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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _LINUX_FB_H |
| 2 | #define _LINUX_FB_H |
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| 3 | |||
| 4 | #include <linux/tty.h> |
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| 5 | #include <linux/workqueue.h> |
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| 6 | #include <asm/types.h> |
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| 7 | #include <asm/io.h> |
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| 8 | |||
| 9 | /* Definitions of frame buffers */ |
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| 10 | |||
| 11 | #define FB_MAJOR 29 |
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| 12 | #define FB_MAX 32 /* sufficient for now */ |
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| 13 | |||
| 14 | /* ioctls |
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| 15 | 0x46 is 'F' */ |
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| 16 | #define FBIOGET_VSCREENINFO 0x4600 |
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| 17 | #define FBIOPUT_VSCREENINFO 0x4601 |
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| 18 | #define FBIOGET_FSCREENINFO 0x4602 |
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| 19 | #define FBIOGETCMAP 0x4604 |
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| 20 | #define FBIOPUTCMAP 0x4605 |
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| 21 | #define FBIOPAN_DISPLAY 0x4606 |
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| 22 | #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) |
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| 23 | /* 0x4607-0x460B are defined below */ |
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| 24 | /* #define FBIOGET_MONITORSPEC 0x460C */ |
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| 25 | /* #define FBIOPUT_MONITORSPEC 0x460D */ |
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| 26 | /* #define FBIOSWITCH_MONIBIT 0x460E */ |
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| 27 | #define FBIOGET_CON2FBMAP 0x460F |
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| 28 | #define FBIOPUT_CON2FBMAP 0x4610 |
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| 29 | #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ |
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| 30 | #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) |
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| 31 | #define FBIO_ALLOC 0x4613 |
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| 32 | #define FBIO_FREE 0x4614 |
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| 33 | #define FBIOGET_GLYPH 0x4615 |
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| 34 | #define FBIOGET_HWCINFO 0x4616 |
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| 35 | #define FBIOPUT_MODEINFO 0x4617 |
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| 36 | #define FBIOGET_DISPINFO 0x4618 |
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| 37 | |||
| 38 | |||
| 39 | #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ |
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| 40 | #define FB_TYPE_PLANES 1 /* Non interleaved planes */ |
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| 41 | #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ |
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| 42 | #define FB_TYPE_TEXT 3 /* Text/attributes */ |
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| 43 | #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ |
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| 44 | |||
| 45 | #define FB_AUX_TEXT_MDA 0 /* Monochrome text */ |
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| 46 | #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ |
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| 47 | #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ |
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| 48 | #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ |
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| 49 | #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ |
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| 50 | |||
| 51 | #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ |
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| 52 | #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ |
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| 53 | #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ |
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| 54 | |||
| 55 | #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ |
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| 56 | #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ |
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| 57 | #define FB_VISUAL_TRUECOLOR 2 /* True color */ |
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| 58 | #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ |
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| 59 | #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ |
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| 60 | #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ |
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| 61 | |||
| 62 | #define FB_ACCEL_NONE 0 /* no hardware accelerator */ |
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| 63 | #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ |
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| 64 | #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ |
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| 65 | #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ |
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| 66 | #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ |
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| 67 | #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ |
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| 68 | #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ |
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| 69 | #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ |
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| 70 | #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ |
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| 71 | #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ |
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| 72 | #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ |
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| 73 | #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ |
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| 74 | #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ |
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| 75 | #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ |
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| 76 | #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ |
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| 77 | #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ |
