uboot/arch/arm/imx-common/cmd_hdmidet.c
<<
>>
Prefs
   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
  11static 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
  17U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet,
  18        "detect HDMI monitor",
  19        ""
  20);
  21