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_toio(s, d, c)     generic_bcopy((void *)(s), (void *)(d), c)
   39 #define bcopy_fromio(s, d, c)   generic_bcopy((void *)(s), (void *)(d), c)
   40 #define bzero_io(d, c)          generic_bzero((void *)(d), c)
   41 void generic_bcopy(const void *s, void *d, size_t c);
   42 void generic_bzero(void *d, size_t c);
   43 #else /* !__i386__ */
   44 #define bcopy_toio(s, d, c)     memcpy_toio(d, s, c)
   45 #define bcopy_fromio(s, d, c)   memcpy_fromio(d, s, c)
   46 #define bzero_io(d, c)          memset_io(d, 0, c)
   47 #endif /* !__i386__ */
   48 
   49 /* video function table */
   50 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
   51 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
   52 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
   53 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
   54 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
   55 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
   56                            u_char *data, int c, int count);
   57 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
   58                            u_char *data, int c, int count);
   59 typedef int vi_show_font_t(video_adapter_t *adp, int page);
   60 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
   61 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
   62 typedef int vi_set_border_t(video_adapter_t *adp, int border);
   63 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
   64 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
   65 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
   66 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
   67 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
   68 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
   69                                      int height, int celsize, int blink);
   70 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
   71 #define V_DISPLAY_POWER_ON      0
   72 #define V_DISPLAY_SUSPEND       1
   73 #define V_DISPLAY_SUSPEND1      1
   74 #define V_DISPLAY_SUSPEND2      2
   75 #define V_DISPLAY_POWER_OFF     3
   76 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset);
   77 typedef int vi_diag_t(video_adapter_t *adp, int level);
   78 
   79 typedef struct video_switch {
   80     vi_probe_t          *probe;
   81     vi_init_t           *init;
   82     vi_get_info_t       *get_info;
   83     vi_query_mode_t     *query_mode;
   84     vi_set_mode_t       *set_mode;
   85     vi_save_font_t      *save_font;
   86     vi_load_font_t      *load_font;
   87     vi_show_font_t      *show_font;
   88     vi_save_palette_t   *save_palette;
   89     vi_load_palette_t   *load_palette;
   90     vi_set_border_t     *set_border;
   91     vi_save_state_t     *save_state;
   92     vi_load_state_t     *load_state;
   93     vi_set_win_org_t    *set_win_org;
   94     vi_read_hw_cursor_t *read_hw_cursor;
   95     vi_set_hw_cursor_t  *set_hw_cursor;
   96     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
   97     vi_blank_display_t  *blank_display;
   98     vi_mmap_t           *mmap;
   99     vi_diag_t           *diag;
  100 } video_switch_t;
  101 
  102 #define save_palette(adp, pal)                          \
  103         (*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
  104 #define load_palette(adp, pal)                          \
  105         (*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
  106 #define get_mode_info(adp, mode, buf)                   \
  107         (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
  108 #define set_video_mode(adp, mode)                       \
  109         (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
  110 #if 0 /* XXX conflicts with syscons' set_border() */
  111 #define set_border(adp, border)                         \
  112         (*vidsw[(adp)->va_index]->set_border)((adp), (border))
  113 #endif
  114 #define set_origin(adp, o)                              \
  115         (*vidsw[(adp)->va_index]->set_win_org)(adp, o)
  116 
  117 /* XXX - add more macros */
  118 
  119 /* video driver */
  120 typedef struct video_driver {
  121     char                *name;
  122     video_switch_t      *vidsw;
  123     int                 (*configure)(int); /* backdoor for the console driver */
  124 } video_driver_t;
  125 
  126 #define VIDEO_DRIVER(name, sw, config)                  \
  127         static struct video_driver name##_driver = {    \
  128                 #name, &sw, config                      \
  129         };                                              \
  130         DATA_SET(videodriver_set, name##_driver);
  131 
  132 /* global variables */
  133 extern struct video_switch **vidsw;
  134 extern struct linker_set videodriver_set;
  135 
  136 /* functions for the video card driver */
  137 int             vid_register(video_adapter_t *adp);
  138 int             vid_unregister(video_adapter_t *adp);
  139 video_switch_t  *vid_get_switch(char *name);
  140 void            vid_init_struct(video_adapter_t *adp, char *name, int type,
  141                                 int unit);
  142 
  143 /* functions for the video card client */
  144 int             vid_allocate(char *driver, int unit, void *id);
  145 int             vid_release(video_adapter_t *adp, void *id);
  146 int             vid_find_adapter(char *driver, int unit);
  147 video_adapter_t *vid_get_adapter(int index);
  148 
  149 /* a backdoor for the console driver to tickle the video driver XXX */
  150 int             vid_configure(int flags);
  151 #define VIO_PROBE_ONLY  (1 << 0)        /* probe only, don't initialize */
  152 
  153 #ifdef FB_INSTALL_CDEV
  154 
  155 /* virtual frame buffer driver functions */
  156 int             fb_attach(dev_t dev, video_adapter_t *adp,
  157                           struct cdevsw *cdevsw);
  158 int             fb_detach(dev_t dev, video_adapter_t *adp,
  159                           struct cdevsw *cdevsw);
  160 
  161 #endif /* FB_INSTALL_CDEV */
  162 
  163 /* generic low-level driver functions */
  164 
  165 void            fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
  166 void            fb_dump_mode_info(char *driver, video_adapter_t *adp,
  167                                   video_info_t *info, int level);
  168 
  169 #endif /* KERNEL */
  170 
  171 #endif /* !_DEV_FB_FBREG_H_ */

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