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| 78 | #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ |
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| 79 | #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ |
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| 80 | #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ |
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| 81 | #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ |
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| 82 | #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ |
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| 83 | #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ |
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| 84 | #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ |
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| 85 | #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ |
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| 86 | #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ |
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| 87 | #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ |
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| 88 | #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ |
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| 89 | #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ |
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| 90 | #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ |
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| 91 | #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ |
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| 92 | #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ |
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| 93 | #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ |
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| 94 | #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ |
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| 95 | #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ |
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| 96 | #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ |
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| 97 | #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ |
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| 98 | #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ |
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| 99 | #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ |
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| 100 | #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ |
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| 101 | #define FB_ACCEL_I810 39 /* Intel 810/815 */ |
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| 102 | #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ |
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| 103 | #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ |
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| 104 | |||
| 105 | #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ |
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| 106 | #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ |
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| 107 | #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ |
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| 108 | #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ |
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| 109 | #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ |
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| 110 | #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ |
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| 111 | #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ |
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| 112 | #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ |
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| 113 | #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ |
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| 114 | |||
| 115 | |||
| 116 | struct fb_fix_screeninfo { |
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| 117 | char id[16]; /* identification string eg "TT Builtin" */ |
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| 118 | unsigned long smem_start; /* Start of frame buffer mem */ |
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| 119 | /* (physical address) */ |
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| 120 | __u32 smem_len; /* Length of frame buffer mem */ |
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| 121 | __u32 type; /* see FB_TYPE_* */ |
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| 122 | __u32 type_aux; /* Interleave for interleaved Planes */ |
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| 123 | __u32 visual; /* see FB_VISUAL_* */ |
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| 124 | __u16 xpanstep; /* zero if no hardware panning */ |
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| 125 | __u16 ypanstep; /* zero if no hardware panning */ |
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| 126 | __u16 ywrapstep; /* zero if no hardware ywrap */ |
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| 127 | __u32 line_length; /* length of a line in bytes */ |
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| 128 | unsigned long mmio_start; /* Start of Memory Mapped I/O */ |
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| 129 | /* (physical address) */ |
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| 130 | __u32 mmio_len; /* Length of Memory Mapped I/O */ |
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| 131 | __u32 accel; /* Type of acceleration available */ |
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| 132 | __u16 reserved[3]; /* Reserved for future compatibility */ |
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| 133 | }; |
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| 134 | |||
| 135 | /* Interpretation of offset for color fields: All offsets are from the right, |
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| 136 | * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you |
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| 137 | * can use the offset as right argument to <<). A pixel afterwards is a bit |
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| 138 | * stream and is written to video memory as that unmodified. This implies |
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| 139 | * big-endian byte order if bits_per_pixel is greater than 8. |
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| 140 | */ |
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| 141 | struct fb_bitfield { |
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| 142 | __u32 offset; /* beginning of bitfield */ |
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| 143 | __u32 length; /* length of bitfield */ |
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| 144 | __u32 msb_right; /* != 0 : Most significant bit is */ |
