From e688a99c07337738dba9fb22a05b9d33eaac597c Mon Sep 17 00:00:00 2001 From: Eric Benard Date: Fri, 4 Apr 2014 19:05:56 +0200 Subject: [PATCH] imx-common/video: add detect_hdmi MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit this function is used by several board together with board_video_skip to detect if hdmi is plugged is order to select the display to use. So move it in imx-common to share it. Signed-off-by: Eric Bénard --- arch/arm/imx-common/video.c | 10 ++++++++++ arch/arm/include/asm/imx-common/video.h | 4 ++++ 2 files changed, 14 insertions(+) diff --git a/arch/arm/imx-common/video.c b/arch/arm/imx-common/video.c index 098239a716..0121cd78f2 100644 --- a/arch/arm/imx-common/video.c +++ b/arch/arm/imx-common/video.c @@ -53,3 +53,13 @@ int board_video_skip(void) return 0; } + +#ifdef CONFIG_IMX_HDMI +#include +#include +int detect_hdmi(struct display_info_t const *dev) +{ + struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; + return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT; +} +#endif diff --git a/arch/arm/include/asm/imx-common/video.h b/arch/arm/include/asm/imx-common/video.h index e0c4ef4508..2d948508d5 100644 --- a/arch/arm/include/asm/imx-common/video.h +++ b/arch/arm/include/asm/imx-common/video.h @@ -17,4 +17,8 @@ struct display_info_t { struct fb_videomode mode; }; +#ifdef CONFIG_IMX_HDMI +extern int detect_hdmi(struct display_info_t const *dev); +#endif + #endif -- 2.39.5