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+/*
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+ * Copyright 2012 Red Hat Inc.
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ *
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+ * Authors: Ben Skeggs
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+ */
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+
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+#include <core/os.h>
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+#include <core/class.h>
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+
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+#include <subdev/bios.h>
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+#include <subdev/bios/dcb.h>
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+#include <subdev/bios/dp.h>
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+#include <subdev/bios/init.h>
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+
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+#include "nv50.h"
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+
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+int
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+nvd0_hda_eld(struct nv50_disp_priv *priv, int or, u8 *data, u32 size)
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+{
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+ const u32 soff = (or * 0x030);
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+ int i;
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+
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+ if (data && data[0]) {
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+ for (i = 0; i < size; i++)
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+ nv_wr32(priv, 0x10ec00 + soff, (i << 8) | data[i]);
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+ nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000003);
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+ } else
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+ if (data) {
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+ nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000001);
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+ } else {
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+ nv_mask(priv, 0x10ec10 + soff, 0x80000003, 0x80000000);
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+ }
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+
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+ return 0;
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+}
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