Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _LINUX_FB_H |
2 | #define _LINUX_FB_H | |
3 | ||
00bfddaf | 4 | #include <linux/types.h> |
fc5891c8 | 5 | #include <linux/i2c.h> |
d219adc1 JB |
6 | #ifdef __KERNEL__ |
7 | #include <linux/kgdb.h> | |
8 | #endif /* __KERNEL__ */ | |
1da177e4 LT |
9 | |
10 | /* Definitions of frame buffers */ | |
11 | ||
1da177e4 LT |
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 | |
49c39b49 | 41 | #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) |
1da177e4 LT |
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 */ | |
a268422d OZ |
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 */ | |
1da177e4 LT |
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 */ | |
544393fe TW |
120 | #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ |
121 | #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ | |
fe0e3a9d | 122 | #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ |
01a2d9ed KH |
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 */ | |
614c0dc9 | 127 | #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ |
1da177e4 LT |
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 */ | |
52a7a1ce | 137 | #define FB_ACCEL_PXA3XX 99 /* PXA3xx */ |
1da177e4 LT |
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 | ||
ce443ab5 G |
155 | #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */ |
156 | ||
1da177e4 LT |
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 | |
ebde4411 MJ |
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). | |
1da177e4 LT |
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) */ | |
779121e9 | 195 | #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ |
1da177e4 LT |
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 */ | |
394d3af7 | 222 | #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ |
1da177e4 LT |
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 | ||
e4fc2761 AD |
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 | ||
1da177e4 LT |
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 | ||
5474c120 MH |
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 | ||
1da177e4 LT |
400 | #ifdef __KERNEL__ |
401 | ||
402 | #include <linux/fs.h> | |
403 | #include <linux/init.h> | |
1da177e4 LT |
404 | #include <linux/device.h> |
405 | #include <linux/workqueue.h> | |
1da177e4 LT |
406 | #include <linux/notifier.h> |
407 | #include <linux/list.h> | |
2b257425 | 408 | #include <linux/backlight.h> |
1471ca9a | 409 | #include <linux/slab.h> |
1da177e4 LT |
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 | |
e614b18d AD |
531 | /* A driver unregistered itself */ |
532 | #define FB_EVENT_FB_UNREGISTERED 0x06 | |
e4fc2761 | 533 | /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ |
e614b18d | 534 | #define FB_EVENT_GET_CONSOLE_MAP 0x07 |
e4fc2761 | 535 | /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ |
e614b18d | 536 | #define FB_EVENT_SET_CONSOLE_MAP 0x08 |
25985edc | 537 | /* A hardware display blank change occurred */ |
e614b18d | 538 | #define FB_EVENT_BLANK 0x09 |
1da177e4 | 539 | /* Private modelist is to be replaced */ |
e614b18d | 540 | #define FB_EVENT_NEW_MODELIST 0x0A |
7726e9e1 AD |
541 | /* The resolution of the passed in fb_info about to change and |
542 | all vc's should be changed */ | |
e614b18d | 543 | #define FB_EVENT_MODE_CHANGE_ALL 0x0B |
25985edc | 544 | /* A software display blank change occurred */ |
994efacd | 545 | #define FB_EVENT_CONBLANK 0x0C |
38a3dc51 AD |
546 | /* Get drawing requirements */ |
547 | #define FB_EVENT_GET_REQ 0x0D | |
cfafca80 JB |
548 | /* Unbind from the console if possible */ |
549 | #define FB_EVENT_FB_UNBIND 0x0E | |
6a9ee8af DA |
550 | /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ |
551 | #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F | |
1da177e4 LT |
552 | |
553 | struct fb_event { | |
554 | struct fb_info *info; | |
555 | void *data; | |
556 | }; | |
557 | ||
38a3dc51 AD |
558 | struct fb_blit_caps { |
559 | u32 x; | |
560 | u32 y; | |
561 | u32 len; | |
562 | u32 flags; | |
563 | }; | |
1da177e4 LT |
564 | |
565 | extern int fb_register_client(struct notifier_block *nb); | |
566 | extern int fb_unregister_client(struct notifier_block *nb); | |
256154fb | 567 | extern int fb_notifier_call_chain(unsigned long val, void *v); |
1da177e4 LT |
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 */ | |
f5a9951c | 587 | u32 access_align; /* alignment per read/write (bits) */ |
1da177e4 | 588 | u32 flags; /* see FB_PIXMAP_* */ |
bf26ad72 AD |
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)*/ | |
1da177e4 | 593 | /* access methods */ |
f5a9951c JS |
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); | |
1da177e4 LT |
596 | }; |
597 | ||
60b59bea JK |
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 | |
1da177e4 LT |
608 | |
609 | /* | |
610 | * Frame buffer operations | |
611 | * | |
612 | * LOCKING NOTE: those functions must _ALL_ be called with the console | |
