38 lines
1.3 KiB
Ada
38 lines
1.3 KiB
Ada
--
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-- Copyright (C) 2015-2016 secunet Security Networks AG
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 2 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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with HW.GFX.GMA.Config;
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private package HW.GFX.GMA.PCH is
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type FDI_Port_Type is (FDI_A, FDI_B, FDI_C);
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----------------------------------------------------------------------------
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-- common to all PCH outputs
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function PCH_TRANSCODER_SELECT_SHIFT return Natural is
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(if Config.Has_New_FDI_Sink then 29 else 30);
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function PCH_TRANSCODER_SELECT_MASK return Word32 is
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(if Config.Has_New_FDI_Sink then 3 * 2 ** 29 else 1 * 2 ** 30);
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function PCH_TRANSCODER_SELECT (Port : FDI_Port_Type) return Word32 is
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(case Port is
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when FDI_A => Shift_Left (0, PCH_TRANSCODER_SELECT_SHIFT),
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when FDI_B => Shift_Left (1, PCH_TRANSCODER_SELECT_SHIFT),
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when FDI_C => Shift_Left (2, PCH_TRANSCODER_SELECT_SHIFT));
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end HW.GFX.GMA.PCH;
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