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-rw-r--r--include/linux/fb.h932
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diff --git a/include/linux/fb.h b/include/linux/fb.h
new file mode 100644
index 000000000000..b45d3e2d711a
--- /dev/null
+++ b/include/linux/fb.h
@@ -0,0 +1,932 @@
+#ifndef _LINUX_FB_H
+#define _LINUX_FB_H
+
+#include <asm/types.h>
+
+/* 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 */
+
+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 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_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))
+
+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; /* (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 reserved[5]; /* 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 __KERNEL__
+
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/device.h>
+#include <linux/workqueue.h>
+#include <linux/devfs_fs_kernel.h>
+#include <linux/notifier.h>
+#include <linux/list.h>
+#include <asm/io.h>
+
+struct vm_area_struct;
+struct fb_info;
+struct device;
+struct file;
+
+/* 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 */
+struct fb_chroma {
+ __u32 redx; /* in fraction of 1024 */
+ __u32 greenx;
+ __u32 bluex;
+ __u32 whitex;
+ __u32 redy;
+ __u32 greeny;
+ __u32 bluey;
+ __u32 whitey;
+};
+
+struct fb_monspecs {
+ struct fb_chroma chroma;
+ struct fb_videomode *modedb; /* mode database */
+ __u8 manufacturer[4]; /* Manufacturer */
+ __u8 monitor[14]; /* Monitor String */
+ __u8 serial_no[14]; /* Serial Number */
+ __u8 ascii[14]; /* ? */
+ __u32 modedb_len; /* mode database length */
+ __u32 model; /* Monitor Model */
+ __u32 serial; /* Serial Number - Integer */
+ __u32 year; /* Year manufactured */
+ __u32 week; /* Week Manufactured */
+ __u32 hfmin; /* hfreq lower limit (Hz) */
+ __u32 hfmax; /* hfreq upper limit (Hz) */
+ __u32 dclkmin; /* pixelclock lower limit (Hz) */
+ __u32 dclkmax; /* pixelclock upper limit (Hz) */
+ __u16 input; /* display type - see FB_DISP_* */
+ __u16 dpms; /* DPMS support - see FB_DPMS_ */
+ __u16 signal; /* Signal Type - see FB_SIGNAL_* */
+ __u16 vfmin; /* vfreq lower limit (Hz) */
+ __u16 vfmax; /* vfreq upper limit (Hz) */
+ __u16 gamma; /* Gamma - in fractions of 100 */
+ __u16 gtf : 1; /* supports GTF */
+ __u16 misc; /* Misc flags - see FB_MISC_* */
+ __u8 version; /* EDID version... */
+ __u8 revision; /* ...and revision */
+ __u8 max_x; /* Maximum horizontal size (cm) */
+ __u8 max_y; /* Maximum vertical size (cm) */
+};
+
+struct fb_cmap_user {
+ __u32 start; /* First entry */
+ __u32 len; /* Number of entries */
+ __u16 __user *red; /* Red values */
+ __u16 __user *green;
+ __u16 __user *blue;
+ __u16 __user *transp; /* transparency, can be NULL */
+};
+
+struct fb_image_user {
+ __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 __user *data; /* Pointer to image data */
+ struct fb_cmap_user cmap; /* color map info */
+};
+
+struct fb_cursor_user {
+ __u16 set; /* what to set */
+ __u16 enable; /* cursor on/off */
+ __u16 rop; /* bitop operation */
+ const char __user *mask; /* cursor mask bits */
+ struct fbcurpos hot; /* cursor hot spot */
+ struct fb_image_user image; /* Cursor image */
+};
+
+/*
+ * 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
+
+struct fb_event {
+ struct fb_info *info;
+ void *data;
+};
+
+
+extern int fb_register_client(struct notifier_block *nb);
+extern int fb_unregister_client(struct notifier_block *nb);
+
+/*
+ * 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 */
+
+struct fb_pixmap {
+ u8 *addr; /* pointer to memory */
+ u32 size; /* size of buffer in bytes */
+ u32 offset; /* current offset to buffer */
+ u32 buf_align; /* byte alignment of each bitmap */
+ u32 scan_align; /* alignment per scanline */
+ u32 access_align; /* alignment per read/write */
+ u32 flags; /* see FB_PIXMAP_* */
+ /* access methods */
+ void (*outbuf)(struct fb_info *info, u8 *addr, u8 *src, unsigned int size);
+ u8 (*inbuf) (struct fb_info *info, u8 *addr);
+};
+
+
+/*
+ * Frame buffer operations
+ *
+ * LOCKING NOTE: those functions must _ALL_ be called with the console
+ * semaphore held, this is the only suitable locking mecanism we have
+ * in 2.6. Some may be called at interrupt time at this point though.
