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path: root/drivers/video/tegra/dc/mode.c
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Diffstat (limited to 'drivers/video/tegra/dc/mode.c')
-rw-r--r--drivers/video/tegra/dc/mode.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/video/tegra/dc/mode.c b/drivers/video/tegra/dc/mode.c
index 6de02200e188..0a0e730ad174 100644
--- a/drivers/video/tegra/dc/mode.c
+++ b/drivers/video/tegra/dc/mode.c
@@ -26,6 +26,84 @@
#include "dc_reg.h"
#include "dc_priv.h"
+const struct fb_videomode tegra_modes[] = {
+ /* TouchRevolution Fusion 10" aka Chunghwa Picture Tubes
+ * CLAA100NC05 10.1 inch 1024x600 single channel LVDS panel
+ */
+ {
+ .name = "1024x600", .refresh = 60, .xres = 1024, .yres = 600,
+ .pixclock = 20833, .left_margin = 104, .right_margin = 43,
+ .upper_margin = 24, .lower_margin = 20,
+ .hsync_len = 5, .vsync_len = 5,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .flag = FB_FLAG_RATIO_16_9,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ /* EDT 5.7" ET070080DH or TouchRevolution Fusion 7" */
+ {
+ .name = "800x480", .refresh = 60, .xres = 800, .yres = 480,
+ .pixclock = 30807, .left_margin = 128, .right_margin = 64,
+ .upper_margin = 22, .lower_margin = 20,
+ .hsync_len = 64, .vsync_len = 3,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .flag = FB_FLAG_RATIO_16_9,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ /* Portrait modes */
+ {
+ .name = "480x640", .refresh = 60, .xres = 480, .yres = 640,
+ .pixclock = 55555, .left_margin = 20, .right_margin = 8,
+ .upper_margin = 7, .lower_margin = 8,
+ .hsync_len = 4, .vsync_len = 1,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .name = "540x960", .refresh = 60, .xres = 540, .yres = 960,
+ .pixclock = 100000, .left_margin = 32, .right_margin = 32,
+ .upper_margin = 1, .lower_margin = 2,
+ .hsync_len = 16, .vsync_len = 1,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+ {
+ .name = "720x1280", .refresh = 60, .xres = 720, .yres = 1280,
+ .pixclock = 16282, .left_margin = 100, .right_margin = 4,
+ .upper_margin = 14, .lower_margin = 4,
+ .hsync_len = 4, .vsync_len = 4,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .vmode = FB_VMODE_NONINTERLACED
+ },
+};
+
+/* try to find best matching mode using our modes, VESA and CEA modes from
+ * modedb
+ */
+int tegra_fb_find_mode(struct fb_var_screeninfo *var, struct fb_info *info,
+ const char* option, unsigned int default_bpp)
+{
+ int out;
+
+ out = fb_find_mode(var, info, option, tegra_modes,
+ ARRAY_SIZE(tegra_modes), NULL, default_bpp);
+
+ /* Only accept this mode if we found a reasonable match (resolution) */
+ if (out == 1 || out == 2)
+ return out;
+
+ out = fb_find_mode(&info->var, info, option,
+ cea_modes, CEA_MODEDB_SIZE, NULL, default_bpp);
+
+ /* Check if we found a full match */
+ if (out == 1 || out == 2)
+ return out;
+
+ return fb_find_mode(&info->var, info, option,
+ vesa_modes, VESA_MODEDB_SIZE, NULL, default_bpp);
+}
+EXPORT_SYMBOL(tegra_fb_find_mode);
+
+
/* return non-zero if constraint is violated */
static int calc_h_ref_to_sync(const struct tegra_dc_mode *mode, int *href)
{