Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_FB_H |
| 2 | #define _LINUX_FB_H |
| 3 | |
Jaswinder Singh Rajput | 00bfdda | 2009-01-15 13:51:26 -0800 | [diff] [blame] | 4 | #include <linux/types.h> |
Dennis Munsie | fc5891c | 2006-10-03 01:14:42 -0700 | [diff] [blame] | 5 | #include <linux/i2c.h> |
Jesse Barnes | d219adc | 2010-08-02 12:05:41 -0700 | [diff] [blame] | 6 | #ifdef __KERNEL__ |
| 7 | #include <linux/kgdb.h> |
| 8 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | |
| 10 | /* Definitions of frame buffers */ |
| 11 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | #define FB_MAX 32 /* sufficient for now */ |
| 13 | |
| 14 | /* ioctls |
| 15 | 0x46 is 'F' */ |
| 16 | #define FBIOGET_VSCREENINFO 0x4600 |
| 17 | #define FBIOPUT_VSCREENINFO 0x4601 |
| 18 | #define FBIOGET_FSCREENINFO 0x4602 |
| 19 | #define FBIOGETCMAP 0x4604 |
| 20 | #define FBIOPUTCMAP 0x4605 |
| 21 | #define FBIOPAN_DISPLAY 0x4606 |
| 22 | #ifdef __KERNEL__ |
| 23 | #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) |
| 24 | #else |
| 25 | #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) |
| 26 | #endif |
| 27 | /* 0x4607-0x460B are defined below */ |
| 28 | /* #define FBIOGET_MONITORSPEC 0x460C */ |
| 29 | /* #define FBIOPUT_MONITORSPEC 0x460D */ |
| 30 | /* #define FBIOSWITCH_MONIBIT 0x460E */ |
| 31 | #define FBIOGET_CON2FBMAP 0x460F |
| 32 | #define FBIOPUT_CON2FBMAP 0x4610 |
| 33 | #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ |
| 34 | #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) |
| 35 | #define FBIO_ALLOC 0x4613 |
| 36 | #define FBIO_FREE 0x4614 |
| 37 | #define FBIOGET_GLYPH 0x4615 |
| 38 | #define FBIOGET_HWCINFO 0x4616 |
| 39 | #define FBIOPUT_MODEINFO 0x4617 |
| 40 | #define FBIOGET_DISPINFO 0x4618 |
Grazvydas Ignotas | 49c39b4 | 2010-05-24 14:34:02 -0700 | [diff] [blame] | 41 | #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ |
| 44 | #define FB_TYPE_PLANES 1 /* Non interleaved planes */ |
| 45 | #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ |
| 46 | #define FB_TYPE_TEXT 3 /* Text/attributes */ |
| 47 | #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ |
| 48 | |
| 49 | #define FB_AUX_TEXT_MDA 0 /* Monochrome text */ |
| 50 | #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ |
| 51 | #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ |
| 52 | #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ |
| 53 | #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ |
Ondrej Zajicek | a268422 | 2007-02-12 00:54:49 -0800 | [diff] [blame] | 54 | #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ |
| 55 | #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ |
| 56 | #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ |
| 57 | #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ |
| 58 | #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ |
| 59 | #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ |
| 60 | #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
| 62 | #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ |
| 63 | #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ |
| 64 | #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ |
| 65 | |
| 66 | #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ |
| 67 | #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ |
| 68 | #define FB_VISUAL_TRUECOLOR 2 /* True color */ |
| 69 | #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ |
| 70 | #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ |
| 71 | #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ |
| 72 | |
| 73 | #define FB_ACCEL_NONE 0 /* no hardware accelerator */ |
| 74 | #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ |
| 75 | #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ |
| 76 | #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ |
| 77 | #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ |
| 78 | #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ |
| 79 | #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ |
| 80 | #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ |
| 81 | #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ |
| 82 | #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ |
| 83 | #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ |
| 84 | #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ |
| 85 | #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ |
| 86 | #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ |
| 87 | #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ |
| 88 | #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ |
| 89 | #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ |
| 90 | #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ |
| 91 | #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ |
| 92 | #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ |
| 93 | #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ |
| 94 | #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ |
| 95 | #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ |
| 96 | #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ |
| 97 | #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ |
| 98 | #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ |
| 99 | #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ |
| 100 | #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ |
| 101 | #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ |
| 102 | #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ |
| 103 | #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ |
| 104 | #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ |
| 105 | #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ |
| 106 | #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ |
| 107 | #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ |
| 108 | #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ |
| 109 | #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ |
| 110 | #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ |
| 111 | #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ |
| 112 | #define FB_ACCEL_I810 39 /* Intel 810/815 */ |
| 113 | #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ |
| 114 | #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ |
| 115 | #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ |
| 116 | #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ |
| 117 | #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ |
| 118 | #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ |
| 119 | #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ |
Thomas Winischhofer | 544393f | 2005-09-09 13:04:45 -0700 | [diff] [blame] | 120 | #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ |
| 121 | #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ |
Imre Deak | fe0e3a9 | 2007-07-17 04:05:55 -0700 | [diff] [blame] | 122 | #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ |
Krzysztof Helt | 01a2d9e | 2008-07-23 21:31:04 -0700 | [diff] [blame] | 123 | #define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ |
| 124 | #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ |
| 125 | #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ |
| 126 | #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ |
Krzysztof Helt | 614c0dc | 2009-03-31 15:25:15 -0700 | [diff] [blame] | 127 | #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ |
| 129 | #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ |
| 130 | #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ |
| 131 | #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ |
| 132 | #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ |
