Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * linux/drivers/video/modedb.c -- Standard video mode database management | |
3 | * | |
4 | * Copyright (C) 1999 Geert Uytterhoeven | |
5 | * | |
6 | * 2001 - Documented with DocBook | |
7 | * - Brad Douglas <brad@neruo.com> | |
8 | * | |
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 | |
11 | * more details. | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
5a0e3ad6 | 15 | #include <linux/slab.h> |
1da177e4 | 16 | #include <linux/fb.h> |
2cb96f86 | 17 | #include <linux/kernel.h> |
1da177e4 LT |
18 | |
19 | #undef DEBUG | |
20 | ||
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)) | |
25 | ||
26 | #ifdef DEBUG | |
5ae12170 | 27 | #define DPRINTK(fmt, args...) printk("modedb %s: " fmt, __func__ , ## args) |
1da177e4 LT |
28 | #else |
29 | #define DPRINTK(fmt, args...) | |
30 | #endif | |
31 | ||
ccd8c79c MJ |
32 | /* |
33 | * Standard video mode definitions (taken from XFree86) | |
34 | */ | |
1da177e4 | 35 | |
1da177e4 | 36 | static const struct fb_videomode modedb[] = { |
ccd8c79c | 37 | |
1da177e4 | 38 | /* 640x400 @ 70 Hz, 31.5 kHz hsync */ |
ccd8c79c MJ |
39 | { NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2, 0, |
40 | FB_VMODE_NONINTERLACED }, | |
41 | ||
1da177e4 | 42 | /* 640x480 @ 60 Hz, 31.5 kHz hsync */ |
ccd8c79c MJ |
43 | { NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, 0, |
44 | FB_VMODE_NONINTERLACED }, | |
45 | ||
1da177e4 | 46 | /* 800x600 @ 56 Hz, 35.15 kHz hsync */ |
ccd8c79c MJ |
47 | { NULL, 56, 800, 600, 27777, 128, 24, 22, 1, 72, 2, 0, |
48 | FB_VMODE_NONINTERLACED }, | |
49 | ||
1da177e4 | 50 | /* 1024x768 @ 87 Hz interlaced, 35.5 kHz hsync */ |
ccd8c79c MJ |
51 | { NULL, 87, 1024, 768, 22271, 56, 24, 33, 8, 160, 8, 0, |
52 | FB_VMODE_INTERLACED }, | |
53 | ||
1da177e4 | 54 | /* 640x400 @ 85 Hz, 37.86 kHz hsync */ |
ccd8c79c MJ |
55 | { NULL, 85, 640, 400, 31746, 96, 32, 41, 1, 64, 3, |
56 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, | |
57 | ||
1da177e4 | 58 | /* 640x480 @ 72 Hz, 36.5 kHz hsync */ |
ccd8c79c MJ |
59 | { NULL, 72, 640, 480, 31746, 144, 40, 30, 8, 40, 3, 0, |
60 | FB_VMODE_NONINTERLACED }, | |
61 | ||
1da177e4 | 62 | /* 640x480 @ 75 Hz, 37.50 kHz hsync */ |
ccd8c79c MJ |
63 | { NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0, |
64 | FB_VMODE_NONINTERLACED }, | |
65 | ||
1da177e4 | 66 | /* 800x600 @ 60 Hz, 37.8 kHz hsync */ |
ccd8c79c MJ |
67 | { NULL, 60, 800, 600, 25000, 88, 40, 23, 1, 128, 4, |
68 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
69 | FB_VMODE_NONINTERLACED }, | |
70 | ||
1da177e4 | 71 | /* 640x480 @ 85 Hz, 43.27 kHz hsync */ |
ccd8c79c MJ |
72 | { NULL, 85, 640, 480, 27777, 80, 56, 25, 1, 56, 3, 0, |
73 | FB_VMODE_NONINTERLACED }, | |
74 | ||
1da177e4 | 75 | /* 1152x864 @ 89 Hz interlaced, 44 kHz hsync */ |
ccd8c79c MJ |
76 | { NULL, 89, 1152, 864, 15384, 96, 16, 110, 1, 216, 10, 0, |
77 | FB_VMODE_INTERLACED }, | |
1da177e4 | 78 | /* 800x600 @ 72 Hz, 48.0 kHz hsync */ |
ccd8c79c MJ |
79 | { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6, |
80 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
81 | FB_VMODE_NONINTERLACED }, | |
82 | ||
1da177e4 | 83 | /* 1024x768 @ 60 Hz, 48.4 kHz hsync */ |
ccd8c79c MJ |
84 | { NULL, 60, 1024, 768, 15384, 168, 8, 29, 3, 144, 6, 0, |
85 | FB_VMODE_NONINTERLACED }, | |
86 | ||
1da177e4 | 87 | /* 640x480 @ 100 Hz, 53.01 kHz hsync */ |
ccd8c79c MJ |
88 | { NULL, 100, 640, 480, 21834, 96, 32, 36, 8, 96, 6, 0, |
89 | FB_VMODE_NONINTERLACED }, | |
90 | ||
1da177e4 | 91 | /* 1152x864 @ 60 Hz, 53.5 kHz hsync */ |
ccd8c79c MJ |
92 | { NULL, 60, 1152, 864, 11123, 208, 64, 16, 4, 256, 8, 0, |
93 | FB_VMODE_NONINTERLACED }, | |
94 | ||
1da177e4 | 95 | /* 800x600 @ 85 Hz, 55.84 kHz hsync */ |
ccd8c79c MJ |
96 | { NULL, 85, 800, 600, 16460, 160, 64, 36, 16, 64, 5, 0, |
97 | FB_VMODE_NONINTERLACED }, | |
98 | ||
1da177e4 | 99 | /* 1024x768 @ 70 Hz, 56.5 kHz hsync */ |
ccd8c79c MJ |
100 | { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, 0, |
101 | FB_VMODE_NONINTERLACED }, | |
102 | ||
1da177e4 | 103 | /* 1280x1024 @ 87 Hz interlaced, 51 kHz hsync */ |
ccd8c79c MJ |
104 | { NULL, 87, 1280, 1024, 12500, 56, 16, 128, 1, 216, 12, 0, |
105 | FB_VMODE_INTERLACED }, | |
106 | ||
1da177e4 | 107 | /* 800x600 @ 100 Hz, 64.02 kHz hsync */ |
ccd8c79c MJ |
108 | { NULL, 100, 800, 600, 14357, 160, 64, 30, 4, 64, 6, 0, |
109 | FB_VMODE_NONINTERLACED }, | |
110 | ||
1da177e4 | 111 | /* 1024x768 @ 76 Hz, 62.5 kHz hsync */ |
ccd8c79c MJ |
112 | { NULL, 76, 1024, 768, 11764, 208, 8, 36, 16, 120, 3, 0, |
113 | FB_VMODE_NONINTERLACED }, | |
114 | ||
1da177e4 | 115 | /* 1152x864 @ 70 Hz, 62.4 kHz hsync */ |
ccd8c79c MJ |
116 | { NULL, 70, 1152, 864, 10869, 106, 56, 20, 1, 160, 10, 0, |
117 | FB_VMODE_NONINTERLACED }, | |
118 | ||
1da177e4 | 119 | /* 1280x1024 @ 61 Hz, 64.2 kHz hsync */ |
ccd8c79c MJ |
120 | { NULL, 61, 1280, 1024, 9090, 200, 48, 26, 1, 184, 3, 0, |
121 | FB_VMODE_NONINTERLACED }, | |
122 | ||
1da177e4 | 123 | /* 1400x1050 @ 60Hz, 63.9 kHz hsync */ |
ccd8c79c MJ |
124 | { NULL, 60, 1400, 1050, 9259, 136, 40, 13, 1, 112, 3, 0, |
125 | FB_VMODE_NONINTERLACED }, | |
126 | ||
1da177e4 | 127 | /* 1400x1050 @ 75,107 Hz, 82,392 kHz +hsync +vsync*/ |
ccd8c79c MJ |
128 | { NULL, 75, 1400, 1050, 7190, 120, 56, 23, 10, 112, 13, |
129 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
130 | FB_VMODE_NONINTERLACED }, | |
131 | ||
1da177e4 | 132 | /* 1400x1050 @ 60 Hz, ? kHz +hsync +vsync*/ |
ccd8c79c MJ |
133 | { NULL, 60, 1400, 1050, 9259, 128, 40, 12, 0, 112, 3, |
134 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
135 | FB_VMODE_NONINTERLACED }, | |
136 | ||
1da177e4 | 137 | /* 1024x768 @ 85 Hz, 70.24 kHz hsync */ |
ccd8c79c MJ |
138 | { NULL, 85, 1024, 768, 10111, 192, 32, 34, 14, 160, 6, 0, |
139 | FB_VMODE_NONINTERLACED }, | |
140 | ||
1da177e4 | 141 | /* 1152x864 @ 78 Hz, 70.8 kHz hsync */ |
ccd8c79c MJ |
142 | { NULL, 78, 1152, 864, 9090, 228, 88, 32, 0, 84, 12, 0, |
143 | FB_VMODE_NONINTERLACED }, | |
144 | ||
1da177e4 | 145 | /* 1280x1024 @ 70 Hz, 74.59 kHz hsync */ |
ccd8c79c MJ |
146 | { NULL, 70, 1280, 1024, 7905, 224, 32, 28, 8, 160, 8, 0, |
147 | FB_VMODE_NONINTERLACED }, | |
148 | ||
1da177e4 | 149 | /* 1600x1200 @ 60Hz, 75.00 kHz hsync */ |
ccd8c79c MJ |
150 | { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, |
151 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
