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This adds video output support for Amlogic GXBB/GXL/GXM chips. The supported ports are CVBS and HDMI (based on DW_HDMI). When using HDMI, only DMT modes are supported. There is support for simple-framebuffer (CONFIG_VIDEO_DT_SIMPLEFB) Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Jorge Ramire-Ortiz <jramirez@baylibre.com> Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com> [narmstrong: fixed defines alignment in meson_canvas.c] Reviewed-by: Anatolij Gustschin <agust@denx.de>
29 lines
786 B
C
29 lines
786 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Common code for Amlogic SimpleFB with pipeline.
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*
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* (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
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* (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
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* (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
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*/
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#include <fdtdec.h>
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int meson_simplefb_fdt_match(void *blob, const char *pipeline)
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{
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int offset, ret;
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/* Find a prefilled simpefb node, matching out pipeline config */
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offset = fdt_node_offset_by_compatible(blob, -1,
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"amlogic,simple-framebuffer");
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while (offset >= 0) {
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ret = fdt_stringlist_search(blob, offset, "amlogic,pipeline",
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pipeline);
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if (ret == 0)
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break;
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offset = fdt_node_offset_by_compatible(blob, offset,
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"amlogic,simple-framebuffer");
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}
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return offset;
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}
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