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: releng/5.1/sys/dev/fb/fbreg.h 114383 2003-05-01 04:21:05Z peter $
   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 __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 __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, d, 0, 0, c)
   63 #define fill_io(p, d, c)        \
   64         bus_space_set_region_1(IA64_BUS_SPACE_MEM, d, 0, p, c)
   65 #define fillw_io(p, d, c)       \
   66         bus_space_set_region_2(IA64_BUS_SPACE_MEM, d, 0, p, c)
   67 #define readw(a)                \
   68         bus_space_read_2(IA64_BUS_SPACE_MEM, a, 0)
   69 #define writew(a, v)            \
   70         bus_space_write_2(IA64_BUS_SPACE_MEM, a, 0, v)
   71 #define writel(a, v)            \
   72         bus_space_write_4(IA64_BUS_SPACE_MEM, a, 0, v)
   73 static __inline void
   74 fillw(int val, uint16_t *buf, size_t size)
   75 {
   76         while (size--)
   77                 *buf++ = val;
   78 }
   79 #else /* !__i386__ && !__ia64__ && !__amd64__ */
   80 #define bcopy_io(s, d, c)       memcpy_io((d), (s), (c))
   81 #define bcopy_toio(s, d, c)     memcpy_toio((d), (void *)(s), (c))
   82 #define bcopy_fromio(s, d, c)   memcpy_fromio((void *)(d), (s), (c))
   83 #define bzero_io(d, c)          memset_io((d), 0, (c))
   84 #define fill_io(p, d, c)        memset_io((d), (p), (c))
   85 #define fillw(p, d, c)          memsetw((d), (p), (c))
   86 #define fillw_io(p, d, c)       memsetw_io((d), (p), (c))
   87 #endif /* !__i386__ */
   88 
   89 /* video function table */
   90 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
   91 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
   92 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
   93 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
   94 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
   95 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
   96                            u_char *data, int c, int count);
   97 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
   98                            u_char *data, int c, int count);
   99 typedef int vi_show_font_t(video_adapter_t *adp, int page);
  100 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
  101 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
  102 typedef int vi_set_border_t(video_adapter_t *adp, int border);
  103 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
  104 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
  105 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
  106 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
  107 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
  108 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
  109                                      int height, int celsize, int blink);
  110 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
  111 /* defined in sys/fbio.h
  112 #define V_DISPLAY_ON            0
  113 #define V_DISPLAY_BLANK         1
  114 #define V_DISPLAY_STAND_BY      2
  115 #define V_DISPLAY_SUSPEND       3
  116 */
  117 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset,
  118                       vm_paddr_t *paddr, int prot);
  119 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
  120 typedef int vi_clear_t(video_adapter_t *adp);
  121 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
  122                            int cx, int cy);
  123 typedef int vi_bitblt_t(video_adapter_t *adp, ...);
  124 typedef int vi_diag_t(video_adapter_t *adp, int level);
  125 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
  126 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
  127 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
  128                       int n);
  129 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
  130                        u_int32_t a, int size, int bpp, int bit_ltor,
  131                        int byte_ltor);
  132 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
  133                       u_int8_t a);
  134 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
  135                        int len);
  136 typedef int vi_putm_t(video_adapter_t *adp, int x, int y,
  137                       u_int8_t *pixel_image, u_int32_t pixel_mask, int size);
  138 
  139 typedef struct video_switch {
  140     vi_probe_t          *probe;
  141     vi_init_t           *init;
  142     vi_get_info_t       *get_info;
  143     vi_query_mode_t     *query_mode;
  144     vi_set_mode_t       *set_mode;
  145     vi_save_font_t      *save_font;
  146     vi_load_font_t      *load_font;
  147     vi_show_font_t      *show_font;
  148     vi_save_palette_t   *save_palette;
  149     vi_load_palette_t   *load_palette;
  150     vi_set_border_t     *set_border;
  151     vi_save_state_t     *save_state;
  152     vi_load_state_t     *load_state;
  153     vi_set_win_org_t    *set_win_org;
  154     vi_read_hw_cursor_t *read_hw_cursor;
  155     vi_set_hw_cursor_t  *set_hw_cursor;
  156     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
  157     vi_blank_display_t  *blank_display;