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| 145 | /* right */ |
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| 146 | }; |
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| 147 | |||
| 148 | #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ |
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| 149 | |||
| 150 | #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ |
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| 151 | #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ |
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| 152 | #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ |
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| 153 | #define FB_ACTIVATE_MASK 15 |
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| 154 | /* values */ |
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| 155 | #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ |
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| 156 | #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ |
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| 157 | #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ |
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| 158 | |||
| 159 | #define FB_ACCELF_TEXT 1 /* text mode acceleration */ |
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| 160 | |||
| 161 | #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ |
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| 162 | #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ |
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| 163 | #define FB_SYNC_EXT 4 /* external sync */ |
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| 164 | #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ |
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| 165 | #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ |
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| 166 | /* vtotal = 144d/288n/576i => PAL */ |
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| 167 | /* vtotal = 121d/242n/484i => NTSC */ |
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| 168 | #define FB_SYNC_ON_GREEN 32 /* sync on green */ |
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| 169 | |||
| 170 | #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ |
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| 171 | #define FB_VMODE_INTERLACED 1 /* interlaced */ |
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| 172 | #define FB_VMODE_DOUBLE 2 /* double scan */ |
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| 173 | #define FB_VMODE_MASK 255 |
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| 174 | |||
| 175 | #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ |
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| 176 | #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ |
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| 177 | #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ |
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| 178 | |||
| 179 | #define PICOS2KHZ(a) (1000000000UL/(a)) |
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| 180 | #define KHZ2PICOS(a) (1000000000UL/(a)) |
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| 181 | |||
| 182 | struct fb_var_screeninfo { |
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| 183 | __u32 xres; /* visible resolution */ |
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| 184 | __u32 yres; |
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| 185 | __u32 xres_virtual; /* virtual resolution */ |
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| 186 | __u32 yres_virtual; |
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| 187 | __u32 xoffset; /* offset from virtual to visible */ |
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| 188 | __u32 yoffset; /* resolution */ |
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| 189 | |||
| 190 | __u32 bits_per_pixel; /* guess what */ |
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| 191 | __u32 grayscale; /* != 0 Graylevels instead of colors */ |
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| 192 | |||
| 193 | struct fb_bitfield red; /* bitfield in fb mem if true color, */ |
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| 194 | struct fb_bitfield green; /* else only length is significant */ |
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| 195 | struct fb_bitfield blue; |
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| 196 | struct fb_bitfield transp; /* transparency */ |
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| 197 | |||
| 198 | __u32 nonstd; /* != 0 Non standard pixel format */ |
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| 199 | |||
| 200 | __u32 activate; /* see FB_ACTIVATE_* */ |
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| 201 | |||
| 202 | __u32 height; /* height of picture in mm */ |
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| 203 | __u32 width; /* width of picture in mm */ |
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| 204 | |||
| 205 | __u32 accel_flags; /* acceleration flags (hints) */ |
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| 206 | |||
| 207 | /* Timing: All values in pixclocks, except pixclock (of course) */ |
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| 208 | __u32 pixclock; /* pixel clock in ps (pico seconds) */ |
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| 209 | __u32 left_margin; /* time from sync to picture */ |
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| 210 | __u32 right_margin; /* time from picture to sync */ |
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| 211 | __u32 upper_margin; /* time from sync to picture */ |
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| 212 | __u32 lower_margin; |
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| 213 | __u32 hsync_len; /* length of horizontal sync */ |
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| 214 | __u32 vsync_len; /* length of vertical sync */ |
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| 215 | __u32 sync; /* see FB_SYNC_* */ |
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| 216 | __u32 vmode; /* see FB_VMODE_* */ |
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| 217 | __u32 rotate; /* angle we rotate counter clockwise */ |
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| 218 | __u32 reserved[5]; /* Reserved for future compatibility */ |
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| 219 | }; |
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| 220 | |||
| 221 | struct fb_cmap { |
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| 222 | __u32 start; /* First entry */ |
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| 223 | __u32 len; /* Number of entries */ |
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| 224 | __u16 *red; /* Red values */ |
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| 225 | __u16 *green; |
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| 226 | __u16 *blue; |
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| 227 | __u16 *transp; /* transparency, can be NULL */ |
