5e518d7672
For the i386, code is already present in video.S that gets the EDID from the video BIOS. Make this visible so drivers can also use this data as fallback when i2c does not work. To ensure that the EDID block is returned for the primary graphics adapter only, by check if the IORESOURCE_ROM_SHADOW flag is set. Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
932 lines
34 KiB
C
932 lines
34 KiB
C
#ifndef _LINUX_FB_H
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#define _LINUX_FB_H
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#include <asm/types.h>
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/* Definitions of frame buffers */
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#define FB_MAJOR 29
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#define FB_MAX 32 /* sufficient for now */
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/* ioctls
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0x46 is 'F' */
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#define FBIOGET_VSCREENINFO 0x4600
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#define FBIOPUT_VSCREENINFO 0x4601
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#define FBIOGET_FSCREENINFO 0x4602
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#define FBIOGETCMAP 0x4604
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#define FBIOPUTCMAP 0x4605
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#define FBIOPAN_DISPLAY 0x4606
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#ifdef __KERNEL__
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#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
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#else
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#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
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#endif
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/* 0x4607-0x460B are defined below */
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/* #define FBIOGET_MONITORSPEC 0x460C */
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/* #define FBIOPUT_MONITORSPEC 0x460D */
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/* #define FBIOSWITCH_MONIBIT 0x460E */
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#define FBIOGET_CON2FBMAP 0x460F
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#define FBIOPUT_CON2FBMAP 0x4610
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#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
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#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
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#define FBIO_ALLOC 0x4613
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#define FBIO_FREE 0x4614
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#define FBIOGET_GLYPH 0x4615
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#define FBIOGET_HWCINFO 0x4616
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#define FBIOPUT_MODEINFO 0x4617
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#define FBIOGET_DISPINFO 0x4618
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#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
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#define FB_TYPE_PLANES 1 /* Non interleaved planes */
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#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
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#define FB_TYPE_TEXT 3 /* Text/attributes */
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#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
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#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
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#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
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#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
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#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
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#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
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#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
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#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
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#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
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#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
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#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
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#define FB_VISUAL_TRUECOLOR 2 /* True color */
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#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
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#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
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#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
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#define FB_ACCEL_NONE 0 /* no hardware accelerator */
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#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
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#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
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#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
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#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
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#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
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#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
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#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
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#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
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#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
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#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
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#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
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#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
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#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
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#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
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#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
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#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
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#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
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#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
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#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
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#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
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#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
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#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
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#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
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#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
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#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
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#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
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#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
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#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
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#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
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#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
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#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
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#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
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#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
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#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
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#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
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#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
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#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
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#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
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#define FB_ACCEL_I810 39 /* Intel 810/815 */
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#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
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#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
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#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
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#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
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#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
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#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
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#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
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#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
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#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
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#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
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#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
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#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
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#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
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#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
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#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
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#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
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#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
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#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
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#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
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#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
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#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
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#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
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#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
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#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
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#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
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#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
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#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
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#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
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#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
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#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
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#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
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struct fb_fix_screeninfo {
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char id[16]; /* identification string eg "TT Builtin" */
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unsigned long smem_start; /* Start of frame buffer mem */
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/* (physical address) */
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__u32 smem_len; /* Length of frame buffer mem */
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__u32 type; /* see FB_TYPE_* */
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__u32 type_aux; /* Interleave for interleaved Planes */
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__u32 visual; /* see FB_VISUAL_* */
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__u16 xpanstep; /* zero if no hardware panning */
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__u16 ypanstep; /* zero if no hardware panning */
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__u16 ywrapstep; /* zero if no hardware ywrap */
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__u32 line_length; /* length of a line in bytes */
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unsigned long mmio_start; /* Start of Memory Mapped I/O */
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/* (physical address) */
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__u32 mmio_len; /* Length of Memory Mapped I/O */
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__u32 accel; /* Indicate to driver which */
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/* specific chip/card we have */
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__u16 reserved[3]; /* Reserved for future compatibility */
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};
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/* Interpretation of offset for color fields: All offsets are from the right,
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* inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
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* can use the offset as right argument to <<). A pixel afterwards is a bit
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* stream and is written to video memory as that unmodified. This implies
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* big-endian byte order if bits_per_pixel is greater than 8.