| 133 | #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ |
| 134 | #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ |
| 135 | #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ |
| 136 | #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ |
Daniel Mack | 52a7a1c | 2009-09-10 15:26:30 +0200 | [diff] [blame] | 137 | #define FB_ACCEL_PXA3XX 99 /* PXA3xx */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
| 139 | #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ |
| 140 | #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ |
| 141 | #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ |
| 142 | #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ |
| 143 | #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ |
| 144 | #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ |
| 145 | #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ |
| 146 | #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ |
| 147 | #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ |
| 148 | #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ |
| 149 | #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ |
| 150 | #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ |
| 151 | #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ |
| 152 | #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ |
| 153 | #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ |
| 154 | |
GuanXuetao | ce443ab | 2011-02-26 21:39:10 +0800 | [diff] [blame] | 155 | #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */ |
| 156 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | struct fb_fix_screeninfo { |
| 158 | char id[16]; /* identification string eg "TT Builtin" */ |
| 159 | unsigned long smem_start; /* Start of frame buffer mem */ |
| 160 | /* (physical address) */ |
| 161 | __u32 smem_len; /* Length of frame buffer mem */ |
| 162 | __u32 type; /* see FB_TYPE_* */ |
| 163 | __u32 type_aux; /* Interleave for interleaved Planes */ |
| 164 | __u32 visual; /* see FB_VISUAL_* */ |
| 165 | __u16 xpanstep; /* zero if no hardware panning */ |
| 166 | __u16 ypanstep; /* zero if no hardware panning */ |
| 167 | __u16 ywrapstep; /* zero if no hardware ywrap */ |
| 168 | __u32 line_length; /* length of a line in bytes */ |
| 169 | unsigned long mmio_start; /* Start of Memory Mapped I/O */ |
| 170 | /* (physical address) */ |
| 171 | __u32 mmio_len; /* Length of Memory Mapped I/O */ |
| 172 | __u32 accel; /* Indicate to driver which */ |
| 173 | /* specific chip/card we have */ |
| 174 | __u16 reserved[3]; /* Reserved for future compatibility */ |
| 175 | }; |
| 176 | |
| 177 | /* Interpretation of offset for color fields: All offsets are from the right, |
| 178 | * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you |
| 179 | * can use the offset as right argument to <<). A pixel afterwards is a bit |
Michal Januszewski | ebde441 | 2009-04-13 14:39:41 -0700 | [diff] [blame] | 180 | * stream and is written to video memory as that unmodified. |
| 181 | * |
| 182 | * For pseudocolor: offset and length should be the same for all color |
| 183 | * components. Offset specifies the position of the least significant bit |
| 184 | * of the pallette index in a pixel value. Length indicates the number |
| 185 | * of available palette entries (i.e. # of entries = 1 << length). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | */ |
| 187 | struct fb_bitfield { |
| 188 | __u32 offset; /* beginning of bitfield */ |
| 189 | __u32 length; /* length of bitfield */ |
| 190 | __u32 msb_right; /* != 0 : Most significant bit is */ |
| 191 | /* right */ |
| 192 | }; |
| 193 | |
| 194 | #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ |
Pavel Pisa | 779121e | 2007-10-16 01:29:21 -0700 | [diff] [blame] | 195 | #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | |
| 197 | #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ |
| 198 | #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ |
| 199 | #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ |
| 200 | #define FB_ACTIVATE_MASK 15 |
| 201 | /* values */ |
| 202 | #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ |
| 203 | #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ |
| 204 | #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ |
| 205 | #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ |
| 206 | #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ |
| 207 | |
| 208 | #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ |
| 209 | |
| 210 | #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ |
| 211 | #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ |
| 212 | #define FB_SYNC_EXT 4 /* external sync */ |
| 213 | #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ |
| 214 | #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ |
| 215 | /* vtotal = 144d/288n/576i => PAL */ |
| 216 | /* vtotal = 121d/242n/484i => NTSC */ |
| 217 | #define FB_SYNC_ON_GREEN 32 /* sync on green */ |
| 218 | |
| 219 | #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ |
| 220 | #define FB_VMODE_INTERLACED 1 /* interlaced */ |
| 221 | #define FB_VMODE_DOUBLE 2 /* double scan */ |
Krzysztof Halasa | 394d3af | 2007-10-16 01:29:34 -0700 | [diff] [blame] | 222 | #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | #define FB_VMODE_MASK 255 |
| 224 | |
| 225 | #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ |
| 226 | #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ |
| 227 | #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ |
| 228 | |
Antonino A. Daplas | e4fc276 | 2005-11-08 21:39:09 -0800 | [diff] [blame] | 229 | /* |
| 230 | * Display rotation support |
| 231 | */ |
| 232 | #define FB_ROTATE_UR 0 |
| 233 | #define FB_ROTATE_CW 1 |
| 234 | #define FB_ROTATE_UD 2 |
| 235 | #define FB_ROTATE_CCW 3 |
| 236 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | #define PICOS2KHZ(a) (1000000000UL/(a)) |
| 238 | #define KHZ2PICOS(a) (1000000000UL/(a)) |
| 239 | |
| 240 | struct fb_var_screeninfo { |
| 241 | __u32 xres; /* visible resolution */ |
| 242 | __u32 yres; |
| 243 | __u32 xres_virtual; /* virtual resolution */ |
| 244 | __u32 yres_virtual; |
| 245 | __u32 xoffset; /* offset from virtual to visible */ |
| 246 | __u32 yoffset; /* resolution */ |
| 247 | |
| 248 | __u32 bits_per_pixel; /* guess what */ |
| 249 | __u32 grayscale; /* != 0 Graylevels instead of colors */ |
| 250 | |
| 251 | struct fb_bitfield red; /* bitfield in fb mem if true color, */ |
| 252 | struct fb_bitfield green; /* else only length is significant */ |
| 253 | struct fb_bitfield blue; |
| 254 | struct fb_bitfield transp; /* transparency */ |
| 255 | |
| 256 | __u32 nonstd; /* != 0 Non standard pixel format */ |
| 257 | |
| 258 | __u32 activate; /* see FB_ACTIVATE_* */ |
| 259 | |
| 260 | __u32 height; /* height of picture in mm */ |
| 261 | __u32 width; /* width of picture in mm */ |
| 262 | |
| 263 | __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ |
| 264 | |
| 265 | /* Timing: All values in pixclocks, except pixclock (of course) */ |
| 266 | __u32 pixclock; /* pixel clock in ps (pico seconds) */ |
| 267 | __u32 left_margin; /* time from sync to picture */ |
| 268 | __u32 right_margin; /* time from picture to sync */ |
| 269 | __u32 upper_margin; /* time from sync to picture */ |
| 270 | __u32 lower_margin; |
| 271 | __u32 hsync_len; /* length of horizontal sync */ |
| 272 | __u32 vsync_len; /* length of vertical sync */ |
| 273 | __u32 sync; /* see FB_SYNC_* */ |
| 274 | __u32 vmode; /* see FB_VMODE_* */ |
| 275 | __u32 rotate; /* angle we rotate counter clockwise */ |
| 276 | __u32 reserved[5]; /* Reserved for future compatibility */ |
