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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
*
*/
#include <common.h>
#include <env.h>
#include <linux/errno.h>
#include <asm/mach-imx/video.h>
#ifdef CONFIG_IMX_HDMI
#include <asm/arch/mxc_hdmi.h>
#include <asm/io.h>
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
int board_video_skip(void)
{
int i;
int ret = 0;
char const *panel = env_get("panel");
if (!panel) {
for (i = 0; i < display_count; i++) {
struct display_info_t const *dev = displays+i;
if (dev->detect && dev->detect(dev)) {
panel = dev->mode.name;
printf("auto-detected panel %s\n", panel);
break;
}
}
if (!panel) {
panel = displays[0].mode.name;
printf("No panel detected: default to %s\n", panel);
i = 0;
}
} else {
for (i = 0; i < display_count; i++) {
if (!strcmp(panel, displays[i].mode.name))
break;
}
}
if (i < display_count) {
#if defined(CONFIG_VIDEO_IPUV3)
ret = ipuv3_fb_init(&displays[i].mode, displays[i].di ? 1 : 0,
displays[i].pixfmt);
#elif defined(CONFIG_VIDEO_MXS)
ret = mxs_lcd_panel_setup(displays[i].mode,
displays[i].pixfmt,
displays[i].bus);
#endif
if (!ret) {
if (displays[i].enable)
displays[i].enable(displays + i);
printf("Display: %s (%ux%u)\n",
displays[i].mode.name,
displays[i].mode.xres,
displays[i].mode.yres);
#ifdef CONFIG_IMX_HDMI
if (!strcmp(displays[i].mode.name, "HDMI"))
imx_enable_hdmi_phy();
#endif
} else
printf("LCD %s cannot be configured: %d\n",
displays[i].mode.name, ret);
} else {
printf("unsupported panel %s\n", panel);
return -EINVAL;
}
return ret;
}
int ipu_displays_init(void)
{
return board_video_skip();
}
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