+ */
+
+struct fb_ops {
+ /* open/release and usage marking */
+ struct module *owner;
+ int (*fb_open)(struct fb_info *info, int user);
+ int (*fb_release)(struct fb_info *info, int user);
+
+ /* For framebuffers with strange non linear layouts or that do not
+ * work with normal memory mapped access
+ */
+ ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
+ ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
+
+ /* checks var and eventually tweaks it to something supported,
+ * DO NOT MODIFY PAR */
+ int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
+
+ /* set the video mode according to info->var */
+ int (*fb_set_par)(struct fb_info *info);
+
+ /* set color register */
+ int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp, struct fb_info *info);
+
+ /* blank display */
+ int (*fb_blank)(int blank, struct fb_info *info);
+
+ /* pan display */
+ int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
+
+ /* Draws a rectangle */
+ void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
+ /* Copy data from area to another */
+ void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
+ /* Draws a image to the display */
+ void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
+
+ /* Draws cursor */
+ int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
+
+ /* Rotates the display */
+ void (*fb_rotate)(struct fb_info *info, int angle);
+
+ /* wait for blit idle, optional */
+ int (*fb_sync)(struct fb_info *info);
+
+ /* perform fb specific ioctl (optional) */
+ int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
+ unsigned long arg, struct fb_info *info);
+
+ /* Handle 32bit compat ioctl (optional) */
+ long (*fb_compat_ioctl)(struct file *f, unsigned cmd, unsigned long arg,
+ struct fb_info *info);
+
+ /* perform fb specific mmap */
+ int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
+};
+
+#ifdef CONFIG_FB_TILEBLITTING
+
+#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
+
+struct fb_tilemap {
+ __u32 width; /* width of each tile in pixels */
+ __u32 height; /* height of each tile in scanlines */
+ __u32 depth; /* color depth of each tile */
+ __u32 length; /* number of tiles in the map */
+ __u8 *data; /* actual tile map: a bitmap array, packed
+ to the nearest byte */
+};
+
+struct fb_tilerect {
+ __u32 sx; /* origin in the x-axis */
+ __u32 sy; /* origin in the y-axis */
+ __u32 width; /* number of tiles in the x-axis */
+ __u32 height; /* number of tiles in the y-axis */
+ __u32 index; /* what tile to use: index to tile map */
+ __u32 fg; /* foreground color */
+ __u32 bg; /* background color */
+ __u32 rop; /* raster operation */
+};
+
+struct fb_tilearea {
+ __u32 sx; /* source origin in the x-axis */
+ __u32 sy; /* source origin in the y-axis */
+ __u32 dx; /* destination origin in the x-axis */
+ __u32 dy; /* destination origin in the y-axis */
+ __u32 width; /* number of tiles in the x-axis */
+ __u32 height; /* number of tiles in the y-axis */
+};
+
+struct fb_tileblit {
