libgfxinit/common/ironlake/hw-gfx-gma-plls.ads

40 lines
1.1 KiB
Ada

--
-- Copyright (C) 2015-2016 secunet Security Networks AG
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
private package HW.GFX.GMA.PLLs
with
Abstract_State => (State with Part_Of => GMA.State)
is
-- XXX: Types should be private (but that triggers a bug in SPARK GPL 2016)
type T is (Invalid_PLL, DPLL_A, DPLL_B);
subtype DPLLs is T range DPLL_A .. DPLL_B;
Invalid : constant T := Invalid_PLL;
procedure Initialize
with
Global => (Output => State);
procedure Alloc
(Port_Cfg : in Port_Config;
PLL : out T;
Success : out Boolean);
procedure Free (PLL : T);
procedure All_Off;
function Register_Value (PLL : T) return Word32;
end HW.GFX.GMA.PLLs;