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| 228 | }; |
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| 229 | |||
| 230 | struct fb_con2fbmap { |
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| 231 | __u32 console; |
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| 232 | __u32 framebuffer; |
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| 233 | }; |
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| 234 | |||
| 235 | /* VESA Blanking Levels */ |
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| 236 | #define VESA_NO_BLANKING 0 |
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| 237 | #define VESA_VSYNC_SUSPEND 1 |
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| 238 | #define VESA_HSYNC_SUSPEND 2 |
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| 239 | #define VESA_POWERDOWN 3 |
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| 240 | |||
| 241 | struct fb_monspecs { |
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| 242 | __u32 hfmin; /* hfreq lower limit (Hz) */ |
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| 243 | __u32 hfmax; /* hfreq upper limit (Hz) */ |
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| 244 | __u16 vfmin; /* vfreq lower limit (Hz) */ |
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| 245 | __u16 vfmax; /* vfreq upper limit (Hz) */ |
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| 246 | __u32 dclkmin; /* pixelclock lower limit (Hz) */ |
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| 247 | __u32 dclkmax; /* pixelclock upper limit (Hz) */ |
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| 248 | unsigned gtf : 1; /* supports GTF */ |
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| 249 | unsigned dpms : 1; /* supports DPMS */ |
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| 250 | }; |
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| 251 | |||
| 252 | #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ |
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| 253 | #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ |
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| 254 | #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ |
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| 255 | #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ |
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| 256 | #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ |
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| 257 | #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ |
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| 258 | #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ |
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| 259 | #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ |
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| 260 | #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ |
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| 261 | |||
| 262 | struct fb_vblank { |
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| 263 | __u32 flags; /* FB_VBLANK flags */ |
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| 264 | __u32 count; /* counter of retraces since boot */ |
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| 265 | __u32 vcount; /* current scanline position */ |
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| 266 | __u32 hcount; /* current scandot position */ |
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| 267 | __u32 reserved[4]; /* reserved for future compatibility */ |
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| 268 | }; |
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| 269 | |||
| 270 | /* Internal HW accel */ |
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| 271 | #define ROP_COPY 0 |
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| 272 | #define ROP_XOR 1 |
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| 273 | |||
| 274 | struct fb_copyarea { |
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| 275 | __u32 dx; |
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| 276 | __u32 dy; |
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| 277 | __u32 width; |
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| 278 | __u32 height; |
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| 279 | __u32 sx; |
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| 280 | __u32 sy; |
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| 281 | }; |
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| 282 | |||
| 283 | struct fb_fillrect { |
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| 284 | __u32 dx; /* screen-relative */ |
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| 285 | __u32 dy; |
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| 286 | __u32 width; |
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| 287 | __u32 height; |
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| 288 | __u32 color; |
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| 289 | __u32 rop; |
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| 290 | }; |
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| 291 | |||
| 292 | struct fb_image { |
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| 293 | __u32 dx; /* Where to place image */ |
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| 294 | __u32 dy; |
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| 295 | __u32 width; /* Size of image */ |
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| 296 | __u32 height; |
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| 297 | __u32 fg_color; /* Only used when a mono bitmap */ |
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| 298 | __u32 bg_color; |
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| 299 | __u8 depth; /* Depth of the image */ |
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| 300 | const char *data; /* Pointer to image data */ |
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| 301 | struct fb_cmap cmap; /* color map info */ |
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| 302 | }; |
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| 303 | |||
| 304 | /* |
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| 305 | * hardware cursor control |
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| 306 | */ |
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| 307 | |||
| 308 | #define FB_CUR_SETCUR 0x01 |
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| 309 | #define FB_CUR_SETPOS 0x02 |
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| 310 | #define FB_CUR_SETHOT 0x04 |
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| 311 | #define FB_CUR_SETCMAP 0x08 |
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| 312 | #define FB_CUR_SETSHAPE 0x10 |
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| 313 | #define FB_CUR_SETSIZE 0x20 |
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| 314 | #define FB_CUR_SETALL 0xFF |
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| 315 | |||
| 316 | struct fbcurpos { |
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| 317 | __u16 x, y; |
