diff options
Diffstat (limited to 'include/video/videomode.h')
-rw-r--r-- | include/video/videomode.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/video/videomode.h b/include/video/videomode.h new file mode 100644 index 0000000000..7b20ee6ea2 --- /dev/null +++ b/include/video/videomode.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de> + * + * generic videomode description + */ + +#ifndef __LINUX_VIDEOMODE_H +#define __LINUX_VIDEOMODE_H + +#include <linux/types.h> +#include <video/display_timing.h> + +/* + * Subsystem independent description of a videomode. + * Can be generated from struct display_timing. + */ +struct videomode { + unsigned long pixelclock; /* pixelclock in Hz */ + + u32 hactive; + u32 hfront_porch; + u32 hback_porch; + u32 hsync_len; + + u32 vactive; + u32 vfront_porch; + u32 vback_porch; + u32 vsync_len; + + enum display_flags flags; /* display flags */ +}; + +/** + * videomode_from_timing - convert display timing to videomode + * @dt: display_timing structure + * @vm: return value + * + * DESCRIPTION: + * This function converts a struct display_timing to a struct videomode. + */ +void videomode_from_timing(const struct display_timing *dt, + struct videomode *vm); + +/** + * videomode_from_timings - convert one display timings entry to videomode + * @disp: structure with all possible timing entries + * @vm: return value + * @index: index into the list of display timings in devicetree + * + * DESCRIPTION: + * This function converts one struct display_timing entry to a struct videomode. + */ +int videomode_from_timings(const struct display_timings *disp, + struct videomode *vm, unsigned int index); + +#endif |