From 479cd47dceaac3920c06016851111caa2bf7d501 Mon Sep 17 00:00:00 2001 From: "shihong.zheng" Date: Tue, 6 Nov 2018 20:29:19 +0800 Subject: [PATCH] canvas: get canvas w/h for frame check [2/2] 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 --- drivers/amlogic/media/common/canvas/canvas.c | 21 +++++++++++++++++++++ include/linux/amlogic/media/canvas/canvas.h | 4 ++++ 2 files changed, 25 insertions(+) diff --git a/drivers/amlogic/media/common/canvas/canvas.c b/drivers/amlogic/media/common/canvas/canvas.c index 8e4b1f1..45caef2 100644 --- a/drivers/amlogic/media/common/canvas/canvas.c +++ b/drivers/amlogic/media/common/canvas/canvas.c @@ -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) diff --git a/include/linux/amlogic/media/canvas/canvas.h b/include/linux/amlogic/media/canvas/canvas.h index b5ad471..98de6f3 100644 --- a/include/linux/amlogic/media/canvas/canvas.h +++ b/include/linux/amlogic/media/canvas/canvas.h @@ -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 */ -- 2.7.4