| 1 | /* |
| 2 | * dpcd.h |
| 3 | * |
| 4 | * Copyright (C)2015 : GreenSocs Ltd |
| 5 | * http://www.greensocs.com/ , email: info@greensocs.com |
| 6 | * |
| 7 | * Developed by : |
| 8 | * Frederic Konrad <fred.konrad@greensocs.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation, either version 2 of the License, or |
| 13 | * (at your option)any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along |
| 21 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifndef DPCD_H |
| 26 | #define DPCD_H |
| 27 | #include "qom/object.h" |
| 28 | |
| 29 | |
| 30 | #define TYPE_DPCD "dpcd" |
| 31 | OBJECT_DECLARE_SIMPLE_TYPE(DPCDState, DPCD) |
| 32 | |
| 33 | /* DCPD Revision. */ |
| 34 | #define DPCD_REVISION 0x00 |
| 35 | #define DPCD_REV_1_0 0x10 |
| 36 | #define DPCD_REV_1_1 0x11 |
| 37 | |
| 38 | /* DCPD Max Link Rate. */ |
| 39 | #define DPCD_MAX_LINK_RATE 0x01 |
| 40 | #define DPCD_1_62GBPS 0x06 |
| 41 | #define DPCD_2_7GBPS 0x0A |
| 42 | #define DPCD_5_4GBPS 0x14 |
| 43 | |
| 44 | #define DPCD_MAX_LANE_COUNT 0x02 |
| 45 | #define DPCD_ONE_LANE 0x01 |
| 46 | #define DPCD_TWO_LANES 0x02 |
| 47 | #define DPCD_FOUR_LANES 0x04 |
| 48 | |
| 49 | /* DCPD Max down spread. */ |
| 50 | #define DPCD_UP_TO_0_5 0x01 |
| 51 | #define DPCD_NO_AUX_HANDSHAKE_LINK_TRAINING 0x40 |
| 52 | |
| 53 | /* DCPD Downstream port type. */ |
| 54 | #define DPCD_DISPLAY_PORT 0x00 |
| 55 | #define DPCD_ANALOG 0x02 |
| 56 | #define DPCD_DVI_HDMI 0x04 |
| 57 | #define DPCD_OTHER 0x06 |
| 58 | |
| 59 | /* DPCD Format conversion. */ |
| 60 | #define DPCD_FORMAT_CONVERSION 0x08 |
| 61 | |
| 62 | /* Main link channel coding. */ |
| 63 | #define DPCD_ANSI_8B_10B 0x01 |
| 64 | |
| 65 | /* Down stream port count. */ |
| 66 | #define DPCD_OUI_SUPPORTED 0x80 |
| 67 | |
| 68 | /* Receiver port capability. */ |
| 69 | #define DPCD_RECEIVE_PORT0_CAP_0 0x08 |
| 70 | #define DPCD_RECEIVE_PORT0_CAP_1 0x09 |
| 71 | #define DPCD_EDID_PRESENT 0x02 |
| 72 | #define DPCD_ASSOCIATED_TO_PRECEDING_PORT 0x04 |
| 73 | |
| 74 | /* Down stream port capability. */ |
| 75 | #define DPCD_CAP_DISPLAY_PORT 0x000 |
| 76 | #define DPCD_CAP_ANALOG_VGA 0x001 |
| 77 | #define DPCD_CAP_DVI 0x002 |
| 78 | #define DPCD_CAP_HDMI 0x003 |
| 79 | #define DPCD_CAP_OTHER 0x100 |
| 80 | |
| 81 | #define DPCD_LANE0_1_STATUS 0x202 |
| 82 | #define DPCD_LANE0_CR_DONE (1 << 0) |
| 83 | #define DPCD_LANE0_CHANNEL_EQ_DONE (1 << 1) |
| 84 | #define DPCD_LANE0_SYMBOL_LOCKED (1 << 2) |
| 85 | #define DPCD_LANE1_CR_DONE (1 << 4) |
| 86 | #define DPCD_LANE1_CHANNEL_EQ_DONE (1 << 5) |
| 87 | #define DPCD_LANE1_SYMBOL_LOCKED (1 << 6) |
| 88 | |
| 89 | #define DPCD_LANE2_3_STATUS 0x203 |
| 90 | #define DPCD_LANE2_CR_DONE (1 << 0) |
| 91 | #define DPCD_LANE2_CHANNEL_EQ_DONE (1 << 1) |
| 92 | #define DPCD_LANE2_SYMBOL_LOCKED (1 << 2) |
| 93 | #define DPCD_LANE3_CR_DONE (1 << 4) |
| 94 | #define DPCD_LANE3_CHANNEL_EQ_DONE (1 << 5) |
| 95 | #define DPCD_LANE3_SYMBOL_LOCKED (1 << 6) |
| 96 | |
| 97 | #define DPCD_LANE_ALIGN_STATUS_UPDATED 0x204 |
| 98 | #define DPCD_INTERLANE_ALIGN_DONE 0x01 |
| 99 | #define DPCD_DOWNSTREAM_PORT_STATUS_CHANGED 0x40 |
| 100 | #define DPCD_LINK_STATUS_UPDATED 0x80 |
| 101 | |
| 102 | #define DPCD_SINK_STATUS 0x205 |
| 103 | #define DPCD_RECEIVE_PORT_0_STATUS 0x01 |
| 104 | |
| 105 | #endif /* DPCD_H */ |