Jetpack/u-boot/arch/arm/imx-common/cmd_hdmidet.c

21 lines
474 B
C

/*
* Copyright (C) 2012 Boundary Devices Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/io.h>
static int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
return (readb(&hdmi->phy_stat0) & HDMI_DVI_STAT) ? 0 : 1;
}
U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet,
"detect HDMI monitor",
""
);