183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2552a848eSStefano Babic
3552a848eSStefano Babic #include <common.h>
4552a848eSStefano Babic #include <linux/errno.h>
5552a848eSStefano Babic #include <asm/mach-imx/video.h>
6552a848eSStefano Babic
board_video_skip(void)7552a848eSStefano Babic int board_video_skip(void)
8552a848eSStefano Babic {
9552a848eSStefano Babic int i;
10*3fd39937SYe Li int ret = 0;
1100caae6dSSimon Glass char const *panel = env_get("panel");
12552a848eSStefano Babic
13552a848eSStefano Babic if (!panel) {
14552a848eSStefano Babic for (i = 0; i < display_count; i++) {
15552a848eSStefano Babic struct display_info_t const *dev = displays+i;
16552a848eSStefano Babic if (dev->detect && dev->detect(dev)) {
17552a848eSStefano Babic panel = dev->mode.name;
18552a848eSStefano Babic printf("auto-detected panel %s\n", panel);
19552a848eSStefano Babic break;
20552a848eSStefano Babic }
21552a848eSStefano Babic }
22552a848eSStefano Babic if (!panel) {
23552a848eSStefano Babic panel = displays[0].mode.name;
24552a848eSStefano Babic printf("No panel detected: default to %s\n", panel);
25552a848eSStefano Babic i = 0;
26552a848eSStefano Babic }
27552a848eSStefano Babic } else {
28552a848eSStefano Babic for (i = 0; i < display_count; i++) {
29552a848eSStefano Babic if (!strcmp(panel, displays[i].mode.name))
30552a848eSStefano Babic break;
31552a848eSStefano Babic }
32552a848eSStefano Babic }
33552a848eSStefano Babic
34552a848eSStefano Babic if (i < display_count) {
35552a848eSStefano Babic ret = ipuv3_fb_init(&displays[i].mode, displays[i].di ? 1 : 0,
36552a848eSStefano Babic displays[i].pixfmt);
37552a848eSStefano Babic if (!ret) {
38552a848eSStefano Babic if (displays[i].enable)
39552a848eSStefano Babic displays[i].enable(displays + i);
40552a848eSStefano Babic
41552a848eSStefano Babic printf("Display: %s (%ux%u)\n",
42552a848eSStefano Babic displays[i].mode.name,
43552a848eSStefano Babic displays[i].mode.xres,
44552a848eSStefano Babic displays[i].mode.yres);
45552a848eSStefano Babic } else
46552a848eSStefano Babic printf("LCD %s cannot be configured: %d\n",
47552a848eSStefano Babic displays[i].mode.name, ret);
48552a848eSStefano Babic } else {
49552a848eSStefano Babic printf("unsupported panel %s\n", panel);
50552a848eSStefano Babic return -EINVAL;
51552a848eSStefano Babic }
52552a848eSStefano Babic
53*3fd39937SYe Li return ret;
54552a848eSStefano Babic }
55552a848eSStefano Babic
56552a848eSStefano Babic #ifdef CONFIG_IMX_HDMI
57552a848eSStefano Babic #include <asm/arch/mxc_hdmi.h>
58552a848eSStefano Babic #include <asm/io.h>
detect_hdmi(struct display_info_t const * dev)59552a848eSStefano Babic int detect_hdmi(struct display_info_t const *dev)
60552a848eSStefano Babic {
61552a848eSStefano Babic struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
62552a848eSStefano Babic return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
63552a848eSStefano Babic }
64552a848eSStefano Babic #endif
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