+ __u32 sx; /* origin in the x-axis */
+ __u32 sy; /* origin in the y-axis */
+ __u32 width; /* number of tiles in the x-axis */
+ __u32 height; /* number of tiles in the y-axis */
+ __u32 fg; /* foreground color */
+ __u32 bg; /* background color */
+ __u32 length; /* number of tiles to draw */
+ __u32 *indices; /* array of indices to tile map */
+};
+
+struct fb_tilecursor {
+ __u32 sx; /* cursor position in the x-axis */
+ __u32 sy; /* cursor position in the y-axis */
+ __u32 mode; /* 0 = erase, 1 = draw */
+ __u32 shape; /* see FB_TILE_CURSOR_* */
+ __u32 fg; /* foreground color */
+ __u32 bg; /* background color */
+};
+
+struct fb_tile_ops {
+ /* set tile characteristics */
+ void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
+
+ /* all dimensions from hereon are in terms of tiles */
+
+ /* move a rectangular region of tiles from one area to another*/
+ void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
+ /* fill a rectangular region with a tile */
+ void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
+ /* copy an array of tiles */
+ void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
+ /* cursor */
+ void (*fb_tilecursor)(struct fb_info *info,
+ struct fb_tilecursor *cursor);
+};
+#endif /* CONFIG_FB_TILEBLITTING */
+
+/* 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 */
+
+struct fb_info {
+ int node;
+ int flags;
+ struct fb_var_screeninfo var; /* Current var */
+ struct fb_fix_screeninfo fix; /* Current fix */
+ struct fb_monspecs monspecs; /* Current Monitor specs */
+ struct work_struct queue; /* Framebuffer event queue */
+ struct fb_pixmap pixmap; /* Image hardware mapper */
+ struct fb_pixmap sprite; /* Cursor hardware mapper */
+ struct fb_cmap cmap; /* Current cmap */
+ struct list_head modelist; /* mode list */
+ struct fb_videomode *mode; /* current mode */
+ struct fb_ops *fbops;
+ struct device *device;
+ struct class_device *class_device; /* sysfs per device attrs */
+#ifdef CONFIG_FB_TILEBLITTING
+ struct fb_tile_ops *tileops; /* Tile Blitting */
+#endif
+ char __iomem *screen_base; /* Virtual address */
+ unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
+ void *pseudo_palette; /* Fake palette of 16 colors */
+#define FBINFO_STATE_RUNNING 0
+#define FBINFO_STATE_SUSPENDED 1
+ u32 state; /* Hardware state i.e suspend */
+ void *fbcon_par; /* fbcon use-only private area */
+ /* From here on everything is device dependent */
+ void *par;
+};
+
+#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
+
+/* This will go away
+ * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
+ * when it wants to turn the acceleration engine on. This is
+ * really a separate operation, and should be modified via sysfs.
+ * But for now, we leave it broken with the following define
+ */
+#define STUPID_ACCELF_TEXT_SHIT
+
+// This will go away
+#if defined(__sparc__)
+
+/* We map all of our framebuffers such that big-endian accesses
+ * are what we want, so the following is sufficient.
