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canvas: get canvas w/h for frame check [2/2]

Browse Source 
PD#SWPL-1738

Problem:
support frame crc32 check and dump yuv.

Solution:
support frame check and yuv dump in media_module, add interface
to get canvas width/height.

Verify:
u212

Change-Id: Ieadc95521c4a21bec5685f8c8926d3bb2f92637b
Signed-off-by: shihong.zheng <shihong.zheng@amlogic.com>
This commit is contained in:
shihong.zheng
2018-11-06 20:29:19 +08:00
committed by Dongjin Kim
parent 976f4f980c
commit 36142d5de6
2 changed files with 25 additions and 0 deletions
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21
drivers/amlogic/media/common/canvas/canvas.c
View File

@@ -334,6 +334,27 @@ unsigned int canvas_get_addr(u32 index)
}
EXPORT_SYMBOL(canvas_get_addr);
unsigned int canvas_get_width(u32 index)
{
struct canvas_device_info *info = &canvas_info;
if (!CANVAS_VALID(index))
return 0;
return info->canvasPool[index].width;
}
EXPORT_SYMBOL(canvas_get_width);
unsigned int canvas_get_height(u32 index)
{
struct canvas_device_info *info = &canvas_info;
if (!CANVAS_VALID(index))
return 0;
return info->canvasPool[index].height;
}
EXPORT_SYMBOL(canvas_get_height);
/*********************************************************/
#define to_canvas(kobj) container_of(kobj, struct canvas_s, kobj)
static ssize_t addr_show(struct canvas_s *canvas, char *buf)

4
include/linux/amlogic/media/canvas/canvas.h
View File

@@ -86,4 +86,8 @@ extern void canvas_update_addr(u32 index, u32 addr);
extern unsigned int canvas_get_addr(u32 index);
extern unsigned int canvas_get_width(u32 index);
extern unsigned int canvas_get_height(u32 index);
#endif /* CANVAS_H */