mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
ea465250d4
This patch adds a way to create and use the video plane (YUV overlay) and
scaling video scaling features of the chip.
The overlay is configured, resized and modified using a device specific
ioctl.
Also included in this patch:
- If no platform data was passed, print an error and exit instead of crashing.
- Added a write_reg(_dly) macro. This improves readability when
manipulating chip registers. (no more udelay() after each write).
- Comments about some issues.
Signed-off-by: Raphael Assenat <raph@8d.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
60 lines
1.0 KiB
C
60 lines
1.0 KiB
C
#ifndef __MBX_FB_H
|
|
#define __MBX_FB_H
|
|
|
|
#include <asm/ioctl.h>
|
|
#include <asm/types.h>
|
|
|
|
struct mbxfb_val {
|
|
unsigned int defval;
|
|
unsigned int min;
|
|
unsigned int max;
|
|
};
|
|
|
|
struct fb_info;
|
|
|
|
struct mbxfb_platform_data {
|
|
/* Screen info */
|
|
struct mbxfb_val xres;
|
|
struct mbxfb_val yres;
|
|
struct mbxfb_val bpp;
|
|
|
|
/* Memory info */
|
|
unsigned long memsize; /* if 0 use ODFB? */
|
|
unsigned long timings1;
|
|
unsigned long timings2;
|
|
unsigned long timings3;
|
|
|
|
int (*probe)(struct fb_info *fb);
|
|
int (*remove)(struct fb_info *fb);
|
|
};
|
|
|
|
/* planar */
|
|
#define MBXFB_FMT_YUV12 0
|
|
|
|
/* packed */
|
|
#define MBXFB_FMT_UY0VY1 1
|
|
#define MBXFB_FMT_VY0UY1 2
|
|
#define MBXFB_FMT_Y0UY1V 3
|
|
#define MBXFB_FMT_Y0VY1U 4
|
|
struct mbxfb_overlaySetup {
|
|
__u32 enable;
|
|
__u32 x, y;
|
|
__u32 width, height;
|
|
__u32 alpha;
|
|
__u32 fmt;
|
|
__u32 mem_offset;
|
|
__u32 scaled_width;
|
|
__u32 scaled_height;
|
|
|
|
/* Filled by the driver */
|
|
__u32 U_offset;
|
|
__u32 V_offset;
|
|
|
|
__u16 Y_stride;
|
|
__u16 UV_stride;
|
|
};
|
|
|
|
#define MBXFB_IOCX_OVERLAY _IOWR(0xF4, 0x00,struct mbxfb_overlaySetup)
|
|
|
|
#endif /* __MBX_FB_H */
|