diff options
Diffstat (limited to 'drivers/video/fbdev/core/modedb.c')
| -rw-r--r-- | drivers/video/fbdev/core/modedb.c | 1137 |
1 files changed, 1137 insertions, 0 deletions
diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c new file mode 100644 index 000000000000..a9a907c440d7 --- /dev/null +++ b/drivers/video/fbdev/core/modedb.c @@ -0,0 +1,1137 @@ +/* + * linux/drivers/video/modedb.c -- Standard video mode database management + * + * Copyright (C) 1999 Geert Uytterhoeven + * + * 2001 - Documented with DocBook + * - Brad Douglas <brad@neruo.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/fb.h> +#include <linux/kernel.h> + +#undef DEBUG + +#define name_matches(v, s, l) \ + ((v).name && !strncmp((s), (v).name, (l)) && strlen((v).name) == (l)) +#define res_matches(v, x, y) \ + ((v).xres == (x) && (v).yres == (y)) + +#ifdef DEBUG +#define DPRINTK(fmt, args...) printk("modedb %s: " fmt, __func__ , ## args) +#else +#define DPRINTK(fmt, args...) +#endif + +const char *fb_mode_option; +EXPORT_SYMBOL_GPL(fb_mode_option); + +/* + * Standard video mode definitions (taken from XFree86) + */ + +static const struct fb_videomode modedb[] = { + + /* 640x400 @ 70 Hz, 31.5 kHz hsync */ + { NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2, 0, + FB_VMODE_NONINTERLACED }, + + /* 640x480 @ 60 Hz, 31.5 kHz hsync */ + { NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, 0, + FB_VMODE_NONINTERLACED }, + + /* 800x600 @ 56 Hz, 35.15 kHz hsync */ + { NULL, 56, 800, 600, 27777, 128, 24, 22, 1, 72, 2, 0, + FB_VMODE_NONINTERLACED }, + + /* 1024x768 @ 87 Hz interlaced, 35.5 kHz hsync */ + { NULL, 87, 1024, 768, 22271, 56, 24, 33, 8, 160, 8, 0, + FB_VMODE_INTERLACED }, + + /* 640x400 @ 85 Hz, 37.86 kHz hsync */ + { NULL, 85, 640, 400, 31746, 96, 32, 41, 1, 64, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED }, + + /* 640x480 @ 72 Hz, 36.5 kHz hsync */ + { NULL, 72, 640, 480, 31746, 144, 40, 30, 8, 40, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 640x480 @ 75 Hz, 37.50 kHz hsync */ + { NULL, 75, 640, 480, 31746, 120, 16, 16, 1, 64, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 800x600 @ 60 Hz, 37.8 kHz hsync */ + { NULL, 60, 800, 600, 25000, 88, 40, 23, 1, 128, 4, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 640x480 @ 85 Hz, 43.27 kHz hsync */ + { NULL, 85, 640, 480, 27777, 80, 56, 25, 1, 56, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1152x864 @ 89 Hz interlaced, 44 kHz hsync */ + { NULL, 89, 1152, 864, 15384, 96, 16, 110, 1, 216, 10, 0, + FB_VMODE_INTERLACED }, + /* 800x600 @ 72 Hz, 48.0 kHz hsync */ + { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1024x768 @ 60 Hz, 48.4 kHz hsync */ + { NULL, 60, 1024, 768, 15384, 168, 8, 29, 3, 144, 6, 0, + FB_VMODE_NONINTERLACED }, + + /* 640x480 @ 100 Hz, 53.01 kHz hsync */ + { NULL, 100, 640, 480, 21834, 96, 32, 36, 8, 96, 6, 0, + FB_VMODE_NONINTERLACED }, + + /* 1152x864 @ 60 Hz, 53.5 kHz hsync */ + { NULL, 60, 1152, 864, 11123, 208, 64, 16, 4, 256, 8, 0, + FB_VMODE_NONINTERLACED }, + + /* 800x600 @ 85 Hz, 55.84 kHz hsync */ + { NULL, 85, 800, 600, 16460, 160, 64, 36, 16, 64, 5, 0, + FB_VMODE_NONINTERLACED }, + + /* 1024x768 @ 70 Hz, 56.5 kHz hsync */ + { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 87 Hz interlaced, 51 kHz hsync */ + { NULL, 87, 1280, 1024, 12500, 56, 16, 128, 1, 216, 12, 0, + FB_VMODE_INTERLACED }, + + /* 800x600 @ 100 Hz, 64.02 kHz hsync */ + { NULL, 100, 800, 600, 14357, 160, 64, 30, 4, 64, 6, 0, + FB_VMODE_NONINTERLACED }, + + /* 1024x768 @ 76 Hz, 62.5 kHz hsync */ + { NULL, 76, 1024, 768, 11764, 208, 8, 36, 16, 120, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1152x864 @ 70 Hz, 62.4 kHz hsync */ + { NULL, 70, 1152, 864, 10869, 106, 56, 20, 1, 160, 10, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 61 Hz, 64.2 kHz hsync */ + { NULL, 61, 1280, 1024, 9090, 200, 48, 26, 1, 184, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1400x1050 @ 60Hz, 63.9 kHz hsync */ + { NULL, 