| 277 | }; |
| 278 | |
| 279 | struct fb_cmap { |
| 280 | __u32 start; /* First entry */ |
| 281 | __u32 len; /* Number of entries */ |
| 282 | __u16 *red; /* Red values */ |
| 283 | __u16 *green; |
| 284 | __u16 *blue; |
| 285 | __u16 *transp; /* transparency, can be NULL */ |
| 286 | }; |
| 287 | |
| 288 | struct fb_con2fbmap { |
| 289 | __u32 console; |
| 290 | __u32 framebuffer; |
| 291 | }; |
| 292 | |
| 293 | /* VESA Blanking Levels */ |
| 294 | #define VESA_NO_BLANKING 0 |
| 295 | #define VESA_VSYNC_SUSPEND 1 |
| 296 | #define VESA_HSYNC_SUSPEND 2 |
| 297 | #define VESA_POWERDOWN 3 |
| 298 | |
| 299 | |
| 300 | enum { |
| 301 | /* screen: unblanked, hsync: on, vsync: on */ |
| 302 | FB_BLANK_UNBLANK = VESA_NO_BLANKING, |
| 303 | |
| 304 | /* screen: blanked, hsync: on, vsync: on */ |
| 305 | FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, |
| 306 | |
| 307 | /* screen: blanked, hsync: on, vsync: off */ |
| 308 | FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, |
| 309 | |
| 310 | /* screen: blanked, hsync: off, vsync: on */ |
| 311 | FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, |
| 312 | |
| 313 | /* screen: blanked, hsync: off, vsync: off */ |
| 314 | FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 |
| 315 | }; |
| 316 | |
| 317 | #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ |
| 318 | #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ |
| 319 | #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ |
| 320 | #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ |
| 321 | #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ |
| 322 | #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ |
| 323 | #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ |
| 324 | #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ |
| 325 | #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ |
| 326 | |
| 327 | struct fb_vblank { |
| 328 | __u32 flags; /* FB_VBLANK flags */ |
| 329 | __u32 count; /* counter of retraces since boot */ |
| 330 | __u32 vcount; /* current scanline position */ |
| 331 | __u32 hcount; /* current scandot position */ |
| 332 | __u32 reserved[4]; /* reserved for future compatibility */ |
| 333 | }; |
| 334 | |
| 335 | /* Internal HW accel */ |
| 336 | #define ROP_COPY 0 |
| 337 | #define ROP_XOR 1 |
| 338 | |
| 339 | struct fb_copyarea { |
| 340 | __u32 dx; |
| 341 | __u32 dy; |
| 342 | __u32 width; |
| 343 | __u32 height; |
| 344 | __u32 sx; |
| 345 | __u32 sy; |
| 346 | }; |
| 347 | |
| 348 | struct fb_fillrect { |
| 349 | __u32 dx; /* screen-relative */ |
| 350 | __u32 dy; |
| 351 | __u32 width; |
| 352 | __u32 height; |
| 353 | __u32 color; |
| 354 | __u32 rop; |
| 355 | }; |
| 356 | |
| 357 | struct fb_image { |
| 358 | __u32 dx; /* Where to place image */ |
| 359 | __u32 dy; |
| 360 | __u32 width; /* Size of image */ |
| 361 | __u32 height; |
| 362 | __u32 fg_color; /* Only used when a mono bitmap */ |
| 363 | __u32 bg_color; |
| 364 | __u8 depth; /* Depth of the image */ |
| 365 | const char *data; /* Pointer to image data */ |
| 366 | struct fb_cmap cmap; /* color map info */ |
| 367 | }; |
| 368 | |
| 369 | /* |
| 370 | * hardware cursor control |
| 371 | */ |
| 372 | |
| 373 | #define FB_CUR_SETIMAGE 0x01 |
| 374 | #define FB_CUR_SETPOS 0x02 |
| 375 | #define FB_CUR_SETHOT 0x04 |
| 376 | #define FB_CUR_SETCMAP 0x08 |
| 377 | #define FB_CUR_SETSHAPE 0x10 |
| 378 | #define FB_CUR_SETSIZE 0x20 |
| 379 | #define FB_CUR_SETALL 0xFF |
| 380 | |
| 381 | struct fbcurpos { |
| 382 | __u16 x, y; |
| 383 | }; |
| 384 | |
| 385 | struct fb_cursor { |
| 386 | __u16 set; /* what to set */ |
| 387 | __u16 enable; /* cursor on/off */ |
| 388 | __u16 rop; /* bitop operation */ |
| 389 | const char *mask; /* cursor mask bits */ |
| 390 | struct fbcurpos hot; /* cursor hot spot */ |
| 391 | struct fb_image image; /* Cursor image */ |
| 392 | }; |
| 393 | |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 394 | #ifdef CONFIG_FB_BACKLIGHT |
| 395 | /* Settings for the generic backlight code */ |
| 396 | #define FB_BACKLIGHT_LEVELS 128 |
| 397 | #define FB_BACKLIGHT_MAX 0xFF |
| 398 | #endif |
| 399 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | #ifdef __KERNEL__ |
| 401 | |
| 402 | #include <linux/fs.h> |
| 403 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | #include <linux/device.h> |
| 405 | #include <linux/workqueue.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | #include <linux/notifier.h> |
| 407 | #include <linux/list.h> |
Michal Januszewski | 2b25742 | 2006-08-13 23:24:26 -0700 | [diff] [blame] | 408 | #include <linux/backlight.h> |
Marcin Slusarz | 1471ca9 | 2010-05-16 17:27:03 +0200 | [diff] [blame] | 409 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | #include <asm/io.h> |
| 411 | |
| 412 | struct vm_area_struct; |
| 413 | struct fb_info; |
| 414 | struct device; |
| 415 | struct file; |
| 416 | |
| 417 | /* Definitions below are used in the parsed monitor specs */ |
| 418 | #define FB_DPMS_ACTIVE_OFF 1 |
| 419 | #define FB_DPMS_SUSPEND 2 |
| 420 | #define FB_DPMS_STANDBY 4 |
| 421 | |
| 422 | #define FB_DISP_DDI 1 |
| 423 | #define FB_DISP_ANA_700_300 2 |
| 424 | #define FB_DISP_ANA_714_286 4 |
| 425 | #define FB_DISP_ANA_1000_400 8 |
| 426 | #define FB_DISP_ANA_700_000 16 |
| 427 | |
| 428 | #define FB_DISP_MONO 32 |
| 429 | #define FB_DISP_RGB 64 |
| 430 | #define FB_DISP_MULTI 128 |
| 431 | #define FB_DISP_UNKNOWN 256 |
| 432 | |
| 433 | #define FB_SIGNAL_NONE 0 |
| 434 | #define FB_SIGNAL_BLANK_BLANK 1 |
| 435 | #define FB_SIGNAL_SEPARATE 2 |
| 436 | #define FB_SIGNAL_COMPOSITE 4 |
| 437 | #define FB_SIGNAL_SYNC_ON_GREEN 8 |
| 438 | #define FB_SIGNAL_SERRATION_ON 16 |
| 439 | |
| 440 | #define FB_MISC_PRIM_COLOR 1 |
| 441 | #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ |
| 442 | struct fb_chroma { |
| 443 | __u32 redx; /* in fraction of 1024 */ |
| 444 | __u32 greenx; |
| 445 | __u32 bluex; |
| 446 | __u32 whitex; |
| 447 | __u32 redy; |
| 448 | __u32 greeny; |
| 449 | __u32 bluey; |
| 450 | __u32 whitey; |
| 451 | }; |
| 452 | |
| 453 | struct fb_monspecs { |
| 454 | struct fb_chroma chroma; |
| 455 | struct fb_videomode *modedb; /* mode database */ |
| 456 | __u8 manufacturer[4]; /* Manufacturer */ |
| 457 | __u8 monitor[14]; /* Monitor String */ |
| 458 | __u8 serial_no[14]; /* Serial Number */ |
| 459 | __u8 ascii[14]; /* ? */ |
| 460 | __u32 modedb_len; /* mode database length */ |
| 461 | __u32 model; /* Monitor Model */ |
| 462 | __u32 serial; /* Serial Number - Integer */ |
| 463 | __u32 year; /* Year manufactured */ |
| 464 | __u32 week; /* Week Manufactured */ |
| 465 | __u32 hfmin; /* hfreq lower limit (Hz) */ |
| 466 | __u32 hfmax; /* hfreq upper limit (Hz) */ |
| 467 | __u32 dclkmin; /* pixelclock lower limit (Hz) */ |
| 468 | __u32 dclkmax; /* pixelclock upper limit (Hz) */ |
| 469 | __u16 input; /* display type - see FB_DISP_* */ |
| 470 | __u16 dpms; /* DPMS support - see FB_DPMS_ */ |
| 471 | __u16 signal; /* Signal Type - see FB_SIGNAL_* */ |
| 472 | __u16 vfmin; /* vfreq lower limit (Hz) */ |
| 473 | __u16 vfmax; /* vfreq upper limit (Hz) */ |
| 474 | __u16 gamma; /* Gamma - in fractions of 100 */ |
| 475 | __u16 gtf : 1; /* supports GTF */ |
| 476 | __u16 misc; /* Misc flags - see FB_MISC_* */ |
| 477 | __u8 version; /* EDID version... */ |
| 478 | __u8 revision; /* ...and revision */ |
| 479 | __u8 max_x; /* Maximum horizontal size (cm) */ |
| 480 | __u8 max_y; /* Maximum vertical size (cm) */ |
| 481 | }; |
| 482 | |
| 483 | struct fb_cmap_user { |
| 484 | __u32 start; /* First entry */ |
| 485 | __u32 len; /* Number of entries */ |