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| 318 | }; |
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| 319 | |||
| 320 | struct fb_cursor { |
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| 321 | __u16 set; /* what to set */ |
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| 322 | __u16 enable; /* cursor on/off */ |
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| 323 | __u16 rop; /* bitop operation */ |
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| 324 | char *mask; /* cursor mask bits */ |
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| 325 | struct fbcurpos hot; /* cursor hot spot */ |
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| 326 | struct fb_image image; /* Cursor image */ |
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| 327 | }; |
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| 328 | |||
| 329 | #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ |
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| 330 | #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ |
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| 331 | #define FB_PIXMAP_IO 4 /* memory is iomapped */ |
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| 332 | #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ |
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| 333 | |||
| 334 | struct fb_pixmap { |
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| 335 | __u8 *addr; /* pointer to memory */ |
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| 336 | __u32 size; /* size of buffer in bytes */ |
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| 337 | __u32 offset; /* current offset to buffer */ |
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| 338 | __u32 buf_align; /* byte alignment of each bitmap */ |
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| 339 | __u32 scan_align; /* alignment per scanline */ |
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| 340 | __u32 flags; /* see FB_PIXMAP_* */ |
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| 341 | /* access methods */ |
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| 342 | void (*outbuf)(u8 *dst, u8 *addr, unsigned int size); |
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| 343 | u8 (*inbuf) (u8 *addr); |
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| 344 | spinlock_t lock; /* spinlock */ |
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| 345 | atomic_t count; |
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| 346 | }; |
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| 347 | #ifdef __KERNEL__ |
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| 348 | |||
| 349 | #include <linux/fs.h> |
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| 350 | #include <linux/init.h> |
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| 351 | |||
| 352 | struct fb_info; |
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| 353 | struct vm_area_struct; |
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| 354 | struct file; |
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| 355 | |||
| 356 | /* |
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| 357 | * Frame buffer operations |
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| 358 | */ |
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| 359 | |||
| 360 | struct fb_ops { |
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| 361 | /* open/release and usage marking */ |
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| 362 | struct module *owner; |
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| 363 | int (*fb_open)(struct fb_info *info, int user); |
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| 364 | int (*fb_release)(struct fb_info *info, int user); |
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| 365 | /* For framebuffers with strange non linear layouts */ |
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| 366 | ssize_t (*fb_read)(struct file *file, char *buf, size_t count, loff_t *ppos); |
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| 367 | ssize_t (*fb_write)(struct file *file, const char *buf, size_t count, loff_t *ppos); |
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| 368 | /* checks var and creates a par based on it */ |
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| 369 | int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); |
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| 370 | /* set the video mode according to par */ |
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| 371 | int (*fb_set_par)(struct fb_info *info); |
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| 372 | /* set color register */ |
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| 373 | int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, |
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| 374 | unsigned blue, unsigned transp, struct fb_info *info); |
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| 375 | /* blank display */ |
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| 376 | int (*fb_blank)(int blank, struct fb_info *info); |
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| 377 | /* pan display */ |
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| 378 | int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); |
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| 379 | /* draws a rectangle */ |
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| 380 | void (*fb_fillrect)(struct fb_info *info, const struct fb_fillrect *rect); |
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| 381 | /* Copy data from area to another */ |
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| 382 | void (*fb_copyarea)(struct fb_info *info,const struct fb_copyarea *region); |
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| 383 | /* Draws a image to the display */ |
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| 384 | void (*fb_imageblit)(struct fb_info *info, const struct fb_image *image); |
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| 385 | /* Draws cursor */ |
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| 386 | int (*fb_cursor)(struct fb_info *info, struct fb_cursor *cursor); |
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| 387 | /* Rotates the display */ |
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| 388 | void (*fb_rotate)(struct fb_info *info, int angle); |
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| 389 | /* wait for blit idle, optional */ |
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| 390 | int (*fb_sync)(struct fb_info *info); |
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| 391 | /* perform fb specific ioctl (optional) */ |
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| 392 | int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd, |
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| 393 | unsigned long arg, struct fb_info *info); |
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| 394 | /* perform fb specific mmap */ |
