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https://github.com/brain-hackers/u-boot-brain
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videomodes: add helper function to convert from ctfb to display_timing
This function converts from "struct ctf_res_modes" to "struct display_timing". Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com> Reviewed-by: Anatolij Gustschin <agust@denx.de>
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@ -444,3 +444,32 @@ int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t,
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return 0;
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return 0;
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}
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}
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void video_ctfb_mode_to_display_timing(const struct ctfb_res_modes *mode,
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struct display_timing *timing)
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{
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timing->pixelclock.typ = mode->pixclock_khz * 1000;
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timing->hactive.typ = mode->xres;
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timing->hfront_porch.typ = mode->right_margin;
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timing->hback_porch.typ = mode->left_margin;
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timing->hsync_len.typ = mode->hsync_len;
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timing->vactive.typ = mode->yres;
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timing->vfront_porch.typ = mode->lower_margin;
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timing->vback_porch.typ = mode->upper_margin;
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timing->vsync_len.typ = mode->vsync_len;
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timing->flags = 0;
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if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
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timing->flags |= DISPLAY_FLAGS_HSYNC_HIGH;
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else
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timing->flags |= DISPLAY_FLAGS_HSYNC_LOW;
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if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
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timing->flags |= DISPLAY_FLAGS_VSYNC_HIGH;
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else
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timing->flags |= DISPLAY_FLAGS_VSYNC_LOW;
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if (mode->vmode == FB_VMODE_INTERLACED)
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timing->flags |= DISPLAY_FLAGS_INTERLACED;
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}
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@ -92,3 +92,14 @@ int video_get_option_int(const char *options, const char *name, int def);
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int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t,
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int video_edid_dtd_to_ctfb_res_modes(struct edid_detailed_timing *t,
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struct ctfb_res_modes *mode);
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struct ctfb_res_modes *mode);
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/**
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* video_ctfb_mode_to_display_timing() - Convert a ctfb(Cathode Tube Frame
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* Buffer)_res_modes struct to a
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* display_timing struct.
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*
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* @mode: Input ctfb_res_modes structure pointer to be converted
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* from
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* @timing: Output display_timing structure pointer to be converted to
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*/
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void video_ctfb_mode_to_display_timing(const struct ctfb_res_modes *mode,
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struct display_timing *timing);
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