| Nico Huber | 83693c8 | 2016-10-08 22:17:55 +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; version 2 of the License. |
| 7 | -- |
| 8 | -- This program is distributed in the hope that it will be useful, |
| 9 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | -- GNU General Public License for more details. |
| 12 | -- |
| 13 | |
| 14 | with HW.GFX.GMA.Registers; |
| 15 | |
| 16 | with HW.Debug; |
| 17 | with GNAT.Source_Info; |
| 18 | |
| 19 | package body HW.GFX.GMA.PCH.HDMI |
| 20 | is |
| 21 | |
| 22 | PCH_HDMI_ENABLE : constant := 1 * 2 ** 31; |
| 23 | PCH_HDMI_COLOR_FORMAT_8BPC : constant := 0 * 2 ** 26; |
| 24 | PCH_HDMI_COLOR_FORMAT_12BPC : constant := 3 * 2 ** 26; |
| 25 | PCH_HDMI_COLOR_FORMAT_MASK : constant := 7 * 2 ** 26; |
| 26 | PCH_HDMI_SDVO_ENCODING_SDVO : constant := 0 * 2 ** 10; |
| 27 | PCH_HDMI_SDVO_ENCODING_HDMI : constant := 2 * 2 ** 10; |
| 28 | PCH_HDMI_SDVO_ENCODING_MASK : constant := 3 * 2 ** 10; |
| 29 | PCH_HDMI_VSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 4; |
| 30 | PCH_HDMI_HSYNC_ACTIVE_HIGH : constant := 1 * 2 ** 3; |
| 31 | PCH_HDMI_PORT_DETECT : constant := 1 * 2 ** 2; |
| 32 | |
| 33 | PCH_HDMI_MASK : constant Word32 := |
| 34 | PCH_TRANSCODER_SELECT_MASK or |
| 35 | PCH_HDMI_ENABLE or |
| 36 | PCH_HDMI_COLOR_FORMAT_MASK or |
| 37 | PCH_HDMI_SDVO_ENCODING_MASK or |
| 38 | PCH_HDMI_HSYNC_ACTIVE_HIGH or |
| 39 | PCH_HDMI_VSYNC_ACTIVE_HIGH; |
| 40 | |
| 41 | type PCH_HDMI_Array is array (PCH_HDMI_Port) of Registers.Registers_Index; |
| 42 | PCH_HDMI : constant PCH_HDMI_Array := PCH_HDMI_Array' |
| 43 | (PCH_HDMI_B => Registers.PCH_HDMIB, |
| 44 | PCH_HDMI_C => Registers.PCH_HDMIC, |
| 45 | PCH_HDMI_D => Registers.PCH_HDMID); |
| 46 | |
| 47 | ---------------------------------------------------------------------------- |
| 48 | |
| 49 | procedure On (Port_Cfg : Port_Config; FDI_Port : FDI_Port_Type) |
| 50 | is |
| 51 | Polarity : constant Word32 := |
| 52 | (if Port_Cfg.Mode.H_Sync_Active_High then |
| 53 | PCH_HDMI_HSYNC_ACTIVE_HIGH else 0) or |
| 54 | (if Port_Cfg.Mode.V_Sync_Active_High then |
| 55 | PCH_HDMI_VSYNC_ACTIVE_HIGH else 0); |
| 56 | begin |
| 57 | pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity)); |
| 58 | |
| 59 | -- registers are just sufficient for setup with DVI adaptor |
| 60 | |
| 61 | Registers.Unset_And_Set_Mask |
| 62 | (Register => PCH_HDMI (Port_Cfg.PCH_Port), |
| 63 | Mask_Unset => PCH_HDMI_MASK, |
| 64 | Mask_Set => PCH_HDMI_ENABLE or |
| 65 | PCH_TRANSCODER_SELECT (FDI_Port) or |
| 66 | PCH_HDMI_SDVO_ENCODING_HDMI or |
| 67 | Polarity); |
| 68 | end On; |
| 69 | |
| 70 | ---------------------------------------------------------------------------- |
| 71 | |
| 72 | procedure Off (Port : PCH_HDMI_Port) |
| 73 | is |
| 74 | begin |
| 75 | pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity)); |
| 76 | |
| 77 | Registers.Unset_And_Set_Mask |
| 78 | (Register => PCH_HDMI (Port), |
| 79 | Mask_Unset => PCH_HDMI_MASK, |
| 80 | Mask_Set => PCH_HDMI_HSYNC_ACTIVE_HIGH or |
| 81 | PCH_HDMI_VSYNC_ACTIVE_HIGH); |
| 82 | end Off; |
| 83 | |
| 84 | procedure All_Off |
| 85 | is |
| 86 | begin |
| 87 | pragma Debug (Debug.Put_Line (GNAT.Source_Info.Enclosing_Entity)); |
| 88 | |
| 89 | for Port in PCH_HDMI_Port loop |
| 90 | Off (Port); |
| 91 | end loop; |
| 92 | end All_Off; |
| 93 | |
| 94 | end HW.GFX.GMA.PCH.HDMI; |