1*83d290c5STom 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 7552a848eSStefano Babic int board_video_skip(void) 8552a848eSStefano Babic { 9552a848eSStefano Babic int i; 10552a848eSStefano Babic int ret; 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 53552a848eSStefano Babic return 0; 54552a848eSStefano Babic } 55552a848eSStefano Babic 56552a848eSStefano Babic #ifdef CONFIG_IMX_HDMI 57552a848eSStefano Babic #include <asm/arch/mxc_hdmi.h> 58552a848eSStefano Babic #include <asm/io.h> 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 65