60, 1400, 1050, 9259, 136, 40, 13, 1, 112, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1400x1050 @ 75,107 Hz, 82,392 kHz +hsync +vsync*/ + { NULL, 75, 1400, 1050, 7190, 120, 56, 23, 10, 112, 13, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1400x1050 @ 60 Hz, ? kHz +hsync +vsync*/ + { NULL, 60, 1400, 1050, 9259, 128, 40, 12, 0, 112, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1024x768 @ 85 Hz, 70.24 kHz hsync */ + { NULL, 85, 1024, 768, 10111, 192, 32, 34, 14, 160, 6, 0, + FB_VMODE_NONINTERLACED }, + + /* 1152x864 @ 78 Hz, 70.8 kHz hsync */ + { NULL, 78, 1152, 864, 9090, 228, 88, 32, 0, 84, 12, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 70 Hz, 74.59 kHz hsync */ + { NULL, 70, 1280, 1024, 7905, 224, 32, 28, 8, 160, 8, 0, + FB_VMODE_NONINTERLACED }, + + /* 1600x1200 @ 60Hz, 75.00 kHz hsync */ + { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1152x864 @ 84 Hz, 76.0 kHz hsync */ + { NULL, 84, 1152, 864, 7407, 184, 312, 32, 0, 128, 12, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 74 Hz, 78.85 kHz hsync */ + { NULL, 74, 1280, 1024, 7407, 256, 32, 34, 3, 144, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1024x768 @ 100Hz, 80.21 kHz hsync */ + { NULL, 100, 1024, 768, 8658, 192, 32, 21, 3, 192, 10, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 76 Hz, 81.13 kHz hsync */ + { NULL, 76, 1280, 1024, 7407, 248, 32, 34, 3, 104, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1600x1200 @ 70 Hz, 87.50 kHz hsync */ + { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 1152x864 @ 100 Hz, 89.62 kHz hsync */ + { NULL, 100, 1152, 864, 7264, 224, 32, 17, 2, 128, 19, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 85 Hz, 91.15 kHz hsync */ + { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1600x1200 @ 75 Hz, 93.75 kHz hsync */ + { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1680x1050 @ 60 Hz, 65.191 kHz hsync */ + { NULL, 60, 1680, 1050, 6848, 280, 104, 30, 3, 176, 6, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1600x1200 @ 85 Hz, 105.77 kHz hsync */ + { NULL, 85, 1600, 1200, 4545, 272, 16, 37, 4, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1280x1024 @ 100 Hz, 107.16 kHz hsync */ + { NULL, 100, 1280, 1024, 5502, 256, 32, 26, 7, 128, 15, 0, + FB_VMODE_NONINTERLACED }, + + /* 1800x1440 @ 64Hz, 96.15 kHz hsync */ + { NULL, 64, 1800, 1440, 4347, 304, 96, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1800x1440 @ 70Hz, 104.52 kHz hsync */ + { NULL, 70, 1800, 1440, 4000, 304, 96, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 512x384 @ 78 Hz, 31.50 kHz hsync */ + { NULL, 78, 512, 384, 49603, 48, 16, 16, 1, 64, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 512x384 @ 85 Hz, 34.38 kHz hsync */ + { NULL, 85, 512, 384, 45454, 48, 16, 16, 1, 64, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 320x200 @ 70 Hz, 31.5 kHz hsync, 8:5 aspect ratio */ + { NULL, 70, 320, 200, 79440, 16, 16, 20, 4, 48, 1, 0, + FB_VMODE_DOUBLE }, + + /* 320x240 @ 60 Hz, 31.5 kHz hsync, 4:3 aspect ratio */ + { NULL, 60, 320, 240, 79440, 16, 16, 16, 5, 48, 1, 0, + FB_VMODE_DOUBLE }, + + /* 320x240 @ 72 Hz, 36.5 kHz hsync */ + { NULL, 72, 320, 240, 63492, 16, 16, 16, 4, 48, 2, 0, + FB_VMODE_DOUBLE }, + + /* 400x300 @ 56 Hz, 35.2 kHz hsync, 4:3 aspect ratio */ + { NULL, 56, 400, 300, 55555, 64, 16, 10, 1, 32, 1, 0, + FB_VMODE_DOUBLE }, + + /* 400x300 @ 60 Hz, 37.8 kHz hsync */ + { NULL, 60, 400, 300, 50000, 48, 16, 11, 1, 64, 2, 0, + FB_VMODE_DOUBLE }, + + /* 400x300 @ 72 Hz, 48.0 kHz hsync */ + { NULL, 72, 400, 300, 40000, 32, 24, 11, 19, 64, 3, 0, + FB_VMODE_DOUBLE }, + + /* 480x300 @ 56 Hz, 35.2 kHz hsync, 8:5 aspect ratio */ + { NULL, 56, 480, 300, 46176, 80, 16, 10, 1, 40, 1, 0, + FB_VMODE_DOUBLE }, + + /* 480x300 @ 60 Hz, 37.8 kHz hsync */ + { NULL, 60, 480, 300, 41858, 56, 16, 11, 1, 80, 2, 0, + FB_VMODE_DOUBLE }, + + /* 480x300 @ 63 Hz, 39.6 kHz hsync */ + { NULL, 63, 480, 300, 40000, 56, 16, 11, 1, 80, 2, 0, + FB_VMODE_DOUBLE }, + + /* 480x300 @ 72 Hz, 48.0 kHz hsync */ + { NULL, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3, 0, + FB_VMODE_DOUBLE }, + + /* 1920x1200 @ 60 Hz, 74.5 Khz hsync */ + { NULL, 60, 1920, 1200, 5177, 128, 336, 1, 38, 208, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1152x768, 60 Hz, PowerBook G4 Titanium I and II */ + { NULL, 60, 1152, 768, 14047, 158, 26, 29, 3, 136, 6, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED }, + + /* 1366x768, 60 Hz, 47.403 kHz hsync, WXGA 16:9 aspect ratio */ + { NULL, 60, 1366, 768, 13806, 120, 10, 14, 3, 32, 5, 0, + FB_VMODE_NONINTERLACED }, + + /* 1280x800, 60 Hz, 47.403 kHz hsync, WXGA 16:10 aspect ratio */ + { NULL, 60, 1280, 800, 12048, 200, 64, 24, 1, 136, 3, 0, + FB_VMODE_NONINTERLACED }, + + /* 720x576i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */ + { NULL, 50, 720, 576, 74074, 64, 16, 39, 5, 64, 5, 0, + FB_VMODE_INTERLACED }, + + /* 800x520i @ 50 Hz, 15.625 kHz hsync (PAL RGB) */ + { NULL, 50, 800, 520, 58823, 144, 64, 72, 28, 80, 5, 0, + FB_VMODE_INTERLACED }, + + /* 864x480 @ 60 Hz, 35.15 kHz hsync */ + { NULL, 60, 864, 480, 27777, 1, 1, 1, 1, 0, 0, + 0, FB_VMODE_NONINTERLACED }, +}; + +#ifdef CONFIG_FB_MODE_HELPERS +const struct fb_videomode cea_modes[64] = { + /* #1: 640x480p@59.94/60Hz */ + [1] = { + NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0, + FB_VMODE_NONINTERLACED, 0, + }, + /* #3: 720x480p@59.94/60Hz */ + [3] = { + NULL, 60, 720, 480, 37037, 60, 16, 30, 9, 62, 6, 0, + FB_VMODE_NONINTERLACED, 0, + }, + /* #5: 1920x1080i@59.94/60Hz */ + [5] = { + NULL, 60, 1920, 1080, 13763, 148, 88, 15, 2, 44, 5, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_INTERLACED, 0, + }, + /* #7: 720(1440)x480iH@59.94/60Hz */ + [7] = { + NULL, 60, 1440, 480, 18554/*37108*/, 114, 38, 15, 4, 124, 3, 0, + FB_VMODE_INTERLACED, 0, + }, + /* #9: 720(1440)x240pH@59.94/60Hz */ + [9] = { + NULL, 60, 1440, 240, 18554, 114, 38, 16, 4, 124, 3, 0, + FB_VMODE_NONINTERLACED, 0, + }, + /* #18: 720x576pH@50Hz */ + [18] = { + NULL, 50, 720, 576, 37037, 68, 12, 39, 5, 64, 5, 0, + FB_VMODE_NONINTERLACED, 0, + }, + /* #19: 1280x720p@50Hz */ + [19] = { + NULL, 50, 1280, 720, 13468, 220, 440, 20, 5, 40, 5, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, 0, + }, + /* #20: 1920x1080i@50Hz */ + [20] = { + NULL, 50, 1920, 1080, 13480, 148, 528, 15, 5, 528, 5, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_INTERLACED, 0, + }, + /* #32: 1920x1080p@23.98/24Hz */ + [32] = { + NULL, 24, 1920, 1080, 13468, 148, 638, 36, 4, 44, 5, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, 0, + }, + /* #35: (2880)x480p4x@59.94/60Hz */ + [35] = { + NULL, 60, 2880, 480, 9250, 240, 64, 30, 9, 248, 6, 0, + FB_VMODE_NONINTERLACED, 0, + }, +}; + +const struct fb_videomode vesa_modes[] = { + /* 0 640x350-85 VESA */ + { NULL, 85, 640, 350, 31746, 96, 32, 60, 32, 64, 3, + FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA}, + /* 1 640x400-85 VESA */ + { NULL, 85, 640, 400, 31746, 96, 32, 41, 01, 64, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 2 720x400-85 VESA */ + { NULL, 85, 721, 400, 28169, 108, 36, 42, 01, 72, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 3 640x480-60 VESA */ + { NULL, 60, 640, 480, 39682, 48, 16, 33, 10, 96, 2, + 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 4 640x480-72 VESA */ + { NULL, 72, 640, 480, 31746, 128, 24, 29, 9, 40, 2, + 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 5 640x480-75 VESA */ + { NULL, 75, 640, 480, 31746, 120, 16, 16, 01, 64, 3, + 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 6 640x480-85 VESA */ + { NULL, 85, 640, 480, 27777, 80, 56, 25, 01, 56, 3, + 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 7 800x600-56 VESA */ + { NULL, 56, 800, 600, 27777, 128, 24, 22, 01, 72, 2, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 8 800x600-60 VESA */ + { NULL, 60, 800, 600, 25000, 88, 40, 23, 01, 128, 4, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 