2 * linux/drivers/video/modedb.c -- Standard video mode database management
4 * Copyright (C) 1999 Geert Uytterhoeven
6 * 2001 - Documented with DocBook
7 * - Brad Douglas <brad@neruo.com>
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file COPYING in the main directory of this archive for
14 #include <linux/module.h>
15 #include <linux/slab.h>
17 #include <linux/kernel.h>
21 #define name_matches(v, s, l) \
22 ((v).name && !strncmp((s), (v).name, (l)) && strlen((v).name) == (l))
23 #define res_matches(v, x, y) \
24 ((v).xres == (x) && (v).yres == (y))
27 #define DPRINTK(fmt, args...) printk("modedb %s: " fmt, __func__ , ## args)
29 #define DPRINTK(fmt, args...)
32 const char *fb_mode_option
;
33 EXPORT_SYMBOL_GPL(fb_mode_option
);
36 * Standard video mode definitions (taken from XFree86)
39 static const struct fb_videomode modedb
[] = {
41 /* 640x400 @ 70 Hz, 31.5 kHz hsync */
42 NULL
, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2,
43 0, FB_VMODE_NONINTERLACED
45 /* 640x480 @ 60 Hz, 31.5 kHz hsync */
46 NULL
, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
47 0, FB_VMODE_NONINTERLACED
49 /* 800x600 @ 56 Hz, 35.15 kHz hsync */
50 NULL
, 56, 800, 600, 27777, 128, 24, 22, 1, 72, 2,
51 0, FB_VMODE_NONINTERLACED
53 /* 1024x768 @ 87 Hz interlaced, 35.5 kHz hsync */
54 NULL
, 87, 1024, 768, 22271, 56, 24, 33, 8, 160, 8,
55 0, FB_VMODE_INTERLACED
57 /* 640x400 @ 85 Hz, 37.86 kHz hsync */
58 NULL
, 85, 640, 400, 31746, 96, 32, 41, 1, 64, 3,
59 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
61 /* 640x480 @ 72 Hz, 36.5 kHz hsync */
62 NULL
, 72, 640, 480, 31746, 144, 40, 30, 8, 40, 3,
63 0, FB_VMODE_NONINTERLACED
65 /* 640x480 @ 75 Hz, 37.50 kHz hsync */
66 NULL
, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3,
67 0, FB_VMODE_NONINTERLACED
69 /* 800x600 @ 60 Hz, 37.8 kHz hsync */
70 NULL
, 60, 800, 600, 25000, 88, 40, 23, 1, 128, 4,
71 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
73 /* 640x480 @ 85 Hz, 43.27 kHz hsync */
74 NULL
, 85, 640, 480, 27777, 80, 56, 25, 1, 56, 3,
75 0, FB_VMODE_NONINTERLACED
77 /* 1152x864 @ 89 Hz interlaced, 44 kHz hsync */
78 NULL
, 89, 1152, 864, 15384, 96, 16, 110, 1, 216, 10,
79 0, FB_VMODE_INTERLACED
81 /* 800x600 @ 72 Hz, 48.0 kHz hsync */
82 NULL
, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6,
83 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
85 /* 1024x768 @ 60 Hz, 48.4 kHz hsync */
86 NULL
, 60, 1024, 768, 15384, 168, 8, 29, 3, 144, 6,
87 0, FB_VMODE_NONINTERLACED
89 /* 640x480 @ 100 Hz, 53.01 kHz hsync */
90 NULL
, 100, 640, 480, 21834, 96, 32, 36, 8, 96, 6,
91 0, FB_VMODE_NONINTERLACED
93 /* 1152x864 @ 60 Hz, 53.5 kHz hsync */
94 NULL
, 60, 1152, 864, 11123, 208, 64, 16, 4, 256, 8,
95 0, FB_VMODE_NONINTERLACED
97 /* 800x600 @ 85 Hz, 55.84 kHz hsync */
98 NULL
, 85, 800, 600, 16460, 160, 64, 36, 16, 64, 5,
99 0, FB_VMODE_NONINTERLACED
101 /* 1024x768 @ 70 Hz, 56.5 kHz hsync */
102 NULL
, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6,
103 0, FB_VMODE_NONINTERLACED
105 /* 1280x1024 @ 87 Hz interlaced, 51 kHz hsync */
106 NULL
, 87, 1280, 1024, 12500, 56, 16, 128, 1, 216, 12,
107 0, FB_VMODE_INTERLACED
109 /* 800x600 @ 100 Hz, 64.02 kHz hsync */
110 NULL
, 100, 800, 600, 14357, 160, 64, 30, 4, 64, 6,
111 0, FB_VMODE_NONINTERLACED
113 /* 1024x768 @ 76 Hz, 62.5 kHz hsync */
114 NULL
, 76, 1024, 768, 11764, 208, 8, 36, 16, 120, 3,
115 0, FB_VMODE_NONINTERLACED
117 /* 1152x864 @ 70 Hz, 62.4 kHz hsync */
118 NULL
, 70, 1152, 864, 10869, 106, 56, 20, 1, 160, 10,
119 0, FB_VMODE_NONINTERLACED
121 /* 1280x1024 @ 61 Hz, 64.2 kHz hsync */
122 NULL
, 61, 1280, 1024, 9090, 200, 48, 26, 1, 184, 3,
123 0, FB_VMODE_NONINTERLACED
125 /* 1400x1050 @ 60Hz, 63.9 kHz hsync */
126 NULL
, 60, 1400, 1050, 9259, 136, 40, 13, 1, 112, 3,
127 0, FB_VMODE_NONINTERLACED
129 /* 1400x1050 @ 75,107 Hz, 82,392 kHz +hsync +vsync*/
130 NULL
, 75, 1400, 1050, 7190, 120, 56, 23, 10, 112, 13,
131 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
133 /* 1400x1050 @ 60 Hz, ? kHz +hsync +vsync*/
134 NULL
, 60, 1400, 1050, 9259, 128, 40, 12, 0, 112, 3,
135 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
137 /* 1024x768 @ 85 Hz, 70.24 kHz hsync */
138 NULL
, 85, 1024, 768, 10111, 192, 32, 34, 14, 160, 6,
139 0, FB_VMODE_NONINTERLACED
141 /* 1152x864 @ 78 Hz, 70.8 kHz hsync */
