1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
3*4882a593Smuzhiyun */
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <common.h>
6*4882a593Smuzhiyun #include <linux/errno.h>
7*4882a593Smuzhiyun #include <asm/mach-imx/video.h>
8*4882a593Smuzhiyun
board_video_skip(void)9*4882a593Smuzhiyun int board_video_skip(void)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun int i;
12*4882a593Smuzhiyun int ret;
13*4882a593Smuzhiyun char const *panel = env_get("panel");
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun if (!panel) {
16*4882a593Smuzhiyun for (i = 0; i < display_count; i++) {
17*4882a593Smuzhiyun struct display_info_t const *dev = displays+i;
18*4882a593Smuzhiyun if (dev->detect && dev->detect(dev)) {
19*4882a593Smuzhiyun panel = dev->mode.name;
20*4882a593Smuzhiyun printf("auto-detected panel %s\n", panel);
21*4882a593Smuzhiyun break;
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun if (!panel) {
25*4882a593Smuzhiyun panel = displays[0].mode.name;
26*4882a593Smuzhiyun printf("No panel detected: default to %s\n", panel);
27*4882a593Smuzhiyun i = 0;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun } else {
30*4882a593Smuzhiyun for (i = 0; i < display_count; i++) {
31*4882a593Smuzhiyun if (!strcmp(panel, displays[i].mode.name))
32*4882a593Smuzhiyun break;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun if (i < display_count) {
37*4882a593Smuzhiyun ret = ipuv3_fb_init(&displays[i].mode, displays[i].di ? 1 : 0,
38*4882a593Smuzhiyun displays[i].pixfmt);
39*4882a593Smuzhiyun if (!ret) {
40*4882a593Smuzhiyun if (displays[i].enable)
41*4882a593Smuzhiyun displays[i].enable(displays + i);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun printf("Display: %s (%ux%u)\n",
44*4882a593Smuzhiyun displays[i].mode.name,
45*4882a593Smuzhiyun displays[i].mode.xres,
46*4882a593Smuzhiyun displays[i].mode.yres);
47*4882a593Smuzhiyun } else
48*4882a593Smuzhiyun printf("LCD %s cannot be configured: %d\n",
49*4882a593Smuzhiyun displays[i].mode.name, ret);
50*4882a593Smuzhiyun } else {
51*4882a593Smuzhiyun printf("unsupported panel %s\n", panel);
52*4882a593Smuzhiyun return -EINVAL;
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun return 0;
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun #ifdef CONFIG_IMX_HDMI
59*4882a593Smuzhiyun #include <asm/arch/mxc_hdmi.h>
60*4882a593Smuzhiyun #include <asm/io.h>
detect_hdmi(struct display_info_t const * dev)61*4882a593Smuzhiyun int detect_hdmi(struct display_info_t const *dev)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
64*4882a593Smuzhiyun return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun #endif
67