152 | FB_VMODE_NONINTERLACED }, | |
153 | ||
1da177e4 | 154 | /* 1152x864 @ 84 Hz, 76.0 kHz hsync */ |
ccd8c79c MJ |
155 | { NULL, 84, 1152, 864, 7407, 184, 312, 32, 0, 128, 12, 0, |
156 | FB_VMODE_NONINTERLACED }, | |
157 | ||
1da177e4 | 158 | /* 1280x1024 @ 74 Hz, 78.85 kHz hsync */ |
ccd8c79c MJ |
159 | { NULL, 74, 1280, 1024, 7407, 256, 32, 34, 3, 144, 3, 0, |
160 | FB_VMODE_NONINTERLACED }, | |
161 | ||
1da177e4 | 162 | /* 1024x768 @ 100Hz, 80.21 kHz hsync */ |
ccd8c79c MJ |
163 | { NULL, 100, 1024, 768, 8658, 192, 32, 21, 3, 192, 10, 0, |
164 | FB_VMODE_NONINTERLACED }, | |
165 | ||
1da177e4 | 166 | /* 1280x1024 @ 76 Hz, 81.13 kHz hsync */ |
ccd8c79c MJ |
167 | { NULL, 76, 1280, 1024, 7407, 248, 32, 34, 3, 104, 3, 0, |
168 | FB_VMODE_NONINTERLACED }, | |
169 | ||
1da177e4 | 170 | /* 1600x1200 @ 70 Hz, 87.50 kHz hsync */ |
ccd8c79c MJ |
171 | { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, 0, |
172 | FB_VMODE_NONINTERLACED }, | |
173 | ||
1da177e4 | 174 | /* 1152x864 @ 100 Hz, 89.62 kHz hsync */ |
ccd8c79c MJ |
175 | { NULL, 100, 1152, 864, 7264, 224, 32, 17, 2, 128, 19, 0, |
176 | FB_VMODE_NONINTERLACED }, | |
177 | ||
1da177e4 | 178 | /* 1280x1024 @ 85 Hz, 91.15 kHz hsync */ |
ccd8c79c MJ |
179 | { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3, |
180 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
181 | FB_VMODE_NONINTERLACED }, | |
182 | ||
1da177e4 | 183 | /* 1600x1200 @ 75 Hz, 93.75 kHz hsync */ |
ccd8c79c MJ |
184 | { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, |
185 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
186 | FB_VMODE_NONINTERLACED }, | |
187 | ||
b0c87978 | 188 | /* 1680x1050 @ 60 Hz, 65.191 kHz hsync */ |
ccd8c79c MJ |
189 | { NULL, 60, 1680, 1050, 6848, 280, 104, 30, 3, 176, 6, |
190 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
191 | FB_VMODE_NONINTERLACED }, | |
192 | ||
1da177e4 | 193 | /* 1600x1200 @ 85 Hz, 105.77 kHz hsync */ |
ccd8c79c MJ |
194 | { NULL, 85, 1600, 1200, 4545, 272, 16, 37, 4, 192, 3, |
195 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
196 | FB_VMODE_NONINTERLACED }, | |
197 | ||
1da177e4 | 198 | /* 1280x1024 @ 100 Hz, 107.16 kHz hsync */ |
ccd8c79c MJ |
199 | { NULL, 100, 1280, 1024, 5502, 256, 32, 26, 7, 128, 15, 0, |
200 | FB_VMODE_NONINTERLACED }, | |
201 | ||
1da177e4 | 202 | /* 1800x1440 @ 64Hz, 96.15 kHz hsync */ |
ccd8c79c MJ |
203 | { NULL, 64, 1800, 1440, 4347, 304, 96, 46, 1, 192, 3, |
204 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
205 | FB_VMODE_NONINTERLACED }, | |
206 | ||
1da177e4 | 207 | /* 1800x1440 @ 70Hz, 104.52 kHz hsync */ |
ccd8c79c MJ |
208 | { NULL, 70, 1800, 1440, 4000, 304, 96, 46, 1, 192, 3, |
209 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
210 | FB_VMODE_NONINTERLACED }, | |
211 | ||
1da177e4 | 212 | /* 512x384 @ 78 Hz, 31.50 kHz hsync */ |
ccd8c79c MJ |
213 | { NULL, 78, 512, 384, 49603, 48, 16, 16, 1, 64, 3, 0, |
214 | FB_VMODE_NONINTERLACED }, | |
215 | ||
1da177e4 | 216 | /* 512x384 @ 85 Hz, 34.38 kHz hsync */ |
ccd8c79c MJ |
217 | { NULL, 85, 512, 384, 45454, 48, 16, 16, 1, 64, 3, 0, |
218 | FB_VMODE_NONINTERLACED }, | |
219 | ||
1da177e4 | 220 | /* 320x200 @ 70 Hz, 31.5 kHz hsync, 8:5 aspect ratio */ |
ccd8c79c MJ |
221 | { NULL, 70, 320, 200, 79440, 16, 16, 20, 4, 48, 1, 0, |
222 | FB_VMODE_DOUBLE }, | |
223 | ||
1da177e4 | 224 | /* 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio */ |
ccd8c79c MJ |
225 | { NULL, 60, 320, 240, 79440, 16, 16, 16, 5, 48, 1, 0, |
226 | FB_VMODE_DOUBLE }, | |
227 | ||
1da177e4 | 228 | /* 320x240 @ 72 Hz, 36.5 kHz hsync */ |
ccd8c79c MJ |
229 | { NULL, 72, 320, 240, 63492, 16, 16, 16, 4, 48, 2, 0, |
230 | FB_VMODE_DOUBLE }, | |
231 | ||
1da177e4 | 232 | /* 400x300 @ 56 Hz, 35.2 kHz hsync, 4:3 aspect ratio */ |
ccd8c79c MJ |
233 | { NULL, 56, 400, 300, 55555, 64, 16, 10, 1, 32, 1, 0, |
234 | FB_VMODE_DOUBLE }, | |
235 | ||
1da177e4 | 236 | /* 400x300 @ 60 Hz, 37.8 kHz hsync */ |
ccd8c79c MJ |
237 | { NULL, 60, 400, 300, 50000, 48, 16, 11, 1, 64, 2, 0, |
238 | FB_VMODE_DOUBLE }, | |
239 | ||
1da177e4 | 240 | /* 400x300 @ 72 Hz, 48.0 kHz hsync */ |
ccd8c79c MJ |
241 | { NULL, 72, 400, 300, 40000, 32, 24, 11, 19, 64, 3, 0, |
242 | FB_VMODE_DOUBLE }, | |
243 | ||
1da177e4 | 244 | /* 480x300 @ 56 Hz, 35.2 kHz hsync, 8:5 aspect ratio */ |
ccd8c79c MJ |
245 | { NULL, 56, 480, 300, 46176, 80, 16, 10, 1, 40, 1, 0, |
246 | FB_VMODE_DOUBLE }, | |
247 | ||
1da177e4 | 248 | /* 480x300 @ 60 Hz, 37.8 kHz hsync */ |
ccd8c79c MJ |
249 | { NULL, 60, 480, 300, 41858, 56, 16, 11, 1, 80, 2, 0, |
250 | FB_VMODE_DOUBLE }, | |
251 | ||
1da177e4 | 252 | /* 480x300 @ 63 Hz, 39.6 kHz hsync */ |
ccd8c79c MJ |
253 | { NULL, 63, 480, 300, 40000, 56, 16, 11, 1, 80, 2, 0, |
254 | FB_VMODE_DOUBLE }, | |
255 | ||
1da177e4 | 256 | /* 480x300 @ 72 Hz, 48.0 kHz hsync */ |
ccd8c79c MJ |
257 | { NULL, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3, 0, |
258 | FB_VMODE_DOUBLE }, | |
259 | ||
db6778db | 260 | /* 1920x1200 @ 60 Hz, 74.5 Khz hsync */ |
ccd8c79c MJ |
261 | { NULL, 60, 1920, 1200, 5177, 128, 336, 1, 38, 208, 3, |
262 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
263 | FB_VMODE_NONINTERLACED }, | |
264 | ||
1dfcdfae | 265 | /* 1152x768, 60 Hz, PowerBook G4 Titanium I and II */ |
ccd8c79c MJ |
266 | { NULL, 60, 1152, 768, 14047, 158, 26, 29, 3, 136, 6, |
267 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
268 | FB_VMODE_NONINTERLACED }, | |
269 | ||
f71689e4 | 270 | /* 1366x768, 60 Hz, 47.403 kHz hsync, WXGA 16:9 aspect ratio */ |
ccd8c79c MJ |
271 | { NULL, 60, 1366, 768, 13806, 120, 10, 14, 3, 32, 5, 0, |
272 | FB_VMODE_NONINTERLACED }, | |
273 | ||
545c4423 | 274 | /* 1280x800, 60 Hz, 47.403 kHz hsync, WXGA 16:10 aspect ratio */ |
ccd8c79c MJ |
275 | { NULL, 60, 1280, 800, 12048, 200, 64, 24, 1, 136, 3, 0, |
276 | FB_VMODE_NONINTERLACED }, | |
277 | ||
278 | /* 720x576i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */ | |
279 | { NULL, 50, 720, 576, 74074, 64, 16, 39, 5, 64, 5, 0, | |
280 | FB_VMODE_INTERLACED }, | |
281 | ||
282 | /* 800x520i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */ | |
283 | { NULL, 50, 800, 520, 58823, 144, 64, 72, 28, 80, 5, 0, | |
284 | FB_VMODE_INTERLACED }, | |
285 | ||
17ca20cb | 286 | /* 864x480 @ 60 Hz, 35.15 kHz hsync */ |
ccd8c79c MJ |
287 | { NULL, 60, 864, 480, 27777, 1, 1, 1, 1, 0, 0, |
288 | 0, FB_VMODE_NONINTERLACED }, | |
1da177e4 LT |
289 | }; |
290 | ||