| 486 | __u16 __user *red; /* Red values */ |
| 487 | __u16 __user *green; |
| 488 | __u16 __user *blue; |
| 489 | __u16 __user *transp; /* transparency, can be NULL */ |
| 490 | }; |
| 491 | |
| 492 | struct fb_image_user { |
| 493 | __u32 dx; /* Where to place image */ |
| 494 | __u32 dy; |
| 495 | __u32 width; /* Size of image */ |
| 496 | __u32 height; |
| 497 | __u32 fg_color; /* Only used when a mono bitmap */ |
| 498 | __u32 bg_color; |
| 499 | __u8 depth; /* Depth of the image */ |
| 500 | const char __user *data; /* Pointer to image data */ |
| 501 | struct fb_cmap_user cmap; /* color map info */ |
| 502 | }; |
| 503 | |
| 504 | struct fb_cursor_user { |
| 505 | __u16 set; /* what to set */ |
| 506 | __u16 enable; /* cursor on/off */ |
| 507 | __u16 rop; /* bitop operation */ |
| 508 | const char __user *mask; /* cursor mask bits */ |
| 509 | struct fbcurpos hot; /* cursor hot spot */ |
| 510 | struct fb_image_user image; /* Cursor image */ |
| 511 | }; |
| 512 | |
| 513 | /* |
| 514 | * Register/unregister for framebuffer events |
| 515 | */ |
| 516 | |
| 517 | /* The resolution of the passed in fb_info about to change */ |
| 518 | #define FB_EVENT_MODE_CHANGE 0x01 |
| 519 | /* The display on this fb_info is beeing suspended, no access to the |
| 520 | * framebuffer is allowed any more after that call returns |
| 521 | */ |
| 522 | #define FB_EVENT_SUSPEND 0x02 |
| 523 | /* The display on this fb_info was resumed, you can restore the display |
| 524 | * if you own it |
| 525 | */ |
| 526 | #define FB_EVENT_RESUME 0x03 |
| 527 | /* An entry from the modelist was removed */ |
| 528 | #define FB_EVENT_MODE_DELETE 0x04 |
| 529 | /* A driver registered itself */ |
| 530 | #define FB_EVENT_FB_REGISTERED 0x05 |
Antonino A. Daplas | e614b18 | 2006-06-26 00:27:09 -0700 | [diff] [blame] | 531 | /* A driver unregistered itself */ |
| 532 | #define FB_EVENT_FB_UNREGISTERED 0x06 |
Antonino A. Daplas | e4fc276 | 2005-11-08 21:39:09 -0800 | [diff] [blame] | 533 | /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ |
Antonino A. Daplas | e614b18 | 2006-06-26 00:27:09 -0700 | [diff] [blame] | 534 | #define FB_EVENT_GET_CONSOLE_MAP 0x07 |
Antonino A. Daplas | e4fc276 | 2005-11-08 21:39:09 -0800 | [diff] [blame] | 535 | /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ |
Antonino A. Daplas | e614b18 | 2006-06-26 00:27:09 -0700 | [diff] [blame] | 536 | #define FB_EVENT_SET_CONSOLE_MAP 0x08 |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 537 | /* A hardware display blank change occurred */ |
Antonino A. Daplas | e614b18 | 2006-06-26 00:27:09 -0700 | [diff] [blame] | 538 | #define FB_EVENT_BLANK 0x09 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | /* Private modelist is to be replaced */ |
Antonino A. Daplas | e614b18 | 2006-06-26 00:27:09 -0700 | [diff] [blame] | 540 | #define FB_EVENT_NEW_MODELIST 0x0A |
Antonino A. Daplas | 7726e9e | 2005-09-09 13:04:29 -0700 | [diff] [blame] | 541 | /* The resolution of the passed in fb_info about to change and |
| 542 | all vc's should be changed */ |
Antonino A. Daplas | e614b18 | 2006-06-26 00:27:09 -0700 | [diff] [blame] | 543 | #define FB_EVENT_MODE_CHANGE_ALL 0x0B |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 544 | /* A software display blank change occurred */ |
Richard Purdie | 994efac | 2007-02-09 09:46:45 +0000 | [diff] [blame] | 545 | #define FB_EVENT_CONBLANK 0x0C |
Antonino A. Daplas | 38a3dc5 | 2007-05-08 00:39:37 -0700 | [diff] [blame] | 546 | /* Get drawing requirements */ |
| 547 | #define FB_EVENT_GET_REQ 0x0D |
Jesse Barnes | cfafca8 | 2007-07-17 04:05:33 -0700 | [diff] [blame] | 548 | /* Unbind from the console if possible */ |
| 549 | #define FB_EVENT_FB_UNBIND 0x0E |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 550 | /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ |
| 551 | #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | |
| 553 | struct fb_event { |
| 554 | struct fb_info *info; |
| 555 | void *data; |
| 556 | }; |
| 557 | |
Antonino A. Daplas | 38a3dc5 | 2007-05-08 00:39:37 -0700 | [diff] [blame] | 558 | struct fb_blit_caps { |
| 559 | u32 x; |
| 560 | u32 y; |
| 561 | u32 len; |
| 562 | u32 flags; |
| 563 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
| 565 | extern int fb_register_client(struct notifier_block *nb); |
| 566 | extern int fb_unregister_client(struct notifier_block *nb); |
Antonino A. Daplas | 256154f | 2006-07-30 03:04:17 -0700 | [diff] [blame] | 567 | extern int fb_notifier_call_chain(unsigned long val, void *v); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | /* |
| 569 | * Pixmap structure definition |
| 570 | * |
| 571 | * The purpose of this structure is to translate data |
| 572 | * from the hardware independent format of fbdev to what |
| 573 | * format the hardware needs. |
| 574 | */ |
| 575 | |
| 576 | #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ |
| 577 | #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ |
| 578 | #define FB_PIXMAP_IO 4 /* memory is iomapped */ |
| 579 | #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ |
| 580 | |
| 581 | struct fb_pixmap { |
| 582 | u8 *addr; /* pointer to memory */ |
| 583 | u32 size; /* size of buffer in bytes */ |
| 584 | u32 offset; /* current offset to buffer */ |
| 585 | u32 buf_align; /* byte alignment of each bitmap */ |
| 586 | u32 scan_align; /* alignment per scanline */ |
James Simmons | f5a9951 | 2005-06-21 17:16:58 -0700 | [diff] [blame] | 587 | u32 access_align; /* alignment per read/write (bits) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | u32 flags; /* see FB_PIXMAP_* */ |
Antonino A. Daplas | bf26ad7 | 2007-05-08 00:39:09 -0700 | [diff] [blame] | 589 | u32 blit_x; /* supported bit block dimensions (1-32)*/ |
| 590 | u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ |
| 591 | /* blit_y = 1 << (height - 1) */ |
| 592 | /* if 0, will be set to 0xffffffff (all)*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | /* access methods */ |
James Simmons | f5a9951 | 2005-06-21 17:16:58 -0700 | [diff] [blame] | 594 | void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); |
| 595 | void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | }; |
| 597 | |
Jaya Kumar | 60b59be | 2007-05-08 00:37:37 -0700 | [diff] [blame] | 598 | #ifdef CONFIG_FB_DEFERRED_IO |
| 599 | struct fb_deferred_io { |
| 600 | /* delay between mkwrite and deferred handler */ |
| 601 | unsigned long delay; |
| 602 | struct mutex lock; /* mutex that protects the page list */ |
| 603 | struct list_head pagelist; /* list of touched pages */ |
| 604 | /* callback */ |
| 605 | void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); |
| 606 | }; |
| 607 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | |
| 609 | /* |
| 610 | * Frame buffer operations |
| 611 | * |
| 612 | * LOCKING NOTE: those functions must _ALL_ be called with the console |
Adrian Bunk | b3c2ffd | 2006-06-30 18:20:44 +0200 | [diff] [blame] | 613 | * semaphore held, this is the only suitable locking mechanism we have |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | * in 2.6. Some may be called at interrupt time at this point though. |
Jesse Barnes | d219adc | 2010-08-02 12:05:41 -0700 | [diff] [blame] | 615 | * |
| 616 | * The exception to this is the debug related hooks. Putting the fb |
| 617 | * into a debug state (e.g. flipping to the kernel console) and restoring |
| 618 | * it must be done in a lock-free manner, so low level drivers should |
| 619 | * keep track of the initial console (if applicable) and may need to |
| 620 | * perform direct, unlocked hardware writes in these hooks. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | */ |
