diff options
Diffstat (limited to 'include/video')
-rw-r--r-- | include/video/display_timing.h | 57 | ||||
-rw-r--r-- | include/video/videomode.h | 18 |
2 files changed, 31 insertions, 44 deletions
diff --git a/include/video/display_timing.h b/include/video/display_timing.h index 71e9a383a98..5d0259b08e0 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 a42156234dd..3f1049d870d 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 |