291 | #ifdef CONFIG_FB_MODE_HELPERS | |
0ad83f68 GL |
292 | const struct fb_videomode cea_modes[64] = { |
293 | /* #1: 640x480p@59.94/60Hz */ | |
294 | [1] = { | |
ccd8c79c MJ |
295 | NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, |
296 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
297 | }, |
298 | /* #3: 720x480p@59.94/60Hz */ | |
299 | [3] = { | |
ccd8c79c MJ |
300 | NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, |
301 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
302 | }, |
303 | /* #5: 1920x1080i@59.94/60Hz */ | |
304 | [5] = { | |
2006920a | 305 | NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5, |
ccd8c79c MJ |
306 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
307 | FB_VMODE_INTERLACED, 0, | |
0ad83f68 GL |
308 | }, |
309 | /* #7: 720(1440)x480iH@59.94/60Hz */ | |
310 | [7] = { | |
ccd8c79c MJ |
311 | NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, |
312 | FB_VMODE_INTERLACED, 0, | |
0ad83f68 GL |
313 | }, |
314 | /* #9: 720(1440)x240pH@59.94/60Hz */ | |
315 | [9] = { | |
ccd8c79c MJ |
316 | NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, |
317 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
318 | }, |
319 | /* #18: 720x576pH@50Hz */ | |
320 | [18] = { | |
ccd8c79c MJ |
321 | NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, |
322 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
323 | }, |
324 | /* #19: 1280x720p@50Hz */ | |
325 | [19] = { | |
2006920a | 326 | NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5, |
ccd8c79c MJ |
327 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
328 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
329 | }, |
330 | /* #20: 1920x1080i@50Hz */ | |
331 | [20] = { | |
2006920a | 332 | NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5, |
ccd8c79c MJ |
333 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
334 | FB_VMODE_INTERLACED, 0, | |
0ad83f68 GL |
335 | }, |
336 | /* #32: 1920x1080p@23.98/24Hz */ | |
337 | [32] = { | |
2006920a | 338 | NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5, |
ccd8c79c MJ |
339 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
340 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
341 | }, |
342 | /* #35: (2880)x480p4x@59.94/60Hz */ | |
343 | [35] = { | |
ccd8c79c MJ |
344 | NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, |
345 | FB_VMODE_NONINTERLACED, 0, | |
0ad83f68 GL |
346 | }, |
347 | }; | |
348 | ||
1da177e4 LT |
349 | const struct fb_videomode vesa_modes[] = { |
350 | /* 0 640x350-85 VESA */ | |
351 | { NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3, | |
352 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA}, | |
353 | /* 1 640x400-85 VESA */ | |
354 | { NULL, 85, 640, 400, 31746, 96, 32, 41, 01, 64, 3, | |
355 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
356 | /* 2 720x400-85 VESA */ | |
357 | { NULL, 85, 721, 400, 28169, 108, 36, 42, 01, 72, 3, | |
358 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
359 | /* 3 640x480-60 VESA */ | |
ccd8c79c | 360 | { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2, |
1da177e4 LT |
361 | 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, |
362 | /* 4 640x480-72 VESA */ | |
ccd8c79c | 363 | { NULL, 72, 640, 480, 31746, 128, 24, 29, 9, 40, 2, |
1da177e4 LT |
364 | 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, |
365 | /* 5 640x480-75 VESA */ | |
366 | { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3, | |
367 | 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
368 | /* 6 640x480-85 VESA */ | |
369 | { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3, | |
370 | 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
371 | /* 7 800x600-56 VESA */ | |
372 | { NULL, 56, 800, 600, 27777, 128, 24, 22, 01, 72, 2, | |
373 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
374 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
375 | /* 8 800x600-60 VESA */ | |
376 | { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4, | |
377 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
378 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
379 | /* 9 800x600-72 VESA */ | |
380 | { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6, | |
381 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
382 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
383 | /* 10 800x600-75 VESA */ | |
384 | { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3, | |
385 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
386 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
387 | /* 11 800x600-85 VESA */ | |
388 | { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3, | |
389 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
390 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
391 | /* 12 1024x768i-43 VESA */ | |
9d775e17 | 392 | { NULL, 43, 1024, 768, 22271, 56, 8, 41, 0, 176, 8, |
1da177e4 LT |
393 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
394 | FB_VMODE_INTERLACED, FB_MODE_IS_VESA }, | |
395 | /* 13 1024x768-60 VESA */ | |
396 | { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6, | |
397 | 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
398 | /* 14 1024x768-70 VESA */ | |
399 | { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, | |
400 | 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
401 | /* 15 1024x768-75 VESA */ | |
402 | { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3, | |
403 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
404 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
405 | /* 16 1024x768-85 VESA */ | |
406 | { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3, | |
407 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
408 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
409 | /* 17 1152x864-75 VESA */ | |
3efbb987 | 410 | { NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3, |
1da177e4 LT |
411 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
412 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
413 | /* 18 1280x960-60 VESA */ | |
414 | { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3, | |
415 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
416 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
417 | /* 19 1280x960-85 VESA */ | |
418 | { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3, | |
419 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