| 622 | |
| 623 | struct fb_ops { |
| 624 | /* open/release and usage marking */ |
| 625 | struct module *owner; |
| 626 | int (*fb_open)(struct fb_info *info, int user); |
| 627 | int (*fb_release)(struct fb_info *info, int user); |
| 628 | |
| 629 | /* For framebuffers with strange non linear layouts or that do not |
| 630 | * work with normal memory mapped access |
| 631 | */ |
Antonino A. Daplas | 3f9b088 | 2007-05-08 00:39:02 -0700 | [diff] [blame] | 632 | ssize_t (*fb_read)(struct fb_info *info, char __user *buf, |
| 633 | size_t count, loff_t *ppos); |
| 634 | ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, |
| 635 | size_t count, loff_t *ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | |
| 637 | /* checks var and eventually tweaks it to something supported, |
| 638 | * DO NOT MODIFY PAR */ |
| 639 | int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); |
| 640 | |
| 641 | /* set the video mode according to info->var */ |
| 642 | int (*fb_set_par)(struct fb_info *info); |
| 643 | |
| 644 | /* set color register */ |
| 645 | int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, |
| 646 | unsigned blue, unsigned transp, struct fb_info *info); |
| 647 | |
Benjamin Herrenschmidt | 7149437 | 2005-05-01 08:59:22 -0700 | [diff] [blame] | 648 | /* set color registers in batch */ |
| 649 | int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); |
| 650 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | /* blank display */ |
| 652 | int (*fb_blank)(int blank, struct fb_info *info); |
| 653 | |
| 654 | /* pan display */ |
| 655 | int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); |
| 656 | |
| 657 | /* Draws a rectangle */ |
| 658 | void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); |
| 659 | /* Copy data from area to another */ |
| 660 | void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); |
| 661 | /* Draws a image to the display */ |
| 662 | void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); |
| 663 | |
| 664 | /* Draws cursor */ |
| 665 | int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); |
| 666 | |
| 667 | /* Rotates the display */ |
| 668 | void (*fb_rotate)(struct fb_info *info, int angle); |
| 669 | |
| 670 | /* wait for blit idle, optional */ |
| 671 | int (*fb_sync)(struct fb_info *info); |
| 672 | |
| 673 | /* perform fb specific ioctl (optional) */ |
Christoph Hellwig | 67a6680 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 674 | int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, |
| 675 | unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | |
| 677 | /* Handle 32bit compat ioctl (optional) */ |
Christoph Hellwig | 67a6680 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 678 | int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, |
| 679 | unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | |
| 681 | /* perform fb specific mmap */ |
Christoph Hellwig | 216d526 | 2006-01-14 13:21:25 -0800 | [diff] [blame] | 682 | int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); |
Antonino A. Daplas | 4743484 | 2005-12-12 22:17:16 -0800 | [diff] [blame] | 683 | |
Antonino A. Daplas | 38a3dc5 | 2007-05-08 00:39:37 -0700 | [diff] [blame] | 684 | /* get capability given var */ |
| 685 | void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, |
| 686 | struct fb_var_screeninfo *var); |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 687 | |
| 688 | /* teardown any resources to do with this framebuffer */ |
| 689 | void (*fb_destroy)(struct fb_info *info); |
Jesse Barnes | d219adc | 2010-08-02 12:05:41 -0700 | [diff] [blame] | 690 | |
| 691 | /* called at KDB enter and leave time to prepare the console */ |
| 692 | int (*fb_debug_enter)(struct fb_info *info); |
| 693 | int (*fb_debug_leave)(struct fb_info *info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | }; |
| 695 | |
| 696 | #ifdef CONFIG_FB_TILEBLITTING |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | #define FB_TILE_CURSOR_NONE 0 |
| 698 | #define FB_TILE_CURSOR_UNDERLINE 1 |
| 699 | #define FB_TILE_CURSOR_LOWER_THIRD 2 |
| 700 | #define FB_TILE_CURSOR_LOWER_HALF 3 |
| 701 | #define FB_TILE_CURSOR_TWO_THIRDS 4 |
| 702 | #define FB_TILE_CURSOR_BLOCK 5 |
| 703 | |
| 704 | struct fb_tilemap { |
| 705 | __u32 width; /* width of each tile in pixels */ |
| 706 | __u32 height; /* height of each tile in scanlines */ |
| 707 | __u32 depth; /* color depth of each tile */ |
| 708 | __u32 length; /* number of tiles in the map */ |
Jan Beulich | 2f4516d | 2005-09-13 01:25:44 -0700 | [diff] [blame] | 709 | const __u8 *data; /* actual tile map: a bitmap array, packed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | to the nearest byte */ |
| 711 | }; |
| 712 | |
| 713 | struct fb_tilerect { |
| 714 | __u32 sx; /* origin in the x-axis */ |
| 715 | __u32 sy; /* origin in the y-axis */ |
| 716 | __u32 width; /* number of tiles in the x-axis */ |
| 717 | __u32 height; /* number of tiles in the y-axis */ |
| 718 | __u32 index; /* what tile to use: index to tile map */ |
| 719 | __u32 fg; /* foreground color */ |
| 720 | __u32 bg; /* background color */ |
| 721 | __u32 rop; /* raster operation */ |
| 722 | }; |
| 723 | |
| 724 | struct fb_tilearea { |
| 725 | __u32 sx; /* source origin in the x-axis */ |
| 726 | __u32 sy; /* source origin in the y-axis */ |
| 727 | __u32 dx; /* destination origin in the x-axis */ |
| 728 | __u32 dy; /* destination origin in the y-axis */ |
| 729 | __u32 width; /* number of tiles in the x-axis */ |
| 730 | __u32 height; /* number of tiles in the y-axis */ |
| 731 | }; |
| 732 | |
| 733 | struct fb_tileblit { |
| 734 | __u32 sx; /* origin in the x-axis */ |
| 735 | __u32 sy; /* origin in the y-axis */ |
| 736 | __u32 width; /* number of tiles in the x-axis */ |
| 737 | __u32 height; /* number of tiles in the y-axis */ |
| 738 | __u32 fg; /* foreground color */ |
| 739 | __u32 bg; /* background color */ |
| 740 | __u32 length; /* number of tiles to draw */ |
| 741 | __u32 *indices; /* array of indices to tile map */ |
| 742 | }; |
| 743 | |
| 744 | struct fb_tilecursor { |
| 745 | __u32 sx; /* cursor position in the x-axis */ |
| 746 | __u32 sy; /* cursor position in the y-axis */ |
| 747 | __u32 mode; /* 0 = erase, 1 = draw */ |
| 748 | __u32 shape; /* see FB_TILE_CURSOR_* */ |
| 749 | __u32 fg; /* foreground color */ |
| 750 | __u32 bg; /* background color */ |
| 751 | }; |
| 752 | |
| 753 | struct fb_tile_ops { |
| 754 | /* set tile characteristics */ |
| 755 | void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); |
| 756 | |
| 757 | /* all dimensions from hereon are in terms of tiles */ |
| 758 | |
| 759 | /* move a rectangular region of tiles from one area to another*/ |
| 760 | void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); |
| 761 | /* fill a rectangular region with a tile */ |
| 762 | void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); |
| 763 | /* copy an array of tiles */ |
| 764 | void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); |
| 765 | /* cursor */ |
| 766 | void (*fb_tilecursor)(struct fb_info *info, |
| 767 | struct fb_tilecursor *cursor); |
Antonino A. Daplas | 11f11d5 | 2007-05-08 00:39:16 -0700 | [diff] [blame] | 768 | /* get maximum length of the tile map */ |
| 769 | int (*fb_get_tilemax)(struct fb_info *info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | }; |
| 771 | #endif /* CONFIG_FB_TILEBLITTING */ |
| 772 | |
| 773 | /* FBINFO_* = fb_info.flags bit flags */ |
| 774 | #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ |
| 775 | #define FBINFO_HWACCEL_DISABLED 0x0002 |
| 776 | /* When FBINFO_HWACCEL_DISABLED is set: |