+ */
+
+// This will go away
+#define fb_readb sbus_readb
+#define fb_readw sbus_readw
+#define fb_readl sbus_readl
+#define fb_readq sbus_readq
+#define fb_writeb sbus_writeb
+#define fb_writew sbus_writew
+#define fb_writel sbus_writel
+#define fb_writeq sbus_writeq
+#define fb_memset sbus_memset_io
+
+#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
+
+#define fb_readb __raw_readb
+#define fb_readw __raw_readw
+#define fb_readl __raw_readl
+#define fb_readq __raw_readq
+#define fb_writeb __raw_writeb
+#define fb_writew __raw_writew
+#define fb_writel __raw_writel
+#define fb_writeq __raw_writeq
+#define fb_memset memset_io
+
+#else
+
+#define fb_readb(addr) (*(volatile u8 *) (addr))
+#define fb_readw(addr) (*(volatile u16 *) (addr))
+#define fb_readl(addr) (*(volatile u32 *) (addr))
+#define fb_readq(addr) (*(volatile u64 *) (addr))
+#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
+#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
+#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
+#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
+#define fb_memset memset
+
+#endif
+
+ /*
+ * `Generic' versions of the frame buffer device operations
+ */
+
+extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
+extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
+extern int fb_blank(struct fb_info *info, int blank);
+extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor);
+extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
+extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
+extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
+
+/* drivers/video/fbmem.c */
+extern int register_framebuffer(struct fb_info *fb_info);
+extern int unregister_framebuffer(struct fb_info *fb_info);
+extern int fb_prepare_logo(struct fb_info *fb_info);
+extern int fb_show_logo(struct fb_info *fb_info);
+extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
+extern void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
+ u8 *dst, u32 d_pitch, u8 *src, u32 idx,
+ u32 height, u32 shift_high, u32 shift_low, u32 mod);
+extern void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
+ u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
+ u32 height);
+extern void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
+ u8 *dst, u32 d_pitch, u8 *src, u32 idx,
+ u32 height, u32 shift_high, u32 shift_low, u32 mod);
+extern void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
+ u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
+ u32 height);
+extern void fb_set_suspend(struct fb_info *info, int state);
+extern int fb_get_color_depth(struct fb_var_screeninfo *var);
+extern int fb_get_options(char *name, char **option);
+extern int fb_new_modelist(struct fb_info *info);
+
+extern struct fb_info *registered_fb[FB_MAX];
+extern int num_registered_fb;
+
+/* drivers/video/fbsysfs.c */
+extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
+extern void framebuffer_release(struct fb_info *info);
+extern int fb_init_class_device(struct fb_info *fb_info);
+extern void fb_cleanup_class_device(struct fb_info *head);
+
+/* 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
+
+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 fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
+ struct fb_info *info);
+extern int fb_validate_mode(const struct fb_var_screeninfo *var,
+ struct fb_info *info);
+extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
+extern void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs);
+extern void fb_destroy_modedb(struct fb_videomode *modedb);
+
+/* drivers/video/modedb.c */
+#define VESA_MODEDB_SIZE 34
+extern void fb_var_to_videomode(struct fb_videomode *mode,
+ struct fb_var_screeninfo *var);
+extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
+ struct fb_videomode *mode);
+extern int fb_mode_is_equal(struct fb_videomode *mode1,
+ struct fb_videomode *mode2);
+extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
+extern void fb_delete_videomode(struct fb_videomode *mode,
+ struct list_head *head);
+extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern struct fb_videomode *fb_find_nearest_mode(struct fb_var_screeninfo *var,
+ struct list_head *head);
+extern void fb_destroy_modelist(struct list_head *head);
+extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
+ struct list_head *head);
+
+/* drivers/video/fbcmap.c */
+extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
+extern void fb_dealloc_cmap(struct fb_cmap *cmap);
+extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
+extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
+extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
+extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
+extern struct fb_cmap *fb_default_cmap(int len);
+extern void fb_invert_cmaps(void);
+
+struct fb_videomode {
+ const char *name; /* optional */
+ u32 refresh; /* optional */
+ u32 xres;
+ u32 yres;
+ u32 pixclock;
+ u32 left_margin;
+ u32 right_margin;
+ u32 upper_margin;
+ u32 lower_margin;
+ u32 hsync_len;
+ u32 vsync_len;
+ u32 sync;
+ u32 vmode;
+ u32 flag;
+};
+
+extern const struct fb_videomode vesa_modes[];
+
+struct fb_modelist {
+ struct list_head list;
+ struct fb_videomode mode;
+};
+
+extern int fb_find_mode(struct fb_var_screeninfo *var,
+ struct fb_info *info, const char *mode_option,
+ const struct fb_videomode *db,
+ unsigned int dbsize,
+ const struct fb_videomode *default_mode,
+ unsigned int default_bpp);
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_FB_H */