77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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#include <common.h>
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#include <env.h>
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#include <linux/errno.h>
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#include <asm/mach-imx/video.h>
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#ifdef CONFIG_IMX_HDMI
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#include <asm/arch/mxc_hdmi.h>
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#include <asm/io.h>
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int detect_hdmi(struct display_info_t const *dev)
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{
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struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
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return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
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}
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#endif
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int board_video_skip(void)
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{
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int i;
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int ret = 0;
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char const *panel = env_get("panel");
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if (!panel) {
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for (i = 0; i < display_count; i++) {
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struct display_info_t const *dev = displays+i;
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if (dev->detect && dev->detect(dev)) {
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panel = dev->mode.name;
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printf("auto-detected panel %s\n", panel);
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break;
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}
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}
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if (!panel) {
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panel = displays[0].mode.name;
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printf("No panel detected: default to %s\n", panel);
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i = 0;
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}
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} else {
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for (i = 0; i < display_count; i++) {
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if (!strcmp(panel, displays[i].mode.name))
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break;
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}
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}
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if (i < display_count) {
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ret = ipuv3_fb_init(&displays[i].mode, displays[i].di ? 1 : 0,
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displays[i].pixfmt);
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if (!ret) {
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if (displays[i].enable)
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displays[i].enable(displays + i);
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printf("Display: %s (%ux%u)\n",
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displays[i].mode.name,
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displays[i].mode.xres,
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displays[i].mode.yres);
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#ifdef CONFIG_IMX_HDMI
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if (!strcmp(displays[i].mode.name, "HDMI"))
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imx_enable_hdmi_phy();
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#endif
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} else
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printf("LCD %s cannot be configured: %d\n",
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displays[i].mode.name, ret);
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} else {
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printf("unsupported panel %s\n", panel);
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return -EINVAL;
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}
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return ret;
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}
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int ipu_displays_init(void)
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{
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return board_video_skip();
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}
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