420 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
421 | /* 20 1280x1024-60 VESA */ | |
422 | { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, | |
423 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
424 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
425 | /* 21 1280x1024-75 VESA */ | |
426 | { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3, | |
427 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
428 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
429 | /* 22 1280x1024-85 VESA */ | |
430 | { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3, | |
431 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
432 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
433 | /* 23 1600x1200-60 VESA */ | |
434 | { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, | |
435 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
436 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
437 | /* 24 1600x1200-65 VESA */ | |
438 | { NULL, 65, 1600, 1200, 5698, 304, 64, 46, 1, 192, 3, | |
439 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
440 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
441 | /* 25 1600x1200-70 VESA */ | |
442 | { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, | |
443 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
444 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
445 | /* 26 1600x1200-75 VESA */ | |
ccd8c79c | 446 | { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, |
1da177e4 LT |
447 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
448 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
449 | /* 27 1600x1200-85 VESA */ | |
450 | { NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3, | |
451 | FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
452 | FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
453 | /* 28 1792x1344-60 VESA */ | |
454 | { NULL, 60, 1792, 1344, 4882, 328, 128, 46, 1, 200, 3, | |
455 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
456 | /* 29 1792x1344-75 VESA */ | |
457 | { NULL, 75, 1792, 1344, 3831, 352, 96, 69, 1, 216, 3, | |
458 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
459 | /* 30 1856x1392-60 VESA */ | |
460 | { NULL, 60, 1856, 1392, 4580, 352, 96, 43, 1, 224, 3, | |
461 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
462 | /* 31 1856x1392-75 VESA */ | |
463 | { NULL, 75, 1856, 1392, 3472, 352, 128, 104, 1, 224, 3, | |
464 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
465 | /* 32 1920x1440-60 VESA */ | |
466 | { NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 200, 3, | |
467 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
468 | /* 33 1920x1440-75 VESA */ | |
9d775e17 | 469 | { NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3, |
1da177e4 | 470 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, |
37715f55 DU |
471 | /* 34 1920x1200-60 RB VESA */ |
472 | { NULL, 60, 1920, 1200, 6493, 80, 48, 26, 3, 32, 6, | |
473 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
474 | /* 35 1920x1200-60 VESA */ | |
475 | { NULL, 60, 1920, 1200, 5174, 336, 136, 36, 3, 200, 6, | |
476 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
477 | /* 36 1920x1200-75 VESA */ | |
478 | { NULL, 75, 1920, 1200, 4077, 344, 136, 46, 3, 208, 6, | |
479 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
480 | /* 37 1920x1200-85 VESA */ | |
481 | { NULL, 85, 1920, 1200, 3555, 352, 144, 53, 3, 208, 6, | |
482 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
483 | /* 38 2560x1600-60 RB VESA */ | |
484 | { NULL, 60, 2560, 1600, 3724, 80, 48, 37, 3, 32, 6, | |
485 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
486 | /* 39 2560x1600-60 VESA */ | |
487 | { NULL, 60, 2560, 1600, 2869, 472, 192, 49, 3, 280, 6, | |
488 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
489 | /* 40 2560x1600-75 VESA */ | |
490 | { NULL, 75, 2560, 1600, 2256, 488, 208, 63, 3, 280, 6, | |
491 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
492 | /* 41 2560x1600-85 VESA */ | |
493 | { NULL, 85, 2560, 1600, 1979, 488, 208, 73, 3, 280, 6, | |
494 | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
495 | /* 42 2560x1600-120 RB VESA */ | |
496 | { NULL, 120, 2560, 1600, 1809, 80, 48, 85, 3, 32, 6, | |
497 | FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, | |
1da177e4 LT |
498 | }; |
499 | EXPORT_SYMBOL(vesa_modes); | |
8f5ee77b DU |
500 | |
501 | const struct dmt_videomode dmt_modes[DMT_SIZE] = { | |
502 | { 0x01, 0x0000, 0x000000, &vesa_modes[0] }, | |
503 | { 0x02, 0x3119, 0x000000, &vesa_modes[1] }, | |
504 | { 0x03, 0x0000, 0x000000, &vesa_modes[2] }, | |
505 | { 0x04, 0x3140, 0x000000, &vesa_modes[3] }, | |
506 | { 0x05, 0x314c, 0x000000, &vesa_modes[4] }, | |
507 | { 0x06, 0x314f, 0x000000, &vesa_modes[5] }, | |
508 | { 0x07, 0x3159, 0x000000, &vesa_modes[6] }, | |
509 | { 0x08, 0x0000, 0x000000, &vesa_modes[7] }, | |
510 | { 0x09, 0x4540, 0x000000, &vesa_modes[8] }, | |
511 | { 0x0a, 0x454c, 0x000000, &vesa_modes[9] }, | |
512 | { 0x0b, 0x454f, 0x000000, &vesa_modes[10] }, | |
513 | { 0x0c, 0x4559, 0x000000, &vesa_modes[11] }, | |
ba59bab7 DU |
514 | { 0x0d, 0x0000, 0x000000, NULL }, |
515 | { 0x0e, 0x0000, 0x000000, NULL }, | |
8f5ee77b DU |
516 | { 0x0f, 0x0000, 0x000000, &vesa_modes[12] }, |
517 | { 0x10, 0x6140, 0x000000, &vesa_modes[13] }, | |
518 | { 0x11, 0x614a, 0x000000, &vesa_modes[14] }, | |
519 | { 0x12, 0x614f, 0x000000, &vesa_modes[15] }, | |
520 | { 0x13, 0x6159, 0x000000, &vesa_modes[16] }, | |
ba59bab7 | 521 | { 0x14, 0x0000, 0x000000, NULL }, |
8f5ee77b | 522 | { 0x15, 0x714f, 0x000000, &vesa_modes[17] }, |
ba59bab7 DU |
523 | { 0x16, 0x0000, 0x7f1c21, NULL }, |
524 | { 0x17, 0x0000, 0x7f1c28, NULL }, | |
525 | { 0x18, 0x0000, 0x7f1c44, NULL }, | |
526 | { 0x19, 0x0000, 0x7f1c62, NULL }, | |
527 | { 0x1a, 0x0000, 0x000000, NULL }, | |
528 | { 0x1b, 0x0000, 0x8f1821, NULL }, | |
529 | { 0x1c, 0x8100, 0x8f1828, NULL }, | |
530 | { 0x1d, 0x810f, 0x8f1844, NULL }, | |
531 | { 0x1e, 0x8119, 0x8f1862, NULL }, | |
532 | { 0x1f, 0x0000, 0x000000, NULL }, | |
8f5ee77b DU |
533 | { 0x20, 0x8140, 0x000000, &vesa_modes[18] }, |
534 | { 0x21, 0x8159, 0x000000, &vesa_modes[19] }, | |
ba59bab7 | 535 | { 0x22, 0x0000, 0x000000, NULL }, |
8f5ee77b DU |
536 | { 0x23, 0x8180, 0x000000, &vesa_modes[20] }, |
537 | { 0x24, 0x818f, 0x000000, &vesa_modes[21] }, | |
538 | { 0x25, 0x8199, 0x000000, &vesa_modes[22] }, | |
ba59bab7 DU |