b3c2ffd5 | 613 | * semaphore held, this is the only suitable locking mechanism we have |
1da177e4 | 614 | * in 2.6. Some may be called at interrupt time at this point though. |
d219adc1 JB |
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. | |
1da177e4 LT |
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 | */ | |
3f9b0880 AD |
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); | |
1da177e4 LT |
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 | ||
71494376 BH |
648 | /* set color registers in batch */ |
649 | int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); | |
650 | ||
1da177e4 LT |
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) */ | |
67a6680d CH |
674 | int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, |
675 | unsigned long arg); | |
1da177e4 LT |
676 | |
677 | /* Handle 32bit compat ioctl (optional) */ | |
67a6680d CH |
678 | int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, |
679 | unsigned long arg); | |
1da177e4 LT |
680 | |
681 | /* perform fb specific mmap */ | |
216d526c | 682 | int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); |
47434847 | 683 | |
38a3dc51 AD |
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); | |
4410f391 DA |
687 | |
688 | /* teardown any resources to do with this framebuffer */ | |
689 | void (*fb_destroy)(struct fb_info *info); | |
d219adc1 JB |
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); | |
1da177e4 LT |
694 | }; |
695 | ||
696 | #ifdef CONFIG_FB_TILEBLITTING | |
1da177e4 LT |
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 */ | |
2f4516db | 709 | const __u8 *data; /* actual tile map: a bitmap array, packed |
1da177e4 LT |
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); | |
11f11d52 AD |
768 | /* get maximum length of the tile map */ |
769 | int (*fb_get_tilemax)(struct fb_info *info); | |
1da177e4 LT |
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 */ | |
7164bb43 | 782 | #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ |
1da177e4 LT |
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 | ||
39942fd8 KP |
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 | |
7f927fcc | 807 | * this flag set you can really be sure that set_par is always called before |
25985edc | 808 | * any of the functions dependent on the correct hardware state or altering |
39942fd8 KP |
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 | ||
b26c9497 DA |
817 | /* where the fb is a firmware driver, and can be replaced with a proper one */ |
818 | #define FBINFO_MISC_FIRMWARE 0x80000 | |
e4c690e0 AV |
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 | ||
8fd4bd22 JB |
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 | ||
1da177e4 | 834 | struct fb_info { |
698b3682 | 835 | atomic_t count; |
1da177e4 LT |
836 | int node; |
837 | int flags; | |
3e680aae | 838 | struct mutex lock; /* Lock for open/release/ioctl funcs */ |
537a1bf0 | 839 | struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ |
1da177e4 LT |
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 */ | |
5474c120 MH |
849 | |
850 | #ifdef CONFIG_FB_BACKLIGHT | |
5474c120 | 851 | /* assigned backlight device */ |
37ce69a5 RP |
852 | /* set before framebuffer registration, |
853 | remove after unregister */ | |
5474c120 MH |
854 | struct backlight_device *bl_dev; |
855 | ||
856 | /* Backlight level curve */ | |
37ce69a5 | 857 | struct mutex bl_curve_mutex; |
5474c120 MH |
858 | u8 bl_curve[FB_BACKLIGHT_LEVELS]; |
859 | #endif | |
60b59bea JK |
860 | #ifdef CONFIG_FB_DEFERRED_IO |
861 | struct delayed_work deferred_work; | |
862 | struct fb_deferred_io *fbdefio; | |
863 | #endif | |
5474c120 | 864 | |
1da177e4 | 865 | struct fb_ops *fbops; |
78cde088 GKH |
866 | struct device *device; /* This is the parent */ |
867 | struct device *dev; /* This is this fb device */ | |
1a6600be | 868 | int class_flag; /* private sysfs flags */ |
1da177e4 LT |
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 */ | |
4410f391 | 880 | void *par; |
25985edc | 881 | /* we need the PCI or similar aperture base/size not |
4410f391 DA |
882 | smem_start/size as smem_start may just be an object |
883 | allocated inside the aperture so may not actually overlap */ | |
1471ca9a MS |
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; | |
1da177e4 LT |
891 | }; |
892 | ||
1471ca9a MS |
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); | |
772a2f9b DC |
896 | if (!a) |
897 | return NULL; | |
1471ca9a MS |
898 | a->count = max_num; |
899 | return a; | |
900 | } | |
901 | ||
1da177e4 LT |
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 | |
f11b478d JH |
937 | #define fb_memcpy_fromfb sbus_memcpy_fromio |
938 | #define fb_memcpy_tofb sbus_memcpy_toio | |
1da177e4 | 939 | |
00115e66 | 940 | #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) |
1da177e4 LT |
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 | |
f11b478d JH |
951 | #define fb_memcpy_fromfb memcpy_fromio |
