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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 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FB_MODES_SHIFT 5 /* 32 modes per framebuffer */ #define FB_NUM_MINORS 256 /* 256 Minors */ #define FB_MAX (FB_NUM_MINORS / (1 << FB_MODES_SHIFT)) #define GET_FB_IDX(node) (MINOR(node) >> FB_MODES_SHIFT) /* ioctls 0x46 is 'F' */ #define FBIOGET_VSCREENINFO 0x4600 #define FBIOPUT_VSCREENINFO 0x4601 #define FBIOGET_FSCREENINFO 0x4602 #define FBIOGETCMAP 0x4604 #define FBIOPUTCMAP 0x4605 #define FBIOPAN_DISPLAY 0x4606 /* 0x4607-0x460B are defined below */ /* #define FBIOGET_MONITORSPEC 0x460C */ /* #define FBIOPUT_MONITORSPEC 0x460D */ /* #define FBIOSWITCH_MONIBIT 0x460E */ #define FBIOGET_CON2FBMAP 0x460F #define FBIOPUT_CON2FBMAP 0x4610 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ #define FB_TYPE_PLANES 1 /* Non interleaved planes */ #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ #define FB_TYPE_TEXT 3 /* Text/attributes */ #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ #define FB_AUX_TEXT_MDA 0 /* Monochrome text */ #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ #define FB_VISUAL_TRUECOLOR 2 /* True color */ #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ #define FB_ACCEL_NONE 0 /* no hardware accelerator */ #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ struct fb_fix_screeninfo { char id[16]; /* identification string eg "TT Builtin" */ char *smem_start; /* Start of frame buffer mem */ /* (physical address) */ __u32 smem_len; /* Length of frame buffer mem */ __u32 type; /* see FB_TYPE_* */ __u32 type_aux; /* Interleave for interleaved Planes */ __u32 visual; /* see FB_VISUAL_* */ __u16 xpanstep; /* zero if no hardware panning */ __u16 ypanstep; /* zero if no hardware panning */ __u16 ywrapstep; /* zero if no hardware ywrap */ __u32 line_length; /* length of a line in bytes */ char *mmio_start; /* Start of Memory Mapped I/O */ /* (physical address) */ __u32 mmio_len; /* Length of Memory Mapped I/O */ __u32 accel; /* Type of acceleration available */ __u16 reserved[3]; /* Reserved for future compatibility */ }; /* Interpretation of offset for color fields: All offsets are from the right, * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you * can use the offset as right argument to <<). A pixel afterwards is a bit * stream and is written to video memory as that unmodified. This implies * big-endian byte order if bits_per_pixel is greater than 8. */ struct fb_bitfield { __u32 offset; /* beginning of bitfield */ __u32 length; /* length of bitfield */ __u32 msb_right; /* != 0 : Most significant bit is */ /* right */ }; #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ #define FB_ACTIVATE_MASK 15 /* values */ #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ #define FB_ACCELF_TEXT 1 /* text mode acceleration */ #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ #define FB_SYNC_EXT 4 /* external sync */ #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ /* vtotal = 144d/288n/576i => PAL */ /* vtotal = 121d/242n/484i => NTSC */ #define FB_SYNC_ON_GREEN 32 /* sync on green */ #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ #define FB_VMODE_INTERLACED 1 /* interlaced */ #define FB_VMODE_DOUBLE 2 /* double scan */ #define FB_VMODE_MASK 255 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ struct fb_var_screeninfo { __u32 xres; /* visible resolution */ __u32 yres; __u32 xres_virtual; /* virtual resolution */ __u32 yres_virtual; __u32 xoffset; /* offset from virtual to visible */ __u32 yoffset; /* resolution */ __u32 bits_per_pixel; /* guess what */ __u32 grayscale; /* != 0 Graylevels instead of colors */ struct fb_bitfield red; /* bitfield in fb mem if true color, */ struct fb_bitfield green; /* else only length is significant */ struct fb_bitfield blue; struct fb_bitfield transp; /* transparency */ __u32 nonstd; /* != 0 Non standard pixel format */ __u32 activate; /* see FB_ACTIVATE_* */ __u32 height; /* height of picture in mm */ __u32 width; /* width of picture in mm */ __u32 accel_flags; /* acceleration flags (hints) */ /* Timing: All values in pixclocks, except pixclock (of course) */ __u32 pixclock; /* pixel clock in ps (pico seconds) */ __u32 left_margin; /* time from sync to picture */ __u32 right_margin; /* time from picture to sync */ __u32 upper_margin; /* time from sync to picture */ __u32 lower_margin; __u32 hsync_len; /* length of horizontal sync */ __u32 vsync_len; /* length of vertical sync */ __u32 