| 777 | * Hardware acceleration is turned off. Software implementations |
| 778 | * of required functions (copyarea(), fillrect(), and imageblit()) |
| 779 | * takes over; acceleration engine should be in a quiescent state */ |
| 780 | |
| 781 | /* hints */ |
Konrad Rzeszutek Wilk | 7164bb4 | 2009-12-03 10:31:56 -0500 | [diff] [blame] | 782 | #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ |
| 784 | #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ |
| 785 | |
| 786 | /* hardware supported ops */ |
| 787 | /* semantics: when a bit is set, it indicates that the operation is |
| 788 | * accelerated by hardware. |
| 789 | * required functions will still work even if the bit is not set. |
| 790 | * optional functions may not even exist if the flag bit is not set. |
| 791 | */ |
| 792 | #define FBINFO_HWACCEL_NONE 0x0000 |
| 793 | #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ |
| 794 | #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ |
| 795 | #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ |
| 796 | #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ |
| 797 | #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ |
| 798 | #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ |
| 799 | #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ |
| 800 | |
| 801 | #define FBINFO_MISC_USEREVENT 0x10000 /* event request |
| 802 | from userspace */ |
| 803 | #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ |
| 804 | |
Knut Petersen | 39942fd | 2005-12-12 22:17:19 -0800 | [diff] [blame] | 805 | /* A driver may set this flag to indicate that it does want a set_par to be |
| 806 | * called every time when fbcon_switch is executed. The advantage is that with |
Alexey Dobriyan | 7f927fc | 2006-03-28 01:56:53 -0800 | [diff] [blame] | 807 | * this flag set you can really be sure that set_par is always called before |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 808 | * any of the functions dependent on the correct hardware state or altering |
Knut Petersen | 39942fd | 2005-12-12 22:17:19 -0800 | [diff] [blame] | 809 | * that state, even if you are using some broken X releases. The disadvantage |
| 810 | * is that it introduces unwanted delays to every console switch if set_par |
| 811 | * is slow. It is a good idea to try this flag in the drivers initialization |
| 812 | * code whenever there is a bug report related to switching between X and the |
| 813 | * framebuffer console. |
| 814 | */ |
| 815 | #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 |
| 816 | |
Dave Airlie | b26c949 | 2010-06-23 11:35:41 +1000 | [diff] [blame] | 817 | /* where the fb is a firmware driver, and can be replaced with a proper one */ |
| 818 | #define FBINFO_MISC_FIRMWARE 0x80000 |
Anton Vorontsov | e4c690e | 2008-04-28 02:14:49 -0700 | [diff] [blame] | 819 | /* |
| 820 | * Host and GPU endianness differ. |
| 821 | */ |
| 822 | #define FBINFO_FOREIGN_ENDIAN 0x100000 |
| 823 | /* |
| 824 | * Big endian math. This is the same flags as above, but with different |
| 825 | * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag |
| 826 | * and host endianness. Drivers should not use this flag. |
| 827 | */ |
| 828 | #define FBINFO_BE_MATH 0x100000 |
| 829 | |
Jesse Barnes | 8fd4bd2 | 2010-06-23 12:56:12 -0700 | [diff] [blame] | 830 | /* report to the VT layer that this fb driver can accept forced console |
| 831 | output like oopses */ |
| 832 | #define FBINFO_CAN_FORCE_OUTPUT 0x200000 |
| 833 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | struct fb_info { |
Linus Torvalds | 698b368 | 2011-05-11 14:49:36 -0700 | [diff] [blame] | 835 | atomic_t count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | int node; |
| 837 | int flags; |
Krzysztof Helt | 3e680aa | 2008-10-18 20:27:51 -0700 | [diff] [blame] | 838 | struct mutex lock; /* Lock for open/release/ioctl funcs */ |
Krzysztof Helt | 537a1bf | 2009-06-30 11:41:29 -0700 | [diff] [blame] | 839 | struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | struct fb_var_screeninfo var; /* Current var */ |
| 841 | struct fb_fix_screeninfo fix; /* Current fix */ |
| 842 | struct fb_monspecs monspecs; /* Current Monitor specs */ |
| 843 | struct work_struct queue; /* Framebuffer event queue */ |
| 844 | struct fb_pixmap pixmap; /* Image hardware mapper */ |
| 845 | struct fb_pixmap sprite; /* Cursor hardware mapper */ |
| 846 | struct fb_cmap cmap; /* Current cmap */ |
| 847 | struct list_head modelist; /* mode list */ |
| 848 | struct fb_videomode *mode; /* current mode */ |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 849 | |
| 850 | #ifdef CONFIG_FB_BACKLIGHT |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 851 | /* assigned backlight device */ |
Richard Purdie | 37ce69a | 2007-02-10 14:10:33 +0000 | [diff] [blame] | 852 | /* set before framebuffer registration, |
| 853 | remove after unregister */ |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 854 | struct backlight_device *bl_dev; |
| 855 | |
| 856 | /* Backlight level curve */ |
Richard Purdie | 37ce69a | 2007-02-10 14:10:33 +0000 | [diff] [blame] | 857 | struct mutex bl_curve_mutex; |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 858 | u8 bl_curve[FB_BACKLIGHT_LEVELS]; |
| 859 | #endif |
Jaya Kumar | 60b59be | 2007-05-08 00:37:37 -0700 | [diff] [blame] | 860 | #ifdef CONFIG_FB_DEFERRED_IO |
| 861 | struct delayed_work deferred_work; |
| 862 | struct fb_deferred_io *fbdefio; |
| 863 | #endif |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 864 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 865 | struct fb_ops *fbops; |
Greg Kroah-Hartman | 78cde0887 | 2006-09-14 07:30:59 -0700 | [diff] [blame] | 866 | struct device *device; /* This is the parent */ |
| 867 | struct device *dev; /* This is this fb device */ |
Antonino A. Daplas | 1a6600b | 2006-10-03 01:14:50 -0700 | [diff] [blame] | 868 | int class_flag; /* private sysfs flags */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 869 | #ifdef CONFIG_FB_TILEBLITTING |
| 870 | struct fb_tile_ops *tileops; /* Tile Blitting */ |
| 871 | #endif |
| 872 | char __iomem *screen_base; /* Virtual address */ |
| 873 | unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ |
| 874 | void *pseudo_palette; /* Fake palette of 16 colors */ |
| 875 | #define FBINFO_STATE_RUNNING 0 |
| 876 | #define FBINFO_STATE_SUSPENDED 1 |
| 877 | u32 state; /* Hardware state i.e suspend */ |
| 878 | void *fbcon_par; /* fbcon use-only private area */ |
| 879 | /* From here on everything is device dependent */ |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 880 | void *par; |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 881 | /* we need the PCI or similar aperture base/size not |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 882 | smem_start/size as smem_start may just be an object |
| 883 | allocated inside the aperture so may not actually overlap */ |
Marcin Slusarz | 1471ca9 | 2010-05-16 17:27:03 +0200 | [diff] [blame] | 884 | struct apertures_struct { |
| 885 | unsigned int count; |
| 886 | struct aperture { |
| 887 | resource_size_t base; |
| 888 | resource_size_t size; |
| 889 | } ranges[0]; |
| 890 | } *apertures; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | }; |
| 892 | |
Marcin Slusarz | 1471ca9 | 2010-05-16 17:27:03 +0200 | [diff] [blame] | 893 | static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { |
| 894 | struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct) |
| 895 | + max_num * sizeof(struct aperture), GFP_KERNEL); |
Dan Carpenter | 772a2f9 | 2010-07-15 10:39:47 +0200 | [diff] [blame] | 896 | if (!a) |
| 897 | return NULL; |