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*/
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struct fb_bitfield {
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__u32 offset; /* beginning of bitfield */
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__u32 length; /* length of bitfield */
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__u32 msb_right; /* != 0 : Most significant bit is */
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/* right */
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};
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#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
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#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
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#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
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#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
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#define FB_ACTIVATE_MASK 15
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/* values */
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#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
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#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
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#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
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#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
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#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
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#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
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#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
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#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
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#define FB_SYNC_EXT 4 /* external sync */
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#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
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#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
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/* vtotal = 144d/288n/576i => PAL */
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/* vtotal = 121d/242n/484i => NTSC */
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#define FB_SYNC_ON_GREEN 32 /* sync on green */
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#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
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#define FB_VMODE_INTERLACED 1 /* interlaced */
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#define FB_VMODE_DOUBLE 2 /* double scan */
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#define FB_VMODE_MASK 255
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#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
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#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
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#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
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#define PICOS2KHZ(a) (1000000000UL/(a))
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#define KHZ2PICOS(a) (1000000000UL/(a))
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struct fb_var_screeninfo {
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__u32 xres; /* visible resolution */
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__u32 yres;
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__u32 xres_virtual; /* virtual resolution */
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__u32 yres_virtual;
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__u32 xoffset; /* offset from virtual to visible */
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__u32 yoffset; /* resolution */
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__u32 bits_per_pixel; /* guess what */
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__u32 grayscale; /* != 0 Graylevels instead of colors */
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struct fb_bitfield red; /* bitfield in fb mem if true color, */
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struct fb_bitfield green; /* else only length is significant */
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struct fb_bitfield blue;
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struct fb_bitfield transp; /* transparency */
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__u32 nonstd; /* != 0 Non standard pixel format */
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__u32 activate; /* see FB_ACTIVATE_* */
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__u32 height; /* height of picture in mm */
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__u32 width; /* width of picture in mm */
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__u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
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/* Timing: All values in pixclocks, except pixclock (of course) */
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__u32 pixclock; /* pixel clock in ps (pico seconds) */
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__u32 left_margin; /* time from sync to picture */
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__u32 right_margin; /* time from picture to sync */
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__u32 upper_margin; /* time from sync to picture */
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__u32 lower_margin;
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__u32 hsync_len; /* length of horizontal sync */
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__u32 vsync_len; /* length of vertical sync */
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__u32 sync; /* see FB_SYNC_* */
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__u32 vmode; /* see FB_VMODE_* */
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__u32 rotate; /* angle we rotate counter clockwise */
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__u32 reserved[5]; /* Reserved for future compatibility */
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};
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struct fb_cmap {
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__u32 start; /* First entry */
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__u32 len; /* Number of entries */
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__u16 *red; /* Red values */
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__u16 *green;
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__u16 *blue;
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__u16 *transp; /* transparency, can be NULL */
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};
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struct fb_con2fbmap {
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__u32 console;
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__u32 framebuffer;
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};
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/* VESA Blanking Levels */
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#define VESA_NO_BLANKING 0
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#define VESA_VSYNC_SUSPEND 1
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#define VESA_HSYNC_SUSPEND 2
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#define VESA_POWERDOWN 3
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enum {
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/* screen: unblanked, hsync: on, vsync: on */
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FB_BLANK_UNBLANK = VESA_NO_BLANKING,
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/* screen: blanked, hsync: on, vsync: on */
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FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
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/* screen: blanked, hsync: on, vsync: off */
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FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
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/* screen: blanked, hsync: off, vsync: on */
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FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
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/* screen: blanked, hsync: off, vsync: off */
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FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
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};
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#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
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#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
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#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
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#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
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#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
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#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
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#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
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#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
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#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
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struct fb_vblank {
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__u32 flags; /* FB_VBLANK flags */
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__u32 count; /* counter of retraces since boot */
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__u32 vcount; /* current scanline position */
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__u32 hcount; /* current scandot position */
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__u32 reserved[4]; /* reserved for future compatibility */
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};
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/* Internal HW accel */
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#define ROP_COPY 0
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#define ROP_XOR 1
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struct fb_copyarea {
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__u32 dx;
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__u32 dy;
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__u32 width;
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__u32 height;
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__u32 sx;
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__u32 sy;
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};
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struct fb_fillrect {
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__u32 dx; /* screen-relative */
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__u32 dy;
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__u32 width;
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__u32 height;
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__u32 color;
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__u32 rop;
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};
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struct fb_image {
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__u32 dx; /* Where to place image */
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__u32 dy;
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__u32 width; /* Size of image */
