xref: /openbmc/u-boot/arch/arm/mach-imx/cmd_hdmidet.c (revision cd1cc31f)
1 /*
2  * Copyright (C) 2012 Boundary Devices Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #include <common.h>
7 #include <asm/arch/imx-regs.h>
8 #include <asm/arch/mxc_hdmi.h>
9 #include <asm/io.h>
10 
11 static int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
12 {
13 	struct hdmi_regs *hdmi	= (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
14 	return (readb(&hdmi->phy_stat0) & HDMI_DVI_STAT) ? 0 : 1;
15 }
16 
17 U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet,
18 	"detect HDMI monitor",
19 	""
20 );
21