952 | #define fb_memcpy_tofb memcpy_toio | |
1da177e4 LT |
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 | |
f11b478d JH |
965 | #define fb_memcpy_fromfb memcpy |
966 | #define fb_memcpy_tofb memcpy | |
1da177e4 | 967 | |
be0d9b6c AD |
968 | #endif |
969 | ||
e4c690e0 AV |
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)) | |
1da177e4 LT |
975 | |
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); | |
1da177e4 LT |
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); | |
68648ed1 AD |
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); | |
09aaf268 AD |
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); | |
1da177e4 LT |
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); | |
3b9676e7 MS |
1000 | extern void remove_conflicting_framebuffers(struct apertures_struct *a, |
1001 | const char *name, bool primary); | |
9c44e5f6 AD |
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); | |
1da177e4 | 1004 | extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); |
f1ab5dac | 1005 | extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, |
1da177e4 | 1006 | u32 height, u32 shift_high, u32 shift_low, u32 mod); |
f1ab5dac | 1007 | extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); |
1da177e4 | 1008 | extern void fb_set_suspend(struct fb_info *info, int state); |
b8c90945 AD |
1009 | extern int fb_get_color_depth(struct fb_var_screeninfo *var, |
1010 | struct fb_fix_screeninfo *fix); | |
1da177e4 LT |
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; | |
9db71a18 | 1016 | extern struct class *fb_class; |
1da177e4 | 1017 | |
6a7f2829 | 1018 | extern int lock_fb_info(struct fb_info *info); |
1f5e31d7 AR |
1019 | |
1020 | static inline void unlock_fb_info(struct fb_info *info) | |
1021 | { | |
1022 | mutex_unlock(&info->lock); | |
1023 | } | |
1024 | ||
829e79b6 AD |
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 | ||
60b59bea JK |
1040 | /* drivers/video/fb_defio.c */ |
1041 | extern void fb_deferred_io_init(struct fb_info *info); | |
d847471d IC |
1042 | extern void fb_deferred_io_open(struct fb_info *info, |
1043 | struct inode *inode, | |
1044 | struct file *file); | |
60b59bea | 1045 | extern void fb_deferred_io_cleanup(struct fb_info *info); |
02c24a82 JB |
1046 | extern int fb_deferred_io_fsync(struct file *file, loff_t start, |
1047 | loff_t end, int datasync); | |
60b59bea | 1048 | |
e4c690e0 AV |
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 | ||
1da177e4 LT |
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); | |
78cde088 GKH |
1071 | extern int fb_init_device(struct fb_info *fb_info); |
1072 | extern void fb_cleanup_device(struct fb_info *head); | |
5474c120 | 1073 | extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); |
1da177e4 LT |
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 | ||
1da177e4 LT |
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); | |
5e518d76 AD |
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); | |
9fbbdde9 EG |
1099 | extern void fb_edid_add_monspecs(unsigned char *edid, |
1100 | struct fb_monspecs *specs); | |
1da177e4 | 1101 | extern void fb_destroy_modedb(struct fb_videomode *modedb); |
96fe6a21 | 1102 | extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); |
fc5891c8 | 1103 | extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); |
1da177e4 LT |
1104 | |
1105 | /* drivers/video/modedb.c */ | |
1106 | #define VESA_MODEDB_SIZE 34 | |
1107 | extern void fb_var_to_videomode(struct fb_videomode *mode, | |
9791d763 | 1108 | const struct fb_var_screeninfo *var); |
1da177e4 | 1109 | extern void fb_videomode_to_var(struct fb_var_screeninfo *var, |
9791d763 GU |
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, | |
1da177e4 | 1116 | struct list_head *head); |
9791d763 GU |
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); | |
1da177e4 | 1123 | extern void fb_destroy_modelist(struct list_head *head); |
9791d763 | 1124 | extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, |
1da177e4 | 1125 | struct list_head *head); |
9791d763 GU |
1126 | extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, |
1127 | struct list_head *head); | |
1da177e4 LT |
1128 | |
1129 | /* drivers/video/fbcmap.c */ | |
1130 | extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); | |
1e7c7804 | 1131 | extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags); |
1da177e4 | 1132 | extern void fb_dealloc_cmap(struct fb_cmap *cmap); |
adf6b206 HD |
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); | |
1da177e4 LT |
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); | |
adf6b206 | 1137 | extern const struct fb_cmap *fb_default_cmap(int len); |
1da177e4 LT |
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 | ||
9a054fba | 1157 | extern const char *fb_mode_option; |
1da177e4 | 1158 | extern const struct fb_videomode vesa_modes[]; |
0ad83f68 | 1159 | extern const struct fb_videomode cea_modes[64]; |
1da177e4 LT |
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 */ |