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Diffstat (limited to 'board')
-rw-r--r--board/gateworks/gw_ventana/gw_ventana.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 50a2a9a..e6da3d5 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -1580,6 +1580,42 @@ int misc_init_r(void)
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+static int ft_sethdmiinfmt(void *blob, char *mode)
+{
+ int off;
+
+ if (!mode)
+ return -EINVAL;
+
+ off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x");
+ if (off < 0)
+ return off;
+
+ if (0 == strcasecmp(mode, "yuv422bt656")) {
+ u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00,
+ 0x00, 0x00, 0x00 };
+ mode = "422_ccir";
+ fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
+ fdt_setprop_u32(blob, off, "vidout_trc", 1);
+ fdt_setprop_u32(blob, off, "vidout_blc", 1);
+ fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
+ printf(" set HDMI input mode to %s\n", mode);
+ } else if (0 == strcasecmp(mode, "yuv422smp")) {
+ u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00,
+ 0x82, 0x81, 0x00 };
+ mode = "422_smp";
+ fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
+ fdt_setprop_u32(blob, off, "vidout_trc", 0);
+ fdt_setprop_u32(blob, off, "vidout_blc", 0);
+ fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
+ printf(" set HDMI input mode to %s\n", mode);
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/*
* called prior to booting kernel or by 'fdt boardsetup' command
*
@@ -1640,6 +1676,9 @@ int ft_board_setup(void *blob, bd_t *bd)
fdt_setprop(blob, 0, "board", info->model,
strlen((const char *)info->model) + 1);
+ /* set desired digital video capture format */
+ ft_sethdmiinfmt(blob, getenv("hdmiinfmt"));
+
/*
* disable serial2 node for GW54xx for compatibility with older
* 3.10.x kernel that improperly had this node enabled in the DT