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__u32 height;
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__u32 fg_color; /* Only used when a mono bitmap */
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__u32 bg_color;
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__u8 depth; /* Depth of the image */
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const char *data; /* Pointer to image data */
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struct fb_cmap cmap; /* color map info */
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};
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/*
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* hardware cursor control
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*/
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#define FB_CUR_SETIMAGE 0x01
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#define FB_CUR_SETPOS 0x02
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#define FB_CUR_SETHOT 0x04
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#define FB_CUR_SETCMAP 0x08
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#define FB_CUR_SETSHAPE 0x10
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#define FB_CUR_SETSIZE 0x20
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#define FB_CUR_SETALL 0xFF
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struct fbcurpos {
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__u16 x, y;
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};
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struct fb_cursor {
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__u16 set; /* what to set */
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__u16 enable; /* cursor on/off */
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__u16 rop; /* bitop operation */
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const char *mask; /* cursor mask bits */
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struct fbcurpos hot; /* cursor hot spot */
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struct fb_image image; /* Cursor image */
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};
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#ifdef __KERNEL__
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/tty.h>
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#include <linux/device.h>
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#include <linux/workqueue.h>
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#include <linux/devfs_fs_kernel.h>
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#include <linux/notifier.h>
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#include <linux/list.h>
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#include <asm/io.h>
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struct vm_area_struct;
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struct fb_info;
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struct device;
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struct file;
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/* Definitions below are used in the parsed monitor specs */
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#define FB_DPMS_ACTIVE_OFF 1
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#define FB_DPMS_SUSPEND 2
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#define FB_DPMS_STANDBY 4
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#define FB_DISP_DDI 1
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#define FB_DISP_ANA_700_300 2
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#define FB_DISP_ANA_714_286 4
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#define FB_DISP_ANA_1000_400 8
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#define FB_DISP_ANA_700_000 16
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#define FB_DISP_MONO 32
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#define FB_DISP_RGB 64
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#define FB_DISP_MULTI 128
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#define FB_DISP_UNKNOWN 256
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#define FB_SIGNAL_NONE 0
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#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
|
|
/* The resolution of the passed in fb_info about to change and
|
|
all vc's should be changed */
|
|
#define FB_EVENT_MODE_CHANGE_ALL 0x0A
|
|
|
|
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 (bits) */
|
|
u32 flags; /* see FB_PIXMAP_* */
|
|
/* access methods */
|
|
void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
|
|
void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
|
|
};
|
|
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/* set color registers in batch */
|
|
int (*fb_setcmap)(struct fb_cmap *cmap, 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_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
|
|
u32 height, u32 shift_high, u32 shift_low, u32 mod);
|
|
extern void fb_pad_aligned_buffer(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
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#define FB_MODE_IS_UNKNOWN 0
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#define FB_MODE_IS_DETAILED 1
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#define FB_MODE_IS_STANDARD 2
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#define FB_MODE_IS_VESA 4
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#define FB_MODE_IS_CALCULATED 8
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#define FB_MODE_IS_FIRST 16
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#define FB_MODE_IS_FROM_VAR 32
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extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
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const struct fb_info *fb_info);
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extern int fbmon_dpms(const struct fb_info *fb_info);
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extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
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struct fb_info *info);
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extern int fb_validate_mode(const struct fb_var_screeninfo *var,
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struct fb_info *info);
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extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
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extern const unsigned char *fb_firmware_edid(struct device *device);
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extern void fb_edid_to_monspecs(unsigned char *edid,
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struct fb_monspecs *specs);
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extern void fb_destroy_modedb(struct fb_videomode *modedb);
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/* drivers/video/modedb.c */
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#define VESA_MODEDB_SIZE 34
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extern void fb_var_to_videomode(struct fb_videomode *mode,
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struct fb_var_screeninfo *var);
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extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
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struct fb_videomode *mode);
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extern int fb_mode_is_equal(struct fb_videomode *mode1,
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struct fb_videomode *mode2);
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extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
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extern void fb_delete_videomode(struct fb_videomode *mode,
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struct list_head *head);
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extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
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struct list_head *head);
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extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
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struct list_head *head);
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extern struct fb_videomode *fb_find_nearest_mode(struct fb_var_screeninfo *var,
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struct list_head *head);
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extern void fb_destroy_modelist(struct list_head *head);
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extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
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struct list_head *head);
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/* drivers/video/fbcmap.c */
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extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
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extern void fb_dealloc_cmap(struct fb_cmap *cmap);
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extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
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extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
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extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
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extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
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extern struct fb_cmap *fb_default_cmap(int len);
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extern void fb_invert_cmaps(void);
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struct fb_videomode {
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const char *name; /* optional */
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u32 refresh; /* optional */
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u32 xres;
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u32 yres;
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u32 pixclock;
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u32 left_margin;
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u32 right_margin;
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u32 upper_margin;
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u32 lower_margin;
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u32 hsync_len;
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u32 vsync_len;
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u32 sync;
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u32 vmode;
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u32 flag;
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};
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extern const struct fb_videomode vesa_modes[];
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struct fb_modelist {
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struct list_head list;
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struct fb_videomode mode;
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};
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extern int fb_find_mode(struct fb_var_screeninfo *var,
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struct fb_info *info, const char *mode_option,
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const struct fb_videomode *db,
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unsigned int dbsize,
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const struct fb_videomode *default_mode,
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unsigned int default_bpp);
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#endif /* __KERNEL__ */
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#endif /* _LINUX_FB_H */
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