Marcin Slusarz | 1471ca9 | 2010-05-16 17:27:03 +0200 | [diff] [blame] | 898 | a->count = max_num; |
| 899 | return a; |
| 900 | } |
| 901 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | #ifdef MODULE |
| 903 | #define FBINFO_DEFAULT FBINFO_MODULE |
| 904 | #else |
| 905 | #define FBINFO_DEFAULT 0 |
| 906 | #endif |
| 907 | |
| 908 | // This will go away |
| 909 | #define FBINFO_FLAG_MODULE FBINFO_MODULE |
| 910 | #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT |
| 911 | |
| 912 | /* This will go away |
| 913 | * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags |
| 914 | * when it wants to turn the acceleration engine on. This is |
| 915 | * really a separate operation, and should be modified via sysfs. |
| 916 | * But for now, we leave it broken with the following define |
| 917 | */ |
| 918 | #define STUPID_ACCELF_TEXT_SHIT |
| 919 | |
| 920 | // This will go away |
| 921 | #if defined(__sparc__) |
| 922 | |
| 923 | /* We map all of our framebuffers such that big-endian accesses |
| 924 | * are what we want, so the following is sufficient. |
| 925 | */ |
| 926 | |
| 927 | // This will go away |
| 928 | #define fb_readb sbus_readb |
| 929 | #define fb_readw sbus_readw |
| 930 | #define fb_readl sbus_readl |
| 931 | #define fb_readq sbus_readq |
| 932 | #define fb_writeb sbus_writeb |
| 933 | #define fb_writew sbus_writew |
| 934 | #define fb_writel sbus_writel |
| 935 | #define fb_writeq sbus_writeq |
| 936 | #define fb_memset sbus_memset_io |
James Hogan | f11b478d | 2010-10-27 15:33:28 -0700 | [diff] [blame] | 937 | #define fb_memcpy_fromfb sbus_memcpy_fromio |
| 938 | #define fb_memcpy_tofb sbus_memcpy_toio |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | |
Mike Frysinger | 00115e6 | 2009-06-16 15:34:40 -0700 | [diff] [blame] | 940 | #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | |
| 942 | #define fb_readb __raw_readb |
| 943 | #define fb_readw __raw_readw |
| 944 | #define fb_readl __raw_readl |
| 945 | #define fb_readq __raw_readq |
| 946 | #define fb_writeb __raw_writeb |
| 947 | #define fb_writew __raw_writew |
| 948 | #define fb_writel __raw_writel |
| 949 | #define fb_writeq __raw_writeq |
| 950 | #define fb_memset memset_io |
James Hogan | f11b478d | 2010-10-27 15:33:28 -0700 | [diff] [blame] | 951 | #define fb_memcpy_fromfb memcpy_fromio |
| 952 | #define fb_memcpy_tofb memcpy_toio |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | |
| 954 | #else |
| 955 | |
| 956 | #define fb_readb(addr) (*(volatile u8 *) (addr)) |
| 957 | #define fb_readw(addr) (*(volatile u16 *) (addr)) |
| 958 | #define fb_readl(addr) (*(volatile u32 *) (addr)) |
| 959 | #define fb_readq(addr) (*(volatile u64 *) (addr)) |
| 960 | #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) |
| 961 | #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) |
| 962 | #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) |
| 963 | #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) |
| 964 | #define fb_memset memset |
James Hogan | f11b478d | 2010-10-27 15:33:28 -0700 | [diff] [blame] | 965 | #define fb_memcpy_fromfb memcpy |
| 966 | #define fb_memcpy_tofb memcpy |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | |
| 968 | #endif |
| 969 | |
Anton Vorontsov | e4c690e | 2008-04-28 02:14:49 -0700 | [diff] [blame] | 970 | #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) |
| 971 | #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ |
| 972 | (val) << (bits)) |
| 973 | #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ |
| 974 | (val) >> (bits)) |
Antonino A. Daplas | be0d9b6 | 2005-12-12 22:17:21 -0800 | [diff] [blame] | 975 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 976 | /* |
| 977 | * `Generic' versions of the frame buffer device operations |
| 978 | */ |
| 979 | |
| 980 | extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); |
| 981 | extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); |
| 982 | extern int fb_blank(struct fb_info *info, int blank); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 983 | extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); |
| 984 | extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); |
| 985 | extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); |
Antonino A. Daplas | 68648ed | 2007-05-08 00:38:57 -0700 | [diff] [blame] | 986 | /* |
| 987 | * Drawing operations where framebuffer is in system RAM |
| 988 | */ |
| 989 | extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); |
| 990 | extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); |
| 991 | extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); |
Antonino A. Daplas | 09aaf26 | 2007-05-08 00:39:03 -0700 | [diff] [blame] | 992 | extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, |
| 993 | size_t count, loff_t *ppos); |
| 994 | extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, |
| 995 | size_t count, loff_t *ppos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | |
| 997 | /* drivers/video/fbmem.c */ |
| 998 | extern int register_framebuffer(struct fb_info *fb_info); |
| 999 | extern int unregister_framebuffer(struct fb_info *fb_info); |
Marcin Slusarz | 3b9676e | 2010-05-16 17:33:09 +0200 | [diff] [blame] | 1000 | extern void remove_conflicting_framebuffers(struct apertures_struct *a, |
| 1001 | const char *name, bool primary); |
Antonino A. Daplas | 9c44e5f | 2005-11-08 21:39:10 -0800 | [diff] [blame] | 1002 | extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); |
| 1003 | extern int fb_show_logo(struct fb_info *fb_info, int rotate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); |
James Simmons | f1ab5da | 2005-06-21 17:17:07 -0700 | [diff] [blame] | 1005 | extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | u32 height, u32 shift_high, u32 shift_low, u32 mod); |
James Simmons | f1ab5da | 2005-06-21 17:17:07 -0700 | [diff] [blame] | 1007 | extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | extern void fb_set_suspend(struct fb_info *info, int state); |
Antonino A. Daplas | b8c9094 | 2005-09-09 13:04:37 -0700 | [diff] [blame] | 1009 | extern int fb_get_color_depth(struct fb_var_screeninfo *var, |
| 1010 | struct fb_fix_screeninfo *fix); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | extern int fb_get_options(char *name, char **option); |
| 1012 | extern int fb_new_modelist(struct fb_info *info); |
| 1013 | |
| 1014 | extern struct fb_info *registered_fb[FB_MAX]; |
| 1015 | extern int num_registered_fb; |
Geert Uytterhoeven | 9db71a1 | 2007-06-01 00:46:46 -0700 | [diff] [blame] | 1016 | extern struct class *fb_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1017 | |
Andrew Morton | 6a7f282 | 2009-03-31 15:25:19 -0700 | [diff] [blame] | 1018 | extern int lock_fb_info(struct fb_info *info); |
Andrea Righi | 1f5e31d | 2009-02-04 15:12:03 -0800 | [diff] [blame] | 1019 | |
| 1020 | static inline void unlock_fb_info(struct fb_info *info) |
| 1021 | { |
| 1022 | mutex_unlock(&info->lock); |
| 1023 | } |
| 1024 | |
Antonino A. Daplas | 829e79b | 2005-09-09 13:10:04 -0700 | [diff] [blame] | 1025 | static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, |
| 1026 | u8 *src, u32 s_pitch, u32 height) |
| 1027 | { |
| 1028 | int i, j; |
| 1029 | |
| 1030 | d_pitch -= s_pitch; |
| 1031 | |
| 1032 | for (i = height; i--; ) { |
| 1033 | /* s_pitch is a few bytes at the most, memcpy is suboptimal */ |
| 1034 | for (j = 0; j < s_pitch; j++) |
| 1035 | *dst++ = *src++; |
| 1036 | dst += d_pitch; |
| 1037 | } |
| 1038 | } |
| 1039 | |
Jaya Kumar | 60b59be | 2007-05-08 00:37:37 -0700 | [diff] [blame] | 1040 | /* drivers/video/fb_defio.c */ |
| 1041 | extern void fb_deferred_io_init(struct fb_info *info); |