142 NULL
, 78, 1152, 864, 9090, 228, 88, 32, 0, 84, 12,
143 0, FB_VMODE_NONINTERLACED
145 /* 1280x1024 @ 70 Hz, 74.59 kHz hsync */
146 NULL
, 70, 1280, 1024, 7905, 224, 32, 28, 8, 160, 8,
147 0, FB_VMODE_NONINTERLACED
149 /* 1600x1200 @ 60Hz, 75.00 kHz hsync */
150 NULL
, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
151 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
153 /* 1152x864 @ 84 Hz, 76.0 kHz hsync */
154 NULL
, 84, 1152, 864, 7407, 184, 312, 32, 0, 128, 12,
155 0, FB_VMODE_NONINTERLACED
157 /* 1280x1024 @ 74 Hz, 78.85 kHz hsync */
158 NULL
, 74, 1280, 1024, 7407, 256, 32, 34, 3, 144, 3,
159 0, FB_VMODE_NONINTERLACED
161 /* 1024x768 @ 100Hz, 80.21 kHz hsync */
162 NULL
, 100, 1024, 768, 8658, 192, 32, 21, 3, 192, 10,
163 0, FB_VMODE_NONINTERLACED
165 /* 1280x1024 @ 76 Hz, 81.13 kHz hsync */
166 NULL
, 76, 1280, 1024, 7407, 248, 32, 34, 3, 104, 3,
167 0, FB_VMODE_NONINTERLACED
169 /* 1600x1200 @ 70 Hz, 87.50 kHz hsync */
170 NULL
, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3,
171 0, FB_VMODE_NONINTERLACED
173 /* 1152x864 @ 100 Hz, 89.62 kHz hsync */
174 NULL
, 100, 1152, 864, 7264, 224, 32, 17, 2, 128, 19,
175 0, FB_VMODE_NONINTERLACED
177 /* 1280x1024 @ 85 Hz, 91.15 kHz hsync */
178 NULL
, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
179 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
181 /* 1600x1200 @ 75 Hz, 93.75 kHz hsync */
182 NULL
, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3,
183 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
185 /* 1680x1050 @ 60 Hz, 65.191 kHz hsync */
186 NULL
, 60, 1680, 1050, 6848, 280, 104, 30, 3, 176, 6,
187 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
189 /* 1600x1200 @ 85 Hz, 105.77 kHz hsync */
190 NULL
, 85, 1600, 1200, 4545, 272, 16, 37, 4, 192, 3,
191 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
193 /* 1280x1024 @ 100 Hz, 107.16 kHz hsync */
194 NULL
, 100, 1280, 1024, 5502, 256, 32, 26, 7, 128, 15,
195 0, FB_VMODE_NONINTERLACED
197 /* 1800x1440 @ 64Hz, 96.15 kHz hsync */
198 NULL
, 64, 1800, 1440, 4347, 304, 96, 46, 1, 192, 3,
199 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
201 /* 1800x1440 @ 70Hz, 104.52 kHz hsync */
202 NULL
, 70, 1800, 1440, 4000, 304, 96, 46, 1, 192, 3,
203 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
205 /* 512x384 @ 78 Hz, 31.50 kHz hsync */
206 NULL
, 78, 512, 384, 49603, 48, 16, 16, 1, 64, 3,
207 0, FB_VMODE_NONINTERLACED
209 /* 512x384 @ 85 Hz, 34.38 kHz hsync */
210 NULL
, 85, 512, 384, 45454, 48, 16, 16, 1, 64, 3,
211 0, FB_VMODE_NONINTERLACED
213 /* 320x200 @ 70 Hz, 31.5 kHz hsync, 8:5 aspect ratio */
214 NULL
, 70, 320, 200, 79440, 16, 16, 20, 4, 48, 1,
217 /* 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio */
218 NULL
, 60, 320, 240, 79440, 16, 16, 16, 5, 48, 1,
221 /* 320x240 @ 72 Hz, 36.5 kHz hsync */
222 NULL
, 72, 320, 240, 63492, 16, 16, 16, 4, 48, 2,
225 /* 400x300 @ 56 Hz, 35.2 kHz hsync, 4:3 aspect ratio */
226 NULL
, 56, 400, 300, 55555, 64, 16, 10, 1, 32, 1,
229 /* 400x300 @ 60 Hz, 37.8 kHz hsync */
230 NULL
, 60, 400, 300, 50000, 48, 16, 11, 1, 64, 2,
233 /* 400x300 @ 72 Hz, 48.0 kHz hsync */
234 NULL
, 72, 400, 300, 40000, 32, 24, 11, 19, 64, 3,
237 /* 480x300 @ 56 Hz, 35.2 kHz hsync, 8:5 aspect ratio */
238 NULL
, 56, 480, 300, 46176, 80, 16, 10, 1, 40, 1,
241 /* 480x300 @ 60 Hz, 37.8 kHz hsync */
242 NULL
, 60, 480, 300, 41858, 56, 16, 11, 1, 80, 2,
245 /* 480x300 @ 63 Hz, 39.6 kHz hsync */
246 NULL
, 63, 480, 300, 40000, 56, 16, 11, 1, 80, 2,
249 /* 480x300 @ 72 Hz, 48.0 kHz hsync */
250 NULL
, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3,
253 /* 1920x1200 @ 60 Hz, 74.5 Khz hsync */
254 NULL
, 60, 1920, 1200, 5177, 128, 336, 1, 38, 208, 3,
255 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
256 FB_VMODE_NONINTERLACED
258 /* 1152x768, 60 Hz, PowerBook G4 Titanium I and II */
259 NULL
, 60, 1152, 768, 14047, 158, 26, 29, 3, 136, 6,
260 FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
262 /* 1366x768, 60 Hz, 47.403 kHz hsync, WXGA 16:9 aspect ratio */
263 NULL
, 60, 1366, 768, 13806, 120, 10, 14, 3, 32, 5,
264 0, FB_VMODE_NONINTERLACED
266 /* 1280x800, 60 Hz, 47.403 kHz hsync, WXGA 16:10 aspect ratio */
267 NULL
, 60, 1280, 800, 12048, 200, 64, 24, 1, 136, 3,
268 0, FB_VMODE_NONINTERLACED
270 /* 720x576i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */
271 NULL
, 50, 720, 576, 74074, 64, 16, 39, 5, 64, 5,
272 0, FB_VMODE_INTERLACED
274 /* 800x520i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */
275 NULL
, 50, 800, 520, 58823, 144, 64, 72, 28, 80, 5,
276 0, FB_VMODE_INTERLACED
278 /* 864x480 @ 60 Hz, 35.15 kHz hsync */
279 NULL
, 60, 864, 480, 27777, 1, 1, 1, 1, 0, 0,
280 0, FB_VMODE_NONINTERLACED
284 #ifdef CONFIG_FB_MODE_HELPERS
285 const struct fb_videomode cea_modes
[64] = {
286 /* #1: 640x480p@59.94/60Hz */
288 NULL
, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED
, 0,
290 /* #3: 720x480p@59.94/60Hz */
292 NULL
, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, FB_VMODE_NONINTERLACED
, 0,
294 /* #5: 1920x1080i@59.94/60Hz */
296 NULL
, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5,
297 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_INTERLACED
, 0,
299 /* #7: 720(1440)x480iH@59.94/60Hz */
301 NULL
, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, FB_VMODE_INTERLACED
, 0,
303 /* #9: 720(1440)x240pH@59.94/60Hz */
305 NULL
, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, FB_VMODE_NONINTERLACED
, 0,
307 /* #18: 720x576pH@50Hz */
309 NULL
, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, FB_VMODE_NONINTERLACED
, 0,
311 /* #19: 1280x720p@50Hz */
313 NULL
, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5,
314 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, 0,
316 /* #20: 1920x1080i@50Hz */
318 NULL
, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5,
319 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_INTERLACED
, 0,
321 /* #32: 1920x1080p@23.98/24Hz */
323 NULL
, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5,
324 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, 0,
326 /* #35: (2880)x480p4x@59.94/60Hz */
328 NULL
, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, FB_VMODE_NONINTERLACED
, 0,
332 const struct fb_videomode vesa_modes
[] = {
333 /* 0 640x350-85 VESA */
334 { NULL
, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3,
335 FB_SYNC_HOR_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
336 /* 1 640x400-85 VESA */
337 { NULL
, 85, 640, 400, 31746, 96, 32, 41, 01, 64, 3,
338 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
339 /* 2 720x400-85 VESA */
340 { NULL
, 85, 721, 400, 28169, 108, 36, 42, 01, 72, 3,
341 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
342 /* 3 640x480-60 VESA */
343 { NULL
, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2,
344 0, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
345 /* 4 640x480-72 VESA */
346 { NULL
, 72, 640, 480, 31746, 128, 24, 29, 9, 40, 2,
347 0, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
348 /* 5 640x480-75 VESA */
349 { NULL
, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3,
350 0, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
351 /* 6 640x480-85 VESA */
352 { NULL
, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3,
353 0, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
354 /* 7 800x600-56 VESA */
355 { NULL
, 56, 800, 600, 27777, 128, 24, 22, 01, 72, 2,
356 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
357 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
358 /* 8 800x600-60 VESA */
359 { NULL
, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4,
360 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
361 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
362 /* 9 800x600-72 VESA */
363 { NULL
, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6,
364 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
365 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
366 /* 10 800x600-75 VESA */
367 { NULL
, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3,
368 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
369 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
370 /* 11 800x600-85 VESA */
371 { NULL
, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3,
372 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
373 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
374 /* 12 1024x768i-43 VESA */
375 { NULL
, 43, 1024, 768, 22271, 56, 8, 41, 0, 176, 8,
376 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
377 FB_VMODE_INTERLACED
, FB_MODE_IS_VESA
},
378 /* 13 1024x768-60 VESA */
379 { NULL
, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6,
380 0, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
381 /* 14 1024x768-70 VESA */
382 { NULL
, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6,
383 0, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
384 /* 15 1024x768-75 VESA */
385 { NULL
, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3,
386 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
387 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
388 /* 16 1024x768-85 VESA */
389 { NULL
, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3,
390 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
391 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
392 /* 17 1152x864-75 VESA */
393 { NULL
, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3,
394 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
395 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
396 /* 18 1280x960-60 VESA */
397 { NULL
, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3,
398 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
399 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
400 /* 19 1280x960-85 VESA */
401 { NULL
, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3,
402 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
403 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
404 /* 20 1280x1024-60 VESA */
405 { NULL
, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
406 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
407 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
408 /* 21 1280x1024-75 VESA */
409 { NULL
, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3,
410 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
411 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
412 /* 22 1280x1024-85 VESA */
413 { NULL
, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3,
414 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
415 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
416 /* 23 1600x1200-60 VESA */
417 { NULL
, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3,
418 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
419 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
420 /* 24 1600x1200-65 VESA */
421 { NULL
, 65, 1600, 1200, 5698, 304, 64, 46, 1, 192, 3,
422 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
423 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
424 /* 25 1600x1200-70 VESA */
425 { NULL
, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3,
426 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
427 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
428 /* 26 1600x1200-75 VESA */
429 { NULL
, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3,
430 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
431 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
432 /* 27 1600x1200-85 VESA */
433 { NULL
, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3,
434 FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
435 FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
436 /* 28 1792x1344-60 VESA */
437 { NULL
, 60, 1792, 1344, 4882, 328, 128, 46, 1, 200, 3,
438 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
439 /* 29 1792x1344-75 VESA */
440 { NULL
, 75, 1792, 1344, 3831, 352, 96, 69, 1, 216, 3,
441 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
442 /* 30 1856x1392-60 VESA */
443 { NULL
, 60, 1856, 1392, 4580, 352, 96, 43, 1, 224, 3,
444 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
445 /* 31 1856x1392-75 VESA */
446 { NULL
, 75, 1856, 1392, 3472, 352, 128, 104, 1, 224, 3,
447 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
448 /* 32 1920x1440-60 VESA */
449 { NULL
, 60, 1920, 1440, 4273, 344, 128, 56, 1, 200, 3,
450 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
451 /* 33 1920x1440-75 VESA */
452 { NULL
, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3,
453 FB_SYNC_VERT_HIGH_ACT
, FB_VMODE_NONINTERLACED
, FB_MODE_IS_VESA
},
455 EXPORT_SYMBOL(vesa_modes
);
456 #endif /* CONFIG_FB_MODE_HELPERS */
459 * fb_try_mode - test a video mode
460 * @var: frame buffer user defined part of display
461 * @info: frame buffer info structure
462 * @mode: frame buffer video mode structure
463 * @bpp: color depth in bits per pixel
465 * Tries a video mode to test it's validity for device @info.
