| Arthur Heymans | 73ea032 | 2018-03-28 17:17:07 +0200 | [diff] [blame] | 1 | -- |
| 2 | -- Copyright (C) 2015-2016 secunet Security Networks AG |
| 3 | -- |
| 4 | -- This program is free software; you can redistribute it and/or modify |
| 5 | -- it under the terms of the GNU General Public License as published by |
| 6 | -- the Free Software Foundation; either version 2 of the License, or |
| 7 | -- (at your option) any later version. |
| 8 | -- |
| 9 | -- This program is distributed in the hope that it will be useful, |
| 10 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | -- GNU General Public License for more details. |
| 13 | -- |
| 14 | |
| 15 | with HW.GFX.GMA.Registers; |
| 16 | |
| 17 | with HW.Debug; |
| 18 | with GNAT.Source_Info; |
| 19 | |
| 20 | package body HW.GFX.GMA.GMCH.HDMI |
| 21 | is |
| 22 | |
| 23 | GMCH_HDMI_ENABLE : constant := 1 * 2 ** 31; |
| 24 | GMCH_HDMI_COLOR_FORMAT_8BPC : constant := 0 * 2 ** 26; |
| 25 | GMCH_HDMI_COLOR_FORMAT_12BPC : constant := 3 * 2 ** 26; |
| 26 | GMCH_HDMI_COLOR_FORMAT_MASK : constant := 7 * 2 ** 26; |
| 27 | GMCH_HDMI_SDVO_ENCODING_SDVO : constant := 0 * 2 ** 10; |
| 28 | GMCH_HDMI_SDVO_ENCODING_HDMI : constant := 2 * 2 ** 10; |
| 29 | GMCH_HDMI_SDVO_ENCODING_MASK : constant := 3 * 2 ** 10; |
| 30 | GMCH_HDMI_MODE_SELECT_HDMI : constant := 1 * 2 ** 9; |
| 31 | GMCH_HDMI_MODE_SELECT_DVI : constant := 0 * 2 ** 9; |
| 32 | GMCH_HDMI_VSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 4; |
| 33 | GMCH_HDMI_HSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 3; |
| 34 | GMCH_HDMI_PORT_DETECT : constant := 1 * 2 ** 2; |
| 35 | |
| 36 | GMCH_HDMI_MASK : constant Word32 := |
| 37 | GMCH_PORT_PIPE_SELECT_MASK or |
| 38 | GMCH_HDMI_ENABLE or |
| 39 | GMCH_HDMI_COLOR_FORMAT_MASK or |
| 40 | GMCH_HDMI_SDVO_ENCODING_MASK or |
| 41 | GMCH_HDMI_MODE_SELECT_HDMI or |
| 42 | GMCH_HDMI_HSYNC_ACTIVE_HIGH or |
| 43 | GMCH_HDMI_VSYNC_ACTIVE_HIGH; |
| 44 | |
| 45 | type GMCH_HDMI_Array is array (GMCH_HDMI_Port) of Registers.Registers_Index; |
| 46 | GMCH_HDMI : constant GMCH_HDMI_Array := GMCH_HDMI_Array' |
| 47 | (DIGI_B => Registers.GMCH_HDMIB, |
| 48 | DIGI_C => Registers.GMCH_HDMIC); |
| 49 | |
| 50 | ---------------------------------------------------------------------------- |
| 51 | |
| 52 | procedure On (Port_Cfg : in Port_Config; |
| 53 | Pipe : in Pipe_Index) |
| 54 | is |
| 55 | Polarity : constant Word32 := |
| 56 | (if Port_Cfg.Mode.H_Sync_Active_High then |
| 57 | GMCH_HDMI_HSYNC_ACTIVE_HIGH else 0) or |
| 58 | (if Port_Cfg.Mode.V_Sync_Active_High then |
| 59 | GMCH_HDMI_VSYNC_ACTIVE_HIGH else 0); |
| 60 | begin |
| 61 | pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity)); |
| 62 | |
| 63 | Registers.Unset_And_Set_Mask |
| 64 | (Register => GMCH_HDMI (Port_Cfg.Port), |
| 65 | Mask_Unset => GMCH_HDMI_MASK, |
| 66 | Mask_Set => GMCH_HDMI_ENABLE or |
| 67 | GMCH_PORT_PIPE_SELECT (Pipe) or |
| 68 | GMCH_HDMI_SDVO_ENCODING_HDMI or |
| 69 | GMCH_HDMI_MODE_SELECT_HDMI or |
| 70 | Polarity); |
| 71 | end On; |
| 72 | |
| 73 | ---------------------------------------------------------------------------- |
| 74 | |
| 75 | procedure Off (Port : GMCH_HDMI_Port) |
| 76 | is |
| 77 | begin |
| 78 | pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity)); |
| 79 | |
| 80 | Registers.Unset_And_Set_Mask |
| 81 | (Register => GMCH_HDMI (Port), |
| 82 | Mask_Unset => GMCH_HDMI_MASK, |
| 83 | Mask_Set => GMCH_HDMI_HSYNC_ACTIVE_HIGH or |
| 84 | GMCH_HDMI_VSYNC_ACTIVE_HIGH); |
| 85 | end Off; |
| 86 | |
| 87 | procedure All_Off |
| 88 | is |
| 89 | begin |
| 90 | pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity)); |
| 91 | |
| 92 | for Port in GMCH_HDMI_Port loop |
| 93 | Off (Port); |
| 94 | end loop; |
| 95 | end All_Off; |
| 96 | |
| 97 | end HW.GFX.GMA.GMCH.HDMI; |