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-rw-r--r--include/video/display_timing.h57
-rw-r--r--include/video/videomode.h18
2 files changed, 31 insertions, 44 deletions
diff --git a/include/video/display_timing.h b/include/video/display_timing.h
index 71e9a38..5d0259b 100644
--- a/include/video/display_timing.h
+++ b/include/video/display_timing.h
@@ -12,19 +12,22 @@
#include <linux/bitops.h>
#include <linux/types.h>
-/* VESA display monitor timing parameters */
-#define VESA_DMT_HSYNC_LOW BIT(0)
-#define VESA_DMT_HSYNC_HIGH BIT(1)
-#define VESA_DMT_VSYNC_LOW BIT(2)
-#define VESA_DMT_VSYNC_HIGH BIT(3)
-
-/* display specific flags */
-#define DISPLAY_FLAGS_DE_LOW BIT(0) /* data enable flag */
-#define DISPLAY_FLAGS_DE_HIGH BIT(1)
-#define DISPLAY_FLAGS_PIXDATA_POSEDGE BIT(2) /* drive data on pos. edge */
-#define DISPLAY_FLAGS_PIXDATA_NEGEDGE BIT(3) /* drive data on neg. edge */
-#define DISPLAY_FLAGS_INTERLACED BIT(4)
-#define DISPLAY_FLAGS_DOUBLESCAN BIT(5)
+enum display_flags {
+ DISPLAY_FLAGS_HSYNC_LOW = BIT(0),
+ DISPLAY_FLAGS_HSYNC_HIGH = BIT(1),
+ DISPLAY_FLAGS_VSYNC_LOW = BIT(2),
+ DISPLAY_FLAGS_VSYNC_HIGH = BIT(3),
+
+ /* data enable flag */
+ DISPLAY_FLAGS_DE_LOW = BIT(4),
+ DISPLAY_FLAGS_DE_HIGH = BIT(5),
+ /* drive data on pos. edge */
+ DISPLAY_FLAGS_PIXDATA_POSEDGE = BIT(6),
+ /* drive data on neg. edge */
+ DISPLAY_FLAGS_PIXDATA_NEGEDGE = BIT(7),
+ DISPLAY_FLAGS_INTERLACED = BIT(8),
+ DISPLAY_FLAGS_DOUBLESCAN = BIT(9),
+};
/*
* A single signal can be specified via a range of minimal and maximal values
@@ -36,12 +39,6 @@ struct timing_entry {
u32 max;
};
-enum timing_entry_index {
- TE_MIN = 0,
- TE_TYP = 1,
- TE_MAX = 2,
-};
-
/*
* Single "mode" entry. This describes one set of signal timings a display can
* have in one setting. This struct can later be converted to struct videomode
@@ -72,8 +69,7 @@ struct display_timing {
struct timing_entry vback_porch; /* ver. back porch */
struct timing_entry vsync_len; /* ver. sync len */
- unsigned int dmt_flags; /* VESA DMT flags */
- unsigned int data_flags; /* video data flags */
+ enum display_flags flags; /* display flags */
};
/*
@@ -89,25 +85,6 @@ struct display_timings {
struct display_timing **timings;
};
-/* get value specified by index from struct timing_entry */
-static inline u32 display_timing_get_value(const struct timing_entry *te,
- enum timing_entry_index index)
-{
- switch (index) {
- case TE_MIN:
- return te->min;
- break;
- case TE_TYP:
- return te->typ;
- break;
- case TE_MAX:
- return te->max;
- break;
- default:
- return te->typ;
- }
-}
-
/* get one entry from struct display_timings */
static inline struct display_timing *display_timings_get(const struct
display_timings *disp,
diff --git a/include/video/videomode.h b/include/video/videomode.h
index a421562..3f1049d 100644
--- a/include/video/videomode.h
+++ b/include/video/videomode.h
@@ -29,20 +29,30 @@ struct videomode {
u32 vback_porch;
u32 vsync_len;
- unsigned int dmt_flags; /* VESA DMT flags */
- unsigned int data_flags; /* video data flags */
+ 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 a struct display_timing to a struct videomode.
+ * This function converts one struct display_timing entry to a struct videomode.
*/
-int videomode_from_timing(const struct display_timings *disp,
+int videomode_from_timings(const struct display_timings *disp,
struct videomode *vm, unsigned int index);
#endif
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