467 * Returns 1 on success.
471 static int fb_try_mode(struct fb_var_screeninfo
*var
, struct fb_info
*info
,
472 const struct fb_videomode
*mode
, unsigned int bpp
)
476 DPRINTK("Trying mode %s %dx%d-%d@%d\n", mode
->name
? mode
->name
: "noname",
477 mode
->xres
, mode
->yres
, bpp
, mode
->refresh
);
478 var
->xres
= mode
->xres
;
479 var
->yres
= mode
->yres
;
480 var
->xres_virtual
= mode
->xres
;
481 var
->yres_virtual
= mode
->yres
;
484 var
->bits_per_pixel
= bpp
;
485 var
->activate
|= FB_ACTIVATE_TEST
;
486 var
->pixclock
= mode
->pixclock
;
487 var
->left_margin
= mode
->left_margin
;
488 var
->right_margin
= mode
->right_margin
;
489 var
->upper_margin
= mode
->upper_margin
;
490 var
->lower_margin
= mode
->lower_margin
;
491 var
->hsync_len
= mode
->hsync_len
;
492 var
->vsync_len
= mode
->vsync_len
;
493 var
->sync
= mode
->sync
;
494 var
->vmode
= mode
->vmode
;
495 if (info
->fbops
->fb_check_var
)
496 err
= info
->fbops
->fb_check_var(var
, info
);
497 var
->activate
&= ~FB_ACTIVATE_TEST
;
502 * fb_find_mode - finds a valid video mode
503 * @var: frame buffer user defined part of display
504 * @info: frame buffer info structure
505 * @mode_option: string video mode to find
506 * @db: video mode database
507 * @dbsize: size of @db
508 * @default_mode: default video mode to fall back to
509 * @default_bpp: default color depth in bits per pixel
511 * Finds a suitable video mode, starting with the specified mode
512 * in @mode_option with fallback to @default_mode. If
513 * @default_mode fails, all modes in the video mode database will
516 * Valid mode specifiers for @mode_option:
518 * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] or
519 * <name>[-<bpp>][@<refresh>]
521 * with <xres>, <yres>, <bpp> and <refresh> decimal numbers and
524 * If 'M' is present after yres (and before refresh/bpp if present),
525 * the function will compute the timings using VESA(tm) Coordinated
526 * Video Timings (CVT). If 'R' is present after 'M', will compute with
527 * reduced blanking (for flatpanels). If 'i' is present, compute
528 * interlaced mode. If 'm' is present, add margins equal to 1.8%
529 * of xres rounded down to 8 pixels, and 1.8% of yres. The char
530 * 'i' and 'm' must be after 'M' and 'R'. Example:
532 * 1024x768MR-8@60m - Reduced blank with margins at 60Hz.
534 * NOTE: The passed struct @var is _not_ cleared! This allows you
535 * to supply values for e.g. the grayscale and accel_flags fields.
537 * Returns zero for failure, 1 if using specified @mode_option,
538 * 2 if using specified @mode_option with an ignored refresh rate,
539 * 3 if default mode is used, 4 if fall back to any valid mode.
543 int fb_find_mode(struct fb_var_screeninfo
*var
,
544 struct fb_info
*info
, const char *mode_option
,
545 const struct fb_videomode
*db
, unsigned int dbsize
,
546 const struct fb_videomode
*default_mode
,
547 unsigned int default_bpp
)
551 /* Set up defaults */
554 dbsize
= ARRAY_SIZE(modedb
);
558 default_mode
= &db
[0];
563 /* Did the user specify a video mode? */
565 mode_option
= fb_mode_option
;
567 const char *name
= mode_option
;
568 unsigned int namelen
= strlen(name
);
569 int res_specified
= 0, bpp_specified
= 0, refresh_specified
= 0;
570 unsigned int xres
= 0, yres
= 0, bpp
= default_bpp
, refresh
= 0;
571 int yres_specified
= 0, cvt
= 0, rb
= 0, interlace
= 0, margins
= 0;
572 u32 best
, diff
, tdiff
;
574 for (i
= namelen
-1; i
>= 0; i
--) {
578 if (!refresh_specified
&& !bpp_specified
&&
580 refresh
= simple_strtol(&name
[i
+1], NULL
, 10);
581 refresh_specified
= 1;
589 if (!bpp_specified
&& !yres_specified
) {
590 bpp
= simple_strtol(&name
[i
+1], NULL
, 10);
598 if (!yres_specified
) {
599 yres
= simple_strtol(&name
[i
+1], NULL
, 10);
626 if (i
< 0 && yres_specified
) {
627 xres
= simple_strtol(name
, NULL
, 10);
632 struct fb_videomode cvt_mode
;
635 DPRINTK("CVT mode %dx%d@%dHz%s%s%s\n", xres
, yres
,
636 (refresh
) ? refresh
: 60, (rb
) ? " reduced blanking" :
637 "", (margins
) ? " with margins" : "", (interlace
) ?