539 | { 0x26, 0x0000, 0x000000, NULL }, |
540 | { 0x27, 0x0000, 0x000000, NULL }, | |
541 | { 0x28, 0x0000, 0x000000, NULL }, | |
542 | { 0x29, 0x0000, 0x0c2021, NULL }, | |
543 | { 0x2a, 0x9040, 0x0c2028, NULL }, | |
544 | { 0x2b, 0x904f, 0x0c2044, NULL }, | |
545 | { 0x2c, 0x9059, 0x0c2062, NULL }, | |
546 | { 0x2d, 0x0000, 0x000000, NULL }, | |
547 | { 0x2e, 0x9500, 0xc11821, NULL }, | |
548 | { 0x2f, 0x9500, 0xc11828, NULL }, | |
549 | { 0x30, 0x950f, 0xc11844, NULL }, | |
550 | { 0x31, 0x9519, 0xc11868, NULL }, | |
551 | { 0x32, 0x0000, 0x000000, NULL }, | |
8f5ee77b DU |
552 | { 0x33, 0xa940, 0x000000, &vesa_modes[23] }, |
553 | { 0x34, 0xa945, 0x000000, &vesa_modes[24] }, | |
554 | { 0x35, 0xa94a, 0x000000, &vesa_modes[25] }, | |
555 | { 0x36, 0xa94f, 0x000000, &vesa_modes[26] }, | |
556 | { 0x37, 0xa959, 0x000000, &vesa_modes[27] }, | |
ba59bab7 DU |
557 | { 0x38, 0x0000, 0x000000, NULL }, |
558 | { 0x39, 0x0000, 0x0c2821, NULL }, | |
559 | { 0x3a, 0xb300, 0x0c2828, NULL }, | |
560 | { 0x3b, 0xb30f, 0x0c2844, NULL }, | |
561 | { 0x3c, 0xb319, 0x0c2868, NULL }, | |
562 | { 0x3d, 0x0000, 0x000000, NULL }, | |
8f5ee77b DU |
563 | { 0x3e, 0xc140, 0x000000, &vesa_modes[28] }, |
564 | { 0x3f, 0xc14f, 0x000000, &vesa_modes[29] }, | |
ba59bab7 | 565 | { 0x40, 0x0000, 0x000000, NULL}, |
8f5ee77b DU |
566 | { 0x41, 0xc940, 0x000000, &vesa_modes[30] }, |
567 | { 0x42, 0xc94f, 0x000000, &vesa_modes[31] }, | |
ba59bab7 | 568 | { 0x43, 0x0000, 0x000000, NULL }, |
8f5ee77b DU |
569 | { 0x44, 0x0000, 0x572821, &vesa_modes[34] }, |
570 | { 0x45, 0xd100, 0x572828, &vesa_modes[35] }, | |
571 | { 0x46, 0xd10f, 0x572844, &vesa_modes[36] }, | |
572 | { 0x47, 0xd119, 0x572862, &vesa_modes[37] }, | |
ba59bab7 | 573 | { 0x48, 0x0000, 0x000000, NULL }, |
8f5ee77b DU |
574 | { 0x49, 0xd140, 0x000000, &vesa_modes[32] }, |
575 | { 0x4a, 0xd14f, 0x000000, &vesa_modes[33] }, | |
ba59bab7 | 576 | { 0x4b, 0x0000, 0x000000, NULL }, |
8f5ee77b DU |
577 | { 0x4c, 0x0000, 0x1f3821, &vesa_modes[38] }, |
578 | { 0x4d, 0x0000, 0x1f3828, &vesa_modes[39] }, | |
579 | { 0x4e, 0x0000, 0x1f3844, &vesa_modes[40] }, | |
580 | { 0x4f, 0x0000, 0x1f3862, &vesa_modes[41] }, | |
581 | { 0x50, 0x0000, 0x000000, &vesa_modes[42] }, | |
582 | }; | |
583 | EXPORT_SYMBOL(dmt_modes); | |
1da177e4 LT |
584 | #endif /* CONFIG_FB_MODE_HELPERS */ |
585 | ||
1da177e4 LT |
586 | /** |
587 | * fb_try_mode - test a video mode | |
588 | * @var: frame buffer user defined part of display | |
589 | * @info: frame buffer info structure | |
590 | * @mode: frame buffer video mode structure | |
591 | * @bpp: color depth in bits per pixel | |
592 | * | |
593 | * Tries a video mode to test it's validity for device @info. | |
594 | * | |
595 | * Returns 1 on success. | |
596 | * | |
597 | */ | |
598 | ||
599 | static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info, | |
600 | const struct fb_videomode *mode, unsigned int bpp) | |
601 | { | |
f92d39e9 TT |
602 | int err = 0; |
603 | ||
604 | DPRINTK("Trying mode %s %dx%d-%d@%d\n", | |
605 | mode->name ? mode->name : "noname", | |
606 | mode->xres, mode->yres, bpp, mode->refresh); | |
607 | var->xres = mode->xres; | |
608 | var->yres = mode->yres; | |
609 | var->xres_virtual = mode->xres; | |
610 | var->yres_virtual = mode->yres; | |
611 | var->xoffset = 0; | |
612 | var->yoffset = 0; | |
613 | var->bits_per_pixel = bpp; | |
614 | var->activate |= FB_ACTIVATE_TEST; | |
615 | var->pixclock = mode->pixclock; | |
616 | var->left_margin = mode->left_margin; | |
617 | var->right_margin = mode->right_margin; | |
618 | var->upper_margin = mode->upper_margin; | |
619 | var->lower_margin = mode->lower_margin; | |
620 | var->hsync_len = mode->hsync_len; | |
621 | var->vsync_len = mode->vsync_len; | |
622 | var->sync = mode->sync; | |
623 | var->vmode = mode->vmode; | |
624 | if (info->fbops->fb_check_var) | |
625 | err = info->fbops->fb_check_var(var, info); | |
626 | var->activate &= ~FB_ACTIVATE_TEST; | |
627 | return err; | |
1da177e4 LT |
628 | } |
629 | ||
630 | /** | |
f92d39e9 TT |
631 | * fb_find_mode - finds a valid video mode |
632 | * @var: frame buffer user defined part of display | |
633 | * @info: frame buffer info structure | |
634 | * @mode_option: string video mode to find | |
635 | * @db: video mode database | |
636 | * @dbsize: size of @db | |
637 | * @default_mode: default video mode to fall back to | |
638 | * @default_bpp: default color depth in bits per pixel | |
1da177e4 | 639 | * |
f92d39e9 TT |
640 | * Finds a suitable video mode, starting with the specified mode |
641 | * in @mode_option with fallback to @default_mode. If | |
642 | * @default_mode fails, all modes in the video mode database will | |
643 | * be tried. | |
1da177e4 | 644 | * |
f92d39e9 | 645 | * Valid mode specifiers for @mode_option: |
1da177e4 | 646 | * |
f92d39e9 TT |
647 | * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] or |
648 | * <name>[-<bpp>][@<refresh>] | |
1da177e4 | 649 | * |
f92d39e9 TT |
650 | * with <xres>, <yres>, <bpp> and <refresh> decimal numbers and |
651 | * <name> a string. | |
1da177e4 | 652 | * |
96fe6a21 AD |
653 | * If 'M' is present after yres (and before refresh/bpp if present), |
654 | * the function will compute the timings using VESA(tm) Coordinated | |
655 | * Video Timings (CVT). If 'R' is present after 'M', will compute with | |
656 | * reduced blanking (for flatpanels). If 'i' is present, compute | |
657 | * interlaced mode. If 'm' is present, add margins equal to 1.8% | |
658 | * of xres rounded down to 8 pixels, and 1.8% of yres. The char | |
659 | * 'i' and 'm' must be after 'M' and 'R'. Example: | |
660 | * | |
661 | * 1024x768MR-8@60m - Reduced blank with margins at 60Hz. | |
662 | * | |
f92d39e9 TT |
663 | * NOTE: The passed struct @var is _not_ cleared! This allows you |
664 | * to supply values for e.g. the grayscale and accel_flags fields. | |
1da177e4 | 665 | * |
f92d39e9 TT |
666 | * Returns zero for failure, 1 if using specified @mode_option, |
667 | * 2 if using specified @mode_option with an ignored refresh rate, | |
668 | * 3 if default mode is used, 4 if fall back to any valid mode. | |
1da177e4 LT |
669 | * |
670 | */ | |
671 | ||
672 | int fb_find_mode(struct fb_var_screeninfo *var, | |
673 | struct fb_info *info, const char *mode_option, | |
674 | const struct fb_videomode *db, unsigned int dbsize, | |
675 | const struct fb_videomode *default_mode, | |
676 | unsigned int default_bpp) | |