sync; /* see FB_SYNC_* */ __u32 vmode; /* see FB_VMODE_* */ __u32 reserved[6]; /* Reserved for future compatibility */ }; struct fb_cmap { __u32 start; /* First entry */ __u32 len; /* Number of entries */ __u16 *red; /* Red values */ __u16 *green; __u16 *blue; __u16 *transp; /* transparency, can be NULL */ }; struct fb_con2fbmap { __u32 console; __u32 framebuffer; }; struct fb_monspecs { __u32 hfmin; /* hfreq lower limit (Hz) */ __u32 hfmax; /* hfreq upper limit (Hz) */ __u16 vfmin; /* vfreq lower limit (Hz) */ __u16 vfmax; /* vfreq upper limit (Hz) */ unsigned dpms : 1; /* supports DPMS */ }; #ifdef __KERNEL__ #include <linux/fs.h> struct fb_info; struct fb_info_gen; struct vm_area_struct; struct file; /* * Frame buffer operations */ struct fb_ops { /* open/release and usage marking */ int (*fb_open)(struct fb_info *info, int user); int (*fb_release)(struct fb_info *info, int user); /* get non settable parameters */ int (*fb_get_fix)(struct fb_fix_screeninfo *fix, int con, struct fb_info *info); /* get settable parameters */ int (*fb_get_var)(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* set settable parameters */ int (*fb_set_var)(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* get colormap */ int (*fb_get_cmap)(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); /* set colormap */ int (*fb_set_cmap)(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); /* pan display */ int (*fb_pan_display)(struct fb_var_screeninfo *var, int con, struct fb_info *info); /* perform fb specific ioctl */ int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int con, struct fb_info *info); /* perform fb specific mmap */ int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma); /* switch to/from raster image mode */ int (*fb_rasterimg)(struct fb_info *info, int start); }; /* * This is the interface between the low-level console driver and the * low-level frame buffer device */ struct display { /* Filled in by the frame buffer device */ struct fb_var_screeninfo var; /* variable infos. yoffset and vmode */ /* are updated by fbcon.c */ struct fb_cmap cmap; /* colormap */ char *screen_base; /* pointer to top of virtual screen */ /* (virtual address) */ int visual; int type; /* see FB_TYPE_* */ int type_aux; /* Interleave for interleaved Planes */ u_short ypanstep; /* zero if no hardware ypan */ u_short ywrapstep; /* zero if no hardware ywrap */ u_long line_length; /* length of a line in bytes */ u_short can_soft_blank; /* zero if no hardware blanking */ u_short inverse; /* != 0 text black on white as default */ struct display_switch *dispsw; /* low level operations */ void *dispsw_data; /* optional dispsw helper data */ #if 0 struct fb_fix_cursorinfo fcrsr; struct fb_var_cursorinfo *vcrsr; struct fb_cursorstate crsrstate; #endif /* Filled in by the low-level console driver */ struct vc_data *conp; /* pointer to console data */ struct fb_info *fb_info; /* frame buffer for this console */ int vrows; /* number of virtual rows */ unsigned short cursor_x; /* current cursor position */ unsigned short cursor_y; int fgcol; /* text colors */ int bgcol; u_long next_line; /* offset to one line below */ u_long next_plane; /* offset to next plane */ u_char *fontdata; /* Font associated to this display */ unsigned short _fontheightlog; unsigned short _fontwidthlog; unsigned short _fontheight; unsigned short _fontwidth; int userfont; /* != 0 if fontdata kmalloc()ed */ u_short scrollmode; /* Scroll Method */ short yscroll; /* Hardware scrolling */ unsigned char fgshift, bgshift; unsigned short charmask; /* 0xff or 0x1ff */ }; struct fb_info { char modename[40]; /* default video mode */ kdev_t node; int flags; #define FBINFO_FLAG_MODULE 1 /* Low-level driver is a module */ struct fb_ops *fbops; struct fb_monspecs monspecs; struct display *disp; /* initial display variable */ struct vc_data *display_fg; /* Console visible on this display */ char fontname[40]; /* default font name */ int (*changevar)(int); /* tell console var has changed */ int (*switch_con)(int, struct fb_info*); /* tell fb to switch consoles */ int (*updatevar)(int, struct fb_info*); /* tell fb to update the vars */ void (*blank)(int, struct fb_info*); /* tell fb to (un)blank the screen */ /* arg = 0: unblank */ /* arg > 0: VESA level (arg-1) */ /* From here on everything is device dependent */ }; #ifdef MODULE #define FBINFO_FLAG_DEFAULT FBINFO_FLAG_MODULE #else #define FBINFO_FLAG_DEFAULT 0 #endif /* * This structure abstracts from the underlying hardware. It is not * mandatory but used