The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/fbreg.h

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    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/8.1/sys/dev/fb/fbreg.h 174985 2007-12-29 23:26:59Z wkoszek $
   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 defined(__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 defined(__ia64__) || defined(__sparc64__)
   54 #if defined(__ia64__)
   55 #include <machine/bus.h>
   56 #define bcopy_fromio(s, d, c)   \
   57         bus_space_read_region_1(IA64_BUS_SPACE_MEM, s, 0, (void*)(d), c)
   58 #define bcopy_io(s, d, c)       \
   59         bus_space_copy_region_1(IA64_BUS_SPACE_MEM, s, 0, d, 0, c)
   60 #define bcopy_toio(s, d, c)     \
   61         bus_space_write_region_1(IA64_BUS_SPACE_MEM, d, 0, (void*)(s), c)
   62 #define bzero_io(d, c)          \
   63         bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, 0, c)
   64 #define fill_io(p, d, c)        \
   65         bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
   66 #define fillw_io(p, d, c)       \
   67         bus_space_set_region_2(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
   68 #define readb(a)                bus_space_read_1(IA64_BUS_SPACE_MEM, a, 0)
   69 #define readw(a)                bus_space_read_2(IA64_BUS_SPACE_MEM, a, 0)
   70 #define writeb(a, v)            bus_space_write_1(IA64_BUS_SPACE_MEM, a, 0, v)
   71 #define writew(a, v)            bus_space_write_2(IA64_BUS_SPACE_MEM, a, 0, v)
   72 #define writel(a, v)            bus_space_write_4(IA64_BUS_SPACE_MEM, a, 0, v)
   73 #endif /* __ia64__ */
   74 static __inline void
   75 fillw(int val, uint16_t *buf, size_t size)
   76 {
   77         while (size--)
   78                 *buf++ = val;
   79 }
   80 #elif defined(__powerpc__)
   81 
   82 #define bcopy_io(s, d, c)       ofwfb_bcopy((void *)(s), (void *)(d), (c))
   83 #define bcopy_toio(s, d, c)     ofwfb_bcopy((void *)(s), (void *)(d), (c))
   84 #define bcopy_fromio(s, d, c)   ofwfb_bcopy((void *)(s), (void *)(d), (c))
   85 #define bzero_io(d, c)          ofwfb_bzero((void *)(d), (c))
   86 #define fillw(p, d, c)          ofwfb_fillw((p), (void *)(d), (c))
   87 #define fillw_io(p, d, c)       ofwfb_fillw((p), (void *)(d), (c))
   88 #define readw(a)                ofwfb_readw((u_int16_t *)(a))
   89 #define writew(a, v)            ofwfb_writew((u_int16_t *)(a), (v))
   90 void ofwfb_bcopy(const void *s, void *d, size_t c);
   91 void ofwfb_bzero(void *d, size_t c);
   92 void ofwfb_fillw(int pat, void *base, size_t cnt);
   93 u_int16_t ofwfb_readw(u_int16_t *addr);
   94 void ofwfb_writew(u_int16_t *addr, u_int16_t val);
   95 
   96 #else /* !__i386__ && !__amd64__ && !__ia64__ && !__sparc64__ && !__powerpc__ */
   97 #define bcopy_io(s, d, c)       memcpy_io((d), (s), (c))
   98 #define bcopy_toio(s, d, c)     memcpy_toio((d), (void *)(s), (c))
   99 #define bcopy_fromio(s, d, c)   memcpy_fromio((void *)(d), (s), (c))
  100 #define bzero_io(d, c)          memset_io((d), 0, (c))
  101 #define fill_io(p, d, c)        memset_io((d), (p), (c))
  102 #define fillw(p, d, c)          memsetw((d), (p), (c))
  103 #define fillw_io(p, d, c)       memsetw_io((d), (p), (c))
  104 #endif /* !__i386__ */
  105 
  106 /* video function table */
  107 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
  108 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
  109 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
  110 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
  111 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
  112 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width,
  113                            u_char *data, int c, int count);
  114 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width,
  115                            u_char *data, int c, int count);
  116 typedef int vi_show_font_t(video_adapter_t *adp, int page);
  117 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
  118 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
  119 typedef int vi_set_border_t(video_adapter_t *adp, int border);
  120 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
  121 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
  122 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
  123 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
  124 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
  125 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
  126                                      int height, int celsize, int blink);
  127 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
  128 /* defined in sys/fbio.h
  129 #define V_DISPLAY_ON            0
  130 #define V_DISPLAY_BLANK         1
  131 #define V_DISPLAY_STAND_BY      2
  132 #define V_DISPLAY_SUSPEND       3
  133 */
  134 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset,
  135                       vm_paddr_t *paddr, int prot);
  136 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
  137 typedef int vi_clear_t(video_adapter_t *adp);
  138 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
  139                            int cx, int cy);
  140 typedef int vi_bitblt_t(video_adapter_t *adp, ...);
  141 typedef int vi_diag_t(video_adapter_t *adp, int level);
  142 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
  143 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
