The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: 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  * $FreeBSD$
   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 #else /* !__i386__ */
   47 #define bcopy_io(s, d, c)       memcpy_io((d), (s), (c))
   48 #define bcopy_toio(s, d, c)     memcpy_toio((d), (void *)(s), (c))
   49 #define bcopy_fromio(s, d, c)   memcpy_fromio((void *)(d), (s), (c))
   50 #define bzero_io(d, c)          memset_io((d), 0, (c))
   51 #define fill_io(p, d, c)        memset_io((d), (p), (c))
   52 #define fillw(p, d, c)          memsetw((d), (p), (c))
   53 #define fillw_io(p, d, c)       memsetw_io((d), (p), (c))
   54 #endif /* !__i386__ */
   55 
   56 /* video function table */
   57 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
   58 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
   59 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
   60 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
   61 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
   62 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
   63                            u_char *data, int c, int count);
   64 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
   65                            u_char *data, int c, int count);
   66 typedef int vi_show_font_t(video_adapter_t *adp, int page);
   67 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
   68 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
   69 typedef int vi_set_border_t(video_adapter_t *adp, int border);
   70 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
   71 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
   72 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
   73 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
   74 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
   75 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
   76                                      int height, int celsize, int blink);
   77 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
   78 #define V_DISPLAY_ON            0
   79 #define V_DISPLAY_BLANK         1
   80 #define V_DISPLAY_STAND_BY      2
   81 #define V_DISPLAY_SUSPEND       3
   82 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot);
   83 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
   84 typedef int vi_clear_t(video_adapter_t *adp);
   85 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
   86                            int cx, int cy);
   87 typedef int vi_bitblt_t(video_adapter_t *adp,...);
   88 typedef int vi_diag_t(video_adapter_t *adp, int level);
   89 
   90 typedef struct video_switch {
   91     vi_probe_t          *probe;
   92     vi_init_t           *init;
   93     vi_get_info_t       *get_info;
   94     vi_query_mode_t     *query_mode;
   95     vi_set_mode_t       *set_mode;
   96     vi_save_font_t      *save_font;
   97     vi_load_font_t      *load_font;
   98     vi_show_font_t      *show_font;
   99     vi_save_palette_t   *save_palette;
  100     vi_load_palette_t   *load_palette;
  101     vi_set_border_t     *set_border;
  102     vi_save_state_t     *save_state;
  103     vi_load_state_t     *load_state;
  104     vi_set_win_org_t    *set_win_org;
  105     vi_read_hw_cursor_t *read_hw_cursor;
  106     vi_set_hw_cursor_t  *set_hw_cursor;
  107     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
  108     vi_blank_display_t  *blank_display;
  109     vi_mmap_t           *mmap;
  110     vi_ioctl_t          *ioctl;
  111     vi_clear_t          *clear;
  112     vi_fill_rect_t      *fill_rect;
  113     vi_bitblt_t         *bitblt;
  114     int                 (*reserved1)(void);
  115     int                 (*reserved2)(void);
  116     vi_diag_t           *diag;
  117 } video_switch_t;
  118 
  119 #define save_palette(adp, pal)                          \
  120         (*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
  121 #define load_palette(adp, pal)                          \
  122         (*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
  123 #define get_mode_info(adp, mode, buf)                   \
  124         (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
  125 #define set_video_mode(adp, mode)                       \
  126         (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
  127 #if 0 /* XXX conflicts with syscons' set_border() */
  128 #define set_border(adp, border)                         \
  129         (*vidsw[(adp)->va_index]->set_border)((adp), (border))
  130 #endif
  131 #define set_origin(adp, o)                              \
  132         (*vidsw[(adp)->va_index]->set_win_org)(adp, o)
  133 
  134 /* XXX - add more macros */
  135 
  136 /* video driver */
  137 typedef struct video_driver {
  138     char                *name;
  139     video_switch_t      *vidsw;
  140     int                 (*configure)(int); /* backdoor for the console driver */
  141 } video_driver_t;
  142 
  143 #define VIDEO_DRIVER(name, sw, config)                  \
  144         static struct video_driver name##_driver = {    \
  145                 #name, &sw, config                      \
  146         };                                              \
  147         DATA_SET(videodriver_set, name##_driver);
  148 
  149 /* global variables */
  150 extern struct video_switch **vidsw;
  151 extern struct linker_set videodriver_set;
  152 
  153 /* functions for the video card driver */
  154 int             vid_register(video_adapter_t *adp);
  155 int             vid_unregister(video_adapter_t *adp);
  156 video_switch_t  *vid_get_switch(char *name);
  157 void            vid_init_struct(video_adapter_t *adp, char *name, int type,
  158                                 int unit);
  159 
  160 /* functions for the video card client */
  161 int             vid_allocate(char *driver, int unit, void *id);
  162 int             vid_release(video_adapter_t *adp, void *id);
  163 int             vid_find_adapter(char *driver, int unit);
  164 video_adapter_t *vid_get_adapter(int index);
  165 
  166 /* a backdoor for the console driver to tickle the video driver XXX */
  167 int             vid_configure(int flags);
  168 #define VIO_PROBE_ONLY  (1 << 0)        /* probe only, don't initialize */
  169 
  170 #ifdef FB_INSTALL_CDEV
  171 
  172 /* virtual frame buffer driver functions */
  173 int             fb_attach(dev_t dev, video_adapter_t *adp,
  174                           struct cdevsw *cdevsw);
  175 int             fb_detach(dev_t dev, video_adapter_t *adp,
  176                           struct cdevsw *cdevsw);
  177 
  178 /* generic frame buffer cdev driver functions */
  179 
  180 typedef struct genfb_softc {
  181         int             gfb_flags;      /* flag/status bits */
  182 #define FB_OPEN         (1 << 0)
  183 } genfb_softc_t;
  184 
  185 int             genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
  186                           int flag, int mode, struct proc *p);
  187 int             genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
  188                            int flag, int mode, struct proc *p);
  189 int             genfbread(genfb_softc_t *sc, video_adapter_t *adp,
  190                           struct uio *uio, int flag);
  191 int             genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
  192                            struct uio *uio, int flag);
  193 int             genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
  194                            u_long cmd, caddr_t arg, int flag, struct proc *p);
  195 int             genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
  196                           vm_offset_t offset, int prot);
  197 
  198 #endif /* FB_INSTALL_CDEV */
  199 
  200 /* generic low-level driver functions */
  201 
  202 void            fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
  203 void            fb_dump_mode_info(char *driver, video_adapter_t *adp,
  204                                   video_info_t *info, int level);
  205 int             fb_type(int adp_type);
  206 int             fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
  207 
  208 #endif /* _KERNEL */
  209 
  210 #endif /* !_DEV_FB_FBREG_H_ */

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