  158     vi_mmap_t           *mmap;
  159     vi_ioctl_t          *ioctl;
  160     vi_clear_t          *clear;
  161     vi_fill_rect_t      *fill_rect;
  162     vi_bitblt_t         *bitblt;
  163     int                 (*reserved1)(void);
  164     int                 (*reserved2)(void);
  165     vi_diag_t           *diag;
  166     vi_save_cursor_palette_t    *save_cursor_palette;
  167     vi_load_cursor_palette_t    *load_cursor_palette;
  168     vi_copy_t           *copy;
  169     vi_putp_t           *putp;
  170     vi_putc_t           *putc;
  171     vi_puts_t           *puts;
  172     vi_putm_t           *putm;
  173 } video_switch_t;
  174 
  175 #define save_palette(adp, pal)                          \
  176         (*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
  177 #define load_palette(adp, pal)                          \
  178         (*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
  179 #define get_mode_info(adp, mode, buf)                   \
  180         (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
  181 #define set_video_mode(adp, mode)                       \
  182         (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
  183 #define set_border(adp, border)                         \
  184         (*vidsw[(adp)->va_index]->set_border)((adp), (border))
  185 #define set_origin(adp, o)                              \
  186         (*vidsw[(adp)->va_index]->set_win_org)(adp, o)
  187 
  188 /* XXX - add more macros */
  189 
  190 /* video driver */
  191 typedef struct video_driver {
  192     char                *name;
  193     video_switch_t      *vidsw;
  194     int                 (*configure)(int); /* backdoor for the console driver */
  195 } video_driver_t;
  196 
  197 #define VIDEO_DRIVER(name, sw, config)                  \
  198         static struct video_driver name##_driver = {    \
  199                 #name, &sw, config                      \
  200         };                                              \
  201         DATA_SET(videodriver_set, name##_driver);
  202 
  203 /* global variables */
  204 extern struct video_switch **vidsw;
  205 
  206 /* functions for the video card driver */
  207 int             vid_register(video_adapter_t *adp);
  208 int             vid_unregister(video_adapter_t *adp);
  209 video_switch_t  *vid_get_switch(char *name);
  210 void            vid_init_struct(video_adapter_t *adp, char *name, int type,
  211                                 int unit);
  212 
  213 /* functions for the video card client */
  214 int             vid_allocate(char *driver, int unit, void *id);
  215 int             vid_release(video_adapter_t *adp, void *id);
  216 int             vid_find_adapter(char *driver, int unit);
  217 video_adapter_t *vid_get_adapter(int index);
  218 
  219 /* a backdoor for the console driver to tickle the video driver XXX */
  220 int             vid_configure(int flags);
  221 #define VIO_PROBE_ONLY  (1 << 0)        /* probe only, don't initialize */
  222 
  223 #ifdef FB_INSTALL_CDEV
  224 
  225 /* virtual frame buffer driver functions */
  226 int             fb_attach(dev_t dev, video_adapter_t *adp,
  227                           struct cdevsw *cdevsw);
  228 int             fb_detach(dev_t dev, video_adapter_t *adp,
  229                           struct cdevsw *cdevsw);
  230 
  231 /* generic frame buffer cdev driver functions */
  232 
  233 typedef struct genfb_softc {
  234         int             gfb_flags;      /* flag/status bits */
  235 #define FB_OPEN         (1 << 0)
  236 } genfb_softc_t;
  237 
  238 int             genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
  239                           int flag, int mode, struct thread *td);
  240 int             genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
  241                            int flag, int mode, struct thread *td);
  242 int             genfbread(genfb_softc_t *sc, video_adapter_t *adp,
  243                           struct uio *uio, int flag);
  244 int             genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
  245                            struct uio *uio, int flag);
  246 int             genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
  247                            u_long cmd, caddr_t arg, int flag, struct thread *td);
  248 int             genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
  249                           vm_offset_t offset, vm_offset_t *paddr, int prot);
  250 
  251 #endif /* FB_INSTALL_CDEV */
  252 
  253 /* generic low-level driver functions */
  254 
  255 void            fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
  256 void            fb_dump_mode_info(char *driver, video_adapter_t *adp,
  257                                   video_info_t *info, int level);
  258 int             fb_type(int adp_type);
  259 int             fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
  260 
  261 #endif /* _KERNEL */
  262 
  263 #endif /* !_DEV_FB_FBREG_H_ */

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