9 800x600-72 VESA */ + { NULL, 72, 800, 600, 20000, 64, 56, 23, 37, 120, 6, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 10 800x600-75 VESA */ + { NULL, 75, 800, 600, 20202, 160, 16, 21, 01, 80, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 11 800x600-85 VESA */ + { NULL, 85, 800, 600, 17761, 152, 32, 27, 01, 64, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 12 1024x768i-43 VESA */ + { NULL, 43, 1024, 768, 22271, 56, 8, 41, 0, 176, 8, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_INTERLACED, FB_MODE_IS_VESA }, + /* 13 1024x768-60 VESA */ + { NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6, + 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 14 1024x768-70 VESA */ + { NULL, 70, 1024, 768, 13333, 144, 24, 29, 3, 136, 6, + 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 15 1024x768-75 VESA */ + { NULL, 75, 1024, 768, 12690, 176, 16, 28, 1, 96, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 16 1024x768-85 VESA */ + { NULL, 85, 1024, 768, 10582, 208, 48, 36, 1, 96, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 17 1152x864-75 VESA */ + { NULL, 75, 1152, 864, 9259, 256, 64, 32, 1, 128, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 18 1280x960-60 VESA */ + { NULL, 60, 1280, 960, 9259, 312, 96, 36, 1, 112, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 19 1280x960-85 VESA */ + { NULL, 85, 1280, 960, 6734, 224, 64, 47, 1, 160, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 20 1280x1024-60 VESA */ + { NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 21 1280x1024-75 VESA */ + { NULL, 75, 1280, 1024, 7407, 248, 16, 38, 1, 144, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 22 1280x1024-85 VESA */ + { NULL, 85, 1280, 1024, 6349, 224, 64, 44, 1, 160, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 23 1600x1200-60 VESA */ + { NULL, 60, 1600, 1200, 6172, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 24 1600x1200-65 VESA */ + { NULL, 65, 1600, 1200, 5698, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 25 1600x1200-70 VESA */ + { NULL, 70, 1600, 1200, 5291, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 26 1600x1200-75 VESA */ + { NULL, 75, 1600, 1200, 4938, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 27 1600x1200-85 VESA */ + { NULL, 85, 1600, 1200, 4357, 304, 64, 46, 1, 192, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 28 1792x1344-60 VESA */ + { NULL, 60, 1792, 1344, 4882, 328, 128, 46, 1, 200, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 29 1792x1344-75 VESA */ + { NULL, 75, 1792, 1344, 3831, 352, 96, 69, 1, 216, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 30 1856x1392-60 VESA */ + { NULL, 60, 1856, 1392, 4580, 352, 96, 43, 1, 224, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 31 1856x1392-75 VESA */ + { NULL, 75, 1856, 1392, 3472, 352, 128, 104, 1, 224, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 32 1920x1440-60 VESA */ + { NULL, 60, 1920, 1440, 4273, 344, 128, 56, 1, 200, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, + /* 33 1920x1440-75 VESA */ + { NULL, 75, 1920, 1440, 3367, 352, 144, 56, 1, 224, 3, + FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }, +}; +EXPORT_SYMBOL(vesa_modes); +#endif /* CONFIG_FB_MODE_HELPERS */ + +/** + * fb_try_mode - test a video mode + * @var: frame buffer user defined part of display + * @info: frame buffer info structure + * @mode: frame buffer video mode structure + * @bpp: color depth in bits per pixel + * + * Tries a video mode to test it's validity for device @info. + * + * Returns 1 on success. + * + */ + +static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info, + const struct fb_videomode *mode, unsigned int bpp) +{ + int err = 0; + + DPRINTK("Trying mode %s %dx%d-%d@%d\n", + mode->name ? mode->name : "noname", + mode->xres, mode->yres, bpp, mode->refresh); + var->xres = mode->xres; + var->yres = mode->yres; + var->xres_virtual = mode->xres; + var->yres_virtual = mode->yres; + var->xoffset = 0; + var->yoffset = 0; + var->bits_per_pixel = bpp; + var->activate |= FB_ACTIVATE_TEST; + var->pixclock = mode->pixclock; + var->left_margin = mode->left_margin; + var->right_margin = mode->right_margin; + var->upper_margin = mode->upper_margin; + var->lower_margin = mode->lower_margin; + var->hsync_len = mode->hsync_len; + var->vsync_len = mode->vsync_len; + var->sync = mode->sync; + var->vmode = mode->vmode; + if (info->fbops->fb_check_var) + err = info->fbops->fb_check_var(var, info); + var->activate &= ~FB_ACTIVATE_TEST; + return err; +} + +/** + * fb_find_mode - finds a valid video mode + * @var: frame buffer user defined part of display + * @info: frame buffer info structure + * @mode_option: string video mode to find + * @db: video mode database + * @dbsize: size of @db + * @default_mode: default video mode to fall back to + * @default_bpp: default color depth in bits per pixel + * + * Finds a suitable video mode, starting with the specified mode + * in @mode_option with fallback to @default_mode. If + * @default_mode fails, all modes in the video mode database will + * be tried. + * + * Valid mode specifiers for @mode_option: + * + * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] or + * <name>[-<bpp>][@<refresh>] + * + * with <xres>, <yres>, <bpp> and <refresh> decimal numbers and + * <name> a string. + * + * If 'M' is present after yres (and before refresh/bpp if present), + * the function will compute the timings using VESA(tm) Coordinated + * Video Timings (CVT). If 'R' is present after 'M', will compute with + * reduced blanking (for flatpanels). If 'i' is present, compute + * interlaced mode. If 'm' is present, add margins equal to 1.8% + * of xres rounded down to 8 pixels, and 1.8% of yres. The char + * 'i' and 'm' must be after 'M' and 'R'. Example: + * + * 1024x768MR-8@60m - Reduced blank with margins at 60Hz. + * + * NOTE: The passed struct @var is _not_ cleared! This allows you + * to supply values for e.g. the grayscale and accel_flags fields. + * + * Returns zero for failure, 1 if using specified @mode_option, + * 2 if using specified @mode_option with an ignored refresh rate, + * 3 if default mode is used, 4 if fall back to any valid mode. + * + */ + +int fb_find_mode(struct fb_var_screeninfo *var, + struct fb_info *info, const char *mode_option, + const struct fb_videomode *db, unsigned int dbsize, + const struct fb_videomode *default_mode, + unsigned int default_bpp) +{ + int i; + + /* Set up defaults */ + if (!db) { + db = modedb; + dbsize = ARRAY_SIZE(modedb); + } + + if (!default_mode) + default_mode = &db[0]; + + if (!default_bpp) + default_bpp = 8; + + /* Did the user specify a video mode? */ + if (!mode_option) + mode_option = fb_mode_option; + if (mode_option) { + const char *name = mode_option; + unsigned int namelen = strlen(name); + int res_specified = 0, bpp_specified = 0, refresh_specified = 0; + unsigned int xres = 0, yres = 0, bpp = default_bpp, refresh = 0; + int yres_specified = 0, cvt = 0, rb = 0, interlace = 0; + int margins = 0; + u32 best, diff, tdiff; + + for (i = namelen-1; i >= 0; i--) { + switch (name[i]) { + case '@': + namelen = i; + if (!refresh_specified && !bpp_specified && + !yres_specified) { + refresh = simple_strtol(&name[i+1], NULL, + 10); + refresh_specified = 1; + if (cvt || rb) + cvt = 0; + } else + goto done; + break; + case '-': + namelen = i; + if (!bpp_specified && !yres_specified) { + bpp = simple_strtol(&name[i+1], NULL, + 10); + bpp_specified = 1; + if (cvt || rb) + cvt = 0; + } else + goto done; + break; + case 'x': + if (!yres_specified) { + yres = simple_strtol(&name[i+1], NULL, + 10); + yres_specified = 1; + } else + goto done; + break; + case '0' ... '9': + break; + case 'M': + if (!yres_specified) + cvt = 1; + break; + case 'R': + if (!cvt) + rb = 1; + break; + case 'm': + if (!cvt) + margins = 1; + break; + case 'i': + if (!cvt) + interlace = 1; + break; + default: + goto done; + } + } + if (i < 0 && yres_specified) { + xres = simple_strtol(name, NULL, 10); + res_specified = 1; + } +done: + if (cvt) { + struct fb_videomode cvt_mode; + int ret; + + DPRINTK("CVT mode %dx%d@%dHz%s%s%s\n", xres, yres, + (refresh) ? refresh : 60, + (rb) ? " reduced blanking" : "", + (margins) ? " with margins" : "", + (interlace) ? " interlaced" : ""); + + memset(&cvt_mode, 0, sizeof(cvt_mode)); + cvt_mode.xres = xres; + cvt_mode.yres = yres; + cvt_mode.refresh = (refresh) ? refresh : 60; + + if (interlace) + cvt_mode.vmode |= FB_VMODE_INTERLACED; + else + cvt_mode.vmode &= ~FB_VMODE_INTERLACED; + + ret = fb_find_mode_cvt(&cvt_mode, margins, rb); + + if (!ret && !fb_try_mode(var, info, &cvt_mode, bpp)) { + DPRINTK("modedb CVT: CVT mode ok\n"); + return 1; + } + + DPRINTK("CVT mode invalid, getting mode from database\n"); + } + + DPRINTK("Trying specified video mode%s %ix%i\n", + refresh_specified ? "" : " (ignoring refresh rate)", + xres, yres); + + if (!refresh_specified) { + /* + * If the caller has provided a custom mode database and + * a valid monspecs structure, we look for the mode with + * the highest refresh rate. Otherwise we play it safe + * it and try to find a mode with a refresh rate closest + * to the standard 60 Hz. + */ + if (db != modedb && + info->monspecs.vfmin && info->monspecs.vfmax && + info->monspecs.hfmin && info->monspecs.hfmax && + info->monspecs.dclkmax) { + refresh = 1000; + } else { + refresh = 60; + } + } + + diff = -1; + best = -1; + for (i = 0; i < dbsize; i++) { + if ((name_matches(db[i], name, namelen) || + (res_specified && res_matches(db[i], xres, yres))) && + !fb_try_mode(var, info, &db[i], bpp)) { + if (refresh_specified && db[i].refresh == refresh) + return 1; + + if (abs(db[i].refresh - refresh) < diff) { + diff = abs(db[i].refresh - refresh); + best = i; + } + } + } + if (best != -1) { + fb_try_mode(var, info, &db[best], bpp); + return (refresh_specified) ? 2 : 1; + } + + diff = 2 * (xres + yres); + best = -1; + DPRINTK("Trying best-fit modes\n"); + for (i = 0; i < dbsize; i++) { + DPRINTK("Trying %ix%i\n", db[i].xres, db[i].yres); + if (!fb_try_mode(var, info, &db[i], bpp)) { + tdiff = abs(db[i].xres - xres) + + abs(db[i].yres - yres); + + /* + * Penalize modes with resolutions smaller + * than requested. + */ + if (xres > db[i].xres || yres > db[i].yres) + tdiff += xres + yres; + + if (diff > tdiff) { + diff = tdiff; + best = i; + } + } + } + if (best != -1) { + fb_try_mode(var, info, &db[best], bpp); + return 5; + } + } + + DPRINTK("Trying default video mode\n"); + if (!fb_try_mode(var, info, default_mode, default_bpp)) + return 3; + + DPRINTK("Trying all modes\n"); + for (i = 0; i < dbsize; i++) + if (!fb_try_mode(var, info, &db[i], default_bpp)) + return 4; + + DPRINTK("No valid mode found\n"); + return 0; +} + +/** + * fb_var_to_videomode - convert fb_var_screeninfo to fb_videomode + * @mode: pointer to struct fb_videomode + * @var: pointer to struct fb_var_screeninfo + */ +void fb_var_to_videomode(struct fb_videomode *mode, + const struct fb_var_screeninfo *var) +{ + u32 pixclock, hfreq, htotal, vtotal; + + mode->name = NULL; + mode->xres = var->xres; + mode->yres = var->yres; + mode->pixclock = var->pixclock; + mode->hsync_len = var->hsync_len; + mode->vsync_len = var->vsync_len; + mode->left_margin = var->left_margin; + mode->right_margin = var->right_margin; + mode->upper_margin = var->upper_margin; + mode->lower_margin = var->lower_margin; + mode->sync = var->sync; + mode->vmode = var->vmode & FB_VMODE_MASK; + mode->flag = FB_MODE_IS_FROM_VAR; + mode->refresh = 0; + + if (!var->pixclock) + return; + + pixclock = PICOS2KHZ(var->pixclock) * 1000; + + htotal = var->xres + var->right_margin + var->hsync_len + + var->left_margin; + vtotal = var->yres + var->lower_margin + var->vsync_len + + var->upper_margin; + + if (var->vmode & FB_VMODE_INTERLACED) + vtotal /= 2; + if (var->vmode & FB_VMODE_DOUBLE) + vtotal *= 2; + + hfreq = pixclock/htotal; + mode->refresh = hfreq/vtotal; +} + +/** + * fb_videomode_to_var - convert fb_videomode to fb_var_screeninfo + * @var: pointer to struct fb_var_screeninfo + * @mode: pointer to struct fb_videomode + */ +void fb_videomode_to_var(struct fb_var_screeninfo *var, + const struct fb_videomode *mode) +{ + var->xres = mode->xres; + var->yres = mode->yres; + var->xres_virtual = mode->xres; + var->yres_virtual = mode->yres; + var->xoffset = 0; + var->yoffset = 0; + var->pixclock = mode->pixclock; + var->left_margin = mode->left_margin; + var->right_margin = mode->right_margin; + var->upper_margin = mode->upper_margin; + var->lower_margin = mode->lower_margin; + var->hsync_len = mode->hsync_len; + var->vsync_len = mode->vsync_len; + var->sync = mode->sync; + var->vmode = mode->vmode & FB_VMODE_MASK; +} + +/** + * fb_mode_is_equal - compare 2 videomodes + * @mode1: first videomode + * @mode2: second videomode + * + * RETURNS: + * 1 if equal, 0 if not + */ +int fb_mode_is_equal(const struct fb_videomode *mode1, + const struct fb_videomode *mode2) +{ + return (mode1->xres == mode2->xres && + mode1->yres == mode2->yres && + mode1->pixclock == mode2->pixclock && + mode1->hsync_len == mode2->hsync_len && + mode1->vsync_len == mode2->vsync_len && + mode1->left_margin == mode2->left_margin && + mode1->right_margin == mode2->right_margin && + mode1->upper_margin == mode2->upper_margin && + mode1->lower_margin == mode2->lower_margin && + mode1->sync == mode2->sync && + mode1->vmode == mode2->vmode); +} + +/** + * fb_find_best_mode - find best matching videomode + * @var: pointer to struct fb_var_screeninfo + * @head: pointer to struct list_head of modelist + * + * RETURNS: + * struct fb_videomode, NULL if none found + * + * IMPORTANT: + * This function assumes that all modelist entries in + * info->modelist are valid. + * + * NOTES: + * Finds best matching videomode which has an equal or greater dimension than + * var->xres and var->yres. If more than 1 videomode is found, will return + * the videomode with the highest refresh rate + */ +const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, + struct list_head *head) +{ + struct list_head *pos; + struct fb_modelist *modelist; + struct fb_videomode *mode, *best = NULL; + u32 diff = -1; + + list_for_each(pos, head) { + u32 d; + + modelist = list_entry(pos, struct fb_modelist, list); + mode = &modelist->mode; + + if (mode->xres >= var->xres && mode->yres >= var->yres) { + d = (mode->xres - var->xres) + + (mode->yres - var->yres); + if (diff > d) { + diff = d; + best = mode; + } else if (diff == d && best && + mode->refresh > best->refresh) + best = mode; + } + } + return best; +} + +/** + * fb_find_nearest_mode - find closest videomode + * + * @mode: pointer to struct fb_videomode + * @head: pointer to modelist + * + * Finds best matching videomode, smaller or greater in dimension. + * If more than 1 videomode is found, will return the videomode with + * the closest refresh rate. + */ +const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, + struct list_head *head) +{ + struct list_head *pos; + struct fb_modelist *modelist; + struct fb_videomode *cmode, *best = NULL; + u32 diff = -1, diff_refresh = -1; + + list_for_each(pos, head) { + u32 d; + + modelist = list_entry(pos, struct fb_modelist, list); + cmode = &modelist->mode; + + d = abs(cmode->xres - mode->xres) + + abs(cmode->yres - mode->yres); + if (diff > d) { + diff = d; + diff_refresh = abs(cmode->refresh - mode->refresh); + best = cmode; + } else if (diff == d) { + d = abs(cmode->refresh - mode->refresh); + if (diff_refresh > d) { + diff_refresh = d; + best = cmode; + } + } + } + + return best; +} + +/** + * fb_match_mode - find a videomode which exactly matches the timings in var + * @var: pointer to struct fb_var_screeninfo + * @head: pointer to struct list_head of modelist + * + * RETURNS: + * struct fb_videomode, NULL if none found + */ +const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, + struct