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: releng/10.3/sys/dev/fb/fbreg.h 239696 2012-08-25 23:59:31Z gonzo $ 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 39static __inline void 40copyw(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__ */ 73static __inline void 74fillw(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)) 89void ofwfb_bcopy(const void *s, void *d, size_t c); 90void ofwfb_bzero(void *d, size_t c); 91void ofwfb_fillw(int pat, void *base, size_t cnt); 92u_int16_t ofwfb_readw(u_int16_t *addr); 93void 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)) 110static __inline void 111fillw(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 */ 134typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags); 135typedef int vi_init_t(int unit, video_adapter_t *adp, int flags); 136typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info); 137typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info); 138typedef int vi_set_mode_t(video_adapter_t *adp, int mode); 139typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width, 140 u_char *data, int c, int count); 141typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width, 142 u_char *data, int c, int count); 143typedef int vi_show_font_t(video_adapter_t *adp, int page); 144typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette); 145typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette); 146typedef int vi_set_border_t(video_adapter_t *adp, int border); 147typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size); 148typedef int vi_load_state_t(video_adapter_t *adp, void *p); 149typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset); 150typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row); 151typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row); 152typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base, 153 int height, int celsize, int blink); 154typedef 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*/ 161typedef int vi_mmap_t(video_adapter_t *adp, vm_ooffset_t offset, 162 vm_paddr_t *paddr, int prot, vm_memattr_t *memattr); 163typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data); 164typedef int vi_clear_t(video_adapter_t *adp); 165typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y, 166 int cx, int cy); 167typedef int vi_bitblt_t(video_adapter_t *adp, ...); 168typedef int vi_diag_t(video_adapter_t *adp, int level); 169typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette); 170typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette); 171typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, 172 int n); 173typedef 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); 176typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c, 177 u_int8_t a); 178typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, 179 int len); 180typedef 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 183typedef 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 */ 290typedef 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 */ 303extern struct video_switch **vidsw; 304 305/* functions for the video card driver */ 306int vid_register(video_adapter_t *adp); 307int vid_unregister(video_adapter_t *adp); 308video_switch_t *vid_get_switch(char *name); 309void vid_init_struct(video_adapter_t *adp, char *name, int type, 310 int unit); 311 312/* functions for the video card client */ 313int vid_allocate(char *driver, int unit, void *id); 314int vid_release(video_adapter_t *adp, void *id); 315int vid_find_adapter(char *driver, int unit); 316video_adapter_t *vid_get_adapter(int index); 317 318/* a backdoor for the console driver to tickle the video driver XXX */ 319int 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 */ 325int fb_attach(int unit, video_adapter_t *adp, 326 struct cdevsw *cdevsw); 327int fb_detach(int unit, video_adapter_t *adp, 328 struct cdevsw *cdevsw); 329 330/* generic frame buffer cdev driver functions */ 331 332typedef struct genfb_softc { 333 int gfb_flags; /* flag/status bits */ 334#define FB_OPEN (1 << 0) 335} genfb_softc_t; 336 337int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, 338 int flag, int mode, struct thread *td); 339int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, 340 int flag, int mode, struct thread *td); 341int genfbread(genfb_softc_t *sc, video_adapter_t *adp, 342 struct uio *uio, int flag); 343int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, 344 struct uio *uio, int flag); 345int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, 346 u_long cmd, caddr_t arg, int flag, struct thread *td); 347int 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 355void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level); 356void fb_dump_mode_info(char *driver, video_adapter_t *adp, 357 video_info_t *info, int level); 358int fb_type(int adp_type); 359int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg); 360 361#endif /* _KERNEL */ 362 363#endif /* !_DEV_FB_FBREG_H_ */ 364