640 memset(&cvt_mode
, 0, sizeof(cvt_mode
));
641 cvt_mode
.xres
= xres
;
642 cvt_mode
.yres
= yres
;
643 cvt_mode
.refresh
= (refresh
) ? refresh
: 60;
646 cvt_mode
.vmode
|= FB_VMODE_INTERLACED
;
648 cvt_mode
.vmode
&= ~FB_VMODE_INTERLACED
;
650 ret
= fb_find_mode_cvt(&cvt_mode
, margins
, rb
);
652 if (!ret
&& !fb_try_mode(var
, info
, &cvt_mode
, bpp
)) {
653 DPRINTK("modedb CVT: CVT mode ok\n");
657 DPRINTK("CVT mode invalid, getting mode from database\n");
660 DPRINTK("Trying specified video mode%s %ix%i\n",
661 refresh_specified
? "" : " (ignoring refresh rate)", xres
, yres
);
663 if (!refresh_specified
) {
665 * If the caller has provided a custom mode database and a
666 * valid monspecs structure, we look for the mode with the
667 * highest refresh rate. Otherwise we play it safe it and
668 * try to find a mode with a refresh rate closest to the
672 info
->monspecs
.vfmin
&& info
->monspecs
.vfmax
&&
673 info
->monspecs
.hfmin
&& info
->monspecs
.hfmax
&&
674 info
->monspecs
.dclkmax
) {
683 for (i
= 0; i
< dbsize
; i
++) {
684 if ((name_matches(db
[i
], name
, namelen
) ||
685 (res_specified
&& res_matches(db
[i
], xres
, yres
))) &&
686 !fb_try_mode(var
, info
, &db
[i
], bpp
)) {
687 if (refresh_specified
&& db
[i
].refresh
== refresh
) {
690 if (abs(db
[i
].refresh
- refresh
) < diff
) {
691 diff
= abs(db
[i
].refresh
- refresh
);
698 fb_try_mode(var
, info
, &db
[best
], bpp
);
699 return (refresh_specified
) ? 2 : 1;
702 diff
= 2 * (xres
+ yres
);
704 DPRINTK("Trying best-fit modes\n");
705 for (i
= 0; i
< dbsize
; i
++) {
706 DPRINTK("Trying %ix%i\n", db
[i
].xres
, db
[i
].yres
);
707 if (!fb_try_mode(var
, info
, &db
[i
], bpp
)) {
708 tdiff
= abs(db
[i
].xres
- xres
) +
709 abs(db
[i
].yres
- yres
);
712 * Penalize modes with resolutions smaller
715 if (xres
> db
[i
].xres
|| yres
> db
[i
].yres
)
716 tdiff
+= xres
+ yres
;
725 fb_try_mode(var
, info
, &db
[best
], bpp
);
730 DPRINTK("Trying default video mode\n");
731 if (!fb_try_mode(var
, info
, default_mode
, default_bpp
))
734 DPRINTK("Trying all modes\n");
735 for (i
= 0; i
< dbsize
; i
++)
736 if (!fb_try_mode(var
, info
, &db
[i
], default_bpp
))
739 DPRINTK("No valid mode found\n");
744 * fb_var_to_videomode - convert fb_var_screeninfo to fb_videomode
745 * @mode: pointer to struct fb_videomode
746 * @var: pointer to struct fb_var_screeninfo
748 void fb_var_to_videomode(struct fb_videomode
*mode
,
749 const struct fb_var_screeninfo
*var
)
751 u32 pixclock
, hfreq
, htotal
, vtotal
;
754 mode
->xres
= var
->xres
;
755 mode
->yres
= var
->yres
;
756 mode
->pixclock
= var
->pixclock
;
757 mode
->hsync_len
= var
->hsync_len
;
758 mode
->vsync_len
= var
->vsync_len
;
759 mode
->left_margin
= var
->left_margin
;
760 mode
->right_margin
= var
->right_margin
;
761 mode
->upper_margin
= var
->upper_margin
;
762 mode
->lower_margin
= var
->lower_margin
;
763 mode
->sync
= var
->sync
;
764 mode
->vmode
= var
->vmode
& FB_VMODE_MASK
;
765 mode
->flag
= FB_MODE_IS_FROM_VAR
;
771 pixclock
= PICOS2KHZ(var
->pixclock
) * 1000;
773 htotal
= var
->xres
+ var
->right_margin
+ var
->hsync_len