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| 395 | int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma); |
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| 396 | }; |
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| 397 | |||
| 398 | struct fb_info { |
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| 399 | int node; |
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| 400 | int flags; |
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| 401 | int open; /* Has this been open already ? */ |
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| 402 | #define FBINFO_FLAG_MODULE 1 /* Low-level driver is a module */ |
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| 403 | struct fb_var_screeninfo var; /* Current var */ |
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| 404 | struct fb_fix_screeninfo fix; /* Current fix */ |
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| 405 | struct fb_monspecs monspecs; /* Current Monitor specs */ |
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| 406 | struct fb_cursor cursor; /* Current cursor */ |
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| 407 | struct work_struct queue; /* Framebuffer event queue */ |
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| 408 | struct fb_pixmap pixmap; /* Current pixmap */ |
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| 409 | struct fb_cmap cmap; /* Current cmap */ |
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| 410 | struct fb_ops *fbops; |
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| 411 | char *screen_base; /* Virtual address */ |
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| 412 | struct vc_data *display_fg; /* Console visible on this display */ |
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| 413 | int currcon; /* Current VC. */ |
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| 414 | void *pseudo_palette; /* Fake palette of 16 colors */ |
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| 415 | /* From here on everything is device dependent */ |
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| 416 | void *par; |
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| 417 | }; |
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| 418 | |||
| 419 | #ifdef MODULE |
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| 420 | #define FBINFO_FLAG_DEFAULT FBINFO_FLAG_MODULE |
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| 421 | #else |
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| 422 | #define FBINFO_FLAG_DEFAULT 0 |
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| 423 | #endif |
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| 424 | |||
| 425 | #if defined(__sparc__) |
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| 426 | |||
| 427 | /* We map all of our framebuffers such that big-endian accesses |
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| 428 | * are what we want, so the following is sufficient. |
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| 429 | */ |
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| 430 | |||
| 431 | #define fb_readb sbus_readb |
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| 432 | #define fb_readw sbus_readw |
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| 433 | #define fb_readl sbus_readl |
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| 434 | #define fb_readq sbus_readq |
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| 435 | #define fb_writeb sbus_writeb |
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| 436 | #define fb_writew sbus_writew |
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| 437 | #define fb_writel sbus_writel |
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| 438 | #define fb_writeq sbus_writeq |
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| 439 | #define fb_memset sbus_memset_io |
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| 440 | |||
| 441 | #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) |
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| 442 | |||
| 443 | #define fb_readb __raw_readb |
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| 444 | #define fb_readw __raw_readw |
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| 445 | #define fb_readl __raw_readl |
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| 446 | #define fb_readq __raw_readq |
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| 447 | #define fb_writeb __raw_writeb |
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| 448 | #define fb_writew __raw_writew |
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| 449 | #define fb_writel __raw_writel |
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| 450 | #define fb_writeq __raw_writeq |
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| 451 | #define fb_memset memset_io |
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| 452 | |||
| 453 | #else |
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| 454 | |||
| 455 | #define fb_readb(addr) (*(volatile u8 *) (addr)) |
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| 456 | #define fb_readw(addr) (*(volatile u16 *) (addr)) |
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| 457 | #define fb_readl(addr) (*(volatile u32 *) (addr)) |
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| 458 | #define fb_readq(addr) (*(volatile u64 *) (addr)) |
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| 459 | #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) |
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| 460 | #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) |
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| 461 | #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) |
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| 462 | #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) |
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| 463 | #define fb_memset memset |
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| 464 | |||
| 465 | #endif |
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| 466 | |||
| 467 | /* |
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| 468 | * `Generic' versions of the frame buffer device operations |
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| 469 | */ |
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| 470 | |||
| 471 | extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); |
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| 472 | extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); |
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| 473 | extern int fb_blank(struct fb_info *info, int blank); |
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| 474 | extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor); |
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| 475 | extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); |
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| 476 | extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); |
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| 477 | extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); |