  144 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
  145                       int n);
  146 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
  147                        u_int32_t a, int size, int bpp, int bit_ltor,
  148                        int byte_ltor);
  149 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
  150                       u_int8_t a);
  151 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
  152                        int len);
  153 typedef int vi_putm_t(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
  154                       u_int32_t pixel_mask, int size, int width);
  155 
  156 typedef struct video_switch {
  157     vi_probe_t          *probe;
  158     vi_init_t           *init;
  159     vi_get_info_t       *get_info;
  160     vi_query_mode_t     *query_mode;
  161     vi_set_mode_t       *set_mode;
  162     vi_save_font_t      *save_font;
  163     vi_load_font_t      *load_font;
  164     vi_show_font_t      *show_font;
  165     vi_save_palette_t   *save_palette;
  166     vi_load_palette_t   *load_palette;
  167     vi_set_border_t     *set_border;
  168     vi_save_state_t     *save_state;
  169     vi_load_state_t     *load_state;
  170     vi_set_win_org_t    *set_win_org;
  171     vi_read_hw_cursor_t *read_hw_cursor;
  172     vi_set_hw_cursor_t  *set_hw_cursor;
  173     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
  174     vi_blank_display_t  *blank_display;
  175     vi_mmap_t           *mmap;
  176     vi_ioctl_t          *ioctl;
  177     vi_clear_t          *clear;
  178     vi_fill_rect_t      *fill_rect;
  179     vi_bitblt_t         *bitblt;
  180     int                 (*reserved1)(void);
  181     int                 (*reserved2)(void);
  182     vi_diag_t           *diag;
  183     vi_save_cursor_palette_t    *save_cursor_palette;
  184     vi_load_cursor_palette_t    *load_cursor_palette;
  185     vi_copy_t           *copy;
  186     vi_putp_t           *putp;
  187     vi_putc_t           *putc;
  188     vi_puts_t           *puts;
  189     vi_putm_t           *putm;
  190 } video_switch_t;
  191 
  192 #define vidd_probe(unit, adpp, arg, flags)                              \
  193         (*vidsw[(adp)->va_index]->probe)((unit), (adpp), (arg), (flags))
  194 #define vidd_init(unit, adp, flags)                                     \
  195         (*vidsw[(adp)->va_index]->init)((unit), (adp), (flags))
  196 #define vidd_get_info(adp, mode, info)                                  \
  197         (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (info))
  198 #define vidd_query_mode(adp, mode)                                      \
  199         (*vidsw[(adp)->va_index]->query_mode)((adp), (mode))
  200 #define vidd_set_mode(adp, mode)                                        \
  201         (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
  202 #define vidd_save_font(adp, page, size, width, data, c, count)          \
  203         (*vidsw[(adp)->va_index]->save_font)((adp), (page), (size),     \
  204             (width), (data), (c), (count))
  205 #define vidd_load_font(adp, page, size, width, data, c, count)          \
  206         (*vidsw[(adp)->va_index]->load_font)((adp), (page), (size),     \
  207             (width), (data), (c), (count))
  208 #define vidd_show_font(adp, page)                                       \
  209         (*vidsw[(adp)->va_index]->show_font)((adp), (page))
  210 #define vidd_save_palette(adp, pallete)                                 \
  211         (*vidsw[(adp)->va_index]->save_palette)((adp), (pallete))
  212 #define vidd_load_palette(adp, pallete)                                 \
  213         (*vidsw[(adp)->va_index]->load_palette)((adp), (pallete))
  214 #define vidd_set_border(adp, border)                                    \
  215         (*vidsw[(adp)->va_index]->set_border)((adp), (border))
  216 #define vidd_save_state(adp, p, size)                                   \
  217         (*vidsw[(adp)->va_index]->save_state)((adp), (p), (size))
  218 #define vidd_load_state(adp, p)                                         \
  219         (*vidsw[(adp)->va_index]->load_state)((adp), (p))
  220 #define vidd_set_win_org(adp, offset)                                   \
  221         (*vidsw[(adp)->va_index]->set_win_org)((adp), (offset))
  222 #define vidd_read_hw_cursor(adp, col, row)                              \
  223         (*vidsw[(adp)->va_index]->read_hw_cursor)((adp), (col), (row))
  224 #define vidd_set_hw_cursor(adp, col, row)                               \
  225         (*vidsw[(adp)->va_index]->set_hw_cursor)((adp), (col), (row))
  226 #define vidd_set_hw_cursor_shape(adp, base, height, celsize, blink)     \
  227         (*vidsw[(adp)->va_index]->set_hw_cursor_shape)((adp), (base),   \
  228             (height), (celsize), (blink))
  229 #define vidd_blank_display(adp, mode)                                   \
  230         (*vidsw[(adp)->va_index]->blank_display)((adp), (mode))
  231 #define vidd_mmap(adp, offset, paddr, prot)                             \
  232         (*vidsw[(adp)->va_index]->mmap)((adp), (offset), (paddr), (prot))
  233 #define vidd_ioctl(adp, cmd, data)                                      \
  234         (*vidsw[(adp)->va_index]->ioctl)((adp), (cmd), (data))