677 | { | |
f92d39e9 | 678 | int i; |
96fe6a21 | 679 | |
f92d39e9 TT |
680 | /* Set up defaults */ |
681 | if (!db) { | |
682 | db = modedb; | |
683 | dbsize = ARRAY_SIZE(modedb); | |
684 | } | |
96fe6a21 | 685 | |
f92d39e9 TT |
686 | if (!default_mode) |
687 | default_mode = &db[0]; | |
688 | ||
689 | if (!default_bpp) | |
690 | default_bpp = 8; | |
691 | ||
692 | /* Did the user specify a video mode? */ | |
693 | if (!mode_option) | |
694 | mode_option = fb_mode_option; | |
695 | if (mode_option) { | |
696 | const char *name = mode_option; | |
697 | unsigned int namelen = strlen(name); | |
698 | int res_specified = 0, bpp_specified = 0, refresh_specified = 0; | |
699 | unsigned int xres = 0, yres = 0, bpp = default_bpp, refresh = 0; | |
700 | int yres_specified = 0, cvt = 0, rb = 0, interlace = 0; | |
701 | int margins = 0; | |
702 | u32 best, diff, tdiff; | |
703 | ||
704 | for (i = namelen-1; i >= 0; i--) { | |
705 | switch (name[i]) { | |
706 | case '@': | |
707 | namelen = i; | |
708 | if (!refresh_specified && !bpp_specified && | |
709 | !yres_specified) { | |
710 | refresh = simple_strtol(&name[i+1], NULL, | |
711 | 10); | |
712 | refresh_specified = 1; | |
713 | if (cvt || rb) | |
714 | cvt = 0; | |
715 | } else | |
716 | goto done; | |
717 | break; | |
718 | case '-': | |
719 | namelen = i; | |
720 | if (!bpp_specified && !yres_specified) { | |
721 | bpp = simple_strtol(&name[i+1], NULL, | |
722 | 10); | |
723 | bpp_specified = 1; | |
724 | if (cvt || rb) | |
725 | cvt = 0; | |
726 | } else | |
727 | goto done; | |
728 | break; | |
729 | case 'x': | |
730 | if (!yres_specified) { | |
731 | yres = simple_strtol(&name[i+1], NULL, | |
732 | 10); | |
733 | yres_specified = 1; | |
734 | } else | |
735 | goto done; | |
736 | break; | |
737 | case '0' ... '9': | |
738 | break; | |
739 | case 'M': | |
740 | if (!yres_specified) | |
741 | cvt = 1; | |
742 | break; | |
743 | case 'R': | |
744 | if (!cvt) | |
745 | rb = 1; | |
746 | break; | |
747 | case 'm': | |
748 | if (!cvt) | |
749 | margins = 1; | |
750 | break; | |
751 | case 'i': | |
752 | if (!cvt) | |
753 | interlace = 1; | |
754 | break; | |
755 | default: | |
756 | goto done; | |
757 | } | |
758 | } | |
759 | if (i < 0 && yres_specified) { | |
760 | xres = simple_strtol(name, NULL, 10); | |
761 | res_specified = 1; | |
762 | } | |
763 | done: | |
764 | if (cvt) { | |
765 | struct fb_videomode cvt_mode; | |
766 | int ret; | |
767 | ||
768 | DPRINTK("CVT mode %dx%d@%dHz%s%s%s\n", xres, yres, | |
769 | (refresh) ? refresh : 60, | |
770 | (rb) ? " reduced blanking" : "", | |
771 | (margins) ? " with margins" : "", | |
772 | (interlace) ? " interlaced" : ""); | |
773 | ||
774 | memset(&cvt_mode, 0, sizeof(cvt_mode)); | |
775 | cvt_mode.xres = xres; | |
776 | cvt_mode.yres = yres; | |
777 | cvt_mode.refresh = (refresh) ? refresh : 60; | |
778 | ||
779 | if (interlace) | |
780 | cvt_mode.vmode |= FB_VMODE_INTERLACED; | |
781 | else | |
782 | cvt_mode.vmode &= ~FB_VMODE_INTERLACED; | |
783 | ||
784 | ret = fb_find_mode_cvt(&cvt_mode, margins, rb); | |
785 | ||
786 | if (!ret && !fb_try_mode(var, info, &cvt_mode, bpp)) { | |
787 | DPRINTK("modedb CVT: CVT mode ok\n"); | |
788 | return 1; | |
789 | } | |
96fe6a21 | 790 | |
f92d39e9 TT |
791 | DPRINTK("CVT mode invalid, getting mode from database\n"); |
792 | } | |
96fe6a21 | 793 | |
f92d39e9 TT |
794 | DPRINTK("Trying specified video mode%s %ix%i\n", |
795 | refresh_specified ? "" : " (ignoring refresh rate)", | |
796 | xres, yres); | |
96fe6a21 | 797 | |
f92d39e9 TT |
798 | if (!refresh_specified) { |
799 | /* | |
800 | * If the caller has provided a custom mode database and | |
801 | * a valid monspecs structure, we look for the mode with | |
802 | * the highest refresh rate. Otherwise we play it safe | |
803 | * it and try to find a mode with a refresh rate closest | |
804 | * to the standard 60 Hz. | |
805 | */ | |
806 | if (db != modedb && | |
807 | info->monspecs.vfmin && info->monspecs.vfmax && | |
808 | info->monspecs.hfmin && info->monspecs.hfmax && | |
809 | info->monspecs.dclkmax) { | |
810 | refresh = 1000; | |
811 | } else { | |
812 | refresh = 60; | |
813 | } | |
1c5dd170 | 814 | } |
1c5dd170 | 815 | |
f92d39e9 TT |
816 | diff = -1; |
817 | best = -1; | |
818 | for (i = 0; i < dbsize; i++) { | |
819 | if ((name_matches(db[i], name, namelen) || | |
820 | (res_specified && res_matches(db[i], xres, yres))) && | |
821 | !fb_try_mode(var, info, &db[i], bpp)) { | |
822 | if (refresh_specified && db[i].refresh == refresh) | |
823 | return 1; | |
824 | ||
1c5dd170 MJ |
825 | if (abs(db[i].refresh - refresh) < diff) { |
826 | diff = abs(db[i].refresh - refresh); | |
827 | best = i; | |
1da177e4 LT |
828 | } |
829 | } | |
830 | } | |
f92d39e9 TT |
831 | if (best != -1) { |
832 | fb_try_mode(var, info, &db[best], bpp); | |
833 | return (refresh_specified) ? 2 : 1; | |
834 | } | |
6b745b6f | 835 | |
f92d39e9 TT |
836 | diff = 2 * (xres + yres); |
837 | best = -1; | |
838 | DPRINTK("Trying best-fit modes\n"); | |
839 | for (i = 0; i < dbsize; i++) { | |
840 | DPRINTK("Trying %ix%i\n", db[i].xres, db[i].yres); | |
841 | if (!fb_try_mode(var, info, &db[i], bpp)) { | |
842 | tdiff = abs(db[i].xres - xres) + | |
843 | abs(db[i].yres - yres); | |
844 | ||
845 | /* | |
846 | * Penalize modes with resolutions smaller | |
847 | * than requested. | |
848 | */ | |
849 | if (xres > db[i].xres || yres > db[i].yres) | |
850 | tdiff += xres + yres; | |
851 | ||
852 | if (diff > tdiff) { | |
853 | diff = tdiff; | |
854 | best = i; | |
855 | } | |
6b745b6f | 856 | } |
1da177e4 | 857 | } |
f92d39e9 TT |
858 | if (best != -1) { |
859 | fb_try_mode(var, info, &db[best], bpp); | |
860 | return 5; | |
861 | } | |
1da177e4 | 862 | } |
1da177e4 | 863 | |
f92d39e9 TT |
864 | DPRINTK("Trying default video mode\n"); |
865 | if (!fb_try_mode(var, info, default_mode, default_bpp)) | |
866 | return 3; | |
1da177e4 | 867 | |
f92d39e9 TT |
868 | DPRINTK("Trying all modes\n"); |
869 | for (i = 0; i < dbsize; i++) | |
870 | if (!fb_try_mode(var, info, &db[i], default_bpp)) | |
871 | return 4; | |
1da177e4 | 872 | |
f92d39e9 TT |
873 | DPRINTK("No valid mode found\n"); |
874 | return 0; | |
1da177e4 LT |
875 | } |
876 | ||
877 | /** | |
878 | * fb_var_to_videomode - convert fb_var_screeninfo to fb_videomode | |
879 | * @mode: pointer to struct fb_videomode | |
880 | * @var: pointer to struct fb_var_screeninfo | |
