43 lines
1.2 KiB
Ada
43 lines
1.2 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; version 2 of the License.
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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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private package HW.GFX.GMA.PLLs
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with
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Abstract_State => (State with Part_Of => GMA.State)
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is
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-- NOTE: Order of DPLLs is twisted, as DPLL2 (WRPLL1)
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-- should be selected as last choice.
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-- XXX: Types should be private (but that triggers a bug in SPARK GPL 2016)
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type T is (Invalid_PLL, DPLL0, DPLL1, DPLL3, DPLL2);
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subtype Configurable_DPLLs is T range DPLL1 .. DPLL2;
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Invalid : constant T := Invalid_PLL;
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procedure Initialize
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with
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Global => (Output => State);
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procedure Alloc
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(Port_Cfg : in Port_Config;
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PLL : out T;
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Success : out Boolean);
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procedure Free (PLL : T);
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procedure All_Off;
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function Register_Value (PLL : T) return Word32;
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end HW.GFX.GMA.PLLs;
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