list_head *head) +{ + struct list_head *pos; + struct fb_modelist *modelist; + struct fb_videomode *m, mode; + + fb_var_to_videomode(&mode, var); + list_for_each(pos, head) { + modelist = list_entry(pos, struct fb_modelist, list); + m = &modelist->mode; + if (fb_mode_is_equal(m, &mode)) + return m; + } + return NULL; +} + +/** + * fb_add_videomode - adds videomode entry to modelist + * @mode: videomode to add + * @head: struct list_head of modelist + * + * NOTES: + * Will only add unmatched mode entries + */ +int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head) +{ + struct list_head *pos; + struct fb_modelist *modelist; + struct fb_videomode *m; + int found = 0; + + list_for_each(pos, head) { + modelist = list_entry(pos, struct fb_modelist, list); + m = &modelist->mode; + if (fb_mode_is_equal(m, mode)) { + found = 1; + break; + } + } + if (!found) { + modelist = kmalloc(sizeof(struct fb_modelist), + GFP_KERNEL); + + if (!modelist) + return -ENOMEM; + modelist->mode = *mode; + list_add(&modelist->list, head); + } + return 0; +} + +/** + * fb_delete_videomode - removed videomode entry from modelist + * @mode: videomode to remove + * @head: struct list_head of modelist + * + * NOTES: + * Will remove all matching mode entries + */ +void fb_delete_videomode(const struct fb_videomode *mode, + struct list_head *head) +{ + struct list_head *pos, *n; + struct fb_modelist *modelist; + struct fb_videomode *m; + + list_for_each_safe(pos, n, head) { + modelist = list_entry(pos, struct fb_modelist, list); + m = &modelist->mode; + if (fb_mode_is_equal(m, mode)) { + list_del(pos); + kfree(pos); + } + } +} + +/** + * fb_destroy_modelist - destroy modelist + * @head: struct list_head of modelist + */ +void fb_destroy_modelist(struct list_head *head) +{ + struct list_head *pos, *n; + + list_for_each_safe(pos, n, head) { + list_del(pos); + kfree(pos); + } +} +EXPORT_SYMBOL_GPL(fb_destroy_modelist); + +/** + * fb_videomode_to_modelist - convert mode array to mode list + * @modedb: array of struct fb_videomode + * @num: number of entries in array + * @head: struct list_head of modelist + */ +void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, + struct list_head *head) +{ + int i; + + INIT_LIST_HEAD(head); + + for (i = 0; i < num; i++) { + if (fb_add_videomode(&modedb[i], head)) + return; + } +} + +const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, + struct list_head *head) +{ + struct list_head *pos; + struct fb_modelist *modelist; + const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL; + int first = 0; + + if (!head->prev || !head->next || list_empty(head)) + goto finished; + + /* get the first detailed mode and the very first mode */ + list_for_each(pos, head) { + modelist = list_entry(pos, struct fb_modelist, list); + m = &modelist->mode; + + if (!first) { + m1 = m; + first = 1; + } + + if (m->flag & FB_MODE_IS_FIRST) { + md = m; + break; + } + } + + /* first detailed timing is preferred */ + if (specs->misc & FB_MISC_1ST_DETAIL) { + best = md; + goto finished; + } + + /* find best mode based on display width and height */ + if (specs->max_x && specs->max_y) { + struct fb_var_screeninfo var; + + memset(&var, 0, sizeof(struct fb_var_screeninfo)); + var.xres = (specs->max_x * 7200)/254; + var.yres = (specs->max_y * 7200)/254; + m = fb_find_best_mode(&var, head); + if (m) { + best = m; + goto finished; + } + } + + /* use first detailed mode */ + if (md) { + best = md; + goto finished; + } + + /* last resort, use the very first mode */ + best = m1; +finished: + return best; +} +EXPORT_SYMBOL(fb_find_best_display); + +EXPORT_SYMBOL(fb_videomode_to_var); +EXPORT_SYMBOL(fb_var_to_videomode); +EXPORT_SYMBOL(fb_mode_is_equal); +EXPORT_SYMBOL(fb_add_videomode); +EXPORT_SYMBOL(fb_match_mode); +EXPORT_SYMBOL(fb_find_best_mode); +EXPORT_SYMBOL(fb_find_nearest_mode); +EXPORT_SYMBOL(fb_videomode_to_modelist); +EXPORT_SYMBOL(fb_find_mode); +EXPORT_SYMBOL(fb_find_mode_cvt); |