881 | */ | |
882 | void fb_var_to_videomode(struct fb_videomode *mode, | |
9791d763 | 883 | const struct fb_var_screeninfo *var) |
1da177e4 LT |
884 | { |
885 | u32 pixclock, hfreq, htotal, vtotal; | |
886 | ||
887 | mode->name = NULL; | |
888 | mode->xres = var->xres; | |
889 | mode->yres = var->yres; | |
890 | mode->pixclock = var->pixclock; | |
891 | mode->hsync_len = var->hsync_len; | |
892 | mode->vsync_len = var->vsync_len; | |
893 | mode->left_margin = var->left_margin; | |
894 | mode->right_margin = var->right_margin; | |
895 | mode->upper_margin = var->upper_margin; | |
896 | mode->lower_margin = var->lower_margin; | |
897 | mode->sync = var->sync; | |
898 | mode->vmode = var->vmode & FB_VMODE_MASK; | |
899 | mode->flag = FB_MODE_IS_FROM_VAR; | |
8fb6567e MJ |
900 | mode->refresh = 0; |
901 | ||
1da177e4 LT |
902 | if (!var->pixclock) |
903 | return; | |
904 | ||
905 | pixclock = PICOS2KHZ(var->pixclock) * 1000; | |
906 | ||
907 | htotal = var->xres + var->right_margin + var->hsync_len + | |
908 | var->left_margin; | |
909 | vtotal = var->yres + var->lower_margin + var->vsync_len + | |
910 | var->upper_margin; | |
911 | ||
912 | if (var->vmode & FB_VMODE_INTERLACED) | |
913 | vtotal /= 2; | |
914 | if (var->vmode & FB_VMODE_DOUBLE) | |
915 | vtotal *= 2; | |
916 | ||
917 | hfreq = pixclock/htotal; | |
918 | mode->refresh = hfreq/vtotal; | |
919 | } | |
920 | ||
921 | /** | |
922 | * fb_videomode_to_var - convert fb_videomode to fb_var_screeninfo | |
923 | * @var: pointer to struct fb_var_screeninfo | |
924 | * @mode: pointer to struct fb_videomode | |
925 | */ | |
926 | void fb_videomode_to_var(struct fb_var_screeninfo *var, | |
9791d763 | 927 | const struct fb_videomode *mode) |
1da177e4 LT |
928 | { |
929 | var->xres = mode->xres; | |
930 | var->yres = mode->yres; | |
dcfe2666 GU |
931 | var->xres_virtual = mode->xres; |
932 | var->yres_virtual = mode->yres; | |
933 | var->xoffset = 0; | |
934 | var->yoffset = 0; | |
1da177e4 LT |
935 | var->pixclock = mode->pixclock; |
936 | var->left_margin = mode->left_margin; | |
1da177e4 LT |
937 | var->right_margin = mode->right_margin; |
938 | var->upper_margin = mode->upper_margin; | |
939 | var->lower_margin = mode->lower_margin; | |
dcfe2666 GU |
940 | var->hsync_len = mode->hsync_len; |
941 | var->vsync_len = mode->vsync_len; | |
1da177e4 LT |
942 | var->sync = mode->sync; |
943 | var->vmode = mode->vmode & FB_VMODE_MASK; | |
944 | } | |
945 | ||
946 | /** | |
947 | * fb_mode_is_equal - compare 2 videomodes | |
948 | * @mode1: first videomode | |
949 | * @mode2: second videomode | |
950 | * | |
951 | * RETURNS: | |
952 | * 1 if equal, 0 if not | |
953 | */ | |
9791d763 GU |
954 | int fb_mode_is_equal(const struct fb_videomode *mode1, |
955 | const struct fb_videomode *mode2) | |
1da177e4 LT |
956 | { |
957 | return (mode1->xres == mode2->xres && | |
958 | mode1->yres == mode2->yres && | |
959 | mode1->pixclock == mode2->pixclock && | |
960 | mode1->hsync_len == mode2->hsync_len && | |
961 | mode1->vsync_len == mode2->vsync_len && | |
962 | mode1->left_margin == mode2->left_margin && | |
963 | mode1->right_margin == mode2->right_margin && | |
964 | mode1->upper_margin == mode2->upper_margin && | |
965 | mode1->lower_margin == mode2->lower_margin && | |
966 | mode1->sync == mode2->sync && | |
967 | mode1->vmode == mode2->vmode); | |
968 | } | |
969 | ||
970 | /** | |
971 | * fb_find_best_mode - find best matching videomode | |
972 | * @var: pointer to struct fb_var_screeninfo | |
973 | * @head: pointer to struct list_head of modelist | |
974 | * | |
975 | * RETURNS: | |
976 | * struct fb_videomode, NULL if none found | |
977 | * | |
978 | * IMPORTANT: | |
979 | * This function assumes that all modelist entries in | |
980 | * info->modelist are valid. | |
981 | * | |
982 | * NOTES: | |
983 | * Finds best matching videomode which has an equal or greater dimension than | |
984 | * var->xres and var->yres. If more than 1 videomode is found, will return | |
985 | * the videomode with the highest refresh rate | |
986 | */ | |
9791d763 GU |
987 | const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, |
988 | struct list_head *head) | |
1da177e4 LT |
989 | { |
990 | struct list_head *pos; | |
991 | struct fb_modelist *modelist; | |
992 | struct fb_videomode *mode, *best = NULL; | |
993 | u32 diff = -1; | |
994 | ||
995 | list_for_each(pos, head) { | |
996 | u32 d; | |
997 | ||
998 | modelist = list_entry(pos, struct fb_modelist, list); | |
999 | mode = &modelist->mode; | |
1000 | ||
1001 | if (mode->xres >= var->xres && mode->yres >= var->yres) { | |
1002 | d = (mode->xres - var->xres) + | |
1003 | (mode->yres - var->yres); | |
1004 | if (diff > d) { | |
1005 | diff = d; | |
1006 | best = mode; | |
17cc6281 AD |
1007 | } else if (diff == d && best && |
1008 | mode->refresh > best->refresh) | |
1009 | best = mode; | |
1da177e4 LT |
1010 | } |
1011 | } | |
1012 | return best; | |
1013 | } | |
1014 | ||
1015 | /** | |
8fb6567e | 1016 | * fb_find_nearest_mode - find closest videomode |
1da177e4 | 1017 | * |
8fb6567e | 1018 | * @mode: pointer to struct fb_videomode |
1da177e4 LT |
1019 | * @head: pointer to modelist |
1020 | * | |
1021 | * Finds best matching videomode, smaller or greater in dimension. | |
1022 | * If more than 1 videomode is found, will return the videomode with | |
8fb6567e | 1023 | * the closest refresh rate. |
1da177e4 | 1024 | */ |
9791d763 GU |
1025 | const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, |
1026 | struct list_head *head) | |
1da177e4 LT |
1027 | { |
1028 | struct list_head *pos; | |
1029 | struct fb_modelist *modelist; | |
8fb6567e | 1030 | struct fb_videomode *cmode, *best = NULL; |
1da177e4 LT |
1031 | u32 diff = -1, diff_refresh = -1; |
1032 | ||
1033 | list_for_each(pos, head) { | |
1034 | u32 d; | |
1035 | ||
1036 | modelist = list_entry(pos, struct fb_modelist, list); | |
8fb6567e | 1037 | cmode = &modelist->mode; |
1da177e4 | 1038 | |
8fb6567e MJ |
1039 | d = abs(cmode->xres - mode->xres) + |
1040 | abs(cmode->yres - mode->yres); | |
1da177e4 LT |
1041 | if (diff > d) { |
1042 | diff = d; | |
e504b848 | 1043 | diff_refresh = abs(cmode->refresh - mode->refresh); |
8fb6567e | 1044 | best = cmode; |
1da177e4 | 1045 | } else if (diff == d) { |
8fb6567e | 1046 | d = abs(cmode->refresh - mode->refresh); |
1da177e4 LT |
1047 | if (diff_refresh > d) { |
1048 | diff_refresh = d; | |