  235 #define vidd_clear(adp)                                                 \
  236         (*vidsw[(adp)->va_index]->clear)((adp))
  237 #define vidd_fill_rect(adp, val, x, y, cx, cy)                          \
  238         (*vidsw[(adp)->va_index]->fill_rect)((adp), (val), (x), (y),    \
  239             (cx), (cy))
  240 #define vidd_bitblt(adp, ...)                                           \
  241         (*vidsw[(adp)->va_index]->bitblt)(adp, __VA_ARGS__)
  242 #define vidd_diag(adp, level)                                           \
  243         (*vidsw[(adp)->va_index]->diag)((adp), (level))
  244 #define vidd_save_cursor_palette(adp, palette)                          \
  245         (*vidsw[(adp)->va_index]->save_cursor_palette)((adp), (palette))
  246 #define vidd_load_cursor_palette(adp, palette)                          \
  247         (*vidsw[(adp)->va_index]->load_cursor_palette)((adp), (palette))
  248 #define vidd_copy(adp, src, dst, n)                                     \
  249         (*vidsw[(adp)->va_index]->copy)((adp), (src), (dst), (n))
  250 #define vidd_putp(adp, offset, p, a, size, bpp, bit_ltor1, byte_ltor2)  \
  251         (*vidsw[(adp)->va_index]->putp)((adp), (offset), (p), (a),      \
  252             (size), (bpp), (bit_ltor1), (bit_ltor2))
  253 #define vidd_putc(adp, offset, c, a)                                    \
  254         (*vidsw[(adp)->va_index]->putc)((adp), (offset), (c), (a))
  255 #define vidd_puts(adp, offset, s, len)                                  \
  256         (*vidsw[(adp)->va_index]->puts)((adp), (offset), (s), (len))
  257 #define vidd_putm(adp, x, y, pixel_image, pixel_mask, size, width)      \
  258         (*vidsw[(adp)->va_index]->putm)((adp), (x), (y), (pixel_image), \
  259             (pixel_mask), (size), (width))
  260 
  261 /* video driver */
  262 typedef struct video_driver {
  263     char                *name;
  264     video_switch_t      *vidsw;
  265     int                 (*configure)(int); /* backdoor for the console driver */
  266 } video_driver_t;
  267 
  268 #define VIDEO_DRIVER(name, sw, config)                  \
  269         static struct video_driver name##_driver = {    \
  270                 #name, &sw, config                      \
  271         };                                              \
  272         DATA_SET(videodriver_set, name##_driver);
  273 
  274 /* global variables */
  275 extern struct video_switch **vidsw;
  276 
  277 /* functions for the video card driver */
  278 int             vid_register(video_adapter_t *adp);
  279 int             vid_unregister(video_adapter_t *adp);
  280 video_switch_t  *vid_get_switch(char *name);
  281 void            vid_init_struct(video_adapter_t *adp, char *name, int type,
  282                                 int unit);
  283 
  284 /* functions for the video card client */
  285 int             vid_allocate(char *driver, int unit, void *id);
  286 int             vid_release(video_adapter_t *adp, void *id);
  287 int             vid_find_adapter(char *driver, int unit);
  288 video_adapter_t *vid_get_adapter(int index);
  289 
  290 /* a backdoor for the console driver to tickle the video driver XXX */
  291 int             vid_configure(int flags);
  292 #define VIO_PROBE_ONLY  (1 << 0)        /* probe only, don't initialize */
  293 
  294 #ifdef FB_INSTALL_CDEV
  295 
  296 /* virtual frame buffer driver functions */
  297 int             fb_attach(int unit, video_adapter_t *adp,
  298                           struct cdevsw *cdevsw);
  299 int             fb_detach(int unit, video_adapter_t *adp,
  300                           struct cdevsw *cdevsw);
  301 
  302 /* generic frame buffer cdev driver functions */
  303 
  304 typedef struct genfb_softc {
  305         int             gfb_flags;      /* flag/status bits */
  306 #define FB_OPEN         (1 << 0)
  307 } genfb_softc_t;
  308 
  309 int             genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
  310                           int flag, int mode, struct thread *td);
  311 int             genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
  312                            int flag, int mode, struct thread *td);
  313 int             genfbread(genfb_softc_t *sc, video_adapter_t *adp,
  314                           struct uio *uio, int flag);
  315 int             genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
  316                            struct uio *uio, int flag);
  317 int             genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
  318                            u_long cmd, caddr_t arg, int flag, struct thread *td);
  319 int             genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
  320                           vm_offset_t offset, vm_offset_t *paddr, int prot);
  321 
  322 #endif /* FB_INSTALL_CDEV */
  323 
  324 /* generic low-level driver functions */
  325 
  326 void            fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
  327 void            fb_dump_mode_info(char *driver, video_adapter_t *adp,
  328                                   video_info_t *info, int level);
  329 int             fb_type(int adp_type);
  330 int             fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
  331 
  332 #endif /* _KERNEL */
  333 
  334 #endif /* !_DEV_FB_FBREG_H_ */

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