Ian Campbell | d847471 | 2008-08-20 14:09:23 -0700 | [diff] [blame] | 1042 | extern void fb_deferred_io_open(struct fb_info *info, |
| 1043 | struct inode *inode, |
| 1044 | struct file *file); |
Jaya Kumar | 60b59be | 2007-05-08 00:37:37 -0700 | [diff] [blame] | 1045 | extern void fb_deferred_io_cleanup(struct fb_info *info); |
Josef Bacik | 02c24a8 | 2011-07-16 20:44:56 -0400 | [diff] [blame^] | 1046 | extern int fb_deferred_io_fsync(struct file *file, loff_t start, |
| 1047 | loff_t end, int datasync); |
Jaya Kumar | 60b59be | 2007-05-08 00:37:37 -0700 | [diff] [blame] | 1048 | |
Anton Vorontsov | e4c690e | 2008-04-28 02:14:49 -0700 | [diff] [blame] | 1049 | static inline bool fb_be_math(struct fb_info *info) |
| 1050 | { |
| 1051 | #ifdef CONFIG_FB_FOREIGN_ENDIAN |
| 1052 | #if defined(CONFIG_FB_BOTH_ENDIAN) |
| 1053 | return info->flags & FBINFO_BE_MATH; |
| 1054 | #elif defined(CONFIG_FB_BIG_ENDIAN) |
| 1055 | return true; |
| 1056 | #elif defined(CONFIG_FB_LITTLE_ENDIAN) |
| 1057 | return false; |
| 1058 | #endif /* CONFIG_FB_BOTH_ENDIAN */ |
| 1059 | #else |
| 1060 | #ifdef __BIG_ENDIAN |
| 1061 | return true; |
| 1062 | #else |
| 1063 | return false; |
| 1064 | #endif /* __BIG_ENDIAN */ |
| 1065 | #endif /* CONFIG_FB_FOREIGN_ENDIAN */ |
| 1066 | } |
| 1067 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | /* drivers/video/fbsysfs.c */ |
| 1069 | extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); |
| 1070 | extern void framebuffer_release(struct fb_info *info); |
Greg Kroah-Hartman | 78cde0887 | 2006-09-14 07:30:59 -0700 | [diff] [blame] | 1071 | extern int fb_init_device(struct fb_info *fb_info); |
| 1072 | extern void fb_cleanup_device(struct fb_info *head); |
Michael Hanselmann | 5474c12 | 2006-06-25 05:47:08 -0700 | [diff] [blame] | 1073 | extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1074 | |
| 1075 | /* drivers/video/fbmon.c */ |
| 1076 | #define FB_MAXTIMINGS 0 |
| 1077 | #define FB_VSYNCTIMINGS 1 |
| 1078 | #define FB_HSYNCTIMINGS 2 |
| 1079 | #define FB_DCLKTIMINGS 3 |
| 1080 | #define FB_IGNOREMON 0x100 |
| 1081 | |
| 1082 | #define FB_MODE_IS_UNKNOWN 0 |
| 1083 | #define FB_MODE_IS_DETAILED 1 |
| 1084 | #define FB_MODE_IS_STANDARD 2 |
| 1085 | #define FB_MODE_IS_VESA 4 |
| 1086 | #define FB_MODE_IS_CALCULATED 8 |
| 1087 | #define FB_MODE_IS_FIRST 16 |
| 1088 | #define FB_MODE_IS_FROM_VAR 32 |
| 1089 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | extern int fbmon_dpms(const struct fb_info *fb_info); |
| 1091 | extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, |
| 1092 | struct fb_info *info); |
| 1093 | extern int fb_validate_mode(const struct fb_var_screeninfo *var, |
| 1094 | struct fb_info *info); |
| 1095 | extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); |
Antonino A. Daplas | 5e518d7 | 2005-09-09 13:04:34 -0700 | [diff] [blame] | 1096 | extern const unsigned char *fb_firmware_edid(struct device *device); |
| 1097 | extern void fb_edid_to_monspecs(unsigned char *edid, |
| 1098 | struct fb_monspecs *specs); |
Erik Gilling | 9fbbdde | 2010-11-11 15:44:43 +0100 | [diff] [blame] | 1099 | extern void fb_edid_add_monspecs(unsigned char *edid, |
| 1100 | struct fb_monspecs *specs); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | extern void fb_destroy_modedb(struct fb_videomode *modedb); |
Antonino A. Daplas | 96fe6a2 | 2005-09-09 13:09:58 -0700 | [diff] [blame] | 1102 | extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); |
Dennis Munsie | fc5891c | 2006-10-03 01:14:42 -0700 | [diff] [blame] | 1103 | extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1104 | |
| 1105 | /* drivers/video/modedb.c */ |
| 1106 | #define VESA_MODEDB_SIZE 34 |
| 1107 | extern void fb_var_to_videomode(struct fb_videomode *mode, |
Geert Uytterhoeven | 9791d76 | 2007-02-12 00:55:19 -0800 | [diff] [blame] | 1108 | const struct fb_var_screeninfo *var); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | extern void fb_videomode_to_var(struct fb_var_screeninfo *var, |
Geert Uytterhoeven | 9791d76 | 2007-02-12 00:55:19 -0800 | [diff] [blame] | 1110 | const struct fb_videomode *mode); |
| 1111 | extern int fb_mode_is_equal(const struct fb_videomode *mode1, |
| 1112 | const struct fb_videomode *mode2); |
| 1113 | extern int fb_add_videomode(const struct fb_videomode *mode, |
| 1114 | struct list_head *head); |
| 1115 | extern void fb_delete_videomode(const struct fb_videomode *mode, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1116 | struct list_head *head); |
Geert Uytterhoeven | 9791d76 | 2007-02-12 00:55:19 -0800 | [diff] [blame] | 1117 | extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, |
| 1118 | struct list_head *head); |
| 1119 | extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, |
| 1120 | struct list_head *head); |
| 1121 | extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, |
| 1122 | struct list_head *head); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1123 | extern void fb_destroy_modelist(struct list_head *head); |
Geert Uytterhoeven | 9791d76 | 2007-02-12 00:55:19 -0800 | [diff] [blame] | 1124 | extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1125 | struct list_head *head); |
Geert Uytterhoeven | 9791d76 | 2007-02-12 00:55:19 -0800 | [diff] [blame] | 1126 | extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, |
| 1127 | struct list_head *head); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | |
| 1129 | /* drivers/video/fbcmap.c */ |
| 1130 | extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); |
Dan Carpenter | 1e7c780 | 2010-11-16 12:11:02 +0300 | [diff] [blame] | 1131 | extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1132 | extern void fb_dealloc_cmap(struct fb_cmap *cmap); |
Helge Deller | adf6b20 | 2006-12-08 02:40:27 -0800 | [diff] [blame] | 1133 | extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); |
| 1134 | extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1135 | extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); |
| 1136 | extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); |
Helge Deller | adf6b20 | 2006-12-08 02:40:27 -0800 | [diff] [blame] | 1137 | extern const struct fb_cmap *fb_default_cmap(int len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | extern void fb_invert_cmaps(void); |
| 1139 | |
| 1140 | struct fb_videomode { |
| 1141 | const char *name; /* optional */ |
| 1142 | u32 refresh; /* optional */ |
| 1143 | u32 xres; |
| 1144 | u32 yres; |
| 1145 | u32 pixclock; |
| 1146 | u32 left_margin; |
| 1147 | u32 right_margin; |
| 1148 | u32 upper_margin; |
| 1149 | u32 lower_margin; |
| 1150 | u32 hsync_len; |
| 1151 | u32 vsync_len; |
| 1152 | u32 sync; |
| 1153 | u32 vmode; |
| 1154 | u32 flag; |
| 1155 | }; |
| 1156 | |
Geert Uytterhoeven | 9a054fb | 2007-10-16 01:29:51 -0700 | [diff] [blame] | 1157 | extern const char *fb_mode_option; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | extern const struct fb_videomode vesa_modes[]; |
Guennadi Liakhovetski | 0ad83f6 | 2010-11-11 15:45:04 +0100 | [diff] [blame] | 1159 | extern const struct fb_videomode cea_modes[64]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | |
| 1161 | struct fb_modelist { |
| 1162 | struct list_head list; |
| 1163 | struct fb_videomode mode; |
| 1164 | }; |
| 1165 | |
| 1166 | extern int fb_find_mode(struct fb_var_screeninfo *var, |
| 1167 | struct fb_info *info, const char *mode_option, |
| 1168 | const struct fb_videomode *db, |
| 1169 | unsigned int dbsize, |
| 1170 | const struct fb_videomode *default_mode, |
| 1171 | unsigned int default_bpp); |
| 1172 | |
| 1173 | #endif /* __KERNEL__ */ |
| 1174 | |
| 1175 | #endif /* _LINUX_FB_H */ |