \ 240 (prot), (memattr)) 241 #define vidd_ioctl(adp, cmd, data) \ 242 (*vidsw[(adp)->va_index]->ioctl)((adp), (cmd), (data)) 243 #define vidd_clear(adp) \ 244 (*vidsw[(adp)->va_index]->clear)((adp)) 245 #define vidd_fill_rect(adp, val, x, y, cx, cy) \ 246 (*vidsw[(adp)->va_index]->fill_rect)((adp), (val), (x), (y), \ 247 (cx), (cy)) 248 #define vidd_bitblt(adp, ...) \ 249 (*vidsw[(adp)->va_index]->bitblt)(adp, __VA_ARGS__) 250 #define vidd_diag(adp, level) \ 251 (*vidsw[(adp)->va_index]->diag)((adp), (level)) 252 #define vidd_save_cursor_palette(adp, palette) \ 253 (*vidsw[(adp)->va_index]->save_cursor_palette)((adp), (palette)) 254 #define vidd_load_cursor_palette(adp, palette) \ 255 (*vidsw[(adp)->va_index]->load_cursor_palette)((adp), (palette)) 256 #define vidd_copy(adp, src, dst, n) \ 257 (*vidsw[(adp)->va_index]->copy)((adp), (src), (dst), (n)) 258 #define vidd_putp(adp, offset, p, a, size, bpp, bit_ltor1, byte_ltor2) \ 259 (*vidsw[(adp)->va_index]->putp)((adp), (offset), (p), (a), \ 260 (size), (bpp), (bit_ltor1), (bit_ltor2)) 261 #define vidd_putc(adp, offset, c, a) \ 262 (*vidsw[(adp)->va_index]->putc)((adp), (offset), (c), (a)) 263 #define vidd_puts(adp, offset, s, len) \ 264 (*vidsw[(adp)->va_index]->puts)((adp), (offset), (s), (len)) 265 #define vidd_putm(adp, x, y, pixel_image, pixel_mask, size, width) \ 266 (*vidsw[(adp)->va_index]->putm)((adp), (x), (y), (pixel_image), \ 267 (pixel_mask), (size), (width)) 268 269 /* video driver */ 270 typedef struct video_driver { 271 char *name; 272 video_switch_t *vidsw; 273 int (*configure)(int); /* backdoor for the console driver */ 274 } video_driver_t; 275 276 #define VIDEO_DRIVER(name, sw, config) \ 277 static struct video_driver name##_driver = { \ 278 #name, &sw, config \ 279 }; \ 280 DATA_SET(videodriver_set, name##_driver); 281 282 /* global variables */ 283 extern struct video_switch **vidsw; 284 285 /* functions for the video card driver */ 286 int vid_register(video_adapter_t *adp); 287 int vid_unregister(video_adapter_t *adp); 288 video_switch_t *vid_get_switch(char *name); 289 void vid_init_struct(video_adapter_t *adp, char *name, int type, 290 int unit); 291 292 /* functions for the video card client */ 293 int vid_allocate(char *driver, int unit, void *id); 294 int vid_release(video_adapter_t *adp, void *id); 295 int vid_find_adapter(char *driver, int unit); 296 video_adapter_t *vid_get_adapter(int index); 297 298 /* a backdoor for the console driver to tickle the video driver XXX */ 299 int vid_configure(int flags); 300 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */ 301 302 #ifdef FB_INSTALL_CDEV 303 304 /* virtual frame buffer driver functions */ 305 int fb_attach(int unit, video_adapter_t *adp, 306 struct cdevsw *cdevsw); 307 int fb_detach(int unit, video_adapter_t *adp, 308 struct cdevsw *cdevsw); 309 310 /* generic frame buffer cdev driver functions */ 311 312 typedef struct genfb_softc { 313 int gfb_flags; /* flag/status bits */ 314 #define FB_OPEN (1 << 0) 315 } genfb_softc_t; 316 317 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, 318 int flag, int mode, struct thread *td); 319 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, 320 int flag, int mode, struct thread *td); 321 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, 322 struct uio *uio, int flag); 323 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, 324 struct uio *uio, int flag); 325 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, 326 u_long cmd, caddr_t arg, int flag, struct thread *td); 327 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, 328 vm_ooffset_t offset, vm_offset_t *paddr, 329 int prot, vm_memattr_t *memattr); 330 331 #endif /* FB_INSTALL_CDEV */ 332 333 /* generic low-level driver functions */ 334 335 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level); 336 void fb_dump_mode_info(char *driver, video_adapter_t *adp, 337 video_info_t *info, int level); 338 int fb_type(int adp_type); 339 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg); 340 341 #endif /* _KERNEL */ 342 343 #endif /* !_DEV_FB_FBREG_H_ */ 344