cregit-Linux how code gets into the kernel

Release 4.7 include/uapi/linux/fb.h

#ifndef _UAPI_LINUX_FB_H

#define _UAPI_LINUX_FB_H

#include <linux/types.h>
#include <linux/i2c.h>

/* Definitions of frame buffers                                         */


#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
#ifndef __KERNEL__

#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 FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)


#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_TYPE_FOURCC			5	
/* Type identified by a V4L2 FOURCC */


#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_TEXT_SVGA_GROUP	8	
/* 8-15: SVGA tileblit compatible modes */

#define FB_AUX_TEXT_SVGA_MASK	7	
/* lower three bits says step */

#define FB_AUX_TEXT_SVGA_STEP2	8	
/* SVGA text mode:  text, attr */

#define FB_AUX_TEXT_SVGA_STEP4	9	
/* SVGA text mode:  text, attr,  2 reserved bytes */

#define FB_AUX_TEXT_SVGA_STEP8	10	
/* SVGA text mode:  text, attr,  6 reserved bytes */

#define FB_AUX_TEXT_SVGA_STEP16	11	
/* SVGA text mode:  text, attr, 14 reserved bytes */

#define FB_AUX_TEXT_SVGA_LAST	15	
/* reserved up to 15 */


#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_VISUAL_FOURCC		6	
/* Visual identified by a V4L2 FOURCC */


#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_XGI_VOLARI_V	47	
/* XGI Volari V3XT, V5, V8      */

#define FB_ACCEL_XGI_VOLARI_Z	48	
/* XGI Volari Z7                */

#define FB_ACCEL_OMAP1610	49	
/* TI OMAP16xx                  */

#define FB_ACCEL_TRIDENT_TGUI	50	
/* Trident TGUI                 */

#define FB_ACCEL_TRIDENT_3DIMAGE 51	
/* Trident 3DImage              */

#define FB_ACCEL_TRIDENT_BLADE3D 52	
/* Trident Blade3D              */

#define FB_ACCEL_TRIDENT_BLADEXP 53	
/* Trident BladeXP              */

#define FB_ACCEL_CIRRUS_ALPINE   53	
/* Cirrus Logic 543x/544x/5480  */

#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_PXA3XX		 99	
/* PXA3xx                       */


#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_ACCEL_PUV3_UNIGFX	0xa0	
/* PKUnity-v3 Unigfx            */


#define FB_CAP_FOURCC		1	
/* Device supports FOURCC-based formats */


struct fb_fix_screeninfo {
	
char id[16];			/* identification string eg "TT Builtin" */
	
unsigned long 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    */
	
unsigned long mmio_start;	/* Start of Memory Mapped I/O   */
					/* (physical address) */
	
__u32 mmio_len;			/* Length of Memory Mapped I/O  */
	
__u32 accel;			/* Indicate to driver which     */
					/*  specific chip/card we have  */
	
__u16 capabilities;		/* see FB_CAP_*                 */
	
__u16 reserved[2];		/* 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.
 *
 * For pseudocolor: offset and length should be the same for all color
 * components. Offset specifies the position of the least significant bit
 * of the pallette index in a pixel value. Length indicates the number
 * of available palette entries (i.e. # of entries = 1 << length).
 */

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_NONSTD_REV_PIX_IN_B	2	
/* order of pixels in each byte is reversed */


#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_ODD_FLD_FIRST	4	
/* interlaced: top line first */

#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       */

/*
 * Display rotation support
 */

#define FB_ROTATE_UR      0

#define FB_ROTATE_CW      1

#define FB_ROTATE_UD      2

#define FB_ROTATE_CCW     3


#define PICOS2KHZ(a) (1000000000UL/(a))

#define KHZ2PICOS(a) (1000000000UL/(a))


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 = color, 1 = grayscale,    */
					/* >1 = FOURCC                  */
	
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;		/* (OBSOLETE) see fb_info.flags */

	/* 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 rotate;			/* angle we rotate counter clockwise */
	
__u32 colorspace;		/* colorspace for FOURCC-based modes */
	
__u32 reserved[4];		/* 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;
};

/* VESA Blanking Levels */

#define VESA_NO_BLANKING        0

#define VESA_VSYNC_SUSPEND      1

#define VESA_HSYNC_SUSPEND      2

#define VESA_POWERDOWN          3


enum {
	/* screen: unblanked, hsync: on,  vsync: on */
	
FB_BLANK_UNBLANK       = VESA_NO_BLANKING,

	/* screen: blanked,   hsync: on,  vsync: on */
	
FB_BLANK_NORMAL        = VESA_NO_BLANKING + 1,

	/* screen: blanked,   hsync: on,  vsync: off */
	
FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,

	/* screen: blanked,   hsync: off, vsync: on */
	
FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,

	/* screen: blanked,   hsync: off, vsync: off */
	
FB_BLANK_POWERDOWN     = VESA_POWERDOWN + 1
};


#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 */


struct fb_vblank {
	
__u32 flags;			/* FB_VBLANK flags */
	
__u32 count;			/* counter of retraces since boot */
	
__u32 vcount;			/* current scanline position */
	
__u32 hcount;			/* current scandot position */
	
__u32 reserved[4];		/* reserved for future compatibility */
};

/* Internal HW accel */

#define ROP_COPY 0

#define ROP_XOR  1


struct fb_copyarea {
	
__u32 dx;
	
__u32 dy;
	
__u32 width;
	
__u32 height;
	
__u32 sx;
	
__u32 sy;
};


struct fb_fillrect {
	
__u32 dx;	/* screen-relative */
	
__u32 dy;
	
__u32 width;
	
__u32 height;
	
__u32 color;
	
__u32 rop;
};


struct fb_image {
	
__u32 dx;		/* Where to place image */
	
__u32 dy;
	
__u32 width;		/* Size of image */
	
__u32 height;
	
__u32 fg_color;		/* Only used when a mono bitmap */
	
__u32 bg_color;
	
__u8  depth;		/* Depth of the image */
	
const char *data;	/* Pointer to image data */
	
struct fb_cmap cmap;	/* color map info */
};

/*
 * 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


struct fbcurpos {
	

__u16 x, y;
};


struct fb_cursor {
	
__u16 set;		/* what to set */
	
__u16 enable;		/* cursor on/off */
	
__u16 rop;		/* bitop operation */
	
const char *mask;	/* cursor mask bits */
	
struct fbcurpos hot;	/* cursor hot spot */
	
struct fb_image	image;	/* Cursor image */
};

#ifdef CONFIG_FB_BACKLIGHT
/* Settings for the generic backlight code */

#define FB_BACKLIGHT_LEVELS	128

#define FB_BACKLIGHT_MAX	0xFF
#endif


#endif /* _UAPI_LINUX_FB_H */

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