by the `generic' frame buffer operations. * Read drivers/video/skeletonfb.c for more information. */ struct fbgen_hwswitch { void (*detect)(void); int (*encode_fix)(struct fb_fix_screeninfo *fix, const void *par, struct fb_info_gen *info); int (*decode_var)(const struct fb_var_screeninfo *var, void *par, struct fb_info_gen *info); int (*encode_var)(struct fb_var_screeninfo *var, const void *par, struct fb_info_gen *info); void (*get_par)(void *par, struct fb_info_gen *info); void (*set_par)(const void *par, struct fb_info_gen *info); int (*getcolreg)(unsigned regno, unsigned *red, unsigned *green, unsigned *blue, unsigned *transp, struct fb_info *info); int (*setcolreg)(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info); int (*pan_display)(const struct fb_var_screeninfo *var, struct fb_info_gen *info); int (*blank)(int blank_mode, struct fb_info_gen *info); void (*set_disp)(const void *par, struct display *disp, struct fb_info_gen *info); }; struct fb_info_gen { struct fb_info info; /* Entries for a generic frame buffer device */ /* Yes, this starts looking like C++ */ u_int parsize; struct fbgen_hwswitch *fbhw; /* From here on everything is device dependent */ }; /* * `Generic' versions of the frame buffer device operations */ extern int fbgen_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info); extern int fbgen_get_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); extern int fbgen_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); extern int fbgen_get_cmap(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); extern int fbgen_set_cmap(struct fb_cmap *cmap, int kspc, int con, struct fb_info *info); extern int fbgen_pan_display(struct fb_var_screeninfo *var, int con, struct fb_info *info); extern int fbgen_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int con, struct fb_info *info); /* * Helper functions */ extern int fbgen_do_set_var(struct fb_var_screeninfo *var, int isactive, struct fb_info_gen *info); extern void fbgen_set_disp(int con, struct fb_info_gen *info); extern void fbgen_install_cmap(int con, struct fb_info_gen *info); extern int fbgen_update_var(int con, struct fb_info *info); extern int fbgen_switch(int con, struct fb_info *info); extern void fbgen_blank(int blank, struct fb_info *info); struct fb_videomode { const char *name; struct fb_var_screeninfo var; }; /* drivers/char/fbmem.c */ extern int register_framebuffer(struct fb_info *fb_info); extern int unregister_framebuffer(const struct fb_info *fb_info); extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal, const struct fb_info *fb_info); extern int fbmon_dpms(const struct fb_info *fb_info); extern int num_registered_fb; extern struct fb_info *registered_fb[FB_MAX]; extern char con2fb_map[MAX_NR_CONSOLES]; /* drivers/video/fbcon.c */ extern struct display fb_display[MAX_NR_CONSOLES]; /* drivers/video/fbcmap.c */ extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); extern void fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto); extern int fb_get_cmap(struct fb_cmap *cmap, int kspc, int (*getcolreg)(u_int, u_int *, u_int *, u_int *, u_int *, struct fb_info *), struct fb_info *fb_info); extern int fb_set_cmap(struct fb_cmap *cmap, int kspc, int (*setcolreg)(u_int, u_int, u_int, u_int, u_int, struct fb_info *), struct fb_info *fb_info); extern struct fb_cmap *fb_default_cmap(int len); extern void fb_invert_cmaps(void); /* VESA Blanking Levels */ #define VESA_NO_BLANKING 0 #define VESA_VSYNC_SUSPEND 1 #define VESA_HSYNC_SUSPEND 2 #define VESA_POWERDOWN 3 #endif /* __KERNEL__ */ #if 1 #define FBCMD_GET_CURRENTPAR 0xDEAD0005 #define FBCMD_SET_CURRENTPAR 0xDEAD8005 #endif #if 1 /* Preliminary */ /* * Hardware Cursor */ #define FBIOGET_FCURSORINFO 0x4607 #define FBIOGET_VCURSORINFO 0x4608 #define FBIOPUT_VCURSORINFO 0x4609 #define FBIOGET_CURSORSTATE 0x460A #define FBIOPUT_CURSORSTATE 0x460B struct fb_fix_cursorinfo { __u16 crsr_width; /* width and height of the cursor in */ __u16 crsr_height; /* pixels (zero if no cursor) */ __u16 crsr_xsize; /* cursor size in display pixels */ __u16 crsr_ysize; __u16 crsr_color1; /* colormap entry for cursor color1 */ __u16 crsr_color2; /* colormap entry for cursor color2 */ }; struct fb_var_cursorinfo { __u16 width; __u16 height; __u16 xspot; __u16 yspot; __u8 data[1]; /* field with [height][width] */ }; struct fb_cursorstate { __s16 xoffset; __s16 yoffset; __u16 mode; }; #define FB_CURSOR_OFF 0 #define FB_CURSOR_ON 1 #define FB_CURSOR_FLASH 2 #endif /* Preliminary */ #endif /* _LINUX_FB_H */ |