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| 478 | |||
| 479 | /* drivers/video/fbmem.c */ |
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| 480 | extern int register_framebuffer(struct fb_info *fb_info); |
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| 481 | extern int unregister_framebuffer(struct fb_info *fb_info); |
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| 482 | extern int fb_prepare_logo(struct fb_info *fb_info); |
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| 483 | extern int fb_show_logo(struct fb_info *fb_info); |
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| 484 | extern u32 fb_get_buffer_offset(struct fb_info *info, u32 size); |
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| 485 | extern void move_buf_unaligned(struct fb_info *info, u8 *dst, u8 *src, u32 d_pitch, |
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| 486 | u32 height, u32 mask, u32 shift_high, u32 shift_low, |
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| 487 | u32 mod, u32 idx); |
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| 488 | extern void move_buf_aligned(struct fb_info *info, u8 *dst, u8 *src, u32 d_pitch, |
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| 489 | u32 s_pitch, u32 height); |
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| 490 | extern struct fb_info *registered_fb[FB_MAX]; |
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| 491 | extern int num_registered_fb; |
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| 492 | |||
| 493 | /* drivers/video/fbmon.c */ |
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| 494 | #define FB_MAXTIMINGS 0 |
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| 495 | #define FB_VSYNCTIMINGS 1 |
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| 496 | #define FB_HSYNCTIMINGS 2 |
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| 497 | #define FB_DCLKTIMINGS 3 |
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| 498 | #define FB_IGNOREMON 0x100 |
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| 499 | |||
| 500 | extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal, |
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| 501 | const struct fb_info *fb_info); |
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| 502 | extern int fbmon_dpms(const struct fb_info *fb_info); |
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| 503 | extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, |
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| 504 | struct fb_info *info); |
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| 505 | extern int fb_validate_mode(struct fb_var_screeninfo *var, |
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| 506 | struct fb_info *info); |
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| 507 | extern int parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); |
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| 508 | extern int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs); |
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| 509 | extern struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize); |
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| 510 | extern void fb_destroy_modedb(struct fb_videomode *modedb); |
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| 511 | extern void show_edid(unsigned char *edid); |
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| 512 | |||
| 513 | /* drivers/video/modedb.c */ |
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| 514 | #define VESA_MODEDB_SIZE 34 |
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| 515 | |||
| 516 | /* drivers/video/fbcmap.c */ |
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| 517 | extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); |
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| 518 | extern void fb_dealloc_cmap(struct fb_cmap *cmap); |
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| 519 | extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to, |
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| 520 | int fsfromto); |
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| 521 | extern int fb_set_cmap(struct fb_cmap *cmap, int kspc, struct fb_info *fb_info); |
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| 522 | extern struct fb_cmap *fb_default_cmap(int len); |
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| 523 | extern void fb_invert_cmaps(void); |
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| 524 | |||
| 525 | struct fb_videomode { |
||
| 526 | const char *name; /* optional */ |
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| 527 | u32 refresh; /* optional */ |
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| 528 | u32 xres; |
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| 529 | u32 yres; |
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| 530 | u32 pixclock; |
||
| 531 | u32 left_margin; |
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| 532 | u32 right_margin; |
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| 533 | u32 upper_margin; |
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| 534 | u32 lower_margin; |
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| 535 | u32 hsync_len; |
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| 536 | u32 vsync_len; |
||
| 537 | u32 sync; |
||
| 538 | u32 vmode; |
||
| 539 | }; |
||
| 540 | |||
| 1056 | tullio | 541 | // moved here for gcc4 compatibility |
| 542 | extern const struct fb_videomode vesa_modes[]; |
||
| 543 | |||
| 422 | giacomo | 544 | #ifdef MODULE |
| 545 | static inline int fb_find_mode(struct fb_var_screeninfo *var, |
||
| 546 | struct fb_info *info, const char *mode_option, |
||
| 547 | const struct fb_videomode *db, |
||
| 548 | unsigned int dbsize, |
||
| 549 | const struct fb_videomode *default_mode, |
||
| 550 | unsigned int default_bpp) |
||
| 551 | { |
||
| 552 | extern int __fb_try_mode(struct fb_var_screeninfo *var, |
||
| 553 | struct fb_info *info, |
||
| 554 | const struct fb_videomode *mode, |
||
| 555 | unsigned int bpp); |
||
| 556 | /* |
||
| 557 | * FIXME: How to make the compiler optimize vga640x400 away if |
||
| 558 | * default_mode is non-NULL? |
||
| 559 | */ |
||
| 560 | static const struct fb_videomode vga640x400 = { |
||
| 561 | /* 640x400 @ 70 Hz, 31.5 kHz hsync */ |
||
| 562 | NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2, |
||
| 563 | 0, FB_VMODE_NONINTERLACED |
||
| 564 | }; |
||
| 565 | if (!default_mode) |
||
| 566 | default_mode = &vga640x400; |
||
| 567 | if (!default_bpp) |
||
| 568 | default_bpp = 8; |
||
| 569 | return __fb_try_mode(var, info, default_mode, default_bpp); |
||
| 570 | } |
||
| 571 | #else |
||
| 572 | extern int __init fb_find_mode(struct fb_var_screeninfo *var, |
||
| 573 | struct fb_info *info, const char *mode_option, |
||
| 574 | const struct fb_videomode *db, |
||
| 575 | unsigned int dbsize, |
||
| 576 | const struct fb_videomode *default_mode, |
||
| 577 | unsigned int default_bpp); |
||
| 578 | #endif |
||
| 579 | |||
| 580 | #endif /* __KERNEL__ */ |
||
| 581 | |||
| 582 | #endif /* _LINUX_FB_H */ |