8fb6567e | 1049 | best = cmode; |
1da177e4 LT |
1050 | } |
1051 | } | |
1052 | } | |
1053 | ||
1054 | return best; | |
1055 | } | |
1056 | ||
1057 | /** | |
1058 | * fb_match_mode - find a videomode which exactly matches the timings in var | |
1059 | * @var: pointer to struct fb_var_screeninfo | |
1060 | * @head: pointer to struct list_head of modelist | |
1061 | * | |
1062 | * RETURNS: | |
1063 | * struct fb_videomode, NULL if none found | |
1064 | */ | |
9791d763 GU |
1065 | const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, |
1066 | struct list_head *head) | |
1da177e4 LT |
1067 | { |
1068 | struct list_head *pos; | |
1069 | struct fb_modelist *modelist; | |
1070 | struct fb_videomode *m, mode; | |
1071 | ||
1072 | fb_var_to_videomode(&mode, var); | |
1073 | list_for_each(pos, head) { | |
1074 | modelist = list_entry(pos, struct fb_modelist, list); | |
1075 | m = &modelist->mode; | |
1076 | if (fb_mode_is_equal(m, &mode)) | |
1077 | return m; | |
1078 | } | |
1079 | return NULL; | |
1080 | } | |
1081 | ||
1082 | /** | |
a8b19254 | 1083 | * fb_add_videomode - adds videomode entry to modelist |
1da177e4 LT |
1084 | * @mode: videomode to add |
1085 | * @head: struct list_head of modelist | |
1086 | * | |
1087 | * NOTES: | |
1088 | * Will only add unmatched mode entries | |
1089 | */ | |
9791d763 | 1090 | int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head) |
1da177e4 LT |
1091 | { |
1092 | struct list_head *pos; | |
1093 | struct fb_modelist *modelist; | |
1094 | struct fb_videomode *m; | |
1095 | int found = 0; | |
1096 | ||
1097 | list_for_each(pos, head) { | |
1098 | modelist = list_entry(pos, struct fb_modelist, list); | |
1099 | m = &modelist->mode; | |
1100 | if (fb_mode_is_equal(m, mode)) { | |
1101 | found = 1; | |
1102 | break; | |
1103 | } | |
1104 | } | |
1105 | if (!found) { | |
1106 | modelist = kmalloc(sizeof(struct fb_modelist), | |
1107 | GFP_KERNEL); | |
1108 | ||
1109 | if (!modelist) | |
1110 | return -ENOMEM; | |
1111 | modelist->mode = *mode; | |
1112 | list_add(&modelist->list, head); | |
1113 | } | |
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | /** | |
a8b19254 | 1118 | * fb_delete_videomode - removed videomode entry from modelist |
1da177e4 LT |
1119 | * @mode: videomode to remove |
1120 | * @head: struct list_head of modelist | |
1121 | * | |
1122 | * NOTES: | |
1123 | * Will remove all matching mode entries | |
1124 | */ | |
9791d763 GU |
1125 | void fb_delete_videomode(const struct fb_videomode *mode, |
1126 | struct list_head *head) | |
1da177e4 LT |
1127 | { |
1128 | struct list_head *pos, *n; | |
1129 | struct fb_modelist *modelist; | |
1130 | struct fb_videomode *m; | |
1131 | ||
1132 | list_for_each_safe(pos, n, head) { | |
1133 | modelist = list_entry(pos, struct fb_modelist, list); | |
1134 | m = &modelist->mode; | |
1135 | if (fb_mode_is_equal(m, mode)) { | |
1136 | list_del(pos); | |
1137 | kfree(pos); | |
1138 | } | |
1139 | } | |
1140 | } | |
1141 | ||
1142 | /** | |
a8b19254 | 1143 | * fb_destroy_modelist - destroy modelist |
1da177e4 LT |
1144 | * @head: struct list_head of modelist |
1145 | */ | |
1146 | void fb_destroy_modelist(struct list_head *head) | |
1147 | { | |
1148 | struct list_head *pos, *n; | |
1149 | ||
1150 | list_for_each_safe(pos, n, head) { | |
1151 | list_del(pos); | |
1152 | kfree(pos); | |
1153 | } | |
1154 | } | |
9953d236 | 1155 | EXPORT_SYMBOL_GPL(fb_destroy_modelist); |
1da177e4 LT |
1156 | |
1157 | /** | |
a8b19254 | 1158 | * fb_videomode_to_modelist - convert mode array to mode list |
1da177e4 LT |
1159 | * @modedb: array of struct fb_videomode |
1160 | * @num: number of entries in array | |
1161 | * @head: struct list_head of modelist | |
1162 | */ | |
9791d763 | 1163 | void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, |
1da177e4 LT |
1164 | struct list_head *head) |
1165 | { | |
1166 | int i; | |
1167 | ||
1168 | INIT_LIST_HEAD(head); | |
1169 | ||
1170 | for (i = 0; i < num; i++) { | |
1171 | if (fb_add_videomode(&modedb[i], head)) | |
1172 | return; | |
1173 | } | |
1174 | } | |
1175 | ||
9791d763 GU |
1176 | const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, |
1177 | struct list_head *head) | |
003cfc0c AD |
1178 | { |
1179 | struct list_head *pos; | |
1180 | struct fb_modelist *modelist; | |
9791d763 | 1181 | const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL; |
003cfc0c AD |
1182 | int first = 0; |
1183 | ||
1184 | if (!head->prev || !head->next || list_empty(head)) | |
1185 | goto finished; | |
1186 | ||
1187 | /* get the first detailed mode and the very first mode */ | |
1188 | list_for_each(pos, head) { | |
1189 | modelist = list_entry(pos, struct fb_modelist, list); | |
1190 | m = &modelist->mode; | |
1191 | ||
1192 | if (!first) { | |
1193 | m1 = m; | |
1194 | first = 1; | |
1195 | } | |
1196 | ||
1197 | if (m->flag & FB_MODE_IS_FIRST) { | |
1198 | md = m; | |
1199 | break; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | /* first detailed timing is preferred */ | |
1204 | if (specs->misc & FB_MISC_1ST_DETAIL) { | |
1205 | best = md; | |
1206 | goto finished; | |
1207 | } | |
1208 | ||
1209 | /* find best mode based on display width and height */ | |
1210 | if (specs->max_x && specs->max_y) { | |
1211 | struct fb_var_screeninfo var; | |
1212 | ||
1213 | memset(&var, 0, sizeof(struct fb_var_screeninfo)); | |
1214 | var.xres = (specs->max_x * 7200)/254; | |
1215 | var.yres = (specs->max_y * 7200)/254; | |
1216 | m = fb_find_best_mode(&var, head); | |
1217 | if (m) { | |
1218 | best = m; | |
1219 | goto finished; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | /* use first detailed mode */ | |
1224 | if (md) { | |
1225 | best = md; | |
1226 | goto finished; | |
1227 | } | |
1228 | ||
1229 | /* last resort, use the very first mode */ | |
1230 | best = m1; | |
1231 | finished: | |
1232 | return best; | |
1233 | } | |
1234 | EXPORT_SYMBOL(fb_find_best_display); | |
1235 | ||
1da177e4 LT |
1236 | EXPORT_SYMBOL(fb_videomode_to_var); |
1237 | EXPORT_SYMBOL(fb_var_to_videomode); | |
1238 | EXPORT_SYMBOL(fb_mode_is_equal); | |
1239 | EXPORT_SYMBOL(fb_add_videomode); | |
1da177e4 LT |
1240 | EXPORT_SYMBOL(fb_match_mode); |
1241 | EXPORT_SYMBOL(fb_find_best_mode); | |
1242 | EXPORT_SYMBOL(fb_find_nearest_mode); | |
1243 | EXPORT_SYMBOL(fb_videomode_to_modelist); | |
1244 | EXPORT_SYMBOL(fb_find_mode); | |
1bae852f | 1245 | EXPORT_SYMBOL(fb_find_mode_cvt); |