+
775 vtotal
= var
->yres
+ var
->lower_margin
+ var
->vsync_len
+
778 if (var
->vmode
& FB_VMODE_INTERLACED
)
780 if (var
->vmode
& FB_VMODE_DOUBLE
)
783 hfreq
= pixclock
/htotal
;
784 mode
->refresh
= hfreq
/vtotal
;
788 * fb_videomode_to_var - convert fb_videomode to fb_var_screeninfo
789 * @var: pointer to struct fb_var_screeninfo
790 * @mode: pointer to struct fb_videomode
792 void fb_videomode_to_var(struct fb_var_screeninfo
*var
,
793 const struct fb_videomode
*mode
)
795 var
->xres
= mode
->xres
;
796 var
->yres
= mode
->yres
;
797 var
->xres_virtual
= mode
->xres
;
798 var
->yres_virtual
= mode
->yres
;
801 var
->pixclock
= mode
->pixclock
;
802 var
->left_margin
= mode
->left_margin
;
803 var
->right_margin
= mode
->right_margin
;
804 var
->upper_margin
= mode
->upper_margin
;
805 var
->lower_margin
= mode
->lower_margin
;
806 var
->hsync_len
= mode
->hsync_len
;
807 var
->vsync_len
= mode
->vsync_len
;
808 var
->sync
= mode
->sync
;
809 var
->vmode
= mode
->vmode
& FB_VMODE_MASK
;
813 * fb_mode_is_equal - compare 2 videomodes
814 * @mode1: first videomode
815 * @mode2: second videomode
818 * 1 if equal, 0 if not
820 int fb_mode_is_equal(const struct fb_videomode
*mode1
,
821 const struct fb_videomode
*mode2
)
823 return (mode1
->xres
== mode2
->xres
&&
824 mode1
->yres
== mode2
->yres
&&
825 mode1
->pixclock
== mode2
->pixclock
&&
826 mode1
->hsync_len
== mode2
->hsync_len
&&
827 mode1
->vsync_len
== mode2
->vsync_len
&&
828 mode1
->left_margin
== mode2
->left_margin
&&
829 mode1
->right_margin
== mode2
->right_margin
&&
830 mode1
->upper_margin
== mode2
->upper_margin
&&
831 mode1
->lower_margin
== mode2
->lower_margin
&&
832 mode1
->sync
== mode2
->sync
&&
833 mode1
->vmode
== mode2
->vmode
);
837 * fb_find_best_mode - find best matching videomode
838 * @var: pointer to struct fb_var_screeninfo
839 * @head: pointer to struct list_head of modelist
842 * struct fb_videomode, NULL if none found
845 * This function assumes that all modelist entries in
846 * info->modelist are valid.
849 * Finds best matching videomode which has an equal or greater dimension than
850 * var->xres and var->yres. If more than 1 videomode is found, will return
851 * the videomode with the highest refresh rate
853 const struct fb_videomode
*fb_find_best_mode(const struct fb_var_screeninfo
*var
,
854 struct list_head
*head
)
856 struct list_head
*pos
;
857 struct fb_modelist
*modelist
;
858 struct fb_videomode
*mode
, *best
= NULL
;
861 list_for_each(pos
, head
) {
864 modelist
= list_entry(pos
, struct fb_modelist
, list
);
865 mode
= &modelist
->mode
;
867 if (mode
->xres
>= var
->xres
&& mode
->yres
>= var
->yres
) {
868 d
= (mode
->xres
- var
->xres
) +
869 (mode
->yres
- var
->yres
);
873 } else if (diff
== d
&& best
&&
874 mode
->refresh
> best
->refresh
)
882 * fb_find_nearest_mode - find closest videomode
884 * @mode: pointer to struct fb_videomode
885 * @head: pointer to modelist
887 * Finds best matching videomode, smaller or greater in dimension.
888 * If more than 1 videomode is found, will return the videomode with
889 * the closest refresh rate.
