framebuffer 宏定义
这些宏定义分散在头文件include /linux/fb.h中。
include/linux/fb.h
#ifndef _LINUX_FB_H
#define _LINUX_FB_H
#include
/* Definitions of frame buffers */
#define FB_MAJOR 29
#define FB_MAX 32 /* sufficient for now */
/* 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
#ifdef __KERNEL__
#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
#else
#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
#endif
/* 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 FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
#define FBIO_ALLOC 0x4613
#define FBIO_FREE 0x4614
#define FBIOGET_GLYPH 0x4615
#define FBIOGET_HWCINFO 0x4616
#define FBIOPUT_MODEINFO 0x4617
#define FBIOGET_DISPINFO 0x4618
#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_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
#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 */
#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
#define FB_ACCEL_I810 39 /* Intel 810/815 */
#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
#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_ACTIVATE_FORCE 128 /* force apply even when no change*/
#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
#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 */
#define PICOS2KHZ(a) (1000000000UL/(a))
#define KHZ2PICOS(a) (1000000000UL/(a))/* VESA Blanking Levels */
#define VESA_NO_BLANKING 0
#define VESA_VSYNC_SUSPEND 1
#define VESA_HSYNC_SUSPEND 2
#define VESA_POWERDOWN 3#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
/*
* hardware cursor control
*/
#define FB_CUR_SETIMAGE 0x01
#define FB_CUR_SETPOS 0x02
#define FB_CUR_SETHOT 0x04
#define FB_CUR_SETCMAP 0x08
#define FB_CUR_SETSHAPE 0x10
#define FB_CUR_SETSIZE 0x20
#define FB_CUR_SETALL 0xFF/* Definitions below are used in the parsed monitor specs */
#define FB_DPMS_ACTIVE_OFF 1
#define FB_DPMS_SUSPEND 2
#define FB_DPMS_STANDBY 4
#define FB_DISP_DDI 1
#define FB_DISP_ANA_700_300 2
#define FB_DISP_ANA_714_286 4
#define FB_DISP_ANA_1000_400 8
#define FB_DISP_ANA_700_000 16
#define FB_DISP_MONO 32
#define FB_DISP_RGB 64
#define FB_DISP_MULTI 128
#define FB_DISP_UNKNOWN 256
#define FB_SIGNAL_NONE 0
#define FB_SIGNAL_BLANK_BLANK 1
#define FB_SIGNAL_SEPARATE 2
#define FB_SIGNAL_COMPOSITE 4
#define FB_SIGNAL_SYNC_ON_GREEN 8
#define FB_SIGNAL_SERRATION_ON 16
#define FB_MISC_PRIM_COLOR 1
#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred *//*
* Register/unregister for framebuffer events
*/
/* The resolution of the passed in fb_info about to change */
#define FB_EVENT_MODE_CHANGE 0x01
/* The display on this fb_info is beeing suspended, no access to the
* framebuffer is allowed any more after that call returns
*/
#define FB_EVENT_SUSPEND 0x02
/* The display on this fb_info was resumed, you can restore the display
* if you own it
*/
#define FB_EVENT_RESUME 0x03
/* An entry from the modelist was removed */
#define FB_EVENT_MODE_DELETE 0x04
/* A driver registered itself */
#define FB_EVENT_FB_REGISTERED 0x05
/* get console to framebuffer mapping */
#define FB_EVENT_GET_CONSOLE_MAP 0x06
/* set console to framebuffer mapping */
#define FB_EVENT_SET_CONSOLE_MAP 0x07
/* A display blank is requested */
#define FB_EVENT_BLANK 0x08
/* Private modelist is to be replaced */
#define FB_EVENT_NEW_MODELIST 0x09/*
* Pixmap structure definition
*
* The purpose of this structure is to translate data
* from the hardware independent format of fbdev to what
* format the hardware needs.
*/
#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
#define FB_PIXMAP_IO 4 /* memory is iomapped */
#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */#define FB_TILE_CURSOR_NONE 0
#define FB_TILE_CURSOR_UNDERLINE 1
#define FB_TILE_CURSOR_LOWER_THIRD 2
#define FB_TILE_CURSOR_LOWER_HALF 3
#define FB_TILE_CURSOR_TWO_THIRDS 4
#define FB_TILE_CURSOR_BLOCK 5/* FBINFO_* = fb_info.flags bit flags */
#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
#define FBINFO_HWACCEL_DISABLED 0x0002
/* When FBINFO_HWACCEL_DISABLED is set:
* Hardware acceleration is turned off. Software implementations
* of required functions (copyarea(), fillrect(), and imageblit())
* takes over; acceleration engine should be in a quiescent state */
/* hints */
#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
/* hardware supported ops */
/* semantics: when a bit is set, it indicates that the operation is
* accelerated by hardware.
* required functions will still work even if the bit is not set.
* optional functions may not even exist if the flag bit is not set.
*/
#define FBINFO_HWACCEL_NONE 0x0000
#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
#define FBINFO_MISC_USEREVENT 0x10000 /* event request
from userspace */
#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */#define FBINFO_STATE_RUNNING 0
#define FBINFO_STATE_SUSPENDED 1/* drivers/video/fbmon.c */
#define FB_MAXTIMINGS 0
#define FB_VSYNCTIMINGS 1
#define FB_HSYNCTIMINGS 2
#define FB_DCLKTIMINGS 3
#define FB_IGNOREMON 0x100
#define FB_MODE_IS_UNKNOWN 0
#define FB_MODE_IS_DETAILED 1
#define FB_MODE_IS_STANDARD 2
#define FB_MODE_IS_VESA 4
#define FB_MODE_IS_CALCULATED 8
#define FB_MODE_IS_FIRST 16
#define FB_MODE_IS_FROM_VAR 32#ifdef MODULE
#define FBINFO_DEFAULT FBINFO_MODULE
#else
#define FBINFO_DEFAULT 0
#endif
// This will go away
#define FBINFO_FLAG_MODULE FBINFO_MODULE
#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT