sys/dev/video/fb/fbreg.h

   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: src/sys/dev/fb/fbreg.h,v 1.6 1999/12/29 04:35:36 peter Exp $
  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(__x86_64__)
  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)          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 #else /* !__x86_64__ */
  46 #define bcopy_io(s, d, c)       memcpy_io((d), (s), (c))
  47 #define bcopy_toio(s, d, c)     memcpy_toio((d), (void *)(s), (c))
  48 #define bcopy_fromio(s, d, c)   memcpy_fromio((void *)(d), (s), (c))
  49 #define bzero_io(d, c)          memset_io((d), 0, (c))
  50 #define fill_io(p, d, c)        memset_io((d), (p), (c))
  51 #define fillw(p, d, c)          memsetw((d), (p), (c))
  52 #define fillw_io(p, d, c)       memsetw_io((d), (p), (c))
  53 #endif /* !__x86_64__ */
  54
  55 /* video function table */
  56 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
  57 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
  58 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
  59 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
  60 typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
  61 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
  62                            u_char *data, int c, int count);
  63 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
  64                            u_char *data, int c, int count);
  65 typedef int vi_show_font_t(video_adapter_t *adp, int page);
  66 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
  67 typedef int vi_load_palette_t(video_adapter_t *adp, const u_char *palette);
  68 typedef int vi_set_border_t(video_adapter_t *adp, int border);
  69 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
  70 typedef int vi_load_state_t(video_adapter_t *adp, void *p);
  71 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
  72 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
  73 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
  74 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
  75                                      int height, int celsize, int blink);
  76 typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
  77 #define V_DISPLAY_ON            0
  78 #define V_DISPLAY_STAND_BY      (1<<0)
  79 #define V_DISPLAY_SUSPEND       (1<<1)
  80 #define V_DISPLAY_OFF           (1<<2)
  81 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot);
  82 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
  83 typedef int vi_clear_t(video_adapter_t *adp);
  84 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
  85                            int cx, int cy);
  86 typedef int vi_bitblt_t(video_adapter_t *adp,...);
  87 typedef int vi_diag_t(video_adapter_t *adp, int level);
  88
  89 typedef struct video_switch {
  90     vi_probe_t          *probe;
  91     vi_init_t           *init;
  92     vi_get_info_t       *get_info;
  93     vi_query_mode_t     *query_mode;
  94     vi_set_mode_t       *set_mode;
  95     vi_save_font_t      *save_font;
  96     vi_load_font_t      *load_font;
  97     vi_show_font_t      *show_font;
  98     vi_save_palette_t   *save_palette;
  99     vi_load_palette_t   *load_palette;
 100     vi_set_border_t     *set_border;
 101     vi_save_state_t     *save_state;
 102     vi_load_state_t     *load_state;
 103     vi_set_win_org_t    *set_win_org;
 104     vi_read_hw_cursor_t *read_hw_cursor;
 105     vi_set_hw_cursor_t  *set_hw_cursor;
 106     vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
 107     vi_blank_display_t  *blank_display;
 108     vi_mmap_t           *mmap;
 109     vi_ioctl_t          *ioctl;
 110     vi_clear_t          *clear;
 111     vi_fill_rect_t      *fill_rect;
 112     vi_bitblt_t         *bitblt;
 113     int                 (*reserved1)(void);
 114     int                 (*reserved2)(void);
 115     vi_diag_t           *diag;
 116 } video_switch_t;
 117
 118 #define save_palette(adp, pal)                          \
 119         do {                                            \
 120                 lwkt_gettoken(&tty_token);              \
 121                 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal)); \
 122                 lwkt_reltoken(&tty_token);              \
 123         } while (0)
 124
 125 #define load_palette(adp, pal)                          \
 126         do {                                            \
 127                 lwkt_gettoken(&tty_token);              \
 128                 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal)); \
 129                 lwkt_reltoken(&tty_token);              \
 130         } while (0)
 131
 132 #define get_mode_info(adp, mode, buf)                   \
 133         (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
 134
 135 #define set_video_mode(adp, mode)                       \
 136         (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
 137
 138 #if 0 /* XXX conflicts with syscons' set_border() */
 139 #define set_border(adp, border)                         \
 140         do {                                            \
 141                 lwkt_gettoken(&tty_token);              \
 142                 (*vidsw[(adp)->va_index]->set_border)((adp), (border)); \
 143                 lwkt_reltoken(&tty_token);              \
 144         } while (0)
 145 #endif
 146
 147 #define set_origin(adp, o)                              \
 148         do {                                            \
 149                 lwkt_gettoken(&tty_token);              \
 150                 (*vidsw[(adp)->va_index]->set_win_org)(adp, o); \
 151                 lwkt_reltoken(&tty_token);              \
 152         } while (0)
 153
 154 /* XXX - add more macros */
 155
 156 /* video driver */
 157 typedef struct video_driver {
 158     char                *name;
 159     video_switch_t      *vidsw;
 160     int                 (*configure)(int); /* backdoor for the console driver */
 161 } video_driver_t;
 162
 163 #define VIDEO_DRIVER(name, sw, config)                  \
 164         static struct video_driver name##_driver = {    \
 165                 #name, &sw, config                      \
 166         };                                              \
 167         DATA_SET(videodriver_set, name##_driver);
 168
 169 /* global variables */
 170 extern struct video_switch **vidsw;
 171
 172 /* functions for the video card driver */
 173 int             vid_register(video_adapter_t *adp);
 174 int             vid_unregister(video_adapter_t *adp);
 175 video_switch_t  *vid_get_switch(char *name);
 176 void            vid_init_struct(video_adapter_t *adp, char *name, int type,
 177                                 int unit);
 178
 179 /* functions for the video card client */
 180 int             vid_allocate(char *driver, int unit, void *id);
 181 int             vid_release(video_adapter_t *adp, void *id);
 182 int             vid_find_adapter(char *driver, int unit);
 183 video_adapter_t *vid_get_adapter(int index);
 184
 185 /* a backdoor for the console driver to tickle the video driver XXX */
 186 int             vid_configure(int flags);
 187 #define VIO_PROBE_ONLY  (1 << 0)        /* probe only, don't initialize */
 188
 189 #ifdef FB_INSTALL_CDEV
 190
 191 /* virtual frame buffer driver functions */
 192 int             fb_attach(cdev_t dev, video_adapter_t *adp);
 193 int             fb_detach(cdev_t dev, video_adapter_t *adp);
 194
 195 /* generic frame buffer cdev driver functions */
 196
 197 typedef struct genfb_softc {
 198         int             gfb_flags;      /* flag/status bits */
 199 #define FB_OPEN         (1 << 0)
 200 } genfb_softc_t;
 201
 202 int             genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
 203                           int flag, int mode, struct ucred *cred);
 204 int             genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
 205                            int flag, int mode);
 206 int             genfbread(genfb_softc_t *sc, video_adapter_t *adp,
 207                           struct uio *uio, int flag);
 208 int             genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
 209                            struct uio *uio, int flag);
 210 int             genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
 211                            u_long cmd, caddr_t arg, int flag,
 212                            struct ucred *cred);
 213 int             genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
 214                           vm_offset_t offset, int prot);
 215
 216 #endif /* FB_INSTALL_CDEV */
 217
 218 /* generic low-level driver functions */
 219
 220 void            fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
 221 void            fb_dump_mode_info(char *driver, video_adapter_t *adp,
 222                                   video_info_t *info, int level);
 223 int             fb_type(int adp_type);
 224 int             fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
 225
 226 #endif /* _KERNEL */
 227
 228 #endif /* !_DEV_FB_FBREG_H_ */