1552a848eSStefano Babic /* 2552a848eSStefano Babic * SPDX-License-Identifier: GPL-2.0+ 3552a848eSStefano Babic */ 4552a848eSStefano Babic 5552a848eSStefano Babic #include <common.h> 6552a848eSStefano Babic #include <linux/errno.h> 7552a848eSStefano Babic #include <asm/mach-imx/video.h> 8552a848eSStefano Babic 9552a848eSStefano Babic int board_video_skip(void) 10552a848eSStefano Babic { 11552a848eSStefano Babic int i; 12552a848eSStefano Babic int ret; 13*00caae6dSSimon Glass char const *panel = env_get("panel"); 14552a848eSStefano Babic 15552a848eSStefano Babic if (!panel) { 16552a848eSStefano Babic for (i = 0; i < display_count; i++) { 17552a848eSStefano Babic struct display_info_t const *dev = displays+i; 18552a848eSStefano Babic if (dev->detect && dev->detect(dev)) { 19552a848eSStefano Babic panel = dev->mode.name; 20552a848eSStefano Babic printf("auto-detected panel %s\n", panel); 21552a848eSStefano Babic break; 22552a848eSStefano Babic } 23552a848eSStefano Babic } 24552a848eSStefano Babic if (!panel) { 25552a848eSStefano Babic panel = displays[0].mode.name; 26552a848eSStefano Babic printf("No panel detected: default to %s\n", panel); 27552a848eSStefano Babic i = 0; 28552a848eSStefano Babic } 29552a848eSStefano Babic } else { 30552a848eSStefano Babic for (i = 0; i < display_count; i++) { 31552a848eSStefano Babic if (!strcmp(panel, displays[i].mode.name)) 32552a848eSStefano Babic break; 33552a848eSStefano Babic } 34552a848eSStefano Babic } 35552a848eSStefano Babic 36552a848eSStefano Babic if (i < display_count) { 37552a848eSStefano Babic ret = ipuv3_fb_init(&displays[i].mode, displays[i].di ? 1 : 0, 38552a848eSStefano Babic displays[i].pixfmt); 39552a848eSStefano Babic if (!ret) { 40552a848eSStefano Babic if (displays[i].enable) 41552a848eSStefano Babic displays[i].enable(displays + i); 42552a848eSStefano Babic 43552a848eSStefano Babic printf("Display: %s (%ux%u)\n", 44552a848eSStefano Babic displays[i].mode.name, 45552a848eSStefano Babic displays[i].mode.xres, 46552a848eSStefano Babic displays[i].mode.yres); 47552a848eSStefano Babic } else 48552a848eSStefano Babic printf("LCD %s cannot be configured: %d\n", 49552a848eSStefano Babic displays[i].mode.name, ret); 50552a848eSStefano Babic } else { 51552a848eSStefano Babic printf("unsupported panel %s\n", panel); 52552a848eSStefano Babic return -EINVAL; 53552a848eSStefano Babic } 54552a848eSStefano Babic 55552a848eSStefano Babic return 0; 56552a848eSStefano Babic } 57552a848eSStefano Babic 58552a848eSStefano Babic #ifdef CONFIG_IMX_HDMI 59552a848eSStefano Babic #include <asm/arch/mxc_hdmi.h> 60552a848eSStefano Babic #include <asm/io.h> 61552a848eSStefano Babic int detect_hdmi(struct display_info_t const *dev) 62552a848eSStefano Babic { 63552a848eSStefano Babic struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; 64552a848eSStefano Babic return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT; 65552a848eSStefano Babic } 66552a848eSStefano Babic #endif 67