diff options
author | Tom Rini <trini@ti.com> | 2014-05-22 14:29:41 -0400 |
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committer | Tom Rini <trini@ti.com> | 2014-05-22 14:29:41 -0400 |
commit | f6ed9d50949eb290744bf7606e30763582e2d44b (patch) | |
tree | 659cd954a4b4075c7227ea6d1d6ec768b0a2d78a /arch/arm/imx-common/video.c | |
parent | 8e3812859670fda61b98458864fa9f014fcd3dcc (diff) | |
parent | 05d134b084590684bcf4d832c0035952727b7cd9 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'arch/arm/imx-common/video.c')
-rw-r--r-- | arch/arm/imx-common/video.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/imx-common/video.c b/arch/arm/imx-common/video.c new file mode 100644 index 0000000000..0121cd78f2 --- /dev/null +++ b/arch/arm/imx-common/video.c @@ -0,0 +1,65 @@ +/* + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/errno.h> +#include <asm/imx-common/video.h> + +extern struct display_info_t const displays[]; +extern size_t display_count; + +int board_video_skip(void) +{ + int i; + int ret; + char const *panel = getenv("panel"); + if (!panel) { + for (i = 0; i < display_count; i++) { + struct display_info_t const *dev = displays+i; + if (dev->detect && dev->detect(dev)) { + panel = dev->mode.name; + printf("auto-detected panel %s\n", panel); + break; + } + } + if (!panel) { + panel = displays[0].mode.name; + printf("No panel detected: default to %s\n", panel); + i = 0; + } + } else { + for (i = 0; i < display_count; i++) { + if (!strcmp(panel, displays[i].mode.name)) + break; + } + } + if (i < display_count) { + ret = ipuv3_fb_init(&displays[i].mode, 0, + displays[i].pixfmt); + if (!ret) { + displays[i].enable(displays+i); + printf("Display: %s (%ux%u)\n", + displays[i].mode.name, + displays[i].mode.xres, + displays[i].mode.yres); + } else + printf("LCD %s cannot be configured: %d\n", + displays[i].mode.name, ret); + } else { + printf("unsupported panel %s\n", panel); + return -EINVAL; + } + + return 0; +} + +#ifdef CONFIG_IMX_HDMI +#include <asm/arch/mxc_hdmi.h> +#include <asm/io.h> +int detect_hdmi(struct display_info_t const *dev) +{ + struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; + return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT; +} +#endif |