891 const struct fb_videomode
*fb_find_nearest_mode(const struct fb_videomode
*mode
,
892 struct list_head
*head
)
894 struct list_head
*pos
;
895 struct fb_modelist
*modelist
;
896 struct fb_videomode
*cmode
, *best
= NULL
;
897 u32 diff
= -1, diff_refresh
= -1;
899 list_for_each(pos
, head
) {
902 modelist
= list_entry(pos
, struct fb_modelist
, list
);
903 cmode
= &modelist
->mode
;
905 d
= abs(cmode
->xres
- mode
->xres
) +
906 abs(cmode
->yres
- mode
->yres
);
909 diff_refresh
= abs(cmode
->refresh
- mode
->refresh
);
911 } else if (diff
== d
) {
912 d
= abs(cmode
->refresh
- mode
->refresh
);
913 if (diff_refresh
> d
) {
924 * fb_match_mode - find a videomode which exactly matches the timings in var
925 * @var: pointer to struct fb_var_screeninfo
926 * @head: pointer to struct list_head of modelist
929 * struct fb_videomode, NULL if none found
931 const struct fb_videomode
*fb_match_mode(const struct fb_var_screeninfo
*var
,
932 struct list_head
*head
)
934 struct list_head
*pos
;
935 struct fb_modelist
*modelist
;
936 struct fb_videomode
*m
, mode
;
938 fb_var_to_videomode(&mode
, var
);
939 list_for_each(pos
, head
) {
940 modelist
= list_entry(pos
, struct fb_modelist
, list
);
942 if (fb_mode_is_equal(m
, &mode
))
949 * fb_add_videomode - adds videomode entry to modelist
950 * @mode: videomode to add
951 * @head: struct list_head of modelist
954 * Will only add unmatched mode entries
956 int fb_add_videomode(const struct fb_videomode
*mode
, struct list_head
*head
)
958 struct list_head
*pos
;
959 struct fb_modelist
*modelist
;
960 struct fb_videomode
*m
;
963 list_for_each(pos
, head
) {
964 modelist
= list_entry(pos
, struct fb_modelist
, list
);
966 if (fb_mode_is_equal(m
, mode
)) {
972 modelist
= kmalloc(sizeof(struct fb_modelist
),
977 modelist
->mode
= *mode
;
978 list_add(&modelist
->list
, head
);
984 * fb_delete_videomode - removed videomode entry from modelist
985 * @mode: videomode to remove
986 * @head: struct list_head of modelist
989 * Will remove all matching mode entries
991 void fb_delete_videomode(const struct fb_videomode
*mode
,
992 struct list_head
*head
)
994 struct list_head
*pos
, *n
;
995 struct fb_modelist
*modelist
;
996 struct fb_videomode
*m
;
998 list_for_each_safe(pos
, n
, head
) {
999 modelist
= list_entry(pos
, struct fb_modelist
, list
);
1000 m
= &modelist
->mode
;
1001 if (fb_mode_is_equal(m
, mode
)) {
1009 * fb_destroy_modelist - destroy modelist
1010 * @head: struct list_head of modelist
1012 void fb_destroy_modelist(struct list_head
*head
)
1014 struct list_head
*pos
, *n
;
1016 list_for_each_safe(pos
, n
, head
) {
1021 EXPORT_SYMBOL_GPL(fb_destroy_modelist
);
1024 * fb_videomode_to_modelist - convert mode array to mode list
1025 * @modedb: array of struct fb_videomode
1026 * @num: number of entries in array
1027 * @head: struct list_head of modelist
1029 void fb_videomode_to_modelist(const struct fb_videomode
*modedb
, int num
,
1030 struct list_head
*head
)
1034 INIT_LIST_HEAD(head
);
1036 for (i
= 0; i
< num
; i
++) {
1037 if (fb_add_videomode(&modedb
[i
], head
))
1042 const struct fb_videomode
*fb_find_best_display(const struct fb_monspecs
*specs
,
1043 struct list_head
*head
)
1045 struct list_head
*pos
;
1046 struct fb_modelist
*modelist
;
1047 const struct fb_videomode
*m
, *m1
= NULL
, *md
= NULL
, *best
= NULL
;
1050 if (!head
->prev
|| !head
->next
|| list_empty(head
))
1053 /* get the first detailed mode and the very first mode */
1054 list_for_each(pos
, head
) {
1055 modelist
= list_entry(pos
, struct fb_modelist
, list
);
1056 m
= &modelist
->mode
;
1063 if (m
->flag
& FB_MODE_IS_FIRST
) {
1069 /* first detailed timing is preferred */
1070 if (specs
->misc
& FB_MISC_1ST_DETAIL
) {
1075 /* find best mode based on display width and height */
1076 if (specs
->max_x
&& specs
->max_y
) {
1077 struct fb_var_screeninfo var
;
1079 memset(&var
, 0, sizeof(struct fb_var_screeninfo
));
1080 var
.xres
= (specs
->max_x
* 7200)/254;
1081 var
.yres
= (specs
->max_y
* 7200)/254;
1082 m
= fb_find_best_mode(&var
, head
);
1089 /* use first detailed mode */
1095 /* last resort, use the very first mode */
1100 EXPORT_SYMBOL(fb_find_best_display
);
1102 EXPORT_SYMBOL(fb_videomode_to_var
);
1103 EXPORT_SYMBOL(fb_var_to_videomode
);
1104 EXPORT_SYMBOL(fb_mode_is_equal
);
1105 EXPORT_SYMBOL(fb_add_videomode
);
1106 EXPORT_SYMBOL(fb_match_mode
);
1107 EXPORT_SYMBOL(fb_find_best_mode
);
1108 EXPORT_SYMBOL(fb_find_nearest_mode
);
1109 EXPORT_SYMBOL(fb_videomode_to_modelist
);
1110 EXPORT_SYMBOL(fb_find_mode
);
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